platform_system_core/libunwindstack/MemoryOffline.h

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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _LIBUNWINDSTACK_MEMORY_OFFLINE_H
#define _LIBUNWINDSTACK_MEMORY_OFFLINE_H
#include <stdint.h>
#include <memory>
#include <string>
#include <vector>
#include <unwindstack/Memory.h>
#include "MemoryRange.h"
namespace unwindstack {
class MemoryOffline : public Memory {
public:
MemoryOffline() = default;
virtual ~MemoryOffline() = default;
bool Init(const std::string& file, uint64_t offset);
size_t Read(uint64_t addr, void* dst, size_t size) override;
private:
std::unique_ptr<MemoryRange> memory_;
};
class MemoryOfflineParts : public Memory {
public:
MemoryOfflineParts() = default;
virtual ~MemoryOfflineParts();
void Add(MemoryOffline* memory) { memories_.push_back(memory); }
size_t Read(uint64_t addr, void* dst, size_t size) override;
private:
std::vector<MemoryOffline*> memories_;
};
} // namespace unwindstack
#endif // _LIBUNWINDSTACK_MEMORY_OFFLINE_H