Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 135 insertions, 0 deletions

diff --git a/build/autoconf/sanitize.m4 b/build/autoconf/sanitize.m4
new file mode 100644
index 0000000000..11fc6caebb
--- /dev/null
+++ b/build/autoconf/sanitize.m4
@@ -0,0 +1,135 @@
+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 ========================================================
+if test -n "$MOZ_ASAN"; then
+    if test -n "$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 -rdynamic $LDFLAGS"
+    fi
+    AC_DEFINE(MOZ_ASAN)
+    MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer)
+fi
+AC_SUBST(MOZ_ASAN)
+
+dnl ========================================================
+dnl = Use Memory Sanitizer
+dnl ========================================================
+if test -n "$MOZ_MSAN"; then
+    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 -rdynamic $LDFLAGS"
+    fi
+    AC_DEFINE(MOZ_MSAN)
+    MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer)
+fi
+AC_SUBST(MOZ_MSAN)
+
+dnl ========================================================
+dnl = Use Thread Sanitizer
+dnl ========================================================
+if test -n "$MOZ_TSAN"; then
+    CFLAGS="-fsanitize=thread $CFLAGS"
+    CXXFLAGS="-fsanitize=thread $CXXFLAGS"
+    if test -z "$CLANG_CL"; then
+        LDFLAGS="-fsanitize=thread -rdynamic $LDFLAGS"
+    fi
+    AC_DEFINE(MOZ_TSAN)
+    MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer)
+fi
+AC_SUBST(MOZ_TSAN)
+
+dnl ========================================================
+dnl = Use UndefinedBehavior Sanitizer (with custom checks)
+dnl ========================================================
+if test -n "$MOZ_UBSAN_CHECKS"; then
+    MOZ_UBSAN=1
+    UBSAN_TXT="$_objdir/ubsan_blacklist.txt"
+    cat $_topsrcdir/build/sanitizers/ubsan_*_blacklist.txt > $UBSAN_TXT
+    UBSAN_FLAGS="-fsanitize=$MOZ_UBSAN_CHECKS -fno-sanitize-recover=$MOZ_UBSAN_CHECKS -fsanitize-blacklist=$UBSAN_TXT"
+    CFLAGS="$UBSAN_FLAGS $CFLAGS"
+    CXXFLAGS="$UBSAN_FLAGS $CXXFLAGS"
+    if test -z "$CLANG_CL"; then
+        LDFLAGS="-fsanitize=undefined -rdynamic $LDFLAGS"
+    fi
+    AC_DEFINE(MOZ_UBSAN)
+    MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer)
+fi
+AC_SUBST(MOZ_UBSAN)
+
+dnl ========================================================
+dnl = Use UndefinedBehavior Sanitizer to find integer overflows
+dnl ========================================================
+if test -n "$MOZ_SIGNED_OVERFLOW_SANITIZE$MOZ_UNSIGNED_OVERFLOW_SANITIZE"; then
+    MOZ_UBSAN=1
+    SANITIZER_BLACKLISTS=""
+    if test -n "$MOZ_SIGNED_OVERFLOW_SANITIZE"; then
+        SANITIZER_BLACKLISTS="-fsanitize-blacklist=$_topsrcdir/build/sanitizers/ubsan_signed_overflow_blacklist.txt $SANITIZER_BLACKLISTS"
+        CFLAGS="-fsanitize=signed-integer-overflow $CFLAGS"
+        CXXFLAGS="-fsanitize=signed-integer-overflow $CXXFLAGS"
+        if test -z "$CLANG_CL"; then
+            LDFLAGS="-fsanitize=signed-integer-overflow -rdynamic $LDFLAGS"
+        fi
+        AC_DEFINE(MOZ_SIGNED_OVERFLOW_SANITIZE)
+    fi
+    if test -n "$MOZ_UNSIGNED_OVERFLOW_SANITIZE"; then
+        SANITIZER_BLACKLISTS="-fsanitize-blacklist=$_topsrcdir/build/sanitizers/ubsan_unsigned_overflow_blacklist.txt $SANITIZER_BLACKLISTS"
+        CFLAGS="-fsanitize=unsigned-integer-overflow $CFLAGS"
+        CXXFLAGS="-fsanitize=unsigned-integer-overflow $CXXFLAGS"
+        if test -z "$CLANG_CL"; then
+            LDFLAGS="-fsanitize=unsigned-integer-overflow -rdynamic $LDFLAGS"
+        fi
+        AC_DEFINE(MOZ_UNSIGNED_OVERFLOW_SANITIZE)
+    fi
+    CFLAGS="$SANITIZER_BLACKLISTS $CFLAGS"
+    CXXFLAGS="$SANITIZER_BLACKLISTS $CXXFLAGS"
+    AC_DEFINE(MOZ_UBSAN)
+    MOZ_PATH_PROG(LLVM_SYMBOLIZER, llvm-symbolizer)
+fi
+AC_SUBST(MOZ_SIGNED_OVERFLOW_SANITIZE)
+AC_SUBST(MOZ_UNSIGNED_OVERFLOW_SANITIZE)
+AC_SUBST(MOZ_UBSAN)
+
+dnl =======================================================
+dnl = Required for stand-alone (sanitizer-less) libFuzzer.
+dnl =======================================================
+if test -n "$LIBFUZZER"; then
+   LDFLAGS="$LIBFUZZER_FLAGS -rdynamic $LDFLAGS"
+fi
+
+# The LLVM symbolizer is used by all sanitizers
+AC_SUBST(LLVM_SYMBOLIZER)
+
+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]))
+
+])