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1 /*
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2 * Copyright 2003-2007 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 /*
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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 #include <proc_service.h>
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41 #include "incls/_precompiled.incl"
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42 #include "incls/_vmStructs.cpp.incl"
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43
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44 #ifdef COMPILER1
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45 #if defined(DEBUG) || defined(FASTDEBUG)
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46
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47 /*
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48 * To avoid the most part of potential link errors
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49 * we link this program with -z nodefs .
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50 *
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51 * But for 'debug1' and 'fastdebug1' we still have to provide
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52 * a particular workaround for the following symbols bellow.
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53 * It will be good to find out a generic way in the future.
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54 */
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55
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56 #pragma weak tty
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57 #pragma weak CMSExpAvgFactor
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58
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59 #if defined(i386) || defined(__i386) || defined(__amd64)
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60 #pragma weak noreg
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61 #endif /* i386 */
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62
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63 LIR_Opr LIR_OprFact::illegalOpr = (LIR_Opr) 0;
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64
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65 address StubRoutines::_call_stub_return_address = NULL;
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66
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67 StubQueue* AbstractInterpreter::_code = NULL;
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68
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69 #endif /* defined(DEBUG) || defined(FASTDEBUG) */
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70 #endif /* COMPILER1 */
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71
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72 #define GEN_OFFS(Type,Name) \
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73 switch(gen_variant) { \
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74 case GEN_OFFSET: \
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75 printf("#define OFFSET_%-33s %d\n", \
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76 #Type #Name, offset_of(Type, Name)); \
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77 break; \
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78 case GEN_INDEX: \
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79 printf("#define IDX_OFFSET_%-33s %d\n", \
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80 #Type #Name, index++); \
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81 break; \
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82 case GEN_TABLE: \
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83 printf("\tOFFSET_%s,\n", #Type #Name); \
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84 break; \
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85 }
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86
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87 #define GEN_SIZE(Type) \
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88 switch(gen_variant) { \
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89 case GEN_OFFSET: \
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90 printf("#define SIZE_%-35s %d\n", \
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91 #Type, sizeof(Type)); \
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92 break; \
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93 case GEN_INDEX: \
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94 printf("#define IDX_SIZE_%-35s %d\n", \
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95 #Type, index++); \
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96 break; \
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97 case GEN_TABLE: \
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98 printf("\tSIZE_%s,\n", #Type); \
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99 break; \
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100 }
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101
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102 #define GEN_VALUE(String,Value) \
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103 switch(gen_variant) { \
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104 case GEN_OFFSET: \
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105 printf("#define %-40s %d\n", #String, Value); \
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106 break; \
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107 case GEN_INDEX: \
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108 printf("#define IDX_%-40s %d\n", #String, index++); \
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109 break; \
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110 case GEN_TABLE: \
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111 printf("\t" #String ",\n"); \
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112 break; \
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113 }
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114
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115 void gen_prologue(GEN_variant gen_variant) {
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116 const char *suffix;
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117
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118 switch(gen_variant) {
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119 case GEN_OFFSET: suffix = ".h"; break;
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120 case GEN_INDEX: suffix = "Index.h"; break;
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121 case GEN_TABLE: suffix = ".cpp"; break;
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122 }
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123
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124 printf("/*\n");
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125 printf(" * JvmOffsets%s !!!DO NOT EDIT!!! \n", suffix);
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126 printf(" * The generateJvmOffsets program generates this file!\n");
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127 printf(" */\n\n");
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128 switch(gen_variant) {
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129
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130 case GEN_OFFSET:
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131 case GEN_INDEX:
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132 break;
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133
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134 case GEN_TABLE:
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135 printf("#include \"JvmOffsets.h\"\n");
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136 printf("\n");
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137 printf("int __JvmOffsets[] = {\n");
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138 break;
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139 }
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140 }
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141
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142 void gen_epilogue(GEN_variant gen_variant) {
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143 if (gen_variant != GEN_TABLE) {
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144 return;
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145 }
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146 printf("};\n\n");
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147 return;
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148 }
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149
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150 int generateJvmOffsets(GEN_variant gen_variant) {
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151 int index = 0; /* It is used to generate JvmOffsetsIndex.h */
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152 int pointer_size = sizeof(void *);
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153 int data_model = (pointer_size == 4) ? PR_MODEL_ILP32 : PR_MODEL_LP64;
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154
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155 gen_prologue(gen_variant);
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156
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157 GEN_VALUE(DATA_MODEL, data_model);
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158 GEN_VALUE(POINTER_SIZE, pointer_size);
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159 #if defined(TIERED)
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160 GEN_VALUE(COMPILER, 3);
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161 #elif COMPILER1
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162 GEN_VALUE(COMPILER, 1);
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163 #elif COMPILER2
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164 GEN_VALUE(COMPILER, 2);
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165 #else
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166 GEN_VALUE(COMPILER, 0);
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167 #endif // COMPILER1 && COMPILER2
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168 printf("\n");
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169
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170 GEN_OFFS(CollectedHeap, _reserved);
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171 GEN_OFFS(MemRegion, _start);
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172 GEN_OFFS(MemRegion, _word_size);
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173 GEN_SIZE(HeapWord);
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174 printf("\n");
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175
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176 GEN_OFFS(VMStructEntry, typeName);
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177 GEN_OFFS(VMStructEntry, fieldName);
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178 GEN_OFFS(VMStructEntry, address);
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179 GEN_SIZE(VMStructEntry);
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180 printf("\n");
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181
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182 GEN_VALUE(MAX_METHOD_CODE_SIZE, max_method_code_size);
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183 #if defined(sparc) || defined(__sparc)
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184 GEN_VALUE(OFFSET_interpreter_frame_method, 2 * pointer_size); /* L2 in saved window */
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185 GEN_VALUE(OFFSET_interpreter_frame_sender_sp, 13 * pointer_size); /* I5 in saved window */
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186 // Fake value for consistency. It is not going to be used.
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187 GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, 0xFFFF);
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188 #elif defined(i386) || defined(__i386) || defined(__amd64)
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189 GEN_VALUE(OFFSET_interpreter_frame_sender_sp, -1 * pointer_size);
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190 GEN_VALUE(OFFSET_interpreter_frame_method, -3 * pointer_size);
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191 GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, -7 * pointer_size);
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192 #endif
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193
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194 GEN_OFFS(Klass, _name);
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195 GEN_OFFS(constantPoolOopDesc, _pool_holder);
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196 printf("\n");
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197
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198 GEN_VALUE(OFFSET_HeapBlockHeader_used, offset_of(HeapBlock::Header, _used));
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199 GEN_OFFS(oopDesc, _klass);
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200 printf("\n");
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201
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202 GEN_VALUE(AccessFlags_NATIVE, JVM_ACC_NATIVE);
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203 GEN_VALUE(constMethodOopDesc_has_linenumber_table, constMethodOopDesc::_has_linenumber_table);
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204 GEN_OFFS(AccessFlags, _flags);
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205 GEN_OFFS(symbolOopDesc, _length);
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206 GEN_OFFS(symbolOopDesc, _body);
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207 printf("\n");
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208
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209 GEN_OFFS(methodOopDesc, _constMethod);
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210 GEN_OFFS(methodOopDesc, _constants);
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211 GEN_OFFS(methodOopDesc, _access_flags);
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212 printf("\n");
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213
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214 GEN_OFFS(constMethodOopDesc, _flags);
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215 GEN_OFFS(constMethodOopDesc, _code_size);
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216 GEN_OFFS(constMethodOopDesc, _name_index);
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217 GEN_OFFS(constMethodOopDesc, _signature_index);
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218 printf("\n");
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219
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220 GEN_OFFS(CodeHeap, _memory);
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221 GEN_OFFS(CodeHeap, _segmap);
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222 GEN_OFFS(CodeHeap, _log2_segment_size);
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223 printf("\n");
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224
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225 GEN_OFFS(VirtualSpace, _low_boundary);
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226 GEN_OFFS(VirtualSpace, _high_boundary);
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227 GEN_OFFS(VirtualSpace, _low);
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228 GEN_OFFS(VirtualSpace, _high);
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229 printf("\n");
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230
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231 GEN_OFFS(CodeBlob, _name);
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232 GEN_OFFS(CodeBlob, _header_size);
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233 GEN_OFFS(CodeBlob, _instructions_offset);
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234 GEN_OFFS(CodeBlob, _data_offset);
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235 GEN_OFFS(CodeBlob, _oops_offset);
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236 GEN_OFFS(CodeBlob, _oops_length);
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237 GEN_OFFS(CodeBlob, _frame_size);
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238 printf("\n");
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239
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240 GEN_OFFS(nmethod, _method);
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241 GEN_OFFS(nmethod, _scopes_data_offset);
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242 GEN_OFFS(nmethod, _scopes_pcs_offset);
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243 GEN_OFFS(nmethod, _handler_table_offset);
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244 GEN_OFFS(nmethod, _deoptimize_offset);
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245 GEN_OFFS(nmethod, _orig_pc_offset);
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246
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247 GEN_OFFS(PcDesc, _pc_offset);
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248 GEN_OFFS(PcDesc, _scope_decode_offset);
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249
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250 printf("\n");
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251
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252 GEN_VALUE(SIZE_HeapBlockHeader, sizeof(HeapBlock::Header));
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253 GEN_SIZE(oopDesc);
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254 GEN_SIZE(constantPoolOopDesc);
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255 printf("\n");
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256
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257 GEN_SIZE(PcDesc);
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258 GEN_SIZE(methodOopDesc);
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259 GEN_SIZE(constMethodOopDesc);
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260 GEN_SIZE(nmethod);
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261 GEN_SIZE(CodeBlob);
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262 GEN_SIZE(BufferBlob);
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263 GEN_SIZE(SingletonBlob);
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264 GEN_SIZE(RuntimeStub);
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265 GEN_SIZE(SafepointBlob);
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266
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267 gen_epilogue(gen_variant);
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268 printf("\n");
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269
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270 fflush(stdout);
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271 return 0;
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272 }
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