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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/bridge/CompilerToVM.java @ 9024:2b840ae76df1

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Move nmethod parameter to the last position to keep passed on arguments in the correct registers.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 11 Apr 2013 17:48:30 +0200
parents f94bb5d20e5d
children ff5a32117e02
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 package com.oracle.graal.hotspot.bridge;
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26 import java.lang.reflect.*;
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27
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28 import com.oracle.graal.api.code.*;
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29 import com.oracle.graal.api.meta.*;
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30 import com.oracle.graal.hotspot.*;
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31 import com.oracle.graal.hotspot.meta.*;
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33 /**
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34 * Calls from Java into HotSpot.
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35 */
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36 public interface CompilerToVM {
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37
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38 /**
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39 * Copies the original bytecode of a given method into a given byte array.
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40 *
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41 * @param metaspaceMethod the metaspace Method object
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42 * @param code the array into which to copy the original bytecode
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43 * @return the value of {@code code}
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44 */
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45 byte[] initializeBytecode(long metaspaceMethod, byte[] code);
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46
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47 String getSignature(long metaspaceMethod);
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48
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49 ExceptionHandler[] initializeExceptionHandlers(long metaspaceMethod, ExceptionHandler[] handlers);
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50
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51 /**
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52 * Determines if a given metaspace Method object has balanced monitors.
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53 *
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54 * @param metaspaceMethod the metaspace Method object to query
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55 * @return true if the method has balanced monitors
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56 */
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57 boolean hasBalancedMonitors(long metaspaceMethod);
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58
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59 /**
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60 * Determines if a given metaspace Method object is compilable. A method may not be compilable
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61 * for a number of reasons such as:
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62 * <ul>
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63 * <li>a CompileOracle directive may prevent compilation of methods</li>
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64 * <li>the method may have a bytecode breakpoint set</li>
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65 * <li>the method may have other bytecode features that require special handling by the VM</li>
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66 * </ul>
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67 *
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68 * A non-compilable method should not be inlined.
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69 *
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70 * @param metaspaceMethod the metaspace Method object to query
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71 * @return true if the method is compilable
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72 */
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73 boolean isMethodCompilable(long metaspaceMethod);
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74
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75 /**
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76 * Used to implement {@link ResolvedJavaType#findUniqueConcreteMethod(ResolvedJavaMethod)}.
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77 *
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78 * @param metaspaceMethod the metaspace Method on which to based the search
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79 * @param resultHolder the holder of the result is put in element 0 of this array
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80 * @return the metaspace Method result or 0 is there is no unique concrete method for
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81 * {@code metaspaceMethod}
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82 */
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83 long getUniqueConcreteMethod(long metaspaceMethod, HotSpotResolvedObjectType[] resultHolder);
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84
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85 /**
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86 * Used to determine if an interface has exactly one implementor.
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87 *
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88 * @param interfaceType interface for which the implementor should be returned
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89 * @return the unique implementor of the interface or null if the interface has 0 or more than 1
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90 * implementor
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91 */
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92 ResolvedJavaType getUniqueImplementor(HotSpotResolvedObjectType interfaceType);
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93
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94 /**
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95 * Gets the invocation count for a method.
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96 *
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97 * @param metaspaceMethod the metaspace Method object to query
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98 * @return the invocation count for the method
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99 */
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100 int getInvocationCount(long metaspaceMethod);
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101
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102 /**
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103 * Initializes a {@link HotSpotResolvedJavaMethod} object from a metaspace Method object.
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104 *
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105 * @param metaspaceMethod the metaspace Method object
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106 * @param method address of a metaspace Method object
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107 */
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108 void initializeMethod(long metaspaceMethod, HotSpotResolvedJavaMethod method);
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109
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110 /**
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111 * Initializes a {@link HotSpotMethodData} object from a metaspace MethodData object.
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112 *
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113 * @param metaspaceMethodData the metaspace MethodData object
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114 * @param methodData the object to initialize from the metaspace object
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115 */
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116 void initializeMethodData(long metaspaceMethodData, HotSpotMethodData methodData);
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117
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118 /**
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119 * Converts a name to a Java type.
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120 *
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121 * @param name a well formed Java type in {@linkplain JavaType#getName() internal} format
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122 * @param accessingClass the context of resolution (may be null)
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123 * @param eagerResolve force resolution to a {@link ResolvedJavaType}. If true, this method will
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124 * either return a {@link ResolvedJavaType} or throw an exception
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125 * @return a Java type for {@code name} which is guaranteed to be of type
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126 * {@link ResolvedJavaType} if {@code eagerResolve == true}
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127 * @throws LinkageError if {@code eagerResolve == true} and the resolution failed
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128 */
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129 JavaType lookupType(String name, HotSpotResolvedObjectType accessingClass, boolean eagerResolve);
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130
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131 Object lookupConstantInPool(HotSpotResolvedObjectType pool, int cpi);
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132
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133 JavaMethod lookupMethodInPool(HotSpotResolvedObjectType pool, int cpi, byte opcode);
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134
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135 JavaType lookupTypeInPool(HotSpotResolvedObjectType pool, int cpi);
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136
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137 JavaField lookupFieldInPool(HotSpotResolvedObjectType pool, int cpi, byte opcode);
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138
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139 void lookupReferencedTypeInPool(HotSpotResolvedObjectType pool, int cpi, byte opcode);
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140
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141 // Must be kept in sync with enum in graalEnv.hpp
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142 public enum CodeInstallResult {
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143 OK, DEPENDENCIES_FAILED, CACHE_FULL
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144 }
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145
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146 /**
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147 * Installs the result of a compilation into the code cache.
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148 *
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149 * @param compResult the result of a compilation
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150 * @param code if not null, then the code is installed as the non-default compiled code for the
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151 * associated method and the details of the installation are written to this object
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152 * @return the outcome of the installation as a {@link CodeInstallResult}.
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153 */
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154 CodeInstallResult installCode(HotSpotCompilationResult compResult, HotSpotInstalledCode code, SpeculationLog cache);
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155
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156 void initializeConfiguration(HotSpotVMConfig config);
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157
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158 JavaMethod resolveMethod(HotSpotResolvedObjectType klass, String name, String signature);
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159
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160 boolean isTypeInitialized(HotSpotResolvedObjectType klass);
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161
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162 void initializeType(HotSpotResolvedObjectType klass);
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163
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164 ResolvedJavaType getResolvedType(Class<?> javaClass);
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165
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166 HotSpotResolvedJavaField[] getInstanceFields(HotSpotResolvedObjectType klass);
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167
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168 /**
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169 * Gets the compiled code size for a method.
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170 *
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171 * @param metaspaceMethod the metaspace Method object to query
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172 * @return the compiled code size the method
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173 */
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174 int getCompiledCodeSize(long metaspaceMethod);
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175
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176 /**
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177 * Gets the metaspace Method object corresponding to a given reflection {@link Method} object.
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178 *
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179 * @param reflectionMethod
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180 * @param resultHolder the holder of the result is put in element 0 of this array
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181 * @return the metaspace Method result for {@code reflectionMethod}
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182 */
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183 long getMetaspaceMethod(Method reflectionMethod, HotSpotResolvedObjectType[] resultHolder);
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184
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185 long getMetaspaceConstructor(Constructor reflectionConstructor, HotSpotResolvedObjectType[] resultHolder);
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186
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187 HotSpotResolvedJavaField getJavaField(Field reflectionField);
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188
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189 long getMaxCallTargetOffset(long stub);
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190
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191 String disassembleNMethod(long nmethod);
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192
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193 /**
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194 * Gets a copy of the machine code for an nmethod.
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195 *
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196 * @return the machine code for {@code nmethod} if it is valid, null otherwise
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197 */
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198 byte[] getCode(long nmethod);
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199
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200 StackTraceElement getStackTraceElement(long metaspaceMethod, int bci);
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201
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202 Object executeCompiledMethod(Object arg1, Object arg2, Object arg3, long nativeMethod);
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203
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204 Object executeCompiledMethodVarargs(Object[] args, long nativeMethod);
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205
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206 int getVtableEntryOffset(long metaspaceMethod);
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207
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51111665eda6 Support for recording a leaf graph id for each deoptimization point in the debug info.
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208 long[] getDeoptedLeafGraphIds();
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209
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210 long[] getLineNumberTable(HotSpotResolvedJavaMethod method);
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211
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212 Local[] getLocalVariableTable(HotSpotResolvedJavaMethod method);
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213
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214 String getFileName(HotSpotResolvedJavaType method);
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215
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216 void clearQueuedForCompilation(HotSpotResolvedJavaMethod method);
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217
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218 /**
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219 * Invalidates the profiling information and restarts profiling upon the next invocation.
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220 *
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221 * @param metaspaceMethod the metaspace Method object
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222 */
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223 void reprofile(long metaspaceMethod);
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224
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225 Object lookupAppendixInPool(HotSpotResolvedObjectType pool, int cpi);
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226
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227 void invalidateInstalledCode(long nativeMethod);
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228
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229 boolean isInstalledCodeValid(long nativeMethod);
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230 }