Mercurial > hg > graal-compiler
annotate src/share/vm/memory/generationSpec.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 |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | 9f059abe8cf2 |
| children | db9981fd3124 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
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6964458: Reimplement class meta-data storage to use native memory
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26 #include "memory/binaryTreeDictionary.hpp" |
| 1972 | 27 #include "memory/defNewGeneration.hpp" |
| 28 #include "memory/filemap.hpp" | |
| 29 #include "memory/genRemSet.hpp" | |
| 30 #include "memory/generationSpec.hpp" | |
| 31 #include "memory/tenuredGeneration.hpp" | |
| 32 #include "runtime/java.hpp" | |
| 33 #ifndef SERIALGC | |
| 34 #include "gc_implementation/parNew/asParNewGeneration.hpp" | |
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6964458: Reimplement class meta-data storage to use native memory
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35 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp" |
| 1972 | 36 #include "gc_implementation/parNew/parNewGeneration.hpp" |
| 37 #endif | |
| 0 | 38 |
| 39 Generation* GenerationSpec::init(ReservedSpace rs, int level, | |
| 40 GenRemSet* remset) { | |
| 41 switch (name()) { | |
| 42 case Generation::DefNew: | |
| 43 return new DefNewGeneration(rs, init_size(), level); | |
| 44 | |
| 45 case Generation::MarkSweepCompact: | |
| 46 return new TenuredGeneration(rs, init_size(), level, remset); | |
| 47 | |
| 48 #ifndef SERIALGC | |
| 49 case Generation::ParNew: | |
| 50 return new ParNewGeneration(rs, init_size(), level); | |
| 51 | |
| 52 case Generation::ASParNew: | |
| 53 return new ASParNewGeneration(rs, | |
| 54 init_size(), | |
| 55 init_size() /* min size */, | |
| 56 level); | |
| 57 | |
| 58 case Generation::ConcurrentMarkSweep: { | |
| 59 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); | |
| 60 CardTableRS* ctrs = remset->as_CardTableRS(); | |
| 61 if (ctrs == NULL) { | |
| 62 vm_exit_during_initialization("Rem set incompatibility."); | |
| 63 } | |
| 64 // Otherwise | |
| 65 // The constructor creates the CMSCollector if needed, | |
| 66 // else registers with an existing CMSCollector | |
| 67 | |
| 68 ConcurrentMarkSweepGeneration* g = NULL; | |
| 69 g = new ConcurrentMarkSweepGeneration(rs, | |
| 70 init_size(), level, ctrs, UseCMSAdaptiveFreeLists, | |
| 6026 | 71 (FreeBlockDictionary<FreeChunk>::DictionaryChoice)CMSDictionaryChoice); |
| 0 | 72 |
| 73 g->initialize_performance_counters(); | |
| 74 | |
| 75 return g; | |
| 76 } | |
| 77 | |
| 78 case Generation::ASConcurrentMarkSweep: { | |
| 79 assert(UseConcMarkSweepGC, "UseConcMarkSweepGC should be set"); | |
| 80 CardTableRS* ctrs = remset->as_CardTableRS(); | |
| 81 if (ctrs == NULL) { | |
| 82 vm_exit_during_initialization("Rem set incompatibility."); | |
| 83 } | |
| 84 // Otherwise | |
| 85 // The constructor creates the CMSCollector if needed, | |
| 86 // else registers with an existing CMSCollector | |
| 87 | |
| 88 ASConcurrentMarkSweepGeneration* g = NULL; | |
| 89 g = new ASConcurrentMarkSweepGeneration(rs, | |
| 90 init_size(), level, ctrs, UseCMSAdaptiveFreeLists, | |
| 6026 | 91 (FreeBlockDictionary<FreeChunk>::DictionaryChoice)CMSDictionaryChoice); |
| 0 | 92 |
| 93 g->initialize_performance_counters(); | |
| 94 | |
| 95 return g; | |
| 96 } | |
| 97 #endif // SERIALGC | |
| 98 | |
| 99 default: | |
| 100 guarantee(false, "unrecognized GenerationName"); | |
| 101 return NULL; | |
| 102 } | |
| 103 } |