LLVM 19.0.0git
Public Member Functions | Static Public Member Functions | Friends | List of all members
llvm::MCSectionCOFF Class Referencefinal

This represents a section on Windows. More...

#include "llvm/MC/MCSectionCOFF.h"

Inheritance diagram for llvm::MCSectionCOFF:
Inheritance graph
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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
 
MCSymbolgetCOMDATSymbol () 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.
 
bool isVirtualSection () const override
 Check whether this section is "virtual", that is has no actual object file contents.
 
StringRef getVirtualSectionKind () const override
 
unsigned getOrAssignWinCFISectionID (unsigned *NextID) const
 
- Public Member Functions inherited from llvm::MCSection
 MCSection (const MCSection &)=delete
 
MCSectionoperator= (const MCSection &)=delete
 
StringRef getName () const
 
bool isText () const
 
SectionVariant getVariant () const
 
MCSymbolgetBeginSymbol ()
 
const MCSymbolgetBeginSymbol () const
 
void setBeginSymbol (MCSymbol *Sym)
 
MCSymbolgetEndSymbol (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)
 
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 hasLayout () const
 
void setHasLayout (bool Value)
 
bool isRegistered () const
 
void setIsRegistered (bool Value)
 
const MCDummyFragmentgetDummyFragment () const
 
MCDummyFragmentgetDummyFragment ()
 
FragListcurFragList () const
 
iterator begin () const
 
iterator end () const
 
bool empty () const
 
void addFragment (MCFragment &F)
 
void switchSubsection (unsigned Subsection)
 
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.
 
virtual bool isVirtualSection () const =0
 Check whether this section is "virtual", that is has no actual object file contents.
 
virtual StringRef getVirtualSectionKind () const
 
void addPendingLabel (MCSymbol *label, unsigned Subsection=0)
 Add a pending label for the requested subsection.
 

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
 
- 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, 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

◆ getCOMDATSymbol()

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

Definition at line 69 of file MCSectionCOFF.h.

◆ 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 70 of file MCSectionCOFF.h.

References Selection.

◆ getVirtualSectionKind()

StringRef MCSectionCOFF::getVirtualSectionKind ( ) const
overridevirtual

Reimplemented from llvm::MCSection.

Definition at line 115 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().

◆ isVirtualSection()

bool MCSectionCOFF::isVirtualSection ( ) const
overridevirtual

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

Implements llvm::MCSection.

Definition at line 111 of file MCSectionCOFF.cpp.

References getCharacteristics(), and llvm::COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA.

◆ printSwitchToSection()

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

◆ 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.


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