1 /* 2 * Copyright (c) 2023 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 "dfx_elf.h" 22 23 namespace OHOS { 24 namespace HiviewDFX { 25 struct DfxElfMap { 26 static std::shared_ptr<DfxElfMap> Create(const std::string mapBuf, int size); 27 static void PermsToProts(const std::string perms, uint64_t& flags); 28 29 bool IsValidPath(); 30 std::string PrintMap(); 31 uint64_t GetRelPc(uint64_t pc); 32 uint32_t GetPcAdjustment(uint64_t pc); 33 34 uint64_t begin = 0; 35 uint64_t end = 0; 36 uint64_t offset = 0; 37 uint64_t prots = 0; 38 std::string perms = ""; // 5:rwxp 39 std::string path = ""; 40 std::shared_ptr<DfxElf> elf = nullptr; 41 }; 42 43 class DfxElfMaps { 44 public: 45 DfxElfMaps() = default; 46 ~DfxElfMaps() = default; 47 static std::shared_ptr<DfxElfMaps> Create(pid_t pid); 48 static std::shared_ptr<DfxElfMaps> CreateFromLocal(); 49 static std::shared_ptr<DfxElfMaps> Create(const std::string path); 50 static std::shared_ptr<DfxElfMaps> Create(const char* buffer); 51 52 void AddMap(std::shared_ptr<DfxElfMap> map); 53 bool FindMapByAddr(uintptr_t address, std::shared_ptr<DfxElfMap>& map) const; 54 const std::vector<std::shared_ptr<DfxElfMap>>& GetMaps() const; 55 56 void Sort(bool less = true); 57 private: 58 std::vector<std::shared_ptr<DfxElfMap>> maps_; 59 }; 60 } // namespace HiviewDFX 61 } // namespace OHOS 62 63 #endif 64