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
16using namespace llvm;
17
18const 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