1 /* 2 * Copyright (c) 2011, 2015, 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.common.UnsafeUtil.readCString; 26 import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE; 27 28 import java.lang.reflect.*; 29 import java.util.*; 30 31 import sun.misc.*; 32 import jdk.vm.ci.common.*; 33 import jdk.vm.ci.hotspotvmconfig.*; 34 35 //JaCoCo Exclude 36 37 /** 38 * Used to access native configuration details. 39 * 40 * All non-static, public fields in this class are so that they can be compiled as constants. 41 */ 42 public class HotSpotVMConfig { 43 44 /** 45 * Maximum allowed size of allocated area for a frame. 46 */ 47 public final int maxFrameSize = 16 * 1024; 48 49 public HotSpotVMConfig(CompilerToVM compilerToVm) { 50 // Get raw pointer to the array that contains all gHotSpotVM values. 51 final long gHotSpotVMData = compilerToVm.initializeConfiguration(); 52 assert gHotSpotVMData != 0; 53 54 // Make FindBugs happy. 55 gHotSpotVMStructs = 0; 56 gHotSpotVMTypes = 0; 57 gHotSpotVMIntConstants = 0; 58 gHotSpotVMLongConstants = 0; 59 gHotSpotVMAddresses = 0; 60 61 // Initialize the gHotSpotVM fields. 62 for (Field f : HotSpotVMConfig.class.getDeclaredFields()) { 63 if (f.isAnnotationPresent(HotSpotVMData.class)) { 64 HotSpotVMData annotation = f.getAnnotation(HotSpotVMData.class); 65 final int index = annotation.index(); 66 final long value = UNSAFE.getAddress(gHotSpotVMData + Unsafe.ADDRESS_SIZE * index); 67 try { 68 f.setLong(this, value); 69 } catch (IllegalAccessException e) { 70 throw new JVMCIError("index " + index, e); 71 } 72 } 73 } 74 75 // Quick sanity check. 76 assert gHotSpotVMStructs != 0; 77 assert gHotSpotVMTypes != 0; 78 assert gHotSpotVMIntConstants != 0; 79 assert gHotSpotVMLongConstants != 0; 80 assert gHotSpotVMAddresses != 0; 81 82 initialize(); 83 84 oopEncoding = new CompressEncoding(narrowOopBase, narrowOopShift, logMinObjAlignment()); 85 klassEncoding = new CompressEncoding(narrowKlassBase, narrowKlassShift, logKlassAlignment); 86 87 final long barrierSetAddress = UNSAFE.getAddress(universeCollectedHeap + collectedHeapBarrierSetOffset); 88 final int kind = UNSAFE.getInt(barrierSetAddress + barrierSetFakeRttiOffset + fakeRttiConcreteTagOffset); 89 if ((kind == barrierSetCardTableModRef) || (kind == barrierSetCardTableForRS) || (kind == barrierSetCardTableExtension) || (kind == barrierSetG1SATBCT) || (kind == barrierSetG1SATBCTLogging)) { 90 final long base = UNSAFE.getAddress(barrierSetAddress + cardTableModRefBSByteMapBaseOffset); 91 assert base != 0 : "unexpected byte_map_base: " + base; 92 cardtableStartAddress = base; 93 cardtableShift = cardTableModRefBSCardShift; 94 } else if (kind == barrierSetModRef) { 95 // No post barriers 96 cardtableStartAddress = 0; 97 cardtableShift = 0; 98 } else { 99 cardtableStartAddress = -1; 100 cardtableShift = -1; 101 } 102 103 // Now handle all HotSpotVMManual fields. 104 inlineCacheMissStub = inlineCacheMissBlob + UNSAFE.getInt(inlineCacheMissBlob + codeBlobCodeOffsetOffset); 105 handleWrongMethodStub = wrongMethodBlob + UNSAFE.getInt(wrongMethodBlob + codeBlobCodeOffsetOffset); 106 handleDeoptStub = deoptBlob + UNSAFE.getInt(deoptBlob + codeBlobCodeOffsetOffset) + UNSAFE.getInt(deoptBlob + deoptimizationBlobUnpackOffsetOffset); 107 uncommonTrapStub = deoptBlob + UNSAFE.getInt(deoptBlob + codeBlobCodeOffsetOffset) + UNSAFE.getInt(deoptBlob + deoptimizationBlobUncommonTrapOffsetOffset); 108 109 assert check(); 110 assert HotSpotVMConfigVerifier.check(); 111 } 112 113 @Override 114 public String toString() { 115 return getClass().getSimpleName(); 116 } 117 118 /** 119 * Initialize fields by reading their values from vmStructs. 120 */ 121 private void initialize() { 122 // Fill the VM fields hash map. 123 HashMap<String, VMFields.Field> vmFields = new HashMap<>(); 124 for (VMFields.Field e : new VMFields(gHotSpotVMStructs)) { 125 vmFields.put(e.getName(), e); 126 } 127 128 // Fill the VM types hash map. 129 HashMap<String, VMTypes.Type> vmTypes = new HashMap<>(); 130 for (VMTypes.Type e : new VMTypes(gHotSpotVMTypes)) { 131 vmTypes.put(e.getTypeName(), e); 132 } 133 134 // Fill the VM constants hash map. 135 HashMap<String, AbstractConstant> vmConstants = new HashMap<>(); 136 for (AbstractConstant e : new VMIntConstants(gHotSpotVMIntConstants)) { 137 vmConstants.put(e.getName(), e); 138 } 139 for (AbstractConstant e : new VMAddresses(gHotSpotVMLongConstants)) { 140 vmConstants.put(e.getName(), e); 141 } 142 143 // Fill the VM addresses hash map. 144 HashMap<String, VMAddresses.Address> vmAddresses = new HashMap<>(); 145 for (VMAddresses.Address e : new VMAddresses(gHotSpotVMAddresses)) { 146 vmAddresses.put(e.getName(), e); 147 } 148 149 // Fill the flags hash map. 150 HashMap<String, Flags.Flag> flags = new HashMap<>(); 151 for (Flags.Flag e : new Flags(vmFields, vmTypes)) { 152 flags.put(e.getName(), e); 153 } 154 155 String osName = getHostOSName(); 156 String osArch = getHostArchitectureName(); 157 158 for (Field f : HotSpotVMConfig.class.getDeclaredFields()) { 159 if (f.isAnnotationPresent(HotSpotVMField.class)) { 160 HotSpotVMField annotation = f.getAnnotation(HotSpotVMField.class); 161 String name = annotation.name(); 162 String type = annotation.type(); 163 VMFields.Field entry = vmFields.get(name); 164 if (entry == null) { 165 if (!isRequired(osArch, annotation.archs())) { 166 continue; 167 } 168 throw new JVMCIError(f.getName() + ": expected VM field not found: " + name); 169 } 170 171 // Make sure the native type is still the type we expect. 172 if (!type.isEmpty()) { 173 if (!type.equals(entry.getTypeString())) { 174 throw new JVMCIError(f.getName() + ": compiler expects type " + type + " but VM field " + name + " is of type " + entry.getTypeString()); 175 } 176 } 177 178 switch (annotation.get()) { 179 case OFFSET: 180 setField(f, entry.getOffset()); 181 break; 182 case ADDRESS: 183 setField(f, entry.getAddress()); 184 break; 185 case VALUE: 186 setField(f, entry.getValue()); 187 break; 188 default: 189 throw new JVMCIError(f.getName() + ": unknown kind: " + annotation.get()); 190 } 191 } else if (f.isAnnotationPresent(HotSpotVMType.class)) { 192 HotSpotVMType annotation = f.getAnnotation(HotSpotVMType.class); 193 String name = annotation.name(); 194 VMTypes.Type entry = vmTypes.get(name); 195 if (entry == null) { 196 throw new JVMCIError(f.getName() + ": expected VM type not found: " + name); 197 } 198 switch (annotation.get()) { 199 case SIZE: 200 setField(f, entry.getSize()); 201 break; 202 default: 203 throw new JVMCIError(f.getName() + ": unknown kind: " + annotation.get()); 204 } 205 } else if (f.isAnnotationPresent(HotSpotVMConstant.class)) { 206 HotSpotVMConstant annotation = f.getAnnotation(HotSpotVMConstant.class); 207 String name = annotation.name(); 208 AbstractConstant entry = vmConstants.get(name); 209 if (entry == null) { 210 if (!isRequired(osArch, annotation.archs())) { 211 continue; 212 } 213 throw new JVMCIError(f.getName() + ": expected VM constant not found: " + name); 214 } 215 setField(f, entry.getValue()); 216 } else if (f.isAnnotationPresent(HotSpotVMAddress.class)) { 217 HotSpotVMAddress annotation = f.getAnnotation(HotSpotVMAddress.class); 218 String name = annotation.name(); 219 VMAddresses.Address entry = vmAddresses.get(name); 220 if (entry == null) { 221 if (!isRequired(osName, annotation.os())) { 222 continue; 223 } 224 throw new JVMCIError(f.getName() + ": expected VM address not found: " + name); 225 } 226 setField(f, entry.getValue()); 227 } else if (f.isAnnotationPresent(HotSpotVMFlag.class)) { 228 HotSpotVMFlag annotation = f.getAnnotation(HotSpotVMFlag.class); 229 String name = annotation.name(); 230 Flags.Flag entry = flags.get(name); 231 if (entry == null) { 232 if (annotation.optional() || !isRequired(osArch, annotation.archs())) { 233 continue; 234 } 235 throw new JVMCIError(f.getName() + ": expected VM flag not found: " + name); 236 237 } 238 setField(f, entry.getValue()); 239 } 240 } 241 } 242 243 private final CompressEncoding oopEncoding; 244 private final CompressEncoding klassEncoding; 245 246 public CompressEncoding getOopEncoding() { 247 return oopEncoding; 248 } 249 250 public CompressEncoding getKlassEncoding() { 251 return klassEncoding; 252 } 253 254 private void setField(Field field, Object value) { 255 try { 256 Class<?> fieldType = field.getType(); 257 if (fieldType == boolean.class) { 258 if (value instanceof String) { 259 field.setBoolean(this, Boolean.valueOf((String) value)); 260 } else if (value instanceof Boolean) { 261 field.setBoolean(this, (boolean) value); 262 } else if (value instanceof Long) { 263 field.setBoolean(this, ((long) value) != 0); 264 } else { 265 throw new JVMCIError(value.getClass().getSimpleName()); 266 } 267 } else if (fieldType == byte.class) { 268 if (value instanceof Long) { 269 field.setByte(this, (byte) (long) value); 270 } else { 271 throw new JVMCIError(value.getClass().getSimpleName()); 272 } 273 } else if (fieldType == int.class) { 274 if (value instanceof Integer) { 275 field.setInt(this, (int) value); 276 } else if (value instanceof Long) { 277 field.setInt(this, (int) (long) value); 278 } else { 279 throw new JVMCIError(value.getClass().getSimpleName()); 280 } 281 } else if (fieldType == long.class) { 282 field.setLong(this, (long) value); 283 } else { 284 throw new JVMCIError(field.toString()); 285 } 286 } catch (IllegalAccessException e) { 287 throw new JVMCIError("%s: %s", field, e); 288 } 289 } 290 291 /** 292 * Gets the host operating system name. 293 */ 294 private static String getHostOSName() { 295 String osName = System.getProperty("os.name"); 296 switch (osName) { 297 case "Linux": 298 osName = "linux"; 299 break; 300 case "SunOS": 301 osName = "solaris"; 302 break; 303 case "Mac OS X": 304 osName = "bsd"; 305 break; 306 default: 307 // Of course Windows is different... 308 if (osName.startsWith("Windows")) { 309 osName = "windows"; 310 } else { 311 throw new JVMCIError("Unexpected OS name: " + osName); 312 } 313 } 314 return osName; 315 } 316 317 /** 318 * Gets the host architecture name for the purpose of finding the corresponding 319 * {@linkplain HotSpotJVMCIBackendFactory backend}. 320 */ 321 public String getHostArchitectureName() { 322 String arch = System.getProperty("os.arch"); 323 switch (arch) { 324 case "x86_64": 325 arch = "amd64"; 326 break; 327 case "sparcv9": 328 arch = "sparc"; 329 break; 330 } 331 return arch; 332 } 333 334 /** 335 * Determines if the current specification is included in a given set of specifications. 336 * 337 * @param current 338 * @param specification specifies a set of specifications, e.g. architectures or operating 339 * systems. A zero length value implies all. 340 */ 341 private static boolean isRequired(String current, String[] specification) { 342 if (specification.length == 0) { 343 return true; 344 } 345 for (String arch : specification) { 346 if (arch.equals(current)) { 347 return true; 348 } 349 } 350 return false; 351 } 352 353 /** 354 * VMStructEntry (see {@code vmStructs.hpp}). 355 */ 356 @HotSpotVMData(index = 0) @Stable private long gHotSpotVMStructs; 357 @HotSpotVMData(index = 1) @Stable private long gHotSpotVMStructEntryTypeNameOffset; 358 @HotSpotVMData(index = 2) @Stable private long gHotSpotVMStructEntryFieldNameOffset; 359 @HotSpotVMData(index = 3) @Stable private long gHotSpotVMStructEntryTypeStringOffset; 360 @HotSpotVMData(index = 4) @Stable private long gHotSpotVMStructEntryIsStaticOffset; 361 @HotSpotVMData(index = 5) @Stable private long gHotSpotVMStructEntryOffsetOffset; 362 @HotSpotVMData(index = 6) @Stable private long gHotSpotVMStructEntryAddressOffset; 363 @HotSpotVMData(index = 7) @Stable private long gHotSpotVMStructEntryArrayStride; 364 365 final class VMFields implements Iterable<VMFields.Field> { 366 367 private final long address; 368 369 public VMFields(long address) { 370 this.address = address; 371 } 372 373 public Iterator<VMFields.Field> iterator() { 374 return new Iterator<VMFields.Field>() { 375 376 private int index = 0; 377 378 private Field current() { 379 return new Field(address + gHotSpotVMStructEntryArrayStride * index); 380 } 381 382 /** 383 * The last entry is identified by a NULL fieldName. 384 */ 385 public boolean hasNext() { 386 Field entry = current(); 387 return entry.getFieldName() != null; 388 } 389 390 public Field next() { 391 Field entry = current(); 392 index++; 393 return entry; 394 } 395 }; 396 } 397 398 final class Field { 399 400 private final long entryAddress; 401 402 Field(long address) { 403 this.entryAddress = address; 404 } 405 406 public String getTypeName() { 407 long typeNameAddress = UNSAFE.getAddress(entryAddress + gHotSpotVMStructEntryTypeNameOffset); 408 return readCString(UNSAFE, typeNameAddress); 409 } 410 411 public String getFieldName() { 412 long fieldNameAddress = UNSAFE.getAddress(entryAddress + gHotSpotVMStructEntryFieldNameOffset); 413 return readCString(UNSAFE, fieldNameAddress); 414 } 415 416 public String getTypeString() { 417 long typeStringAddress = UNSAFE.getAddress(entryAddress + gHotSpotVMStructEntryTypeStringOffset); 418 return readCString(UNSAFE, typeStringAddress); 419 } 420 421 public boolean isStatic() { 422 return UNSAFE.getInt(entryAddress + gHotSpotVMStructEntryIsStaticOffset) != 0; 423 } 424 425 public long getOffset() { 426 return UNSAFE.getLong(entryAddress + gHotSpotVMStructEntryOffsetOffset); 427 } 428 429 public long getAddress() { 430 return UNSAFE.getAddress(entryAddress + gHotSpotVMStructEntryAddressOffset); 431 } 432 433 public String getName() { 434 String typeName = getTypeName(); 435 String fieldName = getFieldName(); 436 return typeName + "::" + fieldName; 437 } 438 439 public long getValue() { 440 String type = getTypeString(); 441 switch (type) { 442 case "bool": 443 return UNSAFE.getByte(getAddress()); 444 case "int": 445 return UNSAFE.getInt(getAddress()); 446 case "uint64_t": 447 return UNSAFE.getLong(getAddress()); 448 case "address": 449 case "intptr_t": 450 case "uintptr_t": 451 return UNSAFE.getAddress(getAddress()); 452 default: 453 // All foo* types are addresses. 454 if (type.endsWith("*")) { 455 return UNSAFE.getAddress(getAddress()); 456 } 457 throw new JVMCIError(type); 458 } 459 } 460 461 @Override 462 public String toString() { 463 return String.format("Field[typeName=%s, fieldName=%s, typeString=%s, isStatic=%b, offset=%d, address=0x%x]", getTypeName(), getFieldName(), getTypeString(), isStatic(), getOffset(), 464 getAddress()); 465 } 466 } 467 } 468 469 /** 470 * VMTypeEntry (see vmStructs.hpp). 471 */ 472 @HotSpotVMData(index = 8) @Stable private long gHotSpotVMTypes; 473 @HotSpotVMData(index = 9) @Stable private long gHotSpotVMTypeEntryTypeNameOffset; 474 @HotSpotVMData(index = 10) @Stable private long gHotSpotVMTypeEntrySuperclassNameOffset; 475 @HotSpotVMData(index = 11) @Stable private long gHotSpotVMTypeEntryIsOopTypeOffset; 476 @HotSpotVMData(index = 12) @Stable private long gHotSpotVMTypeEntryIsIntegerTypeOffset; 477 @HotSpotVMData(index = 13) @Stable private long gHotSpotVMTypeEntryIsUnsignedOffset; 478 @HotSpotVMData(index = 14) @Stable private long gHotSpotVMTypeEntrySizeOffset; 479 @HotSpotVMData(index = 15) @Stable private long gHotSpotVMTypeEntryArrayStride; 480 481 final class VMTypes implements Iterable<VMTypes.Type> { 482 483 private final long address; 484 485 public VMTypes(long address) { 486 this.address = address; 487 } 488 489 public Iterator<VMTypes.Type> iterator() { 490 return new Iterator<VMTypes.Type>() { 491 492 private int index = 0; 493 494 private Type current() { 495 return new Type(address + gHotSpotVMTypeEntryArrayStride * index); 496 } 497 498 /** 499 * The last entry is identified by a NULL type name. 500 */ 501 public boolean hasNext() { 502 Type entry = current(); 503 return entry.getTypeName() != null; 504 } 505 506 public Type next() { 507 Type entry = current(); 508 index++; 509 return entry; 510 } 511 }; 512 } 513 514 final class Type { 515 516 private final long entryAddress; 517 518 Type(long address) { 519 this.entryAddress = address; 520 } 521 522 public String getTypeName() { 523 long typeNameAddress = UNSAFE.getAddress(entryAddress + gHotSpotVMTypeEntryTypeNameOffset); 524 return readCString(UNSAFE, typeNameAddress); 525 } 526 527 public String getSuperclassName() { 528 long superclassNameAddress = UNSAFE.getAddress(entryAddress + gHotSpotVMTypeEntrySuperclassNameOffset); 529 return readCString(UNSAFE, superclassNameAddress); 530 } 531 532 public boolean isOopType() { 533 return UNSAFE.getInt(entryAddress + gHotSpotVMTypeEntryIsOopTypeOffset) != 0; 534 } 535 536 public boolean isIntegerType() { 537 return UNSAFE.getInt(entryAddress + gHotSpotVMTypeEntryIsIntegerTypeOffset) != 0; 538 } 539 540 public boolean isUnsigned() { 541 return UNSAFE.getInt(entryAddress + gHotSpotVMTypeEntryIsUnsignedOffset) != 0; 542 } 543 544 public long getSize() { 545 return UNSAFE.getLong(entryAddress + gHotSpotVMTypeEntrySizeOffset); 546 } 547 548 @Override 549 public String toString() { 550 return String.format("Type[typeName=%s, superclassName=%s, isOopType=%b, isIntegerType=%b, isUnsigned=%b, size=%d]", getTypeName(), getSuperclassName(), isOopType(), isIntegerType(), 551 isUnsigned(), getSize()); 552 } 553 } 554 } 555 556 public abstract class AbstractConstant { 557 558 protected final long address; 559 protected final long nameOffset; 560 protected final long valueOffset; 561 562 AbstractConstant(long address, long nameOffset, long valueOffset) { 563 this.address = address; 564 this.nameOffset = nameOffset; 565 this.valueOffset = valueOffset; 566 } 567 568 public String getName() { 569 long nameAddress = UNSAFE.getAddress(address + nameOffset); 570 return readCString(UNSAFE, nameAddress); 571 } 572 573 public abstract long getValue(); 574 } 575 576 /** 577 * VMIntConstantEntry (see vmStructs.hpp). 578 */ 579 @HotSpotVMData(index = 16) @Stable private long gHotSpotVMIntConstants; 580 @HotSpotVMData(index = 17) @Stable private long gHotSpotVMIntConstantEntryNameOffset; 581 @HotSpotVMData(index = 18) @Stable private long gHotSpotVMIntConstantEntryValueOffset; 582 @HotSpotVMData(index = 19) @Stable private long gHotSpotVMIntConstantEntryArrayStride; 583 584 final class VMIntConstants implements Iterable<VMIntConstants.Constant> { 585 586 private final long address; 587 588 public VMIntConstants(long address) { 589 this.address = address; 590 } 591 592 public Iterator<VMIntConstants.Constant> iterator() { 593 return new Iterator<VMIntConstants.Constant>() { 594 595 private int index = 0; 596 597 private Constant current() { 598 return new Constant(address + gHotSpotVMIntConstantEntryArrayStride * index); 599 } 600 601 /** 602 * The last entry is identified by a NULL name. 603 */ 604 public boolean hasNext() { 605 Constant entry = current(); 606 return entry.getName() != null; 607 } 608 609 public Constant next() { 610 Constant entry = current(); 611 index++; 612 return entry; 613 } 614 }; 615 } 616 617 final class Constant extends AbstractConstant { 618 619 Constant(long address) { 620 super(address, gHotSpotVMIntConstantEntryNameOffset, gHotSpotVMIntConstantEntryValueOffset); 621 } 622 623 @Override 624 public long getValue() { 625 return UNSAFE.getInt(address + valueOffset); 626 } 627 628 @Override 629 public String toString() { 630 return String.format("IntConstant[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue()); 631 } 632 } 633 } 634 635 /** 636 * VMLongConstantEntry (see vmStructs.hpp). 637 */ 638 @HotSpotVMData(index = 20) @Stable private long gHotSpotVMLongConstants; 639 @HotSpotVMData(index = 21) @Stable private long gHotSpotVMLongConstantEntryNameOffset; 640 @HotSpotVMData(index = 22) @Stable private long gHotSpotVMLongConstantEntryValueOffset; 641 @HotSpotVMData(index = 23) @Stable private long gHotSpotVMLongConstantEntryArrayStride; 642 643 final class VMLongConstants implements Iterable<VMLongConstants.Constant> { 644 645 private final long address; 646 647 public VMLongConstants(long address) { 648 this.address = address; 649 } 650 651 public Iterator<VMLongConstants.Constant> iterator() { 652 return new Iterator<VMLongConstants.Constant>() { 653 654 private int index = 0; 655 656 private Constant currentEntry() { 657 return new Constant(address + gHotSpotVMLongConstantEntryArrayStride * index); 658 } 659 660 /** 661 * The last entry is identified by a NULL name. 662 */ 663 public boolean hasNext() { 664 Constant entry = currentEntry(); 665 return entry.getName() != null; 666 } 667 668 public Constant next() { 669 Constant entry = currentEntry(); 670 index++; 671 return entry; 672 } 673 }; 674 } 675 676 final class Constant extends AbstractConstant { 677 678 Constant(long address) { 679 super(address, gHotSpotVMLongConstantEntryNameOffset, gHotSpotVMLongConstantEntryValueOffset); 680 } 681 682 @Override 683 public long getValue() { 684 return UNSAFE.getLong(address + valueOffset); 685 } 686 687 @Override 688 public String toString() { 689 return String.format("LongConstant[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue()); 690 } 691 } 692 } 693 694 /** 695 * VMAddressEntry (see vmStructs.hpp). 696 */ 697 @HotSpotVMData(index = 24) @Stable private long gHotSpotVMAddresses; 698 @HotSpotVMData(index = 25) @Stable private long gHotSpotVMAddressEntryNameOffset; 699 @HotSpotVMData(index = 26) @Stable private long gHotSpotVMAddressEntryValueOffset; 700 @HotSpotVMData(index = 27) @Stable private long gHotSpotVMAddressEntryArrayStride; 701 702 final class VMAddresses implements Iterable<VMAddresses.Address> { 703 704 private final long address; 705 706 public VMAddresses(long address) { 707 this.address = address; 708 } 709 710 public Iterator<VMAddresses.Address> iterator() { 711 return new Iterator<VMAddresses.Address>() { 712 713 private int index = 0; 714 715 private Address currentEntry() { 716 return new Address(address + gHotSpotVMAddressEntryArrayStride * index); 717 } 718 719 /** 720 * The last entry is identified by a NULL name. 721 */ 722 public boolean hasNext() { 723 Address entry = currentEntry(); 724 return entry.getName() != null; 725 } 726 727 public Address next() { 728 Address entry = currentEntry(); 729 index++; 730 return entry; 731 } 732 }; 733 } 734 735 final class Address extends AbstractConstant { 736 737 Address(long address) { 738 super(address, gHotSpotVMAddressEntryNameOffset, gHotSpotVMAddressEntryValueOffset); 739 } 740 741 @Override 742 public long getValue() { 743 return UNSAFE.getLong(address + valueOffset); 744 } 745 746 @Override 747 public String toString() { 748 return String.format("Address[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue()); 749 } 750 } 751 } 752 753 final class Flags implements Iterable<Flags.Flag> { 754 755 private final long address; 756 private final long entrySize; 757 private final long typeOffset; 758 private final long nameOffset; 759 private final long addrOffset; 760 761 public Flags(HashMap<String, VMFields.Field> vmStructs, HashMap<String, VMTypes.Type> vmTypes) { 762 address = vmStructs.get("Flag::flags").getValue(); 763 entrySize = vmTypes.get("Flag").getSize(); 764 typeOffset = vmStructs.get("Flag::_type").getOffset(); 765 nameOffset = vmStructs.get("Flag::_name").getOffset(); 766 addrOffset = vmStructs.get("Flag::_addr").getOffset(); 767 768 assert vmTypes.get("bool").getSize() == Byte.BYTES; 769 assert vmTypes.get("intx").getSize() == Long.BYTES; 770 assert vmTypes.get("uintx").getSize() == Long.BYTES; 771 } 772 773 public Iterator<Flags.Flag> iterator() { 774 return new Iterator<Flags.Flag>() { 775 776 private int index = 0; 777 778 private Flag current() { 779 return new Flag(address + entrySize * index); 780 } 781 782 /** 783 * The last entry is identified by a NULL name. 784 */ 785 public boolean hasNext() { 786 Flag entry = current(); 787 return entry.getName() != null; 788 } 789 790 public Flag next() { 791 Flag entry = current(); 792 index++; 793 return entry; 794 } 795 }; 796 } 797 798 final class Flag { 799 800 private final long entryAddress; 801 802 Flag(long address) { 803 this.entryAddress = address; 804 } 805 806 public String getType() { 807 long typeAddress = UNSAFE.getAddress(entryAddress + typeOffset); 808 return readCString(UNSAFE, typeAddress); 809 } 810 811 public String getName() { 812 long nameAddress = UNSAFE.getAddress(entryAddress + nameOffset); 813 return readCString(UNSAFE, nameAddress); 814 } 815 816 public long getAddr() { 817 return UNSAFE.getAddress(entryAddress + addrOffset); 818 } 819 820 public Object getValue() { 821 switch (getType()) { 822 case "bool": 823 return Boolean.valueOf(UNSAFE.getByte(getAddr()) != 0); 824 case "intx": 825 case "uintx": 826 case "uint64_t": 827 return Long.valueOf(UNSAFE.getLong(getAddr())); 828 case "double": 829 return Double.valueOf(UNSAFE.getDouble(getAddr())); 830 case "ccstr": 831 case "ccstrlist": 832 return readCString(UNSAFE, getAddr()); 833 default: 834 throw new JVMCIError(getType()); 835 } 836 } 837 838 @Override 839 public String toString() { 840 return String.format("Flag[type=%s, name=%s, value=%s]", getType(), getName(), getValue()); 841 } 842 } 843 } 844 845 @HotSpotVMConstant(name = "ASSERT") @Stable public boolean cAssertions; 846 public final boolean windowsOs = System.getProperty("os.name", "").startsWith("Windows"); 847 848 @HotSpotVMFlag(name = "CodeEntryAlignment") @Stable public int codeEntryAlignment; 849 @HotSpotVMFlag(name = "VerifyOops") @Stable public boolean verifyOops; 850 @HotSpotVMFlag(name = "CITime") @Stable public boolean ciTime; 851 @HotSpotVMFlag(name = "CITimeEach") @Stable public boolean ciTimeEach; 852 @HotSpotVMFlag(name = "CompileTheWorldStartAt", optional = true) @Stable public int compileTheWorldStartAt; 853 @HotSpotVMFlag(name = "CompileTheWorldStopAt", optional = true) @Stable public int compileTheWorldStopAt; 854 @HotSpotVMFlag(name = "DontCompileHugeMethods") @Stable public boolean dontCompileHugeMethods; 855 @HotSpotVMFlag(name = "HugeMethodLimit") @Stable public int hugeMethodLimit; 856 @HotSpotVMFlag(name = "PrintInlining") @Stable public boolean printInlining; 857 @HotSpotVMFlag(name = "JVMCIUseFastLocking") @Stable public boolean useFastLocking; 858 @HotSpotVMFlag(name = "ForceUnreachable") @Stable public boolean forceUnreachable; 859 @HotSpotVMFlag(name = "CodeCacheSegmentSize") @Stable public int codeSegmentSize; 860 861 @HotSpotVMFlag(name = "UseTLAB") @Stable public boolean useTLAB; 862 @HotSpotVMFlag(name = "UseBiasedLocking") @Stable public boolean useBiasedLocking; 863 @HotSpotVMFlag(name = "UsePopCountInstruction") @Stable public boolean usePopCountInstruction; 864 @HotSpotVMFlag(name = "UseCountLeadingZerosInstruction", archs = {"amd64"}) @Stable public boolean useCountLeadingZerosInstruction; 865 @HotSpotVMFlag(name = "UseCountTrailingZerosInstruction", archs = {"amd64"}) @Stable public boolean useCountTrailingZerosInstruction; 866 @HotSpotVMFlag(name = "UseAESIntrinsics") @Stable public boolean useAESIntrinsics; 867 @HotSpotVMFlag(name = "UseCRC32Intrinsics") @Stable public boolean useCRC32Intrinsics; 868 @HotSpotVMFlag(name = "UseG1GC") @Stable public boolean useG1GC; 869 @HotSpotVMFlag(name = "UseConcMarkSweepGC") @Stable public boolean useCMSGC; 870 871 @HotSpotVMFlag(name = "AllocatePrefetchStyle") @Stable public int allocatePrefetchStyle; 872 @HotSpotVMFlag(name = "AllocatePrefetchInstr") @Stable public int allocatePrefetchInstr; 873 @HotSpotVMFlag(name = "AllocatePrefetchLines") @Stable public int allocatePrefetchLines; 874 @HotSpotVMFlag(name = "AllocateInstancePrefetchLines") @Stable public int allocateInstancePrefetchLines; 875 @HotSpotVMFlag(name = "AllocatePrefetchStepSize") @Stable public int allocatePrefetchStepSize; 876 @HotSpotVMFlag(name = "AllocatePrefetchDistance") @Stable public int allocatePrefetchDistance; 877 878 @HotSpotVMFlag(name = "FlightRecorder", optional = true) @Stable public boolean flightRecorder; 879 880 @HotSpotVMField(name = "Universe::_collectedHeap", type = "CollectedHeap*", get = HotSpotVMField.Type.VALUE) @Stable private long universeCollectedHeap; 881 @HotSpotVMField(name = "CollectedHeap::_total_collections", type = "unsigned int", get = HotSpotVMField.Type.OFFSET) @Stable private int collectedHeapTotalCollectionsOffset; 882 883 public long gcTotalCollectionsAddress() { 884 return universeCollectedHeap + collectedHeapTotalCollectionsOffset; 885 } 886 887 @HotSpotVMFlag(name = "ReduceInitialCardMarks") @Stable public boolean useDeferredInitBarriers; 888 889 // Compressed Oops related values. 890 @HotSpotVMFlag(name = "UseCompressedOops") @Stable public boolean useCompressedOops; 891 @HotSpotVMFlag(name = "UseCompressedClassPointers") @Stable public boolean useCompressedClassPointers; 892 893 @HotSpotVMField(name = "Universe::_narrow_oop._base", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long narrowOopBase; 894 @HotSpotVMField(name = "Universe::_narrow_oop._shift", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int narrowOopShift; 895 @HotSpotVMFlag(name = "ObjectAlignmentInBytes") @Stable public int objectAlignment; 896 897 public final int minObjAlignment() { 898 return objectAlignment / heapWordSize; 899 } 900 901 public final int logMinObjAlignment() { 902 return (int) (Math.log(objectAlignment) / Math.log(2)); 903 } 904 905 @HotSpotVMType(name = "narrowKlass", get = HotSpotVMType.Type.SIZE) @Stable public int narrowKlassSize; 906 @HotSpotVMField(name = "Universe::_narrow_klass._base", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long narrowKlassBase; 907 @HotSpotVMField(name = "Universe::_narrow_klass._shift", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int narrowKlassShift; 908 @HotSpotVMConstant(name = "LogKlassAlignmentInBytes") @Stable public int logKlassAlignment; 909 910 // CPU capabilities 911 @HotSpotVMFlag(name = "UseSSE") @Stable public int useSSE; 912 @HotSpotVMFlag(name = "UseAVX", archs = {"amd64"}) @Stable public int useAVX; 913 914 @HotSpotVMField(name = "Abstract_VM_Version::_reserve_for_allocation_prefetch", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int abstractVmVersionReserveForAllocationPrefetch; 915 916 // X86 specific values 917 @HotSpotVMField(name = "VM_Version::_cpuFeatures", type = "uint64_t", get = HotSpotVMField.Type.VALUE, archs = {"amd64"}) @Stable public long x86CPUFeatures; 918 @HotSpotVMConstant(name = "VM_Version::CPU_CX8", archs = {"amd64"}) @Stable public long cpuCX8; 919 @HotSpotVMConstant(name = "VM_Version::CPU_CMOV", archs = {"amd64"}) @Stable public long cpuCMOV; 920 @HotSpotVMConstant(name = "VM_Version::CPU_FXSR", archs = {"amd64"}) @Stable public long cpuFXSR; 921 @HotSpotVMConstant(name = "VM_Version::CPU_HT", archs = {"amd64"}) @Stable public long cpuHT; 922 @HotSpotVMConstant(name = "VM_Version::CPU_MMX", archs = {"amd64"}) @Stable public long cpuMMX; 923 @HotSpotVMConstant(name = "VM_Version::CPU_3DNOW_PREFETCH", archs = {"amd64"}) @Stable public long cpu3DNOWPREFETCH; 924 @HotSpotVMConstant(name = "VM_Version::CPU_SSE", archs = {"amd64"}) @Stable public long cpuSSE; 925 @HotSpotVMConstant(name = "VM_Version::CPU_SSE2", archs = {"amd64"}) @Stable public long cpuSSE2; 926 @HotSpotVMConstant(name = "VM_Version::CPU_SSE3", archs = {"amd64"}) @Stable public long cpuSSE3; 927 @HotSpotVMConstant(name = "VM_Version::CPU_SSSE3", archs = {"amd64"}) @Stable public long cpuSSSE3; 928 @HotSpotVMConstant(name = "VM_Version::CPU_SSE4A", archs = {"amd64"}) @Stable public long cpuSSE4A; 929 @HotSpotVMConstant(name = "VM_Version::CPU_SSE4_1", archs = {"amd64"}) @Stable public long cpuSSE41; 930 @HotSpotVMConstant(name = "VM_Version::CPU_SSE4_2", archs = {"amd64"}) @Stable public long cpuSSE42; 931 @HotSpotVMConstant(name = "VM_Version::CPU_POPCNT", archs = {"amd64"}) @Stable public long cpuPOPCNT; 932 @HotSpotVMConstant(name = "VM_Version::CPU_LZCNT", archs = {"amd64"}) @Stable public long cpuLZCNT; 933 @HotSpotVMConstant(name = "VM_Version::CPU_TSC", archs = {"amd64"}) @Stable public long cpuTSC; 934 @HotSpotVMConstant(name = "VM_Version::CPU_TSCINV", archs = {"amd64"}) @Stable public long cpuTSCINV; 935 @HotSpotVMConstant(name = "VM_Version::CPU_AVX", archs = {"amd64"}) @Stable public long cpuAVX; 936 @HotSpotVMConstant(name = "VM_Version::CPU_AVX2", archs = {"amd64"}) @Stable public long cpuAVX2; 937 @HotSpotVMConstant(name = "VM_Version::CPU_AES", archs = {"amd64"}) @Stable public long cpuAES; 938 @HotSpotVMConstant(name = "VM_Version::CPU_ERMS", archs = {"amd64"}) @Stable public long cpuERMS; 939 @HotSpotVMConstant(name = "VM_Version::CPU_CLMUL", archs = {"amd64"}) @Stable public long cpuCLMUL; 940 @HotSpotVMConstant(name = "VM_Version::CPU_BMI1", archs = {"amd64"}) @Stable public long cpuBMI1; 941 942 // SPARC specific values 943 @HotSpotVMField(name = "VM_Version::_features", type = "int", get = HotSpotVMField.Type.VALUE, archs = {"sparc"}) @Stable public int sparcFeatures; 944 @HotSpotVMConstant(name = "VM_Version::vis3_instructions_m", archs = {"sparc"}) @Stable public int vis3Instructions; 945 @HotSpotVMConstant(name = "VM_Version::vis2_instructions_m", archs = {"sparc"}) @Stable public int vis2Instructions; 946 @HotSpotVMConstant(name = "VM_Version::vis1_instructions_m", archs = {"sparc"}) @Stable public int vis1Instructions; 947 @HotSpotVMConstant(name = "VM_Version::cbcond_instructions_m", archs = {"sparc"}) @Stable public int cbcondInstructions; 948 @HotSpotVMFlag(name = "UseBlockZeroing", archs = {"sparc"}) @Stable public boolean useBlockZeroing; 949 @HotSpotVMFlag(name = "BlockZeroingLowLimit", archs = {"sparc"}) @Stable public int blockZeroingLowLimit; 950 951 // offsets, ... 952 @HotSpotVMFlag(name = "StackShadowPages") @Stable public int stackShadowPages; 953 @HotSpotVMFlag(name = "UseStackBanging") @Stable public boolean useStackBanging; 954 @HotSpotVMConstant(name = "STACK_BIAS") @Stable public int stackBias; 955 956 @HotSpotVMField(name = "oopDesc::_mark", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int markOffset; 957 @HotSpotVMField(name = "oopDesc::_metadata._klass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int hubOffset; 958 959 @HotSpotVMField(name = "Klass::_prototype_header", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int prototypeMarkWordOffset; 960 @HotSpotVMField(name = "Klass::_subklass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int subklassOffset; 961 @HotSpotVMField(name = "Klass::_next_sibling", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int nextSiblingOffset; 962 @HotSpotVMField(name = "Klass::_super_check_offset", type = "juint", get = HotSpotVMField.Type.OFFSET) @Stable public int superCheckOffsetOffset; 963 @HotSpotVMField(name = "Klass::_secondary_super_cache", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int secondarySuperCacheOffset; 964 @HotSpotVMField(name = "Klass::_secondary_supers", type = "Array<Klass*>*", get = HotSpotVMField.Type.OFFSET) @Stable public int secondarySupersOffset; 965 966 /** 967 * The offset of the _java_mirror field (of type {@link Class}) in a Klass. 968 */ 969 @HotSpotVMField(name = "Klass::_java_mirror", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int classMirrorOffset; 970 971 @HotSpotVMField(name = "Klass::_super", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int klassSuperKlassOffset; 972 @HotSpotVMField(name = "Klass::_modifier_flags", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int klassModifierFlagsOffset; 973 @HotSpotVMField(name = "Klass::_access_flags", type = "AccessFlags", get = HotSpotVMField.Type.OFFSET) @Stable public int klassAccessFlagsOffset; 974 @HotSpotVMField(name = "Klass::_layout_helper", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int klassLayoutHelperOffset; 975 976 @HotSpotVMConstant(name = "Klass::_lh_neutral_value") @Stable public int klassLayoutHelperNeutralValue; 977 @HotSpotVMConstant(name = "Klass::_lh_instance_slow_path_bit") @Stable public int klassLayoutHelperInstanceSlowPathBit; 978 @HotSpotVMConstant(name = "Klass::_lh_log2_element_size_shift") @Stable public int layoutHelperLog2ElementSizeShift; 979 @HotSpotVMConstant(name = "Klass::_lh_log2_element_size_mask") @Stable public int layoutHelperLog2ElementSizeMask; 980 @HotSpotVMConstant(name = "Klass::_lh_element_type_shift") @Stable public int layoutHelperElementTypeShift; 981 @HotSpotVMConstant(name = "Klass::_lh_element_type_mask") @Stable public int layoutHelperElementTypeMask; 982 @HotSpotVMConstant(name = "Klass::_lh_header_size_shift") @Stable public int layoutHelperHeaderSizeShift; 983 @HotSpotVMConstant(name = "Klass::_lh_header_size_mask") @Stable public int layoutHelperHeaderSizeMask; 984 @HotSpotVMConstant(name = "Klass::_lh_array_tag_shift") @Stable public int layoutHelperArrayTagShift; 985 @HotSpotVMConstant(name = "Klass::_lh_array_tag_type_value") @Stable public int layoutHelperArrayTagTypeValue; 986 @HotSpotVMConstant(name = "Klass::_lh_array_tag_obj_value") @Stable public int layoutHelperArrayTagObjectValue; 987 988 /** 989 * This filters out the bit that differentiates a type array from an object array. 990 */ 991 public int layoutHelperElementTypePrimitiveInPlace() { 992 return (layoutHelperArrayTagTypeValue & ~layoutHelperArrayTagObjectValue) << layoutHelperArrayTagShift; 993 } 994 995 /** 996 * Bit pattern in the klass layout helper that can be used to identify arrays. 997 */ 998 public final int arrayKlassLayoutHelperIdentifier = 0x80000000; 999 1000 @HotSpotVMType(name = "vtableEntry", get = HotSpotVMType.Type.SIZE) @Stable public int vtableEntrySize; 1001 @HotSpotVMField(name = "vtableEntry::_method", type = "Method*", get = HotSpotVMField.Type.OFFSET) @Stable public int vtableEntryMethodOffset; 1002 1003 @HotSpotVMType(name = "InstanceKlass", get = HotSpotVMType.Type.SIZE) @Stable public int instanceKlassSize; 1004 @HotSpotVMField(name = "InstanceKlass::_source_file_name_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassSourceFileNameIndexOffset; 1005 @HotSpotVMField(name = "InstanceKlass::_init_state", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassInitStateOffset; 1006 @HotSpotVMField(name = "InstanceKlass::_constants", type = "ConstantPool*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassConstantsOffset; 1007 @HotSpotVMField(name = "InstanceKlass::_fields", type = "Array<u2>*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassFieldsOffset; 1008 @HotSpotVMField(name = "InstanceKlass::_vtable_len", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassVtableLengthOffset; 1009 1010 @HotSpotVMConstant(name = "InstanceKlass::linked") @Stable public int instanceKlassStateLinked; 1011 @HotSpotVMConstant(name = "InstanceKlass::fully_initialized") @Stable public int instanceKlassStateFullyInitialized; 1012 1013 /** 1014 * See {@code InstanceKlass::vtable_start_offset()}. 1015 */ 1016 public final int instanceKlassVtableStartOffset() { 1017 return roundUp(instanceKlassSize, heapWordSize); 1018 } 1019 1020 // TODO use CodeUtil method once it's moved from NumUtil 1021 private static int roundUp(int number, int mod) { 1022 return ((number + mod - 1) / mod) * mod; 1023 } 1024 1025 @HotSpotVMType(name = "arrayOopDesc", get = HotSpotVMType.Type.SIZE) @Stable public int arrayOopDescSize; 1026 1027 /** 1028 * The offset of the array length word in an array object's header. 1029 * 1030 * See {@code arrayOopDesc::length_offset_in_bytes()}. 1031 */ 1032 public final int arrayOopDescLengthOffset() { 1033 return useCompressedClassPointers ? hubOffset + narrowKlassSize : arrayOopDescSize; 1034 } 1035 1036 @HotSpotVMField(name = "Array<int>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1LengthOffset; 1037 @HotSpotVMField(name = "Array<u1>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1DataOffset; 1038 @HotSpotVMField(name = "Array<u2>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU2DataOffset; 1039 @HotSpotVMField(name = "Array<Klass*>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayLengthOffset; 1040 @HotSpotVMField(name = "Array<Klass*>::_data[0]", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayBaseOffset; 1041 1042 @HotSpotVMField(name = "ObjArrayKlass::_element_klass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayClassElementOffset; 1043 1044 @HotSpotVMConstant(name = "FieldInfo::access_flags_offset") @Stable public int fieldInfoAccessFlagsOffset; 1045 @HotSpotVMConstant(name = "FieldInfo::name_index_offset") @Stable public int fieldInfoNameIndexOffset; 1046 @HotSpotVMConstant(name = "FieldInfo::signature_index_offset") @Stable public int fieldInfoSignatureIndexOffset; 1047 @HotSpotVMConstant(name = "FieldInfo::initval_index_offset") @Stable public int fieldInfoInitvalIndexOffset; 1048 @HotSpotVMConstant(name = "FieldInfo::low_packed_offset") @Stable public int fieldInfoLowPackedOffset; 1049 @HotSpotVMConstant(name = "FieldInfo::high_packed_offset") @Stable public int fieldInfoHighPackedOffset; 1050 @HotSpotVMConstant(name = "FieldInfo::field_slots") @Stable public int fieldInfoFieldSlots; 1051 1052 @HotSpotVMConstant(name = "FIELDINFO_TAG_SIZE") @Stable public int fieldInfoTagSize; 1053 1054 @HotSpotVMConstant(name = "JVM_ACC_FIELD_INTERNAL") @Stable public int jvmAccFieldInternal; 1055 @HotSpotVMConstant(name = "JVM_ACC_FIELD_STABLE") @Stable public int jvmAccFieldStable; 1056 @HotSpotVMConstant(name = "JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE") @Stable public int jvmAccFieldHasGenericSignature; 1057 @HotSpotVMConstant(name = "JVM_ACC_WRITTEN_FLAGS") @Stable public int jvmAccWrittenFlags; 1058 1059 @HotSpotVMField(name = "Thread::_tlab", type = "ThreadLocalAllocBuffer", get = HotSpotVMField.Type.OFFSET) @Stable public int threadTlabOffset; 1060 1061 @HotSpotVMField(name = "JavaThread::_anchor", type = "JavaFrameAnchor", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadAnchorOffset; 1062 @HotSpotVMField(name = "JavaThread::_threadObj", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadObjectOffset; 1063 @HotSpotVMField(name = "JavaThread::_osthread", type = "OSThread*", get = HotSpotVMField.Type.OFFSET) @Stable public int osThreadOffset; 1064 @HotSpotVMField(name = "JavaThread::_dirty_card_queue", type = "DirtyCardQueue", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadDirtyCardQueueOffset; 1065 @HotSpotVMField(name = "JavaThread::_is_method_handle_return", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int threadIsMethodHandleReturnOffset; 1066 @HotSpotVMField(name = "JavaThread::_satb_mark_queue", type = "ObjPtrQueue", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadSatbMarkQueueOffset; 1067 @HotSpotVMField(name = "JavaThread::_vm_result", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadObjectResultOffset; 1068 @HotSpotVMField(name = "JavaThread::_jvmci_counters", type = "jlong*", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciCountersThreadOffset; 1069 1070 /** 1071 * An invalid value for {@link #rtldDefault}. 1072 */ 1073 public static final long INVALID_RTLD_DEFAULT_HANDLE = 0xDEADFACE; 1074 1075 /** 1076 * Address of the library lookup routine. The C signature of this routine is: 1077 * 1078 * <pre> 1079 * void* (const char *filename, char *ebuf, int ebuflen) 1080 * </pre> 1081 */ 1082 @HotSpotVMAddress(name = "os::dll_load") @Stable public long dllLoad; 1083 1084 /** 1085 * Address of the library lookup routine. The C signature of this routine is: 1086 * 1087 * <pre> 1088 * void* (void* handle, const char* name) 1089 * </pre> 1090 */ 1091 @HotSpotVMAddress(name = "os::dll_lookup") @Stable public long dllLookup; 1092 1093 /** 1094 * A pseudo-handle which when used as the first argument to {@link #dllLookup} means lookup will 1095 * return the first occurrence of the desired symbol using the default library search order. If 1096 * this field is {@value #INVALID_RTLD_DEFAULT_HANDLE}, then this capability is not supported on 1097 * the current platform. 1098 */ 1099 @HotSpotVMAddress(name = "RTLD_DEFAULT", os = {"bsd", "linux"}) @Stable public long rtldDefault = INVALID_RTLD_DEFAULT_HANDLE; 1100 1101 /** 1102 * This field is used to pass exception objects into and out of the runtime system during 1103 * exception handling for compiled code. 1104 */ 1105 @HotSpotVMField(name = "JavaThread::_exception_oop", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadExceptionOopOffset; 1106 @HotSpotVMField(name = "JavaThread::_exception_pc", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int threadExceptionPcOffset; 1107 @HotSpotVMField(name = "ThreadShadow::_pending_exception", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingExceptionOffset; 1108 1109 @HotSpotVMField(name = "JavaThread::_pending_deoptimization", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingDeoptimizationOffset; 1110 @HotSpotVMField(name = "JavaThread::_pending_failed_speculation", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingFailedSpeculationOffset; 1111 @HotSpotVMField(name = "JavaThread::_pending_transfer_to_interpreter", type = "bool", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingTransferToInterpreterOffset; 1112 1113 @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_sp", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET) @Stable private int javaFrameAnchorLastJavaSpOffset; 1114 @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_pc", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable private int javaFrameAnchorLastJavaPcOffset; 1115 @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_fp", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET, archs = {"amd64"}) @Stable private int javaFrameAnchorLastJavaFpOffset; 1116 @HotSpotVMField(name = "JavaFrameAnchor::_flags", type = "int", get = HotSpotVMField.Type.OFFSET, archs = {"sparc"}) @Stable private int javaFrameAnchorFlagsOffset; 1117 1118 public int threadLastJavaSpOffset() { 1119 return javaThreadAnchorOffset + javaFrameAnchorLastJavaSpOffset; 1120 } 1121 1122 public int threadLastJavaPcOffset() { 1123 return javaThreadAnchorOffset + javaFrameAnchorLastJavaPcOffset; 1124 } 1125 1126 /** 1127 * This value is only valid on AMD64. 1128 */ 1129 public int threadLastJavaFpOffset() { 1130 // TODO add an assert for AMD64 1131 return javaThreadAnchorOffset + javaFrameAnchorLastJavaFpOffset; 1132 } 1133 1134 /** 1135 * This value is only valid on SPARC. 1136 */ 1137 public int threadJavaFrameAnchorFlagsOffset() { 1138 // TODO add an assert for SPARC 1139 return javaThreadAnchorOffset + javaFrameAnchorFlagsOffset; 1140 } 1141 1142 // These are only valid on AMD64. 1143 @HotSpotVMConstant(name = "frame::arg_reg_save_area_bytes", archs = {"amd64"}) @Stable public int runtimeCallStackSize; 1144 @HotSpotVMConstant(name = "frame::interpreter_frame_sender_sp_offset", archs = {"amd64"}) @Stable public int frameInterpreterFrameSenderSpOffset; 1145 @HotSpotVMConstant(name = "frame::interpreter_frame_last_sp_offset", archs = {"amd64"}) @Stable public int frameInterpreterFrameLastSpOffset; 1146 1147 @HotSpotVMField(name = "PtrQueue::_active", type = "bool", get = HotSpotVMField.Type.OFFSET) @Stable public int ptrQueueActiveOffset; 1148 @HotSpotVMField(name = "PtrQueue::_buf", type = "void**", get = HotSpotVMField.Type.OFFSET) @Stable public int ptrQueueBufferOffset; 1149 @HotSpotVMField(name = "PtrQueue::_index", type = "size_t", get = HotSpotVMField.Type.OFFSET) @Stable public int ptrQueueIndexOffset; 1150 1151 @HotSpotVMField(name = "OSThread::_interrupted", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int osThreadInterruptedOffset; 1152 1153 @HotSpotVMConstant(name = "markOopDesc::unlocked_value") @Stable public int unlockedMask; 1154 @HotSpotVMConstant(name = "markOopDesc::biased_lock_mask_in_place") @Stable public int biasedLockMaskInPlace; 1155 @HotSpotVMConstant(name = "markOopDesc::age_mask_in_place") @Stable public int ageMaskInPlace; 1156 @HotSpotVMConstant(name = "markOopDesc::epoch_mask_in_place") @Stable public int epochMaskInPlace; 1157 1158 @HotSpotVMConstant(name = "markOopDesc::hash_shift") @Stable public long markOopDescHashShift; 1159 @HotSpotVMConstant(name = "markOopDesc::hash_mask") @Stable public long markOopDescHashMask; 1160 @HotSpotVMConstant(name = "markOopDesc::hash_mask_in_place") @Stable public long markOopDescHashMaskInPlace; 1161 1162 @HotSpotVMConstant(name = "markOopDesc::biased_lock_pattern") @Stable public int biasedLockPattern; 1163 @HotSpotVMConstant(name = "markOopDesc::no_hash_in_place") @Stable public int markWordNoHashInPlace; 1164 @HotSpotVMConstant(name = "markOopDesc::no_lock_in_place") @Stable public int markWordNoLockInPlace; 1165 1166 /** 1167 * See {@code markOopDesc::prototype()}. 1168 */ 1169 public long arrayPrototypeMarkWord() { 1170 return markWordNoHashInPlace | markWordNoLockInPlace; 1171 } 1172 1173 /** 1174 * See {@code markOopDesc::copy_set_hash()}. 1175 */ 1176 public long tlabIntArrayMarkWord() { 1177 long tmp = arrayPrototypeMarkWord() & (~markOopDescHashMaskInPlace); 1178 tmp |= ((0x2 & markOopDescHashMask) << markOopDescHashShift); 1179 return tmp; 1180 } 1181 1182 /** 1183 * Mark word right shift to get identity hash code. 1184 */ 1185 @HotSpotVMConstant(name = "markOopDesc::hash_shift") @Stable public int identityHashCodeShift; 1186 1187 /** 1188 * Identity hash code value when uninitialized. 1189 */ 1190 @HotSpotVMConstant(name = "markOopDesc::no_hash") @Stable public int uninitializedIdentityHashCodeValue; 1191 1192 @HotSpotVMField(name = "Method::_access_flags", type = "AccessFlags", get = HotSpotVMField.Type.OFFSET) @Stable public int methodAccessFlagsOffset; 1193 @HotSpotVMField(name = "Method::_constMethod", type = "ConstMethod*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodConstMethodOffset; 1194 @HotSpotVMField(name = "Method::_intrinsic_id", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodIntrinsicIdOffset; 1195 @HotSpotVMField(name = "Method::_flags", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int methodFlagsOffset; 1196 @HotSpotVMField(name = "Method::_vtable_index", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodVtableIndexOffset; 1197 1198 @HotSpotVMConstant(name = "Method::_jfr_towrite") @Stable public int methodFlagsJfrTowrite; 1199 @HotSpotVMConstant(name = "Method::_caller_sensitive") @Stable public int methodFlagsCallerSensitive; 1200 @HotSpotVMConstant(name = "Method::_force_inline") @Stable public int methodFlagsForceInline; 1201 @HotSpotVMConstant(name = "Method::_dont_inline") @Stable public int methodFlagsDontInline; 1202 @HotSpotVMConstant(name = "Method::_hidden") @Stable public int methodFlagsHidden; 1203 @HotSpotVMConstant(name = "Method::nonvirtual_vtable_index") @Stable public int nonvirtualVtableIndex; 1204 @HotSpotVMConstant(name = "Method::invalid_vtable_index") @Stable public int invalidVtableIndex; 1205 1206 @HotSpotVMConstant(name = "InvocationEntryBci") @Stable public int invocationEntryBci; 1207 1208 @HotSpotVMField(name = "JVMCIEnv::_task", type = "CompileTask*", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciEnvTaskOffset; 1209 @HotSpotVMField(name = "JVMCIEnv::_jvmti_can_hotswap_or_post_breakpoint", type = "bool", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciEnvJvmtiCanHotswapOrPostBreakpointOffset; 1210 @HotSpotVMField(name = "CompileTask::_num_inlined_bytecodes", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int compileTaskNumInlinedBytecodesOffset; 1211 1212 /** 1213 * See {@code Method::extra_stack_entries()}. 1214 */ 1215 @HotSpotVMConstant(name = "Method::extra_stack_entries_for_jsr292") @Stable public int extraStackEntries; 1216 1217 @HotSpotVMField(name = "ConstMethod::_constants", type = "ConstantPool*", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodConstantsOffset; 1218 @HotSpotVMField(name = "ConstMethod::_flags", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodFlagsOffset; 1219 @HotSpotVMField(name = "ConstMethod::_code_size", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodCodeSizeOffset; 1220 @HotSpotVMField(name = "ConstMethod::_name_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodNameIndexOffset; 1221 @HotSpotVMField(name = "ConstMethod::_signature_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodSignatureIndexOffset; 1222 @HotSpotVMField(name = "ConstMethod::_max_stack", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodMaxStackOffset; 1223 @HotSpotVMField(name = "ConstMethod::_max_locals", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodMaxLocalsOffset; 1224 1225 @HotSpotVMConstant(name = "ConstMethod::_has_linenumber_table") @Stable public int constMethodHasLineNumberTable; 1226 @HotSpotVMConstant(name = "ConstMethod::_has_localvariable_table") @Stable public int constMethodHasLocalVariableTable; 1227 @HotSpotVMConstant(name = "ConstMethod::_has_exception_table") @Stable public int constMethodHasExceptionTable; 1228 1229 @HotSpotVMType(name = "ExceptionTableElement", get = HotSpotVMType.Type.SIZE) @Stable public int exceptionTableElementSize; 1230 @HotSpotVMField(name = "ExceptionTableElement::start_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementStartPcOffset; 1231 @HotSpotVMField(name = "ExceptionTableElement::end_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementEndPcOffset; 1232 @HotSpotVMField(name = "ExceptionTableElement::handler_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementHandlerPcOffset; 1233 @HotSpotVMField(name = "ExceptionTableElement::catch_type_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementCatchTypeIndexOffset; 1234 1235 @HotSpotVMType(name = "LocalVariableTableElement", get = HotSpotVMType.Type.SIZE) @Stable public int localVariableTableElementSize; 1236 @HotSpotVMField(name = "LocalVariableTableElement::start_bci", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementStartBciOffset; 1237 @HotSpotVMField(name = "LocalVariableTableElement::length", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementLengthOffset; 1238 @HotSpotVMField(name = "LocalVariableTableElement::name_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementNameCpIndexOffset; 1239 @HotSpotVMField(name = "LocalVariableTableElement::descriptor_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementDescriptorCpIndexOffset; 1240 @HotSpotVMField(name = "LocalVariableTableElement::signature_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementSignatureCpIndexOffset; 1241 @HotSpotVMField(name = "LocalVariableTableElement::slot", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementSlotOffset; 1242 1243 @HotSpotVMType(name = "ConstantPool", get = HotSpotVMType.Type.SIZE) @Stable public int constantPoolSize; 1244 @HotSpotVMField(name = "ConstantPool::_tags", type = "Array<u1>*", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolTagsOffset; 1245 @HotSpotVMField(name = "ConstantPool::_pool_holder", type = "InstanceKlass*", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolHolderOffset; 1246 @HotSpotVMField(name = "ConstantPool::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolLengthOffset; 1247 1248 @HotSpotVMConstant(name = "ConstantPool::CPCACHE_INDEX_TAG") @Stable public int constantPoolCpCacheIndexTag; 1249 1250 @HotSpotVMConstant(name = "JVM_CONSTANT_Utf8") @Stable public int jvmConstantUtf8; 1251 @HotSpotVMConstant(name = "JVM_CONSTANT_Integer") @Stable public int jvmConstantInteger; 1252 @HotSpotVMConstant(name = "JVM_CONSTANT_Long") @Stable public int jvmConstantLong; 1253 @HotSpotVMConstant(name = "JVM_CONSTANT_Float") @Stable public int jvmConstantFloat; 1254 @HotSpotVMConstant(name = "JVM_CONSTANT_Double") @Stable public int jvmConstantDouble; 1255 @HotSpotVMConstant(name = "JVM_CONSTANT_Class") @Stable public int jvmConstantClass; 1256 @HotSpotVMConstant(name = "JVM_CONSTANT_UnresolvedClass") @Stable public int jvmConstantUnresolvedClass; 1257 @HotSpotVMConstant(name = "JVM_CONSTANT_UnresolvedClassInError") @Stable public int jvmConstantUnresolvedClassInError; 1258 @HotSpotVMConstant(name = "JVM_CONSTANT_String") @Stable public int jvmConstantString; 1259 @HotSpotVMConstant(name = "JVM_CONSTANT_Fieldref") @Stable public int jvmConstantFieldref; 1260 @HotSpotVMConstant(name = "JVM_CONSTANT_Methodref") @Stable public int jvmConstantMethodref; 1261 @HotSpotVMConstant(name = "JVM_CONSTANT_InterfaceMethodref") @Stable public int jvmConstantInterfaceMethodref; 1262 @HotSpotVMConstant(name = "JVM_CONSTANT_NameAndType") @Stable public int jvmConstantNameAndType; 1263 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodHandle") @Stable public int jvmConstantMethodHandle; 1264 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodHandleInError") @Stable public int jvmConstantMethodHandleInError; 1265 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodType") @Stable public int jvmConstantMethodType; 1266 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodTypeInError") @Stable public int jvmConstantMethodTypeInError; 1267 @HotSpotVMConstant(name = "JVM_CONSTANT_InvokeDynamic") @Stable public int jvmConstantInvokeDynamic; 1268 1269 @HotSpotVMConstant(name = "JVM_CONSTANT_ExternalMax") @Stable public int jvmConstantExternalMax; 1270 @HotSpotVMConstant(name = "JVM_CONSTANT_InternalMin") @Stable public int jvmConstantInternalMin; 1271 @HotSpotVMConstant(name = "JVM_CONSTANT_InternalMax") @Stable public int jvmConstantInternalMax; 1272 1273 @HotSpotVMConstant(name = "HeapWordSize") @Stable public int heapWordSize; 1274 1275 @HotSpotVMType(name = "Symbol*", get = HotSpotVMType.Type.SIZE) @Stable public int symbolPointerSize; 1276 @HotSpotVMField(name = "Symbol::_length", type = "unsigned short", get = HotSpotVMField.Type.OFFSET) @Stable public int symbolLengthOffset; 1277 @HotSpotVMField(name = "Symbol::_body[0]", type = "jbyte", get = HotSpotVMField.Type.OFFSET) @Stable public int symbolBodyOffset; 1278 1279 @HotSpotVMField(name = "vmSymbols::_symbols[0]", type = "Symbol*", get = HotSpotVMField.Type.ADDRESS) @Stable public long vmSymbolsSymbols; 1280 @HotSpotVMConstant(name = "vmSymbols::FIRST_SID") @Stable public int vmSymbolsFirstSID; 1281 @HotSpotVMConstant(name = "vmSymbols::SID_LIMIT") @Stable public int vmSymbolsSIDLimit; 1282 1283 @HotSpotVMConstant(name = "JVM_ACC_HAS_FINALIZER") @Stable public int klassHasFinalizerFlag; 1284 1285 // Modifier.SYNTHETIC is not public so we get it via vmStructs. 1286 @HotSpotVMConstant(name = "JVM_ACC_SYNTHETIC") @Stable public int syntheticFlag; 1287 1288 /** 1289 * @see HotSpotResolvedObjectTypeImpl#createField 1290 */ 1291 @HotSpotVMConstant(name = "JVM_RECOGNIZED_FIELD_MODIFIERS") @Stable public int recognizedFieldModifiers; 1292 1293 /** 1294 * Bit pattern that represents a non-oop. Neither the high bits nor the low bits of this value 1295 * are allowed to look like (respectively) the high or low bits of a real oop. 1296 */ 1297 @HotSpotVMField(name = "Universe::_non_oop_bits", type = "intptr_t", get = HotSpotVMField.Type.VALUE) @Stable public long nonOopBits; 1298 1299 @HotSpotVMField(name = "StubRoutines::_verify_oop_count", type = "jint", get = HotSpotVMField.Type.ADDRESS) @Stable public long verifyOopCounterAddress; 1300 @HotSpotVMField(name = "Universe::_verify_oop_mask", type = "uintptr_t", get = HotSpotVMField.Type.VALUE) @Stable public long verifyOopMask; 1301 @HotSpotVMField(name = "Universe::_verify_oop_bits", type = "uintptr_t", get = HotSpotVMField.Type.VALUE) @Stable public long verifyOopBits; 1302 @HotSpotVMField(name = "Universe::_base_vtable_size", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int universeBaseVtableSize; 1303 1304 public final int baseVtableLength() { 1305 return universeBaseVtableSize / vtableEntrySize; 1306 } 1307 1308 @HotSpotVMField(name = "CollectedHeap::_barrier_set", type = "BarrierSet*", get = HotSpotVMField.Type.OFFSET) @Stable public int collectedHeapBarrierSetOffset; 1309 1310 @HotSpotVMField(name = "HeapRegion::LogOfHRGrainBytes", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int logOfHRGrainBytes; 1311 1312 @HotSpotVMField(name = "BarrierSet::_fake_rtti", type = "BarrierSet::FakeRtti", get = HotSpotVMField.Type.OFFSET) @Stable private int barrierSetFakeRttiOffset; 1313 @HotSpotVMConstant(name = "BarrierSet::CardTableModRef") @Stable public int barrierSetCardTableModRef; 1314 @HotSpotVMConstant(name = "BarrierSet::CardTableForRS") @Stable public int barrierSetCardTableForRS; 1315 @HotSpotVMConstant(name = "BarrierSet::CardTableExtension") @Stable public int barrierSetCardTableExtension; 1316 @HotSpotVMConstant(name = "BarrierSet::G1SATBCT") @Stable public int barrierSetG1SATBCT; 1317 @HotSpotVMConstant(name = "BarrierSet::G1SATBCTLogging") @Stable public int barrierSetG1SATBCTLogging; 1318 @HotSpotVMConstant(name = "BarrierSet::ModRef") @Stable public int barrierSetModRef; 1319 1320 @HotSpotVMField(name = "BarrierSet::FakeRtti::_concrete_tag", type = "BarrierSet::Name", get = HotSpotVMField.Type.OFFSET) @Stable private int fakeRttiConcreteTagOffset; 1321 1322 @HotSpotVMField(name = "CardTableModRefBS::byte_map_base", type = "jbyte*", get = HotSpotVMField.Type.OFFSET) @Stable private int cardTableModRefBSByteMapBaseOffset; 1323 @HotSpotVMConstant(name = "CardTableModRefBS::card_shift") @Stable public int cardTableModRefBSCardShift; 1324 1325 @HotSpotVMConstant(name = "CardTableModRefBS::dirty_card") @Stable public byte dirtyCardValue; 1326 @HotSpotVMConstant(name = "G1SATBCardTableModRefBS::g1_young_gen") @Stable public byte g1YoungCardValue; 1327 1328 private final long cardtableStartAddress; 1329 private final int cardtableShift; 1330 1331 public long cardtableStartAddress() { 1332 if (cardtableStartAddress == -1) { 1333 throw JVMCIError.shouldNotReachHere(); 1334 } 1335 return cardtableStartAddress; 1336 } 1337 1338 public int cardtableShift() { 1339 if (cardtableShift == -1) { 1340 throw JVMCIError.shouldNotReachHere(); 1341 } 1342 return cardtableShift; 1343 } 1344 1345 @HotSpotVMField(name = "os::_polling_page", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long safepointPollingAddress; 1346 1347 // G1 Collector Related Values. 1348 1349 public int g1CardQueueIndexOffset() { 1350 return javaThreadDirtyCardQueueOffset + ptrQueueIndexOffset; 1351 } 1352 1353 public int g1CardQueueBufferOffset() { 1354 return javaThreadDirtyCardQueueOffset + ptrQueueBufferOffset; 1355 } 1356 1357 public int g1SATBQueueMarkingOffset() { 1358 return javaThreadSatbMarkQueueOffset + ptrQueueActiveOffset; 1359 } 1360 1361 public int g1SATBQueueIndexOffset() { 1362 return javaThreadSatbMarkQueueOffset + ptrQueueIndexOffset; 1363 } 1364 1365 public int g1SATBQueueBufferOffset() { 1366 return javaThreadSatbMarkQueueOffset + ptrQueueBufferOffset; 1367 } 1368 1369 @HotSpotVMField(name = "java_lang_Class::_klass_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int klassOffset; 1370 @HotSpotVMField(name = "java_lang_Class::_array_klass_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int arrayKlassOffset; 1371 1372 @HotSpotVMField(name = "Method::_method_counters", type = "MethodCounters*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCountersOffset; 1373 @HotSpotVMField(name = "Method::_method_data", type = "MethodData*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOffset; 1374 @HotSpotVMField(name = "Method::_from_compiled_entry", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCompiledEntryOffset; 1375 @HotSpotVMField(name = "Method::_code", type = "nmethod*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCodeOffset; 1376 1377 @HotSpotVMField(name = "MethodCounters::_invocation_counter", type = "InvocationCounter", get = HotSpotVMField.Type.OFFSET) @Stable public int invocationCounterOffset; 1378 @HotSpotVMField(name = "MethodCounters::_backedge_counter", type = "InvocationCounter", get = HotSpotVMField.Type.OFFSET) @Stable public int backedgeCounterOffset; 1379 @HotSpotVMConstant(name = "InvocationCounter::count_increment") @Stable public int invocationCounterIncrement; 1380 @HotSpotVMConstant(name = "InvocationCounter::count_shift") @Stable public int invocationCounterShift; 1381 1382 @HotSpotVMField(name = "MethodData::_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataSize; 1383 @HotSpotVMField(name = "MethodData::_data_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataDataSize; 1384 @HotSpotVMField(name = "MethodData::_data[0]", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOopDataOffset; 1385 @HotSpotVMField(name = "MethodData::_trap_hist._array[0]", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOopTrapHistoryOffset; 1386 @HotSpotVMField(name = "MethodData::_jvmci_ir_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataIRSizeOffset; 1387 1388 @HotSpotVMField(name = "nmethod::_verified_entry_point", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int nmethodEntryOffset; 1389 @HotSpotVMField(name = "nmethod::_comp_level", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int nmethodCompLevelOffset; 1390 1391 @HotSpotVMConstant(name = "CompLevel_full_optimization") @Stable public int compilationLevelFullOptimization; 1392 1393 @HotSpotVMType(name = "BasicLock", get = HotSpotVMType.Type.SIZE) @Stable public int basicLockSize; 1394 @HotSpotVMField(name = "BasicLock::_displaced_header", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int basicLockDisplacedHeaderOffset; 1395 1396 @HotSpotVMField(name = "Thread::_allocated_bytes", type = "jlong", get = HotSpotVMField.Type.OFFSET) @Stable public int threadAllocatedBytesOffset; 1397 1398 @HotSpotVMFlag(name = "TLABWasteIncrement") @Stable public int tlabRefillWasteIncrement; 1399 1400 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_start", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferStartOffset; 1401 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_end", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferEndOffset; 1402 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_top", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferTopOffset; 1403 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_pf_top", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferPfTopOffset; 1404 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_slow_allocations", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferSlowAllocationsOffset; 1405 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_fast_refill_waste", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferFastRefillWasteOffset; 1406 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_number_of_refills", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferNumberOfRefillsOffset; 1407 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_refill_waste_limit", type = "size_t", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferRefillWasteLimitOffset; 1408 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_desired_size", type = "size_t", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferDesiredSizeOffset; 1409 1410 public int tlabSlowAllocationsOffset() { 1411 return threadTlabOffset + threadLocalAllocBufferSlowAllocationsOffset; 1412 } 1413 1414 public int tlabFastRefillWasteOffset() { 1415 return threadTlabOffset + threadLocalAllocBufferFastRefillWasteOffset; 1416 } 1417 1418 public int tlabNumberOfRefillsOffset() { 1419 return threadTlabOffset + threadLocalAllocBufferNumberOfRefillsOffset; 1420 } 1421 1422 public int tlabRefillWasteLimitOffset() { 1423 return threadTlabOffset + threadLocalAllocBufferRefillWasteLimitOffset; 1424 } 1425 1426 public int threadTlabSizeOffset() { 1427 return threadTlabOffset + threadLocalAllocBufferDesiredSizeOffset; 1428 } 1429 1430 public int threadTlabStartOffset() { 1431 return threadTlabOffset + threadLocalAllocBufferStartOffset; 1432 } 1433 1434 public int threadTlabEndOffset() { 1435 return threadTlabOffset + threadLocalAllocBufferEndOffset; 1436 } 1437 1438 public int threadTlabTopOffset() { 1439 return threadTlabOffset + threadLocalAllocBufferTopOffset; 1440 } 1441 1442 public int threadTlabPfTopOffset() { 1443 return threadTlabOffset + threadLocalAllocBufferPfTopOffset; 1444 } 1445 1446 /** 1447 * See: {@code ThreadLocalAllocBuffer::end_reserve()}. 1448 */ 1449 public final int threadLocalAllocBufferEndReserve() { 1450 final int typeSizeInBytes = roundUp(arrayOopDescLengthOffset() + Integer.BYTES, heapWordSize); 1451 // T_INT arrays need not be 8 byte aligned. 1452 final int reserveSize = typeSizeInBytes / heapWordSize; 1453 return Integer.max(reserveSize, abstractVmVersionReserveForAllocationPrefetch); 1454 } 1455 1456 /** 1457 * See: {@code ThreadLocalAllocBuffer::alignment_reserve()}. 1458 */ 1459 public final int tlabAlignmentReserve() { 1460 return roundUp(threadLocalAllocBufferEndReserve(), minObjAlignment()); 1461 } 1462 1463 @HotSpotVMFlag(name = "TLABStats") @Stable public boolean tlabStats; 1464 1465 // FIXME This is only temporary until the GC code is changed. 1466 @HotSpotVMField(name = "CompilerToVM::_supports_inline_contig_alloc", type = "bool", get = HotSpotVMField.Type.VALUE) @Stable public boolean inlineContiguousAllocationSupported; 1467 @HotSpotVMField(name = "CompilerToVM::_heap_end_addr", type = "HeapWord**", get = HotSpotVMField.Type.VALUE) @Stable public long heapEndAddress; 1468 @HotSpotVMField(name = "CompilerToVM::_heap_top_addr", type = "HeapWord**", get = HotSpotVMField.Type.VALUE) @Stable public long heapTopAddress; 1469 1470 /** 1471 * The DataLayout header size is the same as the cell size. 1472 */ 1473 @HotSpotVMConstant(name = "DataLayout::cell_size") @Stable public int dataLayoutHeaderSize; 1474 @HotSpotVMField(name = "DataLayout::_header._struct._tag", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutTagOffset; 1475 @HotSpotVMField(name = "DataLayout::_header._struct._flags", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutFlagsOffset; 1476 @HotSpotVMField(name = "DataLayout::_header._struct._bci", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutBCIOffset; 1477 @HotSpotVMField(name = "DataLayout::_cells[0]", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutCellsOffset; 1478 @HotSpotVMConstant(name = "DataLayout::cell_size") @Stable public int dataLayoutCellSize; 1479 1480 @HotSpotVMConstant(name = "DataLayout::no_tag") @Stable public int dataLayoutNoTag; 1481 @HotSpotVMConstant(name = "DataLayout::bit_data_tag") @Stable public int dataLayoutBitDataTag; 1482 @HotSpotVMConstant(name = "DataLayout::counter_data_tag") @Stable public int dataLayoutCounterDataTag; 1483 @HotSpotVMConstant(name = "DataLayout::jump_data_tag") @Stable public int dataLayoutJumpDataTag; 1484 @HotSpotVMConstant(name = "DataLayout::receiver_type_data_tag") @Stable public int dataLayoutReceiverTypeDataTag; 1485 @HotSpotVMConstant(name = "DataLayout::virtual_call_data_tag") @Stable public int dataLayoutVirtualCallDataTag; 1486 @HotSpotVMConstant(name = "DataLayout::ret_data_tag") @Stable public int dataLayoutRetDataTag; 1487 @HotSpotVMConstant(name = "DataLayout::branch_data_tag") @Stable public int dataLayoutBranchDataTag; 1488 @HotSpotVMConstant(name = "DataLayout::multi_branch_data_tag") @Stable public int dataLayoutMultiBranchDataTag; 1489 @HotSpotVMConstant(name = "DataLayout::arg_info_data_tag") @Stable public int dataLayoutArgInfoDataTag; 1490 @HotSpotVMConstant(name = "DataLayout::call_type_data_tag") @Stable public int dataLayoutCallTypeDataTag; 1491 @HotSpotVMConstant(name = "DataLayout::virtual_call_type_data_tag") @Stable public int dataLayoutVirtualCallTypeDataTag; 1492 @HotSpotVMConstant(name = "DataLayout::parameters_type_data_tag") @Stable public int dataLayoutParametersTypeDataTag; 1493 @HotSpotVMConstant(name = "DataLayout::speculative_trap_data_tag") @Stable public int dataLayoutSpeculativeTrapDataTag; 1494 1495 @HotSpotVMFlag(name = "BciProfileWidth") @Stable public int bciProfileWidth; 1496 @HotSpotVMFlag(name = "TypeProfileWidth") @Stable public int typeProfileWidth; 1497 @HotSpotVMFlag(name = "MethodProfileWidth") @Stable public int methodProfileWidth; 1498 1499 @HotSpotVMField(name = "CodeBlob::_code_offset", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable private int codeBlobCodeOffsetOffset; 1500 @HotSpotVMField(name = "DeoptimizationBlob::_unpack_offset", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable private int deoptimizationBlobUnpackOffsetOffset; 1501 @HotSpotVMField(name = "DeoptimizationBlob::_uncommon_trap_offset", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable private int deoptimizationBlobUncommonTrapOffsetOffset; 1502 1503 @HotSpotVMField(name = "SharedRuntime::_ic_miss_blob", type = "RuntimeStub*", get = HotSpotVMField.Type.VALUE) @Stable private long inlineCacheMissBlob; 1504 @HotSpotVMField(name = "SharedRuntime::_wrong_method_blob", type = "RuntimeStub*", get = HotSpotVMField.Type.VALUE) @Stable private long wrongMethodBlob; 1505 @HotSpotVMField(name = "SharedRuntime::_deopt_blob", type = "DeoptimizationBlob*", get = HotSpotVMField.Type.VALUE) @Stable private long deoptBlob; 1506 1507 @HotSpotVMManual(name = "SharedRuntime::get_ic_miss_stub()") public final long inlineCacheMissStub; 1508 @HotSpotVMManual(name = "SharedRuntime::get_handle_wrong_method_stub()") public final long handleWrongMethodStub; 1509 1510 @HotSpotVMManual(name = "SharedRuntime::deopt_blob()->unpack()") public final long handleDeoptStub; 1511 @HotSpotVMManual(name = "SharedRuntime::deopt_blob()->uncommon_trap()") public final long uncommonTrapStub; 1512 1513 @HotSpotVMField(name = "CodeCache::_low_bound", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long codeCacheLowBound; 1514 @HotSpotVMField(name = "CodeCache::_high_bound", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long codeCacheHighBound; 1515 1516 @HotSpotVMField(name = "StubRoutines::_aescrypt_encryptBlock", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long aescryptEncryptBlockStub; 1517 @HotSpotVMField(name = "StubRoutines::_aescrypt_decryptBlock", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long aescryptDecryptBlockStub; 1518 @HotSpotVMField(name = "StubRoutines::_cipherBlockChaining_encryptAESCrypt", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long cipherBlockChainingEncryptAESCryptStub; 1519 @HotSpotVMField(name = "StubRoutines::_cipherBlockChaining_decryptAESCrypt", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long cipherBlockChainingDecryptAESCryptStub; 1520 @HotSpotVMField(name = "StubRoutines::_updateBytesCRC32", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long updateBytesCRC32Stub; 1521 @HotSpotVMField(name = "StubRoutines::_crc_table_adr", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long crcTableAddress; 1522 1523 @HotSpotVMField(name = "StubRoutines::_jbyte_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteArraycopy; 1524 @HotSpotVMField(name = "StubRoutines::_jshort_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortArraycopy; 1525 @HotSpotVMField(name = "StubRoutines::_jint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintArraycopy; 1526 @HotSpotVMField(name = "StubRoutines::_jlong_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongArraycopy; 1527 @HotSpotVMField(name = "StubRoutines::_oop_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopArraycopy; 1528 @HotSpotVMField(name = "StubRoutines::_oop_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopArraycopyUninit; 1529 @HotSpotVMField(name = "StubRoutines::_jbyte_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteDisjointArraycopy; 1530 @HotSpotVMField(name = "StubRoutines::_jshort_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortDisjointArraycopy; 1531 @HotSpotVMField(name = "StubRoutines::_jint_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintDisjointArraycopy; 1532 @HotSpotVMField(name = "StubRoutines::_jlong_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongDisjointArraycopy; 1533 @HotSpotVMField(name = "StubRoutines::_oop_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopDisjointArraycopy; 1534 @HotSpotVMField(name = "StubRoutines::_oop_disjoint_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopDisjointArraycopyUninit; 1535 @HotSpotVMField(name = "StubRoutines::_arrayof_jbyte_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteAlignedArraycopy; 1536 @HotSpotVMField(name = "StubRoutines::_arrayof_jshort_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortAlignedArraycopy; 1537 @HotSpotVMField(name = "StubRoutines::_arrayof_jint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintAlignedArraycopy; 1538 @HotSpotVMField(name = "StubRoutines::_arrayof_jlong_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongAlignedArraycopy; 1539 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedArraycopy; 1540 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedArraycopyUninit; 1541 @HotSpotVMField(name = "StubRoutines::_arrayof_jbyte_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteAlignedDisjointArraycopy; 1542 @HotSpotVMField(name = "StubRoutines::_arrayof_jshort_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortAlignedDisjointArraycopy; 1543 @HotSpotVMField(name = "StubRoutines::_arrayof_jint_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintAlignedDisjointArraycopy; 1544 @HotSpotVMField(name = "StubRoutines::_arrayof_jlong_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongAlignedDisjointArraycopy; 1545 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedDisjointArraycopy; 1546 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedDisjointArraycopyUninit; 1547 @HotSpotVMField(name = "StubRoutines::_checkcast_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long checkcastArraycopy; 1548 @HotSpotVMField(name = "StubRoutines::_checkcast_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long checkcastArraycopyUninit; 1549 @HotSpotVMField(name = "StubRoutines::_unsafe_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long unsafeArraycopy; 1550 @HotSpotVMField(name = "StubRoutines::_generic_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long genericArraycopy; 1551 1552 @HotSpotVMAddress(name = "JVMCIRuntime::new_instance") @Stable public long newInstanceAddress; 1553 @HotSpotVMAddress(name = "JVMCIRuntime::new_array") @Stable public long newArrayAddress; 1554 @HotSpotVMAddress(name = "JVMCIRuntime::new_multi_array") @Stable public long newMultiArrayAddress; 1555 @HotSpotVMAddress(name = "JVMCIRuntime::dynamic_new_array") @Stable public long dynamicNewArrayAddress; 1556 @HotSpotVMAddress(name = "JVMCIRuntime::dynamic_new_instance") @Stable public long dynamicNewInstanceAddress; 1557 1558 @HotSpotVMAddress(name = "JVMCIRuntime::thread_is_interrupted") @Stable public long threadIsInterruptedAddress; 1559 @HotSpotVMAddress(name = "JVMCIRuntime::vm_message") @Stable public long vmMessageAddress; 1560 @HotSpotVMAddress(name = "JVMCIRuntime::identity_hash_code") @Stable public long identityHashCodeAddress; 1561 @HotSpotVMAddress(name = "JVMCIRuntime::exception_handler_for_pc") @Stable public long exceptionHandlerForPcAddress; 1562 @HotSpotVMAddress(name = "JVMCIRuntime::monitorenter") @Stable public long monitorenterAddress; 1563 @HotSpotVMAddress(name = "JVMCIRuntime::monitorexit") @Stable public long monitorexitAddress; 1564 @HotSpotVMAddress(name = "JVMCIRuntime::create_null_exception") @Stable public long createNullPointerExceptionAddress; 1565 @HotSpotVMAddress(name = "JVMCIRuntime::create_out_of_bounds_exception") @Stable public long createOutOfBoundsExceptionAddress; 1566 @HotSpotVMAddress(name = "JVMCIRuntime::log_primitive") @Stable public long logPrimitiveAddress; 1567 @HotSpotVMAddress(name = "JVMCIRuntime::log_object") @Stable public long logObjectAddress; 1568 @HotSpotVMAddress(name = "JVMCIRuntime::log_printf") @Stable public long logPrintfAddress; 1569 @HotSpotVMAddress(name = "JVMCIRuntime::vm_error") @Stable public long vmErrorAddress; 1570 @HotSpotVMAddress(name = "JVMCIRuntime::load_and_clear_exception") @Stable public long loadAndClearExceptionAddress; 1571 @HotSpotVMAddress(name = "JVMCIRuntime::write_barrier_pre") @Stable public long writeBarrierPreAddress; 1572 @HotSpotVMAddress(name = "JVMCIRuntime::write_barrier_post") @Stable public long writeBarrierPostAddress; 1573 @HotSpotVMAddress(name = "JVMCIRuntime::validate_object") @Stable public long validateObject; 1574 1575 @HotSpotVMAddress(name = "JVMCIRuntime::test_deoptimize_call_int") @Stable public long testDeoptimizeCallInt; 1576 1577 @HotSpotVMAddress(name = "SharedRuntime::register_finalizer") @Stable public long registerFinalizerAddress; 1578 @HotSpotVMAddress(name = "SharedRuntime::exception_handler_for_return_address") @Stable public long exceptionHandlerForReturnAddressAddress; 1579 @HotSpotVMAddress(name = "SharedRuntime::OSR_migration_end") @Stable public long osrMigrationEndAddress; 1580 1581 @HotSpotVMAddress(name = "os::javaTimeMillis") @Stable public long javaTimeMillisAddress; 1582 @HotSpotVMAddress(name = "os::javaTimeNanos") @Stable public long javaTimeNanosAddress; 1583 @HotSpotVMAddress(name = "SharedRuntime::dsin") @Stable public long arithmeticSinAddress; 1584 @HotSpotVMAddress(name = "SharedRuntime::dcos") @Stable public long arithmeticCosAddress; 1585 @HotSpotVMAddress(name = "SharedRuntime::dtan") @Stable public long arithmeticTanAddress; 1586 @HotSpotVMAddress(name = "SharedRuntime::dexp") @Stable public long arithmeticExpAddress; 1587 @HotSpotVMAddress(name = "SharedRuntime::dlog") @Stable public long arithmeticLogAddress; 1588 @HotSpotVMAddress(name = "SharedRuntime::dlog10") @Stable public long arithmeticLog10Address; 1589 @HotSpotVMAddress(name = "SharedRuntime::dpow") @Stable public long arithmeticPowAddress; 1590 1591 @HotSpotVMFlag(name = "JVMCICounterSize") @Stable public int jvmciCountersSize; 1592 1593 @HotSpotVMAddress(name = "Deoptimization::fetch_unroll_info") @Stable public long deoptimizationFetchUnrollInfo; 1594 @HotSpotVMAddress(name = "Deoptimization::uncommon_trap") @Stable public long deoptimizationUncommonTrap; 1595 @HotSpotVMAddress(name = "Deoptimization::unpack_frames") @Stable public long deoptimizationUnpackFrames; 1596 1597 @HotSpotVMConstant(name = "Deoptimization::Reason_none") @Stable public int deoptReasonNone; 1598 @HotSpotVMConstant(name = "Deoptimization::Reason_null_check") @Stable public int deoptReasonNullCheck; 1599 @HotSpotVMConstant(name = "Deoptimization::Reason_range_check") @Stable public int deoptReasonRangeCheck; 1600 @HotSpotVMConstant(name = "Deoptimization::Reason_class_check") @Stable public int deoptReasonClassCheck; 1601 @HotSpotVMConstant(name = "Deoptimization::Reason_array_check") @Stable public int deoptReasonArrayCheck; 1602 @HotSpotVMConstant(name = "Deoptimization::Reason_unreached0") @Stable public int deoptReasonUnreached0; 1603 @HotSpotVMConstant(name = "Deoptimization::Reason_type_checked_inlining") @Stable public int deoptReasonTypeCheckInlining; 1604 @HotSpotVMConstant(name = "Deoptimization::Reason_optimized_type_check") @Stable public int deoptReasonOptimizedTypeCheck; 1605 @HotSpotVMConstant(name = "Deoptimization::Reason_not_compiled_exception_handler") @Stable public int deoptReasonNotCompiledExceptionHandler; 1606 @HotSpotVMConstant(name = "Deoptimization::Reason_unresolved") @Stable public int deoptReasonUnresolved; 1607 @HotSpotVMConstant(name = "Deoptimization::Reason_jsr_mismatch") @Stable public int deoptReasonJsrMismatch; 1608 @HotSpotVMConstant(name = "Deoptimization::Reason_div0_check") @Stable public int deoptReasonDiv0Check; 1609 @HotSpotVMConstant(name = "Deoptimization::Reason_constraint") @Stable public int deoptReasonConstraint; 1610 @HotSpotVMConstant(name = "Deoptimization::Reason_loop_limit_check") @Stable public int deoptReasonLoopLimitCheck; 1611 @HotSpotVMConstant(name = "Deoptimization::Reason_aliasing") @Stable public int deoptReasonAliasing; 1612 @HotSpotVMConstant(name = "Deoptimization::Reason_transfer_to_interpreter") @Stable public int deoptReasonTransferToInterpreter; 1613 @HotSpotVMConstant(name = "Deoptimization::Reason_LIMIT") @Stable public int deoptReasonOSROffset; 1614 1615 @HotSpotVMConstant(name = "Deoptimization::Action_none") @Stable public int deoptActionNone; 1616 @HotSpotVMConstant(name = "Deoptimization::Action_maybe_recompile") @Stable public int deoptActionMaybeRecompile; 1617 @HotSpotVMConstant(name = "Deoptimization::Action_reinterpret") @Stable public int deoptActionReinterpret; 1618 @HotSpotVMConstant(name = "Deoptimization::Action_make_not_entrant") @Stable public int deoptActionMakeNotEntrant; 1619 @HotSpotVMConstant(name = "Deoptimization::Action_make_not_compilable") @Stable public int deoptActionMakeNotCompilable; 1620 1621 @HotSpotVMConstant(name = "Deoptimization::_action_bits") @Stable public int deoptimizationActionBits; 1622 @HotSpotVMConstant(name = "Deoptimization::_reason_bits") @Stable public int deoptimizationReasonBits; 1623 @HotSpotVMConstant(name = "Deoptimization::_debug_id_bits") @Stable public int deoptimizationDebugIdBits; 1624 @HotSpotVMConstant(name = "Deoptimization::_action_shift") @Stable public int deoptimizationActionShift; 1625 @HotSpotVMConstant(name = "Deoptimization::_reason_shift") @Stable public int deoptimizationReasonShift; 1626 @HotSpotVMConstant(name = "Deoptimization::_debug_id_shift") @Stable public int deoptimizationDebugIdShift; 1627 1628 @HotSpotVMConstant(name = "Deoptimization::Unpack_deopt") @Stable public int deoptimizationUnpackDeopt; 1629 @HotSpotVMConstant(name = "Deoptimization::Unpack_exception") @Stable public int deoptimizationUnpackException; 1630 @HotSpotVMConstant(name = "Deoptimization::Unpack_uncommon_trap") @Stable public int deoptimizationUnpackUncommonTrap; 1631 @HotSpotVMConstant(name = "Deoptimization::Unpack_reexecute") @Stable public int deoptimizationUnpackReexecute; 1632 1633 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_size_of_deoptimized_frame", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockSizeOfDeoptimizedFrameOffset; 1634 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_caller_adjustment", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockCallerAdjustmentOffset; 1635 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_number_of_frames", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockNumberOfFramesOffset; 1636 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_total_frame_sizes", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockTotalFrameSizesOffset; 1637 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_frame_sizes", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockFrameSizesOffset; 1638 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_frame_pcs", type = "address*", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockFramePcsOffset; 1639 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_initial_info", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockInitialInfoOffset; 1640 1641 @HotSpotVMConstant(name = "vmIntrinsics::_invokeBasic") @Stable public int vmIntrinsicInvokeBasic; 1642 @HotSpotVMConstant(name = "vmIntrinsics::_linkToVirtual") @Stable public int vmIntrinsicLinkToVirtual; 1643 @HotSpotVMConstant(name = "vmIntrinsics::_linkToStatic") @Stable public int vmIntrinsicLinkToStatic; 1644 @HotSpotVMConstant(name = "vmIntrinsics::_linkToSpecial") @Stable public int vmIntrinsicLinkToSpecial; 1645 @HotSpotVMConstant(name = "vmIntrinsics::_linkToInterface") @Stable public int vmIntrinsicLinkToInterface; 1646 1647 @HotSpotVMConstant(name = "JVMCIEnv::ok") @Stable public int codeInstallResultOk; 1648 @HotSpotVMConstant(name = "JVMCIEnv::dependencies_failed") @Stable public int codeInstallResultDependenciesFailed; 1649 @HotSpotVMConstant(name = "JVMCIEnv::dependencies_invalid") @Stable public int codeInstallResultDependenciesInvalid; 1650 @HotSpotVMConstant(name = "JVMCIEnv::cache_full") @Stable public int codeInstallResultCacheFull; 1651 @HotSpotVMConstant(name = "JVMCIEnv::code_too_large") @Stable public int codeInstallResultCodeTooLarge; 1652 1653 public String getCodeInstallResultDescription(int codeInstallResult) { 1654 if (codeInstallResult == codeInstallResultOk) { 1655 return "ok"; 1656 } 1657 if (codeInstallResult == codeInstallResultDependenciesFailed) { 1658 return "dependencies failed"; 1659 } 1660 if (codeInstallResult == codeInstallResultDependenciesInvalid) { 1661 return "dependencies invalid"; 1662 } 1663 if (codeInstallResult == codeInstallResultCacheFull) { 1664 return "code cache is full"; 1665 } 1666 if (codeInstallResult == codeInstallResultCodeTooLarge) { 1667 return "code is too large"; 1668 } 1669 assert false : codeInstallResult; 1670 return "unknown"; 1671 } 1672 1673 @HotSpotVMConstant(name = "CompilerToVM::KLASS_TAG") @Stable public int compilerToVMKlassTag; 1674 @HotSpotVMConstant(name = "CompilerToVM::SYMBOL_TAG") @Stable public int compilerToVMSymbolTag; 1675 1676 // Checkstyle: stop 1677 @HotSpotVMConstant(name = "CodeInstaller::VERIFIED_ENTRY") @Stable public int MARKID_VERIFIED_ENTRY; 1678 @HotSpotVMConstant(name = "CodeInstaller::UNVERIFIED_ENTRY") @Stable public int MARKID_UNVERIFIED_ENTRY; 1679 @HotSpotVMConstant(name = "CodeInstaller::OSR_ENTRY") @Stable public int MARKID_OSR_ENTRY; 1680 @HotSpotVMConstant(name = "CodeInstaller::EXCEPTION_HANDLER_ENTRY") @Stable public int MARKID_EXCEPTION_HANDLER_ENTRY; 1681 @HotSpotVMConstant(name = "CodeInstaller::DEOPT_HANDLER_ENTRY") @Stable public int MARKID_DEOPT_HANDLER_ENTRY; 1682 @HotSpotVMConstant(name = "CodeInstaller::INVOKEINTERFACE") @Stable public int MARKID_INVOKEINTERFACE; 1683 @HotSpotVMConstant(name = "CodeInstaller::INVOKEVIRTUAL") @Stable public int MARKID_INVOKEVIRTUAL; 1684 @HotSpotVMConstant(name = "CodeInstaller::INVOKESTATIC") @Stable public int MARKID_INVOKESTATIC; 1685 @HotSpotVMConstant(name = "CodeInstaller::INVOKESPECIAL") @Stable public int MARKID_INVOKESPECIAL; 1686 @HotSpotVMConstant(name = "CodeInstaller::INLINE_INVOKE") @Stable public int MARKID_INLINE_INVOKE; 1687 @HotSpotVMConstant(name = "CodeInstaller::POLL_NEAR") @Stable public int MARKID_POLL_NEAR; 1688 @HotSpotVMConstant(name = "CodeInstaller::POLL_RETURN_NEAR") @Stable public int MARKID_POLL_RETURN_NEAR; 1689 @HotSpotVMConstant(name = "CodeInstaller::POLL_FAR") @Stable public int MARKID_POLL_FAR; 1690 @HotSpotVMConstant(name = "CodeInstaller::POLL_RETURN_FAR") @Stable public int MARKID_POLL_RETURN_FAR; 1691 @HotSpotVMConstant(name = "CodeInstaller::CARD_TABLE_ADDRESS") @Stable public int MARKID_CARD_TABLE_ADDRESS; 1692 @HotSpotVMConstant(name = "CodeInstaller::HEAP_TOP_ADDRESS") @Stable public int MARKID_HEAP_TOP_ADDRESS; 1693 @HotSpotVMConstant(name = "CodeInstaller::HEAP_END_ADDRESS") @Stable public int MARKID_HEAP_END_ADDRESS; 1694 @HotSpotVMConstant(name = "CodeInstaller::NARROW_KLASS_BASE_ADDRESS") @Stable public int MARKID_NARROW_KLASS_BASE_ADDRESS; 1695 @HotSpotVMConstant(name = "CodeInstaller::CRC_TABLE_ADDRESS") @Stable public int MARKID_CRC_TABLE_ADDRESS; 1696 @HotSpotVMConstant(name = "CodeInstaller::INVOKE_INVALID") @Stable public int MARKID_INVOKE_INVALID; 1697 1698 // Checkstyle: resume 1699 1700 private boolean check() { 1701 for (Field f : getClass().getDeclaredFields()) { 1702 int modifiers = f.getModifiers(); 1703 if (Modifier.isPublic(modifiers) && !Modifier.isStatic(modifiers)) { 1704 assert Modifier.isFinal(modifiers) || f.getAnnotation(Stable.class) != null : "field should either be final or @Stable: " + f; 1705 } 1706 } 1707 1708 assert codeEntryAlignment > 0 : codeEntryAlignment; 1709 assert (layoutHelperArrayTagObjectValue & (1 << (Integer.SIZE - 1))) != 0 : "object array must have first bit set"; 1710 assert (layoutHelperArrayTagTypeValue & (1 << (Integer.SIZE - 1))) != 0 : "type array must have first bit set"; 1711 1712 return true; 1713 } 1714 1715 /** 1716 * A compact representation of the different encoding strategies for Objects and metadata. 1717 */ 1718 public static class CompressEncoding { 1719 public final long base; 1720 public final int shift; 1721 public final int alignment; 1722 1723 CompressEncoding(long base, int shift, int alignment) { 1724 this.base = base; 1725 this.shift = shift; 1726 this.alignment = alignment; 1727 } 1728 1729 public int compress(long ptr) { 1730 if (ptr == 0L) { 1731 return 0; 1732 } else { 1733 return (int) ((ptr - base) >>> shift); 1734 } 1735 } 1736 1737 public long uncompress(int ptr) { 1738 if (ptr == 0) { 1739 return 0L; 1740 } else { 1741 return ((ptr & 0xFFFFFFFFL) << shift) + base; 1742 } 1743 } 1744 1745 @Override 1746 public String toString() { 1747 return "base: " + base + " shift: " + shift + " alignment: " + alignment; 1748 } 1749 1750 @Override 1751 public int hashCode() { 1752 final int prime = 31; 1753 int result = 1; 1754 result = prime * result + alignment; 1755 result = prime * result + (int) (base ^ (base >>> 32)); 1756 result = prime * result + shift; 1757 return result; 1758 } 1759 1760 @Override 1761 public boolean equals(Object obj) { 1762 if (obj instanceof CompressEncoding) { 1763 CompressEncoding other = (CompressEncoding) obj; 1764 return alignment == other.alignment && base == other.base && shift == other.shift; 1765 } else { 1766 return false; 1767 } 1768 } 1769 } 1770 1771 }