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