Revert 21502 - "Move OS::MemCopy and OS::MemMove out of platform to utils"

src/isolate.cc

 // Copyright 2012 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 <stdlib.h>
 
 #include "v8.h"
 
 #include "ast.h"
 #include "bootstrapper.h"
@@ skipping 1325 matching lines @@
     }
   }
   if (it.done()) return Handle<Context>::null();
   JavaScriptFrame* frame = it.frame();
   Context* context = Context::cast(frame->context());
   return Handle<Context>(context->native_context());
 }
 
 
 char* Isolate::ArchiveThread(char* to) {
-  MemCopy(to, reinterpret_cast<char*>(thread_local_top()),
-          sizeof(ThreadLocalTop));
+  OS::MemCopy(to, reinterpret_cast<char*>(thread_local_top()),
+              sizeof(ThreadLocalTop));
   InitializeThreadLocal();
   clear_pending_exception();
   clear_pending_message();
   clear_scheduled_exception();
   return to + sizeof(ThreadLocalTop);
 }
 
 
 char* Isolate::RestoreThread(char* from) {
-  MemCopy(reinterpret_cast<char*>(thread_local_top()), from,
-          sizeof(ThreadLocalTop));
-// This might be just paranoia, but it seems to be needed in case a
-// thread_local_top_ is restored on a separate OS thread.
+  OS::MemCopy(reinterpret_cast<char*>(thread_local_top()), from,
+              sizeof(ThreadLocalTop));
+  // This might be just paranoia, but it seems to be needed in case a
+  // thread_local_top_ is restored on a separate OS thread.
 #ifdef USE_SIMULATOR
   thread_local_top()->simulator_ = Simulator::current(this);
 #endif
   ASSERT(context() == NULL || context()->IsContext());
   return from + sizeof(ThreadLocalTop);
 }
 
 
 Isolate::ThreadDataTable::ThreadDataTable()
     : list_(NULL) {
@@ skipping 937 matching lines @@
       Execution::Call(this, microtask, factory()->undefined_value(),
                       0, NULL).Check();
     }
   }
 
   handle_scope_implementer()->DecrementCallDepth();
 }
 
 
 } }  // namespace v8::internal