LLVM  16.0.0git
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
Collaboration diagram for llvm::MCSectionCOFF:
Collaboration graph

Public Member Functions

bool shouldOmitSectionDirective (StringRef Name, const MCAsmInfo &MAI) const
 Decides whether a '.section' directive should be printed before the section name. More...
unsigned getCharacteristics () const
MCSymbolgetCOMDATSymbol () const
int getSelection () const
void setSelection (int Selection) 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...
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
SectionKind getKind () 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. More...
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 isRegistered () const
void setIsRegistered (bool Value)
MCSection::FragmentListTypegetFragmentList ()
const MCSection::FragmentListTypegetFragmentList () const
const MCDummyFragmentgetDummyFragment () const
MCDummyFragmentgetDummyFragment ()
iterator begin ()
const_iterator begin () const
iterator end ()
const_iterator end () const
MCSection::iterator getSubsectionInsertionPoint (unsigned Subsection)
void dump () const
void addPendingLabel (MCSymbol *label, unsigned Subsection=0)
 Add a pending label for the requested subsection. More...
void flushPendingLabels (MCFragment *F, uint64_t FOffset=0, unsigned Subsection=0)
 Associate all pending labels in a subsection with a fragment. More...
void flushPendingLabels ()
 Associate all pending labels with empty data fragments. More...

Static Public Member Functions

static bool isImplicitlyDiscardable (StringRef Name)
static bool classof (const MCSection *S)
- Static Public Member Functions inherited from llvm::MCSection
static FragmentListType MCSection::* getSublistAccess (MCFragment *)
 Support for MCFragment::getNextNode(). More...


class MCContext

Additional Inherited Members

- Public Types inherited from llvm::MCSection
enum  SectionVariant {
  SV_Wasm, SV_XCOFF, SV_SPIRV, SV_DXContainer
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
- Static Public Attributes inherited from llvm::MCSection
static constexpr unsigned NonUniqueID = ~0U
- Protected Member Functions inherited from llvm::MCSection
 MCSection (SectionVariant V, StringRef Name, SectionKind K, MCSymbol *Begin)
 ~MCSection ()
- Protected Attributes inherited from llvm::MCSection
StringRef Name
SectionVariant Variant
SectionKind Kind

Detailed Description

This represents a section on Windows.

Definition at line 26 of file MCSectionCOFF.h.

Member Function Documentation

◆ classof()

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

Definition at line 89 of file MCSectionCOFF.h.

References S, and llvm::MCSection::SV_COFF.

◆ getCharacteristics()

unsigned llvm::MCSectionCOFF::getCharacteristics ( ) const

◆ getCOMDATSymbol()

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

Definition at line 67 of file MCSectionCOFF.h.

◆ getOrAssignWinCFISectionID()

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

Definition at line 79 of file MCSectionCOFF.h.

◆ getSelection()

int llvm::MCSectionCOFF::getSelection ( ) const

Definition at line 68 of file MCSectionCOFF.h.

References Selection.

◆ getVirtualSectionKind()

StringRef MCSectionCOFF::getVirtualSectionKind ( ) const

Reimplemented from llvm::MCSection.

Definition at line 115 of file MCSectionCOFF.cpp.

◆ isImplicitlyDiscardable()

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

Definition at line 85 of file MCSectionCOFF.h.

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

Referenced by printSwitchToSection().

◆ isVirtualSection()

bool MCSectionCOFF::isVirtualSection ( ) const

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,
const MCExpr Subsection 
) const

◆ 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

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::getKind(), and llvm::SectionKind::isText().

Friends And Related Function Documentation

◆ MCContext

friend class MCContext

Definition at line 50 of file MCSectionCOFF.h.

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