WIP SharedArrayBuffer implementation

src/objects.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <iomanip>
 #include <sstream>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 1567 matching lines @@
     case JS_OBJECT_TYPE:
     case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
     case JS_GENERATOR_OBJECT_TYPE:
     case JS_MODULE_TYPE:
     case JS_VALUE_TYPE:
     case JS_DATE_TYPE:
     case JS_ARRAY_TYPE:
     case JS_ARRAY_BUFFER_TYPE:
     case JS_TYPED_ARRAY_TYPE:
     case JS_DATA_VIEW_TYPE:
+    case JS_SHARED_ARRAY_BUFFER_TYPE:
+    case JS_SHARED_TYPED_ARRAY_TYPE:
     case JS_SET_TYPE:
     case JS_MAP_TYPE:
     case JS_SET_ITERATOR_TYPE:
     case JS_MAP_ITERATOR_TYPE:
     case JS_WEAK_MAP_TYPE:
     case JS_WEAK_SET_TYPE:
     case JS_REGEXP_TYPE:
     case JS_GLOBAL_PROXY_TYPE:
     case JS_GLOBAL_OBJECT_TYPE:
     case JS_BUILTINS_OBJECT_TYPE:
@@ skipping 15292 matching lines @@
   DCHECK(IsFixedTypedArrayElementsKind(map->elements_kind()));
 
   Handle<Map> new_map = Map::TransitionElementsTo(
           map,
           FixedToExternalElementsKind(map->elements_kind()));
 
   Handle<JSArrayBuffer> buffer = isolate->factory()->NewJSArrayBuffer();
   Handle<FixedTypedArrayBase> fixed_typed_array(
       FixedTypedArrayBase::cast(typed_array->elements()));
   Runtime::SetupArrayBufferAllocatingData(isolate, buffer,
-      fixed_typed_array->DataSize(), false);
+                                          fixed_typed_array->DataSize(), false,
+                                          typed_array->is_shared());
   memcpy(buffer->backing_store(),
          fixed_typed_array->DataPtr(),
          fixed_typed_array->DataSize());
   Handle<ExternalArray> new_elements =
       isolate->factory()->NewExternalArray(
           fixed_typed_array->length(), typed_array->type(),
           static_cast<uint8_t*>(buffer->backing_store()));
 
   Heap* heap = isolate->heap();
   if (heap->InNewSpace(*typed_array)) {
@@ skipping 135 matching lines @@
                                                CompilationInfo* info) {
   Handle<DependentCode> codes = DependentCode::InsertCompilationInfo(
       handle(cell->dependent_code(), info->isolate()),
       DependentCode::kPropertyCellChangedGroup, info->object_wrapper());
   if (*codes != cell->dependent_code()) cell->set_dependent_code(*codes);
   info->dependencies(DependentCode::kPropertyCellChangedGroup)->Add(
       cell, info->zone());
 }
 
 } }  // namespace v8::internal