/* * Copyright (C) 2016 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef _LIBUNWINDSTACK_SYMBOLS_H #define _LIBUNWINDSTACK_SYMBOLS_H #include <stdint.h> #include <string> #include <vector> namespace unwindstack { // Forward declaration. class Memory; class Symbols { struct Info { Info(uint64_t start_offset, uint64_t end_offset, uint64_t str_offset) : start_offset(start_offset), end_offset(end_offset), str_offset(str_offset) {} uint64_t start_offset; uint64_t end_offset; uint64_t str_offset; }; public: Symbols(uint64_t offset, uint64_t size, uint64_t entry_size, uint64_t str_offset, uint64_t str_size); virtual ~Symbols() = default; const Info* GetInfoFromCache(uint64_t addr); template <typename SymType> bool GetName(uint64_t addr, uint64_t load_bias, Memory* elf_memory, std::string* name, uint64_t* func_offset); template <typename SymType> bool GetGlobal(Memory* elf_memory, const std::string& name, uint64_t* memory_address); void ClearCache() { symbols_.clear(); cur_offset_ = offset_; } private: uint64_t cur_offset_; uint64_t offset_; uint64_t end_; uint64_t entry_size_; uint64_t str_offset_; uint64_t str_end_; std::vector<Info> symbols_; }; } // namespace unwindstack #endif // _LIBUNWINDSTACK_SYMBOLS_H