Mercurial > hg > truffle
comparison src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author | coleenp |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | d06a2d7fcd5b |
children | b735136e0d82 |
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6724:36d1d483d5d6 | 6725:da91efe96a93 |
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1 /* | 1 /* |
2 * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2001, 2012, 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. |
41 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); | 41 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); |
42 | 42 |
43 _destination_decorator = heap->old_gen()->object_mark_sweep(); | 43 _destination_decorator = heap->old_gen()->object_mark_sweep(); |
44 } | 44 } |
45 | 45 |
46 void PSMarkSweepDecorator::set_destination_decorator_perm_gen() { | |
47 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); | |
48 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); | |
49 | |
50 _destination_decorator = heap->perm_gen()->object_mark_sweep(); | |
51 } | |
52 | |
53 void PSMarkSweepDecorator::advance_destination_decorator() { | 46 void PSMarkSweepDecorator::advance_destination_decorator() { |
54 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); | 47 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); |
55 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); | 48 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity"); |
56 | 49 |
57 assert(_destination_decorator != NULL, "Sanity"); | 50 assert(_destination_decorator != NULL, "Sanity"); |
58 guarantee(_destination_decorator != heap->perm_gen()->object_mark_sweep(), "Cannot advance perm gen decorator"); | |
59 | 51 |
60 PSMarkSweepDecorator* first = heap->old_gen()->object_mark_sweep(); | 52 PSMarkSweepDecorator* first = heap->old_gen()->object_mark_sweep(); |
61 PSMarkSweepDecorator* second = heap->young_gen()->eden_mark_sweep(); | 53 PSMarkSweepDecorator* second = heap->young_gen()->eden_mark_sweep(); |
62 PSMarkSweepDecorator* third = heap->young_gen()->from_mark_sweep(); | 54 PSMarkSweepDecorator* third = heap->young_gen()->from_mark_sweep(); |
63 PSMarkSweepDecorator* fourth = heap->young_gen()->to_mark_sweep(); | 55 PSMarkSweepDecorator* fourth = heap->young_gen()->to_mark_sweep(); |