LLVM 20.0.0git
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:
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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
 
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 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 (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.
 
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.
 
DIE * 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.
 
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
 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, 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 ()
 
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

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

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,
unsigned  UniqueID = 0 
)
protected

Definition at line 83 of file DwarfUnit.cpp.

◆ ~DwarfUnit()

DwarfUnit::~DwarfUnit ( )
protected

Definition at line 95 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 534 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 905 of file DwarfUnit.cpp.

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

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 84 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 404 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 391 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::updateSubprogramScopeDIE().

◆ addBlock() [3/3]

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

Definition at line 397 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 454 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 468 of file DwarfUnit.cpp.

References addUInt(), and Unsigned.

◆ addConstantValue() [2/5]

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

Definition at line 479 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 475 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 459 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 464 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 353 of file DwarfUnit.cpp.

References addDIEEntry().

Referenced by addDIEEntry(), addType(), applySubprogramAttributes(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::constructAbstractSubprogramScopeDIE(), llvm::DwarfCompileUnit::constructCallSiteEntryDIE(), constructContainingTypeDIEs(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), 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 368 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 357 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 214 of file DwarfUnit.cpp.

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

Referenced by addDIETypeSignature(), llvm::DwarfCompileUnit::applyCommonDbgVariableAttributes(), 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 668 of file DwarfUnit.cpp.

References addGlobalTypeImpl().

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.

Referenced by addGlobalType().

◆ addLabel() [1/2]

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

Definition at line 285 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 280 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 347 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 508 of file DwarfUnit.cpp.

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

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

◆ 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 332 of file DwarfUnit.cpp.

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

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

◆ addPoolOpAddress()

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

Definition at line 307 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 1919 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 1874 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 1880 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(), 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 289 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 242 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 235 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::updateSubprogramScopeDIE().

◆ addSourceLine() [1/7]

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

Definition at line 424 of file DwarfUnit.cpp.

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

◆ addSourceLine() [2/7]

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

Definition at line 436 of file DwarfUnit.cpp.

References addSourceLine(), and assert().

◆ addSourceLine() [3/7]

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

Definition at line 418 of file DwarfUnit.cpp.

References addSourceLine(), and assert().

◆ addSourceLine() [4/7]

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

Definition at line 448 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 430 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 442 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 409 of file DwarfUnit.cpp.

References addUInt(), and getOrCreateSourceID().

Referenced by 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 247 of file DwarfUnit.cpp.

References addAttribute(), Asm, CUNode, DD, DIEValueAllocator, DU, llvm::DwarfStringPool::getEntry(), llvm::DwarfStringPool::getIndexedEntry(), llvm::DwarfFile::getStringPool(), llvm::DICompileUnit::isDebugDirectivesOnly(), llvm::String, llvm::DwarfDebug::useInlineStrings(), 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 1912 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 516 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 527 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 675 of file DwarfUnit.cpp.

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

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

◆ addUInt() [1/2]

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

Definition at line 230 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 221 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(), llvm::DwarfCompileUnit::applyCommonDbgVariableAttributes(), applySubprogramAttributes(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), constructTypeDIE(), llvm::DwarfCompileUnit::createBaseTypeDIEs(), llvm::DwarfCompileUnit::getOrCreateGlobalVariableDIE(), getOrCreateModule(), getOrCreateStaticMemberDIE(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().

◆ applySubprogramAttributes()

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

Definition at line 1304 of file DwarfUnit.cpp.

References addAccess(), addAnnotation(), addBlock(), addDIEEntry(), 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 1251 of file DwarfUnit.cpp.

References addDIEEntry(), addLinkageName(), addTemplateParams(), addType(), addUInt(), assert(), DD, DU, llvm::StringRef::empty(), llvm::DwarfFile::getAbstractScopeDIEs(), 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 1646 of file DwarfUnit.cpp.

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

◆ constructSubprogramArguments()

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

Construct function argument DIEs.

Returns
DIE of the object pointer if one exists. Nullptr otherwise.

Definition at line 852 of file DwarfUnit.cpp.

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

Referenced by applySubprogramAttributes().

◆ constructTypeDIE()

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

Definition at line 926 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::DICompositeType::getIdentifier(), llvm::DIType::getName(), llvm::DIType::getNumExtraInhabitants(), getOrCreateContextDIE(), getOrCreateStaticMemberDIE(), getOrCreateSubprogramDIE(), getOrCreateTypeDIE(), llvm::DICompositeType::getRawIdentifier(), 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::DIType::isObjcClassComplete(), llvm::DIType::isTypePassByReference(), llvm::DIType::isTypePassByValue(), llvm::DebugHandlerBase::isUnsignedDIType(), Name, llvm::TargetMachine::Options, Size, llvm::Tag, 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 384 of file DwarfUnit.cpp.

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

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 560 of file DwarfUnit.cpp.

References constructTypeDIE(), createAndAddDIE(), getDIE(), getOrCreateContextDIE(), llvm::DIType::getScope(), llvm::DINode::getTag(), 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 576 of file DwarfUnit.cpp.

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

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 1821 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, llvm::DwarfDebug::useSectionsAsReferences(), 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 103 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 111 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 196 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(), llvm::DwarfCompileUnit::getOrCreateImportedEntityDIE(), getOrCreateModule(), getOrCreateNameSpace(), getOrCreateStaticMemberDIE(), getOrCreateSubprogramDIE(), and getOrCreateTypeDIE().

◆ getDIELoc()

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

Returns a fresh newly allocated DIELoc.

Definition at line 144 of file DwarfUnit.h.

References DIEValueAllocator.

Referenced by applySubprogramAttributes().

◆ getDwarfDebug()

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

Definition at line 112 of file DwarfUnit.h.

References DD.

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

◆ getEndLabel()

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

Definition at line 109 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 285 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().

◆ getLabelBegin()

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

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

Definition at line 105 of file DwarfUnit.h.

References assert(), and LabelBegin.

Referenced by llvm::emitDWARF5AccelTable().

◆ getLanguage()

uint16_t llvm::DwarfUnit::getLanguage ( ) const
inline

Definition at line 110 of file DwarfUnit.h.

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

Referenced by applySubprogramAttributes(), and getParentContextString().

◆ getOrCreateContextDIE()

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

Get context owner's DIE.

Reimplemented in llvm::DwarfCompileUnit.

Definition at line 546 of file DwarfUnit.cpp.

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

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

◆ getOrCreateModule()

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

Definition at line 1188 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 1167 of file DwarfUnit.cpp.

References llvm::DwarfDebug::addAccelNamespace(), addFlag(), addGlobalName(), addString(), createAndAddDIE(), CUNode, DD, getDIE(), llvm::DINamespace::getExportSymbols(), llvm::DINamespace::getName(), llvm::DICompileUnit::getNameTableKind(), 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 1778 of file DwarfUnit.cpp.

References addAccess(), addConstantFPValue(), addConstantValue(), addFlag(), addSourceLine(), addString(), addType(), addUInt(), assert(), createAndAddDIE(), getDIE(), getOrCreateContextDIE(), llvm::DIE::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 1219 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)
virtual

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

Definition at line 612 of file DwarfUnit.cpp.

References assert(), 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 681 of file DwarfUnit.cpp.

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

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

◆ getUniqueID()

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

Gets Unique ID for this unit.

Definition at line 101 of file DwarfUnit.h.

References UniqueID.

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

◆ hasContent()

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

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

Definition at line 115 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 202 of file DwarfUnit.cpp.

References D, DU, llvm::DwarfFile::insertDIE(), 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 210 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 181 of file DwarfUnit.cpp.

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

Referenced by getDIE(), and insertDIE().

◆ 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 639 of file DwarfUnit.cpp.

References llvm::DwarfDebug::addAccelType(), addGlobalType(), CUNode, DD, llvm::dwarf::DW_FLAG_type_implementation, llvm::StringRef::empty(), llvm::DIType::getName(), llvm::DICompileUnit::getNameTableKind(), and llvm::DIType::isForwardDecl().

Referenced by createTypeDIE().

◆ useSegmentedStringOffsetsTable()

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

Definition at line 279 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 46 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::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 74 of file DwarfUnit.h.

Referenced by applySubprogramAttributes(), and constructContainingTypeDIEs().

◆ CUNode

const DICompileUnit* llvm::DwarfUnit::CUNode
protected

MDNode for the compile unit.

Definition at line 40 of file DwarfUnit.h.

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

◆ DD

DwarfDebug* llvm::DwarfUnit::DD
protected

Definition at line 55 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::constructCallSiteEntryDIE(), llvm::DwarfCompileUnit::constructImportedEntityDIE(), llvm::DwarfCompileUnit::constructInlinedScopeDIE(), llvm::DwarfCompileUnit::constructLexicalScopeDIE(), llvm::DwarfCompileUnit::constructScopeDIE(), constructTypeDIE(), llvm::DwarfCompileUnit::createAndAddScopeChildren(), 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(), 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 66 of file DwarfUnit.h.

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

◆ DIELocs

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

A list of all the DIELocs in use.

Definition at line 69 of file DwarfUnit.h.

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

◆ DIEValueAllocator

BumpPtrAllocator llvm::DwarfUnit::DIEValueAllocator
protected

Definition at line 43 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(), llvm::DwarfCompileUnit::constructVariableDIE(), createAndAddDIE(), llvm::DwarfCompileUnit::createBaseTypeDIEs(), getDIELoc(), and llvm::DwarfCompileUnit::updateSubprogramScopeDIE().

◆ DU

DwarfFile* llvm::DwarfUnit::DU
protected

Definition at line 56 of file DwarfUnit.h.

Referenced by addRnglistsBase(), llvm::DwarfCompileUnit::addScopeRangeList(), addString(), addStringOffsetsStart(), applySubprogramDefinitionAttributes(), llvm::DwarfCompileUnit::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 52 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 59 of file DwarfUnit.h.

◆ LabelBegin

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

The start of the unit within its section.

Definition at line 49 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 63 of file DwarfUnit.h.

Referenced by getDIE(), and insertDIE().

◆ UniqueID

unsigned llvm::DwarfUnit::UniqueID
protected

A numeric ID unique among all CUs in the module.

Definition at line 38 of file DwarfUnit.h.

Referenced by getUniqueID().

The documentation for this class was generated from the following files:
Generated on Thu Jul 17 2025 19:16:18 for LLVM by doxygen 1.9.6