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annotate src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp @ 6725:da91efe96a93

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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
date Sat, 01 Sep 2012 13:25:18 -0400
parents 23c0eb012d6f
children 78bbf4d43a14
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1 /*
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2 * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP
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26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP
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27
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28 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
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29 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
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30 #include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
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31 #include "gc_implementation/parallelScavenge/psScavenge.hpp"
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33 inline size_t ParallelScavengeHeap::total_invocations()
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34 {
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35 return UseParallelOldGC ? PSParallelCompact::total_invocations() :
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36 PSMarkSweep::total_invocations();
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37 }
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38
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39 inline bool ParallelScavengeHeap::should_alloc_in_eden(const size_t size) const
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40 {
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41 const size_t eden_size = young_gen()->eden_space()->capacity_in_words();
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42 return size < eden_size / 2;
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43 }
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45 inline void ParallelScavengeHeap::invoke_scavenge()
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46 {
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47 PSScavenge::invoke();
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48 }
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49
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50 inline bool ParallelScavengeHeap::is_in_young(oop p) {
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51 // Assumes the the old gen address range is lower than that of the young gen.
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52 const void* loc = (void*) p;
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53 bool result = ((HeapWord*)p) >= young_gen()->reserved().start();
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54 assert(result == young_gen()->is_in_reserved(p),
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55 err_msg("incorrect test - result=%d, p=" PTR_FORMAT, result, (void*)p));
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56 return result;
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57 }
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58 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PARALLELSCAVENGEHEAP_INLINE_HPP