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1 /*
2  * Copyright (c) 2023-2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef DFX_MAPS_H
17 #define DFX_MAPS_H
18 
19 #include <mutex>
20 #include <string>
21 #include <vector>
22 #include "dfx_map.h"
23 #include "string_util.h"
24 
25 namespace OHOS {
26 namespace HiviewDFX {
27 class DfxMaps {
28 public:
29     DfxMaps() = default;
30     ~DfxMaps() = default;
31     static const std::string GetMapsFile(pid_t pid = 0);
32     static std::shared_ptr<DfxMaps> Create(pid_t pid = 0);
33     static bool Create(const pid_t pid, std::vector<std::shared_ptr<DfxMap>>& maps, std::vector<int>& mapIndex);
34     static std::shared_ptr<DfxMaps> Create(const pid_t pid, const std::string& path, bool enableMapIndex = false);
35     static bool IsLegalMapItem(const std::string& name);
36     static void FormatMapName(pid_t pid, std::string& mapName);
37     static void UnFormatMapName(std::string& mapName);
38 
39     void AddMap(std::shared_ptr<DfxMap> map, bool enableMapIndex = false);
40     void Sort(bool less = true);
41     bool FindMapByAddr(uintptr_t addr, std::shared_ptr<DfxMap>& map) const;
42     bool FindMapByFileInfo(std::string name, uint64_t offset, std::shared_ptr<DfxMap>& map) const;
43     bool FindMapsByName(std::string name, std::vector<std::shared_ptr<DfxMap>>& maps) const;
GetMaps()44     const std::vector<std::shared_ptr<DfxMap>>& GetMaps() const { return maps_; }
GetMapIndexVec()45     const std::vector<int>& GetMapIndexVec() const { return mapIndex_; }
GetMapsSize()46     size_t GetMapsSize() const { return maps_.size(); }
47     bool GetStackRange(uintptr_t& bottom, uintptr_t& top);
48 
49     bool IsArkExecutedMap(uintptr_t addr);
50     uint32_t filePathId_ {0}; // for maps item filePath id
51 protected:
52     std::vector<std::shared_ptr<DfxMap>> maps_;
53     std::vector<int> mapIndex_;
54 private:
55     uintptr_t stackBottom_ = 0;
56     uintptr_t stackTop_ = 0;
57 };
58 } // namespace HiviewDFX
59 } // namespace OHOS
60 
61 #endif
62