gcc/libsanitizer/tsan/tsan_interceptors.h
Jakub Jelinek 86b2a5583b re PR sanitizer/79168 (libtsan fails to link when cross compiling GCC tip for Aarch64 target)
PR sanitizer/79168
	* merge.sh (change_comment_headers): Don't remove 2nd and 3rd line
	if the 3rd line doesn't contain 'The LLVM Compiler Infrastructure'
	text.
	* sanitizer_common/sanitizer_linux_mips64.S: Regenerated.
	* sanitizer_common/sanitizer_linux_x86_64.S: Likewise.
	* tsan/tsan_ppc_regs.h: Likewise.
	* tsan/tsan_rtl_aarch64.S: Likewise.
	* tsan/tsan_rtl_mips64.S: Likewise.
	* tsan/tsan_rtl_ppc64.S: Likewise.

From-SVN: r244844
2017-01-24 01:18:36 +01:00

50 lines
1.3 KiB
C++

#ifndef TSAN_INTERCEPTORS_H
#define TSAN_INTERCEPTORS_H
#include "sanitizer_common/sanitizer_stacktrace.h"
#include "tsan_rtl.h"
namespace __tsan {
class ScopedInterceptor {
public:
ScopedInterceptor(ThreadState *thr, const char *fname, uptr pc);
~ScopedInterceptor();
void UserCallbackStart();
void UserCallbackEnd();
private:
ThreadState *const thr_;
const uptr pc_;
bool in_ignored_lib_;
};
} // namespace __tsan
#define SCOPED_INTERCEPTOR_RAW(func, ...) \
ThreadState *thr = cur_thread(); \
const uptr caller_pc = GET_CALLER_PC(); \
ScopedInterceptor si(thr, #func, caller_pc); \
const uptr pc = StackTrace::GetCurrentPc(); \
(void)pc; \
/**/
#define SCOPED_TSAN_INTERCEPTOR(func, ...) \
SCOPED_INTERCEPTOR_RAW(func, __VA_ARGS__); \
if (REAL(func) == 0) { \
Report("FATAL: ThreadSanitizer: failed to intercept %s\n", #func); \
Die(); \
} \
if (!thr->is_inited || thr->ignore_interceptors || thr->in_ignored_lib) \
return REAL(func)(__VA_ARGS__); \
/**/
#define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_START() \
si.UserCallbackStart();
#define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_END() \
si.UserCallbackEnd();
#define TSAN_INTERCEPTOR(ret, func, ...) INTERCEPTOR(ret, func, __VA_ARGS__)
#endif // TSAN_INTERCEPTORS_H