annotate src/share/vm/memory/oopFactory.hpp @ 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
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1 /*
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2 * Copyright (c) 1997, 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_MEMORY_OOPFACTORY_HPP
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26 #define SHARE_VM_MEMORY_OOPFACTORY_HPP
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27
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28 #include "classfile/symbolTable.hpp"
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29 #include "classfile/systemDictionary.hpp"
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30 #include "memory/universe.hpp"
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31 #include "oops/objArrayKlass.hpp"
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32 #include "oops/oop.hpp"
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33 #include "oops/typeArrayKlass.hpp"
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34 #include "utilities/growableArray.hpp"
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35
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36 // oopFactory is a class used for creating new objects.
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37
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38 class vframeArray;
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39
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40 class oopFactory: AllStatic {
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41 public:
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42 // Basic type leaf array allocation
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43 static typeArrayOop new_boolArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::boolArrayKlassObj ())->allocate(length, CHECK_NULL); }
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44 static typeArrayOop new_charArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::charArrayKlassObj ())->allocate(length, CHECK_NULL); }
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45 static typeArrayOop new_singleArray(int length, TRAPS) { return typeArrayKlass::cast(Universe::singleArrayKlassObj())->allocate(length, CHECK_NULL); }
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46 static typeArrayOop new_doubleArray(int length, TRAPS) { return typeArrayKlass::cast(Universe::doubleArrayKlassObj())->allocate(length, CHECK_NULL); }
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47 static typeArrayOop new_byteArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::byteArrayKlassObj ())->allocate(length, CHECK_NULL); }
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48 static typeArrayOop new_shortArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::shortArrayKlassObj ())->allocate(length, CHECK_NULL); }
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49 static typeArrayOop new_intArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::intArrayKlassObj ())->allocate(length, CHECK_NULL); }
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50 static typeArrayOop new_longArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::longArrayKlassObj ())->allocate(length, CHECK_NULL); }
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51
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52 // create java.lang.Object[]
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53 static objArrayOop new_objectArray(int length, TRAPS) {
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54 assert(Universe::objectArrayKlassObj() != NULL, "Too early?");
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55 return objArrayKlass::
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56 cast(Universe::objectArrayKlassObj())->allocate(length, CHECK_NULL);
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57 }
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58
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59 static typeArrayOop new_charArray (const char* utf8_str, TRAPS);
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60 static typeArrayOop new_tenured_charArray(int length, TRAPS);
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62 static typeArrayOop new_typeArray(BasicType type, int length, TRAPS);
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63 static typeArrayOop new_typeArray_nozero(BasicType type, int length, TRAPS);
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64 static typeArrayOop new_metaDataArray(int length, TRAPS);
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66 // Regular object arrays
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67 static objArrayOop new_objArray(Klass* klass, int length, TRAPS);
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68 };
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70 #endif // SHARE_VM_MEMORY_OOPFACTORY_HPP