llvm::MCSectionCOFF Class Reference

This represents a section on Windows. More...

#include "llvm/MC/MCSectionCOFF.h"

Inheritance diagram for llvm::MCSectionCOFF:

Public Member Functions
bool	shouldOmitSectionDirective (StringRef Name, const MCAsmInfo &MAI) const
	Decides whether a '.section' directive should be printed before the section name.
unsigned	getCharacteristics () const
MCSymbol *	getCOMDATSymbol () const
int	getSelection () const
void	setSelection (int Selection) const
void	printSwitchToSection (const MCAsmInfo &MAI, const Triple &T, raw_ostream &OS, uint32_t Subsection) const override
bool	useCodeAlign () const override
	Return true if a .align directive should use "optimized nops" to fill instead of 0s.
StringRef	getVirtualSectionKind () const override
unsigned	getOrAssignWinCFISectionID (unsigned *NextID) const
Public Member Functions inherited from llvm::MCSection
	MCSection (const MCSection &)=delete
MCSection &	operator= (const MCSection &)=delete
StringRef	getName () const
bool	isText () const
SectionVariant	getVariant () const
MCSymbol *	getBeginSymbol ()
const MCSymbol *	getBeginSymbol () const
void	setBeginSymbol (MCSymbol *Sym)
MCSymbol *	getEndSymbol (MCContext &Ctx)
bool	hasEnded () const
Align	getAlign () const
void	setAlignment (Align Value)
void	ensureMinAlignment (Align MinAlignment)
	Makes sure that Alignment is at least MinAlignment.
unsigned	getOrdinal () const
void	setOrdinal (unsigned Value)
BundleLockStateType	getBundleLockState () const
void	setBundleLockState (BundleLockStateType NewState)
bool	isBundleLocked () const
bool	isBundleGroupBeforeFirstInst () const
void	setBundleGroupBeforeFirstInst (bool IsFirst)
bool	hasInstructions () const
void	setHasInstructions (bool Value)
bool	hasLayout () const
void	setHasLayout (bool Value)
bool	isRegistered () const
void	setIsRegistered (bool Value)
const MCDummyFragment &	getDummyFragment () const
MCDummyFragment &	getDummyFragment ()
FragList *	curFragList () const
iterator	begin () const
iterator	end () const
bool	empty () const
void	dump () const
virtual void	printSwitchToSection (const MCAsmInfo &MAI, const Triple &T, raw_ostream &OS, uint32_t Subsection) const =0
virtual bool	useCodeAlign () const =0
	Return true if a .align directive should use "optimized nops" to fill instead of 0s.
bool	isVirtualSection () const
	Check whether this section is "virtual", that is has no actual object file contents.
virtual StringRef	getVirtualSectionKind () const

Static Public Member Functions
static bool	isImplicitlyDiscardable (StringRef Name)
static bool	classof (const MCSection *S)

Friends
class	MCContext

Additional Inherited Members
Public Types inherited from llvm::MCSection
enum	SectionVariant {   SV_COFF = 0 , SV_ELF , SV_GOFF , SV_MachO ,   SV_Wasm , SV_XCOFF , SV_SPIRV , SV_DXContainer }
enum	BundleLockStateType { NotBundleLocked , BundleLocked , BundleLockedAlignToEnd }
	Express the state of bundle locked groups while emitting code. More...
Public Attributes inherited from llvm::MCSection
friend	MCAssembler
friend	MCObjectStreamer
Static Public Attributes inherited from llvm::MCSection
static constexpr unsigned	NonUniqueID = ~0U
Protected Member Functions inherited from llvm::MCSection
	MCSection (SectionVariant V, StringRef Name, bool IsText, bool IsVirtual, MCSymbol *Begin)
	~MCSection ()
Protected Attributes inherited from llvm::MCSection
StringRef	Name
SectionVariant	Variant

Detailed Description

This represents a section on Windows.

Definition at line 27 of file MCSectionCOFF.h.

Member Function Documentation

classof()

static bool llvm::MCSectionCOFF::classof ( const MCSection *  S )

inlinestatic

Definition at line 91 of file MCSectionCOFF.h.

References llvm::MCSection::getVariant(), and llvm::MCSection::SV_COFF.

getCharacteristics()

unsigned llvm::MCSectionCOFF::getCharacteristics ( ) const

inline

Definition at line 69 of file MCSectionCOFF.h.

References Characteristics.

Referenced by llvm::MCContext::getAssociativeCOFFSection(), and printSwitchToSection().

getCOMDATSymbol()

MCSymbol * llvm::MCSectionCOFF::getCOMDATSymbol ( ) const

inline

Definition at line 70 of file MCSectionCOFF.h.

Referenced by llvm::WinCOFFWriter::writeObject().

getOrAssignWinCFISectionID()

unsigned llvm::MCSectionCOFF::getOrAssignWinCFISectionID ( unsigned *  NextID ) const

inline

Definition at line 81 of file MCSectionCOFF.h.

getSelection()

int llvm::MCSectionCOFF::getSelection ( ) const

inline

Definition at line 71 of file MCSectionCOFF.h.

References Selection.

getVirtualSectionKind()

StringRef MCSectionCOFF::getVirtualSectionKind ( ) const

overridevirtual

Reimplemented from llvm::MCSection.

Definition at line 111 of file MCSectionCOFF.cpp.

isImplicitlyDiscardable()

static bool llvm::MCSectionCOFF::isImplicitlyDiscardable ( StringRef  Name )

inlinestatic

Definition at line 87 of file MCSectionCOFF.h.

References llvm::MCSection::Name, and llvm::StringRef::starts_with().

Referenced by printSwitchToSection().

printSwitchToSection()

void MCSectionCOFF::printSwitchToSection ( const MCAsmInfo &  MAI, const Triple &  T, raw_ostream &  OS, uint32_t  Subsection  ) const

overridevirtual

Implements llvm::MCSection.

Definition at line 37 of file MCSectionCOFF.cpp.

References assert(), getCharacteristics(), llvm::MCSection::getName(), llvm::COFF::IMAGE_COMDAT_SELECT_ANY, llvm::COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE, llvm::COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH, llvm::COFF::IMAGE_COMDAT_SELECT_LARGEST, llvm::COFF::IMAGE_COMDAT_SELECT_NEWEST, llvm::COFF::IMAGE_COMDAT_SELECT_NODUPLICATES, llvm::COFF::IMAGE_COMDAT_SELECT_SAME_SIZE, llvm::COFF::IMAGE_SCN_CNT_INITIALIZED_DATA, llvm::COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA, llvm::COFF::IMAGE_SCN_LNK_COMDAT, llvm::COFF::IMAGE_SCN_LNK_INFO, llvm::COFF::IMAGE_SCN_LNK_REMOVE, llvm::COFF::IMAGE_SCN_MEM_DISCARDABLE, llvm::COFF::IMAGE_SCN_MEM_EXECUTE, llvm::COFF::IMAGE_SCN_MEM_READ, llvm::COFF::IMAGE_SCN_MEM_SHARED, llvm::COFF::IMAGE_SCN_MEM_WRITE, isImplicitlyDiscardable(), OS, llvm::MCSymbol::print(), and shouldOmitSectionDirective().

setSelection()

void MCSectionCOFF::setSelection

(

int

Selection

)

const

Definition at line 31 of file MCSectionCOFF.cpp.

References assert(), llvm::COFF::IMAGE_SCN_LNK_COMDAT, and Selection.

shouldOmitSectionDirective()

bool MCSectionCOFF::shouldOmitSectionDirective	(	StringRef	Name,
		const MCAsmInfo &	MAI
	)		const

Decides whether a '.section' directive should be printed before the section name.

Definition at line 19 of file MCSectionCOFF.cpp.

References llvm::MCSection::Name.

Referenced by printSwitchToSection().

useCodeAlign()

bool MCSectionCOFF::useCodeAlign ( ) const

overridevirtual

Return true if a .align directive should use "optimized nops" to fill instead of 0s.

Implements llvm::MCSection.

Definition at line 109 of file MCSectionCOFF.cpp.

References llvm::MCSection::isText().

Friends And Related Function Documentation

MCContext

friend class MCContext

friend

Definition at line 51 of file MCSectionCOFF.h.

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

• include/llvm/MC/MCSectionCOFF.h
• lib/MC/MCSectionCOFF.cpp