AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

Cleanup: Remove unnecessary ContextExtension wrapper

Browse Source 
Bug: v8:7066
Change-Id: Icfcb40b2048997c158fba5f3e250145bed4ca1e3
Reviewed-on: https://chromium-review.googlesource.com/1042386
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52981}
This commit is contained in:
Toon Verwaest 2018-05-04 10:45:02 +02:00 committed by Commit Bot
parent b9c81f51d4
commit 4c972d669a
16 changed files with 143 additions and 275 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/compiler/access-builder.cc
View File

@ -851,25 +851,6 @@ FieldAccess AccessBuilder::ForContextSlot(size_t index) {
return access;
}
// static
FieldAccess AccessBuilder::ForContextExtensionScopeInfo() {
FieldAccess access = {
kTaggedBase, ContextExtension::kScopeInfoOffset,
Handle<Name>(), MaybeHandle<Map>(),
Type::OtherInternal(), MachineType::AnyTagged(),
kFullWriteBarrier};
return access;
}
// static
FieldAccess AccessBuilder::ForContextExtensionExtension() {
FieldAccess access = {kTaggedBase, ContextExtension::kExtensionOffset,
Handle<Name>(), MaybeHandle<Map>(),
Type::Any(), MachineType::AnyTagged(),
kFullWriteBarrier};
return access;
}
// static
ElementAccess AccessBuilder::ForFixedArrayElement() {
ElementAccess access = {kTaggedBase, FixedArray::kHeaderSize, Type::Any(),

4
src/compiler/access-builder.h
View File

@ -273,10 +273,6 @@ class V8_EXPORT_PRIVATE AccessBuilder final
// Provides access to Context slots.
static FieldAccess ForContextSlot(size_t index);
// Provides access to ContextExtension fields.
static FieldAccess ForContextExtensionScopeInfo();
static FieldAccess ForContextExtensionExtension();
// Provides access to FixedArray elements.
static ElementAccess ForFixedArrayElement();
static ElementAccess ForFixedArrayElement(

25
src/compiler/js-create-lowering.cc
View File

@ -1330,19 +1330,12 @@ Reduction JSCreateLowering::ReduceJSCreateFunctionContext(Node* node) {
Reduction JSCreateLowering::ReduceJSCreateWithContext(Node* node) {
DCHECK_EQ(IrOpcode::kJSCreateWithContext, node->opcode());
Handle<ScopeInfo> scope_info = ScopeInfoOf(node->op());
Node* object = NodeProperties::GetValueInput(node, 0);
Node* extension = NodeProperties::GetValueInput(node, 0);
Node* effect = NodeProperties::GetEffectInput(node);
Node* control = NodeProperties::GetControlInput(node);
Node* context = NodeProperties::GetContextInput(node);
AllocationBuilder aa(jsgraph(), effect, control);
aa.Allocate(ContextExtension::kSize);
aa.Store(AccessBuilder::ForMap(), factory()->context_extension_map());
aa.Store(AccessBuilder::ForContextExtensionScopeInfo(), scope_info);
aa.Store(AccessBuilder::ForContextExtensionExtension(), object);
Node* extension = aa.Finish();
AllocationBuilder a(jsgraph(), extension, control);
AllocationBuilder a(jsgraph(), effect, control);
STATIC_ASSERT(Context::MIN_CONTEXT_SLOTS == 4); // Ensure fully covered.
a.AllocateContext(Context::MIN_CONTEXT_SLOTS, factory()->with_context_map());
a.Store(AccessBuilder::ForContextSlot(Context::SCOPE_INFO_INDEX), scope_info);
@ -1360,27 +1353,19 @@ Reduction JSCreateLowering::ReduceJSCreateCatchContext(Node* node) {
const CreateCatchContextParameters& parameters =
CreateCatchContextParametersOf(node->op());
Handle<ScopeInfo> scope_info = parameters.scope_info();
Handle<String> catch_name = parameters.catch_name();
Node* exception = NodeProperties::GetValueInput(node, 0);
Node* effect = NodeProperties::GetEffectInput(node);
Node* control = NodeProperties::GetControlInput(node);
Node* context = NodeProperties::GetContextInput(node);
AllocationBuilder aa(jsgraph(), effect, control);
aa.Allocate(ContextExtension::kSize);
aa.Store(AccessBuilder::ForMap(), factory()->context_extension_map());
aa.Store(AccessBuilder::ForContextExtensionScopeInfo(),
parameters.scope_info());
aa.Store(AccessBuilder::ForContextExtensionExtension(),
parameters.catch_name());
Node* extension = aa.Finish();
AllocationBuilder a(jsgraph(), extension, control);
AllocationBuilder a(jsgraph(), effect, control);
STATIC_ASSERT(Context::MIN_CONTEXT_SLOTS == 4); // Ensure fully covered.
a.AllocateContext(Context::MIN_CONTEXT_SLOTS + 1,
factory()->catch_context_map());
a.Store(AccessBuilder::ForContextSlot(Context::SCOPE_INFO_INDEX), scope_info);
a.Store(AccessBuilder::ForContextSlot(Context::PREVIOUS_INDEX), context);
a.Store(AccessBuilder::ForContextSlot(Context::EXTENSION_INDEX), extension);
a.Store(AccessBuilder::ForContextSlot(Context::EXTENSION_INDEX), catch_name);
a.Store(AccessBuilder::ForContextSlot(Context::NATIVE_CONTEXT_INDEX),
jsgraph()->HeapConstant(native_context()));
a.Store(AccessBuilder::ForContextSlot(Context::THROWN_OBJECT_INDEX),

1
src/compiler/types.cc
View File

@ -327,7 +327,6 @@ Type::bitset BitsetType::Lub(i::Map* map) {
case WASM_SHARED_MODULE_DATA_TYPE:
case LOAD_HANDLER_TYPE:
case STORE_HANDLER_TYPE:
case CONTEXT_EXTENSION_TYPE:
case ASYNC_GENERATOR_REQUEST_TYPE:
case CODE_DATA_CONTAINER_TYPE:
case CALLBACK_TASK_TYPE:

17
src/contexts.cc
View File

@ -93,10 +93,6 @@ JSObject* Context::extension_object() {
IsEvalContext());
HeapObject* object = extension();
if (object->IsTheHole(GetIsolate())) return nullptr;
if (IsBlockContext()) {
if (!object->IsContextExtension()) return nullptr;
object = JSObject::cast(ContextExtension::cast(object)->extension());
}
DCHECK(object->IsJSContextExtensionObject() ||
(IsNativeContext() && object->IsJSGlobalObject()));
return JSObject::cast(object);
@ -105,9 +101,7 @@ JSObject* Context::extension_object() {
JSReceiver* Context::extension_receiver() {
DCHECK(IsNativeContext() || IsWithContext() || IsEvalContext() ||
IsFunctionContext() || IsBlockContext());
return IsWithContext() ? JSReceiver::cast(
ContextExtension::cast(extension())->extension())
: extension_object();
return IsWithContext() ? JSReceiver::cast(extension()) : extension_object();
}
ScopeInfo* Context::scope_info() {
@ -124,7 +118,7 @@ Module* Context::module() {
String* Context::catch_name() {
DCHECK(IsCatchContext());
return String::cast(ContextExtension::cast(extension())->extension());
return String::cast(extension());
}
@ -378,10 +372,8 @@ Handle<Object> Context::Lookup(Handle<String> name, ContextLookupFlags flags,
} else if (context->IsDebugEvaluateContext()) {
// Check materialized locals.
Object* ext = context->get(EXTENSION_INDEX);
if (ext->IsContextExtension()) {
Object* obj = ContextExtension::cast(ext)->extension();
if (obj->IsJSReceiver()) {
Handle<JSReceiver> extension(JSReceiver::cast(obj));
if (ext->IsJSReceiver()) {
Handle<JSReceiver> extension(JSReceiver::cast(ext));
LookupIterator it(extension, name, extension);
Maybe<bool> found = JSReceiver::HasProperty(&it);
if (found.FromMaybe(false)) {
@ -389,7 +381,6 @@ Handle<Object> Context::Lookup(Handle<String> name, ContextLookupFlags flags,
return extension;
}
}
}
// Check the original context, but do not follow its context chain.
Object* obj = context->get(WRAPPED_CONTEXT_INDEX);
if (obj->IsContext()) {

11
src/contexts.h
View File

@ -382,18 +382,15 @@ class ScriptContextTable : public FixedArray {
//
// [ extension ] Additional data.
//
// For catch contexts, it contains a ContextExtension object
// consisting of the ScopeInfo and the name of the catch
// For catch contexts, it contains the name of the catch
// variable.
//
// For module contexts, it contains the module object.
//
// For block contexts, it may contain a ContextExtension
// object consisting of the ScopeInfo and an "extension
// object" (see below).
// For block contexts, it may contain an "extension object"
// (see below).
//
// For with contexts, it contains a ContextExtension object
// consisting of the ScopeInfo and an "extension object".
// For with contexts, it contains an "extension object".
//
// An "extension object" is used to dynamically extend a
// context with additional variables, namely in the

9
src/deoptimizer.cc
View File

@ -3419,7 +3419,6 @@ void TranslatedState::InitializeCapturedObjectAt(
case BOILERPLATE_DESCRIPTION_TYPE:
case HASH_TABLE_TYPE:
case PROPERTY_ARRAY_TYPE:
case CONTEXT_EXTENSION_TYPE:
InitializeObjectWithTaggedFieldsAt(frame, &value_index, slot, map,
no_allocation);
break;
@ -3586,14 +3585,6 @@ void TranslatedState::EnsureCapturedObjectAllocatedAt(
&value_index, worklist);
}
case CONTEXT_EXTENSION_TYPE: {
CHECK_EQ(map->instance_size(), slot->GetChildrenCount() * kPointerSize);
slot->set_storage(AllocateStorageFor(slot));
// Make sure all the remaining children (after the map) are allocated.
return EnsureChildrenAllocated(slot->GetChildrenCount() - 1, frame,
&value_index, worklist);
}
default:
CHECK(map->IsJSObjectMap());
EnsureJSObjectAllocated(slot, map);

24
src/heap/factory.cc
View File

@ -155,15 +155,6 @@ Handle<Tuple3> Factory::NewTuple3(Handle<Object> value1, Handle<Object> value2,
return result;
}
Handle<ContextExtension> Factory::NewContextExtension(
Handle<ScopeInfo> scope_info, Handle<Object> extension) {
Handle<ContextExtension> result = Handle<ContextExtension>::cast(
NewStruct(CONTEXT_EXTENSION_TYPE, TENURED));
result->set_scope_info(*scope_info);
result->set_extension(*extension);
return result;
}
Handle<ConstantElementsPair> Factory::NewConstantElementsPair(
ElementsKind elements_kind, Handle<FixedArrayBase> constant_values) {
Handle<ConstantElementsPair> result =
@ -1343,12 +1334,11 @@ Handle<Context> Factory::NewCatchContext(Handle<Context> previous,
Handle<String> name,
Handle<Object> thrown_object) {
STATIC_ASSERT(Context::MIN_CONTEXT_SLOTS == Context::THROWN_OBJECT_INDEX);
Handle<ContextExtension> extension = NewContextExtension(scope_info, name);
Handle<Context> context = NewFixedArrayWithMap<Context>(
Heap::kCatchContextMapRootIndex, Context::MIN_CONTEXT_SLOTS + 1);
context->set_scope_info(*scope_info);
context->set_previous(*previous);
context->set_extension(*extension);
context->set_extension(*name);
context->set_native_context(previous->native_context());
context->set(Context::THROWN_OBJECT_INDEX, *thrown_object);
return context;
@ -1361,15 +1351,15 @@ Handle<Context> Factory::NewDebugEvaluateContext(Handle<Context> previous,
Handle<StringSet> whitelist) {
STATIC_ASSERT(Context::WHITE_LIST_INDEX == Context::MIN_CONTEXT_SLOTS + 1);
DCHECK(scope_info->IsDebugEvaluateScope());
Handle<ContextExtension> context_extension = NewContextExtension(
scope_info, extension.is_null() ? Handle<Object>::cast(undefined_value())
: Handle<Object>::cast(extension));
Handle<HeapObject> ext = extension.is_null()
? Handle<HeapObject>::cast(the_hole_value())
: Handle<HeapObject>::cast(extension);
Handle<Context> c = NewFixedArrayWithMap<Context>(
Heap::kDebugEvaluateContextMapRootIndex, Context::MIN_CONTEXT_SLOTS + 2);
c->set_scope_info(*scope_info);
c->set_previous(*previous);
c->set_native_context(previous->native_context());
c->set_extension(*context_extension);
c->set_extension(*ext);
if (!wrapped.is_null()) c->set(Context::WRAPPED_CONTEXT_INDEX, *wrapped);
if (!whitelist.is_null()) c->set(Context::WHITE_LIST_INDEX, *whitelist);
return c;
@ -1378,13 +1368,11 @@ Handle<Context> Factory::NewDebugEvaluateContext(Handle<Context> previous,
Handle<Context> Factory::NewWithContext(Handle<Context> previous,
Handle<ScopeInfo> scope_info,
Handle<JSReceiver> extension) {
Handle<ContextExtension> context_extension =
NewContextExtension(scope_info, extension);
Handle<Context> context = NewFixedArrayWithMap<Context>(
Heap::kWithContextMapRootIndex, Context::MIN_CONTEXT_SLOTS);
context->set_scope_info(*scope_info);
context->set_previous(*previous);
context->set_extension(*context_extension);
context->set_extension(*extension);
context->set_native_context(previous->native_context());
return context;
}

4
src/heap/factory.h
View File

@ -186,10 +186,6 @@ class V8_EXPORT_PRIVATE Factory {
Handle<Tuple3> NewTuple3(Handle<Object> value1, Handle<Object> value2,
Handle<Object> value3, PretenureFlag pretenure);
// Create a new ContextExtension struct.
Handle<ContextExtension> NewContextExtension(Handle<ScopeInfo> scope_info,
Handle<Object> extension);
// Create a new ConstantElementsPair struct.
Handle<ConstantElementsPair> NewConstantElementsPair(
ElementsKind elements_kind, Handle<FixedArrayBase> constant_values);

3
src/heap/incremental-marking.cc
View File

@ -716,8 +716,7 @@ int IncrementalMarking::VisitObject(Map* map, HeapObject* obj) {
// unsafe layout change.
// 4. The object is materizalized by the deoptimizer.
DCHECK(obj->IsHashTable() || obj->IsPropertyArray() ||
obj->IsContextExtension() || obj->IsFixedArray() ||
obj->IsJSObject() || obj->IsString());
obj->IsFixedArray() || obj->IsJSObject() || obj->IsString());
}
DCHECK(marking_state()->IsBlack(obj));
WhiteToGreyAndPush(map);

6
src/objects-debug.cc
View File

@ -1611,12 +1611,6 @@ void StoreHandler::StoreHandlerVerify() {
// TODO(ishell): check handler integrity
}
void ContextExtension::ContextExtensionVerify() {
CHECK(IsContextExtension());
VerifyObjectField(kScopeInfoOffset);
VerifyObjectField(kExtensionOffset);
}
void AccessorInfo::AccessorInfoVerify() {
CHECK(IsAccessorInfo());
VerifyPointer(name());

4
src/objects-inl.h
View File

@ -571,7 +571,6 @@ CAST_ACCESSOR(BigInt)
CAST_ACCESSOR(BoilerplateDescription)
CAST_ACCESSOR(Cell)
CAST_ACCESSOR(ConstantElementsPair)
CAST_ACCESSOR(ContextExtension)
CAST_ACCESSOR(DescriptorArray)
CAST_ACCESSOR(EnumCache)
CAST_ACCESSOR(FeedbackCell)
@ -2324,9 +2323,6 @@ ACCESSORS(Tuple2, value1, Object, kValue1Offset)
ACCESSORS(Tuple2, value2, Object, kValue2Offset)
ACCESSORS(Tuple3, value3, Object, kValue3Offset)
ACCESSORS(ContextExtension, scope_info, ScopeInfo, kScopeInfoOffset)
ACCESSORS(ContextExtension, extension, Object, kExtensionOffset)
SMI_ACCESSORS(ConstantElementsPair, elements_kind, kElementsKindOffset)
ACCESSORS(ConstantElementsPair, constant_values, FixedArrayBase,
kConstantValuesOffset)

7
src/objects-printer.cc
View File

@ -1645,13 +1645,6 @@ void StoreHandler::StoreHandlerPrint(std::ostream& os) { // NOLINT
os << "\n";
}
void ContextExtension::ContextExtensionPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "ContextExtension");
os << "\n - scope_info: " << Brief(scope_info());
os << "\n - extension: " << Brief(extension());
os << "\n";
}
void AccessorPair::AccessorPairPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "AccessorPair");
os << "\n - getter: " << Brief(getter());

29
src/objects.h
View File

@ -382,7 +382,6 @@ const int kStubMinorKeyBits = kSmiValueSize - kStubMajorKeyBits - 1;
V(ALLOCATION_MEMENTO_TYPE) \
V(ALLOCATION_SITE_TYPE) \
V(ASYNC_GENERATOR_REQUEST_TYPE) \
V(CONTEXT_EXTENSION_TYPE) \
V(DEBUG_INFO_TYPE) \
V(FUNCTION_TEMPLATE_INFO_TYPE) \
V(INTERCEPTOR_INFO_TYPE) \
@ -557,7 +556,6 @@ const int kStubMinorKeyBits = kSmiValueSize - kStubMajorKeyBits - 1;
V(ALLOCATION_MEMENTO, AllocationMemento, allocation_memento) \
V(ALLOCATION_SITE, AllocationSite, allocation_site) \
V(ASYNC_GENERATOR_REQUEST, AsyncGeneratorRequest, async_generator_request) \
V(CONTEXT_EXTENSION, ContextExtension, context_extension) \
V(DEBUG_INFO, DebugInfo, debug_info) \
V(FUNCTION_TEMPLATE_INFO, FunctionTemplateInfo, function_template_info) \
V(INTERCEPTOR_INFO, InterceptorInfo, interceptor_info) \
@ -752,7 +750,6 @@ enum InstanceType : uint16_t {
ALLOCATION_MEMENTO_TYPE,
ALLOCATION_SITE_TYPE,
ASYNC_GENERATOR_REQUEST_TYPE,
CONTEXT_EXTENSION_TYPE,
DEBUG_INFO_TYPE,
FUNCTION_TEMPLATE_INFO_TYPE,
INTERCEPTOR_INFO_TYPE,
@ -2988,32 +2985,6 @@ class PrototypeInfo : public Struct {
DISALLOW_IMPLICIT_CONSTRUCTORS(PrototypeInfo);
};
// Pair used to store both a ScopeInfo and an extension object in the extension
// slot of a block, catch, or with context. Needed in the rare case where a
// declaration block scope (a "varblock" as used to desugar parameter
// destructuring) also contains a sloppy direct eval, or for with and catch
// scopes. (In no other case both are needed at the same time.)
class ContextExtension : public Struct {
public:
// [scope_info]: Scope info.
DECL_ACCESSORS(scope_info, ScopeInfo)
// [extension]: Extension object.
DECL_ACCESSORS(extension, Object)
DECL_CAST(ContextExtension)
// Dispatched behavior.
DECL_PRINTER(ContextExtension)
DECL_VERIFIER(ContextExtension)
static const int kScopeInfoOffset = HeapObject::kHeaderSize;
static const int kExtensionOffset = kScopeInfoOffset + kPointerSize;
static const int kSize = kExtensionOffset + kPointerSize;
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(ContextExtension);
};
// List of builtin functions we want to identify to improve code
// generation.
//

7
src/runtime/runtime-scopes.cc
View File

@ -297,15 +297,8 @@ Object* DeclareEvalHelper(Isolate* isolate, Handle<String> name,
object =
isolate->factory()->NewJSObject(isolate->context_extension_function());
if (context->IsBlockContext()) {
Handle<ContextExtension> extension =
isolate->factory()->NewContextExtension(handle(context->scope_info()),
object);
context->set_extension(*extension);
} else {
context->set_extension(*object);
}
}
RETURN_FAILURE_ON_EXCEPTION(isolate, JSObject::SetOwnPropertyIgnoreAttributes(
object, name, value, NONE));

236
tools/v8heapconst.py
View File

@ -61,59 +61,58 @@ INSTANCE_TYPES = {
157: "ALLOCATION_MEMENTO_TYPE",
158: "ALLOCATION_SITE_TYPE",
159: "ASYNC_GENERATOR_REQUEST_TYPE",
160: "CONTEXT_EXTENSION_TYPE",
161: "DEBUG_INFO_TYPE",
162: "FUNCTION_TEMPLATE_INFO_TYPE",
163: "INTERCEPTOR_INFO_TYPE",
164: "INTERPRETER_DATA_TYPE",
165: "MODULE_INFO_ENTRY_TYPE",
166: "MODULE_TYPE",
167: "OBJECT_TEMPLATE_INFO_TYPE",
168: "PROMISE_CAPABILITY_TYPE",
169: "PROMISE_REACTION_TYPE",
170: "PROTOTYPE_INFO_TYPE",
171: "SCRIPT_TYPE",
172: "STACK_FRAME_INFO_TYPE",
173: "TUPLE2_TYPE",
174: "TUPLE3_TYPE",
175: "WASM_COMPILED_MODULE_TYPE",
176: "WASM_DEBUG_INFO_TYPE",
177: "WASM_SHARED_MODULE_DATA_TYPE",
178: "CALLABLE_TASK_TYPE",
179: "CALLBACK_TASK_TYPE",
180: "PROMISE_FULFILL_REACTION_JOB_TASK_TYPE",
181: "PROMISE_REJECT_REACTION_JOB_TASK_TYPE",
182: "PROMISE_RESOLVE_THENABLE_JOB_TASK_TYPE",
183: "FIXED_ARRAY_TYPE",
184: "BOILERPLATE_DESCRIPTION_TYPE",
185: "DESCRIPTOR_ARRAY_TYPE",
186: "HASH_TABLE_TYPE",
187: "SCOPE_INFO_TYPE",
188: "BLOCK_CONTEXT_TYPE",
189: "CATCH_CONTEXT_TYPE",
190: "DEBUG_EVALUATE_CONTEXT_TYPE",
191: "EVAL_CONTEXT_TYPE",
192: "FUNCTION_CONTEXT_TYPE",
193: "MODULE_CONTEXT_TYPE",
194: "NATIVE_CONTEXT_TYPE",
195: "SCRIPT_CONTEXT_TYPE",
196: "WITH_CONTEXT_TYPE",
197: "WEAK_FIXED_ARRAY_TYPE",
198: "TRANSITION_ARRAY_TYPE",
199: "CALL_HANDLER_INFO_TYPE",
200: "CELL_TYPE",
201: "CODE_DATA_CONTAINER_TYPE",
202: "FEEDBACK_CELL_TYPE",
203: "FEEDBACK_VECTOR_TYPE",
204: "LOAD_HANDLER_TYPE",
205: "PROPERTY_ARRAY_TYPE",
206: "PROPERTY_CELL_TYPE",
207: "SHARED_FUNCTION_INFO_TYPE",
208: "SMALL_ORDERED_HASH_MAP_TYPE",
209: "SMALL_ORDERED_HASH_SET_TYPE",
210: "STORE_HANDLER_TYPE",
211: "WEAK_CELL_TYPE",
212: "WEAK_ARRAY_LIST_TYPE",
160: "DEBUG_INFO_TYPE",
161: "FUNCTION_TEMPLATE_INFO_TYPE",
162: "INTERCEPTOR_INFO_TYPE",
163: "INTERPRETER_DATA_TYPE",
164: "MODULE_INFO_ENTRY_TYPE",
165: "MODULE_TYPE",
166: "OBJECT_TEMPLATE_INFO_TYPE",
167: "PROMISE_CAPABILITY_TYPE",
168: "PROMISE_REACTION_TYPE",
169: "PROTOTYPE_INFO_TYPE",
170: "SCRIPT_TYPE",
171: "STACK_FRAME_INFO_TYPE",
172: "TUPLE2_TYPE",
173: "TUPLE3_TYPE",
174: "WASM_COMPILED_MODULE_TYPE",
175: "WASM_DEBUG_INFO_TYPE",
176: "WASM_SHARED_MODULE_DATA_TYPE",
177: "CALLABLE_TASK_TYPE",
178: "CALLBACK_TASK_TYPE",
179: "PROMISE_FULFILL_REACTION_JOB_TASK_TYPE",
180: "PROMISE_REJECT_REACTION_JOB_TASK_TYPE",
181: "PROMISE_RESOLVE_THENABLE_JOB_TASK_TYPE",
182: "FIXED_ARRAY_TYPE",
183: "BOILERPLATE_DESCRIPTION_TYPE",
184: "DESCRIPTOR_ARRAY_TYPE",
185: "HASH_TABLE_TYPE",
186: "SCOPE_INFO_TYPE",
187: "BLOCK_CONTEXT_TYPE",
188: "CATCH_CONTEXT_TYPE",
189: "DEBUG_EVALUATE_CONTEXT_TYPE",
190: "EVAL_CONTEXT_TYPE",
191: "FUNCTION_CONTEXT_TYPE",
192: "MODULE_CONTEXT_TYPE",
193: "NATIVE_CONTEXT_TYPE",
194: "SCRIPT_CONTEXT_TYPE",
195: "WITH_CONTEXT_TYPE",
196: "WEAK_FIXED_ARRAY_TYPE",
197: "TRANSITION_ARRAY_TYPE",
198: "CALL_HANDLER_INFO_TYPE",
199: "CELL_TYPE",
200: "CODE_DATA_CONTAINER_TYPE",
201: "FEEDBACK_CELL_TYPE",
202: "FEEDBACK_VECTOR_TYPE",
203: "LOAD_HANDLER_TYPE",
204: "PROPERTY_ARRAY_TYPE",
205: "PROPERTY_CELL_TYPE",
206: "SHARED_FUNCTION_INFO_TYPE",
207: "SMALL_ORDERED_HASH_MAP_TYPE",
208: "SMALL_ORDERED_HASH_SET_TYPE",
209: "STORE_HANDLER_TYPE",
210: "WEAK_CELL_TYPE",
211: "WEAK_ARRAY_LIST_TYPE",
1024: "JS_PROXY_TYPE",
1025: "JS_GLOBAL_OBJECT_TYPE",
1026: "JS_GLOBAL_PROXY_TYPE",
@ -162,9 +161,9 @@ KNOWN_MAPS = {
("RO_SPACE", 0x02201): (138, "FreeSpaceMap"),
("RO_SPACE", 0x02259): (132, "MetaMap"),
("RO_SPACE", 0x022e1): (131, "NullMap"),
("RO_SPACE", 0x02359): (185, "DescriptorArrayMap"),
("RO_SPACE", 0x023c1): (183, "FixedArrayMap"),
("RO_SPACE", 0x02429): (211, "WeakCellMap"),
("RO_SPACE", 0x02359): (184, "DescriptorArrayMap"),
("RO_SPACE", 0x023c1): (182, "FixedArrayMap"),
("RO_SPACE", 0x02429): (210, "WeakCellMap"),
("RO_SPACE", 0x024d1): (152, "OnePointerFillerMap"),
("RO_SPACE", 0x02539): (152, "TwoPointerFillerMap"),
("RO_SPACE", 0x025a1): (131, "UninitializedMap"),
@ -174,60 +173,60 @@ KNOWN_MAPS = {
("RO_SPACE", 0x02801): (131, "TheHoleMap"),
("RO_SPACE", 0x028c9): (131, "BooleanMap"),
("RO_SPACE", 0x029d9): (136, "ByteArrayMap"),
("RO_SPACE", 0x02a41): (183, "FixedCOWArrayMap"),
("RO_SPACE", 0x02aa9): (186, "HashTableMap"),
("RO_SPACE", 0x02a41): (182, "FixedCOWArrayMap"),
("RO_SPACE", 0x02aa9): (185, "HashTableMap"),
("RO_SPACE", 0x02b11): (128, "SymbolMap"),
("RO_SPACE", 0x02b79): (72, "OneByteStringMap"),
("RO_SPACE", 0x02be1): (187, "ScopeInfoMap"),
("RO_SPACE", 0x02c49): (207, "SharedFunctionInfoMap"),
("RO_SPACE", 0x02be1): (186, "ScopeInfoMap"),
("RO_SPACE", 0x02c49): (206, "SharedFunctionInfoMap"),
("RO_SPACE", 0x02cb1): (133, "CodeMap"),
("RO_SPACE", 0x02d19): (192, "FunctionContextMap"),
("RO_SPACE", 0x02d81): (200, "CellMap"),
("RO_SPACE", 0x02de9): (206, "GlobalPropertyCellMap"),
("RO_SPACE", 0x02d19): (191, "FunctionContextMap"),
("RO_SPACE", 0x02d81): (199, "CellMap"),
("RO_SPACE", 0x02de9): (205, "GlobalPropertyCellMap"),
("RO_SPACE", 0x02e51): (135, "ForeignMap"),
("RO_SPACE", 0x02eb9): (198, "TransitionArrayMap"),
("RO_SPACE", 0x02f21): (203, "FeedbackVectorMap"),
("RO_SPACE", 0x02eb9): (197, "TransitionArrayMap"),
("RO_SPACE", 0x02f21): (202, "FeedbackVectorMap"),
("RO_SPACE", 0x02f89): (131, "ArgumentsMarkerMap"),
("RO_SPACE", 0x03019): (131, "ExceptionMap"),
("RO_SPACE", 0x030a9): (131, "TerminationExceptionMap"),
("RO_SPACE", 0x03141): (131, "OptimizedOutMap"),
("RO_SPACE", 0x031d1): (131, "StaleRegisterMap"),
("RO_SPACE", 0x03261): (194, "NativeContextMap"),
("RO_SPACE", 0x032c9): (193, "ModuleContextMap"),
("RO_SPACE", 0x03331): (191, "EvalContextMap"),
("RO_SPACE", 0x03399): (195, "ScriptContextMap"),
("RO_SPACE", 0x03401): (188, "BlockContextMap"),
("RO_SPACE", 0x03469): (189, "CatchContextMap"),
("RO_SPACE", 0x034d1): (196, "WithContextMap"),
("RO_SPACE", 0x03539): (190, "DebugEvaluateContextMap"),
("RO_SPACE", 0x035a1): (183, "ScriptContextTableMap"),
("RO_SPACE", 0x03261): (193, "NativeContextMap"),
("RO_SPACE", 0x032c9): (192, "ModuleContextMap"),
("RO_SPACE", 0x03331): (190, "EvalContextMap"),
("RO_SPACE", 0x03399): (194, "ScriptContextMap"),
("RO_SPACE", 0x03401): (187, "BlockContextMap"),
("RO_SPACE", 0x03469): (188, "CatchContextMap"),
("RO_SPACE", 0x034d1): (195, "WithContextMap"),
("RO_SPACE", 0x03539): (189, "DebugEvaluateContextMap"),
("RO_SPACE", 0x035a1): (182, "ScriptContextTableMap"),
("RO_SPACE", 0x03609): (151, "FeedbackMetadataArrayMap"),
("RO_SPACE", 0x03671): (183, "ArrayListMap"),
("RO_SPACE", 0x03671): (182, "ArrayListMap"),
("RO_SPACE", 0x036d9): (130, "BigIntMap"),
("RO_SPACE", 0x03741): (184, "BoilerplateDescriptionMap"),
("RO_SPACE", 0x03741): (183, "BoilerplateDescriptionMap"),
("RO_SPACE", 0x037a9): (137, "BytecodeArrayMap"),
("RO_SPACE", 0x03811): (201, "CodeDataContainerMap"),
("RO_SPACE", 0x03811): (200, "CodeDataContainerMap"),
("RO_SPACE", 0x03879): (150, "FixedDoubleArrayMap"),
("RO_SPACE", 0x038e1): (186, "GlobalDictionaryMap"),
("RO_SPACE", 0x03949): (202, "ManyClosuresCellMap"),
("RO_SPACE", 0x039b1): (183, "ModuleInfoMap"),
("RO_SPACE", 0x038e1): (185, "GlobalDictionaryMap"),
("RO_SPACE", 0x03949): (201, "ManyClosuresCellMap"),
("RO_SPACE", 0x039b1): (182, "ModuleInfoMap"),
("RO_SPACE", 0x03a19): (134, "MutableHeapNumberMap"),
("RO_SPACE", 0x03a81): (186, "NameDictionaryMap"),
("RO_SPACE", 0x03ae9): (202, "NoClosuresCellMap"),
("RO_SPACE", 0x03b51): (186, "NumberDictionaryMap"),
("RO_SPACE", 0x03bb9): (202, "OneClosureCellMap"),
("RO_SPACE", 0x03c21): (186, "OrderedHashMapMap"),
("RO_SPACE", 0x03c89): (186, "OrderedHashSetMap"),
("RO_SPACE", 0x03cf1): (205, "PropertyArrayMap"),
("RO_SPACE", 0x03d59): (199, "SideEffectCallHandlerInfoMap"),
("RO_SPACE", 0x03dc1): (199, "SideEffectFreeCallHandlerInfoMap"),
("RO_SPACE", 0x03e29): (186, "SimpleNumberDictionaryMap"),
("RO_SPACE", 0x03e91): (183, "SloppyArgumentsElementsMap"),
("RO_SPACE", 0x03ef9): (208, "SmallOrderedHashMapMap"),
("RO_SPACE", 0x03f61): (209, "SmallOrderedHashSetMap"),
("RO_SPACE", 0x03fc9): (186, "StringTableMap"),
("RO_SPACE", 0x04031): (197, "WeakFixedArrayMap"),
("RO_SPACE", 0x04099): (212, "WeakArrayListMap"),
("RO_SPACE", 0x03a81): (185, "NameDictionaryMap"),
("RO_SPACE", 0x03ae9): (201, "NoClosuresCellMap"),
("RO_SPACE", 0x03b51): (185, "NumberDictionaryMap"),
("RO_SPACE", 0x03bb9): (201, "OneClosureCellMap"),
("RO_SPACE", 0x03c21): (185, "OrderedHashMapMap"),
("RO_SPACE", 0x03c89): (185, "OrderedHashSetMap"),
("RO_SPACE", 0x03cf1): (204, "PropertyArrayMap"),
("RO_SPACE", 0x03d59): (198, "SideEffectCallHandlerInfoMap"),
("RO_SPACE", 0x03dc1): (198, "SideEffectFreeCallHandlerInfoMap"),
("RO_SPACE", 0x03e29): (185, "SimpleNumberDictionaryMap"),
("RO_SPACE", 0x03e91): (182, "SloppyArgumentsElementsMap"),
("RO_SPACE", 0x03ef9): (207, "SmallOrderedHashMapMap"),
("RO_SPACE", 0x03f61): (208, "SmallOrderedHashSetMap"),
("RO_SPACE", 0x03fc9): (185, "StringTableMap"),
("RO_SPACE", 0x04031): (196, "WeakFixedArrayMap"),
("RO_SPACE", 0x04099): (211, "WeakArrayListMap"),
("RO_SPACE", 0x04101): (106, "NativeSourceStringMap"),
("RO_SPACE", 0x04169): (64, "StringMap"),
("RO_SPACE", 0x041d1): (73, "ConsOneByteStringMap"),
@ -261,9 +260,9 @@ KNOWN_MAPS = {
("RO_SPACE", 0x04d31): (149, "FixedBigUint64ArrayMap"),
("RO_SPACE", 0x04d99): (148, "FixedBigInt64ArrayMap"),
("RO_SPACE", 0x04e01): (131, "SelfReferenceMarkerMap"),
("RO_SPACE", 0x04e81): (173, "Tuple2Map"),
("RO_SPACE", 0x04ef9): (171, "ScriptMap"),
("RO_SPACE", 0x04f61): (163, "InterceptorInfoMap"),
("RO_SPACE", 0x04e81): (172, "Tuple2Map"),
("RO_SPACE", 0x04ef9): (170, "ScriptMap"),
("RO_SPACE", 0x04f61): (162, "InterceptorInfoMap"),
("RO_SPACE", 0x08e59): (154, "AccessorInfoMap"),
("RO_SPACE", 0x09069): (153, "AccessCheckInfoMap"),
("RO_SPACE", 0x090d1): (155, "AccessorPairMap"),
@ -271,26 +270,25 @@ KNOWN_MAPS = {
("RO_SPACE", 0x091a1): (157, "AllocationMementoMap"),
("RO_SPACE", 0x09209): (158, "AllocationSiteMap"),
("RO_SPACE", 0x09271): (159, "AsyncGeneratorRequestMap"),
("RO_SPACE", 0x092d9): (160, "ContextExtensionMap"),
("RO_SPACE", 0x09341): (161, "DebugInfoMap"),
("RO_SPACE", 0x093a9): (162, "FunctionTemplateInfoMap"),
("RO_SPACE", 0x09411): (164, "InterpreterDataMap"),
("RO_SPACE", 0x09479): (165, "ModuleInfoEntryMap"),
("RO_SPACE", 0x094e1): (166, "ModuleMap"),
("RO_SPACE", 0x09549): (167, "ObjectTemplateInfoMap"),
("RO_SPACE", 0x095b1): (168, "PromiseCapabilityMap"),
("RO_SPACE", 0x09619): (169, "PromiseReactionMap"),
("RO_SPACE", 0x09681): (170, "PrototypeInfoMap"),
("RO_SPACE", 0x096e9): (172, "StackFrameInfoMap"),
("RO_SPACE", 0x09751): (174, "Tuple3Map"),
("RO_SPACE", 0x097b9): (175, "WasmCompiledModuleMap"),
("RO_SPACE", 0x09821): (176, "WasmDebugInfoMap"),
("RO_SPACE", 0x09889): (177, "WasmSharedModuleDataMap"),
("RO_SPACE", 0x098f1): (178, "CallableTaskMap"),
("RO_SPACE", 0x09959): (179, "CallbackTaskMap"),
("RO_SPACE", 0x099c1): (180, "PromiseFulfillReactionJobTaskMap"),
("RO_SPACE", 0x09a29): (181, "PromiseRejectReactionJobTaskMap"),
("RO_SPACE", 0x09a91): (182, "PromiseResolveThenableJobTaskMap"),
("RO_SPACE", 0x092d9): (160, "DebugInfoMap"),
("RO_SPACE", 0x09341): (161, "FunctionTemplateInfoMap"),
("RO_SPACE", 0x093a9): (163, "InterpreterDataMap"),
("RO_SPACE", 0x09411): (164, "ModuleInfoEntryMap"),
("RO_SPACE", 0x09479): (165, "ModuleMap"),
("RO_SPACE", 0x094e1): (166, "ObjectTemplateInfoMap"),
("RO_SPACE", 0x09549): (167, "PromiseCapabilityMap"),
("RO_SPACE", 0x095b1): (168, "PromiseReactionMap"),
("RO_SPACE", 0x09619): (169, "PrototypeInfoMap"),
("RO_SPACE", 0x09681): (171, "StackFrameInfoMap"),
("RO_SPACE", 0x096e9): (173, "Tuple3Map"),
("RO_SPACE", 0x09751): (174, "WasmCompiledModuleMap"),
("RO_SPACE", 0x097b9): (175, "WasmDebugInfoMap"),
("RO_SPACE", 0x09821): (176, "WasmSharedModuleDataMap"),
("RO_SPACE", 0x09889): (177, "CallableTaskMap"),
("RO_SPACE", 0x098f1): (178, "CallbackTaskMap"),
("RO_SPACE", 0x09959): (179, "PromiseFulfillReactionJobTaskMap"),
("RO_SPACE", 0x099c1): (180, "PromiseRejectReactionJobTaskMap"),
("RO_SPACE", 0x09a29): (181, "PromiseResolveThenableJobTaskMap"),
("MAP_SPACE", 0x02201): (1057, "ExternalMap"),
("MAP_SPACE", 0x02259): (1072, "JSMessageObjectMap"),
}