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//===- SparcMCAsmInfo.cpp - Sparc asm properties --------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains the declarations of the SparcMCAsmInfo properties.
//
//===----------------------------------------------------------------------===//
#include "SparcMCAsmInfo.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCTargetOptions.h"
#include "llvm/TargetParser/Triple.h"
using namespace llvm;
void SparcELFMCAsmInfo::anchor() {}
SparcELFMCAsmInfo::SparcELFMCAsmInfo(const Triple &TheTriple) {
bool isV9 = (TheTriple.getArch() == Triple::sparcv9);
IsLittleEndian = (TheTriple.getArch() == Triple::sparcel);
if (isV9) {
CodePointerSize = 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;
UsesELFSectionDirectiveForBSS = 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 MCSpecifierExpr::create(Sym, ELF::R_SPARC_DISP32, 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 MCSpecifierExpr::create(Sym, ELF::R_SPARC_DISP32, Ctx);
}
return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer);
}
void SparcELFMCAsmInfo::printSpecifierExpr(raw_ostream &OS,
const MCSpecifierExpr &Expr) const {
StringRef S = Sparc::getSpecifierName(Expr.getSpecifier());
if (!S.empty())
OS << '%' << S << '(';
printExpr(OS, *Expr.getSubExpr());
if (!S.empty())
OS << ')';
}
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