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annotate graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotConstantPool.java @ 21696:ca140f8c35be
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author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 03 Jun 2015 14:08:29 +0200 |
parents | 48c1ebd24120 |
children | a59a0c85650a |
rev | line source |
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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.jvmci.hotspot; |
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24 |
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25 import static com.oracle.jvmci.common.UnsafeAccess.*; |
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26 import static com.oracle.jvmci.hotspot.HotSpotJVMCIRuntime.*; |
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27 |
14093 | 28 import java.lang.invoke.*; |
29 | |
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30 import com.oracle.jvmci.common.*; |
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31 import com.oracle.jvmci.meta.*; |
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32 |
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33 /** |
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34 * Implementation of {@link ConstantPool} for HotSpot. |
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35 */ |
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36 public class HotSpotConstantPool implements ConstantPool, HotSpotProxified { |
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37 |
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38 /** |
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39 * Subset of JVM bytecode opcodes used by {@link HotSpotConstantPool}. |
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40 */ |
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41 static class Bytecodes { |
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42 public static final int LDC = 18; // 0x12 |
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43 public static final int LDC_W = 19; // 0x13 |
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44 public static final int LDC2_W = 20; // 0x14 |
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45 public static final int GETSTATIC = 178; // 0xB2 |
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46 public static final int PUTSTATIC = 179; // 0xB3 |
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47 public static final int GETFIELD = 180; // 0xB4 |
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48 public static final int PUTFIELD = 181; // 0xB5 |
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49 public static final int INVOKEVIRTUAL = 182; // 0xB6 |
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50 public static final int INVOKESPECIAL = 183; // 0xB7 |
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51 public static final int INVOKESTATIC = 184; // 0xB8 |
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52 public static final int INVOKEINTERFACE = 185; // 0xB9 |
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53 public static final int INVOKEDYNAMIC = 186; // 0xBA |
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54 public static final int NEW = 187; // 0xBB |
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55 public static final int NEWARRAY = 188; // 0xBC |
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56 public static final int ANEWARRAY = 189; // 0xBD |
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57 public static final int CHECKCAST = 192; // 0xC0 |
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58 public static final int INSTANCEOF = 193; // 0xC1 |
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59 public static final int MULTIANEWARRAY = 197; // 0xC5 |
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60 |
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61 static boolean isInvoke(int opcode) { |
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62 switch (opcode) { |
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63 case INVOKEVIRTUAL: |
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64 case INVOKESPECIAL: |
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65 case INVOKESTATIC: |
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66 case INVOKEINTERFACE: |
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67 case INVOKEDYNAMIC: |
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68 return true; |
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69 default: |
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70 return false; |
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71 } |
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72 } |
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73 } |
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74 |
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75 /** |
14529 | 76 * Enum of all {@code JVM_CONSTANT} constants used in the VM. This includes the public and |
77 * internal ones. | |
78 */ | |
79 private enum JVM_CONSTANT { | |
80 // @formatter:off | |
81 Utf8(config().jvmConstantUtf8), | |
82 Integer(config().jvmConstantInteger), | |
83 Long(config().jvmConstantLong), | |
84 Float(config().jvmConstantFloat), | |
85 Double(config().jvmConstantDouble), | |
86 Class(config().jvmConstantClass), | |
87 UnresolvedClass(config().jvmConstantUnresolvedClass), | |
88 UnresolvedClassInError(config().jvmConstantUnresolvedClassInError), | |
89 String(config().jvmConstantString), | |
90 Fieldref(config().jvmConstantFieldref), | |
91 MethodRef(config().jvmConstantMethodref), | |
92 InterfaceMethodref(config().jvmConstantInterfaceMethodref), | |
93 NameAndType(config().jvmConstantNameAndType), | |
94 MethodHandle(config().jvmConstantMethodHandle), | |
95 MethodHandleInError(config().jvmConstantMethodHandleInError), | |
96 MethodType(config().jvmConstantMethodType), | |
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97 MethodTypeInError(config().jvmConstantMethodTypeInError), |
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98 InvokeDynamic(config().jvmConstantInvokeDynamic); |
14529 | 99 // @formatter:on |
100 | |
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101 private final int tag; |
14529 | 102 |
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103 private static final int ExternalMax = config().jvmConstantExternalMax; |
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104 private static final int InternalMin = config().jvmConstantInternalMin; |
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105 private static final int InternalMax = config().jvmConstantInternalMax; |
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106 |
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107 private JVM_CONSTANT(int tag) { |
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108 this.tag = tag; |
14529 | 109 } |
110 | |
111 private static HotSpotVMConfig config() { | |
112 return runtime().getConfig(); | |
113 } | |
114 | |
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115 /** |
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116 * Maps JVM_CONSTANT tags to {@link JVM_CONSTANT} values. Using a separate class for lazy |
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117 * initialization. |
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118 */ |
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119 static class TagValueMap { |
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120 private static final JVM_CONSTANT[] table = new JVM_CONSTANT[ExternalMax + 1 + (InternalMax - InternalMin) + 1]; |
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121 static { |
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122 assert InternalMin > ExternalMax; |
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123 for (JVM_CONSTANT e : values()) { |
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124 table[indexOf(e.tag)] = e; |
14529 | 125 } |
126 } | |
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127 |
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128 private static int indexOf(int tag) { |
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129 if (tag >= InternalMin) { |
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130 return tag - InternalMin + ExternalMax + 1; |
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131 } else { |
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132 assert tag <= ExternalMax; |
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133 } |
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134 return tag; |
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135 } |
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136 |
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137 static JVM_CONSTANT get(int tag) { |
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138 JVM_CONSTANT res = table[indexOf(tag)]; |
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139 if (res != null) { |
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140 return res; |
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141 } |
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142 throw new JVMCIError("Unknown JVM_CONSTANT tag %s", tag); |
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143 } |
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144 } |
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145 |
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146 public static JVM_CONSTANT getEnum(int tag) { |
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147 return TagValueMap.get(tag); |
14529 | 148 } |
149 } | |
150 | |
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151 private static class LookupTypeCacheElement { |
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152 int lastCpi = Integer.MIN_VALUE; |
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153 JavaType javaType; |
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154 |
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155 public LookupTypeCacheElement(int lastCpi, JavaType javaType) { |
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156 super(); |
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157 this.lastCpi = lastCpi; |
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158 this.javaType = javaType; |
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159 } |
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160 } |
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161 |
14529 | 162 /** |
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163 * Reference to the C++ ConstantPool object. |
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164 */ |
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165 private final long metaspaceConstantPool; |
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166 private final Object[] cache; |
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167 private volatile LookupTypeCacheElement lastLookupType; |
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168 |
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169 public HotSpotConstantPool(long metaspaceConstantPool) { |
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170 this.metaspaceConstantPool = metaspaceConstantPool; |
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171 cache = new Object[length()]; |
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172 } |
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173 |
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174 /** |
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175 * Gets the holder for this constant pool as {@link HotSpotResolvedObjectTypeImpl}. |
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176 * |
14093 | 177 * @return holder for this constant pool |
178 */ | |
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179 private HotSpotResolvedObjectType getHolder() { |
14093 | 180 final long metaspaceKlass = unsafe.getAddress(metaspaceConstantPool + runtime().getConfig().constantPoolHolderOffset); |
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181 return HotSpotResolvedObjectTypeImpl.fromMetaspaceKlass(metaspaceKlass); |
14093 | 182 } |
183 | |
184 /** | |
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185 * Converts a raw index from the bytecodes to a constant pool index by adding a |
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186 * {@link HotSpotVMConfig#constantPoolCpCacheIndexTag constant}. |
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187 * |
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188 * @param rawIndex index from the bytecode |
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189 * @param opcode bytecode to convert the index for |
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190 * @return constant pool index |
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191 */ |
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192 private static int toConstantPoolIndex(int rawIndex, int opcode) { |
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193 int index; |
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194 if (opcode == Bytecodes.INVOKEDYNAMIC) { |
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195 index = rawIndex; |
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196 // See: ConstantPool::is_invokedynamic_index |
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197 assert index < 0 : "not an invokedynamic constant pool index " + index; |
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198 } else { |
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199 assert opcode == Bytecodes.GETFIELD || opcode == Bytecodes.PUTFIELD || opcode == Bytecodes.GETSTATIC || opcode == Bytecodes.PUTSTATIC || opcode == Bytecodes.INVOKEINTERFACE || |
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200 opcode == Bytecodes.INVOKEVIRTUAL || opcode == Bytecodes.INVOKESPECIAL || opcode == Bytecodes.INVOKESTATIC : "unexpected invoke opcode " + opcode; |
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201 index = rawIndex + runtime().getConfig().constantPoolCpCacheIndexTag; |
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202 } |
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203 return index; |
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204 } |
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205 |
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206 /** |
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207 * Decode a constant pool cache index to a constant pool index. |
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208 * |
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209 * See {@code ConstantPool::decode_cpcache_index}. |
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210 * |
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211 * @param index constant pool cache index |
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212 * @return decoded index |
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213 */ |
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214 private static int decodeConstantPoolCacheIndex(int index) { |
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215 if (isInvokedynamicIndex(index)) { |
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216 return decodeInvokedynamicIndex(index); |
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217 } else { |
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218 return index - runtime().getConfig().constantPoolCpCacheIndexTag; |
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219 } |
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220 } |
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221 |
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222 /** |
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223 * See {@code ConstantPool::is_invokedynamic_index}. |
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224 */ |
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225 private static boolean isInvokedynamicIndex(int index) { |
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226 return index < 0; |
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227 } |
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228 |
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229 /** |
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230 * See {@code ConstantPool::decode_invokedynamic_index}. |
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231 */ |
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232 private static int decodeInvokedynamicIndex(int i) { |
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233 assert isInvokedynamicIndex(i) : i; |
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234 return ~i; |
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235 } |
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236 |
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237 /** |
14093 | 238 * Gets the constant pool tag at index {@code index}. |
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239 * |
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240 * @param index constant pool index |
14093 | 241 * @return constant pool tag |
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242 */ |
14529 | 243 private JVM_CONSTANT getTagAt(int index) { |
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244 assertBounds(index); |
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245 HotSpotVMConfig config = runtime().getConfig(); |
14529 | 246 final long metaspaceConstantPoolTags = unsafe.getAddress(metaspaceConstantPool + config.constantPoolTagsOffset); |
247 final int tag = unsafe.getByteVolatile(null, metaspaceConstantPoolTags + config.arrayU1DataOffset + index); | |
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248 if (tag == 0) { |
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249 return null; |
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250 } |
14529 | 251 return JVM_CONSTANT.getEnum(tag); |
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252 } |
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253 |
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254 /** |
14093 | 255 * Gets the constant pool entry at index {@code index}. |
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256 * |
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257 * @param index constant pool index |
14093 | 258 * @return constant pool entry |
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259 */ |
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260 private long getEntryAt(int index) { |
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261 assertBounds(index); |
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262 return unsafe.getAddress(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getHostJVMCIBackend().getTarget().wordSize); |
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263 } |
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264 |
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265 /** |
14093 | 266 * Gets the integer constant pool entry at index {@code index}. |
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267 * |
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268 * @param index constant pool index |
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269 * @return integer constant pool entry at index |
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270 */ |
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271 private int getIntAt(int index) { |
14529 | 272 assertTag(index, JVM_CONSTANT.Integer); |
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273 return unsafe.getInt(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getHostJVMCIBackend().getTarget().wordSize); |
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274 } |
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275 |
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276 /** |
14093 | 277 * Gets the long constant pool entry at index {@code index}. |
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278 * |
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279 * @param index constant pool index |
14093 | 280 * @return long constant pool entry |
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281 */ |
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282 private long getLongAt(int index) { |
14529 | 283 assertTag(index, JVM_CONSTANT.Long); |
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284 return unsafe.getLong(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getHostJVMCIBackend().getTarget().wordSize); |
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285 } |
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286 |
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287 /** |
14093 | 288 * Gets the float constant pool entry at index {@code index}. |
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289 * |
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290 * @param index constant pool index |
14093 | 291 * @return float constant pool entry |
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292 */ |
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293 private float getFloatAt(int index) { |
14529 | 294 assertTag(index, JVM_CONSTANT.Float); |
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295 return unsafe.getFloat(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getHostJVMCIBackend().getTarget().wordSize); |
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296 } |
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297 |
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298 /** |
14093 | 299 * Gets the double constant pool entry at index {@code index}. |
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300 * |
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301 * @param index constant pool index |
14093 | 302 * @return float constant pool entry |
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303 */ |
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304 private double getDoubleAt(int index) { |
14529 | 305 assertTag(index, JVM_CONSTANT.Double); |
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306 return unsafe.getDouble(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getHostJVMCIBackend().getTarget().wordSize); |
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307 } |
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308 |
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309 /** |
14093 | 310 * Gets the {@code JVM_CONSTANT_NameAndType} constant pool entry at index {@code index}. |
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311 * |
14093 | 312 * @param index constant pool index |
313 * @return {@code JVM_CONSTANT_NameAndType} constant pool entry | |
314 */ | |
315 private int getNameAndTypeAt(int index) { | |
14529 | 316 assertTag(index, JVM_CONSTANT.NameAndType); |
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317 return unsafe.getInt(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getHostJVMCIBackend().getTarget().wordSize); |
14093 | 318 } |
319 | |
320 /** | |
321 * Gets the {@code JVM_CONSTANT_NameAndType} reference index constant pool entry at index | |
322 * {@code index}. | |
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323 * |
14093 | 324 * @param index constant pool index |
325 * @return {@code JVM_CONSTANT_NameAndType} reference constant pool entry | |
326 */ | |
327 private int getNameAndTypeRefIndexAt(int index) { | |
328 return runtime().getCompilerToVM().lookupNameAndTypeRefIndexInPool(metaspaceConstantPool, index); | |
329 } | |
330 | |
331 /** | |
332 * Gets the name of a {@code JVM_CONSTANT_NameAndType} constant pool entry at index | |
333 * {@code index}. | |
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334 * |
14093 | 335 * @param index constant pool index |
336 * @return name as {@link String} | |
337 */ | |
338 private String getNameRefAt(int index) { | |
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339 return runtime().getCompilerToVM().lookupNameRefInPool(metaspaceConstantPool, index); |
14093 | 340 } |
341 | |
342 /** | |
343 * Gets the name reference index of a {@code JVM_CONSTANT_NameAndType} constant pool entry at | |
344 * index {@code index}. | |
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345 * |
14093 | 346 * @param index constant pool index |
347 * @return name reference index | |
348 */ | |
349 private int getNameRefIndexAt(int index) { | |
350 final int refIndex = getNameAndTypeAt(index); | |
351 // name ref index is in the low 16-bits. | |
352 return refIndex & 0xFFFF; | |
353 } | |
354 | |
355 /** | |
356 * Gets the signature of a {@code JVM_CONSTANT_NameAndType} constant pool entry at index | |
357 * {@code index}. | |
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358 * |
14093 | 359 * @param index constant pool index |
360 * @return signature as {@link String} | |
361 */ | |
362 private String getSignatureRefAt(int index) { | |
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363 return runtime().getCompilerToVM().lookupSignatureRefInPool(metaspaceConstantPool, index); |
14093 | 364 } |
365 | |
366 /** | |
367 * Gets the signature reference index of a {@code JVM_CONSTANT_NameAndType} constant pool entry | |
368 * at index {@code index}. | |
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369 * |
14093 | 370 * @param index constant pool index |
371 * @return signature reference index | |
372 */ | |
373 private int getSignatureRefIndexAt(int index) { | |
374 final int refIndex = getNameAndTypeAt(index); | |
375 // signature ref index is in the high 16-bits. | |
376 return refIndex >>> 16; | |
377 } | |
378 | |
379 /** | |
380 * Gets the klass reference index constant pool entry at index {@code index}. | |
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381 * |
14093 | 382 * @param index constant pool index |
383 * @return klass reference index | |
384 */ | |
385 private int getKlassRefIndexAt(int index) { | |
386 return runtime().getCompilerToVM().lookupKlassRefIndexInPool(metaspaceConstantPool, index); | |
387 } | |
388 | |
389 /** | |
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390 * Gets the uncached klass reference index constant pool entry at index {@code index}. See: |
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391 * {@code ConstantPool::uncached_klass_ref_index_at}. |
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392 * |
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393 * @param index constant pool index |
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394 * @return klass reference index |
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395 */ |
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396 private int getUncachedKlassRefIndexAt(int index) { |
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397 assert getTagAt(index) == JVM_CONSTANT.Fieldref || getTagAt(index) == JVM_CONSTANT.MethodRef || getTagAt(index) == JVM_CONSTANT.InterfaceMethodref; |
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398 final int refIndex = unsafe.getInt(metaspaceConstantPool + runtime().getConfig().constantPoolSize + index * runtime().getHostJVMCIBackend().getTarget().wordSize); |
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399 // klass ref index is in the low 16-bits. |
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400 return refIndex & 0xFFFF; |
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401 } |
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402 |
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403 /** |
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404 * Asserts that the constant pool index {@code index} is in the bounds of the constant pool. |
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405 * |
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406 * @param index constant pool index |
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407 */ |
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408 private void assertBounds(int index) { |
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409 assert 0 <= index && index < length() : "index " + index + " not between 0 and " + length(); |
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410 } |
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411 |
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412 /** |
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413 * Asserts that the constant pool tag at index {@code index} is equal to {@code tag}. |
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414 * |
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415 * @param index constant pool index |
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416 * @param tag expected tag |
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417 */ |
14529 | 418 private void assertTag(int index, JVM_CONSTANT tag) { |
419 assert getTagAt(index) == tag : "constant pool tag at index " + index + " is " + getTagAt(index) + " but expected " + tag; | |
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420 } |
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421 |
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422 @Override |
9108 | 423 public int length() { |
14529 | 424 return unsafe.getInt(metaspaceConstantPool + runtime().getConfig().constantPoolLengthOffset); |
9108 | 425 } |
426 | |
427 @Override | |
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428 public Object lookupConstant(int cpi) { |
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429 assert cpi != 0; |
14529 | 430 final JVM_CONSTANT tag = getTagAt(cpi); |
431 switch (tag) { | |
432 case Integer: | |
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433 return JavaConstant.forInt(getIntAt(cpi)); |
14529 | 434 case Long: |
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435 return JavaConstant.forLong(getLongAt(cpi)); |
14529 | 436 case Float: |
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437 return JavaConstant.forFloat(getFloatAt(cpi)); |
14529 | 438 case Double: |
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439 return JavaConstant.forDouble(getDoubleAt(cpi)); |
14529 | 440 case Class: |
441 case UnresolvedClass: | |
442 case UnresolvedClassInError: | |
443 final int opcode = -1; // opcode is not used | |
444 return lookupType(cpi, opcode); | |
445 case String: | |
446 Object string = runtime().getCompilerToVM().resolvePossiblyCachedConstantInPool(metaspaceConstantPool, cpi); | |
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447 return HotSpotObjectConstantImpl.forObject(string); |
14529 | 448 case MethodHandle: |
449 case MethodHandleInError: | |
450 case MethodType: | |
451 case MethodTypeInError: | |
452 Object obj = runtime().getCompilerToVM().resolveConstantInPool(metaspaceConstantPool, cpi); | |
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453 return HotSpotObjectConstantImpl.forObject(obj); |
14529 | 454 default: |
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455 throw new JVMCIError("Unknown constant pool tag %s", tag); |
13254
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Teach Graal about Symbol and ConstantPool so we can move more logic into Java. We'll see how that ends...
twisti
parents:
12559
diff
changeset
|
456 } |
42aaf7306707
Teach Graal about Symbol and ConstantPool so we can move more logic into Java. We'll see how that ends...
twisti
parents:
12559
diff
changeset
|
457 } |
42aaf7306707
Teach Graal about Symbol and ConstantPool so we can move more logic into Java. We'll see how that ends...
twisti
parents:
12559
diff
changeset
|
458 |
42aaf7306707
Teach Graal about Symbol and ConstantPool so we can move more logic into Java. We'll see how that ends...
twisti
parents:
12559
diff
changeset
|
459 @Override |
42aaf7306707
Teach Graal about Symbol and ConstantPool so we can move more logic into Java. We'll see how that ends...
twisti
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changeset
|
460 public String lookupUtf8(int cpi) { |
14529 | 461 assertTag(cpi, JVM_CONSTANT.Utf8); |
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462 return runtime().getCompilerToVM().getSymbol(getEntryAt(cpi)); |
3733
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
463 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
464 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
465 @Override |
5541
b4c406861c33
More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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changeset
|
466 public Signature lookupSignature(int cpi) { |
18542
21384a8fbb64
removed static accesses to HotSpotGraalRuntime from some HotSpot meta API classes
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parents:
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changeset
|
467 return new HotSpotSignature(runtime(), lookupUtf8(cpi)); |
3733
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parents:
diff
changeset
|
468 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
469 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
470 @Override |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
18167
diff
changeset
|
471 public JavaConstant lookupAppendix(int cpi, int opcode) { |
9011
23762f2438b6
support for compiling LambdaForm invocations (invokevirtual instructions that were rewritten to invokehandle instructions)
Doug Simon <doug.simon@oracle.com>
parents:
8945
diff
changeset
|
472 assert Bytecodes.isInvoke(opcode); |
14052
361acb279104
moved to-constant-pool-index conversion up to Java
twisti
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13261
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473 final int index = toConstantPoolIndex(cpi, opcode); |
15018
db4254246f9a
Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
14979
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474 Object result = runtime().getCompilerToVM().lookupAppendixInPool(metaspaceConstantPool, index); |
db4254246f9a
Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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parents:
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changeset
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475 if (result == null) { |
db4254246f9a
Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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parents:
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476 return null; |
db4254246f9a
Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
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parents:
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diff
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477 } else { |
18262
f7d45e2426d4
converted HotSpotObjectConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents:
18223
diff
changeset
|
478 return HotSpotObjectConstantImpl.forObject(result); |
15018
db4254246f9a
Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
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|
479 } |
8945
7ef66078d837
add basic invokedynamic support
Andreas Woess <andreas.woess@jku.at>
parents:
7084
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changeset
|
480 } |
7ef66078d837
add basic invokedynamic support
Andreas Woess <andreas.woess@jku.at>
parents:
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changeset
|
481 |
14069
2f37b0e442fe
removed remaining VMToCompiler calls for allocating Graal API objects
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
482 /** |
14093 | 483 * Gets a {@link JavaType} corresponding a given metaspace Klass or a metaspace Symbol depending |
484 * on the {@link HotSpotVMConfig#compilerToVMKlassTag tag}. | |
14979
5dfaaa91be37
fixed com.oracle.graal.hotspot.meta.HotSpotConstantPool.loadReferencedType(int, int) for invokedynamic
twisti
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485 * |
14093 | 486 * @param metaspacePointer either a metaspace Klass or a metaspace Symbol |
14069
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parents:
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487 */ |
14093 | 488 private static JavaType getJavaType(final long metaspacePointer) { |
21552
9579a3c62a9e
use skeleton findbugs jar containing only SuppresFBWarnings to avoid external dependency for JVMCI classes (JBS:GRAAL-53)
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parents:
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changeset
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489 HotSpotJVMCIRuntime runtime = runtime(); |
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490 HotSpotVMConfig config = runtime.getConfig(); |
14093 | 491 if ((metaspacePointer & config.compilerToVMSymbolTag) != 0) { |
492 final long metaspaceSymbol = metaspacePointer & ~config.compilerToVMSymbolTag; | |
15968
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493 String name = runtime.getCompilerToVM().getSymbol(metaspaceSymbol); |
18542
21384a8fbb64
removed static accesses to HotSpotGraalRuntime from some HotSpot meta API classes
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parents:
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494 return HotSpotUnresolvedJavaType.create(runtime(), "L" + name + ";"); |
14069
2f37b0e442fe
removed remaining VMToCompiler calls for allocating Graal API objects
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parents:
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|
495 } else { |
14093 | 496 assert (metaspacePointer & config.compilerToVMKlassTag) == 0; |
18223
17c98fad6980
converted HotSpotResolvedObjectType to an interface
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parents:
18222
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changeset
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497 return HotSpotResolvedObjectTypeImpl.fromMetaspaceKlass(metaspacePointer); |
14069
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removed remaining VMToCompiler calls for allocating Graal API objects
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parents:
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498 } |
2f37b0e442fe
removed remaining VMToCompiler calls for allocating Graal API objects
Doug Simon <doug.simon@oracle.com>
parents:
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diff
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|
499 } |
2f37b0e442fe
removed remaining VMToCompiler calls for allocating Graal API objects
Doug Simon <doug.simon@oracle.com>
parents:
14052
diff
changeset
|
500 |
8945
7ef66078d837
add basic invokedynamic support
Andreas Woess <andreas.woess@jku.at>
parents:
7084
diff
changeset
|
501 @Override |
6588
b89b5038ad7e
removed _'s from method names in CompilerToVM
Doug Simon <doug.simon@oracle.com>
parents:
5775
diff
changeset
|
502 public JavaMethod lookupMethod(int cpi, int opcode) { |
19377
2ff3a30501da
Prototype caching in HotSpotConstantPool.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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changeset
|
503 if (opcode != Bytecodes.INVOKEDYNAMIC) { |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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|
504 Object result = cache[cpi]; |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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changeset
|
505 if (result != null) { |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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parents:
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|
506 return (ResolvedJavaMethod) result; |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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507 } |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
18867
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changeset
|
508 } |
14052
361acb279104
moved to-constant-pool-index conversion up to Java
twisti
parents:
13261
diff
changeset
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509 final int index = toConstantPoolIndex(cpi, opcode); |
14093 | 510 final long metaspaceMethod = runtime().getCompilerToVM().lookupMethodInPool(metaspaceConstantPool, index, (byte) opcode); |
14069
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removed remaining VMToCompiler calls for allocating Graal API objects
Doug Simon <doug.simon@oracle.com>
parents:
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changeset
|
511 if (metaspaceMethod != 0L) { |
19377
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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parents:
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changeset
|
512 HotSpotResolvedJavaMethod result = HotSpotResolvedJavaMethodImpl.fromMetaspace(metaspaceMethod); |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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parents:
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changeset
|
513 if (opcode != Bytecodes.INVOKEDYNAMIC) { |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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parents:
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changeset
|
514 cache[cpi] = result; |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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parents:
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|
515 } |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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parents:
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changeset
|
516 return result; |
14069
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removed remaining VMToCompiler calls for allocating Graal API objects
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parents:
14052
diff
changeset
|
517 } else { |
14093 | 518 // Get the method's name and signature. |
519 String name = getNameRefAt(index); | |
18542
21384a8fbb64
removed static accesses to HotSpotGraalRuntime from some HotSpot meta API classes
Doug Simon <doug.simon@oracle.com>
parents:
18530
diff
changeset
|
520 HotSpotSignature signature = new HotSpotSignature(runtime(), getSignatureRefAt(index)); |
14093 | 521 if (opcode == Bytecodes.INVOKEDYNAMIC) { |
18542
21384a8fbb64
removed static accesses to HotSpotGraalRuntime from some HotSpot meta API classes
Doug Simon <doug.simon@oracle.com>
parents:
18530
diff
changeset
|
522 HotSpotResolvedObjectType holder = HotSpotResolvedObjectTypeImpl.fromObjectClass(MethodHandle.class); |
14093 | 523 return new HotSpotMethodUnresolved(name, signature, holder); |
524 } else { | |
525 final int klassIndex = getKlassRefIndexAt(index); | |
526 final long metaspacePointer = runtime().getCompilerToVM().lookupKlassInPool(metaspaceConstantPool, klassIndex); | |
527 JavaType holder = getJavaType(metaspacePointer); | |
528 return new HotSpotMethodUnresolved(name, signature, holder); | |
529 } | |
14069
2f37b0e442fe
removed remaining VMToCompiler calls for allocating Graal API objects
Doug Simon <doug.simon@oracle.com>
parents:
14052
diff
changeset
|
530 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
531 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
532 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
533 @Override |
5541
b4c406861c33
More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5534
diff
changeset
|
534 public JavaType lookupType(int cpi, int opcode) { |
21252
39ee26e85256
Use boxed cache in HotSpotConstantpool instead of synchronization
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
21215
diff
changeset
|
535 final LookupTypeCacheElement elem = this.lastLookupType; |
39ee26e85256
Use boxed cache in HotSpotConstantpool instead of synchronization
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
21215
diff
changeset
|
536 if (elem != null && elem.lastCpi == cpi) { |
39ee26e85256
Use boxed cache in HotSpotConstantpool instead of synchronization
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
21215
diff
changeset
|
537 return elem.javaType; |
39ee26e85256
Use boxed cache in HotSpotConstantpool instead of synchronization
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
21215
diff
changeset
|
538 } else { |
39ee26e85256
Use boxed cache in HotSpotConstantpool instead of synchronization
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
21215
diff
changeset
|
539 final long metaspacePointer = runtime().getCompilerToVM().lookupKlassInPool(metaspaceConstantPool, cpi); |
39ee26e85256
Use boxed cache in HotSpotConstantpool instead of synchronization
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
21215
diff
changeset
|
540 JavaType result = getJavaType(metaspacePointer); |
21431
90c55b9ad309
only put type in HotSpotConstantPool cache if it's resolved
Lukas Stadler <lukas.stadler@oracle.com>
parents:
21411
diff
changeset
|
541 if (result instanceof ResolvedJavaType) { |
90c55b9ad309
only put type in HotSpotConstantPool cache if it's resolved
Lukas Stadler <lukas.stadler@oracle.com>
parents:
21411
diff
changeset
|
542 this.lastLookupType = new LookupTypeCacheElement(cpi, result); |
90c55b9ad309
only put type in HotSpotConstantPool cache if it's resolved
Lukas Stadler <lukas.stadler@oracle.com>
parents:
21411
diff
changeset
|
543 } |
21252
39ee26e85256
Use boxed cache in HotSpotConstantpool instead of synchronization
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
21215
diff
changeset
|
544 return result; |
19377
2ff3a30501da
Prototype caching in HotSpotConstantPool.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
18867
diff
changeset
|
545 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
546 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
547 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
548 @Override |
5541
b4c406861c33
More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5534
diff
changeset
|
549 public JavaField lookupField(int cpi, int opcode) { |
19377
2ff3a30501da
Prototype caching in HotSpotConstantPool.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
18867
diff
changeset
|
550 Object resolvedJavaField = cache[cpi]; |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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parents:
18867
diff
changeset
|
551 if (resolvedJavaField != null) { |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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parents:
18867
diff
changeset
|
552 return (ResolvedJavaField) resolvedJavaField; |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
18867
diff
changeset
|
553 } |
14052
361acb279104
moved to-constant-pool-index conversion up to Java
twisti
parents:
13261
diff
changeset
|
554 final int index = toConstantPoolIndex(cpi, opcode); |
14093 | 555 final int nameAndTypeIndex = getNameAndTypeRefIndexAt(index); |
556 final int nameIndex = getNameRefIndexAt(nameAndTypeIndex); | |
557 String name = lookupUtf8(nameIndex); | |
558 final int typeIndex = getSignatureRefIndexAt(nameAndTypeIndex); | |
559 String typeName = lookupUtf8(typeIndex); | |
14117
2b2f0022900f
removed unnecessary lookupKlassByName method
Doug Simon <doug.simon@oracle.com>
parents:
14093
diff
changeset
|
560 JavaType type = runtime().lookupType(typeName, getHolder(), false); |
14093 | 561 |
562 final int holderIndex = getKlassRefIndexAt(index); | |
563 JavaType holder = lookupType(holderIndex, opcode); | |
564 | |
18223
17c98fad6980
converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents:
18222
diff
changeset
|
565 if (holder instanceof HotSpotResolvedObjectTypeImpl) { |
14093 | 566 long[] info = new long[2]; |
567 long metaspaceKlass; | |
568 try { | |
569 metaspaceKlass = runtime().getCompilerToVM().resolveField(metaspaceConstantPool, index, (byte) opcode, info); | |
570 } catch (Throwable t) { | |
571 /* | |
572 * If there was an exception resolving the field we give up and return an unresolved | |
573 * field. | |
574 */ | |
575 return new HotSpotUnresolvedField(holder, name, type); | |
576 } | |
18223
17c98fad6980
converted HotSpotResolvedObjectType to an interface
Doug Simon <doug.simon@oracle.com>
parents:
18222
diff
changeset
|
577 HotSpotResolvedObjectTypeImpl resolvedHolder = HotSpotResolvedObjectTypeImpl.fromMetaspaceKlass(metaspaceKlass); |
14093 | 578 final int flags = (int) info[0]; |
579 final long offset = info[1]; | |
19377
2ff3a30501da
Prototype caching in HotSpotConstantPool.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
18867
diff
changeset
|
580 HotSpotResolvedJavaField result = resolvedHolder.createField(name, type, offset, flags); |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
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parents:
18867
diff
changeset
|
581 if (type instanceof ResolvedJavaType) { |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
18867
diff
changeset
|
582 cache[cpi] = result; |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
18867
diff
changeset
|
583 } |
2ff3a30501da
Prototype caching in HotSpotConstantPool.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
18867
diff
changeset
|
584 return result; |
14069
2f37b0e442fe
removed remaining VMToCompiler calls for allocating Graal API objects
Doug Simon <doug.simon@oracle.com>
parents:
14052
diff
changeset
|
585 } else { |
2f37b0e442fe
removed remaining VMToCompiler calls for allocating Graal API objects
Doug Simon <doug.simon@oracle.com>
parents:
14052
diff
changeset
|
586 return new HotSpotUnresolvedField(holder, name, type); |
2f37b0e442fe
removed remaining VMToCompiler calls for allocating Graal API objects
Doug Simon <doug.simon@oracle.com>
parents:
14052
diff
changeset
|
587 } |
3733
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
588 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
589 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
590 @Override |
6588
b89b5038ad7e
removed _'s from method names in CompilerToVM
Doug Simon <doug.simon@oracle.com>
parents:
5775
diff
changeset
|
591 public void loadReferencedType(int cpi, int opcode) { |
14052
361acb279104
moved to-constant-pool-index conversion up to Java
twisti
parents:
13261
diff
changeset
|
592 int index; |
14093 | 593 switch (opcode) { |
594 case Bytecodes.CHECKCAST: | |
595 case Bytecodes.INSTANCEOF: | |
596 case Bytecodes.NEW: | |
597 case Bytecodes.ANEWARRAY: | |
598 case Bytecodes.MULTIANEWARRAY: | |
599 case Bytecodes.LDC: | |
600 case Bytecodes.LDC_W: | |
601 case Bytecodes.LDC2_W: | |
602 index = cpi; | |
603 break; | |
14979
5dfaaa91be37
fixed com.oracle.graal.hotspot.meta.HotSpotConstantPool.loadReferencedType(int, int) for invokedynamic
twisti
parents:
14530
diff
changeset
|
604 case Bytecodes.INVOKEDYNAMIC: |
5dfaaa91be37
fixed com.oracle.graal.hotspot.meta.HotSpotConstantPool.loadReferencedType(int, int) for invokedynamic
twisti
parents:
14530
diff
changeset
|
605 // invokedynamic instructions point to a constant pool cache entry. |
15205
affef8631cf4
Add eager resolving for indy call sites
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15193
diff
changeset
|
606 index = decodeConstantPoolCacheIndex(cpi) + runtime().getConfig().constantPoolCpCacheIndexTag; |
14979
5dfaaa91be37
fixed com.oracle.graal.hotspot.meta.HotSpotConstantPool.loadReferencedType(int, int) for invokedynamic
twisti
parents:
14530
diff
changeset
|
607 index = runtime().getCompilerToVM().constantPoolRemapInstructionOperandFromCache(metaspaceConstantPool, index); |
5dfaaa91be37
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608 break; |
14093 | 609 default: |
610 index = toConstantPoolIndex(cpi, opcode); | |
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611 index = runtime().getCompilerToVM().constantPoolRemapInstructionOperandFromCache(metaspaceConstantPool, index); |
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612 } |
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613 |
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614 JVM_CONSTANT tag = getTagAt(index); |
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615 if (tag == null) { |
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616 assert getTagAt(index - 1) == JVM_CONSTANT.Double || getTagAt(index - 1) == JVM_CONSTANT.Long; |
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617 return; |
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618 } |
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619 switch (tag) { |
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620 case Fieldref: |
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621 case MethodRef: |
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622 case InterfaceMethodref: |
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623 index = getUncachedKlassRefIndexAt(index); |
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624 tag = getTagAt(index); |
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625 assert tag == JVM_CONSTANT.Class || tag == JVM_CONSTANT.UnresolvedClass || tag == JVM_CONSTANT.UnresolvedClassInError : tag; |
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re-enabled Checkstyle with the release of 6.0 that supports Java 8; fixed existing Checkstyle warnings
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626 // fall through |
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627 case Class: |
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628 case UnresolvedClass: |
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629 case UnresolvedClassInError: |
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630 final long metaspaceKlass = runtime().getCompilerToVM().constantPoolKlassAt(metaspaceConstantPool, index); |
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631 HotSpotResolvedObjectTypeImpl type = HotSpotResolvedObjectTypeImpl.fromMetaspaceKlass(metaspaceKlass); |
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632 Class<?> klass = type.mirror(); |
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633 if (!klass.isPrimitive() && !klass.isArray()) { |
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634 unsafe.ensureClassInitialized(klass); |
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635 } |
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636 break; |
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637 case InvokeDynamic: |
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638 if (isInvokedynamicIndex(cpi)) { |
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639 runtime().getCompilerToVM().resolveInvokeDynamic(metaspaceConstantPool, cpi); |
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640 } |
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641 break; |
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642 default: |
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643 // nothing |
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644 break; |
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645 } |
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646 } |
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647 |
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648 @Override |
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649 public String toString() { |
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650 HotSpotResolvedObjectType holder = getHolder(); |
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651 return "HotSpotConstantPool<" + holder.toJavaName() + ">"; |
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652 } |
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653 } |