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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 #include "llvm/Target/Mangler.h"
15
16 using namespace llvm;
17
18
19 const MCExpr *SparcELFTargetObjectFile::
20 getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
21                         MachineModuleInfo *MMI, unsigned Encoding,
22                         MCStreamer &Streamer) const {
23
24   if (Encoding & dwarf::DW_EH_PE_pcrel) {
25     MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();
26
27     //MCSymbol *SSym = getSymbolWithGlobalValueBase(*Mang, GV, ".DW.stub");
28     SmallString<60> NameStr;
29     Mang->getNameWithPrefix(NameStr, GV, true);
30     NameStr.append(".DW.stub");
31     MCSymbol *SSym = getContext().GetOrCreateSymbol(NameStr.str());
32
33     // Add information about the stub reference to ELFMMI so that the stub
34     // gets emitted by the asmprinter.
35     MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
36     if (StubSym.getPointer() == 0) {
37       MCSymbol *Sym = getSymbol(*Mang, GV);
38       StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
39     }
40
41     MCContext &Ctx = getContext();
42     return SparcMCExpr::Create(SparcMCExpr::VK_Sparc_R_DISP32,
43                                MCSymbolRefExpr::Create(SSym, Ctx), Ctx);
44   }
45
46   return TargetLoweringObjectFileELF::
47     getTTypeGlobalReference(GV, Mang, MMI, Encoding, Streamer);
48 }