1 /* 2 * Copyright (c) 2021 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 #ifndef PRINTK_FORMAT_PARSER_H 16 #define PRINTK_FORMAT_PARSER_H 17 18 #include <string> 19 #include <unordered_map> // for std::unordered_map 20 #include "ftrace_namespace.h" 21 22 FTRACE_NS_BEGIN 23 class PrintkFormatsParser { 24 public: 25 static PrintkFormatsParser& GetInstance(); 26 27 std::string GetSymbol(uint64_t addr); 28 29 bool Parse(const std::string& printkFormats); 30 31 private: 32 PrintkFormatsParser(); 33 ~PrintkFormatsParser(); 34 DISALLOW_COPY_AND_MOVE(PrintkFormatsParser); 35 std::unordered_map<uint64_t, std::string> printkFormats_ = {}; 36 }; 37 FTRACE_NS_END 38 39 #endif // PRINTK_FORMAT_PARSER_H 40