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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238170 91177308-0d34-0410-b5e6-96231b3b80d8
80 lines
2.4 KiB
C++
80 lines
2.4 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/MCAssembler.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCSymbol.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(SectionVariant V, SectionKind K, MCSymbol *Begin)
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: Begin(Begin), HasInstructions(false), Data(*this), Variant(V), Kind(K) {}
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MCSymbol *MCSection::getEndSymbol(MCContext &Ctx) {
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if (!End)
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End = Ctx.createTempSymbol("sec_end", true);
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return End;
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}
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bool MCSection::hasEnded() const { return End && End->isInSection(); }
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MCSection::~MCSection() {
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}
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void MCSection::setBundleLockState(BundleLockStateType NewState) {
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if (NewState == NotBundleLocked) {
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if (BundleLockNestingDepth == 0) {
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report_fatal_error("Mismatched bundle_lock/unlock directives");
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}
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if (--BundleLockNestingDepth == 0) {
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BundleLockState = NotBundleLocked;
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}
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return;
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}
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// If any of the directives is an align_to_end directive, the whole nested
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// group is align_to_end. So don't downgrade from align_to_end to just locked.
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if (BundleLockState != BundleLockedAlignToEnd) {
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BundleLockState = NewState;
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}
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++BundleLockNestingDepth;
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}
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MCSectionData::iterator MCSection::begin() { return Data.begin(); }
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MCSectionData::iterator MCSection::end() { return Data.end(); }
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MCSectionData::reverse_iterator MCSection::rbegin() { return Data.rbegin(); }
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MCSectionData::FragmentListType &MCSection::getFragmentList() {
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return Data.getFragmentList();
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}
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MCSectionData::iterator MCSectionData::begin() { return Fragments.begin(); }
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MCSectionData::iterator MCSectionData::end() { return Fragments.end(); }
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MCSectionData::reverse_iterator MCSectionData::rbegin() {
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return Fragments.rbegin();
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}
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MCSectionData::reverse_iterator MCSectionData::rend() {
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return Fragments.rend();
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}
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size_t MCSectionData::size() const { return Fragments.size(); }
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bool MCSectionData::empty() const { return Fragments.empty(); }
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