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 #include "OptionData.h"
37 
38 // Forward declarations.
39 struct Config;
40 
41 class BacktraceData : public OptionData {
42  public:
43   BacktraceData(DebugData* debug_data, const Config& config, size_t* offset);
44   virtual ~BacktraceData() = default;
45 
46   bool Initialize(const Config& config);
47 
alloc_offset()48   inline size_t alloc_offset() { return alloc_offset_; }
49 
enabled()50   bool enabled() { return enabled_; }
set_enabled(bool enabled)51   void set_enabled(bool enabled) { enabled_ = enabled; }
52 
53  private:
54   size_t alloc_offset_ = 0;
55 
56   volatile bool enabled_ = false;
57 
58   DISALLOW_COPY_AND_ASSIGN(BacktraceData);
59 };
60 
61 #endif // DEBUG_MALLOC_BACKTRACEDATA_H
62