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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotConstantReflectionProvider.java @ 15909:e43591136d9f

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Support for compressed constants.
author Roland Schatz <roland.schatz@oracle.com>
date Mon, 26 May 2014 16:09:53 +0200
parents 471e28b8f03b
children b1be2a46cc5c
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1 /*
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2 * Copyright (c) 2011, 2012, 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.meta;
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24
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25 import static com.oracle.graal.compiler.common.UnsafeAccess.*;
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26 import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*;
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27
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28 import java.lang.reflect.*;
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29
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30 import com.oracle.graal.api.meta.*;
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31 import com.oracle.graal.compiler.common.*;
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32 import com.oracle.graal.hotspot.*;
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33
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34 /**
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35 * HotSpot implementation of {@link ConstantReflectionProvider}.
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36 */
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37 public class HotSpotConstantReflectionProvider implements ConstantReflectionProvider {
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38
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39 protected final HotSpotGraalRuntime runtime;
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40
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41 public HotSpotConstantReflectionProvider(HotSpotGraalRuntime runtime) {
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42 this.runtime = runtime;
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43 }
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44
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45 @Override
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46 public Boolean constantEquals(Constant x, Constant y) {
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47 return x.equals(y);
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48 }
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49
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50 @Override
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51 public Integer readArrayLength(Constant array) {
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52 if (array.getKind() != Kind.Object || array.isNull() || !HotSpotObjectConstant.asObject(array).getClass().isArray()) {
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53 return null;
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54 }
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55 return Array.getLength(HotSpotObjectConstant.asObject(array));
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56 }
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57
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58 @Override
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59 public Constant readUnsafeConstant(Kind kind, Constant baseConstant, long initialDisplacement) {
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60 Object base;
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61 long displacement;
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62 if (baseConstant.getKind() == Kind.Object) {
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63 base = HotSpotObjectConstant.asObject(baseConstant);
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64 displacement = initialDisplacement;
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65 if (base == null) {
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66 return null;
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67 }
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68 } else if (baseConstant.getKind().isNumericInteger()) {
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69 long baseLong = baseConstant.asLong();
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70 if (baseLong == 0L) {
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71 return null;
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72 }
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73 displacement = initialDisplacement + baseLong;
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74 base = null;
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75 } else {
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76 throw GraalInternalError.shouldNotReachHere();
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77 }
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78
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79 switch (kind) {
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80 case Boolean:
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81 return Constant.forBoolean(base == null ? unsafe.getByte(displacement) != 0 : unsafe.getBoolean(base, displacement));
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82 case Byte:
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83 return Constant.forByte(base == null ? unsafe.getByte(displacement) : unsafe.getByte(base, displacement));
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84 case Char:
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85 return Constant.forChar(base == null ? unsafe.getChar(displacement) : unsafe.getChar(base, displacement));
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86 case Short:
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87 return Constant.forShort(base == null ? unsafe.getShort(displacement) : unsafe.getShort(base, displacement));
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88 case Int:
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89 return Constant.forInt(base == null ? unsafe.getInt(displacement) : unsafe.getInt(base, displacement));
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90 case Long:
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91 if (displacement == config().hubOffset && runtime.getConfig().useCompressedClassPointers) {
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92 if (base == null) {
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93 throw new GraalInternalError("Base of object must not be null");
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94 } else {
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95 return Constant.forLong(runtime.getCompilerToVM().readUnsafeKlassPointer(base));
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96 }
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97 } else {
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98 return Constant.forLong(base == null ? unsafe.getLong(displacement) : unsafe.getLong(base, displacement));
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99 }
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100 case Float:
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101 return Constant.forFloat(base == null ? unsafe.getFloat(displacement) : unsafe.getFloat(base, displacement));
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102 case Double:
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103 return Constant.forDouble(base == null ? unsafe.getDouble(displacement) : unsafe.getDouble(base, displacement));
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104 case Object: {
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105 Object o = null;
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106 if (baseConstant.getKind() == Kind.Object) {
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107 o = unsafe.getObject(base, displacement);
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108 } else if (baseConstant instanceof HotSpotMetaspaceConstant) {
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109 Object metaspaceObject = HotSpotMetaspaceConstant.getMetaspaceObject(baseConstant);
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110 if (metaspaceObject instanceof HotSpotResolvedObjectType && initialDisplacement == runtime.getConfig().classMirrorOffset) {
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111 o = ((HotSpotResolvedObjectType) metaspaceObject).mirror();
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112 } else {
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113 throw GraalInternalError.shouldNotReachHere();
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114 }
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115 } else {
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116 throw GraalInternalError.shouldNotReachHere();
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117 }
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118 return HotSpotObjectConstant.forObject(o);
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119 }
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120 default:
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121 throw GraalInternalError.shouldNotReachHere();
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122 }
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123 }
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124
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125 @Override
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126 public Constant readRawConstant(Kind kind, Constant baseConstant, long initialDisplacement, int bits) {
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127 Object base;
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128 long displacement;
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129 if (baseConstant.getKind() == Kind.Object) {
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130 base = HotSpotObjectConstant.asObject(baseConstant);
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131 displacement = initialDisplacement;
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132 if (base == null) {
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133 return null;
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134 }
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135 } else if (baseConstant.getKind().isNumericInteger()) {
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136 long baseLong = baseConstant.asLong();
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Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
137 if (baseLong == 0L) {
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
138 return null;
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
139 }
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
140 displacement = initialDisplacement + baseLong;
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
141 base = null;
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
142 } else {
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
143 throw GraalInternalError.shouldNotReachHere();
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
144 }
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
145
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
146 long rawValue;
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
147 switch (bits) {
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
148 case 8:
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
149 rawValue = base == null ? unsafe.getByte(displacement) : unsafe.getByte(base, displacement);
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
150 break;
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
151 case 16:
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
152 rawValue = base == null ? unsafe.getShort(displacement) : unsafe.getShort(base, displacement);
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
153 break;
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
154 case 32:
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
155 rawValue = base == null ? unsafe.getInt(displacement) : unsafe.getInt(base, displacement);
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
156 break;
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
157 case 64:
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
158 rawValue = base == null ? unsafe.getLong(displacement) : unsafe.getLong(base, displacement);
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
159 break;
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
160 default:
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
161 throw GraalInternalError.shouldNotReachHere();
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
162 }
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
163
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
164 if (base != null && displacement == config().hubOffset) {
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
165 if (config().useCompressedClassPointers) {
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
166 assert bits == 32 && kind == Kind.Int;
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
167 long klassPointer = config().getKlassEncoding().uncompress((int) rawValue);
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
168 assert klassPointer == runtime.getCompilerToVM().readUnsafeKlassPointer(base);
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
169 return HotSpotMetaspaceConstant.forMetaspaceObject(kind, rawValue, HotSpotResolvedObjectType.fromMetaspaceKlass(klassPointer));
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
170 } else {
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
171 assert bits == 64 && kind == Kind.Long;
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
172 return HotSpotMetaspaceConstant.forMetaspaceObject(kind, rawValue, HotSpotResolvedObjectType.fromMetaspaceKlass(rawValue));
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
173 }
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
174 } else {
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
175 switch (kind) {
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Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
176 case Int:
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
177 return Constant.forInt((int) rawValue);
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
178 case Long:
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
179 return Constant.forLong(rawValue);
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
180 case Float:
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
181 return Constant.forFloat(Float.intBitsToFloat((int) rawValue));
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
182 case Double:
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
183 return Constant.forDouble(Double.longBitsToDouble(rawValue));
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
184 default:
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
185 throw GraalInternalError.shouldNotReachHere();
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
186 }
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
187 }
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
188 }
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
189
652564fe42d5 Use CompressionNode for accessing compressed Klass pointers.
Roland Schatz <roland.schatz@oracle.com>
parents: 15018
diff changeset
190 @Override
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
191 public Constant readArrayElement(Constant array, int index) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
192 if (array.getKind() != Kind.Object || array.isNull()) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
193 return null;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
194 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
195 Object a = HotSpotObjectConstant.asObject(array);
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
196
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
197 if (index < 0 || index >= Array.getLength(a)) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
198 return null;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
199 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
200
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
201 if (a instanceof Object[]) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
202 return HotSpotObjectConstant.forObject(((Object[]) a)[index]);
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
203 } else {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
204 return Constant.forBoxedPrimitive(Array.get(a, index));
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
205 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
206 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
207
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
208 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
209 public Constant boxPrimitive(Constant source) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
210 if (!source.getKind().isPrimitive()) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
211 return null;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
212 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
213 return HotSpotObjectConstant.forObject(source.asBoxedPrimitive());
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
214 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
215
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
216 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
217 public Constant unboxPrimitive(Constant source) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
218 if (!source.getKind().isObject()) {
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
219 return null;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
220 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
221 return Constant.forBoxedPrimitive(HotSpotObjectConstant.asObject(source));
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
222 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
223
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
224 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
225 public ResolvedJavaType asJavaType(Constant constant) {
15909
e43591136d9f Support for compressed constants.
Roland Schatz <roland.schatz@oracle.com>
parents: 15291
diff changeset
226 if (constant instanceof HotSpotObjectConstant) {
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
227 Object obj = HotSpotObjectConstant.asObject(constant);
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
228 if (obj instanceof Class) {
15040
288c23143d47 Fix most raw type references.
Josef Eisl <josef.eisl@jku.at>
parents: 15023
diff changeset
229 return runtime.getHostProviders().getMetaAccess().lookupJavaType((Class<?>) obj);
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
230 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
231 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
232 return null;
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents: 13488
diff changeset
233 }
12429
5124eeec1a7b split HotSpotRuntime into separate provider implementations
Doug Simon <doug.simon@oracle.com>
parents:
diff changeset
234 }