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 #if !SANITIZER_GO 25 INLINE bool in_symbolizer() { 26 cur_thread_init(); 27 return UNLIKELY(cur_thread()->in_symbolizer); 28 } 29 #endif 30 31 } // namespace __tsan 32 33 #define SCOPED_INTERCEPTOR_RAW(func, ...) \ 34 cur_thread_init(); \ 35 ThreadState *thr = cur_thread(); \ 36 const uptr caller_pc = GET_CALLER_PC(); \ 37 ScopedInterceptor si(thr, #func, caller_pc); \ 38 const uptr pc = StackTrace::GetCurrentPc(); \ 39 (void)pc; \ 40 /**/ 41 42 #define SCOPED_TSAN_INTERCEPTOR(func, ...) \ 43 SCOPED_INTERCEPTOR_RAW(func, __VA_ARGS__); \ 44 if (REAL(func) == 0) { \ 45 Report("FATAL: ThreadSanitizer: failed to intercept %s\n", #func); \ 46 Die(); \ 47 } \ 48 if (!thr->is_inited || thr->ignore_interceptors || thr->in_ignored_lib) \ 49 return REAL(func)(__VA_ARGS__); \ 50 /**/ 51 52 #define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_START() \ 53 si.DisableIgnores(); 54 55 #define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_END() \ 56 si.EnableIgnores(); 57 58 #define TSAN_INTERCEPTOR(ret, func, ...) INTERCEPTOR(ret, func, __VA_ARGS__) 59 60 #if SANITIZER_NETBSD 61 # define TSAN_INTERCEPTOR_NETBSD_ALIAS(ret, func, ...) \ 62 TSAN_INTERCEPTOR(ret, __libc_##func, __VA_ARGS__) \ 63 ALIAS(WRAPPER_NAME(pthread_##func)); 64 # define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR(ret, func, ...) \ 65 TSAN_INTERCEPTOR(ret, __libc_thr_##func, __VA_ARGS__) \ 66 ALIAS(WRAPPER_NAME(pthread_##func)); 67 # define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR2(ret, func, func2, ...) \ 68 TSAN_INTERCEPTOR(ret, __libc_thr_##func, __VA_ARGS__) \ 69 ALIAS(WRAPPER_NAME(pthread_##func2)); 70 #else 71 # define TSAN_INTERCEPTOR_NETBSD_ALIAS(ret, func, ...) 72 # define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR(ret, func, ...) 73 # define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR2(ret, func, func2, ...) 74 #endif 75 76 #endif // TSAN_INTERCEPTORS_H 77