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. 37 struct Config; 38 39 class BacktraceData { 40 public: 41 BacktraceData(const Config& config, size_t* offset); 42 virtual ~BacktraceData() = default; 43 44 bool Initialize(const Config& config); 45 alloc_offset()46 inline size_t alloc_offset() { return alloc_offset_; } 47 enabled()48 bool enabled() { return enabled_; } set_enabled(bool 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