1 /*
2 * Copyright (c) 2001, 2015, 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 #include "precompiled.hpp"
26 #include "gc/serial/defNewGeneration.hpp"
27 #include "gc/serial/tenuredGeneration.hpp"
28 #include "gc/shared/cardTableRS.hpp"
29 #include "gc/shared/generationSpec.hpp"
30 #include "memory/binaryTreeDictionary.hpp"
31 #include "memory/filemap.hpp"
32 #include "runtime/java.hpp"
33 #include "utilities/macros.hpp"
34 #if INCLUDE_ALL_GCS
35 #include "gc/cms/concurrentMarkSweepGeneration.hpp"
36 #include "gc/cms/parNewGeneration.hpp"
37 #endif // INCLUDE_ALL_GCS
38
39 Generation* GenerationSpec::init(ReservedSpace rs, CardTableRS* remset) {
40 switch (name()) {
41 case Generation::DefNew:
42 return new DefNewGeneration(rs, init_size());
43
44 case Generation::MarkSweepCompact:
45 return new TenuredGeneration(rs, init_size(), remset);
46
47 #if INCLUDE_ALL_GCS
48 case Generation::ParNew:
49 return new ParNewGeneration(rs, init_size());
50
51 case Generation::ConcurrentMarkSweep: {
52 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set");
53 if (remset == NULL) {
54 vm_exit_during_initialization("Rem set incompatibility.");
55 }
56 // Otherwise
57 // The constructor creates the CMSCollector if needed,
58 // else registers with an existing CMSCollector
59
60 ConcurrentMarkSweepGeneration* g = NULL;
61 g = new ConcurrentMarkSweepGeneration(rs, init_size(), remset);
62
63 g->initialize_performance_counters();
64
65 return g;
66 }
67 #endif // INCLUDE_ALL_GCS
68
69 default:
70 guarantee(false, "unrecognized GenerationName");
71 return NULL;
72 }
73 }
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1 /*
2 * Copyright (c) 2001, 2017, 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 #include "precompiled.hpp"
26 #include "gc/serial/defNewGeneration.hpp"
27 #include "gc/serial/tenuredGeneration.hpp"
28 #include "gc/shared/cardTableRS.hpp"
29 #include "gc/shared/generationSpec.hpp"
30 #include "memory/binaryTreeDictionary.hpp"
31 #include "memory/filemap.hpp"
32 #include "runtime/java.hpp"
33 #include "utilities/macros.hpp"
34 #if INCLUDE_ALL_GCS
35 #include "gc/cms/concurrentMarkSweepGeneration.hpp"
36 #include "gc/cms/parNewGeneration.hpp"
37 #endif // INCLUDE_ALL_GCS
38
39 Generation* GenerationSpec::init(ReservedSpace rs, CardTableRS* remset, GCMemoryManager* mem_mgr) {
40 switch (name()) {
41 case Generation::DefNew:
42 return new DefNewGeneration(rs, init_size(), mem_mgr);
43
44 case Generation::MarkSweepCompact:
45 return new TenuredGeneration(rs, init_size(), mem_mgr, remset);
46
47 #if INCLUDE_ALL_GCS
48 case Generation::ParNew:
49 return new ParNewGeneration(rs, init_size(), mem_mgr);
50
51 case Generation::ConcurrentMarkSweep: {
52 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set");
53 if (remset == NULL) {
54 vm_exit_during_initialization("Rem set incompatibility.");
55 }
56 // Otherwise
57 // The constructor creates the CMSCollector if needed,
58 // else registers with an existing CMSCollector
59
60 ConcurrentMarkSweepGeneration* g = NULL;
61 g = new ConcurrentMarkSweepGeneration(rs, init_size(), mem_mgr, remset);
62
63 g->initialize_performance_counters();
64
65 return g;
66 }
67 #endif // INCLUDE_ALL_GCS
68
69 default:
70 guarantee(false, "unrecognized GenerationName");
71 return NULL;
72 }
73 }
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