Differential D84765 Diff 283946 llvm/lib/MC/MCContext.cpp

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llvm/lib/MC/MCContext.cpp

Show First 20 Lines • Show All 656 Lines • ▼ Show 20 Lines	MCSectionWasm *MCContext::getWasmSection(const Twine &Section, SectionKind Kind,
Begin->setFragment(F);		Begin->setFragment(F);

return Result;		return Result;
}		}

MCSectionXCOFF *MCContext::getXCOFFSection(StringRef Section,		MCSectionXCOFF *MCContext::getXCOFFSection(StringRef Section,
XCOFF::StorageMappingClass SMC,		XCOFF::StorageMappingClass SMC,
XCOFF::SymbolType Type,		XCOFF::SymbolType Type,
XCOFF::StorageClass SC,
SectionKind Kind,		SectionKind Kind,
const char *BeginSymName) {		const char *BeginSymName) {
// Do the lookup. If we have a hit, return it.		// Do the lookup. If we have a hit, return it.
auto IterBool = XCOFFUniquingMap.insert(		auto IterBool = XCOFFUniquingMap.insert(
std::make_pair(XCOFFSectionKey{Section.str(), SMC}, nullptr));		std::make_pair(XCOFFSectionKey{Section.str(), SMC}, nullptr));
auto &Entry = *IterBool.first;		auto &Entry = *IterBool.first;
if (!IterBool.second)		if (!IterBool.second)
return Entry.second;		return Entry.second;

// Otherwise, return a new section.		// Otherwise, return a new section.
StringRef CachedName = Entry.first.SectionName;		StringRef CachedName = Entry.first.SectionName;
MCSymbolXCOFF *QualName = cast<MCSymbolXCOFF>(getOrCreateSymbol(		MCSymbolXCOFF *QualName = cast<MCSymbolXCOFF>(getOrCreateSymbol(
CachedName + "[" + XCOFF::getMappingClassString(SMC) + "]"));		CachedName + "[" + XCOFF::getMappingClassString(SMC) + "]"));

MCSymbol *Begin = nullptr;		MCSymbol *Begin = nullptr;
if (BeginSymName)		if (BeginSymName)
Begin = createTempSymbol(BeginSymName, false);		Begin = createTempSymbol(BeginSymName, false);

// QualName->getUnqualifiedName() and CachedName are the same except when		// QualName->getUnqualifiedName() and CachedName are the same except when
// CachedName contains invalid character(s) such as '$' for an XCOFF symbol.		// CachedName contains invalid character(s) such as '$' for an XCOFF symbol.
MCSectionXCOFF *Result = new (XCOFFAllocator.Allocate())		MCSectionXCOFF *Result = new (XCOFFAllocator.Allocate())
MCSectionXCOFF(QualName->getUnqualifiedName(), SMC, Type, SC, Kind,		MCSectionXCOFF(QualName->getUnqualifiedName(), SMC, Type, Kind, QualName,
QualName, Begin, CachedName);		Begin, CachedName);
Entry.second = Result;		Entry.second = Result;

auto *F = new MCDataFragment();		auto *F = new MCDataFragment();
Result->getFragmentList().insert(Result->begin(), F);		Result->getFragmentList().insert(Result->begin(), F);
F->setParent(Result);		F->setParent(Result);

if (Begin)		if (Begin)
Begin->setFragment(F);		Begin->setFragment(F);
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