1 /* |
1 /* |
2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
28 #include "gc_implementation/shared/markSweep.hpp" |
28 #include "gc_implementation/shared/markSweep.hpp" |
29 #include "gc_interface/collectedHeap.hpp" |
29 #include "gc_interface/collectedHeap.hpp" |
30 #include "utilities/stack.inline.hpp" |
30 #include "utilities/stack.inline.hpp" |
31 #include "utilities/macros.hpp" |
31 #include "utilities/macros.hpp" |
32 #if INCLUDE_ALL_GCS |
32 #if INCLUDE_ALL_GCS |
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33 #include "gc_implementation/g1/g1StringDedup.hpp" |
33 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp" |
34 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp" |
34 #endif // INCLUDE_ALL_GCS |
35 #endif // INCLUDE_ALL_GCS |
35 |
36 |
36 inline void MarkSweep::mark_object(oop obj) { |
37 inline void MarkSweep::mark_object(oop obj) { |
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38 #if INCLUDE_ALL_GCS |
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39 if (G1StringDedup::is_enabled()) { |
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40 // We must enqueue the object before it is marked |
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41 // as we otherwise can't read the object's age. |
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42 G1StringDedup::enqueue_from_mark(obj); |
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43 } |
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44 #endif |
37 // some marks may contain information we need to preserve so we store them away |
45 // some marks may contain information we need to preserve so we store them away |
38 // and overwrite the mark. We'll restore it at the end of markSweep. |
46 // and overwrite the mark. We'll restore it at the end of markSweep. |
39 markOop mark = obj->mark(); |
47 markOop mark = obj->mark(); |
40 obj->set_mark(markOopDesc::prototype()->set_marked()); |
48 obj->set_mark(markOopDesc::prototype()->set_marked()); |
41 |
49 |