Represents a single accelerator table within the DWARF v5 .debug_names section. More...

#include "llvm/DebugInfo/DWARF/DWARFAcceleratorTable.h"

Public Member Functions
	NameIndex (const DWARFDebugNames &Section, uint64_t Base)

Header	getHeader () const
	Returns Hdr field.

DWARFDebugNamesOffsets	getOffsets () const
	Returns Offsets field.

uint64_t	getCUOffset (uint32_t CU) const
	Reads offset of compilation unit CU. CU is 0-based.

uint32_t	getCUCount () const

uint64_t	getLocalTUOffset (uint32_t TU) const
	Reads offset of local type unit TU, TU is 0-based.

uint32_t	getLocalTUCount () const

uint64_t	getForeignTUSignature (uint32_t TU) const
	Reads signature of foreign type unit TU. TU is 0-based.

uint32_t	getForeignTUCount () const

uint32_t	getBucketArrayEntry (uint32_t Bucket) const
	Reads an entry in the Bucket Array for the given Bucket.

uint32_t	getBucketCount () const

uint32_t	getHashArrayEntry (uint32_t Index) const
	Reads an entry in the Hash Array for the given Index.

NameTableEntry	getNameTableEntry (uint32_t Index) const
	Reads an entry in the Name Table for the given Index.

uint32_t	getNameCount () const

const DenseSet< Abbrev, AbbrevMapInfo > &	getAbbrevs () const

Expected< Entry >	getEntry (uint64_t *Offset) const

Expected< Entry >	getEntryAtRelativeOffset (uint64_t Offset) const
	Returns the Entry at the relative `Offset` from the start of the Entry pool.

iterator_range< ValueIterator >	equal_range (StringRef Key) const
	Look up all entries in this Name Index matching `Key`.

NameIterator	begin () const

NameIterator	end () const

Error	extract ()

uint64_t	getUnitOffset () const

uint64_t	getNextUnitOffset () const

void	dump (ScopedPrinter &W) const

Friends
class	DWARFDebugNames

Detailed Description

Represents a single accelerator table within the DWARF v5 .debug_names section.

Definition at line 599 of file DWARFAcceleratorTable.h.

Constructor & Destructor Documentation

◆ NameIndex()

llvm::DWARFDebugNames::NameIndex::NameIndex	(	const DWARFDebugNames &	Section,
		uint64_t	Base
	)

inline

Definition at line 626 of file DWARFAcceleratorTable.h.

References llvm::sampleprof::Base.

Member Function Documentation

◆ begin()

NameIterator llvm::DWARFDebugNames::NameIndex::begin ( ) const

inline

Definition at line 681 of file DWARFAcceleratorTable.h.

◆ dump()

LLVM_DUMP_METHOD void DWARFDebugNames::NameIndex::dump ( ScopedPrinter & W ) const

Definition at line 919 of file DWARFAcceleratorTable.cpp.

References llvm::sampleprof::Base, and llvm::Twine::utohexstr().

◆ end()

NameIterator llvm::DWARFDebugNames::NameIndex::end ( ) const

inline

Definition at line 682 of file DWARFAcceleratorTable.h.

References getNameCount().

◆ equal_range()

iterator_range< DWARFDebugNames::ValueIterator > DWARFDebugNames::NameIndex::equal_range ( StringRef Key ) const

Look up all entries in this Name Index matching Key.

Definition at line 951 of file DWARFAcceleratorTable.cpp.

References llvm::make_range().

◆ extract()

Error DWARFDebugNames::NameIndex::extract ( )

Definition at line 573 of file DWARFAcceleratorTable.cpp.

References llvm::sampleprof::Base, llvm::createStringError(), llvm::dwarf::findDebugNamesOffsets(), llvm::dwarf::getDwarfOffsetByteSize(), llvm::illegal_byte_sequence, llvm::invalid_argument, isSentinel(), llvm::DataExtractor::isValidOffsetForDataOfSize(), llvm::Offset, and llvm::Error::success().

Referenced by llvm::DWARFDebugNames::extract().

◆ getAbbrevs()

const DenseSet< Abbrev, AbbrevMapInfo > & llvm::DWARFDebugNames::NameIndex::getAbbrevs ( ) const

inline

Definition at line 665 of file DWARFAcceleratorTable.h.

◆ getBucketArrayEntry()

uint32_t DWARFDebugNames::NameIndex::getBucketArrayEntry ( uint32_t Bucket ) const

Reads an entry in the Bucket Array for the given Bucket.

The returned value is a (1-based) index into the Names, StringOffsets and EntryOffsets arrays. The input Bucket index is 0-based.

Definition at line 812 of file DWARFAcceleratorTable.cpp.

References assert().

◆ getBucketCount()

uint32_t llvm::DWARFDebugNames::NameIndex::getBucketCount ( ) const

inline

Definition at line 651 of file DWARFAcceleratorTable.h.

◆ getCUCount()

uint32_t llvm::DWARFDebugNames::NameIndex::getCUCount ( ) const

inline

Definition at line 637 of file DWARFAcceleratorTable.h.

Referenced by llvm::DWARFDebugNames::Entry::getCUOffset(), llvm::DWARFDebugNames::Entry::getRelatedCUIndex(), and llvm::DWARFDebugNames::Entry::getRelatedCUOffset().

◆ getCUOffset()

uint64_t DWARFDebugNames::NameIndex::getCUOffset ( uint32_t CU ) const

Reads offset of compilation unit CU. CU is 0-based.

Definition at line 744 of file DWARFAcceleratorTable.cpp.

References assert(), llvm::dwarf::getDwarfOffsetByteSize(), and llvm::Offset.

Referenced by llvm::DWARFDebugNames::Entry::getCUOffset(), and llvm::DWARFDebugNames::Entry::getRelatedCUOffset().

◆ getEntry()

Expected< DWARFDebugNames::Entry > DWARFDebugNames::NameIndex::getEntry ( uint64_t * Offset ) const

Definition at line 769 of file DWARFAcceleratorTable.cpp.

References llvm::createStringError(), llvm::DataExtractor::getULEB128(), llvm::illegal_byte_sequence, llvm::invalid_argument, llvm::io_error, llvm::DataExtractor::isValidOffset(), llvm::Offset, llvm::DWARFAcceleratorTable::Entry::Values, and llvm::dwarf::FormParams::Version.

Referenced by getEntryAtRelativeOffset().

◆ getEntryAtRelativeOffset()

Expected< Entry > llvm::DWARFDebugNames::NameIndex::getEntryAtRelativeOffset ( uint64_t Offset ) const

inline

Returns the Entry at the relative Offset from the start of the Entry pool.

Definition at line 673 of file DWARFAcceleratorTable.h.

References llvm::DWARFDebugNames::DWARFDebugNamesOffsets::EntriesBase, getEntry(), and llvm::Offset.

Referenced by llvm::DWARFDebugNames::Entry::getParentDIEEntry().

◆ getForeignTUCount()

uint32_t llvm::DWARFDebugNames::NameIndex::getForeignTUCount ( ) const

inline

Definition at line 645 of file DWARFAcceleratorTable.h.

Referenced by llvm::DWARFDebugNames::Entry::getForeignTUTypeSignature().

◆ getForeignTUSignature()

uint64_t DWARFDebugNames::NameIndex::getForeignTUSignature ( uint32_t TU ) const

Reads signature of foreign type unit TU. TU is 0-based.

Definition at line 759 of file DWARFAcceleratorTable.cpp.

References assert(), llvm::dwarf::getDwarfOffsetByteSize(), and llvm::Offset.

Referenced by llvm::DWARFDebugNames::Entry::getForeignTUTypeSignature().

◆ getHashArrayEntry()

uint32_t DWARFDebugNames::NameIndex::getHashArrayEntry ( uint32_t Index ) const

Reads an entry in the Hash Array for the given Index.

The input Index is 1-based.

Definition at line 818 of file DWARFAcceleratorTable.cpp.

References assert().

◆ getHeader()

Header llvm::DWARFDebugNames::NameIndex::getHeader ( ) const

inline

Returns Hdr field.

Definition at line 630 of file DWARFAcceleratorTable.h.

◆ getLocalTUCount()

uint32_t llvm::DWARFDebugNames::NameIndex::getLocalTUCount ( ) const

inline

Definition at line 641 of file DWARFAcceleratorTable.h.

Referenced by llvm::DWARFDebugNames::Entry::getForeignTUTypeSignature(), and llvm::DWARFDebugNames::Entry::getLocalTUOffset().

◆ getLocalTUOffset()

uint64_t DWARFDebugNames::NameIndex::getLocalTUOffset ( uint32_t TU ) const

Reads offset of local type unit TU, TU is 0-based.

Definition at line 751 of file DWARFAcceleratorTable.cpp.

References assert(), llvm::dwarf::getDwarfOffsetByteSize(), and llvm::Offset.

Referenced by llvm::DWARFDebugNames::Entry::getLocalTUOffset().

◆ getNameCount()

uint32_t llvm::DWARFDebugNames::NameIndex::getNameCount ( ) const

inline

Definition at line 663 of file DWARFAcceleratorTable.h.

Referenced by end().

◆ getNameTableEntry()

DWARFDebugNames::NameTableEntry DWARFDebugNames::NameIndex::getNameTableEntry ( uint32_t Index ) const

Reads an entry in the Name Table for the given Index.

The Name Table consists of two arrays – String Offsets and Entry Offsets. The returned offsets are relative to the starts of respective sections. Input Index is 1-based.

Definition at line 795 of file DWARFAcceleratorTable.cpp.

References assert(), and llvm::dwarf::getDwarfOffsetByteSize().

Referenced by llvm::DWARFDebugNames::NameIterator::operator*().

◆ getNextUnitOffset()

uint64_t llvm::DWARFDebugNames::NameIndex::getNextUnitOffset ( ) const

inline

Definition at line 686 of file DWARFAcceleratorTable.h.

References llvm::sampleprof::Base, and llvm::dwarf::getUnitLengthFieldByteSize().

Referenced by llvm::DWARFDebugNames::extract().

◆ getOffsets()

DWARFDebugNamesOffsets llvm::DWARFDebugNames::NameIndex::getOffsets ( ) const

inline

Returns Offsets field.

Definition at line 633 of file DWARFAcceleratorTable.h.

◆ getUnitOffset()

uint64_t llvm::DWARFDebugNames::NameIndex::getUnitOffset ( ) const

inline

Definition at line 685 of file DWARFAcceleratorTable.h.

References llvm::sampleprof::Base.

Friends And Related Function Documentation

◆ DWARFDebugNames

friend class DWARFDebugNames

friend

Definition at line 692 of file DWARFAcceleratorTable.h.

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

include/llvm/DebugInfo/DWARF/DWARFAcceleratorTable.h
lib/DebugInfo/DWARF/DWARFAcceleratorTable.cpp

Public Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

◆ NameIndex()

Member Function Documentation

◆ begin()

◆ dump()

◆ end()

◆ equal_range()

◆ extract()

◆ getAbbrevs()

◆ getBucketArrayEntry()

◆ getBucketCount()

◆ getCUCount()

◆ getCUOffset()

◆ getEntry()

◆ getEntryAtRelativeOffset()

◆ getForeignTUCount()

◆ getForeignTUSignature()

◆ getHashArrayEntry()

◆ getHeader()

◆ getLocalTUCount()

◆ getLocalTUOffset()

◆ getNameCount()

◆ getNameTableEntry()

◆ getNextUnitOffset()

◆ getOffsets()

◆ getUnitOffset()

Friends And Related Function Documentation

◆ DWARFDebugNames