llvm::objcopy::elf::SymbolTableSection Class Reference

#include "ObjCopy/ELF/ELFObject.h"

Inheritance diagram for llvm::objcopy::elf::SymbolTableSection:

Public Member Functions
	SymbolTableSection ()
void	addSymbol (Twine Name, uint8_t Bind, uint8_t Type, SectionBase *DefinedIn, uint64_t Value, uint8_t Visibility, uint16_t Shndx, uint64_t SymbolSize)
void	prepareForLayout ()
bool	empty () const
bool	indicesChanged () const
void	setShndxTable (SectionIndexSection *ShndxTable)
const SectionIndexSection *	getShndxTable () const
void	fillShndxTable ()
const SectionBase *	getStrTab () const
Expected< const Symbol * >	getSymbolByIndex (uint32_t Index) const
Expected< Symbol * >	getSymbolByIndex (uint32_t Index)
void	updateSymbols (function_ref< void(Symbol &)> Callable)
Error	removeSectionReferences (bool AllowBrokenLinks, function_ref< bool(const SectionBase *)> ToRemove) override
Error	initialize (SectionTableRef SecTable) override
void	finalize () override
Error	accept (SectionVisitor &Visitor) const override
Error	accept (MutableSectionVisitor &Visitor) override
Error	removeSymbols (function_ref< bool(const Symbol &)> ToRemove) override
void	replaceSectionReferences (const DenseMap< SectionBase *, SectionBase * > &FromTo) override
Public Member Functions inherited from llvm::objcopy::elf::SectionBase
	SectionBase ()=default
	SectionBase (const SectionBase &)=default
virtual	~SectionBase ()=default
virtual void	markSymbols ()
virtual bool	hasContents () const
virtual ArrayRef< uint8_t >	getContents () const
virtual void	onRemove ()
virtual void	restoreSymTabLink (SymbolTableSection &)

Static Public Member Functions
static bool	classof (const SectionBase *S)

Protected Types
using	SymPtr = std::unique_ptr<Symbol>

Protected Attributes
std::vector< std::unique_ptr< Symbol > >	Symbols
StringTableSection *	SymbolNames = nullptr
SectionIndexSection *	SectionIndexTable = nullptr
bool	IndicesChanged = false

Additional Inherited Members
Public Attributes inherited from llvm::objcopy::elf::SectionBase
std::string	Name
Segment *	ParentSegment = nullptr
uint64_t	HeaderOffset = 0
uint32_t	Index = 0
uint32_t	OriginalIndex = 0
uint64_t	OriginalFlags = 0
uint64_t	OriginalType = ELF::SHT_NULL
uint64_t	OriginalOffset = std::numeric_limits<uint64_t>::max()
uint64_t	Addr = 0
uint64_t	Align = 1
uint32_t	EntrySize = 0
uint64_t	Flags = 0
uint64_t	Info = 0
uint64_t	Link = ELF::SHN_UNDEF
uint64_t	NameIndex = 0
uint64_t	Offset = 0
uint64_t	Size = 0
uint64_t	Type = ELF::SHT_NULL
ArrayRef< uint8_t >	OriginalData
bool	HasSymbol = false

Detailed Description

Definition at line 811 of file ELFObject.h.

Member Typedef Documentation

SymPtr

using llvm::objcopy::elf::SymbolTableSection::SymPtr = std::unique_ptr<Symbol>

protected

Definition at line 823 of file ELFObject.h.

Constructor & Destructor Documentation

SymbolTableSection()

llvm::objcopy::elf::SymbolTableSection::SymbolTableSection ( )

inline

Definition at line 826 of file ELFObject.h.

References llvm::objcopy::elf::SectionBase::OriginalType, llvm::ELF::SHT_SYMTAB, and llvm::objcopy::elf::SectionBase::Type.

Referenced by getSymbolByIndex().

Member Function Documentation

accept() [1/2]

Error SymbolTableSection::accept ( MutableSectionVisitor & Visitor )

overridevirtual

Implements llvm::objcopy::elf::SectionBase.

Definition at line 882 of file ELFObject.cpp.

References llvm::objcopy::elf::MutableSectionVisitor::visit().

accept() [2/2]

Error SymbolTableSection::accept ( SectionVisitor & Visitor ) const

overridevirtual

Implements llvm::objcopy::elf::SectionBase.

Definition at line 878 of file ELFObject.cpp.

References llvm::objcopy::elf::SectionVisitor::visit().

addSymbol()

void SymbolTableSection::addSymbol	(	Twine	Name,
		uint8_t	Bind,
		uint8_t	Type,
		SectionBase *	DefinedIn,
		uint64_t	Value,
		uint8_t	Visibility,
		uint16_t	Shndx,
		uint64_t	SymbolSize )

Definition at line 714 of file ELFObject.cpp.

References llvm::objcopy::elf::Symbol::Binding, llvm::objcopy::elf::Symbol::DefinedIn, llvm::objcopy::elf::SectionBase::EntrySize, llvm::objcopy::elf::SectionBase::HasSymbol, llvm::objcopy::elf::Symbol::Index, llvm::objcopy::elf::SectionBase::Name, llvm::objcopy::elf::Symbol::Name, llvm::objcopy::elf::SectionBase::SectionBase(), llvm::ELF::SHN_LORESERVE, llvm::objcopy::elf::Symbol::ShndxType, llvm::objcopy::elf::SectionBase::Size, llvm::objcopy::elf::Symbol::Size, llvm::objcopy::elf::SYMBOL_SIMPLE_INDEX, Symbols, llvm::objcopy::elf::SectionBase::Type, llvm::objcopy::elf::Symbol::Type, llvm::objcopy::elf::Symbol::Value, and llvm::objcopy::elf::Symbol::Visibility.

Referenced by llvm::objcopy::elf::Object::addNewSymbolTable(), and addSymbol().

classof()

bool llvm::objcopy::elf::SymbolTableSection::classof ( const SectionBase * S )

inlinestatic

Definition at line 856 of file ELFObject.h.

References llvm::objcopy::elf::SectionBase::OriginalType, llvm::objcopy::elf::SectionBase::SectionBase(), and llvm::ELF::SHT_SYMTAB.

empty()

bool llvm::objcopy::elf::SymbolTableSection::empty ( ) const

inline

Definition at line 833 of file ELFObject.h.

References Symbols.

Referenced by removeUnneededSections(), and replaceAndRemoveSections().

fillShndxTable()

void SymbolTableSection::fillShndxTable

(

)

Definition at line 831 of file ELFObject.cpp.

References SectionIndexTable, llvm::ELF::SHN_LORESERVE, llvm::ELF::SHN_UNDEF, and Symbols.

finalize()

void SymbolTableSection::finalize ( )

overridevirtual

Reimplemented from llvm::objcopy::elf::SectionBase.

Definition at line 802 of file ELFObject.cpp.

References llvm::objcopy::elf::SectionBase::Info, llvm::objcopy::elf::SectionBase::Link, llvm::ELF::STB_LOCAL, SymbolNames, and Symbols.

getShndxTable()

const SectionIndexSection * llvm::objcopy::elf::SymbolTableSection::getShndxTable ( ) const

inline

Definition at line 838 of file ELFObject.h.

References SectionIndexTable.

getStrTab()

const SectionBase * llvm::objcopy::elf::SymbolTableSection::getStrTab ( ) const

inline

Definition at line 840 of file ELFObject.h.

References llvm::objcopy::elf::SectionBase::SectionBase(), and SymbolNames.

Referenced by removeUnneededSections(), and replaceAndRemoveSections().

getSymbolByIndex() [1/2]

Expected< Symbol * > SymbolTableSection::getSymbolByIndex

(

uint32_t

Index

)

Definition at line 852 of file ELFObject.cpp.

References getSymbolByIndex(), llvm::objcopy::elf::SectionBase::Index, SymbolTableSection(), and llvm::Expected< T >::takeError().

getSymbolByIndex() [2/2]

Expected< const Symbol * > SymbolTableSection::getSymbolByIndex

(

uint32_t

Index

)

const

Definition at line 845 of file ELFObject.cpp.

References llvm::createStringError(), llvm::objcopy::elf::SectionBase::Index, llvm::invalid_argument, and Symbols.

Referenced by getSymbolByIndex(), and initRelocations().

indicesChanged()

bool llvm::objcopy::elf::SymbolTableSection::indicesChanged ( ) const

inline

Definition at line 834 of file ELFObject.h.

References IndicesChanged.

initialize()

Error SymbolTableSection::initialize ( SectionTableRef SecTable )

overridevirtual

Reimplemented from llvm::objcopy::elf::SectionBase.

Definition at line 786 of file ELFObject.cpp.

References llvm::objcopy::elf::SectionTableRef::getSectionOfType(), llvm::objcopy::elf::SectionBase::Link, llvm::objcopy::elf::SectionBase::Size, llvm::Error::success(), and llvm::Expected< T >::takeError().

Referenced by llvm::objcopy::elf::Object::addNewSymbolTable().

prepareForLayout()

void SymbolTableSection::prepareForLayout

(

)

Definition at line 815 of file ELFObject.cpp.

References SectionIndexTable, SymbolNames, and Symbols.

removeSectionReferences()

Error SymbolTableSection::removeSectionReferences ( bool AllowBrokenLinks, function_ref< bool(const SectionBase *)> ToRemove )

overridevirtual

Reimplemented from llvm::objcopy::elf::SectionBase.

Definition at line 739 of file ELFObject.cpp.

References llvm::createStringError(), llvm::objcopy::elf::Symbol::DefinedIn, llvm::invalid_argument, removeSymbols(), llvm::objcopy::elf::SectionBase::SectionBase(), SectionIndexTable, SymbolNames, and ToRemove.

removeSymbols()

Error SymbolTableSection::removeSymbols ( function_ref< bool(const Symbol &)> ToRemove )

overridevirtual

Reimplemented from llvm::objcopy::elf::SectionBase.

Definition at line 765 of file ELFObject.cpp.

References llvm::objcopy::elf::SectionBase::EntrySize, IndicesChanged, llvm::objcopy::elf::SectionBase::Size, llvm::Error::success(), Symbols, and ToRemove.

Referenced by removeSectionReferences().

replaceSectionReferences()

void SymbolTableSection::replaceSectionReferences ( const DenseMap< SectionBase *, SectionBase * > & FromTo )

overridevirtual

Reimplemented from llvm::objcopy::elf::SectionBase.

Definition at line 779 of file ELFObject.cpp.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::lookup(), llvm::objcopy::elf::SectionBase::SectionBase(), and Symbols.

setShndxTable()

void llvm::objcopy::elf::SymbolTableSection::setShndxTable ( SectionIndexSection * ShndxTable )

inline

Definition at line 835 of file ELFObject.h.

References SectionIndexTable.

updateSymbols()

void SymbolTableSection::updateSymbols

(

function_ref< void(Symbol &)>

Callable

)

Definition at line 756 of file ELFObject.cpp.

References llvm::drop_begin(), llvm::ELF::STB_LOCAL, and Symbols.

Referenced by updateAndRemoveSymbols().

Member Data Documentation

IndicesChanged

bool llvm::objcopy::elf::SymbolTableSection::IndicesChanged = false

protected

Definition at line 821 of file ELFObject.h.

Referenced by indicesChanged(), and removeSymbols().

SectionIndexTable

SectionIndexSection* llvm::objcopy::elf::SymbolTableSection::SectionIndexTable = nullptr

protected

Definition at line 820 of file ELFObject.h.

Referenced by fillShndxTable(), getShndxTable(), prepareForLayout(), removeSectionReferences(), and setShndxTable().

SymbolNames

StringTableSection* llvm::objcopy::elf::SymbolTableSection::SymbolNames = nullptr

protected

Definition at line 819 of file ELFObject.h.

Referenced by finalize(), getStrTab(), prepareForLayout(), and removeSectionReferences().

Symbols

std::vector<std::unique_ptr<Symbol> > llvm::objcopy::elf::SymbolTableSection::Symbols

protected

Definition at line 818 of file ELFObject.h.

Referenced by addSymbol(), empty(), fillShndxTable(), finalize(), getSymbolByIndex(), prepareForLayout(), removeSymbols(), replaceSectionReferences(), updateSymbols(), llvm::objcopy::elf::ELFSectionSizer< ELFT >::visit(), and llvm::objcopy::elf::ELFSectionWriter< ELFT >::visit().

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

• lib/ObjCopy/ELF/ELFObject.h
• lib/ObjCopy/ELF/ELFObject.cpp