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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/jvmci/HotSpotConstantReflectionProvider.java @ 21527:07b088d61d5d

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added HotSpotJVMCIRuntime* classes, replaced references to HotSpotGraalRuntime in VM with HotSpotJVMCIRuntime (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Fri, 22 May 2015 23:26:20 +0200
parents graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotConstantReflectionProvider.java@f5c2bc68205e
children
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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.hotspot.meta.*;
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36 import com.oracle.graal.options.*;
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37 import com.oracle.graal.replacements.*;
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38 import com.oracle.graal.replacements.SnippetTemplate.Arguments;
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39
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40 /**
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41 * HotSpot implementation of {@link ConstantReflectionProvider}.
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42 */
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43 public class HotSpotConstantReflectionProvider implements ConstantReflectionProvider, HotSpotProxified {
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44 private static final String SystemClassName = "Ljava/lang/System;";
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45
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46 protected final HotSpotJVMCIRuntimeProvider runtime;
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47 protected final HotSpotMethodHandleAccessProvider methodHandleAccess;
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48 protected final HotSpotMemoryAccessProviderImpl memoryAccess;
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49
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50 public HotSpotConstantReflectionProvider(HotSpotJVMCIRuntimeProvider runtime) {
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51 this.runtime = runtime;
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52 this.methodHandleAccess = new HotSpotMethodHandleAccessProvider(this);
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53 this.memoryAccess = new HotSpotMemoryAccessProviderImpl(runtime);
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54 }
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55
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56 public MethodHandleAccessProvider getMethodHandleAccess() {
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57 return methodHandleAccess;
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58 }
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59
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60 @Override
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61 public MemoryAccessProvider getMemoryAccessProvider() {
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62 return memoryAccess;
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63 }
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64
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65 @Override
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66 public Boolean constantEquals(Constant x, Constant y) {
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67 if (x == y) {
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68 return true;
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69 } else if (x instanceof HotSpotObjectConstantImpl) {
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70 return y instanceof HotSpotObjectConstantImpl && ((HotSpotObjectConstantImpl) x).object() == ((HotSpotObjectConstantImpl) y).object();
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71 } else {
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72 return x.equals(y);
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73 }
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74 }
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75
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76 @Override
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77 public Integer readArrayLength(JavaConstant array) {
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78 if (array.getKind() != Kind.Object || array.isNull()) {
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79 return null;
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80 }
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81
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82 Object arrayObject = ((HotSpotObjectConstantImpl) array).object();
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83 if (!arrayObject.getClass().isArray()) {
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84 return null;
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85 }
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86 return Array.getLength(arrayObject);
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87 }
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88
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89 public JavaConstant readConstantArrayElement(JavaConstant array, int index) {
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90 if (array instanceof HotSpotObjectConstantImpl && ((HotSpotObjectConstantImpl) array).getStableDimension() > 0) {
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91 JavaConstant element = readArrayElement(array, index);
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92 if (element != null && (((HotSpotObjectConstantImpl) array).isDefaultStable() || !element.isDefaultForKind())) {
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93 return element;
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94 }
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95 }
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96 return null;
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97 }
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98
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99 /**
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100 * Try to convert {@code offset} into an an index into {@code array}.
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101 *
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102 * @return -1 if the offset isn't within the array or the computed index
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103 */
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104 private int indexForOffset(JavaConstant array, long offset) {
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105 if (array.getKind() != Kind.Object || array.isNull()) {
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106 return -1;
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107 }
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108 Class<?> componentType = ((HotSpotObjectConstantImpl) array).object().getClass().getComponentType();
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109 Kind kind = runtime.getHostProviders().getMetaAccess().lookupJavaType(componentType).getKind();
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110 int arraybase = runtime.getArrayBaseOffset(kind);
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111 int scale = runtime.getArrayIndexScale(kind);
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112 if (offset < arraybase) {
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113 return -1;
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114 }
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115 long index = offset - arraybase;
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116 if (index % scale != 0) {
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117 return -1;
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118 }
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119 long result = index / scale;
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120 if (result >= Integer.MAX_VALUE) {
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121 return -1;
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122 }
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123 return (int) result;
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124 }
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125
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126 public JavaConstant readConstantArrayElementForOffset(JavaConstant array, long offset) {
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127 if (array instanceof HotSpotObjectConstantImpl && ((HotSpotObjectConstantImpl) array).getStableDimension() > 0) {
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128 return readConstantArrayElement(array, indexForOffset(array, offset));
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129 }
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130 return null;
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parents: 21377
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131 }
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132
15023
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diff changeset
133 @Override
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134 public JavaConstant readArrayElement(JavaConstant array, int index) {
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135 if (array.getKind() != Kind.Object || array.isNull()) {
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136 return null;
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137 }
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138 Object a = ((HotSpotObjectConstantImpl) array).object();
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139
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140 if (index < 0 || index >= Array.getLength(a)) {
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141 return null;
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142 }
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143
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144 if (a instanceof Object[]) {
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145 Object element = ((Object[]) a)[index];
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146 if (((HotSpotObjectConstantImpl) array).getStableDimension() > 1) {
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147 return HotSpotObjectConstantImpl.forStableArray(element, ((HotSpotObjectConstantImpl) array).getStableDimension() - 1, ((HotSpotObjectConstantImpl) array).isDefaultStable());
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148 } else {
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149 return HotSpotObjectConstantImpl.forObject(element);
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150 }
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151 } else {
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152 return JavaConstant.forBoxedPrimitive(Array.get(a, index));
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153 }
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154 }
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155
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156 /**
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157 * Check if the constant is a boxed value that is guaranteed to be cached by the platform.
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158 * Otherwise the generated code might be the only reference to the boxed value and since object
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159 * references from nmethods are weak this can cause GC problems.
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160 *
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161 * @param source
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162 * @return true if the box is cached
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163 */
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164 private static boolean isBoxCached(JavaConstant source) {
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165 switch (source.getKind()) {
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166 case Boolean:
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167 return true;
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diff changeset
168 case Char:
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169 return source.asInt() <= 127;
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diff changeset
170 case Byte:
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171 case Short:
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172 case Int:
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173 return source.asInt() >= -128 && source.asInt() <= 127;
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174 case Long:
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175 return source.asLong() >= -128 && source.asLong() <= 127;
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diff changeset
176 case Float:
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diff changeset
177 case Double:
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178 return false;
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diff changeset
179 default:
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diff changeset
180 throw new IllegalArgumentException("unexpected kind " + source.getKind());
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181 }
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182 }
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183
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diff changeset
184 @Override
18187
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diff changeset
185 public JavaConstant boxPrimitive(JavaConstant source) {
18801
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diff changeset
186 if (!source.getKind().isPrimitive() || !isBoxCached(source)) {
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diff changeset
187 return null;
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188 }
18262
f7d45e2426d4 converted HotSpotObjectConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18223
diff changeset
189 return HotSpotObjectConstantImpl.forObject(source.asBoxedPrimitive());
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190 }
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191
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diff changeset
192 @Override
18187
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diff changeset
193 public JavaConstant unboxPrimitive(JavaConstant source) {
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diff changeset
194 if (!source.getKind().isObject()) {
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diff changeset
195 return null;
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196 }
18293
ab8fbaa5e72f fixed minor regressions after removing HotSpotObjectConstantImpl.asObject()
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parents: 18290
diff changeset
197 if (source.isNull()) {
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parents: 18290
diff changeset
198 return null;
ab8fbaa5e72f fixed minor regressions after removing HotSpotObjectConstantImpl.asObject()
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parents: 18290
diff changeset
199 }
18290
e7d219e9d01f removed HotSpotObjectConstantImpl.asObject()
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diff changeset
200 return JavaConstant.forBoxedPrimitive(((HotSpotObjectConstantImpl) source).object());
15018
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diff changeset
201 }
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diff changeset
202
18295
17bf458cf86e reduced use of HotSpotObjectConstantImpl.forObject
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parents: 18293
diff changeset
203 public JavaConstant forString(String value) {
17bf458cf86e reduced use of HotSpotObjectConstantImpl.forObject
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diff changeset
204 return HotSpotObjectConstantImpl.forObject(value);
17bf458cf86e reduced use of HotSpotObjectConstantImpl.forObject
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diff changeset
205 }
17bf458cf86e reduced use of HotSpotObjectConstantImpl.forObject
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parents: 18293
diff changeset
206
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diff changeset
207 @Override
18487
0f4813e0b4a9 Use asConstant() instead of asJavaConstant() where possible.
Roland Schatz <roland.schatz@oracle.com>
parents: 18482
diff changeset
208 public ResolvedJavaType asJavaType(Constant constant) {
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15291
diff changeset
209 if (constant instanceof HotSpotObjectConstant) {
18290
e7d219e9d01f removed HotSpotObjectConstantImpl.asObject()
Doug Simon <doug.simon@oracle.com>
parents: 18266
diff changeset
210 Object obj = ((HotSpotObjectConstantImpl) constant).object();
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diff changeset
211 if (obj instanceof Class) {
21527
07b088d61d5d added HotSpotJVMCIRuntime* classes, replaced references to HotSpotGraalRuntime in VM with HotSpotJVMCIRuntime (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents: 21459
diff changeset
212 return runtime.getHostJVMCIBackend().getMetaAccess().lookupJavaType((Class<?>) obj);
15018
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diff changeset
213 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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parents: 13488
diff changeset
214 }
16183
b1be2a46cc5c canonicalize LoadMethodNodes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15909
diff changeset
215 if (constant instanceof HotSpotMetaspaceConstant) {
18266
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18262
diff changeset
216 Object obj = HotSpotMetaspaceConstantImpl.getMetaspaceObject(constant);
18223
17c98fad6980 converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18188
diff changeset
217 if (obj instanceof HotSpotResolvedObjectTypeImpl) {
16183
b1be2a46cc5c canonicalize LoadMethodNodes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15909
diff changeset
218 return (ResolvedJavaType) obj;
b1be2a46cc5c canonicalize LoadMethodNodes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15909
diff changeset
219 }
b1be2a46cc5c canonicalize LoadMethodNodes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15909
diff changeset
220 }
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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diff changeset
221 return null;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
222 }
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
223
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
224 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
225 * {@inheritDoc}
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
226 * <p>
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
227 * The {@code value} field in {@link OptionValue} is considered constant if the type of
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
228 * {@code receiver} is (assignable to) {@link StableOptionValue}.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
229 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
230 public JavaConstant readConstantFieldValue(JavaField field, JavaConstant receiver) {
19791
14e703edb2ab use GraphBuilderPlugins for method substitutions, intrinsics and snippets (GRAAL-982)
Doug Simon <doug.simon@oracle.com>
parents: 18867
diff changeset
231 assert !ImmutableCode.getValue() || isCalledForSnippets() || SnippetGraphUnderConstruction.get() != null || HotSpotLoadFieldPlugin.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
232 HotSpotResolvedJavaField hotspotField = (HotSpotResolvedJavaField) field;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
233
21377
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
Christian Wimmer <christian.wimmer@oracle.com>
parents: 21290
diff changeset
234 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
235 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
236 ResolvedJavaType holder = hotspotField.getDeclaringClass();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
237 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
238 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
239 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
240 return value;
c2b45b536677 Constant fold elements of switch table and enum values() arrays
Andreas Woess <andreas.woess@jku.at>
parents: 18505
diff changeset
241 }
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
242 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
243 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
244 } else {
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 * 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
247 * have a non-default value.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
248 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
249 Object object = receiver.isNull() ? null : ((HotSpotObjectConstantImpl) receiver).object();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
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 // 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
252 // 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
253 // so we need to check the object being read
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
254 if (object != null) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
255 if (hotspotField.isFinal()) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
256 if (hotspotField.isInObject(object)) {
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diff changeset
257 JavaConstant value = readFieldValue(field, receiver);
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diff changeset
258 if (!value.isDefaultForKind() || assumeNonStaticFinalDefaultFieldsAsFinal(object.getClass())) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
259 return value;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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260 }
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261 }
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diff changeset
262 } else if (hotspotField.isStable()) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
263 if (hotspotField.isInObject(object)) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
264 JavaConstant value = readFieldValue(field, receiver);
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
265 if (assumeDefaultStableFieldsAsFinal(object.getClass()) || !value.isDefaultForKind()) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
266 return value;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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267 }
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268 }
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diff changeset
269 } else {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
270 Class<?> clazz = object.getClass();
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diff changeset
271 if (StableOptionValue.class.isAssignableFrom(clazz)) {
18686
3f15de59df5e Support multiple fields in StableOptionValue
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diff changeset
272 if (hotspotField.isInObject(object) && hotspotField.getName().equals("value")) {
18465
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273 StableOptionValue<?> option = (StableOptionValue<?>) object;
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diff changeset
274 return HotSpotObjectConstantImpl.forObject(option.getValue());
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275 }
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276 }
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277 }
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278 }
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diff changeset
279 }
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diff changeset
280 return null;
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281 }
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diff changeset
282
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
283 public JavaConstant readFieldValue(JavaField field, JavaConstant receiver) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
284 HotSpotResolvedJavaField hotspotField = (HotSpotResolvedJavaField) field;
18472
de179c27cad3 Add support for stable array constants
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diff changeset
285 if (!hotspotField.isStable()) {
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Andreas Woess <andreas.woess@jku.at>
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diff changeset
286 return readNonStableFieldValue(field, receiver);
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diff changeset
287 } else {
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288 return readStableFieldValue(field, receiver, false);
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289 }
de179c27cad3 Add support for stable array constants
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290 }
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
291
18472
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diff changeset
292 private JavaConstant readNonStableFieldValue(JavaField field, JavaConstant receiver) {
de179c27cad3 Add support for stable array constants
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parents: 18471
diff changeset
293 HotSpotResolvedJavaField hotspotField = (HotSpotResolvedJavaField) field;
21377
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
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diff changeset
294 if (hotspotField.isStatic()) {
18465
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diff changeset
295 HotSpotResolvedJavaType holder = (HotSpotResolvedJavaType) hotspotField.getDeclaringClass();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
296 if (holder.isInitialized()) {
18482
b8a622c3e99f Move raw memory access operations to a separate interface.
Roland Schatz <roland.schatz@oracle.com>
parents: 18472
diff changeset
297 return memoryAccess.readUnsafeConstant(hotspotField.getKind(), HotSpotObjectConstantImpl.forObject(holder.mirror()), hotspotField.offset());
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
298 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
299 } else {
21377
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
Christian Wimmer <christian.wimmer@oracle.com>
parents: 21290
diff changeset
300 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
301 return memoryAccess.readUnsafeConstant(hotspotField.getKind(), receiver, hotspotField.offset());
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
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parents: 21290
diff changeset
302 }
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
303 }
21377
6f2ff1bccbf1 Adhere to specification described in JavaDoc of interface
Christian Wimmer <christian.wimmer@oracle.com>
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diff changeset
304 return null;
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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diff changeset
305 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
306
18472
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diff changeset
307 public JavaConstant readStableFieldValue(JavaField field, JavaConstant receiver, boolean isDefaultStable) {
de179c27cad3 Add support for stable array constants
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parents: 18471
diff changeset
308 JavaConstant fieldValue = readNonStableFieldValue(field, receiver);
18571
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
309 if (fieldValue.isNonNull()) {
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
310 JavaType declaredType = field.getType();
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
311 if (declaredType.getComponentType() != null) {
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
312 int stableDimension = getArrayDimension(declaredType);
966081b8e830 guard against null element in HotSpotConstantReflectionProvider.readStableFieldValue
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
313 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
314 }
18472
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
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diff changeset
315 }
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
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diff changeset
316 return fieldValue;
de179c27cad3 Add support for stable array constants
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diff changeset
317 }
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
318
de179c27cad3 Add support for stable array constants
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diff changeset
319 private static int getArrayDimension(JavaType type) {
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Andreas Woess <andreas.woess@jku.at>
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diff changeset
320 int dimensions = 0;
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diff changeset
321 JavaType componentType = type;
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
322 while ((componentType = componentType.getComponentType()) != null) {
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
323 dimensions++;
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
324 }
de179c27cad3 Add support for stable array constants
Andreas Woess <andreas.woess@jku.at>
parents: 18471
diff changeset
325 return 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
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
328 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
329 * 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
330 * {@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
331 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
332 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
333 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
334 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
335
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 * 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
338 * {@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
339 * or replacements.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
340 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
341 private static boolean isCalledForSnippets() {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
342 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
343 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
344 ResolvedJavaMethod initMethod = null;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
345 try {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
346 Class<?> rjm = ResolvedJavaMethod.class;
21290
ed1fcadffda1 removed FrameStateProcessing and CollapseFrameForSingleSideEffectPhase
Doug Simon <doug.simon@oracle.com>
parents: 19994
diff changeset
347 makeGraphMethod = metaAccess.lookupJavaMethod(ReplacementsImpl.class.getDeclaredMethod("makeGraph", rjm, Object[].class, rjm));
18465
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
348 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>
parents: 18362
diff changeset
349 } catch (NoSuchMethodException | SecurityException e) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
350 throw new GraalInternalError(e);
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
351 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
352 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
353 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
354
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
355 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
356 for (StackTraceElement element : stackTrace) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
357 // 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
358 // 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
359 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
360 return true;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
361 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
362 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
363 return false;
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
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
366 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
367 if (TrustFinalDefaultFields.getValue()) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
368 return true;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
369 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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370 return clazz == SnippetCounter.class || clazz == NodeClass.class;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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371 }
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parents: 18362
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372
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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373 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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374 * 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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375 * {@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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376 * override this behavior.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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377 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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378 private static boolean assumeDefaultStableFieldsAsFinal(Class<?> clazz) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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379 // 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
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
380 // considered as constants.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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381 if (clazz == HotSpotVMConfig.class) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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382 return true;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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383 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
384 return false;
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
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385 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
386
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
387 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
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388 * in AOT mode, some fields should never be embedded even for snippets/replacements.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
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389 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
390 private static boolean isEmbeddable(HotSpotResolvedJavaField field) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
diff changeset
391 return Embeddable.test(field);
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
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parents: 18362
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392 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
393
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
394 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
395 * Separate out the static initialization to eliminate cycles between clinit and other locks
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
396 * 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
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
397 * is probably ok but anything else should be made lazy.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
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398 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
399 static class Embeddable {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
400
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
401 /**
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
402 * @return Return true if it's ok to embed the value of {@code field}.
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
403 */
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
404 public static boolean test(HotSpotResolvedJavaField field) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
405 return !ImmutableCode.getValue() || !fields.contains(field);
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
406 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
407
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
408 private static final List<ResolvedJavaField> fields = new ArrayList<>();
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
409 static {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
410 try {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
411 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
412 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
413 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
414
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
415 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
416 assert "java.lang.Character$CharacterCache".equals(characterCacheClass.getName());
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
417 fields.add(metaAccess.lookupJavaField(characterCacheClass.getDeclaredField("cache")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
418
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
419 Class<?> byteCacheClass = Byte.class.getDeclaredClasses()[0];
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
420 assert "java.lang.Byte$ByteCache".equals(byteCacheClass.getName());
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
421 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
422
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
423 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
424 assert "java.lang.Short$ShortCache".equals(shortCacheClass.getName());
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
425 fields.add(metaAccess.lookupJavaField(shortCacheClass.getDeclaredField("cache")));
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
426
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
427 Class<?> integerCacheClass = Integer.class.getDeclaredClasses()[0];
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
428 assert "java.lang.Integer$IntegerCache".equals(integerCacheClass.getName());
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
429 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
430
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
431 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
432 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
433 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
434
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(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
436 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
437 } catch (SecurityException | NoSuchFieldException e) {
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
438 throw new GraalInternalError(e);
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
439 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
440 }
f0a8b72315c1 Move ResolvedJavaField#read[Constant]Value and getMethodHandleAccess() to ConstantReflectionProvider
Andreas Woess <andreas.woess@jku.at>
parents: 18362
diff changeset
441 }
12429
5124eeec1a7b split HotSpotRuntime into separate provider implementations
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
442 }