Mercurial > hg > truffle
annotate graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/CompilerToVM.java @ 21687:afea1d08c393
Merge with df4579cb9503128c646bd04e66646ccfa7faf25f
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Tue, 02 Jun 2015 18:32:11 -0700 |
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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.jvmci.hotspot; |
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25 |
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26 import sun.misc.*; |
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27 |
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28 import com.oracle.jvmci.code.*; |
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29 import com.oracle.jvmci.hotspotvmconfig.*; |
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30 import com.oracle.jvmci.meta.*; |
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31 |
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32 /** |
4410 | 33 * Calls from Java into HotSpot. |
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34 */ |
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35 public interface CompilerToVM { |
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36 |
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37 /** |
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38 * Copies the original bytecode of a given method into a new byte array and returns it. |
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39 * |
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40 * @param metaspaceMethod the metaspace Method object |
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41 * @return a new byte array containing the original bytecode |
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42 */ |
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43 byte[] getBytecode(long metaspaceMethod); |
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44 |
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46 | |
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47 long exceptionTableStart(long metaspaceMethod); |
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48 |
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49 /** |
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50 * Determines if a given metaspace Method object has balanced monitors. |
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51 * |
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52 * @param metaspaceMethod the metaspace Method object to query |
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53 * @return true if the method has balanced monitors |
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54 */ |
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55 boolean hasBalancedMonitors(long metaspaceMethod); |
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56 |
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57 /** |
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58 * Determines if a given metaspace Method can be inlined. A method may not be inlinable for a |
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59 * number of reasons such as: |
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60 * <ul> |
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62 * <li>the method may have a bytecode breakpoint set</li> |
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63 * <li>the method may have other bytecode features that require special handling by the VM</li> |
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64 * </ul> |
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65 * |
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66 * @param metaspaceMethod the metaspace Method object to query |
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67 * @return true if the method can be inlined |
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68 */ |
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69 boolean canInlineMethod(long metaspaceMethod); |
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70 |
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71 /** |
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72 * Determines if a given metaspace Method should be inlined at any cost. This could be because: |
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73 * <ul> |
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74 * <li>a CompileOracle directive may forces inlining of this methods</li> |
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75 * <li>an annotation forces inlining of this method</li> |
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76 * </ul> |
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77 * |
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78 * @param metaspaceMethod the metaspace Method object to query |
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79 * @return true if the method should be inlined |
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80 */ |
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81 boolean shouldInlineMethod(long metaspaceMethod); |
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82 |
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83 /** |
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84 * Used to implement {@link ResolvedJavaType#findUniqueConcreteMethod(ResolvedJavaMethod)}. |
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85 * |
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86 * @param metaspaceMethod the metaspace Method on which to based the search |
18789 | 87 * @param actualHolderMetaspaceKlass the best known type of receiver |
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88 * @return the metaspace Method result or 0 is there is no unique concrete method for |
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89 * {@code metaspaceMethod} |
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90 */ |
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91 long findUniqueConcreteMethod(long actualHolderMetaspaceKlass, long metaspaceMethod); |
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92 |
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93 /** |
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94 * Returns the implementor for the given interface class, if there is a single implementor. |
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95 * |
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96 * @param metaspaceKlass the metaspace klass to get the implementor for |
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97 * @return the implementor as metaspace klass pointer if there is a single implementor, null if |
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98 * there is no implementor, or the input metaspace klass pointer ({@code metaspaceKlass} |
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99 * ) itself if there is more than one implementor. |
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100 */ |
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101 long getKlassImplementor(long metaspaceKlass); |
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102 |
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103 /** |
14717 | 104 * Determines if a given metaspace method is ignored by security stack walks. |
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105 * |
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106 * @param metaspaceMethod the metaspace Method object |
14717 | 107 * @return true if the method is ignored |
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108 */ |
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110 |
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111 /** |
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112 * Converts a name to a metaspace klass. |
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113 * |
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114 * @param name a well formed Java type in {@linkplain JavaType#getName() internal} format |
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115 * @param accessingClass the context of resolution (must not be null) |
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116 * @param resolve force resolution to a {@link ResolvedJavaType}. If true, this method will |
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117 * either return a {@link ResolvedJavaType} or throw an exception |
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118 * @return a metaspace klass for {@code name} |
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119 * @throws LinkageError if {@code resolve == true} and the resolution failed |
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120 */ |
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121 long lookupType(String name, Class<?> accessingClass, boolean resolve); |
14093 | 122 |
14529 | 123 Object resolveConstantInPool(long metaspaceConstantPool, int cpi); |
124 | |
125 Object resolvePossiblyCachedConstantInPool(long metaspaceConstantPool, int cpi); | |
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126 |
14093 | 127 int lookupNameAndTypeRefIndexInPool(long metaspaceConstantPool, int cpi); |
128 | |
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129 String lookupNameRefInPool(long metaspaceConstantPool, int cpi); |
14093 | 130 |
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131 String lookupSignatureRefInPool(long metaspaceConstantPool, int cpi); |
14093 | 132 |
133 int lookupKlassRefIndexInPool(long metaspaceConstantPool, int cpi); | |
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134 |
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135 long constantPoolKlassAt(long metaspaceConstantPool, int cpi); |
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136 |
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137 /** |
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138 * Looks up a class entry in a constant pool. |
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139 * |
14093 | 140 * @param metaspaceConstantPool metaspace constant pool pointer |
141 * @param cpi constant pool index | |
142 * @return a metaspace Klass for a resolved method entry, a metaspace Symbol otherwise (with | |
143 * tagging) | |
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144 */ |
14093 | 145 long lookupKlassInPool(long metaspaceConstantPool, int cpi); |
146 | |
147 /** | |
148 * Looks up a method entry in a constant pool. | |
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149 * |
14093 | 150 * @param metaspaceConstantPool metaspace constant pool pointer |
151 * @param cpi constant pool index | |
152 * @return a metaspace Method for a resolved method entry, 0 otherwise | |
153 */ | |
154 long lookupMethodInPool(long metaspaceConstantPool, int cpi, byte opcode); | |
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155 |
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156 /** |
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157 * Looks up a field entry in a constant pool and attempts to resolve it. The values returned in |
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158 * {@code info} are: |
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159 * |
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160 * <pre> |
14093 | 161 * [(int) flags, // only valid if field is resolved |
162 * (int) offset] // only valid if field is resolved | |
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163 * </pre> |
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164 * |
14093 | 165 * @param metaspaceConstantPool metaspace constant pool pointer |
166 * @param cpi constant pool index | |
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167 * @param info an array in which the details of the field are returned |
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168 * @return true if the field is resolved |
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169 */ |
14093 | 170 long resolveField(long metaspaceConstantPool, int cpi, byte opcode, long[] info); |
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171 |
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172 int constantPoolRemapInstructionOperandFromCache(long metaspaceConstantPool, int cpi); |
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173 |
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174 Object lookupAppendixInPool(long metaspaceConstantPool, int cpi); |
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175 |
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176 /** |
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177 * Installs the result of a compilation into the code cache. |
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178 * |
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179 * @param compiledCode the result of a compilation |
9604 | 180 * @param code the details of the installed CodeBlob are written to this object |
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181 * @return the outcome of the installation which will be one of |
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182 * {@link HotSpotVMConfig#codeInstallResultOk}, |
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183 * {@link HotSpotVMConfig#codeInstallResultCacheFull}, |
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184 * {@link HotSpotVMConfig#codeInstallResultCodeTooLarge}, |
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185 * {@link HotSpotVMConfig#codeInstallResultDependenciesFailed} or |
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186 * {@link HotSpotVMConfig#codeInstallResultDependenciesInvalid}. |
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187 */ |
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188 int installCode(HotSpotCompiledCode compiledCode, InstalledCode code, SpeculationLog speculationLog); |
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189 |
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190 /** |
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191 * Notifies the VM of statistics for a completed compilation. |
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192 * |
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193 * @param id the identifier of the compilation |
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194 * @param method the method compiled |
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195 * @param osr specifies if the compilation was for on-stack-replacement |
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196 * @param processedBytecodes the number of bytecodes processed during the compilation, including |
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197 * the bytecodes of all inlined methods |
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198 * @param time the amount time spent compiling {@code method} |
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199 * @param timeUnitsPerSecond the granularity of the units for the {@code time} value |
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200 * @param installedCode the nmethod installed as a result of the compilation |
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201 */ |
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202 void notifyCompilationStatistics(int id, HotSpotResolvedJavaMethod method, boolean osr, int processedBytecodes, long time, long timeUnitsPerSecond, InstalledCode installedCode); |
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203 |
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204 void resetCompilationStatistics(); |
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205 |
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206 void initializeConfiguration(HotSpotVMConfig config); |
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207 |
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208 long resolveMethod(long metaspaceKlassExactReceiver, long metaspaceMethod, long metaspaceKlassCaller); |
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209 |
14104 | 210 long getClassInitializer(long metaspaceKlass); |
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211 |
14104 | 212 boolean hasFinalizableSubclass(long metaspaceKlass); |
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213 |
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214 /** |
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215 * Gets the metaspace Method object corresponding to a given {@link Class} object and slot |
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216 * number. |
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217 * |
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218 * @param holder method holder |
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219 * @param slot slot number of the method |
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220 * @return the metaspace Method |
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221 */ |
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222 long getMetaspaceMethod(Class<?> holder, int slot); |
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223 |
9649 | 224 long getMaxCallTargetOffset(long address); |
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225 |
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226 String disassembleCodeBlob(long codeBlob); |
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227 |
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228 StackTraceElement getStackTraceElement(long metaspaceMethod, int bci); |
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229 |
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230 Object executeCompiledMethod(Object arg1, Object arg2, Object arg3, InstalledCode hotspotInstalledCode) throws InvalidInstalledCodeException; |
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231 |
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232 Object executeCompiledMethodVarargs(Object[] args, InstalledCode hotspotInstalledCode) throws InvalidInstalledCodeException; |
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233 |
14104 | 234 long[] getLineNumberTable(long metaspaceMethod); |
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235 |
14104 | 236 long getLocalVariableTableStart(long metaspaceMethod); |
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237 |
14104 | 238 int getLocalVariableTableLength(long metaspaceMethod); |
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239 |
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240 String getFileName(HotSpotResolvedJavaType method); |
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Always clear 'queued for compilation' flag at the end of a compilation task
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241 |
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242 Class<?> getJavaMirror(long metaspaceKlass); |
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243 |
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244 long readUnsafeKlassPointer(Object o); |
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245 |
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246 /** |
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247 * Reads an object pointer within a VM data structure. That is, any {@link HotSpotVMField} whose |
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248 * {@link HotSpotVMField#type() type} is {@code "oop"} (e.g., |
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249 * {@code ArrayKlass::_component_mirror}, {@code Klass::_java_mirror}, |
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250 * {@code JavaThread::_threadObj}). |
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251 * |
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252 * Note that {@link Unsafe#getObject(Object, long)} cannot be used for this since it does a |
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253 * {@code narrowOop} read if the VM is using compressed oops whereas oops within VM data |
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254 * structures are (currently) always uncompressed. |
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255 * |
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256 * @param address address of an oop field within a VM data structure |
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257 */ |
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258 Object readUncompressedOop(long address); |
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259 |
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260 void doNotInlineOrCompile(long metaspaceMethod); |
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261 |
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262 /** |
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263 * Invalidates the profiling information and restarts profiling upon the next invocation. |
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264 * |
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265 * @param metaspaceMethod the metaspace Method object |
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266 */ |
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267 void reprofile(long metaspaceMethod); |
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268 |
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269 void invalidateInstalledCode(InstalledCode hotspotInstalledCode); |
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270 |
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271 /** |
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272 * Collects the current values of all JVMCI benchmark counters, summed up over all threads. |
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273 */ |
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274 long[] collectCounters(); |
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275 |
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276 boolean isMature(long metaspaceMethodData); |
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277 |
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278 /** |
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279 * Generate a unique id to identify the result of the compile. |
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280 */ |
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282 |
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283 /** |
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284 * Gets the names of the supported GPU architectures. |
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285 * |
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286 * @return a comma separated list of names |
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287 */ |
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288 String getGPUs(); |
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289 |
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290 /** |
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291 * |
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292 * @param metaspaceMethod the method to check |
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293 * @param entryBCI |
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294 * @param level the compilation level |
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295 * @return true if the {@code metaspaceMethod} has code for {@code level} |
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296 */ |
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297 boolean hasCompiledCodeForOSR(long metaspaceMethod, int entryBCI, int level); |
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298 |
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299 /** |
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300 * Fetch the time stamp used for printing inside hotspot. It's relative to VM start to that all |
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301 * events can be ordered. |
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302 * |
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303 * @return milliseconds since VM start |
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304 */ |
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305 long getTimeStamp(); |
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306 |
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307 /** |
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308 * Gets the value of a metaspace {@code Symbol} as a String. |
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309 * |
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310 * @param metaspaceSymbol |
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311 */ |
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312 String getSymbol(long metaspaceSymbol); |
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313 |
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314 /** |
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315 * Looks for the next Java stack frame with the given method. |
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316 * |
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317 * @param frame the starting point of the search, where {@code null} refers to the topmost frame |
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318 * @param methods the metaspace methods to look for, where {@code null} means that any frame is |
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319 * returned |
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320 * @return the frame, or {@code null} if the end of the stack was reached during the search |
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321 */ |
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322 HotSpotStackFrameReference getNextStackFrame(HotSpotStackFrameReference frame, long[] methods, int initialSkip); |
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323 |
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324 /** |
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325 * Materialized all virtual objects within the given stack frame and update the locals within |
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326 * the given stackFrame object. |
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327 * |
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328 * @param invalidate if {@code true}, the compiled method for the stack frame will be |
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329 * invalidated. |
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330 */ |
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331 void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); |
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332 |
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333 void resolveInvokeDynamic(long metaspaceConstantPool, int index); |
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334 |
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335 int getVtableIndexForInterface(long metaspaceKlass, long metaspaceMethod); |
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336 |
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337 boolean shouldDebugNonSafepoints(); |
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338 |
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339 void writeDebugOutput(byte[] bytes, int offset, int length); |
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340 |
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341 void flushDebugOutput(); |
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342 } |