This represents a section on a Mach-O system (used by Mac OS X). More...

#include "llvm/MC/MCSectionMachO.h"

Inheritance diagram for llvm::MCSectionMachO:

Collaboration diagram for llvm::MCSectionMachO:

Public Member Functions
StringRef	getSegmentName () const

StringRef	getSectionName () const

unsigned	getTypeAndAttributes () const

unsigned	getStubSize () const

MachO::SectionType	getType () const

bool	hasAttribute (unsigned Value) const

void	PrintSwitchToSection (const MCAsmInfo &MAI, const Triple &T, raw_ostream &OS, const MCExpr *Subsection) const override

bool	UseCodeAlign () const override
	Return true if a .align directive should use "optimized nops" to fill instead of 0s. More...

bool	isVirtualSection () const override
	Check whether this section is "virtual", that is has no actual object file contents. More...

Public Member Functions inherited from llvm::MCSection
	MCSection (const MCSection &)=delete

MCSection &	operator= (const MCSection &)=delete

SectionKind	getKind () const

SectionVariant	getVariant () const

MCSymbol *	getBeginSymbol ()

const MCSymbol *	getBeginSymbol () const

void	setBeginSymbol (MCSymbol *Sym)

MCSymbol *	getEndSymbol (MCContext &Ctx)

bool	hasEnded () const

unsigned	getAlignment () const

void	setAlignment (unsigned Value)

unsigned	getOrdinal () const

void	setOrdinal (unsigned Value)

unsigned	getLayoutOrder () const

void	setLayoutOrder (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	hasData () const

void	setHasData (bool Value)

bool	isRegistered () const

void	setIsRegistered (bool Value)

MCSection::FragmentListType &	getFragmentList ()

const MCSection::FragmentListType &	getFragmentList () const

const MCDummyFragment &	getDummyFragment () const

MCDummyFragment &	getDummyFragment ()

iterator	begin ()

const_iterator	begin () const

iterator	end ()

const_iterator	end () const

reverse_iterator	rbegin ()

const_reverse_iterator	rbegin () const

reverse_iterator	rend ()

const_reverse_iterator	rend () const

MCSection::iterator	getSubsectionInsertionPoint (unsigned Subsection)

void	dump () const

Static Public Member Functions
static std::string	ParseSectionSpecifier (StringRef Spec, StringRef &Segment, StringRef &Section, unsigned &TAA, bool &TAAParsed, unsigned &StubSize)
	Parse the section specifier indicated by "Spec". More...

static bool	classof (const MCSection *S)

Static Public Member Functions inherited from llvm::MCSection
static FragmentListType MCSection::*	getSublistAccess (MCFragment *)
	Support for MCFragment::getNextNode(). More...

Friends
class	MCContext

Additional Inherited Members
Public Types inherited from llvm::MCSection
enum	SectionVariant { SV_COFF = 0, SV_ELF, SV_MachO, SV_Wasm }

enum	BundleLockStateType { NotBundleLocked, BundleLocked, BundleLockedAlignToEnd }
	Express the state of bundle locked groups while emitting code. More...

using	FragmentListType = iplist< MCFragment >

using	const_iterator = FragmentListType::const_iterator

using	iterator = FragmentListType::iterator

using	const_reverse_iterator = FragmentListType::const_reverse_iterator

using	reverse_iterator = FragmentListType::reverse_iterator

Protected Member Functions inherited from llvm::MCSection
	MCSection (SectionVariant V, SectionKind K, MCSymbol *Begin)

	~MCSection ()

Protected Attributes inherited from llvm::MCSection
SectionVariant	Variant

SectionKind	Kind

Detailed Description

This represents a section on a Mach-O system (used by Mac OS X).

On a Mac system, these are also described in /usr/include/mach-o/loader.h.

Definition at line 25 of file MCSectionMachO.h.

Member Function Documentation

◆ classof()

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

inlinestatic

Definition at line 85 of file MCSectionMachO.h.

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

◆ getSectionName()

StringRef llvm::MCSectionMachO::getSectionName ( ) const

inline

Definition at line 48 of file MCSectionMachO.h.

Referenced by canGoAfterDWARF(), canUseLocalRelocation(), llvm::MCAsmInfoDarwin::isSectionAtomizableBySymbols(), and PrintSwitchToSection().

◆ getSegmentName()

StringRef llvm::MCSectionMachO::getSegmentName ( ) const

inline

Definition at line 42 of file MCSectionMachO.h.

Referenced by canGoAfterDWARF(), canUseLocalRelocation(), getPlatformName(), llvm::MCAsmInfoDarwin::isSectionAtomizableBySymbols(), and PrintSwitchToSection().

◆ getStubSize()

unsigned llvm::MCSectionMachO::getStubSize ( ) const

inline

Definition at line 56 of file MCSectionMachO.h.

◆ getType()

MachO::SectionType llvm::MCSectionMachO::getType ( ) const

inline

Definition at line 58 of file MCSectionMachO.h.

References llvm::MachO::SECTION_TYPE.

Referenced by llvm::MachObjectWriter::bindIndirectSymbols(), canUseLocalRelocation(), llvm::MCAsmInfoDarwin::isSectionAtomizableBySymbols(), isVirtualSection(), and PrintSwitchToSection().

◆ getTypeAndAttributes()

unsigned llvm::MCSectionMachO::getTypeAndAttributes ( ) const

inline

Definition at line 55 of file MCSectionMachO.h.

Referenced by llvm::TargetLoweringObjectFileMachO::getExplicitSectionGlobal(), and PrintSwitchToSection().

◆ hasAttribute()

bool llvm::MCSectionMachO::hasAttribute ( unsigned Value ) const

inline

Definition at line 62 of file MCSectionMachO.h.

References isVirtualSection(), ParseSectionSpecifier(), PrintSwitchToSection(), and UseCodeAlign().

Referenced by canUseLocalRelocation(), canUsePrivateLabel(), getFixupKindLog2Size(), and UseCodeAlign().

◆ isVirtualSection()

bool MCSectionMachO::isVirtualSection ( ) const

overridevirtual

Check whether this section is "virtual", that is has no actual object file contents.

Implements llvm::MCSection.

Definition at line 172 of file MCSectionMachO.cpp.

References getType(), llvm::MachO::S_GB_ZEROFILL, llvm::MachO::S_THREAD_LOCAL_ZEROFILL, and llvm::MachO::S_ZEROFILL.

Referenced by hasAttribute(), and llvm::MachObjectWriter::writeSection().

◆ ParseSectionSpecifier()

std::string MCSectionMachO::ParseSectionSpecifier	(	StringRef	Spec,
		StringRef &	Segment,
		StringRef &	Section,
		unsigned &	TAA,
		bool &	TAAParsed,
		unsigned &	StubSize
	)

static

Parse the section specifier indicated by "Spec".

ParseSectionSpecifier - Parse the section specifier indicated by "Spec".

This is a string that can appear after a .section directive in a mach-o flavored .s file. If successful, this fills in the specified Out parameters and returns an empty string. When an invalid section specifier is present, this returns a string indicating the problem. If no TAA was parsed, TAA is not altered, and TAAWasSet becomes false.

This is a string that can appear after a .section directive in a mach-o flavored .s file. If successful, this fills in the specified Out parameters and returns an empty string. When an invalid section specifier is present, this returns a string indicating the problem.

Definition at line 183 of file MCSectionMachO.cpp.

References llvm::AMDGPU::HSAMD::Kernel::Key::Attrs, llvm::sys::path::begin(), llvm::StringRef::empty(), llvm::sys::path::end(), llvm::find_if(), llvm::StringRef::getAsInteger(), llvm::MachO::S_SYMBOL_STUBS, llvm::MachO::SECTION_TYPE, SectionAttrDescriptors, SectionTypeDescriptors, llvm::SmallVectorBase::size(), llvm::StringRef::size(), and llvm::StringRef::split().