#include <ARMJITInfo.h>

Inheritance diagram for llvm::ARMJITInfo:

Collaboration diagram for llvm::ARMJITInfo:

Public Member Functions
	ARMJITInfo ()

virtual void	replaceMachineCodeForFunction (void Old, void New)

virtual void *	emitGlobalValueIndirectSym (const GlobalValue GV, void ptr, JITCodeEmitter &JCE)

virtual StubLayout	getStubLayout ()
	Returns the maximum size and alignment for a call stub on this target. More...

virtual void *	emitFunctionStub (const Function F, void Fn, JITCodeEmitter &JCE)

virtual LazyResolverFn	getLazyResolverFunction (JITCompilerFn)
	getLazyResolverFunction - Expose the lazy resolver to the JIT. More...

virtual void	relocate (void Function, MachineRelocation MR, unsigned NumRelocs, unsigned char *GOTBase)

virtual bool	hasCustomConstantPool () const

virtual bool	hasCustomJumpTables () const

virtual bool	allocateSeparateGVMemory () const

void	Initialize (const MachineFunction &MF, bool isPIC)

intptr_t	getConstantPoolEntryAddr (unsigned CPI) const

void	addConstantPoolEntryAddr (unsigned CPI, intptr_t Addr)

intptr_t	getJumpTableBaseAddr (unsigned JTI) const

void	addJumpTableBaseAddr (unsigned JTI, intptr_t Addr)

intptr_t	getPCLabelAddr (unsigned Id) const

void	addPCLabelAddr (unsigned Id, intptr_t Addr)
	addPCLabelAddr - Remember the address of the specified PC label. More...

intptr_t	getIndirectSymAddr (void *Addr) const

void	addIndirectSymAddr (void *SymAddr, intptr_t IndSymAddr)

Public Member Functions inherited from llvm::TargetJITInfo
virtual	~TargetJITInfo ()

virtual uintptr_t	getPICJumpTableEntry (uintptr_t BB, uintptr_t JTBase)

virtual char *	allocateThreadLocalMemory (size_t size)

bool	needsGOT () const

Additional Inherited Members
Public Types inherited from llvm::TargetJITInfo
typedef void(*	LazyResolverFn )()

typedef void (	JITCompilerFn )(void *)

Protected Attributes inherited from llvm::TargetJITInfo
bool	useGOT

Detailed Description

Definition at line 28 of file ARMJITInfo.h.

Constructor & Destructor Documentation

llvm::ARMJITInfo::ARMJITInfo ( )

inlineexplicit

Definition at line 49 of file ARMJITInfo.h.

References llvm::TargetJITInfo::useGOT.

Member Function Documentation

void llvm::ARMJITInfo::addConstantPoolEntryAddr	(	unsigned	CPI,
		intptr_t	Addr
	)

inline

addConstantPoolEntryAddr - Map a Constant Pool Index to the address where its associated value is stored. When relocations are processed, this value will be used to resolve references to the constant.

Definition at line 124 of file ARMJITInfo.h.

References llvm::SmallVectorTemplateCommon< T, typename >::size().

void llvm::ARMJITInfo::addIndirectSymAddr	(	void *	SymAddr,
		intptr_t	IndSymAddr
	)

inline

addIndirectSymAddr - Add a mapping from address of an emitted symbol to its indirect symbol address.

Definition at line 171 of file ARMJITInfo.h.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::insert().

Referenced by emitGlobalValueIndirectSym().

void llvm::ARMJITInfo::addJumpTableBaseAddr	(	unsigned	JTI,
		intptr_t	Addr
	)

inline

addJumpTableBaseAddr - Map a jump table index to the address where the corresponding inline jump table is emitted. When relocations are processed, this value will be used to resolve references to the jump table.

Definition at line 141 of file ARMJITInfo.h.

References llvm::SmallVectorTemplateCommon< T, typename >::size().

void llvm::ARMJITInfo::addPCLabelAddr	(	unsigned	Id,
		intptr_t	Addr
	)

inline

addPCLabelAddr - Remember the address of the specified PC label.

Definition at line 155 of file ARMJITInfo.h.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::insert().

virtual bool llvm::ARMJITInfo::allocateSeparateGVMemory ( ) const

inlinevirtual

allocateSeparateGVMemory - If true, globals should be placed in separately allocated heap memory rather than in the same code memory allocated by JITCodeEmitter.

Reimplemented from llvm::TargetJITInfo.

Definition at line 94 of file ARMJITInfo.h.

void * ARMJITInfo::emitFunctionStub	(	const Function *	F,
		void *	Fn,
		JITCodeEmitter &	JCE
	)

virtual

emitFunctionStub - Use the specified JITCodeEmitter object to emit a small native function that simply calls the function at the specified address.

Reimplemented from llvm::TargetJITInfo.

Definition at line 159 of file ARMJITInfo.cpp.

References ARMCompilationCallback(), DEBUG, llvm::JITCodeEmitter::emitAlignment(), emitGlobalValueIndirectSym(), llvm::JITCodeEmitter::emitWordLE(), llvm::errs(), F(), llvm::JITCodeEmitter::getCurrentPCValue(), getIndirectSymAddr(), llvm::Value::getName(), llvm::sys::Memory::InvalidateInstructionCache(), llvm_unreachable, llvm::sys::Memory::setRangeExecutable(), and llvm::sys::Memory::setRangeWritable().

void * ARMJITInfo::emitGlobalValueIndirectSym	(	const GlobalValue *	GV,
		void *	ptr,
		JITCodeEmitter &	JCE
	)

virtual

emitGlobalValueIndirectSym - Use the specified JITCodeEmitter object to emit an indirect symbol which contains the address of the specified ptr.

Reimplemented from llvm::TargetJITInfo.

Definition at line 141 of file ARMJITInfo.cpp.

References addIndirectSymAddr(), llvm::JITCodeEmitter::allocIndirectGV(), and llvm::MachineCodeEmitter::emitWordLEInto().

Referenced by emitFunctionStub().

intptr_t llvm::ARMJITInfo::getConstantPoolEntryAddr ( unsigned CPI ) const

inline

getConstantPoolEntryAddr - The ARM target puts all constant pool entries into constant islands. This returns the address of the constant pool entry of the specified index.

Definition at line 116 of file ARMJITInfo.h.

References llvm::SmallVectorTemplateCommon< T, typename >::size().

intptr_t llvm::ARMJITInfo::getIndirectSymAddr ( void * Addr ) const

inline

getIndirectSymAddr - Retrieve the address of the indirect symbol of the specified symbol located at address. Returns 0 if the indirect symbol has not been emitted.

Definition at line 162 of file ARMJITInfo.h.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::find(), and I.

Referenced by emitFunctionStub().

intptr_t llvm::ARMJITInfo::getJumpTableBaseAddr ( unsigned JTI ) const

inline

getJumpTableBaseAddr - The ARM target inline all jump tables within text section of the function. This returns the address of the base of the jump table of the specified index.

Definition at line 132 of file ARMJITInfo.h.

References llvm::SmallVectorTemplateCommon< T, typename >::size().

TargetJITInfo::LazyResolverFn ARMJITInfo::getLazyResolverFunction ( JITCompilerFn F )

virtual

getLazyResolverFunction - Expose the lazy resolver to the JIT.

Reimplemented from llvm::TargetJITInfo.

Definition at line 136 of file ARMJITInfo.cpp.

References ARMCompilationCallback(), F(), and JITCompilerFunction.

intptr_t llvm::ARMJITInfo::getPCLabelAddr ( unsigned Id ) const

inline

getPCLabelAddr - Retrieve the address of the PC label of the specified id.

Definition at line 148 of file ARMJITInfo.h.

References llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT >::find(), and I.

TargetJITInfo::StubLayout ARMJITInfo::getStubLayout ( )

virtual

Returns the maximum size and alignment for a call stub on this target.

Reimplemented from llvm::TargetJITInfo.

Definition at line 152 of file ARMJITInfo.cpp.

virtual bool llvm::ARMJITInfo::hasCustomConstantPool ( ) const

inlinevirtual

hasCustomConstantPool - Allows a target to specify that constant pool address resolution is handled by the target.

Reimplemented from llvm::TargetJITInfo.

Definition at line 85 of file ARMJITInfo.h.

virtual bool llvm::ARMJITInfo::hasCustomJumpTables ( ) const

inlinevirtual

hasCustomJumpTables - Allows a target to specify that jumptables are emitted by the target.

Reimplemented from llvm::TargetJITInfo.

Definition at line 89 of file ARMJITInfo.h.

void llvm::ARMJITInfo::Initialize	(	const MachineFunction &	MF,
		bool	isPIC
	)

inline

Initialize - Initialize internal stage for the function being JITted. Resize constant pool ids to CONSTPOOL_ENTRY addresses map; resize jump table ids to jump table bases map; remember if codegen relocation model is PIC.

Definition at line 106 of file ARMJITInfo.h.

References llvm::MachineFunction::getInfo(), llvm::ARMFunctionInfo::getNumJumpTables(), llvm::ARMFunctionInfo::getNumPICLabels(), and llvm::SmallVectorImpl< T >::resize().

void ARMJITInfo::relocate	(	void *	Function,
		MachineRelocation *	MR,
		unsigned	NumRelocs,
		unsigned char *	GOTBase
	)

virtual

relocate - Before the JIT can run a block of code that has been emitted, it must rewrite the code to contain the actual addresses of any referenced global symbols.

Reimplemented from llvm::TargetJITInfo.

Definition at line 267 of file ARMJITInfo.cpp.

References llvm::MachineRelocation::getMachineCodeOffset(), llvm::MachineRelocation::getRelocationType(), llvm::ARMII::RegRnShift, llvm::ARM::reloc_arm_absolute, llvm::ARM::reloc_arm_branch, llvm::ARM::reloc_arm_cp_entry, llvm::ARM::reloc_arm_jt_base, llvm::ARM::reloc_arm_machine_cp_entry, llvm::ARM::reloc_arm_movt, llvm::ARM::reloc_arm_movw, llvm::ARM::reloc_arm_pic_jt, llvm::ARM::reloc_arm_relative, llvm::ARM::reloc_arm_vfp_cp_entry, and llvm::ARMII::U_BitShift.

void ARMJITInfo::replaceMachineCodeForFunction	(	void *	Old,
		void *	New
	)

virtual

replaceMachineCodeForFunction - Make it so that calling the function whose machine code is at OLD turns into a call to NEW, perhaps by overwriting OLD with a branch to NEW. This is used for self-modifying code.

Implements llvm::TargetJITInfo.

Definition at line 29 of file ARMJITInfo.cpp.

References llvm::report_fatal_error().

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation