1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef DEBUG_MALLOC_BACKTRACEDATA_H
30#define DEBUG_MALLOC_BACKTRACEDATA_H
31
32#include <stdint.h>
33
34#include <private/bionic_macros.h>
35
36// Forward declarations.
37struct Config;
38
39class BacktraceData {
40 public:
41  BacktraceData(const Config& config, size_t* offset);
42  virtual ~BacktraceData() = default;
43
44  bool Initialize(const Config& config);
45
46  inline size_t alloc_offset() { return alloc_offset_; }
47
48  bool enabled() { return enabled_; }
49  void set_enabled(bool enabled) { enabled_ = enabled; }
50
51 private:
52  size_t alloc_offset_ = 0;
53
54  volatile bool enabled_ = false;
55
56  DISALLOW_COPY_AND_ASSIGN(BacktraceData);
57};
58
59#endif // DEBUG_MALLOC_BACKTRACEDATA_H
60