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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:09:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:09:30 +0000
commit81749f1fe87e489c4e2e7408a0fae9370c3810b3 (patch)
tree2d1345a5762855b6577495d90ac134c4e92d7ff8 /src
parentInitial commit. (diff)
downloadlibseccomp-81749f1fe87e489c4e2e7408a0fae9370c3810b3.tar.xz
libseccomp-81749f1fe87e489c4e2e7408a0fae9370c3810b3.zip
Adding upstream version 2.5.5.upstream/2.5.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src')
-rw-r--r--src/Makefile.am77
-rw-r--r--src/Makefile.in1387
-rw-r--r--src/api.c733
-rw-r--r--src/arch-aarch64.c41
-rw-r--r--src/arch-aarch64.h29
-rw-r--r--src/arch-arm.c95
-rw-r--r--src/arch-arm.h29
-rwxr-xr-xsrc/arch-gperf-generate40
-rw-r--r--src/arch-mips.c108
-rw-r--r--src/arch-mips.h31
-rw-r--r--src/arch-mips64.c100
-rw-r--r--src/arch-mips64.h31
-rw-r--r--src/arch-mips64n32.c102
-rw-r--r--src/arch-mips64n32.h31
-rw-r--r--src/arch-parisc.c25
-rw-r--r--src/arch-parisc.h29
-rw-r--r--src/arch-parisc64.c25
-rw-r--r--src/arch-parisc64.h29
-rw-r--r--src/arch-ppc.c52
-rw-r--r--src/arch-ppc.h30
-rw-r--r--src/arch-ppc64.c67
-rw-r--r--src/arch-ppc64.h31
-rw-r--r--src/arch-riscv64.c34
-rw-r--r--src/arch-riscv64.h22
-rw-r--r--src/arch-s390.c35
-rw-r--r--src/arch-s390.h13
-rw-r--r--src/arch-s390x.c35
-rw-r--r--src/arch-s390x.h13
-rwxr-xr-xsrc/arch-syscall-check60
-rw-r--r--src/arch-syscall-dump.c162
-rwxr-xr-xsrc/arch-syscall-validate867
-rw-r--r--src/arch-x32.c86
-rw-r--r--src/arch-x32.h31
-rw-r--r--src/arch-x86.c51
-rw-r--r--src/arch-x86.h29
-rw-r--r--src/arch-x86_64.c41
-rw-r--r--src/arch-x86_64.h29
-rw-r--r--src/arch.c450
-rw-r--r--src/arch.h122
-rw-r--r--src/db.c2620
-rw-r--r--src/db.h217
-rw-r--r--src/gen_bpf.c2345
-rw-r--r--src/gen_bpf.h43
-rw-r--r--src/gen_pfc.c507
-rw-r--r--src/gen_pfc.h29
-rw-r--r--src/hash.c90
-rw-r--r--src/hash.h16
-rw-r--r--src/helper.c49
-rw-r--r--src/helper.h27
-rw-r--r--src/python/Makefile.am52
-rw-r--r--src/python/Makefile.in519
-rw-r--r--src/python/libseccomp.pxd172
-rw-r--r--src/python/seccomp.pyx1048
-rwxr-xr-xsrc/python/setup.py48
-rw-r--r--src/syscalls.c551
-rw-r--r--src/syscalls.csv488
-rw-r--r--src/syscalls.h70
-rw-r--r--src/syscalls.perf568
-rw-r--r--src/syscalls.perf.c3640
-rw-r--r--src/syscalls.perf.template82
-rw-r--r--src/system.c554
-rw-r--r--src/system.h207
62 files changed, 19144 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
new file mode 100644
index 0000000..1e5c092
--- /dev/null
+++ b/src/Makefile.am
@@ -0,0 +1,77 @@
+####
+# Seccomp Library Source Files
+#
+
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of version 2.1 of the GNU Lesser General Public License
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, see <http://www.gnu.org/licenses>.
+#
+
+SUBDIRS = .
+if ENABLE_PYTHON
+SUBDIRS += python
+endif
+
+SOURCES_ALL = \
+ api.c system.h system.c helper.h helper.c \
+ gen_pfc.h gen_pfc.c gen_bpf.h gen_bpf.c \
+ hash.h hash.c \
+ db.h db.c \
+ arch.c arch.h \
+ arch-x86.h arch-x86.c \
+ arch-x86_64.h arch-x86_64.c \
+ arch-x32.h arch-x32.c \
+ arch-arm.h arch-arm.c \
+ arch-aarch64.h arch-aarch64.c \
+ arch-mips.h arch-mips.c \
+ arch-mips64.h arch-mips64.c \
+ arch-mips64n32.h arch-mips64n32.c \
+ arch-parisc.h arch-parisc.c \
+ arch-parisc64.h arch-parisc64.c \
+ arch-ppc.h arch-ppc.c \
+ arch-ppc64.h arch-ppc64.c \
+ arch-riscv64.h arch-riscv64.c \
+ arch-s390.h arch-s390.c \
+ arch-s390x.h arch-s390x.c \
+ syscalls.h syscalls.c syscalls.perf.c
+
+EXTRA_DIST = \
+ arch-syscall-validate arch-syscall-check \
+ arch-gperf-generate syscalls.csv syscalls.perf.template
+
+TESTS = arch-syscall-check
+
+check_PROGRAMS = arch-syscall-dump
+
+lib_LTLIBRARIES = libseccomp.la
+
+arch_syscall_dump_SOURCES = arch-syscall-dump.c ${SOURCES_ALL}
+
+libseccomp_la_SOURCES = ${SOURCES_ALL}
+libseccomp_la_CPPFLAGS = ${AM_CPPFLAGS} ${CODE_COVERAGE_CPPFLAGS}
+libseccomp_la_CFLAGS = ${AM_CFLAGS} ${CODE_COVERAGE_CFLAGS} ${CFLAGS} \
+ -fPIC -DPIC -fvisibility=hidden
+libseccomp_la_LDFLAGS = ${AM_LDFLAGS} ${CODE_COVERAGE_LDFLAGS} ${LDFLAGS} \
+ -version-number ${VERSION_MAJOR}:${VERSION_MINOR}:${VERSION_MICRO}
+
+EXTRA_DIST += syscalls.perf.c syscalls.perf
+CLEANFILES = syscalls.perf.c syscalls.perf
+
+syscalls.perf: syscalls.csv syscalls.perf.template
+ ${AM_V_GEN} ${srcdir}/arch-gperf-generate \
+ ${srcdir}/syscalls.csv ${srcdir}/syscalls.perf.template
+
+syscalls.perf.c: syscalls.perf
+ ${GPERF} -m 100 --null-strings --pic -tCEG -T -S1 $< > $@
+
+check-build:
+ ${MAKE} ${AM_MAKEFLAGS} ${check_PROGRAMS}
diff --git a/src/Makefile.in b/src/Makefile.in
new file mode 100644
index 0000000..fa6fe98
--- /dev/null
+++ b/src/Makefile.in
@@ -0,0 +1,1387 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+####
+# Seccomp Library Source Files
+#
+
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of version 2.1 of the GNU Lesser General Public License
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+# General Public License for more details.
+#
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+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/api.c b/src/api.c
new file mode 100644
index 0000000..5cec088
--- /dev/null
+++ b/src/api.c
@@ -0,0 +1,733 @@
+/**
+ * Seccomp Library API
+ *
+ * Copyright (c) 2012,2013 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <endian.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include <sys/ioctl.h>
+
+#include <seccomp.h>
+
+#include "arch.h"
+#include "db.h"
+#include "gen_pfc.h"
+#include "gen_bpf.h"
+#include "helper.h"
+#include "system.h"
+
+#define API __attribute__((visibility("default")))
+
+const struct scmp_version library_version = {
+ .major = SCMP_VER_MAJOR,
+ .minor = SCMP_VER_MINOR,
+ .micro = SCMP_VER_MICRO,
+};
+
+unsigned int seccomp_api_level = 0;
+
+/**
+ * Filter the error codes we send back to callers
+ * @param err the error code
+ *
+ * We consider error codes part of our API so we want to make sure we don't
+ * accidentally send an undocumented error code to our callers. This function
+ * helps with that.
+ *
+ */
+static int _rc_filter(int err)
+{
+ /* pass through success values */
+ if (err >= 0)
+ return err;
+
+ /* filter the error codes */
+ switch (err) {
+ case -EACCES:
+ /* NOTE: operation is not permitted by libseccomp */
+ case -ECANCELED:
+ /* NOTE: kernel level error that is beyond the control of
+ * libseccomp */
+ case -EDOM:
+ /* NOTE: failure due to arch/ABI */
+ case -EEXIST:
+ /* NOTE: operation failed due to existing rule or filter */
+ case -EINVAL:
+ /* NOTE: invalid input to the libseccomp API */
+ case -ENOENT:
+ /* NOTE: no matching entry found */
+ case -ENOMEM:
+ /* NOTE: unable to allocate enough memory to perform the
+ * requested operation */
+ case -EOPNOTSUPP:
+ /* NOTE: operation is not supported */
+ case -ESRCH:
+ /* NOTE: operation failed due to multi-threading */
+ return err;
+ default:
+ /* NOTE: this is the default "internal libseccomp error"
+ * error code, it is our catch-all */
+ return -EFAULT;
+ }
+}
+
+/**
+ * Filter the system error codes we send back to callers
+ * @param col the filter collection
+ * @param err the error code
+ *
+ * This is similar to _rc_filter(), but it first checks the filter attribute
+ * to determine if we should be filtering the return codes.
+ *
+ */
+static int _rc_filter_sys(struct db_filter_col *col, int err)
+{
+ /* pass through success values */
+ if (err >= 0)
+ return err;
+
+ /* pass the return code if the SCMP_FLTATR_API_SYSRAWRC is true */
+ if (db_col_attr_read(col, SCMP_FLTATR_API_SYSRAWRC))
+ return err;
+ return -ECANCELED;
+}
+
+/**
+ * Validate a filter context
+ * @param ctx the filter context
+ *
+ * Attempt to validate the provided filter context. Returns zero if the
+ * context is valid, negative values on failure.
+ *
+ */
+static int _ctx_valid(const scmp_filter_ctx *ctx)
+{
+ return db_col_valid((struct db_filter_col *)ctx);
+}
+
+/**
+ * Validate a syscall number
+ * @param syscall the syscall number
+ *
+ * Attempt to perform basic syscall number validation. Returns zero of the
+ * syscall appears valid, negative values on failure.
+ *
+ */
+static int _syscall_valid(const struct db_filter_col *col, int syscall)
+{
+ /* syscall -1 is used by tracers to skip the syscall */
+ if (col->attr.api_tskip && syscall == -1)
+ return 0;
+ if (syscall <= -1 && syscall >= -99)
+ return -EINVAL;
+ return 0;
+}
+
+/**
+ * Update the API level
+ *
+ * This function performs a series of tests to determine what functionality is
+ * supported given the current running environment (kernel, etc.). It is
+ * important to note that this function only does meaningful checks the first
+ * time it is run, the resulting API level is cached after this first run and
+ * used for all subsequent calls. The API level value is returned.
+ *
+ */
+static unsigned int _seccomp_api_update(void)
+{
+ unsigned int level = 1;
+
+ /* if seccomp_api_level > 0 then it's already been set, we're done */
+ if (seccomp_api_level >= 1)
+ return seccomp_api_level;
+
+ /* NOTE: level 1 is the base level, start checking at 2 */
+
+ if (sys_chk_seccomp_syscall() &&
+ sys_chk_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC) == 1)
+ level = 2;
+
+ if (level == 2 &&
+ sys_chk_seccomp_flag(SECCOMP_FILTER_FLAG_LOG) == 1 &&
+ sys_chk_seccomp_action(SCMP_ACT_LOG) == 1 &&
+ sys_chk_seccomp_action(SCMP_ACT_KILL_PROCESS) == 1)
+ level = 3;
+
+ if (level == 3 &&
+ sys_chk_seccomp_flag(SECCOMP_FILTER_FLAG_SPEC_ALLOW) == 1)
+ level = 4;
+
+ if (level == 4 &&
+ sys_chk_seccomp_flag(SECCOMP_FILTER_FLAG_NEW_LISTENER) == 1 &&
+ sys_chk_seccomp_action(SCMP_ACT_NOTIFY) == 1)
+ level = 5;
+
+ if (level == 5 &&
+ sys_chk_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC_ESRCH) == 1)
+ level = 6;
+
+ /* update the stored api level and return */
+ seccomp_api_level = level;
+ return seccomp_api_level;
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API const struct scmp_version *seccomp_version(void)
+{
+ return &library_version;
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API unsigned int seccomp_api_get(void)
+{
+ /* update the api level, if needed */
+ return _seccomp_api_update();
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_api_set(unsigned int level)
+{
+ switch (level) {
+ case 1:
+ sys_set_seccomp_syscall(false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC, false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_LOG, false);
+ sys_set_seccomp_action(SCMP_ACT_LOG, false);
+ sys_set_seccomp_action(SCMP_ACT_KILL_PROCESS, false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_SPEC_ALLOW, false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_NEW_LISTENER, false);
+ sys_set_seccomp_action(SCMP_ACT_NOTIFY, false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC_ESRCH, false);
+ break;
+ case 2:
+ sys_set_seccomp_syscall(true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_LOG, false);
+ sys_set_seccomp_action(SCMP_ACT_LOG, false);
+ sys_set_seccomp_action(SCMP_ACT_KILL_PROCESS, false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_SPEC_ALLOW, false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_NEW_LISTENER, false);
+ sys_set_seccomp_action(SCMP_ACT_NOTIFY, false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC_ESRCH, false);
+ break;
+ case 3:
+ sys_set_seccomp_syscall(true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_LOG, true);
+ sys_set_seccomp_action(SCMP_ACT_LOG, true);
+ sys_set_seccomp_action(SCMP_ACT_KILL_PROCESS, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_SPEC_ALLOW, false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_NEW_LISTENER, false);
+ sys_set_seccomp_action(SCMP_ACT_NOTIFY, false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC_ESRCH, false);
+ break;
+ case 4:
+ sys_set_seccomp_syscall(true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_LOG, true);
+ sys_set_seccomp_action(SCMP_ACT_LOG, true);
+ sys_set_seccomp_action(SCMP_ACT_KILL_PROCESS, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_SPEC_ALLOW, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_NEW_LISTENER, false);
+ sys_set_seccomp_action(SCMP_ACT_NOTIFY, false);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC_ESRCH, false);
+ break;
+ case 5:
+ sys_set_seccomp_syscall(true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_LOG, true);
+ sys_set_seccomp_action(SCMP_ACT_LOG, true);
+ sys_set_seccomp_action(SCMP_ACT_KILL_PROCESS, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_SPEC_ALLOW, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_NEW_LISTENER, true);
+ sys_set_seccomp_action(SCMP_ACT_NOTIFY, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC_ESRCH, false);
+ break;
+ case 6:
+ sys_set_seccomp_syscall(true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_LOG, true);
+ sys_set_seccomp_action(SCMP_ACT_LOG, true);
+ sys_set_seccomp_action(SCMP_ACT_KILL_PROCESS, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_SPEC_ALLOW, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_NEW_LISTENER, true);
+ sys_set_seccomp_action(SCMP_ACT_NOTIFY, true);
+ sys_set_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC_ESRCH, true);
+ break;
+ default:
+ return _rc_filter(-EINVAL);
+ }
+
+ seccomp_api_level = level;
+ return _rc_filter(0);
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API scmp_filter_ctx seccomp_init(uint32_t def_action)
+{
+ /* force a runtime api level detection */
+ _seccomp_api_update();
+
+ if (db_col_action_valid(NULL, def_action) < 0)
+ return NULL;
+
+ return db_col_init(def_action);
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_reset(scmp_filter_ctx ctx, uint32_t def_action)
+{
+ struct db_filter_col *col = (struct db_filter_col *)ctx;
+
+ /* a NULL filter context indicates we are resetting the global state */
+ if (ctx == NULL) {
+ /* reset the global state and redetermine the api level */
+ sys_reset_state();
+ _seccomp_api_update();
+ return _rc_filter(0);
+ }
+ /* ensure the default action is valid */
+ if (db_col_action_valid(NULL, def_action) < 0)
+ return _rc_filter(-EINVAL);
+
+ /* reset the filter */
+ return _rc_filter(db_col_reset(col, def_action));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API void seccomp_release(scmp_filter_ctx ctx)
+{
+ db_col_release((struct db_filter_col *)ctx);
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_merge(scmp_filter_ctx ctx_dst, scmp_filter_ctx ctx_src)
+{
+ struct db_filter_col *col_dst = (struct db_filter_col *)ctx_dst;
+ struct db_filter_col *col_src = (struct db_filter_col *)ctx_src;
+
+ if (db_col_valid(col_dst) || db_col_valid(col_src))
+ return _rc_filter(-EINVAL);
+
+ /* NOTE: only the default action, NNP, and TSYNC settings must match */
+ if ((col_dst->attr.act_default != col_src->attr.act_default) ||
+ (col_dst->attr.nnp_enable != col_src->attr.nnp_enable) ||
+ (col_dst->attr.tsync_enable != col_src->attr.tsync_enable))
+ return _rc_filter(-EINVAL);
+
+ return _rc_filter(db_col_merge(col_dst, col_src));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API uint32_t seccomp_arch_resolve_name(const char *arch_name)
+{
+ const struct arch_def *arch;
+
+ if (arch_name == NULL)
+ return 0;
+
+ arch = arch_def_lookup_name(arch_name);
+ if (arch == NULL)
+ return 0;
+
+ return arch->token;
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API uint32_t seccomp_arch_native(void)
+{
+ return arch_def_native->token;
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_arch_exist(const scmp_filter_ctx ctx, uint32_t arch_token)
+{
+ struct db_filter_col *col = (struct db_filter_col *)ctx;
+
+ if (arch_token == 0)
+ arch_token = arch_def_native->token;
+
+ if (arch_valid(arch_token))
+ return _rc_filter(-EINVAL);
+
+ return _rc_filter((db_col_arch_exist(col, arch_token) ? 0 : -EEXIST));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_arch_add(scmp_filter_ctx ctx, uint32_t arch_token)
+{
+ const struct arch_def *arch;
+ struct db_filter_col *col = (struct db_filter_col *)ctx;
+
+ if (arch_token == 0)
+ arch_token = arch_def_native->token;
+
+ arch = arch_def_lookup(arch_token);
+ if (arch == NULL)
+ return _rc_filter(-EINVAL);
+ if (db_col_arch_exist(col, arch_token))
+ return _rc_filter(-EEXIST);
+
+ return _rc_filter(db_col_db_new(col, arch));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_arch_remove(scmp_filter_ctx ctx, uint32_t arch_token)
+{
+ struct db_filter_col *col = (struct db_filter_col *)ctx;
+
+ if (arch_token == 0)
+ arch_token = arch_def_native->token;
+
+ if (arch_valid(arch_token))
+ return _rc_filter(-EINVAL);
+ if (db_col_arch_exist(col, arch_token) != -EEXIST)
+ return _rc_filter(-EEXIST);
+
+ return _rc_filter(db_col_db_remove(col, arch_token));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_load(const scmp_filter_ctx ctx)
+{
+ struct db_filter_col *col;
+ bool rawrc;
+
+ if (_ctx_valid(ctx))
+ return _rc_filter(-EINVAL);
+ col = (struct db_filter_col *)ctx;
+
+ rawrc = db_col_attr_read(col, SCMP_FLTATR_API_SYSRAWRC);
+ return _rc_filter(sys_filter_load(col, rawrc));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_attr_get(const scmp_filter_ctx ctx,
+ enum scmp_filter_attr attr, uint32_t *value)
+{
+ if (_ctx_valid(ctx))
+ return _rc_filter(-EINVAL);
+
+ return _rc_filter(db_col_attr_get((const struct db_filter_col *)ctx,
+ attr, value));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_attr_set(scmp_filter_ctx ctx,
+ enum scmp_filter_attr attr, uint32_t value)
+{
+ if (_ctx_valid(ctx))
+ return _rc_filter(-EINVAL);
+
+ return _rc_filter(db_col_attr_set((struct db_filter_col *)ctx,
+ attr, value));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API char *seccomp_syscall_resolve_num_arch(uint32_t arch_token, int num)
+{
+ const struct arch_def *arch;
+ const char *name;
+
+ if (arch_token == 0)
+ arch_token = arch_def_native->token;
+ if (arch_valid(arch_token))
+ return NULL;
+ arch = arch_def_lookup(arch_token);
+ if (arch == NULL)
+ return NULL;
+
+ name = arch_syscall_resolve_num(arch, num);
+ if (name == NULL)
+ return NULL;
+
+ return strdup(name);
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_syscall_resolve_name_arch(uint32_t arch_token, const char *name)
+{
+ const struct arch_def *arch;
+
+ if (name == NULL)
+ return __NR_SCMP_ERROR;
+
+ if (arch_token == 0)
+ arch_token = arch_def_native->token;
+ if (arch_valid(arch_token))
+ return __NR_SCMP_ERROR;
+ arch = arch_def_lookup(arch_token);
+ if (arch == NULL)
+ return __NR_SCMP_ERROR;
+
+ return arch_syscall_resolve_name(arch, name);
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_syscall_resolve_name_rewrite(uint32_t arch_token,
+ const char *name)
+{
+ int rc;
+ int syscall;
+ const struct arch_def *arch;
+
+ if (name == NULL)
+ return __NR_SCMP_ERROR;
+
+ if (arch_token == 0)
+ arch_token = arch_def_native->token;
+ if (arch_valid(arch_token))
+ return __NR_SCMP_ERROR;
+ arch = arch_def_lookup(arch_token);
+ if (arch == NULL)
+ return __NR_SCMP_ERROR;
+
+ syscall = arch_syscall_resolve_name(arch, name);
+ if (syscall == __NR_SCMP_ERROR)
+ return __NR_SCMP_ERROR;
+ rc = arch_syscall_rewrite(arch, &syscall);
+ if (rc == -EDOM)
+ /* if we can't rewrite the syscall, just pass it through */
+ return syscall;
+ else if (rc < 0)
+ return __NR_SCMP_ERROR;
+
+ return syscall;
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_syscall_resolve_name(const char *name)
+{
+ return seccomp_syscall_resolve_name_arch(SCMP_ARCH_NATIVE, name);
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_syscall_priority(scmp_filter_ctx ctx,
+ int syscall, uint8_t priority)
+{
+ struct db_filter_col *col = (struct db_filter_col *)ctx;
+
+ if (db_col_valid(col) || _syscall_valid(col, syscall))
+ return _rc_filter(-EINVAL);
+
+ return _rc_filter(db_col_syscall_priority(col, syscall, priority));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_rule_add_array(scmp_filter_ctx ctx,
+ uint32_t action, int syscall,
+ unsigned int arg_cnt,
+ const struct scmp_arg_cmp *arg_array)
+{
+ int rc;
+ struct db_filter_col *col = (struct db_filter_col *)ctx;
+
+ if (arg_cnt > ARG_COUNT_MAX)
+ return _rc_filter(-EINVAL);
+ if (arg_cnt > 0 && arg_array == NULL)
+ return _rc_filter(-EINVAL);
+
+ if (db_col_valid(col) || _syscall_valid(col, syscall))
+ return _rc_filter(-EINVAL);
+
+ rc = db_col_action_valid(col, action);
+ if (rc < 0)
+ return _rc_filter(rc);
+ if (action == col->attr.act_default)
+ return _rc_filter(-EACCES);
+
+ return _rc_filter(db_col_rule_add(col, 0, action,
+ syscall, arg_cnt, arg_array));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_rule_add(scmp_filter_ctx ctx,
+ uint32_t action, int syscall,
+ unsigned int arg_cnt, ...)
+{
+ int rc;
+ int iter;
+ struct scmp_arg_cmp arg_array[ARG_COUNT_MAX];
+ va_list arg_list;
+
+ /* arg_cnt is unsigned, so no need to check the lower bound */
+ if (arg_cnt > ARG_COUNT_MAX)
+ return _rc_filter(-EINVAL);
+
+ va_start(arg_list, arg_cnt);
+ for (iter = 0; iter < arg_cnt; ++iter)
+ arg_array[iter] = va_arg(arg_list, struct scmp_arg_cmp);
+ rc = seccomp_rule_add_array(ctx, action, syscall, arg_cnt, arg_array);
+ va_end(arg_list);
+
+ return _rc_filter(rc);
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_rule_add_exact_array(scmp_filter_ctx ctx,
+ uint32_t action, int syscall,
+ unsigned int arg_cnt,
+ const struct scmp_arg_cmp *arg_array)
+{
+ int rc;
+ struct db_filter_col *col = (struct db_filter_col *)ctx;
+
+ if (arg_cnt > ARG_COUNT_MAX)
+ return _rc_filter(-EINVAL);
+ if (arg_cnt > 0 && arg_array == NULL)
+ return _rc_filter(-EINVAL);
+
+ if (db_col_valid(col) || _syscall_valid(col, syscall))
+ return _rc_filter(-EINVAL);
+
+ rc = db_col_action_valid(col, action);
+ if (rc < 0)
+ return _rc_filter(rc);
+ if (action == col->attr.act_default)
+ return _rc_filter(-EACCES);
+
+ if (col->filter_cnt > 1)
+ return _rc_filter(-EOPNOTSUPP);
+
+ return _rc_filter(db_col_rule_add(col, 1, action,
+ syscall, arg_cnt, arg_array));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_rule_add_exact(scmp_filter_ctx ctx,
+ uint32_t action, int syscall,
+ unsigned int arg_cnt, ...)
+{
+ int rc;
+ int iter;
+ struct scmp_arg_cmp arg_array[ARG_COUNT_MAX];
+ va_list arg_list;
+
+ /* arg_cnt is unsigned, so no need to check the lower bound */
+ if (arg_cnt > ARG_COUNT_MAX)
+ return _rc_filter(-EINVAL);
+
+ va_start(arg_list, arg_cnt);
+ for (iter = 0; iter < arg_cnt; ++iter)
+ arg_array[iter] = va_arg(arg_list, struct scmp_arg_cmp);
+ rc = seccomp_rule_add_exact_array(ctx,
+ action, syscall, arg_cnt, arg_array);
+ va_end(arg_list);
+
+ return _rc_filter(rc);
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_notify_alloc(struct seccomp_notif **req,
+ struct seccomp_notif_resp **resp)
+{
+ /* force a runtime api level detection */
+ _seccomp_api_update();
+
+ return _rc_filter(sys_notify_alloc(req, resp));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API void seccomp_notify_free(struct seccomp_notif *req,
+ struct seccomp_notif_resp *resp)
+{
+ if (req)
+ free(req);
+ if (resp)
+ free(resp);
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_notify_receive(int fd, struct seccomp_notif *req)
+{
+ return _rc_filter(sys_notify_receive(fd, req));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_notify_respond(int fd, struct seccomp_notif_resp *resp)
+{
+ return _rc_filter(sys_notify_respond(fd, resp));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_notify_id_valid(int fd, uint64_t id)
+{
+ /* force a runtime api level detection */
+ _seccomp_api_update();
+
+ return _rc_filter(sys_notify_id_valid(fd, id));
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_notify_fd(const scmp_filter_ctx ctx)
+{
+ /* NOTE: for historical reasons, and possibly future use, we require a
+ * valid filter context even though we don't actual use it here; the
+ * api update is also not strictly necessary, but keep it for now */
+
+ /* force a runtime api level detection */
+ _seccomp_api_update();
+
+ if (_ctx_valid(ctx))
+ return _rc_filter(-EINVAL);
+
+ return _rc_filter(sys_notify_fd());
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_export_pfc(const scmp_filter_ctx ctx, int fd)
+{
+ int rc;
+ struct db_filter_col *col;
+
+ if (_ctx_valid(ctx))
+ return _rc_filter(-EINVAL);
+ col = (struct db_filter_col *)ctx;
+
+ rc = gen_pfc_generate(col, fd);
+ return _rc_filter_sys(col, rc);
+}
+
+/* NOTE - function header comment in include/seccomp.h */
+API int seccomp_export_bpf(const scmp_filter_ctx ctx, int fd)
+{
+ int rc;
+ struct db_filter_col *col;
+ struct bpf_program *program;
+
+ if (_ctx_valid(ctx))
+ return _rc_filter(-EINVAL);
+ col = (struct db_filter_col *)ctx;
+
+ rc = gen_bpf_generate(col, &program);
+ if (rc < 0)
+ return _rc_filter(rc);
+ rc = write(fd, program->blks, BPF_PGM_SIZE(program));
+ gen_bpf_release(program);
+ if (rc < 0)
+ return _rc_filter_sys(col, -errno);
+
+ return 0;
+}
diff --git a/src/arch-aarch64.c b/src/arch-aarch64.c
new file mode 100644
index 0000000..9b12b43
--- /dev/null
+++ b/src/arch-aarch64.c
@@ -0,0 +1,41 @@
+/**
+ * Enhanced Seccomp AArch64 Syscall Table
+ *
+ * Copyright (c) 2014 Red Hat <mjuszkiewicz@redhat.com>
+ * Author: Marcin Juszkiewicz <mjuszkiewicz@redhat.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <linux/audit.h>
+
+#include "arch.h"
+#include "arch-aarch64.h"
+#include "syscalls.h"
+
+ARCH_DEF(aarch64)
+
+const struct arch_def arch_def_aarch64 = {
+ .token = SCMP_ARCH_AARCH64,
+ .token_bpf = AUDIT_ARCH_AARCH64,
+ .size = ARCH_SIZE_64,
+ .endian = ARCH_ENDIAN_LITTLE,
+ .syscall_resolve_name_raw = aarch64_syscall_resolve_name,
+ .syscall_resolve_num_raw = aarch64_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
diff --git a/src/arch-aarch64.h b/src/arch-aarch64.h
new file mode 100644
index 0000000..ed1877a
--- /dev/null
+++ b/src/arch-aarch64.h
@@ -0,0 +1,29 @@
+/**
+ * Enhanced Seccomp AArch64 Syscall Table
+ *
+ * Copyright (c) 2014 Red Hat <mjuszkiewicz@redhat.com>
+ * Author: Marcin Juszkiewicz <mjuszkiewicz@redhat.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_AARCH64_H
+#define _ARCH_AARCH64_H
+
+#include "arch.h"
+
+ARCH_DECL(aarch64)
+
+#endif
diff --git a/src/arch-arm.c b/src/arch-arm.c
new file mode 100644
index 0000000..c389815
--- /dev/null
+++ b/src/arch-arm.c
@@ -0,0 +1,95 @@
+/**
+ * Enhanced Seccomp ARM Specific Code
+ *
+ * Copyright (c) 2013 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <linux/audit.h>
+
+#include "arch.h"
+#include "arch-arm.h"
+#include "syscalls.h"
+
+#define __SCMP_NR_OABI_SYSCALL_BASE 0x900000
+#define __SCMP_ARM_NR_BASE 0x0f0000
+
+/* NOTE: we currently only support the ARM EABI, more info at the URL below:
+ * -> http://wiki.embeddedarm.com/wiki/EABI_vs_OABI */
+#if 1
+#define __SCMP_NR_BASE 0
+#else
+#define __SCMP_NR_BASE __SCMP_NR_OABI_SYSCALL_BASE
+#endif
+
+/**
+ * Resolve a syscall name to a number
+ * @param arch the architecture definition
+ * @param name the syscall name
+ *
+ * Resolve the given syscall name to the syscall number using the syscall table.
+ * Returns the syscall number on success, including negative pseudo syscall
+ * numbers; returns __NR_SCMP_ERROR on failure.
+ *
+ */
+int arm_syscall_resolve_name_munge(const struct arch_def *arch,
+ const char *name)
+{
+ int sys;
+
+ /* NOTE: we don't want to modify the pseudo-syscall numbers */
+ sys = arch->syscall_resolve_name_raw(name);
+ if (sys == __NR_SCMP_ERROR || sys < 0)
+ return sys;
+
+ return (sys | __SCMP_NR_BASE);
+}
+
+/**
+ * Resolve a syscall number to a name
+ * @param arch the architecture definition
+ * @param num the syscall number
+ *
+ * Resolve the given syscall number to the syscall name using the syscall table.
+ * Returns a pointer to the syscall name string on success, including pseudo
+ * syscall names; returns NULL on failure.
+ *
+ */
+const char *arm_syscall_resolve_num_munge(const struct arch_def *arch, int num)
+{
+ /* NOTE: we don't want to modify the pseudo-syscall numbers */
+ if (num >= 0)
+ num &= ~__SCMP_NR_BASE;
+ return arch->syscall_resolve_num_raw(num);
+}
+
+ARCH_DEF(arm)
+
+const struct arch_def arch_def_arm = {
+ .token = SCMP_ARCH_ARM,
+ .token_bpf = AUDIT_ARCH_ARM,
+ .size = ARCH_SIZE_32,
+ .endian = ARCH_ENDIAN_LITTLE,
+ .syscall_resolve_name = arm_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = arm_syscall_resolve_name,
+ .syscall_resolve_num = arm_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = arm_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
diff --git a/src/arch-arm.h b/src/arch-arm.h
new file mode 100644
index 0000000..34e6c91
--- /dev/null
+++ b/src/arch-arm.h
@@ -0,0 +1,29 @@
+/**
+ * Enhanced Seccomp ARM Specific Code
+ *
+ * Copyright (c) 2013 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_ARM_H
+#define _ARCH_ARM_H
+
+#include "arch.h"
+
+ARCH_DECL(arm)
+
+#endif
diff --git a/src/arch-gperf-generate b/src/arch-gperf-generate
new file mode 100755
index 0000000..9e6c000
--- /dev/null
+++ b/src/arch-gperf-generate
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# NOTE: changes to the arch_syscall_table struct in syscalls.h will affect
+# this script/gperf - BEWARE!
+
+###
+# helper functions
+
+function exit_usage() {
+ echo "usage: $0 <syscall_csv_file> <gperf_template>"
+ exit 1
+}
+
+###
+# main
+
+# sanity check
+[[ ! -r "$1" || ! -r "$2" ]] && exit_usage
+sys_csv=$1
+gperf_tmpl=$2
+
+sys_csv_tmp=$(mktemp -t generate_syscalls_XXXXXX)
+
+# filter and prepare the syscall csv file
+cat $sys_csv | grep -v '^#' | nl -ba -s, -v0 | \
+ sed -e 's/^[[:space:]]\+\([0-9]\+\),\([^,]\+\),\(.*\)/\2,\1,\3/' \
+ -e ':repeat; {s|\([^,]\+\)\(.*\)[^_]PNR|\1\2,__PNR_\1|g;}; t repeat' \
+ > $sys_csv_tmp
+[[ $? -ne 0 ]] && exit 1
+
+# create the gperf file
+sed -e "/@@SYSCALLS_TABLE@@/r $sys_csv_tmp" \
+ -e '/@@SYSCALLS_TABLE@@/d' \
+ $gperf_tmpl > syscalls.perf
+[[ $? -ne 0 ]] && exit 1
+
+# cleanup
+rm -f $sys_csv_tmp
+
+exit 0
diff --git a/src/arch-mips.c b/src/arch-mips.c
new file mode 100644
index 0000000..5a12a11
--- /dev/null
+++ b/src/arch-mips.c
@@ -0,0 +1,108 @@
+/**
+ * Enhanced Seccomp MIPS Specific Code
+ *
+ * Copyright (c) 2014 Imagination Technologies Ltd.
+ * Author: Markos Chandras <markos.chandras@imgtec.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <linux/audit.h>
+
+#include "db.h"
+#include "syscalls.h"
+#include "arch.h"
+#include "arch-mips.h"
+
+/* O32 ABI */
+#define __SCMP_NR_BASE 4000
+
+/* mips syscall numbers */
+#define __mips_NR_socketcall (__SCMP_NR_BASE + 102)
+#define __mips_NR_ipc (__SCMP_NR_BASE + 117)
+
+/**
+ * Resolve a syscall name to a number
+ * @param name the syscall name
+ *
+ * Resolve the given syscall name to the syscall number using the syscall table.
+ * Returns the syscall number on success, including negative pseudo syscall
+ * numbers; returns __NR_SCMP_ERROR on failure.
+ *
+ */
+int mips_syscall_resolve_name_raw(const char *name)
+{
+ int sys;
+
+ /* NOTE: we don't want to modify the pseudo-syscall numbers */
+ sys = mips_syscall_resolve_name(name);
+ if (sys == __NR_SCMP_ERROR || sys < 0)
+ return sys;
+
+ return sys + __SCMP_NR_BASE;
+}
+
+/**
+ * Resolve a syscall number to a name
+ * @param num the syscall number
+ *
+ * Resolve the given syscall number to the syscall name using the syscall table.
+ * Returns a pointer to the syscall name string on success, including pseudo
+ * syscall names; returns NULL on failure.
+ *
+ */
+const char *mips_syscall_resolve_num_raw(int num)
+{
+ /* NOTE: we don't want to modify the pseudo-syscall numbers */
+ if (num >= __SCMP_NR_BASE)
+ num -= __SCMP_NR_BASE;
+ return mips_syscall_resolve_num(num);
+}
+
+ARCH_DEF(mips)
+
+const struct arch_def arch_def_mips = {
+ .token = SCMP_ARCH_MIPS,
+ .token_bpf = AUDIT_ARCH_MIPS,
+ .size = ARCH_SIZE_32,
+ .endian = ARCH_ENDIAN_BIG,
+ .sys_socketcall = __mips_NR_socketcall,
+ .sys_ipc = __mips_NR_ipc,
+ .syscall_resolve_name = abi_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = mips_syscall_resolve_name_raw,
+ .syscall_resolve_num = abi_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = mips_syscall_resolve_num_raw,
+ .syscall_rewrite = abi_syscall_rewrite,
+ .rule_add = abi_rule_add,
+};
+
+const struct arch_def arch_def_mipsel = {
+ .token = SCMP_ARCH_MIPSEL,
+ .token_bpf = AUDIT_ARCH_MIPSEL,
+ .size = ARCH_SIZE_32,
+ .endian = ARCH_ENDIAN_LITTLE,
+ .sys_socketcall = __mips_NR_socketcall,
+ .sys_ipc = __mips_NR_ipc,
+ .syscall_resolve_name = abi_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = mips_syscall_resolve_name_raw,
+ .syscall_resolve_num = abi_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = mips_syscall_resolve_num_raw,
+ .syscall_rewrite = abi_syscall_rewrite,
+ .rule_add = abi_rule_add,
+};
diff --git a/src/arch-mips.h b/src/arch-mips.h
new file mode 100644
index 0000000..c8752a8
--- /dev/null
+++ b/src/arch-mips.h
@@ -0,0 +1,31 @@
+/**
+ * Enhanced Seccomp MIPS Specific Code
+ *
+ * Copyright (c) 2014 Imagination Technologies Ltd.
+ * Author: Markos Chandras <markos.chandras@imgtec.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_MIPS_H
+#define _ARCH_MIPS_H
+
+#include "arch.h"
+
+ARCH_DECL(mips)
+ARCH_DECL(mipsel)
+
+#endif
diff --git a/src/arch-mips64.c b/src/arch-mips64.c
new file mode 100644
index 0000000..ca7027b
--- /dev/null
+++ b/src/arch-mips64.c
@@ -0,0 +1,100 @@
+/**
+ * Enhanced Seccomp MIPS64 Specific Code
+ *
+ * Copyright (c) 2014 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <linux/audit.h>
+
+#include "arch.h"
+#include "arch-mips64.h"
+#include "syscalls.h"
+
+/* 64 ABI */
+#define __SCMP_NR_BASE 5000
+
+/**
+ * Resolve a syscall name to a number
+ * @param arch the architecture definition
+ * @param name the syscall name
+ *
+ * Resolve the given syscall name to the syscall number using the syscall table.
+ * Returns the syscall number on success, including negative pseudo syscall
+ * numbers; returns __NR_SCMP_ERROR on failure.
+ *
+ */
+int mips64_syscall_resolve_name_munge(const struct arch_def *arch,
+ const char *name)
+{
+ int sys;
+
+ /* NOTE: we don't want to modify the pseudo-syscall numbers */
+ sys = arch->syscall_resolve_name_raw(name);
+ if (sys == __NR_SCMP_ERROR || sys < 0)
+ return sys;
+
+ return sys + __SCMP_NR_BASE;
+}
+
+/**
+ * Resolve a syscall number to a name
+ * @param arch the architecture definition
+ * @param num the syscall number
+ *
+ * Resolve the given syscall number to the syscall name using the syscall table.
+ * Returns a pointer to the syscall name string on success, including pseudo
+ * syscall names; returns NULL on failure.
+ *
+ */
+const char *mips64_syscall_resolve_num_munge(const struct arch_def *arch,
+ int num)
+{
+ /* NOTE: we don't want to modify the pseudo-syscall numbers */
+ if (num >= __SCMP_NR_BASE)
+ num -= __SCMP_NR_BASE;
+ return arch->syscall_resolve_num_raw(num);
+}
+
+ARCH_DEF(mips64)
+
+const struct arch_def arch_def_mips64 = {
+ .token = SCMP_ARCH_MIPS64,
+ .token_bpf = AUDIT_ARCH_MIPS64,
+ .size = ARCH_SIZE_64,
+ .endian = ARCH_ENDIAN_BIG,
+ .syscall_resolve_name = mips64_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = mips64_syscall_resolve_name,
+ .syscall_resolve_num = mips64_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = mips64_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
+
+const struct arch_def arch_def_mipsel64 = {
+ .token = SCMP_ARCH_MIPSEL64,
+ .token_bpf = AUDIT_ARCH_MIPSEL64,
+ .size = ARCH_SIZE_64,
+ .endian = ARCH_ENDIAN_LITTLE,
+ .syscall_resolve_name = mips64_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = mips64_syscall_resolve_name,
+ .syscall_resolve_num = mips64_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = mips64_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
diff --git a/src/arch-mips64.h b/src/arch-mips64.h
new file mode 100644
index 0000000..c8eaba8
--- /dev/null
+++ b/src/arch-mips64.h
@@ -0,0 +1,31 @@
+/**
+ * Enhanced Seccomp MIPS64 Specific Code
+ *
+ * Copyright (c) 2014 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_MIPS64_H
+#define _ARCH_MIPS64_H
+
+#include "arch.h"
+
+ARCH_DECL(mips64)
+ARCH_DECL(mipsel64)
+
+#endif
diff --git a/src/arch-mips64n32.c b/src/arch-mips64n32.c
new file mode 100644
index 0000000..c23cfc3
--- /dev/null
+++ b/src/arch-mips64n32.c
@@ -0,0 +1,102 @@
+/**
+ * Enhanced Seccomp MIPS Specific Code
+ *
+ * Copyright (c) 2014 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <linux/audit.h>
+
+#include "arch.h"
+#include "arch-mips64n32.h"
+#include "syscalls.h"
+
+/* N32 ABI */
+#define __SCMP_NR_BASE 6000
+
+/**
+ * Resolve a syscall name to a number
+ * @param arch the architecture definition
+ * @param name the syscall name
+ *
+ * Resolve the given syscall name to the syscall number using the syscall table.
+ * Returns the syscall number on success, including negative pseudo syscall
+ * numbers; returns __NR_SCMP_ERROR on failure.
+ *
+ */
+int mips64n32_syscall_resolve_name_munge(const struct arch_def *arch,
+ const char *name)
+{
+ int sys;
+
+ /* NOTE: we don't want to modify the pseudo-syscall numbers */
+ sys = mips64n32_syscall_resolve_name(name);
+ if (sys == __NR_SCMP_ERROR || sys < 0)
+ return sys;
+
+ return sys + __SCMP_NR_BASE;
+}
+
+/**
+ * Resolve a syscall number to a name
+ * @param arch the architecture definition
+ * @param num the syscall number
+ *
+ * Resolve the given syscall number to the syscall name using the syscall table.
+ * Returns a pointer to the syscall name string on success, including pseudo
+ * syscall names; returns NULL on failure.
+ *
+ */
+const char *mips64n32_syscall_resolve_num_munge(const struct arch_def *arch,
+ int num)
+{
+ /* NOTE: we don't want to modify the pseudo-syscall numbers */
+ if (num >= __SCMP_NR_BASE)
+ num -= __SCMP_NR_BASE;
+ return mips64n32_syscall_resolve_num(num);
+}
+
+ARCH_DEF(mips64n32)
+
+const struct arch_def arch_def_mips64n32 = {
+ .token = SCMP_ARCH_MIPS64N32,
+ .token_bpf = AUDIT_ARCH_MIPS64N32,
+ .size = ARCH_SIZE_32,
+ .endian = ARCH_ENDIAN_BIG,
+ .syscall_resolve_name = mips64n32_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = mips64n32_syscall_resolve_name,
+ .syscall_resolve_num = mips64n32_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = mips64n32_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
+
+const struct arch_def arch_def_mipsel64n32 = {
+ .token = SCMP_ARCH_MIPSEL64N32,
+ .token_bpf = AUDIT_ARCH_MIPSEL64N32,
+ .size = ARCH_SIZE_32,
+ .endian = ARCH_ENDIAN_LITTLE,
+ .syscall_resolve_name = mips64n32_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = mips64n32_syscall_resolve_name,
+ .syscall_resolve_num = mips64n32_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = mips64n32_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
diff --git a/src/arch-mips64n32.h b/src/arch-mips64n32.h
new file mode 100644
index 0000000..7f9146a
--- /dev/null
+++ b/src/arch-mips64n32.h
@@ -0,0 +1,31 @@
+/**
+ * Enhanced Seccomp MIPS Specific Code
+ *
+ * Copyright (c) 2014 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_MIPS64N32_H
+#define _ARCH_MIPS64N32_H
+
+#include "arch.h"
+
+ARCH_DECL(mips64n32)
+ARCH_DECL(mipsel64n32)
+
+#endif
diff --git a/src/arch-parisc.c b/src/arch-parisc.c
new file mode 100644
index 0000000..9a200fe
--- /dev/null
+++ b/src/arch-parisc.c
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2016 Helge Deller <deller@gmx.de>
+ * Author: Helge Deller <deller@gmx.de>
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <linux/audit.h>
+
+#include "arch.h"
+#include "arch-parisc.h"
+#include "syscalls.h"
+
+ARCH_DEF(parisc)
+
+const struct arch_def arch_def_parisc = {
+ .token = SCMP_ARCH_PARISC,
+ .token_bpf = AUDIT_ARCH_PARISC,
+ .size = ARCH_SIZE_32,
+ .endian = ARCH_ENDIAN_BIG,
+ .syscall_resolve_name_raw = parisc_syscall_resolve_name,
+ .syscall_resolve_num_raw = parisc_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
diff --git a/src/arch-parisc.h b/src/arch-parisc.h
new file mode 100644
index 0000000..0a2df6a
--- /dev/null
+++ b/src/arch-parisc.h
@@ -0,0 +1,29 @@
+/**
+ * Enhanced Seccomp PARISC Specific Code
+ *
+ * Copyright (c) 2016 Helge Deller <deller@gmx.de>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_PARISC_H
+#define _ARCH_PARISC_H
+
+#include "arch.h"
+
+ARCH_DECL(parisc)
+
+#endif
diff --git a/src/arch-parisc64.c b/src/arch-parisc64.c
new file mode 100644
index 0000000..2446407
--- /dev/null
+++ b/src/arch-parisc64.c
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2016 Helge Deller <deller@gmx.de>
+ * Author: Helge Deller <deller@gmx.de>
+*/
+
+#include <stdlib.h>
+#include <errno.h>
+#include <linux/audit.h>
+
+#include "arch.h"
+#include "arch-parisc64.h"
+#include "syscalls.h"
+
+ARCH_DEF(parisc64)
+
+const struct arch_def arch_def_parisc64 = {
+ .token = SCMP_ARCH_PARISC64,
+ .token_bpf = AUDIT_ARCH_PARISC64,
+ .size = ARCH_SIZE_64,
+ .endian = ARCH_ENDIAN_BIG,
+ .syscall_resolve_name_raw = parisc64_syscall_resolve_name,
+ .syscall_resolve_num_raw = parisc64_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
diff --git a/src/arch-parisc64.h b/src/arch-parisc64.h
new file mode 100644
index 0000000..7ec889b
--- /dev/null
+++ b/src/arch-parisc64.h
@@ -0,0 +1,29 @@
+/**
+ * Enhanced Seccomp PARISC Specific Code
+ *
+ * Copyright (c) 2016 Helge Deller <deller@gmx.de>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_PARISC64_H
+#define _ARCH_PARISC64_H
+
+#include "arch.h"
+
+ARCH_DECL(parisc64)
+
+#endif
diff --git a/src/arch-ppc.c b/src/arch-ppc.c
new file mode 100644
index 0000000..8fdad6f
--- /dev/null
+++ b/src/arch-ppc.c
@@ -0,0 +1,52 @@
+/**
+ * Enhanced Seccomp PPC Specific Code
+ *
+ * Copyright (c) 2015 Freescale <bogdan.purcareata@freescale.com>
+ * Author: Bogdan Purcareata <bogdan.purcareata@freescale.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <linux/audit.h>
+
+#include "db.h"
+#include "syscalls.h"
+#include "arch.h"
+#include "arch-ppc.h"
+
+/* ppc syscall numbers */
+#define __ppc_NR_socketcall 102
+#define __ppc_NR_ipc 117
+
+ARCH_DEF(ppc)
+
+const struct arch_def arch_def_ppc = {
+ .token = SCMP_ARCH_PPC,
+ .token_bpf = AUDIT_ARCH_PPC,
+ .size = ARCH_SIZE_32,
+ .endian = ARCH_ENDIAN_BIG,
+ .sys_socketcall = __ppc_NR_socketcall,
+ .sys_ipc = __ppc_NR_ipc,
+ .syscall_resolve_name = abi_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = ppc_syscall_resolve_name,
+ .syscall_resolve_num = abi_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = ppc_syscall_resolve_num,
+ .syscall_rewrite = abi_syscall_rewrite,
+ .rule_add = abi_rule_add,
+};
diff --git a/src/arch-ppc.h b/src/arch-ppc.h
new file mode 100644
index 0000000..f46aa1d
--- /dev/null
+++ b/src/arch-ppc.h
@@ -0,0 +1,30 @@
+/**
+ * Enhanced Seccomp PPC Specific Code
+ *
+ * Copyright (c) 2015 Freescale <bogdan.purcareata@freescale.com>
+ * Author: Bogdan Purcareata <bogdan.purcareata@freescale.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_PPC_H
+#define _ARCH_PPC_H
+
+#include "arch.h"
+
+ARCH_DECL(ppc)
+
+#endif
diff --git a/src/arch-ppc64.c b/src/arch-ppc64.c
new file mode 100644
index 0000000..a2c88b3
--- /dev/null
+++ b/src/arch-ppc64.c
@@ -0,0 +1,67 @@
+/**
+ * Enhanced Seccomp PPC64 Specific Code
+ *
+ * Copyright (c) 2014 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <linux/audit.h>
+
+#include "db.h"
+#include "syscalls.h"
+#include "arch.h"
+#include "arch-ppc64.h"
+
+/* ppc64 syscall numbers */
+#define __ppc64_NR_socketcall 102
+#define __ppc64_NR_ipc 117
+
+ARCH_DEF(ppc64)
+
+const struct arch_def arch_def_ppc64 = {
+ .token = SCMP_ARCH_PPC64,
+ .token_bpf = AUDIT_ARCH_PPC64,
+ .size = ARCH_SIZE_64,
+ .endian = ARCH_ENDIAN_BIG,
+ .sys_socketcall = __ppc64_NR_socketcall,
+ .sys_ipc = __ppc64_NR_ipc,
+ .syscall_resolve_name = abi_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = ppc64_syscall_resolve_name,
+ .syscall_resolve_num = abi_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = ppc64_syscall_resolve_num,
+ .syscall_rewrite = abi_syscall_rewrite,
+ .rule_add = abi_rule_add,
+};
+
+const struct arch_def arch_def_ppc64le = {
+ .token = SCMP_ARCH_PPC64LE,
+ .token_bpf = AUDIT_ARCH_PPC64LE,
+ .size = ARCH_SIZE_64,
+ .endian = ARCH_ENDIAN_LITTLE,
+ .sys_socketcall = __ppc64_NR_socketcall,
+ .sys_ipc = __ppc64_NR_ipc,
+ .syscall_resolve_name = abi_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = ppc64_syscall_resolve_name,
+ .syscall_resolve_num = abi_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = ppc64_syscall_resolve_num,
+ .syscall_rewrite = abi_syscall_rewrite,
+ .rule_add = abi_rule_add,
+};
diff --git a/src/arch-ppc64.h b/src/arch-ppc64.h
new file mode 100644
index 0000000..a0f7eb1
--- /dev/null
+++ b/src/arch-ppc64.h
@@ -0,0 +1,31 @@
+/**
+ * Enhanced Seccomp PPC64 Specific Code
+ *
+ * Copyright (c) 2014 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_PPC64_H
+#define _ARCH_PPC64_H
+
+#include "arch.h"
+
+ARCH_DECL(ppc64)
+ARCH_DECL(ppc64le)
+
+#endif
diff --git a/src/arch-riscv64.c b/src/arch-riscv64.c
new file mode 100644
index 0000000..eb16b1e
--- /dev/null
+++ b/src/arch-riscv64.c
@@ -0,0 +1,34 @@
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <linux/audit.h>
+
+#include "arch.h"
+#include "arch-riscv64.h"
+#include "syscalls.h"
+
+ARCH_DEF(riscv64)
+
+const struct arch_def arch_def_riscv64 = {
+ .token = SCMP_ARCH_RISCV64,
+ .token_bpf = AUDIT_ARCH_RISCV64,
+ .size = ARCH_SIZE_64,
+ .endian = ARCH_ENDIAN_LITTLE,
+ .syscall_resolve_name_raw = riscv64_syscall_resolve_name,
+ .syscall_resolve_num_raw = riscv64_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
diff --git a/src/arch-riscv64.h b/src/arch-riscv64.h
new file mode 100644
index 0000000..96939f2
--- /dev/null
+++ b/src/arch-riscv64.h
@@ -0,0 +1,22 @@
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_RISCV64_H
+#define _ARCH_RISCV64_H
+
+#include "arch.h"
+
+ARCH_DECL(riscv64)
+
+#endif
diff --git a/src/arch-s390.c b/src/arch-s390.c
new file mode 100644
index 0000000..cbcc769
--- /dev/null
+++ b/src/arch-s390.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2015 IBM
+ * Author: Jan Willeke <willeke@linux.vnet.com.com>
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <linux/audit.h>
+
+#include "db.h"
+#include "syscalls.h"
+#include "arch.h"
+#include "arch-s390.h"
+
+/* s390 syscall numbers */
+#define __s390_NR_socketcall 102
+#define __s390_NR_ipc 117
+
+ARCH_DEF(s390)
+
+const struct arch_def arch_def_s390 = {
+ .token = SCMP_ARCH_S390,
+ .token_bpf = AUDIT_ARCH_S390,
+ .size = ARCH_SIZE_32,
+ .endian = ARCH_ENDIAN_BIG,
+ .sys_socketcall = __s390_NR_socketcall,
+ .sys_ipc = __s390_NR_ipc,
+ .syscall_resolve_name = abi_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = s390_syscall_resolve_name,
+ .syscall_resolve_num = abi_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = s390_syscall_resolve_num,
+ .syscall_rewrite = abi_syscall_rewrite,
+ .rule_add = abi_rule_add,
+};
diff --git a/src/arch-s390.h b/src/arch-s390.h
new file mode 100644
index 0000000..3881ef3
--- /dev/null
+++ b/src/arch-s390.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2015 IBM
+ * Author: Jan Willeke <willeke@linux.vnet.com.com>
+ */
+
+#ifndef _ARCH_S390_H
+#define _ARCH_S390_H
+
+#include "arch.h"
+
+ARCH_DECL(s390)
+
+#endif
diff --git a/src/arch-s390x.c b/src/arch-s390x.c
new file mode 100644
index 0000000..0f0f619
--- /dev/null
+++ b/src/arch-s390x.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2015 IBM
+ * Author: Jan Willeke <willeke@linux.vnet.com.com>
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <linux/audit.h>
+
+#include "db.h"
+#include "syscalls.h"
+#include "arch.h"
+#include "arch-s390x.h"
+
+/* s390x syscall numbers */
+#define __s390x_NR_socketcall 102
+#define __s390x_NR_ipc 117
+
+ARCH_DEF(s390x)
+
+const struct arch_def arch_def_s390x = {
+ .token = SCMP_ARCH_S390X,
+ .token_bpf = AUDIT_ARCH_S390X,
+ .size = ARCH_SIZE_64,
+ .endian = ARCH_ENDIAN_BIG,
+ .sys_socketcall = __s390x_NR_socketcall,
+ .sys_ipc = __s390x_NR_ipc,
+ .syscall_resolve_name = abi_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = s390x_syscall_resolve_name,
+ .syscall_resolve_num = abi_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = s390x_syscall_resolve_num,
+ .syscall_rewrite = abi_syscall_rewrite,
+ .rule_add = abi_rule_add,
+};
diff --git a/src/arch-s390x.h b/src/arch-s390x.h
new file mode 100644
index 0000000..9592ec9
--- /dev/null
+++ b/src/arch-s390x.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2015 IBM
+ * Author: Jan Willeke <willeke@linux.vnet.com.com>
+ */
+
+#ifndef _ARCH_S390X_H
+#define _ARCH_S390X_H
+
+#include "arch.h"
+
+ARCH_DECL(s390x)
+
+#endif
diff --git a/src/arch-syscall-check b/src/arch-syscall-check
new file mode 100755
index 0000000..ae67daa
--- /dev/null
+++ b/src/arch-syscall-check
@@ -0,0 +1,60 @@
+#!/bin/bash
+
+#
+# libseccomp syscall build-time checking script
+#
+# Copyright (c) 2021 Microsoft Corporation. <paulmoore@microsoft.com>
+#
+# Author: Paul Moore <paul@paul-moore.com>
+#
+
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of version 2.1 of the GNU Lesser General Public License as
+# published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+# for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, see <http://www.gnu.org/licenses>.
+#
+
+SYSCALL_CSV="./syscalls.csv"
+SYSCALL_HDR="../include/seccomp-syscalls.h"
+
+function check_snr() {
+ (export LC_ALL=C; diff \
+ --label "CSV ($SYSCALL_CSV)" --label "HDR ($SYSCALL_HDR)" -u \
+ <(tail -n+2 $SYSCALL_CSV | cut -d',' -f1 | sort -u) \
+ <(grep __SNR_ $SYSCALL_HDR | awk '{ print $2 }' | \
+ sed -e 's/^__SNR_//' | sort -u))
+ return $?
+}
+
+function check_pnr() {
+ # NOTE: we don't care if we have __PNR_ define that isn't needed, we
+ # likely want to preserve those values so they aren't mistakenly
+ # reused by a new __PNR_ in the future
+ (export LC_ALL=C; diff \
+ <(tail -n+2 $SYSCALL_CSV | grep "PNR" | cut -d',' -f1 | \
+ sort -u) \
+ <(grep "#define __PNR_" $SYSCALL_HDR | awk '{ print $2 }' | \
+ sed -e 's/^__PNR_//' | sort -u) | \
+ grep "^<")
+ [[ $? -eq 1 ]] && return 0 || return 1
+}
+
+rc=0
+
+echo ">>> CHECKING FOR MISSING __SNR_syscall VALUES"
+check_snr
+rc=$(( $rc + $? ))
+
+echo ">>> CHECKING FOR MISSING __PNR_syscall VALUES"
+check_pnr
+rc=$(( $rc + $? ))
+
+exit $rc
diff --git a/src/arch-syscall-dump.c b/src/arch-syscall-dump.c
new file mode 100644
index 0000000..2055d34
--- /dev/null
+++ b/src/arch-syscall-dump.c
@@ -0,0 +1,162 @@
+/**
+ * Enhanced Seccomp Architecture Sycall Checker
+ *
+ * Copyright (c) 2014 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ *
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <seccomp.h>
+
+#include "arch.h"
+#include "arch-x86.h"
+#include "arch-x86_64.h"
+#include "arch-x32.h"
+#include "arch-arm.h"
+#include "arch-mips.h"
+#include "arch-mips64.h"
+#include "arch-mips64n32.h"
+#include "arch-aarch64.h"
+#include "arch-parisc.h"
+#include "arch-parisc64.h"
+#include "arch-ppc.h"
+#include "arch-ppc64.h"
+#include "arch-riscv64.h"
+#include "arch-s390.h"
+#include "arch-s390x.h"
+
+/**
+ * Print the usage information to stderr and exit
+ * @param program the name of the current program being invoked
+ *
+ * Print the usage information and exit with EINVAL.
+ *
+ */
+static void exit_usage(const char *program)
+{
+ fprintf(stderr, "usage: %s [-h] [-a <arch>] [-o <offset>]\n", program);
+ exit(EINVAL);
+}
+
+/**
+ * main
+ */
+int main(int argc, char *argv[])
+{
+ int opt;
+ const struct arch_def *arch = arch_def_native;
+ int offset = 0;
+ int iter;
+ const struct arch_syscall_def *sys;
+
+ /* parse the command line */
+ while ((opt = getopt(argc, argv, "a:o:h")) > 0) {
+ switch (opt) {
+ case 'a':
+ arch = arch_def_lookup_name(optarg);
+ if (arch == 0)
+ exit_usage(argv[0]);
+ break;
+ case 'o':
+ offset = atoi(optarg);
+ break;
+ case 'h':
+ default:
+ /* usage information */
+ exit_usage(argv[0]);
+ }
+ }
+
+ iter = 0;
+ do {
+ switch (arch->token) {
+ case SCMP_ARCH_X86:
+ sys = x86_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_X86_64:
+ sys = x86_64_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_X32:
+ sys = x32_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_ARM:
+ sys = arm_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_AARCH64:
+ sys = aarch64_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_MIPS:
+ case SCMP_ARCH_MIPSEL:
+ sys = mips_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_MIPS64:
+ case SCMP_ARCH_MIPSEL64:
+ sys = mips64_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_MIPS64N32:
+ case SCMP_ARCH_MIPSEL64N32:
+ sys = mips64n32_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_PARISC:
+ sys = parisc_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_PARISC64:
+ sys = parisc64_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_PPC:
+ sys = ppc_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_PPC64:
+ case SCMP_ARCH_PPC64LE:
+ sys = ppc64_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_RISCV64:
+ sys = riscv64_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_S390:
+ sys = s390_syscall_iterate(iter);
+ break;
+ case SCMP_ARCH_S390X:
+ sys = s390x_syscall_iterate(iter);
+ break;
+ default:
+ /* invalid arch */
+ exit_usage(argv[0]);
+ }
+ if (sys->name != NULL) {
+ int sys_num = sys->num;
+
+ if (offset > 0 && sys_num > 0)
+ sys_num -= offset;
+
+ /* output the results */
+ printf("%s\t%d\n", sys->name, sys_num);
+
+ /* next */
+ iter++;
+ }
+ } while (sys->name != NULL);
+
+ return 0;
+}
diff --git a/src/arch-syscall-validate b/src/arch-syscall-validate
new file mode 100755
index 0000000..3b69e9b
--- /dev/null
+++ b/src/arch-syscall-validate
@@ -0,0 +1,867 @@
+#!/bin/bash
+
+#
+# libseccomp syscall validation script
+#
+# Copyright (c) 2014 Red Hat <pmoore@redhat.com>
+# Copyright (c) 2020 Cisco Systems, Inc. <pmoore2@cisco.com>
+#
+# Author: Paul Moore <paul@paul-moore.com>
+#
+
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of version 2.1 of the GNU Lesser General Public License as
+# published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+# for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, see <http://www.gnu.org/licenses>.
+#
+
+LIB_SYS_DUMP="./arch-syscall-dump"
+
+####
+# functions
+
+#
+# Dependency check
+#
+# Arguments:
+# 1 Dependency to check for
+#
+function check_deps() {
+ [[ -z "$1" ]] && return
+ which "$1" >& /dev/null
+ return $?
+}
+
+#
+# Dependency verification
+#
+# Arguments:
+# 1 Dependency to check for
+#
+function verify_deps() {
+ [[ -z "$1" ]] && return
+ if ! check_deps "$1"; then
+ echo "error: install \"$1\" and include it in your \$PATH"
+ exit 1
+ fi
+}
+
+#
+# Print out script usage details
+#
+function usage() {
+cat << EOF
+usage: arch-syscall-validate [-h] [-c] [-a <arch>] <kernel_directory>
+
+libseccomp syscall validation script
+optional arguments:
+ -h show this help message and exit
+ -a architecture
+ -l output the library's syscall definitions
+ -s output the kernel's syscall definitions
+ -c generate a CSV of the kernel's syscall definitions
+EOF
+}
+
+#
+# Dump the kernel version
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the kernel's version information to stdout.
+#
+function kernel_version() {
+ local maj=$(cat $1/Makefile | \
+ grep "^VERSION =" | awk -F "= " '{ print $2 }')
+ local min=$(cat $1/Makefile | \
+ grep "^PATCHLEVEL =" | awk -F "= " '{ print $2 }')
+ local sub=$(cat $1/Makefile | \
+ grep "^SUBLEVEL =" | awk -F "= " '{ print $2 }')
+ local xtr=$(cat $1/Makefile | \
+ grep "^EXTRAVERSION =" | awk -F "= " '{ print $2 }')
+ echo "${maj}.${min}.${sub}${xtr}"
+}
+
+#
+# Dump the library syscall table for a given architecture
+#
+# Arguments:
+# 1 architecture
+# 2 offset (optional)
+#
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_arch() {
+ local offset_str=""
+
+ [[ -z $1 ]] && return
+
+ [[ -n $2 ]] && offset_str="-o $2"
+ $LIB_SYS_DUMP -a $1 $offset_str | sed 's/\t/,/' | sort
+}
+
+#
+# Mangle the library pseudo syscall values
+#
+# Arguments:
+# 1 architecture
+#
+# Mangle the supplied pseudo syscall to match the system values
+#
+function mangle_lib_syscall() {
+ local sed_filter=""
+
+ sed_filter+='s/accept4,-118/accept4,364/;'
+ sed_filter+='s/bind,-102/bind,361/;'
+ sed_filter+='s/connect,-103/connect,362/;'
+ sed_filter+='s/getpeername,-107/getpeername,368/;'
+ sed_filter+='s/getsockname,-106/getsockname,367/;'
+ sed_filter+='s/getsockopt,-115/getsockopt,365/;'
+ sed_filter+='s/listen,-104/listen,363/;'
+ sed_filter+='s/msgctl,-214/msgctl,402/;'
+ sed_filter+='s/msgget,-213/msgget,399/;'
+ sed_filter+='s/msgrcv,-212/msgrcv,401/;'
+ sed_filter+='s/msgsnd,-211/msgsnd,400/;'
+ sed_filter+='s/recvfrom,-112/recvfrom,371/;'
+ sed_filter+='s/recvmsg,-117/recvmsg,372/;'
+ sed_filter+='s/semctl,-203/semctl,394/;'
+ sed_filter+='s/semget,-202/semget,393/;'
+ sed_filter+='s/sendmsg,-116/sendmsg,370/;'
+ sed_filter+='s/sendto,-111/sendto,369/;'
+ sed_filter+='s/setsockopt,-114/setsockopt,366/;'
+ sed_filter+='s/shmat,-221/shmat,397/;'
+ sed_filter+='s/shmctl,-224/shmctl,396/;'
+ sed_filter+='s/shmdt,-222/shmdt,398/;'
+ sed_filter+='s/shmget,-223/shmget,395/;'
+ sed_filter+='s/shutdown,-113/shutdown,373/;'
+ sed_filter+='s/socket,-101/socket,359/;'
+ sed_filter+='s/socketpair,-108/socketpair,360/;'
+
+ case $1 in
+ s390|s390x)
+ sed_filter+='s/recvmmsg,-119/recvmmsg,357/;'
+ sed_filter+='s/sendmmsg,-120/sendmmsg,358/;'
+ ;;
+ *)
+ sed_filter+='s/recvmmsg,-119/recvmmsg,337/;'
+ sed_filter+='s/sendmmsg,-120/sendmmsg,345/;'
+ ;;
+ esac
+
+ sed $sed_filter | sed '/,-[0-9]\+$/d'
+}
+
+#
+# Dump the x86 system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_x86() {
+ cat $1/arch/x86/entry/syscalls/syscall_32.tbl | \
+ grep -v "^#" | awk '{ print $3","$1 }' | \
+ sort
+}
+
+#
+# Dump the x86 library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_x86() {
+ dump_lib_arch x86 | mangle_lib_syscall x86
+}
+
+#
+# Dump the x86_64 system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_x86_64() {
+ cat $1/arch/x86/entry/syscalls/syscall_64.tbl | \
+ grep -v "^#" | sed '/^$/d' | awk '{ print $2,$3,$1 }' | \
+ sed '/^x32/d' | awk '{ print $2","$3 }' | sort
+}
+
+#
+# Dump the x86_64 library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_x86_64() {
+ dump_lib_arch x86_64 | mangle_lib_syscall x86_64
+}
+
+#
+# Dump the x32 system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_x32() {
+ cat $1/arch/x86/entry/syscalls/syscall_64.tbl | \
+ grep -v "^#" | sed '/^$/d' | awk '{ print $2,$3,$1 }' | \
+ sed '/^64/d' | awk '{ print $2","$3 }' | sort
+}
+
+#
+# Dump the x32 library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_x32() {
+ dump_lib_arch x32 | mangle_lib_syscall x32
+}
+
+#
+# Dump the arm system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_arm() {
+ cat $1/arch/arm/tools/syscall.tbl | grep -v "^#" | \
+ sed -n "/[0-9]\+[ \t]\+\(common\|eabi\)/p" | \
+ awk '{ print $3","$1 }' | sort | (cat -; \
+ (cat $1/arch/arm/include/uapi/asm/unistd.h | \
+ grep "^#define __ARM_NR_" | \
+ grep -v "^#define __ARM_NR_BASE" | \
+ sed 's/#define __ARM_NR_\([a-z0-9_]*\)[ \t]\+(__ARM_NR_BASE+\(.*\))/\1 983040 + \2/' | \
+ awk '{ print $1","$2+$4 }')) | sort
+}
+
+#
+# Dump the arm library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_arm() {
+ # NOTE: arm_sync_file_range() and sync_file_range2() share values
+ dump_lib_arch arm | sed '/sync_file_range2,\+341/d' | \
+ mangle_lib_syscall arm
+}
+
+#
+# Dump the aarch64 system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_aarch64() {
+ local sed_filter=""
+
+ sed_filter+='s/__NR3264_statfs/43/;'
+ sed_filter+='s/__NR3264_ftruncate/46/;'
+ sed_filter+='s/__NR3264_truncate/45/;'
+ sed_filter+='s/__NR3264_lseek/62/;'
+ sed_filter+='s/__NR3264_sendfile/71/;'
+ sed_filter+='s/__NR3264_fstatat/79/;'
+ sed_filter+='s/__NR3264_fstatfs/44/;'
+ sed_filter+='s/__NR3264_fcntl/25/;'
+ sed_filter+='s/__NR3264_fadvise64/223/;'
+ sed_filter+='s/__NR3264_mmap/222/;'
+ sed_filter+='s/__NR3264_fstat/80/;'
+ sed_filter+='s/__NR3264_lstat/1039/;'
+ sed_filter+='s/__NR3264_stat/1038/;'
+
+ gcc -E -dM -I$1/include/uapi \
+ -D__BITS_PER_LONG=64 -D__ARCH_WANT_RENAMEAT \
+ -D__ARCH_WANT_NEW_STAT \
+ $1/arch/arm64/include/uapi/asm/unistd.h | \
+ grep "^#define __NR_" | \
+ sed '/__NR_syscalls/d' | \
+ sed '/__NR_arch_specific_syscall/d' | \
+ sed 's/#define[ \t]\+__NR_\([^ \t]\+\)[ \t]\+\(.*\)/\1,\2/' | \
+ sed $sed_filter | sort
+}
+
+#
+# Dump the aarch64 library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_aarch64() {
+ dump_lib_arch aarch64 | mangle_lib_syscall aarch64
+}
+
+#
+# Dump the mips system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_mips() {
+ cat $1/arch/mips/kernel/syscalls/syscall_o32.tbl | \
+ grep -v "^#" | \
+ sed -e '/[ \t]\+reserved[0-9]\+[ \t]\+/d;' | \
+ sed -e '/[ \t]\+unused[0-9]\+[ \t]\+/d;' | \
+ awk '{ print $3","$1 }' | sort
+}
+
+#
+# Dump the mips library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_mips() {
+ dump_lib_arch mips | mangle_lib_syscall mips
+}
+
+#
+# Dump the mips64 system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_mips64() {
+ cat $1/arch/mips/kernel/syscalls/syscall_n64.tbl | \
+ grep -v "^#" | \
+ sed -e '/[ \t]\+reserved[0-9]\+[ \t]\+/d;' | \
+ sed -e '/[ \t]\+unused[0-9]\+[ \t]\+/d;' | \
+ awk '{ print $3","$1 }' | sort
+}
+
+#
+# Dump the mips64 library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_mips64() {
+ dump_lib_arch mips64 | mangle_lib_syscall mips64
+}
+
+#
+# Dump the mips64n32 system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_mips64n32() {
+ cat $1/arch/mips/kernel/syscalls/syscall_n32.tbl | \
+ grep -v "^#" | \
+ sed -e '/[ \t]\+reserved[0-9]\+[ \t]\+/d;' | \
+ sed -e '/[ \t]\+unused[0-9]\+[ \t]\+/d;' | \
+ awk '{ print $3","$1 }' | sort
+}
+
+#
+# Dump the mips64n32 library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_mips64n32() {
+ dump_lib_arch mips64n32 | mangle_lib_syscall mips64n32
+}
+
+#
+# Dump the parisc system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_parisc() {
+ cat $1/arch/parisc/kernel/syscalls/syscall.tbl | \
+ grep -v "^#" | \
+ sed -n "/[0-9]\+[ \t]\+\(common\|32\)/p" | \
+ awk '{ print $3","$1 }' | \
+ sort
+}
+
+#
+# Dump the parisc library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_parisc() {
+ dump_lib_arch parisc | mangle_lib_syscall parisc
+}
+
+#
+# Dump the parisc64 system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_parisc64() {
+ cat $1/arch/parisc/kernel/syscalls/syscall.tbl | \
+ grep -v "^#" | \
+ sed -n "/[0-9]\+[ \t]\+\(common\|64\)/p" | \
+ awk '{ print $3","$1 }' | \
+ sort
+}
+
+#
+# Dump the parisc64 library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_parisc64() {
+ dump_lib_arch parisc64 | mangle_lib_syscall parisc64
+}
+
+#
+# Dump the ppc system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_ppc() {
+ cat $1/arch/powerpc/kernel/syscalls/syscall.tbl | grep -v "^#" | \
+ sed -ne "/[0-9]\+[ \t]\+\(common\|nospu\|32\)/p" | \
+ awk '{ print $3","$1 }' | sort
+}
+
+#
+# Dump the ppc library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_ppc() {
+ dump_lib_arch ppc | mangle_lib_syscall ppc
+}
+
+#
+# Dump the ppc64 system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_ppc64() {
+ cat $1/arch/powerpc/kernel/syscalls/syscall.tbl | grep -v "^#" | \
+ sed -ne "/[0-9]\+[ \t]\+\(common\|nospu\|64\)/p" | \
+ awk '{ print $3","$1 }' | sort
+}
+
+#
+# Dump the ppc64 library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_ppc64() {
+ dump_lib_arch ppc64 | mangle_lib_syscall ppc64
+}
+
+#
+# Dump the riscv64 system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_riscv64() {
+ local sed_filter=""
+
+ sed_filter+='s/__NR3264_fadvise64/223/;'
+ sed_filter+='s/__NR3264_fcntl/25/;'
+ sed_filter+='s/__NR3264_fstatat/79/;'
+ sed_filter+='s/__NR3264_fstatfs/44/;'
+ sed_filter+='s/__NR3264_ftruncate/46/;'
+ sed_filter+='s/__NR3264_lseek/62/;'
+ sed_filter+='s/__NR3264_mmap/222/;'
+ sed_filter+='s/__NR3264_sendfile/71/;'
+ sed_filter+='s/__NR3264_statfs/43/;'
+ sed_filter+='s/__NR3264_truncate/45/;'
+ sed_filter+='s/__NR3264_fstat/80/;'
+
+ gcc -E -dM -I$1/include/uapi \
+ -D__BITS_PER_LONG=64 -D__ARCH_WANT_NEW_STAT \
+ $1/arch/riscv/include/uapi/asm/unistd.h | \
+ grep "^#define __NR_" | \
+ sed '/__NR_syscalls/d' | \
+ sed 's/(__NR_arch_specific_syscall + 15)/259/' | \
+ sed '/__NR_arch_specific_syscall/d' | \
+ sed 's/#define[ \t]\+__NR_\([^ \t]\+\)[ \t]\+\(.*\)/\1,\2/' | \
+ sed $sed_filter | sort
+}
+
+#
+# Dump the riscv64 library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_riscv64() {
+ dump_lib_arch riscv64 | mangle_lib_syscall riscv64
+}
+
+#
+# Dump the s390 system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_s390() {
+ cat $1/arch/s390/kernel/syscalls/syscall.tbl | grep -v "^#" | \
+ sed -ne "/[0-9]\+[ \t]\+\(common\|32\)/p" | \
+ awk '{ print $3","$1 }' | \
+ sort
+}
+
+#
+# Dump the s390 library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_s390() {
+ dump_lib_arch s390 | mangle_lib_syscall s390
+}
+
+#
+# Dump the s390x system syscall table
+#
+# Arguments:
+# 1 path to the kernel source
+#
+# Dump the architecture's syscall table to stdout.
+#
+function dump_sys_s390x() {
+ cat $1/arch/s390/kernel/syscalls/syscall.tbl | grep -v "^#" | \
+ sed -ne "/[0-9]\+[ \t]\+\(common\|64\)/p" | \
+ awk '{ print $3","$1 }' | \
+ sort
+}
+
+#
+# Dump the s390x library syscall table
+#
+# Dump the library's syscall table to stdout.
+#
+function dump_lib_s390x() {
+ dump_lib_arch s390x | mangle_lib_syscall s390x
+}
+
+#
+# Dump the system syscall table
+#
+# Arguments:
+# 1 architecture
+# 2 path to the kernel source
+#
+# Dump the system's syscall table to stdout using the given architecture.
+#
+function dump_sys() {
+ case $1 in
+ x86)
+ dump_sys_x86 "$2"
+ ;;
+ x86_64)
+ dump_sys_x86_64 "$2"
+ ;;
+ x32)
+ dump_sys_x32 "$2"
+ ;;
+ arm)
+ dump_sys_arm "$2"
+ ;;
+ aarch64)
+ dump_sys_aarch64 "$2"
+ ;;
+ mips)
+ dump_sys_mips "$2"
+ ;;
+ mips64)
+ dump_sys_mips64 "$2"
+ ;;
+ mips64n32)
+ dump_sys_mips64n32 "$2"
+ ;;
+ parisc)
+ dump_sys_parisc "$2"
+ ;;
+ parisc64)
+ dump_sys_parisc64 "$2"
+ ;;
+ ppc)
+ dump_sys_ppc "$2"
+ ;;
+ ppc64)
+ dump_sys_ppc64 "$2"
+ ;;
+ riscv64)
+ dump_sys_riscv64 "$2"
+ ;;
+ s390)
+ dump_sys_s390 "$2"
+ ;;
+ s390x)
+ dump_sys_s390x "$2"
+ ;;
+ *)
+ echo ""
+ return 1
+ ;;
+ esac
+
+ return 0
+}
+
+#
+# Dump the library syscall table
+#
+# Arguments:
+# 1 architecture
+#
+# Dump the library's syscall table to stdout using the given architecture.
+#
+function dump_lib() {
+ case $1 in
+ x86)
+ dump_lib_x86
+ ;;
+ x86_64)
+ dump_lib_x86_64
+ ;;
+ x32)
+ dump_lib_x32
+ ;;
+ arm)
+ dump_lib_arm
+ ;;
+ aarch64)
+ dump_lib_aarch64
+ ;;
+ mips)
+ dump_lib_mips
+ ;;
+ mips64)
+ dump_lib_mips64
+ ;;
+ mips64n32)
+ dump_lib_mips64n32
+ ;;
+ parisc)
+ dump_lib_parisc
+ ;;
+ parisc64)
+ dump_lib_parisc64
+ ;;
+ ppc)
+ dump_lib_ppc
+ ;;
+ ppc64)
+ dump_lib_ppc64
+ ;;
+ riscv64)
+ dump_lib_riscv64
+ ;;
+ s390)
+ dump_lib_s390
+ ;;
+ s390x)
+ dump_lib_s390x
+ ;;
+ *)
+ echo ""
+ return 1
+ ;;
+ esac
+
+ return 0
+}
+
+#
+# Generate the syscall csv file
+#
+# Arguments:
+# 1 path to the kernel source
+# 2 "sys" or "lib" depending on the syscall list to use
+#
+# Generare a syscall csv file from the given kernel sources.
+#
+function gen_csv() {
+
+ # sanity checks
+ [[ -z $1 ]] && return
+ [[ $2 != "sys" && $2 != "lib" ]] && return
+
+ # abi list
+ # NOTE: the ordering here is dependent on the layout of the
+ # arch_syscall_table struct in syscalls.h - BEWARE!
+ abi_list=""
+ abi_list+=" x86 x86_64 x32"
+ abi_list+=" arm aarch64"
+ abi_list+=" mips mips64 mips64n32"
+ abi_list+=" parisc parisc64"
+ abi_list+=" ppc ppc64"
+ abi_list+=" riscv64"
+ abi_list+=" s390 s390x"
+
+ # get the full syscall list
+ for abi in $abi_list; do
+ eval output_$abi=$(mktemp -t syscall_validate_XXXXXX)
+ dump_$2_$abi "$1" > $(eval echo $`eval echo output_$abi`)
+ done
+ sc_list=$((for abi in $abi_list; do
+ cat $(eval echo $`eval echo output_$abi`);
+ done) | awk -F "," '{ print $1 }' | sort -u)
+
+ # output a simple header
+ printf "#syscall (v%s %s)" \
+ "$(kernel_version "$1")" "$(TZ=UTC date "+%Y-%m-%d")"
+ for abi in $abi_list; do
+ printf ",%s" $abi
+ done
+ printf "\n"
+
+ # output the syscall csv details
+ for sc in $sc_list; do
+ printf "%s" $sc
+ for abi in $abi_list; do
+ num=$(grep "^$sc," \
+ $(eval echo $`eval echo output_$abi`) | \
+ awk -F "," '{ print $2 }' )
+ [[ -z $num ]] && num="PNR"
+ printf ",%s" $num
+ done
+ printf "\n"
+ done
+
+ # cleanup
+ for abi in $abi_list; do
+ rm -f $(eval echo $`eval echo output_$abi`)
+ done
+}
+
+####
+# main
+
+verify_deps diff
+verify_deps gcc
+verify_deps grep
+verify_deps mktemp
+verify_deps sed
+if [[ ! -x $LIB_SYS_DUMP ]]; then
+ echo "error: \"$LIB_SYS_DUMP\" is not in the current working directory"
+ exit 1
+fi
+
+opt_arches=""
+opt_csv=0
+opt_sys=0
+opt_lib=0
+
+while getopts "a:cslh" opt; do
+ case $opt in
+ a)
+ opt_arches+="$OPTARG "
+ ;;
+ c)
+ opt_csv=1
+ ;;
+ s)
+ opt_sys=1
+ opt_lib=0
+ ;;
+ l)
+ opt_sys=0
+ opt_lib=1
+ ;;
+ h|*)
+ usage
+ exit 1
+ ;;
+ esac
+done
+shift $(($OPTIND - 1))
+
+# defaults
+if [[ $opt_arches == "" ]]; then
+ opt_arches=" \
+ x86 x86_64 x32 \
+ arm aarch64 \
+ mips mips64 mips64n32 \
+ parisc parisc64 \
+ ppc ppc64 \
+ s390 s390x"
+fi
+
+# sanity checks
+kernel_dir="$1"
+if [[ -z $kernel_dir ]]; then
+ usage
+ exit 1
+fi
+if [[ ! -d $kernel_dir ]]; then
+ echo "error: \"$1\" is not a valid directory"
+ exit 1
+fi
+
+# generate some temp files
+tmp_lib=$(mktemp -t syscall_validate_XXXXXX)
+tmp_sys=$(mktemp -t syscall_validate_XXXXXX)
+
+if [[ $opt_csv -eq 1 ]]; then
+ # generate the syscall csv file
+ if [[ $opt_lib -eq 1 ]]; then
+ gen_csv $kernel_dir "lib"
+ else
+ gen_csv $kernel_dir "sys"
+ fi
+else
+ # loop through the architectures and compare
+ for i in $opt_arches; do
+ # dump the syscall tables
+ dump_lib $i > $tmp_lib
+ if [[ $? -ne 0 ]]; then
+ echo "error: unknown arch $i"
+ exit 1
+ fi
+ dump_sys $i "$kernel_dir" > $tmp_sys
+ if [[ $? -ne 0 ]]; then
+ echo "error: unknown arch $i"
+ exit 1
+ fi
+
+ if [[ $opt_lib -eq 1 ]]; then
+ cat $tmp_lib
+ elif [[ $opt_sys -eq 1 ]]; then
+ cat $tmp_sys
+ else
+ # compare the lib and sys output
+ diff -u --label="$i [library]" $tmp_lib \
+ --label "$i [system]" $tmp_sys
+ fi
+ done
+fi
+
+# cleanup and exit
+rm -f $tmp_lib $tmp_sys
+
+exit 0
diff --git a/src/arch-x32.c b/src/arch-x32.c
new file mode 100644
index 0000000..cca6940
--- /dev/null
+++ b/src/arch-x32.c
@@ -0,0 +1,86 @@
+/**
+ * Enhanced Seccomp x32 Specific Code
+ *
+ * Copyright (c) 2013 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <linux/audit.h>
+
+#include "arch.h"
+#include "arch-x32.h"
+#include "syscalls.h"
+
+/**
+ * Resolve a syscall name to a number
+ * @param arch the architecture definition
+ * @param name the syscall name
+ *
+ * Resolve the given syscall name to the syscall number using the syscall table.
+ * Returns the syscall number on success, including negative pseudo syscall
+ * numbers; returns __NR_SCMP_ERROR on failure.
+ *
+ */
+int x32_syscall_resolve_name_munge(const struct arch_def *arch,
+ const char *name)
+{
+ int sys;
+
+ /* NOTE: we don't want to modify the pseudo-syscall numbers */
+ sys = arch->syscall_resolve_name_raw(name);
+ if (sys == __NR_SCMP_ERROR || sys < 0)
+ return sys;
+
+ return (sys | X32_SYSCALL_BIT);
+}
+
+/**
+ * Resolve a syscall number to a name
+ * @param arch the architecture definition
+ * @param num the syscall number
+ *
+ * Resolve the given syscall number to the syscall name using the syscall table.
+ * Returns a pointer to the syscall name string on success, including pseudo
+ * syscall names; returns NULL on failure.
+ *
+ */
+const char *x32_syscall_resolve_num_munge(const struct arch_def *arch,
+ int num)
+{
+ /* NOTE: we don't want to modify the pseudo-syscall numbers */
+ if (num >= 0)
+ num &= ~X32_SYSCALL_BIT;
+ return arch->syscall_resolve_num_raw(num);
+}
+
+ARCH_DEF(x32)
+
+const struct arch_def arch_def_x32 = {
+ .token = SCMP_ARCH_X32,
+ /* NOTE: this seems odd but the kernel treats x32 like x86_64 here */
+ .token_bpf = AUDIT_ARCH_X86_64,
+ .size = ARCH_SIZE_32,
+ .endian = ARCH_ENDIAN_LITTLE,
+ .syscall_resolve_name = x32_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = x32_syscall_resolve_name,
+ .syscall_resolve_num = x32_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = x32_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
diff --git a/src/arch-x32.h b/src/arch-x32.h
new file mode 100644
index 0000000..639fd20
--- /dev/null
+++ b/src/arch-x32.h
@@ -0,0 +1,31 @@
+/**
+ * Enhanced Seccomp x32 Specific Code
+ *
+ * Copyright (c) 2013 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_X32_H
+#define _ARCH_X32_H
+
+#include "arch.h"
+
+#define X32_SYSCALL_BIT 0x40000000
+
+ARCH_DECL(x32)
+
+#endif
diff --git a/src/arch-x86.c b/src/arch-x86.c
new file mode 100644
index 0000000..f086ab0
--- /dev/null
+++ b/src/arch-x86.c
@@ -0,0 +1,51 @@
+/**
+ * Enhanced Seccomp x86 Specific Code
+ *
+ * Copyright (c) 2012,2016 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <linux/audit.h>
+
+#include "db.h"
+#include "syscalls.h"
+#include "arch.h"
+#include "arch-x86.h"
+
+/* x86 syscall numbers */
+#define __x86_NR_socketcall 102
+#define __x86_NR_ipc 117
+
+ARCH_DEF(x86)
+
+const struct arch_def arch_def_x86 = {
+ .token = SCMP_ARCH_X86,
+ .token_bpf = AUDIT_ARCH_I386,
+ .size = ARCH_SIZE_32,
+ .endian = ARCH_ENDIAN_LITTLE,
+ .sys_socketcall = __x86_NR_socketcall,
+ .sys_ipc = __x86_NR_ipc,
+ .syscall_resolve_name = abi_syscall_resolve_name_munge,
+ .syscall_resolve_name_raw = x86_syscall_resolve_name,
+ .syscall_resolve_num = abi_syscall_resolve_num_munge,
+ .syscall_resolve_num_raw = x86_syscall_resolve_num,
+ .syscall_rewrite = abi_syscall_rewrite,
+ .rule_add = abi_rule_add,
+};
diff --git a/src/arch-x86.h b/src/arch-x86.h
new file mode 100644
index 0000000..a2e0b12
--- /dev/null
+++ b/src/arch-x86.h
@@ -0,0 +1,29 @@
+/**
+ * Enhanced Seccomp x86 Specific Code
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_X86_H
+#define _ARCH_X86_H
+
+#include "arch.h"
+
+ARCH_DECL(x86)
+
+#endif
diff --git a/src/arch-x86_64.c b/src/arch-x86_64.c
new file mode 100644
index 0000000..5825612
--- /dev/null
+++ b/src/arch-x86_64.c
@@ -0,0 +1,41 @@
+/**
+ * Enhanced Seccomp x86_64 Specific Code
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <linux/audit.h>
+
+#include "arch.h"
+#include "arch-x86_64.h"
+#include "syscalls.h"
+
+ARCH_DEF(x86_64)
+
+const struct arch_def arch_def_x86_64 = {
+ .token = SCMP_ARCH_X86_64,
+ .token_bpf = AUDIT_ARCH_X86_64,
+ .size = ARCH_SIZE_64,
+ .endian = ARCH_ENDIAN_LITTLE,
+ .syscall_resolve_name_raw = x86_64_syscall_resolve_name,
+ .syscall_resolve_num_raw = x86_64_syscall_resolve_num,
+ .syscall_rewrite = NULL,
+ .rule_add = NULL,
+};
diff --git a/src/arch-x86_64.h b/src/arch-x86_64.h
new file mode 100644
index 0000000..fcba125
--- /dev/null
+++ b/src/arch-x86_64.h
@@ -0,0 +1,29 @@
+/**
+ * Enhanced Seccomp x86_64 Specific Code
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_x86_64_H
+#define _ARCH_x86_64_H
+
+#include "arch.h"
+
+ARCH_DECL(x86_64)
+
+#endif
diff --git a/src/arch.c b/src/arch.c
new file mode 100644
index 0000000..8ef77b1
--- /dev/null
+++ b/src/arch.c
@@ -0,0 +1,450 @@
+/**
+ * Enhanced Seccomp Architecture/Machine Specific Code
+ *
+ * Copyright (c) 2012,2018 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <elf.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <asm/bitsperlong.h>
+#include <linux/audit.h>
+#include <stdbool.h>
+
+#include <seccomp.h>
+
+#include "arch.h"
+#include "arch-x86.h"
+#include "arch-x86_64.h"
+#include "arch-x32.h"
+#include "arch-arm.h"
+#include "arch-aarch64.h"
+#include "arch-mips.h"
+#include "arch-mips64.h"
+#include "arch-mips64n32.h"
+#include "arch-parisc.h"
+#include "arch-parisc64.h"
+#include "arch-ppc.h"
+#include "arch-ppc64.h"
+#include "arch-riscv64.h"
+#include "arch-s390.h"
+#include "arch-s390x.h"
+#include "db.h"
+#include "system.h"
+
+#define default_arg_offset(x) (offsetof(struct seccomp_data, args[x]))
+
+#if __i386__
+const struct arch_def *arch_def_native = &arch_def_x86;
+#elif __x86_64__
+#ifdef __ILP32__
+const struct arch_def *arch_def_native = &arch_def_x32;
+#else
+const struct arch_def *arch_def_native = &arch_def_x86_64;
+#endif /* __ILP32__ */
+#elif __arm__
+const struct arch_def *arch_def_native = &arch_def_arm;
+#elif __aarch64__
+const struct arch_def *arch_def_native = &arch_def_aarch64;
+#elif __mips__ && _MIPS_SIM == _MIPS_SIM_ABI32
+#if __MIPSEB__
+const struct arch_def *arch_def_native = &arch_def_mips;
+#elif __MIPSEL__
+const struct arch_def *arch_def_native = &arch_def_mipsel;
+#endif /* _MIPS_SIM_ABI32 */
+#elif __mips__ && _MIPS_SIM == _MIPS_SIM_ABI64
+#if __MIPSEB__
+const struct arch_def *arch_def_native = &arch_def_mips64;
+#elif __MIPSEL__
+const struct arch_def *arch_def_native = &arch_def_mipsel64;
+#endif /* _MIPS_SIM_ABI64 */
+#elif __mips__ && _MIPS_SIM == _MIPS_SIM_NABI32
+#if __MIPSEB__
+const struct arch_def *arch_def_native = &arch_def_mips64n32;
+#elif __MIPSEL__
+const struct arch_def *arch_def_native = &arch_def_mipsel64n32;
+#endif /* _MIPS_SIM_NABI32 */
+#elif __hppa64__ /* hppa64 must be checked before hppa */
+const struct arch_def *arch_def_native = &arch_def_parisc64;
+#elif __hppa__
+const struct arch_def *arch_def_native = &arch_def_parisc;
+#elif __PPC64__
+#ifdef __BIG_ENDIAN__
+const struct arch_def *arch_def_native = &arch_def_ppc64;
+#else
+const struct arch_def *arch_def_native = &arch_def_ppc64le;
+#endif
+#elif __PPC__
+const struct arch_def *arch_def_native = &arch_def_ppc;
+#elif __s390x__ /* s390x must be checked before s390 */
+const struct arch_def *arch_def_native = &arch_def_s390x;
+#elif __s390__
+const struct arch_def *arch_def_native = &arch_def_s390;
+#elif __riscv && __riscv_xlen == 64
+const struct arch_def *arch_def_native = &arch_def_riscv64;
+#else
+#error the arch code needs to know about your machine type
+#endif /* machine type guess */
+
+/**
+ * Validate the architecture token
+ * @param arch the architecture token
+ *
+ * Verify the given architecture token; return zero if valid, -EINVAL if not.
+ *
+ */
+int arch_valid(uint32_t arch)
+{
+ return (arch_def_lookup(arch) ? 0 : -EINVAL);
+}
+
+/**
+ * Lookup the architecture definition
+ * @param token the architecure token
+ *
+ * Return the matching architecture definition, returns NULL on failure.
+ *
+ */
+const struct arch_def *arch_def_lookup(uint32_t token)
+{
+ switch (token) {
+ case SCMP_ARCH_X86:
+ return &arch_def_x86;
+ case SCMP_ARCH_X86_64:
+ return &arch_def_x86_64;
+ case SCMP_ARCH_X32:
+ return &arch_def_x32;
+ case SCMP_ARCH_ARM:
+ return &arch_def_arm;
+ case SCMP_ARCH_AARCH64:
+ return &arch_def_aarch64;
+ case SCMP_ARCH_MIPS:
+ return &arch_def_mips;
+ case SCMP_ARCH_MIPSEL:
+ return &arch_def_mipsel;
+ case SCMP_ARCH_MIPS64:
+ return &arch_def_mips64;
+ case SCMP_ARCH_MIPSEL64:
+ return &arch_def_mipsel64;
+ case SCMP_ARCH_MIPS64N32:
+ return &arch_def_mips64n32;
+ case SCMP_ARCH_MIPSEL64N32:
+ return &arch_def_mipsel64n32;
+ case SCMP_ARCH_PARISC:
+ return &arch_def_parisc;
+ case SCMP_ARCH_PARISC64:
+ return &arch_def_parisc64;
+ case SCMP_ARCH_PPC:
+ return &arch_def_ppc;
+ case SCMP_ARCH_PPC64:
+ return &arch_def_ppc64;
+ case SCMP_ARCH_PPC64LE:
+ return &arch_def_ppc64le;
+ case SCMP_ARCH_S390:
+ return &arch_def_s390;
+ case SCMP_ARCH_S390X:
+ return &arch_def_s390x;
+ case SCMP_ARCH_RISCV64:
+ return &arch_def_riscv64;
+ }
+
+ return NULL;
+}
+
+/**
+ * Lookup the architecture definition by name
+ * @param arch_name the architecure name
+ *
+ * Return the matching architecture definition, returns NULL on failure.
+ *
+ */
+const struct arch_def *arch_def_lookup_name(const char *arch_name)
+{
+ if (strcmp(arch_name, "x86") == 0)
+ return &arch_def_x86;
+ else if (strcmp(arch_name, "x86_64") == 0)
+ return &arch_def_x86_64;
+ else if (strcmp(arch_name, "x32") == 0)
+ return &arch_def_x32;
+ else if (strcmp(arch_name, "arm") == 0)
+ return &arch_def_arm;
+ else if (strcmp(arch_name, "aarch64") == 0)
+ return &arch_def_aarch64;
+ else if (strcmp(arch_name, "mips") == 0)
+ return &arch_def_mips;
+ else if (strcmp(arch_name, "mipsel") == 0)
+ return &arch_def_mipsel;
+ else if (strcmp(arch_name, "mips64") == 0)
+ return &arch_def_mips64;
+ else if (strcmp(arch_name, "mipsel64") == 0)
+ return &arch_def_mipsel64;
+ else if (strcmp(arch_name, "mips64n32") == 0)
+ return &arch_def_mips64n32;
+ else if (strcmp(arch_name, "mipsel64n32") == 0)
+ return &arch_def_mipsel64n32;
+ else if (strcmp(arch_name, "parisc64") == 0)
+ return &arch_def_parisc64;
+ else if (strcmp(arch_name, "parisc") == 0)
+ return &arch_def_parisc;
+ else if (strcmp(arch_name, "ppc") == 0)
+ return &arch_def_ppc;
+ else if (strcmp(arch_name, "ppc64") == 0)
+ return &arch_def_ppc64;
+ else if (strcmp(arch_name, "ppc64le") == 0)
+ return &arch_def_ppc64le;
+ else if (strcmp(arch_name, "s390") == 0)
+ return &arch_def_s390;
+ else if (strcmp(arch_name, "s390x") == 0)
+ return &arch_def_s390x;
+ else if (strcmp(arch_name, "riscv64") == 0)
+ return &arch_def_riscv64;
+
+ return NULL;
+}
+
+/**
+ * Determine the argument offset for the lower 32 bits
+ * @param arch the architecture definition
+ * @param arg the argument number
+ *
+ * Determine the correct offset for the low 32 bits of the given argument based
+ * on the architecture definition. Returns the offset on success, negative
+ * values on failure.
+ *
+ */
+int arch_arg_offset_lo(const struct arch_def *arch, unsigned int arg)
+{
+ if (arch_valid(arch->token) < 0)
+ return -EDOM;
+
+ switch (arch->endian) {
+ case ARCH_ENDIAN_LITTLE:
+ return default_arg_offset(arg);
+ break;
+ case ARCH_ENDIAN_BIG:
+ return default_arg_offset(arg) + 4;
+ break;
+ default:
+ return -EDOM;
+ }
+}
+
+/**
+ * Determine the argument offset for the high 32 bits
+ * @param arch the architecture definition
+ * @param arg the argument number
+ *
+ * Determine the correct offset for the high 32 bits of the given argument
+ * based on the architecture definition. Returns the offset on success,
+ * negative values on failure.
+ *
+ */
+int arch_arg_offset_hi(const struct arch_def *arch, unsigned int arg)
+{
+ if (arch_valid(arch->token) < 0 || arch->size != ARCH_SIZE_64)
+ return -EDOM;
+
+ switch (arch->endian) {
+ case ARCH_ENDIAN_LITTLE:
+ return default_arg_offset(arg) + 4;
+ break;
+ case ARCH_ENDIAN_BIG:
+ return default_arg_offset(arg);
+ break;
+ default:
+ return -EDOM;
+ }
+}
+
+/**
+ * Determine the argument offset
+ * @param arch the architecture definition
+ * @param arg the argument number
+ *
+ * Determine the correct offset for the given argument based on the
+ * architecture definition. Returns the offset on success, negative values on
+ * failure.
+ *
+ */
+int arch_arg_offset(const struct arch_def *arch, unsigned int arg)
+{
+ return arch_arg_offset_lo(arch, arg);
+}
+
+/**
+ * Resolve a syscall name to a number
+ * @param arch the architecture definition
+ * @param name the syscall name
+ *
+ * Resolve the given syscall name to the syscall number based on the given
+ * architecture. Returns the syscall number on success, including negative
+ * pseudo syscall numbers; returns __NR_SCMP_ERROR on failure.
+ *
+ */
+int arch_syscall_resolve_name(const struct arch_def *arch, const char *name)
+{
+ if (arch->syscall_resolve_name)
+ return (*arch->syscall_resolve_name)(arch, name);
+ if (arch->syscall_resolve_name_raw)
+ return (*arch->syscall_resolve_name_raw)(name);
+
+ return __NR_SCMP_ERROR;
+}
+
+/**
+ * Resolve a syscall number to a name
+ * @param arch the architecture definition
+ * @param num the syscall number
+ *
+ * Resolve the given syscall number to the syscall name based on the given
+ * architecture. Returns a pointer to the syscall name string on success,
+ * including pseudo syscall names; returns NULL on failure.
+ *
+ */
+const char *arch_syscall_resolve_num(const struct arch_def *arch, int num)
+{
+ if (arch->syscall_resolve_num)
+ return (*arch->syscall_resolve_num)(arch, num);
+ if (arch->syscall_resolve_num_raw)
+ return (*arch->syscall_resolve_num_raw)(num);
+
+ return NULL;
+}
+
+/**
+ * Translate the syscall number
+ * @param arch the architecture definition
+ * @param syscall the syscall number
+ *
+ * Translate the syscall number, in the context of the native architecure, to
+ * the provided architecure. Returns zero on success, negative values on
+ * failure.
+ *
+ */
+int arch_syscall_translate(const struct arch_def *arch, int *syscall)
+{
+ int sc_num;
+ const char *sc_name;
+
+ /* special handling for syscall -1 */
+ if (*syscall == -1)
+ return 0;
+
+ if (arch->token != arch_def_native->token) {
+ sc_name = arch_syscall_resolve_num(arch_def_native, *syscall);
+ if (sc_name == NULL)
+ return -EFAULT;
+
+ sc_num = arch_syscall_resolve_name(arch, sc_name);
+ if (sc_num == __NR_SCMP_ERROR)
+ return -EFAULT;
+
+ *syscall = sc_num;
+ }
+
+ return 0;
+}
+
+/**
+ * Rewrite a syscall value to match the architecture
+ * @param arch the architecture definition
+ * @param syscall the syscall number
+ *
+ * Syscalls can vary across different architectures so this function rewrites
+ * the syscall into the correct value for the specified architecture. Returns
+ * zero on success, -EDOM if the syscall is not defined for @arch, and negative
+ * values on failure.
+ *
+ */
+int arch_syscall_rewrite(const struct arch_def *arch, int *syscall)
+{
+ int sys = *syscall;
+
+ if (sys >= -1) {
+ /* we shouldn't be here - no rewrite needed */
+ return 0;
+ } else if (sys > -100) {
+ /* -2 to -99 are reserved values */
+ return -EINVAL;
+ } else if (sys > -10000) {
+ /* rewritable syscalls */
+ if (arch->syscall_rewrite)
+ (*arch->syscall_rewrite)(arch, syscall);
+ }
+
+ /* syscalls not defined on this architecture */
+ if ((*syscall) < 0)
+ return -EDOM;
+ return 0;
+}
+
+/**
+ * Add a new rule to the specified filter
+ * @param db the seccomp filter db
+ * @param strict the rule
+ *
+ * This function adds a new argument/comparison/value to the seccomp filter for
+ * a syscall; multiple arguments can be specified and they will be chained
+ * together (essentially AND'd together) in the filter. When the strict flag
+ * is true the function will fail if the exact rule can not be added to the
+ * filter, if the strict flag is false the function will not fail if the
+ * function needs to adjust the rule due to architecture specifics. Returns
+ * zero on success, negative values on failure.
+ *
+ * It is important to note that in the case of failure the db may be corrupted,
+ * the caller must use the transaction mechanism if the db integrity is
+ * important.
+ *
+ */
+int arch_filter_rule_add(struct db_filter *db,
+ const struct db_api_rule_list *rule)
+{
+ int rc = 0;
+ int syscall;
+ struct db_api_rule_list *rule_dup = NULL;
+
+ /* create our own rule that we can munge */
+ rule_dup = db_rule_dup(rule);
+ if (rule_dup == NULL)
+ return -ENOMEM;
+
+ /* translate the syscall */
+ rc = arch_syscall_translate(db->arch, &rule_dup->syscall);
+ if (rc < 0)
+ goto rule_add_return;
+ syscall = rule_dup->syscall;
+
+ /* add the new rule to the existing filter */
+ if (syscall == -1 || db->arch->rule_add == NULL) {
+ /* syscalls < -1 require a db->arch->rule_add() function */
+ if (syscall < -1 && rule_dup->strict) {
+ rc = -EDOM;
+ goto rule_add_return;
+ }
+ rc = db_rule_add(db, rule_dup);
+ } else
+ rc = (db->arch->rule_add)(db, rule_dup);
+
+rule_add_return:
+ /* NOTE: another reminder that we don't do any db error recovery here,
+ * use the transaction mechanism as previously mentioned */
+ if (rule_dup != NULL)
+ free(rule_dup);
+ return rc;
+}
diff --git a/src/arch.h b/src/arch.h
new file mode 100644
index 0000000..9816274
--- /dev/null
+++ b/src/arch.h
@@ -0,0 +1,122 @@
+/**
+ * Enhanced Seccomp Architecture/Machine Specific Code
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _ARCH_H
+#define _ARCH_H
+
+#include <inttypes.h>
+#include <stddef.h>
+#include <stdbool.h>
+
+#include <seccomp.h>
+
+#include "system.h"
+
+struct db_filter;
+struct db_api_arg;
+struct db_api_rule_list;
+
+struct arch_def {
+ /* arch definition */
+ uint32_t token;
+ uint32_t token_bpf;
+ enum {
+ ARCH_SIZE_UNSPEC = 0,
+ ARCH_SIZE_32 = 32,
+ ARCH_SIZE_64 = 64,
+ } size;
+ enum {
+ ARCH_ENDIAN_UNSPEC = 0,
+ ARCH_ENDIAN_LITTLE,
+ ARCH_ENDIAN_BIG,
+ } endian;
+
+ /* arch specific constants */
+ int sys_socketcall;
+ int sys_ipc;
+
+ /* arch specific functions */
+ int (*syscall_resolve_name)(const struct arch_def *arch,
+ const char *name);
+ int (*syscall_resolve_name_raw)(const char *name);
+ const char *(*syscall_resolve_num)(const struct arch_def *arch,
+ int num);
+ const char *(*syscall_resolve_num_raw)(int num);
+ int (*syscall_rewrite)(const struct arch_def *arch, int *syscall);
+ int (*rule_add)(struct db_filter *db, struct db_api_rule_list *rule);
+};
+
+/* arch_def for the current architecture */
+extern const struct arch_def *arch_def_native;
+
+/* macro to declare the arch specific structures and functions */
+#define ARCH_DECL(NAME) \
+ extern const struct arch_def arch_def_##NAME; \
+ int NAME##_syscall_resolve_name(const char *name); \
+ const char *NAME##_syscall_resolve_num(int num); \
+ const struct arch_syscall_def *NAME##_syscall_iterate(unsigned int spot);
+
+/* macro to define the arch specific structures and functions */
+#define ARCH_DEF(NAME) \
+ int NAME##_syscall_resolve_name(const char *name) \
+ { \
+ return syscall_resolve_name(name, OFFSET_ARCH(NAME)); \
+ } \
+ const char *NAME##_syscall_resolve_num(int num) \
+ { \
+ return syscall_resolve_num(num, OFFSET_ARCH(NAME)); \
+ } \
+ const struct arch_syscall_def *NAME##_syscall_iterate(unsigned int spot) \
+ { \
+ return syscall_iterate(spot, OFFSET_ARCH(NAME)); \
+ }
+
+/* syscall name/num mapping */
+struct arch_syscall_def {
+ const char *name;
+ unsigned int num;
+};
+
+#define DATUM_MAX ((scmp_datum_t)-1)
+#define D64_LO(x) ((uint32_t)((uint64_t)(x) & 0x00000000ffffffff))
+#define D64_HI(x) ((uint32_t)((uint64_t)(x) >> 32))
+
+#define ARG_COUNT_MAX 6
+
+int arch_valid(uint32_t arch);
+
+const struct arch_def *arch_def_lookup(uint32_t token);
+const struct arch_def *arch_def_lookup_name(const char *arch_name);
+
+int arch_arg_offset_lo(const struct arch_def *arch, unsigned int arg);
+int arch_arg_offset_hi(const struct arch_def *arch, unsigned int arg);
+int arch_arg_offset(const struct arch_def *arch, unsigned int arg);
+
+int arch_syscall_resolve_name(const struct arch_def *arch, const char *name);
+const char *arch_syscall_resolve_num(const struct arch_def *arch, int num);
+
+int arch_syscall_translate(const struct arch_def *arch, int *syscall);
+int arch_syscall_rewrite(const struct arch_def *arch, int *syscall);
+
+int arch_filter_rule_add(struct db_filter *db,
+ const struct db_api_rule_list *rule);
+
+#endif
diff --git a/src/db.c b/src/db.c
new file mode 100644
index 0000000..836171a
--- /dev/null
+++ b/src/db.c
@@ -0,0 +1,2620 @@
+/**
+ * Enhanced Seccomp Filter DB
+ *
+ * Copyright (c) 2012,2016,2018 Red Hat <pmoore@redhat.com>
+ * Copyright (c) 2019 Cisco Systems, Inc. <pmoore2@cisco.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include <seccomp.h>
+
+#include "arch.h"
+#include "db.h"
+#include "system.h"
+#include "helper.h"
+
+/* state values */
+#define _DB_STA_VALID 0xA1B2C3D4
+#define _DB_STA_FREED 0x1A2B3C4D
+
+/* the priority field is fairly simple - without any user hints, or in the case
+ * of a hint "tie", we give higher priority to syscalls with less chain nodes
+ * (filter is easier to evaluate) */
+#define _DB_PRI_MASK_CHAIN 0x0000FFFF
+#define _DB_PRI_MASK_USER 0x00FF0000
+#define _DB_PRI_USER(x) (((x) << 16) & _DB_PRI_MASK_USER)
+
+/* prove information about the sub-tree check results */
+struct db_iter_state {
+#define _DB_IST_NONE 0x00000000
+#define _DB_IST_MATCH 0x00000001
+#define _DB_IST_MATCH_ONCE 0x00000002
+#define _DB_IST_X_FINISHED 0x00000010
+#define _DB_IST_N_FINISHED 0x00000020
+#define _DB_IST_X_PREFIX 0x00000100
+#define _DB_IST_N_PREFIX 0x00000200
+#define _DB_IST_M_MATCHSET (_DB_IST_MATCH|_DB_IST_MATCH_ONCE)
+#define _DB_IST_M_REDUNDANT (_DB_IST_MATCH| \
+ _DB_IST_X_FINISHED| \
+ _DB_IST_N_PREFIX)
+ unsigned int flags;
+ uint32_t action;
+ struct db_sys_list *sx;
+};
+
+static unsigned int _db_node_put(struct db_arg_chain_tree **node);
+
+/**
+ * Define the syscall argument priority for nodes on the same level of the tree
+ * @param a tree node
+ *
+ * Prioritize the syscall argument value, taking into account hi/lo words.
+ * Should only ever really be called by _db_chain_{lt,eq}(). Returns an
+ * arbitrary value indicating priority.
+ *
+ */
+static unsigned int __db_chain_arg_priority(const struct db_arg_chain_tree *a)
+{
+ return (a->arg << 1) + (a->arg_h_flg ? 1 : 0);
+}
+
+/**
+ * Define the "op" priority for nodes on the same level of the tree
+ * @param op the argument operator
+ *
+ * Prioritize the syscall argument comparison operator. Should only ever
+ * really be called by _db_chain_{lt,eq}(). Returns an arbitrary value
+ * indicating priority.
+ *
+ */
+static unsigned int __db_chain_op_priority(enum scmp_compare op)
+{
+ /* the distinction between LT/LT and GT/GE is mostly to make the
+ * ordering as repeatable as possible regardless of the order in which
+ * the rules are added */
+ switch (op) {
+ case SCMP_CMP_MASKED_EQ:
+ case SCMP_CMP_EQ:
+ case SCMP_CMP_NE:
+ return 3;
+ case SCMP_CMP_LE:
+ case SCMP_CMP_LT:
+ return 2;
+ case SCMP_CMP_GE:
+ case SCMP_CMP_GT:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+/**
+ * Determine if node "a" is less than node "b"
+ * @param a tree node
+ * @param b tree node
+ *
+ * The logic is best explained by looking at the comparison code in the
+ * function.
+ *
+ */
+static bool _db_chain_lt(const struct db_arg_chain_tree *a,
+ const struct db_arg_chain_tree *b)
+{
+ unsigned int a_arg, b_arg;
+ unsigned int a_op, b_op;
+
+ a_arg = __db_chain_arg_priority(a);
+ b_arg = __db_chain_arg_priority(b);
+ if (a_arg < b_arg)
+ return true;
+ else if (a_arg > b_arg)
+ return false;
+
+ a_op = __db_chain_op_priority(a->op_orig);
+ b_op = __db_chain_op_priority(b->op_orig);
+ if (a_op < b_op)
+ return true;
+ else if (a_op > b_op)
+ return false;
+
+ /* NOTE: at this point the arg and op priorities are equal */
+
+ switch (a->op_orig) {
+ case SCMP_CMP_LE:
+ case SCMP_CMP_LT:
+ /* in order to ensure proper ordering for LT/LE comparisons we
+ * need to invert the argument value so smaller values come
+ * first */
+ if (a->datum > b->datum)
+ return true;
+ break;
+ default:
+ if (a->datum < b->datum)
+ return true;
+ break;
+ }
+
+ return false;
+}
+
+/**
+ * Determine if two nodes have equal argument datum values
+ * @param a tree node
+ * @param b tree node
+ *
+ * In order to return true the nodes must have the same datum and mask for the
+ * same argument.
+ *
+ */
+static bool _db_chain_eq(const struct db_arg_chain_tree *a,
+ const struct db_arg_chain_tree *b)
+{
+ unsigned int a_arg, b_arg;
+
+ a_arg = __db_chain_arg_priority(a);
+ b_arg = __db_chain_arg_priority(b);
+
+ return ((a_arg == b_arg) && (a->op == b->op) &&
+ (a->datum == b->datum) && (a->mask == b->mask));
+}
+
+/**
+ * Determine if a given tree node is a leaf node
+ * @param iter the node to test
+ *
+ * A leaf node is a node with no other nodes beneath it.
+ *
+ */
+static bool _db_chain_leaf(const struct db_arg_chain_tree *iter)
+{
+ return (iter->nxt_t == NULL && iter->nxt_f == NULL);
+}
+
+/**
+ * Determine if a given tree node is a zombie node
+ * @param iter the node to test
+ *
+ * A zombie node is a leaf node that also has no true or false actions.
+ *
+ */
+static bool _db_chain_zombie(const struct db_arg_chain_tree *iter)
+{
+ return (_db_chain_leaf(iter) &&
+ !(iter->act_t_flg) && !(iter->act_f_flg));
+}
+
+/**
+ * Get a node reference
+ * @param node pointer to a node
+ *
+ * This function gets a reference to an individual node. Returns a pointer
+ * to the node.
+ *
+ */
+static struct db_arg_chain_tree *_db_node_get(struct db_arg_chain_tree *node)
+{
+ if (node != NULL)
+ node->refcnt++;
+ return node;
+}
+
+/**
+ * Garbage collect a level of the tree
+ * @param node tree node
+ *
+ * Check the entire level on which @node resides, if there is no other part of
+ * the tree which points to a node on this level, remove the entire level.
+ * Returns the number of nodes removed.
+ *
+ */
+static unsigned int _db_level_clean(struct db_arg_chain_tree *node)
+{
+ int cnt = 0;
+ unsigned int links;
+ struct db_arg_chain_tree *n = node;
+ struct db_arg_chain_tree *start;
+
+ while (n->lvl_prv)
+ n = n->lvl_prv;
+ start = n;
+
+ while (n != NULL) {
+ links = 0;
+ if (n->lvl_prv)
+ links++;
+ if (n->lvl_nxt)
+ links++;
+
+ if (n->refcnt > links)
+ return cnt;
+
+ n = n->lvl_nxt;
+ }
+
+ n = start;
+ while (n != NULL)
+ cnt += _db_node_put(&n);
+
+ return cnt;
+}
+
+/**
+ * Free a syscall filter argument chain tree
+ * @param tree the argument chain list
+ *
+ * This function drops a reference to the tree pointed to by @tree and garbage
+ * collects the top level. Returns the number of nodes removed.
+ *
+ */
+static unsigned int _db_tree_put(struct db_arg_chain_tree **tree)
+{
+ unsigned int cnt;
+
+ cnt = _db_node_put(tree);
+ if (*tree)
+ cnt += _db_level_clean(*tree);
+
+ return cnt;
+}
+
+/**
+ * Release a node reference
+ * @param node pointer to a node
+ *
+ * This function drops a reference to an individual node, unless this is the
+ * last reference in which the entire sub-tree is affected. Returns the number
+ * of nodes freed.
+ *
+ */
+static unsigned int _db_node_put(struct db_arg_chain_tree **node)
+{
+ unsigned int cnt = 0;
+ struct db_arg_chain_tree *n = *node;
+ struct db_arg_chain_tree *lvl_p, *lvl_n, *nxt_t, *nxt_f;
+
+ if (n == NULL)
+ return 0;
+
+ if (--(n->refcnt) == 0) {
+ lvl_p = n->lvl_prv;
+ lvl_n = n->lvl_nxt;
+ nxt_t = n->nxt_t;
+ nxt_f = n->nxt_f;
+
+ /* split the current level */
+ /* NOTE: we still hold a ref for both lvl_p and lvl_n */
+ if (lvl_p)
+ lvl_p->lvl_nxt = NULL;
+ if (lvl_n)
+ lvl_n->lvl_prv = NULL;
+
+ /* drop refcnts on the current level */
+ if (lvl_p)
+ cnt += _db_node_put(&lvl_p);
+ if (lvl_n)
+ cnt += _db_node_put(&lvl_n);
+
+ /* re-link current level if it still exists */
+ if (lvl_p)
+ lvl_p->lvl_nxt = _db_node_get(lvl_n);
+ if (lvl_n)
+ lvl_n->lvl_prv = _db_node_get(lvl_p);
+
+ /* update caller's pointer */
+ if (lvl_p)
+ *node = lvl_p;
+ else if (lvl_n)
+ *node = lvl_n;
+ else
+ *node = NULL;
+
+ /* drop the next level(s) */
+ cnt += _db_tree_put(&nxt_t);
+ cnt += _db_tree_put(&nxt_f);
+
+ /* cleanup and accounting */
+ free(n);
+ cnt++;
+ }
+
+ return cnt;
+}
+
+/**
+ * Remove a node from an argument chain tree
+ * @param tree the pointer to the tree
+ * @param node the node to remove
+ *
+ * This function searches the tree looking for the node and removes it as well
+ * as any sub-trees beneath it. Returns the number of nodes freed.
+ *
+ */
+static unsigned int _db_tree_remove(struct db_arg_chain_tree **tree,
+ struct db_arg_chain_tree *node)
+{
+ int cnt = 0;
+ struct db_arg_chain_tree *c_iter;
+
+ if (tree == NULL || *tree == NULL || node == NULL)
+ return 0;
+
+ c_iter = *tree;
+ while (c_iter->lvl_prv != NULL)
+ c_iter = c_iter->lvl_prv;
+
+ do {
+ /* current node? */
+ if (c_iter == node)
+ goto remove;
+
+ /* check the sub-trees */
+ cnt += _db_tree_remove(&(c_iter->nxt_t), node);
+ cnt += _db_tree_remove(&(c_iter->nxt_f), node);
+
+ /* check for empty/zombie nodes */
+ if (_db_chain_zombie(c_iter))
+ goto remove;
+
+ /* next node on this level */
+ c_iter = c_iter->lvl_nxt;
+ } while (c_iter != NULL && cnt == 0);
+
+ return cnt;
+
+remove:
+ /* reset the tree pointer if needed */
+ if (c_iter == *tree) {
+ if (c_iter->lvl_prv != NULL)
+ *tree = c_iter->lvl_prv;
+ else
+ *tree = c_iter->lvl_nxt;
+ }
+
+ /* remove the node from the current level */
+ if (c_iter->lvl_prv)
+ c_iter->lvl_prv->lvl_nxt = c_iter->lvl_nxt;
+ if (c_iter->lvl_nxt)
+ c_iter->lvl_nxt->lvl_prv = c_iter->lvl_prv;
+ c_iter->lvl_prv = NULL;
+ c_iter->lvl_nxt = NULL;
+
+ /* free the node and any sub-trees */
+ cnt += _db_node_put(&c_iter);
+
+ return cnt;
+}
+
+/**
+ * Traverse a tree checking the action values
+ * @param tree the pointer to the tree
+ * @param action the action
+ *
+ * Traverse the tree inspecting each action to see if it matches the given
+ * action. Returns zero if all actions match the given action, negative values
+ * on failure.
+ *
+ */
+static int _db_tree_act_check(struct db_arg_chain_tree *tree, uint32_t action)
+{
+ int rc;
+ struct db_arg_chain_tree *c_iter;
+
+ if (tree == NULL)
+ return 0;
+
+ c_iter = tree;
+ while (c_iter->lvl_prv != NULL)
+ c_iter = c_iter->lvl_prv;
+
+ do {
+ if (c_iter->act_t_flg && c_iter->act_t != action)
+ return -EEXIST;
+ if (c_iter->act_f_flg && c_iter->act_f != action)
+ return -EEXIST;
+
+ rc = _db_tree_act_check(c_iter->nxt_t, action);
+ if (rc < 0)
+ return rc;
+ rc = _db_tree_act_check(c_iter->nxt_f, action);
+ if (rc < 0)
+ return rc;
+
+ c_iter = c_iter->lvl_nxt;
+ } while (c_iter != NULL);
+
+ return 0;
+}
+
+/**
+ * Checks for a sub-tree match in an existing tree and prunes the tree
+ * @param existing pointer to the existing tree
+ * @param new pointer to the new tree
+ * @param state pointer to a state structure
+ *
+ * This function searches the existing tree trying to prune it based on the
+ * new tree. Returns the number of nodes removed from the tree on success,
+ * zero if no changes were made.
+ *
+ */
+static int _db_tree_prune(struct db_arg_chain_tree **existing,
+ struct db_arg_chain_tree *new,
+ struct db_iter_state *state)
+{
+ int cnt = 0;
+ struct db_iter_state state_nxt;
+ struct db_iter_state state_new = *state;
+ struct db_arg_chain_tree *x_iter_next;
+ struct db_arg_chain_tree *x_iter = *existing;
+ struct db_arg_chain_tree *n_iter = new;
+
+ /* check if either tree is finished */
+ if (n_iter == NULL || x_iter == NULL)
+ goto prune_return;
+
+ /* bail out if we have a broken match */
+ if ((state->flags & _DB_IST_M_MATCHSET) == _DB_IST_MATCH_ONCE)
+ goto prune_return;
+
+ /* get to the start of the existing level */
+ while (x_iter->lvl_prv)
+ x_iter = x_iter->lvl_prv;
+
+ /* NOTE: a few comments on the code below ...
+ * 1) we need to take a reference before we go down a level in case
+ * we end up dropping the sub-tree (see the _db_node_get() calls)
+ * 2) since the new tree really only has one branch, we can only ever
+ * match on one branch in the existing tree, if we "hit" then we
+ * can bail on the other branches */
+
+ do {
+ /* store this now in case we remove x_iter */
+ x_iter_next = x_iter->lvl_nxt;
+
+ /* compare the two nodes */
+ if (_db_chain_eq(x_iter, n_iter)) {
+ /* we have a match */
+ state_new.flags |= _DB_IST_M_MATCHSET;
+
+ /* check if either tree is finished */
+ if (_db_chain_leaf(n_iter))
+ state_new.flags |= _DB_IST_N_FINISHED;
+ if (_db_chain_leaf(x_iter))
+ state_new.flags |= _DB_IST_X_FINISHED;
+
+ /* don't remove nodes if we have more actions/levels */
+ if ((x_iter->act_t_flg || x_iter->nxt_t) &&
+ !(n_iter->act_t_flg || n_iter->nxt_t))
+ goto prune_return;
+ if ((x_iter->act_f_flg || x_iter->nxt_f) &&
+ !(n_iter->act_f_flg || n_iter->nxt_f))
+ goto prune_return;
+
+ /* if finished, compare actions */
+ if ((state_new.flags & _DB_IST_N_FINISHED) &&
+ (state_new.flags & _DB_IST_X_FINISHED)) {
+ if (n_iter->act_t_flg != x_iter->act_t_flg)
+ goto prune_return;
+ if (n_iter->act_t != x_iter->act_t)
+ goto prune_return;
+
+ if (n_iter->act_f_flg != x_iter->act_f_flg)
+ goto prune_return;
+ if (n_iter->act_f != x_iter->act_f)
+ goto prune_return;
+ }
+
+ /* check next level */
+ if (n_iter->nxt_t) {
+ _db_node_get(x_iter);
+ state_nxt = *state;
+ state_nxt.flags |= _DB_IST_M_MATCHSET;
+ cnt += _db_tree_prune(&x_iter->nxt_t,
+ n_iter->nxt_t,
+ &state_nxt);
+ cnt += _db_node_put(&x_iter);
+ if (state_nxt.flags & _DB_IST_MATCH) {
+ state_new.flags |= state_nxt.flags;
+ /* don't return yet, we need to check
+ * the current node */
+ }
+ if (x_iter == NULL)
+ goto prune_next_node;
+ }
+ if (n_iter->nxt_f) {
+ _db_node_get(x_iter);
+ state_nxt = *state;
+ state_nxt.flags |= _DB_IST_M_MATCHSET;
+ cnt += _db_tree_prune(&x_iter->nxt_f,
+ n_iter->nxt_f,
+ &state_nxt);
+ cnt += _db_node_put(&x_iter);
+ if (state_nxt.flags & _DB_IST_MATCH) {
+ state_new.flags |= state_nxt.flags;
+ /* don't return yet, we need to check
+ * the current node */
+ }
+ if (x_iter == NULL)
+ goto prune_next_node;
+ }
+
+ /* remove the node? */
+ if (!_db_tree_act_check(x_iter, state_new.action) &&
+ (state_new.flags & _DB_IST_MATCH) &&
+ (state_new.flags & _DB_IST_N_FINISHED) &&
+ (state_new.flags & _DB_IST_X_PREFIX)) {
+ /* yes - the new tree is "shorter" */
+ cnt += _db_tree_remove(&state->sx->chains,
+ x_iter);
+ if (state->sx->chains == NULL)
+ goto prune_return;
+ } else if (!_db_tree_act_check(x_iter, state_new.action)
+ && (state_new.flags & _DB_IST_MATCH) &&
+ (state_new.flags & _DB_IST_X_FINISHED) &&
+ (state_new.flags & _DB_IST_N_PREFIX)) {
+ /* no - the new tree is "longer" */
+ goto prune_return;
+ }
+ } else if (_db_chain_lt(x_iter, n_iter)) {
+ /* bail if we have a prefix on the new tree */
+ if (state->flags & _DB_IST_N_PREFIX)
+ goto prune_return;
+
+ /* check the next level in the existing tree */
+ if (x_iter->nxt_t) {
+ _db_node_get(x_iter);
+ state_nxt = *state;
+ state_nxt.flags &= ~_DB_IST_MATCH;
+ state_nxt.flags |= _DB_IST_X_PREFIX;
+ cnt += _db_tree_prune(&x_iter->nxt_t, n_iter,
+ &state_nxt);
+ cnt += _db_node_put(&x_iter);
+ if (state_nxt.flags & _DB_IST_MATCH) {
+ state_new.flags |= state_nxt.flags;
+ goto prune_return;
+ }
+ if (x_iter == NULL)
+ goto prune_next_node;
+ }
+ if (x_iter->nxt_f) {
+ _db_node_get(x_iter);
+ state_nxt = *state;
+ state_nxt.flags &= ~_DB_IST_MATCH;
+ state_nxt.flags |= _DB_IST_X_PREFIX;
+ cnt += _db_tree_prune(&x_iter->nxt_f, n_iter,
+ &state_nxt);
+ cnt += _db_node_put(&x_iter);
+ if (state_nxt.flags & _DB_IST_MATCH) {
+ state_new.flags |= state_nxt.flags;
+ goto prune_return;
+ }
+ if (x_iter == NULL)
+ goto prune_next_node;
+ }
+ } else {
+ /* bail if we have a prefix on the existing tree */
+ if (state->flags & _DB_IST_X_PREFIX)
+ goto prune_return;
+
+ /* check the next level in the new tree */
+ if (n_iter->nxt_t) {
+ _db_node_get(x_iter);
+ state_nxt = *state;
+ state_nxt.flags &= ~_DB_IST_MATCH;
+ state_nxt.flags |= _DB_IST_N_PREFIX;
+ cnt += _db_tree_prune(&x_iter, n_iter->nxt_t,
+ &state_nxt);
+ cnt += _db_node_put(&x_iter);
+ if (state_nxt.flags & _DB_IST_MATCH) {
+ state_new.flags |= state_nxt.flags;
+ goto prune_return;
+ }
+ if (x_iter == NULL)
+ goto prune_next_node;
+ }
+ if (n_iter->nxt_f) {
+ _db_node_get(x_iter);
+ state_nxt = *state;
+ state_nxt.flags &= ~_DB_IST_MATCH;
+ state_nxt.flags |= _DB_IST_N_PREFIX;
+ cnt += _db_tree_prune(&x_iter, n_iter->nxt_f,
+ &state_nxt);
+ cnt += _db_node_put(&x_iter);
+ if (state_nxt.flags & _DB_IST_MATCH) {
+ state_new.flags |= state_nxt.flags;
+ goto prune_return;
+ }
+ if (x_iter == NULL)
+ goto prune_next_node;
+ }
+ }
+
+prune_next_node:
+ /* check next node on this level */
+ x_iter = x_iter_next;
+ } while (x_iter);
+
+ // if we are falling through, we clearly didn't match on anything
+ state_new.flags &= ~_DB_IST_MATCH;
+
+prune_return:
+ /* no more nodes on this level, return to the level above */
+ if (state_new.flags & _DB_IST_MATCH)
+ state->flags |= state_new.flags;
+ else
+ state->flags &= ~_DB_IST_MATCH;
+ return cnt;
+}
+
+/**
+ * Add a new tree into an existing tree
+ * @param existing pointer to the existing tree
+ * @param new pointer to the new tree
+ * @param state pointer to a state structure
+ *
+ * This function adds the new tree into the existing tree, fetching additional
+ * references as necessary. Returns zero on success, negative values on
+ * failure.
+ *
+ */
+static int _db_tree_add(struct db_arg_chain_tree **existing,
+ struct db_arg_chain_tree *new,
+ struct db_iter_state *state)
+{
+ int rc;
+ struct db_arg_chain_tree *x_iter = *existing;
+ struct db_arg_chain_tree *n_iter = new;
+
+ do {
+ if (_db_chain_eq(x_iter, n_iter)) {
+ if (n_iter->act_t_flg) {
+ if (!x_iter->act_t_flg) {
+ /* new node has a true action */
+
+ /* do the actions match? */
+ rc = _db_tree_act_check(x_iter->nxt_t,
+ n_iter->act_t);
+ if (rc != 0)
+ return rc;
+
+ /* update with the new action */
+ rc = _db_node_put(&x_iter->nxt_t);
+ x_iter->nxt_t = NULL;
+ x_iter->act_t = n_iter->act_t;
+ x_iter->act_t_flg = true;
+ state->sx->node_cnt -= rc;
+ } else if (n_iter->act_t != x_iter->act_t) {
+ /* if we are dealing with a 64-bit
+ * comparison, we need to adjust our
+ * action based on the full 64-bit
+ * value to ensure we handle GT/GE
+ * comparisons correctly */
+ if (n_iter->arg_h_flg &&
+ (n_iter->datum_full >
+ x_iter->datum_full))
+ x_iter->act_t = n_iter->act_t;
+ if (_db_chain_leaf(x_iter) ||
+ _db_chain_leaf(n_iter))
+ return -EEXIST;
+ }
+ }
+ if (n_iter->act_f_flg) {
+ if (!x_iter->act_f_flg) {
+ /* new node has a false action */
+
+ /* do the actions match? */
+ rc = _db_tree_act_check(x_iter->nxt_f,
+ n_iter->act_f);
+ if (rc != 0)
+ return rc;
+
+ /* update with the new action */
+ rc = _db_node_put(&x_iter->nxt_f);
+ x_iter->nxt_f = NULL;
+ x_iter->act_f = n_iter->act_f;
+ x_iter->act_f_flg = true;
+ state->sx->node_cnt -= rc;
+ } else if (n_iter->act_f != x_iter->act_f) {
+ /* if we are dealing with a 64-bit
+ * comparison, we need to adjust our
+ * action based on the full 64-bit
+ * value to ensure we handle LT/LE
+ * comparisons correctly */
+ if (n_iter->arg_h_flg &&
+ (n_iter->datum_full <
+ x_iter->datum_full))
+ x_iter->act_t = n_iter->act_t;
+ if (_db_chain_leaf(x_iter) ||
+ _db_chain_leaf(n_iter))
+ return -EEXIST;
+ }
+ }
+
+ if (n_iter->nxt_t) {
+ if (x_iter->nxt_t) {
+ /* compare the next level */
+ rc = _db_tree_add(&x_iter->nxt_t,
+ n_iter->nxt_t,
+ state);
+ if (rc != 0)
+ return rc;
+ } else if (!x_iter->act_t_flg) {
+ /* add a new sub-tree */
+ x_iter->nxt_t = _db_node_get(n_iter->nxt_t);
+ } else
+ /* done - existing tree is "shorter" */
+ return 0;
+ }
+ if (n_iter->nxt_f) {
+ if (x_iter->nxt_f) {
+ /* compare the next level */
+ rc = _db_tree_add(&x_iter->nxt_f,
+ n_iter->nxt_f,
+ state);
+ if (rc != 0)
+ return rc;
+ } else if (!x_iter->act_f_flg) {
+ /* add a new sub-tree */
+ x_iter->nxt_f = _db_node_get(n_iter->nxt_f);
+ } else
+ /* done - existing tree is "shorter" */
+ return 0;
+ }
+
+ return 0;
+ } else if (!_db_chain_lt(x_iter, n_iter)) {
+ /* try to move along the current level */
+ if (x_iter->lvl_nxt == NULL) {
+ /* add to the end of this level */
+ n_iter->lvl_prv = _db_node_get(x_iter);
+ x_iter->lvl_nxt = _db_node_get(n_iter);
+ return 0;
+ } else
+ /* next */
+ x_iter = x_iter->lvl_nxt;
+ } else {
+ /* add before the existing node on this level*/
+ if (x_iter->lvl_prv != NULL) {
+ x_iter->lvl_prv->lvl_nxt = _db_node_get(n_iter);
+ n_iter->lvl_prv = x_iter->lvl_prv;
+ x_iter->lvl_prv = _db_node_get(n_iter);
+ n_iter->lvl_nxt = x_iter;
+ } else {
+ x_iter->lvl_prv = _db_node_get(n_iter);
+ n_iter->lvl_nxt = _db_node_get(x_iter);
+ }
+ if (*existing == x_iter) {
+ *existing = _db_node_get(n_iter);
+ _db_node_put(&x_iter);
+ }
+ return 0;
+ }
+ } while (x_iter);
+
+ return 0;
+}
+
+/**
+ * Free and reset the seccomp filter DB
+ * @param db the seccomp filter DB
+ *
+ * This function frees any existing filters and resets the filter DB to a
+ * default state; only the DB architecture is preserved.
+ *
+ */
+static void _db_reset(struct db_filter *db)
+{
+ struct db_sys_list *s_iter;
+ struct db_api_rule_list *r_iter;
+
+ if (db == NULL)
+ return;
+
+ /* free any filters */
+ if (db->syscalls != NULL) {
+ s_iter = db->syscalls;
+ while (s_iter != NULL) {
+ db->syscalls = s_iter->next;
+ _db_tree_put(&s_iter->chains);
+ free(s_iter);
+ s_iter = db->syscalls;
+ }
+ db->syscalls = NULL;
+ }
+ db->syscall_cnt = 0;
+
+ /* free any rules */
+ if (db->rules != NULL) {
+ /* split the loop first then loop and free */
+ db->rules->prev->next = NULL;
+ r_iter = db->rules;
+ while (r_iter != NULL) {
+ db->rules = r_iter->next;
+ free(r_iter);
+ r_iter = db->rules;
+ }
+ db->rules = NULL;
+ }
+}
+
+/**
+ * Intitalize a seccomp filter DB
+ * @param arch the architecture definition
+ *
+ * This function initializes a seccomp filter DB and readies it for use.
+ * Returns a pointer to the DB on success, NULL on failure.
+ *
+ */
+static struct db_filter *_db_init(const struct arch_def *arch)
+{
+ struct db_filter *db;
+
+ db = zmalloc(sizeof(*db));
+ if (db == NULL)
+ return NULL;
+
+ /* set the arch and reset the DB to a known state */
+ db->arch = arch;
+ _db_reset(db);
+
+ return db;
+}
+
+/**
+ * Destroy a seccomp filter DB
+ * @param db the seccomp filter DB
+ *
+ * This function destroys a seccomp filter DB. After calling this function,
+ * the filter should no longer be referenced.
+ *
+ */
+static void _db_release(struct db_filter *db)
+{
+ if (db == NULL)
+ return;
+
+ /* free and reset the DB */
+ _db_reset(db);
+ free(db);
+}
+
+/**
+ * Destroy a seccomp filter snapshot
+ * @param snap the seccomp filter snapshot
+ *
+ * This function destroys a seccomp filter snapshot. After calling this
+ * function, the snapshot should no longer be referenced.
+ *
+ */
+static void _db_snap_release(struct db_filter_snap *snap)
+{
+ unsigned int iter;
+
+ if (snap == NULL)
+ return;
+
+ if (snap->filter_cnt > 0) {
+ for (iter = 0; iter < snap->filter_cnt; iter++) {
+ if (snap->filters[iter])
+ _db_release(snap->filters[iter]);
+ }
+ free(snap->filters);
+ }
+ free(snap);
+}
+
+/**
+ * Update the user specified portion of the syscall priority
+ * @param db the seccomp filter db
+ * @param syscall the syscall number
+ * @param priority the syscall priority
+ *
+ * This function sets, or updates, the syscall priority; the highest priority
+ * value between the existing and specified value becomes the new syscall
+ * priority. If the syscall entry does not already exist, a new phantom
+ * syscall entry is created as a placeholder. Returns zero on success,
+ * negative values on failure.
+ *
+ */
+static int _db_syscall_priority(struct db_filter *db,
+ int syscall, uint8_t priority)
+{
+ unsigned int sys_pri = _DB_PRI_USER(priority);
+ struct db_sys_list *s_new, *s_iter, *s_prev = NULL;
+
+ assert(db != NULL);
+
+ s_iter = db->syscalls;
+ while (s_iter != NULL && s_iter->num < syscall) {
+ s_prev = s_iter;
+ s_iter = s_iter->next;
+ }
+
+ /* matched an existing syscall entry */
+ if (s_iter != NULL && s_iter->num == syscall) {
+ if (sys_pri > (s_iter->priority & _DB_PRI_MASK_USER)) {
+ s_iter->priority &= (~_DB_PRI_MASK_USER);
+ s_iter->priority |= sys_pri;
+ }
+ return 0;
+ }
+
+ /* no existing syscall entry - create a phantom entry */
+ s_new = zmalloc(sizeof(*s_new));
+ if (s_new == NULL)
+ return -ENOMEM;
+ s_new->num = syscall;
+ s_new->priority = sys_pri;
+ s_new->valid = false;
+
+ /* add it before s_iter */
+ if (s_prev != NULL) {
+ s_new->next = s_prev->next;
+ s_prev->next = s_new;
+ } else {
+ s_new->next = db->syscalls;
+ db->syscalls = s_new;
+ }
+
+ return 0;
+}
+
+/**
+ * Create a new rule
+ * @param strict the strict value
+ * @param action the rule's action
+ * @param syscall the syscall number
+ * @param chain the syscall argument filter
+ *
+ * This function creates a new rule structure based on the given arguments.
+ * Returns a pointer to the new rule on success, NULL on failure.
+ *
+ */
+static struct db_api_rule_list *_db_rule_new(bool strict,
+ uint32_t action, int syscall,
+ struct db_api_arg *chain)
+{
+ struct db_api_rule_list *rule;
+
+ rule = zmalloc(sizeof(*rule));
+ if (rule == NULL)
+ return NULL;
+ rule->action = action;
+ rule->syscall = syscall;
+ rule->strict = strict;
+ memcpy(rule->args, chain, sizeof(*chain) * ARG_COUNT_MAX);
+
+ return rule;
+}
+
+/**
+ * Duplicate an existing filter rule
+ * @param src the rule to duplicate
+ *
+ * This function makes an exact copy of the given rule, but does not add it
+ * to any lists. Returns a pointer to the new rule on success, NULL on
+ * failure.
+ *
+ */
+struct db_api_rule_list *db_rule_dup(const struct db_api_rule_list *src)
+{
+ struct db_api_rule_list *dest;
+
+ dest = malloc(sizeof(*dest));
+ if (dest == NULL)
+ return NULL;
+ memcpy(dest, src, sizeof(*dest));
+ dest->prev = NULL;
+ dest->next = NULL;
+
+ return dest;
+}
+
+/**
+ * Free and reset the seccomp filter collection
+ * @param col the seccomp filter collection
+ * @param def_action the default filter action
+ *
+ * This function frees any existing filter DBs and resets the collection to a
+ * default state. In the case of failure the filter collection may be in an
+ * unknown state and should be released. Returns zero on success, negative
+ * values on failure.
+ *
+ */
+int db_col_reset(struct db_filter_col *col, uint32_t def_action)
+{
+ unsigned int iter;
+ struct db_filter *db;
+ struct db_filter_snap *snap;
+
+ if (col == NULL)
+ return -EINVAL;
+
+ /* free any filters */
+ for (iter = 0; iter < col->filter_cnt; iter++)
+ _db_release(col->filters[iter]);
+ col->filter_cnt = 0;
+ if (col->filters)
+ free(col->filters);
+ col->filters = NULL;
+
+ /* set the endianess to undefined */
+ col->endian = 0;
+
+ /* set the default attribute values */
+ col->attr.act_default = def_action;
+ col->attr.act_badarch = SCMP_ACT_KILL;
+ col->attr.nnp_enable = 1;
+ col->attr.tsync_enable = 0;
+ col->attr.api_tskip = 0;
+ col->attr.log_enable = 0;
+ col->attr.spec_allow = 0;
+ col->attr.optimize = 1;
+ col->attr.api_sysrawrc = 0;
+
+ /* set the state */
+ col->state = _DB_STA_VALID;
+ if (def_action == SCMP_ACT_NOTIFY)
+ col->notify_used = true;
+ else
+ col->notify_used = false;
+
+ /* reset the initial db */
+ db = _db_init(arch_def_native);
+ if (db == NULL)
+ return -ENOMEM;
+ if (db_col_db_add(col, db) < 0) {
+ _db_release(db);
+ return -ENOMEM;
+ }
+
+ /* reset the transactions */
+ while (col->snapshots) {
+ snap = col->snapshots;
+ col->snapshots = snap->next;
+ for (iter = 0; iter < snap->filter_cnt; iter++)
+ _db_release(snap->filters[iter]);
+ free(snap->filters);
+ free(snap);
+ }
+
+ return 0;
+}
+
+/**
+ * Intitalize a seccomp filter collection
+ * @param def_action the default filter action
+ *
+ * This function initializes a seccomp filter collection and readies it for
+ * use. Returns a pointer to the collection on success, NULL on failure.
+ *
+ */
+struct db_filter_col *db_col_init(uint32_t def_action)
+{
+ struct db_filter_col *col;
+
+ col = zmalloc(sizeof(*col));
+ if (col == NULL)
+ return NULL;
+
+ /* reset the DB to a known state */
+ if (db_col_reset(col, def_action) < 0)
+ goto init_failure;
+
+ return col;
+
+init_failure:
+ db_col_release(col);
+ return NULL;
+}
+
+/**
+ * Destroy a seccomp filter collection
+ * @param col the seccomp filter collection
+ *
+ * This function destroys a seccomp filter collection. After calling this
+ * function, the filter should no longer be referenced.
+ *
+ */
+void db_col_release(struct db_filter_col *col)
+{
+ unsigned int iter;
+ struct db_filter_snap *snap;
+
+ if (col == NULL)
+ return;
+
+ /* set the state, just in case */
+ col->state = _DB_STA_FREED;
+
+ /* free any snapshots */
+ while (col->snapshots != NULL) {
+ snap = col->snapshots;
+ col->snapshots = snap->next;
+ _db_snap_release(snap);
+ }
+
+ /* free any filters */
+ for (iter = 0; iter < col->filter_cnt; iter++)
+ _db_release(col->filters[iter]);
+ col->filter_cnt = 0;
+ if (col->filters)
+ free(col->filters);
+ col->filters = NULL;
+
+ /* free the collection */
+ free(col);
+}
+
+/**
+ * Validate a filter collection
+ * @param col the seccomp filter collection
+ *
+ * This function validates a seccomp filter collection. Returns zero if the
+ * collection is valid, negative values on failure.
+ *
+ */
+int db_col_valid(struct db_filter_col *col)
+{
+ if (col != NULL && col->state == _DB_STA_VALID && col->filter_cnt > 0)
+ return 0;
+ return -EINVAL;
+}
+
+/**
+ * Validate the seccomp action
+ * @param col the seccomp filter collection
+ * @param action the seccomp action
+ *
+ * Verify that the given action is a valid seccomp action; return zero if
+ * valid, -EINVAL if invalid.
+ */
+int db_col_action_valid(const struct db_filter_col *col, uint32_t action)
+{
+ if (col != NULL) {
+ /* NOTE: in some cases we don't have a filter collection yet,
+ * but when we do we need to do the following checks */
+
+ /* kernel disallows TSYNC and NOTIFY in one filter unless we
+ * have the TSYNC_ESRCH flag */
+ if (sys_chk_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC_ESRCH) < 1 &&
+ col->attr.tsync_enable && action == SCMP_ACT_NOTIFY)
+ return -EINVAL;
+ }
+
+ if (sys_chk_seccomp_action(action) == 1)
+ return 0;
+ return -EINVAL;
+}
+
+/**
+ * Merge two filter collections
+ * @param col_dst the destination filter collection
+ * @param col_src the source filter collection
+ *
+ * This function merges two filter collections into the given destination
+ * collection. The source filter collection is no longer valid if the function
+ * returns successfully. Returns zero on success, negative values on failure.
+ *
+ */
+int db_col_merge(struct db_filter_col *col_dst, struct db_filter_col *col_src)
+{
+ unsigned int iter_a, iter_b;
+ struct db_filter **dbs;
+
+ /* verify that the endianess is a match */
+ if (col_dst->endian != col_src->endian)
+ return -EDOM;
+
+ /* make sure we don't have any arch/filter collisions */
+ for (iter_a = 0; iter_a < col_dst->filter_cnt; iter_a++) {
+ for (iter_b = 0; iter_b < col_src->filter_cnt; iter_b++) {
+ if (col_dst->filters[iter_a]->arch->token ==
+ col_src->filters[iter_b]->arch->token)
+ return -EEXIST;
+ }
+ }
+
+ /* expand the destination */
+ dbs = realloc(col_dst->filters,
+ sizeof(struct db_filter *) *
+ (col_dst->filter_cnt + col_src->filter_cnt));
+ if (dbs == NULL)
+ return -ENOMEM;
+ col_dst->filters = dbs;
+
+ /* transfer the architecture filters */
+ for (iter_a = col_dst->filter_cnt, iter_b = 0;
+ iter_b < col_src->filter_cnt; iter_a++, iter_b++) {
+ col_dst->filters[iter_a] = col_src->filters[iter_b];
+ col_dst->filter_cnt++;
+ }
+
+ /* free the source */
+ col_src->filter_cnt = 0;
+ db_col_release(col_src);
+
+ return 0;
+}
+
+/**
+ * Check to see if an architecture filter exists in the filter collection
+ * @param col the seccomp filter collection
+ * @param arch_token the architecture token
+ *
+ * Iterate through the given filter collection checking to see if a filter
+ * exists for the specified architecture. Returns -EEXIST if a filter is found,
+ * zero if a matching filter does not exist.
+ *
+ */
+int db_col_arch_exist(struct db_filter_col *col, uint32_t arch_token)
+{
+ unsigned int iter;
+
+ for (iter = 0; iter < col->filter_cnt; iter++)
+ if (col->filters[iter]->arch->token == arch_token)
+ return -EEXIST;
+
+ return 0;
+}
+
+/**
+ * Get a filter attribute
+ * @param col the seccomp filter collection
+ * @param attr the filter attribute
+ * @param value the filter attribute value
+ *
+ * Get the requested filter attribute and provide it via @value. Returns zero
+ * on success, negative values on failure.
+ *
+ */
+int db_col_attr_get(const struct db_filter_col *col,
+ enum scmp_filter_attr attr, uint32_t *value)
+{
+ int rc = 0;
+
+ switch (attr) {
+ case SCMP_FLTATR_ACT_DEFAULT:
+ *value = col->attr.act_default;
+ break;
+ case SCMP_FLTATR_ACT_BADARCH:
+ *value = col->attr.act_badarch;
+ break;
+ case SCMP_FLTATR_CTL_NNP:
+ *value = col->attr.nnp_enable;
+ break;
+ case SCMP_FLTATR_CTL_TSYNC:
+ *value = col->attr.tsync_enable;
+ break;
+ case SCMP_FLTATR_API_TSKIP:
+ *value = col->attr.api_tskip;
+ break;
+ case SCMP_FLTATR_CTL_LOG:
+ *value = col->attr.log_enable;
+ break;
+ case SCMP_FLTATR_CTL_SSB:
+ *value = col->attr.spec_allow;
+ break;
+ case SCMP_FLTATR_CTL_OPTIMIZE:
+ *value = col->attr.optimize;
+ break;
+ case SCMP_FLTATR_API_SYSRAWRC:
+ *value = col->attr.api_sysrawrc;
+ break;
+ default:
+ rc = -EINVAL;
+ break;
+ }
+
+ return rc;
+}
+
+/**
+ * Get a filter attribute
+ * @param col the seccomp filter collection
+ * @param attr the filter attribute
+ *
+ * Returns the requested filter attribute value with zero on any error.
+ * Special care must be given with this function as error conditions can be
+ * hidden from the caller.
+ *
+ */
+uint32_t db_col_attr_read(const struct db_filter_col *col,
+ enum scmp_filter_attr attr)
+{
+ uint32_t value = 0;
+
+ db_col_attr_get(col, attr, &value);
+ return value;
+}
+
+/**
+ * Set a filter attribute
+ * @param col the seccomp filter collection
+ * @param attr the filter attribute
+ * @param value the filter attribute value
+ *
+ * Set the requested filter attribute with the given value. Returns zero on
+ * success, negative values on failure.
+ *
+ */
+int db_col_attr_set(struct db_filter_col *col,
+ enum scmp_filter_attr attr, uint32_t value)
+{
+ int rc = 0;
+
+ switch (attr) {
+ case SCMP_FLTATR_ACT_DEFAULT:
+ /* read only */
+ return -EACCES;
+ break;
+ case SCMP_FLTATR_ACT_BADARCH:
+ if (db_col_action_valid(col, value) == 0)
+ col->attr.act_badarch = value;
+ else
+ return -EINVAL;
+ break;
+ case SCMP_FLTATR_CTL_NNP:
+ col->attr.nnp_enable = (value ? 1 : 0);
+ break;
+ case SCMP_FLTATR_CTL_TSYNC:
+ rc = sys_chk_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC);
+ if (rc == 1) {
+ /* supported */
+ rc = 0;
+ /* kernel disallows TSYNC and NOTIFY in one filter
+ * unless we have TSYNC_ESRCH */
+ if (sys_chk_seccomp_flag(SECCOMP_FILTER_FLAG_TSYNC_ESRCH) < 1 &&
+ value && col->notify_used)
+ return -EINVAL;
+ col->attr.tsync_enable = (value ? 1 : 0);
+ } else if (rc == 0)
+ /* unsupported */
+ rc = -EOPNOTSUPP;
+ break;
+ case SCMP_FLTATR_API_TSKIP:
+ col->attr.api_tskip = (value ? 1 : 0);
+ break;
+ case SCMP_FLTATR_CTL_LOG:
+ rc = sys_chk_seccomp_flag(SECCOMP_FILTER_FLAG_LOG);
+ if (rc == 1) {
+ /* supported */
+ rc = 0;
+ col->attr.log_enable = (value ? 1 : 0);
+ } else if (rc == 0) {
+ /* unsupported */
+ rc = -EOPNOTSUPP;
+ }
+ break;
+ case SCMP_FLTATR_CTL_SSB:
+ rc = sys_chk_seccomp_flag(SECCOMP_FILTER_FLAG_SPEC_ALLOW);
+ if (rc == 1) {
+ /* supported */
+ rc = 0;
+ col->attr.spec_allow = (value ? 1 : 0);
+ } else if (rc == 0) {
+ /* unsupported */
+ rc = -EOPNOTSUPP;
+ }
+ break;
+ case SCMP_FLTATR_CTL_OPTIMIZE:
+ switch (value) {
+ case 1:
+ case 2:
+ col->attr.optimize = value;
+ break;
+ default:
+ rc = -EOPNOTSUPP;
+ break;
+ }
+ break;
+ case SCMP_FLTATR_API_SYSRAWRC:
+ col->attr.api_sysrawrc = (value ? 1 : 0);
+ break;
+ default:
+ rc = -EINVAL;
+ break;
+ }
+
+ return rc;
+}
+
+/**
+ * Add a new architecture filter to a filter collection
+ * @param col the seccomp filter collection
+ * @param arch the architecture
+ *
+ * This function adds a new architecture filter DB to an existing seccomp
+ * filter collection assuming there isn't a filter DB already present with the
+ * same architecture. Returns zero on success, negative values on failure.
+ *
+ */
+int db_col_db_new(struct db_filter_col *col, const struct arch_def *arch)
+{
+ int rc;
+ struct db_filter *db;
+
+ db = _db_init(arch);
+ if (db == NULL)
+ return -ENOMEM;
+ rc = db_col_db_add(col, db);
+ if (rc < 0)
+ _db_release(db);
+
+ return rc;
+}
+
+/**
+ * Add a new filter DB to a filter collection
+ * @param col the seccomp filter collection
+ * @param db the seccomp filter DB
+ *
+ * This function adds an existing seccomp filter DB to an existing seccomp
+ * filter collection assuming there isn't a filter DB already present with the
+ * same architecture. Returns zero on success, negative values on failure.
+ *
+ */
+int db_col_db_add(struct db_filter_col *col, struct db_filter *db)
+{
+ struct db_filter **dbs;
+
+ if (col->endian != 0 && col->endian != db->arch->endian)
+ return -EDOM;
+
+ if (db_col_arch_exist(col, db->arch->token))
+ return -EEXIST;
+
+ dbs = realloc(col->filters,
+ sizeof(struct db_filter *) * (col->filter_cnt + 1));
+ if (dbs == NULL)
+ return -ENOMEM;
+ col->filters = dbs;
+ col->filter_cnt++;
+ col->filters[col->filter_cnt - 1] = db;
+ if (col->endian == 0)
+ col->endian = db->arch->endian;
+
+ return 0;
+}
+
+/**
+ * Remove a filter DB from a filter collection
+ * @param col the seccomp filter collection
+ * @param arch_token the architecture token
+ *
+ * This function removes an existing seccomp filter DB from an existing seccomp
+ * filter collection. Returns zero on success, negative values on failure.
+ *
+ */
+int db_col_db_remove(struct db_filter_col *col, uint32_t arch_token)
+{
+ unsigned int iter;
+ unsigned int found;
+ struct db_filter **dbs;
+
+ if ((col->filter_cnt <= 0) || (db_col_arch_exist(col, arch_token) == 0))
+ return -EINVAL;
+
+ for (found = 0, iter = 0; iter < col->filter_cnt; iter++) {
+ if (found)
+ col->filters[iter - 1] = col->filters[iter];
+ else if (col->filters[iter]->arch->token == arch_token) {
+ _db_release(col->filters[iter]);
+ found = 1;
+ }
+ }
+ col->filters[--col->filter_cnt] = NULL;
+
+ if (col->filter_cnt > 0) {
+ /* NOTE: if we can't do the realloc it isn't fatal, we just
+ * have some extra space allocated */
+ dbs = realloc(col->filters,
+ sizeof(struct db_filter *) * col->filter_cnt);
+ if (dbs != NULL)
+ col->filters = dbs;
+ } else {
+ /* this was the last filter so free all the associated memory
+ * and reset the endian token */
+ free(col->filters);
+ col->filters = NULL;
+ col->endian = 0;
+ }
+
+ return 0;
+}
+
+/**
+ * Test if the argument filter can be skipped because it's a tautology
+ * @param arg argument filter
+ *
+ * If this argument filter applied to the lower 32 bit can be skipped this
+ * function returns false.
+ *
+ */
+static bool _db_arg_cmp_need_lo(const struct db_api_arg *arg)
+{
+ if (arg->op == SCMP_CMP_MASKED_EQ && D64_LO(arg->mask) == 0)
+ return false;
+
+ return true;
+}
+
+/**
+ * Test if the argument filter can be skipped because it's a tautology
+ * @param arg argument filter
+ *
+ * If this argument filter applied to the upper 32 bit can be skipped this
+ * function returns false.
+ *
+ */
+static bool _db_arg_cmp_need_hi(const struct db_api_arg *arg)
+{
+ if (arg->op == SCMP_CMP_MASKED_EQ && D64_HI(arg->mask) == 0)
+ return false;
+
+ return true;
+}
+
+/**
+ * Fixup the node based on the op/mask
+ * @param node the chain node
+ *
+ * Ensure the datum is masked as well.
+ *
+ */
+static void _db_node_mask_fixup(struct db_arg_chain_tree *node)
+{
+ node->datum &= node->mask;
+}
+
+/**
+ * Generate a new filter rule for a 64 bit system
+ * @param arch the architecture definition
+ * @param rule the new filter rule
+ *
+ * This function generates a new syscall filter for a 64 bit system. Returns
+ * zero on success, negative values on failure.
+ *
+ */
+static struct db_sys_list *_db_rule_gen_64(const struct arch_def *arch,
+ const struct db_api_rule_list *rule)
+{
+ unsigned int iter;
+ struct db_sys_list *s_new;
+ const struct db_api_arg *chain = rule->args;
+ struct db_arg_chain_tree *c_iter[3] = { NULL, NULL, NULL };
+ struct db_arg_chain_tree *c_prev[3] = { NULL, NULL, NULL };
+ enum scmp_compare op_prev = _SCMP_CMP_MIN;
+ unsigned int arg;
+ scmp_datum_t mask;
+ scmp_datum_t datum;
+
+ s_new = zmalloc(sizeof(*s_new));
+ if (s_new == NULL)
+ return NULL;
+ s_new->num = rule->syscall;
+ s_new->valid = true;
+ /* run through the argument chain */
+ for (iter = 0; iter < ARG_COUNT_MAX; iter++) {
+ if (chain[iter].valid == 0)
+ continue;
+
+ /* TODO: handle the case were either hi or lo isn't needed */
+
+ /* skip generating instruction which are no-ops */
+ if (!_db_arg_cmp_need_hi(&chain[iter]) &&
+ !_db_arg_cmp_need_lo(&chain[iter]))
+ continue;
+
+ c_iter[0] = zmalloc(sizeof(*c_iter[0]));
+ if (c_iter[0] == NULL)
+ goto gen_64_failure;
+ c_iter[1] = zmalloc(sizeof(*c_iter[1]));
+ if (c_iter[1] == NULL) {
+ free(c_iter[0]);
+ goto gen_64_failure;
+ }
+ c_iter[2] = NULL;
+
+ arg = chain[iter].arg;
+ mask = chain[iter].mask;
+ datum = chain[iter].datum;
+
+ /* NOTE: with the idea that a picture is worth a thousand
+ * words, i'm presenting the following diagrams which
+ * show how we should compare 64-bit syscall arguments
+ * using 32-bit comparisons.
+ *
+ * in the diagrams below "A(x)" is the syscall argument
+ * being evaluated and "R(x)" is the syscall argument
+ * value specified in the libseccomp rule. the "ACCEPT"
+ * verdict indicates a rule match and processing should
+ * continue on to the rest of the rule, or the final rule
+ * action should be triggered. the "REJECT" verdict
+ * indicates that the rule does not match and processing
+ * should continue to the next rule or the default
+ * action.
+ *
+ * SCMP_CMP_GT:
+ * +------------------+
+ * +--| Ah(x) > Rh(x) |------+
+ * | +------------------+ |
+ * FALSE TRUE A
+ * | | C
+ * +-----------+ +----> C
+ * v +----> E
+ * +------------------+ | P
+ * +--| Ah(x) == Rh(x) |--+ | T
+ * R | +------------------+ | |
+ * E FALSE TRUE |
+ * J <----+ | |
+ * E <----+ +------------+ |
+ * C FALSE v |
+ * T | +------------------+ |
+ * +--| Al(x) > Rl(x) |------+
+ * +------------------+
+ *
+ * SCMP_CMP_GE:
+ * +------------------+
+ * +--| Ah(x) > Rh(x) |------+
+ * | +------------------+ |
+ * FALSE TRUE A
+ * | | C
+ * +-----------+ +----> C
+ * v +----> E
+ * +------------------+ | P
+ * +--| Ah(x) == Rh(x) |--+ | T
+ * R | +------------------+ | |
+ * E FALSE TRUE |
+ * J <----+ | |
+ * E <----+ +------------+ |
+ * C FALSE v |
+ * T | +------------------+ |
+ * +--| Al(x) >= Rl(x) |------+
+ * +------------------+
+ *
+ * SCMP_CMP_LT:
+ * +------------------+
+ * +--| Ah(x) > Rh(x) |------+
+ * | +------------------+ |
+ * FALSE TRUE R
+ * | | E
+ * +-----------+ +----> J
+ * v +----> E
+ * +------------------+ | C
+ * +--| Ah(x) == Rh(x) |--+ | T
+ * A | +------------------+ | |
+ * C FALSE TRUE |
+ * C <----+ | |
+ * E <----+ +------------+ |
+ * P FALSE v |
+ * T | +------------------+ |
+ * +--| Al(x) >= Rl(x) |------+
+ * +------------------+
+ *
+ * SCMP_CMP_LE:
+ * +------------------+
+ * +--| Ah(x) > Rh(x) |------+
+ * | +------------------+ |
+ * FALSE TRUE R
+ * | | E
+ * +-----------+ +----> J
+ * v +----> E
+ * +------------------+ | C
+ * +--| Ah(x) == Rh(x) |--+ | T
+ * A | +------------------+ | |
+ * C FALSE TRUE |
+ * C <----+ | |
+ * E <----+ +------------+ |
+ * P FALSE v |
+ * T | +------------------+ |
+ * +--| Al(x) > Rl(x) |------+
+ * +------------------+
+ *
+ * SCMP_CMP_EQ:
+ * +------------------+
+ * +--| Ah(x) == Rh(x) |--+
+ * R | +------------------+ | A
+ * E FALSE TRUE C
+ * J <----+ | C
+ * E <----+ +------------+ +----> E
+ * C FALSE v | P
+ * T | +------------------+ | T
+ * +--| Al(x) == Rl(x) |------+
+ * +------------------+
+ *
+ * SCMP_CMP_NE:
+ * +------------------+
+ * +--| Ah(x) == Rh(x) |--+
+ * A | +------------------+ | R
+ * C FALSE TRUE E
+ * C <----+ | J
+ * E <----+ +------------+ +----> E
+ * P FALSE v | C
+ * T | +------------------+ | T
+ * +--| Al(x) == Rl(x) |------+
+ * +------------------+
+ *
+ */
+
+ /* setup the level */
+ switch (chain[iter].op) {
+ case SCMP_CMP_GT:
+ case SCMP_CMP_GE:
+ case SCMP_CMP_LE:
+ case SCMP_CMP_LT:
+ c_iter[2] = zmalloc(sizeof(*c_iter[2]));
+ if (c_iter[2] == NULL) {
+ free(c_iter[0]);
+ free(c_iter[1]);
+ goto gen_64_failure;
+ }
+
+ c_iter[0]->arg = arg;
+ c_iter[1]->arg = arg;
+ c_iter[2]->arg = arg;
+ c_iter[0]->arg_h_flg = true;
+ c_iter[1]->arg_h_flg = true;
+ c_iter[2]->arg_h_flg = false;
+ c_iter[0]->arg_offset = arch_arg_offset_hi(arch, arg);
+ c_iter[1]->arg_offset = arch_arg_offset_hi(arch, arg);
+ c_iter[2]->arg_offset = arch_arg_offset_lo(arch, arg);
+
+ c_iter[0]->mask = D64_HI(mask);
+ c_iter[1]->mask = D64_HI(mask);
+ c_iter[2]->mask = D64_LO(mask);
+ c_iter[0]->datum = D64_HI(datum);
+ c_iter[1]->datum = D64_HI(datum);
+ c_iter[2]->datum = D64_LO(datum);
+ c_iter[0]->datum_full = datum;
+ c_iter[1]->datum_full = datum;
+ c_iter[2]->datum_full = datum;
+
+ _db_node_mask_fixup(c_iter[0]);
+ _db_node_mask_fixup(c_iter[1]);
+ _db_node_mask_fixup(c_iter[2]);
+
+ c_iter[0]->op = SCMP_CMP_GT;
+ c_iter[1]->op = SCMP_CMP_EQ;
+ switch (chain[iter].op) {
+ case SCMP_CMP_GT:
+ case SCMP_CMP_LE:
+ c_iter[2]->op = SCMP_CMP_GT;
+ break;
+ case SCMP_CMP_GE:
+ case SCMP_CMP_LT:
+ c_iter[2]->op = SCMP_CMP_GE;
+ break;
+ default:
+ /* we should never get here */
+ goto gen_64_failure;
+ }
+ c_iter[0]->op_orig = chain[iter].op;
+ c_iter[1]->op_orig = chain[iter].op;
+ c_iter[2]->op_orig = chain[iter].op;
+
+ c_iter[0]->nxt_f = _db_node_get(c_iter[1]);
+ c_iter[1]->nxt_t = _db_node_get(c_iter[2]);
+ break;
+ case SCMP_CMP_EQ:
+ case SCMP_CMP_MASKED_EQ:
+ case SCMP_CMP_NE:
+ c_iter[0]->arg = arg;
+ c_iter[1]->arg = arg;
+ c_iter[0]->arg_h_flg = true;
+ c_iter[1]->arg_h_flg = false;
+ c_iter[0]->arg_offset = arch_arg_offset_hi(arch, arg);
+ c_iter[1]->arg_offset = arch_arg_offset_lo(arch, arg);
+
+ c_iter[0]->mask = D64_HI(mask);
+ c_iter[1]->mask = D64_LO(mask);
+ c_iter[0]->datum = D64_HI(datum);
+ c_iter[1]->datum = D64_LO(datum);
+ c_iter[0]->datum_full = datum;
+ c_iter[1]->datum_full = datum;
+
+ _db_node_mask_fixup(c_iter[0]);
+ _db_node_mask_fixup(c_iter[1]);
+
+ switch (chain[iter].op) {
+ case SCMP_CMP_MASKED_EQ:
+ c_iter[0]->op = SCMP_CMP_MASKED_EQ;
+ c_iter[1]->op = SCMP_CMP_MASKED_EQ;
+ break;
+ default:
+ c_iter[0]->op = SCMP_CMP_EQ;
+ c_iter[1]->op = SCMP_CMP_EQ;
+ }
+ c_iter[0]->op_orig = chain[iter].op;
+ c_iter[1]->op_orig = chain[iter].op;
+
+ c_iter[0]->nxt_t = _db_node_get(c_iter[1]);
+ break;
+ default:
+ /* we should never get here */
+ goto gen_64_failure;
+ }
+
+ /* link this level to the previous level */
+ if (c_prev[0] != NULL) {
+ switch (op_prev) {
+ case SCMP_CMP_GT:
+ case SCMP_CMP_GE:
+ c_prev[0]->nxt_t = _db_node_get(c_iter[0]);
+ c_prev[2]->nxt_t = _db_node_get(c_iter[0]);
+ break;
+ case SCMP_CMP_EQ:
+ case SCMP_CMP_MASKED_EQ:
+ c_prev[1]->nxt_t = _db_node_get(c_iter[0]);
+ break;
+ case SCMP_CMP_LE:
+ case SCMP_CMP_LT:
+ c_prev[1]->nxt_f = _db_node_get(c_iter[0]);
+ c_prev[2]->nxt_f = _db_node_get(c_iter[0]);
+ break;
+ case SCMP_CMP_NE:
+ c_prev[0]->nxt_f = _db_node_get(c_iter[0]);
+ c_prev[1]->nxt_f = _db_node_get(c_iter[0]);
+ break;
+ default:
+ /* we should never get here */
+ goto gen_64_failure;
+ }
+ } else
+ s_new->chains = _db_node_get(c_iter[0]);
+
+ /* update the node count */
+ switch (chain[iter].op) {
+ case SCMP_CMP_NE:
+ case SCMP_CMP_EQ:
+ case SCMP_CMP_MASKED_EQ:
+ s_new->node_cnt += 2;
+ break;
+ default:
+ s_new->node_cnt += 3;
+ }
+
+ /* keep pointers to this level */
+ c_prev[0] = c_iter[0];
+ c_prev[1] = c_iter[1];
+ c_prev[2] = c_iter[2];
+ op_prev = chain[iter].op;
+ }
+ if (c_iter[0] != NULL) {
+ /* set the actions on the last layer */
+ switch (op_prev) {
+ case SCMP_CMP_GT:
+ case SCMP_CMP_GE:
+ c_iter[0]->act_t_flg = true;
+ c_iter[0]->act_t = rule->action;
+ c_iter[2]->act_t_flg = true;
+ c_iter[2]->act_t = rule->action;
+ break;
+ case SCMP_CMP_LE:
+ case SCMP_CMP_LT:
+ c_iter[1]->act_f_flg = true;
+ c_iter[1]->act_f = rule->action;
+ c_iter[2]->act_f_flg = true;
+ c_iter[2]->act_f = rule->action;
+ break;
+ case SCMP_CMP_EQ:
+ case SCMP_CMP_MASKED_EQ:
+ c_iter[1]->act_t_flg = true;
+ c_iter[1]->act_t = rule->action;
+ break;
+ case SCMP_CMP_NE:
+ c_iter[0]->act_f_flg = true;
+ c_iter[0]->act_f = rule->action;
+ c_iter[1]->act_f_flg = true;
+ c_iter[1]->act_f = rule->action;
+ break;
+ default:
+ /* we should never get here */
+ goto gen_64_failure;
+ }
+ } else
+ s_new->action = rule->action;
+
+ return s_new;
+
+gen_64_failure:
+ /* free the new chain and its syscall struct */
+ _db_tree_put(&s_new->chains);
+ free(s_new);
+ return NULL;
+}
+
+/**
+ * Generate a new filter rule for a 32 bit system
+ * @param arch the architecture definition
+ * @param rule the new filter rule
+ *
+ * This function generates a new syscall filter for a 32 bit system. Returns
+ * zero on success, negative values on failure.
+ *
+ */
+static struct db_sys_list *_db_rule_gen_32(const struct arch_def *arch,
+ const struct db_api_rule_list *rule)
+{
+ unsigned int iter;
+ struct db_sys_list *s_new;
+ const struct db_api_arg *chain = rule->args;
+ struct db_arg_chain_tree *c_iter = NULL, *c_prev = NULL;
+ bool tf_flag;
+
+ s_new = zmalloc(sizeof(*s_new));
+ if (s_new == NULL)
+ return NULL;
+ s_new->num = rule->syscall;
+ s_new->valid = true;
+ /* run through the argument chain */
+ for (iter = 0; iter < ARG_COUNT_MAX; iter++) {
+ if (chain[iter].valid == 0)
+ continue;
+
+ /* skip generating instructions which are no-ops */
+ if (!_db_arg_cmp_need_lo(&chain[iter]))
+ continue;
+
+ c_iter = zmalloc(sizeof(*c_iter));
+ if (c_iter == NULL)
+ goto gen_32_failure;
+ c_iter->arg = chain[iter].arg;
+ c_iter->arg_h_flg = false;
+ c_iter->arg_offset = arch_arg_offset(arch, c_iter->arg);
+ c_iter->op = chain[iter].op;
+ c_iter->op_orig = chain[iter].op;
+ /* implicitly strips off the upper 32 bit */
+ c_iter->mask = chain[iter].mask;
+ c_iter->datum = chain[iter].datum;
+ c_iter->datum_full = chain[iter].datum;
+
+ /* link in the new node and update the chain */
+ if (c_prev != NULL) {
+ if (tf_flag)
+ c_prev->nxt_t = _db_node_get(c_iter);
+ else
+ c_prev->nxt_f = _db_node_get(c_iter);
+ } else
+ s_new->chains = _db_node_get(c_iter);
+ s_new->node_cnt++;
+
+ /* rewrite the op to reduce the op/datum combos */
+ switch (c_iter->op) {
+ case SCMP_CMP_NE:
+ c_iter->op = SCMP_CMP_EQ;
+ tf_flag = false;
+ break;
+ case SCMP_CMP_LT:
+ c_iter->op = SCMP_CMP_GE;
+ tf_flag = false;
+ break;
+ case SCMP_CMP_LE:
+ c_iter->op = SCMP_CMP_GT;
+ tf_flag = false;
+ break;
+ default:
+ tf_flag = true;
+ }
+
+ /* fixup the mask/datum */
+ _db_node_mask_fixup(c_iter);
+
+ c_prev = c_iter;
+ }
+ if (c_iter != NULL) {
+ /* set the leaf node */
+ if (tf_flag) {
+ c_iter->act_t_flg = true;
+ c_iter->act_t = rule->action;
+ } else {
+ c_iter->act_f_flg = true;
+ c_iter->act_f = rule->action;
+ }
+ } else
+ s_new->action = rule->action;
+
+ return s_new;
+
+gen_32_failure:
+ /* free the new chain and its syscall struct */
+ _db_tree_put(&s_new->chains);
+ free(s_new);
+ return NULL;
+}
+
+/**
+ * Add a new rule to the seccomp filter DB
+ * @param db the seccomp filter db
+ * @param rule the filter rule
+ *
+ * This function adds a new syscall filter to the seccomp filter DB, adding to
+ * the existing filters for the syscall, unless no argument specific filters
+ * are present (filtering only on the syscall). When adding new chains, the
+ * shortest chain, or most inclusive filter match, will be entered into the
+ * filter DB. Returns zero on success, negative values on failure.
+ *
+ * It is important to note that in the case of failure the db may be corrupted,
+ * the caller must use the transaction mechanism if the db integrity is
+ * important.
+ *
+ */
+int db_rule_add(struct db_filter *db, const struct db_api_rule_list *rule)
+{
+ int rc = -ENOMEM;
+ struct db_sys_list *s_new, *s_iter, *s_prev = NULL;
+ struct db_iter_state state;
+ bool rm_flag = false;
+
+ assert(db != NULL);
+
+ /* do all our possible memory allocation up front so we don't have to
+ * worry about failure once we get to the point where we start updating
+ * the filter db */
+ if (db->arch->size == ARCH_SIZE_64)
+ s_new = _db_rule_gen_64(db->arch, rule);
+ else if (db->arch->size == ARCH_SIZE_32)
+ s_new = _db_rule_gen_32(db->arch, rule);
+ else
+ return -EFAULT;
+ if (s_new == NULL)
+ return -ENOMEM;
+
+ /* find a matching syscall/chain or insert a new one */
+ s_iter = db->syscalls;
+ while (s_iter != NULL && s_iter->num < rule->syscall) {
+ s_prev = s_iter;
+ s_iter = s_iter->next;
+ }
+ s_new->priority = _DB_PRI_MASK_CHAIN - s_new->node_cnt;
+add_reset:
+ if (s_iter == NULL || s_iter->num != rule->syscall) {
+ /* new syscall, add before s_iter */
+ if (s_prev != NULL) {
+ s_new->next = s_prev->next;
+ s_prev->next = s_new;
+ } else {
+ s_new->next = db->syscalls;
+ db->syscalls = s_new;
+ }
+ db->syscall_cnt++;
+ return 0;
+ } else if (s_iter->chains == NULL) {
+ if (rm_flag || !s_iter->valid) {
+ /* we are here because our previous pass cleared the
+ * entire syscall chain when searching for a subtree
+ * match or the existing syscall entry is a phantom,
+ * so either way add the new chain */
+ s_iter->chains = s_new->chains;
+ s_iter->action = s_new->action;
+ s_iter->node_cnt = s_new->node_cnt;
+ if (s_iter->valid)
+ s_iter->priority = s_new->priority;
+ s_iter->valid = true;
+ free(s_new);
+ rc = 0;
+ goto add_priority_update;
+ } else {
+ /* syscall exists without any chains - existing filter
+ * is at least as large as the new entry so cleanup and
+ * exit */
+ _db_tree_put(&s_new->chains);
+ free(s_new);
+ goto add_free_ok;
+ }
+ } else if (s_iter->chains != NULL && s_new->chains == NULL) {
+ /* syscall exists with chains but the new filter has no chains
+ * so we need to clear the existing chains and exit */
+ _db_tree_put(&s_iter->chains);
+ s_iter->chains = NULL;
+ s_iter->node_cnt = 0;
+ s_iter->action = rule->action;
+
+ /* cleanup the new tree and return */
+ _db_tree_put(&s_new->chains);
+ free(s_new);
+ goto add_free_ok;
+ }
+
+ /* prune any sub-trees that are no longer required */
+ memset(&state, 0, sizeof(state));
+ state.sx = s_iter;
+ state.action = rule->action;
+ rc = _db_tree_prune(&s_iter->chains, s_new->chains, &state);
+ if (rc > 0) {
+ /* we pruned at least some of the existing tree */
+ rm_flag = true;
+ s_iter->node_cnt -= rc;
+ if (s_iter->chains == NULL)
+ /* we pruned the entire tree */
+ goto add_reset;
+ } else if ((state.flags & _DB_IST_M_REDUNDANT) == _DB_IST_M_REDUNDANT) {
+ /* the existing tree is "shorter", drop the new one */
+ _db_tree_put(&s_new->chains);
+ free(s_new);
+ goto add_free_ok;
+ }
+
+ /* add the new rule to the existing filter and cleanup */
+ memset(&state, 0, sizeof(state));
+ state.sx = s_iter;
+ rc = _db_tree_add(&s_iter->chains, s_new->chains, &state);
+ if (rc < 0)
+ goto add_failure;
+ s_iter->node_cnt += s_new->node_cnt;
+ s_iter->node_cnt -= _db_tree_put(&s_new->chains);
+ free(s_new);
+
+add_free_ok:
+ rc = 0;
+add_priority_update:
+ /* update the priority */
+ if (s_iter != NULL) {
+ s_iter->priority &= (~_DB_PRI_MASK_CHAIN);
+ s_iter->priority |= (_DB_PRI_MASK_CHAIN - s_iter->node_cnt);
+ }
+ return rc;
+
+add_failure:
+ /* NOTE: another reminder that we don't do any db error recovery here,
+ * use the transaction mechanism as previously mentioned */
+ _db_tree_put(&s_new->chains);
+ free(s_new);
+ return rc;
+}
+
+/**
+ * Set the priority of a given syscall
+ * @param col the filter collection
+ * @param syscall the syscall number
+ * @param priority priority value, higher value == higher priority
+ *
+ * This function sets the priority of the given syscall; this value is used
+ * when generating the seccomp filter code such that higher priority syscalls
+ * will incur less filter code overhead than the lower priority syscalls in the
+ * filter. Returns zero on success, negative values on failure.
+ *
+ */
+int db_col_syscall_priority(struct db_filter_col *col,
+ int syscall, uint8_t priority)
+{
+ int rc = 0, rc_tmp;
+ unsigned int iter;
+ int sc_tmp;
+ struct db_filter *filter;
+
+ for (iter = 0; iter < col->filter_cnt; iter++) {
+ filter = col->filters[iter];
+ sc_tmp = syscall;
+
+ rc_tmp = arch_syscall_translate(filter->arch, &sc_tmp);
+ if (rc_tmp < 0)
+ goto priority_failure;
+
+ /* if this is a pseudo syscall then we need to rewrite the
+ * syscall for some arch specific reason, don't forget the
+ * special handling for syscall -1 */
+ if (sc_tmp < -1) {
+ /* we set this as a strict op - we don't really care
+ * since priorities are a "best effort" thing - as we
+ * want to catch the -EDOM error and bail on this
+ * architecture */
+ rc_tmp = arch_syscall_rewrite(filter->arch, &sc_tmp);
+ if (rc_tmp == -EDOM)
+ continue;
+ if (rc_tmp < 0)
+ goto priority_failure;
+ }
+
+ rc_tmp = _db_syscall_priority(filter, sc_tmp, priority);
+
+priority_failure:
+ if (rc == 0 && rc_tmp < 0)
+ rc = rc_tmp;
+ }
+
+ return rc;
+}
+
+/**
+ * Add a new rule to a single filter
+ * @param filter the filter
+ * @param rule the filter rule
+ *
+ * This is a helper function for db_col_rule_add() and similar functions, it
+ * isn't generally useful. Returns zero on success, negative values on error.
+ *
+ */
+static int _db_col_rule_add(struct db_filter *filter,
+ struct db_api_rule_list *rule)
+{
+ int rc;
+ struct db_api_rule_list *iter;
+
+ /* add the rule to the filter */
+ rc = arch_filter_rule_add(filter, rule);
+ if (rc != 0)
+ return rc;
+
+ /* insert the chain to the end of the rule list */
+ iter = rule;
+ while (iter->next)
+ iter = iter->next;
+ if (filter->rules != NULL) {
+ rule->prev = filter->rules->prev;
+ iter->next = filter->rules;
+ filter->rules->prev->next = rule;
+ filter->rules->prev = iter;
+ } else {
+ rule->prev = iter;
+ iter->next = rule;
+ filter->rules = rule;
+ }
+
+ return 0;
+}
+
+/**
+ * Add a new rule to the current filter
+ * @param col the filter collection
+ * @param strict the strict flag
+ * @param action the filter action
+ * @param syscall the syscall number
+ * @param arg_cnt the number of argument filters in the argument filter chain
+ * @param arg_array the argument filter chain, (uint, enum scmp_compare, ulong)
+ *
+ * This function adds a new argument/comparison/value to the seccomp filter for
+ * a syscall; multiple arguments can be specified and they will be chained
+ * together (essentially AND'd together) in the filter. When the strict flag
+ * is true the function will fail if the exact rule can not be added to the
+ * filter, if the strict flag is false the function will not fail if the
+ * function needs to adjust the rule due to architecture specifics. Returns
+ * zero on success, negative values on failure.
+ *
+ */
+int db_col_rule_add(struct db_filter_col *col,
+ bool strict, uint32_t action, int syscall,
+ unsigned int arg_cnt, const struct scmp_arg_cmp *arg_array)
+{
+ int rc = 0, rc_tmp;
+ unsigned int iter;
+ unsigned int arg_num;
+ size_t chain_size;
+ struct db_api_arg *chain = NULL;
+ struct scmp_arg_cmp arg_data;
+ struct db_api_rule_list *rule;
+ struct db_filter *db;
+
+ /* collect the arguments for the filter rule */
+ chain_size = sizeof(*chain) * ARG_COUNT_MAX;
+ chain = zmalloc(chain_size);
+ if (chain == NULL)
+ return -ENOMEM;
+ for (iter = 0; iter < arg_cnt; iter++) {
+ arg_data = arg_array[iter];
+ arg_num = arg_data.arg;
+ if (arg_num < ARG_COUNT_MAX && chain[arg_num].valid == 0) {
+ chain[arg_num].valid = 1;
+ chain[arg_num].arg = arg_num;
+ chain[arg_num].op = arg_data.op;
+ /* TODO: we should check datum/mask size against the
+ * arch definition, e.g. 64 bit datum on x86 */
+ switch (chain[arg_num].op) {
+ case SCMP_CMP_NE:
+ case SCMP_CMP_LT:
+ case SCMP_CMP_LE:
+ case SCMP_CMP_EQ:
+ case SCMP_CMP_GE:
+ case SCMP_CMP_GT:
+ chain[arg_num].mask = DATUM_MAX;
+ chain[arg_num].datum = arg_data.datum_a;
+ break;
+ case SCMP_CMP_MASKED_EQ:
+ chain[arg_num].mask = arg_data.datum_a;
+ chain[arg_num].datum = arg_data.datum_b;
+ break;
+ default:
+ rc = -EINVAL;
+ goto add_return;
+ }
+ } else {
+ rc = -EINVAL;
+ goto add_return;
+ }
+ }
+
+ /* create a checkpoint */
+ rc = db_col_transaction_start(col);
+ if (rc != 0)
+ goto add_return;
+
+ /* add the rule to the different filters in the collection */
+ for (iter = 0; iter < col->filter_cnt; iter++) {
+ db = col->filters[iter];
+
+ /* create the rule */
+ rule = _db_rule_new(strict, action, syscall, chain);
+ if (rule == NULL) {
+ rc_tmp = -ENOMEM;
+ goto add_arch_fail;
+ }
+
+ /* add the rule */
+ rc_tmp = _db_col_rule_add(db, rule);
+ if (rc_tmp != 0)
+ free(rule);
+
+add_arch_fail:
+ if (rc_tmp != 0 && rc == 0)
+ rc = rc_tmp;
+ }
+
+ /* commit the transaction or abort */
+ if (rc == 0)
+ db_col_transaction_commit(col);
+ else
+ db_col_transaction_abort(col);
+
+add_return:
+ /* update the misc state */
+ if (rc == 0 && action == SCMP_ACT_NOTIFY)
+ col->notify_used = true;
+ if (chain != NULL)
+ free(chain);
+ return rc;
+}
+
+/**
+ * Start a new seccomp filter transaction
+ * @param col the filter collection
+ *
+ * This function starts a new seccomp filter transaction for the given filter
+ * collection. Returns zero on success, negative values on failure.
+ *
+ */
+int db_col_transaction_start(struct db_filter_col *col)
+{
+ int rc;
+ unsigned int iter;
+ struct db_filter_snap *snap;
+ struct db_filter *filter_o, *filter_s;
+ struct db_api_rule_list *rule_o, *rule_s = NULL;
+
+ /* check to see if a shadow snapshot exists */
+ if (col->snapshots && col->snapshots->shadow) {
+ /* we have a shadow! this will be easy */
+
+ /* NOTE: we don't bother to do any verification of the shadow
+ * because we start a new transaction every time we add
+ * a new rule to the filter(s); if this ever changes we
+ * will need to add a mechanism to verify that the shadow
+ * transaction is current/correct */
+
+ col->snapshots->shadow = false;
+ return 0;
+ }
+
+ /* allocate the snapshot */
+ snap = zmalloc(sizeof(*snap));
+ if (snap == NULL)
+ return -ENOMEM;
+ snap->filters = zmalloc(sizeof(struct db_filter *) * col->filter_cnt);
+ if (snap->filters == NULL) {
+ free(snap);
+ return -ENOMEM;
+ }
+ snap->filter_cnt = col->filter_cnt;
+ for (iter = 0; iter < snap->filter_cnt; iter++)
+ snap->filters[iter] = NULL;
+ snap->next = NULL;
+
+ /* create a snapshot of the current filter state */
+ for (iter = 0; iter < col->filter_cnt; iter++) {
+ /* allocate a new filter */
+ filter_o = col->filters[iter];
+ filter_s = _db_init(filter_o->arch);
+ if (filter_s == NULL)
+ goto trans_start_failure;
+ snap->filters[iter] = filter_s;
+
+ /* create a filter snapshot from existing rules */
+ rule_o = filter_o->rules;
+ if (rule_o == NULL)
+ continue;
+ do {
+ /* duplicate the rule */
+ rule_s = db_rule_dup(rule_o);
+ if (rule_s == NULL)
+ goto trans_start_failure;
+
+ /* add the rule */
+ rc = _db_col_rule_add(filter_s, rule_s);
+ if (rc != 0)
+ goto trans_start_failure;
+ rule_s = NULL;
+
+ /* next rule */
+ rule_o = rule_o->next;
+ } while (rule_o != filter_o->rules);
+ }
+
+ /* add the snapshot to the list */
+ snap->next = col->snapshots;
+ col->snapshots = snap;
+
+ return 0;
+
+trans_start_failure:
+ if (rule_s != NULL)
+ free(rule_s);
+ _db_snap_release(snap);
+ return -ENOMEM;
+}
+
+/**
+ * Abort the top most seccomp filter transaction
+ * @param col the filter collection
+ *
+ * This function aborts the most recent seccomp filter transaction.
+ *
+ */
+void db_col_transaction_abort(struct db_filter_col *col)
+{
+ int iter;
+ unsigned int filter_cnt;
+ struct db_filter **filters;
+ struct db_filter_snap *snap;
+
+ if (col->snapshots == NULL)
+ return;
+
+ /* replace the current filter with the last snapshot */
+ snap = col->snapshots;
+ col->snapshots = snap->next;
+ filter_cnt = col->filter_cnt;
+ filters = col->filters;
+ col->filter_cnt = snap->filter_cnt;
+ col->filters = snap->filters;
+ free(snap);
+
+ /* free the filter we swapped out */
+ for (iter = 0; iter < filter_cnt; iter++)
+ _db_release(filters[iter]);
+ free(filters);
+}
+
+/**
+ * Commit the top most seccomp filter transaction
+ * @param col the filter collection
+ *
+ * This function commits the most recent seccomp filter transaction and
+ * attempts to create a shadow transaction that is a duplicate of the current
+ * filter to speed up future transactions.
+ *
+ */
+void db_col_transaction_commit(struct db_filter_col *col)
+{
+ int rc;
+ unsigned int iter;
+ struct db_filter_snap *snap;
+ struct db_filter *filter_o, *filter_s;
+ struct db_api_rule_list *rule_o, *rule_s;
+
+ snap = col->snapshots;
+ if (snap == NULL)
+ return;
+
+ /* check for a shadow set by a higher transaction commit */
+ if (snap->shadow) {
+ /* leave the shadow intact, but drop the next snapshot */
+ if (snap->next) {
+ snap->next = snap->next->next;
+ _db_snap_release(snap->next);
+ }
+ return;
+ }
+
+ /* adjust the number of filters if needed */
+ if (col->filter_cnt > snap->filter_cnt) {
+ unsigned int tmp_i;
+ struct db_filter **tmp_f;
+
+ /* add filters */
+ tmp_f = realloc(snap->filters,
+ sizeof(struct db_filter *) * col->filter_cnt);
+ if (tmp_f == NULL)
+ goto shadow_err;
+ snap->filters = tmp_f;
+ do {
+ tmp_i = snap->filter_cnt;
+ snap->filters[tmp_i] =
+ _db_init(col->filters[tmp_i]->arch);
+ if (snap->filters[tmp_i] == NULL)
+ goto shadow_err;
+ snap->filter_cnt++;
+ } while (snap->filter_cnt < col->filter_cnt);
+ } else if (col->filter_cnt < snap->filter_cnt) {
+ /* remove filters */
+
+ /* NOTE: while we release the filters we no longer need, we
+ * don't bother to resize the filter array, we just
+ * adjust the filter counter, this *should* be harmless
+ * at the cost of a not reaping all the memory possible */
+
+ do {
+ _db_release(snap->filters[snap->filter_cnt--]);
+ } while (snap->filter_cnt > col->filter_cnt);
+ }
+
+ /* loop through each filter and update the rules on the snapshot */
+ for (iter = 0; iter < col->filter_cnt; iter++) {
+ filter_o = col->filters[iter];
+ filter_s = snap->filters[iter];
+
+ /* skip ahead to the new rule(s) */
+ rule_o = filter_o->rules;
+ rule_s = filter_s->rules;
+ if (rule_o == NULL)
+ /* nothing to shadow */
+ continue;
+ if (rule_s != NULL) {
+ do {
+ rule_o = rule_o->next;
+ rule_s = rule_s->next;
+ } while (rule_s != filter_s->rules);
+
+ /* did we actually add any rules? */
+ if (rule_o == filter_o->rules)
+ /* no, we are done in this case */
+ continue;
+ }
+
+ /* update the old snapshot to make it a shadow */
+ do {
+ /* duplicate the rule */
+ rule_s = db_rule_dup(rule_o);
+ if (rule_s == NULL)
+ goto shadow_err;
+
+ /* add the rule */
+ rc = _db_col_rule_add(filter_s, rule_s);
+ if (rc != 0) {
+ free(rule_s);
+ goto shadow_err;
+ }
+
+ /* next rule */
+ rule_o = rule_o->next;
+ } while (rule_o != filter_o->rules);
+ }
+
+ /* success, mark the snapshot as a shadow and return */
+ snap->shadow = true;
+ return;
+
+shadow_err:
+ /* we failed making a shadow, cleanup and return */
+ col->snapshots = snap->next;
+ _db_snap_release(snap);
+ return;
+}
diff --git a/src/db.h b/src/db.h
new file mode 100644
index 0000000..765c607
--- /dev/null
+++ b/src/db.h
@@ -0,0 +1,217 @@
+/**
+ * Enhanced Seccomp Filter DB
+ *
+ * Copyright (c) 2012,2016 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _FILTER_DB_H
+#define _FILTER_DB_H
+
+#include <inttypes.h>
+#include <stdbool.h>
+
+#include <seccomp.h>
+
+#include "arch.h"
+
+/* XXX - need to provide doxygen comments for the types here */
+
+struct db_api_arg {
+ unsigned int arg;
+ enum scmp_compare op;
+ scmp_datum_t mask;
+ scmp_datum_t datum;
+
+ bool valid;
+};
+
+struct db_api_rule_list {
+ uint32_t action;
+ int syscall;
+ bool strict;
+ struct db_api_arg args[ARG_COUNT_MAX];
+
+ struct db_api_rule_list *prev, *next;
+};
+
+struct db_arg_chain_tree {
+ /* argument number (a0 = 0, a1 = 1, etc.) */
+ unsigned int arg;
+ /* true to indicate this is the high 32-bit word of a 64-bit value */
+ bool arg_h_flg;
+ /* argument bpf offset */
+ unsigned int arg_offset;
+
+ /* comparison operator */
+ enum scmp_compare op;
+ enum scmp_compare op_orig;
+ /* syscall argument value */
+ uint32_t mask;
+ uint32_t datum;
+ scmp_datum_t datum_full;
+
+ /* actions */
+ bool act_t_flg;
+ bool act_f_flg;
+ uint32_t act_t;
+ uint32_t act_f;
+
+ /* list of nodes on this level */
+ struct db_arg_chain_tree *lvl_prv, *lvl_nxt;
+
+ /* next node in the chain */
+ struct db_arg_chain_tree *nxt_t;
+ struct db_arg_chain_tree *nxt_f;
+
+ unsigned int refcnt;
+};
+#define ARG_MASK_MAX ((uint32_t)-1)
+
+struct db_sys_list {
+ /* native syscall number */
+ unsigned int num;
+
+ /* priority - higher is better */
+ unsigned int priority;
+
+ /* the argument chain heads */
+ struct db_arg_chain_tree *chains;
+ unsigned int node_cnt;
+
+ /* action in the case of no argument chains */
+ uint32_t action;
+
+ struct db_sys_list *next;
+ /* temporary use only by the BPF generator */
+ struct db_sys_list *pri_prv, *pri_nxt;
+
+ bool valid;
+};
+
+struct db_filter_attr {
+ /* action to take if we don't match an explicit allow/deny */
+ uint32_t act_default;
+ /* action to take if we don't match the architecture */
+ uint32_t act_badarch;
+ /* NO_NEW_PRIVS related attributes */
+ uint32_t nnp_enable;
+ /* SECCOMP_FILTER_FLAG_TSYNC related attributes */
+ uint32_t tsync_enable;
+ /* allow rules with a -1 syscall value */
+ uint32_t api_tskip;
+ /* SECCOMP_FILTER_FLAG_LOG related attributes */
+ uint32_t log_enable;
+ /* SPEC_ALLOW related attributes */
+ uint32_t spec_allow;
+ /* SCMP_FLTATR_CTL_OPTIMIZE related attributes */
+ uint32_t optimize;
+ /* return the raw system return codes */
+ uint32_t api_sysrawrc;
+};
+
+struct db_filter {
+ /* target architecture */
+ const struct arch_def *arch;
+
+ /* syscall filters, kept as a sorted single-linked list */
+ struct db_sys_list *syscalls;
+ unsigned int syscall_cnt;
+
+ /* list of rules used to build the filters, kept in order */
+ struct db_api_rule_list *rules;
+};
+
+struct db_filter_snap {
+ /* individual filters */
+ struct db_filter **filters;
+ unsigned int filter_cnt;
+ bool shadow;
+
+ struct db_filter_snap *next;
+};
+
+struct db_filter_col {
+ /* verification / state */
+ int state;
+
+ /* attributes */
+ struct db_filter_attr attr;
+
+ /* individual filters */
+ int endian;
+ struct db_filter **filters;
+ unsigned int filter_cnt;
+
+ /* transaction snapshots */
+ struct db_filter_snap *snapshots;
+
+ /* userspace notification */
+ bool notify_used;
+};
+
+/**
+ * Iterate over each item in the DB list
+ * @param iter the iterator
+ * @param list the list
+ *
+ * This macro acts as for()/while() conditional and iterates the following
+ * statement for each item in the given list.
+ *
+ */
+#define db_list_foreach(iter,list) \
+ for (iter = (list); iter != NULL; iter = iter->next)
+
+struct db_api_rule_list *db_rule_dup(const struct db_api_rule_list *src);
+
+struct db_filter_col *db_col_init(uint32_t def_action);
+int db_col_reset(struct db_filter_col *col, uint32_t def_action);
+void db_col_release(struct db_filter_col *col);
+
+int db_col_valid(struct db_filter_col *col);
+
+int db_col_action_valid(const struct db_filter_col *col, uint32_t action);
+
+int db_col_merge(struct db_filter_col *col_dst, struct db_filter_col *col_src);
+
+int db_col_arch_exist(struct db_filter_col *col, uint32_t arch_token);
+
+int db_col_attr_get(const struct db_filter_col *col,
+ enum scmp_filter_attr attr, uint32_t *value);
+uint32_t db_col_attr_read(const struct db_filter_col *col,
+ enum scmp_filter_attr attr);
+int db_col_attr_set(struct db_filter_col *col,
+ enum scmp_filter_attr attr, uint32_t value);
+
+int db_col_db_new(struct db_filter_col *col, const struct arch_def *arch);
+int db_col_db_add(struct db_filter_col *col, struct db_filter *db);
+int db_col_db_remove(struct db_filter_col *col, uint32_t arch_token);
+
+int db_col_rule_add(struct db_filter_col *col,
+ bool strict, uint32_t action, int syscall,
+ unsigned int arg_cnt, const struct scmp_arg_cmp *arg_array);
+
+int db_col_syscall_priority(struct db_filter_col *col,
+ int syscall, uint8_t priority);
+
+int db_col_transaction_start(struct db_filter_col *col);
+void db_col_transaction_abort(struct db_filter_col *col);
+void db_col_transaction_commit(struct db_filter_col *col);
+
+int db_rule_add(struct db_filter *db, const struct db_api_rule_list *rule);
+
+#endif
diff --git a/src/gen_bpf.c b/src/gen_bpf.c
new file mode 100644
index 0000000..90c38cc
--- /dev/null
+++ b/src/gen_bpf.c
@@ -0,0 +1,2345 @@
+/**
+ * Seccomp BPF Translator
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <errno.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+#include <endian.h>
+
+#include <seccomp.h>
+
+#include "arch.h"
+#include "arch-x32.h"
+#include "gen_bpf.h"
+#include "db.h"
+#include "hash.h"
+#include "system.h"
+#include "helper.h"
+
+/* allocation increments */
+#define AINC_BLK 2
+#define AINC_PROG 64
+
+/* binary tree definitions */
+#define SYSCALLS_PER_NODE (4)
+#define BTREE_HSH_INVALID (UINT64_MAX)
+#define BTREE_SYSCALL_INVALID (UINT_MAX)
+
+struct acc_state {
+ int32_t offset;
+ uint32_t mask;
+};
+#define _ACC_STATE(x,y) \
+ (struct acc_state){ .offset = (x), .mask = (y) }
+#define _ACC_STATE_OFFSET(x) \
+ _ACC_STATE(x,ARG_MASK_MAX)
+#define _ACC_STATE_UNDEF \
+ _ACC_STATE_OFFSET(-1)
+#define _ACC_CMP_EQ(x,y) \
+ ((x).offset == (y).offset && (x).mask == (y).mask)
+
+enum bpf_jump_type {
+ TGT_NONE = 0,
+ TGT_K, /* immediate "k" value */
+ TGT_NXT, /* fall through to the next block */
+ TGT_IMM, /* resolved immediate value */
+ TGT_PTR_DB, /* pointer to part of the filter db */
+ TGT_PTR_BLK, /* pointer to an instruction block */
+ TGT_PTR_HSH, /* pointer to a block hash table */
+};
+
+struct bpf_jump {
+ union {
+ uint8_t imm_j;
+ uint32_t imm_k;
+ uint64_t hash;
+ struct db_arg_chain_tree *db;
+ struct bpf_blk *blk;
+ unsigned int nxt;
+ } tgt;
+ enum bpf_jump_type type;
+};
+#define _BPF_OP(a,x) \
+ (_htot16(a,x))
+#define _BPF_JMP_NO \
+ ((struct bpf_jump) { .type = TGT_NONE })
+#define _BPF_JMP_NXT(x) \
+ ((struct bpf_jump) { .type = TGT_NXT, .tgt = { .nxt = (x) } })
+#define _BPF_JMP_IMM(x) \
+ ((struct bpf_jump) { .type = TGT_IMM, .tgt = { .imm_j = (x) } })
+#define _BPF_JMP_DB(x) \
+ ((struct bpf_jump) { .type = TGT_PTR_DB, .tgt = { .db = (x) } })
+#define _BPF_JMP_BLK(x) \
+ ((struct bpf_jump) { .type = TGT_PTR_BLK, .tgt = { .blk = (x) } })
+#define _BPF_JMP_HSH(x) \
+ ((struct bpf_jump) { .type = TGT_PTR_HSH, .tgt = { .hash = (x) } })
+#define _BPF_K(a,x) \
+ ((struct bpf_jump) { .type = TGT_K, .tgt = { .imm_k = _htot32(a,x) } })
+#define _BPF_JMP_MAX 255
+#define _BPF_JMP_MAX_RET 255
+
+struct bpf_instr {
+ uint16_t op;
+ struct bpf_jump jt;
+ struct bpf_jump jf;
+ struct bpf_jump k;
+};
+#define _BPF_OFFSET_SYSCALL (offsetof(struct seccomp_data, nr))
+#define _BPF_SYSCALL(a) _BPF_K(a,_BPF_OFFSET_SYSCALL)
+#define _BPF_OFFSET_ARCH (offsetof(struct seccomp_data, arch))
+#define _BPF_ARCH(a) _BPF_K(a,_BPF_OFFSET_ARCH)
+
+struct bpf_blk {
+ /* bpf instructions */
+ struct bpf_instr *blks;
+ unsigned int blk_cnt;
+ unsigned int blk_alloc;
+
+ /* accumulator state */
+ struct acc_state acc_start;
+ struct acc_state acc_end;
+
+ /* priority - higher is better */
+ unsigned int priority;
+
+ /* status flags */
+ bool flag_hash; /* added to the hash table */
+ bool flag_dup; /* duplicate block and in use */
+ bool flag_unique; /* ->blks is unique to this block */
+
+ /* original db_arg_chain_tree node */
+ const struct db_arg_chain_tree *node;
+
+ /* used during block assembly */
+ uint64_t hash;
+ struct bpf_blk *hash_nxt;
+ struct bpf_blk *prev, *next;
+ struct bpf_blk *lvl_prv, *lvl_nxt;
+};
+#define _BLK_MSZE(x) \
+ ((x)->blk_cnt * sizeof(*((x)->blks)))
+
+struct bpf_hash_bkt {
+ struct bpf_blk *blk;
+ struct bpf_hash_bkt *next;
+ unsigned int found;
+};
+
+#define _BPF_HASH_BITS 8
+#define _BPF_HASH_SIZE (1 << _BPF_HASH_BITS)
+#define _BPF_HASH_MASK (_BPF_HASH_BITS - 1)
+struct bpf_state {
+ /* block hash table */
+ struct bpf_hash_bkt *htbl[_BPF_HASH_SIZE];
+
+ /* filter attributes */
+ const struct db_filter_attr *attr;
+ /* bad arch action */
+ uint64_t bad_arch_hsh;
+ /* default action */
+ uint64_t def_hsh;
+
+ /* bpf program */
+ struct bpf_program *bpf;
+
+ /* WARNING - the following variables are temporary use only */
+ const struct arch_def *arch;
+ struct bpf_blk *b_head;
+ struct bpf_blk *b_tail;
+ struct bpf_blk *b_new;
+};
+
+/**
+ * Populate a BPF instruction
+ * @param _ins the BPF instruction
+ * @param _op the BPF operand
+ * @param _jt the BPF jt value
+ * @param _jf the BPF jf value
+ * @param _k the BPF k value
+ *
+ * Set the given values on the provided bpf_instr struct.
+ *
+ */
+#define _BPF_INSTR(_ins,_op,_jt,_jf,_k) \
+ do { \
+ memset(&(_ins), 0, sizeof(_ins)); \
+ (_ins).op = (_op); \
+ (_ins).jt = _jt; \
+ (_ins).jf = _jf; \
+ (_ins).k = _k; \
+ } while (0)
+
+static struct bpf_blk *_gen_bpf_chain(struct bpf_state *state,
+ const struct db_sys_list *sys,
+ const struct db_arg_chain_tree *chain,
+ const struct bpf_jump *nxt_jump,
+ struct acc_state *a_state);
+
+static struct bpf_blk *_hsh_remove(struct bpf_state *state, uint64_t h_val);
+static struct bpf_blk *_hsh_find(const struct bpf_state *state, uint64_t h_val);
+
+/**
+ * Convert a 16-bit host integer into the target's endianess
+ * @param arch the architecture definition
+ * @param val the 16-bit integer
+ *
+ * Convert the endianess of the supplied value and return it to the caller.
+ *
+ */
+static uint16_t _htot16(const struct arch_def *arch, uint16_t val)
+{
+ if (arch->endian == ARCH_ENDIAN_LITTLE)
+ return htole16(val);
+ else
+ return htobe16(val);
+}
+
+/**
+ * Convert a 32-bit host integer into the target's endianess
+ * @param arch the architecture definition
+ * @param val the 32-bit integer
+ *
+ * Convert the endianess of the supplied value and return it to the caller.
+ *
+ */
+static uint32_t _htot32(const struct arch_def *arch, uint32_t val)
+{
+ if (arch->endian == ARCH_ENDIAN_LITTLE)
+ return htole32(val);
+ else
+ return htobe32(val);
+}
+
+/**
+ * Free the BPF instruction block
+ * @param state the BPF state
+ * @param blk the BPF instruction block
+ *
+ * Free the BPF instruction block, any linked blocks are preserved and the hash
+ * table is not modified. In general, you probably want to use _blk_free()
+ * instead.
+ *
+ */
+static void __blk_free(struct bpf_state *state, struct bpf_blk *blk)
+{
+ struct bpf_blk *b_tmp;
+
+ while (blk->hash_nxt != NULL) {
+ b_tmp = blk->hash_nxt;
+ blk->hash_nxt = b_tmp->hash_nxt;
+ if (!b_tmp->flag_dup)
+ free(b_tmp);
+ }
+ if (blk->blks != NULL && blk->flag_unique)
+ free(blk->blks);
+ free(blk);
+}
+
+/**
+* Free the BPF instruction block
+ * @param state the BPF state
+ * @param blk the BPF instruction block
+ *
+ * Free the BPF instruction block including any linked blocks. The hash table
+ * is updated to reflect the newly removed block(s).
+ *
+ */
+static void _blk_free(struct bpf_state *state, struct bpf_blk *blk)
+{
+ int iter;
+ struct bpf_blk *b_iter;
+ struct bpf_instr *i_iter;
+
+ if (blk == NULL)
+ return;
+
+ /* remove this block from the hash table */
+ _hsh_remove(state, blk->hash);
+
+ /* run through the block freeing TGT_PTR_{BLK,HSH} jump targets */
+ for (iter = 0; iter < blk->blk_cnt; iter++) {
+ i_iter = &blk->blks[iter];
+ switch (i_iter->jt.type) {
+ case TGT_PTR_BLK:
+ _blk_free(state, i_iter->jt.tgt.blk);
+ break;
+ case TGT_PTR_HSH:
+ b_iter = _hsh_find(state, i_iter->jt.tgt.hash);
+ _blk_free(state, b_iter);
+ break;
+ default:
+ /* do nothing */
+ break;
+ }
+ switch (i_iter->jf.type) {
+ case TGT_PTR_BLK:
+ _blk_free(state, i_iter->jf.tgt.blk);
+ break;
+ case TGT_PTR_HSH:
+ b_iter = _hsh_find(state, i_iter->jf.tgt.hash);
+ _blk_free(state, b_iter);
+ break;
+ default:
+ /* do nothing */
+ break;
+ }
+ }
+ __blk_free(state, blk);
+}
+
+/**
+ * Allocate and initialize a new instruction block
+ *
+ * Allocate a new BPF instruction block and perform some very basic
+ * initialization. Returns a pointer to the block on success, NULL on failure.
+ *
+ */
+static struct bpf_blk *_blk_alloc(void)
+{
+ struct bpf_blk *blk;
+
+ blk = zmalloc(sizeof(*blk));
+ if (blk == NULL)
+ return NULL;
+ blk->flag_unique = true;
+ blk->acc_start = _ACC_STATE_UNDEF;
+ blk->acc_end = _ACC_STATE_UNDEF;
+
+ return blk;
+}
+
+/**
+ * Resize an instruction block
+ * @param state the BPF state
+ * @param blk the existing instruction block, or NULL
+ * @param size_add the minimum amount of instructions to add
+ *
+ * Resize the given instruction block such that it is at least as large as the
+ * current size plus @size_add. Returns a pointer to the block on success,
+ * NULL on failure.
+ *
+ */
+static struct bpf_blk *_blk_resize(struct bpf_state *state,
+ struct bpf_blk *blk,
+ unsigned int size_add)
+{
+ unsigned int size_adj = (AINC_BLK > size_add ? AINC_BLK : size_add);
+ struct bpf_instr *new;
+
+ if (blk == NULL)
+ return NULL;
+
+ if ((blk->blk_cnt + size_adj) <= blk->blk_alloc)
+ return blk;
+
+ blk->blk_alloc += size_adj;
+ new = realloc(blk->blks, blk->blk_alloc * sizeof(*(blk->blks)));
+ if (new == NULL) {
+ _blk_free(state, blk);
+ return NULL;
+ }
+ blk->blks = new;
+
+ return blk;
+}
+
+/**
+ * Append a new BPF instruction to an instruction block
+ * @param state the BPF state
+ * @param blk the existing instruction block, or NULL
+ * @param instr the new instruction
+ *
+ * Add the new BPF instruction to the end of the given instruction block. If
+ * the given instruction block is NULL, a new block will be allocated. Returns
+ * a pointer to the block on success, NULL on failure, and in the case of
+ * failure the instruction block is free'd.
+ *
+ */
+static struct bpf_blk *_blk_append(struct bpf_state *state,
+ struct bpf_blk *blk,
+ const struct bpf_instr *instr)
+{
+ if (blk == NULL) {
+ blk = _blk_alloc();
+ if (blk == NULL)
+ return NULL;
+ }
+
+ if (_blk_resize(state, blk, 1) == NULL)
+ return NULL;
+ memcpy(&blk->blks[blk->blk_cnt++], instr, sizeof(*instr));
+
+ return blk;
+}
+
+/**
+ * Prepend a new BPF instruction to an instruction block
+ * @param state the BPF state
+ * @param blk the existing instruction block, or NULL
+ * @param instr the new instruction
+ *
+ * Add the new BPF instruction to the start of the given instruction block.
+ * If the given instruction block is NULL, a new block will be allocated.
+ * Returns a pointer to the block on success, NULL on failure, and in the case
+ * of failure the instruction block is free'd.
+ *
+ */
+static struct bpf_blk *_blk_prepend(struct bpf_state *state,
+ struct bpf_blk *blk,
+ const struct bpf_instr *instr)
+{
+ /* empty - we can treat this like a normal append operation */
+ if (blk == NULL || blk->blk_cnt == 0)
+ return _blk_append(state, blk, instr);
+
+ if (_blk_resize(state, blk, 1) == NULL)
+ return NULL;
+ memmove(&blk->blks[1], &blk->blks[0], blk->blk_cnt++ * sizeof(*instr));
+ memcpy(&blk->blks[0], instr, sizeof(*instr));
+
+ return blk;
+}
+
+/**
+ * Append a block of BPF instructions to the final BPF program
+ * @param prg the BPF program
+ * @param blk the BPF instruction block
+ *
+ * Add the BPF instruction block to the end of the BPF program and perform the
+ * necessary translation. Returns zero on success, negative values on failure
+ * and in the case of failure the BPF program is free'd.
+ *
+ */
+static int _bpf_append_blk(struct bpf_program *prg, const struct bpf_blk *blk)
+{
+ int rc;
+ bpf_instr_raw *i_new;
+ bpf_instr_raw *i_iter;
+ unsigned int old_cnt = prg->blk_cnt;
+ unsigned int iter;
+
+ /* (re)allocate the program memory */
+ prg->blk_cnt += blk->blk_cnt;
+ i_new = realloc(prg->blks, BPF_PGM_SIZE(prg));
+ if (i_new == NULL) {
+ rc = -ENOMEM;
+ goto bpf_append_blk_failure;
+ }
+ prg->blks = i_new;
+
+ /* transfer and translate the blocks to raw instructions */
+ for (iter = 0; iter < blk->blk_cnt; iter++) {
+ i_iter = &(prg->blks[old_cnt + iter]);
+
+ i_iter->code = blk->blks[iter].op;
+ switch (blk->blks[iter].jt.type) {
+ case TGT_NONE:
+ i_iter->jt = 0;
+ break;
+ case TGT_IMM:
+ /* jump to the value specified */
+ i_iter->jt = blk->blks[iter].jt.tgt.imm_j;
+ break;
+ default:
+ /* fatal error - we should never get here */
+ rc = -EFAULT;
+ goto bpf_append_blk_failure;
+ }
+ switch (blk->blks[iter].jf.type) {
+ case TGT_NONE:
+ i_iter->jf = 0;
+ break;
+ case TGT_IMM:
+ /* jump to the value specified */
+ i_iter->jf = blk->blks[iter].jf.tgt.imm_j;
+ break;
+ default:
+ /* fatal error - we should never get here */
+ rc = -EFAULT;
+ goto bpf_append_blk_failure;
+ }
+ switch (blk->blks[iter].k.type) {
+ case TGT_K:
+ i_iter->k = blk->blks[iter].k.tgt.imm_k;
+ break;
+ default:
+ /* fatal error - we should never get here */
+ rc = -EFAULT;
+ goto bpf_append_blk_failure;
+ }
+ }
+
+ return prg->blk_cnt;
+
+bpf_append_blk_failure:
+ prg->blk_cnt = 0;
+ free(prg->blks);
+ return rc;
+}
+
+/**
+ * Free the BPF program
+ * @param prg the BPF program
+ *
+ * Free the BPF program. None of the associated BPF state used to generate the
+ * BPF program is released in this function.
+ *
+ */
+static void _program_free(struct bpf_program *prg)
+{
+ if (prg == NULL)
+ return;
+
+ if (prg->blks != NULL)
+ free(prg->blks);
+ free(prg);
+}
+
+/**
+ * Free the BPF state
+ * @param state the BPF state
+ *
+ * Free all of the BPF state, including the BPF program if present.
+ *
+ */
+static void _state_release(struct bpf_state *state)
+{
+ unsigned int bkt;
+ struct bpf_hash_bkt *iter;
+
+ if (state == NULL)
+ return;
+
+ /* release all of the hash table entries */
+ for (bkt = 0; bkt < _BPF_HASH_SIZE; bkt++) {
+ while (state->htbl[bkt]) {
+ iter = state->htbl[bkt];
+ state->htbl[bkt] = iter->next;
+ __blk_free(state, iter->blk);
+ free(iter);
+ }
+ }
+ _program_free(state->bpf);
+
+ memset(state, 0, sizeof(*state));
+}
+
+/**
+ * Add an instruction block to the BPF state hash table
+ * @param state the BPF state
+ * @param blk_p pointer to the BPF instruction block
+ * @param found initial found value (see _hsh_find_once() for description)
+ *
+ * This function adds an instruction block to the hash table, and frees the
+ * block if an identical instruction block already exists, returning a pointer
+ * to the original block in place of the given block. Returns zero on success
+ * and negative values on failure.
+ *
+ */
+static int _hsh_add(struct bpf_state *state, struct bpf_blk **blk_p,
+ unsigned int found)
+{
+ uint64_t h_val, h_val_tmp[3];
+ struct bpf_hash_bkt *h_new, *h_iter, *h_prev = NULL;
+ struct bpf_blk *blk = *blk_p;
+ struct bpf_blk *b_iter;
+
+ if (blk->flag_hash)
+ return 0;
+
+ h_new = zmalloc(sizeof(*h_new));
+ if (h_new == NULL)
+ return -ENOMEM;
+
+ /* generate the hash */
+ h_val_tmp[0] = hash(blk->blks, _BLK_MSZE(blk));
+ h_val_tmp[1] = hash(&blk->acc_start, sizeof(blk->acc_start));
+ h_val_tmp[2] = hash(&blk->acc_end, sizeof(blk->acc_end));
+ h_val = hash(h_val_tmp, sizeof(h_val_tmp));
+ blk->hash = h_val;
+ blk->flag_hash = true;
+ blk->node = NULL;
+ h_new->blk = blk;
+ h_new->found = (found ? 1 : 0);
+
+ /* insert the block into the hash table */
+hsh_add_restart:
+ h_iter = state->htbl[h_val & _BPF_HASH_MASK];
+ if (h_iter != NULL) {
+ do {
+ if ((h_iter->blk->hash == h_val) &&
+ (_BLK_MSZE(h_iter->blk) == _BLK_MSZE(blk)) &&
+ (memcmp(h_iter->blk->blks, blk->blks,
+ _BLK_MSZE(blk)) == 0) &&
+ _ACC_CMP_EQ(h_iter->blk->acc_start,
+ blk->acc_start) &&
+ _ACC_CMP_EQ(h_iter->blk->acc_end,
+ blk->acc_end)) {
+ /* duplicate block */
+ free(h_new);
+
+ /* store the duplicate block */
+ b_iter = h_iter->blk;
+ while (b_iter->hash_nxt != NULL)
+ b_iter = b_iter->hash_nxt;
+ b_iter->hash_nxt = blk;
+
+ /* in some cases we want to return the
+ * duplicate block */
+ if (found) {
+ blk->flag_dup = true;
+ return 0;
+ }
+
+ /* update the priority if needed */
+ if (h_iter->blk->priority < blk->priority)
+ h_iter->blk->priority = blk->priority;
+
+ /* try to save some memory */
+ free(blk->blks);
+ blk->blks = h_iter->blk->blks;
+ blk->flag_unique = false;
+
+ *blk_p = h_iter->blk;
+ return 0;
+ } else if (h_iter->blk->hash == h_val) {
+ /* hash collision */
+ if ((h_val >> 32) == 0xffffffff) {
+ /* overflow */
+ blk->flag_hash = false;
+ blk->hash = 0;
+ free(h_new);
+ return -EFAULT;
+ }
+ h_val += ((uint64_t)1 << 32);
+ h_new->blk->hash = h_val;
+
+ /* restart at the beginning of the bucket */
+ goto hsh_add_restart;
+ } else {
+ /* no match, move along */
+ h_prev = h_iter;
+ h_iter = h_iter->next;
+ }
+ } while (h_iter != NULL);
+ h_prev->next = h_new;
+ } else
+ state->htbl[h_val & _BPF_HASH_MASK] = h_new;
+
+ return 0;
+}
+
+/**
+ * Remove an entry from the hash table
+ * @param state the BPF state
+ * @param h_val the hash value
+ *
+ * Remove an entry from the hash table and return it to the caller, NULL is
+ * returned if the entry can not be found.
+ *
+ */
+static struct bpf_blk *_hsh_remove(struct bpf_state *state, uint64_t h_val)
+{
+ unsigned int bkt = h_val & _BPF_HASH_MASK;
+ struct bpf_blk *blk;
+ struct bpf_hash_bkt *h_iter, *h_prev = NULL;
+
+ h_iter = state->htbl[bkt];
+ while (h_iter != NULL) {
+ if (h_iter->blk->hash == h_val) {
+ if (h_prev != NULL)
+ h_prev->next = h_iter->next;
+ else
+ state->htbl[bkt] = h_iter->next;
+ blk = h_iter->blk;
+ free(h_iter);
+ return blk;
+ }
+ h_prev = h_iter;
+ h_iter = h_iter->next;
+ }
+
+ return NULL;
+}
+
+/**
+ * Find and return a hash bucket
+ * @param state the BPF state
+ * @param h_val the hash value
+ *
+ * Find the entry associated with the given hash value and return it to the
+ * caller, NULL is returned if the entry can not be found. This function
+ * should not be called directly; use _hsh_find() and _hsh_find_once() instead.
+ *
+ */
+static struct bpf_hash_bkt *_hsh_find_bkt(const struct bpf_state *state,
+ uint64_t h_val)
+{
+ struct bpf_hash_bkt *h_iter;
+
+ h_iter = state->htbl[h_val & _BPF_HASH_MASK];
+ while (h_iter != NULL) {
+ if (h_iter->blk->hash == h_val)
+ return h_iter;
+ h_iter = h_iter->next;
+ }
+
+ return NULL;
+}
+
+/**
+ * Find and only return an entry in the hash table once
+ * @param state the BPF state
+ * @param h_val the hash value
+ *
+ * Find the entry associated with the given hash value and return it to the
+ * caller if it has not be returned previously by this function; returns NULL
+ * if the entry can not be found or has already been returned in a previous
+ * call.
+ *
+ */
+static struct bpf_blk *_hsh_find_once(const struct bpf_state *state,
+ uint64_t h_val)
+{
+ struct bpf_hash_bkt *h_iter;
+
+ h_iter = _hsh_find_bkt(state, h_val);
+ if (h_iter == NULL || h_iter->found != 0)
+ return NULL;
+ h_iter->found = 1;
+ return h_iter->blk;
+}
+
+/**
+ * Finds an entry in the hash table
+ * @param state the BPF state
+ * @param h_val the hash value
+ *
+ * Find the entry associated with the given hash value and return it to the
+ * caller, NULL is returned if the entry can not be found.
+ *
+ */
+static struct bpf_blk *_hsh_find(const struct bpf_state *state, uint64_t h_val)
+{
+ struct bpf_hash_bkt *h_iter;
+
+ h_iter = _hsh_find_bkt(state, h_val);
+ if (h_iter == NULL)
+ return NULL;
+ return h_iter->blk;
+}
+
+/**
+ * Generate a BPF action instruction
+ * @param state the BPF state
+ * @param blk the BPF instruction block, or NULL
+ * @param action the desired action
+ *
+ * Generate a BPF action instruction and append it to the given instruction
+ * block. Returns a pointer to the instruction block on success, NULL on
+ * failure.
+ *
+ */
+static struct bpf_blk *_gen_bpf_action(struct bpf_state *state,
+ struct bpf_blk *blk, uint32_t action)
+{
+ struct bpf_instr instr;
+
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_RET),
+ _BPF_JMP_NO, _BPF_JMP_NO, _BPF_K(state->arch, action));
+ return _blk_append(state, blk, &instr);
+}
+
+/**
+ * Generate a BPF action instruction and insert it into the hash table
+ * @param state the BPF state
+ * @param action the desired action
+ *
+ * Generate a BPF action instruction and insert it into the hash table.
+ * Returns a pointer to the instruction block on success, NULL on failure.
+ *
+ */
+static struct bpf_blk *_gen_bpf_action_hsh(struct bpf_state *state,
+ uint32_t action)
+{
+ struct bpf_blk *blk;
+
+ blk = _gen_bpf_action(state, NULL, action);
+ if (blk == NULL)
+ return NULL;
+ if (_hsh_add(state, &blk, 0) < 0) {
+ _blk_free(state, blk);
+ return NULL;
+ }
+
+ return blk;
+}
+
+/**
+ * Generate a BPF instruction block for a given chain node
+ * @param state the BPF state
+ * @param node the filter chain node
+ * @param a_state the accumulator state
+ *
+ * Generate BPF instructions to execute the filter for the given chain node.
+ * Returns a pointer to the instruction block on success, NULL on failure.
+ *
+ */
+static struct bpf_blk *_gen_bpf_node(struct bpf_state *state,
+ const struct db_arg_chain_tree *node,
+ struct acc_state *a_state)
+{
+ int32_t acc_offset;
+ uint32_t acc_mask;
+ uint64_t act_t_hash = 0, act_f_hash = 0;
+ struct bpf_blk *blk, *b_act;
+ struct bpf_instr instr;
+
+ blk = _blk_alloc();
+ if (blk == NULL)
+ return NULL;
+ blk->acc_start = *a_state;
+
+ /* generate the action blocks */
+ if (node->act_t_flg) {
+ b_act = _gen_bpf_action_hsh(state, node->act_t);
+ if (b_act == NULL)
+ goto node_failure;
+ act_t_hash = b_act->hash;
+ }
+ if (node->act_f_flg) {
+ b_act = _gen_bpf_action_hsh(state, node->act_f);
+ if (b_act == NULL)
+ goto node_failure;
+ act_f_hash = b_act->hash;
+ }
+
+ /* check the accumulator state */
+ acc_offset = node->arg_offset;
+ acc_mask = node->mask;
+ if (acc_offset < 0)
+ goto node_failure;
+ if ((acc_offset != a_state->offset) ||
+ ((acc_mask & a_state->mask) != acc_mask)) {
+ /* reload the accumulator */
+ a_state->offset = acc_offset;
+ a_state->mask = ARG_MASK_MAX;
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_LD + BPF_ABS),
+ _BPF_JMP_NO, _BPF_JMP_NO,
+ _BPF_K(state->arch, acc_offset));
+ blk = _blk_append(state, blk, &instr);
+ if (blk == NULL)
+ goto node_failure;
+ /* we're not dependent on the accumulator anymore */
+ blk->acc_start = _ACC_STATE_UNDEF;
+ }
+ if (acc_mask != a_state->mask) {
+ /* apply the bitmask */
+ a_state->mask = acc_mask;
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_ALU + BPF_AND),
+ _BPF_JMP_NO, _BPF_JMP_NO,
+ _BPF_K(state->arch, acc_mask));
+ blk = _blk_append(state, blk, &instr);
+ if (blk == NULL)
+ goto node_failure;
+ }
+
+ /* set the accumulator state at the end of the block */
+ /* NOTE: the accumulator end state is very critical when we are
+ * assembling the final state; we assume that however we leave
+ * this instruction block the accumulator state is represented
+ * by blk->acc_end, it must be kept correct */
+ blk->acc_end = *a_state;
+
+ /* check the accumulator against the datum */
+ switch (node->op) {
+ case SCMP_CMP_MASKED_EQ:
+ case SCMP_CMP_EQ:
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_JMP + BPF_JEQ),
+ _BPF_JMP_NO, _BPF_JMP_NO,
+ _BPF_K(state->arch, node->datum));
+ break;
+ case SCMP_CMP_GT:
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_JMP + BPF_JGT),
+ _BPF_JMP_NO, _BPF_JMP_NO,
+ _BPF_K(state->arch, node->datum));
+ break;
+ case SCMP_CMP_GE:
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_JMP + BPF_JGE),
+ _BPF_JMP_NO, _BPF_JMP_NO,
+ _BPF_K(state->arch, node->datum));
+ break;
+ case SCMP_CMP_NE:
+ case SCMP_CMP_LT:
+ case SCMP_CMP_LE:
+ default:
+ /* fatal error, we should never get here */
+ goto node_failure;
+ }
+
+ /* fixup the jump targets */
+ if (node->nxt_t != NULL)
+ instr.jt = _BPF_JMP_DB(node->nxt_t);
+ else if (node->act_t_flg)
+ instr.jt = _BPF_JMP_HSH(act_t_hash);
+ else
+ instr.jt = _BPF_JMP_NXT(0);
+ if (node->nxt_f != NULL)
+ instr.jf = _BPF_JMP_DB(node->nxt_f);
+ else if (node->act_f_flg)
+ instr.jf = _BPF_JMP_HSH(act_f_hash);
+ else
+ instr.jf = _BPF_JMP_NXT(0);
+ blk = _blk_append(state, blk, &instr);
+ if (blk == NULL)
+ goto node_failure;
+
+ blk->node = node;
+ return blk;
+
+node_failure:
+ _blk_free(state, blk);
+ return NULL;
+}
+
+/**
+ * Resolve the jump targets in a BPF instruction block
+ * @param state the BPF state
+ * @param sys the syscall filter
+ * @param blk the BPF instruction block
+ * @param nxt_jump the jump to fallthrough to at the end of the level
+ *
+ * Resolve the jump targets in a BPF instruction block generated by the
+ * _gen_bpf_chain_lvl() function and adds the resulting block to the hash
+ * table. Returns a pointer to the new instruction block on success, NULL on
+ * failure.
+ *
+ */
+static struct bpf_blk *_gen_bpf_chain_lvl_res(struct bpf_state *state,
+ const struct db_sys_list *sys,
+ struct bpf_blk *blk,
+ const struct bpf_jump *nxt_jump)
+{
+ int rc;
+ unsigned int iter;
+ struct bpf_blk *b_new;
+ struct bpf_instr *i_iter;
+ struct db_arg_chain_tree *node;
+
+ if (blk->flag_hash)
+ return blk;
+
+ /* convert TGT_PTR_DB to TGT_PTR_HSH references */
+ for (iter = 0; iter < blk->blk_cnt; iter++) {
+ i_iter = &blk->blks[iter];
+ switch (i_iter->jt.type) {
+ case TGT_NONE:
+ case TGT_IMM:
+ case TGT_PTR_HSH:
+ /* ignore these jump types */
+ break;
+ case TGT_PTR_BLK:
+ b_new = _gen_bpf_chain_lvl_res(state, sys,
+ i_iter->jt.tgt.blk,
+ nxt_jump);
+ if (b_new == NULL)
+ return NULL;
+ i_iter->jt = _BPF_JMP_HSH(b_new->hash);
+ break;
+ case TGT_PTR_DB:
+ node = (struct db_arg_chain_tree *)i_iter->jt.tgt.db;
+ b_new = _gen_bpf_chain(state, sys, node,
+ nxt_jump, &blk->acc_end);
+ if (b_new == NULL)
+ return NULL;
+ i_iter->jt = _BPF_JMP_HSH(b_new->hash);
+ break;
+ default:
+ /* we should not be here */
+ return NULL;
+ }
+ switch (i_iter->jf.type) {
+ case TGT_NONE:
+ case TGT_IMM:
+ case TGT_PTR_HSH:
+ /* ignore these jump types */
+ break;
+ case TGT_PTR_BLK:
+ b_new = _gen_bpf_chain_lvl_res(state, sys,
+ i_iter->jf.tgt.blk,
+ nxt_jump);
+ if (b_new == NULL)
+ return NULL;
+ i_iter->jf = _BPF_JMP_HSH(b_new->hash);
+ break;
+ case TGT_PTR_DB:
+ node = (struct db_arg_chain_tree *)i_iter->jf.tgt.db;
+ b_new = _gen_bpf_chain(state, sys, node,
+ nxt_jump, &blk->acc_end);
+ if (b_new == NULL)
+ return NULL;
+ i_iter->jf = _BPF_JMP_HSH(b_new->hash);
+ break;
+ default:
+ /* we should not be here */
+ return NULL;
+ }
+ switch (i_iter->k.type) {
+ case TGT_NONE:
+ case TGT_K:
+ case TGT_PTR_HSH:
+ /* ignore these jump types */
+ break;
+ default:
+ /* we should not be here */
+ return NULL;
+ }
+ }
+
+ /* insert the block into the hash table */
+ rc = _hsh_add(state, &blk, 0);
+ if (rc < 0)
+ return NULL;
+
+ return blk;
+}
+
+/**
+ * Generates the BPF instruction blocks for a given filter chain
+ * @param state the BPF state
+ * @param sys the syscall filter
+ * @param chain the filter chain
+ * @param nxt_jump the jump to fallthrough to at the end of the level
+ * @param a_state the accumulator state
+ *
+ * Generate the BPF instruction blocks for the given filter chain and return
+ * a pointer to the first block on success; returns NULL on failure.
+ *
+ */
+static struct bpf_blk *_gen_bpf_chain(struct bpf_state *state,
+ const struct db_sys_list *sys,
+ const struct db_arg_chain_tree *chain,
+ const struct bpf_jump *nxt_jump,
+ struct acc_state *a_state)
+{
+ struct bpf_blk *b_head = NULL, *b_tail = NULL;
+ struct bpf_blk *b_prev, *b_next, *b_iter;
+ struct bpf_instr *i_iter;
+ const struct db_arg_chain_tree *c_iter;
+ unsigned int iter;
+ struct bpf_jump nxt_jump_tmp;
+ struct acc_state acc = *a_state;
+
+ if (chain == NULL) {
+ b_head = _gen_bpf_action(state, NULL, sys->action);
+ if (b_head == NULL)
+ goto chain_failure;
+ b_tail = b_head;
+ } else {
+ /* find the starting node of the level */
+ c_iter = chain;
+ while (c_iter->lvl_prv != NULL)
+ c_iter = c_iter->lvl_prv;
+
+ /* build all of the blocks for this level */
+ do {
+ b_iter = _gen_bpf_node(state, c_iter, &acc);
+ if (b_iter == NULL)
+ goto chain_failure;
+ if (b_head != NULL) {
+ b_iter->lvl_prv = b_tail;
+ b_tail->lvl_nxt = b_iter;
+ b_tail = b_iter;
+ } else {
+ b_head = b_iter;
+ b_tail = b_iter;
+ }
+ c_iter = c_iter->lvl_nxt;
+ } while (c_iter != NULL);
+
+ /* resolve the TGT_NXT jumps */
+ b_iter = b_head;
+ do {
+ b_next = b_iter->lvl_nxt;
+ for (iter = 0; iter < b_iter->blk_cnt; iter++) {
+ i_iter = &b_iter->blks[iter];
+ if (i_iter->jt.type == TGT_NXT) {
+ if (i_iter->jt.tgt.nxt != 0)
+ goto chain_failure;
+ if (b_next == NULL)
+ i_iter->jt = *nxt_jump;
+ else
+ i_iter->jt =
+ _BPF_JMP_BLK(b_next);
+ }
+ if (i_iter->jf.type == TGT_NXT) {
+ if (i_iter->jf.tgt.nxt != 0)
+ goto chain_failure;
+ if (b_next == NULL)
+ i_iter->jf = *nxt_jump;
+ else
+ i_iter->jf =
+ _BPF_JMP_BLK(b_next);
+ }
+ }
+ b_iter = b_next;
+ } while (b_iter != NULL);
+ }
+
+ /* resolve all of the blocks */
+ memset(&nxt_jump_tmp, 0, sizeof(nxt_jump_tmp));
+ b_iter = b_tail;
+ do {
+ /* b_iter may change after resolving, so save the linkage */
+ b_prev = b_iter->lvl_prv;
+ b_next = b_iter->lvl_nxt;
+
+ nxt_jump_tmp = _BPF_JMP_BLK(b_next);
+ b_iter = _gen_bpf_chain_lvl_res(state, sys, b_iter,
+ (b_next == NULL ?
+ nxt_jump :
+ &nxt_jump_tmp));
+ if (b_iter == NULL)
+ goto chain_failure;
+
+ /* restore the block linkage on this level */
+ if (b_prev != NULL)
+ b_prev->lvl_nxt = b_iter;
+ b_iter->lvl_prv = b_prev;
+ b_iter->lvl_nxt = b_next;
+ if (b_next != NULL)
+ b_next->lvl_prv = b_iter;
+ if (b_iter->lvl_prv == NULL)
+ b_head = b_iter;
+
+ b_iter = b_prev;
+ } while (b_iter != NULL);
+
+ return b_head;
+
+chain_failure:
+ while (b_head != NULL) {
+ b_iter = b_head;
+ b_head = b_iter->lvl_nxt;
+ _blk_free(state, b_iter);
+ }
+ return NULL;
+}
+
+/**
+ * Sort the syscalls by syscall number
+ * @param syscalls the linked list of syscalls to be sorted
+ * @param s_head the head of the linked list to be returned to the caller
+ * @param s_tail the tail of the linked list to be returned to the caller
+ */
+static void _sys_num_sort(struct db_sys_list *syscalls,
+ struct db_sys_list **s_head,
+ struct db_sys_list **s_tail)
+{
+ struct db_sys_list *s_iter, *s_iter_b;
+
+ db_list_foreach(s_iter, syscalls) {
+ if (*s_head != NULL) {
+ s_iter_b = *s_head;
+ while ((s_iter_b->pri_nxt != NULL) &&
+ (s_iter->num <= s_iter_b->num))
+ s_iter_b = s_iter_b->pri_nxt;
+
+ if (s_iter->num > s_iter_b->num) {
+ s_iter->pri_prv = s_iter_b->pri_prv;
+ s_iter->pri_nxt = s_iter_b;
+ if (s_iter_b == *s_head) {
+ (*s_head)->pri_prv = s_iter;
+ *s_head = s_iter;
+ } else {
+ s_iter->pri_prv->pri_nxt = s_iter;
+ s_iter->pri_nxt->pri_prv = s_iter;
+ }
+ } else {
+ s_iter->pri_prv = *s_tail;
+ s_iter->pri_nxt = NULL;
+ s_iter->pri_prv->pri_nxt = s_iter;
+ *s_tail = s_iter;
+ }
+ } else {
+ *s_head = s_iter;
+ *s_tail = s_iter;
+ (*s_head)->pri_prv = NULL;
+ (*s_head)->pri_nxt = NULL;
+ }
+ }
+}
+
+/**
+ * Sort the syscalls by priority
+ * @param syscalls the linked list of syscalls to be sorted
+ * @param s_head the head of the linked list to be returned to the caller
+ * @param s_tail the tail of the linked list to be returned to the caller
+ */
+static void _sys_priority_sort(struct db_sys_list *syscalls,
+ struct db_sys_list **s_head,
+ struct db_sys_list **s_tail)
+{
+ struct db_sys_list *s_iter, *s_iter_b;
+
+ db_list_foreach(s_iter, syscalls) {
+ if (*s_head != NULL) {
+ s_iter_b = *s_head;
+ while ((s_iter_b->pri_nxt != NULL) &&
+ (s_iter->priority <= s_iter_b->priority))
+ s_iter_b = s_iter_b->pri_nxt;
+
+ if (s_iter->priority > s_iter_b->priority) {
+ s_iter->pri_prv = s_iter_b->pri_prv;
+ s_iter->pri_nxt = s_iter_b;
+ if (s_iter_b == *s_head) {
+ (*s_head)->pri_prv = s_iter;
+ *s_head = s_iter;
+ } else {
+ s_iter->pri_prv->pri_nxt = s_iter;
+ s_iter->pri_nxt->pri_prv = s_iter;
+ }
+ } else {
+ s_iter->pri_prv = *s_tail;
+ s_iter->pri_nxt = NULL;
+ s_iter->pri_prv->pri_nxt = s_iter;
+ *s_tail = s_iter;
+ }
+ } else {
+ *s_head = s_iter;
+ *s_tail = s_iter;
+ (*s_head)->pri_prv = NULL;
+ (*s_head)->pri_nxt = NULL;
+ }
+ }
+}
+
+/**
+ * Sort the syscalls
+ * @param syscalls the linked list of syscalls to be sorted
+ * @param s_head the head of the linked list to be returned to the caller
+ * @param s_tail the tail of the linked list to be returned to the caller
+ *
+ * Wrapper function for sorting syscalls
+ *
+ */
+static void _sys_sort(struct db_sys_list *syscalls,
+ struct db_sys_list **s_head,
+ struct db_sys_list **s_tail,
+ uint32_t optimize)
+{
+ if (optimize != 2)
+ _sys_priority_sort(syscalls, s_head, s_tail);
+ else
+ /* sort by number for the binary tree */
+ _sys_num_sort(syscalls, s_head, s_tail);
+}
+
+/**
+ * Insert an instruction into the BPF state and connect the linked list
+ * @param state the BPF state
+ * @param instr the instruction to insert
+ * @param insert the BPF blk that represents the instruction
+ * @param next the next BPF instruction in the linked list
+ * @param existing_blk insert will be added to the end of this blk if non-NULL
+ *
+ * Insert a set of instructions into the BPF state and associate those
+ * instructions with the bpf_blk called insert. The "next" field in the
+ * newly inserted block will be linked with the "next" bpf_blk parameter.
+ */
+static int _gen_bpf_insert(struct bpf_state *state, struct bpf_instr *instr,
+ struct bpf_blk **insert, struct bpf_blk **next,
+ struct bpf_blk *existing_blk)
+{
+ int rc;
+
+ *insert = _blk_append(state, existing_blk, instr);
+ if (*insert == NULL)
+ return -ENOMEM;
+ (*insert)->next = (*next);
+ if (*next != NULL)
+ (*next)->prev = (*insert);
+ *next = *insert;
+
+ rc = _hsh_add(state, insert, 1);
+ return rc;
+}
+
+/**
+ * Decide if we need to omit the syscall from the BPF filter
+ * @param state the BPF state
+ * @param syscall syscall being tested
+ * @return true if syscall is to be skipped, false otherwise
+ */
+static inline bool _skip_syscall(struct bpf_state *state,
+ struct db_sys_list *syscall)
+{
+ if (!syscall->valid)
+ return true;
+
+ /* psuedo-syscalls should not be added to the filter unless explicity
+ * requested via SCMP_FLTATR_API_TSKIP
+ */
+ if (((int)syscall->num < 0) &&
+ (state->attr->api_tskip == 0 || syscall->num != -1))
+ return true;
+
+ return false;
+}
+
+/**
+ * Calculate the number of syscalls that will be in the BPF filter
+ * @param state the BPF state
+ * @param s_tail the last syscall in the syscall linked list
+ */
+static unsigned int _get_syscall_cnt(struct bpf_state *state,
+ struct db_sys_list *s_tail)
+{
+ struct db_sys_list *s_iter;
+ unsigned int syscall_cnt = 0;
+
+ for (s_iter = s_tail; s_iter != NULL; s_iter = s_iter->pri_prv) {
+ if (_skip_syscall(state, s_iter))
+ continue;
+
+ syscall_cnt++;
+ }
+
+ return syscall_cnt;
+}
+
+/**
+ * Calculate the number of levels in the binary tree
+ * @param syscall_cnt the number of syscalls in this seccomp filter
+ */
+static int _get_bintree_levels(unsigned int syscall_cnt)
+{
+ unsigned int i = 2, max_level = SYSCALLS_PER_NODE * 2;
+
+ if (syscall_cnt == 0)
+ return 0;
+
+ while (max_level < syscall_cnt) {
+ max_level <<= 1;
+ i++;
+ }
+
+ return i;
+}
+
+/**
+ * Initialize the binary tree
+ * @param bintree_hashes Array of hashes that store binary tree jump dests
+ * @param bintree_syscalls Array of syscalls for the binary tree "if > " logic
+ * @param bintree_levels Number of levels in the binary tree
+ * @param syscall_cnt Number of syscalls in this filter
+ * @param empty_cnt Number of empty slots needed to balance the tree
+ *
+ */
+static int _gen_bpf_init_bintree(uint64_t **bintree_hashes,
+ unsigned int **bintree_syscalls,
+ unsigned int *bintree_levels,
+ unsigned int syscall_cnt,
+ unsigned int *empty_cnt)
+{
+ int i;
+
+ *bintree_levels = _get_bintree_levels(syscall_cnt);
+
+ if (*bintree_levels > 0) {
+ *empty_cnt = ((unsigned int)(SYSCALLS_PER_NODE * 2) <<
+ ((*bintree_levels) - 1)) - syscall_cnt;
+ *bintree_hashes = zmalloc(sizeof(uint64_t) *
+ (*bintree_levels));
+ if (*bintree_hashes == NULL)
+ return -ENOMEM;
+
+ *bintree_syscalls = zmalloc(sizeof(unsigned int) *
+ (*bintree_levels));
+ if (*bintree_syscalls == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < *bintree_levels; i++) {
+ (*bintree_syscalls)[i] = BTREE_SYSCALL_INVALID;
+ (*bintree_hashes)[i] = BTREE_HSH_INVALID;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * Generate the binary tree
+ * @param state the BPF state
+ * @param bintree_hashes Array of hashes that store binary tree jump dests
+ * @param bintree_syscalls Array of syscalls for the binary tree "if > " logic
+ * @param bintree_levels Number of levels in the binary tree
+ * @param total_cnt Total number of syscalls and empty slots in the bintree
+ * @param cur_syscall Current syscall being processed
+ * @param blks_added Number of BPF blocks added by this function
+ *
+ * Generate the BPF instruction blocks for the binary tree for cur_syscall.
+ * If this syscall is at the end of the node, then this function will
+ * create the requisite ifs and elses for the tree.
+ */
+static int _gen_bpf_bintree(struct bpf_state *state, uint64_t *bintree_hashes,
+ unsigned int *bintree_syscalls,
+ unsigned int bintree_levels,
+ unsigned int total_cnt, unsigned int cur_syscall,
+ unsigned int *blks_added)
+{
+ struct bpf_blk *b_bintree = NULL;
+ struct bpf_instr instr;
+ unsigned int level;
+ int rc = 0, i, j;
+
+ for (i = bintree_levels - 1; i >= 0; i--) {
+ level = SYSCALLS_PER_NODE << i;
+
+ if ((total_cnt % level) == 0) {
+ /* save the "if greater than" syscall num */
+ bintree_syscalls[i] = cur_syscall;
+ /* save the hash for the jf case */
+ bintree_hashes[i] = state->b_new->hash;
+
+ for (j = 0; j < i; j++) {
+ if (bintree_syscalls[j] == BTREE_SYSCALL_INVALID ||
+ bintree_hashes[j] == BTREE_HSH_INVALID)
+ /* we are near the end of the binary
+ * tree and the jump-to location is
+ * not valid. skip this if-else
+ */
+ continue;
+
+ _BPF_INSTR(instr,
+ _BPF_OP(state->arch, BPF_JMP + BPF_JGT),
+ _BPF_JMP_NO,
+ _BPF_JMP_NO,
+ _BPF_K(state->arch, bintree_syscalls[j]));
+ instr.jt = _BPF_JMP_HSH(b_bintree == NULL ?
+ state->b_new->hash : b_bintree->hash);
+ instr.jf = _BPF_JMP_HSH(bintree_hashes[j]);
+ (*blks_added)++;
+
+ rc = _gen_bpf_insert(state, &instr,
+ &b_bintree, &state->b_head, NULL);
+ if (rc < 0)
+ goto out;
+ }
+
+ if (b_bintree != NULL)
+ /* this is the last if in this "block".
+ * save it off so the next binary tree
+ * if can "else" to it.
+ */
+ bintree_hashes[j] = b_bintree->hash;
+ break;
+ }
+ }
+
+out:
+ return rc;
+}
+
+/**
+ * Generate the BPF instruction blocks for a given syscall
+ * @param state the BPF state
+ * @param sys the syscall filter DB entry
+ * @param nxt_hash the hash value of the next syscall filter DB entry
+ * @param acc_reset accumulator reset flag
+ *
+ * Generate the BPF instruction blocks for the given syscall filter and return
+ * a pointer to the first block on success; returns NULL on failure. It is
+ * important to note that the block returned has not been added to the hash
+ * table, however, any linked/referenced blocks have been added to the hash
+ * table.
+ *
+ */
+static struct bpf_blk *_gen_bpf_syscall(struct bpf_state *state,
+ const struct db_sys_list *sys,
+ uint64_t nxt_hash,
+ bool acc_reset)
+{
+ int rc;
+ struct bpf_instr instr;
+ struct bpf_blk *blk_c, *blk_s;
+ struct bpf_jump def_jump;
+ struct acc_state a_state;
+
+ /* we do the memset before the assignment to keep valgrind happy */
+ memset(&def_jump, 0, sizeof(def_jump));
+ def_jump = _BPF_JMP_HSH(state->def_hsh);
+
+ blk_s = _blk_alloc();
+ if (blk_s == NULL)
+ return NULL;
+
+ /* setup the accumulator state */
+ if (acc_reset) {
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_LD + BPF_ABS),
+ _BPF_JMP_NO, _BPF_JMP_NO,
+ _BPF_SYSCALL(state->arch));
+ blk_s = _blk_append(state, blk_s, &instr);
+ if (blk_s == NULL)
+ return NULL;
+ /* we've loaded the syscall ourselves */
+ a_state = _ACC_STATE_OFFSET(_BPF_OFFSET_SYSCALL);
+ blk_s->acc_start = _ACC_STATE_UNDEF;
+ blk_s->acc_end = _ACC_STATE_OFFSET(_BPF_OFFSET_SYSCALL);
+ } else {
+ /* we rely on someone else to load the syscall */
+ a_state = _ACC_STATE_UNDEF;
+ blk_s->acc_start = _ACC_STATE_OFFSET(_BPF_OFFSET_SYSCALL);
+ blk_s->acc_end = _ACC_STATE_OFFSET(_BPF_OFFSET_SYSCALL);
+ }
+
+ /* generate the argument chains */
+ blk_c = _gen_bpf_chain(state, sys, sys->chains, &def_jump, &a_state);
+ if (blk_c == NULL) {
+ _blk_free(state, blk_s);
+ return NULL;
+ }
+
+ /* syscall check */
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_JMP + BPF_JEQ),
+ _BPF_JMP_HSH(blk_c->hash), _BPF_JMP_HSH(nxt_hash),
+ _BPF_K(state->arch, sys->num));
+ blk_s = _blk_append(state, blk_s, &instr);
+ if (blk_s == NULL)
+ return NULL;
+ blk_s->priority = sys->priority;
+
+ /* add to the hash table */
+ rc = _hsh_add(state, &blk_s, 1);
+ if (rc < 0) {
+ _blk_free(state, blk_s);
+ return NULL;
+ }
+
+ return blk_s;
+}
+
+/**
+ * Loop through the syscalls in the db_filter and generate their bpf
+ * @param state the BPF state
+ * @param db the filter DB
+ * @param db_secondary the secondary DB
+ * @param Number of blocks added by this function
+ */
+static int _gen_bpf_syscalls(struct bpf_state *state,
+ const struct db_filter *db,
+ const struct db_filter *db_secondary,
+ unsigned int *blks_added, uint32_t optimize,
+ unsigned int *bintree_levels)
+{
+ struct db_sys_list *s_head = NULL, *s_tail = NULL, *s_iter;
+ unsigned int syscall_cnt, empty_cnt = 0;
+ uint64_t *bintree_hashes = NULL, nxt_hsh;
+ unsigned int *bintree_syscalls = NULL;
+ bool acc_reset;
+ int rc = 0;
+
+ state->arch = db->arch;
+ state->b_head = NULL;
+ state->b_tail = NULL;
+ state->b_new = NULL;
+
+ *blks_added = 0;
+
+ /* sort the syscall list */
+ _sys_sort(db->syscalls, &s_head, &s_tail, optimize);
+ if (db_secondary != NULL)
+ _sys_sort(db_secondary->syscalls, &s_head, &s_tail, optimize);
+
+ if (optimize == 2) {
+ syscall_cnt = _get_syscall_cnt(state, s_tail);
+ rc = _gen_bpf_init_bintree(&bintree_hashes, &bintree_syscalls,
+ bintree_levels, syscall_cnt,
+ &empty_cnt);
+ if (rc < 0)
+ goto out;
+ }
+
+ if ((state->arch->token == SCMP_ARCH_X86_64 ||
+ state->arch->token == SCMP_ARCH_X32) && (db_secondary == NULL))
+ acc_reset = false;
+ else
+ acc_reset = true;
+
+ if (*bintree_levels > 0)
+ /* The accumulator is reset when the first bintree "if" is
+ * generated.
+ */
+ acc_reset = false;
+
+ syscall_cnt = 0;
+
+ /* create the syscall filters and add them to block list group */
+ for (s_iter = s_tail; s_iter != NULL; s_iter = s_iter->pri_prv) {
+ if (_skip_syscall(state, s_iter))
+ continue;
+
+ if (*bintree_levels > 0 &&
+ ((syscall_cnt + empty_cnt) % SYSCALLS_PER_NODE) == 0)
+ /* This is the last syscall in the node. go to the
+ * default hash */
+ nxt_hsh = state->def_hsh;
+ else
+ nxt_hsh = state->b_head == NULL ?
+ state->def_hsh : state->b_head->hash;
+
+ /* build the syscall filter */
+ state->b_new = _gen_bpf_syscall(state, s_iter, nxt_hsh,
+ (s_iter == s_head ?
+ acc_reset : false));
+ if (state->b_new == NULL)
+ goto out;
+
+ /* add the filter to the list head */
+ state->b_new->prev = NULL;
+ state->b_new->next = state->b_head;
+ if (state->b_tail != NULL) {
+ state->b_head->prev = state->b_new;
+ state->b_head = state->b_new;
+ } else {
+ state->b_head = state->b_new;
+ state->b_tail = state->b_head;
+ }
+
+ if (state->b_tail->next != NULL)
+ state->b_tail = state->b_tail->next;
+ (*blks_added)++;
+ syscall_cnt++;
+
+ /* build the binary tree if and else logic */
+ if (*bintree_levels > 0) {
+ rc = _gen_bpf_bintree(state, bintree_hashes,
+ bintree_syscalls,
+ *bintree_levels,
+ syscall_cnt + empty_cnt,
+ s_iter->num, blks_added);
+ if (rc < 0)
+ goto out;
+ }
+ }
+
+out:
+ if (bintree_hashes != NULL)
+ free(bintree_hashes);
+ if (bintree_syscalls != NULL)
+ free(bintree_syscalls);
+
+ return rc;
+}
+
+/**
+ * Generate the BPF instruction blocks for a given filter/architecture
+ * @param state the BPF state
+ * @param db the filter DB
+ * @param db_secondary the secondary DB
+ *
+ * Generate the BPF instruction block for the given filter DB(s)/architecture(s)
+ * and return a pointer to the block on succes, NULL on failure. The resulting
+ * block assumes that the architecture token has already been loaded into the
+ * BPF accumulator.
+ *
+ */
+static struct bpf_blk *_gen_bpf_arch(struct bpf_state *state,
+ const struct db_filter *db,
+ const struct db_filter *db_secondary,
+ uint32_t optimize)
+{
+ int rc;
+ unsigned int blk_cnt = 0, blks_added = 0, bintree_levels = 0;
+ struct bpf_instr instr;
+ struct bpf_blk *b_iter, *b_bintree;
+
+ state->arch = db->arch;
+
+ /* create the syscall filters and add them to block list group */
+ rc = _gen_bpf_syscalls(state, db, db_secondary, &blks_added, optimize,
+ &bintree_levels);
+ if (rc < 0)
+ goto arch_failure;
+ blk_cnt += blks_added;
+
+ if (bintree_levels > 0) {
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_LD + BPF_ABS),
+ _BPF_JMP_NO, _BPF_JMP_NO,
+ _BPF_SYSCALL(state->arch));
+ blk_cnt++;
+
+ rc = _gen_bpf_insert(state, &instr, &b_bintree,
+ &state->b_head, NULL);
+ if (rc < 0)
+ goto arch_failure;
+ b_bintree->acc_start = _ACC_STATE_UNDEF;
+ b_bintree->acc_end = _ACC_STATE_OFFSET(_BPF_OFFSET_SYSCALL);
+ }
+
+ /* additional ABI filtering */
+ if ((state->arch->token == SCMP_ARCH_X86_64 ||
+ state->arch->token == SCMP_ARCH_X32) && (db_secondary == NULL)) {
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_LD + BPF_ABS),
+ _BPF_JMP_NO, _BPF_JMP_NO, _BPF_SYSCALL(state->arch));
+ state->b_new = _blk_append(state, NULL, &instr);
+ if (state->b_new == NULL)
+ goto arch_failure;
+ state->b_new->acc_end = _ACC_STATE_OFFSET(_BPF_OFFSET_SYSCALL);
+ if (state->arch->token == SCMP_ARCH_X86_64) {
+ /* filter out x32 */
+ _BPF_INSTR(instr,
+ _BPF_OP(state->arch, BPF_JMP + BPF_JGE),
+ _BPF_JMP_NO,
+ _BPF_JMP_NO,
+ _BPF_K(state->arch, X32_SYSCALL_BIT));
+ if (state->b_head != NULL)
+ instr.jf = _BPF_JMP_HSH(state->b_head->hash);
+ else
+ instr.jf = _BPF_JMP_HSH(state->def_hsh);
+ state->b_new = _blk_append(state, state->b_new, &instr);
+ if (state->b_new == NULL)
+ goto arch_failure;
+ /* NOTE: starting with Linux v4.8 the seccomp filters
+ * are processed both when the syscall is
+ * initially executed as well as after any
+ * tracing processes finish so we need to make
+ * sure we don't trap the -1 syscall which
+ * tracers can use to skip the syscall, see
+ * seccomp(2) for more information */
+ _BPF_INSTR(instr,
+ _BPF_OP(state->arch, BPF_JMP + BPF_JEQ),
+ _BPF_JMP_NO,
+ _BPF_JMP_HSH(state->bad_arch_hsh),
+ _BPF_K(state->arch, -1));
+ if (state->b_head != NULL)
+ instr.jt = _BPF_JMP_HSH(state->b_head->hash);
+ else
+ instr.jt = _BPF_JMP_HSH(state->def_hsh);
+ blk_cnt++;
+ } else if (state->arch->token == SCMP_ARCH_X32) {
+ /* filter out x86_64 */
+ _BPF_INSTR(instr,
+ _BPF_OP(state->arch, BPF_JMP + BPF_JGE),
+ _BPF_JMP_NO,
+ _BPF_JMP_HSH(state->bad_arch_hsh),
+ _BPF_K(state->arch, X32_SYSCALL_BIT));
+ if (state->b_head != NULL)
+ instr.jt = _BPF_JMP_HSH(state->b_head->hash);
+ else
+ instr.jt = _BPF_JMP_HSH(state->def_hsh);
+ blk_cnt++;
+ } else
+ /* we should never get here */
+ goto arch_failure;
+
+ rc = _gen_bpf_insert(state, &instr, &state->b_new,
+ &state->b_head, state->b_new);
+ if (rc < 0)
+ goto arch_failure;
+ }
+
+ /* do the ABI/architecture check */
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_JMP + BPF_JEQ),
+ _BPF_JMP_NO, _BPF_JMP_NXT(blk_cnt++),
+ _BPF_K(state->arch, state->arch->token_bpf));
+ if (state->b_head != NULL)
+ instr.jt = _BPF_JMP_HSH(state->b_head->hash);
+ else
+ instr.jt = _BPF_JMP_HSH(state->def_hsh);
+
+ rc = _gen_bpf_insert(state, &instr, &state->b_new, &state->b_head,
+ NULL);
+ if (rc < 0)
+ goto arch_failure;
+
+ state->arch = NULL;
+ return state->b_head;
+
+arch_failure:
+ /* NOTE: we do the cleanup here and not just return an error as all of
+ * the instruction blocks may not be added to the hash table when we
+ * hit an error */
+ state->arch = NULL;
+ b_iter = state->b_head;
+ while (b_iter != NULL) {
+ state->b_new = b_iter->next;
+ _blk_free(state, b_iter);
+ b_iter = state->b_new;
+ }
+ return NULL;
+}
+
+/**
+ * Find the target block for the "next" jump
+ * @param blk the instruction block
+ * @param nxt the next offset
+ *
+ * Find the target block for the TGT_NXT jump using the given offset. Returns
+ * a pointer to the target block on success or NULL on failure.
+ *
+ */
+static struct bpf_blk *_gen_bpf_find_nxt(const struct bpf_blk *blk,
+ unsigned int nxt)
+{
+ struct bpf_blk *iter = blk->next;
+
+ for (; (iter != NULL) && (nxt > 0); nxt--)
+ iter = iter->next;
+
+ return iter;
+}
+
+/**
+ * Manage jumps to return instructions
+ * @param state the BPF state
+ * @param blk the instruction block to check
+ * @param offset the instruction offset into the instruction block
+ * @param blk_ret the return instruction block
+ *
+ * Using the given block and instruction offset, calculate the jump distance
+ * between the jumping instruction and return instruction block. If the jump
+ * distance is too great, duplicate the return instruction to reduce the
+ * distance to the maximum value. Returns 1 if a long jump was added, zero if
+ * the existing jump is valid, and negative values on failure.
+ *
+ */
+static int _gen_bpf_build_jmp_ret(struct bpf_state *state,
+ struct bpf_blk *blk, unsigned int offset,
+ struct bpf_blk *blk_ret)
+{
+ unsigned int j_len;
+ uint64_t tgt_hash = blk_ret->hash;
+ struct bpf_blk *b_jmp, *b_new;
+
+ /* calculate the jump distance */
+ j_len = blk->blk_cnt - (offset + 1);
+ b_jmp = blk->next;
+ while (b_jmp != NULL && b_jmp != blk_ret && j_len < _BPF_JMP_MAX_RET) {
+ j_len += b_jmp->blk_cnt;
+ b_jmp = b_jmp->next;
+ }
+ if (b_jmp == NULL)
+ return -EFAULT;
+ if (j_len <= _BPF_JMP_MAX_RET && b_jmp == blk_ret)
+ return 0;
+
+ /* we need a closer return instruction, see if one already exists */
+ j_len = blk->blk_cnt - (offset + 1);
+ b_jmp = blk->next;
+ while (b_jmp != NULL && b_jmp->hash != tgt_hash &&
+ j_len < _BPF_JMP_MAX_RET) {
+ j_len += b_jmp->blk_cnt;
+ b_jmp = b_jmp->next;
+ }
+ if (b_jmp == NULL)
+ return -EFAULT;
+ if (j_len <= _BPF_JMP_MAX_RET && b_jmp->hash == tgt_hash)
+ return 0;
+
+ /* we need to insert a new return instruction - create one */
+ b_new = _gen_bpf_action(state, NULL, blk_ret->blks[0].k.tgt.imm_k);
+ if (b_new == NULL)
+ return -EFAULT;
+
+ /* NOTE - we need to be careful here, we're giving the block a hash
+ * value (this is a sneaky way to ensure we leverage the
+ * inserted long jumps as much as possible) but we never add the
+ * block to the hash table so it won't get cleaned up
+ * automatically */
+ b_new->hash = tgt_hash;
+
+ /* insert the jump after the current jumping block */
+ b_new->prev = blk;
+ b_new->next = blk->next;
+ blk->next->prev = b_new;
+ blk->next = b_new;
+
+ return 1;
+}
+
+/**
+ * Manage jump lengths by duplicating and adding jumps if needed
+ * @param state the BPF state
+ * @param tail the tail of the instruction block list
+ * @param blk the instruction block to check
+ * @param offset the instruction offset into the instruction block
+ * @param tgt_hash the hash of the jump destination block
+ *
+ * Using the given block and instruction offset, calculate the jump distance
+ * between the jumping instruction and the destination. If the jump distance
+ * is too great, add a long jump instruction to reduce the distance to a legal
+ * value. Returns 1 if a new instruction was added, zero if the existing jump
+ * is valid, and negative values on failure.
+ *
+ */
+static int _gen_bpf_build_jmp(struct bpf_state *state,
+ struct bpf_blk *tail,
+ struct bpf_blk *blk, unsigned int offset,
+ uint64_t tgt_hash)
+{
+ int rc;
+ unsigned int jmp_len;
+ struct bpf_instr instr;
+ struct bpf_blk *b_new, *b_jmp, *b_tgt;
+
+ /* find the jump target */
+ b_tgt = tail;
+ while (b_tgt != blk && b_tgt->hash != tgt_hash)
+ b_tgt = b_tgt->prev;
+ if (b_tgt == blk)
+ return -EFAULT;
+
+ if (b_tgt->blk_cnt == 1 &&
+ b_tgt->blks[0].op == _BPF_OP(state->arch, BPF_RET)) {
+ rc = _gen_bpf_build_jmp_ret(state, blk, offset, b_tgt);
+ if (rc == 1)
+ return 1;
+ else if (rc < 0)
+ return rc;
+ }
+
+ /* calculate the jump distance */
+ jmp_len = blk->blk_cnt - (offset + 1);
+ b_jmp = blk->next;
+ while (b_jmp != NULL && b_jmp != b_tgt && jmp_len < _BPF_JMP_MAX) {
+ jmp_len += b_jmp->blk_cnt;
+ b_jmp = b_jmp->next;
+ }
+ if (b_jmp == NULL)
+ return -EFAULT;
+ if (jmp_len <= _BPF_JMP_MAX && b_jmp == b_tgt)
+ return 0;
+
+ /* we need a long jump, see if one already exists */
+ jmp_len = blk->blk_cnt - (offset + 1);
+ b_jmp = blk->next;
+ while (b_jmp != NULL && b_jmp->hash != tgt_hash &&
+ jmp_len < _BPF_JMP_MAX) {
+ jmp_len += b_jmp->blk_cnt;
+ b_jmp = b_jmp->next;
+ }
+ if (b_jmp == NULL)
+ return -EFAULT;
+ if (jmp_len <= _BPF_JMP_MAX && b_jmp->hash == tgt_hash)
+ return 0;
+
+ /* we need to insert a long jump - create one */
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_JMP + BPF_JA),
+ _BPF_JMP_NO, _BPF_JMP_NO, _BPF_JMP_HSH(tgt_hash));
+ b_new = _blk_append(state, NULL, &instr);
+ if (b_new == NULL)
+ return -EFAULT;
+
+ /* NOTE - we need to be careful here, we're giving the block a hash
+ * value (this is a sneaky way to ensure we leverage the
+ * inserted long jumps as much as possible) but we never add the
+ * block to the hash table so it won't get cleaned up
+ * automatically */
+ b_new->hash = tgt_hash;
+
+ /* insert the jump after the current jumping block */
+ b_new->prev = blk;
+ b_new->next = blk->next;
+ blk->next->prev = b_new;
+ blk->next = b_new;
+
+ return 1;
+}
+
+/**
+ * Generate the BPF program for the given filter collection
+ * @param state the BPF state
+ * @param col the filter collection
+ *
+ * Generate the BPF program for the given filter collection. Returns zero on
+ * success, negative values on failure.
+ *
+ */
+static int _gen_bpf_build_bpf(struct bpf_state *state,
+ const struct db_filter_col *col)
+{
+ int rc;
+ int iter;
+ uint64_t h_val;
+ unsigned int res_cnt;
+ unsigned int jmp_len;
+ int arch_x86_64 = -1, arch_x32 = -1;
+ struct bpf_instr instr;
+ struct bpf_instr *i_iter;
+ struct bpf_blk *b_badarch, *b_default;
+ struct bpf_blk *b_head = NULL, *b_tail = NULL, *b_iter, *b_new, *b_jmp;
+ struct db_filter *db_secondary = NULL;
+ struct arch_def pseudo_arch;
+
+ /* create a fake architecture definition for use in the early stages */
+ memset(&pseudo_arch, 0, sizeof(pseudo_arch));
+ pseudo_arch.endian = col->endian;
+ state->arch = &pseudo_arch;
+
+ /* generate the badarch action */
+ b_badarch = _gen_bpf_action(state, NULL, state->attr->act_badarch);
+ if (b_badarch == NULL)
+ return -ENOMEM;
+ rc = _hsh_add(state, &b_badarch, 1);
+ if (rc < 0)
+ return rc;
+ state->bad_arch_hsh = b_badarch->hash;
+
+ /* generate the default action */
+ b_default = _gen_bpf_action(state, NULL, state->attr->act_default);
+ if (b_default == NULL)
+ return -ENOMEM;
+ rc = _hsh_add(state, &b_default, 0);
+ if (rc < 0)
+ return rc;
+ state->def_hsh = b_default->hash;
+
+ /* load the architecture token/number */
+ _BPF_INSTR(instr, _BPF_OP(state->arch, BPF_LD + BPF_ABS),
+ _BPF_JMP_NO, _BPF_JMP_NO, _BPF_ARCH(state->arch));
+ b_head = _blk_append(state, NULL, &instr);
+ if (b_head == NULL)
+ return -ENOMEM;
+ b_head->acc_end = _ACC_STATE_OFFSET(_BPF_OFFSET_ARCH);
+ rc = _hsh_add(state, &b_head, 1);
+ if (rc < 0)
+ return rc;
+ b_tail = b_head;
+
+ /* generate the per-architecture filters */
+ for (iter = 0; iter < col->filter_cnt; iter++) {
+ if (col->filters[iter]->arch->token == SCMP_ARCH_X86_64)
+ arch_x86_64 = iter;
+ if (col->filters[iter]->arch->token == SCMP_ARCH_X32)
+ arch_x32 = iter;
+ }
+ for (iter = 0; iter < col->filter_cnt; iter++) {
+ /* figure out the secondary arch filter mess */
+ if (iter == arch_x86_64) {
+ if (arch_x32 > iter)
+ db_secondary = col->filters[arch_x32];
+ else if (arch_x32 >= 0)
+ continue;
+ } else if (iter == arch_x32) {
+ if (arch_x86_64 > iter)
+ db_secondary = col->filters[arch_x86_64];
+ else if (arch_x86_64 >= 0)
+ continue;
+ } else
+ db_secondary = NULL;
+
+ /* create the filter for the architecture(s) */
+ b_new = _gen_bpf_arch(state, col->filters[iter], db_secondary,
+ col->attr.optimize);
+ if (b_new == NULL)
+ return -ENOMEM;
+ b_new->prev = b_tail;
+ b_tail->next = b_new;
+ b_tail = b_new;
+ while (b_tail->next != NULL)
+ b_tail = b_tail->next;
+ }
+
+ /* add a badarch action to the end */
+ b_badarch->prev = b_tail;
+ b_badarch->next = NULL;
+ b_tail->next = b_badarch;
+ b_tail = b_badarch;
+
+ /* reset the state to the pseudo_arch for the final resolution */
+ state->arch = &pseudo_arch;
+
+ /* resolve any TGT_NXT jumps at the top level */
+ b_iter = b_head;
+ do {
+ for (iter = 0; iter < b_iter->blk_cnt; iter++) {
+ i_iter = &b_iter->blks[iter];
+ if (i_iter->jt.type == TGT_NXT) {
+ b_jmp = _gen_bpf_find_nxt(b_iter,
+ i_iter->jt.tgt.nxt);
+ if (b_jmp == NULL)
+ return -EFAULT;
+ i_iter->jt = _BPF_JMP_HSH(b_jmp->hash);
+ }
+ if (i_iter->jf.type == TGT_NXT) {
+ b_jmp = _gen_bpf_find_nxt(b_iter,
+ i_iter->jf.tgt.nxt);
+ if (b_jmp == NULL)
+ return -EFAULT;
+ i_iter->jf = _BPF_JMP_HSH(b_jmp->hash);
+ }
+ /* we shouldn't need to worry about a TGT_NXT in k */
+ }
+ b_iter = b_iter->next;
+ } while (b_iter != NULL && b_iter->next != NULL);
+
+ /* pull in all of the TGT_PTR_HSH jumps, one layer at a time */
+ b_iter = b_tail;
+ do {
+ b_jmp = NULL;
+ /* look for jumps - backwards (shorter jumps) */
+ for (iter = b_iter->blk_cnt - 1;
+ (iter >= 0) && (b_jmp == NULL);
+ iter--) {
+ i_iter = &b_iter->blks[iter];
+ if (i_iter->jt.type == TGT_PTR_HSH)
+ b_jmp = _hsh_find_once(state,
+ i_iter->jt.tgt.hash);
+ if (b_jmp == NULL && i_iter->jf.type == TGT_PTR_HSH)
+ b_jmp = _hsh_find_once(state,
+ i_iter->jf.tgt.hash);
+ if (b_jmp == NULL && i_iter->k.type == TGT_PTR_HSH)
+ b_jmp = _hsh_find_once(state,
+ i_iter->k.tgt.hash);
+ if (b_jmp != NULL) {
+ /* do we need to reload the accumulator? */
+ if ((b_jmp->acc_start.offset != -1) &&
+ !_ACC_CMP_EQ(b_iter->acc_end,
+ b_jmp->acc_start)) {
+ if (b_jmp->acc_start.mask != ARG_MASK_MAX) {
+ _BPF_INSTR(instr,
+ _BPF_OP(state->arch,
+ BPF_ALU + BPF_AND),
+ _BPF_JMP_NO,
+ _BPF_JMP_NO,
+ _BPF_K(state->arch,
+ b_jmp->acc_start.mask));
+ b_jmp = _blk_prepend(state,
+ b_jmp,
+ &instr);
+ if (b_jmp == NULL)
+ return -EFAULT;
+ }
+ _BPF_INSTR(instr,
+ _BPF_OP(state->arch,
+ BPF_LD + BPF_ABS),
+ _BPF_JMP_NO, _BPF_JMP_NO,
+ _BPF_K(state->arch,
+ b_jmp->acc_start.offset));
+ b_jmp = _blk_prepend(state,
+ b_jmp, &instr);
+ if (b_jmp == NULL)
+ return -EFAULT;
+ /* not reliant on the accumulator */
+ b_jmp->acc_start = _ACC_STATE_UNDEF;
+ }
+ /* insert the new block after this block */
+ b_jmp->prev = b_iter;
+ b_jmp->next = b_iter->next;
+ b_iter->next = b_jmp;
+ if (b_jmp->next)
+ b_jmp->next->prev = b_jmp;
+ }
+ }
+ if (b_jmp != NULL) {
+ while (b_tail->next != NULL)
+ b_tail = b_tail->next;
+ b_iter = b_tail;
+ } else
+ b_iter = b_iter->prev;
+ } while (b_iter != NULL);
+
+
+ /* NOTE - from here to the end of the function we need to fail via the
+ * the build_bpf_free_blks label, not just return an error; see
+ * the _gen_bpf_build_jmp() function for details */
+
+ /* check for long jumps and insert if necessary, we also verify that
+ * all our jump targets are valid at this point in the process */
+ b_iter = b_tail;
+ do {
+ res_cnt = 0;
+ for (iter = b_iter->blk_cnt - 1; iter >= 0; iter--) {
+ i_iter = &b_iter->blks[iter];
+ switch (i_iter->jt.type) {
+ case TGT_NONE:
+ case TGT_IMM:
+ break;
+ case TGT_PTR_HSH:
+ h_val = i_iter->jt.tgt.hash;
+ rc = _gen_bpf_build_jmp(state, b_tail,
+ b_iter, iter,
+ h_val);
+ if (rc < 0)
+ goto build_bpf_free_blks;
+ res_cnt += rc;
+ break;
+ default:
+ /* fatal error */
+ rc = -EFAULT;
+ goto build_bpf_free_blks;
+ }
+ switch (i_iter->jf.type) {
+ case TGT_NONE:
+ case TGT_IMM:
+ break;
+ case TGT_PTR_HSH:
+ h_val = i_iter->jf.tgt.hash;
+ rc = _gen_bpf_build_jmp(state, b_tail,
+ b_iter, iter,
+ h_val);
+ if (rc < 0)
+ goto build_bpf_free_blks;
+ res_cnt += rc;
+ break;
+ default:
+ /* fatal error */
+ rc = -EFAULT;
+ goto build_bpf_free_blks;
+ }
+ }
+ if (res_cnt == 0)
+ b_iter = b_iter->prev;
+ } while (b_iter != NULL);
+
+ /* build the bpf program */
+ do {
+ b_iter = b_head;
+ /* resolve the TGT_PTR_HSH jumps */
+ for (iter = 0; iter < b_iter->blk_cnt; iter++) {
+ i_iter = &b_iter->blks[iter];
+ if (i_iter->jt.type == TGT_PTR_HSH) {
+ h_val = i_iter->jt.tgt.hash;
+ jmp_len = b_iter->blk_cnt - (iter + 1);
+ b_jmp = b_iter->next;
+ while (b_jmp != NULL && b_jmp->hash != h_val) {
+ jmp_len += b_jmp->blk_cnt;
+ b_jmp = b_jmp->next;
+ }
+ if (b_jmp == NULL || jmp_len > _BPF_JMP_MAX) {
+ rc = -EFAULT;
+ goto build_bpf_free_blks;
+ }
+ i_iter->jt = _BPF_JMP_IMM(jmp_len);
+ }
+ if (i_iter->jf.type == TGT_PTR_HSH) {
+ h_val = i_iter->jf.tgt.hash;
+ jmp_len = b_iter->blk_cnt - (iter + 1);
+ b_jmp = b_iter->next;
+ while (b_jmp != NULL && b_jmp->hash != h_val) {
+ jmp_len += b_jmp->blk_cnt;
+ b_jmp = b_jmp->next;
+ }
+ if (b_jmp == NULL || jmp_len > _BPF_JMP_MAX) {
+ rc = -EFAULT;
+ goto build_bpf_free_blks;
+ }
+ i_iter->jf = _BPF_JMP_IMM(jmp_len);
+ }
+ if (i_iter->k.type == TGT_PTR_HSH) {
+ h_val = i_iter->k.tgt.hash;
+ jmp_len = b_iter->blk_cnt - (iter + 1);
+ b_jmp = b_tail;
+ while (b_jmp->hash != h_val)
+ b_jmp = b_jmp->prev;
+ b_jmp = b_jmp->prev;
+ while (b_jmp != b_iter) {
+ jmp_len += b_jmp->blk_cnt;
+ b_jmp = b_jmp->prev;
+ }
+ if (b_jmp == NULL) {
+ rc = -EFAULT;
+ goto build_bpf_free_blks;
+ }
+ i_iter->k = _BPF_K(state->arch, jmp_len);
+ }
+ }
+
+ /* build the bpf program */
+ rc = _bpf_append_blk(state->bpf, b_iter);
+ if (rc < 0)
+ goto build_bpf_free_blks;
+
+ /* we're done with the block, free it */
+ b_head = b_iter->next;
+ _blk_free(state, b_iter);
+ } while (b_head != NULL);
+
+ return 0;
+
+build_bpf_free_blks:
+ b_iter = b_head;
+ while (b_iter != NULL) {
+ b_jmp = b_iter->next;
+ _hsh_remove(state, b_iter->hash);
+ __blk_free(state, b_iter);
+ b_iter = b_jmp;
+ }
+ return rc;
+}
+
+/**
+ * Generate a BPF representation of the filter DB
+ * @param col the seccomp filter collection
+ * @param prgm_ptr the bpf program pointer
+ *
+ * This function generates a BPF representation of the given filter collection.
+ * Returns zero on success, negative values on failure.
+ *
+ */
+int gen_bpf_generate(const struct db_filter_col *col,
+ struct bpf_program **prgm_ptr)
+{
+ int rc;
+ struct bpf_state state;
+ struct bpf_program *prgm;
+
+ if (col->filter_cnt == 0)
+ return -EINVAL;
+
+ memset(&state, 0, sizeof(state));
+ state.attr = &col->attr;
+
+ state.bpf = zmalloc(sizeof(*(prgm)));
+ if (state.bpf == NULL)
+ return -ENOMEM;
+
+ rc = _gen_bpf_build_bpf(&state, col);
+ if (rc == 0) {
+ *prgm_ptr = state.bpf;
+ state.bpf = NULL;
+ }
+ _state_release(&state);
+
+ return rc;
+}
+
+/**
+ * Free memory associated with a BPF representation
+ * @param program the BPF representation
+ *
+ * Free the memory associated with a BPF representation generated by the
+ * gen_bpf_generate() function.
+ *
+ */
+void gen_bpf_release(struct bpf_program *program)
+{
+ _program_free(program);
+}
diff --git a/src/gen_bpf.h b/src/gen_bpf.h
new file mode 100644
index 0000000..8f886ae
--- /dev/null
+++ b/src/gen_bpf.h
@@ -0,0 +1,43 @@
+/**
+ * Seccomp BPF Translator
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _TRANSLATOR_BPF_H
+#define _TRANSLATOR_BPF_H
+
+#include <inttypes.h>
+
+#include "arch.h"
+#include "db.h"
+#include "system.h"
+
+/* NOTE - do not change this structure, it is part of the prctl() API */
+struct bpf_program {
+ uint16_t blk_cnt;
+ bpf_instr_raw *blks;
+};
+#define BPF_PGM_SIZE(x) \
+ ((x)->blk_cnt * sizeof(*((x)->blks)))
+
+int gen_bpf_generate(const struct db_filter_col *col,
+ struct bpf_program **prgm_ptr);
+void gen_bpf_release(struct bpf_program *program);
+
+#endif
diff --git a/src/gen_pfc.c b/src/gen_pfc.c
new file mode 100644
index 0000000..d58f586
--- /dev/null
+++ b/src/gen_pfc.c
@@ -0,0 +1,507 @@
+/**
+ * Seccomp Pseudo Filter Code (PFC) Generator
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <errno.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+/* NOTE: needed for the arch->token decoding in _pfc_arch() */
+#include <linux/audit.h>
+
+#include <seccomp.h>
+
+#include "arch.h"
+#include "db.h"
+#include "gen_pfc.h"
+#include "helper.h"
+#include "system.h"
+
+struct pfc_sys_list {
+ struct db_sys_list *sys;
+ struct pfc_sys_list *next;
+};
+
+/* XXX - we should check the fprintf() return values */
+
+/**
+ * Display a string representation of the architecture
+ * @param arch the architecture definition
+ */
+static const char *_pfc_arch(const struct arch_def *arch)
+{
+ switch (arch->token) {
+ case SCMP_ARCH_X86:
+ return "x86";
+ case SCMP_ARCH_X86_64:
+ return "x86_64";
+ case SCMP_ARCH_X32:
+ return "x32";
+ case SCMP_ARCH_ARM:
+ return "arm";
+ case SCMP_ARCH_AARCH64:
+ return "aarch64";
+ case SCMP_ARCH_MIPS:
+ return "mips";
+ case SCMP_ARCH_MIPSEL:
+ return "mipsel";
+ case SCMP_ARCH_MIPS64:
+ return "mips64";
+ case SCMP_ARCH_MIPSEL64:
+ return "mipsel64";
+ case SCMP_ARCH_MIPS64N32:
+ return "mips64n32";
+ case SCMP_ARCH_MIPSEL64N32:
+ return "mipsel64n32";
+ case SCMP_ARCH_PARISC:
+ return "parisc";
+ case SCMP_ARCH_PARISC64:
+ return "parisc64";
+ case SCMP_ARCH_PPC64:
+ return "ppc64";
+ case SCMP_ARCH_PPC64LE:
+ return "ppc64le";
+ case SCMP_ARCH_PPC:
+ return "ppc";
+ case SCMP_ARCH_S390X:
+ return "s390x";
+ case SCMP_ARCH_S390:
+ return "s390";
+ case SCMP_ARCH_RISCV64:
+ return "riscv64";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+/**
+ * Display a string representation of the node argument
+ * @param fds the file stream to send the output
+ * @param arch the architecture definition
+ * @param node the node
+ */
+static void _pfc_arg(FILE *fds,
+ const struct arch_def *arch,
+ const struct db_arg_chain_tree *node)
+{
+ if (arch->size == ARCH_SIZE_64) {
+ if (arch_arg_offset_hi(arch, node->arg) == node->arg_offset)
+ fprintf(fds, "$a%d.hi32", node->arg);
+ else
+ fprintf(fds, "$a%d.lo32", node->arg);
+ } else
+ fprintf(fds, "$a%d", node->arg);
+}
+
+/**
+ * Display a string representation of the filter action
+ * @param fds the file stream to send the output
+ * @param action the action
+ */
+static void _pfc_action(FILE *fds, uint32_t action)
+{
+ switch (action & SECCOMP_RET_ACTION_FULL) {
+ case SCMP_ACT_KILL_PROCESS:
+ fprintf(fds, "action KILL_PROCESS;\n");
+ break;
+ case SCMP_ACT_KILL_THREAD:
+ fprintf(fds, "action KILL;\n");
+ break;
+ case SCMP_ACT_TRAP:
+ fprintf(fds, "action TRAP;\n");
+ break;
+ case SCMP_ACT_ERRNO(0):
+ fprintf(fds, "action ERRNO(%u);\n", (action & 0x0000ffff));
+ break;
+ case SCMP_ACT_TRACE(0):
+ fprintf(fds, "action TRACE(%u);\n", (action & 0x0000ffff));
+ break;
+ case SCMP_ACT_LOG:
+ fprintf(fds, "action LOG;\n");
+ break;
+ case SCMP_ACT_ALLOW:
+ fprintf(fds, "action ALLOW;\n");
+ break;
+ default:
+ fprintf(fds, "action 0x%x;\n", action);
+ }
+}
+
+/**
+ * Indent the output stream
+ * @param fds the file stream to send the output
+ * @param lvl the indentation level
+ *
+ * This function indents the output stream with whitespace based on the
+ * requested indentation level.
+ */
+static void _indent(FILE *fds, unsigned int lvl)
+{
+ while (lvl-- > 0)
+ fprintf(fds, " ");
+}
+
+/**
+ * Generate the pseudo filter code for an argument chain
+ * @param arch the architecture definition
+ * @param node the head of the argument chain
+ * @param lvl the indentation level
+ * @param fds the file stream to send the output
+ *
+ * This function generates the pseudo filter code representation of the given
+ * argument chain and writes it to the given output stream.
+ *
+ */
+static void _gen_pfc_chain(const struct arch_def *arch,
+ const struct db_arg_chain_tree *node,
+ unsigned int lvl, FILE *fds)
+{
+ const struct db_arg_chain_tree *c_iter;
+
+ /* get to the start */
+ c_iter = node;
+ while (c_iter->lvl_prv != NULL)
+ c_iter = c_iter->lvl_prv;
+
+ while (c_iter != NULL) {
+ /* comparison operation */
+ _indent(fds, lvl);
+ fprintf(fds, "if (");
+ _pfc_arg(fds, arch, c_iter);
+ switch (c_iter->op) {
+ case SCMP_CMP_EQ:
+ fprintf(fds, " == ");
+ break;
+ case SCMP_CMP_GE:
+ fprintf(fds, " >= ");
+ break;
+ case SCMP_CMP_GT:
+ fprintf(fds, " > ");
+ break;
+ case SCMP_CMP_MASKED_EQ:
+ fprintf(fds, " & 0x%.8x == ", c_iter->mask);
+ break;
+ case SCMP_CMP_NE:
+ case SCMP_CMP_LT:
+ case SCMP_CMP_LE:
+ default:
+ fprintf(fds, " ??? ");
+ }
+ fprintf(fds, "%u)\n", c_iter->datum);
+
+ /* true result */
+ if (c_iter->act_t_flg) {
+ _indent(fds, lvl + 1);
+ _pfc_action(fds, c_iter->act_t);
+ } else if (c_iter->nxt_t != NULL)
+ _gen_pfc_chain(arch, c_iter->nxt_t, lvl + 1, fds);
+
+ /* false result */
+ if (c_iter->act_f_flg) {
+ _indent(fds, lvl);
+ fprintf(fds, "else\n");
+ _indent(fds, lvl + 1);
+ _pfc_action(fds, c_iter->act_f);
+ } else if (c_iter->nxt_f != NULL) {
+ _indent(fds, lvl);
+ fprintf(fds, "else\n");
+ _gen_pfc_chain(arch, c_iter->nxt_f, lvl + 1, fds);
+ }
+
+ c_iter = c_iter->lvl_nxt;
+ }
+}
+
+/**
+ * Generate pseudo filter code for a syscall
+ * @param arch the architecture definition
+ * @param sys the syscall filter
+ * @param fds the file stream to send the output
+ *
+ * This function generates a pseudo filter code representation of the given
+ * syscall filter and writes it to the given output stream.
+ *
+ */
+static void _gen_pfc_syscall(const struct arch_def *arch,
+ const struct db_sys_list *sys, FILE *fds,
+ int lvl)
+{
+ unsigned int sys_num = sys->num;
+ const char *sys_name = arch_syscall_resolve_num(arch, sys_num);
+
+ _indent(fds, lvl);
+ fprintf(fds, "# filter for syscall \"%s\" (%u) [priority: %d]\n",
+ (sys_name ? sys_name : "UNKNOWN"), sys_num, sys->priority);
+ _indent(fds, lvl);
+ fprintf(fds, "if ($syscall == %u)\n", sys_num);
+ if (sys->chains == NULL) {
+ _indent(fds, lvl + 1);
+ _pfc_action(fds, sys->action);
+ } else
+ _gen_pfc_chain(arch, sys->chains, lvl + 1, fds);
+}
+
+#define SYSCALLS_PER_NODE (4)
+static int _get_bintree_levels(unsigned int syscall_cnt,
+ uint32_t optimize)
+{
+ unsigned int i = 0, max_level;
+
+ if (optimize != 2)
+ /* Only use a binary tree if requested */
+ return 0;
+
+ if (syscall_cnt == 0)
+ return 0;
+
+ do {
+ max_level = SYSCALLS_PER_NODE << i;
+ i++;
+ } while(max_level < syscall_cnt);
+
+ return i;
+}
+
+static int _get_bintree_syscall_num(const struct pfc_sys_list *cur,
+ int lookahead_cnt,
+ int *const num)
+{
+ while (lookahead_cnt > 0 && cur != NULL) {
+ cur = cur->next;
+ lookahead_cnt--;
+ }
+
+ if (cur == NULL)
+ return -EFAULT;
+
+ *num = cur->sys->num;
+ return 0;
+}
+
+static int _sys_num_sort(struct db_sys_list *syscalls,
+ struct pfc_sys_list **p_head)
+{
+ struct pfc_sys_list *p_iter = NULL, *p_new, *p_prev;
+ struct db_sys_list *s_iter;
+
+ db_list_foreach(s_iter, syscalls) {
+ p_new = zmalloc(sizeof(*p_new));
+ if (p_new == NULL) {
+ return -ENOMEM;
+ }
+ p_new->sys = s_iter;
+
+ p_prev = NULL;
+ p_iter = *p_head;
+ while (p_iter != NULL &&
+ s_iter->num < p_iter->sys->num) {
+ p_prev = p_iter;
+ p_iter = p_iter->next;
+ }
+ if (*p_head == NULL)
+ *p_head = p_new;
+ else if (p_prev == NULL) {
+ p_new->next = *p_head;
+ *p_head = p_new;
+ } else {
+ p_new->next = p_iter;
+ p_prev->next = p_new;
+ }
+ }
+
+ return 0;
+}
+
+static int _sys_priority_sort(struct db_sys_list *syscalls,
+ struct pfc_sys_list **p_head)
+{
+ struct pfc_sys_list *p_iter = NULL, *p_new, *p_prev;
+ struct db_sys_list *s_iter;
+
+ db_list_foreach(s_iter, syscalls) {
+ p_new = zmalloc(sizeof(*p_new));
+ if (p_new == NULL) {
+ return -ENOMEM;
+ }
+ p_new->sys = s_iter;
+
+ p_prev = NULL;
+ p_iter = *p_head;
+ while (p_iter != NULL &&
+ s_iter->priority < p_iter->sys->priority) {
+ p_prev = p_iter;
+ p_iter = p_iter->next;
+ }
+ if (*p_head == NULL)
+ *p_head = p_new;
+ else if (p_prev == NULL) {
+ p_new->next = *p_head;
+ *p_head = p_new;
+ } else {
+ p_new->next = p_iter;
+ p_prev->next = p_new;
+ }
+ }
+
+ return 0;
+}
+
+static int _sys_sort(struct db_sys_list *syscalls,
+ struct pfc_sys_list **p_head,
+ uint32_t optimize)
+{
+ if (optimize != 2)
+ return _sys_priority_sort(syscalls, p_head);
+ else
+ /* sort by number for the binary tree */
+ return _sys_num_sort(syscalls, p_head);
+}
+
+/**
+ * Generate pseudo filter code for an architecture
+ * @param col the seccomp filter collection
+ * @param db the single seccomp filter
+ * @param fds the file stream to send the output
+ *
+ * This function generates a pseudo filter code representation of the given
+ * filter DB and writes it to the given output stream. Returns zero on
+ * success, negative values on failure.
+ *
+ */
+static int _gen_pfc_arch(const struct db_filter_col *col,
+ const struct db_filter *db, FILE *fds,
+ uint32_t optimize)
+{
+ int rc = 0, i = 0, lookahead_num;
+ unsigned int syscall_cnt = 0, bintree_levels, level, indent = 1;
+ struct pfc_sys_list *p_iter = NULL, *p_head = NULL;
+
+ /* sort the syscall list */
+ rc = _sys_sort(db->syscalls, &p_head, optimize);
+ if (rc < 0)
+ goto arch_return;
+
+ bintree_levels = _get_bintree_levels(db->syscall_cnt, optimize);
+
+ fprintf(fds, "# filter for arch %s (%u)\n",
+ _pfc_arch(db->arch), db->arch->token_bpf);
+ fprintf(fds, "if ($arch == %u)\n", db->arch->token_bpf);
+ p_iter = p_head;
+ while (p_iter != NULL) {
+ if (!p_iter->sys->valid) {
+ p_iter = p_iter->next;
+ continue;
+ }
+
+ for (i = bintree_levels - 1; i > 0; i--) {
+ level = SYSCALLS_PER_NODE << i;
+
+ if (syscall_cnt == 0 || (syscall_cnt % level) == 0) {
+ rc = _get_bintree_syscall_num(p_iter, level / 2,
+ &lookahead_num);
+ if (rc < 0)
+ /* We have reached the end of the bintree.
+ * There aren't enough syscalls to construct
+ * any more if-elses.
+ */
+ continue;
+ _indent(fds, indent);
+ fprintf(fds, "if ($syscall > %u)\n", lookahead_num);
+ indent++;
+ } else if ((syscall_cnt % (level / 2)) == 0) {
+ lookahead_num = p_iter->sys->num;
+ _indent(fds, indent - 1);
+ fprintf(fds, "else # ($syscall <= %u)\n",
+ p_iter->sys->num);
+ }
+
+ }
+
+ _gen_pfc_syscall(db->arch, p_iter->sys, fds, indent);
+ syscall_cnt++;
+ p_iter = p_iter->next;
+
+ /* undo the indentations as the else statements complete */
+ for (i = 0; i < bintree_levels; i++) {
+ if (syscall_cnt % ((SYSCALLS_PER_NODE * 2) << i) == 0)
+ indent--;
+ }
+ }
+ _indent(fds, 1);
+ fprintf(fds, "# default action\n");
+ _indent(fds, 1);
+ _pfc_action(fds, col->attr.act_default);
+
+arch_return:
+ while (p_head != NULL) {
+ p_iter = p_head;
+ p_head = p_head->next;
+ free(p_iter);
+ }
+ return rc;
+}
+/**
+ * Generate a pseudo filter code string representation
+ * @param col the seccomp filter collection
+ * @param fd the fd to send the output
+ *
+ * This function generates a pseudo filter code representation of the given
+ * filter collection and writes it to the given fd. Returns zero on success,
+ * negative errno values on failure.
+ *
+ */
+int gen_pfc_generate(const struct db_filter_col *col, int fd)
+{
+ int newfd;
+ unsigned int iter;
+ FILE *fds;
+
+ newfd = dup(fd);
+ if (newfd < 0)
+ return -errno;
+ fds = fdopen(newfd, "a");
+ if (fds == NULL) {
+ close(newfd);
+ return -errno;
+ }
+
+ /* generate the pfc */
+ fprintf(fds, "#\n");
+ fprintf(fds, "# pseudo filter code start\n");
+ fprintf(fds, "#\n");
+
+ for (iter = 0; iter < col->filter_cnt; iter++)
+ _gen_pfc_arch(col, col->filters[iter], fds,
+ col->attr.optimize);
+
+ fprintf(fds, "# invalid architecture action\n");
+ _pfc_action(fds, col->attr.act_badarch);
+ fprintf(fds, "#\n");
+ fprintf(fds, "# pseudo filter code end\n");
+ fprintf(fds, "#\n");
+
+ fflush(fds);
+ fclose(fds);
+
+ return 0;
+}
diff --git a/src/gen_pfc.h b/src/gen_pfc.h
new file mode 100644
index 0000000..ceb932c
--- /dev/null
+++ b/src/gen_pfc.h
@@ -0,0 +1,29 @@
+/**
+ * Seccomp String Translator
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _TRANSLATOR_STR_H
+#define _TRANSLATOR_STR_H
+
+#include "db.h"
+
+int gen_pfc_generate(const struct db_filter_col *col, int fd);
+
+#endif
diff --git a/src/hash.c b/src/hash.c
new file mode 100644
index 0000000..4435900
--- /dev/null
+++ b/src/hash.c
@@ -0,0 +1,90 @@
+/**
+ * Seccomp Library hash code
+ *
+ */
+
+/*
+ * This code is based on MurmurHash3.cpp from Austin Appleby and is placed in
+ * the public domain.
+ *
+ * https://github.com/aappleby/smhasher
+ *
+ */
+
+#include <stdlib.h>
+#include <inttypes.h>
+
+#include "hash.h"
+
+static inline uint32_t getblock32(const uint32_t *p, int i)
+{
+ return p[i];
+}
+
+static inline uint32_t rotl32(uint32_t x, int8_t r)
+{
+ return (x << r) | (x >> (32 - r));
+}
+
+static inline uint32_t fmix32(uint32_t h)
+{
+ h ^= h >> 16;
+ h *= 0x85ebca6b;
+ h ^= h >> 13;
+ h *= 0xc2b2ae35;
+ h ^= h >> 16;
+
+ return h;
+}
+
+/* NOTE: this is an implementation of MurmurHash3_x86_32 */
+uint32_t hash(const void *key, size_t length)
+{
+ const uint8_t *data = (const uint8_t *)key;
+ const uint32_t *blocks;
+ const uint8_t *tail;
+ const int nblocks = length / 4;
+ const uint32_t c1 = 0xcc9e2d51;
+ const uint32_t c2 = 0x1b873593;
+ uint32_t k1;
+ uint32_t k2 = 0;
+ int i;
+
+ /* NOTE: we always force a seed of 0 */
+ uint32_t h1 = 0;
+
+ /* body */
+ blocks = (const uint32_t *)(data + nblocks * 4);
+ for(i = -nblocks; i; i++) {
+ k1 = getblock32(blocks, i);
+
+ k1 *= c1;
+ k1 = rotl32(k1, 15);
+ k1 *= c2;
+
+ h1 ^= k1;
+ h1 = rotl32(h1, 13);
+ h1 = h1 * 5 + 0xe6546b64;
+ }
+
+ /* tail */
+ tail = (const uint8_t *)(data + nblocks * 4);
+ switch(length & 3) {
+ case 3:
+ k2 ^= tail[2] << 16;
+ case 2:
+ k2 ^= tail[1] << 8;
+ case 1:
+ k2 ^= tail[0];
+ k2 *= c1;
+ k2 = rotl32(k2, 15);
+ k2 *= c2;
+ h1 ^= k2;
+ };
+
+ /* finalization */
+ h1 ^= length;
+ h1 = fmix32(h1);
+
+ return h1;
+}
diff --git a/src/hash.h b/src/hash.h
new file mode 100644
index 0000000..357131d
--- /dev/null
+++ b/src/hash.h
@@ -0,0 +1,16 @@
+/**
+ * Seccomp Library hash code
+ *
+ * See hash.c for information on the implementation.
+ *
+ */
+
+#ifndef _HASH_H
+#define _HASH_H
+
+#include <inttypes.h>
+
+uint32_t hash(const void *key, size_t length);
+
+#endif
+
diff --git a/src/helper.c b/src/helper.c
new file mode 100644
index 0000000..c746749
--- /dev/null
+++ b/src/helper.c
@@ -0,0 +1,49 @@
+/**
+ * Helper functions for libseccomp
+ *
+ * Copyright (c) 2017 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "helper.h"
+
+/**
+ * Allocate memory
+ * @param size the size of the buffer to allocate
+ *
+ * This function allocates a buffer of the given size, initializes it to zero,
+ * and returns a pointer to buffer on success. NULL is returned on failure.
+ *
+ */
+void *zmalloc(size_t size)
+{
+ void *ptr;
+
+ /* NOTE: unlike malloc() zero size allocations always return NULL */
+ if (size == 0)
+ return NULL;
+
+ ptr = malloc(size);
+ if (!ptr)
+ return NULL;
+ memset(ptr, 0, size);
+
+ return ptr;
+}
diff --git a/src/helper.h b/src/helper.h
new file mode 100644
index 0000000..2d610ce
--- /dev/null
+++ b/src/helper.h
@@ -0,0 +1,27 @@
+/**
+ * Helper functions for libseccomp
+ *
+ * Copyright (c) 2017 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _FILTER_HELPER_H
+#define _FILTER_HELPER_H
+
+void *zmalloc(size_t size);
+
+#endif
diff --git a/src/python/Makefile.am b/src/python/Makefile.am
new file mode 100644
index 0000000..5166412
--- /dev/null
+++ b/src/python/Makefile.am
@@ -0,0 +1,52 @@
+####
+# Seccomp Library Python Bindings
+#
+
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of version 2.1 of the GNU Lesser General Public License
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, see <http://www.gnu.org/licenses>.
+#
+
+PY_DISTUTILS = \
+ VERSION_RELEASE="@PACKAGE_VERSION@" \
+ CPPFLAGS="-I\${top_srcdir}/include ${AM_CPPFLAGS} ${CPPFLAGS}" \
+ CFLAGS="${AM_CFLAGS} ${CFLAGS}" \
+ LDFLAGS="${AM_LDFLAGS} ${LDFLAGS}" \
+ ${PYTHON} ${srcdir}/setup.py
+
+# support silent builds
+PY_BUILD_0 = @echo " PYTHON " $@; ${PY_DISTUTILS} -q build
+PY_BUILD_1 = ${PY_DISTUTILS} build
+PY_BUILD_ = ${PY_BUILD_0}
+PY_BUILD = ${PY_BUILD_@AM_V@}
+
+PY_INSTALL = ${PY_DISTUTILS} install
+
+EXTRA_DIST = libseccomp.pxd seccomp.pyx setup.py
+
+all-local: build
+
+build: ../libseccomp.la libseccomp.pxd seccomp.pyx setup.py
+ [ ${srcdir} == ${builddir} ] || cp ${srcdir}/seccomp.pyx ${builddir}
+ ${PY_BUILD} && touch build
+
+install-exec-local: build
+ ${PY_INSTALL} --install-lib=${DESTDIR}/${pyexecdir} \
+ --record=${DESTDIR}/${pyexecdir}/install_files.txt
+
+uninstall-local:
+ cat ${DESTDIR}/${pyexecdir}/install_files.txt | xargs ${RM} -f
+ ${RM} -f ${DESTDIR}/${pyexecdir}/install_files.txt
+
+clean-local:
+ [ ${srcdir} == ${builddir} ] || ${RM} -f ${builddir}/seccomp.pyx
+ ${RM} -rf seccomp.c build dist seccomp.egg-info
diff --git a/src/python/Makefile.in b/src/python/Makefile.in
new file mode 100644
index 0000000..de9800d
--- /dev/null
+++ b/src/python/Makefile.in
@@ -0,0 +1,519 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+####
+# Seccomp Library Python Bindings
+#
+
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of version 2.1 of the GNU Lesser General Public License
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, see <http://www.gnu.org/licenses>.
+#
+VPATH = @srcdir@
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+ fi; \
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+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-local mostlyclean-am
+
+distclean: distclean-am
+ -rm -f Makefile
+distclean-am: clean-am distclean-generic
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-exec-local
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-local
+
+.MAKE: install-am install-strip
+
+.PHONY: all all-am all-local check check-am clean clean-generic \
+ clean-libtool clean-local cscopelist-am ctags-am distclean \
+ distclean-generic distclean-libtool distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-exec-local install-html \
+ install-html-am install-info install-info-am install-man \
+ install-pdf install-pdf-am install-ps install-ps-am \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ tags-am uninstall uninstall-am uninstall-local
+
+.PRECIOUS: Makefile
+
+
+all-local: build
+
+build: ../libseccomp.la libseccomp.pxd seccomp.pyx setup.py
+ [ ${srcdir} == ${builddir} ] || cp ${srcdir}/seccomp.pyx ${builddir}
+ ${PY_BUILD} && touch build
+
+install-exec-local: build
+ ${PY_INSTALL} --install-lib=${DESTDIR}/${pyexecdir} \
+ --record=${DESTDIR}/${pyexecdir}/install_files.txt
+
+uninstall-local:
+ cat ${DESTDIR}/${pyexecdir}/install_files.txt | xargs ${RM} -f
+ ${RM} -f ${DESTDIR}/${pyexecdir}/install_files.txt
+
+clean-local:
+ [ ${srcdir} == ${builddir} ] || ${RM} -f ${builddir}/seccomp.pyx
+ ${RM} -rf seccomp.c build dist seccomp.egg-info
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/python/libseccomp.pxd b/src/python/libseccomp.pxd
new file mode 100644
index 0000000..0629bf1
--- /dev/null
+++ b/src/python/libseccomp.pxd
@@ -0,0 +1,172 @@
+#
+# Seccomp Library Python Bindings
+#
+# Copyright (c) 2012,2013 Red Hat <pmoore@redhat.com>
+# Author: Paul Moore <paul@paul-moore.com>
+#
+
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of version 2.1 of the GNU Lesser General Public License as
+# published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+# for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, see <http://www.gnu.org/licenses>.
+#
+
+from libc.stdint cimport int8_t, int16_t, int32_t, int64_t
+from libc.stdint cimport uint8_t, uint16_t, uint32_t, uint64_t
+
+cdef extern from "seccomp.h":
+
+ cdef struct scmp_version:
+ unsigned int major
+ unsigned int minor
+ unsigned int micro
+
+ ctypedef void* scmp_filter_ctx
+
+ cdef enum:
+ SCMP_ARCH_NATIVE
+ SCMP_ARCH_X86
+ SCMP_ARCH_X86_64
+ SCMP_ARCH_X32
+ SCMP_ARCH_ARM
+ SCMP_ARCH_AARCH64
+ SCMP_ARCH_MIPS
+ SCMP_ARCH_MIPS64
+ SCMP_ARCH_MIPS64N32
+ SCMP_ARCH_MIPSEL
+ SCMP_ARCH_MIPSEL64
+ SCMP_ARCH_MIPSEL64N32
+ SCMP_ARCH_PARISC
+ SCMP_ARCH_PARISC64
+ SCMP_ARCH_PPC
+ SCMP_ARCH_PPC64
+ SCMP_ARCH_PPC64LE
+ SCMP_ARCH_S390
+ SCMP_ARCH_S390X
+ SCMP_ARCH_RISCV64
+
+ cdef enum scmp_filter_attr:
+ SCMP_FLTATR_ACT_DEFAULT
+ SCMP_FLTATR_ACT_BADARCH
+ SCMP_FLTATR_CTL_NNP
+ SCMP_FLTATR_CTL_TSYNC
+ SCMP_FLTATR_API_TSKIP
+ SCMP_FLTATR_CTL_LOG
+ SCMP_FLTATR_CTL_SSB
+ SCMP_FLTATR_CTL_OPTIMIZE
+ SCMP_FLTATR_API_SYSRAWRC
+
+ cdef enum scmp_compare:
+ SCMP_CMP_NE
+ SCMP_CMP_LT
+ SCMP_CMP_LE
+ SCMP_CMP_EQ
+ SCMP_CMP_GE
+ SCMP_CMP_GT
+ SCMP_CMP_MASKED_EQ
+
+ cdef enum:
+ SCMP_ACT_KILL_PROCESS
+ SCMP_ACT_KILL
+ SCMP_ACT_TRAP
+ SCMP_ACT_LOG
+ SCMP_ACT_ALLOW
+ SCMP_ACT_NOTIFY
+ unsigned int SCMP_ACT_ERRNO(int errno)
+ unsigned int SCMP_ACT_TRACE(int value)
+
+ ctypedef uint64_t scmp_datum_t
+
+ cdef struct scmp_arg_cmp:
+ unsigned int arg
+ scmp_compare op
+ scmp_datum_t datum_a
+ scmp_datum_t datum_b
+
+ cdef struct seccomp_data:
+ int nr
+ uint32_t arch
+ uint64_t instruction_pointer
+ uint64_t args[6]
+
+ cdef struct seccomp_notif_sizes:
+ uint16_t seccomp_notif
+ uint16_t seccomp_notif_resp
+ uint16_t seccomp_data
+
+ cdef struct seccomp_notif:
+ uint64_t id
+ uint32_t pid
+ uint32_t flags
+ seccomp_data data
+
+ cdef struct seccomp_notif_resp:
+ uint64_t id
+ int64_t val
+ int32_t error
+ uint32_t flags
+
+ scmp_version *seccomp_version()
+
+ unsigned int seccomp_api_get()
+ int seccomp_api_set(unsigned int level)
+
+ scmp_filter_ctx seccomp_init(uint32_t def_action)
+ int seccomp_reset(scmp_filter_ctx ctx, uint32_t def_action)
+ void seccomp_release(scmp_filter_ctx ctx)
+
+ int seccomp_merge(scmp_filter_ctx ctx_dst, scmp_filter_ctx ctx_src)
+
+ uint32_t seccomp_arch_resolve_name(char *arch_name)
+ uint32_t seccomp_arch_native()
+ int seccomp_arch_exist(scmp_filter_ctx ctx, int arch_token)
+ int seccomp_arch_add(scmp_filter_ctx ctx, int arch_token)
+ int seccomp_arch_remove(scmp_filter_ctx ctx, int arch_token)
+
+ int seccomp_load(scmp_filter_ctx ctx)
+
+ int seccomp_attr_get(scmp_filter_ctx ctx,
+ scmp_filter_attr attr, uint32_t* value)
+ int seccomp_attr_set(scmp_filter_ctx ctx,
+ scmp_filter_attr attr, uint32_t value)
+
+ char *seccomp_syscall_resolve_num_arch(int arch_token, int num)
+ int seccomp_syscall_resolve_name_arch(int arch_token, char *name)
+ int seccomp_syscall_resolve_name_rewrite(int arch_token, char *name)
+ int seccomp_syscall_resolve_name(char *name)
+ int seccomp_syscall_priority(scmp_filter_ctx ctx,
+ int syscall, uint8_t priority)
+
+ int seccomp_rule_add(scmp_filter_ctx ctx, uint32_t action,
+ int syscall, unsigned int arg_cnt, ...)
+ int seccomp_rule_add_array(scmp_filter_ctx ctx,
+ uint32_t action, int syscall,
+ unsigned int arg_cnt,
+ scmp_arg_cmp *arg_array)
+ int seccomp_rule_add_exact(scmp_filter_ctx ctx, uint32_t action,
+ int syscall, unsigned int arg_cnt, ...)
+ int seccomp_rule_add_exact_array(scmp_filter_ctx ctx,
+ uint32_t action, int syscall,
+ unsigned int arg_cnt,
+ scmp_arg_cmp *arg_array)
+
+ int seccomp_notify_alloc(seccomp_notif **req, seccomp_notif_resp **resp)
+ void seccomp_notify_free(seccomp_notif *req, seccomp_notif_resp *resp)
+ int seccomp_notify_receive(int fd, seccomp_notif *req)
+ int seccomp_notify_respond(int fd, seccomp_notif_resp *resp)
+ int seccomp_notify_id_valid(int fd, uint64_t id)
+ int seccomp_notify_fd(scmp_filter_ctx ctx)
+
+ int seccomp_export_pfc(scmp_filter_ctx ctx, int fd)
+ int seccomp_export_bpf(scmp_filter_ctx ctx, int fd)
+
+# kate: syntax python;
+# kate: indent-mode python; space-indent on; indent-width 4; mixedindent off;
diff --git a/src/python/seccomp.pyx b/src/python/seccomp.pyx
new file mode 100644
index 0000000..2eeabc1
--- /dev/null
+++ b/src/python/seccomp.pyx
@@ -0,0 +1,1048 @@
+#
+# Seccomp Library Python Bindings
+#
+# Copyright (c) 2012,2013,2017 Red Hat <pmoore@redhat.com>
+# Author: Paul Moore <paul@paul-moore.com>
+#
+
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of version 2.1 of the GNU Lesser General Public License as
+# published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+# for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, see <http://www.gnu.org/licenses>.
+#
+
+# cython: language_level = 3str
+
+""" Python bindings for the libseccomp library
+
+The libseccomp library provides and easy to use, platform independent,
+interface to the Linux Kernel's syscall filtering mechanism: seccomp. The
+libseccomp API is designed to abstract away the underlying BPF based
+syscall filter language and present a more conventional function-call
+based filtering interface that should be familiar to, and easily adopted
+by application developers.
+
+Filter action values:
+ KILL_PROCESS - kill the process
+ KILL - kill the thread
+ LOG - allow the syscall to be executed after the action has been logged
+ ALLOW - allow the syscall to execute
+ TRAP - a SIGSYS signal will be thrown
+ NOTIFY - a notification event will be sent via the notification API
+ ERRNO(x) - syscall will return (x)
+ TRACE(x) - if the process is being traced, (x) will be returned to the
+ tracing process via PTRACE_EVENT_SECCOMP and the
+ PTRACE_GETEVENTMSG option
+
+Argument comparison values (see the Arg class):
+
+ NE - arg != datum_a
+ LT - arg < datum_a
+ LE - arg <= datum_a
+ EQ - arg == datum_a
+ GT - arg > datum_a
+ GE - arg >= datum_a
+ MASKED_EQ - (arg & datum_a) == datum_b
+
+
+Example:
+
+ import sys
+ from seccomp import *
+
+ # create a filter object with a default KILL action
+ f = SyscallFilter(defaction=KILL)
+
+ # add some basic syscalls which python typically wants
+ f.add_rule(ALLOW, "rt_sigaction")
+ f.add_rule(ALLOW, "rt_sigreturn")
+ f.add_rule(ALLOW, "exit_group")
+ f.add_rule(ALLOW, "brk")
+
+ # add syscall filter rules to allow certain syscalls
+ f.add_rule(ALLOW, "open")
+ f.add_rule(ALLOW, "close")
+ f.add_rule(ALLOW, "read", Arg(0, EQ, sys.stdin.fileno()))
+ f.add_rule(ALLOW, "write", Arg(0, EQ, sys.stdout.fileno()))
+ f.add_rule(ALLOW, "write", Arg(0, EQ, sys.stderr.fileno()))
+
+ # load the filter into the kernel
+ f.load()
+"""
+__author__ = 'Paul Moore <paul@paul-moore.com>'
+__date__ = "3 February 2017"
+
+from cpython.version cimport PY_MAJOR_VERSION
+from libc.stdint cimport int8_t, int16_t, int32_t, int64_t
+from libc.stdint cimport uint8_t, uint16_t, uint32_t, uint64_t
+from libc.stdlib cimport free
+import errno
+
+cimport libseccomp
+
+def c_str(string):
+ """ Convert a Python string to a C string.
+
+ Arguments:
+ string - the Python string
+
+ Description:
+ Convert the Python string into a form usable by C taking into consideration
+ the Python major version, e.g. Python 2.x or Python 3.x.
+ See http://docs.cython.org/en/latest/src/tutorial/strings.html for more
+ information.
+ """
+ if PY_MAJOR_VERSION < 3:
+ return string
+ else:
+ return bytes(string, "ascii")
+
+KILL_PROCESS = libseccomp.SCMP_ACT_KILL_PROCESS
+KILL = libseccomp.SCMP_ACT_KILL
+TRAP = libseccomp.SCMP_ACT_TRAP
+LOG = libseccomp.SCMP_ACT_LOG
+ALLOW = libseccomp.SCMP_ACT_ALLOW
+NOTIFY = libseccomp.SCMP_ACT_NOTIFY
+def ERRNO(int errno):
+ """The action ERRNO(x) means that the syscall will return (x).
+ To conform to Linux syscall calling conventions, the syscall return
+ value should almost always be a negative number.
+ """
+ return libseccomp.SCMP_ACT_ERRNO(errno)
+def TRACE(int value):
+ """The action TRACE(x) means that, if the process is being traced, (x)
+ will be returned to the tracing process via PTRACE_EVENT_SECCOMP
+ and the PTRACE_GETEVENTMSG option.
+ """
+ return libseccomp.SCMP_ACT_TRACE(value)
+
+NE = libseccomp.SCMP_CMP_NE
+LT = libseccomp.SCMP_CMP_LT
+LE = libseccomp.SCMP_CMP_LE
+EQ = libseccomp.SCMP_CMP_EQ
+GE = libseccomp.SCMP_CMP_GE
+GT = libseccomp.SCMP_CMP_GT
+MASKED_EQ = libseccomp.SCMP_CMP_MASKED_EQ
+
+def system_arch():
+ """ Return the system architecture value.
+
+ Description:
+ Returns the native system architecture value.
+ """
+ return libseccomp.seccomp_arch_native()
+
+def resolve_syscall(arch, syscall):
+ """ Resolve the syscall.
+
+ Arguments:
+ arch - the architecture value, e.g. Arch.*
+ syscall - the syscall name or number
+
+ Description:
+ Resolve an architecture's syscall name to the correct number or the
+ syscall number to the correct name.
+ """
+ cdef char *ret_str
+
+ if isinstance(syscall, basestring):
+ return libseccomp.seccomp_syscall_resolve_name_rewrite(arch,
+ c_str(syscall))
+ elif isinstance(syscall, int):
+ ret_str = libseccomp.seccomp_syscall_resolve_num_arch(arch, syscall)
+ if ret_str is NULL:
+ raise ValueError('Unknown syscall %d on arch %d' % (syscall, arch))
+ else:
+ return ret_str
+ else:
+ raise TypeError("Syscall must either be an int or str type")
+
+def get_api():
+ """ Query the level of API support
+
+ Description:
+ Returns the API level value indicating the current supported
+ functionality.
+ """
+ level = libseccomp.seccomp_api_get()
+ if level < 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", level))
+
+ return level
+
+def set_api(unsigned int level):
+ """ Set the level of API support
+
+ Arguments:
+ level - the API level
+
+ Description:
+ This function forcibly sets the API level at runtime. General use
+ of this function is strongly discouraged.
+ """
+ rc = libseccomp.seccomp_api_set(level)
+ if rc == -errno.EINVAL:
+ raise ValueError("Invalid level")
+ elif rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+cdef class Arch:
+ """ Python object representing the SyscallFilter architecture values.
+
+ Data values:
+ NATIVE - the native architecture
+ X86 - 32-bit x86
+ X86_64 - 64-bit x86
+ X32 - 64-bit x86 using the x32 ABI
+ ARM - ARM
+ AARCH64 - 64-bit ARM
+ MIPS - MIPS O32 ABI
+ MIPS64 - MIPS 64-bit ABI
+ MIPS64N32 - MIPS N32 ABI
+ MIPSEL - MIPS little endian O32 ABI
+ MIPSEL64 - MIPS little endian 64-bit ABI
+ MIPSEL64N32 - MIPS little endian N32 ABI
+ PARISC - 32-bit PA-RISC
+ PARISC64 - 64-bit PA-RISC
+ PPC64 - 64-bit PowerPC
+ PPC - 32-bit PowerPC
+ RISCV64 - 64-bit RISC-V
+ """
+
+ cdef int _token
+
+ NATIVE = libseccomp.SCMP_ARCH_NATIVE
+ X86 = libseccomp.SCMP_ARCH_X86
+ X86_64 = libseccomp.SCMP_ARCH_X86_64
+ X32 = libseccomp.SCMP_ARCH_X32
+ ARM = libseccomp.SCMP_ARCH_ARM
+ AARCH64 = libseccomp.SCMP_ARCH_AARCH64
+ MIPS = libseccomp.SCMP_ARCH_MIPS
+ MIPS64 = libseccomp.SCMP_ARCH_MIPS64
+ MIPS64N32 = libseccomp.SCMP_ARCH_MIPS64N32
+ MIPSEL = libseccomp.SCMP_ARCH_MIPSEL
+ MIPSEL64 = libseccomp.SCMP_ARCH_MIPSEL64
+ MIPSEL64N32 = libseccomp.SCMP_ARCH_MIPSEL64N32
+ PARISC = libseccomp.SCMP_ARCH_PARISC
+ PARISC64 = libseccomp.SCMP_ARCH_PARISC64
+ PPC = libseccomp.SCMP_ARCH_PPC
+ PPC64 = libseccomp.SCMP_ARCH_PPC64
+ PPC64LE = libseccomp.SCMP_ARCH_PPC64LE
+ S390 = libseccomp.SCMP_ARCH_S390
+ S390X = libseccomp.SCMP_ARCH_S390X
+ RISCV64 = libseccomp.SCMP_ARCH_RISCV64
+
+ def __cinit__(self, arch=libseccomp.SCMP_ARCH_NATIVE):
+ """ Initialize the architecture object.
+
+ Arguments:
+ arch - the architecture name or token value
+
+ Description:
+ Create an architecture object using the given name or token value.
+ """
+ if isinstance(arch, int):
+ if arch == libseccomp.SCMP_ARCH_NATIVE:
+ self._token = libseccomp.seccomp_arch_native()
+ elif arch == libseccomp.SCMP_ARCH_X86:
+ self._token = libseccomp.SCMP_ARCH_X86
+ elif arch == libseccomp.SCMP_ARCH_X86_64:
+ self._token = libseccomp.SCMP_ARCH_X86_64
+ elif arch == libseccomp.SCMP_ARCH_X32:
+ self._token = libseccomp.SCMP_ARCH_X32
+ elif arch == libseccomp.SCMP_ARCH_ARM:
+ self._token = libseccomp.SCMP_ARCH_ARM
+ elif arch == libseccomp.SCMP_ARCH_AARCH64:
+ self._token = libseccomp.SCMP_ARCH_AARCH64
+ elif arch == libseccomp.SCMP_ARCH_MIPS:
+ self._token = libseccomp.SCMP_ARCH_MIPS
+ elif arch == libseccomp.SCMP_ARCH_MIPS64:
+ self._token = libseccomp.SCMP_ARCH_MIPS64
+ elif arch == libseccomp.SCMP_ARCH_MIPS64N32:
+ self._token = libseccomp.SCMP_ARCH_MIPS64N32
+ elif arch == libseccomp.SCMP_ARCH_MIPSEL:
+ self._token = libseccomp.SCMP_ARCH_MIPSEL
+ elif arch == libseccomp.SCMP_ARCH_MIPSEL64:
+ self._token = libseccomp.SCMP_ARCH_MIPSEL64
+ elif arch == libseccomp.SCMP_ARCH_MIPSEL64N32:
+ self._token = libseccomp.SCMP_ARCH_MIPSEL64N32
+ elif arch == libseccomp.SCMP_ARCH_PARISC:
+ self._token = libseccomp.SCMP_ARCH_PARISC
+ elif arch == libseccomp.SCMP_ARCH_PARISC64:
+ self._token = libseccomp.SCMP_ARCH_PARISC64
+ elif arch == libseccomp.SCMP_ARCH_PPC:
+ self._token = libseccomp.SCMP_ARCH_PPC
+ elif arch == libseccomp.SCMP_ARCH_PPC64:
+ self._token = libseccomp.SCMP_ARCH_PPC64
+ elif arch == libseccomp.SCMP_ARCH_PPC64LE:
+ self._token = libseccomp.SCMP_ARCH_PPC64LE
+ elif arch == libseccomp.SCMP_ARCH_S390:
+ self._token = libseccomp.SCMP_ARCH_S390
+ elif arch == libseccomp.SCMP_ARCH_S390X:
+ self._token = libseccomp.SCMP_ARCH_S390X
+ else:
+ self._token = 0;
+ elif isinstance(arch, basestring):
+ self._token = libseccomp.seccomp_arch_resolve_name(c_str(arch))
+ else:
+ raise TypeError("Architecture must be an int or str type")
+ if self._token == 0:
+ raise ValueError("Invalid architecture")
+
+ def __int__(self):
+ """ Convert the architecture object to a token value.
+
+ Description:
+ Convert the architecture object to an integer representing the
+ architecture's token value.
+ """
+ return self._token
+
+cdef class Attr:
+ """ Python object representing the SyscallFilter attributes.
+
+ Data values:
+ ACT_DEFAULT - the filter's default action
+ ACT_BADARCH - the filter's bad architecture action
+ CTL_NNP - the filter's "no new privileges" flag
+ CTL_NNP - the filter's thread sync flag
+ CTL_TSYNC - sync threads on filter load
+ CTL_TSKIP - allow rules with a -1 syscall number
+ CTL_LOG - log not-allowed actions
+ CTL_SSB - disable SSB mitigations
+ CTL_OPTIMIZE - the filter's optimization level:
+ 0: currently unused
+ 1: rules weighted by priority and complexity (DEFAULT)
+ 2: binary tree sorted by syscall number
+ API_SYSRAWRC - return the raw syscall codes
+ """
+ ACT_DEFAULT = libseccomp.SCMP_FLTATR_ACT_DEFAULT
+ ACT_BADARCH = libseccomp.SCMP_FLTATR_ACT_BADARCH
+ CTL_NNP = libseccomp.SCMP_FLTATR_CTL_NNP
+ CTL_TSYNC = libseccomp.SCMP_FLTATR_CTL_TSYNC
+ API_TSKIP = libseccomp.SCMP_FLTATR_API_TSKIP
+ CTL_LOG = libseccomp.SCMP_FLTATR_CTL_LOG
+ CTL_SSB = libseccomp.SCMP_FLTATR_CTL_SSB
+ CTL_OPTIMIZE = libseccomp.SCMP_FLTATR_CTL_OPTIMIZE
+ API_SYSRAWRC = libseccomp.SCMP_FLTATR_API_SYSRAWRC
+
+cdef class Arg:
+ """ Python object representing a SyscallFilter syscall argument.
+ """
+ cdef libseccomp.scmp_arg_cmp _arg
+
+ def __cinit__(self, arg, op, datum_a, datum_b = 0):
+ """ Initialize the argument comparison.
+
+ Arguments:
+ arg - the argument number, starting at 0
+ op - the argument comparison operator, e.g. {NE,LT,LE,...}
+ datum_a - argument value
+ datum_b - argument value, only valid when op == MASKED_EQ
+
+ Description:
+ Create an argument comparison object for use with SyscallFilter.
+ """
+ self._arg.arg = arg
+ self._arg.op = op
+ self._arg.datum_a = datum_a
+ self._arg.datum_b = datum_b
+
+ cdef libseccomp.scmp_arg_cmp to_c(self):
+ """ Convert the object into a C structure.
+
+ Description:
+ Helper function which should only be used internally by
+ SyscallFilter objects and exists for the sole purpose of making it
+ easier to deal with the varadic functions of the libseccomp API,
+ e.g. seccomp_rule_add().
+ """
+ return self._arg
+
+cdef class Notification:
+ """ Python object representing a seccomp notification.
+ """
+ cdef uint64_t _id
+ cdef uint32_t _pid
+ cdef uint32_t _flags
+ cdef int _syscall
+ cdef uint32_t _syscall_arch
+ cdef uint64_t _syscall_ip
+ cdef uint64_t _syscall_args[6]
+
+ def __cinit__(self, id, pid, flags, syscall, arch, ip, args):
+ """ Initialize the notification.
+
+ Arguments:
+ id - the notification ID
+ pid - the process ID
+ flags - the notification flags
+ syscall - the syscall number
+ ip - the instruction pointer
+ args - list of the six syscall arguments
+
+ Description:
+ Create a seccomp Notification object.
+ """
+ self._id = id
+ self._pid = pid
+ self._flags = flags
+ self._syscall = syscall
+ self._syscall_arch = arch
+ self._syscall_ip = ip
+ self._syscall_args[0] = args[0]
+ self._syscall_args[1] = args[1]
+ self._syscall_args[2] = args[2]
+ self._syscall_args[3] = args[3]
+ self._syscall_args[4] = args[4]
+ self._syscall_args[5] = args[5]
+
+ @property
+ def id(self):
+ """ Get the seccomp notification ID.
+
+ Description:
+ Get the seccomp notification ID.
+ """
+ return self._id
+
+ @property
+ def pid(self):
+ """ Get the seccomp notification process ID.
+
+ Description:
+ Get the seccomp notification process ID.
+ """
+ return self._pid
+
+ @property
+ def flags(self):
+ """ Get the seccomp notification flags.
+
+ Description:
+ Get the seccomp notification flags.
+ """
+ return self._flags
+
+ @property
+ def syscall(self):
+ """ Get the seccomp notification syscall.
+
+ Description:
+ Get the seccomp notification syscall.
+ """
+ return self._syscall
+
+ @property
+ def syscall_arch(self):
+ """ Get the seccomp notification syscall architecture.
+
+ Description:
+ Get the seccomp notification syscall architecture.
+ """
+ return self._syscall_arch
+
+ @property
+ def syscall_ip(self):
+ """ Get the seccomp notification syscall instruction pointer.
+
+ Description:
+ Get the seccomp notification syscall instruction pointer.
+ """
+ return self._syscall_ip
+
+ @property
+ def syscall_args(self):
+ """ Get the seccomp notification syscall arguments.
+
+ Description:
+ Get the seccomp notification syscall arguments in a six element list.
+ """
+ return [self._syscall_args[0], self._syscall_args[1],
+ self._syscall_args[2], self._syscall_args[3],
+ self._syscall_args[4], self._syscall_args[5]]
+
+cdef class NotificationResponse:
+ """ Python object representing a seccomp notification response.
+ """
+ cdef uint64_t _id
+ cdef int64_t _val
+ cdef int32_t _error
+ cdef uint32_t _flags
+
+ def __cinit__(self, notify, val = 0, error = 0, flags = 0):
+ """ Initialize the notification response.
+
+ Arguments:
+ notify - a Notification object
+ val - the notification response value
+ error - the notification response error
+ flags - the notification response flags
+
+ Description:
+ Create a seccomp NotificationResponse object.
+ """
+ self._id = notify.id
+ self._val = val
+ self._error = error
+ self._flags = flags
+
+ @property
+ def id(self):
+ """ Get the seccomp notification response ID.
+
+ Description:
+ Get the seccomp notification response ID.
+ """
+ return self._id
+
+ @id.setter
+ def id(self, value):
+ """ Set the seccomp notification response ID.
+
+ Arguments:
+ id - the notification response ID
+
+ Description:
+ Set the seccomp notification response ID.
+ """
+ self._id = value
+
+ @property
+ def val(self):
+ """ Get the seccomp notification response value.
+
+ Description:
+ Get the seccomp notification response value.
+ """
+ return self._val
+
+ @val.setter
+ def val(self, value):
+ """ Set the seccomp notification response value.
+
+ Arguments:
+ val - the notification response value
+
+ Description:
+ Set the seccomp notification response value.
+ """
+ self._val = value
+
+ @property
+ def error(self):
+ """ Get the seccomp notification response error.
+
+ Description:
+ Get the seccomp notification response error.
+ """
+ return self._error
+
+ @error.setter
+ def error(self, value):
+ """ Set the seccomp notification response error.
+
+ Arguments:
+ error - the notification response error
+
+ Description:
+ Set the seccomp notification response error.
+ """
+ self._error = value
+
+ @property
+ def flags(self):
+ """ Get the seccomp notification response flags.
+
+ Description:
+ Get the seccomp notification response flags.
+ """
+ return self._flags
+
+ @flags.setter
+ def flags(self, value):
+ """ Set the seccomp notification response flags.
+
+ Arguments:
+ flags - the notification response flags
+
+ Description:
+ Set the seccomp notification response flags.
+ """
+ self._flags = value
+
+cdef class SyscallFilter:
+ """ Python object representing a seccomp syscall filter. """
+ cdef int _defaction
+ cdef libseccomp.scmp_filter_ctx _ctx
+
+ def __cinit__(self, int defaction):
+ self._ctx = libseccomp.seccomp_init(defaction)
+ if self._ctx == NULL:
+ raise RuntimeError("Library error")
+ _defaction = defaction
+
+ def __init__(self, defaction):
+ """ Initialize the filter state
+
+ Arguments:
+ defaction - the default filter action
+
+ Description:
+ Initializes the seccomp filter state to the defaults.
+ """
+
+ def __dealloc__(self):
+ """ Destroys the filter state and releases any resources.
+
+ Description:
+ Destroys the seccomp filter state and releases any resources
+ associated with the filter state. This function does not affect
+ any seccomp filters already loaded into the kernel.
+ """
+ if self._ctx != NULL:
+ libseccomp.seccomp_release(self._ctx)
+
+ def reset(self, int defaction = -1):
+ """ Reset the filter state.
+
+ Arguments:
+ defaction - the default filter action
+
+ Description:
+ Resets the seccomp filter state to an initial default state, if a
+ default filter action is not specified in the reset call the
+ original action will be reused. This function does not affect any
+ seccomp filters alread loaded into the kernel.
+ """
+ if defaction == -1:
+ defaction = self._defaction
+ rc = libseccomp.seccomp_reset(self._ctx, defaction)
+ if rc == -errno.EINVAL:
+ raise ValueError("Invalid action")
+ if rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+ _defaction = defaction
+
+ def merge(self, SyscallFilter filter):
+ """ Merge two existing SyscallFilter objects.
+
+ Arguments:
+ filter - a valid SyscallFilter object
+
+ Description:
+ Merges a valid SyscallFilter object with the current SyscallFilter
+ object; the passed filter object will be reset on success. In
+ order to successfully merge two seccomp filters they must have the
+ same attribute values and not share any of the same architectures.
+ """
+ rc = libseccomp.seccomp_merge(self._ctx, filter._ctx)
+ if rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+ filter._ctx = NULL
+ filter = SyscallFilter(filter._defaction)
+
+ def exist_arch(self, arch):
+ """ Check if the seccomp filter contains a given architecture.
+
+ Arguments:
+ arch - the architecture value, e.g. Arch.*
+
+ Description:
+ Test to see if a given architecture is included in the filter.
+ Return True is the architecture exists, False if it does not
+ exist.
+ """
+ rc = libseccomp.seccomp_arch_exist(self._ctx, arch)
+ if rc == 0:
+ return True
+ elif rc == -errno.EEXIST:
+ return False
+ elif rc == -errno.EINVAL:
+ raise ValueError("Invalid architecture")
+ else:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+ def add_arch(self, arch):
+ """ Add an architecture to the filter.
+
+ Arguments:
+ arch - the architecture value, e.g. Arch.*
+
+ Description:
+ Add the given architecture to the filter. Any new rules added
+ after this method returns successfully will be added to this new
+ architecture, but any existing rules will not be added to the new
+ architecture.
+ """
+ rc = libseccomp.seccomp_arch_add(self._ctx, arch)
+ if rc == -errno.EINVAL:
+ raise ValueError("Invalid architecture")
+ elif rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+ def remove_arch(self, arch):
+ """ Remove an architecture from the filter.
+
+ Arguments:
+ arch - the architecture value, e.g. Arch.*
+
+ Description:
+ Remove the given architecture from the filter. The filter must
+ always contain at least one architecture, so if only one
+ architecture exists in the filter this method will fail.
+ """
+ rc = libseccomp.seccomp_arch_remove(self._ctx, arch)
+ if rc == -errno.EINVAL:
+ raise ValueError("Invalid architecture")
+ elif rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+ def load(self):
+ """ Load the filter into the Linux Kernel.
+
+ Description:
+ Load the current filter into the Linux Kernel. As soon as the
+ method returns the filter will be active and enforcing.
+ """
+ rc = libseccomp.seccomp_load(self._ctx)
+ if rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+ def get_attr(self, attr):
+ """ Get an attribute value from the filter.
+
+ Arguments:
+ attr - the attribute, e.g. Attr.*
+
+ Description:
+ Lookup the given attribute in the filter and return the
+ attribute's value to the caller.
+ """
+ cdef uint32_t value = 0
+ rc = libseccomp.seccomp_attr_get(self._ctx,
+ attr, <uint32_t *>&value)
+ if rc == -errno.EINVAL:
+ raise ValueError("Invalid attribute")
+ elif rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+ return value
+
+ def set_attr(self, attr, int value):
+ """ Set a filter attribute.
+
+ Arguments:
+ attr - the attribute, e.g. Attr.*
+ value - the attribute value
+
+ Description:
+ Lookup the given attribute in the filter and assign it the given
+ value.
+ """
+ rc = libseccomp.seccomp_attr_set(self._ctx, attr, value)
+ if rc == -errno.EINVAL:
+ raise ValueError("Invalid attribute")
+ elif rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+ def syscall_priority(self, syscall, int priority):
+ """ Set the filter priority of a syscall.
+
+ Arguments:
+ syscall - the syscall name or number
+ priority - the priority of the syscall
+
+ Description:
+ Set the filter priority of the given syscall. A syscall with a
+ higher priority will have less overhead in the generated filter
+ code which is loaded into the system. Priority values can range
+ from 0 to 255 inclusive.
+ """
+ if priority < 0 or priority > 255:
+ raise ValueError("Syscall priority must be between 0 and 255")
+ if isinstance(syscall, str):
+ syscall_str = syscall.encode()
+ syscall_num = libseccomp.seccomp_syscall_resolve_name(syscall_str)
+ elif isinstance(syscall, int):
+ syscall_num = syscall
+ else:
+ raise TypeError("Syscall must either be an int or str type")
+ rc = libseccomp.seccomp_syscall_priority(self._ctx,
+ syscall_num, priority)
+ if rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+ def add_rule(self, int action, syscall, *args):
+ """ Add a new rule to filter.
+
+ Arguments:
+ action - the rule action: KILL_PROCESS, KILL, TRAP, ERRNO(), TRACE(),
+ LOG, or ALLOW
+ syscall - the syscall name or number
+ args - variable number of Arg objects
+
+ Description:
+ Add a new rule to the filter, matching on the given syscall and an
+ optional list of argument comparisons. If the rule is triggered
+ the given action will be taken by the kernel. In order for the
+ rule to trigger, the syscall as well as each argument comparison
+ must be true.
+
+ In the case where the specific rule is not valid on a specific
+ architecture, e.g. socket() on 32-bit x86, this method rewrites
+ the rule to the best possible match. If you don't want this fule
+ rewriting to take place use add_rule_exactly().
+ """
+ cdef libseccomp.scmp_arg_cmp c_arg[6]
+ if isinstance(syscall, str):
+ syscall_str = syscall.encode()
+ syscall_num = libseccomp.seccomp_syscall_resolve_name(syscall_str)
+ elif isinstance(syscall, int):
+ syscall_num = syscall
+ else:
+ raise TypeError("Syscall must either be an int or str type")
+ """ NOTE: the code below exists solely to deal with the varadic
+ nature of seccomp_rule_add() function and the inability of Cython
+ to handle this automatically """
+ if len(args) > 6:
+ raise RuntimeError("Maximum number of arguments exceeded")
+ cdef Arg arg
+ for i, arg in enumerate(args):
+ c_arg[i] = arg.to_c()
+ if len(args) == 0:
+ rc = libseccomp.seccomp_rule_add(self._ctx, action, syscall_num, 0)
+ elif len(args) == 1:
+ rc = libseccomp.seccomp_rule_add(self._ctx, action, syscall_num,
+ len(args),
+ c_arg[0])
+ elif len(args) == 2:
+ rc = libseccomp.seccomp_rule_add(self._ctx, action, syscall_num,
+ len(args),
+ c_arg[0],
+ c_arg[1])
+ elif len(args) == 3:
+ rc = libseccomp.seccomp_rule_add(self._ctx, action, syscall_num,
+ len(args),
+ c_arg[0],
+ c_arg[1],
+ c_arg[2])
+ elif len(args) == 4:
+ rc = libseccomp.seccomp_rule_add(self._ctx, action, syscall_num,
+ len(args),
+ c_arg[0],
+ c_arg[1],
+ c_arg[2],
+ c_arg[3])
+ elif len(args) == 5:
+ rc = libseccomp.seccomp_rule_add(self._ctx, action, syscall_num,
+ len(args),
+ c_arg[0],
+ c_arg[1],
+ c_arg[2],
+ c_arg[3],
+ c_arg[4])
+ elif len(args) == 6:
+ rc = libseccomp.seccomp_rule_add(self._ctx, action, syscall_num,
+ len(args),
+ c_arg[0],
+ c_arg[1],
+ c_arg[2],
+ c_arg[3],
+ c_arg[4],
+ c_arg[5])
+ else:
+ raise RuntimeError("Maximum number of arguments exceeded")
+ if rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+ def add_rule_exactly(self, int action, syscall, *args):
+ """ Add a new rule to filter.
+
+ Arguments:
+ action - the rule action: KILL_PROCESS, KILL, TRAP, ERRNO(), TRACE(),
+ LOG, or ALLOW
+ syscall - the syscall name or number
+ args - variable number of Arg objects
+
+ Description:
+ Add a new rule to the filter, matching on the given syscall and an
+ optional list of argument comparisons. If the rule is triggered
+ the given action will be taken by the kernel. In order for the
+ rule to trigger, the syscall as well as each argument comparison
+ must be true.
+
+ This method attempts to add the filter rule exactly as specified
+ which can cause problems on certain architectures, e.g. socket()
+ on 32-bit x86. For a architecture independent version of this
+ method use add_rule().
+ """
+ cdef libseccomp.scmp_arg_cmp c_arg[6]
+ if isinstance(syscall, str):
+ syscall_str = syscall.encode()
+ syscall_num = libseccomp.seccomp_syscall_resolve_name(syscall_str)
+ elif isinstance(syscall, int):
+ syscall_num = syscall
+ else:
+ raise TypeError("Syscall must either be an int or str type")
+ """ NOTE: the code below exists solely to deal with the varadic
+ nature of seccomp_rule_add_exact() function and the inability of
+ Cython to handle this automatically """
+ if len(args) > 6:
+ raise RuntimeError("Maximum number of arguments exceeded")
+ cdef Arg arg
+ for i, arg in enumerate(args):
+ c_arg[i] = arg.to_c()
+ if len(args) == 0:
+ rc = libseccomp.seccomp_rule_add_exact(self._ctx, action,
+ syscall_num, 0)
+ elif len(args) == 1:
+ rc = libseccomp.seccomp_rule_add_exact(self._ctx, action,
+ syscall_num, len(args),
+ c_arg[0])
+ elif len(args) == 2:
+ rc = libseccomp.seccomp_rule_add_exact(self._ctx, action,
+ syscall_num, len(args),
+ c_arg[0],
+ c_arg[1])
+ elif len(args) == 3:
+ rc = libseccomp.seccomp_rule_add_exact(self._ctx, action,
+ syscall_num, len(args),
+ c_arg[0],
+ c_arg[1],
+ c_arg[2])
+ elif len(args) == 4:
+ rc = libseccomp.seccomp_rule_add_exact(self._ctx, action,
+ syscall_num, len(args),
+ c_arg[0],
+ c_arg[1],
+ c_arg[2],
+ c_arg[3])
+ elif len(args) == 5:
+ rc = libseccomp.seccomp_rule_add_exact(self._ctx, action,
+ syscall_num, len(args),
+ c_arg[0],
+ c_arg[1],
+ c_arg[2],
+ c_arg[3],
+ c_arg[4])
+ elif len(args) == 6:
+ rc = libseccomp.seccomp_rule_add_exact(self._ctx, action,
+ syscall_num, len(args),
+ c_arg[0],
+ c_arg[1],
+ c_arg[2],
+ c_arg[3],
+ c_arg[4],
+ c_arg[5])
+ else:
+ raise RuntimeError("Maximum number of arguments exceeded")
+ if rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+ def receive_notify(self):
+ """ Receive seccomp notifications.
+
+ Description:
+ Receive a seccomp notification from the system, requires the use of
+ the NOTIFY action.
+ """
+ cdef libseccomp.seccomp_notif *req
+
+ fd = libseccomp.seccomp_notify_fd(self._ctx)
+ if fd < 0:
+ raise RuntimeError("Notifications not enabled/active")
+ rc = libseccomp.seccomp_notify_alloc(&req, NULL)
+ if rc < 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+ rc = libseccomp.seccomp_notify_receive(fd, req)
+ if rc < 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+ rc = libseccomp.seccomp_notify_id_valid(fd, req.id)
+ if rc < 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+ notify = Notification(req.id, req.pid, req.flags, req.data.nr,
+ req.data.arch, req.data.instruction_pointer,
+ [req.data.args[0], req.data.args[1],
+ req.data.args[2], req.data.args[3],
+ req.data.args[4], req.data.args[5]])
+ free(req)
+ return notify
+
+ def respond_notify(self, response):
+ """ Send a seccomp notification response.
+
+ Arguments:
+ response - the response to send to the system
+
+ Description:
+ Respond to a seccomp notification.
+ """
+ cdef libseccomp.seccomp_notif_resp *resp
+
+ fd = libseccomp.seccomp_notify_fd(self._ctx)
+ if fd < 0:
+ raise RuntimeError("Notifications not enabled/active")
+ rc = libseccomp.seccomp_notify_alloc(NULL, &resp)
+ if rc < 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+ resp.id = response.id
+ resp.val = response.val
+ resp.error = response.error
+ resp.flags = response.flags
+ rc = libseccomp.seccomp_notify_respond(fd, resp)
+ if rc < 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+ def get_notify_fd(self):
+ """ Get the seccomp notification file descriptor
+
+ Description:
+ Returns the seccomp listener file descriptor that was generated when
+ the seccomp policy was loaded. This is only valid after load() with a
+ filter that makes use of the NOTIFY action.
+ """
+ fd = libseccomp.seccomp_notify_fd(self._ctx)
+ if fd < 0:
+ raise RuntimeError("Notifications not enabled/active")
+ return fd
+
+ def export_pfc(self, file):
+ """ Export the filter in PFC format.
+
+ Arguments:
+ file - the output file
+
+ Description:
+ Output the filter in Pseudo Filter Code (PFC) to the given file.
+ The output is functionally equivalent to the BPF based filter
+ which is loaded into the Linux Kernel.
+ """
+ rc = libseccomp.seccomp_export_pfc(self._ctx, file.fileno())
+ if rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+ def export_bpf(self, file):
+ """ Export the filter in BPF format.
+
+ Arguments:
+ file - the output file
+
+ Description:
+ Output the filter in Berkeley Packet Filter (BPF) to the given
+ file. The output is identical to what is loaded into the
+ Linux Kernel.
+ """
+ rc = libseccomp.seccomp_export_bpf(self._ctx, file.fileno())
+ if rc != 0:
+ raise RuntimeError(str.format("Library error (errno = {0})", rc))
+
+# kate: syntax python;
+# kate: indent-mode python; space-indent on; indent-width 4; mixedindent off;
diff --git a/src/python/setup.py b/src/python/setup.py
new file mode 100755
index 0000000..0419111
--- /dev/null
+++ b/src/python/setup.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+
+#
+# Enhanced Seccomp Library Python Module Build Script
+#
+# Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+# Author: Paul Moore <paul@paul-moore.com>
+#
+
+#
+# This library is free software; you can redistribute it and/or modify it
+# under the terms of version 2.1 of the GNU Lesser General Public License as
+# published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+# for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, see <http://www.gnu.org/licenses>.
+#
+
+import os
+
+from distutils.core import setup
+from distutils.extension import Extension
+from Cython.Distutils import build_ext
+
+setup(
+ name = "seccomp",
+ version = os.environ["VERSION_RELEASE"],
+ description = "Python binding for libseccomp",
+ long_description = "Python API for the Linux Kernel's syscall filtering capability, seccomp.",
+ url = "https://github.com/seccomp/libseccomp",
+ maintainer = "Paul Moore",
+ maintainer_email = "paul@paul-moore.com",
+ license = "LGPLv2.1",
+ platforms = "Linux",
+ cmdclass = {'build_ext': build_ext},
+ ext_modules = [
+ Extension("seccomp", ["seccomp.pyx"],
+ # unable to handle libtool libraries directly
+ extra_objects=["../.libs/libseccomp.a"],
+ # fix build warnings, see PEP 3123
+ extra_compile_args=["-fno-strict-aliasing"])
+ ]
+)
diff --git a/src/syscalls.c b/src/syscalls.c
new file mode 100644
index 0000000..9c58c12
--- /dev/null
+++ b/src/syscalls.c
@@ -0,0 +1,551 @@
+/**
+ * Enhanced Seccomp Syscall Table Functions
+ *
+ * Copyright (c) 2012, 2020 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ * gperf support: Giuseppe Scrivano <gscrivan@redhat.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <seccomp.h>
+
+#include "db.h"
+#include "arch.h"
+#include "syscalls.h"
+
+/**
+ * Resolve a syscall name to a number
+ * @param arch the arch definition
+ * @param name the syscall name
+ *
+ * Resolve the given syscall name to the syscall number using the syscall table.
+ * Returns the syscall number on success, including negative pseudo syscall
+ * numbers; returns __NR_SCMP_ERROR on failure.
+ *
+ */
+int abi_syscall_resolve_name_munge(const struct arch_def *arch,
+ const char *name)
+{
+
+#define _ABI_SYSCALL_RES_NAME_CHK(NAME) \
+ if (!strcmp(name, #NAME)) return __PNR_##NAME;
+
+ _ABI_SYSCALL_RES_NAME_CHK(socket)
+ _ABI_SYSCALL_RES_NAME_CHK(bind)
+ _ABI_SYSCALL_RES_NAME_CHK(connect)
+ _ABI_SYSCALL_RES_NAME_CHK(listen)
+ _ABI_SYSCALL_RES_NAME_CHK(accept)
+ _ABI_SYSCALL_RES_NAME_CHK(getsockname)
+ _ABI_SYSCALL_RES_NAME_CHK(getpeername)
+ _ABI_SYSCALL_RES_NAME_CHK(socketpair)
+ _ABI_SYSCALL_RES_NAME_CHK(send)
+ _ABI_SYSCALL_RES_NAME_CHK(recv)
+ _ABI_SYSCALL_RES_NAME_CHK(sendto)
+ _ABI_SYSCALL_RES_NAME_CHK(recvfrom)
+ _ABI_SYSCALL_RES_NAME_CHK(shutdown)
+ _ABI_SYSCALL_RES_NAME_CHK(setsockopt)
+ _ABI_SYSCALL_RES_NAME_CHK(getsockopt)
+ _ABI_SYSCALL_RES_NAME_CHK(sendmsg)
+ _ABI_SYSCALL_RES_NAME_CHK(recvmsg)
+ _ABI_SYSCALL_RES_NAME_CHK(accept4)
+ _ABI_SYSCALL_RES_NAME_CHK(recvmmsg)
+ _ABI_SYSCALL_RES_NAME_CHK(sendmmsg)
+ _ABI_SYSCALL_RES_NAME_CHK(semop)
+ _ABI_SYSCALL_RES_NAME_CHK(semget)
+ _ABI_SYSCALL_RES_NAME_CHK(semctl)
+ _ABI_SYSCALL_RES_NAME_CHK(semtimedop)
+ _ABI_SYSCALL_RES_NAME_CHK(msgsnd)
+ _ABI_SYSCALL_RES_NAME_CHK(msgrcv)
+ _ABI_SYSCALL_RES_NAME_CHK(msgget)
+ _ABI_SYSCALL_RES_NAME_CHK(msgctl)
+ _ABI_SYSCALL_RES_NAME_CHK(shmat)
+ _ABI_SYSCALL_RES_NAME_CHK(shmdt)
+ _ABI_SYSCALL_RES_NAME_CHK(shmget)
+ _ABI_SYSCALL_RES_NAME_CHK(shmctl)
+
+ return arch->syscall_resolve_name_raw(name);
+}
+
+/**
+ * Resolve a syscall number to a name
+ * @param arch the arch definition
+ * @param num the syscall number
+ *
+ * Resolve the given syscall number to the syscall name using the syscall table.
+ * Returns a pointer to the syscall name string on success, including pseudo
+ * syscall names; returns NULL on failure.
+ *
+ */
+const char *abi_syscall_resolve_num_munge(const struct arch_def *arch, int num)
+{
+
+#define _ABI_SYSCALL_RES_NUM_CHK(NAME) \
+ if (num == __PNR_##NAME) return #NAME;
+
+ _ABI_SYSCALL_RES_NUM_CHK(socket)
+ _ABI_SYSCALL_RES_NUM_CHK(bind)
+ _ABI_SYSCALL_RES_NUM_CHK(connect)
+ _ABI_SYSCALL_RES_NUM_CHK(listen)
+ _ABI_SYSCALL_RES_NUM_CHK(accept)
+ _ABI_SYSCALL_RES_NUM_CHK(getsockname)
+ _ABI_SYSCALL_RES_NUM_CHK(getpeername)
+ _ABI_SYSCALL_RES_NUM_CHK(socketpair)
+ _ABI_SYSCALL_RES_NUM_CHK(send)
+ _ABI_SYSCALL_RES_NUM_CHK(recv)
+ _ABI_SYSCALL_RES_NUM_CHK(sendto)
+ _ABI_SYSCALL_RES_NUM_CHK(recvfrom)
+ _ABI_SYSCALL_RES_NUM_CHK(shutdown)
+ _ABI_SYSCALL_RES_NUM_CHK(setsockopt)
+ _ABI_SYSCALL_RES_NUM_CHK(getsockopt)
+ _ABI_SYSCALL_RES_NUM_CHK(sendmsg)
+ _ABI_SYSCALL_RES_NUM_CHK(recvmsg)
+ _ABI_SYSCALL_RES_NUM_CHK(accept4)
+ _ABI_SYSCALL_RES_NUM_CHK(recvmmsg)
+ _ABI_SYSCALL_RES_NUM_CHK(sendmmsg)
+ _ABI_SYSCALL_RES_NUM_CHK(semop)
+ _ABI_SYSCALL_RES_NUM_CHK(semget)
+ _ABI_SYSCALL_RES_NUM_CHK(semctl)
+ _ABI_SYSCALL_RES_NUM_CHK(semtimedop)
+ _ABI_SYSCALL_RES_NUM_CHK(msgsnd)
+ _ABI_SYSCALL_RES_NUM_CHK(msgrcv)
+ _ABI_SYSCALL_RES_NUM_CHK(msgget)
+ _ABI_SYSCALL_RES_NUM_CHK(msgctl)
+ _ABI_SYSCALL_RES_NUM_CHK(shmat)
+ _ABI_SYSCALL_RES_NUM_CHK(shmdt)
+ _ABI_SYSCALL_RES_NUM_CHK(shmget)
+ _ABI_SYSCALL_RES_NUM_CHK(shmctl)
+
+ return arch->syscall_resolve_num_raw(num);
+}
+
+/**
+ * Check if a syscall is a socket syscall
+ * @param arch the arch definition
+ * @param sys the syscall number
+ *
+ * Returns true if the syscall is a socket related syscall, false otherwise.
+ *
+ */
+static bool _abi_syscall_socket_test(const struct arch_def *arch, int sys)
+{
+ const char *name;
+
+ /* multiplexed pseduo-syscalls */
+ if (sys <= -100 && sys >= -120)
+ return true;
+
+ name = arch->syscall_resolve_num_raw(sys);
+ if (!name)
+ return false;
+
+#define _ABI_SYSCALL_SOCK_CHK(NAME) \
+ if (!strcmp(name, #NAME)) return true;
+
+ _ABI_SYSCALL_SOCK_CHK(socket)
+ _ABI_SYSCALL_SOCK_CHK(bind)
+ _ABI_SYSCALL_SOCK_CHK(connect)
+ _ABI_SYSCALL_SOCK_CHK(listen)
+ _ABI_SYSCALL_SOCK_CHK(accept)
+ _ABI_SYSCALL_SOCK_CHK(getsockname)
+ _ABI_SYSCALL_SOCK_CHK(getpeername)
+ _ABI_SYSCALL_SOCK_CHK(socketpair)
+ _ABI_SYSCALL_SOCK_CHK(send)
+ _ABI_SYSCALL_SOCK_CHK(recv)
+ _ABI_SYSCALL_SOCK_CHK(sendto)
+ _ABI_SYSCALL_SOCK_CHK(recvfrom)
+ _ABI_SYSCALL_SOCK_CHK(shutdown)
+ _ABI_SYSCALL_SOCK_CHK(setsockopt)
+ _ABI_SYSCALL_SOCK_CHK(getsockopt)
+ _ABI_SYSCALL_SOCK_CHK(sendmsg)
+ _ABI_SYSCALL_SOCK_CHK(recvmsg)
+ _ABI_SYSCALL_SOCK_CHK(accept4)
+ _ABI_SYSCALL_SOCK_CHK(recvmmsg)
+ _ABI_SYSCALL_SOCK_CHK(sendmmsg)
+
+ return false;
+}
+
+/**
+ * Check if a syscall is an ipc syscall
+ * @param arch the arch definition
+ * @param sys the syscall number
+ *
+ * Returns true if the syscall is an ipc related syscall, false otherwise.
+ *
+ */
+static bool _abi_syscall_ipc_test(const struct arch_def *arch, int sys)
+{
+ const char *name;
+
+ /* multiplexed pseduo-syscalls */
+ if (sys <= -200 && sys >= -224)
+ return true;
+
+ name = arch->syscall_resolve_num_raw(sys);
+ if (!name)
+ return false;
+
+#define _ABI_SYSCALL_IPC_CHK(NAME) \
+ if (!strcmp(name, #NAME)) return true;
+
+ _ABI_SYSCALL_IPC_CHK(semop)
+ _ABI_SYSCALL_IPC_CHK(semget)
+ _ABI_SYSCALL_IPC_CHK(semctl)
+ _ABI_SYSCALL_IPC_CHK(semtimedop)
+ _ABI_SYSCALL_IPC_CHK(msgsnd)
+ _ABI_SYSCALL_IPC_CHK(msgrcv)
+ _ABI_SYSCALL_IPC_CHK(msgget)
+ _ABI_SYSCALL_IPC_CHK(msgctl)
+ _ABI_SYSCALL_IPC_CHK(shmat)
+ _ABI_SYSCALL_IPC_CHK(shmdt)
+ _ABI_SYSCALL_IPC_CHK(shmget)
+ _ABI_SYSCALL_IPC_CHK(shmctl)
+
+ return false;
+}
+
+/**
+ * Convert a multiplexed pseudo syscall into a direct syscall
+ * @param arch the arch definition
+ * @param syscall the multiplexed pseudo syscall number
+ *
+ * Return the related direct syscall number, __NR_SCMP_UNDEF is there is
+ * no related syscall, or __NR_SCMP_ERROR otherwise.
+ *
+ */
+static int _abi_syscall_demux(const struct arch_def *arch, int syscall)
+{
+ int sys = __NR_SCMP_UNDEF;
+
+#define _ABI_SYSCALL_DEMUX_CHK(NAME) \
+case __PNR_##NAME: \
+ sys = arch->syscall_resolve_name_raw(#NAME); break;
+
+ switch (syscall) {
+ _ABI_SYSCALL_DEMUX_CHK(socket)
+ _ABI_SYSCALL_DEMUX_CHK(bind)
+ _ABI_SYSCALL_DEMUX_CHK(connect)
+ _ABI_SYSCALL_DEMUX_CHK(listen)
+ _ABI_SYSCALL_DEMUX_CHK(accept)
+ _ABI_SYSCALL_DEMUX_CHK(getsockname)
+ _ABI_SYSCALL_DEMUX_CHK(getpeername)
+ _ABI_SYSCALL_DEMUX_CHK(socketpair)
+ _ABI_SYSCALL_DEMUX_CHK(send)
+ _ABI_SYSCALL_DEMUX_CHK(recv)
+ _ABI_SYSCALL_DEMUX_CHK(sendto)
+ _ABI_SYSCALL_DEMUX_CHK(recvfrom)
+ _ABI_SYSCALL_DEMUX_CHK(shutdown)
+ _ABI_SYSCALL_DEMUX_CHK(setsockopt)
+ _ABI_SYSCALL_DEMUX_CHK(getsockopt)
+ _ABI_SYSCALL_DEMUX_CHK(sendmsg)
+ _ABI_SYSCALL_DEMUX_CHK(recvmsg)
+ _ABI_SYSCALL_DEMUX_CHK(accept4)
+ _ABI_SYSCALL_DEMUX_CHK(recvmmsg)
+ _ABI_SYSCALL_DEMUX_CHK(sendmmsg)
+ _ABI_SYSCALL_DEMUX_CHK(semop)
+ _ABI_SYSCALL_DEMUX_CHK(semget)
+ _ABI_SYSCALL_DEMUX_CHK(semctl)
+ _ABI_SYSCALL_DEMUX_CHK(semtimedop)
+ _ABI_SYSCALL_DEMUX_CHK(msgsnd)
+ _ABI_SYSCALL_DEMUX_CHK(msgrcv)
+ _ABI_SYSCALL_DEMUX_CHK(msgget)
+ _ABI_SYSCALL_DEMUX_CHK(msgctl)
+ _ABI_SYSCALL_DEMUX_CHK(shmat)
+ _ABI_SYSCALL_DEMUX_CHK(shmdt)
+ _ABI_SYSCALL_DEMUX_CHK(shmget)
+ _ABI_SYSCALL_DEMUX_CHK(shmctl)
+ }
+
+ /* this looks odd because the arch resolver returns _ERROR if it can't
+ * resolve the syscall, but we want to use _UNDEF for that, so we set
+ * 'sys' to a sentinel value of _UNDEF and if it is error here we know
+ * the resolve failed to find a match */
+ if (sys == __NR_SCMP_UNDEF)
+ sys = __NR_SCMP_ERROR;
+ else if (sys == __NR_SCMP_ERROR)
+ sys = __NR_SCMP_UNDEF;
+
+ return sys;
+}
+
+/**
+ * Convert a direct syscall into multiplexed pseudo socket syscall
+ * @param arch the arch definition
+ * @param syscall the direct syscall
+ *
+ * Return the related multiplexed pseudo syscall number, __NR_SCMP_UNDEF is
+ * there is no related pseudo syscall, or __NR_SCMP_ERROR otherwise.
+ *
+ */
+static int _abi_syscall_mux(const struct arch_def *arch, int syscall)
+{
+ const char *sys;
+
+ sys = arch->syscall_resolve_num_raw(syscall);
+ if (!sys)
+ return __NR_SCMP_ERROR;
+
+#define _ABI_SYSCALL_MUX_CHK(NAME) \
+ if (!strcmp(sys, #NAME)) return __PNR_##NAME;
+
+ _ABI_SYSCALL_MUX_CHK(socket)
+ _ABI_SYSCALL_MUX_CHK(bind)
+ _ABI_SYSCALL_MUX_CHK(connect)
+ _ABI_SYSCALL_MUX_CHK(listen)
+ _ABI_SYSCALL_MUX_CHK(accept)
+ _ABI_SYSCALL_MUX_CHK(getsockname)
+ _ABI_SYSCALL_MUX_CHK(getpeername)
+ _ABI_SYSCALL_MUX_CHK(socketpair)
+ _ABI_SYSCALL_MUX_CHK(send)
+ _ABI_SYSCALL_MUX_CHK(recv)
+ _ABI_SYSCALL_MUX_CHK(sendto)
+ _ABI_SYSCALL_MUX_CHK(recvfrom)
+ _ABI_SYSCALL_MUX_CHK(shutdown)
+ _ABI_SYSCALL_MUX_CHK(setsockopt)
+ _ABI_SYSCALL_MUX_CHK(getsockopt)
+ _ABI_SYSCALL_MUX_CHK(sendmsg)
+ _ABI_SYSCALL_MUX_CHK(recvmsg)
+ _ABI_SYSCALL_MUX_CHK(accept4)
+ _ABI_SYSCALL_MUX_CHK(recvmmsg)
+ _ABI_SYSCALL_MUX_CHK(sendmmsg)
+ _ABI_SYSCALL_MUX_CHK(semop)
+ _ABI_SYSCALL_MUX_CHK(semget)
+ _ABI_SYSCALL_MUX_CHK(semctl)
+ _ABI_SYSCALL_MUX_CHK(semtimedop)
+ _ABI_SYSCALL_MUX_CHK(msgsnd)
+ _ABI_SYSCALL_MUX_CHK(msgrcv)
+ _ABI_SYSCALL_MUX_CHK(msgget)
+ _ABI_SYSCALL_MUX_CHK(msgctl)
+ _ABI_SYSCALL_MUX_CHK(shmat)
+ _ABI_SYSCALL_MUX_CHK(shmdt)
+ _ABI_SYSCALL_MUX_CHK(shmget)
+ _ABI_SYSCALL_MUX_CHK(shmctl)
+
+ return __NR_SCMP_ERROR;
+}
+
+/**
+ * Rewrite a syscall value to match the architecture
+ * @param arch the arch definition
+ * @param syscall the syscall number
+ *
+ * Syscalls can vary across different architectures so this function rewrites
+ * the syscall into the correct value for the specified architecture. Returns
+ * zero on success, negative values on failure.
+ *
+ */
+int abi_syscall_rewrite(const struct arch_def *arch, int *syscall)
+{
+ int sys = *syscall;
+
+ if (sys <= -100 && sys >= -120)
+ *syscall = arch->sys_socketcall;
+ else if (sys <= -200 && sys >= -224)
+ *syscall = arch->sys_ipc;
+ else if (sys < 0)
+ return -EDOM;
+
+ return 0;
+}
+
+/**
+ * add a new rule to the abi seccomp filter
+ * @param db the seccomp filter db
+ * @param rule the filter rule
+ *
+ * This function adds a new syscall filter to the seccomp filter db, making any
+ * necessary adjustments for the abi ABI. Returns zero on success, negative
+ * values on failure.
+ *
+ * It is important to note that in the case of failure the db may be corrupted,
+ * the caller must use the transaction mechanism if the db integrity is
+ * important.
+ *
+ */
+int abi_rule_add(struct db_filter *db, struct db_api_rule_list *rule)
+{
+ int rc = 0;
+ unsigned int iter;
+ int sys = rule->syscall;
+ int sys_a, sys_b;
+ struct db_api_rule_list *rule_a, *rule_b, *rule_dup = NULL;
+
+ if (_abi_syscall_socket_test(db->arch, sys)) {
+ /* socket syscalls */
+
+ /* strict check for the multiplexed socket syscalls */
+ for (iter = 0; iter < ARG_COUNT_MAX; iter++) {
+ if ((rule->args[iter].valid != 0) && (rule->strict)) {
+ rc = -EINVAL;
+ goto add_return;
+ }
+ }
+
+ /* determine both the muxed and direct syscall numbers */
+ if (sys > 0) {
+ sys_a = _abi_syscall_mux(db->arch, sys);
+ if (sys_a == __NR_SCMP_ERROR) {
+ rc = __NR_SCMP_ERROR;
+ goto add_return;
+ }
+ sys_b = sys;
+ } else {
+ sys_a = sys;
+ sys_b = _abi_syscall_demux(db->arch, sys);
+ if (sys_b == __NR_SCMP_ERROR) {
+ rc = __NR_SCMP_ERROR;
+ goto add_return;
+ }
+ }
+
+ /* use rule_a for the multiplexed syscall and use rule_b for
+ * the direct wired syscall */
+
+ if (sys_a == __NR_SCMP_UNDEF) {
+ rule_a = NULL;
+ rule_b = rule;
+ } else if (sys_b == __NR_SCMP_UNDEF) {
+ rule_a = rule;
+ rule_b = NULL;
+ } else {
+ /* need two rules, dup the first and link together */
+ rule_a = rule;
+ rule_dup = db_rule_dup(rule_a);
+ rule_b = rule_dup;
+ if (rule_b == NULL)
+ goto add_return;
+ rule_b->prev = rule_a;
+ rule_b->next = NULL;
+ rule_a->next = rule_b;
+ }
+
+ /* multiplexed socket syscalls */
+ if (rule_a != NULL) {
+ rule_a->syscall = db->arch->sys_socketcall;
+ rule_a->args[0].arg = 0;
+ rule_a->args[0].op = SCMP_CMP_EQ;
+ rule_a->args[0].mask = DATUM_MAX;
+ rule_a->args[0].datum = (-sys_a) % 100;
+ rule_a->args[0].valid = 1;
+ }
+
+ /* direct wired socket syscalls */
+ if (rule_b != NULL)
+ rule_b->syscall = sys_b;
+
+ /* we should be protected by a transaction checkpoint */
+ if (rule_a != NULL) {
+ rc = db_rule_add(db, rule_a);
+ if (rc < 0)
+ goto add_return;
+ }
+ if (rule_b != NULL) {
+ rc = db_rule_add(db, rule_b);
+ if (rc < 0)
+ goto add_return;
+ }
+ } else if (_abi_syscall_ipc_test(db->arch, sys)) {
+ /* ipc syscalls */
+
+ /* strict check for the multiplexed socket syscalls */
+ for (iter = 0; iter < ARG_COUNT_MAX; iter++) {
+ if ((rule->args[iter].valid != 0) && (rule->strict)) {
+ rc = -EINVAL;
+ goto add_return;
+ }
+ }
+
+ /* determine both the muxed and direct syscall numbers */
+ if (sys > 0) {
+ sys_a = _abi_syscall_mux(db->arch, sys);
+ if (sys_a == __NR_SCMP_ERROR) {
+ rc = __NR_SCMP_ERROR;
+ goto add_return;
+ }
+ sys_b = sys;
+ } else {
+ sys_a = sys;
+ sys_b = _abi_syscall_demux(db->arch, sys);
+ if (sys_b == __NR_SCMP_ERROR) {
+ rc = __NR_SCMP_ERROR;
+ goto add_return;
+ }
+ }
+
+ /* use rule_a for the multiplexed syscall and use rule_b for
+ * the direct wired syscall */
+
+ if (sys_a == __NR_SCMP_UNDEF) {
+ rule_a = NULL;
+ rule_b = rule;
+ } else if (sys_b == __NR_SCMP_UNDEF) {
+ rule_a = rule;
+ rule_b = NULL;
+ } else {
+ /* need two rules, dup the first and link together */
+ rule_a = rule;
+ rule_dup = db_rule_dup(rule_a);
+ rule_b = rule_dup;
+ if (rule_b == NULL)
+ goto add_return;
+ rule_b->prev = rule_a;
+ rule_b->next = NULL;
+ rule_a->next = rule_b;
+ }
+
+ /* multiplexed socket syscalls */
+ if (rule_a != NULL) {
+ rule_a->syscall = db->arch->sys_ipc;
+ rule_a->args[0].arg = 0;
+ rule_a->args[0].op = SCMP_CMP_EQ;
+ rule_a->args[0].mask = DATUM_MAX;
+ rule_a->args[0].datum = (-sys_a) % 200;
+ rule_a->args[0].valid = 1;
+ }
+
+ /* direct wired socket syscalls */
+ if (rule_b != NULL)
+ rule_b->syscall = sys_b;
+
+ /* we should be protected by a transaction checkpoint */
+ if (rule_a != NULL) {
+ rc = db_rule_add(db, rule_a);
+ if (rc < 0)
+ goto add_return;
+ }
+ if (rule_b != NULL) {
+ rc = db_rule_add(db, rule_b);
+ if (rc < 0)
+ goto add_return;
+ }
+ } else if (sys >= 0) {
+ /* normal syscall processing */
+ rc = db_rule_add(db, rule);
+ if (rc < 0)
+ goto add_return;
+ } else if (rule->strict) {
+ rc = -EDOM;
+ goto add_return;
+ }
+
+add_return:
+ if (rule_dup != NULL)
+ free(rule_dup);
+ return rc;
+}
diff --git a/src/syscalls.csv b/src/syscalls.csv
new file mode 100644
index 0000000..b0da8e6
--- /dev/null
+++ b/src/syscalls.csv
@@ -0,0 +1,488 @@
+#syscall (v6.7.0-rc3 2023-11-30),x86,x86_64,x32,arm,aarch64,mips,mips64,mips64n32,parisc,parisc64,ppc,ppc64,riscv64,s390,s390x
+accept,PNR,43,43,285,202,168,42,42,35,35,330,330,202,PNR,PNR
+accept4,364,288,288,366,242,334,293,297,320,320,344,344,242,364,364
+access,33,21,21,33,PNR,33,20,20,33,33,33,33,PNR,33,33
+acct,51,163,163,51,89,51,158,158,51,51,51,51,89,51,51
+add_key,286,248,248,309,217,280,239,243,264,264,269,269,217,278,278
+adjtimex,124,159,159,124,171,124,154,154,124,124,124,124,171,124,124
+afs_syscall,137,183,183,PNR,PNR,137,176,176,PNR,PNR,137,137,PNR,137,137
+alarm,27,37,37,PNR,PNR,27,37,37,27,27,27,27,PNR,27,27
+arch_prctl,384,158,158,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+arm_fadvise64_64,PNR,PNR,PNR,270,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+arm_sync_file_range,PNR,PNR,PNR,341,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+bdflush,134,PNR,PNR,134,PNR,134,PNR,PNR,134,134,134,134,PNR,134,134
+bind,361,49,49,282,200,169,48,48,22,22,327,327,200,361,361
+bpf,357,321,321,386,280,355,315,319,341,341,361,361,280,351,351
+break,17,PNR,PNR,PNR,PNR,17,PNR,PNR,PNR,PNR,17,17,PNR,PNR,PNR
+breakpoint,PNR,PNR,PNR,983041,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+brk,45,12,12,45,214,45,12,12,45,45,45,45,214,45,45
+cachectl,PNR,PNR,PNR,PNR,PNR,148,198,198,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+cacheflush,PNR,PNR,PNR,983042,PNR,147,197,197,356,356,PNR,PNR,PNR,PNR,PNR
+cachestat,451,451,451,451,451,451,451,451,451,451,451,451,451,451,451
+capget,184,125,125,184,90,204,123,123,106,106,183,183,90,184,184
+capset,185,126,126,185,91,205,124,124,107,107,184,184,91,185,185
+chdir,12,80,80,12,49,12,78,78,12,12,12,12,49,12,12
+chmod,15,90,90,15,PNR,15,88,88,15,15,15,15,PNR,15,15
+chown,182,92,92,182,PNR,202,90,90,180,180,181,181,PNR,182,212
+chown32,212,PNR,PNR,212,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,212,PNR
+chroot,61,161,161,61,51,61,156,156,61,61,61,61,51,61,61
+clock_adjtime,343,305,305,372,266,341,300,305,324,324,347,347,266,337,337
+clock_adjtime64,405,PNR,PNR,405,PNR,405,PNR,405,405,PNR,405,PNR,PNR,405,PNR
+clock_getres,266,229,229,264,114,264,223,227,257,257,247,247,114,261,261
+clock_getres_time64,406,PNR,PNR,406,PNR,406,PNR,406,406,PNR,406,PNR,PNR,406,PNR
+clock_gettime,265,228,228,263,113,263,222,226,256,256,246,246,113,260,260
+clock_gettime64,403,PNR,PNR,403,PNR,403,PNR,403,403,PNR,403,PNR,PNR,403,PNR
+clock_nanosleep,267,230,230,265,115,265,224,228,258,258,248,248,115,262,262
+clock_nanosleep_time64,407,PNR,PNR,407,PNR,407,PNR,407,407,PNR,407,PNR,PNR,407,PNR
+clock_settime,264,227,227,262,112,262,221,225,255,255,245,245,112,259,259
+clock_settime64,404,PNR,PNR,404,PNR,404,PNR,404,404,PNR,404,PNR,PNR,404,PNR
+clone,120,56,56,120,220,120,55,55,120,120,120,120,220,120,120
+clone3,435,435,435,435,435,435,435,435,435,435,435,435,435,435,435
+close,6,3,3,6,57,6,3,3,6,6,6,6,57,6,6
+close_range,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436
+connect,362,42,42,283,203,170,41,41,31,31,328,328,203,362,362
+copy_file_range,377,326,326,391,285,360,320,324,346,346,379,379,285,375,375
+creat,8,85,85,8,PNR,8,83,83,8,8,8,8,PNR,8,8
+create_module,127,174,PNR,PNR,PNR,127,167,167,PNR,PNR,127,127,PNR,127,127
+delete_module,129,176,176,129,106,129,169,169,129,129,129,129,106,129,129
+dup,41,32,32,41,23,41,31,31,41,41,41,41,23,41,41
+dup2,63,33,33,63,PNR,63,32,32,63,63,63,63,PNR,63,63
+dup3,330,292,292,358,24,327,286,290,312,312,316,316,24,326,326
+epoll_create,254,213,213,250,PNR,248,207,207,224,224,236,236,PNR,249,249
+epoll_create1,329,291,291,357,20,326,285,289,311,311,315,315,20,327,327
+epoll_ctl,255,233,233,251,21,249,208,208,225,225,237,237,21,250,250
+epoll_ctl_old,PNR,214,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+epoll_pwait,319,281,281,346,22,313,272,276,297,297,303,303,22,312,312
+epoll_pwait2,441,441,441,441,441,441,441,441,441,441,441,441,441,441,441
+epoll_wait,256,232,232,252,PNR,250,209,209,226,226,238,238,PNR,251,251
+epoll_wait_old,PNR,215,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+eventfd,323,284,284,351,PNR,319,278,282,304,304,307,307,PNR,318,318
+eventfd2,328,290,290,356,19,325,284,288,310,310,314,314,19,323,323
+execve,11,59,520,11,221,11,57,57,11,11,11,11,221,11,11
+execveat,358,322,545,387,281,356,316,320,342,342,362,362,281,354,354
+exit,1,60,60,1,93,1,58,58,1,1,1,1,93,1,1
+exit_group,252,231,231,248,94,246,205,205,222,222,234,234,94,248,248
+faccessat,307,269,269,334,48,300,259,263,287,287,298,298,48,300,300
+faccessat2,439,439,439,439,439,439,439,439,439,439,439,439,439,439,439
+fadvise64,250,221,221,PNR,223,254,215,216,PNR,PNR,233,233,223,253,253
+fadvise64_64,272,PNR,PNR,PNR,PNR,PNR,PNR,PNR,236,236,254,PNR,PNR,264,PNR
+fallocate,324,285,285,352,47,320,279,283,305,305,309,309,47,314,314
+fanotify_init,338,300,300,367,262,336,295,300,322,322,323,323,262,332,332
+fanotify_mark,339,301,301,368,263,337,296,301,323,323,324,324,263,333,333
+fchdir,133,81,81,133,50,133,79,79,133,133,133,133,50,133,133
+fchmod,94,91,91,94,52,94,89,89,94,94,94,94,52,94,94
+fchmodat,306,268,268,333,53,299,258,262,286,286,297,297,53,299,299
+fchmodat2,452,452,452,452,452,452,452,452,452,452,452,452,452,452,452
+fchown,95,93,93,95,55,95,91,91,95,95,95,95,55,95,207
+fchown32,207,PNR,PNR,207,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,207,PNR
+fchownat,298,260,260,325,54,291,250,254,278,278,289,289,54,291,291
+fcntl,55,72,72,55,25,55,70,70,55,55,55,55,25,55,55
+fcntl64,221,PNR,PNR,221,PNR,220,PNR,212,202,202,204,PNR,PNR,221,PNR
+fdatasync,148,75,75,148,83,152,73,73,148,148,148,148,83,148,148
+fgetxattr,231,193,193,231,10,229,185,185,243,243,214,214,10,229,229
+finit_module,350,313,313,379,273,348,307,312,333,333,353,353,273,344,344
+flistxattr,234,196,196,234,13,232,188,188,246,246,217,217,13,232,232
+flock,143,73,73,143,32,143,71,71,143,143,143,143,32,143,143
+fork,2,57,57,2,PNR,2,56,56,2,2,2,2,PNR,2,2
+fremovexattr,237,199,199,237,16,235,191,191,249,249,220,220,16,235,235
+fsconfig,431,431,431,431,431,431,431,431,431,431,431,431,431,431,431
+fsetxattr,228,190,190,228,7,226,182,182,240,240,211,211,7,226,226
+fsmount,432,432,432,432,432,432,432,432,432,432,432,432,432,432,432
+fsopen,430,430,430,430,430,430,430,430,430,430,430,430,430,430,430
+fspick,433,433,433,433,433,433,433,433,433,433,433,433,433,433,433
+fstat,108,5,5,108,80,108,5,5,28,28,108,108,80,108,108
+fstat64,197,PNR,PNR,197,PNR,215,PNR,PNR,112,112,197,PNR,PNR,197,PNR
+fstatat64,300,PNR,PNR,327,PNR,293,PNR,PNR,280,280,291,PNR,PNR,293,PNR
+fstatfs,100,138,138,100,44,100,135,135,100,100,100,100,44,100,100
+fstatfs64,269,PNR,PNR,267,PNR,256,PNR,218,299,299,253,253,PNR,266,266
+fsync,118,74,74,118,82,118,72,72,118,118,118,118,82,118,118
+ftime,35,PNR,PNR,PNR,PNR,35,PNR,PNR,PNR,PNR,35,35,PNR,PNR,PNR
+ftruncate,93,77,77,93,46,93,75,75,93,93,93,93,46,93,93
+ftruncate64,194,PNR,PNR,194,PNR,212,PNR,PNR,200,200,194,PNR,PNR,194,PNR
+futex,240,202,202,240,98,238,194,194,210,210,221,221,98,238,238
+futex_requeue,456,456,456,456,456,456,456,456,456,456,456,456,456,456,456
+futex_time64,422,PNR,PNR,422,PNR,422,PNR,422,422,PNR,422,PNR,PNR,422,PNR
+futex_wait,455,455,455,455,455,455,455,455,455,455,455,455,455,455,455
+futex_waitv,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449
+futex_wake,454,454,454,454,454,454,454,454,454,454,454,454,454,454,454
+futimesat,299,261,261,326,PNR,292,251,255,279,279,290,290,PNR,292,292
+getcpu,318,309,309,345,168,312,271,275,296,296,302,302,168,311,311
+getcwd,183,79,79,183,17,203,77,77,110,110,182,182,17,183,183
+getdents,141,78,78,141,PNR,141,76,76,141,141,141,141,PNR,141,141
+getdents64,220,217,217,217,61,219,308,299,201,201,202,202,61,220,220
+getegid,50,108,108,50,177,50,106,106,50,50,50,50,177,50,202
+getegid32,202,PNR,PNR,202,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,202,PNR
+geteuid,49,107,107,49,175,49,105,105,49,49,49,49,175,49,201
+geteuid32,201,PNR,PNR,201,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,201,PNR
+getgid,47,104,104,47,176,47,102,102,47,47,47,47,176,47,200
+getgid32,200,PNR,PNR,200,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,200,PNR
+getgroups,80,115,115,80,158,80,113,113,80,80,80,80,158,80,205
+getgroups32,205,PNR,PNR,205,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,205,PNR
+getitimer,105,36,36,105,102,105,35,35,105,105,105,105,102,105,105
+get_kernel_syms,130,177,PNR,PNR,PNR,130,170,170,PNR,PNR,130,130,PNR,130,130
+get_mempolicy,275,239,239,320,236,269,228,232,261,261,260,260,236,269,269
+getpeername,368,52,52,287,205,171,51,51,53,53,332,332,205,368,368
+getpgid,132,121,121,132,155,132,119,119,132,132,132,132,155,132,132
+getpgrp,65,111,111,65,PNR,65,109,109,65,65,65,65,PNR,65,65
+getpid,20,39,39,20,172,20,38,38,20,20,20,20,172,20,20
+getpmsg,188,181,181,PNR,PNR,208,174,174,PNR,PNR,187,187,PNR,188,188
+getppid,64,110,110,64,173,64,108,108,64,64,64,64,173,64,64
+getpriority,96,140,140,96,141,96,137,137,96,96,96,96,141,96,96
+getrandom,355,318,318,384,278,353,313,317,339,339,359,359,278,349,349
+getresgid,171,120,120,171,150,191,118,118,171,171,170,170,150,171,211
+getresgid32,211,PNR,PNR,211,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,211,PNR
+getresuid,165,118,118,165,148,186,116,116,165,165,165,165,148,165,209
+getresuid32,209,PNR,PNR,209,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,209,PNR
+getrlimit,76,97,97,PNR,163,76,95,95,76,76,76,76,163,76,191
+get_robust_list,312,274,531,339,100,310,269,273,290,290,299,299,100,305,305
+getrusage,77,98,98,77,165,77,96,96,77,77,77,77,165,77,77
+getsid,147,124,124,147,156,151,122,122,147,147,147,147,156,147,147
+getsockname,367,51,51,286,204,172,50,50,44,44,331,331,204,367,367
+getsockopt,365,55,542,295,209,173,54,54,182,182,340,340,209,365,365
+get_thread_area,244,211,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+gettid,224,186,186,224,178,222,178,178,206,206,207,207,178,236,236
+gettimeofday,78,96,96,78,169,78,94,94,78,78,78,78,169,78,78
+get_tls,PNR,PNR,PNR,983046,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+getuid,24,102,102,24,174,24,100,100,24,24,24,24,174,24,199
+getuid32,199,PNR,PNR,199,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,199,PNR
+getxattr,229,191,191,229,8,227,183,183,241,241,212,212,8,227,227
+gtty,32,PNR,PNR,PNR,PNR,32,PNR,PNR,PNR,PNR,32,32,PNR,PNR,PNR
+idle,112,PNR,PNR,PNR,PNR,112,PNR,PNR,PNR,PNR,112,112,PNR,112,112
+init_module,128,175,175,128,105,128,168,168,128,128,128,128,105,128,128
+inotify_add_watch,292,254,254,317,27,285,244,248,270,270,276,276,27,285,285
+inotify_init,291,253,253,316,PNR,284,243,247,269,269,275,275,PNR,284,284
+inotify_init1,332,294,294,360,26,329,288,292,314,314,318,318,26,324,324
+inotify_rm_watch,293,255,255,318,28,286,245,249,271,271,277,277,28,286,286
+io_cancel,249,210,210,247,3,245,204,204,219,219,231,231,3,247,247
+ioctl,54,16,514,54,29,54,15,15,54,54,54,54,29,54,54
+io_destroy,246,207,207,244,1,242,201,201,216,216,228,228,1,244,244
+io_getevents,247,208,208,245,4,243,202,202,217,217,229,229,4,245,245
+ioperm,101,173,173,PNR,PNR,101,PNR,PNR,PNR,PNR,101,101,PNR,101,PNR
+io_pgetevents,385,333,333,399,292,368,328,332,350,350,388,388,292,382,382
+io_pgetevents_time64,416,PNR,PNR,416,PNR,416,PNR,416,416,PNR,416,PNR,PNR,416,PNR
+iopl,110,172,172,PNR,PNR,110,PNR,PNR,PNR,PNR,110,110,PNR,PNR,PNR
+ioprio_get,290,252,252,315,31,315,274,278,268,268,274,274,31,283,283
+ioprio_set,289,251,251,314,30,314,273,277,267,267,273,273,30,282,282
+io_setup,245,206,543,243,0,241,200,200,215,215,227,227,0,243,243
+io_submit,248,209,544,246,2,244,203,203,218,218,230,230,2,246,246
+io_uring_enter,426,426,426,426,426,426,426,426,426,426,426,426,426,426,426
+io_uring_register,427,427,427,427,427,427,427,427,427,427,427,427,427,427,427
+io_uring_setup,425,425,425,425,425,425,425,425,425,425,425,425,425,425,425
+ipc,117,PNR,PNR,PNR,PNR,117,PNR,PNR,PNR,PNR,117,117,PNR,117,117
+kcmp,349,312,312,378,272,347,306,311,332,332,354,354,272,343,343
+kexec_file_load,PNR,320,320,401,294,PNR,PNR,PNR,355,355,382,382,294,381,381
+kexec_load,283,246,528,347,104,311,270,274,300,300,268,268,104,277,277
+keyctl,288,250,250,311,219,282,241,245,266,266,271,271,219,280,280
+kill,37,62,62,37,129,37,60,60,37,37,37,37,129,37,37
+landlock_add_rule,445,445,445,445,445,445,445,445,445,445,445,445,445,445,445
+landlock_create_ruleset,444,444,444,444,444,444,444,444,444,444,444,444,444,444,444
+landlock_restrict_self,446,446,446,446,446,446,446,446,446,446,446,446,446,446,446
+lchown,16,94,94,16,PNR,16,92,92,16,16,16,16,PNR,16,198
+lchown32,198,PNR,PNR,198,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,198,PNR
+lgetxattr,230,192,192,230,9,228,184,184,242,242,213,213,9,228,228
+link,9,86,86,9,PNR,9,84,84,9,9,9,9,PNR,9,9
+linkat,303,265,265,330,37,296,255,259,283,283,294,294,37,296,296
+listen,363,50,50,284,201,174,49,49,32,32,329,329,201,363,363
+listxattr,232,194,194,232,11,230,186,186,244,244,215,215,11,230,230
+llistxattr,233,195,195,233,12,231,187,187,245,245,216,216,12,231,231
+_llseek,140,PNR,PNR,140,PNR,140,PNR,PNR,140,140,140,140,PNR,140,PNR
+lock,53,PNR,PNR,PNR,PNR,53,PNR,PNR,PNR,PNR,53,53,PNR,PNR,PNR
+lookup_dcookie,253,212,212,249,18,247,206,206,223,223,235,235,18,110,110
+lremovexattr,236,198,198,236,15,234,190,190,248,248,219,219,15,234,234
+lseek,19,8,8,19,62,19,8,8,19,19,19,19,62,19,19
+lsetxattr,227,189,189,227,6,225,181,181,239,239,210,210,6,225,225
+lstat,107,6,6,107,PNR,107,6,6,84,84,107,107,PNR,107,107
+lstat64,196,PNR,PNR,196,PNR,214,PNR,PNR,198,198,196,PNR,PNR,196,PNR
+madvise,219,28,28,220,233,218,27,27,119,119,205,205,233,219,219
+map_shadow_stack,453,453,PNR,453,453,453,453,453,453,453,453,453,453,453,453
+mbind,274,237,237,319,235,268,227,231,260,260,259,259,235,268,268
+membarrier,375,324,324,389,283,358,318,322,343,343,365,365,283,356,356
+memfd_create,356,319,319,385,279,354,314,318,340,340,360,360,279,350,350
+memfd_secret,447,447,447,PNR,447,PNR,PNR,PNR,PNR,PNR,PNR,PNR,447,447,447
+migrate_pages,294,256,256,400,238,287,246,250,272,272,258,258,238,287,287
+mincore,218,27,27,219,232,217,26,26,72,72,206,206,232,218,218
+mkdir,39,83,83,39,PNR,39,81,81,39,39,39,39,PNR,39,39
+mkdirat,296,258,258,323,34,289,248,252,276,276,287,287,34,289,289
+mknod,14,133,133,14,PNR,14,131,131,14,14,14,14,PNR,14,14
+mknodat,297,259,259,324,33,290,249,253,277,277,288,288,33,290,290
+mlock,150,149,149,150,228,154,146,146,150,150,150,150,228,150,150
+mlock2,376,325,325,390,284,359,319,323,345,345,378,378,284,374,374
+mlockall,152,151,151,152,230,156,148,148,152,152,152,152,230,152,152
+mmap,90,9,9,PNR,222,90,9,9,90,90,90,90,222,90,90
+mmap2,192,PNR,PNR,192,PNR,210,PNR,PNR,89,89,192,PNR,PNR,192,PNR
+modify_ldt,123,154,154,PNR,PNR,123,PNR,PNR,PNR,PNR,123,123,PNR,PNR,PNR
+mount,21,165,165,21,40,21,160,160,21,21,21,21,40,21,21
+mount_setattr,442,442,442,442,442,442,442,442,442,442,442,442,442,442,442
+move_mount,429,429,429,429,429,429,429,429,429,429,429,429,429,429,429
+move_pages,317,279,533,344,239,308,267,271,295,295,301,301,239,310,310
+mprotect,125,10,10,125,226,125,10,10,125,125,125,125,226,125,125
+mpx,56,PNR,PNR,PNR,PNR,56,PNR,PNR,PNR,PNR,56,56,PNR,PNR,PNR
+mq_getsetattr,282,245,245,279,185,276,235,239,234,234,267,267,185,276,276
+mq_notify,281,244,527,278,184,275,234,238,233,233,266,266,184,275,275
+mq_open,277,240,240,274,180,271,230,234,229,229,262,262,180,271,271
+mq_timedreceive,280,243,243,277,183,274,233,237,232,232,265,265,183,274,274
+mq_timedreceive_time64,419,PNR,PNR,419,PNR,419,PNR,419,419,PNR,419,PNR,PNR,419,PNR
+mq_timedsend,279,242,242,276,182,273,232,236,231,231,264,264,182,273,273
+mq_timedsend_time64,418,PNR,PNR,418,PNR,418,PNR,418,418,PNR,418,PNR,PNR,418,PNR
+mq_unlink,278,241,241,275,181,272,231,235,230,230,263,263,181,272,272
+mremap,163,25,25,163,216,167,24,24,163,163,163,163,216,163,163
+msgctl,402,71,71,304,187,402,69,69,191,191,402,402,187,402,402
+msgget,399,68,68,303,186,399,66,66,190,190,399,399,186,399,399
+msgrcv,401,70,70,302,188,401,68,68,189,189,401,401,188,401,401
+msgsnd,400,69,69,301,189,400,67,67,188,188,400,400,189,400,400
+msync,144,26,26,144,227,144,25,25,144,144,144,144,227,144,144
+multiplexer,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,201,201,PNR,PNR,PNR
+munlock,151,150,150,151,229,155,147,147,151,151,151,151,229,151,151
+munlockall,153,152,152,153,231,157,149,149,153,153,153,153,231,153,153
+munmap,91,11,11,91,215,91,11,11,91,91,91,91,215,91,91
+name_to_handle_at,341,303,303,370,264,339,298,303,325,325,345,345,264,335,335
+nanosleep,162,35,35,162,101,166,34,34,162,162,162,162,101,162,162
+newfstatat,PNR,262,262,PNR,79,PNR,252,256,PNR,PNR,PNR,291,79,PNR,293
+_newselect,142,PNR,PNR,142,PNR,142,22,22,142,142,142,142,PNR,142,PNR
+nfsservctl,169,180,PNR,169,42,189,173,173,PNR,PNR,168,168,42,169,169
+nice,34,PNR,PNR,34,PNR,34,PNR,PNR,34,34,34,34,PNR,34,34
+oldfstat,28,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,28,28,PNR,PNR,PNR
+oldlstat,84,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,84,84,PNR,PNR,PNR
+oldolduname,59,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,59,59,PNR,PNR,PNR
+oldstat,18,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,18,18,PNR,PNR,PNR
+olduname,109,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,109,109,PNR,PNR,PNR
+open,5,2,2,5,PNR,5,2,2,5,5,5,5,PNR,5,5
+openat,295,257,257,322,56,288,247,251,275,275,286,286,56,288,288
+openat2,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437
+open_by_handle_at,342,304,304,371,265,340,299,304,326,326,346,346,265,336,336
+open_tree,428,428,428,428,428,428,428,428,428,428,428,428,428,428,428
+pause,29,34,34,29,PNR,29,33,33,29,29,29,29,PNR,29,29
+pciconfig_iobase,PNR,PNR,PNR,271,PNR,PNR,PNR,PNR,PNR,PNR,200,200,PNR,PNR,PNR
+pciconfig_read,PNR,PNR,PNR,272,PNR,PNR,PNR,PNR,PNR,PNR,198,198,PNR,PNR,PNR
+pciconfig_write,PNR,PNR,PNR,273,PNR,PNR,PNR,PNR,PNR,PNR,199,199,PNR,PNR,PNR
+perf_event_open,336,298,298,364,241,333,292,296,318,318,319,319,241,331,331
+personality,136,135,135,136,92,136,132,132,136,136,136,136,92,136,136
+pidfd_getfd,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438
+pidfd_open,434,434,434,434,434,434,434,434,434,434,434,434,434,434,434
+pidfd_send_signal,424,424,424,424,424,424,424,424,424,424,424,424,424,424,424
+pipe,42,22,22,42,PNR,42,21,21,42,42,42,42,PNR,42,42
+pipe2,331,293,293,359,59,328,287,291,313,313,317,317,59,325,325
+pivot_root,217,155,155,218,41,216,151,151,67,67,203,203,41,217,217
+pkey_alloc,381,330,330,395,289,364,324,328,352,352,384,384,289,385,385
+pkey_free,382,331,331,396,290,365,325,329,353,353,385,385,290,386,386
+pkey_mprotect,380,329,329,394,288,363,323,327,351,351,386,386,288,384,384
+poll,168,7,7,168,PNR,188,7,7,168,168,167,167,PNR,168,168
+ppoll,309,271,271,336,73,302,261,265,274,274,281,281,73,302,302
+ppoll_time64,414,PNR,PNR,414,PNR,414,PNR,414,414,PNR,414,PNR,PNR,414,PNR
+prctl,172,157,157,172,167,192,153,153,172,172,171,171,167,172,172
+pread64,180,17,17,180,67,200,16,16,108,108,179,179,67,180,180
+preadv,333,295,534,361,69,330,289,293,315,315,320,320,69,328,328
+preadv2,378,327,546,392,286,361,321,325,347,347,380,380,286,376,376
+prlimit64,340,302,302,369,261,338,297,302,321,321,325,325,261,334,334
+process_madvise,440,440,440,440,440,440,440,440,440,440,440,440,440,440,440
+process_mrelease,448,448,448,448,448,448,448,448,448,448,448,448,448,448,448
+process_vm_readv,347,310,539,376,270,345,304,309,330,330,351,351,270,340,340
+process_vm_writev,348,311,540,377,271,346,305,310,331,331,352,352,271,341,341
+prof,44,PNR,PNR,PNR,PNR,44,PNR,PNR,PNR,PNR,44,44,PNR,PNR,PNR
+profil,98,PNR,PNR,PNR,PNR,98,PNR,PNR,PNR,PNR,98,98,PNR,PNR,PNR
+pselect6,308,270,270,335,72,301,260,264,273,273,280,280,72,301,301
+pselect6_time64,413,PNR,PNR,413,PNR,413,PNR,413,413,PNR,413,PNR,PNR,413,PNR
+ptrace,26,101,521,26,117,26,99,99,26,26,26,26,117,26,26
+putpmsg,189,182,182,PNR,PNR,209,175,175,PNR,PNR,188,188,PNR,189,189
+pwrite64,181,18,18,181,68,201,17,17,109,109,180,180,68,181,181
+pwritev,334,296,535,362,70,331,290,294,316,316,321,321,70,329,329
+pwritev2,379,328,547,393,287,362,322,326,348,348,381,381,287,377,377
+query_module,167,178,PNR,PNR,PNR,187,171,171,PNR,PNR,166,166,PNR,167,167
+quotactl,131,179,179,131,60,131,172,172,131,131,131,131,60,131,131
+quotactl_fd,443,443,443,443,443,443,443,443,443,443,443,443,443,443,443
+read,3,0,0,3,63,3,0,0,3,3,3,3,63,3,3
+readahead,225,187,187,225,213,223,179,179,207,207,191,191,213,222,222
+readdir,89,PNR,PNR,PNR,PNR,89,PNR,PNR,PNR,PNR,89,89,PNR,89,89
+readlink,85,89,89,85,PNR,85,87,87,85,85,85,85,PNR,85,85
+readlinkat,305,267,267,332,78,298,257,261,285,285,296,296,78,298,298
+readv,145,19,515,145,65,145,18,18,145,145,145,145,65,145,145
+reboot,88,169,169,88,142,88,164,164,88,88,88,88,142,88,88
+recv,PNR,PNR,PNR,291,PNR,175,PNR,PNR,98,98,336,336,PNR,PNR,PNR
+recvfrom,371,45,517,292,207,176,44,44,123,123,337,337,207,371,371
+recvmmsg,337,299,537,365,243,335,294,298,319,319,343,343,243,357,357
+recvmmsg_time64,417,PNR,PNR,417,PNR,417,PNR,417,417,PNR,417,PNR,PNR,417,PNR
+recvmsg,372,47,519,297,212,177,46,46,184,184,342,342,212,372,372
+remap_file_pages,257,216,216,253,234,251,210,210,227,227,239,239,234,267,267
+removexattr,235,197,197,235,14,233,189,189,247,247,218,218,14,233,233
+rename,38,82,82,38,PNR,38,80,80,38,38,38,38,PNR,38,38
+renameat,302,264,264,329,38,295,254,258,282,282,293,293,PNR,295,295
+renameat2,353,316,316,382,276,351,311,315,337,337,357,357,276,347,347
+request_key,287,249,249,310,218,281,240,244,265,265,270,270,218,279,279
+restart_syscall,0,219,219,0,128,253,213,214,0,0,0,0,128,7,7
+riscv_flush_icache,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,259,PNR,PNR
+rmdir,40,84,84,40,PNR,40,82,82,40,40,40,40,PNR,40,40
+rseq,386,334,334,398,293,367,327,331,354,354,387,387,293,383,383
+rtas,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,255,255,PNR,PNR,PNR
+rt_sigaction,174,13,512,174,134,194,13,13,174,174,173,173,134,174,174
+rt_sigpending,176,127,522,176,136,196,125,125,176,176,175,175,136,176,176
+rt_sigprocmask,175,14,14,175,135,195,14,14,175,175,174,174,135,175,175
+rt_sigqueueinfo,178,129,524,178,138,198,127,127,178,178,177,177,138,178,178
+rt_sigreturn,173,15,513,173,139,193,211,211,173,173,172,172,139,173,173
+rt_sigsuspend,179,130,130,179,133,199,128,128,179,179,178,178,133,179,179
+rt_sigtimedwait,177,128,523,177,137,197,126,126,177,177,176,176,137,177,177
+rt_sigtimedwait_time64,421,PNR,PNR,421,PNR,421,PNR,421,421,PNR,421,PNR,PNR,421,PNR
+rt_tgsigqueueinfo,335,297,536,363,240,332,291,295,317,317,322,322,240,330,330
+s390_guarded_storage,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,378,378
+s390_pci_mmio_read,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,353,353
+s390_pci_mmio_write,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,352,352
+s390_runtime_instr,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,342,342
+s390_sthyi,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,380,380
+sched_getaffinity,242,204,204,242,123,240,196,196,212,212,223,223,123,240,240
+sched_getattr,352,315,315,381,275,350,310,314,335,335,356,356,275,346,346
+sched_getparam,155,143,143,155,121,159,140,140,155,155,155,155,121,155,155
+sched_get_priority_max,159,146,146,159,125,163,143,143,159,159,159,159,125,159,159
+sched_get_priority_min,160,147,147,160,126,164,144,144,160,160,160,160,126,160,160
+sched_getscheduler,157,145,145,157,120,161,142,142,157,157,157,157,120,157,157
+sched_rr_get_interval,161,148,148,161,127,165,145,145,161,161,161,161,127,161,161
+sched_rr_get_interval_time64,423,PNR,PNR,423,PNR,423,PNR,423,423,PNR,423,PNR,PNR,423,PNR
+sched_setaffinity,241,203,203,241,122,239,195,195,211,211,222,222,122,239,239
+sched_setattr,351,314,314,380,274,349,309,313,334,334,355,355,274,345,345
+sched_setparam,154,142,142,154,118,158,139,139,154,154,154,154,118,154,154
+sched_setscheduler,156,144,144,156,119,160,141,141,156,156,156,156,119,156,156
+sched_yield,158,24,24,158,124,162,23,23,158,158,158,158,124,158,158
+seccomp,354,317,317,383,277,352,312,316,338,338,358,358,277,348,348
+security,PNR,185,185,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+select,82,23,23,PNR,PNR,PNR,PNR,PNR,PNR,PNR,82,82,PNR,PNR,142
+semctl,394,66,66,300,191,394,64,64,187,187,394,394,191,394,394
+semget,393,64,64,299,190,393,62,62,186,186,393,393,190,393,393
+semop,PNR,65,65,298,193,PNR,63,63,185,185,PNR,PNR,193,PNR,PNR
+semtimedop,PNR,220,220,312,192,PNR,214,215,228,228,PNR,392,192,PNR,392
+semtimedop_time64,420,PNR,PNR,420,PNR,420,PNR,420,420,PNR,420,PNR,PNR,420,PNR
+send,PNR,PNR,PNR,289,PNR,178,PNR,PNR,58,58,334,334,PNR,PNR,PNR
+sendfile,187,40,40,187,71,207,39,39,122,122,186,186,71,187,187
+sendfile64,239,PNR,PNR,239,PNR,237,PNR,219,209,209,226,PNR,PNR,223,PNR
+sendmmsg,345,307,538,374,269,343,302,307,329,329,349,349,269,358,358
+sendmsg,370,46,518,296,211,179,45,45,183,183,341,341,211,370,370
+sendto,369,44,44,290,206,180,43,43,82,82,335,335,206,369,369
+setdomainname,121,171,171,121,162,121,166,166,121,121,121,121,162,121,121
+setfsgid,139,123,123,139,152,139,121,121,139,139,139,139,152,139,216
+setfsgid32,216,PNR,PNR,216,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,216,PNR
+setfsuid,138,122,122,138,151,138,120,120,138,138,138,138,151,138,215
+setfsuid32,215,PNR,PNR,215,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,215,PNR
+setgid,46,106,106,46,144,46,104,104,46,46,46,46,144,46,214
+setgid32,214,PNR,PNR,214,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,214,PNR
+setgroups,81,116,116,81,159,81,114,114,81,81,81,81,159,81,206
+setgroups32,206,PNR,PNR,206,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,206,PNR
+sethostname,74,170,170,74,161,74,165,165,74,74,74,74,161,74,74
+setitimer,104,38,38,104,103,104,36,36,104,104,104,104,103,104,104
+set_mempolicy,276,238,238,321,237,270,229,233,262,262,261,261,237,270,270
+set_mempolicy_home_node,450,450,450,450,450,450,450,450,450,450,450,450,450,450,450
+setns,346,308,308,375,268,344,303,308,328,328,350,350,268,339,339
+setpgid,57,109,109,57,154,57,107,107,57,57,57,57,154,57,57
+setpriority,97,141,141,97,140,97,138,138,97,97,97,97,140,97,97
+setregid,71,114,114,71,143,71,112,112,71,71,71,71,143,71,204
+setregid32,204,PNR,PNR,204,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,204,PNR
+setresgid,170,119,119,170,149,190,117,117,170,170,169,169,149,170,210
+setresgid32,210,PNR,PNR,210,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,210,PNR
+setresuid,164,117,117,164,147,185,115,115,164,164,164,164,147,164,208
+setresuid32,208,PNR,PNR,208,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,208,PNR
+setreuid,70,113,113,70,145,70,111,111,70,70,70,70,145,70,203
+setreuid32,203,PNR,PNR,203,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,203,PNR
+setrlimit,75,160,160,75,164,75,155,155,75,75,75,75,164,75,75
+set_robust_list,311,273,530,338,99,309,268,272,289,289,300,300,99,304,304
+setsid,66,112,112,66,157,66,110,110,66,66,66,66,157,66,66
+setsockopt,366,54,541,294,208,181,53,53,181,181,339,339,208,366,366
+set_thread_area,243,205,PNR,PNR,PNR,283,242,246,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+set_tid_address,258,218,218,256,96,252,212,213,237,237,232,232,96,252,252
+settimeofday,79,164,164,79,170,79,159,159,79,79,79,79,170,79,79
+set_tls,PNR,PNR,PNR,983045,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+setuid,23,105,105,23,146,23,103,103,23,23,23,23,146,23,213
+setuid32,213,PNR,PNR,213,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,213,PNR
+setxattr,226,188,188,226,5,224,180,180,238,238,209,209,5,224,224
+sgetmask,68,PNR,PNR,PNR,PNR,68,PNR,PNR,68,68,68,68,PNR,PNR,PNR
+shmat,397,30,30,305,196,397,29,29,192,192,397,397,196,397,397
+shmctl,396,31,31,308,195,396,30,30,195,195,396,396,195,396,396
+shmdt,398,67,67,306,197,398,65,65,193,193,398,398,197,398,398
+shmget,395,29,29,307,194,395,28,28,194,194,395,395,194,395,395
+shutdown,373,48,48,293,210,182,47,47,117,117,338,338,210,373,373
+sigaction,67,PNR,PNR,67,PNR,67,PNR,PNR,PNR,PNR,67,67,PNR,67,67
+sigaltstack,186,131,525,186,132,206,129,129,166,166,185,185,132,186,186
+signal,48,PNR,PNR,PNR,PNR,48,PNR,PNR,48,48,48,48,PNR,48,48
+signalfd,321,282,282,349,PNR,317,276,280,302,302,305,305,PNR,316,316
+signalfd4,327,289,289,355,74,324,283,287,309,309,313,313,74,322,322
+sigpending,73,PNR,PNR,73,PNR,73,PNR,PNR,73,73,73,73,PNR,73,73
+sigprocmask,126,PNR,PNR,126,PNR,126,PNR,PNR,126,126,126,126,PNR,126,126
+sigreturn,119,PNR,PNR,119,PNR,119,PNR,PNR,PNR,PNR,119,119,PNR,119,119
+sigsuspend,72,PNR,PNR,72,PNR,72,PNR,PNR,PNR,PNR,72,72,PNR,72,72
+socket,359,41,41,281,198,183,40,40,17,17,326,326,198,359,359
+socketcall,102,PNR,PNR,PNR,PNR,102,PNR,PNR,PNR,PNR,102,102,PNR,102,102
+socketpair,360,53,53,288,199,184,52,52,56,56,333,333,199,360,360
+splice,313,275,275,340,76,304,263,267,291,291,283,283,76,306,306
+spu_create,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,279,279,PNR,PNR,PNR
+spu_run,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,278,278,PNR,PNR,PNR
+ssetmask,69,PNR,PNR,PNR,PNR,69,PNR,PNR,69,69,69,69,PNR,PNR,PNR
+stat,106,4,4,106,PNR,106,4,4,18,18,106,106,PNR,106,106
+stat64,195,PNR,PNR,195,PNR,213,PNR,PNR,101,101,195,PNR,PNR,195,PNR
+statfs,99,137,137,99,43,99,134,134,99,99,99,99,43,99,99
+statfs64,268,PNR,PNR,266,PNR,255,PNR,217,298,298,252,252,PNR,265,265
+statx,383,332,332,397,291,366,326,330,349,349,383,383,291,379,379
+stime,25,PNR,PNR,PNR,PNR,25,PNR,PNR,25,25,25,25,PNR,25,PNR
+stty,31,PNR,PNR,PNR,PNR,31,PNR,PNR,PNR,PNR,31,31,PNR,PNR,PNR
+subpage_prot,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,310,310,PNR,PNR,PNR
+swapcontext,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,249,249,PNR,PNR,PNR
+swapoff,115,168,168,115,225,115,163,163,115,115,115,115,225,115,115
+swapon,87,167,167,87,224,87,162,162,87,87,87,87,224,87,87
+switch_endian,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,363,363,PNR,PNR,PNR
+symlink,83,88,88,83,PNR,83,86,86,83,83,83,83,PNR,83,83
+symlinkat,304,266,266,331,36,297,256,260,284,284,295,295,36,297,297
+sync,36,162,162,36,81,36,157,157,36,36,36,36,81,36,36
+sync_file_range,314,277,277,PNR,84,305,264,268,292,292,PNR,PNR,84,307,307
+sync_file_range2,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,308,308,PNR,PNR,PNR
+syncfs,344,306,306,373,267,342,301,306,327,327,348,348,267,338,338
+syscall,PNR,PNR,PNR,PNR,PNR,0,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+_sysctl,149,156,PNR,149,PNR,153,152,152,149,149,149,149,PNR,149,149
+sys_debug_setcontext,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,256,256,PNR,PNR,PNR
+sysfs,135,139,139,135,PNR,135,136,136,135,135,135,135,PNR,135,135
+sysinfo,116,99,99,116,179,116,97,97,116,116,116,116,179,116,116
+syslog,103,103,103,103,116,103,101,101,103,103,103,103,116,103,103
+sysmips,PNR,PNR,PNR,PNR,PNR,149,199,199,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+tee,315,276,276,342,77,306,265,269,293,293,284,284,77,308,308
+tgkill,270,234,234,268,131,266,225,229,259,259,250,250,131,241,241
+time,13,201,201,PNR,PNR,13,PNR,PNR,13,13,13,13,PNR,13,PNR
+timer_create,259,222,526,257,107,257,216,220,250,250,240,240,107,254,254
+timer_delete,263,226,226,261,111,261,220,224,254,254,244,244,111,258,258
+timerfd,PNR,PNR,PNR,PNR,PNR,318,277,281,PNR,PNR,PNR,PNR,PNR,317,317
+timerfd_create,322,283,283,350,85,321,280,284,306,306,306,306,85,319,319
+timerfd_gettime,326,287,287,354,87,322,281,285,308,308,312,312,87,321,321
+timerfd_gettime64,410,PNR,PNR,410,PNR,410,PNR,410,410,PNR,410,PNR,PNR,410,PNR
+timerfd_settime,325,286,286,353,86,323,282,286,307,307,311,311,86,320,320
+timerfd_settime64,411,PNR,PNR,411,PNR,411,PNR,411,411,PNR,411,PNR,PNR,411,PNR
+timer_getoverrun,262,225,225,260,109,260,219,223,253,253,243,243,109,257,257
+timer_gettime,261,224,224,259,108,259,218,222,252,252,242,242,108,256,256
+timer_gettime64,408,PNR,PNR,408,PNR,408,PNR,408,408,PNR,408,PNR,PNR,408,PNR
+timer_settime,260,223,223,258,110,258,217,221,251,251,241,241,110,255,255
+timer_settime64,409,PNR,PNR,409,PNR,409,PNR,409,409,PNR,409,PNR,PNR,409,PNR
+times,43,100,100,43,153,43,98,98,43,43,43,43,153,43,43
+tkill,238,200,200,238,130,236,192,192,208,208,208,208,130,237,237
+truncate,92,76,76,92,45,92,74,74,92,92,92,92,45,92,92
+truncate64,193,PNR,PNR,193,PNR,211,PNR,PNR,199,199,193,PNR,PNR,193,PNR
+tuxcall,PNR,184,184,PNR,PNR,PNR,PNR,PNR,PNR,PNR,225,225,PNR,PNR,PNR
+ugetrlimit,191,PNR,PNR,191,PNR,PNR,PNR,PNR,PNR,PNR,190,190,PNR,191,PNR
+ulimit,58,PNR,PNR,PNR,PNR,58,PNR,PNR,PNR,PNR,58,58,PNR,PNR,PNR
+umask,60,95,95,60,166,60,93,93,60,60,60,60,166,60,60
+umount,22,PNR,PNR,PNR,PNR,22,PNR,PNR,PNR,PNR,22,22,PNR,22,22
+umount2,52,166,166,52,39,52,161,161,52,52,52,52,39,52,52
+uname,122,63,63,122,160,122,61,61,59,59,122,122,160,122,122
+unlink,10,87,87,10,PNR,10,85,85,10,10,10,10,PNR,10,10
+unlinkat,301,263,263,328,35,294,253,257,281,281,292,292,35,294,294
+unshare,310,272,272,337,97,303,262,266,288,288,282,282,97,303,303
+uselib,86,134,PNR,86,PNR,86,PNR,PNR,86,86,86,86,PNR,86,86
+userfaultfd,374,323,323,388,282,357,317,321,344,344,364,364,282,355,355
+usr26,PNR,PNR,PNR,983043,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+usr32,PNR,PNR,PNR,983044,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+ustat,62,136,136,62,PNR,62,133,133,62,62,62,62,PNR,62,62
+utime,30,132,132,PNR,PNR,30,130,130,30,30,30,30,PNR,30,30
+utimensat,320,280,280,348,88,316,275,279,301,301,304,304,88,315,315
+utimensat_time64,412,PNR,PNR,412,PNR,412,PNR,412,412,PNR,412,PNR,PNR,412,PNR
+utimes,271,235,235,269,PNR,267,226,230,336,336,251,251,PNR,313,313
+vfork,190,58,58,190,PNR,PNR,PNR,PNR,113,113,189,189,PNR,190,190
+vhangup,111,153,153,111,58,111,150,150,111,111,111,111,58,111,111
+vm86,166,PNR,PNR,PNR,PNR,113,PNR,PNR,PNR,PNR,113,113,PNR,PNR,PNR
+vm86old,113,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+vmsplice,316,278,532,343,75,307,266,270,294,294,285,285,75,309,309
+vserver,273,236,PNR,313,PNR,277,236,240,PNR,PNR,PNR,PNR,PNR,PNR,PNR
+wait4,114,61,61,114,260,114,59,59,114,114,114,114,260,114,114
+waitid,284,247,529,280,95,278,237,241,235,235,272,272,95,281,281
+waitpid,7,PNR,PNR,PNR,PNR,7,PNR,PNR,7,7,7,7,PNR,PNR,PNR
+write,4,1,1,4,64,4,1,1,4,4,4,4,64,4,4
+writev,146,20,516,146,66,146,19,19,146,146,146,146,66,146,146
diff --git a/src/syscalls.h b/src/syscalls.h
new file mode 100644
index 0000000..af468a1
--- /dev/null
+++ b/src/syscalls.h
@@ -0,0 +1,70 @@
+/**
+ * Enhanced Seccomp x86_64 Syscall Table
+ *
+ * Copyright (c) 2012, 2020 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ * gperf support: Giuseppe Scrivano <gscrivan@redhat.com>
+ */
+
+#ifndef _SYSCALLS_H
+#define _SYSCALLS_H
+
+#include <stddef.h>
+
+#include "arch-aarch64.h"
+#include "arch-arm.h"
+#include "arch.h"
+#include "arch-mips64.h"
+#include "arch-mips64n32.h"
+#include "arch-mips.h"
+#include "arch-parisc.h"
+#include "arch-ppc64.h"
+#include "arch-ppc.h"
+#include "arch-s390.h"
+#include "arch-s390x.h"
+#include "arch-x32.h"
+#include "arch-x86_64.h"
+#include "arch-x86.h"
+#include "arch-x86.h"
+#include "arch-riscv64.h"
+
+/* NOTE: changes to the arch_syscall_table layout may require changes to the
+ * generate_syscalls_perf.sh and arch-syscall-validate scripts */
+struct arch_syscall_table {
+ int name;
+ int index;
+
+ /* each arch listed here must be defined in syscalls.c */
+ /* NOTE: see the warning above - BEWARE! */
+ int x86;
+ int x86_64;
+ int x32;
+ int arm;
+ int aarch64;
+ int mips;
+ int mips64;
+ int mips64n32;
+ int parisc;
+ int parisc64;
+ int ppc;
+ int ppc64;
+ int riscv64;
+ int s390;
+ int s390x;
+};
+#define OFFSET_ARCH(NAME) offsetof(struct arch_syscall_table, NAME)
+
+/* defined in syscalls.perf.template */
+int syscall_resolve_name(const char *name, int offset);
+const char *syscall_resolve_num(int num, int offset);
+const struct arch_syscall_def *syscall_iterate(unsigned int spot, int offset);
+
+/* helper functions for multiplexed syscalls, e.g. socketcall(2) and ipc(2) */
+int abi_syscall_resolve_name_munge(const struct arch_def *arch,
+ const char *name);
+const char *abi_syscall_resolve_num_munge(const struct arch_def *arch, int num);
+int abi_syscall_rewrite(const struct arch_def *arch, int *syscall);
+int abi_rule_add(struct db_filter *db, struct db_api_rule_list *rule);
+
+
+#endif
diff --git a/src/syscalls.perf b/src/syscalls.perf
new file mode 100644
index 0000000..0d5459a
--- /dev/null
+++ b/src/syscalls.perf
@@ -0,0 +1,568 @@
+%{
+/**
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Copyright (c) 2020 Red Hat <gscrivan@redhat.com>
+ * Authors: Paul Moore <paul@paul-moore.com>
+ * Giuseppe Scrivano <gscrivan@redhat.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <seccomp.h>
+#include <string.h>
+#include "syscalls.h"
+
+%}
+struct arch_syscall_table;
+
+%%
+accept,0,__PNR_accept,43,43,285,202,168,42,42,35,35,330,330,202,__PNR_accept,__PNR_accept
+accept4,1,364,288,288,366,242,334,293,297,320,320,344,344,242,364,364
+access,2,33,21,21,33,__PNR_access,33,20,20,33,33,33,33,__PNR_access,33,33
+acct,3,51,163,163,51,89,51,158,158,51,51,51,51,89,51,51
+add_key,4,286,248,248,309,217,280,239,243,264,264,269,269,217,278,278
+adjtimex,5,124,159,159,124,171,124,154,154,124,124,124,124,171,124,124
+afs_syscall,6,137,183,183,__PNR_afs_syscall,__PNR_afs_syscall,137,176,176,__PNR_afs_syscall,__PNR_afs_syscall,137,137,__PNR_afs_syscall,137,137
+alarm,7,27,37,37,__PNR_alarm,__PNR_alarm,27,37,37,27,27,27,27,__PNR_alarm,27,27
+arch_prctl,8,384,158,158,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl
+arm_fadvise64_64,9,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,270,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64
+arm_sync_file_range,10,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,341,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range
+bdflush,11,134,__PNR_bdflush,__PNR_bdflush,134,__PNR_bdflush,134,__PNR_bdflush,__PNR_bdflush,134,134,134,134,__PNR_bdflush,134,134
+bind,12,361,49,49,282,200,169,48,48,22,22,327,327,200,361,361
+bpf,13,357,321,321,386,280,355,315,319,341,341,361,361,280,351,351
+break,14,17,__PNR_break,__PNR_break,__PNR_break,__PNR_break,17,__PNR_break,__PNR_break,__PNR_break,__PNR_break,17,17,__PNR_break,__PNR_break,__PNR_break
+breakpoint,15,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,983041,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint
+brk,16,45,12,12,45,214,45,12,12,45,45,45,45,214,45,45
+cachectl,17,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,148,198,198,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl
+cacheflush,18,__PNR_cacheflush,__PNR_cacheflush,__PNR_cacheflush,983042,__PNR_cacheflush,147,197,197,356,356,__PNR_cacheflush,__PNR_cacheflush,__PNR_cacheflush,__PNR_cacheflush,__PNR_cacheflush
+cachestat,19,451,451,451,451,451,451,451,451,451,451,451,451,451,451,451
+capget,20,184,125,125,184,90,204,123,123,106,106,183,183,90,184,184
+capset,21,185,126,126,185,91,205,124,124,107,107,184,184,91,185,185
+chdir,22,12,80,80,12,49,12,78,78,12,12,12,12,49,12,12
+chmod,23,15,90,90,15,__PNR_chmod,15,88,88,15,15,15,15,__PNR_chmod,15,15
+chown,24,182,92,92,182,__PNR_chown,202,90,90,180,180,181,181,__PNR_chown,182,212
+chown32,25,212,__PNR_chown32,__PNR_chown32,212,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,212,__PNR_chown32
+chroot,26,61,161,161,61,51,61,156,156,61,61,61,61,51,61,61
+clock_adjtime,27,343,305,305,372,266,341,300,305,324,324,347,347,266,337,337
+clock_adjtime64,28,405,__PNR_clock_adjtime64,__PNR_clock_adjtime64,405,__PNR_clock_adjtime64,405,__PNR_clock_adjtime64,405,405,__PNR_clock_adjtime64,405,__PNR_clock_adjtime64,__PNR_clock_adjtime64,405,__PNR_clock_adjtime64
+clock_getres,29,266,229,229,264,114,264,223,227,257,257,247,247,114,261,261
+clock_getres_time64,30,406,__PNR_clock_getres_time64,__PNR_clock_getres_time64,406,__PNR_clock_getres_time64,406,__PNR_clock_getres_time64,406,406,__PNR_clock_getres_time64,406,__PNR_clock_getres_time64,__PNR_clock_getres_time64,406,__PNR_clock_getres_time64
+clock_gettime,31,265,228,228,263,113,263,222,226,256,256,246,246,113,260,260
+clock_gettime64,32,403,__PNR_clock_gettime64,__PNR_clock_gettime64,403,__PNR_clock_gettime64,403,__PNR_clock_gettime64,403,403,__PNR_clock_gettime64,403,__PNR_clock_gettime64,__PNR_clock_gettime64,403,__PNR_clock_gettime64
+clock_nanosleep,33,267,230,230,265,115,265,224,228,258,258,248,248,115,262,262
+clock_nanosleep_time64,34,407,__PNR_clock_nanosleep_time64,__PNR_clock_nanosleep_time64,407,__PNR_clock_nanosleep_time64,407,__PNR_clock_nanosleep_time64,407,407,__PNR_clock_nanosleep_time64,407,__PNR_clock_nanosleep_time64,__PNR_clock_nanosleep_time64,407,__PNR_clock_nanosleep_time64
+clock_settime,35,264,227,227,262,112,262,221,225,255,255,245,245,112,259,259
+clock_settime64,36,404,__PNR_clock_settime64,__PNR_clock_settime64,404,__PNR_clock_settime64,404,__PNR_clock_settime64,404,404,__PNR_clock_settime64,404,__PNR_clock_settime64,__PNR_clock_settime64,404,__PNR_clock_settime64
+clone,37,120,56,56,120,220,120,55,55,120,120,120,120,220,120,120
+clone3,38,435,435,435,435,435,435,435,435,435,435,435,435,435,435,435
+close,39,6,3,3,6,57,6,3,3,6,6,6,6,57,6,6
+close_range,40,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436
+connect,41,362,42,42,283,203,170,41,41,31,31,328,328,203,362,362
+copy_file_range,42,377,326,326,391,285,360,320,324,346,346,379,379,285,375,375
+creat,43,8,85,85,8,__PNR_creat,8,83,83,8,8,8,8,__PNR_creat,8,8
+create_module,44,127,174,__PNR_create_module,__PNR_create_module,__PNR_create_module,127,167,167,__PNR_create_module,__PNR_create_module,127,127,__PNR_create_module,127,127
+delete_module,45,129,176,176,129,106,129,169,169,129,129,129,129,106,129,129
+dup,46,41,32,32,41,23,41,31,31,41,41,41,41,23,41,41
+dup2,47,63,33,33,63,__PNR_dup2,63,32,32,63,63,63,63,__PNR_dup2,63,63
+dup3,48,330,292,292,358,24,327,286,290,312,312,316,316,24,326,326
+epoll_create,49,254,213,213,250,__PNR_epoll_create,248,207,207,224,224,236,236,__PNR_epoll_create,249,249
+epoll_create1,50,329,291,291,357,20,326,285,289,311,311,315,315,20,327,327
+epoll_ctl,51,255,233,233,251,21,249,208,208,225,225,237,237,21,250,250
+epoll_ctl_old,52,__PNR_epoll_ctl_old,214,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old
+epoll_pwait,53,319,281,281,346,22,313,272,276,297,297,303,303,22,312,312
+epoll_pwait2,54,441,441,441,441,441,441,441,441,441,441,441,441,441,441,441
+epoll_wait,55,256,232,232,252,__PNR_epoll_wait,250,209,209,226,226,238,238,__PNR_epoll_wait,251,251
+epoll_wait_old,56,__PNR_epoll_wait_old,215,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old
+eventfd,57,323,284,284,351,__PNR_eventfd,319,278,282,304,304,307,307,__PNR_eventfd,318,318
+eventfd2,58,328,290,290,356,19,325,284,288,310,310,314,314,19,323,323
+execve,59,11,59,520,11,221,11,57,57,11,11,11,11,221,11,11
+execveat,60,358,322,545,387,281,356,316,320,342,342,362,362,281,354,354
+exit,61,1,60,60,1,93,1,58,58,1,1,1,1,93,1,1
+exit_group,62,252,231,231,248,94,246,205,205,222,222,234,234,94,248,248
+faccessat,63,307,269,269,334,48,300,259,263,287,287,298,298,48,300,300
+faccessat2,64,439,439,439,439,439,439,439,439,439,439,439,439,439,439,439
+fadvise64,65,250,221,221,__PNR_fadvise64,223,254,215,216,__PNR_fadvise64,__PNR_fadvise64,233,233,223,253,253
+fadvise64_64,66,272,__PNR_fadvise64_64,__PNR_fadvise64_64,__PNR_fadvise64_64,__PNR_fadvise64_64,__PNR_fadvise64_64,__PNR_fadvise64_64,__PNR_fadvise64_64,236,236,254,__PNR_fadvise64_64,__PNR_fadvise64_64,264,__PNR_fadvise64_64
+fallocate,67,324,285,285,352,47,320,279,283,305,305,309,309,47,314,314
+fanotify_init,68,338,300,300,367,262,336,295,300,322,322,323,323,262,332,332
+fanotify_mark,69,339,301,301,368,263,337,296,301,323,323,324,324,263,333,333
+fchdir,70,133,81,81,133,50,133,79,79,133,133,133,133,50,133,133
+fchmod,71,94,91,91,94,52,94,89,89,94,94,94,94,52,94,94
+fchmodat,72,306,268,268,333,53,299,258,262,286,286,297,297,53,299,299
+fchmodat2,73,452,452,452,452,452,452,452,452,452,452,452,452,452,452,452
+fchown,74,95,93,93,95,55,95,91,91,95,95,95,95,55,95,207
+fchown32,75,207,__PNR_fchown32,__PNR_fchown32,207,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,207,__PNR_fchown32
+fchownat,76,298,260,260,325,54,291,250,254,278,278,289,289,54,291,291
+fcntl,77,55,72,72,55,25,55,70,70,55,55,55,55,25,55,55
+fcntl64,78,221,__PNR_fcntl64,__PNR_fcntl64,221,__PNR_fcntl64,220,__PNR_fcntl64,212,202,202,204,__PNR_fcntl64,__PNR_fcntl64,221,__PNR_fcntl64
+fdatasync,79,148,75,75,148,83,152,73,73,148,148,148,148,83,148,148
+fgetxattr,80,231,193,193,231,10,229,185,185,243,243,214,214,10,229,229
+finit_module,81,350,313,313,379,273,348,307,312,333,333,353,353,273,344,344
+flistxattr,82,234,196,196,234,13,232,188,188,246,246,217,217,13,232,232
+flock,83,143,73,73,143,32,143,71,71,143,143,143,143,32,143,143
+fork,84,2,57,57,2,__PNR_fork,2,56,56,2,2,2,2,__PNR_fork,2,2
+fremovexattr,85,237,199,199,237,16,235,191,191,249,249,220,220,16,235,235
+fsconfig,86,431,431,431,431,431,431,431,431,431,431,431,431,431,431,431
+fsetxattr,87,228,190,190,228,7,226,182,182,240,240,211,211,7,226,226
+fsmount,88,432,432,432,432,432,432,432,432,432,432,432,432,432,432,432
+fsopen,89,430,430,430,430,430,430,430,430,430,430,430,430,430,430,430
+fspick,90,433,433,433,433,433,433,433,433,433,433,433,433,433,433,433
+fstat,91,108,5,5,108,80,108,5,5,28,28,108,108,80,108,108
+fstat64,92,197,__PNR_fstat64,__PNR_fstat64,197,__PNR_fstat64,215,__PNR_fstat64,__PNR_fstat64,112,112,197,__PNR_fstat64,__PNR_fstat64,197,__PNR_fstat64
+fstatat64,93,300,__PNR_fstatat64,__PNR_fstatat64,327,__PNR_fstatat64,293,__PNR_fstatat64,__PNR_fstatat64,280,280,291,__PNR_fstatat64,__PNR_fstatat64,293,__PNR_fstatat64
+fstatfs,94,100,138,138,100,44,100,135,135,100,100,100,100,44,100,100
+fstatfs64,95,269,__PNR_fstatfs64,__PNR_fstatfs64,267,__PNR_fstatfs64,256,__PNR_fstatfs64,218,299,299,253,253,__PNR_fstatfs64,266,266
+fsync,96,118,74,74,118,82,118,72,72,118,118,118,118,82,118,118
+ftime,97,35,__PNR_ftime,__PNR_ftime,__PNR_ftime,__PNR_ftime,35,__PNR_ftime,__PNR_ftime,__PNR_ftime,__PNR_ftime,35,35,__PNR_ftime,__PNR_ftime,__PNR_ftime
+ftruncate,98,93,77,77,93,46,93,75,75,93,93,93,93,46,93,93
+ftruncate64,99,194,__PNR_ftruncate64,__PNR_ftruncate64,194,__PNR_ftruncate64,212,__PNR_ftruncate64,__PNR_ftruncate64,200,200,194,__PNR_ftruncate64,__PNR_ftruncate64,194,__PNR_ftruncate64
+futex,100,240,202,202,240,98,238,194,194,210,210,221,221,98,238,238
+futex_requeue,101,456,456,456,456,456,456,456,456,456,456,456,456,456,456,456
+futex_time64,102,422,__PNR_futex_time64,__PNR_futex_time64,422,__PNR_futex_time64,422,__PNR_futex_time64,422,422,__PNR_futex_time64,422,__PNR_futex_time64,__PNR_futex_time64,422,__PNR_futex_time64
+futex_wait,103,455,455,455,455,455,455,455,455,455,455,455,455,455,455,455
+futex_waitv,104,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449
+futex_wake,105,454,454,454,454,454,454,454,454,454,454,454,454,454,454,454
+futimesat,106,299,261,261,326,__PNR_futimesat,292,251,255,279,279,290,290,__PNR_futimesat,292,292
+getcpu,107,318,309,309,345,168,312,271,275,296,296,302,302,168,311,311
+getcwd,108,183,79,79,183,17,203,77,77,110,110,182,182,17,183,183
+getdents,109,141,78,78,141,__PNR_getdents,141,76,76,141,141,141,141,__PNR_getdents,141,141
+getdents64,110,220,217,217,217,61,219,308,299,201,201,202,202,61,220,220
+getegid,111,50,108,108,50,177,50,106,106,50,50,50,50,177,50,202
+getegid32,112,202,__PNR_getegid32,__PNR_getegid32,202,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,202,__PNR_getegid32
+geteuid,113,49,107,107,49,175,49,105,105,49,49,49,49,175,49,201
+geteuid32,114,201,__PNR_geteuid32,__PNR_geteuid32,201,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,201,__PNR_geteuid32
+getgid,115,47,104,104,47,176,47,102,102,47,47,47,47,176,47,200
+getgid32,116,200,__PNR_getgid32,__PNR_getgid32,200,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,200,__PNR_getgid32
+getgroups,117,80,115,115,80,158,80,113,113,80,80,80,80,158,80,205
+getgroups32,118,205,__PNR_getgroups32,__PNR_getgroups32,205,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,205,__PNR_getgroups32
+getitimer,119,105,36,36,105,102,105,35,35,105,105,105,105,102,105,105
+get_kernel_syms,120,130,177,__PNR_get_kernel_syms,__PNR_get_kernel_syms,__PNR_get_kernel_syms,130,170,170,__PNR_get_kernel_syms,__PNR_get_kernel_syms,130,130,__PNR_get_kernel_syms,130,130
+get_mempolicy,121,275,239,239,320,236,269,228,232,261,261,260,260,236,269,269
+getpeername,122,368,52,52,287,205,171,51,51,53,53,332,332,205,368,368
+getpgid,123,132,121,121,132,155,132,119,119,132,132,132,132,155,132,132
+getpgrp,124,65,111,111,65,__PNR_getpgrp,65,109,109,65,65,65,65,__PNR_getpgrp,65,65
+getpid,125,20,39,39,20,172,20,38,38,20,20,20,20,172,20,20
+getpmsg,126,188,181,181,__PNR_getpmsg,__PNR_getpmsg,208,174,174,__PNR_getpmsg,__PNR_getpmsg,187,187,__PNR_getpmsg,188,188
+getppid,127,64,110,110,64,173,64,108,108,64,64,64,64,173,64,64
+getpriority,128,96,140,140,96,141,96,137,137,96,96,96,96,141,96,96
+getrandom,129,355,318,318,384,278,353,313,317,339,339,359,359,278,349,349
+getresgid,130,171,120,120,171,150,191,118,118,171,171,170,170,150,171,211
+getresgid32,131,211,__PNR_getresgid32,__PNR_getresgid32,211,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,211,__PNR_getresgid32
+getresuid,132,165,118,118,165,148,186,116,116,165,165,165,165,148,165,209
+getresuid32,133,209,__PNR_getresuid32,__PNR_getresuid32,209,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,209,__PNR_getresuid32
+getrlimit,134,76,97,97,__PNR_getrlimit,163,76,95,95,76,76,76,76,163,76,191
+get_robust_list,135,312,274,531,339,100,310,269,273,290,290,299,299,100,305,305
+getrusage,136,77,98,98,77,165,77,96,96,77,77,77,77,165,77,77
+getsid,137,147,124,124,147,156,151,122,122,147,147,147,147,156,147,147
+getsockname,138,367,51,51,286,204,172,50,50,44,44,331,331,204,367,367
+getsockopt,139,365,55,542,295,209,173,54,54,182,182,340,340,209,365,365
+get_thread_area,140,244,211,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area
+gettid,141,224,186,186,224,178,222,178,178,206,206,207,207,178,236,236
+gettimeofday,142,78,96,96,78,169,78,94,94,78,78,78,78,169,78,78
+get_tls,143,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,983046,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls
+getuid,144,24,102,102,24,174,24,100,100,24,24,24,24,174,24,199
+getuid32,145,199,__PNR_getuid32,__PNR_getuid32,199,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,199,__PNR_getuid32
+getxattr,146,229,191,191,229,8,227,183,183,241,241,212,212,8,227,227
+gtty,147,32,__PNR_gtty,__PNR_gtty,__PNR_gtty,__PNR_gtty,32,__PNR_gtty,__PNR_gtty,__PNR_gtty,__PNR_gtty,32,32,__PNR_gtty,__PNR_gtty,__PNR_gtty
+idle,148,112,__PNR_idle,__PNR_idle,__PNR_idle,__PNR_idle,112,__PNR_idle,__PNR_idle,__PNR_idle,__PNR_idle,112,112,__PNR_idle,112,112
+init_module,149,128,175,175,128,105,128,168,168,128,128,128,128,105,128,128
+inotify_add_watch,150,292,254,254,317,27,285,244,248,270,270,276,276,27,285,285
+inotify_init,151,291,253,253,316,__PNR_inotify_init,284,243,247,269,269,275,275,__PNR_inotify_init,284,284
+inotify_init1,152,332,294,294,360,26,329,288,292,314,314,318,318,26,324,324
+inotify_rm_watch,153,293,255,255,318,28,286,245,249,271,271,277,277,28,286,286
+io_cancel,154,249,210,210,247,3,245,204,204,219,219,231,231,3,247,247
+ioctl,155,54,16,514,54,29,54,15,15,54,54,54,54,29,54,54
+io_destroy,156,246,207,207,244,1,242,201,201,216,216,228,228,1,244,244
+io_getevents,157,247,208,208,245,4,243,202,202,217,217,229,229,4,245,245
+ioperm,158,101,173,173,__PNR_ioperm,__PNR_ioperm,101,__PNR_ioperm,__PNR_ioperm,__PNR_ioperm,__PNR_ioperm,101,101,__PNR_ioperm,101,__PNR_ioperm
+io_pgetevents,159,385,333,333,399,292,368,328,332,350,350,388,388,292,382,382
+io_pgetevents_time64,160,416,__PNR_io_pgetevents_time64,__PNR_io_pgetevents_time64,416,__PNR_io_pgetevents_time64,416,__PNR_io_pgetevents_time64,416,416,__PNR_io_pgetevents_time64,416,__PNR_io_pgetevents_time64,__PNR_io_pgetevents_time64,416,__PNR_io_pgetevents_time64
+iopl,161,110,172,172,__PNR_iopl,__PNR_iopl,110,__PNR_iopl,__PNR_iopl,__PNR_iopl,__PNR_iopl,110,110,__PNR_iopl,__PNR_iopl,__PNR_iopl
+ioprio_get,162,290,252,252,315,31,315,274,278,268,268,274,274,31,283,283
+ioprio_set,163,289,251,251,314,30,314,273,277,267,267,273,273,30,282,282
+io_setup,164,245,206,543,243,0,241,200,200,215,215,227,227,0,243,243
+io_submit,165,248,209,544,246,2,244,203,203,218,218,230,230,2,246,246
+io_uring_enter,166,426,426,426,426,426,426,426,426,426,426,426,426,426,426,426
+io_uring_register,167,427,427,427,427,427,427,427,427,427,427,427,427,427,427,427
+io_uring_setup,168,425,425,425,425,425,425,425,425,425,425,425,425,425,425,425
+ipc,169,117,__PNR_ipc,__PNR_ipc,__PNR_ipc,__PNR_ipc,117,__PNR_ipc,__PNR_ipc,__PNR_ipc,__PNR_ipc,117,117,__PNR_ipc,117,117
+kcmp,170,349,312,312,378,272,347,306,311,332,332,354,354,272,343,343
+kexec_file_load,171,__PNR_kexec_file_load,320,320,401,294,__PNR_kexec_file_load,__PNR_kexec_file_load,__PNR_kexec_file_load,355,355,382,382,294,381,381
+kexec_load,172,283,246,528,347,104,311,270,274,300,300,268,268,104,277,277
+keyctl,173,288,250,250,311,219,282,241,245,266,266,271,271,219,280,280
+kill,174,37,62,62,37,129,37,60,60,37,37,37,37,129,37,37
+landlock_add_rule,175,445,445,445,445,445,445,445,445,445,445,445,445,445,445,445
+landlock_create_ruleset,176,444,444,444,444,444,444,444,444,444,444,444,444,444,444,444
+landlock_restrict_self,177,446,446,446,446,446,446,446,446,446,446,446,446,446,446,446
+lchown,178,16,94,94,16,__PNR_lchown,16,92,92,16,16,16,16,__PNR_lchown,16,198
+lchown32,179,198,__PNR_lchown32,__PNR_lchown32,198,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,198,__PNR_lchown32
+lgetxattr,180,230,192,192,230,9,228,184,184,242,242,213,213,9,228,228
+link,181,9,86,86,9,__PNR_link,9,84,84,9,9,9,9,__PNR_link,9,9
+linkat,182,303,265,265,330,37,296,255,259,283,283,294,294,37,296,296
+listen,183,363,50,50,284,201,174,49,49,32,32,329,329,201,363,363
+listxattr,184,232,194,194,232,11,230,186,186,244,244,215,215,11,230,230
+llistxattr,185,233,195,195,233,12,231,187,187,245,245,216,216,12,231,231
+_llseek,186,140,__PNR__llseek,__PNR__llseek,140,__PNR__llseek,140,__PNR__llseek,__PNR__llseek,140,140,140,140,__PNR__llseek,140,__PNR__llseek
+lock,187,53,__PNR_lock,__PNR_lock,__PNR_lock,__PNR_lock,53,__PNR_lock,__PNR_lock,__PNR_lock,__PNR_lock,53,53,__PNR_lock,__PNR_lock,__PNR_lock
+lookup_dcookie,188,253,212,212,249,18,247,206,206,223,223,235,235,18,110,110
+lremovexattr,189,236,198,198,236,15,234,190,190,248,248,219,219,15,234,234
+lseek,190,19,8,8,19,62,19,8,8,19,19,19,19,62,19,19
+lsetxattr,191,227,189,189,227,6,225,181,181,239,239,210,210,6,225,225
+lstat,192,107,6,6,107,__PNR_lstat,107,6,6,84,84,107,107,__PNR_lstat,107,107
+lstat64,193,196,__PNR_lstat64,__PNR_lstat64,196,__PNR_lstat64,214,__PNR_lstat64,__PNR_lstat64,198,198,196,__PNR_lstat64,__PNR_lstat64,196,__PNR_lstat64
+madvise,194,219,28,28,220,233,218,27,27,119,119,205,205,233,219,219
+map_shadow_stack,195,453,453,__PNR_map_shadow_stack,453,453,453,453,453,453,453,453,453,453,453,453
+mbind,196,274,237,237,319,235,268,227,231,260,260,259,259,235,268,268
+membarrier,197,375,324,324,389,283,358,318,322,343,343,365,365,283,356,356
+memfd_create,198,356,319,319,385,279,354,314,318,340,340,360,360,279,350,350
+memfd_secret,199,447,447,447,__PNR_memfd_secret,447,__PNR_memfd_secret,__PNR_memfd_secret,__PNR_memfd_secret,__PNR_memfd_secret,__PNR_memfd_secret,__PNR_memfd_secret,__PNR_memfd_secret,447,447,447
+migrate_pages,200,294,256,256,400,238,287,246,250,272,272,258,258,238,287,287
+mincore,201,218,27,27,219,232,217,26,26,72,72,206,206,232,218,218
+mkdir,202,39,83,83,39,__PNR_mkdir,39,81,81,39,39,39,39,__PNR_mkdir,39,39
+mkdirat,203,296,258,258,323,34,289,248,252,276,276,287,287,34,289,289
+mknod,204,14,133,133,14,__PNR_mknod,14,131,131,14,14,14,14,__PNR_mknod,14,14
+mknodat,205,297,259,259,324,33,290,249,253,277,277,288,288,33,290,290
+mlock,206,150,149,149,150,228,154,146,146,150,150,150,150,228,150,150
+mlock2,207,376,325,325,390,284,359,319,323,345,345,378,378,284,374,374
+mlockall,208,152,151,151,152,230,156,148,148,152,152,152,152,230,152,152
+mmap,209,90,9,9,__PNR_mmap,222,90,9,9,90,90,90,90,222,90,90
+mmap2,210,192,__PNR_mmap2,__PNR_mmap2,192,__PNR_mmap2,210,__PNR_mmap2,__PNR_mmap2,89,89,192,__PNR_mmap2,__PNR_mmap2,192,__PNR_mmap2
+modify_ldt,211,123,154,154,__PNR_modify_ldt,__PNR_modify_ldt,123,__PNR_modify_ldt,__PNR_modify_ldt,__PNR_modify_ldt,__PNR_modify_ldt,123,123,__PNR_modify_ldt,__PNR_modify_ldt,__PNR_modify_ldt
+mount,212,21,165,165,21,40,21,160,160,21,21,21,21,40,21,21
+mount_setattr,213,442,442,442,442,442,442,442,442,442,442,442,442,442,442,442
+move_mount,214,429,429,429,429,429,429,429,429,429,429,429,429,429,429,429
+move_pages,215,317,279,533,344,239,308,267,271,295,295,301,301,239,310,310
+mprotect,216,125,10,10,125,226,125,10,10,125,125,125,125,226,125,125
+mpx,217,56,__PNR_mpx,__PNR_mpx,__PNR_mpx,__PNR_mpx,56,__PNR_mpx,__PNR_mpx,__PNR_mpx,__PNR_mpx,56,56,__PNR_mpx,__PNR_mpx,__PNR_mpx
+mq_getsetattr,218,282,245,245,279,185,276,235,239,234,234,267,267,185,276,276
+mq_notify,219,281,244,527,278,184,275,234,238,233,233,266,266,184,275,275
+mq_open,220,277,240,240,274,180,271,230,234,229,229,262,262,180,271,271
+mq_timedreceive,221,280,243,243,277,183,274,233,237,232,232,265,265,183,274,274
+mq_timedreceive_time64,222,419,__PNR_mq_timedreceive_time64,__PNR_mq_timedreceive_time64,419,__PNR_mq_timedreceive_time64,419,__PNR_mq_timedreceive_time64,419,419,__PNR_mq_timedreceive_time64,419,__PNR_mq_timedreceive_time64,__PNR_mq_timedreceive_time64,419,__PNR_mq_timedreceive_time64
+mq_timedsend,223,279,242,242,276,182,273,232,236,231,231,264,264,182,273,273
+mq_timedsend_time64,224,418,__PNR_mq_timedsend_time64,__PNR_mq_timedsend_time64,418,__PNR_mq_timedsend_time64,418,__PNR_mq_timedsend_time64,418,418,__PNR_mq_timedsend_time64,418,__PNR_mq_timedsend_time64,__PNR_mq_timedsend_time64,418,__PNR_mq_timedsend_time64
+mq_unlink,225,278,241,241,275,181,272,231,235,230,230,263,263,181,272,272
+mremap,226,163,25,25,163,216,167,24,24,163,163,163,163,216,163,163
+msgctl,227,402,71,71,304,187,402,69,69,191,191,402,402,187,402,402
+msgget,228,399,68,68,303,186,399,66,66,190,190,399,399,186,399,399
+msgrcv,229,401,70,70,302,188,401,68,68,189,189,401,401,188,401,401
+msgsnd,230,400,69,69,301,189,400,67,67,188,188,400,400,189,400,400
+msync,231,144,26,26,144,227,144,25,25,144,144,144,144,227,144,144
+multiplexer,232,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,201,201,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer
+munlock,233,151,150,150,151,229,155,147,147,151,151,151,151,229,151,151
+munlockall,234,153,152,152,153,231,157,149,149,153,153,153,153,231,153,153
+munmap,235,91,11,11,91,215,91,11,11,91,91,91,91,215,91,91
+name_to_handle_at,236,341,303,303,370,264,339,298,303,325,325,345,345,264,335,335
+nanosleep,237,162,35,35,162,101,166,34,34,162,162,162,162,101,162,162
+newfstatat,238,__PNR_newfstatat,262,262,__PNR_newfstatat,79,__PNR_newfstatat,252,256,__PNR_newfstatat,__PNR_newfstatat,__PNR_newfstatat,291,79,__PNR_newfstatat,293
+_newselect,239,142,__PNR__newselect,__PNR__newselect,142,__PNR__newselect,142,22,22,142,142,142,142,__PNR__newselect,142,__PNR__newselect
+nfsservctl,240,169,180,__PNR_nfsservctl,169,42,189,173,173,__PNR_nfsservctl,__PNR_nfsservctl,168,168,42,169,169
+nice,241,34,__PNR_nice,__PNR_nice,34,__PNR_nice,34,__PNR_nice,__PNR_nice,34,34,34,34,__PNR_nice,34,34
+oldfstat,242,28,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,28,28,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat
+oldlstat,243,84,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,84,84,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat
+oldolduname,244,59,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,59,59,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname
+oldstat,245,18,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,18,18,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat
+olduname,246,109,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,109,109,__PNR_olduname,__PNR_olduname,__PNR_olduname
+open,247,5,2,2,5,__PNR_open,5,2,2,5,5,5,5,__PNR_open,5,5
+openat,248,295,257,257,322,56,288,247,251,275,275,286,286,56,288,288
+openat2,249,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437
+open_by_handle_at,250,342,304,304,371,265,340,299,304,326,326,346,346,265,336,336
+open_tree,251,428,428,428,428,428,428,428,428,428,428,428,428,428,428,428
+pause,252,29,34,34,29,__PNR_pause,29,33,33,29,29,29,29,__PNR_pause,29,29
+pciconfig_iobase,253,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,271,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,200,200,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase
+pciconfig_read,254,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read,272,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read,198,198,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read
+pciconfig_write,255,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write,273,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write,199,199,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write
+perf_event_open,256,336,298,298,364,241,333,292,296,318,318,319,319,241,331,331
+personality,257,136,135,135,136,92,136,132,132,136,136,136,136,92,136,136
+pidfd_getfd,258,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438
+pidfd_open,259,434,434,434,434,434,434,434,434,434,434,434,434,434,434,434
+pidfd_send_signal,260,424,424,424,424,424,424,424,424,424,424,424,424,424,424,424
+pipe,261,42,22,22,42,__PNR_pipe,42,21,21,42,42,42,42,__PNR_pipe,42,42
+pipe2,262,331,293,293,359,59,328,287,291,313,313,317,317,59,325,325
+pivot_root,263,217,155,155,218,41,216,151,151,67,67,203,203,41,217,217
+pkey_alloc,264,381,330,330,395,289,364,324,328,352,352,384,384,289,385,385
+pkey_free,265,382,331,331,396,290,365,325,329,353,353,385,385,290,386,386
+pkey_mprotect,266,380,329,329,394,288,363,323,327,351,351,386,386,288,384,384
+poll,267,168,7,7,168,__PNR_poll,188,7,7,168,168,167,167,__PNR_poll,168,168
+ppoll,268,309,271,271,336,73,302,261,265,274,274,281,281,73,302,302
+ppoll_time64,269,414,__PNR_ppoll_time64,__PNR_ppoll_time64,414,__PNR_ppoll_time64,414,__PNR_ppoll_time64,414,414,__PNR_ppoll_time64,414,__PNR_ppoll_time64,__PNR_ppoll_time64,414,__PNR_ppoll_time64
+prctl,270,172,157,157,172,167,192,153,153,172,172,171,171,167,172,172
+pread64,271,180,17,17,180,67,200,16,16,108,108,179,179,67,180,180
+preadv,272,333,295,534,361,69,330,289,293,315,315,320,320,69,328,328
+preadv2,273,378,327,546,392,286,361,321,325,347,347,380,380,286,376,376
+prlimit64,274,340,302,302,369,261,338,297,302,321,321,325,325,261,334,334
+process_madvise,275,440,440,440,440,440,440,440,440,440,440,440,440,440,440,440
+process_mrelease,276,448,448,448,448,448,448,448,448,448,448,448,448,448,448,448
+process_vm_readv,277,347,310,539,376,270,345,304,309,330,330,351,351,270,340,340
+process_vm_writev,278,348,311,540,377,271,346,305,310,331,331,352,352,271,341,341
+prof,279,44,__PNR_prof,__PNR_prof,__PNR_prof,__PNR_prof,44,__PNR_prof,__PNR_prof,__PNR_prof,__PNR_prof,44,44,__PNR_prof,__PNR_prof,__PNR_prof
+profil,280,98,__PNR_profil,__PNR_profil,__PNR_profil,__PNR_profil,98,__PNR_profil,__PNR_profil,__PNR_profil,__PNR_profil,98,98,__PNR_profil,__PNR_profil,__PNR_profil
+pselect6,281,308,270,270,335,72,301,260,264,273,273,280,280,72,301,301
+pselect6_time64,282,413,__PNR_pselect6_time64,__PNR_pselect6_time64,413,__PNR_pselect6_time64,413,__PNR_pselect6_time64,413,413,__PNR_pselect6_time64,413,__PNR_pselect6_time64,__PNR_pselect6_time64,413,__PNR_pselect6_time64
+ptrace,283,26,101,521,26,117,26,99,99,26,26,26,26,117,26,26
+putpmsg,284,189,182,182,__PNR_putpmsg,__PNR_putpmsg,209,175,175,__PNR_putpmsg,__PNR_putpmsg,188,188,__PNR_putpmsg,189,189
+pwrite64,285,181,18,18,181,68,201,17,17,109,109,180,180,68,181,181
+pwritev,286,334,296,535,362,70,331,290,294,316,316,321,321,70,329,329
+pwritev2,287,379,328,547,393,287,362,322,326,348,348,381,381,287,377,377
+query_module,288,167,178,__PNR_query_module,__PNR_query_module,__PNR_query_module,187,171,171,__PNR_query_module,__PNR_query_module,166,166,__PNR_query_module,167,167
+quotactl,289,131,179,179,131,60,131,172,172,131,131,131,131,60,131,131
+quotactl_fd,290,443,443,443,443,443,443,443,443,443,443,443,443,443,443,443
+read,291,3,0,0,3,63,3,0,0,3,3,3,3,63,3,3
+readahead,292,225,187,187,225,213,223,179,179,207,207,191,191,213,222,222
+readdir,293,89,__PNR_readdir,__PNR_readdir,__PNR_readdir,__PNR_readdir,89,__PNR_readdir,__PNR_readdir,__PNR_readdir,__PNR_readdir,89,89,__PNR_readdir,89,89
+readlink,294,85,89,89,85,__PNR_readlink,85,87,87,85,85,85,85,__PNR_readlink,85,85
+readlinkat,295,305,267,267,332,78,298,257,261,285,285,296,296,78,298,298
+readv,296,145,19,515,145,65,145,18,18,145,145,145,145,65,145,145
+reboot,297,88,169,169,88,142,88,164,164,88,88,88,88,142,88,88
+recv,298,__PNR_recv,__PNR_recv,__PNR_recv,291,__PNR_recv,175,__PNR_recv,__PNR_recv,98,98,336,336,__PNR_recv,__PNR_recv,__PNR_recv
+recvfrom,299,371,45,517,292,207,176,44,44,123,123,337,337,207,371,371
+recvmmsg,300,337,299,537,365,243,335,294,298,319,319,343,343,243,357,357
+recvmmsg_time64,301,417,__PNR_recvmmsg_time64,__PNR_recvmmsg_time64,417,__PNR_recvmmsg_time64,417,__PNR_recvmmsg_time64,417,417,__PNR_recvmmsg_time64,417,__PNR_recvmmsg_time64,__PNR_recvmmsg_time64,417,__PNR_recvmmsg_time64
+recvmsg,302,372,47,519,297,212,177,46,46,184,184,342,342,212,372,372
+remap_file_pages,303,257,216,216,253,234,251,210,210,227,227,239,239,234,267,267
+removexattr,304,235,197,197,235,14,233,189,189,247,247,218,218,14,233,233
+rename,305,38,82,82,38,__PNR_rename,38,80,80,38,38,38,38,__PNR_rename,38,38
+renameat,306,302,264,264,329,38,295,254,258,282,282,293,293,__PNR_renameat,295,295
+renameat2,307,353,316,316,382,276,351,311,315,337,337,357,357,276,347,347
+request_key,308,287,249,249,310,218,281,240,244,265,265,270,270,218,279,279
+restart_syscall,309,0,219,219,0,128,253,213,214,0,0,0,0,128,7,7
+riscv_flush_icache,310,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,259,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache
+rmdir,311,40,84,84,40,__PNR_rmdir,40,82,82,40,40,40,40,__PNR_rmdir,40,40
+rseq,312,386,334,334,398,293,367,327,331,354,354,387,387,293,383,383
+rtas,313,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,255,255,__PNR_rtas,__PNR_rtas,__PNR_rtas
+rt_sigaction,314,174,13,512,174,134,194,13,13,174,174,173,173,134,174,174
+rt_sigpending,315,176,127,522,176,136,196,125,125,176,176,175,175,136,176,176
+rt_sigprocmask,316,175,14,14,175,135,195,14,14,175,175,174,174,135,175,175
+rt_sigqueueinfo,317,178,129,524,178,138,198,127,127,178,178,177,177,138,178,178
+rt_sigreturn,318,173,15,513,173,139,193,211,211,173,173,172,172,139,173,173
+rt_sigsuspend,319,179,130,130,179,133,199,128,128,179,179,178,178,133,179,179
+rt_sigtimedwait,320,177,128,523,177,137,197,126,126,177,177,176,176,137,177,177
+rt_sigtimedwait_time64,321,421,__PNR_rt_sigtimedwait_time64,__PNR_rt_sigtimedwait_time64,421,__PNR_rt_sigtimedwait_time64,421,__PNR_rt_sigtimedwait_time64,421,421,__PNR_rt_sigtimedwait_time64,421,__PNR_rt_sigtimedwait_time64,__PNR_rt_sigtimedwait_time64,421,__PNR_rt_sigtimedwait_time64
+rt_tgsigqueueinfo,322,335,297,536,363,240,332,291,295,317,317,322,322,240,330,330
+s390_guarded_storage,323,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,378,378
+s390_pci_mmio_read,324,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,353,353
+s390_pci_mmio_write,325,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,352,352
+s390_runtime_instr,326,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,342,342
+s390_sthyi,327,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,380,380
+sched_getaffinity,328,242,204,204,242,123,240,196,196,212,212,223,223,123,240,240
+sched_getattr,329,352,315,315,381,275,350,310,314,335,335,356,356,275,346,346
+sched_getparam,330,155,143,143,155,121,159,140,140,155,155,155,155,121,155,155
+sched_get_priority_max,331,159,146,146,159,125,163,143,143,159,159,159,159,125,159,159
+sched_get_priority_min,332,160,147,147,160,126,164,144,144,160,160,160,160,126,160,160
+sched_getscheduler,333,157,145,145,157,120,161,142,142,157,157,157,157,120,157,157
+sched_rr_get_interval,334,161,148,148,161,127,165,145,145,161,161,161,161,127,161,161
+sched_rr_get_interval_time64,335,423,__PNR_sched_rr_get_interval_time64,__PNR_sched_rr_get_interval_time64,423,__PNR_sched_rr_get_interval_time64,423,__PNR_sched_rr_get_interval_time64,423,423,__PNR_sched_rr_get_interval_time64,423,__PNR_sched_rr_get_interval_time64,__PNR_sched_rr_get_interval_time64,423,__PNR_sched_rr_get_interval_time64
+sched_setaffinity,336,241,203,203,241,122,239,195,195,211,211,222,222,122,239,239
+sched_setattr,337,351,314,314,380,274,349,309,313,334,334,355,355,274,345,345
+sched_setparam,338,154,142,142,154,118,158,139,139,154,154,154,154,118,154,154
+sched_setscheduler,339,156,144,144,156,119,160,141,141,156,156,156,156,119,156,156
+sched_yield,340,158,24,24,158,124,162,23,23,158,158,158,158,124,158,158
+seccomp,341,354,317,317,383,277,352,312,316,338,338,358,358,277,348,348
+security,342,__PNR_security,185,185,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security
+select,343,82,23,23,__PNR_select,__PNR_select,__PNR_select,__PNR_select,__PNR_select,__PNR_select,__PNR_select,82,82,__PNR_select,__PNR_select,142
+semctl,344,394,66,66,300,191,394,64,64,187,187,394,394,191,394,394
+semget,345,393,64,64,299,190,393,62,62,186,186,393,393,190,393,393
+semop,346,__PNR_semop,65,65,298,193,__PNR_semop,63,63,185,185,__PNR_semop,__PNR_semop,193,__PNR_semop,__PNR_semop
+semtimedop,347,__PNR_semtimedop,220,220,312,192,__PNR_semtimedop,214,215,228,228,__PNR_semtimedop,392,192,__PNR_semtimedop,392
+semtimedop_time64,348,420,__PNR_semtimedop_time64,__PNR_semtimedop_time64,420,__PNR_semtimedop_time64,420,__PNR_semtimedop_time64,420,420,__PNR_semtimedop_time64,420,__PNR_semtimedop_time64,__PNR_semtimedop_time64,420,__PNR_semtimedop_time64
+send,349,__PNR_send,__PNR_send,__PNR_send,289,__PNR_send,178,__PNR_send,__PNR_send,58,58,334,334,__PNR_send,__PNR_send,__PNR_send
+sendfile,350,187,40,40,187,71,207,39,39,122,122,186,186,71,187,187
+sendfile64,351,239,__PNR_sendfile64,__PNR_sendfile64,239,__PNR_sendfile64,237,__PNR_sendfile64,219,209,209,226,__PNR_sendfile64,__PNR_sendfile64,223,__PNR_sendfile64
+sendmmsg,352,345,307,538,374,269,343,302,307,329,329,349,349,269,358,358
+sendmsg,353,370,46,518,296,211,179,45,45,183,183,341,341,211,370,370
+sendto,354,369,44,44,290,206,180,43,43,82,82,335,335,206,369,369
+setdomainname,355,121,171,171,121,162,121,166,166,121,121,121,121,162,121,121
+setfsgid,356,139,123,123,139,152,139,121,121,139,139,139,139,152,139,216
+setfsgid32,357,216,__PNR_setfsgid32,__PNR_setfsgid32,216,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,216,__PNR_setfsgid32
+setfsuid,358,138,122,122,138,151,138,120,120,138,138,138,138,151,138,215
+setfsuid32,359,215,__PNR_setfsuid32,__PNR_setfsuid32,215,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,215,__PNR_setfsuid32
+setgid,360,46,106,106,46,144,46,104,104,46,46,46,46,144,46,214
+setgid32,361,214,__PNR_setgid32,__PNR_setgid32,214,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,214,__PNR_setgid32
+setgroups,362,81,116,116,81,159,81,114,114,81,81,81,81,159,81,206
+setgroups32,363,206,__PNR_setgroups32,__PNR_setgroups32,206,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,206,__PNR_setgroups32
+sethostname,364,74,170,170,74,161,74,165,165,74,74,74,74,161,74,74
+setitimer,365,104,38,38,104,103,104,36,36,104,104,104,104,103,104,104
+set_mempolicy,366,276,238,238,321,237,270,229,233,262,262,261,261,237,270,270
+set_mempolicy_home_node,367,450,450,450,450,450,450,450,450,450,450,450,450,450,450,450
+setns,368,346,308,308,375,268,344,303,308,328,328,350,350,268,339,339
+setpgid,369,57,109,109,57,154,57,107,107,57,57,57,57,154,57,57
+setpriority,370,97,141,141,97,140,97,138,138,97,97,97,97,140,97,97
+setregid,371,71,114,114,71,143,71,112,112,71,71,71,71,143,71,204
+setregid32,372,204,__PNR_setregid32,__PNR_setregid32,204,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,204,__PNR_setregid32
+setresgid,373,170,119,119,170,149,190,117,117,170,170,169,169,149,170,210
+setresgid32,374,210,__PNR_setresgid32,__PNR_setresgid32,210,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,210,__PNR_setresgid32
+setresuid,375,164,117,117,164,147,185,115,115,164,164,164,164,147,164,208
+setresuid32,376,208,__PNR_setresuid32,__PNR_setresuid32,208,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,208,__PNR_setresuid32
+setreuid,377,70,113,113,70,145,70,111,111,70,70,70,70,145,70,203
+setreuid32,378,203,__PNR_setreuid32,__PNR_setreuid32,203,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,203,__PNR_setreuid32
+setrlimit,379,75,160,160,75,164,75,155,155,75,75,75,75,164,75,75
+set_robust_list,380,311,273,530,338,99,309,268,272,289,289,300,300,99,304,304
+setsid,381,66,112,112,66,157,66,110,110,66,66,66,66,157,66,66
+setsockopt,382,366,54,541,294,208,181,53,53,181,181,339,339,208,366,366
+set_thread_area,383,243,205,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area,283,242,246,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area
+set_tid_address,384,258,218,218,256,96,252,212,213,237,237,232,232,96,252,252
+settimeofday,385,79,164,164,79,170,79,159,159,79,79,79,79,170,79,79
+set_tls,386,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,983045,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls
+setuid,387,23,105,105,23,146,23,103,103,23,23,23,23,146,23,213
+setuid32,388,213,__PNR_setuid32,__PNR_setuid32,213,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,213,__PNR_setuid32
+setxattr,389,226,188,188,226,5,224,180,180,238,238,209,209,5,224,224
+sgetmask,390,68,__PNR_sgetmask,__PNR_sgetmask,__PNR_sgetmask,__PNR_sgetmask,68,__PNR_sgetmask,__PNR_sgetmask,68,68,68,68,__PNR_sgetmask,__PNR_sgetmask,__PNR_sgetmask
+shmat,391,397,30,30,305,196,397,29,29,192,192,397,397,196,397,397
+shmctl,392,396,31,31,308,195,396,30,30,195,195,396,396,195,396,396
+shmdt,393,398,67,67,306,197,398,65,65,193,193,398,398,197,398,398
+shmget,394,395,29,29,307,194,395,28,28,194,194,395,395,194,395,395
+shutdown,395,373,48,48,293,210,182,47,47,117,117,338,338,210,373,373
+sigaction,396,67,__PNR_sigaction,__PNR_sigaction,67,__PNR_sigaction,67,__PNR_sigaction,__PNR_sigaction,__PNR_sigaction,__PNR_sigaction,67,67,__PNR_sigaction,67,67
+sigaltstack,397,186,131,525,186,132,206,129,129,166,166,185,185,132,186,186
+signal,398,48,__PNR_signal,__PNR_signal,__PNR_signal,__PNR_signal,48,__PNR_signal,__PNR_signal,48,48,48,48,__PNR_signal,48,48
+signalfd,399,321,282,282,349,__PNR_signalfd,317,276,280,302,302,305,305,__PNR_signalfd,316,316
+signalfd4,400,327,289,289,355,74,324,283,287,309,309,313,313,74,322,322
+sigpending,401,73,__PNR_sigpending,__PNR_sigpending,73,__PNR_sigpending,73,__PNR_sigpending,__PNR_sigpending,73,73,73,73,__PNR_sigpending,73,73
+sigprocmask,402,126,__PNR_sigprocmask,__PNR_sigprocmask,126,__PNR_sigprocmask,126,__PNR_sigprocmask,__PNR_sigprocmask,126,126,126,126,__PNR_sigprocmask,126,126
+sigreturn,403,119,__PNR_sigreturn,__PNR_sigreturn,119,__PNR_sigreturn,119,__PNR_sigreturn,__PNR_sigreturn,__PNR_sigreturn,__PNR_sigreturn,119,119,__PNR_sigreturn,119,119
+sigsuspend,404,72,__PNR_sigsuspend,__PNR_sigsuspend,72,__PNR_sigsuspend,72,__PNR_sigsuspend,__PNR_sigsuspend,__PNR_sigsuspend,__PNR_sigsuspend,72,72,__PNR_sigsuspend,72,72
+socket,405,359,41,41,281,198,183,40,40,17,17,326,326,198,359,359
+socketcall,406,102,__PNR_socketcall,__PNR_socketcall,__PNR_socketcall,__PNR_socketcall,102,__PNR_socketcall,__PNR_socketcall,__PNR_socketcall,__PNR_socketcall,102,102,__PNR_socketcall,102,102
+socketpair,407,360,53,53,288,199,184,52,52,56,56,333,333,199,360,360
+splice,408,313,275,275,340,76,304,263,267,291,291,283,283,76,306,306
+spu_create,409,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,279,279,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create
+spu_run,410,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,278,278,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run
+ssetmask,411,69,__PNR_ssetmask,__PNR_ssetmask,__PNR_ssetmask,__PNR_ssetmask,69,__PNR_ssetmask,__PNR_ssetmask,69,69,69,69,__PNR_ssetmask,__PNR_ssetmask,__PNR_ssetmask
+stat,412,106,4,4,106,__PNR_stat,106,4,4,18,18,106,106,__PNR_stat,106,106
+stat64,413,195,__PNR_stat64,__PNR_stat64,195,__PNR_stat64,213,__PNR_stat64,__PNR_stat64,101,101,195,__PNR_stat64,__PNR_stat64,195,__PNR_stat64
+statfs,414,99,137,137,99,43,99,134,134,99,99,99,99,43,99,99
+statfs64,415,268,__PNR_statfs64,__PNR_statfs64,266,__PNR_statfs64,255,__PNR_statfs64,217,298,298,252,252,__PNR_statfs64,265,265
+statx,416,383,332,332,397,291,366,326,330,349,349,383,383,291,379,379
+stime,417,25,__PNR_stime,__PNR_stime,__PNR_stime,__PNR_stime,25,__PNR_stime,__PNR_stime,25,25,25,25,__PNR_stime,25,__PNR_stime
+stty,418,31,__PNR_stty,__PNR_stty,__PNR_stty,__PNR_stty,31,__PNR_stty,__PNR_stty,__PNR_stty,__PNR_stty,31,31,__PNR_stty,__PNR_stty,__PNR_stty
+subpage_prot,419,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,310,310,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot
+swapcontext,420,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,249,249,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext
+swapoff,421,115,168,168,115,225,115,163,163,115,115,115,115,225,115,115
+swapon,422,87,167,167,87,224,87,162,162,87,87,87,87,224,87,87
+switch_endian,423,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,363,363,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian
+symlink,424,83,88,88,83,__PNR_symlink,83,86,86,83,83,83,83,__PNR_symlink,83,83
+symlinkat,425,304,266,266,331,36,297,256,260,284,284,295,295,36,297,297
+sync,426,36,162,162,36,81,36,157,157,36,36,36,36,81,36,36
+sync_file_range,427,314,277,277,__PNR_sync_file_range,84,305,264,268,292,292,__PNR_sync_file_range,__PNR_sync_file_range,84,307,307
+sync_file_range2,428,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,308,308,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2
+syncfs,429,344,306,306,373,267,342,301,306,327,327,348,348,267,338,338
+syscall,430,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,0,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall
+_sysctl,431,149,156,__PNR__sysctl,149,__PNR__sysctl,153,152,152,149,149,149,149,__PNR__sysctl,149,149
+sys_debug_setcontext,432,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,256,256,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext
+sysfs,433,135,139,139,135,__PNR_sysfs,135,136,136,135,135,135,135,__PNR_sysfs,135,135
+sysinfo,434,116,99,99,116,179,116,97,97,116,116,116,116,179,116,116
+syslog,435,103,103,103,103,116,103,101,101,103,103,103,103,116,103,103
+sysmips,436,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,149,199,199,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips
+tee,437,315,276,276,342,77,306,265,269,293,293,284,284,77,308,308
+tgkill,438,270,234,234,268,131,266,225,229,259,259,250,250,131,241,241
+time,439,13,201,201,__PNR_time,__PNR_time,13,__PNR_time,__PNR_time,13,13,13,13,__PNR_time,13,__PNR_time
+timer_create,440,259,222,526,257,107,257,216,220,250,250,240,240,107,254,254
+timer_delete,441,263,226,226,261,111,261,220,224,254,254,244,244,111,258,258
+timerfd,442,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,318,277,281,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,317,317
+timerfd_create,443,322,283,283,350,85,321,280,284,306,306,306,306,85,319,319
+timerfd_gettime,444,326,287,287,354,87,322,281,285,308,308,312,312,87,321,321
+timerfd_gettime64,445,410,__PNR_timerfd_gettime64,__PNR_timerfd_gettime64,410,__PNR_timerfd_gettime64,410,__PNR_timerfd_gettime64,410,410,__PNR_timerfd_gettime64,410,__PNR_timerfd_gettime64,__PNR_timerfd_gettime64,410,__PNR_timerfd_gettime64
+timerfd_settime,446,325,286,286,353,86,323,282,286,307,307,311,311,86,320,320
+timerfd_settime64,447,411,__PNR_timerfd_settime64,__PNR_timerfd_settime64,411,__PNR_timerfd_settime64,411,__PNR_timerfd_settime64,411,411,__PNR_timerfd_settime64,411,__PNR_timerfd_settime64,__PNR_timerfd_settime64,411,__PNR_timerfd_settime64
+timer_getoverrun,448,262,225,225,260,109,260,219,223,253,253,243,243,109,257,257
+timer_gettime,449,261,224,224,259,108,259,218,222,252,252,242,242,108,256,256
+timer_gettime64,450,408,__PNR_timer_gettime64,__PNR_timer_gettime64,408,__PNR_timer_gettime64,408,__PNR_timer_gettime64,408,408,__PNR_timer_gettime64,408,__PNR_timer_gettime64,__PNR_timer_gettime64,408,__PNR_timer_gettime64
+timer_settime,451,260,223,223,258,110,258,217,221,251,251,241,241,110,255,255
+timer_settime64,452,409,__PNR_timer_settime64,__PNR_timer_settime64,409,__PNR_timer_settime64,409,__PNR_timer_settime64,409,409,__PNR_timer_settime64,409,__PNR_timer_settime64,__PNR_timer_settime64,409,__PNR_timer_settime64
+times,453,43,100,100,43,153,43,98,98,43,43,43,43,153,43,43
+tkill,454,238,200,200,238,130,236,192,192,208,208,208,208,130,237,237
+truncate,455,92,76,76,92,45,92,74,74,92,92,92,92,45,92,92
+truncate64,456,193,__PNR_truncate64,__PNR_truncate64,193,__PNR_truncate64,211,__PNR_truncate64,__PNR_truncate64,199,199,193,__PNR_truncate64,__PNR_truncate64,193,__PNR_truncate64
+tuxcall,457,__PNR_tuxcall,184,184,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall,225,225,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall
+ugetrlimit,458,191,__PNR_ugetrlimit,__PNR_ugetrlimit,191,__PNR_ugetrlimit,__PNR_ugetrlimit,__PNR_ugetrlimit,__PNR_ugetrlimit,__PNR_ugetrlimit,__PNR_ugetrlimit,190,190,__PNR_ugetrlimit,191,__PNR_ugetrlimit
+ulimit,459,58,__PNR_ulimit,__PNR_ulimit,__PNR_ulimit,__PNR_ulimit,58,__PNR_ulimit,__PNR_ulimit,__PNR_ulimit,__PNR_ulimit,58,58,__PNR_ulimit,__PNR_ulimit,__PNR_ulimit
+umask,460,60,95,95,60,166,60,93,93,60,60,60,60,166,60,60
+umount,461,22,__PNR_umount,__PNR_umount,__PNR_umount,__PNR_umount,22,__PNR_umount,__PNR_umount,__PNR_umount,__PNR_umount,22,22,__PNR_umount,22,22
+umount2,462,52,166,166,52,39,52,161,161,52,52,52,52,39,52,52
+uname,463,122,63,63,122,160,122,61,61,59,59,122,122,160,122,122
+unlink,464,10,87,87,10,__PNR_unlink,10,85,85,10,10,10,10,__PNR_unlink,10,10
+unlinkat,465,301,263,263,328,35,294,253,257,281,281,292,292,35,294,294
+unshare,466,310,272,272,337,97,303,262,266,288,288,282,282,97,303,303
+uselib,467,86,134,__PNR_uselib,86,__PNR_uselib,86,__PNR_uselib,__PNR_uselib,86,86,86,86,__PNR_uselib,86,86
+userfaultfd,468,374,323,323,388,282,357,317,321,344,344,364,364,282,355,355
+usr26,469,__PNR_usr26,__PNR_usr26,__PNR_usr26,983043,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26
+usr32,470,__PNR_usr32,__PNR_usr32,__PNR_usr32,983044,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32
+ustat,471,62,136,136,62,__PNR_ustat,62,133,133,62,62,62,62,__PNR_ustat,62,62
+utime,472,30,132,132,__PNR_utime,__PNR_utime,30,130,130,30,30,30,30,__PNR_utime,30,30
+utimensat,473,320,280,280,348,88,316,275,279,301,301,304,304,88,315,315
+utimensat_time64,474,412,__PNR_utimensat_time64,__PNR_utimensat_time64,412,__PNR_utimensat_time64,412,__PNR_utimensat_time64,412,412,__PNR_utimensat_time64,412,__PNR_utimensat_time64,__PNR_utimensat_time64,412,__PNR_utimensat_time64
+utimes,475,271,235,235,269,__PNR_utimes,267,226,230,336,336,251,251,__PNR_utimes,313,313
+vfork,476,190,58,58,190,__PNR_vfork,__PNR_vfork,__PNR_vfork,__PNR_vfork,113,113,189,189,__PNR_vfork,190,190
+vhangup,477,111,153,153,111,58,111,150,150,111,111,111,111,58,111,111
+vm86,478,166,__PNR_vm86,__PNR_vm86,__PNR_vm86,__PNR_vm86,113,__PNR_vm86,__PNR_vm86,__PNR_vm86,__PNR_vm86,113,113,__PNR_vm86,__PNR_vm86,__PNR_vm86
+vm86old,479,113,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old
+vmsplice,480,316,278,532,343,75,307,266,270,294,294,285,285,75,309,309
+vserver,481,273,236,__PNR_vserver,313,__PNR_vserver,277,236,240,__PNR_vserver,__PNR_vserver,__PNR_vserver,__PNR_vserver,__PNR_vserver,__PNR_vserver,__PNR_vserver
+wait4,482,114,61,61,114,260,114,59,59,114,114,114,114,260,114,114
+waitid,483,284,247,529,280,95,278,237,241,235,235,272,272,95,281,281
+waitpid,484,7,__PNR_waitpid,__PNR_waitpid,__PNR_waitpid,__PNR_waitpid,7,__PNR_waitpid,__PNR_waitpid,7,7,7,7,__PNR_waitpid,__PNR_waitpid,__PNR_waitpid
+write,485,4,1,1,4,64,4,1,1,4,4,4,4,64,4,4
+writev,486,146,20,516,146,66,146,19,19,146,146,146,146,66,146,146
+%%
+
+static int syscall_get_offset_value(const struct arch_syscall_table *s,
+ int offset)
+{
+ return *(int *)((char *)s + offset);
+}
+
+int syscall_resolve_name(const char *name, int offset)
+{
+ const struct arch_syscall_table *s;
+
+ s = in_word_set(name, strlen(name));
+ if (s == NULL)
+ return __NR_SCMP_ERROR;
+
+ return syscall_get_offset_value(s, offset);
+}
+
+const char *syscall_resolve_num(int num, int offset)
+{
+ unsigned int iter;
+
+ for (iter = 0; iter < sizeof(wordlist)/sizeof(wordlist[0]); iter++) {
+ if (syscall_get_offset_value(&wordlist[iter], offset) == num)
+ return (stringpool + wordlist[iter].name);
+ }
+
+ return NULL;
+}
+
+const struct arch_syscall_def *syscall_iterate(unsigned int spot, int offset)
+{
+ unsigned int iter;
+ /* this is thread-unsafe, only use for testing */
+ static struct arch_syscall_def arch_def;
+
+ arch_def.name = NULL;
+ arch_def.num = __NR_SCMP_ERROR;
+
+ for (iter = 0; iter < sizeof(wordlist)/sizeof(wordlist[0]); iter++) {
+ if (wordlist[iter].index == spot) {
+ arch_def.name = stringpool + wordlist[iter].name;
+ arch_def.num = syscall_get_offset_value(&wordlist[iter],
+ offset);
+ return &arch_def;
+ }
+ }
+
+ return &arch_def;
+}
diff --git a/src/syscalls.perf.c b/src/syscalls.perf.c
new file mode 100644
index 0000000..8681859
--- /dev/null
+++ b/src/syscalls.perf.c
@@ -0,0 +1,3640 @@
+/* ANSI-C code produced by gperf version 3.1 */
+/* Command-line: gperf -m 100 --null-strings --pic -tCEG -T -S1 syscalls.perf */
+/* Computed positions: -k'1-2,4-9,$' */
+
+#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
+ && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
+ && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
+ && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
+ && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
+ && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
+ && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
+ && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
+ && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
+ && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
+ && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
+ && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
+ && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
+ && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
+ && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
+ && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
+ && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
+ && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
+ && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
+ && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
+ && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
+ && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
+ && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
+/* The character set is not based on ISO-646. */
+#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gperf@gnu.org>."
+#endif
+
+#line 1 "syscalls.perf"
+
+/**
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Copyright (c) 2020 Red Hat <gscrivan@redhat.com>
+ * Authors: Paul Moore <paul@paul-moore.com>
+ * Giuseppe Scrivano <gscrivan@redhat.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <seccomp.h>
+#include <string.h>
+#include "syscalls.h"
+
+enum
+ {
+ TOTAL_KEYWORDS = 487,
+ MIN_WORD_LENGTH = 3,
+ MAX_WORD_LENGTH = 28,
+ MIN_HASH_VALUE = 24,
+ MAX_HASH_VALUE = 1874
+ };
+
+/* maximum key range = 1851, duplicates = 0 */
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static unsigned int
+hash (register const char *str, register size_t len)
+{
+ static const unsigned short asso_values[] =
+ {
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 5,
+ 356, 122, 463, 1875, 5, 9, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 7, 334, 124, 574, 12,
+ 10, 7, 7, 6, 194, 11, 355, 312, 91, 36,
+ 171, 36, 68, 159, 14, 5, 7, 317, 244, 473,
+ 218, 330, 8, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875, 1875,
+ 1875, 1875, 1875, 1875, 1875, 1875, 1875
+ };
+ register unsigned int hval = len;
+
+ switch (hval)
+ {
+ default:
+ hval += asso_values[(unsigned char)str[8]];
+ /*FALLTHROUGH*/
+ case 8:
+ hval += asso_values[(unsigned char)str[7]];
+ /*FALLTHROUGH*/
+ case 7:
+ hval += asso_values[(unsigned char)str[6]];
+ /*FALLTHROUGH*/
+ case 6:
+ hval += asso_values[(unsigned char)str[5]];
+ /*FALLTHROUGH*/
+ case 5:
+ hval += asso_values[(unsigned char)str[4]];
+ /*FALLTHROUGH*/
+ case 4:
+ hval += asso_values[(unsigned char)str[3]+1];
+ /*FALLTHROUGH*/
+ case 3:
+ case 2:
+ hval += asso_values[(unsigned char)str[1]];
+ /*FALLTHROUGH*/
+ case 1:
+ hval += asso_values[(unsigned char)str[0]];
+ break;
+ }
+ return hval + asso_values[(unsigned char)str[len - 1]];
+}
+
+struct stringpool_t
+ {
+ char stringpool_str0[sizeof("tee")];
+ char stringpool_str1[sizeof("send")];
+ char stringpool_str2[sizeof("time")];
+ char stringpool_str3[sizeof("rtas")];
+ char stringpool_str4[sizeof("idle")];
+ char stringpool_str5[sizeof("times")];
+ char stringpool_str6[sizeof("read")];
+ char stringpool_str7[sizeof("select")];
+ char stringpool_str8[sizeof("setsid")];
+ char stringpool_str9[sizeof("getsid")];
+ char stringpool_str10[sizeof("setns")];
+ char stringpool_str11[sizeof("getegid")];
+ char stringpool_str12[sizeof("setfsgid")];
+ char stringpool_str13[sizeof("setregid")];
+ char stringpool_str14[sizeof("fchdir")];
+ char stringpool_str15[sizeof("timerfd")];
+ char stringpool_str16[sizeof("setresgid")];
+ char stringpool_str17[sizeof("getresgid")];
+ char stringpool_str18[sizeof("fsync")];
+ char stringpool_str19[sizeof("sendmsg")];
+ char stringpool_str20[sizeof("readdir")];
+ char stringpool_str21[sizeof("timer_settime")];
+ char stringpool_str22[sizeof("timer_gettime")];
+ char stringpool_str23[sizeof("sched_setattr")];
+ char stringpool_str24[sizeof("sched_getattr")];
+ char stringpool_str25[sizeof("timerfd_settime")];
+ char stringpool_str26[sizeof("timerfd_gettime")];
+ char stringpool_str27[sizeof("sched_setscheduler")];
+ char stringpool_str28[sizeof("sched_getscheduler")];
+ char stringpool_str29[sizeof("ipc")];
+ char stringpool_str30[sizeof("timerfd_create")];
+ char stringpool_str31[sizeof("pipe")];
+ char stringpool_str32[sizeof("timer_create")];
+ char stringpool_str33[sizeof("prof")];
+ char stringpool_str34[sizeof("sendto")];
+ char stringpool_str35[sizeof("msync")];
+ char stringpool_str36[sizeof("memfd_secret")];
+ char stringpool_str37[sizeof("sched_setparam")];
+ char stringpool_str38[sizeof("sched_getparam")];
+ char stringpool_str39[sizeof("sendmmsg")];
+ char stringpool_str40[sizeof("memfd_create")];
+ char stringpool_str41[sizeof("rt_sigtimedwait")];
+ char stringpool_str42[sizeof("connect")];
+ char stringpool_str43[sizeof("mount")];
+ char stringpool_str44[sizeof("mincore")];
+ char stringpool_str45[sizeof("close")];
+ char stringpool_str46[sizeof("ioprio_set")];
+ char stringpool_str47[sizeof("ioprio_get")];
+ char stringpool_str48[sizeof("delete_module")];
+ char stringpool_str49[sizeof("pidfd_getfd")];
+ char stringpool_str50[sizeof("reboot")];
+ char stringpool_str51[sizeof("ioperm")];
+ char stringpool_str52[sizeof("sendfile")];
+ char stringpool_str53[sizeof("pselect6")];
+ char stringpool_str54[sizeof("clone")];
+ char stringpool_str55[sizeof("socket")];
+ char stringpool_str56[sizeof("access")];
+ char stringpool_str57[sizeof("mount_setattr")];
+ char stringpool_str58[sizeof("capset")];
+ char stringpool_str59[sizeof("timer_delete")];
+ char stringpool_str60[sizeof("process_madvise")];
+ char stringpool_str61[sizeof("process_mrelease")];
+ char stringpool_str62[sizeof("iopl")];
+ char stringpool_str63[sizeof("sched_rr_get_interval")];
+ char stringpool_str64[sizeof("setrlimit")];
+ char stringpool_str65[sizeof("getrlimit")];
+ char stringpool_str66[sizeof("rseq")];
+ char stringpool_str67[sizeof("open_tree")];
+ char stringpool_str68[sizeof("nice")];
+ char stringpool_str69[sizeof("copy_file_range")];
+ char stringpool_str70[sizeof("stime")];
+ char stringpool_str71[sizeof("ftime")];
+ char stringpool_str72[sizeof("getpid")];
+ char stringpool_str73[sizeof("setpgid")];
+ char stringpool_str74[sizeof("getpgid")];
+ char stringpool_str75[sizeof("semctl")];
+ char stringpool_str76[sizeof("pause")];
+ char stringpool_str77[sizeof("mprotect")];
+ char stringpool_str78[sizeof("semop")];
+ char stringpool_str79[sizeof("truncate")];
+ char stringpool_str80[sizeof("getdents")];
+ char stringpool_str81[sizeof("shmdt")];
+ char stringpool_str82[sizeof("_sysctl")];
+ char stringpool_str83[sizeof("accept")];
+ char stringpool_str84[sizeof("getpmsg")];
+ char stringpool_str85[sizeof("semget")];
+ char stringpool_str86[sizeof("poll")];
+ char stringpool_str87[sizeof("seccomp")];
+ char stringpool_str88[sizeof("setgid")];
+ char stringpool_str89[sizeof("getgid")];
+ char stringpool_str90[sizeof("msgsnd")];
+ char stringpool_str91[sizeof("msgctl")];
+ char stringpool_str92[sizeof("membarrier")];
+ char stringpool_str93[sizeof("fchmod")];
+ char stringpool_str94[sizeof("timer_getoverrun")];
+ char stringpool_str95[sizeof("sched_get_priority_min")];
+ char stringpool_str96[sizeof("rt_sigreturn")];
+ char stringpool_str97[sizeof("epoll_create1")];
+ char stringpool_str98[sizeof("epoll_create")];
+ char stringpool_str99[sizeof("msgget")];
+ char stringpool_str100[sizeof("s390_pci_mmio_write")];
+ char stringpool_str101[sizeof("pivot_root")];
+ char stringpool_str102[sizeof("s390_pci_mmio_read")];
+ char stringpool_str103[sizeof("getppid")];
+ char stringpool_str104[sizeof("migrate_pages")];
+ char stringpool_str105[sizeof("openat")];
+ char stringpool_str106[sizeof("oldstat")];
+ char stringpool_str107[sizeof("profil")];
+ char stringpool_str108[sizeof("fsconfig")];
+ char stringpool_str109[sizeof("oldfstat")];
+ char stringpool_str110[sizeof("setuid")];
+ char stringpool_str111[sizeof("getuid")];
+ char stringpool_str112[sizeof("alarm")];
+ char stringpool_str113[sizeof("vm86")];
+ char stringpool_str114[sizeof("chmod")];
+ char stringpool_str115[sizeof("sched_get_priority_max")];
+ char stringpool_str116[sizeof("signalfd")];
+ char stringpool_str117[sizeof("mmap")];
+ char stringpool_str118[sizeof("faccessat")];
+ char stringpool_str119[sizeof("move_pages")];
+ char stringpool_str120[sizeof("rt_sigpending")];
+ char stringpool_str121[sizeof("cachestat")];
+ char stringpool_str122[sizeof("open")];
+ char stringpool_str123[sizeof("oldlstat")];
+ char stringpool_str124[sizeof("mpx")];
+ char stringpool_str125[sizeof("eventfd")];
+ char stringpool_str126[sizeof("chroot")];
+ char stringpool_str127[sizeof("getpgrp")];
+ char stringpool_str128[sizeof("linkat")];
+ char stringpool_str129[sizeof("stat")];
+ char stringpool_str130[sizeof("epoll_ctl_old")];
+ char stringpool_str131[sizeof("pciconfig_write")];
+ char stringpool_str132[sizeof("pciconfig_iobase")];
+ char stringpool_str133[sizeof("pciconfig_read")];
+ char stringpool_str134[sizeof("statfs")];
+ char stringpool_str135[sizeof("stty")];
+ char stringpool_str136[sizeof("gtty")];
+ char stringpool_str137[sizeof("sysfs")];
+ char stringpool_str138[sizeof("capget")];
+ char stringpool_str139[sizeof("arch_prctl")];
+ char stringpool_str140[sizeof("ppoll")];
+ char stringpool_str141[sizeof("sync")];
+ char stringpool_str142[sizeof("cachectl")];
+ char stringpool_str143[sizeof("signal")];
+ char stringpool_str144[sizeof("gettid")];
+ char stringpool_str145[sizeof("syncfs")];
+ char stringpool_str146[sizeof("fallocate")];
+ char stringpool_str147[sizeof("rt_sigaction")];
+ char stringpool_str148[sizeof("socketpair")];
+ char stringpool_str149[sizeof("geteuid")];
+ char stringpool_str150[sizeof("setfsuid")];
+ char stringpool_str151[sizeof("setreuid")];
+ char stringpool_str152[sizeof("fchmodat")];
+ char stringpool_str153[sizeof("sethostname")];
+ char stringpool_str154[sizeof("setresuid")];
+ char stringpool_str155[sizeof("getresuid")];
+ char stringpool_str156[sizeof("pidfd_send_signal")];
+ char stringpool_str157[sizeof("pidfd_open")];
+ char stringpool_str158[sizeof("rt_sigsuspend")];
+ char stringpool_str159[sizeof("clone3")];
+ char stringpool_str160[sizeof("dup")];
+ char stringpool_str161[sizeof("shmctl")];
+ char stringpool_str162[sizeof("sched_setaffinity")];
+ char stringpool_str163[sizeof("sched_getaffinity")];
+ char stringpool_str164[sizeof("sched_yield")];
+ char stringpool_str165[sizeof("setdomainname")];
+ char stringpool_str166[sizeof("epoll_ctl")];
+ char stringpool_str167[sizeof("shmget")];
+ char stringpool_str168[sizeof("setresgid32")];
+ char stringpool_str169[sizeof("getresgid32")];
+ char stringpool_str170[sizeof("syslog")];
+ char stringpool_str171[sizeof("rmdir")];
+ char stringpool_str172[sizeof("getrandom")];
+ char stringpool_str173[sizeof("mknod")];
+ char stringpool_str174[sizeof("vm86old")];
+ char stringpool_str175[sizeof("pkey_free")];
+ char stringpool_str176[sizeof("mq_getsetattr")];
+ char stringpool_str177[sizeof("fork")];
+ char stringpool_str178[sizeof("close_range")];
+ char stringpool_str179[sizeof("kill")];
+ char stringpool_str180[sizeof("usr26")];
+ char stringpool_str181[sizeof("splice")];
+ char stringpool_str182[sizeof("set_tls")];
+ char stringpool_str183[sizeof("get_tls")];
+ char stringpool_str184[sizeof("io_destroy")];
+ char stringpool_str185[sizeof("acct")];
+ char stringpool_str186[sizeof("setitimer")];
+ char stringpool_str187[sizeof("getitimer")];
+ char stringpool_str188[sizeof("newfstatat")];
+ char stringpool_str189[sizeof("clock_getres")];
+ char stringpool_str190[sizeof("clock_settime")];
+ char stringpool_str191[sizeof("clock_gettime")];
+ char stringpool_str192[sizeof("socketcall")];
+ char stringpool_str193[sizeof("kexec_file_load")];
+ char stringpool_str194[sizeof("mremap")];
+ char stringpool_str195[sizeof("finit_module")];
+ char stringpool_str196[sizeof("rt_sigprocmask")];
+ char stringpool_str197[sizeof("sync_file_range")];
+ char stringpool_str198[sizeof("flistxattr")];
+ char stringpool_str199[sizeof("getrusage")];
+ char stringpool_str200[sizeof("io_pgetevents")];
+ char stringpool_str201[sizeof("execve")];
+ char stringpool_str202[sizeof("setsockopt")];
+ char stringpool_str203[sizeof("getsockopt")];
+ char stringpool_str204[sizeof("readahead")];
+ char stringpool_str205[sizeof("semtimedop")];
+ char stringpool_str206[sizeof("link")];
+ char stringpool_str207[sizeof("getpeername")];
+ char stringpool_str208[sizeof("utime")];
+ char stringpool_str209[sizeof("setxattr")];
+ char stringpool_str210[sizeof("getxattr")];
+ char stringpool_str211[sizeof("utimes")];
+ char stringpool_str212[sizeof("readv")];
+ char stringpool_str213[sizeof("getcwd")];
+ char stringpool_str214[sizeof("fcntl")];
+ char stringpool_str215[sizeof("keyctl")];
+ char stringpool_str216[sizeof("set_tid_address")];
+ char stringpool_str217[sizeof("fsopen")];
+ char stringpool_str218[sizeof("io_uring_enter")];
+ char stringpool_str219[sizeof("io_setup")];
+ char stringpool_str220[sizeof("io_getevents")];
+ char stringpool_str221[sizeof("io_uring_register")];
+ char stringpool_str222[sizeof("lock")];
+ char stringpool_str223[sizeof("_newselect")];
+ char stringpool_str224[sizeof("setfsgid32")];
+ char stringpool_str225[sizeof("setregid32")];
+ char stringpool_str226[sizeof("vserver")];
+ char stringpool_str227[sizeof("tkill")];
+ char stringpool_str228[sizeof("timer_settime64")];
+ char stringpool_str229[sizeof("timer_gettime64")];
+ char stringpool_str230[sizeof("timerfd_settime64")];
+ char stringpool_str231[sizeof("timerfd_gettime64")];
+ char stringpool_str232[sizeof("ioctl")];
+ char stringpool_str233[sizeof("msgrcv")];
+ char stringpool_str234[sizeof("exit")];
+ char stringpool_str235[sizeof("recvmsg")];
+ char stringpool_str236[sizeof("kcmp")];
+ char stringpool_str237[sizeof("set_mempolicy_home_node")];
+ char stringpool_str238[sizeof("sigpending")];
+ char stringpool_str239[sizeof("io_cancel")];
+ char stringpool_str240[sizeof("sched_rr_get_interval_time64")];
+ char stringpool_str241[sizeof("pkey_mprotect")];
+ char stringpool_str242[sizeof("nfsservctl")];
+ char stringpool_str243[sizeof("mknodat")];
+ char stringpool_str244[sizeof("vmsplice")];
+ char stringpool_str245[sizeof("llistxattr")];
+ char stringpool_str246[sizeof("name_to_handle_at")];
+ char stringpool_str247[sizeof("rt_tgsigqueueinfo")];
+ char stringpool_str248[sizeof("rt_sigqueueinfo")];
+ char stringpool_str249[sizeof("fanotify_init")];
+ char stringpool_str250[sizeof("io_uring_setup")];
+ char stringpool_str251[sizeof("rt_sigtimedwait_time64")];
+ char stringpool_str252[sizeof("prctl")];
+ char stringpool_str253[sizeof("spu_create")];
+ char stringpool_str254[sizeof("fsmount")];
+ char stringpool_str255[sizeof("recvmmsg")];
+ char stringpool_str256[sizeof("chdir")];
+ char stringpool_str257[sizeof("ftruncate")];
+ char stringpool_str258[sizeof("setpriority")];
+ char stringpool_str259[sizeof("getpriority")];
+ char stringpool_str260[sizeof("restart_syscall")];
+ char stringpool_str261[sizeof("sysmips")];
+ char stringpool_str262[sizeof("mq_timedsend")];
+ char stringpool_str263[sizeof("putpmsg")];
+ char stringpool_str264[sizeof("fstat")];
+ char stringpool_str265[sizeof("bind")];
+ char stringpool_str266[sizeof("ulimit")];
+ char stringpool_str267[sizeof("sigsuspend")];
+ char stringpool_str268[sizeof("mq_timedreceive")];
+ char stringpool_str269[sizeof("sendfile64")];
+ char stringpool_str270[sizeof("kexec_load")];
+ char stringpool_str271[sizeof("fstatfs")];
+ char stringpool_str272[sizeof("nanosleep")];
+ char stringpool_str273[sizeof("creat")];
+ char stringpool_str274[sizeof("process_vm_readv")];
+ char stringpool_str275[sizeof("process_vm_writev")];
+ char stringpool_str276[sizeof("pselect6_time64")];
+ char stringpool_str277[sizeof("s390_guarded_storage")];
+ char stringpool_str278[sizeof("recvfrom")];
+ char stringpool_str279[sizeof("execveat")];
+ char stringpool_str280[sizeof("tgkill")];
+ char stringpool_str281[sizeof("rename")];
+ char stringpool_str282[sizeof("bpf")];
+ char stringpool_str283[sizeof("lookup_dcookie")];
+ char stringpool_str284[sizeof("faccessat2")];
+ char stringpool_str285[sizeof("unshare")];
+ char stringpool_str286[sizeof("setgroups")];
+ char stringpool_str287[sizeof("getgroups")];
+ char stringpool_str288[sizeof("move_mount")];
+ char stringpool_str289[sizeof("madvise")];
+ char stringpool_str290[sizeof("mbind")];
+ char stringpool_str291[sizeof("uname")];
+ char stringpool_str292[sizeof("s390_runtime_instr")];
+ char stringpool_str293[sizeof("ptrace")];
+ char stringpool_str294[sizeof("truncate64")];
+ char stringpool_str295[sizeof("mq_open")];
+ char stringpool_str296[sizeof("getdents64")];
+ char stringpool_str297[sizeof("lstat")];
+ char stringpool_str298[sizeof("getsockname")];
+ char stringpool_str299[sizeof("s390_sthyi")];
+ char stringpool_str300[sizeof("swapoff")];
+ char stringpool_str301[sizeof("perf_event_open")];
+ char stringpool_str302[sizeof("landlock_add_rule")];
+ char stringpool_str303[sizeof("landlock_restrict_self")];
+ char stringpool_str304[sizeof("landlock_create_ruleset")];
+ char stringpool_str305[sizeof("subpage_prot")];
+ char stringpool_str306[sizeof("create_module")];
+ char stringpool_str307[sizeof("removexattr")];
+ char stringpool_str308[sizeof("sigreturn")];
+ char stringpool_str309[sizeof("sigprocmask")];
+ char stringpool_str310[sizeof("fsetxattr")];
+ char stringpool_str311[sizeof("fgetxattr")];
+ char stringpool_str312[sizeof("olduname")];
+ char stringpool_str313[sizeof("riscv_flush_icache")];
+ char stringpool_str314[sizeof("getcpu")];
+ char stringpool_str315[sizeof("lseek")];
+ char stringpool_str316[sizeof("setresuid32")];
+ char stringpool_str317[sizeof("getresuid32")];
+ char stringpool_str318[sizeof("mkdir")];
+ char stringpool_str319[sizeof("flock")];
+ char stringpool_str320[sizeof("tuxcall")];
+ char stringpool_str321[sizeof("recv")];
+ char stringpool_str322[sizeof("syscall")];
+ char stringpool_str323[sizeof("_llseek")];
+ char stringpool_str324[sizeof("readlinkat")];
+ char stringpool_str325[sizeof("futex_requeue")];
+ char stringpool_str326[sizeof("pkey_alloc")];
+ char stringpool_str327[sizeof("mlock")];
+ char stringpool_str328[sizeof("settimeofday")];
+ char stringpool_str329[sizeof("gettimeofday")];
+ char stringpool_str330[sizeof("statx")];
+ char stringpool_str331[sizeof("chown")];
+ char stringpool_str332[sizeof("futex")];
+ char stringpool_str333[sizeof("listen")];
+ char stringpool_str334[sizeof("cacheflush")];
+ char stringpool_str335[sizeof("renameat")];
+ char stringpool_str336[sizeof("umount")];
+ char stringpool_str337[sizeof("munmap")];
+ char stringpool_str338[sizeof("shmat")];
+ char stringpool_str339[sizeof("ppoll_time64")];
+ char stringpool_str340[sizeof("remap_file_pages")];
+ char stringpool_str341[sizeof("pipe2")];
+ char stringpool_str342[sizeof("lsetxattr")];
+ char stringpool_str343[sizeof("lgetxattr")];
+ char stringpool_str344[sizeof("dup2")];
+ char stringpool_str345[sizeof("listxattr")];
+ char stringpool_str346[sizeof("ugetrlimit")];
+ char stringpool_str347[sizeof("write")];
+ char stringpool_str348[sizeof("utimensat")];
+ char stringpool_str349[sizeof("set_thread_area")];
+ char stringpool_str350[sizeof("get_thread_area")];
+ char stringpool_str351[sizeof("epoll_wait")];
+ char stringpool_str352[sizeof("sync_file_range2")];
+ char stringpool_str353[sizeof("epoll_wait_old")];
+ char stringpool_str354[sizeof("fremovexattr")];
+ char stringpool_str355[sizeof("setfsuid32")];
+ char stringpool_str356[sizeof("setreuid32")];
+ char stringpool_str357[sizeof("mlockall")];
+ char stringpool_str358[sizeof("personality")];
+ char stringpool_str359[sizeof("mkdirat")];
+ char stringpool_str360[sizeof("set_mempolicy")];
+ char stringpool_str361[sizeof("get_mempolicy")];
+ char stringpool_str362[sizeof("futimesat")];
+ char stringpool_str363[sizeof("fchownat")];
+ char stringpool_str364[sizeof("get_kernel_syms")];
+ char stringpool_str365[sizeof("inotify_init1")];
+ char stringpool_str366[sizeof("inotify_init")];
+ char stringpool_str367[sizeof("vfork")];
+ char stringpool_str368[sizeof("fanotify_mark")];
+ char stringpool_str369[sizeof("swapcontext")];
+ char stringpool_str370[sizeof("modify_ldt")];
+ char stringpool_str371[sizeof("getegid32")];
+ char stringpool_str372[sizeof("epoll_pwait")];
+ char stringpool_str373[sizeof("userfaultfd")];
+ char stringpool_str374[sizeof("brk")];
+ char stringpool_str375[sizeof("fchown")];
+ char stringpool_str376[sizeof("semtimedop_time64")];
+ char stringpool_str377[sizeof("ustat")];
+ char stringpool_str378[sizeof("dup3")];
+ char stringpool_str379[sizeof("query_module")];
+ char stringpool_str380[sizeof("init_module")];
+ char stringpool_str381[sizeof("oldolduname")];
+ char stringpool_str382[sizeof("clock_settime64")];
+ char stringpool_str383[sizeof("clock_gettime64")];
+ char stringpool_str384[sizeof("lremovexattr")];
+ char stringpool_str385[sizeof("readlink")];
+ char stringpool_str386[sizeof("clock_getres_time64")];
+ char stringpool_str387[sizeof("vhangup")];
+ char stringpool_str388[sizeof("clock_adjtime")];
+ char stringpool_str389[sizeof("request_key")];
+ char stringpool_str390[sizeof("sysinfo")];
+ char stringpool_str391[sizeof("mmap2")];
+ char stringpool_str392[sizeof("adjtimex")];
+ char stringpool_str393[sizeof("waitid")];
+ char stringpool_str394[sizeof("security")];
+ char stringpool_str395[sizeof("io_pgetevents_time64")];
+ char stringpool_str396[sizeof("mq_notify")];
+ char stringpool_str397[sizeof("clock_nanosleep")];
+ char stringpool_str398[sizeof("umask")];
+ char stringpool_str399[sizeof("openat2")];
+ char stringpool_str400[sizeof("lchown")];
+ char stringpool_str401[sizeof("fdatasync")];
+ char stringpool_str402[sizeof("exit_group")];
+ char stringpool_str403[sizeof("sigaction")];
+ char stringpool_str404[sizeof("fspick")];
+ char stringpool_str405[sizeof("symlinkat")];
+ char stringpool_str406[sizeof("setgroups32")];
+ char stringpool_str407[sizeof("getgroups32")];
+ char stringpool_str408[sizeof("io_submit")];
+ char stringpool_str409[sizeof("waitpid")];
+ char stringpool_str410[sizeof("swapon")];
+ char stringpool_str411[sizeof("arm_sync_file_range")];
+ char stringpool_str412[sizeof("eventfd2")];
+ char stringpool_str413[sizeof("afs_syscall")];
+ char stringpool_str414[sizeof("ftruncate64")];
+ char stringpool_str415[sizeof("quotactl_fd")];
+ char stringpool_str416[sizeof("recvmmsg_time64")];
+ char stringpool_str417[sizeof("mq_timedsend_time64")];
+ char stringpool_str418[sizeof("munlockall")];
+ char stringpool_str419[sizeof("munlock")];
+ char stringpool_str420[sizeof("setgid32")];
+ char stringpool_str421[sizeof("getgid32")];
+ char stringpool_str422[sizeof("mq_timedreceive_time64")];
+ char stringpool_str423[sizeof("inotify_rm_watch")];
+ char stringpool_str424[sizeof("futex_time64")];
+ char stringpool_str425[sizeof("spu_run")];
+ char stringpool_str426[sizeof("fchmodat2")];
+ char stringpool_str427[sizeof("multiplexer")];
+ char stringpool_str428[sizeof("setuid32")];
+ char stringpool_str429[sizeof("getuid32")];
+ char stringpool_str430[sizeof("ssetmask")];
+ char stringpool_str431[sizeof("sgetmask")];
+ char stringpool_str432[sizeof("quotactl")];
+ char stringpool_str433[sizeof("sigaltstack")];
+ char stringpool_str434[sizeof("accept4")];
+ char stringpool_str435[sizeof("preadv")];
+ char stringpool_str436[sizeof("mlock2")];
+ char stringpool_str437[sizeof("futex_wait")];
+ char stringpool_str438[sizeof("symlink")];
+ char stringpool_str439[sizeof("inotify_add_watch")];
+ char stringpool_str440[sizeof("map_shadow_stack")];
+ char stringpool_str441[sizeof("geteuid32")];
+ char stringpool_str442[sizeof("signalfd4")];
+ char stringpool_str443[sizeof("epoll_pwait2")];
+ char stringpool_str444[sizeof("stat64")];
+ char stringpool_str445[sizeof("open_by_handle_at")];
+ char stringpool_str446[sizeof("statfs64")];
+ char stringpool_str447[sizeof("utimensat_time64")];
+ char stringpool_str448[sizeof("writev")];
+ char stringpool_str449[sizeof("set_robust_list")];
+ char stringpool_str450[sizeof("get_robust_list")];
+ char stringpool_str451[sizeof("bdflush")];
+ char stringpool_str452[sizeof("arm_fadvise64_64")];
+ char stringpool_str453[sizeof("fcntl64")];
+ char stringpool_str454[sizeof("switch_endian")];
+ char stringpool_str455[sizeof("clock_nanosleep_time64")];
+ char stringpool_str456[sizeof("shutdown")];
+ char stringpool_str457[sizeof("clock_adjtime64")];
+ char stringpool_str458[sizeof("pwritev")];
+ char stringpool_str459[sizeof("futex_waitv")];
+ char stringpool_str460[sizeof("prlimit64")];
+ char stringpool_str461[sizeof("chown32")];
+ char stringpool_str462[sizeof("add_key")];
+ char stringpool_str463[sizeof("unlinkat")];
+ char stringpool_str464[sizeof("futex_wake")];
+ char stringpool_str465[sizeof("renameat2")];
+ char stringpool_str466[sizeof("umount2")];
+ char stringpool_str467[sizeof("usr32")];
+ char stringpool_str468[sizeof("mq_unlink")];
+ char stringpool_str469[sizeof("uselib")];
+ char stringpool_str470[sizeof("fstat64")];
+ char stringpool_str471[sizeof("fstatfs64")];
+ char stringpool_str472[sizeof("fadvise64")];
+ char stringpool_str473[sizeof("fadvise64_64")];
+ char stringpool_str474[sizeof("fchown32")];
+ char stringpool_str475[sizeof("pread64")];
+ char stringpool_str476[sizeof("sys_debug_setcontext")];
+ char stringpool_str477[sizeof("lstat64")];
+ char stringpool_str478[sizeof("preadv2")];
+ char stringpool_str479[sizeof("unlink")];
+ char stringpool_str480[sizeof("lchown32")];
+ char stringpool_str481[sizeof("fstatat64")];
+ char stringpool_str482[sizeof("breakpoint")];
+ char stringpool_str483[sizeof("break")];
+ char stringpool_str484[sizeof("wait4")];
+ char stringpool_str485[sizeof("pwrite64")];
+ char stringpool_str486[sizeof("pwritev2")];
+ };
+static const struct stringpool_t stringpool_contents =
+ {
+ "tee",
+ "send",
+ "time",
+ "rtas",
+ "idle",
+ "times",
+ "read",
+ "select",
+ "setsid",
+ "getsid",
+ "setns",
+ "getegid",
+ "setfsgid",
+ "setregid",
+ "fchdir",
+ "timerfd",
+ "setresgid",
+ "getresgid",
+ "fsync",
+ "sendmsg",
+ "readdir",
+ "timer_settime",
+ "timer_gettime",
+ "sched_setattr",
+ "sched_getattr",
+ "timerfd_settime",
+ "timerfd_gettime",
+ "sched_setscheduler",
+ "sched_getscheduler",
+ "ipc",
+ "timerfd_create",
+ "pipe",
+ "timer_create",
+ "prof",
+ "sendto",
+ "msync",
+ "memfd_secret",
+ "sched_setparam",
+ "sched_getparam",
+ "sendmmsg",
+ "memfd_create",
+ "rt_sigtimedwait",
+ "connect",
+ "mount",
+ "mincore",
+ "close",
+ "ioprio_set",
+ "ioprio_get",
+ "delete_module",
+ "pidfd_getfd",
+ "reboot",
+ "ioperm",
+ "sendfile",
+ "pselect6",
+ "clone",
+ "socket",
+ "access",
+ "mount_setattr",
+ "capset",
+ "timer_delete",
+ "process_madvise",
+ "process_mrelease",
+ "iopl",
+ "sched_rr_get_interval",
+ "setrlimit",
+ "getrlimit",
+ "rseq",
+ "open_tree",
+ "nice",
+ "copy_file_range",
+ "stime",
+ "ftime",
+ "getpid",
+ "setpgid",
+ "getpgid",
+ "semctl",
+ "pause",
+ "mprotect",
+ "semop",
+ "truncate",
+ "getdents",
+ "shmdt",
+ "_sysctl",
+ "accept",
+ "getpmsg",
+ "semget",
+ "poll",
+ "seccomp",
+ "setgid",
+ "getgid",
+ "msgsnd",
+ "msgctl",
+ "membarrier",
+ "fchmod",
+ "timer_getoverrun",
+ "sched_get_priority_min",
+ "rt_sigreturn",
+ "epoll_create1",
+ "epoll_create",
+ "msgget",
+ "s390_pci_mmio_write",
+ "pivot_root",
+ "s390_pci_mmio_read",
+ "getppid",
+ "migrate_pages",
+ "openat",
+ "oldstat",
+ "profil",
+ "fsconfig",
+ "oldfstat",
+ "setuid",
+ "getuid",
+ "alarm",
+ "vm86",
+ "chmod",
+ "sched_get_priority_max",
+ "signalfd",
+ "mmap",
+ "faccessat",
+ "move_pages",
+ "rt_sigpending",
+ "cachestat",
+ "open",
+ "oldlstat",
+ "mpx",
+ "eventfd",
+ "chroot",
+ "getpgrp",
+ "linkat",
+ "stat",
+ "epoll_ctl_old",
+ "pciconfig_write",
+ "pciconfig_iobase",
+ "pciconfig_read",
+ "statfs",
+ "stty",
+ "gtty",
+ "sysfs",
+ "capget",
+ "arch_prctl",
+ "ppoll",
+ "sync",
+ "cachectl",
+ "signal",
+ "gettid",
+ "syncfs",
+ "fallocate",
+ "rt_sigaction",
+ "socketpair",
+ "geteuid",
+ "setfsuid",
+ "setreuid",
+ "fchmodat",
+ "sethostname",
+ "setresuid",
+ "getresuid",
+ "pidfd_send_signal",
+ "pidfd_open",
+ "rt_sigsuspend",
+ "clone3",
+ "dup",
+ "shmctl",
+ "sched_setaffinity",
+ "sched_getaffinity",
+ "sched_yield",
+ "setdomainname",
+ "epoll_ctl",
+ "shmget",
+ "setresgid32",
+ "getresgid32",
+ "syslog",
+ "rmdir",
+ "getrandom",
+ "mknod",
+ "vm86old",
+ "pkey_free",
+ "mq_getsetattr",
+ "fork",
+ "close_range",
+ "kill",
+ "usr26",
+ "splice",
+ "set_tls",
+ "get_tls",
+ "io_destroy",
+ "acct",
+ "setitimer",
+ "getitimer",
+ "newfstatat",
+ "clock_getres",
+ "clock_settime",
+ "clock_gettime",
+ "socketcall",
+ "kexec_file_load",
+ "mremap",
+ "finit_module",
+ "rt_sigprocmask",
+ "sync_file_range",
+ "flistxattr",
+ "getrusage",
+ "io_pgetevents",
+ "execve",
+ "setsockopt",
+ "getsockopt",
+ "readahead",
+ "semtimedop",
+ "link",
+ "getpeername",
+ "utime",
+ "setxattr",
+ "getxattr",
+ "utimes",
+ "readv",
+ "getcwd",
+ "fcntl",
+ "keyctl",
+ "set_tid_address",
+ "fsopen",
+ "io_uring_enter",
+ "io_setup",
+ "io_getevents",
+ "io_uring_register",
+ "lock",
+ "_newselect",
+ "setfsgid32",
+ "setregid32",
+ "vserver",
+ "tkill",
+ "timer_settime64",
+ "timer_gettime64",
+ "timerfd_settime64",
+ "timerfd_gettime64",
+ "ioctl",
+ "msgrcv",
+ "exit",
+ "recvmsg",
+ "kcmp",
+ "set_mempolicy_home_node",
+ "sigpending",
+ "io_cancel",
+ "sched_rr_get_interval_time64",
+ "pkey_mprotect",
+ "nfsservctl",
+ "mknodat",
+ "vmsplice",
+ "llistxattr",
+ "name_to_handle_at",
+ "rt_tgsigqueueinfo",
+ "rt_sigqueueinfo",
+ "fanotify_init",
+ "io_uring_setup",
+ "rt_sigtimedwait_time64",
+ "prctl",
+ "spu_create",
+ "fsmount",
+ "recvmmsg",
+ "chdir",
+ "ftruncate",
+ "setpriority",
+ "getpriority",
+ "restart_syscall",
+ "sysmips",
+ "mq_timedsend",
+ "putpmsg",
+ "fstat",
+ "bind",
+ "ulimit",
+ "sigsuspend",
+ "mq_timedreceive",
+ "sendfile64",
+ "kexec_load",
+ "fstatfs",
+ "nanosleep",
+ "creat",
+ "process_vm_readv",
+ "process_vm_writev",
+ "pselect6_time64",
+ "s390_guarded_storage",
+ "recvfrom",
+ "execveat",
+ "tgkill",
+ "rename",
+ "bpf",
+ "lookup_dcookie",
+ "faccessat2",
+ "unshare",
+ "setgroups",
+ "getgroups",
+ "move_mount",
+ "madvise",
+ "mbind",
+ "uname",
+ "s390_runtime_instr",
+ "ptrace",
+ "truncate64",
+ "mq_open",
+ "getdents64",
+ "lstat",
+ "getsockname",
+ "s390_sthyi",
+ "swapoff",
+ "perf_event_open",
+ "landlock_add_rule",
+ "landlock_restrict_self",
+ "landlock_create_ruleset",
+ "subpage_prot",
+ "create_module",
+ "removexattr",
+ "sigreturn",
+ "sigprocmask",
+ "fsetxattr",
+ "fgetxattr",
+ "olduname",
+ "riscv_flush_icache",
+ "getcpu",
+ "lseek",
+ "setresuid32",
+ "getresuid32",
+ "mkdir",
+ "flock",
+ "tuxcall",
+ "recv",
+ "syscall",
+ "_llseek",
+ "readlinkat",
+ "futex_requeue",
+ "pkey_alloc",
+ "mlock",
+ "settimeofday",
+ "gettimeofday",
+ "statx",
+ "chown",
+ "futex",
+ "listen",
+ "cacheflush",
+ "renameat",
+ "umount",
+ "munmap",
+ "shmat",
+ "ppoll_time64",
+ "remap_file_pages",
+ "pipe2",
+ "lsetxattr",
+ "lgetxattr",
+ "dup2",
+ "listxattr",
+ "ugetrlimit",
+ "write",
+ "utimensat",
+ "set_thread_area",
+ "get_thread_area",
+ "epoll_wait",
+ "sync_file_range2",
+ "epoll_wait_old",
+ "fremovexattr",
+ "setfsuid32",
+ "setreuid32",
+ "mlockall",
+ "personality",
+ "mkdirat",
+ "set_mempolicy",
+ "get_mempolicy",
+ "futimesat",
+ "fchownat",
+ "get_kernel_syms",
+ "inotify_init1",
+ "inotify_init",
+ "vfork",
+ "fanotify_mark",
+ "swapcontext",
+ "modify_ldt",
+ "getegid32",
+ "epoll_pwait",
+ "userfaultfd",
+ "brk",
+ "fchown",
+ "semtimedop_time64",
+ "ustat",
+ "dup3",
+ "query_module",
+ "init_module",
+ "oldolduname",
+ "clock_settime64",
+ "clock_gettime64",
+ "lremovexattr",
+ "readlink",
+ "clock_getres_time64",
+ "vhangup",
+ "clock_adjtime",
+ "request_key",
+ "sysinfo",
+ "mmap2",
+ "adjtimex",
+ "waitid",
+ "security",
+ "io_pgetevents_time64",
+ "mq_notify",
+ "clock_nanosleep",
+ "umask",
+ "openat2",
+ "lchown",
+ "fdatasync",
+ "exit_group",
+ "sigaction",
+ "fspick",
+ "symlinkat",
+ "setgroups32",
+ "getgroups32",
+ "io_submit",
+ "waitpid",
+ "swapon",
+ "arm_sync_file_range",
+ "eventfd2",
+ "afs_syscall",
+ "ftruncate64",
+ "quotactl_fd",
+ "recvmmsg_time64",
+ "mq_timedsend_time64",
+ "munlockall",
+ "munlock",
+ "setgid32",
+ "getgid32",
+ "mq_timedreceive_time64",
+ "inotify_rm_watch",
+ "futex_time64",
+ "spu_run",
+ "fchmodat2",
+ "multiplexer",
+ "setuid32",
+ "getuid32",
+ "ssetmask",
+ "sgetmask",
+ "quotactl",
+ "sigaltstack",
+ "accept4",
+ "preadv",
+ "mlock2",
+ "futex_wait",
+ "symlink",
+ "inotify_add_watch",
+ "map_shadow_stack",
+ "geteuid32",
+ "signalfd4",
+ "epoll_pwait2",
+ "stat64",
+ "open_by_handle_at",
+ "statfs64",
+ "utimensat_time64",
+ "writev",
+ "set_robust_list",
+ "get_robust_list",
+ "bdflush",
+ "arm_fadvise64_64",
+ "fcntl64",
+ "switch_endian",
+ "clock_nanosleep_time64",
+ "shutdown",
+ "clock_adjtime64",
+ "pwritev",
+ "futex_waitv",
+ "prlimit64",
+ "chown32",
+ "add_key",
+ "unlinkat",
+ "futex_wake",
+ "renameat2",
+ "umount2",
+ "usr32",
+ "mq_unlink",
+ "uselib",
+ "fstat64",
+ "fstatfs64",
+ "fadvise64",
+ "fadvise64_64",
+ "fchown32",
+ "pread64",
+ "sys_debug_setcontext",
+ "lstat64",
+ "preadv2",
+ "unlink",
+ "lchown32",
+ "fstatat64",
+ "breakpoint",
+ "break",
+ "wait4",
+ "pwrite64",
+ "pwritev2"
+ };
+#define stringpool ((const char *) &stringpool_contents)
+
+static const struct arch_syscall_table wordlist[] =
+ {
+#line 468 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str0,437,315,276,276,342,77,306,265,269,293,293,284,284,77,308,308},
+#line 380 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str1,349,__PNR_send,__PNR_send,__PNR_send,289,__PNR_send,178,__PNR_send,__PNR_send,58,58,334,334,__PNR_send,__PNR_send,__PNR_send},
+#line 470 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str2,439,13,201,201,__PNR_time,__PNR_time,13,__PNR_time,__PNR_time,13,13,13,13,__PNR_time,13,__PNR_time},
+#line 344 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str3,313,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,__PNR_rtas,255,255,__PNR_rtas,__PNR_rtas,__PNR_rtas},
+#line 179 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str4,148,112,__PNR_idle,__PNR_idle,__PNR_idle,__PNR_idle,112,__PNR_idle,__PNR_idle,__PNR_idle,__PNR_idle,112,112,__PNR_idle,112,112},
+#line 484 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str5,453,43,100,100,43,153,43,98,98,43,43,43,43,153,43,43},
+#line 322 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str6,291,3,0,0,3,63,3,0,0,3,3,3,3,63,3,3},
+#line 374 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str7,343,82,23,23,__PNR_select,__PNR_select,__PNR_select,__PNR_select,__PNR_select,__PNR_select,__PNR_select,82,82,__PNR_select,__PNR_select,142},
+#line 412 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str8,381,66,112,112,66,157,66,110,110,66,66,66,66,157,66,66},
+#line 168 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str9,137,147,124,124,147,156,151,122,122,147,147,147,147,156,147,147},
+#line 399 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str10,368,346,308,308,375,268,344,303,308,328,328,350,350,268,339,339},
+#line 142 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str11,111,50,108,108,50,177,50,106,106,50,50,50,50,177,50,202},
+#line 387 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str12,356,139,123,123,139,152,139,121,121,139,139,139,139,152,139,216},
+#line 402 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str13,371,71,114,114,71,143,71,112,112,71,71,71,71,143,71,204},
+#line 101 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str14,70,133,81,81,133,50,133,79,79,133,133,133,133,50,133,133},
+#line 473 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str15,442,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,318,277,281,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,__PNR_timerfd,317,317},
+#line 404 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str16,373,170,119,119,170,149,190,117,117,170,170,169,169,149,170,210},
+#line 161 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str17,130,171,120,120,171,150,191,118,118,171,171,170,170,150,171,211},
+#line 127 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str18,96,118,74,74,118,82,118,72,72,118,118,118,118,82,118,118},
+#line 384 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str19,353,370,46,518,296,211,179,45,45,183,183,341,341,211,370,370},
+#line 324 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str20,293,89,__PNR_readdir,__PNR_readdir,__PNR_readdir,__PNR_readdir,89,__PNR_readdir,__PNR_readdir,__PNR_readdir,__PNR_readdir,89,89,__PNR_readdir,89,89},
+#line 482 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str21,451,260,223,223,258,110,258,217,221,251,251,241,241,110,255,255},
+#line 480 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str22,449,261,224,224,259,108,259,218,222,252,252,242,242,108,256,256},
+#line 368 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str23,337,351,314,314,380,274,349,309,313,334,334,355,355,274,345,345},
+#line 360 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str24,329,352,315,315,381,275,350,310,314,335,335,356,356,275,346,346},
+#line 477 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str25,446,325,286,286,353,86,323,282,286,307,307,311,311,86,320,320},
+#line 475 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str26,444,326,287,287,354,87,322,281,285,308,308,312,312,87,321,321},
+#line 370 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str27,339,156,144,144,156,119,160,141,141,156,156,156,156,119,156,156},
+#line 364 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str28,333,157,145,145,157,120,161,142,142,157,157,157,157,120,157,157},
+#line 200 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str29,169,117,__PNR_ipc,__PNR_ipc,__PNR_ipc,__PNR_ipc,117,__PNR_ipc,__PNR_ipc,__PNR_ipc,__PNR_ipc,117,117,__PNR_ipc,117,117},
+#line 474 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str30,443,322,283,283,350,85,321,280,284,306,306,306,306,85,319,319},
+#line 292 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str31,261,42,22,22,42,__PNR_pipe,42,21,21,42,42,42,42,__PNR_pipe,42,42},
+#line 471 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str32,440,259,222,526,257,107,257,216,220,250,250,240,240,107,254,254},
+#line 310 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str33,279,44,__PNR_prof,__PNR_prof,__PNR_prof,__PNR_prof,44,__PNR_prof,__PNR_prof,__PNR_prof,__PNR_prof,44,44,__PNR_prof,__PNR_prof,__PNR_prof},
+#line 385 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str34,354,369,44,44,290,206,180,43,43,82,82,335,335,206,369,369},
+#line 262 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str35,231,144,26,26,144,227,144,25,25,144,144,144,144,227,144,144},
+#line 230 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str36,199,447,447,447,__PNR_memfd_secret,447,__PNR_memfd_secret,__PNR_memfd_secret,__PNR_memfd_secret,__PNR_memfd_secret,__PNR_memfd_secret,__PNR_memfd_secret,__PNR_memfd_secret,447,447,447},
+#line 369 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str37,338,154,142,142,154,118,158,139,139,154,154,154,154,118,154,154},
+#line 361 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str38,330,155,143,143,155,121,159,140,140,155,155,155,155,121,155,155},
+#line 383 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str39,352,345,307,538,374,269,343,302,307,329,329,349,349,269,358,358},
+#line 229 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str40,198,356,319,319,385,279,354,314,318,340,340,360,360,279,350,350},
+#line 351 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str41,320,177,128,523,177,137,197,126,126,177,177,176,176,137,177,177},
+#line 72 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str42,41,362,42,42,283,203,170,41,41,31,31,328,328,203,362,362},
+#line 243 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str43,212,21,165,165,21,40,21,160,160,21,21,21,21,40,21,21},
+#line 232 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str44,201,218,27,27,219,232,217,26,26,72,72,206,206,232,218,218},
+#line 70 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str45,39,6,3,3,6,57,6,3,3,6,6,6,6,57,6,6},
+#line 194 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str46,163,289,251,251,314,30,314,273,277,267,267,273,273,30,282,282},
+#line 193 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str47,162,290,252,252,315,31,315,274,278,268,268,274,274,31,283,283},
+#line 76 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str48,45,129,176,176,129,106,129,169,169,129,129,129,129,106,129,129},
+#line 289 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str49,258,438,438,438,438,438,438,438,438,438,438,438,438,438,438,438},
+#line 328 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str50,297,88,169,169,88,142,88,164,164,88,88,88,88,142,88,88},
+#line 189 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str51,158,101,173,173,__PNR_ioperm,__PNR_ioperm,101,__PNR_ioperm,__PNR_ioperm,__PNR_ioperm,__PNR_ioperm,101,101,__PNR_ioperm,101,__PNR_ioperm},
+#line 381 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str52,350,187,40,40,187,71,207,39,39,122,122,186,186,71,187,187},
+#line 312 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str53,281,308,270,270,335,72,301,260,264,273,273,280,280,72,301,301},
+#line 68 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str54,37,120,56,56,120,220,120,55,55,120,120,120,120,220,120,120},
+#line 436 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str55,405,359,41,41,281,198,183,40,40,17,17,326,326,198,359,359},
+#line 33 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str56,2,33,21,21,33,__PNR_access,33,20,20,33,33,33,33,__PNR_access,33,33},
+#line 244 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str57,213,442,442,442,442,442,442,442,442,442,442,442,442,442,442,442},
+#line 52 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str58,21,185,126,126,185,91,205,124,124,107,107,184,184,91,185,185},
+#line 472 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str59,441,263,226,226,261,111,261,220,224,254,254,244,244,111,258,258},
+#line 306 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str60,275,440,440,440,440,440,440,440,440,440,440,440,440,440,440,440},
+#line 307 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str61,276,448,448,448,448,448,448,448,448,448,448,448,448,448,448,448},
+#line 192 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str62,161,110,172,172,__PNR_iopl,__PNR_iopl,110,__PNR_iopl,__PNR_iopl,__PNR_iopl,__PNR_iopl,110,110,__PNR_iopl,__PNR_iopl,__PNR_iopl},
+#line 365 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str63,334,161,148,148,161,127,165,145,145,161,161,161,161,127,161,161},
+#line 410 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str64,379,75,160,160,75,164,75,155,155,75,75,75,75,164,75,75},
+#line 165 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str65,134,76,97,97,__PNR_getrlimit,163,76,95,95,76,76,76,76,163,76,191},
+#line 343 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str66,312,386,334,334,398,293,367,327,331,354,354,387,387,293,383,383},
+#line 282 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str67,251,428,428,428,428,428,428,428,428,428,428,428,428,428,428,428},
+#line 272 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str68,241,34,__PNR_nice,__PNR_nice,34,__PNR_nice,34,__PNR_nice,__PNR_nice,34,34,34,34,__PNR_nice,34,34},
+#line 73 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str69,42,377,326,326,391,285,360,320,324,346,346,379,379,285,375,375},
+#line 448 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str70,417,25,__PNR_stime,__PNR_stime,__PNR_stime,__PNR_stime,25,__PNR_stime,__PNR_stime,25,25,25,25,__PNR_stime,25,__PNR_stime},
+#line 128 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str71,97,35,__PNR_ftime,__PNR_ftime,__PNR_ftime,__PNR_ftime,35,__PNR_ftime,__PNR_ftime,__PNR_ftime,__PNR_ftime,35,35,__PNR_ftime,__PNR_ftime,__PNR_ftime},
+#line 156 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str72,125,20,39,39,20,172,20,38,38,20,20,20,20,172,20,20},
+#line 400 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str73,369,57,109,109,57,154,57,107,107,57,57,57,57,154,57,57},
+#line 154 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str74,123,132,121,121,132,155,132,119,119,132,132,132,132,155,132,132},
+#line 375 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str75,344,394,66,66,300,191,394,64,64,187,187,394,394,191,394,394},
+#line 283 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str76,252,29,34,34,29,__PNR_pause,29,33,33,29,29,29,29,__PNR_pause,29,29},
+#line 247 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str77,216,125,10,10,125,226,125,10,10,125,125,125,125,226,125,125},
+#line 377 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str78,346,__PNR_semop,65,65,298,193,__PNR_semop,63,63,185,185,__PNR_semop,__PNR_semop,193,__PNR_semop,__PNR_semop},
+#line 486 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str79,455,92,76,76,92,45,92,74,74,92,92,92,92,45,92,92},
+#line 140 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str80,109,141,78,78,141,__PNR_getdents,141,76,76,141,141,141,141,__PNR_getdents,141,141},
+#line 424 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str81,393,398,67,67,306,197,398,65,65,193,193,398,398,197,398,398},
+#line 462 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str82,431,149,156,__PNR__sysctl,149,__PNR__sysctl,153,152,152,149,149,149,149,__PNR__sysctl,149,149},
+#line 31 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str83,0,__PNR_accept,43,43,285,202,168,42,42,35,35,330,330,202,__PNR_accept,__PNR_accept},
+#line 157 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str84,126,188,181,181,__PNR_getpmsg,__PNR_getpmsg,208,174,174,__PNR_getpmsg,__PNR_getpmsg,187,187,__PNR_getpmsg,188,188},
+#line 376 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str85,345,393,64,64,299,190,393,62,62,186,186,393,393,190,393,393},
+#line 298 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str86,267,168,7,7,168,__PNR_poll,188,7,7,168,168,167,167,__PNR_poll,168,168},
+#line 372 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str87,341,354,317,317,383,277,352,312,316,338,338,358,358,277,348,348},
+#line 391 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str88,360,46,106,106,46,144,46,104,104,46,46,46,46,144,46,214},
+#line 146 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str89,115,47,104,104,47,176,47,102,102,47,47,47,47,176,47,200},
+#line 261 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str90,230,400,69,69,301,189,400,67,67,188,188,400,400,189,400,400},
+#line 258 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str91,227,402,71,71,304,187,402,69,69,191,191,402,402,187,402,402},
+#line 228 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str92,197,375,324,324,389,283,358,318,322,343,343,365,365,283,356,356},
+#line 102 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str93,71,94,91,91,94,52,94,89,89,94,94,94,94,52,94,94},
+#line 479 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str94,448,262,225,225,260,109,260,219,223,253,253,243,243,109,257,257},
+#line 363 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str95,332,160,147,147,160,126,164,144,144,160,160,160,160,126,160,160},
+#line 349 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str96,318,173,15,513,173,139,193,211,211,173,173,172,172,139,173,173},
+#line 81 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str97,50,329,291,291,357,20,326,285,289,311,311,315,315,20,327,327},
+#line 80 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str98,49,254,213,213,250,__PNR_epoll_create,248,207,207,224,224,236,236,__PNR_epoll_create,249,249},
+#line 259 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str99,228,399,68,68,303,186,399,66,66,190,190,399,399,186,399,399},
+#line 356 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str100,325,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,__PNR_s390_pci_mmio_write,352,352},
+#line 294 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str101,263,217,155,155,218,41,216,151,151,67,67,203,203,41,217,217},
+#line 355 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str102,324,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,__PNR_s390_pci_mmio_read,353,353},
+#line 158 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str103,127,64,110,110,64,173,64,108,108,64,64,64,64,173,64,64},
+#line 231 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str104,200,294,256,256,400,238,287,246,250,272,272,258,258,238,287,287},
+#line 279 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str105,248,295,257,257,322,56,288,247,251,275,275,286,286,56,288,288},
+#line 276 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str106,245,18,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat,18,18,__PNR_oldstat,__PNR_oldstat,__PNR_oldstat},
+#line 311 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str107,280,98,__PNR_profil,__PNR_profil,__PNR_profil,__PNR_profil,98,__PNR_profil,__PNR_profil,__PNR_profil,__PNR_profil,98,98,__PNR_profil,__PNR_profil,__PNR_profil},
+#line 117 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str108,86,431,431,431,431,431,431,431,431,431,431,431,431,431,431,431},
+#line 273 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str109,242,28,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat,28,28,__PNR_oldfstat,__PNR_oldfstat,__PNR_oldfstat},
+#line 418 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str110,387,23,105,105,23,146,23,103,103,23,23,23,23,146,23,213},
+#line 175 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str111,144,24,102,102,24,174,24,100,100,24,24,24,24,174,24,199},
+#line 38 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str112,7,27,37,37,__PNR_alarm,__PNR_alarm,27,37,37,27,27,27,27,__PNR_alarm,27,27},
+#line 509 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str113,478,166,__PNR_vm86,__PNR_vm86,__PNR_vm86,__PNR_vm86,113,__PNR_vm86,__PNR_vm86,__PNR_vm86,__PNR_vm86,113,113,__PNR_vm86,__PNR_vm86,__PNR_vm86},
+#line 54 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str114,23,15,90,90,15,__PNR_chmod,15,88,88,15,15,15,15,__PNR_chmod,15,15},
+#line 362 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str115,331,159,146,146,159,125,163,143,143,159,159,159,159,125,159,159},
+#line 430 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str116,399,321,282,282,349,__PNR_signalfd,317,276,280,302,302,305,305,__PNR_signalfd,316,316},
+#line 240 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str117,209,90,9,9,__PNR_mmap,222,90,9,9,90,90,90,90,222,90,90},
+#line 94 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str118,63,307,269,269,334,48,300,259,263,287,287,298,298,48,300,300},
+#line 246 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str119,215,317,279,533,344,239,308,267,271,295,295,301,301,239,310,310},
+#line 346 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str120,315,176,127,522,176,136,196,125,125,176,176,175,175,136,176,176},
+#line 50 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str121,19,451,451,451,451,451,451,451,451,451,451,451,451,451,451,451},
+#line 278 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str122,247,5,2,2,5,__PNR_open,5,2,2,5,5,5,5,__PNR_open,5,5},
+#line 274 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str123,243,84,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat,84,84,__PNR_oldlstat,__PNR_oldlstat,__PNR_oldlstat},
+#line 248 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str124,217,56,__PNR_mpx,__PNR_mpx,__PNR_mpx,__PNR_mpx,56,__PNR_mpx,__PNR_mpx,__PNR_mpx,__PNR_mpx,56,56,__PNR_mpx,__PNR_mpx,__PNR_mpx},
+#line 88 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str125,57,323,284,284,351,__PNR_eventfd,319,278,282,304,304,307,307,__PNR_eventfd,318,318},
+#line 57 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str126,26,61,161,161,61,51,61,156,156,61,61,61,61,51,61,61},
+#line 155 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str127,124,65,111,111,65,__PNR_getpgrp,65,109,109,65,65,65,65,__PNR_getpgrp,65,65},
+#line 213 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str128,182,303,265,265,330,37,296,255,259,283,283,294,294,37,296,296},
+#line 443 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str129,412,106,4,4,106,__PNR_stat,106,4,4,18,18,106,106,__PNR_stat,106,106},
+#line 83 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str130,52,__PNR_epoll_ctl_old,214,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old,__PNR_epoll_ctl_old},
+#line 286 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str131,255,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write,273,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write,199,199,__PNR_pciconfig_write,__PNR_pciconfig_write,__PNR_pciconfig_write},
+#line 284 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str132,253,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,271,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,200,200,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase,__PNR_pciconfig_iobase},
+#line 285 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str133,254,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read,272,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read,198,198,__PNR_pciconfig_read,__PNR_pciconfig_read,__PNR_pciconfig_read},
+#line 445 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str134,414,99,137,137,99,43,99,134,134,99,99,99,99,43,99,99},
+#line 449 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str135,418,31,__PNR_stty,__PNR_stty,__PNR_stty,__PNR_stty,31,__PNR_stty,__PNR_stty,__PNR_stty,__PNR_stty,31,31,__PNR_stty,__PNR_stty,__PNR_stty},
+#line 178 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str136,147,32,__PNR_gtty,__PNR_gtty,__PNR_gtty,__PNR_gtty,32,__PNR_gtty,__PNR_gtty,__PNR_gtty,__PNR_gtty,32,32,__PNR_gtty,__PNR_gtty,__PNR_gtty},
+#line 464 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str137,433,135,139,139,135,__PNR_sysfs,135,136,136,135,135,135,135,__PNR_sysfs,135,135},
+#line 51 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str138,20,184,125,125,184,90,204,123,123,106,106,183,183,90,184,184},
+#line 39 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str139,8,384,158,158,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl,__PNR_arch_prctl},
+#line 299 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str140,268,309,271,271,336,73,302,261,265,274,274,281,281,73,302,302},
+#line 457 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str141,426,36,162,162,36,81,36,157,157,36,36,36,36,81,36,36},
+#line 48 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str142,17,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,148,198,198,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl,__PNR_cachectl},
+#line 429 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str143,398,48,__PNR_signal,__PNR_signal,__PNR_signal,__PNR_signal,48,__PNR_signal,__PNR_signal,48,48,48,48,__PNR_signal,48,48},
+#line 172 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str144,141,224,186,186,224,178,222,178,178,206,206,207,207,178,236,236},
+#line 460 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str145,429,344,306,306,373,267,342,301,306,327,327,348,348,267,338,338},
+#line 98 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str146,67,324,285,285,352,47,320,279,283,305,305,309,309,47,314,314},
+#line 345 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str147,314,174,13,512,174,134,194,13,13,174,174,173,173,134,174,174},
+#line 438 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str148,407,360,53,53,288,199,184,52,52,56,56,333,333,199,360,360},
+#line 144 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str149,113,49,107,107,49,175,49,105,105,49,49,49,49,175,49,201},
+#line 389 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str150,358,138,122,122,138,151,138,120,120,138,138,138,138,151,138,215},
+#line 408 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str151,377,70,113,113,70,145,70,111,111,70,70,70,70,145,70,203},
+#line 103 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str152,72,306,268,268,333,53,299,258,262,286,286,297,297,53,299,299},
+#line 395 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str153,364,74,170,170,74,161,74,165,165,74,74,74,74,161,74,74},
+#line 406 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str154,375,164,117,117,164,147,185,115,115,164,164,164,164,147,164,208},
+#line 163 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str155,132,165,118,118,165,148,186,116,116,165,165,165,165,148,165,209},
+#line 291 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str156,260,424,424,424,424,424,424,424,424,424,424,424,424,424,424,424},
+#line 290 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str157,259,434,434,434,434,434,434,434,434,434,434,434,434,434,434,434},
+#line 350 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str158,319,179,130,130,179,133,199,128,128,179,179,178,178,133,179,179},
+#line 69 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str159,38,435,435,435,435,435,435,435,435,435,435,435,435,435,435,435},
+#line 77 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str160,46,41,32,32,41,23,41,31,31,41,41,41,41,23,41,41},
+#line 423 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str161,392,396,31,31,308,195,396,30,30,195,195,396,396,195,396,396},
+#line 367 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str162,336,241,203,203,241,122,239,195,195,211,211,222,222,122,239,239},
+#line 359 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str163,328,242,204,204,242,123,240,196,196,212,212,223,223,123,240,240},
+#line 371 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str164,340,158,24,24,158,124,162,23,23,158,158,158,158,124,158,158},
+#line 386 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str165,355,121,171,171,121,162,121,166,166,121,121,121,121,162,121,121},
+#line 82 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str166,51,255,233,233,251,21,249,208,208,225,225,237,237,21,250,250},
+#line 425 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str167,394,395,29,29,307,194,395,28,28,194,194,395,395,194,395,395},
+#line 405 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str168,374,210,__PNR_setresgid32,__PNR_setresgid32,210,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,__PNR_setresgid32,210,__PNR_setresgid32},
+#line 162 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str169,131,211,__PNR_getresgid32,__PNR_getresgid32,211,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,__PNR_getresgid32,211,__PNR_getresgid32},
+#line 466 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str170,435,103,103,103,103,116,103,101,101,103,103,103,103,116,103,103},
+#line 342 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str171,311,40,84,84,40,__PNR_rmdir,40,82,82,40,40,40,40,__PNR_rmdir,40,40},
+#line 160 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str172,129,355,318,318,384,278,353,313,317,339,339,359,359,278,349,349},
+#line 235 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str173,204,14,133,133,14,__PNR_mknod,14,131,131,14,14,14,14,__PNR_mknod,14,14},
+#line 510 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str174,479,113,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old,__PNR_vm86old},
+#line 296 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str175,265,382,331,331,396,290,365,325,329,353,353,385,385,290,386,386},
+#line 249 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str176,218,282,245,245,279,185,276,235,239,234,234,267,267,185,276,276},
+#line 115 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str177,84,2,57,57,2,__PNR_fork,2,56,56,2,2,2,2,__PNR_fork,2,2},
+#line 71 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str178,40,436,436,436,436,436,436,436,436,436,436,436,436,436,436,436},
+#line 205 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str179,174,37,62,62,37,129,37,60,60,37,37,37,37,129,37,37},
+#line 500 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str180,469,__PNR_usr26,__PNR_usr26,__PNR_usr26,983043,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26,__PNR_usr26},
+#line 439 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str181,408,313,275,275,340,76,304,263,267,291,291,283,283,76,306,306},
+#line 417 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str182,386,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,983045,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls,__PNR_set_tls},
+#line 174 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str183,143,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,983046,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls,__PNR_get_tls},
+#line 187 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str184,156,246,207,207,244,1,242,201,201,216,216,228,228,1,244,244},
+#line 34 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str185,3,51,163,163,51,89,51,158,158,51,51,51,51,89,51,51},
+#line 396 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str186,365,104,38,38,104,103,104,36,36,104,104,104,104,103,104,104},
+#line 150 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str187,119,105,36,36,105,102,105,35,35,105,105,105,105,102,105,105},
+#line 269 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str188,238,__PNR_newfstatat,262,262,__PNR_newfstatat,79,__PNR_newfstatat,252,256,__PNR_newfstatat,__PNR_newfstatat,__PNR_newfstatat,291,79,__PNR_newfstatat,293},
+#line 60 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str189,29,266,229,229,264,114,264,223,227,257,257,247,247,114,261,261},
+#line 66 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str190,35,264,227,227,262,112,262,221,225,255,255,245,245,112,259,259},
+#line 62 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str191,31,265,228,228,263,113,263,222,226,256,256,246,246,113,260,260},
+#line 437 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str192,406,102,__PNR_socketcall,__PNR_socketcall,__PNR_socketcall,__PNR_socketcall,102,__PNR_socketcall,__PNR_socketcall,__PNR_socketcall,__PNR_socketcall,102,102,__PNR_socketcall,102,102},
+#line 202 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str193,171,__PNR_kexec_file_load,320,320,401,294,__PNR_kexec_file_load,__PNR_kexec_file_load,__PNR_kexec_file_load,355,355,382,382,294,381,381},
+#line 257 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str194,226,163,25,25,163,216,167,24,24,163,163,163,163,216,163,163},
+#line 112 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str195,81,350,313,313,379,273,348,307,312,333,333,353,353,273,344,344},
+#line 347 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str196,316,175,14,14,175,135,195,14,14,175,175,174,174,135,175,175},
+#line 458 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str197,427,314,277,277,__PNR_sync_file_range,84,305,264,268,292,292,__PNR_sync_file_range,__PNR_sync_file_range,84,307,307},
+#line 113 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str198,82,234,196,196,234,13,232,188,188,246,246,217,217,13,232,232},
+#line 167 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str199,136,77,98,98,77,165,77,96,96,77,77,77,77,165,77,77},
+#line 190 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str200,159,385,333,333,399,292,368,328,332,350,350,388,388,292,382,382},
+#line 90 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str201,59,11,59,520,11,221,11,57,57,11,11,11,11,221,11,11},
+#line 413 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str202,382,366,54,541,294,208,181,53,53,181,181,339,339,208,366,366},
+#line 170 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str203,139,365,55,542,295,209,173,54,54,182,182,340,340,209,365,365},
+#line 323 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str204,292,225,187,187,225,213,223,179,179,207,207,191,191,213,222,222},
+#line 378 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str205,347,__PNR_semtimedop,220,220,312,192,__PNR_semtimedop,214,215,228,228,__PNR_semtimedop,392,192,__PNR_semtimedop,392},
+#line 212 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str206,181,9,86,86,9,__PNR_link,9,84,84,9,9,9,9,__PNR_link,9,9},
+#line 153 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str207,122,368,52,52,287,205,171,51,51,53,53,332,332,205,368,368},
+#line 503 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str208,472,30,132,132,__PNR_utime,__PNR_utime,30,130,130,30,30,30,30,__PNR_utime,30,30},
+#line 420 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str209,389,226,188,188,226,5,224,180,180,238,238,209,209,5,224,224},
+#line 177 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str210,146,229,191,191,229,8,227,183,183,241,241,212,212,8,227,227},
+#line 506 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str211,475,271,235,235,269,__PNR_utimes,267,226,230,336,336,251,251,__PNR_utimes,313,313},
+#line 327 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str212,296,145,19,515,145,65,145,18,18,145,145,145,145,65,145,145},
+#line 139 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str213,108,183,79,79,183,17,203,77,77,110,110,182,182,17,183,183},
+#line 108 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str214,77,55,72,72,55,25,55,70,70,55,55,55,55,25,55,55},
+#line 204 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str215,173,288,250,250,311,219,282,241,245,266,266,271,271,219,280,280},
+#line 415 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str216,384,258,218,218,256,96,252,212,213,237,237,232,232,96,252,252},
+#line 120 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str217,89,430,430,430,430,430,430,430,430,430,430,430,430,430,430,430},
+#line 197 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str218,166,426,426,426,426,426,426,426,426,426,426,426,426,426,426,426},
+#line 195 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str219,164,245,206,543,243,0,241,200,200,215,215,227,227,0,243,243},
+#line 188 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str220,157,247,208,208,245,4,243,202,202,217,217,229,229,4,245,245},
+#line 198 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str221,167,427,427,427,427,427,427,427,427,427,427,427,427,427,427,427},
+#line 218 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str222,187,53,__PNR_lock,__PNR_lock,__PNR_lock,__PNR_lock,53,__PNR_lock,__PNR_lock,__PNR_lock,__PNR_lock,53,53,__PNR_lock,__PNR_lock,__PNR_lock},
+#line 270 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str223,239,142,__PNR__newselect,__PNR__newselect,142,__PNR__newselect,142,22,22,142,142,142,142,__PNR__newselect,142,__PNR__newselect},
+#line 388 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str224,357,216,__PNR_setfsgid32,__PNR_setfsgid32,216,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,__PNR_setfsgid32,216,__PNR_setfsgid32},
+#line 403 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str225,372,204,__PNR_setregid32,__PNR_setregid32,204,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,__PNR_setregid32,204,__PNR_setregid32},
+#line 512 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str226,481,273,236,__PNR_vserver,313,__PNR_vserver,277,236,240,__PNR_vserver,__PNR_vserver,__PNR_vserver,__PNR_vserver,__PNR_vserver,__PNR_vserver,__PNR_vserver},
+#line 485 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str227,454,238,200,200,238,130,236,192,192,208,208,208,208,130,237,237},
+#line 483 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str228,452,409,__PNR_timer_settime64,__PNR_timer_settime64,409,__PNR_timer_settime64,409,__PNR_timer_settime64,409,409,__PNR_timer_settime64,409,__PNR_timer_settime64,__PNR_timer_settime64,409,__PNR_timer_settime64},
+#line 481 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str229,450,408,__PNR_timer_gettime64,__PNR_timer_gettime64,408,__PNR_timer_gettime64,408,__PNR_timer_gettime64,408,408,__PNR_timer_gettime64,408,__PNR_timer_gettime64,__PNR_timer_gettime64,408,__PNR_timer_gettime64},
+#line 478 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str230,447,411,__PNR_timerfd_settime64,__PNR_timerfd_settime64,411,__PNR_timerfd_settime64,411,__PNR_timerfd_settime64,411,411,__PNR_timerfd_settime64,411,__PNR_timerfd_settime64,__PNR_timerfd_settime64,411,__PNR_timerfd_settime64},
+#line 476 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str231,445,410,__PNR_timerfd_gettime64,__PNR_timerfd_gettime64,410,__PNR_timerfd_gettime64,410,__PNR_timerfd_gettime64,410,410,__PNR_timerfd_gettime64,410,__PNR_timerfd_gettime64,__PNR_timerfd_gettime64,410,__PNR_timerfd_gettime64},
+#line 186 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str232,155,54,16,514,54,29,54,15,15,54,54,54,54,29,54,54},
+#line 260 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str233,229,401,70,70,302,188,401,68,68,189,189,401,401,188,401,401},
+#line 92 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str234,61,1,60,60,1,93,1,58,58,1,1,1,1,93,1,1},
+#line 333 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str235,302,372,47,519,297,212,177,46,46,184,184,342,342,212,372,372},
+#line 201 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str236,170,349,312,312,378,272,347,306,311,332,332,354,354,272,343,343},
+#line 398 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str237,367,450,450,450,450,450,450,450,450,450,450,450,450,450,450,450},
+#line 432 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str238,401,73,__PNR_sigpending,__PNR_sigpending,73,__PNR_sigpending,73,__PNR_sigpending,__PNR_sigpending,73,73,73,73,__PNR_sigpending,73,73},
+#line 185 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str239,154,249,210,210,247,3,245,204,204,219,219,231,231,3,247,247},
+#line 366 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str240,335,423,__PNR_sched_rr_get_interval_time64,__PNR_sched_rr_get_interval_time64,423,__PNR_sched_rr_get_interval_time64,423,__PNR_sched_rr_get_interval_time64,423,423,__PNR_sched_rr_get_interval_time64,423,__PNR_sched_rr_get_interval_time64,__PNR_sched_rr_get_interval_time64,423,__PNR_sched_rr_get_interval_time64},
+#line 297 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str241,266,380,329,329,394,288,363,323,327,351,351,386,386,288,384,384},
+#line 271 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str242,240,169,180,__PNR_nfsservctl,169,42,189,173,173,__PNR_nfsservctl,__PNR_nfsservctl,168,168,42,169,169},
+#line 236 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str243,205,297,259,259,324,33,290,249,253,277,277,288,288,33,290,290},
+#line 511 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str244,480,316,278,532,343,75,307,266,270,294,294,285,285,75,309,309},
+#line 216 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str245,185,233,195,195,233,12,231,187,187,245,245,216,216,12,231,231},
+#line 267 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str246,236,341,303,303,370,264,339,298,303,325,325,345,345,264,335,335},
+#line 353 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str247,322,335,297,536,363,240,332,291,295,317,317,322,322,240,330,330},
+#line 348 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str248,317,178,129,524,178,138,198,127,127,178,178,177,177,138,178,178},
+#line 99 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str249,68,338,300,300,367,262,336,295,300,322,322,323,323,262,332,332},
+#line 199 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str250,168,425,425,425,425,425,425,425,425,425,425,425,425,425,425,425},
+#line 352 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str251,321,421,__PNR_rt_sigtimedwait_time64,__PNR_rt_sigtimedwait_time64,421,__PNR_rt_sigtimedwait_time64,421,__PNR_rt_sigtimedwait_time64,421,421,__PNR_rt_sigtimedwait_time64,421,__PNR_rt_sigtimedwait_time64,__PNR_rt_sigtimedwait_time64,421,__PNR_rt_sigtimedwait_time64},
+#line 301 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str252,270,172,157,157,172,167,192,153,153,172,172,171,171,167,172,172},
+#line 440 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str253,409,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create,279,279,__PNR_spu_create,__PNR_spu_create,__PNR_spu_create},
+#line 119 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str254,88,432,432,432,432,432,432,432,432,432,432,432,432,432,432,432},
+#line 331 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str255,300,337,299,537,365,243,335,294,298,319,319,343,343,243,357,357},
+#line 53 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str256,22,12,80,80,12,49,12,78,78,12,12,12,12,49,12,12},
+#line 129 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str257,98,93,77,77,93,46,93,75,75,93,93,93,93,46,93,93},
+#line 401 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str258,370,97,141,141,97,140,97,138,138,97,97,97,97,140,97,97},
+#line 159 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str259,128,96,140,140,96,141,96,137,137,96,96,96,96,141,96,96},
+#line 340 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str260,309,0,219,219,0,128,253,213,214,0,0,0,0,128,7,7},
+#line 467 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str261,436,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,149,199,199,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips,__PNR_sysmips},
+#line 254 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str262,223,279,242,242,276,182,273,232,236,231,231,264,264,182,273,273},
+#line 315 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str263,284,189,182,182,__PNR_putpmsg,__PNR_putpmsg,209,175,175,__PNR_putpmsg,__PNR_putpmsg,188,188,__PNR_putpmsg,189,189},
+#line 122 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str264,91,108,5,5,108,80,108,5,5,28,28,108,108,80,108,108},
+#line 43 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str265,12,361,49,49,282,200,169,48,48,22,22,327,327,200,361,361},
+#line 490 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str266,459,58,__PNR_ulimit,__PNR_ulimit,__PNR_ulimit,__PNR_ulimit,58,__PNR_ulimit,__PNR_ulimit,__PNR_ulimit,__PNR_ulimit,58,58,__PNR_ulimit,__PNR_ulimit,__PNR_ulimit},
+#line 435 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str267,404,72,__PNR_sigsuspend,__PNR_sigsuspend,72,__PNR_sigsuspend,72,__PNR_sigsuspend,__PNR_sigsuspend,__PNR_sigsuspend,__PNR_sigsuspend,72,72,__PNR_sigsuspend,72,72},
+#line 252 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str268,221,280,243,243,277,183,274,233,237,232,232,265,265,183,274,274},
+#line 382 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str269,351,239,__PNR_sendfile64,__PNR_sendfile64,239,__PNR_sendfile64,237,__PNR_sendfile64,219,209,209,226,__PNR_sendfile64,__PNR_sendfile64,223,__PNR_sendfile64},
+#line 203 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str270,172,283,246,528,347,104,311,270,274,300,300,268,268,104,277,277},
+#line 125 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str271,94,100,138,138,100,44,100,135,135,100,100,100,100,44,100,100},
+#line 268 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str272,237,162,35,35,162,101,166,34,34,162,162,162,162,101,162,162},
+#line 74 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str273,43,8,85,85,8,__PNR_creat,8,83,83,8,8,8,8,__PNR_creat,8,8},
+#line 308 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str274,277,347,310,539,376,270,345,304,309,330,330,351,351,270,340,340},
+#line 309 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str275,278,348,311,540,377,271,346,305,310,331,331,352,352,271,341,341},
+#line 313 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str276,282,413,__PNR_pselect6_time64,__PNR_pselect6_time64,413,__PNR_pselect6_time64,413,__PNR_pselect6_time64,413,413,__PNR_pselect6_time64,413,__PNR_pselect6_time64,__PNR_pselect6_time64,413,__PNR_pselect6_time64},
+#line 354 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str277,323,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,__PNR_s390_guarded_storage,378,378},
+#line 330 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str278,299,371,45,517,292,207,176,44,44,123,123,337,337,207,371,371},
+#line 91 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str279,60,358,322,545,387,281,356,316,320,342,342,362,362,281,354,354},
+#line 469 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str280,438,270,234,234,268,131,266,225,229,259,259,250,250,131,241,241},
+#line 336 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str281,305,38,82,82,38,__PNR_rename,38,80,80,38,38,38,38,__PNR_rename,38,38},
+#line 44 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str282,13,357,321,321,386,280,355,315,319,341,341,361,361,280,351,351},
+#line 219 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str283,188,253,212,212,249,18,247,206,206,223,223,235,235,18,110,110},
+#line 95 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str284,64,439,439,439,439,439,439,439,439,439,439,439,439,439,439,439},
+#line 497 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str285,466,310,272,272,337,97,303,262,266,288,288,282,282,97,303,303},
+#line 393 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str286,362,81,116,116,81,159,81,114,114,81,81,81,81,159,81,206},
+#line 148 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str287,117,80,115,115,80,158,80,113,113,80,80,80,80,158,80,205},
+#line 245 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str288,214,429,429,429,429,429,429,429,429,429,429,429,429,429,429,429},
+#line 225 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str289,194,219,28,28,220,233,218,27,27,119,119,205,205,233,219,219},
+#line 227 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str290,196,274,237,237,319,235,268,227,231,260,260,259,259,235,268,268},
+#line 494 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str291,463,122,63,63,122,160,122,61,61,59,59,122,122,160,122,122},
+#line 357 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str292,326,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,__PNR_s390_runtime_instr,342,342},
+#line 314 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str293,283,26,101,521,26,117,26,99,99,26,26,26,26,117,26,26},
+#line 487 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str294,456,193,__PNR_truncate64,__PNR_truncate64,193,__PNR_truncate64,211,__PNR_truncate64,__PNR_truncate64,199,199,193,__PNR_truncate64,__PNR_truncate64,193,__PNR_truncate64},
+#line 251 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str295,220,277,240,240,274,180,271,230,234,229,229,262,262,180,271,271},
+#line 141 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str296,110,220,217,217,217,61,219,308,299,201,201,202,202,61,220,220},
+#line 223 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str297,192,107,6,6,107,__PNR_lstat,107,6,6,84,84,107,107,__PNR_lstat,107,107},
+#line 169 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str298,138,367,51,51,286,204,172,50,50,44,44,331,331,204,367,367},
+#line 358 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str299,327,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,__PNR_s390_sthyi,380,380},
+#line 452 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str300,421,115,168,168,115,225,115,163,163,115,115,115,115,225,115,115},
+#line 287 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str301,256,336,298,298,364,241,333,292,296,318,318,319,319,241,331,331},
+#line 206 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str302,175,445,445,445,445,445,445,445,445,445,445,445,445,445,445,445},
+#line 208 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str303,177,446,446,446,446,446,446,446,446,446,446,446,446,446,446,446},
+#line 207 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str304,176,444,444,444,444,444,444,444,444,444,444,444,444,444,444,444},
+#line 450 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str305,419,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot,310,310,__PNR_subpage_prot,__PNR_subpage_prot,__PNR_subpage_prot},
+#line 75 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str306,44,127,174,__PNR_create_module,__PNR_create_module,__PNR_create_module,127,167,167,__PNR_create_module,__PNR_create_module,127,127,__PNR_create_module,127,127},
+#line 335 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str307,304,235,197,197,235,14,233,189,189,247,247,218,218,14,233,233},
+#line 434 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str308,403,119,__PNR_sigreturn,__PNR_sigreturn,119,__PNR_sigreturn,119,__PNR_sigreturn,__PNR_sigreturn,__PNR_sigreturn,__PNR_sigreturn,119,119,__PNR_sigreturn,119,119},
+#line 433 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str309,402,126,__PNR_sigprocmask,__PNR_sigprocmask,126,__PNR_sigprocmask,126,__PNR_sigprocmask,__PNR_sigprocmask,126,126,126,126,__PNR_sigprocmask,126,126},
+#line 118 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str310,87,228,190,190,228,7,226,182,182,240,240,211,211,7,226,226},
+#line 111 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str311,80,231,193,193,231,10,229,185,185,243,243,214,214,10,229,229},
+#line 277 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str312,246,109,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,__PNR_olduname,109,109,__PNR_olduname,__PNR_olduname,__PNR_olduname},
+#line 341 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str313,310,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache,259,__PNR_riscv_flush_icache,__PNR_riscv_flush_icache},
+#line 138 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str314,107,318,309,309,345,168,312,271,275,296,296,302,302,168,311,311},
+#line 221 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str315,190,19,8,8,19,62,19,8,8,19,19,19,19,62,19,19},
+#line 407 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str316,376,208,__PNR_setresuid32,__PNR_setresuid32,208,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,__PNR_setresuid32,208,__PNR_setresuid32},
+#line 164 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str317,133,209,__PNR_getresuid32,__PNR_getresuid32,209,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,__PNR_getresuid32,209,__PNR_getresuid32},
+#line 233 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str318,202,39,83,83,39,__PNR_mkdir,39,81,81,39,39,39,39,__PNR_mkdir,39,39},
+#line 114 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str319,83,143,73,73,143,32,143,71,71,143,143,143,143,32,143,143},
+#line 488 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str320,457,__PNR_tuxcall,184,184,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall,225,225,__PNR_tuxcall,__PNR_tuxcall,__PNR_tuxcall},
+#line 329 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str321,298,__PNR_recv,__PNR_recv,__PNR_recv,291,__PNR_recv,175,__PNR_recv,__PNR_recv,98,98,336,336,__PNR_recv,__PNR_recv,__PNR_recv},
+#line 461 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str322,430,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,0,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall,__PNR_syscall},
+#line 217 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str323,186,140,__PNR__llseek,__PNR__llseek,140,__PNR__llseek,140,__PNR__llseek,__PNR__llseek,140,140,140,140,__PNR__llseek,140,__PNR__llseek},
+#line 326 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str324,295,305,267,267,332,78,298,257,261,285,285,296,296,78,298,298},
+#line 132 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str325,101,456,456,456,456,456,456,456,456,456,456,456,456,456,456,456},
+#line 295 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str326,264,381,330,330,395,289,364,324,328,352,352,384,384,289,385,385},
+#line 237 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str327,206,150,149,149,150,228,154,146,146,150,150,150,150,228,150,150},
+#line 416 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str328,385,79,164,164,79,170,79,159,159,79,79,79,79,170,79,79},
+#line 173 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str329,142,78,96,96,78,169,78,94,94,78,78,78,78,169,78,78},
+#line 447 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str330,416,383,332,332,397,291,366,326,330,349,349,383,383,291,379,379},
+#line 55 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str331,24,182,92,92,182,__PNR_chown,202,90,90,180,180,181,181,__PNR_chown,182,212},
+#line 131 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str332,100,240,202,202,240,98,238,194,194,210,210,221,221,98,238,238},
+#line 214 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str333,183,363,50,50,284,201,174,49,49,32,32,329,329,201,363,363},
+#line 49 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str334,18,__PNR_cacheflush,__PNR_cacheflush,__PNR_cacheflush,983042,__PNR_cacheflush,147,197,197,356,356,__PNR_cacheflush,__PNR_cacheflush,__PNR_cacheflush,__PNR_cacheflush,__PNR_cacheflush},
+#line 337 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str335,306,302,264,264,329,38,295,254,258,282,282,293,293,__PNR_renameat,295,295},
+#line 492 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str336,461,22,__PNR_umount,__PNR_umount,__PNR_umount,__PNR_umount,22,__PNR_umount,__PNR_umount,__PNR_umount,__PNR_umount,22,22,__PNR_umount,22,22},
+#line 266 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str337,235,91,11,11,91,215,91,11,11,91,91,91,91,215,91,91},
+#line 422 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str338,391,397,30,30,305,196,397,29,29,192,192,397,397,196,397,397},
+#line 300 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str339,269,414,__PNR_ppoll_time64,__PNR_ppoll_time64,414,__PNR_ppoll_time64,414,__PNR_ppoll_time64,414,414,__PNR_ppoll_time64,414,__PNR_ppoll_time64,__PNR_ppoll_time64,414,__PNR_ppoll_time64},
+#line 334 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str340,303,257,216,216,253,234,251,210,210,227,227,239,239,234,267,267},
+#line 293 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str341,262,331,293,293,359,59,328,287,291,313,313,317,317,59,325,325},
+#line 222 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str342,191,227,189,189,227,6,225,181,181,239,239,210,210,6,225,225},
+#line 211 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str343,180,230,192,192,230,9,228,184,184,242,242,213,213,9,228,228},
+#line 78 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str344,47,63,33,33,63,__PNR_dup2,63,32,32,63,63,63,63,__PNR_dup2,63,63},
+#line 215 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str345,184,232,194,194,232,11,230,186,186,244,244,215,215,11,230,230},
+#line 489 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str346,458,191,__PNR_ugetrlimit,__PNR_ugetrlimit,191,__PNR_ugetrlimit,__PNR_ugetrlimit,__PNR_ugetrlimit,__PNR_ugetrlimit,__PNR_ugetrlimit,__PNR_ugetrlimit,190,190,__PNR_ugetrlimit,191,__PNR_ugetrlimit},
+#line 516 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str347,485,4,1,1,4,64,4,1,1,4,4,4,4,64,4,4},
+#line 504 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str348,473,320,280,280,348,88,316,275,279,301,301,304,304,88,315,315},
+#line 414 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str349,383,243,205,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area,283,242,246,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area,__PNR_set_thread_area},
+#line 171 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str350,140,244,211,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area,__PNR_get_thread_area},
+#line 86 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str351,55,256,232,232,252,__PNR_epoll_wait,250,209,209,226,226,238,238,__PNR_epoll_wait,251,251},
+#line 459 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str352,428,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2,308,308,__PNR_sync_file_range2,__PNR_sync_file_range2,__PNR_sync_file_range2},
+#line 87 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str353,56,__PNR_epoll_wait_old,215,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old,__PNR_epoll_wait_old},
+#line 116 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str354,85,237,199,199,237,16,235,191,191,249,249,220,220,16,235,235},
+#line 390 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str355,359,215,__PNR_setfsuid32,__PNR_setfsuid32,215,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,__PNR_setfsuid32,215,__PNR_setfsuid32},
+#line 409 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str356,378,203,__PNR_setreuid32,__PNR_setreuid32,203,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,__PNR_setreuid32,203,__PNR_setreuid32},
+#line 239 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str357,208,152,151,151,152,230,156,148,148,152,152,152,152,230,152,152},
+#line 288 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str358,257,136,135,135,136,92,136,132,132,136,136,136,136,92,136,136},
+#line 234 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str359,203,296,258,258,323,34,289,248,252,276,276,287,287,34,289,289},
+#line 397 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str360,366,276,238,238,321,237,270,229,233,262,262,261,261,237,270,270},
+#line 152 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str361,121,275,239,239,320,236,269,228,232,261,261,260,260,236,269,269},
+#line 137 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str362,106,299,261,261,326,__PNR_futimesat,292,251,255,279,279,290,290,__PNR_futimesat,292,292},
+#line 107 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str363,76,298,260,260,325,54,291,250,254,278,278,289,289,54,291,291},
+#line 151 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str364,120,130,177,__PNR_get_kernel_syms,__PNR_get_kernel_syms,__PNR_get_kernel_syms,130,170,170,__PNR_get_kernel_syms,__PNR_get_kernel_syms,130,130,__PNR_get_kernel_syms,130,130},
+#line 183 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str365,152,332,294,294,360,26,329,288,292,314,314,318,318,26,324,324},
+#line 182 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str366,151,291,253,253,316,__PNR_inotify_init,284,243,247,269,269,275,275,__PNR_inotify_init,284,284},
+#line 507 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str367,476,190,58,58,190,__PNR_vfork,__PNR_vfork,__PNR_vfork,__PNR_vfork,113,113,189,189,__PNR_vfork,190,190},
+#line 100 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str368,69,339,301,301,368,263,337,296,301,323,323,324,324,263,333,333},
+#line 451 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str369,420,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext,249,249,__PNR_swapcontext,__PNR_swapcontext,__PNR_swapcontext},
+#line 242 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str370,211,123,154,154,__PNR_modify_ldt,__PNR_modify_ldt,123,__PNR_modify_ldt,__PNR_modify_ldt,__PNR_modify_ldt,__PNR_modify_ldt,123,123,__PNR_modify_ldt,__PNR_modify_ldt,__PNR_modify_ldt},
+#line 143 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str371,112,202,__PNR_getegid32,__PNR_getegid32,202,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,__PNR_getegid32,202,__PNR_getegid32},
+#line 84 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str372,53,319,281,281,346,22,313,272,276,297,297,303,303,22,312,312},
+#line 499 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str373,468,374,323,323,388,282,357,317,321,344,344,364,364,282,355,355},
+#line 47 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str374,16,45,12,12,45,214,45,12,12,45,45,45,45,214,45,45},
+#line 105 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str375,74,95,93,93,95,55,95,91,91,95,95,95,95,55,95,207},
+#line 379 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str376,348,420,__PNR_semtimedop_time64,__PNR_semtimedop_time64,420,__PNR_semtimedop_time64,420,__PNR_semtimedop_time64,420,420,__PNR_semtimedop_time64,420,__PNR_semtimedop_time64,__PNR_semtimedop_time64,420,__PNR_semtimedop_time64},
+#line 502 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str377,471,62,136,136,62,__PNR_ustat,62,133,133,62,62,62,62,__PNR_ustat,62,62},
+#line 79 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str378,48,330,292,292,358,24,327,286,290,312,312,316,316,24,326,326},
+#line 319 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str379,288,167,178,__PNR_query_module,__PNR_query_module,__PNR_query_module,187,171,171,__PNR_query_module,__PNR_query_module,166,166,__PNR_query_module,167,167},
+#line 180 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str380,149,128,175,175,128,105,128,168,168,128,128,128,128,105,128,128},
+#line 275 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str381,244,59,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname,59,59,__PNR_oldolduname,__PNR_oldolduname,__PNR_oldolduname},
+#line 67 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str382,36,404,__PNR_clock_settime64,__PNR_clock_settime64,404,__PNR_clock_settime64,404,__PNR_clock_settime64,404,404,__PNR_clock_settime64,404,__PNR_clock_settime64,__PNR_clock_settime64,404,__PNR_clock_settime64},
+#line 63 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str383,32,403,__PNR_clock_gettime64,__PNR_clock_gettime64,403,__PNR_clock_gettime64,403,__PNR_clock_gettime64,403,403,__PNR_clock_gettime64,403,__PNR_clock_gettime64,__PNR_clock_gettime64,403,__PNR_clock_gettime64},
+#line 220 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str384,189,236,198,198,236,15,234,190,190,248,248,219,219,15,234,234},
+#line 325 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str385,294,85,89,89,85,__PNR_readlink,85,87,87,85,85,85,85,__PNR_readlink,85,85},
+#line 61 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str386,30,406,__PNR_clock_getres_time64,__PNR_clock_getres_time64,406,__PNR_clock_getres_time64,406,__PNR_clock_getres_time64,406,406,__PNR_clock_getres_time64,406,__PNR_clock_getres_time64,__PNR_clock_getres_time64,406,__PNR_clock_getres_time64},
+#line 508 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str387,477,111,153,153,111,58,111,150,150,111,111,111,111,58,111,111},
+#line 58 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str388,27,343,305,305,372,266,341,300,305,324,324,347,347,266,337,337},
+#line 339 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str389,308,287,249,249,310,218,281,240,244,265,265,270,270,218,279,279},
+#line 465 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str390,434,116,99,99,116,179,116,97,97,116,116,116,116,179,116,116},
+#line 241 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str391,210,192,__PNR_mmap2,__PNR_mmap2,192,__PNR_mmap2,210,__PNR_mmap2,__PNR_mmap2,89,89,192,__PNR_mmap2,__PNR_mmap2,192,__PNR_mmap2},
+#line 36 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str392,5,124,159,159,124,171,124,154,154,124,124,124,124,171,124,124},
+#line 514 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str393,483,284,247,529,280,95,278,237,241,235,235,272,272,95,281,281},
+#line 373 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str394,342,__PNR_security,185,185,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security,__PNR_security},
+#line 191 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str395,160,416,__PNR_io_pgetevents_time64,__PNR_io_pgetevents_time64,416,__PNR_io_pgetevents_time64,416,__PNR_io_pgetevents_time64,416,416,__PNR_io_pgetevents_time64,416,__PNR_io_pgetevents_time64,__PNR_io_pgetevents_time64,416,__PNR_io_pgetevents_time64},
+#line 250 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str396,219,281,244,527,278,184,275,234,238,233,233,266,266,184,275,275},
+#line 64 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str397,33,267,230,230,265,115,265,224,228,258,258,248,248,115,262,262},
+#line 491 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str398,460,60,95,95,60,166,60,93,93,60,60,60,60,166,60,60},
+#line 280 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str399,249,437,437,437,437,437,437,437,437,437,437,437,437,437,437,437},
+#line 209 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str400,178,16,94,94,16,__PNR_lchown,16,92,92,16,16,16,16,__PNR_lchown,16,198},
+#line 110 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str401,79,148,75,75,148,83,152,73,73,148,148,148,148,83,148,148},
+#line 93 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str402,62,252,231,231,248,94,246,205,205,222,222,234,234,94,248,248},
+#line 427 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str403,396,67,__PNR_sigaction,__PNR_sigaction,67,__PNR_sigaction,67,__PNR_sigaction,__PNR_sigaction,__PNR_sigaction,__PNR_sigaction,67,67,__PNR_sigaction,67,67},
+#line 121 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str404,90,433,433,433,433,433,433,433,433,433,433,433,433,433,433,433},
+#line 456 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str405,425,304,266,266,331,36,297,256,260,284,284,295,295,36,297,297},
+#line 394 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str406,363,206,__PNR_setgroups32,__PNR_setgroups32,206,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,__PNR_setgroups32,206,__PNR_setgroups32},
+#line 149 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str407,118,205,__PNR_getgroups32,__PNR_getgroups32,205,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,__PNR_getgroups32,205,__PNR_getgroups32},
+#line 196 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str408,165,248,209,544,246,2,244,203,203,218,218,230,230,2,246,246},
+#line 515 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str409,484,7,__PNR_waitpid,__PNR_waitpid,__PNR_waitpid,__PNR_waitpid,7,__PNR_waitpid,__PNR_waitpid,7,7,7,7,__PNR_waitpid,__PNR_waitpid,__PNR_waitpid},
+#line 453 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str410,422,87,167,167,87,224,87,162,162,87,87,87,87,224,87,87},
+#line 41 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str411,10,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,341,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range,__PNR_arm_sync_file_range},
+#line 89 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str412,58,328,290,290,356,19,325,284,288,310,310,314,314,19,323,323},
+#line 37 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str413,6,137,183,183,__PNR_afs_syscall,__PNR_afs_syscall,137,176,176,__PNR_afs_syscall,__PNR_afs_syscall,137,137,__PNR_afs_syscall,137,137},
+#line 130 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str414,99,194,__PNR_ftruncate64,__PNR_ftruncate64,194,__PNR_ftruncate64,212,__PNR_ftruncate64,__PNR_ftruncate64,200,200,194,__PNR_ftruncate64,__PNR_ftruncate64,194,__PNR_ftruncate64},
+#line 321 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str415,290,443,443,443,443,443,443,443,443,443,443,443,443,443,443,443},
+#line 332 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str416,301,417,__PNR_recvmmsg_time64,__PNR_recvmmsg_time64,417,__PNR_recvmmsg_time64,417,__PNR_recvmmsg_time64,417,417,__PNR_recvmmsg_time64,417,__PNR_recvmmsg_time64,__PNR_recvmmsg_time64,417,__PNR_recvmmsg_time64},
+#line 255 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str417,224,418,__PNR_mq_timedsend_time64,__PNR_mq_timedsend_time64,418,__PNR_mq_timedsend_time64,418,__PNR_mq_timedsend_time64,418,418,__PNR_mq_timedsend_time64,418,__PNR_mq_timedsend_time64,__PNR_mq_timedsend_time64,418,__PNR_mq_timedsend_time64},
+#line 265 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str418,234,153,152,152,153,231,157,149,149,153,153,153,153,231,153,153},
+#line 264 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str419,233,151,150,150,151,229,155,147,147,151,151,151,151,229,151,151},
+#line 392 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str420,361,214,__PNR_setgid32,__PNR_setgid32,214,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,__PNR_setgid32,214,__PNR_setgid32},
+#line 147 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str421,116,200,__PNR_getgid32,__PNR_getgid32,200,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,__PNR_getgid32,200,__PNR_getgid32},
+#line 253 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str422,222,419,__PNR_mq_timedreceive_time64,__PNR_mq_timedreceive_time64,419,__PNR_mq_timedreceive_time64,419,__PNR_mq_timedreceive_time64,419,419,__PNR_mq_timedreceive_time64,419,__PNR_mq_timedreceive_time64,__PNR_mq_timedreceive_time64,419,__PNR_mq_timedreceive_time64},
+#line 184 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str423,153,293,255,255,318,28,286,245,249,271,271,277,277,28,286,286},
+#line 133 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str424,102,422,__PNR_futex_time64,__PNR_futex_time64,422,__PNR_futex_time64,422,__PNR_futex_time64,422,422,__PNR_futex_time64,422,__PNR_futex_time64,__PNR_futex_time64,422,__PNR_futex_time64},
+#line 441 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str425,410,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run,278,278,__PNR_spu_run,__PNR_spu_run,__PNR_spu_run},
+#line 104 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str426,73,452,452,452,452,452,452,452,452,452,452,452,452,452,452,452},
+#line 263 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str427,232,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer,201,201,__PNR_multiplexer,__PNR_multiplexer,__PNR_multiplexer},
+#line 419 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str428,388,213,__PNR_setuid32,__PNR_setuid32,213,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,__PNR_setuid32,213,__PNR_setuid32},
+#line 176 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str429,145,199,__PNR_getuid32,__PNR_getuid32,199,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,__PNR_getuid32,199,__PNR_getuid32},
+#line 442 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str430,411,69,__PNR_ssetmask,__PNR_ssetmask,__PNR_ssetmask,__PNR_ssetmask,69,__PNR_ssetmask,__PNR_ssetmask,69,69,69,69,__PNR_ssetmask,__PNR_ssetmask,__PNR_ssetmask},
+#line 421 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str431,390,68,__PNR_sgetmask,__PNR_sgetmask,__PNR_sgetmask,__PNR_sgetmask,68,__PNR_sgetmask,__PNR_sgetmask,68,68,68,68,__PNR_sgetmask,__PNR_sgetmask,__PNR_sgetmask},
+#line 320 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str432,289,131,179,179,131,60,131,172,172,131,131,131,131,60,131,131},
+#line 428 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str433,397,186,131,525,186,132,206,129,129,166,166,185,185,132,186,186},
+#line 32 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str434,1,364,288,288,366,242,334,293,297,320,320,344,344,242,364,364},
+#line 303 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str435,272,333,295,534,361,69,330,289,293,315,315,320,320,69,328,328},
+#line 238 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str436,207,376,325,325,390,284,359,319,323,345,345,378,378,284,374,374},
+#line 134 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str437,103,455,455,455,455,455,455,455,455,455,455,455,455,455,455,455},
+#line 455 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str438,424,83,88,88,83,__PNR_symlink,83,86,86,83,83,83,83,__PNR_symlink,83,83},
+#line 181 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str439,150,292,254,254,317,27,285,244,248,270,270,276,276,27,285,285},
+#line 226 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str440,195,453,453,__PNR_map_shadow_stack,453,453,453,453,453,453,453,453,453,453,453,453},
+#line 145 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str441,114,201,__PNR_geteuid32,__PNR_geteuid32,201,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,__PNR_geteuid32,201,__PNR_geteuid32},
+#line 431 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str442,400,327,289,289,355,74,324,283,287,309,309,313,313,74,322,322},
+#line 85 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str443,54,441,441,441,441,441,441,441,441,441,441,441,441,441,441,441},
+#line 444 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str444,413,195,__PNR_stat64,__PNR_stat64,195,__PNR_stat64,213,__PNR_stat64,__PNR_stat64,101,101,195,__PNR_stat64,__PNR_stat64,195,__PNR_stat64},
+#line 281 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str445,250,342,304,304,371,265,340,299,304,326,326,346,346,265,336,336},
+#line 446 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str446,415,268,__PNR_statfs64,__PNR_statfs64,266,__PNR_statfs64,255,__PNR_statfs64,217,298,298,252,252,__PNR_statfs64,265,265},
+#line 505 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str447,474,412,__PNR_utimensat_time64,__PNR_utimensat_time64,412,__PNR_utimensat_time64,412,__PNR_utimensat_time64,412,412,__PNR_utimensat_time64,412,__PNR_utimensat_time64,__PNR_utimensat_time64,412,__PNR_utimensat_time64},
+#line 517 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str448,486,146,20,516,146,66,146,19,19,146,146,146,146,66,146,146},
+#line 411 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str449,380,311,273,530,338,99,309,268,272,289,289,300,300,99,304,304},
+#line 166 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str450,135,312,274,531,339,100,310,269,273,290,290,299,299,100,305,305},
+#line 42 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str451,11,134,__PNR_bdflush,__PNR_bdflush,134,__PNR_bdflush,134,__PNR_bdflush,__PNR_bdflush,134,134,134,134,__PNR_bdflush,134,134},
+#line 40 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str452,9,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,270,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64,__PNR_arm_fadvise64_64},
+#line 109 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str453,78,221,__PNR_fcntl64,__PNR_fcntl64,221,__PNR_fcntl64,220,__PNR_fcntl64,212,202,202,204,__PNR_fcntl64,__PNR_fcntl64,221,__PNR_fcntl64},
+#line 454 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str454,423,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian,363,363,__PNR_switch_endian,__PNR_switch_endian,__PNR_switch_endian},
+#line 65 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str455,34,407,__PNR_clock_nanosleep_time64,__PNR_clock_nanosleep_time64,407,__PNR_clock_nanosleep_time64,407,__PNR_clock_nanosleep_time64,407,407,__PNR_clock_nanosleep_time64,407,__PNR_clock_nanosleep_time64,__PNR_clock_nanosleep_time64,407,__PNR_clock_nanosleep_time64},
+#line 426 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str456,395,373,48,48,293,210,182,47,47,117,117,338,338,210,373,373},
+#line 59 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str457,28,405,__PNR_clock_adjtime64,__PNR_clock_adjtime64,405,__PNR_clock_adjtime64,405,__PNR_clock_adjtime64,405,405,__PNR_clock_adjtime64,405,__PNR_clock_adjtime64,__PNR_clock_adjtime64,405,__PNR_clock_adjtime64},
+#line 317 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str458,286,334,296,535,362,70,331,290,294,316,316,321,321,70,329,329},
+#line 135 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str459,104,449,449,449,449,449,449,449,449,449,449,449,449,449,449,449},
+#line 305 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str460,274,340,302,302,369,261,338,297,302,321,321,325,325,261,334,334},
+#line 56 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str461,25,212,__PNR_chown32,__PNR_chown32,212,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,__PNR_chown32,212,__PNR_chown32},
+#line 35 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str462,4,286,248,248,309,217,280,239,243,264,264,269,269,217,278,278},
+#line 496 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str463,465,301,263,263,328,35,294,253,257,281,281,292,292,35,294,294},
+#line 136 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str464,105,454,454,454,454,454,454,454,454,454,454,454,454,454,454,454},
+#line 338 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str465,307,353,316,316,382,276,351,311,315,337,337,357,357,276,347,347},
+#line 493 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str466,462,52,166,166,52,39,52,161,161,52,52,52,52,39,52,52},
+#line 501 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str467,470,__PNR_usr32,__PNR_usr32,__PNR_usr32,983044,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32,__PNR_usr32},
+#line 256 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str468,225,278,241,241,275,181,272,231,235,230,230,263,263,181,272,272},
+#line 498 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str469,467,86,134,__PNR_uselib,86,__PNR_uselib,86,__PNR_uselib,__PNR_uselib,86,86,86,86,__PNR_uselib,86,86},
+#line 123 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str470,92,197,__PNR_fstat64,__PNR_fstat64,197,__PNR_fstat64,215,__PNR_fstat64,__PNR_fstat64,112,112,197,__PNR_fstat64,__PNR_fstat64,197,__PNR_fstat64},
+#line 126 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str471,95,269,__PNR_fstatfs64,__PNR_fstatfs64,267,__PNR_fstatfs64,256,__PNR_fstatfs64,218,299,299,253,253,__PNR_fstatfs64,266,266},
+#line 96 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str472,65,250,221,221,__PNR_fadvise64,223,254,215,216,__PNR_fadvise64,__PNR_fadvise64,233,233,223,253,253},
+#line 97 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str473,66,272,__PNR_fadvise64_64,__PNR_fadvise64_64,__PNR_fadvise64_64,__PNR_fadvise64_64,__PNR_fadvise64_64,__PNR_fadvise64_64,__PNR_fadvise64_64,236,236,254,__PNR_fadvise64_64,__PNR_fadvise64_64,264,__PNR_fadvise64_64},
+#line 106 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str474,75,207,__PNR_fchown32,__PNR_fchown32,207,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,__PNR_fchown32,207,__PNR_fchown32},
+#line 302 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str475,271,180,17,17,180,67,200,16,16,108,108,179,179,67,180,180},
+#line 463 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str476,432,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,256,256,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext,__PNR_sys_debug_setcontext},
+#line 224 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str477,193,196,__PNR_lstat64,__PNR_lstat64,196,__PNR_lstat64,214,__PNR_lstat64,__PNR_lstat64,198,198,196,__PNR_lstat64,__PNR_lstat64,196,__PNR_lstat64},
+#line 304 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str478,273,378,327,546,392,286,361,321,325,347,347,380,380,286,376,376},
+#line 495 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str479,464,10,87,87,10,__PNR_unlink,10,85,85,10,10,10,10,__PNR_unlink,10,10},
+#line 210 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str480,179,198,__PNR_lchown32,__PNR_lchown32,198,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,__PNR_lchown32,198,__PNR_lchown32},
+#line 124 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str481,93,300,__PNR_fstatat64,__PNR_fstatat64,327,__PNR_fstatat64,293,__PNR_fstatat64,__PNR_fstatat64,280,280,291,__PNR_fstatat64,__PNR_fstatat64,293,__PNR_fstatat64},
+#line 46 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str482,15,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,983041,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint,__PNR_breakpoint},
+#line 45 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str483,14,17,__PNR_break,__PNR_break,__PNR_break,__PNR_break,17,__PNR_break,__PNR_break,__PNR_break,__PNR_break,17,17,__PNR_break,__PNR_break,__PNR_break},
+#line 513 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str484,482,114,61,61,114,260,114,59,59,114,114,114,114,260,114,114},
+#line 316 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str485,285,181,18,18,181,68,201,17,17,109,109,180,180,68,181,181},
+#line 318 "syscalls.perf"
+ {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str486,287,379,328,547,393,287,362,322,326,348,348,381,381,287,377,377}
+ };
+
+const struct arch_syscall_table *
+in_word_set (register const char *str, register size_t len)
+{
+ if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
+ {
+ register unsigned int key = hash (str, len);
+
+ if (key <= MAX_HASH_VALUE && key >= MIN_HASH_VALUE)
+ {
+ register const struct arch_syscall_table *resword;
+
+ switch (key - 24)
+ {
+ case 0:
+ resword = &wordlist[0];
+ goto compare;
+ case 9:
+ resword = &wordlist[1];
+ goto compare;
+ case 12:
+ resword = &wordlist[2];
+ goto compare;
+ case 13:
+ resword = &wordlist[3];
+ goto compare;
+ case 15:
+ resword = &wordlist[4];
+ goto compare;
+ case 16:
+ resword = &wordlist[5];
+ goto compare;
+ case 18:
+ resword = &wordlist[6];
+ goto compare;
+ case 27:
+ resword = &wordlist[7];
+ goto compare;
+ case 32:
+ resword = &wordlist[8];
+ goto compare;
+ case 33:
+ resword = &wordlist[9];
+ goto compare;
+ case 39:
+ resword = &wordlist[10];
+ goto compare;
+ case 40:
+ resword = &wordlist[11];
+ goto compare;
+ case 44:
+ resword = &wordlist[12];
+ goto compare;
+ case 45:
+ resword = &wordlist[13];
+ goto compare;
+ case 47:
+ resword = &wordlist[14];
+ goto compare;
+ case 49:
+ resword = &wordlist[15];
+ goto compare;
+ case 51:
+ resword = &wordlist[16];
+ goto compare;
+ case 52:
+ resword = &wordlist[17];
+ goto compare;
+ case 53:
+ resword = &wordlist[18];
+ goto compare;
+ case 55:
+ resword = &wordlist[19];
+ goto compare;
+ case 60:
+ resword = &wordlist[20];
+ goto compare;
+ case 61:
+ resword = &wordlist[21];
+ goto compare;
+ case 62:
+ resword = &wordlist[22];
+ goto compare;
+ case 63:
+ resword = &wordlist[23];
+ goto compare;
+ case 64:
+ resword = &wordlist[24];
+ goto compare;
+ case 66:
+ resword = &wordlist[25];
+ goto compare;
+ case 67:
+ resword = &wordlist[26];
+ goto compare;
+ case 68:
+ resword = &wordlist[27];
+ goto compare;
+ case 69:
+ resword = &wordlist[28];
+ goto compare;
+ case 70:
+ resword = &wordlist[29];
+ goto compare;
+ case 72:
+ resword = &wordlist[30];
+ goto compare;
+ case 73:
+ resword = &wordlist[31];
+ goto compare;
+ case 74:
+ resword = &wordlist[32];
+ goto compare;
+ case 75:
+ resword = &wordlist[33];
+ goto compare;
+ case 80:
+ resword = &wordlist[34];
+ goto compare;
+ case 82:
+ resword = &wordlist[35];
+ goto compare;
+ case 85:
+ resword = &wordlist[36];
+ goto compare;
+ case 86:
+ resword = &wordlist[37];
+ goto compare;
+ case 87:
+ resword = &wordlist[38];
+ goto compare;
+ case 92:
+ resword = &wordlist[39];
+ goto compare;
+ case 94:
+ resword = &wordlist[40];
+ goto compare;
+ case 97:
+ resword = &wordlist[41];
+ goto compare;
+ case 100:
+ resword = &wordlist[42];
+ goto compare;
+ case 103:
+ resword = &wordlist[43];
+ goto compare;
+ case 104:
+ resword = &wordlist[44];
+ goto compare;
+ case 105:
+ resword = &wordlist[45];
+ goto compare;
+ case 111:
+ resword = &wordlist[46];
+ goto compare;
+ case 112:
+ resword = &wordlist[47];
+ goto compare;
+ case 113:
+ resword = &wordlist[48];
+ goto compare;
+ case 119:
+ resword = &wordlist[49];
+ goto compare;
+ case 121:
+ resword = &wordlist[50];
+ goto compare;
+ case 122:
+ resword = &wordlist[51];
+ goto compare;
+ case 126:
+ resword = &wordlist[52];
+ goto compare;
+ case 129:
+ resword = &wordlist[53];
+ goto compare;
+ case 134:
+ resword = &wordlist[54];
+ goto compare;
+ case 135:
+ resword = &wordlist[55];
+ goto compare;
+ case 140:
+ resword = &wordlist[56];
+ goto compare;
+ case 144:
+ resword = &wordlist[57];
+ goto compare;
+ case 146:
+ resword = &wordlist[58];
+ goto compare;
+ case 149:
+ resword = &wordlist[59];
+ goto compare;
+ case 150:
+ resword = &wordlist[60];
+ goto compare;
+ case 151:
+ resword = &wordlist[61];
+ goto compare;
+ case 154:
+ resword = &wordlist[62];
+ goto compare;
+ case 164:
+ resword = &wordlist[63];
+ goto compare;
+ case 165:
+ resword = &wordlist[64];
+ goto compare;
+ case 166:
+ resword = &wordlist[65];
+ goto compare;
+ case 172:
+ resword = &wordlist[66];
+ goto compare;
+ case 174:
+ resword = &wordlist[67];
+ goto compare;
+ case 176:
+ resword = &wordlist[68];
+ goto compare;
+ case 177:
+ resword = &wordlist[69];
+ goto compare;
+ case 178:
+ resword = &wordlist[70];
+ goto compare;
+ case 180:
+ resword = &wordlist[71];
+ goto compare;
+ case 185:
+ resword = &wordlist[72];
+ goto compare;
+ case 191:
+ resword = &wordlist[73];
+ goto compare;
+ case 192:
+ resword = &wordlist[74];
+ goto compare;
+ case 193:
+ resword = &wordlist[75];
+ goto compare;
+ case 194:
+ resword = &wordlist[76];
+ goto compare;
+ case 196:
+ resword = &wordlist[77];
+ goto compare;
+ case 197:
+ resword = &wordlist[78];
+ goto compare;
+ case 198:
+ resword = &wordlist[79];
+ goto compare;
+ case 199:
+ resword = &wordlist[80];
+ goto compare;
+ case 201:
+ resword = &wordlist[81];
+ goto compare;
+ case 203:
+ resword = &wordlist[82];
+ goto compare;
+ case 207:
+ resword = &wordlist[83];
+ goto compare;
+ case 208:
+ resword = &wordlist[84];
+ goto compare;
+ case 209:
+ resword = &wordlist[85];
+ goto compare;
+ case 211:
+ resword = &wordlist[86];
+ goto compare;
+ case 213:
+ resword = &wordlist[87];
+ goto compare;
+ case 219:
+ resword = &wordlist[88];
+ goto compare;
+ case 220:
+ resword = &wordlist[89];
+ goto compare;
+ case 221:
+ resword = &wordlist[90];
+ goto compare;
+ case 222:
+ resword = &wordlist[91];
+ goto compare;
+ case 225:
+ resword = &wordlist[92];
+ goto compare;
+ case 228:
+ resword = &wordlist[93];
+ goto compare;
+ case 229:
+ resword = &wordlist[94];
+ goto compare;
+ case 230:
+ resword = &wordlist[95];
+ goto compare;
+ case 232:
+ resword = &wordlist[96];
+ goto compare;
+ case 236:
+ resword = &wordlist[97];
+ goto compare;
+ case 237:
+ resword = &wordlist[98];
+ goto compare;
+ case 238:
+ resword = &wordlist[99];
+ goto compare;
+ case 239:
+ resword = &wordlist[100];
+ goto compare;
+ case 240:
+ resword = &wordlist[101];
+ goto compare;
+ case 241:
+ resword = &wordlist[102];
+ goto compare;
+ case 254:
+ resword = &wordlist[103];
+ goto compare;
+ case 259:
+ resword = &wordlist[104];
+ goto compare;
+ case 260:
+ resword = &wordlist[105];
+ goto compare;
+ case 262:
+ resword = &wordlist[106];
+ goto compare;
+ case 263:
+ resword = &wordlist[107];
+ goto compare;
+ case 265:
+ resword = &wordlist[108];
+ goto compare;
+ case 267:
+ resword = &wordlist[109];
+ goto compare;
+ case 269:
+ resword = &wordlist[110];
+ goto compare;
+ case 270:
+ resword = &wordlist[111];
+ goto compare;
+ case 273:
+ resword = &wordlist[112];
+ goto compare;
+ case 274:
+ resword = &wordlist[113];
+ goto compare;
+ case 275:
+ resword = &wordlist[114];
+ goto compare;
+ case 277:
+ resword = &wordlist[115];
+ goto compare;
+ case 278:
+ resword = &wordlist[116];
+ goto compare;
+ case 279:
+ resword = &wordlist[117];
+ goto compare;
+ case 281:
+ resword = &wordlist[118];
+ goto compare;
+ case 282:
+ resword = &wordlist[119];
+ goto compare;
+ case 286:
+ resword = &wordlist[120];
+ goto compare;
+ case 289:
+ resword = &wordlist[121];
+ goto compare;
+ case 291:
+ resword = &wordlist[122];
+ goto compare;
+ case 297:
+ resword = &wordlist[123];
+ goto compare;
+ case 301:
+ resword = &wordlist[124];
+ goto compare;
+ case 304:
+ resword = &wordlist[125];
+ goto compare;
+ case 306:
+ resword = &wordlist[126];
+ goto compare;
+ case 311:
+ resword = &wordlist[127];
+ goto compare;
+ case 313:
+ resword = &wordlist[128];
+ goto compare;
+ case 316:
+ resword = &wordlist[129];
+ goto compare;
+ case 318:
+ resword = &wordlist[130];
+ goto compare;
+ case 319:
+ resword = &wordlist[131];
+ goto compare;
+ case 320:
+ resword = &wordlist[132];
+ goto compare;
+ case 321:
+ resword = &wordlist[133];
+ goto compare;
+ case 328:
+ resword = &wordlist[134];
+ goto compare;
+ case 330:
+ resword = &wordlist[135];
+ goto compare;
+ case 331:
+ resword = &wordlist[136];
+ goto compare;
+ case 332:
+ resword = &wordlist[137];
+ goto compare;
+ case 333:
+ resword = &wordlist[138];
+ goto compare;
+ case 334:
+ resword = &wordlist[139];
+ goto compare;
+ case 335:
+ resword = &wordlist[140];
+ goto compare;
+ case 337:
+ resword = &wordlist[141];
+ goto compare;
+ case 339:
+ resword = &wordlist[142];
+ goto compare;
+ case 340:
+ resword = &wordlist[143];
+ goto compare;
+ case 343:
+ resword = &wordlist[144];
+ goto compare;
+ case 344:
+ resword = &wordlist[145];
+ goto compare;
+ case 345:
+ resword = &wordlist[146];
+ goto compare;
+ case 347:
+ resword = &wordlist[147];
+ goto compare;
+ case 349:
+ resword = &wordlist[148];
+ goto compare;
+ case 351:
+ resword = &wordlist[149];
+ goto compare;
+ case 355:
+ resword = &wordlist[150];
+ goto compare;
+ case 356:
+ resword = &wordlist[151];
+ goto compare;
+ case 358:
+ resword = &wordlist[152];
+ goto compare;
+ case 360:
+ resword = &wordlist[153];
+ goto compare;
+ case 362:
+ resword = &wordlist[154];
+ goto compare;
+ case 363:
+ resword = &wordlist[155];
+ goto compare;
+ case 369:
+ resword = &wordlist[156];
+ goto compare;
+ case 370:
+ resword = &wordlist[157];
+ goto compare;
+ case 371:
+ resword = &wordlist[158];
+ goto compare;
+ case 372:
+ resword = &wordlist[159];
+ goto compare;
+ case 374:
+ resword = &wordlist[160];
+ goto compare;
+ case 380:
+ resword = &wordlist[161];
+ goto compare;
+ case 383:
+ resword = &wordlist[162];
+ goto compare;
+ case 384:
+ resword = &wordlist[163];
+ goto compare;
+ case 386:
+ resword = &wordlist[164];
+ goto compare;
+ case 393:
+ resword = &wordlist[165];
+ goto compare;
+ case 395:
+ resword = &wordlist[166];
+ goto compare;
+ case 396:
+ resword = &wordlist[167];
+ goto compare;
+ case 399:
+ resword = &wordlist[168];
+ goto compare;
+ case 400:
+ resword = &wordlist[169];
+ goto compare;
+ case 401:
+ resword = &wordlist[170];
+ goto compare;
+ case 414:
+ resword = &wordlist[171];
+ goto compare;
+ case 416:
+ resword = &wordlist[172];
+ goto compare;
+ case 417:
+ resword = &wordlist[173];
+ goto compare;
+ case 419:
+ resword = &wordlist[174];
+ goto compare;
+ case 422:
+ resword = &wordlist[175];
+ goto compare;
+ case 425:
+ resword = &wordlist[176];
+ goto compare;
+ case 426:
+ resword = &wordlist[177];
+ goto compare;
+ case 427:
+ resword = &wordlist[178];
+ goto compare;
+ case 430:
+ resword = &wordlist[179];
+ goto compare;
+ case 435:
+ resword = &wordlist[180];
+ goto compare;
+ case 436:
+ resword = &wordlist[181];
+ goto compare;
+ case 437:
+ resword = &wordlist[182];
+ goto compare;
+ case 438:
+ resword = &wordlist[183];
+ goto compare;
+ case 439:
+ resword = &wordlist[184];
+ goto compare;
+ case 440:
+ resword = &wordlist[185];
+ goto compare;
+ case 441:
+ resword = &wordlist[186];
+ goto compare;
+ case 442:
+ resword = &wordlist[187];
+ goto compare;
+ case 444:
+ resword = &wordlist[188];
+ goto compare;
+ case 445:
+ resword = &wordlist[189];
+ goto compare;
+ case 447:
+ resword = &wordlist[190];
+ goto compare;
+ case 448:
+ resword = &wordlist[191];
+ goto compare;
+ case 450:
+ resword = &wordlist[192];
+ goto compare;
+ case 455:
+ resword = &wordlist[193];
+ goto compare;
+ case 463:
+ resword = &wordlist[194];
+ goto compare;
+ case 464:
+ resword = &wordlist[195];
+ goto compare;
+ case 465:
+ resword = &wordlist[196];
+ goto compare;
+ case 466:
+ resword = &wordlist[197];
+ goto compare;
+ case 468:
+ resword = &wordlist[198];
+ goto compare;
+ case 469:
+ resword = &wordlist[199];
+ goto compare;
+ case 471:
+ resword = &wordlist[200];
+ goto compare;
+ case 475:
+ resword = &wordlist[201];
+ goto compare;
+ case 476:
+ resword = &wordlist[202];
+ goto compare;
+ case 477:
+ resword = &wordlist[203];
+ goto compare;
+ case 482:
+ resword = &wordlist[204];
+ goto compare;
+ case 483:
+ resword = &wordlist[205];
+ goto compare;
+ case 485:
+ resword = &wordlist[206];
+ goto compare;
+ case 489:
+ resword = &wordlist[207];
+ goto compare;
+ case 490:
+ resword = &wordlist[208];
+ goto compare;
+ case 492:
+ resword = &wordlist[209];
+ goto compare;
+ case 493:
+ resword = &wordlist[210];
+ goto compare;
+ case 494:
+ resword = &wordlist[211];
+ goto compare;
+ case 497:
+ resword = &wordlist[212];
+ goto compare;
+ case 498:
+ resword = &wordlist[213];
+ goto compare;
+ case 499:
+ resword = &wordlist[214];
+ goto compare;
+ case 500:
+ resword = &wordlist[215];
+ goto compare;
+ case 501:
+ resword = &wordlist[216];
+ goto compare;
+ case 502:
+ resword = &wordlist[217];
+ goto compare;
+ case 504:
+ resword = &wordlist[218];
+ goto compare;
+ case 505:
+ resword = &wordlist[219];
+ goto compare;
+ case 506:
+ resword = &wordlist[220];
+ goto compare;
+ case 507:
+ resword = &wordlist[221];
+ goto compare;
+ case 510:
+ resword = &wordlist[222];
+ goto compare;
+ case 511:
+ resword = &wordlist[223];
+ goto compare;
+ case 514:
+ resword = &wordlist[224];
+ goto compare;
+ case 515:
+ resword = &wordlist[225];
+ goto compare;
+ case 516:
+ resword = &wordlist[226];
+ goto compare;
+ case 518:
+ resword = &wordlist[227];
+ goto compare;
+ case 519:
+ resword = &wordlist[228];
+ goto compare;
+ case 520:
+ resword = &wordlist[229];
+ goto compare;
+ case 524:
+ resword = &wordlist[230];
+ goto compare;
+ case 525:
+ resword = &wordlist[231];
+ goto compare;
+ case 527:
+ resword = &wordlist[232];
+ goto compare;
+ case 528:
+ resword = &wordlist[233];
+ goto compare;
+ case 529:
+ resword = &wordlist[234];
+ goto compare;
+ case 530:
+ resword = &wordlist[235];
+ goto compare;
+ case 531:
+ resword = &wordlist[236];
+ goto compare;
+ case 535:
+ resword = &wordlist[237];
+ goto compare;
+ case 537:
+ resword = &wordlist[238];
+ goto compare;
+ case 538:
+ resword = &wordlist[239];
+ goto compare;
+ case 543:
+ resword = &wordlist[240];
+ goto compare;
+ case 545:
+ resword = &wordlist[241];
+ goto compare;
+ case 546:
+ resword = &wordlist[242];
+ goto compare;
+ case 547:
+ resword = &wordlist[243];
+ goto compare;
+ case 551:
+ resword = &wordlist[244];
+ goto compare;
+ case 552:
+ resword = &wordlist[245];
+ goto compare;
+ case 553:
+ resword = &wordlist[246];
+ goto compare;
+ case 554:
+ resword = &wordlist[247];
+ goto compare;
+ case 555:
+ resword = &wordlist[248];
+ goto compare;
+ case 557:
+ resword = &wordlist[249];
+ goto compare;
+ case 558:
+ resword = &wordlist[250];
+ goto compare;
+ case 560:
+ resword = &wordlist[251];
+ goto compare;
+ case 562:
+ resword = &wordlist[252];
+ goto compare;
+ case 564:
+ resword = &wordlist[253];
+ goto compare;
+ case 565:
+ resword = &wordlist[254];
+ goto compare;
+ case 567:
+ resword = &wordlist[255];
+ goto compare;
+ case 570:
+ resword = &wordlist[256];
+ goto compare;
+ case 571:
+ resword = &wordlist[257];
+ goto compare;
+ case 574:
+ resword = &wordlist[258];
+ goto compare;
+ case 575:
+ resword = &wordlist[259];
+ goto compare;
+ case 577:
+ resword = &wordlist[260];
+ goto compare;
+ case 578:
+ resword = &wordlist[261];
+ goto compare;
+ case 579:
+ resword = &wordlist[262];
+ goto compare;
+ case 580:
+ resword = &wordlist[263];
+ goto compare;
+ case 581:
+ resword = &wordlist[264];
+ goto compare;
+ case 582:
+ resword = &wordlist[265];
+ goto compare;
+ case 586:
+ resword = &wordlist[266];
+ goto compare;
+ case 587:
+ resword = &wordlist[267];
+ goto compare;
+ case 588:
+ resword = &wordlist[268];
+ goto compare;
+ case 589:
+ resword = &wordlist[269];
+ goto compare;
+ case 592:
+ resword = &wordlist[270];
+ goto compare;
+ case 593:
+ resword = &wordlist[271];
+ goto compare;
+ case 594:
+ resword = &wordlist[272];
+ goto compare;
+ case 595:
+ resword = &wordlist[273];
+ goto compare;
+ case 596:
+ resword = &wordlist[274];
+ goto compare;
+ case 597:
+ resword = &wordlist[275];
+ goto compare;
+ case 601:
+ resword = &wordlist[276];
+ goto compare;
+ case 603:
+ resword = &wordlist[277];
+ goto compare;
+ case 607:
+ resword = &wordlist[278];
+ goto compare;
+ case 608:
+ resword = &wordlist[279];
+ goto compare;
+ case 623:
+ resword = &wordlist[280];
+ goto compare;
+ case 627:
+ resword = &wordlist[281];
+ goto compare;
+ case 628:
+ resword = &wordlist[282];
+ goto compare;
+ case 629:
+ resword = &wordlist[283];
+ goto compare;
+ case 631:
+ resword = &wordlist[284];
+ goto compare;
+ case 634:
+ resword = &wordlist[285];
+ goto compare;
+ case 636:
+ resword = &wordlist[286];
+ goto compare;
+ case 637:
+ resword = &wordlist[287];
+ goto compare;
+ case 639:
+ resword = &wordlist[288];
+ goto compare;
+ case 646:
+ resword = &wordlist[289];
+ goto compare;
+ case 647:
+ resword = &wordlist[290];
+ goto compare;
+ case 654:
+ resword = &wordlist[291];
+ goto compare;
+ case 656:
+ resword = &wordlist[292];
+ goto compare;
+ case 657:
+ resword = &wordlist[293];
+ goto compare;
+ case 661:
+ resword = &wordlist[294];
+ goto compare;
+ case 663:
+ resword = &wordlist[295];
+ goto compare;
+ case 664:
+ resword = &wordlist[296];
+ goto compare;
+ case 665:
+ resword = &wordlist[297];
+ goto compare;
+ case 669:
+ resword = &wordlist[298];
+ goto compare;
+ case 672:
+ resword = &wordlist[299];
+ goto compare;
+ case 677:
+ resword = &wordlist[300];
+ goto compare;
+ case 679:
+ resword = &wordlist[301];
+ goto compare;
+ case 680:
+ resword = &wordlist[302];
+ goto compare;
+ case 685:
+ resword = &wordlist[303];
+ goto compare;
+ case 686:
+ resword = &wordlist[304];
+ goto compare;
+ case 688:
+ resword = &wordlist[305];
+ goto compare;
+ case 689:
+ resword = &wordlist[306];
+ goto compare;
+ case 690:
+ resword = &wordlist[307];
+ goto compare;
+ case 693:
+ resword = &wordlist[308];
+ goto compare;
+ case 696:
+ resword = &wordlist[309];
+ goto compare;
+ case 698:
+ resword = &wordlist[310];
+ goto compare;
+ case 699:
+ resword = &wordlist[311];
+ goto compare;
+ case 700:
+ resword = &wordlist[312];
+ goto compare;
+ case 702:
+ resword = &wordlist[313];
+ goto compare;
+ case 707:
+ resword = &wordlist[314];
+ goto compare;
+ case 708:
+ resword = &wordlist[315];
+ goto compare;
+ case 710:
+ resword = &wordlist[316];
+ goto compare;
+ case 711:
+ resword = &wordlist[317];
+ goto compare;
+ case 712:
+ resword = &wordlist[318];
+ goto compare;
+ case 713:
+ resword = &wordlist[319];
+ goto compare;
+ case 714:
+ resword = &wordlist[320];
+ goto compare;
+ case 718:
+ resword = &wordlist[321];
+ goto compare;
+ case 725:
+ resword = &wordlist[322];
+ goto compare;
+ case 726:
+ resword = &wordlist[323];
+ goto compare;
+ case 730:
+ resword = &wordlist[324];
+ goto compare;
+ case 732:
+ resword = &wordlist[325];
+ goto compare;
+ case 735:
+ resword = &wordlist[326];
+ goto compare;
+ case 742:
+ resword = &wordlist[327];
+ goto compare;
+ case 744:
+ resword = &wordlist[328];
+ goto compare;
+ case 745:
+ resword = &wordlist[329];
+ goto compare;
+ case 746:
+ resword = &wordlist[330];
+ goto compare;
+ case 747:
+ resword = &wordlist[331];
+ goto compare;
+ case 748:
+ resword = &wordlist[332];
+ goto compare;
+ case 750:
+ resword = &wordlist[333];
+ goto compare;
+ case 754:
+ resword = &wordlist[334];
+ goto compare;
+ case 760:
+ resword = &wordlist[335];
+ goto compare;
+ case 764:
+ resword = &wordlist[336];
+ goto compare;
+ case 766:
+ resword = &wordlist[337];
+ goto compare;
+ case 768:
+ resword = &wordlist[338];
+ goto compare;
+ case 775:
+ resword = &wordlist[339];
+ goto compare;
+ case 776:
+ resword = &wordlist[340];
+ goto compare;
+ case 779:
+ resword = &wordlist[341];
+ goto compare;
+ case 782:
+ resword = &wordlist[342];
+ goto compare;
+ case 783:
+ resword = &wordlist[343];
+ goto compare;
+ case 785:
+ resword = &wordlist[344];
+ goto compare;
+ case 788:
+ resword = &wordlist[345];
+ goto compare;
+ case 796:
+ resword = &wordlist[346];
+ goto compare;
+ case 799:
+ resword = &wordlist[347];
+ goto compare;
+ case 801:
+ resword = &wordlist[348];
+ goto compare;
+ case 807:
+ resword = &wordlist[349];
+ goto compare;
+ case 808:
+ resword = &wordlist[350];
+ goto compare;
+ case 810:
+ resword = &wordlist[351];
+ goto compare;
+ case 816:
+ resword = &wordlist[352];
+ goto compare;
+ case 817:
+ resword = &wordlist[353];
+ goto compare;
+ case 823:
+ resword = &wordlist[354];
+ goto compare;
+ case 825:
+ resword = &wordlist[355];
+ goto compare;
+ case 826:
+ resword = &wordlist[356];
+ goto compare;
+ case 830:
+ resword = &wordlist[357];
+ goto compare;
+ case 832:
+ resword = &wordlist[358];
+ goto compare;
+ case 838:
+ resword = &wordlist[359];
+ goto compare;
+ case 848:
+ resword = &wordlist[360];
+ goto compare;
+ case 849:
+ resword = &wordlist[361];
+ goto compare;
+ case 850:
+ resword = &wordlist[362];
+ goto compare;
+ case 853:
+ resword = &wordlist[363];
+ goto compare;
+ case 854:
+ resword = &wordlist[364];
+ goto compare;
+ case 859:
+ resword = &wordlist[365];
+ goto compare;
+ case 860:
+ resword = &wordlist[366];
+ goto compare;
+ case 861:
+ resword = &wordlist[367];
+ goto compare;
+ case 862:
+ resword = &wordlist[368];
+ goto compare;
+ case 864:
+ resword = &wordlist[369];
+ goto compare;
+ case 865:
+ resword = &wordlist[370];
+ goto compare;
+ case 866:
+ resword = &wordlist[371];
+ goto compare;
+ case 868:
+ resword = &wordlist[372];
+ goto compare;
+ case 870:
+ resword = &wordlist[373];
+ goto compare;
+ case 879:
+ resword = &wordlist[374];
+ goto compare;
+ case 884:
+ resword = &wordlist[375];
+ goto compare;
+ case 885:
+ resword = &wordlist[376];
+ goto compare;
+ case 891:
+ resword = &wordlist[377];
+ goto compare;
+ case 892:
+ resword = &wordlist[378];
+ goto compare;
+ case 895:
+ resword = &wordlist[379];
+ goto compare;
+ case 899:
+ resword = &wordlist[380];
+ goto compare;
+ case 902:
+ resword = &wordlist[381];
+ goto compare;
+ case 905:
+ resword = &wordlist[382];
+ goto compare;
+ case 906:
+ resword = &wordlist[383];
+ goto compare;
+ case 907:
+ resword = &wordlist[384];
+ goto compare;
+ case 909:
+ resword = &wordlist[385];
+ goto compare;
+ case 910:
+ resword = &wordlist[386];
+ goto compare;
+ case 916:
+ resword = &wordlist[387];
+ goto compare;
+ case 917:
+ resword = &wordlist[388];
+ goto compare;
+ case 920:
+ resword = &wordlist[389];
+ goto compare;
+ case 923:
+ resword = &wordlist[390];
+ goto compare;
+ case 924:
+ resword = &wordlist[391];
+ goto compare;
+ case 925:
+ resword = &wordlist[392];
+ goto compare;
+ case 927:
+ resword = &wordlist[393];
+ goto compare;
+ case 932:
+ resword = &wordlist[394];
+ goto compare;
+ case 936:
+ resword = &wordlist[395];
+ goto compare;
+ case 937:
+ resword = &wordlist[396];
+ goto compare;
+ case 957:
+ resword = &wordlist[397];
+ goto compare;
+ case 965:
+ resword = &wordlist[398];
+ goto compare;
+ case 966:
+ resword = &wordlist[399];
+ goto compare;
+ case 968:
+ resword = &wordlist[400];
+ goto compare;
+ case 973:
+ resword = &wordlist[401];
+ goto compare;
+ case 976:
+ resword = &wordlist[402];
+ goto compare;
+ case 983:
+ resword = &wordlist[403];
+ goto compare;
+ case 985:
+ resword = &wordlist[404];
+ goto compare;
+ case 988:
+ resword = &wordlist[405];
+ goto compare;
+ case 989:
+ resword = &wordlist[406];
+ goto compare;
+ case 990:
+ resword = &wordlist[407];
+ goto compare;
+ case 991:
+ resword = &wordlist[408];
+ goto compare;
+ case 996:
+ resword = &wordlist[409];
+ goto compare;
+ case 997:
+ resword = &wordlist[410];
+ goto compare;
+ case 999:
+ resword = &wordlist[411];
+ goto compare;
+ case 1007:
+ resword = &wordlist[412];
+ goto compare;
+ case 1019:
+ resword = &wordlist[413];
+ goto compare;
+ case 1029:
+ resword = &wordlist[414];
+ goto compare;
+ case 1031:
+ resword = &wordlist[415];
+ goto compare;
+ case 1038:
+ resword = &wordlist[416];
+ goto compare;
+ case 1039:
+ resword = &wordlist[417];
+ goto compare;
+ case 1041:
+ resword = &wordlist[418];
+ goto compare;
+ case 1044:
+ resword = &wordlist[419];
+ goto compare;
+ case 1045:
+ resword = &wordlist[420];
+ goto compare;
+ case 1046:
+ resword = &wordlist[421];
+ goto compare;
+ case 1051:
+ resword = &wordlist[422];
+ goto compare;
+ case 1054:
+ resword = &wordlist[423];
+ goto compare;
+ case 1061:
+ resword = &wordlist[424];
+ goto compare;
+ case 1063:
+ resword = &wordlist[425];
+ goto compare;
+ case 1064:
+ resword = &wordlist[426];
+ goto compare;
+ case 1066:
+ resword = &wordlist[427];
+ goto compare;
+ case 1095:
+ resword = &wordlist[428];
+ goto compare;
+ case 1096:
+ resword = &wordlist[429];
+ goto compare;
+ case 1100:
+ resword = &wordlist[430];
+ goto compare;
+ case 1101:
+ resword = &wordlist[431];
+ goto compare;
+ case 1102:
+ resword = &wordlist[432];
+ goto compare;
+ case 1123:
+ resword = &wordlist[433];
+ goto compare;
+ case 1127:
+ resword = &wordlist[434];
+ goto compare;
+ case 1136:
+ resword = &wordlist[435];
+ goto compare;
+ case 1143:
+ resword = &wordlist[436];
+ goto compare;
+ case 1157:
+ resword = &wordlist[437];
+ goto compare;
+ case 1160:
+ resword = &wordlist[438];
+ goto compare;
+ case 1165:
+ resword = &wordlist[439];
+ goto compare;
+ case 1167:
+ resword = &wordlist[440];
+ goto compare;
+ case 1177:
+ resword = &wordlist[441];
+ goto compare;
+ case 1195:
+ resword = &wordlist[442];
+ goto compare;
+ case 1218:
+ resword = &wordlist[443];
+ goto compare;
+ case 1242:
+ resword = &wordlist[444];
+ goto compare;
+ case 1252:
+ resword = &wordlist[445];
+ goto compare;
+ case 1256:
+ resword = &wordlist[446];
+ goto compare;
+ case 1264:
+ resword = &wordlist[447];
+ goto compare;
+ case 1281:
+ resword = &wordlist[448];
+ goto compare;
+ case 1290:
+ resword = &wordlist[449];
+ goto compare;
+ case 1291:
+ resword = &wordlist[450];
+ goto compare;
+ case 1313:
+ resword = &wordlist[451];
+ goto compare;
+ case 1323:
+ resword = &wordlist[452];
+ goto compare;
+ case 1341:
+ resword = &wordlist[453];
+ goto compare;
+ case 1346:
+ resword = &wordlist[454];
+ goto compare;
+ case 1359:
+ resword = &wordlist[455];
+ goto compare;
+ case 1361:
+ resword = &wordlist[456];
+ goto compare;
+ case 1375:
+ resword = &wordlist[457];
+ goto compare;
+ case 1381:
+ resword = &wordlist[458];
+ goto compare;
+ case 1395:
+ resword = &wordlist[459];
+ goto compare;
+ case 1407:
+ resword = &wordlist[460];
+ goto compare;
+ case 1412:
+ resword = &wordlist[461];
+ goto compare;
+ case 1430:
+ resword = &wordlist[462];
+ goto compare;
+ case 1448:
+ resword = &wordlist[463];
+ goto compare;
+ case 1458:
+ resword = &wordlist[464];
+ goto compare;
+ case 1466:
+ resword = &wordlist[465];
+ goto compare;
+ case 1470:
+ resword = &wordlist[466];
+ goto compare;
+ case 1478:
+ resword = &wordlist[467];
+ goto compare;
+ case 1492:
+ resword = &wordlist[468];
+ goto compare;
+ case 1499:
+ resword = &wordlist[469];
+ goto compare;
+ case 1507:
+ resword = &wordlist[470];
+ goto compare;
+ case 1521:
+ resword = &wordlist[471];
+ goto compare;
+ case 1543:
+ resword = &wordlist[472];
+ goto compare;
+ case 1546:
+ resword = &wordlist[473];
+ goto compare;
+ case 1549:
+ resword = &wordlist[474];
+ goto compare;
+ case 1580:
+ resword = &wordlist[475];
+ goto compare;
+ case 1586:
+ resword = &wordlist[476];
+ goto compare;
+ case 1591:
+ resword = &wordlist[477];
+ goto compare;
+ case 1605:
+ resword = &wordlist[478];
+ goto compare;
+ case 1620:
+ resword = &wordlist[479];
+ goto compare;
+ case 1633:
+ resword = &wordlist[480];
+ goto compare;
+ case 1640:
+ resword = &wordlist[481];
+ goto compare;
+ case 1753:
+ resword = &wordlist[482];
+ goto compare;
+ case 1767:
+ resword = &wordlist[483];
+ goto compare;
+ case 1821:
+ resword = &wordlist[484];
+ goto compare;
+ case 1825:
+ resword = &wordlist[485];
+ goto compare;
+ case 1850:
+ resword = &wordlist[486];
+ goto compare;
+ }
+ return 0;
+ compare:
+ {
+ register const char *s = resword->name + stringpool;
+
+ if (*str == *s && !strcmp (str + 1, s + 1))
+ return resword;
+ }
+ }
+ }
+ return 0;
+}
+#line 518 "syscalls.perf"
+
+
+static int syscall_get_offset_value(const struct arch_syscall_table *s,
+ int offset)
+{
+ return *(int *)((char *)s + offset);
+}
+
+int syscall_resolve_name(const char *name, int offset)
+{
+ const struct arch_syscall_table *s;
+
+ s = in_word_set(name, strlen(name));
+ if (s == NULL)
+ return __NR_SCMP_ERROR;
+
+ return syscall_get_offset_value(s, offset);
+}
+
+const char *syscall_resolve_num(int num, int offset)
+{
+ unsigned int iter;
+
+ for (iter = 0; iter < sizeof(wordlist)/sizeof(wordlist[0]); iter++) {
+ if (syscall_get_offset_value(&wordlist[iter], offset) == num)
+ return (stringpool + wordlist[iter].name);
+ }
+
+ return NULL;
+}
+
+const struct arch_syscall_def *syscall_iterate(unsigned int spot, int offset)
+{
+ unsigned int iter;
+ /* this is thread-unsafe, only use for testing */
+ static struct arch_syscall_def arch_def;
+
+ arch_def.name = NULL;
+ arch_def.num = __NR_SCMP_ERROR;
+
+ for (iter = 0; iter < sizeof(wordlist)/sizeof(wordlist[0]); iter++) {
+ if (wordlist[iter].index == spot) {
+ arch_def.name = stringpool + wordlist[iter].name;
+ arch_def.num = syscall_get_offset_value(&wordlist[iter],
+ offset);
+ return &arch_def;
+ }
+ }
+
+ return &arch_def;
+}
diff --git a/src/syscalls.perf.template b/src/syscalls.perf.template
new file mode 100644
index 0000000..f1fd3db
--- /dev/null
+++ b/src/syscalls.perf.template
@@ -0,0 +1,82 @@
+%{
+/**
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Copyright (c) 2020 Red Hat <gscrivan@redhat.com>
+ * Authors: Paul Moore <paul@paul-moore.com>
+ * Giuseppe Scrivano <gscrivan@redhat.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <seccomp.h>
+#include <string.h>
+#include "syscalls.h"
+
+%}
+struct arch_syscall_table;
+
+%%
+@@SYSCALLS_TABLE@@
+%%
+
+static int syscall_get_offset_value(const struct arch_syscall_table *s,
+ int offset)
+{
+ return *(int *)((char *)s + offset);
+}
+
+int syscall_resolve_name(const char *name, int offset)
+{
+ const struct arch_syscall_table *s;
+
+ s = in_word_set(name, strlen(name));
+ if (s == NULL)
+ return __NR_SCMP_ERROR;
+
+ return syscall_get_offset_value(s, offset);
+}
+
+const char *syscall_resolve_num(int num, int offset)
+{
+ unsigned int iter;
+
+ for (iter = 0; iter < sizeof(wordlist)/sizeof(wordlist[0]); iter++) {
+ if (syscall_get_offset_value(&wordlist[iter], offset) == num)
+ return (stringpool + wordlist[iter].name);
+ }
+
+ return NULL;
+}
+
+const struct arch_syscall_def *syscall_iterate(unsigned int spot, int offset)
+{
+ unsigned int iter;
+ /* this is thread-unsafe, only use for testing */
+ static struct arch_syscall_def arch_def;
+
+ arch_def.name = NULL;
+ arch_def.num = __NR_SCMP_ERROR;
+
+ for (iter = 0; iter < sizeof(wordlist)/sizeof(wordlist[0]); iter++) {
+ if (wordlist[iter].index == spot) {
+ arch_def.name = stringpool + wordlist[iter].name;
+ arch_def.num = syscall_get_offset_value(&wordlist[iter],
+ offset);
+ return &arch_def;
+ }
+ }
+
+ return &arch_def;
+}
diff --git a/src/system.c b/src/system.c
new file mode 100644
index 0000000..ae445bf
--- /dev/null
+++ b/src/system.c
@@ -0,0 +1,554 @@
+/**
+ * Seccomp System Interfaces
+ *
+ * Copyright (c) 2014 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/prctl.h>
+
+#define _GNU_SOURCE
+#include <unistd.h>
+
+#include "system.h"
+
+#include <seccomp.h>
+
+#include "arch.h"
+#include "db.h"
+#include "gen_bpf.h"
+#include "helper.h"
+
+/* NOTE: the seccomp syscall allowlist is currently disabled for testing
+ * purposes, but unless we can verify all of the supported ABIs before
+ * our next release we may have to enable the allowlist */
+#define SYSCALL_ALLOWLIST_ENABLE 0
+
+/* task global state */
+struct task_state {
+ /* seccomp(2) syscall */
+ int nr_seccomp;
+
+ /* userspace notification fd */
+ int notify_fd;
+
+ /* runtime support flags */
+ int sup_syscall;
+ int sup_flag_tsync;
+ int sup_flag_log;
+ int sup_action_log;
+ int sup_kill_process;
+ int sup_flag_spec_allow;
+ int sup_flag_new_listener;
+ int sup_user_notif;
+ int sup_flag_tsync_esrch;
+};
+static struct task_state state = {
+ .nr_seccomp = -1,
+
+ .notify_fd = -1,
+
+ .sup_syscall = -1,
+ .sup_flag_tsync = -1,
+ .sup_flag_log = -1,
+ .sup_action_log = -1,
+ .sup_kill_process = -1,
+ .sup_flag_spec_allow = -1,
+ .sup_flag_new_listener = -1,
+ .sup_user_notif = -1,
+ .sup_flag_tsync_esrch = -1,
+};
+
+/**
+ * Reset the task state
+ *
+ * This function fully resets the library's global "system task state".
+ *
+ */
+void sys_reset_state(void)
+{
+ state.nr_seccomp = -1;
+
+ if (state.notify_fd > 0)
+ close(state.notify_fd);
+ state.notify_fd = -1;
+
+ state.sup_syscall = -1;
+ state.sup_flag_tsync = -1;
+ state.sup_flag_log = -1;
+ state.sup_action_log = -1;
+ state.sup_kill_process = -1;
+ state.sup_flag_spec_allow = -1;
+ state.sup_flag_new_listener = -1;
+ state.sup_user_notif = -1;
+ state.sup_flag_tsync_esrch = -1;
+}
+
+/**
+ * Check to see if the seccomp() syscall is supported
+ *
+ * This function attempts to see if the system supports the seccomp() syscall.
+ * Unfortunately, there are a few reasons why this check may fail, including
+ * a previously loaded seccomp filter, so it is hard to say for certain.
+ * Return one if the syscall is supported, zero otherwise.
+ *
+ */
+int sys_chk_seccomp_syscall(void)
+{
+ int rc;
+ int nr_seccomp;
+
+ /* NOTE: it is reasonably safe to assume that we should be able to call
+ * seccomp() when the caller first starts, but we can't rely on
+ * it later so we need to cache our findings for use later */
+ if (state.sup_syscall >= 0)
+ return state.sup_syscall;
+
+#if SYSCALL_ALLOWLIST_ENABLE
+ /* architecture allowlist */
+ switch (arch_def_native->token) {
+ case SCMP_ARCH_X86_64:
+ case SCMP_ARCH_ARM:
+ case SCMP_ARCH_AARCH64:
+ case SCMP_ARCH_PPC64:
+ case SCMP_ARCH_PPC64LE:
+ case SCMP_ARCH_S390:
+ case SCMP_ARCH_S390X:
+ case SCMP_ARCH_RISCV64:
+ break;
+ default:
+ goto unsupported;
+ }
+#endif
+
+ nr_seccomp = arch_syscall_resolve_name(arch_def_native, "seccomp");
+ if (nr_seccomp < 0)
+ goto unsupported;
+
+ /* this is an invalid call because the second argument is non-zero, but
+ * depending on the errno value of ENOSYS or EINVAL we can guess if the
+ * seccomp() syscall is supported or not */
+ rc = syscall(nr_seccomp, SECCOMP_SET_MODE_STRICT, 1, NULL);
+ if (rc < 0 && errno == EINVAL)
+ goto supported;
+
+unsupported:
+ state.sup_syscall = 0;
+ return 0;
+supported:
+ state.nr_seccomp = nr_seccomp;
+ state.sup_syscall = 1;
+ return 1;
+}
+
+/**
+ * Force the seccomp() syscall support setting
+ * @param enable the intended support state
+ *
+ * This function overrides the current seccomp() syscall support setting; this
+ * is very much a "use at your own risk" function.
+ *
+ */
+void sys_set_seccomp_syscall(bool enable)
+{
+ state.sup_syscall = (enable ? 1 : 0);
+}
+
+/**
+ * Check to see if a seccomp action is supported
+ * @param action the seccomp action
+ *
+ * This function checks to see if a seccomp action is supported by the system.
+ * Return one if the action is supported, zero otherwise.
+ *
+ */
+int sys_chk_seccomp_action(uint32_t action)
+{
+ if (action == SCMP_ACT_KILL_PROCESS) {
+ if (state.sup_kill_process < 0) {
+ if (sys_chk_seccomp_syscall() == 1 &&
+ syscall(state.nr_seccomp,
+ SECCOMP_GET_ACTION_AVAIL, 0, &action) == 0)
+ state.sup_kill_process = 1;
+ else
+ state.sup_kill_process = 0;
+ }
+
+ return state.sup_kill_process;
+ } else if (action == SCMP_ACT_KILL_THREAD) {
+ return 1;
+ } else if (action == SCMP_ACT_TRAP) {
+ return 1;
+ } else if ((action == SCMP_ACT_ERRNO(action & 0x0000ffff)) &&
+ ((action & 0x0000ffff) < MAX_ERRNO)) {
+ return 1;
+ } else if (action == SCMP_ACT_TRACE(action & 0x0000ffff)) {
+ return 1;
+ } else if (action == SCMP_ACT_LOG) {
+ if (state.sup_action_log < 0) {
+ if (sys_chk_seccomp_syscall() == 1 &&
+ syscall(state.nr_seccomp,
+ SECCOMP_GET_ACTION_AVAIL, 0, &action) == 0)
+ state.sup_action_log = 1;
+ else
+ state.sup_action_log = 0;
+ }
+
+ return state.sup_action_log;
+ } else if (action == SCMP_ACT_ALLOW) {
+ return 1;
+ } else if (action == SCMP_ACT_NOTIFY) {
+ if (state.sup_user_notif < 0) {
+ struct seccomp_notif_sizes sizes;
+ if (sys_chk_seccomp_syscall() == 1 &&
+ syscall(state.nr_seccomp,
+ SECCOMP_GET_NOTIF_SIZES, 0, &sizes) == 0)
+ state.sup_user_notif = 1;
+ else
+ state.sup_user_notif = 0;
+ }
+
+ return state.sup_user_notif;
+ }
+
+ return 0;
+}
+
+/**
+ * Force a seccomp action support setting
+ * @param action the seccomp action
+ * @param enable the intended support state
+ *
+ * This function overrides the current seccomp action support setting; this
+ * is very much a "use at your own risk" function.
+ */
+void sys_set_seccomp_action(uint32_t action, bool enable)
+{
+ switch (action) {
+ case SCMP_ACT_LOG:
+ state.sup_action_log = (enable ? 1 : 0);
+ break;
+ case SCMP_ACT_KILL_PROCESS:
+ state.sup_kill_process = (enable ? 1 : 0);
+ break;
+ case SCMP_ACT_NOTIFY:
+ state.sup_user_notif = (enable ? 1 : 0);
+ break;
+ }
+}
+
+/**
+ * Check to see if a seccomp() flag is supported by the kernel
+ * @param flag the seccomp() flag
+ *
+ * This function checks to see if a seccomp() flag is supported by the kernel.
+ * Return one if the flag is supported, zero otherwise.
+ *
+ */
+static int _sys_chk_flag_kernel(int flag)
+{
+ /* this is an invalid seccomp(2) call because the last argument
+ * is NULL, but depending on the errno value of EFAULT we can
+ * guess if the filter flag is supported or not */
+ if (sys_chk_seccomp_syscall() == 1 &&
+ syscall(state.nr_seccomp,
+ SECCOMP_SET_MODE_FILTER, flag, NULL) == -1 &&
+ errno == EFAULT)
+ return 1;
+
+ return 0;
+}
+
+/**
+ * Check to see if a seccomp() flag is supported
+ * @param flag the seccomp() flag
+ *
+ * This function checks to see if a seccomp() flag is supported by the system.
+ * Return one if the syscall is supported, zero if unsupported, negative values
+ * on error.
+ *
+ */
+int sys_chk_seccomp_flag(int flag)
+{
+ switch (flag) {
+ case SECCOMP_FILTER_FLAG_TSYNC:
+ if (state.sup_flag_tsync < 0)
+ state.sup_flag_tsync = _sys_chk_flag_kernel(flag);
+ return state.sup_flag_tsync;
+ case SECCOMP_FILTER_FLAG_LOG:
+ if (state.sup_flag_log < 0)
+ state.sup_flag_log = _sys_chk_flag_kernel(flag);
+ return state.sup_flag_log;
+ case SECCOMP_FILTER_FLAG_SPEC_ALLOW:
+ if (state.sup_flag_spec_allow < 0)
+ state.sup_flag_spec_allow = _sys_chk_flag_kernel(flag);
+ return state.sup_flag_spec_allow;
+ case SECCOMP_FILTER_FLAG_NEW_LISTENER:
+ if (state.sup_flag_new_listener < 0)
+ state.sup_flag_new_listener = _sys_chk_flag_kernel(flag);
+ return state.sup_flag_new_listener;
+ case SECCOMP_FILTER_FLAG_TSYNC_ESRCH:
+ if (state.sup_flag_tsync_esrch < 0)
+ state.sup_flag_tsync_esrch = _sys_chk_flag_kernel(flag);
+ return state.sup_flag_tsync_esrch;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+/**
+ * Force a seccomp() syscall flag support setting
+ * @param flag the seccomp() flag
+ * @param enable the intended support state
+ *
+ * This function overrides the current seccomp() syscall support setting for a
+ * given flag; this is very much a "use at your own risk" function.
+ *
+ */
+void sys_set_seccomp_flag(int flag, bool enable)
+{
+ switch (flag) {
+ case SECCOMP_FILTER_FLAG_TSYNC:
+ state.sup_flag_tsync = (enable ? 1 : 0);
+ break;
+ case SECCOMP_FILTER_FLAG_LOG:
+ state.sup_flag_log = (enable ? 1 : 0);
+ break;
+ case SECCOMP_FILTER_FLAG_SPEC_ALLOW:
+ state.sup_flag_spec_allow = (enable ? 1 : 0);
+ break;
+ case SECCOMP_FILTER_FLAG_NEW_LISTENER:
+ state.sup_flag_new_listener = (enable ? 1 : 0);
+ break;
+ case SECCOMP_FILTER_FLAG_TSYNC_ESRCH:
+ state.sup_flag_tsync_esrch = (enable ? 1 : 0);
+ break;
+ }
+}
+
+/**
+ * Loads the filter into the kernel
+ * @param col the filter collection
+ * @param rawrc pass the raw return code if true
+ *
+ * This function loads the given seccomp filter context into the kernel. If
+ * the filter was loaded correctly, the kernel will be enforcing the filter
+ * when this function returns. Returns zero on success, negative values on
+ * error.
+ *
+ */
+int sys_filter_load(struct db_filter_col *col, bool rawrc)
+{
+ int rc;
+ bool tsync_notify;
+ bool listener_req;
+ struct bpf_program *prgm = NULL;
+
+ rc = gen_bpf_generate(col, &prgm);
+ if (rc < 0)
+ return rc;
+
+ /* attempt to set NO_NEW_PRIVS */
+ if (col->attr.nnp_enable) {
+ rc = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
+ if (rc < 0)
+ goto filter_load_out;
+ }
+
+ tsync_notify = state.sup_flag_tsync_esrch > 0 && state.notify_fd == -1;
+ listener_req = state.sup_user_notif > 0 && \
+ col->notify_used && state.notify_fd == -1;
+
+ /* load the filter into the kernel */
+ if (sys_chk_seccomp_syscall() == 1) {
+ int flgs = 0;
+ if (tsync_notify) {
+ if (col->attr.tsync_enable)
+ flgs |= SECCOMP_FILTER_FLAG_TSYNC | \
+ SECCOMP_FILTER_FLAG_TSYNC_ESRCH;
+ if (listener_req)
+ flgs |= SECCOMP_FILTER_FLAG_NEW_LISTENER;
+ } else if (col->attr.tsync_enable) {
+ if (listener_req) {
+ /* NOTE: we _should_ catch this in db.c */
+ rc = -EFAULT;
+ goto filter_load_out;
+ }
+ flgs |= SECCOMP_FILTER_FLAG_TSYNC;
+ } else if (listener_req)
+ flgs |= SECCOMP_FILTER_FLAG_NEW_LISTENER;
+ if (col->attr.log_enable)
+ flgs |= SECCOMP_FILTER_FLAG_LOG;
+ if (col->attr.spec_allow)
+ flgs |= SECCOMP_FILTER_FLAG_SPEC_ALLOW;
+ rc = syscall(state.nr_seccomp,
+ SECCOMP_SET_MODE_FILTER, flgs, prgm);
+ if (tsync_notify && rc > 0) {
+ /* return 0 on NEW_LISTENER success, but save the fd */
+ state.notify_fd = rc;
+ rc = 0;
+ } else if (rc > 0 && col->attr.tsync_enable) {
+ /* always return -ESRCH if we fail to sync threads */
+ errno = ESRCH;
+ rc = -errno;
+ } else if (rc > 0 && state.sup_user_notif > 0) {
+ /* return 0 on NEW_LISTENER success, but save the fd */
+ state.notify_fd = rc;
+ rc = 0;
+ }
+ } else
+ rc = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, prgm);
+
+filter_load_out:
+ /* cleanup and return */
+ gen_bpf_release(prgm);
+ if (rc == -ESRCH)
+ return -ESRCH;
+ if (rc < 0)
+ return (rawrc ? -errno : -ECANCELED);
+ return rc;
+}
+
+/**
+ * Return the userspace notification fd
+ *
+ * This function returns the userspace notification fd from
+ * SECCOMP_FILTER_FLAG_NEW_LISTENER. If the notification fd has not yet been
+ * set, or an error has occurred, -1 is returned.
+ *
+ */
+int sys_notify_fd(void)
+{
+ return state.notify_fd;
+}
+
+/**
+ * Allocate a pair of notification request/response structures
+ * @param req the request location
+ * @param resp the response location
+ *
+ * This function allocates a pair of request/response structure by computing
+ * the correct sized based on the currently running kernel. It returns zero on
+ * success, and negative values on failure.
+ *
+ */
+int sys_notify_alloc(struct seccomp_notif **req,
+ struct seccomp_notif_resp **resp)
+{
+ int rc;
+ static struct seccomp_notif_sizes sizes = { 0, 0, 0 };
+
+ if (state.sup_syscall <= 0)
+ return -EOPNOTSUPP;
+
+ if (sizes.seccomp_notif == 0 && sizes.seccomp_notif_resp == 0) {
+ rc = syscall(__NR_seccomp, SECCOMP_GET_NOTIF_SIZES, 0, &sizes);
+ if (rc < 0)
+ return -ECANCELED;
+ }
+ if (sizes.seccomp_notif == 0 || sizes.seccomp_notif_resp == 0)
+ return -EFAULT;
+
+ if (req) {
+ *req = zmalloc(sizes.seccomp_notif);
+ if (!*req)
+ return -ENOMEM;
+ }
+
+ if (resp) {
+ *resp = zmalloc(sizes.seccomp_notif_resp);
+ if (!*resp) {
+ if (req)
+ free(*req);
+ return -ENOMEM;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * Receive a notification from a seccomp notification fd
+ * @param fd the notification fd
+ * @param req the request buffer to save into
+ *
+ * Blocks waiting for a notification on this fd. This function is thread safe
+ * (synchronization is performed in the kernel). Returns zero on success,
+ * negative values on error.
+ *
+ */
+int sys_notify_receive(int fd, struct seccomp_notif *req)
+{
+ if (state.sup_user_notif <= 0)
+ return -EOPNOTSUPP;
+
+ if (ioctl(fd, SECCOMP_IOCTL_NOTIF_RECV, req) < 0)
+ return -ECANCELED;
+
+ return 0;
+}
+
+/**
+ * Send a notification response to a seccomp notification fd
+ * @param fd the notification fd
+ * @param resp the response buffer to use
+ *
+ * Sends a notification response on this fd. This function is thread safe
+ * (synchronization is performed in the kernel). Returns zero on success,
+ * negative values on error.
+ *
+ */
+int sys_notify_respond(int fd, struct seccomp_notif_resp *resp)
+{
+ if (state.sup_user_notif <= 0)
+ return -EOPNOTSUPP;
+
+ if (ioctl(fd, SECCOMP_IOCTL_NOTIF_SEND, resp) < 0)
+ return -ECANCELED;
+ return 0;
+}
+
+/**
+ * Check if a notification id is still valid
+ * @param fd the notification fd
+ * @param id the id to test
+ *
+ * Checks to see if a notification id is still valid. Returns 0 on success, and
+ * negative values on failure.
+ *
+ */
+int sys_notify_id_valid(int fd, uint64_t id)
+{
+ int rc;
+ if (state.sup_user_notif <= 0)
+ return -EOPNOTSUPP;
+
+ rc = ioctl(fd, SECCOMP_IOCTL_NOTIF_ID_VALID, &id);
+ if (rc < 0 && errno == EINVAL)
+ /* It is possible that libseccomp was built against newer kernel
+ * headers than the kernel it is running on. If so, the older
+ * runtime kernel may not support the "fixed"
+ * SECCOMP_IOCTL_NOTIF_ID_VALID ioctl number which was introduced in
+ * kernel commit 47e33c05f9f0 ("seccomp: Fix ioctl number for
+ * SECCOMP_IOCTL_NOTIF_ID_VALID"). Try the old value. */
+ rc = ioctl(fd, SECCOMP_IOCTL_NOTIF_ID_VALID_WRONG_DIR, &id);
+ if (rc < 0)
+ return -ENOENT;
+ return 0;
+}
diff --git a/src/system.h b/src/system.h
new file mode 100644
index 0000000..10d3ccb
--- /dev/null
+++ b/src/system.h
@@ -0,0 +1,207 @@
+/**
+ * Seccomp System Interfaces
+ *
+ * Copyright (c) 2012 Red Hat <pmoore@redhat.com>
+ * Author: Paul Moore <paul@paul-moore.com>
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses>.
+ */
+
+#ifndef _SYSTEM_H
+#define _SYSTEM_H
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <linux/filter.h>
+#include <linux/types.h>
+#include <sys/prctl.h>
+#include <sys/ioctl.h>
+#include "configure.h"
+
+/* NOTE: this was taken from the Linux Kernel sources */
+#define MAX_ERRNO 4095
+
+struct db_filter_col;
+
+#ifdef HAVE_LINUX_SECCOMP_H
+
+/* system header file */
+#include <linux/seccomp.h>
+
+#else
+
+/* NOTE: the definitions below were taken from the Linux Kernel sources */
+
+/* Valid values for seccomp.mode and prctl(PR_SET_SECCOMP, <mode>) */
+#define SECCOMP_MODE_DISABLED 0 /* seccomp is not in use. */
+#define SECCOMP_MODE_STRICT 1 /* uses hard-coded filter. */
+#define SECCOMP_MODE_FILTER 2 /* uses user-supplied filter. */
+
+/*
+ * All BPF programs must return a 32-bit value.
+ * The bottom 16-bits are for optional return data.
+ * The upper 16-bits are ordered from least permissive values to most.
+ *
+ * The ordering ensures that a min_t() over composed return values always
+ * selects the least permissive choice.
+ */
+#define SECCOMP_RET_KILL_PROCESS 0x80000000U /* kill the process immediately */
+#define SECCOMP_RET_KILL_THREAD 0x00000000U /* kill the thread immediately */
+#define SECCOMP_RET_KILL SECCOMP_RET_KILL_THREAD /* default to killing the thread */
+#define SECCOMP_RET_TRAP 0x00030000U /* disallow and force a SIGSYS */
+#define SECCOMP_RET_ERRNO 0x00050000U /* returns an errno */
+#define SECCOMP_RET_USER_NOTIF 0x7fc00000U /* notifies userspace */
+#define SECCOMP_RET_TRACE 0x7ff00000U /* pass to a tracer or disallow */
+#define SECCOMP_RET_ALLOW 0x7fff0000U /* allow */
+
+/* Masks for the return value sections. */
+#define SECCOMP_RET_ACTION 0x7fff0000U
+#define SECCOMP_RET_DATA 0x0000ffffU
+
+/**
+ * struct seccomp_data - the format the BPF program executes over.
+ * @nr: the system call number
+ * @arch: indicates system call convention as an AUDIT_ARCH_* value
+ * as defined in <linux/audit.h>.
+ * @instruction_pointer: at the time of the system call.
+ * @args: up to 6 system call arguments always stored as 64-bit values
+ * regardless of the architecture.
+ */
+struct seccomp_data {
+ int nr;
+ __u32 arch;
+ __u64 instruction_pointer;
+ __u64 args[6];
+};
+
+#endif /* HAVE_LINUX_SECCOMP_H */
+
+/* rename some of the socket filter types to make more sense */
+typedef struct sock_filter bpf_instr_raw;
+
+/* no new privs defintions */
+#ifndef PR_SET_NO_NEW_PRIVS
+#define PR_SET_NO_NEW_PRIVS 38
+#endif
+
+#ifndef PR_GET_NO_NEW_PRIVS
+#define PR_GET_NO_NEW_PRIVS 39
+#endif
+
+/* operations for the seccomp() syscall */
+#ifndef SECCOMP_SET_MODE_STRICT
+#define SECCOMP_SET_MODE_STRICT 0
+#endif
+#ifndef SECCOMP_SET_MODE_FILTER
+#define SECCOMP_SET_MODE_FILTER 1
+#endif
+#ifndef SECCOMP_GET_ACTION_AVAIL
+#define SECCOMP_GET_ACTION_AVAIL 2
+#endif
+#ifndef SECCOMP_GET_NOTIF_SIZES
+#define SECCOMP_GET_NOTIF_SIZES 3
+#endif
+
+/* flags for the seccomp() syscall */
+#ifndef SECCOMP_FILTER_FLAG_TSYNC
+#define SECCOMP_FILTER_FLAG_TSYNC (1UL << 0)
+#endif
+#ifndef SECCOMP_FILTER_FLAG_LOG
+#define SECCOMP_FILTER_FLAG_LOG (1UL << 1)
+#endif
+#ifndef SECCOMP_FILTER_FLAG_SPEC_ALLOW
+#define SECCOMP_FILTER_FLAG_SPEC_ALLOW (1UL << 2)
+#endif
+#ifndef SECCOMP_FILTER_FLAG_NEW_LISTENER
+#define SECCOMP_FILTER_FLAG_NEW_LISTENER (1UL << 3)
+#endif
+#ifndef SECCOMP_FILTER_FLAG_TSYNC_ESRCH
+#define SECCOMP_FILTER_FLAG_TSYNC_ESRCH (1UL << 4)
+#endif
+
+#ifndef SECCOMP_RET_LOG
+#define SECCOMP_RET_LOG 0x7ffc0000U /* allow after logging */
+#endif
+
+/* SECCOMP_RET_ACTION_FULL was added in kernel v4.14. */
+#ifndef SECCOMP_RET_ACTION_FULL
+#define SECCOMP_RET_ACTION_FULL 0xffff0000U
+#endif
+
+/* SECCOMP_RET_LOG was added in kernel v4.14. */
+#ifndef SECCOMP_RET_LOG
+#define SECCOMP_RET_LOG 0x7fc00000U
+#endif
+
+/* SECCOMP_RET_USER_NOTIF was added in kernel v5.0. */
+#ifndef SECCOMP_RET_USER_NOTIF
+#define SECCOMP_RET_USER_NOTIF 0x7fc00000U
+
+struct seccomp_notif_sizes {
+ __u16 seccomp_notif;
+ __u16 seccomp_notif_resp;
+ __u16 seccomp_data;
+};
+
+struct seccomp_notif {
+ __u64 id;
+ __u32 pid;
+ __u32 flags;
+ struct seccomp_data data;
+};
+
+struct seccomp_notif_resp {
+ __u64 id;
+ __s64 val;
+ __s32 error;
+ __u32 flags;
+};
+
+#define SECCOMP_IOC_MAGIC '!'
+#define SECCOMP_IO(nr) _IO(SECCOMP_IOC_MAGIC, nr)
+#define SECCOMP_IOR(nr, type) _IOR(SECCOMP_IOC_MAGIC, nr, type)
+#define SECCOMP_IOW(nr, type) _IOW(SECCOMP_IOC_MAGIC, nr, type)
+#define SECCOMP_IOWR(nr, type) _IOWR(SECCOMP_IOC_MAGIC, nr, type)
+
+/* flags for seccomp notification fd ioctl */
+#define SECCOMP_IOCTL_NOTIF_RECV SECCOMP_IOWR(0, struct seccomp_notif)
+#define SECCOMP_IOCTL_NOTIF_SEND SECCOMP_IOWR(1, \
+ struct seccomp_notif_resp)
+#define SECCOMP_IOCTL_NOTIF_ID_VALID SECCOMP_IOW(2, __u64)
+#endif /* SECCOMP_RET_USER_NOTIF */
+
+/* non-public ioctl number for backwards compat (see system.c) */
+#define SECCOMP_IOCTL_NOTIF_ID_VALID_WRONG_DIR SECCOMP_IOR(2, __u64)
+
+void sys_reset_state(void);
+
+int sys_chk_seccomp_syscall(void);
+void sys_set_seccomp_syscall(bool enable);
+
+int sys_chk_seccomp_action(uint32_t action);
+void sys_set_seccomp_action(uint32_t action, bool enable);
+
+int sys_chk_seccomp_flag(int flag);
+void sys_set_seccomp_flag(int flag, bool enable);
+
+int sys_filter_load(struct db_filter_col *col, bool rawrc);
+
+int sys_notify_fd(void);
+int sys_notify_alloc(struct seccomp_notif **req,
+ struct seccomp_notif_resp **resp);
+int sys_notify_receive(int fd, struct seccomp_notif *req);
+int sys_notify_respond(int fd, struct seccomp_notif_resp *resp);
+int sys_notify_id_valid(int fd, uint64_t id);
+#endif