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GeezerVison is showing github.com — deps: V8: make V8 9.5 ABI-compatible with 9.6 · nodejs/node@795108a

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  • common.gypi
  • deps/v8
    • include
      • v8-callbacks.h
      • v8-internal.h
      • v8-isolate.h
      • v8-platform.h
    • src
      • api
        • api.cc
      • builtins
        • builtins-definitions.h
        • builtins.cc
        • builtins.h
      • codegen
        • arm64
          • macro-assembler-arm64.cc
        • arm
          • assembler-arm.h
          • macro-assembler-arm.cc
        • ia32
          • macro-assembler-ia32.cc
        • loong64
          • macro-assembler-loong64.cc
        • mips64
          • macro-assembler-mips64.cc
        • mips
          • macro-assembler-mips.cc
        • ppc
          • macro-assembler-ppc.cc
          • macro-assembler-ppc.h
        • riscv64
          • macro-assembler-riscv64.cc
        • s390
          • macro-assembler-s390.cc
          • macro-assembler-s390.h
        • turbo-assembler.cc
        • x64
          • macro-assembler-x64.cc
      • compiler
        • wasm-compiler.cc
      • deoptimizer
        • arm
          • deoptimizer-arm.cc
        • ppc
          • deoptimizer-ppc.cc
        • riscv64
          • deoptimizer-riscv64.cc
        • s390
          • deoptimizer-s390.cc
        • x64
          • deoptimizer-x64.cc
      • diagnostics
        • disassembler.cc
      • execution
        • frames.cc
        • isolate-data.h
        • isolate.cc
        • isolate.h
      • handles
        • handles.cc
      • heap
        • heap.cc
        • heap.h
      • utils
        • allocation.cc
        • allocation.h
        • utils.h
      • zone
        • accounting-allocator.cc
        • accounting-allocator.h

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‎common.gypi‎

Copy file name to clipboardExpand all lines: common.gypi
+1-1Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -36,7 +36,7 @@
3636

3737
# Reset this number to 0 on major V8 upgrades.
3838
# Increment by one for each non-official patch applied to deps/v8.
39-
'v8_embedder_string': '-node.11',
39+
'v8_embedder_string': '-node.12',
4040

4141
##### V8 defaults for Node.js #####
4242

Collapse file

‎deps/v8/include/v8-callbacks.h‎

Copy file name to clipboardExpand all lines: deps/v8/include/v8-callbacks.h
-25Lines changed: 0 additions & 25 deletions
Original file line numberDiff line numberDiff line change
@@ -210,31 +210,6 @@ using CreateHistogramCallback = void* (*)(const char* name, int min, int max,
210210

211211
using AddHistogramSampleCallback = void (*)(void* histogram, int sample);
212212

213-
/**
214-
* HostImportModuleDynamicallyCallback is called when we require the
215-
* embedder to load a module. This is used as part of the dynamic
216-
* import syntax.
217-
*
218-
* The referrer contains metadata about the script/module that calls
219-
* import.
220-
*
221-
* The specifier is the name of the module that should be imported.
222-
*
223-
* The embedder must compile, instantiate, evaluate the Module, and
224-
* obtain its namespace object.
225-
*
226-
* The Promise returned from this function is forwarded to userland
227-
* JavaScript. The embedder must resolve this promise with the module
228-
* namespace object. In case of an exception, the embedder must reject
229-
* this promise with the exception. If the promise creation itself
230-
* fails (e.g. due to stack overflow), the embedder must propagate
231-
* that exception by returning an empty MaybeLocal.
232-
*/
233-
using HostImportModuleDynamicallyCallback =
234-
MaybeLocal<Promise> (*)(Local<Context> context,
235-
Local<ScriptOrModule> referrer,
236-
Local<String> specifier);
237-
238213
// --- Exceptions ---
239214

240215
using FatalErrorCallback = void (*)(const char* location, const char* message);
Collapse file

‎deps/v8/include/v8-internal.h‎

Copy file name to clipboardExpand all lines: deps/v8/include/v8-internal.h
+15-8Lines changed: 15 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -224,23 +224,30 @@ class Internals {
224224
static const int kExternalOneByteRepresentationTag = 0x0a;
225225

226226
static const uint32_t kNumIsolateDataSlots = 4;
227+
static const int kStackGuardSize = 7 * kApiSystemPointerSize;
228+
static const int kBuiltinTier0EntryTableSize = 13 * kApiSystemPointerSize;
229+
static const int kBuiltinTier0TableSize = 13 * kApiSystemPointerSize;
227230

228231
// IsolateData layout guarantees.
229-
static const int kIsolateEmbedderDataOffset = 0;
232+
static const int kIsolateCageBaseOffset = 0;
233+
static const int kIsolateStackGuardOffset =
234+
kIsolateCageBaseOffset + kApiSystemPointerSize;
235+
static const int kBuiltinTier0EntryTableOffset =
236+
kIsolateStackGuardOffset + kStackGuardSize;
237+
static const int kBuiltinTier0TableOffset =
238+
kBuiltinTier0EntryTableOffset + kBuiltinTier0EntryTableSize;
239+
static const int kIsolateEmbedderDataOffset =
240+
kBuiltinTier0TableOffset + kBuiltinTier0TableSize;
230241
static const int kIsolateFastCCallCallerFpOffset =
231-
kNumIsolateDataSlots * kApiSystemPointerSize;
242+
kIsolateEmbedderDataOffset + kNumIsolateDataSlots * kApiSystemPointerSize;
232243
static const int kIsolateFastCCallCallerPcOffset =
233244
kIsolateFastCCallCallerFpOffset + kApiSystemPointerSize;
234245
static const int kIsolateFastApiCallTargetOffset =
235246
kIsolateFastCCallCallerPcOffset + kApiSystemPointerSize;
236-
static const int kIsolateCageBaseOffset =
237-
kIsolateFastApiCallTargetOffset + kApiSystemPointerSize;
238247
static const int kIsolateLongTaskStatsCounterOffset =
239-
kIsolateCageBaseOffset + kApiSystemPointerSize;
240-
static const int kIsolateStackGuardOffset =
241-
kIsolateLongTaskStatsCounterOffset + kApiSizetSize;
248+
kIsolateFastApiCallTargetOffset + kApiSystemPointerSize;
242249
static const int kIsolateRootsOffset =
243-
kIsolateStackGuardOffset + 7 * kApiSystemPointerSize;
250+
kIsolateLongTaskStatsCounterOffset + kApiSizetSize;
244251

245252
static const int kExternalPointerTableBufferOffset = 0;
246253
static const int kExternalPointerTableLengthOffset =
Collapse file

‎deps/v8/include/v8-isolate.h‎

Copy file name to clipboardExpand all lines: deps/v8/include/v8-isolate.h
-10Lines changed: 0 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -613,16 +613,6 @@ class V8_EXPORT Isolate {
613613
void SetAbortOnUncaughtExceptionCallback(
614614
AbortOnUncaughtExceptionCallback callback);
615615

616-
/**
617-
* This specifies the callback called by the upcoming dynamic
618-
* import() language feature to load modules.
619-
*/
620-
V8_DEPRECATED(
621-
"Use the version of SetHostImportModuleDynamicallyCallback that takes a "
622-
"HostImportModuleDynamicallyWithImportAssertionsCallback instead")
623-
void SetHostImportModuleDynamicallyCallback(
624-
HostImportModuleDynamicallyCallback callback);
625-
626616
/**
627617
* This specifies the callback called by the upcoming dynamic
628618
* import() language feature to load modules.
Collapse file

‎deps/v8/include/v8-platform.h‎

Copy file name to clipboardExpand all lines: deps/v8/include/v8-platform.h
+20Lines changed: 20 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -516,6 +516,18 @@ class PageAllocator {
516516
virtual bool CanAllocateSharedPages() { return false; }
517517
};
518518

519+
/**
520+
* V8 Allocator used for allocating zone backings.
521+
*/
522+
class ZoneBackingAllocator {
523+
public:
524+
using MallocFn = void* (*)(size_t);
525+
using FreeFn = void (*)(void*);
526+
527+
virtual MallocFn GetMallocFn() const { return ::malloc; }
528+
virtual FreeFn GetFreeFn() const { return ::free; }
529+
};
530+
519531
/**
520532
* V8 Platform abstraction layer.
521533
*
@@ -534,6 +546,14 @@ class Platform {
534546
return nullptr;
535547
}
536548

549+
/**
550+
* Allows the embedder to specify a custom allocator used for zones.
551+
*/
552+
virtual ZoneBackingAllocator* GetZoneBackingAllocator() {
553+
static ZoneBackingAllocator default_allocator;
554+
return &default_allocator;
555+
}
556+
537557
/**
538558
* Enables the embedder to respond in cases where V8 can't allocate large
539559
* blocks of memory. V8 retries the failed allocation once after calling this
Collapse file

‎deps/v8/src/api/api.cc‎

Copy file name to clipboardExpand all lines: deps/v8/src/api/api.cc
-6Lines changed: 0 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -8544,12 +8544,6 @@ void Isolate::SetAbortOnUncaughtExceptionCallback(
85448544
isolate->SetAbortOnUncaughtExceptionCallback(callback);
85458545
}
85468546

8547-
void Isolate::SetHostImportModuleDynamicallyCallback(
8548-
i::Isolate::DeprecatedHostImportModuleDynamicallyCallback callback) {
8549-
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
8550-
isolate->SetHostImportModuleDynamicallyCallback(callback);
8551-
}
8552-
85538547
void Isolate::SetHostImportModuleDynamicallyCallback(
85548548
HostImportModuleDynamicallyWithImportAssertionsCallback callback) {
85558549
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
Collapse file

‎deps/v8/src/builtins/builtins-definitions.h‎

Copy file name to clipboardExpand all lines: deps/v8/src/builtins/builtins-definitions.h
+50-21Lines changed: 50 additions & 21 deletions
Original file line numberDiff line numberDiff line change
@@ -31,16 +31,40 @@ namespace internal {
3131
// TODO(jgruber): Remove DummyDescriptor once all ASM builtins have been
3232
// properly associated with their descriptor.
3333

34-
#define BUILTIN_LIST_BASE(CPP, TFJ, TFC, TFS, TFH, ASM) \
35-
/* GC write barrirer */ \
36-
TFC(RecordWriteEmitRememberedSetSaveFP, WriteBarrier) \
37-
TFC(RecordWriteOmitRememberedSetSaveFP, WriteBarrier) \
38-
TFC(RecordWriteEmitRememberedSetIgnoreFP, WriteBarrier) \
39-
TFC(RecordWriteOmitRememberedSetIgnoreFP, WriteBarrier) \
40-
TFC(EphemeronKeyBarrierSaveFP, WriteBarrier) \
41-
TFC(EphemeronKeyBarrierIgnoreFP, WriteBarrier) \
42-
\
43-
/* TSAN support for stores in generated code.*/ \
34+
// Builtins are additionally split into tiers, where the tier determines the
35+
// distance of the builtins table from the root register within IsolateData.
36+
//
37+
// - Tier 0 (T0) are guaranteed to be close to the root register and can thus
38+
// be accessed efficiently root-relative calls (so not, e.g., calls from
39+
// generated code when short-builtin-calls is on).
40+
// - T1 builtins have no distance guarantees.
41+
//
42+
// Note, this mechanism works only if the set of T0 builtins is kept as small
43+
// as possible. Please, resist the temptation to add your builtin here unless
44+
// there's a very good reason.
45+
#define BUILTIN_LIST_BASE_TIER0(CPP, TFJ, TFC, TFS, TFH, ASM) \
46+
/* Deoptimization entries. */ \
47+
ASM(DeoptimizationEntry_Eager, DeoptimizationEntry) \
48+
ASM(DeoptimizationEntry_Soft, DeoptimizationEntry) \
49+
ASM(DeoptimizationEntry_Bailout, DeoptimizationEntry) \
50+
ASM(DeoptimizationEntry_Lazy, DeoptimizationEntry) \
51+
ASM(DynamicCheckMapsTrampoline, DynamicCheckMaps) \
52+
ASM(DynamicCheckMapsWithFeedbackVectorTrampoline, \
53+
DynamicCheckMapsWithFeedbackVector) \
54+
\
55+
/* GC write barrier. */ \
56+
TFC(RecordWriteEmitRememberedSetSaveFP, WriteBarrier) \
57+
TFC(RecordWriteOmitRememberedSetSaveFP, WriteBarrier) \
58+
TFC(RecordWriteEmitRememberedSetIgnoreFP, WriteBarrier) \
59+
TFC(RecordWriteOmitRememberedSetIgnoreFP, WriteBarrier) \
60+
TFC(EphemeronKeyBarrierSaveFP, WriteBarrier) \
61+
TFC(EphemeronKeyBarrierIgnoreFP, WriteBarrier) \
62+
\
63+
/* Adaptor for CPP builtins. */ \
64+
TFC(AdaptorWithBuiltinExitFrame, CppBuiltinAdaptor)
65+
66+
#define BUILTIN_LIST_BASE_TIER1(CPP, TFJ, TFC, TFS, TFH, ASM) \
67+
/* TSAN support for stores in generated code. */ \
4468
IF_TSAN(TFC, TSANRelaxedStore8IgnoreFP, TSANStore) \
4569
IF_TSAN(TFC, TSANRelaxedStore8SaveFP, TSANStore) \
4670
IF_TSAN(TFC, TSANRelaxedStore16IgnoreFP, TSANStore) \
@@ -58,15 +82,12 @@ namespace internal {
5882
IF_TSAN(TFC, TSANSeqCstStore64IgnoreFP, TSANStore) \
5983
IF_TSAN(TFC, TSANSeqCstStore64SaveFP, TSANStore) \
6084
\
61-
/* TSAN support for loads in generated code.*/ \
85+
/* TSAN support for loads in generated code. */ \
6286
IF_TSAN(TFC, TSANRelaxedLoad32IgnoreFP, TSANLoad) \
6387
IF_TSAN(TFC, TSANRelaxedLoad32SaveFP, TSANLoad) \
6488
IF_TSAN(TFC, TSANRelaxedLoad64IgnoreFP, TSANLoad) \
6589
IF_TSAN(TFC, TSANRelaxedLoad64SaveFP, TSANLoad) \
6690
\
67-
/* Adaptor for CPP builtin */ \
68-
TFC(AdaptorWithBuiltinExitFrame, CppBuiltinAdaptor) \
69-
\
7091
/* Calls */ \
7192
/* ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList) */ \
7293
ASM(CallFunction_ReceiverIsNullOrUndefined, CallTrampoline) \
@@ -187,10 +208,6 @@ namespace internal {
187208
TFC(CompileLazyDeoptimizedCode, JSTrampoline) \
188209
TFC(InstantiateAsmJs, JSTrampoline) \
189210
ASM(NotifyDeoptimized, Dummy) \
190-
ASM(DeoptimizationEntry_Eager, DeoptimizationEntry) \
191-
ASM(DeoptimizationEntry_Soft, DeoptimizationEntry) \
192-
ASM(DeoptimizationEntry_Bailout, DeoptimizationEntry) \
193-
ASM(DeoptimizationEntry_Lazy, DeoptimizationEntry) \
194211
\
195212
/* Trampolines called when returning from a deoptimization that expects */ \
196213
/* to continue in a JavaScript builtin to finish the functionality of a */ \
@@ -282,10 +299,7 @@ namespace internal {
282299
TFH(HasIndexedInterceptorIC, LoadWithVector) \
283300
\
284301
/* Dynamic check maps */ \
285-
ASM(DynamicCheckMapsTrampoline, DynamicCheckMaps) \
286302
TFC(DynamicCheckMaps, DynamicCheckMaps) \
287-
ASM(DynamicCheckMapsWithFeedbackVectorTrampoline, \
288-
DynamicCheckMapsWithFeedbackVector) \
289303
TFC(DynamicCheckMapsWithFeedbackVector, DynamicCheckMapsWithFeedbackVector) \
290304
\
291305
/* Microtask helpers */ \
@@ -1032,6 +1046,10 @@ namespace internal {
10321046
CPP(CallAsyncModuleFulfilled) \
10331047
CPP(CallAsyncModuleRejected)
10341048

1049+
#define BUILTIN_LIST_BASE(CPP, TFJ, TFC, TFS, TFH, ASM) \
1050+
BUILTIN_LIST_BASE_TIER0(CPP, TFJ, TFC, TFS, TFH, ASM) \
1051+
BUILTIN_LIST_BASE_TIER1(CPP, TFJ, TFC, TFS, TFH, ASM)
1052+
10351053
#ifdef V8_INTL_SUPPORT
10361054
#define BUILTIN_LIST_INTL(CPP, TFJ, TFS) \
10371055
/* ecma402 #sec-intl.collator */ \
@@ -1218,6 +1236,17 @@ namespace internal {
12181236
BUILTIN_LIST_INTL(CPP, TFJ, TFS) \
12191237
BUILTIN_LIST_BYTECODE_HANDLERS(BCH)
12201238

1239+
// See the comment on top of BUILTIN_LIST_BASE_TIER0 for an explanation of
1240+
// tiers.
1241+
#define BUILTIN_LIST_TIER0(CPP, TFJ, TFC, TFS, TFH, BCH, ASM) \
1242+
BUILTIN_LIST_BASE_TIER0(CPP, TFJ, TFC, TFS, TFH, ASM)
1243+
1244+
#define BUILTIN_LIST_TIER1(CPP, TFJ, TFC, TFS, TFH, BCH, ASM) \
1245+
BUILTIN_LIST_BASE_TIER1(CPP, TFJ, TFC, TFS, TFH, ASM) \
1246+
BUILTIN_LIST_FROM_TORQUE(CPP, TFJ, TFC, TFS, TFH, ASM) \
1247+
BUILTIN_LIST_INTL(CPP, TFJ, TFS) \
1248+
BUILTIN_LIST_BYTECODE_HANDLERS(BCH)
1249+
12211250
// The exception thrown in the following builtins are caught
12221251
// internally and result in a promise rejection.
12231252
#define BUILTIN_PROMISE_REJECTION_PREDICTION_LIST(V) \
Collapse file

‎deps/v8/src/builtins/builtins.cc‎

Copy file name to clipboardExpand all lines: deps/v8/src/builtins/builtins.cc
+25-19Lines changed: 25 additions & 19 deletions
Original file line numberDiff line numberDiff line change
@@ -92,7 +92,7 @@ BytecodeOffset Builtins::GetContinuationBytecodeOffset(Builtin builtin) {
9292
DCHECK(Builtins::KindOf(builtin) == TFJ || Builtins::KindOf(builtin) == TFC ||
9393
Builtins::KindOf(builtin) == TFS);
9494
return BytecodeOffset(BytecodeOffset::kFirstBuiltinContinuationId +
95-
static_cast<int>(builtin));
95+
ToInt(builtin));
9696
}
9797

9898
Builtin Builtins::GetBuiltinFromBytecodeOffset(BytecodeOffset id) {
@@ -182,7 +182,7 @@ Handle<Code> Builtins::code_handle(Builtin builtin) {
182182
// static
183183
int Builtins::GetStackParameterCount(Builtin builtin) {
184184
DCHECK(Builtins::KindOf(builtin) == TFJ);
185-
return builtin_metadata[static_cast<int>(builtin)].data.parameter_count;
185+
return builtin_metadata[ToInt(builtin)].data.parameter_count;
186186
}
187187

188188
// static
@@ -224,7 +224,7 @@ bool Builtins::HasJSLinkage(Builtin builtin) {
224224

225225
// static
226226
const char* Builtins::name(Builtin builtin) {
227-
int index = static_cast<int>(builtin);
227+
int index = ToInt(builtin);
228228
DCHECK(IsBuiltinId(index));
229229
return builtin_metadata[index].name;
230230
}
@@ -262,7 +262,7 @@ void Builtins::PrintBuiltinSize() {
262262
// static
263263
Address Builtins::CppEntryOf(Builtin builtin) {
264264
DCHECK(Builtins::IsCpp(builtin));
265-
return builtin_metadata[static_cast<int>(builtin)].data.cpp_entry;
265+
return builtin_metadata[ToInt(builtin)].data.cpp_entry;
266266
}
267267

268268
// static
@@ -292,18 +292,24 @@ bool Builtins::IsIsolateIndependentBuiltin(const Code code) {
292292
}
293293

294294
// static
295-
void Builtins::InitializeBuiltinEntryTable(Isolate* isolate) {
296-
EmbeddedData d = EmbeddedData::FromBlob(isolate);
297-
Address* builtin_entry_table = isolate->builtin_entry_table();
298-
for (Builtin builtin = Builtins::kFirst; builtin <= Builtins::kLast;
299-
++builtin) {
300-
// TODO(jgruber,chromium:1020986): Remove the CHECK once the linked issue is
301-
// resolved.
302-
CHECK(
303-
Builtins::IsBuiltinId(isolate->heap()->builtin(builtin).builtin_id()));
304-
DCHECK(isolate->heap()->builtin(builtin).is_off_heap_trampoline());
305-
builtin_entry_table[static_cast<int>(builtin)] =
306-
d.InstructionStartOfBuiltin(builtin);
295+
void Builtins::InitializeIsolateDataTables(Isolate* isolate) {
296+
EmbeddedData embedded_data = EmbeddedData::FromBlob(isolate);
297+
IsolateData* isolate_data = isolate->isolate_data();
298+
299+
// The entry table.
300+
for (Builtin i = Builtins::kFirst; i <= Builtins::kLast; ++i) {
301+
DCHECK(Builtins::IsBuiltinId(isolate->heap()->builtin(i).builtin_id()));
302+
DCHECK(isolate->heap()->builtin(i).is_off_heap_trampoline());
303+
isolate_data->builtin_entry_table()[ToInt(i)] =
304+
embedded_data.InstructionStartOfBuiltin(i);
305+
}
306+
307+
// T0 tables.
308+
for (Builtin i = Builtins::kFirst; i <= Builtins::kLastTier0; ++i) {
309+
const int ii = ToInt(i);
310+
isolate_data->builtin_tier0_entry_table()[ii] =
311+
isolate_data->builtin_entry_table()[ii];
312+
isolate_data->builtin_tier0_table()[ii] = isolate_data->builtin_table()[ii];
307313
}
308314
}
309315

@@ -314,10 +320,10 @@ void Builtins::EmitCodeCreateEvents(Isolate* isolate) {
314320
return; // No need to iterate the entire table in this case.
315321
}
316322

317-
Address* builtins = isolate->builtins_table();
323+
Address* builtins = isolate->builtin_table();
318324
int i = 0;
319325
HandleScope scope(isolate);
320-
for (; i < static_cast<int>(Builtin::kFirstBytecodeHandler); i++) {
326+
for (; i < ToInt(Builtin::kFirstBytecodeHandler); i++) {
321327
Handle<AbstractCode> code(AbstractCode::cast(Object(builtins[i])), isolate);
322328
PROFILE(isolate, CodeCreateEvent(CodeEventListener::BUILTIN_TAG, code,
323329
Builtins::name(FromInt(i))));
@@ -420,7 +426,7 @@ Handle<ByteArray> Builtins::GenerateOffHeapTrampolineRelocInfo(
420426

421427
Builtins::Kind Builtins::KindOf(Builtin builtin) {
422428
DCHECK(IsBuiltinId(builtin));
423-
return builtin_metadata[static_cast<int>(builtin)].kind;
429+
return builtin_metadata[ToInt(builtin)].kind;
424430
}
425431

426432
// static

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