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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/jvmci/HotSpotConstantReflectionProvider.java @ 21533:b118c9be1d1f

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fixed regression preventing hosted CompileTheWorld from running (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Sun, 24 May 2015 14:44:28 +0200
parents de0cf192779c
children c1e2fdb5fea3
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1 /*
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2 * Copyright (c) 2011, 2015, 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 package com.oracle.graal.hotspot.jvmci;
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24
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25 import static com.oracle.graal.compiler.common.GraalOptions.*;
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26 import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*;
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27 import static com.oracle.graal.hotspot.stubs.SnippetStub.*;
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28
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29 import java.lang.reflect.*;
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30 import java.util.*;
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31
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32 import com.oracle.graal.api.meta.*;
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33 import com.oracle.graal.compiler.common.*;
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34 import com.oracle.graal.graph.*;
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35 import com.oracle.graal.options.*;
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36 import com.oracle.graal.replacements.*;
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37 import com.oracle.graal.replacements.SnippetTemplate.Arguments;
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38
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39 /**
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40 * HotSpot implementation of {@link ConstantReflectionProvider}.
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41 */
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42 public class HotSpotConstantReflectionProvider implements ConstantReflectionProvider, HotSpotProxified {
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43 private static final String SystemClassName = "Ljava/lang/System;";
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44
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45 protected final HotSpotJVMCIRuntimeProvider runtime;
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46 protected final HotSpotMethodHandleAccessProvider methodHandleAccess;
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47 protected final HotSpotMemoryAccessProviderImpl memoryAccess;
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48
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49 public static final ThreadLocal<Boolean> FieldReadEnabledInImmutableCode = new ThreadLocal<>();
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50
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51 public HotSpotConstantReflectionProvider(HotSpotJVMCIRuntimeProvider runtime) {
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52 this.runtime = runtime;
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53 this.methodHandleAccess = new HotSpotMethodHandleAccessProvider(this);
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54 this.memoryAccess = new HotSpotMemoryAccessProviderImpl(runtime);
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55 }
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56
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57 public MethodHandleAccessProvider getMethodHandleAccess() {
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58 return methodHandleAccess;
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59 }
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60
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61 @Override
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62 public MemoryAccessProvider getMemoryAccessProvider() {
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63 return memoryAccess;
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64 }
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65
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66 @Override
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67 public Boolean constantEquals(Constant x, Constant y) {
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68 if (x == y) {
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69 return true;
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70 } else if (x instanceof HotSpotObjectConstantImpl) {
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71 return y instanceof HotSpotObjectConstantImpl && ((HotSpotObjectConstantImpl) x).object() == ((HotSpotObjectConstantImpl) y).object();
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72 } else {
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73 return x.equals(y);
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74 }
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75 }
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76
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77 @Override
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78 public Integer readArrayLength(JavaConstant array) {
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79 if (array.getKind() != Kind.Object || array.isNull()) {
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80 return null;
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81 }
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82
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83 Object arrayObject = ((HotSpotObjectConstantImpl) array).object();
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84 if (!arrayObject.getClass().isArray()) {
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85 return null;
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86 }
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87 return Array.getLength(arrayObject);
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88 }
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89
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90 public JavaConstant readConstantArrayElement(JavaConstant array, int index) {
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91 if (array instanceof HotSpotObjectConstantImpl && ((HotSpotObjectConstantImpl) array).getStableDimension() > 0) {
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92 JavaConstant element = readArrayElement(array, index);
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93 if (element != null && (((HotSpotObjectConstantImpl) array).isDefaultStable() || !element.isDefaultForKind())) {
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94 return element;
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95 }
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96 }
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97 return null;
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98 }
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99
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100 /**
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101 * Try to convert {@code offset} into an an index into {@code array}.
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102 *
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103 * @return -1 if the offset isn't within the array or the computed index
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104 */
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105 private int indexForOffset(JavaConstant array, long offset) {
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106 if (array.getKind() != Kind.Object || array.isNull()) {
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107 return -1;
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108 }
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109 Class<?> componentType = ((HotSpotObjectConstantImpl) array).object().getClass().getComponentType();
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110 Kind kind = runtime.getHostJVMCIBackend().getMetaAccess().lookupJavaType(componentType).getKind();
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111 int arraybase = runtime.getArrayBaseOffset(kind);
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112 int scale = runtime.getArrayIndexScale(kind);
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113 if (offset < arraybase) {
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114 return -1;
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115 }
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116 long index = offset - arraybase;
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117 if (index % scale != 0) {
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118 return -1;
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119 }
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120 long result = index / scale;
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121 if (result >= Integer.MAX_VALUE) {
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122 return -1;
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123 }
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124 return (int) result;
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125 }
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126
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127 public JavaConstant readConstantArrayElementForOffset(JavaConstant array, long offset) {
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128 if (array instanceof HotSpotObjectConstantImpl && ((HotSpotObjectConstantImpl) array).getStableDimension() > 0) {
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129 return readConstantArrayElement(array, indexForOffset(array, offset));
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130 }
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131 return null;
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132 }
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133
15023
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134 @Override
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135 public JavaConstant readArrayElement(JavaConstant array, int index) {
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136 if (array.getKind() != Kind.Object || array.isNull()) {
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137 return null;
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138 }
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139 Object a = ((HotSpotObjectConstantImpl) array).object();
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140
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141 if (index < 0 || index >= Array.getLength(a)) {
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142 return null;
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143 }
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144
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145 if (a instanceof Object[]) {
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146 Object element = ((Object[]) a)[index];
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147 if (((HotSpotObjectConstantImpl) array).getStableDimension() > 1) {
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148 return HotSpotObjectConstantImpl.forStableArray(element, ((HotSpotObjectConstantImpl) array).getStableDimension() - 1, ((HotSpotObjectConstantImpl) array).isDefaultStable());
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149 } else {
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150 return HotSpotObjectConstantImpl.forObject(element);
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151 }
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152 } else {
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153 return JavaConstant.forBoxedPrimitive(Array.get(a, index));
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154 }
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155 }
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156
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157 /**
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158 * Check if the constant is a boxed value that is guaranteed to be cached by the platform.
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159 * Otherwise the generated code might be the only reference to the boxed value and since object
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160 * references from nmethods are weak this can cause GC problems.
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161 *
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162 * @param source
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163 * @return true if the box is cached
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164 */
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165 private static boolean isBoxCached(JavaConstant source) {
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166 switch (source.getKind()) {
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167 case Boolean:
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168 return true;
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169 case Char:
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170 return source.asInt() <= 127;
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171 case Byte:
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172 case Short:
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173 case Int:
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174 return source.asInt() >= -128 && source.asInt() <= 127;
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175 case Long:
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176 return source.asLong() >= -128 && source.asLong() <= 127;
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177 case Float:
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178 case Double:
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179 return false;
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180 default:
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181 throw new IllegalArgumentException("unexpected kind " + source.getKind());
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182 }
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183 }
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184
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185 @Override
18187
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diff changeset
186 public JavaConstant boxPrimitive(JavaConstant source) {
18801
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diff changeset
187 if (!source.getKind().isPrimitive() || !isBoxCached(source)) {
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188 return null;
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189 }
18262
f7d45e2426d4 converted HotSpotObjectConstant to an interface
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diff changeset
190 return HotSpotObjectConstantImpl.forObject(source.asBoxedPrimitive());
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191 }
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192
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193 @Override
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diff changeset
194 public JavaConstant unboxPrimitive(JavaConstant source) {
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195 if (!source.getKind().isObject()) {
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196 return null;
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197 }
18293
ab8fbaa5e72f fixed minor regressions after removing HotSpotObjectConstantImpl.asObject()
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diff changeset
198 if (source.isNull()) {
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diff changeset
199 return null;
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parents: 18290
diff changeset
200 }
18290
e7d219e9d01f removed HotSpotObjectConstantImpl.asObject()
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diff changeset
201 return JavaConstant.forBoxedPrimitive(((HotSpotObjectConstantImpl) source).object());
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202 }
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diff changeset
203
18295
17bf458cf86e reduced use of HotSpotObjectConstantImpl.forObject
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diff changeset
204 public JavaConstant forString(String value) {
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diff changeset
205 return HotSpotObjectConstantImpl.forObject(value);
17bf458cf86e reduced use of HotSpotObjectConstantImpl.forObject
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diff changeset
206 }
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parents: 18293
diff changeset
207
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diff changeset
208 @Override
18487
0f4813e0b4a9 Use asConstant() instead of asJavaConstant() where possible.
Roland Schatz <roland.schatz@oracle.com>
parents: 18482
diff changeset
209 public ResolvedJavaType asJavaType(Constant constant) {
15909
e43591136d9f Support for compressed constants.
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diff changeset
210 if (constant instanceof HotSpotObjectConstant) {
18290
e7d219e9d01f removed HotSpotObjectConstantImpl.asObject()
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diff changeset
211 Object obj = ((HotSpotObjectConstantImpl) constant).object();
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diff changeset
212 if (obj instanceof Class) {
21529
de0cf192779c removed more dependencies from JVMCI classes to non-JVMCI classes (JBS:GRAAL-53)
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parents: 21459
diff changeset
213 return runtime.getHostJVMCIBackend().getMetaAccess().lookupJavaType((Class<?>) obj);
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diff changeset
214 }
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diff changeset
215 }
16183
b1be2a46cc5c canonicalize LoadMethodNodes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15909
diff changeset
216 if (constant instanceof HotSpotMetaspaceConstant) {
18266
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
217 Object obj = HotSpotMetaspaceConstantImpl.getMetaspaceObject(constant);
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18188
diff changeset
218 if (obj instanceof HotSpotResolvedObjectTypeImpl) {
16183
b1be2a46cc5c canonicalize LoadMethodNodes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15909
diff changeset
219 return (ResolvedJavaType) obj;
b1be2a46cc5c canonicalize LoadMethodNodes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15909
diff changeset
220 }
b1be2a46cc5c canonicalize LoadMethodNodes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15909
diff changeset
221 }
15018
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diff changeset
222 return null;
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parents: 13488
diff changeset
223 }
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
224
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
225 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
226 * {@inheritDoc}
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
227 * <p>
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
228 * The {@code value} field in {@link OptionValue} is considered constant if the type of
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parents: 18362
diff changeset
229 * {@code receiver} is (assignable to) {@link StableOptionValue}.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
230 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
231 public JavaConstant readConstantFieldValue(JavaField field, JavaConstant receiver) {
21529
de0cf192779c removed more dependencies from JVMCI classes to non-JVMCI classes (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21459
diff changeset
232 assert !ImmutableCode.getValue() || isCalledForSnippets() || SnippetGraphUnderConstruction.get() != null ||
de0cf192779c removed more dependencies from JVMCI classes to non-JVMCI classes (JBS:GRAAL-53)
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parents: 21459
diff changeset
233 HotSpotConstantReflectionProvider.FieldReadEnabledInImmutableCode.get() == Boolean.TRUE : receiver;
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
234 HotSpotResolvedJavaField hotspotField = (HotSpotResolvedJavaField) field;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
235
21377
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
Christian Wimmer <christian.wimmer@oracle.com>
parents: 21290
diff changeset
236 if (hotspotField.isStatic()) {
18507
c2b45b536677 Constant fold elements of switch table and enum values() arrays
Andreas Woess <andreas.woess@jku.at>
parents: 18505
diff changeset
237 if (hotspotField.isFinal() || hotspotField.isStable()) {
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
238 ResolvedJavaType holder = hotspotField.getDeclaringClass();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
239 if (holder.isInitialized() && !holder.getName().equals(SystemClassName) && isEmbeddable(hotspotField)) {
18507
c2b45b536677 Constant fold elements of switch table and enum values() arrays
Andreas Woess <andreas.woess@jku.at>
parents: 18505
diff changeset
240 JavaConstant value = readFieldValue(field, receiver);
c2b45b536677 Constant fold elements of switch table and enum values() arrays
Andreas Woess <andreas.woess@jku.at>
parents: 18505
diff changeset
241 if (hotspotField.isFinal() || !value.isDefaultForKind()) {
c2b45b536677 Constant fold elements of switch table and enum values() arrays
Andreas Woess <andreas.woess@jku.at>
parents: 18505
diff changeset
242 return value;
c2b45b536677 Constant fold elements of switch table and enum values() arrays
Andreas Woess <andreas.woess@jku.at>
parents: 18505
diff changeset
243 }
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
244 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
245 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
246 } else {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
247 /*
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
248 * for non-static final fields, we must assume that they are only initialized if they
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
249 * have a non-default value.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
250 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
251 Object object = receiver.isNull() ? null : ((HotSpotObjectConstantImpl) receiver).object();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
252
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
253 // Canonicalization may attempt to process an unsafe read before
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
254 // processing a guard (e.g. a null check or a type check) for this read
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
255 // so we need to check the object being read
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
256 if (object != null) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
257 if (hotspotField.isFinal()) {
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diff changeset
258 if (hotspotField.isInObject(object)) {
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diff changeset
259 JavaConstant value = readFieldValue(field, receiver);
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diff changeset
260 if (!value.isDefaultForKind() || assumeNonStaticFinalDefaultFieldsAsFinal(object.getClass())) {
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diff changeset
261 return value;
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262 }
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263 }
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diff changeset
264 } else if (hotspotField.isStable()) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
265 if (hotspotField.isInObject(object)) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
266 JavaConstant value = readFieldValue(field, receiver);
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diff changeset
267 if (assumeDefaultStableFieldsAsFinal(object.getClass()) || !value.isDefaultForKind()) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
268 return value;
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269 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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270 }
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diff changeset
271 } else {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
272 Class<?> clazz = object.getClass();
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diff changeset
273 if (StableOptionValue.class.isAssignableFrom(clazz)) {
18686
3f15de59df5e Support multiple fields in StableOptionValue
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diff changeset
274 if (hotspotField.isInObject(object) && hotspotField.getName().equals("value")) {
18465
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diff changeset
275 StableOptionValue<?> option = (StableOptionValue<?>) object;
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diff changeset
276 return HotSpotObjectConstantImpl.forObject(option.getValue());
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277 }
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278 }
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279 }
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280 }
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281 }
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diff changeset
282 return null;
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283 }
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diff changeset
284
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
285 public JavaConstant readFieldValue(JavaField field, JavaConstant receiver) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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286 HotSpotResolvedJavaField hotspotField = (HotSpotResolvedJavaField) field;
18472
de179c27cad3 Add support for stable array constants
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287 if (!hotspotField.isStable()) {
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288 return readNonStableFieldValue(field, receiver);
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289 } else {
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290 return readStableFieldValue(field, receiver, false);
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291 }
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292 }
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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293
18472
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294 private JavaConstant readNonStableFieldValue(JavaField field, JavaConstant receiver) {
de179c27cad3 Add support for stable array constants
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diff changeset
295 HotSpotResolvedJavaField hotspotField = (HotSpotResolvedJavaField) field;
21377
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
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diff changeset
296 if (hotspotField.isStatic()) {
18465
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diff changeset
297 HotSpotResolvedJavaType holder = (HotSpotResolvedJavaType) hotspotField.getDeclaringClass();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
298 if (holder.isInitialized()) {
18482
b8a622c3e99f Move raw memory access operations to a separate interface.
Roland Schatz <roland.schatz@oracle.com>
parents: 18472
diff changeset
299 return memoryAccess.readUnsafeConstant(hotspotField.getKind(), HotSpotObjectConstantImpl.forObject(holder.mirror()), hotspotField.offset());
18465
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diff changeset
300 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
301 } else {
21377
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
Christian Wimmer <christian.wimmer@oracle.com>
parents: 21290
diff changeset
302 if (receiver.isNonNull() && hotspotField.isInObject(((HotSpotObjectConstantImpl) receiver).object())) {
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
Christian Wimmer <christian.wimmer@oracle.com>
parents: 21290
diff changeset
303 return memoryAccess.readUnsafeConstant(hotspotField.getKind(), receiver, hotspotField.offset());
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
Christian Wimmer <christian.wimmer@oracle.com>
parents: 21290
diff changeset
304 }
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
305 }
21377
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
Christian Wimmer <christian.wimmer@oracle.com>
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diff changeset
306 return null;
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
307 }
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Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
308
18472
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diff changeset
309 public JavaConstant readStableFieldValue(JavaField field, JavaConstant receiver, boolean isDefaultStable) {
de179c27cad3 Add support for stable array constants
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parents: 18471
diff changeset
310 JavaConstant fieldValue = readNonStableFieldValue(field, receiver);
18571
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
311 if (fieldValue.isNonNull()) {
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
312 JavaType declaredType = field.getType();
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
313 if (declaredType.getComponentType() != null) {
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
314 int stableDimension = getArrayDimension(declaredType);
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
315 return HotSpotObjectConstantImpl.forStableArray(((HotSpotObjectConstantImpl) fieldValue).object(), stableDimension, isDefaultStable);
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
316 }
18472
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Andreas Woess <andreas.woess@jku.at>
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diff changeset
317 }
de179c27cad3 Add support for stable array constants
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diff changeset
318 return fieldValue;
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diff changeset
319 }
de179c27cad3 Add support for stable array constants
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diff changeset
320
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
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diff changeset
321 private static int getArrayDimension(JavaType type) {
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
322 int dimensions = 0;
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
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diff changeset
323 JavaType componentType = type;
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
324 while ((componentType = componentType.getComponentType()) != null) {
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
325 dimensions++;
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
326 }
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
327 return dimensions;
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
328 }
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
329
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
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diff changeset
330 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
331 * Compares two {@link StackTraceElement}s for equality, ignoring differences in
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
332 * {@linkplain StackTraceElement#getLineNumber() line number}.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
333 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
334 private static boolean equalsIgnoringLine(StackTraceElement left, StackTraceElement right) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
335 return left.getClassName().equals(right.getClassName()) && left.getMethodName().equals(right.getMethodName()) && left.getFileName().equals(right.getFileName());
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
336 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
337
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
338 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
339 * If the compiler is configured for AOT mode,
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
340 * {@link #readConstantFieldValue(JavaField, JavaConstant)} should be only called for snippets
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
341 * or replacements.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
342 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
343 private static boolean isCalledForSnippets() {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
344 MetaAccessProvider metaAccess = runtime().getHostProviders().getMetaAccess();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
345 ResolvedJavaMethod makeGraphMethod = null;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
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diff changeset
346 ResolvedJavaMethod initMethod = null;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
347 try {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
348 Class<?> rjm = ResolvedJavaMethod.class;
21290
ed1fcadffda1 removed FrameStateProcessing and CollapseFrameForSingleSideEffectPhase
Doug Simon <doug.simon@oracle.com>
parents: 19994
diff changeset
349 makeGraphMethod = metaAccess.lookupJavaMethod(ReplacementsImpl.class.getDeclaredMethod("makeGraph", rjm, Object[].class, rjm));
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
350 initMethod = metaAccess.lookupJavaMethod(SnippetTemplate.AbstractTemplates.class.getDeclaredMethod("template", Arguments.class));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
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diff changeset
351 } catch (NoSuchMethodException | SecurityException e) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
352 throw new GraalInternalError(e);
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
353 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
354 StackTraceElement makeGraphSTE = makeGraphMethod.asStackTraceElement(0);
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
355 StackTraceElement initSTE = initMethod.asStackTraceElement(0);
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
356
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
357 StackTraceElement[] stackTrace = new Exception().getStackTrace();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
358 for (StackTraceElement element : stackTrace) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
359 // Ignoring line numbers should not weaken this check too much while at
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
360 // the same time making it more robust against source code changes
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
361 if (equalsIgnoringLine(makeGraphSTE, element) || equalsIgnoringLine(initSTE, element)) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
362 return true;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
363 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
364 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
365 return false;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
366 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
367
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
368 private static boolean assumeNonStaticFinalDefaultFieldsAsFinal(Class<?> clazz) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
369 if (TrustFinalDefaultFields.getValue()) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
370 return true;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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371 }
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372 return clazz == SnippetCounter.class || clazz == NodeClass.class;
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373 }
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374
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375 /**
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376 * Usually {@link Stable} fields are not considered constant if the value is the
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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377 * {@link JavaConstant#isDefaultForKind default value}. For some special classes we want to
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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378 * override this behavior.
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379 */
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380 private static boolean assumeDefaultStableFieldsAsFinal(Class<?> clazz) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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381 // HotSpotVMConfig has a lot of zero-value fields which we know are stable and want to be
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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382 // considered as constants.
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383 if (clazz == HotSpotVMConfig.class) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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384 return true;
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385 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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386 return false;
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parents: 18362
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387 }
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parents: 18362
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388
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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389 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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390 * in AOT mode, some fields should never be embedded even for snippets/replacements.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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391 */
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parents: 18362
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392 private static boolean isEmbeddable(HotSpotResolvedJavaField field) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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393 return Embeddable.test(field);
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394 }
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parents: 18362
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395
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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396 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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397 * Separate out the static initialization to eliminate cycles between clinit and other locks
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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398 * that could lead to deadlock. Static code that doesn't call back into type or field machinery
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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399 * is probably ok but anything else should be made lazy.
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parents: 18362
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400 */
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parents: 18362
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401 static class Embeddable {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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402
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
403 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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404 * @return Return true if it's ok to embed the value of {@code field}.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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405 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
406 public static boolean test(HotSpotResolvedJavaField field) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
407 return !ImmutableCode.getValue() || !fields.contains(field);
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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408 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
409
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
410 private static final List<ResolvedJavaField> fields = new ArrayList<>();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
411 static {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
412 try {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
413 MetaAccessProvider metaAccess = runtime().getHostProviders().getMetaAccess();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
414 fields.add(metaAccess.lookupJavaField(Boolean.class.getDeclaredField("TRUE")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
415 fields.add(metaAccess.lookupJavaField(Boolean.class.getDeclaredField("FALSE")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
416
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
417 Class<?> characterCacheClass = Character.class.getDeclaredClasses()[0];
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
418 assert "java.lang.Character$CharacterCache".equals(characterCacheClass.getName());
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
419 fields.add(metaAccess.lookupJavaField(characterCacheClass.getDeclaredField("cache")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
420
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
421 Class<?> byteCacheClass = Byte.class.getDeclaredClasses()[0];
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
422 assert "java.lang.Byte$ByteCache".equals(byteCacheClass.getName());
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
423 fields.add(metaAccess.lookupJavaField(byteCacheClass.getDeclaredField("cache")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
424
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
425 Class<?> shortCacheClass = Short.class.getDeclaredClasses()[0];
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
426 assert "java.lang.Short$ShortCache".equals(shortCacheClass.getName());
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
427 fields.add(metaAccess.lookupJavaField(shortCacheClass.getDeclaredField("cache")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
428
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
429 Class<?> integerCacheClass = Integer.class.getDeclaredClasses()[0];
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
430 assert "java.lang.Integer$IntegerCache".equals(integerCacheClass.getName());
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
431 fields.add(metaAccess.lookupJavaField(integerCacheClass.getDeclaredField("cache")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
432
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
433 Class<?> longCacheClass = Long.class.getDeclaredClasses()[0];
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
434 assert "java.lang.Long$LongCache".equals(longCacheClass.getName());
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
435 fields.add(metaAccess.lookupJavaField(longCacheClass.getDeclaredField("cache")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
436
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
437 fields.add(metaAccess.lookupJavaField(Throwable.class.getDeclaredField("UNASSIGNED_STACK")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
438 fields.add(metaAccess.lookupJavaField(Throwable.class.getDeclaredField("SUPPRESSED_SENTINEL")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
439 } catch (SecurityException | NoSuchFieldException e) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
440 throw new GraalInternalError(e);
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
441 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
442 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
443 }
12429
5124eeec1a7b split HotSpotRuntime into separate provider implementations
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
444 }