#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"

Inheritance diagram for llvm::TargetLoweringObjectFileXCOFF:

Collaboration diagram for llvm::TargetLoweringObjectFileXCOFF:

[legend]

Public Member Functions
	TargetLoweringObjectFileXCOFF ()=default

	~TargetLoweringObjectFileXCOFF () override=default

void	Initialize (MCContext &Ctx, const TargetMachine &TM) override
	This method must be called before any actual lowering is done. More...

bool	shouldPutJumpTableInFunctionSection (bool UsesLabelDifference, const Function &F) const override

MCSection *	getExplicitSectionGlobal (const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const override
	Targets should implement this method to assign a section to globals with an explicit section specfied. More...

MCSection *	getStaticCtorSection (unsigned Priority, const MCSymbol *KeySym) const override

MCSection *	getStaticDtorSection (unsigned Priority, const MCSymbol *KeySym) const override

const MCExpr *	lowerRelativeReference (const GlobalValue LHS, const GlobalValue RHS, const TargetMachine &TM) const override

MCSection *	SelectSectionForGlobal (const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const override

MCSection *	getSectionForJumpTable (const Function &F, const TargetMachine &TM) const override

MCSection *	getSectionForConstant (const DataLayout &DL, SectionKind Kind, const Constant *C, Align &Alignment) const override
	Given a constant with the SectionKind, return a section that it should be placed in. More...

MCSection *	getSectionForFunctionDescriptor (const Function *F, const TargetMachine &TM) const override
	On targets that use separate function descriptor symbols, return a section for the descriptor given its symbol. More...

MCSection *	getSectionForTOCEntry (const MCSymbol *Sym, const TargetMachine &TM) const override
	On targets that support TOC entries, return a section for the entry given the symbol it refers to. More...

MCSection *	getSectionForExternalReference (const GlobalObject *GO, const TargetMachine &TM) const override
	For external functions, this will always return a function descriptor csect. More...

MCSymbol *	getTargetSymbol (const GlobalValue *GV, const TargetMachine &TM) const override
	For functions, this will always return a function descriptor symbol. More...

MCSymbol *	getFunctionEntryPointSymbol (const GlobalValue *Func, const TargetMachine &TM) const override
	If supported, return the function entry point symbol. More...

Public Member Functions inherited from llvm::TargetLoweringObjectFile
	TargetLoweringObjectFile ()=default

	TargetLoweringObjectFile (const TargetLoweringObjectFile &)=delete

TargetLoweringObjectFile &	operator= (const TargetLoweringObjectFile &)=delete

virtual	~TargetLoweringObjectFile ()

Mangler &	getMangler () const

virtual void	emitPersonalityValue (MCStreamer &Streamer, const DataLayout &TM, const MCSymbol *Sym) const

virtual void	emitModuleMetadata (MCStreamer &Streamer, Module &M) const
	Emit the module-level metadata that the platform cares about. More...

void	emitCGProfileMetadata (MCStreamer &Streamer, Module &M) const
	Emit Call Graph Profile metadata. More...

virtual void	getModuleMetadata (Module &M)
	Get the module-level metadata that the platform cares about. More...

virtual MCSection *	getSectionForMachineBasicBlock (const Function &F, const MachineBasicBlock &MBB, const TargetMachine &TM) const

virtual MCSection *	getUniqueSectionForFunction (const Function &F, const TargetMachine &TM) const

MCSection *	SectionForGlobal (const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const
	This method computes the appropriate section to emit the specified global variable or function definition. More...

MCSection *	SectionForGlobal (const GlobalObject *GO, const TargetMachine &TM) const
	This method computes the appropriate section to emit the specified global variable or function definition. More...

virtual void	getNameWithPrefix (SmallVectorImpl< char > &OutName, const GlobalValue *GV, const TargetMachine &TM) const

virtual MCSection *	getSectionForLSDA (const Function &, const MCSymbol &, const TargetMachine &) const

virtual const MCExpr *	getTTypeGlobalReference (const GlobalValue GV, unsigned Encoding, const TargetMachine &TM, MachineModuleInfo MMI, MCStreamer &Streamer) const
	Return an MCExpr to use for a reference to the specified global variable from exception handling information. More...

MCSymbol *	getSymbolWithGlobalValueBase (const GlobalValue *GV, StringRef Suffix, const TargetMachine &TM) const
	Return the MCSymbol for a private symbol with global value name as its base, with the specified suffix. More...

virtual MCSymbol *	getCFIPersonalitySymbol (const GlobalValue GV, const TargetMachine &TM, MachineModuleInfo MMI) const

unsigned	getPersonalityEncoding () const

unsigned	getLSDAEncoding () const

unsigned	getTTypeEncoding () const

unsigned	getCallSiteEncoding () const

const MCExpr *	getTTypeReference (const MCSymbolRefExpr *Sym, unsigned Encoding, MCStreamer &Streamer) const

virtual const MCExpr *	getDebugThreadLocalSymbol (const MCSymbol *Sym) const
	Create a symbol reference to describe the given TLS variable when emitting the address in debug info. More...

bool	supportDSOLocalEquivalentLowering () const
	Target supports a native lowering of a dso_local_equivalent constant without needing to replace it with equivalent IR. More...

virtual const MCExpr *	lowerDSOLocalEquivalent (const DSOLocalEquivalent *Equiv, const TargetMachine &TM) const

bool	supportIndirectSymViaGOTPCRel () const
	Target supports replacing a data "PC"-relative access to a symbol through another symbol, by accessing the later via a GOT entry instead? More...

bool	supportGOTPCRelWithOffset () const
	Target GOT "PC"-relative relocation supports encoding an additional binary expression with an offset? More...

bool	supportDebugThreadLocalLocation () const
	Target supports TLS offset relocation in debug section? More...

virtual const MCExpr *	getIndirectSymViaGOTPCRel (const GlobalValue GV, const MCSymbol Sym, const MCValue &MV, int64_t Offset, MachineModuleInfo *MMI, MCStreamer &Streamer) const
	Get the target specific PC relative GOT entry relocation. More...

virtual MCSection *	getSectionForCommandLines () const
	If supported, return the section to use for the llvm.commandline metadata. More...

Public Member Functions inherited from llvm::MCObjectFileInfo
void	initMCObjectFileInfo (MCContext &MCCtx, bool PIC, bool LargeCodeModel=false)

MCContext &	getContext () const

bool	getSupportsWeakOmittedEHFrame () const

bool	getSupportsCompactUnwindWithoutEHFrame () const

bool	getOmitDwarfIfHaveCompactUnwind () const

bool	getCommDirectiveSupportsAlignment () const

unsigned	getFDEEncoding () const

unsigned	getCompactUnwindDwarfEHFrameOnly () const

MCSection *	getTextSection () const

MCSection *	getDataSection () const

MCSection *	getBSSSection () const

MCSection *	getReadOnlySection () const

MCSection *	getLSDASection () const

MCSection *	getCompactUnwindSection () const

MCSection *	getDwarfAbbrevSection () const

MCSection *	getDwarfInfoSection () const

MCSection *	getDwarfInfoSection (uint64_t Hash) const

MCSection *	getDwarfLineSection () const

MCSection *	getDwarfLineStrSection () const

MCSection *	getDwarfFrameSection () const

MCSection *	getDwarfPubNamesSection () const

MCSection *	getDwarfPubTypesSection () const

MCSection *	getDwarfGnuPubNamesSection () const

MCSection *	getDwarfGnuPubTypesSection () const

const MCSection *	getDwarfDebugInlineSection () const

MCSection *	getDwarfStrSection () const

MCSection *	getDwarfLocSection () const

MCSection *	getDwarfARangesSection () const

MCSection *	getDwarfRangesSection () const

MCSection *	getDwarfRnglistsSection () const

MCSection *	getDwarfLoclistsSection () const

MCSection *	getDwarfMacinfoSection () const

MCSection *	getDwarfMacroSection () const

MCSection *	getDwarfDebugNamesSection () const

MCSection *	getDwarfAccelNamesSection () const

MCSection *	getDwarfAccelObjCSection () const

MCSection *	getDwarfAccelNamespaceSection () const

MCSection *	getDwarfAccelTypesSection () const

MCSection *	getDwarfInfoDWOSection () const

MCSection *	getDwarfTypesSection (uint64_t Hash) const

MCSection *	getDwarfTypesDWOSection () const

MCSection *	getDwarfAbbrevDWOSection () const

MCSection *	getDwarfStrDWOSection () const

MCSection *	getDwarfLineDWOSection () const

MCSection *	getDwarfLocDWOSection () const

MCSection *	getDwarfStrOffDWOSection () const

MCSection *	getDwarfStrOffSection () const

MCSection *	getDwarfAddrSection () const

MCSection *	getDwarfRnglistsDWOSection () const

MCSection *	getDwarfLoclistsDWOSection () const

MCSection *	getDwarfMacroDWOSection () const

MCSection *	getDwarfMacinfoDWOSection () const

MCSection *	getDwarfCUIndexSection () const

MCSection *	getDwarfTUIndexSection () const

MCSection *	getDwarfSwiftASTSection () const

MCSection *	getCOFFDebugSymbolsSection () const

MCSection *	getCOFFDebugTypesSection () const

MCSection *	getCOFFGlobalTypeHashesSection () const

MCSection *	getTLSExtraDataSection () const

const MCSection *	getTLSDataSection () const

MCSection *	getTLSBSSSection () const

MCSection *	getStackMapSection () const

MCSection *	getFaultMapSection () const

MCSection *	getRemarksSection () const

MCSection *	getStackSizesSection (const MCSection &TextSec) const

MCSection *	getBBAddrMapSection (const MCSection &TextSec) const

MCSection *	getPseudoProbeSection (const MCSection *TextSec) const

MCSection *	getPseudoProbeDescSection (StringRef FuncName) const

MCSection *	getDataRelROSection () const

const MCSection *	getMergeableConst4Section () const

const MCSection *	getMergeableConst8Section () const

const MCSection *	getMergeableConst16Section () const

const MCSection *	getMergeableConst32Section () const

const MCSection *	getTLSTLVSection () const

const MCSection *	getTLSThreadInitSection () const

const MCSection *	getCStringSection () const

const MCSection *	getUStringSection () const

MCSection *	getTextCoalSection () const

const MCSection *	getConstTextCoalSection () const

const MCSection *	getConstDataSection () const

const MCSection *	getDataCoalSection () const

const MCSection *	getConstDataCoalSection () const

const MCSection *	getDataCommonSection () const

MCSection *	getDataBSSSection () const

const MCSection *	getFourByteConstantSection () const

const MCSection *	getEightByteConstantSection () const

const MCSection *	getSixteenByteConstantSection () const

MCSection *	getLazySymbolPointerSection () const

MCSection *	getNonLazySymbolPointerSection () const

MCSection *	getThreadLocalPointerSection () const

MCSection *	getDrectveSection () const

MCSection *	getPDataSection () const

MCSection *	getXDataSection () const

MCSection *	getSXDataSection () const

MCSection *	getGEHContSection () const

MCSection *	getGFIDsSection () const

MCSection *	getGIATsSection () const

MCSection *	getGLJMPSection () const

MCSection *	getTOCBaseSection () const

MCSection *	getEHFrameSection () const

bool	isPositionIndependent () const

void	setSDKVersion (const VersionTuple &TheSDKVersion)

const VersionTuple &	getSDKVersion () const

Static Public Member Functions
static bool	ShouldEmitEHBlock (const MachineFunction *MF)

static bool	ShouldSetSSPCanaryBitInTB (const MachineFunction *MF)

static MCSymbol *	getEHInfoTableSymbol (const MachineFunction *MF)

static XCOFF::StorageClass	getStorageClassForGlobal (const GlobalValue *GV)

Static Public Member Functions inherited from llvm::TargetLoweringObjectFile
static SectionKind	getKindForGlobal (const GlobalObject *GO, const TargetMachine &TM)
	Classify the specified global variable into a set of target independent categories embodied in SectionKind. More...

Additional Inherited Members
Protected Attributes inherited from llvm::TargetLoweringObjectFile
bool	SupportIndirectSymViaGOTPCRel = false

bool	SupportGOTPCRelWithOffset = true

bool	SupportDebugThreadLocalLocation = true

bool	SupportDSOLocalEquivalentLowering = false

unsigned	PersonalityEncoding = 0
	PersonalityEncoding, LSDAEncoding, TTypeEncoding - Some encoding values for EH. More...

unsigned	LSDAEncoding = 0

unsigned	TTypeEncoding = 0

unsigned	CallSiteEncoding = 0

MCSection *	StaticCtorSection = nullptr
	This section contains the static constructor pointer list. More...

MCSection *	StaticDtorSection = nullptr
	This section contains the static destructor pointer list. More...

const TargetMachine *	TM = nullptr

Protected Attributes inherited from llvm::MCObjectFileInfo
bool	CommDirectiveSupportsAlignment = false
	True if .comm supports alignment. More...

bool	SupportsWeakOmittedEHFrame = false
	True if target object file supports a weak_definition of constant 0 for an omitted EH frame. More...

bool	SupportsCompactUnwindWithoutEHFrame = false
	True if the target object file supports emitting a compact unwind section without an associated EH frame section. More...

bool	OmitDwarfIfHaveCompactUnwind = false
	OmitDwarfIfHaveCompactUnwind - True if the target object file supports having some functions with compact unwind and other with dwarf unwind. More...

unsigned	FDECFIEncoding = 0
	FDE CFI encoding. More...

unsigned	CompactUnwindDwarfEHFrameOnly = 0
	Compact unwind encoding indicating that we should emit only an EH frame. More...

MCSection *	TextSection = nullptr
	Section directive for standard text. More...

MCSection *	DataSection = nullptr
	Section directive for standard data. More...

MCSection *	BSSSection = nullptr
	Section that is default initialized to zero. More...

MCSection *	ReadOnlySection = nullptr
	Section that is readonly and can contain arbitrary initialized data. More...

MCSection *	LSDASection = nullptr
	If exception handling is supported by the target, this is the section the Language Specific Data Area information is emitted to. More...

MCSection *	CompactUnwindSection = nullptr
	If exception handling is supported by the target and the target can support a compact representation of the CIE and FDE, this is the section to emit them into. More...

MCSection *	DwarfAbbrevSection = nullptr

MCSection *	DwarfInfoSection = nullptr

MCSection *	DwarfLineSection = nullptr

MCSection *	DwarfLineStrSection = nullptr

MCSection *	DwarfFrameSection = nullptr

MCSection *	DwarfPubTypesSection = nullptr

const MCSection *	DwarfDebugInlineSection = nullptr

MCSection *	DwarfStrSection = nullptr

MCSection *	DwarfLocSection = nullptr

MCSection *	DwarfARangesSection = nullptr

MCSection *	DwarfRangesSection = nullptr

MCSection *	DwarfMacinfoSection = nullptr

MCSection *	DwarfMacroSection = nullptr

MCSection *	DwarfPubNamesSection = nullptr

MCSection *	DwarfDebugNamesSection = nullptr
	Accelerator table sections. More...

MCSection *	DwarfAccelNamesSection = nullptr

MCSection *	DwarfAccelObjCSection = nullptr

MCSection *	DwarfAccelNamespaceSection = nullptr

MCSection *	DwarfAccelTypesSection = nullptr

MCSection *	DwarfInfoDWOSection = nullptr

MCSection *	DwarfTypesDWOSection = nullptr

MCSection *	DwarfAbbrevDWOSection = nullptr

MCSection *	DwarfStrDWOSection = nullptr

MCSection *	DwarfLineDWOSection = nullptr

MCSection *	DwarfLocDWOSection = nullptr

MCSection *	DwarfStrOffDWOSection = nullptr

MCSection *	DwarfMacinfoDWOSection = nullptr

MCSection *	DwarfMacroDWOSection = nullptr

MCSection *	DwarfStrOffSection = nullptr
	The DWARF v5 string offset and address table sections. More...

MCSection *	DwarfAddrSection = nullptr

MCSection *	DwarfRnglistsSection = nullptr
	The DWARF v5 range list section. More...

MCSection *	DwarfLoclistsSection = nullptr
	The DWARF v5 locations list section. More...

MCSection *	DwarfRnglistsDWOSection = nullptr
	The DWARF v5 range and location list sections for fission. More...

MCSection *	DwarfLoclistsDWOSection = nullptr

MCSection *	DwarfCUIndexSection = nullptr

MCSection *	DwarfTUIndexSection = nullptr

MCSection *	DwarfGnuPubNamesSection = nullptr
	Section for newer gnu pubnames. More...

MCSection *	DwarfGnuPubTypesSection = nullptr
	Section for newer gnu pubtypes. More...

MCSection *	DwarfSwiftASTSection = nullptr

MCSection *	COFFDebugSymbolsSection = nullptr

MCSection *	COFFDebugTypesSection = nullptr

MCSection *	COFFGlobalTypeHashesSection = nullptr

MCSection *	TLSExtraDataSection = nullptr
	Extra TLS Variable Data section. More...

MCSection *	TLSDataSection = nullptr
	Section directive for Thread Local data. ELF, MachO, COFF, and Wasm. More...

MCSection *	TLSBSSSection = nullptr
	Section directive for Thread Local uninitialized data. More...

MCSection *	StackMapSection = nullptr
	StackMap section. More...

MCSection *	FaultMapSection = nullptr
	FaultMap section. More...

MCSection *	RemarksSection = nullptr
	Remarks section. More...

MCSection *	EHFrameSection = nullptr
	EH frame section. More...

MCSection *	StackSizesSection = nullptr
	Section containing metadata on function stack sizes. More...

MCSection *	PseudoProbeSection = nullptr
	Section for pseudo probe information used by AutoFDO. More...

MCSection *	PseudoProbeDescSection = nullptr

MCSection *	DataRelROSection = nullptr

MCSection *	MergeableConst4Section = nullptr

MCSection *	MergeableConst8Section = nullptr

MCSection *	MergeableConst16Section = nullptr

MCSection *	MergeableConst32Section = nullptr

MCSection *	TLSTLVSection = nullptr
	Section for thread local structure information. More...

const MCSection *	TLSThreadInitSection = nullptr
	Section for thread local data initialization functions. More...

MCSection *	CStringSection = nullptr

MCSection *	UStringSection = nullptr

MCSection *	TextCoalSection = nullptr

MCSection *	ConstTextCoalSection = nullptr

MCSection *	ConstDataSection = nullptr

MCSection *	DataCoalSection = nullptr

MCSection *	ConstDataCoalSection = nullptr

MCSection *	DataCommonSection = nullptr

MCSection *	DataBSSSection = nullptr

MCSection *	FourByteConstantSection = nullptr

MCSection *	EightByteConstantSection = nullptr

MCSection *	SixteenByteConstantSection = nullptr

MCSection *	LazySymbolPointerSection = nullptr

MCSection *	NonLazySymbolPointerSection = nullptr

MCSection *	ThreadLocalPointerSection = nullptr

MCSection *	DrectveSection = nullptr
	COFF specific sections. More...

MCSection *	PDataSection = nullptr

MCSection *	XDataSection = nullptr

MCSection *	SXDataSection = nullptr

MCSection *	GEHContSection = nullptr

MCSection *	GFIDsSection = nullptr

MCSection *	GIATsSection = nullptr

MCSection *	GLJMPSection = nullptr

MCSection *	TOCBaseSection = nullptr

Detailed Description

Definition at line 226 of file TargetLoweringObjectFileImpl.h.

Constructor & Destructor Documentation

◆ TargetLoweringObjectFileXCOFF()

llvm::TargetLoweringObjectFileXCOFF::TargetLoweringObjectFileXCOFF ( )

default

◆ ~TargetLoweringObjectFileXCOFF()

llvm::TargetLoweringObjectFileXCOFF::~TargetLoweringObjectFileXCOFF ( )

overridedefault

Member Function Documentation

◆ getEHInfoTableSymbol()

MCSymbol * TargetLoweringObjectFileXCOFF::getEHInfoTableSymbol ( const MachineFunction * MF )

static

Definition at line 2203 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MachineModuleInfo::getContext(), llvm::MachineFunction::getFunctionNumber(), llvm::MachineFunction::getMMI(), and llvm::MCContext::getOrCreateSymbol().

◆ getExplicitSectionGlobal()

MCSection * TargetLoweringObjectFileXCOFF::getExplicitSectionGlobal	(	const GlobalObject *	GO,
		SectionKind	Kind,
		const TargetMachine &	TM
	)		const

overridevirtual

Targets should implement this method to assign a section to globals with an explicit section specfied.

The implementation of this method can assume that GO->hasSection() is true.

Implements llvm::TargetLoweringObjectFile.

Definition at line 2245 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MCObjectFileInfo::getContext(), llvm::GlobalObject::getSection(), llvm::MCContext::getXCOFFSection(), llvm::GlobalObject::hasSection(), llvm::report_fatal_error(), llvm::XCOFF::XMC_PR, llvm::XCOFF::XMC_RO, llvm::XCOFF::XMC_RW, llvm::XCOFF::XMC_TD, and llvm::XCOFF::XTY_SD.

◆ getFunctionEntryPointSymbol()

MCSymbol * TargetLoweringObjectFileXCOFF::getFunctionEntryPointSymbol	(	const GlobalValue *	Func,
		const TargetMachine &	TM
	)		const

overridevirtual

If supported, return the function entry point symbol.

Otherwise, returns nulltpr. Func must be a function or an alias which has a function as base object.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2474 of file TargetLoweringObjectFileImpl.cpp.

References assert(), llvm::MCObjectFileInfo::getContext(), llvm::TargetMachine::getFunctionSections(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), llvm::MCContext::getOrCreateSymbol(), llvm::MCSectionXCOFF::getQualNameSymbol(), llvm::SectionKind::getText(), llvm::MCContext::getXCOFFSection(), llvm::TargetLoweringObjectFile::TM, llvm::XCOFF::XMC_PR, llvm::XCOFF::XTY_ER, and llvm::XCOFF::XTY_SD.

Referenced by SelectSectionForGlobal().

◆ getSectionForConstant()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForConstant	(	const DataLayout &	DL,
		SectionKind	Kind,
		const Constant *	C,
		Align &	Alignment
	)		const

overridevirtual

Given a constant with the SectionKind, return a section that it should be placed in.

Given a mergeable constant with the specified size and relocation information, return a section that it should be placed in.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2414 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MCObjectFileInfo::ReadOnlySection.

◆ getSectionForExternalReference()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForExternalReference	(	const GlobalObject *	GO,
		const TargetMachine &	TM
	)		const

overridevirtual

For external functions, this will always return a function descriptor csect.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2275 of file TargetLoweringObjectFileImpl.cpp.

References assert(), llvm::MCObjectFileInfo::getContext(), llvm::SectionKind::getMetadata(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), llvm::MCContext::getXCOFFSection(), llvm::GlobalValue::isDeclarationForLinker(), llvm::GlobalValue::isThreadLocal(), llvm::TargetLoweringObjectFile::TM, llvm::XCOFF::XMC_DS, llvm::XCOFF::XMC_UA, llvm::XCOFF::XMC_UL, and llvm::XCOFF::XTY_ER.

Referenced by getTargetSymbol().

◆ getSectionForFunctionDescriptor()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForFunctionDescriptor	(	const Function *	F,
		const TargetMachine &	TM
	)		const

overridevirtual

On targets that use separate function descriptor symbols, return a section for the descriptor given its symbol.

Use only with defined functions.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2506 of file TargetLoweringObjectFileImpl.cpp.

References F, llvm::MCObjectFileInfo::getContext(), llvm::SectionKind::getData(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), llvm::MCContext::getXCOFFSection(), llvm::TargetLoweringObjectFile::TM, llvm::XCOFF::XMC_DS, and llvm::XCOFF::XTY_SD.

Referenced by getTargetSymbol().

◆ getSectionForJumpTable()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForJumpTable	(	const Function &	F,
		const TargetMachine &	TM
	)		const

overridevirtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2391 of file TargetLoweringObjectFileImpl.cpp.

References assert(), F, llvm::MCObjectFileInfo::getContext(), llvm::TargetMachine::getFunctionSections(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), llvm::SectionKind::getReadOnly(), llvm::MCContext::getXCOFFSection(), llvm::MCObjectFileInfo::ReadOnlySection, llvm::TargetLoweringObjectFile::TM, llvm::XCOFF::XMC_RO, and llvm::XCOFF::XTY_SD.

◆ getSectionForTOCEntry()

MCSection * TargetLoweringObjectFileXCOFF::getSectionForTOCEntry	(	const MCSymbol *	S,
		const TargetMachine &	TM
	)		const

overridevirtual

On targets that support TOC entries, return a section for the entry given the symbol it refers to.

TODO: Implement this interface for existing ELF targets.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2515 of file TargetLoweringObjectFileImpl.cpp.

References llvm::TargetMachine::getCodeModel(), llvm::MCObjectFileInfo::getContext(), llvm::SectionKind::getData(), llvm::MCContext::getXCOFFSection(), llvm::CodeModel::Large, llvm::TargetLoweringObjectFile::TM, llvm::XCOFF::XMC_TC, llvm::XCOFF::XMC_TE, and llvm::XCOFF::XTY_SD.

◆ getStaticCtorSection()

MCSection * TargetLoweringObjectFileXCOFF::getStaticCtorSection	(	unsigned	Priority,
		const MCSymbol *	KeySym
	)		const

overridevirtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2433 of file TargetLoweringObjectFileImpl.cpp.

References llvm::report_fatal_error().

◆ getStaticDtorSection()

MCSection * TargetLoweringObjectFileXCOFF::getStaticDtorSection	(	unsigned	Priority,
		const MCSymbol *	KeySym
	)		const

overridevirtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2438 of file TargetLoweringObjectFileImpl.cpp.

References llvm::report_fatal_error().

◆ getStorageClassForGlobal()

XCOFF::StorageClass TargetLoweringObjectFileXCOFF::getStorageClassForGlobal ( const GlobalValue * GV )

static

◆ getTargetSymbol()

MCSymbol * TargetLoweringObjectFileXCOFF::getTargetSymbol	(	const GlobalValue *	GV,
		const TargetMachine &	TM
	)		const

overridevirtual

For functions, this will always return a function descriptor symbol.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2209 of file TargetLoweringObjectFileImpl.cpp.

References llvm::SectionKind::getData(), llvm::TargetMachine::getDataSections(), llvm::TargetLoweringObjectFile::getKindForGlobal(), getSectionForExternalReference(), getSectionForFunctionDescriptor(), llvm::SectionKind::isBSSLocal(), llvm::SectionKind::isText(), llvm::SectionKind::isThreadBSSLocal(), llvm::TargetLoweringObjectFile::SectionForGlobal(), and llvm::TargetLoweringObjectFile::TM.

◆ Initialize()

void TargetLoweringObjectFileXCOFF::Initialize	(	MCContext &	ctx,
		const TargetMachine &	TM
	)

overridevirtual

This method must be called before any actual lowering is done.

Initialize - this method must be called before any actual lowering is done.

This specifies the current context for codegen, and gives the lowering implementations a chance to set up their default sections.

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2421 of file TargetLoweringObjectFileImpl.cpp.

References llvm::TargetLoweringObjectFile::CallSiteEncoding, llvm::dwarf::DW_EH_PE_datarel, llvm::dwarf::DW_EH_PE_indirect, llvm::dwarf::DW_EH_PE_sdata4, llvm::dwarf::DW_EH_PE_sdata8, llvm::dwarf::DW_EH_PE_udata4, llvm::TargetMachine::getTargetTriple(), llvm::TargetLoweringObjectFile::Initialize(), llvm::Triple::isArch32Bit(), llvm::TargetLoweringObjectFile::LSDAEncoding, llvm::TargetLoweringObjectFile::PersonalityEncoding, and llvm::TargetLoweringObjectFile::TTypeEncoding.

◆ lowerRelativeReference()

const MCExpr * TargetLoweringObjectFileXCOFF::lowerRelativeReference	(	const GlobalValue *	LHS,
		const GlobalValue *	RHS,
		const TargetMachine &	TM
	)		const

overridevirtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2443 of file TargetLoweringObjectFileImpl.cpp.

References llvm::report_fatal_error().

◆ SelectSectionForGlobal()

MCSection * TargetLoweringObjectFileXCOFF::SelectSectionForGlobal	(	const GlobalObject *	GO,
		SectionKind	Kind,
		const TargetMachine &	TM
	)		const

overridevirtual

Implements llvm::TargetLoweringObjectFile.

Definition at line 2294 of file TargetLoweringObjectFileImpl.cpp.

References llvm::MCObjectFileInfo::DataSection, llvm::MCObjectFileInfo::getContext(), llvm::SectionKind::getData(), llvm::Module::getDataLayout(), llvm::TargetMachine::getDataSections(), getEntrySizeForKind(), getFunctionEntryPointSymbol(), llvm::TargetMachine::getFunctionSections(), llvm::TargetLoweringObjectFile::getNameWithPrefix(), llvm::GlobalValue::getParent(), llvm::DataLayout::getPreferredAlign(), llvm::SectionKind::getReadOnly(), llvm::MCContext::getXCOFFSection(), llvm::GlobalValue::hasCommonLinkage(), llvm::MCObjectFileInfo::ReadOnlySection, llvm::report_fatal_error(), llvm::MCObjectFileInfo::TextSection, llvm::MCObjectFileInfo::TLSDataSection, llvm::TargetLoweringObjectFile::TM, llvm::Align::value(), llvm::XCOFF::XMC_BS, llvm::XCOFF::XMC_RO, llvm::XCOFF::XMC_RW, llvm::XCOFF::XMC_TD, llvm::XCOFF::XMC_TL, llvm::XCOFF::XMC_UL, llvm::XCOFF::XTY_CM, and llvm::XCOFF::XTY_SD.

◆ ShouldEmitEHBlock()

bool TargetLoweringObjectFileXCOFF::ShouldEmitEHBlock ( const MachineFunction * MF )

static

Definition at line 2173 of file TargetLoweringObjectFileImpl.cpp.

References assert(), llvm::classifyEHPersonality(), F, llvm::MachineFunction::getFunction(), llvm::MachineFunction::getLandingPads(), and llvm::isNoOpWithoutInvoke().

Referenced by llvm::AIXException::endFunction().

◆ shouldPutJumpTableInFunctionSection()

bool TargetLoweringObjectFileXCOFF::shouldPutJumpTableInFunctionSection	(	bool	UsesLabelDifference,
		const Function &	F
	)		const

overridevirtual

Reimplemented from llvm::TargetLoweringObjectFile.

Definition at line 2407 of file TargetLoweringObjectFileImpl.cpp.

◆ ShouldSetSSPCanaryBitInTB()

bool TargetLoweringObjectFileXCOFF::ShouldSetSSPCanaryBitInTB ( const MachineFunction * MF )

static

Definition at line 2191 of file TargetLoweringObjectFileImpl.cpp.

References F, and llvm::MachineFunction::getFunction().

The documentation for this class was generated from the following files:

include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
lib/CodeGen/TargetLoweringObjectFileImpl.cpp

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ TargetLoweringObjectFileXCOFF()

◆ ~TargetLoweringObjectFileXCOFF()

Member Function Documentation

◆ getEHInfoTableSymbol()

◆ getExplicitSectionGlobal()

◆ getFunctionEntryPointSymbol()

◆ getSectionForConstant()

◆ getSectionForExternalReference()

◆ getSectionForFunctionDescriptor()

◆ getSectionForJumpTable()

◆ getSectionForTOCEntry()

◆ getStaticCtorSection()

◆ getStaticDtorSection()

◆ getStorageClassForGlobal()

◆ getTargetSymbol()

◆ Initialize()

◆ lowerRelativeReference()

◆ SelectSectionForGlobal()

◆ ShouldEmitEHBlock()

◆ shouldPutJumpTableInFunctionSection()

◆ ShouldSetSSPCanaryBitInTB()