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