1//===-- tsan_stack_trace.h --------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of ThreadSanitizer (TSan), a race detector.
11//
12//===----------------------------------------------------------------------===//
13#ifndef TSAN_STACK_TRACE_H
14#define TSAN_STACK_TRACE_H
15
16//#include "sanitizer_common/sanitizer_atomic.h"
17//#include "sanitizer_common/sanitizer_common.h"
18//#include "sanitizer_common/sanitizer_deadlock_detector_interface.h"
19#include "tsan_defs.h"
20//#include "tsan_clock.h"
21//#include "tsan_mutex.h"
22//#include "tsan_dense_alloc.h"
23
24namespace __tsan {
25
26class StackTrace {
27 public:
28  StackTrace();
29  // Initialized the object in "static mode",
30  // in this mode it never calls malloc/free but uses the provided buffer.
31  StackTrace(uptr *buf, uptr cnt);
32  ~StackTrace();
33  void Reset();
34
35  void Init(const uptr *pcs, uptr cnt);
36  void ObtainCurrent(ThreadState *thr, uptr toppc);
37  bool IsEmpty() const;
38  uptr Size() const;
39  uptr Get(uptr i) const;
40  const uptr *Begin() const;
41  void CopyFrom(const StackTrace& other);
42
43 private:
44  uptr n_;
45  uptr *s_;
46  const uptr c_;
47
48  StackTrace(const StackTrace&);
49  void operator = (const StackTrace&);
50};
51
52}  // namespace __tsan
53
54#endif  // TSAN_STACK_TRACE_H
55