LLVM  15.0.0git
Public Member Functions | Static Public Member Functions | Protected Member Functions | List of all members
llvm::DWARFUnit Class Referenceabstract

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

Inheritance diagram for llvm::DWARFUnit:
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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
 
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. More...
 
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)
 
Optional< uint64_t > getAddrOffsetSectionBase () const
 
void updateAddressDieMap (DWARFDie Die)
 Recursively update address to Die map. More...
 
void setRangesSection (const DWARFSection *RS, uint64_t Base)
 
uint64_t getLocSectionBase () const
 
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. More...
 
void clear ()
 
const Optional< StrOffsetsContributionDescriptor > & getStringOffsetsTableContribution () const
 
uint8_t getDwarfStringOffsetsByteSize () const
 
uint64_t getStringOffsetsBase () const
 
uint64_t getAbbreviationsOffset () 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...
 
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. 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)
 

Protected Member Functions

const DWARFUnitHeader & getHeader () const
 
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 205 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 184 of file DWARFUnit.cpp.

References clear().

◆ ~DWARFUnit()

DWARFUnit::~DWARFUnit ( )
virtualdefault

Member Function Documentation

◆ clear()

void DWARFUnit::clear ( )

Definition at line 372 of file DWARFUnit.cpp.

References llvm::None.

Referenced by DWARFUnit().

◆ collectAddressRanges()

Expected< DWARFAddressRangesVector > DWARFUnit::collectAddressRanges ( )

Definition at line 666 of file DWARFUnit.cpp.

References 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 975 of file DWARFUnit.cpp.

References assert(), llvm::M68kBeads::DA, llvm::find(), 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 988 of file DWARFUnit.cpp.

References assert(), llvm::M68kBeads::DA, llvm::DWARFSection::Data, llvm::dwarf::DWARF32, llvm::StringRef::empty(), llvm::DWARFUnitIndex::Entry::getContribution(), llvm::DWARFUnitHeader::getFormat(), llvm::DWARFUnitHeader::getIndexEntry(), getVersion(), llvm::None, parseDWARFStringOffsetsTableHeader(), llvm::StringRef::size(), and llvm::StrOffsetsContributionDescriptor::validateContributionSize().

Referenced by tryExtractDIEsIfNeeded().

◆ dies()

die_iterator_range llvm::DWARFUnit::dies ( )
inline

Definition at line 499 of file DWARFUnit.h.

◆ 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 362 of file DWARFUnit.cpp.

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

Referenced by findRnglistFromOffset().

◆ findLoclistFromOffset()

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

Definition at line 681 of file DWARFUnit.cpp.

References getAddrOffsetSectionItem(), getBaseAddress(), getLocationTable(), llvm::joinErrors(), move, 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 656 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 639 of file DWARFUnit.cpp.

References Context, E, extractRangeList(), llvm::DWARFListTableBase< DWARFListType >::findList(), llvm::DWARFDebugRangeList::getAbsoluteRanges(), llvm::DWARFUnitHeader::getAddressByteSize(), getBaseAddress(), getVersion(), and move.

Referenced by findRnglistFromIndex().

◆ getAbbreviations()

const DWARFAbbreviationDeclarationSet * DWARFUnit::getAbbreviations ( ) const

Definition at line 879 of file DWARFUnit.cpp.

References llvm::DWARFDebugAbbrev::getAbbreviationDeclarationSet(), and getAbbreviationsOffset().

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

◆ getAbbreviationsOffset()

uint64_t llvm::DWARFUnit::getAbbreviationsOffset ( ) const
inline

Definition at line 369 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getAbbrOffset().

Referenced by llvm::DWARFDebugInfoEntry::extractFast(), and getAbbreviations().

◆ getAbbrOffset()

uint64_t llvm::DWARFUnit::getAbbrOffset ( ) const
inline

Definition at line 299 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getAbbrOffset().

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

◆ getAddressByteSize()

uint8_t llvm::DWARFUnit::getAddressByteSize ( ) const
inline

Definition at line 288 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getAddressByteSize().

Referenced by llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), dumpAttribute(), dumpLocationExpr(), extractRangeList(), llvm::DWARFDebugRnglist::getAbsoluteRanges(), getAddrOffsetSectionItem(), getDebugInfoExtractor(), llvm::DWARFContext::getLineTableForUnit(), getRnglistOffset(), llvm::CompileUnit::markEverythingAsKept(), and tryExtractDIEsIfNeeded().

◆ getAddrOffsetSectionBase()

Optional<uint64_t> llvm::DWARFUnit::getAddrOffsetSectionBase ( ) const
inline

Definition at line 318 of file DWARFUnit.h.

◆ getAddrOffsetSectionItem()

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

Definition at line 205 of file DWARFUnit.cpp.

References Context, llvm::M68kBeads::DA, llvm::DWARFSection::Data, getAddressByteSize(), llvm::hasSingleElement(), llvm::None, and llvm::StringRef::size().

Referenced by llvm::DWARFLocationTable::dumpLocationList(), and findLoclistFromOffset().

◆ getBaseAddress()

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

Definition at line 885 of file DWARFUnit.cpp.

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

Referenced by dumpLocationList(), findLoclistFromOffset(), and findRnglistFromOffset().

◆ getCompilationDir()

const char * DWARFUnit::getCompilationDir ( )

Definition at line 383 of file DWARFUnit.cpp.

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

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

◆ getContext()

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

Definition at line 281 of file DWARFUnit.h.

References Context.

Referenced by dumpAttribute(), dumpLocationExpr(), dumpLocationList(), llvm::DWARFDebugInfoEntry::extractFast(), llvm::DWARFFormValue::getAsFile(), llvm::DeclContextTree::getChildDeclContext(), and llvm::DWARFDie::resolveTypeUnitReference().

◆ getDebugInfoExtractor()

DWARFDataExtractor DWARFUnit::getDebugInfoExtractor ( ) const

Definition at line 199 of file DWARFUnit.cpp.

References Context, and getAddressByteSize().

Referenced by llvm::DWARFFormValue::createFromUnit(), llvm::DWARFAbbreviationDeclaration::getAttributeOffsetFromIndex(), and llvm::DWARFAbbreviationDeclaration::getAttributeValueFromOffset().

◆ getDIEAtIndex()

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

Return the DIE object at the given index.

Definition at line 466 of file DWARFUnit.h.

References assert().

Referenced by llvm::inFunctionScope(), and llvm::CompileUnit::markEverythingAsKept().

◆ 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 481 of file DWARFUnit.h.

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

Referenced by llvm::DWARFTypeUnit::dump(), llvm::prettyPrintBaseTypeRef(), 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 461 of file DWARFUnit.h.

References D.

◆ getDwarfOffsetByteSize()

uint8_t llvm::DWARFUnit::getDwarfOffsetByteSize ( ) const
inline

Definition at line 290 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getDwarfOffsetByteSize().

◆ getDwarfStringOffsetsByteSize()

uint8_t llvm::DWARFUnit::getDwarfStringOffsetsByteSize ( ) const
inline

Definition at line 359 of file DWARFUnit.h.

References assert().

Referenced by getStringOffsetSectionItem().

◆ getDWOId()

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

Definition at line 407 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getDWOId(), and getHeader().

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

◆ getFirstChild()

DWARFDie DWARFUnit::getFirstChild ( const DWARFDebugInfoEntry *  Die)

Definition at line 835 of file DWARFUnit.cpp.

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

◆ getFormat()

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

Definition at line 296 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getFormat().

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

◆ getFormParams()

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

Definition at line 284 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getFormParams().

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

◆ getHeader()

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

Definition at line 255 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 294 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getSize().

◆ getInfoSection()

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

Definition at line 282 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 750 of file DWARFUnit.cpp.

References assert(), llvm::DWARFDie::getParent(), getSubroutineForAddress(), llvm::DWARFDie::getTag(), and llvm::DWARFDie::isSubprogramDIE().

◆ getLastChild()

DWARFDie DWARFUnit::getLastChild ( const DWARFDebugInfoEntry *  Die)

Definition at line 848 of file DWARFUnit.cpp.

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

◆ getLength()

uint64_t llvm::DWARFUnit::getLength ( ) const
inline

Definition at line 295 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 301 of file DWARFUnit.h.

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

◆ getLineTableOffset()

uint32_t llvm::DWARFUnit::getLineTableOffset ( ) const
inline

Definition at line 492 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getIndexEntry().

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

◆ getLinkedUnit()

DWARFUnit* llvm::DWARFUnit::getLinkedUnit ( )
inline

Definition at line 311 of file DWARFUnit.h.

◆ getLocationTable()

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

Definition at line 344 of file DWARFUnit.h.

Referenced by dumpLocationList(), and findLoclistFromOffset().

◆ getLoclistOffset()

Optional< uint64_t > DWARFUnit::getLoclistOffset ( uint32_t  Index)

Definition at line 1035 of file DWARFUnit.cpp.

References getFormat(), llvm::DWARFListTableHeader::getOffsetEntry(), and llvm::None.

Referenced by dumpLocationList().

◆ getLocSectionBase()

uint64_t llvm::DWARFUnit::getLocSectionBase ( ) const
inline

Definition at line 330 of file DWARFUnit.h.

◆ getNextUnitOffset()

uint64_t llvm::DWARFUnit::getNextUnitOffset ( ) const
inline

Definition at line 300 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getNextUnitOffset().

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

◆ getNonSkeletonUnitDIE()

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

Definition at line 399 of file DWARFUnit.h.

References getUnitDIE().

◆ getNumDIEs()

unsigned llvm::DWARFUnit::getNumDIEs ( )
inline

Returns the number of DIEs in the unit.

Parses the unit if necessary.

Definition at line 450 of file DWARFUnit.h.

Referenced by llvm::CompileUnit::CompileUnit().

◆ getOffset()

uint64_t llvm::DWARFUnit::getOffset ( ) const
inline

Definition at line 283 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getOffset().

Referenced by llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), llvm::DWARFDebugInfoEntry::extractFast(), llvm::prettyPrintBaseTypeRef(), and llvm::DWARFExpression::Operation::verify().

◆ getParent()

DWARFDie DWARFUnit::getParent ( const DWARFDebugInfoEntry *  Die)

Definition at line 779 of file DWARFUnit.cpp.

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

◆ getPreviousSibling()

DWARFDie DWARFUnit::getPreviousSibling ( const DWARFDebugInfoEntry *  Die)

Definition at line 805 of file DWARFUnit.cpp.

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

◆ getRefAddrByteSize()

uint8_t llvm::DWARFUnit::getRefAddrByteSize ( ) const
inline

Definition at line 289 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getRefAddrByteSize().

◆ getRnglistOffset()

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 1024 of file DWARFUnit.cpp.

References Context, llvm::DWARFSection::Data, getAddressByteSize(), getFormat(), llvm::DWARFListTableHeader::getOffsetEntry(), and llvm::None.

Referenced by dumpAttribute(), and findRnglistFromIndex().

◆ getSibling()

DWARFDie DWARFUnit::getSibling ( const DWARFDebugInfoEntry *  Die)

Definition at line 792 of file DWARFUnit.cpp.

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

◆ getStringExtractor()

DataExtractor llvm::DWARFUnit::getStringExtractor ( ) const
inline

Definition at line 340 of file DWARFUnit.h.

◆ getStringOffsetsBase()

uint64_t llvm::DWARFUnit::getStringOffsetsBase ( ) const
inline

Definition at line 364 of file DWARFUnit.h.

References assert().

Referenced by getStringOffsetSectionItem().

◆ getStringOffsetSection()

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

Definition at line 303 of file DWARFUnit.h.

◆ getStringOffsetSectionItem()

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

Definition at line 228 of file DWARFUnit.cpp.

References Context, llvm::M68kBeads::DA, llvm::DWARFSection::Data, getDwarfStringOffsetsByteSize(), getStringOffsetsBase(), llvm::inconvertibleErrorCode(), and llvm::StringRef::size().

◆ getStringOffsetsTableContribution()

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

Definition at line 355 of file DWARFUnit.h.

◆ getStringSection()

StringRef llvm::DWARFUnit::getStringSection ( ) const
inline

Definition at line 302 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 735 of file DWARFUnit.cpp.

References getUnitDIE(), and updateAddressDieMap().

Referenced by getInlinedChainForAddress().

◆ getUnitDIE()

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

Definition at line 392 of file DWARFUnit.h.

Referenced by buildLineToUnitMap(), collectAddressRanges(), llvm::CompileUnit::CompileUnit(), llvm::gsym::DwarfTransformer::convert(), llvm::CompileUnit::createOutputDIE(), determineStringOffsetsTableContribution(), llvm::DWARFCompileUnit::dump(), llvm::DWARFTypeUnit::dump(), llvm::DwarfStreamer::emitLocationsForUnit(), getBaseAddress(), getCompilationDir(), llvm::CompileUnit::getLanguage(), getLastChild(), llvm::DWARFContext::getLineTableForUnit(), getNonSkeletonUnitDIE(), getSubroutineForAddress(), and llvm::CompileUnit::getSysRoot().

◆ getUnitType()

uint8_t llvm::DWARFUnit::getUnitType ( ) const
inline

Definition at line 297 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getUnitType().

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 446 of file DWARFUnit.h.

◆ getVersion()

uint16_t llvm::DWARFUnit::getVersion ( ) const
inline

Definition at line 287 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::getVersion().

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

◆ isDWOUnit()

bool llvm::DWARFUnit::isDWOUnit ( ) const
inline

Definition at line 280 of file DWARFUnit.h.

Referenced by llvm::gsym::DwarfTransformer::convert().

◆ isMatchingUnitTypeAndTag()

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

Definition at line 373 of file DWARFUnit.h.

References llvm::dwarf::isUnitType().

◆ isTypeUnit()

bool llvm::DWARFUnit::isTypeUnit ( ) const
inline

Definition at line 298 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,
uint64_t  Base 
)
inline

Definition at line 313 of file DWARFUnit.h.

References llvm::sampleprof::Base.

◆ setDWOId()

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

Definition at line 411 of file DWARFUnit.h.

References llvm::DWARFUnitHeader::setDWOId().

◆ setRangesSection()

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

Definition at line 325 of file DWARFUnit.h.

References llvm::sampleprof::Base.

Referenced by tryExtractDIEsIfNeeded().

◆ setSkeletonUnit()

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

Definition at line 307 of file DWARFUnit.h.

◆ tryExtractDIEsIfNeeded()

Error DWARFUnit::tryExtractDIEsIfNeeded ( bool  CUDieOnly)

Definition at line 480 of file DWARFUnit.cpp.

References assert(), Context, llvm::createStringError(), llvm::M68kBeads::DA, llvm::Data, determineStringOffsetsTableContribution(), determineStringOffsetsTableContributionDWO(), llvm::DW_SECT_EXT_LOC, llvm::DWARFDie::find(), getAddressByteSize(), llvm::DWARFUnitHeader::getFormat(), llvm::DWARFListTableHeader::getHeaderSize(), llvm::DWARFUnitHeader::getIndexEntry(), llvm::DWARFUnitHeader::getVersion(), getVersion(), llvm::invalid_argument, llvm::None, llvm::DWARFUnitHeader::setDWOId(), setRangesSection(), llvm::Error::success(), llvm::dwarf::toSectionOffset(), llvm::toString(), and llvm::dwarf::toUnsigned().

◆ updateAddressDieMap()

void DWARFUnit::updateAddressDieMap ( DWARFDie  Die)

Recursively update address to Die map.

Definition at line 704 of file DWARFUnit.cpp.

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

Referenced by getSubroutineForAddress().

The documentation for this class was generated from the following files:
Generated on Sun May 22 2022 08:21:21 for LLVM by   doxygen 1.8.17