llvm::RuntimeDyldImpl Class Reference

#include "ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h"

Inheritance diagram for llvm::RuntimeDyldImpl:

Public Member Functions
	RuntimeDyldImpl (RuntimeDyld::MemoryManager &MemMgr, JITSymbolResolver &Resolver)
virtual	~RuntimeDyldImpl ()
void	setProcessAllSections (bool ProcessAllSections)
virtual std::unique_ptr< RuntimeDyld::LoadedObjectInfo >	loadObject (const object::ObjectFile &Obj)=0
uint64_t	getSectionLoadAddress (unsigned SectionID) const
uint8_t *	getSectionAddress (unsigned SectionID) const
StringRef	getSectionContent (unsigned SectionID) const
uint8_t *	getSymbolLocalAddress (StringRef Name) const
unsigned	getSymbolSectionID (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 ()
virtual bool	isCompatibleFile (const ObjectFile &Obj) const =0
void	setNotifyStubEmitted (NotifyStubEmittedFunction NotifyStubEmitted)
virtual void	registerEHFrames ()
void	deregisterEHFrames ()
virtual Error	finalizeLoad (const ObjectFile &ObjImg, ObjSectionToIDMap &SectionMap)

Static Public Member Functions
static void	finalizeAsync (std::unique_ptr< RuntimeDyldImpl > This, unique_function< void(object::OwningBinary< object::ObjectFile >, std::unique_ptr< RuntimeDyld::LoadedObjectInfo >, Error)> OnEmitted, object::OwningBinary< object::ObjectFile > O, std::unique_ptr< RuntimeDyld::LoadedObjectInfo > Info)

Protected Types
typedef std::deque< SectionEntry >	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
using	NotifyStubEmittedFunction = RuntimeDyld::NotifyStubEmittedFunction

Protected Member Functions
virtual unsigned	getMaxStubSize () const =0
virtual Align	getStubAlignment ()=0
void	writeInt16BE (uint8_t *Addr, uint16_t Value)
void	writeInt32BE (uint8_t *Addr, uint32_t Value)
void	writeInt64BE (uint8_t *Addr, uint64_t Value)
virtual void	setMipsABI (const ObjectFile &Obj)
uint64_t	readBytesUnaligned (uint8_t *Src, unsigned Size) const
	Endian-aware read Read the least significant Size bytes from Src.
void	writeBytesUnaligned (uint64_t Value, uint8_t *Dst, unsigned Size) const
	Endian-aware write.
virtual Expected< JITSymbolFlags >	getJITSymbolFlags (const SymbolRef &Sym)
	Generate JITSymbolFlags from a libObject symbol.
virtual uint64_t	modifyAddressBasedOnFlags (uint64_t Addr, JITSymbolFlags Flags) const
	Modify the given target address based on the given symbol flags.
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.
Expected< unsigned >	emitSection (const ObjectFile &Obj, const SectionRef &Section, bool IsCode)
	Emits section data from the object file to the MemoryManager.
Expected< unsigned >	findOrEmitSection (const ObjectFile &Obj, const SectionRef &Section, bool IsCode, ObjSectionToIDMap &LocalSections)
	Find Section in LocalSections.
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.
void	resolveRelocationList (const RelocationList &Relocs, uint64_t Value)
	Resolves relocations from Relocs list with address from Value.
virtual void	resolveRelocation (const RelocationEntry &RE, uint64_t Value)=0
	A object file specific relocation resolver.
virtual Expected< relocation_iterator >	processRelocationRef (unsigned SectionID, relocation_iterator RelI, const ObjectFile &Obj, ObjSectionToIDMap &ObjSectionToID, StubMap &Stubs)=0
	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).
void	applyExternalSymbolRelocations (const StringMap< JITEvaluatedSymbol > ExternalSymbolMap)
Error	resolveExternalSymbols ()
	Resolve relocations to external symbols.
Error	computeTotalAllocSize (const ObjectFile &Obj, uint64_t &CodeSize, Align &CodeAlign, uint64_t &RODataSize, Align &RODataAlign, uint64_t &RWDataSize, Align &RWDataAlign)
unsigned	computeGOTSize (const ObjectFile &Obj)
unsigned	computeSectionStubBufSize (const ObjectFile &Obj, const SectionRef &Section)
Expected< ObjSectionToIDMap >	loadObjectImpl (const object::ObjectFile &Obj)
virtual size_t	getGOTEntrySize ()
virtual void	processNewSymbol (const SymbolRef &ObjSymbol, SymbolTableEntry &Entry)
virtual bool	relocationNeedsGot (const RelocationRef &R) const
virtual bool	relocationNeedsStub (const RelocationRef &R) const
virtual bool	relocationNeedsDLLImportStub (const RelocationRef &R) const
virtual unsigned	sizeAfterAddingDLLImportStub (unsigned Size) const

Protected Attributes
RuntimeDyld::MemoryManager &	MemMgr
JITSymbolResolver &	Resolver
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
NotifyStubEmittedFunction	NotifyStubEmitted
bool	HasError
std::string	ErrorStr

Static Protected Attributes
static const unsigned	AbsoluteSymbolSection = ~0U

Friends
class	RuntimeDyld::LoadedObjectInfo

Detailed Description

Definition at line 239 of file RuntimeDyldImpl.h.

Member Typedef Documentation

CommonSymbolList

typedef std::vector<SymbolRef> llvm::RuntimeDyldImpl::CommonSymbolList

protected

Definition at line 268 of file RuntimeDyldImpl.h.

NotifyStubEmittedFunction

using llvm::RuntimeDyldImpl::NotifyStubEmittedFunction = RuntimeDyld::NotifyStubEmittedFunction

protected

Definition at line 311 of file RuntimeDyldImpl.h.

ObjSectionToIDMap

typedef std::map<SectionRef, unsigned> llvm::RuntimeDyldImpl::ObjSectionToIDMap

protected

Definition at line 262 of file RuntimeDyldImpl.h.

RelocationList

typedef SmallVector<RelocationEntry, 64> llvm::RuntimeDyldImpl::RelocationList

protected

Definition at line 275 of file RuntimeDyldImpl.h.

SectionList

typedef std::deque<SectionEntry> llvm::RuntimeDyldImpl::SectionList

protected

Definition at line 254 of file RuntimeDyldImpl.h.

SID

typedef unsigned llvm::RuntimeDyldImpl::SID

protected

Definition at line 257 of file RuntimeDyldImpl.h.

StubMap

typedef std::map<RelocationValueRef, uintptr_t> llvm::RuntimeDyldImpl::StubMap

protected

Definition at line 287 of file RuntimeDyldImpl.h.

Constructor & Destructor Documentation

RuntimeDyldImpl()

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

inline

Definition at line 470 of file RuntimeDyldImpl.h.

~RuntimeDyldImpl()

RuntimeDyldImpl::~RuntimeDyldImpl ( )

virtualdefault

Member Function Documentation

addRelocationForSection()

void llvm::RuntimeDyldImpl::addRelocationForSection ( const RelocationEntry &  RE, unsigned  SectionID  )

protected

Definition at line 949 of file RuntimeDyld.cpp.

Referenced by llvm::RuntimeDyldCOFFAArch64::processRelocationRef(), llvm::RuntimeDyldCOFFI386::processRelocationRef(), llvm::RuntimeDyldCOFFThumb::processRelocationRef(), llvm::RuntimeDyldCOFFX86_64::processRelocationRef(), llvm::RuntimeDyldMachOAArch64::processRelocationRef(), llvm::RuntimeDyldMachOARM::processRelocationRef(), llvm::RuntimeDyldMachOI386::processRelocationRef(), llvm::RuntimeDyldMachOX86_64::processRelocationRef(), llvm::RuntimeDyldELF::processRelocationRef(), and llvm::RuntimeDyldMachO::processScatteredVANILLA().

addRelocationForSymbol()

void llvm::RuntimeDyldImpl::addRelocationForSymbol ( const RelocationEntry &  RE, StringRef  SymbolName  )

protected

Definition at line 954 of file RuntimeDyld.cpp.

References llvm::RelocationEntry::Addend, and assert().

Referenced by llvm::RuntimeDyldCOFF::getDLLImportOffset(), llvm::RuntimeDyldMachO::populateIndirectSymbolPointersSection(), llvm::RuntimeDyldCOFFAArch64::processRelocationRef(), llvm::RuntimeDyldCOFFI386::processRelocationRef(), llvm::RuntimeDyldCOFFThumb::processRelocationRef(), llvm::RuntimeDyldCOFFX86_64::processRelocationRef(), llvm::RuntimeDyldMachOAArch64::processRelocationRef(), llvm::RuntimeDyldMachOARM::processRelocationRef(), llvm::RuntimeDyldMachOI386::processRelocationRef(), llvm::RuntimeDyldMachOX86_64::processRelocationRef(), and llvm::RuntimeDyldELF::processRelocationRef().

applyExternalSymbolRelocations()

void llvm::RuntimeDyldImpl::applyExternalSymbolRelocations ( const StringMap< JITEvaluatedSymbol >  ExternalSymbolMap )

protected

Definition at line 1124 of file RuntimeDyld.cpp.

References Addr, assert(), llvm::dbgs(), llvm::StringMap< ValueTy, AllocatorTy >::end(), llvm::StringMap< ValueTy, AllocatorTy >::find(), llvm::format(), LLVM_DEBUG, Name, llvm::report_fatal_error(), and UINT64_MAX.

clearError()

void llvm::RuntimeDyldImpl::clearError ( )

inline

Definition at line 582 of file RuntimeDyldImpl.h.

References HasError.

computeGOTSize()

unsigned llvm::RuntimeDyldImpl::computeGOTSize ( const ObjectFile &  Obj )

protected

Definition at line 650 of file RuntimeDyld.cpp.

References llvm::object::ObjectFile::section_begin(), and llvm::object::ObjectFile::section_end().

computeSectionStubBufSize()

unsigned llvm::RuntimeDyldImpl::computeSectionStubBufSize ( const ObjectFile &  Obj, const SectionRef &  Section  )

protected

Definition at line 668 of file RuntimeDyld.cpp.

References llvm::commonAlignment(), llvm::report_fatal_error(), llvm::object::ObjectFile::section_begin(), llvm::object::ObjectFile::section_end(), llvm::Expected< T >::takeError(), llvm::toString(), and llvm::Align::value().

computeTotalAllocSize()

Error llvm::RuntimeDyldImpl::computeTotalAllocSize ( const ObjectFile &  Obj, uint64_t &  CodeSize, Align &  CodeAlign, uint64_t &  RODataSize, Align &  RODataAlign, uint64_t &  RWDataSize, Align &  RWDataAlign  )

protected

Definition at line 535 of file RuntimeDyld.cpp.

References llvm::alignTo(), llvm::computeAllocationSizeForSections(), E, I, llvm::isReadOnlyData(), llvm::isRequiredForExecution(), llvm::isTLS(), Name, llvm::object::ObjectFile::section_begin(), llvm::object::ObjectFile::section_end(), Size, llvm::Error::success(), llvm::object::SymbolicFile::symbol_begin(), llvm::object::SymbolicFile::symbol_end(), and llvm::Expected< T >::takeError().

createStubFunction()

uint8_t * llvm::RuntimeDyldImpl::createStubFunction ( uint8_t *  Addr, unsigned  AbiVariant = 0  )

protected

Emits long jump instruction to Addr.

Returns

Pointer to the memory area for emitting target address.

Definition at line 973 of file RuntimeDyld.cpp.

References llvm::Triple::aarch64, llvm::Triple::aarch64_32, llvm::Triple::aarch64_be, Addr, llvm::Triple::arm, llvm::Triple::armeb, llvm::ELF::EF_MIPS_ARCH, llvm::ELF::EF_MIPS_ARCH_32R6, llvm::ELF::EF_MIPS_ARCH_64R6, llvm::Triple::loongarch64, llvm::Triple::ppc64, llvm::Triple::ppc64le, llvm::Triple::systemz, llvm::Triple::x86, and llvm::Triple::x86_64.

Referenced by llvm::RuntimeDyldCOFFAArch64::generateRelocationStub(), llvm::RuntimeDyldCOFFX86_64::generateRelocationStub(), and llvm::RuntimeDyldELF::processRelocationRef().

deregisterEHFrames()

void llvm::RuntimeDyldImpl::deregisterEHFrames

(

)

Definition at line 76 of file RuntimeDyld.cpp.

emitCommonSymbols()

Error llvm::RuntimeDyldImpl::emitCommonSymbols ( const ObjectFile &  Obj, CommonSymbolList &  CommonSymbols, uint64_t  CommonSize, uint32_t  CommonAlign  )

protected

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.

Definition at line 748 of file RuntimeDyld.cpp.

References Addr, llvm::dbgs(), llvm::format(), LLVM_DEBUG, Name, llvm::Offset, llvm::offsetToAlignment(), llvm::report_fatal_error(), Size, llvm::Error::success(), and Sym.

emitSection()

Expected< unsigned > llvm::RuntimeDyldImpl::emitSection ( const ObjectFile &  Obj, const SectionRef &  Section, bool  IsCode  )

protected

Emits section data from the object file to the MemoryManager.

Parameters

IsCode

if it's true then allocateCodeSection() will be used for emits, else allocateDataSection() will be used.

Returns

SectionID.

Definition at line 804 of file RuntimeDyld.cpp.

References Addr, data, llvm::dbgs(), E, llvm::format(), llvm::isReadOnlyData(), llvm::isRequiredForExecution(), llvm::isTLS(), llvm::isZeroInit(), LLVM_DEBUG, Name, llvm::report_fatal_error(), llvm::Expected< T >::takeError(), and llvm::Align::value().

finalizeAsync()

void llvm::RuntimeDyldImpl::finalizeAsync ( std::unique_ptr< RuntimeDyldImpl >  This, unique_function< void(object::OwningBinary< object::ObjectFile >, std::unique_ptr< RuntimeDyld::LoadedObjectInfo >, Error)>  OnEmitted, object::OwningBinary< object::ObjectFile >  O, std::unique_ptr< RuntimeDyld::LoadedObjectInfo >  Info  )

static

Copy the result into a StringMap, where the keys are held by value.

Definition at line 1231 of file RuntimeDyld.cpp.

References assert(), llvm::inconvertibleErrorCode(), Info, Name, and llvm::Error::success().

Referenced by llvm::jitLinkForORC().

finalizeLoad()

virtual Error llvm::RuntimeDyldImpl::finalizeLoad ( const ObjectFile &  ObjImg, ObjSectionToIDMap &  SectionMap  )

inlinevirtual

Reimplemented in llvm::RuntimeDyldCOFFX86_64, llvm::RuntimeDyldELF, llvm::RuntimeDyldMachOCRTPBase< Impl >, llvm::RuntimeDyldMachOCRTPBase< RuntimeDyldMachOAArch64 >, llvm::RuntimeDyldMachOCRTPBase< RuntimeDyldMachOARM >, llvm::RuntimeDyldMachOCRTPBase< RuntimeDyldMachOI386 >, and llvm::RuntimeDyldMachOCRTPBase< RuntimeDyldMachOX86_64 >.

Definition at line 597 of file RuntimeDyldImpl.h.

References llvm::Error::success().

findOrEmitSection()

Expected< unsigned > llvm::RuntimeDyldImpl::findOrEmitSection ( const ObjectFile &  Obj, const SectionRef &  Section, bool  IsCode, ObjSectionToIDMap &  LocalSections  )

protected

Find Section in LocalSections.

If the secton is not found - emit it and store in LocalSections.

Parameters

IsCode

if it's true then allocateCodeSection() will be used for emmits, else allocateDataSection() will be used.

Returns

SectionID.

Definition at line 930 of file RuntimeDyld.cpp.

Referenced by llvm::RuntimeDyldMachO::getRelocationValueRef(), llvm::RuntimeDyldCOFFAArch64::processRelocationRef(), llvm::RuntimeDyldCOFFI386::processRelocationRef(), llvm::RuntimeDyldCOFFThumb::processRelocationRef(), llvm::RuntimeDyldCOFFX86_64::processRelocationRef(), llvm::RuntimeDyldELF::processRelocationRef(), and llvm::RuntimeDyldMachO::processScatteredVANILLA().

getErrorString()

StringRef llvm::RuntimeDyldImpl::getErrorString ( )

inline

Definition at line 585 of file RuntimeDyldImpl.h.

References ErrorStr.

getGOTEntrySize()

virtual size_t llvm::RuntimeDyldImpl::getGOTEntrySize ( )

inlineprotectedvirtual

Reimplemented in llvm::RuntimeDyldELF.

Definition at line 443 of file RuntimeDyldImpl.h.

getJITSymbolFlags()

Expected< JITSymbolFlags > llvm::RuntimeDyldImpl::getJITSymbolFlags ( const SymbolRef &  Sym )

protectedvirtual

Generate JITSymbolFlags from a libObject symbol.

Reimplemented in llvm::RuntimeDyldCOFFThumb, and llvm::RuntimeDyldMachOARM.

Definition at line 744 of file RuntimeDyld.cpp.

References llvm::JITSymbolFlags::fromObjectSymbol().

Referenced by llvm::RuntimeDyldCOFFThumb::getJITSymbolFlags(), and llvm::RuntimeDyldMachOARM::getJITSymbolFlags().

getMaxStubSize()

virtual unsigned llvm::RuntimeDyldImpl::getMaxStubSize ( ) const

protectedpure virtual

Implemented in llvm::RuntimeDyldCOFFAArch64, llvm::RuntimeDyldCOFFI386, llvm::RuntimeDyldCOFFThumb, llvm::RuntimeDyldCOFFX86_64, llvm::RuntimeDyldMachOAArch64, llvm::RuntimeDyldMachOARM, llvm::RuntimeDyldMachOI386, and llvm::RuntimeDyldMachOX86_64.

Referenced by getSectionContent().

getSectionAddress()

uint8_t * llvm::RuntimeDyldImpl::getSectionAddress ( unsigned  SectionID ) const

inline

Definition at line 492 of file RuntimeDyldImpl.h.

References AbsoluteSymbolSection, and Sections.

Referenced by getSymbolLocalAddress().

getSectionContent()

StringRef llvm::RuntimeDyldImpl::getSectionContent ( unsigned  SectionID ) const

inline

Definition at line 499 of file RuntimeDyldImpl.h.

References AbsoluteSymbolSection, getAddress(), getMaxStubSize(), and Sections.

getSectionLoadAddress()

uint64_t llvm::RuntimeDyldImpl::getSectionLoadAddress ( unsigned  SectionID ) const

inline

Definition at line 485 of file RuntimeDyldImpl.h.

References AbsoluteSymbolSection, and Sections.

Referenced by getSymbol(), and getSymbolTable().

getStubAlignment()

virtual Align llvm::RuntimeDyldImpl::getStubAlignment ( )

protectedpure virtual

Implemented in llvm::RuntimeDyldCOFFAArch64, llvm::RuntimeDyldCOFFI386, llvm::RuntimeDyldCOFFThumb, llvm::RuntimeDyldCOFFX86_64, llvm::RuntimeDyldMachOAArch64, llvm::RuntimeDyldMachOARM, llvm::RuntimeDyldMachOI386, and llvm::RuntimeDyldMachOX86_64.

getSymbol()

JITEvaluatedSymbol llvm::RuntimeDyldImpl::getSymbol ( StringRef  Name ) const

inline

Definition at line 528 of file RuntimeDyldImpl.h.

References AbsoluteSymbolSection, llvm::StringMap< ValueTy, AllocatorTy >::end(), llvm::StringMap< ValueTy, AllocatorTy >::find(), getSectionLoadAddress(), GlobalSymbolTable, modifyAddressBasedOnFlags(), and Name.

getSymbolLocalAddress()

uint8_t * llvm::RuntimeDyldImpl::getSymbolLocalAddress ( StringRef  Name ) const

inline

Definition at line 508 of file RuntimeDyldImpl.h.

References AbsoluteSymbolSection, llvm::StringMap< ValueTy, AllocatorTy >::end(), llvm::StringMap< ValueTy, AllocatorTy >::find(), getSectionAddress(), GlobalSymbolTable, and Name.

getSymbolSectionID()

unsigned llvm::RuntimeDyldImpl::getSymbolSectionID ( StringRef  Name ) const

inline

Definition at line 521 of file RuntimeDyldImpl.h.

References llvm::StringMap< ValueTy, AllocatorTy >::end(), llvm::StringMap< ValueTy, AllocatorTy >::find(), GlobalSymbolTable, and Name.

getSymbolTable()

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

inline

Definition at line 548 of file RuntimeDyldImpl.h.

References getSectionLoadAddress(), and GlobalSymbolTable.

hasError()

bool llvm::RuntimeDyldImpl::hasError ( )

inline

Definition at line 579 of file RuntimeDyldImpl.h.

References HasError.

isCompatibleFile()

virtual bool llvm::RuntimeDyldImpl::isCompatibleFile ( const ObjectFile &  Obj ) const

pure virtual

Implemented in llvm::RuntimeDyldCOFF, llvm::RuntimeDyldELF, and llvm::RuntimeDyldMachO.

loadObject()

virtual std::unique_ptr< RuntimeDyld::LoadedObjectInfo > llvm::RuntimeDyldImpl::loadObject ( const object::ObjectFile &  Obj )

pure virtual

Implemented in llvm::RuntimeDyldELF, llvm::RuntimeDyldMachO, and llvm::RuntimeDyldCOFF.

loadObjectImpl()

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

protected

Definition at line 182 of file RuntimeDyld.cpp.

References Addr, llvm::alignTo(), llvm::dbgs(), E, llvm::format(), llvm::object::ObjectFile::getArch(), llvm::object::Binary::getFileName(), llvm::getOffset(), I, llvm::object::Binary::isLittleEndian(), llvm::object::SectionRef::isText(), LLVM_DEBUG, Name, llvm::object::ObjectFile::section_begin(), llvm::object::ObjectFile::section_end(), Size, llvm::object::SymbolRef::ST_Data, llvm::object::SymbolRef::ST_File, llvm::object::SymbolRef::ST_Function, llvm::object::SymbolRef::ST_Other, llvm::object::SymbolRef::ST_Unknown, Sym, llvm::object::SymbolicFile::symbol_begin(), llvm::object::SymbolicFile::symbol_end(), llvm::object::ObjectFile::symbols(), and llvm::Expected< T >::takeError().

Referenced by llvm::RuntimeDyldELF::loadObject(), llvm::RuntimeDyldMachO::loadObject(), and llvm::RuntimeDyldCOFF::loadObject().

mapSectionAddress()

void llvm::RuntimeDyldImpl::mapSectionAddress	(	const void *	LocalAddress,
		uint64_t	TargetAddress
	)

Definition at line 160 of file RuntimeDyld.cpp.

References getAddress(), and llvm_unreachable.

modifyAddressBasedOnFlags()

virtual uint64_t llvm::RuntimeDyldImpl::modifyAddressBasedOnFlags ( uint64_t  Addr, JITSymbolFlags  Flags  ) const

inlineprotectedvirtual

Modify the given target address based on the given symbol flags.

This can be used by subclasses to tweak addresses based on symbol flags, For example: the MachO/ARM target uses it to set the low bit if the target is a thumb symbol.

Reimplemented in llvm::RuntimeDyldMachOARM.

Definition at line 362 of file RuntimeDyldImpl.h.

References Addr.

Referenced by getSymbol().

processNewSymbol()

virtual void llvm::RuntimeDyldImpl::processNewSymbol ( const SymbolRef &  ObjSymbol, SymbolTableEntry &  Entry  )

inlineprotectedvirtual

Definition at line 447 of file RuntimeDyldImpl.h.

processRelocationRef()

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

protectedpure virtual

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).

Returns

Iterator to the next relocation that needs to be parsed.

Implemented in llvm::RuntimeDyldCOFFAArch64, llvm::RuntimeDyldCOFFI386, llvm::RuntimeDyldCOFFThumb, llvm::RuntimeDyldCOFFX86_64, llvm::RuntimeDyldMachOAArch64, llvm::RuntimeDyldMachOARM, llvm::RuntimeDyldMachOI386, llvm::RuntimeDyldMachOX86_64, and llvm::RuntimeDyldELF.

readBytesUnaligned()

uint64_t llvm::RuntimeDyldImpl::readBytesUnaligned ( uint8_t *  Src, unsigned  Size  ) const

protected

Endian-aware read Read the least significant Size bytes from Src.

Definition at line 713 of file RuntimeDyld.cpp.

References Size.

Referenced by llvm::RuntimeDyldMachOARM::decodeAddend(), llvm::RuntimeDyldMachO::memcpyAddend(), llvm::RuntimeDyldCOFFI386::processRelocationRef(), llvm::RuntimeDyldCOFFThumb::processRelocationRef(), llvm::RuntimeDyldCOFFX86_64::processRelocationRef(), llvm::RuntimeDyldELF::processRelocationRef(), llvm::RuntimeDyldMachO::processScatteredVANILLA(), and llvm::RuntimeDyldMachOARM::resolveRelocation().

reassignSectionAddress()

void llvm::RuntimeDyldImpl::reassignSectionAddress	(	unsigned	SectionID,
		uint64_t	Addr
	)

Definition at line 1093 of file RuntimeDyld.cpp.

References Addr, llvm::dbgs(), llvm::format(), getName(), and LLVM_DEBUG.

registerEHFrames()

void llvm::RuntimeDyldImpl::registerEHFrames ( )

virtual

Reimplemented in llvm::RuntimeDyldELF, llvm::RuntimeDyldMachOCRTPBase< Impl >, llvm::RuntimeDyldMachOCRTPBase< RuntimeDyldMachOAArch64 >, llvm::RuntimeDyldMachOCRTPBase< RuntimeDyldMachOARM >, llvm::RuntimeDyldMachOCRTPBase< RuntimeDyldMachOI386 >, llvm::RuntimeDyldMachOCRTPBase< RuntimeDyldMachOX86_64 >, llvm::RuntimeDyldCOFFAArch64, llvm::RuntimeDyldCOFFI386, llvm::RuntimeDyldCOFFThumb, and llvm::RuntimeDyldCOFFX86_64.

Definition at line 74 of file RuntimeDyld.cpp.

relocationNeedsDLLImportStub()

virtual bool llvm::RuntimeDyldImpl::relocationNeedsDLLImportStub ( const RelocationRef &  R ) const

inlineprotectedvirtual

Reimplemented in llvm::RuntimeDyldCOFF.

Definition at line 460 of file RuntimeDyldImpl.h.

relocationNeedsGot()

virtual bool llvm::RuntimeDyldImpl::relocationNeedsGot ( const RelocationRef &  R ) const

inlineprotectedvirtual

Definition at line 450 of file RuntimeDyldImpl.h.

relocationNeedsStub()

virtual bool llvm::RuntimeDyldImpl::relocationNeedsStub ( const RelocationRef &  R ) const

inlineprotectedvirtual

Definition at line 455 of file RuntimeDyldImpl.h.

resolveExternalSymbols()

Error llvm::RuntimeDyldImpl::resolveExternalSymbols ( )

protected

Resolve relocations to external symbols.

Definition at line 1175 of file RuntimeDyld.cpp.

References assert(), llvm::StringMap< ValueTy, AllocatorTy >::insert(), Name, and llvm::Error::success().

resolveLocalRelocations()

void llvm::RuntimeDyldImpl::resolveLocalRelocations

(

)

Definition at line 145 of file RuntimeDyld.cpp.

References Addr, llvm::dbgs(), llvm::format(), Idx, and LLVM_DEBUG.

resolveRelocation()

virtual void llvm::RuntimeDyldImpl::resolveRelocation ( const RelocationEntry &  RE, uint64_t  Value  )

protectedpure virtual

A object file specific relocation resolver.

Parameters

RE	The relocation to be resolved
Value	Target symbol address to apply the relocation action

Implemented in llvm::RuntimeDyldELF, llvm::RuntimeDyldCOFFAArch64, llvm::RuntimeDyldCOFFI386, llvm::RuntimeDyldCOFFThumb, llvm::RuntimeDyldCOFFX86_64, llvm::RuntimeDyldELFMips, llvm::RuntimeDyldMachOAArch64, llvm::RuntimeDyldMachOARM, llvm::RuntimeDyldMachOI386, and llvm::RuntimeDyldMachOX86_64.

resolveRelocationList()

void llvm::RuntimeDyldImpl::resolveRelocationList ( const RelocationList &  Relocs, uint64_t  Value  )

protected

Resolves relocations from Relocs list with address from Value.

Definition at line 1113 of file RuntimeDyld.cpp.

References llvm::object::resolveRelocation().

resolveRelocations()

void llvm::RuntimeDyldImpl::resolveRelocations

(

)

Definition at line 121 of file RuntimeDyld.cpp.

References llvm::dumpSectionMemory(), LLVM_DEBUG, and llvm::toString().

setMipsABI()

virtual void llvm::RuntimeDyldImpl::setMipsABI ( const ObjectFile &  Obj )

inlineprotectedvirtual

Definition at line 342 of file RuntimeDyldImpl.h.

References IsMipsN32ABI, IsMipsN64ABI, and IsMipsO32ABI.

setNotifyStubEmitted()

void llvm::RuntimeDyldImpl::setNotifyStubEmitted ( NotifyStubEmittedFunction  NotifyStubEmitted )

inline

Definition at line 589 of file RuntimeDyldImpl.h.

References NotifyStubEmitted.

setProcessAllSections()

void llvm::RuntimeDyldImpl::setProcessAllSections ( bool  ProcessAllSections )

inline

Definition at line 478 of file RuntimeDyldImpl.h.

References ProcessAllSections.

sizeAfterAddingDLLImportStub()

virtual unsigned llvm::RuntimeDyldImpl::sizeAfterAddingDLLImportStub ( unsigned  Size ) const

inlineprotectedvirtual

Reimplemented in llvm::RuntimeDyldCOFF.

Definition at line 465 of file RuntimeDyldImpl.h.

References Size.

writeBytesUnaligned()

void llvm::RuntimeDyldImpl::writeBytesUnaligned ( uint64_t  Value, uint8_t *  Dst, unsigned  Size  ) const

protected

Endian-aware write.

Write the least significant Size bytes from Value to Dst.

Definition at line 727 of file RuntimeDyld.cpp.

References Size.

Referenced by llvm::RuntimeDyldCOFFI386::resolveRelocation(), llvm::RuntimeDyldCOFFThumb::resolveRelocation(), llvm::RuntimeDyldCOFFX86_64::resolveRelocation(), llvm::RuntimeDyldMachOAArch64::resolveRelocation(), llvm::RuntimeDyldMachOARM::resolveRelocation(), llvm::RuntimeDyldMachOI386::resolveRelocation(), and llvm::RuntimeDyldMachOX86_64::resolveRelocation().

writeInt16BE()

void llvm::RuntimeDyldImpl::writeInt16BE ( uint8_t *  Addr, uint16_t  Value  )

inlineprotected

Definition at line 321 of file RuntimeDyldImpl.h.

References Addr, llvm::big, IsTargetLittleEndian, and llvm::little.

writeInt32BE()

void llvm::RuntimeDyldImpl::writeInt32BE ( uint8_t *  Addr, uint32_t  Value  )

inlineprotected

Definition at line 328 of file RuntimeDyldImpl.h.

References Addr, llvm::big, IsTargetLittleEndian, and llvm::little.

Referenced by llvm::RuntimeDyldELF::processRelocationRef().

writeInt64BE()

void llvm::RuntimeDyldImpl::writeInt64BE ( uint8_t *  Addr, uint64_t  Value  )

inlineprotected

Definition at line 335 of file RuntimeDyldImpl.h.

References Addr, llvm::big, IsTargetLittleEndian, and llvm::little.

Friends And Related Function Documentation

RuntimeDyld::LoadedObjectInfo

friend class RuntimeDyld::LoadedObjectInfo

friend

Definition at line 240 of file RuntimeDyldImpl.h.

Member Data Documentation

AbsoluteSymbolSection

const unsigned llvm::RuntimeDyldImpl::AbsoluteSymbolSection = ~0U

staticprotected

Definition at line 242 of file RuntimeDyldImpl.h.

Referenced by getSectionAddress(), getSectionContent(), getSectionLoadAddress(), getSymbol(), and getSymbolLocalAddress().

Arch

Triple::ArchType llvm::RuntimeDyldImpl::Arch

protected

Definition at line 289 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldCOFF::create(), llvm::RuntimeDyldELF::create(), llvm::RuntimeDyldMachO::create(), llvm::RuntimeDyldELF::getGOTEntrySize(), and llvm::RuntimeDyldELF::processRelocationRef().

ErrorStr

std::string llvm::RuntimeDyldImpl::ErrorStr

protected

Definition at line 319 of file RuntimeDyldImpl.h.

Referenced by getErrorString(), llvm::RuntimeDyldELF::loadObject(), llvm::RuntimeDyldMachO::loadObject(), and llvm::RuntimeDyldCOFF::loadObject().

ExternalSymbolRelocations

StringMap<RelocationList> llvm::RuntimeDyldImpl::ExternalSymbolRelocations

protected

Definition at line 284 of file RuntimeDyldImpl.h.

GlobalSymbolTable

RTDyldSymbolTable llvm::RuntimeDyldImpl::GlobalSymbolTable

protected

Definition at line 265 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldMachO::getRelocationValueRef(), getSymbol(), getSymbolLocalAddress(), getSymbolSectionID(), getSymbolTable(), llvm::RuntimeDyldMachOARM::isAddrTargetThumb(), llvm::RuntimeDyldMachOARM::processRelocationRef(), and llvm::RuntimeDyldELF::processRelocationRef().

HasError

bool llvm::RuntimeDyldImpl::HasError

protected

Definition at line 318 of file RuntimeDyldImpl.h.

Referenced by clearError(), hasError(), llvm::RuntimeDyldELF::loadObject(), llvm::RuntimeDyldMachO::loadObject(), and llvm::RuntimeDyldCOFF::loadObject().

IsMipsN32ABI

bool llvm::RuntimeDyldImpl::IsMipsN32ABI

protected

Definition at line 292 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldELF::finalizeLoad(), llvm::RuntimeDyldELF::getGOTEntrySize(), llvm::RuntimeDyldELF::processRelocationRef(), llvm::RuntimeDyldELFMips::resolveRelocation(), and setMipsABI().

IsMipsN64ABI

bool llvm::RuntimeDyldImpl::IsMipsN64ABI

protected

Definition at line 293 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldELF::finalizeLoad(), llvm::RuntimeDyldELF::getGOTEntrySize(), llvm::RuntimeDyldELF::processRelocationRef(), llvm::RuntimeDyldELFMips::resolveRelocation(), and setMipsABI().

IsMipsO32ABI

bool llvm::RuntimeDyldImpl::IsMipsO32ABI

protected

Definition at line 291 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldELF::finalizeLoad(), llvm::RuntimeDyldELF::getGOTEntrySize(), llvm::RuntimeDyldELF::processRelocationRef(), llvm::RuntimeDyldELFMips::resolveRelocation(), and setMipsABI().

IsTargetLittleEndian

bool llvm::RuntimeDyldImpl::IsTargetLittleEndian

protected

Definition at line 290 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldELF::processRelocationRef(), writeInt16BE(), writeInt32BE(), and writeInt64BE().

lock

sys::Mutex llvm::RuntimeDyldImpl::lock

protected

Definition at line 309 of file RuntimeDyldImpl.h.

MemMgr

RuntimeDyld::MemoryManager& llvm::RuntimeDyldImpl::MemMgr

protected

Definition at line 245 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldCOFF::create(), llvm::RuntimeDyldELF::create(), llvm::RuntimeDyldMachO::create(), llvm::RuntimeDyldELF::finalizeLoad(), llvm::RuntimeDyldELF::processRelocationRef(), llvm::RuntimeDyldELF::registerEHFrames(), and llvm::RuntimeDyldCOFFX86_64::registerEHFrames().

NotifyStubEmitted

NotifyStubEmittedFunction llvm::RuntimeDyldImpl::NotifyStubEmitted

protected

Definition at line 313 of file RuntimeDyldImpl.h.

Referenced by setNotifyStubEmitted().

ProcessAllSections

bool llvm::RuntimeDyldImpl::ProcessAllSections

protected

Definition at line 297 of file RuntimeDyldImpl.h.

Referenced by setProcessAllSections().

Relocations

std::unordered_map<unsigned, RelocationList> llvm::RuntimeDyldImpl::Relocations

protected

Definition at line 279 of file RuntimeDyldImpl.h.

Resolver

JITSymbolResolver& llvm::RuntimeDyldImpl::Resolver

protected

Definition at line 248 of file RuntimeDyldImpl.h.

Sections

SectionList llvm::RuntimeDyldImpl::Sections

protected

Definition at line 255 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldMachOAArch64::decodeAddend(), llvm::RuntimeDyldMachOARM::decodeAddend(), llvm::RuntimeDyldMachO::dumpRelocationToResolve(), llvm::RuntimeDyldELF::finalizeLoad(), llvm::RuntimeDyldCOFFAArch64::generateRelocationStub(), llvm::RuntimeDyldCOFFX86_64::generateRelocationStub(), llvm::RuntimeDyldCOFF::getDLLImportOffset(), llvm::RuntimeDyldMachO::getSection(), getSectionAddress(), getSectionContent(), getSectionLoadAddress(), llvm::RuntimeDyldMachOARM::isAddrTargetThumb(), llvm::RuntimeDyldMachO::memcpyAddend(), llvm::RuntimeDyldMachO::populateIndirectSymbolPointersSection(), llvm::RuntimeDyldCOFFAArch64::processRelocationRef(), llvm::RuntimeDyldCOFFI386::processRelocationRef(), llvm::RuntimeDyldCOFFThumb::processRelocationRef(), llvm::RuntimeDyldCOFFX86_64::processRelocationRef(), llvm::RuntimeDyldELF::processRelocationRef(), llvm::RuntimeDyldMachO::processScatteredVANILLA(), llvm::RuntimeDyldELF::registerEHFrames(), llvm::RuntimeDyldCOFFX86_64::registerEHFrames(), llvm::RuntimeDyldELF::resolveRelocation(), llvm::RuntimeDyldCOFFAArch64::resolveRelocation(), llvm::RuntimeDyldCOFFI386::resolveRelocation(), llvm::RuntimeDyldCOFFThumb::resolveRelocation(), llvm::RuntimeDyldCOFFX86_64::resolveRelocation(), llvm::RuntimeDyldELFMips::resolveRelocation(), llvm::RuntimeDyldMachOAArch64::resolveRelocation(), llvm::RuntimeDyldMachOARM::resolveRelocation(), llvm::RuntimeDyldMachOI386::resolveRelocation(), and llvm::RuntimeDyldMachOX86_64::resolveRelocation().

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

• lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h
• lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp