Mercurial > hg > graal-jvmci-8
annotate src/share/vm/graal/graalVMToCompiler.cpp @ 9126:bc26f978b0ce
HotSpotResolvedObjectType: implement hasFinalizeSubclass() correctly
don't use the (wrong) cached value, but ask the runtime on each request.
Fixes regression on xml.* benchmarks @ specjvm2008. The problem was:
After the constructor of Object was deoptimized due to an assumption violation,
it was recompiled again after some time. However, on recompilation, the value
of hasFinalizeSubclass for the class was not updated and it was compiled again
with a, now wrong, assumption, which then triggers deoptimization again.
This was repeated until it hit the recompilation limit (defined by
PerMethodRecompilationCutoff), and therefore only executed by the interpreter
from now on, causing the performance regression.
author | Bernhard Urban <bernhard.urban@jku.at> |
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date | Mon, 15 Apr 2013 19:54:58 +0200 |
parents | 8bbbde9d0a52 |
children | 2dc020b33a6e |
rev | line source |
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1 /* |
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2 * Copyright (c) 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 #include "precompiled.hpp" |
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25 #include "graal/graalVMToCompiler.hpp" |
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26 |
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27 // this is a *global* handle |
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28 jobject VMToCompiler::_graalRuntimePermObject = NULL; |
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29 jobject VMToCompiler::_vmToCompilerPermObject = NULL; |
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30 Klass* VMToCompiler::_vmToCompilerPermKlass = NULL; |
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31 |
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32 static Klass* loadClass(Symbol* name) { |
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33 Klass* klass = SystemDictionary::resolve_or_null(name, SystemDictionary::java_system_loader(), NULL, Thread::current()); |
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34 if (klass == NULL) { |
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35 tty->print_cr("Could not load class %s", name->as_C_string()); |
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36 vm_abort(false); |
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37 } |
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38 return klass; |
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39 } |
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40 |
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41 KlassHandle VMToCompiler::vmToCompilerKlass() { |
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42 if (_vmToCompilerPermKlass == NULL) { |
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43 Klass* result = loadClass(vmSymbols::com_oracle_graal_hotspot_bridge_VMToCompiler()); |
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44 _vmToCompilerPermKlass = result; |
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45 } |
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46 return _vmToCompilerPermKlass; |
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47 } |
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48 |
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49 Handle VMToCompiler::graalRuntime() { |
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50 if (JNIHandles::resolve(_graalRuntimePermObject) == NULL) { |
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51 #ifdef AMD64 |
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52 Symbol* name = vmSymbols::com_oracle_graal_hotspot_amd64_AMD64HotSpotGraalRuntime(); |
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53 #endif |
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54 KlassHandle klass = loadClass(name); |
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55 |
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56 JavaValue result(T_OBJECT); |
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57 JavaCalls::call_static(&result, klass, vmSymbols::makeInstance_name(), vmSymbols::getInstance_signature(), Thread::current()); |
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58 check_pending_exception("Couldn't initialize HotSpotGraalRuntime"); |
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59 _graalRuntimePermObject = JNIHandles::make_global((oop) result.get_jobject()); |
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60 } |
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61 return Handle(JNIHandles::resolve_non_null(_graalRuntimePermObject)); |
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62 } |
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63 |
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64 Handle VMToCompiler::instance() { |
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65 if (JNIHandles::resolve(_vmToCompilerPermObject) == NULL) { |
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66 KlassHandle compilerKlass = loadClass(vmSymbols::com_oracle_graal_hotspot_HotSpotGraalRuntime()); |
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67 |
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68 JavaValue result(T_OBJECT); |
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69 JavaCallArguments args; |
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70 args.set_receiver(graalRuntime()); |
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71 JavaCalls::call_virtual(&result, compilerKlass, vmSymbols::getVMToCompiler_name(), vmSymbols::getVMToCompiler_signature(), &args, Thread::current()); |
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72 check_pending_exception("Couldn't get VMToCompiler"); |
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73 _vmToCompilerPermObject = JNIHandles::make_global((oop) result.get_jobject()); |
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74 } |
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75 return Handle(JNIHandles::resolve_non_null(_vmToCompilerPermObject)); |
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76 } |
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77 |
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78 jboolean VMToCompiler::setOption(Handle option) { |
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79 assert(!option.is_null(), ""); |
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80 KlassHandle compilerKlass = loadClass(vmSymbols::com_oracle_graal_hotspot_HotSpotOptions()); |
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81 |
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82 Thread* THREAD = Thread::current(); |
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83 JavaValue result(T_BOOLEAN); |
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84 JavaCalls::call_static(&result, compilerKlass, vmSymbols::setOption_name(), vmSymbols::setOption_signature(), option, THREAD); |
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85 check_pending_exception("Error while calling setOption"); |
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86 return result.get_jboolean(); |
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87 } |
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88 |
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89 jboolean VMToCompiler::compileMethod(Method* method, Handle holder, int entry_bci, jboolean blocking, int priority) { |
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90 assert(method != NULL, "just checking"); |
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91 assert(!holder.is_null(), "just checking"); |
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92 Thread* THREAD = Thread::current(); |
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93 JavaValue result(T_BOOLEAN); |
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94 JavaCallArguments args; |
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95 args.push_oop(instance()); |
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96 args.push_long((jlong) (address) method); |
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97 args.push_oop(holder()); |
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98 args.push_int(entry_bci); |
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99 args.push_int(blocking); |
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100 args.push_int(priority); |
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101 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::compileMethod_name(), vmSymbols::compileMethod_signature(), &args, THREAD); |
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102 check_pending_exception("Error while calling compileMethod"); |
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103 return result.get_jboolean(); |
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104 } |
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105 |
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106 void VMToCompiler::shutdownCompiler() { |
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107 if (_graalRuntimePermObject != NULL) { |
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108 HandleMark hm; |
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109 JavaThread* THREAD = JavaThread::current(); |
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110 JavaValue result(T_VOID); |
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111 JavaCallArguments args; |
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112 args.push_oop(instance()); |
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113 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::shutdownCompiler_name(), vmSymbols::void_method_signature(), &args, THREAD); |
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114 check_pending_exception("Error while calling shutdownCompiler"); |
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115 |
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116 JNIHandles::destroy_global(_graalRuntimePermObject); |
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117 JNIHandles::destroy_global(_vmToCompilerPermObject); |
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118 //JNIHandles::destroy_global(_vmToCompilerPermKlass); |
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119 |
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120 _graalRuntimePermObject = NULL; |
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121 _vmToCompilerPermObject = NULL; |
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122 _vmToCompilerPermKlass = NULL; |
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123 } |
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124 } |
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125 |
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126 void VMToCompiler::startCompiler() { |
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127 JavaThread* THREAD = JavaThread::current(); |
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128 JavaValue result(T_VOID); |
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129 JavaCallArguments args; |
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130 args.push_oop(instance()); |
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131 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::startCompiler_name(), vmSymbols::void_method_signature(), &args, THREAD); |
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132 check_pending_exception("Error while calling startCompiler"); |
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133 } |
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134 |
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135 void VMToCompiler::bootstrap() { |
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136 JavaThread* THREAD = JavaThread::current(); |
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137 JavaValue result(T_VOID); |
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138 JavaCallArguments args; |
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139 args.push_oop(instance()); |
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140 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::bootstrap_name(), vmSymbols::void_method_signature(), &args, THREAD); |
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141 check_pending_exception("Error while calling boostrap"); |
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142 } |
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143 |
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144 oop VMToCompiler::createJavaField(Handle holder, Handle name, Handle type, int index, int flags, jboolean internal, TRAPS) { |
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145 assert(!holder.is_null(), "just checking"); |
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146 assert(!name.is_null(), "just checking"); |
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147 assert(!type.is_null(), "just checking"); |
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148 JavaValue result(T_OBJECT); |
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149 JavaCallArguments args; |
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150 args.push_oop(instance()); |
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151 args.push_oop(holder); |
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152 args.push_oop(name); |
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153 args.push_oop(type); |
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154 args.push_int(index); |
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155 args.push_int(flags); |
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156 args.push_int(internal); |
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157 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::createJavaField_name(), vmSymbols::createJavaField_signature(), &args, THREAD); |
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158 check_pending_exception("Error while calling createJavaField"); |
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159 assert(result.get_type() == T_OBJECT, "just checking"); |
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160 return (oop) result.get_jobject(); |
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161 } |
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162 |
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163 oop VMToCompiler::createUnresolvedJavaMethod(Handle name, Handle signature, Handle holder, TRAPS) { |
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164 assert(!name.is_null(), "just checking"); |
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165 JavaValue result(T_OBJECT); |
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166 JavaCallArguments args; |
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167 args.push_oop(instance()); |
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168 args.push_oop(name); |
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169 args.push_oop(signature); |
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170 args.push_oop(holder); |
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171 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::createUnresolvedJavaMethod_name(), vmSymbols::createUnresolvedJavaMethod_signature(), &args, THREAD); |
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172 check_pending_exception("Error while calling createUnresolvedJavaMethod"); |
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173 return (oop) result.get_jobject(); |
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174 } |
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175 |
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176 oop VMToCompiler::createResolvedJavaMethod(Handle holder, Method* method, TRAPS) { |
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177 assert(!holder.is_null(), "just checking"); |
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178 assert(method != NULL, "just checking"); |
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179 JavaValue result(T_OBJECT); |
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180 JavaCallArguments args; |
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181 args.push_oop(instance()); |
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182 args.push_oop(holder); |
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183 args.push_long((jlong) (address) method); |
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184 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::createResolvedJavaMethod_name(), vmSymbols::createResolvedJavaMethod_signature(), &args, THREAD); |
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185 check_pending_exception("Error while calling createResolvedJavaMethod"); |
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186 assert(result.get_type() == T_OBJECT, "just checking"); |
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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 oop VMToCompiler::createPrimitiveJavaType(int basic_type, TRAPS) { |
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191 JavaValue result(T_OBJECT); |
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192 JavaCallArguments args; |
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193 args.push_oop(instance()); |
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194 args.push_int(basic_type); |
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195 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::createPrimitiveJavaType_name(), vmSymbols::createPrimitiveJavaType_signature(), &args, THREAD); |
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196 check_pending_exception("Error while calling createPrimitiveJavaType"); |
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197 return (oop) result.get_jobject(); |
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198 } |
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199 |
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200 oop VMToCompiler::createUnresolvedJavaType(Handle name, TRAPS) { |
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201 assert(!name.is_null(), "just checking"); |
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202 JavaValue result(T_OBJECT); |
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203 JavaCallArguments args; |
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204 args.push_oop(instance()); |
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205 args.push_oop(name); |
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206 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::createUnresolvedJavaType_name(), vmSymbols::createUnresolvedJavaType_signature(), &args, THREAD); |
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207 check_pending_exception("Error while calling createUnresolvedJavaType"); |
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208 return (oop) result.get_jobject(); |
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209 } |
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210 |
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211 oop VMToCompiler::createResolvedJavaType(Klass* klass, Handle name, Handle simpleName, Handle java_mirror, jint sizeOrSpecies, TRAPS) { |
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212 assert(!name.is_null(), "just checking"); |
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213 assert(!simpleName.is_null(), "just checking"); |
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214 JavaValue result(T_OBJECT); |
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215 JavaCallArguments args; |
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216 args.push_oop(instance()); |
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217 args.push_long((jlong) (address) klass); |
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218 args.push_oop(name); |
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219 args.push_oop(simpleName); |
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220 args.push_oop(java_mirror); |
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221 args.push_int(sizeOrSpecies); |
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222 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::createResolvedJavaType_name(), vmSymbols::createResolvedJavaType_signature(), &args, THREAD); |
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223 check_pending_exception("Error while calling createResolvedJavaType"); |
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224 return (oop) result.get_jobject(); |
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225 } |
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226 |
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227 oop VMToCompiler::createConstant(Handle kind, jlong value, TRAPS) { |
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228 JavaValue result(T_OBJECT); |
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229 JavaCallArguments args; |
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230 args.push_oop(instance()); |
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231 args.push_oop(kind()); |
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232 args.push_long(value); |
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233 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::createConstant_name(), vmSymbols::createConstant_signature(), &args, THREAD); |
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234 check_pending_exception("Error while calling createConstantFloat"); |
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235 return (oop) result.get_jobject(); |
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236 |
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237 } |
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238 |
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239 oop VMToCompiler::createConstantFloat(jfloat value, TRAPS) { |
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240 JavaValue result(T_OBJECT); |
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241 JavaCallArguments args; |
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242 args.push_oop(instance()); |
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243 args.push_float(value); |
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244 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::createConstantFloat_name(), vmSymbols::createConstantFloat_signature(), &args, THREAD); |
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245 check_pending_exception("Error while calling createConstantFloat"); |
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246 return (oop) result.get_jobject(); |
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247 |
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248 } |
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249 |
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250 oop VMToCompiler::createConstantDouble(jdouble value, TRAPS) { |
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251 JavaValue result(T_OBJECT); |
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252 JavaCallArguments args; |
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253 args.push_oop(instance()); |
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254 args.push_double(value); |
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255 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::createConstantDouble_name(), vmSymbols::createConstantDouble_signature(), &args, THREAD); |
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256 check_pending_exception("Error while calling createConstantDouble"); |
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257 return (oop) result.get_jobject(); |
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258 } |
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259 |
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260 oop VMToCompiler::createConstantObject(Handle object, TRAPS) { |
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261 JavaValue result(T_OBJECT); |
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262 JavaCallArguments args; |
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263 KlassHandle klass = loadClass(vmSymbols::com_oracle_graal_api_meta_Constant()); |
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264 JavaCalls::call_static(&result, klass(), vmSymbols::forObject_name(), vmSymbols::createConstantObject_signature(), object, THREAD); |
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265 check_pending_exception("Error while calling Constant.forObject"); |
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266 return (oop) result.get_jobject(); |
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267 } |
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268 |
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269 oop VMToCompiler::createLocal(Handle name, Handle typeInfo, int bci_start, int bci_end, int slot, Handle holder, TRAPS) { |
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270 JavaValue result(T_OBJECT); |
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271 JavaCallArguments args; |
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272 args.push_oop(instance()); |
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273 args.push_oop(name); |
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274 args.push_oop(typeInfo); |
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275 args.push_oop(holder); |
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276 args.push_int(bci_start); |
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277 args.push_int(bci_end); |
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278 args.push_int(slot); |
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279 JavaCalls::call_interface(&result, vmToCompilerKlass(), vmSymbols::createLocalImpl_name(), vmSymbols::createLocalImpl_signature(), &args, THREAD); |
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280 check_pending_exception("Error while calling createConstantFloat"); |
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281 return (oop) result.get_jobject(); |
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282 |
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283 } |
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284 |