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1 /*
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2 * Copyright (c) 2014, 2016, 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/dictionary.hpp"
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30 #include "classfile/systemDictionary.hpp"
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31
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32 class SystemDictionaryShared: public SystemDictionary {
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33 public:
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34 static void initialize(TRAPS) {}
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35 static instanceKlassHandle find_or_load_shared_class(Symbol* class_name,
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36 Handle class_loader,
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37 TRAPS) {
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38 return instanceKlassHandle();
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39 }
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40 static void roots_oops_do(OopClosure* blk) {}
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41 static void oops_do(OopClosure* f) {}
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42 static bool is_sharing_possible(ClassLoaderData* loader_data) {
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43 oop class_loader = loader_data->class_loader();
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44 return (class_loader == NULL);
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45 }
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46
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47 static size_t dictionary_entry_size() {
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48 return sizeof(DictionaryEntry);
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49 }
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50 static void init_shared_dictionary_entry(Klass* k, DictionaryEntry* entry) {}
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51
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52 // The (non-application) CDS implementation supports only classes in the boot
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53 // class loader, which ensures that the verification dependencies are the same
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54 // during archive creation time and runtime. Thus we can do the dependency checks
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55 // entirely during archive creation time.
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56 static void add_verification_dependency(Klass* k, Symbol* accessor_clsname,
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57 Symbol* target_clsname) {}
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58 static void finalize_verification_dependencies() {}
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59 static bool check_verification_dependencies(Klass* k, Handle class_loader,
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60 Handle protection_domain,
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61 char** message_buffer, TRAPS) {return true;}
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62 };
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63
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64 #endif // SHARE_VM_CLASSFILE_SYSTEMDICTIONARYSHARED_HPP
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