1 /*
   2  * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.hotspot.meta;
  26 
  27 import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC;
  28 import static org.graalvm.compiler.hotspot.HotSpotBackend.GHASH_PROCESS_BLOCKS;
  29 import static org.graalvm.compiler.hotspot.meta.HotSpotAOTProfilingPlugin.Options.TieredAOT;
  30 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.JAVA_THREAD_THREAD_OBJECT_LOCATION;
  31 import static org.graalvm.compiler.java.BytecodeParserOptions.InlineDuringParsing;
  32 import static org.graalvm.compiler.serviceprovider.JavaVersionUtil.Java8OrEarlier;
  33 
  34 import java.lang.invoke.ConstantCallSite;
  35 import java.lang.invoke.MutableCallSite;
  36 import java.lang.invoke.VolatileCallSite;
  37 import java.lang.reflect.Array;
  38 import java.math.BigInteger;
  39 import java.util.zip.CRC32;
  40 
  41 import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
  42 import org.graalvm.compiler.bytecode.BytecodeProvider;
  43 import org.graalvm.compiler.core.common.spi.ForeignCallsProvider;
  44 import org.graalvm.compiler.core.common.type.ObjectStamp;
  45 import org.graalvm.compiler.core.common.type.StampFactory;
  46 import org.graalvm.compiler.core.common.type.TypeReference;
  47 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
  48 import org.graalvm.compiler.hotspot.nodes.CurrentJavaThreadNode;
  49 import org.graalvm.compiler.hotspot.replacements.AESCryptSubstitutions;
  50 import org.graalvm.compiler.hotspot.replacements.ArraysSupportSubstitutions;
  51 import org.graalvm.compiler.hotspot.replacements.BigIntegerSubstitutions;
  52 import org.graalvm.compiler.hotspot.replacements.CRC32CSubstitutions;
  53 import org.graalvm.compiler.hotspot.replacements.CRC32Substitutions;
  54 import org.graalvm.compiler.hotspot.replacements.CallSiteTargetNode;
  55 import org.graalvm.compiler.hotspot.replacements.CipherBlockChainingSubstitutions;
  56 import org.graalvm.compiler.hotspot.replacements.ClassGetHubNode;
  57 import org.graalvm.compiler.hotspot.replacements.CounterModeSubstitutions;
  58 import org.graalvm.compiler.hotspot.replacements.DigestBaseSubstitutions;
  59 import org.graalvm.compiler.hotspot.replacements.HotSpotArraySubstitutions;
  60 import org.graalvm.compiler.hotspot.replacements.HotSpotClassSubstitutions;
  61 import org.graalvm.compiler.hotspot.replacements.IdentityHashCodeNode;
  62 import org.graalvm.compiler.hotspot.replacements.ObjectCloneNode;
  63 import org.graalvm.compiler.hotspot.replacements.ObjectSubstitutions;
  64 import org.graalvm.compiler.hotspot.replacements.ReflectionGetCallerClassNode;
  65 import org.graalvm.compiler.hotspot.replacements.ReflectionSubstitutions;
  66 import org.graalvm.compiler.hotspot.replacements.SHA2Substitutions;
  67 import org.graalvm.compiler.hotspot.replacements.SHA5Substitutions;
  68 import org.graalvm.compiler.hotspot.replacements.SHASubstitutions;
  69 import org.graalvm.compiler.hotspot.replacements.StringUTF16Substitutions;
  70 import org.graalvm.compiler.hotspot.replacements.ThreadSubstitutions;
  71 import org.graalvm.compiler.hotspot.word.HotSpotWordTypes;
  72 import org.graalvm.compiler.nodes.ComputeObjectAddressNode;
  73 import org.graalvm.compiler.nodes.ConstantNode;
  74 import org.graalvm.compiler.nodes.NamedLocationIdentity;
  75 import org.graalvm.compiler.nodes.NodeView;
  76 import org.graalvm.compiler.nodes.ValueNode;
  77 import org.graalvm.compiler.nodes.calc.AddNode;
  78 import org.graalvm.compiler.nodes.calc.IntegerConvertNode;
  79 import org.graalvm.compiler.nodes.calc.LeftShiftNode;
  80 import org.graalvm.compiler.nodes.extended.ForeignCallNode;
  81 import org.graalvm.compiler.nodes.graphbuilderconf.ForeignCallPlugin;
  82 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins;
  83 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
  84 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;
  85 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin.Receiver;
  86 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;
  87 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins.Registration;
  88 import org.graalvm.compiler.nodes.graphbuilderconf.NodeIntrinsicPluginFactory;
  89 import org.graalvm.compiler.nodes.memory.HeapAccess.BarrierType;
  90 import org.graalvm.compiler.nodes.memory.ReadNode;
  91 import org.graalvm.compiler.nodes.memory.address.AddressNode;
  92 import org.graalvm.compiler.nodes.memory.address.OffsetAddressNode;
  93 import org.graalvm.compiler.nodes.util.GraphUtil;
  94 import org.graalvm.compiler.options.OptionValues;
  95 import org.graalvm.compiler.phases.tiers.CompilerConfiguration;
  96 import org.graalvm.compiler.replacements.InlineDuringParsingPlugin;
  97 import org.graalvm.compiler.replacements.MethodHandlePlugin;
  98 import org.graalvm.compiler.replacements.NodeIntrinsificationProvider;
  99 import org.graalvm.compiler.replacements.ReplacementsImpl;
 100 import org.graalvm.compiler.replacements.StandardGraphBuilderPlugins;
 101 import org.graalvm.compiler.replacements.arraycopy.ArrayCopyNode;
 102 import org.graalvm.compiler.serviceprovider.GraalServices;
 103 import org.graalvm.compiler.word.WordOperationPlugin;
 104 import org.graalvm.compiler.word.WordTypes;
 105 import jdk.internal.vm.compiler.word.LocationIdentity;
 106 
 107 import jdk.vm.ci.code.CodeUtil;
 108 import jdk.vm.ci.meta.ConstantReflectionProvider;
 109 import jdk.vm.ci.meta.DeoptimizationAction;
 110 import jdk.vm.ci.meta.JavaKind;
 111 import jdk.vm.ci.meta.MetaAccessProvider;
 112 import jdk.vm.ci.meta.ResolvedJavaMethod;
 113 import sun.misc.Unsafe;
 114 
 115 /**
 116  * Defines the {@link Plugins} used when running on HotSpot.
 117  */
 118 public class HotSpotGraphBuilderPlugins {
 119 
 120     /**
 121      * Creates a {@link Plugins} object that should be used when running on HotSpot.
 122      *
 123      * @param constantReflection
 124      * @param snippetReflection
 125      * @param foreignCalls
 126      */
 127     public static Plugins create(CompilerConfiguration compilerConfiguration, GraalHotSpotVMConfig config, HotSpotWordTypes wordTypes, MetaAccessProvider metaAccess,
 128                     ConstantReflectionProvider constantReflection, SnippetReflectionProvider snippetReflection, ForeignCallsProvider foreignCalls, ReplacementsImpl replacements) {
 129         InvocationPlugins invocationPlugins = new HotSpotInvocationPlugins(config, compilerConfiguration);
 130 
 131         Plugins plugins = new Plugins(invocationPlugins);
 132         NodeIntrinsificationProvider nodeIntrinsificationProvider = new NodeIntrinsificationProvider(metaAccess, snippetReflection, foreignCalls, wordTypes);
 133         HotSpotWordOperationPlugin wordOperationPlugin = new HotSpotWordOperationPlugin(snippetReflection, wordTypes);
 134         HotSpotNodePlugin nodePlugin = new HotSpotNodePlugin(wordOperationPlugin, config, wordTypes);
 135 
 136         plugins.appendTypePlugin(nodePlugin);
 137         plugins.appendNodePlugin(nodePlugin);
 138         OptionValues options = replacements.getOptions();
 139         if (!GeneratePIC.getValue(options)) {
 140             plugins.appendNodePlugin(new MethodHandlePlugin(constantReflection.getMethodHandleAccess(), true));
 141         }
 142         plugins.appendInlineInvokePlugin(replacements);
 143         if (InlineDuringParsing.getValue(options)) {
 144             plugins.appendInlineInvokePlugin(new InlineDuringParsingPlugin());
 145         }
 146 
 147         if (GeneratePIC.getValue(options)) {
 148             plugins.setClassInitializationPlugin(new HotSpotClassInitializationPlugin());
 149             if (TieredAOT.getValue(options)) {
 150                 plugins.setProfilingPlugin(new HotSpotAOTProfilingPlugin());
 151             }
 152         }
 153 
 154         invocationPlugins.defer(new Runnable() {
 155 
 156             @Override
 157             public void run() {
 158                 BytecodeProvider replacementBytecodeProvider = replacements.getDefaultReplacementBytecodeProvider();
 159                 registerObjectPlugins(invocationPlugins, options, config, replacementBytecodeProvider);
 160                 registerClassPlugins(plugins, config, replacementBytecodeProvider);
 161                 registerSystemPlugins(invocationPlugins, foreignCalls);
 162                 registerThreadPlugins(invocationPlugins, metaAccess, wordTypes, config, replacementBytecodeProvider);
 163                 if (!GeneratePIC.getValue(options)) {
 164                     registerCallSitePlugins(invocationPlugins);
 165                 }
 166                 registerReflectionPlugins(invocationPlugins, replacementBytecodeProvider);
 167                 registerConstantPoolPlugins(invocationPlugins, wordTypes, config, replacementBytecodeProvider);
 168                 registerAESPlugins(invocationPlugins, config, replacementBytecodeProvider);
 169                 registerCRC32Plugins(invocationPlugins, config, replacementBytecodeProvider);
 170                 registerCRC32CPlugins(invocationPlugins, config, replacementBytecodeProvider);
 171                 registerBigIntegerPlugins(invocationPlugins, config, replacementBytecodeProvider);
 172                 registerSHAPlugins(invocationPlugins, config, replacementBytecodeProvider);
 173                 registerGHASHPlugins(invocationPlugins, config, metaAccess, foreignCalls);
 174                 registerCounterModePlugins(invocationPlugins, config, replacementBytecodeProvider);
 175                 registerUnsafePlugins(invocationPlugins, replacementBytecodeProvider);
 176                 StandardGraphBuilderPlugins.registerInvocationPlugins(metaAccess, snippetReflection, invocationPlugins, replacementBytecodeProvider, true, false);
 177                 registerArrayPlugins(invocationPlugins, replacementBytecodeProvider);
 178                 registerStringPlugins(invocationPlugins, replacementBytecodeProvider);
 179                 registerArraysSupportPlugins(invocationPlugins, config, replacementBytecodeProvider);
 180 
 181                 for (NodeIntrinsicPluginFactory factory : GraalServices.load(NodeIntrinsicPluginFactory.class)) {
 182                     factory.registerPlugins(invocationPlugins, nodeIntrinsificationProvider);
 183                 }
 184             }
 185         });
 186         return plugins;
 187     }
 188 
 189     private static void registerObjectPlugins(InvocationPlugins plugins, OptionValues options, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 190         Registration r = new Registration(plugins, Object.class, bytecodeProvider);
 191         if (!GeneratePIC.getValue(options)) {
 192             // FIXME: clone() requires speculation and requires a fix in here (to check that
 193             // b.getAssumptions() != null), and in ReplacementImpl.getSubstitution() where there is
 194             // an instantiation of IntrinsicGraphBuilder using a constructor that sets
 195             // AllowAssumptions to YES automatically. The former has to inherit the assumptions
 196             // settings from the root compile instead. So, for now, I'm disabling it for
 197             // GeneratePIC.
 198             r.register1("clone", Receiver.class, new InvocationPlugin() {
 199                 @Override
 200                 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
 201                     ValueNode object = receiver.get();
 202                     b.addPush(JavaKind.Object, new ObjectCloneNode(b.getInvokeKind(), targetMethod, b.bci(), b.getInvokeReturnStamp(b.getAssumptions()), object));
 203                     return true;
 204                 }
 205 
 206                 @Override
 207                 public boolean inlineOnly() {
 208                     return true;
 209                 }
 210             });
 211         }
 212         r.registerMethodSubstitution(ObjectSubstitutions.class, "hashCode", Receiver.class);
 213         if (config.inlineNotify()) {
 214             r.registerMethodSubstitution(ObjectSubstitutions.class, "notify", Receiver.class);
 215         }
 216         if (config.inlineNotifyAll()) {
 217             r.registerMethodSubstitution(ObjectSubstitutions.class, "notifyAll", Receiver.class);
 218         }
 219     }
 220 
 221     private static void registerClassPlugins(Plugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 222         Registration r = new Registration(plugins.getInvocationPlugins(), Class.class, bytecodeProvider);
 223 
 224         r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "getModifiers", Receiver.class);
 225         r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "isInterface", Receiver.class);
 226         r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "isArray", Receiver.class);
 227         r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "isPrimitive", Receiver.class);
 228         r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "getSuperclass", Receiver.class);
 229 
 230         if (config.getFieldOffset("ArrayKlass::_component_mirror", Integer.class, "oop", Integer.MAX_VALUE) != Integer.MAX_VALUE) {
 231             r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "getComponentType", Receiver.class);
 232         }
 233     }
 234 
 235     private static void registerCallSitePlugins(InvocationPlugins plugins) {
 236         InvocationPlugin plugin = new InvocationPlugin() {
 237             @Override
 238             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
 239                 ValueNode callSite = receiver.get();
 240                 ValueNode folded = CallSiteTargetNode.tryFold(GraphUtil.originalValue(callSite), b.getMetaAccess(), b.getAssumptions());
 241                 if (folded != null) {
 242                     b.addPush(JavaKind.Object, folded);
 243                 } else {
 244                     b.addPush(JavaKind.Object, new CallSiteTargetNode(b.getInvokeKind(), targetMethod, b.bci(), b.getInvokeReturnStamp(b.getAssumptions()), callSite));
 245                 }
 246                 return true;
 247             }
 248 
 249             @Override
 250             public boolean inlineOnly() {
 251                 return true;
 252             }
 253         };
 254         plugins.register(plugin, ConstantCallSite.class, "getTarget", Receiver.class);
 255         plugins.register(plugin, MutableCallSite.class, "getTarget", Receiver.class);
 256         plugins.register(plugin, VolatileCallSite.class, "getTarget", Receiver.class);
 257     }
 258 
 259     private static void registerReflectionPlugins(InvocationPlugins plugins, BytecodeProvider bytecodeProvider) {
 260         Registration r = new Registration(plugins, reflectionClass, bytecodeProvider);
 261         r.register0("getCallerClass", new InvocationPlugin() {
 262             @Override
 263             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
 264                 b.addPush(JavaKind.Object, new ReflectionGetCallerClassNode(b.getInvokeKind(), targetMethod, b.bci(), b.getInvokeReturnStamp(b.getAssumptions())));
 265                 return true;
 266             }
 267 
 268             @Override
 269             public boolean inlineOnly() {
 270                 return true;
 271             }
 272         });
 273         r.registerMethodSubstitution(ReflectionSubstitutions.class, "getClassAccessFlags", Class.class);
 274     }
 275 
 276     private static void registerUnsafePlugins(InvocationPlugins plugins, BytecodeProvider replacementBytecodeProvider) {
 277         Registration r;
 278         if (Java8OrEarlier) {
 279             r = new Registration(plugins, Unsafe.class, replacementBytecodeProvider);
 280         } else {
 281             r = new Registration(plugins, "jdk.internal.misc.Unsafe", replacementBytecodeProvider);
 282         }
 283         r.registerMethodSubstitution(HotSpotUnsafeSubstitutions.class, HotSpotUnsafeSubstitutions.copyMemoryName, "copyMemory", Receiver.class, Object.class, long.class, Object.class, long.class,
 284                         long.class);
 285     }
 286 
 287     private static final LocationIdentity INSTANCE_KLASS_CONSTANTS = NamedLocationIdentity.immutable("InstanceKlass::_constants");
 288     private static final LocationIdentity CONSTANT_POOL_LENGTH = NamedLocationIdentity.immutable("ConstantPool::_length");
 289 
 290     /**
 291      * Emits a node to get the metaspace {@code ConstantPool} pointer given the value of the
 292      * {@code constantPoolOop} field in a ConstantPool value.
 293      *
 294      * @param constantPoolOop value of the {@code constantPoolOop} field in a ConstantPool value
 295      * @return a node representing the metaspace {@code ConstantPool} pointer associated with
 296      *         {@code constantPoolOop}
 297      */
 298     private static ValueNode getMetaspaceConstantPool(GraphBuilderContext b, ValueNode constantPoolOop, WordTypes wordTypes, GraalHotSpotVMConfig config) {
 299         // ConstantPool.constantPoolOop is in fact the holder class.
 300         ValueNode value = b.nullCheckedValue(constantPoolOop, DeoptimizationAction.None);
 301         ValueNode klass = b.add(ClassGetHubNode.create(value, b.getMetaAccess(), b.getConstantReflection(), false));
 302 
 303         boolean notCompressible = false;
 304         AddressNode constantsAddress = b.add(new OffsetAddressNode(klass, b.add(ConstantNode.forLong(config.instanceKlassConstantsOffset))));
 305         return WordOperationPlugin.readOp(b, wordTypes.getWordKind(), constantsAddress, INSTANCE_KLASS_CONSTANTS, BarrierType.NONE, notCompressible);
 306     }
 307 
 308     /**
 309      * Emits a node representing an element in a metaspace {@code ConstantPool}.
 310      *
 311      * @param constantPoolOop value of the {@code constantPoolOop} field in a ConstantPool value
 312      */
 313     private static boolean readMetaspaceConstantPoolElement(GraphBuilderContext b, ValueNode constantPoolOop, ValueNode index, JavaKind elementKind, WordTypes wordTypes, GraalHotSpotVMConfig config) {
 314         ValueNode constants = getMetaspaceConstantPool(b, constantPoolOop, wordTypes, config);
 315         int shift = CodeUtil.log2(wordTypes.getWordKind().getByteCount());
 316         ValueNode scaledIndex = b.add(new LeftShiftNode(IntegerConvertNode.convert(index, StampFactory.forKind(JavaKind.Long), NodeView.DEFAULT), b.add(ConstantNode.forInt(shift))));
 317         ValueNode offset = b.add(new AddNode(scaledIndex, b.add(ConstantNode.forLong(config.constantPoolSize))));
 318         AddressNode elementAddress = b.add(new OffsetAddressNode(constants, offset));
 319         boolean notCompressible = false;
 320         ValueNode elementValue = WordOperationPlugin.readOp(b, elementKind, elementAddress, NamedLocationIdentity.getArrayLocation(elementKind), BarrierType.NONE, notCompressible);
 321         b.addPush(elementKind, elementValue);
 322         return true;
 323     }
 324 
 325     private static void registerConstantPoolPlugins(InvocationPlugins plugins, WordTypes wordTypes, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 326         Registration r = new Registration(plugins, constantPoolClass, bytecodeProvider);
 327 
 328         r.register2("getSize0", Receiver.class, Object.class, new InvocationPlugin() {
 329             @Override
 330             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode constantPoolOop) {
 331                 boolean notCompressible = false;
 332                 ValueNode constants = getMetaspaceConstantPool(b, constantPoolOop, wordTypes, config);
 333                 AddressNode lengthAddress = b.add(new OffsetAddressNode(constants, b.add(ConstantNode.forLong(config.constantPoolLengthOffset))));
 334                 ValueNode length = WordOperationPlugin.readOp(b, JavaKind.Int, lengthAddress, CONSTANT_POOL_LENGTH, BarrierType.NONE, notCompressible);
 335                 b.addPush(JavaKind.Int, length);
 336                 return true;
 337             }
 338         });
 339 
 340         r.register3("getIntAt0", Receiver.class, Object.class, int.class, new InvocationPlugin() {
 341             @Override
 342             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode constantPoolOop, ValueNode index) {
 343                 return readMetaspaceConstantPoolElement(b, constantPoolOop, index, JavaKind.Int, wordTypes, config);
 344             }
 345         });
 346         r.register3("getLongAt0", Receiver.class, Object.class, int.class, new InvocationPlugin() {
 347             @Override
 348             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode constantPoolOop, ValueNode index) {
 349                 return readMetaspaceConstantPoolElement(b, constantPoolOop, index, JavaKind.Long, wordTypes, config);
 350             }
 351         });
 352         r.register3("getFloatAt0", Receiver.class, Object.class, int.class, new InvocationPlugin() {
 353             @Override
 354             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode constantPoolOop, ValueNode index) {
 355                 return readMetaspaceConstantPoolElement(b, constantPoolOop, index, JavaKind.Float, wordTypes, config);
 356             }
 357         });
 358         r.register3("getDoubleAt0", Receiver.class, Object.class, int.class, new InvocationPlugin() {
 359             @Override
 360             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode constantPoolOop, ValueNode index) {
 361                 return readMetaspaceConstantPoolElement(b, constantPoolOop, index, JavaKind.Double, wordTypes, config);
 362             }
 363         });
 364     }
 365 
 366     private static void registerSystemPlugins(InvocationPlugins plugins, ForeignCallsProvider foreignCalls) {
 367         Registration r = new Registration(plugins, System.class);
 368         r.register0("currentTimeMillis", new ForeignCallPlugin(foreignCalls, HotSpotHostForeignCallsProvider.JAVA_TIME_MILLIS));
 369         r.register0("nanoTime", new ForeignCallPlugin(foreignCalls, HotSpotHostForeignCallsProvider.JAVA_TIME_NANOS));
 370         r.register1("identityHashCode", Object.class, new InvocationPlugin() {
 371             @Override
 372             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode object) {
 373                 b.addPush(JavaKind.Int, new IdentityHashCodeNode(object));
 374                 return true;
 375             }
 376 
 377             @Override
 378             public boolean inlineOnly() {
 379                 return true;
 380             }
 381         });
 382         r.register5("arraycopy", Object.class, int.class, Object.class, int.class, int.class, new InvocationPlugin() {
 383             @Override
 384             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode src, ValueNode srcPos, ValueNode dst, ValueNode dstPos, ValueNode length) {
 385                 b.add(new ArrayCopyNode(b.bci(), src, srcPos, dst, dstPos, length));
 386                 return true;
 387             }
 388 
 389             @Override
 390             public boolean inlineOnly() {
 391                 return true;
 392             }
 393         });
 394     }
 395 
 396     private static void registerArrayPlugins(InvocationPlugins plugins, BytecodeProvider bytecodeProvider) {
 397         Registration r = new Registration(plugins, Array.class, bytecodeProvider);
 398         r.setAllowOverwrite(true);
 399         r.registerMethodSubstitution(HotSpotArraySubstitutions.class, "newInstance", Class.class, int.class);
 400     }
 401 
 402     private static void registerStringPlugins(InvocationPlugins plugins, BytecodeProvider bytecodeProvider) {
 403         if (!Java8OrEarlier) {
 404             final Registration utf16r = new Registration(plugins, "java.lang.StringUTF16", bytecodeProvider);
 405             utf16r.registerMethodSubstitution(StringUTF16Substitutions.class, "toBytes", char[].class, int.class, int.class);
 406             utf16r.registerMethodSubstitution(StringUTF16Substitutions.class, "getChars", byte[].class, int.class, int.class, char[].class, int.class);
 407         }
 408     }
 409 
 410     private static void registerThreadPlugins(InvocationPlugins plugins, MetaAccessProvider metaAccess, WordTypes wordTypes, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 411         Registration r = new Registration(plugins, Thread.class, bytecodeProvider);
 412         r.register0("currentThread", new InvocationPlugin() {
 413             @Override
 414             public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
 415                 CurrentJavaThreadNode thread = b.add(new CurrentJavaThreadNode(wordTypes.getWordKind()));
 416                 ValueNode offset = b.add(ConstantNode.forLong(config.threadObjectOffset));
 417                 AddressNode address = b.add(new OffsetAddressNode(thread, offset));
 418                 // JavaThread::_threadObj is never compressed
 419                 ObjectStamp stamp = StampFactory.objectNonNull(TypeReference.create(b.getAssumptions(), metaAccess.lookupJavaType(Thread.class)));
 420                 b.addPush(JavaKind.Object, new ReadNode(address, JAVA_THREAD_THREAD_OBJECT_LOCATION, stamp, BarrierType.NONE));
 421                 return true;
 422             }
 423         });
 424 
 425         r.registerMethodSubstitution(ThreadSubstitutions.class, "isInterrupted", Receiver.class, boolean.class);
 426     }
 427 
 428     public static final String cbcEncryptName;
 429     public static final String cbcDecryptName;
 430     public static final String aesEncryptName;
 431     public static final String aesDecryptName;
 432 
 433     public static final String reflectionClass;
 434     public static final String constantPoolClass;
 435 
 436     static {
 437         if (Java8OrEarlier) {
 438             cbcEncryptName = "encrypt";
 439             cbcDecryptName = "decrypt";
 440             aesEncryptName = "encryptBlock";
 441             aesDecryptName = "decryptBlock";
 442             reflectionClass = "sun.reflect.Reflection";
 443             constantPoolClass = "sun.reflect.ConstantPool";
 444         } else {
 445             cbcEncryptName = "implEncrypt";
 446             cbcDecryptName = "implDecrypt";
 447             aesEncryptName = "implEncryptBlock";
 448             aesDecryptName = "implDecryptBlock";
 449             reflectionClass = "jdk.internal.reflect.Reflection";
 450             constantPoolClass = "jdk.internal.reflect.ConstantPool";
 451         }
 452     }
 453 
 454     private static void registerAESPlugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 455         if (config.useAESIntrinsics) {
 456             assert config.aescryptEncryptBlockStub != 0L;
 457             assert config.aescryptDecryptBlockStub != 0L;
 458             assert config.cipherBlockChainingEncryptAESCryptStub != 0L;
 459             assert config.cipherBlockChainingDecryptAESCryptStub != 0L;
 460             String arch = config.osArch;
 461             String decryptSuffix = arch.equals("sparc") ? "WithOriginalKey" : "";
 462             Registration r = new Registration(plugins, "com.sun.crypto.provider.CipherBlockChaining", bytecodeProvider);
 463             r.registerMethodSubstitution(CipherBlockChainingSubstitutions.class, cbcEncryptName, Receiver.class, byte[].class, int.class, int.class, byte[].class, int.class);
 464             r.registerMethodSubstitution(CipherBlockChainingSubstitutions.class, cbcDecryptName, cbcDecryptName + decryptSuffix, Receiver.class, byte[].class, int.class, int.class, byte[].class,
 465                             int.class);
 466             r = new Registration(plugins, "com.sun.crypto.provider.AESCrypt", bytecodeProvider);
 467             r.registerMethodSubstitution(AESCryptSubstitutions.class, aesEncryptName, Receiver.class, byte[].class, int.class, byte[].class, int.class);
 468             r.registerMethodSubstitution(AESCryptSubstitutions.class, aesDecryptName, aesDecryptName + decryptSuffix, Receiver.class, byte[].class, int.class, byte[].class, int.class);
 469         }
 470     }
 471 
 472     private static void registerBigIntegerPlugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 473         Registration r = new Registration(plugins, BigInteger.class, bytecodeProvider);
 474         if (config.useMultiplyToLenIntrinsic()) {
 475             assert config.multiplyToLen != 0L;
 476             if (Java8OrEarlier) {
 477                 r.registerMethodSubstitution(BigIntegerSubstitutions.class, "multiplyToLen", "multiplyToLenStatic", int[].class, int.class, int[].class, int.class,
 478                                 int[].class);
 479             } else {
 480                 r.registerMethodSubstitution(BigIntegerSubstitutions.class, "implMultiplyToLen", "multiplyToLenStatic", int[].class, int.class, int[].class, int.class,
 481                                 int[].class);
 482             }
 483         }
 484         if (config.useMulAddIntrinsic()) {
 485             r.registerMethodSubstitution(BigIntegerSubstitutions.class, "implMulAdd", int[].class, int[].class, int.class, int.class, int.class);
 486         }
 487         if (config.useMontgomeryMultiplyIntrinsic()) {
 488             r.registerMethodSubstitution(BigIntegerSubstitutions.class, "implMontgomeryMultiply", int[].class, int[].class, int[].class, int.class, long.class, int[].class);
 489         }
 490         if (config.useMontgomerySquareIntrinsic()) {
 491             r.registerMethodSubstitution(BigIntegerSubstitutions.class, "implMontgomerySquare", int[].class, int[].class, int.class, long.class, int[].class);
 492         }
 493         if (config.useSquareToLenIntrinsic()) {
 494             r.registerMethodSubstitution(BigIntegerSubstitutions.class, "implSquareToLen", int[].class, int.class, int[].class, int.class);
 495         }
 496     }
 497 
 498     private static void registerSHAPlugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 499         boolean useSha1 = config.useSHA1Intrinsics();
 500         boolean useSha256 = config.useSHA256Intrinsics();
 501         boolean useSha512 = config.useSHA512Intrinsics();
 502 
 503         if (!Java8OrEarlier && (useSha1 || useSha256 || useSha512)) {
 504             Registration r = new Registration(plugins, "sun.security.provider.DigestBase", bytecodeProvider);
 505             r.registerMethodSubstitution(DigestBaseSubstitutions.class, "implCompressMultiBlock0", Receiver.class, byte[].class, int.class, int.class);
 506         }
 507 
 508         if (useSha1) {
 509             assert config.sha1ImplCompress != 0L;
 510             Registration r = new Registration(plugins, "sun.security.provider.SHA", bytecodeProvider);
 511             r.registerMethodSubstitution(SHASubstitutions.class, SHASubstitutions.implCompressName, "implCompress0", Receiver.class, byte[].class, int.class);
 512         }
 513         if (useSha256) {
 514             assert config.sha256ImplCompress != 0L;
 515             Registration r = new Registration(plugins, "sun.security.provider.SHA2", bytecodeProvider);
 516             r.registerMethodSubstitution(SHA2Substitutions.class, SHA2Substitutions.implCompressName, "implCompress0", Receiver.class, byte[].class, int.class);
 517         }
 518         if (useSha512) {
 519             assert config.sha512ImplCompress != 0L;
 520             Registration r = new Registration(plugins, "sun.security.provider.SHA5", bytecodeProvider);
 521             r.registerMethodSubstitution(SHA5Substitutions.class, SHA5Substitutions.implCompressName, "implCompress0", Receiver.class, byte[].class, int.class);
 522         }
 523     }
 524 
 525     private static void registerGHASHPlugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, MetaAccessProvider metaAccess, ForeignCallsProvider foreignCalls) {
 526         if (config.useGHASHIntrinsics()) {
 527             assert config.ghashProcessBlocks != 0L;
 528             Registration r = new Registration(plugins, "com.sun.crypto.provider.GHASH");
 529             r.register5("processBlocks",
 530                             byte[].class,
 531                             int.class,
 532                             int.class,
 533                             long[].class,
 534                             long[].class,
 535                             new InvocationPlugin() {
 536                                 @Override
 537                                 public boolean apply(GraphBuilderContext b,
 538                                                 ResolvedJavaMethod targetMethod,
 539                                                 Receiver receiver,
 540                                                 ValueNode data,
 541                                                 ValueNode inOffset,
 542                                                 ValueNode blocks,
 543                                                 ValueNode state,
 544                                                 ValueNode hashSubkey) {
 545                                     int longArrayBaseOffset = metaAccess.getArrayBaseOffset(JavaKind.Long);
 546                                     int byteArrayBaseOffset = metaAccess.getArrayBaseOffset(JavaKind.Byte);
 547                                     ValueNode dataOffset = AddNode.create(ConstantNode.forInt(byteArrayBaseOffset), inOffset, NodeView.DEFAULT);
 548                                     ComputeObjectAddressNode dataAddress = b.add(new ComputeObjectAddressNode(data, dataOffset));
 549                                     ComputeObjectAddressNode stateAddress = b.add(new ComputeObjectAddressNode(state, ConstantNode.forInt(longArrayBaseOffset)));
 550                                     ComputeObjectAddressNode hashSubkeyAddress = b.add(new ComputeObjectAddressNode(hashSubkey, ConstantNode.forInt(longArrayBaseOffset)));
 551                                     b.add(new ForeignCallNode(foreignCalls, GHASH_PROCESS_BLOCKS, stateAddress, hashSubkeyAddress, dataAddress, blocks));
 552                                     return true;
 553                                 }
 554                             });
 555         }
 556     }
 557 
 558     private static void registerCounterModePlugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 559         if (config.useAESCTRIntrinsics) {
 560             assert config.counterModeAESCrypt != 0L;
 561             Registration r = new Registration(plugins, "com.sun.crypto.provider.CounterMode", bytecodeProvider);
 562             r.registerMethodSubstitution(CounterModeSubstitutions.class, "implCrypt", Receiver.class, byte[].class, int.class, int.class, byte[].class, int.class);
 563         }
 564     }
 565 
 566     private static void registerCRC32Plugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 567         if (config.useCRC32Intrinsics) {
 568             Registration r = new Registration(plugins, CRC32.class, bytecodeProvider);
 569             r.registerMethodSubstitution(CRC32Substitutions.class, "update", int.class, int.class);
 570             if (Java8OrEarlier) {
 571                 r.registerMethodSubstitution(CRC32Substitutions.class, "updateBytes", int.class, byte[].class, int.class, int.class);
 572                 r.registerMethodSubstitution(CRC32Substitutions.class, "updateByteBuffer", int.class, long.class, int.class, int.class);
 573             } else {
 574                 r.registerMethodSubstitution(CRC32Substitutions.class, "updateBytes0", int.class, byte[].class, int.class, int.class);
 575                 r.registerMethodSubstitution(CRC32Substitutions.class, "updateByteBuffer0", int.class, long.class, int.class, int.class);
 576             }
 577         }
 578     }
 579 
 580     private static void registerCRC32CPlugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 581         if (config.useCRC32CIntrinsics) {
 582             Registration r = new Registration(plugins, "java.util.zip.CRC32C", bytecodeProvider);
 583             r.registerMethodSubstitution(CRC32CSubstitutions.class, "updateBytes", int.class, byte[].class, int.class, int.class);
 584             r.registerMethodSubstitution(CRC32CSubstitutions.class, "updateDirectByteBuffer", int.class, long.class, int.class, int.class);
 585         }
 586     }
 587 
 588     private static void registerArraysSupportPlugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
 589         if (config.useVectorizedMismatchIntrinsic) {
 590             Registration r = new Registration(plugins, "jdk.internal.util.ArraysSupport", bytecodeProvider);
 591             r.registerMethodSubstitution(ArraysSupportSubstitutions.class, "vectorizedMismatch", Object.class, long.class, Object.class, long.class, int.class, int.class);
 592         }
 593     }
 594 }