1 #ifndef TSAN_INTERCEPTORS_H 2 #define TSAN_INTERCEPTORS_H 3 4 #include "sanitizer_common/sanitizer_stacktrace.h" 5 #include "tsan_rtl.h" 6 7 namespace __tsan { 8 9 class ScopedInterceptor { 10 public: 11 ScopedInterceptor(ThreadState *thr, const char *fname, uptr pc); 12 ~ScopedInterceptor(); 13 void DisableIgnores(); 14 void EnableIgnores(); 15 private: 16 ThreadState *const thr_; 17 const uptr pc_; 18 bool in_ignored_lib_; 19 bool ignoring_; 20 }; 21 22 LibIgnore *libignore(); 23 24 } // namespace __tsan 25 26 #define SCOPED_INTERCEPTOR_RAW(func, ...) \ 27 ThreadState *thr = cur_thread(); \ 28 const uptr caller_pc = GET_CALLER_PC(); \ 29 ScopedInterceptor si(thr, #func, caller_pc); \ 30 const uptr pc = StackTrace::GetCurrentPc(); \ 31 (void)pc; \ 32 /**/ 33 34 #define SCOPED_TSAN_INTERCEPTOR(func, ...) \ 35 SCOPED_INTERCEPTOR_RAW(func, __VA_ARGS__); \ 36 if (REAL(func) == 0) { \ 37 Report("FATAL: ThreadSanitizer: failed to intercept %s\n", #func); \ 38 Die(); \ 39 } \ 40 if (!thr->is_inited || thr->ignore_interceptors || thr->in_ignored_lib) \ 41 return REAL(func)(__VA_ARGS__); \ 42 /**/ 43 44 #define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_START() \ 45 si.DisableIgnores(); 46 47 #define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_END() \ 48 si.EnableIgnores(); 49 50 #define TSAN_INTERCEPTOR(ret, func, ...) INTERCEPTOR(ret, func, __VA_ARGS__) 51 52 #if SANITIZER_NETBSD 53 # define TSAN_INTERCEPTOR_NETBSD_ALIAS(ret, func, ...) \ 54 TSAN_INTERCEPTOR(ret, __libc_##func, __VA_ARGS__) \ 55 ALIAS(WRAPPER_NAME(pthread_##func)); 56 # define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR(ret, func, ...) \ 57 TSAN_INTERCEPTOR(ret, __libc_thr_##func, __VA_ARGS__) \ 58 ALIAS(WRAPPER_NAME(pthread_##func)); 59 #else 60 # define TSAN_INTERCEPTOR_NETBSD_ALIAS(ret, func, ...) 61 # define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR(ret, func, ...) 62 #endif 63 64 #endif // TSAN_INTERCEPTORS_H 65