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
|
1 /*
2 * Copyright (c) 2019, Red Hat, Inc. All rights reserved.
3 * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef SHARE_GC_SHENANDOAH_MODE_SHENANDOAHMODE_HPP
27 #define SHARE_GC_SHENANDOAH_MODE_SHENANDOAHMODE_HPP
28
29 #include "gc/shared/gc_globals.hpp"
30 #include "memory/allocation.hpp"
31 #include "runtime/java.hpp"
32 #include "utilities/formatBuffer.hpp"
33
34 class ShenandoahSpaceInfo;
35 class ShenandoahHeuristics;
36
37 #define SHENANDOAH_CHECK_FLAG_SET(name) \
38 do { \
39 if (!(name)) { \
40 err_msg message("GC mode needs -XX:+" #name " to work correctly"); \
41 vm_exit_during_initialization("Error", message); \
42 } \
43 } while (0)
44
45 #define SHENANDOAH_CHECK_FLAG_UNSET(name) \
46 do { \
47 if ((name)) { \
48 err_msg message("GC mode needs -XX:-" #name " to work correctly"); \
49 vm_exit_during_initialization("Error", message); \
50 } \
51 } while (0)
52
53 class ShenandoahMode : public CHeapObj<mtGC> {
54 public:
55 virtual void initialize_flags() const = 0;
56 virtual ShenandoahHeuristics* initialize_heuristics(ShenandoahSpaceInfo* space_info) const;
57 virtual const char* name() = 0;
58 virtual bool is_diagnostic() = 0;
59 virtual bool is_experimental() = 0;
60 virtual bool is_generational() { return false; }
61 };
62
63 #endif // SHARE_GC_SHENANDOAH_MODE_SHENANDOAHMODE_HPP
|