LLVM 24.0.0git
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
llvm::DwarfUnit Class Referenceabstract

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

#include "CodeGen/AsmPrinter/DwarfUnit.h"

Inheritance diagram for llvm::DwarfUnit:
[legend]

Public Member Functions

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
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 addGlobalTypeImpl (const DIType *Ty, const DIE &Die, const DIScope *Context)=0
 Add a new global type to the compile unit.
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 addBlock (DIE &Die, dwarf::Attribute Attribute, const DIExpression *Expr)
 Add an expression as block data.
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 addSourceLine (DIE &Die, const DIProperty *P)
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.
void constructPropertyForwardDIEs ()
std::optional< unsigned > constructSubprogramArguments (DIE &Buffer, DITypeArray 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 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

Protected Member Functions

 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.
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.
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

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.
DenseMap< DIE *, const DINode * > PropertyForwardMap

Detailed Description

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

Definition at line 36 of file DwarfUnit.h.

Constructor & Destructor Documentation

◆ DwarfUnit()

DwarfUnit::DwarfUnit ( dwarf::Tag UnitTag,
const DICompileUnit * Node,
AsmPrinter * A,
DwarfDebug * DW,
DwarfFile * DWU,
unsigned UniqueID = 0 )
protected

Definition at line 86 of file DwarfUnit.cpp.

References A(), Asm, CUNode, DD, llvm::DIEUnit::DIEUnit(), DU, and UniqueID.

Referenced by addDIEEntry(), llvm::DwarfCompileUnit::DwarfCompileUnit(), llvm::DwarfTypeUnit::DwarfTypeUnit(), getOrCreateStaticMemberDIE(), getOrCreateSubprogramDIE(), and getOrCreateTypeDIE().

◆ ~DwarfUnit()

DwarfUnit::~DwarfUnit ( )
overrideprotected

Definition at line 98 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 585 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 998 of file DwarfUnit.cpp.

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

Referenced by llvm::DwarfCompileUnit::applyCommonDbgVariableAttributes(), applySubprogramAttributes(), 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 86 of file DwarfUnit.h.

References Asm, llvm::dwarf::AttributeVersion(), DD, DIEValueAllocator, and T.

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

◆ addBlock() [1/4]

void DwarfUnit::addBlock ( DIE & Die,
dwarf::Attribute Attribute,
const DIExpression * Expr )

Add an expression as block data.

Definition at line 459 of file DwarfUnit.cpp.

References addBlock(), llvm::DwarfExpression::addExpression(), Asm, DIEValueAllocator, llvm::DIEDwarfExpression::finalize(), getCU(), and llvm::DwarfExpression::setMemoryLocationKind().

◆ addBlock() [2/4]

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

Add block data.

Definition at line 454 of file DwarfUnit.cpp.

References addBlock(), and llvm::Block.

◆ addBlock() [3/4]

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

Add block data.

Definition at line 441 of file DwarfUnit.cpp.

References addAttribute(), Asm, DD, and DIELocs.

Referenced by addBlock(), addBlock(), llvm::DwarfCompileUnit::addComplexAddress(), llvm::DwarfCompileUnit::addLabelAddress(), llvm::DwarfCompileUnit::addLocationAttribute(), applySubprogramAttributes(), llvm::DwarfCompileUnit::constructCallSiteParmEntryDIEs(), constructTypeDIE(), getOrCreateStaticMemberDIE(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().

◆ addBlock() [4/4]

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

Definition at line 447 of file DwarfUnit.cpp.

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

◆ addConstantFPValue()

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

Add constant value entry in variable DIE.

Definition at line 523 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 537 of file DwarfUnit.cpp.

References addUInt(), and llvm::Unsigned.

◆ addConstantValue() [2/5]

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

Definition at line 548 of file DwarfUnit.cpp.

References addConstantValue(), llvm::APInt::getBitWidth(), llvm::APInt::getSExtValue(), llvm::APInt::getZExtValue(), and llvm::Unsigned.

◆ addConstantValue() [3/5]

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

Definition at line 544 of file DwarfUnit.cpp.

References addConstantValue(), and DD.

◆ addConstantValue() [4/5]

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

Add constant value entry in variable DIE.

Definition at line 528 of file DwarfUnit.cpp.

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

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

◆ addConstantValue() [5/5]

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

Definition at line 533 of file DwarfUnit.cpp.

References addConstantValue(), and DD.

◆ addDIEEntry() [1/2]

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

Add a DIE attribute data and value.

Definition at line 403 of file DwarfUnit.cpp.

References addDIEEntry().

Referenced by addDIEEntry(), addType(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::attachLexicalScopesAbstractOrigins(), llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), constructContainingTypeDIEs(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), constructPropertyForwardDIEs(), llvm::DwarfCompileUnit::constructSubprogramScopeDIE(), 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 418 of file DwarfUnit.cpp.

References addAttribute(), assert(), DD, llvm::DIEUnit::DIEUnit(), DwarfUnit(), 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 407 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 224 of file DwarfUnit.cpp.

References addAttribute(), and DD.

Referenced by addDIETypeSignature(), llvm::DwarfCompileUnit::applyCommonDbgVariableAttributes(), llvm::DwarfCompileUnit::applyLabelAttributes(), applySubprogramAttributes(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), constructSubprogramArguments(), constructTypeDIE(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateModule(), getOrCreateNameSpace(), getOrCreateStaticMemberDIE(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().

◆ 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()

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

Definition at line 723 of file DwarfUnit.cpp.

References addGlobalTypeImpl(), and llvm::isa().

Referenced by createTypeDIE(), and updateAcceleratorTables().

◆ addGlobalTypeImpl()

virtual void llvm::DwarfUnit::addGlobalTypeImpl ( 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.

References D().

Referenced by addGlobalType().

◆ addInt()

void DwarfUnit::addInt ( DIE & Die,
dwarf::Attribute Attribute,
const APInt & Integer,
bool Unsigned )

Add an integer attribute data and value; value may be any width.

Definition at line 271 of file DwarfUnit.cpp.

References addSInt(), addUInt(), llvm::APInt::getBitWidth(), llvm::APInt::getSExtValue(), llvm::APInt::getZExtValue(), and llvm::Unsigned.

◆ addLabel() [1/2]

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

Definition at line 335 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 330 of file DwarfUnit.cpp.

References addAttribute().

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

◆ 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 397 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 559 of file DwarfUnit.cpp.

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

Referenced by llvm::DwarfCompileUnit::addLinkageNamesToDeclarations(), 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 382 of file DwarfUnit.cpp.

References addLabel(), addPoolOpAddress(), addUInt(), and DD.

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

◆ addPoolOpAddress()

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

Definition at line 357 of file DwarfUnit.cpp.

References addLabelDelta(), addUInt(), llvm::sampleprof::Base, and DD.

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 2209 of file DwarfUnit.cpp.

References addSectionLabel(), Asm, assert(), DD, DU, llvm::MCSection::getBeginSymbol(), llvm::MCObjectFileInfo::getDwarfRnglistsSection(), and llvm::DIEUnit::getUnitDie().

◆ addSectionLabel()

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

Add a Dwarf section label attribute data and value.

If the current unit is a DWO, this function will instead emit a section delta.

Definition at line 2168 of file DwarfUnit.cpp.

References addLabel(), Asm, and DD.

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

◆ 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 339 of file DwarfUnit.cpp.

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

◆ addSInt() [1/2]

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 285 of file DwarfUnit.cpp.

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

Referenced by addInt(), llvm::DwarfCompileUnit::addLocationAttribute(), addSInt(), applySubprogramAttributes(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().

◆ addSInt() [2/2]

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

Definition at line 292 of file DwarfUnit.cpp.

References addSInt(), and llvm::Integer.

◆ addSourceLine() [1/8]

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

Definition at line 487 of file DwarfUnit.cpp.

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

◆ addSourceLine() [2/8]

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

Definition at line 499 of file DwarfUnit.cpp.

References addSourceLine(), and assert().

◆ addSourceLine() [3/8]

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

Definition at line 481 of file DwarfUnit.cpp.

References addSourceLine(), and assert().

◆ addSourceLine() [4/8]

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

Definition at line 511 of file DwarfUnit.cpp.

References addSourceLine(), and assert().

◆ addSourceLine() [5/8]

void DwarfUnit::addSourceLine ( DIE & Die,
const DIProperty * P )

Definition at line 517 of file DwarfUnit.cpp.

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

◆ addSourceLine() [6/8]

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

Definition at line 493 of file DwarfUnit.cpp.

References addSourceLine(), and assert().

◆ addSourceLine() [7/8]

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

Definition at line 505 of file DwarfUnit.cpp.

References addSourceLine(), and assert().

◆ addSourceLine() [8/8]

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

Add location information to specified debug information entry.

Definition at line 468 of file DwarfUnit.cpp.

References addUInt(), and getOrCreateSourceID().

Referenced by addSourceLine(), addSourceLine(), addSourceLine(), addSourceLine(), addSourceLine(), addSourceLine(), addSourceLine(), llvm::DwarfCompileUnit::applyCommonDbgVariableAttributes(), llvm::DwarfCompileUnit::applyLabelAttributes(), applySubprogramAttributes(), 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 297 of file DwarfUnit.cpp.

References addAttribute(), Asm, CUNode, DD, DIEValueAllocator, DU, llvm::String, and useSegmentedStringOffsetsTable().

Referenced by addAnnotation(), llvm::DwarfDebug::addDwarfTypeUnitType(), addLinkageName(), llvm::DwarfCompileUnit::applyCommonDbgVariableAttributes(), llvm::DwarfCompileUnit::applyLabelAttributes(), applySubprogramAttributes(), 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 2202 of file DwarfUnit.cpp.

References addSectionLabel(), Asm, DU, llvm::MCSection::getBeginSymbol(), llvm::MCObjectFileInfo::getDwarfStrOffSection(), 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 567 of file DwarfUnit.cpp.

References llvm::dyn_cast().

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

◆ addThrownTypes()

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

Add thrown types.

Definition at line 578 of file DwarfUnit.cpp.

References addType(), llvm::cast(), 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 730 of file DwarfUnit.cpp.

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

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

◆ addUInt() [1/2]

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

Definition at line 240 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 231 of file DwarfUnit.cpp.

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

Referenced by addAccess(), llvm::DwarfCompileUnit::addComplexAddress(), addConstantValue(), llvm::DwarfDebug::addDwarfTypeUnitType(), addInt(), llvm::DwarfCompileUnit::addLocationAttribute(), addOpAddress(), addPoolOpAddress(), llvm::DwarfCompileUnit::addScopeRangeList(), addSectionOffset(), addSourceLine(), addUInt(), llvm::DwarfCompileUnit::applyCommonDbgVariableAttributes(), llvm::DwarfCompileUnit::applyLabelAttributes(), applySubprogramAttributes(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), constructTypeDIE(), llvm::DwarfCompileUnit::createBaseTypeDIEs(), llvm::NVPTXDwarfDebug::finishTargetUnitAttributes(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateModule(), getOrCreateStaticMemberDIE(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().

◆ applySubprogramAttributes()

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

Definition at line 1468 of file DwarfUnit.cpp.

References addAccess(), addAnnotation(), addBlock(), addFlag(), addSInt(), addSourceLine(), addString(), addThrownTypes(), addType(), addUInt(), applySubprogramDefinitionAttributes(), Asm, assert(), llvm::Block, constructSubprogramArguments(), ContainingTypeMap, CUNode, DD, getDIELoc(), getDwarfDebug(), getDwarfVersion(), getSourceLanguage(), llvm::isa(), and llvm::dwarf::isC().

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

◆ applySubprogramDefinitionAttributes()

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

Definition at line 1417 of file DwarfUnit.cpp.

References addDIEEntry(), addLinkageName(), addTemplateParams(), addType(), addUInt(), assert(), DD, DU, getDIE(), getOrCreateSourceID(), and llvm::LinkageName.

Referenced by applySubprogramAttributes().

◆ constructContainingTypeDIEs()

void DwarfUnit::constructContainingTypeDIEs ( )

Construct DIEs for types that contain vtables.

Definition at line 1858 of file DwarfUnit.cpp.

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

◆ constructPropertyForwardDIEs()

void DwarfUnit::constructPropertyForwardDIEs ( )

Definition at line 2040 of file DwarfUnit.cpp.

References addDIEEntry(), getDIE(), P, and PropertyForwardMap.

◆ constructSubprogramArguments()

std::optional< unsigned > DwarfUnit::constructSubprogramArguments ( DIE & Buffer,
DITypeArray Args )

Construct function argument DIEs.

Returns
The index of the object parameter in Args if one exists. Returns std::nullopt otherwise.

Definition at line 943 of file DwarfUnit.cpp.

References addFlag(), addType(), assert(), createAndAddDIE(), and N.

Referenced by applySubprogramAttributes().

◆ constructTypeDIE()

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

Definition at line 1056 of file DwarfUnit.cpp.

References addAccess(), addAnnotation(), addBlock(), addDIEEntry(), addFlag(), addSourceLine(), addString(), addTemplateParams(), addType(), addUInt(), Asm, constructTypeDIE(), createAndAddDIE(), DD, llvm::dyn_cast(), llvm::dyn_cast_or_null(), llvm::StringRef::empty(), llvm::DIType::getAlignInBytes(), llvm::DICompositeType::getAnnotations(), getCU(), getDIE(), llvm::DICompositeType::getDiscriminator(), llvm::DICompositeType::getElements(), llvm::DIType::getExportSymbols(), llvm::DIType::getFlags(), llvm::DICompositeType::getIdentifier(), llvm::DIType::getName(), llvm::DIType::getNumExtraInhabitants(), getOrCreateContextDIE(), getOrCreateStaticMemberDIE(), getOrCreateSubprogramDIE(), getOrCreateTypeDIE(), llvm::DICompositeType::getRawIdentifier(), llvm::DIType::getRawSizeInBits(), llvm::DICompositeType::getRuntimeLang(), llvm::DIType::getSizeInBits(), llvm::DICompositeType::getSpecification(), llvm::DIE::getTag(), llvm::DICompositeType::getTemplateParams(), llvm::DICompositeType::getVTableHolder(), llvm::DIType::isAppleBlockExtension(), llvm::DIType::isForwardDecl(), llvm::DICompositeType::isNameSimplified(), llvm::DIType::isObjcClassComplete(), llvm::DIType::isTypePassByReference(), llvm::DIType::isTypePassByValue(), Size, and llvm::Tag.

Referenced by constructTypeDIE(), createTypeDIE(), 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 434 of file DwarfUnit.cpp.

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

Referenced by addAnnotation(), addThrownTypes(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), constructSubprogramArguments(), constructTypeDIE(), createTypeDIE(), 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 611 of file DwarfUnit.cpp.

References llvm::cast(), constructTypeDIE(), createAndAddDIE(), getDIE(), getOrCreateContextDIE(), and updateAcceleratorTables().

◆ createTypeDIE() [2/2]

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

Creates type DIE with specific context.

Definition at line 627 of file DwarfUnit.cpp.

References addGlobalType(), llvm::cast(), constructTypeDIE(), createAndAddDIE(), DD, llvm::dyn_cast(), getCU(), and updateAcceleratorTables().

Referenced by llvm::DwarfDebug::addDwarfTypeUnitType().

◆ emitCommonHeader()

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

Emit the common part of the header for this unit.

Definition at line 2109 of file DwarfUnit.cpp.

References Asm, DD, EndLabel, llvm::MCSection::getBeginSymbol(), llvm::MCObjectFileInfo::getDwarfAbbrevSection(), getHeaderSize(), getSize(), llvm::DIEUnit::getUnitDie(), and llvm::Version.

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 105 of file DwarfUnit.h.

References Asm.

◆ getCU()

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

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

Referenced by addBlock(), constructTypeDIE(), and createTypeDIE().

◆ getCUNode()

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

Definition at line 113 of file DwarfUnit.h.

References CUNode.

Referenced by llvm::DwarfTypeUnit::DwarfTypeUnit(), 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 206 of file DwarfUnit.cpp.

References D(), DU, isShareableAcrossCUs(), and MDNodeToDieMap.

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

◆ getDIELoc()

DIELoc * llvm::DwarfUnit::getDIELoc ( )
inline

Returns a fresh newly allocated DIELoc.

Definition at line 143 of file DwarfUnit.h.

References DIEValueAllocator.

Referenced by applySubprogramAttributes().

◆ getDwarfDebug()

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

Definition at line 114 of file DwarfUnit.h.

References DD.

Referenced by applySubprogramAttributes(), and llvm::DwarfCompileUnit::finishEntityDefinition().

◆ getEndLabel()

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

Definition at line 111 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 300 of file DwarfUnit.h.

References Asm, and DD.

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

◆ getLabelBegin()

MCSymbol * llvm::DwarfUnit::getLabelBegin ( ) const
inline

Get the the symbol for start of the section for this unit.

Definition at line 107 of file DwarfUnit.h.

References assert(), and LabelBegin.

Referenced by llvm::emitDWARF5AccelTable().

◆ getOrCreateContextDIE()

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

Get context owner's DIE.

Reimplemented in llvm::DwarfCompileUnit.

Definition at line 597 of file DwarfUnit.cpp.

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

Referenced by constructTypeDIE(), createTypeDIE(), llvm::DwarfCompileUnit::getOrCreateContextDIE(), getOrCreateModule(), getOrCreateNameSpace(), getOrCreateStaticMemberDIE(), getOrCreateSubprogramContextDIE(), and getOrCreateTypeDIE().

◆ getOrCreateModule()

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

Definition at line 1348 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 1327 of file DwarfUnit.cpp.

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

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 2053 of file DwarfUnit.cpp.

References addAccess(), addBlock(), addConstantFPValue(), addConstantValue(), addFlag(), addSourceLine(), addString(), addType(), addUInt(), Asm, assert(), llvm::Block, createAndAddDIE(), DIEValueAllocator, DwarfUnit(), llvm::dyn_cast_or_null(), llvm::DIType::getAlignInBytes(), llvm::DIDerivedType::getConstant(), getDIE(), llvm::DIType::getFlags(), llvm::DIType::getName(), getOrCreateContextDIE(), llvm::DIType::getScope(), llvm::DIE::getTag(), llvm::DINode::getTag(), llvm::DIE::getUnit(), I, llvm::DIType::isArtificial(), and llvm::dwarf::isType().

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

◆ getOrCreateSubprogramContextDIE()

DIE * llvm::DwarfUnit::getOrCreateSubprogramContextDIE ( const DISubprogram * SP,
bool IgnoreScope )
inlineprotected

Definition at line 355 of file DwarfUnit.h.

References getOrCreateContextDIE(), and llvm::DIEUnit::getUnitDie().

Referenced by getOrCreateSubprogramDIE().

◆ getOrCreateSubprogramDIE()

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

Reimplemented in llvm::DwarfCompileUnit.

Definition at line 1379 of file DwarfUnit.cpp.

References createAndAddDIE(), DwarfUnit(), getDIE(), getOrCreateSubprogramContextDIE(), getOrCreateSubprogramDIE(), llvm::DIE::getUnit(), and shouldPlaceInUnitDIE().

Referenced by constructTypeDIE(), getOrCreateContextDIE(), llvm::DwarfCompileUnit::getOrCreateSubprogramDIE(), and getOrCreateSubprogramDIE().

◆ getOrCreateTypeDIE()

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

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

Definition at line 667 of file DwarfUnit.cpp.

References assert(), llvm::cast(), DD, DwarfUnit(), getBaseType(), getDIE(), 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 749 of file DwarfUnit.cpp.

References llvm::DIScope::getScope(), getSourceLanguage(), llvm::isa(), llvm::dwarf::isCPlusPlus(), and llvm::reverse().

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

◆ getSourceLanguage()

llvm::dwarf::SourceLanguage DwarfUnit::getSourceLanguage ( ) const

Definition at line 737 of file DwarfUnit.cpp.

References llvm::dwarf::DW_LANG_hi_user, and llvm::dwarf::toDW_LANG().

Referenced by applySubprogramAttributes(), and getParentContextString().

◆ getUniqueID()

unsigned llvm::DwarfUnit::getUniqueID ( ) const
inline

Gets Unique ID for this unit.

Definition at line 103 of file DwarfUnit.h.

References UniqueID.

Referenced by llvm::DwarfCompileUnit::getOrCreateSourceID(), and llvm::DwarfCompileUnit::initStmtList().

◆ 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 212 of file DwarfUnit.cpp.

References D(), DU, isShareableAcrossCUs(), and MDNodeToDieMap.

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

◆ insertDIE() [2/2]

void DwarfUnit::insertDIE ( DIE * D)

Definition at line 220 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 184 of file DwarfUnit.cpp.

References llvm::cast(), D(), DD, and llvm::isa().

Referenced by getDIE(), and insertDIE().

◆ shouldPlaceInUnitDIE()

bool llvm::DwarfUnit::shouldPlaceInUnitDIE ( const DISubprogram * SP,
bool Minimal )
inlineprotected

Definition at line 350 of file DwarfUnit.h.

Referenced by getOrCreateSubprogramDIE().

◆ updateAcceleratorTables()

void DwarfUnit::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.

Definition at line 694 of file DwarfUnit.cpp.

References addGlobalType(), CUNode, DD, llvm::dwarf::DW_FLAG_type_implementation, and llvm::dyn_cast().

Referenced by createTypeDIE(), and createTypeDIE().

◆ useSegmentedStringOffsetsTable()

bool llvm::DwarfUnit::useSegmentedStringOffsetsTable ( ) const
inline

Definition at line 294 of file DwarfUnit.h.

References DD.

Referenced by addString().

Member Data Documentation

◆ Asm

AsmPrinter* llvm::DwarfUnit::Asm
protected

Target of Dwarf emission.

Definition at line 47 of file DwarfUnit.h.

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

◆ 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 75 of file DwarfUnit.h.

Referenced by applySubprogramAttributes(), and constructContainingTypeDIEs().

◆ CUNode

const DICompileUnit* llvm::DwarfUnit::CUNode
protected

MDNode for the compile unit.

Definition at line 41 of file DwarfUnit.h.

Referenced by llvm::DwarfCompileUnit::addLocationAttribute(), addString(), applySubprogramAttributes(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), llvm::DwarfCompileUnit::DwarfCompileUnit(), DwarfUnit(), llvm::DwarfCompileUnit::finishEntityDefinition(), getCUNode(), getOrCreateNameSpace(), llvm::DwarfCompileUnit::hasDwarfPubSections(), llvm::DwarfCompileUnit::initStmtList(), updateAcceleratorTables(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().

◆ DD

DwarfDebug* llvm::DwarfUnit::DD
protected

Definition at line 56 of file DwarfUnit.h.

Referenced by llvm::DwarfCompileUnit::addAddrTableBase(), addAttribute(), addBlock(), addConstantValue(), addConstantValue(), addDIEEntry(), addFlag(), llvm::DwarfCompileUnit::addLabelAddress(), addLinkageName(), llvm::DwarfCompileUnit::addLinkageNamesToDeclarations(), llvm::DwarfCompileUnit::addLocationAttribute(), llvm::DwarfCompileUnit::addLocationList(), addOpAddress(), addPoolOpAddress(), llvm::DwarfCompileUnit::addRange(), addRnglistsBase(), llvm::DwarfCompileUnit::addScopeRangeList(), addSectionLabel(), addSectionOffset(), addString(), applySubprogramAttributes(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::attachLowHighPC(), llvm::DwarfCompileUnit::attachRangesOrLowHighPC(), llvm::DwarfCompileUnit::attachRangesOrLowHighPC(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), llvm::DwarfCompileUnit::constructScopeDIE(), constructTypeDIE(), llvm::DwarfCompileUnit::createAndAddScopeChildren(), createTypeDIE(), DwarfUnit(), emitCommonHeader(), llvm::DwarfCompileUnit::emitHeader(), llvm::DwarfTypeUnit::emitHeader(), getDwarfDebug(), llvm::DwarfCompileUnit::getHeaderSize(), getHeaderSize(), llvm::DwarfCompileUnit::getOrCreateLexicalBlockDIE(), getOrCreateNameSpace(), llvm::DwarfCompileUnit::getOrCreateSourceID(), llvm::DwarfCompileUnit::getOrCreateSubprogramDIE(), getOrCreateTypeDIE(), llvm::DwarfCompileUnit::hasDwarfPubSections(), llvm::DwarfCompileUnit::includeMinimalInlineScopes(), llvm::DwarfCompileUnit::initStmtList(), isShareableAcrossCUs(), updateAcceleratorTables(), llvm::DwarfCompileUnit::updateSubprogramScopeDIE(), llvm::DwarfCompileUnit::useGNUAnalogForDwarf5Feature(), and useSegmentedStringOffsetsTable().

◆ DIEBlocks

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

A list of all the DIEBlocks in use.

Definition at line 67 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 70 of file DwarfUnit.h.

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

◆ DIEValueAllocator

BumpPtrAllocator llvm::DwarfUnit::DIEValueAllocator
protected

Definition at line 44 of file DwarfUnit.h.

Referenced by addAttribute(), llvm::DwarfCompileUnit::addBaseTypeRef(), addBlock(), llvm::DwarfCompileUnit::addComplexAddress(), llvm::DwarfCompileUnit::addLabelAddress(), addLabelDelta(), llvm::DwarfCompileUnit::addLocationAttribute(), addString(), llvm::DwarfCompileUnit::constructCallSiteParmEntryDIEs(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), llvm::DwarfCompileUnit::constructLabelDIE(), llvm::DwarfCompileUnit::constructSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructVariableDIE(), createAndAddDIE(), llvm::DwarfCompileUnit::createBaseTypeDIEs(), getDIELoc(), llvm::DwarfCompileUnit::getOrCreateLexicalBlockDIE(), getOrCreateStaticMemberDIE(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().

◆ DU

DwarfFile* llvm::DwarfUnit::DU
protected

Definition at line 57 of file DwarfUnit.h.

Referenced by addRnglistsBase(), llvm::DwarfCompileUnit::addScopeRangeList(), addString(), addStringOffsetsStart(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::createAbstractEntity(), llvm::DwarfCompileUnit::createAndAddScopeChildren(), DwarfUnit(), 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 53 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 60 of file DwarfUnit.h.

◆ LabelBegin

MCSymbol* llvm::DwarfUnit::LabelBegin = nullptr
protected

The start of the unit within its section.

Definition at line 50 of file DwarfUnit.h.

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

◆ 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 64 of file DwarfUnit.h.

Referenced by getDIE(), insertDIE(), and insertDIE().

◆ PropertyForwardMap

DenseMap<DIE *, const DINode *> llvm::DwarfUnit::PropertyForwardMap
protected

Definition at line 76 of file DwarfUnit.h.

Referenced by constructPropertyForwardDIEs().

◆ UniqueID

unsigned llvm::DwarfUnit::UniqueID
protected

A numeric ID unique among all CUs in the module.

Definition at line 39 of file DwarfUnit.h.

Referenced by llvm::DwarfTypeUnit::DwarfTypeUnit(), DwarfUnit(), and getUniqueID().

The documentation for this class was generated from the following files:
Generated on for LLVM by doxygen 1.14.0