Line data    Source code

       1             : // Copyright 2018 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #include "src/objects/embedder-data-array.h"
       6             : #include "src/objects/embedder-data-array-inl.h"
       7             : 
       8             : namespace v8 {
       9             : namespace internal {
      10             : 
      11             : // static
      12       59074 : Handle<EmbedderDataArray> EmbedderDataArray::EnsureCapacity(
      13             :     Isolate* isolate, Handle<EmbedderDataArray> array, int index) {
      14      118148 :   if (index < array->length()) return array;
      15             :   DCHECK_LT(index, kMaxLength);
      16             :   Handle<EmbedderDataArray> new_array =
      17       59074 :       isolate->factory()->NewEmbedderDataArray(index + 1);
      18             :   DisallowHeapAllocation no_gc;
      19             :   // Last new space allocation does not require any write barriers.
      20      118148 :   size_t size = array->length() * kEmbedderDataSlotSize;
      21      118148 :   MemCopy(reinterpret_cast<void*>(new_array->slots_start()),
      22      236296 :           reinterpret_cast<void*>(array->slots_start()), size);
      23       59074 :   return new_array;
      24             : }
      25             : 
      26             : }  // namespace internal
      27      183867 : }  // namespace v8