0 /*
1 * Copyright (c) 2001, 2018, Oracle and/or its affiliates. All rights reserved.
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "gc/parallel/gcTaskManager.hpp"
26 #include "gc/parallel/objectStartArray.inline.hpp"
27 #include "gc/parallel/parallelScavengeHeap.inline.hpp"
28 #include "gc/parallel/psCardTable.hpp"
29 #include "gc/parallel/psPromotionManager.inline.hpp"
30 #include "gc/parallel/psScavenge.inline.hpp"
31 #include "gc/parallel/psYoungGen.hpp"
32 #include "memory/iterator.inline.hpp"
33 #include "oops/access.inline.hpp"
34 #include "oops/oop.inline.hpp"
35 #include "runtime/prefetch.inline.hpp"
36 #include "utilities/align.hpp"
37
38 // Checks an individual oop for missing precise marks. Mark
39 // may be either dirty or newgen.
40 class CheckForUnmarkedOops : public BasicOopIterateClosure {
41 private:
42 PSYoungGen* _young_gen;
43 PSCardTable* _card_table;
44 HeapWord* _unmarked_addr;
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0 /*
1 * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "gc/parallel/objectStartArray.inline.hpp"
26 #include "gc/parallel/parallelScavengeHeap.inline.hpp"
27 #include "gc/parallel/psCardTable.hpp"
28 #include "gc/parallel/psPromotionManager.inline.hpp"
29 #include "gc/parallel/psScavenge.inline.hpp"
30 #include "gc/parallel/psYoungGen.hpp"
31 #include "memory/iterator.inline.hpp"
32 #include "oops/access.inline.hpp"
33 #include "oops/oop.inline.hpp"
34 #include "runtime/prefetch.inline.hpp"
35 #include "utilities/align.hpp"
36
37 // Checks an individual oop for missing precise marks. Mark
38 // may be either dirty or newgen.
39 class CheckForUnmarkedOops : public BasicOopIterateClosure {
40 private:
41 PSYoungGen* _young_gen;
42 PSCardTable* _card_table;
43 HeapWord* _unmarked_addr;
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