This dwarf writer support class manages information associated with a source file. More...

#include "CodeGen/AsmPrinter/DwarfUnit.h"

Inheritance diagram for llvm::DwarfUnit:

Collaboration diagram for llvm::DwarfUnit:

[legend]

Public Member Functions
AsmPrinter *	getAsmPrinter () const

MCSymbol *	getEndLabel () const

uint16_t	getLanguage () const

const DICompileUnit *	getCUNode () const

uint16_t	getDwarfVersion () const

bool	hasContent () const
	Return true if this compile unit has something to write out. More...

std::string	getParentContextString (const DIScope *Context) const
	Get string containing language specific context for a global name. More...

virtual void	addGlobalName (StringRef Name, const DIE &Die, const DIScope *Context)=0
	Add a new global name to the compile unit. More...

virtual void	addGlobalType (const DIType Ty, const DIE &Die, const DIScope Context)=0
	Add a new global type to the compile unit. More...

DIE *	getDIE (const DINode *D) const
	Returns the DIE map slot for the specified debug variable. More...

DIELoc *	getDIELoc ()
	Returns a fresh newly allocated DIELoc. More...

void	insertDIE (const DINode Desc, DIE D)
	Insert DIE into the map. More...

void	insertDIE (DIE *D)

void	addFlag (DIE &Die, dwarf::Attribute Attribute)
	Add a flag that is true to the DIE. More...

void	addUInt (DIEValueList &Die, dwarf::Attribute Attribute, Optional< dwarf::Form > Form, uint64_t Integer)
	Add an unsigned integer attribute data and value. More...

void	addUInt (DIEValueList &Block, dwarf::Form Form, uint64_t Integer)

void	addSInt (DIEValueList &Die, dwarf::Attribute Attribute, Optional< dwarf::Form > Form, int64_t Integer)
	Add an signed integer attribute data and value. More...

void	addSInt (DIELoc &Die, Optional< dwarf::Form > Form, int64_t Integer)

void	addString (DIE &Die, dwarf::Attribute Attribute, StringRef Str)
	Add a string attribute data and value. More...

DIEValueList::value_iterator	addLabel (DIEValueList &Die, dwarf::Attribute Attribute, dwarf::Form Form, const MCSymbol *Label)
	Add a Dwarf label attribute data and value. More...

void	addLabel (DIELoc &Die, dwarf::Form Form, const MCSymbol *Label)

void	addSectionOffset (DIE &Die, dwarf::Attribute Attribute, uint64_t Integer)
	Add an offset into a section attribute data and value. More...

void	addOpAddress (DIELoc &Die, const MCSymbol *Sym)
	Add a dwarf op address data and value using the form given and an op of either DW_FORM_addr or DW_FORM_GNU_addr_index. More...

void	addLabelDelta (DIE &Die, dwarf::Attribute Attribute, const MCSymbol Hi, const MCSymbol Lo)
	Add a label delta attribute data and value. More...

void	addDIEEntry (DIE &Die, dwarf::Attribute Attribute, DIE &Entry)
	Add a DIE attribute data and value. More...

void	addDIEEntry (DIE &Die, dwarf::Attribute Attribute, DIEEntry Entry)
	Add a DIE attribute data and value. More...

void	addDIETypeSignature (DIE &Die, uint64_t Signature)
	Add a type's DW_AT_signature and set the declaration flag. More...

void	addBlock (DIE &Die, dwarf::Attribute Attribute, DIELoc *Loc)
	Add block data. More...

void	addBlock (DIE &Die, dwarf::Attribute Attribute, DIEBlock *Block)
	Add block data. More...

void	addSourceLine (DIE &Die, unsigned Line, const DIFile *File)
	Add location information to specified debug information entry. More...

void	addSourceLine (DIE &Die, const DILocalVariable *V)

void	addSourceLine (DIE &Die, const DIGlobalVariable *G)

void	addSourceLine (DIE &Die, const DISubprogram *SP)

void	addSourceLine (DIE &Die, const DILabel *L)

void	addSourceLine (DIE &Die, const DIType *Ty)

void	addSourceLine (DIE &Die, const DIObjCProperty *Ty)

void	addConstantValue (DIE &Die, const MachineOperand &MO, const DIType *Ty)
	Add constant value entry in variable DIE. More...

void	addConstantValue (DIE &Die, const ConstantInt CI, const DIType Ty)

void	addConstantValue (DIE &Die, const APInt &Val, const DIType *Ty)

void	addConstantValue (DIE &Die, const APInt &Val, bool Unsigned)

void	addConstantValue (DIE &Die, uint64_t Val, const DIType *Ty)

void	addConstantValue (DIE &Die, bool Unsigned, uint64_t Val)

void	addConstantFPValue (DIE &Die, const MachineOperand &MO)
	Add constant value entry in variable DIE. More...

void	addConstantFPValue (DIE &Die, const ConstantFP *CFP)

void	addLinkageName (DIE &Die, StringRef LinkageName)
	Add a linkage name, if it isn't empty. More...

void	addTemplateParams (DIE &Buffer, DINodeArray TParams)
	Add template parameters in buffer. More...

void	addThrownTypes (DIE &Die, DINodeArray ThrownTypes)
	Add thrown types. More...

void	addType (DIE &Entity, const DIType *Ty, dwarf::Attribute Attribute=dwarf::DW_AT_type)
	Add a new type attribute to the specified entity. More...

DIE *	getOrCreateNameSpace (const DINamespace *NS)

DIE *	getOrCreateModule (const DIModule *M)

DIE *	getOrCreateSubprogramDIE (const DISubprogram *SP, bool Minimal=false)

void	applySubprogramAttributes (const DISubprogram *SP, DIE &SPDie, bool SkipSPAttributes=false)

DIE *	createTypeDIE (const DIScope Context, DIE &ContextDIE, const DIType Ty)
	Creates type DIE with specific context. More...

DIE *	getOrCreateTypeDIE (const MDNode *TyNode)
	Find existing DIE or create new DIE for the given type. More...

DIE *	getOrCreateContextDIE (const DIScope *Context)
	Get context owner's DIE. More...

void	constructContainingTypeDIEs ()
	Construct DIEs for types that contain vtables. More...

void	constructSubprogramArguments (DIE &Buffer, DITypeRefArray Args)
	Construct function argument DIEs. More...

DIE &	createAndAddDIE (unsigned Tag, DIE &Parent, const DINode *N=nullptr)
	Create a DIE with the given Tag, add the DIE to its parent, and call insertDIE if MD is not null. More...

bool	useSegmentedStringOffsetsTable () const

virtual unsigned	getHeaderSize () const
	Compute the size of a header for this unit, not including the initial length field. More...

virtual void	emitHeader (bool UseOffsets)=0
	Emit the header for this unit, not including the initial length field. More...

void	addStringOffsetsStart ()
	Add the DW_AT_str_offsets_base attribute to the unit DIE. More...

void	addRnglistsBase ()
	Add the DW_AT_rnglists_base attribute to the unit DIE. More...

virtual DwarfCompileUnit &	getCU ()=0

void	constructTypeDIE (DIE &Buffer, const DICompositeType *CTy)

DIE::value_iterator	addSectionDelta (DIE &Die, dwarf::Attribute Attribute, const MCSymbol Hi, const MCSymbol Lo)
	addSectionDelta - Add a label delta attribute data and value. More...

DIE::value_iterator	addSectionLabel (DIE &Die, dwarf::Attribute Attribute, const MCSymbol Label, const MCSymbol Sec)
	Add a Dwarf section label attribute data and value. More...

Optional< MD5::MD5Result >	getMD5AsBytes (const DIFile *File) const
	If the `File` has an MD5 checksum, return it as an MD5Result allocated in the MCContext. More...

DIE *	createTypeDIE (const DICompositeType *Ty)
	Get context owner's DIE. More...

Public Member Functions inherited from llvm::DIEUnit
	DIEUnit (uint16_t Version, uint8_t AddrSize, dwarf::Tag UnitTag)

	DIEUnit (const DIEUnit &RHS)=delete

	DIEUnit (DIEUnit &&RHS)=delete

void	operator= (const DIEUnit &RHS)=delete

void	operator= (const DIEUnit &&RHS)=delete

void	setSection (MCSection *Section)
	Set the section that this DIEUnit will be emitted into. More...

MCSection *	getSection () const
	Return the section that this DIEUnit will be emitted into. More...

void	setDebugSectionOffset (unsigned O)

unsigned	getDebugSectionOffset () const

void	setLength (uint64_t L)

uint64_t	getLength () const

uint16_t	getDwarfVersion () const

uint16_t	getAddressSize () const

DIE &	getUnitDie ()

const DIE &	getUnitDie () const

Protected Member Functions
	DwarfUnit (dwarf::Tag, const DICompileUnit Node, AsmPrinter A, DwarfDebug DW, DwarfFile DWU)

bool	applySubprogramDefinitionAttributes (const DISubprogram *SP, DIE &SPDie)

bool	shareAcrossDWOCUs () const

bool	isShareableAcrossCUs (const DINode *D) const
	Check whether the DIE for this MDNode can be shared across CUs. More...

	~DwarfUnit ()

DIE *	getOrCreateStaticMemberDIE (const DIDerivedType *DT)
	Create new static data member DIE. More...

virtual unsigned	getOrCreateSourceID (const DIFile *File)=0
	Look up the source ID for the given file. More...

void	emitCommonHeader (bool UseOffsets, dwarf::UnitType UT)
	Emit the common part of the header for this unit. More...

Protected Member Functions inherited from llvm::DIEUnit
virtual	~DIEUnit ()=default
	The size in bytes of an address for this unit. More...

Protected Attributes
const DICompileUnit *	CUNode
	MDNode for the compile unit. More...

BumpPtrAllocator	DIEValueAllocator

AsmPrinter *	Asm
	Target of Dwarf emission. More...

MCSymbol *	EndLabel = nullptr
	Emitted at the end of the CU and used to compute the CU Length field. More...

DwarfDebug *	DD

DwarfFile *	DU

DIE *	IndexTyDie
	An anonymous type for index type. Owned by DIEUnit. More...

DenseMap< const MDNode , DIE >	MDNodeToDieMap
	Tracks the mapping of unit level debug information variables to debug information entries. More...

std::vector< DIEBlock * >	DIEBlocks
	A list of all the DIEBlocks in use. More...

std::vector< DIELoc * >	DIELocs
	A list of all the DIELocs in use. More...

DenseMap< DIE , const DINode >	ContainingTypeMap
	This map is used to keep track of subprogram DIEs that need DW_AT_containing_type attribute. More...

Detailed Description

This dwarf writer support class manages information associated with a source file.

Definition at line 40 of file DwarfUnit.h.

Constructor & Destructor Documentation

◆ DwarfUnit()

DwarfUnit::DwarfUnit	(	dwarf::Tag	UnitTag,
		const DICompileUnit *	Node,
		AsmPrinter *	A,
		DwarfDebug *	DW,
		DwarfFile *	DWU
	)

protected

Definition at line 91 of file DwarfUnit.cpp.

◆ ~DwarfUnit()

DwarfUnit::~DwarfUnit ( )

protected

Definition at line 104 of file DwarfUnit.cpp.

References DD, DIEBlocks, DIELocs, llvm::DwarfDebug::getDwarfVersion(), and getLanguage().

Referenced by getHeaderSize().

Member Function Documentation

◆ addBlock() [1/2]

void DwarfUnit::addBlock	(	DIE &	Die,
		dwarf::Attribute	Attribute,
		DIELoc *	Loc
	)

◆ addBlock() [2/2]

void DwarfUnit::addBlock	(	DIE &	Die,
		dwarf::Attribute	Attribute,
		DIEBlock *	Block
	)

Add block data.

Definition at line 409 of file DwarfUnit.cpp.

References llvm::DIEValueList::addValue(), Asm, llvm::DIEBlock::BestForm(), llvm::DIEBlock::ComputeSize(), DIEBlocks, and DIEValueAllocator.

◆ addConstantFPValue() [1/2]

void DwarfUnit::addConstantFPValue	(	DIE &	Die,
		const MachineOperand &	MO
	)

Add constant value entry in variable DIE.

Definition at line 510 of file DwarfUnit.cpp.

References Asm, assert(), llvm::APFloat::bitcastToAPInt(), DIEValueAllocator, llvm::APInt::getBitWidth(), llvm::AsmPrinter::getDataLayout(), llvm::MachineOperand::getFPImm(), llvm::APInt::getRawData(), llvm::ConstantFP::getValueAPF(), llvm::MachineOperand::isFPImm(), and llvm::DataLayout::isLittleEndian().

Referenced by llvm::DwarfCompileUnit::constructLabelDIE(), getDIELoc(), and getOrCreateStaticMemberDIE().

◆ addConstantFPValue() [2/2]

void DwarfUnit::addConstantFPValue	(	DIE &	Die,
		const ConstantFP *	CFP
	)

Definition at line 532 of file DwarfUnit.cpp.

References addConstantValue(), llvm::APFloat::bitcastToAPInt(), and llvm::ConstantFP::getValueAPF().

◆ addConstantValue() [1/6]

void DwarfUnit::addConstantValue	(	DIE &	Die,
		const MachineOperand &	MO,
		const DIType *	Ty
	)

Add constant value entry in variable DIE.

Definition at line 542 of file DwarfUnit.cpp.

References assert(), DD, llvm::MachineOperand::getImm(), llvm::MachineOperand::isImm(), and isUnsignedDIType().

Referenced by addConstantFPValue(), addConstantValue(), llvm::DwarfCompileUnit::addLocationAttribute(), llvm::DwarfCompileUnit::constructLabelDIE(), constructTypeDIE(), getDIELoc(), getOrCreateStaticMemberDIE(), and hasVectorBeenPadded().

◆ addConstantValue() [2/6]

void DwarfUnit::addConstantValue	(	DIE &	Die,
		const ConstantInt *	CI,
		const DIType *	Ty
	)

Definition at line 537 of file DwarfUnit.cpp.

References addConstantValue(), and llvm::ConstantInt::getValue().

◆ addConstantValue() [3/6]

void DwarfUnit::addConstantValue	(	DIE &	Die,
		const APInt &	Val,
		const DIType *	Ty
	)

Definition at line 560 of file DwarfUnit.cpp.

References addConstantValue(), DD, and isUnsignedDIType().

◆ addConstantValue() [4/6]

void DwarfUnit::addConstantValue	(	DIE &	Die,
		const APInt &	Val,
		bool	Unsigned
	)

Definition at line 564 of file DwarfUnit.cpp.

References addBlock(), addConstantValue(), addUInt(), Asm, DIEValueAllocator, llvm::APInt::getBitWidth(), llvm::AsmPrinter::getDataLayout(), llvm::APInt::getRawData(), llvm::APInt::getSExtValue(), llvm::APInt::getZExtValue(), and llvm::DataLayout::isLittleEndian().

◆ addConstantValue() [5/6]

void DwarfUnit::addConstantValue	(	DIE &	Die,
		uint64_t	Val,
		const DIType *	Ty
	)

Definition at line 549 of file DwarfUnit.cpp.

References addConstantValue(), DD, and isUnsignedDIType().

◆ addConstantValue() [6/6]

void DwarfUnit::addConstantValue	(	DIE &	Die,
		bool	Unsigned,
		uint64_t	Val
	)

Definition at line 553 of file DwarfUnit.cpp.

References addUInt().

◆ addDIEEntry() [1/2]

void DwarfUnit::addDIEEntry	(	DIE &	Die,
		dwarf::Attribute	Attribute,
		DIE &	Entry
	)

Add a DIE attribute data and value.

Definition at line 366 of file DwarfUnit.cpp.

◆ addDIEEntry() [2/2]

void DwarfUnit::addDIEEntry	(	DIE &	Die,
		dwarf::Attribute	Attribute,
		DIEEntry	Entry
	)

Add a DIE attribute data and value.

Definition at line 381 of file DwarfUnit.cpp.

References llvm::DIEValueList::addValue(), DIEValueAllocator, llvm::DIEEntry::getEntry(), llvm::DIE::getUnit(), and llvm::DIEUnit::getUnitDie().

◆ addDIETypeSignature()

void DwarfUnit::addDIETypeSignature	(	DIE &	Die,
		uint64_t	Signature
	)

Add a type's DW_AT_signature and set the declaration flag.

Definition at line 370 of file DwarfUnit.cpp.

References addFlag(), llvm::DIEValueList::addValue(), and DIEValueAllocator.

Referenced by llvm::DwarfDebug::addDwarfTypeUnitType(), and getDIELoc().

◆ addFlag()

void DwarfUnit::addFlag	(	DIE &	Die,
		dwarf::Attribute	Attribute
	)

◆ addGlobalName()

virtual void llvm::DwarfUnit::addGlobalName	(	StringRef	Name,
		const DIE &	Die,
		const DIScope *	Context
	)

pure virtual

Add a new global name to the compile unit.

Implemented in llvm::DwarfTypeUnit, and llvm::DwarfCompileUnit.

Referenced by llvm::DwarfTypeUnit::getHeaderSize(), and hasContent().

◆ addGlobalType()

virtual void llvm::DwarfUnit::addGlobalType	(	const DIType *	Ty,
		const DIE &	Die,
		const DIScope *	Context
	)

pure virtual

Add a new global type to the compile unit.

Implemented in llvm::DwarfTypeUnit, and llvm::DwarfCompileUnit.

Referenced by llvm::DwarfTypeUnit::getHeaderSize(), and hasContent().

◆ addLabel() [1/2]

DIEValueList::value_iterator DwarfUnit::addLabel	(	DIEValueList &	Die,
		dwarf::Attribute	Attribute,
		dwarf::Form	Form,
		const MCSymbol *	Label
	)

Add a Dwarf label attribute data and value.

Definition at line 292 of file DwarfUnit.cpp.

References llvm::DIEValueList::addValue(), and DIEValueAllocator.

Referenced by addLabel(), addOpAddress(), addSectionLabel(), and getDIELoc().

◆ addLabel() [2/2]

void DwarfUnit::addLabel	(	DIELoc &	Die,
		dwarf::Form	Form,
		const MCSymbol *	Label
	)

Definition at line 299 of file DwarfUnit.cpp.

References addLabel().

◆ addLabelDelta()

void DwarfUnit::addLabelDelta	(	DIE &	Die,
		dwarf::Attribute	Attribute,
		const MCSymbol *	Hi,
		const MCSymbol *	Lo
	)

Add a label delta attribute data and value.

Definition at line 360 of file DwarfUnit.cpp.

References llvm::DIEValueList::addValue(), and DIEValueAllocator.

Referenced by getDIELoc().

◆ addLinkageName()

void DwarfUnit::addLinkageName	(	DIE &	Die,
		StringRef	LinkageName
	)

Add a linkage name, if it isn't empty.

Definition at line 593 of file DwarfUnit.cpp.

References addString(), DD, llvm::GlobalValue::dropLLVMManglingEscape(), llvm::StringRef::empty(), and llvm::DwarfDebug::getDwarfVersion().

Referenced by llvm::DwarfCompileUnit::addLocationAttribute(), applySubprogramDefinitionAttributes(), and getDIELoc().

◆ addOpAddress()

void DwarfUnit::addOpAddress	(	DIELoc &	Die,
		const MCSymbol *	Sym
	)

Add a dwarf op address data and value using the form given and an op of either DW_FORM_addr or DW_FORM_GNU_addr_index.

Definition at line 342 of file DwarfUnit.cpp.

References addLabel(), addUInt(), DD, llvm::DwarfDebug::getAddressPool(), llvm::DwarfDebug::getDwarfVersion(), llvm::AddressPool::getIndex(), and llvm::DwarfDebug::useSplitDwarf().

Referenced by llvm::DwarfCompileUnit::addLocationAttribute(), llvm::DwarfCompileUnit::constructLabelDIE(), constructTypeDIE(), and getDIELoc().

◆ addRnglistsBase()

void DwarfUnit::addRnglistsBase ( )

Add the DW_AT_rnglists_base attribute to the unit DIE.

Definition at line 1708 of file DwarfUnit.cpp.

References addFlag(), addSectionLabel(), addString(), Asm, assert(), createTypeDIE(), D, DD, DU, llvm::StringRef::empty(), llvm::DwarfTypeUnit::getCU(), llvm::DwarfDebug::getDwarfVersion(), llvm::DIType::getName(), llvm::AsmPrinter::getObjFileLowering(), llvm::DwarfFile::getRnglistsTableBaseSym(), llvm::DIEUnit::getUnitDie(), and Name.

Referenced by getHeaderSize().

◆ addSectionDelta()

DIE::value_iterator DwarfUnit::addSectionDelta	(	DIE &	Die,
		dwarf::Attribute	Attribute,
		const MCSymbol *	Hi,
		const MCSymbol *	Lo
	)

addSectionDelta - Add a label delta attribute data and value.

Definition at line 1658 of file DwarfUnit.cpp.

References llvm::DIEValueList::addValue(), DD, DIEValueAllocator, and llvm::DwarfDebug::getDwarfVersion().

Referenced by llvm::DwarfCompileUnit::addScopeRangeList(), addSectionLabel(), and getHeaderSize().

◆ addSectionLabel()

DIE::value_iterator DwarfUnit::addSectionLabel	(	DIE &	Die,
		dwarf::Attribute	Attribute,
		const MCSymbol *	Label,
		const MCSymbol *	Sec
	)

Add a Dwarf section label attribute data and value.

Definition at line 1667 of file DwarfUnit.cpp.

References addLabel(), addSectionDelta(), Asm, DD, llvm::MCAsmInfo::doesDwarfUseRelocationsAcrossSections(), llvm::DwarfDebug::getDwarfVersion(), llvm::AsmPrinter::MAI, and llvm::DwarfDebug::useSplitDwarf().

Referenced by llvm::DwarfCompileUnit::addAddrTableBase(), addRnglistsBase(), llvm::DwarfCompileUnit::addScopeRangeList(), addStringOffsetsStart(), getHeaderSize(), and llvm::DwarfCompileUnit::initStmtList().

◆ addSectionOffset()

void DwarfUnit::addSectionOffset	(	DIE &	Die,
		dwarf::Attribute	Attribute,
		uint64_t	Integer
	)

Add an offset into a section attribute data and value.

Definition at line 303 of file DwarfUnit.cpp.

References addUInt(), DD, and llvm::DwarfDebug::getDwarfVersion().

Referenced by getDIELoc(), and getMD5AsBytes().

◆ addSInt() [1/2]

void DwarfUnit::addSInt	(	DIEValueList &	Die,
		dwarf::Attribute	Attribute,
		Optional< dwarf::Form >	Form,
		int64_t	Integer
	)

Add an signed integer attribute data and value.

Definition at line 246 of file DwarfUnit.cpp.

References llvm::DIEValueList::addValue(), llvm::DIEInteger::BestForm(), and DIEValueAllocator.

Referenced by addSInt(), constructTypeDIE(), and getDIELoc().

◆ addSInt() [2/2]

void DwarfUnit::addSInt	(	DIELoc &	Die,
		Optional< dwarf::Form >	Form,
		int64_t	Integer
	)

Definition at line 253 of file DwarfUnit.cpp.

References addSInt().

◆ addSourceLine() [1/7]

void DwarfUnit::addSourceLine	(	DIE &	Die,
		unsigned	Line,
		const DIFile *	File
	)

Add location information to specified debug information entry.

Definition at line 416 of file DwarfUnit.cpp.

References addUInt(), and llvm::None.

Referenced by addSourceLine(), llvm::DwarfCompileUnit::applyLabelAttributes(), applySubprogramAttributes(), llvm::DwarfCompileUnit::applyVariableAttributes(), constructContainingTypeDIEs(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), constructTypeDIE(), getDIELoc(), llvm::DwarfCompileUnit::getOrCreateCommonBlock(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateStaticMemberDIE(), and getParentContextString().

◆ addSourceLine() [2/7]

void DwarfUnit::addSourceLine	(	DIE &	Die,
		const DILocalVariable *	V
	)

Definition at line 425 of file DwarfUnit.cpp.

References addSourceLine(), assert(), llvm::DIVariable::getFile(), and llvm::DIVariable::getLine().

◆ addSourceLine() [3/7]

void DwarfUnit::addSourceLine	(	DIE &	Die,
		const DIGlobalVariable *	G
	)

Definition at line 431 of file DwarfUnit.cpp.

References addSourceLine(), assert(), llvm::DIVariable::getFile(), and llvm::DIVariable::getLine().

◆ addSourceLine() [4/7]

void DwarfUnit::addSourceLine	(	DIE &	Die,
		const DISubprogram *	SP
	)

Definition at line 437 of file DwarfUnit.cpp.

References addSourceLine(), assert(), and llvm::DIScope::getFile().

◆ addSourceLine() [5/7]

void DwarfUnit::addSourceLine	(	DIE &	Die,
		const DILabel *	L
	)

Definition at line 443 of file DwarfUnit.cpp.

References addSourceLine(), assert(), llvm::DILabel::getFile(), and llvm::DILabel::getLine().

◆ addSourceLine() [6/7]

void DwarfUnit::addSourceLine	(	DIE &	Die,
		const DIType *	Ty
	)

Definition at line 449 of file DwarfUnit.cpp.

References addSourceLine(), assert(), llvm::DIScope::getFile(), and llvm::DIType::getLine().

◆ addSourceLine() [7/7]

void DwarfUnit::addSourceLine	(	DIE &	Die,
		const DIObjCProperty *	Ty
	)

Definition at line 455 of file DwarfUnit.cpp.

References addSourceLine(), assert(), llvm::DIObjCProperty::getFile(), and llvm::DIObjCProperty::getLine().

◆ addString()

void DwarfUnit::addString	(	DIE &	Die,
		dwarf::Attribute	Attribute,
		StringRef	Str
	)

Add a string attribute data and value.

We always emit a reference to the string pool instead of immediate strings so that DIEs have more predictable sizes. In the case of split dwarf we emit an index into another table which gets us the static offset into the string table.

Definition at line 258 of file DwarfUnit.cpp.

References llvm::DIEValueList::addValue(), Asm, CUNode, DD, DIEValueAllocator, DU, llvm::DwarfStringPool::getEntry(), llvm::DwarfStringPool::getIndexedEntry(), llvm::DwarfFile::getStringPool(), llvm::DICompileUnit::isDebugDirectivesOnly(), llvm::DwarfDebug::useInlineStrings(), and useSegmentedStringOffsetsTable().

Referenced by addLinkageName(), addRnglistsBase(), llvm::DwarfCompileUnit::applyLabelAttributes(), applySubprogramAttributes(), llvm::DwarfCompileUnit::applyVariableAttributes(), llvm::DwarfDebug::beginModule(), collectCallSiteParameters(), constructContainingTypeDIEs(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), constructTypeDIE(), llvm::DwarfCompileUnit::createBaseTypeDIEs(), getDIELoc(), llvm::DwarfCompileUnit::getOrCreateCommonBlock(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateModule(), getOrCreateNameSpace(), getOrCreateStaticMemberDIE(), getParentContextString(), and hasVectorBeenPadded().

◆ addStringOffsetsStart()

void DwarfUnit::addStringOffsetsStart ( )

Add the DW_AT_str_offsets_base attribute to the unit DIE.

Definition at line 1701 of file DwarfUnit.cpp.

References addSectionLabel(), Asm, DU, llvm::MCSection::getBeginSymbol(), llvm::MCObjectFileInfo::getDwarfStrOffSection(), llvm::AsmPrinter::getObjFileLowering(), llvm::DwarfFile::getStringOffsetsStartSym(), and llvm::DIEUnit::getUnitDie().

Referenced by collectCallSiteParameters(), and getHeaderSize().

◆ addTemplateParams()

void DwarfUnit::addTemplateParams	(	DIE &	Buffer,
		DINodeArray	TParams
	)

Add template parameters in buffer.

Definition at line 601 of file DwarfUnit.cpp.

Referenced by applySubprogramDefinitionAttributes(), constructTypeDIE(), getDIELoc(), and llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE().

◆ addThrownTypes()

void DwarfUnit::addThrownTypes	(	DIE &	Die,
		DINodeArray	ThrownTypes
	)

Add thrown types.

Definition at line 612 of file DwarfUnit.cpp.

References addType(), createAndAddDIE(), and TT.

Referenced by applySubprogramAttributes(), and getDIELoc().

◆ addType()

void DwarfUnit::addType	(	DIE &	Entity,
		const DIType *	Ty,
		dwarf::Attribute	Attribute = `dwarf::DW_AT_type`
	)

Add a new type attribute to the specified entity.

This takes and attribute parameter because DW_AT_friend attributes are also type references.

Definition at line 725 of file DwarfUnit.cpp.

References addDIEEntry(), assert(), and getOrCreateTypeDIE().

Referenced by addThrownTypes(), applySubprogramAttributes(), llvm::DwarfCompileUnit::applyVariableAttributes(), constructContainingTypeDIEs(), constructSubprogramArguments(), constructTypeDIE(), getDIELoc(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateStaticMemberDIE(), getParentContextString(), and hasVectorBeenPadded().

◆ addUInt() [1/2]

void DwarfUnit::addUInt	(	DIEValueList &	Die,
		dwarf::Attribute	Attribute,
		Optional< dwarf::Form >	Form,
		uint64_t	Integer
	)

Add an unsigned integer attribute data and value.

Definition at line 232 of file DwarfUnit.cpp.

References llvm::DIEValueList::addValue(), assert(), llvm::DIEInteger::BestForm(), and DIEValueAllocator.

◆ addUInt() [2/2]

void DwarfUnit::addUInt	(	DIEValueList &	Block,
		dwarf::Form	Form,
		uint64_t	Integer
	)

Definition at line 241 of file DwarfUnit.cpp.

References addUInt().

◆ applySubprogramAttributes()

void DwarfUnit::applySubprogramAttributes	(	const DISubprogram *	SP,
		DIE &	SPDie,
		bool	SkipSPAttributes = `false`
	)

Definition at line 1198 of file DwarfUnit.cpp.

References llvm::DwarfDebug::addAccelType(), addBlock(), addDIEEntry(), addFlag(), addSourceLine(), addString(), addThrownTypes(), addType(), addUInt(), applySubprogramDefinitionAttributes(), llvm::AMDGPU::HSAMD::Kernel::Key::Args, Asm, constructSubprogramArguments(), ContainingTypeMap, createAndAddDIE(), CUNode, DD, llvm::dwarf::DW_ACCESS_private, llvm::dwarf::DW_ACCESS_protected, llvm::dwarf::DW_ACCESS_public, llvm::StringRef::empty(), llvm::DISubrange::getCount(), llvm::DICompileUnit::getDebugInfoForProfiling(), getDIE(), getDIELoc(), llvm::AsmPrinter::getISAEncoding(), getLanguage(), llvm::DIScope::getName(), llvm::DIEUnit::getUnitDie(), IndexTyDie, llvm::isa(), llvm::AMDGPU::HSAMD::Kernel::Key::Language, Name, llvm::None, llvm::DITypeRefArray::size(), and llvm::DwarfDebug::useAppleExtensionAttributes().

Referenced by llvm::DwarfCompileUnit::applySubprogramAttributesToDefinition(), getDIELoc(), and getOrCreateSubprogramDIE().

◆ applySubprogramDefinitionAttributes()

bool DwarfUnit::applySubprogramDefinitionAttributes	(	const DISubprogram *	SP,
		DIE &	SPDie
	)

protected

Definition at line 1155 of file DwarfUnit.cpp.

References addDIEEntry(), addLinkageName(), addTemplateParams(), addUInt(), assert(), DD, DU, llvm::StringRef::empty(), llvm::DwarfFile::getAbstractSPDies(), getDIE(), llvm::DIScope::getFile(), llvm::LinkageName, llvm::None, and llvm::DwarfDebug::useAllLinkageNames().

Referenced by applySubprogramAttributes().

◆ constructContainingTypeDIEs()

void DwarfUnit::constructContainingTypeDIEs ( )

Construct DIEs for types that contain vtables.

Definition at line 1434 of file DwarfUnit.cpp.

References addBlock(), addDIEEntry(), addFlag(), addSourceLine(), addString(), addType(), addUInt(), llvm::DIEValueList::addValue(), Asm, ContainingTypeMap, createAndAddDIE(), D, DD, DIEValueAllocator, llvm::dwarf::DW_ACCESS_private, llvm::dwarf::DW_ACCESS_protected, llvm::dwarf::DW_ACCESS_public, llvm::DIType::getAlignInBytes(), llvm::DebugHandlerBase::getBaseTypeSize(), llvm::AsmPrinter::getDataLayout(), getDIE(), llvm::DwarfDebug::getDwarfVersion(), llvm::DIType::getName(), llvm::DIType::getOffsetInBits(), llvm::DIType::getSizeInBits(), llvm::DINode::getTag(), llvm::DIType::isArtificial(), llvm::DataLayout::isLittleEndian(), llvm::DIType::isPrivate(), llvm::DIType::isProtected(), llvm::DIType::isPublic(), llvm::DIType::isVirtual(), Name, llvm::None, Size, and llvm::DwarfDebug::useDWARF2Bitfields().

Referenced by llvm::DwarfDebug::beginModule(), and getDIELoc().

◆ constructSubprogramArguments()

void DwarfUnit::constructSubprogramArguments	(	DIE &	Buffer,
		DITypeRefArray	Args
	)

Construct function argument DIEs.

Definition at line 825 of file DwarfUnit.cpp.

References addFlag(), addType(), addUInt(), Arg, assert(), constructTypeDIE(), createAndAddDIE(), llvm::DISubroutineType::getCC(), getLanguage(), llvm::DIType::isArtificial(), llvm::DIType::isLValueReference(), llvm::DIType::isRValueReference(), llvm::AMDGPU::HSAMD::Kernel::Key::Language, N, and llvm::DITypeRefArray::size().

Referenced by applySubprogramAttributes(), and getDIELoc().

◆ constructTypeDIE()

void DwarfUnit::constructTypeDIE	(	DIE &	Buffer,
		const DICompositeType *	CTy
	)

Definition at line 873 of file DwarfUnit.cpp.

References addBlock(), addConstantValue(), addDIEEntry(), addFlag(), addOpAddress(), addSInt(), addSourceLine(), addString(), addTemplateParams(), addType(), addUInt(), Asm, assert(), createAndAddDIE(), DD, DIEValueAllocator, llvm::StringRef::empty(), llvm::DIType::getAlignInBytes(), llvm::DICompositeType::getDiscriminator(), llvm::DICompositeType::getElements(), llvm::DIType::getExportSymbols(), llvm::DIType::getName(), llvm::DITemplateParameter::getName(), getOrCreateStaticMemberDIE(), getOrCreateSubprogramDIE(), getOrCreateTypeDIE(), llvm::DICompositeType::getRuntimeLang(), llvm::DIType::getSizeInBits(), llvm::AsmPrinter::getSymbol(), llvm::DINode::getTag(), llvm::DIE::getTag(), llvm::DICompositeType::getTemplateParams(), llvm::DITemplateParameter::getType(), llvm::DITemplateValueParameter::getValue(), llvm::DICompositeType::getVTableHolder(), llvm::DIType::isAppleBlockExtension(), llvm::DIType::isForwardDecl(), llvm::DIType::isObjcClassComplete(), llvm::DIType::isTypePassByReference(), llvm::DIType::isTypePassByValue(), isUnsignedDIType(), Name, llvm::None, Size, and llvm::Tag.

Referenced by llvm::DwarfCompileUnit::applySubprogramAttributesToDefinition(), constructSubprogramArguments(), createTypeDIE(), getHeaderSize(), and getParentContextString().

◆ createAndAddDIE()

DIE & DwarfUnit::createAndAddDIE	(	unsigned	Tag,
		DIE &	Parent,
		const DINode *	N = `nullptr`
	)

Create a DIE with the given Tag, add the DIE to its parent, and call insertDIE if MD is not null.

Definition at line 395 of file DwarfUnit.cpp.

References llvm::DIE::addChild(), DIEValueAllocator, llvm::DIE::get(), and insertDIE().

Referenced by addThrownTypes(), applySubprogramAttributes(), llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), constructContainingTypeDIEs(), constructSubprogramArguments(), constructTypeDIE(), createTypeDIE(), getDIELoc(), llvm::DwarfCompileUnit::getOrCreateCommonBlock(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateModule(), getOrCreateNameSpace(), getOrCreateStaticMemberDIE(), getOrCreateSubprogramDIE(), and hasVectorBeenPadded().

◆ createTypeDIE() [1/2]

DIE * DwarfUnit::createTypeDIE	(	const DIScope *	Context,
		DIE &	ContextDIE,
		const DIType *	Ty
	)

Creates type DIE with specific context.

Definition at line 649 of file DwarfUnit.cpp.

References llvm::DwarfDebug::addDwarfTypeUnitType(), constructTypeDIE(), createAndAddDIE(), DD, llvm::DwarfDebug::enterNonTypeUnitContext(), llvm::DwarfDebug::generateTypeUnits(), llvm::DwarfTypeUnit::getCU(), llvm::DIType::getRawName(), llvm::DINode::getTag(), llvm::DIType::isForwardDecl(), and X.

Referenced by addRnglistsBase(), getDIELoc(), getHeaderSize(), and getOrCreateTypeDIE().

◆ createTypeDIE() [2/2]

DIE * DwarfUnit::createTypeDIE ( const DICompositeType * Ty )

Get context owner's DIE.

Definition at line 633 of file DwarfUnit.cpp.

References constructTypeDIE(), Context, createAndAddDIE(), getDIE(), getOrCreateContextDIE(), llvm::DIType::getScope(), and llvm::DINode::getTag().

◆ emitCommonHeader()

void DwarfUnit::emitCommonHeader	(	bool	UseOffsets,
		dwarf::UnitType	UT
	)

protected

Emit the common part of the header for this unit.

Definition at line 1604 of file DwarfUnit.cpp.

References Asm, llvm::AsmPrinter::createTempSymbol(), DD, llvm::AsmPrinter::emitDwarfSymbolReference(), llvm::AsmPrinter::emitInt16(), llvm::AsmPrinter::emitInt32(), llvm::AsmPrinter::emitInt8(), llvm::AsmPrinter::EmitLabelDifference(), EndLabel, llvm::MCSection::getBeginSymbol(), llvm::MCAsmInfo::getCodePointerSize(), llvm::MCObjectFileInfo::getDwarfAbbrevSection(), llvm::DwarfDebug::getDwarfVersion(), llvm::DwarfTypeUnit::getHeaderSize(), llvm::AsmPrinter::getObjFileLowering(), llvm::DIEUnit::getUnitDie(), llvm::AsmPrinter::MAI, llvm::AsmPrinter::OutStreamer, llvm::cl::Prefix, and llvm::DwarfDebug::useSectionsAsReferences().

Referenced by llvm::DwarfCompileUnit::emitHeader(), llvm::DwarfTypeUnit::emitHeader(), and getHeaderSize().

◆ emitHeader()

virtual void llvm::DwarfUnit::emitHeader ( bool UseOffsets )

pure virtual

Emit the header for this unit, not including the initial length field.

Implemented in llvm::DwarfTypeUnit, and llvm::DwarfCompileUnit.

Referenced by llvm::DwarfFile::emitUnit(), getHeaderSize(), and llvm::DwarfTypeUnit::setType().

◆ getAsmPrinter()

AsmPrinter* llvm::DwarfUnit::getAsmPrinter ( ) const

inline

Definition at line 86 of file DwarfUnit.h.

References Asm.

◆ getCU()

virtual DwarfCompileUnit& llvm::DwarfUnit::getCU ( )

pure virtual

Implemented in llvm::DwarfTypeUnit, and llvm::DwarfCompileUnit.

Referenced by getHeaderSize().

◆ getCUNode()

const DICompileUnit* llvm::DwarfUnit::getCUNode ( ) const

inline

Definition at line 89 of file DwarfUnit.h.

References CUNode.

Referenced by llvm::DwarfDebug::beginModule(), computeIndexValue(), emitDebugRangesImpl(), emitRangeList(), llvm::DwarfFile::emitUnit(), forBothCUs(), and llvm::DwarfCompileUnit::includeMinimalInlineScopes().

◆ getDIE()

DIE * DwarfUnit::getDIE ( const DINode * D ) const

Returns the DIE map slot for the specified debug variable.

We delegate the request to DwarfDebug when the MDNode can be part of the type system, since DIEs for the type system can be shared across CUs and the mappings are kept in DwarfDebug.

Definition at line 205 of file DwarfUnit.cpp.

References DU, llvm::DwarfFile::getDIE(), isShareableAcrossCUs(), and MDNodeToDieMap.

Referenced by applySubprogramAttributes(), applySubprogramDefinitionAttributes(), constructContainingTypeDIEs(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), createTypeDIE(), llvm::DwarfCompileUnit::finishSubprogramDefinition(), llvm::DwarfCompileUnit::getOrCreateCommonBlock(), getOrCreateContextDIE(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateModule(), getOrCreateNameSpace(), getOrCreateStaticMemberDIE(), getOrCreateSubprogramDIE(), getOrCreateTypeDIE(), and hasContent().

◆ getDIELoc()

DIELoc* llvm::DwarfUnit::getDIELoc ( )

inline

Returns a fresh newly allocated DIELoc.

Definition at line 121 of file DwarfUnit.h.

References addBlock(), addConstantFPValue(), addConstantValue(), addDIEEntry(), addDIETypeSignature(), addFlag(), addLabel(), addLabelDelta(), addLinkageName(), addOpAddress(), addSectionOffset(), addSInt(), addSourceLine(), addString(), addTemplateParams(), addThrownTypes(), addType(), addUInt(), applySubprogramAttributes(), llvm::AMDGPU::HSAMD::Kernel::Key::Args, constructContainingTypeDIEs(), constructSubprogramArguments(), createAndAddDIE(), createTypeDIE(), DIEValueAllocator, File, G, getOrCreateContextDIE(), getOrCreateModule(), getOrCreateNameSpace(), getOrCreateSubprogramDIE(), getOrCreateTypeDIE(), llvm::MipsISD::Hi, insertDIE(), llvm::Integer, llvm::LinkageName, llvm::MipsISD::Lo, N, llvm::Tag, and Unsigned.

Referenced by applySubprogramAttributes().

◆ getDwarfVersion()

uint16_t llvm::DwarfUnit::getDwarfVersion ( ) const

inline

Definition at line 91 of file DwarfUnit.h.

References llvm::DwarfDebug::getDwarfVersion().

Referenced by llvm::DwarfCompileUnit::addAddrTableBase().

◆ getEndLabel()

MCSymbol* llvm::DwarfUnit::getEndLabel ( ) const

inline

Definition at line 87 of file DwarfUnit.h.

References EndLabel.

Referenced by llvm::DwarfFile::emitUnit().

◆ getHeaderSize()

virtual unsigned llvm::DwarfUnit::getHeaderSize ( ) const

inlinevirtual

Compute the size of a header for this unit, not including the initial length field.

Reimplemented in llvm::DwarfTypeUnit, and llvm::DwarfCompileUnit.

Definition at line 258 of file DwarfUnit.h.

References addRnglistsBase(), addSectionDelta(), addSectionLabel(), addStringOffsetsStart(), constructTypeDIE(), createTypeDIE(), D, emitCommonHeader(), emitHeader(), getCU(), llvm::DwarfDebug::getDwarfVersion(), getMD5AsBytes(), getOrCreateSourceID(), getOrCreateStaticMemberDIE(), and ~DwarfUnit().

Referenced by llvm::DwarfFile::computeSizeAndOffsetsForUnit(), llvm::DwarfCompileUnit::getHeaderSize(), and llvm::DwarfTypeUnit::getHeaderSize().

◆ getLanguage()

uint16_t llvm::DwarfUnit::getLanguage ( ) const

inline

Definition at line 88 of file DwarfUnit.h.

References llvm::DICompileUnit::getSourceLanguage().

Referenced by applySubprogramAttributes(), computeIndexValue(), constructSubprogramArguments(), getParentContextString(), and ~DwarfUnit().

◆ getMD5AsBytes()

Optional< MD5::MD5Result > DwarfUnit::getMD5AsBytes ( const DIFile * File ) const

If the File has an MD5 checksum, return it as an MD5Result allocated in the MCContext.

Definition at line 311 of file DwarfUnit.cpp.

References addSectionOffset(), Asm, assert(), llvm::MD5::MD5Result::Bytes, llvm::copy(), llvm::DIFile::CSK_MD5, DD, File, llvm::fromHex(), llvm::DwarfTypeUnit::getCU(), llvm::DIScope::getDirectory(), llvm::MCContext::getDwarfVersion(), llvm::DwarfDebug::getDwarfVersion(), llvm::MCDwarfDwoLineTable::getFile(), llvm::DIScope::getFilename(), llvm::DwarfCompileUnit::getOrCreateSourceID(), llvm::DIScope::getSource(), llvm::DIEUnit::getUnitDie(), llvm::None, and llvm::AsmPrinter::OutContext.

Referenced by emitDebugRangesImpl(), getHeaderSize(), and llvm::DwarfCompileUnit::getOrCreateSourceID().

◆ getOrCreateContextDIE()

DIE * DwarfUnit::getOrCreateContextDIE ( const DIScope * Context )

Get context owner's DIE.

Definition at line 619 of file DwarfUnit.cpp.

References getDIE(), getOrCreateModule(), getOrCreateNameSpace(), getOrCreateSubprogramDIE(), getOrCreateTypeDIE(), and llvm::DIEUnit::getUnitDie().

Referenced by collectCallSiteParameters(), llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), createTypeDIE(), getDIELoc(), llvm::DwarfCompileUnit::getOrCreateCommonBlock(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateModule(), getOrCreateNameSpace(), getOrCreateStaticMemberDIE(), getOrCreateSubprogramDIE(), and getOrCreateTypeDIE().

◆ getOrCreateModule()

DIE * DwarfUnit::getOrCreateModule ( const DIModule * M )

Definition at line 1099 of file DwarfUnit.cpp.

References llvm::DwarfTypeUnit::addGlobalName(), addString(), createAndAddDIE(), llvm::StringRef::empty(), llvm::DIModule::getConfigurationMacros(), getDIE(), llvm::DIModule::getIncludePath(), llvm::DIModule::getISysRoot(), llvm::DIModule::getName(), getOrCreateContextDIE(), and llvm::DIModule::getScope().

Referenced by llvm::DwarfCompileUnit::constructImportedEntityDIE(), getDIELoc(), and getOrCreateContextDIE().

◆ getOrCreateNameSpace()

DIE * DwarfUnit::getOrCreateNameSpace ( const DINamespace * NS )

Definition at line 1078 of file DwarfUnit.cpp.

References llvm::DwarfDebug::addAccelNamespace(), addFlag(), llvm::DwarfTypeUnit::addGlobalName(), addString(), createAndAddDIE(), CUNode, DD, llvm::StringRef::empty(), getDIE(), llvm::DINamespace::getExportSymbols(), llvm::DINamespace::getName(), getOrCreateContextDIE(), llvm::DINamespace::getScope(), and Name.

Referenced by llvm::DwarfCompileUnit::constructImportedEntityDIE(), getDIELoc(), and getOrCreateContextDIE().

◆ getOrCreateSourceID()

virtual unsigned llvm::DwarfUnit::getOrCreateSourceID ( const DIFile * File )

protectedpure virtual

Look up the source ID for the given file.

If none currently exists, create a new ID and insert it in the line table.

Implemented in llvm::DwarfCompileUnit.

Referenced by getHeaderSize().

◆ getOrCreateStaticMemberDIE()

DIE * DwarfUnit::getOrCreateStaticMemberDIE ( const DIDerivedType * DT )

protected

Create new static data member DIE.

Definition at line 1557 of file DwarfUnit.cpp.

References addConstantFPValue(), addConstantValue(), addFlag(), addSourceLine(), addString(), addType(), addUInt(), assert(), createAndAddDIE(), llvm::dwarf::DW_ACCESS_private, llvm::dwarf::DW_ACCESS_protected, llvm::dwarf::DW_ACCESS_public, llvm::DIType::getAlignInBytes(), getDIE(), llvm::DIType::getName(), getOrCreateContextDIE(), llvm::DIType::getScope(), llvm::DINode::getTag(), llvm::DIE::getTag(), llvm::DIType::isPrivate(), llvm::DIType::isProtected(), llvm::DIType::isPublic(), and llvm::dwarf::isType().

Referenced by constructTypeDIE(), getHeaderSize(), and llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE().

◆ getOrCreateSubprogramDIE()

DIE * DwarfUnit::getOrCreateSubprogramDIE	(	const DISubprogram *	SP,
		bool	Minimal = `false`
	)

Definition at line 1123 of file DwarfUnit.cpp.

References applySubprogramAttributes(), createAndAddDIE(), getDIE(), getOrCreateContextDIE(), llvm::DIScope::getScope(), llvm::DIE::getUnit(), and llvm::DIEUnit::getUnitDie().

Referenced by llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), constructTypeDIE(), getDIELoc(), getOrCreateContextDIE(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().

◆ getOrCreateTypeDIE()

DIE * DwarfUnit::getOrCreateTypeDIE ( const MDNode * TyNode )

Find existing DIE or create new DIE for the given type.

Definition at line 680 of file DwarfUnit.cpp.

References llvm::DwarfDebug::addAccelType(), llvm::DwarfTypeUnit::addGlobalType(), assert(), Context, createTypeDIE(), CUNode, DD, llvm::dwarf::DW_FLAG_type_implementation, llvm::StringRef::empty(), getDIE(), llvm::DwarfDebug::getDwarfVersion(), llvm::DIType::getName(), getOrCreateContextDIE(), llvm::DIE::getTag(), llvm::DIE::getUnit(), and llvm::DIType::isForwardDecl().

Referenced by addType(), llvm::DwarfDebug::beginModule(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), constructTypeDIE(), getDIELoc(), getOrCreateContextDIE(), and getParentContextString().

◆ getParentContextString()

std::string DwarfUnit::getParentContextString ( const DIScope * Context ) const

Get string containing language specific context for a global name.

Walks the metadata parent chain in a language specific manner (using the compile unit language) and returns it as a string. This is done at the metadata level because DIEs may not currently have been added to the parent context and walking the DIEs looking for names is more expensive than walking the metadata.

Definition at line 731 of file DwarfUnit.cpp.

References addDIEEntry(), addSourceLine(), addString(), addType(), addUInt(), constructTypeDIE(), llvm::StringRef::empty(), llvm::DIBasicType::getEncoding(), getLanguage(), llvm::DIType::getName(), getOrCreateTypeDIE(), llvm::DIScope::getScope(), llvm::DIType::getSizeInBits(), llvm::DINode::getTag(), llvm::DIE::getTag(), llvm::DIType::isBigEndian(), llvm::dwarf::isCPlusPlus(), llvm::DIType::isForwardDecl(), llvm::DIType::isLittleEndian(), llvm::make_range(), Name, llvm::None, llvm::SmallVectorTemplateBase< T >::push_back(), llvm::SmallVectorTemplateCommon< T >::rbegin(), llvm::SmallVectorTemplateCommon< T >::rend(), Size, and llvm::Tag.

Referenced by llvm::DwarfCompileUnit::addGlobalName(), llvm::DwarfCompileUnit::addGlobalNameForTypeUnit(), llvm::DwarfCompileUnit::addGlobalType(), llvm::DwarfCompileUnit::addGlobalTypeUnitType(), and hasContent().

◆ hasContent()

bool llvm::DwarfUnit::hasContent ( ) const

inline

Return true if this compile unit has something to write out.

Definition at line 94 of file DwarfUnit.h.

References addGlobalName(), addGlobalType(), Context, D, getDIE(), getParentContextString(), llvm::DIEUnit::getUnitDie(), llvm::DIE::hasChildren(), and Name.

◆ insertDIE() [1/2]

void DwarfUnit::insertDIE	(	const DINode *	Desc,
		DIE *	D
	)

Insert DIE into the map.

We delegate the request to DwarfDebug when the MDNode can be part of the type system, since DIEs for the type system can be shared across CUs and the mappings are kept in DwarfDebug.

Definition at line 211 of file DwarfUnit.cpp.

References DU, llvm::DwarfFile::insertDIE(), isShareableAcrossCUs(), and MDNodeToDieMap.

Referenced by llvm::DwarfCompileUnit::constructCallSiteParmEntryDIEs(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), llvm::DwarfCompileUnit::constructLabelDIE(), createAndAddDIE(), and getDIELoc().

◆ insertDIE() [2/2]

void DwarfUnit::insertDIE ( DIE * D )

Definition at line 219 of file DwarfUnit.cpp.

References MDNodeToDieMap.

◆ isShareableAcrossCUs()

bool DwarfUnit::isShareableAcrossCUs ( const DINode * D ) const

protected

Check whether the DIE for this MDNode can be shared across CUs.

Definition at line 190 of file DwarfUnit.cpp.

References D, DD, llvm::DwarfDebug::generateTypeUnits(), and llvm::DwarfDebug::shareAcrossDWOCUs().

Referenced by getDIE(), and insertDIE().

◆ shareAcrossDWOCUs()

bool llvm::DwarfUnit::shareAcrossDWOCUs ( ) const

protected

◆ useSegmentedStringOffsetsTable()

bool llvm::DwarfUnit::useSegmentedStringOffsetsTable ( ) const

inline

Definition at line 252 of file DwarfUnit.h.

References llvm::DwarfDebug::useSegmentedStringOffsetsTable().

Referenced by addString().

Member Data Documentation

◆ Asm

AsmPrinter* llvm::DwarfUnit::Asm

protected

Target of Dwarf emission.

Definition at line 49 of file DwarfUnit.h.

◆ ContainingTypeMap

DenseMap<DIE *, const DINode *> llvm::DwarfUnit::ContainingTypeMap

protected

This map is used to keep track of subprogram DIEs that need DW_AT_containing_type attribute.

This attribute points to a DIE that corresponds to the MDNode mapped with the subprogram DIE.

Definition at line 74 of file DwarfUnit.h.

Referenced by applySubprogramAttributes(), and constructContainingTypeDIEs().

◆ CUNode

const DICompileUnit* llvm::DwarfUnit::CUNode

protected

MDNode for the compile unit.

Definition at line 43 of file DwarfUnit.h.

Referenced by llvm::DwarfCompileUnit::addLocationAttribute(), addString(), applySubprogramAttributes(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), getCUNode(), getOrCreateNameSpace(), getOrCreateTypeDIE(), llvm::DwarfCompileUnit::hasDwarfPubSections(), llvm::DwarfCompileUnit::initStmtList(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().

◆ DD

DwarfDebug* llvm::DwarfUnit::DD

protected

Definition at line 55 of file DwarfUnit.h.

◆ DIEBlocks

std::vector<DIEBlock *> llvm::DwarfUnit::DIEBlocks

protected

A list of all the DIEBlocks in use.

Definition at line 66 of file DwarfUnit.h.

Referenced by addBlock(), and ~DwarfUnit().

◆ DIELocs

std::vector<DIELoc *> llvm::DwarfUnit::DIELocs

protected

A list of all the DIELocs in use.

Definition at line 69 of file DwarfUnit.h.

Referenced by addBlock(), and ~DwarfUnit().

◆ DIEValueAllocator

BumpPtrAllocator llvm::DwarfUnit::DIEValueAllocator

protected

Definition at line 46 of file DwarfUnit.h.

◆ DU

DwarfFile* llvm::DwarfUnit::DU

protected

Definition at line 56 of file DwarfUnit.h.

Referenced by addRnglistsBase(), llvm::DwarfCompileUnit::addScopeRangeList(), addString(), addStringOffsetsStart(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::createScopeChildrenDIE(), getDIE(), and insertDIE().

◆ EndLabel

MCSymbol* llvm::DwarfUnit::EndLabel = nullptr

protected

Emitted at the end of the CU and used to compute the CU Length field.

Definition at line 52 of file DwarfUnit.h.

Referenced by emitCommonHeader(), and getEndLabel().

◆ IndexTyDie

DIE* llvm::DwarfUnit::IndexTyDie

protected

An anonymous type for index type. Owned by DIEUnit.

Definition at line 59 of file DwarfUnit.h.

Referenced by applySubprogramAttributes().

◆ MDNodeToDieMap

DenseMap<const MDNode *, DIE *> llvm::DwarfUnit::MDNodeToDieMap

protected

Tracks the mapping of unit level debug information variables to debug information entries.

Definition at line 63 of file DwarfUnit.h.

Referenced by getDIE(), and insertDIE().

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

lib/CodeGen/AsmPrinter/DwarfUnit.h
lib/CodeGen/AsmPrinter/DwarfUnit.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ DwarfUnit()

◆ ~DwarfUnit()

Member Function Documentation

◆ addBlock() [1/2]

◆ addBlock() [2/2]

◆ addConstantFPValue() [1/2]

◆ addConstantFPValue() [2/2]

◆ addConstantValue() [1/6]

◆ addConstantValue() [2/6]

◆ addConstantValue() [3/6]

◆ addConstantValue() [4/6]

◆ addConstantValue() [5/6]

◆ addConstantValue() [6/6]

◆ addDIEEntry() [1/2]

◆ addDIEEntry() [2/2]

◆ addDIETypeSignature()

◆ addFlag()

◆ addGlobalName()

◆ addGlobalType()

◆ addLabel() [1/2]

◆ addLabel() [2/2]

◆ addLabelDelta()

◆ addLinkageName()

◆ addOpAddress()

◆ addRnglistsBase()

◆ addSectionDelta()

◆ addSectionLabel()

◆ addSectionOffset()

◆ addSInt() [1/2]

◆ addSInt() [2/2]

◆ addSourceLine() [1/7]

◆ addSourceLine() [2/7]

◆ addSourceLine() [3/7]

◆ addSourceLine() [4/7]

◆ addSourceLine() [5/7]

◆ addSourceLine() [6/7]

◆ addSourceLine() [7/7]

◆ addString()

◆ addStringOffsetsStart()

◆ addTemplateParams()

◆ addThrownTypes()

◆ addType()

◆ addUInt() [1/2]

◆ addUInt() [2/2]

◆ applySubprogramAttributes()

◆ applySubprogramDefinitionAttributes()

◆ constructContainingTypeDIEs()

◆ constructSubprogramArguments()

◆ constructTypeDIE()

◆ createAndAddDIE()

◆ createTypeDIE() [1/2]

◆ createTypeDIE() [2/2]

◆ emitCommonHeader()

◆ emitHeader()

◆ getAsmPrinter()

◆ getCU()

◆ getCUNode()

◆ getDIE()

◆ getDIELoc()

◆ getDwarfVersion()

◆ getEndLabel()

◆ getHeaderSize()

◆ getLanguage()

◆ getMD5AsBytes()

◆ getOrCreateContextDIE()

◆ getOrCreateModule()

◆ getOrCreateNameSpace()

◆ getOrCreateSourceID()

◆ getOrCreateStaticMemberDIE()

◆ getOrCreateSubprogramDIE()

◆ getOrCreateTypeDIE()

◆ getParentContextString()

◆ hasContent()

◆ insertDIE() [1/2]

◆ insertDIE() [2/2]