platform_system_core/libunwindstack/DexFile.h
Mathieu Chartier c2277fc216 Move to using ClassAccessor
In preparation for removal of ClassDataItemAccessor.

Bug: 79758018
Test: make
Test: test/run-test --host 137
Test: out/host/linux-x86/nativetest/libunwindstack_test/libunwindstack_test

Change-Id: I61a20fe7200a0d669b84573d3853b55877922602
2018-08-08 11:04:15 -07:00

75 lines
1.9 KiB
C++

/*
* Copyright (C) 2018 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_DEX_FILE_H
#define _LIBUNWINDSTACK_DEX_FILE_H
#include <stdint.h>
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include <dex/dex_file-inl.h>
namespace unwindstack {
class DexFile {
public:
DexFile() = default;
virtual ~DexFile() = default;
bool GetMethodInformation(uint64_t dex_offset, std::string* method_name, uint64_t* method_offset);
static DexFile* Create(uint64_t dex_file_offset_in_memory, Memory* memory, MapInfo* info);
protected:
void Init();
std::unique_ptr<const art::DexFile> dex_file_;
std::map<uint32_t, std::pair<uint64_t, uint32_t>> method_cache_; // dex offset to method index.
uint32_t class_def_index_ = 0;
};
class DexFileFromFile : public DexFile {
public:
DexFileFromFile() = default;
virtual ~DexFileFromFile();
bool Open(uint64_t dex_file_offset_in_file, const std::string& name);
private:
void* mapped_memory_ = nullptr;
size_t size_ = 0;
};
class DexFileFromMemory : public DexFile {
public:
DexFileFromMemory() = default;
virtual ~DexFileFromMemory() = default;
bool Open(uint64_t dex_file_offset_in_memory, Memory* memory);
private:
std::vector<uint8_t> memory_;
};
} // namespace unwindstack
#endif // _LIBUNWINDSTACK_DEX_FILE_H