llvm::orc::ELFDebugObject Class Reference

The current implementation of ELFDebugObject replicates the approach used in RuntimeDyld: It patches executable and data section headers in the given object buffer with load-addresses of their corresponding sections in target memory. More...

Inheritance diagram for llvm::orc::ELFDebugObject:

Public Member Functions
void	reportSectionTargetMemoryRange (StringRef Name, SectionRange TargetMem) override
StringRef	getBuffer () const
Public Member Functions inherited from llvm::orc::DebugObject
	DebugObject (JITLinkMemoryManager &MemMgr, const JITLinkDylib *JD, ExecutionSession &ES)
bool	hasFlags (DebugObjectFlags F) const
void	setFlags (DebugObjectFlags F)
void	clearFlags (DebugObjectFlags F)
void	finalizeAsync (FinalizeContinuation OnFinalize)
virtual	~DebugObject ()
virtual void	reportSectionTargetMemoryRange (StringRef Name, SectionRange TargetMem)

Static Public Member Functions
static Expected< std::unique_ptr< DebugObject > >	Create (MemoryBufferRef Buffer, JITLinkContext &Ctx, ExecutionSession &ES)

Protected Member Functions
Expected< SimpleSegmentAlloc >	finalizeWorkingMemory () override
template<typename ELFT >
Error	recordSection (StringRef Name, std::unique_ptr< ELFDebugObjectSection< ELFT > > Section)
DebugObjectSection *	getSection (StringRef Name)
virtual Expected< SimpleSegmentAlloc >	finalizeWorkingMemory ()=0

Additional Inherited Members
Public Types inherited from llvm::orc::DebugObject
using	FinalizeContinuation = std::function< void(Expected< ExecutorAddrRange >)>
Protected Types inherited from llvm::orc::DebugObject
using	InFlightAlloc = JITLinkMemoryManager::InFlightAlloc
using	FinalizedAlloc = JITLinkMemoryManager::FinalizedAlloc
Protected Attributes inherited from llvm::orc::DebugObject
JITLinkMemoryManager &	MemMgr
const JITLinkDylib *	JD = nullptr

Detailed Description

The current implementation of ELFDebugObject replicates the approach used in RuntimeDyld: It patches executable and data section headers in the given object buffer with load-addresses of their corresponding sections in target memory.

Definition at line 188 of file DebugObjectManagerPlugin.cpp.

Member Function Documentation

Create()

Expected< std::unique_ptr< DebugObject > > llvm::orc::ELFDebugObject::Create ( MemoryBufferRef  Buffer, JITLinkContext &  Ctx, ExecutionSession &  ES  )

static

Definition at line 297 of file DebugObjectManagerPlugin.cpp.

References llvm::ELF::ELFCLASS32, llvm::ELF::ELFCLASS64, llvm::ELF::ELFDATA2LSB, llvm::ELF::ELFDATA2MSB, Endian, llvm::MemoryBufferRef::getBuffer(), llvm::object::getElfArchType(), llvm::jitlink::JITLinkContext::getJITLinkDylib(), and llvm::jitlink::JITLinkContext::getMemoryManager().

Referenced by llvm::orc::createDebugObjectFromBuffer().

finalizeWorkingMemory()

Expected< SimpleSegmentAlloc > llvm::orc::ELFDebugObject::finalizeWorkingMemory ( )

overrideprotectedvirtual

Implements llvm::orc::DebugObject.

Definition at line 323 of file DebugObjectManagerPlugin.cpp.

References llvm::jitlink::SimpleSegmentAlloc::Create(), llvm::dbgs(), llvm::MemoryBufferRef::getBufferIdentifier(), llvm::MemoryBufferRef::getBufferSize(), llvm::MemoryBufferRef::getBufferStart(), llvm::sys::Process::getPageSizeEstimate(), llvm::orc::DebugObject::JD, LLVM_DEBUG, llvm::orc::DebugObject::MemMgr, PageSize, llvm::orc::Read, and Size.

getBuffer()

StringRef llvm::orc::ELFDebugObject::getBuffer ( ) const

inline

Definition at line 196 of file DebugObjectManagerPlugin.cpp.

References llvm::MemoryBufferRef::getBuffer().

getSection()

DebugObjectSection * llvm::orc::ELFDebugObject::getSection ( StringRef  Name )

protected

Definition at line 368 of file DebugObjectManagerPlugin.cpp.

References Name.

Referenced by reportSectionTargetMemoryRange().

recordSection()

template<typename ELFT >

Error llvm::orc::ELFDebugObject::recordSection ( StringRef  Name, std::unique_ptr< ELFDebugObjectSection< ELFT > >  Section  )

protected

Definition at line 356 of file DebugObjectManagerPlugin.cpp.

References llvm::dbgs(), llvm::MemoryBufferRef::getBufferIdentifier(), LLVM_DEBUG, Name, and llvm::Error::success().

reportSectionTargetMemoryRange()

void llvm::orc::ELFDebugObject::reportSectionTargetMemoryRange ( StringRef  Name, SectionRange  TargetMem  )

overridevirtual

Reimplemented from llvm::orc::DebugObject.

Definition at line 349 of file DebugObjectManagerPlugin.cpp.

References getSection(), and Name.

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

• lib/ExecutionEngine/Orc/DebugObjectManagerPlugin.cpp