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annotate src/share/vm/c1x/c1x_VMExits.cpp @ 1941:79d04223b8a5

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Added caching for resolved types and resolved fields. This is crucial, because the local load elimination will lead to wrong results, if field equality (of two RiField objects with the same object and the same RiType) is not given. The caching makes sure that the default equals implementation is sufficient.
author Thomas Wuerthinger <wuerthinger@ssw.jku.at>
date Tue, 28 Dec 2010 18:33:26 +0100
parents fe69dec9a1ed
children 9c96c873c42b
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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 # include "incls/_precompiled.incl"
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26 # include "incls/_c1x_VMExits.cpp.incl"
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27
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28 // this is a *global* handle
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29 jobject VMExits::_vmExitsPermObject;
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30 jobject VMExits::_vmExitsPermKlass;
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32 KlassHandle VMExits::vmExitsKlass() {
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33 if (JNIHandles::resolve(_vmExitsPermKlass) == NULL) {
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34 klassOop result = SystemDictionary::resolve_or_null(vmSymbols::com_sun_hotspot_c1x_VMExits(), SystemDictionary::java_system_loader(), NULL, Thread::current());
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35 if (result == NULL) {
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36 fatal("Could not find class com.sun.hotspot.c1x.VMExits");
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37 }
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38 _vmExitsPermKlass = JNIHandles::make_global(result);
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39 }
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40 return KlassHandle((klassOop)JNIHandles::resolve_non_null(_vmExitsPermKlass));
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41 }
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42
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43 Handle VMExits::instance() {
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44 if (JNIHandles::resolve(_vmExitsPermObject) == NULL) {
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45 KlassHandle compiler_klass = SystemDictionary::resolve_or_null(vmSymbols::com_sun_hotspot_c1x_Compiler(), SystemDictionary::java_system_loader(), NULL, Thread::current());
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46 if (compiler_klass.is_null()) {
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47 fatal("Could not find class com.sun.hotspot.c1x.Compiler");
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48 }
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49 JavaValue result(T_OBJECT);
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50 JavaCallArguments args;
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51 JavaCalls::call_static(&result, compiler_klass(), vmSymbols::getVMExits_name(), vmSymbols::getVMExits_signature(), &args, Thread::current());
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52 check_pending_exception("Couldn't get VMExits");
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53 oop res = (oop) result.get_jobject();
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54 _vmExitsPermObject = JNIHandles::make_global(res);
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55 }
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56 return Handle(JNIHandles::resolve_non_null(_vmExitsPermObject));
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57 }
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58
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59 jboolean VMExits::setOption(Handle option) {
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60 assert(!option.is_null(), "");
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61 Thread* THREAD = Thread::current();
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62 JavaValue result(T_BOOLEAN);
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63 JavaCallArguments args;
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64 args.push_oop(instance());
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65 args.push_oop(option);
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66 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::setOption_name(), vmSymbols::setOption_signature(), &args, THREAD);
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67 check_pending_exception("Error while calling setOption");
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68 return result.get_jboolean();
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69 }
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70
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71 void VMExits::compileMethod(jlong methodVmId, Handle name, int entry_bci) {
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72 assert(!name.is_null(), "just checking");
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73 Thread* THREAD = Thread::current();
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74 JavaValue result(T_VOID);
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75 JavaCallArguments args;
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76 args.push_oop(instance());
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77 args.push_long(methodVmId);
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78 args.push_oop(name);
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79 args.push_int(entry_bci);
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80 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::compileMethod_name(), vmSymbols::compileMethod_signature(), &args, THREAD);
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81 check_pending_exception("Error while calling compileMethod");
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82 }
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83
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84 oop VMExits::createRiMethodResolved(jlong vmId, Handle name, TRAPS) {
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85 assert(!name.is_null(), "just checking");
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86 JavaValue result(T_OBJECT);
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87 JavaCallArguments args;
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88 args.push_oop(instance());
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89 args.push_long(vmId);
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90 args.push_oop(name);
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91 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createRiMethodResolved_name(), vmSymbols::createRiMethodResolved_signature(), &args, THREAD);
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92 check_pending_exception("Error while calling createRiMethodResolved");
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93 return (oop) result.get_jobject();
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94 }
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95
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96 oop VMExits::createRiMethodUnresolved(Handle name, Handle signature, Handle holder, TRAPS) {
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97 assert(!name.is_null(), "just checking");
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98 JavaValue result(T_OBJECT);
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99 JavaCallArguments args;
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100 args.push_oop(instance());
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101 args.push_oop(name);
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102 args.push_oop(signature);
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103 args.push_oop(holder);
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104 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createRiMethodUnresolved_name(), vmSymbols::createRiMethodUnresolved_signature(), &args, THREAD);
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105 check_pending_exception("Error while calling createRiMethodUnresolved");
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106 return (oop) result.get_jobject();
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107 }
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108
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109 oop VMExits::createRiField(Handle holder, Handle name, Handle type, int index, TRAPS) {
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110 assert(!holder.is_null(), "just checking");
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111 assert(!name.is_null(), "just checking");
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112 assert(!type.is_null(), "just checking");
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113 JavaValue result(T_OBJECT);
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114 JavaCallArguments args;
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115 args.push_oop(instance());
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116 args.push_oop(holder);
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117 args.push_oop(name);
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118 args.push_oop(type);
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119 args.push_int(index);
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120 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createRiField_name(), vmSymbols::createRiField_signature(), &args, THREAD);
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121 check_pending_exception("Error while calling createRiField");
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122 return (oop) result.get_jobject();
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123 }
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124
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125 oop VMExits::createRiType(jlong vmId, Handle name, TRAPS) {
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126 assert(!name.is_null(), "just checking");
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127 JavaValue result(T_OBJECT);
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128 JavaCallArguments args;
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129 args.push_oop(instance());
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130 args.push_long(vmId);
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131 args.push_oop(name);
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132 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createRiType_name(), vmSymbols::createRiType_signature(), &args, THREAD);
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133 check_pending_exception("Error while calling createRiType");
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134 return (oop) result.get_jobject();
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135 }
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136
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137 oop VMExits::createRiTypePrimitive(int basic_type, TRAPS) {
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138 JavaValue result(T_OBJECT);
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139 JavaCallArguments args;
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140 args.push_oop(instance());
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141 args.push_int(basic_type);
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142 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createRiTypePrimitive_name(), vmSymbols::createRiTypePrimitive_signature(), &args, THREAD);
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143 check_pending_exception("Error while calling createRiTypePrimitive");
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144 return (oop) result.get_jobject();
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145 }
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146
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147 oop VMExits::createRiTypeUnresolved(Handle name, TRAPS) {
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148 assert(!name.is_null(), "just checking");
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149 JavaValue result(T_OBJECT);
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150 JavaCallArguments args;
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151 args.push_oop(instance());
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152 args.push_oop(name);
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153 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createRiTypeUnresolved_name(), vmSymbols::createRiTypeUnresolved_signature(), &args, THREAD);
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154 check_pending_exception("Error while calling createRiTypeUnresolved");
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155 return (oop) result.get_jobject();
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156 }
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157
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158 oop VMExits::createRiConstantPool(jlong vmId, TRAPS) {
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159 JavaValue result(T_OBJECT);
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160 JavaCallArguments args;
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161 args.push_oop(instance());
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162 args.push_long(vmId);
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163 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createRiConstantPool_name(), vmSymbols::createRiConstantPool_signature(), &args, THREAD);
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164 check_pending_exception("Error while calling createRiConstantPool");
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165 return (oop) result.get_jobject();
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166 }
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167
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168 oop VMExits::createRiSignature(Handle name, TRAPS) {
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169 assert(!name.is_null(), "just checking");
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170 JavaValue result(T_OBJECT);
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171 JavaCallArguments args;
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172 args.push_oop(instance());
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173 args.push_oop(name);
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174 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createRiSignature_name(), vmSymbols::createRiSignature_signature(), &args, THREAD);
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175 check_pending_exception("Error while calling createRiSignature");
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176 return (oop) result.get_jobject();
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177 }
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178
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179 oop VMExits::createCiConstant(Handle kind, jlong value, TRAPS) {
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180 JavaValue result(T_OBJECT);
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181 JavaCallArguments args;
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182 args.push_oop(instance());
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183 args.push_oop(kind());
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184 args.push_long(value);
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185 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createCiConstant_name(), vmSymbols::createCiConstant_signature(), &args, THREAD);
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186 check_pending_exception("Error while calling createCiConstantFloat");
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187 return (oop) result.get_jobject();
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188
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189 }
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190
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191 oop VMExits::createCiConstantFloat(jfloat value, TRAPS) {
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192 JavaValue result(T_OBJECT);
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193 JavaCallArguments args;
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194 args.push_oop(instance());
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195 args.push_float(value);
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196 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createCiConstantFloat_name(), vmSymbols::createCiConstantFloat_signature(), &args, THREAD);
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197 check_pending_exception("Error while calling createCiConstantFloat");
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198 return (oop) result.get_jobject();
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199
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200 }
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201
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202 oop VMExits::createCiConstantDouble(jdouble value, TRAPS) {
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203 JavaValue result(T_OBJECT);
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204 JavaCallArguments args;
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205 args.push_oop(instance());
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206 args.push_double(value);
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diff changeset
207 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createCiConstantDouble_name(), vmSymbols::createCiConstantDouble_signature(), &args, THREAD);
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208 check_pending_exception("Error while calling createCiConstantDouble");
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209 return (oop) result.get_jobject();
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210 }
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211
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212 oop VMExits::createCiConstantObject(Handle object, TRAPS) {
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213 JavaValue result(T_OBJECT);
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214 JavaCallArguments args;
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215 args.push_oop(instance());
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216 args.push_oop(object);
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217 JavaCalls::call_interface(&result, vmExitsKlass(), vmSymbols::createCiConstantObject_name(), vmSymbols::createCiConstantObject_signature(), &args, THREAD);
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218 check_pending_exception("Error while calling createCiConstantObject");
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diff changeset
219 return (oop) result.get_jobject();
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220 }