#include "llvm/MC/MCDwarf.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/Hashing.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/Config/config.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCObjectFileInfo.h"
#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/StringTableBuilder.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/EndianStream.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
#include <cstdint>
#include <string>
#include <utility>
#include <vector>

Include dependency graph for MCDwarf.cpp:

Classes
class	llvm::MCDwarfLineStr
	Manage the .debug_line_str section contents, if we use it. More...

struct	llvm::DenseMapInfo< CIEKey >

Namespaces
	llvm

Functions
static uint64_t	ScaleAddrDelta (MCContext &Context, uint64_t AddrDelta)

static const MCExpr *	makeEndMinusStartExpr (MCContext &Ctx, const MCSymbol &Start, const MCSymbol &End, int IntVal)

static const MCExpr *	makeStartPlusIntExpr (MCContext &Ctx, const MCSymbol &Start, int IntVal)

static void	emitDwarfLineTable (MCStreamer MCOS, MCSection Section, const MCLineSection::MCDwarfLineEntryCollection &LineEntries)

static const MCExpr *	forceExpAbs (MCStreamer &OS, const MCExpr *Expr)

static void	emitAbsValue (MCStreamer &OS, const MCExpr *Value, unsigned Size)

static void	emitOneV5FileEntry (MCStreamer *MCOS, const MCDwarfFile &DwarfFile, bool EmitMD5, bool HasSource, Optional< MCDwarfLineStr > &LineStr)

static bool	isRootFile (const MCDwarfFile &RootFile, StringRef &Directory, StringRef &FileName, Optional< MD5::MD5Result > Checksum)

static uint64_t	SpecialAddr (MCDwarfLineTableParams Params, uint64_t op)
	Given a special op, return the address skip amount (in units of DWARF2_LINE_MIN_INSN_LENGTH). More...

static void	EmitAbbrev (MCStreamer *MCOS, uint64_t Name, uint64_t Form)

static void	EmitGenDwarfAbbrev (MCStreamer *MCOS)

static void	EmitGenDwarfAranges (MCStreamer MCOS, const MCSymbol InfoSectionSymbol)

static void	EmitGenDwarfInfo (MCStreamer MCOS, const MCSymbol AbbrevSectionSymbol, const MCSymbol LineSectionSymbol, const MCSymbol RangesSymbol)

static MCSymbol *	emitGenDwarfRanges (MCStreamer *MCOS)

static int	getDataAlignmentFactor (MCStreamer &streamer)

static unsigned	getSizeForEncoding (MCStreamer &streamer, unsigned symbolEncoding)

static void	emitFDESymbol (MCObjectStreamer &streamer, const MCSymbol &symbol, unsigned symbolEncoding, bool isEH)

static void	EmitPersonality (MCStreamer &streamer, const MCSymbol &symbol, unsigned symbolEncoding)

static void	emitEncodingByte (MCObjectStreamer &Streamer, unsigned Encoding)

static unsigned	getCIEVersion (bool IsEH, unsigned DwarfVersion)

Function Documentation

◆ EmitAbbrev()

static void EmitAbbrev	(	MCStreamer *	MCOS,
		uint64_t	Name,
		uint64_t	Form
	)

static

Definition at line 786 of file MCDwarf.cpp.

References llvm::MCStreamer::emitULEB128IntValue().

Referenced by EmitGenDwarfAbbrev().

◆ emitAbsValue()

static void emitAbsValue	(	MCStreamer &	OS,
		const MCExpr *	Value,
		unsigned	Size
	)

static

Definition at line 308 of file MCDwarf.cpp.

References llvm::ISD::ABS, llvm::MCStreamer::emitValue(), forceExpAbs(), and llvm::Check::Size.

Referenced by emitFDESymbol(), EmitGenDwarfAranges(), EmitGenDwarfInfo(), and emitGenDwarfRanges().

◆ emitDwarfLineTable()

static void emitDwarfLineTable	(	MCStreamer *	MCOS,
		MCSection *	Section,
		const MCLineSection::MCDwarfLineEntryCollection &	LineEntries
	)

inlinestatic

Definition at line 165 of file MCDwarf.cpp.

References DWARF2_FLAG_BASIC_BLOCK, DWARF2_FLAG_EPILOGUE_BEGIN, DWARF2_FLAG_IS_STMT, DWARF2_FLAG_PROLOGUE_END, DWARF2_LINE_DEFAULT_IS_STMT, llvm::MCStreamer::emitDwarfAdvanceLineAddr(), llvm::MCStreamer::emitDwarfLineEndEntry(), llvm::MCStreamer::emitInt8(), llvm::MCStreamer::emitULEB128IntValue(), llvm::MCContext::getAsmInfo(), llvm::MCAsmInfo::getCodePointerSize(), llvm::MCStreamer::getContext(), llvm::MCContext::getDwarfVersion(), llvm::getULEB128Size(), llvm::ARMBuildAttrs::Section, and llvm::Check::Size.

Referenced by llvm::MCDwarfLineTable::emitCU().

◆ emitEncodingByte()

static void emitEncodingByte	(	MCObjectStreamer &	Streamer,
		unsigned	Encoding
	)

static

Definition at line 1337 of file MCDwarf.cpp.

References llvm::MCStreamer::emitInt8().

◆ emitFDESymbol()

static void emitFDESymbol	(	MCObjectStreamer &	streamer,
		const MCSymbol &	symbol,
		unsigned	symbolEncoding,
		bool	isEH
	)

static

Definition at line 1287 of file MCDwarf.cpp.

References llvm::MCAsmInfo::doDwarfFDESymbolsUseAbsDiff(), emitAbsValue(), llvm::MCStreamer::emitValue(), llvm::MCContext::getAsmInfo(), llvm::MCStreamer::getContext(), llvm::MCAsmInfo::getExprForFDESymbol(), getSizeForEncoding(), and llvm::size().

◆ EmitGenDwarfAbbrev()

static void EmitGenDwarfAbbrev ( MCStreamer * MCOS )

static

Definition at line 793 of file MCDwarf.cpp.

References llvm::dwarf::DW_CHILDREN_no, llvm::dwarf::DW_CHILDREN_yes, llvm::dwarf::DWARF64, EmitAbbrev(), llvm::MCStreamer::emitInt8(), llvm::MCStreamer::emitULEB128IntValue(), llvm::StringRef::empty(), llvm::MCContext::getCompilationDir(), llvm::MCStreamer::getContext(), llvm::MCObjectFileInfo::getDwarfAbbrevSection(), llvm::MCContext::getDwarfDebugFlags(), llvm::MCContext::getDwarfFormat(), llvm::MCContext::getDwarfVersion(), llvm::MCContext::getGenDwarfSectionSyms(), llvm::MCContext::getObjectFileInfo(), and llvm::MCStreamer::SwitchSection().

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

◆ EmitGenDwarfAranges()

static void EmitGenDwarfAranges	(	MCStreamer *	MCOS,
		const MCSymbol *	InfoSectionSymbol
	)

static

Definition at line 842 of file MCDwarf.cpp.

References Addr, assert(), llvm::MCSymbolRefExpr::create(), llvm::dwarf::DW_LENGTH_DWARF64, llvm::dwarf::DWARF64, emitAbsValue(), llvm::MCStreamer::emitInt16(), llvm::MCStreamer::emitInt32(), llvm::MCStreamer::emitInt8(), llvm::MCStreamer::emitIntValue(), llvm::MCStreamer::emitSymbolValue(), llvm::MCStreamer::emitValue(), llvm::MCContext::getAsmInfo(), llvm::MCAsmInfo::getCodePointerSize(), llvm::MCStreamer::getContext(), llvm::MCObjectFileInfo::getDwarfARangesSection(), llvm::MCContext::getDwarfFormat(), llvm::dwarf::getDwarfOffsetByteSize(), llvm::MCContext::getGenDwarfSectionSyms(), llvm::MCContext::getObjectFileInfo(), llvm::dwarf::getUnitLengthFieldByteSize(), i, makeEndMinusStartExpr(), llvm::MCAsmInfo::needsDwarfSectionOffsetDirective(), llvm::Check::Size, llvm::MCStreamer::SwitchSection(), and llvm::MCSymbolRefExpr::VK_None.

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

◆ EmitGenDwarfInfo()

static void EmitGenDwarfInfo	(	MCStreamer *	MCOS,
		const MCSymbol *	AbbrevSectionSymbol,
		const MCSymbol *	LineSectionSymbol,
		const MCSymbol *	RangesSymbol
	)