contrib/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp

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