IC Class Reference

#include <ic.h>

Inheritance diagram for IC:

Public Types
enum	UtilityId { kUtilityCount }
enum	FrameDepth { NO_EXTRA_FRAME = 0, EXTRA_CALL_FRAME = 1 }
typedef InlineCacheState	State

Public Member Functions
	IC (FrameDepth depth, Isolate *isolate)
virtual	~IC ()
Code *	target () const
Address	address () const
virtual bool	IsGeneric () const
RelocInfo::Mode	ComputeMode ()
bool	IsContextual (Handle< Object > receiver)
bool	SlowIsContextual ()

Static Public Member Functions
static Address	AddressFromUtilityId (UtilityId id)
static State	StateFrom (Code *target, Object *receiver, Object *name)
static void	Clear (Address address)
static InlineCacheHolderFlag	GetCodeCacheForObject (Object *object, JSObject *holder)
static InlineCacheHolderFlag	GetCodeCacheForObject (JSObject *object, JSObject *holder)
static JSObject *	GetCodeCacheHolder (Object *object, InlineCacheHolderFlag holder)

Protected Member Functions
Address	fp () const
Address	pc () const
Isolate *	isolate () const
void	set_target (Code *code)
Failure *	TypeError (const char *type, Handle< Object > object, Handle< Object > key)
Failure *	ReferenceError (const char *type, Handle< String > name)

Static Protected Member Functions
static Code *	GetTargetAtAddress (Address address)
static void	SetTargetAtAddress (Address address, Code *target)
static void	PostPatching (Address address, Code *target, Code *old_target)

Detailed Description

Definition at line 68 of file ic.h.

Member Typedef Documentation

typedef InlineCacheState State

Definition at line 82 of file ic.h.

Member Enumeration Documentation

enum FrameDepth

Enumerator
NO_EXTRA_FRAME
EXTRA_CALL_FRAME

Definition at line 86 of file ic.h.

enum UtilityId

Enumerator
kUtilityCount

Definition at line 71 of file ic.h.

Constructor & Destructor Documentation

IC	(	FrameDepth	depth,
		Isolate *	isolate
	)

Definition at line 112 of file ic.cc.

References Memory::Address_at(), ASSERT, Isolate::c_entry_fp(), IC::EXTRA_CALL_FRAME, IC::fp(), ExitFrameConstants::kCallerFPOffset, StandardFrameConstants::kCallerFPOffset, ExitFrameConstants::kCallerPCOffset, StandardFrameConstants::kCallerPCOffset, and Isolate::thread_local_top().

virtual ~IC ( )

inlinevirtual

Definition at line 94 of file ic.h.

Member Function Documentation

Address address ( ) const

inline

Definition at line 41 of file ic-inl.h.

References IC::pc(), Assembler::target_address_at(), and Assembler::target_address_from_return_address().

Referenced by IC::ComputeMode(), v8::internal::RUNTIME_FUNCTION(), IC::set_target(), and IC::target().

Address AddressFromUtilityId ( IC::UtilityId  id )

static

Definition at line 2698 of file ic.cc.

void Clear ( Address  address )

static

Definition at line 344 of file ic.cc.

References CallICBase::Clear(), v8::internal::DEBUG_BREAK, IC::GetTargetAtAddress(), Code::ic_state(), Code::kind(), and UNREACHABLE.

Referenced by Code::ClearInlineCaches(), and StaticMarkingVisitor< StaticVisitor >::VisitCodeTarget().

RelocInfo::Mode ComputeMode

(

)

Definition at line 267 of file ic.cc.

References IC::address(), Code::cast(), RelocIterator::done(), IC::isolate(), NONE, and UNREACHABLE.

Referenced by IC::SlowIsContextual().

Address fp ( ) const

inlineprotected

Definition at line 138 of file ic.h.

Referenced by IC::IC(), CallICBase::LoadFunction(), and CallICBase::TryUpdateExtraICState().

InlineCacheHolderFlag GetCodeCacheForObject ( Object *  object, JSObject *  holder  )

inlinestatic

Definition at line 103 of file ic-inl.h.

References ASSERT, JSObject::cast(), and v8::internal::PROTOTYPE_MAP.

InlineCacheHolderFlag GetCodeCacheForObject ( JSObject *  object, JSObject *  holder  )

inlinestatic

Definition at line 114 of file ic-inl.h.

References JSObject::HasFastProperties(), v8::internal::OWN_MAP, and v8::internal::PROTOTYPE_MAP.

JSObject * GetCodeCacheHolder ( Object *  object, InlineCacheHolderFlag  holder  )

inlinestatic

Definition at line 131 of file ic-inl.h.

References ASSERT, JSObject::cast(), and v8::internal::OWN_MAP.

Code * GetTargetAtAddress ( Address  address )

inlinestaticprotected

Definition at line 69 of file ic-inl.h.

References ASSERT, Code::GetCodeFromTargetAddress(), Code::is_inline_cache_stub(), IC::target(), and Assembler::target_address_at().

Referenced by IC::Clear(), IC::SetTargetAtAddress(), and IC::target().

bool IsContextual ( Handle< Object >  receiver )

inline

Definition at line 115 of file ic.h.

References ASSERT, and IC::SlowIsContextual().

Referenced by LoadIC::Load(), KeyedLoadIC::Load(), CallICBase::LoadFunction(), and StoreIC::Store().

virtual bool IsGeneric ( ) const

inlinevirtual

Reimplemented in KeyedStoreIC, and KeyedLoadIC.

Definition at line 100 of file ic.h.

Isolate* isolate ( ) const

inlineprotected

Definition at line 140 of file ic.h.

Referenced by IC::ComputeMode(), CallICBase::ComputeMonomorphicStub(), KeyedLoadIC::ComputePolymorphicStub(), KeyedStoreIC::ComputePolymorphicStub(), KeyedIC::ComputeStub(), LoadIC::Load(), KeyedLoadIC::Load(), CallICBase::LoadFunction(), KeyedCallIC::LoadFunction(), CallICBase::ReceiverToObjectIfRequired(), IC::ReferenceError(), StoreIC::Store(), KeyedStoreIC::Store(), KeyedLoadIC::string_stub(), CallICBase::TryUpdateExtraICState(), IC::TypeError(), and CallICBase::UpdateCaches().

Address pc ( ) const

inlineprotected

Definition at line 139 of file ic.h.

Referenced by IC::address().

void PostPatching ( Address  address, Code *  target, Code *  old_target  )

staticprotected

Definition at line 309 of file ic.cc.

References TypeFeedbackInfo::cast(), TypeFeedbackInfo::change_ic_with_type_info_count(), TypeFeedbackInfo::change_own_type_change_checksum(), HeapObject::GetHeap(), Code::ic_state(), Code::is_inline_cache_stub(), Heap::isolate(), Code::kind(), and Code::set_profiler_ticks().

Referenced by IC::SetTargetAtAddress().

Failure * ReferenceError ( const char *  type, Handle< String >  name  )

protected

Definition at line 291 of file ic.cc.

References Isolate::factory(), v8::internal::HandleVector(), IC::isolate(), Factory::NewReferenceError(), and Isolate::Throw().

Referenced by LoadIC::Load(), KeyedLoadIC::Load(), CallICBase::LoadFunction(), and StoreIC::Store().

void set_target ( Code *  code )

inlineprotected

Definition at line 149 of file ic.h.

References IC::address(), and IC::SetTargetAtAddress().

Referenced by LoadIC::Load(), KeyedLoadIC::Load(), KeyedCallIC::LoadFunction(), UnaryOpIC::patch(), BinaryOpIC::patch(), ToBooleanIC::patch(), and CallICBase::UpdateCaches().

void SetTargetAtAddress ( Address  address, Code *  target  )

inlinestaticprotected

Definition at line 80 of file ic-inl.h.

References ASSERT, Code::extra_ic_state(), HeapObject::GetHeap(), Code::GetStrictMode(), IC::GetTargetAtAddress(), Code::instruction_start(), Code::is_compare_ic_stub(), Code::is_inline_cache_stub(), Code::kind(), Heap::MARK_COMPACT, IC::PostPatching(), and Assembler::set_target_address_at().

Referenced by CallICBase::Clear(), and IC::set_target().

bool SlowIsContextual ( )

inline

Definition at line 124 of file ic.h.

References IC::ComputeMode().

Referenced by IC::IsContextual().

IC::State StateFrom ( Code *  target, Object *  receiver, Object *  name  )

static

Definition at line 227 of file ic.cc.

References Code::ic_state(), Code::kind(), v8::internal::MONOMORPHIC, v8::internal::MONOMORPHIC_PROTOTYPE_FAILURE, and v8::internal::UNINITIALIZED.

Referenced by v8::internal::RUNTIME_FUNCTION().

Code* target ( ) const

inline

Definition at line 97 of file ic.h.

References IC::address(), and IC::GetTargetAtAddress().

Referenced by CallIC::CallIC(), CallICBase::ComputeMonomorphicStub(), KeyedIC::ComputeStub(), IC::GetTargetAtAddress(), KeyedLoadIC::IsGeneric(), KeyedStoreIC::IsGeneric(), KeyedCallIC::KeyedCallIC(), KeyedLoadIC::KeyedLoadIC(), KeyedStoreIC::KeyedStoreIC(), KeyedLoadIC::Load(), KeyedCallIC::LoadFunction(), LoadIC::LoadIC(), CallICBase::ReceiverToObjectIfRequired(), StoreIC::Store(), KeyedStoreIC::Store(), StoreIC::StoreIC(), CallICBase::TryCallAsFunction(), CallICBase::TryUpdateExtraICState(), and CallICBase::UpdateCaches().

Failure * TypeError ( const char *  type, Handle< Object >  object, Handle< Object >  key  )

protected

Definition at line 280 of file ic.cc.

References Isolate::factory(), v8::internal::HandleVector(), IC::isolate(), Factory::NewTypeError(), and Isolate::Throw().

Referenced by LoadIC::Load(), KeyedLoadIC::Load(), CallICBase::LoadFunction(), KeyedCallIC::LoadFunction(), StoreIC::Store(), and KeyedStoreIC::Store().

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

• src/ic.h
• src/ic-inl.h
• src/ic.cc