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

[runtime] Add BOILERPLATE_DESCRIPTION_TYPE InstanceType

Browse Source 
Bug: v8:7266
Change-Id: I2835ec79aaa2821aca288685a3f230a7f8029186
Reviewed-on: https://chromium-review.googlesource.com/941948
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51696}
This commit is contained in:
Camillo Bruni 2018-03-02 13:50:56 +01:00 committed by Commit Bot
parent bb862bbc50
commit 1f307ba52f
29 changed files with 281 additions and 216 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/compiler/types.cc
View File

@ -271,6 +271,7 @@ Type::bitset BitsetType::Lub(i::Map* map) {
case FIXED_DOUBLE_ARRAY_TYPE:
case BYTE_ARRAY_TYPE:
case BYTECODE_ARRAY_TYPE:
case BOILERPLATE_DESCRIPTION_TYPE:
case DESCRIPTOR_ARRAY_TYPE:
case TRANSITION_ARRAY_TYPE:
case FEEDBACK_CELL_TYPE:

1
src/deoptimizer.cc
View File

@ -3375,6 +3375,7 @@ void TranslatedState::InitializeCapturedObjectAt(
return;
case FIXED_ARRAY_TYPE:
case BOILERPLATE_DESCRIPTION_TYPE:
case HASH_TABLE_TYPE:
case PROPERTY_ARRAY_TYPE:
case CONTEXT_EXTENSION_TYPE:

13
src/factory.cc
View File

@ -266,13 +266,22 @@ Handle<BoilerplateDescription> Factory::NewBoilerplateDescription(
size++;
}
if (size == 0) {
return isolate()->factory()->empty_boilerplate_description();
}
/* Handle<FixedArray> array = NewFixedArray(size, TENURED); */
/* array->set_map_no_write_barrier(*boilerplate_description_map()); */
Handle<BoilerplateDescription> description =
Handle<BoilerplateDescription>::cast(NewFixedArray(size, TENURED));
Handle<BoilerplateDescription>::cast(NewFixedArrayWithMap(
Heap::kBoilerplateDescriptionMapRootIndex, size, TENURED));
if (has_different_size_backing_store) {
DCHECK((boilerplate != (all_properties - index_keys)) || has_seen_proto);
DCHECK_IMPLIES((boilerplate == (all_properties - index_keys)),
has_seen_proto);
description->set_backing_store_size(isolate(), backing_store_size);
}
return description;
}

1
src/heap/heap-inl.h
View File

@ -23,6 +23,7 @@
#include "src/log.h"
#include "src/msan.h"
#include "src/objects-inl.h"
#include "src/objects/literal-objects.h"
#include "src/objects/scope-info.h"
#include "src/objects/script-inl.h"
#include "src/profiler/heap-profiler.h"

14
src/heap/heap.cc
View File

@ -3740,6 +3740,20 @@ AllocationResult Heap::AllocateEmptyScopeInfo() {
return result;
}
AllocationResult Heap::AllocateEmptyBoilerplateDescription() {
int size = FixedArray::SizeFor(0);
HeapObject* result = nullptr;
{
AllocationResult allocation = AllocateRaw(size, OLD_SPACE);
if (!allocation.To(&result)) return allocation;
}
// Initialize the object.
result->set_map_after_allocation(boilerplate_description_map(),
SKIP_WRITE_BARRIER);
FixedArray::cast(result)->set_length(0);
return result;
}
AllocationResult Heap::CopyAndTenureFixedCOWArray(FixedArray* src) {
if (!InNewSpace(src)) {
return src;

44
src/heap/heap.h
View File

@ -38,6 +38,7 @@ class HeapTester;
class TestMemoryAllocatorScope;
} // namespace heap
class BoilerplateDescription;
class BytecodeArray;
class CodeDataContainer;
class DeoptimizationData;
@ -87,7 +88,7 @@ using v8::MemoryPressureLevel;
/* Entries beyond the first 32 */ \
/* The roots above this line should be boring from a GC point of view. */ \
/* This means they are never in new space and never on a page that is */ \
/* being compacted. */ \
/* being compacted.*/ \
/* Oddballs */ \
V(Oddball, arguments_marker, ArgumentsMarker) \
V(Oddball, exception, Exception) \
@ -105,31 +106,32 @@ using v8::MemoryPressureLevel;
V(Map, debug_evaluate_context_map, DebugEvaluateContextMap) \
V(Map, script_context_table_map, ScriptContextTableMap) \
/* Maps */ \
V(Map, descriptor_array_map, DescriptorArrayMap) \
V(Map, array_list_map, ArrayListMap) \
V(Map, bigint_map, BigIntMap) \
V(Map, boilerplate_description_map, BoilerplateDescriptionMap) \
V(Map, bytecode_array_map, BytecodeArrayMap) \
V(Map, code_data_container_map, CodeDataContainerMap) \
V(Map, descriptor_array_map, DescriptorArrayMap) \
V(Map, external_map, ExternalMap) \
V(Map, fixed_double_array_map, FixedDoubleArrayMap) \
V(Map, global_dictionary_map, GlobalDictionaryMap) \
V(Map, many_closures_cell_map, ManyClosuresCellMap) \
V(Map, message_object_map, JSMessageObjectMap) \
V(Map, module_info_map, ModuleInfoMap) \
V(Map, mutable_heap_number_map, MutableHeapNumberMap) \
V(Map, name_dictionary_map, NameDictionaryMap) \
V(Map, no_closures_cell_map, NoClosuresCellMap) \
V(Map, number_dictionary_map, NumberDictionaryMap) \
V(Map, one_closure_cell_map, OneClosureCellMap) \
V(Map, ordered_hash_map_map, OrderedHashMapMap) \
V(Map, ordered_hash_set_map, OrderedHashSetMap) \
V(Map, name_dictionary_map, NameDictionaryMap) \
V(Map, global_dictionary_map, GlobalDictionaryMap) \
V(Map, number_dictionary_map, NumberDictionaryMap) \
V(Map, property_array_map, PropertyArrayMap) \
V(Map, simple_number_dictionary_map, SimpleNumberDictionaryMap) \
V(Map, string_table_map, StringTableMap) \
V(Map, weak_hash_table_map, WeakHashTableMap) \
V(Map, sloppy_arguments_elements_map, SloppyArgumentsElementsMap) \
V(Map, small_ordered_hash_map_map, SmallOrderedHashMapMap) \
V(Map, small_ordered_hash_set_map, SmallOrderedHashSetMap) \
V(Map, code_data_container_map, CodeDataContainerMap) \
V(Map, message_object_map, JSMessageObjectMap) \
V(Map, external_map, ExternalMap) \
V(Map, bytecode_array_map, BytecodeArrayMap) \
V(Map, module_info_map, ModuleInfoMap) \
V(Map, no_closures_cell_map, NoClosuresCellMap) \
V(Map, one_closure_cell_map, OneClosureCellMap) \
V(Map, many_closures_cell_map, ManyClosuresCellMap) \
V(Map, property_array_map, PropertyArrayMap) \
V(Map, bigint_map, BigIntMap) \
V(Map, string_table_map, StringTableMap) \
V(Map, weak_hash_table_map, WeakHashTableMap) \
/* String maps */ \
V(Map, native_source_string_map, NativeSourceStringMap) \
V(Map, string_map, StringMap) \
@ -186,6 +188,8 @@ using v8::MemoryPressureLevel;
V(EnumCache, empty_enum_cache, EmptyEnumCache) \
V(PropertyArray, empty_property_array, EmptyPropertyArray) \
V(ByteArray, empty_byte_array, EmptyByteArray) \
V(BoilerplateDescription, empty_boilerplate_description, \
EmptyBoilerplateDescription) \
V(FixedTypedArrayBase, empty_fixed_uint8_array, EmptyFixedUint8Array) \
V(FixedTypedArrayBase, empty_fixed_int8_array, EmptyFixedInt8Array) \
V(FixedTypedArrayBase, empty_fixed_uint16_array, EmptyFixedUint16Array) \
@ -301,6 +305,7 @@ using v8::MemoryPressureLevel;
V(ArrayIteratorProtector) \
V(BigIntMap) \
V(BlockContextMap) \
V(BoilerplateDescriptionMap) \
V(BooleanMap) \
V(ByteArrayMap) \
V(BytecodeArrayMap) \
@ -2275,11 +2280,10 @@ class Heap {
MUST_USE_RESULT AllocationResult AllocateUninitializedFixedDoubleArray(
int length, PretenureFlag pretenure = NOT_TENURED);
// Allocate empty fixed array.
// Allocate empty fixed array like objects.
MUST_USE_RESULT AllocationResult AllocateEmptyFixedArray();
// Allocate empty scope info.
MUST_USE_RESULT AllocationResult AllocateEmptyScopeInfo();
MUST_USE_RESULT AllocationResult AllocateEmptyBoilerplateDescription();
// Allocate empty fixed typed array of given type.
MUST_USE_RESULT AllocationResult

10
src/heap/setup-heap-internal.cc
View File

@ -325,6 +325,8 @@ bool Heap::CreateInitialMaps() {
ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, script_context)
ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, script_context_table)
ALLOCATE_VARSIZE_MAP(BOILERPLATE_DESCRIPTION_TYPE, boilerplate_description)
ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, native_context)
native_context_map()->set_visitor_id(kVisitNativeContext);
@ -346,8 +348,14 @@ bool Heap::CreateInitialMaps() {
AllocationResult allocation = AllocateEmptyScopeInfo();
if (!allocation.To(&obj)) return false;
}
set_empty_scope_info(ScopeInfo::cast(obj));
{
AllocationResult allocation = AllocateEmptyBoilerplateDescription();
if (!allocation.To(&obj)) return false;
}
set_empty_boilerplate_description(BoilerplateDescription::cast(obj));
{
AllocationResult allocation = Allocate(boolean_map(), OLD_SPACE);
if (!allocation.To(&obj)) return false;

2
src/interpreter/bytecode-generator.cc
View File

@ -2095,7 +2095,7 @@ void BytecodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
// If constant properties is an empty fixed array, use a cached empty fixed
// array to ensure it's only added to the constant pool once.
if (expr->properties_count() == 0) {
entry = builder()->EmptyFixedArrayConstantPoolEntry();
entry = builder()->EmptyBoilerplateDescriptionConstantPoolEntry();
} else {
entry = builder()->AllocateDeferredConstantPoolEntry();
object_literals_.push_back(std::make_pair(expr, entry));

15
src/interpreter/constant-array-builder.h
View File

@ -21,13 +21,14 @@ class AstValue;
namespace interpreter {
// Constant array entries that represent singletons.
#define SINGLETON_CONSTANT_ENTRY_TYPES(V) \
V(NaN, nan_value) \
V(IteratorSymbol, iterator_symbol) \
V(AsyncIteratorSymbol, async_iterator_symbol) \
V(HomeObjectSymbol, home_object_symbol) \
V(EmptyFixedArray, empty_fixed_array) \
V(ClassFieldsSymbol, class_fields_symbol)
#define SINGLETON_CONSTANT_ENTRY_TYPES(V) \
V(AsyncIteratorSymbol, async_iterator_symbol) \
V(ClassFieldsSymbol, class_fields_symbol) \
V(EmptyBoilerplateDescription, empty_boilerplate_description) \
V(EmptyFixedArray, empty_fixed_array) \
V(HomeObjectSymbol, home_object_symbol) \
V(IteratorSymbol, iterator_symbol) \
V(NaN, nan_value)
// A helper class for constructing constant arrays for the
// interpreter. Each instance of this class is intended to be used to

3
src/objects-body-descriptors-inl.h
View File

@ -447,8 +447,9 @@ ReturnType BodyDescriptorApply(InstanceType type, T1 p1, T2 p2, T3 p3) {
}
switch (type) {
case HASH_TABLE_TYPE:
case FIXED_ARRAY_TYPE:
case BOILERPLATE_DESCRIPTION_TYPE:
case HASH_TABLE_TYPE:
case SCOPE_INFO_TYPE:
return Op::template apply<FixedArray::BodyDescriptor>(p1, p2, p3);
case FIXED_DOUBLE_ARRAY_TYPE:

1
src/objects-debug.cc
View File

@ -111,6 +111,7 @@ void HeapObject::HeapObjectVerify() {
BigInt::cast(this)->BigIntVerify();
break;
case HASH_TABLE_TYPE:
case BOILERPLATE_DESCRIPTION_TYPE:
case FIXED_ARRAY_TYPE:
case SCOPE_INFO_TYPE:
FixedArray::cast(this)->FixedArrayVerify();

7
src/objects-inl.h
View File

@ -79,8 +79,9 @@ int PropertyDetails::field_width_in_words() const {
}
TYPE_CHECKER(BigInt, BIGINT_TYPE)
TYPE_CHECKER(BreakPointInfo, TUPLE2_TYPE)
TYPE_CHECKER(BoilerplateDescription, BOILERPLATE_DESCRIPTION_TYPE)
TYPE_CHECKER(BreakPoint, TUPLE2_TYPE)
TYPE_CHECKER(BreakPointInfo, TUPLE2_TYPE)
TYPE_CHECKER(CallHandlerInfo, TUPLE3_TYPE)
TYPE_CHECKER(Cell, CELL_TYPE)
TYPE_CHECKER(ConstantElementsPair, TUPLE2_TYPE)
@ -151,10 +152,6 @@ bool HeapObject::IsJSGeneratorObject() const {
IsJSAsyncGeneratorObject();
}
bool HeapObject::IsBoilerplateDescription() const {
return IsFixedArrayExact();
}
bool HeapObject::IsClassBoilerplate() const { return IsFixedArrayExact(); }
bool HeapObject::IsExternal() const {

24
src/objects-printer.cc
View File

@ -93,6 +93,9 @@ void HeapObject::HeapObjectPrint(std::ostream& os) { // NOLINT
case FIXED_ARRAY_TYPE:
FixedArray::cast(this)->FixedArrayPrint(os);
break;
case BOILERPLATE_DESCRIPTION_TYPE:
BoilerplateDescription::cast(this)->BoilerplateDescriptionPrint(os);
break;
case PROPERTY_ARRAY_TYPE:
PropertyArray::cast(this)->PropertyArrayPrint(os);
break;
@ -658,12 +661,23 @@ void AliasedArgumentsEntry::AliasedArgumentsEntryPrint(
os << "\n - aliased_context_slot: " << aliased_context_slot();
}
namespace {
void PrintFixedArrayWithHeader(std::ostream& os, FixedArray* array,
const char* type) {
array->PrintHeader(os, type);
os << "\n - length: " << array->length();
PrintFixedArrayElements(os, array);
os << "\n";
}
} // namespace
void FixedArray::FixedArrayPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, IsHashTable() ? "HashTable" : "FixedArray");
os << "\n - length: " << length();
PrintFixedArrayElements(os, this);
os << "\n";
PrintFixedArrayWithHeader(os, this,
IsHashTable() ? "HashTable" : "FixedArray");
}
void BoilerplateDescription::BoilerplateDescriptionPrint(std::ostream& os) {
PrintFixedArrayWithHeader(os, this, "BoilerplateDescription");
}
void PropertyArray::PropertyArrayPrint(std::ostream& os) { // NOLINT
@ -1669,7 +1683,7 @@ void PrintScopeInfoList(ScopeInfo* scope_info, std::ostream& os,
void ScopeInfo::ScopeInfoPrint(std::ostream& os) { // NOLINT
HeapObject::PrintHeader(os, "ScopeInfo");
if (length() == 0) {
os << "\n - length = 0";
os << "\n - length = 0\n";
return;
}

8
src/objects.cc
View File

@ -2978,8 +2978,9 @@ VisitorId Map::GetVisitorId(Map* map) {
case FREE_SPACE_TYPE:
return kVisitFreeSpace;
case HASH_TABLE_TYPE:
case FIXED_ARRAY_TYPE:
case BOILERPLATE_DESCRIPTION_TYPE:
case HASH_TABLE_TYPE:
case DESCRIPTOR_ARRAY_TYPE:
case SCOPE_INFO_TYPE:
return kVisitFixedArray;
@ -3261,6 +3262,10 @@ void HeapObject::HeapObjectShortPrint(std::ostream& os) { // NOLINT
case FIXED_ARRAY_TYPE:
os << "<FixedArray[" << FixedArray::cast(this)->length() << "]>";
break;
case BOILERPLATE_DESCRIPTION_TYPE:
os << "<BoilerplateDescription[" << FixedArray::cast(this)->length()
<< "]>";
break;
case FIXED_DOUBLE_ARRAY_TYPE:
os << "<FixedDoubleArray[" << FixedDoubleArray::cast(this)->length()
<< "]>";
@ -12783,6 +12788,7 @@ bool CanSubclassHaveInobjectProperties(InstanceType instance_type) {
return true;
case BIGINT_TYPE:
case BOILERPLATE_DESCRIPTION_TYPE:
case BYTECODE_ARRAY_TYPE:
case BYTE_ARRAY_TYPE:
case CELL_TYPE:

2
src/objects.h
View File

@ -393,6 +393,7 @@ const int kStubMinorKeyBits = kSmiValueSize - kStubMajorKeyBits - 1;
V(PROMISE_RESOLVE_THENABLE_JOB_TASK_TYPE) \
\
V(FIXED_ARRAY_TYPE) \
V(BOILERPLATE_DESCRIPTION_TYPE) \
V(DESCRIPTOR_ARRAY_TYPE) \
V(HASH_TABLE_TYPE) \
V(SCOPE_INFO_TYPE) \
@ -788,6 +789,7 @@ enum InstanceType : uint16_t {
// FixedArrays.
FIXED_ARRAY_TYPE, // FIRST_FIXED_ARRAY_TYPE
BOILERPLATE_DESCRIPTION_TYPE,
DESCRIPTOR_ARRAY_TYPE,
HASH_TABLE_TYPE,
SCOPE_INFO_TYPE,

1
src/objects/literal-objects.h
View File

@ -35,6 +35,7 @@ class BoilerplateDescription : public FixedArray {
void set_backing_store_size(Isolate* isolate, int backing_store_size);
DECL_CAST(BoilerplateDescription)
DECL_PRINTER(BoilerplateDescription)
private:
bool has_number_of_properties() const;

4
test/cctest/interpreter/bytecode_expectations/CompoundExpressions.golden
View File

@ -65,7 +65,7 @@ bytecodes: [
/* 67 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["name"],
]
handlers: [
@ -91,7 +91,7 @@ bytecodes: [
/* 63 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]

8
test/cctest/interpreter/bytecode_expectations/CountOperators.golden
View File

@ -112,7 +112,7 @@ bytecodes: [
/* 69 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["val"],
]
handlers: [
@ -137,7 +137,7 @@ bytecodes: [
/* 69 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["val"],
]
handlers: [
@ -168,7 +168,7 @@ bytecodes: [
]
constant pool: [
ONE_BYTE_INTERNALIZED_STRING_TYPE ["var"],
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -196,7 +196,7 @@ bytecodes: [
]
constant pool: [
ONE_BYTE_INTERNALIZED_STRING_TYPE ["var"],
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]

8
test/cctest/interpreter/bytecode_expectations/Delete.golden
View File

@ -21,7 +21,7 @@ bytecodes: [
/* 74 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
]
handlers: [
@ -43,7 +43,7 @@ bytecodes: [
/* 88 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
]
handlers: [
@ -65,7 +65,7 @@ bytecodes: [
/* 75 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -114,7 +114,7 @@ bytecodes: [
/* 112 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
SHARED_FUNCTION_INFO_TYPE,
]
handlers: [

2
test/cctest/interpreter/bytecode_expectations/ForAwaitOf.golden
View File

@ -977,7 +977,7 @@ bytecodes: [
/* 96 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
TUPLE2_TYPE,
SYMBOL_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],

2
test/cctest/interpreter/bytecode_expectations/ForIn.golden
View File

@ -188,7 +188,7 @@ bytecodes: [
/* 152 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
TUPLE2_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["a"],
]

2
test/cctest/interpreter/bytecode_expectations/ForOf.golden
View File

@ -538,7 +538,7 @@ bytecodes: [
/* 105 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
TUPLE2_TYPE,
SYMBOL_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],

16
test/cctest/interpreter/bytecode_expectations/GenerateTestUndetectable.golden
View File

@ -30,7 +30,7 @@ bytecodes: [
/* 106 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -60,7 +60,7 @@ bytecodes: [
/* 111 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -90,7 +90,7 @@ bytecodes: [
/* 106 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -120,7 +120,7 @@ bytecodes: [
/* 111 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -149,7 +149,7 @@ bytecodes: [
/* 107 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -178,7 +178,7 @@ bytecodes: [
/* 112 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -207,7 +207,7 @@ bytecodes: [
/* 107 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -236,7 +236,7 @@ bytecodes: [
/* 112 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]

28
test/cctest/interpreter/bytecode_expectations/ObjectLiterals.golden
View File

@ -36,7 +36,7 @@ bytecodes: [
/* 70 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -58,7 +58,7 @@ bytecodes: [
/* 79 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["val"],
]
handlers: [
@ -82,7 +82,7 @@ bytecodes: [
/* 75 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["val"],
]
handlers: [
@ -104,7 +104,7 @@ bytecodes: [
/* 66 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
SHARED_FUNCTION_INFO_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["func"],
]
@ -127,7 +127,7 @@ bytecodes: [
/* 67 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
SHARED_FUNCTION_INFO_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["func"],
]
@ -158,7 +158,7 @@ bytecodes: [
/* 67 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["a"],
SHARED_FUNCTION_INFO_TYPE,
]
@ -189,7 +189,7 @@ bytecodes: [
/* 101 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["a"],
SHARED_FUNCTION_INFO_TYPE,
SHARED_FUNCTION_INFO_TYPE,
@ -221,7 +221,7 @@ bytecodes: [
/* 73 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["b"],
SHARED_FUNCTION_INFO_TYPE,
]
@ -251,7 +251,7 @@ bytecodes: [
/* 61 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -270,7 +270,7 @@ bytecodes: [
/* 61 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -295,7 +295,7 @@ bytecodes: [
]
constant pool: [
ONE_BYTE_INTERNALIZED_STRING_TYPE ["test"],
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -322,7 +322,7 @@ bytecodes: [
]
constant pool: [
ONE_BYTE_INTERNALIZED_STRING_TYPE ["test"],
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["val"],
]
handlers: [
@ -352,7 +352,7 @@ bytecodes: [
]
constant pool: [
ONE_BYTE_INTERNALIZED_STRING_TYPE ["test"],
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
]
handlers: [
]
@ -392,7 +392,7 @@ bytecodes: [
]
constant pool: [
ONE_BYTE_INTERNALIZED_STRING_TYPE ["name"],
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["val"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["a"],
SHARED_FUNCTION_INFO_TYPE,

2
test/cctest/interpreter/bytecode_expectations/StandardForLoop.golden
View File

@ -256,7 +256,7 @@ bytecodes: [
/* 84 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["y"],
]

2
test/cctest/interpreter/bytecode_expectations/TopLevelObjectLiterals.golden
View File

@ -31,7 +31,7 @@ bytecodes: [
]
constant pool: [
FIXED_ARRAY_TYPE,
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
SHARED_FUNCTION_INFO_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["func"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["a"],

2
test/cctest/interpreter/bytecode_expectations/WithStatement.golden
View File

@ -24,7 +24,7 @@ bytecodes: [
/* 59 S> */ B(Return),
]
constant pool: [
FIXED_ARRAY_TYPE,
BOILERPLATE_DESCRIPTION_TYPE,
SCOPE_INFO_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["x"],
]

2
tools/grokdump.py
View File

@ -1732,6 +1732,8 @@ class V8Heap(object):
"ODDBALL_TYPE": Oddball,
"FIXED_ARRAY_TYPE": FixedArray,
"HASH_TABLE_TYPE": FixedArray,
"BOILERPLATE_DESCRIPTION_TYPE": FixedArray,
"SCOPE_INFO_TYPE": FixedArray,
"JS_FUNCTION_TYPE": JSFunction,
"SHARED_FUNCTION_INFO_TYPE": SharedFunctionInfo,
"SCRIPT_TYPE": Script,

272
tools/v8heapconst.py
View File

@ -82,22 +82,23 @@ INSTANCE_TYPES = {
178: "PROMISE_REJECT_REACTION_JOB_TASK_TYPE",
179: "PROMISE_RESOLVE_THENABLE_JOB_TASK_TYPE",
180: "FIXED_ARRAY_TYPE",
181: "DESCRIPTOR_ARRAY_TYPE",
182: "HASH_TABLE_TYPE",
183: "SCOPE_INFO_TYPE",
184: "TRANSITION_ARRAY_TYPE",
185: "CELL_TYPE",
186: "CODE_DATA_CONTAINER_TYPE",
187: "FEEDBACK_CELL_TYPE",
188: "FEEDBACK_VECTOR_TYPE",
189: "LOAD_HANDLER_TYPE",
190: "PROPERTY_ARRAY_TYPE",
191: "PROPERTY_CELL_TYPE",
192: "SHARED_FUNCTION_INFO_TYPE",
193: "SMALL_ORDERED_HASH_MAP_TYPE",
194: "SMALL_ORDERED_HASH_SET_TYPE",
195: "STORE_HANDLER_TYPE",
196: "WEAK_CELL_TYPE",
181: "BOILERPLATE_DESCRIPTION_TYPE",
182: "DESCRIPTOR_ARRAY_TYPE",
183: "HASH_TABLE_TYPE",
184: "SCOPE_INFO_TYPE",
185: "TRANSITION_ARRAY_TYPE",
186: "CELL_TYPE",
187: "CODE_DATA_CONTAINER_TYPE",
188: "FEEDBACK_CELL_TYPE",
189: "FEEDBACK_VECTOR_TYPE",
190: "LOAD_HANDLER_TYPE",
191: "PROPERTY_ARRAY_TYPE",
192: "PROPERTY_CELL_TYPE",
193: "SHARED_FUNCTION_INFO_TYPE",
194: "SMALL_ORDERED_HASH_MAP_TYPE",
195: "SMALL_ORDERED_HASH_SET_TYPE",
196: "STORE_HANDLER_TYPE",
197: "WEAK_CELL_TYPE",
1024: "JS_PROXY_TYPE",
1025: "JS_GLOBAL_OBJECT_TYPE",
1026: "JS_GLOBAL_PROXY_TYPE",
@ -182,7 +183,7 @@ KNOWN_MAPS = {
0x02201: (138, "FreeSpaceMap"),
0x02259: (132, "MetaMap"),
0x022b1: (131, "NullMap"),
0x02309: (181, "DescriptorArrayMap"),
0x02309: (182, "DescriptorArrayMap"),
0x02361: (180, "FixedArrayMap"),
0x023b9: (151, "OnePointerFillerMap"),
0x02411: (151, "TwoPointerFillerMap"),
@ -194,19 +195,19 @@ KNOWN_MAPS = {
0x02621: (131, "BooleanMap"),
0x02679: (136, "ByteArrayMap"),
0x026d1: (180, "FixedCOWArrayMap"),
0x02729: (182, "HashTableMap"),
0x02729: (183, "HashTableMap"),
0x02781: (128, "SymbolMap"),
0x027d9: (72, "OneByteStringMap"),
0x02831: (183, "ScopeInfoMap"),
0x02889: (192, "SharedFunctionInfoMap"),
0x02831: (184, "ScopeInfoMap"),
0x02889: (193, "SharedFunctionInfoMap"),
0x028e1: (133, "CodeMap"),
0x02939: (180, "FunctionContextMap"),
0x02991: (185, "CellMap"),
0x029e9: (196, "WeakCellMap"),
0x02a41: (191, "GlobalPropertyCellMap"),
0x02991: (186, "CellMap"),
0x029e9: (197, "WeakCellMap"),
0x02a41: (192, "GlobalPropertyCellMap"),
0x02a99: (135, "ForeignMap"),
0x02af1: (184, "TransitionArrayMap"),
0x02b49: (188, "FeedbackVectorMap"),
0x02af1: (185, "TransitionArrayMap"),
0x02b49: (189, "FeedbackVectorMap"),
0x02ba1: (131, "ArgumentsMarkerMap"),
0x02bf9: (131, "ExceptionMap"),
0x02c51: (131, "TerminationExceptionMap"),
@ -222,89 +223,90 @@ KNOWN_MAPS = {
0x02fc1: (180, "DebugEvaluateContextMap"),
0x03019: (180, "ScriptContextTableMap"),
0x03071: (180, "ArrayListMap"),
0x030c9: (150, "FixedDoubleArrayMap"),
0x03121: (134, "MutableHeapNumberMap"),
0x03179: (182, "OrderedHashMapMap"),
0x031d1: (182, "OrderedHashSetMap"),
0x03229: (182, "NameDictionaryMap"),
0x03281: (182, "GlobalDictionaryMap"),
0x032d9: (182, "NumberDictionaryMap"),
0x03331: (182, "SimpleNumberDictionaryMap"),
0x03389: (182, "StringTableMap"),
0x033e1: (182, "WeakHashTableMap"),
0x03439: (180, "SloppyArgumentsElementsMap"),
0x03491: (193, "SmallOrderedHashMapMap"),
0x034e9: (194, "SmallOrderedHashSetMap"),
0x03541: (186, "CodeDataContainerMap"),
0x03599: (1071, "JSMessageObjectMap"),
0x035f1: (1057, "ExternalMap"),
0x03649: (137, "BytecodeArrayMap"),
0x036a1: (180, "ModuleInfoMap"),
0x036f9: (187, "NoClosuresCellMap"),
0x03751: (187, "OneClosureCellMap"),
0x037a9: (187, "ManyClosuresCellMap"),
0x03801: (190, "PropertyArrayMap"),
0x03859: (130, "BigIntMap"),
0x038b1: (106, "NativeSourceStringMap"),
0x03909: (64, "StringMap"),
0x03961: (73, "ConsOneByteStringMap"),
0x039b9: (65, "ConsStringMap"),
0x03a11: (77, "ThinOneByteStringMap"),
0x03a69: (69, "ThinStringMap"),
0x03ac1: (67, "SlicedStringMap"),
0x03b19: (75, "SlicedOneByteStringMap"),
0x03b71: (66, "ExternalStringMap"),
0x03bc9: (82, "ExternalStringWithOneByteDataMap"),
0x03c21: (74, "ExternalOneByteStringMap"),
0x03c79: (98, "ShortExternalStringMap"),
0x03cd1: (114, "ShortExternalStringWithOneByteDataMap"),
0x03d29: (0, "InternalizedStringMap"),
0x03d81: (2, "ExternalInternalizedStringMap"),
0x03dd9: (18, "ExternalInternalizedStringWithOneByteDataMap"),
0x03e31: (10, "ExternalOneByteInternalizedStringMap"),
0x03e89: (34, "ShortExternalInternalizedStringMap"),
0x03ee1: (50, "ShortExternalInternalizedStringWithOneByteDataMap"),
0x03f39: (42, "ShortExternalOneByteInternalizedStringMap"),
0x03f91: (106, "ShortExternalOneByteStringMap"),
0x03fe9: (140, "FixedUint8ArrayMap"),
0x04041: (139, "FixedInt8ArrayMap"),
0x04099: (142, "FixedUint16ArrayMap"),
0x040f1: (141, "FixedInt16ArrayMap"),
0x04149: (144, "FixedUint32ArrayMap"),
0x041a1: (143, "FixedInt32ArrayMap"),
0x041f9: (145, "FixedFloat32ArrayMap"),
0x04251: (146, "FixedFloat64ArrayMap"),
0x042a9: (147, "FixedUint8ClampedArrayMap"),
0x04301: (149, "FixedBigUint64ArrayMap"),
0x04359: (148, "FixedBigInt64ArrayMap"),
0x043b1: (171, "Tuple2Map"),
0x04409: (169, "ScriptMap"),
0x04461: (162, "InterceptorInfoMap"),
0x044b9: (153, "AccessorInfoMap"),
0x04511: (152, "AccessCheckInfoMap"),
0x04569: (154, "AccessorPairMap"),
0x045c1: (155, "AliasedArgumentsEntryMap"),
0x04619: (156, "AllocationMementoMap"),
0x04671: (157, "AllocationSiteMap"),
0x046c9: (158, "AsyncGeneratorRequestMap"),
0x04721: (159, "ContextExtensionMap"),
0x04779: (160, "DebugInfoMap"),
0x047d1: (161, "FunctionTemplateInfoMap"),
0x04829: (163, "ModuleInfoEntryMap"),
0x04881: (164, "ModuleMap"),
0x048d9: (165, "ObjectTemplateInfoMap"),
0x04931: (166, "PromiseCapabilityMap"),
0x04989: (167, "PromiseReactionMap"),
0x049e1: (168, "PrototypeInfoMap"),
0x04a39: (170, "StackFrameInfoMap"),
0x04a91: (172, "Tuple3Map"),
0x04ae9: (173, "WasmDebugInfoMap"),
0x04b41: (174, "WasmSharedModuleDataMap"),
0x04b99: (175, "CallableTaskMap"),
0x04bf1: (176, "CallbackTaskMap"),
0x04c49: (177, "PromiseFulfillReactionJobTaskMap"),
0x04ca1: (178, "PromiseRejectReactionJobTaskMap"),
0x04cf9: (179, "PromiseResolveThenableJobTaskMap"),
0x030c9: (130, "BigIntMap"),
0x03121: (181, "BoilerplateDescriptionMap"),
0x03179: (137, "BytecodeArrayMap"),
0x031d1: (187, "CodeDataContainerMap"),
0x03229: (1057, "ExternalMap"),
0x03281: (150, "FixedDoubleArrayMap"),
0x032d9: (183, "GlobalDictionaryMap"),
0x03331: (188, "ManyClosuresCellMap"),
0x03389: (1071, "JSMessageObjectMap"),
0x033e1: (180, "ModuleInfoMap"),
0x03439: (134, "MutableHeapNumberMap"),
0x03491: (183, "NameDictionaryMap"),
0x034e9: (188, "NoClosuresCellMap"),
0x03541: (183, "NumberDictionaryMap"),
0x03599: (188, "OneClosureCellMap"),
0x035f1: (183, "OrderedHashMapMap"),
0x03649: (183, "OrderedHashSetMap"),
0x036a1: (191, "PropertyArrayMap"),
0x036f9: (183, "SimpleNumberDictionaryMap"),
0x03751: (180, "SloppyArgumentsElementsMap"),
0x037a9: (194, "SmallOrderedHashMapMap"),
0x03801: (195, "SmallOrderedHashSetMap"),
0x03859: (183, "StringTableMap"),
0x038b1: (183, "WeakHashTableMap"),
0x03909: (106, "NativeSourceStringMap"),
0x03961: (64, "StringMap"),
0x039b9: (73, "ConsOneByteStringMap"),
0x03a11: (65, "ConsStringMap"),
0x03a69: (77, "ThinOneByteStringMap"),
0x03ac1: (69, "ThinStringMap"),
0x03b19: (67, "SlicedStringMap"),
0x03b71: (75, "SlicedOneByteStringMap"),
0x03bc9: (66, "ExternalStringMap"),
0x03c21: (82, "ExternalStringWithOneByteDataMap"),
0x03c79: (74, "ExternalOneByteStringMap"),
0x03cd1: (98, "ShortExternalStringMap"),
0x03d29: (114, "ShortExternalStringWithOneByteDataMap"),
0x03d81: (0, "InternalizedStringMap"),
0x03dd9: (2, "ExternalInternalizedStringMap"),
0x03e31: (18, "ExternalInternalizedStringWithOneByteDataMap"),
0x03e89: (10, "ExternalOneByteInternalizedStringMap"),
0x03ee1: (34, "ShortExternalInternalizedStringMap"),
0x03f39: (50, "ShortExternalInternalizedStringWithOneByteDataMap"),
0x03f91: (42, "ShortExternalOneByteInternalizedStringMap"),
0x03fe9: (106, "ShortExternalOneByteStringMap"),
0x04041: (140, "FixedUint8ArrayMap"),
0x04099: (139, "FixedInt8ArrayMap"),
0x040f1: (142, "FixedUint16ArrayMap"),
0x04149: (141, "FixedInt16ArrayMap"),
0x041a1: (144, "FixedUint32ArrayMap"),
0x041f9: (143, "FixedInt32ArrayMap"),
0x04251: (145, "FixedFloat32ArrayMap"),
0x042a9: (146, "FixedFloat64ArrayMap"),
0x04301: (147, "FixedUint8ClampedArrayMap"),
0x04359: (149, "FixedBigUint64ArrayMap"),
0x043b1: (148, "FixedBigInt64ArrayMap"),
0x04409: (171, "Tuple2Map"),
0x04461: (169, "ScriptMap"),
0x044b9: (162, "InterceptorInfoMap"),
0x04511: (153, "AccessorInfoMap"),
0x04569: (152, "AccessCheckInfoMap"),
0x045c1: (154, "AccessorPairMap"),
0x04619: (155, "AliasedArgumentsEntryMap"),
0x04671: (156, "AllocationMementoMap"),
0x046c9: (157, "AllocationSiteMap"),
0x04721: (158, "AsyncGeneratorRequestMap"),
0x04779: (159, "ContextExtensionMap"),
0x047d1: (160, "DebugInfoMap"),
0x04829: (161, "FunctionTemplateInfoMap"),
0x04881: (163, "ModuleInfoEntryMap"),
0x048d9: (164, "ModuleMap"),
0x04931: (165, "ObjectTemplateInfoMap"),
0x04989: (166, "PromiseCapabilityMap"),
0x049e1: (167, "PromiseReactionMap"),
0x04a39: (168, "PrototypeInfoMap"),
0x04a91: (170, "StackFrameInfoMap"),
0x04ae9: (172, "Tuple3Map"),
0x04b41: (173, "WasmDebugInfoMap"),
0x04b99: (174, "WasmSharedModuleDataMap"),
0x04bf1: (175, "CallableTaskMap"),
0x04c49: (176, "CallbackTaskMap"),
0x04ca1: (177, "PromiseFulfillReactionJobTaskMap"),
0x04cf9: (178, "PromiseRejectReactionJobTaskMap"),
0x04d51: (179, "PromiseResolveThenableJobTaskMap"),
}
# List of known V8 objects.
@ -327,33 +329,33 @@ KNOWN_OBJECTS = {
("OLD_SPACE", 0x02579): "OptimizedOut",
("OLD_SPACE", 0x025d1): "StaleRegister",
("OLD_SPACE", 0x02651): "EmptyByteArray",
("OLD_SPACE", 0x02661): "EmptyFixedUint8Array",
("OLD_SPACE", 0x02681): "EmptyFixedInt8Array",
("OLD_SPACE", 0x026a1): "EmptyFixedUint16Array",
("OLD_SPACE", 0x026c1): "EmptyFixedInt16Array",
("OLD_SPACE", 0x026e1): "EmptyFixedUint32Array",
("OLD_SPACE", 0x02701): "EmptyFixedInt32Array",
("OLD_SPACE", 0x02721): "EmptyFixedFloat32Array",
("OLD_SPACE", 0x02741): "EmptyFixedFloat64Array",
("OLD_SPACE", 0x02761): "EmptyFixedUint8ClampedArray",
("OLD_SPACE", 0x027c1): "EmptyScript",
("OLD_SPACE", 0x02849): "ManyClosuresCell",
("OLD_SPACE", 0x02859): "EmptySloppyArgumentsElements",
("OLD_SPACE", 0x02879): "EmptySlowElementDictionary",
("OLD_SPACE", 0x028c1): "EmptyOrderedHashMap",
("OLD_SPACE", 0x028e9): "EmptyOrderedHashSet",
("OLD_SPACE", 0x02911): "EmptyPropertyCell",
("OLD_SPACE", 0x02939): "EmptyWeakCell",
("OLD_SPACE", 0x029a9): "NoElementsProtector",
("OLD_SPACE", 0x029d1): "IsConcatSpreadableProtector",
("OLD_SPACE", 0x029e1): "SpeciesProtector",
("OLD_SPACE", 0x02a09): "StringLengthProtector",
("OLD_SPACE", 0x02a19): "FastArrayIterationProtector",
("OLD_SPACE", 0x02a29): "ArrayIteratorProtector",
("OLD_SPACE", 0x02a51): "ArrayBufferNeuteringProtector",
("OLD_SPACE", 0x02ac9): "InfinityValue",
("OLD_SPACE", 0x02ad9): "MinusZeroValue",
("OLD_SPACE", 0x02ae9): "MinusInfinityValue",
("OLD_SPACE", 0x02671): "EmptyFixedUint8Array",
("OLD_SPACE", 0x02691): "EmptyFixedInt8Array",
("OLD_SPACE", 0x026b1): "EmptyFixedUint16Array",
("OLD_SPACE", 0x026d1): "EmptyFixedInt16Array",
("OLD_SPACE", 0x026f1): "EmptyFixedUint32Array",
("OLD_SPACE", 0x02711): "EmptyFixedInt32Array",
("OLD_SPACE", 0x02731): "EmptyFixedFloat32Array",
("OLD_SPACE", 0x02751): "EmptyFixedFloat64Array",
("OLD_SPACE", 0x02771): "EmptyFixedUint8ClampedArray",
("OLD_SPACE", 0x027d1): "EmptyScript",
("OLD_SPACE", 0x02859): "ManyClosuresCell",
("OLD_SPACE", 0x02869): "EmptySloppyArgumentsElements",
("OLD_SPACE", 0x02889): "EmptySlowElementDictionary",
("OLD_SPACE", 0x028d1): "EmptyOrderedHashMap",
("OLD_SPACE", 0x028f9): "EmptyOrderedHashSet",
("OLD_SPACE", 0x02921): "EmptyPropertyCell",
("OLD_SPACE", 0x02949): "EmptyWeakCell",
("OLD_SPACE", 0x029b9): "NoElementsProtector",
("OLD_SPACE", 0x029e1): "IsConcatSpreadableProtector",
("OLD_SPACE", 0x029f1): "SpeciesProtector",
("OLD_SPACE", 0x02a19): "StringLengthProtector",
("OLD_SPACE", 0x02a29): "FastArrayIterationProtector",
("OLD_SPACE", 0x02a39): "ArrayIteratorProtector",
("OLD_SPACE", 0x02a61): "ArrayBufferNeuteringProtector",
("OLD_SPACE", 0x02ad9): "InfinityValue",
("OLD_SPACE", 0x02ae9): "MinusZeroValue",
("OLD_SPACE", 0x02af9): "MinusInfinityValue",
}
# List of known V8 Frame Markers.