//===-- SparcMCAsmInfo.cpp - Sparc asm properties -------------------------===//

//

//                     The LLVM Compiler Infrastructure

//

// This file is distributed under the University of Illinois Open Source

// License. See LICENSE.TXT for details.

//

//===----------------------------------------------------------------------===//

//

// This file contains the declarations of the SparcMCAsmInfo properties.

//

//===----------------------------------------------------------------------===//

#include "SparcMCAsmInfo.h"

#include "SparcMCExpr.h"

#include "llvm/ADT/Triple.h"

#include "llvm/MC/MCStreamer.h"

using namespace llvm_ks;

SparcELFMCAsmInfo::SparcELFMCAsmInfo(const Triple &TheTriple) {

  bool isV9 = (TheTriple.getArch() == Triple::sparcv9);

  IsLittleEndian = (TheTriple.getArch() == Triple::sparcel);

  if (isV9) {

    PointerSize = CalleeSaveStackSlotSize = 8;

  }

  Data16bitsDirective = "\t.half\t";

  Data32bitsDirective = "\t.word\t";

  // .xword is only supported by V9.

  Data64bitsDirective = (isV9) ? "\t.xword\t" : nullptr;

  ZeroDirective = "\t.skip\t";

  CommentString = "!";

  SupportsDebugInformation = true;

  ExceptionsType = ExceptionHandling::DwarfCFI;

  SunStyleELFSectionSwitchSyntax = true;

  UsesELFSectionDirectiveForBSS = true;

  UseIntegratedAssembler = true;

}

const MCExpr*

SparcELFMCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym,

                                               unsigned Encoding,

                                               MCStreamer &Streamer) const {

  if (Encoding & dwarf::DW_EH_PE_pcrel) {

    MCContext &Ctx = Streamer.getContext();

    return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32,

                               MCSymbolRefExpr::create(Sym, Ctx), Ctx);

  }

  return MCAsmInfo::getExprForPersonalitySymbol(Sym, Encoding, Streamer);

}

const MCExpr*

SparcELFMCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym,

                                       unsigned Encoding,

                                       MCStreamer &Streamer) const {

  if (Encoding & dwarf::DW_EH_PE_pcrel) {

    MCContext &Ctx = Streamer.getContext();

    return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32,

                               MCSymbolRefExpr::create(Sym, Ctx), Ctx);

  }

  return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer);

}