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1 /*
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2 * Copyright 1997-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 # include "incls/_precompiled.incl"
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26 # include "incls/_init.cpp.incl"
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27
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28 // Initialization done by VM thread in vm_init_globals()
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29 void check_ThreadShadow();
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30 void check_basic_types();
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31 void eventlog_init();
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32 void mutex_init();
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33 void chunkpool_init();
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34 void perfMemory_init();
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35
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36 // Initialization done by Java thread in init_globals()
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37 void management_init();
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38 void vtune_init();
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39 void bytecodes_init();
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40 void classLoader_init();
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41 void codeCache_init();
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42 void VM_Version_init();
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43 void JDK_Version_init();
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44 void stubRoutines_init1();
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45 jint universe_init(); // dependent on codeCache_init and stubRoutines_init
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46 void interpreter_init(); // before any methods loaded
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47 void invocationCounter_init(); // before any methods loaded
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48 void marksweep_init();
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49 void accessFlags_init();
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50 void templateTable_init();
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51 void InterfaceSupport_init();
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52 void universe2_init(); // dependent on codeCache_init and stubRoutines_init
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53 void referenceProcessor_init();
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54 void jni_handles_init();
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55 void vmStructs_init();
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56
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57 void vtableStubs_init();
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58 void InlineCacheBuffer_init();
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59 void compilerOracle_init();
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60 void compilationPolicy_init();
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61
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62
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63 // Initialization after compiler initialization
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64 bool universe_post_init(); // must happen after compiler_init
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65 void javaClasses_init(); // must happen after vtable initialization
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66 void stubRoutines_init2(); // note: StubRoutines need 2-phase init
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67
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68 // Do not disable thread-local-storage, as it is important for some
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69 // JNI/JVM/JVMTI functions and signal handlers to work properly
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70 // during VM shutdown
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71 void perfMemory_exit();
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72 void ostream_exit();
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73
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74 void vm_init_globals() {
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75 check_ThreadShadow();
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76 check_basic_types();
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77 eventlog_init();
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78 mutex_init();
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79 chunkpool_init();
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80 perfMemory_init();
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81 }
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82
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83
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84 jint init_globals() {
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85 HandleMark hm;
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86 management_init();
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87 vtune_init();
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88 bytecodes_init();
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89 classLoader_init();
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90 codeCache_init();
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91 VM_Version_init();
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92 JDK_Version_init();
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93 stubRoutines_init1();
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94 jint status = universe_init(); // dependent on codeCache_init and stubRoutines_init
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95 if (status != JNI_OK)
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96 return status;
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97
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98 interpreter_init(); // before any methods loaded
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99 invocationCounter_init(); // before any methods loaded
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100 marksweep_init();
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101 accessFlags_init();
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102 templateTable_init();
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103 InterfaceSupport_init();
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104 SharedRuntime::generate_stubs();
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105 universe2_init(); // dependent on codeCache_init and stubRoutines_init
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106 referenceProcessor_init();
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107 jni_handles_init();
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108 #ifndef VM_STRUCTS_KERNEL
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109 vmStructs_init();
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110 #endif // VM_STRUCTS_KERNEL
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111
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112 vtableStubs_init();
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113 InlineCacheBuffer_init();
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114 compilerOracle_init();
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115 compilationPolicy_init();
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116 VMRegImpl::set_regName();
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117
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118 if (!universe_post_init()) {
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119 return JNI_ERR;
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120 }
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121 javaClasses_init(); // must happen after vtable initialization
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122 stubRoutines_init2(); // note: StubRoutines need 2-phase init
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123
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124 // Although we'd like to, we can't easily do a heap verify
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125 // here because the main thread isn't yet a JavaThread, so
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126 // its TLAB may not be made parseable from the usual interfaces.
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127 if (VerifyBeforeGC && !UseTLAB &&
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128 Universe::heap()->total_collections() >= VerifyGCStartAt) {
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129 Universe::heap()->prepare_for_verify();
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130 Universe::verify(); // make sure we're starting with a clean slate
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131 }
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132
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133 return JNI_OK;
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134 }
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135
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136
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137 void exit_globals() {
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138 static bool destructorsCalled = false;
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139 if (!destructorsCalled) {
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140 destructorsCalled = true;
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141 perfMemory_exit();
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142 if (PrintSafepointStatistics) {
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143 // Print the collected safepoint statistics.
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144 SafepointSynchronize::print_stat_on_exit();
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145 }
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146 ostream_exit();
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147 }
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148 }
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149
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150
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151 static bool _init_completed = false;
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152
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153 bool is_init_completed() {
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154 return _init_completed;
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155 }
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156
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157
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158 void set_init_completed() {
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159 _init_completed = true;
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160 }
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