Code Class Reference

#include <objects.h>

Inheritance diagram for Code:

Collaboration diagram for Code:

Data Structures
class	BinaryOpResultTypeField
class	BinaryOpTypeField
class	CacheHolderField
class	CompareOperationField
class	CompareStateField
class	ExtraICStateField
class	ExtraICStateKeyedAccessGrowMode
class	ExtraICStateStrictMode
class	FullCodeFlagsHasDebugBreakSlotsField
class	FullCodeFlagsHasDeoptimizationSupportField
class	FullCodeFlagsIsCompiledOptimizable
class	HasFunctionCacheField
class	ICStateField
class	IsPregeneratedField
class	KindField
class	SafepointTableOffsetField
class	StackCheckTableOffsetField
class	StackSlotsField
class	StubMajorKeyField
class	ToBooleanStateField
class	TypeField
class	UnaryOpTypeField

Public Types
enum	Flags { FLAGS_MIN_VALUE = kMinInt, FLAGS_MAX_VALUE = kMaxInt }
enum	Kind { LAST_CODE_KIND = TO_BOOLEAN_IC, REGEXP = BUILTIN, FIRST_IC_KIND = LOAD_IC, LAST_IC_KIND = TO_BOOLEAN_IC }
enum	StubType {   NORMAL, FIELD, CONSTANT_FUNCTION, CALLBACKS,   INTERCEPTOR, MAP_TRANSITION, NONEXISTENT }
enum	{ NUMBER_OF_KINDS = LAST_IC_KIND + 1 }
typedef int	ExtraICState

Public Member Functions
	STATIC_ASSERT (LAST_CODE_KIND< 16)
int	instruction_size ()
void	set_instruction_size (int value)
void	InvalidateRelocation ()
void	set_ic_age (int count)
int	ic_age ()
ByteArray *	unchecked_relocation_info ()
FixedArray *	unchecked_deoptimization_data ()
int	relocation_size ()
Flags	flags ()
void	set_flags (Flags flags)
Kind	kind ()
InlineCacheState	ic_state ()
ExtraICState	extra_ic_state ()
StubType	type ()
int	arguments_count ()
bool	is_inline_cache_stub ()
bool	is_load_stub ()
bool	is_keyed_load_stub ()
bool	is_store_stub ()
bool	is_keyed_store_stub ()
bool	is_call_stub ()
bool	is_keyed_call_stub ()
bool	is_unary_op_stub ()
bool	is_binary_op_stub ()
bool	is_compare_ic_stub ()
bool	is_to_boolean_ic_stub ()
int	major_key ()
void	set_major_key (int value)
bool	is_pregenerated ()
void	set_is_pregenerated (bool value)
bool	optimizable ()
void	set_optimizable (bool value)
bool	has_deoptimization_support ()
void	set_has_deoptimization_support (bool value)
bool	has_debug_break_slots ()
void	set_has_debug_break_slots (bool value)
bool	is_compiled_optimizable ()
void	set_compiled_optimizable (bool value)
void	set_allow_osr_at_loop_nesting_level (int level)
int	allow_osr_at_loop_nesting_level ()
int	profiler_ticks ()
void	set_profiler_ticks (int ticks)
unsigned	stack_slots ()
void	set_stack_slots (unsigned slots)
unsigned	safepoint_table_offset ()
void	set_safepoint_table_offset (unsigned offset)
unsigned	stack_check_table_offset ()
void	set_stack_check_table_offset (unsigned offset)
CheckType	check_type ()
void	set_check_type (CheckType value)
byte	unary_op_type ()
void	set_unary_op_type (byte value)
byte	binary_op_type ()
void	set_binary_op_type (byte value)
byte	binary_op_result_type ()
void	set_binary_op_result_type (byte value)
byte	compare_state ()
void	set_compare_state (byte value)
byte	compare_operation ()
void	set_compare_operation (byte value)
byte	to_boolean_state ()
void	set_to_boolean_state (byte value)
bool	has_function_cache ()
void	set_has_function_cache (bool flag)
bool	allowed_in_shared_map_code_cache ()
SafepointEntry	GetSafepointEntry (Address pc)
void	SetNoStackCheckTable ()
Map *	FindFirstMap ()
byte *	instruction_start ()
byte *	instruction_end ()
int	body_size ()
byte *	relocation_start ()
byte *	entry ()
bool	contains (byte *pc)
void	Relocate (intptr_t delta)
void	CopyFrom (const CodeDesc &desc)
int	ExecutableSize ()
int	SourcePosition (Address pc)
int	SourceStatementPosition (Address pc)
int	CodeSize ()
void	CodeIterateBody (ObjectVisitor *v)
template<typename StaticVisitor >
void	CodeIterateBody (Heap *heap)
void	ClearInlineCaches ()
void	ClearTypeFeedbackCells (Heap *heap)
	STATIC_ASSERT (kStackSlotsFirstBit+kStackSlotsBitCount<=32)
	STATIC_ASSERT (kUnaryOpTypeFirstBit+kUnaryOpTypeBitCount<=32)
	STATIC_ASSERT (kBinaryOpTypeFirstBit+kBinaryOpTypeBitCount<=32)
	STATIC_ASSERT (kBinaryOpResultTypeFirstBit+kBinaryOpResultTypeBitCount<=32)
	STATIC_ASSERT (kCompareStateFirstBit+kCompareStateBitCount<=32)
	STATIC_ASSERT (kCompareOperationFirstBit+kCompareOperationBitCount<=32)
	STATIC_ASSERT (kToBooleanStateFirstBit+kToBooleanStateBitCount<=32)
	STATIC_ASSERT (kHasFunctionCacheFirstBit+kHasFunctionCacheBitCount<=32)
	STATIC_ASSERT (kStubMajorKeyFirstBit+kStubMajorKeyBits<=32)
	STATIC_ASSERT (kSafepointTableOffsetFirstBit+kSafepointTableOffsetBitCount<=32)
Public Member Functions inherited from HeapObject
Map *	map ()
void	set_map (Map *value)
void	set_map_no_write_barrier (Map *value)
MapWord	map_word ()
void	set_map_word (MapWord map_word)
Heap *	GetHeap ()
Isolate *	GetIsolate ()
Address	address ()
void	Iterate (ObjectVisitor *v)
void	IterateBody (InstanceType type, int object_size, ObjectVisitor *v)
int	Size ()
int	SizeFromMap (Map *map)
WriteBarrierMode	GetWriteBarrierMode (const AssertNoAllocation &)
void	HeapObjectShortPrint (StringStream *accumulator)
	STATIC_CHECK (kMapOffset==Internals::kHeapObjectMapOffset)
Public Member Functions inherited from Object
bool	IsObject ()
bool	IsFixedArrayBase ()
bool	IsInstanceOf (FunctionTemplateInfo *type)
bool	IsStruct ()
	INLINE (bool IsSpecObject())
	INLINE (bool IsSpecFunction())
	INLINE (bool IsUndefined())
	INLINE (bool IsNull())
	INLINE (bool IsTheHole())
	INLINE (bool IsTrue())
	INLINE (bool IsFalse())
bool	IsArgumentsMarker ()
bool	NonFailureIsHeapObject ()
bool	IsFiller ()
double	Number ()
bool	IsNaN ()
bool	HasValidElements ()
bool	HasSpecificClassOf (String *name)
MUST_USE_RESULT MaybeObject *	ToObject ()
Object *	ToBoolean ()
MUST_USE_RESULT MaybeObject *	ToObject (Context *native_context)
MUST_USE_RESULT MaybeObject *	ToSmi ()
void	Lookup (String *name, LookupResult *result)
MUST_USE_RESULT MaybeObject *	GetProperty (String *key)
MUST_USE_RESULT MaybeObject *	GetProperty (String *key, PropertyAttributes *attributes)
MUST_USE_RESULT MaybeObject *	GetPropertyWithReceiver (Object *receiver, String *key, PropertyAttributes *attributes)
MUST_USE_RESULT MaybeObject *	GetProperty (Object *receiver, LookupResult *result, String *key, PropertyAttributes *attributes)
MUST_USE_RESULT MaybeObject *	GetPropertyWithDefinedGetter (Object *receiver, JSReceiver *getter)
MUST_USE_RESULT MaybeObject *	GetElement (uint32_t index)
Object *	GetElementNoExceptionThrown (uint32_t index)
MUST_USE_RESULT MaybeObject *	GetElementWithReceiver (Object *receiver, uint32_t index)
Object *	GetPrototype ()
MUST_USE_RESULT MaybeObject *	GetHash (CreationFlag flag)
bool	SameValue (Object *other)
bool	ToArrayIndex (uint32_t *index)
bool	IsStringObjectWithCharacterAt (uint32_t index)
void	VerifyApiCallResultType ()
void	ShortPrint ()
void	ShortPrint (FILE *out)
void	ShortPrint (StringStream *accumulator)

Static Public Member Functions
static StrictModeFlag	GetStrictMode (ExtraICState extra_ic_state)
static KeyedAccessGrowMode	GetKeyedAccessGrowMode (ExtraICState extra_ic_state)
static ExtraICState	ComputeExtraICState (KeyedAccessGrowMode grow_mode, StrictModeFlag strict_mode)
static Flags	ComputeFlags (Kind kind, InlineCacheState ic_state=UNINITIALIZED, ExtraICState extra_ic_state=kNoExtraICState, StubType type=NORMAL, int argc=-1, InlineCacheHolderFlag holder=OWN_MAP)
static Flags	ComputeMonomorphicFlags (Kind kind, StubType type, ExtraICState extra_ic_state=kNoExtraICState, InlineCacheHolderFlag holder=OWN_MAP, int argc=-1)
static InlineCacheState	ExtractICStateFromFlags (Flags flags)
static StubType	ExtractTypeFromFlags (Flags flags)
static Kind	ExtractKindFromFlags (Flags flags)
static InlineCacheHolderFlag	ExtractCacheHolderFromFlags (Flags flags)
static ExtraICState	ExtractExtraICStateFromFlags (Flags flags)
static int	ExtractArgumentsCountFromFlags (Flags flags)
static Flags	RemoveTypeFromFlags (Flags flags)
static Code *	GetCodeFromTargetAddress (Address address)
static Object *	GetObjectFromEntryAddress (Address location_of_address)
static int	SizeFor (int body_size)
static Code *	cast (Object *obj)
Static Public Member Functions inherited from HeapObject
static HeapObject *	FromAddress (Address address)
static Object **	RawField (HeapObject *obj, int offset)
static HeapObject *	cast (Object *obj)
Static Public Member Functions inherited from Object
static Handle< Object >	GetProperty (Handle< Object > object, Handle< Object > receiver, LookupResult *result, Handle< String > key, PropertyAttributes *attributes)
static Handle< Object >	GetElement (Handle< Object > object, uint32_t index)
static Object *	cast (Object *value)

Static Public Attributes
static const ExtraICState	kNoExtraICState = 0
static const int	kExtraICStateGrowModeShift = 1
static const int	kMaxLoopNestingMarker = 6
static const int	kInstructionSizeOffset = HeapObject::kHeaderSize
static const int	kRelocationInfoOffset = kInstructionSizeOffset + kIntSize
static const int	kHandlerTableOffset = kRelocationInfoOffset + kPointerSize
static const int	kDeoptimizationDataOffset
static const int	kTypeFeedbackInfoOffset
static const int	kGCMetadataOffset = kTypeFeedbackInfoOffset + kPointerSize
static const int	kICAgeOffset
static const int	kFlagsOffset = kICAgeOffset + kIntSize
static const int	kKindSpecificFlags1Offset = kFlagsOffset + kIntSize
static const int	kKindSpecificFlags2Offset
static const int	kHeaderPaddingStart = kKindSpecificFlags2Offset + kIntSize
static const int	kHeaderSize
static const int	kOptimizableOffset = kKindSpecificFlags1Offset
static const int	kCheckTypeOffset = kKindSpecificFlags1Offset
static const int	kFullCodeFlags = kOptimizableOffset + 1
static const int	kAllowOSRAtLoopNestingLevelOffset = kFullCodeFlags + 1
static const int	kProfilerTicksOffset = kAllowOSRAtLoopNestingLevelOffset + 1
static const int	kStackSlotsFirstBit = 0
static const int	kStackSlotsBitCount = 24
static const int	kUnaryOpTypeFirstBit
static const int	kUnaryOpTypeBitCount = 3
static const int	kBinaryOpTypeFirstBit
static const int	kBinaryOpTypeBitCount = 3
static const int	kBinaryOpResultTypeFirstBit
static const int	kBinaryOpResultTypeBitCount = 3
static const int	kCompareStateFirstBit
static const int	kCompareStateBitCount = 3
static const int	kCompareOperationFirstBit
static const int	kCompareOperationBitCount = 4
static const int	kToBooleanStateFirstBit
static const int	kToBooleanStateBitCount = 8
static const int	kHasFunctionCacheFirstBit
static const int	kHasFunctionCacheBitCount = 1
static const int	kStubMajorKeyFirstBit = 0
static const int	kSafepointTableOffsetFirstBit
static const int	kSafepointTableOffsetBitCount = 26
static const int	kArgumentsCountShift = 14
static const int	kArgumentsCountMask = ~((1 << kArgumentsCountShift) - 1)
static const int	kFlagsNotUsedInLookup
Static Public Attributes inherited from HeapObject
static const int	kMapOffset = Object::kHeaderSize
static const int	kHeaderSize = kMapOffset + kPointerSize
Static Public Attributes inherited from Object
static const int	kHeaderSize = 0

Additional Inherited Members
Protected Member Functions inherited from HeapObject
void	IteratePointers (ObjectVisitor *v, int start, int end)
void	IteratePointer (ObjectVisitor *v, int offset)

Detailed Description

Definition at line 4176 of file objects.h.

Member Typedef Documentation

typedef int ExtraICState

Definition at line 4234 of file objects.h.

Member Enumeration Documentation

anonymous enum

Enumerator
NUMBER_OF_KINDS

Definition at line 4230 of file objects.h.

enum Flags

Enumerator
FLAGS_MIN_VALUE
FLAGS_MAX_VALUE

Definition at line 4182 of file objects.h.

enum Kind

Enumerator
LAST_CODE_KIND
REGEXP
FIRST_IC_KIND
LAST_IC_KIND

Definition at line 4203 of file objects.h.

enum StubType

Enumerator
NORMAL
FIELD
CONSTANT_FUNCTION
CALLBACKS
INTERCEPTOR
MAP_TRANSITION
NONEXISTENT

Definition at line 4220 of file objects.h.

Member Function Documentation

int allow_osr_at_loop_nesting_level ( )

inline

Definition at line 3292 of file objects-inl.h.

References ASSERT_EQ, and READ_BYTE_FIELD.

Referenced by RuntimeProfiler::OptimizeNow().

bool allowed_in_shared_map_code_cache

(

)

Definition at line 8442 of file objects.cc.

References Code::compare_state(), Code::is_compare_ic_stub(), Code::is_keyed_load_stub(), Code::is_keyed_store_stub(), and CompareIC::KNOWN_OBJECTS.

Referenced by Map::UpdateCodeCache().

int arguments_count ( )

inline

Definition at line 3192 of file objects-inl.h.

References ASSERT, and v8::internal::flags.

Referenced by CallICBase::Clear(), CallICBase::ComputeMonomorphicStub(), KeyedCallIC::LoadFunction(), CallICBase::ReceiverToObjectIfRequired(), CallICBase::TryCallAsFunction(), CallICBase::TryUpdateExtraICState(), and CallICBase::UpdateCaches().

byte binary_op_result_type ( )

inline

Definition at line 3410 of file objects-inl.h.

References ASSERT, and READ_UINT32_FIELD.

byte binary_op_type ( )

inline

Definition at line 3395 of file objects-inl.h.

References ASSERT, and READ_UINT32_FIELD.

int body_size ( )

inline

Definition at line 4659 of file objects-inl.h.

References v8::internal::kObjectAlignment, and v8::internal::RoundUp().

static Code* cast ( Object *  obj )

inlinestatic

Referenced by SharedFunctionInfo::AddToOptimizedCodeMap(), check(), JSFunction::code(), IC::ComputeMode(), Heap::CopyCode(), Code::CopyFrom(), Heap::CreateCode(), CodeCacheHashTableKey::HashForObject(), SharedFunctionInfo::InstallFromOptimizedCodeMap(), RegExpImpl::IrregexpNativeCode(), CodeCacheHashTableKey::IsMatch(), JSBuiltinsObject::javascript_builtin_code(), MarkCompactCollector::MigrateObject(), JavaScriptFrame::PrintTop(), IncrementalMarking::RecordWriteIntoCodeSlow(), TEST(), MarkCompactMarkingVisitor::ObjectStatsTracker< MarkCompactMarkingVisitor::kVisitCode >::Visit(), StaticMarkingVisitor< StaticVisitor >::VisitCode(), StaticMarkingVisitor< StaticVisitor >::VisitCodeEntry(), Serializer::ObjectSerializer::VisitCodeEntry(), PointersUpdatingVisitor::VisitCodeTarget(), and PointersUpdatingVisitor::VisitDebugTarget().

CheckType check_type ( )

inline

Definition at line 3367 of file objects-inl.h.

References ASSERT, and READ_BYTE_FIELD.

void ClearInlineCaches

(

)

Definition at line 8414 of file objects.cc.

References IC::Clear(), RelocIterator::done(), Code::GetCodeFromTargetAddress(), and Code::is_inline_cache_stub().

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

void ClearTypeFeedbackCells

(

Heap *

heap

)

Definition at line 8429 of file objects.cc.

References TypeFeedbackInfo::cast(), TypeFeedbackCells::Cell(), TypeFeedbackCells::CellCount(), and TypeFeedbackCells::RawUninitializedSentinel().

Referenced by v8::internal::RUNTIME_FUNCTION(), and StaticMarkingVisitor< StaticVisitor >::VisitCode().

void CodeIterateBody ( ObjectVisitor *  v )

inline

Definition at line 606 of file objects-visiting-inl.h.

References RelocIterator::done(), HeapObject::IteratePointer(), Code::kDeoptimizationDataOffset, Code::kHandlerTableOffset, Code::kRelocationInfoOffset, Code::kTypeFeedbackInfoOffset, RelocIterator::next(), RelocIterator::rinfo(), and RUNTIME_ENTRY.

Referenced by StaticMarkingVisitor< StaticVisitor >::VisitCode().

void CodeIterateBody ( Heap *  heap )

inline

Definition at line 630 of file objects-visiting-inl.h.

References HeapObject::address(), RelocIterator::done(), Code::kDeoptimizationDataOffset, Code::kHandlerTableOffset, Code::kRelocationInfoOffset, Code::kTypeFeedbackInfoOffset, RelocIterator::next(), RelocIterator::rinfo(), and RUNTIME_ENTRY.

int CodeSize ( )

inline

Definition at line 4509 of file objects.h.

byte compare_operation ( )

inline

Definition at line 3440 of file objects-inl.h.

References ASSERT, and READ_UINT32_FIELD.

Referenced by CompareIC::ComputeOperation().

byte compare_state ( )

inline

Definition at line 3425 of file objects-inl.h.

References ASSERT, and READ_UINT32_FIELD.

Referenced by Code::allowed_in_shared_map_code_cache(), and CompareIC::ComputeState().

static ExtraICState ComputeExtraICState ( KeyedAccessGrowMode  grow_mode, StrictModeFlag  strict_mode  )

inlinestatic

Definition at line 4423 of file objects.h.

Referenced by KeyedIC::ComputeStub().

Code::Flags ComputeFlags ( Kind  kind, InlineCacheState  ic_state = UNINITIALIZED, ExtraICState  extra_ic_state = kNoExtraICState, StubType  type = NORMAL, int  argc = -1, InlineCacheHolderFlag  holder = OWN_MAP  )

inlinestatic

Definition at line 3491 of file objects-inl.h.

References ASSERT.

Referenced by check(), LChunk::Codegen(), KeyedIC::ComputeStub(), FullCodeGenerator::MakeCode(), and TEST().

Code::Flags ComputeMonomorphicFlags ( Kind  kind, StubType  type, ExtraICState  extra_ic_state = kNoExtraICState, InlineCacheHolderFlag  holder = OWN_MAP, int  argc = -1  )

inlinestatic

Definition at line 3514 of file objects-inl.h.

References v8::internal::MONOMORPHIC.

Referenced by TypeFeedbackOracle::CallReceiverTypes(), TypeFeedbackOracle::LoadReceiverTypes(), and TypeFeedbackOracle::StoreReceiverTypes().

bool contains ( byte *  pc )

inline

Definition at line 4690 of file objects-inl.h.

References HeapObject::address(), and HeapObject::Size().

Referenced by OptimizedFrame::GetDeoptimizationData(), and Builtins::Lookup().

void CopyFrom

(

const CodeDesc &

desc

)

Definition at line 8291 of file objects.cc.

References ASSERT, CodeDesc::buffer, CodeDesc::buffer_size, Code::cast(), RelocIterator::done(), CPU::FlushICache(), CodeDesc::instr_size, Code::instruction_size(), Code::instruction_start(), CodeDesc::origin, CodeDesc::reloc_size, Code::relocation_start(), and v8::internal::SKIP_WRITE_BARRIER.

Referenced by Heap::CreateCode().

byte * entry ( )

inline

Definition at line 4685 of file objects-inl.h.

Referenced by check(), NativeRegExpMacroAssembler::Execute(), Deoptimizer::PatchStackCheckCodeAt(), Deoptimizer::RevertStackCheckCodeAt(), JSFunction::set_code(), and TEST().

int ExecutableSize ( )

inline

Definition at line 4494 of file objects.h.

References ASSERT_EQ, and Code::kHeaderSize.

Referenced by CpuProfiler::CodeCreateEvent(), Logger::CodeCreateEvent(), CpuProfiler::RegExpCodeCreateEvent(), and Logger::RegExpCodeCreateEvent().

Code::ExtraICState extra_ic_state ( )

inline

Definition at line 3181 of file objects-inl.h.

References ASSERT, and v8::internal::flags.

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

int ExtractArgumentsCountFromFlags ( Flags  flags )

inlinestatic

Definition at line 3543 of file objects-inl.h.

InlineCacheHolderFlag ExtractCacheHolderFromFlags ( Flags  flags )

inlinestatic

Definition at line 3548 of file objects-inl.h.

Code::ExtraICState ExtractExtraICStateFromFlags ( Flags  flags )

inlinestatic

Definition at line 3533 of file objects-inl.h.

InlineCacheState ExtractICStateFromFlags ( Flags  flags )

inlinestatic

Definition at line 3528 of file objects-inl.h.

Code::Kind ExtractKindFromFlags ( Flags  flags )

inlinestatic

Definition at line 3523 of file objects-inl.h.

Code::StubType ExtractTypeFromFlags ( Flags  flags )

inlinestatic

Definition at line 3538 of file objects-inl.h.

Referenced by TypeFeedbackOracle::LoadIsMonomorphicNormal(), CodeCache::Lookup(), and TypeFeedbackOracle::StoreIsMonomorphicNormal().

Map * FindFirstMap

(

)

Definition at line 8401 of file objects.cc.

References ASSERT, Map::cast(), RelocIterator::done(), Code::is_inline_cache_stub(), and v8::internal::NULL.

Referenced by StubCache::CollectMatchingMaps().

Code::Flags flags ( )

inline

Definition at line 3138 of file objects-inl.h.

References READ_INT_FIELD.

Referenced by CodeCache::GetIndex(), CodeCache::RemoveByIndex(), and StubCache::Set().

Code * GetCodeFromTargetAddress ( Address  address )

inlinestatic

Definition at line 3559 of file objects-inl.h.

References v8::internal::code(), HeapObject::FromAddress(), and Code::kHeaderSize.

Referenced by Code::ClearInlineCaches(), IC::GetTargetAtAddress(), StaticMarkingVisitor< StaticVisitor >::VisitCodeTarget(), Serializer::ObjectSerializer::VisitCodeTarget(), PointersUpdatingVisitor::VisitCodeTarget(), StaticMarkingVisitor< StaticVisitor >::VisitDebugTarget(), and PointersUpdatingVisitor::VisitDebugTarget().

static KeyedAccessGrowMode GetKeyedAccessGrowMode ( ExtraICState  extra_ic_state )

inlinestatic

Definition at line 4418 of file objects.h.

Referenced by KeyedIC::ComputeStub(), TypeFeedbackOracle::StoreIsMegamorphicWithTypeInfo(), and TypeFeedbackOracle::StoreIsMonomorphicNormal().

Object * GetObjectFromEntryAddress ( Address  location_of_address )

inlinestatic

Definition at line 3570 of file objects-inl.h.

References Memory::Address_at(), HeapObject::FromAddress(), and Code::kHeaderSize.

Referenced by JSFunction::unchecked_code(), StaticMarkingVisitor< StaticVisitor >::VisitCodeEntry(), and Serializer::ObjectSerializer::VisitCodeEntry().

SafepointEntry GetSafepointEntry

(

Address

pc

)

Definition at line 8388 of file objects.cc.

Referenced by OptimizedFrame::GetDeoptimizationData().

static StrictModeFlag GetStrictMode ( ExtraICState  extra_ic_state )

inlinestatic

Definition at line 4414 of file objects.h.

Referenced by v8::internal::RUNTIME_FUNCTION(), and IC::SetTargetAtAddress().

bool has_debug_break_slots ( )

inline

Definition at line 3262 of file objects-inl.h.

References ASSERT_EQ, v8::internal::flags, and READ_BYTE_FIELD.

bool has_deoptimization_support ( )

inline

Definition at line 3247 of file objects-inl.h.

References ASSERT_EQ, v8::internal::flags, and READ_BYTE_FIELD.

Referenced by SharedFunctionInfo::has_deoptimization_support().

bool has_function_cache ( )

inline

Definition at line 3470 of file objects-inl.h.

References ASSERT, and READ_UINT32_FIELD.

int ic_age ( )

inline

Referenced by StaticMarkingVisitor< StaticVisitor >::VisitCodeTarget().

InlineCacheState ic_state ( )

inline

Definition at line 3168 of file objects-inl.h.

References ASSERT, v8::internal::DEBUG_BREAK, v8::internal::DEBUG_PREPARE_STEP_IN, v8::internal::flags, and v8::internal::UNINITIALIZED.

Referenced by IC::Clear(), CallICBase::Clear(), KeyedIC::ComputeStub(), IC::PostPatching(), IC::StateFrom(), TEST(), and StaticMarkingVisitor< StaticVisitor >::VisitCodeTarget().

byte * instruction_end ( )

inline

Definition at line 4654 of file objects-inl.h.

Referenced by Heap::CopyCode(), Deoptimizer::DeoptimizeFunction(), and JavaScriptFrame::Print().

int instruction_size ( )

inline

Referenced by Heap::CopyCode(), Code::CopyFrom(), RuntimeProfiler::OptimizeNow(), RecordWriteStub::Patch(), Code::Relocate(), Code::SetNoStackCheckTable(), and TEST().

byte * instruction_start ( )

inline

Definition at line 4649 of file objects-inl.h.

References FIELD_ADDR, and FixedArrayBase::kHeaderSize.

Referenced by Code::CopyFrom(), Deoptimizer::DeoptimizeFunction(), RecordWriteStub::GetMode(), RecordWriteStub::Patch(), Deoptimizer::PatchStackCheckCode(), JavaScriptFrame::Print(), JavaScriptFrame::PrintTop(), Code::Relocate(), RelocIterator::RelocIterator(), Deoptimizer::RevertStackCheckCode(), IC::SetTargetAtAddress(), and TEST().

void InvalidateRelocation

(

)

Definition at line 8278 of file objects.cc.

References HeapObject::GetHeap().

Referenced by Deoptimizer::DeoptimizeFunction().

bool is_binary_op_stub ( )

inline

Definition at line 4304 of file objects.h.

bool is_call_stub ( )

inline

Definition at line 4301 of file objects.h.

Referenced by Heap::CreateCode().

bool is_compare_ic_stub ( )

inline

Definition at line 4305 of file objects.h.

Referenced by Code::allowed_in_shared_map_code_cache(), and IC::SetTargetAtAddress().

bool is_compiled_optimizable ( )

inline

Definition at line 3277 of file objects-inl.h.

References ASSERT_EQ, v8::internal::flags, and READ_BYTE_FIELD.

bool is_inline_cache_stub ( )

inline

Definition at line 3485 of file objects-inl.h.

Referenced by Code::ClearInlineCaches(), Code::FindFirstMap(), IC::GetTargetAtAddress(), IC::PostPatching(), IC::SetTargetAtAddress(), and StaticMarkingVisitor< StaticVisitor >::VisitCodeTarget().

bool is_keyed_call_stub ( )

inline

Definition at line 4302 of file objects.h.

Referenced by Heap::CreateCode().

bool is_keyed_load_stub ( )

inline

Definition at line 4298 of file objects.h.

Referenced by Code::allowed_in_shared_map_code_cache().

bool is_keyed_store_stub ( )

inline

Definition at line 4300 of file objects.h.

Referenced by Code::allowed_in_shared_map_code_cache().

bool is_load_stub ( )

inline

Definition at line 4297 of file objects.h.

bool is_pregenerated ( )

inline

Definition at line 3222 of file objects-inl.h.

References v8::internal::flags.

bool is_store_stub ( )

inline

Definition at line 4299 of file objects.h.

bool is_to_boolean_ic_stub ( )

inline

Definition at line 4306 of file objects.h.

bool is_unary_op_stub ( )

inline

Definition at line 4303 of file objects.h.

Code::Kind kind ( )

inline

Definition at line 3163 of file objects-inl.h.

References v8::internal::flags.

Referenced by IC::Clear(), CallICBase::Clear(), OptimizedFrame::GetDeoptimizationData(), SharedFunctionInfo::has_deoptimization_support(), JSFunction::IsInlineable(), RuntimeProfiler::OptimizeNow(), Deoptimizer::PatchStackCheckCode(), IC::PostPatching(), JavaScriptFrame::Print(), JSFunction::ReplaceCode(), Deoptimizer::RevertStackCheckCode(), v8::internal::RUNTIME_FUNCTION(), IC::SetTargetAtAddress(), and IC::StateFrom().

int major_key ( )

inline

Definition at line 3198 of file objects-inl.h.

References ASSERT, and READ_UINT32_FIELD.

Referenced by CompareIC::ComputeOperation(), CompareIC::ComputeState(), and BASE_EMBEDDED< Visitor >::GetMajorKey().

bool optimizable ( )

inline

Definition at line 3235 of file objects-inl.h.

References ASSERT_EQ, and READ_BYTE_FIELD.

Referenced by JSFunction::IsInlineable().

int profiler_ticks ( )

inline

Definition at line 3305 of file objects-inl.h.

References ASSERT_EQ, and READ_BYTE_FIELD.

Referenced by RuntimeProfiler::OptimizeNow().

void Relocate

(

intptr_t

delta

)

Definition at line 8283 of file objects.cc.

References RelocIterator::done(), CPU::FlushICache(), Code::instruction_size(), and Code::instruction_start().

Referenced by Heap::CopyCode(), and MarkCompactCollector::MigrateObject().

int relocation_size ( )

inline

Definition at line 4680 of file objects-inl.h.

Referenced by RelocIterator::RelocIterator().

byte * relocation_start ( )

inline

Definition at line 4675 of file objects-inl.h.

Referenced by Heap::CopyCode(), Code::CopyFrom(), and RelocIterator::RelocIterator().

Code::Flags RemoveTypeFromFlags ( Flags  flags )

inlinestatic

Definition at line 3553 of file objects-inl.h.

unsigned safepoint_table_offset ( )

inline

Definition at line 3334 of file objects-inl.h.

References ASSERT, and READ_UINT32_FIELD.

void set_allow_osr_at_loop_nesting_level ( int  level )

inline

Definition at line 3298 of file objects-inl.h.

References ASSERT, ASSERT_EQ, and WRITE_BYTE_FIELD.

Referenced by RuntimeProfiler::OptimizeNow(), and v8::internal::RUNTIME_FUNCTION().

void set_binary_op_result_type ( byte  value )

inline

Definition at line 3417 of file objects-inl.h.

References ASSERT, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

void set_binary_op_type ( byte  value )

inline

Definition at line 3402 of file objects-inl.h.

References ASSERT, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

void set_check_type ( CheckType  value )

inline

Definition at line 3374 of file objects-inl.h.

References ASSERT, and WRITE_BYTE_FIELD.

Referenced by Heap::CreateCode().

void set_compare_operation ( byte  value )

inline

Definition at line 3447 of file objects-inl.h.

References ASSERT, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

void set_compare_state ( byte  value )

inline

Definition at line 3432 of file objects-inl.h.

References ASSERT, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

void set_compiled_optimizable ( bool  value )

inline

Definition at line 3284 of file objects-inl.h.

References ASSERT_EQ, v8::internal::flags, READ_BYTE_FIELD, and WRITE_BYTE_FIELD.

void set_flags ( Code::Flags  flags )

inline

Definition at line 3153 of file objects-inl.h.

References ASSERT, Code::NUMBER_OF_KINDS, v8::internal::STATIC_ASSERT(), and WRITE_INT_FIELD.

Referenced by Heap::CreateCode().

void set_has_debug_break_slots ( bool  value )

inline

Definition at line 3269 of file objects-inl.h.

References ASSERT_EQ, v8::internal::flags, READ_BYTE_FIELD, and WRITE_BYTE_FIELD.

void set_has_deoptimization_support ( bool  value )

inline

Definition at line 3254 of file objects-inl.h.

References ASSERT_EQ, v8::internal::flags, READ_BYTE_FIELD, and WRITE_BYTE_FIELD.

Referenced by SharedFunctionInfo::EnableDeoptimizationSupport().

void set_has_function_cache ( bool  flag )

inline

Definition at line 3477 of file objects-inl.h.

References ASSERT, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

void set_ic_age ( int  count )

inline

Referenced by Heap::CreateCode().

void set_instruction_size ( int  value )

inline

Referenced by Heap::CreateCode().

void set_is_pregenerated ( bool  value )

inline

Definition at line 3227 of file objects-inl.h.

References ASSERT, and v8::internal::flags.

void set_major_key ( int  value )

inline

Definition at line 3209 of file objects-inl.h.

References ASSERT, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

void set_optimizable ( bool  value )

inline

Definition at line 3241 of file objects-inl.h.

References ASSERT_EQ, and WRITE_BYTE_FIELD.

void set_profiler_ticks ( int  ticks )

inline

Definition at line 3311 of file objects-inl.h.

References ASSERT, ASSERT_EQ, and WRITE_BYTE_FIELD.

Referenced by RuntimeProfiler::OptimizeNow(), and IC::PostPatching().

void set_safepoint_table_offset ( unsigned  offset )

inline

Definition at line 3341 of file objects-inl.h.

References ASSERT, CHECK, v8::internal::IsAligned(), v8::internal::kIntSize, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

void set_stack_check_table_offset ( unsigned  offset )

inline

Definition at line 3358 of file objects-inl.h.

References ASSERT, ASSERT_EQ, v8::internal::IsAligned(), v8::internal::kIntSize, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

Referenced by Code::SetNoStackCheckTable().

void set_stack_slots ( unsigned  slots )

inline

Definition at line 3325 of file objects-inl.h.

References ASSERT, CHECK, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

void set_to_boolean_state ( byte  value )

inline

Definition at line 3462 of file objects-inl.h.

References ASSERT, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

void set_unary_op_type ( byte  value )

inline

Definition at line 3387 of file objects-inl.h.

References ASSERT, READ_UINT32_FIELD, and WRITE_UINT32_FIELD.

void SetNoStackCheckTable

(

)

Definition at line 8394 of file objects.cc.

References Code::instruction_size(), v8::internal::kIntSize, v8::internal::RoundUp(), and Code::set_stack_check_table_offset().

static int SizeFor ( int  body_size )

inlinestatic

Definition at line 4487 of file objects.h.

References ASSERT_SIZE_TAG_ALIGNED, v8::internal::kCodeAlignment, and v8::internal::RoundUp().

Referenced by Heap::CopyCode(), and Heap::CreateCode().

int SourcePosition

(

Address

pc

)

Definition at line 8336 of file objects.cc.

References RelocIterator::done(), v8::internal::kMaxInt, RelocIterator::next(), v8::internal::pc, and RelocIterator::rinfo().

Referenced by JavaScriptFrame::Print(), JavaScriptFrame::PrintTop(), and Code::SourceStatementPosition().

int SourceStatementPosition

(

Address

pc

)

Definition at line 8368 of file objects.cc.

References RelocIterator::done(), RelocIterator::next(), RelocIterator::rinfo(), and Code::SourcePosition().

unsigned stack_check_table_offset ( )

inline

Definition at line 3351 of file objects-inl.h.

References ASSERT_EQ, and READ_UINT32_FIELD.

Referenced by Deoptimizer::PatchStackCheckCode(), and Deoptimizer::RevertStackCheckCode().

unsigned stack_slots ( )

inline

Definition at line 3318 of file objects-inl.h.

References ASSERT, and READ_UINT32_FIELD.

STATIC_ASSERT

(

)

STATIC_ASSERT

(

kStackSlotsFirstBit+kStackSlotsBitCount<=

32

)

STATIC_ASSERT

(

kUnaryOpTypeFirstBit+kUnaryOpTypeBitCount<=

32

)

STATIC_ASSERT

(

kBinaryOpTypeFirstBit+kBinaryOpTypeBitCount<=

32

)

STATIC_ASSERT

(

kBinaryOpResultTypeFirstBit+kBinaryOpResultTypeBitCount<=

32

)

STATIC_ASSERT

(

kCompareStateFirstBit+kCompareStateBitCount<=

32

)

STATIC_ASSERT

(

kCompareOperationFirstBit+kCompareOperationBitCount<=

32

)

STATIC_ASSERT

(

kToBooleanStateFirstBit+kToBooleanStateBitCount<=

32

)

STATIC_ASSERT

(

kHasFunctionCacheFirstBit+kHasFunctionCacheBitCount<=

32

)

STATIC_ASSERT

(

kStubMajorKeyFirstBit+kStubMajorKeyBits<=

32

)

STATIC_ASSERT

(

kSafepointTableOffsetFirstBit+kSafepointTableOffsetBitCount<=

32

)

byte to_boolean_state ( )

inline

Definition at line 3455 of file objects-inl.h.

References ASSERT, and READ_UINT32_FIELD.

Code::StubType type ( )

inline

Definition at line 3187 of file objects-inl.h.

References v8::internal::flags.

Referenced by CodeCache::GetIndex(), CodeCache::RemoveByIndex(), and CodeCache::Update().

byte unary_op_type ( )

inline

Definition at line 3380 of file objects-inl.h.

References ASSERT, and READ_UINT32_FIELD.

FixedArray * unchecked_deoptimization_data ( )

inline

Definition at line 4664 of file objects-inl.h.

References READ_FIELD.

ByteArray * unchecked_relocation_info ( )

inline

Definition at line 4670 of file objects-inl.h.

References READ_FIELD.

Field Documentation

const int kAllowOSRAtLoopNestingLevelOffset = kFullCodeFlags + 1

static

Definition at line 4562 of file objects.h.

const int kArgumentsCountMask = ~((1 << kArgumentsCountShift) - 1)

static

Definition at line 4646 of file objects.h.

const int kArgumentsCountShift = 14

static

Definition at line 4645 of file objects.h.

const int kBinaryOpResultTypeBitCount = 3

static

Definition at line 4584 of file objects.h.

const int kBinaryOpResultTypeFirstBit

static

Initial value:

=
      kBinaryOpTypeFirstBit + kBinaryOpTypeBitCount

Definition at line 4582 of file objects.h.

const int kBinaryOpTypeBitCount = 3

static

Definition at line 4581 of file objects.h.

const int kBinaryOpTypeFirstBit

static

Initial value:

=
      kStackSlotsFirstBit + kStackSlotsBitCount

Definition at line 4579 of file objects.h.

const int kCheckTypeOffset = kKindSpecificFlags1Offset

static

Definition at line 4554 of file objects.h.

const int kCompareOperationBitCount = 4

static

Definition at line 4590 of file objects.h.

const int kCompareOperationFirstBit

static

Initial value:

=
      kCompareStateFirstBit + kCompareStateBitCount

Definition at line 4588 of file objects.h.

const int kCompareStateBitCount = 3

static

Definition at line 4587 of file objects.h.

const int kCompareStateFirstBit

static

Initial value:

=
      kStackSlotsFirstBit + kStackSlotsBitCount

Definition at line 4585 of file objects.h.

const int kDeoptimizationDataOffset

static

Initial value:

=
      kHandlerTableOffset + kPointerSize

Definition at line 4533 of file objects.h.

Referenced by Code::CodeIterateBody().

const int kExtraICStateGrowModeShift = 1

static

Definition at line 4412 of file objects.h.

const int kFlagsNotUsedInLookup

static

Initial value:

=
      TypeField::kMask | CacheHolderField::kMask

Definition at line 4649 of file objects.h.

const int kFlagsOffset = kICAgeOffset + kIntSize

static

Definition at line 4540 of file objects.h.

const int kFullCodeFlags = kOptimizableOffset + 1

static

Definition at line 4556 of file objects.h.

const int kGCMetadataOffset = kTypeFeedbackInfoOffset + kPointerSize

static

Definition at line 4537 of file objects.h.

const int kHandlerTableOffset = kRelocationInfoOffset + kPointerSize

static

Definition at line 4532 of file objects.h.

Referenced by Code::CodeIterateBody().

const int kHasFunctionCacheBitCount = 1

static

Definition at line 4596 of file objects.h.

const int kHasFunctionCacheFirstBit

static

Initial value:

=
      kStackSlotsFirstBit + kStackSlotsBitCount

Definition at line 4594 of file objects.h.

const int kHeaderPaddingStart = kKindSpecificFlags2Offset + kIntSize

static

Definition at line 4545 of file objects.h.

const int kHeaderSize

static

Initial value:

=
      (kHeaderPaddingStart + kCodeAlignmentMask) & ~kCodeAlignmentMask

Definition at line 4549 of file objects.h.

Referenced by Code::ExecutableSize(), Code::GetCodeFromTargetAddress(), Code::GetObjectFromEntryAddress(), and OptimizedFrame::Summarize().

const int kICAgeOffset

static

Initial value:

=
      kGCMetadataOffset + kPointerSize

Definition at line 4538 of file objects.h.

const int kInstructionSizeOffset = HeapObject::kHeaderSize

static

Definition at line 4530 of file objects.h.

const int kKindSpecificFlags1Offset = kFlagsOffset + kIntSize

static

Definition at line 4541 of file objects.h.

const int kKindSpecificFlags2Offset

static

Initial value:

=
      kKindSpecificFlags1Offset + kIntSize

Definition at line 4542 of file objects.h.

const int kMaxLoopNestingMarker = 6

static

Definition at line 4527 of file objects.h.

Referenced by RuntimeProfiler::OptimizeNow(), and v8::internal::RUNTIME_FUNCTION().

const ExtraICState kNoExtraICState = 0

static

Definition at line 4236 of file objects.h.

Referenced by KeyedCallIC::GenerateMiss(), CallIC::GenerateNormal(), and KeyedCallIC::LoadFunction().

const int kOptimizableOffset = kKindSpecificFlags1Offset

static

Definition at line 4553 of file objects.h.

const int kProfilerTicksOffset = kAllowOSRAtLoopNestingLevelOffset + 1

static

Definition at line 4563 of file objects.h.

const int kRelocationInfoOffset = kInstructionSizeOffset + kIntSize

static

Definition at line 4531 of file objects.h.

Referenced by Code::CodeIterateBody().

const int kSafepointTableOffsetBitCount = 26

static

Definition at line 4629 of file objects.h.

const int kSafepointTableOffsetFirstBit

static

Initial value:

=
      kStubMajorKeyFirstBit + kStubMajorKeyBits

Definition at line 4627 of file objects.h.

const int kStackSlotsBitCount = 24

static

Definition at line 4575 of file objects.h.

const int kStackSlotsFirstBit = 0

static

Definition at line 4574 of file objects.h.

const int kStubMajorKeyFirstBit = 0

static

Definition at line 4626 of file objects.h.

const int kToBooleanStateBitCount = 8

static

Definition at line 4593 of file objects.h.

const int kToBooleanStateFirstBit

static

Initial value:

=
      kStackSlotsFirstBit + kStackSlotsBitCount

Definition at line 4591 of file objects.h.

const int kTypeFeedbackInfoOffset

static

Initial value:

=
      kDeoptimizationDataOffset + kPointerSize

Definition at line 4535 of file objects.h.

Referenced by Code::CodeIterateBody().

const int kUnaryOpTypeBitCount = 3

static

Definition at line 4578 of file objects.h.

const int kUnaryOpTypeFirstBit

static

Initial value:

=
      kStackSlotsFirstBit + kStackSlotsBitCount

Definition at line 4576 of file objects.h.

---

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

• src/objects.h
• src/objects-inl.h
• src/objects-visiting-inl.h
• src/objects.cc