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_CODE_CODEBEHAVIOURS_HPP
26#define SHARE_CODE_CODEBEHAVIOURS_HPP
27
28#include "memory/allocation.hpp"
29
30class CompiledMethod;
31
32class CompiledICProtectionBehaviour {
33 static CompiledICProtectionBehaviour* _current;
34
35public:
36 virtual bool lock(CompiledMethod* method) = 0;
37 virtual void unlock(CompiledMethod* method) = 0;
38 virtual bool is_safe(CompiledMethod* method) = 0;
39
40 static CompiledICProtectionBehaviour* current() { return _current; }
41 static void set_current(CompiledICProtectionBehaviour* current) { _current = current; }
42};
43
44class DefaultICProtectionBehaviour: public CompiledICProtectionBehaviour, public CHeapObj<mtInternal> {
45 virtual bool lock(CompiledMethod* method);
46 virtual void unlock(CompiledMethod* method);
47 virtual bool is_safe(CompiledMethod* method);
48};
49
50#endif // SHARE_CODE_CODEBEHAVIOURS_HPP
51