5e62b34c0d
Use <android-base/macros.h> instead where possible, and move the bionic macros out of the way of the libbase ones. Yes, there are folks who manage to end up with both included at once (thanks OpenGL!), and cleaning that up doesn't seem nearly as practical as just making this change. Bug: N/A Test: builds Change-Id: I23fc544f39d5addf81dc61471771a5438778895b
100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#pragma once
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#include <stdint.h>
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#include <memory>
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#include <vector>
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#include <private/bionic_macros.h>
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#include "Config.h"
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#include "GuardData.h"
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#include "PointerData.h"
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#include "RecordData.h"
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#include "malloc_debug.h"
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class DebugData {
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public:
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DebugData() = default;
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~DebugData() = default;
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bool Initialize(const char* options);
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static bool Disabled();
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inline void* GetPointer(const Header* header) {
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uintptr_t value = reinterpret_cast<uintptr_t>(header);
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return reinterpret_cast<void*>(value + pointer_offset_);
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}
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Header* GetHeader(const void* pointer) {
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uintptr_t value = reinterpret_cast<uintptr_t>(pointer);
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return reinterpret_cast<Header*>(value - pointer_offset_);
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}
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uint8_t* GetFrontGuard(const Header* header) {
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uintptr_t value = reinterpret_cast<uintptr_t>(header);
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return reinterpret_cast<uint8_t*>(value + front_guard->offset());
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}
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uint8_t* GetRearGuard(const Header* header) {
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uintptr_t value = reinterpret_cast<uintptr_t>(GetPointer(header));
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return reinterpret_cast<uint8_t*>(value + header->size);
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}
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const Config& config() { return config_; }
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size_t pointer_offset() { return pointer_offset_; }
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size_t extra_bytes() { return extra_bytes_; }
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bool TrackPointers() { return config_.options() & TRACK_ALLOCS; }
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bool HeaderEnabled() { return config_.options() & HEADER_OPTIONS; }
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void PrepareFork();
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void PostForkParent();
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void PostForkChild();
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std::unique_ptr<FrontGuardData> front_guard;
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std::unique_ptr<PointerData> pointer;
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std::unique_ptr<RearGuardData> rear_guard;
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std::unique_ptr<RecordData> record;
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private:
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size_t extra_bytes_ = 0;
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size_t pointer_offset_ = 0;
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Config config_;
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BIONIC_DISALLOW_COPY_AND_ASSIGN(DebugData);
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};
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extern DebugData* g_debug;
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