combine: Punt on out of range rotate counts [PR93505]
[gcc.git] / libsanitizer / tsan / tsan_interceptors.h
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