The Data class implementation for DWARF v5 accelerator table. More...

#include "llvm/CodeGen/AccelTable.h"

Inheritance diagram for llvm::DWARF5AccelTableData:

Public Member Functions
	DWARF5AccelTableData (const DIE &Die, const uint32_t UnitID, const bool IsTU=false)

	DWARF5AccelTableData (const uint64_t DieOffset, const std::optional< uint64_t > DefiningParentOffset, const unsigned DieTag, const unsigned UnitID, const bool IsTU=false)

void	print (raw_ostream &OS) const override

uint64_t	getDieOffset () const

OffsetAndUnitID	getDieOffsetAndUnitID () const

unsigned	getDieTag () const

unsigned	getUnitID () const

bool	isTU () const

void	normalizeDIEToOffset ()

bool	isNormalized () const

std::optional< uint64_t >	getParentDieOffset () const

std::optional< OffsetAndUnitID >	getParentDieOffsetAndUnitID () const

void	setAbbrevNumber (uint16_t AbbrevNum)
	Sets AbbrevIndex for an Entry.

uint16_t	getAbbrevNumber () const
	Returns AbbrevIndex for an Entry.

Public Member Functions inherited from llvm::AccelTableData
virtual	~AccelTableData ()=default

bool	operator< (const AccelTableData &Other) const

virtual void	print (raw_ostream &OS) const =0

Static Public Member Functions
static uint32_t	hash (StringRef Name)

static std::optional< uint64_t >	getDefiningParentDieOffset (const DIE &Die)
	If `Die` has a non-null parent and the parent is not a declaration, return its offset.

Protected Member Functions
uint64_t	order () const override

virtual uint64_t	order () const =0

Protected Attributes
std::variant< const DIE *, uint64_t >	OffsetVal

std::optional< uint64_t >	ParentOffset

uint32_t	DieTag: 16

uint32_t	AbbrevNumber: 15

uint32_t	IsTU: 1

uint32_t	UnitID

Detailed Description

The Data class implementation for DWARF v5 accelerator table.

Unlike the Apple Data classes, this class is just a DIE wrapper, and does not know to serialize itself. The complete serialization logic is in the emitDWARF5AccelTable function.

Definition at line 276 of file AccelTable.h.

Constructor & Destructor Documentation

◆ DWARF5AccelTableData() [1/2]

DWARF5AccelTableData::DWARF5AccelTableData	(	const DIE &	Die,
		const uint32_t	UnitID,
		const bool	IsTU = `false`
	)

Definition at line 368 of file AccelTable.cpp.

◆ DWARF5AccelTableData() [2/2]

llvm::DWARF5AccelTableData::DWARF5AccelTableData	(	const uint64_t	DieOffset,
		const std::optional< uint64_t >	DefiningParentOffset,
		const unsigned	DieTag,
		const unsigned	UnitID,
		const bool	IsTU = `false`
	)

inline

Definition at line 282 of file AccelTable.h.

Member Function Documentation

◆ getAbbrevNumber()

uint16_t llvm::DWARF5AccelTableData::getAbbrevNumber ( ) const

inline

Returns AbbrevIndex for an Entry.

Definition at line 332 of file AccelTable.h.

References AbbrevNumber.

◆ getDefiningParentDieOffset()

std::optional< uint64_t > DWARF5AccelTableData::getDefiningParentDieOffset ( const DIE & Die )

static

If Die has a non-null parent and the parent is not a declaration, return its offset.

Definition at line 404 of file AccelTable.cpp.

References llvm::DIE::findAttribute(), and llvm::DIE::getParent().

Referenced by normalizeDIEToOffset().

◆ getDieOffset()

uint64_t llvm::DWARF5AccelTableData::getDieOffset ( ) const

inline

Definition at line 293 of file AccelTable.h.

References assert(), isNormalized(), and OffsetVal.

Referenced by getDieOffsetAndUnitID(), and order().

◆ getDieOffsetAndUnitID()

OffsetAndUnitID llvm::DWARF5AccelTableData::getDieOffsetAndUnitID ( ) const

inline

Definition at line 298 of file AccelTable.h.

References getDieOffset(), and UnitID.

◆ getDieTag()

unsigned llvm::DWARF5AccelTableData::getDieTag ( ) const

inline

Definition at line 302 of file AccelTable.h.

References DieTag.

◆ getParentDieOffset()

std::optional< uint64_t > llvm::DWARF5AccelTableData::getParentDieOffset ( ) const

inline

Definition at line 315 of file AccelTable.h.

References getParentDieOffsetAndUnitID().

◆ getParentDieOffsetAndUnitID()

std::optional< OffsetAndUnitID > llvm::DWARF5AccelTableData::getParentDieOffsetAndUnitID ( ) const

inline

Definition at line 321 of file AccelTable.h.

References assert(), getUnitID(), isNormalized(), and ParentOffset.

Referenced by getParentDieOffset().

◆ getUnitID()

unsigned llvm::DWARF5AccelTableData::getUnitID ( ) const

inline

Definition at line 303 of file AccelTable.h.

References UnitID.

Referenced by getParentDieOffsetAndUnitID().

◆ hash()

static uint32_t llvm::DWARF5AccelTableData::hash ( StringRef Name )

inlinestatic

Definition at line 278 of file AccelTable.h.

References llvm::caseFoldingDjbHash(), and Name.

◆ isNormalized()

bool llvm::DWARF5AccelTableData::isNormalized ( ) const

inline

Definition at line 311 of file AccelTable.h.

References OffsetVal.

Referenced by getDieOffset(), getParentDieOffsetAndUnitID(), and normalizeDIEToOffset().

◆ isTU()

bool llvm::DWARF5AccelTableData::isTU ( ) const

inline

Definition at line 304 of file AccelTable.h.

References IsTU.

◆ normalizeDIEToOffset()

void llvm::DWARF5AccelTableData::normalizeDIEToOffset ( )

inline

Definition at line 305 of file AccelTable.h.

References assert(), getDefiningParentDieOffset(), isNormalized(), OffsetVal, and ParentOffset.

◆ order()

uint64_t llvm::DWARF5AccelTableData::order ( ) const

inlineoverrideprotectedvirtual

Implements llvm::AccelTableData.

Definition at line 345 of file AccelTable.h.

References getDieOffset().

◆ print()

void DWARF5AccelTableData::print ( raw_ostream & OS ) const

overridevirtual

Implements llvm::AccelTableData.

Definition at line 815 of file AccelTable.cpp.

References OS, and llvm::dwarf::TagString().

◆ setAbbrevNumber()

void llvm::DWARF5AccelTableData::setAbbrevNumber ( uint16_t AbbrevNum )

inline

Sets AbbrevIndex for an Entry.

Definition at line 329 of file AccelTable.h.

References AbbrevNumber.

Member Data Documentation

◆ AbbrevNumber

uint32_t llvm::DWARF5AccelTableData::AbbrevNumber

protected

Definition at line 342 of file AccelTable.h.

Referenced by getAbbrevNumber(), and setAbbrevNumber().

◆ DieTag

uint32_t llvm::DWARF5AccelTableData::DieTag

protected

Definition at line 341 of file AccelTable.h.

Referenced by getDieTag().

◆ IsTU

uint32_t llvm::DWARF5AccelTableData::IsTU

protected

Definition at line 343 of file AccelTable.h.

Referenced by isTU().

◆ OffsetVal

std::variant<const DIE *, uint64_t> llvm::DWARF5AccelTableData::OffsetVal

protected

Definition at line 339 of file AccelTable.h.

Referenced by getDieOffset(), isNormalized(), and normalizeDIEToOffset().

◆ ParentOffset

std::optional<uint64_t> llvm::DWARF5AccelTableData::ParentOffset

protected

Definition at line 340 of file AccelTable.h.

Referenced by getParentDieOffsetAndUnitID(), and normalizeDIEToOffset().

◆ UnitID

uint32_t llvm::DWARF5AccelTableData::UnitID

protected

Definition at line 344 of file AccelTable.h.

Referenced by getDieOffsetAndUnitID(), and getUnitID().

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

include/llvm/CodeGen/AccelTable.h
lib/CodeGen/AsmPrinter/AccelTable.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ DWARF5AccelTableData() [1/2]

◆ DWARF5AccelTableData() [2/2]

Member Function Documentation

◆ getAbbrevNumber()

◆ getDefiningParentDieOffset()

◆ getDieOffset()

◆ getDieOffsetAndUnitID()

◆ getDieTag()

◆ getParentDieOffset()

◆ getParentDieOffsetAndUnitID()

◆ getUnitID()

◆ hash()

◆ isNormalized()

◆ isTU()

◆ normalizeDIEToOffset()

◆ order()

◆ print()

◆ setAbbrevNumber()

Member Data Documentation

◆ AbbrevNumber

◆ DieTag

◆ IsTU

◆ OffsetVal

◆ ParentOffset

◆ UnitID