1 /* 2 * Copyright (c) 2014, 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.test; 26 27 import java.lang.reflect.Method; 28 import java.util.ArrayList; 29 import java.util.Arrays; 30 import java.util.Collection; 31 import java.util.Collections; 32 import java.util.Formatter; 33 import java.util.List; 34 import java.util.ServiceLoader; 35 import java.util.Set; 36 import java.util.TreeSet; 37 import java.util.stream.Collectors; 38 39 import jdk.internal.vm.compiler.collections.EconomicMap; 40 import jdk.internal.vm.compiler.collections.MapCursor; 41 import org.graalvm.compiler.api.test.Graal; 42 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; 43 import org.graalvm.compiler.hotspot.HotSpotGraalRuntimeProvider; 44 import org.graalvm.compiler.hotspot.meta.HotSpotProviders; 45 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins; 46 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin; 47 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins; 48 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins.Binding; 49 import org.graalvm.compiler.runtime.RuntimeProvider; 50 import org.graalvm.compiler.serviceprovider.JavaVersionUtil; 51 import org.graalvm.compiler.test.GraalTest; 52 import org.junit.Test; 53 54 import jdk.vm.ci.aarch64.AArch64; 55 import jdk.vm.ci.amd64.AMD64; 56 import jdk.vm.ci.code.Architecture; 57 import jdk.vm.ci.hotspot.HotSpotVMConfigStore; 58 import jdk.vm.ci.hotspot.VMIntrinsicMethod; 59 import jdk.vm.ci.meta.MetaAccessProvider; 60 import jdk.vm.ci.meta.MetaUtil; 61 import jdk.vm.ci.meta.MethodHandleAccessProvider.IntrinsicMethod; 62 import jdk.vm.ci.meta.ResolvedJavaMethod; 63 64 /** 65 * Checks the intrinsics implemented by Graal against the set of intrinsics declared by HotSpot. The 66 * purpose of this test is to detect when new intrinsics are added to HotSpot and process them 67 * appropriately in Graal. This will be achieved by working through {@link #toBeInvestigated} and 68 * either implementing the intrinsic or moving it to {@link #ignore} . 69 */ 70 public class CheckGraalIntrinsics extends GraalTest { 71 72 public static boolean match(String type, Binding binding, VMIntrinsicMethod intrinsic) { 73 if (intrinsic.name.equals(binding.name)) { 74 if (intrinsic.descriptor.startsWith(binding.argumentsDescriptor)) { 75 if (type.equals(intrinsic.declaringClass)) { 76 return true; 77 } 78 } 79 } 80 return false; 81 } 82 83 public static InvocationPlugin findPlugin(EconomicMap<String, List<Binding>> bindings, VMIntrinsicMethod intrinsic) { 84 MapCursor<String, List<Binding>> cursor = bindings.getEntries(); 85 while (cursor.advance()) { 86 // Match format of VMIntrinsicMethod.declaringClass 87 String type = MetaUtil.internalNameToJava(cursor.getKey(), true, false).replace('.', '/'); 88 for (Binding binding : cursor.getValue()) { 89 if (match(type, binding, intrinsic)) { 90 return binding.plugin; 91 } 92 } 93 } 94 return null; 95 } 96 97 public static ResolvedJavaMethod resolveIntrinsic(MetaAccessProvider metaAccess, VMIntrinsicMethod intrinsic) throws ClassNotFoundException { 98 Class<?> c; 99 try { 100 c = Class.forName(intrinsic.declaringClass.replace('/', '.'), false, CheckGraalIntrinsics.class.getClassLoader()); 101 } catch (ClassNotFoundException ex) { 102 try { 103 Class.forName("javax.naming.Reference"); 104 } catch (ClassNotFoundException coreNamingMissing) { 105 // if core JDK classes aren't found, we are probably running in a 106 // JDK9 java.base environment and then missing class is OK 107 return null; 108 } 109 throw ex; 110 } 111 for (Method javaMethod : c.getDeclaredMethods()) { 112 if (javaMethod.getName().equals(intrinsic.name)) { 113 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(javaMethod); 114 if (intrinsic.descriptor.equals("*")) { 115 // Signature polymorphic method - name match is enough 116 return method; 117 } else { 118 if (method.getSignature().toMethodDescriptor().equals(intrinsic.descriptor)) { 119 return method; 120 } 121 } 122 } 123 } 124 return null; 125 } 126 127 /** 128 * The HotSpot intrinsics that: 129 * <ul> 130 * <li>will never implemented by Graal (comments must explain why)</li> 131 * <li>are implemented without {@link InvocationPlugin}s, or</li> 132 * <li>whose {@link InvocationPlugin} registration is guarded by a condition that is false in 133 * the current VM context.</li> 134 * </ul> 135 */ 136 public final Set<String> ignore = new TreeSet<>(); 137 138 /** 139 * The HotSpot intrinsics whose {@link InvocationPlugin} registration is guarded by a condition 140 * too complex to duplicate here. 141 * </ul> 142 */ 143 public final Set<String> complexGuard = new TreeSet<>(); 144 145 /** 146 * The HotSpot intrinsics implemented downstream. 147 * </ul> 148 */ 149 public final Set<String> downstream = new TreeSet<>(); 150 151 /** 152 * The HotSpot intrinsics yet to be implemented or moved to {@link #ignore}. 153 */ 154 public final Set<String> toBeInvestigated = new TreeSet<>(); 155 156 private static Collection<String> add(Collection<String> c, String... elements) { 157 String[] sorted = elements.clone(); 158 Arrays.sort(sorted); 159 for (int i = 0; i < elements.length; i++) { 160 if (!elements[i].equals(sorted[i])) { 161 // Let's keep the list sorted for easier visual inspection 162 fail("Element %d is out of order, \"%s\"", i, elements[i]); 163 } 164 } 165 c.addAll(Arrays.asList(elements)); 166 return c; 167 } 168 169 public final HotSpotGraalRuntimeProvider rt = (HotSpotGraalRuntimeProvider) Graal.getRequiredCapability(RuntimeProvider.class); 170 public final Architecture arch = rt.getHostBackend().getTarget().arch; 171 public final GraalHotSpotVMConfig config = rt.getVMConfig(); 172 173 public CheckGraalIntrinsics() { 174 // These are dead 175 add(ignore, 176 "java/lang/Math.atan2(DD)D", 177 "jdk/internal/misc/Unsafe.park(ZJ)V", 178 "jdk/internal/misc/Unsafe.unpark(Ljava/lang/Object;)V", 179 "sun/misc/Unsafe.park(ZJ)V", 180 "sun/misc/Unsafe.prefetchRead(Ljava/lang/Object;J)V", 181 "sun/misc/Unsafe.prefetchReadStatic(Ljava/lang/Object;J)V", 182 "sun/misc/Unsafe.prefetchWrite(Ljava/lang/Object;J)V", 183 "sun/misc/Unsafe.prefetchWriteStatic(Ljava/lang/Object;J)V", 184 "sun/misc/Unsafe.unpark(Ljava/lang/Object;)V"); 185 186 // These only exist to assist escape analysis in C2 187 add(ignore, 188 "java/lang/Throwable.fillInStackTrace()Ljava/lang/Throwable;"); 189 190 // These are only used for the security handling during stack walking 191 add(ignore, 192 "java/lang/reflect/Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;"); 193 194 // These are marker intrinsic ids only 195 add(ignore, 196 "java/lang/invoke/MethodHandle.<compiledLambdaForm>*", 197 "java/lang/invoke/MethodHandle.invoke*"); 198 199 // These are implemented through lowering 200 add(ignore, 201 "java/lang/ref/Reference.get()Ljava/lang/Object;"); 202 203 // These are only used by C1 204 add(ignore, 205 "java/nio/Buffer.checkIndex(I)I"); 206 207 // These do general compiler optimizations and convert min/max to cmov instructions. We are 208 // ignoring them as cmovs are not necessarily beneficial. 209 add(ignore, 210 "java/lang/Math.max(II)I", 211 "java/lang/Math.min(II)I"); 212 213 // These are known to be implemented down stream 214 add(downstream, 215 "java/lang/Integer.toString(I)Ljava/lang/String;", 216 "java/lang/String.<init>(Ljava/lang/String;)V", 217 "java/lang/StringBuffer.<init>()V", 218 "java/lang/StringBuffer.<init>(I)V", 219 "java/lang/StringBuffer.<init>(Ljava/lang/String;)V", 220 "java/lang/StringBuffer.append(C)Ljava/lang/StringBuffer;", 221 "java/lang/StringBuffer.append(I)Ljava/lang/StringBuffer;", 222 "java/lang/StringBuffer.append(Ljava/lang/String;)Ljava/lang/StringBuffer;", 223 "java/lang/StringBuffer.toString()Ljava/lang/String;", 224 "java/lang/StringBuilder.<init>()V", 225 "java/lang/StringBuilder.<init>(I)V", 226 "java/lang/StringBuilder.<init>(Ljava/lang/String;)V", 227 "java/lang/StringBuilder.append(C)Ljava/lang/StringBuilder;", 228 "java/lang/StringBuilder.append(I)Ljava/lang/StringBuilder;", 229 "java/lang/StringBuilder.append(Ljava/lang/String;)Ljava/lang/StringBuilder;", 230 "java/lang/StringBuilder.toString()Ljava/lang/String;", 231 "java/util/Arrays.copyOf([Ljava/lang/Object;ILjava/lang/Class;)[Ljava/lang/Object;", 232 "java/util/Arrays.copyOfRange([Ljava/lang/Object;IILjava/lang/Class;)[Ljava/lang/Object;"); 233 234 add(complexGuard, 235 "java/lang/Integer.bitCount(I)I", 236 "java/lang/Integer.numberOfLeadingZeros(I)I", 237 "java/lang/Integer.numberOfTrailingZeros(I)I", 238 "java/lang/Long.bitCount(J)I", 239 "java/lang/Long.numberOfLeadingZeros(J)I", 240 "java/lang/Long.numberOfTrailingZeros(J)I"); 241 242 // Relevant for Java flight recorder 243 add(toBeInvestigated, 244 "oracle/jrockit/jfr/Timing.counterTime()J", 245 "oracle/jrockit/jfr/VMJFR.classID0(Ljava/lang/Class;)J", 246 "oracle/jrockit/jfr/VMJFR.threadID()I"); 247 248 add(toBeInvestigated, 249 // Similar to addExact 250 "java/lang/Math.negateExact(I)I", 251 // Similar to addExact 252 "java/lang/Math.negateExact(J)J", 253 // HotSpot MacroAssembler-based intrinsic 254 "java/lang/String.indexOf(Ljava/lang/String;)I", 255 // Can share most implementation parts with with 256 // Unsafe.allocateUninitializedArray0 257 "java/lang/reflect/Array.newArray(Ljava/lang/Class;I)Ljava/lang/Object;", 258 // HotSpot MacroAssembler-based intrinsic 259 "sun/nio/cs/ISO_8859_1$Encoder.encodeISOArray([CI[BII)I", 260 // We have implemented implCompressMultiBlock0 on JDK9+. Does it worth 261 // backporting as corresponding HotSpot stubs are only generated on SPARC? 262 "sun/security/provider/DigestBase.implCompressMultiBlock([BII)I"); 263 264 // See JDK-8207146. 265 String oopName = isJDK12OrHigher() ? "Reference" : "Object"; 266 267 if (isJDK9OrHigher()) { 268 // Relevant for Java flight recorder 269 add(toBeInvestigated, 270 "jdk/jfr/internal/JVM.counterTime()J", 271 "jdk/jfr/internal/JVM.getBufferWriter()Ljava/lang/Object;", 272 "jdk/jfr/internal/JVM.getClassId(Ljava/lang/Class;)J"); 273 274 add(toBeInvestigated, 275 // HotSpot MacroAssembler-based intrinsic 276 "java/lang/Math.fma(DDD)D", 277 // HotSpot MacroAssembler-based intrinsic 278 "java/lang/Math.fma(FFF)F", 279 // Just check if the argument is a compile time constant 280 "java/lang/invoke/MethodHandleImpl.isCompileConstant(Ljava/lang/Object;)Z", 281 // Only used as a marker for vectorization? 282 "java/util/stream/Streams$RangeIntSpliterator.forEachRemaining(Ljava/util/function/IntConsumer;)V", 283 // Only implemented on non-AMD64 platforms (some logic and runtime call) 284 "java/util/zip/Adler32.updateByteBuffer(IJII)I", 285 // Only implemented on non-AMD64 platforms (some logic and runtime call) 286 "java/util/zip/Adler32.updateBytes(I[BII)I", 287 // Emits a slow and a fast path and some dispatching logic 288 "jdk/internal/misc/Unsafe.allocateUninitializedArray0(Ljava/lang/Class;I)Ljava/lang/Object;", 289 290 // Control flow, deopts, and a cast 291 "jdk/internal/util/Preconditions.checkIndex(IILjava/util/function/BiFunction;)I", 292 // HotSpot MacroAssembler-based intrinsic 293 "sun/nio/cs/ISO_8859_1$Encoder.implEncodeISOArray([CI[BII)I"); 294 295 /* 296 * Per default, all these operations are mapped to some generic method for which we 297 * already have compiler intrinsics. Performance-wise it would be better to support them 298 * explicitly as the more generic method might be more restrictive and therefore slower 299 * than necessary. 300 */ 301 302 add(toBeInvestigated, 303 // Mapped to compareAndExchange* 304 "jdk/internal/misc/Unsafe.compareAndExchangeByteAcquire(Ljava/lang/Object;JBB)B", 305 "jdk/internal/misc/Unsafe.compareAndExchangeByteRelease(Ljava/lang/Object;JBB)B", 306 "jdk/internal/misc/Unsafe.compareAndExchangeIntAcquire(Ljava/lang/Object;JII)I", 307 "jdk/internal/misc/Unsafe.compareAndExchangeIntRelease(Ljava/lang/Object;JII)I", 308 "jdk/internal/misc/Unsafe.compareAndExchangeLongAcquire(Ljava/lang/Object;JJJ)J", 309 "jdk/internal/misc/Unsafe.compareAndExchangeLongRelease(Ljava/lang/Object;JJJ)J", 310 "jdk/internal/misc/Unsafe.compareAndExchange" + oopName + "Acquire(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", 311 "jdk/internal/misc/Unsafe.compareAndExchange" + oopName + "Release(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", 312 "jdk/internal/misc/Unsafe.compareAndExchangeShortAcquire(Ljava/lang/Object;JSS)S", 313 "jdk/internal/misc/Unsafe.compareAndExchangeShortRelease(Ljava/lang/Object;JSS)S", 314 315 // Mapped to compareAndSet* 316 "jdk/internal/misc/Unsafe.weakCompareAndSetByte(Ljava/lang/Object;JBB)Z", 317 "jdk/internal/misc/Unsafe.weakCompareAndSetByteAcquire(Ljava/lang/Object;JBB)Z", 318 "jdk/internal/misc/Unsafe.weakCompareAndSetBytePlain(Ljava/lang/Object;JBB)Z", 319 "jdk/internal/misc/Unsafe.weakCompareAndSetByteRelease(Ljava/lang/Object;JBB)Z", 320 "jdk/internal/misc/Unsafe.weakCompareAndSetInt(Ljava/lang/Object;JII)Z", 321 "jdk/internal/misc/Unsafe.weakCompareAndSetIntAcquire(Ljava/lang/Object;JII)Z", 322 "jdk/internal/misc/Unsafe.weakCompareAndSetIntPlain(Ljava/lang/Object;JII)Z", 323 "jdk/internal/misc/Unsafe.weakCompareAndSetIntRelease(Ljava/lang/Object;JII)Z", 324 "jdk/internal/misc/Unsafe.weakCompareAndSetLong(Ljava/lang/Object;JJJ)Z", 325 "jdk/internal/misc/Unsafe.weakCompareAndSetLongAcquire(Ljava/lang/Object;JJJ)Z", 326 "jdk/internal/misc/Unsafe.weakCompareAndSetLongPlain(Ljava/lang/Object;JJJ)Z", 327 "jdk/internal/misc/Unsafe.weakCompareAndSetLongRelease(Ljava/lang/Object;JJJ)Z", 328 "jdk/internal/misc/Unsafe.weakCompareAndSet" + oopName + "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", 329 "jdk/internal/misc/Unsafe.weakCompareAndSet" + oopName + "Acquire(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", 330 "jdk/internal/misc/Unsafe.weakCompareAndSet" + oopName + "Plain(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", 331 "jdk/internal/misc/Unsafe.weakCompareAndSet" + oopName + "Release(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", 332 "jdk/internal/misc/Unsafe.weakCompareAndSetShort(Ljava/lang/Object;JSS)Z", 333 "jdk/internal/misc/Unsafe.weakCompareAndSetShortAcquire(Ljava/lang/Object;JSS)Z", 334 "jdk/internal/misc/Unsafe.weakCompareAndSetShortPlain(Ljava/lang/Object;JSS)Z", 335 "jdk/internal/misc/Unsafe.weakCompareAndSetShortRelease(Ljava/lang/Object;JSS)Z"); 336 337 // Compact string support - HotSpot MacroAssembler-based intrinsic or complex C2 logic. 338 add(toBeInvestigated, 339 "java/lang/StringCoding.hasNegatives([BII)Z", 340 "java/lang/StringCoding.implEncodeISOArray([BI[BII)I"); 341 add(ignore, 342 // handled through an intrinsic for String.equals itself 343 "java/lang/StringLatin1.equals([B[B)Z", 344 345 // handled by an intrinsic for StringLatin1.indexOf([BI[BII)I 346 "java/lang/StringLatin1.indexOf([B[B)I", 347 348 // handled through an intrinsic for String.equals itself 349 "java/lang/StringUTF16.equals([B[B)Z", 350 351 // handled by an intrinsic for StringUTF16.indexOfUnsafe 352 "java/lang/StringUTF16.indexOf([BI[BII)I", 353 "java/lang/StringUTF16.indexOf([B[B)I", 354 355 // handled by an intrinsic for StringUTF16.indexOfCharUnsafe 356 "java/lang/StringUTF16.indexOfChar([BIII)I", 357 358 // handled by an intrinsic for StringUTF16.indexOfLatin1Unsafe 359 "java/lang/StringUTF16.indexOfLatin1([BI[BII)I", 360 "java/lang/StringUTF16.indexOfLatin1([B[B)I"); 361 362 if (!config.useAESCTRIntrinsics) { 363 add(ignore, 364 "com/sun/crypto/provider/CounterMode.implCrypt([BII[BI)I"); 365 } 366 if (!config.useGHASHIntrinsics()) { 367 add(ignore, 368 "com/sun/crypto/provider/GHASH.processBlocks([BII[J[J)V"); 369 } 370 if (!(config.useSHA1Intrinsics() || config.useSHA256Intrinsics() || config.useSHA512Intrinsics())) { 371 add(ignore, 372 "sun/security/provider/DigestBase.implCompressMultiBlock0([BII)I"); 373 } 374 } 375 376 if (isJDK10OrHigher()) { 377 add(toBeInvestigated, 378 "java/lang/Math.multiplyHigh(JJ)J"); 379 } 380 381 if (isJDK11OrHigher()) { 382 // Relevant for Java flight recorder 383 add(toBeInvestigated, 384 "jdk/jfr/internal/JVM.getEventWriter()Ljava/lang/Object;"); 385 if (!config.useBase64Intrinsics()) { 386 add(ignore, 387 "java/util/Base64$Encoder.encodeBlock([BII[BIZ)V"); 388 } 389 } 390 391 if (isJDK12OrHigher()) { 392 add(toBeInvestigated, 393 "java/lang/CharacterDataLatin1.isDigit(I)Z", 394 "java/lang/CharacterDataLatin1.isLowerCase(I)Z", 395 "java/lang/CharacterDataLatin1.isUpperCase(I)Z", 396 "java/lang/CharacterDataLatin1.isWhitespace(I)Z"); 397 } 398 399 if (isJDK13OrHigher()) { 400 add(toBeInvestigated, 401 "java/lang/Math.max(DD)D", 402 "java/lang/Math.max(FF)F", 403 "java/lang/Math.min(DD)D", 404 "java/lang/Math.min(FF)F"); 405 } 406 407 if (!config.inlineNotify()) { 408 add(ignore, "java/lang/Object.notify()V"); 409 } 410 if (!config.inlineNotifyAll()) { 411 add(ignore, "java/lang/Object.notifyAll()V"); 412 } 413 414 if (!(arch instanceof AMD64)) { 415 // Can we implement these on non-AMD64 platforms? C2 seems to. 416 add(toBeInvestigated, 417 "java/lang/String.compareTo(Ljava/lang/String;)I", 418 "java/lang/StringLatin1.indexOf([B[B)I", 419 "java/lang/StringLatin1.inflate([BI[BII)V", 420 "java/lang/StringLatin1.inflate([BI[CII)V", 421 "java/lang/StringUTF16.compress([BI[BII)I", 422 "java/lang/StringUTF16.compress([CI[BII)I", 423 "java/lang/StringUTF16.indexOf([BI[BII)I", 424 "java/lang/StringUTF16.indexOf([B[B)I", 425 "java/lang/StringUTF16.indexOfChar([BIII)I", 426 "java/lang/StringUTF16.indexOfLatin1([BI[BII)I", 427 "java/lang/StringUTF16.indexOfLatin1([B[B)I", 428 "jdk/internal/misc/Unsafe.compareAndExchangeByte(Ljava/lang/Object;JBB)B", 429 "jdk/internal/misc/Unsafe.compareAndExchangeShort(Ljava/lang/Object;JSS)S", 430 "jdk/internal/misc/Unsafe.compareAndSetByte(Ljava/lang/Object;JBB)Z", 431 "jdk/internal/misc/Unsafe.compareAndSetShort(Ljava/lang/Object;JSS)Z", 432 "jdk/internal/misc/Unsafe.getAndAddByte(Ljava/lang/Object;JB)B", 433 "jdk/internal/misc/Unsafe.getAndAddShort(Ljava/lang/Object;JS)S", 434 "jdk/internal/misc/Unsafe.getAndSetByte(Ljava/lang/Object;JB)B", 435 "jdk/internal/misc/Unsafe.getAndSetShort(Ljava/lang/Object;JS)S", 436 "sun/misc/Unsafe.getAndAddInt(Ljava/lang/Object;JI)I", 437 "sun/misc/Unsafe.getAndAddLong(Ljava/lang/Object;JJ)J", 438 "sun/misc/Unsafe.getAndSetInt(Ljava/lang/Object;JI)I", 439 "sun/misc/Unsafe.getAndSetLong(Ljava/lang/Object;JJ)J", 440 "sun/misc/Unsafe.getAndSet" + oopName + "(Ljava/lang/Object;JLjava/lang/Object;)Ljava/lang/Object;"); 441 442 if (isJDK9OrHigher()) { 443 if (!(arch instanceof AArch64)) { 444 add(toBeInvestigated, 445 "java/lang/StringLatin1.compareTo([B[B)I", 446 "java/lang/StringLatin1.compareToUTF16([B[B)I", 447 "java/lang/StringUTF16.compareTo([B[B)I", 448 "java/lang/StringUTF16.compareToLatin1([B[B)I", 449 "jdk/internal/misc/Unsafe.getAndAddInt(Ljava/lang/Object;JI)I", 450 "jdk/internal/misc/Unsafe.getAndAddLong(Ljava/lang/Object;JJ)J", 451 "jdk/internal/misc/Unsafe.getAndSetInt(Ljava/lang/Object;JI)I", 452 "jdk/internal/misc/Unsafe.getAndSetLong(Ljava/lang/Object;JJ)J", 453 "jdk/internal/misc/Unsafe.getAndSet" + oopName + "(Ljava/lang/Object;JLjava/lang/Object;)Ljava/lang/Object;"); 454 } 455 add(toBeInvestigated, 456 "com/sun/crypto/provider/CounterMode.implCrypt([BII[BI)I", 457 "java/lang/Thread.onSpinWait()V", 458 "java/util/ArraysSupport.vectorizedMismatch(Ljava/lang/Object;JLjava/lang/Object;JII)I", 459 "jdk/internal/misc/Unsafe.getCharUnaligned(Ljava/lang/Object;J)C", 460 "jdk/internal/misc/Unsafe.getIntUnaligned(Ljava/lang/Object;J)I", 461 "jdk/internal/misc/Unsafe.getLongUnaligned(Ljava/lang/Object;J)J", 462 "jdk/internal/misc/Unsafe.getShortUnaligned(Ljava/lang/Object;J)S", 463 "jdk/internal/misc/Unsafe.putCharUnaligned(Ljava/lang/Object;JC)V", 464 "jdk/internal/misc/Unsafe.putIntUnaligned(Ljava/lang/Object;JI)V", 465 "jdk/internal/misc/Unsafe.putLongUnaligned(Ljava/lang/Object;JJ)V", 466 "jdk/internal/misc/Unsafe.putShortUnaligned(Ljava/lang/Object;JS)V"); 467 } 468 if (isJDK10OrHigher()) { 469 add(toBeInvestigated, 470 "jdk/internal/util/ArraysSupport.vectorizedMismatch(Ljava/lang/Object;JLjava/lang/Object;JII)I"); 471 } 472 } 473 474 /* 475 * The intrinsics down here are known to be implemented but they are not always enabled on 476 * the HotSpot side (e.g., because they require certain CPU features). So, we are ignoring 477 * them if the HotSpot config tells us that they can't be used. 478 */ 479 480 // CRC32 intrinsics 481 if (!config.useCRC32Intrinsics) { 482 add(ignore, "java/util/zip/CRC32.update(II)I"); 483 if (isJDK9OrHigher()) { 484 add(ignore, 485 "java/util/zip/CRC32.updateByteBuffer0(IJII)I", 486 "java/util/zip/CRC32.updateBytes0(I[BII)I"); 487 } else { 488 add(ignore, 489 "java/util/zip/CRC32.updateByteBuffer(IJII)I", 490 "java/util/zip/CRC32.updateBytes(I[BII)I"); 491 } 492 } 493 494 // CRC32C intrinsics 495 if (!config.useCRC32CIntrinsics) { 496 add(ignore, 497 "java/util/zip/CRC32C.updateBytes(I[BII)I", 498 "java/util/zip/CRC32C.updateDirectByteBuffer(IJII)I"); 499 } 500 501 // AES intrinsics 502 if (!config.useAESIntrinsics) { 503 if (isJDK9OrHigher()) { 504 add(ignore, 505 "com/sun/crypto/provider/AESCrypt.implDecryptBlock([BI[BI)V", 506 "com/sun/crypto/provider/AESCrypt.implEncryptBlock([BI[BI)V", 507 "com/sun/crypto/provider/CipherBlockChaining.implDecrypt([BII[BI)I", 508 "com/sun/crypto/provider/CipherBlockChaining.implEncrypt([BII[BI)I"); 509 } else { 510 add(ignore, 511 "com/sun/crypto/provider/AESCrypt.decryptBlock([BI[BI)V", 512 "com/sun/crypto/provider/AESCrypt.encryptBlock([BI[BI)V", 513 "com/sun/crypto/provider/CipherBlockChaining.decrypt([BII[BI)I", 514 "com/sun/crypto/provider/CipherBlockChaining.encrypt([BII[BI)I"); 515 } 516 } 517 518 // BigInteger intrinsics 519 if (!config.useMultiplyToLenIntrinsic()) { 520 if (isJDK9OrHigher()) { 521 add(ignore, "java/math/BigInteger.implMultiplyToLen([II[II[I)[I"); 522 } else { 523 add(ignore, "java/math/BigInteger.multiplyToLen([II[II[I)[I"); 524 } 525 } 526 if (!config.useMulAddIntrinsic()) { 527 add(ignore, "java/math/BigInteger.implMulAdd([I[IIII)I"); 528 } 529 if (!config.useMontgomeryMultiplyIntrinsic()) { 530 add(ignore, "java/math/BigInteger.implMontgomeryMultiply([I[I[IIJ[I)[I"); 531 } 532 if (!config.useMontgomerySquareIntrinsic()) { 533 add(ignore, "java/math/BigInteger.implMontgomerySquare([I[IIJ[I)[I"); 534 } 535 if (!config.useSquareToLenIntrinsic()) { 536 add(ignore, "java/math/BigInteger.implSquareToLen([II[II)[I"); 537 } 538 539 // SHA intrinsics 540 if (!config.useSHA1Intrinsics()) { 541 if (isJDK9OrHigher()) { 542 add(ignore, "sun/security/provider/SHA.implCompress0([BI)V"); 543 } else { 544 add(ignore, "sun/security/provider/SHA.implCompress([BI)V"); 545 } 546 } 547 if (!config.useSHA256Intrinsics()) { 548 if (isJDK9OrHigher()) { 549 add(ignore, "sun/security/provider/SHA2.implCompress0([BI)V"); 550 } else { 551 add(ignore, "sun/security/provider/SHA2.implCompress([BI)V"); 552 } 553 } 554 if (!config.useSHA512Intrinsics()) { 555 if (isJDK9OrHigher()) { 556 add(ignore, "sun/security/provider/SHA5.implCompress0([BI)V"); 557 } else { 558 add(ignore, "sun/security/provider/SHA5.implCompress([BI)V"); 559 } 560 } 561 } 562 563 private static boolean isJDK9OrHigher() { 564 return JavaVersionUtil.JAVA_SPECIFICATION_VERSION >= 9; 565 } 566 567 private static boolean isJDK10OrHigher() { 568 return JavaVersionUtil.JAVA_SPECIFICATION_VERSION >= 10; 569 } 570 571 private static boolean isJDK11OrHigher() { 572 return JavaVersionUtil.JAVA_SPECIFICATION_VERSION >= 11; 573 } 574 575 private static boolean isJDK12OrHigher() { 576 return JavaVersionUtil.JAVA_SPECIFICATION_VERSION >= 12; 577 } 578 579 private static boolean isJDK13OrHigher() { 580 return JavaVersionUtil.JAVA_SPECIFICATION_VERSION >= 13; 581 } 582 583 public interface Refiner { 584 void refine(CheckGraalIntrinsics checker); 585 } 586 587 @Test 588 @SuppressWarnings("try") 589 public void test() throws ClassNotFoundException { 590 HotSpotProviders providers = rt.getHostBackend().getProviders(); 591 Plugins graphBuilderPlugins = providers.getGraphBuilderPlugins(); 592 InvocationPlugins invocationPlugins = graphBuilderPlugins.getInvocationPlugins(); 593 594 HotSpotVMConfigStore store = config.getStore(); 595 List<VMIntrinsicMethod> intrinsics = store.getIntrinsics(); 596 597 for (Refiner refiner : ServiceLoader.load(Refiner.class)) { 598 refiner.refine(this); 599 } 600 601 List<String> missing = new ArrayList<>(); 602 List<String> mischaracterizedAsToBeInvestigated = new ArrayList<>(); 603 List<String> mischaracterizedAsIgnored = new ArrayList<>(); 604 EconomicMap<String, List<Binding>> bindings = invocationPlugins.getBindings(true); 605 for (VMIntrinsicMethod intrinsic : intrinsics) { 606 InvocationPlugin plugin = findPlugin(bindings, intrinsic); 607 String m = String.format("%s.%s%s", intrinsic.declaringClass, intrinsic.name, intrinsic.descriptor); 608 if (plugin == null) { 609 ResolvedJavaMethod method = resolveIntrinsic(providers.getMetaAccess(), intrinsic); 610 if (method != null) { 611 IntrinsicMethod intrinsicMethod = providers.getConstantReflection().getMethodHandleAccess().lookupMethodHandleIntrinsic(method); 612 if (intrinsicMethod != null) { 613 continue; 614 } 615 } 616 if (!toBeInvestigated.contains(m) && !ignore.contains(m) && !complexGuard.contains(m) && !downstream.contains(m)) { 617 missing.add(m); 618 } 619 } else { 620 if (toBeInvestigated.contains(m)) { 621 mischaracterizedAsToBeInvestigated.add(m); 622 } else if (ignore.contains(m)) { 623 mischaracterizedAsIgnored.add(m); 624 } 625 } 626 } 627 628 Formatter errorMsgBuf = new Formatter(); 629 if (!missing.isEmpty()) { 630 Collections.sort(missing); 631 String missingString = missing.stream().collect(Collectors.joining(String.format("%n "))); 632 errorMsgBuf.format("missing Graal intrinsics for:%n %s%n", missingString); 633 } 634 if (!mischaracterizedAsToBeInvestigated.isEmpty()) { 635 Collections.sort(mischaracterizedAsToBeInvestigated); 636 String missingString = mischaracterizedAsToBeInvestigated.stream().collect(Collectors.joining(String.format("%n "))); 637 errorMsgBuf.format("found plugins for intrinsics characterized as toBeInvestigated:%n %s%n", missingString); 638 } 639 if (!mischaracterizedAsIgnored.isEmpty()) { 640 Collections.sort(mischaracterizedAsIgnored); 641 String missingString = mischaracterizedAsIgnored.stream().collect(Collectors.joining(String.format("%n "))); 642 errorMsgBuf.format("found plugins for intrinsics characterized as IGNORED:%n %s%n", missingString); 643 } 644 String errorMsg = errorMsgBuf.toString(); 645 if (!errorMsg.isEmpty()) { 646 fail(errorMsg); 647 } 648 } 649 }