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[asan] Enable signal and sigaction interceptors on Android. 

Fixes AddressSanitizer.SignalTest breakage.

llvm-svn: 201330
This commit is contained in:
Evgeniy Stepanov 2014-02-13 14:33:24 +00:00
parent a238b17e76
commit f79669a323
2 changed files with 16 additions and 1 deletions
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15
compiler-rt/lib/asan/asan_interceptors.cc
View File

@ -186,6 +186,16 @@ INTERCEPTOR(int, pthread_create, void *thread,
#endif // ASAN_INTERCEPT_PTHREAD_CREATE
#if ASAN_INTERCEPT_SIGNAL_AND_SIGACTION
#if SANITIZER_ANDROID
INTERCEPTOR(void*, bsd_signal, int signum, void *handler) {
if (!AsanInterceptsSignal(signum) ||
common_flags()->allow_user_segv_handler) {
return REAL(bsd_signal)(signum, handler);
}
return 0;
}
#else
INTERCEPTOR(void*, signal, int signum, void *handler) {
if (!AsanInterceptsSignal(signum) ||
common_flags()->allow_user_segv_handler) {
@ -193,6 +203,7 @@ INTERCEPTOR(void*, signal, int signum, void *handler) {
}
return 0;
}
#endif
INTERCEPTOR(int, sigaction, int signum, const struct sigaction *act,
struct sigaction *oldact) {
@ -754,8 +765,12 @@ void InitializeAsanInterceptors() {
ASAN_INTERCEPT_FUNC(longjmp);
#if ASAN_INTERCEPT_SIGNAL_AND_SIGACTION
ASAN_INTERCEPT_FUNC(sigaction);
#if SANITIZER_ANDROID
ASAN_INTERCEPT_FUNC(bsd_signal);
#else
ASAN_INTERCEPT_FUNC(signal);
#endif
#endif
#if ASAN_INTERCEPT_SWAPCONTEXT
ASAN_INTERCEPT_FUNC(swapcontext);
#endif

2
compiler-rt/lib/asan/asan_interceptors.h
View File

@ -54,7 +54,7 @@
# define ASAN_INTERCEPT_SWAPCONTEXT 0
#endif
#if !SANITIZER_ANDROID && !SANITIZER_WINDOWS
#if !SANITIZER_WINDOWS
# define ASAN_INTERCEPT_SIGNAL_AND_SIGACTION 1
#else
# define ASAN_INTERCEPT_SIGNAL_AND_SIGACTION 0