Mercurial > hg > graal-jvmci-8

annotate src/share/vm/memory/oopFactory.cpp @ 8804:91bf0bdae37b

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8008217: CDS: Class data sharing limits the malloc heap on Solaris Summary: In 64bit VM move CDS archive address to 32G on all platforms using new flag SharedBaseAddress. In 32bit VM set CDS archive address to 3Gb on Linux and let other OSs pick the address. Reviewed-by: kvn, dcubed, zgu, hseigel
author coleenp
date Wed, 20 Mar 2013 08:04:54 -0400
parents d8ce2825b193
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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 #include "precompiled.hpp"
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26 #include "classfile/javaClasses.hpp"
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27 #include "classfile/symbolTable.hpp"
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28 #include "classfile/systemDictionary.hpp"
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29 #include "classfile/vmSymbols.hpp"
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30 #include "gc_interface/collectedHeap.inline.hpp"
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31 #include "memory/oopFactory.hpp"
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32 #include "memory/resourceArea.hpp"
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33 #include "memory/universe.inline.hpp"
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34 #include "oops/instanceKlass.hpp"
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35 #include "oops/instanceOop.hpp"
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36 #include "oops/objArrayOop.hpp"
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37 #include "oops/oop.inline.hpp"
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40 typeArrayOop oopFactory::new_charArray(const char* utf8_str, TRAPS) {
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41 int length = utf8_str == NULL ? 0 : UTF8::unicode_length(utf8_str);
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42 typeArrayOop result = new_charArray(length, CHECK_NULL);
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43 if (length > 0) {
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44 UTF8::convert_to_unicode(utf8_str, result->char_at_addr(0), length);
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45 }
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46 return result;
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47 }
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48
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49 typeArrayOop oopFactory::new_tenured_charArray(int length, TRAPS) {
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50 return TypeArrayKlass::cast(Universe::charArrayKlassObj())->allocate(length, THREAD);
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51 }
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52
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53 typeArrayOop oopFactory::new_typeArray(BasicType type, int length, TRAPS) {
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54 Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
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55 TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
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56 typeArrayOop result = type_asArrayKlass->allocate(length, THREAD);
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57 return result;
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58 }
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59
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60 // Create a Java array that points to metadata.
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61 // As far as Java code is concerned, a metaData array is either an array of
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62 // int or long depending on pointer size. Only a few things use this, like
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63 // stack trace elements in Throwable. They cast Method* into this type.
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64 // Note:can't point to symbols because there's no way to unreference count
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65 // them when this object goes away.
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66 typeArrayOop oopFactory::new_metaDataArray(int length, TRAPS) {
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67 BasicType type = LP64_ONLY(T_LONG) NOT_LP64(T_INT);
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68 Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
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69 TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
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70 typeArrayOop result = type_asArrayKlass->allocate_common(length, true, THREAD);
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71 return result;
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72 }
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73
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74 typeArrayOop oopFactory::new_typeArray_nozero(BasicType type, int length, TRAPS) {
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75 Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
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76 TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
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77 typeArrayOop result = type_asArrayKlass->allocate_common(length, false, THREAD);
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78 return result;
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79 }
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81
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82 objArrayOop oopFactory::new_objArray(Klass* klass, int length, TRAPS) {
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83 assert(klass->is_klass(), "must be instance class");
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84 if (klass->oop_is_array()) {
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85 return ((ArrayKlass*)klass)->allocate_arrayArray(1, length, THREAD);
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86 } else {
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87 assert (klass->oop_is_instance(), "new object array with klass not an InstanceKlass");
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88 return ((InstanceKlass*)klass)->allocate_objArray(1, length, THREAD);
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89 }
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90 }