1 /* 2 * Copyright (c) 2021-2022 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 /* This files contains feader file of maps module. */ 17 18 #ifndef DFX_MAPS_H 19 #define DFX_MAPS_H 20 21 #include <string> 22 #include <sys/types.h> 23 #include "iosfwd" 24 #include "dfx_elf.h" 25 26 namespace OHOS { 27 namespace HiviewDFX { 28 class DfxElfMap { 29 public: 30 DfxElfMap() = default; 31 ~DfxElfMap() = default; 32 static std::shared_ptr<DfxElfMap> Create(const std::string mapInfo, int size); 33 bool IsValid(); 34 std::string PrintMap(); 35 36 uint64_t GetMapBegin() const; 37 uint64_t GetMapEnd() const; 38 uint64_t GetMapOffset() const; 39 std::string GetMapPerms() const; 40 std::string GetMapPath() const; 41 std::shared_ptr<DfxElf> GetMapImage() const; 42 43 void SetMapBegin(uint64_t begin); 44 void SetMapEnd(uint64_t end); 45 void SetMapOffset(uint64_t offset); 46 void SetMapPerms(const std::string perms, int size); 47 void SetMapPath(const std::string path); 48 void SetMapImage(std::shared_ptr<DfxElf> image); 49 50 private: 51 uint64_t begin_ = 0; 52 uint64_t end_ = 0; 53 uint64_t offset_ = 0; 54 std::string perms_; // 5:rwxp 55 std::string path_; 56 std::shared_ptr<DfxElf> image_; 57 }; 58 59 class DfxElfMaps { 60 public: 61 DfxElfMaps() = default; 62 ~DfxElfMaps() = default; 63 static std::shared_ptr<DfxElfMaps> Create(pid_t pid); 64 void InsertMapToElfMaps(std::shared_ptr<DfxElfMap> map); 65 std::shared_ptr<DfxElf> GetMapElf(std::shared_ptr<DfxElfMap> map); 66 bool FindMapByPath(const std::string path, std::shared_ptr<DfxElfMap>& map) const; 67 bool FindMapByAddr(uintptr_t address, std::shared_ptr<DfxElfMap>& map) const; 68 69 std::vector<std::shared_ptr<DfxElfMap>> GetValues() const; 70 bool CheckPcIsValid(uint64_t pc) const; 71 72 private: 73 std::vector<std::shared_ptr<DfxElfMap>> maps_; 74 }; 75 } // namespace HiviewDFX 76 } // namespace OHOS 77 78 #endif 79