1 /* 2 * Copyright (c) 2014, 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 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.GraalServices; 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$Encoder.encodeISOArray([CI[BII)I", 260 // Stub based intrinsics but implementation seems complex in C2 261 "sun/security/provider/DigestBase.implCompressMultiBlock([BII)I"); 262 263 if (isJDK9OrHigher()) { 264 // Relevant for Java flight recorder 265 add(toBeInvestigated, 266 "jdk/jfr/internal/JVM.counterTime()J", 267 "jdk/jfr/internal/JVM.getBufferWriter()Ljava/lang/Object;", 268 "jdk/jfr/internal/JVM.getClassId(Ljava/lang/Class;)J"); 269 270 add(toBeInvestigated, 271 // Some logic and a stub call 272 "com/sun/crypto/provider/CounterMode.implCrypt([BII[BI)I", 273 // Stub and very little logic 274 "com/sun/crypto/provider/GHASH.processBlocks([BII[J[J)V", 275 // HotSpot MacroAssembler-based intrinsic 276 "java/lang/Math.fma(DDD)D", 277 // HotSpot MacroAssembler-based intrinsic 278 "java/lang/Math.fma(FFF)F", 279 // Emit pause instruction if os::is_MP() 280 "java/lang/Thread.onSpinWait()V", 281 // Just check if the argument is a compile time constant 282 "java/lang/invoke/MethodHandleImpl.isCompileConstant(Ljava/lang/Object;)Z", 283 // Some logic and a runtime call 284 "java/util/ArraysSupport.vectorizedMismatch(Ljava/lang/Object;JLjava/lang/Object;JII)I", 285 // Only used as a marker for vectorization? 286 "java/util/stream/Streams$RangeIntSpliterator.forEachRemaining(Ljava/util/function/IntConsumer;)V", 287 // Only implemented on non-AMD64 platforms (some logic and runtime call) 288 "java/util/zip/Adler32.updateByteBuffer(IJII)I", 289 // Only implemented on non-AMD64 platforms (some logic and runtime call) 290 "java/util/zip/Adler32.updateBytes(I[BII)I", 291 // Emits a slow and a fast path and some dispatching logic 292 "jdk/internal/misc/Unsafe.allocateUninitializedArray0(Ljava/lang/Class;I)Ljava/lang/Object;", 293 294 // Control flow, deopts, and a cast 295 "jdk/internal/util/Preconditions.checkIndex(IILjava/util/function/BiFunction;)I", 296 // HotSpot MacroAssembler-based intrinsic 297 "sun/nio/cs/ISO_8859_1$Encoder.implEncodeISOArray([CI[BII)I", 298 // Runtime call and some complex compiler logic 299 "sun/security/provider/DigestBase.implCompressMultiBlock0([BII)I"); 300 301 /* 302 * Per default, all these operations are mapped to some generic method for which we 303 * already have compiler intrinsics. Performance-wise it would be better to support them 304 * explicitly as the more generic method might be more restrictive and therefore slower 305 * than necessary. 306 */ 307 add(toBeInvestigated, 308 // Mapped to compareAndExchange* 309 "jdk/internal/misc/Unsafe.compareAndExchangeByteAcquire(Ljava/lang/Object;JBB)B", 310 "jdk/internal/misc/Unsafe.compareAndExchangeByteRelease(Ljava/lang/Object;JBB)B", 311 "jdk/internal/misc/Unsafe.compareAndExchangeIntAcquire(Ljava/lang/Object;JII)I", 312 "jdk/internal/misc/Unsafe.compareAndExchangeIntRelease(Ljava/lang/Object;JII)I", 313 "jdk/internal/misc/Unsafe.compareAndExchangeLongAcquire(Ljava/lang/Object;JJJ)J", 314 "jdk/internal/misc/Unsafe.compareAndExchangeLongRelease(Ljava/lang/Object;JJJ)J", 315 "jdk/internal/misc/Unsafe.compareAndExchangeReferenceAcquire(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", 316 "jdk/internal/misc/Unsafe.compareAndExchangeReferenceRelease(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", 317 "jdk/internal/misc/Unsafe.compareAndExchangeShortAcquire(Ljava/lang/Object;JSS)S", 318 "jdk/internal/misc/Unsafe.compareAndExchangeShortRelease(Ljava/lang/Object;JSS)S", 319 320 // Mapped to compareAndSet* 321 "jdk/internal/misc/Unsafe.weakCompareAndSetByte(Ljava/lang/Object;JBB)Z", 322 "jdk/internal/misc/Unsafe.weakCompareAndSetByteAcquire(Ljava/lang/Object;JBB)Z", 323 "jdk/internal/misc/Unsafe.weakCompareAndSetBytePlain(Ljava/lang/Object;JBB)Z", 324 "jdk/internal/misc/Unsafe.weakCompareAndSetByteRelease(Ljava/lang/Object;JBB)Z", 325 "jdk/internal/misc/Unsafe.weakCompareAndSetInt(Ljava/lang/Object;JII)Z", 326 "jdk/internal/misc/Unsafe.weakCompareAndSetIntAcquire(Ljava/lang/Object;JII)Z", 327 "jdk/internal/misc/Unsafe.weakCompareAndSetIntPlain(Ljava/lang/Object;JII)Z", 328 "jdk/internal/misc/Unsafe.weakCompareAndSetIntRelease(Ljava/lang/Object;JII)Z", 329 "jdk/internal/misc/Unsafe.weakCompareAndSetLong(Ljava/lang/Object;JJJ)Z", 330 "jdk/internal/misc/Unsafe.weakCompareAndSetLongAcquire(Ljava/lang/Object;JJJ)Z", 331 "jdk/internal/misc/Unsafe.weakCompareAndSetLongPlain(Ljava/lang/Object;JJJ)Z", 332 "jdk/internal/misc/Unsafe.weakCompareAndSetLongRelease(Ljava/lang/Object;JJJ)Z", 333 "jdk/internal/misc/Unsafe.weakCompareAndSetReference(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", 334 "jdk/internal/misc/Unsafe.weakCompareAndSetReferenceAcquire(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", 335 "jdk/internal/misc/Unsafe.weakCompareAndSetReferencePlain(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", 336 "jdk/internal/misc/Unsafe.weakCompareAndSetReferenceRelease(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z", 337 "jdk/internal/misc/Unsafe.weakCompareAndSetShort(Ljava/lang/Object;JSS)Z", 338 "jdk/internal/misc/Unsafe.weakCompareAndSetShortAcquire(Ljava/lang/Object;JSS)Z", 339 "jdk/internal/misc/Unsafe.weakCompareAndSetShortPlain(Ljava/lang/Object;JSS)Z", 340 "jdk/internal/misc/Unsafe.weakCompareAndSetShortRelease(Ljava/lang/Object;JSS)Z"); 341 342 // Compact string support - HotSpot MacroAssembler-based intrinsic or complex C2 logic. 343 add(toBeInvestigated, 344 "java/lang/StringCoding.hasNegatives([BII)Z", 345 "java/lang/StringCoding.implEncodeISOArray([BI[BII)I", 346 "java/lang/StringLatin1.indexOf([B[B)I", 347 "java/lang/StringLatin1.inflate([BI[BII)V", 348 "java/lang/StringLatin1.inflate([BI[CII)V", 349 "java/lang/StringUTF16.compress([BI[BII)I", 350 "java/lang/StringUTF16.compress([CI[BII)I", 351 "java/lang/StringUTF16.getChar([BI)C", 352 "java/lang/StringUTF16.getChars([BII[CI)V", 353 "java/lang/StringUTF16.indexOf([BI[BII)I", 354 "java/lang/StringUTF16.indexOf([B[B)I", 355 "java/lang/StringUTF16.indexOfChar([BIII)I", 356 "java/lang/StringUTF16.indexOfLatin1([BI[BII)I", 357 "java/lang/StringUTF16.indexOfLatin1([B[B)I", 358 "java/lang/StringUTF16.putChar([BII)V", 359 "java/lang/StringUTF16.toBytes([CII)[B"); 360 // These are handled through an intrinsic for String.equals itself 361 add(ignore, 362 "java/lang/StringLatin1.equals([B[B)Z", 363 "java/lang/StringUTF16.equals([B[B)Z"); 364 } 365 366 if (isJDK10OrHigher()) { 367 add(toBeInvestigated, 368 "java/lang/Math.multiplyHigh(JJ)J", 369 "jdk/internal/util/ArraysSupport.vectorizedMismatch(Ljava/lang/Object;JLjava/lang/Object;JII)I"); 370 } 371 372 if (isJDK11OrHigher()) { 373 // Relevant for Java flight recorder 374 add(toBeInvestigated, 375 "java/util/Base64$Encoder.encodeBlock([BII[BIZ)V", 376 "jdk/jfr/internal/JVM.getEventWriter()Ljava/lang/Object;"); 377 } 378 379 if (!config.inlineNotify()) { 380 add(ignore, "java/lang/Object.notify()V"); 381 } 382 if (!config.inlineNotifyAll()) { 383 add(ignore, "java/lang/Object.notifyAll()V"); 384 } 385 386 if (!(arch instanceof AMD64)) { 387 // Can we implement these on non-AMD64 platforms? C2 seems to. 388 add(toBeInvestigated, 389 "java/lang/String.compareTo(Ljava/lang/String;)I", 390 "jdk/internal/misc/Unsafe.compareAndExchangeByte(Ljava/lang/Object;JBB)B", 391 "jdk/internal/misc/Unsafe.compareAndExchangeShort(Ljava/lang/Object;JSS)S", 392 "jdk/internal/misc/Unsafe.compareAndSetByte(Ljava/lang/Object;JBB)Z", 393 "jdk/internal/misc/Unsafe.compareAndSetShort(Ljava/lang/Object;JSS)Z", 394 "jdk/internal/misc/Unsafe.getAndAddByte(Ljava/lang/Object;JB)B", 395 "jdk/internal/misc/Unsafe.getAndAddShort(Ljava/lang/Object;JS)S", 396 "jdk/internal/misc/Unsafe.getAndSetByte(Ljava/lang/Object;JB)B", 397 "jdk/internal/misc/Unsafe.getAndSetShort(Ljava/lang/Object;JS)S", 398 "sun/misc/Unsafe.getAndAddInt(Ljava/lang/Object;JI)I", 399 "sun/misc/Unsafe.getAndAddLong(Ljava/lang/Object;JJ)J", 400 "sun/misc/Unsafe.getAndSetInt(Ljava/lang/Object;JI)I", 401 "sun/misc/Unsafe.getAndSetLong(Ljava/lang/Object;JJ)J", 402 "sun/misc/Unsafe.getAndSetReference(Ljava/lang/Object;JLjava/lang/Object;)Ljava/lang/Object;"); 403 404 if (isJDK9OrHigher()) { 405 if (!(arch instanceof AArch64)) { 406 add(toBeInvestigated, 407 "java/lang/StringLatin1.compareTo([B[B)I", 408 "java/lang/StringLatin1.compareToUTF16([B[B)I", 409 "java/lang/StringUTF16.compareTo([B[B)I", 410 "java/lang/StringUTF16.compareToLatin1([B[B)I", 411 "jdk/internal/misc/Unsafe.getAndAddInt(Ljava/lang/Object;JI)I", 412 "jdk/internal/misc/Unsafe.getAndAddLong(Ljava/lang/Object;JJ)J", 413 "jdk/internal/misc/Unsafe.getAndSetInt(Ljava/lang/Object;JI)I", 414 "jdk/internal/misc/Unsafe.getAndSetLong(Ljava/lang/Object;JJ)J", 415 "jdk/internal/misc/Unsafe.getAndSetReference(Ljava/lang/Object;JLjava/lang/Object;)Ljava/lang/Object;"); 416 } 417 add(toBeInvestigated, 418 "jdk/internal/misc/Unsafe.getCharUnaligned(Ljava/lang/Object;J)C", 419 "jdk/internal/misc/Unsafe.getIntUnaligned(Ljava/lang/Object;J)I", 420 "jdk/internal/misc/Unsafe.getLongUnaligned(Ljava/lang/Object;J)J", 421 "jdk/internal/misc/Unsafe.getShortUnaligned(Ljava/lang/Object;J)S", 422 "jdk/internal/misc/Unsafe.putCharUnaligned(Ljava/lang/Object;JC)V", 423 "jdk/internal/misc/Unsafe.putIntUnaligned(Ljava/lang/Object;JI)V", 424 "jdk/internal/misc/Unsafe.putLongUnaligned(Ljava/lang/Object;JJ)V", 425 "jdk/internal/misc/Unsafe.putShortUnaligned(Ljava/lang/Object;JS)V"); 426 } 427 } 428 429 /* 430 * The intrinsics down here are known to be implemented but they are not always enabled on 431 * the HotSpot side (e.g., because they require certain CPU features). So, we are ignoring 432 * them if the HotSpot config tells us that they can't be used. 433 */ 434 435 // CRC32 intrinsics 436 if (!config.useCRC32Intrinsics) { 437 add(ignore, "java/util/zip/CRC32.update(II)I"); 438 if (isJDK9OrHigher()) { 439 add(ignore, 440 "java/util/zip/CRC32.updateByteBuffer0(IJII)I", 441 "java/util/zip/CRC32.updateBytes0(I[BII)I"); 442 } else { 443 add(ignore, 444 "java/util/zip/CRC32.updateByteBuffer(IJII)I", 445 "java/util/zip/CRC32.updateBytes(I[BII)I"); 446 } 447 } 448 449 // CRC32C intrinsics 450 if (!config.useCRC32CIntrinsics) { 451 add(ignore, 452 "java/util/zip/CRC32C.updateBytes(I[BII)I", 453 "java/util/zip/CRC32C.updateDirectByteBuffer(IJII)I"); 454 } 455 456 // AES intrinsics 457 if (!config.useAESIntrinsics) { 458 if (isJDK9OrHigher()) { 459 add(ignore, 460 "com/sun/crypto/provider/AESCrypt.implDecryptBlock([BI[BI)V", 461 "com/sun/crypto/provider/AESCrypt.implEncryptBlock([BI[BI)V", 462 "com/sun/crypto/provider/CipherBlockChaining.implDecrypt([BII[BI)I", 463 "com/sun/crypto/provider/CipherBlockChaining.implEncrypt([BII[BI)I"); 464 } else { 465 add(ignore, 466 "com/sun/crypto/provider/AESCrypt.decryptBlock([BI[BI)V", 467 "com/sun/crypto/provider/AESCrypt.encryptBlock([BI[BI)V", 468 "com/sun/crypto/provider/CipherBlockChaining.decrypt([BII[BI)I", 469 "com/sun/crypto/provider/CipherBlockChaining.encrypt([BII[BI)I"); 470 } 471 } 472 473 // BigInteger intrinsics 474 if (!config.useMultiplyToLenIntrinsic()) { 475 if (isJDK9OrHigher()) { 476 add(ignore, "java/math/BigInteger.implMultiplyToLen([II[II[I)[I"); 477 } else { 478 add(ignore, "java/math/BigInteger.multiplyToLen([II[II[I)[I"); 479 } 480 } 481 if (!config.useMulAddIntrinsic()) { 482 add(ignore, "java/math/BigInteger.implMulAdd([I[IIII)I"); 483 } 484 if (!config.useMontgomeryMultiplyIntrinsic()) { 485 add(ignore, "java/math/BigInteger.implMontgomeryMultiply([I[I[IIJ[I)[I"); 486 } 487 if (!config.useMontgomerySquareIntrinsic()) { 488 add(ignore, "java/math/BigInteger.implMontgomerySquare([I[IIJ[I)[I"); 489 } 490 if (!config.useSquareToLenIntrinsic()) { 491 add(ignore, "java/math/BigInteger.implSquareToLen([II[II)[I"); 492 } 493 494 // SHA intrinsics 495 if (!config.useSHA1Intrinsics()) { 496 if (isJDK9OrHigher()) { 497 add(ignore, "sun/security/provider/SHA.implCompress0([BI)V"); 498 } else { 499 add(ignore, "sun/security/provider/SHA.implCompress([BI)V"); 500 } 501 } 502 if (!config.useSHA256Intrinsics()) { 503 if (isJDK9OrHigher()) { 504 add(ignore, "sun/security/provider/SHA2.implCompress0([BI)V"); 505 } else { 506 add(ignore, "sun/security/provider/SHA2.implCompress([BI)V"); 507 } 508 } 509 if (!config.useSHA512Intrinsics()) { 510 if (isJDK9OrHigher()) { 511 add(ignore, "sun/security/provider/SHA5.implCompress0([BI)V"); 512 } else { 513 add(ignore, "sun/security/provider/SHA5.implCompress([BI)V"); 514 } 515 } 516 } 517 518 private static boolean isJDK9OrHigher() { 519 return GraalServices.JAVA_SPECIFICATION_VERSION >= 9; 520 } 521 522 private static boolean isJDK10OrHigher() { 523 return GraalServices.JAVA_SPECIFICATION_VERSION >= 10; 524 } 525 526 private static boolean isJDK11OrHigher() { 527 return GraalServices.JAVA_SPECIFICATION_VERSION >= 11; 528 } 529 530 public interface Refiner { 531 void refine(CheckGraalIntrinsics checker); 532 } 533 534 @Test 535 @SuppressWarnings("try") 536 public void test() throws ClassNotFoundException { 537 HotSpotProviders providers = rt.getHostBackend().getProviders(); 538 Plugins graphBuilderPlugins = providers.getGraphBuilderPlugins(); 539 InvocationPlugins invocationPlugins = graphBuilderPlugins.getInvocationPlugins(); 540 541 HotSpotVMConfigStore store = config.getStore(); 542 List<VMIntrinsicMethod> intrinsics = store.getIntrinsics(); 543 544 for (Refiner refiner : ServiceLoader.load(Refiner.class)) { 545 refiner.refine(this); 546 } 547 548 List<String> missing = new ArrayList<>(); 549 List<String> mischaracterizedAsToBeInvestigated = new ArrayList<>(); 550 List<String> mischaracterizedAsIgnored = new ArrayList<>(); 551 EconomicMap<String, List<Binding>> bindings = invocationPlugins.getBindings(true); 552 for (VMIntrinsicMethod intrinsic : intrinsics) { 553 InvocationPlugin plugin = findPlugin(bindings, intrinsic); 554 String m = String.format("%s.%s%s", intrinsic.declaringClass, intrinsic.name, intrinsic.descriptor); 555 if (plugin == null) { 556 ResolvedJavaMethod method = resolveIntrinsic(providers.getMetaAccess(), intrinsic); 557 if (method != null) { 558 IntrinsicMethod intrinsicMethod = providers.getConstantReflection().getMethodHandleAccess().lookupMethodHandleIntrinsic(method); 559 if (intrinsicMethod != null) { 560 continue; 561 } 562 } 563 if (!toBeInvestigated.contains(m) && !ignore.contains(m) && !complexGuard.contains(m) && !downstream.contains(m)) { 564 missing.add(m); 565 } 566 } else { 567 if (toBeInvestigated.contains(m)) { 568 mischaracterizedAsToBeInvestigated.add(m); 569 } else if (ignore.contains(m)) { 570 mischaracterizedAsIgnored.add(m); 571 } 572 } 573 } 574 575 Formatter errorMsgBuf = new Formatter(); 576 if (!missing.isEmpty()) { 577 Collections.sort(missing); 578 String missingString = missing.stream().collect(Collectors.joining(String.format("%n "))); 579 errorMsgBuf.format("missing Graal intrinsics for:%n %s%n", missingString); 580 } 581 if (!mischaracterizedAsToBeInvestigated.isEmpty()) { 582 Collections.sort(mischaracterizedAsToBeInvestigated); 583 String missingString = mischaracterizedAsToBeInvestigated.stream().collect(Collectors.joining(String.format("%n "))); 584 errorMsgBuf.format("found plugins for intrinsics characterized as toBeInvestigated:%n %s%n", missingString); 585 } 586 if (!mischaracterizedAsIgnored.isEmpty()) { 587 Collections.sort(mischaracterizedAsIgnored); 588 String missingString = mischaracterizedAsIgnored.stream().collect(Collectors.joining(String.format("%n "))); 589 errorMsgBuf.format("found plugins for intrinsics characterized as IGNORED:%n %s%n", missingString); 590 } 591 String errorMsg = errorMsgBuf.toString(); 592 if (!errorMsg.isEmpty()) { 593 fail(errorMsg); 594 } 595 } 596 }