void TargetLoweringObjectFile::Initialize(MCContext &ctx,
const TargetMachine &TM) {
Ctx = &ctx;
- DL = TM.getDataLayout();
- InitMCObjectFileInfo(TM.getTargetTriple(),
- TM.getRelocationModel(), TM.getCodeModel(), *Ctx);
+ InitMCObjectFileInfo(TM.getTargetTriple(), TM.getRelocationModel(),
+ TM.getCodeModel(), *Ctx);
}
TargetLoweringObjectFile::~TargetLoweringObjectFile() {
assert(!Suffix.empty());
SmallString<60> NameStr;
- NameStr += DL->getPrivateGlobalPrefix();
+ NameStr += GV->getParent()->getDataLayout().getPrivateGlobalPrefix();
TM.getNameWithPrefix(NameStr, GV, Mang);
NameStr.append(Suffix.begin(), Suffix.end());
- return Ctx->GetOrCreateSymbol(NameStr);
+ return Ctx->getOrCreateSymbol(NameStr);
}
MCSymbol *TargetLoweringObjectFile::getCFIPersonalitySymbol(
}
void TargetLoweringObjectFile::emitPersonalityValue(MCStreamer &Streamer,
- const TargetMachine &TM,
+ const DataLayout &,
const MCSymbol *Sym) const {
}
// If the initializer for the global contains something that requires a
// relocation, then we may have to drop this into a writable data section
// even though it is marked const.
- switch (C->getRelocationInfo()) {
- case Constant::NoRelocation:
+ if (!C->needsRelocation()) {
// If the global is required to have a unique address, it can't be put
// into a mergable section: just drop it into the general read-only
// section instead.
if (!GVar->hasUnnamedAddr())
return SectionKind::getReadOnly();
-
+
// If initializer is a null-terminated string, put it in a "cstring"
// section of the right width.
if (ArrayType *ATy = dyn_cast<ArrayType>(C->getType())) {
// Otherwise, just drop it into a mergable constant section. If we have
// a section for this size, use it, otherwise use the arbitrary sized
// mergable section.
- switch (TM.getDataLayout()->getTypeAllocSize(C->getType())) {
+ switch (GV->getParent()->getDataLayout().getTypeAllocSize(C->getType())) {
case 4: return SectionKind::getMergeableConst4();
case 8: return SectionKind::getMergeableConst8();
case 16: return SectionKind::getMergeableConst16();
return SectionKind::getReadOnly();
}
- case Constant::LocalRelocation:
- // In static relocation model, the linker will resolve all addresses, so
- // the relocation entries will actually be constants by the time the app
- // starts up. However, we can't put this into a mergable section, because
- // the linker doesn't take relocations into consideration when it tries to
- // merge entries in the section.
- if (ReloModel == Reloc::Static)
- return SectionKind::getReadOnly();
-
- // Otherwise, the dynamic linker needs to fix it up, put it in the
- // writable data.rel.local section.
- return SectionKind::getReadOnlyWithRelLocal();
-
- case Constant::GlobalRelocations:
+ } else {
// In static relocation model, the linker will resolve all addresses, so
// the relocation entries will actually be constants by the time the app
// starts up. However, we can't put this into a mergable section, because
// globals together onto fewer pages, improving the locality of the dynamic
// linker.
if (ReloModel == Reloc::Static)
- return SectionKind::getDataNoRel();
-
- switch (C->getRelocationInfo()) {
- case Constant::NoRelocation:
- return SectionKind::getDataNoRel();
- case Constant::LocalRelocation:
- return SectionKind::getDataRelLocal();
- case Constant::GlobalRelocations:
- return SectionKind::getDataRel();
- }
- llvm_unreachable("Invalid relocation");
+ return SectionKind::getData();
+
+ if (C->needsRelocation())
+ return SectionKind::getData();
+ return SectionKind::getData();
}
-/// SectionForGlobal - This method computes the appropriate section to emit
-/// the specified global variable or function definition. This should not
-/// be passed external (or available externally) globals.
-const MCSection *TargetLoweringObjectFile::
-SectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
- const TargetMachine &TM) const {
+/// This method computes the appropriate section to emit the specified global
+/// variable or function definition. This should not be passed external (or
+/// available externally) globals.
+MCSection *
+TargetLoweringObjectFile::SectionForGlobal(const GlobalValue *GV,
+ SectionKind Kind, Mangler &Mang,
+ const TargetMachine &TM) const {
// Select section name.
if (GV->hasSection())
return getExplicitSectionGlobal(GV, Kind, Mang, TM);
return SelectSectionForGlobal(GV, Kind, Mang, TM);
}
-const MCSection *TargetLoweringObjectFile::getSectionForJumpTable(
+MCSection *TargetLoweringObjectFile::getSectionForJumpTable(
const Function &F, Mangler &Mang, const TargetMachine &TM) const {
- return getSectionForConstant(SectionKind::getReadOnly(), /*C=*/nullptr);
+ return getSectionForConstant(F.getParent()->getDataLayout(),
+ SectionKind::getReadOnly(), /*C=*/nullptr);
}
bool TargetLoweringObjectFile::shouldPutJumpTableInFunctionSection(
return false;
}
-/// getSectionForConstant - Given a mergable constant with the
-/// specified size and relocation information, return a section that it
-/// should be placed in.
-const MCSection *
-TargetLoweringObjectFile::getSectionForConstant(SectionKind Kind,
- const Constant *C) const {
+/// Given a mergable constant with the specified size and relocation
+/// information, return a section that it should be placed in.
+MCSection *TargetLoweringObjectFile::getSectionForConstant(
+ const DataLayout &DL, SectionKind Kind, const Constant *C) const {
if (Kind.isReadOnly() && ReadOnlySection != nullptr)
return ReadOnlySection;
const TargetMachine &TM, MachineModuleInfo *MMI,
MCStreamer &Streamer) const {
const MCSymbolRefExpr *Ref =
- MCSymbolRefExpr::Create(TM.getSymbol(GV, Mang), getContext());
+ MCSymbolRefExpr::create(TM.getSymbol(GV, Mang), getContext());
return getTTypeReference(Ref, Encoding, Streamer);
}
case dwarf::DW_EH_PE_pcrel: {
// Emit a label to the streamer for the current position. This gives us
// .-foo addressing.
- MCSymbol *PCSym = getContext().CreateTempSymbol();
+ MCSymbol *PCSym = getContext().createTempSymbol();
Streamer.EmitLabel(PCSym);
- const MCExpr *PC = MCSymbolRefExpr::Create(PCSym, getContext());
- return MCBinaryExpr::CreateSub(Sym, PC, getContext());
+ const MCExpr *PC = MCSymbolRefExpr::create(PCSym, getContext());
+ return MCBinaryExpr::createSub(Sym, PC, getContext());
}
}
}
const MCExpr *TargetLoweringObjectFile::getDebugThreadLocalSymbol(const MCSymbol *Sym) const {
// FIXME: It's not clear what, if any, default this should have - perhaps a
// null return could mean 'no location' & we should just do that here.
- return MCSymbolRefExpr::Create(Sym, *Ctx);
+ return MCSymbolRefExpr::create(Sym, *Ctx);
}
void TargetLoweringObjectFile::getNameWithPrefix(
- SmallVectorImpl<char> &OutName, const GlobalValue *GV,
- bool CannotUsePrivateLabel, Mangler &Mang, const TargetMachine &TM) const {
- Mang.getNameWithPrefix(OutName, GV, CannotUsePrivateLabel);
+ SmallVectorImpl<char> &OutName, const GlobalValue *GV, Mangler &Mang,
+ const TargetMachine &TM) const {
+ Mang.getNameWithPrefix(OutName, GV, /*CannotUsePrivateLabel=*/false);
}
projects / oota-llvm.git / blobdiff