Mercurial > hg > truffle
annotate src/share/vm/oops/annotations.cpp @ 8044:2c673161698a
8007402: Code cleanup to remove Parfait false positive
Summary: add array access range check
Reviewed-by: kvn
author | drchase |
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date | Sat, 09 Feb 2013 12:55:09 -0800 |
parents | 16fb9f942703 |
children | 927a311d00f9 |
rev | line source |
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1 /* |
7956 | 2 * Copyright (c) 2012, 2013, 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/classLoaderData.hpp" |
7956 | 27 #include "memory/heapInspection.hpp" |
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28 #include "memory/metadataFactory.hpp" |
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29 #include "memory/oopFactory.hpp" |
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30 #include "oops/annotations.hpp" |
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31 #include "oops/instanceKlass.hpp" |
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32 #include "utilities/ostream.hpp" |
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33 |
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34 // Allocate annotations in metadata area |
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35 Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) { |
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36 return new (loader_data, size(), true, THREAD) Annotations(); |
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37 } |
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38 |
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39 Annotations* Annotations::allocate(ClassLoaderData* loader_data, |
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40 Array<AnnotationArray*>* fa, |
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41 Array<AnnotationArray*>* ma, |
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42 Array<AnnotationArray*>* mpa, |
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43 Array<AnnotationArray*>* mda, TRAPS) { |
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44 return new (loader_data, size(), true, THREAD) Annotations(fa, ma, mpa, mda); |
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45 } |
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46 |
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47 // helper |
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48 static void free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) { |
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49 if (p != NULL) { |
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50 for (int i = 0; i < p->length(); i++) { |
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51 MetadataFactory::free_array<u1>(loader_data, p->at(i)); |
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52 } |
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53 MetadataFactory::free_array<AnnotationArray*>(loader_data, p); |
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54 } |
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55 } |
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56 |
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57 void Annotations::deallocate_contents(ClassLoaderData* loader_data) { |
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58 if (class_annotations() != NULL) { |
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59 MetadataFactory::free_array<u1>(loader_data, class_annotations()); |
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60 } |
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61 free_contents(loader_data, fields_annotations()); |
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62 free_contents(loader_data, methods_annotations()); |
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63 free_contents(loader_data, methods_parameter_annotations()); |
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64 free_contents(loader_data, methods_default_annotations()); |
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65 |
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66 // Recursively deallocate optional Annotations linked through this one |
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67 MetadataFactory::free_metadata(loader_data, type_annotations()); |
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68 } |
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69 |
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70 // Set the annotation at 'idnum' to 'anno'. |
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71 // We don't want to create or extend the array if 'anno' is NULL, since that is the |
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72 // default value. However, if the array exists and is long enough, we must set NULL values. |
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73 void Annotations::set_methods_annotations_of(instanceKlassHandle ik, |
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74 int idnum, AnnotationArray* anno, |
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75 Array<AnnotationArray*>** md_p, |
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76 TRAPS) { |
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77 Array<AnnotationArray*>* md = *md_p; |
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78 if (md != NULL && md->length() > idnum) { |
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79 md->at_put(idnum, anno); |
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80 } else if (anno != NULL) { |
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81 // create the array |
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82 int length = MAX2(idnum+1, (int)ik->idnum_allocated_count()); |
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83 md = MetadataFactory::new_array<AnnotationArray*>(ik->class_loader_data(), length, CHECK); |
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84 if (*md_p != NULL) { |
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85 // copy the existing entries |
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86 for (int index = 0; index < (*md_p)->length(); index++) { |
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87 md->at_put(index, (*md_p)->at(index)); |
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88 } |
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89 } |
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90 set_annotations(md, md_p); |
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91 md->at_put(idnum, anno); |
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92 } // if no array and idnum isn't included there is nothing to do |
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93 } |
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94 |
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95 // Keep created annotations in a global growable array (should be hashtable) |
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96 // need to add, search, delete when class is unloaded. |
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97 // Does it need a lock? yes. This sucks. |
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98 |
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99 // Copy annotations to JVM call or reflection to the java heap. |
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100 typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) { |
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101 if (annotations != NULL) { |
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102 int length = annotations->length(); |
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103 typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL); |
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104 for (int i = 0; i< length; i++) { |
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105 copy->byte_at_put(i, annotations->at(i)); |
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106 } |
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107 return copy; |
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108 } else { |
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109 return NULL; |
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110 } |
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111 } |
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112 |
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113 |
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114 void Annotations::print_value_on(outputStream* st) const { |
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115 st->print("Anotations(" INTPTR_FORMAT ")", this); |
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116 } |
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117 |
7956 | 118 #if INCLUDE_SERVICES |
119 // Size Statistics | |
120 | |
121 julong Annotations::count_bytes(Array<AnnotationArray*>* p) { | |
122 julong bytes = 0; | |
123 if (p != NULL) { | |
124 for (int i = 0; i < p->length(); i++) { | |
125 bytes += KlassSizeStats::count_array(p->at(i)); | |
126 } | |
127 bytes += KlassSizeStats::count_array(p); | |
128 } | |
129 return bytes; | |
130 } | |
131 | |
132 void Annotations::collect_statistics(KlassSizeStats *sz) const { | |
133 sz->_annotations_bytes = sz->count(this); | |
134 sz->_class_annotations_bytes = sz->count(class_annotations()); | |
135 sz->_fields_annotations_bytes = count_bytes(fields_annotations()); | |
136 sz->_methods_annotations_bytes = count_bytes(methods_annotations()); | |
137 sz->_methods_parameter_annotations_bytes = | |
138 count_bytes(methods_parameter_annotations()); | |
139 sz->_methods_default_annotations_bytes = | |
140 count_bytes(methods_default_annotations()); | |
141 | |
142 const Annotations* type_anno = type_annotations(); | |
143 if (type_anno != NULL) { | |
144 sz->_type_annotations_bytes = sz->count(type_anno); | |
145 sz->_type_annotations_bytes += sz->count(type_anno->class_annotations()); | |
146 sz->_type_annotations_bytes += count_bytes(type_anno->fields_annotations()); | |
147 sz->_type_annotations_bytes += count_bytes(type_anno->methods_annotations()); | |
148 } | |
149 | |
150 sz->_annotations_bytes += | |
151 sz->_class_annotations_bytes + | |
152 sz->_fields_annotations_bytes + | |
153 sz->_methods_annotations_bytes + | |
154 sz->_methods_parameter_annotations_bytes + | |
155 sz->_methods_default_annotations_bytes + | |
156 sz->_type_annotations_bytes; | |
157 | |
158 sz->_ro_bytes += sz->_annotations_bytes; | |
159 } | |
160 #endif // INCLUDE_SERVICES | |
161 | |
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162 #define BULLET " - " |
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163 |
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164 #ifndef PRODUCT |
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165 void Annotations::print_on(outputStream* st) const { |
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166 st->print(BULLET"class_annotations "); class_annotations()->print_value_on(st); |
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167 st->print(BULLET"fields_annotations "); fields_annotations()->print_value_on(st); |
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168 st->print(BULLET"methods_annotations "); methods_annotations()->print_value_on(st); |
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169 st->print(BULLET"methods_parameter_annotations"); methods_parameter_annotations()->print_value_on(st); |
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170 st->print(BULLET"methods_default_annotations "); methods_default_annotations()->print_value_on(st); |
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171 } |
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172 #endif // PRODUCT |