1/*
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#ifndef SHARE_GC_G1_G1BARRIERSETRUNTIME_HPP
26#define SHARE_GC_G1_G1BARRIERSETRUNTIME_HPP
27
28#include "memory/allocation.hpp"
29#include "oops/oopsHierarchy.hpp"
30#include "utilities/globalDefinitions.hpp"
31#include "utilities/macros.hpp"
32
33class oopDesc;
34class JavaThread;
35
36class G1BarrierSetRuntime: public AllStatic {
37public:
38 // Arraycopy stub generator
39 static void write_ref_array_pre_oop_entry(oop* dst, size_t length);
40 static void write_ref_array_pre_narrow_oop_entry(narrowOop* dst, size_t length);
41 static void write_ref_array_post_entry(HeapWord* dst, size_t length);
42
43 // C2 slow-path runtime calls.
44 static void write_ref_field_pre_entry(oopDesc* orig, JavaThread *thread);
45 static void write_ref_field_post_entry(void* card_addr, JavaThread* thread);
46};
47
48#endif // SHARE_GC_G1_G1BARRIERSETRUNTIME_HPP
49