I found my issue i was not actually adding the context i ran the script in
when adding a context to the snapshot creator. After i fixed this i can see
the object serialization get hit. I was helped also by the sterilizer test
in v8 ReinitializeHashSeedJSCollectionRehashable which showed that var
created by new could be serialized even if they were they were built in
classes. After i tried adding a 'var m = new Map();' and it was also
undefined i started looking at what was different and found where i used
the wrong context.
On Monday, June 10, 2024 at 2:57:04 PM UTC-5 Ronald Fenner wrote:
> Question when running a script source in context can you make any objects
> created via new survive passed the end of the script so if you run another
> script they are accessable still in the next script or is this not possible
> I looked at another test of mine where i did something similar to test the
> week callback and destruction getting called and could see that when i
> force the gc after the script run the object was garbage collected.
>
> Would this be different if i was doing this in a module instead?
>
> I looked over blink's snapshot code and it seems they mainly setup all the
> functions and object templates they require then snapshot so don't really
> run any code.
> Node seems to do the same expect also run js to bootstrap their
> environment but it's kinda hard to follow their code at times.
>
> Just trying to figure out what can be done on the JS side for a snapshot
> for object instances or if it's more static setup. Node suggest more can be
> done but they have the v8 source as part of their project and can make
> changes where as i'm doing this from the library side where i can't make
> changes.
>
> Thanks
> On Tuesday, June 4, 2024 at 4:30:42 AM UTC-5 Ronald Fenner wrote:
>
>> Can you not post links in a message? My last message apparently has been
>> deleted twice with a link to the code in github.
>>
>> Yes when the error occurs i have a global still held on the context my
>> the wrapper class. I know if i close it it will work. Is there way to
>> ignore or serialize it or am I correct in assuming any globals or
>> persistents on the c++ side need to be clear/reset before a snapshot.
>> You can see my coee by going to github and looking at the v8App under
>> branch snapshot in the
>> src/testing/libs/jsRuntime/runtime/SnapshotCreatorTest.cc.
>>
>> The main question was how to persist a object created via new backed by a
>> c++ object and the one i create in the test above where i'm iterating on
>> the snapshot prcess gets GC'ed when i take the snapshot it seems before the
>> serializers is called as I don't hit the breakpoint in my serialization
>> code for SerliazeInternalFields.
>>
>> Thanks
>>
>> On Monday, June 3, 2024 at 7:04:56 AM UTC-5 les...@chromium.org wrote:
>>
>>> Hi Ronald,
>>>
>>> Can you clarify what you're trying to do, with the full example code or
>>> a link to a patch? The error you're getting is to do with active global
>>> handles, so the cause for the error really depends on what the rest of your
>>> code is doing.
>>>
>>> - Leszek
>>>
>>> On Sat, Jun 1, 2024 at 6:43 AM 'Ronald Fenner' via v8-dev <
>>> v8-...@googlegroups.com> wrote:
>>>
>>>> I'm working on code to take a snapshot of v8 isolate and context and
>>>> while I have ogtten snapshotting working with function templates, I'm
>>>> running into a problem with tryingt otest snapshotting a js object wrapped
>>>> with a cpp class.
>>>> When i snapshot the object seems to be getting CGed as the wek ref
>>>> callback gets called and thus the object is deleted and the serializer
>>>> function is never called for it.
>>>>
>>>> Not sure how to keep the obj alive for the snapshot the test js code is
>>>>
>>>> test('test');
>>>> test2('test2');
>>>> let snapObj = new TestSnapObject();
>>>> snapObj.value = 100;
>>>> The object does get created and i can se the value change from the cpp
>>>> side.
>>>>
>>>> How would i need to keep it alive so it gets snapshotted.
>>>>
>>>> Another question if i hold a global the context in a class should i
>>>> have to cleat it for snapshotting? I have tried to hold but get an error
>>>> where as if i clear it will snapshot ok.
>>>> When I hold i get this error
>>>>
>>>> global handle not serialized: 0x1248082824cd: [NativeContext] in
>>>> OldSpace
>>>> - map: 0x1248082824a5 <Map(NATIVE_CONTEXT_TYPE)>
>>>> - type: NATIVE_CONTEXT_TYPE
>>>> - scope_info: 0x1248080061d5 <ScopeInfo SCRIPT_SCOPE>
>>>> - previous: 0
>>>> - native_context: 0x1248082824cd <NativeContext[287]>
>>>> - extension: 0x1248082936d1 <JSGlobalObject>
>>>> - length: 287
>>>> - elements:
>>>> 0: 0x1248080061d5 <ScopeInfo SCRIPT_SCOPE>
>>>> 1: 0
>>>> 2: 0x1248082936d1 <JSGlobalObject>
>>>> 3: 0x124808282471 <JSGlobalProxy>
>>>> 4: 0x12480820f2a5 <Other heap object
>>>> (EMBEDDER_DATA_ARRAY_TYPE)>
>>>> 5: 0x124808000069 <undefined>
>>>> 6: 0x12480828d929 <JSFunction next (sfi = 0x1248080f4a31)>
>>>> 7: 0x12480828d945 <JSFunction next (sfi = 0x1248080f4a5d)>
>>>> 8: 0x12480828b099 <JSFunction apply (sfi = 0x1248080fa93d)>
>>>> 9: 0x12480828af49 <JSFunction construct (sfi =
>>>> 0x1248080fa969)>
>>>> 10: 0x12480828a065 <JSFunction then (sfi = 0x1248080f7161)>
>>>> 11: 0x124808282ce9 <JSFunction apply (sfi = 0x1248080f51c1)>
>>>> 12: 0x124808284519 <JSFunction Uint8Array (sfi =
>>>> 0x1248080f9c2d)>
>>>> 13: 0x124808284685 <JSFunction Int8Array (sfi =
>>>> 0x1248080f9c59)>
>>>> 14: 0x124808289771 <JSFunction Uint16Array (sfi =
>>>> 0x1248080f9c85)>
>>>> 15: 0x12480828ad1d <JSFunction Int16Array (sfi =
>>>> 0x1248080f9cb1)>
>>>> 16: 0x12480828a2d9 <JSFunction Uint32Array (sfi =
>>>> 0x1248080f9cdd)>
>>>> 17: 0x1248082851e1 <JSFunction Int32Array (sfi =
>>>> 0x1248080f9d09)>
>>>> 18: 0x1248082898dd <JSFunction Float32Array (sfi =
>>>> 0x1248080f9d35)>
>>>> 19: 0x12480828abb1 <JSFunction Float64Array (sfi =
>>>> 0x1248080f9d61)>
>>>> 20: 0x1248082843ad <JSFunction Uint8ClampedArray (sfi =
>>>> 0x1248080f9d8d)>
>>>> 21: 0x124808284aa1 <JSFunction BigUint64Array (sfi =
>>>> 0x1248080f9db9)>
>>>> 22: 0x12480828aa45 <JSFunction BigInt64Array (sfi =
>>>> 0x1248080f9de5)>
>>>> 23: 0x124808000069 <undefined>
>>>> 24: 0x12480828d961 <Map[72](RAB_GSAB_UINT8ELEMENTS)>
>>>> 25: 0x12480828d989 <Map[72](RAB_GSAB_INT8ELEMENTS)>
>>>> 26: 0x12480828d9b1 <Map[72](RAB_GSAB_UINT16ELEMENTS)>
>>>> 27: 0x12480828d9d9 <Map[72](RAB_GSAB_INT16ELEMENTS)>
>>>> 28: 0x12480828da01 <Map[72](RAB_GSAB_UINT32ELEMENTS)>
>>>> 29: 0x12480828da29 <Map[72](RAB_GSAB_INT32ELEMENTS)>
>>>> 30: 0x12480828da51 <Map[72](RAB_GSAB_FLOAT32ELEMENTS)>
>>>> 31: 0x12480828da79 <Map[72](RAB_GSAB_FLOAT64ELEMENTS)>
>>>> 32: 0x12480828daa1 <Map[72](RAB_GSAB_UINT8_CLAMPEDELEMENTS)>
>>>> 33: 0x12480828dac9 <Map[72](RAB_GSAB_BIGUINT64ELEMENTS)>
>>>> 34: 0x12480828daf1 <Map[72](RAB_GSAB_BIGINT64ELEMENTS)>
>>>> 35: 0x124808000069 <undefined>
>>>> 36: 0x12480828db19 <Map[28](HOLEY_ELEMENTS)>
>>>> 37: 0x124808000069 <undefined>
>>>> 38: 0x12480828a861 <JSFunction ArrayBuffer (sfi =
>>>> 0x1248080f9185)>
>>>> 39: 0x12480828a8b1 <Map[68](HOLEY_ELEMENTS)>
>>>> 40: 0x12480828db81 <JSFunction
>>>> arrayBufferConstructor_DoNotInitialize (sfi = 0x1248080f9261)>
>>>> 41: 0x12480828ce75 <JSFunction Array (sfi = 0x1248080f529d)>
>>>> 42-43: 0x124808000069 <undefined>
>>>> 44: 0x12480828db9d <Map[20](HOLEY_ELEMENTS)>
>>>> 45: 0x12480828dd81 <JSFunction AsyncFunction (sfi =
>>>> 0x1248080fad31)>
>>>> 46: 0x12480828de8d <Map[44](HOLEY_ELEMENTS)>
>>>> 47: 0x12480828df1d <JSFunction AsyncGeneratorFunction (sfi =
>>>> 0x1248080facad)>
>>>> 48: 0x124808284c19 <JSFunction BigInt (sfi = 0x1248080fa441)>
>>>> 49: 0x1248082888c5 <JSFunction Boolean (sfi = 0x1248080f5c69)>
>>>> 50: 0x12480828e139 <Map[24](HOLEY_ELEMENTS)>
>>>> 51: 0x12480828e189 <Map[24](HOLEY_ELEMENTS)>
>>>> 52: 0x12480828e1d9 <JSFunction (sfi = 0x1248080fac55)>
>>>> 53: 0x12480828e1f5 <JSFunction (sfi = 0x1248080fac29)>
>>>> 54: 0x12480828e211 <JSFunction CallSite (sfi =
>>>> 0x1248080fad5d)>
>>>> 55: 0x12480828e6a1 <JSFunction (sfi = 0x12480820df21)>
>>>> 56: 0x12480828e765 <Map[28](HOLEY_ELEMENTS)>
>>>> 57: 0x124808288171 <JSFunction DataView (sfi =
>>>> 0x1248080f9e11)>
>>>> 58: 0x124808288db9 <JSFunction Date (sfi = 0x1248080f6769)>
>>>> 59: 0x124808000069 <undefined>
>>>> 60: 0x124808282b4d <JSFunction (sfi = 0x124808209569)>
>>>> 61-62: 0x124808000069 <undefined>
>>>> 63: 0
>>>> 64: 0x12480828e829 <Object map = 0x12480828e7cd>
>>>> 65: 0x12480828e87d <Map[20](FAST_SLOPPY_ARGUMENTS_ELEMENTS)>
>>>> 66: 0x12480828e955 <FixedArray[1024]>
>>>> 67: 0x124808282bf1 <JSFunction Function (sfi =
>>>> 0x1248080f5195)>
>>>> 68: 0x124808282b4d <JSFunction (sfi = 0x124808209569)>
>>>> 69: 0x1248082902b9 <JSFunction GeneratorFunction (sfi =
>>>> 0x1248080fac81)>
>>>> 70: 0x12480829056d <Map[12](HOLEY_ELEMENTS)>
>>>> 71: 0x124808290595 <Map[12](HOLEY_ELEMENTS)>
>>>> 72: 0x1248082905bd <Map[24](HOLEY_ELEMENTS)>
>>>> 73: 0x124808290651 <Object map = 0x1248082905e5>
>>>> 74: 0x12480828d17d <JSArray[0]>
>>>> 75: 0x124808285471 <Object map = 0x1248082853ed>
>>>> 76: 0x1248082904b5 <Object map = 0x1248082903a9>
>>>> 77: 0x12480828dc31 <Object map = 0x12480828dbed>
>>>> 78: 0x12480828e081 <Object map = 0x12480828e00d>
>>>> 79: 0x124808290431 <Object map = 0x1248082903d1>
>>>> 80: 0x124808290715 <Object map = 0x1248082906a9>
>>>> 81: 0x124808284ecd <Map[28](HOLEY_ELEMENTS)>
>>>> 82: 0x12480828336d <Object map = 0x1248082829a9>
>>>> 83: 0x1248082907b9 <Object map = 0x12480829074d>
>>>> 84: 0x124808287fe9 <Object map = 0x124808287edd>
>>>> 85: 0x124808287edd <Map[28](HOLEY_ELEMENTS)>
>>>> 86: 0x1248082907f1 <Map[20](HOLEY_ELEMENTS)>
>>>> 87: 0x124808290885 <Object map = 0x124808290819>
>>>> 88: 0x124808287755 <Object map = 0x1248082874a1 value =
>>>> 0x1248080000a1 <String[0]: #>>
>>>> 89: 0x124808287209 <Map[28](HOLEY_ELEMENTS)>
>>>> 90: 0x124808284905 <Map[28](HOLEY_ELEMENTS)>
>>>> 91: 0x12480828b4b5 <JSFunction Collator (sfi =
>>>> 0x1248080f8761)>
>>>> 92: 0x12480828c825 <JSFunction DateTimeFormat (sfi =
>>>> 0x1248080f84f9)>
>>>> 93: 0x12480828c465 <JSFunction DisplayNames (sfi =
>>>> 0x1248080f8fa1)>
>>>> 94: 0x124808000069 <undefined>
>>>> 95: 0x12480828b259 <JSFunction NumberFormat (sfi =
>>>> 0x1248080f862d)>
>>>> 96: 0x12480828bf0d <JSFunction Locale (sfi = 0x1248080f8c05)>
>>>> 97: 0x12480828bd19 <JSFunction ListFormat (sfi =
>>>> 0x1248080f8b29)>
>>>> 98: 0x12480828b919 <JSFunction PluralRules (sfi =
>>>> 0x1248080f8971)>
>>>> 99: 0x12480828bb19 <JSFunction RelativeTimeFormat (sfi =
>>>> 0x1248080f8a4d)>
>>>> 100: 0x12480828c629 <JSFunction Segmenter (sfi =
>>>> 0x1248080f9051)>
>>>> 101: 0x1248082908dd <Map[28](HOLEY_ELEMENTS)>
>>>> 102: 0x1248082909e5 <Map[28](HOLEY_ELEMENTS)>
>>>> 103-109: 0x124808000069 <undefined>
>>>> 110: 0x124808290ad1 <Map[20](HOLEY_ELEMENTS)>
>>>> 111: 0x12480828cf09 <Map[16](PACKED_SMI_ELEMENTS)>
>>>> 112: 0x12480828d7c9 <Map[16](HOLEY_SMI_ELEMENTS)>
>>>> 113: 0x12480828d889 <Map[16](PACKED_ELEMENTS)>
>>>> 114: 0x12480828d8c9 <Map[16](HOLEY_ELEMENTS)>
>>>> 115: 0x12480828d809 <Map[16](PACKED_DOUBLE_ELEMENTS)>
>>>> 116: 0x12480828d849 <Map[16](HOLEY_DOUBLE_ELEMENTS)>
>>>> 117: 0x124808290b71 <Map[28](PACKED_FROZEN_ELEMENTS)>
>>>> 118: 0x124808284e71 <JSFunction Map (sfi = 0x1248080fa231)>
>>>> 119: 0x124808284ea5 <Map[16](HOLEY_ELEMENTS)>
>>>> 120: 0x124808290bd9 <Map[20](HOLEY_ELEMENTS)>
>>>> 121: 0x124808000069 <undefined>
>>>> 122: 0x124808287e81 <JSFunction Set (sfi = 0x1248080fa549)>
>>>> 123: 0x124808287eb5 <Map[16](HOLEY_ELEMENTS)>
>>>> 124: 0x1248082871ad <JSFunction WeakMap (sfi = 0x1248080fa701)>
>>>> 125: 0x1248082848a9 <JSFunction WeakSet (sfi = 0x1248080fa7dd)>
>>>> 126: 0x12480828870d <JSFunction WeakRef (sfi = 0x1248080fabd1)>
>>>> 127: 0x12480828cab9 <JSFunction FinalizationRegistry (sfi =
>>>> 0x1248080fab21)>
>>>> 128-137: 0x124808000069 <undefined>
>>>> 138: 0x1248082847d9 <Object map = 0x12480828477d>
>>>> 139-142: 0x124808000069 <undefined>
>>>> 143: 0x12480828247d <MetaMap (0x1248082824cd
>>>> <NativeContext[287]>)>
>>>> 144: 0x124808290c1d <Map(FUNCTION_CONTEXT_TYPE)>
>>>> 145: 0x124808290c45 <Map(MODULE_CONTEXT_TYPE)>
>>>> 146: 0x124808290c6d <Map(EVAL_CONTEXT_TYPE)>
>>>> 147: 0x124808290c95 <Map(SCRIPT_CONTEXT_TYPE)>
>>>> 148: 0x124808290cbd <Map(AWAIT_CONTEXT_TYPE)>
>>>> 149: 0x124808290ce5 <Map(BLOCK_CONTEXT_TYPE)>
>>>> 150: 0x124808290d0d <Map(CATCH_CONTEXT_TYPE)>
>>>> 151: 0x124808290d35 <Map(WITH_CONTEXT_TYPE)>
>>>> 152: 0x124808290d5d <Map(DEBUG_EVALUATE_CONTEXT_TYPE)>
>>>> 153: 0x124808290d85 <Map[60](HOLEY_ELEMENTS)>
>>>> 154: 0x124808290dad <Other heap object (WEAK_FIXED_ARRAY_TYPE)>
>>>> 155: 0x124808290fb5 <Map[20](HOLEY_ELEMENTS)>
>>>> 156: 0x124808290ffd <Map[20](HOLEY_ELEMENTS)>
>>>> 157: 0x124808291025 <Map[20](HOLEY_ELEMENTS)>
>>>> 158: 0
>>>> 159: 0x12480829104d <ByteArray[16]>
>>>> 160: 0x124808291065 <FixedDoubleArray[64]>
>>>> 161: 0x12480829126d <Other heap object (WEAK_FIXED_ARRAY_TYPE)>
>>>> 162: 0x12480828a511 <JSFunction Number (sfi = 0x1248080f5a2d)>
>>>> 163: 0x124808282eb1 <JSFunction Object (sfi = 0x1248080f4955)>
>>>> 164: 0x12480828336d <Object map = 0x1248082829a9>
>>>> 165: 0x1248082829a9 <Map[28](HOLEY_ELEMENTS)>
>>>> 166-169: 0x124808000069 <undefined>
>>>> 170: 0x124808291375 <Map[16](JS_PROXY_TYPE)>
>>>> 171: 0x12480829139d <Map[16](JS_PROXY_TYPE)>
>>>> 172: 0x124808289a45 <JSFunction Proxy (sfi = 0x1248080fa88d)>
>>>> 173: 0x1248082913c5 <Map[16](JS_PROXY_TYPE)>
>>>> 174: 0x1248082913ed <Map[20](HOLEY_ELEMENTS)>
>>>> 175: 0x12480828a019 <Object map = 0x124808289f89>
>>>> 176: 0x124808000069 <undefined>
>>>> 177: 0x124808286ec1 <JSFunction exec (sfi = 0x1248080f7211)>
>>>> 178: 0x124808286ae1 <JSFunction RegExp (sfi = 0x1248080f71e5)>
>>>> 179: 0x12480829143d <Other heap object
>>>> (REG_EXP_MATCH_INFO_TYPE)>
>>>> 180: 0x124808286e51 <JSFunction [Symbol.matchAll] (sfi =
>>>> 0x1248080f7479)>
>>>> 181: 0x124808286e35 <JSFunction [Symbol.match] (sfi =
>>>> 0x1248080f744d)>
>>>> 182: 0x124808286ddd <Object map = 0x124808286b3d>
>>>> 183: 0x124808286b3d <Map[28](HOLEY_ELEMENTS)>
>>>> 184: 0x124808286e6d <JSFunction [Symbol.replace] (sfi =
>>>> 0x1248080f74a5)>
>>>> 185: 0x124808291469 <Map[40](HOLEY_ELEMENTS)>
>>>> 186: 0x1248082914f5 <Map[44](HOLEY_ELEMENTS)>
>>>> 187: 0x12480829158d <Map[20](HOLEY_ELEMENTS)>
>>>> 188: 0x124808286e89 <JSFunction [Symbol.search] (sfi =
>>>> 0x1248080f74d1)>
>>>> 189: 0x124808286ea5 <JSFunction [Symbol.split] (sfi =
>>>> 0x1248080f74fd)>
>>>> 190: 0x1248082915dd <Map[24](HOLEY_ELEMENTS)>
>>>> 191: 0x1248082916c9 <ScriptContextTable[16]>
>>>> 192: 0x124808000069 <undefined>
>>>> 193: 0x12480820f2b5 <String[36]:
>>>> "d34eb7dc-8045-4301-930f-0cc982e1753e">
>>>> 194: 0x1248080006fd <FixedArray[0]>
>>>> 195: 0x124808291851 <Map[20](HOLEY_ELEMENTS)>
>>>> 196: 0x124808291899 <Map[20](HOLEY_ELEMENTS)>
>>>> 197: 0x12480829195d <JSFunction SharedArrayBuffer (sfi =
>>>> 0x1248080f928d)>
>>>> 198: 0x12480828e8c5 <Map[20](PACKED_ELEMENTS)>
>>>> 199: 0x124808291a9d <Map[20](SLOW_SLOPPY_ARGUMENTS_ELEMENTS)>
>>>> 200: 0x124808291af9 <Map[16](PACKED_ELEMENTS)>
>>>> 201: 0x124808291b61 <Map[12](HOLEY_ELEMENTS)>
>>>> 202: 0x124808291b89 <Map[12](HOLEY_ELEMENTS)>
>>>> 203: 0x124808291bb1 <SimpleNumberDictionary[1027]>
>>>> 204: 0x124808292bc5 <OrderedHashSet[13]>
>>>> 205: 0x1248080006fd <FixedArray[0]>
>>>> 206: 0x124808292c01 <PropertyCell name=0x1248080000a1
>>>> <String[0]: #> value=1>
>>>> 207: 0x124808282c25 <Map[32](HOLEY_ELEMENTS)>
>>>> 208: 0x124808292c15 <Map[36](HOLEY_ELEMENTS)>
>>>> 209: 0x124808292c89 <Map[28](HOLEY_ELEMENTS)>
>>>> 210: 0x12480828fb49 <Map[32](HOLEY_ELEMENTS)>
>>>> 211: 0x124808283505 <Map[32](HOLEY_ELEMENTS)>
>>>> 212: 0x124808292cf1 <Map[36](HOLEY_ELEMENTS)>
>>>> 213: 0x12480828328d <Map[32](HOLEY_ELEMENTS)>
>>>> 214: 0x124808282c99 <Map[28](HOLEY_ELEMENTS)>
>>>> 215: 0x124808292d4d <Map[32](HOLEY_ELEMENTS)>
>>>> 216: 0x12480828ddb5 <Map[28](HOLEY_ELEMENTS)>
>>>> 217: 0x124808292d9d <Map[32](HOLEY_ELEMENTS)>
>>>> 218: 0x1248082902ed <Map[32](HOLEY_ELEMENTS)>
>>>> 219: 0x124808292ded <Map[36](HOLEY_ELEMENTS)>
>>>> 220: 0x12480828df51 <Map[32](HOLEY_ELEMENTS)>
>>>> 221: 0x124808292e49 <Map[36](HOLEY_ELEMENTS)>
>>>> 222: 0x124808292ea5 <Map[32](HOLEY_ELEMENTS)>
>>>> 223: 0x1248082873e5 <JSFunction String (sfi = 0x1248080f5ced)>
>>>> 224: 0x1248082874a1 <Map[16](FAST_STRING_WRAPPER_ELEMENTS)>
>>>> 225: 0x1248082838f9 <JSFunction Symbol (sfi = 0x1248080f6635)>
>>>> 226: 0
>>>> 227: 0x124808293161 <WebAssembly map = 0x124808292ef5>
>>>> 228: 0x124808292c89 <Map[28](HOLEY_ELEMENTS)>
>>>> 229: 0x124808290071 <JSFunction Tag (sfi = 0x12480820e9f5)>
>>>> 230: 0x124808290125 <JSFunction Exception (sfi =
>>>> 0x12480820eabd)>
>>>> 231: 0x12480828ff45 <JSFunction Global (sfi = 0x12480820e7f1)>
>>>> 232: 0x12480828fbd9 <JSFunction Instance (sfi =
>>>> 0x12480820e2b5)>
>>>> 233: 0x1248082931b1 <Tag map = 0x124808290091>
>>>> 234: 0x12480828fe35 <JSFunction Memory (sfi = 0x12480820e655)>
>>>> 235: 0x12480828fa49 <JSFunction Module (sfi = 0x12480820e1e9)>
>>>> 236: 0x12480828fcc1 <JSFunction Table (sfi = 0x12480820e3e9)>
>>>> 237-238: 0x124808000069 <undefined>
>>>> 239: 0x124808283be9 <JSFunction TypedArray (sfi =
>>>> 0x1248080f9579)>
>>>> 240: 0x124808283f61 <Object map = 0x124808283c7d>
>>>> 241: 0x12480828d489 <JSFunction entries (sfi = 0x1248080f5715)>
>>>> 242: 0x12480828d4c1 <JSFunction forEach (sfi = 0x1248080f576d)>
>>>> 243: 0x12480828d46d <JSFunction keys (sfi = 0x1248080f56e9)>
>>>> 244: 0x12480828d4a5 <JSFunction values (sfi = 0x1248080f5741)>
>>>> 245: 0x124808285375 <JSFunction Error (sfi = 0x1248080f7c09)>
>>>> 246: 0x12480828548d <JSFunction toString (sfi =
>>>> 0x1248080f7c61)>
>>>> 247: 0x124808288bf5 <JSFunction EvalError (sfi =
>>>> 0x1248080f7cb9)>
>>>> 248: 0x124808286fdd <JSFunction AggregateError (sfi =
>>>> 0x1248080f7c8d)>
>>>> 249: 0x124808289aa5 <JSFunction eval (sfi = 0x1248080fb259)>
>>>> 250: 0x124808286411 <JSFunction parseFloat (sfi =
>>>> 0x1248080f5c11)>
>>>> 251: 0x12480828882d <JSFunction parseInt (sfi =
>>>> 0x1248080f5c3d)>
>>>> 252: 0x124808293735 <JSFunction (sfi = 0x124808293709)>
>>>> 253: 0x124808285049 <JSFunction delete (sfi = 0x1248080fa2e1)>
>>>> 254: 0x1248082850f1 <JSFunction get (sfi = 0x1248080fa25d)>
>>>> 255: 0x12480828502d <JSFunction has (sfi = 0x1248080fa2b5)>
>>>> 256: 0x12480828510d <JSFunction set (sfi = 0x1248080fa289)>
>>>> 257: 0x1248082935f1 <JSFunction cleanupSome (sfi =
>>>> 0x1248080faba5)>
>>>> 258: 0x124808282d59 <JSFunction [Symbol.hasInstance] (sfi =
>>>> 0x1248080f5271)>
>>>> 259: 0x124808282d3d <JSFunction toString (sfi =
>>>> 0x1248080f5245)>
>>>> 260: 0x124808283425 <JSFunction toString (sfi =
>>>> 0x1248080f50b9)>
>>>> 261: 0x124808283441 <JSFunction valueOf (sfi = 0x1248080f50e5)>
>>>> 262: 0x124808289eb9 <JSFunction all (sfi = 0x1248080f7059)>
>>>> 263: 0x124808289ed5 <JSFunction allSettled (sfi =
>>>> 0x1248080f7085)>
>>>> 264: 0x124808289ef1 <JSFunction any (sfi = 0x1248080f70b1)>
>>>> 265: 0x124808289e6d <JSFunction Promise (sfi = 0x1248080f7001)>
>>>> 266: 0x12480828a12d <JSFunction RangeError (sfi =
>>>> 0x1248080f7ce5)>
>>>> 267: 0x124808288a55 <JSFunction ReferenceError (sfi =
>>>> 0x1248080f7d11)>
>>>> 268: 0x1248082880d9 <JSFunction add (sfi = 0x1248080fa5a1)>
>>>> 269: 0x124808288031 <JSFunction delete (sfi = 0x1248080fa5cd)>
>>>> 270: 0x1248082880bd <JSFunction has (sfi = 0x1248080fa575)>
>>>> 271-272: 0x124808000069 <undefined>
>>>> 273: 0x12480828cc7d <JSFunction SyntaxError (sfi =
>>>> 0x1248080f7d3d)>
>>>> 274: 0x124808285bdd <JSFunction TypeError (sfi =
>>>> 0x1248080f7d69)>
>>>> 275: 0x12480828551d <JSFunction URIError (sfi =
>>>> 0x1248080f7d95)>
>>>> 276: 0x1248082931dd <JSFunction CompileError (sfi =
>>>> 0x1248080f7dc1)>
>>>> 277: 0x124808293301 <JSFunction LinkError (sfi =
>>>> 0x1248080f7ded)>
>>>> 278: 0x124808293425 <JSFunction RuntimeError (sfi =
>>>> 0x1248080f7e19)>
>>>> 279: 0x124808287329 <JSFunction set (sfi = 0x1248080fa785)>
>>>> 280: 0x12480828730d <JSFunction get (sfi = 0x1248080fa759)>
>>>> 281: 0x1248082872f1 <JSFunction delete (sfi = 0x1248080fa72d)>
>>>> 282: 0x1248082849fd <JSFunction add (sfi = 0x1248080fa861)>
>>>> 283: 0x124808000069 <undefined>
>>>> 284: 0x12480800070d <Other heap object (WEAK_ARRAY_LIST_TYPE)>
>>>> 285-286: 0x124808000069 <undefined>
>>>> - microtask_queue: 0x138005990
>>>>
>>>> global handle not serialized: 0x12480820f2fd: [[api object] 0] in
>>>> OldSpace
>>>> - map: 0x124808294315 <Map[28](HOLEY_ELEMENTS)> [FastProperties]
>>>> - prototype: 0x12480820f171 <Object map = 0x124808294381>
>>>> - elements: 0x1248080006fd <FixedArray[0]> [HOLEY_ELEMENTS]
>>>> - embedder fields: 2
>>>> - properties: 0x1248080006fd <FixedArray[0]>
>>>> - All own properties (excluding elements): {
>>>> 0x124808000ddd: [String] in ReadOnlySpace: #value: 0x124808294309
>>>> <AccessorPair> (const accessor descriptor), location: descriptor
>>>> }
>>>> - embedder fields = {
>>>> 45850764, aligned pointer: 0x105774118
>>>> 469786088, aligned pointer: 0x13800bbd0
>>>> }
>>>> Thanks for any pointers
>>>>
>>>> --
>>>> --
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>>>>
>>>> <https://groups.google.com/d/msgid/v8-dev/fd563308-f895-4b47-8493-b38084840b52n%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>> .
>>>>
>>>
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