--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/memory/iterator.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 1997, 2013, 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 "memory/iterator.inline.hpp"
+#include "memory/universe.hpp"
+#include "oops/oop.inline.hpp"
+#include "utilities/debug.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+void KlassToOopClosure::do_klass(Klass* k) {
+  assert(_oop_closure != NULL, "Not initialized?");
+  k->oops_do(_oop_closure);
+}
+
+void CLDToOopClosure::do_cld(ClassLoaderData* cld) {
+  cld->oops_do(_oop_closure, &_klass_closure, _must_claim_cld);
+}
+
+void CLDToKlassAndOopClosure::do_cld(ClassLoaderData* cld) {
+  cld->oops_do(_oop_closure, _klass_closure, _must_claim_cld);
+}
+
+void ObjectToOopClosure::do_object(oop obj) {
+  obj->oop_iterate(_cl);
+}
+
+void VoidClosure::do_void() {
+  ShouldNotCallThis();
+}
+
+void CodeBlobToOopClosure::do_nmethod(nmethod* nm) {
+  nm->oops_do(_cl);
+  if (_fix_relocations) {
+    nm->fix_oop_relocations();
+  }
+}
+
+void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) {
+  nmethod* nm = cb->as_nmethod_or_null();
+  if (nm != NULL) {
+    do_nmethod(nm);
+  }
+}
+
+void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) {
+  nmethod* nm = cb->as_nmethod_or_null();
+  if (nm != NULL && !nm->test_set_oops_do_mark()) {
+    do_nmethod(nm);
+  }
+}
+
+// Generate the *Klass::oop_oop_iterate functions for the base class
+// of the oop closures. These versions use the virtual do_oop calls,
+// instead of the devirtualized do_oop_nv version.
+ALL_KLASS_OOP_OOP_ITERATE_DEFN(ExtendedOopClosure,  _v)
+
+// Generate the *Klass::oop_oop_iterate functions
+// for the NoHeaderExtendedOopClosure helper class.
+ALL_KLASS_OOP_OOP_ITERATE_DEFN(NoHeaderExtendedOopClosure, _nv)