mirror of
https://github.com/RPCS3/llvm.git
synced 2025-01-27 05:32:22 +00:00
Whitespace cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81321 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
parent
58f875bbf6
commit
8ddb569d8a
@ -61,23 +61,23 @@ TargetLoweringObjectFile::~TargetLoweringObjectFile() {
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static bool isSuitableForBSS(const GlobalVariable *GV) {
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Constant *C = GV->getInitializer();
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// Must have zero initializer.
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if (!C->isNullValue())
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return false;
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// Leave constant zeros in readonly constant sections, so they can be shared.
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if (GV->isConstant())
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return false;
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// If the global has an explicit section specified, don't put it in BSS.
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if (!GV->getSection().empty())
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return false;
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// If -nozero-initialized-in-bss is specified, don't ever use BSS.
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if (NoZerosInBSS)
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return false;
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// Otherwise, put it in BSS!
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return true;
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}
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@ -87,7 +87,7 @@ static bool isSuitableForBSS(const GlobalVariable *GV) {
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/// nul value and contains no other nuls in it.
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static bool IsNullTerminatedString(const Constant *C) {
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const ArrayType *ATy = cast<ArrayType>(C->getType());
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// First check: is we have constant array of i8 terminated with zero
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if (const ConstantArray *CVA = dyn_cast<ConstantArray>(C)) {
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if (ATy->getNumElements() == 0) return false;
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@ -96,7 +96,7 @@ static bool IsNullTerminatedString(const Constant *C) {
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dyn_cast<ConstantInt>(CVA->getOperand(ATy->getNumElements()-1));
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if (Null == 0 || Null->getZExtValue() != 0)
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return false; // Not null terminated.
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// Verify that the null doesn't occur anywhere else in the string.
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for (unsigned i = 0, e = ATy->getNumElements()-1; i != e; ++i)
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// Reject constantexpr elements etc.
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@ -122,14 +122,14 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
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const TargetMachine &TM){
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assert(!GV->isDeclaration() && !GV->hasAvailableExternallyLinkage() &&
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"Can only be used for global definitions");
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Reloc::Model ReloModel = TM.getRelocationModel();
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// Early exit - functions should be always in text sections.
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const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV);
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if (GVar == 0)
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return SectionKind::getText();
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// Handle thread-local data first.
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if (GVar->isThreadLocal()) {
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if (isSuitableForBSS(GVar))
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@ -142,7 +142,7 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
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return SectionKind::getBSS();
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Constant *C = GVar->getInitializer();
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// If the global is marked constant, we can put it into a mergable section,
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// a mergable string section, or general .data if it contains relocations.
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if (GVar->isConstant()) {
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@ -155,7 +155,7 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
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// If initializer is a null-terminated string, put it in a "cstring"
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// section of the right width.
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if (const ArrayType *ATy = dyn_cast<ArrayType>(C->getType())) {
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if (const IntegerType *ITy =
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if (const IntegerType *ITy =
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dyn_cast<IntegerType>(ATy->getElementType())) {
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if ((ITy->getBitWidth() == 8 || ITy->getBitWidth() == 16 ||
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ITy->getBitWidth() == 32) &&
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@ -164,13 +164,13 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
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return SectionKind::getMergeable1ByteCString();
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if (ITy->getBitWidth() == 16)
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return SectionKind::getMergeable2ByteCString();
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assert(ITy->getBitWidth() == 32 && "Unknown width");
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return SectionKind::getMergeable4ByteCString();
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}
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}
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}
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// Otherwise, just drop it into a mergable constant section. If we have
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// a section for this size, use it, otherwise use the arbitrary sized
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// mergable section.
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@ -180,7 +180,7 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
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case 16: return SectionKind::getMergeableConst16();
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default: return SectionKind::getMergeableConst();
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}
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case Constant::LocalRelocation:
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// In static relocation model, the linker will resolve all addresses, so
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// the relocation entries will actually be constants by the time the app
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@ -189,11 +189,11 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
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// merge entries in the section.
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if (ReloModel == Reloc::Static)
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return SectionKind::getReadOnly();
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// Otherwise, the dynamic linker needs to fix it up, put it in the
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// writable data.rel.local section.
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return SectionKind::getReadOnlyWithRelLocal();
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case Constant::GlobalRelocations:
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// In static relocation model, the linker will resolve all addresses, so
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// the relocation entries will actually be constants by the time the app
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@ -202,7 +202,7 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
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// merge entries in the section.
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if (ReloModel == Reloc::Static)
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return SectionKind::getReadOnly();
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// Otherwise, the dynamic linker needs to fix it up, put it in the
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// writable data.rel section.
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return SectionKind::getReadOnlyWithRel();
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@ -237,8 +237,8 @@ SectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang,
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// Select section name.
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if (GV->hasSection())
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return getExplicitSectionGlobal(GV, Kind, Mang, TM);
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// Use default section depending on the 'type' of global
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return SelectSectionForGlobal(GV, Kind, Mang, TM);
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}
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@ -251,13 +251,13 @@ TargetLoweringObjectFile::SelectSectionForGlobal(const GlobalValue *GV,
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Mangler *Mang,
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const TargetMachine &TM) const{
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assert(!Kind.isThreadLocal() && "Doesn't support TLS");
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if (Kind.isText())
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return getTextSection();
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if (Kind.isBSS() && BSSSection != 0)
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return BSSSection;
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if (Kind.isReadOnly() && ReadOnlySection != 0)
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return ReadOnlySection;
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@ -271,7 +271,7 @@ const MCSection *
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TargetLoweringObjectFile::getSectionForConstant(SectionKind Kind) const {
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if (Kind.isReadOnly() && ReadOnlySection != 0)
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return ReadOnlySection;
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return DataSection;
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}
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@ -293,11 +293,11 @@ getELFSection(StringRef Section, unsigned Type, unsigned Flags,
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if (UniquingMap == 0)
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UniquingMap = new ELFUniqueMapTy();
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ELFUniqueMapTy &Map = *(ELFUniqueMapTy*)UniquingMap;
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// Do the lookup, if we have a hit, return it.
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const MCSectionELF *&Entry = Map[Section];
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if (Entry) return Entry;
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return Entry = MCSectionELF::Create(Section, Type, Flags, Kind, IsExplicit,
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getContext());
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}
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@ -308,73 +308,73 @@ void TargetLoweringObjectFileELF::Initialize(MCContext &Ctx,
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((ELFUniqueMapTy*)UniquingMap)->clear();
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TargetLoweringObjectFile::Initialize(Ctx, TM);
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BSSSection =
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BSSSection =
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getELFSection(".bss", MCSectionELF::SHT_NOBITS,
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MCSectionELF::SHF_WRITE | MCSectionELF::SHF_ALLOC,
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SectionKind::getBSS());
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TextSection =
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TextSection =
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getELFSection(".text", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_EXECINSTR | MCSectionELF::SHF_ALLOC,
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SectionKind::getText());
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DataSection =
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DataSection =
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getELFSection(".data", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_WRITE | MCSectionELF::SHF_ALLOC,
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SectionKind::getDataRel());
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ReadOnlySection =
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getELFSection(".rodata", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC,
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ReadOnlySection =
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getELFSection(".rodata", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC,
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SectionKind::getReadOnly());
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TLSDataSection =
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TLSDataSection =
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getELFSection(".tdata", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_TLS |
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_TLS |
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MCSectionELF::SHF_WRITE, SectionKind::getThreadData());
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TLSBSSSection =
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TLSBSSSection =
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getELFSection(".tbss", MCSectionELF::SHT_NOBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_TLS |
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MCSectionELF::SHF_WRITE, SectionKind::getThreadBSS());
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DataRelSection =
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DataRelSection =
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getELFSection(".data.rel", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE,
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SectionKind::getDataRel());
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DataRelLocalSection =
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DataRelLocalSection =
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getELFSection(".data.rel.local", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE,
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SectionKind::getDataRelLocal());
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DataRelROSection =
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DataRelROSection =
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getELFSection(".data.rel.ro", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE,
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SectionKind::getReadOnlyWithRel());
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DataRelROLocalSection =
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DataRelROLocalSection =
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getELFSection(".data.rel.ro.local", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE,
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SectionKind::getReadOnlyWithRelLocal());
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MergeableConst4Section =
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MergeableConst4Section =
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getELFSection(".rodata.cst4", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE,
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SectionKind::getMergeableConst4());
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MergeableConst8Section =
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MergeableConst8Section =
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getELFSection(".rodata.cst8", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE,
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SectionKind::getMergeableConst8());
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MergeableConst16Section =
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MergeableConst16Section =
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getELFSection(".rodata.cst16", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_MERGE,
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SectionKind::getMergeableConst16());
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StaticCtorSection =
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getELFSection(".ctors", MCSectionELF::SHT_PROGBITS,
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getELFSection(".ctors", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE,
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SectionKind::getDataRel());
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@ -382,9 +382,9 @@ void TargetLoweringObjectFileELF::Initialize(MCContext &Ctx,
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getELFSection(".dtors", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE,
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SectionKind::getDataRel());
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// Exception Handling Sections.
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// FIXME: We're emitting LSDA info into a readonly section on ELF, even though
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// it contains relocatable pointers. In PIC mode, this is probably a big
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// runtime hit for C++ apps. Either the contents of the LSDA need to be
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@ -393,70 +393,70 @@ void TargetLoweringObjectFileELF::Initialize(MCContext &Ctx,
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getELFSection(".gcc_except_table", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC, SectionKind::getReadOnly());
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EHFrameSection =
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getELFSection(".eh_frame", MCSectionELF::SHT_PROGBITS,
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getELFSection(".eh_frame", MCSectionELF::SHT_PROGBITS,
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MCSectionELF::SHF_ALLOC | MCSectionELF::SHF_WRITE,
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SectionKind::getDataRel());
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// Debug Info Sections.
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DwarfAbbrevSection =
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getELFSection(".debug_abbrev", MCSectionELF::SHT_PROGBITS, 0,
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DwarfAbbrevSection =
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getELFSection(".debug_abbrev", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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DwarfInfoSection =
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getELFSection(".debug_info", MCSectionELF::SHT_PROGBITS, 0,
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DwarfInfoSection =
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getELFSection(".debug_info", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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DwarfLineSection =
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getELFSection(".debug_line", MCSectionELF::SHT_PROGBITS, 0,
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DwarfLineSection =
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getELFSection(".debug_line", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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DwarfFrameSection =
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getELFSection(".debug_frame", MCSectionELF::SHT_PROGBITS, 0,
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DwarfFrameSection =
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getELFSection(".debug_frame", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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DwarfPubNamesSection =
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getELFSection(".debug_pubnames", MCSectionELF::SHT_PROGBITS, 0,
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DwarfPubNamesSection =
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getELFSection(".debug_pubnames", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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DwarfPubTypesSection =
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getELFSection(".debug_pubtypes", MCSectionELF::SHT_PROGBITS, 0,
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DwarfPubTypesSection =
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getELFSection(".debug_pubtypes", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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DwarfStrSection =
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DwarfStrSection =
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getELFSection(".debug_str", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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DwarfLocSection =
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getELFSection(".debug_loc", MCSectionELF::SHT_PROGBITS, 0,
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DwarfLocSection =
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getELFSection(".debug_loc", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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DwarfARangesSection =
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getELFSection(".debug_aranges", MCSectionELF::SHT_PROGBITS, 0,
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DwarfARangesSection =
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getELFSection(".debug_aranges", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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DwarfRangesSection =
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getELFSection(".debug_ranges", MCSectionELF::SHT_PROGBITS, 0,
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DwarfRangesSection =
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getELFSection(".debug_ranges", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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DwarfMacroInfoSection =
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getELFSection(".debug_macinfo", MCSectionELF::SHT_PROGBITS, 0,
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DwarfMacroInfoSection =
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getELFSection(".debug_macinfo", MCSectionELF::SHT_PROGBITS, 0,
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SectionKind::getMetadata());
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}
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static SectionKind
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static SectionKind
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getELFKindForNamedSection(const char *Name, SectionKind K) {
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if (Name[0] != '.') return K;
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// Some lame default implementation based on some magic section names.
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if (strncmp(Name, ".gnu.linkonce.b.", 16) == 0 ||
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strncmp(Name, ".llvm.linkonce.b.", 17) == 0 ||
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strncmp(Name, ".gnu.linkonce.sb.", 17) == 0 ||
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strncmp(Name, ".llvm.linkonce.sb.", 18) == 0)
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return SectionKind::getBSS();
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if (strcmp(Name, ".tdata") == 0 ||
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strncmp(Name, ".tdata.", 7) == 0 ||
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strncmp(Name, ".gnu.linkonce.td.", 17) == 0 ||
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strncmp(Name, ".llvm.linkonce.td.", 18) == 0)
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return SectionKind::getThreadData();
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if (strcmp(Name, ".tbss") == 0 ||
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strncmp(Name, ".tbss.", 6) == 0 ||
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strncmp(Name, ".gnu.linkonce.tb.", 17) == 0 ||
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strncmp(Name, ".llvm.linkonce.tb.", 18) == 0)
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return SectionKind::getThreadBSS();
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return K;
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}
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@ -486,16 +486,16 @@ getELFSectionFlags(SectionKind K) {
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if (!K.isMetadata())
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Flags |= MCSectionELF::SHF_ALLOC;
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if (K.isText())
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Flags |= MCSectionELF::SHF_EXECINSTR;
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if (K.isWriteable())
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Flags |= MCSectionELF::SHF_WRITE;
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if (K.isThreadLocal())
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Flags |= MCSectionELF::SHF_TLS;
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// K.isMergeableConst() is left out to honour PR4650
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if (K.isMergeableCString() || K.isMergeableConst4() ||
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K.isMergeableConst8() || K.isMergeableConst16())
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@ -509,31 +509,31 @@ getELFSectionFlags(SectionKind K) {
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const MCSection *TargetLoweringObjectFileELF::
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getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
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getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
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Mangler *Mang, const TargetMachine &TM) const {
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const char *SectionName = GV->getSection().c_str();
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// Infer section flags from the section name if we can.
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Kind = getELFKindForNamedSection(SectionName, Kind);
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return getELFSection(SectionName,
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getELFSectionType(SectionName, Kind),
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return getELFSection(SectionName,
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getELFSectionType(SectionName, Kind),
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getELFSectionFlags(Kind), Kind, true);
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}
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static const char *getSectionPrefixForUniqueGlobal(SectionKind Kind) {
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if (Kind.isText()) return ".gnu.linkonce.t.";
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if (Kind.isReadOnly()) return ".gnu.linkonce.r.";
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if (Kind.isThreadData()) return ".gnu.linkonce.td.";
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if (Kind.isThreadBSS()) return ".gnu.linkonce.tb.";
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|
||||
if (Kind.isBSS()) return ".gnu.linkonce.b.";
|
||||
if (Kind.isDataNoRel()) return ".gnu.linkonce.d.";
|
||||
if (Kind.isDataRelLocal()) return ".gnu.linkonce.d.rel.local.";
|
||||
if (Kind.isDataRel()) return ".gnu.linkonce.d.rel.";
|
||||
if (Kind.isReadOnlyWithRelLocal()) return ".gnu.linkonce.d.rel.ro.local.";
|
||||
|
||||
|
||||
assert(Kind.isReadOnlyWithRel() && "Unknown section kind");
|
||||
return ".gnu.linkonce.d.rel.ro.";
|
||||
}
|
||||
@ -541,31 +541,31 @@ static const char *getSectionPrefixForUniqueGlobal(SectionKind Kind) {
|
||||
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()) {
|
||||
const char *Prefix = getSectionPrefixForUniqueGlobal(Kind);
|
||||
std::string Name = Mang->makeNameProper(GV->getNameStr());
|
||||
|
||||
return getELFSection((Prefix+Name).c_str(),
|
||||
getELFSectionType((Prefix+Name).c_str(), Kind),
|
||||
getELFSectionFlags(Kind),
|
||||
return getELFSection((Prefix+Name).c_str(),
|
||||
getELFSectionType((Prefix+Name).c_str(), Kind),
|
||||
getELFSectionFlags(Kind),
|
||||
Kind);
|
||||
}
|
||||
|
||||
|
||||
if (Kind.isText()) return TextSection;
|
||||
|
||||
|
||||
if (Kind.isMergeable1ByteCString() ||
|
||||
Kind.isMergeable2ByteCString() ||
|
||||
Kind.isMergeable4ByteCString()) {
|
||||
|
||||
|
||||
// We also need alignment here.
|
||||
// FIXME: this is getting the alignment of the character, not the
|
||||
// alignment of the global!
|
||||
unsigned Align =
|
||||
unsigned Align =
|
||||
TM.getTargetData()->getPreferredAlignment(cast<GlobalVariable>(GV));
|
||||
|
||||
|
||||
const char *SizeSpec = ".rodata.str1.";
|
||||
if (Kind.isMergeable2ByteCString())
|
||||
SizeSpec = ".rodata.str2.";
|
||||
@ -573,16 +573,16 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
SizeSpec = ".rodata.str4.";
|
||||
else
|
||||
assert(Kind.isMergeable1ByteCString() && "unknown string width");
|
||||
|
||||
|
||||
|
||||
|
||||
std::string Name = SizeSpec + utostr(Align);
|
||||
return getELFSection(Name.c_str(), MCSectionELF::SHT_PROGBITS,
|
||||
MCSectionELF::SHF_ALLOC |
|
||||
MCSectionELF::SHF_MERGE |
|
||||
MCSectionELF::SHF_STRINGS,
|
||||
return getELFSection(Name.c_str(), MCSectionELF::SHT_PROGBITS,
|
||||
MCSectionELF::SHF_ALLOC |
|
||||
MCSectionELF::SHF_MERGE |
|
||||
MCSectionELF::SHF_STRINGS,
|
||||
Kind);
|
||||
}
|
||||
|
||||
|
||||
if (Kind.isMergeableConst()) {
|
||||
if (Kind.isMergeableConst4() && MergeableConst4Section)
|
||||
return MergeableConst4Section;
|
||||
@ -592,19 +592,19 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
return MergeableConst16Section;
|
||||
return ReadOnlySection; // .const
|
||||
}
|
||||
|
||||
|
||||
if (Kind.isReadOnly()) return ReadOnlySection;
|
||||
|
||||
|
||||
if (Kind.isThreadData()) return TLSDataSection;
|
||||
if (Kind.isThreadBSS()) return TLSBSSSection;
|
||||
|
||||
|
||||
if (Kind.isBSS()) return BSSSection;
|
||||
|
||||
|
||||
if (Kind.isDataNoRel()) return DataSection;
|
||||
if (Kind.isDataRelLocal()) return DataRelLocalSection;
|
||||
if (Kind.isDataRel()) return DataRelSection;
|
||||
if (Kind.isReadOnlyWithRelLocal()) return DataRelROLocalSection;
|
||||
|
||||
|
||||
assert(Kind.isReadOnlyWithRel() && "Unknown section kind");
|
||||
return DataRelROSection;
|
||||
}
|
||||
@ -622,7 +622,7 @@ getSectionForConstant(SectionKind Kind) const {
|
||||
return MergeableConst16Section;
|
||||
if (Kind.isReadOnly())
|
||||
return ReadOnlySection;
|
||||
|
||||
|
||||
if (Kind.isReadOnlyWithRelLocal()) return DataRelROLocalSection;
|
||||
assert(Kind.isReadOnlyWithRel() && "Unknown section kind");
|
||||
return DataRelROSection;
|
||||
@ -647,18 +647,18 @@ getMachOSection(const StringRef &Segment, const StringRef &Section,
|
||||
// We unique sections by their segment/section pair. The returned section
|
||||
// may not have the same flags as the requested section, if so this should be
|
||||
// diagnosed by the client as an error.
|
||||
|
||||
|
||||
// Create the map if it doesn't already exist.
|
||||
if (UniquingMap == 0)
|
||||
UniquingMap = new MachOUniqueMapTy();
|
||||
MachOUniqueMapTy &Map = *(MachOUniqueMapTy*)UniquingMap;
|
||||
|
||||
|
||||
// Form the name to look up.
|
||||
SmallString<64> Name;
|
||||
Name += Segment;
|
||||
Name.push_back(',');
|
||||
Name += Section;
|
||||
|
||||
|
||||
// Do the lookup, if we have a hit, return it.
|
||||
const MCSectionMachO *&Entry = Map[Name.str()];
|
||||
if (Entry) return Entry;
|
||||
@ -674,14 +674,14 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
|
||||
if (UniquingMap != 0)
|
||||
((MachOUniqueMapTy*)UniquingMap)->clear();
|
||||
TargetLoweringObjectFile::Initialize(Ctx, TM);
|
||||
|
||||
|
||||
TextSection // .text
|
||||
= getMachOSection("__TEXT", "__text",
|
||||
MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
|
||||
SectionKind::getText());
|
||||
DataSection // .data
|
||||
= getMachOSection("__DATA", "__data", 0, SectionKind::getDataRel());
|
||||
|
||||
|
||||
CStringSection // .cstring
|
||||
= getMachOSection("__TEXT", "__cstring", MCSectionMachO::S_CSTRING_LITERALS,
|
||||
SectionKind::getMergeable1ByteCString());
|
||||
@ -694,7 +694,7 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
|
||||
EightByteConstantSection // .literal8
|
||||
= getMachOSection("__TEXT", "__literal8", MCSectionMachO::S_8BYTE_LITERALS,
|
||||
SectionKind::getMergeableConst8());
|
||||
|
||||
|
||||
// ld_classic doesn't support .literal16 in 32-bit mode, and ld64 falls back
|
||||
// to using it in -static mode.
|
||||
SixteenByteConstantSection = 0;
|
||||
@ -703,10 +703,10 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
|
||||
SixteenByteConstantSection = // .literal16
|
||||
getMachOSection("__TEXT", "__literal16",MCSectionMachO::S_16BYTE_LITERALS,
|
||||
SectionKind::getMergeableConst16());
|
||||
|
||||
|
||||
ReadOnlySection // .const
|
||||
= getMachOSection("__TEXT", "__const", 0, SectionKind::getReadOnly());
|
||||
|
||||
|
||||
TextCoalSection
|
||||
= getMachOSection("__TEXT", "__textcoal_nt",
|
||||
MCSectionMachO::S_COALESCED |
|
||||
@ -725,7 +725,7 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
|
||||
= getMachOSection("__DATA","__datacoal_nt", MCSectionMachO::S_COALESCED,
|
||||
SectionKind::getDataRel());
|
||||
|
||||
|
||||
|
||||
LazySymbolPointerSection
|
||||
= getMachOSection("__DATA", "__la_symbol_ptr",
|
||||
MCSectionMachO::S_LAZY_SYMBOL_POINTERS,
|
||||
@ -734,7 +734,7 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
|
||||
= getMachOSection("__DATA", "__nl_symbol_ptr",
|
||||
MCSectionMachO::S_NON_LAZY_SYMBOL_POINTERS,
|
||||
SectionKind::getMetadata());
|
||||
|
||||
|
||||
if (TM.getRelocationModel() == Reloc::Static) {
|
||||
StaticCtorSection
|
||||
= getMachOSection("__TEXT", "__constructor", 0,SectionKind::getDataRel());
|
||||
@ -746,11 +746,11 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
|
||||
MCSectionMachO::S_MOD_INIT_FUNC_POINTERS,
|
||||
SectionKind::getDataRel());
|
||||
StaticDtorSection
|
||||
= getMachOSection("__DATA", "__mod_term_func",
|
||||
= getMachOSection("__DATA", "__mod_term_func",
|
||||
MCSectionMachO::S_MOD_TERM_FUNC_POINTERS,
|
||||
SectionKind::getDataRel());
|
||||
}
|
||||
|
||||
|
||||
// Exception Handling.
|
||||
LSDASection = getMachOSection("__DATA", "__gcc_except_tab", 0,
|
||||
SectionKind::getDataRel());
|
||||
@ -763,46 +763,46 @@ void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
|
||||
SectionKind::getReadOnly());
|
||||
|
||||
// Debug Information.
|
||||
DwarfAbbrevSection =
|
||||
DwarfAbbrevSection =
|
||||
getMachOSection("__DWARF", "__debug_abbrev", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfInfoSection =
|
||||
DwarfInfoSection =
|
||||
getMachOSection("__DWARF", "__debug_info", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfLineSection =
|
||||
DwarfLineSection =
|
||||
getMachOSection("__DWARF", "__debug_line", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfFrameSection =
|
||||
DwarfFrameSection =
|
||||
getMachOSection("__DWARF", "__debug_frame", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfPubNamesSection =
|
||||
DwarfPubNamesSection =
|
||||
getMachOSection("__DWARF", "__debug_pubnames", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfPubTypesSection =
|
||||
DwarfPubTypesSection =
|
||||
getMachOSection("__DWARF", "__debug_pubtypes", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfStrSection =
|
||||
DwarfStrSection =
|
||||
getMachOSection("__DWARF", "__debug_str", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfLocSection =
|
||||
DwarfLocSection =
|
||||
getMachOSection("__DWARF", "__debug_loc", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfARangesSection =
|
||||
DwarfARangesSection =
|
||||
getMachOSection("__DWARF", "__debug_aranges", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfRangesSection =
|
||||
DwarfRangesSection =
|
||||
getMachOSection("__DWARF", "__debug_ranges", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfMacroInfoSection =
|
||||
DwarfMacroInfoSection =
|
||||
getMachOSection("__DWARF", "__debug_macinfo", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
DwarfDebugInlineSection =
|
||||
DwarfDebugInlineSection =
|
||||
getMachOSection("__DWARF", "__debug_inlined", MCSectionMachO::S_ATTR_DEBUG,
|
||||
SectionKind::getMetadata());
|
||||
}
|
||||
|
||||
const MCSection *TargetLoweringObjectFileMachO::
|
||||
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
Mangler *Mang, const TargetMachine &TM) const {
|
||||
// Parse the section specifier and create it if valid.
|
||||
StringRef Segment, Section;
|
||||
@ -818,11 +818,11 @@ getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
// Fall back to dropping it into the data section.
|
||||
return DataSection;
|
||||
}
|
||||
|
||||
|
||||
// Get the section.
|
||||
const MCSectionMachO *S =
|
||||
getMachOSection(Segment, Section, TAA, StubSize, Kind);
|
||||
|
||||
|
||||
// Okay, now that we got the section, verify that the TAA & StubSize agree.
|
||||
// If the user declared multiple globals with different section flags, we need
|
||||
// to reject it here.
|
||||
@ -832,7 +832,7 @@ getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
"' section type or attributes does not match previous"
|
||||
" section specifier");
|
||||
}
|
||||
|
||||
|
||||
return S;
|
||||
}
|
||||
|
||||
@ -840,10 +840,10 @@ const MCSection *TargetLoweringObjectFileMachO::
|
||||
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
Mangler *Mang, const TargetMachine &TM) const {
|
||||
assert(!Kind.isThreadLocal() && "Darwin doesn't support TLS");
|
||||
|
||||
|
||||
if (Kind.isText())
|
||||
return GV->isWeakForLinker() ? TextCoalSection : TextSection;
|
||||
|
||||
|
||||
// If this is weak/linkonce, put this in a coalescable section, either in text
|
||||
// or data depending on if it is writable.
|
||||
if (GV->isWeakForLinker()) {
|
||||
@ -851,7 +851,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
return ConstTextCoalSection;
|
||||
return DataCoalSection;
|
||||
}
|
||||
|
||||
|
||||
// FIXME: Alignment check should be handled by section classifier.
|
||||
if (Kind.isMergeable1ByteCString() ||
|
||||
Kind.isMergeable2ByteCString()) {
|
||||
@ -863,7 +863,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
return UStringSection;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (Kind.isMergeableConst()) {
|
||||
if (Kind.isMergeableConst4())
|
||||
return FourByteConstantSection;
|
||||
@ -882,7 +882,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
// linker needs to write to it, put it in the data segment.
|
||||
if (Kind.isReadOnlyWithRel())
|
||||
return ConstDataSection;
|
||||
|
||||
|
||||
// Otherwise, just drop the variable in the normal data section.
|
||||
return DataSection;
|
||||
}
|
||||
@ -893,7 +893,7 @@ TargetLoweringObjectFileMachO::getSectionForConstant(SectionKind Kind) const {
|
||||
// segment, not in the text segment.
|
||||
if (Kind.isDataRel())
|
||||
return ConstDataSection;
|
||||
|
||||
|
||||
if (Kind.isMergeableConst4())
|
||||
return FourByteConstantSection;
|
||||
if (Kind.isMergeableConst8())
|
||||
@ -911,7 +911,7 @@ shouldEmitUsedDirectiveFor(const GlobalValue *GV, Mangler *Mang) const {
|
||||
/// On Darwin, internally linked data beginning with "L" or "l" does not have
|
||||
/// the directive emitted (this occurs in ObjC metadata).
|
||||
if (!GV) return false;
|
||||
|
||||
|
||||
// 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
|
||||
@ -921,7 +921,7 @@ shouldEmitUsedDirectiveFor(const GlobalValue *GV, Mangler *Mang) const {
|
||||
if (Name[0] == 'L' || Name[0] == 'l')
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -943,11 +943,11 @@ getCOFFSection(const char *Name, bool isDirective, SectionKind Kind) const {
|
||||
if (UniquingMap == 0)
|
||||
UniquingMap = new MachOUniqueMapTy();
|
||||
COFFUniqueMapTy &Map = *(COFFUniqueMapTy*)UniquingMap;
|
||||
|
||||
|
||||
// Do the lookup, if we have a hit, return it.
|
||||
const MCSectionCOFF *&Entry = Map[Name];
|
||||
if (Entry) return Entry;
|
||||
|
||||
|
||||
return Entry = MCSectionCOFF::Create(Name, isDirective, Kind, getContext());
|
||||
}
|
||||
|
||||
@ -962,7 +962,7 @@ void TargetLoweringObjectFileCOFF::Initialize(MCContext &Ctx,
|
||||
getCOFFSection(".ctors", false, SectionKind::getDataRel());
|
||||
StaticDtorSection =
|
||||
getCOFFSection(".dtors", false, SectionKind::getDataRel());
|
||||
|
||||
|
||||
// FIXME: We're emitting LSDA info into a readonly section on COFF, even
|
||||
// though it contains relocatable pointers. In PIC mode, this is probably a
|
||||
// big runtime hit for C++ apps. Either the contents of the LSDA need to be
|
||||
@ -971,19 +971,19 @@ void TargetLoweringObjectFileCOFF::Initialize(MCContext &Ctx,
|
||||
getCOFFSection(".gcc_except_table", false, SectionKind::getReadOnly());
|
||||
EHFrameSection =
|
||||
getCOFFSection(".eh_frame", false, SectionKind::getDataRel());
|
||||
|
||||
|
||||
// Debug info.
|
||||
// FIXME: Don't use 'directive' mode here.
|
||||
DwarfAbbrevSection =
|
||||
DwarfAbbrevSection =
|
||||
getCOFFSection("\t.section\t.debug_abbrev,\"dr\"",
|
||||
true, SectionKind::getMetadata());
|
||||
DwarfInfoSection =
|
||||
DwarfInfoSection =
|
||||
getCOFFSection("\t.section\t.debug_info,\"dr\"",
|
||||
true, SectionKind::getMetadata());
|
||||
DwarfLineSection =
|
||||
DwarfLineSection =
|
||||
getCOFFSection("\t.section\t.debug_line,\"dr\"",
|
||||
true, SectionKind::getMetadata());
|
||||
DwarfFrameSection =
|
||||
DwarfFrameSection =
|
||||
getCOFFSection("\t.section\t.debug_frame,\"dr\"",
|
||||
true, SectionKind::getMetadata());
|
||||
DwarfPubNamesSection =
|
||||
@ -992,25 +992,25 @@ void TargetLoweringObjectFileCOFF::Initialize(MCContext &Ctx,
|
||||
DwarfPubTypesSection =
|
||||
getCOFFSection("\t.section\t.debug_pubtypes,\"dr\"",
|
||||
true, SectionKind::getMetadata());
|
||||
DwarfStrSection =
|
||||
DwarfStrSection =
|
||||
getCOFFSection("\t.section\t.debug_str,\"dr\"",
|
||||
true, SectionKind::getMetadata());
|
||||
DwarfLocSection =
|
||||
DwarfLocSection =
|
||||
getCOFFSection("\t.section\t.debug_loc,\"dr\"",
|
||||
true, SectionKind::getMetadata());
|
||||
DwarfARangesSection =
|
||||
DwarfARangesSection =
|
||||
getCOFFSection("\t.section\t.debug_aranges,\"dr\"",
|
||||
true, SectionKind::getMetadata());
|
||||
DwarfRangesSection =
|
||||
DwarfRangesSection =
|
||||
getCOFFSection("\t.section\t.debug_ranges,\"dr\"",
|
||||
true, SectionKind::getMetadata());
|
||||
DwarfMacroInfoSection =
|
||||
DwarfMacroInfoSection =
|
||||
getCOFFSection("\t.section\t.debug_macinfo,\"dr\"",
|
||||
true, SectionKind::getMetadata());
|
||||
}
|
||||
|
||||
const MCSection *TargetLoweringObjectFileCOFF::
|
||||
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
Mangler *Mang, const TargetMachine &TM) const {
|
||||
return getCOFFSection(GV->getSection().c_str(), false, Kind);
|
||||
}
|
||||
@ -1028,7 +1028,7 @@ const MCSection *TargetLoweringObjectFileCOFF::
|
||||
SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
Mangler *Mang, const TargetMachine &TM) const {
|
||||
assert(!Kind.isThreadLocal() && "Doesn't support TLS");
|
||||
|
||||
|
||||
// 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()) {
|
||||
@ -1036,10 +1036,9 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
|
||||
std::string Name = Mang->makeNameProper(GV->getNameStr());
|
||||
return getCOFFSection((Prefix+Name).c_str(), false, Kind);
|
||||
}
|
||||
|
||||
|
||||
if (Kind.isText())
|
||||
return getTextSection();
|
||||
|
||||
|
||||
return getDataSection();
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user