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