1 //===------- SparcTargetObjectFile.cpp - Sparc Object Info Impl -----------===// 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 "SparcTargetObjectFile.h" 11 #include "MCTargetDesc/SparcMCExpr.h" 12 #include "llvm/BinaryFormat/Dwarf.h" 13 #include "llvm/CodeGen/MachineModuleInfoImpls.h" 14 #include "llvm/CodeGen/TargetLowering.h" 15 16 using namespace llvm; 17 18 void SparcELFTargetObjectFile::Initialize(MCContext &Ctx, 19 const TargetMachine &TM) { 20 TargetLoweringObjectFileELF::Initialize(Ctx, TM); 21 InitializeELF(TM.Options.UseInitArray); 22 } 23 24 const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference( 25 const GlobalValue *GV, unsigned Encoding, const TargetMachine &TM, 26 MachineModuleInfo *MMI, MCStreamer &Streamer) const { 27 28 if (Encoding & dwarf::DW_EH_PE_pcrel) { 29 MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>(); 30 31 MCSymbol *SSym = getSymbolWithGlobalValueBase(GV, ".DW.stub", TM); 32 33 // Add information about the stub reference to ELFMMI so that the stub 34 // gets emitted by the asmprinter. 35 MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym); 36 if (!StubSym.getPointer()) { 37 MCSymbol *Sym = TM.getSymbol(GV); 38 StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage()); 39 } 40 41 MCContext &Ctx = getContext(); 42 return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32, 43 MCSymbolRefExpr::create(SSym, Ctx), Ctx); 44 } 45 46 return TargetLoweringObjectFileELF::getTTypeGlobalReference(GV, Encoding, TM, 47 MMI, Streamer); 48 } 49