llvm::jitlink::COFFLinkGraphBuilder Class Reference

#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, 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, Triple  TT, SubtargetFeatures  Features, LinkGraph::GetEdgeKindNameFunction  GetEdgeKindName  )

protected

Definition at line 26 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 79 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 99 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 185 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 44 of file COFFLinkGraphBuilder.h.

getGraphBlock()

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

inlineprotected

Definition at line 74 of file COFFLinkGraphBuilder.h.

Referenced by forEachRelocation().

getGraphSymbol()

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

inlineprotected

Definition at line 61 of file COFFLinkGraphBuilder.h.

getObject()

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

inlineprotected

Definition at line 46 of file COFFLinkGraphBuilder.h.

graphifySections()

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

protected

Definition at line 121 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 200 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::dwarf::toString().

Referenced by buildGraph().

sections()

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

inlineprotected

Definition at line 81 of file COFFLinkGraphBuilder.h.

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

setGraphBlock()

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

inlineprotected

Definition at line 68 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 53 of file COFFLinkGraphBuilder.h.

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

Referenced by graphifySymbols().

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

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