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