annotate src/share/vm/classfile/systemDictionaryShared.hpp @ 20375:6e0cb14ce59b

8046070: Class Data Sharing clean up and refactoring Summary: Cleaned up CDS to be more configurable, maintainable and extensible Reviewed-by: dholmes, coleenp, acorn, mchung
author iklam
date Thu, 21 Aug 2014 13:57:51 -0700
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children 50e62b688ddc
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20375
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1 /*
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2 * Copyright (c) 2014, 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
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26 #ifndef SHARE_VM_CLASSFILE_SYSTEMDICTIONARYSHARED_HPP
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27 #define SHARE_VM_CLASSFILE_SYSTEMDICTIONARYSHARED_HPP
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28
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29 #include "classfile/systemDictionary.hpp"
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30
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31 class SystemDictionaryShared: public SystemDictionary {
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32 public:
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33 static void initialize(TRAPS) {}
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34 static instanceKlassHandle find_or_load_shared_class(Symbol* class_name,
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35 Handle class_loader,
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36 TRAPS) {
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37 return instanceKlassHandle();
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38 }
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39 static void roots_oops_do(OopClosure* blk) {}
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40 static void oops_do(OopClosure* f) {}
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41 static bool is_sharing_possible(ClassLoaderData* loader_data) {
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42 oop class_loader = loader_data->class_loader();
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43 return (class_loader == NULL);
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44 }
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45 };
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46
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47 #endif // SHARE_VM_CLASSFILE_SYSTEMDICTIONARYSHARED_HPP