--- /dev/null	2017-03-07 11:44:12.271151064 +0100
+++ new/src/share/vm/gc/shared/modRefBarrierSet.cpp	2017-04-25 16:46:35.479170996 +0200
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "gc/shared/modRefBarrierSet.inline.hpp"
+#include "gc/shared/collectedHeap.hpp"
+#include "memory/universe.hpp"
+#include "oops/klass.hpp"
+#include "oops/objArrayKlass.inline.hpp"
+
+// count is number of array elements being written
+void ModRefBarrierSet::static_write_ref_array_pre(HeapWord* start, size_t count) {
+  assert(count <= (size_t)max_intx, "count too large");
+  ModRefBarrierSet *bs = barrier_set_cast<ModRefBarrierSet>(Universe::heap()->barrier_set());
+  if (UseCompressedOops) {
+    bs->write_ref_array_pre((narrowOop*)start, (int)count, false);
+  } else {
+    bs->write_ref_array_pre(      (oop*)start, (int)count, false);
+  }
+}
+
+// count is number of array elements being written
+void ModRefBarrierSet::static_write_ref_array_post(HeapWord* start, size_t count) {
+  // simply delegate to instance method
+  ModRefBarrierSet *bs = barrier_set_cast<ModRefBarrierSet>(Universe::heap()->barrier_set());
+  bs->write_ref_array(start, count);
+}
+
+void ModRefBarrierSet::klass_update_barrier_set(Klass* klass, oop* p, oop v) {
+  klass->record_modified_oops();
+}
+
+Klass* ModRefBarrierSet::bound_for_array(oop obj) {
+  return ObjArrayKlass::cast(obj->klass())->element_klass();
+}
+
+bool ModRefBarrierSet::is_bounded_by(oop obj, Klass* klass) {
+  return obj->klass()->is_subtype_of(klass);
+}