libsanitizer/tsan/tsan_stack_trace.h

   1 //===-- tsan_stack_trace.h --------------------------------------*- C++ -*-===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // This file is a part of ThreadSanitizer (TSan), a race detector.
   9 //
  10 //===----------------------------------------------------------------------===//
  11 #ifndef TSAN_STACK_TRACE_H
  12 #define TSAN_STACK_TRACE_H
  13
  14 //#include "sanitizer_common/sanitizer_atomic.h"
  15 //#include "sanitizer_common/sanitizer_common.h"
  16 //#include "sanitizer_common/sanitizer_deadlock_detector_interface.h"
  17 #include "tsan_defs.h"
  18 //#include "tsan_clock.h"
  19 //#include "tsan_mutex.h"
  20 //#include "tsan_dense_alloc.h"
  21
  22 namespace __tsan {
  23
  24 class StackTrace {
  25  public:
  26   StackTrace();
  27   // Initialized the object in "static mode",
  28   // in this mode it never calls malloc/free but uses the provided buffer.
  29   StackTrace(uptr *buf, uptr cnt);
  30   ~StackTrace();
  31   void Reset();
  32
  33   void Init(const uptr *pcs, uptr cnt);
  34   void ObtainCurrent(ThreadState *thr, uptr toppc);
  35   bool IsEmpty() const;
  36   uptr Size() const;
  37   uptr Get(uptr i) const;
  38   const uptr *Begin() const;
  39   void CopyFrom(const StackTrace& other);
  40
  41  private:
  42   uptr n_;
  43   uptr *s_;
  44   const uptr c_;
  45
  46   StackTrace(const StackTrace&);
  47   void operator = (const StackTrace&);
  48 };
  49
  50 }  // namespace __tsan
  51
  52 #endif  // TSAN_STACK_TRACE_H