4006
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1 /*
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2 * Copyright (c) 2003, 2011, 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 /*
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26 * This is to provide sanity check in jhelper.d which compares SCCS
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27 * versions of generateJvmOffsets.cpp used to create and extract
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28 * contents of __JvmOffsets[] table.
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29 * The __JvmOffsets[] table is located in generated JvmOffsets.cpp.
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30 *
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31 * GENOFFS_SCCS_VER 34
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32 */
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33
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34 #include "generateJvmOffsets.h"
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35
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36 /* A workaround for private and protected fields */
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37 #define private public
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38 #define protected public
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39
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40 // not on macosx #include <proc_service.h>
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41 #include "code/codeBlob.hpp"
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42 #include "code/nmethod.hpp"
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43 #include "code/pcDesc.hpp"
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44 #include "gc_interface/collectedHeap.hpp"
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45 #include "memory/heap.hpp"
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46 #include "memory/memRegion.hpp"
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47 #include "memory/universe.hpp"
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48 #include "oops/constMethodOop.hpp"
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49 #include "oops/klass.hpp"
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50 #include "oops/methodOop.hpp"
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51 #include "oops/oop.hpp"
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52 #include "oops/symbol.hpp"
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53 #include "runtime/virtualspace.hpp"
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54 #include "runtime/vmStructs.hpp"
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55 #include "utilities/accessFlags.hpp"
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56 #include "utilities/globalDefinitions.hpp"
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57
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58 // These are defined somewhere for Solaris
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59 #define PR_MODEL_ILP32 1
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60 #define PR_MODEL_LP64 2
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61
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62 #ifdef COMPILER1
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63 #if defined(DEBUG) || defined(FASTDEBUG)
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64
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65 /*
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66 * To avoid the most part of potential link errors
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67 * we link this program with -z nodefs .
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68 *
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69 * But for 'debug1' and 'fastdebug1' we still have to provide
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70 * a particular workaround for the following symbols bellow.
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71 * It will be good to find out a generic way in the future.
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72 */
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73
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74 #pragma weak tty
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75 #pragma weak CMSExpAvgFactor
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76
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77 #if defined(i386) || defined(__i386) || defined(__amd64)
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78 #pragma weak noreg
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79 #endif /* i386 */
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80
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81 LIR_Opr LIR_OprFact::illegalOpr = (LIR_Opr) 0;
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82
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83 address StubRoutines::_call_stub_return_address = NULL;
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84
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85 StubQueue* AbstractInterpreter::_code = NULL;
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86
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87 #endif /* defined(DEBUG) || defined(FASTDEBUG) */
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88 #endif /* COMPILER1 */
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89
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90 #define GEN_OFFS(Type,Name) \
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91 switch(gen_variant) { \
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92 case GEN_OFFSET: \
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93 printf("#define OFFSET_%-33s %ld\n", \
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94 #Type #Name, offset_of(Type, Name)); \
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95 break; \
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96 case GEN_INDEX: \
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97 printf("#define IDX_OFFSET_%-33s %d\n", \
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98 #Type #Name, index++); \
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99 break; \
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100 case GEN_TABLE: \
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101 printf("\tOFFSET_%s,\n", #Type #Name); \
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102 break; \
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103 }
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104
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105 #define GEN_SIZE(Type) \
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106 switch(gen_variant) { \
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107 case GEN_OFFSET: \
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108 printf("#define SIZE_%-35s %ld\n", \
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109 #Type, sizeof(Type)); \
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110 break; \
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111 case GEN_INDEX: \
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112 printf("#define IDX_SIZE_%-35s %d\n", \
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113 #Type, index++); \
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114 break; \
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115 case GEN_TABLE: \
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116 printf("\tSIZE_%s,\n", #Type); \
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117 break; \
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118 }
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119
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120 #define GEN_VALUE(String,Value) \
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121 switch(gen_variant) { \
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122 case GEN_OFFSET: \
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123 printf("#define %-40s %d\n", #String, Value); \
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124 break; \
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125 case GEN_INDEX: \
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126 printf("#define IDX_%-40s %d\n", #String, index++); \
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127 break; \
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128 case GEN_TABLE: \
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129 printf("\t" #String ",\n"); \
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130 break; \
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131 }
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132
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133 void gen_prologue(GEN_variant gen_variant) {
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134 const char *suffix;
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135
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136 switch(gen_variant) {
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137 case GEN_OFFSET: suffix = ".h"; break;
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138 case GEN_INDEX: suffix = "Index.h"; break;
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139 case GEN_TABLE: suffix = ".cpp"; break;
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140 }
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141
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142 printf("/*\n");
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143 printf(" * JvmOffsets%s !!!DO NOT EDIT!!! \n", suffix);
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144 printf(" * The generateJvmOffsets program generates this file!\n");
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145 printf(" */\n\n");
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146 switch(gen_variant) {
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147
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148 case GEN_OFFSET:
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149 case GEN_INDEX:
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150 break;
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151
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152 case GEN_TABLE:
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153 printf("#include \"JvmOffsets.h\"\n");
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154 printf("\n");
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155 printf("int __JvmOffsets[] = {\n");
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156 break;
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157 }
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158 }
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159
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160 void gen_epilogue(GEN_variant gen_variant) {
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161 if (gen_variant != GEN_TABLE) {
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162 return;
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163 }
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164 printf("};\n\n");
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165 return;
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166 }
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167
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168 int generateJvmOffsets(GEN_variant gen_variant) {
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169 int index = 0; /* It is used to generate JvmOffsetsIndex.h */
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170 int pointer_size = sizeof(void *);
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171 int data_model = (pointer_size == 4) ? PR_MODEL_ILP32 : PR_MODEL_LP64;
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172
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173 gen_prologue(gen_variant);
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174
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175 GEN_VALUE(DATA_MODEL, data_model);
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176 GEN_VALUE(POINTER_SIZE, pointer_size);
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177 #if defined(TIERED)
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178 GEN_VALUE(COMPILER, 3);
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179 #elif COMPILER1
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180 GEN_VALUE(COMPILER, 1);
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181 #elif COMPILER2
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182 GEN_VALUE(COMPILER, 2);
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183 #else
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184 GEN_VALUE(COMPILER, 0);
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185 #endif // COMPILER1 && COMPILER2
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186 printf("\n");
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187
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188 GEN_OFFS(CollectedHeap, _reserved);
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189 GEN_OFFS(MemRegion, _start);
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190 GEN_OFFS(MemRegion, _word_size);
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191 GEN_SIZE(HeapWord);
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192 printf("\n");
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193
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194 GEN_OFFS(VMStructEntry, typeName);
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195 GEN_OFFS(VMStructEntry, fieldName);
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196 GEN_OFFS(VMStructEntry, address);
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197 GEN_SIZE(VMStructEntry);
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198 printf("\n");
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199
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200 GEN_VALUE(MAX_METHOD_CODE_SIZE, max_method_code_size);
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201 #if defined(sparc) || defined(__sparc)
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202 GEN_VALUE(OFFSET_interpreter_frame_method, 2 * pointer_size); /* L2 in saved window */
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203 GEN_VALUE(OFFSET_interpreter_frame_sender_sp, 13 * pointer_size); /* I5 in saved window */
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204 // Fake value for consistency. It is not going to be used.
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205 GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, 0xFFFF);
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206 #elif defined(i386) || defined(__i386) || defined(__amd64)
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207 GEN_VALUE(OFFSET_interpreter_frame_sender_sp, -1 * pointer_size);
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208 GEN_VALUE(OFFSET_interpreter_frame_method, -3 * pointer_size);
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209 GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, -7 * pointer_size);
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210 #endif
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211
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212 GEN_OFFS(Klass, _name);
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213 GEN_OFFS(constantPoolOopDesc, _pool_holder);
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214 printf("\n");
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215
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216 GEN_VALUE(OFFSET_HeapBlockHeader_used, (int) offset_of(HeapBlock::Header, _used));
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217 GEN_OFFS(oopDesc, _metadata);
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218 printf("\n");
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219
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220 GEN_VALUE(AccessFlags_NATIVE, JVM_ACC_NATIVE);
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221 GEN_VALUE(constMethodOopDesc_has_linenumber_table, constMethodOopDesc::_has_linenumber_table);
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222 GEN_OFFS(AccessFlags, _flags);
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223 GEN_OFFS(Symbol, _length);
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224 GEN_OFFS(Symbol, _body);
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225 printf("\n");
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226
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227 GEN_OFFS(methodOopDesc, _constMethod);
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228 GEN_OFFS(methodOopDesc, _constants);
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229 GEN_OFFS(methodOopDesc, _access_flags);
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230 printf("\n");
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231
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232 GEN_OFFS(constMethodOopDesc, _flags);
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233 GEN_OFFS(constMethodOopDesc, _code_size);
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234 GEN_OFFS(constMethodOopDesc, _name_index);
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235 GEN_OFFS(constMethodOopDesc, _signature_index);
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236 printf("\n");
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237
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238 GEN_OFFS(CodeHeap, _memory);
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239 GEN_OFFS(CodeHeap, _segmap);
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240 GEN_OFFS(CodeHeap, _log2_segment_size);
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241 printf("\n");
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242
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243 GEN_OFFS(VirtualSpace, _low_boundary);
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244 GEN_OFFS(VirtualSpace, _high_boundary);
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245 GEN_OFFS(VirtualSpace, _low);
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246 GEN_OFFS(VirtualSpace, _high);
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247 printf("\n");
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248
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249 GEN_OFFS(CodeBlob, _name);
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250 GEN_OFFS(CodeBlob, _header_size);
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251 GEN_OFFS(CodeBlob, _content_offset);
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252 GEN_OFFS(CodeBlob, _code_offset);
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253 GEN_OFFS(CodeBlob, _data_offset);
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254 GEN_OFFS(CodeBlob, _frame_size);
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255 printf("\n");
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256
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257 GEN_OFFS(nmethod, _method);
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258 GEN_OFFS(nmethod, _oops_offset);
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259 GEN_OFFS(nmethod, _scopes_data_offset);
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260 GEN_OFFS(nmethod, _scopes_pcs_offset);
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261 GEN_OFFS(nmethod, _handler_table_offset);
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262 GEN_OFFS(nmethod, _deoptimize_offset);
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263 GEN_OFFS(nmethod, _orig_pc_offset);
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264
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265 GEN_OFFS(PcDesc, _pc_offset);
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266 GEN_OFFS(PcDesc, _scope_decode_offset);
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267
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268 printf("\n");
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269
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270 GEN_OFFS(NarrowOopStruct, _base);
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271 GEN_OFFS(NarrowOopStruct, _shift);
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272 printf("\n");
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273
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274 GEN_VALUE(SIZE_HeapBlockHeader, (int) sizeof(HeapBlock::Header));
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275 GEN_SIZE(oopDesc);
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276 GEN_SIZE(constantPoolOopDesc);
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277 printf("\n");
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278
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279 GEN_SIZE(PcDesc);
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280 GEN_SIZE(methodOopDesc);
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281 GEN_SIZE(constMethodOopDesc);
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282 GEN_SIZE(nmethod);
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283 GEN_SIZE(CodeBlob);
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284 GEN_SIZE(BufferBlob);
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285 GEN_SIZE(SingletonBlob);
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286 GEN_SIZE(RuntimeStub);
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287 GEN_SIZE(SafepointBlob);
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288
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289 gen_epilogue(gen_variant);
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290 printf("\n");
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291
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292 fflush(stdout);
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293 return 0;
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294 }
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