#include <RuntimeDyldImpl.h>

Inheritance diagram for llvm::RuntimeDyldImpl:

Collaboration diagram for llvm::RuntimeDyldImpl:

Public Member Functions
	RuntimeDyldImpl (RTDyldMemoryManager *mm)
virtual	~RuntimeDyldImpl ()
ObjectImage *	loadObject (ObjectBuffer *InputBuffer)
void *	getSymbolAddress (StringRef Name)
uint64_t	getSymbolLoadAddress (StringRef Name)
void	resolveRelocations ()
void	reassignSectionAddress (unsigned SectionID, uint64_t Addr)
void	mapSectionAddress (const void *LocalAddress, uint64_t TargetAddress)
bool	hasError ()
void	clearError ()
StringRef	getErrorString ()
virtual bool	isCompatibleFormat (const ObjectBuffer *Buffer) const =0
virtual StringRef	getEHFrameSection ()
Protected Types
typedef SmallVector < SectionEntry, 64 >	SectionList
typedef std::map< SectionRef, unsigned >	ObjSectionToIDMap
typedef std::pair< unsigned, uintptr_t >	SymbolLoc
typedef StringMap< SymbolLoc >	SymbolTableMap
typedef std::pair< unsigned, unsigned >	CommonSymbolInfo
typedef std::map< SymbolRef, CommonSymbolInfo >	CommonSymbolMap
typedef SmallVector < RelocationEntry, 64 >	RelocationList
typedef std::map < RelocationValueRef, uintptr_t >	StubMap
Protected Member Functions
unsigned	getMaxStubSize ()
unsigned	getStubAlignment ()
bool	Error (const Twine &Msg)
uint64_t	getSectionLoadAddress (unsigned SectionID)
uint8_t *	getSectionAddress (unsigned SectionID)
void	writeInt16BE (uint8_t *Addr, uint16_t Value)
void	writeInt32BE (uint8_t *Addr, uint32_t Value)
void	writeInt64BE (uint8_t *Addr, uint64_t Value)
void	emitCommonSymbols (ObjectImage &Obj, const CommonSymbolMap &CommonSymbols, uint64_t TotalSize, SymbolTableMap &SymbolTable)
	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.
unsigned	emitSection (ObjectImage &Obj, const SectionRef &Section, bool IsCode)
	Emits section data from the object file to the MemoryManager.
unsigned	findOrEmitSection (ObjectImage &Obj, const SectionRef &Section, bool IsCode, ObjSectionToIDMap &LocalSections)
	Find Section in LocalSections. If the secton is not found - emit it and store in LocalSections.
void	addRelocationForSection (const RelocationEntry &RE, unsigned SectionID)
void	addRelocationForSymbol (const RelocationEntry &RE, StringRef SymbolName)
uint8_t *	createStubFunction (uint8_t *Addr)
	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 void	processRelocationRef (unsigned SectionID, RelocationRef RelI, ObjectImage &Obj, ObjSectionToIDMap &ObjSectionToID, const SymbolTableMap &Symbols, StubMap &Stubs)=0
	Parses the object file relocation and stores it to Relocations or SymbolRelocations (this depends on the object file type).
void	resolveExternalSymbols ()
	Resolve relocations to external symbols.
virtual ObjectImage *	createObjectImage (ObjectBuffer *InputBuffer)
Protected Attributes
RTDyldMemoryManager *	MemMgr
SectionList	Sections
SymbolTableMap	GlobalSymbolTable
DenseMap< unsigned, RelocationList >	Relocations
StringMap< RelocationList >	ExternalSymbolRelocations
Triple::ArchType	Arch
bool	HasError
std::string	ErrorStr

Detailed Description

Definition at line 123 of file RuntimeDyldImpl.h.

Member Typedef Documentation

typedef std::pair<unsigned, unsigned> llvm::RuntimeDyldImpl::CommonSymbolInfo [protected]

Definition at line 144 of file RuntimeDyldImpl.h.

typedef std::map<SymbolRef, CommonSymbolInfo> llvm::RuntimeDyldImpl::CommonSymbolMap [protected]

Definition at line 146 of file RuntimeDyldImpl.h.

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

Definition at line 135 of file RuntimeDyldImpl.h.

typedef SmallVector<RelocationEntry, 64> llvm::RuntimeDyldImpl::RelocationList [protected]

Definition at line 153 of file RuntimeDyldImpl.h.

typedef SmallVector<SectionEntry, 64> llvm::RuntimeDyldImpl::SectionList [protected]

Definition at line 130 of file RuntimeDyldImpl.h.

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

Definition at line 164 of file RuntimeDyldImpl.h.

typedef std::pair<unsigned, uintptr_t> llvm::RuntimeDyldImpl::SymbolLoc [protected]

Definition at line 139 of file RuntimeDyldImpl.h.

typedef StringMap<SymbolLoc> llvm::RuntimeDyldImpl::SymbolTableMap [protected]

Definition at line 140 of file RuntimeDyldImpl.h.

Constructor & Destructor Documentation

llvm::RuntimeDyldImpl::RuntimeDyldImpl ( RTDyldMemoryManager * mm ) [inline]

Definition at line 297 of file RuntimeDyldImpl.h.

RuntimeDyldImpl::~RuntimeDyldImpl ( ) [virtual]

Definition at line 29 of file RuntimeDyld.cpp.

Member Function Documentation

void llvm::RuntimeDyldImpl::addRelocationForSection	(	const RelocationEntry &	RE,
		unsigned	SectionID
	)		`[protected]`

Definition at line 320 of file RuntimeDyld.cpp.

void llvm::RuntimeDyldImpl::addRelocationForSymbol	(	const RelocationEntry &	RE,
		StringRef	SymbolName
	)		`[protected]`

Definition at line 325 of file RuntimeDyld.cpp.

References llvm::RelocationEntry::Addend.

void llvm::RuntimeDyldImpl::clearError ( ) [inline]

Definition at line 331 of file RuntimeDyldImpl.h.

ObjectImage * llvm::RuntimeDyldImpl::createObjectImage ( ObjectBuffer * InputBuffer ) [protected, virtual]

Reimplemented in llvm::RuntimeDyldELF.

Definition at line 66 of file RuntimeDyld.cpp.

uint8_t * llvm::RuntimeDyldImpl::createStubFunction ( uint8_t * Addr ) [protected]

Emits long jump instruction to Addr.

Returns:: Pointer to the memory area for emitting target address.

Definition at line 342 of file RuntimeDyld.cpp.

References llvm::Triple::aarch64, llvm::Triple::arm, llvm::Triple::mips, llvm::Triple::mipsel, llvm::Triple::ppc64, and llvm::Triple::systemz.

void llvm::RuntimeDyldImpl::emitCommonSymbols	(	ObjectImage &	Obj,
		const CommonSymbolMap &	CommonSymbols,
		uint64_t	TotalSize,
		SymbolTableMap &	SymbolTable
	)		`[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 171 of file RuntimeDyld.cpp.

References Align(), llvm::StringRef::data(), llvm::dbgs(), DEBUG, llvm::format(), llvm::LibFunc::memset, llvm::OffsetToAlignment(), llvm::report_fatal_error(), and llvm::ObjectImage::updateSymbolAddress().

unsigned llvm::RuntimeDyldImpl::emitSection	(	ObjectImage &	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 212 of file RuntimeDyld.cpp.

bool llvm::RuntimeDyldImpl::Error ( const Twine & Msg ) [inline, protected]

Definition at line 196 of file RuntimeDyldImpl.h.

References llvm::Twine::str().

unsigned llvm::RuntimeDyldImpl::findOrEmitSection	(	ObjectImage &	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 304 of file RuntimeDyld.cpp.

References ARMBuildAttrs::Section.

StringRef llvm::RuntimeDyldImpl::getEHFrameSection ( ) [virtual]

Reimplemented in llvm::RuntimeDyldELF, and llvm::RuntimeDyldMachO.

Definition at line 33 of file RuntimeDyld.cpp.

StringRef llvm::RuntimeDyldImpl::getErrorString ( ) [inline]

Definition at line 334 of file RuntimeDyldImpl.h.

unsigned llvm::RuntimeDyldImpl::getMaxStubSize ( ) [inline, protected]

Definition at line 168 of file RuntimeDyldImpl.h.

References llvm::Triple::aarch64, llvm::Triple::arm, llvm::Triple::mips, llvm::Triple::mipsel, llvm::Triple::ppc64, llvm::Triple::systemz, llvm::Triple::thumb, and llvm::Triple::x86_64.

uint8_t* llvm::RuntimeDyldImpl::getSectionAddress ( unsigned SectionID ) [inline, protected]

Definition at line 206 of file RuntimeDyldImpl.h.

uint64_t llvm::RuntimeDyldImpl::getSectionLoadAddress ( unsigned SectionID ) [inline, protected]

Definition at line 202 of file RuntimeDyldImpl.h.

unsigned llvm::RuntimeDyldImpl::getStubAlignment ( ) [inline, protected]

Definition at line 185 of file RuntimeDyldImpl.h.

References llvm::Triple::systemz.

void* llvm::RuntimeDyldImpl::getSymbolAddress ( StringRef Name ) [inline]

Definition at line 303 of file RuntimeDyldImpl.h.

uint64_t llvm::RuntimeDyldImpl::getSymbolLoadAddress ( StringRef Name ) [inline]

Definition at line 312 of file RuntimeDyldImpl.h.

bool llvm::RuntimeDyldImpl::hasError ( ) [inline]

Definition at line 328 of file RuntimeDyldImpl.h.

virtual bool llvm::RuntimeDyldImpl::isCompatibleFormat ( const ObjectBuffer * Buffer ) const [pure virtual]

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

ObjectImage * llvm::RuntimeDyldImpl::loadObject ( ObjectBuffer * InputBuffer )

Definition at line 70 of file RuntimeDyld.cpp.

References Align(), llvm::StringRef::begin(), Check(), llvm::StringRef::data(), llvm::dbgs(), DEBUG, llvm::format(), llvm::ObjectBuffer::getBufferStart(), llvm::object::content_iterator< content_type >::increment(), llvm::report_fatal_error(), llvm::object::SymbolRef::SF_Common, llvm::object::SymbolRef::ST_Data, llvm::object::SymbolRef::ST_Function, llvm::object::SymbolRef::ST_Unknown, and llvm::OwningPtr< T >::take().

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

Definition at line 53 of file RuntimeDyld.cpp.

References llvm_unreachable.

virtual void llvm::RuntimeDyldImpl::processRelocationRef	(	unsigned	SectionID,
		RelocationRef	RelI,
		ObjectImage &	Obj,
		ObjSectionToIDMap &	ObjSectionToID,
		const SymbolTableMap &	Symbols,
		StubMap &	Stubs
	)		`[protected, pure virtual]`