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annotate src/share/vm/oops/annotations.hpp @ 6862:8a5ea0a9ccc4

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7127708: G1: change task num types from int to uint in concurrent mark Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich. Reviewed-by: johnc Contributed-by: Kaushik Srenevasan <kaushik@twitter.com>
author johnc
date Sat, 06 Oct 2012 01:17:44 -0700
parents da91efe96a93
children 35431a769282
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1 /*
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2 * Copyright (c) 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_OOPS_ANNOTATIONS_HPP
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26 #define SHARE_VM_OOPS_ANNOTATIONS_HPP
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27
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28 #include "oops/metadata.hpp"
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29 #include "runtime/handles.hpp"
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30 #include "utilities/array.hpp"
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31 #include "utilities/exceptions.hpp"
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32 #include "utilities/globalDefinitions.hpp"
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33
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34
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35 class ClassLoaderData;
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36 class outputStream;
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37
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38 typedef Array<u1> AnnotationArray;
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39
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40 // Class to hold the various types of annotations. The only metadata that points
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41 // to this is InstanceKlass.
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42
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43 class Annotations: public MetaspaceObj {
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44
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45 // Annotations for this class, or null if none.
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46 AnnotationArray* _class_annotations;
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47 // Annotation objects (byte arrays) for fields, or null if no annotations.
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48 // Indices correspond to entries (not indices) in fields array.
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49 Array<AnnotationArray*>* _fields_annotations;
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50 // Annotation objects (byte arrays) for methods, or null if no annotations.
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51 // Index is the idnum, which is initially the same as the methods array index.
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52 Array<AnnotationArray*>* _methods_annotations;
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53 // Annotation objects (byte arrays) for methods' parameters, or null if no
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54 // such annotations.
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55 // Index is the idnum, which is initially the same as the methods array index.
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56 Array<AnnotationArray*>* _methods_parameter_annotations;
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57 // Annotation objects (byte arrays) for methods' default values, or null if no
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58 // such annotations.
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59 // Index is the idnum, which is initially the same as the methods array index.
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60 Array<AnnotationArray*>* _methods_default_annotations;
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61
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62 // Constructor where some some values are known to not be null
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63 Annotations(Array<AnnotationArray*>* fa, Array<AnnotationArray*>* ma,
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64 Array<AnnotationArray*>* mpa, Array<AnnotationArray*>* mda) :
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65 _class_annotations(NULL),
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66 _fields_annotations(fa),
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67 _methods_annotations(ma),
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68 _methods_parameter_annotations(mpa),
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69 _methods_default_annotations(mda) {}
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70
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71 public:
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72 // Allocate instance of this class
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73 static Annotations* allocate(ClassLoaderData* loader_data, TRAPS);
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74 static Annotations* allocate(ClassLoaderData* loader_data,
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75 Array<AnnotationArray*>* fa,
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76 Array<AnnotationArray*>* ma,
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77 Array<AnnotationArray*>* mpa,
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78 Array<AnnotationArray*>* mda, TRAPS);
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79 void deallocate_contents(ClassLoaderData* loader_data);
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80 DEBUG_ONLY(bool on_stack() { return false; }) // for template
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81 static int size() { return sizeof(Annotations) / wordSize; }
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82
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83 // Constructor to initialize to null
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84 Annotations() : _class_annotations(NULL), _fields_annotations(NULL),
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85 _methods_annotations(NULL),
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86 _methods_parameter_annotations(NULL),
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87 _methods_default_annotations(NULL) {}
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88
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89 AnnotationArray* class_annotations() const { return _class_annotations; }
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90 Array<AnnotationArray*>* fields_annotations() const { return _fields_annotations; }
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91 Array<AnnotationArray*>* methods_annotations() const { return _methods_annotations; }
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92 Array<AnnotationArray*>* methods_parameter_annotations() const { return _methods_parameter_annotations; }
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93 Array<AnnotationArray*>* methods_default_annotations() const { return _methods_default_annotations; }
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94
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95 void set_class_annotations(AnnotationArray* md) { _class_annotations = md; }
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96 void set_fields_annotations(Array<AnnotationArray*>* md) { _fields_annotations = md; }
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97 void set_methods_annotations(Array<AnnotationArray*>* md) { _methods_annotations = md; }
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98 void set_methods_parameter_annotations(Array<AnnotationArray*>* md) { _methods_parameter_annotations = md; }
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99 void set_methods_default_annotations(Array<AnnotationArray*>* md) { _methods_default_annotations = md; }
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100
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101 // Redefine classes support
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102 AnnotationArray* get_method_annotations_of(int idnum)
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103 { return get_method_annotations_from(idnum, _methods_annotations); }
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104
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105 AnnotationArray* get_method_parameter_annotations_of(int idnum)
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106 { return get_method_annotations_from(idnum, _methods_parameter_annotations); }
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107 AnnotationArray* get_method_default_annotations_of(int idnum)
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108 { return get_method_annotations_from(idnum, _methods_default_annotations); }
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109
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110
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111 void set_method_annotations_of(instanceKlassHandle ik,
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112 int idnum, AnnotationArray* anno, TRAPS) {
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113 set_methods_annotations_of(ik, idnum, anno, &_methods_annotations, THREAD);
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114 }
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115
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116 void set_method_parameter_annotations_of(instanceKlassHandle ik,
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117 int idnum, AnnotationArray* anno, TRAPS) {
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118 set_methods_annotations_of(ik, idnum, anno, &_methods_parameter_annotations, THREAD);
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119 }
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120
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121 void set_method_default_annotations_of(instanceKlassHandle ik,
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122 int idnum, AnnotationArray* anno, TRAPS) {
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123 set_methods_annotations_of(ik, idnum, anno, &_methods_default_annotations, THREAD);
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124 }
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125
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126 // Turn metadata annotations into a Java heap object (oop)
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127 static typeArrayOop make_java_array(AnnotationArray* annotations, TRAPS);
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128
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129 inline AnnotationArray* get_method_annotations_from(int idnum, Array<AnnotationArray*>* annos);
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130 void set_annotations(Array<AnnotationArray*>* md, Array<AnnotationArray*>** md_p) { *md_p = md; }
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131
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132 private:
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133 void set_methods_annotations_of(instanceKlassHandle ik,
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134 int idnum, AnnotationArray* anno,
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135 Array<AnnotationArray*>** md_p, TRAPS);
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136
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137 public:
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138 const char* internal_name() const { return "{constant pool}"; }
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139 #ifndef PRODUCT
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140 void print_on(outputStream* st) const;
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141 #endif
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142 void print_value_on(outputStream* st) const;
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143 };
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144
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145
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146 // For method with idnum get the method's Annotations
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147 inline AnnotationArray* Annotations::get_method_annotations_from(int idnum, Array<AnnotationArray*>* annos) {
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148 if (annos == NULL || annos->length() <= idnum) {
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149 return NULL;
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150 }
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151 return annos->at(idnum);
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152 }
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153 #endif // SHARE_VM_OOPS_ANNOTATIONS_HPP