LLVM  9.0.0svn
Public Member Functions | Static Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes | Static Protected Attributes | Friends | List of all members
llvm::RuntimeDyldImpl Class Referenceabstract

#include "ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h"

Inheritance diagram for llvm::RuntimeDyldImpl:
Inheritance graph
[legend]
Collaboration diagram for llvm::RuntimeDyldImpl:
Collaboration graph
[legend]

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, std::function< void(Error)> OnEmitted, std::unique_ptr< MemoryBuffer > UnderlyingBuffer)
 

Protected Types

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
 
using NotifyStubEmittedFunction = RuntimeDyld::NotifyStubEmittedFunction
 

Protected Member Functions

virtual unsigned getMaxStubSize () const =0
 
virtual unsigned 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. 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...
 
virtual void resolveRelocation (const RelocationEntry &RE, uint64_t Value)=0
 A object file specific relocation resolver. More...
 
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). 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)
 
virtual size_t getGOTEntrySize ()
 
virtual bool relocationNeedsGot (const RelocationRef &R) const
 
virtual bool relocationNeedsStub (const RelocationRef &R) 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 241 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 312 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 SmallVector<SectionEntry, 64> 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 464 of file RuntimeDyldImpl.h.

◆ ~RuntimeDyldImpl()

RuntimeDyldImpl::~RuntimeDyldImpl ( )
virtual

Definition at line 68 of file RuntimeDyld.cpp.

Member Function Documentation

◆ addRelocationForSection()

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

Definition at line 896 of file RuntimeDyld.cpp.

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

◆ addRelocationForSymbol()

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

Definition at line 901 of file RuntimeDyld.cpp.

References llvm::RelocationEntry::Addend, and llvm::AMDGPU::HSAMD::Kernel::Key::SymbolName.

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

◆ applyExternalSymbolRelocations()

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

Definition at line 1056 of file RuntimeDyld.cpp.

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

◆ clearError()

void llvm::RuntimeDyldImpl::clearError ( )
inline

Definition at line 563 of file RuntimeDyldImpl.h.

◆ computeGOTSize()

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

Definition at line 619 of file RuntimeDyld.cpp.

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

◆ computeSectionStubBufSize()

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

Definition at line 637 of file RuntimeDyld.cpp.

References llvm::object::SectionRef::getAlignment(), llvm::object::SectionRef::getSize(), llvm::object::ObjectFile::section_begin(), llvm::object::ObjectFile::section_end(), and SI.

◆ computeTotalAllocSize()

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

Definition at line 510 of file RuntimeDyld.cpp.

References llvm::AMDGPU::HSAMD::Kernel::Arg::Key::Align, llvm::alignTo(), llvm::computeAllocationSizeForSections(), E, llvm::errorCodeToError(), llvm::object::SectionRef::getAlignment(), llvm::object::SectionRef::getName(), llvm::object::SectionRef::getSize(), I, llvm::isReadOnlyData(), llvm::isRequiredForExecution(), llvm::object::SectionRef::isText(), llvm::max(), Name, llvm::ARMBuildAttrs::Section, llvm::object::ObjectFile::section_begin(), llvm::object::ObjectFile::section_end(), llvm::COFF::SectionSize, llvm::object::BasicSymbolRef::SF_Common, SI, Size, llvm::Error::success(), llvm::object::SymbolicFile::symbol_begin(), and llvm::object::SymbolicFile::symbol_end().

◆ 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 918 of file RuntimeDyld.cpp.

References llvm::Triple::aarch64, llvm::Triple::aarch64_be, 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::ppc64, llvm::Triple::ppc64le, llvm::Triple::systemz, llvm::Triple::x86, and llvm::Triple::x86_64.

Referenced by llvm::RuntimeDyldMachOI386::finalizeSection(), llvm::RuntimeDyldCOFFX86_64::generateRelocationStub(), llvm::RuntimeDyldELF::processRelocationRef(), and llvm::RuntimeDyldELF::resolveRelocation().

◆ deregisterEHFrames()

void llvm::RuntimeDyldImpl::deregisterEHFrames ( )

Definition at line 77 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 706 of file RuntimeDyld.cpp.

References llvm::AMDGPU::HSAMD::Kernel::Arg::Key::Align, llvm::dbgs(), llvm::format(), LLVM_DEBUG, Name, llvm::OffsetToAlignment(), llvm::report_fatal_error(), Size, and llvm::Error::success().

◆ 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
IsCodeif it's true then allocateCodeSection() will be used for emits, else allocateDataSection() will be used.
Returns
SectionID.

Definition at line 760 of file RuntimeDyld.cpp.

References llvm::StringRef::data(), llvm::dbgs(), E, llvm::errorCodeToError(), llvm::format(), llvm::object::SectionRef::getAlignment(), llvm::object::SectionRef::getContents(), llvm::object::SectionRef::getName(), llvm::object::SectionRef::getSize(), llvm::isReadOnlyData(), llvm::isRequiredForExecution(), llvm::object::SectionRef::isVirtual(), llvm::isZeroInit(), LLVM_DEBUG, llvm::max(), Name, and llvm::report_fatal_error().

◆ finalizeAsync()

void llvm::RuntimeDyldImpl::finalizeAsync ( std::unique_ptr< RuntimeDyldImpl >  This,
std::function< void(Error)>  OnEmitted,
std::unique_ptr< MemoryBuffer >  UnderlyingBuffer 
)
static

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

Definition at line 1177 of file RuntimeDyld.cpp.

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

◆ finalizeLoad()

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

Reimplemented in llvm::RuntimeDyldCOFFX86_64, llvm::RuntimeDyldELF, and llvm::RuntimeDyldMachOCRTPBase< Impl >.

Definition at line 578 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
IsCodeif it's true then allocateCodeSection() will be used for emmits, else allocateDataSection() will be used.
Returns
SectionID.

Definition at line 877 of file RuntimeDyld.cpp.

References if(), and llvm::ARMBuildAttrs::Section.

Referenced by llvm::RuntimeDyldMachOX86_64::finalizeSection(), llvm::RuntimeDyldMachOI386::finalizeSection(), llvm::RuntimeDyldMachOARM::finalizeSection(), llvm::RuntimeDyldELF::loadObject(), llvm::RuntimeDyldCOFFI386::processRelocationRef(), llvm::RuntimeDyldCOFFThumb::processRelocationRef(), llvm::RuntimeDyldELF::processRelocationRef(), and llvm::RuntimeDyldCOFFX86_64::processRelocationRef().

◆ getErrorString()

StringRef llvm::RuntimeDyldImpl::getErrorString ( )
inline

Definition at line 566 of file RuntimeDyldImpl.h.

◆ getGOTEntrySize()

virtual size_t llvm::RuntimeDyldImpl::getGOTEntrySize ( )
inlineprotectedvirtual

Reimplemented in llvm::RuntimeDyldELF.

Definition at line 451 of file RuntimeDyldImpl.h.

◆ getJITSymbolFlags()

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

Generate JITSymbolFlags from a libObject symbol.

Reimplemented in llvm::RuntimeDyldMachOARM.

Definition at line 702 of file RuntimeDyld.cpp.

References llvm::JITSymbolFlags::fromObjectSymbol().

Referenced by llvm::RuntimeDyldMachOARM::getJITSymbolFlags().

◆ getMaxStubSize()

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

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

◆ getSectionAddress()

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

Definition at line 483 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldMachOI386::finalizeSection(), and llvm::RuntimeDyldELFMips::resolveRelocation().

◆ getSectionContent()

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

Definition at line 487 of file RuntimeDyldImpl.h.

◆ getSectionLoadAddress()

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

Definition at line 479 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldELFMips::resolveRelocation().

◆ getStubAlignment()

virtual unsigned llvm::RuntimeDyldImpl::getStubAlignment ( )
protectedpure virtual

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

◆ getSymbol()

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

Definition at line 512 of file RuntimeDyldImpl.h.

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

◆ getSymbolLocalAddress()

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

Definition at line 492 of file RuntimeDyldImpl.h.

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

◆ getSymbolSectionID()

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

Definition at line 505 of file RuntimeDyldImpl.h.

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

◆ getSymbolTable()

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

Definition at line 532 of file RuntimeDyldImpl.h.

References function.

◆ hasError()

bool llvm::RuntimeDyldImpl::hasError ( )
inline

Definition at line 560 of file RuntimeDyldImpl.h.

◆ isCompatibleFile()

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

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

◆ 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 179 of file RuntimeDyld.cpp.

References llvm::object::ObjectFile::getArch(), and llvm::object::Binary::isLittleEndian().

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

◆ mapSectionAddress()

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

Definition at line 157 of file RuntimeDyld.cpp.

References 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 370 of file RuntimeDyldImpl.h.

References llvm::ARMBuildAttrs::Section, and llvm::AMDGPU::HSAMD::Kernel::Key::SymbolName.

◆ 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::RuntimeDyldMachOAArch64, llvm::RuntimeDyldCOFFX86_64, llvm::RuntimeDyldELF, llvm::RuntimeDyldMachOARM, llvm::RuntimeDyldCOFFThumb, llvm::RuntimeDyldCOFFI386, llvm::RuntimeDyldMachOI386, and llvm::RuntimeDyldMachOX86_64.

◆ 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 671 of file RuntimeDyld.cpp.

Referenced by llvm::applyPPChighesta(), llvm::RuntimeDyldMachOARM::decodeAddend(), llvm::RuntimeDyldMachOX86_64::finalizeSection(), llvm::RuntimeDyldMachOI386::finalizeSection(), llvm::RuntimeDyldMachOARM::finalizeSection(), llvm::RuntimeDyldMachOAArch64::finalizeSection(), llvm::RuntimeDyldCOFFI386::processRelocationRef(), llvm::RuntimeDyldCOFFThumb::processRelocationRef(), llvm::RuntimeDyldELF::processRelocationRef(), llvm::RuntimeDyldCOFFX86_64::processRelocationRef(), llvm::RuntimeDyldELFMips::resolveRelocation(), and llvm::RuntimeDyldMachOARM::resolveRelocation().

◆ reassignSectionAddress()

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

Definition at line 1025 of file RuntimeDyld.cpp.

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

◆ registerEHFrames()

void llvm::RuntimeDyldImpl::registerEHFrames ( )
virtual

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

Definition at line 75 of file RuntimeDyld.cpp.

◆ relocationNeedsGot()

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

Definition at line 454 of file RuntimeDyldImpl.h.

◆ relocationNeedsStub()

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

Definition at line 459 of file RuntimeDyldImpl.h.

◆ resolveExternalSymbols()

Error llvm::RuntimeDyldImpl::resolveExternalSymbols ( )
protected

Resolve relocations to external symbols.

Definition at line 1121 of file RuntimeDyld.cpp.

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

◆ resolveLocalRelocations()

void llvm::RuntimeDyldImpl::resolveLocalRelocations ( )

Definition at line 142 of file RuntimeDyld.cpp.

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

◆ resolveRelocation()

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

A object file specific relocation resolver.

Parameters
REThe relocation to be resolved
ValueTarget symbol address to apply the relocation action

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

◆ resolveRelocationList()

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

Resolves relocations from Relocs list with address from Value.

Definition at line 1045 of file RuntimeDyld.cpp.

References llvm::RelocationEntry::SectionID, and llvm::SmallVectorBase::size().

◆ resolveRelocations()

void llvm::RuntimeDyldImpl::resolveRelocations ( )

Definition at line 122 of file RuntimeDyld.cpp.

References llvm::dumpSectionMemory(), and LLVM_DEBUG.

◆ setMipsABI()

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

Definition at line 350 of file RuntimeDyldImpl.h.

References Size.

◆ setNotifyStubEmitted()

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

Definition at line 570 of file RuntimeDyldImpl.h.

◆ setProcessAllSections()

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

Definition at line 472 of file RuntimeDyldImpl.h.

◆ 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 685 of file RuntimeDyld.cpp.

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

◆ writeInt16BE()

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

Definition at line 321 of file RuntimeDyldImpl.h.

References llvm::sys::swapByteOrder().

Referenced by llvm::applyPPChighesta().

◆ writeInt32BE()

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

Definition at line 328 of file RuntimeDyldImpl.h.

References llvm::sys::swapByteOrder().

Referenced by llvm::applyPPChighesta().

◆ writeInt64BE()

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

Definition at line 337 of file RuntimeDyldImpl.h.

References llvm::sys::swapByteOrder().

Referenced by llvm::applyPPChighesta().

Friends And Related Function Documentation

◆ RuntimeDyld::LoadedObjectInfo

friend class RuntimeDyld::LoadedObjectInfo
friend

Definition at line 242 of file RuntimeDyldImpl.h.

Member Data Documentation

◆ AbsoluteSymbolSection

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

Definition at line 244 of file RuntimeDyldImpl.h.

◆ Arch

Triple::ArchType llvm::RuntimeDyldImpl::Arch
protected

Definition at line 289 of file RuntimeDyldImpl.h.

Referenced by llvm::applyPPChighesta(), llvm::RuntimeDyldELF::getGOTEntrySize(), llvm::RuntimeDyldELF::isCompatibleFile(), llvm::RuntimeDyldELF::loadObject(), llvm::RuntimeDyldELF::processRelocationRef(), and llvm::RuntimeDyldELF::resolveRelocation().

◆ ErrorStr

std::string llvm::RuntimeDyldImpl::ErrorStr
protected

Definition at line 319 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldELF::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::RuntimeDyldMachOX86_64::finalizeSection(), llvm::RuntimeDyldMachOAArch64::finalizeSection(), llvm::RuntimeDyldMachOARM::isAddrTargetThumb(), llvm::RuntimeDyldMachOARM::processRelocationRef(), llvm::RuntimeDyldELF::processRelocationRef(), and llvm::RuntimeDyldELF::resolveRelocation().

◆ HasError

bool llvm::RuntimeDyldImpl::HasError
protected

Definition at line 318 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldELF::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::loadObject(), llvm::RuntimeDyldELF::processRelocationRef(), and llvm::RuntimeDyldELFMips::resolveRelocation().

◆ IsMipsN64ABI

bool llvm::RuntimeDyldImpl::IsMipsN64ABI
protected

Definition at line 293 of file RuntimeDyldImpl.h.

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

◆ IsMipsO32ABI

bool llvm::RuntimeDyldImpl::IsMipsO32ABI
protected

Definition at line 291 of file RuntimeDyldImpl.h.

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

◆ IsTargetLittleEndian

bool llvm::RuntimeDyldImpl::IsTargetLittleEndian
protected

Definition at line 290 of file RuntimeDyldImpl.h.

◆ 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 247 of file RuntimeDyldImpl.h.

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

◆ NotifyStubEmitted

NotifyStubEmittedFunction llvm::RuntimeDyldImpl::NotifyStubEmitted
protected

Definition at line 313 of file RuntimeDyldImpl.h.

◆ ProcessAllSections

bool llvm::RuntimeDyldImpl::ProcessAllSections
protected

Definition at line 297 of file RuntimeDyldImpl.h.

◆ 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 250 of file RuntimeDyldImpl.h.

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

◆ Sections

SectionList llvm::RuntimeDyldImpl::Sections
protected

Definition at line 255 of file RuntimeDyldImpl.h.

Referenced by llvm::RuntimeDyldMachOAArch64::decodeAddend(), llvm::RuntimeDyldMachOARM::decodeAddend(), llvm::RuntimeDyldELF::finalizeLoad(), llvm::RuntimeDyldMachOX86_64::finalizeSection(), llvm::RuntimeDyldMachOI386::finalizeSection(), llvm::RuntimeDyldMachOARM::finalizeSection(), llvm::RuntimeDyldMachOAArch64::finalizeSection(), llvm::RuntimeDyldCOFFX86_64::generateRelocationStub(), llvm::RuntimeDyldELF::getGOTEntrySize(), llvm::RuntimeDyldMachOARM::isAddrTargetThumb(), llvm::RuntimeDyldELF::loadObject(), llvm::RuntimeDyldCOFFI386::processRelocationRef(), llvm::RuntimeDyldCOFFThumb::processRelocationRef(), llvm::RuntimeDyldELF::processRelocationRef(), llvm::RuntimeDyldCOFFX86_64::processRelocationRef(), llvm::RuntimeDyldELF::registerEHFrames(), llvm::RuntimeDyldCOFFX86_64::registerEHFrames(), llvm::RuntimeDyldELFMips::resolveRelocation(), llvm::RuntimeDyldCOFFX86_64::resolveRelocation(), llvm::RuntimeDyldMachOX86_64::resolveRelocation(), llvm::RuntimeDyldMachOI386::resolveRelocation(), llvm::RuntimeDyldCOFFI386::resolveRelocation(), llvm::RuntimeDyldCOFFThumb::resolveRelocation(), llvm::RuntimeDyldELF::resolveRelocation(), llvm::RuntimeDyldMachOARM::resolveRelocation(), and llvm::RuntimeDyldMachOAArch64::resolveRelocation().

The documentation for this class was generated from the following files:
Generated on Wed Jun 19 2019 00:50:46 for LLVM by   doxygen 1.8.13