1 //===------- SparcTargetObjectFile.cpp - Sparc Object Info Impl -----------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "SparcTargetObjectFile.h" 10 #include "MCTargetDesc/SparcMCExpr.h" 11 #include "llvm/BinaryFormat/Dwarf.h" 12 #include "llvm/CodeGen/MachineModuleInfoImpls.h" 13 #include "llvm/CodeGen/TargetLowering.h" 14 #include "llvm/Target/TargetMachine.h" 15 16 using namespace llvm; 17 18 void SparcELFTargetObjectFile::Initialize(MCContext &Ctx, 19 const TargetMachine &TM) { 20 TargetLoweringObjectFileELF::Initialize(Ctx, TM); 21 } 22 23 const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference( 24 const GlobalValue *GV, unsigned Encoding, const TargetMachine &TM, 25 MachineModuleInfo *MMI, MCStreamer &Streamer) const { 26 27 if (Encoding & dwarf::DW_EH_PE_pcrel) { 28 MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>(); 29 30 MCSymbol *SSym = getSymbolWithGlobalValueBase(GV, ".DW.stub", TM); 31 32 // Add information about the stub reference to ELFMMI so that the stub 33 // gets emitted by the asmprinter. 34 MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym); 35 if (!StubSym.getPointer()) { 36 MCSymbol *Sym = TM.getSymbol(GV); 37 StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage()); 38 } 39 40 MCContext &Ctx = getContext(); 41 return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32, 42 MCSymbolRefExpr::create(SSym, Ctx), Ctx); 43 } 44 45 return TargetLoweringObjectFileELF::getTTypeGlobalReference(GV, Encoding, TM, 46 MMI, Streamer); 47 } 48