--- /dev/null	2017-03-07 11:44:12.271151064 +0100
+++ new/src/share/vm/gc/shared/c2CardTableModRefBSCodeGen.hpp	2017-04-25 16:46:30.291171177 +0200
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 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.
+ *
+ */
+
+#ifndef SHARE_VM_GC_SHARED_C2CARDTABLEMODREFBSCODEGEN_HPP
+#define SHARE_VM_GC_SHARED_C2CARDTABLEMODREFBSCODEGEN_HPP
+
+#include "gc/shared/c2ModRefBSCodeGen.hpp"
+
+class C2CardTableModRefBSCodeGen: public C2ModRefBSCodeGen {
+protected:
+  virtual void post_barrier(GraphKit* kit,
+                            Node* ctl,
+                            Node* store,
+                            Node* obj,
+                            Node* adr,
+                            uint adr_idx,
+                            Node* val,
+                            BasicType bt,
+                            bool use_precise);
+
+  Node* byte_map_base_node(GraphKit* kit);
+
+  static bool use_ReduceInitialCardMarks();
+
+public:
+  virtual void clone(GraphKit* kit, Node* src, Node* dst, Node* size, bool is_array);
+  virtual bool is_gc_barrier_node(Node* node);
+  virtual void eliminate_gc_barrier(PhaseMacroExpand* macro, Node* node);
+  virtual bool array_copy_requires_gc_barriers(BasicType type);
+};
+
+#endif // SHARE_VM_GC_SHARED_C2CARDTABLEMODREFBSCODEGEN_HPP