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annotate src/share/vm/runtime/globals_extension.hpp @ 3979:4dfb2df418f2

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6484982: G1: process references during evacuation pauses Summary: G1 now uses two reference processors - one is used by concurrent marking and the other is used by STW GCs (both full and incremental evacuation pauses). In an evacuation pause, the reference processor is embedded into the closures used to scan objects. Doing so causes causes reference objects to be 'discovered' by the reference processor. At the end of the evacuation pause, these discovered reference objects are processed - preserving (and copying) referent objects (and their reachable graphs) as appropriate. Reviewed-by: ysr, jwilhelm, brutisso, stefank, tonyp
author johnc
date Thu, 22 Sep 2011 10:57:37 -0700
parents f95d63e2154a
children 763f01599ff4
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1 /*
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2 * Copyright (c) 2003, 2010, 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_RUNTIME_GLOBALS_EXTENSION_HPP
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26 #define SHARE_VM_RUNTIME_GLOBALS_EXTENSION_HPP
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27
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28 #include "runtime/globals.hpp"
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29 #include "utilities/top.hpp"
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30
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31 // Construct enum of Flag_<cmdline-arg> constants.
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32
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33 // Parens left off in the following for the enum decl below.
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34 #define FLAG_MEMBER(flag) Flag_##flag
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35
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36 #define RUNTIME_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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37 #define RUNTIME_PD_PRODUCT_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
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38 #define RUNTIME_DIAGNOSTIC_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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39 #define RUNTIME_EXPERIMENTAL_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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40 #define RUNTIME_MANAGEABLE_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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41 #define RUNTIME_PRODUCT_RW_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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42 #ifdef PRODUCT
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43 #define RUNTIME_DEVELOP_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
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44 #define RUNTIME_PD_DEVELOP_FLAG_MEMBER(type, name, doc) /* flag is constant */
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45 #define RUNTIME_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc)
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46 #else
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47 #define RUNTIME_DEVELOP_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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48 #define RUNTIME_PD_DEVELOP_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
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49 #define RUNTIME_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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50 #endif
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51 #ifdef _LP64
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52 #define RUNTIME_LP64_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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53 #else
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54 #define RUNTIME_LP64_PRODUCT_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
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55 #endif // _LP64
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56
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57 #define C1_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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58 #define C1_PD_PRODUCT_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
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59 #ifdef PRODUCT
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60 #define C1_DEVELOP_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
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61 #define C1_PD_DEVELOP_FLAG_MEMBER(type, name, doc) /* flag is constant */
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62 #define C1_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc)
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63 #else
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64 #define C1_DEVELOP_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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65 #define C1_PD_DEVELOP_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
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66 #define C1_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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67 #endif
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68
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69
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70 #define C2_PRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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71 #define C2_PD_PRODUCT_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
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72 #define C2_DIAGNOSTIC_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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73 #define C2_EXPERIMENTAL_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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74 #ifdef PRODUCT
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75 #define C2_DEVELOP_FLAG_MEMBER(type, name, value, doc) /* flag is constant */
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76 #define C2_PD_DEVELOP_FLAG_MEMBER(type, name, doc) /* flag is constant */
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77 #define C2_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc)
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78 #else
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79 #define C2_DEVELOP_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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80 #define C2_PD_DEVELOP_FLAG_MEMBER(type, name, doc) FLAG_MEMBER(name),
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81 #define C2_NOTPRODUCT_FLAG_MEMBER(type, name, value, doc) FLAG_MEMBER(name),
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82 #endif
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83
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84 typedef enum {
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85 RUNTIME_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER, RUNTIME_PD_DEVELOP_FLAG_MEMBER, RUNTIME_PRODUCT_FLAG_MEMBER, RUNTIME_PD_PRODUCT_FLAG_MEMBER, RUNTIME_DIAGNOSTIC_FLAG_MEMBER, RUNTIME_EXPERIMENTAL_FLAG_MEMBER, RUNTIME_NOTPRODUCT_FLAG_MEMBER, RUNTIME_MANAGEABLE_FLAG_MEMBER, RUNTIME_PRODUCT_RW_FLAG_MEMBER, RUNTIME_LP64_PRODUCT_FLAG_MEMBER)
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86 RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER, RUNTIME_PD_DEVELOP_FLAG_MEMBER, RUNTIME_PRODUCT_FLAG_MEMBER, RUNTIME_PD_PRODUCT_FLAG_MEMBER, RUNTIME_DIAGNOSTIC_FLAG_MEMBER, RUNTIME_NOTPRODUCT_FLAG_MEMBER)
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87 #ifndef KERNEL
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88 G1_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER, RUNTIME_PD_DEVELOP_FLAG_MEMBER, RUNTIME_PRODUCT_FLAG_MEMBER, RUNTIME_PD_PRODUCT_FLAG_MEMBER, RUNTIME_DIAGNOSTIC_FLAG_MEMBER, RUNTIME_EXPERIMENTAL_FLAG_MEMBER, RUNTIME_NOTPRODUCT_FLAG_MEMBER, RUNTIME_MANAGEABLE_FLAG_MEMBER, RUNTIME_PRODUCT_RW_FLAG_MEMBER)
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89 #endif
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90 #ifdef COMPILER1
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91 C1_FLAGS(C1_DEVELOP_FLAG_MEMBER, C1_PD_DEVELOP_FLAG_MEMBER, C1_PRODUCT_FLAG_MEMBER, C1_PD_PRODUCT_FLAG_MEMBER, C1_NOTPRODUCT_FLAG_MEMBER)
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92 #endif
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93 #ifdef COMPILER2
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94 C2_FLAGS(C2_DEVELOP_FLAG_MEMBER, C2_PD_DEVELOP_FLAG_MEMBER, C2_PRODUCT_FLAG_MEMBER, C2_PD_PRODUCT_FLAG_MEMBER, C2_DIAGNOSTIC_FLAG_MEMBER, C2_EXPERIMENTAL_FLAG_MEMBER, C2_NOTPRODUCT_FLAG_MEMBER)
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95 #endif
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96 NUM_CommandLineFlag
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97 } CommandLineFlag;
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98
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99 // Construct enum of Flag_<cmdline-arg>_<type> constants.
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100
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101 #define FLAG_MEMBER_WITH_TYPE(flag,type) Flag_##flag##_##type
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102
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103 #define RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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104 #define RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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105 #define RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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106 #define RUNTIME_EXPERIMENTAL_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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107 #define RUNTIME_MANAGEABLE_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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108 #define RUNTIME_PRODUCT_RW_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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109 #ifdef PRODUCT
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110 #define RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
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111 #define RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) /* flag is constant */
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112 #define RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc)
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113 #else
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114 #define RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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115 #define RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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116 #define RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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117 #endif
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118
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119 #define C1_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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120 #define C1_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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121 #ifdef PRODUCT
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122 #define C1_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
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123 #define C1_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) /* flag is constant */
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124 #define C1_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc)
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125 #else
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126 #define C1_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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127 #define C1_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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128 #define C1_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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129 #endif
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130 #ifdef _LP64
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131 #define RUNTIME_LP64_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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132 #else
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133 #define RUNTIME_LP64_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
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134 #endif // _LP64
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135
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136
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137 #define C2_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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138 #define C2_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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139 #define C2_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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140 #define C2_EXPERIMENTAL_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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141 #ifdef PRODUCT
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142 #define C2_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) /* flag is constant */
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143 #define C2_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) /* flag is constant */
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144 #define C2_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc)
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145 #else
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146 #define C2_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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147 #define C2_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE(type, name, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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148 #define C2_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE(type, name, value, doc) FLAG_MEMBER_WITH_TYPE(name,type),
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149 #endif
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150
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151 typedef enum {
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152 RUNTIME_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE,
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153 RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE,
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154 RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE,
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155 RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE,
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156 RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE,
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157 RUNTIME_EXPERIMENTAL_FLAG_MEMBER_WITH_TYPE,
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158 RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE,
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159 RUNTIME_MANAGEABLE_FLAG_MEMBER_WITH_TYPE,
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160 RUNTIME_PRODUCT_RW_FLAG_MEMBER_WITH_TYPE,
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161 RUNTIME_LP64_PRODUCT_FLAG_MEMBER_WITH_TYPE)
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162 RUNTIME_OS_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE,
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163 RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE,
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164 RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE,
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165 RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE,
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166 RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE,
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167 RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE)
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168 #ifndef KERNEL
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169 G1_FLAGS(RUNTIME_DEVELOP_FLAG_MEMBER_WITH_TYPE,
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170 RUNTIME_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE,
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171 RUNTIME_PRODUCT_FLAG_MEMBER_WITH_TYPE,
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172 RUNTIME_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE,
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173 RUNTIME_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE,
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174 RUNTIME_EXPERIMENTAL_FLAG_MEMBER_WITH_TYPE,
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175 RUNTIME_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE,
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176 RUNTIME_MANAGEABLE_FLAG_MEMBER_WITH_TYPE,
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177 RUNTIME_PRODUCT_RW_FLAG_MEMBER_WITH_TYPE)
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178 #endif // KERNEL
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179 #ifdef COMPILER1
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180 C1_FLAGS(C1_DEVELOP_FLAG_MEMBER_WITH_TYPE,
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181 C1_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE,
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182 C1_PRODUCT_FLAG_MEMBER_WITH_TYPE,
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183 C1_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE,
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184 C1_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE)
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185 #endif
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186 #ifdef COMPILER2
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187 C2_FLAGS(C2_DEVELOP_FLAG_MEMBER_WITH_TYPE,
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188 C2_PD_DEVELOP_FLAG_MEMBER_WITH_TYPE,
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189 C2_PRODUCT_FLAG_MEMBER_WITH_TYPE,
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190 C2_PD_PRODUCT_FLAG_MEMBER_WITH_TYPE,
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191 C2_DIAGNOSTIC_FLAG_MEMBER_WITH_TYPE,
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192 C2_EXPERIMENTAL_FLAG_MEMBER_WITH_TYPE,
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193 C2_NOTPRODUCT_FLAG_MEMBER_WITH_TYPE)
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194 #endif
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195 NUM_CommandLineFlagWithType
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196 } CommandLineFlagWithType;
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197
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198 #define FLAG_IS_DEFAULT(name) (CommandLineFlagsEx::is_default(FLAG_MEMBER(name)))
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199 #define FLAG_IS_ERGO(name) (CommandLineFlagsEx::is_ergo(FLAG_MEMBER(name)))
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200 #define FLAG_IS_CMDLINE(name) (CommandLineFlagsEx::is_cmdline(FLAG_MEMBER(name)))
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201
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202 #define FLAG_SET_DEFAULT(name, value) ((name) = (value))
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203
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204 #define FLAG_SET_CMDLINE(type, name, value) (CommandLineFlagsEx::type##AtPut(FLAG_MEMBER_WITH_TYPE(name,type), (type)(value), COMMAND_LINE))
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205 #define FLAG_SET_ERGO(type, name, value) (CommandLineFlagsEx::type##AtPut(FLAG_MEMBER_WITH_TYPE(name,type), (type)(value), ERGONOMIC))
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206
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207 // Can't put the following in CommandLineFlags because
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208 // of a circular dependency on the enum definition.
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209 class CommandLineFlagsEx : CommandLineFlags {
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210 public:
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211 static void boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin);
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212 static void intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin);
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213 static void uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin);
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214 static void uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin);
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215 static void doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin);
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216 static void ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin);
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217
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218 static bool is_default(CommandLineFlag flag);
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219 static bool is_ergo(CommandLineFlag flag);
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220 static bool is_cmdline(CommandLineFlag flag);
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221 };
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222
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223 #endif // SHARE_VM_RUNTIME_GLOBALS_EXTENSION_HPP