1#ifndef TSAN_INTERCEPTORS_H 2#define TSAN_INTERCEPTORS_H 3 4#include "sanitizer_common/sanitizer_stacktrace.h" 5#include "tsan_rtl.h" 6 7namespace __tsan { 8 9class ScopedInterceptor { 10 public: 11 ScopedInterceptor(ThreadState *thr, const char *fname, uptr pc); 12 ~ScopedInterceptor(); 13 void UserCallbackStart(); 14 void UserCallbackEnd(); 15 private: 16 ThreadState *const thr_; 17 const uptr pc_; 18 bool in_ignored_lib_; 19}; 20 21} // namespace __tsan 22 23#define SCOPED_INTERCEPTOR_RAW(func, ...) \ 24 ThreadState *thr = cur_thread(); \ 25 const uptr caller_pc = GET_CALLER_PC(); \ 26 ScopedInterceptor si(thr, #func, caller_pc); \ 27 const uptr pc = StackTrace::GetCurrentPc(); \ 28 (void)pc; \ 29/**/ 30 31#define SCOPED_TSAN_INTERCEPTOR(func, ...) \ 32 SCOPED_INTERCEPTOR_RAW(func, __VA_ARGS__); \ 33 if (REAL(func) == 0) { \ 34 Report("FATAL: ThreadSanitizer: failed to intercept %s\n", #func); \ 35 Die(); \ 36 } \ 37 if (thr->ignore_interceptors || thr->in_ignored_lib) \ 38 return REAL(func)(__VA_ARGS__); \ 39/**/ 40 41#define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_START() \ 42 si.UserCallbackStart(); 43 44#define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_END() \ 45 si.UserCallbackEnd(); 46 47#define TSAN_INTERCEPTOR(ret, func, ...) INTERCEPTOR(ret, func, __VA_ARGS__) 48 49#if SANITIZER_FREEBSD 50#define __libc_free __free 51#define __libc_malloc __malloc 52#endif 53 54extern "C" void __libc_free(void *ptr); 55extern "C" void *__libc_malloc(uptr size); 56 57#endif // TSAN_INTERCEPTORS_H 58