MatCat.OpenSource/8sa1-gcc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Libsanitizer merge from trunk r368656.

Browse Source 
2019-08-14  Martin Liska  <mliska@suse.cz>

	PR sanitizer/89832
	PR sanitizer/91325
	* All source files: Merge from upstream 368656.

From-SVN: r274426
This commit is contained in:
Martin Liska 2019-08-14 10:47:11 +02:00 committed by Martin Liska
parent 063082768a
commit b667dd7017
399 changed files with 11958 additions and 4489 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libsanitizer/ChangeLog
View File

@ -1,3 +1,9 @@
2019-08-14 Martin Liska <mliska@suse.cz>
PR sanitizer/89832
PR sanitizer/91325
* All source files: Merge from upstream 368656.
2019-06-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* sanitizer_common/sanitizer_posix_libcdep.cc: Cherry-pick

2
libsanitizer/MERGE
View File

@ -1,4 +1,4 @@
345033
368656
The first line of this file holds the svn revision number of the
last merge done from the master library sources.

8
libsanitizer/Makefile.in
View File

@ -1,7 +1,7 @@
# Makefile.in generated by automake 1.15.1 from Makefile.am.
# Makefile.in generated by automake 1.16.1 from Makefile.am.
# @configure_input@
# Copyright (C) 1994-2017 Free Software Foundation, Inc.
# Copyright (C) 1994-2018 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -435,8 +435,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
echo ' $(SHELL) ./config.status'; \
$(SHELL) ./config.status;; \
*) \
echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles)'; \
cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles);; \
esac;
$(top_srcdir)/../multilib.am $(am__empty):

189
libsanitizer/aclocal.m4 vendored
View File

@ -1,6 +1,6 @@
# generated automatically by aclocal 1.15.1 -*- Autoconf -*-
# generated automatically by aclocal 1.16.1 -*- Autoconf -*-
# Copyright (C) 1996-2017 Free Software Foundation, Inc.
# Copyright (C) 1996-2018 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -20,7 +20,7 @@ You have another version of autoconf. It may work, but is not guaranteed to.
If you have problems, you may need to regenerate the build system entirely.
To do so, use the procedure documented by the package, typically 'autoreconf'.])])
# Copyright (C) 2002-2017 Free Software Foundation, Inc.
# Copyright (C) 2002-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -32,10 +32,10 @@ To do so, use the procedure documented by the package, typically 'autoreconf'.])
# generated from the m4 files accompanying Automake X.Y.
# (This private macro should not be called outside this file.)
AC_DEFUN([AM_AUTOMAKE_VERSION],
[am__api_version='1.15'
[am__api_version='1.16'
dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
dnl require some minimum version. Point them to the right macro.
m4_if([$1], [1.15.1], [],
m4_if([$1], [1.16.1], [],
[AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
])
@ -51,14 +51,14 @@ m4_define([_AM_AUTOCONF_VERSION], [])
# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
[AM_AUTOMAKE_VERSION([1.15.1])dnl
[AM_AUTOMAKE_VERSION([1.16.1])dnl
m4_ifndef([AC_AUTOCONF_VERSION],
[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
# Figure out how to run the assembler. -*- Autoconf -*-
# Copyright (C) 2001-2017 Free Software Foundation, Inc.
# Copyright (C) 2001-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -78,7 +78,7 @@ _AM_IF_OPTION([no-dependencies],, [_AM_DEPENDENCIES([CCAS])])dnl
# AM_AUX_DIR_EXPAND -*- Autoconf -*-
# Copyright (C) 2001-2017 Free Software Foundation, Inc.
# Copyright (C) 2001-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -130,7 +130,7 @@ am_aux_dir=`cd "$ac_aux_dir" && pwd`
# AM_CONDITIONAL -*- Autoconf -*-
# Copyright (C) 1997-2017 Free Software Foundation, Inc.
# Copyright (C) 1997-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -161,7 +161,7 @@ AC_CONFIG_COMMANDS_PRE(
Usually this means the macro was only invoked conditionally.]])
fi])])
# Copyright (C) 1999-2017 Free Software Foundation, Inc.
# Copyright (C) 1999-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -352,13 +352,12 @@ _AM_SUBST_NOTMAKE([am__nodep])dnl
# Generate code to set up dependency tracking. -*- Autoconf -*-
# Copyright (C) 1999-2017 Free Software Foundation, Inc.
# Copyright (C) 1999-2018 Free Software Foundation, Inc.
#
# This file 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.
# _AM_OUTPUT_DEPENDENCY_COMMANDS
# ------------------------------
AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
@ -366,49 +365,41 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
# Older Autoconf quotes --file arguments for eval, but not when files
# are listed without --file. Let's play safe and only enable the eval
# if we detect the quoting.
case $CONFIG_FILES in
*\'*) eval set x "$CONFIG_FILES" ;;
*) set x $CONFIG_FILES ;;
esac
# TODO: see whether this extra hack can be removed once we start
# requiring Autoconf 2.70 or later.
AS_CASE([$CONFIG_FILES],
[*\'*], [eval set x "$CONFIG_FILES"],
[*], [set x $CONFIG_FILES])
shift
for mf
# Used to flag and report bootstrapping failures.
am_rc=0
for am_mf
do
# Strip MF so we end up with the name of the file.
mf=`echo "$mf" | sed -e 's/:.*$//'`
# Check whether this is an Automake generated Makefile or not.
# We used to match only the files named 'Makefile.in', but
# some people rename them; so instead we look at the file content.
# Grep'ing the first line is not enough: some people post-process
# each Makefile.in and add a new line on top of each file to say so.
# Grep'ing the whole file is not good either: AIX grep has a line
am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
# Check whether this is an Automake generated Makefile which includes
# dependency-tracking related rules and includes.
# Grep'ing the whole file directly is not great: AIX grep has a line
# limit of 2048, but all sed's we know have understand at least 4000.
if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
dirpart=`AS_DIRNAME("$mf")`
else
continue
sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
|| continue
am_dirpart=`AS_DIRNAME(["$am_mf"])`
am_filepart=`AS_BASENAME(["$am_mf"])`
AM_RUN_LOG([cd "$am_dirpart" \
&& sed -e '/# am--include-marker/d' "$am_filepart" \
| $MAKE -f - am--depfiles]) || am_rc=$?
done
if test $am_rc -ne 0; then
AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
for automatic dependency tracking. Try re-running configure with the
'--disable-dependency-tracking' option to at least be able to build
the package (albeit without support for automatic dependency tracking).])
fi
# Extract the definition of DEPDIR, am__include, and am__quote
# from the Makefile without running 'make'.
DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
test -z "$DEPDIR" && continue
am__include=`sed -n 's/^am__include = //p' < "$mf"`
test -z "$am__include" && continue
am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
# Find all dependency output files, they are included files with
# $(DEPDIR) in their names. We invoke sed twice because it is the
# simplest approach to changing $(DEPDIR) to its actual value in the
# expansion.
for file in `sed -n "
s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
# Make sure the directory exists.
test -f "$dirpart/$file" && continue
fdir=`AS_DIRNAME(["$file"])`
AS_MKDIR_P([$dirpart/$fdir])
# echo "creating $dirpart/$file"
echo '# dummy' > "$dirpart/$file"
done
done
AS_UNSET([am_dirpart])
AS_UNSET([am_filepart])
AS_UNSET([am_mf])
AS_UNSET([am_rc])
rm -f conftest-deps.mk
}
])# _AM_OUTPUT_DEPENDENCY_COMMANDS
@ -417,18 +408,17 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
# -----------------------------
# This macro should only be invoked once -- use via AC_REQUIRE.
#
# This code is only required when automatic dependency tracking
# is enabled. FIXME. This creates each '.P' file that we will
# need in order to bootstrap the dependency handling code.
# This code is only required when automatic dependency tracking is enabled.
# This creates each '.Po' and '.Plo' makefile fragment that we'll need in
# order to bootstrap the dependency handling code.
AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
[AC_CONFIG_COMMANDS([depfiles],
[test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
[AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
])
[AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])
# Do all the work for Automake. -*- Autoconf -*-
# Copyright (C) 1996-2017 Free Software Foundation, Inc.
# Copyright (C) 1996-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -515,8 +505,8 @@ AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
AC_REQUIRE([AC_PROG_MKDIR_P])dnl
# For better backward compatibility. To be removed once Automake 1.9.x
# dies out for good. For more background, see:
# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
# We need awk for the "check" target (and possibly the TAP driver). The
# system "awk" is bad on some platforms.
@ -583,7 +573,7 @@ END
Aborting the configuration process, to ensure you take notice of the issue.
You can download and install GNU coreutils to get an 'rm' implementation
that behaves properly: <http://www.gnu.org/software/coreutils/>.
that behaves properly: <https://www.gnu.org/software/coreutils/>.
If you want to complete the configuration process using your problematic
'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
@ -625,7 +615,7 @@ for _am_header in $config_headers :; do
done
echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
# Copyright (C) 2001-2017 Free Software Foundation, Inc.
# Copyright (C) 2001-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -649,7 +639,7 @@ AC_SUBST([install_sh])])
# Add --enable-maintainer-mode option to configure. -*- Autoconf -*-
# From Jim Meyering
# Copyright (C) 1996-2017 Free Software Foundation, Inc.
# Copyright (C) 1996-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -684,7 +674,7 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
# Check to see how 'make' treats includes. -*- Autoconf -*-
# Copyright (C) 2001-2017 Free Software Foundation, Inc.
# Copyright (C) 2001-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -692,49 +682,42 @@ AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
# AM_MAKE_INCLUDE()
# -----------------
# Check to see how make treats includes.
# Check whether make has an 'include' directive that can support all
# the idioms we need for our automatic dependency tracking code.
AC_DEFUN([AM_MAKE_INCLUDE],
[am_make=${MAKE-make}
cat > confinc << 'END'
[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
cat > confinc.mk << 'END'
am__doit:
@echo this is the am__doit target
@echo this is the am__doit target >confinc.out
.PHONY: am__doit
END
# If we don't find an include directive, just comment out the code.
AC_MSG_CHECKING([for style of include used by $am_make])
am__include="#"
am__quote=
_am_result=none
# First try GNU make style include.
echo "include confinc" > confmf
# Ignore all kinds of additional output from 'make'.
case `$am_make -s -f confmf 2> /dev/null` in #(
*the\ am__doit\ target*)
am__include=include
am__quote=
_am_result=GNU
;;
esac
# Now try BSD make style include.
if test "$am__include" = "#"; then
echo '.include "confinc"' > confmf
case `$am_make -s -f confmf 2> /dev/null` in #(
*the\ am__doit\ target*)
am__include=.include
am__quote="\""
_am_result=BSD
;;
esac
# BSD make does it like this.
echo '.include "confinc.mk" # ignored' > confmf.BSD
# Other make implementations (GNU, Solaris 10, AIX) do it like this.
echo 'include confinc.mk # ignored' > confmf.GNU
_am_result=no
for s in GNU BSD; do
AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
AS_CASE([$?:`cat confinc.out 2>/dev/null`],
['0:this is the am__doit target'],
[AS_CASE([$s],
[BSD], [am__include='.include' am__quote='"'],
[am__include='include' am__quote=''])])
if test "$am__include" != "#"; then
_am_result="yes ($s style)"
break
fi
AC_SUBST([am__include])
AC_SUBST([am__quote])
AC_MSG_RESULT([$_am_result])
rm -f confinc confmf
])
done
rm -f confinc.* confmf.*
AC_MSG_RESULT([${_am_result}])
AC_SUBST([am__include])])
AC_SUBST([am__quote])])
# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
# Copyright (C) 1997-2017 Free Software Foundation, Inc.
# Copyright (C) 1997-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -773,7 +756,7 @@ fi
# Helper functions for option handling. -*- Autoconf -*-
# Copyright (C) 2001-2017 Free Software Foundation, Inc.
# Copyright (C) 2001-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -802,7 +785,7 @@ AC_DEFUN([_AM_SET_OPTIONS],
AC_DEFUN([_AM_IF_OPTION],
[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
# Copyright (C) 1999-2017 Free Software Foundation, Inc.
# Copyright (C) 1999-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -849,7 +832,7 @@ AC_LANG_POP([C])])
# For backward compatibility.
AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
# Copyright (C) 2001-2017 Free Software Foundation, Inc.
# Copyright (C) 2001-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -868,7 +851,7 @@ AC_DEFUN([AM_RUN_LOG],
# Check to make sure that the build environment is sane. -*- Autoconf -*-
# Copyright (C) 1996-2017 Free Software Foundation, Inc.
# Copyright (C) 1996-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -949,7 +932,7 @@ AC_CONFIG_COMMANDS_PRE(
rm -f conftest.file
])
# Copyright (C) 2009-2017 Free Software Foundation, Inc.
# Copyright (C) 2009-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -1009,7 +992,7 @@ AC_SUBST([AM_BACKSLASH])dnl
_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
])
# Copyright (C) 2001-2017 Free Software Foundation, Inc.
# Copyright (C) 2001-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -1037,7 +1020,7 @@ fi
INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
AC_SUBST([INSTALL_STRIP_PROGRAM])])
# Copyright (C) 2006-2017 Free Software Foundation, Inc.
# Copyright (C) 2006-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -1056,7 +1039,7 @@ AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
# Check how to create a tarball. -*- Autoconf -*-
# Copyright (C) 2004-2017 Free Software Foundation, Inc.
# Copyright (C) 2004-2018 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,

63
libsanitizer/asan/Makefile.am
View File

@ -17,37 +17,38 @@ toolexeclib_LTLIBRARIES = libasan.la
nodist_toolexeclib_HEADERS = libasan_preinit.o
asan_files = \
asan_activation.cc \
asan_allocator.cc \
asan_debugging.cc \
asan_descriptions.cc \
asan_errors.cc \
asan_fake_stack.cc \
asan_flags.cc \
asan_globals.cc \
asan_interceptors.cc \
asan_interceptors_memintrinsics.cc \
asan_linux.cc \
asan_mac.cc \
asan_malloc_linux.cc \
asan_malloc_mac.cc \
asan_malloc_win.cc \
asan_memory_profile.cc \
asan_new_delete.cc \
asan_poisoning.cc \
asan_posix.cc \
asan_premap_shadow.cc \
asan_report.cc \
asan_rtems.cc \
asan_rtl.cc \
asan_shadow_setup.cc \
asan_stack.cc \
asan_stats.cc \
asan_suppressions.cc \
asan_thread.cc \
asan_win.cc \
asan_win_dll_thunk.cc \
asan_win_dynamic_runtime_thunk.cc
asan_activation.cpp \
asan_allocator.cpp \
asan_debugging.cpp \
asan_descriptions.cpp \
asan_errors.cpp \
asan_fake_stack.cpp \
asan_flags.cpp \
asan_globals.cpp \
asan_interceptors.cpp \
asan_interceptors_memintrinsics.cpp \
asan_linux.cpp \
asan_mac.cpp \
asan_malloc_linux.cpp \
asan_malloc_mac.cpp \
asan_malloc_win.cpp \
asan_memory_profile.cpp \
asan_new_delete.cpp \
asan_poisoning.cpp \
asan_posix.cpp \
asan_premap_shadow.cpp \
asan_report.cpp \
asan_rtems.cpp \
asan_rtl.cpp \
asan_shadow_setup.cpp \
asan_stack.cpp \
asan_stats.cpp \
asan_suppressions.cpp \
asan_thread.cpp \
asan_win.cpp \
asan_win_dll_thunk.cpp \
asan_win_dynamic_runtime_thunk.cpp \
asan_interceptors_vfork.S
libasan_la_SOURCES = $(asan_files)
libasan_la_LIBADD = $(top_builddir)/sanitizer_common/libsanitizer_common.la $(top_builddir)/lsan/libsanitizer_lsan.la

321
libsanitizer/asan/Makefile.in
View File

@ -1,7 +1,7 @@
# Makefile.in generated by automake 1.15.1 from Makefile.am.
# Makefile.in generated by automake 1.16.1 from Makefile.am.
# @configure_input@
# Copyright (C) 1994-2017 Free Software Foundation, Inc.
# Copyright (C) 1994-2018 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -158,7 +158,8 @@ am__objects_1 = asan_activation.lo asan_allocator.lo asan_debugging.lo \
asan_posix.lo asan_premap_shadow.lo asan_report.lo \
asan_rtems.lo asan_rtl.lo asan_shadow_setup.lo asan_stack.lo \
asan_stats.lo asan_suppressions.lo asan_thread.lo asan_win.lo \
asan_win_dll_thunk.lo asan_win_dynamic_runtime_thunk.lo
asan_win_dll_thunk.lo asan_win_dynamic_runtime_thunk.lo \
asan_interceptors_vfork.lo
am_libasan_la_OBJECTS = $(am__objects_1)
libasan_la_OBJECTS = $(am_libasan_la_OBJECTS)
AM_V_lt = $(am__v_lt_@AM_V@)
@ -182,8 +183,38 @@ am__v_at_0 = @
am__v_at_1 =
DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
depcomp = $(SHELL) $(top_srcdir)/../depcomp
am__depfiles_maybe = depfiles
am__maybe_remake_depfiles = depfiles
am__depfiles_remade = ./$(DEPDIR)/asan_activation.Plo \
./$(DEPDIR)/asan_allocator.Plo ./$(DEPDIR)/asan_debugging.Plo \
./$(DEPDIR)/asan_descriptions.Plo ./$(DEPDIR)/asan_errors.Plo \
./$(DEPDIR)/asan_fake_stack.Plo ./$(DEPDIR)/asan_flags.Plo \
./$(DEPDIR)/asan_globals.Plo ./$(DEPDIR)/asan_interceptors.Plo \
./$(DEPDIR)/asan_interceptors_memintrinsics.Plo \
./$(DEPDIR)/asan_interceptors_vfork.Plo \
./$(DEPDIR)/asan_linux.Plo ./$(DEPDIR)/asan_mac.Plo \
./$(DEPDIR)/asan_malloc_linux.Plo \
./$(DEPDIR)/asan_malloc_mac.Plo \
./$(DEPDIR)/asan_malloc_win.Plo \
./$(DEPDIR)/asan_memory_profile.Plo \
./$(DEPDIR)/asan_new_delete.Plo ./$(DEPDIR)/asan_poisoning.Plo \
./$(DEPDIR)/asan_posix.Plo ./$(DEPDIR)/asan_premap_shadow.Plo \
./$(DEPDIR)/asan_report.Plo ./$(DEPDIR)/asan_rtems.Plo \
./$(DEPDIR)/asan_rtl.Plo ./$(DEPDIR)/asan_shadow_setup.Plo \
./$(DEPDIR)/asan_stack.Plo ./$(DEPDIR)/asan_stats.Plo \
./$(DEPDIR)/asan_suppressions.Plo ./$(DEPDIR)/asan_thread.Plo \
./$(DEPDIR)/asan_win.Plo ./$(DEPDIR)/asan_win_dll_thunk.Plo \
./$(DEPDIR)/asan_win_dynamic_runtime_thunk.Plo
am__mv = mv -f
CPPASCOMPILE = $(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CCASFLAGS) $(CCASFLAGS)
LTCPPASCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
$(LIBTOOLFLAGS) --mode=compile $(CCAS) $(DEFS) \
$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
$(AM_CCASFLAGS) $(CCASFLAGS)
AM_V_CPPAS = $(am__v_CPPAS_@AM_V@)
am__v_CPPAS_ = $(am__v_CPPAS_@AM_DEFAULT_V@)
am__v_CPPAS_0 = @echo " CPPAS " $@;
am__v_CPPAS_1 =
CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
LTCXXCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CXX $(AM_LIBTOOLFLAGS) \
@ -202,6 +233,24 @@ AM_V_CXXLD = $(am__v_CXXLD_@AM_V@)
am__v_CXXLD_ = $(am__v_CXXLD_@AM_DEFAULT_V@)
am__v_CXXLD_0 = @echo " CXXLD " $@;
am__v_CXXLD_1 =
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 = $(libasan_la_SOURCES)
am__can_run_installinfo = \
case $$AM_UPDATE_INFO_DIR in \
@ -256,8 +305,8 @@ CYGPATH_W = @CYGPATH_W@
DEFS = -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS \
-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS \
-DASAN_HAS_EXCEPTIONS=1 -DASAN_NEEDS_SEGV=1 \
-DCAN_SANITIZE_UB=0 \
-DASAN_HAS_CXA_RETHROW_PRIMARY_EXCEPTION=0 $(am__append_1)
-DCAN_SANITIZE_UB=0 -DASAN_HAS_CXA_RETHROW_PRIMARY_EXCEPTION=0 \
$(am__append_1)
DEPDIR = @DEPDIR@
DSYMUTIL = @DSYMUTIL@
DUMPBIN = @DUMPBIN@
@ -394,37 +443,38 @@ ACLOCAL_AMFLAGS = -I $(top_srcdir) -I $(top_srcdir)/config
toolexeclib_LTLIBRARIES = libasan.la
nodist_toolexeclib_HEADERS = libasan_preinit.o
asan_files = \
asan_activation.cc \
asan_allocator.cc \
asan_debugging.cc \
asan_descriptions.cc \
asan_errors.cc \
asan_fake_stack.cc \
asan_flags.cc \
asan_globals.cc \
asan_interceptors.cc \
asan_interceptors_memintrinsics.cc \
asan_linux.cc \
asan_mac.cc \
asan_malloc_linux.cc \
asan_malloc_mac.cc \
asan_malloc_win.cc \
asan_memory_profile.cc \
asan_new_delete.cc \
asan_poisoning.cc \
asan_posix.cc \
asan_premap_shadow.cc \
asan_report.cc \
asan_rtems.cc \
asan_rtl.cc \
asan_shadow_setup.cc \
asan_stack.cc \
asan_stats.cc \
asan_suppressions.cc \
asan_thread.cc \
asan_win.cc \
asan_win_dll_thunk.cc \
asan_win_dynamic_runtime_thunk.cc
asan_activation.cpp \
asan_allocator.cpp \
asan_debugging.cpp \
asan_descriptions.cpp \
asan_errors.cpp \
asan_fake_stack.cpp \
asan_flags.cpp \
asan_globals.cpp \
asan_interceptors.cpp \
asan_interceptors_memintrinsics.cpp \
asan_linux.cpp \
asan_mac.cpp \
asan_malloc_linux.cpp \
asan_malloc_mac.cpp \
asan_malloc_win.cpp \
asan_memory_profile.cpp \
asan_new_delete.cpp \
asan_poisoning.cpp \
asan_posix.cpp \
asan_premap_shadow.cpp \
asan_report.cpp \
asan_rtems.cpp \
asan_rtl.cpp \
asan_shadow_setup.cpp \
asan_stack.cpp \
asan_stats.cpp \
asan_suppressions.cpp \
asan_thread.cpp \
asan_win.cpp \
asan_win_dll_thunk.cpp \
asan_win_dynamic_runtime_thunk.cpp \
asan_interceptors_vfork.S
libasan_la_SOURCES = $(asan_files)
libasan_la_LIBADD = \
@ -475,7 +525,7 @@ MAKEOVERRIDES =
all: all-am
.SUFFIXES:
.SUFFIXES: .cc .lo .o .obj
.SUFFIXES: .S .cpp .lo .o .obj
$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
@for dep in $?; do \
case '$(am__configure_deps)' in \
@ -493,8 +543,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
*config.status*) \
cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
*) \
echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
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 $(CONFIG_STATUS_DEPENDENCIES)
@ -550,53 +600,81 @@ mostlyclean-compile:
distclean-compile:
-rm -f *.tab.c
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_activation.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_allocator.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_debugging.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_descriptions.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_errors.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_fake_stack.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_flags.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_globals.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_interceptors.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_interceptors_memintrinsics.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_linux.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_mac.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_malloc_linux.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_malloc_mac.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_malloc_win.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_memory_profile.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_new_delete.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_poisoning.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_posix.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_premap_shadow.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_report.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_rtems.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_rtl.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_shadow_setup.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_stack.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_stats.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_suppressions.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_thread.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_win.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_win_dll_thunk.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_win_dynamic_runtime_thunk.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_activation.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_allocator.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_debugging.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_descriptions.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_errors.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_fake_stack.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_flags.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_globals.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_interceptors.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_interceptors_memintrinsics.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_interceptors_vfork.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_linux.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_mac.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_malloc_linux.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_malloc_mac.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_malloc_win.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_memory_profile.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_new_delete.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_poisoning.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_posix.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_premap_shadow.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_report.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_rtems.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_rtl.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_shadow_setup.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_stack.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_stats.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_suppressions.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_thread.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_win.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_win_dll_thunk.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/asan_win_dynamic_runtime_thunk.Plo@am__quote@ # am--include-marker
.cc.o:
$(am__depfiles_remade):
@$(MKDIR_P) $(@D)
@echo '# dummy' >$@-t && $(am__mv) $@-t $@
am--depfiles: $(am__depfiles_remade)
.S.o:
@am__fastdepCCAS_TRUE@ $(AM_V_CPPAS)$(CPPASCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@am__fastdepCCAS_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ $(AM_V_CPPAS)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ DEPDIR=$(DEPDIR) $(CCASDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCCAS_FALSE@ $(AM_V_CPPAS@am__nodep@)$(CPPASCOMPILE) -c -o $@ $<
.S.obj:
@am__fastdepCCAS_TRUE@ $(AM_V_CPPAS)$(CPPASCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
@am__fastdepCCAS_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ $(AM_V_CPPAS)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ DEPDIR=$(DEPDIR) $(CCASDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCCAS_FALSE@ $(AM_V_CPPAS@am__nodep@)$(CPPASCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
.S.lo:
@am__fastdepCCAS_TRUE@ $(AM_V_CPPAS)$(LTCPPASCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@am__fastdepCCAS_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ $(AM_V_CPPAS)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCCAS_FALSE@ DEPDIR=$(DEPDIR) $(CCASDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCCAS_FALSE@ $(AM_V_CPPAS@am__nodep@)$(LTCPPASCOMPILE) -c -o $@ $<
.cpp.o:
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ $<
.cc.obj:
.cpp.obj:
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
.cc.lo:
.cpp.lo:
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LTCXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
@ -724,7 +802,38 @@ clean-am: clean-generic clean-libtool clean-toolexeclibLTLIBRARIES \
mostlyclean-am
distclean: distclean-am
-rm -rf ./$(DEPDIR)
-rm -f ./$(DEPDIR)/asan_activation.Plo
-rm -f ./$(DEPDIR)/asan_allocator.Plo
-rm -f ./$(DEPDIR)/asan_debugging.Plo
-rm -f ./$(DEPDIR)/asan_descriptions.Plo
-rm -f ./$(DEPDIR)/asan_errors.Plo
-rm -f ./$(DEPDIR)/asan_fake_stack.Plo
-rm -f ./$(DEPDIR)/asan_flags.Plo
-rm -f ./$(DEPDIR)/asan_globals.Plo
-rm -f ./$(DEPDIR)/asan_interceptors.Plo
-rm -f ./$(DEPDIR)/asan_interceptors_memintrinsics.Plo
-rm -f ./$(DEPDIR)/asan_interceptors_vfork.Plo
-rm -f ./$(DEPDIR)/asan_linux.Plo
-rm -f ./$(DEPDIR)/asan_mac.Plo
-rm -f ./$(DEPDIR)/asan_malloc_linux.Plo
-rm -f ./$(DEPDIR)/asan_malloc_mac.Plo
-rm -f ./$(DEPDIR)/asan_malloc_win.Plo
-rm -f ./$(DEPDIR)/asan_memory_profile.Plo
-rm -f ./$(DEPDIR)/asan_new_delete.Plo
-rm -f ./$(DEPDIR)/asan_poisoning.Plo
-rm -f ./$(DEPDIR)/asan_posix.Plo
-rm -f ./$(DEPDIR)/asan_premap_shadow.Plo
-rm -f ./$(DEPDIR)/asan_report.Plo
-rm -f ./$(DEPDIR)/asan_rtems.Plo
-rm -f ./$(DEPDIR)/asan_rtl.Plo
-rm -f ./$(DEPDIR)/asan_shadow_setup.Plo
-rm -f ./$(DEPDIR)/asan_stack.Plo
-rm -f ./$(DEPDIR)/asan_stats.Plo
-rm -f ./$(DEPDIR)/asan_suppressions.Plo
-rm -f ./$(DEPDIR)/asan_thread.Plo
-rm -f ./$(DEPDIR)/asan_win.Plo
-rm -f ./$(DEPDIR)/asan_win_dll_thunk.Plo
-rm -f ./$(DEPDIR)/asan_win_dynamic_runtime_thunk.Plo
-rm -f Makefile
distclean-am: clean-am distclean-compile distclean-generic \
distclean-tags
@ -771,7 +880,38 @@ install-ps-am:
installcheck-am:
maintainer-clean: maintainer-clean-am
-rm -rf ./$(DEPDIR)
-rm -f ./$(DEPDIR)/asan_activation.Plo
-rm -f ./$(DEPDIR)/asan_allocator.Plo
-rm -f ./$(DEPDIR)/asan_debugging.Plo
-rm -f ./$(DEPDIR)/asan_descriptions.Plo
-rm -f ./$(DEPDIR)/asan_errors.Plo
-rm -f ./$(DEPDIR)/asan_fake_stack.Plo
-rm -f ./$(DEPDIR)/asan_flags.Plo
-rm -f ./$(DEPDIR)/asan_globals.Plo
-rm -f ./$(DEPDIR)/asan_interceptors.Plo
-rm -f ./$(DEPDIR)/asan_interceptors_memintrinsics.Plo
-rm -f ./$(DEPDIR)/asan_interceptors_vfork.Plo
-rm -f ./$(DEPDIR)/asan_linux.Plo
-rm -f ./$(DEPDIR)/asan_mac.Plo
-rm -f ./$(DEPDIR)/asan_malloc_linux.Plo
-rm -f ./$(DEPDIR)/asan_malloc_mac.Plo
-rm -f ./$(DEPDIR)/asan_malloc_win.Plo
-rm -f ./$(DEPDIR)/asan_memory_profile.Plo
-rm -f ./$(DEPDIR)/asan_new_delete.Plo
-rm -f ./$(DEPDIR)/asan_poisoning.Plo
-rm -f ./$(DEPDIR)/asan_posix.Plo
-rm -f ./$(DEPDIR)/asan_premap_shadow.Plo
-rm -f ./$(DEPDIR)/asan_report.Plo
-rm -f ./$(DEPDIR)/asan_rtems.Plo
-rm -f ./$(DEPDIR)/asan_rtl.Plo
-rm -f ./$(DEPDIR)/asan_shadow_setup.Plo
-rm -f ./$(DEPDIR)/asan_stack.Plo
-rm -f ./$(DEPDIR)/asan_stats.Plo
-rm -f ./$(DEPDIR)/asan_suppressions.Plo
-rm -f ./$(DEPDIR)/asan_thread.Plo
-rm -f ./$(DEPDIR)/asan_win.Plo
-rm -f ./$(DEPDIR)/asan_win_dll_thunk.Plo
-rm -f ./$(DEPDIR)/asan_win_dynamic_runtime_thunk.Plo
-rm -f Makefile
maintainer-clean-am: distclean-am maintainer-clean-generic
@ -793,20 +933,21 @@ uninstall-am: uninstall-nodist_toolexeclibHEADERS \
.MAKE: install-am install-strip
.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
clean-libtool clean-toolexeclibLTLIBRARIES cscopelist-am ctags \
ctags-am distclean distclean-compile distclean-generic \
distclean-libtool distclean-tags 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-html install-html-am install-info install-info-am \
install-man install-nodist_toolexeclibHEADERS install-pdf \
install-pdf-am install-ps install-ps-am install-strip \
install-toolexeclibLTLIBRARIES 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-nodist_toolexeclibHEADERS \
.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
clean-generic clean-libtool clean-toolexeclibLTLIBRARIES \
cscopelist-am ctags ctags-am distclean distclean-compile \
distclean-generic distclean-libtool distclean-tags 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-html install-html-am install-info \
install-info-am install-man install-nodist_toolexeclibHEADERS \
install-pdf install-pdf-am install-ps install-ps-am \
install-strip install-toolexeclibLTLIBRARIES 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-nodist_toolexeclibHEADERS \
uninstall-toolexeclibLTLIBRARIES
.PRECIOUS: Makefile

7
libsanitizer/asan/asan_activation.cc → libsanitizer/asan/asan_activation.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_activation.cc --------------------------------------*- C++ -*-===//
//===-- asan_activation.cpp -------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

5
libsanitizer/asan/asan_activation.h
View File

@ -1,7 +1,8 @@
//===-- asan_activation.h ---------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

5
libsanitizer/asan/asan_activation_flags.inc
View File

@ -1,7 +1,8 @@
//===-- asan_activation_flags.inc -------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

18
libsanitizer/asan/asan_allocator.cc → libsanitizer/asan/asan_allocator.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_allocator.cc -------------------------------------------------===//
//===-- asan_allocator.cpp ------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -878,6 +879,17 @@ void *asan_calloc(uptr nmemb, uptr size, BufferedStackTrace *stack) {
return SetErrnoOnNull(instance.Calloc(nmemb, size, stack));
}
void *asan_reallocarray(void *p, uptr nmemb, uptr size,
BufferedStackTrace *stack) {
if (UNLIKELY(CheckForCallocOverflow(size, nmemb))) {
errno = errno_ENOMEM;
if (AllocatorMayReturnNull())
return nullptr;
ReportReallocArrayOverflow(nmemb, size, stack);
}
return asan_realloc(p, nmemb * size, stack);
}
void *asan_realloc(void *p, uptr size, BufferedStackTrace *stack) {
if (!p)
return SetErrnoOnNull(instance.Allocate(size, 8, stack, FROM_MALLOC, true));

40
libsanitizer/asan/asan_allocator.h
View File

@ -1,13 +1,14 @@
//===-- asan_allocator.h ----------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for asan_allocator.cc.
// ASan-private header for asan_allocator.cpp.
//===----------------------------------------------------------------------===//
#ifndef ASAN_ALLOCATOR_H
@ -150,6 +151,7 @@ const uptr kAllocatorSpace = 0x600000000000ULL;
const uptr kAllocatorSize = 0x40000000000ULL; // 4T.
typedef DefaultSizeClassMap SizeClassMap;
# endif
template <typename AddressSpaceViewTy>
struct AP64 { // Allocator64 parameters. Deliberately using a short name.
static const uptr kSpaceBeg = kAllocatorSpace;
static const uptr kSpaceSize = kAllocatorSize;
@ -157,37 +159,37 @@ struct AP64 { // Allocator64 parameters. Deliberately using a short name.
typedef __asan::SizeClassMap SizeClassMap;
typedef AsanMapUnmapCallback MapUnmapCallback;
static const uptr kFlags = 0;
using AddressSpaceView = AddressSpaceViewTy;
};
typedef SizeClassAllocator64<AP64> PrimaryAllocator;
template <typename AddressSpaceView>
using PrimaryAllocatorASVT = SizeClassAllocator64<AP64<AddressSpaceView>>;
using PrimaryAllocator = PrimaryAllocatorASVT<LocalAddressSpaceView>;
#else // Fallback to SizeClassAllocator32.
static const uptr kRegionSizeLog = 20;
static const uptr kNumRegions = SANITIZER_MMAP_RANGE_SIZE >> kRegionSizeLog;
# if SANITIZER_WORDSIZE == 32
typedef FlatByteMap<kNumRegions> ByteMap;
# elif SANITIZER_WORDSIZE == 64
typedef TwoLevelByteMap<(kNumRegions >> 12), 1 << 12> ByteMap;
# endif
typedef CompactSizeClassMap SizeClassMap;
template <typename AddressSpaceViewTy>
struct AP32 {
static const uptr kSpaceBeg = 0;
static const u64 kSpaceSize = SANITIZER_MMAP_RANGE_SIZE;
static const uptr kMetadataSize = 16;
typedef __asan::SizeClassMap SizeClassMap;
static const uptr kRegionSizeLog = __asan::kRegionSizeLog;
typedef __asan::ByteMap ByteMap;
static const uptr kRegionSizeLog = 20;
using AddressSpaceView = AddressSpaceViewTy;
typedef AsanMapUnmapCallback MapUnmapCallback;
static const uptr kFlags = 0;
};
typedef SizeClassAllocator32<AP32> PrimaryAllocator;
template <typename AddressSpaceView>
using PrimaryAllocatorASVT = SizeClassAllocator32<AP32<AddressSpaceView> >;
using PrimaryAllocator = PrimaryAllocatorASVT<LocalAddressSpaceView>;
#endif // SANITIZER_CAN_USE_ALLOCATOR64
static const uptr kNumberOfSizeClasses = SizeClassMap::kNumClasses;
typedef SizeClassAllocatorLocalCache<PrimaryAllocator> AllocatorCache;
typedef LargeMmapAllocator<AsanMapUnmapCallback> SecondaryAllocator;
typedef CombinedAllocator<PrimaryAllocator, AllocatorCache,
SecondaryAllocator> AsanAllocator;
template <typename AddressSpaceView>
using AsanAllocatorASVT =
CombinedAllocator<PrimaryAllocatorASVT<AddressSpaceView>>;
using AsanAllocator = AsanAllocatorASVT<LocalAddressSpaceView>;
using AllocatorCache = AsanAllocator::AllocatorCache;
struct AsanThreadLocalMallocStorage {
uptr quarantine_cache[16];
@ -207,6 +209,8 @@ void asan_delete(void *ptr, uptr size, uptr alignment,
void *asan_malloc(uptr size, BufferedStackTrace *stack);
void *asan_calloc(uptr nmemb, uptr size, BufferedStackTrace *stack);
void *asan_realloc(void *p, uptr size, BufferedStackTrace *stack);
void *asan_reallocarray(void *p, uptr nmemb, uptr size,
BufferedStackTrace *stack);
void *asan_valloc(uptr size, BufferedStackTrace *stack);
void *asan_pvalloc(uptr size, BufferedStackTrace *stack);

7
libsanitizer/asan/asan_debugging.cc → libsanitizer/asan/asan_debugging.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_debugging.cc -------------------------------------------------===//
//===-- asan_debugging.cpp ------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

7
libsanitizer/asan/asan_descriptions.cc → libsanitizer/asan/asan_descriptions.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_descriptions.cc ------------------------------------*- C++ -*-===//
//===-- asan_descriptions.cpp -----------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

7
libsanitizer/asan/asan_descriptions.h
View File

@ -1,13 +1,14 @@
//===-- asan_descriptions.h -------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for asan_descriptions.cc.
// ASan-private header for asan_descriptions.cpp.
// TODO(filcab): Most struct definitions should move to the interface headers.
//===----------------------------------------------------------------------===//
#ifndef ASAN_DESCRIPTIONS_H

22
libsanitizer/asan/asan_errors.cc → libsanitizer/asan/asan_errors.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_errors.cc ------------------------------------------*- C++ -*-===//
//===-- asan_errors.cpp -----------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -34,7 +35,7 @@ static void OnStackUnwind(const SignalContext &sig,
// corresponding code in the sanitizer_common and we use this callback to
// print it.
static_cast<const ScarinessScoreBase *>(callback_context)->Print();
GetStackTrace(stack, kStackTraceMax, sig.pc, sig.bp, sig.context, fast);
stack->Unwind(sig.pc, sig.bp, sig.context, fast);
}
void ErrorDeadlySignal::Print() {
@ -176,6 +177,19 @@ void ErrorCallocOverflow::Print() {
ReportErrorSummary(scariness.GetDescription(), stack);
}
void ErrorReallocArrayOverflow::Print() {
Decorator d;
Printf("%s", d.Error());
Report(
"ERROR: AddressSanitizer: reallocarray parameters overflow: count * size "
"(%zd * %zd) cannot be represented in type size_t (thread %s)\n",
count, size, AsanThreadIdAndName(tid).c_str());
Printf("%s", d.Default());
stack->Print();
PrintHintAllocatorCannotReturnNull();
ReportErrorSummary(scariness.GetDescription(), stack);
}
void ErrorPvallocOverflow::Print() {
Decorator d;
Printf("%s", d.Error());

25
libsanitizer/asan/asan_errors.h
View File

@ -1,7 +1,8 @@
//===-- asan_errors.h -------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -162,6 +163,21 @@ struct ErrorCallocOverflow : ErrorBase {
void Print();
};
struct ErrorReallocArrayOverflow : ErrorBase {
const BufferedStackTrace *stack;
uptr count;
uptr size;
ErrorReallocArrayOverflow() = default; // (*)
ErrorReallocArrayOverflow(u32 tid, BufferedStackTrace *stack_, uptr count_,
uptr size_)
: ErrorBase(tid, 10, "reallocarray-overflow"),
stack(stack_),
count(count_),
size(size_) {}
void Print();
};
struct ErrorPvallocOverflow : ErrorBase {
const BufferedStackTrace *stack;
uptr size;
@ -370,6 +386,7 @@ struct ErrorGeneric : ErrorBase {
macro(MallocUsableSizeNotOwned) \
macro(SanitizerGetAllocatedSizeNotOwned) \
macro(CallocOverflow) \
macro(ReallocArrayOverflow) \
macro(PvallocOverflow) \
macro(InvalidAllocationAlignment) \
macro(InvalidAlignedAllocAlignment) \
@ -388,7 +405,9 @@ struct ErrorGeneric : ErrorBase {
#define ASAN_DEFINE_ERROR_KIND(name) kErrorKind##name,
#define ASAN_ERROR_DESCRIPTION_MEMBER(name) Error##name name;
#define ASAN_ERROR_DESCRIPTION_CONSTRUCTOR(name) \
ErrorDescription(Error##name const &e) : kind(kErrorKind##name), name(e) {}
ErrorDescription(Error##name const &e) : kind(kErrorKind##name) { \
internal_memcpy(&name, &e, sizeof(name)); \
}
#define ASAN_ERROR_DESCRIPTION_PRINT(name) \
case kErrorKind##name: \
return name.Print();

7
libsanitizer/asan/asan_fake_stack.cc → libsanitizer/asan/asan_fake_stack.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_fake_stack.cc ------------------------------------------------===//
//===-- asan_fake_stack.cpp -----------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

7
libsanitizer/asan/asan_fake_stack.h
View File

@ -1,13 +1,14 @@
//===-- asan_fake_stack.h ---------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for asan_fake_stack.cc, implements FakeStack.
// ASan-private header for asan_fake_stack.cpp, implements FakeStack.
//===----------------------------------------------------------------------===//
#ifndef ASAN_FAKE_STACK_H

13
libsanitizer/asan/asan_flags.cc → libsanitizer/asan/asan_flags.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_flags.cc -------------------------------------------*- C++ -*-===//
//===-- asan_flags.cpp ------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -119,12 +120,12 @@ void InitializeFlags() {
#endif
// Override from command line.
asan_parser.ParseString(GetEnv("ASAN_OPTIONS"));
asan_parser.ParseStringFromEnv("ASAN_OPTIONS");
#if CAN_SANITIZE_LEAKS
lsan_parser.ParseString(GetEnv("LSAN_OPTIONS"));
lsan_parser.ParseStringFromEnv("LSAN_OPTIONS");
#endif
#if CAN_SANITIZE_UB
ubsan_parser.ParseString(GetEnv("UBSAN_OPTIONS"));
ubsan_parser.ParseStringFromEnv("UBSAN_OPTIONS");
#endif
InitializeCommonFlags();

5
libsanitizer/asan/asan_flags.h
View File

@ -1,7 +1,8 @@
//===-- asan_flags.h -------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

9
libsanitizer/asan/asan_flags.inc
View File

@ -1,7 +1,8 @@
//===-- asan_flags.inc ------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -150,8 +151,6 @@ ASAN_FLAG(const char *, suppressions, "", "Suppressions file name.")
ASAN_FLAG(bool, halt_on_error, true,
"Crash the program after printing the first error report "
"(WARNING: USE AT YOUR OWN RISK!)")
ASAN_FLAG(bool, use_odr_indicator, false,
"Use special ODR indicator symbol for ODR violation detection")
ASAN_FLAG(bool, allocator_frees_and_returns_null_on_realloc_zero, true,
"realloc(p, 0) is equivalent to free(p) by default (Same as the "
"POSIX standard). If set to false, realloc(p, 0) will return a "
@ -159,3 +158,5 @@ ASAN_FLAG(bool, allocator_frees_and_returns_null_on_realloc_zero, true,
ASAN_FLAG(bool, verify_asan_link_order, true,
"Check position of ASan runtime in library list (needs to be disabled"
" when other library has to be preloaded system-wide)")
ASAN_FLAG(bool, windows_hook_rtl_allocators, false,
"(Windows only) enable hooking of Rtl(Allocate|Free|Size|ReAllocate)Heap.")

20
libsanitizer/asan/asan_fuchsia.cc → libsanitizer/asan/asan_fuchsia.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_fuchsia.cc --------------------------------------------------===//
//===-- asan_fuchsia.cpp -------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===---------------------------------------------------------------------===//
//
@ -27,7 +28,7 @@ namespace __asan {
// The system already set up the shadow memory for us.
// __sanitizer::GetMaxUserVirtualAddress has already been called by
// AsanInitInternal->InitializeHighMemEnd (asan_rtl.cc).
// AsanInitInternal->InitializeHighMemEnd (asan_rtl.cpp).
// Just do some additional sanity checks here.
void InitializeShadowMemory() {
if (Verbosity()) PrintAddressSpaceLayout();
@ -171,13 +172,13 @@ static void ThreadCreateHook(void *hook, bool aborted) {
// This is called in the newly-created thread before it runs anything else,
// with the pointer returned by BeforeThreadCreateHook (above).
// cf. asan_interceptors.cc:asan_thread_start
// cf. asan_interceptors.cpp:asan_thread_start
static void ThreadStartHook(void *hook, uptr os_id) {
AsanThread *thread = static_cast<AsanThread *>(hook);
SetCurrentThread(thread);
// In lieu of AsanThread::ThreadStart.
asanThreadRegistry().StartThread(thread->tid(), os_id, /*workerthread*/ false,
asanThreadRegistry().StartThread(thread->tid(), os_id, ThreadType::Regular,
nullptr);
}
@ -188,6 +189,13 @@ static void ThreadExitHook(void *hook, uptr os_id) {
AsanThread::TSDDtor(per_thread);
}
bool HandleDlopenInit() {
// Not supported on this platform.
static_assert(!SANITIZER_SUPPORTS_INIT_FOR_DLOPEN,
"Expected SANITIZER_SUPPORTS_INIT_FOR_DLOPEN to be false");
return false;
}
} // namespace __asan
// These are declared (in extern "C") by <zircon/sanitizer.h>.

48
libsanitizer/asan/asan_globals.cc → libsanitizer/asan/asan_globals.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_globals.cc ---------------------------------------------------===//
//===-- asan_globals.cpp --------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -81,9 +82,11 @@ static bool IsAddressNearGlobal(uptr addr, const __asan_global &g) {
}
static void ReportGlobal(const Global &g, const char *prefix) {
Report("%s Global[%p]: beg=%p size=%zu/%zu name=%s module=%s dyn_init=%zu\n",
Report(
"%s Global[%p]: beg=%p size=%zu/%zu name=%s module=%s dyn_init=%zu "
"odr_indicator=%p\n",
prefix, &g, (void *)g.beg, g.size, g.size_with_redzone, g.name,
g.module_name, g.has_dynamic_init);
g.module_name, g.has_dynamic_init, (void *)g.odr_indicator);
if (g.location) {
Report(" location (%p): name=%s[%p], %d %d\n", g.location,
g.location->filename, g.location->filename, g.location->line_no,
@ -112,15 +115,12 @@ int GetGlobalsForAddress(uptr addr, Global *globals, u32 *reg_sites,
if (flags()->report_globals >= 2)
ReportGlobal(g, "Search");
if (IsAddressNearGlobal(addr, g)) {
#if defined(__GNUC__) && defined(__sparc__)
internal_memcpy(&globals[res], &g, sizeof(g));
#else
globals[res] = g;
#endif
if (reg_sites)
reg_sites[res] = FindRegistrationSite(&g);
res++;
if (res == max_globals) break;
if (res == max_globals)
break;
}
}
return res;
@ -135,6 +135,9 @@ enum GlobalSymbolState {
// this method in case compiler instruments global variables through their
// local aliases.
static void CheckODRViolationViaIndicator(const Global *g) {
// Instrumentation requests to skip ODR check.
if (g->odr_indicator == UINTPTR_MAX)
return;
u8 *odr_indicator = reinterpret_cast<u8 *>(g->odr_indicator);
if (*odr_indicator == UNREGISTERED) {
*odr_indicator = REGISTERED;
@ -151,6 +154,23 @@ static void CheckODRViolationViaIndicator(const Global *g) {
}
}
// Check ODR violation for given global G by checking if it's already poisoned.
// We use this method in case compiler doesn't use private aliases for global
// variables.
static void CheckODRViolationViaPoisoning(const Global *g) {
if (__asan_region_is_poisoned(g->beg, g->size_with_redzone)) {
// This check may not be enough: if the first global is much larger
// the entire redzone of the second global may be within the first global.
for (ListOfGlobals *l = list_of_all_globals; l; l = l->next) {
if (g->beg == l->g->beg &&
(flags()->detect_odr_violation >= 2 || g->size != l->g->size) &&
!IsODRViolationSuppressed(g->name))
ReportODRViolation(g, FindRegistrationSite(g),
l->g, FindRegistrationSite(l->g));
}
}
}
// Clang provides two different ways for global variables protection:
// it can poison the global itself or its private alias. In former
// case we may poison same symbol multiple times, that can help us to
@ -168,9 +188,7 @@ static void CheckODRViolationViaIndicator(const Global *g) {
// This routine chooses between two different methods of ODR violation
// detection.
static inline bool UseODRIndicator(const Global *g) {
// Use ODR indicator method iff use_odr_indicator flag is set and
// indicator symbol address is not 0.
return flags()->use_odr_indicator && g->odr_indicator > 0;
return g->odr_indicator > 0;
}
// Register a global variable.
@ -198,6 +216,8 @@ static void RegisterGlobal(const Global *g) {
// where two globals with the same name are defined in different modules.
if (UseODRIndicator(g))
CheckODRViolationViaIndicator(g);
else
CheckODRViolationViaPoisoning(g);
}
if (CanPoisonMemory())
PoisonRedZones(*g);
@ -231,7 +251,7 @@ static void UnregisterGlobal(const Global *g) {
// implementation. It might not be worth doing anyway.
// Release ODR indicator.
if (UseODRIndicator(g)) {
if (UseODRIndicator(g) && g->odr_indicator != UINTPTR_MAX) {
u8 *odr_indicator = reinterpret_cast<u8 *>(g->odr_indicator);
*odr_indicator = UNREGISTERED;
}

7
libsanitizer/asan/asan_globals_win.cc → libsanitizer/asan/asan_globals_win.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_globals_win.cc -----------------------------------------------===//
//===-- asan_globals_win.cpp ----------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

5
libsanitizer/asan/asan_init_version.h
View File

@ -1,7 +1,8 @@
//===-- asan_init_version.h -------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

18
libsanitizer/asan/asan_interceptors.cc → libsanitizer/asan/asan_interceptors.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_interceptors.cc ----------------------------------------------===//
//===-- asan_interceptors.cpp ---------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -23,7 +24,7 @@
#include "sanitizer_common/sanitizer_libc.h"
// There is no general interception at all on Fuchsia and RTEMS.
// Only the functions in asan_interceptors_memintrinsics.cc are
// Only the functions in asan_interceptors_memintrinsics.cpp are
// really defined to replace libc functions.
#if !SANITIZER_FUCHSIA && !SANITIZER_RTEMS
@ -578,6 +579,11 @@ INTERCEPTOR(int, __cxa_atexit, void (*func)(void *), void *arg,
}
#endif // ASAN_INTERCEPT___CXA_ATEXIT
#if ASAN_INTERCEPT_VFORK
DEFINE_REAL(int, vfork)
DECLARE_EXTERN_INTERCEPTOR_AND_WRAPPER(int, vfork)
#endif
// ---------------------- InitializeAsanInterceptors ---------------- {{{1
namespace __asan {
void InitializeAsanInterceptors() {
@ -655,6 +661,10 @@ void InitializeAsanInterceptors() {
ASAN_INTERCEPT_FUNC(__cxa_atexit);
#endif
#if ASAN_INTERCEPT_VFORK
ASAN_INTERCEPT_FUNC(vfork);
#endif
InitializePlatformInterceptors();
VReport(1, "AddressSanitizer: libc interceptors initialized\n");

29
libsanitizer/asan/asan_interceptors.h
View File

@ -1,13 +1,14 @@
//===-- asan_interceptors.h -------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for asan_interceptors.cc
// ASan-private header for asan_interceptors.cpp
//===----------------------------------------------------------------------===//
#ifndef ASAN_INTERCEPTORS_H
#define ASAN_INTERCEPTORS_H
@ -79,12 +80,7 @@ void InitializePlatformInterceptors();
#if ASAN_HAS_EXCEPTIONS && !SANITIZER_WINDOWS && !SANITIZER_SOLARIS && \
!SANITIZER_NETBSD
# define ASAN_INTERCEPT___CXA_THROW 1
# if ! defined(ASAN_HAS_CXA_RETHROW_PRIMARY_EXCEPTION) \
|| ASAN_HAS_CXA_RETHROW_PRIMARY_EXCEPTION
# define ASAN_INTERCEPT___CXA_RETHROW_PRIMARY_EXCEPTION 1
# else
# define ASAN_INTERCEPT___CXA_RETHROW_PRIMARY_EXCEPTION 0
# endif
# if defined(_GLIBCXX_SJLJ_EXCEPTIONS) || (SANITIZER_IOS && defined(__arm__))
# define ASAN_INTERCEPT__UNWIND_SJLJ_RAISEEXCEPTION 1
# else
@ -109,6 +105,13 @@ void InitializePlatformInterceptors();
# define ASAN_INTERCEPT___STRDUP 0
#endif
#if SANITIZER_LINUX && (defined(__arm__) || defined(__aarch64__) || \
defined(__i386__) || defined(__x86_64__))
# define ASAN_INTERCEPT_VFORK 1
#else
# define ASAN_INTERCEPT_VFORK 0
#endif
DECLARE_REAL(int, memcmp, const void *a1, const void *a2, uptr size)
DECLARE_REAL(char*, strchr, const char *str, int c)
DECLARE_REAL(SIZE_T, strlen, const char *s)
@ -119,14 +122,14 @@ DECLARE_REAL(char*, strstr, const char *s1, const char *s2)
#if !SANITIZER_MAC
#define ASAN_INTERCEPT_FUNC(name) \
do { \
if ((!INTERCEPT_FUNCTION(name) || !REAL(name))) \
VReport(1, "AddressSanitizer: failed to intercept '" #name "'\n"); \
if (!INTERCEPT_FUNCTION(name)) \
VReport(1, "AddressSanitizer: failed to intercept '%s'\n'", #name); \
} while (0)
#define ASAN_INTERCEPT_FUNC_VER(name, ver) \
do { \
if ((!INTERCEPT_FUNCTION_VER(name, ver) || !REAL(name))) \
VReport( \
1, "AddressSanitizer: failed to intercept '" #name "@@" #ver "'\n"); \
if (!INTERCEPT_FUNCTION_VER(name, ver)) \
VReport(1, "AddressSanitizer: failed to intercept '%s@@%s'\n", #name, \
#ver); \
} while (0)
#else
// OS X interceptors don't need to be initialized with INTERCEPT_FUNCTION.

7
libsanitizer/asan/asan_interceptors_memintrinsics.cc → libsanitizer/asan/asan_interceptors_memintrinsics.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_interceptors_memintrinsics.cc --------------------------------===//
//===-- asan_interceptors_memintrinsics.cpp -------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===---------------------------------------------------------------------===//
//

7
libsanitizer/asan/asan_interceptors_memintrinsics.h
View File

@ -1,13 +1,14 @@
//===-- asan_interceptors_memintrinsics.h -----------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===---------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for asan_memintrin.cc
// ASan-private header for asan_interceptors_memintrinsics.cpp
//===---------------------------------------------------------------------===//
#ifndef ASAN_MEMINTRIN_H
#define ASAN_MEMINTRIN_H

12
libsanitizer/asan/asan_interceptors_vfork.S Normal file
View File

@ -0,0 +1,12 @@
#include "sanitizer_common/sanitizer_asm.h"
#if defined(__linux__)
#define COMMON_INTERCEPTOR_SPILL_AREA __asan_extra_spill_area
#define COMMON_INTERCEPTOR_HANDLE_VFORK __asan_handle_vfork
#include "sanitizer_common/sanitizer_common_interceptors_vfork_aarch64.inc.S"
#include "sanitizer_common/sanitizer_common_interceptors_vfork_arm.inc.S"
#include "sanitizer_common/sanitizer_common_interceptors_vfork_x86_64.inc.S"
#include "sanitizer_common/sanitizer_common_interceptors_vfork_i386.inc.S"
#endif
NO_EXEC_STACK_DIRECTIVE

6
libsanitizer/asan/asan_interface.inc
View File

@ -1,7 +1,8 @@
//===-- asan_interface.inc ------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// Asan interface list.
@ -37,6 +38,7 @@ INTERFACE_FUNCTION(__asan_get_report_pc)
INTERFACE_FUNCTION(__asan_get_report_sp)
INTERFACE_FUNCTION(__asan_get_shadow_mapping)
INTERFACE_FUNCTION(__asan_handle_no_return)
INTERFACE_FUNCTION(__asan_handle_vfork)
INTERFACE_FUNCTION(__asan_init)
INTERFACE_FUNCTION(__asan_load_cxx_array_cookie)
INTERFACE_FUNCTION(__asan_load1)

7
libsanitizer/asan/asan_interface_internal.h
View File

@ -1,7 +1,8 @@
//===-- asan_interface_internal.h -------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -248,6 +249,8 @@ extern "C" {
SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE
const char* __asan_default_suppressions();
SANITIZER_INTERFACE_ATTRIBUTE void __asan_handle_vfork(void *sp);
} // extern "C"
#endif // ASAN_INTERFACE_INTERNAL_H

22
libsanitizer/asan/asan_internal.h
View File

@ -1,7 +1,8 @@
//===-- asan_internal.h -----------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -60,29 +61,29 @@ using __sanitizer::StackTrace;
void AsanInitFromRtl();
// asan_win.cc
// asan_win.cpp
void InitializePlatformExceptionHandlers();
// Returns whether an address is a valid allocated system heap block.
// 'addr' must point to the beginning of the block.
bool IsSystemHeapAddress(uptr addr);
// asan_rtl.cc
// asan_rtl.cpp
void PrintAddressSpaceLayout();
void NORETURN ShowStatsAndAbort();
// asan_shadow_setup.cc
// asan_shadow_setup.cpp
void InitializeShadowMemory();
// asan_malloc_linux.cc / asan_malloc_mac.cc
// asan_malloc_linux.cpp / asan_malloc_mac.cpp
void ReplaceSystemMalloc();
// asan_linux.cc / asan_mac.cc / asan_rtems.cc / asan_win.cc
// asan_linux.cpp / asan_mac.cpp / asan_rtems.cpp / asan_win.cpp
uptr FindDynamicShadowStart();
void *AsanDoesNotSupportStaticLinkage();
void AsanCheckDynamicRTPrereqs();
void AsanCheckIncompatibleRT();
// asan_thread.cc
// asan_thread.cpp
AsanThread *CreateMainThread();
// Support function for __asan_(un)register_image_globals. Searches for the
@ -109,6 +110,11 @@ void *AsanDlSymNext(const char *sym);
void ReserveShadowMemoryRange(uptr beg, uptr end, const char *name);
// Returns `true` iff most of ASan init process should be skipped due to the
// ASan library being loaded via `dlopen()`. Platforms may perform any
// `dlopen()` specific initialization inside this function.
bool HandleDlopenInit();
// Add convenient macro for interface functions that may be represented as
// weak hooks.
#define ASAN_MALLOC_HOOK(ptr, size) \

14
libsanitizer/asan/asan_linux.cc → libsanitizer/asan/asan_linux.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_linux.cc -----------------------------------------------------===//
//===-- asan_linux.cpp ----------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -246,6 +247,13 @@ void *AsanDlSymNext(const char *sym) {
return dlsym(RTLD_NEXT, sym);
}
bool HandleDlopenInit() {
// Not supported on this platform.
static_assert(!SANITIZER_SUPPORTS_INIT_FOR_DLOPEN,
"Expected SANITIZER_SUPPORTS_INIT_FOR_DLOPEN to be false");
return false;
}
} // namespace __asan
#endif // SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD ||

11
libsanitizer/asan/asan_mac.cc → libsanitizer/asan/asan_mac.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_mac.cc -------------------------------------------------------===//
//===-- asan_mac.cpp ------------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -180,8 +181,8 @@ void asan_register_worker_thread(int parent_tid, StackTrace *stack) {
t = AsanThread::Create(/* start_routine */ nullptr, /* arg */ nullptr,
parent_tid, stack, /* detached */ true);
t->Init();
asanThreadRegistry().StartThread(t->tid(), GetTid(),
/* workerthread */ true, 0);
asanThreadRegistry().StartThread(t->tid(), GetTid(), ThreadType::Worker,
nullptr);
SetCurrentThread(t);
}
}

17
libsanitizer/asan/asan_malloc_linux.cc → libsanitizer/asan/asan_malloc_linux.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_malloc_linux.cc ----------------------------------------------===//
//===-- asan_malloc_linux.cpp ---------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -164,6 +165,14 @@ INTERCEPTOR(void*, realloc, void *ptr, uptr size) {
return asan_realloc(ptr, size, &stack);
}
#if SANITIZER_INTERCEPT_REALLOCARRAY
INTERCEPTOR(void*, reallocarray, void *ptr, uptr nmemb, uptr size) {
ENSURE_ASAN_INITED();
GET_STACK_TRACE_MALLOC;
return asan_reallocarray(ptr, nmemb, size, &stack);
}
#endif // SANITIZER_INTERCEPT_REALLOCARRAY
#if SANITIZER_INTERCEPT_MEMALIGN
INTERCEPTOR(void*, memalign, uptr boundary, uptr size) {
GET_STACK_TRACE_MALLOC;
@ -207,7 +216,7 @@ INTERCEPTOR(struct fake_mallinfo, mallinfo, void) {
}
INTERCEPTOR(int, mallopt, int cmd, int value) {
return -1;
return 0;
}
#endif // SANITIZER_INTERCEPT_MALLOPT_AND_MALLINFO

30
libsanitizer/asan/asan_malloc_local.h
View File

@ -1,7 +1,8 @@
//===-- asan_malloc_local.h -------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -16,25 +17,34 @@
#include "sanitizer_common/sanitizer_platform.h"
#include "asan_internal.h"
// On RTEMS, we use the local pool to handle memory allocation when the ASan
// run-time is not up.
static INLINE bool EarlyMalloc() {
return SANITIZER_RTEMS && (!__asan::asan_inited ||
__asan::asan_init_is_running);
return SANITIZER_RTEMS &&
(!__asan::asan_inited || __asan::asan_init_is_running);
}
void* MemalignFromLocalPool(uptr alignment, uptr size);
#if SANITIZER_RTEMS
bool IsFromLocalPool(const void *ptr);
void *MemalignFromLocalPool(uptr alignment, uptr size);
// On RTEMS, we use the local pool to handle memory allocation when the ASan
// run-time is not up. This macro is expanded in the context of the operator new
// implementation.
#define MAYBE_ALLOCATE_FROM_LOCAL_POOL(nothrow) \
do { \
if (UNLIKELY(EarlyMalloc())) { \
void *res = MemalignFromLocalPool(SHADOW_GRANULARITY, size); \
if (!nothrow) \
CHECK(res); \
return res; \
} \
} while (0)
#define ALLOCATE_FROM_LOCAL_POOL UNLIKELY(EarlyMalloc())
#define IS_FROM_LOCAL_POOL(ptr) UNLIKELY(IsFromLocalPool(ptr))
#else // SANITIZER_RTEMS
#define ALLOCATE_FROM_LOCAL_POOL 0
#define MAYBE_ALLOCATE_FROM_LOCAL_POOL(nothrow)
#define IS_FROM_LOCAL_POOL(ptr) 0
#endif // SANITIZER_RTEMS

46
libsanitizer/asan/asan_malloc_mac.cc → libsanitizer/asan/asan_malloc_mac.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_malloc_mac.cc ------------------------------------------------===//
//===-- asan_malloc_mac.cpp -----------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -17,6 +18,7 @@
#include "asan_report.h"
#include "asan_stack.h"
#include "asan_stats.h"
#include "lsan/lsan_common.h"
using namespace __asan;
#define COMMON_MALLOC_ZONE_NAME "asan"
@ -56,7 +58,45 @@ using namespace __asan;
GET_STACK_TRACE_FREE; \
ReportMacMzReallocUnknown((uptr)ptr, (uptr)zone_ptr, zone_name, &stack);
#define COMMON_MALLOC_NAMESPACE __asan
#define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0
#define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 1
#include "sanitizer_common/sanitizer_malloc_mac.inc"
namespace COMMON_MALLOC_NAMESPACE {
bool HandleDlopenInit() {
static_assert(SANITIZER_SUPPORTS_INIT_FOR_DLOPEN,
"Expected SANITIZER_SUPPORTS_INIT_FOR_DLOPEN to be true");
// We have no reliable way of knowing how we are being loaded
// so make it a requirement on Apple platforms to set this environment
// variable to indicate that we want to perform initialization via
// dlopen().
auto init_str = GetEnv("APPLE_ASAN_INIT_FOR_DLOPEN");
if (!init_str)
return false;
if (internal_strncmp(init_str, "1", 1) != 0)
return false;
// When we are loaded via `dlopen()` path we still initialize the malloc zone
// so Symbolication clients (e.g. `leaks`) that load the ASan allocator can
// find an initialized malloc zone.
InitMallocZoneFields();
return true;
}
} // namespace COMMON_MALLOC_NAMESPACE
namespace {
void mi_extra_init(sanitizer_malloc_introspection_t *mi) {
uptr last_byte_plus_one = 0;
mi->allocator_ptr = 0;
// Range is [begin_ptr, end_ptr)
__lsan::GetAllocatorGlobalRange(&(mi->allocator_ptr), &last_byte_plus_one);
CHECK_NE(mi->allocator_ptr, 0);
CHECK_GT(last_byte_plus_one, mi->allocator_ptr);
mi->allocator_size = last_byte_plus_one - (mi->allocator_ptr);
CHECK_GT(mi->allocator_size, 0);
}
} // namespace
#endif

259
libsanitizer/asan/asan_malloc_win.cc
View File

@ -1,259 +0,0 @@
//===-- asan_malloc_win.cc ------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Windows-specific malloc interception.
//===----------------------------------------------------------------------===//
#include "sanitizer_common/sanitizer_platform.h"
#if SANITIZER_WINDOWS
// Intentionally not including windows.h here, to avoid the risk of
// pulling in conflicting declarations of these functions. (With mingw-w64,
// there's a risk of windows.h pulling in stdint.h.)
typedef int BOOL;
typedef void *HANDLE;
typedef const void *LPCVOID;
typedef void *LPVOID;
#define HEAP_ZERO_MEMORY 0x00000008
#define HEAP_REALLOC_IN_PLACE_ONLY 0x00000010
#include "asan_allocator.h"
#include "asan_interceptors.h"
#include "asan_internal.h"
#include "asan_stack.h"
#include "interception/interception.h"
#include <stddef.h>
using namespace __asan; // NOLINT
// MT: Simply defining functions with the same signature in *.obj
// files overrides the standard functions in the CRT.
// MD: Memory allocation functions are defined in the CRT .dll,
// so we have to intercept them before they are called for the first time.
#if ASAN_DYNAMIC
# define ALLOCATION_FUNCTION_ATTRIBUTE
#else
# define ALLOCATION_FUNCTION_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE
#endif
extern "C" {
ALLOCATION_FUNCTION_ATTRIBUTE
void free(void *ptr) {
GET_STACK_TRACE_FREE;
return asan_free(ptr, &stack, FROM_MALLOC);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void _free_dbg(void *ptr, int) {
free(ptr);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void _free_base(void *ptr) {
free(ptr);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *malloc(size_t size) {
GET_STACK_TRACE_MALLOC;
return asan_malloc(size, &stack);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_malloc_base(size_t size) {
return malloc(size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_malloc_dbg(size_t size, int, const char *, int) {
return malloc(size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *calloc(size_t nmemb, size_t size) {
GET_STACK_TRACE_MALLOC;
return asan_calloc(nmemb, size, &stack);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_calloc_base(size_t nmemb, size_t size) {
return calloc(nmemb, size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_calloc_dbg(size_t nmemb, size_t size, int, const char *, int) {
return calloc(nmemb, size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_calloc_impl(size_t nmemb, size_t size, int *errno_tmp) {
return calloc(nmemb, size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *realloc(void *ptr, size_t size) {
GET_STACK_TRACE_MALLOC;
return asan_realloc(ptr, size, &stack);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_realloc_dbg(void *ptr, size_t size, int) {
UNREACHABLE("_realloc_dbg should not exist!");
return 0;
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_realloc_base(void *ptr, size_t size) {
return realloc(ptr, size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_recalloc(void *p, size_t n, size_t elem_size) {
if (!p)
return calloc(n, elem_size);
const size_t size = n * elem_size;
if (elem_size != 0 && size / elem_size != n)
return 0;
return realloc(p, size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_recalloc_base(void *p, size_t n, size_t elem_size) {
return _recalloc(p, n, elem_size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
size_t _msize(void *ptr) {
GET_CURRENT_PC_BP_SP;
(void)sp;
return asan_malloc_usable_size(ptr, pc, bp);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_expand(void *memblock, size_t size) {
// _expand is used in realloc-like functions to resize the buffer if possible.
// We don't want memory to stand still while resizing buffers, so return 0.
return 0;
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_expand_dbg(void *memblock, size_t size) {
return _expand(memblock, size);
}
// TODO(timurrrr): Might want to add support for _aligned_* allocation
// functions to detect a bit more bugs. Those functions seem to wrap malloc().
int _CrtDbgReport(int, const char*, int,
const char*, const char*, ...) {
ShowStatsAndAbort();
}
int _CrtDbgReportW(int reportType, const wchar_t*, int,
const wchar_t*, const wchar_t*, ...) {
ShowStatsAndAbort();
}
int _CrtSetReportMode(int, int) {
return 0;
}
} // extern "C"
INTERCEPTOR_WINAPI(LPVOID, HeapAlloc, HANDLE hHeap, DWORD dwFlags,
SIZE_T dwBytes) {
GET_STACK_TRACE_MALLOC;
void *p = asan_malloc(dwBytes, &stack);
// Reading MSDN suggests that the *entire* usable allocation is zeroed out.
// Otherwise it is difficult to HeapReAlloc with HEAP_ZERO_MEMORY.
// https://blogs.msdn.microsoft.com/oldnewthing/20120316-00/?p=8083
if (dwFlags == HEAP_ZERO_MEMORY)
internal_memset(p, 0, asan_mz_size(p));
else
CHECK(dwFlags == 0 && "unsupported heap flags");
return p;
}
INTERCEPTOR_WINAPI(BOOL, HeapFree, HANDLE hHeap, DWORD dwFlags, LPVOID lpMem) {
CHECK(dwFlags == 0 && "unsupported heap flags");
GET_STACK_TRACE_FREE;
asan_free(lpMem, &stack, FROM_MALLOC);
return true;
}
INTERCEPTOR_WINAPI(LPVOID, HeapReAlloc, HANDLE hHeap, DWORD dwFlags,
LPVOID lpMem, SIZE_T dwBytes) {
GET_STACK_TRACE_MALLOC;
// Realloc should never reallocate in place.
if (dwFlags & HEAP_REALLOC_IN_PLACE_ONLY)
return nullptr;
CHECK(dwFlags == 0 && "unsupported heap flags");
return asan_realloc(lpMem, dwBytes, &stack);
}
INTERCEPTOR_WINAPI(SIZE_T, HeapSize, HANDLE hHeap, DWORD dwFlags,
LPCVOID lpMem) {
CHECK(dwFlags == 0 && "unsupported heap flags");
GET_CURRENT_PC_BP_SP;
(void)sp;
return asan_malloc_usable_size(lpMem, pc, bp);
}
namespace __asan {
static void TryToOverrideFunction(const char *fname, uptr new_func) {
// Failure here is not fatal. The CRT may not be present, and different CRT
// versions use different symbols.
if (!__interception::OverrideFunction(fname, new_func))
VPrintf(2, "Failed to override function %s\n", fname);
}
void ReplaceSystemMalloc() {
#if defined(ASAN_DYNAMIC)
TryToOverrideFunction("free", (uptr)free);
TryToOverrideFunction("_free_base", (uptr)free);
TryToOverrideFunction("malloc", (uptr)malloc);
TryToOverrideFunction("_malloc_base", (uptr)malloc);
TryToOverrideFunction("_malloc_crt", (uptr)malloc);
TryToOverrideFunction("calloc", (uptr)calloc);
TryToOverrideFunction("_calloc_base", (uptr)calloc);
TryToOverrideFunction("_calloc_crt", (uptr)calloc);
TryToOverrideFunction("realloc", (uptr)realloc);
TryToOverrideFunction("_realloc_base", (uptr)realloc);
TryToOverrideFunction("_realloc_crt", (uptr)realloc);
TryToOverrideFunction("_recalloc", (uptr)_recalloc);
TryToOverrideFunction("_recalloc_base", (uptr)_recalloc);
TryToOverrideFunction("_recalloc_crt", (uptr)_recalloc);
TryToOverrideFunction("_msize", (uptr)_msize);
TryToOverrideFunction("_expand", (uptr)_expand);
TryToOverrideFunction("_expand_base", (uptr)_expand);
// Recent versions of ucrtbase.dll appear to be built with PGO and LTCG, which
// enable cross-module inlining. This means our _malloc_base hook won't catch
// all CRT allocations. This code here patches the import table of
// ucrtbase.dll so that all attempts to use the lower-level win32 heap
// allocation API will be directed to ASan's heap. We don't currently
// intercept all calls to HeapAlloc. If we did, we would have to check on
// HeapFree whether the pointer came from ASan of from the system.
#define INTERCEPT_UCRT_FUNCTION(func) \
if (!INTERCEPT_FUNCTION_DLLIMPORT("ucrtbase.dll", \
"api-ms-win-core-heap-l1-1-0.dll", func)) \
VPrintf(2, "Failed to intercept ucrtbase.dll import %s\n", #func);
INTERCEPT_UCRT_FUNCTION(HeapAlloc);
INTERCEPT_UCRT_FUNCTION(HeapFree);
INTERCEPT_UCRT_FUNCTION(HeapReAlloc);
INTERCEPT_UCRT_FUNCTION(HeapSize);
#undef INTERCEPT_UCRT_FUNCTION
#endif
}
} // namespace __asan
#endif // _WIN32

553
libsanitizer/asan/asan_malloc_win.cpp Normal file
View File

@ -0,0 +1,553 @@
//===-- asan_malloc_win.cpp -----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Windows-specific malloc interception.
//===----------------------------------------------------------------------===//
#include "sanitizer_common/sanitizer_allocator_interface.h"
#include "sanitizer_common/sanitizer_platform.h"
#if SANITIZER_WINDOWS
#include "asan_allocator.h"
#include "asan_interceptors.h"
#include "asan_internal.h"
#include "asan_stack.h"
#include "interception/interception.h"
#include <stddef.h>
// Intentionally not including windows.h here, to avoid the risk of
// pulling in conflicting declarations of these functions. (With mingw-w64,
// there's a risk of windows.h pulling in stdint.h.)
typedef int BOOL;
typedef void *HANDLE;
typedef const void *LPCVOID;
typedef void *LPVOID;
typedef unsigned long DWORD;
constexpr unsigned long HEAP_ZERO_MEMORY = 0x00000008;
constexpr unsigned long HEAP_REALLOC_IN_PLACE_ONLY = 0x00000010;
constexpr unsigned long HEAP_ALLOCATE_SUPPORTED_FLAGS = (HEAP_ZERO_MEMORY);
constexpr unsigned long HEAP_ALLOCATE_UNSUPPORTED_FLAGS =
(~HEAP_ALLOCATE_SUPPORTED_FLAGS);
constexpr unsigned long HEAP_FREE_SUPPORTED_FLAGS = (0);
constexpr unsigned long HEAP_FREE_UNSUPPORTED_FLAGS =
(~HEAP_ALLOCATE_SUPPORTED_FLAGS);
constexpr unsigned long HEAP_REALLOC_SUPPORTED_FLAGS =
(HEAP_REALLOC_IN_PLACE_ONLY | HEAP_ZERO_MEMORY);
constexpr unsigned long HEAP_REALLOC_UNSUPPORTED_FLAGS =
(~HEAP_ALLOCATE_SUPPORTED_FLAGS);
extern "C" {
LPVOID WINAPI HeapAlloc(HANDLE hHeap, DWORD dwFlags, size_t dwBytes);
LPVOID WINAPI HeapReAlloc(HANDLE hHeap, DWORD dwFlags, LPVOID lpMem,
size_t dwBytes);
BOOL WINAPI HeapFree(HANDLE hHeap, DWORD dwFlags, LPVOID lpMem);
size_t WINAPI HeapSize(HANDLE hHeap, DWORD dwFlags, LPCVOID lpMem);
BOOL WINAPI HeapValidate(HANDLE hHeap, DWORD dwFlags, LPCVOID lpMem);
}
using namespace __asan; // NOLINT
// MT: Simply defining functions with the same signature in *.obj
// files overrides the standard functions in the CRT.
// MD: Memory allocation functions are defined in the CRT .dll,
// so we have to intercept them before they are called for the first time.
#if ASAN_DYNAMIC
# define ALLOCATION_FUNCTION_ATTRIBUTE
#else
# define ALLOCATION_FUNCTION_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE
#endif
extern "C" {
ALLOCATION_FUNCTION_ATTRIBUTE
size_t _msize(void *ptr) {
GET_CURRENT_PC_BP_SP;
(void)sp;
return asan_malloc_usable_size(ptr, pc, bp);
}
ALLOCATION_FUNCTION_ATTRIBUTE
size_t _msize_base(void *ptr) {
return _msize(ptr);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void free(void *ptr) {
GET_STACK_TRACE_FREE;
return asan_free(ptr, &stack, FROM_MALLOC);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void _free_dbg(void *ptr, int) {
free(ptr);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void _free_base(void *ptr) {
free(ptr);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *malloc(size_t size) {
GET_STACK_TRACE_MALLOC;
return asan_malloc(size, &stack);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_malloc_base(size_t size) {
return malloc(size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_malloc_dbg(size_t size, int, const char *, int) {
return malloc(size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *calloc(size_t nmemb, size_t size) {
GET_STACK_TRACE_MALLOC;
return asan_calloc(nmemb, size, &stack);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_calloc_base(size_t nmemb, size_t size) {
return calloc(nmemb, size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_calloc_dbg(size_t nmemb, size_t size, int, const char *, int) {
return calloc(nmemb, size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_calloc_impl(size_t nmemb, size_t size, int *errno_tmp) {
return calloc(nmemb, size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *realloc(void *ptr, size_t size) {
GET_STACK_TRACE_MALLOC;
return asan_realloc(ptr, size, &stack);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_realloc_dbg(void *ptr, size_t size, int) {
UNREACHABLE("_realloc_dbg should not exist!");
return 0;
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_realloc_base(void *ptr, size_t size) {
return realloc(ptr, size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_recalloc(void *p, size_t n, size_t elem_size) {
if (!p)
return calloc(n, elem_size);
const size_t size = n * elem_size;
if (elem_size != 0 && size / elem_size != n)
return 0;
size_t old_size = _msize(p);
void *new_alloc = malloc(size);
if (new_alloc) {
REAL(memcpy)(new_alloc, p, Min<size_t>(size, old_size));
if (old_size < size)
REAL(memset)(((u8 *)new_alloc) + old_size, 0, size - old_size);
free(p);
}
return new_alloc;
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_recalloc_base(void *p, size_t n, size_t elem_size) {
return _recalloc(p, n, elem_size);
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_expand(void *memblock, size_t size) {
// _expand is used in realloc-like functions to resize the buffer if possible.
// We don't want memory to stand still while resizing buffers, so return 0.
return 0;
}
ALLOCATION_FUNCTION_ATTRIBUTE
void *_expand_dbg(void *memblock, size_t size) {
return _expand(memblock, size);
}
// TODO(timurrrr): Might want to add support for _aligned_* allocation
// functions to detect a bit more bugs. Those functions seem to wrap malloc().
int _CrtDbgReport(int, const char*, int,
const char*, const char*, ...) {
ShowStatsAndAbort();
}
int _CrtDbgReportW(int reportType, const wchar_t*, int,
const wchar_t*, const wchar_t*, ...) {
ShowStatsAndAbort();
}
int _CrtSetReportMode(int, int) {
return 0;
}
} // extern "C"
#define OWNED_BY_RTL(heap, memory) \
(!__sanitizer_get_ownership(memory) && HeapValidate(heap, 0, memory))
INTERCEPTOR_WINAPI(size_t, HeapSize, HANDLE hHeap, DWORD dwFlags,
LPCVOID lpMem) {
// If the RTL allocators are hooked we need to check whether the ASAN
// allocator owns the pointer we're about to use. Allocations occur before
// interception takes place, so if it is not owned by the RTL heap we can
// pass it to the ASAN heap for inspection.
if (flags()->windows_hook_rtl_allocators) {
if (!asan_inited || OWNED_BY_RTL(hHeap, lpMem))
return REAL(HeapSize)(hHeap, dwFlags, lpMem);
} else {
CHECK(dwFlags == 0 && "unsupported heap flags");
}
GET_CURRENT_PC_BP_SP;
(void)sp;
return asan_malloc_usable_size(lpMem, pc, bp);
}
INTERCEPTOR_WINAPI(LPVOID, HeapAlloc, HANDLE hHeap, DWORD dwFlags,
size_t dwBytes) {
// If the ASAN runtime is not initialized, or we encounter an unsupported
// flag, fall back to the original allocator.
if (flags()->windows_hook_rtl_allocators) {
if (UNLIKELY(!asan_inited ||
(dwFlags & HEAP_ALLOCATE_UNSUPPORTED_FLAGS) != 0)) {
return REAL(HeapAlloc)(hHeap, dwFlags, dwBytes);
}
} else {
// In the case that we don't hook the rtl allocators,
// this becomes an assert since there is no failover to the original
// allocator.
CHECK((HEAP_ALLOCATE_UNSUPPORTED_FLAGS & dwFlags) != 0 &&
"unsupported flags");
}
GET_STACK_TRACE_MALLOC;
void *p = asan_malloc(dwBytes, &stack);
// Reading MSDN suggests that the *entire* usable allocation is zeroed out.
// Otherwise it is difficult to HeapReAlloc with HEAP_ZERO_MEMORY.
// https://blogs.msdn.microsoft.com/oldnewthing/20120316-00/?p=8083
if (p && (dwFlags & HEAP_ZERO_MEMORY)) {
GET_CURRENT_PC_BP_SP;
(void)sp;
auto usable_size = asan_malloc_usable_size(p, pc, bp);
internal_memset(p, 0, usable_size);
}
return p;
}
INTERCEPTOR_WINAPI(BOOL, HeapFree, HANDLE hHeap, DWORD dwFlags, LPVOID lpMem) {
// Heap allocations happen before this function is hooked, so we must fall
// back to the original function if the pointer is not from the ASAN heap,
// or unsupported flags are provided.
if (flags()->windows_hook_rtl_allocators) {
if (OWNED_BY_RTL(hHeap, lpMem))
return REAL(HeapFree)(hHeap, dwFlags, lpMem);
} else {
CHECK((HEAP_FREE_UNSUPPORTED_FLAGS & dwFlags) != 0 && "unsupported flags");
}
GET_STACK_TRACE_FREE;
asan_free(lpMem, &stack, FROM_MALLOC);
return true;
}
namespace __asan {
using AllocFunction = LPVOID(WINAPI *)(HANDLE, DWORD, size_t);
using ReAllocFunction = LPVOID(WINAPI *)(HANDLE, DWORD, LPVOID, size_t);
using SizeFunction = size_t(WINAPI *)(HANDLE, DWORD, LPVOID);
using FreeFunction = BOOL(WINAPI *)(HANDLE, DWORD, LPVOID);
void *SharedReAlloc(ReAllocFunction reallocFunc, SizeFunction heapSizeFunc,
FreeFunction freeFunc, AllocFunction allocFunc,
HANDLE hHeap, DWORD dwFlags, LPVOID lpMem, size_t dwBytes) {
CHECK(reallocFunc && heapSizeFunc && freeFunc && allocFunc);
GET_STACK_TRACE_MALLOC;
GET_CURRENT_PC_BP_SP;
(void)sp;
if (flags()->windows_hook_rtl_allocators) {
enum AllocationOwnership { NEITHER = 0, ASAN = 1, RTL = 2 };
AllocationOwnership ownershipState;
bool owned_rtlalloc = false;
bool owned_asan = __sanitizer_get_ownership(lpMem);
if (!owned_asan)
owned_rtlalloc = HeapValidate(hHeap, 0, lpMem);
if (owned_asan && !owned_rtlalloc)
ownershipState = ASAN;
else if (!owned_asan && owned_rtlalloc)
ownershipState = RTL;
else if (!owned_asan && !owned_rtlalloc)
ownershipState = NEITHER;
// If this heap block which was allocated before the ASAN
// runtime came up, use the real HeapFree function.
if (UNLIKELY(!asan_inited)) {
return reallocFunc(hHeap, dwFlags, lpMem, dwBytes);
}
bool only_asan_supported_flags =
(HEAP_REALLOC_UNSUPPORTED_FLAGS & dwFlags) == 0;
if (ownershipState == RTL ||
(ownershipState == NEITHER && !only_asan_supported_flags)) {
if (only_asan_supported_flags) {
// if this is a conversion to ASAN upported flags, transfer this
// allocation to the ASAN allocator
void *replacement_alloc;
if (dwFlags & HEAP_ZERO_MEMORY)
replacement_alloc = asan_calloc(1, dwBytes, &stack);
else
replacement_alloc = asan_malloc(dwBytes, &stack);
if (replacement_alloc) {
size_t old_size = heapSizeFunc(hHeap, dwFlags, lpMem);
if (old_size == ((size_t)0) - 1) {
asan_free(replacement_alloc, &stack, FROM_MALLOC);
return nullptr;
}
REAL(memcpy)(replacement_alloc, lpMem, old_size);
freeFunc(hHeap, dwFlags, lpMem);
}
return replacement_alloc;
} else {
// owned by rtl or neither with unsupported ASAN flags,
// just pass back to original allocator
CHECK(ownershipState == RTL || ownershipState == NEITHER);
CHECK(!only_asan_supported_flags);
return reallocFunc(hHeap, dwFlags, lpMem, dwBytes);
}
}
if (ownershipState == ASAN && !only_asan_supported_flags) {
// Conversion to unsupported flags allocation,
// transfer this allocation back to the original allocator.
void *replacement_alloc = allocFunc(hHeap, dwFlags, dwBytes);
size_t old_usable_size = 0;
if (replacement_alloc) {
old_usable_size = asan_malloc_usable_size(lpMem, pc, bp);
REAL(memcpy)(replacement_alloc, lpMem,
Min<size_t>(dwBytes, old_usable_size));
asan_free(lpMem, &stack, FROM_MALLOC);
}
return replacement_alloc;
}
CHECK((ownershipState == ASAN || ownershipState == NEITHER) &&
only_asan_supported_flags);
// At this point we should either be ASAN owned with ASAN supported flags
// or we owned by neither and have supported flags.
// Pass through even when it's neither since this could be a null realloc or
// UAF that ASAN needs to catch.
} else {
CHECK((HEAP_REALLOC_UNSUPPORTED_FLAGS & dwFlags) != 0 &&
"unsupported flags");
}
// asan_realloc will never reallocate in place, so for now this flag is
// unsupported until we figure out a way to fake this.
if (dwFlags & HEAP_REALLOC_IN_PLACE_ONLY)
return nullptr;
// HeapReAlloc and HeapAlloc both happily accept 0 sized allocations.
// passing a 0 size into asan_realloc will free the allocation.
// To avoid this and keep behavior consistent, fudge the size if 0.
// (asan_malloc already does this)
if (dwBytes == 0)
dwBytes = 1;
size_t old_size;
if (dwFlags & HEAP_ZERO_MEMORY)
old_size = asan_malloc_usable_size(lpMem, pc, bp);
void *ptr = asan_realloc(lpMem, dwBytes, &stack);
if (ptr == nullptr)
return nullptr;
if (dwFlags & HEAP_ZERO_MEMORY) {
size_t new_size = asan_malloc_usable_size(ptr, pc, bp);
if (old_size < new_size)
REAL(memset)(((u8 *)ptr) + old_size, 0, new_size - old_size);
}
return ptr;
}
} // namespace __asan
INTERCEPTOR_WINAPI(LPVOID, HeapReAlloc, HANDLE hHeap, DWORD dwFlags,
LPVOID lpMem, size_t dwBytes) {
return SharedReAlloc(REAL(HeapReAlloc), (SizeFunction)REAL(HeapSize),
REAL(HeapFree), REAL(HeapAlloc), hHeap, dwFlags, lpMem,
dwBytes);
}
// The following functions are undocumented and subject to change.
// However, hooking them is necessary to hook Windows heap
// allocations with detours and their definitions are unlikely to change.
// Comments in /minkernel/ntos/rtl/heappublic.c indicate that these functions
// are part of the heap's public interface.
typedef unsigned long LOGICAL;
// This function is documented as part of the Driver Development Kit but *not*
// the Windows Development Kit.
LOGICAL RtlFreeHeap(void* HeapHandle, DWORD Flags,
void* BaseAddress);
// This function is documented as part of the Driver Development Kit but *not*
// the Windows Development Kit.
void* RtlAllocateHeap(void* HeapHandle, DWORD Flags, size_t Size);
// This function is completely undocumented.
void*
RtlReAllocateHeap(void* HeapHandle, DWORD Flags, void* BaseAddress,
size_t Size);
// This function is completely undocumented.
size_t RtlSizeHeap(void* HeapHandle, DWORD Flags, void* BaseAddress);
INTERCEPTOR_WINAPI(size_t, RtlSizeHeap, HANDLE HeapHandle, DWORD Flags,
void* BaseAddress) {
if (!flags()->windows_hook_rtl_allocators ||
UNLIKELY(!asan_inited || OWNED_BY_RTL(HeapHandle, BaseAddress))) {
return REAL(RtlSizeHeap)(HeapHandle, Flags, BaseAddress);
}
GET_CURRENT_PC_BP_SP;
(void)sp;
return asan_malloc_usable_size(BaseAddress, pc, bp);
}
INTERCEPTOR_WINAPI(BOOL, RtlFreeHeap, HANDLE HeapHandle, DWORD Flags,
void* BaseAddress) {
// Heap allocations happen before this function is hooked, so we must fall
// back to the original function if the pointer is not from the ASAN heap, or
// unsupported flags are provided.
if (!flags()->windows_hook_rtl_allocators ||
UNLIKELY((HEAP_FREE_UNSUPPORTED_FLAGS & Flags) != 0 ||
OWNED_BY_RTL(HeapHandle, BaseAddress))) {
return REAL(RtlFreeHeap)(HeapHandle, Flags, BaseAddress);
}
GET_STACK_TRACE_FREE;
asan_free(BaseAddress, &stack, FROM_MALLOC);
return true;
}
INTERCEPTOR_WINAPI(void*, RtlAllocateHeap, HANDLE HeapHandle, DWORD Flags,
size_t Size) {
// If the ASAN runtime is not initialized, or we encounter an unsupported
// flag, fall back to the original allocator.
if (!flags()->windows_hook_rtl_allocators ||
UNLIKELY(!asan_inited ||
(Flags & HEAP_ALLOCATE_UNSUPPORTED_FLAGS) != 0)) {
return REAL(RtlAllocateHeap)(HeapHandle, Flags, Size);
}
GET_STACK_TRACE_MALLOC;
void *p;
// Reading MSDN suggests that the *entire* usable allocation is zeroed out.
// Otherwise it is difficult to HeapReAlloc with HEAP_ZERO_MEMORY.
// https://blogs.msdn.microsoft.com/oldnewthing/20120316-00/?p=8083
if (Flags & HEAP_ZERO_MEMORY) {
p = asan_calloc(Size, 1, &stack);
} else {
p = asan_malloc(Size, &stack);
}
return p;
}
INTERCEPTOR_WINAPI(void*, RtlReAllocateHeap, HANDLE HeapHandle, DWORD Flags,
void* BaseAddress, size_t Size) {
// If it's actually a heap block which was allocated before the ASAN runtime
// came up, use the real RtlFreeHeap function.
if (!flags()->windows_hook_rtl_allocators)
return REAL(RtlReAllocateHeap)(HeapHandle, Flags, BaseAddress, Size);
return SharedReAlloc(REAL(RtlReAllocateHeap), REAL(RtlSizeHeap),
REAL(RtlFreeHeap), REAL(RtlAllocateHeap), HeapHandle,
Flags, BaseAddress, Size);
}
namespace __asan {
static void TryToOverrideFunction(const char *fname, uptr new_func) {
// Failure here is not fatal. The CRT may not be present, and different CRT
// versions use different symbols.
if (!__interception::OverrideFunction(fname, new_func))
VPrintf(2, "Failed to override function %s\n", fname);
}
void ReplaceSystemMalloc() {
#if defined(ASAN_DYNAMIC)
TryToOverrideFunction("free", (uptr)free);
TryToOverrideFunction("_free_base", (uptr)free);
TryToOverrideFunction("malloc", (uptr)malloc);
TryToOverrideFunction("_malloc_base", (uptr)malloc);
TryToOverrideFunction("_malloc_crt", (uptr)malloc);
TryToOverrideFunction("calloc", (uptr)calloc);
TryToOverrideFunction("_calloc_base", (uptr)calloc);
TryToOverrideFunction("_calloc_crt", (uptr)calloc);
TryToOverrideFunction("realloc", (uptr)realloc);
TryToOverrideFunction("_realloc_base", (uptr)realloc);
TryToOverrideFunction("_realloc_crt", (uptr)realloc);
TryToOverrideFunction("_recalloc", (uptr)_recalloc);
TryToOverrideFunction("_recalloc_base", (uptr)_recalloc);
TryToOverrideFunction("_recalloc_crt", (uptr)_recalloc);
TryToOverrideFunction("_msize", (uptr)_msize);
TryToOverrideFunction("_msize_base", (uptr)_msize);
TryToOverrideFunction("_expand", (uptr)_expand);
TryToOverrideFunction("_expand_base", (uptr)_expand);
if (flags()->windows_hook_rtl_allocators) {
INTERCEPT_FUNCTION(HeapSize);
INTERCEPT_FUNCTION(HeapFree);
INTERCEPT_FUNCTION(HeapReAlloc);
INTERCEPT_FUNCTION(HeapAlloc);
// Undocumented functions must be intercepted by name, not by symbol.
__interception::OverrideFunction("RtlSizeHeap", (uptr)WRAP(RtlSizeHeap),
(uptr *)&REAL(RtlSizeHeap));
__interception::OverrideFunction("RtlFreeHeap", (uptr)WRAP(RtlFreeHeap),
(uptr *)&REAL(RtlFreeHeap));
__interception::OverrideFunction("RtlReAllocateHeap",
(uptr)WRAP(RtlReAllocateHeap),
(uptr *)&REAL(RtlReAllocateHeap));
__interception::OverrideFunction("RtlAllocateHeap",
(uptr)WRAP(RtlAllocateHeap),
(uptr *)&REAL(RtlAllocateHeap));
} else {
#define INTERCEPT_UCRT_FUNCTION(func) \
if (!INTERCEPT_FUNCTION_DLLIMPORT("ucrtbase.dll", \
"api-ms-win-core-heap-l1-1-0.dll", func)) \
VPrintf(2, "Failed to intercept ucrtbase.dll import %s\n", #func);
INTERCEPT_UCRT_FUNCTION(HeapAlloc);
INTERCEPT_UCRT_FUNCTION(HeapFree);
INTERCEPT_UCRT_FUNCTION(HeapReAlloc);
INTERCEPT_UCRT_FUNCTION(HeapSize);
#undef INTERCEPT_UCRT_FUNCTION
}
// Recent versions of ucrtbase.dll appear to be built with PGO and LTCG, which
// enable cross-module inlining. This means our _malloc_base hook won't catch
// all CRT allocations. This code here patches the import table of
// ucrtbase.dll so that all attempts to use the lower-level win32 heap
// allocation API will be directed to ASan's heap. We don't currently
// intercept all calls to HeapAlloc. If we did, we would have to check on
// HeapFree whether the pointer came from ASan of from the system.
#endif // defined(ASAN_DYNAMIC)
}
} // namespace __asan
#endif // _WIN32

21
libsanitizer/asan/asan_mapping.h
View File

@ -1,7 +1,8 @@
//===-- asan_mapping.h ------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -159,14 +160,10 @@ static const u64 kDefaultShadowOffset32 = 1ULL << 29; // 0x20000000
static const u64 kDefaultShadowOffset64 = 1ULL << 44;
static const u64 kDefaultShort64bitShadowOffset =
0x7FFFFFFF & (~0xFFFULL << kDefaultShadowScale); // < 2G.
static const u64 kIosShadowOffset32 = 1ULL << 30; // 0x40000000
static const u64 kIosShadowOffset64 = 0x120200000;
static const u64 kIosSimShadowOffset32 = 1ULL << 30;
static const u64 kIosSimShadowOffset64 = kDefaultShadowOffset64;
static const u64 kAArch64_ShadowOffset64 = 1ULL << 36;
static const u64 kMIPS32_ShadowOffset32 = 0x0aaa0000;
static const u64 kMIPS64_ShadowOffset64 = 1ULL << 37;
static const u64 kPPC64_ShadowOffset64 = 1ULL << 41;
static const u64 kPPC64_ShadowOffset64 = 1ULL << 44;
static const u64 kSystemZ_ShadowOffset64 = 1ULL << 52;
static const u64 kSPARC64_ShadowOffset64 = 1ULL << 43; // 0x80000000000
static const u64 kFreeBSD_ShadowOffset32 = 1ULL << 30; // 0x40000000
@ -200,11 +197,7 @@ static const u64 kMyriadCacheBitMask32 = 0x40000000ULL;
# elif SANITIZER_WINDOWS
# define SHADOW_OFFSET kWindowsShadowOffset32
# elif SANITIZER_IOS
# if SANITIZER_IOSSIM
# define SHADOW_OFFSET kIosSimShadowOffset32
# else
# define SHADOW_OFFSET kIosShadowOffset32
# endif
# define SHADOW_OFFSET __asan_shadow_memory_dynamic_address
# elif SANITIZER_MYRIAD2
# define SHADOW_OFFSET kMyriadShadowOffset32
# else
@ -212,11 +205,7 @@ static const u64 kMyriadCacheBitMask32 = 0x40000000ULL;
# endif
#else
# if SANITIZER_IOS
# if SANITIZER_IOSSIM
# define SHADOW_OFFSET kIosSimShadowOffset64
# else
# define SHADOW_OFFSET __asan_shadow_memory_dynamic_address
# endif
# elif defined(__aarch64__)
# define SHADOW_OFFSET kAArch64_ShadowOffset64
# elif defined(__powerpc64__)

5
libsanitizer/asan/asan_mapping_myriad.h
View File

@ -1,7 +1,8 @@
//===-- asan_mapping_myriad.h -----------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

5
libsanitizer/asan/asan_mapping_sparc64.h
View File

@ -1,7 +1,8 @@
//===-- asan_mapping_sparc64.h ----------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

7
libsanitizer/asan/asan_memory_profile.cc → libsanitizer/asan/asan_memory_profile.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_memory_profile.cc.cc -----------------------------------------===//
//===-- asan_memory_profile.cpp ----------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

25
libsanitizer/asan/asan_new_delete.cc → libsanitizer/asan/asan_new_delete.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_interceptors.cc ----------------------------------------------===//
//===-- asan_interceptors.cpp ---------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -71,24 +72,18 @@ enum class align_val_t: size_t {};
// For local pool allocation, align to SHADOW_GRANULARITY to match asan
// allocator behavior.
#define OPERATOR_NEW_BODY(type, nothrow) \
if (ALLOCATE_FROM_LOCAL_POOL) {\
void *res = MemalignFromLocalPool(SHADOW_GRANULARITY, size);\
if (!nothrow) CHECK(res);\
return res;\
}\
MAYBE_ALLOCATE_FROM_LOCAL_POOL(nothrow); \
GET_STACK_TRACE_MALLOC; \
void *res = asan_memalign(0, size, &stack, type); \
if (!nothrow && UNLIKELY(!res)) ReportOutOfMemory(size, &stack);\
if (!nothrow && UNLIKELY(!res)) \
ReportOutOfMemory(size, &stack); \
return res;
#define OPERATOR_NEW_BODY_ALIGN(type, nothrow) \
if (ALLOCATE_FROM_LOCAL_POOL) {\
void *res = MemalignFromLocalPool((uptr)align, size);\
if (!nothrow) CHECK(res);\
return res;\
}\
MAYBE_ALLOCATE_FROM_LOCAL_POOL(nothrow); \
GET_STACK_TRACE_MALLOC; \
void *res = asan_memalign((uptr)align, size, &stack, type); \
if (!nothrow && UNLIKELY(!res)) ReportOutOfMemory(size, &stack);\
if (!nothrow && UNLIKELY(!res)) \
ReportOutOfMemory(size, &stack); \
return res;
// On OS X it's not enough to just provide our own 'operator new' and

7
libsanitizer/asan/asan_poisoning.cc → libsanitizer/asan/asan_poisoning.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_poisoning.cc -------------------------------------------------===//
//===-- asan_poisoning.cpp ------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

15
libsanitizer/asan/asan_poisoning.h
View File

@ -1,7 +1,8 @@
//===-- asan_poisoning.h ----------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -14,6 +15,7 @@
#include "asan_internal.h"
#include "asan_mapping.h"
#include "sanitizer_common/sanitizer_flags.h"
#include "sanitizer_common/sanitizer_platform.h"
namespace __asan {
@ -37,6 +39,10 @@ void PoisonShadowPartialRightRedzone(uptr addr,
ALWAYS_INLINE void FastPoisonShadow(uptr aligned_beg, uptr aligned_size,
u8 value) {
DCHECK(!value || CanPoisonMemory());
#if SANITIZER_FUCHSIA
__sanitizer_fill_shadow(aligned_beg, aligned_size, value,
common_flags()->clear_shadow_mmap_threshold);
#else
uptr shadow_beg = MEM_TO_SHADOW(aligned_beg);
uptr shadow_end = MEM_TO_SHADOW(
aligned_beg + aligned_size - SHADOW_GRANULARITY) + 1;
@ -45,10 +51,6 @@ ALWAYS_INLINE void FastPoisonShadow(uptr aligned_beg, uptr aligned_size,
// probably provide higher-level interface for these operations.
// For now, just memset on Windows.
if (value || SANITIZER_WINDOWS == 1 ||
// TODO(mcgrathr): Fuchsia doesn't allow the shadow mapping to be
// changed at all. It doesn't currently have an efficient means
// to zero a bunch of pages, but maybe we should add one.
SANITIZER_FUCHSIA == 1 ||
// RTEMS doesn't have have pages, let alone a fast way to zero
// them, so default to memset.
SANITIZER_RTEMS == 1 ||
@ -71,6 +73,7 @@ ALWAYS_INLINE void FastPoisonShadow(uptr aligned_beg, uptr aligned_size,
ReserveShadowMemoryRange(page_beg, page_end - 1, nullptr);
}
}
#endif // SANITIZER_FUCHSIA
}
ALWAYS_INLINE void FastPoisonShadowPartialRightRedzone(

53
libsanitizer/asan/asan_posix.cc → libsanitizer/asan/asan_posix.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_posix.cc -----------------------------------------------------===//
//===-- asan_posix.cpp ----------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -38,6 +39,51 @@ void AsanOnDeadlySignal(int signo, void *siginfo, void *context) {
// ---------------------- TSD ---------------- {{{1
#if SANITIZER_NETBSD && !ASAN_DYNAMIC
// Thread Static Data cannot be used in early static ASan init on NetBSD.
// Reuse the Asan TSD API for compatibility with existing code
// with an alternative implementation.
static void (*tsd_destructor)(void *tsd) = nullptr;
struct tsd_key {
tsd_key() : key(nullptr) {}
~tsd_key() {
CHECK(tsd_destructor);
if (key)
(*tsd_destructor)(key);
}
void *key;
};
static thread_local struct tsd_key key;
void AsanTSDInit(void (*destructor)(void *tsd)) {
CHECK(!tsd_destructor);
tsd_destructor = destructor;
}
void *AsanTSDGet() {
CHECK(tsd_destructor);
return key.key;
}
void AsanTSDSet(void *tsd) {
CHECK(tsd_destructor);
CHECK(tsd);
CHECK(!key.key);
key.key = tsd;
}
void PlatformTSDDtor(void *tsd) {
CHECK(tsd_destructor);
CHECK_EQ(key.key, tsd);
key.key = nullptr;
// Make sure that signal handler can not see a stale current thread pointer.
atomic_signal_fence(memory_order_seq_cst);
AsanThread::TSDDtor(tsd);
}
#else
static pthread_key_t tsd_key;
static bool tsd_key_inited = false;
void AsanTSDInit(void (*destructor)(void *tsd)) {
@ -65,6 +111,7 @@ void PlatformTSDDtor(void *tsd) {
}
AsanThread::TSDDtor(tsd);
}
#endif
} // namespace __asan
#endif // SANITIZER_POSIX

7
libsanitizer/asan/asan_preinit.cc → libsanitizer/asan/asan_preinit.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_preinit.cc ---------------------------------------------------===//
//===-- asan_preinit.cpp --------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

7
libsanitizer/asan/asan_premap_shadow.cc → libsanitizer/asan/asan_premap_shadow.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_premap_shadow.cc ---------------------------------------------===//
//===-- asan_premap_shadow.cpp --------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

5
libsanitizer/asan/asan_premap_shadow.h
View File

@ -1,7 +1,8 @@
//===-- asan_mapping.h ------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

16
libsanitizer/asan/asan_report.cc → libsanitizer/asan/asan_report.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_report.cc ----------------------------------------------------===//
//===-- asan_report.cpp ---------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -189,7 +190,7 @@ class ScopedInErrorReport {
void ReportError(const ErrorDescription &description) {
// Can only report one error per ScopedInErrorReport.
CHECK_EQ(current_error_.kind, kErrorKindInvalid);
current_error_ = description;
internal_memcpy(&current_error_, &description, sizeof(current_error_));
}
static ErrorDescription &CurrentError() {
@ -262,6 +263,13 @@ void ReportCallocOverflow(uptr count, uptr size, BufferedStackTrace *stack) {
in_report.ReportError(error);
}
void ReportReallocArrayOverflow(uptr count, uptr size,
BufferedStackTrace *stack) {
ScopedInErrorReport in_report(/*fatal*/ true);
ErrorReallocArrayOverflow error(GetCurrentTidOrInvalid(), stack, count, size);
in_report.ReportError(error);
}
void ReportPvallocOverflow(uptr size, BufferedStackTrace *stack) {
ScopedInErrorReport in_report(/*fatal*/ true);
ErrorPvallocOverflow error(GetCurrentTidOrInvalid(), stack, size);

7
libsanitizer/asan/asan_report.h
View File

@ -1,7 +1,8 @@
//===-- asan_report.h -------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -60,6 +61,8 @@ void ReportMallocUsableSizeNotOwned(uptr addr, BufferedStackTrace *stack);
void ReportSanitizerGetAllocatedSizeNotOwned(uptr addr,
BufferedStackTrace *stack);
void ReportCallocOverflow(uptr count, uptr size, BufferedStackTrace *stack);
void ReportReallocArrayOverflow(uptr count, uptr size,
BufferedStackTrace *stack);
void ReportPvallocOverflow(uptr size, BufferedStackTrace *stack);
void ReportInvalidAllocationAlignment(uptr alignment,
BufferedStackTrace *stack);

17
libsanitizer/asan/asan_rtems.cc → libsanitizer/asan/asan_rtems.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_rtems.cc -----------------------------------------------------===//
//===-- asan_rtems.cpp ----------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -182,8 +183,8 @@ static void ThreadStartHook(void *hook, uptr os_id) {
// Determine whether we are starting or restarting the thread.
if (status == ThreadStatusCreated)
// In lieu of AsanThread::ThreadStart.
asanThreadRegistry().StartThread(thread->tid(), os_id,
/*workerthread*/ false, nullptr);
asanThreadRegistry().StartThread(thread->tid(), os_id, ThreadType::Regular,
nullptr);
else {
// In a thread restart, a thread may resume execution at an
// arbitrary function entry point, with its stack and TLS state
@ -211,6 +212,12 @@ static void HandleExit() {
}
}
bool HandleDlopenInit() {
// Not supported on this platform.
static_assert(!SANITIZER_SUPPORTS_INIT_FOR_DLOPEN,
"Expected SANITIZER_SUPPORTS_INIT_FOR_DLOPEN to be false");
return false;
}
} // namespace __asan
// These are declared (in extern "C") by <some_path/sanitizer.h>.

45
libsanitizer/asan/asan_rtl.cc → libsanitizer/asan/asan_rtl.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_rtl.cc -------------------------------------------------------===//
//===-- asan_rtl.cpp ------------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -381,6 +382,19 @@ void PrintAddressSpaceLayout() {
kHighShadowBeg > kMidMemEnd);
}
#if defined(__thumb__) && defined(__linux__)
#define START_BACKGROUND_THREAD_IN_ASAN_INTERNAL
#endif
#ifndef START_BACKGROUND_THREAD_IN_ASAN_INTERNAL
static bool UNUSED __local_asan_dyninit = [] {
MaybeStartBackgroudThread();
SetSoftRssLimitExceededCallback(AsanSoftRssLimitExceededCallback);
return false;
}();
#endif
static void AsanInitInternal() {
if (LIKELY(asan_inited)) return;
SanitizerToolName = "AddressSanitizer";
@ -394,6 +408,14 @@ static void AsanInitInternal() {
// initialization steps look at flags().
InitializeFlags();
// Stop performing init at this point if we are being loaded via
// dlopen() and the platform supports it.
if (SANITIZER_SUPPORTS_INIT_FOR_DLOPEN && UNLIKELY(HandleDlopenInit())) {
asan_init_is_running = false;
VReport(1, "AddressSanitizer init is being performed for dlopen().\n");
return;
}
AsanCheckIncompatibleRT();
AsanCheckDynamicRTPrereqs();
AvoidCVE_2016_2143();
@ -418,6 +440,8 @@ static void AsanInitInternal() {
__asan_option_detect_stack_use_after_return =
flags()->detect_stack_use_after_return;
__sanitizer::InitializePlatformEarly();
// Re-exec ourselves if we need to set additional env or command line args.
MaybeReexec();
@ -445,8 +469,10 @@ static void AsanInitInternal() {
allocator_options.SetFrom(flags(), common_flags());
InitializeAllocator(allocator_options);
#ifdef START_BACKGROUND_THREAD_IN_ASAN_INTERNAL
MaybeStartBackgroudThread();
SetSoftRssLimitExceededCallback(AsanSoftRssLimitExceededCallback);
#endif
// On Linux AsanThread::ThreadStart() calls malloc() that's why asan_inited
// should be set to 1 prior to initializing the threads.
@ -571,6 +597,19 @@ void NOINLINE __asan_handle_no_return() {
curr_thread->fake_stack()->HandleNoReturn();
}
extern "C" void *__asan_extra_spill_area() {
AsanThread *t = GetCurrentThread();
CHECK(t);
return t->extra_spill_area();
}
void __asan_handle_vfork(void *sp) {
AsanThread *t = GetCurrentThread();
CHECK(t);
uptr bottom = t->stack_bottom();
PoisonShadow(bottom, (uptr)sp - bottom, 0);
}
void NOINLINE __asan_set_death_callback(void (*callback)(void)) {
SetUserDieCallback(callback);
}

5
libsanitizer/asan/asan_scariness_score.h
View File

@ -1,7 +1,8 @@
//===-- asan_scariness_score.h ----------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

11
libsanitizer/asan/asan_shadow_setup.cc → libsanitizer/asan/asan_shadow_setup.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_shadow_setup.cc ----------------------------------------------===//
//===-- asan_shadow_setup.cpp ---------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -12,7 +13,7 @@
#include "sanitizer_common/sanitizer_platform.h"
// asan_fuchsia.cc and asan_rtems.cc have their own
// asan_fuchsia.cpp and asan_rtems.cpp have their own
// InitializeShadowMemory implementation.
#if !SANITIZER_FUCHSIA && !SANITIZER_RTEMS
@ -36,7 +37,7 @@ void ReserveShadowMemoryRange(uptr beg, uptr end, const char *name) {
size);
Abort();
}
if (common_flags()->no_huge_pages_for_shadow) NoHugePagesInRegion(beg, size);
SetShadowRegionHugePageMode(beg, size);
if (common_flags()->use_madv_dontdump) DontDumpShadowMemory(beg, size);
}

38
libsanitizer/asan/asan_stack.cc
View File

@ -1,38 +0,0 @@
//===-- asan_stack.cc -----------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Code for ASan stack trace.
//===----------------------------------------------------------------------===//
#include "asan_internal.h"
#include "asan_stack.h"
#include "sanitizer_common/sanitizer_atomic.h"
namespace __asan {
static atomic_uint32_t malloc_context_size;
void SetMallocContextSize(u32 size) {
atomic_store(&malloc_context_size, size, memory_order_release);
}
u32 GetMallocContextSize() {
return atomic_load(&malloc_context_size, memory_order_acquire);
}
} // namespace __asan
// ------------------ Interface -------------- {{{1
extern "C" {
SANITIZER_INTERFACE_ATTRIBUTE
void __sanitizer_print_stack_trace() {
using namespace __asan;
PRINT_CURRENT_STACK();
}
} // extern "C"

88
libsanitizer/asan/asan_stack.cpp Normal file
View File

@ -0,0 +1,88 @@
//===-- asan_stack.cpp ----------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Code for ASan stack trace.
//===----------------------------------------------------------------------===//
#include "asan_internal.h"
#include "asan_stack.h"
#include "sanitizer_common/sanitizer_atomic.h"
namespace __asan {
static atomic_uint32_t malloc_context_size;
void SetMallocContextSize(u32 size) {
atomic_store(&malloc_context_size, size, memory_order_release);
}
u32 GetMallocContextSize() {
return atomic_load(&malloc_context_size, memory_order_acquire);
}
namespace {
// ScopedUnwinding is a scope for stacktracing member of a context
class ScopedUnwinding {
public:
explicit ScopedUnwinding(AsanThread *t) : thread(t) {
if (thread) {
can_unwind = !thread->isUnwinding();
thread->setUnwinding(true);
}
}
~ScopedUnwinding() {
if (thread)
thread->setUnwinding(false);
}
bool CanUnwind() const { return can_unwind; }
private:
AsanThread *thread = nullptr;
bool can_unwind = true;
};
} // namespace
} // namespace __asan
void __sanitizer::BufferedStackTrace::UnwindImpl(
uptr pc, uptr bp, void *context, bool request_fast, u32 max_depth) {
using namespace __asan;
size = 0;
if (UNLIKELY(!asan_inited))
return;
request_fast = StackTrace::WillUseFastUnwind(request_fast);
AsanThread *t = GetCurrentThread();
ScopedUnwinding unwind_scope(t);
if (!unwind_scope.CanUnwind())
return;
if (request_fast) {
if (t) {
Unwind(max_depth, pc, bp, nullptr, t->stack_top(), t->stack_bottom(),
true);
}
return;
}
if (SANITIZER_MIPS && t &&
!IsValidFrame(bp, t->stack_top(), t->stack_bottom()))
return;
Unwind(max_depth, pc, bp, context, 0, 0, false);
}
// ------------------ Interface -------------- {{{1
extern "C" {
SANITIZER_INTERFACE_ATTRIBUTE
void __sanitizer_print_stack_trace() {
using namespace __asan;
PRINT_CURRENT_STACK();
}
} // extern "C"

43
libsanitizer/asan/asan_stack.h
View File

@ -1,13 +1,14 @@
//===-- asan_stack.h --------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for asan_stack.cc.
// ASan-private header for asan_stack.cpp.
//===----------------------------------------------------------------------===//
#ifndef ASAN_STACK_H
@ -25,34 +26,6 @@ static const u32 kDefaultMallocContextSize = 30;
void SetMallocContextSize(u32 size);
u32 GetMallocContextSize();
// Get the stack trace with the given pc and bp.
// The pc will be in the position 0 of the resulting stack trace.
// The bp may refer to the current frame or to the caller's frame.
ALWAYS_INLINE
void GetStackTrace(BufferedStackTrace *stack, uptr max_depth, uptr pc, uptr bp,
void *context, bool fast) {
#if SANITIZER_WINDOWS
stack->Unwind(max_depth, pc, bp, context, 0, 0, fast);
#else
AsanThread *t;
stack->size = 0;
if (LIKELY(asan_inited)) {
if ((t = GetCurrentThread()) && !t->isUnwinding()) {
uptr stack_top = t->stack_top();
uptr stack_bottom = t->stack_bottom();
ScopedUnwinding unwind_scope(t);
if (!SANITIZER_MIPS || IsValidFrame(bp, stack_top, stack_bottom)) {
stack->Unwind(max_depth, pc, bp, context, stack_top, stack_bottom,
fast);
}
} else if (!t && !fast) {
/* If GetCurrentThread() has failed, try to do slow unwind anyways. */
stack->Unwind(max_depth, pc, bp, context, 0, 0, false);
}
}
#endif // SANITIZER_WINDOWS
}
} // namespace __asan
// NOTE: A Rule of thumb is to retrieve stack trace in the interceptors
@ -69,18 +42,18 @@ void GetStackTrace(BufferedStackTrace *stack, uptr max_depth, uptr pc, uptr bp,
if (max_size > 1) stack.trace_buffer[1] = GET_CALLER_PC(); \
} \
} else { \
GetStackTrace(&stack, max_size, StackTrace::GetCurrentPc(), \
GET_CURRENT_FRAME(), 0, fast); \
stack.Unwind(StackTrace::GetCurrentPc(), \
GET_CURRENT_FRAME(), nullptr, fast, max_size); \
}
#define GET_STACK_TRACE_FATAL(pc, bp) \
BufferedStackTrace stack; \
GetStackTrace(&stack, kStackTraceMax, pc, bp, 0, \
stack.Unwind(pc, bp, nullptr, \
common_flags()->fast_unwind_on_fatal)
#define GET_STACK_TRACE_SIGNAL(sig) \
BufferedStackTrace stack; \
GetStackTrace(&stack, kStackTraceMax, (sig).pc, (sig).bp, (sig).context, \
stack.Unwind((sig).pc, (sig).bp, (sig).context, \
common_flags()->fast_unwind_on_fatal)
#define GET_STACK_TRACE_FATAL_HERE \

7
libsanitizer/asan/asan_stats.cc → libsanitizer/asan/asan_stats.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_stats.cc -----------------------------------------------------===//
//===-- asan_stats.cpp ----------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

5
libsanitizer/asan/asan_stats.h
View File

@ -1,7 +1,8 @@
//===-- asan_stats.h --------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

7
libsanitizer/asan/asan_suppressions.cc → libsanitizer/asan/asan_suppressions.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_suppressions.cc ----------------------------------------------===//
//===-- asan_suppressions.cpp ---------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

7
libsanitizer/asan/asan_suppressions.h
View File

@ -1,13 +1,14 @@
//===-- asan_suppressions.h -------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for asan_suppressions.cc.
// ASan-private header for asan_suppressions.cpp.
//===----------------------------------------------------------------------===//
#ifndef ASAN_SUPPRESSIONS_H
#define ASAN_SUPPRESSIONS_H

22
libsanitizer/asan/asan_thread.cc → libsanitizer/asan/asan_thread.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_thread.cc ----------------------------------------------------===//
//===-- asan_thread.cpp ---------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -221,9 +222,11 @@ void AsanThread::Init(const InitOptions *options) {
atomic_store(&stack_switching_, false, memory_order_release);
CHECK_EQ(this->stack_size(), 0U);
SetThreadStackAndTls(options);
if (stack_top_ != stack_bottom_) {
CHECK_GT(this->stack_size(), 0U);
CHECK(AddrIsInMem(stack_bottom_));
CHECK(AddrIsInMem(stack_top_ - 1));
}
ClearShadowForThreadStackAndTLS();
fake_stack_ = nullptr;
if (__asan_option_detect_stack_use_after_return)
@ -242,8 +245,7 @@ void AsanThread::Init(const InitOptions *options) {
thread_return_t AsanThread::ThreadStart(
tid_t os_id, atomic_uintptr_t *signal_thread_is_registered) {
Init();
asanThreadRegistry().StartThread(tid(), os_id, /*workerthread*/ false,
nullptr);
asanThreadRegistry().StartThread(tid(), os_id, ThreadType::Regular, nullptr);
if (signal_thread_is_registered)
atomic_store(signal_thread_is_registered, 1, memory_order_release);
@ -287,19 +289,22 @@ void AsanThread::SetThreadStackAndTls(const InitOptions *options) {
DCHECK_EQ(options, nullptr);
uptr tls_size = 0;
uptr stack_size = 0;
GetThreadStackAndTls(tid() == 0, const_cast<uptr *>(&stack_bottom_),
const_cast<uptr *>(&stack_size), &tls_begin_, &tls_size);
GetThreadStackAndTls(tid() == 0, &stack_bottom_, &stack_size, &tls_begin_,
&tls_size);
stack_top_ = stack_bottom_ + stack_size;
tls_end_ = tls_begin_ + tls_size;
dtls_ = DTLS_Get();
if (stack_top_ != stack_bottom_) {
int local;
CHECK(AddrIsInStack((uptr)&local));
}
}
#endif // !SANITIZER_FUCHSIA && !SANITIZER_RTEMS
void AsanThread::ClearShadowForThreadStackAndTLS() {
if (stack_top_ != stack_bottom_)
PoisonShadow(stack_bottom_, stack_top_ - stack_bottom_, 0);
if (tls_begin_ != tls_end_) {
uptr tls_begin_aligned = RoundDownTo(tls_begin_, SHADOW_GRANULARITY);
@ -312,6 +317,9 @@ void AsanThread::ClearShadowForThreadStackAndTLS() {
bool AsanThread::GetStackFrameAccessByAddr(uptr addr,
StackFrameAccess *access) {
if (stack_top_ == stack_bottom_)
return false;
uptr bottom = 0;
if (AddrIsInStack(addr)) {
bottom = stack_bottom();

22
libsanitizer/asan/asan_thread.h
View File

@ -1,13 +1,14 @@
//===-- asan_thread.h -------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// ASan-private header for asan_thread.cc.
// ASan-private header for asan_thread.cpp.
//===----------------------------------------------------------------------===//
#ifndef ASAN_THREAD_H
@ -129,6 +130,8 @@ class AsanThread {
AsanThreadLocalMallocStorage &malloc_storage() { return malloc_storage_; }
AsanStats &stats() { return stats_; }
void *extra_spill_area() { return &extra_spill_area_; }
private:
// NOTE: There is no AsanThread constructor. It is allocated
// via mmap() and *must* be valid in zero-initialized state.
@ -164,18 +167,7 @@ class AsanThread {
AsanThreadLocalMallocStorage malloc_storage_;
AsanStats stats_;
bool unwinding_;
};
// ScopedUnwinding is a scope for stacktracing member of a context
class ScopedUnwinding {
public:
explicit ScopedUnwinding(AsanThread *t) : thread(t) {
t->setUnwinding(true);
}
~ScopedUnwinding() { thread->setUnwinding(false); }
private:
AsanThread *thread;
uptr extra_spill_area_;
};
// Returns a single instance of registry.

107
libsanitizer/asan/asan_win.cc → libsanitizer/asan/asan_win.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_win.cc -------------------------------------------------------===//
//===-- asan_win.cpp ------------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -19,10 +20,10 @@
#include "asan_interceptors.h"
#include "asan_internal.h"
#include "asan_mapping.h"
#include "asan_report.h"
#include "asan_stack.h"
#include "asan_thread.h"
#include "asan_mapping.h"
#include "sanitizer_common/sanitizer_libc.h"
#include "sanitizer_common/sanitizer_mutex.h"
#include "sanitizer_common/sanitizer_win.h"
@ -103,7 +104,9 @@ INTERCEPTOR_WINAPI(void, RaiseException, void *a, void *b, void *c, void *d) {
#ifdef _WIN64
INTERCEPTOR_WINAPI(int, __C_specific_handler, void *a, void *b, void *c, void *d) { // NOLINT
INTERCEPTOR_WINAPI(EXCEPTION_DISPOSITION, __C_specific_handler,
_EXCEPTION_RECORD *a, void *b, _CONTEXT *c,
_DISPATCHER_CONTEXT *d) { // NOLINT
CHECK(REAL(__C_specific_handler));
__asan_handle_no_return();
return REAL(__C_specific_handler)(a, b, c, d);
@ -134,10 +137,9 @@ static thread_return_t THREAD_CALLING_CONV asan_thread_start(void *arg) {
return t->ThreadStart(GetTid(), /* signal_thread_is_registered */ nullptr);
}
INTERCEPTOR_WINAPI(DWORD, CreateThread,
void* security, uptr stack_size,
DWORD (__stdcall *start_routine)(void*), void* arg,
DWORD thr_flags, void* tid) {
INTERCEPTOR_WINAPI(HANDLE, CreateThread, LPSECURITY_ATTRIBUTES security,
SIZE_T stack_size, LPTHREAD_START_ROUTINE start_routine,
void *arg, DWORD thr_flags, DWORD *tid) {
// Strict init-order checking is thread-hostile.
if (flags()->strict_init_order)
StopInitOrderChecking();
@ -148,8 +150,8 @@ INTERCEPTOR_WINAPI(DWORD, CreateThread,
u32 current_tid = GetCurrentTidOrInvalid();
AsanThread *t =
AsanThread::Create(start_routine, arg, current_tid, &stack, detached);
return REAL(CreateThread)(security, stack_size,
asan_thread_start, t, thr_flags, tid);
return REAL(CreateThread)(security, stack_size, asan_thread_start, t,
thr_flags, tid);
}
// }}}
@ -160,10 +162,9 @@ void InitializePlatformInterceptors() {
// The interceptors were not designed to be removable, so we have to keep this
// module alive for the life of the process.
HMODULE pinned;
CHECK(GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
GET_MODULE_HANDLE_EX_FLAG_PIN,
(LPCWSTR)&InitializePlatformInterceptors,
&pinned));
CHECK(GetModuleHandleExW(
GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_PIN,
(LPCWSTR)&InitializePlatformInterceptors, &pinned));
ASAN_INTERCEPT_FUNC(CreateThread);
ASAN_INTERCEPT_FUNC(SetUnhandledExceptionFilter);
@ -195,6 +196,30 @@ static bool tsd_key_inited = false;
static __declspec(thread) void *fake_tsd = 0;
// https://docs.microsoft.com/en-us/windows/desktop/api/winternl/ns-winternl-_teb
// "[This structure may be altered in future versions of Windows. Applications
// should use the alternate functions listed in this topic.]"
typedef struct _TEB {
PVOID Reserved1[12];
// PVOID ThreadLocalStoragePointer; is here, at the last field in Reserved1.
PVOID ProcessEnvironmentBlock;
PVOID Reserved2[399];
BYTE Reserved3[1952];
PVOID TlsSlots[64];
BYTE Reserved4[8];
PVOID Reserved5[26];
PVOID ReservedForOle;
PVOID Reserved6[4];
PVOID TlsExpansionSlots;
} TEB, *PTEB;
constexpr size_t TEB_RESERVED_FIELDS_THREAD_LOCAL_STORAGE_OFFSET = 11;
BOOL IsTlsInitialized() {
PTEB teb = (PTEB)NtCurrentTeb();
return teb->Reserved1[TEB_RESERVED_FIELDS_THREAD_LOCAL_STORAGE_OFFSET] !=
nullptr;
}
void AsanTSDInit(void (*destructor)(void *tsd)) {
// FIXME: we're ignoring the destructor for now.
tsd_key_inited = true;
@ -202,7 +227,7 @@ void AsanTSDInit(void (*destructor)(void *tsd)) {
void *AsanTSDGet() {
CHECK(tsd_key_inited);
return fake_tsd;
return IsTlsInitialized() ? fake_tsd : nullptr;
}
void AsanTSDSet(void *tsd) {
@ -210,9 +235,7 @@ void AsanTSDSet(void *tsd) {
fake_tsd = tsd;
}
void PlatformTSDDtor(void *tsd) {
AsanThread::TSDDtor(tsd);
}
void PlatformTSDDtor(void *tsd) { AsanThread::TSDDtor(tsd); }
// }}}
// ---------------------- Various stuff ---------------- {{{
@ -243,9 +266,7 @@ void ReadContextStack(void *context, uptr *stack, uptr *ssize) {
UNIMPLEMENTED();
}
void AsanOnDeadlySignal(int, void *siginfo, void *context) {
UNIMPLEMENTED();
}
void AsanOnDeadlySignal(int, void *siginfo, void *context) { UNIMPLEMENTED(); }
#if SANITIZER_WINDOWS64
// Exception handler for dealing with shadow memory.
@ -254,7 +275,9 @@ ShadowExceptionHandler(PEXCEPTION_POINTERS exception_pointers) {
uptr page_size = GetPageSizeCached();
// Only handle access violations.
if (exception_pointers->ExceptionRecord->ExceptionCode !=
EXCEPTION_ACCESS_VIOLATION) {
EXCEPTION_ACCESS_VIOLATION ||
exception_pointers->ExceptionRecord->NumberParameters < 2) {
__asan_handle_no_return();
return EXCEPTION_CONTINUE_SEARCH;
}
@ -263,7 +286,10 @@ ShadowExceptionHandler(PEXCEPTION_POINTERS exception_pointers) {
(uptr)(exception_pointers->ExceptionRecord->ExceptionInformation[1]);
// Check valid shadow range.
if (!AddrIsInShadow(addr)) return EXCEPTION_CONTINUE_SEARCH;
if (!AddrIsInShadow(addr)) {
__asan_handle_no_return();
return EXCEPTION_CONTINUE_SEARCH;
}
// This is an access violation while trying to read from the shadow. Commit
// the relevant page and let execution continue.
@ -274,7 +300,8 @@ ShadowExceptionHandler(PEXCEPTION_POINTERS exception_pointers) {
// Commit the page.
uptr result =
(uptr)::VirtualAlloc((LPVOID)page, page_size, MEM_COMMIT, PAGE_READWRITE);
if (result != page) return EXCEPTION_CONTINUE_SEARCH;
if (result != page)
return EXCEPTION_CONTINUE_SEARCH;
// The page mapping succeeded, so continue execution as usual.
return EXCEPTION_CONTINUE_EXECUTION;
@ -310,8 +337,7 @@ bool IsSystemHeapAddress(uptr addr) {
// asan_dynamic_runtime_thunk.lib to all the modules, thus __asan_set_seh_filter
// will be called for each instrumented module. This ensures that at least one
// __asan_set_seh_filter call happens after the .exe module CRT is initialized.
extern "C" SANITIZER_INTERFACE_ATTRIBUTE
int __asan_set_seh_filter() {
extern "C" SANITIZER_INTERFACE_ATTRIBUTE int __asan_set_seh_filter() {
// We should only store the previous handler if it's not our own handler in
// order to avoid loops in the EH chain.
auto prev_seh_handler = SetUnhandledExceptionFilter(SEHHandler);
@ -320,6 +346,13 @@ int __asan_set_seh_filter() {
return 0;
}
bool HandleDlopenInit() {
// Not supported on this platform.
static_assert(!SANITIZER_SUPPORTS_INIT_FOR_DLOPEN,
"Expected SANITIZER_SUPPORTS_INIT_FOR_DLOPEN to be false");
return false;
}
#if !ASAN_DYNAMIC
// The CRT runs initializers in this order:
// - C initializers, from XIA to XIZ
@ -338,14 +371,28 @@ __declspec(allocate(".CRT$XCAB")) int (*__intercept_seh)() =
// which run before the CRT. Users also add code to .CRT$XLC, so it's important
// to run our initializers first.
static void NTAPI asan_thread_init(void *module, DWORD reason, void *reserved) {
if (reason == DLL_PROCESS_ATTACH) __asan_init();
if (reason == DLL_PROCESS_ATTACH)
__asan_init();
}
#pragma section(".CRT$XLAB", long, read) // NOLINT
__declspec(allocate(".CRT$XLAB")) void (NTAPI *__asan_tls_init)(void *,
unsigned long, void *) = asan_thread_init;
__declspec(allocate(".CRT$XLAB")) void(NTAPI *__asan_tls_init)(
void *, unsigned long, void *) = asan_thread_init;
#endif
static void NTAPI asan_thread_exit(void *module, DWORD reason, void *reserved) {
if (reason == DLL_THREAD_DETACH) {
// Unpoison the thread's stack because the memory may be re-used.
NT_TIB *tib = (NT_TIB *)NtCurrentTeb();
uptr stackSize = (uptr)tib->StackBase - (uptr)tib->StackLimit;
__asan_unpoison_memory_region(tib->StackLimit, stackSize);
}
}
#pragma section(".CRT$XLY", long, read) // NOLINT
__declspec(allocate(".CRT$XLY")) void(NTAPI *__asan_tls_exit)(
void *, unsigned long, void *) = asan_thread_exit;
WIN_FORCE_LINK(__asan_dso_reg_hook)
// }}}

10
libsanitizer/asan/asan_win_dll_thunk.cc → libsanitizer/asan/asan_win_dll_thunk.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_win_dll_thunk.cc ---------------------------------------------===//
//===-- asan_win_dll_thunk.cpp --------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -46,13 +47,14 @@ INTERCEPT_WRAP_W_WWW(_recalloc)
INTERCEPT_WRAP_W_WWW(_recalloc_base)
INTERCEPT_WRAP_W_W(_msize)
INTERCEPT_WRAP_W_W(_msize_base)
INTERCEPT_WRAP_W_W(_expand)
INTERCEPT_WRAP_W_W(_expand_dbg)
// TODO(timurrrr): Might want to add support for _aligned_* allocation
// functions to detect a bit more bugs. Those functions seem to wrap malloc().
// TODO(timurrrr): Do we need to add _Crt* stuff here? (see asan_malloc_win.cc).
// TODO(timurrrr): Do we need to add _Crt* stuff here? (see asan_malloc_win.cpp)
INTERCEPT_LIBRARY_FUNCTION(atoi);
INTERCEPT_LIBRARY_FUNCTION(atol);

9
libsanitizer/asan/asan_win_dynamic_runtime_thunk.cc → libsanitizer/asan/asan_win_dynamic_runtime_thunk.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_win_dynamic_runtime_thunk.cc ---------------------------------===//
//===-- asan_win_dynamic_runtime_thunk.cpp --------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -113,7 +114,7 @@ int (*__asan_schedule_unregister_globals)() = ScheduleUnregisterGlobals;
////////////////////////////////////////////////////////////////////////////////
// ASan SEH handling.
// We need to set the ASan-specific SEH handler at the end of CRT initialization
// of each module (see also asan_win.cc).
// of each module (see also asan_win.cpp).
extern "C" {
__declspec(dllimport) int __asan_set_seh_filter();
static int SetSEHFilter() { return __asan_set_seh_filter(); }

7
libsanitizer/asan/asan_win_weak_interception.cc → libsanitizer/asan/asan_win_weak_interception.cpp
View File

@ -1,7 +1,8 @@
//===-- asan_win_weak_interception.cc -------------------------------------===//
//===-- asan_win_weak_interception.cpp ------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// This module should be included in Address Sanitizer when it is implemented as

36
libsanitizer/builtins/assembly.h
View File

@ -1,17 +1,15 @@
/* ===-- assembly.h - compiler-rt assembler support macros -----------------===
*
* The LLVM Compiler Infrastructure
*
* This file is dual licensed under the MIT and the University of Illinois Open
* Source Licenses. See LICENSE.TXT for details.
*
* ===----------------------------------------------------------------------===
*
* This file defines macros for use in compiler-rt assembler source.
* This file is not part of the interface of this library.
*
* ===----------------------------------------------------------------------===
*/
//===-- assembly.h - compiler-rt assembler support macros -----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines macros for use in compiler-rt assembler source.
// This file is not part of the interface of this library.
//
//===----------------------------------------------------------------------===//
#ifndef COMPILERRT_ASSEMBLY_H
#define COMPILERRT_ASSEMBLY_H
@ -69,11 +67,9 @@
#if defined(__arm__)
/*
* Determine actual [ARM][THUMB[1][2]] ISA using compiler predefined macros:
* - for '-mthumb -march=armv6' compiler defines '__thumb__'
* - for '-mthumb -march=armv7' compiler defines '__thumb__' and '__thumb2__'
*/
// Determine actual [ARM][THUMB[1][2]] ISA using compiler predefined macros:
// - for '-mthumb -march=armv6' compiler defines '__thumb__'
// - for '-mthumb -march=armv7' compiler defines '__thumb__' and '__thumb2__'
#if defined(__thumb2__) || defined(__thumb__)
#define DEFINE_CODE_STATE .thumb SEPARATOR
#define DECLARE_FUNC_ENCODING .thumb_func SEPARATOR
@ -201,4 +197,4 @@
#define END_COMPILERRT_FUNCTION(name)
#endif
#endif /* COMPILERRT_ASSEMBLY_H */
#endif // COMPILERRT_ASSEMBLY_H

205
libsanitizer/configure vendored
View File

@ -708,7 +708,6 @@ am__nodep
AMDEPBACKSLASH
AMDEP_FALSE
AMDEP_TRUE
am__quote
am__include
DEPDIR
am__untar
@ -797,7 +796,8 @@ PACKAGE_VERSION
PACKAGE_TARNAME
PACKAGE_NAME
PATH_SEPARATOR
SHELL'
SHELL
am__quote'
ac_subst_files=''
ac_user_opts='
enable_option_checking
@ -4221,7 +4221,7 @@ esac
am__api_version='1.15'
am__api_version='1.16'
# Find a good install program. We prefer a C program (faster),
# so one script is as good as another. But avoid the broken or
@ -4647,45 +4647,45 @@ DEPDIR="${am__leading_dot}deps"
ac_config_commands="$ac_config_commands depfiles"
am_make=${MAKE-make}
cat > confinc << 'END'
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} supports the include directive" >&5
$as_echo_n "checking whether ${MAKE-make} supports the include directive... " >&6; }
cat > confinc.mk << 'END'
am__doit:
@echo this is the am__doit target
@echo this is the am__doit target >confinc.out
.PHONY: am__doit
END
# If we don't find an include directive, just comment out the code.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
$as_echo_n "checking for style of include used by $am_make... " >&6; }
am__include="#"
am__quote=
_am_result=none
# First try GNU make style include.
echo "include confinc" > confmf
# Ignore all kinds of additional output from 'make'.
case `$am_make -s -f confmf 2> /dev/null` in #(
*the\ am__doit\ target*)
am__include=include
am__quote=
_am_result=GNU
;;
esac
# Now try BSD make style include.
if test "$am__include" = "#"; then
echo '.include "confinc"' > confmf
case `$am_make -s -f confmf 2> /dev/null` in #(
*the\ am__doit\ target*)
am__include=.include
am__quote="\""
_am_result=BSD
# BSD make does it like this.
echo '.include "confinc.mk" # ignored' > confmf.BSD
# Other make implementations (GNU, Solaris 10, AIX) do it like this.
echo 'include confinc.mk # ignored' > confmf.GNU
_am_result=no
for s in GNU BSD; do
{ echo "$as_me:$LINENO: ${MAKE-make} -f confmf.$s && cat confinc.out" >&5
(${MAKE-make} -f confmf.$s && cat confinc.out) >&5 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }
case $?:`cat confinc.out 2>/dev/null` in #(
'0:this is the am__doit target') :
case $s in #(
BSD) :
am__include='.include' am__quote='"' ;; #(
*) :
am__include='include' am__quote='' ;;
esac ;; #(
*) :
;;
esac
if test "$am__include" != "#"; then
_am_result="yes ($s style)"
break
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
$as_echo "$_am_result" >&6; }
rm -f confinc confmf
done
rm -f confinc.* confmf.*
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${_am_result}" >&5
$as_echo "${_am_result}" >&6; }
# Check whether --enable-dependency-tracking was given.
if test "${enable_dependency_tracking+set}" = set; then :
@ -4797,8 +4797,8 @@ MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
# For better backward compatibility. To be removed once Automake 1.9.x
# dies out for good. For more background, see:
# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
mkdir_p='$(MKDIR_P)'
# We need awk for the "check" target (and possibly the TAP driver). The
@ -4977,7 +4977,7 @@ END
Aborting the configuration process, to ensure you take notice of the issue.
You can download and install GNU coreutils to get an 'rm' implementation
that behaves properly: <http://www.gnu.org/software/coreutils/>.
that behaves properly: <https://www.gnu.org/software/coreutils/>.
If you want to complete the configuration process using your problematic
'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
@ -17652,7 +17652,7 @@ CC="$CC"
CXX="$CXX"
GFORTRAN="$GFORTRAN"
GDC="$GDC"
AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"
# The HP-UX ksh and POSIX shell print the target directory to stdout
@ -18662,29 +18662,35 @@ esac ;;
# Older Autoconf quotes --file arguments for eval, but not when files
# are listed without --file. Let's play safe and only enable the eval
# if we detect the quoting.
case $CONFIG_FILES in
*\'*) eval set x "$CONFIG_FILES" ;;
*) set x $CONFIG_FILES ;;
# TODO: see whether this extra hack can be removed once we start
# requiring Autoconf 2.70 or later.
case $CONFIG_FILES in #(
*\'*) :
eval set x "$CONFIG_FILES" ;; #(
*) :
set x $CONFIG_FILES ;; #(
*) :
;;
esac
shift
for mf
# Used to flag and report bootstrapping failures.
am_rc=0
for am_mf
do
# Strip MF so we end up with the name of the file.
mf=`echo "$mf" | sed -e 's/:.*$//'`
# Check whether this is an Automake generated Makefile or not.
# We used to match only the files named 'Makefile.in', but
# some people rename them; so instead we look at the file content.
# Grep'ing the first line is not enough: some people post-process
# each Makefile.in and add a new line on top of each file to say so.
# Grep'ing the whole file is not good either: AIX grep has a line
am_mf=`$as_echo "$am_mf" | sed -e 's/:.*$//'`
# Check whether this is an Automake generated Makefile which includes
# dependency-tracking related rules and includes.
# Grep'ing the whole file directly is not great: AIX grep has a line
# limit of 2048, but all sed's we know have understand at least 4000.
if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
dirpart=`$as_dirname -- "$mf" ||
$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
X"$mf" : 'X\(//\)[^/]' \| \
X"$mf" : 'X\(//\)$' \| \
X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$mf" |
sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
|| continue
am_dirpart=`$as_dirname -- "$am_mf" ||
$as_expr X"$am_mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
X"$am_mf" : 'X\(//\)[^/]' \| \
X"$am_mf" : 'X\(//\)$' \| \
X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$am_mf" |
sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
s//\1/
q
@ -18702,53 +18708,48 @@ $as_echo X"$mf" |
q
}
s/.*/./; q'`
else
continue
am_filepart=`$as_basename -- "$am_mf" ||
$as_expr X/"$am_mf" : '.*/\([^/][^/]*\)/*$' \| \
X"$am_mf" : 'X\(//\)$' \| \
X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X/"$am_mf" |
sed '/^.*\/\([^/][^/]*\)\/*$/{
s//\1/
q
}
/^X\/\(\/\/\)$/{
s//\1/
q
}
/^X\/\(\/\).*/{
s//\1/
q
}
s/.*/./; q'`
{ echo "$as_me:$LINENO: cd "$am_dirpart" \
&& sed -e '/# am--include-marker/d' "$am_filepart" \
| $MAKE -f - am--depfiles" >&5
(cd "$am_dirpart" \
&& sed -e '/# am--include-marker/d' "$am_filepart" \
| $MAKE -f - am--depfiles) >&5 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } || am_rc=$?
done
if test $am_rc -ne 0; then
{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "Something went wrong bootstrapping makefile fragments
for automatic dependency tracking. Try re-running configure with the
'--disable-dependency-tracking' option to at least be able to build
the package (albeit without support for automatic dependency tracking).
See \`config.log' for more details" "$LINENO" 5; }
fi
# Extract the definition of DEPDIR, am__include, and am__quote
# from the Makefile without running 'make'.
DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
test -z "$DEPDIR" && continue
am__include=`sed -n 's/^am__include = //p' < "$mf"`
test -z "$am__include" && continue
am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
# Find all dependency output files, they are included files with
# $(DEPDIR) in their names. We invoke sed twice because it is the
# simplest approach to changing $(DEPDIR) to its actual value in the
# expansion.
for file in `sed -n "
s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
# Make sure the directory exists.
test -f "$dirpart/$file" && continue
fdir=`$as_dirname -- "$file" ||
$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
X"$file" : 'X\(//\)[^/]' \| \
X"$file" : 'X\(//\)$' \| \
X"$file" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$file" |
sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
s//\1/
q
}
/^X\(\/\/\)[^/].*/{
s//\1/
q
}
/^X\(\/\/\)$/{
s//\1/
q
}
/^X\(\/\).*/{
s//\1/
q
}
s/.*/./; q'`
as_dir=$dirpart/$fdir; as_fn_mkdir_p
# echo "creating $dirpart/$file"
echo '# dummy' > "$dirpart/$file"
done
done
{ am_dirpart=; unset am_dirpart;}
{ am_filepart=; unset am_filepart;}
{ am_mf=; unset am_mf;}
{ am_rc=; unset am_rc;}
rm -f conftest-deps.mk
}
;;
"libtool":C)

3
libsanitizer/configure.tgt
View File

@ -28,9 +28,6 @@ case "${target}" in
LSAN_SUPPORTED=yes
TSAN_TARGET_DEPENDENT_OBJECTS=tsan_rtl_amd64.lo
fi
if echo "int x = __x86_64__;" | $CC -c -x c -o /dev/null - > /dev/null 2>&1; then
SANITIZER_COMMON_TARGET_DEPENDENT_OBJECTS=sanitizer_linux_x86_64.lo
fi
;;
powerpc*-*-linux*)
if test x$ac_cv_sizeof_void_p = x8; then

5
libsanitizer/include/sanitizer/allocator_interface.h
View File

@ -1,7 +1,8 @@
//===-- allocator_interface.h ---------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

305
libsanitizer/include/sanitizer/asan_interface.h
View File

@ -1,11 +1,12 @@
//===-- sanitizer/asan_interface.h ------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer.
// This file is a part of AddressSanitizer (ASan).
//
// Public interface header.
//===----------------------------------------------------------------------===//
@ -17,28 +18,54 @@
#ifdef __cplusplus
extern "C" {
#endif
// Marks memory region [addr, addr+size) as unaddressable.
// This memory must be previously allocated by the user program. Accessing
// addresses in this region from instrumented code is forbidden until
// this region is unpoisoned. This function is not guaranteed to poison
// the whole region - it may poison only subregion of [addr, addr+size) due
// to ASan alignment restrictions.
// Method is NOT thread-safe in the sense that no two threads can
// (un)poison memory in the same memory region simultaneously.
/// Marks a memory region (<c>[addr, addr+size)</c>) as unaddressable.
///
/// This memory must be previously allocated by your program. Instrumented
/// code is forbidden from accessing addresses in this region until it is
/// unpoisoned. This function is not guaranteed to poison the entire region -
/// it could poison only a subregion of <c>[addr, addr+size)</c> due to ASan
/// alignment restrictions.
///
/// \note This function is not thread-safe because no two threads can poison or
/// unpoison memory in the same memory region simultaneously.
///
/// \param addr Start of memory region.
/// \param size Size of memory region.
void __asan_poison_memory_region(void const volatile *addr, size_t size);
// Marks memory region [addr, addr+size) as addressable.
// This memory must be previously allocated by the user program. Accessing
// addresses in this region is allowed until this region is poisoned again.
// This function may unpoison a superregion of [addr, addr+size) due to
// ASan alignment restrictions.
// Method is NOT thread-safe in the sense that no two threads can
// (un)poison memory in the same memory region simultaneously.
/// Marks a memory region (<c>[addr, addr+size)</c>) as addressable.
///
/// This memory must be previously allocated by your program. Accessing
/// addresses in this region is allowed until this region is poisoned again.
/// This function could unpoison a super-region of <c>[addr, addr+size)</c> due
/// to ASan alignment restrictions.
///
/// \note This function is not thread-safe because no two threads can
/// poison or unpoison memory in the same memory region simultaneously.
///
/// \param addr Start of memory region.
/// \param size Size of memory region.
void __asan_unpoison_memory_region(void const volatile *addr, size_t size);
// User code should use macros instead of functions.
// Macros provided for convenience.
#if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
/// Marks a memory region as unaddressable.
///
/// \note Macro provided for convenience; defined as a no-op if ASan is not
/// enabled.
///
/// \param addr Start of memory region.
/// \param size Size of memory region.
#define ASAN_POISON_MEMORY_REGION(addr, size) \
__asan_poison_memory_region((addr), (size))
/// Marks a memory region as addressable.
///
/// \note Macro provided for convenience; defined as a no-op if ASan is not
/// enabled.
///
/// \param addr Start of memory region.
/// \param size Size of memory region.
#define ASAN_UNPOISON_MEMORY_REGION(addr, size) \
__asan_unpoison_memory_region((addr), (size))
#else
@ -48,102 +75,244 @@ extern "C" {
((void)(addr), (void)(size))
#endif
// Returns 1 if addr is poisoned (i.e. 1-byte read/write access to this
// address will result in error report from AddressSanitizer).
// Otherwise returns 0.
/// Checks if an address is poisoned.
///
/// Returns 1 if <c><i>addr</i></c> is poisoned (that is, 1-byte read/write
/// access to this address would result in an error report from ASan).
/// Otherwise returns 0.
///
/// \param addr Address to check.
///
/// \retval 1 Address is poisoned.
/// \retval 0 Address is not poisoned.
int __asan_address_is_poisoned(void const volatile *addr);
// If at least one byte in [beg, beg+size) is poisoned, return the address
// of the first such byte. Otherwise return 0.
/// Checks if a region is poisoned.
///
/// If at least one byte in <c>[beg, beg+size)</c> is poisoned, returns the
/// address of the first such byte. Otherwise returns 0.
///
/// \param beg Start of memory region.
/// \param size Start of memory region.
/// \returns Address of first poisoned byte.
void *__asan_region_is_poisoned(void *beg, size_t size);
// Print the description of addr (useful when debugging in gdb).
/// Describes an address (useful for calling from the debugger).
///
/// Prints the description of <c><i>addr</i></c>.
///
/// \param addr Address to describe.
void __asan_describe_address(void *addr);
// Useful for calling from a debugger to get information about an ASan error.
// Returns 1 if an error has been (or is being) reported, otherwise returns 0.
/// Checks if an error has been or is being reported (useful for calling from
/// the debugger to get information about an ASan error).
///
/// Returns 1 if an error has been (or is being) reported. Otherwise returns 0.
///
/// \returns 1 if an error has been (or is being) reported. Otherwise returns
/// 0.
int __asan_report_present(void);
// Useful for calling from a debugger to get information about an ASan error.
// If an error has been (or is being) reported, the following functions return
// the pc, bp, sp, address, access type (0 = read, 1 = write), access size and
// bug description (e.g. "heap-use-after-free"). Otherwise they return 0.
/// Gets the PC (program counter) register value of an ASan error (useful for
/// calling from the debugger).
///
/// Returns PC if an error has been (or is being) reported.
/// Otherwise returns 0.
///
/// \returns PC value.
void *__asan_get_report_pc(void);
/// Gets the BP (base pointer) register value of an ASan error (useful for
/// calling from the debugger).
///
/// Returns BP if an error has been (or is being) reported.
/// Otherwise returns 0.
///
/// \returns BP value.
void *__asan_get_report_bp(void);
/// Gets the SP (stack pointer) register value of an ASan error (useful for
/// calling from the debugger).
///
/// If an error has been (or is being) reported, returns SP.
/// Otherwise returns 0.
///
/// \returns SP value.
void *__asan_get_report_sp(void);
/// Gets the address of the report buffer of an ASan error (useful for calling
/// from the debugger).
///
/// Returns the address of the report buffer if an error has been (or is being)
/// reported. Otherwise returns 0.
///
/// \returns Address of report buffer.
void *__asan_get_report_address(void);
/// Gets access type of an ASan error (useful for calling from the debugger).
///
/// Returns access type (read or write) if an error has been (or is being)
/// reported. Otherwise returns 0.
///
/// \returns Access type (0 = read, 1 = write).
int __asan_get_report_access_type(void);
/// Gets access size of an ASan error (useful for calling from the debugger).
///
/// Returns access size if an error has been (or is being) reported. Otherwise
/// returns 0.
///
/// \returns Access size in bytes.
size_t __asan_get_report_access_size(void);
/// Gets the bug description of an ASan error (useful for calling from a
/// debugger).
///
/// \returns Returns a bug description if an error has been (or is being)
/// reported - for example, "heap-use-after-free". Otherwise returns an empty
/// string.
const char *__asan_get_report_description(void);
// Useful for calling from the debugger to get information about a pointer.
// Returns the category of the given pointer as a constant string.
// Possible return values are "global", "stack", "stack-fake", "heap",
// "heap-invalid", "shadow-low", "shadow-gap", "shadow-high", "unknown".
// If global or stack, tries to also return the variable name, address and
// size. If heap, tries to return the chunk address and size. 'name' should
// point to an allocated buffer of size 'name_size'.
/// Gets information about a pointer (useful for calling from the debugger).
///
/// Returns the category of the given pointer as a constant string.
/// Possible return values are <c>global</c>, <c>stack</c>, <c>stack-fake</c>,
/// <c>heap</c>, <c>heap-invalid</c>, <c>shadow-low</c>, <c>shadow-gap</c>,
/// <c>shadow-high</c>, and <c>unknown</c>.
///
/// If the return value is <c>global</c> or <c>stack</c>, tries to also return
/// the variable name, address, and size. If the return value is <c>heap</c>,
/// tries to return the chunk address and size. <c><i>name</i></c> should point
/// to an allocated buffer of size <c><i>name_size</i></c>.
///
/// \param addr Address to locate.
/// \param name Buffer to store the variable's name.
/// \param name_size Size in bytes of the variable's name buffer.
/// \param region_address [out] Address of the region.
/// \param region_size [out] Size of the region in bytes.
///
/// \returns Returns the category of the given pointer as a constant string.
const char *__asan_locate_address(void *addr, char *name, size_t name_size,
void **region_address, size_t *region_size);
// Useful for calling from the debugger to get the allocation stack trace
// and thread ID for a heap address. Stores up to 'size' frames into 'trace',
// returns the number of stored frames or 0 on error.
/// Gets the allocation stack trace and thread ID for a heap address (useful
/// for calling from the debugger).
///
/// Stores up to <c><i>size</i></c> frames in <c><i>trace</i></c>. Returns
/// the number of stored frames or 0 on error.
///
/// \param addr A heap address.
/// \param trace A buffer to store the stack trace.
/// \param size Size in bytes of the trace buffer.
/// \param thread_id [out] The thread ID of the address.
///
/// \returns Returns the number of stored frames or 0 on error.
size_t __asan_get_alloc_stack(void *addr, void **trace, size_t size,
int *thread_id);
// Useful for calling from the debugger to get the free stack trace
// and thread ID for a heap address. Stores up to 'size' frames into 'trace',
// returns the number of stored frames or 0 on error.
/// Gets the free stack trace and thread ID for a heap address (useful for
/// calling from the debugger).
///
/// Stores up to <c><i>size</i></c> frames in <c><i>trace</i></c>. Returns
/// the number of stored frames or 0 on error.
///
/// \param addr A heap address.
/// \param trace A buffer to store the stack trace.
/// \param size Size in bytes of the trace buffer.
/// \param thread_id [out] The thread ID of the address.
///
/// \returns Returns the number of stored frames or 0 on error.
size_t __asan_get_free_stack(void *addr, void **trace, size_t size,
int *thread_id);
// Useful for calling from the debugger to get the current shadow memory
// mapping.
/// Gets the current shadow memory mapping (useful for calling from the
/// debugger).
///
/// \param shadow_scale [out] Shadow scale value.
/// \param shadow_offset [out] Offset value.
void __asan_get_shadow_mapping(size_t *shadow_scale, size_t *shadow_offset);
// This is an internal function that is called to report an error.
// However it is still a part of the interface because users may want to
// set a breakpoint on this function in a debugger.
/// This is an internal function that is called to report an error. However,
/// it is still a part of the interface because you might want to set a
/// breakpoint on this function in the debugger.
///
/// \param pc <c><i>pc</i></c> value of the ASan error.
/// \param bp <c><i>bp</i></c> value of the ASan error.
/// \param sp <c><i>sp</i></c> value of the ASan error.
/// \param addr Address of the ASan error.
/// \param is_write True if the error is a write error; false otherwise.
/// \param access_size Size of the memory access of the ASan error.
void __asan_report_error(void *pc, void *bp, void *sp,
void *addr, int is_write, size_t access_size);
// Deprecated. Call __sanitizer_set_death_callback instead.
void __asan_set_death_callback(void (*callback)(void));
/// Sets the callback function to be called during ASan error reporting.
///
/// The callback provides a string pointer to the report.
///
/// \param callback User-provided function.
void __asan_set_error_report_callback(void (*callback)(const char *));
// User may provide function that would be called right when ASan detects
// an error. This can be used to notice cases when ASan detects an error, but
// the program crashes before ASan report is printed.
/// User-provided callback on ASan errors.
///
/// You can provide a function that would be called immediately when ASan
/// detects an error. This is useful in cases when ASan detects an error but
/// your program crashes before the ASan report is printed.
void __asan_on_error(void);
// Prints accumulated stats to stderr. Used for debugging.
/// Prints accumulated statistics to <c>stderr</c> (useful for calling from the
/// debugger).
void __asan_print_accumulated_stats(void);
// This function may be optionally provided by user and should return
// a string containing ASan runtime options. See asan_flags.h for details.
/// User-provided default option settings.
///
/// You can provide your own implementation of this function to return a string
/// containing ASan runtime options (for example,
/// <c>verbosity=1:halt_on_error=0</c>).
///
/// \returns Default options string.
const char* __asan_default_options(void);
// The following 2 functions facilitate garbage collection in presence of
// asan's fake stack.
// The following two functions facilitate garbage collection in presence of
// ASan's fake stack.
// Returns an opaque handler to be used later in __asan_addr_is_in_fake_stack.
// Returns NULL if the current thread does not have a fake stack.
/// Gets an opaque handler to the current thread's fake stack.
///
/// Returns an opaque handler to be used by
/// <c>__asan_addr_is_in_fake_stack()</c>. Returns NULL if the current thread
/// does not have a fake stack.
///
/// \returns An opaque handler to the fake stack or NULL.
void *__asan_get_current_fake_stack(void);
// If fake_stack is non-NULL and addr belongs to a fake frame in
// fake_stack, returns the address on real stack that corresponds to
// the fake frame and sets beg/end to the boundaries of this fake frame.
// Otherwise returns NULL and does not touch beg/end.
// If beg/end are NULL, they are not touched.
// This function may be called from a thread other than the owner of
// fake_stack, but the owner thread need to be alive.
/// Checks if an address belongs to a given fake stack.
///
/// If <c><i>fake_stack</i></c> is non-NULL and <c><i>addr</i></c> belongs to a
/// fake frame in <c><i>fake_stack</i></c>, returns the address of the real
/// stack that corresponds to the fake frame and sets <c><i>beg</i></c> and
/// <c><i>end</i></c> to the boundaries of this fake frame. Otherwise returns
/// NULL and does not touch <c><i>beg</i></c> and <c><i>end</i></c>.
///
/// If <c><i>beg</i></c> or <c><i>end</i></c> are NULL, they are not touched.
///
/// \note This function can be called from a thread other than the owner of
/// <c><i>fake_stack</i></c>, but the owner thread needs to be alive.
///
/// \param fake_stack An opaque handler to a fake stack.
/// \param addr Address to test.
/// \param beg [out] Beginning of fake frame.
/// \param end [out] End of fake frame.
/// \returns Stack address or NULL.
void *__asan_addr_is_in_fake_stack(void *fake_stack, void *addr, void **beg,
void **end);
// Performs cleanup before a [[noreturn]] function. Must be called
// before things like _exit and execl to avoid false positives on stack.
/// Performs shadow memory cleanup of the current thread's stack before a
/// function marked with the <c>[[noreturn]]</c> attribute is called.
///
/// To avoid false positives on the stack, must be called before no-return
/// functions like <c>_exit()</c> and <c>execl()</c>.
void __asan_handle_no_return(void);
#ifdef __cplusplus

293
libsanitizer/include/sanitizer/common_interface_defs.h
View File

@ -1,7 +1,8 @@
//===-- sanitizer/common_interface_defs.h -----------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -53,14 +54,47 @@ extern "C" {
// the error message. This function can be overridden by the client.
void __sanitizer_report_error_summary(const char *error_summary);
// Some of the sanitizers (e.g. asan/tsan) may miss bugs that happen
// in unaligned loads/stores. In order to find such bugs reliably one needs
// to replace plain unaligned loads/stores with these calls.
// Some of the sanitizers (for example ASan/TSan) could miss bugs that happen
// in unaligned loads/stores. To find such bugs reliably, you need to replace
// plain unaligned loads/stores with these calls.
/// Loads a 16-bit unaligned value.
///
/// \param p Pointer to unaligned memory.
///
/// \returns Loaded value.
uint16_t __sanitizer_unaligned_load16(const void *p);
/// Loads a 32-bit unaligned value.
///
/// \param p Pointer to unaligned memory.
///
/// \returns Loaded value.
uint32_t __sanitizer_unaligned_load32(const void *p);
/// Loads a 64-bit unaligned value.
///
/// \param p Pointer to unaligned memory.
///
/// \returns Loaded value.
uint64_t __sanitizer_unaligned_load64(const void *p);
/// Stores a 16-bit unaligned value.
///
/// \param p Pointer to unaligned memory.
/// \param x 16-bit value to store.
void __sanitizer_unaligned_store16(void *p, uint16_t x);
/// Stores a 32-bit unaligned value.
///
/// \param p Pointer to unaligned memory.
/// \param x 32-bit value to store.
void __sanitizer_unaligned_store32(void *p, uint32_t x);
/// Stores a 64-bit unaligned value.
///
/// \param p Pointer to unaligned memory.
/// \param x 64-bit value to store.
void __sanitizer_unaligned_store64(void *p, uint64_t x);
// Returns 1 on the first call, then returns 0 thereafter. Called by the tool
@ -68,56 +102,95 @@ extern "C" {
// simultaneously.
int __sanitizer_acquire_crash_state();
// Annotate the current state of a contiguous container, such as
// std::vector, std::string or similar.
// A contiguous container is a container that keeps all of its elements
// in a contiguous region of memory. The container owns the region of memory
// [beg, end); the memory [beg, mid) is used to store the current elements
// and the memory [mid, end) is reserved for future elements;
// beg <= mid <= end. For example, in "std::vector<> v"
// beg = &v[0];
// end = beg + v.capacity() * sizeof(v[0]);
// mid = beg + v.size() * sizeof(v[0]);
//
// This annotation tells the Sanitizer tool about the current state of the
// container so that the tool can report errors when memory from [mid, end)
// is accessed. Insert this annotation into methods like push_back/pop_back.
// Supply the old and the new values of mid (old_mid/new_mid).
// In the initial state mid == end and so should be the final
// state when the container is destroyed or when it reallocates the storage.
//
// Use with caution and don't use for anything other than vector-like classes.
//
// For AddressSanitizer, 'beg' should be 8-aligned and 'end' should
// be either 8-aligned or it should point to the end of a separate heap-,
// stack-, or global- allocated buffer. I.e. the following will not work:
// int64_t x[2]; // 16 bytes, 8-aligned.
// char *beg = (char *)&x[0];
// char *end = beg + 12; // Not 8 aligned, not the end of the buffer.
// This however will work fine:
// int32_t x[3]; // 12 bytes, but 8-aligned under AddressSanitizer.
// char *beg = (char*)&x[0];
// char *end = beg + 12; // Not 8-aligned, but is the end of the buffer.
/// Annotates the current state of a contiguous container, such as
/// <c>std::vector</c>, <c>std::string</c>, or similar.
///
/// A contiguous container is a container that keeps all of its elements
/// in a contiguous region of memory. The container owns the region of memory
/// <c>[beg, end)</c>; the memory <c>[beg, mid)</c> is used to store the
/// current elements, and the memory <c>[mid, end)</c> is reserved for future
/// elements (<c>beg <= mid <= end</c>). For example, in
/// <c>std::vector<> v</c>:
///
/// \code
/// beg = &v[0];
/// end = beg + v.capacity() * sizeof(v[0]);
/// mid = beg + v.size() * sizeof(v[0]);
/// \endcode
///
/// This annotation tells the Sanitizer tool about the current state of the
/// container so that the tool can report errors when memory from
/// <c>[mid, end)</c> is accessed. Insert this annotation into methods like
/// <c>push_back()</c> or <c>pop_back()</c>. Supply the old and new values of
/// <c>mid</c>(<c><i>old_mid</i></c> and <c><i>new_mid</i></c>). In the initial
/// state <c>mid == end</c>, so that should be the final state when the
/// container is destroyed or when the container reallocates the storage.
///
/// For ASan, <c><i>beg</i></c> should be 8-aligned and <c><i>end</i></c>
/// should be either 8-aligned or it should point to the end of a separate
/// heap-, stack-, or global-allocated buffer. So the following example will
/// not work:
///
/// \code
/// int64_t x[2]; // 16 bytes, 8-aligned
/// char *beg = (char *)&x[0];
/// char *end = beg + 12; // Not 8-aligned, not the end of the buffer
/// \endcode
///
/// The following, however, will work:
/// \code
/// int32_t x[3]; // 12 bytes, but 8-aligned under ASan.
/// char *beg = (char*)&x[0];
/// char *end = beg + 12; // Not 8-aligned, but is the end of the buffer
/// \endcode
///
/// \note Use this function with caution and do not use for anything other
/// than vector-like classes.
///
/// \param beg Beginning of memory region.
/// \param end End of memory region.
/// \param old_mid Old middle of memory region.
/// \param new_mid New middle of memory region.
void __sanitizer_annotate_contiguous_container(const void *beg,
const void *end,
const void *old_mid,
const void *new_mid);
// Returns true if the contiguous container [beg, end) is properly poisoned
// (e.g. with __sanitizer_annotate_contiguous_container), i.e. if
// - [beg, mid) is addressable,
// - [mid, end) is unaddressable.
// Full verification requires O(end-beg) time; this function tries to avoid
// such complexity by touching only parts of the container around beg/mid/end.
/// Returns true if the contiguous container <c>[beg, end)</c> is properly
/// poisoned.
///
/// Proper poisoning could occur, for example, with
/// <c>__sanitizer_annotate_contiguous_container</c>), that is, if
/// <c>[beg, mid)</c> is addressable and <c>[mid, end)</c> is unaddressable.
/// Full verification requires O (<c>end - beg</c>) time; this function tries
/// to avoid such complexity by touching only parts of the container around
/// <c><i>beg</i></c>, <c><i>mid</i></c>, and <c><i>end</i></c>.
///
/// \param beg Beginning of memory region.
/// \param mid Middle of memory region.
/// \param end Old end of memory region.
///
/// \returns True if the contiguous container <c>[beg, end)</c> is properly
/// poisoned.
int __sanitizer_verify_contiguous_container(const void *beg, const void *mid,
const void *end);
// Similar to __sanitizer_verify_contiguous_container but returns the address
// of the first improperly poisoned byte otherwise. Returns null if the area
// is poisoned properly.
const void *__sanitizer_contiguous_container_find_bad_address(
const void *beg, const void *mid, const void *end);
/// Similar to <c>__sanitizer_verify_contiguous_container()</c> but also
/// returns the address of the first improperly poisoned byte.
///
/// Returns NULL if the area is poisoned properly.
///
/// \param beg Beginning of memory region.
/// \param mid Middle of memory region.
/// \param end Old end of memory region.
///
/// \returns The bad address or NULL.
const void *__sanitizer_contiguous_container_find_bad_address(const void *beg,
const void *mid,
const void *end);
// Print the stack trace leading to this call. Useful for debugging user code.
/// Prints the stack trace leading to this call (useful for calling from the
/// debugger).
void __sanitizer_print_stack_trace(void);
// Symbolizes the supplied 'pc' using the format string 'fmt'.
@ -136,60 +209,134 @@ extern "C" {
void __sanitizer_symbolize_global(void *data_ptr, const char *fmt,
char *out_buf, size_t out_buf_size);
// Sets the callback to be called right before death on error.
// Passing 0 will unset the callback.
/// Sets the callback to be called immediately before death on error.
///
/// Passing 0 will unset the callback.
///
/// \param callback User-provided callback.
void __sanitizer_set_death_callback(void (*callback)(void));
// Interceptor hooks.
// Whenever a libc function interceptor is called it checks if the
// corresponding weak hook is defined, and it so -- calls it.
// The primary use case is data-flow-guided fuzzing, where the fuzzer needs
// to know what is being passed to libc functions, e.g. memcmp.
// Whenever a libc function interceptor is called, it checks if the
// corresponding weak hook is defined, and calls it if it is indeed defined.
// The primary use-case is data-flow-guided fuzzing, where the fuzzer needs
// to know what is being passed to libc functions (for example memcmp).
// FIXME: implement more hooks.
/// Interceptor hook for <c>memcmp()</c>.
///
/// \param called_pc PC (program counter) address of the original call.
/// \param s1 Pointer to block of memory.
/// \param s2 Pointer to block of memory.
/// \param n Number of bytes to compare.
/// \param result Value returned by the intercepted function.
void __sanitizer_weak_hook_memcmp(void *called_pc, const void *s1,
const void *s2, size_t n, int result);
/// Interceptor hook for <c>strncmp()</c>.
///
/// \param called_pc PC (program counter) address of the original call.
/// \param s1 Pointer to block of memory.
/// \param s2 Pointer to block of memory.
/// \param n Number of bytes to compare.
/// \param result Value returned by the intercepted function.
void __sanitizer_weak_hook_strncmp(void *called_pc, const char *s1,
const char *s2, size_t n, int result);
/// Interceptor hook for <c>strncasecmp()</c>.
///
/// \param called_pc PC (program counter) address of the original call.
/// \param s1 Pointer to block of memory.
/// \param s2 Pointer to block of memory.
/// \param n Number of bytes to compare.
/// \param result Value returned by the intercepted function.
void __sanitizer_weak_hook_strncasecmp(void *called_pc, const char *s1,
const char *s2, size_t n, int result);
/// Interceptor hook for <c>strcmp()</c>.
///
/// \param called_pc PC (program counter) address of the original call.
/// \param s1 Pointer to block of memory.
/// \param s2 Pointer to block of memory.
/// \param result Value returned by the intercepted function.
void __sanitizer_weak_hook_strcmp(void *called_pc, const char *s1,
const char *s2, int result);
/// Interceptor hook for <c>strcasecmp()</c>.
///
/// \param called_pc PC (program counter) address of the original call.
/// \param s1 Pointer to block of memory.
/// \param s2 Pointer to block of memory.
/// \param result Value returned by the intercepted function.
void __sanitizer_weak_hook_strcasecmp(void *called_pc, const char *s1,
const char *s2, int result);
/// Interceptor hook for <c>strstr()</c>.
///
/// \param called_pc PC (program counter) address of the original call.
/// \param s1 Pointer to block of memory.
/// \param s2 Pointer to block of memory.
/// \param result Value returned by the intercepted function.
void __sanitizer_weak_hook_strstr(void *called_pc, const char *s1,
const char *s2, char *result);
void __sanitizer_weak_hook_strcasestr(void *called_pc, const char *s1,
const char *s2, char *result);
void __sanitizer_weak_hook_memmem(void *called_pc,
const void *s1, size_t len1,
const void *s2, size_t len2, void *result);
// Prints stack traces for all live heap allocations ordered by total
// allocation size until `top_percent` of total live heap is shown.
// `top_percent` should be between 1 and 100.
// At most `max_number_of_contexts` contexts (stack traces) is printed.
// Experimental feature currently available only with asan on Linux/x86_64.
// allocation size until top_percent of total live heap is shown. top_percent
// should be between 1 and 100. At most max_number_of_contexts contexts
// (stack traces) are printed.
// Experimental feature currently available only with ASan on Linux/x86_64.
void __sanitizer_print_memory_profile(size_t top_percent,
size_t max_number_of_contexts);
// Fiber annotation interface.
// Before switching to a different stack, one must call
// __sanitizer_start_switch_fiber with a pointer to the bottom of the
// destination stack and its size. When code starts running on the new stack,
// it must call __sanitizer_finish_switch_fiber to finalize the switch.
// The start_switch function takes a void** to store the current fake stack if
// there is one (it is needed when detect_stack_use_after_return is enabled).
// When restoring a stack, this pointer must be given to the finish_switch
// function. In most cases, this void* can be stored on the stack just before
// switching. When leaving a fiber definitely, null must be passed as first
// argument to the start_switch function so that the fake stack is destroyed.
// If you do not want support for stack use-after-return detection, you can
// always pass null to these two functions.
// Note that the fake stack mechanism is disabled during fiber switch, so if a
// signal callback runs during the switch, it will not benefit from the stack
// use-after-return detection.
/// Notify ASan that a fiber switch has started (required only if implementing
/// your own fiber library).
///
/// Before switching to a different stack, you must call
/// <c>__sanitizer_start_switch_fiber()</c> with a pointer to the bottom of the
/// destination stack and with its size. When code starts running on the new
/// stack, it must call <c>__sanitizer_finish_switch_fiber()</c> to finalize
/// the switch. The <c>__sanitizer_start_switch_fiber()</c> function takes a
/// <c>void**</c> pointer argument to store the current fake stack if there is
/// one (it is necessary when the runtime option
/// <c>detect_stack_use_after_return</c> is enabled).
///
/// When restoring a stack, this <c>void**</c> pointer must be given to the
/// <c>__sanitizer_finish_switch_fiber()</c> function. In most cases, this
/// pointer can be stored on the stack immediately before switching. When
/// leaving a fiber definitely, NULL must be passed as the first argument to
/// the <c>__sanitizer_start_switch_fiber()</c> function so that the fake stack
/// is destroyed. If your program does not need stack use-after-return
/// detection, you can always pass NULL to these two functions.
///
/// \note The fake stack mechanism is disabled during fiber switch, so if a
/// signal callback runs during the switch, it will not benefit from stack
/// use-after-return detection.
///
/// \param fake_stack_save [out] Fake stack save location.
/// \param bottom Bottom address of stack.
/// \param size Size of stack in bytes.
void __sanitizer_start_switch_fiber(void **fake_stack_save,
const void *bottom, size_t size);
/// Notify ASan that a fiber switch has completed (required only if
/// implementing your own fiber library).
///
/// When code starts running on the new stack, it must call
/// <c>__sanitizer_finish_switch_fiber()</c> to finalize
/// the switch. For usage details, see the description of
/// <c>__sanitizer_start_switch_fiber()</c>.
///
/// \param fake_stack_save Fake stack save location.
/// \param bottom_old [out] Bottom address of old stack.
/// \param size_old [out] Size of old stack in bytes.
void __sanitizer_finish_switch_fiber(void *fake_stack_save,
const void **bottom_old,
size_t *size_old);

5
libsanitizer/include/sanitizer/coverage_interface.h
View File

@ -1,7 +1,8 @@
//===-- sanitizer/coverage_interface.h --------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

11
libsanitizer/include/sanitizer/dfsan_interface.h
View File

@ -1,7 +1,8 @@
//===-- dfsan_interface.h -------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -78,6 +79,12 @@ dfsan_label dfsan_has_label_with_desc(dfsan_label label, const char *desc);
/// Returns the number of labels allocated.
size_t dfsan_get_label_count(void);
/// Flushes the DFSan shadow, i.e. forgets about all labels currently associated
/// with the application memory. Will work only if there are no other
/// threads executing DFSan-instrumented code concurrently.
/// Use this call to start over the taint tracking within the same procces.
void dfsan_flush(void);
/// Sets a callback to be invoked on calls to write(). The callback is invoked
/// before the write is done. The write is not guaranteed to succeed when the
/// callback executes. Pass in NULL to remove any callback.

48
libsanitizer/include/sanitizer/esan_interface.h
View File

@ -1,48 +0,0 @@
//===-- sanitizer/esan_interface.h ------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of EfficiencySanitizer, a family of performance tuners.
//
// Public interface header.
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_ESAN_INTERFACE_H
#define SANITIZER_ESAN_INTERFACE_H
#include <sanitizer/common_interface_defs.h>
// We declare our interface routines as weak to allow the user to avoid
// ifdefs and instead use this pattern to allow building the same sources
// with and without our runtime library:
// if (__esan_report)
// __esan_report();
#ifdef _MSC_VER
/* selectany is as close to weak as we'll get. */
#define COMPILER_RT_WEAK __declspec(selectany)
#elif __GNUC__
#define COMPILER_RT_WEAK __attribute__((weak))
#else
#define COMPILER_RT_WEAK
#endif
#ifdef __cplusplus
extern "C" {
#endif
// This function can be called mid-run (or at the end of a run for
// a server process that doesn't shut down normally) to request that
// data for that point in the run be reported from the tool.
void COMPILER_RT_WEAK __esan_report(void);
// This function returns the number of samples that the esan tool has collected
// to this point. This is useful for testing.
unsigned int COMPILER_RT_WEAK __esan_get_sample_count(void);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // SANITIZER_ESAN_INTERFACE_H

26
libsanitizer/include/sanitizer/hwasan_interface.h
View File

@ -1,7 +1,8 @@
//===-- sanitizer/asan_interface.h ------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -17,11 +18,15 @@
#ifdef __cplusplus
extern "C" {
#endif
// Initialize shadow but not the rest of the runtime.
// Libc hook for program startup in statically linked executables.
// Initializes enough of the runtime to run instrumented code. This function
// should only be called in statically linked executables because it modifies
// the GOT, which won't work in regular binaries because RELRO will already
// have been applied by the time the function is called. This also means that
// the function should be called before libc applies RELRO.
// Does not call libc unless there is an error.
// Can be called multiple times, or not at all (in which case shadow will
// be initialized in compiler-inserted __hwasan_init() call).
void __hwasan_shadow_init(void);
// Can be called multiple times.
void __hwasan_init_static(void);
// This function may be optionally provided by user and should return
// a string containing HWASan runtime options. See asan_flags.h for details.
@ -45,6 +50,10 @@ extern "C" {
// does would cause false reports.
void __hwasan_handle_longjmp(const void *sp_dst);
// Set memory tag for the part of the current thread stack below sp_dst to
// zero. Call this in vfork() before returning in the parent process.
void __hwasan_handle_vfork(const void *sp_dst);
// Libc hook for thread creation. Should be called in the child thread before
// any instrumented code.
void __hwasan_thread_enter();
@ -60,6 +69,10 @@ extern "C" {
// Print one-line report about the memory usage of the current process.
void __hwasan_print_memory_usage();
/* Returns the offset of the first byte in the memory range that can not be
* accessed through the pointer in x, or -1 if the whole range is good. */
intptr_t __hwasan_test_shadow(const volatile void *x, size_t size);
int __sanitizer_posix_memalign(void **memptr, size_t alignment, size_t size);
void * __sanitizer_memalign(size_t alignment, size_t size);
void * __sanitizer_aligned_alloc(size_t alignment, size_t size);
@ -74,6 +87,7 @@ extern "C" {
void __sanitizer_malloc_stats(void);
void * __sanitizer_calloc(size_t nmemb, size_t size);
void * __sanitizer_realloc(void *ptr, size_t size);
void * __sanitizer_reallocarray(void *ptr, size_t nmemb, size_t size);
void * __sanitizer_malloc(size_t size);
#ifdef __cplusplus
} // extern "C"

5
libsanitizer/include/sanitizer/linux_syscall_hooks.h
View File

@ -1,7 +1,8 @@
//===-- linux_syscall_hooks.h ---------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

5
libsanitizer/include/sanitizer/lsan_interface.h
View File

@ -1,7 +1,8 @@
//===-- sanitizer/lsan_interface.h ------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

8
libsanitizer/include/sanitizer/msan_interface.h
View File

@ -1,7 +1,8 @@
//===-- msan_interface.h --------------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -41,6 +42,9 @@ extern "C" {
contents). */
void __msan_unpoison_string(const volatile char *a);
/* Make first n parameters of the next function call fully initialized. */
void __msan_unpoison_param(size_t n);
/* Make memory region fully uninitialized (without changing its contents).
This is a legacy interface that does not update origin information. Use
__msan_allocated_memory() instead. */

51
libsanitizer/include/sanitizer/netbsd_syscall_hooks.h
View File

@ -1,7 +1,8 @@
//===-- netbsd_syscall_hooks.h --------------------------------------------===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -19,8 +20,8 @@
// DO NOT EDIT! THIS FILE HAS BEEN GENERATED!
//
// Generated with: generate_netbsd_syscalls.awk
// Generated date: 2018-03-03
// Generated from: syscalls.master,v 1.291 2018/01/06 16:41:23 kamil Exp
// Generated date: 2018-10-30
// Generated from: syscalls.master,v 1.293 2018/07/31 13:00:13 rjs Exp
//
//===----------------------------------------------------------------------===//
#ifndef SANITIZER_NETBSD_SYSCALL_HOOKS_H
@ -984,7 +985,15 @@
#define __sanitizer_syscall_post_fpathconf(res, fd, name) \
__sanitizer_syscall_post_impl_fpathconf(res, (long long)(fd), \
(long long)(name))
/* syscall 193 has been skipped */
#define __sanitizer_syscall_pre_getsockopt2(s, level, name, val, avalsize) \
__sanitizer_syscall_pre_impl_getsockopt2( \
(long long)(s), (long long)(level), (long long)(name), (long long)(val), \
(long long)(avalsize))
#define __sanitizer_syscall_post_getsockopt2(res, s, level, name, val, \
avalsize) \
__sanitizer_syscall_post_impl_getsockopt2( \
res, (long long)(s), (long long)(level), (long long)(name), \
(long long)(val), (long long)(avalsize))
#define __sanitizer_syscall_pre_getrlimit(which, rlp) \
__sanitizer_syscall_pre_impl_getrlimit((long long)(which), (long long)(rlp))
#define __sanitizer_syscall_post_getrlimit(res, which, rlp) \
@ -1750,18 +1759,8 @@
__sanitizer_syscall_post_impl___sigaction_sigtramp( \
res, (long long)(signum), (long long)(nsa), (long long)(osa), \
(long long)(tramp), (long long)(vers))
#define __sanitizer_syscall_pre_pmc_get_info(ctr, op, args) \
__sanitizer_syscall_pre_impl_pmc_get_info((long long)(ctr), (long long)(op), \
(long long)(args))
#define __sanitizer_syscall_post_pmc_get_info(res, ctr, op, args) \
__sanitizer_syscall_post_impl_pmc_get_info( \
res, (long long)(ctr), (long long)(op), (long long)(args))
#define __sanitizer_syscall_pre_pmc_control(ctr, op, args) \
__sanitizer_syscall_pre_impl_pmc_control((long long)(ctr), (long long)(op), \
(long long)(args))
#define __sanitizer_syscall_post_pmc_control(res, ctr, op, args) \
__sanitizer_syscall_post_impl_pmc_control( \
res, (long long)(ctr), (long long)(op), (long long)(args))
/* syscall 341 has been skipped */
/* syscall 342 has been skipped */
#define __sanitizer_syscall_pre_rasctl(addr, len, op) \
__sanitizer_syscall_pre_impl_rasctl((long long)(addr), (long long)(len), \
(long long)(op))
@ -3442,7 +3441,13 @@ void __sanitizer_syscall_post_impl_pathconf(long long res, long long path,
void __sanitizer_syscall_pre_impl_fpathconf(long long fd, long long name);
void __sanitizer_syscall_post_impl_fpathconf(long long res, long long fd,
long long name);
/* syscall 193 has been skipped */
void __sanitizer_syscall_pre_impl_getsockopt2(long long s, long long level,
long long name, long long val,
long long avalsize);
void __sanitizer_syscall_post_impl_getsockopt2(long long res, long long s,
long long level, long long name,
long long val,
long long avalsize);
void __sanitizer_syscall_pre_impl_getrlimit(long long which, long long rlp);
void __sanitizer_syscall_post_impl_getrlimit(long long res, long long which,
long long rlp);
@ -3999,14 +4004,8 @@ void __sanitizer_syscall_pre_impl___sigaction_sigtramp(long long signum,
void __sanitizer_syscall_post_impl___sigaction_sigtramp(
long long res, long long signum, long long nsa, long long osa,
long long tramp, long long vers);
void __sanitizer_syscall_pre_impl_pmc_get_info(long long ctr, long long op,
long long args);
void __sanitizer_syscall_post_impl_pmc_get_info(long long res, long long ctr,
long long op, long long args);
void __sanitizer_syscall_pre_impl_pmc_control(long long ctr, long long op,
long long args);
void __sanitizer_syscall_post_impl_pmc_control(long long res, long long ctr,
long long op, long long args);
/* syscall 341 has been skipped */
/* syscall 342 has been skipped */
void __sanitizer_syscall_pre_impl_rasctl(long long addr, long long len,
long long op);
void __sanitizer_syscall_post_impl_rasctl(long long res, long long addr,

5
libsanitizer/include/sanitizer/scudo_interface.h
View File

@ -1,7 +1,8 @@
//===-- sanitizer/scudo_interface.h -----------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

23
libsanitizer/include/sanitizer/tsan_interface.h
View File

@ -1,7 +1,8 @@
//===-- tsan_interface.h ----------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -135,6 +136,24 @@ void __tsan_external_assign_tag(void *addr, void *tag);
void __tsan_external_read(void *addr, void *caller_pc, void *tag);
void __tsan_external_write(void *addr, void *caller_pc, void *tag);
// Fiber switching API.
// - TSAN context for fiber can be created by __tsan_create_fiber
// and freed by __tsan_destroy_fiber.
// - TSAN context of current fiber or thread can be obtained
// by calling __tsan_get_current_fiber.
// - __tsan_switch_to_fiber should be called immediatly before switch
// to fiber, such as call of swapcontext.
// - Fiber name can be set by __tsan_set_fiber_name.
void *__tsan_get_current_fiber(void);
void *__tsan_create_fiber(unsigned flags);
void __tsan_destroy_fiber(void *fiber);
void __tsan_switch_to_fiber(void *fiber, unsigned flags);
void __tsan_set_fiber_name(void *fiber, const char *name);
// Flags for __tsan_switch_to_fiber:
// Do not establish a happens-before relation between fibers
const unsigned __tsan_switch_to_fiber_no_sync = 1 << 0;
#ifdef __cplusplus
} // extern "C"
#endif

7
libsanitizer/include/sanitizer/tsan_interface_atomic.h
View File

@ -1,7 +1,8 @@
//===-- tsan_interface_atomic.h ---------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -29,7 +30,7 @@ __extension__ typedef __int128 __tsan_atomic128;
#endif
// Part of ABI, do not change.
// http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/atomic?view=markup
// https://github.com/llvm/llvm-project/blob/master/libcxx/include/atomic
typedef enum {
__tsan_memory_order_relaxed,
__tsan_memory_order_consume,

8
libsanitizer/interception/Makefile.am
View File

@ -13,10 +13,10 @@ ACLOCAL_AMFLAGS = -I m4
noinst_LTLIBRARIES = libinterception.la
interception_files = \
interception_linux.cc \
interception_mac.cc \
interception_win.cc \
interception_type_test.cc
interception_linux.cpp \
interception_mac.cpp \
interception_win.cpp \
interception_type_test.cpp
libinterception_la_SOURCES = $(interception_files)

80
libsanitizer/interception/Makefile.in
View File

@ -1,7 +1,7 @@
# Makefile.in generated by automake 1.15.1 from Makefile.am.
# Makefile.in generated by automake 1.16.1 from Makefile.am.
# @configure_input@
# Copyright (C) 1994-2017 Free Software Foundation, Inc.
# Copyright (C) 1994-2018 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -134,7 +134,11 @@ am__v_at_0 = @
am__v_at_1 =
DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
depcomp = $(SHELL) $(top_srcdir)/../depcomp
am__depfiles_maybe = depfiles
am__maybe_remake_depfiles = depfiles
am__depfiles_remade = ./$(DEPDIR)/interception_linux.Plo \
./$(DEPDIR)/interception_mac.Plo \
./$(DEPDIR)/interception_type_test.Plo \
./$(DEPDIR)/interception_win.Plo
am__mv = mv -f
CXXCOMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
@ -340,10 +344,10 @@ AM_CXXFLAGS = -Wall -W -Wno-unused-parameter -Wwrite-strings -pedantic \
ACLOCAL_AMFLAGS = -I m4
noinst_LTLIBRARIES = libinterception.la
interception_files = \
interception_linux.cc \
interception_mac.cc \
interception_win.cc \
interception_type_test.cc
interception_linux.cpp \
interception_mac.cpp \
interception_win.cpp \
interception_type_test.cpp
libinterception_la_SOURCES = $(interception_files)
@ -389,7 +393,7 @@ MAKEOVERRIDES =
all: all-am
.SUFFIXES:
.SUFFIXES: .cc .lo .o .obj
.SUFFIXES: .cpp .lo .o .obj
$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
@for dep in $?; do \
case '$(am__configure_deps)' in \
@ -407,8 +411,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
*config.status*) \
cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
*) \
echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
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 $(CONFIG_STATUS_DEPENDENCIES)
@ -440,26 +444,32 @@ mostlyclean-compile:
distclean-compile:
-rm -f *.tab.c
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/interception_linux.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/interception_mac.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/interception_type_test.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/interception_win.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/interception_linux.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/interception_mac.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/interception_type_test.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/interception_win.Plo@am__quote@ # am--include-marker
.cc.o:
$(am__depfiles_remade):
@$(MKDIR_P) $(@D)
@echo '# dummy' >$@-t && $(am__mv) $@-t $@
am--depfiles: $(am__depfiles_remade)
.cpp.o:
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ $<
.cc.obj:
.cpp.obj:
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXXCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
.cc.lo:
.cpp.lo:
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(LTCXXCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
@ -563,7 +573,10 @@ clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
mostlyclean-am
distclean: distclean-am
-rm -rf ./$(DEPDIR)
-rm -f ./$(DEPDIR)/interception_linux.Plo
-rm -f ./$(DEPDIR)/interception_mac.Plo
-rm -f ./$(DEPDIR)/interception_type_test.Plo
-rm -f ./$(DEPDIR)/interception_win.Plo
-rm -f Makefile
distclean-am: clean-am distclean-compile distclean-generic \
distclean-tags
@ -609,7 +622,10 @@ install-ps-am:
installcheck-am:
maintainer-clean: maintainer-clean-am
-rm -rf ./$(DEPDIR)
-rm -f ./$(DEPDIR)/interception_linux.Plo
-rm -f ./$(DEPDIR)/interception_mac.Plo
-rm -f ./$(DEPDIR)/interception_type_test.Plo
-rm -f ./$(DEPDIR)/interception_win.Plo
-rm -f Makefile
maintainer-clean-am: distclean-am maintainer-clean-generic
@ -630,19 +646,19 @@ uninstall-am:
.MAKE: install-am install-strip
.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
clean-libtool clean-noinstLTLIBRARIES cscopelist-am ctags \
ctags-am distclean distclean-compile distclean-generic \
distclean-libtool distclean-tags 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-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
.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
clean-generic clean-libtool clean-noinstLTLIBRARIES \
cscopelist-am ctags ctags-am distclean distclean-compile \
distclean-generic distclean-libtool distclean-tags 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-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
.PRECIOUS: Makefile

11
libsanitizer/interception/interception.h
View File

@ -1,7 +1,8 @@
//===-- interception.h ------------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -187,8 +188,14 @@ const interpose_substitution substitution_##func_name[] \
# define DECLARE_REAL_AND_INTERCEPTOR(ret_type, func, ...) \
DECLARE_REAL(ret_type, func, __VA_ARGS__) \
extern "C" ret_type WRAP(func)(__VA_ARGS__);
// Declare an interceptor and its wrapper defined in a different translation
// unit (ex. asm).
# define DECLARE_EXTERN_INTERCEPTOR_AND_WRAPPER(ret_type, func, ...) \
extern "C" ret_type WRAP(func)(__VA_ARGS__); \
extern "C" ret_type func(__VA_ARGS__);
#else
# define DECLARE_REAL_AND_INTERCEPTOR(ret_type, func, ...)
# define DECLARE_EXTERN_INTERCEPTOR_AND_WRAPPER(ret_type, func, ...)
#endif
// Generally, you don't need to use DEFINE_REAL by itself, as INTERCEPTOR

53
libsanitizer/interception/interception_linux.cc
View File

@ -1,53 +0,0 @@
//===-- interception_linux.cc -----------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Linux-specific interception methods.
//===----------------------------------------------------------------------===//
#include "interception.h"
#if SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD || \
SANITIZER_OPENBSD || SANITIZER_SOLARIS
#include <dlfcn.h> // for dlsym() and dlvsym()
#if SANITIZER_NETBSD
#include "sanitizer_common/sanitizer_libc.h"
#endif
namespace __interception {
bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
uptr real, uptr wrapper) {
#if SANITIZER_NETBSD
// XXX: Find a better way to handle renames
if (internal_strcmp(func_name, "sigaction") == 0) func_name = "__sigaction14";
#endif
*func_addr = (uptr)dlsym(RTLD_NEXT, func_name);
if (!*func_addr) {
// If the lookup using RTLD_NEXT failed, the sanitizer runtime library is
// later in the library search order than the DSO that we are trying to
// intercept, which means that we cannot intercept this function. We still
// want the address of the real definition, though, so look it up using
// RTLD_DEFAULT.
*func_addr = (uptr)dlsym(RTLD_DEFAULT, func_name);
}
return real == wrapper;
}
// Android and Solaris do not have dlvsym
#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD
void *GetFuncAddrVer(const char *func_name, const char *ver) {
return dlvsym(RTLD_NEXT, func_name, ver);
}
#endif // !SANITIZER_ANDROID
} // namespace __interception
#endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD ||
// SANITIZER_OPENBSD || SANITIZER_SOLARIS

83
libsanitizer/interception/interception_linux.cpp Normal file
View File

@ -0,0 +1,83 @@
//===-- interception_linux.cpp ----------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Linux-specific interception methods.
//===----------------------------------------------------------------------===//
#include "interception.h"
#if SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD || \
SANITIZER_OPENBSD || SANITIZER_SOLARIS
#include <dlfcn.h> // for dlsym() and dlvsym()
namespace __interception {
#if SANITIZER_NETBSD
static int StrCmp(const char *s1, const char *s2) {
while (true) {
if (*s1 != *s2)
return false;
if (*s1 == 0)
return true;
s1++;
s2++;
}
}
#endif
static void *GetFuncAddr(const char *name, uptr wrapper_addr) {
#if SANITIZER_NETBSD
// FIXME: Find a better way to handle renames
if (StrCmp(name, "sigaction"))
name = "__sigaction14";
#endif
void *addr = dlsym(RTLD_NEXT, name);
if (!addr) {
// If the lookup using RTLD_NEXT failed, the sanitizer runtime library is
// later in the library search order than the DSO that we are trying to
// intercept, which means that we cannot intercept this function. We still
// want the address of the real definition, though, so look it up using
// RTLD_DEFAULT.
addr = dlsym(RTLD_DEFAULT, name);
// In case `name' is not loaded, dlsym ends up finding the actual wrapper.
// We don't want to intercept the wrapper and have it point to itself.
if ((uptr)addr == wrapper_addr)
addr = nullptr;
}
return addr;
}
bool InterceptFunction(const char *name, uptr *ptr_to_real, uptr func,
uptr wrapper) {
void *addr = GetFuncAddr(name, wrapper);
*ptr_to_real = (uptr)addr;
return addr && (func == wrapper);
}
// Android and Solaris do not have dlvsym
#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD
static void *GetFuncAddr(const char *name, const char *ver) {
return dlvsym(RTLD_NEXT, name, ver);
}
bool InterceptFunction(const char *name, const char *ver, uptr *ptr_to_real,
uptr func, uptr wrapper) {
void *addr = GetFuncAddr(name, ver);
*ptr_to_real = (uptr)addr;
return addr && (func == wrapper);
}
#endif // !SANITIZER_ANDROID
} // namespace __interception
#endif // SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_NETBSD ||
// SANITIZER_OPENBSD || SANITIZER_SOLARIS

25
libsanitizer/interception/interception_linux.h
View File

@ -1,7 +1,8 @@
//===-- interception_linux.h ------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -21,23 +22,27 @@
#define INTERCEPTION_LINUX_H
namespace __interception {
// returns true if a function with the given name was found.
bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
uptr real, uptr wrapper);
void *GetFuncAddrVer(const char *func_name, const char *ver);
bool InterceptFunction(const char *name, uptr *ptr_to_real, uptr func,
uptr wrapper);
bool InterceptFunction(const char *name, const char *ver, uptr *ptr_to_real,
uptr func, uptr wrapper);
} // namespace __interception
#define INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func) \
::__interception::GetRealFunctionAddress( \
#func, (::__interception::uptr *)&__interception::PTR_TO_REAL(func), \
::__interception::InterceptFunction( \
#func, \
(::__interception::uptr *) & REAL(func), \
(::__interception::uptr) & (func), \
(::__interception::uptr) & WRAP(func))
// Android, Solaris and OpenBSD do not have dlvsym
#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD
#define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \
(::__interception::real_##func = (func##_type)( \
unsigned long)::__interception::GetFuncAddrVer(#func, symver))
::__interception::InterceptFunction( \
#func, symver, \
(::__interception::uptr *) & REAL(func), \
(::__interception::uptr) & (func), \
(::__interception::uptr) & WRAP(func))
#else
#define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \
INTERCEPT_FUNCTION_LINUX_OR_FREEBSD(func)

7
libsanitizer/interception/interception_mac.cc → libsanitizer/interception/interception_mac.cpp
View File

@ -1,7 +1,8 @@
//===-- interception_mac.cc -------------------------------------*- C++ -*-===//
//===-- interception_mac.cpp ------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

5
libsanitizer/interception/interception_mac.h
View File

@ -1,7 +1,8 @@
//===-- interception_mac.h --------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

7
libsanitizer/interception/interception_type_test.cc → libsanitizer/interception/interception_type_test.cpp
View File

@ -1,7 +1,8 @@
//===-- interception_type_test.cc -------------------------------*- C++ -*-===//
//===-- interception_type_test.cpp ------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

13
libsanitizer/interception/interception_win.cc → libsanitizer/interception/interception_win.cpp
View File

@ -1,7 +1,8 @@
//===-- interception_linux.cc -----------------------------------*- C++ -*-===//
//===-- interception_linux.cpp ----------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
@ -511,10 +512,12 @@ static size_t GetInstructionSize(uptr address, size_t* rel_offset = nullptr) {
case 0xc0854d: // 4d 85 c0 : test r8, r8
case 0xc2b60f: // 0f b6 c2 : movzx eax, dl
case 0xc03345: // 45 33 c0 : xor r8d, r8d
case 0xc93345: // 45 33 c9 : xor r9d, r9d
case 0xdb3345: // 45 33 DB : xor r11d, r11d
case 0xd98b4c: // 4c 8b d9 : mov r11, rcx
case 0xd28b4c: // 4c 8b d2 : mov r10, rdx
case 0xc98b4c: // 4C 8B C9 : mov r9, rcx
case 0xc18b4c: // 4C 8B C1 : mov r8, rcx
case 0xd2b60f: // 0f b6 d2 : movzx edx, dl
case 0xca2b48: // 48 2b ca : sub rcx, rdx
case 0x10b70f: // 0f b7 10 : movzx edx, WORD PTR [rax]
@ -522,6 +525,7 @@ static size_t GetInstructionSize(uptr address, size_t* rel_offset = nullptr) {
case 0xd18b48: // 48 8b d1 : mov rdx, rcx
case 0xdc8b4c: // 4c 8b dc : mov r11, rsp
case 0xd18b4c: // 4c 8b d1 : mov r10, rcx
case 0xE0E483: // 83 E4 E0 : and esp, 0xFFFFFFE0
return 3;
case 0xec8348: // 48 83 ec XX : sub rsp, XX
@ -553,6 +557,9 @@ static size_t GetInstructionSize(uptr address, size_t* rel_offset = nullptr) {
case 0x245c8948: // 48 89 5c 24 XX : mov QWORD PTR [rsp + XX], rbx
case 0x24748948: // 48 89 74 24 XX : mov QWORD PTR [rsp + XX], rsi
case 0x244C8948: // 48 89 4C 24 XX : mov QWORD PTR [rsp + XX], rcx
case 0x24548948: // 48 89 54 24 XX : mov QWORD PTR [rsp + XX], rdx
case 0x244c894c: // 4c 89 4c 24 XX : mov QWORD PTR [rsp + XX], r9
case 0x2444894c: // 4c 89 44 24 XX : mov QWORD PTR [rsp + XX], r8
return 5;
case 0x24648348: // 48 83 64 24 XX : and QWORD PTR [rsp + XX], YY
return 6;

5
libsanitizer/interception/interception_win.h
View File

@ -1,7 +1,8 @@
//===-- interception_linux.h ------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//

107
libsanitizer/libbacktrace/Makefile.in
View File

@ -1,7 +1,7 @@
# Makefile.in generated by automake 1.15.1 from Makefile.am.
# Makefile.in generated by automake 1.16.1 from Makefile.am.
# @configure_input@
# Copyright (C) 1994-2017 Free Software Foundation, Inc.
# Copyright (C) 1994-2018 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@ -165,7 +165,14 @@ am__v_at_0 = @
am__v_at_1 =
DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
depcomp = $(SHELL) $(top_srcdir)/../depcomp
am__depfiles_maybe = depfiles
am__maybe_remake_depfiles = depfiles
am__depfiles_remade = ./$(DEPDIR)/alloc.Plo ./$(DEPDIR)/atomic.Plo \
./$(DEPDIR)/bridge.Plo ./$(DEPDIR)/cp-demangle.Plo \
./$(DEPDIR)/dwarf.Plo ./$(DEPDIR)/elf.Plo \
./$(DEPDIR)/fileline.Plo ./$(DEPDIR)/mmap.Plo \
./$(DEPDIR)/mmapio.Plo ./$(DEPDIR)/posix.Plo \
./$(DEPDIR)/read.Plo ./$(DEPDIR)/sort.Plo \
./$(DEPDIR)/state.Plo ./$(DEPDIR)/unknown.Plo
am__mv = mv -f
COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
@ -447,8 +454,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
*config.status*) \
cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
*) \
echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
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 $(CONFIG_STATUS_DEPENDENCIES)
@ -482,20 +489,26 @@ mostlyclean-compile:
distclean-compile:
-rm -f *.tab.c
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alloc.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/atomic.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bridge.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cp-demangle.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dwarf.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fileline.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mmap.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mmapio.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/posix.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/read.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sort.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/state.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/unknown.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alloc.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/atomic.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bridge.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cp-demangle.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dwarf.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fileline.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mmap.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mmapio.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/posix.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/read.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sort.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/state.Plo@am__quote@ # am--include-marker
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/unknown.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@ $(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
@ -727,7 +740,20 @@ clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
mostlyclean-am
distclean: distclean-am
-rm -rf ./$(DEPDIR)
-rm -f ./$(DEPDIR)/alloc.Plo
-rm -f ./$(DEPDIR)/atomic.Plo
-rm -f ./$(DEPDIR)/bridge.Plo
-rm -f ./$(DEPDIR)/cp-demangle.Plo
-rm -f ./$(DEPDIR)/dwarf.Plo
-rm -f ./$(DEPDIR)/elf.Plo
-rm -f ./$(DEPDIR)/fileline.Plo
-rm -f ./$(DEPDIR)/mmap.Plo
-rm -f ./$(DEPDIR)/mmapio.Plo
-rm -f ./$(DEPDIR)/posix.Plo
-rm -f ./$(DEPDIR)/read.Plo
-rm -f ./$(DEPDIR)/sort.Plo
-rm -f ./$(DEPDIR)/state.Plo
-rm -f ./$(DEPDIR)/unknown.Plo
-rm -f Makefile
distclean-am: clean-am distclean-compile distclean-generic \
distclean-tags
@ -773,7 +799,20 @@ install-ps-am:
installcheck-am:
maintainer-clean: maintainer-clean-am
-rm -rf ./$(DEPDIR)
-rm -f ./$(DEPDIR)/alloc.Plo
-rm -f ./$(DEPDIR)/atomic.Plo
-rm -f ./$(DEPDIR)/bridge.Plo
-rm -f ./$(DEPDIR)/cp-demangle.Plo
-rm -f ./$(DEPDIR)/dwarf.Plo
-rm -f ./$(DEPDIR)/elf.Plo
-rm -f ./$(DEPDIR)/fileline.Plo
-rm -f ./$(DEPDIR)/mmap.Plo
-rm -f ./$(DEPDIR)/mmapio.Plo
-rm -f ./$(DEPDIR)/posix.Plo
-rm -f ./$(DEPDIR)/read.Plo
-rm -f ./$(DEPDIR)/sort.Plo
-rm -f ./$(DEPDIR)/state.Plo
-rm -f ./$(DEPDIR)/unknown.Plo
-rm -f Makefile
maintainer-clean-am: distclean-am maintainer-clean-generic
@ -794,19 +833,19 @@ uninstall-am:
.MAKE: install-am install-strip
.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
clean-libtool clean-noinstLTLIBRARIES cscopelist-am ctags \
ctags-am distclean distclean-compile distclean-generic \
distclean-libtool distclean-tags 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-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
.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
clean-generic clean-libtool clean-noinstLTLIBRARIES \
cscopelist-am ctags ctags-am distclean distclean-compile \
distclean-generic distclean-libtool distclean-tags 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-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
.PRECIOUS: Makefile

20
libsanitizer/lsan/Makefile.am
View File

@ -17,19 +17,19 @@ nodist_toolexeclib_HEADERS = liblsan_preinit.o
endif
sanitizer_lsan_files = \
lsan_common.cc \
lsan_common_linux.cc \
lsan_common_mac.cc
lsan_common.cpp \
lsan_common_linux.cpp \
lsan_common_mac.cpp
lsan_files = \
$(sanitizer_lsan_files) \
lsan.cc \
lsan_linux.cc \
lsan_mac.cc \
lsan_malloc_mac.cc \
lsan_allocator.cc \
lsan_interceptors.cc \
lsan_thread.cc
lsan.cpp \
lsan_linux.cpp \
lsan_mac.cpp \
lsan_malloc_mac.cpp \
lsan_allocator.cpp \
lsan_interceptors.cpp \
lsan_thread.cpp
libsanitizer_lsan_la_SOURCES = $(sanitizer_lsan_files)

Some files were not shown because too many files have changed in this diff Show More