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/CodeGen/MachineModuleInfoImpls.h"
13 #include "llvm/Support/Dwarf.h"
14 
15 using namespace llvm;
16 
17 const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
18     const GlobalValue *GV, unsigned Encoding, Mangler &Mang,
19     MachineModuleInfo *MMI, MCStreamer &Streamer) const {
20 
21   if (Encoding & dwarf::DW_EH_PE_pcrel) {
22     MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();
23 
24     MCSymbol *SSym = getSymbolWithGlobalValueBase(GV, ".DW.stub", Mang);
25 
26     // Add information about the stub reference to ELFMMI so that the stub
27     // gets emitted by the asmprinter.
28     MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
29     if (StubSym.getPointer() == 0) {
30       MCSymbol *Sym = getSymbol(GV, Mang);
31       StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
32     }
33 
34     MCContext &Ctx = getContext();
35     return SparcMCExpr::Create(SparcMCExpr::VK_Sparc_R_DISP32,
36                                MCSymbolRefExpr::Create(SSym, Ctx), Ctx);
37   }
38 
39   return TargetLoweringObjectFileELF::getTTypeGlobalReference(
40       GV, Encoding, Mang, MMI, Streamer);
41 }
42