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             : 
       7             : #include "src/isolate.h"
       8             : #include "src/objects/embedder-data-array-inl.h"
       9             : 
      10             : namespace v8 {
      11             : namespace internal {
      12             : 
      13             : // static
      14       60565 : Handle<EmbedderDataArray> EmbedderDataArray::EnsureCapacity(
      15             :     Isolate* isolate, Handle<EmbedderDataArray> array, int index) {
      16       60565 :   if (index < array->length()) return array;
      17             :   DCHECK_LT(index, kMaxLength);
      18             :   Handle<EmbedderDataArray> new_array =
      19       60565 :       isolate->factory()->NewEmbedderDataArray(index + 1);
      20             :   DisallowHeapAllocation no_gc;
      21             :   // Last new space allocation does not require any write barriers.
      22       60565 :   size_t size = array->length() * kEmbedderDataSlotSize;
      23      121130 :   MemCopy(reinterpret_cast<void*>(new_array->slots_start()),
      24             :           reinterpret_cast<void*>(array->slots_start()), size);
      25       60565 :   return new_array;
      26             : }
      27             : 
      28             : }  // namespace internal
      29      120216 : }  // namespace v8