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

Inheritance diagram for llvm::DWARFUnit:

Collaboration 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	isDWOUnit () const

DWARFContext &	getContext () const

const DWARFSection &	getInfoSection () const

const DWARFSection *	getLocSection () const

StringRef	getLocSectionData () 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

uint64_t	getLength () const

uint8_t	getUnitType () const

bool	isTypeUnit () const

uint64_t	getNextUnitOffset () const

const DWARFSection &	getLineSection () const

StringRef	getStringSection () const

const DWARFSection &	getStringOffsetSection () const

void	setAddrOffsetSection (const DWARFSection *AOS, uint32_t Base)

void	updateAddressDieMap (DWARFDie Die)
	Recursively update address to Die map. More...

void	setRangesSection (const DWARFSection *RS, uint64_t Base)

Optional< object::SectionedAddress >	getAddrOffsetSectionItem (uint32_t Index) const

Optional< uint64_t >	getStringOffsetSectionItem (uint32_t Index) const

DWARFDataExtractor	getDebugInfoExtractor () const

DataExtractor	getStringExtractor () const

Error	extractRangeList (uint64_t RangeListOffset, DWARFDebugRangeList &RangeList) const
	Extract the range list referenced by this compile unit from the .debug_ranges section. More...

void	clear ()

const Optional< StrOffsetsContributionDescriptor > &	getStringOffsetsTableContribution () const

uint8_t	getDwarfStringOffsetsByteSize () const

uint64_t	getStringOffsetsBase () const

const DWARFAbbreviationDeclarationSet *	getAbbreviations () const

llvm::Optional< object::SectionedAddress >	getBaseAddress ()

DWARFDie	getUnitDIE (bool ExtractUnitDIEOnly=true)

DWARFDie	getNonSkeletonUnitDIE (bool ExtractUnitDIEOnly=true)

const char *	getCompilationDir ()

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. More...

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). More...

Optional< uint64_t >	getRnglistOffset (uint32_t Index)
	Return a rangelist's offset based on an index. More...

Expected< DWARFAddressRangesVector >	collectAddressRanges ()

DWARFDie	getSubroutineForAddress (uint64_t Address)
	Returns subprogram DIE with address range encompassing the provided address. More...

void	getInlinedChainForAddress (uint64_t Address, SmallVectorImpl< DWARFDie > &InlinedChain)
	getInlinedChainForAddress - fetches inlined chain for a given address. More...

const DWARFUnitVector &	getUnitVector () const
	Return the DWARFUnitVector containing this unit. More...

unsigned	getNumDIEs ()
	Returns the number of DIEs in the unit. More...

uint32_t	getDIEIndex (const DWARFDie &D)
	Return the index of a DIE inside the unit's DIE vector. More...

DWARFDie	getDIEAtIndex (unsigned Index)
	Return the DIE object at the given index. More...

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 inside the unit's DIE vector. More...

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)

static uint32_t	getDWARF5HeaderSize (uint8_t UnitType)
	Return the number of bytes for the header of a unit of UnitType type. More...

Protected Member Functions
const DWARFUnitHeader &	getHeader () const

uint32_t	getHeaderSize () const
	Size in bytes of the parsed unit header. More...

Expected< Optional< StrOffsetsContributionDescriptor > >	determineStringOffsetsTableContribution (DWARFDataExtractor &DA)
	Find the unit's contribution to the string offsets table and determine its length and form. More...

Expected< Optional< StrOffsetsContributionDescriptor > >	determineStringOffsetsTableContributionDWO (DWARFDataExtractor &DA)
	Find the unit's contribution to the string offsets table and determine its length and form. More...

Detailed Description

Definition at line 193 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 171 of file DWARFUnit.cpp.

References C, clear(), llvm::DWARFSection::Data, llvm::DW_SECT_LOC, llvm::DWARFUnitHeader::getIndexEntry(), LocSectionData, llvm::StringRef::substr(), and ~DWARFUnit().

◆ ~DWARFUnit()

DWARFUnit::~DWARFUnit ( )

virtualdefault

Referenced by DWARFUnit().

Member Function Documentation

◆ clear()

void DWARFUnit::clear ( )

Definition at line 338 of file DWARFUnit.cpp.

Referenced by DWARFUnit().

◆ collectAddressRanges()

Expected< DWARFAddressRangesVector > DWARFUnit::collectAddressRanges ( )

Definition at line 588 of file DWARFUnit.cpp.

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

◆ determineStringOffsetsTableContribution()

Expected< 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 857 of file DWARFUnit.cpp.

References llvm::StringRef::data(), llvm::find(), llvm::DataExtractor::getData(), llvm::DWARFUnitHeader::getFormat(), getUnitDIE(), llvm::None, parseDWARFStringOffsetsTableHeader(), and llvm::dwarf::toSectionOffset().

Referenced by tryExtractDIEsIfNeeded().

◆ determineStringOffsetsTableContributionDWO()

Expected< 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 876 of file DWARFUnit.cpp.

References C, llvm::DWARFSection::Data, llvm::StringRef::data(), llvm::DW_SECT_STR_OFFSETS, llvm::dwarf::DWARF32, llvm::DataExtractor::getData(), llvm::DWARFUnitHeader::getFormat(), llvm::DWARFUnitHeader::getIndexEntry(), getVersion(), llvm::None, parseDWARFStringOffsetsTableHeader(), and llvm::StringRef::size().

Referenced by tryExtractDIEsIfNeeded().

◆ dies()

die_iterator_range llvm::DWARFUnit::dies ( )

inline

Definition at line 493 of file DWARFUnit.h.

References llvm::dump(), llvm::DWARFUnitHeader::getLength(), and llvm::DWARFUnitHeader::getUnitLengthFieldByteSize().

◆ dump()

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

pure virtual

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

◆ 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 328 of file DWARFUnit.cpp.

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

Referenced by findRnglistFromOffset().

◆ 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 576 of file DWARFUnit.cpp.

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

◆ 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 555 of file DWARFUnit.cpp.

References llvm::createStringError(), E, extractRangeList(), llvm::DWARFDebugRangeList::getAbsoluteRanges(), getBaseAddress(), llvm::DWARFContext::getDWARFObj(), getVersion(), and llvm::invalid_argument.

Referenced by findRnglistFromIndex().

◆ getAbbreviations()

const DWARFAbbreviationDeclarationSet * DWARFUnit::getAbbreviations ( ) const

Definition at line 761 of file DWARFUnit.cpp.

References llvm::DWARFDebugAbbrev::getAbbreviationDeclarationSet(), and llvm::DWARFUnitHeader::getAbbrOffset().

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

◆ getAddressByteSize()

uint8_t llvm::DWARFUnit::getAddressByteSize ( ) const

inline

Definition at line 284 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getAddressByteSize().

Referenced by llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), dumpAttribute(), dumpLocation(), extractRangeList(), getAddrOffsetSectionItem(), llvm::DWARFAbbreviationDeclaration::getAttributeValue(), llvm::DWARFContext::getCUAddrSize(), getDebugInfoExtractor(), llvm::DWARFContext::getDebugLoc(), llvm::DWARFContext::getLineTableForUnit(), llvm::DWARFVerifier::handleDebugInfo(), and isVariableIndexable().

◆ getAddrOffsetSectionItem()

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

Definition at line 201 of file DWARFUnit.cpp.

References llvm::Address, llvm::DWARFSection::Data, getAddressByteSize(), llvm::DWARFContext::getDWARFObj(), I, llvm::DWARFContext::info_section_units(), llvm::None, llvm::ARMBuildAttrs::Section, and llvm::StringRef::size().

Referenced by llvm::DWARFDebugRnglist::getAbsoluteRanges().

◆ getBaseAddress()

llvm::Optional< object::SectionedAddress > DWARFUnit::getBaseAddress ( )

Definition at line 767 of file DWARFUnit.cpp.

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

Referenced by dumpLocation(), and findRnglistFromOffset().

◆ getCompilationDir()

const char * DWARFUnit::getCompilationDir ( )

◆ getContext()

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

inline

Definition at line 275 of file DWARFUnit.h.

References Context.

Referenced by dumpAttribute(), dumpLocation(), llvm::DWARFFormValue::extractValue(), and getTypeSize().

◆ getDebugInfoExtractor()

DWARFDataExtractor DWARFUnit::getDebugInfoExtractor ( ) const

Definition at line 195 of file DWARFUnit.cpp.

References getAddressByteSize(), and llvm::DWARFContext::getDWARFObj().

Referenced by llvm::DWARFFormValue::createFromUnit(), llvm::DWARFDebugInfoEntry::extractFast(), llvm::DWARFAbbreviationDeclaration::getAttributeValue(), and getCompilationDir().

◆ getDIEAtIndex()

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

inline

Return the DIE object at the given index.

Definition at line 459 of file DWARFUnit.h.

References assert(), and getParent().

Referenced by llvm::DWARFVerifier::DieRangeInfo::intersects().

◆ getDIEForOffset()

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

inline

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

The unit needs to have its DIEs extracted for this method to work.

Definition at line 474 of file DWARFUnit.h.

References assert(), llvm::DWARFDebugInfoEntry::getOffset(), and llvm::partition_point().

Referenced by llvm::DWARFTypeUnit::dump(), llvm::DWARFExpression::Operation::print(), and llvm::DWARFExpression::Operation::verify().

◆ getDIEIndex()

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

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 454 of file DWARFUnit.h.

References llvm::DWARFDie::getDebugInfoEntry().

◆ getDWARF5HeaderSize()

static uint32_t llvm::DWARFUnit::getDWARF5HeaderSize ( uint8_t UnitType )

inlinestatic

Return the number of bytes for the header of a unit of UnitType type.

This function must be called with a valid unit type which in DWARF5 is defined as one of the following six types.

Definition at line 369 of file DWARFUnit.h.

References llvm_unreachable.

◆ getDwarfOffsetByteSize()

uint8_t llvm::DWARFUnit::getDwarfOffsetByteSize ( ) const

inline

Definition at line 286 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getDwarfOffsetByteSize().

Referenced by llvm::DWARFAbbreviationDeclaration::getAttributeValue(), and llvm::StrOffsetsContributionDescriptor::validateContributionSize().

◆ getDwarfStringOffsetsByteSize()

uint8_t llvm::DWARFUnit::getDwarfStringOffsetsByteSize ( ) const

inline

Definition at line 335 of file DWARFUnit.h.

References assert().

Referenced by getStringOffsetSectionItem().

◆ getDWOId()

Optional<uint64_t> llvm::DWARFUnit::getDWOId ( )

inline

Definition at line 401 of file DWARFUnit.h.

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

◆ getFirstChild()

DWARFDie DWARFUnit::getFirstChild ( const DWARFDebugInfoEntry * Die )

Definition at line 735 of file DWARFUnit.cpp.

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

◆ getFormParams()

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

inline

Definition at line 280 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getFormParams().

Referenced by llvm::DWARFFormValue::createFromUnit(), llvm::DWARFDebugInfoEntry::extractFast(), llvm::DWARFAbbreviationDeclaration::getAttributeValue(), and llvm::DWARFAbbreviationDeclaration::AttributeSpec::getByteSize().

◆ getHeader()

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

inlineprotected

Definition at line 246 of file DWARFUnit.h.

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

◆ getHeaderSize()

uint32_t llvm::DWARFUnit::getHeaderSize ( ) const

inlineprotected

Size in bytes of the parsed unit header.

Definition at line 249 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getSize(), llvm::AArch64CC::LE, llvm::AArch64CC::LS, and llvm::ARMBuildAttrs::Section.

Referenced by getCompilationDir().

◆ getInfoSection()

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

inline

Definition at line 276 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 648 of file DWARFUnit.cpp.

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

Referenced by getFunctionNameAndStartLineForAddress(), and llvm::DWARFContext::getInliningInfoForAddress().

◆ getLastChild()

DWARFDie DWARFUnit::getLastChild ( const DWARFDebugInfoEntry * Die )

Definition at line 746 of file DWARFUnit.cpp.

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

◆ getLength()

uint64_t llvm::DWARFUnit::getLength ( ) const

inline

Definition at line 289 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getLength().

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

◆ getLineSection()

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

inline

Definition at line 293 of file DWARFUnit.h.

Referenced by llvm::DWARFContext::getLineTableForUnit().

◆ getLineTableOffset()

uint32_t llvm::DWARFUnit::getLineTableOffset ( ) const

inline

Definition at line 486 of file DWARFUnit.h.

References llvm::DW_SECT_LINE, and llvm::DWARFUnitHeader::getIndexEntry().

Referenced by llvm::DWARFContext::getLineTableForUnit().

◆ getLocSection()

const DWARFSection* llvm::DWARFUnit::getLocSection ( ) const

inline

Definition at line 277 of file DWARFUnit.h.

Referenced by dumpLocation().

◆ getLocSectionData()

StringRef llvm::DWARFUnit::getLocSectionData ( ) const

inline

Definition at line 278 of file DWARFUnit.h.

Referenced by dumpLocation().

◆ getNextUnitOffset()

uint64_t llvm::DWARFUnit::getNextUnitOffset ( ) const

inline

Definition at line 292 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getNextUnitOffset().

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

◆ getNonSkeletonUnitDIE()

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

inline

Definition at line 393 of file DWARFUnit.h.

◆ getNumDIEs()

unsigned llvm::DWARFUnit::getNumDIEs ( )

inline

Returns the number of DIEs in the unit.

Parses the unit if necessary.

Definition at line 443 of file DWARFUnit.h.

Referenced by llvm::DWARFVerifier::DieRangeInfo::intersects().

◆ getOffset()

uint64_t llvm::DWARFUnit::getOffset ( ) const

inline

Definition at line 279 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getOffset().

Referenced by llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), getCompilationDir(), getNames(), isVariableIndexable(), llvm::DWARFExpression::Operation::print(), and llvm::DWARFExpression::Operation::verify().

◆ getParent()

DWARFDie DWARFUnit::getParent ( const DWARFDebugInfoEntry * Die )

Definition at line 677 of file DWARFUnit.cpp.

References llvm::Depth, llvm::DWARFDebugInfoEntry::getDepth(), getDepth(), getUnitDIE(), and I.

◆ getPreviousSibling()

DWARFDie DWARFUnit::getPreviousSibling ( const DWARFDebugInfoEntry * Die )

Definition at line 716 of file DWARFUnit.cpp.

References llvm::Depth, llvm::DWARFDebugInfoEntry::getDepth(), getDepth(), and I.

◆ getRefAddrByteSize()

uint8_t llvm::DWARFUnit::getRefAddrByteSize ( ) const

inline

Definition at line 285 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getRefAddrByteSize().

Referenced by llvm::DWARFAbbreviationDeclaration::getAttributeValue().

◆ getRnglistOffset()

Optional<uint64_t> llvm::DWARFUnit::getRnglistOffset ( uint32_t Index )

inline

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 419 of file DWARFUnit.h.

References llvm::Address, and llvm::None.

Referenced by dumpAttribute(), and findRnglistFromIndex().

◆ getSibling()

DWARFDie DWARFUnit::getSibling ( const DWARFDebugInfoEntry * Die )

Definition at line 696 of file DWARFUnit.cpp.

References llvm::Depth, llvm::DWARFDebugInfoEntry::getAbbreviationDeclarationPtr(), llvm::DWARFDebugInfoEntry::getDepth(), getDepth(), and I.

◆ getStringExtractor()

DataExtractor llvm::DWARFUnit::getStringExtractor ( ) const

inline

Definition at line 318 of file DWARFUnit.h.

References clear().

◆ getStringOffsetsBase()

uint64_t llvm::DWARFUnit::getStringOffsetsBase ( ) const

inline

Definition at line 340 of file DWARFUnit.h.

References assert().

Referenced by getStringOffsetSectionItem().

◆ getStringOffsetSection()

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

inline

Definition at line 295 of file DWARFUnit.h.

◆ getStringOffsetSectionItem()

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

Definition at line 222 of file DWARFUnit.cpp.

References llvm::DWARFSection::Data, llvm::DWARFContext::getDWARFObj(), getDwarfStringOffsetsByteSize(), getStringOffsetsBase(), llvm::None, and llvm::StringRef::size().

◆ getStringOffsetsTableContribution()

const Optional<StrOffsetsContributionDescriptor>& llvm::DWARFUnit::getStringOffsetsTableContribution ( ) const

inline

Definition at line 331 of file DWARFUnit.h.

◆ getStringSection()

StringRef llvm::DWARFUnit::getStringSection ( ) const

inline

Definition at line 294 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 633 of file DWARFUnit.cpp.

References getUnitDIE(), and updateAddressDieMap().

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

◆ getUnitDIE()

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

inline

Definition at line 386 of file DWARFUnit.h.

Referenced by collectAddressRanges(), determineStringOffsetsTableContribution(), llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), dumpArrayType(), getBaseAddress(), getCompilationDir(), llvm::DWARFContext::getLineTableForUnit(), getParent(), getSubroutineForAddress(), llvm::DWARFVerifier::DieRangeInfo::intersects(), and tryExtractDIEsIfNeeded().

◆ getUnitType()

uint8_t llvm::DWARFUnit::getUnitType ( ) const

inline

Definition at line 290 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getUnitType().

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

◆ getUnitVector()

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

inline

Return the DWARFUnitVector containing this unit.

Definition at line 439 of file DWARFUnit.h.

◆ getVersion()

uint16_t llvm::DWARFUnit::getVersion ( ) const

inline

Definition at line 283 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getVersion().

Referenced by determineStringOffsetsTableContributionDWO(), llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), dumpLocation(), findRnglistFromOffset(), llvm::DWARFVerifier::handleDebugInfo(), isVariableIndexable(), and tryExtractDIEsIfNeeded().

◆ isDWOUnit()

bool llvm::DWARFUnit::isDWOUnit ( ) const

inline

Definition at line 274 of file DWARFUnit.h.

Referenced by dumpLocation().

◆ isMatchingUnitTypeAndTag()

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

inlinestatic

Definition at line 347 of file DWARFUnit.h.

References llvm::dwarf::isUnitType().

Referenced by llvm::DWARFVerifier::DieRangeInfo::intersects().

◆ isTypeUnit()

bool llvm::DWARFUnit::isTypeUnit ( ) const

inline

Definition at line 291 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::isTypeUnit().

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

◆ setAddrOffsetSection()

void llvm::DWARFUnit::setAddrOffsetSection	(	const DWARFSection *	AOS,
		uint32_t	Base
	)

inline

Definition at line 299 of file DWARFUnit.h.

◆ setDWOId()

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

inline

Definition at line 405 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::setDWOId().

◆ setRangesSection()

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

inline

Definition at line 307 of file DWARFUnit.h.

Referenced by tryExtractDIEsIfNeeded().

◆ tryExtractDIEsIfNeeded()

Error DWARFUnit::tryExtractDIEsIfNeeded ( bool CUDieOnly )

Definition at line 411 of file DWARFUnit.cpp.

References llvm::sys::path::append(), assert(), llvm::createStringError(), llvm::DWARFSection::Data, determineStringOffsetsTableContribution(), determineStringOffsetsTableContributionDWO(), llvm::WithColor::error(), llvm::DWARFDie::find(), llvm::DWARFContext::getDWARFObj(), llvm::DWARFContext::getDWOContext(), getDWOId(), llvm::DWARFUnitHeader::getFormat(), llvm::DWARFDie::getRangesBaseAttribute(), llvm::DWARFObject::getRnglistsDWOSection(), llvm::DWARFObject::getRnglistsSection(), getUnitDIE(), getVersion(), llvm::invalid_argument, llvm::sys::path::is_relative(), parseRngListTableHeader(), llvm::DWARFUnitHeader::setDWOId(), setRangesSection(), llvm::StringRef::size(), llvm::Error::success(), llvm::dwarf::toSectionOffset(), llvm::dwarf::toString(), llvm::toString(), and llvm::dwarf::toUnsigned().

Referenced by getCompilationDir().

◆ updateAddressDieMap()

void DWARFUnit::updateAddressDieMap ( DWARFDie Die )

Recursively update address to Die map.

Definition at line 602 of file DWARFUnit.cpp.

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

Referenced by getSubroutineForAddress().

Member Data Documentation

◆ LocSection

const DWARFSection* llvm::DWARFUnit::LocSection

Definition at line 205 of file DWARFUnit.h.

◆ LocSectionData

StringRef llvm::DWARFUnit::LocSectionData

Definition at line 206 of file DWARFUnit.h.

Referenced by DWARFUnit().

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()

◆ findRnglistFromIndex()

◆ findRnglistFromOffset()

◆ getAbbreviations()

◆ getAddressByteSize()

◆ getAddrOffsetSectionItem()

◆ getBaseAddress()

◆ getCompilationDir()

◆ getContext()

◆ getDebugInfoExtractor()

◆ getDIEAtIndex()

◆ getDIEForOffset()

◆ getDIEIndex()

◆ getDWARF5HeaderSize()

◆ getDwarfOffsetByteSize()

◆ getDwarfStringOffsetsByteSize()

◆ getDWOId()

◆ getFirstChild()

◆ getFormParams()

◆ getHeader()

◆ getHeaderSize()

◆ getInfoSection()

◆ getInlinedChainForAddress()

◆ getLastChild()

◆ getLength()

◆ getLineSection()

◆ getLineTableOffset()

◆ getLocSection()

◆ getLocSectionData()

◆ getNextUnitOffset()

◆ getNonSkeletonUnitDIE()

◆ getNumDIEs()

◆ getOffset()

◆ getParent()

◆ getPreviousSibling()

◆ getRefAddrByteSize()

◆ getRnglistOffset()

◆ getSibling()

◆ getStringExtractor()

◆ getStringOffsetsBase()

◆ getStringOffsetSection()

◆ getStringOffsetSectionItem()

◆ getStringOffsetsTableContribution()

◆ getStringSection()

◆ getSubroutineForAddress()

◆ getUnitDIE()

◆ getUnitType()

◆ getUnitVector()

◆ getVersion()

◆ isDWOUnit()

◆ isMatchingUnitTypeAndTag()

◆ isTypeUnit()

◆ setAddrOffsetSection()

◆ setDWOId()

◆ setRangesSection()

◆ tryExtractDIEsIfNeeded()

◆ updateAddressDieMap()

Member Data Documentation

◆ LocSection

◆ LocSectionData