1 /* 2 * Copyright (C) 2019 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_MEMORY_OFFLINE_H 18 #define _LIBUNWINDSTACK_MEMORY_OFFLINE_H 19 20 #include <stdint.h> 21 22 #include <memory> 23 #include <string> 24 #include <vector> 25 26 #include <unwindstack/Memory.h> 27 28 #include "MemoryRange.h" 29 30 namespace unwindstack { 31 32 class MemoryOffline : public Memory { 33 public: 34 MemoryOffline() = default; 35 virtual ~MemoryOffline() = default; 36 37 bool Init(const std::string& file, uint64_t offset); 38 39 size_t Read(uint64_t addr, void* dst, size_t size) override; 40 41 private: 42 std::unique_ptr<MemoryRange> memory_; 43 }; 44 45 class MemoryOfflineParts : public Memory { 46 public: 47 MemoryOfflineParts() = default; 48 virtual ~MemoryOfflineParts(); 49 Add(MemoryOffline * memory)50 void Add(MemoryOffline* memory) { memories_.push_back(memory); } 51 52 size_t Read(uint64_t addr, void* dst, size_t size) override; 53 54 private: 55 std::vector<MemoryOffline*> memories_; 56 }; 57 58 } // namespace unwindstack 59 60 #endif // _LIBUNWINDSTACK_MEMORY_OFFLINE_H 61