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

Inheritance diagram for llvm::DWARFUnit:

Public Member Functions
	DWARFUnit (DWARFContext &Context, const DWARFSection &Section, const DWARFUnitHeader &Header, const DWARFDebugAbbrev DA, const DWARFSection RS, const DWARFSection LocSection, StringRef SS, const DWARFSection &SOS, const DWARFSection AOS, const DWARFSection &LS, bool LE, bool IsDWO, const DWARFUnitVector &UnitVector)
virtual	~DWARFUnit ()
bool	isLittleEndian () const
bool	isDWOUnit () const
DWARFContext &	getContext () const
const DWARFSection &	getInfoSection () const
uint64_t	getOffset () const
const dwarf::FormParams &	getFormParams () const
uint16_t	getVersion () const
uint8_t	getAddressByteSize () const
uint8_t	getRefAddrByteSize () const
uint8_t	getDwarfOffsetByteSize () const
uint32_t	getHeaderSize () const
	Size in bytes of the parsed unit header.
uint64_t	getLength () const
dwarf::DwarfFormat	getFormat () const
uint8_t	getUnitType () const
bool	isTypeUnit () const
uint64_t	getAbbrOffset () const
uint64_t	getNextUnitOffset () const
const DWARFSection &	getLineSection () const
StringRef	getStringSection () const
const DWARFSection &	getStringOffsetSection () const
void	setSkeletonUnit (DWARFUnit *SU)
DWARFUnit *	getLinkedUnit ()
void	setAddrOffsetSection (const DWARFSection *AOS, uint64_t Base)
std::optional< uint64_t >	getAddrOffsetSectionBase () const
std::optional< uint64_t >	getIndexedAddressOffset (uint64_t Index)
	Returns offset to the indexed address value inside .debug_addr section.
void	updateAddressDieMap (DWARFDie Die)
	Recursively update address to Die map.
void	updateVariableDieMap (DWARFDie Die)
	Recursively update address to variable Die map.
void	setRangesSection (const DWARFSection *RS, uint64_t Base)
uint64_t	getLocSectionBase () const
std::optional< object::SectionedAddress >	getAddrOffsetSectionItem (uint32_t Index) const
Expected< uint64_t >	getStringOffsetSectionItem (uint32_t Index) const
DWARFDataExtractor	getDebugInfoExtractor () const
DataExtractor	getStringExtractor () const
const DWARFLocationTable &	getLocationTable ()
Error	extractRangeList (uint64_t RangeListOffset, DWARFDebugRangeList &RangeList) const
	Extract the range list referenced by this compile unit from the .debug_ranges section.
void	clear ()
const std::optional< StrOffsetsContributionDescriptor > &	getStringOffsetsTableContribution ()
uint8_t	getDwarfStringOffsetsByteSize () const
uint64_t	getStringOffsetsBase () const
uint64_t	getAbbreviationsOffset () const
const DWARFAbbreviationDeclarationSet *	getAbbreviations () const
std::optional< object::SectionedAddress >	getBaseAddress ()
DWARFDie	getUnitDIE (bool ExtractUnitDIEOnly=true)
DWARFDie	getNonSkeletonUnitDIE (bool ExtractUnitDIEOnly=true, StringRef DWOAlternativeLocation={})
const char *	getCompilationDir ()
std::optional< uint64_t >	getDWOId ()
void	setDWOId (uint64_t NewID)
Expected< DWARFAddressRangesVector >	findRnglistFromOffset (uint64_t Offset)
	Return a vector of address ranges resulting from a (possibly encoded) range list starting at a given offset in the appropriate ranges section.
Expected< DWARFAddressRangesVector >	findRnglistFromIndex (uint32_t Index)
	Return a vector of address ranges retrieved from an encoded range list whose offset is found via a table lookup given an index (DWARF v5 and later).
std::optional< uint64_t >	getRnglistOffset (uint32_t Index)
	Return a rangelist's offset based on an index.
std::optional< uint64_t >	getLoclistOffset (uint32_t Index)
Expected< DWARFAddressRangesVector >	collectAddressRanges ()
Expected< DWARFLocationExpressionsVector >	findLoclistFromOffset (uint64_t Offset)
DWARFDie	getSubroutineForAddress (uint64_t Address)
	Returns subprogram DIE with address range encompassing the provided address.
DWARFDie	getVariableForAddress (uint64_t Address)
	Returns variable DIE for the address provided.
void	getInlinedChainForAddress (uint64_t Address, SmallVectorImpl< DWARFDie > &InlinedChain)
	getInlinedChainForAddress - fetches inlined chain for a given address.
const DWARFUnitVector &	getUnitVector () const
	Return the DWARFUnitVector containing this unit.
unsigned	getNumDIEs ()
	Returns the number of DIEs in the unit.
uint32_t	getDIEIndex (const DWARFDie &D) const
	Return the index of a DIE inside the unit's DIE vector.
DWARFDie	getDIEAtIndex (unsigned Index)
	Return the DIE object at the given index `Index`.
DWARFDie	getParent (const DWARFDebugInfoEntry *Die)
DWARFDie	getSibling (const DWARFDebugInfoEntry *Die)
DWARFDie	getPreviousSibling (const DWARFDebugInfoEntry *Die)
DWARFDie	getFirstChild (const DWARFDebugInfoEntry *Die)
DWARFDie	getLastChild (const DWARFDebugInfoEntry *Die)
DWARFDie	getDIEForOffset (uint64_t Offset)
	Return the DIE object for a given offset `Offset` inside the unit's DIE vector.
std::optional< uint32_t >	getDIEIndexForOffset (uint64_t Offset)
	Return the DIE index for a given offset `Offset` inside the unit's DIE vector.
uint32_t	getLineTableOffset () const
die_iterator_range	dies ()
virtual void	dump (raw_ostream &OS, DIDumpOptions DumpOpts)=0
Error	tryExtractDIEsIfNeeded (bool CUDieOnly)

Static Public Member Functions
static bool	isMatchingUnitTypeAndTag (uint8_t UnitType, dwarf::Tag Tag)

Protected Member Functions
uint32_t	getDIEIndex (const DWARFDebugInfoEntry *Die) const
	Return the index of a `Die` entry inside the unit's DIE vector.
const DWARFDebugInfoEntry *	getDebugInfoEntry (unsigned Index) const
	Return DWARFDebugInfoEntry for the specified index `Index`.
const DWARFDebugInfoEntry *	getParentEntry (const DWARFDebugInfoEntry *Die) const
const DWARFDebugInfoEntry *	getSiblingEntry (const DWARFDebugInfoEntry *Die) const
const DWARFDebugInfoEntry *	getPreviousSiblingEntry (const DWARFDebugInfoEntry *Die) const
const DWARFDebugInfoEntry *	getFirstChildEntry (const DWARFDebugInfoEntry *Die) const
const DWARFDebugInfoEntry *	getLastChildEntry (const DWARFDebugInfoEntry *Die) const
const DWARFUnitHeader &	getHeader () const
Expected< std::optional< StrOffsetsContributionDescriptor > >	determineStringOffsetsTableContribution (DWARFDataExtractor &DA)
	Find the unit's contribution to the string offsets table and determine its length and form.
Expected< std::optional< StrOffsetsContributionDescriptor > >	determineStringOffsetsTableContributionDWO (DWARFDataExtractor &DA)
	Find the unit's contribution to the string offsets table and determine its length and form.

Detailed Description

Definition at line 218 of file DWARFUnit.h.

Constructor & Destructor Documentation

◆ DWARFUnit()

DWARFUnit::DWARFUnit	(	DWARFContext &	Context,
		const DWARFSection &	Section,
		const DWARFUnitHeader &	Header,
		const DWARFDebugAbbrev *	DA,
		const DWARFSection *	RS,
		const DWARFSection *	LocSection,
		StringRef	SS,
		const DWARFSection &	SOS,
		const DWARFSection *	AOS,
		const DWARFSection &	LS,
		bool	LE,
		bool	IsDWO,
		const DWARFUnitVector &	UnitVector )

Definition at line 202 of file DWARFUnit.cpp.

References clear().

Referenced by llvm::DWARFCompileUnit::classof(), llvm::DWARFTypeUnit::classof(), llvm::DWARFCompileUnit::DWARFCompileUnit(), llvm::DWARFTypeUnit::DWARFTypeUnit(), getLastChildEntry(), getLinkedUnit(), and setSkeletonUnit().

◆ ~DWARFUnit()

DWARFUnit::~DWARFUnit ( )

virtualdefault

Member Function Documentation

◆ clear()

void DWARFUnit::clear ( )

Definition at line 395 of file DWARFUnit.cpp.

Referenced by llvm::dwarf_linker::parallel::CompileUnit::cleanupDataAfterClonning(), and DWARFUnit().

◆ collectAddressRanges()

Expected< DWARFAddressRangesVector > DWARFUnit::collectAddressRanges ( )

Definition at line 701 of file DWARFUnit.cpp.

References llvm::createStringError(), llvm::DWARFDie::getAddressRanges(), getUnitDIE(), llvm::invalid_argument, and llvm::toString().

◆ determineStringOffsetsTableContribution()

Expected< std::optional< StrOffsetsContributionDescriptor > > DWARFUnit::determineStringOffsetsTableContribution ( DWARFDataExtractor & DA )

protected

Find the unit's contribution to the string offsets table and determine its length and form.

The given offset is expected to be derived from the unit DIE's DW_AT_str_offsets_base attribute.

Definition at line 1166 of file DWARFUnit.cpp.

References assert(), llvm::find(), getUnitDIE(), parseDWARFStringOffsetsTableHeader(), and llvm::dwarf::toSectionOffset().

Referenced by tryExtractDIEsIfNeeded().

◆ determineStringOffsetsTableContributionDWO()

Expected< std::optional< StrOffsetsContributionDescriptor > > DWARFUnit::determineStringOffsetsTableContributionDWO ( DWARFDataExtractor & DA )

protected

Find the unit's contribution to the string offsets table and determine its length and form.

The given offset is expected to be 0 in a dwo file or, in a dwp file, the start of the unit's contribution to the string offsets table section (as determined by the index table).

Definition at line 1179 of file DWARFUnit.cpp.

References assert(), llvm::CallingConv::C, llvm::dwarf::DWARF32, getVersion(), llvm::Offset, and parseDWARFStringOffsetsTableHeader().

Referenced by tryExtractDIEsIfNeeded().

◆ dies()

die_iterator_range llvm::DWARFUnit::dies ( )

inline

Definition at line 567 of file DWARFUnit.h.

◆ dump()

virtual void llvm::DWARFUnit::dump	(	raw_ostream &	OS,
		DIDumpOptions	DumpOpts )

pure virtual

Implemented in llvm::DWARFCompileUnit, and llvm::DWARFTypeUnit.

References tryExtractDIEsIfNeeded().

◆ extractRangeList()

Error DWARFUnit::extractRangeList	(	uint64_t	RangeListOffset,
		DWARFDebugRangeList &	RangeList ) const

Extract the range list referenced by this compile unit from the .debug_ranges section.

If the extraction is unsuccessful, an error is returned. Successful extraction requires that the compile unit has already been extracted.

Definition at line 385 of file DWARFUnit.cpp.

References assert(), llvm::DWARFDebugRangeList::extract(), and getAddressByteSize().

Referenced by findRnglistFromOffset().

◆ findLoclistFromOffset()

Expected< DWARFLocationExpressionsVector > DWARFUnit::findLoclistFromOffset ( uint64_t Offset )

Definition at line 716 of file DWARFUnit.cpp.

References getAddrOffsetSectionItem(), getBaseAddress(), getLocationTable(), llvm::joinErrors(), llvm::Offset, llvm::Error::success(), and llvm::DWARFLocationTable::visitAbsoluteLocationList().

◆ findRnglistFromIndex()

Expected< DWARFAddressRangesVector > DWARFUnit::findRnglistFromIndex ( uint32_t Index )

Return a vector of address ranges retrieved from an encoded range list whose offset is found via a table lookup given an index (DWARF v5 and later).

Definition at line 691 of file DWARFUnit.cpp.

References llvm::createStringError(), findRnglistFromOffset(), getRnglistOffset(), llvm::invalid_argument, and llvm::Offset.

◆ findRnglistFromOffset()

Expected< DWARFAddressRangesVector > DWARFUnit::findRnglistFromOffset ( uint64_t Offset )

Return a vector of address ranges resulting from a (possibly encoded) range list starting at a given offset in the appropriate ranges section.

Definition at line 674 of file DWARFUnit.cpp.

References extractRangeList(), llvm::DWARFListTableBase< DWARFListType >::findList(), llvm::DWARFDebugRangeList::getAbsoluteRanges(), getBaseAddress(), getVersion(), and llvm::Offset.

Referenced by findRnglistFromIndex().

◆ getAbbreviations()

const DWARFAbbreviationDeclarationSet * DWARFUnit::getAbbreviations ( ) const

Definition at line 1061 of file DWARFUnit.cpp.

References llvm::consumeError(), getAbbreviationsOffset(), and llvm::Expected< T >::takeError().

Referenced by llvm::DWARFCompileUnit::dump(), and llvm::DWARFTypeUnit::dump().

◆ getAbbreviationsOffset()

uint64_t llvm::DWARFUnit::getAbbreviationsOffset ( ) const

inline

Definition at line 427 of file DWARFUnit.h.

Referenced by getAbbreviations().

◆ getAbbrOffset()

uint64_t llvm::DWARFUnit::getAbbrOffset ( ) const

inline

Definition at line 344 of file DWARFUnit.h.

Referenced by llvm::DWARFCompileUnit::dump(), and llvm::DWARFTypeUnit::dump().

◆ getAddressByteSize()

uint8_t llvm::DWARFUnit::getAddressByteSize ( ) const

inline

Definition at line 333 of file DWARFUnit.h.

Referenced by llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), extractRangeList(), getAddrOffsetSectionItem(), getDebugInfoExtractor(), getIndexedAddressOffset(), getRnglistOffset(), tryExtractDIEsIfNeeded(), and updateVariableDieMap().

◆ getAddrOffsetSectionBase()

std::optional< uint64_t > llvm::DWARFUnit::getAddrOffsetSectionBase ( ) const

inline

Definition at line 363 of file DWARFUnit.h.

Referenced by getIndexedAddressOffset().

◆ getAddrOffsetSectionItem()

std::optional< object::SectionedAddress > DWARFUnit::getAddrOffsetSectionItem ( uint32_t Index ) const

Definition at line 223 of file DWARFUnit.cpp.

References llvm::Address, getAddressByteSize(), llvm::hasSingleElement(), and llvm::Offset.

Referenced by findLoclistFromOffset(), and updateVariableDieMap().

◆ getBaseAddress()

std::optional< object::SectionedAddress > DWARFUnit::getBaseAddress ( )

Definition at line 1075 of file DWARFUnit.cpp.

References llvm::DWARFDie::find(), getUnitDIE(), and llvm::dwarf::toSectionedAddress().

Referenced by findLoclistFromOffset(), and findRnglistFromOffset().

◆ getCompilationDir()

const char * DWARFUnit::getCompilationDir ( )

Definition at line 409 of file DWARFUnit.cpp.

References llvm::find(), getUnitDIE(), and llvm::dwarf::toString().

Referenced by llvm::DWARFFormValue::getAsFile(), and llvm::dwarf_linker::parallel::CompileUnit::getDirAndFilenameFromLineTable().

◆ getContext()

DWARFContext & llvm::DWARFUnit::getContext ( ) const

inline

Definition at line 326 of file DWARFUnit.h.

Referenced by dumpAttribute(), llvm::DWARFFormValue::getAsFile(), llvm::DWARFDie::getAttributeValueAsReferencedDie(), and llvm::DWARFDie::resolveTypeUnitReference().

◆ getDebugInfoEntry()

const DWARFDebugInfoEntry * llvm::DWARFUnit::getDebugInfoEntry ( unsigned Index ) const

inlineprotected

Return DWARFDebugInfoEntry for the specified index Index.

Definition at line 283 of file DWARFUnit.h.

References assert().

Referenced by getDIEAtIndex(), and getParentEntry().

◆ getDebugInfoExtractor()

DWARFDataExtractor DWARFUnit::getDebugInfoExtractor ( ) const

Definition at line 217 of file DWARFUnit.cpp.

References getAddressByteSize().

◆ getDIEAtIndex()

DWARFDie llvm::DWARFUnit::getDIEAtIndex ( unsigned Index )

inline

Return the DIE object at the given index Index.

Definition at line 528 of file DWARFUnit.h.

References getDebugInfoEntry().

◆ getDIEForOffset()

DWARFDie llvm::DWARFUnit::getDIEForOffset ( uint64_t Offset )

inline

Return the DIE object for a given offset Offset inside the unit's DIE vector.

Definition at line 540 of file DWARFUnit.h.

References getDIEIndexForOffset(), and llvm::Offset.

Referenced by llvm::DWARFContext::dump(), llvm::DWARFTypeUnit::dump(), and llvm::DWARFDie::getAttributeValueAsReferencedDie().

◆ getDIEIndex() [1/2]

uint32_t llvm::DWARFUnit::getDIEIndex ( const DWARFDebugInfoEntry * Die ) const

inlineprotected

Return the index of a Die entry inside the unit's DIE vector.

It is illegal to call this method with a DIE that hasn't be created by this unit. In other word, it's illegal to call this method on a DIE that isn't accessible by following children/sibling links starting from this unit's getUnitDIE().

Definition at line 276 of file DWARFUnit.h.

References assert(), and llvm::First.

◆ getDIEIndex() [2/2]

uint32_t llvm::DWARFUnit::getDIEIndex ( const DWARFDie & D ) const

inline

Return the index of a DIE inside the unit's DIE vector.

It is illegal to call this method with a DIE that hasn't be created by this unit. In other word, it's illegal to call this method on a DIE that isn't accessible by following children/sibling links starting from this unit's getUnitDIE().

Definition at line 523 of file DWARFUnit.h.

References D(), and getDIEIndex().

◆ getDIEIndexForOffset()

std::optional< uint32_t > llvm::DWARFUnit::getDIEIndexForOffset ( uint64_t Offset )

inline

Return the DIE index for a given offset Offset inside the unit's DIE vector.

Definition at line 549 of file DWARFUnit.h.

References llvm::DIE::getOffset(), llvm::Offset, and llvm::partition_point().

Referenced by getDIEForOffset().

◆ getDwarfOffsetByteSize()

uint8_t llvm::DWARFUnit::getDwarfOffsetByteSize ( ) const

inline

Definition at line 335 of file DWARFUnit.h.

◆ getDwarfStringOffsetsByteSize()

uint8_t llvm::DWARFUnit::getDwarfStringOffsetsByteSize ( ) const

inline

Definition at line 417 of file DWARFUnit.h.

References assert().

Referenced by getStringOffsetSectionItem().

◆ getDWOId()

std::optional< uint64_t > llvm::DWARFUnit::getDWOId ( )

inline

Definition at line 465 of file DWARFUnit.h.

References getHeader().

Referenced by llvm::DWARFCompileUnit::dump().

◆ getFirstChild()

DWARFDie DWARFUnit::getFirstChild ( const DWARFDebugInfoEntry * Die )

Definition at line 991 of file DWARFUnit.cpp.

References getFirstChildEntry().

◆ getFirstChildEntry()

const DWARFDebugInfoEntry * DWARFUnit::getFirstChildEntry ( const DWARFDebugInfoEntry * Die ) const

protected

Definition at line 999 of file DWARFUnit.cpp.

References assert(), getDIEIndex(), llvm::DWARFDebugInfoEntry::hasChildren(), and I.

Referenced by getFirstChild().

◆ getFormat()

dwarf::DwarfFormat llvm::DWARFUnit::getFormat ( ) const

inline

Definition at line 341 of file DWARFUnit.h.

Referenced by llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), getLoclistOffset(), and getRnglistOffset().

◆ getFormParams()

const dwarf::FormParams & llvm::DWARFUnit::getFormParams ( ) const

inline

Definition at line 329 of file DWARFUnit.h.

Referenced by convertFunctionLineTable().

◆ getHeader()

const DWARFUnitHeader & llvm::DWARFUnit::getHeader ( ) const

inlineprotected

Definition at line 299 of file DWARFUnit.h.

Referenced by getDWOId(), llvm::DWARFTypeUnit::getTypeHash(), and llvm::DWARFTypeUnit::getTypeOffset().

◆ getHeaderSize()

uint32_t llvm::DWARFUnit::getHeaderSize ( ) const

inline

Size in bytes of the parsed unit header.

Definition at line 339 of file DWARFUnit.h.

◆ getIndexedAddressOffset()

std::optional< uint64_t > llvm::DWARFUnit::getIndexedAddressOffset ( uint64_t Index )

inline

Returns offset to the indexed address value inside .debug_addr section.

Definition at line 368 of file DWARFUnit.h.

References getAddressByteSize(), and getAddrOffsetSectionBase().

◆ getInfoSection()

const DWARFSection & llvm::DWARFUnit::getInfoSection ( ) const

inline

Definition at line 327 of file DWARFUnit.h.

◆ getInlinedChainForAddress()

void DWARFUnit::getInlinedChainForAddress	(	uint64_t	Address,
		SmallVectorImpl< DWARFDie > &	InlinedChain )

getInlinedChainForAddress - fetches inlined chain for a given address.

Returns empty chain if there is no subprogram containing address. The chain is valid as long as parsed compile unit DIEs are not cleared.

Definition at line 879 of file DWARFUnit.cpp.

References llvm::Address, assert(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), llvm::DWARFDie::getParent(), getSubroutineForAddress(), llvm::DWARFDie::getTag(), llvm::DWARFDie::isSubprogramDIE(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().

◆ getLastChild()

DWARFDie DWARFUnit::getLastChild ( const DWARFDebugInfoEntry * Die )

Definition at line 1016 of file DWARFUnit.cpp.

References getLastChildEntry().

◆ getLastChildEntry()

const DWARFDebugInfoEntry * DWARFUnit::getLastChildEntry ( const DWARFDebugInfoEntry * Die ) const

protected

Definition at line 1024 of file DWARFUnit.cpp.

References assert(), DWARFUnit(), getDIEIndex(), llvm::DWARFDebugInfoEntry::getSiblingIdx(), llvm::dwarf::getTag(), getUnitDIE(), and llvm::DWARFDebugInfoEntry::hasChildren().

Referenced by getLastChild().

◆ getLength()

uint64_t llvm::DWARFUnit::getLength ( ) const

inline

Definition at line 340 of file DWARFUnit.h.

Referenced by llvm::DWARFCompileUnit::dump(), and llvm::DWARFTypeUnit::dump().

◆ getLineSection()

const DWARFSection & llvm::DWARFUnit::getLineSection ( ) const

inline

Definition at line 346 of file DWARFUnit.h.

◆ getLineTableOffset()

uint32_t llvm::DWARFUnit::getLineTableOffset ( ) const

inline

Definition at line 560 of file DWARFUnit.h.

◆ getLinkedUnit()

DWARFUnit * llvm::DWARFUnit::getLinkedUnit ( )

inline

Definition at line 356 of file DWARFUnit.h.

References DWARFUnit().

◆ getLocationTable()

const DWARFLocationTable & llvm::DWARFUnit::getLocationTable ( )

inline

Definition at line 401 of file DWARFUnit.h.

Referenced by findLoclistFromOffset().

◆ getLoclistOffset()

std::optional< uint64_t > DWARFUnit::getLoclistOffset ( uint32_t Index )

Definition at line 1226 of file DWARFUnit.cpp.

References getFormat(), and llvm::DWARFListTableHeader::getOffsetEntry().

◆ getLocSectionBase()

uint64_t llvm::DWARFUnit::getLocSectionBase ( ) const

inline

Definition at line 387 of file DWARFUnit.h.

◆ getNextUnitOffset()

uint64_t llvm::DWARFUnit::getNextUnitOffset ( ) const

inline

Definition at line 345 of file DWARFUnit.h.

Referenced by llvm::DWARFCompileUnit::dump(), and llvm::DWARFTypeUnit::dump().

◆ getNonSkeletonUnitDIE()

DWARFDie llvm::DWARFUnit::getNonSkeletonUnitDIE	(	bool	ExtractUnitDIEOnly = true,
		StringRef	DWOAlternativeLocation = {} )

inline

Definition at line 457 of file DWARFUnit.h.

Referenced by llvm::DWARFCompileUnit::dump().

◆ getNumDIEs()

unsigned llvm::DWARFUnit::getNumDIEs ( )

inline

Returns the number of DIEs in the unit.

Parses the unit if necessary.

Definition at line 512 of file DWARFUnit.h.

◆ getOffset()

uint64_t llvm::DWARFUnit::getOffset ( ) const

inline

Definition at line 328 of file DWARFUnit.h.

Referenced by llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), and llvm::dwarf_linker::parallel::CompileUnit::resolveDIEReference().

◆ getParent()

DWARFDie DWARFUnit::getParent ( const DWARFDebugInfoEntry * Die )

Definition at line 908 of file DWARFUnit.cpp.

References getParentEntry().

◆ getParentEntry()

const DWARFDebugInfoEntry * DWARFUnit::getParentEntry ( const DWARFDebugInfoEntry * Die ) const

protected

Definition at line 916 of file DWARFUnit.cpp.

References assert(), getDebugInfoEntry(), and llvm::DWARFDebugInfoEntry::getParentIdx().

Referenced by getParent().

◆ getPreviousSibling()

DWARFDie DWARFUnit::getPreviousSibling ( const DWARFDebugInfoEntry * Die )

Definition at line 952 of file DWARFUnit.cpp.

References getPreviousSiblingEntry().

◆ getPreviousSiblingEntry()

const DWARFDebugInfoEntry * DWARFUnit::getPreviousSiblingEntry ( const DWARFDebugInfoEntry * Die ) const

protected

Definition at line 960 of file DWARFUnit.cpp.

References assert(), getDIEIndex(), and llvm::DWARFDebugInfoEntry::getParentIdx().

Referenced by getPreviousSibling().

◆ getRefAddrByteSize()

uint8_t llvm::DWARFUnit::getRefAddrByteSize ( ) const

inline

Definition at line 334 of file DWARFUnit.h.

◆ getRnglistOffset()

std::optional< uint64_t > DWARFUnit::getRnglistOffset ( uint32_t Index )

Return a rangelist's offset based on an index.

The index designates an entry in the rangelist table's offset array and is supplied by DW_FORM_rnglistx.

Definition at line 1215 of file DWARFUnit.cpp.

References getAddressByteSize(), getFormat(), and llvm::DWARFListTableHeader::getOffsetEntry().

Referenced by findRnglistFromIndex().

◆ getSibling()

DWARFDie DWARFUnit::getSibling ( const DWARFDebugInfoEntry * Die )

Definition at line 930 of file DWARFUnit.cpp.

References getSiblingEntry().

◆ getSiblingEntry()

const DWARFDebugInfoEntry * DWARFUnit::getSiblingEntry ( const DWARFDebugInfoEntry * Die ) const

protected

Definition at line 938 of file DWARFUnit.cpp.

References assert(), and llvm::DWARFDebugInfoEntry::getSiblingIdx().

Referenced by getSibling().

◆ getStringExtractor()

DataExtractor llvm::DWARFUnit::getStringExtractor ( ) const

inline

Definition at line 397 of file DWARFUnit.h.

◆ getStringOffsetsBase()

uint64_t llvm::DWARFUnit::getStringOffsetsBase ( ) const

inline

Definition at line 422 of file DWARFUnit.h.

References assert().

Referenced by getStringOffsetSectionItem().

◆ getStringOffsetSection()

const DWARFSection & llvm::DWARFUnit::getStringOffsetSection ( ) const

inline

Definition at line 348 of file DWARFUnit.h.

◆ getStringOffsetSectionItem()

Expected< uint64_t > DWARFUnit::getStringOffsetSectionItem ( uint32_t Index ) const

Definition at line 246 of file DWARFUnit.cpp.

References getDwarfStringOffsetsByteSize(), getStringOffsetsBase(), llvm::inconvertibleErrorCode(), llvm::make_error(), and llvm::Offset.

◆ getStringOffsetsTableContribution()

const std::optional< StrOffsetsContributionDescriptor > & llvm::DWARFUnit::getStringOffsetsTableContribution ( )

inline

Definition at line 412 of file DWARFUnit.h.

◆ getStringSection()

StringRef llvm::DWARFUnit::getStringSection ( ) const

inline

Definition at line 347 of file DWARFUnit.h.

◆ getSubroutineForAddress()

DWARFDie DWARFUnit::getSubroutineForAddress ( uint64_t Address )

Returns subprogram DIE with address range encompassing the provided address.

The pointer is alive as long as parsed compile unit DIEs are not cleared.

Definition at line 770 of file DWARFUnit.cpp.

References llvm::Address, getUnitDIE(), and updateAddressDieMap().

Referenced by llvm::DWARFContext::getDIEsForAddress(), and getInlinedChainForAddress().

◆ getUnitDIE()

DWARFDie llvm::DWARFUnit::getUnitDIE ( bool ExtractUnitDIEOnly = true )

inline

Definition at line 450 of file DWARFUnit.h.

Referenced by llvm::dwarf_linker::parallel::CompileUnit::cloneAndEmit(), collectAddressRanges(), llvm::gsym::DwarfTransformer::convert(), determineStringOffsetsTableContribution(), llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), getBaseAddress(), getCompilationDir(), llvm::dwarf_linker::classic::CompileUnit::getLanguage(), getLastChildEntry(), getSubroutineForAddress(), llvm::dwarf_linker::classic::CompileUnit::getSysRoot(), and getVariableForAddress().

◆ getUnitType()

uint8_t llvm::DWARFUnit::getUnitType ( ) const

inline

Definition at line 342 of file DWARFUnit.h.

Referenced by llvm::DWARFCompileUnit::dump(), and llvm::DWARFTypeUnit::dump().

◆ getUnitVector()

const DWARFUnitVector & llvm::DWARFUnit::getUnitVector ( ) const

inline

Return the DWARFUnitVector containing this unit.

Definition at line 508 of file DWARFUnit.h.

Referenced by llvm::DWARFDie::getAttributeValueAsReferencedDie().

◆ getVariableForAddress()

DWARFDie DWARFUnit::getVariableForAddress ( uint64_t Address )

Returns variable DIE for the address provided.

The pointer is alive as long as parsed compile unit DIEs are not cleared.

Definition at line 858 of file DWARFUnit.cpp.

References llvm::Address, getUnitDIE(), and updateVariableDieMap().

◆ getVersion()

uint16_t llvm::DWARFUnit::getVersion ( ) const

inline

Definition at line 332 of file DWARFUnit.h.

Referenced by determineStringOffsetsTableContributionDWO(), llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), findRnglistFromOffset(), and tryExtractDIEsIfNeeded().

◆ isDWOUnit()

bool llvm::DWARFUnit::isDWOUnit ( ) const

inline

Definition at line 325 of file DWARFUnit.h.

Referenced by llvm::gsym::DwarfTransformer::convert(), and llvm::logicalview::LVDWARFReader::createScopes().

◆ isLittleEndian()

bool llvm::DWARFUnit::isLittleEndian ( ) const

inline

Definition at line 324 of file DWARFUnit.h.

Referenced by updateVariableDieMap().

◆ isMatchingUnitTypeAndTag()

bool llvm::DWARFUnit::isMatchingUnitTypeAndTag	(	uint8_t	UnitType,
		dwarf::Tag	Tag )

inlinestatic

Definition at line 431 of file DWARFUnit.h.

References llvm::dwarf::isUnitType(), and llvm::Tag.

◆ isTypeUnit()

bool llvm::DWARFUnit::isTypeUnit ( ) const

inline

Definition at line 343 of file DWARFUnit.h.

◆ setAddrOffsetSection()

void llvm::DWARFUnit::setAddrOffsetSection	(	const DWARFSection *	AOS,
		uint64_t	Base )

inline

Definition at line 358 of file DWARFUnit.h.

References llvm::sampleprof::Base.

◆ setDWOId()

void llvm::DWARFUnit::setDWOId ( uint64_t NewID )

inline

Definition at line 469 of file DWARFUnit.h.

◆ setRangesSection()

void llvm::DWARFUnit::setRangesSection	(	const DWARFSection *	RS,
		uint64_t	Base )

inline

Definition at line 382 of file DWARFUnit.h.

References llvm::sampleprof::Base.

Referenced by tryExtractDIEsIfNeeded().

◆ setSkeletonUnit()

void llvm::DWARFUnit::setSkeletonUnit ( DWARFUnit * SU )

inline

Definition at line 352 of file DWARFUnit.h.

References DWARFUnit().

◆ tryExtractDIEsIfNeeded()

Error DWARFUnit::tryExtractDIEsIfNeeded ( bool CUDieOnly )

◆ updateAddressDieMap()

void DWARFUnit::updateAddressDieMap ( DWARFDie Die )

Recursively update address to Die map.

Definition at line 739 of file DWARFUnit.cpp.

References B(), llvm::consumeError(), llvm::DWARFDie::getAddressRanges(), llvm::DWARFDie::getFirstChild(), llvm::DWARFDie::getSibling(), llvm::DWARFDie::isSubroutineDIE(), and updateAddressDieMap().

Referenced by getSubroutineForAddress(), and updateAddressDieMap().

◆ updateVariableDieMap()

void DWARFUnit::updateVariableDieMap ( DWARFDie Die )

Recursively update address to variable Die map.

Definition at line 784 of file DWARFUnit.cpp.

References llvm::Address, llvm::DWARFExpression::begin(), llvm::consumeError(), llvm::Data, llvm::DWARFExpression::end(), getAddressByteSize(), getAddrOffsetSectionItem(), llvm::DWARFDie::getAttributeValueAsReferencedDie(), llvm::DWARFDie::getLocations(), llvm::DWARFDie::getTag(), llvm::DWARFDie::getTypeSize(), isLittleEndian(), llvm::dwarf::isType(), Size, UINT64_MAX, and updateVariableDieMap().

Referenced by getVariableForAddress(), and updateVariableDieMap().

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

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

Public Member Functions

Static Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ DWARFUnit()

◆ ~DWARFUnit()

Member Function Documentation

◆ clear()

◆ collectAddressRanges()

◆ determineStringOffsetsTableContribution()

◆ determineStringOffsetsTableContributionDWO()

◆ dies()

◆ dump()

◆ extractRangeList()

◆ findLoclistFromOffset()

◆ findRnglistFromIndex()

◆ findRnglistFromOffset()

◆ getAbbreviations()

◆ getAbbreviationsOffset()

◆ getAbbrOffset()

◆ getAddressByteSize()

◆ getAddrOffsetSectionBase()

◆ getAddrOffsetSectionItem()

◆ getBaseAddress()

◆ getCompilationDir()

◆ getContext()

◆ getDebugInfoEntry()

◆ getDebugInfoExtractor()

◆ getDIEAtIndex()

◆ getDIEForOffset()

◆ getDIEIndex() [1/2]

◆ getDIEIndex() [2/2]

◆ getDIEIndexForOffset()

◆ getDwarfOffsetByteSize()

◆ getDwarfStringOffsetsByteSize()

◆ getDWOId()

◆ getFirstChild()

◆ getFirstChildEntry()

◆ getFormat()

◆ getFormParams()

◆ getHeader()

◆ getHeaderSize()

◆ getIndexedAddressOffset()

◆ getInfoSection()

◆ getInlinedChainForAddress()

◆ getLastChild()

◆ getLastChildEntry()

◆ getLength()

◆ getLineSection()

◆ getLineTableOffset()

◆ getLinkedUnit()

◆ getLocationTable()

◆ getLoclistOffset()

◆ getLocSectionBase()

◆ getNextUnitOffset()

◆ getNonSkeletonUnitDIE()

◆ getNumDIEs()

◆ getOffset()

◆ getParent()

◆ getParentEntry()

◆ getPreviousSibling()

◆ getPreviousSiblingEntry()

◆ getRefAddrByteSize()

◆ getRnglistOffset()

◆ getSibling()

◆ getSiblingEntry()

◆ getStringExtractor()

◆ getStringOffsetsBase()

◆ getStringOffsetSection()

◆ getStringOffsetSectionItem()

◆ getStringOffsetsTableContribution()

◆ getStringSection()

◆ getSubroutineForAddress()

◆ getUnitDIE()

◆ getUnitType()

◆ getUnitVector()

◆ getVariableForAddress()

◆ getVersion()

◆ isDWOUnit()