llvm::dwarf Namespace Reference

Calculates the starting offsets for various sections within the .debug_names section. More...

Classes
class	CFIProgram
	Represent a sequence of Call Frame Information instructions that, when read in order, construct a table mapping PC to frame state. More...
class	CIE
	DWARF Common Information Entry (CIE) More...
struct	EnumTraits
struct	EnumTraits< Attribute >
struct	EnumTraits< Form >
struct	EnumTraits< Index >
struct	EnumTraits< LineNumberOps >
struct	EnumTraits< LocationAtom >
struct	EnumTraits< Tag >
class	FDE
	DWARF Frame Description Entry (FDE) More...
struct	FormParams
	A helper struct providing information about the byte size of DW_FORM values that vary in size depending on the DWARF version, address byte size, or DWARF32/DWARF64. More...
class	FrameEntry
	An entry in either debug_frame or eh_frame. More...
struct	PubIndexEntryDescriptor
	Describes an entry of the various gnu_pub* debug sections. More...
class	RegisterLocations
	A class that can track all registers with locations in a UnwindRow object. More...
class	UnwindLocation
	A class that represents a location for the Call Frame Address (CFA) or a register. More...
class	UnwindRow
	A class that represents a single row in the unwind table that is decoded by parsing the DWARF Call Frame Information opcodes. More...
class	UnwindTable
	A class that contains all UnwindRow objects for an FDE or a single unwind row for a CIE. More...

Enumerations
enum	LLVMConstants : uint32_t {   DW_TAG_invalid = ~0U , DW_VIRTUALITY_invalid = ~0U , DW_MACINFO_invalid = ~0U , DW_LENGTH_lo_reserved = 0xfffffff0 ,   DW_LENGTH_DWARF64 = 0xffffffff , DW_LENGTH_hi_reserved = 0xffffffff , DWARF_VERSION = 4 , DW_PUBTYPES_VERSION = 2 ,   DW_PUBNAMES_VERSION = 2 , DW_ARANGES_VERSION = 2 , DWARF_VENDOR_DWARF = 0 , DWARF_VENDOR_APPLE = 1 ,   DWARF_VENDOR_BORLAND = 2 , DWARF_VENDOR_GNU = 3 , DWARF_VENDOR_GOOGLE = 4 , DWARF_VENDOR_LLVM = 5 ,   DWARF_VENDOR_MIPS = 6 , DWARF_VENDOR_WASM = 7 , DWARF_VENDOR_ALTIUM , DWARF_VENDOR_COMPAQ ,   DWARF_VENDOR_GHS , DWARF_VENDOR_GO , DWARF_VENDOR_HP , DWARF_VENDOR_IBM ,   DWARF_VENDOR_INTEL , DWARF_VENDOR_PGI , DWARF_VENDOR_SUN , DWARF_VENDOR_UPC }
enum	DwarfFormat : uint8_t { DWARF32 , DWARF64 }
	Constants that define the DWARF format as 32 or 64 bit. More...
enum	Tag : uint16_t { DW_TAG_lo_user = 0x4080 , DW_TAG_hi_user = 0xffff , DW_TAG_user_base = 0x1000 }
enum	Attribute : uint16_t { DW_AT_lo_user = 0x2000 , DW_AT_hi_user = 0x3fff }
	Attributes. More...
enum	Form : uint16_t { DW_FORM_lo_user = 0x1f00 }
enum	LocationAtom {   DW_OP_lo_user = 0xe0 , DW_OP_hi_user = 0xff , DW_OP_LLVM_fragment = 0x1000 , DW_OP_LLVM_convert = 0x1001 ,   DW_OP_LLVM_tag_offset = 0x1002 , DW_OP_LLVM_entry_value = 0x1003 , DW_OP_LLVM_implicit_pointer = 0x1004 , DW_OP_LLVM_arg = 0x1005 ,   DW_OP_LLVM_extract_bits_sext = 0x1006 , DW_OP_LLVM_extract_bits_zext = 0x1007 }
enum	LlvmUserLocationAtom
enum	TypeKind : uint8_t { DW_ATE_lo_user = 0x80 , DW_ATE_hi_user = 0xff }
enum	DecimalSignEncoding {   DW_DS_unsigned = 0x01 , DW_DS_leading_overpunch = 0x02 , DW_DS_trailing_overpunch = 0x03 , DW_DS_leading_separate = 0x04 ,   DW_DS_trailing_separate = 0x05 }
enum	EndianityEncoding { DW_END_lo_user = 0x40 , DW_END_hi_user = 0xff }
enum	AccessAttribute { DW_ACCESS_public = 0x01 , DW_ACCESS_protected = 0x02 , DW_ACCESS_private = 0x03 }
enum	VisibilityAttribute { DW_VIS_local = 0x01 , DW_VIS_exported = 0x02 , DW_VIS_qualified = 0x03 }
enum	VirtualityAttribute { DW_VIRTUALITY_max = 0x02 }
enum	DefaultedMemberAttribute { DW_DEFAULTED_max = 0x02 }
enum	SourceLanguage { DW_LANG_lo_user = 0x8000 , DW_LANG_hi_user = 0xffff }
enum	SourceLanguageName : uint16_t
enum	CaseSensitivity { DW_ID_case_sensitive = 0x00 , DW_ID_up_case = 0x01 , DW_ID_down_case = 0x02 , DW_ID_case_insensitive = 0x03 }
enum	CallingConvention { DW_CC_lo_user = 0x40 , DW_CC_hi_user = 0xff }
enum	InlineAttribute { DW_INL_not_inlined = 0x00 , DW_INL_inlined = 0x01 , DW_INL_declared_not_inlined = 0x02 , DW_INL_declared_inlined = 0x03 }
enum	ArrayDimensionOrdering { DW_ORD_row_major = 0x00 , DW_ORD_col_major = 0x01 }
enum	DiscriminantList { DW_DSC_label = 0x00 , DW_DSC_range = 0x01 }
enum	LineNumberOps : uint8_t
	Line Number Standard Opcode Encodings. More...
enum	LineNumberExtendedOps { DW_LNE_lo_user = 0x80 , DW_LNE_hi_user = 0xff }
	Line Number Extended Opcode Encodings. More...
enum	LineNumberEntryFormat { DW_LNCT_lo_user = 0x2000 , DW_LNCT_hi_user = 0x3fff }
enum	MacinfoRecordType {   DW_MACINFO_define = 0x01 , DW_MACINFO_undef = 0x02 , DW_MACINFO_start_file = 0x03 , DW_MACINFO_end_file = 0x04 ,   DW_MACINFO_vendor_ext = 0xff }
enum	MacroEntryType { DW_MACRO_lo_user = 0xe0 , DW_MACRO_hi_user = 0xff }
	DWARF v5 macro information entry type encodings. More...
enum	GnuMacroEntryType { DW_MACRO_GNU_lo_user = 0xe0 , DW_MACRO_GNU_hi_user = 0xff }
	GNU .debug_macro macro information entry type encodings. More...
enum	RnglistEntries
	DWARF v5 range list entry encoding values. More...
enum	LoclistEntries
	DWARF v5 loc list entry encoding values. More...
enum	CallFrameInfo { DW_CFA_extended = 0x00 , DW_CFA_lo_user = 0x1c , DW_CFA_hi_user = 0x3f }
	Call frame instruction encodings. More...
enum	Constants {   DW_CHILDREN_no = 0x00 , DW_CHILDREN_yes = 0x01 , DW_EH_PE_absptr = 0x00 , DW_EH_PE_omit = 0xff ,   DW_EH_PE_uleb128 = 0x01 , DW_EH_PE_udata2 = 0x02 , DW_EH_PE_udata4 = 0x03 , DW_EH_PE_udata8 = 0x04 ,   DW_EH_PE_sleb128 = 0x09 , DW_EH_PE_sdata2 = 0x0A , DW_EH_PE_sdata4 = 0x0B , DW_EH_PE_sdata8 = 0x0C ,   DW_EH_PE_signed = 0x08 , DW_EH_PE_pcrel = 0x10 , DW_EH_PE_textrel = 0x20 , DW_EH_PE_datarel = 0x30 ,   DW_EH_PE_funcrel = 0x40 , DW_EH_PE_aligned = 0x50 , DW_EH_PE_indirect = 0x80 }
enum	ApplePropertyAttributes
	Constants for the DW_APPLE_PROPERTY_attributes attribute. More...
enum	UnitType : unsigned char { DW_UT_lo_user = 0x80 , DW_UT_hi_user = 0xff }
	Constants for unit types in DWARF v5. More...
enum	Index { DW_IDX_lo_user = 0x2000 , DW_IDX_hi_user = 0x3fff }
enum	AcceleratorTable {   DW_ATOM_null = 0u , DW_ATOM_die_offset = 1u , DW_ATOM_cu_offset = 2u , DW_ATOM_die_tag = 3u ,   DW_ATOM_type_flags = 4u , DW_ATOM_type_type_flags = 5u , DW_ATOM_qual_name_hash = 6u , DW_FLAG_type_implementation = 2u ,   DW_hash_function_djb = 0u }
enum	GDBIndexEntryKind {   GIEK_NONE , GIEK_TYPE , GIEK_VARIABLE , GIEK_FUNCTION ,   GIEK_OTHER , GIEK_UNUSED5 , GIEK_UNUSED6 , GIEK_UNUSED7 }
enum	GDBIndexEntryLinkage { GIEL_EXTERNAL , GIEL_STATIC }

Functions
bool	isType (Tag T)
std::optional< SourceLanguage >	toDW_LANG (SourceLanguageName name, uint32_t version)
	Convert a DWARF 6 pair of language name and version to a DWARF 5 DW_LANG.
std::optional< std::pair< SourceLanguageName, uint32_t > >	toDW_LNAME (SourceLanguage language)
	Convert a DWARF 5 DW_LANG to a DWARF 6 pair of language name and version.
llvm::StringRef	LanguageDescription (SourceLanguageName name)
bool	isCPlusPlus (SourceLanguage S)
bool	isFortran (SourceLanguage S)
bool	isC (SourceLanguage S)
TypeKind	getArrayIndexTypeEncoding (SourceLanguage S)
bool	isUnitType (uint8_t UnitType)
bool	isUnitType (dwarf::Tag T)
uint32_t	getDebugNamesBucketCount (uint32_t UniqueHashCount)
StringRef	TagString (unsigned Tag)
StringRef	ChildrenString (unsigned Children)
StringRef	AttributeString (unsigned Attribute)
StringRef	FormEncodingString (unsigned Encoding)
StringRef	OperationEncodingString (unsigned Encoding)
StringRef	SubOperationEncodingString (unsigned OpEncoding, unsigned SubOpEncoding)
StringRef	AttributeEncodingString (unsigned Encoding)
StringRef	DecimalSignString (unsigned Sign)
StringRef	EndianityString (unsigned Endian)
StringRef	AccessibilityString (unsigned Access)
StringRef	DefaultedMemberString (unsigned DefaultedEncodings)
StringRef	VisibilityString (unsigned Visibility)
StringRef	VirtualityString (unsigned Virtuality)
StringRef	LanguageString (unsigned Language)
StringRef	CaseString (unsigned Case)
StringRef	ConventionString (unsigned Convention)
StringRef	InlineCodeString (unsigned Code)
StringRef	ArrayOrderString (unsigned Order)
StringRef	LNStandardString (unsigned Standard)
StringRef	LNExtendedString (unsigned Encoding)
StringRef	MacinfoString (unsigned Encoding)
StringRef	MacroString (unsigned Encoding)
StringRef	GnuMacroString (unsigned Encoding)
StringRef	RangeListEncodingString (unsigned Encoding)
StringRef	LocListEncodingString (unsigned Encoding)
StringRef	CallFrameString (unsigned Encoding, Triple::ArchType Arch)
StringRef	ApplePropertyString (unsigned)
StringRef	UnitTypeString (unsigned)
StringRef	AtomTypeString (unsigned Atom)
StringRef	GDBIndexEntryKindString (GDBIndexEntryKind Kind)
StringRef	GDBIndexEntryLinkageString (GDBIndexEntryLinkage Linkage)
StringRef	IndexString (unsigned Idx)
StringRef	FormatString (DwarfFormat Format)
StringRef	FormatString (bool IsDWARF64)
StringRef	RLEString (unsigned RLE)
unsigned	getTag (StringRef TagString)
unsigned	getOperationEncoding (StringRef OperationEncodingString)
unsigned	getSubOperationEncoding (unsigned OpEncoding, StringRef SubOperationEncodingString)
unsigned	getVirtuality (StringRef VirtualityString)
unsigned	getLanguage (StringRef LanguageString)
unsigned	getCallingConvention (StringRef LanguageString)
unsigned	getAttributeEncoding (StringRef EncodingString)
unsigned	getMacinfo (StringRef MacinfoString)
unsigned	getMacro (StringRef MacroString)
unsigned	TagVersion (Tag T)
unsigned	AttributeVersion (Attribute A)
unsigned	FormVersion (Form F)
unsigned	OperationVersion (LocationAtom O)
unsigned	AttributeEncodingVersion (TypeKind E)
unsigned	LanguageVersion (SourceLanguage L)
unsigned	TagVendor (Tag T)
unsigned	AttributeVendor (Attribute A)
unsigned	FormVendor (Form F)
unsigned	OperationVendor (LocationAtom O)
unsigned	AttributeEncodingVendor (TypeKind E)
unsigned	LanguageVendor (SourceLanguage L)
std::optional< unsigned >	OperationOperands (LocationAtom O)
	The number of operands for the given LocationAtom.
std::optional< unsigned >	OperationArity (LocationAtom O)
	The arity of the given LocationAtom.
std::optional< unsigned >	LanguageLowerBound (SourceLanguage L)
uint8_t	getDwarfOffsetByteSize (DwarfFormat Format)
	The size of a reference determined by the DWARF 32/64-bit format.
uint8_t	getUnitLengthFieldByteSize (DwarfFormat Format)
	Get the byte size of the unit length field depending on the DWARF format.
std::optional< uint8_t >	getFixedFormByteSize (dwarf::Form Form, FormParams Params)
	Get the fixed byte size for a given form.
bool	isValidFormForVersion (Form F, unsigned Version, bool ExtensionsOk=true)
	Tells whether the specified form is defined in the specified version, or is an extension if extensions are allowed.
StringRef	AttributeValueString (uint16_t Attr, unsigned Val)
	Returns the symbolic string representing Val when used as a value for attribute Attr.
StringRef	AtomValueString (uint16_t Atom, unsigned Val)
	Returns the symbolic string representing Val when used as a value for atom Atom.
uint64_t	computeTombstoneAddress (uint8_t AddressByteSize)
DWARFDebugNames::DWARFDebugNamesOffsets	findDebugNamesOffsets (uint64_t EndOfHeaderOffset, const DWARFDebugNames::Header &Hdr)
raw_ostream &	operator<< (raw_ostream &OS, const UnwindLocation &R)
raw_ostream &	operator<< (raw_ostream &OS, const RegisterLocations &RL)
raw_ostream &	operator<< (raw_ostream &OS, const UnwindRow &Row)
raw_ostream &	operator<< (raw_ostream &OS, const UnwindTable &Rows)
std::optional< const char * >	toString (const std::optional< DWARFFormValue > &V)
	Take an optional DWARFFormValue and try to extract a string value from it.
StringRef	toStringRef (const std::optional< DWARFFormValue > &V, StringRef Default={})
	Take an optional DWARFFormValue and try to extract a string value from it.
const char *	toString (const std::optional< DWARFFormValue > &V, const char *Default)
	Take an optional DWARFFormValue and extract a string value from it.
std::optional< uint64_t >	toUnsigned (const std::optional< DWARFFormValue > &V)
	Take an optional DWARFFormValue and try to extract an unsigned constant.
uint64_t	toUnsigned (const std::optional< DWARFFormValue > &V, uint64_t Default)
	Take an optional DWARFFormValue and extract a unsigned constant.
std::optional< uint64_t >	toRelativeReference (const std::optional< DWARFFormValue > &V)
	Take an optional DWARFFormValue and try to extract a relative offset reference.
uint64_t	toRelativeReference (const std::optional< DWARFFormValue > &V, uint64_t Default)
	Take an optional DWARFFormValue and extract a relative offset reference.
std::optional< uint64_t >	toDebugInfoReference (const std::optional< DWARFFormValue > &V)
	Take an optional DWARFFormValue and try to extract an absolute debug info offset reference.
uint64_t	toDebugInfoReference (const std::optional< DWARFFormValue > &V, uint64_t Default)
	Take an optional DWARFFormValue and extract an absolute debug info offset reference.
std::optional< uint64_t >	toSignatureReference (const std::optional< DWARFFormValue > &V)
	Take an optional DWARFFormValue and try to extract a signature reference.
uint64_t	toSignatureReference (const std::optional< DWARFFormValue > &V, uint64_t Default)
	Take an optional DWARFFormValue and extract a signature reference.
std::optional< uint64_t >	toSupplementaryReference (const std::optional< DWARFFormValue > &V)
	Take an optional DWARFFormValue and try to extract a supplementary debug info reference.
uint64_t	toSupplementaryReference (const std::optional< DWARFFormValue > &V, uint64_t Default)
	Take an optional DWARFFormValue and extract a supplementary debug info reference.
std::optional< int64_t >	toSigned (const std::optional< DWARFFormValue > &V)
	Take an optional DWARFFormValue and try to extract an signed constant.
int64_t	toSigned (const std::optional< DWARFFormValue > &V, int64_t Default)
	Take an optional DWARFFormValue and extract a signed integer.
std::optional< uint64_t >	toAddress (const std::optional< DWARFFormValue > &V)
	Take an optional DWARFFormValue and try to extract an address.
std::optional< object::SectionedAddress >	toSectionedAddress (const std::optional< DWARFFormValue > &V)
uint64_t	toAddress (const std::optional< DWARFFormValue > &V, uint64_t Default)
	Take an optional DWARFFormValue and extract a address.
std::optional< uint64_t >	toSectionOffset (const std::optional< DWARFFormValue > &V)
	Take an optional DWARFFormValue and try to extract an section offset.
uint64_t	toSectionOffset (const std::optional< DWARFFormValue > &V, uint64_t Default)
	Take an optional DWARFFormValue and extract a section offset.
std::optional< ArrayRef< uint8_t > >	toBlock (const std::optional< DWARFFormValue > &V)
	Take an optional DWARFFormValue and try to extract block data.
bool	doesFormBelongToClass (dwarf::Form Form, DWARFFormValue::FormClass FC, uint16_t DwarfVersion)
	Check whether specified Form belongs to the FC class.

Variables
const uint32_t	DW_INVALID_OFFSET = UINT32_MAX
	Identifier of an invalid DIE offset in the .debug_info section.
constexpr uint32_t	InvalidRegisterNumber = UINT32_MAX
constexpr Tag	DW_TAG_unaligned = Tag(dwarf::DW_TAG_hi_user + 1)
const uint32_t	DW_CIE_ID = UINT32_MAX
	Special ID values that distinguish a CIE from a FDE in DWARF CFI.
const uint64_t	DW64_CIE_ID = UINT64_MAX

Detailed Description

Calculates the starting offsets for various sections within the .debug_names section.

Enumeration Type Documentation

AcceleratorTable

enum llvm::dwarf::AcceleratorTable

Enumerator
DW_ATOM_null
DW_ATOM_die_offset	Marker as the end of a list of atoms.
DW_ATOM_cu_offset
DW_ATOM_die_tag
DW_ATOM_type_flags
DW_ATOM_type_type_flags
DW_ATOM_qual_name_hash
DW_FLAG_type_implementation
DW_hash_function_djb

Definition at line 916 of file Dwarf.h.

AccessAttribute

enum llvm::dwarf::AccessAttribute

Enumerator
DW_ACCESS_public
DW_ACCESS_protected
DW_ACCESS_private

Definition at line 181 of file Dwarf.h.

ApplePropertyAttributes

enum llvm::dwarf::ApplePropertyAttributes

Constants for the DW_APPLE_PROPERTY_attributes attribute.

Keep this list in sync with clang's DeclObjCCommon.h ObjCPropertyAttribute::Kind!

Definition at line 869 of file Dwarf.h.

ArrayDimensionOrdering

enum llvm::dwarf::ArrayDimensionOrdering

Enumerator
DW_ORD_row_major
DW_ORD_col_major

Definition at line 761 of file Dwarf.h.

Attribute

enum llvm::dwarf::Attribute : uint16_t

Attributes.

Enumerator
DW_AT_lo_user
DW_AT_hi_user

Definition at line 123 of file Dwarf.h.

CallFrameInfo

enum llvm::dwarf::CallFrameInfo

Call frame instruction encodings.

Enumerator
DW_CFA_extended
DW_CFA_lo_user
DW_CFA_hi_user

Definition at line 832 of file Dwarf.h.

CallingConvention

enum llvm::dwarf::CallingConvention

Enumerator
DW_CC_lo_user
DW_CC_hi_user

Definition at line 745 of file Dwarf.h.

CaseSensitivity

enum llvm::dwarf::CaseSensitivity

Enumerator
DW_ID_case_sensitive
DW_ID_up_case
DW_ID_down_case
DW_ID_case_insensitive

Definition at line 737 of file Dwarf.h.

Constants

enum llvm::dwarf::Constants

Enumerator
DW_CHILDREN_no
DW_CHILDREN_yes
DW_EH_PE_absptr
DW_EH_PE_omit
DW_EH_PE_uleb128
DW_EH_PE_udata2
DW_EH_PE_udata4
DW_EH_PE_udata8
DW_EH_PE_sleb128
DW_EH_PE_sdata2
DW_EH_PE_sdata4
DW_EH_PE_sdata8
DW_EH_PE_signed
DW_EH_PE_pcrel
DW_EH_PE_textrel
DW_EH_PE_datarel
DW_EH_PE_funcrel
DW_EH_PE_aligned
DW_EH_PE_indirect

Definition at line 842 of file Dwarf.h.

DecimalSignEncoding

enum llvm::dwarf::DecimalSignEncoding

Enumerator
DW_DS_unsigned
DW_DS_leading_overpunch
DW_DS_trailing_overpunch
DW_DS_leading_separate
DW_DS_trailing_separate

Definition at line 164 of file Dwarf.h.

DefaultedMemberAttribute

enum llvm::dwarf::DefaultedMemberAttribute

Enumerator
DW_DEFAULTED_max

Definition at line 201 of file Dwarf.h.

DiscriminantList

enum llvm::dwarf::DiscriminantList

Enumerator
DW_DSC_label
DW_DSC_range

Definition at line 767 of file Dwarf.h.

DwarfFormat

enum llvm::dwarf::DwarfFormat : uint8_t

Constants that define the DWARF format as 32 or 64 bit.

Enumerator
DWARF32
DWARF64

Definition at line 91 of file Dwarf.h.

EndianityEncoding

enum llvm::dwarf::EndianityEncoding

Enumerator
DW_END_lo_user
DW_END_hi_user

Definition at line 173 of file Dwarf.h.

Form

enum llvm::dwarf::Form : uint16_t

Enumerator
DW_FORM_lo_user	Not specified by DWARF.

Definition at line 130 of file Dwarf.h.

GDBIndexEntryKind

enum llvm::dwarf::GDBIndexEntryKind

Enumerator
GIEK_NONE
GIEK_TYPE
GIEK_VARIABLE
GIEK_FUNCTION
GIEK_OTHER
GIEK_UNUSED5
GIEK_UNUSED6
GIEK_UNUSED7

Definition at line 950 of file Dwarf.h.

GDBIndexEntryLinkage

enum llvm::dwarf::GDBIndexEntryLinkage

Enumerator
GIEL_EXTERNAL
GIEL_STATIC

Definition at line 961 of file Dwarf.h.

GnuMacroEntryType

enum llvm::dwarf::GnuMacroEntryType

GNU .debug_macro macro information entry type encodings.

Enumerator
DW_MACRO_GNU_lo_user
DW_MACRO_GNU_hi_user

Definition at line 812 of file Dwarf.h.

Index

enum llvm::dwarf::Index

Enumerator
DW_IDX_lo_user
DW_IDX_hi_user

Definition at line 882 of file Dwarf.h.

InlineAttribute

enum llvm::dwarf::InlineAttribute

Enumerator
DW_INL_not_inlined
DW_INL_inlined
DW_INL_declared_not_inlined
DW_INL_declared_inlined

Definition at line 753 of file Dwarf.h.

LineNumberEntryFormat

enum llvm::dwarf::LineNumberEntryFormat

Enumerator
DW_LNCT_lo_user
DW_LNCT_hi_user

Definition at line 787 of file Dwarf.h.

LineNumberExtendedOps

enum llvm::dwarf::LineNumberExtendedOps

Line Number Extended Opcode Encodings.

Enumerator
DW_LNE_lo_user
DW_LNE_hi_user

Definition at line 780 of file Dwarf.h.

LineNumberOps

enum llvm::dwarf::LineNumberOps : uint8_t

Line Number Standard Opcode Encodings.

Definition at line 774 of file Dwarf.h.

LLVMConstants

enum llvm::dwarf::LLVMConstants : uint32_t

Enumerator
DW_TAG_invalid	LLVM mock tags (see also llvm/BinaryFormat/Dwarf.def). Tag for invalid results.
DW_VIRTUALITY_invalid	Virtuality for invalid results.
DW_MACINFO_invalid	Macinfo type for invalid results.
DW_LENGTH_lo_reserved	Special values for an initial length field. Lower bound of the reserved range.
DW_LENGTH_DWARF64	Indicator of 64-bit DWARF format.
DW_LENGTH_hi_reserved	Upper bound of the reserved range.
DWARF_VERSION	Other constants. Default dwarf version we output.
DW_PUBTYPES_VERSION	Section version number for .debug_pubtypes.
DW_PUBNAMES_VERSION	Section version number for .debug_pubnames.
DW_ARANGES_VERSION	Section version number for .debug_aranges.
DWARF_VENDOR_DWARF	Identifiers we use to distinguish vendor extensions. Defined in v2 or later of the DWARF standard.
DWARF_VENDOR_APPLE
DWARF_VENDOR_BORLAND
DWARF_VENDOR_GNU
DWARF_VENDOR_GOOGLE
DWARF_VENDOR_LLVM
DWARF_VENDOR_MIPS
DWARF_VENDOR_WASM
DWARF_VENDOR_ALTIUM
DWARF_VENDOR_COMPAQ
DWARF_VENDOR_GHS
DWARF_VENDOR_GO
DWARF_VENDOR_HP
DWARF_VENDOR_IBM
DWARF_VENDOR_INTEL
DWARF_VENDOR_PGI
DWARF_VENDOR_SUN
DWARF_VENDOR_UPC

Definition at line 44 of file Dwarf.h.

LlvmUserLocationAtom

enum llvm::dwarf::LlvmUserLocationAtom

Definition at line 152 of file Dwarf.h.

LocationAtom

enum llvm::dwarf::LocationAtom

Enumerator
DW_OP_lo_user
DW_OP_hi_user
DW_OP_LLVM_fragment	Only used in LLVM metadata.
DW_OP_LLVM_convert	Only used in LLVM metadata.
DW_OP_LLVM_tag_offset	Only used in LLVM metadata.
DW_OP_LLVM_entry_value	Only used in LLVM metadata.
DW_OP_LLVM_implicit_pointer	Only used in LLVM metadata.
DW_OP_LLVM_arg	Only used in LLVM metadata.
DW_OP_LLVM_extract_bits_sext	Only used in LLVM metadata.
DW_OP_LLVM_extract_bits_zext	Only used in LLVM metadata.

Definition at line 136 of file Dwarf.h.

LoclistEntries

enum llvm::dwarf::LoclistEntries

DWARF v5 loc list entry encoding values.

Definition at line 826 of file Dwarf.h.

MacinfoRecordType

enum llvm::dwarf::MacinfoRecordType

Enumerator
DW_MACINFO_define
DW_MACINFO_undef
DW_MACINFO_start_file
DW_MACINFO_end_file
DW_MACINFO_vendor_ext

Definition at line 794 of file Dwarf.h.

MacroEntryType

enum llvm::dwarf::MacroEntryType

DWARF v5 macro information entry type encodings.

Enumerator
DW_MACRO_lo_user
DW_MACRO_hi_user

Definition at line 804 of file Dwarf.h.

RnglistEntries

enum llvm::dwarf::RnglistEntries

DWARF v5 range list entry encoding values.

Definition at line 820 of file Dwarf.h.

SourceLanguage

enum llvm::dwarf::SourceLanguage

Enumerator
DW_LANG_lo_user
DW_LANG_hi_user

Definition at line 207 of file Dwarf.h.

SourceLanguageName

enum llvm::dwarf::SourceLanguageName : uint16_t

Definition at line 215 of file Dwarf.h.

Tag

enum llvm::dwarf::Tag : uint16_t

Enumerator
DW_TAG_lo_user
DW_TAG_hi_user
DW_TAG_user_base	Recommended base for user tags.

Definition at line 103 of file Dwarf.h.

TypeKind

enum llvm::dwarf::TypeKind : uint8_t

Enumerator
DW_ATE_lo_user
DW_ATE_hi_user

Definition at line 157 of file Dwarf.h.

UnitType

enum llvm::dwarf::UnitType : unsigned char

Constants for unit types in DWARF v5.

Enumerator
DW_UT_lo_user
DW_UT_hi_user

Definition at line 875 of file Dwarf.h.

VirtualityAttribute

enum llvm::dwarf::VirtualityAttribute

Enumerator
DW_VIRTUALITY_max

Definition at line 195 of file Dwarf.h.

VisibilityAttribute

enum llvm::dwarf::VisibilityAttribute

Enumerator
DW_VIS_local
DW_VIS_exported
DW_VIS_qualified

Definition at line 188 of file Dwarf.h.

Function Documentation

AtomValueString()

StringRef llvm::dwarf::AtomValueString	(	uint16_t	Atom,
		unsigned	Val
	)

Returns the symbolic string representing Val when used as a value for atom Atom.

Definition at line 749 of file Dwarf.cpp.

References DW_ATOM_die_tag, DW_ATOM_null, and TagString().

AttributeValueString()

StringRef llvm::dwarf::AttributeValueString	(	uint16_t	Attr,
		unsigned	Val
	)

Returns the symbolic string representing Val when used as a value for attribute Attr.

Definition at line 716 of file Dwarf.cpp.

References AccessibilityString(), ArrayOrderString(), AttributeEncodingString(), CaseString(), ConventionString(), DecimalSignString(), DefaultedMemberString(), EndianityString(), InlineCodeString(), LanguageString(), VirtualityString(), and VisibilityString().

Referenced by dumpAttribute().

computeTombstoneAddress()

uint64_t llvm::dwarf::computeTombstoneAddress ( uint8_t  AddressByteSize )

inline

Definition at line 1212 of file Dwarf.h.

Referenced by llvm::RangeListEntry::dump(), dumpAttribute(), llvm::DWARFDebugRangeList::getAbsoluteRanges(), llvm::DWARFDebugRnglist::getAbsoluteRanges(), llvm::DWARFDie::getHighPC(), llvm::DWARFDebugRangeList::RangeListEntry::isBaseAddressSelectionEntry(), and llvm::DWARFDebugLine::LineTable::parse().

doesFormBelongToClass()

bool llvm::dwarf::doesFormBelongToClass	(	dwarf::Form	Form,
		DWARFFormValue::FormClass	FC,
		uint16_t	DwarfVersion
	)

Check whether specified Form belongs to the FC class.

Parameters

Form	an attribute form.
FC	an attribute form class to check.
DwarfVersion	the version of DWARF debug info keeping the attribute.

Returns

true if specified Form belongs to the FC class.

Definition at line 771 of file DWARFFormValue.cpp.

References DWARF5FormClasses, llvm::DWARFFormValue::FC_Address, llvm::DWARFFormValue::FC_Reference, llvm::DWARFFormValue::FC_SectionOffset, and llvm::DWARFFormValue::FC_String.

Referenced by llvm::dwarf_linker::parallel::DIEAttributeCloner::cloneScalarAttr(), llvm::DWARFFormValue::getAsSectionedAddress(), and llvm::DWARFFormValue::isFormClass().

findDebugNamesOffsets()

DWARFDebugNames::DWARFDebugNamesOffsets llvm::dwarf::findDebugNamesOffsets	(	uint64_t	EndOfHeaderOffset,
		const DWARFDebugNames::Header &	Hdr
	)

Definition at line 556 of file DWARFAcceleratorTable.cpp.

References llvm::DWARFDebugNames::Header::AbbrevTableSize, llvm::DWARFDebugNames::Header::BucketCount, llvm::DWARFDebugNames::Header::CompUnitCount, llvm::DWARFDebugNames::Header::ForeignTypeUnitCount, llvm::DWARFDebugNames::Header::Format, getDwarfOffsetByteSize(), llvm::DWARFDebugNames::Header::LocalTypeUnitCount, and llvm::DWARFDebugNames::Header::NameCount.

Referenced by llvm::DWARFDebugNames::NameIndex::extract().

getArrayIndexTypeEncoding()

TypeKind llvm::dwarf::getArrayIndexTypeEncoding ( SourceLanguage  S )

inline

Definition at line 733 of file Dwarf.h.

References isFortran().

getDebugNamesBucketCount()

uint32_t llvm::dwarf::getDebugNamesBucketCount ( uint32_t  UniqueHashCount )

inline

Definition at line 941 of file Dwarf.h.

Referenced by llvm::AccelTableBase::computeBucketCount().

getDwarfOffsetByteSize()

uint8_t llvm::dwarf::getDwarfOffsetByteSize ( DwarfFormat  Format )

inline

The size of a reference determined by the DWARF 32/64-bit format.

Definition at line 1071 of file Dwarf.h.

References DWARF32, DWARF64, llvm::Format, and llvm_unreachable.

Referenced by llvm::DWARFListTableHeader::dump(), llvm::DWARFDebugArangeSet::dump(), llvm::DWARFDebugPubTable::dump(), llvm::DWARFDebugLine::Prologue::dump(), llvm::DWARFCompileUnit::dump(), llvm::DWARFFormValue::dump(), llvm::DWARFDebugAddrTable::dump(), llvm::DWARFTypeUnit::dump(), dumpStringOffsetsSection(), llvm::MCDwarfLineTableHeader::Emit(), llvm::MCStreamer::emitDwarfUnitLength(), EmitGenDwarfAranges(), EmitGenDwarfInfo(), llvm::mcdwarf::emitListsTableHeaderStart(), llvm::MCDwarfLineStr::emitRef(), llvm::DWARFDebugNames::NameIndex::extract(), llvm::DWARFDebugPubTable::extract(), llvm::DWARFDebugArangeSet::extract(), findDebugNamesOffsets(), llvm::DWARFDebugNames::NameIndex::getCUOffset(), llvm::dwarf::FormParams::getDwarfOffsetByteSize(), llvm::AsmPrinter::getDwarfOffsetByteSize(), llvm::DWARFDebugNames::NameIndex::getForeignTUSignature(), llvm::DWARFDebugNames::NameIndex::getLocalTUOffset(), llvm::DWARFDebugNames::NameIndex::getNameTableEntry(), and llvm::DWARFVerifier::verifyDebugStrOffsets().

getFixedFormByteSize()

std::optional< uint8_t > llvm::dwarf::getFixedFormByteSize	(	dwarf::Form	Form,
		FormParams	Params
	)

Get the fixed byte size for a given form.

If the form has a fixed byte size, then an Optional with a value will be returned. If the form is always encoded using a variable length storage format (ULEB or SLEB numbers or blocks) then std::nullopt will be returned.

Parameters

Form	DWARF form to get the fixed byte size for.
Params	DWARF parameters to help interpret forms.

Returns

std::optional<uint8_t> value with the fixed byte size or std::nullopt if Form doesn't have a fixed byte size.

Definition at line 771 of file Dwarf.cpp.

References llvm::dwarf::FormParams::AddrSize, llvm::dwarf::FormParams::getDwarfOffsetByteSize(), and llvm::dwarf::FormParams::getRefAddrByteSize().

Referenced by llvm::AppleAcceleratorTable::extract(), llvm::DWARFAbbreviationDeclaration::extract(), llvm::DWARFAbbreviationDeclaration::AttributeSpec::getByteSize(), llvm::DIEInteger::sizeOf(), and llvm::DWARFFormValue::skipValue().

getUnitLengthFieldByteSize()

uint8_t llvm::dwarf::getUnitLengthFieldByteSize ( DwarfFormat  Format )

inline

Get the byte size of the unit length field depending on the DWARF format.

Definition at line 1110 of file Dwarf.h.

References DWARF32, DWARF64, llvm::Format, and llvm_unreachable.

Referenced by EmitGenDwarfAranges(), EmitGenDwarfInfo(), llvm::DWARFDebugArangeSet::extract(), llvm::DWARFListTableHeader::extract(), llvm::DWARFDebugAddrTable::getFullLength(), llvm::DWARFDebugNames::NameIndex::getNextUnitOffset(), llvm::AsmPrinter::getUnitLengthFieldByteSize(), llvm::DWARFUnitHeader::getUnitLengthFieldByteSize(), and llvm::DWARFListTableHeader::length().

isC()

bool llvm::dwarf::isC ( SourceLanguage  S )

inline

Definition at line 657 of file Dwarf.h.

References DW_LANG_hi_user, DW_LANG_lo_user, and llvm_unreachable.

Referenced by llvm::DwarfUnit::applySubprogramAttributes().

isCPlusPlus()

bool llvm::dwarf::isCPlusPlus ( SourceLanguage  S )

inline

Definition at line 497 of file Dwarf.h.

References DW_LANG_hi_user, and DW_LANG_lo_user.

Referenced by buildFrameDebugInfo(), computeIndexValue(), and llvm::DwarfUnit::getParentContextString().

isFortran()

bool llvm::dwarf::isFortran ( SourceLanguage  S )

inline

Definition at line 577 of file Dwarf.h.

References DW_LANG_hi_user, and DW_LANG_lo_user.

Referenced by getArrayIndexTypeEncoding().

isType()

bool llvm::dwarf::isType ( Tag  T )

inline

Definition at line 111 of file Dwarf.h.

Referenced by llvm::DwarfUnit::getOrCreateStaticMemberDIE(), and llvm::DWARFUnit::updateVariableDieMap().

isUnitType() [1/2]

bool llvm::dwarf::isUnitType ( dwarf::Tag  T )

inline

Definition at line 903 of file Dwarf.h.

isUnitType() [2/2]

bool llvm::dwarf::isUnitType ( uint8_t  UnitType )

inline

Definition at line 889 of file Dwarf.h.

Referenced by llvm::DWARFUnit::isMatchingUnitTypeAndTag().

isValidFormForVersion()

bool llvm::dwarf::isValidFormForVersion	(	Form	F,
		unsigned	Version,
		bool	ExtensionsOk = true
	)

Tells whether the specified form is defined in the specified version, or is an extension if extensions are allowed.

Definition at line 859 of file Dwarf.cpp.

References DWARF_VENDOR_DWARF, F, FormVendor(), and FormVersion().

Referenced by llvm::DIEAbbrev::Emit().

LanguageDescription()

StringRef llvm::dwarf::LanguageDescription

(

dwarf::SourceLanguageName

lname

)

Definition at line 446 of file Dwarf.cpp.

LanguageLowerBound()

std::optional< unsigned > llvm::dwarf::LanguageLowerBound

(

dwarf::SourceLanguage

Lang

)

Definition at line 435 of file Dwarf.cpp.

OperationArity()

std::optional< unsigned > llvm::dwarf::OperationArity

(

dwarf::LocationAtom

Op

)

The arity of the given LocationAtom.

This is the number of elements on the stack this operation operates on. Returns -1 if the arity is variable (e.g. depending on the argument) or unknown.

Definition at line 239 of file Dwarf.cpp.

OperationOperands()

std::optional< unsigned > llvm::dwarf::OperationOperands

(

dwarf::LocationAtom

Op

)

The number of operands for the given LocationAtom.

Definition at line 226 of file Dwarf.cpp.

operator<<() [1/4]

raw_ostream & llvm::dwarf::operator<<	(	raw_ostream &	OS,
		const RegisterLocations &	RL
	)

Definition at line 164 of file DWARFDebugFrame.cpp.

References llvm::dwarf::RegisterLocations::dump(), and OS.

operator<<() [2/4]

raw_ostream & llvm::dwarf::operator<<	(	raw_ostream &	OS,
		const UnwindLocation &	R
	)

Definition at line 123 of file DWARFDebugFrame.cpp.

References llvm::dwarf::UnwindLocation::dump(), and OS.

operator<<() [3/4]

raw_ostream & llvm::dwarf::operator<<	(	raw_ostream &	OS,
		const UnwindRow &	Row
	)

Definition at line 185 of file DWARFDebugFrame.cpp.

References OS.

operator<<() [4/4]

raw_ostream & llvm::dwarf::operator<<	(	raw_ostream &	OS,
		const UnwindTable &	Rows
	)

Definition at line 197 of file DWARFDebugFrame.cpp.

References llvm::dwarf::UnwindTable::dump(), and OS.

toAddress() [1/2]

std::optional< uint64_t > llvm::dwarf::toAddress ( const std::optional< DWARFFormValue > &  V )

inline

Take an optional DWARFFormValue and try to extract an address.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and has a address form.

Definition at line 369 of file DWARFFormValue.h.

Referenced by llvm::dwarf_linker::parallel::DependencyTracker::isLiveSubprogramEntry(), and toAddress().

toAddress() [2/2]

uint64_t llvm::dwarf::toAddress ( const std::optional< DWARFFormValue > &  V, uint64_t  Default  )

inline

Take an optional DWARFFormValue and extract a address.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.
Default	the default value to return in case of failure.

Returns

the extracted address value or Default if the V doesn't have a value or the form value's encoding wasn't an address form.

Definition at line 388 of file DWARFFormValue.h.

References llvm::Default, and toAddress().

toBlock()

std::optional< ArrayRef< uint8_t > > llvm::dwarf::toBlock ( const std::optional< DWARFFormValue > &  V )

inline

Take an optional DWARFFormValue and try to extract block data.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and has a block form.

Definition at line 422 of file DWARFFormValue.h.

toDebugInfoReference() [1/2]

std::optional< uint64_t > llvm::dwarf::toDebugInfoReference ( const std::optional< DWARFFormValue > &  V )

inline

Take an optional DWARFFormValue and try to extract an absolute debug info offset reference.

Parameters

V	an optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and has an (absolute) debug info offset reference form.

Definition at line 274 of file DWARFFormValue.h.

Referenced by toDebugInfoReference().

toDebugInfoReference() [2/2]

uint64_t llvm::dwarf::toDebugInfoReference ( const std::optional< DWARFFormValue > &  V, uint64_t  Default  )

inline

Take an optional DWARFFormValue and extract an absolute debug info offset reference.

Parameters

V	an optional DWARFFormValue to attempt to extract the value from.
Default	the default value to return in case of failure.

Returns

the extracted reference value or Default if the V doesn't have a value or the form value's encoding wasn't an absolute debug info offset reference form.

Definition at line 288 of file DWARFFormValue.h.

References llvm::Default, and toDebugInfoReference().

toDW_LANG()

std::optional< SourceLanguage > llvm::dwarf::toDW_LANG ( SourceLanguageName  name, uint32_t  version  )

inline

Convert a DWARF 6 pair of language name and version to a DWARF 5 DW_LANG.

If the version number doesn't exactly match a known version it is rounded up to the next-highest known version number.

Definition at line 223 of file Dwarf.h.

References name.

toDW_LNAME()

std::optional< std::pair< SourceLanguageName, uint32_t > > llvm::dwarf::toDW_LNAME ( SourceLanguage  language )

inline

Convert a DWARF 5 DW_LANG to a DWARF 6 pair of language name and version.

Definition at line 364 of file Dwarf.h.

References DW_LANG_hi_user, and DW_LANG_lo_user.

toRelativeReference() [1/2]

std::optional< uint64_t > llvm::dwarf::toRelativeReference ( const std::optional< DWARFFormValue > &  V )

inline

Take an optional DWARFFormValue and try to extract a relative offset reference.

Parameters

V	an optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and has a relative reference form.

Definition at line 250 of file DWARFFormValue.h.

Referenced by toRelativeReference().

toRelativeReference() [2/2]

uint64_t llvm::dwarf::toRelativeReference ( const std::optional< DWARFFormValue > &  V, uint64_t  Default  )

inline

Take an optional DWARFFormValue and extract a relative offset reference.

Parameters

V	an optional DWARFFormValue to attempt to extract the value from.
Default	the default value to return in case of failure.

Returns

the extracted reference value or Default if the V doesn't have a value or the form value's encoding wasn't a relative offset reference form.

Definition at line 262 of file DWARFFormValue.h.

References llvm::Default, and toRelativeReference().

toSectionedAddress()

std::optional< object::SectionedAddress > llvm::dwarf::toSectionedAddress ( const std::optional< DWARFFormValue > &  V )

inline

Definition at line 376 of file DWARFFormValue.h.

Referenced by llvm::DWARFUnit::getBaseAddress(), getFunctionNameAndStartLineForAddress(), llvm::DWARFContext::getInliningInfoForAddress(), and llvm::DWARFDie::getLowAndHighPC().

toSectionOffset() [1/2]

std::optional< uint64_t > llvm::dwarf::toSectionOffset ( const std::optional< DWARFFormValue > &  V )

inline

Take an optional DWARFFormValue and try to extract an section offset.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and has a section offset form.

Definition at line 399 of file DWARFFormValue.h.

Referenced by buildLineToUnitMap(), llvm::dwarf_linker::parallel::CompileUnit::cloneAndEmitDebugMacro(), llvm::DWARFUnit::determineStringOffsetsTableContribution(), llvm::DWARFDie::getLocBaseAttribute(), llvm::DWARFDie::getRangesBaseAttribute(), toSectionOffset(), and llvm::DWARFUnit::tryExtractDIEsIfNeeded().

toSectionOffset() [2/2]

uint64_t llvm::dwarf::toSectionOffset ( const std::optional< DWARFFormValue > &  V, uint64_t  Default  )

inline

Take an optional DWARFFormValue and extract a section offset.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.
Default	the default value to return in case of failure.

Returns

the extracted section offset value or Default if the V doesn't have a value or the form value's encoding wasn't a section offset form.

Definition at line 411 of file DWARFFormValue.h.

References llvm::Default, and toSectionOffset().

toSignatureReference() [1/2]

std::optional< uint64_t > llvm::dwarf::toSignatureReference ( const std::optional< DWARFFormValue > &  V )

inline

Take an optional DWARFFormValue and try to extract a signature reference.

Parameters

V	an optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and has a signature reference form.

Definition at line 299 of file DWARFFormValue.h.

Referenced by toSignatureReference().

toSignatureReference() [2/2]

uint64_t llvm::dwarf::toSignatureReference ( const std::optional< DWARFFormValue > &  V, uint64_t  Default  )

inline

Take an optional DWARFFormValue and extract a signature reference.

Parameters

V	an optional DWARFFormValue to attempt to extract the value from.
Default	the default value to return in case of failure.

Returns

the extracted reference value or Default if the V doesn't have a value or the form value's encoding wasn't a signature reference form.

Definition at line 311 of file DWARFFormValue.h.

References llvm::Default, and toSignatureReference().

toSigned() [1/2]

std::optional< int64_t > llvm::dwarf::toSigned ( const std::optional< DWARFFormValue > &  V )

inline

Take an optional DWARFFormValue and try to extract an signed constant.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and has a signed constant form.

Definition at line 346 of file DWARFFormValue.h.

Referenced by toSigned().

toSigned() [2/2]

int64_t llvm::dwarf::toSigned ( const std::optional< DWARFFormValue > &  V, int64_t  Default  )

inline

Take an optional DWARFFormValue and extract a signed integer.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.
Default	the default value to return in case of failure.

Returns

the extracted signed integer value or Default if the V doesn't have a value or the form value's encoding wasn't a signed integer form.

Definition at line 358 of file DWARFFormValue.h.

References llvm::Default, and toSigned().

toString() [1/2]

std::optional< const char * > llvm::dwarf::toString ( const std::optional< DWARFFormValue > &  V )

inline

Take an optional DWARFFormValue and try to extract a string value from it.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and was a string.

Definition at line 177 of file DWARFFormValue.h.

References llvm::consumeError(), and E.

Referenced by llvm::analyzeContextInfo(), llvm::dwarf_linker::parallel::CompileUnit::analyzeImportedModule(), llvm::analyzeImportedModule(), llvm::dwarf_linker::parallel::DIEAttributeCloner::cloneStringAttr(), llvm::gsym::DwarfTransformer::convert(), llvm::logicalview::LVDWARFReader::createScopes(), dumpAttribute(), llvm::DWARFUnit::getCompilationDir(), llvm::DWARFDebugLine::LineTable::getDirectoryForEntry(), llvm::DWARFDebugLine::Prologue::getFileNameByIndex(), llvm::DWARFDie::getLinkageName(), llvm::getPCMFile(), getPCMFile(), llvm::DWARFDie::getShortName(), llvm::dwarf_linker::parallel::DWARFLinkerImpl::LinkContext::isClangModuleRef(), llvm::dwarf_linker::parallel::DWARFLinkerImpl::LinkContext::loadClangModule(), llvm::prettyPrintBaseTypeRef(), llvm::resolveRelativeObjectPath(), resolveRelativeObjectPath(), and toString().

toString() [2/2]

const char * llvm::dwarf::toString ( const std::optional< DWARFFormValue > &  V, const char *  Default  )

inline

Take an optional DWARFFormValue and extract a string value from it.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.
Default	the default value to return in case of failure.

Returns

the string value or Default if the V doesn't have a value or the form value's encoding wasn't a string.

Definition at line 213 of file DWARFFormValue.h.

References llvm::Default, E, and toString().

toStringRef()

StringRef llvm::dwarf::toStringRef ( const std::optional< DWARFFormValue > &  V, StringRef  Default = {}  )

inline

Take an optional DWARFFormValue and try to extract a string value from it.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and was a string.

Definition at line 193 of file DWARFFormValue.h.

Referenced by llvm::dwarf_linker::parallel::SyntheticTypeNameBuilder::addTypeName(), llvm::dwarf_linker::parallel::CompileUnit::analyzeImportedModule(), llvm::analyzeImportedModule(), llvm::dwarf_linker::parallel::CompileUnit::CompileUnit(), llvm::DWARFDebugLine::Prologue::getFileNameByIndex(), llvm::dwarf_linker::classic::CompileUnit::getSysRoot(), and isVariableIndexable().

toSupplementaryReference() [1/2]

std::optional< uint64_t > llvm::dwarf::toSupplementaryReference ( const std::optional< DWARFFormValue > &  V )

inline

Take an optional DWARFFormValue and try to extract a supplementary debug info reference.

Parameters

V	an optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and has a supplementary reference form.

Definition at line 323 of file DWARFFormValue.h.

Referenced by toSupplementaryReference().

toSupplementaryReference() [2/2]

uint64_t llvm::dwarf::toSupplementaryReference ( const std::optional< DWARFFormValue > &  V, uint64_t  Default  )

inline

Take an optional DWARFFormValue and extract a supplementary debug info reference.

Parameters

V	an optional DWARFFormValue to attempt to extract the value from.
Default	the default value to return in case of failure.

Returns

the extracted reference value or Default if the V doesn't have a value or the form value's encoding wasn't a supplementary reference form.

Definition at line 336 of file DWARFFormValue.h.

References llvm::Default, and toSupplementaryReference().

toUnsigned() [1/2]

std::optional< uint64_t > llvm::dwarf::toUnsigned ( const std::optional< DWARFFormValue > &  V )

inline

Take an optional DWARFFormValue and try to extract an unsigned constant.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.

Returns

an optional value that contains a value if the form value was valid and has a unsigned constant form.

Definition at line 226 of file DWARFFormValue.h.

Referenced by llvm::dwarf_linker::parallel::SyntheticTypeNameBuilder::addDieNameFromDeclFileAndDeclLine(), llvm::dwarf_linker::parallel::SyntheticTypeNameBuilder::addParamNames(), llvm::dwarf_linker::classic::CompileUnit::CompileUnit(), llvm::dwarf_linker::parallel::CompileUnit::CompileUnit(), convertFunctionLineTable(), llvm::gsym::CUInfo::CUInfo(), llvm::DWARFDie::getCallerFrame(), llvm::dwarf_linker::classic::DeclContextTree::getChildDeclContext(), llvm::DWARFDie::getDeclLine(), llvm::DWARFContext::getDWOCompileUnitForHash(), llvm::getDwoId(), getDwoId(), llvm::dwarf_linker::classic::CompileUnit::getLanguage(), llvm::dwarf_linker::parallel::DWARFLinkerImpl::link(), parseInlineInfo(), llvm::dwarf_linker::parallel::AcceleratorRecordsSaver::save(), toUnsigned(), llvm::DWARFUnit::tryExtractDIEsIfNeeded(), and llvm::updatePruning().

toUnsigned() [2/2]

uint64_t llvm::dwarf::toUnsigned ( const std::optional< DWARFFormValue > &  V, uint64_t  Default  )

inline

Take an optional DWARFFormValue and extract a unsigned constant.

Parameters

V	and optional DWARFFormValue to attempt to extract the value from.
Default	the default value to return in case of failure.

Returns

the extracted unsigned value or Default if the V doesn't have a value or the form value's encoding wasn't an unsigned constant form.

Definition at line 238 of file DWARFFormValue.h.

References llvm::Default, and toUnsigned().

Variable Documentation

DW64_CIE_ID

const uint64_t llvm::dwarf::DW64_CIE_ID = UINT64_MAX

Definition at line 97 of file Dwarf.h.

Referenced by getCIEId().

DW_CIE_ID

const uint32_t llvm::dwarf::DW_CIE_ID = UINT32_MAX

Special ID values that distinguish a CIE from a FDE in DWARF CFI.

Not inside an enum because a 64-bit value is needed.

Definition at line 96 of file Dwarf.h.

Referenced by getCIEId().

DW_INVALID_OFFSET

const uint32_t llvm::dwarf::DW_INVALID_OFFSET = UINT32_MAX

Identifier of an invalid DIE offset in the .debug_info section.

Definition at line 101 of file Dwarf.h.

Referenced by llvm::AppleAcceleratorTable::readAtoms().

DW_TAG_unaligned

constexpr Tag llvm::dwarf::DW_TAG_unaligned = Tag(dwarf::DW_TAG_hi_user + 1)

constexpr

Definition at line 28 of file LVObject.h.

Referenced by llvm::logicalview::LVElement::resolveFullname(), and llvm::logicalview::LVLogicalVisitor::visitKnownRecord().

InvalidRegisterNumber

constexpr uint32_t llvm::dwarf::InvalidRegisterNumber = UINT32_MAX

constexpr

Definition at line 31 of file DWARFDebugFrame.h.

Referenced by llvm::dwarf::UnwindLocation::createAtCFAPlusOffset(), llvm::dwarf::UnwindLocation::createIsCFAPlusOffset(), and llvm::dwarf::UnwindLocation::createIsConstant().