1 /*
2  * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
3  *
4  * This code is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License version 2 only, as
6  * published by the Free Software Foundation.
7  *
8  * This code is distributed in the hope that it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
11  * version 2 for more details (a copy is included in the LICENSE file that
12  * accompanied this code).
13  *
14  * You should have received a copy of the GNU General Public License version
15  * 2 along with this work; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17  *
18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19  * or visit www.oracle.com if you need additional information or have any
20  * questions.
21  *
22  */
23 
24 #ifndef SHARE_VM_GC_SHENANDOAH_SHENANDOAHRUNTIME_HPP
25 #define SHARE_VM_GC_SHENANDOAH_SHENANDOAHRUNTIME_HPP
26 
27 #include "memory/allocation.hpp"
28 #include "oops/oopsHierarchy.hpp"
29 
30 class HeapWord;
31 class JavaThread;
32 class oopDesc;
33 
34 class ShenandoahRuntime : public AllStatic {
35 public:
36   static void arraycopy_barrier_oop_entry(oop* src, oop* dst, size_t length);
37   static void arraycopy_barrier_narrow_oop_entry(narrowOop* src, narrowOop* dst, size_t length);
38 
39   static void write_ref_field_pre_entry(oopDesc* orig, JavaThread* thread);
40 
41   static oopDesc* load_reference_barrier(oopDesc* src, oop* load_addr);
42   static oopDesc* load_reference_barrier_narrow(oopDesc* src, narrowOop* load_addr);
43 
44   static void shenandoah_clone_barrier(oopDesc* src);
45 };
46 
47 #endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHRUNTIME_HPP
48