llvm::MCDwarfLineTableHeader Struct Reference

#include "llvm/MC/MCDwarf.h"

Public Member Functions
	MCDwarfLineTableHeader ()=default
LLVM_ABI Expected< unsigned >	tryGetFile (StringRef &Directory, StringRef &FileName, std::optional< MD5::MD5Result > Checksum, std::optional< StringRef > Source, uint16_t DwarfVersion, unsigned FileNumber=0)
LLVM_ABI std::pair< MCSymbol *, MCSymbol * >	Emit (MCStreamer *MCOS, MCDwarfLineTableParams Params, std::optional< MCDwarfLineStr > &LineStr) const
LLVM_ABI std::pair< MCSymbol *, MCSymbol * >	Emit (MCStreamer *MCOS, MCDwarfLineTableParams Params, ArrayRef< char > SpecialOpcodeLengths, std::optional< MCDwarfLineStr > &LineStr) const
void	resetMD5Usage ()
void	trackMD5Usage (bool MD5Used)
bool	isMD5UsageConsistent () const
void	setRootFile (StringRef Directory, StringRef FileName, std::optional< MD5::MD5Result > Checksum, std::optional< StringRef > Source)
void	resetFileTable ()

Public Attributes
MCSymbol *	Label = nullptr
SmallVector< std::string, 3 >	MCDwarfDirs
SmallVector< MCDwarfFile, 3 >	MCDwarfFiles
StringMap< unsigned >	SourceIdMap
std::string	CompilationDir
MCDwarfFile	RootFile
bool	HasAnySource = false

Detailed Description

Definition at line 277 of file MCDwarf.h.

Constructor & Destructor Documentation

MCDwarfLineTableHeader()

llvm::MCDwarfLineTableHeader::MCDwarfLineTableHeader ( )

default

References LLVM_ABI.

Member Function Documentation

Emit() [1/2]

std::pair< MCSymbol *, MCSymbol * > MCDwarfLineTableHeader::Emit	(	MCStreamer *	MCOS,
		MCDwarfLineTableParams	Params,
		ArrayRef< char >	SpecialOpcodeLengths,
		std::optional< MCDwarfLineStr > &	LineStr ) const

Definition at line 550 of file MCDwarf.cpp.

References llvm::MCContext::createTempSymbol(), DWARF2_LINE_DEFAULT_IS_STMT, llvm::MCDwarfLineTableParams::DWARF2LineBase, llvm::MCDwarfLineTableParams::DWARF2LineRange, llvm::MCStreamer::emitAbsoluteSymbolDiff(), llvm::MCStreamer::emitDwarfLineStartLabel(), llvm::MCStreamer::emitDwarfUnitLength(), llvm::MCStreamer::emitInt16(), llvm::MCStreamer::emitInt8(), llvm::MCStreamer::emitLabel(), llvm::MCContext::getAsmInfo(), llvm::MCAsmInfo::getCodePointerSize(), llvm::MCStreamer::getContext(), llvm::MCContext::getDwarfFormat(), llvm::dwarf::getDwarfOffsetByteSize(), llvm::MCContext::getDwarfVersion(), llvm::MCAsmInfo::getMinInstAlignment(), Label, llvm::Length, and llvm::ArrayRef< T >::size().

Emit() [2/2]

std::pair< MCSymbol *, MCSymbol * > MCDwarfLineTableHeader::Emit	(	MCStreamer *	MCOS,
		MCDwarfLineTableParams	Params,
		std::optional< MCDwarfLineStr > &	LineStr ) const

Definition at line 345 of file MCDwarf.cpp.

References llvm::ArrayRef(), assert(), llvm::MCDwarfLineTableParams::DWARF2LineOpcodeBase, and Emit().

Referenced by Emit().

isMD5UsageConsistent()

bool llvm::MCDwarfLineTableHeader::isMD5UsageConsistent ( ) const

inline

Definition at line 314 of file MCDwarf.h.

References MCDwarfFiles.

resetFileTable()

void llvm::MCDwarfLineTableHeader::resetFileTable ( )

inline

Definition at line 330 of file MCDwarf.h.

References HasAnySource, MCDwarfDirs, MCDwarfFiles, resetMD5Usage(), and RootFile.

resetMD5Usage()

void llvm::MCDwarfLineTableHeader::resetMD5Usage ( )

inline

Definition at line 306 of file MCDwarf.h.

Referenced by resetFileTable().

setRootFile()

void llvm::MCDwarfLineTableHeader::setRootFile ( StringRef Directory, StringRef FileName, std::optional< MD5::MD5Result > Checksum, std::optional< StringRef > Source )

inline

Definition at line 318 of file MCDwarf.h.

References CompilationDir, HasAnySource, RootFile, and trackMD5Usage().

trackMD5Usage()

void llvm::MCDwarfLineTableHeader::trackMD5Usage ( bool MD5Used )

inline

Definition at line 310 of file MCDwarf.h.

Referenced by setRootFile(), and tryGetFile().

tryGetFile()

Expected< unsigned > MCDwarfLineTableHeader::tryGetFile	(	StringRef &	Directory,
		StringRef &	FileName,
		std::optional< MD5::MD5Result >	Checksum,
		std::optional< StringRef >	Source,
		uint16_t	DwarfVersion,
		unsigned	FileNumber = 0 )

Definition at line 648 of file MCDwarf.cpp.

References assert(), CompilationDir, llvm::StringRef::empty(), llvm::sys::path::filename(), llvm::find(), HasAnySource, llvm::inconvertibleErrorCode(), isRootFile(), llvm::make_error(), MCDwarfDirs, MCDwarfFiles, llvm::sys::path::parent_path(), RootFile, SourceIdMap, llvm::toStringRef(), and trackMD5Usage().

Member Data Documentation

CompilationDir

std::string llvm::MCDwarfLineTableHeader::CompilationDir

Definition at line 282 of file MCDwarf.h.

Referenced by setRootFile(), and tryGetFile().

HasAnySource

bool llvm::MCDwarfLineTableHeader::HasAnySource = false

Definition at line 284 of file MCDwarf.h.

Referenced by resetFileTable(), setRootFile(), and tryGetFile().

Label

MCSymbol* llvm::MCDwarfLineTableHeader::Label = nullptr

Definition at line 278 of file MCDwarf.h.

Referenced by Emit().

MCDwarfDirs

SmallVector<std::string, 3> llvm::MCDwarfLineTableHeader::MCDwarfDirs

Definition at line 279 of file MCDwarf.h.

Referenced by resetFileTable(), and tryGetFile().

MCDwarfFiles

SmallVector<MCDwarfFile, 3> llvm::MCDwarfLineTableHeader::MCDwarfFiles

Definition at line 280 of file MCDwarf.h.

Referenced by isMD5UsageConsistent(), resetFileTable(), and tryGetFile().

RootFile

MCDwarfFile llvm::MCDwarfLineTableHeader::RootFile

Definition at line 283 of file MCDwarf.h.

Referenced by resetFileTable(), setRootFile(), and tryGetFile().

SourceIdMap

StringMap<unsigned> llvm::MCDwarfLineTableHeader::SourceIdMap

Definition at line 281 of file MCDwarf.h.

Referenced by tryGetFile().

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

• include/llvm/MC/MCDwarf.h
• lib/MC/MCDwarf.cpp