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-rw-r--r--src/basic/missing_syscall.h446
1 files changed, 446 insertions, 0 deletions
diff --git a/src/basic/missing_syscall.h b/src/basic/missing_syscall.h
new file mode 100644
index 0000000..d1aa322
--- /dev/null
+++ b/src/basic/missing_syscall.h
@@ -0,0 +1,446 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+/* Missing glibc definitions to access certain kernel APIs */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#ifdef ARCH_MIPS
+#include <asm/sgidefs.h>
+#endif
+
+#include "missing_keyctl.h"
+#include "missing_stat.h"
+
+/* linux/kcmp.h */
+#ifndef KCMP_FILE /* 3f4994cfc15f38a3159c6e3a4b3ab2e1481a6b02 (3.19) */
+#define KCMP_FILE 0
+#endif
+
+#if !HAVE_PIVOT_ROOT
+static inline int missing_pivot_root(const char *new_root, const char *put_old) {
+ return syscall(__NR_pivot_root, new_root, put_old);
+}
+
+# define pivot_root missing_pivot_root
+#endif
+
+/* ======================================================================= */
+
+#if !HAVE_MEMFD_CREATE
+# ifndef __NR_memfd_create
+# if defined __x86_64__
+# define __NR_memfd_create 319
+# elif defined __arm__
+# define __NR_memfd_create 385
+# elif defined __aarch64__
+# define __NR_memfd_create 279
+# elif defined __s390__
+# define __NR_memfd_create 350
+# elif defined _MIPS_SIM
+# if _MIPS_SIM == _MIPS_SIM_ABI32
+# define __NR_memfd_create 4354
+# endif
+# if _MIPS_SIM == _MIPS_SIM_NABI32
+# define __NR_memfd_create 6318
+# endif
+# if _MIPS_SIM == _MIPS_SIM_ABI64
+# define __NR_memfd_create 5314
+# endif
+# elif defined __i386__
+# define __NR_memfd_create 356
+# elif defined __arc__
+# define __NR_memfd_create 279
+# else
+# warning "__NR_memfd_create unknown for your architecture"
+# endif
+# endif
+
+static inline int missing_memfd_create(const char *name, unsigned int flags) {
+# ifdef __NR_memfd_create
+ return syscall(__NR_memfd_create, name, flags);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+}
+
+# define memfd_create missing_memfd_create
+#endif
+
+/* ======================================================================= */
+
+#if !HAVE_GETRANDOM
+# ifndef __NR_getrandom
+# if defined __x86_64__
+# define __NR_getrandom 318
+# elif defined(__i386__)
+# define __NR_getrandom 355
+# elif defined(__arm__)
+# define __NR_getrandom 384
+# elif defined(__aarch64__)
+# define __NR_getrandom 278
+# elif defined(__ia64__)
+# define __NR_getrandom 1339
+# elif defined(__m68k__)
+# define __NR_getrandom 352
+# elif defined(__s390x__)
+# define __NR_getrandom 349
+# elif defined(__powerpc__)
+# define __NR_getrandom 359
+# elif defined _MIPS_SIM
+# if _MIPS_SIM == _MIPS_SIM_ABI32
+# define __NR_getrandom 4353
+# endif
+# if _MIPS_SIM == _MIPS_SIM_NABI32
+# define __NR_getrandom 6317
+# endif
+# if _MIPS_SIM == _MIPS_SIM_ABI64
+# define __NR_getrandom 5313
+# endif
+# elif defined(__arc__)
+# define __NR_getrandom 278
+# else
+# warning "__NR_getrandom unknown for your architecture"
+# endif
+# endif
+
+static inline int missing_getrandom(void *buffer, size_t count, unsigned flags) {
+# ifdef __NR_getrandom
+ return syscall(__NR_getrandom, buffer, count, flags);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+}
+
+# define getrandom missing_getrandom
+#endif
+
+/* ======================================================================= */
+
+#if !HAVE_GETTID
+static inline pid_t missing_gettid(void) {
+ return (pid_t) syscall(__NR_gettid);
+}
+
+# define gettid missing_gettid
+#endif
+
+/* ======================================================================= */
+
+#if !HAVE_NAME_TO_HANDLE_AT
+# ifndef __NR_name_to_handle_at
+# if defined(__x86_64__)
+# define __NR_name_to_handle_at 303
+# elif defined(__i386__)
+# define __NR_name_to_handle_at 341
+# elif defined(__arm__)
+# define __NR_name_to_handle_at 370
+# elif defined(__powerpc__)
+# define __NR_name_to_handle_at 345
+# elif defined(__arc__)
+# define __NR_name_to_handle_at 264
+# else
+# error "__NR_name_to_handle_at is not defined"
+# endif
+# endif
+
+struct file_handle {
+ unsigned int handle_bytes;
+ int handle_type;
+ unsigned char f_handle[0];
+};
+
+static inline int missing_name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
+# ifdef __NR_name_to_handle_at
+ return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+}
+
+# define name_to_handle_at missing_name_to_handle_at
+#endif
+
+/* ======================================================================= */
+
+#if !HAVE_SETNS
+# ifndef __NR_setns
+# if defined(__x86_64__)
+# define __NR_setns 308
+# elif defined(__i386__)
+# define __NR_setns 346
+# elif defined(__arc__)
+# define __NR_setns 268
+# else
+# error "__NR_setns is not defined"
+# endif
+# endif
+
+static inline int missing_setns(int fd, int nstype) {
+# ifdef __NR_setns
+ return syscall(__NR_setns, fd, nstype);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+}
+
+# define setns missing_setns
+#endif
+
+/* ======================================================================= */
+
+static inline pid_t raw_getpid(void) {
+#if defined(__alpha__)
+ return (pid_t) syscall(__NR_getxpid);
+#else
+ return (pid_t) syscall(__NR_getpid);
+#endif
+}
+
+/* ======================================================================= */
+
+#if !HAVE_RENAMEAT2
+# ifndef __NR_renameat2
+# if defined __x86_64__
+# define __NR_renameat2 316
+# elif defined __arm__
+# define __NR_renameat2 382
+# elif defined __aarch64__
+# define __NR_renameat2 276
+# elif defined _MIPS_SIM
+# if _MIPS_SIM == _MIPS_SIM_ABI32
+# define __NR_renameat2 4351
+# endif
+# if _MIPS_SIM == _MIPS_SIM_NABI32
+# define __NR_renameat2 6315
+# endif
+# if _MIPS_SIM == _MIPS_SIM_ABI64
+# define __NR_renameat2 5311
+# endif
+# elif defined __i386__
+# define __NR_renameat2 353
+# elif defined __powerpc64__
+# define __NR_renameat2 357
+# elif defined __s390__ || defined __s390x__
+# define __NR_renameat2 347
+# elif defined __arc__
+# define __NR_renameat2 276
+# else
+# warning "__NR_renameat2 unknown for your architecture"
+# endif
+# endif
+
+static inline int missing_renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) {
+# ifdef __NR_renameat2
+ return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+}
+
+# define renameat2 missing_renameat2
+#endif
+
+/* ======================================================================= */
+
+#if !HAVE_KCMP
+static inline int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
+# ifdef __NR_kcmp
+ return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+}
+
+# define kcmp missing_kcmp
+#endif
+
+/* ======================================================================= */
+
+#if !HAVE_KEYCTL
+static inline long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5) {
+# ifdef __NR_keyctl
+ return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+
+# define keyctl missing_keyctl
+}
+
+static inline key_serial_t missing_add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) {
+# ifdef __NR_add_key
+ return syscall(__NR_add_key, type, description, payload, plen, ringid);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+
+# define add_key missing_add_key
+}
+
+static inline key_serial_t missing_request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) {
+# ifdef __NR_request_key
+ return syscall(__NR_request_key, type, description, callout_info, destringid);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+
+# define request_key missing_request_key
+}
+#endif
+
+/* ======================================================================= */
+
+#if !HAVE_COPY_FILE_RANGE
+# ifndef __NR_copy_file_range
+# if defined(__x86_64__)
+# define __NR_copy_file_range 326
+# elif defined(__i386__)
+# define __NR_copy_file_range 377
+# elif defined __s390__
+# define __NR_copy_file_range 375
+# elif defined __arm__
+# define __NR_copy_file_range 391
+# elif defined __aarch64__
+# define __NR_copy_file_range 285
+# elif defined __powerpc__
+# define __NR_copy_file_range 379
+# elif defined __arc__
+# define __NR_copy_file_range 285
+# else
+# warning "__NR_copy_file_range not defined for your architecture"
+# endif
+# endif
+
+static inline ssize_t missing_copy_file_range(int fd_in, loff_t *off_in,
+ int fd_out, loff_t *off_out,
+ size_t len,
+ unsigned int flags) {
+# ifdef __NR_copy_file_range
+ return syscall(__NR_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+}
+
+# define copy_file_range missing_copy_file_range
+#endif
+
+/* ======================================================================= */
+
+#if !HAVE_BPF
+# ifndef __NR_bpf
+# if defined __i386__
+# define __NR_bpf 357
+# elif defined __x86_64__
+# define __NR_bpf 321
+# elif defined __aarch64__
+# define __NR_bpf 280
+# elif defined __arm__
+# define __NR_bpf 386
+# elif defined __sparc__
+# define __NR_bpf 349
+# elif defined __s390__
+# define __NR_bpf 351
+# elif defined __tilegx__
+# define __NR_bpf 280
+# else
+# warning "__NR_bpf not defined for your architecture"
+# endif
+# endif
+
+union bpf_attr;
+
+static inline int missing_bpf(int cmd, union bpf_attr *attr, size_t size) {
+#ifdef __NR_bpf
+ return (int) syscall(__NR_bpf, cmd, attr, size);
+#else
+ errno = ENOSYS;
+ return -1;
+#endif
+}
+
+# define bpf missing_bpf
+#endif
+
+/* ======================================================================= */
+
+#ifndef __IGNORE_pkey_mprotect
+# ifndef __NR_pkey_mprotect
+# if defined __i386__
+# define __NR_pkey_mprotect 380
+# elif defined __x86_64__
+# define __NR_pkey_mprotect 329
+# elif defined __arm__
+# define __NR_pkey_mprotect 394
+# elif defined __aarch64__
+# define __NR_pkey_mprotect 394
+# elif defined __powerpc__
+# define __NR_pkey_mprotect 386
+# elif defined _MIPS_SIM
+# if _MIPS_SIM == _MIPS_SIM_ABI32
+# define __NR_pkey_mprotect 4363
+# endif
+# if _MIPS_SIM == _MIPS_SIM_NABI32
+# define __NR_pkey_mprotect 6327
+# endif
+# if _MIPS_SIM == _MIPS_SIM_ABI64
+# define __NR_pkey_mprotect 5323
+# endif
+# else
+# warning "__NR_pkey_mprotect not defined for your architecture"
+# endif
+# endif
+#endif
+
+/* ======================================================================= */
+
+#if !HAVE_STATX
+# ifndef __NR_statx
+# if defined __aarch64__ || defined __arm__
+# define __NR_statx 397
+# elif defined __alpha__
+# define __NR_statx 522
+# elif defined __i386__ || defined __powerpc64__
+# define __NR_statx 383
+# elif defined __sparc__
+# define __NR_statx 360
+# elif defined __x86_64__
+# define __NR_statx 332
+# else
+# warning "__NR_statx not defined for your architecture"
+# endif
+# endif
+
+struct statx;
+#endif
+
+/* This typedef is supposed to be always defined. */
+typedef struct statx struct_statx;
+
+#if !HAVE_STATX
+static inline ssize_t missing_statx(int dfd, const char *filename, unsigned flags, unsigned int mask, struct statx *buffer) {
+# ifdef __NR_statx
+ return syscall(__NR_statx, dfd, filename, flags, mask, buffer);
+# else
+ errno = ENOSYS;
+ return -1;
+# endif
+}
+
+# define statx missing_statx
+#endif