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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/TargetLowering.h"
15 
16 using namespace llvm;
17 
getTTypeGlobalReference(const GlobalValue * GV,unsigned Encoding,Mangler & Mang,const TargetMachine & TM,MachineModuleInfo * MMI,MCStreamer & Streamer) const18 const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
19     const GlobalValue *GV, unsigned Encoding, Mangler &Mang,
20     const TargetMachine &TM, MachineModuleInfo *MMI,
21     MCStreamer &Streamer) const {
22 
23   if (Encoding & dwarf::DW_EH_PE_pcrel) {
24     MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();
25 
26     MCSymbol *SSym = getSymbolWithGlobalValueBase(GV, ".DW.stub", Mang, TM);
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()) {
32       MCSymbol *Sym = TM.getSymbol(GV, Mang);
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::getTTypeGlobalReference(
42       GV, Encoding, Mang, TM, MMI, Streamer);
43 }
44