Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/bridge/CompilerToVM.java @ 15059:4df6d7c966a2
fixed performance regression in hosted mode execution caused by 5e6f29f287d6
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 10 Apr 2014 17:48:23 +0200 |
parents | d4a9d6f6e57d |
children | 36e1a11a72b3 |
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 package com.oracle.graal.hotspot.bridge; |
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25 |
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26 import com.oracle.graal.api.code.*; |
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27 import com.oracle.graal.api.meta.*; |
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28 import com.oracle.graal.graph.*; |
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29 import com.oracle.graal.hotspot.*; |
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30 import com.oracle.graal.hotspot.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 given byte array. |
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39 * |
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40 * @param metaspaceMethod the metaspace Method object |
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41 * @param code the array into which to copy the original bytecode |
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42 * @return the value of {@code code} |
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43 */ |
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44 byte[] initializeBytecode(long metaspaceMethod, byte[] code); |
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45 |
14105 | 46 int exceptionTableLength(long metaspaceMethod); |
47 | |
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48 long exceptionTableStart(long metaspaceMethod); |
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49 |
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50 /** |
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51 * Determines if a given metaspace Method object has balanced monitors. |
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52 * |
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53 * @param metaspaceMethod the metaspace Method object to query |
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54 * @return true if the method has balanced monitors |
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55 */ |
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56 boolean hasBalancedMonitors(long metaspaceMethod); |
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57 |
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58 /** |
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59 * Determines if a given metaspace Method can be inlined. A method may not be inlinable for a |
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60 * number of reasons such as: |
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61 * <ul> |
14520 | 62 * <li>a CompileOracle directive may prevent inlining or compilation of methods</li> |
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63 * <li>the method may have a bytecode breakpoint set</li> |
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64 * <li>the method may have other bytecode features that require special handling by the VM</li> |
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65 * </ul> |
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66 * |
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67 * @param metaspaceMethod the metaspace Method object to query |
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68 * @return true if the method can be inlined |
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69 */ |
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70 boolean canInlineMethod(long metaspaceMethod); |
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71 |
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72 /** |
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73 * Determines if a given metaspace Method should be inlined at any cost. This could be because: |
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74 * <ul> |
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75 * <li>a CompileOracle directive may forces inlining of this methods</li> |
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76 * <li>an annotation forces inlining of this method</li> |
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77 * </ul> |
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78 * |
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79 * @param metaspaceMethod the metaspace Method object to query |
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80 * @return true if the method should be inlined |
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81 */ |
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82 boolean shouldInlineMethod(long metaspaceMethod); |
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83 |
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84 /** |
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85 * Used to implement {@link ResolvedJavaType#findUniqueConcreteMethod(ResolvedJavaMethod)}. |
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86 * |
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87 * @param metaspaceMethod the metaspace Method on which to based the search |
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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 metaspaceMethod); |
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92 |
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93 /** |
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94 * Returns the implementor for the given interface class. |
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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 or null if there is no implementor |
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98 */ |
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99 long getKlassImplementor(long metaspaceKlass); |
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100 |
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101 /** |
14717 | 102 * Determines if a given metaspace method is ignored by security stack walks. |
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103 * |
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104 * @param metaspaceMethod the metaspace Method object |
14717 | 105 * @return true if the method is ignored |
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106 */ |
14717 | 107 boolean methodIsIgnoredBySecurityStackWalk(long metaspaceMethod); |
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108 |
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109 /** |
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110 * Converts a name to a metaspace klass. |
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111 * |
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112 * @param name a well formed Java type in {@linkplain JavaType#getName() internal} format |
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113 * @param accessingClass the context of resolution (may be null) |
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114 * @param resolve force resolution to a {@link ResolvedJavaType}. If true, this method will |
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115 * either return a {@link ResolvedJavaType} or throw an exception |
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116 * @return a metaspace klass for {@code name} |
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117 * @throws LinkageError if {@code resolve == true} and the resolution failed |
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118 */ |
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119 long lookupType(String name, Class<?> accessingClass, boolean resolve); |
14093 | 120 |
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122 | |
123 Object resolvePossiblyCachedConstantInPool(long metaspaceConstantPool, int cpi); | |
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124 |
14093 | 125 int lookupNameAndTypeRefIndexInPool(long metaspaceConstantPool, int cpi); |
126 | |
127 long lookupNameRefInPool(long metaspaceConstantPool, int cpi); | |
128 | |
129 long lookupSignatureRefInPool(long metaspaceConstantPool, int cpi); | |
130 | |
131 int lookupKlassRefIndexInPool(long metaspaceConstantPool, int cpi); | |
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132 |
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133 long constantPoolKlassAt(long metaspaceConstantPool, int cpi); |
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134 |
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135 /** |
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136 * Looks up a class entry in a constant pool. |
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137 * |
14093 | 138 * @param metaspaceConstantPool metaspace constant pool pointer |
139 * @param cpi constant pool index | |
140 * @return a metaspace Klass for a resolved method entry, a metaspace Symbol otherwise (with | |
141 * tagging) | |
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142 */ |
14093 | 143 long lookupKlassInPool(long metaspaceConstantPool, int cpi); |
144 | |
145 /** | |
146 * Looks up a method entry in a constant pool. | |
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147 * |
14093 | 148 * @param metaspaceConstantPool metaspace constant pool pointer |
149 * @param cpi constant pool index | |
150 * @return a metaspace Method for a resolved method entry, 0 otherwise | |
151 */ | |
152 long lookupMethodInPool(long metaspaceConstantPool, int cpi, byte opcode); | |
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153 |
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154 /** |
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155 * Looks up a field entry in a constant pool and attempts to resolve it. The values returned in |
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156 * {@code info} are: |
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157 * |
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158 * <pre> |
14093 | 159 * [(int) flags, // only valid if field is resolved |
160 * (int) offset] // only valid if field is resolved | |
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161 * </pre> |
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162 * |
14093 | 163 * @param metaspaceConstantPool metaspace constant pool pointer |
164 * @param cpi constant pool index | |
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165 * @param info an array in which the details of the field are returned |
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166 * @return true if the field is resolved |
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167 */ |
14093 | 168 long resolveField(long metaspaceConstantPool, int cpi, byte opcode, long[] info); |
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169 |
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170 int constantPoolRemapInstructionOperandFromCache(long metaspaceConstantPool, int cpi); |
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171 |
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172 Object lookupAppendixInPool(long metaspaceConstantPool, int cpi); |
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173 |
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174 public enum CodeInstallResult { |
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175 OK("ok"), |
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176 DEPENDENCIES_FAILED("dependencies failed"), |
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177 CACHE_FULL("code cache is full"), |
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178 CODE_TOO_LARGE("code is too large"); |
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179 |
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180 private int value; |
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181 private String message; |
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182 |
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183 private CodeInstallResult(String name) { |
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184 HotSpotVMConfig config = HotSpotGraalRuntime.runtime().getConfig(); |
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185 switch (name) { |
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186 case "ok": |
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187 this.value = config.codeInstallResultOk; |
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188 break; |
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189 case "dependencies failed": |
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190 this.value = config.codeInstallResultDependenciesFailed; |
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191 break; |
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192 case "code cache is full": |
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193 this.value = config.codeInstallResultCacheFull; |
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194 break; |
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195 case "code is too large": |
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196 this.value = config.codeInstallResultCodeTooLarge; |
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197 break; |
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198 default: |
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199 throw GraalInternalError.shouldNotReachHere("unknown enum name " + name); |
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200 } |
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201 this.message = name; |
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202 } |
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203 |
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204 /** |
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205 * Returns the enum object for the given value. |
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206 */ |
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207 public static CodeInstallResult getEnum(int value) { |
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208 for (CodeInstallResult e : values()) { |
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209 if (e.value == value) { |
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210 return e; |
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211 } |
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212 } |
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213 throw GraalInternalError.shouldNotReachHere("unknown enum value " + value); |
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214 } |
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215 |
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216 @Override |
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217 public String toString() { |
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218 return message; |
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219 } |
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220 } |
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221 |
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222 /** |
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223 * Installs the result of a compilation into the code cache. |
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224 * |
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225 * @param compiledCode the result of a compilation |
9604 | 226 * @param code the details of the installed CodeBlob are written to this object |
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227 * @return the outcome of the installation as a {@link CodeInstallResult}. |
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228 */ |
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229 CodeInstallResult installCode(HotSpotCompiledCode compiledCode, HotSpotInstalledCode code, SpeculationLog speculationLog); |
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230 |
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231 /** |
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232 * Notifies the VM of statistics for a completed compilation. |
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233 * |
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234 * @param id the identifier of the compilation |
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235 * @param method the method compiled |
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236 * @param osr specifies if the compilation was for on-stack-replacement |
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237 * @param processedBytecodes the number of bytecodes processed during the compilation, including |
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238 * the bytecodes of all inlined methods |
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239 * @param time the amount time spent compiling {@code method} |
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240 * @param timeUnitsPerSecond the granularity of the units for the {@code time} value |
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241 * @param installedCode the nmethod installed as a result of the compilation |
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242 */ |
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243 void notifyCompilationStatistics(int id, HotSpotResolvedJavaMethod method, boolean osr, int processedBytecodes, long time, long timeUnitsPerSecond, HotSpotInstalledCode installedCode); |
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244 |
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245 void printCompilationStatistics(boolean perCompiler, boolean aggregate); |
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246 |
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247 void resetCompilationStatistics(); |
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248 |
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249 void initializeConfiguration(HotSpotVMConfig config); |
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250 |
14104 | 251 long resolveMethod(long metaspaceKlass, String name, String signature); |
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252 |
14104 | 253 long getClassInitializer(long metaspaceKlass); |
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254 |
14104 | 255 boolean hasFinalizableSubclass(long metaspaceKlass); |
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256 |
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257 /** |
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258 * Gets the metaspace Method object corresponding to a given {@link Class} object and slot |
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259 * number. |
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260 * |
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261 * @param holder method holder |
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262 * @param slot slot number of the method |
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263 * @return the metaspace Method |
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264 */ |
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265 long getMetaspaceMethod(Class<?> holder, int slot); |
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266 |
9649 | 267 long getMaxCallTargetOffset(long address); |
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268 |
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269 String disassembleCodeBlob(long codeBlob); |
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270 |
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271 StackTraceElement getStackTraceElement(long metaspaceMethod, int bci); |
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272 |
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273 Object executeCompiledMethod(Object arg1, Object arg2, Object arg3, HotSpotInstalledCode hotspotInstalledCode) throws InvalidInstalledCodeException; |
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274 |
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275 Object executeCompiledMethodVarargs(Object[] args, HotSpotInstalledCode hotspotInstalledCode) throws InvalidInstalledCodeException; |
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276 |
14104 | 277 long[] getLineNumberTable(long metaspaceMethod); |
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278 |
14104 | 279 long getLocalVariableTableStart(long metaspaceMethod); |
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280 |
14104 | 281 int getLocalVariableTableLength(long metaspaceMethod); |
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282 |
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283 String getFileName(HotSpotResolvedJavaType method); |
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284 |
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285 Class<?> getJavaMirror(long metaspaceKlass); |
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286 |
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287 void setNodeClass(Class<?> c, NodeClass nodeClass); |
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288 |
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289 long readUnsafeKlassPointer(Object o); |
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290 |
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291 void doNotInlineOrCompile(long metaspaceMethod); |
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292 |
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293 /** |
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294 * Invalidates the profiling information and restarts profiling upon the next invocation. |
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295 * |
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296 * @param metaspaceMethod the metaspace Method object |
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297 */ |
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298 void reprofile(long metaspaceMethod); |
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299 |
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300 void invalidateInstalledCode(HotSpotInstalledCode hotspotInstalledCode); |
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301 |
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302 /** |
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303 * Collects the current values of all Graal benchmark counters, summed up over all threads. |
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304 */ |
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305 long[] collectCounters(); |
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306 |
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307 boolean isMature(long metaspaceMethodData); |
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308 |
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309 /** |
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310 * Generate a unique id to identify the result of the compile. |
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311 */ |
14104 | 312 int allocateCompileId(long metaspaceMethod, int entryBCI); |
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313 |
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314 /** |
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315 * Gets the names of the supported GPU architectures. |
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316 * |
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317 * @return a comma separated list of names |
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318 */ |
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319 String getGPUs(); |
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320 |
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321 /** |
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322 * |
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323 * @param metaspaceMethod the method to check |
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324 * @param entryBCI |
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325 * @param level the compilation level |
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326 * @return true if the {@code metaspaceMethod} has code for {@code level} |
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327 */ |
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328 boolean hasCompiledCodeForOSR(long metaspaceMethod, int entryBCI, int level); |
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329 |
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330 /** |
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331 * Fetch the time stamp used for printing inside hotspot. It's relative to VM start to that all |
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332 * events can be ordered. |
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333 * |
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334 * @return milliseconds since VM start |
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335 */ |
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336 long getTimeStamp(); |
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337 } |