1 /* 2 * Copyright (c) 2011, 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 jdk.vm.ci.hotspot; 24 25 import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime; 26 import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE; 27 28 import java.lang.reflect.Field; 29 import java.lang.reflect.Modifier; 30 import java.util.HashMap; 31 import java.util.Iterator; 32 33 import jdk.internal.misc.Unsafe; 34 import jdk.internal.vm.annotation.Stable; 35 import jdk.vm.ci.hotspotvmconfig.HotSpotVMAddress; 36 import jdk.vm.ci.hotspotvmconfig.HotSpotVMConstant; 37 import jdk.vm.ci.hotspotvmconfig.HotSpotVMData; 38 import jdk.vm.ci.hotspotvmconfig.HotSpotVMField; 39 import jdk.vm.ci.hotspotvmconfig.HotSpotVMFlag; 40 import jdk.vm.ci.hotspotvmconfig.HotSpotVMType; 41 42 //JaCoCo Exclude 43 44 /** 45 * Used to access native configuration details. 46 * 47 * All non-static, public fields in this class are so that they can be compiled as constants. 48 */ 49 public class HotSpotVMConfig { 50 51 /** 52 * Gets the configuration associated with the singleton {@link HotSpotJVMCIRuntime}. 53 */ 54 public static HotSpotVMConfig config() { 55 return runtime().getConfig(); 56 } 57 58 /** 59 * Maximum allowed size of allocated area for a frame. 60 */ 61 public final int maxFrameSize = 16 * 1024; 62 63 public HotSpotVMConfig(CompilerToVM compilerToVm) { 64 // Get raw pointer to the array that contains all gHotSpotVM values. 65 final long gHotSpotVMData = compilerToVm.initializeConfiguration(this); 66 assert gHotSpotVMData != 0; 67 68 // Make FindBugs happy. 69 jvmciHotSpotVMStructs = 0; 70 jvmciHotSpotVMTypes = 0; 71 jvmciHotSpotVMIntConstants = 0; 72 jvmciHotSpotVMLongConstants = 0; 73 jvmciHotSpotVMAddresses = 0; 74 75 // Initialize the gHotSpotVM fields. 76 for (Field f : HotSpotVMConfig.class.getDeclaredFields()) { 77 if (f.isAnnotationPresent(HotSpotVMData.class)) { 78 HotSpotVMData annotation = f.getAnnotation(HotSpotVMData.class); 79 final int index = annotation.index(); 80 final long value = UNSAFE.getAddress(gHotSpotVMData + Unsafe.ADDRESS_SIZE * index); 81 try { 82 f.setLong(this, value); 83 } catch (IllegalAccessException e) { 84 throw new InternalError("index " + index, e); 85 } 86 } 87 } 88 89 // Quick sanity check. 90 assert jvmciHotSpotVMStructs != 0; 91 assert jvmciHotSpotVMTypes != 0; 92 assert jvmciHotSpotVMIntConstants != 0; 93 assert jvmciHotSpotVMLongConstants != 0; 94 assert jvmciHotSpotVMAddresses != 0; 95 96 initialize(); 97 98 oopEncoding = new CompressEncoding(narrowOopBase, narrowOopShift, logMinObjAlignment()); 99 klassEncoding = new CompressEncoding(narrowKlassBase, narrowKlassShift, logKlassAlignment); 100 101 assert check(); 102 assert HotSpotVMConfigVerifier.check(); 103 } 104 105 @Override 106 public String toString() { 107 return getClass().getSimpleName(); 108 } 109 110 /** 111 * Reads a {@code '\0'} terminated C string from native memory and converts it to a 112 * {@link String}. 113 * 114 * @return a Java string 115 */ 116 static String readCString(Unsafe unsafe, long address) { 117 if (address == 0) { 118 return null; 119 } 120 StringBuilder sb = new StringBuilder(); 121 for (int i = 0;; i++) { 122 char c = (char) unsafe.getByte(address + i); 123 if (c == 0) { 124 break; 125 } 126 sb.append(c); 127 } 128 return sb.toString(); 129 } 130 131 /** 132 * Initialize fields by reading their values from vmStructs. 133 */ 134 private void initialize() { 135 // Fill the VM fields hash map. 136 HashMap<String, VMFields.Field> vmFields = new HashMap<>(); 137 for (VMFields.Field e : new VMFields(jvmciHotSpotVMStructs)) { 138 vmFields.put(e.getName(), e); 139 } 140 141 // Fill the VM types hash map. 142 HashMap<String, VMTypes.Type> vmTypes = new HashMap<>(); 143 for (VMTypes.Type e : new VMTypes(jvmciHotSpotVMTypes)) { 144 vmTypes.put(e.getTypeName(), e); 145 } 146 147 // Fill the VM constants hash map. 148 HashMap<String, AbstractConstant> vmConstants = new HashMap<>(); 149 for (AbstractConstant e : new VMIntConstants(jvmciHotSpotVMIntConstants)) { 150 vmConstants.put(e.getName(), e); 151 } 152 for (AbstractConstant e : new VMLongConstants(jvmciHotSpotVMLongConstants)) { 153 vmConstants.put(e.getName(), e); 154 } 155 156 // Fill the VM addresses hash map. 157 HashMap<String, VMAddresses.Address> vmAddresses = new HashMap<>(); 158 for (VMAddresses.Address e : new VMAddresses(jvmciHotSpotVMAddresses)) { 159 vmAddresses.put(e.getName(), e); 160 } 161 162 // Fill the flags hash map. 163 HashMap<String, Flags.Flag> flags = new HashMap<>(); 164 for (Flags.Flag e : new Flags(vmFields, vmTypes)) { 165 flags.put(e.getName(), e); 166 } 167 168 String osName = getHostOSName(); 169 String osArch = getHostArchitectureName(); 170 171 for (Field f : HotSpotVMConfig.class.getDeclaredFields()) { 172 if (f.isAnnotationPresent(HotSpotVMField.class)) { 173 HotSpotVMField annotation = f.getAnnotation(HotSpotVMField.class); 174 String name = annotation.name(); 175 String type = annotation.type(); 176 VMFields.Field entry = vmFields.get(name); 177 if (entry == null) { 178 if (!isRequired(osArch, annotation.archs())) { 179 continue; 180 } 181 throw new InternalError(f.getName() + ": expected VM field not found: " + name); 182 } 183 184 // Make sure the native type is still the type we expect. 185 if (!type.isEmpty()) { 186 if (!type.equals(entry.getTypeString())) { 187 throw new InternalError(f.getName() + ": compiler expects type " + type + " but VM field " + name + " is of type " + entry.getTypeString()); 188 } 189 } 190 191 switch (annotation.get()) { 192 case OFFSET: 193 setField(f, entry.getOffset()); 194 break; 195 case ADDRESS: 196 setField(f, entry.getAddress()); 197 break; 198 case VALUE: 199 setField(f, entry.getValue()); 200 break; 201 default: 202 throw new InternalError(f.getName() + ": unknown kind: " + annotation.get()); 203 } 204 } else if (f.isAnnotationPresent(HotSpotVMType.class)) { 205 HotSpotVMType annotation = f.getAnnotation(HotSpotVMType.class); 206 String name = annotation.name(); 207 VMTypes.Type entry = vmTypes.get(name); 208 if (entry == null) { 209 throw new InternalError(f.getName() + ": expected VM type not found: " + name); 210 } 211 212 switch (annotation.get()) { 213 case SIZE: 214 setField(f, entry.getSize()); 215 break; 216 default: 217 throw new InternalError(f.getName() + ": unknown kind: " + annotation.get()); 218 } 219 } else if (f.isAnnotationPresent(HotSpotVMConstant.class)) { 220 HotSpotVMConstant annotation = f.getAnnotation(HotSpotVMConstant.class); 221 String name = annotation.name(); 222 AbstractConstant entry = vmConstants.get(name); 223 if (entry == null) { 224 if (!isRequired(osArch, annotation.archs())) { 225 continue; 226 } 227 throw new InternalError(f.getName() + ": expected VM constant not found: " + name); 228 } 229 setField(f, entry.getValue()); 230 } else if (f.isAnnotationPresent(HotSpotVMAddress.class)) { 231 HotSpotVMAddress annotation = f.getAnnotation(HotSpotVMAddress.class); 232 String name = annotation.name(); 233 VMAddresses.Address entry = vmAddresses.get(name); 234 if (entry == null) { 235 if (!isRequired(osName, annotation.os())) { 236 continue; 237 } 238 throw new InternalError(f.getName() + ": expected VM address not found: " + name); 239 } 240 setField(f, entry.getValue()); 241 } else if (f.isAnnotationPresent(HotSpotVMFlag.class)) { 242 HotSpotVMFlag annotation = f.getAnnotation(HotSpotVMFlag.class); 243 String name = annotation.name(); 244 Flags.Flag entry = flags.get(name); 245 if (entry == null) { 246 if (annotation.optional() || !isRequired(osArch, annotation.archs())) { 247 continue; 248 } 249 throw new InternalError(f.getName() + ": expected VM flag not found: " + name); 250 251 } 252 setField(f, entry.getValue()); 253 } 254 } 255 } 256 257 private final CompressEncoding oopEncoding; 258 private final CompressEncoding klassEncoding; 259 260 public CompressEncoding getOopEncoding() { 261 return oopEncoding; 262 } 263 264 public CompressEncoding getKlassEncoding() { 265 return klassEncoding; 266 } 267 268 private void setField(Field field, Object value) { 269 try { 270 Class<?> fieldType = field.getType(); 271 if (fieldType == boolean.class) { 272 if (value instanceof String) { 273 field.setBoolean(this, Boolean.valueOf((String) value)); 274 } else if (value instanceof Boolean) { 275 field.setBoolean(this, (boolean) value); 276 } else if (value instanceof Long) { 277 field.setBoolean(this, ((long) value) != 0); 278 } else { 279 throw new InternalError(value.getClass().getSimpleName()); 280 } 281 } else if (fieldType == byte.class) { 282 if (value instanceof Long) { 283 field.setByte(this, (byte) (long) value); 284 } else { 285 throw new InternalError(value.getClass().getSimpleName()); 286 } 287 } else if (fieldType == int.class) { 288 if (value instanceof Integer) { 289 field.setInt(this, (int) value); 290 } else if (value instanceof Long) { 291 field.setInt(this, (int) (long) value); 292 } else { 293 throw new InternalError(value.getClass().getSimpleName()); 294 } 295 } else if (fieldType == long.class) { 296 field.setLong(this, (long) value); 297 } else { 298 throw new InternalError(field.toString()); 299 } 300 } catch (IllegalAccessException e) { 301 throw new InternalError(String.format("%s: %s", field, e)); 302 } 303 } 304 305 /** 306 * Gets the host operating system name. 307 */ 308 private static String getHostOSName() { 309 String osName = System.getProperty("os.name"); 310 switch (osName) { 311 case "Linux": 312 osName = "linux"; 313 break; 314 case "SunOS": 315 osName = "solaris"; 316 break; 317 case "Mac OS X": 318 osName = "bsd"; 319 break; 320 default: 321 // Of course Windows is different... 322 if (osName.startsWith("Windows")) { 323 osName = "windows"; 324 } else { 325 throw new InternalError("Unexpected OS name: " + osName); 326 } 327 } 328 return osName; 329 } 330 331 /** 332 * Gets the host architecture name for the purpose of finding the corresponding 333 * {@linkplain HotSpotJVMCIBackendFactory backend}. 334 */ 335 public String getHostArchitectureName() { 336 String arch = System.getProperty("os.arch"); 337 switch (arch) { 338 case "x86_64": 339 arch = "amd64"; 340 break; 341 case "sparcv9": 342 arch = "sparc"; 343 break; 344 } 345 return arch; 346 } 347 348 /** 349 * Determines if the current specification is included in a given set of specifications. 350 * 351 * @param current 352 * @param specification specifies a set of specifications, e.g. architectures or operating 353 * systems. A zero length value implies all. 354 */ 355 private static boolean isRequired(String current, String[] specification) { 356 if (specification.length == 0) { 357 return true; 358 } 359 for (String arch : specification) { 360 if (arch.equals(current)) { 361 return true; 362 } 363 } 364 return false; 365 } 366 367 /** 368 * VMStructEntry (see {@code vmStructs.hpp}). 369 */ 370 @HotSpotVMData(index = 0) @Stable private long jvmciHotSpotVMStructs; 371 @HotSpotVMData(index = 1) @Stable private long jvmciHotSpotVMStructEntryTypeNameOffset; 372 @HotSpotVMData(index = 2) @Stable private long jvmciHotSpotVMStructEntryFieldNameOffset; 373 @HotSpotVMData(index = 3) @Stable private long jvmciHotSpotVMStructEntryTypeStringOffset; 374 @HotSpotVMData(index = 4) @Stable private long jvmciHotSpotVMStructEntryIsStaticOffset; 375 @HotSpotVMData(index = 5) @Stable private long jvmciHotSpotVMStructEntryOffsetOffset; 376 @HotSpotVMData(index = 6) @Stable private long jvmciHotSpotVMStructEntryAddressOffset; 377 @HotSpotVMData(index = 7) @Stable private long jvmciHotSpotVMStructEntryArrayStride; 378 379 final class VMFields implements Iterable<VMFields.Field> { 380 381 private final long address; 382 383 VMFields(long address) { 384 this.address = address; 385 } 386 387 public Iterator<VMFields.Field> iterator() { 388 return new Iterator<VMFields.Field>() { 389 390 private int index = 0; 391 392 private Field current() { 393 return new Field(address + jvmciHotSpotVMStructEntryArrayStride * index); 394 } 395 396 /** 397 * The last entry is identified by a NULL fieldName. 398 */ 399 public boolean hasNext() { 400 Field entry = current(); 401 return entry.getFieldName() != null; 402 } 403 404 public Field next() { 405 Field entry = current(); 406 index++; 407 return entry; 408 } 409 }; 410 } 411 412 final class Field { 413 414 private final long entryAddress; 415 416 Field(long address) { 417 this.entryAddress = address; 418 } 419 420 public String getTypeName() { 421 long typeNameAddress = UNSAFE.getAddress(entryAddress + jvmciHotSpotVMStructEntryTypeNameOffset); 422 return readCString(UNSAFE, typeNameAddress); 423 } 424 425 public String getFieldName() { 426 long fieldNameAddress = UNSAFE.getAddress(entryAddress + jvmciHotSpotVMStructEntryFieldNameOffset); 427 return readCString(UNSAFE, fieldNameAddress); 428 } 429 430 public String getTypeString() { 431 long typeStringAddress = UNSAFE.getAddress(entryAddress + jvmciHotSpotVMStructEntryTypeStringOffset); 432 return readCString(UNSAFE, typeStringAddress); 433 } 434 435 public boolean isStatic() { 436 return UNSAFE.getInt(entryAddress + jvmciHotSpotVMStructEntryIsStaticOffset) != 0; 437 } 438 439 public long getOffset() { 440 return UNSAFE.getLong(entryAddress + jvmciHotSpotVMStructEntryOffsetOffset); 441 } 442 443 public long getAddress() { 444 return UNSAFE.getAddress(entryAddress + jvmciHotSpotVMStructEntryAddressOffset); 445 } 446 447 public String getName() { 448 String typeName = getTypeName(); 449 String fieldName = getFieldName(); 450 return typeName + "::" + fieldName; 451 } 452 453 public long getValue() { 454 String type = getTypeString(); 455 switch (type) { 456 case "bool": 457 return UNSAFE.getByte(getAddress()); 458 case "int": 459 return UNSAFE.getInt(getAddress()); 460 case "uint64_t": 461 return UNSAFE.getLong(getAddress()); 462 case "address": 463 case "intptr_t": 464 case "uintptr_t": 465 case "size_t": 466 return UNSAFE.getAddress(getAddress()); 467 default: 468 // All foo* types are addresses. 469 if (type.endsWith("*")) { 470 return UNSAFE.getAddress(getAddress()); 471 } 472 throw new InternalError(type); 473 } 474 } 475 476 @Override 477 public String toString() { 478 return String.format("Field[typeName=%s, fieldName=%s, typeString=%s, isStatic=%b, offset=%d, address=0x%x]", getTypeName(), getFieldName(), getTypeString(), isStatic(), getOffset(), 479 getAddress()); 480 } 481 } 482 } 483 484 /** 485 * VMTypeEntry (see vmStructs.hpp). 486 */ 487 @HotSpotVMData(index = 8) @Stable private long jvmciHotSpotVMTypes; 488 @HotSpotVMData(index = 9) @Stable private long jvmciHotSpotVMTypeEntryTypeNameOffset; 489 @HotSpotVMData(index = 10) @Stable private long jvmciHotSpotVMTypeEntrySuperclassNameOffset; 490 @HotSpotVMData(index = 11) @Stable private long jvmciHotSpotVMTypeEntryIsOopTypeOffset; 491 @HotSpotVMData(index = 12) @Stable private long jvmciHotSpotVMTypeEntryIsIntegerTypeOffset; 492 @HotSpotVMData(index = 13) @Stable private long jvmciHotSpotVMTypeEntryIsUnsignedOffset; 493 @HotSpotVMData(index = 14) @Stable private long jvmciHotSpotVMTypeEntrySizeOffset; 494 @HotSpotVMData(index = 15) @Stable private long jvmciHotSpotVMTypeEntryArrayStride; 495 496 final class VMTypes implements Iterable<VMTypes.Type> { 497 498 private final long address; 499 500 VMTypes(long address) { 501 this.address = address; 502 } 503 504 public Iterator<VMTypes.Type> iterator() { 505 return new Iterator<VMTypes.Type>() { 506 507 private int index = 0; 508 509 private Type current() { 510 return new Type(address + jvmciHotSpotVMTypeEntryArrayStride * index); 511 } 512 513 /** 514 * The last entry is identified by a NULL type name. 515 */ 516 public boolean hasNext() { 517 Type entry = current(); 518 return entry.getTypeName() != null; 519 } 520 521 public Type next() { 522 Type entry = current(); 523 index++; 524 return entry; 525 } 526 }; 527 } 528 529 final class Type { 530 531 private final long entryAddress; 532 533 Type(long address) { 534 this.entryAddress = address; 535 } 536 537 public String getTypeName() { 538 long typeNameAddress = UNSAFE.getAddress(entryAddress + jvmciHotSpotVMTypeEntryTypeNameOffset); 539 return readCString(UNSAFE, typeNameAddress); 540 } 541 542 public String getSuperclassName() { 543 long superclassNameAddress = UNSAFE.getAddress(entryAddress + jvmciHotSpotVMTypeEntrySuperclassNameOffset); 544 return readCString(UNSAFE, superclassNameAddress); 545 } 546 547 public boolean isOopType() { 548 return UNSAFE.getInt(entryAddress + jvmciHotSpotVMTypeEntryIsOopTypeOffset) != 0; 549 } 550 551 public boolean isIntegerType() { 552 return UNSAFE.getInt(entryAddress + jvmciHotSpotVMTypeEntryIsIntegerTypeOffset) != 0; 553 } 554 555 public boolean isUnsigned() { 556 return UNSAFE.getInt(entryAddress + jvmciHotSpotVMTypeEntryIsUnsignedOffset) != 0; 557 } 558 559 public long getSize() { 560 return UNSAFE.getLong(entryAddress + jvmciHotSpotVMTypeEntrySizeOffset); 561 } 562 563 @Override 564 public String toString() { 565 return String.format("Type[typeName=%s, superclassName=%s, isOopType=%b, isIntegerType=%b, isUnsigned=%b, size=%d]", getTypeName(), getSuperclassName(), isOopType(), isIntegerType(), 566 isUnsigned(), getSize()); 567 } 568 } 569 } 570 571 public abstract class AbstractConstant { 572 573 protected final long address; 574 protected final long nameOffset; 575 protected final long valueOffset; 576 577 AbstractConstant(long address, long nameOffset, long valueOffset) { 578 this.address = address; 579 this.nameOffset = nameOffset; 580 this.valueOffset = valueOffset; 581 } 582 583 public String getName() { 584 long nameAddress = UNSAFE.getAddress(address + nameOffset); 585 return readCString(UNSAFE, nameAddress); 586 } 587 588 public abstract long getValue(); 589 } 590 591 /** 592 * VMIntConstantEntry (see vmStructs.hpp). 593 */ 594 @HotSpotVMData(index = 16) @Stable private long jvmciHotSpotVMIntConstants; 595 @HotSpotVMData(index = 17) @Stable private long jvmciHotSpotVMIntConstantEntryNameOffset; 596 @HotSpotVMData(index = 18) @Stable private long jvmciHotSpotVMIntConstantEntryValueOffset; 597 @HotSpotVMData(index = 19) @Stable private long jvmciHotSpotVMIntConstantEntryArrayStride; 598 599 final class VMIntConstants implements Iterable<VMIntConstants.Constant> { 600 601 private final long address; 602 603 VMIntConstants(long address) { 604 this.address = address; 605 } 606 607 public Iterator<VMIntConstants.Constant> iterator() { 608 return new Iterator<VMIntConstants.Constant>() { 609 610 private int index = 0; 611 612 private Constant current() { 613 return new Constant(address + jvmciHotSpotVMIntConstantEntryArrayStride * index); 614 } 615 616 /** 617 * The last entry is identified by a NULL name. 618 */ 619 public boolean hasNext() { 620 Constant entry = current(); 621 return entry.getName() != null; 622 } 623 624 public Constant next() { 625 Constant entry = current(); 626 index++; 627 return entry; 628 } 629 }; 630 } 631 632 final class Constant extends AbstractConstant { 633 634 Constant(long address) { 635 super(address, jvmciHotSpotVMIntConstantEntryNameOffset, jvmciHotSpotVMIntConstantEntryValueOffset); 636 } 637 638 @Override 639 public long getValue() { 640 return UNSAFE.getInt(address + valueOffset); 641 } 642 643 @Override 644 public String toString() { 645 return String.format("IntConstant[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue()); 646 } 647 } 648 } 649 650 /** 651 * VMLongConstantEntry (see vmStructs.hpp). 652 */ 653 @HotSpotVMData(index = 20) @Stable private long jvmciHotSpotVMLongConstants; 654 @HotSpotVMData(index = 21) @Stable private long jvmciHotSpotVMLongConstantEntryNameOffset; 655 @HotSpotVMData(index = 22) @Stable private long jvmciHotSpotVMLongConstantEntryValueOffset; 656 @HotSpotVMData(index = 23) @Stable private long jvmciHotSpotVMLongConstantEntryArrayStride; 657 658 final class VMLongConstants implements Iterable<VMLongConstants.Constant> { 659 660 private final long address; 661 662 VMLongConstants(long address) { 663 this.address = address; 664 } 665 666 public Iterator<VMLongConstants.Constant> iterator() { 667 return new Iterator<VMLongConstants.Constant>() { 668 669 private int index = 0; 670 671 private Constant currentEntry() { 672 return new Constant(address + jvmciHotSpotVMLongConstantEntryArrayStride * index); 673 } 674 675 /** 676 * The last entry is identified by a NULL name. 677 */ 678 public boolean hasNext() { 679 Constant entry = currentEntry(); 680 return entry.getName() != null; 681 } 682 683 public Constant next() { 684 Constant entry = currentEntry(); 685 index++; 686 return entry; 687 } 688 }; 689 } 690 691 final class Constant extends AbstractConstant { 692 693 Constant(long address) { 694 super(address, jvmciHotSpotVMLongConstantEntryNameOffset, jvmciHotSpotVMLongConstantEntryValueOffset); 695 } 696 697 @Override 698 public long getValue() { 699 return UNSAFE.getLong(address + valueOffset); 700 } 701 702 @Override 703 public String toString() { 704 return String.format("LongConstant[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue()); 705 } 706 } 707 } 708 709 /** 710 * VMAddressEntry (see vmStructs.hpp). 711 */ 712 @HotSpotVMData(index = 24) @Stable private long jvmciHotSpotVMAddresses; 713 @HotSpotVMData(index = 25) @Stable private long jvmciHotSpotVMAddressEntryNameOffset; 714 @HotSpotVMData(index = 26) @Stable private long jvmciHotSpotVMAddressEntryValueOffset; 715 @HotSpotVMData(index = 27) @Stable private long jvmciHotSpotVMAddressEntryArrayStride; 716 717 final class VMAddresses implements Iterable<VMAddresses.Address> { 718 719 private final long address; 720 721 VMAddresses(long address) { 722 this.address = address; 723 } 724 725 public Iterator<VMAddresses.Address> iterator() { 726 return new Iterator<VMAddresses.Address>() { 727 728 private int index = 0; 729 730 private Address currentEntry() { 731 return new Address(address + jvmciHotSpotVMAddressEntryArrayStride * index); 732 } 733 734 /** 735 * The last entry is identified by a NULL name. 736 */ 737 public boolean hasNext() { 738 Address entry = currentEntry(); 739 return entry.getName() != null; 740 } 741 742 public Address next() { 743 Address entry = currentEntry(); 744 index++; 745 return entry; 746 } 747 }; 748 } 749 750 final class Address extends AbstractConstant { 751 752 Address(long address) { 753 super(address, jvmciHotSpotVMAddressEntryNameOffset, jvmciHotSpotVMAddressEntryValueOffset); 754 } 755 756 @Override 757 public long getValue() { 758 return UNSAFE.getLong(address + valueOffset); 759 } 760 761 @Override 762 public String toString() { 763 return String.format("Address[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue()); 764 } 765 } 766 } 767 768 final class Flags implements Iterable<Flags.Flag> { 769 770 private final long address; 771 private final long entrySize; 772 private final long typeOffset; 773 private final long nameOffset; 774 private final long addrOffset; 775 776 Flags(HashMap<String, VMFields.Field> vmStructs, HashMap<String, VMTypes.Type> vmTypes) { 777 address = vmStructs.get("Flag::flags").getValue(); 778 entrySize = vmTypes.get("Flag").getSize(); 779 typeOffset = vmStructs.get("Flag::_type").getOffset(); 780 nameOffset = vmStructs.get("Flag::_name").getOffset(); 781 addrOffset = vmStructs.get("Flag::_addr").getOffset(); 782 783 assert vmTypes.get("bool").getSize() == Byte.BYTES; 784 assert vmTypes.get("intx").getSize() == Long.BYTES; 785 assert vmTypes.get("uintx").getSize() == Long.BYTES; 786 } 787 788 public Iterator<Flags.Flag> iterator() { 789 return new Iterator<Flags.Flag>() { 790 791 private int index = 0; 792 793 private Flag current() { 794 return new Flag(address + entrySize * index); 795 } 796 797 /** 798 * The last entry is identified by a NULL name. 799 */ 800 public boolean hasNext() { 801 Flag entry = current(); 802 return entry.getName() != null; 803 } 804 805 public Flag next() { 806 Flag entry = current(); 807 index++; 808 return entry; 809 } 810 }; 811 } 812 813 final class Flag { 814 815 private final long entryAddress; 816 817 Flag(long address) { 818 this.entryAddress = address; 819 } 820 821 public String getType() { 822 long typeAddress = UNSAFE.getAddress(entryAddress + typeOffset); 823 return readCString(UNSAFE, typeAddress); 824 } 825 826 public String getName() { 827 long nameAddress = UNSAFE.getAddress(entryAddress + nameOffset); 828 return readCString(UNSAFE, nameAddress); 829 } 830 831 public long getAddr() { 832 return UNSAFE.getAddress(entryAddress + addrOffset); 833 } 834 835 public Object getValue() { 836 switch (getType()) { 837 case "bool": 838 return Boolean.valueOf(UNSAFE.getByte(getAddr()) != 0); 839 case "intx": 840 case "uintx": 841 case "uint64_t": 842 return Long.valueOf(UNSAFE.getLong(getAddr())); 843 case "double": 844 return Double.valueOf(UNSAFE.getDouble(getAddr())); 845 case "ccstr": 846 case "ccstrlist": 847 return readCString(UNSAFE, getAddr()); 848 default: 849 throw new InternalError(getType()); 850 } 851 } 852 853 @Override 854 public String toString() { 855 return String.format("Flag[type=%s, name=%s, value=%s]", getType(), getName(), getValue()); 856 } 857 } 858 } 859 860 @HotSpotVMConstant(name = "ASSERT") @Stable public boolean cAssertions; 861 public final boolean windowsOs = System.getProperty("os.name", "").startsWith("Windows"); 862 public final boolean linuxOs = System.getProperty("os.name", "").startsWith("Linux"); 863 864 @HotSpotVMFlag(name = "CodeEntryAlignment") @Stable public int codeEntryAlignment; 865 @HotSpotVMFlag(name = "VerifyOops") @Stable public boolean verifyOops; 866 @HotSpotVMFlag(name = "CITime") @Stable public boolean ciTime; 867 @HotSpotVMFlag(name = "CITimeEach") @Stable public boolean ciTimeEach; 868 @HotSpotVMFlag(name = "CompileTheWorldStartAt", optional = true) @Stable public int compileTheWorldStartAt; 869 @HotSpotVMFlag(name = "CompileTheWorldStopAt", optional = true) @Stable public int compileTheWorldStopAt; 870 @HotSpotVMFlag(name = "DontCompileHugeMethods") @Stable public boolean dontCompileHugeMethods; 871 @HotSpotVMFlag(name = "HugeMethodLimit") @Stable public int hugeMethodLimit; 872 @HotSpotVMFlag(name = "PrintInlining") @Stable public boolean printInlining; 873 @HotSpotVMFlag(name = "Inline") @Stable public boolean inline; 874 @HotSpotVMFlag(name = "JVMCIUseFastLocking") @Stable public boolean useFastLocking; 875 @HotSpotVMFlag(name = "ForceUnreachable") @Stable public boolean forceUnreachable; 876 @HotSpotVMFlag(name = "CodeCacheSegmentSize") @Stable public int codeSegmentSize; 877 @HotSpotVMFlag(name = "FoldStableValues") @Stable public boolean foldStableValues; 878 879 @HotSpotVMFlag(name = "UseTLAB") @Stable public boolean useTLAB; 880 @HotSpotVMFlag(name = "UseBiasedLocking") @Stable public boolean useBiasedLocking; 881 @HotSpotVMFlag(name = "UsePopCountInstruction") @Stable public boolean usePopCountInstruction; 882 @HotSpotVMFlag(name = "UseCountLeadingZerosInstruction", archs = {"amd64"}) @Stable public boolean useCountLeadingZerosInstruction; 883 @HotSpotVMFlag(name = "UseCountTrailingZerosInstruction", archs = {"amd64"}) @Stable public boolean useCountTrailingZerosInstruction; 884 @HotSpotVMFlag(name = "UseAESIntrinsics") @Stable public boolean useAESIntrinsics; 885 @HotSpotVMFlag(name = "UseCRC32Intrinsics") @Stable public boolean useCRC32Intrinsics; 886 @HotSpotVMFlag(name = "UseG1GC") @Stable public boolean useG1GC; 887 @HotSpotVMFlag(name = "UseConcMarkSweepGC") @Stable public boolean useCMSGC; 888 889 @HotSpotVMFlag(name = "AllocatePrefetchStyle") @Stable public int allocatePrefetchStyle; 890 @HotSpotVMFlag(name = "AllocatePrefetchInstr") @Stable public int allocatePrefetchInstr; 891 @HotSpotVMFlag(name = "AllocatePrefetchLines") @Stable public int allocatePrefetchLines; 892 @HotSpotVMFlag(name = "AllocateInstancePrefetchLines") @Stable public int allocateInstancePrefetchLines; 893 @HotSpotVMFlag(name = "AllocatePrefetchStepSize") @Stable public int allocatePrefetchStepSize; 894 @HotSpotVMFlag(name = "AllocatePrefetchDistance") @Stable public int allocatePrefetchDistance; 895 896 @HotSpotVMFlag(name = "FlightRecorder", optional = true) @Stable public boolean flightRecorder; 897 898 @HotSpotVMField(name = "CompilerToVM::Data::Universe_collectedHeap", type = "CollectedHeap*", get = HotSpotVMField.Type.VALUE) @Stable private long universeCollectedHeap; 899 @HotSpotVMField(name = "CollectedHeap::_total_collections", type = "unsigned int", get = HotSpotVMField.Type.OFFSET) @Stable private int collectedHeapTotalCollectionsOffset; 900 901 public long gcTotalCollectionsAddress() { 902 return universeCollectedHeap + collectedHeapTotalCollectionsOffset; 903 } 904 905 @HotSpotVMFlag(name = "ReduceInitialCardMarks") @Stable public boolean useDeferredInitBarriers; 906 907 // Compressed Oops related values. 908 @HotSpotVMFlag(name = "UseCompressedOops") @Stable public boolean useCompressedOops; 909 @HotSpotVMFlag(name = "UseCompressedClassPointers") @Stable public boolean useCompressedClassPointers; 910 911 @HotSpotVMField(name = "CompilerToVM::Data::Universe_narrow_oop_base", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long narrowOopBase; 912 @HotSpotVMField(name = "CompilerToVM::Data::Universe_narrow_oop_shift", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int narrowOopShift; 913 @HotSpotVMFlag(name = "ObjectAlignmentInBytes") @Stable public int objectAlignment; 914 915 public final int minObjAlignment() { 916 return objectAlignment / heapWordSize; 917 } 918 919 public final int logMinObjAlignment() { 920 return (int) (Math.log(objectAlignment) / Math.log(2)); 921 } 922 923 @HotSpotVMType(name = "narrowKlass", get = HotSpotVMType.Type.SIZE) @Stable public int narrowKlassSize; 924 @HotSpotVMField(name = "CompilerToVM::Data::Universe_narrow_klass_base", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long narrowKlassBase; 925 @HotSpotVMField(name = "CompilerToVM::Data::Universe_narrow_klass_shift", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int narrowKlassShift; 926 @HotSpotVMConstant(name = "LogKlassAlignmentInBytes") @Stable public int logKlassAlignment; 927 928 // CPU capabilities 929 @HotSpotVMFlag(name = "UseSSE") @Stable public int useSSE; 930 @HotSpotVMFlag(name = "UseAVX", archs = {"amd64"}) @Stable public int useAVX; 931 932 @HotSpotVMField(name = "Abstract_VM_Version::_features", type = "uint64_t", get = HotSpotVMField.Type.VALUE) @Stable public long vmVersionFeatures; 933 934 // AMD64 specific values 935 @HotSpotVMConstant(name = "VM_Version::CPU_CX8", archs = {"amd64"}) @Stable public long amd64CX8; 936 @HotSpotVMConstant(name = "VM_Version::CPU_CMOV", archs = {"amd64"}) @Stable public long amd64CMOV; 937 @HotSpotVMConstant(name = "VM_Version::CPU_FXSR", archs = {"amd64"}) @Stable public long amd64FXSR; 938 @HotSpotVMConstant(name = "VM_Version::CPU_HT", archs = {"amd64"}) @Stable public long amd64HT; 939 @HotSpotVMConstant(name = "VM_Version::CPU_MMX", archs = {"amd64"}) @Stable public long amd64MMX; 940 @HotSpotVMConstant(name = "VM_Version::CPU_3DNOW_PREFETCH", archs = {"amd64"}) @Stable public long amd643DNOWPREFETCH; 941 @HotSpotVMConstant(name = "VM_Version::CPU_SSE", archs = {"amd64"}) @Stable public long amd64SSE; 942 @HotSpotVMConstant(name = "VM_Version::CPU_SSE2", archs = {"amd64"}) @Stable public long amd64SSE2; 943 @HotSpotVMConstant(name = "VM_Version::CPU_SSE3", archs = {"amd64"}) @Stable public long amd64SSE3; 944 @HotSpotVMConstant(name = "VM_Version::CPU_SSSE3", archs = {"amd64"}) @Stable public long amd64SSSE3; 945 @HotSpotVMConstant(name = "VM_Version::CPU_SSE4A", archs = {"amd64"}) @Stable public long amd64SSE4A; 946 @HotSpotVMConstant(name = "VM_Version::CPU_SSE4_1", archs = {"amd64"}) @Stable public long amd64SSE41; 947 @HotSpotVMConstant(name = "VM_Version::CPU_SSE4_2", archs = {"amd64"}) @Stable public long amd64SSE42; 948 @HotSpotVMConstant(name = "VM_Version::CPU_POPCNT", archs = {"amd64"}) @Stable public long amd64POPCNT; 949 @HotSpotVMConstant(name = "VM_Version::CPU_LZCNT", archs = {"amd64"}) @Stable public long amd64LZCNT; 950 @HotSpotVMConstant(name = "VM_Version::CPU_TSC", archs = {"amd64"}) @Stable public long amd64TSC; 951 @HotSpotVMConstant(name = "VM_Version::CPU_TSCINV", archs = {"amd64"}) @Stable public long amd64TSCINV; 952 @HotSpotVMConstant(name = "VM_Version::CPU_AVX", archs = {"amd64"}) @Stable public long amd64AVX; 953 @HotSpotVMConstant(name = "VM_Version::CPU_AVX2", archs = {"amd64"}) @Stable public long amd64AVX2; 954 @HotSpotVMConstant(name = "VM_Version::CPU_AES", archs = {"amd64"}) @Stable public long amd64AES; 955 @HotSpotVMConstant(name = "VM_Version::CPU_ERMS", archs = {"amd64"}) @Stable public long amd64ERMS; 956 @HotSpotVMConstant(name = "VM_Version::CPU_CLMUL", archs = {"amd64"}) @Stable public long amd64CLMUL; 957 @HotSpotVMConstant(name = "VM_Version::CPU_BMI1", archs = {"amd64"}) @Stable public long amd64BMI1; 958 @HotSpotVMConstant(name = "VM_Version::CPU_BMI2", archs = {"amd64"}) @Stable public long amd64BMI2; 959 @HotSpotVMConstant(name = "VM_Version::CPU_RTM", archs = {"amd64"}) @Stable public long amd64RTM; 960 @HotSpotVMConstant(name = "VM_Version::CPU_ADX", archs = {"amd64"}) @Stable public long amd64ADX; 961 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512F", archs = {"amd64"}) @Stable public long amd64AVX512F; 962 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512DQ", archs = {"amd64"}) @Stable public long amd64AVX512DQ; 963 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512PF", archs = {"amd64"}) @Stable public long amd64AVX512PF; 964 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512ER", archs = {"amd64"}) @Stable public long amd64AVX512ER; 965 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512CD", archs = {"amd64"}) @Stable public long amd64AVX512CD; 966 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512BW", archs = {"amd64"}) @Stable public long amd64AVX512BW; 967 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512VL", archs = {"amd64"}) @Stable public long amd64AVX512VL; 968 @HotSpotVMConstant(name = "VM_Version::CPU_SHA", archs = {"amd64"}) @Stable public long amd64SHA; 969 970 // SPARC specific values 971 @HotSpotVMConstant(name = "VM_Version::vis3_instructions_m", archs = {"sparc"}) @Stable public int sparcVis3Instructions; 972 @HotSpotVMConstant(name = "VM_Version::vis2_instructions_m", archs = {"sparc"}) @Stable public int sparcVis2Instructions; 973 @HotSpotVMConstant(name = "VM_Version::vis1_instructions_m", archs = {"sparc"}) @Stable public int sparcVis1Instructions; 974 @HotSpotVMConstant(name = "VM_Version::cbcond_instructions_m", archs = {"sparc"}) @Stable public int sparcCbcondInstructions; 975 @HotSpotVMConstant(name = "VM_Version::v8_instructions_m", archs = {"sparc"}) @Stable public int sparcV8Instructions; 976 @HotSpotVMConstant(name = "VM_Version::hardware_mul32_m", archs = {"sparc"}) @Stable public int sparcHardwareMul32; 977 @HotSpotVMConstant(name = "VM_Version::hardware_div32_m", archs = {"sparc"}) @Stable public int sparcHardwareDiv32; 978 @HotSpotVMConstant(name = "VM_Version::hardware_fsmuld_m", archs = {"sparc"}) @Stable public int sparcHardwareFsmuld; 979 @HotSpotVMConstant(name = "VM_Version::hardware_popc_m", archs = {"sparc"}) @Stable public int sparcHardwarePopc; 980 @HotSpotVMConstant(name = "VM_Version::v9_instructions_m", archs = {"sparc"}) @Stable public int sparcV9Instructions; 981 @HotSpotVMConstant(name = "VM_Version::sun4v_m", archs = {"sparc"}) @Stable public int sparcSun4v; 982 @HotSpotVMConstant(name = "VM_Version::blk_init_instructions_m", archs = {"sparc"}) @Stable public int sparcBlkInitInstructions; 983 @HotSpotVMConstant(name = "VM_Version::fmaf_instructions_m", archs = {"sparc"}) @Stable public int sparcFmafInstructions; 984 @HotSpotVMConstant(name = "VM_Version::fmau_instructions_m", archs = {"sparc"}) @Stable public int sparcFmauInstructions; 985 @HotSpotVMConstant(name = "VM_Version::sparc64_family_m", archs = {"sparc"}) @Stable public int sparcSparc64Family; 986 @HotSpotVMConstant(name = "VM_Version::M_family_m", archs = {"sparc"}) @Stable public int sparcMFamily; 987 @HotSpotVMConstant(name = "VM_Version::T_family_m", archs = {"sparc"}) @Stable public int sparcTFamily; 988 @HotSpotVMConstant(name = "VM_Version::T1_model_m", archs = {"sparc"}) @Stable public int sparcT1Model; 989 @HotSpotVMConstant(name = "VM_Version::sparc5_instructions_m", archs = {"sparc"}) @Stable public int sparcSparc5Instructions; 990 @HotSpotVMConstant(name = "VM_Version::aes_instructions_m", archs = {"sparc"}) @Stable public int sparcAesInstructions; 991 @HotSpotVMConstant(name = "VM_Version::sha1_instruction_m", archs = {"sparc"}) @Stable public int sparcSha1Instruction; 992 @HotSpotVMConstant(name = "VM_Version::sha256_instruction_m", archs = {"sparc"}) @Stable public int sparcSha256Instruction; 993 @HotSpotVMConstant(name = "VM_Version::sha512_instruction_m", archs = {"sparc"}) @Stable public int sparcSha512Instruction; 994 995 @HotSpotVMFlag(name = "UseBlockZeroing", archs = {"sparc"}) @Stable public boolean useBlockZeroing; 996 @HotSpotVMFlag(name = "BlockZeroingLowLimit", archs = {"sparc"}) @Stable public int blockZeroingLowLimit; 997 998 @HotSpotVMFlag(name = "StackShadowPages") @Stable public int stackShadowPages; 999 @HotSpotVMFlag(name = "StackReservedPages") @Stable public int stackReservedPages; 1000 @HotSpotVMFlag(name = "UseStackBanging") @Stable public boolean useStackBanging; 1001 @HotSpotVMConstant(name = "STACK_BIAS") @Stable public int stackBias; 1002 @HotSpotVMField(name = "CompilerToVM::Data::vm_page_size", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int vmPageSize; 1003 1004 // offsets, ... 1005 @HotSpotVMField(name = "oopDesc::_mark", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int markOffset; 1006 @HotSpotVMField(name = "oopDesc::_metadata._klass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int hubOffset; 1007 1008 @HotSpotVMField(name = "Klass::_prototype_header", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int prototypeMarkWordOffset; 1009 @HotSpotVMField(name = "Klass::_subklass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int subklassOffset; 1010 @HotSpotVMField(name = "Klass::_next_sibling", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int nextSiblingOffset; 1011 @HotSpotVMField(name = "Klass::_super_check_offset", type = "juint", get = HotSpotVMField.Type.OFFSET) @Stable public int superCheckOffsetOffset; 1012 @HotSpotVMField(name = "Klass::_secondary_super_cache", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int secondarySuperCacheOffset; 1013 @HotSpotVMField(name = "Klass::_secondary_supers", type = "Array<Klass*>*", get = HotSpotVMField.Type.OFFSET) @Stable public int secondarySupersOffset; 1014 1015 /** 1016 * The offset of the _java_mirror field (of type {@link Class}) in a Klass. 1017 */ 1018 @HotSpotVMField(name = "Klass::_java_mirror", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int classMirrorOffset; 1019 1020 @HotSpotVMField(name = "Klass::_super", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int klassSuperKlassOffset; 1021 @HotSpotVMField(name = "Klass::_modifier_flags", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int klassModifierFlagsOffset; 1022 @HotSpotVMField(name = "Klass::_access_flags", type = "AccessFlags", get = HotSpotVMField.Type.OFFSET) @Stable public int klassAccessFlagsOffset; 1023 @HotSpotVMField(name = "Klass::_layout_helper", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int klassLayoutHelperOffset; 1024 @HotSpotVMField(name = "Klass::_name", type = "Symbol*", get = HotSpotVMField.Type.OFFSET) @Stable public int klassNameOffset; 1025 1026 @HotSpotVMConstant(name = "Klass::_lh_neutral_value") @Stable public int klassLayoutHelperNeutralValue; 1027 @HotSpotVMConstant(name = "Klass::_lh_instance_slow_path_bit") @Stable public int klassLayoutHelperInstanceSlowPathBit; 1028 @HotSpotVMConstant(name = "Klass::_lh_log2_element_size_shift") @Stable public int layoutHelperLog2ElementSizeShift; 1029 @HotSpotVMConstant(name = "Klass::_lh_log2_element_size_mask") @Stable public int layoutHelperLog2ElementSizeMask; 1030 @HotSpotVMConstant(name = "Klass::_lh_element_type_shift") @Stable public int layoutHelperElementTypeShift; 1031 @HotSpotVMConstant(name = "Klass::_lh_element_type_mask") @Stable public int layoutHelperElementTypeMask; 1032 @HotSpotVMConstant(name = "Klass::_lh_header_size_shift") @Stable public int layoutHelperHeaderSizeShift; 1033 @HotSpotVMConstant(name = "Klass::_lh_header_size_mask") @Stable public int layoutHelperHeaderSizeMask; 1034 @HotSpotVMConstant(name = "Klass::_lh_array_tag_shift") @Stable public int layoutHelperArrayTagShift; 1035 @HotSpotVMConstant(name = "Klass::_lh_array_tag_type_value") @Stable public int layoutHelperArrayTagTypeValue; 1036 @HotSpotVMConstant(name = "Klass::_lh_array_tag_obj_value") @Stable public int layoutHelperArrayTagObjectValue; 1037 1038 /** 1039 * This filters out the bit that differentiates a type array from an object array. 1040 */ 1041 public int layoutHelperElementTypePrimitiveInPlace() { 1042 return (layoutHelperArrayTagTypeValue & ~layoutHelperArrayTagObjectValue) << layoutHelperArrayTagShift; 1043 } 1044 1045 /** 1046 * Bit pattern in the klass layout helper that can be used to identify arrays. 1047 */ 1048 public final int arrayKlassLayoutHelperIdentifier = 0x80000000; 1049 1050 @HotSpotVMType(name = "vtableEntry", get = HotSpotVMType.Type.SIZE) @Stable public int vtableEntrySize; 1051 @HotSpotVMField(name = "vtableEntry::_method", type = "Method*", get = HotSpotVMField.Type.OFFSET) @Stable public int vtableEntryMethodOffset; 1052 1053 @HotSpotVMType(name = "InstanceKlass", get = HotSpotVMType.Type.SIZE) @Stable public int instanceKlassSize; 1054 @HotSpotVMField(name = "InstanceKlass::_source_file_name_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassSourceFileNameIndexOffset; 1055 @HotSpotVMField(name = "InstanceKlass::_init_state", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassInitStateOffset; 1056 @HotSpotVMField(name = "InstanceKlass::_constants", type = "ConstantPool*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassConstantsOffset; 1057 @HotSpotVMField(name = "InstanceKlass::_fields", type = "Array<u2>*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassFieldsOffset; 1058 @HotSpotVMField(name = "CompilerToVM::Data::Klass_vtable_start_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int klassVtableStartOffset; 1059 @HotSpotVMField(name = "CompilerToVM::Data::Klass_vtable_length_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int klassVtableLengthOffset; 1060 1061 @HotSpotVMConstant(name = "InstanceKlass::linked") @Stable public int instanceKlassStateLinked; 1062 @HotSpotVMConstant(name = "InstanceKlass::fully_initialized") @Stable public int instanceKlassStateFullyInitialized; 1063 1064 @HotSpotVMType(name = "arrayOopDesc", get = HotSpotVMType.Type.SIZE) @Stable public int arrayOopDescSize; 1065 1066 /** 1067 * The offset of the array length word in an array object's header. 1068 * 1069 * See {@code arrayOopDesc::length_offset_in_bytes()}. 1070 */ 1071 public final int arrayOopDescLengthOffset() { 1072 return useCompressedClassPointers ? hubOffset + narrowKlassSize : arrayOopDescSize; 1073 } 1074 1075 @HotSpotVMField(name = "Array<int>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1LengthOffset; 1076 @HotSpotVMField(name = "Array<u1>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1DataOffset; 1077 @HotSpotVMField(name = "Array<u2>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU2DataOffset; 1078 @HotSpotVMField(name = "Array<Klass*>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayLengthOffset; 1079 @HotSpotVMField(name = "Array<Klass*>::_data[0]", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayBaseOffset; 1080 1081 @HotSpotVMField(name = "ObjArrayKlass::_element_klass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayClassElementOffset; 1082 1083 @HotSpotVMConstant(name = "FieldInfo::access_flags_offset") @Stable public int fieldInfoAccessFlagsOffset; 1084 @HotSpotVMConstant(name = "FieldInfo::name_index_offset") @Stable public int fieldInfoNameIndexOffset; 1085 @HotSpotVMConstant(name = "FieldInfo::signature_index_offset") @Stable public int fieldInfoSignatureIndexOffset; 1086 @HotSpotVMConstant(name = "FieldInfo::initval_index_offset") @Stable public int fieldInfoInitvalIndexOffset; 1087 @HotSpotVMConstant(name = "FieldInfo::low_packed_offset") @Stable public int fieldInfoLowPackedOffset; 1088 @HotSpotVMConstant(name = "FieldInfo::high_packed_offset") @Stable public int fieldInfoHighPackedOffset; 1089 @HotSpotVMConstant(name = "FieldInfo::field_slots") @Stable public int fieldInfoFieldSlots; 1090 1091 @HotSpotVMConstant(name = "FIELDINFO_TAG_SIZE") @Stable public int fieldInfoTagSize; 1092 1093 @HotSpotVMConstant(name = "JVM_ACC_MONITOR_MATCH") @Stable public int jvmAccMonitorMatch; 1094 @HotSpotVMConstant(name = "JVM_ACC_HAS_MONITOR_BYTECODES") @Stable public int jvmAccHasMonitorBytecodes; 1095 @HotSpotVMConstant(name = "JVM_ACC_HAS_FINALIZER") @Stable public int jvmAccHasFinalizer; 1096 @HotSpotVMConstant(name = "JVM_ACC_FIELD_INTERNAL") @Stable public int jvmAccFieldInternal; 1097 @HotSpotVMConstant(name = "JVM_ACC_FIELD_STABLE") @Stable public int jvmAccFieldStable; 1098 @HotSpotVMConstant(name = "JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE") @Stable public int jvmAccFieldHasGenericSignature; 1099 @HotSpotVMConstant(name = "JVM_ACC_WRITTEN_FLAGS") @Stable public int jvmAccWrittenFlags; 1100 @HotSpotVMConstant(name = "JVM_ACC_IS_CLONEABLE_FAST") @Stable public int jvmAccIsCloneableFast; 1101 1102 // Modifier.SYNTHETIC is not public so we get it via vmStructs. 1103 @HotSpotVMConstant(name = "JVM_ACC_SYNTHETIC") @Stable public int jvmAccSynthetic; 1104 1105 /** 1106 * @see HotSpotResolvedObjectTypeImpl#createField 1107 */ 1108 @HotSpotVMConstant(name = "JVM_RECOGNIZED_FIELD_MODIFIERS") @Stable public int recognizedFieldModifiers; 1109 1110 @HotSpotVMField(name = "Thread::_tlab", type = "ThreadLocalAllocBuffer", get = HotSpotVMField.Type.OFFSET) @Stable public int threadTlabOffset; 1111 1112 @HotSpotVMField(name = "JavaThread::_anchor", type = "JavaFrameAnchor", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadAnchorOffset; 1113 @HotSpotVMField(name = "JavaThread::_threadObj", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadObjectOffset; 1114 @HotSpotVMField(name = "JavaThread::_osthread", type = "OSThread*", get = HotSpotVMField.Type.OFFSET) @Stable public int osThreadOffset; 1115 @HotSpotVMField(name = "JavaThread::_dirty_card_queue", type = "DirtyCardQueue", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadDirtyCardQueueOffset; 1116 @HotSpotVMField(name = "JavaThread::_is_method_handle_return", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int threadIsMethodHandleReturnOffset; 1117 @HotSpotVMField(name = "JavaThread::_satb_mark_queue", type = "SATBMarkQueue", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadSatbMarkQueueOffset; 1118 @HotSpotVMField(name = "JavaThread::_vm_result", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadObjectResultOffset; 1119 @HotSpotVMField(name = "JavaThread::_jvmci_counters", type = "jlong*", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciCountersThreadOffset; 1120 @HotSpotVMField(name = "JavaThread::_reserved_stack_activation", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadReservedStackActivationOffset; 1121 1122 /** 1123 * An invalid value for {@link #rtldDefault}. 1124 */ 1125 public static final long INVALID_RTLD_DEFAULT_HANDLE = 0xDEADFACE; 1126 1127 /** 1128 * Address of the library lookup routine. The C signature of this routine is: 1129 * 1130 * <pre> 1131 * void* (const char *filename, char *ebuf, int ebuflen) 1132 * </pre> 1133 */ 1134 @HotSpotVMAddress(name = "os::dll_load") @Stable public long dllLoad; 1135 1136 /** 1137 * Address of the library lookup routine. The C signature of this routine is: 1138 * 1139 * <pre> 1140 * void* (void* handle, const char* name) 1141 * </pre> 1142 */ 1143 @HotSpotVMAddress(name = "os::dll_lookup") @Stable public long dllLookup; 1144 1145 /** 1146 * A pseudo-handle which when used as the first argument to {@link #dllLookup} means lookup will 1147 * return the first occurrence of the desired symbol using the default library search order. If 1148 * this field is {@value #INVALID_RTLD_DEFAULT_HANDLE}, then this capability is not supported on 1149 * the current platform. 1150 */ 1151 @HotSpotVMAddress(name = "RTLD_DEFAULT", os = {"bsd", "linux"}) @Stable public long rtldDefault = INVALID_RTLD_DEFAULT_HANDLE; 1152 1153 /** 1154 * This field is used to pass exception objects into and out of the runtime system during 1155 * exception handling for compiled code. 1156 */ 1157 @HotSpotVMField(name = "JavaThread::_exception_oop", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadExceptionOopOffset; 1158 @HotSpotVMField(name = "JavaThread::_exception_pc", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int threadExceptionPcOffset; 1159 @HotSpotVMField(name = "ThreadShadow::_pending_exception", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingExceptionOffset; 1160 1161 @HotSpotVMField(name = "JavaThread::_pending_deoptimization", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingDeoptimizationOffset; 1162 @HotSpotVMField(name = "JavaThread::_pending_failed_speculation", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingFailedSpeculationOffset; 1163 @HotSpotVMField(name = "JavaThread::_pending_transfer_to_interpreter", type = "bool", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingTransferToInterpreterOffset; 1164 1165 @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_sp", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET) @Stable private int javaFrameAnchorLastJavaSpOffset; 1166 @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_pc", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable private int javaFrameAnchorLastJavaPcOffset; 1167 @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_fp", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET, archs = {"aarch64, amd64"}) @Stable private int javaFrameAnchorLastJavaFpOffset; 1168 @HotSpotVMField(name = "JavaFrameAnchor::_flags", type = "int", get = HotSpotVMField.Type.OFFSET, archs = {"sparc"}) @Stable private int javaFrameAnchorFlagsOffset; 1169 1170 public int threadLastJavaSpOffset() { 1171 return javaThreadAnchorOffset + javaFrameAnchorLastJavaSpOffset; 1172 } 1173 1174 public int threadLastJavaPcOffset() { 1175 return javaThreadAnchorOffset + javaFrameAnchorLastJavaPcOffset; 1176 } 1177 1178 public int threadLastJavaFpOffset() { 1179 assert getHostArchitectureName().equals("aarch64") || getHostArchitectureName().equals("amd64"); 1180 return javaThreadAnchorOffset + javaFrameAnchorLastJavaFpOffset; 1181 } 1182 1183 /** 1184 * This value is only valid on SPARC. 1185 */ 1186 public int threadJavaFrameAnchorFlagsOffset() { 1187 // TODO add an assert for SPARC 1188 return javaThreadAnchorOffset + javaFrameAnchorFlagsOffset; 1189 } 1190 1191 // These are only valid on AMD64. 1192 @HotSpotVMConstant(name = "frame::arg_reg_save_area_bytes", archs = {"amd64"}) @Stable public int runtimeCallStackSize; 1193 @HotSpotVMConstant(name = "frame::interpreter_frame_sender_sp_offset", archs = {"amd64"}) @Stable public int frameInterpreterFrameSenderSpOffset; 1194 @HotSpotVMConstant(name = "frame::interpreter_frame_last_sp_offset", archs = {"amd64"}) @Stable public int frameInterpreterFrameLastSpOffset; 1195 1196 @HotSpotVMConstant(name = "dirtyCardQueueBufferOffset") @Stable private int dirtyCardQueueBufferOffset; 1197 @HotSpotVMConstant(name = "dirtyCardQueueIndexOffset") @Stable private int dirtyCardQueueIndexOffset; 1198 1199 @HotSpotVMConstant(name = "satbMarkQueueBufferOffset") @Stable private int satbMarkQueueBufferOffset; 1200 @HotSpotVMConstant(name = "satbMarkQueueIndexOffset") @Stable private int satbMarkQueueIndexOffset; 1201 @HotSpotVMConstant(name = "satbMarkQueueActiveOffset") @Stable private int satbMarkQueueActiveOffset; 1202 1203 @HotSpotVMField(name = "OSThread::_interrupted", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int osThreadInterruptedOffset; 1204 1205 @HotSpotVMConstant(name = "markOopDesc::hash_shift") @Stable public long markOopDescHashShift; 1206 1207 @HotSpotVMConstant(name = "markOopDesc::biased_lock_mask_in_place") @Stable public int biasedLockMaskInPlace; 1208 @HotSpotVMConstant(name = "markOopDesc::age_mask_in_place") @Stable public int ageMaskInPlace; 1209 @HotSpotVMConstant(name = "markOopDesc::epoch_mask_in_place") @Stable public int epochMaskInPlace; 1210 @HotSpotVMConstant(name = "markOopDesc::hash_mask") @Stable public long markOopDescHashMask; 1211 @HotSpotVMConstant(name = "markOopDesc::hash_mask_in_place") @Stable public long markOopDescHashMaskInPlace; 1212 1213 @HotSpotVMConstant(name = "markOopDesc::unlocked_value") @Stable public int unlockedMask; 1214 @HotSpotVMConstant(name = "markOopDesc::biased_lock_pattern") @Stable public int biasedLockPattern; 1215 1216 @HotSpotVMConstant(name = "markOopDesc::no_hash_in_place") @Stable public int markWordNoHashInPlace; 1217 @HotSpotVMConstant(name = "markOopDesc::no_lock_in_place") @Stable public int markWordNoLockInPlace; 1218 1219 /** 1220 * See {@code markOopDesc::prototype()}. 1221 */ 1222 public long arrayPrototypeMarkWord() { 1223 return markWordNoHashInPlace | markWordNoLockInPlace; 1224 } 1225 1226 /** 1227 * See {@code markOopDesc::copy_set_hash()}. 1228 */ 1229 public long tlabIntArrayMarkWord() { 1230 long tmp = arrayPrototypeMarkWord() & (~markOopDescHashMaskInPlace); 1231 tmp |= ((0x2 & markOopDescHashMask) << markOopDescHashShift); 1232 return tmp; 1233 } 1234 1235 /** 1236 * Mark word right shift to get identity hash code. 1237 */ 1238 @HotSpotVMConstant(name = "markOopDesc::hash_shift") @Stable public int identityHashCodeShift; 1239 1240 /** 1241 * Identity hash code value when uninitialized. 1242 */ 1243 @HotSpotVMConstant(name = "markOopDesc::no_hash") @Stable public int uninitializedIdentityHashCodeValue; 1244 1245 @HotSpotVMField(name = "Method::_access_flags", type = "AccessFlags", get = HotSpotVMField.Type.OFFSET) @Stable public int methodAccessFlagsOffset; 1246 @HotSpotVMField(name = "Method::_constMethod", type = "ConstMethod*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodConstMethodOffset; 1247 @HotSpotVMField(name = "Method::_intrinsic_id", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodIntrinsicIdOffset; 1248 @HotSpotVMField(name = "Method::_flags", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodFlagsOffset; 1249 @HotSpotVMField(name = "Method::_vtable_index", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodVtableIndexOffset; 1250 1251 @HotSpotVMField(name = "Method::_method_counters", type = "MethodCounters*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCountersOffset; 1252 @HotSpotVMField(name = "Method::_method_data", type = "MethodData*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOffset; 1253 @HotSpotVMField(name = "Method::_from_compiled_entry", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCompiledEntryOffset; 1254 @HotSpotVMField(name = "Method::_code", type = "CompiledMethod*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCodeOffset; 1255 1256 @HotSpotVMConstant(name = "Method::_jfr_towrite") @Stable public int methodFlagsJfrTowrite; 1257 @HotSpotVMConstant(name = "Method::_caller_sensitive") @Stable public int methodFlagsCallerSensitive; 1258 @HotSpotVMConstant(name = "Method::_force_inline") @Stable public int methodFlagsForceInline; 1259 @HotSpotVMConstant(name = "Method::_dont_inline") @Stable public int methodFlagsDontInline; 1260 @HotSpotVMConstant(name = "Method::_hidden") @Stable public int methodFlagsHidden; 1261 @HotSpotVMConstant(name = "Method::_reserved_stack_access") @Stable public int methodFlagsReservedStackAccess; 1262 @HotSpotVMConstant(name = "Method::nonvirtual_vtable_index") @Stable public int nonvirtualVtableIndex; 1263 @HotSpotVMConstant(name = "Method::invalid_vtable_index") @Stable public int invalidVtableIndex; 1264 1265 @HotSpotVMField(name = "MethodCounters::_invocation_counter", type = "InvocationCounter", get = HotSpotVMField.Type.OFFSET) @Stable public int invocationCounterOffset; 1266 @HotSpotVMField(name = "MethodCounters::_backedge_counter", type = "InvocationCounter", get = HotSpotVMField.Type.OFFSET) @Stable public int backedgeCounterOffset; 1267 @HotSpotVMConstant(name = "InvocationCounter::count_increment") @Stable public int invocationCounterIncrement; 1268 @HotSpotVMConstant(name = "InvocationCounter::count_shift") @Stable public int invocationCounterShift; 1269 1270 @HotSpotVMField(name = "MethodData::_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataSize; 1271 @HotSpotVMField(name = "MethodData::_data_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataDataSize; 1272 @HotSpotVMField(name = "MethodData::_data[0]", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOopDataOffset; 1273 @HotSpotVMField(name = "MethodData::_trap_hist._array[0]", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOopTrapHistoryOffset; 1274 @HotSpotVMField(name = "MethodData::_jvmci_ir_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataIRSizeOffset; 1275 1276 @HotSpotVMField(name = "nmethod::_verified_entry_point", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int nmethodEntryOffset; 1277 @HotSpotVMField(name = "nmethod::_comp_level", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int nmethodCompLevelOffset; 1278 1279 @HotSpotVMConstant(name = "CompLevel_none") @Stable public int compilationLevelNone; 1280 @HotSpotVMConstant(name = "CompLevel_simple") @Stable public int compilationLevelSimple; 1281 @HotSpotVMConstant(name = "CompLevel_limited_profile") @Stable public int compilationLevelLimitedProfile; 1282 @HotSpotVMConstant(name = "CompLevel_full_profile") @Stable public int compilationLevelFullProfile; 1283 @HotSpotVMConstant(name = "CompLevel_full_optimization") @Stable public int compilationLevelFullOptimization; 1284 1285 @HotSpotVMConstant(name = "JVMCIRuntime::none") @Stable public int compLevelAdjustmentNone; 1286 @HotSpotVMConstant(name = "JVMCIRuntime::by_holder") @Stable public int compLevelAdjustmentByHolder; 1287 @HotSpotVMConstant(name = "JVMCIRuntime::by_full_signature") @Stable public int compLevelAdjustmentByFullSignature; 1288 1289 @HotSpotVMConstant(name = "InvocationEntryBci") @Stable public int invocationEntryBci; 1290 1291 @HotSpotVMField(name = "JVMCIEnv::_task", type = "CompileTask*", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciEnvTaskOffset; 1292 @HotSpotVMField(name = "JVMCIEnv::_jvmti_can_hotswap_or_post_breakpoint", type = "bool", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciEnvJvmtiCanHotswapOrPostBreakpointOffset; 1293 @HotSpotVMField(name = "CompileTask::_num_inlined_bytecodes", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int compileTaskNumInlinedBytecodesOffset; 1294 1295 @HotSpotVMField(name = "CompilerToVM::Data::Method_extra_stack_entries", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int extraStackEntries; 1296 1297 @HotSpotVMField(name = "ConstMethod::_constants", type = "ConstantPool*", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodConstantsOffset; 1298 @HotSpotVMField(name = "ConstMethod::_flags", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodFlagsOffset; 1299 @HotSpotVMField(name = "ConstMethod::_code_size", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodCodeSizeOffset; 1300 @HotSpotVMField(name = "ConstMethod::_name_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodNameIndexOffset; 1301 @HotSpotVMField(name = "ConstMethod::_signature_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodSignatureIndexOffset; 1302 @HotSpotVMField(name = "ConstMethod::_max_stack", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodMaxStackOffset; 1303 @HotSpotVMField(name = "ConstMethod::_max_locals", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodMaxLocalsOffset; 1304 1305 @HotSpotVMConstant(name = "ConstMethod::_has_linenumber_table") @Stable public int constMethodHasLineNumberTable; 1306 @HotSpotVMConstant(name = "ConstMethod::_has_localvariable_table") @Stable public int constMethodHasLocalVariableTable; 1307 @HotSpotVMConstant(name = "ConstMethod::_has_exception_table") @Stable public int constMethodHasExceptionTable; 1308 1309 @HotSpotVMType(name = "ExceptionTableElement", get = HotSpotVMType.Type.SIZE) @Stable public int exceptionTableElementSize; 1310 @HotSpotVMField(name = "ExceptionTableElement::start_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementStartPcOffset; 1311 @HotSpotVMField(name = "ExceptionTableElement::end_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementEndPcOffset; 1312 @HotSpotVMField(name = "ExceptionTableElement::handler_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementHandlerPcOffset; 1313 @HotSpotVMField(name = "ExceptionTableElement::catch_type_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementCatchTypeIndexOffset; 1314 1315 @HotSpotVMType(name = "LocalVariableTableElement", get = HotSpotVMType.Type.SIZE) @Stable public int localVariableTableElementSize; 1316 @HotSpotVMField(name = "LocalVariableTableElement::start_bci", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementStartBciOffset; 1317 @HotSpotVMField(name = "LocalVariableTableElement::length", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementLengthOffset; 1318 @HotSpotVMField(name = "LocalVariableTableElement::name_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementNameCpIndexOffset; 1319 @HotSpotVMField(name = "LocalVariableTableElement::descriptor_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementDescriptorCpIndexOffset; 1320 @HotSpotVMField(name = "LocalVariableTableElement::signature_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementSignatureCpIndexOffset; 1321 @HotSpotVMField(name = "LocalVariableTableElement::slot", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementSlotOffset; 1322 1323 @HotSpotVMType(name = "ConstantPool", get = HotSpotVMType.Type.SIZE) @Stable public int constantPoolSize; 1324 @HotSpotVMField(name = "ConstantPool::_tags", type = "Array<u1>*", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolTagsOffset; 1325 @HotSpotVMField(name = "ConstantPool::_pool_holder", type = "InstanceKlass*", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolHolderOffset; 1326 @HotSpotVMField(name = "ConstantPool::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolLengthOffset; 1327 1328 @HotSpotVMConstant(name = "ConstantPool::CPCACHE_INDEX_TAG") @Stable public int constantPoolCpCacheIndexTag; 1329 1330 @HotSpotVMConstant(name = "JVM_CONSTANT_Utf8") @Stable public int jvmConstantUtf8; 1331 @HotSpotVMConstant(name = "JVM_CONSTANT_Integer") @Stable public int jvmConstantInteger; 1332 @HotSpotVMConstant(name = "JVM_CONSTANT_Long") @Stable public int jvmConstantLong; 1333 @HotSpotVMConstant(name = "JVM_CONSTANT_Float") @Stable public int jvmConstantFloat; 1334 @HotSpotVMConstant(name = "JVM_CONSTANT_Double") @Stable public int jvmConstantDouble; 1335 @HotSpotVMConstant(name = "JVM_CONSTANT_Class") @Stable public int jvmConstantClass; 1336 @HotSpotVMConstant(name = "JVM_CONSTANT_UnresolvedClass") @Stable public int jvmConstantUnresolvedClass; 1337 @HotSpotVMConstant(name = "JVM_CONSTANT_UnresolvedClassInError") @Stable public int jvmConstantUnresolvedClassInError; 1338 @HotSpotVMConstant(name = "JVM_CONSTANT_String") @Stable public int jvmConstantString; 1339 @HotSpotVMConstant(name = "JVM_CONSTANT_Fieldref") @Stable public int jvmConstantFieldref; 1340 @HotSpotVMConstant(name = "JVM_CONSTANT_Methodref") @Stable public int jvmConstantMethodref; 1341 @HotSpotVMConstant(name = "JVM_CONSTANT_InterfaceMethodref") @Stable public int jvmConstantInterfaceMethodref; 1342 @HotSpotVMConstant(name = "JVM_CONSTANT_NameAndType") @Stable public int jvmConstantNameAndType; 1343 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodHandle") @Stable public int jvmConstantMethodHandle; 1344 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodHandleInError") @Stable public int jvmConstantMethodHandleInError; 1345 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodType") @Stable public int jvmConstantMethodType; 1346 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodTypeInError") @Stable public int jvmConstantMethodTypeInError; 1347 @HotSpotVMConstant(name = "JVM_CONSTANT_InvokeDynamic") @Stable public int jvmConstantInvokeDynamic; 1348 1349 @HotSpotVMConstant(name = "JVM_CONSTANT_ExternalMax") @Stable public int jvmConstantExternalMax; 1350 @HotSpotVMConstant(name = "JVM_CONSTANT_InternalMin") @Stable public int jvmConstantInternalMin; 1351 @HotSpotVMConstant(name = "JVM_CONSTANT_InternalMax") @Stable public int jvmConstantInternalMax; 1352 1353 @HotSpotVMConstant(name = "HeapWordSize") @Stable public int heapWordSize; 1354 1355 @HotSpotVMType(name = "Symbol*", get = HotSpotVMType.Type.SIZE) @Stable public int symbolPointerSize; 1356 1357 @HotSpotVMField(name = "vmSymbols::_symbols[0]", type = "Symbol*", get = HotSpotVMField.Type.ADDRESS) @Stable public long vmSymbolsSymbols; 1358 @HotSpotVMConstant(name = "vmSymbols::FIRST_SID") @Stable public int vmSymbolsFirstSID; 1359 @HotSpotVMConstant(name = "vmSymbols::SID_LIMIT") @Stable public int vmSymbolsSIDLimit; 1360 1361 /** 1362 * Bit pattern that represents a non-oop. Neither the high bits nor the low bits of this value 1363 * are allowed to look like (respectively) the high or low bits of a real oop. 1364 */ 1365 @HotSpotVMField(name = "CompilerToVM::Data::Universe_non_oop_bits", type = "void*", get = HotSpotVMField.Type.VALUE) @Stable public long nonOopBits; 1366 1367 @HotSpotVMField(name = "StubRoutines::_verify_oop_count", type = "jint", get = HotSpotVMField.Type.ADDRESS) @Stable public long verifyOopCounterAddress; 1368 @HotSpotVMField(name = "CompilerToVM::Data::Universe_verify_oop_mask", type = "uintptr_t", get = HotSpotVMField.Type.VALUE) @Stable public long verifyOopMask; 1369 @HotSpotVMField(name = "CompilerToVM::Data::Universe_verify_oop_bits", type = "uintptr_t", get = HotSpotVMField.Type.VALUE) @Stable public long verifyOopBits; 1370 @HotSpotVMField(name = "CompilerToVM::Data::Universe_base_vtable_size", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int universeBaseVtableSize; 1371 1372 public final int baseVtableLength() { 1373 return universeBaseVtableSize / vtableEntrySize; 1374 } 1375 1376 @HotSpotVMField(name = "HeapRegion::LogOfHRGrainBytes", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int logOfHRGrainBytes; 1377 1378 @HotSpotVMConstant(name = "CardTableModRefBS::dirty_card") @Stable public byte dirtyCardValue; 1379 @HotSpotVMConstant(name = "G1SATBCardTableModRefBS::g1_young_gen") @Stable public byte g1YoungCardValue; 1380 1381 @HotSpotVMField(name = "CompilerToVM::Data::cardtable_start_address", type = "jbyte*", get = HotSpotVMField.Type.VALUE) @Stable private long cardtableStartAddress; 1382 @HotSpotVMField(name = "CompilerToVM::Data::cardtable_shift", type = "int", get = HotSpotVMField.Type.VALUE) @Stable private int cardtableShift; 1383 1384 public long cardtableStartAddress() { 1385 return cardtableStartAddress; 1386 } 1387 1388 public int cardtableShift() { 1389 return cardtableShift; 1390 } 1391 1392 @HotSpotVMField(name = "os::_polling_page", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long safepointPollingAddress; 1393 1394 // G1 Collector Related Values. 1395 1396 public int g1CardQueueIndexOffset() { 1397 return javaThreadDirtyCardQueueOffset + dirtyCardQueueIndexOffset; 1398 } 1399 1400 public int g1CardQueueBufferOffset() { 1401 return javaThreadDirtyCardQueueOffset + dirtyCardQueueBufferOffset; 1402 } 1403 1404 public int g1SATBQueueMarkingOffset() { 1405 return javaThreadSatbMarkQueueOffset + satbMarkQueueActiveOffset; 1406 } 1407 1408 public int g1SATBQueueIndexOffset() { 1409 return javaThreadSatbMarkQueueOffset + satbMarkQueueIndexOffset; 1410 } 1411 1412 public int g1SATBQueueBufferOffset() { 1413 return javaThreadSatbMarkQueueOffset + satbMarkQueueBufferOffset; 1414 } 1415 1416 @HotSpotVMField(name = "java_lang_Class::_klass_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int klassOffset; 1417 @HotSpotVMField(name = "java_lang_Class::_array_klass_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int arrayKlassOffset; 1418 1419 @HotSpotVMType(name = "BasicLock", get = HotSpotVMType.Type.SIZE) @Stable public int basicLockSize; 1420 @HotSpotVMField(name = "BasicLock::_displaced_header", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int basicLockDisplacedHeaderOffset; 1421 1422 @HotSpotVMField(name = "Thread::_allocated_bytes", type = "jlong", get = HotSpotVMField.Type.OFFSET) @Stable public int threadAllocatedBytesOffset; 1423 1424 @HotSpotVMFlag(name = "TLABWasteIncrement") @Stable public int tlabRefillWasteIncrement; 1425 1426 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_start", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferStartOffset; 1427 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_end", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferEndOffset; 1428 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_top", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferTopOffset; 1429 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_pf_top", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferPfTopOffset; 1430 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_slow_allocations", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferSlowAllocationsOffset; 1431 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_fast_refill_waste", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferFastRefillWasteOffset; 1432 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_number_of_refills", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferNumberOfRefillsOffset; 1433 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_refill_waste_limit", type = "size_t", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferRefillWasteLimitOffset; 1434 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_desired_size", type = "size_t", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferDesiredSizeOffset; 1435 1436 public int tlabSlowAllocationsOffset() { 1437 return threadTlabOffset + threadLocalAllocBufferSlowAllocationsOffset; 1438 } 1439 1440 public int tlabFastRefillWasteOffset() { 1441 return threadTlabOffset + threadLocalAllocBufferFastRefillWasteOffset; 1442 } 1443 1444 public int tlabNumberOfRefillsOffset() { 1445 return threadTlabOffset + threadLocalAllocBufferNumberOfRefillsOffset; 1446 } 1447 1448 public int tlabRefillWasteLimitOffset() { 1449 return threadTlabOffset + threadLocalAllocBufferRefillWasteLimitOffset; 1450 } 1451 1452 public int threadTlabSizeOffset() { 1453 return threadTlabOffset + threadLocalAllocBufferDesiredSizeOffset; 1454 } 1455 1456 public int threadTlabStartOffset() { 1457 return threadTlabOffset + threadLocalAllocBufferStartOffset; 1458 } 1459 1460 public int threadTlabEndOffset() { 1461 return threadTlabOffset + threadLocalAllocBufferEndOffset; 1462 } 1463 1464 public int threadTlabTopOffset() { 1465 return threadTlabOffset + threadLocalAllocBufferTopOffset; 1466 } 1467 1468 public int threadTlabPfTopOffset() { 1469 return threadTlabOffset + threadLocalAllocBufferPfTopOffset; 1470 } 1471 1472 @HotSpotVMField(name = "CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve", type = "size_t", get = HotSpotVMField.Type.VALUE) @Stable public int tlabAlignmentReserve; 1473 1474 @HotSpotVMFlag(name = "TLABStats") @Stable public boolean tlabStats; 1475 1476 // FIXME This is only temporary until the GC code is changed. 1477 @HotSpotVMField(name = "CompilerToVM::Data::_supports_inline_contig_alloc", type = "bool", get = HotSpotVMField.Type.VALUE) @Stable public boolean inlineContiguousAllocationSupported; 1478 @HotSpotVMField(name = "CompilerToVM::Data::_heap_end_addr", type = "HeapWord**", get = HotSpotVMField.Type.VALUE) @Stable public long heapEndAddress; 1479 @HotSpotVMField(name = "CompilerToVM::Data::_heap_top_addr", type = "HeapWord**", get = HotSpotVMField.Type.VALUE) @Stable public long heapTopAddress; 1480 1481 /** 1482 * The DataLayout header size is the same as the cell size. 1483 */ 1484 @HotSpotVMConstant(name = "DataLayout::cell_size") @Stable public int dataLayoutHeaderSize; 1485 @HotSpotVMField(name = "DataLayout::_header._struct._tag", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutTagOffset; 1486 @HotSpotVMField(name = "DataLayout::_header._struct._flags", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutFlagsOffset; 1487 @HotSpotVMField(name = "DataLayout::_header._struct._bci", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutBCIOffset; 1488 @HotSpotVMField(name = "DataLayout::_cells[0]", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutCellsOffset; 1489 @HotSpotVMConstant(name = "DataLayout::cell_size") @Stable public int dataLayoutCellSize; 1490 1491 @HotSpotVMConstant(name = "DataLayout::no_tag") @Stable public int dataLayoutNoTag; 1492 @HotSpotVMConstant(name = "DataLayout::bit_data_tag") @Stable public int dataLayoutBitDataTag; 1493 @HotSpotVMConstant(name = "DataLayout::counter_data_tag") @Stable public int dataLayoutCounterDataTag; 1494 @HotSpotVMConstant(name = "DataLayout::jump_data_tag") @Stable public int dataLayoutJumpDataTag; 1495 @HotSpotVMConstant(name = "DataLayout::receiver_type_data_tag") @Stable public int dataLayoutReceiverTypeDataTag; 1496 @HotSpotVMConstant(name = "DataLayout::virtual_call_data_tag") @Stable public int dataLayoutVirtualCallDataTag; 1497 @HotSpotVMConstant(name = "DataLayout::ret_data_tag") @Stable public int dataLayoutRetDataTag; 1498 @HotSpotVMConstant(name = "DataLayout::branch_data_tag") @Stable public int dataLayoutBranchDataTag; 1499 @HotSpotVMConstant(name = "DataLayout::multi_branch_data_tag") @Stable public int dataLayoutMultiBranchDataTag; 1500 @HotSpotVMConstant(name = "DataLayout::arg_info_data_tag") @Stable public int dataLayoutArgInfoDataTag; 1501 @HotSpotVMConstant(name = "DataLayout::call_type_data_tag") @Stable public int dataLayoutCallTypeDataTag; 1502 @HotSpotVMConstant(name = "DataLayout::virtual_call_type_data_tag") @Stable public int dataLayoutVirtualCallTypeDataTag; 1503 @HotSpotVMConstant(name = "DataLayout::parameters_type_data_tag") @Stable public int dataLayoutParametersTypeDataTag; 1504 @HotSpotVMConstant(name = "DataLayout::speculative_trap_data_tag") @Stable public int dataLayoutSpeculativeTrapDataTag; 1505 1506 @HotSpotVMFlag(name = "BciProfileWidth") @Stable public int bciProfileWidth; 1507 @HotSpotVMFlag(name = "TypeProfileWidth") @Stable public int typeProfileWidth; 1508 @HotSpotVMFlag(name = "MethodProfileWidth") @Stable public int methodProfileWidth; 1509 1510 @HotSpotVMField(name = "CompilerToVM::Data::SharedRuntime_ic_miss_stub", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long inlineCacheMissStub; 1511 @HotSpotVMField(name = "CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long handleWrongMethodStub; 1512 1513 @HotSpotVMField(name = "CompilerToVM::Data::SharedRuntime_deopt_blob_unpack", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long handleDeoptStub; 1514 @HotSpotVMField(name = "CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long uncommonTrapStub; 1515 1516 @HotSpotVMField(name = "CodeCache::_low_bound", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long codeCacheLowBound; 1517 @HotSpotVMField(name = "CodeCache::_high_bound", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long codeCacheHighBound; 1518 1519 @HotSpotVMField(name = "StubRoutines::_aescrypt_encryptBlock", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long aescryptEncryptBlockStub; 1520 @HotSpotVMField(name = "StubRoutines::_aescrypt_decryptBlock", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long aescryptDecryptBlockStub; 1521 @HotSpotVMField(name = "StubRoutines::_cipherBlockChaining_encryptAESCrypt", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long cipherBlockChainingEncryptAESCryptStub; 1522 @HotSpotVMField(name = "StubRoutines::_cipherBlockChaining_decryptAESCrypt", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long cipherBlockChainingDecryptAESCryptStub; 1523 @HotSpotVMField(name = "StubRoutines::_updateBytesCRC32", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long updateBytesCRC32Stub; 1524 @HotSpotVMField(name = "StubRoutines::_crc_table_adr", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long crcTableAddress; 1525 1526 @HotSpotVMField(name = "StubRoutines::_throw_delayed_StackOverflowError_entry", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long throwDelayedStackOverflowErrorEntry; 1527 1528 @HotSpotVMField(name = "StubRoutines::_jbyte_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteArraycopy; 1529 @HotSpotVMField(name = "StubRoutines::_jshort_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortArraycopy; 1530 @HotSpotVMField(name = "StubRoutines::_jint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintArraycopy; 1531 @HotSpotVMField(name = "StubRoutines::_jlong_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongArraycopy; 1532 @HotSpotVMField(name = "StubRoutines::_oop_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopArraycopy; 1533 @HotSpotVMField(name = "StubRoutines::_oop_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopArraycopyUninit; 1534 @HotSpotVMField(name = "StubRoutines::_jbyte_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteDisjointArraycopy; 1535 @HotSpotVMField(name = "StubRoutines::_jshort_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortDisjointArraycopy; 1536 @HotSpotVMField(name = "StubRoutines::_jint_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintDisjointArraycopy; 1537 @HotSpotVMField(name = "StubRoutines::_jlong_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongDisjointArraycopy; 1538 @HotSpotVMField(name = "StubRoutines::_oop_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopDisjointArraycopy; 1539 @HotSpotVMField(name = "StubRoutines::_oop_disjoint_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopDisjointArraycopyUninit; 1540 @HotSpotVMField(name = "StubRoutines::_arrayof_jbyte_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteAlignedArraycopy; 1541 @HotSpotVMField(name = "StubRoutines::_arrayof_jshort_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortAlignedArraycopy; 1542 @HotSpotVMField(name = "StubRoutines::_arrayof_jint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintAlignedArraycopy; 1543 @HotSpotVMField(name = "StubRoutines::_arrayof_jlong_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongAlignedArraycopy; 1544 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedArraycopy; 1545 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedArraycopyUninit; 1546 @HotSpotVMField(name = "StubRoutines::_arrayof_jbyte_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteAlignedDisjointArraycopy; 1547 @HotSpotVMField(name = "StubRoutines::_arrayof_jshort_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortAlignedDisjointArraycopy; 1548 @HotSpotVMField(name = "StubRoutines::_arrayof_jint_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintAlignedDisjointArraycopy; 1549 @HotSpotVMField(name = "StubRoutines::_arrayof_jlong_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongAlignedDisjointArraycopy; 1550 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedDisjointArraycopy; 1551 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedDisjointArraycopyUninit; 1552 @HotSpotVMField(name = "StubRoutines::_checkcast_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long checkcastArraycopy; 1553 @HotSpotVMField(name = "StubRoutines::_checkcast_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long checkcastArraycopyUninit; 1554 @HotSpotVMField(name = "StubRoutines::_unsafe_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long unsafeArraycopy; 1555 @HotSpotVMField(name = "StubRoutines::_generic_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long genericArraycopy; 1556 1557 @HotSpotVMAddress(name = "JVMCIRuntime::new_instance") @Stable public long newInstanceAddress; 1558 @HotSpotVMAddress(name = "JVMCIRuntime::new_array") @Stable public long newArrayAddress; 1559 @HotSpotVMAddress(name = "JVMCIRuntime::new_multi_array") @Stable public long newMultiArrayAddress; 1560 @HotSpotVMAddress(name = "JVMCIRuntime::dynamic_new_array") @Stable public long dynamicNewArrayAddress; 1561 @HotSpotVMAddress(name = "JVMCIRuntime::dynamic_new_instance") @Stable public long dynamicNewInstanceAddress; 1562 1563 @HotSpotVMAddress(name = "JVMCIRuntime::thread_is_interrupted") @Stable public long threadIsInterruptedAddress; 1564 @HotSpotVMAddress(name = "JVMCIRuntime::vm_message") @Stable public long vmMessageAddress; 1565 @HotSpotVMAddress(name = "JVMCIRuntime::identity_hash_code") @Stable public long identityHashCodeAddress; 1566 @HotSpotVMAddress(name = "JVMCIRuntime::exception_handler_for_pc") @Stable public long exceptionHandlerForPcAddress; 1567 @HotSpotVMAddress(name = "JVMCIRuntime::monitorenter") @Stable public long monitorenterAddress; 1568 @HotSpotVMAddress(name = "JVMCIRuntime::monitorexit") @Stable public long monitorexitAddress; 1569 @HotSpotVMAddress(name = "JVMCIRuntime::throw_and_post_jvmti_exception") @Stable public long throwAndPostJvmtiExceptionAddress; 1570 @HotSpotVMAddress(name = "JVMCIRuntime::throw_klass_external_name_exception") @Stable public long throwKlassExternalNameExceptionAddress; 1571 @HotSpotVMAddress(name = "JVMCIRuntime::throw_class_cast_exception") @Stable public long throwClassCastExceptionAddress; 1572 @HotSpotVMAddress(name = "JVMCIRuntime::log_primitive") @Stable public long logPrimitiveAddress; 1573 @HotSpotVMAddress(name = "JVMCIRuntime::log_object") @Stable public long logObjectAddress; 1574 @HotSpotVMAddress(name = "JVMCIRuntime::log_printf") @Stable public long logPrintfAddress; 1575 @HotSpotVMAddress(name = "JVMCIRuntime::vm_error") @Stable public long vmErrorAddress; 1576 @HotSpotVMAddress(name = "JVMCIRuntime::load_and_clear_exception") @Stable public long loadAndClearExceptionAddress; 1577 @HotSpotVMAddress(name = "JVMCIRuntime::write_barrier_pre") @Stable public long writeBarrierPreAddress; 1578 @HotSpotVMAddress(name = "JVMCIRuntime::write_barrier_post") @Stable public long writeBarrierPostAddress; 1579 @HotSpotVMAddress(name = "JVMCIRuntime::validate_object") @Stable public long validateObject; 1580 1581 @HotSpotVMAddress(name = "JVMCIRuntime::test_deoptimize_call_int") @Stable public long testDeoptimizeCallInt; 1582 1583 @HotSpotVMAddress(name = "SharedRuntime::register_finalizer") @Stable public long registerFinalizerAddress; 1584 @HotSpotVMAddress(name = "SharedRuntime::exception_handler_for_return_address") @Stable public long exceptionHandlerForReturnAddressAddress; 1585 @HotSpotVMAddress(name = "SharedRuntime::OSR_migration_end") @Stable public long osrMigrationEndAddress; 1586 @HotSpotVMAddress(name = "SharedRuntime::enable_stack_reserved_zone") @Stable public long enableStackReservedZoneAddress; 1587 1588 @HotSpotVMAddress(name = "os::javaTimeMillis") @Stable public long javaTimeMillisAddress; 1589 @HotSpotVMAddress(name = "os::javaTimeNanos") @Stable public long javaTimeNanosAddress; 1590 @HotSpotVMField(name = "CompilerToVM::Data::dsin", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticSinAddress; 1591 @HotSpotVMField(name = "CompilerToVM::Data::dcos", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticCosAddress; 1592 @HotSpotVMField(name = "CompilerToVM::Data::dtan", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticTanAddress; 1593 @HotSpotVMField(name = "CompilerToVM::Data::dexp", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticExpAddress; 1594 @HotSpotVMField(name = "CompilerToVM::Data::dlog", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticLogAddress; 1595 @HotSpotVMField(name = "CompilerToVM::Data::dlog10", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticLog10Address; 1596 @HotSpotVMField(name = "CompilerToVM::Data::dpow", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticPowAddress; 1597 1598 @HotSpotVMFlag(name = "JVMCICounterSize") @Stable public int jvmciCountersSize; 1599 1600 @HotSpotVMAddress(name = "Deoptimization::fetch_unroll_info") @Stable public long deoptimizationFetchUnrollInfo; 1601 @HotSpotVMAddress(name = "Deoptimization::uncommon_trap") @Stable public long deoptimizationUncommonTrap; 1602 @HotSpotVMAddress(name = "Deoptimization::unpack_frames") @Stable public long deoptimizationUnpackFrames; 1603 1604 @HotSpotVMConstant(name = "Deoptimization::Reason_none") @Stable public int deoptReasonNone; 1605 @HotSpotVMConstant(name = "Deoptimization::Reason_null_check") @Stable public int deoptReasonNullCheck; 1606 @HotSpotVMConstant(name = "Deoptimization::Reason_range_check") @Stable public int deoptReasonRangeCheck; 1607 @HotSpotVMConstant(name = "Deoptimization::Reason_class_check") @Stable public int deoptReasonClassCheck; 1608 @HotSpotVMConstant(name = "Deoptimization::Reason_array_check") @Stable public int deoptReasonArrayCheck; 1609 @HotSpotVMConstant(name = "Deoptimization::Reason_unreached0") @Stable public int deoptReasonUnreached0; 1610 @HotSpotVMConstant(name = "Deoptimization::Reason_type_checked_inlining") @Stable public int deoptReasonTypeCheckInlining; 1611 @HotSpotVMConstant(name = "Deoptimization::Reason_optimized_type_check") @Stable public int deoptReasonOptimizedTypeCheck; 1612 @HotSpotVMConstant(name = "Deoptimization::Reason_not_compiled_exception_handler") @Stable public int deoptReasonNotCompiledExceptionHandler; 1613 @HotSpotVMConstant(name = "Deoptimization::Reason_unresolved") @Stable public int deoptReasonUnresolved; 1614 @HotSpotVMConstant(name = "Deoptimization::Reason_jsr_mismatch") @Stable public int deoptReasonJsrMismatch; 1615 @HotSpotVMConstant(name = "Deoptimization::Reason_div0_check") @Stable public int deoptReasonDiv0Check; 1616 @HotSpotVMConstant(name = "Deoptimization::Reason_constraint") @Stable public int deoptReasonConstraint; 1617 @HotSpotVMConstant(name = "Deoptimization::Reason_loop_limit_check") @Stable public int deoptReasonLoopLimitCheck; 1618 @HotSpotVMConstant(name = "Deoptimization::Reason_aliasing") @Stable public int deoptReasonAliasing; 1619 @HotSpotVMConstant(name = "Deoptimization::Reason_transfer_to_interpreter") @Stable public int deoptReasonTransferToInterpreter; 1620 @HotSpotVMConstant(name = "Deoptimization::Reason_LIMIT") @Stable public int deoptReasonOSROffset; 1621 1622 @HotSpotVMConstant(name = "Deoptimization::Action_none") @Stable public int deoptActionNone; 1623 @HotSpotVMConstant(name = "Deoptimization::Action_maybe_recompile") @Stable public int deoptActionMaybeRecompile; 1624 @HotSpotVMConstant(name = "Deoptimization::Action_reinterpret") @Stable public int deoptActionReinterpret; 1625 @HotSpotVMConstant(name = "Deoptimization::Action_make_not_entrant") @Stable public int deoptActionMakeNotEntrant; 1626 @HotSpotVMConstant(name = "Deoptimization::Action_make_not_compilable") @Stable public int deoptActionMakeNotCompilable; 1627 1628 @HotSpotVMConstant(name = "Deoptimization::_action_bits") @Stable public int deoptimizationActionBits; 1629 @HotSpotVMConstant(name = "Deoptimization::_reason_bits") @Stable public int deoptimizationReasonBits; 1630 @HotSpotVMConstant(name = "Deoptimization::_debug_id_bits") @Stable public int deoptimizationDebugIdBits; 1631 @HotSpotVMConstant(name = "Deoptimization::_action_shift") @Stable public int deoptimizationActionShift; 1632 @HotSpotVMConstant(name = "Deoptimization::_reason_shift") @Stable public int deoptimizationReasonShift; 1633 @HotSpotVMConstant(name = "Deoptimization::_debug_id_shift") @Stable public int deoptimizationDebugIdShift; 1634 1635 @HotSpotVMConstant(name = "Deoptimization::Unpack_deopt") @Stable public int deoptimizationUnpackDeopt; 1636 @HotSpotVMConstant(name = "Deoptimization::Unpack_exception") @Stable public int deoptimizationUnpackException; 1637 @HotSpotVMConstant(name = "Deoptimization::Unpack_uncommon_trap") @Stable public int deoptimizationUnpackUncommonTrap; 1638 @HotSpotVMConstant(name = "Deoptimization::Unpack_reexecute") @Stable public int deoptimizationUnpackReexecute; 1639 1640 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_size_of_deoptimized_frame", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockSizeOfDeoptimizedFrameOffset; 1641 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_caller_adjustment", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockCallerAdjustmentOffset; 1642 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_number_of_frames", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockNumberOfFramesOffset; 1643 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_total_frame_sizes", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockTotalFrameSizesOffset; 1644 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_unpack_kind", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockUnpackKindOffset; 1645 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_frame_sizes", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockFrameSizesOffset; 1646 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_frame_pcs", type = "address*", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockFramePcsOffset; 1647 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_initial_info", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockInitialInfoOffset; 1648 1649 @HotSpotVMConstant(name = "vmIntrinsics::_invokeBasic") @Stable public int vmIntrinsicInvokeBasic; 1650 @HotSpotVMConstant(name = "vmIntrinsics::_linkToVirtual") @Stable public int vmIntrinsicLinkToVirtual; 1651 @HotSpotVMConstant(name = "vmIntrinsics::_linkToStatic") @Stable public int vmIntrinsicLinkToStatic; 1652 @HotSpotVMConstant(name = "vmIntrinsics::_linkToSpecial") @Stable public int vmIntrinsicLinkToSpecial; 1653 @HotSpotVMConstant(name = "vmIntrinsics::_linkToInterface") @Stable public int vmIntrinsicLinkToInterface; 1654 1655 @HotSpotVMConstant(name = "JVMCIEnv::ok") @Stable public int codeInstallResultOk; 1656 @HotSpotVMConstant(name = "JVMCIEnv::dependencies_failed") @Stable public int codeInstallResultDependenciesFailed; 1657 @HotSpotVMConstant(name = "JVMCIEnv::dependencies_invalid") @Stable public int codeInstallResultDependenciesInvalid; 1658 @HotSpotVMConstant(name = "JVMCIEnv::cache_full") @Stable public int codeInstallResultCacheFull; 1659 @HotSpotVMConstant(name = "JVMCIEnv::code_too_large") @Stable public int codeInstallResultCodeTooLarge; 1660 1661 public String getCodeInstallResultDescription(int codeInstallResult) { 1662 if (codeInstallResult == codeInstallResultOk) { 1663 return "ok"; 1664 } 1665 if (codeInstallResult == codeInstallResultDependenciesFailed) { 1666 return "dependencies failed"; 1667 } 1668 if (codeInstallResult == codeInstallResultDependenciesInvalid) { 1669 return "dependencies invalid"; 1670 } 1671 if (codeInstallResult == codeInstallResultCacheFull) { 1672 return "code cache is full"; 1673 } 1674 if (codeInstallResult == codeInstallResultCodeTooLarge) { 1675 return "code is too large"; 1676 } 1677 assert false : codeInstallResult; 1678 return "unknown"; 1679 } 1680 1681 // Checkstyle: stop 1682 @HotSpotVMConstant(name = "CodeInstaller::VERIFIED_ENTRY") @Stable public int MARKID_VERIFIED_ENTRY; 1683 @HotSpotVMConstant(name = "CodeInstaller::UNVERIFIED_ENTRY") @Stable public int MARKID_UNVERIFIED_ENTRY; 1684 @HotSpotVMConstant(name = "CodeInstaller::OSR_ENTRY") @Stable public int MARKID_OSR_ENTRY; 1685 @HotSpotVMConstant(name = "CodeInstaller::EXCEPTION_HANDLER_ENTRY") @Stable public int MARKID_EXCEPTION_HANDLER_ENTRY; 1686 @HotSpotVMConstant(name = "CodeInstaller::DEOPT_HANDLER_ENTRY") @Stable public int MARKID_DEOPT_HANDLER_ENTRY; 1687 @HotSpotVMConstant(name = "CodeInstaller::INVOKEINTERFACE") @Stable public int MARKID_INVOKEINTERFACE; 1688 @HotSpotVMConstant(name = "CodeInstaller::INVOKEVIRTUAL") @Stable public int MARKID_INVOKEVIRTUAL; 1689 @HotSpotVMConstant(name = "CodeInstaller::INVOKESTATIC") @Stable public int MARKID_INVOKESTATIC; 1690 @HotSpotVMConstant(name = "CodeInstaller::INVOKESPECIAL") @Stable public int MARKID_INVOKESPECIAL; 1691 @HotSpotVMConstant(name = "CodeInstaller::INLINE_INVOKE") @Stable public int MARKID_INLINE_INVOKE; 1692 @HotSpotVMConstant(name = "CodeInstaller::POLL_NEAR") @Stable public int MARKID_POLL_NEAR; 1693 @HotSpotVMConstant(name = "CodeInstaller::POLL_RETURN_NEAR") @Stable public int MARKID_POLL_RETURN_NEAR; 1694 @HotSpotVMConstant(name = "CodeInstaller::POLL_FAR") @Stable public int MARKID_POLL_FAR; 1695 @HotSpotVMConstant(name = "CodeInstaller::POLL_RETURN_FAR") @Stable public int MARKID_POLL_RETURN_FAR; 1696 @HotSpotVMConstant(name = "CodeInstaller::CARD_TABLE_SHIFT") @Stable public int MARKID_CARD_TABLE_SHIFT; 1697 @HotSpotVMConstant(name = "CodeInstaller::CARD_TABLE_ADDRESS") @Stable public int MARKID_CARD_TABLE_ADDRESS; 1698 @HotSpotVMConstant(name = "CodeInstaller::HEAP_TOP_ADDRESS") @Stable public int MARKID_HEAP_TOP_ADDRESS; 1699 @HotSpotVMConstant(name = "CodeInstaller::HEAP_END_ADDRESS") @Stable public int MARKID_HEAP_END_ADDRESS; 1700 @HotSpotVMConstant(name = "CodeInstaller::NARROW_KLASS_BASE_ADDRESS") @Stable public int MARKID_NARROW_KLASS_BASE_ADDRESS; 1701 @HotSpotVMConstant(name = "CodeInstaller::CRC_TABLE_ADDRESS") @Stable public int MARKID_CRC_TABLE_ADDRESS; 1702 @HotSpotVMConstant(name = "CodeInstaller::INVOKE_INVALID") @Stable public int MARKID_INVOKE_INVALID; 1703 1704 @HotSpotVMConstant(name = "BitData::exception_seen_flag") @Stable public int bitDataExceptionSeenFlag; 1705 @HotSpotVMConstant(name = "BitData::null_seen_flag") @Stable public int bitDataNullSeenFlag; 1706 @HotSpotVMConstant(name = "CounterData::count_off") @Stable public int methodDataCountOffset; 1707 @HotSpotVMConstant(name = "JumpData::taken_off_set") @Stable public int jumpDataTakenOffset; 1708 @HotSpotVMConstant(name = "JumpData::displacement_off_set") @Stable public int jumpDataDisplacementOffset; 1709 @HotSpotVMConstant(name = "ReceiverTypeData::nonprofiled_count_off_set") @Stable public int receiverTypeDataNonprofiledCountOffset; 1710 @HotSpotVMConstant(name = "ReceiverTypeData::receiver_type_row_cell_count") @Stable public int receiverTypeDataReceiverTypeRowCellCount; 1711 @HotSpotVMConstant(name = "ReceiverTypeData::receiver0_offset") @Stable public int receiverTypeDataReceiver0Offset; 1712 @HotSpotVMConstant(name = "ReceiverTypeData::count0_offset") @Stable public int receiverTypeDataCount0Offset; 1713 @HotSpotVMConstant(name = "BranchData::not_taken_off_set") @Stable public int branchDataNotTakenOffset; 1714 @HotSpotVMConstant(name = "ArrayData::array_len_off_set") @Stable public int arrayDataArrayLenOffset; 1715 @HotSpotVMConstant(name = "ArrayData::array_start_off_set") @Stable public int arrayDataArrayStartOffset; 1716 @HotSpotVMConstant(name = "MultiBranchData::per_case_cell_count") @Stable public int multiBranchDataPerCaseCellCount; 1717 1718 // Checkstyle: resume 1719 1720 private boolean check() { 1721 for (Field f : getClass().getDeclaredFields()) { 1722 int modifiers = f.getModifiers(); 1723 if (Modifier.isPublic(modifiers) && !Modifier.isStatic(modifiers)) { 1724 assert Modifier.isFinal(modifiers) || f.getAnnotation(Stable.class) != null : "field should either be final or @Stable: " + f; 1725 } 1726 } 1727 1728 assert codeEntryAlignment > 0 : codeEntryAlignment; 1729 assert (layoutHelperArrayTagObjectValue & (1 << (Integer.SIZE - 1))) != 0 : "object array must have first bit set"; 1730 assert (layoutHelperArrayTagTypeValue & (1 << (Integer.SIZE - 1))) != 0 : "type array must have first bit set"; 1731 1732 return true; 1733 } 1734 1735 /** 1736 * A compact representation of the different encoding strategies for Objects and metadata. 1737 */ 1738 public static class CompressEncoding { 1739 public final long base; 1740 public final int shift; 1741 public final int alignment; 1742 1743 CompressEncoding(long base, int shift, int alignment) { 1744 this.base = base; 1745 this.shift = shift; 1746 this.alignment = alignment; 1747 } 1748 1749 public int compress(long ptr) { 1750 if (ptr == 0L) { 1751 return 0; 1752 } else { 1753 return (int) ((ptr - base) >>> shift); 1754 } 1755 } 1756 1757 public long uncompress(int ptr) { 1758 if (ptr == 0) { 1759 return 0L; 1760 } else { 1761 return ((ptr & 0xFFFFFFFFL) << shift) + base; 1762 } 1763 } 1764 1765 @Override 1766 public String toString() { 1767 return "base: " + base + " shift: " + shift + " alignment: " + alignment; 1768 } 1769 1770 @Override 1771 public int hashCode() { 1772 final int prime = 31; 1773 int result = 1; 1774 result = prime * result + alignment; 1775 result = prime * result + (int) (base ^ (base >>> 32)); 1776 result = prime * result + shift; 1777 return result; 1778 } 1779 1780 @Override 1781 public boolean equals(Object obj) { 1782 if (obj instanceof CompressEncoding) { 1783 CompressEncoding other = (CompressEncoding) obj; 1784 return alignment == other.alignment && base == other.base && shift == other.shift; 1785 } else { 1786 return false; 1787 } 1788 } 1789 } 1790 1791 }