mirror of
https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78576 91177308-0d34-0410-b5e6-96231b3b80d8
145 lines
4.1 KiB
C++
145 lines
4.1 KiB
C++
//===- lib/MC/MCSection.cpp - Machine Code Section Representation ---------===//
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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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#include "llvm/MC/MCSection.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/Target/TargetAsmInfo.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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//===----------------------------------------------------------------------===//
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// MCSection
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//===----------------------------------------------------------------------===//
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MCSection::~MCSection() {
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}
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//===----------------------------------------------------------------------===//
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// MCSectionELF
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//===----------------------------------------------------------------------===//
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MCSectionELF *MCSectionELF::
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Create(const StringRef &Name, bool IsDirective, SectionKind K, MCContext &Ctx) {
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return new (Ctx) MCSectionELF(Name, IsDirective, K, Ctx);
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}
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MCSectionELF::MCSectionELF(const StringRef &name, bool isDirective,
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SectionKind K, MCContext &Ctx)
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: MCSection(K), Name(name), IsDirective(isDirective) {
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Ctx.SetSection(Name, this);
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}
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void MCSectionELF::PrintSwitchToSection(const TargetAsmInfo &TAI,
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raw_ostream &OS) const {
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if (isDirective()) {
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OS << getName() << '\n';
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return;
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}
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OS << "\t.section\t" << getName();
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// Handle the weird solaris syntax if desired.
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if (TAI.usesSunStyleELFSectionSwitchSyntax() &&
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!getKind().isMergeableConst() && !getKind().isMergeableCString()) {
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if (!getKind().isMetadata())
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OS << ",#alloc";
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if (getKind().isText())
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OS << ",#execinstr";
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if (getKind().isWriteable())
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OS << ",#write";
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if (getKind().isThreadLocal())
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OS << ",#tls";
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} else {
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OS << ",\"";
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if (!getKind().isMetadata())
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OS << 'a';
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if (getKind().isText())
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OS << 'x';
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if (getKind().isWriteable())
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OS << 'w';
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if (getKind().isMergeable1ByteCString() ||
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getKind().isMergeable2ByteCString() ||
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getKind().isMergeable4ByteCString() ||
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getKind().isMergeableConst4() ||
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getKind().isMergeableConst8() ||
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getKind().isMergeableConst16())
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OS << 'M';
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if (getKind().isMergeable1ByteCString() ||
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getKind().isMergeable2ByteCString() ||
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getKind().isMergeable4ByteCString())
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OS << 'S';
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if (getKind().isThreadLocal())
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OS << 'T';
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OS << "\",";
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// If comment string is '@', e.g. as on ARM - use '%' instead
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if (TAI.getCommentString()[0] == '@')
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OS << '%';
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else
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OS << '@';
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if (getKind().isBSS() || getKind().isThreadBSS())
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OS << "nobits";
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else
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OS << "progbits";
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if (getKind().isMergeable1ByteCString()) {
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OS << ",1";
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} else if (getKind().isMergeable2ByteCString()) {
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OS << ",2";
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} else if (getKind().isMergeable4ByteCString()) {
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OS << ",4";
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} else if (getKind().isMergeableConst4()) {
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OS << ",4";
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} else if (getKind().isMergeableConst8()) {
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OS << ",8";
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} else if (getKind().isMergeableConst16()) {
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OS << ",16";
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}
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}
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OS << '\n';
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}
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//===----------------------------------------------------------------------===//
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// MCSectionCOFF
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//===----------------------------------------------------------------------===//
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MCSectionCOFF *MCSectionCOFF::
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Create(const StringRef &Name, bool IsDirective, SectionKind K, MCContext &Ctx) {
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return new (Ctx) MCSectionCOFF(Name, IsDirective, K, Ctx);
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}
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MCSectionCOFF::MCSectionCOFF(const StringRef &name, bool isDirective,
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SectionKind K, MCContext &Ctx)
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: MCSection(K), Name(name), IsDirective(isDirective) {
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Ctx.SetSection(Name, this);
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}
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void MCSectionCOFF::PrintSwitchToSection(const TargetAsmInfo &TAI,
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raw_ostream &OS) const {
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if (isDirective()) {
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OS << getName() << '\n';
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return;
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}
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OS << "\t.section\t" << getName() << ",\"";
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if (getKind().isText())
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OS << 'x';
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if (getKind().isWriteable())
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OS << 'w';
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OS << "\"\n";
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}
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