#include "llvm/Support/ELF.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
using namespace llvm;
using namespace dwarf;
const GlobalValue *GV, Mangler &Mang, const TargetMachine &TM,
MachineModuleInfo *MMI) const {
unsigned Encoding = getPersonalityEncoding();
- switch (Encoding & 0x70) {
- default:
- report_fatal_error("We do not support this DWARF encoding yet!");
- case dwarf::DW_EH_PE_absptr:
- return TM.getTargetLowering()->getSymbol(GV, Mang);
- case dwarf::DW_EH_PE_pcrel: {
+ if ((Encoding & 0x80) == dwarf::DW_EH_PE_indirect)
return getContext().GetOrCreateSymbol(StringRef("DW.ref.") +
- TM.getTargetLowering()->getSymbol(GV, Mang)->getName());
- }
- }
+ TM.getSymbol(GV, Mang)->getName());
+ if ((Encoding & 0x70) == dwarf::DW_EH_PE_absptr)
+ return TM.getSymbol(GV, Mang);
+ report_fatal_error("We do not support this DWARF encoding yet!");
}
void TargetLoweringObjectFileELF::emitPersonalityValue(MCStreamer &Streamer,
Flags,
SectionKind::getDataRel(),
0, Label->getName());
- unsigned Size = TM.getDataLayout()->getPointerSize();
+ unsigned Size = TM.getSubtargetImpl()->getDataLayout()->getPointerSize();
Streamer.SwitchSection(Sec);
- Streamer.EmitValueToAlignment(TM.getDataLayout()->getPointerABIAlignment());
+ Streamer.EmitValueToAlignment(
+ TM.getSubtargetImpl()->getDataLayout()->getPointerABIAlignment());
Streamer.EmitSymbolAttribute(Label, MCSA_ELF_TypeObject);
const MCExpr *E = MCConstantExpr::Create(Size, getContext());
Streamer.EmitELFSize(Label, E);
// Add information about the stub reference to ELFMMI so that the stub
// gets emitted by the asmprinter.
MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
- if (StubSym.getPointer() == 0) {
- MCSymbol *Sym = TM.getTargetLowering()->getSymbol(GV, Mang);
+ if (!StubSym.getPointer()) {
+ MCSymbol *Sym = TM.getSymbol(GV, Mang);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}
return Flags;
}
+static const Comdat *getELFComdat(const GlobalValue *GV) {
+ const Comdat *C = GV->getComdat();
+ if (!C)
+ return nullptr;
+
+ if (C->getSelectionKind() != Comdat::Any)
+ report_fatal_error("ELF COMDATs only support SelectionKind::Any, '" +
+ C->getName() + "' cannot be lowered.");
+
+ return C;
+}
+
const MCSection *TargetLoweringObjectFileELF::getExplicitSectionGlobal(
const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
const TargetMachine &TM) const {
// Infer section flags from the section name if we can.
Kind = getELFKindForNamedSection(SectionName, Kind);
+ StringRef Group = "";
+ unsigned Flags = getELFSectionFlags(Kind);
+ if (const Comdat *C = getELFComdat(GV)) {
+ Group = C->getName();
+ Flags |= ELF::SHF_GROUP;
+ }
return getContext().getELFSection(SectionName,
- getELFSectionType(SectionName, Kind),
- getELFSectionFlags(Kind), Kind);
+ getELFSectionType(SectionName, Kind), Flags,
+ Kind, /*EntrySize=*/0, Group);
}
/// getSectionPrefixForGlobal - Return the section prefix name used by options
/// FunctionsSections and DataSections.
-static const char *getSectionPrefixForGlobal(SectionKind Kind) {
+static StringRef getSectionPrefixForGlobal(SectionKind Kind) {
if (Kind.isText()) return ".text.";
if (Kind.isReadOnly()) return ".rodata.";
if (Kind.isBSS()) return ".bss.";
return ".data.rel.ro.";
}
-
const MCSection *TargetLoweringObjectFileELF::
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler &Mang, const TargetMachine &TM) const {
// If this global is linkonce/weak and the target handles this by emitting it
// into a 'uniqued' section name, create and return the section now.
- if ((GV->isWeakForLinker() || EmitUniquedSection) &&
+ if ((GV->isWeakForLinker() || EmitUniquedSection || GV->hasComdat()) &&
!Kind.isCommon()) {
- const char *Prefix;
- Prefix = getSectionPrefixForGlobal(Kind);
+ StringRef Prefix = getSectionPrefixForGlobal(Kind);
+
+ SmallString<128> Name(Prefix);
+ TM.getNameWithPrefix(Name, GV, Mang, true);
- SmallString<128> Name(Prefix, Prefix+strlen(Prefix));
- MCSymbol *Sym = TM.getTargetLowering()->getSymbol(GV, Mang);
- Name.append(Sym->getName().begin(), Sym->getName().end());
StringRef Group = "";
unsigned Flags = getELFSectionFlags(Kind);
- if (GV->isWeakForLinker()) {
- Group = Sym->getName();
+ if (GV->isWeakForLinker() || GV->hasComdat()) {
+ if (const Comdat *C = getELFComdat(GV))
+ Group = C->getName();
+ else
+ Group = Name.substr(Prefix.size());
Flags |= ELF::SHF_GROUP;
}
// FIXME: this is getting the alignment of the character, not the
// alignment of the global!
unsigned Align =
- TM.getDataLayout()->getPreferredAlignment(cast<GlobalVariable>(GV));
+ TM.getSubtargetImpl()->getDataLayout()->getPreferredAlignment(
+ cast<GlobalVariable>(GV));
const char *SizeSpec = ".rodata.str1.";
if (Kind.isMergeable2ByteCString())
/// getSectionForConstant - Given a mergeable constant with the
/// specified size and relocation information, return a section that it
/// should be placed in.
-const MCSection *TargetLoweringObjectFileELF::
-getSectionForConstant(SectionKind Kind) const {
+const MCSection *
+TargetLoweringObjectFileELF::getSectionForConstant(SectionKind Kind,
+ const Constant *C) const {
if (Kind.isMergeableConst4() && MergeableConst4Section)
return MergeableConst4Section;
if (Kind.isMergeableConst8() && MergeableConst8Section)
return DataRelROSection;
}
-const MCSection *
-TargetLoweringObjectFileELF::getStaticCtorSection(unsigned Priority) const {
- // The default scheme is .ctor / .dtor, so we have to invert the priority
- // numbering.
- if (Priority == 65535)
- return StaticCtorSection;
+static const MCSectionELF *getStaticStructorSection(MCContext &Ctx,
+ bool UseInitArray,
+ bool IsCtor,
+ unsigned Priority,
+ const MCSymbol *KeySym) {
+ std::string Name;
+ unsigned Type;
+ unsigned Flags = ELF::SHF_ALLOC | ELF::SHF_WRITE;
+ SectionKind Kind = SectionKind::getDataRel();
+ StringRef COMDAT = KeySym ? KeySym->getName() : "";
+
+ if (KeySym)
+ Flags |= ELF::SHF_GROUP;
if (UseInitArray) {
- std::string Name = std::string(".init_array.") + utostr(Priority);
- return getContext().getELFSection(Name, ELF::SHT_INIT_ARRAY,
- ELF::SHF_ALLOC | ELF::SHF_WRITE,
- SectionKind::getDataRel());
+ if (IsCtor) {
+ Type = ELF::SHT_INIT_ARRAY;
+ Name = ".init_array";
+ } else {
+ Type = ELF::SHT_FINI_ARRAY;
+ Name = ".fini_array";
+ }
+ if (Priority != 65535) {
+ Name += '.';
+ Name += utostr(Priority);
+ }
} else {
- std::string Name = std::string(".ctors.") + utostr(65535 - Priority);
- return getContext().getELFSection(Name, ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_WRITE,
- SectionKind::getDataRel());
+ // The default scheme is .ctor / .dtor, so we have to invert the priority
+ // numbering.
+ if (IsCtor)
+ Name = ".ctors";
+ else
+ Name = ".dtors";
+ if (Priority != 65535) {
+ Name += '.';
+ Name += utostr(65535 - Priority);
+ }
+ Type = ELF::SHT_PROGBITS;
}
+
+ return Ctx.getELFSection(Name, Type, Flags, Kind, 0, COMDAT);
}
-const MCSection *
-TargetLoweringObjectFileELF::getStaticDtorSection(unsigned Priority) const {
- // The default scheme is .ctor / .dtor, so we have to invert the priority
- // numbering.
- if (Priority == 65535)
- return StaticDtorSection;
+const MCSection *TargetLoweringObjectFileELF::getStaticCtorSection(
+ unsigned Priority, const MCSymbol *KeySym) const {
+ return getStaticStructorSection(getContext(), UseInitArray, true, Priority,
+ KeySym);
+}
- if (UseInitArray) {
- std::string Name = std::string(".fini_array.") + utostr(Priority);
- return getContext().getELFSection(Name, ELF::SHT_FINI_ARRAY,
- ELF::SHF_ALLOC | ELF::SHF_WRITE,
- SectionKind::getDataRel());
- } else {
- std::string Name = std::string(".dtors.") + utostr(65535 - Priority);
- return getContext().getELFSection(Name, ELF::SHT_PROGBITS,
- ELF::SHF_ALLOC |ELF::SHF_WRITE,
- SectionKind::getDataRel());
- }
+const MCSection *TargetLoweringObjectFileELF::getStaticDtorSection(
+ unsigned Priority, const MCSymbol *KeySym) const {
+ return getStaticStructorSection(getContext(), UseInitArray, false, Priority,
+ KeySym);
}
void
Mangler &Mang, const TargetMachine &TM) const {
unsigned VersionVal = 0;
unsigned ImageInfoFlags = 0;
- MDNode *LinkerOptions = 0;
+ MDNode *LinkerOptions = nullptr;
StringRef SectionVal;
for (ArrayRef<Module::ModuleFlagEntry>::iterator
Streamer.AddBlankLine();
}
+static void checkMachOComdat(const GlobalValue *GV) {
+ const Comdat *C = GV->getComdat();
+ if (!C)
+ return;
+
+ report_fatal_error("MachO doesn't support COMDATs, '" + C->getName() +
+ "' cannot be lowered.");
+}
+
const MCSection *TargetLoweringObjectFileMachO::getExplicitSectionGlobal(
const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
const TargetMachine &TM) const {
StringRef Segment, Section;
unsigned TAA = 0, StubSize = 0;
bool TAAParsed;
+
+ checkMachOComdat(GV);
+
std::string ErrorCode =
MCSectionMachO::ParseSectionSpecifier(GV->getSection(), Segment, Section,
TAA, TAAParsed, StubSize);
// These sections are atomized at the element boundaries without using
// symbols.
- case MCSectionMachO::S_4BYTE_LITERALS:
- case MCSectionMachO::S_8BYTE_LITERALS:
- case MCSectionMachO::S_16BYTE_LITERALS:
- case MCSectionMachO::S_LITERAL_POINTERS:
- case MCSectionMachO::S_NON_LAZY_SYMBOL_POINTERS:
- case MCSectionMachO::S_LAZY_SYMBOL_POINTERS:
- case MCSectionMachO::S_MOD_INIT_FUNC_POINTERS:
- case MCSectionMachO::S_MOD_TERM_FUNC_POINTERS:
- case MCSectionMachO::S_INTERPOSING:
+ case MachO::S_4BYTE_LITERALS:
+ case MachO::S_8BYTE_LITERALS:
+ case MachO::S_16BYTE_LITERALS:
+ case MachO::S_LITERAL_POINTERS:
+ case MachO::S_NON_LAZY_SYMBOL_POINTERS:
+ case MachO::S_LAZY_SYMBOL_POINTERS:
+ case MachO::S_MOD_INIT_FUNC_POINTERS:
+ case MachO::S_MOD_TERM_FUNC_POINTERS:
+ case MachO::S_INTERPOSING:
return false;
}
}
const MCSection *TargetLoweringObjectFileMachO::
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler &Mang, const TargetMachine &TM) const {
+ checkMachOComdat(GV);
// Handle thread local data.
if (Kind.isThreadBSS()) return TLSBSSSection;
// FIXME: Alignment check should be handled by section classifier.
if (Kind.isMergeable1ByteCString() &&
- TM.getDataLayout()->getPreferredAlignment(cast<GlobalVariable>(GV)) < 32)
+ TM.getSubtargetImpl()->getDataLayout()->getPreferredAlignment(
+ cast<GlobalVariable>(GV)) < 32)
return CStringSection;
// Do not put 16-bit arrays in the UString section if they have an
// externally visible label, this runs into issues with certain linker
// versions.
if (Kind.isMergeable2ByteCString() && !GV->hasExternalLinkage() &&
- TM.getDataLayout()->getPreferredAlignment(cast<GlobalVariable>(GV)) < 32)
+ TM.getSubtargetImpl()->getDataLayout()->getPreferredAlignment(
+ cast<GlobalVariable>(GV)) < 32)
return UStringSection;
- if (Kind.isMergeableConst()) {
+ // With MachO only variables whose corresponding symbol starts with 'l' or
+ // 'L' can be merged, so we only try merging GVs with private linkage.
+ if (GV->hasPrivateLinkage() && Kind.isMergeableConst()) {
if (Kind.isMergeableConst4())
return FourByteConstantSection;
if (Kind.isMergeableConst8())
}
const MCSection *
-TargetLoweringObjectFileMachO::getSectionForConstant(SectionKind Kind) const {
+TargetLoweringObjectFileMachO::getSectionForConstant(SectionKind Kind,
+ const Constant *C) const {
// If this constant requires a relocation, we have to put it in the data
// segment, not in the text segment.
if (Kind.isDataRel() || Kind.isReadOnlyWithRel())
return ReadOnlySection; // .const
}
-/// This hook allows targets to selectively decide not to emit the UsedDirective
-/// for some symbols in llvm.used.
-// FIXME: REMOVE this (rdar://7071300)
-bool TargetLoweringObjectFileMachO::shouldEmitUsedDirectiveFor(
- const GlobalValue *GV, Mangler &Mang, TargetMachine &TM) const {
- // Check whether the mangled name has the "Private" or "LinkerPrivate" prefix.
- if (GV->hasLocalLinkage() && !isa<Function>(GV)) {
- // FIXME: ObjC metadata is currently emitted as internal symbols that have
- // \1L and \0l prefixes on them. Fix them to be Private/LinkerPrivate and
- // this horrible hack can go away.
- MCSymbol *Sym = TM.getTargetLowering()->getSymbol(GV, Mang);
- if (Sym->getName()[0] == 'L' || Sym->getName()[0] == 'l')
- return false;
- }
-
- return true;
-}
-
const MCExpr *TargetLoweringObjectFileMachO::getTTypeGlobalReference(
const GlobalValue *GV, unsigned Encoding, Mangler &Mang,
const TargetMachine &TM, MachineModuleInfo *MMI,
MachineModuleInfoImpl::StubValueTy &StubSym =
GV->hasHiddenVisibility() ? MachOMMI.getHiddenGVStubEntry(SSym) :
MachOMMI.getGVStubEntry(SSym);
- if (StubSym.getPointer() == 0) {
- MCSymbol *Sym = TM.getTargetLowering()->getSymbol(GV, Mang);
+ if (!StubSym.getPointer()) {
+ MCSymbol *Sym = TM.getSymbol(GV, Mang);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}
// Add information about the stub reference to MachOMMI so that the stub
// gets emitted by the asmprinter.
MachineModuleInfoImpl::StubValueTy &StubSym = MachOMMI.getGVStubEntry(SSym);
- if (StubSym.getPointer() == 0) {
- MCSymbol *Sym = TM.getTargetLowering()->getSymbol(GV, Mang);
+ if (!StubSym.getPointer()) {
+ MCSymbol *Sym = TM.getSymbol(GV, Mang);
StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
}
COFF::IMAGE_SCN_MEM_EXECUTE |
COFF::IMAGE_SCN_MEM_READ |
COFF::IMAGE_SCN_CNT_CODE;
- else if (K.isBSS ())
+ else if (K.isBSS())
Flags |=
COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ |
COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ |
COFF::IMAGE_SCN_MEM_WRITE;
- else if (K.isReadOnly())
+ else if (K.isReadOnly() || K.isReadOnlyWithRel())
Flags |=
COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ;
return Flags;
}
+static const GlobalValue *getComdatGVForCOFF(const GlobalValue *GV) {
+ const Comdat *C = GV->getComdat();
+ assert(C && "expected GV to have a Comdat!");
+
+ StringRef ComdatGVName = C->getName();
+ const GlobalValue *ComdatGV = GV->getParent()->getNamedValue(ComdatGVName);
+ if (!ComdatGV)
+ report_fatal_error("Associative COMDAT symbol '" + ComdatGVName +
+ "' does not exist.");
+
+ if (ComdatGV->getComdat() != C)
+ report_fatal_error("Associative COMDAT symbol '" + ComdatGVName +
+ "' is not a key for its COMDAT.");
+
+ return ComdatGV;
+}
+
+static int getSelectionForCOFF(const GlobalValue *GV) {
+ if (const Comdat *C = GV->getComdat()) {
+ const GlobalValue *ComdatKey = getComdatGVForCOFF(GV);
+ if (const auto *GA = dyn_cast<GlobalAlias>(ComdatKey))
+ ComdatKey = GA->getBaseObject();
+ if (ComdatKey == GV) {
+ switch (C->getSelectionKind()) {
+ case Comdat::Any:
+ return COFF::IMAGE_COMDAT_SELECT_ANY;
+ case Comdat::ExactMatch:
+ return COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH;
+ case Comdat::Largest:
+ return COFF::IMAGE_COMDAT_SELECT_LARGEST;
+ case Comdat::NoDuplicates:
+ return COFF::IMAGE_COMDAT_SELECT_NODUPLICATES;
+ case Comdat::SameSize:
+ return COFF::IMAGE_COMDAT_SELECT_SAME_SIZE;
+ }
+ } else {
+ return COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE;
+ }
+ } else if (GV->isWeakForLinker()) {
+ return COFF::IMAGE_COMDAT_SELECT_ANY;
+ }
+ return 0;
+}
+
const MCSection *TargetLoweringObjectFileCOFF::getExplicitSectionGlobal(
const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
const TargetMachine &TM) const {
unsigned Characteristics = getCOFFSectionFlags(Kind);
StringRef Name = GV->getSection();
StringRef COMDATSymName = "";
- if (GV->isWeakForLinker()) {
- Selection = COFF::IMAGE_COMDAT_SELECT_ANY;
- Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT;
- MCSymbol *Sym = TM.getTargetLowering()->getSymbol(GV, Mang);
- COMDATSymName = Sym->getName();
+ if ((GV->isWeakForLinker() || GV->hasComdat()) && !Kind.isCommon()) {
+ Selection = getSelectionForCOFF(GV);
+ const GlobalValue *ComdatGV;
+ if (Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE)
+ ComdatGV = getComdatGVForCOFF(GV);
+ else
+ ComdatGV = GV;
+
+ if (!ComdatGV->hasPrivateLinkage()) {
+ MCSymbol *Sym = TM.getSymbol(ComdatGV, Mang);
+ COMDATSymName = Sym->getName();
+ Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT;
+ } else {
+ Selection = 0;
+ }
}
return getContext().getCOFFSection(Name,
Characteristics,
static const char *getCOFFSectionNameForUniqueGlobal(SectionKind Kind) {
if (Kind.isText())
return ".text";
- if (Kind.isBSS ())
+ if (Kind.isBSS())
return ".bss";
if (Kind.isThreadLocal())
return ".tls$";
- if (Kind.isWriteable())
- return ".data";
- return ".rdata";
+ if (Kind.isReadOnly() || Kind.isReadOnlyWithRel())
+ return ".rdata";
+ return ".data";
}
const MCSection *TargetLoweringObjectFileCOFF::
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler &Mang, const TargetMachine &TM) const {
+ // If we have -ffunction-sections then we should emit the global value to a
+ // uniqued section specifically for it.
+ bool EmitUniquedSection;
+ if (Kind.isText())
+ EmitUniquedSection = TM.getFunctionSections();
+ else
+ EmitUniquedSection = TM.getDataSections();
// If this global is linkonce/weak and the target handles this by emitting it
// into a 'uniqued' section name, create and return the section now.
- if (GV->isWeakForLinker()) {
+ // Section names depend on the name of the symbol which is not feasible if the
+ // symbol has private linkage.
+ if ((GV->isWeakForLinker() || EmitUniquedSection || GV->hasComdat()) &&
+ !Kind.isCommon()) {
const char *Name = getCOFFSectionNameForUniqueGlobal(Kind);
unsigned Characteristics = getCOFFSectionFlags(Kind);
Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT;
- MCSymbol *Sym = TM.getTargetLowering()->getSymbol(GV, Mang);
- return getContext().getCOFFSection(Name, Characteristics,
- Kind, Sym->getName(),
- COFF::IMAGE_COMDAT_SELECT_ANY);
+ int Selection = getSelectionForCOFF(GV);
+ if (!Selection)
+ Selection = COFF::IMAGE_COMDAT_SELECT_NODUPLICATES;
+ const GlobalValue *ComdatGV;
+ if (GV->hasComdat())
+ ComdatGV = getComdatGVForCOFF(GV);
+ else
+ ComdatGV = GV;
+
+ if (!ComdatGV->hasPrivateLinkage()) {
+ MCSymbol *Sym = TM.getSymbol(ComdatGV, Mang);
+ StringRef COMDATSymName = Sym->getName();
+ return getContext().getCOFFSection(Name, Characteristics, Kind,
+ COMDATSymName, Selection);
+ }
}
if (Kind.isText())
if (Kind.isThreadLocal())
return TLSDataSection;
- if (Kind.isReadOnly())
+ if (Kind.isReadOnly() || Kind.isReadOnlyWithRel())
return ReadOnlySection;
- if (Kind.isBSS())
+ // Note: we claim that common symbols are put in BSSSection, but they are
+ // really emitted with the magic .comm directive, which creates a symbol table
+ // entry but not a section.
+ if (Kind.isBSS() || Kind.isCommon())
return BSSSection;
return DataSection;
emitModuleFlags(MCStreamer &Streamer,
ArrayRef<Module::ModuleFlagEntry> ModuleFlags,
Mangler &Mang, const TargetMachine &TM) const {
- MDNode *LinkerOptions = 0;
+ MDNode *LinkerOptions = nullptr;
// Look for the "Linker Options" flag, since it's the only one we support.
for (ArrayRef<Module::ModuleFlagEntry>::iterator
}
}
}
+
+const MCSection *TargetLoweringObjectFileCOFF::getStaticCtorSection(
+ unsigned Priority, const MCSymbol *KeySym) const {
+ return getContext().getAssociativeCOFFSection(
+ cast<MCSectionCOFF>(StaticCtorSection), KeySym);
+}
+
+const MCSection *TargetLoweringObjectFileCOFF::getStaticDtorSection(
+ unsigned Priority, const MCSymbol *KeySym) const {
+ return getContext().getAssociativeCOFFSection(
+ cast<MCSectionCOFF>(StaticDtorSection), KeySym);
+}
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