llvm-project/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp

48 lines
1.9 KiB
C++

//===------- SparcTargetObjectFile.cpp - Sparc Object Info Impl -----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "SparcTargetObjectFile.h"
#include "MCTargetDesc/SparcMCExpr.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/CodeGen/MachineModuleInfoImpls.h"
#include "llvm/CodeGen/TargetLowering.h"
using namespace llvm;
void SparcELFTargetObjectFile::Initialize(MCContext &Ctx,
const TargetMachine &TM) {
TargetLoweringObjectFileELF::Initialize(Ctx, TM);
InitializeELF(TM.Options.UseInitArray);
}
const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
const GlobalValue *GV, unsigned Encoding, const TargetMachine &TM,
MachineModuleInfo *MMI, MCStreamer &Streamer) const {
if (Encoding & dwarf::DW_EH_PE_pcrel) {
MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();
MCSymbol *SSym = getSymbolWithGlobalValueBase(GV, ".DW.stub", TM);
// Add information about the stub reference to ELFMMI so that the stub
// gets emitted by the asmprinter.
MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
if (!StubSym.getPointer()) {
MCSymbol *Sym = TM.getSymbol(GV);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}
MCContext &Ctx = getContext();
return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32,
MCSymbolRefExpr::create(SSym, Ctx), Ctx);
}
return TargetLoweringObjectFileELF::getTTypeGlobalReference(GV, Encoding, TM,
MMI, Streamer);
}