1 //===-- LambdaResolverMM - Redirect symbol lookup via a functor -*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // Defines a RuntimeDyld::SymbolResolver subclass that uses a user-supplied 11 // functor for symbol resolution. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H 16 #define LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H 17 18 #include "llvm/ADT/STLExtras.h" 19 #include "llvm/ExecutionEngine/RuntimeDyld.h" 20 #include <memory> 21 22 namespace llvm { 23 namespace orc { 24 25 template <typename DylibLookupFtorT, typename ExternalLookupFtorT> 26 class LambdaResolver : public JITSymbolResolver { 27 public: 28 29 LambdaResolver(DylibLookupFtorT DylibLookupFtor, 30 ExternalLookupFtorT ExternalLookupFtor) 31 : DylibLookupFtor(DylibLookupFtor), 32 ExternalLookupFtor(ExternalLookupFtor) {} 33 34 JITSymbol findSymbolInLogicalDylib(const std::string &Name) final { 35 return DylibLookupFtor(Name); 36 } 37 38 JITSymbol findSymbol(const std::string &Name) final { 39 return ExternalLookupFtor(Name); 40 } 41 42 private: 43 DylibLookupFtorT DylibLookupFtor; 44 ExternalLookupFtorT ExternalLookupFtor; 45 }; 46 47 template <typename DylibLookupFtorT, 48 typename ExternalLookupFtorT> 49 std::unique_ptr<LambdaResolver<DylibLookupFtorT, ExternalLookupFtorT>> 50 createLambdaResolver(DylibLookupFtorT DylibLookupFtor, 51 ExternalLookupFtorT ExternalLookupFtor) { 52 typedef LambdaResolver<DylibLookupFtorT, ExternalLookupFtorT> LR; 53 return make_unique<LR>(std::move(DylibLookupFtor), 54 std::move(ExternalLookupFtor)); 55 } 56 57 } // End namespace orc. 58 } // End namespace llvm. 59 60 #endif // LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H 61
