Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/CompilerToVM.java @ 23785:5cf445d2acf6 jvmci-0.22
Exported elements referring to inaccessible types in jdk.vm.ci (JDK-8167180)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 11 Oct 2016 22:13:23 +0200 |
parents | d6bd0b9cd0b6 |
children | 6d2c72b822b0 |
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1 /* |
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2 * Copyright (c) 2011, 2016, 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 jdk.vm.ci.hotspot; |
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25 |
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26 import static jdk.vm.ci.common.InitTimer.timer; |
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27 import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime; |
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28 |
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29 import java.lang.reflect.Executable; |
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30 |
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31 import jdk.vm.ci.code.BytecodeFrame; |
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32 import jdk.vm.ci.code.InstalledCode; |
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33 import jdk.vm.ci.code.InvalidInstalledCodeException; |
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34 import jdk.vm.ci.code.TargetDescription; |
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35 import jdk.vm.ci.common.InitTimer; |
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36 import jdk.vm.ci.common.JVMCIError; |
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37 import jdk.vm.ci.meta.JavaType; |
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38 import jdk.vm.ci.meta.ResolvedJavaMethod; |
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39 import jdk.vm.ci.meta.ResolvedJavaType; |
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40 import sun.misc.Unsafe; |
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41 |
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42 /** |
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43 * Calls from Java into HotSpot. The behavior of all the methods in this class that take a native |
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44 * pointer as an argument (e.g., {@link #getSymbol(long)}) is undefined if the argument does not |
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45 * denote a valid native object. |
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46 */ |
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47 final class CompilerToVM { |
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48 /** |
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49 * Initializes the native part of the JVMCI runtime. |
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50 */ |
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51 private static native void registerNatives(); |
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52 |
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53 static { |
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54 initialize(); |
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55 } |
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56 |
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57 @SuppressWarnings("try") |
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58 private static void initialize() { |
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59 try (InitTimer t = timer("CompilerToVM.registerNatives")) { |
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60 registerNatives(); |
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61 } |
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62 } |
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63 |
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64 /** |
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65 * Gets the {@link CompilerToVM} instance associated with the singleton |
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66 * {@link HotSpotJVMCIRuntime} instance. |
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67 */ |
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68 public static CompilerToVM compilerToVM() { |
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69 return runtime().getCompilerToVM(); |
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70 } |
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71 |
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72 /** |
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73 * Copies the original bytecode of {@code method} into a new byte array and returns it. |
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74 * |
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75 * @return a new byte array containing the original bytecode of {@code method} |
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76 */ |
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77 native byte[] getBytecode(HotSpotResolvedJavaMethodImpl method); |
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78 |
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79 /** |
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80 * Gets the number of entries in {@code method}'s exception handler table or 0 if it has no |
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81 * exception handler table. |
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82 */ |
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83 native int getExceptionTableLength(HotSpotResolvedJavaMethodImpl method); |
14105 | 84 |
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85 /** |
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86 * Gets the address of the first entry in {@code method}'s exception handler table. |
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87 * |
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88 * Each entry is a native object described by these fields: |
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89 * |
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90 * <ul> |
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91 * <li>{@link HotSpotVMConfig#exceptionTableElementSize}</li> |
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92 * <li>{@link HotSpotVMConfig#exceptionTableElementStartPcOffset}</li> |
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93 * <li>{@link HotSpotVMConfig#exceptionTableElementEndPcOffset}</li> |
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94 * <li>{@link HotSpotVMConfig#exceptionTableElementHandlerPcOffset}</li> |
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95 * <li>{@link HotSpotVMConfig#exceptionTableElementCatchTypeIndexOffset} |
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96 * </ul> |
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97 * |
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98 * @return 0 if {@code method} has no exception handlers (i.e. |
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99 * {@code getExceptionTableLength(method) == 0}) |
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100 */ |
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101 native long getExceptionTableStart(HotSpotResolvedJavaMethodImpl method); |
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102 |
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103 /** |
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104 * Determines if {@code method} can be inlined. A method may not be inlinable for a number of |
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105 * reasons such as: |
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106 * <ul> |
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108 * <li>the method may have a bytecode breakpoint set</li> |
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109 * <li>the method may have other bytecode features that require special handling by the VM</li> |
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110 * </ul> |
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111 */ |
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112 native boolean canInlineMethod(HotSpotResolvedJavaMethodImpl method); |
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113 |
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114 /** |
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115 * Determines if {@code method} should be inlined at any cost. This could be because: |
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116 * <ul> |
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117 * <li>a CompileOracle directive may forces inlining of this methods</li> |
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118 * <li>an annotation forces inlining of this method</li> |
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119 * </ul> |
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120 */ |
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121 native boolean shouldInlineMethod(HotSpotResolvedJavaMethodImpl method); |
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122 |
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123 /** |
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124 * Used to implement {@link ResolvedJavaType#findUniqueConcreteMethod(ResolvedJavaMethod)}. |
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125 * |
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126 * @param method the method on which to base the search |
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127 * @param actualHolderType the best known type of receiver |
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128 * @return the method result or 0 is there is no unique concrete method for {@code method} |
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129 */ |
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130 native HotSpotResolvedJavaMethodImpl findUniqueConcreteMethod(HotSpotResolvedObjectTypeImpl actualHolderType, HotSpotResolvedJavaMethodImpl method); |
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131 |
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132 /** |
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133 * Gets the implementor for the interface class {@code type}. |
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134 * |
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135 * @return the implementor if there is a single implementor, 0 if there is no implementor, or |
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136 * {@code type} itself if there is more than one implementor |
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137 */ |
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138 native HotSpotResolvedObjectTypeImpl getImplementor(HotSpotResolvedObjectTypeImpl type); |
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139 |
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140 /** |
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141 * Determines if {@code method} is ignored by security stack walks. |
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142 */ |
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143 native boolean methodIsIgnoredBySecurityStackWalk(HotSpotResolvedJavaMethodImpl method); |
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144 |
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145 /** |
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146 * Converts a name to a type. |
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147 * |
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148 * @param name a well formed Java type in {@linkplain JavaType#getName() internal} format |
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149 * @param accessingClass the context of resolution (must not be null) |
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150 * @param resolve force resolution to a {@link ResolvedJavaType}. If true, this method will |
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151 * either return a {@link ResolvedJavaType} or throw an exception |
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152 * @return the type for {@code name} or 0 if resolution failed and {@code resolve == false} |
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153 * @throws LinkageError if {@code resolve == true} and the resolution failed |
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154 */ |
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155 native HotSpotResolvedObjectTypeImpl lookupType(String name, Class<?> accessingClass, boolean resolve); |
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157 /** |
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158 * Resolves the entry at index {@code cpi} in {@code constantPool} to an object. |
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159 * |
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160 * The behavior of this method is undefined if {@code cpi} does not denote one of the following |
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161 * entry types: {@code JVM_CONSTANT_MethodHandle}, {@code JVM_CONSTANT_MethodHandleInError}, |
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162 * {@code JVM_CONSTANT_MethodType} and {@code JVM_CONSTANT_MethodTypeInError}. |
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163 */ |
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164 native Object resolveConstantInPool(HotSpotConstantPool constantPool, int cpi); |
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166 /** |
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167 * Resolves the entry at index {@code cpi} in {@code constantPool} to an object, looking in the |
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168 * constant pool cache first. |
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169 * |
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170 * The behavior of this method is undefined if {@code cpi} does not denote a |
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171 * {@code JVM_CONSTANT_String} entry. |
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172 */ |
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173 native Object resolvePossiblyCachedConstantInPool(HotSpotConstantPool constantPool, int cpi); |
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174 |
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175 /** |
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176 * Gets the {@code JVM_CONSTANT_NameAndType} index from the entry at index {@code cpi} in |
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177 * {@code constantPool}. |
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178 * |
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179 * The behavior of this method is undefined if {@code cpi} does not denote an entry containing a |
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180 * {@code JVM_CONSTANT_NameAndType} index. |
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181 */ |
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182 native int lookupNameAndTypeRefIndexInPool(HotSpotConstantPool constantPool, int cpi); |
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184 /** |
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185 * Gets the name of the {@code JVM_CONSTANT_NameAndType} entry referenced by another entry |
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186 * denoted by {@code which} in {@code constantPool}. |
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187 * |
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188 * The behavior of this method is undefined if {@code which} does not denote a entry that |
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189 * references a {@code JVM_CONSTANT_NameAndType} entry. |
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190 */ |
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191 native String lookupNameInPool(HotSpotConstantPool constantPool, int which); |
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193 /** |
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194 * Gets the signature of the {@code JVM_CONSTANT_NameAndType} entry referenced by another entry |
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195 * denoted by {@code which} in {@code constantPool}. |
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196 * |
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197 * The behavior of this method is undefined if {@code which} does not denote a entry that |
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198 * references a {@code JVM_CONSTANT_NameAndType} entry. |
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199 */ |
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200 native String lookupSignatureInPool(HotSpotConstantPool constantPool, int which); |
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202 /** |
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203 * Gets the {@code JVM_CONSTANT_Class} index from the entry at index {@code cpi} in |
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204 * {@code constantPool}. |
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205 * |
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206 * The behavior of this method is undefined if {@code cpi} does not denote an entry containing a |
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207 * {@code JVM_CONSTANT_Class} index. |
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208 */ |
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209 native int lookupKlassRefIndexInPool(HotSpotConstantPool constantPool, int cpi); |
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210 |
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211 /** |
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212 * Looks up a class denoted by the {@code JVM_CONSTANT_Class} entry at index {@code cpi} in |
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213 * {@code constantPool}. This method does not perform any resolution. |
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214 * |
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215 * The behavior of this method is undefined if {@code cpi} does not denote a |
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216 * {@code JVM_CONSTANT_Class} entry. |
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217 * |
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218 * @return the resolved class entry or a String otherwise |
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219 */ |
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220 native Object lookupKlassInPool(HotSpotConstantPool constantPool, int cpi); |
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222 /** | |
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223 * Looks up a method denoted by the entry at index {@code cpi} in {@code constantPool}. This |
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224 * method does not perform any resolution. |
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225 * |
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226 * The behavior of this method is undefined if {@code cpi} does not denote an entry representing |
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227 * a method. |
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228 * |
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229 * @param opcode the opcode of the instruction for which the lookup is being performed or |
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230 * {@code -1}. If non-negative, then resolution checks specific to the bytecode it |
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231 * denotes are performed if the method is already resolved. Should any of these |
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232 * checks fail, 0 is returned. |
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233 * @return the resolved method entry, 0 otherwise |
14093 | 234 */ |
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235 native HotSpotResolvedJavaMethodImpl lookupMethodInPool(HotSpotConstantPool constantPool, int cpi, byte opcode); |
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236 |
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237 /** |
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238 * Ensures that the type referenced by the specified {@code JVM_CONSTANT_InvokeDynamic} entry at |
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239 * index {@code cpi} in {@code constantPool} is loaded and initialized. |
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240 * |
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241 * The behavior of this method is undefined if {@code cpi} does not denote a |
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242 * {@code JVM_CONSTANT_InvokeDynamic} entry. |
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243 */ |
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244 native void resolveInvokeDynamicInPool(HotSpotConstantPool constantPool, int cpi); |
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245 |
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246 /** |
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247 * If {@code cpi} denotes an entry representing a |
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248 * <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-2.html#jvms-2.9">signature |
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249 * polymorphic</a> method, this method ensures that the type referenced by the entry is loaded |
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250 * and initialized. It {@code cpi} does not denote a signature polymorphic method, this method |
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251 * does nothing. |
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252 */ |
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253 native void resolveInvokeHandleInPool(HotSpotConstantPool constantPool, int cpi); |
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254 |
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255 /** |
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256 * Gets the list of type names (in the format of {@link JavaType#getName()}) denoting the |
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257 * classes that define signature polymorphic methods. |
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258 */ |
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259 native String[] getSignaturePolymorphicHolders(); |
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260 |
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261 /** |
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262 * Gets the resolved type denoted by the entry at index {@code cpi} in {@code constantPool}. |
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263 * |
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264 * The behavior of this method is undefined if {@code cpi} does not denote an entry representing |
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265 * a class. |
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266 * |
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267 * @throws LinkageError if resolution failed |
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268 */ |
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269 native HotSpotResolvedObjectTypeImpl resolveTypeInPool(HotSpotConstantPool constantPool, int cpi) throws LinkageError; |
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270 |
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271 /** |
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272 * Looks up and attempts to resolve the {@code JVM_CONSTANT_Field} entry at index {@code cpi} in |
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273 * {@code constantPool}. The values returned in {@code info} are: |
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274 * |
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275 * <pre> |
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277 * (int) offset] // only valid if field is resolved | |
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278 * </pre> |
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279 * |
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280 * The behavior of this method is undefined if {@code cpi} does not denote a |
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281 * {@code JVM_CONSTANT_Field} entry. |
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282 * |
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283 * @param info an array in which the details of the field are returned |
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284 * @return the type defining the field if resolution is successful, 0 otherwise |
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285 */ |
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286 native HotSpotResolvedObjectTypeImpl resolveFieldInPool(HotSpotConstantPool constantPool, int cpi, byte opcode, long[] info); |
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287 |
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288 /** |
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289 * Converts {@code cpci} from an index into the cache for {@code constantPool} to an index |
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290 * directly into {@code constantPool}. |
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291 * |
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292 * The behavior of this method is undefined if {@code ccpi} is an invalid constant pool cache |
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293 * index. |
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294 */ |
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295 native int constantPoolRemapInstructionOperandFromCache(HotSpotConstantPool constantPool, int cpci); |
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296 |
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297 /** |
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298 * Gets the appendix object (if any) associated with the entry at index {@code cpi} in |
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299 * {@code constantPool}. |
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300 */ |
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301 native Object lookupAppendixInPool(HotSpotConstantPool constantPool, int cpi); |
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302 |
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303 /** |
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304 * Installs the result of a compilation into the code cache. |
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305 * |
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306 * @param target the target where this code should be installed |
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307 * @param compiledCode the result of a compilation |
9604 | 308 * @param code the details of the installed CodeBlob are written to this object |
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309 * @return the outcome of the installation which will be one of |
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310 * {@link HotSpotVMConfig#codeInstallResultOk}, |
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311 * {@link HotSpotVMConfig#codeInstallResultCacheFull}, |
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312 * {@link HotSpotVMConfig#codeInstallResultCodeTooLarge}, |
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313 * {@link HotSpotVMConfig#codeInstallResultDependenciesFailed} or |
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314 * {@link HotSpotVMConfig#codeInstallResultDependenciesInvalid}. |
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315 * @throws JVMCIError if there is something wrong with the compiled code or the associated |
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316 * metadata. |
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317 */ |
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318 native int installCode(TargetDescription target, HotSpotCompiledCode compiledCode, InstalledCode code, HotSpotSpeculationLog speculationLog); |
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319 |
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320 /** |
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321 * Resets all compilation statistics. |
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322 */ |
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323 native void resetCompilationStatistics(); |
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324 |
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325 /** |
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326 * Reads the database of VM info. The return value encodes the info in a nested object array |
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327 * that is described by the pseudo Java object {@code info} below: |
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328 * |
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329 * <pre> |
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330 * info = [ |
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331 * VMField[] vmFields, |
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332 * [String name, Long size, ...] vmTypeSizes, |
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333 * [String name, Long value, ...] vmConstants, |
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334 * [String name, Long value, ...] vmAddresses, |
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335 * VMFlag[] vmFlags |
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336 * ] |
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337 * </pre> |
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338 * |
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339 * @return VM info as encoded above |
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340 */ |
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341 native Object[] readConfiguration(); |
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342 |
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343 /** |
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344 * Resolves the implementation of {@code method} for virtual dispatches on objects of dynamic |
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345 * type {@code exactReceiver}. This resolution process only searches "up" the class hierarchy of |
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346 * {@code exactReceiver}. |
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347 * |
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348 * @param caller the caller or context type used to perform access checks |
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349 * @return the link-time resolved method (might be abstract) or {@code 0} if it can not be |
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350 * linked |
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351 */ |
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352 native HotSpotResolvedJavaMethodImpl resolveMethod(HotSpotResolvedObjectTypeImpl exactReceiver, HotSpotResolvedJavaMethodImpl method, HotSpotResolvedObjectTypeImpl caller); |
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353 |
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354 /** |
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355 * Gets the static initializer of {@code type}. |
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356 * |
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357 * @return 0 if {@code type} has no static initializer |
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358 */ |
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359 native HotSpotResolvedJavaMethodImpl getClassInitializer(HotSpotResolvedObjectTypeImpl type); |
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360 |
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361 /** |
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362 * Determines if {@code type} or any of its currently loaded subclasses overrides |
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363 * {@code Object.finalize()}. |
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364 */ |
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365 native boolean hasFinalizableSubclass(HotSpotResolvedObjectTypeImpl type); |
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366 |
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367 /** |
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368 * Gets the method corresponding to {@code executable}. |
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369 */ |
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370 native HotSpotResolvedJavaMethodImpl asResolvedJavaMethod(Executable executable); |
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371 |
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372 /** |
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373 * Gets the maximum absolute offset of a PC relative call to {@code address} from any position |
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374 * in the code cache. |
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375 * |
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376 * @param address an address that may be called from any code in the code cache |
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377 * @return -1 if {@code address == 0} |
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378 */ |
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379 native long getMaxCallTargetOffset(long address); |
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380 |
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381 /** |
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382 * Gets a textual disassembly of {@code codeBlob}. |
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383 * |
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384 * @return a non-zero length string containing a disassembly of {@code codeBlob} or null if |
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385 * {@code codeBlob} could not be disassembled for some reason |
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386 */ |
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387 // The HotSpot disassembler seems not to be thread safe so it's better to synchronize its usage |
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388 synchronized native String disassembleCodeBlob(InstalledCode installedCode); |
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389 |
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390 /** |
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391 * Gets a stack trace element for {@code method} at bytecode index {@code bci}. |
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392 */ |
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393 native StackTraceElement getStackTraceElement(HotSpotResolvedJavaMethodImpl method, int bci); |
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394 |
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395 /** |
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396 * Executes some {@code installedCode} with arguments {@code args}. |
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397 * |
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398 * @return the result of executing {@code installedCode} |
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399 * @throws InvalidInstalledCodeException if {@code installedCode} has been invalidated |
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400 */ |
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401 native Object executeInstalledCode(Object[] args, InstalledCode installedCode) throws InvalidInstalledCodeException; |
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402 |
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403 /** |
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404 * Gets the line number table for {@code method}. The line number table is encoded as (bci, |
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405 * source line number) pairs. |
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406 * |
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407 * @return the line number table for {@code method} or null if it doesn't have one |
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408 */ |
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409 native long[] getLineNumberTable(HotSpotResolvedJavaMethodImpl method); |
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410 |
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411 /** |
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412 * Gets the number of entries in the local variable table for {@code method}. |
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413 * |
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414 * @return the number of entries in the local variable table for {@code method} |
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415 */ |
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416 native int getLocalVariableTableLength(HotSpotResolvedJavaMethodImpl method); |
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417 |
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418 /** |
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419 * Gets the address of the first entry in the local variable table for {@code method}. |
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420 * |
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421 * Each entry is a native object described by these fields: |
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422 * |
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423 * <ul> |
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424 * <li>{@link HotSpotVMConfig#localVariableTableElementSize}</li> |
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425 * <li>{@link HotSpotVMConfig#localVariableTableElementLengthOffset}</li> |
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426 * <li>{@link HotSpotVMConfig#localVariableTableElementNameCpIndexOffset}</li> |
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427 * <li>{@link HotSpotVMConfig#localVariableTableElementDescriptorCpIndexOffset}</li> |
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428 * <li>{@link HotSpotVMConfig#localVariableTableElementSlotOffset} |
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429 * <li>{@link HotSpotVMConfig#localVariableTableElementStartBciOffset} |
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430 * </ul> |
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431 * |
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432 * @return 0 if {@code method} does not have a local variable table |
22420
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433 */ |
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434 native long getLocalVariableTableStart(HotSpotResolvedJavaMethodImpl method); |
13306
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twisti
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435 |
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436 /** |
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437 * Reads an object pointer within a VM data structure. That is, any {@link VMField} whose |
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438 * {@link VMField#type type} is {@code "oop"} (e.g., {@code ArrayKlass::_component_mirror}, |
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439 * {@code Klass::_java_mirror}, {@code JavaThread::_threadObj}). |
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440 * |
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441 * Note that {@link Unsafe#getObject(Object, long)} cannot be used for this since it does a |
03b4fa99eff8
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442 * {@code narrowOop} read if the VM is using compressed oops whereas oops within VM data |
03b4fa99eff8
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443 * structures are (currently) always uncompressed. |
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444 * |
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445 * @param address address of an oop field within a VM data structure |
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446 */ |
22547
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447 native Object readUncompressedOop(long address); |
18719
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Generalize object reading in HotSpotMemoryAccessProvider.
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448 |
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449 /** |
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Backport style fixes and comments from jdk9.
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450 * Determines if {@code method} should not be inlined or compiled. |
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451 */ |
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452 native void doNotInlineOrCompile(HotSpotResolvedJavaMethodImpl method); |
12532
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Extend the CompilerToVM interface to explicitly avoid compilation and inlining of methods
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453 |
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454 /** |
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455 * Invalidates the profiling information for {@code method} and (re)initializes it such that |
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456 * profiling restarts upon its next invocation. |
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457 */ |
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458 native void reprofile(HotSpotResolvedJavaMethodImpl method); |
8945
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add basic invokedynamic support
Andreas Woess <andreas.woess@jku.at>
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459 |
22420
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460 /** |
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461 * Invalidates {@code installedCode} such that {@link InvalidInstalledCodeException} will be |
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462 * raised the next time {@code installedCode} is executed. |
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463 */ |
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464 native void invalidateInstalledCode(InstalledCode installedCode); |
11520
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Add isLinked method to ResolvedJavaType
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465 |
11852
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move benchmark counters into separate class and make them correct for multithreaded applications
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466 /** |
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467 * Collects the current values of all JVMCI benchmark counters, summed up over all threads. |
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468 */ |
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469 native long[] collectCounters(); |
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Use compile ids assigned by hotspot
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470 |
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471 /** |
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472 * Determines if {@code metaspaceMethodData} is mature. |
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473 */ |
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474 native boolean isMature(long metaspaceMethodData); |
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Only use mature method datas
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475 |
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476 /** |
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477 * Generate a unique id to identify the result of the compile. |
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478 */ |
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479 native int allocateCompileId(HotSpotResolvedJavaMethodImpl method, int entryBCI); |
14107
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enable C1 + Graal tiered
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480 |
800057208a2c
enable C1 + Graal tiered
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481 /** |
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482 * Determines if {@code method} has OSR compiled code identified by {@code entryBCI} for |
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483 * compilation level {@code level}. |
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484 */ |
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485 native boolean hasCompiledCodeForOSR(HotSpotResolvedJavaMethodImpl method, int entryBCI, int level); |
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new StackIntrospection interface to allow access to stack contents
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486 |
36e1a11a72b3
new StackIntrospection interface to allow access to stack contents
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487 /** |
22420
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488 * Gets the value of {@code metaspaceSymbol} as a String. |
15968
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more improvements to runtime initialization:
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489 */ |
22547
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490 native String getSymbol(long metaspaceSymbol); |
15968
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|
491 |
42eaa579e134
more improvements to runtime initialization:
Doug Simon <doug.simon@oracle.com>
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15843
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|
492 /** |
22420
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493 * Looks for the next Java stack frame matching an entry in {@code methods}. |
15063
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494 * |
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495 * @param frame the starting point of the search, where {@code null} refers to the topmost frame |
22455
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496 * @param methods the methods to look for, where {@code null} means that any frame is returned |
15063
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497 * @return the frame, or {@code null} if the end of the stack was reached during the search |
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498 */ |
22636
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499 native HotSpotStackFrameReference getNextStackFrame(HotSpotStackFrameReference frame, ResolvedJavaMethod[] methods, int initialSkip); |
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500 |
36e1a11a72b3
new StackIntrospection interface to allow access to stack contents
Lukas Stadler <lukas.stadler@oracle.com>
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15059
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changeset
|
501 /** |
23393
1d4ce2d19e52
clean up and minimize JVMCI (JDK-8156835)
Doug Simon <doug.simon@oracle.com>
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23392
diff
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502 * Materializes all virtual objects within {@code stackFrame} and updates its locals. |
15063
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503 * |
36e1a11a72b3
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504 * @param invalidate if {@code true}, the compiled method for the stack frame will be |
23393
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505 * invalidated |
15063
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506 */ |
22547
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507 native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); |
15205
affef8631cf4
Add eager resolving for indy call sites
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15193
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changeset
|
508 |
22420
e3d9e0f9b50c
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509 /** |
22455
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510 * Gets the v-table index for interface method {@code method} in the receiver {@code type} or |
7ad03bf3d4a9
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511 * {@link HotSpotVMConfig#invalidVtableIndex} if {@code method} is not in {@code type}'s |
7ad03bf3d4a9
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512 * v-table. |
22583
c9f8eec77163
CompilerToVm.getVtableIndexForInterfaceMethod must not allow non-interface methods (JDK-8136659)
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
22582
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|
513 * |
c9f8eec77163
CompilerToVm.getVtableIndexForInterfaceMethod must not allow non-interface methods (JDK-8136659)
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22582
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514 * @throws InternalError if {@code type} is an interface or {@code method} is not held by an |
22584
f94fd2b4f794
CompilerToVM.getVtableIndexForInterfaceMethod check if receiver class is initialized (JDK-8136655)
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
22583
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515 * interface or class represented by {@code type} is not initialized |
22420
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516 */ |
22583
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CompilerToVm.getVtableIndexForInterfaceMethod must not allow non-interface methods (JDK-8136659)
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changeset
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517 native int getVtableIndexForInterfaceMethod(HotSpotResolvedObjectTypeImpl type, HotSpotResolvedJavaMethodImpl method); |
16243
fb77eab05bd3
Respect the VM's wish to record non-safepoint debug info
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
16184
diff
changeset
|
518 |
22420
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519 /** |
e3d9e0f9b50c
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520 * Determines if debug info should also be emitted at non-safepoint locations. |
e3d9e0f9b50c
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521 */ |
22636
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522 native boolean shouldDebugNonSafepoints(); |
16405
9bfc4247262f
send log output to native tty
Lukas Stadler <lukas.stadler@oracle.com>
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16243
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changeset
|
523 |
22420
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524 /** |
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525 * Writes {@code length} bytes from {@code bytes} starting at offset {@code offset} to the |
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526 * HotSpot's log stream. |
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527 * |
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528 * @exception NullPointerException if {@code bytes == null} |
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529 * @exception IndexOutOfBoundsException if copying would cause access of data outside array |
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530 * bounds |
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531 */ |
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532 native void writeDebugOutput(byte[] bytes, int offset, int length); |
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533 |
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534 /** |
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535 * Flush HotSpot's log stream. |
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536 */ |
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537 native void flushDebugOutput(); |
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538 |
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539 /** |
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540 * Read a HotSpot Method* value from the memory location described by {@code base} plus |
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541 * {@code displacement} and return the {@link HotSpotResolvedJavaMethodImpl} wrapping it. This |
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542 * method does no checking that the memory location actually contains a valid pointer and may |
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543 * crash the VM if an invalid location is provided. If the {@code base} is null then |
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544 * {@code displacement} is used by itself. If {@code base} is a |
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545 * {@link HotSpotResolvedJavaMethodImpl}, {@link HotSpotConstantPool} or |
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546 * {@link HotSpotResolvedObjectTypeImpl} then the metaspace pointer is fetched from that object |
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547 * and added to {@code displacement}. Any other non-null object type causes an |
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548 * {@link IllegalArgumentException} to be thrown. |
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549 * |
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550 * @param base an object to read from or null |
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551 * @param displacement |
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552 * @return null or the resolved method for this location |
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553 */ |
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554 native HotSpotResolvedJavaMethodImpl getResolvedJavaMethod(Object base, long displacement); |
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555 |
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556 /** |
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557 * Gets the {@code ConstantPool*} associated with {@code object} and returns a |
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558 * {@link HotSpotConstantPool} wrapping it. |
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559 * |
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560 * @param object a {@link HotSpotResolvedJavaMethodImpl} or |
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561 * {@link HotSpotResolvedObjectTypeImpl} object |
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562 * @return a {@link HotSpotConstantPool} wrapping the {@code ConstantPool*} associated with |
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563 * {@code object} |
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564 * @throws NullPointerException if {@code object == null} |
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565 * @throws IllegalArgumentException if {@code object} is neither a |
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566 * {@link HotSpotResolvedJavaMethodImpl} nor a {@link HotSpotResolvedObjectTypeImpl} |
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567 */ |
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568 native HotSpotConstantPool getConstantPool(Object object); |
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569 |
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570 /** |
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571 * Read a HotSpot Klass* value from the memory location described by {@code base} plus |
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572 * {@code displacement} and return the {@link HotSpotResolvedObjectTypeImpl} wrapping it. This |
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573 * method does no checking that the memory location actually contains a valid pointer and may |
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574 * crash the VM if an invalid location is provided. If the {@code base} is null then |
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575 * {@code displacement} is used by itself. If {@code base} is a |
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576 * {@link HotSpotResolvedJavaMethodImpl}, {@link HotSpotConstantPool} or |
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577 * {@link HotSpotResolvedObjectTypeImpl} then the metaspace pointer is fetched from that object |
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578 * and added to {@code displacement}. Any other non-null object type causes an |
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579 * {@link IllegalArgumentException} to be thrown. |
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580 * |
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581 * @param base an object to read from or null |
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582 * @param displacement |
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583 * @param compressed true if the location contains a compressed Klass* |
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584 * @return null or the resolved method for this location |
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585 */ |
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586 native HotSpotResolvedObjectTypeImpl getResolvedJavaType(Object base, long displacement, boolean compressed); |
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587 |
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588 /** |
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589 * Return the size of the HotSpot ProfileData* pointed at by {@code position}. If |
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590 * {@code position} is outside the space of the MethodData then an |
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591 * {@link IllegalArgumentException} is thrown. A {@code position} inside the MethodData but that |
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592 * isn't pointing at a valid ProfileData will crash the VM. |
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593 * |
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594 * @param metaspaceMethodData |
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595 * @param position |
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596 * @return the size of the ProfileData item pointed at by {@code position} |
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597 * @throws IllegalArgumentException if an out of range position is given |
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598 */ |
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599 native int methodDataProfileDataSize(long metaspaceMethodData, int position); |
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600 |
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601 /** |
23749
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|
602 * Invokes non-public method {@code java.lang.invoke.LambdaForm.compileToBytecode()} on |
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603 * {@code lambdaForm} (which must be a {@code java.lang.invoke.LambdaForm} instance). |
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604 */ |
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|
605 native void compileToBytecode(Object lambdaForm); |
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606 |
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607 /** |
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608 * Return the amount of native stack required for the interpreter frames represented by |
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609 * {@code frame}. This is used when emitting the stack banging code to ensure that there is |
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610 * enough space for the frames during deoptimization. |
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611 * |
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612 * @param frame |
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613 * @return the number of bytes required for deoptimization of this frame state |
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614 */ |
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615 native int interpreterFrameSize(BytecodeFrame frame); |
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616 } |