LLVM: llvm::DwarfUnits Class Reference

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Collects and handles information specific to a particular collection of units. More...

#include <DwarfDebug.h>

Public Member Functions
	DwarfUnits (AsmPrinter AP, FoldingSet< DIEAbbrev > AS, std::vector< DIEAbbrev * > &A, const char *Pref, BumpPtrAllocator &DA)

unsigned	computeSizeAndOffset (DIE *Die, unsigned Offset)
	Compute the size and offset of a DIE given an incoming Offset. More...

void	computeSizeAndOffsets ()
	Compute the size and offset of all the DIEs. More...

void	assignAbbrevNumber (DIEAbbrev &Abbrev)
	Define a unique number for the abbreviation. More...

void	addUnit (CompileUnit *CU)
	Add a unit to the list of CUs. More...

void	emitUnits (DwarfDebug DD, const MCSection USection, const MCSection ASection, const MCSymbol ASectionSym)
	Emit all of the units to the section listed with the given abbreviation section. More...

void	emitStrings (const MCSection StrSection, const MCSection OffsetSection, const MCSymbol *StrSecSym)
	Emit all of the strings to the section given. More...

void	emitAddresses (const MCSection *AddrSection)
	Emit all of the addresses to the section given. More...

MCSymbol *	getStringPoolSym ()
	Returns the entry into the start of the pool. More...

MCSymbol *	getStringPoolEntry (StringRef Str)
	Returns an entry into the string pool with the given string text. More...

unsigned	getStringPoolIndex (StringRef Str)
	Returns the index into the string pool with the given string text. More...

StrPool *	getStringPool ()
	Returns the string pool. More...

unsigned	getAddrPoolIndex (const MCExpr *Sym)
	Returns the index into the address pool with the given label/symbol. More...

unsigned	getAddrPoolIndex (const MCSymbol *Sym)

AddrPool *	getAddrPool ()
	Returns the address pool. More...

Detailed Description

Collects and handles information specific to a particular collection of units.

Definition at line 221 of file DwarfDebug.h.

Constructor & Destructor Documentation

llvm::DwarfUnits::DwarfUnits	(	AsmPrinter *	AP,
		FoldingSet< DIEAbbrev > *	AS,
		std::vector< DIEAbbrev * > &	A,
		const char *	Pref,
		BumpPtrAllocator &	DA
	)

inline

Definition at line 251 of file DwarfDebug.h.

Member Function Documentation

void llvm::DwarfUnits::addUnit ( CompileUnit * CU )

inline

Add a unit to the list of CUs.

Definition at line 268 of file DwarfDebug.h.

void DwarfUnits::assignAbbrevNumber ( DIEAbbrev & Abbrev )

Define a unique number for the abbreviation.

Definition at line 275 of file DwarfDebug.cpp.

References llvm::DIEAbbrev::getNumber(), and llvm::DIEAbbrev::setNumber().

Referenced by computeSizeAndOffset().

unsigned DwarfUnits::computeSizeAndOffset	(	DIE *	Die,
		unsigned	Offset
	)

Compute the size and offset of a DIE given an incoming Offset.

Definition at line 1928 of file DwarfDebug.cpp.

References assignAbbrevNumber(), llvm::dwarf::DW_CHILDREN_yes, llvm::DIE::getAbbrev(), llvm::DIE::getAbbrevNumber(), llvm::DIE::getChildren(), llvm::DIEAbbrev::getChildrenFlag(), llvm::DIEAbbrev::getData(), llvm::DIE::getOffset(), llvm::MCAsmInfo::getULEB128Size(), llvm::DIE::getValues(), N, llvm::DIE::setOffset(), llvm::DIE::setSize(), llvm::SmallVectorTemplateCommon< T >::size(), and llvm::Module::size().

Referenced by computeSizeAndOffsets().

void DwarfUnits::computeSizeAndOffsets ( )

Compute the size and offset of all the DIEs.

Definition at line 1970 of file DwarfDebug.cpp.

References computeSizeAndOffset(), and I.

void DwarfUnits::emitAddresses ( const MCSection * AddrSection )

Emit all of the addresses to the section given.

Definition at line 2619 of file DwarfDebug.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::begin(), llvm::MCStreamer::EmitIntValue(), llvm::MCStreamer::EmitValue(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::empty(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::end(), for(), llvm::AsmPrinter::getDataLayout(), llvm::DataLayout::getPointerSize(), I, llvm::AsmPrinter::OutStreamer, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::size(), and llvm::MCStreamer::SwitchSection().

Referenced by llvm::DwarfDebug::endModule().

void DwarfUnits::emitStrings	(	const MCSection *	StrSection,
		const MCSection *	OffsetSection = `NULL`,
		const MCSymbol *	StrSecSym = `NULL`
	)

Emit all of the strings to the section given.

Definition at line 2576 of file DwarfDebug.cpp.

References llvm::array_pod_sort(), llvm::MCStreamer::EmitBytes(), llvm::MCStreamer::EmitIntValue(), llvm::MCStreamer::EmitLabel(), llvm::StringPool::empty(), I, llvm::AsmPrinter::OutStreamer, and llvm::MCStreamer::SwitchSection().

void DwarfUnits::emitUnits	(	DwarfDebug *	DD,
		const MCSection *	USection,
		const MCSection *	ASection,
		const MCSymbol *	ASectionSym
	)

Emit all of the units to the section listed with the given abbreviation section.

Definition at line 2156 of file DwarfDebug.cpp.

References llvm::MCStreamer::AddComment(), llvm::DwarfDebug::emitDIE(), llvm::CompileUnit::emitHeader(), llvm::AsmPrinter::EmitInt32(), llvm::MCStreamer::EmitLabel(), llvm::CompileUnit::getCUDie(), llvm::CompileUnit::getHeaderSize(), llvm::MCSection::getLabelBeginName(), llvm::MCSection::getLabelEndName(), llvm::DIE::getSize(), llvm::AsmPrinter::GetTempSymbol(), llvm::CompileUnit::getUniqueID(), I, llvm::AsmPrinter::OutStreamer, and llvm::MCStreamer::SwitchSection().

AddrPool* llvm::DwarfUnits::getAddrPool ( )

inline

Returns the address pool.

Definition at line 302 of file DwarfDebug.h.

unsigned DwarfUnits::getAddrPoolIndex ( const MCExpr * Sym )

Returns the index into the address pool with the given label/symbol.

Definition at line 265 of file DwarfDebug.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::insert(), and P.

Referenced by llvm::CompileUnit::addLabelAddress(), llvm::CompileUnit::addOpAddress(), llvm::CompileUnit::createGlobalVariableDIE(), and getAddrPoolIndex().

unsigned DwarfUnits::getAddrPoolIndex ( const MCSymbol * Sym )

Definition at line 261 of file DwarfDebug.cpp.

References llvm::MCSymbolRefExpr::Create(), getAddrPoolIndex(), and llvm::AsmPrinter::OutContext.

StrPool* llvm::DwarfUnits::getStringPool ( )

inline

Returns the string pool.

Definition at line 294 of file DwarfDebug.h.

MCSymbol * DwarfUnits::getStringPoolEntry ( StringRef Str )

Returns an entry into the string pool with the given string text.

Definition at line 242 of file DwarfDebug.cpp.

References llvm::AsmPrinter::GetTempSymbol().

Referenced by llvm::CompileUnit::addAccelName(), llvm::CompileUnit::addAccelNamespace(), llvm::CompileUnit::addAccelObjC(), llvm::CompileUnit::addAccelType(), llvm::CompileUnit::addLocalString(), and llvm::CompileUnit::addString().

unsigned DwarfUnits::getStringPoolIndex ( StringRef Str )

Returns the index into the string pool with the given string text.

Definition at line 251 of file DwarfDebug.cpp.

References llvm::AsmPrinter::GetTempSymbol().

Referenced by llvm::CompileUnit::addString().

MCSymbol * DwarfUnits::getStringPoolSym ( )

Returns the entry into the start of the pool.

Definition at line 238 of file DwarfDebug.cpp.

References llvm::AsmPrinter::GetTempSymbol().

Referenced by llvm::CompileUnit::addLocalString(), and llvm::CompileUnit::addString().

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