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//===-- tsan_interceptors.h -------------------------------------*- C++ -*-===//
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
//===----------------------------------------------------------------------===//
#ifndef TSAN_INTERCEPTORS_H
#define TSAN_INTERCEPTORS_H
#include "interception/interception.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();
private:
ThreadState *const thr_;
const int in_rtl_;
};
#define SCOPED_INTERCEPTOR_RAW(func, ...) \
ThreadState *thr = cur_thread(); \
StatInc(thr, StatInterceptor); \
StatInc(thr, StatInt_##func); \
const uptr caller_pc = GET_CALLER_PC(); \
ScopedInterceptor si(thr, #func, caller_pc); \
/* Subtract one from pc as we need current instruction address */ \
const uptr pc = __sanitizer::StackTrace::GetCurrentPc() - 1; \
(void)pc; \
/**/
#define SCOPED_TSAN_INTERCEPTOR(func, ...) \
SCOPED_INTERCEPTOR_RAW(func, __VA_ARGS__); \
if (thr->in_rtl > 1) \
return REAL(func)(__VA_ARGS__); \
/**/
#define TSAN_INTERCEPTOR(ret, func, ...) INTERCEPTOR(ret, func, __VA_ARGS__)
#define TSAN_INTERCEPT(func) INTERCEPT_FUNCTION(func)
} // namespace __tsan
#endif // TSAN_INTERCEPTORS_H
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