#include "ExecutionEngine/JITLink/COFFLinkGraphBuilder.h"

Public Member Functions
virtual	~COFFLinkGraphBuilder ()

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

Protected Types
using	COFFSectionIndex = int32_t

using	COFFSymbolIndex = int32_t

Protected Member Functions
	COFFLinkGraphBuilder (const object::COFFObjectFile &Obj, std::shared_ptr< orc::SymbolStringPool > SSP, Triple TT, SubtargetFeatures Features, LinkGraph::GetEdgeKindNameFunction GetEdgeKindName)

LinkGraph &	getGraph () const

const object::COFFObjectFile &	getObject () const

virtual Error	addRelocations ()=0

Error	graphifySections ()

Error	graphifySymbols ()

void	setGraphSymbol (COFFSectionIndex SecIndex, COFFSymbolIndex SymIndex, Symbol &Sym)

Symbol *	getGraphSymbol (COFFSymbolIndex SymIndex) const

void	setGraphBlock (COFFSectionIndex SecIndex, Block *B)

Block *	getGraphBlock (COFFSectionIndex SecIndex) const

object::COFFObjectFile::section_iterator_range	sections () const

template<typename RelocHandlerFunction >
Error	forEachRelocation (const object::SectionRef &RelSec, RelocHandlerFunction &&Func, bool ProcessDebugSections=false)
	Traverse all matching relocation records in the given section.

template<typename ClassT , typename RelocHandlerMethod >
Error	forEachRelocation (const object::SectionRef &RelSec, ClassT *Instance, RelocHandlerMethod &&Method, bool ProcessDebugSections=false)
	Traverse all matching relocation records in the given section.

Detailed Description

Definition at line 31 of file COFFLinkGraphBuilder.h.

Member Typedef Documentation

◆ COFFSectionIndex

using llvm::jitlink::COFFLinkGraphBuilder::COFFSectionIndex = int32_t

protected

Definition at line 37 of file COFFLinkGraphBuilder.h.

◆ COFFSymbolIndex

using llvm::jitlink::COFFLinkGraphBuilder::COFFSymbolIndex = int32_t

protected

Definition at line 38 of file COFFLinkGraphBuilder.h.

Constructor & Destructor Documentation

◆ ~COFFLinkGraphBuilder()

llvm::jitlink::COFFLinkGraphBuilder::~COFFLinkGraphBuilder ( )

virtualdefault

◆ COFFLinkGraphBuilder()

llvm::jitlink::COFFLinkGraphBuilder::COFFLinkGraphBuilder	(	const object::COFFObjectFile &	Obj,
		std::shared_ptr< orc::SymbolStringPool >	SSP,
		Triple	TT,
		SubtargetFeatures	Features,
		LinkGraph::GetEdgeKindNameFunction	GetEdgeKindName
	)

protected

Definition at line 28 of file COFFLinkGraphBuilder.cpp.

References llvm::dbgs(), llvm::object::Binary::getFileName(), and LLVM_DEBUG.

Member Function Documentation

◆ addRelocations()

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

protectedpure virtual

Referenced by buildGraph().

◆ buildGraph()

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

Definition at line 85 of file COFFLinkGraphBuilder.cpp.

References addRelocations(), graphifySections(), and graphifySymbols().

◆ forEachRelocation() [1/2]

template<typename ClassT , typename RelocHandlerMethod >

Error llvm::jitlink::COFFLinkGraphBuilder::forEachRelocation	(	const object::SectionRef &	RelSec,
		ClassT *	Instance,
		RelocHandlerMethod &&	Method,
		bool	ProcessDebugSections = `false`
	)

inlineprotected

Traverse all matching relocation records in the given section.

Convenience wrapper to allow passing a member function for the handler.

Definition at line 100 of file COFFLinkGraphBuilder.h.

References forEachRelocation().

◆ forEachRelocation() [2/2]

template<typename RelocHandlerFunction >

Error llvm::jitlink::COFFLinkGraphBuilder::forEachRelocation	(	const object::SectionRef &	RelSec,
		RelocHandlerFunction &&	Func,
		bool	ProcessDebugSections = `false`
	)

protected

Traverse all matching relocation records in the given section.

The handler function Func should be callable with this signature: Error(const object::RelocationRef&, const object::SectionRef&, Section &)

Definition at line 187 of file COFFLinkGraphBuilder.h.

References llvm::dbgs(), llvm::object::COFFObjectFile::getCOFFSection(), getGraphBlock(), llvm::object::SectionRef::getIndex(), llvm::object::COFFObjectFile::getSectionName(), llvm::inconvertibleErrorCode(), LLVM_DEBUG, Name, llvm::object::SectionRef::relocations(), and llvm::Error::success().

Referenced by forEachRelocation().

◆ getGraph()

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

inlineprotected

Definition at line 45 of file COFFLinkGraphBuilder.h.

◆ getGraphBlock()

Block * llvm::jitlink::COFFLinkGraphBuilder::getGraphBlock ( COFFSectionIndex SecIndex ) const

inlineprotected

Definition at line 75 of file COFFLinkGraphBuilder.h.

Referenced by forEachRelocation().

◆ getGraphSymbol()

Symbol * llvm::jitlink::COFFLinkGraphBuilder::getGraphSymbol ( COFFSymbolIndex SymIndex ) const

inlineprotected

Definition at line 62 of file COFFLinkGraphBuilder.h.

◆ getObject()

const object::COFFObjectFile & llvm::jitlink::COFFLinkGraphBuilder::getObject ( ) const

inlineprotected

Definition at line 47 of file COFFLinkGraphBuilder.h.

◆ graphifySections()

Error llvm::jitlink::COFFLinkGraphBuilder::graphifySections ( )

protected

Definition at line 127 of file COFFLinkGraphBuilder.cpp.

References B, llvm::Data, llvm::dbgs(), llvm::orc::Exec, llvm::COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA, llvm::COFF::IMAGE_SCN_LNK_REMOVE, llvm::COFF::IMAGE_SCN_MEM_EXECUTE, llvm::COFF::IMAGE_SCN_MEM_READ, llvm::COFF::IMAGE_SCN_MEM_WRITE, LLVM_DEBUG, llvm::orc::NoAlloc, llvm::orc::Read, setGraphBlock(), llvm::Error::success(), llvm::Expected< T >::takeError(), and llvm::orc::Write.

Referenced by buildGraph().

◆ graphifySymbols()

Error llvm::jitlink::COFFLinkGraphBuilder::graphifySymbols ( )

protected

Definition at line 206 of file COFFLinkGraphBuilder.cpp.

References Characteristics, llvm::dbgs(), llvm::formatv(), llvm::COFF::isReservedSectionNumber(), LLVM_DEBUG, setGraphSymbol(), llvm::Error::success(), Sym, llvm::object::coff_aux_weak_external::TagIndex, llvm::Expected< T >::takeError(), and llvm::toString().

Referenced by buildGraph().

◆ sections()

object::COFFObjectFile::section_iterator_range llvm::jitlink::COFFLinkGraphBuilder::sections ( ) const

inlineprotected

Definition at line 82 of file COFFLinkGraphBuilder.h.

References llvm::object::ObjectFile::sections().

◆ setGraphBlock()

void llvm::jitlink::COFFLinkGraphBuilder::setGraphBlock	(	COFFSectionIndex	SecIndex,
		Block *	B
	)

inlineprotected

Definition at line 69 of file COFFLinkGraphBuilder.h.

References assert(), B, and llvm::COFF::isReservedSectionNumber().

Referenced by graphifySections().

◆ setGraphSymbol()

void llvm::jitlink::COFFLinkGraphBuilder::setGraphSymbol	(	COFFSectionIndex	SecIndex,
		COFFSymbolIndex	SymIndex,
		Symbol &	Sym
	)

inlineprotected

Definition at line 54 of file COFFLinkGraphBuilder.h.

References assert(), llvm::COFF::isReservedSectionNumber(), and Sym.

Referenced by graphifySymbols().

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

lib/ExecutionEngine/JITLink/COFFLinkGraphBuilder.h
lib/ExecutionEngine/JITLink/COFFLinkGraphBuilder.cpp

Public Member Functions

Protected Types

Protected Member Functions

Detailed Description

Member Typedef Documentation

◆ COFFSectionIndex

◆ COFFSymbolIndex

Constructor & Destructor Documentation

◆ ~COFFLinkGraphBuilder()

◆ COFFLinkGraphBuilder()

Member Function Documentation

◆ addRelocations()

◆ buildGraph()

◆ forEachRelocation() [1/2]

◆ forEachRelocation() [2/2]

◆ getGraph()

◆ getGraphBlock()

◆ getGraphSymbol()

◆ getObject()

◆ graphifySections()

◆ graphifySymbols()

◆ sections()

◆ setGraphBlock()

◆ setGraphSymbol()