#include "ExecutionEngine/JITLink/MachOLinkGraphBuilder.h"

Classes
class	NormalizedSection

struct	NormalizedSymbol

Public Member Functions
virtual	~MachOLinkGraphBuilder ()

Expected< std::unique_ptr< LinkGraph > >	buildGraph ()

Protected Types
using	SectionParserFunction = std::function< Error(NormalizedSection &S)>

Protected Member Functions
	MachOLinkGraphBuilder (const object::MachOObjectFile &Obj, Triple TT, SubtargetFeatures Features, LinkGraph::GetEdgeKindNameFunction GetEdgeKindName)

LinkGraph &	getGraph () const

const object::MachOObjectFile &	getObject () const

void	addCustomSectionParser (StringRef SectionName, SectionParserFunction Parse)

virtual Error	addRelocations ()=0

template<typename... ArgTs>
NormalizedSymbol &	createNormalizedSymbol (ArgTs &&... Args)
	Create a symbol.

NormalizedSection &	getSectionByIndex (unsigned Index)
	Index is zero-based (MachO section indexes are usually one-based) and assumed to be in-range.

Expected< NormalizedSection & >	findSectionByIndex (unsigned Index)
	Try to get the section at the given index.

Expected< NormalizedSymbol & >	findSymbolByIndex (uint64_t Index)
	Try to get the symbol at the given index.

Symbol *	getSymbolByAddress (NormalizedSection &NSec, orc::ExecutorAddr Address)
	Returns the symbol with the highest address not greater than the search address, or null if no such symbol exists.

Expected< Symbol & >	findSymbolByAddress (NormalizedSection &NSec, orc::ExecutorAddr Address)
	Returns the symbol with the highest address not greater than the search address, or an error if no such symbol exists.

MachO::relocation_info	getRelocationInfo (const object::relocation_iterator RelItr)

Static Protected Member Functions
static Linkage	getLinkage (uint16_t Desc)

static Scope	getScope (StringRef Name, uint8_t Type)

static bool	isAltEntry (const NormalizedSymbol &NSym)

static bool	isDebugSection (const NormalizedSection &NSec)

static bool	isZeroFillSection (const NormalizedSection &NSec)

Detailed Description

Definition at line 29 of file MachOLinkGraphBuilder.h.

Member Typedef Documentation

◆ SectionParserFunction

using llvm::jitlink::MachOLinkGraphBuilder::SectionParserFunction = std::function<Error(NormalizedSection &S)>

protected

Definition at line 84 of file MachOLinkGraphBuilder.h.

Constructor & Destructor Documentation

◆ ~MachOLinkGraphBuilder()

llvm::jitlink::MachOLinkGraphBuilder::~MachOLinkGraphBuilder ( )

virtualdefault

◆ MachOLinkGraphBuilder()

llvm::jitlink::MachOLinkGraphBuilder::MachOLinkGraphBuilder	(	const object::MachOObjectFile &	Obj,
		Triple	TT,
		SubtargetFeatures	Features,
		LinkGraph::GetEdgeKindNameFunction	GetEdgeKindName
	)

protected

Definition at line 49 of file MachOLinkGraphBuilder.cpp.

References llvm::object::MachOObjectFile::getHeader64(), llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS, and string.

Member Function Documentation

◆ addCustomSectionParser()

void llvm::jitlink::MachOLinkGraphBuilder::addCustomSectionParser	(	StringRef	SectionName,
		SectionParserFunction	Parse
	)

protected

Definition at line 61 of file MachOLinkGraphBuilder.cpp.

References assert(), and llvm::StringMap< ValueTy, AllocatorTy >::count().

◆ addRelocations()

virtual Error llvm::jitlink::MachOLinkGraphBuilder::addRelocations ( )

protectedpure virtual

Referenced by buildGraph().

◆ buildGraph()

Expected< std::unique_ptr< LinkGraph > > llvm::jitlink::MachOLinkGraphBuilder::buildGraph ( )

Definition at line 25 of file MachOLinkGraphBuilder.cpp.

References addRelocations(), and llvm::object::MachOObjectFile::isRelocatableObject().

◆ createNormalizedSymbol()

template<typename... ArgTs>

NormalizedSymbol & llvm::jitlink::MachOLinkGraphBuilder::createNormalizedSymbol ( ArgTs &&... Args )

inlineprotected

Create a symbol.

Definition at line 101 of file MachOLinkGraphBuilder.h.

References Allocator, and Sym.

◆ findSectionByIndex()

Expected< NormalizedSection & > llvm::jitlink::MachOLinkGraphBuilder::findSectionByIndex ( unsigned Index )

inlineprotected

Try to get the section at the given index.

Will return an error if the given index is out of range, or if no section has been added for the given index.

Definition at line 119 of file MachOLinkGraphBuilder.h.

References llvm::formatv(), and I.

◆ findSymbolByAddress()

Expected< Symbol & > llvm::jitlink::MachOLinkGraphBuilder::findSymbolByAddress	(	NormalizedSection &	NSec,
		orc::ExecutorAddr	Address
	)

inlineprotected

Returns the symbol with the highest address not greater than the search address, or an error if no such symbol exists.

Definition at line 151 of file MachOLinkGraphBuilder.h.

References llvm::Address, llvm::formatv(), getAddress(), getSymbolByAddress(), and Sym.

◆ findSymbolByIndex()

Expected< NormalizedSymbol & > llvm::jitlink::MachOLinkGraphBuilder::findSymbolByIndex ( uint64_t Index )

inlineprotected

Try to get the symbol at the given index.

Will return an error if the given index is out of range, or if no symbol has been added for the given index.

Definition at line 130 of file MachOLinkGraphBuilder.h.

References assert(), llvm::formatv(), and I.

◆ getGraph()

LinkGraph & llvm::jitlink::MachOLinkGraphBuilder::getGraph ( ) const

inlineprotected

Definition at line 90 of file MachOLinkGraphBuilder.h.

References G.

◆ getLinkage()

Linkage llvm::jitlink::MachOLinkGraphBuilder::getLinkage ( uint16_t Desc )

staticprotected

Definition at line 68 of file MachOLinkGraphBuilder.cpp.

References llvm::MachO::N_WEAK_DEF, llvm::MachO::N_WEAK_REF, llvm::jitlink::Strong, and llvm::jitlink::Weak.

◆ getObject()

const object::MachOObjectFile & llvm::jitlink::MachOLinkGraphBuilder::getObject ( ) const

inlineprotected

Definition at line 92 of file MachOLinkGraphBuilder.h.

Referenced by getRelocationInfo().

◆ getRelocationInfo()

MachO::relocation_info llvm::jitlink::MachOLinkGraphBuilder::getRelocationInfo ( const object::relocation_iterator RelItr )

inlineprotected

Definition at line 169 of file MachOLinkGraphBuilder.h.

References getObject(), llvm::object::MachOObjectFile::getRelocation(), llvm::MachO::relocation_info::r_address, llvm::MachO::relocation_info::r_extern, llvm::MachO::relocation_info::r_length, llvm::MachO::relocation_info::r_pcrel, llvm::MachO::relocation_info::r_symbolnum, llvm::MachO::relocation_info::r_type, llvm::MachO::any_relocation_info::r_word0, and llvm::MachO::any_relocation_info::r_word1.

◆ getScope()

Scope llvm::jitlink::MachOLinkGraphBuilder::getScope	(	StringRef	Name,
		uint8_t	Type
	)

staticprotected

Definition at line 74 of file MachOLinkGraphBuilder.cpp.

References llvm::jitlink::Default, llvm::jitlink::Hidden, llvm::jitlink::Local, llvm::MachO::N_EXT, llvm::MachO::N_PEXT, and Name.

◆ getSectionByIndex()

NormalizedSection & llvm::jitlink::MachOLinkGraphBuilder::getSectionByIndex ( unsigned Index )

inlineprotected

Index is zero-based (MachO section indexes are usually one-based) and assumed to be in-range.

Client is responsible for checking.

Definition at line 110 of file MachOLinkGraphBuilder.h.

References assert(), and I.

◆ getSymbolByAddress()

Symbol * llvm::jitlink::MachOLinkGraphBuilder::getSymbolByAddress	(	NormalizedSection &	NSec,
		orc::ExecutorAddr	Address
	)

inlineprotected

Returns the symbol with the highest address not greater than the search address, or null if no such symbol exists.

Definition at line 141 of file MachOLinkGraphBuilder.h.

References llvm::Address, llvm::jitlink::MachOLinkGraphBuilder::NormalizedSection::CanonicalSymbols, and I.

Referenced by findSymbolByAddress().

◆ isAltEntry()

bool llvm::jitlink::MachOLinkGraphBuilder::isAltEntry ( const NormalizedSymbol & NSym )

staticprotected

Definition at line 84 of file MachOLinkGraphBuilder.cpp.

References llvm::jitlink::MachOLinkGraphBuilder::NormalizedSymbol::Desc, and llvm::MachO::N_ALT_ENTRY.

◆ isDebugSection()

bool llvm::jitlink::MachOLinkGraphBuilder::isDebugSection ( const NormalizedSection & NSec )

staticprotected

Definition at line 88 of file MachOLinkGraphBuilder.cpp.

References llvm::jitlink::MachOLinkGraphBuilder::NormalizedSection::Flags, llvm::MachO::S_ATTR_DEBUG, and llvm::jitlink::MachOLinkGraphBuilder::NormalizedSection::SegName.

◆ isZeroFillSection()

bool llvm::jitlink::MachOLinkGraphBuilder::isZeroFillSection ( const NormalizedSection & NSec )

staticprotected

Definition at line 93 of file MachOLinkGraphBuilder.cpp.

References llvm::jitlink::MachOLinkGraphBuilder::NormalizedSection::Flags, llvm::MachO::S_GB_ZEROFILL, llvm::MachO::S_THREAD_LOCAL_ZEROFILL, llvm::MachO::S_ZEROFILL, and llvm::MachO::SECTION_TYPE.

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

lib/ExecutionEngine/JITLink/MachOLinkGraphBuilder.h
lib/ExecutionEngine/JITLink/MachOLinkGraphBuilder.cpp

Classes

Public Member Functions

Protected Types

Protected Member Functions

Static Protected Member Functions

Detailed Description

Member Typedef Documentation

◆ SectionParserFunction

Constructor & Destructor Documentation

◆ ~MachOLinkGraphBuilder()

◆ MachOLinkGraphBuilder()

Member Function Documentation

◆ addCustomSectionParser()

◆ addRelocations()

◆ buildGraph()

◆ createNormalizedSymbol()

◆ findSectionByIndex()

◆ findSymbolByAddress()

◆ findSymbolByIndex()

◆ getGraph()

◆ getLinkage()

◆ getObject()

◆ getRelocationInfo()

◆ getScope()

◆ getSectionByIndex()

◆ getSymbolByAddress()

◆ isAltEntry()

◆ isDebugSection()

◆ isZeroFillSection()