71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
//===-- Mos6502MCAsmInfo.cpp - Mos6502 asm properties -------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the declarations of the Mos6502MCAsmInfo properties.
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//
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//===----------------------------------------------------------------------===//
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#include "Mos6502MCAsmInfo.h"
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#include "Mos6502MCExpr.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/MC/MCStreamer.h"
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using namespace llvm;
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void Mos6502ELFMCAsmInfo::anchor() {}
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Mos6502ELFMCAsmInfo::Mos6502ELFMCAsmInfo(const Triple &TheTriple) {
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bool isV9 = false;
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IsLittleEndian = true;
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if (isV9) {
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PointerSize = 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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UseIntegratedAssembler = true;
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}
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const MCExpr*
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Mos6502ELFMCAsmInfo::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 Mos6502MCExpr::create(Mos6502MCExpr::VK_Mos6502_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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Mos6502ELFMCAsmInfo::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 Mos6502MCExpr::create(Mos6502MCExpr::VK_Mos6502_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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