LLVM: llvm::MCFragment Class Reference (original) (raw)

#include "[llvm/MC/MCSection.h](MCSection%5F8h%5Fsource.html)"

Public Types
enum	FragmentType : uint8_t { FT_Data, FT_Relaxable, FT_Align, FT_Fill, FT_LEB, FT_Nops, FT_Org, FT_Dwarf, FT_DwarfFrame, FT_SFrame, FT_BoundaryAlign, FT_SymbolId, FT_CVInlineLines, FT_CVDefRange }

Public Member Functions
LLVM_ABI	MCFragment (FragmentType Kind=MCFragment::FT_Data, bool HasInstructions=false)
	MCFragment (const MCFragment &)=delete
MCFragment &	operator= (const MCFragment &)=delete
MCFragment *	getNext () const
FragmentType	getKind () const
MCSection *	getParent () const
void	setParent (MCSection *Value)
LLVM_ABI const MCSymbol *	getAtom () const
unsigned	getLayoutOrder () const
void	setLayoutOrder (unsigned Value)
bool	hasInstructions () const
	Does this fragment have instructions emitted into it?
LLVM_ABI void	dump () const
const MCSubtargetInfo *	getSubtargetInfo () const
	Retrieve the MCSubTargetInfo in effect when the instruction was encoded.
void	setHasInstructions (const MCSubtargetInfo &STI)
	Record that the fragment contains instructions with the MCSubtargetInfo in effect when the instruction was encoded.
bool	isLinkerRelaxable () const
void	setLinkerRelaxable ()
bool	getAllowAutoPadding () const
void	setAllowAutoPadding (bool V)
MutableArrayRef< char >	getContents ()
ArrayRef< char >	getContents () const
LLVM_ABI void	setVarContents (ArrayRef< char > Contents)
void	clearVarContents ()
MutableArrayRef< char >	getVarContents ()
ArrayRef< char >	getVarContents () const
size_t	getFixedSize () const
size_t	getVarSize () const
size_t	getSize () const
void	clearFixups ()
LLVM_ABI void	addFixup (MCFixup Fixup)
LLVM_ABI void	appendFixups (ArrayRef< MCFixup > Fixups)
MutableArrayRef< MCFixup >	getFixups ()
ArrayRef< MCFixup >	getFixups () const
LLVM_ABI void	setVarFixups (ArrayRef< MCFixup > Fixups)
void	clearVarFixups ()
MutableArrayRef< MCFixup >	getVarFixups ()
ArrayRef< MCFixup >	getVarFixups () const
unsigned	getOpcode () const
ArrayRef< MCOperand >	getOperands () const
MCInst	getInst () const
void	setInst (const MCInst &Inst)
void	makeAlign (Align Alignment, int64_t Fill, uint8_t FillLen, unsigned MaxBytesToEmit)
Align	getAlignment () const
int64_t	getAlignFill () const
uint8_t	getAlignFillLen () const
unsigned	getAlignMaxBytesToEmit () const
bool	hasAlignEmitNops () const
void	makeLEB (bool IsSigned, const MCExpr *Value)
const MCExpr &	getLEBValue () const
void	setLEBValue (const MCExpr *Expr)
bool	isLEBSigned () const
const MCExpr &	getDwarfAddrDelta () const
void	setDwarfAddrDelta (const MCExpr *E)
int64_t	getDwarfLineDelta () const
void	setDwarfLineDelta (int64_t LineDelta)
const MCExpr &	getSFrameAddrDelta () const
void	setSFrameAddrDelta (const MCExpr *E)
MCFragment *	getSFrameFDE () const
void	setSFrameFDE (MCFragment *F)

Friends
class	MCAssembler
class	MCStreamer
class	MCObjectStreamer
class	MCSection

Definition at line 45 of file MCSection.h.

◆ FragmentType

Enumerator
FT_Data
FT_Relaxable
FT_Align
FT_Fill
FT_LEB
FT_Nops
FT_Org
FT_Dwarf
FT_DwarfFrame
FT_SFrame
FT_BoundaryAlign
FT_SymbolId
FT_CVInlineLines
FT_CVDefRange

Definition at line 52 of file MCSection.h.

MCFragment::MCFragment	(	FragmentType	Kind = MCFragment::FT_Data,
bool	HasInstructions = false )

Definition at line 30 of file MCFragment.cpp.

Referenced by llvm::MCBoundaryAlignFragment::classof(), llvm::MCCVDefRangeFragment::classof(), llvm::MCCVInlineLineTableFragment::classof(), llvm::MCFillFragment::classof(), llvm::MCNopsFragment::classof(), llvm::MCOrgFragment::classof(), llvm::MCSymbolIdFragment::classof(), llvm::MCBoundaryAlignFragment::getLastFragment(), getNext(), getSFrameFDE(), llvm::MCBoundaryAlignFragment::MCBoundaryAlignFragment(), llvm::MCCVDefRangeFragment::MCCVDefRangeFragment(), llvm::MCCVInlineLineTableFragment::MCCVInlineLineTableFragment(), llvm::MCFillFragment::MCFillFragment(), MCFragment(), llvm::MCNopsFragment::MCNopsFragment(), llvm::MCOrgFragment::MCOrgFragment(), llvm::MCSymbolIdFragment::MCSymbolIdFragment(), operator=(), llvm::MCBoundaryAlignFragment::setLastFragment(), and setSFrameFDE().

◆ MCFragment() [2/2]

◆ addFixup()

void MCFragment::addFixup	(	MCFixup	Fixup	)

◆ appendFixups()

◆ clearFixups()

void llvm::MCFragment::clearFixups ( )	inline

◆ clearVarContents()

void llvm::MCFragment::clearVarContents ( )	inline

◆ clearVarFixups()

void llvm::MCFragment::clearVarFixups ( )	inline

◆ dump()

Definition at line 42 of file MCFragment.cpp.

References llvm::cast(), llvm::MCInst::dump_pretty(), llvm::enumerate(), llvm::errs(), F, llvm::Fixed, llvm::format(), FT_Align, FT_BoundaryAlign, FT_CVDefRange, FT_CVInlineLines, FT_Data, FT_Dwarf, FT_DwarfFrame, FT_Fill, FT_LEB, FT_Nops, FT_Org, FT_Relaxable, FT_SFrame, FT_SymbolId, getAlignFill(), getAlignFillLen(), getAlignMaxBytesToEmit(), getAlignment(), getContents(), getDwarfAddrDelta(), getDwarfLineDelta(), getFixups(), getInst(), getKind(), getLEBValue(), getVarContents(), getVarFixups(), hasAlignEmitNops(), I, isLEBSigned(), isLinkerRelaxable(), LLVM_DUMP_METHOD, llvm_unreachable, and llvm::Align::value().

◆ getAlignFill()

int64_t llvm::MCFragment::getAlignFill ( ) const	inline

◆ getAlignFillLen()

uint8_t llvm::MCFragment::getAlignFillLen ( ) const	inline

◆ getAlignMaxBytesToEmit()

unsigned llvm::MCFragment::getAlignMaxBytesToEmit ( ) const	inline

◆ getAlignment()

Align llvm::MCFragment::getAlignment ( ) const	inline

◆ getAllowAutoPadding()

bool llvm::MCFragment::getAllowAutoPadding ( ) const	inline

◆ getAtom()

◆ getContents() [1/2]

◆ getContents() [2/2]

ArrayRef< char > llvm::MCFragment::getContents ( ) const	inline

◆ getDwarfAddrDelta()

const MCExpr & llvm::MCFragment::getDwarfAddrDelta ( ) const	inline

◆ getDwarfLineDelta()

int64_t llvm::MCFragment::getDwarfLineDelta ( ) const	inline

◆ getFixedSize()

size_t llvm::MCFragment::getFixedSize ( ) const	inline

◆ getFixups() [1/2]

◆ getFixups() [2/2]

◆ getInst()

MCInst llvm::MCFragment::getInst ( ) const	inline

◆ getKind()

FragmentType llvm::MCFragment::getKind ( ) const	inline

◆ getLayoutOrder()

unsigned llvm::MCFragment::getLayoutOrder ( ) const	inline

◆ getLEBValue()

const MCExpr & llvm::MCFragment::getLEBValue ( ) const	inline

◆ getNext()

MCFragment * llvm::MCFragment::getNext ( ) const	inline

◆ getOpcode()

unsigned llvm::MCFragment::getOpcode ( ) const	inline

◆ getOperands()

◆ getParent()

MCSection * llvm::MCFragment::getParent ( ) const	inline

Definition at line 167 of file MCSection.h.

References MCSection.

Referenced by appendFixups(), attemptToFoldSymbolOffsetDifference(), llvm::RISCVAsmBackend::evaluateFixup(), llvm::MachObjectWriter::getAtom(), getFixups(), getFixups(), getInst(), getOperands(), llvm::MCSymbol::getSection(), llvm::MachObjectWriter::getSymbolAddress(), getVarContents(), getVarContents(), getVarFixups(), getVarFixups(), llvm::ELFObjectWriter::isSymbolRefDifferenceFullyResolvedImpl(), llvm::MachObjectWriter::isSymbolRefDifferenceFullyResolvedImpl(), llvm::MCObjectWriter::isSymbolRefDifferenceFullyResolvedImpl(), llvm::WinCOFFObjectWriter::isSymbolRefDifferenceFullyResolvedImpl(), setInst(), llvm::MCBoundaryAlignFragment::setLastFragment(), setVarContents(), and setVarFixups().

◆ getSFrameAddrDelta()

const MCExpr & llvm::MCFragment::getSFrameAddrDelta ( ) const	inline

◆ getSFrameFDE()

MCFragment * llvm::MCFragment::getSFrameFDE ( ) const	inline

◆ getSize()

size_t llvm::MCFragment::getSize ( ) const	inline

◆ getSubtargetInfo()

Retrieve the MCSubTargetInfo in effect when the instruction was encoded.

Guaranteed to be non-null if hasInstructions() == true

Definition at line 183 of file MCSection.h.

References STI.

Referenced by writeFragment().

◆ getVarContents() [1/2]

◆ getVarContents() [2/2]

ArrayRef< char > llvm::MCFragment::getVarContents ( ) const	inline

◆ getVarFixups() [1/2]

◆ getVarFixups() [2/2]

◆ getVarSize()

size_t llvm::MCFragment::getVarSize ( ) const	inline

◆ hasAlignEmitNops()

bool llvm::MCFragment::hasAlignEmitNops ( ) const	inline

◆ hasInstructions()

bool llvm::MCFragment::hasInstructions ( ) const	inline

Does this fragment have instructions emitted into it?

By default this is false, but specific fragment types may set it to true.

Definition at line 177 of file MCSection.h.

◆ isLEBSigned()

bool llvm::MCFragment::isLEBSigned ( ) const	inline

◆ isLinkerRelaxable()

bool llvm::MCFragment::isLinkerRelaxable ( ) const	inline

◆ makeAlign()

void llvm::MCFragment::makeAlign ( Align Alignment, int64_t Fill, uint8_t FillLen, unsigned MaxBytesToEmit )	inline

◆ makeLEB()

◆ operator=()

◆ setAllowAutoPadding()

void llvm::MCFragment::setAllowAutoPadding ( bool V)	inline

◆ setDwarfAddrDelta()

void llvm::MCFragment::setDwarfAddrDelta ( const MCExpr * E)	inline

◆ setDwarfLineDelta()

void llvm::MCFragment::setDwarfLineDelta ( int64_t LineDelta)	inline

◆ setHasInstructions()

◆ setInst()

void llvm::MCFragment::setInst ( const MCInst & Inst)	inline

◆ setLayoutOrder()

void llvm::MCFragment::setLayoutOrder ( unsigned Value)	inline

◆ setLEBValue()

void llvm::MCFragment::setLEBValue ( const MCExpr * Expr)	inline

◆ setLinkerRelaxable()

void llvm::MCFragment::setLinkerRelaxable ( )	inline

◆ setParent()

void llvm::MCFragment::setParent ( MCSection * Value)	inline

◆ setSFrameAddrDelta()

void llvm::MCFragment::setSFrameAddrDelta ( const MCExpr * E)	inline

◆ setSFrameFDE()

void llvm::MCFragment::setSFrameFDE ( MCFragment * F)	inline

◆ setVarContents()

void MCFragment::setVarContents	(	ArrayRef< char >	Contents	)