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annotate src/share/vm/c1x/c1x_Compiler.cpp @ 1422:3483ec571caf

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* using reflected objects instead of oops * removed scratch from allocatable registers * instanceof xir snippet * arraylength xir snippet * exceptionobject xir snippet * VMEntries and VMExits as interfaces * calls to VMEntries and VMExits are routet through logging proxies
author Lukas Stadler <lukas.stadler@oracle.com>
date Mon, 02 Aug 2010 15:44:38 -0700
parents 6223633ce7dd
children 760213a60e8b
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1 /*
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2 * Copyright 2000-2010 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 # include "incls/_precompiled.incl"
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27 # include "incls/_c1x_Compiler.cpp.incl"
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29
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30 // Initialization
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31 void C1XCompiler::initialize() {
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32 if (_initialized) return;
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33 _initialized = true;
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34 TRACE_C1X_1("initialize");
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35
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36 JNIEnv *env = ((JavaThread *)Thread::current())->jni_environment();
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37 jclass klass = env->FindClass("com/sun/hotspot/c1x/VMEntriesNative");
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38 assert(klass != NULL, "c1x VMEntries class not found");
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39 env->RegisterNatives(klass, VMEntries_methods, VMEntries_methods_count() );
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40
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41 check_pending_exception("Could not register natives");
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42 }
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43
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44 // Compilation entry point for methods
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45 void C1XCompiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci) {
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46 initialize();
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47
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48 VM_ENTRY_MARK;
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49
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50 ResourceMark rm;
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51 HandleMark hm;
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52
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53 CompilerThread::current()->set_compiling(true);
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54 VMExits::compileMethod((methodOop)target->get_oop(), entry_bci);
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55 CompilerThread::current()->set_compiling(false);
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56 }
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57
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58 // Print compilation timers and statistics
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59 void C1XCompiler::print_timers() {
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60 TRACE_C1X_1("print_timers");
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61 }
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62
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63 oop C1XCompiler::get_RiType(oop name, klassOop accessingType, TRAPS) {
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64 symbolOop klass = java_lang_String::as_symbol_or_null(name);
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65
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66 if (klass == vmSymbols::byte_signature()) {
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67 return VMExits::createRiTypePrimitive((int)T_BYTE, THREAD);
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68 } else if (klass == vmSymbols::char_signature()) {
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69 return VMExits::createRiTypePrimitive((int)T_CHAR, THREAD);
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70 } else if (klass == vmSymbols::double_signature()) {
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71 return VMExits::createRiTypePrimitive((int)T_DOUBLE, THREAD);
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72 } else if (klass == vmSymbols::float_signature()) {
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73 return VMExits::createRiTypePrimitive((int)T_FLOAT, THREAD);
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74 } else if (klass == vmSymbols::int_signature()) {
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75 return VMExits::createRiTypePrimitive((int)T_INT, THREAD);
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76 } else if (klass == vmSymbols::long_signature()) {
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77 return VMExits::createRiTypePrimitive((int)T_LONG, THREAD);
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78 } else if (klass == vmSymbols::bool_signature()) {
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79 return VMExits::createRiTypePrimitive((int)T_BOOLEAN, THREAD);
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80 }
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81 Handle classloader;
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82 if (accessingType != NULL) {
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83 classloader = accessingType->klass_part()->class_loader();
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84 }
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85 klassOop resolved_type = SystemDictionary::resolve_or_null(klass, classloader, accessingType->klass_part()->protection_domain(), Thread::current());
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86 if (resolved_type != NULL) {
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87 return VMExits::createRiType(resolved_type, THREAD);
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88 } else {
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89 return VMExits::createRiTypeUnresolved(klass, accessingType, THREAD);
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90 }
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91 }
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92
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93 oop C1XCompiler::get_RiType(ciType *type, klassOop accessor, TRAPS) {
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94 if (type->is_loaded()) {
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95 if (type->is_primitive_type()) {
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96 return VMExits::createRiTypePrimitive((int)type->basic_type(), THREAD);
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97 }
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98 return VMExits::createRiType((klassOop)type->get_oop(), THREAD);
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99 } else {
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100 return VMExits::createRiTypeUnresolved(((ciKlass *)type)->name()->get_symbolOop(), accessor, THREAD);
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101 }
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102 }
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103
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104 oop C1XCompiler::get_RiField(ciField *field, TRAPS) {
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105 oop field_holder = get_RiType(field->holder(), NULL, CHECK_0);
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106 oop field_type = get_RiType(field->type(), NULL, CHECK_0);
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107 symbolOop field_name = field->name()->get_symbolOop();
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108 int offset = field->offset();
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109
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110 // TODO: implement caching
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111 return VMExits::createRiField(field_holder, field_name, field_type, offset, THREAD);
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112 }
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113
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114 /*
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115 oop C1XCompiler::get_RiMethod(ciMethod *method, TRAPS) {
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116 methodOop m = (methodOop)method->get_oop();
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117 return get_RiMethod(m, THREAD);
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118 }
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119
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120 oop C1XCompiler::get_RiMethod(methodOop m, TRAPS) {
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121 // TODO: implement caching
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122 return VMExits::createRiMethod(m, THREAD);
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123 }
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124
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125
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126 oop C1XCompiler::get_RiType(klassOop klass, TRAPS) {
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127 // TODO: implement caching
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128 return VMExits::createRiType(klass, THREAD);
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129 }
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130
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131 oop C1XCompiler::get_RiConstantPool(constantPoolOop cp, TRAPS) {
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132 // TODO: implement caching
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133 return VMExits::createRiConstantPool(cp, THREAD);
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134 }
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135
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136 oop C1XCompiler::get_unresolved_RiType(symbolOop klass, klassOop accessingType, TRAPS) {
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137 // TODO: implement caching
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138 return VMExits::createRiTypeUnresolved(klass, accessingType, THREAD);
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139 }
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140 */
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141
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142 // conversion internal objects -> reflected objects
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143
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144 oop C1XObjects::getReflectedMethod(methodOop method, TRAPS) {
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145 if (method->is_initializer()) {
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146 return Reflection::new_constructor(method, CHECK_0);
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147 } else {
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148 return Reflection::new_method(method, UseNewReflection, false, CHECK_0);
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149 }
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150 }
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151
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152 oop C1XObjects::getReflectedClass(klassOop klass) {
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153 return klass->klass_part()->java_mirror();
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154 }
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155
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156 oop C1XObjects::getReflectedSymbol(symbolOop symbol, TRAPS) {
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157 return java_lang_String::create_from_symbol(symbol, THREAD)();
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158 }
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159
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160 // conversion reflected objects -> internal objects
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161
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162 methodOop C1XObjects::getInternalMethod(oop method) {
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163 // copied from JNIEnv::FromReflectedMethod
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164 oop mirror = NULL;
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165 int slot = 0;
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166
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167 if (method->klass() == SystemDictionary::reflect_Constructor_klass()) {
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168 mirror = java_lang_reflect_Constructor::clazz(method);
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169 slot = java_lang_reflect_Constructor::slot(method);
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170 } else {
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171 assert(method->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
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172 mirror = java_lang_reflect_Method::clazz(method);
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173 slot = java_lang_reflect_Method::slot(method);
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174 }
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175 klassOop k = java_lang_Class::as_klassOop(mirror);
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176 return instanceKlass::cast(k)->method_with_idnum(slot);
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177 }
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178
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179 klassOop C1XObjects::getInternalClass(oop klass) {
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180 return java_lang_Class::as_klassOop(klass);
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181 }
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182
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183 symbolOop C1XObjects::getInternalSymbol(oop string) {
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184 return java_lang_String::as_symbol_or_null(string);
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185 }
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186
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187
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188