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/*
* 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_FILES_H
#define _LIBUNWINDSTACK_DEX_FILES_H
#include <stdint.h>
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
#include <vector>
#include <unwindstack/Global.h>
#include <unwindstack/Memory.h>
namespace unwindstack {
// Forward declarations.
class DexFile;
class Maps;
struct MapInfo;
enum ArchEnum : uint8_t;
class DexFiles : public Global {
public:
explicit DexFiles(std::shared_ptr<Memory>& memory);
DexFiles(std::shared_ptr<Memory>& memory, std::vector<std::string>& search_libs);
~DexFiles();
DexFile* GetDexFile(uint64_t dex_file_offset, MapInfo* info);
void GetMethodInformation(Maps* maps, MapInfo* info, uint64_t dex_pc, std::string* method_name,
uint64_t* method_offset);
private:
void Init(Maps* maps);
bool GetAddr(size_t index, uint64_t* addr);
uint64_t ReadEntryPtr32(uint64_t addr);
uint64_t ReadEntryPtr64(uint64_t addr);
bool ReadEntry32();
bool ReadEntry64();
bool ReadVariableData(uint64_t ptr_offset) override;
void ProcessArch() override;
std::mutex lock_;
bool initialized_ = false;
std::unordered_map<uint64_t, std::unique_ptr<DexFile>> files_;
uint64_t entry_addr_ = 0;
uint64_t (DexFiles::*read_entry_ptr_func_)(uint64_t) = nullptr;
bool (DexFiles::*read_entry_func_)() = nullptr;
std::vector<uint64_t> addrs_;
};
} // namespace unwindstack
#endif // _LIBUNWINDSTACK_DEX_FILES_H