/*
* Copyright ( C ) 2015 The Android Open Source Project
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
* * Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* * Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in
* the documentation and / or other materials provided with the
* distribution .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* " AS IS " AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
* LIMITED TO , THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED . IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT , INDIRECT ,
* INCIDENTAL , SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING ,
* BUT NOT LIMITED TO , PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS
* OF USE , DATA , OR PROFITS ; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY ,
* OR TORT ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE .
*/
#pragma once
#include <stdint.h>
#include <memory>
#include <vector>
#include <platform/bionic/macros.h>
#include "Config.h"
#include "GuardData.h"
#include "PointerData.h"
#include "RecordData.h"
#include "malloc_debug.h"
class DebugData {
public :
DebugData() = default ;
~DebugData() = default ;
bool Initialize(const char * options);
static bool Disabled();
inline void * GetPointer(const Header* header) {
uintptr_t value = reinterpret_cast <uintptr_t>(header);
return reinterpret_cast <void *>(value + pointer_offset_);
}
Header* GetHeader(const void * pointer) {
uintptr_t value = reinterpret_cast <uintptr_t>(pointer);
return reinterpret_cast <Header*>(value - pointer_offset_);
}
uint8_t* GetFrontGuard(const Header* header) {
uintptr_t value = reinterpret_cast <uintptr_t>(header);
return reinterpret_cast <uint8_t*>(value + front_guard->offset());
}
uint8_t* GetRearGuard(const Header* header) {
uintptr_t value = reinterpret_cast <uintptr_t>(GetPointer(header));
return reinterpret_cast <uint8_t*>(value + header->size);
}
const Config& config() { return config_; }
size_t pointer_offset() { return pointer_offset_; }
size_t extra_bytes() { return extra_bytes_; }
bool TrackPointers() { return config_.options() & TRACK_ALLOCS; }
bool HeaderEnabled() { return config_.options() & HEADER_OPTIONS; }
void PrepareFork();
void PostForkParent();
void PostForkChild();
std::unique_ptr<FrontGuardData> front_guard;
std::unique_ptr<PointerData> pointer;
std::unique_ptr<RearGuardData> rear_guard;
std::unique_ptr<RecordData> record;
private :
size_t extra_bytes_ = 0 ;
size_t pointer_offset_ = 0 ;
Config config_;
BIONIC_DISALLOW_COPY_AND_ASSIGN(DebugData);
};
extern DebugData* g_debug;
Messung V0.5 in Prozent C=97 H=91 G=93
¤ Dauer der Verarbeitung: 0.0 Sekunden
(vorverarbeitet am 2026-06-28)
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