| /* |
| * Copyright (C) 2016 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_MEMORY_H |
| #define _LIBUNWINDSTACK_MEMORY_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #include <memory> |
| #include <string> |
| |
| namespace unwindstack { |
| |
| class Memory { |
| public: |
| Memory() = default; |
| virtual ~Memory() = default; |
| |
| static std::shared_ptr<Memory> CreateProcessMemory(pid_t pid); |
| static std::shared_ptr<Memory> CreateProcessMemoryCached(pid_t pid); |
| static std::shared_ptr<Memory> CreateOfflineMemory(const uint8_t* data, uint64_t start, |
| uint64_t end); |
| static std::unique_ptr<Memory> CreateFileMemory(const std::string& path, uint64_t offset); |
| |
| virtual bool ReadString(uint64_t addr, std::string* string, uint64_t max_read = UINT64_MAX); |
| |
| virtual void Clear() {} |
| |
| virtual size_t Read(uint64_t addr, void* dst, size_t size) = 0; |
| |
| bool ReadFully(uint64_t addr, void* dst, size_t size); |
| |
| inline bool Read32(uint64_t addr, uint32_t* dst) { |
| return ReadFully(addr, dst, sizeof(uint32_t)); |
| } |
| |
| inline bool Read64(uint64_t addr, uint64_t* dst) { |
| return ReadFully(addr, dst, sizeof(uint64_t)); |
| } |
| }; |
| |
| } // namespace unwindstack |
| |
| #endif // _LIBUNWINDSTACK_MEMORY_H |