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Diffstat (limited to 'build/autoconf/sanitize.m4')
| -rw-r--r-- | build/autoconf/sanitize.m4 | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/build/autoconf/sanitize.m4 b/build/autoconf/sanitize.m4 new file mode 100644 index 000000000..3193d5c62 --- /dev/null +++ b/build/autoconf/sanitize.m4 @@ -0,0 +1,106 @@ +dnl This Source Code Form is subject to the terms of the Mozilla Public +dnl License, v. 2.0. If a copy of the MPL was not distributed with this +dnl file, You can obtain one at http://mozilla.org/MPL/2.0/. + +AC_DEFUN([MOZ_CONFIG_SANITIZE], [ + +dnl ======================================================== +dnl = Use Address Sanitizer +dnl ======================================================== +MOZ_ARG_ENABLE_BOOL(address-sanitizer, +[ --enable-address-sanitizer Enable Address Sanitizer (default=no)], + MOZ_ASAN=1, + MOZ_ASAN= ) +if test -n "$MOZ_ASAN"; then + MOZ_LLVM_HACKS=1 + if test -n "$CLANG_CL"; then + # Look for the ASan runtime binary + if test "$CPU_ARCH" = "x86_64"; then + MOZ_CLANG_RT_ASAN_LIB=clang_rt.asan_dynamic-x86_64.dll + else + MOZ_CLANG_RT_ASAN_LIB=clang_rt.asan_dynamic-i386.dll + fi + # We use MOZ_PATH_PROG in order to get a Windows style path. + MOZ_PATH_PROG(MOZ_CLANG_RT_ASAN_LIB_PATH, $MOZ_CLANG_RT_ASAN_LIB) + if test -z "$MOZ_CLANG_RT_ASAN_LIB_PATH"; then + AC_MSG_ERROR([Couldn't find $MOZ_CLANG_RT_ASAN_LIB. It should be available in the same location as clang-cl.]) + fi + AC_SUBST(MOZ_CLANG_RT_ASAN_LIB_PATH) + # Suppressing errors in recompiled code. + if test "$OS_ARCH" = "WINNT"; then + CFLAGS="-fsanitize-blacklist=$_topsrcdir/build/sanitizers/asan_blacklist_win.txt $CFLAGS" + CXXFLAGS="-fsanitize-blacklist=$_topsrcdir/build/sanitizers/asan_blacklist_win.txt $CXXFLAGS" + fi + fi + CFLAGS="-fsanitize=address $CFLAGS" + CXXFLAGS="-fsanitize=address $CXXFLAGS" + if test -z "$CLANG_CL"; then + LDFLAGS="-fsanitize=address $LDFLAGS" + fi + AC_DEFINE(MOZ_ASAN) + MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer) +fi +AC_SUBST(MOZ_ASAN) + +dnl ======================================================== +dnl = Use Memory Sanitizer +dnl ======================================================== +MOZ_ARG_ENABLE_BOOL(memory-sanitizer, +[ --enable-memory-sanitizer Enable Memory Sanitizer (default=no)], + MOZ_MSAN=1, + MOZ_MSAN= ) +if test -n "$MOZ_MSAN"; then + MOZ_LLVM_HACKS=1 + CFLAGS="-fsanitize=memory -fsanitize-memory-track-origins $CFLAGS" + CXXFLAGS="-fsanitize=memory -fsanitize-memory-track-origins $CXXFLAGS" + if test -z "$CLANG_CL"; then + LDFLAGS="-fsanitize=memory -fsanitize-memory-track-origins $LDFLAGS" + fi + AC_DEFINE(MOZ_MSAN) + MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer) +fi +AC_SUBST(MOZ_MSAN) + +dnl ======================================================== +dnl = Use Thread Sanitizer +dnl ======================================================== +MOZ_ARG_ENABLE_BOOL(thread-sanitizer, +[ --enable-thread-sanitizer Enable Thread Sanitizer (default=no)], + MOZ_TSAN=1, + MOZ_TSAN= ) +if test -n "$MOZ_TSAN"; then + MOZ_LLVM_HACKS=1 + CFLAGS="-fsanitize=thread $CFLAGS" + CXXFLAGS="-fsanitize=thread $CXXFLAGS" + if test -z "$CLANG_CL"; then + LDFLAGS="-fsanitize=thread $LDFLAGS" + fi + AC_DEFINE(MOZ_TSAN) + MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer) +fi +AC_SUBST(MOZ_TSAN) + +# The LLVM symbolizer is used by all sanitizers +AC_SUBST(LLVM_SYMBOLIZER) + +dnl ======================================================== +dnl = Enable hacks required for LLVM instrumentations +dnl ======================================================== +MOZ_ARG_ENABLE_BOOL(llvm-hacks, +[ --enable-llvm-hacks Enable workarounds required for several LLVM instrumentations (default=no)], + MOZ_LLVM_HACKS=1, + MOZ_LLVM_HACKS= ) +if test -n "$MOZ_LLVM_HACKS"; then + MOZ_NO_WLZDEFS=1 + MOZ_CFLAGS_NSS=1 +fi +AC_SUBST(MOZ_NO_WLZDEFS) +AC_SUBST(MOZ_CFLAGS_NSS) + +dnl ======================================================== +dnl = Test for whether the compiler is compatible with the +dnl = given sanitize options. +dnl ======================================================== +AC_TRY_LINK(,,,AC_MSG_ERROR([compiler is incompatible with sanitize options])) + +]) |