1 /* 2 * Copyright 2013, 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 #ifndef BCC_EXECUTION_ENGINE_COMPILER_RT_SYMBOL_RESOLVERS_H 18 #define BCC_EXECUTION_ENGINE_COMPILER_RT_SYMBOL_RESOLVERS_H 19 20 #include "bcc/ExecutionEngine/SymbolResolvers.h" 21 22 namespace bcc { 23 24 class CompilerRTSymbolResolver : public DyldSymbolResolver { 25 public: CompilerRTSymbolResolver()26 CompilerRTSymbolResolver() : 27 DyldSymbolResolver("/system/lib/libcompiler_rt.so") { } 28 getAddress(const char * pName)29 virtual void *getAddress(const char *pName) { 30 // Compiler runtime functions are always prefixed by "__" 31 if (pName && (pName[0] == '_') && (pName[1] == '_')) { 32 return DyldSymbolResolver::getAddress(pName); 33 } else { 34 return NULL; 35 } 36 } 37 }; 38 39 } // end namespace bcc 40 41 #endif // BCC_EXECUTION_ENGINE_COMPILER_RT_SYMBOL_RESOLVERS_H 42