llvm::DwarfUnit Class Reference

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:

Public Member Functions
AsmPrinter *	getAsmPrinter () const
MCSymbol *	getEndLabel () const
uint16_t	getLanguage () const
const DICompileUnit *	getCUNode () const
DwarfDebug &	getDwarfDebug () const
bool	hasContent () const
	Return true if this compile unit has something to write out.
std::string	getParentContextString (const DIScope *Context) const
	Get string containing language specific context for a global name.
virtual void	addGlobalName (StringRef Name, const DIE &Die, const DIScope *Context)=0
	Add a new global name to the compile unit.
virtual void	addGlobalType (const DIType *Ty, const DIE &Die, const DIScope *Context)=0
	Add a new global type to the compile unit.
DIE *	getDIE (const DINode *D) const
	Returns the DIE map slot for the specified debug variable.
DIELoc *	getDIELoc ()
	Returns a fresh newly allocated DIELoc.
void	insertDIE (const DINode *Desc, DIE *D)
	Insert DIE into the map.
void	insertDIE (DIE *D)
void	addFlag (DIE &Die, dwarf::Attribute Attribute)
	Add a flag that is true to the DIE.
void	addUInt (DIEValueList &Die, dwarf::Attribute Attribute, std::optional< dwarf::Form > Form, uint64_t Integer)
	Add an unsigned integer attribute data and value.
void	addUInt (DIEValueList &Block, dwarf::Form Form, uint64_t Integer)
void	addSInt (DIEValueList &Die, dwarf::Attribute Attribute, std::optional< dwarf::Form > Form, int64_t Integer)
	Add an signed integer attribute data and value.
void	addSInt (DIELoc &Die, std::optional< dwarf::Form > Form, int64_t Integer)
void	addString (DIE &Die, dwarf::Attribute Attribute, StringRef Str)
	Add a string attribute data and value.
void	addLabel (DIEValueList &Die, dwarf::Attribute Attribute, dwarf::Form Form, const MCSymbol *Label)
	Add a Dwarf label attribute data and value.
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.
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.
void	addPoolOpAddress (DIEValueList &Die, const MCSymbol *Label)
void	addLabelDelta (DIEValueList &Die, dwarf::Attribute Attribute, const MCSymbol *Hi, const MCSymbol *Lo)
	Add a label delta attribute data and value.
void	addDIEEntry (DIE &Die, dwarf::Attribute Attribute, DIE &Entry)
	Add a DIE attribute data and value.
void	addDIEEntry (DIE &Die, dwarf::Attribute Attribute, DIEEntry Entry)
	Add a DIE attribute data and value.
void	addDIETypeSignature (DIE &Die, uint64_t Signature)
	Add a type's DW_AT_signature and set the declaration flag.
void	addBlock (DIE &Die, dwarf::Attribute Attribute, DIELoc *Loc)
	Add block data.
void	addBlock (DIE &Die, dwarf::Attribute Attribute, DIEBlock *Block)
	Add block data.
void	addBlock (DIE &Die, dwarf::Attribute Attribute, dwarf::Form Form, DIEBlock *Block)
void	addSourceLine (DIE &Die, unsigned Line, const DIFile *File)
	Add location information to specified debug information entry.
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 ConstantInt *CI, const DIType *Ty)
	Add constant value entry in variable DIE.
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 ConstantFP *CFP)
	Add constant value entry in variable DIE.
void	addLinkageName (DIE &Die, StringRef LinkageName)
	Add a linkage name, if it isn't empty.
void	addTemplateParams (DIE &Buffer, DINodeArray TParams)
	Add template parameters in buffer.
void	addThrownTypes (DIE &Die, DINodeArray ThrownTypes)
	Add thrown types.
void	addAccess (DIE &Die, DINode::DIFlags Flags)
	Add the accessibility attribute.
void	addType (DIE &Entity, const DIType *Ty, dwarf::Attribute Attribute=dwarf::DW_AT_type)
	Add a new type attribute to the specified entity.
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.
DIE *	getOrCreateTypeDIE (const MDNode *TyNode)
	Find existing DIE or create new DIE for the given type.
DIE *	getOrCreateContextDIE (const DIScope *Context)
	Get context owner's DIE.
void	constructContainingTypeDIEs ()
	Construct DIEs for types that contain vtables.
void	constructSubprogramArguments (DIE &Buffer, DITypeRefArray Args)
	Construct function argument DIEs.
DIE &	createAndAddDIE (dwarf::Tag 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.
bool	useSegmentedStringOffsetsTable () const
virtual unsigned	getHeaderSize () const
	Compute the size of a header for this unit, not including the initial length field.
virtual void	emitHeader (bool UseOffsets)=0
	Emit the header for this unit, not including the initial length field.
void	addStringOffsetsStart ()
	Add the DW_AT_str_offsets_base attribute to the unit DIE.
void	addRnglistsBase ()
	Add the DW_AT_rnglists_base attribute to the unit DIE.
virtual DwarfCompileUnit &	getCU ()=0
void	constructTypeDIE (DIE &Buffer, const DICompositeType *CTy)
void	addSectionDelta (DIE &Die, dwarf::Attribute Attribute, const MCSymbol *Hi, const MCSymbol *Lo)
	addSectionDelta - Add a label delta attribute data and value.
void	addSectionLabel (DIE &Die, dwarf::Attribute Attribute, const MCSymbol *Label, const MCSymbol *Sec)
	Add a Dwarf section label attribute data and value.
void	addAnnotation (DIE &Buffer, DINodeArray Annotations)
	Add DW_TAG_LLVM_annotation.
DIE *	createTypeDIE (const DICompositeType *Ty)
	Get context owner's DIE.
Public Member Functions inherited from llvm::DIEUnit
	DIEUnit (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.
virtual const MCSymbol *	getCrossSectionRelativeBaseAddress () const
MCSection *	getSection () const
	Return the section that this DIEUnit will be emitted into.
void	setDebugSectionOffset (uint64_t O)
uint64_t	getDebugSectionOffset () 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 Minimal)
bool	isShareableAcrossCUs (const DINode *D) const
	Check whether the DIE for this MDNode can be shared across CUs.
template<typename T >
void	addAttribute (DIEValueList &Die, dwarf::Attribute Attribute, dwarf::Form Form, T &&Value)
	~DwarfUnit ()
DIE *	getOrCreateStaticMemberDIE (const DIDerivedType *DT)
	Create new static data member DIE.
virtual unsigned	getOrCreateSourceID (const DIFile *File)=0
	Look up the source ID for the given file.
void	emitCommonHeader (bool UseOffsets, dwarf::UnitType UT)
	Emit the common part of the header for this unit.
Protected Member Functions inherited from llvm::DIEUnit
virtual	~DIEUnit ()=default
	.debug_info or .debug_types absolute section offset.

Protected Attributes
const DICompileUnit *	CUNode
	MDNode for the compile unit.
BumpPtrAllocator	DIEValueAllocator
AsmPrinter *	Asm
	Target of Dwarf emission.
MCSymbol *	EndLabel = nullptr
	Emitted at the end of the CU and used to compute the CU Length field.
DwarfDebug *	DD
DwarfFile *	DU
DIE *	IndexTyDie = nullptr
	An anonymous type for index type. Owned by DIEUnit.
DenseMap< const MDNode *, DIE * >	MDNodeToDieMap
	Tracks the mapping of unit level debug information variables to debug information entries.
std::vector< DIEBlock * >	DIEBlocks
	A list of all the DIEBlocks in use.
std::vector< DIELoc * >	DIELocs
	A list of all the DIELocs in use.
DenseMap< DIE *, const DINode * >	ContainingTypeMap
	This map is used to keep track of subprogram DIEs that need DW_AT_containing_type attribute.

Detailed Description

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

Definition at line 35 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 83 of file DwarfUnit.cpp.

~DwarfUnit()

DwarfUnit::~DwarfUnit ( )

protected

Definition at line 94 of file DwarfUnit.cpp.

References B, DIEBlocks, and DIELocs.

Member Function Documentation

addAccess()

void DwarfUnit::addAccess	(	DIE &	Die,
		DINode::DIFlags	Flags
	)

Add the accessibility attribute.

Definition at line 533 of file DwarfUnit.cpp.

References addUInt(), llvm::dwarf::DW_ACCESS_private, llvm::dwarf::DW_ACCESS_protected, llvm::dwarf::DW_ACCESS_public, and llvm::DINode::FlagAccessibility.

Referenced by applySubprogramAttributes(), constructTypeDIE(), and getOrCreateStaticMemberDIE().

addAnnotation()

void DwarfUnit::addAnnotation	(	DIE &	Buffer,
		DINodeArray	Annotations
	)

Add DW_TAG_LLVM_annotation.

Definition at line 852 of file DwarfUnit.cpp.

References addConstantValue(), addString(), assert(), createAndAddDIE(), llvm::Data, llvm::MDNode::getOperand(), and Name.

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

addAttribute()

template<typename T >

void llvm::DwarfUnit::addAttribute ( DIEValueList &  Die, dwarf::Attribute  Attribute, dwarf::Form  Form, T &&  Value  )

inlineprotected

Definition at line 79 of file DwarfUnit.h.

References llvm::DIEValueList::addValue(), Asm, llvm::dwarf::AttributeVersion(), DD, llvm::TargetOptions::DebugStrictDwarf, DIEValueAllocator, llvm::DwarfDebug::getDwarfVersion(), llvm::TargetMachine::Options, and llvm::AsmPrinter::TM.

Referenced by llvm::DwarfCompileUnit::addBaseTypeRef(), addBlock(), addDIEEntry(), addDIETypeSignature(), llvm::DwarfCompileUnit::addExpr(), addFlag(), addLabel(), llvm::DwarfCompileUnit::addLabelAddress(), addLabelDelta(), llvm::DwarfCompileUnit::addLocalLabelAddress(), llvm::DwarfCompileUnit::addLocationList(), addSectionDelta(), addSInt(), addString(), and addUInt().

addBlock() [1/3]

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

Add block data.

Definition at line 403 of file DwarfUnit.cpp.

References addBlock(), and llvm::Block.

addBlock() [2/3]

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

Add block data.

Definition at line 390 of file DwarfUnit.cpp.

References addAttribute(), Asm, llvm::DIELoc::BestForm(), llvm::DIELoc::computeSize(), DD, DIELocs, llvm::AsmPrinter::getDwarfFormParams(), and llvm::DwarfDebug::getDwarfVersion().

Referenced by llvm::DwarfCompileUnit::addAddress(), addBlock(), llvm::DwarfCompileUnit::addComplexAddress(), addConstantValue(), llvm::DwarfCompileUnit::addLabelAddress(), llvm::DwarfCompileUnit::addLocationAttribute(), applySubprogramAttributes(), llvm::DwarfCompileUnit::constructCallSiteParmEntryDIEs(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIEImpl().

addBlock() [3/3]

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

Definition at line 396 of file DwarfUnit.cpp.

References addAttribute(), Asm, llvm::Block, DIEBlocks, and llvm::AsmPrinter::getDwarfFormParams().

addConstantFPValue()

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

Add constant value entry in variable DIE.

Definition at line 453 of file DwarfUnit.cpp.

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

Referenced by getOrCreateStaticMemberDIE().

addConstantValue() [1/5]

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

Definition at line 467 of file DwarfUnit.cpp.

References addUInt(), and Unsigned.

addConstantValue() [2/5]

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

Definition at line 478 of file DwarfUnit.cpp.

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

addConstantValue() [3/5]

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

Definition at line 474 of file DwarfUnit.cpp.

References addConstantValue(), DD, and llvm::DebugHandlerBase::isUnsignedDIType().

addConstantValue() [4/5]

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

Add constant value entry in variable DIE.

Definition at line 458 of file DwarfUnit.cpp.

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

Referenced by addAnnotation(), addConstantFPValue(), addConstantValue(), llvm::DwarfCompileUnit::addLocationAttribute(), and getOrCreateStaticMemberDIE().

addConstantValue() [5/5]

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

Definition at line 463 of file DwarfUnit.cpp.

References addConstantValue(), DD, and llvm::DebugHandlerBase::isUnsignedDIType().

addDIEEntry() [1/2]

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

Add a DIE attribute data and value.

Definition at line 352 of file DwarfUnit.cpp.

References addDIEEntry().

Referenced by addDIEEntry(), addType(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), constructContainingTypeDIEs(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), constructTypeDIE(), llvm::DwarfCompileUnit::finishEntityDefinition(), llvm::DwarfCompileUnit::finishSubprogramDefinition(), and llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE().

addDIEEntry() [2/2]

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

Add a DIE attribute data and value.

Definition at line 367 of file DwarfUnit.cpp.

References addAttribute(), assert(), DD, llvm::DIE::getUnit(), llvm::DIEUnit::getUnitDie(), llvm::DwarfDebug::shareAcrossDWOCUs(), and llvm::DwarfDebug::useSplitDwarf().

addDIETypeSignature()

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

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

Definition at line 356 of file DwarfUnit.cpp.

References addAttribute(), and addFlag().

addFlag()

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

Add a flag that is true to the DIE.

Definition at line 213 of file DwarfUnit.cpp.

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

Referenced by addDIETypeSignature(), applySubprogramAttributes(), llvm::DwarfCompileUnit::applyVariableAttributes(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), constructSubprogramArguments(), constructTypeDIE(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateModule(), getOrCreateNameSpace(), getOrCreateStaticMemberDIE(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIEImpl().

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::DwarfCompileUnit, and llvm::DwarfTypeUnit.

Referenced by getOrCreateModule(), and getOrCreateNameSpace().

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::DwarfCompileUnit, and llvm::DwarfTypeUnit.

addLabel() [1/2]

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

Definition at line 284 of file DwarfUnit.cpp.

References addLabel().

addLabel() [2/2]

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

Add a Dwarf label attribute data and value.

Definition at line 279 of file DwarfUnit.cpp.

References addAttribute().

Referenced by addLabel(), addOpAddress(), addSectionLabel(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIEImpl().

addLabelDelta()

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

Add a label delta attribute data and value.

Definition at line 346 of file DwarfUnit.cpp.

References addAttribute(), DIEValueAllocator, llvm::Hi, and llvm::Lo.

Referenced by addPoolOpAddress(), and llvm::DwarfCompileUnit::attachLowHighPC().

addLinkageName()

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

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

Definition at line 507 of file DwarfUnit.cpp.

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

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

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 331 of file DwarfUnit.cpp.

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

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

addPoolOpAddress()

void DwarfUnit::addPoolOpAddress	(	DIEValueList &	Die,
		const MCSymbol *	Label
	)

Definition at line 306 of file DwarfUnit.cpp.

References addLabelDelta(), addUInt(), llvm::sampleprof::Base, DD, llvm::DwarfDebug::getAddressPool(), llvm::DwarfDebug::getDwarfVersion(), llvm::AddressPool::getIndex(), llvm::DwarfDebug::getSectionLabel(), llvm::DwarfDebug::useAddrOffsetExpressions(), and llvm::DwarfDebug::useAddrOffsetForm().

Referenced by llvm::DwarfCompileUnit::addLabelAddress(), and addOpAddress().

addRnglistsBase()

void DwarfUnit::addRnglistsBase

(

)

Add the DW_AT_rnglists_base attribute to the unit DIE.

Definition at line 1836 of file DwarfUnit.cpp.

References addSectionLabel(), Asm, assert(), DD, DU, llvm::MCSection::getBeginSymbol(), llvm::MCObjectFileInfo::getDwarfRnglistsSection(), llvm::DwarfDebug::getDwarfVersion(), llvm::AsmPrinter::getObjFileLowering(), llvm::DwarfFile::getRnglistsTableBaseSym(), and llvm::DIEUnit::getUnitDie().

addSectionDelta()

void 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 1791 of file DwarfUnit.cpp.

References addAttribute(), DD, DIEValueAllocator, llvm::DwarfDebug::getDwarfSectionOffsetForm(), llvm::Hi, and llvm::Lo.

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

addSectionLabel()

void 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 1797 of file DwarfUnit.cpp.

References addLabel(), addSectionDelta(), Asm, DD, llvm::AsmPrinter::doesDwarfUseRelocationsAcrossSections(), and llvm::DwarfDebug::getDwarfSectionOffsetForm().

Referenced by llvm::DwarfCompileUnit::addAddrTableBase(), addRnglistsBase(), llvm::DwarfCompileUnit::addScopeRangeList(), addStringOffsetsStart(), llvm::DwarfCompileUnit::applyStmtList(), 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 288 of file DwarfUnit.cpp.

References addUInt(), DD, llvm::DwarfDebug::getDwarfSectionOffsetForm(), and llvm::Integer.

addSInt() [1/2]

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

Definition at line 241 of file DwarfUnit.cpp.

References addSInt(), and llvm::Integer.

addSInt() [2/2]

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

Add an signed integer attribute data and value.

Definition at line 234 of file DwarfUnit.cpp.

References addAttribute(), llvm::DIEInteger::BestForm(), and llvm::Integer.

Referenced by llvm::DwarfCompileUnit::addLocationAttribute(), addSInt(), llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), constructTypeDIE(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIEImpl().

addSourceLine() [1/7]

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

Definition at line 423 of file DwarfUnit.cpp.

References addSourceLine(), assert(), and G.

addSourceLine() [2/7]

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

Definition at line 435 of file DwarfUnit.cpp.

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

addSourceLine() [3/7]

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

Definition at line 417 of file DwarfUnit.cpp.

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

addSourceLine() [4/7]

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

Definition at line 447 of file DwarfUnit.cpp.

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

addSourceLine() [5/7]

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

Definition at line 429 of file DwarfUnit.cpp.

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

addSourceLine() [6/7]

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

Definition at line 441 of file DwarfUnit.cpp.

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

addSourceLine() [7/7]

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

Add location information to specified debug information entry.

Definition at line 408 of file DwarfUnit.cpp.

References addUInt(), and getOrCreateSourceID().

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

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 246 of file DwarfUnit.cpp.

References addAttribute(), Asm, CUNode, DD, DIEValueAllocator, DU, llvm::DwarfStringPool::getEntry(), llvm::DwarfStringPoolEntryRef::getIndex(), llvm::DwarfStringPool::getIndexedEntry(), llvm::DwarfFile::getStringPool(), llvm::DICompileUnit::isDebugDirectivesOnly(), llvm::String, llvm::DwarfDebug::useInlineStrings(), and useSegmentedStringOffsetsTable().

Referenced by addAnnotation(), addLinkageName(), llvm::DwarfCompileUnit::applyLabelAttributes(), applySubprogramAttributes(), llvm::DwarfCompileUnit::applyVariableAttributes(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), constructTypeDIE(), llvm::DwarfCompileUnit::createBaseTypeDIEs(), llvm::DwarfCompileUnit::getOrCreateCommonBlock(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateModule(), getOrCreateNameSpace(), and getOrCreateStaticMemberDIE().

addStringOffsetsStart()

void DwarfUnit::addStringOffsetsStart

(

)

Add the DW_AT_str_offsets_base attribute to the unit DIE.

Definition at line 1829 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 llvm::DwarfDebug::addDwarfTypeUnitType().

addTemplateParams()

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

Add template parameters in buffer.

Definition at line 515 of file DwarfUnit.cpp.

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

addThrownTypes()

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

Add thrown types.

Definition at line 526 of file DwarfUnit.cpp.

References addType(), and createAndAddDIE().

Referenced by applySubprogramAttributes().

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 651 of file DwarfUnit.cpp.

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

Referenced by addThrownTypes(), applySubprogramAttributes(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::applyVariableAttributes(), constructSubprogramArguments(), constructTypeDIE(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), and getOrCreateStaticMemberDIE().

addUInt() [1/2]

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

Definition at line 229 of file DwarfUnit.cpp.

References addUInt(), llvm::Block, and llvm::Integer.

addUInt() [2/2]

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

Add an unsigned integer attribute data and value.

Definition at line 220 of file DwarfUnit.cpp.

References addAttribute(), assert(), llvm::DIEInteger::BestForm(), and llvm::Integer.

Referenced by addAccess(), llvm::DwarfCompileUnit::addAddress(), llvm::DwarfCompileUnit::addComplexAddress(), addConstantValue(), llvm::DwarfDebug::addDwarfTypeUnitType(), llvm::DwarfCompileUnit::addLocationAttribute(), addOpAddress(), addPoolOpAddress(), llvm::DwarfCompileUnit::addScopeRangeList(), addSectionOffset(), addSourceLine(), addUInt(), applySubprogramAttributes(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::applyVariableAttributes(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), constructTypeDIE(), llvm::DwarfCompileUnit::createBaseTypeDIEs(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateModule(), getOrCreateStaticMemberDIE(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIEImpl().

applySubprogramAttributes()

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

Definition at line 1238 of file DwarfUnit.cpp.

References addAccess(), addAnnotation(), addBlock(), addFlag(), addSourceLine(), addString(), addThrownTypes(), addType(), addUInt(), applySubprogramDefinitionAttributes(), Asm, llvm::Block, CC, constructSubprogramArguments(), ContainingTypeMap, CUNode, DD, llvm::StringRef::empty(), llvm::DICompileUnit::getDebugInfoForProfiling(), getDIELoc(), llvm::DwarfDebug::getDwarfVersion(), llvm::AsmPrinter::getISAEncoding(), getLanguage(), llvm::DIScope::getName(), llvm::isa(), llvm::dwarf::isC(), and llvm::DwarfDebug::useAppleExtensionAttributes().

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

applySubprogramDefinitionAttributes()

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

protected

Definition at line 1185 of file DwarfUnit.cpp.

References addDIEEntry(), addLinkageName(), addTemplateParams(), addType(), addUInt(), assert(), DD, DU, llvm::StringRef::empty(), llvm::DwarfFile::getAbstractSPDies(), getDIE(), llvm::DIScope::getFile(), getOrCreateSourceID(), llvm::LinkageName, llvm::DITypeRefArray::size(), and llvm::DwarfDebug::useAllLinkageNames().

Referenced by applySubprogramAttributes().

constructContainingTypeDIEs()

void DwarfUnit::constructContainingTypeDIEs

(

)

Construct DIEs for types that contain vtables.

Definition at line 1578 of file DwarfUnit.cpp.

References addDIEEntry(), ContainingTypeMap, D, getDIE(), and P.

constructSubprogramArguments()

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

Construct function argument DIEs.

Definition at line 807 of file DwarfUnit.cpp.

References addFlag(), addType(), Arg, assert(), createAndAddDIE(), llvm::DIType::isArtificial(), and N.

Referenced by applySubprogramAttributes().

constructTypeDIE()

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

Definition at line 873 of file DwarfUnit.cpp.

References addAccess(), addAnnotation(), addDIEEntry(), addFlag(), addSInt(), addSourceLine(), addString(), addTemplateParams(), addType(), addUInt(), Asm, CC, constructTypeDIE(), createAndAddDIE(), DD, llvm::TargetOptions::DebugStrictDwarf, llvm::StringRef::empty(), llvm::DIType::getAlignInBytes(), llvm::DICompositeType::getAnnotations(), getDIE(), llvm::DICompositeType::getDiscriminator(), llvm::DwarfDebug::getDwarfVersion(), llvm::DICompositeType::getElements(), llvm::DIType::getExportSymbols(), llvm::DIType::getFlags(), llvm::DIType::getName(), getOrCreateStaticMemberDIE(), getOrCreateSubprogramDIE(), getOrCreateTypeDIE(), llvm::DICompositeType::getRuntimeLang(), llvm::DIType::getSizeInBits(), llvm::DIE::getTag(), llvm::DICompositeType::getTemplateParams(), llvm::DICompositeType::getVTableHolder(), llvm::DIType::isAppleBlockExtension(), llvm::DIType::isForwardDecl(), llvm::DIType::isObjcClassComplete(), llvm::DIType::isTypePassByReference(), llvm::DIType::isTypePassByValue(), llvm::DebugHandlerBase::isUnsignedDIType(), Name, llvm::TargetMachine::Options, Size, and llvm::AsmPrinter::TM.

Referenced by constructTypeDIE(), and createTypeDIE().

createAndAddDIE()

DIE & DwarfUnit::createAndAddDIE	(	dwarf::Tag	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 383 of file DwarfUnit.cpp.

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

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

createTypeDIE() [1/2]

DIE * DwarfUnit::createTypeDIE

(

const DICompositeType *

Ty

)

Get context owner's DIE.

Definition at line 559 of file DwarfUnit.cpp.

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

createTypeDIE() [2/2]

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

Creates type DIE with specific context.

Definition at line 575 of file DwarfUnit.cpp.

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

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

emitCommonHeader()

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

protected

Emit the common part of the header for this unit.

Definition at line 1742 of file DwarfUnit.cpp.

References Asm, DD, llvm::AsmPrinter::emitDwarfLengthOrOffset(), llvm::AsmPrinter::emitDwarfSymbolReference(), llvm::AsmPrinter::emitDwarfUnitLength(), llvm::AsmPrinter::emitInt16(), llvm::AsmPrinter::emitInt8(), EndLabel, llvm::MCSection::getBeginSymbol(), llvm::MCAsmInfo::getCodePointerSize(), llvm::MCObjectFileInfo::getDwarfAbbrevSection(), llvm::DwarfDebug::getDwarfVersion(), getHeaderSize(), llvm::AsmPrinter::getObjFileLowering(), getSize(), llvm::DIEUnit::getUnitDie(), llvm::AsmPrinter::MAI, llvm::AsmPrinter::OutStreamer, and llvm::DwarfDebug::useSectionsAsReferences().

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

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::DwarfCompileUnit, and llvm::DwarfTypeUnit.

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

getAsmPrinter()

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

inline

Definition at line 96 of file DwarfUnit.h.

References Asm.

getCU()

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

pure virtual

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

Referenced by createTypeDIE().

getCUNode()

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

inline

Definition at line 99 of file DwarfUnit.h.

References CUNode.

Referenced by llvm::DwarfFile::emitUnit(), llvm::DwarfDebug::endFunctionImpl(), 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 195 of file DwarfUnit.cpp.

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

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

getDIELoc()

DIELoc * llvm::DwarfUnit::getDIELoc ( )

inline

Returns a fresh newly allocated DIELoc.

Definition at line 130 of file DwarfUnit.h.

References DIEValueAllocator.

Referenced by applySubprogramAttributes().

getDwarfDebug()

DwarfDebug & llvm::DwarfUnit::getDwarfDebug ( ) const

inline

Definition at line 100 of file DwarfUnit.h.

References DD.

getEndLabel()

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

inline

Definition at line 97 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::DwarfCompileUnit, and llvm::DwarfTypeUnit.

Definition at line 269 of file DwarfUnit.h.

References Asm, DD, llvm::AsmPrinter::getDwarfOffsetByteSize(), and llvm::DwarfDebug::getDwarfVersion().

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

getLanguage()

uint16_t llvm::DwarfUnit::getLanguage ( ) const

inline

Definition at line 98 of file DwarfUnit.h.

References CUNode, and llvm::DICompileUnit::getSourceLanguage().

Referenced by applySubprogramAttributes(), and getParentContextString().

getOrCreateContextDIE()

DIE * DwarfUnit::getOrCreateContextDIE

(

const DIScope *

Context

)

Get context owner's DIE.

Definition at line 545 of file DwarfUnit.cpp.

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

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

getOrCreateModule()

DIE * DwarfUnit::getOrCreateModule

(

const DIModule *

M

)

Definition at line 1122 of file DwarfUnit.cpp.

References addFlag(), addGlobalName(), addString(), addUInt(), createAndAddDIE(), getDIE(), getOrCreateContextDIE(), and getOrCreateSourceID().

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

getOrCreateNameSpace()

DIE * DwarfUnit::getOrCreateNameSpace

(

const DINamespace *

NS

)

Definition at line 1101 of file DwarfUnit.cpp.

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

Referenced by llvm::DwarfCompileUnit::constructImportedEntityDIE(), 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 addSourceLine(), applySubprogramDefinitionAttributes(), and getOrCreateModule().

getOrCreateStaticMemberDIE()

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

protected

Create new static data member DIE.

Definition at line 1703 of file DwarfUnit.cpp.

References addAccess(), addConstantFPValue(), addConstantValue(), addFlag(), addSourceLine(), addString(), addType(), addUInt(), assert(), createAndAddDIE(), llvm::DIType::getAlignInBytes(), llvm::DIDerivedType::getConstant(), getDIE(), llvm::DIType::getFlags(), llvm::DIType::getName(), getOrCreateContextDIE(), llvm::DIType::getScope(), llvm::DIE::getTag(), llvm::DINode::getTag(), and llvm::dwarf::isType().

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

getOrCreateSubprogramDIE()

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

Definition at line 1153 of file DwarfUnit.cpp.

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

Referenced by llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), constructTypeDIE(), getOrCreateContextDIE(), getOrCreateSubprogramDIE(), 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 606 of file DwarfUnit.cpp.

References assert(), Context, createTypeDIE(), DD, getBaseType(), getDIE(), llvm::DwarfDebug::getDwarfVersion(), getOrCreateContextDIE(), getOrCreateTypeDIE(), and llvm::DIE::getUnit().

Referenced by addType(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), constructTypeDIE(), getOrCreateContextDIE(), and getOrCreateTypeDIE().

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 657 of file DwarfUnit.cpp.

References Context, getLanguage(), llvm::dwarf::isCPlusPlus(), Name, and llvm::reverse().

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

hasContent()

bool llvm::DwarfUnit::hasContent ( ) const

inline

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

Definition at line 103 of file DwarfUnit.h.

References llvm::DIEUnit::getUnitDie(), and llvm::DIE::hasChildren().

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 201 of file DwarfUnit.cpp.

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

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

insertDIE() [2/2]

void DwarfUnit::insertDIE

(

DIE *

D

)

Definition at line 209 of file DwarfUnit.cpp.

References D, and 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 180 of file DwarfUnit.cpp.

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

Referenced by getDIE(), and insertDIE().

useSegmentedStringOffsetsTable()

bool llvm::DwarfUnit::useSegmentedStringOffsetsTable ( ) const

inline

Definition at line 263 of file DwarfUnit.h.

References DD, and llvm::DwarfDebug::useSegmentedStringOffsetsTable().

Referenced by addString().

Member Data Documentation

Asm

AsmPrinter* llvm::DwarfUnit::Asm

protected

Target of Dwarf emission.

Definition at line 44 of file DwarfUnit.h.

Referenced by llvm::DwarfCompileUnit::addAddress(), llvm::DwarfCompileUnit::addAddrTableBase(), addAttribute(), addBlock(), llvm::DwarfCompileUnit::addComplexAddress(), addConstantValue(), llvm::DwarfCompileUnit::addLocationAttribute(), addRnglistsBase(), llvm::DwarfCompileUnit::addScopeRangeList(), addSectionLabel(), addString(), addStringOffsetsStart(), llvm::DwarfCompileUnit::applyStmtList(), applySubprogramAttributes(), llvm::DwarfCompileUnit::attachRangesOrLowHighPC(), llvm::DwarfCompileUnit::constructCallSiteParmEntryDIEs(), constructTypeDIE(), llvm::DwarfCompileUnit::DwarfCompileUnit(), emitCommonHeader(), llvm::DwarfCompileUnit::emitHeader(), llvm::DwarfTypeUnit::emitHeader(), getAsmPrinter(), getHeaderSize(), llvm::DwarfTypeUnit::getHeaderSize(), llvm::DwarfCompileUnit::getLength(), llvm::DwarfCompileUnit::getOrCreateSourceID(), llvm::DwarfCompileUnit::initStmtList(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIEImpl().

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 69 of file DwarfUnit.h.

Referenced by applySubprogramAttributes(), and constructContainingTypeDIEs().

CUNode

const DICompileUnit* llvm::DwarfUnit::CUNode

protected

MDNode for the compile unit.

Definition at line 38 of file DwarfUnit.h.

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

DD

DwarfDebug* llvm::DwarfUnit::DD

protected

Definition at line 50 of file DwarfUnit.h.

Referenced by llvm::DwarfCompileUnit::addAddrTableBase(), addAttribute(), addBlock(), addConstantValue(), addDIEEntry(), addFlag(), llvm::DwarfCompileUnit::addLabelAddress(), addLinkageName(), llvm::DwarfCompileUnit::addLocationAttribute(), llvm::DwarfCompileUnit::addLocationList(), addOpAddress(), addPoolOpAddress(), llvm::DwarfCompileUnit::addRange(), addRnglistsBase(), llvm::DwarfCompileUnit::addScopeRangeList(), addSectionDelta(), addSectionLabel(), addSectionOffset(), addString(), applySubprogramAttributes(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::attachLowHighPC(), llvm::DwarfCompileUnit::attachRangesOrLowHighPC(), llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), llvm::DwarfCompileUnit::constructLexicalScopeDIE(), llvm::DwarfCompileUnit::constructScopeDIE(), constructTypeDIE(), createTypeDIE(), emitCommonHeader(), llvm::DwarfCompileUnit::emitHeader(), llvm::DwarfTypeUnit::emitHeader(), getDwarfDebug(), getHeaderSize(), llvm::DwarfCompileUnit::getHeaderSize(), getOrCreateNameSpace(), llvm::DwarfCompileUnit::getOrCreateSourceID(), getOrCreateTypeDIE(), llvm::DwarfCompileUnit::hasDwarfPubSections(), llvm::DwarfCompileUnit::includeMinimalInlineScopes(), llvm::DwarfCompileUnit::initStmtList(), isShareableAcrossCUs(), llvm::DwarfCompileUnit::updateSubprogramScopeDIEImpl(), llvm::DwarfCompileUnit::useGNUAnalogForDwarf5Feature(), and useSegmentedStringOffsetsTable().

DIEBlocks

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

protected

A list of all the DIEBlocks in use.

Definition at line 61 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 64 of file DwarfUnit.h.

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

DIEValueAllocator

BumpPtrAllocator llvm::DwarfUnit::DIEValueAllocator

protected

Definition at line 41 of file DwarfUnit.h.

Referenced by llvm::DwarfCompileUnit::addAddress(), addAttribute(), llvm::DwarfCompileUnit::addBaseTypeRef(), llvm::DwarfCompileUnit::addComplexAddress(), addConstantValue(), llvm::DwarfCompileUnit::addLabelAddress(), addLabelDelta(), llvm::DwarfCompileUnit::addLocationAttribute(), addSectionDelta(), addString(), llvm::DwarfCompileUnit::constructCallSiteParmEntryDIEs(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), llvm::DwarfCompileUnit::constructLabelDIE(), llvm::DwarfCompileUnit::constructLexicalScopeDIE(), llvm::DwarfCompileUnit::constructSubprogramScopeDIE(), createAndAddDIE(), llvm::DwarfCompileUnit::createBaseTypeDIEs(), getDIELoc(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIEImpl().

DU

DwarfFile* llvm::DwarfUnit::DU

protected

Definition at line 51 of file DwarfUnit.h.

Referenced by addRnglistsBase(), llvm::DwarfCompileUnit::addScopeRangeList(), addString(), addStringOffsetsStart(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::createAbstractEntity(), llvm::DwarfCompileUnit::createAndAddScopeChildren(), 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 47 of file DwarfUnit.h.

Referenced by llvm::DwarfCompileUnit::attachRangesOrLowHighPC(), emitCommonHeader(), and getEndLabel().

IndexTyDie

DIE* llvm::DwarfUnit::IndexTyDie = nullptr

protected

An anonymous type for index type. Owned by DIEUnit.

Definition at line 54 of file DwarfUnit.h.

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 58 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