Lowering for an AVR ELF32 object file. More...

#include "Target/AVR/AVRTargetObjectFile.h"

Inheritance diagram for llvm::AVRTargetObjectFile:

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Public Member Functions
void	Initialize (MCContext &ctx, const TargetMachine &TM) override
	This method must be called before any actual lowering is done.

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

Public Member Functions inherited from llvm::TargetLoweringObjectFileELF
	TargetLoweringObjectFileELF ()

	~TargetLoweringObjectFileELF () override=default

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

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

void	emitModuleMetadata (MCStreamer &Streamer, Module &M) const override
	Emit Obj-C garbage collection and linker options.

void	emitPersonalityValue (MCStreamer &Streamer, const DataLayout &DL, const MCSymbol *Sym) 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.

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.

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

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

MCSection *	getSectionForLSDA (const Function &F, const MCSymbol &FnSym, const TargetMachine &TM) const override

MCSection *	getSectionForMachineBasicBlock (const Function &F, const MachineBasicBlock &MBB, const TargetMachine &TM) const override
	Returns a unique section for the given machine basic block.

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

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

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

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

void	InitializeELF (bool UseInitArray_)

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

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

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

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

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.

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

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

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

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.

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

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

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

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

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

virtual MCSection *	getExplicitSectionGlobal (const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const =0
	Targets should implement this method to assign a section to globals with an explicit section specfied.

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.

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.

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

virtual MCSection *	getStaticDtorSection (unsigned Priority, const MCSymbol *KeySym) 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.

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

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

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?

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

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

virtual MCRegister	getStaticBase () const
	Returns the register used as static base in RWPI variants.

virtual const MCExpr *	getIndirectSymViaRWPI (const MCSymbol *Sym) const
	Get the target specific RWPI relocation.

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.

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

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

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

virtual MCSection *	getSectionForExternalReference (const GlobalObject *GO, const TargetMachine &TM) const
	On targets that associate external references with a section, return such a section for the given external global.

virtual MCSymbol *	getTargetSymbol (const GlobalValue *GV, const TargetMachine &TM) const
	Targets that have a special convention for their symbols could use this hook to return a specialized symbol.

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

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

virtual	~MCObjectFileInfo ()

MCContext &	getContext () const

bool	getSupportsWeakOmittedEHFrame () const

bool	getSupportsCompactUnwindWithoutEHFrame () const

bool	getOmitDwarfIfHaveCompactUnwind () const

unsigned	getFDEEncoding () const

unsigned	getCompactUnwindDwarfEHFrameOnly () const

virtual unsigned	getTextSectionAlignment () 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 *	getKCFITrapSection (const MCSection &TextSec) const

MCSection *	getPseudoProbeSection (const MCSection &TextSec) const

MCSection *	getPseudoProbeDescSection (StringRef FuncName) const

MCSection *	getLLVMStatsSection () const

MCSection *	getPCSection (StringRef Name, const MCSection *TextSec) 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 *	getAddrSigSection () 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 *	getPPA1Section () const

MCSection *	getPPA2Section () const

MCSection *	getPPA2ListSection () const

MCSection *	getADASection () const

MCSection *	getIDRLSection () const

MCSection *	getTOCBaseSection () const

MCSection *	getEHFrameSection () const

bool	isPositionIndependent () const

MCSection *	getSwift5ReflectionSection (llvm::binaryformat::Swift5ReflectionSectionKind ReflSectionKind)

Additional Inherited Members
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.

virtual MCSection *	SelectSectionForGlobal (const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const =0

Protected Attributes inherited from llvm::TargetLoweringObjectFileELF
MCSymbolRefExpr::VariantKind	PLTRelativeVariantKind

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.

unsigned	LSDAEncoding = 0

unsigned	TTypeEncoding = 0

unsigned	CallSiteEncoding = 0

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

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

const TargetMachine *	TM = nullptr

Protected Attributes inherited from llvm::MCObjectFileInfo
bool	SupportsWeakOmittedEHFrame = false
	True if target object file supports a weak_definition of constant 0 for an omitted EH frame.

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

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

unsigned	FDECFIEncoding = 0
	FDE CFI encoding.

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

MCSection *	TextSection = nullptr
	Section directive for standard text.

MCSection *	DataSection = nullptr
	Section directive for standard data.

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

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

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

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.

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.

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.

MCSection *	DwarfAddrSection = nullptr

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

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

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

MCSection *	DwarfLoclistsDWOSection = nullptr

MCSection *	DwarfCUIndexSection = nullptr

MCSection *	DwarfTUIndexSection = nullptr

MCSection *	DwarfGnuPubNamesSection = nullptr
	Section for newer gnu pubnames.

MCSection *	DwarfGnuPubTypesSection = nullptr
	Section for newer gnu pubtypes.

MCSection *	DwarfSwiftASTSection = nullptr

MCSection *	COFFDebugSymbolsSection = nullptr

MCSection *	COFFDebugTypesSection = nullptr

MCSection *	COFFGlobalTypeHashesSection = nullptr

MCSection *	TLSExtraDataSection = nullptr
	Extra TLS Variable Data section.

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

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

MCSection *	StackMapSection = nullptr
	StackMap section.

MCSection *	FaultMapSection = nullptr
	FaultMap section.

MCSection *	RemarksSection = nullptr
	Remarks section.

MCSection *	EHFrameSection = nullptr
	EH frame section.

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

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

MCSection *	PseudoProbeDescSection = nullptr

MCSection *	LLVMStatsSection = 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.

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

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 *	AddrSigSection = nullptr

MCSection *	DrectveSection = nullptr
	COFF specific sections.

MCSection *	PDataSection = nullptr

MCSection *	XDataSection = nullptr

MCSection *	SXDataSection = nullptr

MCSection *	GEHContSection = nullptr

MCSection *	GFIDsSection = nullptr

MCSection *	GIATsSection = nullptr

MCSection *	GLJMPSection = nullptr

MCSection *	PPA1Section = nullptr

MCSection *	PPA2Section = nullptr

MCSection *	PPA2ListSection = nullptr

MCSection *	ADASection = nullptr

MCSection *	IDRLSection = nullptr

MCSection *	TOCBaseSection = nullptr

MCSection *	ReadOnly8Section = nullptr

MCSection *	ReadOnly16Section = nullptr

std::array< MCSection *, binaryformat::Swift5ReflectionSectionKind::last >	Swift5ReflectionSections = {}