1 /*
2 * Copyright (c) 2019, Red Hat, Inc. 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_SHENANDOAH_MODE_SHENANDOAHMODE_HPP
26 #define SHARE_GC_SHENANDOAH_MODE_SHENANDOAHMODE_HPP
27
28 #include "memory/allocation.hpp"
29
30 class ShenandoahHeuristics;
31
32 #define SHENANDOAH_CHECK_FLAG_SET(name) \
33 do { \
34 if (!(name)) { \
35 err_msg message("GC mode needs -XX:+" #name " to work correctly"); \
36 vm_exit_during_initialization("Error", message); \
37 } \
38 } while (0)
39
40 #define SHENANDOAH_CHECK_FLAG_UNSET(name) \
41 do { \
42 if ((name)) { \
43 err_msg message("GC mode needs -XX:-" #name " to work correctly"); \
44 vm_exit_during_initialization("Error", message); \
45 } \
46 } while (0)
47
48 class ShenandoahMode : public CHeapObj<mtGC> {
49 public:
50 virtual void initialize_flags() const = 0;
51 virtual ShenandoahHeuristics* initialize_heuristics() const = 0;
52 virtual const char* name() = 0;
53 virtual bool is_diagnostic() = 0;
54 virtual bool is_experimental() = 0;
55 };
56
57 #endif // SHARE_GC_SHENANDOAH_MODE_SHENANDOAHMODE_HPP
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1 /*
2 * Copyright (c) 2019, 2021, Red Hat, Inc. 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_SHENANDOAH_MODE_SHENANDOAHMODE_HPP
26 #define SHARE_GC_SHENANDOAH_MODE_SHENANDOAHMODE_HPP
27
28 #include "memory/allocation.hpp"
29 #include "runtime/java.hpp"
30 #include "utilities/formatBuffer.hpp"
31
32 class ShenandoahGeneration;
33 class ShenandoahHeuristics;
34 class ShenandoahOldHeuristics;
35
36 #define SHENANDOAH_CHECK_FLAG_SET(name) \
37 do { \
38 if (!(name)) { \
39 err_msg message("GC mode needs -XX:+" #name " to work correctly"); \
40 vm_exit_during_initialization("Error", message); \
41 } \
42 } while (0)
43
44 #define SHENANDOAH_CHECK_FLAG_UNSET(name) \
45 do { \
46 if ((name)) { \
47 err_msg message("GC mode needs -XX:-" #name " to work correctly"); \
48 vm_exit_during_initialization("Error", message); \
49 } \
50 } while (0)
51
52 class ShenandoahMode : public CHeapObj<mtGC> {
53 public:
54 virtual void initialize_flags() const = 0;
55 virtual ShenandoahHeuristics* initialize_heuristics(ShenandoahGeneration* generation) const;
56 virtual const char* name() = 0;
57 virtual bool is_diagnostic() = 0;
58 virtual bool is_experimental() = 0;
59 virtual bool is_generational() { return false; }
60 };
61
62 #endif // SHARE_GC_SHENANDOAH_MODE_SHENANDOAHMODE_HPP
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