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annotate src/share/vm/memory/oopFactory.cpp @ 12146:9758d9f36299

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8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced Summary: declare all user-defined operator new()s within Hotspot code with the empty throw() exception specification Reviewed-by: coleenp, twisti, dholmes, hseigel, dcubed, kvn, ccheung Contributed-by: lois.foltan@oracle.com
author coleenp
date Thu, 29 Aug 2013 18:56:29 -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 #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 }