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111
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1 #ifndef TSAN_INTERCEPTORS_H
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2 #define TSAN_INTERCEPTORS_H
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3
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4 #include "sanitizer_common/sanitizer_stacktrace.h"
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5 #include "tsan_rtl.h"
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6
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7 namespace __tsan {
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8
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9 class ScopedInterceptor {
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10 public:
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11 ScopedInterceptor(ThreadState *thr, const char *fname, uptr pc);
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12 ~ScopedInterceptor();
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13 void DisableIgnores();
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14 void EnableIgnores();
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15 private:
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16 ThreadState *const thr_;
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17 const uptr pc_;
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18 bool in_ignored_lib_;
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19 bool ignoring_;
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20 };
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21
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22 LibIgnore *libignore();
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23
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145
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24 #if !SANITIZER_GO
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25 INLINE bool in_symbolizer() {
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26 cur_thread_init();
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27 return UNLIKELY(cur_thread()->in_symbolizer);
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28 }
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29 #endif
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30
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111
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31 } // namespace __tsan
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32
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33 #define SCOPED_INTERCEPTOR_RAW(func, ...) \
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145
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34 cur_thread_init(); \
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35 ThreadState *thr = cur_thread(); \
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36 const uptr caller_pc = GET_CALLER_PC(); \
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37 ScopedInterceptor si(thr, #func, caller_pc); \
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38 const uptr pc = StackTrace::GetCurrentPc(); \
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39 (void)pc; \
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40 /**/
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41
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42 #define SCOPED_TSAN_INTERCEPTOR(func, ...) \
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43 SCOPED_INTERCEPTOR_RAW(func, __VA_ARGS__); \
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44 if (REAL(func) == 0) { \
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45 Report("FATAL: ThreadSanitizer: failed to intercept %s\n", #func); \
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46 Die(); \
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47 } \
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48 if (!thr->is_inited || thr->ignore_interceptors || thr->in_ignored_lib) \
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49 return REAL(func)(__VA_ARGS__); \
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50 /**/
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51
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52 #define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_START() \
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53 si.DisableIgnores();
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54
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55 #define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_END() \
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56 si.EnableIgnores();
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57
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58 #define TSAN_INTERCEPTOR(ret, func, ...) INTERCEPTOR(ret, func, __VA_ARGS__)
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59
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145
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60 #if SANITIZER_NETBSD
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61 # define TSAN_INTERCEPTOR_NETBSD_ALIAS(ret, func, ...) \
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62 TSAN_INTERCEPTOR(ret, __libc_##func, __VA_ARGS__) \
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63 ALIAS(WRAPPER_NAME(pthread_##func));
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64 # define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR(ret, func, ...) \
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65 TSAN_INTERCEPTOR(ret, __libc_thr_##func, __VA_ARGS__) \
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66 ALIAS(WRAPPER_NAME(pthread_##func));
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67 # define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR2(ret, func, func2, ...) \
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68 TSAN_INTERCEPTOR(ret, __libc_thr_##func, __VA_ARGS__) \
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69 ALIAS(WRAPPER_NAME(pthread_##func2));
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70 #else
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71 # define TSAN_INTERCEPTOR_NETBSD_ALIAS(ret, func, ...)
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72 # define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR(ret, func, ...)
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73 # define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR2(ret, func, func2, ...)
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74 #endif
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75
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111
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76 #endif // TSAN_INTERCEPTORS_H
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