1 /* 2 * Copyright (C) 2018 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 <mutex> 23 #include <string> 24 #include <unordered_map> 25 #include <vector> 26 27 #include <unwindstack/Elf.h> 28 #include <unwindstack/Memory.h> 29 30 namespace unwindstack { 31 32 // Forward declarations. 33 class Maps; 34 class MapInfo; 35 36 class Global { 37 public: 38 explicit Global(std::shared_ptr<Memory>& memory); 39 Global(std::shared_ptr<Memory>& memory, std::vector<std::string>& search_libs); 40 virtual ~Global() = default; 41 42 void SetArch(ArchEnum arch); 43 arch()44 ArchEnum arch() { return arch_; } 45 46 protected: 47 bool Searchable(const std::string& name); 48 void FindAndReadVariable(Maps* maps, const char* variable); 49 50 virtual bool ReadVariableData(uint64_t offset) = 0; 51 52 virtual void ProcessArch() = 0; 53 54 ArchEnum arch_ = ARCH_UNKNOWN; 55 56 std::shared_ptr<Memory> memory_; 57 std::vector<std::string> search_libs_; 58 }; 59 60 } // namespace unwindstack 61