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_REMOTE_H 18 #define _LIBUNWINDSTACK_MEMORY_REMOTE_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <atomic> 24 25 #include <unwindstack/Memory.h> 26 27 namespace unwindstack { 28 29 class MemoryRemote : public Memory { 30 public: MemoryRemote(pid_t pid)31 MemoryRemote(pid_t pid) : pid_(pid), read_redirect_func_(0) {} 32 virtual ~MemoryRemote() = default; 33 34 size_t Read(uint64_t addr, void* dst, size_t size) override; 35 long ReadTag(uint64_t addr) override; 36 pid()37 pid_t pid() { return pid_; } 38 39 private: 40 pid_t pid_; 41 std::atomic_uintptr_t read_redirect_func_; 42 }; 43 44 } // namespace unwindstack 45 46 #endif // _LIBUNWINDSTACK_MEMORY_REMOTE_H 47