#include "ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h"

Inheritance diagram for llvm::RuntimeDyldELF:

Collaboration diagram for llvm::RuntimeDyldELF:

[legend]

Public Member Functions
	RuntimeDyldELF (RuntimeDyld::MemoryManager &MemMgr, JITSymbolResolver &Resolver)

	~RuntimeDyldELF () override

std::unique_ptr< RuntimeDyld::LoadedObjectInfo >	loadObject (const object::ObjectFile &O) override

void	resolveRelocation (const RelocationEntry &RE, uint64_t Value) override
	A object file specific relocation resolver. More...

Expected< relocation_iterator >	processRelocationRef (unsigned SectionID, relocation_iterator RelI, const ObjectFile &Obj, ObjSectionToIDMap &ObjSectionToID, StubMap &Stubs) override
	Parses one or more object file relocations (some object files use relocation pairs) and stores it to Relocations or SymbolRelocations (this depends on the object file type). More...

bool	isCompatibleFile (const object::ObjectFile &Obj) const override

void	registerEHFrames () override

Error	finalizeLoad (const ObjectFile &Obj, ObjSectionToIDMap &SectionMap) override

Public Member Functions inherited from llvm::RuntimeDyldImpl
	RuntimeDyldImpl (RuntimeDyld::MemoryManager &MemMgr, JITSymbolResolver &Resolver)

virtual	~RuntimeDyldImpl ()

void	setProcessAllSections (bool ProcessAllSections)

void	setRuntimeDyldChecker (RuntimeDyldCheckerImpl *Checker)

uint8_t *	getSymbolLocalAddress (StringRef Name) const

JITEvaluatedSymbol	getSymbol (StringRef Name) const

std::map< StringRef, JITEvaluatedSymbol >	getSymbolTable () const

void	resolveRelocations ()

void	resolveLocalRelocations ()

void	reassignSectionAddress (unsigned SectionID, uint64_t Addr)

void	mapSectionAddress (const void *LocalAddress, uint64_t TargetAddress)

bool	hasError ()

void	clearError ()

StringRef	getErrorString ()

void	deregisterEHFrames ()

Static Public Member Functions
static std::unique_ptr< RuntimeDyldELF >	create (Triple::ArchType Arch, RuntimeDyld::MemoryManager &MemMgr, JITSymbolResolver &Resolver)

Static Public Member Functions inherited from llvm::RuntimeDyldImpl
static void	finalizeAsync (std::unique_ptr< RuntimeDyldImpl > This, std::function< void(Error)> OnEmitted, std::unique_ptr< MemoryBuffer > UnderlyingBuffer)

Protected Member Functions
size_t	getGOTEntrySize () override

Protected Member Functions inherited from llvm::RuntimeDyldImpl
uint64_t	getSectionLoadAddress (unsigned SectionID) const

uint8_t *	getSectionAddress (unsigned SectionID) const

void	writeInt16BE (uint8_t *Addr, uint16_t Value)

void	writeInt32BE (uint8_t *Addr, uint32_t Value)

void	writeInt64BE (uint8_t *Addr, uint64_t Value)

uint64_t	readBytesUnaligned (uint8_t *Src, unsigned Size) const
	Endian-aware read Read the least significant Size bytes from Src. More...

void	writeBytesUnaligned (uint64_t Value, uint8_t *Dst, unsigned Size) const
	Endian-aware write. More...

virtual Expected< JITSymbolFlags >	getJITSymbolFlags (const SymbolRef &Sym)
	Generate JITSymbolFlags from a libObject symbol. More...

virtual uint64_t	modifyAddressBasedOnFlags (uint64_t Addr, JITSymbolFlags Flags) const
	Modify the given target address based on the given symbol flags. More...

Error	emitCommonSymbols (const ObjectFile &Obj, CommonSymbolList &CommonSymbols, uint64_t CommonSize, uint32_t CommonAlign)
	Given the common symbols discovered in the object file, emit a new section for them and update the symbol mappings in the object and symbol table. More...

Expected< unsigned >	emitSection (const ObjectFile &Obj, const SectionRef &Section, bool IsCode)
	Emits section data from the object file to the MemoryManager. More...

Expected< unsigned >	findOrEmitSection (const ObjectFile &Obj, const SectionRef &Section, bool IsCode, ObjSectionToIDMap &LocalSections)
	Find Section in LocalSections. More...

void	addRelocationForSection (const RelocationEntry &RE, unsigned SectionID)

void	addRelocationForSymbol (const RelocationEntry &RE, StringRef SymbolName)

uint8_t *	createStubFunction (uint8_t *Addr, unsigned AbiVariant=0)
	Emits long jump instruction to Addr. More...

void	resolveRelocationList (const RelocationList &Relocs, uint64_t Value)
	Resolves relocations from Relocs list with address from Value. More...

void	applyExternalSymbolRelocations (const StringMap< JITEvaluatedSymbol > ExternalSymbolMap)

Error	resolveExternalSymbols ()
	Resolve relocations to external symbols. More...

Error	computeTotalAllocSize (const ObjectFile &Obj, uint64_t &CodeSize, uint32_t &CodeAlign, uint64_t &RODataSize, uint32_t &RODataAlign, uint64_t &RWDataSize, uint32_t &RWDataAlign)

unsigned	computeGOTSize (const ObjectFile &Obj)

unsigned	computeSectionStubBufSize (const ObjectFile &Obj, const SectionRef &Section)

Expected< ObjSectionToIDMap >	loadObjectImpl (const object::ObjectFile &Obj)

Protected Attributes
DenseMap< SID, SID >	SectionToGOTMap

Protected Attributes inherited from llvm::RuntimeDyldImpl
RuntimeDyld::MemoryManager &	MemMgr

JITSymbolResolver &	Resolver

RuntimeDyldCheckerImpl *	Checker

SectionList	Sections

RTDyldSymbolTable	GlobalSymbolTable

std::unordered_map< unsigned, RelocationList >	Relocations

StringMap< RelocationList >	ExternalSymbolRelocations

Triple::ArchType	Arch

bool	IsTargetLittleEndian

bool	IsMipsO32ABI

bool	IsMipsN32ABI

bool	IsMipsN64ABI

bool	ProcessAllSections

sys::Mutex	lock

bool	HasError

std::string	ErrorStr

Additional Inherited Members
Protected Types inherited from llvm::RuntimeDyldImpl
typedef SmallVector< SectionEntry, 64 >	SectionList

typedef unsigned	SID

typedef std::map< SectionRef, unsigned >	ObjSectionToIDMap

typedef std::vector< SymbolRef >	CommonSymbolList

typedef SmallVector< RelocationEntry, 64 >	RelocationList

typedef std::map< RelocationValueRef, uintptr_t >	StubMap

Static Protected Attributes inherited from llvm::RuntimeDyldImpl
static const unsigned	AbsoluteSymbolSection = ~0U

Detailed Description

Definition at line 27 of file RuntimeDyldELF.h.

Constructor & Destructor Documentation

◆ RuntimeDyldELF()

llvm::RuntimeDyldELF::RuntimeDyldELF	(	RuntimeDyld::MemoryManager &	MemMgr,
		JITSymbolResolver &	Resolver
	)

Definition at line 220 of file RuntimeDyldELF.cpp.

◆ ~RuntimeDyldELF()

llvm::RuntimeDyldELF::~RuntimeDyldELF ( )

override

Definition at line 223 of file RuntimeDyldELF.cpp.

Member Function Documentation

◆ create()

std::unique_ptr< RuntimeDyldELF > llvm::RuntimeDyldELF::create	(	Triple::ArchType	Arch,
		RuntimeDyld::MemoryManager &	MemMgr,
		JITSymbolResolver &	Resolver
	)

static

Definition at line 237 of file RuntimeDyldELF.cpp.

References llvm::RuntimeDyldImpl::MemMgr, llvm::Triple::mips, llvm::Triple::mips64, llvm::Triple::mips64el, llvm::Triple::mipsel, and llvm::RuntimeDyldImpl::Resolver.

Referenced by llvm::createRuntimeDyldELF().

◆ finalizeLoad()

Error llvm::RuntimeDyldELF::finalizeLoad	(	const ObjectFile &	Obj,
		ObjSectionToIDMap &	SectionMap
	)

overridevirtual

◆ getGOTEntrySize()

size_t llvm::RuntimeDyldELF::getGOTEntrySize ( )

overrideprotectedvirtual

Reimplemented from llvm::RuntimeDyldImpl.

Definition at line 1760 of file RuntimeDyldELF.cpp.

References llvm::Triple::aarch64, llvm::Triple::aarch64_be, llvm::RuntimeDyldImpl::addRelocationForSection(), llvm::RuntimeDyldImpl::addRelocationForSymbol(), llvm::RuntimeDyldImpl::Arch, llvm::Triple::arm, E, llvm::RuntimeDyldImpl::IsMipsN32ABI, llvm::RuntimeDyldImpl::IsMipsN64ABI, llvm::RuntimeDyldImpl::IsMipsO32ABI, llvm_unreachable, llvm::Triple::mips, llvm::Triple::mips64, llvm::Triple::mips64el, llvm::Triple::mipsel, llvm::RelocationValueRef::Offset, llvm::Triple::ppc64, llvm::Triple::ppc64le, llvm::SmallVectorTemplateBase< T, bool >::push_back(), llvm::RelocationValueRef::SectionID, llvm::RuntimeDyldImpl::Sections, llvm::SmallVectorBase::size(), llvm::RelocationValueRef::SymbolName, llvm::Triple::systemz, llvm::Triple::thumb, llvm::Triple::x86, and llvm::Triple::x86_64.

Referenced by finalizeLoad(), and llvm::RuntimeDyldELFMips::resolveRelocation().

◆ isCompatibleFile()

bool llvm::RuntimeDyldELF::isCompatibleFile ( const object::ObjectFile & Obj ) const

overridevirtual

Implements llvm::RuntimeDyldImpl.

Definition at line 1900 of file RuntimeDyldELF.cpp.

References llvm::Triple::aarch64, llvm::Triple::aarch64_be, llvm::RuntimeDyldImpl::Arch, llvm::object::RelocationRef::getType(), llvm::object::Binary::isELF(), and llvm::Triple::x86_64.

◆ loadObject()

std::unique_ptr< RuntimeDyld::LoadedObjectInfo > llvm::RuntimeDyldELF::loadObject ( const object::ObjectFile & O )

overridevirtual

Implements llvm::RuntimeDyldImpl.

Definition at line 252 of file RuntimeDyldELF.cpp.

◆ processRelocationRef()

Expected< relocation_iterator > llvm::RuntimeDyldELF::processRelocationRef	(	unsigned	SectionID,
		relocation_iterator	RelI,
		const ObjectFile &	Obj,
		ObjSectionToIDMap &	ObjSectionToID,
		StubMap &	Stubs
	)

overridevirtual

Parses one or more object file relocations (some object files use relocation pairs) and stores it to Relocations or SymbolRelocations (this depends on the object file type).