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 28 namespace unwindstack { 29 30 class 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 43 class 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 55 class 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
