#include "CodeGen/AsmPrinter/DwarfUnit.h"

Inheritance diagram for llvm::DwarfTypeUnit:

Public Member Functions
	DwarfTypeUnit (DwarfCompileUnit &CU, AsmPrinter A, DwarfDebug DW, DwarfFile DWU, unsigned UniqueID, MCDwarfDwoLineTable SplitLineTable=nullptr)
void	setTypeSignature (uint64_t Signature)
uint64_t	getTypeSignature () const
	Returns Type Signature.
void	setType (const DIE *Ty)
void	emitHeader (bool UseOffsets) override
	Emit the header for this unit, not including the initial length field.
unsigned	getHeaderSize () const override
	Compute the size of a header for this unit, not including the initial length field.
void	addGlobalName (StringRef Name, const DIE &Die, const DIScope *Context) override
	Add a new global name to the compile unit.
void	addGlobalTypeImpl (const DIType Ty, const DIE &Die, const DIScope Context) override
	Add a new global type to the compile unit.
DwarfCompileUnit &	getCU () override
Public Member Functions inherited from llvm::DwarfUnit
unsigned	getUniqueID () const
	Gets Unique ID for this unit.
AsmPrinter *	getAsmPrinter () const
MCSymbol *	getLabelBegin () const
	Get the the symbol for start of the section for this unit.
MCSymbol *	getEndLabel () const
llvm::dwarf::SourceLanguage	getSourceLanguage () 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.
void	addGlobalType (const DIType Ty, const DIE &Die, const DIScope Context)
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 (DIEValueList &Die, std::optional< dwarf::Form > Form, int64_t Integer)
void	addInt (DIE &Die, dwarf::Attribute Attribute, const APInt &Integer, bool Unsigned)
	Add an integer attribute data and value; value may be any width.
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, unsigned Column, 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)
virtual DIE *	getOrCreateSubprogramDIE (const DISubprogram SP, const Function FnHint, 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.
virtual DIE *	getOrCreateTypeDIE (const MDNode *TyNode)
	Find existing DIE or create new DIE for the given type.
virtual DIE *	getOrCreateContextDIE (const DIScope *Context)
	Get context owner's DIE.
void	constructContainingTypeDIEs ()
	Construct DIEs for types that contain vtables.
std::optional< unsigned >	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
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.
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.
void	updateAcceleratorTables (const DIScope Context, const DIType Ty, const DIE &TyDIE)
	If this is a named finished type then include it in the list of types for the accelerator tables.
Public Member Functions inherited from llvm::DIEUnit
LLVM_ABI	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.
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

Additional Inherited Members
Protected Member Functions inherited from llvm::DwarfUnit
	DwarfUnit (dwarf::Tag, const DICompileUnit Node, AsmPrinter A, DwarfDebug DW, DwarfFile DWU, unsigned UniqueID=0)
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 () override
DIE *	getOrCreateStaticMemberDIE (const DIDerivedType *DT)
	Create new static data member DIE.
void	emitCommonHeader (bool UseOffsets, dwarf::UnitType UT)
	Emit the common part of the header for this unit.
bool	shouldPlaceInUnitDIE (const DISubprogram *SP, bool Minimal)
DIE *	getOrCreateSubprogramContextDIE (const DISubprogram *SP, bool IgnoreScope)
Protected Member Functions inherited from llvm::DIEUnit
virtual	~DIEUnit ()=default
	.debug_info or .debug_types absolute section offset.
Protected Attributes inherited from llvm::DwarfUnit
unsigned	UniqueID
	A numeric ID unique among all CUs in the module.
const DICompileUnit *	CUNode
	MDNode for the compile unit.
BumpPtrAllocator	DIEValueAllocator
AsmPrinter *	Asm
	Target of Dwarf emission.
MCSymbol *	LabelBegin = nullptr
	The start of the unit within its section.
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

Definition at line 411 of file DwarfUnit.h.

Constructor & Destructor Documentation

◆ DwarfTypeUnit()

DwarfTypeUnit::DwarfTypeUnit	(	DwarfCompileUnit &	CU,
		AsmPrinter *	A,
		DwarfDebug *	DW,
		DwarfFile *	DWU,
		unsigned	UniqueID,
		MCDwarfDwoLineTable *	SplitLineTable = nullptr )