02d0f7962d
Create fast lookup table instead of iterating every single time. This will create the cache as methods are searched for. Test: 137-cfi Change-Id: I4be190bb1a637fef5d385b993be6a7e2203a6814
76 lines
1.9 KiB
C++
76 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;
|
|
std::unique_ptr<art::ClassDataItemIterator> class_it_;
|
|
};
|
|
|
|
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
|