1 /*
2 * Copyright (c) 2015, 2016, 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 package org.graalvm.compiler.hotspot.meta;
24
25 import static jdk.vm.ci.meta.DeoptimizationAction.InvalidateRecompile;
26 import static jdk.vm.ci.meta.DeoptimizationReason.Unresolved;
27 import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC;
28 import static org.graalvm.compiler.hotspot.meta.HotSpotAOTProfilingPlugin.Options.TieredAOT;
29 import static org.graalvm.compiler.hotspot.replacements.HotSpotReplacementsUtil.JAVA_THREAD_THREAD_OBJECT_LOCATION;
30 import static org.graalvm.compiler.java.BytecodeParserOptions.InlineDuringParsing;
31 import static org.graalvm.compiler.serviceprovider.JDK9Method.Java8OrEarlier;
32
33 import java.lang.invoke.ConstantCallSite;
34 import java.lang.invoke.MutableCallSite;
35 import java.lang.invoke.VolatileCallSite;
36 import java.lang.reflect.Method;
37 import java.lang.reflect.Modifier;
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.debug.GraalError;
45 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
46 import org.graalvm.compiler.hotspot.nodes.CurrentJavaThreadNode;
47 import org.graalvm.compiler.hotspot.replacements.AESCryptSubstitutions;
48 import org.graalvm.compiler.hotspot.replacements.BigIntegerSubstitutions;
49 import org.graalvm.compiler.hotspot.replacements.CRC32Substitutions;
50 import org.graalvm.compiler.hotspot.replacements.CallSiteTargetNode;
51 import org.graalvm.compiler.hotspot.replacements.CipherBlockChainingSubstitutions;
52 import org.graalvm.compiler.hotspot.replacements.ClassGetHubNode;
53 import org.graalvm.compiler.hotspot.replacements.HotSpotClassSubstitutions;
54 import org.graalvm.compiler.hotspot.replacements.IdentityHashCodeNode;
55 import org.graalvm.compiler.hotspot.replacements.ObjectCloneNode;
56 import org.graalvm.compiler.hotspot.replacements.ObjectSubstitutions;
57 import org.graalvm.compiler.hotspot.replacements.ReflectionGetCallerClassNode;
58 import org.graalvm.compiler.hotspot.replacements.ReflectionSubstitutions;
59 import org.graalvm.compiler.hotspot.replacements.SHA2Substitutions;
60 import org.graalvm.compiler.hotspot.replacements.SHA5Substitutions;
61 import org.graalvm.compiler.hotspot.replacements.SHASubstitutions;
62 import org.graalvm.compiler.hotspot.replacements.ThreadSubstitutions;
63 import org.graalvm.compiler.hotspot.replacements.arraycopy.ArrayCopyNode;
64 import org.graalvm.compiler.hotspot.word.HotSpotWordTypes;
65 import org.graalvm.compiler.nodes.ConstantNode;
66 import org.graalvm.compiler.nodes.DeoptimizeNode;
67 import org.graalvm.compiler.nodes.DynamicPiNode;
68 import org.graalvm.compiler.nodes.FixedGuardNode;
69 import org.graalvm.compiler.nodes.LogicNode;
70 import org.graalvm.compiler.nodes.NamedLocationIdentity;
71 import org.graalvm.compiler.nodes.PiNode;
72 import org.graalvm.compiler.nodes.ValueNode;
73 import org.graalvm.compiler.nodes.calc.AddNode;
74 import org.graalvm.compiler.nodes.calc.LeftShiftNode;
75 import org.graalvm.compiler.nodes.graphbuilderconf.ForeignCallPlugin;
76 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins;
77 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
78 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;
79 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin.Receiver;
80 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;
81 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins.Registration;
82 import org.graalvm.compiler.nodes.graphbuilderconf.NodeIntrinsicPluginFactory;
83 import org.graalvm.compiler.nodes.graphbuilderconf.NodePlugin;
84 import org.graalvm.compiler.nodes.java.InstanceOfDynamicNode;
85 import org.graalvm.compiler.nodes.memory.HeapAccess.BarrierType;
86 import org.graalvm.compiler.nodes.memory.address.AddressNode;
87 import org.graalvm.compiler.nodes.memory.address.OffsetAddressNode;
88 import org.graalvm.compiler.nodes.spi.StampProvider;
89 import org.graalvm.compiler.nodes.util.GraphUtil;
90 import org.graalvm.compiler.options.OptionValues;
91 import org.graalvm.compiler.phases.tiers.CompilerConfiguration;
92 import org.graalvm.compiler.replacements.InlineDuringParsingPlugin;
93 import org.graalvm.compiler.replacements.MethodHandlePlugin;
94 import org.graalvm.compiler.replacements.NodeIntrinsificationProvider;
95 import org.graalvm.compiler.replacements.ReplacementsImpl;
96 import org.graalvm.compiler.replacements.StandardGraphBuilderPlugins;
97 import org.graalvm.compiler.serviceprovider.GraalServices;
98 import org.graalvm.compiler.serviceprovider.JDK9Method;
99 import org.graalvm.compiler.word.WordOperationPlugin;
100 import org.graalvm.compiler.word.WordTypes;
101 import org.graalvm.word.LocationIdentity;
102
103 import jdk.vm.ci.code.CodeUtil;
104 import jdk.vm.ci.hotspot.HotSpotObjectConstant;
105 import jdk.vm.ci.hotspot.HotSpotResolvedJavaType;
106 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
107 import jdk.vm.ci.meta.ConstantReflectionProvider;
108 import jdk.vm.ci.meta.DeoptimizationAction;
109 import jdk.vm.ci.meta.DeoptimizationReason;
110 import jdk.vm.ci.meta.JavaConstant;
111 import jdk.vm.ci.meta.JavaKind;
112 import jdk.vm.ci.meta.MetaAccessProvider;
113 import jdk.vm.ci.meta.ResolvedJavaMethod;
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 * @param stampProvider
127 */
128 public static Plugins create(CompilerConfiguration compilerConfiguration, GraalHotSpotVMConfig config, HotSpotWordTypes wordTypes, MetaAccessProvider metaAccess,
129 ConstantReflectionProvider constantReflection, SnippetReflectionProvider snippetReflection, ForeignCallsProvider foreignCalls, StampProvider stampProvider,
130 ReplacementsImpl replacements) {
131 InvocationPlugins invocationPlugins = new HotSpotInvocationPlugins(config, compilerConfiguration);
132
133 Plugins plugins = new Plugins(invocationPlugins);
134 NodeIntrinsificationProvider nodeIntrinsificationProvider = new NodeIntrinsificationProvider(metaAccess, snippetReflection, foreignCalls, wordTypes);
135 HotSpotWordOperationPlugin wordOperationPlugin = new HotSpotWordOperationPlugin(snippetReflection, wordTypes);
136 HotSpotNodePlugin nodePlugin = new HotSpotNodePlugin(wordOperationPlugin);
137
138 plugins.appendTypePlugin(nodePlugin);
139 plugins.appendNodePlugin(nodePlugin);
140 OptionValues options = replacements.getOptions();
141 if (GeneratePIC.getValue(options)) {
142 // AOT needs to filter out bad invokes
143 plugins.prependNodePlugin(new NodePlugin() {
144 @Override
145 public boolean handleInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) {
146 if (b.parsingIntrinsic()) {
147 return false;
148 }
149 // check if the holder has a valid fingerprint
150 if (((HotSpotResolvedObjectType) method.getDeclaringClass()).getFingerprint() == 0) {
151 // Deopt otherwise
152 b.append(new DeoptimizeNode(InvalidateRecompile, Unresolved));
153 return true;
154 }
155 // the last argument that may come from appendix, check if it is a supported
156 // constant type
157 if (args.length > 0) {
158 JavaConstant constant = args[args.length - 1].asJavaConstant();
159 if (constant != null && constant instanceof HotSpotObjectConstant) {
160 HotSpotResolvedJavaType type = (HotSpotResolvedJavaType) ((HotSpotObjectConstant) constant).getType();
161 Class<?> clazz = type.mirror();
162 if (clazz.equals(String.class)) {
163 return false;
164 }
165 if (Class.class.isAssignableFrom(clazz) && ((HotSpotResolvedObjectType) type).getFingerprint() != 0) {
166 return false;
167 }
168 b.append(new DeoptimizeNode(InvalidateRecompile, Unresolved));
169 return true;
170 }
171 }
172 return false;
173 }
174 });
175 }
176 plugins.appendNodePlugin(new MethodHandlePlugin(constantReflection.getMethodHandleAccess(), true));
177 plugins.appendInlineInvokePlugin(replacements);
178 if (InlineDuringParsing.getValue(options)) {
179 plugins.appendInlineInvokePlugin(new InlineDuringParsingPlugin());
180 }
181
182 if (GeneratePIC.getValue(options)) {
183 plugins.setClassInitializationPlugin(new HotSpotClassInitializationPlugin());
184 if (TieredAOT.getValue(options)) {
185 plugins.setProfilingPlugin(new HotSpotAOTProfilingPlugin());
186 }
187 }
188
189 invocationPlugins.defer(new Runnable() {
190
191 @Override
192 public void run() {
193 BytecodeProvider replacementBytecodeProvider = replacements.getDefaultReplacementBytecodeProvider();
194 registerObjectPlugins(invocationPlugins, options, replacementBytecodeProvider);
195 registerClassPlugins(plugins, config, replacementBytecodeProvider);
196 registerSystemPlugins(invocationPlugins, foreignCalls);
197 registerThreadPlugins(invocationPlugins, metaAccess, wordTypes, config, replacementBytecodeProvider);
198 registerCallSitePlugins(invocationPlugins);
199 registerReflectionPlugins(invocationPlugins, replacementBytecodeProvider);
200 registerConstantPoolPlugins(invocationPlugins, wordTypes, config, replacementBytecodeProvider);
201 registerAESPlugins(invocationPlugins, config, replacementBytecodeProvider);
202 registerCRC32Plugins(invocationPlugins, config, replacementBytecodeProvider);
203 registerBigIntegerPlugins(invocationPlugins, config, replacementBytecodeProvider);
204 registerSHAPlugins(invocationPlugins, config, replacementBytecodeProvider);
205 StandardGraphBuilderPlugins.registerInvocationPlugins(metaAccess, snippetReflection, invocationPlugins, replacementBytecodeProvider, true);
206
207 for (NodeIntrinsicPluginFactory factory : GraalServices.load(NodeIntrinsicPluginFactory.class)) {
208 factory.registerPlugins(invocationPlugins, nodeIntrinsificationProvider);
209 }
210 }
211 });
212 return plugins;
213 }
214
215 private static void registerObjectPlugins(InvocationPlugins plugins, OptionValues options, BytecodeProvider bytecodeProvider) {
216 Registration r = new Registration(plugins, Object.class, bytecodeProvider);
217 if (!GeneratePIC.getValue(options)) {
218 // FIXME: clone() requires speculation and requires a fix in here (to check that
219 // b.getAssumptions() != null), and in ReplacementImpl.getSubstitution() where there is
220 // an instantiation of IntrinsicGraphBuilder using a constructor that sets
221 // AllowAssumptions to YES automatically. The former has to inherit the assumptions
222 // settings from the root compile instead. So, for now, I'm disabling it for
223 // GeneratePIC.
224 r.register1("clone", Receiver.class, new InvocationPlugin() {
225 @Override
226 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
227 ValueNode object = receiver.get();
228 b.addPush(JavaKind.Object, new ObjectCloneNode(b.getInvokeKind(), targetMethod, b.bci(), b.getInvokeReturnStamp(b.getAssumptions()), object));
229 return true;
230 }
231
232 @Override
233 public boolean inlineOnly() {
234 return true;
235 }
236 });
237 }
238 r.registerMethodSubstitution(ObjectSubstitutions.class, "hashCode", Receiver.class);
239 }
240
241 private static void registerClassPlugins(Plugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
242 Registration r = new Registration(plugins.getInvocationPlugins(), Class.class, bytecodeProvider);
243
244 r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "getModifiers", Receiver.class);
245 r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "isInterface", Receiver.class);
246 r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "isArray", Receiver.class);
247 r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "isPrimitive", Receiver.class);
248 r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "getSuperclass", Receiver.class);
249
250 if (config.getFieldOffset("ArrayKlass::_component_mirror", Integer.class, "oop", Integer.MAX_VALUE) != Integer.MAX_VALUE) {
251 r.registerMethodSubstitution(HotSpotClassSubstitutions.class, "getComponentType", Receiver.class);
252 }
253
254 r.register2("cast", Receiver.class, Object.class, new InvocationPlugin() {
255 @Override
256 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode object) {
257 ValueNode javaClass = receiver.get();
258 LogicNode condition = b.append(InstanceOfDynamicNode.create(b.getAssumptions(), b.getConstantReflection(), javaClass, object, true));
259 if (condition.isTautology()) {
260 b.addPush(JavaKind.Object, object);
261 } else {
262 FixedGuardNode fixedGuard = b.add(new FixedGuardNode(condition, DeoptimizationReason.ClassCastException, DeoptimizationAction.InvalidateReprofile, false));
263 b.addPush(JavaKind.Object, new DynamicPiNode(object, fixedGuard, javaClass));
264 }
265 return true;
266 }
267
268 @Override
269 public boolean inlineOnly() {
270 return true;
271 }
272 });
273 }
274
275 private static void registerCallSitePlugins(InvocationPlugins plugins) {
276 InvocationPlugin plugin = new InvocationPlugin() {
277 @Override
278 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
279 ValueNode callSite = receiver.get();
280 ValueNode folded = CallSiteTargetNode.tryFold(GraphUtil.originalValue(callSite), b.getMetaAccess(), b.getAssumptions());
281 if (folded != null) {
282 b.addPush(JavaKind.Object, folded);
283 } else {
284 b.addPush(JavaKind.Object, new CallSiteTargetNode(b.getInvokeKind(), targetMethod, b.bci(), b.getInvokeReturnStamp(b.getAssumptions()), callSite));
285 }
286 return true;
287 }
288
289 @Override
290 public boolean inlineOnly() {
291 return true;
292 }
293 };
294 plugins.register(plugin, ConstantCallSite.class, "getTarget", Receiver.class);
295 plugins.register(plugin, MutableCallSite.class, "getTarget", Receiver.class);
296 plugins.register(plugin, VolatileCallSite.class, "getTarget", Receiver.class);
297 }
298
299 private static void registerReflectionPlugins(InvocationPlugins plugins, BytecodeProvider bytecodeProvider) {
300 Registration r = new Registration(plugins, reflectionClass, bytecodeProvider);
301 r.register0("getCallerClass", new InvocationPlugin() {
302 @Override
303 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
304 b.addPush(JavaKind.Object, new ReflectionGetCallerClassNode(b.getInvokeKind(), targetMethod, b.bci(), b.getInvokeReturnStamp(b.getAssumptions())));
305 return true;
306 }
307
308 @Override
309 public boolean inlineOnly() {
310 return true;
311 }
312 });
313 r.registerMethodSubstitution(ReflectionSubstitutions.class, "getClassAccessFlags", Class.class);
314 }
315
316 private static final LocationIdentity INSTANCE_KLASS_CONSTANTS = NamedLocationIdentity.immutable("InstanceKlass::_constants");
317 private static final LocationIdentity CONSTANT_POOL_LENGTH = NamedLocationIdentity.immutable("ConstantPool::_length");
318
319 /**
320 * Emits a node to get the metaspace {@code ConstantPool} pointer given the value of the
321 * {@code constantPoolOop} field in a ConstantPool value.
322 *
323 * @param constantPoolOop value of the {@code constantPoolOop} field in a ConstantPool value
324 * @return a node representing the metaspace {@code ConstantPool} pointer associated with
325 * {@code constantPoolOop}
326 */
327 private static ValueNode getMetaspaceConstantPool(GraphBuilderContext b, ValueNode constantPoolOop, WordTypes wordTypes, GraalHotSpotVMConfig config) {
328 // ConstantPool.constantPoolOop is in fact the holder class.
329 ValueNode value = b.nullCheckedValue(constantPoolOop, DeoptimizationAction.None);
330 ValueNode klass = b.add(ClassGetHubNode.create(value, b.getMetaAccess(), b.getConstantReflection(), false));
331
332 boolean notCompressible = false;
333 AddressNode constantsAddress = b.add(new OffsetAddressNode(klass, b.add(ConstantNode.forLong(config.instanceKlassConstantsOffset))));
334 return WordOperationPlugin.readOp(b, wordTypes.getWordKind(), constantsAddress, INSTANCE_KLASS_CONSTANTS, BarrierType.NONE, notCompressible);
335 }
336
337 /**
338 * Emits a node representing an element in a metaspace {@code ConstantPool}.
339 *
340 * @param constantPoolOop value of the {@code constantPoolOop} field in a ConstantPool value
341 */
342 private static boolean readMetaspaceConstantPoolElement(GraphBuilderContext b, ValueNode constantPoolOop, ValueNode index, JavaKind elementKind, WordTypes wordTypes, GraalHotSpotVMConfig config) {
343 ValueNode constants = getMetaspaceConstantPool(b, constantPoolOop, wordTypes, config);
344 int shift = CodeUtil.log2(wordTypes.getWordKind().getByteCount());
345 ValueNode scaledIndex = b.add(new LeftShiftNode(index, b.add(ConstantNode.forInt(shift))));
346 ValueNode offset = b.add(new AddNode(scaledIndex, b.add(ConstantNode.forInt(config.constantPoolSize))));
347 AddressNode elementAddress = b.add(new OffsetAddressNode(constants, offset));
348 boolean notCompressible = false;
349 ValueNode elementValue = WordOperationPlugin.readOp(b, elementKind, elementAddress, NamedLocationIdentity.getArrayLocation(elementKind), BarrierType.NONE, notCompressible);
350 b.addPush(elementKind, elementValue);
351 return true;
352 }
353
354 private static void registerConstantPoolPlugins(InvocationPlugins plugins, WordTypes wordTypes, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
355 Registration r = new Registration(plugins, constantPoolClass, bytecodeProvider);
356
357 r.register2("getSize0", Receiver.class, Object.class, new InvocationPlugin() {
358 @Override
359 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode constantPoolOop) {
360 boolean notCompressible = false;
361 ValueNode constants = getMetaspaceConstantPool(b, constantPoolOop, wordTypes, config);
362 AddressNode lengthAddress = b.add(new OffsetAddressNode(constants, b.add(ConstantNode.forLong(config.constantPoolLengthOffset))));
363 ValueNode length = WordOperationPlugin.readOp(b, JavaKind.Int, lengthAddress, CONSTANT_POOL_LENGTH, BarrierType.NONE, notCompressible);
364 b.addPush(JavaKind.Int, length);
365 return true;
366 }
367 });
368
369 r.register3("getIntAt0", Receiver.class, Object.class, int.class, new InvocationPlugin() {
370 @Override
371 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode constantPoolOop, ValueNode index) {
372 return readMetaspaceConstantPoolElement(b, constantPoolOop, index, JavaKind.Int, wordTypes, config);
373 }
374 });
375 r.register3("getLongAt0", Receiver.class, Object.class, int.class, new InvocationPlugin() {
376 @Override
377 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode constantPoolOop, ValueNode index) {
378 return readMetaspaceConstantPoolElement(b, constantPoolOop, index, JavaKind.Long, wordTypes, config);
379 }
380 });
381 r.register3("getFloatAt0", Receiver.class, Object.class, int.class, new InvocationPlugin() {
382 @Override
383 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode constantPoolOop, ValueNode index) {
384 return readMetaspaceConstantPoolElement(b, constantPoolOop, index, JavaKind.Float, wordTypes, config);
385 }
386 });
387 r.register3("getDoubleAt0", Receiver.class, Object.class, int.class, new InvocationPlugin() {
388 @Override
389 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode constantPoolOop, ValueNode index) {
390 return readMetaspaceConstantPoolElement(b, constantPoolOop, index, JavaKind.Double, wordTypes, config);
391 }
392 });
393 }
394
395 private static void registerSystemPlugins(InvocationPlugins plugins, ForeignCallsProvider foreignCalls) {
396 Registration r = new Registration(plugins, System.class);
397 r.register0("currentTimeMillis", new ForeignCallPlugin(foreignCalls, HotSpotHostForeignCallsProvider.JAVA_TIME_MILLIS));
398 r.register0("nanoTime", new ForeignCallPlugin(foreignCalls, HotSpotHostForeignCallsProvider.JAVA_TIME_NANOS));
399 r.register1("identityHashCode", Object.class, new InvocationPlugin() {
400 @Override
401 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode object) {
402 b.addPush(JavaKind.Int, new IdentityHashCodeNode(object));
403 return true;
404 }
405
406 @Override
407 public boolean inlineOnly() {
408 return true;
409 }
410 });
411 r.register5("arraycopy", Object.class, int.class, Object.class, int.class, int.class, new InvocationPlugin() {
412 @Override
413 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode src, ValueNode srcPos, ValueNode dst, ValueNode dstPos, ValueNode length) {
414 b.add(new ArrayCopyNode(b.bci(), src, srcPos, dst, dstPos, length));
415 return true;
416 }
417
418 @Override
419 public boolean inlineOnly() {
420 return true;
421 }
422 });
423 }
424
425 private static void registerThreadPlugins(InvocationPlugins plugins, MetaAccessProvider metaAccess, WordTypes wordTypes, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
426 Registration r = new Registration(plugins, Thread.class, bytecodeProvider);
427 r.register0("currentThread", new InvocationPlugin() {
428 @Override
429 public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
430 CurrentJavaThreadNode thread = b.add(new CurrentJavaThreadNode(wordTypes.getWordKind()));
431 boolean compressible = false;
432 ValueNode offset = b.add(ConstantNode.forLong(config.threadObjectOffset));
433 AddressNode address = b.add(new OffsetAddressNode(thread, offset));
434 ValueNode javaThread = WordOperationPlugin.readOp(b, JavaKind.Object, address, JAVA_THREAD_THREAD_OBJECT_LOCATION, BarrierType.NONE, compressible);
435 boolean exactType = false;
436 boolean nonNull = true;
437 b.addPush(JavaKind.Object, new PiNode(javaThread, metaAccess.lookupJavaType(Thread.class), exactType, nonNull));
438 return true;
439 }
440 });
441
442 r.registerMethodSubstitution(ThreadSubstitutions.class, "isInterrupted", Receiver.class, boolean.class);
443 }
444
445 public static final String cbcEncryptName;
446 public static final String cbcDecryptName;
447 public static final String aesEncryptName;
448 public static final String aesDecryptName;
449
450 public static final String reflectionClass;
451 public static final String constantPoolClass;
452
453 static {
454 if (JDK9Method.Java8OrEarlier) {
455 cbcEncryptName = "encrypt";
456 cbcDecryptName = "decrypt";
457 aesEncryptName = "encryptBlock";
458 aesDecryptName = "decryptBlock";
459 reflectionClass = "sun.reflect.Reflection";
460 constantPoolClass = "sun.reflect.ConstantPool";
461 } else {
462 cbcEncryptName = "implEncrypt";
463 cbcDecryptName = "implDecrypt";
464 aesEncryptName = "implEncryptBlock";
465 aesDecryptName = "implDecryptBlock";
466 reflectionClass = "jdk.internal.reflect.Reflection";
467 constantPoolClass = "jdk.internal.reflect.ConstantPool";
468 }
469 }
470
471 private static void registerAESPlugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
472 if (config.useAESIntrinsics) {
473 assert config.aescryptEncryptBlockStub != 0L;
474 assert config.aescryptDecryptBlockStub != 0L;
475 assert config.cipherBlockChainingEncryptAESCryptStub != 0L;
476 assert config.cipherBlockChainingDecryptAESCryptStub != 0L;
477 String arch = config.osArch;
478 String decryptSuffix = arch.equals("sparc") ? "WithOriginalKey" : "";
479 Registration r = new Registration(plugins, "com.sun.crypto.provider.CipherBlockChaining", bytecodeProvider);
480 r.registerMethodSubstitution(CipherBlockChainingSubstitutions.class, cbcEncryptName, Receiver.class, byte[].class, int.class, int.class, byte[].class, int.class);
481 r.registerMethodSubstitution(CipherBlockChainingSubstitutions.class, cbcDecryptName, cbcDecryptName + decryptSuffix, Receiver.class, byte[].class, int.class, int.class, byte[].class,
482 int.class);
483 r = new Registration(plugins, "com.sun.crypto.provider.AESCrypt", bytecodeProvider);
484 r.registerMethodSubstitution(AESCryptSubstitutions.class, aesEncryptName, Receiver.class, byte[].class, int.class, byte[].class, int.class);
485 r.registerMethodSubstitution(AESCryptSubstitutions.class, aesDecryptName, aesDecryptName + decryptSuffix, Receiver.class, byte[].class, int.class, byte[].class, int.class);
486 }
487 }
488
489 private static void registerBigIntegerPlugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
490 Registration r = new Registration(plugins, BigInteger.class, bytecodeProvider);
491 if (config.useMultiplyToLenIntrinsic()) {
492 assert config.multiplyToLen != 0L;
493 if (Java8OrEarlier) {
494 try {
495 Method m = BigInteger.class.getDeclaredMethod("multiplyToLen", int[].class, int.class, int[].class, int.class, int[].class);
496 if (Modifier.isStatic(m.getModifiers())) {
497 r.registerMethodSubstitution(BigIntegerSubstitutions.class, "multiplyToLen", "multiplyToLenStatic", int[].class, int.class, int[].class, int.class,
498 int[].class);
499 } else {
500 r.registerMethodSubstitution(BigIntegerSubstitutions.class, "multiplyToLen", Receiver.class, int[].class, int.class, int[].class, int.class,
501 int[].class);
502 }
503 } catch (NoSuchMethodException | SecurityException e) {
504 throw new GraalError(e);
505 }
506 } else {
507 r.registerMethodSubstitution(BigIntegerSubstitutions.class, "implMultiplyToLen", "multiplyToLenStatic", int[].class, int.class, int[].class, int.class,
508 int[].class);
509 }
510 }
511 if (config.useMulAddIntrinsic()) {
512 r.registerMethodSubstitution(BigIntegerSubstitutions.class, "implMulAdd", int[].class, int[].class, int.class, int.class, int.class);
513 }
514 if (config.useMontgomeryMultiplyIntrinsic()) {
515 r.registerMethodSubstitution(BigIntegerSubstitutions.class, "implMontgomeryMultiply", int[].class, int[].class, int[].class, int.class, long.class, int[].class);
516 }
517 if (config.useMontgomerySquareIntrinsic()) {
518 r.registerMethodSubstitution(BigIntegerSubstitutions.class, "implMontgomerySquare", int[].class, int[].class, int.class, long.class, int[].class);
519 }
520 if (config.useSquareToLenIntrinsic()) {
521 r.registerMethodSubstitution(BigIntegerSubstitutions.class, "implSquareToLen", int[].class, int.class, int[].class, int.class);
522 }
523 }
524
525 private static void registerSHAPlugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
526 if (config.useSHA1Intrinsics()) {
527 assert config.sha1ImplCompress != 0L;
528 Registration r = new Registration(plugins, "sun.security.provider.SHA", bytecodeProvider);
529 r.registerMethodSubstitution(SHASubstitutions.class, SHASubstitutions.implCompressName, "implCompress0", Receiver.class, byte[].class, int.class);
530 }
531 if (config.useSHA256Intrinsics()) {
532 assert config.sha256ImplCompress != 0L;
533 Registration r = new Registration(plugins, "sun.security.provider.SHA2", bytecodeProvider);
534 r.registerMethodSubstitution(SHA2Substitutions.class, SHA2Substitutions.implCompressName, "implCompress0", Receiver.class, byte[].class, int.class);
535 }
536 if (config.useSHA512Intrinsics()) {
537 assert config.sha512ImplCompress != 0L;
538 Registration r = new Registration(plugins, "sun.security.provider.SHA5", bytecodeProvider);
539 r.registerMethodSubstitution(SHA5Substitutions.class, SHA5Substitutions.implCompressName, "implCompress0", Receiver.class, byte[].class, int.class);
540 }
541 }
542
543 private static void registerCRC32Plugins(InvocationPlugins plugins, GraalHotSpotVMConfig config, BytecodeProvider bytecodeProvider) {
544 if (config.useCRC32Intrinsics) {
545 Registration r = new Registration(plugins, CRC32.class, bytecodeProvider);
546 r.registerMethodSubstitution(CRC32Substitutions.class, "update", int.class, int.class);
547 if (Java8OrEarlier) {
548 r.registerMethodSubstitution(CRC32Substitutions.class, "updateBytes", int.class, byte[].class, int.class, int.class);
549 r.registerMethodSubstitution(CRC32Substitutions.class, "updateByteBuffer", int.class, long.class, int.class, int.class);
550 } else {
551 r.registerMethodSubstitution(CRC32Substitutions.class, "updateBytes0", int.class, byte[].class, int.class, int.class);
552 r.registerMethodSubstitution(CRC32Substitutions.class, "updateByteBuffer0", int.class, long.class, int.class, int.class);
553 }
554 }
555 }
556 }