DWARFContext This data structure is the top level entity that deals with dwarf debug information parsing. More...

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

Inheritance diagram for llvm::DWARFContext:

Classes
struct	DIEsForAddress
	Wraps the returned DIEs for a given address. More...

Public Types
enum class	ProcessDebugRelocations { Process , Ignore }

using	unit_iterator_range = DWARFUnitVector::iterator_range

using	compile_unit_range = DWARFUnitVector::compile_unit_range

Public Types inherited from llvm::DIContext
enum	DIContextKind { CK_DWARF , CK_PDB }

Public Member Functions
	DWARFContext (std::unique_ptr< const DWARFObject > DObj, std::string DWPName="", std::function< void(Error)> RecoverableErrorHandler=WithColor::defaultErrorHandler, std::function< void(Error)> WarningHandler=WithColor::defaultWarningHandler)

	~DWARFContext () override

	DWARFContext (DWARFContext &)=delete

DWARFContext &	operator= (DWARFContext &)=delete

const DWARFObject &	getDWARFObj () const

void	dump (raw_ostream &OS, DIDumpOptions DumpOpts, std::array< std::optional< uint64_t >, DIDT_ID_Count > DumpOffsets)
	Dump a textual representation to `OS`.

void	dump (raw_ostream &OS, DIDumpOptions DumpOpts) override

bool	verify (raw_ostream &OS, DIDumpOptions DumpOpts={}) override

unit_iterator_range	info_section_units ()
	Get units from .debug_info in this context.

const DWARFUnitVector &	getNormalUnitsVector ()

unit_iterator_range	types_section_units ()
	Get units from .debug_types in this context.

compile_unit_range	compile_units ()
	Get compile units in this context.

unit_iterator_range	normal_units ()
	Get all normal compile/type units in this context.

unit_iterator_range	dwo_info_section_units ()
	Get units from .debug_info..dwo in the DWO context.

const DWARFUnitVector &	getDWOUnitsVector ()

unit_iterator_range	dwo_types_section_units ()
	Get units from .debug_types.dwo in the DWO context.

compile_unit_range	dwo_compile_units ()
	Get compile units in the DWO context.

unit_iterator_range	dwo_units ()
	Get all units in the DWO context.

unsigned	getNumCompileUnits ()
	Get the number of compile units in this context.

unsigned	getNumTypeUnits ()
	Get the number of type units in this context.

unsigned	getNumDWOCompileUnits ()
	Get the number of compile units in the DWO context.

unsigned	getNumDWOTypeUnits ()
	Get the number of type units in the DWO context.

DWARFUnit *	getUnitAtIndex (unsigned index)
	Get the unit at the specified index.

DWARFUnit *	getDWOUnitAtIndex (unsigned index)
	Get the unit at the specified index for the DWO units.

DWARFCompileUnit *	getDWOCompileUnitForHash (uint64_t Hash)

DWARFTypeUnit *	getTypeUnitForHash (uint16_t Version, uint64_t Hash, bool IsDWO)

DWARFCompileUnit *	getCompileUnitForOffset (uint64_t Offset)
	Return the compile unit that includes an offset (relative to .debug_info).

DWARFDie	getDIEForOffset (uint64_t Offset)
	Get a DIE given an exact offset.

unsigned	getMaxVersion ()

unsigned	getMaxDWOVersion ()

void	setMaxVersionIfGreater (unsigned Version)

const DWARFUnitIndex &	getCUIndex ()

DWARFGdbIndex &	getGdbIndex ()

const DWARFUnitIndex &	getTUIndex ()

const DWARFDebugAbbrev *	getDebugAbbrev ()
	Get a pointer to the parsed DebugAbbrev object.

const DWARFDebugLoc *	getDebugLoc ()
	Get a pointer to the parsed DebugLoc object.

const DWARFDebugAbbrev *	getDebugAbbrevDWO ()
	Get a pointer to the parsed dwo abbreviations object.

const DWARFDebugAranges *	getDebugAranges ()
	Get a pointer to the parsed DebugAranges object.

Expected< const DWARFDebugFrame * >	getDebugFrame ()
	Get a pointer to the parsed frame information object.

Expected< const DWARFDebugFrame * >	getEHFrame ()
	Get a pointer to the parsed eh frame information object.

const DWARFDebugMacro *	getDebugMacinfo ()
	Get a pointer to the parsed DebugMacinfo information object.

const DWARFDebugMacro *	getDebugMacinfoDWO ()
	Get a pointer to the parsed DebugMacinfoDWO information object.

const DWARFDebugMacro *	getDebugMacro ()
	Get a pointer to the parsed DebugMacro information object.

const DWARFDebugMacro *	getDebugMacroDWO ()
	Get a pointer to the parsed DebugMacroDWO information object.

const DWARFDebugNames &	getDebugNames ()
	Get a reference to the parsed accelerator table object.

const AppleAcceleratorTable &	getAppleNames ()
	Get a reference to the parsed accelerator table object.

const AppleAcceleratorTable &	getAppleTypes ()
	Get a reference to the parsed accelerator table object.

const AppleAcceleratorTable &	getAppleNamespaces ()
	Get a reference to the parsed accelerator table object.

const AppleAcceleratorTable &	getAppleObjC ()
	Get a reference to the parsed accelerator table object.

const DWARFDebugLine::LineTable *	getLineTableForUnit (DWARFUnit *U)
	Get a pointer to a parsed line table corresponding to a compile unit.

Expected< const DWARFDebugLine::LineTable * >	getLineTableForUnit (DWARFUnit *U, function_ref< void(Error)> RecoverableErrorHandler)
	Get a pointer to a parsed line table corresponding to a compile unit.

void	clearLineTableForUnit (DWARFUnit *U)

DataExtractor	getStringExtractor () const

DataExtractor	getStringDWOExtractor () const

DataExtractor	getLineStringExtractor () const

DIEsForAddress	getDIEsForAddress (uint64_t Address)
	Get the compilation unit, the function DIE and lexical block DIE for the given address where applicable.

DILineInfo	getLineInfoForAddress (object::SectionedAddress Address, DILineInfoSpecifier Specifier=DILineInfoSpecifier()) override

DILineInfo	getLineInfoForDataAddress (object::SectionedAddress Address) override

DILineInfoTable	getLineInfoForAddressRange (object::SectionedAddress Address, uint64_t Size, DILineInfoSpecifier Specifier=DILineInfoSpecifier()) override

DIInliningInfo	getInliningInfoForAddress (object::SectionedAddress Address, DILineInfoSpecifier Specifier=DILineInfoSpecifier()) override

std::vector< DILocal >	getLocalsForAddress (object::SectionedAddress Address) override

bool	isLittleEndian () const

std::shared_ptr< DWARFContext >	getDWOContext (StringRef AbsolutePath)

function_ref< void(Error)>	getRecoverableErrorHandler ()

function_ref< void(Error)>	getWarningHandler ()

uint8_t	getCUAddrSize ()
	Get address size from CUs.

Triple::ArchType	getArch () const

DWARFCompileUnit *	getCompileUnitForCodeAddress (uint64_t Address)
	Return the compile unit which contains instruction with provided address.

DWARFCompileUnit *	getCompileUnitForDataAddress (uint64_t Address)
	Return the compile unit which contains data with the provided address.

bool	getParseCUTUIndexManually () const
	Returns whether CU/TU should be populated manually.

void	setParseCUTUIndexManually (bool PCUTU)
	Sets whether CU/TU should be populated manually.

Public Member Functions inherited from llvm::DIContext
	DIContext (DIContextKind K)

virtual	~DIContext ()=default

DIContextKind	getKind () const

virtual void	dump (raw_ostream &OS, DIDumpOptions DumpOpts)=0

virtual bool	verify (raw_ostream &OS, DIDumpOptions DumpOpts={})

virtual DILineInfo	getLineInfoForAddress (object::SectionedAddress Address, DILineInfoSpecifier Specifier=DILineInfoSpecifier())=0

virtual DILineInfo	getLineInfoForDataAddress (object::SectionedAddress Address)=0

virtual DILineInfoTable	getLineInfoForAddressRange (object::SectionedAddress Address, uint64_t Size, DILineInfoSpecifier Specifier=DILineInfoSpecifier())=0

virtual DIInliningInfo	getInliningInfoForAddress (object::SectionedAddress Address, DILineInfoSpecifier Specifier=DILineInfoSpecifier())=0

virtual std::vector< DILocal >	getLocalsForAddress (object::SectionedAddress Address)=0

Static Public Member Functions
static bool	classof (const DIContext *DICtx)

static unsigned	getMaxSupportedVersion ()

static bool	isSupportedVersion (unsigned version)

static SmallVector< uint8_t, 3 >	getSupportedAddressSizes ()

static bool	isAddressSizeSupported (unsigned AddressSize)

template<typename... Ts>
static Error	checkAddressSizeSupported (unsigned AddressSize, std::error_code EC, char const *Fmt, const Ts &...Vals)

static std::unique_ptr< DWARFContext >	create (const object::ObjectFile &Obj, ProcessDebugRelocations RelocAction=ProcessDebugRelocations::Process, const LoadedObjectInfo *L=nullptr, std::string DWPName="", std::function< void(Error)> RecoverableErrorHandler=WithColor::defaultErrorHandler, std::function< void(Error)> WarningHandler=WithColor::defaultWarningHandler)

static std::unique_ptr< DWARFContext >	create (const StringMap< std::unique_ptr< MemoryBuffer > > &Sections, uint8_t AddrSize, bool isLittleEndian=sys::IsLittleEndianHost, std::function< void(Error)> RecoverableErrorHandler=WithColor::defaultErrorHandler, std::function< void(Error)> WarningHandler=WithColor::defaultWarningHandler)

Detailed Description

DWARFContext This data structure is the top level entity that deals with dwarf debug information parsing.

The actual data is supplied through DWARFObj.

Definition at line 46 of file DWARFContext.h.

Member Typedef Documentation

◆ compile_unit_range

using llvm::DWARFContext::compile_unit_range = DWARFUnitVector::compile_unit_range

Definition at line 145 of file DWARFContext.h.

◆ unit_iterator_range

using llvm::DWARFContext::unit_iterator_range = DWARFUnitVector::iterator_range

Definition at line 144 of file DWARFContext.h.

Member Enumeration Documentation

◆ ProcessDebugRelocations

enum class llvm::DWARFContext::ProcessDebugRelocations

strong

Enumerator
Process
Ignore

Definition at line 417 of file DWARFContext.h.

Constructor & Destructor Documentation

◆ DWARFContext() [1/2]

DWARFContext::DWARFContext	(	std::unique_ptr< const DWARFObject >	DObj,
		std::string	DWPName = `""`,
		std::function< void(Error)>	RecoverableErrorHandler = `WithColor::defaultErrorHandler`,
		std::function< void(Error)>	WarningHandler = `WithColor::defaultWarningHandler`
	)

Definition at line 73 of file DWARFContext.cpp.

◆ ~DWARFContext()

DWARFContext::~DWARFContext ( )

overridedefault

◆ DWARFContext() [2/2]

llvm::DWARFContext::DWARFContext ( DWARFContext & )

delete

Member Function Documentation

◆ checkAddressSizeSupported()

template<typename... Ts>

static Error llvm::DWARFContext::checkAddressSizeSupported	(	unsigned	AddressSize,
		std::error_code	EC,
		char const *	Fmt,
		const Ts &...	Vals
	)

inlinestatic

Definition at line 392 of file DWARFContext.h.

References llvm::format(), getSupportedAddressSizes(), isAddressSizeSupported(), Size, llvm::raw_string_ostream::str(), and llvm::Error::success().

Referenced by llvm::DWARFDebugRangeList::extract(), llvm::DWARFUnitHeader::extract(), llvm::DWARFDebugArangeSet::extract(), and llvm::DWARFListTableHeader::extract().

◆ classof()

static bool llvm::DWARFContext::classof ( const DIContext * DICtx )

inlinestatic

Definition at line 128 of file DWARFContext.h.

References llvm::DIContext::CK_DWARF, and llvm::DIContext::getKind().

◆ clearLineTableForUnit()

void DWARFContext::clearLineTableForUnit ( DWARFUnit * U )

Definition at line 1124 of file DWARFContext.cpp.

References llvm::Offset, and llvm::dwarf::toSectionOffset().

◆ compile_units()

compile_unit_range llvm::DWARFContext::compile_units ( )

inline

Get compile units in this context.

Definition at line 168 of file DWARFContext.h.

References info_section_units(), llvm::isCompileUnit(), and llvm::make_filter_range().

Referenced by llvm::gsym::DwarfTransformer::convert(), dump(), llvm::DWARFDebugAranges::generate(), getCompileUnitForDataAddress(), and getCUAddrSize().

◆ create() [1/2]

std::unique_ptr< DWARFContext > DWARFContext::create	(	const object::ObjectFile &	Obj,
		ProcessDebugRelocations	RelocAction = `ProcessDebugRelocations::Process`,
		const LoadedObjectInfo *	L = `nullptr`,
		std::string	DWPName = `""`,
		std::function< void(Error)>	RecoverableErrorHandler = `WithColor::defaultErrorHandler`,
		std::function< void(Error)>	WarningHandler = `WithColor::defaultWarningHandler`
	)

static

Definition at line 2119 of file DWARFContext.cpp.

Referenced by llvm::logicalview::LVELFReader::createScopes(), llvm::InstrProfCorrelatorImpl< IntPtrT >::get(), and getDWOContext().

◆ create() [2/2]

std::unique_ptr< DWARFContext > DWARFContext::create	(	const StringMap< std::unique_ptr< MemoryBuffer > > &	Sections,
		uint8_t	AddrSize,
		bool	isLittleEndian = `sys::IsLittleEndianHost`,
		std::function< void(Error)>	RecoverableErrorHandler = `WithColor::defaultErrorHandler`,
		std::function< void(Error)>	WarningHandler = `WithColor::defaultWarningHandler`
	)

static

Definition at line 2132 of file DWARFContext.cpp.

References isLittleEndian().

◆ dump() [1/2]

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

inlineoverridevirtual

Implements llvm::DIContext.

Definition at line 137 of file DWARFContext.h.

References llvm::DIDT_ID_Count, dump(), and OS.

◆ dump() [2/2]

void DWARFContext::dump	(	raw_ostream &	OS,
		DIDumpOptions	DumpOpts,
		std::array< std::optional< uint64_t >, DIDT_ID_Count >	DumpOffsets
	)

Dump a textual representation to OS.

If any DumpOffsets are present, dump only the record at the specified offset.

Definition at line 350 of file DWARFContext.cpp.

Referenced by dump().

◆ dwo_compile_units()

compile_unit_range llvm::DWARFContext::dwo_compile_units ( )

inline

Get compile units in the DWO context.

Definition at line 201 of file DWARFContext.h.

References dwo_info_section_units(), llvm::isCompileUnit(), and llvm::make_filter_range().

Referenced by getDWOCompileUnitForHash().

◆ dwo_info_section_units()

unit_iterator_range llvm::DWARFContext::dwo_info_section_units ( )

inline

Get units from .debug_info..dwo in the DWO context.

Definition at line 182 of file DWARFContext.h.

References llvm::SmallVectorTemplateCommon< T, typename >::begin(), and llvm::DWARFUnitVector::getNumInfoUnits().

Referenced by dump(), dwo_compile_units(), and getMaxDWOVersion().

◆ dwo_types_section_units()

unit_iterator_range llvm::DWARFContext::dwo_types_section_units ( )

inline

Get units from .debug_types.dwo in the DWO context.

Definition at line 194 of file DWARFContext.h.

References llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::SmallVectorTemplateCommon< T, typename >::end(), and llvm::DWARFUnitVector::getNumInfoUnits().

Referenced by dump().

◆ dwo_units()

unit_iterator_range llvm::DWARFContext::dwo_units ( )

inline

Get all units in the DWO context.

Definition at line 210 of file DWARFContext.h.

References llvm::SmallVectorTemplateCommon< T, typename >::begin(), and llvm::SmallVectorTemplateCommon< T, typename >::end().

Referenced by dump(), and getTypeUnitForHash().

◆ getAppleNames()

const AppleAcceleratorTable & DWARFContext::getAppleNames ( )

Get a reference to the parsed accelerator table object.

Definition at line 1063 of file DWARFContext.cpp.

References getAccelTable(), and isLittleEndian().

Referenced by dump().

◆ getAppleNamespaces()

const AppleAcceleratorTable & DWARFContext::getAppleNamespaces ( )

Get a reference to the parsed accelerator table object.

Definition at line 1073 of file DWARFContext.cpp.

References getAccelTable(), and isLittleEndian().

Referenced by dump().

◆ getAppleObjC()

const AppleAcceleratorTable & DWARFContext::getAppleObjC ( )

Get a reference to the parsed accelerator table object.

Definition at line 1079 of file DWARFContext.cpp.

References getAccelTable(), and isLittleEndian().

Referenced by dump().

◆ getAppleTypes()

const AppleAcceleratorTable & DWARFContext::getAppleTypes ( )

Get a reference to the parsed accelerator table object.

Definition at line 1068 of file DWARFContext.cpp.

References getAccelTable(), and isLittleEndian().

Referenced by dump().

◆ getArch()

Triple::ArchType llvm::DWARFContext::getArch ( ) const

inline

Definition at line 440 of file DWARFContext.h.

References llvm::object::ObjectFile::getArch(), getDWARFObj(), and llvm::DWARFObject::getFile().

Referenced by getDebugFrame(), and getEHFrame().

◆ getCompileUnitForCodeAddress()

DWARFCompileUnit * DWARFContext::getCompileUnitForCodeAddress ( uint64_t Address )

Return the compile unit which contains instruction with provided address.

TODO: change input parameter from "uint64_t Address" into "SectionedAddress Address"

Definition at line 1170 of file DWARFContext.cpp.

References llvm::Address, llvm::DWARFDebugAranges::findAddress(), getCompileUnitForOffset(), and getDebugAranges().

Referenced by getDIEsForAddress(), getInliningInfoForAddress(), getLineInfoForAddress(), getLineInfoForAddressRange(), and getLocalsForAddress().

◆ getCompileUnitForDataAddress()

DWARFCompileUnit * DWARFContext::getCompileUnitForDataAddress ( uint64_t Address )

Return the compile unit which contains data with the provided address.

Note: This is more expensive than getCompileUnitForAddress, as if Address isn't found in the CU ranges (which is cheap), then it falls back to an expensive O(n) walk of all CU's looking for data that spans the address. TODO: change input parameter from "uint64_t Address" into "SectionedAddress Address"

Definition at line 1175 of file DWARFContext.cpp.

References llvm::Address, compile_units(), llvm::DWARFDebugAranges::findAddress(), getCompileUnitForOffset(), and getDebugAranges().

Referenced by getLineInfoForDataAddress().

◆ getCompileUnitForOffset()

DWARFCompileUnit * DWARFContext::getCompileUnitForOffset ( uint64_t Offset )

Return the compile unit that includes an offset (relative to .debug_info).

Definition at line 1164 of file DWARFContext.cpp.

References llvm::DWARFUnitVector::getUnitForOffset(), and llvm::Offset.

Referenced by getCompileUnitForCodeAddress(), and getCompileUnitForDataAddress().

◆ getCUAddrSize()

uint8_t DWARFContext::getCUAddrSize ( )

Get address size from CUs.

TODO: refactor compile_units() to make this const.

Definition at line 2142 of file DWARFContext.cpp.

References compile_units().

Referenced by dump().

◆ getCUIndex()

const DWARFUnitIndex & DWARFContext::getCUIndex ( )

Definition at line 898 of file DWARFContext.cpp.

References fixupIndex(), and isLittleEndian().

Referenced by dump(), and getDWOCompileUnitForHash().

◆ getDebugAbbrev()

const DWARFDebugAbbrev * DWARFContext::getDebugAbbrev ( )

Get a pointer to the parsed DebugAbbrev object.

Definition at line 934 of file DWARFContext.cpp.

References isLittleEndian().

Referenced by dump(), and llvm::DWARFVerifier::handleDebugAbbrev().

◆ getDebugAbbrevDWO()

const DWARFDebugAbbrev * DWARFContext::getDebugAbbrevDWO ( )

Get a pointer to the parsed dwo abbreviations object.

Definition at line 945 of file DWARFContext.cpp.

References isLittleEndian().

Referenced by dump(), and llvm::DWARFVerifier::handleDebugAbbrev().

◆ getDebugAranges()

const DWARFDebugAranges * DWARFContext::getDebugAranges ( )

Get a pointer to the parsed DebugAranges object.

Definition at line 969 of file DWARFContext.cpp.

Referenced by getCompileUnitForCodeAddress(), and getCompileUnitForDataAddress().

◆ getDebugFrame()

Expected< const DWARFDebugFrame * > DWARFContext::getDebugFrame ( )

Get a pointer to the parsed frame information object.

Definition at line 978 of file DWARFContext.cpp.

References DF, E, getArch(), and isLittleEndian().

Referenced by dump().

◆ getDebugLoc()

const DWARFDebugLoc * DWARFContext::getDebugLoc ( )

Get a pointer to the parsed DebugLoc object.

Definition at line 955 of file DWARFContext.cpp.

References getNumCompileUnits(), getUnitAtIndex(), and isLittleEndian().

Referenced by dump().

◆ getDebugMacinfo()

const DWARFDebugMacro * DWARFContext::getDebugMacinfo ( )

Get a pointer to the parsed DebugMacinfo information object.

Definition at line 1032 of file DWARFContext.cpp.

Referenced by dump().

◆ getDebugMacinfoDWO()

const DWARFDebugMacro * DWARFContext::getDebugMacinfoDWO ( )

Get a pointer to the parsed DebugMacinfoDWO information object.

Definition at line 1038 of file DWARFContext.cpp.

Referenced by dump().

◆ getDebugMacro()

const DWARFDebugMacro * DWARFContext::getDebugMacro ( )

Get a pointer to the parsed DebugMacro information object.

Definition at line 1020 of file DWARFContext.cpp.

Referenced by dump().

◆ getDebugMacroDWO()

const DWARFDebugMacro * DWARFContext::getDebugMacroDWO ( )

Get a pointer to the parsed DebugMacroDWO information object.

Definition at line 1026 of file DWARFContext.cpp.

Referenced by dump().

◆ getDebugNames()

const DWARFDebugNames & DWARFContext::getDebugNames ( )

Get a reference to the parsed accelerator table object.

Definition at line 1058 of file DWARFContext.cpp.

References getAccelTable(), and isLittleEndian().

Referenced by dump().

◆ getDIEForOffset()

DWARFDie DWARFContext::getDIEForOffset ( uint64_t Offset )

Get a DIE given an exact offset.

Definition at line 759 of file DWARFContext.cpp.

References llvm::DWARFUnitVector::getUnitForOffset(), and llvm::Offset.

◆ getDIEsForAddress()

DWARFContext::DIEsForAddress DWARFContext::getDIEsForAddress ( uint64_t Address )

Get the compilation unit, the function DIE and lexical block DIE for the given address where applicable.

TODO: change input parameter from "uint64_t Address" into "SectionedAddress Address"

Definition at line 1198 of file DWARFContext.cpp.

References llvm::Address, llvm::append_range(), getCompileUnitForCodeAddress(), and llvm::DIE::getTag().

◆ getDWARFObj()

const DWARFObject & llvm::DWARFContext::getDWARFObj ( ) const

inline

Definition at line 126 of file DWARFContext.h.

Referenced by dumpAttribute(), dumpLocationList(), llvm::DWARFFormValue::dumpSectionedAddress(), llvm::DWARFVerifier::DWARFVerifier(), llvm::DWARFDebugAranges::generate(), getArch(), llvm::DWARFVerifier::handleAccelTables(), llvm::DWARFVerifier::handleDebugAbbrev(), llvm::DWARFVerifier::handleDebugCUIndex(), llvm::DWARFVerifier::handleDebugInfo(), and llvm::DWARFVerifier::handleDebugTUIndex().

◆ getDWOCompileUnitForHash()

DWARFCompileUnit * DWARFContext::getDWOCompileUnitForHash ( uint64_t Hash )

Definition at line 729 of file DWARFContext.cpp.

References dwo_compile_units(), getCUIndex(), llvm::DWARFUnitVector::getUnitForIndexEntry(), and llvm::dwarf::toUnsigned().

◆ getDWOContext()

std::shared_ptr< DWARFContext > DWARFContext::getDWOContext ( StringRef AbsolutePath )

Definition at line 1522 of file DWARFContext.cpp.

References llvm::consumeError(), create(), llvm::object::ObjectFile::createObjectFile(), llvm::SmallVectorBase< Size_T >::empty(), llvm::Expected< T >::get(), Ignore, and llvm::Expected< T >::takeError().

◆ getDWOUnitAtIndex()

DWARFUnit * llvm::DWARFContext::getDWOUnitAtIndex ( unsigned index )

inline

Get the unit at the specified index for the DWO units.

Definition at line 246 of file DWARFContext.h.

◆ getDWOUnitsVector()

const DWARFUnitVector & llvm::DWARFContext::getDWOUnitsVector ( )

inline

Definition at line 188 of file DWARFContext.h.

Referenced by llvm::DWARFVerifier::handleDebugInfo().

◆ getEHFrame()

Expected< const DWARFDebugFrame * > DWARFContext::getEHFrame ( )

Get a pointer to the parsed eh frame information object.

Definition at line 1004 of file DWARFContext.cpp.

References DF, E, getArch(), and isLittleEndian().

Referenced by dump().

◆ getGdbIndex()

DWARFGdbIndex & DWARFContext::getGdbIndex ( )

Definition at line 924 of file DWARFContext.cpp.

Referenced by dump().

◆ getInliningInfoForAddress()

DIInliningInfo DWARFContext::getInliningInfoForAddress	(	object::SectionedAddress	Address,
		DILineInfoSpecifier	Specifier = `DILineInfoSpecifier()`
	)

overridevirtual

Implements llvm::DIContext.

Definition at line 1453 of file DWARFContext.cpp.

References llvm::DIInliningInfo::addFrame(), llvm::Address, llvm::DILineInfo::Column, llvm::DILineInfo::Discriminator, llvm::DILineInfo::FileName, llvm::DWARFDie::find(), llvm::DILineInfo::FunctionName, llvm::DWARFDie::getCallerFrame(), getCompileUnitForCodeAddress(), llvm::DWARFDie::getDeclFile(), llvm::DWARFDie::getDeclLine(), llvm::DWARFDebugLine::LineTable::getFileLineInfoForAddress(), llvm::DWARFDebugLine::LineTable::getFileNameByIndex(), getLineTableForUnit(), llvm::DWARFDie::getSubroutineName(), llvm::DILineInfo::Line, Name, llvm::SmallVectorBase< Size_T >::size(), llvm::DILineInfo::StartAddress, llvm::DILineInfo::StartFileName, llvm::DILineInfo::StartLine, and llvm::dwarf::toSectionedAddress().

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

◆ getLineInfoForAddress()

DILineInfo DWARFContext::getLineInfoForAddress	(	object::SectionedAddress	Address,
		DILineInfoSpecifier	Specifier = `DILineInfoSpecifier()`
	)

overridevirtual

Implements llvm::DIContext.

Definition at line 1362 of file DWARFContext.cpp.

References llvm::Address, getCompileUnitForCodeAddress(), getFunctionNameAndStartLineForAddress(), and getLineTableForUnit().

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

◆ getLineInfoForAddressRange()

DILineInfoTable DWARFContext::getLineInfoForAddressRange	(	object::SectionedAddress	Address,
		uint64_t	Size,
		DILineInfoSpecifier	Specifier = `DILineInfoSpecifier()`
	)

overridevirtual

Implements llvm::DIContext.

Definition at line 1398 of file DWARFContext.cpp.

References llvm::Address, llvm::DILineInfo::BadString, getCompileUnitForCodeAddress(), llvm::DWARFDebugLine::LineTable::getFileNameByIndex(), getFunctionNameAndStartLineForAddress(), getLineTableForUnit(), llvm::DWARFDebugLine::LineTable::lookupAddressRange(), llvm::DWARFDebugLine::LineTable::Rows, and Size.

◆ getLineInfoForDataAddress()

DILineInfo DWARFContext::getLineInfoForDataAddress ( object::SectionedAddress Address )

overridevirtual

Implements llvm::DIContext.

Definition at line 1384 of file DWARFContext.cpp.

References llvm::Address, getCompileUnitForDataAddress(), llvm::DWARFDie::getDeclFile(), and llvm::DWARFDie::getDeclLine().

◆ getLineStringExtractor()

DataExtractor llvm::DWARFContext::getLineStringExtractor ( ) const

inline

Definition at line 346 of file DWARFContext.h.

Referenced by llvm::DWARFFormValue::getAsCString().

◆ getLineTableForUnit() [1/2]

const DWARFDebugLine::LineTable * DWARFContext::getLineTableForUnit ( DWARFUnit * U )

Get a pointer to a parsed line table corresponding to a compile unit.

Report any parsing issues as warnings on stderr.

Definition at line 1085 of file DWARFContext.cpp.

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

Referenced by llvm::gsym::CUInfo::CUInfo(), llvm::DWARFFormValue::getAsFile(), getInliningInfoForAddress(), getLineInfoForAddress(), getLineInfoForAddressRange(), and getLineTableForUnit().

◆ getLineTableForUnit() [2/2]

Expected< const DWARFDebugLine::LineTable * > DWARFContext::getLineTableForUnit	(	DWARFUnit *	U,
		function_ref< void(Error)>	RecoverableErrorHandler
	)

Get a pointer to a parsed line table corresponding to a compile unit.

Report any recoverable parsing problems using the handler.

Definition at line 1095 of file DWARFContext.cpp.

References isLittleEndian(), llvm::Offset, and llvm::dwarf::toSectionOffset().

◆ getLocalsForAddress()

std::vector< DILocal > DWARFContext::getLocalsForAddress ( object::SectionedAddress Address )

overridevirtual

Implements llvm::DIContext.

Definition at line 1350 of file DWARFContext.cpp.

References llvm::Address, getCompileUnitForCodeAddress(), and llvm::DWARFDie::isValid().

◆ getMaxDWOVersion()

unsigned llvm::DWARFContext::getMaxDWOVersion ( )

inline

Definition at line 266 of file DWARFContext.h.

References dwo_info_section_units().

◆ getMaxSupportedVersion()

static unsigned llvm::DWARFContext::getMaxSupportedVersion ( )

inlinestatic

Definition at line 380 of file DWARFContext.h.

Referenced by llvm::DWARFUnitHeader::extract(), and isSupportedVersion().

◆ getMaxVersion()

unsigned llvm::DWARFContext::getMaxVersion ( )

inline

Definition at line 260 of file DWARFContext.h.

References info_section_units().

Referenced by dump().

◆ getNormalUnitsVector()

const DWARFUnitVector & llvm::DWARFContext::getNormalUnitsVector ( )

inline

Definition at line 155 of file DWARFContext.h.

Referenced by llvm::DWARFVerifier::handleDebugInfo().

◆ getNumCompileUnits()

unsigned llvm::DWARFContext::getNumCompileUnits ( )

inline

Get the number of compile units in this context.

Definition at line 216 of file DWARFContext.h.

References llvm::DWARFUnitVector::getNumInfoUnits().

Referenced by dump(), and getDebugLoc().

◆ getNumDWOCompileUnits()

unsigned llvm::DWARFContext::getNumDWOCompileUnits ( )

inline

Get the number of compile units in the DWO context.

Definition at line 228 of file DWARFContext.h.

References llvm::DWARFUnitVector::getNumInfoUnits().

Referenced by dump().

◆ getNumDWOTypeUnits()

unsigned llvm::DWARFContext::getNumDWOTypeUnits ( )

inline

Get the number of type units in the DWO context.

Definition at line 234 of file DWARFContext.h.

References llvm::DWARFUnitVector::getNumTypesUnits().

Referenced by dump().

◆ getNumTypeUnits()

unsigned llvm::DWARFContext::getNumTypeUnits ( )

inline

Get the number of type units in this context.

Definition at line 222 of file DWARFContext.h.

References llvm::DWARFUnitVector::getNumTypesUnits().

Referenced by dump().

◆ getParseCUTUIndexManually()

bool llvm::DWARFContext::getParseCUTUIndexManually ( ) const

inline

Returns whether CU/TU should be populated manually.

TU Index populated manually only for DWARF5.

Definition at line 461 of file DWARFContext.h.

◆ getRecoverableErrorHandler()

function_ref< void(Error)> llvm::DWARFContext::getRecoverableErrorHandler ( )

inline

Definition at line 411 of file DWARFContext.h.

Referenced by llvm::DWARFDebugAranges::generate().

◆ getStringDWOExtractor()

DataExtractor llvm::DWARFContext::getStringDWOExtractor ( ) const

inline

Definition at line 343 of file DWARFContext.h.

◆ getStringExtractor()

DataExtractor llvm::DWARFContext::getStringExtractor ( ) const

inline

Definition at line 340 of file DWARFContext.h.

Referenced by llvm::DWARFFormValue::getAsCString().

◆ getSupportedAddressSizes()

static SmallVector< uint8_t, 3 > llvm::DWARFContext::getSupportedAddressSizes ( )

inlinestatic

Definition at line 385 of file DWARFContext.h.

Referenced by checkAddressSizeSupported(), and isAddressSizeSupported().

◆ getTUIndex()

const DWARFUnitIndex & DWARFContext::getTUIndex ( )

Definition at line 910 of file DWARFContext.cpp.

References llvm::DW_SECT_EXT_TYPES, fixupIndex(), and isLittleEndian().

Referenced by dump(), and getTypeUnitForHash().

◆ getTypeUnitForHash()

DWARFTypeUnit * DWARFContext::getTypeUnitForHash	(	uint16_t	Version,
		uint64_t	Hash,
		bool	IsDWO
	)

Definition at line 701 of file DWARFContext.cpp.

References dwo_units(), getTUIndex(), llvm::DWARFUnitVector::getUnitForIndexEntry(), and normal_units().

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

◆ getUnitAtIndex()

DWARFUnit * llvm::DWARFContext::getUnitAtIndex ( unsigned index )

inline

Get the unit at the specified index.

Definition at line 240 of file DWARFContext.h.

Referenced by getDebugLoc().

◆ getWarningHandler()

function_ref< void(Error)> llvm::DWARFContext::getWarningHandler ( )

inline

Definition at line 415 of file DWARFContext.h.

Referenced by llvm::DWARFDebugAranges::generate().

◆ info_section_units()

unit_iterator_range llvm::DWARFContext::info_section_units ( )

inline

Get units from .debug_info in this context.

Definition at line 148 of file DWARFContext.h.

References llvm::SmallVectorTemplateCommon< T, typename >::begin(), and llvm::DWARFUnitVector::getNumInfoUnits().

Referenced by compile_units(), dump(), and getMaxVersion().

◆ isAddressSizeSupported()

static bool llvm::DWARFContext::isAddressSizeSupported ( unsigned AddressSize )

inlinestatic

Definition at line 388 of file DWARFContext.h.

References getSupportedAddressSizes(), and llvm::is_contained().

Referenced by checkAddressSizeSupported(), and llvm::DWARFDebugRangeList::RangeListEntry::isBaseAddressSelectionEntry().

◆ isLittleEndian()

bool llvm::DWARFContext::isLittleEndian ( ) const

inline

Definition at line 379 of file DWARFContext.h.

Referenced by create(), dump(), dumpLocationExpr(), llvm::DWARFDebugAranges::generate(), getAppleNames(), getAppleNamespaces(), getAppleObjC(), getAppleTypes(), getCUIndex(), getDebugAbbrev(), getDebugAbbrevDWO(), getDebugFrame(), getDebugLoc(), getDebugNames(), getEHFrame(), getLineTableForUnit(), getTUIndex(), llvm::DWARFVerifier::handleAccelTables(), and isVariableIndexable().

◆ isSupportedVersion()

static bool llvm::DWARFContext::isSupportedVersion ( unsigned version )

inlinestatic

Definition at line 381 of file DWARFContext.h.

References getMaxSupportedVersion().

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

◆ normal_units()

unit_iterator_range llvm::DWARFContext::normal_units ( )

inline

Get all normal compile/type units in this context.

Definition at line 176 of file DWARFContext.h.

References llvm::SmallVectorTemplateCommon< T, typename >::begin(), and llvm::SmallVectorTemplateCommon< T, typename >::end().

Referenced by dump(), and getTypeUnitForHash().

◆ operator=()

DWARFContext & llvm::DWARFContext::operator= ( DWARFContext & )

delete

◆ setMaxVersionIfGreater()

void llvm::DWARFContext::setMaxVersionIfGreater ( unsigned Version )

inline

Definition at line 272 of file DWARFContext.h.

◆ setParseCUTUIndexManually()

void llvm::DWARFContext::setParseCUTUIndexManually ( bool PCUTU )

inline

Sets whether CU/TU should be populated manually.

TU Index populated manually only for DWARF5.

Definition at line 465 of file DWARFContext.h.

◆ types_section_units()

unit_iterator_range llvm::DWARFContext::types_section_units ( )

inline

Get units from .debug_types in this context.

Definition at line 161 of file DWARFContext.h.

References llvm::SmallVectorTemplateCommon< T, typename >::begin(), llvm::SmallVectorTemplateCommon< T, typename >::end(), and llvm::DWARFUnitVector::getNumInfoUnits().

Referenced by dump().

◆ verify()

bool DWARFContext::verify	(	raw_ostream &	OS,
		DIDumpOptions	DumpOpts = `{}`
	)

overridevirtual

Reimplemented from llvm::DIContext.

Definition at line 766 of file DWARFContext.cpp.

References llvm::DIDumpOptions::DumpType, llvm::DWARFVerifier::handleAccelTables(), llvm::DWARFVerifier::handleDebugAbbrev(), llvm::DWARFVerifier::handleDebugCUIndex(), llvm::DWARFVerifier::handleDebugInfo(), llvm::DWARFVerifier::handleDebugLine(), llvm::DWARFVerifier::handleDebugTUIndex(), OS, and Success.

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

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

Classes

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description

Member Typedef Documentation

◆ compile_unit_range

◆ unit_iterator_range

Member Enumeration Documentation

◆ ProcessDebugRelocations

Constructor & Destructor Documentation

◆ DWARFContext() [1/2]

◆ ~DWARFContext()

◆ DWARFContext() [2/2]

Member Function Documentation

◆ checkAddressSizeSupported()

◆ classof()

◆ clearLineTableForUnit()

◆ compile_units()

◆ create() [1/2]

◆ create() [2/2]

◆ dump() [1/2]

◆ dump() [2/2]

◆ dwo_compile_units()

◆ dwo_info_section_units()

◆ dwo_types_section_units()

◆ dwo_units()

◆ getAppleNames()

◆ getAppleNamespaces()

◆ getAppleObjC()

◆ getAppleTypes()

◆ getArch()

◆ getCompileUnitForCodeAddress()

◆ getCompileUnitForDataAddress()

◆ getCompileUnitForOffset()

◆ getCUAddrSize()

◆ getCUIndex()

◆ getDebugAbbrev()

◆ getDebugAbbrevDWO()

◆ getDebugAranges()

◆ getDebugFrame()

◆ getDebugLoc()

◆ getDebugMacinfo()

◆ getDebugMacinfoDWO()

◆ getDebugMacro()

◆ getDebugMacroDWO()

◆ getDebugNames()

◆ getDIEForOffset()

◆ getDIEsForAddress()

◆ getDWARFObj()

◆ getDWOCompileUnitForHash()

◆ getDWOContext()

◆ getDWOUnitAtIndex()

◆ getDWOUnitsVector()

◆ getEHFrame()

◆ getGdbIndex()

◆ getInliningInfoForAddress()

◆ getLineInfoForAddress()

◆ getLineInfoForAddressRange()

◆ getLineInfoForDataAddress()

◆ getLineStringExtractor()

◆ getLineTableForUnit() [1/2]

◆ getLineTableForUnit() [2/2]

◆ getLocalsForAddress()

◆ getMaxDWOVersion()

◆ getMaxSupportedVersion()

◆ getMaxVersion()

◆ getNormalUnitsVector()

◆ getNumCompileUnits()

◆ getNumDWOCompileUnits()

◆ getNumDWOTypeUnits()

◆ getNumTypeUnits()

◆ getParseCUTUIndexManually()

◆ getRecoverableErrorHandler()

◆ getStringDWOExtractor()

◆ getStringExtractor()

◆ getSupportedAddressSizes()

◆ getTUIndex()

◆ getTypeUnitForHash()

◆ getUnitAtIndex()