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annotate lib/Target/Sparc/SparcTargetObjectFile.cpp @ 77:54457678186b LLVM3.6

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
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children afa8332a0e37
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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/CodeGen/MachineModuleInfoImpls.h"
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13 #include "llvm/Support/Dwarf.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 const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
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19 const GlobalValue *GV, unsigned Encoding, Mangler &Mang,
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20 const TargetMachine &TM, MachineModuleInfo *MMI,
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21 MCStreamer &Streamer) const {
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22
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23 if (Encoding & dwarf::DW_EH_PE_pcrel) {
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24 MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();
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25
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26 MCSymbol *SSym = getSymbolWithGlobalValueBase(GV, ".DW.stub", Mang, TM);
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27
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28 // Add information about the stub reference to ELFMMI so that the stub
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29 // gets emitted by the asmprinter.
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30 MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
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31 if (!StubSym.getPointer()) {
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32 MCSymbol *Sym = TM.getSymbol(GV, Mang);
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33 StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
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34 }
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35
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36 MCContext &Ctx = getContext();
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37 return SparcMCExpr::Create(SparcMCExpr::VK_Sparc_R_DISP32,
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38 MCSymbolRefExpr::Create(SSym, Ctx), Ctx);
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39 }
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40
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41 return TargetLoweringObjectFileELF::getTTypeGlobalReference(
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42 GV, Encoding, Mang, TM, MMI, Streamer);
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43 }