Implement xorshift128+ for Math.random.

src/bootstrapper.cc

 // Copyright 2014 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 "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
@@ skipping 1711 matching lines @@
     return Handle<JSObject>(JSObject::cast(function->prototype()));
   }
   Handle<String> inner_string = factory->InternalizeUtf8String(inner);
   DCHECK(!inner_string.is_null());
   Handle<Object> value =
       Object::GetProperty(object, inner_string).ToHandleChecked();
   return Handle<JSObject>::cast(value);
 }
 
 
-template <typename Data>
-Handle<JSTypedArray> CreateTypedArray(Isolate* isolate, ExternalArrayType type,
-                                      size_t num_elements, Data** data) {
-  size_t byte_length = num_elements * sizeof(**data);
-  Handle<JSArrayBuffer> buffer =
-      isolate->factory()->NewJSArrayBuffer(SharedFlag::kNotShared, TENURED);
-  bool is_external = (*data != nullptr);
-  if (!is_external) {
-    *data = reinterpret_cast<Data*>(
-        isolate->array_buffer_allocator()->Allocate(byte_length));
-  }
-  JSArrayBuffer::Setup(buffer, isolate, is_external, *data, byte_length,
-                       SharedFlag::kNotShared);
-  return isolate->factory()->NewJSTypedArray(type, buffer, 0, num_elements,
-                                             TENURED);
-}
-
-
 void Genesis::ConfigureUtilsObject(ContextType context_type) {
   switch (context_type) {
     // We still need the utils object to find debug functions.
     case DEBUG_CONTEXT:
       return;
     // Expose the natives in global if a valid name for it is specified.
     case FULL_CONTEXT: {
       // We still need the utils object after deserialization.
       if (isolate()->serializer_enabled()) return;
       if (FLAG_expose_natives_as == NULL) break;
@@ skipping 1517 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8