llvm::MCFragment Class Reference

#include "llvm/MC/MCFragment.h"

Inheritance diagram for llvm::MCFragment:

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

Public Member Functions
	MCFragment ()=delete
	MCFragment (const MCFragment &)=delete
MCFragment &	operator= (const MCFragment &)=delete
void	destroy ()
	Destroys the current fragment.
FragmentType	getKind () const
MCSection *	getParent () const
void	setParent (MCSection *Value)
const MCSymbol *	getAtom () const
void	setAtom (const MCSymbol *Value)
unsigned	getLayoutOrder () const
void	setLayoutOrder (unsigned Value)
bool	hasInstructions () const
	Does this fragment have instructions emitted into it? By default this is false, but specific fragment types may set it to true.
void	dump () const
void	setSubsectionNumber (unsigned Value)
unsigned	getSubsectionNumber () const
Public Member Functions inherited from llvm::ilist_node_with_parent< MCFragment, MCSection >
MCFragment *	getPrevNode ()
const MCFragment *	getPrevNode () const
	Get the previous node, or nullptr for the list head.
MCFragment *	getNextNode ()
	Get the next node, or nullptr for the list tail.
const MCFragment *	getNextNode () const
	Get the next node, or nullptr for the list tail.
Public Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< T, Options... >::type >
self_iterator	getIterator ()
const_self_iterator	getIterator () const
reverse_self_iterator	getReverseIterator ()
const_reverse_self_iterator	getReverseIterator () const
bool	isSentinel () const
	Check whether this is the sentinel node.

Protected Member Functions
	MCFragment (FragmentType Kind, bool HasInstructions, MCSection *Parent=nullptr)
Protected Member Functions inherited from llvm::ilist_node_with_parent< MCFragment, MCSection >
	ilist_node_with_parent ()=default
Protected Member Functions inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< T, Options... >::type >
	ilist_node_impl ()=default

Protected Attributes
bool	HasInstructions
bool	LinkerRelaxable = false

Friends
class	MCAsmLayout

Additional Inherited Members
Protected Types inherited from llvm::ilist_node_impl< ilist_detail::compute_node_options< T, Options... >::type >
using	self_iterator = typename ilist_select_iterator_type< OptionsT::has_iterator_bits, ilist_detail::compute_node_options< T, Options... >::type, false, false >::type
using	const_self_iterator = typename ilist_select_iterator_type< OptionsT::has_iterator_bits, ilist_detail::compute_node_options< T, Options... >::type, false, true >::type
using	reverse_self_iterator = typename ilist_select_iterator_type< OptionsT::has_iterator_bits, ilist_detail::compute_node_options< T, Options... >::type, true, false >::type
using	const_reverse_self_iterator = typename ilist_select_iterator_type< OptionsT::has_iterator_bits, ilist_detail::compute_node_options< T, Options... >::type, true, true >::type

Detailed Description

Definition at line 30 of file MCFragment.h.

Member Enumeration Documentation

FragmentType

enum llvm::MCFragment::FragmentType : uint8_t

Enumerator
FT_Align
FT_Data
FT_CompactEncodedInst
FT_Fill
FT_Nops
FT_Relaxable
FT_Org
FT_Dwarf
FT_DwarfFrame
FT_LEB
FT_BoundaryAlign
FT_SymbolId
FT_CVInlineLines
FT_CVDefRange
FT_PseudoProbe
FT_Dummy

Definition at line 34 of file MCFragment.h.

Constructor & Destructor Documentation

MCFragment() [1/3]

MCFragment::MCFragment ( FragmentType  Kind, bool  HasInstructions, MCSection *  Parent = nullptr  )

protected

Definition at line 258 of file MCFragment.cpp.

References llvm::MCSection::getFragmentList(), and llvm::iplist_impl< IntrusiveListT, TraitsT >::push_back().

MCFragment() [2/3]

llvm::MCFragment::MCFragment ( )

delete

MCFragment() [3/3]

llvm::MCFragment::MCFragment ( const MCFragment &  )

delete

Member Function Documentation

destroy()

void MCFragment::destroy

(

)

Destroys the current fragment.

This must be used instead of delete as MCFragment is non-virtual. This method will dispatch to the appropriate subclass.

Definition at line 266 of file MCFragment.cpp.

References FT_Align, FT_BoundaryAlign, FT_CompactEncodedInst, FT_CVDefRange, FT_CVInlineLines, FT_Data, FT_Dummy, FT_Dwarf, FT_DwarfFrame, FT_Fill, FT_LEB, FT_Nops, FT_Org, FT_PseudoProbe, FT_Relaxable, and FT_SymbolId.

dump()

LLVM_DUMP_METHOD void MCFragment::dump

(

)

const

Definition at line 339 of file MCFragment.cpp.

References DF, llvm::errs(), F, FT_Align, FT_BoundaryAlign, FT_CompactEncodedInst, FT_CVDefRange, FT_CVInlineLines, FT_Data, FT_Dummy, FT_Dwarf, FT_DwarfFrame, FT_Fill, FT_LEB, FT_Nops, FT_Org, FT_PseudoProbe, FT_Relaxable, FT_SymbolId, getKind(), hasInstructions(), OS, and llvm::SmallVectorBase< Size_T >::size().

getAtom()

const MCSymbol * llvm::MCFragment::getAtom ( ) const

inline

Definition at line 99 of file MCFragment.h.

Referenced by llvm::MCAssembler::getAtom(), and llvm::MachObjectWriter::isSymbolRefDifferenceFullyResolvedImpl().

getKind()

FragmentType llvm::MCFragment::getKind ( ) const

inline

Definition at line 94 of file MCFragment.h.

Referenced by dump(), and getOffsetAndDataFragment().

getLayoutOrder()

unsigned llvm::MCFragment::getLayoutOrder ( ) const

inline

Definition at line 102 of file MCFragment.h.

Referenced by llvm::MCAsmLayout::canGetFragmentOffset().

getParent()

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

inline

Definition at line 96 of file MCFragment.h.

Referenced by AttemptToFoldSymbolOffsetDifference(), llvm::MCAssembler::computeFragmentSize(), llvm::MCAssembler::getAtom(), llvm::MachObjectWriter::getFragmentAddress(), llvm::MCSymbol::getSection(), llvm::MachObjectWriter::getSymbolAddress(), llvm::MCObjectWriter::isSymbolRefDifferenceFullyResolvedImpl(), llvm::MachObjectWriter::isSymbolRefDifferenceFullyResolvedImpl(), and llvm::MCBoundaryAlignFragment::setLastFragment().

getSubsectionNumber()

unsigned llvm::MCFragment::getSubsectionNumber ( ) const

inline

Definition at line 112 of file MCFragment.h.

Referenced by AttemptToFoldSymbolOffsetDifference().

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 107 of file MCFragment.h.

References HasInstructions.

Referenced by dump(), llvm::MCAssembler::layout(), and llvm::MCAssembler::writeFragmentPadding().

operator=()

MCFragment & llvm::MCFragment::operator= ( const MCFragment &  )

delete

setAtom()

void llvm::MCFragment::setAtom ( const MCSymbol *  Value )

inline

Definition at line 100 of file MCFragment.h.

setLayoutOrder()

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

inline

Definition at line 103 of file MCFragment.h.

setParent()

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

inline

Definition at line 97 of file MCFragment.h.

setSubsectionNumber()

void llvm::MCFragment::setSubsectionNumber ( unsigned  Value )

inline

Definition at line 111 of file MCFragment.h.

Friends And Related Function Documentation

MCAsmLayout

friend class MCAsmLayout

friend

Definition at line 31 of file MCFragment.h.

Member Data Documentation

HasInstructions

bool llvm::MCFragment::HasInstructions

protected

Definition at line 77 of file MCFragment.h.

Referenced by hasInstructions(), and llvm::MCEncodedFragment::setHasInstructions().

LinkerRelaxable

bool llvm::MCFragment::LinkerRelaxable = false

protected

Definition at line 78 of file MCFragment.h.

Referenced by llvm::MCDataFragment::isLinkerRelaxable(), and llvm::MCDataFragment::setLinkerRelaxable().

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

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