71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
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//===- SparcMCAsmInfo.cpp - Sparc asm properties --------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the declarations of the SparcMCAsmInfo properties.
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//
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//===----------------------------------------------------------------------===//
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#include "SparcMCAsmInfo.h"
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#include "SparcMCExpr.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/BinaryFormat/Dwarf.h"
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#include "llvm/MC/MCExpr.h"
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#include "llvm/MC/MCStreamer.h"
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#include "llvm/MC/MCTargetOptions.h"
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using namespace llvm;
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void SparcELFMCAsmInfo::anchor() {}
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SparcELFMCAsmInfo::SparcELFMCAsmInfo(const Triple &TheTriple) {
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bool isV9 = (TheTriple.getArch() == Triple::sparcv9);
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IsLittleEndian = (TheTriple.getArch() == Triple::sparcel);
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if (isV9) {
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CodePointerSize = CalleeSaveStackSlotSize = 8;
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}
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Data16bitsDirective = "\t.half\t";
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Data32bitsDirective = "\t.word\t";
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// .xword is only supported by V9.
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Data64bitsDirective = (isV9) ? "\t.xword\t" : nullptr;
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ZeroDirective = "\t.skip\t";
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CommentString = "!";
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SupportsDebugInformation = true;
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ExceptionsType = ExceptionHandling::DwarfCFI;
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SunStyleELFSectionSwitchSyntax = true;
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UsesELFSectionDirectiveForBSS = true;
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}
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const MCExpr*
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SparcELFMCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym,
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unsigned Encoding,
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MCStreamer &Streamer) const {
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if (Encoding & dwarf::DW_EH_PE_pcrel) {
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MCContext &Ctx = Streamer.getContext();
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return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32,
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MCSymbolRefExpr::create(Sym, Ctx), Ctx);
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}
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return MCAsmInfo::getExprForPersonalitySymbol(Sym, Encoding, Streamer);
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}
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const MCExpr*
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SparcELFMCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym,
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unsigned Encoding,
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MCStreamer &Streamer) const {
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if (Encoding & dwarf::DW_EH_PE_pcrel) {
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MCContext &Ctx = Streamer.getContext();
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return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32,
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MCSymbolRefExpr::create(Sym, Ctx), Ctx);
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}
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return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer);
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}
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