Change ArrayBuffer API and implementation to use embedder-provided allocator.

src/runtime.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 645 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(external_isolate);
   HandleScope scope(isolate);
   Handle<Object> internal_object = Utils::OpenHandle(**object);
   Handle<JSArrayBuffer> array_buffer(JSArrayBuffer::cast(*internal_object));
 
   if (!array_buffer->is_external()) {
     size_t allocated_length = NumberToSize(
         isolate, array_buffer->byte_length());
     isolate->heap()->AdjustAmountOfExternalAllocatedMemory(
         -static_cast<intptr_t>(allocated_length));
-    free(data);
+    CHECK(V8::ArrayBufferAllocator() != NULL);
+    V8::ArrayBufferAllocator()->Free(data);
   }
   object->Dispose(external_isolate);
 }
 
 
 void Runtime::SetupArrayBuffer(Isolate* isolate,
                                Handle<JSArrayBuffer> array_buffer,
                                bool is_external,
                                void* data,
                                size_t allocated_length) {
@@ skipping 15 matching lines @@
   isolate->heap()->set_array_buffers_list(*array_buffer);
   array_buffer->set_weak_first_array(Smi::FromInt(0));
 }
 
 
 bool Runtime::SetupArrayBufferAllocatingData(
     Isolate* isolate,
     Handle<JSArrayBuffer> array_buffer,
     size_t allocated_length) {
   void* data;
+  CHECK(V8::ArrayBufferAllocator() != NULL);
   if (allocated_length != 0) {
-    data = malloc(allocated_length);
+    data = V8::ArrayBufferAllocator()->Allocate(allocated_length);
     if (data == NULL) return false;
     memset(data, 0, allocated_length);
   } else {
     data = NULL;
   }
 
   SetupArrayBuffer(isolate, array_buffer, false, data, allocated_length);
 
   v8::Isolate* external_isolate = reinterpret_cast<v8::Isolate*>(isolate);
   v8::Persistent<v8::Value> weak_handle(
@@ skipping 12919 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal