Adding upstream version 2.5.5.upstream/2.5.5upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

12 files changed, 2637 insertions, 0 deletions

diff --git a/tools/Makefile.am b/tools/Makefile.am
new file mode 100644
index 0000000..92543a1
--- /dev/null
+++ b/tools/Makefile.am
@@ -0,0 +1,41 @@
+####
+# Seccomp Library Utility Tools
+#
+
+#
+# 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>.
+#
+
+noinst_LTLIBRARIES = util.la
+util_la_SOURCES = util.c util.h bpf.h
+util_la_LDFLAGS = -module
+
+bin_PROGRAMS = \
+	scmp_sys_resolver
+noinst_PROGRAMS = \
+	scmp_arch_detect \
+	scmp_bpf_disasm \
+	scmp_bpf_sim \
+	scmp_api_level
+
+EXTRA_DIST = check-syntax scmp_app_inspector
+
+scmp_bpf_disasm_SOURCES = scmp_bpf_disasm.c bpf.h util.h
+scmp_bpf_sim_SOURCES = scmp_bpf_sim.c bpf.h util.h
+scmp_api_level_SOURCES = scmp_api_level.c
+
+scmp_sys_resolver_LDADD = ../src/libseccomp.la
+scmp_arch_detect_LDADD = ../src/libseccomp.la
+scmp_bpf_disasm_LDADD = util.la
+scmp_bpf_sim_LDADD = util.la
+scmp_api_level_LDADD = ../src/libseccomp.la
diff --git a/tools/Makefile.in b/tools/Makefile.in
new file mode 100644
index 0000000..5ad2a6e
--- /dev/null
+++ b/tools/Makefile.in
@@ -0,0 +1,780 @@
+# 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 Utility Tools
+#
+
+#
+# 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@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+bin_PROGRAMS = scmp_sys_resolver$(EXEEXT)
+noinst_PROGRAMS = scmp_arch_detect$(EXEEXT) scmp_bpf_disasm$(EXEEXT) \
+	scmp_bpf_sim$(EXEEXT) scmp_api_level$(EXEEXT)
+subdir = tools
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/m4/ax_code_coverage.m4 \
+	$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
+	$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
+	$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/configure.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__installdirs = "$(DESTDIR)$(bindir)"
+PROGRAMS = $(bin_PROGRAMS) $(noinst_PROGRAMS)
+LTLIBRARIES = $(noinst_LTLIBRARIES)
+util_la_LIBADD =
+am_util_la_OBJECTS = util.lo
+util_la_OBJECTS = $(am_util_la_OBJECTS)
+AM_V_lt = $(am__v_lt_@AM_V@)
+am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
+am__v_lt_0 = --silent
+am__v_lt_1 = 
+util_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(util_la_LDFLAGS) $(LDFLAGS) -o $@
+am_scmp_api_level_OBJECTS = scmp_api_level.$(OBJEXT)
+scmp_api_level_OBJECTS = $(am_scmp_api_level_OBJECTS)
+scmp_api_level_DEPENDENCIES = ../src/libseccomp.la
+scmp_arch_detect_SOURCES = scmp_arch_detect.c
+scmp_arch_detect_OBJECTS = scmp_arch_detect.$(OBJEXT)
+scmp_arch_detect_DEPENDENCIES = ../src/libseccomp.la
+am_scmp_bpf_disasm_OBJECTS = scmp_bpf_disasm.$(OBJEXT)
+scmp_bpf_disasm_OBJECTS = $(am_scmp_bpf_disasm_OBJECTS)
+scmp_bpf_disasm_DEPENDENCIES = util.la
+am_scmp_bpf_sim_OBJECTS = scmp_bpf_sim.$(OBJEXT)
+scmp_bpf_sim_OBJECTS = $(am_scmp_bpf_sim_OBJECTS)
+scmp_bpf_sim_DEPENDENCIES = util.la
+scmp_sys_resolver_SOURCES = scmp_sys_resolver.c
+scmp_sys_resolver_OBJECTS = scmp_sys_resolver.$(OBJEXT)
+scmp_sys_resolver_DEPENDENCIES = ../src/libseccomp.la
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
+am__v_P_0 = false
+am__v_P_1 = :
+AM_V_GEN = $(am__v_GEN_@AM_V@)
+am__v_GEN_ = $(am__v_GEN_@AM_DEFAULT_V@)
+am__v_GEN_0 = @echo "  GEN     " $@;
+am__v_GEN_1 = 
+AM_V_at = $(am__v_at_@AM_V@)
+am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
+am__v_at_0 = @
+am__v_at_1 = 
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
+depcomp = $(SHELL) $(top_srcdir)/build-aux/depcomp
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/scmp_api_level.Po \
+	./$(DEPDIR)/scmp_arch_detect.Po ./$(DEPDIR)/scmp_bpf_disasm.Po \
+	./$(DEPDIR)/scmp_bpf_sim.Po ./$(DEPDIR)/scmp_sys_resolver.Po \
+	./$(DEPDIR)/util.Plo
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
+am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
+am__v_CC_0 = @echo "  CC      " $@;
+am__v_CC_1 = 
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
+am__v_CCLD_0 = @echo "  CCLD    " $@;
+am__v_CCLD_1 = 
+SOURCES = $(util_la_SOURCES) $(scmp_api_level_SOURCES) \
+	scmp_arch_detect.c $(scmp_bpf_disasm_SOURCES) \
+	$(scmp_bpf_sim_SOURCES) scmp_sys_resolver.c
+DIST_SOURCES = $(util_la_SOURCES) $(scmp_api_level_SOURCES) \
+	scmp_arch_detect.c $(scmp_bpf_disasm_SOURCES) \
+	$(scmp_bpf_sim_SOURCES) scmp_sys_resolver.c
+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
+    *) (install-info --version) >/dev/null 2>&1;; \
+  esac
+am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
+# Read a list of newline-separated strings from the standard input,
+# and print each of them once, without duplicates.  Input order is
+# *not* preserved.
+am__uniquify_input = $(AWK) '\
+  BEGIN { nonempty = 0; } \
+  { items[$$0] = 1; nonempty = 1; } \
+  END { if (nonempty) { for (i in items) print i; }; } \
+'
+# Make sure the list of sources is unique.  This is necessary because,
+# e.g., the same source file might be shared among _SOURCES variables
+# for different programs/libraries.
+am__define_uniq_tagged_files = \
+  list='$(am__tagged_files)'; \
+  unique=`for i in $$list; do \
+    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+  done | $(am__uniquify_input)`
+am__DIST_COMMON = $(srcdir)/Makefile.in \
+	$(top_srcdir)/build-aux/depcomp
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+AMTAR = @AMTAR@
+AM_CFLAGS = @AM_CFLAGS@
+AM_CPPFLAGS = @AM_CPPFLAGS@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
+AM_LDFLAGS = @AM_LDFLAGS@
+AR = @AR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CODE_COVERAGE_CFLAGS = @CODE_COVERAGE_CFLAGS@
+CODE_COVERAGE_CPPFLAGS = @CODE_COVERAGE_CPPFLAGS@
+CODE_COVERAGE_CXXFLAGS = @CODE_COVERAGE_CXXFLAGS@
+CODE_COVERAGE_ENABLED = @CODE_COVERAGE_ENABLED@
+CODE_COVERAGE_LDFLAGS = @CODE_COVERAGE_LDFLAGS@
+CODE_COVERAGE_LIBS = @CODE_COVERAGE_LIBS@
+CPPFLAGS = @CPPFLAGS@
+CSCOPE = @CSCOPE@
+CTAGS = @CTAGS@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DLLTOOL = @DLLTOOL@
+DSYMUTIL = @DSYMUTIL@
+DUMPBIN = @DUMPBIN@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+ETAGS = @ETAGS@
+EXEEXT = @EXEEXT@
+FGREP = @FGREP@
+FILECMD = @FILECMD@
+GCOV = @GCOV@
+GENHTML = @GENHTML@
+GPERF = @GPERF@
+GREP = @GREP@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LCOV = @LCOV@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
+MAKEINFO = @MAKEINFO@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MKDIR_P = @MKDIR_P@
+NM = @NM@
+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PYTHON = @PYTHON@
+PYTHON_EXEC_PREFIX = @PYTHON_EXEC_PREFIX@
+PYTHON_PLATFORM = @PYTHON_PLATFORM@
+PYTHON_PREFIX = @PYTHON_PREFIX@
+PYTHON_VERSION = @PYTHON_VERSION@
+RANLIB = @RANLIB@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+STRIP = @STRIP@
+VERSION = @VERSION@
+VERSION_MAJOR = @VERSION_MAJOR@
+VERSION_MICRO = @VERSION_MICRO@
+VERSION_MINOR = @VERSION_MINOR@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+cython = @cython@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+have_coverity = @have_coverity@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+pkgpyexecdir = @pkgpyexecdir@
+pkgpythondir = @pkgpythondir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+pyexecdir = @pyexecdir@
+pythondir = @pythondir@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+noinst_LTLIBRARIES = util.la
+util_la_SOURCES = util.c util.h bpf.h
+util_la_LDFLAGS = -module
+EXTRA_DIST = check-syntax scmp_app_inspector
+scmp_bpf_disasm_SOURCES = scmp_bpf_disasm.c bpf.h util.h
+scmp_bpf_sim_SOURCES = scmp_bpf_sim.c bpf.h util.h
+scmp_api_level_SOURCES = scmp_api_level.c
+scmp_sys_resolver_LDADD = ../src/libseccomp.la
+scmp_arch_detect_LDADD = ../src/libseccomp.la
+scmp_bpf_disasm_LDADD = util.la
+scmp_bpf_sim_LDADD = util.la
+scmp_api_level_LDADD = ../src/libseccomp.la
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign tools/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign tools/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+install-binPROGRAMS: $(bin_PROGRAMS)
+	@$(NORMAL_INSTALL)
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(bindir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(bindir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(bindir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(bindir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(bindir)" && rm -f $$files
+
+clean-binPROGRAMS:
+	@list='$(bin_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+clean-noinstPROGRAMS:
+	@list='$(noinst_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+	@list='$(noinst_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
+util.la: $(util_la_OBJECTS) $(util_la_DEPENDENCIES) $(EXTRA_util_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(util_la_LINK)  $(util_la_OBJECTS) $(util_la_LIBADD) $(LIBS)
+
+scmp_api_level$(EXEEXT): $(scmp_api_level_OBJECTS) $(scmp_api_level_DEPENDENCIES) $(EXTRA_scmp_api_level_DEPENDENCIES) 
+	@rm -f scmp_api_level$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(scmp_api_level_OBJECTS) $(scmp_api_level_LDADD) $(LIBS)
+
+scmp_arch_detect$(EXEEXT): $(scmp_arch_detect_OBJECTS) $(scmp_arch_detect_DEPENDENCIES) $(EXTRA_scmp_arch_detect_DEPENDENCIES) 
+	@rm -f scmp_arch_detect$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(scmp_arch_detect_OBJECTS) $(scmp_arch_detect_LDADD) $(LIBS)
+
+scmp_bpf_disasm$(EXEEXT): $(scmp_bpf_disasm_OBJECTS) $(scmp_bpf_disasm_DEPENDENCIES) $(EXTRA_scmp_bpf_disasm_DEPENDENCIES) 
+	@rm -f scmp_bpf_disasm$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(scmp_bpf_disasm_OBJECTS) $(scmp_bpf_disasm_LDADD) $(LIBS)
+
+scmp_bpf_sim$(EXEEXT): $(scmp_bpf_sim_OBJECTS) $(scmp_bpf_sim_DEPENDENCIES) $(EXTRA_scmp_bpf_sim_DEPENDENCIES) 
+	@rm -f scmp_bpf_sim$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(scmp_bpf_sim_OBJECTS) $(scmp_bpf_sim_LDADD) $(LIBS)
+
+scmp_sys_resolver$(EXEEXT): $(scmp_sys_resolver_OBJECTS) $(scmp_sys_resolver_DEPENDENCIES) $(EXTRA_scmp_sys_resolver_DEPENDENCIES) 
+	@rm -f scmp_sys_resolver$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(scmp_sys_resolver_OBJECTS) $(scmp_sys_resolver_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/scmp_api_level.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/scmp_arch_detect.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/scmp_bpf_disasm.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/scmp_bpf_sim.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/scmp_sys_resolver.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/util.Plo@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS) $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(bindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+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 $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool \
+	clean-noinstLTLIBRARIES clean-noinstPROGRAMS mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/scmp_api_level.Po
+	-rm -f ./$(DEPDIR)/scmp_arch_detect.Po
+	-rm -f ./$(DEPDIR)/scmp_bpf_disasm.Po
+	-rm -f ./$(DEPDIR)/scmp_bpf_sim.Po
+	-rm -f ./$(DEPDIR)/scmp_sys_resolver.Po
+	-rm -f ./$(DEPDIR)/util.Plo
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-binPROGRAMS
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/scmp_api_level.Po
+	-rm -f ./$(DEPDIR)/scmp_arch_detect.Po
+	-rm -f ./$(DEPDIR)/scmp_bpf_disasm.Po
+	-rm -f ./$(DEPDIR)/scmp_bpf_sim.Po
+	-rm -f ./$(DEPDIR)/scmp_sys_resolver.Po
+	-rm -f ./$(DEPDIR)/util.Plo
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-binPROGRAMS clean-generic clean-libtool \
+	clean-noinstLTLIBRARIES clean-noinstPROGRAMS cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-binPROGRAMS \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am 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-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am uninstall-binPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+# 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/tools/bpf.h b/tools/bpf.h
new file mode 100644
index 0000000..fd20441
--- /dev/null
+++ b/tools/bpf.h
@@ -0,0 +1,131 @@
+/**
+ * BPF Language Definitions
+ *
+ * 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 _BPF_H
+#define _BPF_H
+
+#include <inttypes.h>
+#include <stddef.h>
+
+/* most of these structures and values are designed to match the Linux Kernel's
+ * BPF interface (see /usr/include/linux/{filter,seccomp}.h), but we define our
+ * own here so that we can function independent of the host OS */
+
+/* XXX - need to verify these values */
+#define BPF_SCRATCH_SIZE	6
+
+/**
+ * Syscall record data format used by seccomp
+ */
+#define BPF_SYS_ARG_MAX		6
+struct seccomp_data {
+	int32_t nr;
+	uint32_t arch;
+	uint64_t instruction_pointer;
+	uint64_t args[BPF_SYS_ARG_MAX];
+};
+#define BPF_SYSCALL_MAX		(sizeof(struct seccomp_data))
+
+/**
+ * BPF instruction format
+ */
+struct sock_filter {
+	uint16_t code;
+	uint8_t jt;
+	uint8_t jf;
+	uint32_t k;
+} __attribute__ ((packed));
+typedef struct sock_filter bpf_instr_raw;
+
+/* seccomp return masks */
+#define SECCOMP_RET_ACTION_FULL 0xffff0000U
+#define SECCOMP_RET_ACTION	0x7fff0000U
+#define SECCOMP_RET_DATA	0x0000ffffU
+
+/* seccomp action values */
+#define SECCOMP_RET_KILL_PROCESS 0x80000000U
+#define SECCOMP_RET_KILL_THREAD 0x00000000U
+#define SECCOMP_RET_KILL	SECCOMP_RET_KILL_THREAD
+#define SECCOMP_RET_TRAP	0x00030000U
+#define SECCOMP_RET_ERRNO	0x00050000U
+#define SECCOMP_RET_TRACE	0x7ff00000U
+#define SECCOMP_RET_LOG		0x7ffc0000U
+#define SECCOMP_RET_ALLOW	0x7fff0000U
+
+/* bpf command classes */
+#define BPF_CLASS(code)		((code) & 0x07)
+#define BPF_LD			0x00
+#define BPF_LDX			0x01
+#define BPF_ST			0x02
+#define BPF_STX			0x03
+#define BPF_ALU			0x04
+#define BPF_JMP			0x05
+#define BPF_RET			0x06
+#define BPF_MISC		0x07
+
+/* BPF_LD and BPF_LDX */
+#define BPF_SIZE(code)		((code) & 0x18)
+#define BPF_W			0x00
+#define BPF_H			0x08
+#define BPF_B			0x10
+#define BPF_MODE(code)		((code) & 0xe0)
+#define BPF_IMM			0x00
+#define BPF_ABS			0x20
+#define BPF_IND			0x40
+#define BPF_MEM			0x60
+#define BPF_LEN			0x80
+#define BPF_MSH			0xa0
+
+#define BPF_OP(code)		((code) & 0xf0)
+/* BPF_ALU */
+#define BPF_ADD			0x00
+#define BPF_SUB			0x10
+#define BPF_MUL			0x20
+#define BPF_DIV			0x30
+#define BPF_OR			0x40
+#define BPF_AND			0x50
+#define BPF_LSH			0x60
+#define BPF_RSH			0x70
+#define BPF_NEG			0x80
+#define BPF_MOD			0x90
+#define BPF_XOR			0xa0
+
+/* BPF_JMP */
+#define BPF_JA			0x00
+#define BPF_JEQ			0x10
+#define BPF_JGT			0x20
+#define BPF_JGE			0x30
+#define BPF_JSET		0x40
+
+#define BPF_SRC(code)		((code) & 0x08)
+#define BPF_K			0x00
+#define BPF_X			0x08
+
+/* BPF_RET (BPF_K and BPF_X also apply) */
+#define BPF_RVAL(code)		((code) & 0x18)
+#define BPF_A			0x10
+
+/* BPF_MISC */
+#define BPF_MISCOP(code)	((code) & 0xf8)
+#define BPF_TAX			0x00
+#define BPF_TXA			0x80
+
+#endif
diff --git a/tools/check-syntax b/tools/check-syntax
new file mode 100755
index 0000000..42790d3
--- /dev/null
+++ b/tools/check-syntax
@@ -0,0 +1,161 @@
+#!/bin/bash
+
+#
+# libseccomp code syntax checking tool
+#
+# Copyright (c) 2013,2015 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>.
+#
+
+CHK_C_LIST="include/seccomp.h.in \
+	    include/seccomp-syscalls.h \
+	    src/*.c src/*.h \
+	    tests/*.c tests/*.h \
+	    tools/*.c tools/*.h"
+CHK_C_EXCLUDE="src/syscalls.perf.c"
+
+####
+# functions
+
+#
+# Dependency verification
+#
+# Arguments:
+#     1    Dependency to check for
+#
+function verify_deps() {
+	[[ -z "$1" ]] && return
+	if ! which "$1" >& /dev/null; then
+		echo "error: install \"$1\" and include it in your \$PATH"
+		exit 1
+	fi
+}
+
+#
+# Print out script usage details
+#
+function usage() {
+cat << EOF
+usage: check-syntax [-h]
+
+libseccomp code syntax checking tool
+optional arguments:
+  -h             show this help message and exit
+  -f             fix the file formatting
+EOF
+}
+
+#
+# Generate a properly formatted C source/header file
+#
+# Arguments:
+#     1    Source file
+#
+function tool_c_style() {
+	astyle --options=none --lineend=linux --mode=c \
+		--style=linux \
+		--indent=force-tab=8 \
+		--indent-preprocessor \
+		--indent-col1-comments \
+		--min-conditional-indent=0 \
+		--max-instatement-indent=80 \
+		--pad-oper \
+		--align-pointer=name \
+		--align-reference=name \
+		--max-code-length=80 \
+		--break-after-logical < "$1"
+}
+
+#
+# Check the formatting on a C source/header file
+#
+# Arguments:
+#     1    File to check
+#
+function tool_c_style_check() {
+	[[ -z "$1" || ! -r "$1" ]] && return
+
+	tool_c_style "$1" | diff -pu --label="$1.orig" "$1" --label="$1" -
+}
+
+#
+# Fix the formatting on a C source/header file
+#
+# Arguments:
+#     1    File to fix
+#
+function tool_c_style_fix() {
+	[[ -z "$1" || ! -r "$1" ]] && return
+
+	tmp="$(mktemp --tmpdir=$(dirname "$1"))"
+	tool_c_style "$1" > "$tmp"
+	mv "$tmp" "$1"
+}
+
+#
+# Perform all known syntax checks for the configured C sources/headers
+#
+function check_c() {
+	for i in $CHK_C_LIST; do
+		echo "$CHK_C_EXCLUDE" | grep -q "$i" && continue
+		echo "Differences for $i"
+		tool_c_style_check "$i"
+	done
+}
+
+#
+# Perform all known syntax fixess for the configured C sources/headers
+#
+function fix_c() {
+	for i in $CHK_C_LIST; do
+		echo "$CHK_C_EXCLUDE" | grep -q "$i" && continue
+		echo "Fixing $i"
+		tool_c_style_fix "$i"
+	done
+}
+
+####
+# main
+
+verify_deps astyle
+
+opt_fix=0
+
+while getopts "fh" opt; do
+	case $opt in
+	f)
+		opt_fix=1
+		;;
+	h|*)
+		usage
+		exit 1
+		;;
+	esac
+done
+
+# display the results
+echo "=============== $(date) ==============="
+echo "Code Syntax Check Results (\"check-syntax $*\")"
+if [[ $opt_fix -eq 1 ]]; then
+	fix_c
+else
+	check_c
+fi
+echo "============================================================"
+
+# exit
+exit 0
diff --git a/tools/scmp_api_level.c b/tools/scmp_api_level.c
new file mode 100644
index 0000000..01ed7b8
--- /dev/null
+++ b/tools/scmp_api_level.c
@@ -0,0 +1,39 @@
+/**
+ * API Level Detector
+ *
+ * Copyright (c) 2018 Paul Moore <paul@paul-moore.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 <seccomp.h>
+
+/**
+ * main
+ */
+int main(int argc, char *argv[])
+{
+	unsigned int level;
+
+	level = seccomp_api_get();
+	printf("%d\n", level);
+
+	return 0;
+}
diff --git a/tools/scmp_app_inspector b/tools/scmp_app_inspector
new file mode 100755
index 0000000..45b86b2
--- /dev/null
+++ b/tools/scmp_app_inspector
@@ -0,0 +1,103 @@
+#!/bin/bash
+
+#
+# Runtime syscall inspector
+#
+# 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>.
+#
+
+####
+# functions
+
+function verify_deps() {
+	[[ -z "$1" ]] && return
+	if ! which "$1" >& /dev/null; then
+		echo "error: install \"$1\" and include it in your \$PATH"
+		exit 1
+	fi
+}
+
+####
+# main
+
+# verify script dependencies
+verify_deps strace
+verify_deps sed
+verify_deps sort
+verify_deps uniq
+
+# get the command line arguments
+opt_freq=0
+opt_args=0
+opt_out="/proc/self/fd/1"
+while getopts "afo:h" opt; do
+	case $opt in
+	a)
+		opt_args=1
+		;;
+	f)
+		opt_freq=1
+		;;
+	o)
+		opt_out="$OPTARG"
+		;;
+	h|*)
+		echo "usage $0 [-f] [-a] [-o <file>] <command> [<args>]"
+		exit 1
+	esac
+done
+shift $(expr $OPTIND - 1)
+
+# generate a temporary output file
+raw=$(mktemp -t strace-raw_XXXXXX)
+out="$raw-out"
+
+# capture the strace output
+strace -o $raw -- $*
+
+# filter the raw strace
+if [[ $opt_args -eq 0 ]]; then
+	if [[ $opt_freq -eq 0 ]]; then
+		cat $raw | sed -e 's/(.*//' | sort -u > $out
+	else
+		cat $raw | sed -e 's/(.*//' | sort | uniq -c | sort -nr > $out
+	fi
+else
+	if [[ $opt_freq -eq 0 ]]; then
+		cat $raw | sed -e 's/)[ \t]*=.*$/)/' \
+			| sed -e 's/".*,/"...",/g;s/\/\*.*\*\//.../g' \
+			| sed -e 's/0x[a-f0-9]\+/.../g' \
+			| sort -u > $out
+	else
+		cat $raw | sed -e 's/)[ \t]*=.*$/)/' \
+			| sed -e 's/".*,/"...",/g;s/\/\*.*\*\//.../g' \
+			| sed -e 's/0x[a-f0-9]\+/.../g' \
+			| sort | uniq -c | sort -nr > $out
+	fi
+fi
+
+# display the output
+echo "============================================================" > $opt_out
+echo "Syscall Report (\"$*\")" >> $opt_out
+[[ $opt_freq -eq 1 ]] && echo "   freq syscall" >> $opt_out
+echo "============================================================" >> $opt_out
+cat $out >> $opt_out
+
+# cleanup and exit
+rm -f $raw $out
+exit 0
diff --git a/tools/scmp_arch_detect.c b/tools/scmp_arch_detect.c
new file mode 100644
index 0000000..b844a68
--- /dev/null
+++ b/tools/scmp_arch_detect.c
@@ -0,0 +1,133 @@
+/**
+ * Architecture Detector
+ *
+ * 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 <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <seccomp.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] [-t]\n",
+		program);
+	exit(EINVAL);
+}
+
+/**
+ * main
+ */
+int main(int argc, char *argv[])
+{
+	int opt;
+	int token = 0;
+	uint32_t arch;
+
+	/* parse the command line */
+	while ((opt = getopt(argc, argv, "ht")) > 0) {
+		switch (opt) {
+		case 't':
+			token = 1;
+			break;
+		case 'h':
+		default:
+			/* usage information */
+			exit_usage(argv[0]);
+		}
+	}
+
+	arch = seccomp_arch_native();
+	if (token == 0) {
+		switch (arch) {
+		case SCMP_ARCH_X86:
+			printf("x86\n");
+			break;
+		case SCMP_ARCH_X86_64:
+			printf("x86_64\n");
+			break;
+		case SCMP_ARCH_X32:
+			printf("x32\n");
+			break;
+		case SCMP_ARCH_ARM:
+			printf("arm\n");
+			break;
+		case SCMP_ARCH_AARCH64:
+			printf("aarch64\n");
+			break;
+		case SCMP_ARCH_MIPS:
+			printf("mips\n");
+			break;
+		case SCMP_ARCH_MIPSEL:
+			printf("mipsel\n");
+			break;
+		case SCMP_ARCH_MIPS64:
+			printf("mips64\n");
+			break;
+		case SCMP_ARCH_MIPSEL64:
+			printf("mipsel64\n");
+			break;
+		case SCMP_ARCH_MIPS64N32:
+			printf("mips64n32\n");
+			break;
+		case SCMP_ARCH_MIPSEL64N32:
+			printf("mipsel64n32\n");
+			break;
+		case SCMP_ARCH_PARISC:
+			printf("parisc\n");
+			break;
+		case SCMP_ARCH_PARISC64:
+			printf("parisc64\n");
+			break;
+		case SCMP_ARCH_PPC:
+			printf("ppc\n");
+			break;
+		case SCMP_ARCH_PPC64:
+			printf("ppc64\n");
+			break;
+		case SCMP_ARCH_PPC64LE:
+			printf("ppc64le\n");
+			break;
+		case SCMP_ARCH_S390:
+			printf("s390\n");
+			break;
+		case SCMP_ARCH_S390X:
+			printf("s390x\n");
+			break;
+		case SCMP_ARCH_RISCV64:
+			printf("riscv64\n");
+			break;
+		default:
+			printf("unknown\n");
+		}
+	} else
+		printf("%d\n", arch);
+
+	return 0;
+}
diff --git a/tools/scmp_bpf_disasm.c b/tools/scmp_bpf_disasm.c
new file mode 100644
index 0000000..b682de7
--- /dev/null
+++ b/tools/scmp_bpf_disasm.c
@@ -0,0 +1,541 @@
+/**
+ * BPF Disassembler
+ *
+ * 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 <fcntl.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <linux/audit.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "bpf.h"
+#include "util.h"
+
+#define _OP_FMT			"%-3s"
+
+/**
+ * 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 -a <arch> [-d] [-h]\n", program);
+	exit(EINVAL);
+}
+
+/**
+ * Decode the BPF operand
+ * @param bpf the BPF instruction
+ *
+ * Decode the BPF operand and print it to stdout.
+ *
+ */
+static const char *bpf_decode_op(const bpf_instr_raw *bpf)
+{
+	switch (bpf->code) {
+	case BPF_LD+BPF_W+BPF_IMM:
+	case BPF_LD+BPF_W+BPF_ABS:
+	case BPF_LD+BPF_W+BPF_IND:
+	case BPF_LD+BPF_W+BPF_MEM:
+	case BPF_LD+BPF_W+BPF_LEN:
+	case BPF_LD+BPF_W+BPF_MSH:
+		return "ld";
+	case BPF_LD+BPF_H+BPF_IMM:
+	case BPF_LD+BPF_H+BPF_ABS:
+	case BPF_LD+BPF_H+BPF_IND:
+	case BPF_LD+BPF_H+BPF_MEM:
+	case BPF_LD+BPF_H+BPF_LEN:
+	case BPF_LD+BPF_H+BPF_MSH:
+		return "ldh";
+	case BPF_LD+BPF_B+BPF_IMM:
+	case BPF_LD+BPF_B+BPF_ABS:
+	case BPF_LD+BPF_B+BPF_IND:
+	case BPF_LD+BPF_B+BPF_MEM:
+	case BPF_LD+BPF_B+BPF_LEN:
+	case BPF_LD+BPF_B+BPF_MSH:
+		return "ldb";
+	case BPF_LDX+BPF_W+BPF_IMM:
+	case BPF_LDX+BPF_W+BPF_ABS:
+	case BPF_LDX+BPF_W+BPF_IND:
+	case BPF_LDX+BPF_W+BPF_MEM:
+	case BPF_LDX+BPF_W+BPF_LEN:
+	case BPF_LDX+BPF_W+BPF_MSH:
+	case BPF_LDX+BPF_H+BPF_IMM:
+	case BPF_LDX+BPF_H+BPF_ABS:
+	case BPF_LDX+BPF_H+BPF_IND:
+	case BPF_LDX+BPF_H+BPF_MEM:
+	case BPF_LDX+BPF_H+BPF_LEN:
+	case BPF_LDX+BPF_H+BPF_MSH:
+	case BPF_LDX+BPF_B+BPF_IMM:
+	case BPF_LDX+BPF_B+BPF_ABS:
+	case BPF_LDX+BPF_B+BPF_IND:
+	case BPF_LDX+BPF_B+BPF_MEM:
+	case BPF_LDX+BPF_B+BPF_LEN:
+	case BPF_LDX+BPF_B+BPF_MSH:
+		return "ldx";
+	case BPF_ST:
+		return "st";
+	case BPF_STX:
+		return "stx";
+	case BPF_ALU+BPF_ADD+BPF_K:
+	case BPF_ALU+BPF_ADD+BPF_X:
+		return "add";
+	case BPF_ALU+BPF_SUB+BPF_K:
+	case BPF_ALU+BPF_SUB+BPF_X:
+		return "sub";
+	case BPF_ALU+BPF_MUL+BPF_K:
+	case BPF_ALU+BPF_MUL+BPF_X:
+		return "mul";
+	case BPF_ALU+BPF_DIV+BPF_K:
+	case BPF_ALU+BPF_DIV+BPF_X:
+		return "div";
+	case BPF_ALU+BPF_OR+BPF_K:
+	case BPF_ALU+BPF_OR+BPF_X:
+		return "or";
+	case BPF_ALU+BPF_AND+BPF_K:
+	case BPF_ALU+BPF_AND+BPF_X:
+		return "and";
+	case BPF_ALU+BPF_LSH+BPF_K:
+	case BPF_ALU+BPF_LSH+BPF_X:
+		return "lsh";
+	case BPF_ALU+BPF_RSH+BPF_K:
+	case BPF_ALU+BPF_RSH+BPF_X:
+		return "rsh";
+	case BPF_ALU+BPF_NEG+BPF_K:
+	case BPF_ALU+BPF_NEG+BPF_X:
+		return "neg";
+	case BPF_ALU+BPF_MOD+BPF_K:
+	case BPF_ALU+BPF_MOD+BPF_X:
+		return "mod";
+	case BPF_ALU+BPF_XOR+BPF_K:
+	case BPF_ALU+BPF_XOR+BPF_X:
+		return "xor";
+	case BPF_JMP+BPF_JA+BPF_K:
+	case BPF_JMP+BPF_JA+BPF_X:
+		return "jmp";
+	case BPF_JMP+BPF_JEQ+BPF_K:
+	case BPF_JMP+BPF_JEQ+BPF_X:
+		return "jeq";
+	case BPF_JMP+BPF_JGT+BPF_K:
+	case BPF_JMP+BPF_JGT+BPF_X:
+		return "jgt";
+	case BPF_JMP+BPF_JGE+BPF_K:
+	case BPF_JMP+BPF_JGE+BPF_X:
+		return "jge";
+	case BPF_JMP+BPF_JSET+BPF_K:
+	case BPF_JMP+BPF_JSET+BPF_X:
+		return "jset";
+	case BPF_RET+BPF_K:
+	case BPF_RET+BPF_X:
+	case BPF_RET+BPF_A:
+		return "ret";
+	case BPF_MISC+BPF_TAX:
+		return "tax";
+	case BPF_MISC+BPF_TXA:
+		return "txa";
+	}
+	return "???";
+}
+
+/**
+ * Decode a RET action
+ * @param k the return action
+ *
+ * Decode the action and print it to stdout.
+ *
+ */
+static void bpf_decode_action(uint32_t k)
+{
+	uint32_t act = k & SECCOMP_RET_ACTION_FULL;
+	uint32_t data = k & SECCOMP_RET_DATA;
+
+	switch (act) {
+	case SECCOMP_RET_KILL_PROCESS:
+		printf("KILL_PROCESS");
+		break;
+	case SECCOMP_RET_KILL_THREAD:
+		printf("KILL");
+		break;
+	case SECCOMP_RET_TRAP:
+		printf("TRAP");
+		break;
+	case SECCOMP_RET_ERRNO:
+		printf("ERRNO(%u)", data);
+		break;
+	case SECCOMP_RET_TRACE:
+		printf("TRACE(%u)", data);
+		break;
+	case SECCOMP_RET_LOG:
+		printf("LOG");
+		break;
+	case SECCOMP_RET_ALLOW:
+		printf("ALLOW");
+		break;
+	default:
+		printf("0x%.8x", k);
+	}
+}
+
+/**
+ * Decode the BPF arguments (JT, JF, and K)
+ * @param bpf the BPF instruction
+ * @param line the current line number
+ *
+ * Decode the BPF arguments (JT, JF, and K) and print the relevant information
+ * to stdout based on the operand.
+ *
+ */
+static void bpf_decode_args(const bpf_instr_raw *bpf, unsigned int line)
+{
+	switch (BPF_CLASS(bpf->code)) {
+	case BPF_LD:
+	case BPF_LDX:
+		switch (BPF_MODE(bpf->code)) {
+		case BPF_ABS:
+			printf("$data[%u]", bpf->k);
+			break;
+		case BPF_MEM:
+			printf("$temp[%u]", bpf->k);
+			break;
+		case BPF_IMM:
+			printf("%u", bpf->k);
+			break;
+		case BPF_IND:
+			printf("$data[X + %u]", bpf->k);
+			break;
+		case BPF_LEN:
+			printf("len($data)");
+			break;
+		case BPF_MSH:
+			printf("4 * $data[%u] & 0x0f", bpf->k);
+			break;
+		}
+		break;
+	case BPF_ST:
+	case BPF_STX:
+		printf("$temp[%u]", bpf->k);
+		break;
+	case BPF_ALU:
+		if (BPF_SRC(bpf->code) == BPF_K) {
+			switch (BPF_OP(bpf->code)) {
+			case BPF_OR:
+			case BPF_AND:
+				printf("0x%.8x", bpf->k);
+				break;
+			default:
+				printf("%u", bpf->k);
+			}
+		} else
+			printf("%u", bpf->k);
+		break;
+	case BPF_JMP:
+		if (BPF_OP(bpf->code) == BPF_JA) {
+			printf("%.4u", (line + 1) + bpf->k);
+		} else {
+			printf("%-4u true:%.4u false:%.4u",
+			       bpf->k,
+			       (line + 1) + bpf->jt,
+			       (line + 1) + bpf->jf);
+		}
+		break;
+	case BPF_RET:
+		if (BPF_RVAL(bpf->code) == BPF_A) {
+			/* XXX - accumulator? */
+			printf("$acc");
+		} else if (BPF_SRC(bpf->code) == BPF_K) {
+			bpf_decode_action(bpf->k);
+		} else if (BPF_SRC(bpf->code) == BPF_X) {
+			/* XXX - any idea? */
+			printf("???");
+		}
+		break;
+	case BPF_MISC:
+		break;
+	default:
+		printf("???");
+	}
+}
+
+/**
+ * Perform a simple decoding of the BPF program
+ * @param file the BPF program
+ *
+ * Read the BPF program and display the instructions.  Returns zero on success,
+ * non-zero values on failure.
+ *
+ */
+static int bpf_decode(FILE *file)
+{
+	unsigned int line = 0;
+	bpf_instr_raw bpf;
+
+	/* header */
+	printf(" line  OP   JT   JF   K\n");
+	printf("=================================\n");
+
+	while (fread(&bpf, sizeof(bpf), 1, file)) {
+		/* convert the bpf statement */
+		bpf.code = ttoh16(arch, bpf.code);
+		bpf.k = ttoh32(arch, bpf.k);
+
+		/* display a hex dump */
+		printf(" %.4u: 0x%.2x 0x%.2x 0x%.2x 0x%.8x",
+		       line, bpf.code, bpf.jt, bpf.jf, bpf.k);
+
+		/* display the assembler statements */
+		printf("   ");
+		printf(_OP_FMT, bpf_decode_op(&bpf));
+		printf(" ");
+		bpf_decode_args(&bpf, line);
+		printf("\n");
+
+		line++;
+	}
+
+	if (ferror(file))
+		return errno;
+	return 0;
+}
+
+/**
+ * Decode the BPF arguments (JT, JF, and K)
+ * @param bpf the BPF instruction
+ * @param line the current line number
+ *
+ * Decode the BPF arguments (JT, JF, and K) and print the relevant information
+ * to stdout based on the operand.
+ *
+ */
+static void bpf_dot_decode_args(const bpf_instr_raw *bpf, unsigned int line)
+{
+	const char *op = bpf_decode_op(bpf);
+
+	printf("\tline%d[label=\"%s", line, op);
+	switch (BPF_CLASS(bpf->code)) {
+	case BPF_LD:
+	case BPF_LDX:
+		switch (BPF_MODE(bpf->code)) {
+		case BPF_ABS:
+			printf(" $data[%u]\",shape=parallelogram]\n", bpf->k);
+			break;
+		case BPF_MEM:
+			printf(" $temp[%u]\",shape=parallelogram]\n", bpf->k);
+			break;
+		case BPF_IMM:
+			printf(" %u\",shape=parallelogram]\n", bpf->k);
+			break;
+		case BPF_IND:
+			printf(" $data[X + %u]\",shape=parallelogram]\n", bpf->k);
+			break;
+		case BPF_LEN:
+			printf(" len($data)\",shape=parallelogram]\n");
+			break;
+		case BPF_MSH:
+			printf(" 4 * $data[%u] & 0x0f\",shape=parallelogram]\n", bpf->k);
+			break;
+		}
+		break;
+	case BPF_ST:
+	case BPF_STX:
+		printf(" $temp[%u]\",shape=parallelogram]\n",
+		       bpf->k);
+		break;
+	case BPF_ALU:
+		if (BPF_SRC(bpf->code) == BPF_K) {
+			switch (BPF_OP(bpf->code)) {
+			case BPF_OR:
+			case BPF_AND:
+				printf(" 0x%.8x\",shape=rectangle]\n", bpf->k);
+				break;
+			default:
+				printf(" %u\",shape=rectangle]\n", bpf->k);
+			}
+		} else
+			printf(" %u\",shape=rectangle]\n", bpf->k);
+		break;
+	case BPF_JMP:
+		if (BPF_OP(bpf->code) == BPF_JA) {
+			printf("\",shape=hexagon]\n");
+			printf("\tline%d -> line%d\n",
+			       line, (line + 1) + bpf->k);
+		} else {
+			printf(" %-4u", bpf->k);
+			/* Heuristic: if k > 256, also emit hex version */
+			if (bpf->k > 256)
+				printf("\\n(0x%.8x)", bpf->k);
+			printf("\",shape=diamond]\n");
+			printf("\tline%d -> line%d [label=\"true\"]\n",
+			       line, (line + 1) + bpf->jt);
+			printf("\tline%d -> line%d [label=\"false\"]\n",
+			       line, (line + 1) + bpf->jf);
+		}
+		break;
+	case BPF_RET:
+		if (BPF_RVAL(bpf->code) == BPF_A) {
+			/* XXX - accumulator? */
+			printf(" $acc\", shape=\"box\", style=rounded]\n");
+		} else if (BPF_SRC(bpf->code) == BPF_K) {
+			printf(" ");
+			bpf_decode_action(bpf->k);
+			printf("\", shape=\"box\", style=rounded]\n");
+		} else if (BPF_SRC(bpf->code) == BPF_X) {
+			/* XXX - any idea? */
+			printf(" ???\", shape=\"box\", style=rounded]\n");
+		}
+		break;
+	case BPF_MISC:
+		printf("\"]\n");
+		break;
+	default:
+		printf(" ???\"]\n");
+	}
+}
+
+/**
+ * Perform a simple decoding of the BPF program to a dot graph
+ * @param file the BPF program
+ *
+ * Read the BPF program and display the instructions.  Returns zero on success,
+ * non-zero values on failure.
+ *
+ */
+static int bpf_dot_decode(FILE *file)
+{
+	unsigned int line = 0;
+	bpf_instr_raw bpf;
+	int prev_class = 0;
+
+	/* header */
+	printf("digraph {\n");
+	printf("\tstart[shape=\"box\", style=rounded];\n");
+
+	while (fread(&bpf, sizeof(bpf), 1, file)) {
+		/* convert the bpf statement */
+		bpf.code = ttoh16(arch, bpf.code);
+		bpf.k = ttoh32(arch, bpf.k);
+
+		/* display the statement */
+		bpf_dot_decode_args(&bpf, line);
+
+		/* if previous line wasn't RET/JMP, link it to this line */
+		if (line == 0)
+			printf("\tstart -> line%d\n", line);
+		else if ((prev_class != BPF_JMP) && (prev_class != BPF_RET))
+			printf("\tline%d -> line%d\n", line - 1, line);
+		prev_class = BPF_CLASS(bpf.code);
+
+		line++;
+	}
+	printf("}\n");
+
+	if (ferror(file))
+		return errno;
+	return 0;
+}
+
+/**
+ * main
+ */
+int main(int argc, char *argv[])
+{
+	int rc;
+	int opt;
+	bool dot_out = false;
+	FILE *file;
+
+	/* parse the command line */
+	while ((opt = getopt(argc, argv, "a:dh")) > 0) {
+		switch (opt) {
+		case 'a':
+			if (strcmp(optarg, "x86") == 0)
+				arch = AUDIT_ARCH_I386;
+			else if (strcmp(optarg, "x86_64") == 0)
+				arch = AUDIT_ARCH_X86_64;
+			else if (strcmp(optarg, "x32") == 0)
+				arch = AUDIT_ARCH_X86_64;
+			else if (strcmp(optarg, "arm") == 0)
+				arch = AUDIT_ARCH_ARM;
+			else if (strcmp(optarg, "aarch64") == 0)
+				arch = AUDIT_ARCH_AARCH64;
+			else if (strcmp(optarg, "mips") == 0)
+				arch = AUDIT_ARCH_MIPS;
+			else if (strcmp(optarg, "mipsel") == 0)
+				arch = AUDIT_ARCH_MIPSEL;
+			else if (strcmp(optarg, "mips64") == 0)
+				arch = AUDIT_ARCH_MIPS64;
+			else if (strcmp(optarg, "mipsel64") == 0)
+				arch = AUDIT_ARCH_MIPSEL64;
+			else if (strcmp(optarg, "mips64n32") == 0)
+				arch = AUDIT_ARCH_MIPS64N32;
+			else if (strcmp(optarg, "mipsel64n32") == 0)
+				arch = AUDIT_ARCH_MIPSEL64N32;
+			else if (strcmp(optarg, "ppc64") == 0)
+				arch = AUDIT_ARCH_PPC64;
+			else if (strcmp(optarg, "ppc64le") == 0)
+				arch = AUDIT_ARCH_PPC64LE;
+			else if (strcmp(optarg, "ppc") == 0)
+				arch = AUDIT_ARCH_PPC;
+			else if (strcmp(optarg, "s390") == 0)
+				arch = AUDIT_ARCH_S390;
+			else if (strcmp(optarg, "s390x") == 0)
+				arch = AUDIT_ARCH_S390X;
+			else if (strcmp(optarg, "riscv64") == 0)
+				arch = AUDIT_ARCH_RISCV64;
+			else
+				exit_usage(argv[0]);
+			break;
+		case 'd':
+			dot_out = true;
+			break;
+		default:
+			/* usage information */
+			exit_usage(argv[0]);
+		}
+	}
+
+	if ((optind > 1) && (optind < argc)) {
+		int opt_file = optind - 1 ;
+		file = fopen(argv[opt_file], "r");
+		if (file == NULL) {
+			fprintf(stderr, "error: unable to open \"%s\" (%s)\n",
+				argv[opt_file], strerror(errno));
+			return errno;
+		}
+	} else
+		file = stdin;
+
+	if (dot_out)
+		rc = bpf_dot_decode(file);
+	else
+		rc = bpf_decode(file);
+	fclose(file);
+
+	return rc;
+}
diff --git a/tools/scmp_bpf_sim.c b/tools/scmp_bpf_sim.c
new file mode 100644
index 0000000..a381314
--- /dev/null
+++ b/tools/scmp_bpf_sim.c
@@ -0,0 +1,370 @@
+/**
+ * BPF Simulator
+ *
+ * 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 <elf.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <linux/audit.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include "bpf.h"
+#include "util.h"
+
+#define BPF_PRG_MAX_LEN		4096
+
+/**
+ * BPF simulator machine state
+ */
+struct sim_state {
+	uint32_t acc;
+	uint32_t temp[BPF_SCRATCH_SIZE];
+};
+
+struct bpf_program {
+	size_t i_cnt;
+	bpf_instr_raw *i;
+};
+
+static unsigned int opt_verbose = 0;
+
+/**
+ * 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 -f <bpf_file> [-v] [-h]"
+		" -a <arch> -s <syscall_num> [-0 <a0>] ... [-5 <a5>]\n",
+		program);
+	exit(EINVAL);
+}
+
+/**
+ * Handle a simulator fault
+ * @param rc the error or return code
+ *
+ * Print a "FAULT" to stderr to indicate a simulator fault, and an errno value
+ * if the simulator is running in verbose mode, then exit with EFAULT.
+ *
+ */
+static void exit_fault(unsigned int rc)
+{
+	if (opt_verbose)
+		fprintf(stderr, "FAULT: errno = %d\n", rc);
+	else
+		fprintf(stderr, "FAULT\n");
+	exit(EFAULT);
+}
+
+/**
+ * Handle a BPF program error
+ * @param rc the error or return code
+ * @param line the line number
+ *
+ * Print an "ERROR" to stderr to indicate a program error, and an errno value
+ * if the simulator is running in verbose mode, then exit with ENOEXEC.
+ *
+ */
+static void exit_error(unsigned int rc, unsigned int line)
+{
+	if (opt_verbose)
+		fprintf(stderr, "ERROR: errno = %d, line = %d\n", rc, line);
+	else
+		fprintf(stderr, "ERROR\n");
+	exit(ENOEXEC);
+}
+
+/**
+ * Handle a simulator return/action
+ * @param action the return value
+ * @param line the line number
+ *
+ * Display the action to stdout and exit with 0.
+ *
+ */
+static void end_action(uint32_t action, unsigned int line)
+{
+	uint32_t act = action & SECCOMP_RET_ACTION_FULL;
+	uint32_t data = action & SECCOMP_RET_DATA;
+
+	switch (act) {
+	case SECCOMP_RET_KILL_PROCESS:
+		fprintf(stdout, "KILL_PROCESS\n");
+		break;
+	case SECCOMP_RET_KILL_THREAD:
+		fprintf(stdout, "KILL\n");
+		break;
+	case SECCOMP_RET_TRAP:
+		fprintf(stdout, "TRAP\n");
+		break;
+	case SECCOMP_RET_ERRNO:
+		fprintf(stdout, "ERRNO(%u)\n", data);
+		break;
+	case SECCOMP_RET_TRACE:
+		fprintf(stdout, "TRACE(%u)\n", data);
+		break;
+	case SECCOMP_RET_LOG:
+		fprintf(stdout, "LOG\n");
+		break;
+	case SECCOMP_RET_ALLOW:
+		fprintf(stdout, "ALLOW\n");
+		break;
+	default:
+		exit_error(EDOM, line);
+	}
+
+	exit(0);
+}
+
+/**
+ * Execute a BPF program
+ * @param prg the loaded BPF program
+ * @param sys_data the syscall record being tested
+ *
+ * Simulate the BPF program with the given syscall record.
+ *
+ */
+static void bpf_execute(const struct bpf_program *prg,
+			const struct seccomp_data *sys_data)
+{
+	unsigned int ip, ip_c;
+	struct sim_state state;
+	bpf_instr_raw *bpf;
+	unsigned char *sys_data_b = (unsigned char *)sys_data;
+	uint16_t code;
+	uint8_t jt;
+	uint8_t jf;
+	uint32_t k;
+
+	/* initialize the machine state */
+	ip_c = 0;
+	ip = 0;
+	memset(&state, 0, sizeof(state));
+
+	while (ip < prg->i_cnt) {
+		/* get the instruction and bump the ip */
+		ip_c = ip;
+		bpf = &prg->i[ip++];
+
+		code = ttoh16(arch, bpf->code);
+		jt = bpf->jt;
+		jf = bpf->jf;
+		k = ttoh32(arch, bpf->k);
+
+		switch (code) {
+		case BPF_LD+BPF_W+BPF_ABS:
+			if (k < BPF_SYSCALL_MAX) {
+				uint32_t val = *((uint32_t *)&sys_data_b[k]);
+				state.acc = ttoh32(arch, val);
+			} else
+				exit_error(ERANGE, ip_c);
+			break;
+		case BPF_ALU+BPF_OR+BPF_K:
+			state.acc |= k;
+			break;
+		case BPF_ALU+BPF_AND+BPF_K:
+			state.acc &= k;
+			break;
+		case BPF_JMP+BPF_JA:
+			ip += k;
+			break;
+		case BPF_JMP+BPF_JEQ+BPF_K:
+			if (state.acc == k)
+				ip += jt;
+			else
+				ip += jf;
+			break;
+		case BPF_JMP+BPF_JGT+BPF_K:
+			if (state.acc > k)
+				ip += jt;
+			else
+				ip += jf;
+			break;
+		case BPF_JMP+BPF_JGE+BPF_K:
+			if (state.acc >= k)
+				ip += jt;
+			else
+				ip += jf;
+			break;
+		case BPF_RET+BPF_K:
+			end_action(k, ip_c);
+			break;
+		default:
+			/* since we don't support the full bpf language just
+			 * yet, this could be either a fault or an error, we'll
+			 * treat it as a fault until we provide full support */
+			exit_fault(EOPNOTSUPP);
+		}
+	}
+
+	/* if we've reached here there is a problem with the program */
+	exit_error(ERANGE, ip_c);
+}
+
+/**
+ * main
+ */
+int main(int argc, char *argv[])
+{
+	int opt;
+	int iter;
+	char *opt_file = NULL;
+	FILE *file;
+	size_t file_read_len;
+	struct seccomp_data sys_data;
+	struct bpf_program bpf_prg;
+
+	/* initialize the syscall record */
+	memset(&sys_data, 0, sizeof(sys_data));
+
+	/* parse the command line */
+	while ((opt = getopt(argc, argv, "a:f:hs:v0:1:2:3:4:5:")) > 0) {
+		switch (opt) {
+		case 'a':
+			if (strcmp(optarg, "x86") == 0)
+				arch = AUDIT_ARCH_I386;
+			else if (strcmp(optarg, "x86_64") == 0)
+				arch = AUDIT_ARCH_X86_64;
+			else if (strcmp(optarg, "x32") == 0)
+				arch = AUDIT_ARCH_X86_64;
+			else if (strcmp(optarg, "arm") == 0)
+				arch = AUDIT_ARCH_ARM;
+			else if (strcmp(optarg, "aarch64") == 0)
+				arch = AUDIT_ARCH_AARCH64;
+			else if (strcmp(optarg, "mips") == 0)
+				arch = AUDIT_ARCH_MIPS;
+			else if (strcmp(optarg, "mipsel") == 0)
+				arch = AUDIT_ARCH_MIPSEL;
+			else if (strcmp(optarg, "mips64") == 0)
+				arch = AUDIT_ARCH_MIPS64;
+			else if (strcmp(optarg, "mipsel64") == 0)
+				arch = AUDIT_ARCH_MIPSEL64;
+			else if (strcmp(optarg, "mips64n32") == 0)
+				arch = AUDIT_ARCH_MIPS64N32;
+			else if (strcmp(optarg, "mipsel64n32") == 0)
+				arch = AUDIT_ARCH_MIPSEL64N32;
+			else if (strcmp(optarg, "parisc") == 0)
+				arch = AUDIT_ARCH_PARISC;
+			else if (strcmp(optarg, "parisc64") == 0)
+				arch = AUDIT_ARCH_PARISC64;
+			else if (strcmp(optarg, "ppc") == 0)
+				arch = AUDIT_ARCH_PPC;
+			else if (strcmp(optarg, "ppc64") == 0)
+				arch = AUDIT_ARCH_PPC64;
+			else if (strcmp(optarg, "ppc64le") == 0)
+				arch = AUDIT_ARCH_PPC64LE;
+			else if (strcmp(optarg, "s390") == 0)
+				arch = AUDIT_ARCH_S390;
+			else if (strcmp(optarg, "s390x") == 0)
+				arch = AUDIT_ARCH_S390X;
+			else if (strcmp(optarg, "riscv64") == 0)
+				arch = AUDIT_ARCH_RISCV64;
+			else
+				exit_fault(EINVAL);
+			break;
+		case 'f':
+			if (opt_file)
+				exit_fault(EINVAL);
+			opt_file = strdup(optarg);
+			if (opt_file == NULL)
+				exit_fault(ENOMEM);
+			break;
+		case 's':
+			sys_data.nr = strtol(optarg, NULL, 0);
+			break;
+		case 'v':
+			opt_verbose = 1;
+			break;
+		case '0':
+			sys_data.args[0] = strtoull(optarg, NULL, 0);
+			break;
+		case '1':
+			sys_data.args[1] = strtoull(optarg, NULL, 0);
+			break;
+		case '2':
+			sys_data.args[2] = strtoull(optarg, NULL, 0);
+			break;
+		case '3':
+			sys_data.args[3] = strtoull(optarg, NULL, 0);
+			break;
+		case '4':
+			sys_data.args[4] = strtoull(optarg, NULL, 0);
+			break;
+		case '5':
+			sys_data.args[5] = strtoull(optarg, NULL, 0);
+			break;
+		case 'h':
+		default:
+			/* usage information */
+			exit_usage(argv[0]);
+		}
+	}
+
+	/* adjust the endianess of sys_data to match the target */
+	sys_data.nr = htot32(arch, sys_data.nr);
+	sys_data.arch = htot32(arch, arch);
+	sys_data.instruction_pointer = htot64(arch,
+					      sys_data.instruction_pointer);
+	for (iter = 0; iter < BPF_SYS_ARG_MAX; iter++)
+		sys_data.args[iter] = htot64(arch, sys_data.args[iter]);
+
+	/* allocate space for the bpf program */
+	/* XXX - we should make this dynamic */
+	bpf_prg.i_cnt = 0;
+	bpf_prg.i = calloc(BPF_PRG_MAX_LEN, sizeof(*bpf_prg.i));
+	if (bpf_prg.i == NULL)
+		exit_fault(ENOMEM);
+
+	/* load the bpf program */
+	if (opt_file == NULL)
+		exit_usage(argv[0]);
+	file = fopen(opt_file, "r");
+	if (file == NULL)
+		exit_fault(errno);
+	do {
+		file_read_len = fread(&(bpf_prg.i[bpf_prg.i_cnt]),
+				      sizeof(*bpf_prg.i), 1, file);
+		if (file_read_len == 1)
+			bpf_prg.i_cnt++;
+
+		/* check the size */
+		if (bpf_prg.i_cnt == BPF_PRG_MAX_LEN)
+			exit_fault(E2BIG);
+	} while (file_read_len > 0);
+	fclose(file);
+
+	/* execute the bpf program */
+	bpf_execute(&bpf_prg, &sys_data);
+
+	/* we should never reach here */
+	exit_fault(EFAULT);
+	return 0;
+}
diff --git a/tools/scmp_sys_resolver.c b/tools/scmp_sys_resolver.c
new file mode 100644
index 0000000..9be2c24
--- /dev/null
+++ b/tools/scmp_sys_resolver.c
@@ -0,0 +1,96 @@
+/**
+ * Syscall resolver
+ *
+ * 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 <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <seccomp.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>] [-t] <name>|<number>\n",
+		program);
+	exit(EINVAL);
+}
+
+/**
+ * main
+ */
+int main(int argc, char *argv[])
+{
+	int opt;
+	int translate = 0;
+	uint32_t arch;
+	int sys_num;
+	const char *sys_name;
+
+	arch = seccomp_arch_native();
+
+	/* parse the command line */
+	while ((opt = getopt(argc, argv, "a:ht")) > 0) {
+		switch (opt) {
+		case 'a':
+			arch = seccomp_arch_resolve_name(optarg);
+			if (arch == 0)
+				exit_usage(argv[0]);
+			break;
+		case 't':
+			translate = 1;
+			break;
+		case 'h':
+		default:
+			/* usage information */
+			exit_usage(argv[0]);
+		}
+	}
+
+	/* sanity checks */
+	if (optind >= argc)
+		exit_usage(argv[0]);
+
+	/* perform the syscall lookup */
+	if (isdigit(argv[optind][0]) || argv[optind][0] == '-') {
+		sys_num = atoi(argv[optind]);
+		sys_name = seccomp_syscall_resolve_num_arch(arch, sys_num);
+		printf("%s\n", (sys_name ? sys_name : "UNKNOWN"));
+	} else if (translate) {
+		sys_num = seccomp_syscall_resolve_name_rewrite(arch,
+							       argv[optind]);
+		printf("%d\n", sys_num);
+	} else {
+		sys_num = seccomp_syscall_resolve_name_arch(arch, argv[optind]);
+		printf("%d\n", sys_num);
+	}
+
+	return 0;
+}
diff --git a/tools/util.c b/tools/util.c
new file mode 100644
index 0000000..5687b30
--- /dev/null
+++ b/tools/util.c
@@ -0,0 +1,152 @@
+/**
+ * Tool utility functions
+ *
+ * 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 <linux/audit.h>
+
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+#include <endian.h>
+
+#include "util.h"
+
+/* determine the native architecture */
+#if __i386__
+#define ARCH_NATIVE		AUDIT_ARCH_I386
+#elif __x86_64__
+#ifdef __ILP32__
+#define ARCH_NATIVE		AUDIT_ARCH_X86_64
+#else
+#define ARCH_NATIVE		AUDIT_ARCH_X86_64
+#endif /* __ILP32__ */
+#elif __arm__
+#define ARCH_NATIVE		AUDIT_ARCH_ARM
+#elif __aarch64__
+#define ARCH_NATIVE		AUDIT_ARCH_AARCH64
+#elif __mips__ && _MIPS_SIM == _MIPS_SIM_ABI32
+#if __MIPSEB__
+#define ARCH_NATIVE		AUDIT_ARCH_MIPS
+#elif __MIPSEL__
+#define ARCH_NATIVE		AUDIT_ARCH_MIPSEL
+#endif /* _MIPS_SIM_ABI32 */
+#elif __mips__ && _MIPS_SIM == _MIPS_SIM_ABI64
+#if __MIPSEB__
+#define ARCH_NATIVE		AUDIT_ARCH_MIPS64
+#elif __MIPSEL__
+#define ARCH_NATIVE		AUDIT_ARCH_MIPSEL64
+#endif /* _MIPS_SIM_ABI64 */
+#elif __mips__ && _MIPS_SIM == _MIPS_SIM_NABI32
+#if __MIPSEB__
+#define ARCH_NATIVE		AUDIT_ARCH_MIPS64N32
+#elif __MIPSEL__
+#define ARCH_NATIVE		AUDIT_ARCH_MIPSEL64N32
+#endif /* _MIPS_SIM_NABI32 */
+#elif __hppa64__
+#define ARCH_NATIVE		AUDIT_ARCH_PARISC64
+#elif __hppa__
+#define ARCH_NATIVE		AUDIT_ARCH_PARISC
+#elif __PPC64__
+#ifdef __BIG_ENDIAN__
+#define ARCH_NATIVE		AUDIT_ARCH_PPC64
+#else
+#define ARCH_NATIVE		AUDIT_ARCH_PPC64LE
+#endif
+#elif __PPC__
+#define ARCH_NATIVE		AUDIT_ARCH_PPC
+#elif __s390x__ /* s390x must be checked before s390 */
+#define ARCH_NATIVE		AUDIT_ARCH_S390X
+#elif __s390__
+#define ARCH_NATIVE		AUDIT_ARCH_S390
+#elif __riscv && __riscv_xlen == 64
+#define ARCH_NATIVE		AUDIT_ARCH_RISCV64
+#else
+#error the simulator code needs to know about your machine type
+#endif
+
+/* default to the native arch */
+uint32_t arch = ARCH_NATIVE;
+
+/**
+ * Convert a 16-bit target integer into the host's endianess
+ * @param arch_token the architecture token
+ * @param val the 16-bit integer
+ *
+ * Convert the endianess of the supplied value and return it to the caller.
+ *
+ */
+uint16_t ttoh16(uint32_t arch_token, uint16_t val)
+{
+	if (arch_token & __AUDIT_ARCH_LE)
+		return le16toh(val);
+	else
+		return be16toh(val);
+}
+
+/**
+ * Convert a 32-bit target integer into the host's endianess
+ * @param arch_token the architecture token
+ * @param val the 32-bit integer
+ *
+ * Convert the endianess of the supplied value and return it to the caller.
+ *
+ */
+uint32_t ttoh32(uint32_t arch_token, uint32_t val)
+{
+	if (arch_token & __AUDIT_ARCH_LE)
+		return le32toh(val);
+	else
+		return be32toh(val);
+}
+
+/**
+ * Convert a 32-bit host integer into the target's endianess
+ * @param arch_token the architecture token
+ * @param val the 32-bit integer
+ *
+ * Convert the endianess of the supplied value and return it to the caller.
+ *
+ */
+uint32_t htot32(uint32_t arch_token, uint32_t val)
+{
+	if (arch_token & __AUDIT_ARCH_LE)
+		return htole32(val);
+	else
+		return htobe32(val);
+}
+
+/**
+ * Convert a 64-bit host integer into the target's endianess
+ * @param arch_token the architecture token
+ * @param val the 64-bit integer
+ *
+ * Convert the endianess of the supplied value and return it to the caller.
+ *
+ */
+uint64_t htot64(uint32_t arch_token, uint64_t val)
+{
+	if (arch_token & __AUDIT_ARCH_LE)
+		return htole64(val);
+	else
+		return htobe64(val);
+}
diff --git a/tools/util.h b/tools/util.h
new file mode 100644
index 0000000..6c2ca33
--- /dev/null
+++ b/tools/util.h
@@ -0,0 +1,90 @@
+/**
+ * Tool utility functions
+ *
+ * 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 _UTIL_H
+#define _UTIL_H
+
+#include <elf.h>
+#include <inttypes.h>
+#include <linux/audit.h>
+
+/**
+ * The ARM architecture tokens
+ */
+/* AArch64 support for audit was merged in 3.17-rc1 */
+#ifndef AUDIT_ARCH_AARCH64
+#ifndef EM_AARCH64
+#define EM_AARCH64		183
+#endif /* EM_AARCH64 */
+#define AUDIT_ARCH_AARCH64	(EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#endif /* AUDIT_ARCH_AARCH64 */
+
+/**
+ * The MIPS architecture tokens
+ */
+#ifndef __AUDIT_ARCH_CONVENTION_MIPS64_N32
+#define __AUDIT_ARCH_CONVENTION_MIPS64_N32	0x20000000
+#endif
+#ifndef EM_MIPS
+#define EM_MIPS			8
+#endif
+#ifndef AUDIT_ARCH_MIPS
+#define AUDIT_ARCH_MIPS		(EM_MIPS)
+#endif
+#ifndef AUDIT_ARCH_MIPS64
+#define AUDIT_ARCH_MIPS64	(EM_MIPS|__AUDIT_ARCH_64BIT)
+#endif
+/* MIPS64N32 support was merged in 3.15 */
+#ifndef AUDIT_ARCH_MIPS64N32
+#define AUDIT_ARCH_MIPS64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|\
+				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
+#endif
+/* MIPSEL64N32 support was merged in 3.15 */
+#ifndef AUDIT_ARCH_MIPSEL64N32
+#define AUDIT_ARCH_MIPSEL64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE|\
+				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
+#endif
+
+#ifndef AUDIT_ARCH_AARCH64
+/* AArch64 support for audit was merged in 3.17-rc1 */
+#define AUDIT_ARCH_AARCH64	(EM_AARCH64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#endif
+
+#ifndef AUDIT_ARCH_PPC64LE
+#define AUDIT_ARCH_PPC64LE	(EM_PPC64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#endif
+
+#ifndef AUDIT_ARCH_RISCV64
+#ifndef EM_RISCV
+#define EM_RISCV		243
+#endif /* EM_RISCV */
+#define AUDIT_ARCH_RISCV64	(EM_RISCV|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#endif /* AUDIT_ARCH_RISCV64 */
+
+extern uint32_t arch;
+
+uint16_t ttoh16(uint32_t arch, uint16_t val);
+uint32_t ttoh32(uint32_t arch, uint32_t val);
+
+uint32_t htot32(uint32_t arch, uint32_t val);
+uint64_t htot64(uint32_t arch, uint64_t val);
+
+#endif