[PATCH] D38669: [sanitizer] Don't intercept signal and sigaction on Fuchsia
Petr Hosek via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Oct 9 11:31:52 PDT 2017
This revision was automatically updated to reflect the committed changes.
Closed by commit rL315227: [sanitizer] Don't intercept signal and sigaction on Fuchsia (authored by phosek).
Changed prior to commit:
https://reviews.llvm.org/D38669?vs=118237&id=118242#toc
Repository:
rL LLVM
https://reviews.llvm.org/D38669
Files:
compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h
compiler-rt/trunk/lib/ubsan/ubsan_signals_standalone.cc
Index: compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h
===================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_platform_interceptors.h
@@ -389,7 +389,7 @@
#define SANITIZER_INTERCEPT_MALLOC_USABLE_SIZE (!SI_MAC)
#define SANITIZER_INTERCEPT_MCHECK_MPROBE SI_LINUX_NOT_ANDROID
#define SANITIZER_INTERCEPT_WCSCAT SI_POSIX
-#define SANITIZER_INTERCEPT_SIGNAL_AND_SIGACTION (!SI_WINDOWS)
+#define SANITIZER_INTERCEPT_SIGNAL_AND_SIGACTION (!SI_WINDOWS && SI_NOT_FUCHSIA)
#define SANITIZER_INTERCEPT_BSD_SIGNAL SI_ANDROID
#endif // #ifndef SANITIZER_PLATFORM_INTERCEPTORS_H
Index: compiler-rt/trunk/lib/ubsan/ubsan_signals_standalone.cc
===================================================================
--- compiler-rt/trunk/lib/ubsan/ubsan_signals_standalone.cc
+++ compiler-rt/trunk/lib/ubsan/ubsan_signals_standalone.cc
@@ -24,6 +24,9 @@
namespace __ubsan {
+#if SANITIZER_FUCHSIA
+void InitializeDeadlySignals() {}
+#else
static void OnStackUnwind(const SignalContext &sig, const void *,
BufferedStackTrace *stack) {
GetStackTraceWithPcBpAndContext(stack, kStackTraceMax, sig.pc, sig.bp,
@@ -44,6 +47,7 @@
InitializeSignalInterceptors();
InstallDeadlySignalHandlers(&UBsanOnDeadlySignal);
}
+#endif
} // namespace __ubsan
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