1/*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef _LIBUNWINDSTACK_DEX_FILE_H
18#define _LIBUNWINDSTACK_DEX_FILE_H
19
20#include <stdint.h>
21
22#include <memory>
23#include <string>
24#include <vector>
25
26#include <dex/dex_file-inl.h>
27
28namespace unwindstack {
29
30class DexFile {
31 public:
32  DexFile() = default;
33  virtual ~DexFile() = default;
34
35  bool GetMethodInformation(uint64_t dex_offset, std::string* method_name, uint64_t* method_offset);
36
37  static DexFile* Create(uint64_t dex_file_offset_in_memory, Memory* memory, MapInfo* info);
38
39 protected:
40  std::unique_ptr<const art::DexFile> dex_file_;
41};
42
43class DexFileFromFile : public DexFile {
44 public:
45  DexFileFromFile() = default;
46  virtual ~DexFileFromFile();
47
48  bool Open(uint64_t dex_file_offset_in_file, const std::string& name);
49
50 private:
51  void* mapped_memory_ = nullptr;
52  size_t size_ = 0;
53};
54
55class DexFileFromMemory : public DexFile {
56 public:
57  DexFileFromMemory() = default;
58  virtual ~DexFileFromMemory() = default;
59
60  bool Open(uint64_t dex_file_offset_in_memory, Memory* memory);
61
62 private:
63  std::vector<uint8_t> memory_;
64};
65
66}  // namespace unwindstack
67
68#endif  // _LIBUNWINDSTACK_DEX_FILE_H
69