1 //===------- Legacy.cpp - Adapters for ExecutionEngine API interop --------===// 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 #include "llvm/ExecutionEngine/Orc/Legacy.h" 11 12 namespace llvm { 13 namespace orc { 14 15 void SymbolResolver::anchor() {} 16 17 JITSymbolResolverAdapter::JITSymbolResolverAdapter( 18 ExecutionSession &ES, SymbolResolver &R, MaterializationResponsibility *MR) 19 : ES(ES), R(R), MR(MR) {} 20 21 Expected<JITSymbolResolverAdapter::LookupResult> 22 JITSymbolResolverAdapter::lookup(const LookupSet &Symbols) { 23 SymbolNameSet InternedSymbols; 24 for (auto &S : Symbols) 25 InternedSymbols.insert(ES.getSymbolStringPool().intern(S)); 26 27 auto LookupFn = [&, this](std::shared_ptr<AsynchronousSymbolQuery> Q, 28 SymbolNameSet Unresolved) { 29 return R.lookup(std::move(Q), std::move(Unresolved)); 30 }; 31 32 auto RegisterDependencies = [&](const SymbolDependenceMap &Deps) { 33 if (MR) 34 MR->addDependenciesForAll(Deps); 35 }; 36 37 auto InternedResult = 38 ES.legacyLookup(ES, std::move(LookupFn), std::move(InternedSymbols), 39 false, RegisterDependencies); 40 41 if (!InternedResult) 42 return InternedResult.takeError(); 43 44 JITSymbolResolver::LookupResult Result; 45 for (auto &KV : *InternedResult) 46 Result[*KV.first] = KV.second; 47 48 return Result; 49 } 50 51 Expected<JITSymbolResolverAdapter::LookupFlagsResult> 52 JITSymbolResolverAdapter::lookupFlags(const LookupSet &Symbols) { 53 SymbolNameSet InternedSymbols; 54 for (auto &S : Symbols) 55 InternedSymbols.insert(ES.getSymbolStringPool().intern(S)); 56 57 SymbolFlagsMap SymbolFlags = R.lookupFlags(InternedSymbols); 58 LookupFlagsResult Result; 59 for (auto &KV : SymbolFlags) { 60 ResolvedStrings.insert(KV.first); 61 Result[*KV.first] = KV.second; 62 } 63 64 return Result; 65 } 66 67 } // End namespace orc. 68 } // End namespace llvm. 69
