File: tsan_interceptors.h

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (64 lines) | stat: -rw-r--r-- 1,851 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
#ifndef TSAN_INTERCEPTORS_H
#define TSAN_INTERCEPTORS_H

#include "sanitizer_common/sanitizer_stacktrace.h"
#include "tsan_rtl.h"

namespace __tsan {

class ScopedInterceptor {
 public:
  ScopedInterceptor(ThreadState *thr, const char *fname, uptr pc);
  ~ScopedInterceptor();
  void DisableIgnores();
  void EnableIgnores();
 private:
  ThreadState *const thr_;
  const uptr pc_;
  bool in_ignored_lib_;
  bool ignoring_;
};

LibIgnore *libignore();

}  // namespace __tsan

#define SCOPED_INTERCEPTOR_RAW(func, ...) \
    ThreadState *thr = cur_thread(); \
    const uptr caller_pc = GET_CALLER_PC(); \
    ScopedInterceptor si(thr, #func, caller_pc); \
    const uptr pc = StackTrace::GetCurrentPc(); \
    (void)pc; \
/**/

#define SCOPED_TSAN_INTERCEPTOR(func, ...) \
    SCOPED_INTERCEPTOR_RAW(func, __VA_ARGS__); \
    if (REAL(func) == 0) { \
      Report("FATAL: ThreadSanitizer: failed to intercept %s\n", #func); \
      Die(); \
    }                                                    \
    if (!thr->is_inited || thr->ignore_interceptors || thr->in_ignored_lib) \
      return REAL(func)(__VA_ARGS__); \
/**/

#define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_START() \
    si.DisableIgnores();

#define SCOPED_TSAN_INTERCEPTOR_USER_CALLBACK_END() \
    si.EnableIgnores();

#define TSAN_INTERCEPTOR(ret, func, ...) INTERCEPTOR(ret, func, __VA_ARGS__)

#if SANITIZER_NETBSD
# define TSAN_INTERCEPTOR_NETBSD_ALIAS(ret, func, ...) \
  TSAN_INTERCEPTOR(ret, __libc_##func, __VA_ARGS__) \
  ALIAS(WRAPPER_NAME(pthread_##func));
# define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR(ret, func, ...) \
  TSAN_INTERCEPTOR(ret, __libc_thr_##func, __VA_ARGS__) \
  ALIAS(WRAPPER_NAME(pthread_##func));
#else
# define TSAN_INTERCEPTOR_NETBSD_ALIAS(ret, func, ...)
# define TSAN_INTERCEPTOR_NETBSD_ALIAS_THR(ret, func, ...)
#endif

#endif  // TSAN_INTERCEPTORS_H