#include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"

Collaboration diagram for llvm::DWARFDebugLine::Prologue:

Public Member Functions
	Prologue ()

const dwarf::FormParams	getFormParams () const

uint16_t	getVersion () const

uint8_t	getAddressSize () const

bool	isDWARF64 () const

uint32_t	sizeofTotalLength () const

uint32_t	sizeofPrologueLength () const

bool	totalLengthIsValid () const

uint32_t	getLength () const
	Length of the prologue in bytes. More...

uint32_t	getStatementTableLength () const
	Length of the line table data in bytes (not including the prologue). More...

int32_t	getMaxLineIncrementForSpecialOpcode () const

void	clear ()

void	dump (raw_ostream &OS, DIDumpOptions DumpOptions) const

Error	parse (const DWARFDataExtractor &DebugLineData, uint32_t OffsetPtr, const DWARFContext &Ctx, const DWARFUnit U=nullptr)

Public Attributes
uint64_t	TotalLength
	The size in bytes of the statement information for this compilation unit (not including the total_length field itself). More...

dwarf::FormParams	FormParams
	Version, address size (starting in v5), and DWARF32/64 format; these parameters affect interpretation of forms (used in the directory and file tables starting with v5). More...

uint64_t	PrologueLength
	The number of bytes following the prologue_length field to the beginning of the first byte of the statement program itself. More...

uint8_t	SegSelectorSize
	In v5, size in bytes of a segment selector. More...

uint8_t	MinInstLength
	The size in bytes of the smallest target machine instruction. More...

uint8_t	MaxOpsPerInst
	The maximum number of individual operations that may be encoded in an instruction. More...

uint8_t	DefaultIsStmt
	The initial value of theis_stmtregister. More...

int8_t	LineBase
	This parameter affects the meaning of the special opcodes. See below. More...

uint8_t	LineRange
	This parameter affects the meaning of the special opcodes. See below. More...

uint8_t	OpcodeBase
	The number assigned to the first special opcode. More...

ContentTypeTracker	ContentTypes
	This tracks which optional file format content types are present. More...

std::vector< uint8_t >	StandardOpcodeLengths

std::vector< DWARFFormValue >	IncludeDirectories

std::vector< FileNameEntry >	FileNames

Detailed Description

Definition at line 63 of file DWARFDebugLine.h.

Constructor & Destructor Documentation

◆ Prologue()

DWARFDebugLine::Prologue::Prologue ( )

Definition at line 68 of file DWARFDebugLine.cpp.

References clear().

Member Function Documentation

◆ clear()

void DWARFDebugLine::Prologue::clear ( )

Definition at line 70 of file DWARFDebugLine.cpp.

References llvm::dwarf::DWARF32.

Referenced by llvm::DWARFDebugLine::LineTable::clear().

◆ dump()

void DWARFDebugLine::Prologue::dump	(	raw_ostream &	OS,
		DIDumpOptions	DumpOptions
	)		const

Definition at line 82 of file DWARFDebugLine.cpp.

References llvm::DWARFDebugLine::FileNameEntry::Checksum, llvm::StringRef::data(), llvm::MD5::MD5Result::digest(), llvm::DWARFDebugLine::FileNameEntry::DirIdx, llvm::DWARFFormValue::dump(), llvm::format(), I, llvm::DWARFDebugLine::FileNameEntry::Length, llvm::dwarf::LNStandardString(), llvm::DWARFDebugLine::FileNameEntry::ModTime, llvm::DWARFDebugLine::FileNameEntry::Name, and llvm::DWARFDebugLine::FileNameEntry::Source.

Referenced by llvm::DWARFDebugLine::LineTable::dump(), and llvm::DWARFDebugLine::LineTable::parse().

◆ getAddressSize()

uint8_t llvm::DWARFDebugLine::Prologue::getAddressSize ( ) const

inline

Definition at line 101 of file DWARFDebugLine.h.

References llvm::dwarf::FormParams::AddrSize.

Referenced by llvm::DWARFDebugLine::LineTable::parse().

◆ getFormParams()

const dwarf::FormParams llvm::DWARFDebugLine::Prologue::getFormParams ( ) const

inline

Definition at line 99 of file DWARFDebugLine.h.

◆ getLength()

uint32_t llvm::DWARFDebugLine::Prologue::getLength ( ) const

inline

Length of the prologue in bytes.

Definition at line 111 of file DWARFDebugLine.h.

◆ getMaxLineIncrementForSpecialOpcode()

int32_t llvm::DWARFDebugLine::Prologue::getMaxLineIncrementForSpecialOpcode ( ) const

inline

Definition at line 121 of file DWARFDebugLine.h.

References clear(), llvm::dump(), and llvm::json::parse().

◆ getStatementTableLength()

uint32_t llvm::DWARFDebugLine::Prologue::getStatementTableLength ( ) const

inline

Length of the line table data in bytes (not including the prologue).

Definition at line 117 of file DWARFDebugLine.h.

◆ getVersion()

uint16_t llvm::DWARFDebugLine::Prologue::getVersion ( ) const

inline

Definition at line 100 of file DWARFDebugLine.h.

References llvm::dwarf::FormParams::Version.

◆ isDWARF64()

bool llvm::DWARFDebugLine::Prologue::isDWARF64 ( ) const

inline

Definition at line 102 of file DWARFDebugLine.h.

References llvm::dwarf::DWARF64, and llvm::dwarf::FormParams::Format.

◆ parse()

Error DWARFDebugLine::Prologue::parse	(	const DWARFDataExtractor &	DebugLineData,
		uint32_t *	OffsetPtr,
		const DWARFContext &	Ctx,
		const DWARFUnit *	U = `nullptr`
	)

◆ sizeofPrologueLength()

uint32_t llvm::DWARFDebugLine::Prologue::sizeofPrologueLength ( ) const

inline

Definition at line 106 of file DWARFDebugLine.h.

◆ sizeofTotalLength()

uint32_t llvm::DWARFDebugLine::Prologue::sizeofTotalLength ( ) const

inline

Definition at line 104 of file DWARFDebugLine.h.

Referenced by llvm::DWARFDebugLine::LineTable::parse().

◆ totalLengthIsValid()

bool DWARFDebugLine::Prologue::totalLengthIsValid ( ) const

Definition at line 1060 of file DWARFDebugLine.cpp.

Member Data Documentation

◆ ContentTypes

ContentTypeTracker llvm::DWARFDebugLine::Prologue::ContentTypes

This tracks which optional file format content types are present.

Definition at line 94 of file DWARFDebugLine.h.

◆ DefaultIsStmt

uint8_t llvm::DWARFDebugLine::Prologue::DefaultIsStmt

The initial value of theis_stmtregister.

Definition at line 86 of file DWARFDebugLine.h.

Referenced by llvm::DWARFDebugLine::LineTable::clear().

◆ FileNames

std::vector<FileNameEntry> llvm::DWARFDebugLine::Prologue::FileNames

Definition at line 97 of file DWARFDebugLine.h.

Referenced by llvm::DWARFDebugLine::LineTable::getFileNameByIndex(), llvm::DWARFDebugLine::LineTable::hasFileAtIndex(), and llvm::DWARFDebugLine::LineTable::parse().

◆ FormParams

dwarf::FormParams llvm::DWARFDebugLine::Prologue::FormParams

Version, address size (starting in v5), and DWARF32/64 format; these parameters affect interpretation of forms (used in the directory and file tables starting with v5).

Definition at line 72 of file DWARFDebugLine.h.

◆ IncludeDirectories

std::vector<DWARFFormValue> llvm::DWARFDebugLine::Prologue::IncludeDirectories

Definition at line 96 of file DWARFDebugLine.h.

Referenced by llvm::DWARFDebugLine::LineTable::getFileNameByIndex().

◆ LineBase

int8_t llvm::DWARFDebugLine::Prologue::LineBase

This parameter affects the meaning of the special opcodes. See below.

Definition at line 88 of file DWARFDebugLine.h.

Referenced by llvm::DWARFDebugLine::LineTable::parse().

◆ LineRange

uint8_t llvm::DWARFDebugLine::Prologue::LineRange

This parameter affects the meaning of the special opcodes. See below.

Definition at line 90 of file DWARFDebugLine.h.

Referenced by llvm::DWARFDebugLine::LineTable::parse().

◆ MaxOpsPerInst

uint8_t llvm::DWARFDebugLine::Prologue::MaxOpsPerInst

The maximum number of individual operations that may be encoded in an instruction.

Definition at line 84 of file DWARFDebugLine.h.

◆ MinInstLength

uint8_t llvm::DWARFDebugLine::Prologue::MinInstLength

The size in bytes of the smallest target machine instruction.

Statement program opcodes that alter the address register first multiply their operands by this value.

Definition at line 81 of file DWARFDebugLine.h.

Referenced by llvm::DWARFDebugLine::LineTable::parse().

◆ OpcodeBase

uint8_t llvm::DWARFDebugLine::Prologue::OpcodeBase

The number assigned to the first special opcode.

Definition at line 92 of file DWARFDebugLine.h.

Referenced by llvm::DWARFDebugLine::LineTable::parse().

◆ PrologueLength

uint64_t llvm::DWARFDebugLine::Prologue::PrologueLength

The number of bytes following the prologue_length field to the beginning of the first byte of the statement program itself.

Definition at line 75 of file DWARFDebugLine.h.

◆ SegSelectorSize

uint8_t llvm::DWARFDebugLine::Prologue::SegSelectorSize

In v5, size in bytes of a segment selector.

Definition at line 77 of file DWARFDebugLine.h.

◆ StandardOpcodeLengths

std::vector<uint8_t> llvm::DWARFDebugLine::Prologue::StandardOpcodeLengths

Definition at line 95 of file DWARFDebugLine.h.

Referenced by llvm::DWARFDebugLine::LineTable::parse().

◆ TotalLength

uint64_t llvm::DWARFDebugLine::Prologue::TotalLength

The size in bytes of the statement information for this compilation unit (not including the total_length field itself).

Definition at line 68 of file DWARFDebugLine.h.

Referenced by llvm::DWARFDebugLine::LineTable::parse().

The documentation for this struct was generated from the following files:

include/llvm/DebugInfo/DWARF/DWARFDebugLine.h
lib/DebugInfo/DWARF/DWARFDebugLine.cpp

Public Member Functions

Public Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Prologue()

Member Function Documentation

◆ clear()

◆ dump()

◆ getAddressSize()

◆ getFormParams()

◆ getLength()

◆ getMaxLineIncrementForSpecialOpcode()

◆ getStatementTableLength()

◆ getVersion()

◆ isDWARF64()

◆ parse()

◆ sizeofPrologueLength()

◆ sizeofTotalLength()

◆ totalLengthIsValid()

Member Data Documentation

◆ ContentTypes

◆ DefaultIsStmt

◆ FileNames

◆ FormParams

◆ IncludeDirectories

◆ LineBase

◆ LineRange

◆ MaxOpsPerInst

◆ MinInstLength

◆ OpcodeBase

◆ PrologueLength

◆ SegSelectorSize

◆ StandardOpcodeLengths

◆ TotalLength