47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <unwindstack/Memory.h>
|
|
|
|
namespace unwindstack {
|
|
|
|
class MemoryFileAtOffset : public Memory {
|
|
public:
|
|
MemoryFileAtOffset() = default;
|
|
virtual ~MemoryFileAtOffset();
|
|
|
|
bool Init(const std::string& file, uint64_t offset, uint64_t size = UINT64_MAX);
|
|
|
|
uint8_t* GetPtr(size_t addr = 0) override { return addr < size_ ? data_ + addr : nullptr; }
|
|
|
|
size_t Read(uint64_t addr, void* dst, size_t size) override;
|
|
|
|
size_t Size() { return size_; }
|
|
|
|
void Clear() override;
|
|
|
|
protected:
|
|
size_t size_ = 0;
|
|
size_t offset_ = 0;
|
|
uint8_t* data_ = nullptr;
|
|
};
|
|
|
|
} // namespace unwindstack
|