1 /*
2 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package jdk.vm.ci.hotspot;
24
25 import static jdk.vm.ci.common.UnsafeUtil.readCString;
26 import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime;
27 import static jdk.vm.ci.hotspot.UnsafeAccess.UNSAFE;
28
29 import java.lang.reflect.Field;
30 import java.lang.reflect.Modifier;
31 import java.util.HashMap;
32 import java.util.Iterator;
33
34 import jdk.internal.vm.annotation.Stable;
35 import jdk.vm.ci.common.JVMCIError;
36 import jdk.vm.ci.hotspotvmconfig.HotSpotVMAddress;
37 import jdk.vm.ci.hotspotvmconfig.HotSpotVMConstant;
38 import jdk.vm.ci.hotspotvmconfig.HotSpotVMData;
39 import jdk.vm.ci.hotspotvmconfig.HotSpotVMField;
40 import jdk.vm.ci.hotspotvmconfig.HotSpotVMFlag;
41 import jdk.vm.ci.hotspotvmconfig.HotSpotVMType;
42 import jdk.internal.misc.Unsafe;
43
44 //JaCoCo Exclude
45
46 /**
47 * Used to access native configuration details.
48 *
49 * All non-static, public fields in this class are so that they can be compiled as constants.
50 */
51 public class HotSpotVMConfig {
52
53 /**
54 * Gets the configuration associated with the singleton {@link HotSpotJVMCIRuntime}.
55 */
56 public static HotSpotVMConfig config() {
57 return runtime().getConfig();
58 }
59
60 /**
61 * Maximum allowed size of allocated area for a frame.
62 */
63 public final int maxFrameSize = 16 * 1024;
64
65 public HotSpotVMConfig(CompilerToVM compilerToVm) {
66 // Get raw pointer to the array that contains all gHotSpotVM values.
67 final long gHotSpotVMData = compilerToVm.initializeConfiguration(this);
68 assert gHotSpotVMData != 0;
69
70 // Make FindBugs happy.
71 jvmciHotSpotVMStructs = 0;
72 jvmciHotSpotVMTypes = 0;
73 jvmciHotSpotVMIntConstants = 0;
74 jvmciHotSpotVMLongConstants = 0;
75 jvmciHotSpotVMAddresses = 0;
76
77 // Initialize the gHotSpotVM fields.
78 for (Field f : HotSpotVMConfig.class.getDeclaredFields()) {
79 if (f.isAnnotationPresent(HotSpotVMData.class)) {
80 HotSpotVMData annotation = f.getAnnotation(HotSpotVMData.class);
81 final int index = annotation.index();
82 final long value = UNSAFE.getAddress(gHotSpotVMData + Unsafe.ADDRESS_SIZE * index);
83 try {
84 f.setLong(this, value);
85 } catch (IllegalAccessException e) {
86 throw new JVMCIError("index " + index, e);
87 }
88 }
89 }
90
91 // Quick sanity check.
92 assert jvmciHotSpotVMStructs != 0;
93 assert jvmciHotSpotVMTypes != 0;
94 assert jvmciHotSpotVMIntConstants != 0;
95 assert jvmciHotSpotVMLongConstants != 0;
96 assert jvmciHotSpotVMAddresses != 0;
97
98 initialize();
99
100 oopEncoding = new CompressEncoding(narrowOopBase, narrowOopShift, logMinObjAlignment());
101 klassEncoding = new CompressEncoding(narrowKlassBase, narrowKlassShift, logKlassAlignment);
102
103 assert check();
104 assert HotSpotVMConfigVerifier.check();
105 }
106
107 @Override
108 public String toString() {
109 return getClass().getSimpleName();
110 }
111
112 /**
113 * Initialize fields by reading their values from vmStructs.
114 */
115 private void initialize() {
116 // Fill the VM fields hash map.
117 HashMap<String, VMFields.Field> vmFields = new HashMap<>();
118 for (VMFields.Field e : new VMFields(jvmciHotSpotVMStructs)) {
119 vmFields.put(e.getName(), e);
120 }
121
122 // Fill the VM types hash map.
123 HashMap<String, VMTypes.Type> vmTypes = new HashMap<>();
124 for (VMTypes.Type e : new VMTypes(jvmciHotSpotVMTypes)) {
125 vmTypes.put(e.getTypeName(), e);
126 }
127
128 // Fill the VM constants hash map.
129 HashMap<String, AbstractConstant> vmConstants = new HashMap<>();
130 for (AbstractConstant e : new VMIntConstants(jvmciHotSpotVMIntConstants)) {
131 vmConstants.put(e.getName(), e);
132 }
133 for (AbstractConstant e : new VMLongConstants(jvmciHotSpotVMLongConstants)) {
134 vmConstants.put(e.getName(), e);
135 }
136
137 // Fill the VM addresses hash map.
138 HashMap<String, VMAddresses.Address> vmAddresses = new HashMap<>();
139 for (VMAddresses.Address e : new VMAddresses(jvmciHotSpotVMAddresses)) {
140 vmAddresses.put(e.getName(), e);
141 }
142
143 // Fill the flags hash map.
144 HashMap<String, Flags.Flag> flags = new HashMap<>();
145 for (Flags.Flag e : new Flags(vmFields, vmTypes)) {
146 flags.put(e.getName(), e);
147 }
148
149 String osName = getHostOSName();
150 String osArch = getHostArchitectureName();
151
152 for (Field f : HotSpotVMConfig.class.getDeclaredFields()) {
153 if (f.isAnnotationPresent(HotSpotVMField.class)) {
154 HotSpotVMField annotation = f.getAnnotation(HotSpotVMField.class);
155 String name = annotation.name();
156 String type = annotation.type();
157 VMFields.Field entry = vmFields.get(name);
158 if (entry == null) {
159 if (!isRequired(osArch, annotation.archs())) {
160 continue;
161 }
162 throw new JVMCIError(f.getName() + ": expected VM field not found: " + name);
163 }
164
165 // Make sure the native type is still the type we expect.
166 if (!type.isEmpty()) {
167 if (!type.equals(entry.getTypeString())) {
168 throw new JVMCIError(f.getName() + ": compiler expects type " + type + " but VM field " + name + " is of type " + entry.getTypeString());
169 }
170 }
171
172 switch (annotation.get()) {
173 case OFFSET:
174 setField(f, entry.getOffset());
175 break;
176 case ADDRESS:
177 setField(f, entry.getAddress());
178 break;
179 case VALUE:
180 setField(f, entry.getValue());
181 break;
182 default:
183 throw new JVMCIError(f.getName() + ": unknown kind: " + annotation.get());
184 }
185 } else if (f.isAnnotationPresent(HotSpotVMType.class)) {
186 HotSpotVMType annotation = f.getAnnotation(HotSpotVMType.class);
187 String name = annotation.name();
188 VMTypes.Type entry = vmTypes.get(name);
189 if (entry == null) {
190 throw new JVMCIError(f.getName() + ": expected VM type not found: " + name);
191 }
192
193 switch (annotation.get()) {
194 case SIZE:
195 setField(f, entry.getSize());
196 break;
197 default:
198 throw new JVMCIError(f.getName() + ": unknown kind: " + annotation.get());
199 }
200 } else if (f.isAnnotationPresent(HotSpotVMConstant.class)) {
201 HotSpotVMConstant annotation = f.getAnnotation(HotSpotVMConstant.class);
202 String name = annotation.name();
203 AbstractConstant entry = vmConstants.get(name);
204 if (entry == null) {
205 if (!isRequired(osArch, annotation.archs())) {
206 continue;
207 }
208 throw new JVMCIError(f.getName() + ": expected VM constant not found: " + name);
209 }
210 setField(f, entry.getValue());
211 } else if (f.isAnnotationPresent(HotSpotVMAddress.class)) {
212 HotSpotVMAddress annotation = f.getAnnotation(HotSpotVMAddress.class);
213 String name = annotation.name();
214 VMAddresses.Address entry = vmAddresses.get(name);
215 if (entry == null) {
216 if (!isRequired(osName, annotation.os())) {
217 continue;
218 }
219 throw new JVMCIError(f.getName() + ": expected VM address not found: " + name);
220 }
221 setField(f, entry.getValue());
222 } else if (f.isAnnotationPresent(HotSpotVMFlag.class)) {
223 HotSpotVMFlag annotation = f.getAnnotation(HotSpotVMFlag.class);
224 String name = annotation.name();
225 Flags.Flag entry = flags.get(name);
226 if (entry == null) {
227 if (annotation.optional() || !isRequired(osArch, annotation.archs())) {
228 continue;
229 }
230 throw new JVMCIError(f.getName() + ": expected VM flag not found: " + name);
231
232 }
233 setField(f, entry.getValue());
234 }
235 }
236 }
237
238 private final CompressEncoding oopEncoding;
239 private final CompressEncoding klassEncoding;
240
241 public CompressEncoding getOopEncoding() {
242 return oopEncoding;
243 }
244
245 public CompressEncoding getKlassEncoding() {
246 return klassEncoding;
247 }
248
249 private void setField(Field field, Object value) {
250 try {
251 Class<?> fieldType = field.getType();
252 if (fieldType == boolean.class) {
253 if (value instanceof String) {
254 field.setBoolean(this, Boolean.valueOf((String) value));
255 } else if (value instanceof Boolean) {
256 field.setBoolean(this, (boolean) value);
257 } else if (value instanceof Long) {
258 field.setBoolean(this, ((long) value) != 0);
259 } else {
260 throw new JVMCIError(value.getClass().getSimpleName());
261 }
262 } else if (fieldType == byte.class) {
263 if (value instanceof Long) {
264 field.setByte(this, (byte) (long) value);
265 } else {
266 throw new JVMCIError(value.getClass().getSimpleName());
267 }
268 } else if (fieldType == int.class) {
269 if (value instanceof Integer) {
270 field.setInt(this, (int) value);
271 } else if (value instanceof Long) {
272 field.setInt(this, (int) (long) value);
273 } else {
274 throw new JVMCIError(value.getClass().getSimpleName());
275 }
276 } else if (fieldType == long.class) {
277 field.setLong(this, (long) value);
278 } else {
279 throw new JVMCIError(field.toString());
280 }
281 } catch (IllegalAccessException e) {
282 throw new JVMCIError("%s: %s", field, e);
283 }
284 }
285
286 /**
287 * Gets the host operating system name.
288 */
289 private static String getHostOSName() {
290 String osName = System.getProperty("os.name");
291 switch (osName) {
292 case "Linux":
293 osName = "linux";
294 break;
295 case "SunOS":
296 osName = "solaris";
297 break;
298 case "Mac OS X":
299 osName = "bsd";
300 break;
301 default:
302 // Of course Windows is different...
303 if (osName.startsWith("Windows")) {
304 osName = "windows";
305 } else {
306 throw new JVMCIError("Unexpected OS name: " + osName);
307 }
308 }
309 return osName;
310 }
311
312 /**
313 * Gets the host architecture name for the purpose of finding the corresponding
314 * {@linkplain HotSpotJVMCIBackendFactory backend}.
315 */
316 public String getHostArchitectureName() {
317 String arch = System.getProperty("os.arch");
318 switch (arch) {
319 case "x86_64":
320 arch = "amd64";
321 break;
322 case "sparcv9":
323 arch = "sparc";
324 break;
325 }
326 return arch;
327 }
328
329 /**
330 * Determines if the current specification is included in a given set of specifications.
331 *
332 * @param current
333 * @param specification specifies a set of specifications, e.g. architectures or operating
334 * systems. A zero length value implies all.
335 */
336 private static boolean isRequired(String current, String[] specification) {
337 if (specification.length == 0) {
338 return true;
339 }
340 for (String arch : specification) {
341 if (arch.equals(current)) {
342 return true;
343 }
344 }
345 return false;
346 }
347
348 /**
349 * VMStructEntry (see {@code vmStructs.hpp}).
350 */
351 @HotSpotVMData(index = 0) @Stable private long jvmciHotSpotVMStructs;
352 @HotSpotVMData(index = 1) @Stable private long jvmciHotSpotVMStructEntryTypeNameOffset;
353 @HotSpotVMData(index = 2) @Stable private long jvmciHotSpotVMStructEntryFieldNameOffset;
354 @HotSpotVMData(index = 3) @Stable private long jvmciHotSpotVMStructEntryTypeStringOffset;
355 @HotSpotVMData(index = 4) @Stable private long jvmciHotSpotVMStructEntryIsStaticOffset;
356 @HotSpotVMData(index = 5) @Stable private long jvmciHotSpotVMStructEntryOffsetOffset;
357 @HotSpotVMData(index = 6) @Stable private long jvmciHotSpotVMStructEntryAddressOffset;
358 @HotSpotVMData(index = 7) @Stable private long jvmciHotSpotVMStructEntryArrayStride;
359
360 final class VMFields implements Iterable<VMFields.Field> {
361
362 private final long address;
363
364 VMFields(long address) {
365 this.address = address;
366 }
367
368 public Iterator<VMFields.Field> iterator() {
369 return new Iterator<VMFields.Field>() {
370
371 private int index = 0;
372
373 private Field current() {
374 return new Field(address + jvmciHotSpotVMStructEntryArrayStride * index);
375 }
376
377 /**
378 * The last entry is identified by a NULL fieldName.
379 */
380 public boolean hasNext() {
381 Field entry = current();
382 return entry.getFieldName() != null;
383 }
384
385 public Field next() {
386 Field entry = current();
387 index++;
388 return entry;
389 }
390 };
391 }
392
393 final class Field {
394
395 private final long entryAddress;
396
397 Field(long address) {
398 this.entryAddress = address;
399 }
400
401 public String getTypeName() {
402 long typeNameAddress = UNSAFE.getAddress(entryAddress + jvmciHotSpotVMStructEntryTypeNameOffset);
403 return readCString(UNSAFE, typeNameAddress);
404 }
405
406 public String getFieldName() {
407 long fieldNameAddress = UNSAFE.getAddress(entryAddress + jvmciHotSpotVMStructEntryFieldNameOffset);
408 return readCString(UNSAFE, fieldNameAddress);
409 }
410
411 public String getTypeString() {
412 long typeStringAddress = UNSAFE.getAddress(entryAddress + jvmciHotSpotVMStructEntryTypeStringOffset);
413 return readCString(UNSAFE, typeStringAddress);
414 }
415
416 public boolean isStatic() {
417 return UNSAFE.getInt(entryAddress + jvmciHotSpotVMStructEntryIsStaticOffset) != 0;
418 }
419
420 public long getOffset() {
421 return UNSAFE.getLong(entryAddress + jvmciHotSpotVMStructEntryOffsetOffset);
422 }
423
424 public long getAddress() {
425 return UNSAFE.getAddress(entryAddress + jvmciHotSpotVMStructEntryAddressOffset);
426 }
427
428 public String getName() {
429 String typeName = getTypeName();
430 String fieldName = getFieldName();
431 return typeName + "::" + fieldName;
432 }
433
434 public long getValue() {
435 String type = getTypeString();
436 switch (type) {
437 case "bool":
438 return UNSAFE.getByte(getAddress());
439 case "int":
440 return UNSAFE.getInt(getAddress());
441 case "uint64_t":
442 return UNSAFE.getLong(getAddress());
443 case "address":
444 case "intptr_t":
445 case "uintptr_t":
446 case "size_t":
447 return UNSAFE.getAddress(getAddress());
448 default:
449 // All foo* types are addresses.
450 if (type.endsWith("*")) {
451 return UNSAFE.getAddress(getAddress());
452 }
453 throw new JVMCIError(type);
454 }
455 }
456
457 @Override
458 public String toString() {
459 return String.format("Field[typeName=%s, fieldName=%s, typeString=%s, isStatic=%b, offset=%d, address=0x%x]", getTypeName(), getFieldName(), getTypeString(), isStatic(), getOffset(),
460 getAddress());
461 }
462 }
463 }
464
465 /**
466 * VMTypeEntry (see vmStructs.hpp).
467 */
468 @HotSpotVMData(index = 8) @Stable private long jvmciHotSpotVMTypes;
469 @HotSpotVMData(index = 9) @Stable private long jvmciHotSpotVMTypeEntryTypeNameOffset;
470 @HotSpotVMData(index = 10) @Stable private long jvmciHotSpotVMTypeEntrySuperclassNameOffset;
471 @HotSpotVMData(index = 11) @Stable private long jvmciHotSpotVMTypeEntryIsOopTypeOffset;
472 @HotSpotVMData(index = 12) @Stable private long jvmciHotSpotVMTypeEntryIsIntegerTypeOffset;
473 @HotSpotVMData(index = 13) @Stable private long jvmciHotSpotVMTypeEntryIsUnsignedOffset;
474 @HotSpotVMData(index = 14) @Stable private long jvmciHotSpotVMTypeEntrySizeOffset;
475 @HotSpotVMData(index = 15) @Stable private long jvmciHotSpotVMTypeEntryArrayStride;
476
477 final class VMTypes implements Iterable<VMTypes.Type> {
478
479 private final long address;
480
481 VMTypes(long address) {
482 this.address = address;
483 }
484
485 public Iterator<VMTypes.Type> iterator() {
486 return new Iterator<VMTypes.Type>() {
487
488 private int index = 0;
489
490 private Type current() {
491 return new Type(address + jvmciHotSpotVMTypeEntryArrayStride * index);
492 }
493
494 /**
495 * The last entry is identified by a NULL type name.
496 */
497 public boolean hasNext() {
498 Type entry = current();
499 return entry.getTypeName() != null;
500 }
501
502 public Type next() {
503 Type entry = current();
504 index++;
505 return entry;
506 }
507 };
508 }
509
510 final class Type {
511
512 private final long entryAddress;
513
514 Type(long address) {
515 this.entryAddress = address;
516 }
517
518 public String getTypeName() {
519 long typeNameAddress = UNSAFE.getAddress(entryAddress + jvmciHotSpotVMTypeEntryTypeNameOffset);
520 return readCString(UNSAFE, typeNameAddress);
521 }
522
523 public String getSuperclassName() {
524 long superclassNameAddress = UNSAFE.getAddress(entryAddress + jvmciHotSpotVMTypeEntrySuperclassNameOffset);
525 return readCString(UNSAFE, superclassNameAddress);
526 }
527
528 public boolean isOopType() {
529 return UNSAFE.getInt(entryAddress + jvmciHotSpotVMTypeEntryIsOopTypeOffset) != 0;
530 }
531
532 public boolean isIntegerType() {
533 return UNSAFE.getInt(entryAddress + jvmciHotSpotVMTypeEntryIsIntegerTypeOffset) != 0;
534 }
535
536 public boolean isUnsigned() {
537 return UNSAFE.getInt(entryAddress + jvmciHotSpotVMTypeEntryIsUnsignedOffset) != 0;
538 }
539
540 public long getSize() {
541 return UNSAFE.getLong(entryAddress + jvmciHotSpotVMTypeEntrySizeOffset);
542 }
543
544 @Override
545 public String toString() {
546 return String.format("Type[typeName=%s, superclassName=%s, isOopType=%b, isIntegerType=%b, isUnsigned=%b, size=%d]", getTypeName(), getSuperclassName(), isOopType(), isIntegerType(),
547 isUnsigned(), getSize());
548 }
549 }
550 }
551
552 public abstract class AbstractConstant {
553
554 protected final long address;
555 protected final long nameOffset;
556 protected final long valueOffset;
557
558 AbstractConstant(long address, long nameOffset, long valueOffset) {
559 this.address = address;
560 this.nameOffset = nameOffset;
561 this.valueOffset = valueOffset;
562 }
563
564 public String getName() {
565 long nameAddress = UNSAFE.getAddress(address + nameOffset);
566 return readCString(UNSAFE, nameAddress);
567 }
568
569 public abstract long getValue();
570 }
571
572 /**
573 * VMIntConstantEntry (see vmStructs.hpp).
574 */
575 @HotSpotVMData(index = 16) @Stable private long jvmciHotSpotVMIntConstants;
576 @HotSpotVMData(index = 17) @Stable private long jvmciHotSpotVMIntConstantEntryNameOffset;
577 @HotSpotVMData(index = 18) @Stable private long jvmciHotSpotVMIntConstantEntryValueOffset;
578 @HotSpotVMData(index = 19) @Stable private long jvmciHotSpotVMIntConstantEntryArrayStride;
579
580 final class VMIntConstants implements Iterable<VMIntConstants.Constant> {
581
582 private final long address;
583
584 VMIntConstants(long address) {
585 this.address = address;
586 }
587
588 public Iterator<VMIntConstants.Constant> iterator() {
589 return new Iterator<VMIntConstants.Constant>() {
590
591 private int index = 0;
592
593 private Constant current() {
594 return new Constant(address + jvmciHotSpotVMIntConstantEntryArrayStride * index);
595 }
596
597 /**
598 * The last entry is identified by a NULL name.
599 */
600 public boolean hasNext() {
601 Constant entry = current();
602 return entry.getName() != null;
603 }
604
605 public Constant next() {
606 Constant entry = current();
607 index++;
608 return entry;
609 }
610 };
611 }
612
613 final class Constant extends AbstractConstant {
614
615 Constant(long address) {
616 super(address, jvmciHotSpotVMIntConstantEntryNameOffset, jvmciHotSpotVMIntConstantEntryValueOffset);
617 }
618
619 @Override
620 public long getValue() {
621 return UNSAFE.getInt(address + valueOffset);
622 }
623
624 @Override
625 public String toString() {
626 return String.format("IntConstant[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue());
627 }
628 }
629 }
630
631 /**
632 * VMLongConstantEntry (see vmStructs.hpp).
633 */
634 @HotSpotVMData(index = 20) @Stable private long jvmciHotSpotVMLongConstants;
635 @HotSpotVMData(index = 21) @Stable private long jvmciHotSpotVMLongConstantEntryNameOffset;
636 @HotSpotVMData(index = 22) @Stable private long jvmciHotSpotVMLongConstantEntryValueOffset;
637 @HotSpotVMData(index = 23) @Stable private long jvmciHotSpotVMLongConstantEntryArrayStride;
638
639 final class VMLongConstants implements Iterable<VMLongConstants.Constant> {
640
641 private final long address;
642
643 VMLongConstants(long address) {
644 this.address = address;
645 }
646
647 public Iterator<VMLongConstants.Constant> iterator() {
648 return new Iterator<VMLongConstants.Constant>() {
649
650 private int index = 0;
651
652 private Constant currentEntry() {
653 return new Constant(address + jvmciHotSpotVMLongConstantEntryArrayStride * index);
654 }
655
656 /**
657 * The last entry is identified by a NULL name.
658 */
659 public boolean hasNext() {
660 Constant entry = currentEntry();
661 return entry.getName() != null;
662 }
663
664 public Constant next() {
665 Constant entry = currentEntry();
666 index++;
667 return entry;
668 }
669 };
670 }
671
672 final class Constant extends AbstractConstant {
673
674 Constant(long address) {
675 super(address, jvmciHotSpotVMLongConstantEntryNameOffset, jvmciHotSpotVMLongConstantEntryValueOffset);
676 }
677
678 @Override
679 public long getValue() {
680 return UNSAFE.getLong(address + valueOffset);
681 }
682
683 @Override
684 public String toString() {
685 return String.format("LongConstant[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue());
686 }
687 }
688 }
689
690 /**
691 * VMAddressEntry (see vmStructs.hpp).
692 */
693 @HotSpotVMData(index = 24) @Stable private long jvmciHotSpotVMAddresses;
694 @HotSpotVMData(index = 25) @Stable private long jvmciHotSpotVMAddressEntryNameOffset;
695 @HotSpotVMData(index = 26) @Stable private long jvmciHotSpotVMAddressEntryValueOffset;
696 @HotSpotVMData(index = 27) @Stable private long jvmciHotSpotVMAddressEntryArrayStride;
697
698 final class VMAddresses implements Iterable<VMAddresses.Address> {
699
700 private final long address;
701
702 VMAddresses(long address) {
703 this.address = address;
704 }
705
706 public Iterator<VMAddresses.Address> iterator() {
707 return new Iterator<VMAddresses.Address>() {
708
709 private int index = 0;
710
711 private Address currentEntry() {
712 return new Address(address + jvmciHotSpotVMAddressEntryArrayStride * index);
713 }
714
715 /**
716 * The last entry is identified by a NULL name.
717 */
718 public boolean hasNext() {
719 Address entry = currentEntry();
720 return entry.getName() != null;
721 }
722
723 public Address next() {
724 Address entry = currentEntry();
725 index++;
726 return entry;
727 }
728 };
729 }
730
731 final class Address extends AbstractConstant {
732
733 Address(long address) {
734 super(address, jvmciHotSpotVMAddressEntryNameOffset, jvmciHotSpotVMAddressEntryValueOffset);
735 }
736
737 @Override
738 public long getValue() {
739 return UNSAFE.getLong(address + valueOffset);
740 }
741
742 @Override
743 public String toString() {
744 return String.format("Address[name=%s, value=%d (0x%x)]", getName(), getValue(), getValue());
745 }
746 }
747 }
748
749 final class Flags implements Iterable<Flags.Flag> {
750
751 private final long address;
752 private final long entrySize;
753 private final long typeOffset;
754 private final long nameOffset;
755 private final long addrOffset;
756
757 Flags(HashMap<String, VMFields.Field> vmStructs, HashMap<String, VMTypes.Type> vmTypes) {
758 address = vmStructs.get("Flag::flags").getValue();
759 entrySize = vmTypes.get("Flag").getSize();
760 typeOffset = vmStructs.get("Flag::_type").getOffset();
761 nameOffset = vmStructs.get("Flag::_name").getOffset();
762 addrOffset = vmStructs.get("Flag::_addr").getOffset();
763
764 assert vmTypes.get("bool").getSize() == Byte.BYTES;
765 assert vmTypes.get("intx").getSize() == Long.BYTES;
766 assert vmTypes.get("uintx").getSize() == Long.BYTES;
767 }
768
769 public Iterator<Flags.Flag> iterator() {
770 return new Iterator<Flags.Flag>() {
771
772 private int index = 0;
773
774 private Flag current() {
775 return new Flag(address + entrySize * index);
776 }
777
778 /**
779 * The last entry is identified by a NULL name.
780 */
781 public boolean hasNext() {
782 Flag entry = current();
783 return entry.getName() != null;
784 }
785
786 public Flag next() {
787 Flag entry = current();
788 index++;
789 return entry;
790 }
791 };
792 }
793
794 final class Flag {
795
796 private final long entryAddress;
797
798 Flag(long address) {
799 this.entryAddress = address;
800 }
801
802 public String getType() {
803 long typeAddress = UNSAFE.getAddress(entryAddress + typeOffset);
804 return readCString(UNSAFE, typeAddress);
805 }
806
807 public String getName() {
808 long nameAddress = UNSAFE.getAddress(entryAddress + nameOffset);
809 return readCString(UNSAFE, nameAddress);
810 }
811
812 public long getAddr() {
813 return UNSAFE.getAddress(entryAddress + addrOffset);
814 }
815
816 public Object getValue() {
817 switch (getType()) {
818 case "bool":
819 return Boolean.valueOf(UNSAFE.getByte(getAddr()) != 0);
820 case "intx":
821 case "uintx":
822 case "uint64_t":
823 return Long.valueOf(UNSAFE.getLong(getAddr()));
824 case "double":
825 return Double.valueOf(UNSAFE.getDouble(getAddr()));
826 case "ccstr":
827 case "ccstrlist":
828 return readCString(UNSAFE, getAddr());
829 default:
830 throw new JVMCIError(getType());
831 }
832 }
833
834 @Override
835 public String toString() {
836 return String.format("Flag[type=%s, name=%s, value=%s]", getType(), getName(), getValue());
837 }
838 }
839 }
840
841 @HotSpotVMConstant(name = "ASSERT") @Stable public boolean cAssertions;
842 public final boolean windowsOs = System.getProperty("os.name", "").startsWith("Windows");
843 public final boolean linuxOs = System.getProperty("os.name", "").startsWith("Linux");
844
845 @HotSpotVMFlag(name = "CodeEntryAlignment") @Stable public int codeEntryAlignment;
846 @HotSpotVMFlag(name = "VerifyOops") @Stable public boolean verifyOops;
847 @HotSpotVMFlag(name = "CITime") @Stable public boolean ciTime;
848 @HotSpotVMFlag(name = "CITimeEach") @Stable public boolean ciTimeEach;
849 @HotSpotVMFlag(name = "CompileTheWorldStartAt", optional = true) @Stable public int compileTheWorldStartAt;
850 @HotSpotVMFlag(name = "CompileTheWorldStopAt", optional = true) @Stable public int compileTheWorldStopAt;
851 @HotSpotVMFlag(name = "DontCompileHugeMethods") @Stable public boolean dontCompileHugeMethods;
852 @HotSpotVMFlag(name = "HugeMethodLimit") @Stable public int hugeMethodLimit;
853 @HotSpotVMFlag(name = "PrintInlining") @Stable public boolean printInlining;
854 @HotSpotVMFlag(name = "Inline") @Stable public boolean inline;
855 @HotSpotVMFlag(name = "JVMCIUseFastLocking") @Stable public boolean useFastLocking;
856 @HotSpotVMFlag(name = "ForceUnreachable") @Stable public boolean forceUnreachable;
857 @HotSpotVMFlag(name = "CodeCacheSegmentSize") @Stable public int codeSegmentSize;
858 @HotSpotVMFlag(name = "FoldStableValues") @Stable public boolean foldStableValues;
859
860 @HotSpotVMFlag(name = "UseTLAB") @Stable public boolean useTLAB;
861 @HotSpotVMFlag(name = "UseBiasedLocking") @Stable public boolean useBiasedLocking;
862 @HotSpotVMFlag(name = "UsePopCountInstruction") @Stable public boolean usePopCountInstruction;
863 @HotSpotVMFlag(name = "UseCountLeadingZerosInstruction", archs = {"amd64"}) @Stable public boolean useCountLeadingZerosInstruction;
864 @HotSpotVMFlag(name = "UseCountTrailingZerosInstruction", archs = {"amd64"}) @Stable public boolean useCountTrailingZerosInstruction;
865 @HotSpotVMFlag(name = "UseAESIntrinsics") @Stable public boolean useAESIntrinsics;
866 @HotSpotVMFlag(name = "UseCRC32Intrinsics") @Stable public boolean useCRC32Intrinsics;
867 @HotSpotVMFlag(name = "UseG1GC") @Stable public boolean useG1GC;
868 @HotSpotVMFlag(name = "UseConcMarkSweepGC") @Stable public boolean useCMSGC;
869
870 @HotSpotVMFlag(name = "AllocatePrefetchStyle") @Stable public int allocatePrefetchStyle;
871 @HotSpotVMFlag(name = "AllocatePrefetchInstr") @Stable public int allocatePrefetchInstr;
872 @HotSpotVMFlag(name = "AllocatePrefetchLines") @Stable public int allocatePrefetchLines;
873 @HotSpotVMFlag(name = "AllocateInstancePrefetchLines") @Stable public int allocateInstancePrefetchLines;
874 @HotSpotVMFlag(name = "AllocatePrefetchStepSize") @Stable public int allocatePrefetchStepSize;
875 @HotSpotVMFlag(name = "AllocatePrefetchDistance") @Stable public int allocatePrefetchDistance;
876
877 @HotSpotVMFlag(name = "FlightRecorder", optional = true) @Stable public boolean flightRecorder;
878
879 @HotSpotVMField(name = "CompilerToVM::Data::Universe_collectedHeap", type = "CollectedHeap*", get = HotSpotVMField.Type.VALUE) @Stable private long universeCollectedHeap;
880 @HotSpotVMField(name = "CollectedHeap::_total_collections", type = "unsigned int", get = HotSpotVMField.Type.OFFSET) @Stable private int collectedHeapTotalCollectionsOffset;
881
882 public long gcTotalCollectionsAddress() {
883 return universeCollectedHeap + collectedHeapTotalCollectionsOffset;
884 }
885
886 @HotSpotVMFlag(name = "ReduceInitialCardMarks") @Stable public boolean useDeferredInitBarriers;
887
888 // Compressed Oops related values.
889 @HotSpotVMFlag(name = "UseCompressedOops") @Stable public boolean useCompressedOops;
890 @HotSpotVMFlag(name = "UseCompressedClassPointers") @Stable public boolean useCompressedClassPointers;
891
892 @HotSpotVMField(name = "CompilerToVM::Data::Universe_narrow_oop_base", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long narrowOopBase;
893 @HotSpotVMField(name = "CompilerToVM::Data::Universe_narrow_oop_shift", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int narrowOopShift;
894 @HotSpotVMFlag(name = "ObjectAlignmentInBytes") @Stable public int objectAlignment;
895
896 public final int minObjAlignment() {
897 return objectAlignment / heapWordSize;
898 }
899
900 public final int logMinObjAlignment() {
901 return (int) (Math.log(objectAlignment) / Math.log(2));
902 }
903
904 @HotSpotVMType(name = "narrowKlass", get = HotSpotVMType.Type.SIZE) @Stable public int narrowKlassSize;
905 @HotSpotVMField(name = "CompilerToVM::Data::Universe_narrow_klass_base", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long narrowKlassBase;
906 @HotSpotVMField(name = "CompilerToVM::Data::Universe_narrow_klass_shift", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int narrowKlassShift;
907 @HotSpotVMConstant(name = "LogKlassAlignmentInBytes") @Stable public int logKlassAlignment;
908
909 // CPU capabilities
910 @HotSpotVMFlag(name = "UseSSE") @Stable public int useSSE;
911 @HotSpotVMFlag(name = "UseAVX", archs = {"amd64"}) @Stable public int useAVX;
912
913 @HotSpotVMField(name = "Abstract_VM_Version::_features", type = "uint64_t", get = HotSpotVMField.Type.VALUE) @Stable public long vmVersionFeatures;
914
915 // AMD64 specific values
916 @HotSpotVMConstant(name = "VM_Version::CPU_CX8", archs = {"amd64"}) @Stable public long amd64CX8;
917 @HotSpotVMConstant(name = "VM_Version::CPU_CMOV", archs = {"amd64"}) @Stable public long amd64CMOV;
918 @HotSpotVMConstant(name = "VM_Version::CPU_FXSR", archs = {"amd64"}) @Stable public long amd64FXSR;
919 @HotSpotVMConstant(name = "VM_Version::CPU_HT", archs = {"amd64"}) @Stable public long amd64HT;
920 @HotSpotVMConstant(name = "VM_Version::CPU_MMX", archs = {"amd64"}) @Stable public long amd64MMX;
921 @HotSpotVMConstant(name = "VM_Version::CPU_3DNOW_PREFETCH", archs = {"amd64"}) @Stable public long amd643DNOWPREFETCH;
922 @HotSpotVMConstant(name = "VM_Version::CPU_SSE", archs = {"amd64"}) @Stable public long amd64SSE;
923 @HotSpotVMConstant(name = "VM_Version::CPU_SSE2", archs = {"amd64"}) @Stable public long amd64SSE2;
924 @HotSpotVMConstant(name = "VM_Version::CPU_SSE3", archs = {"amd64"}) @Stable public long amd64SSE3;
925 @HotSpotVMConstant(name = "VM_Version::CPU_SSSE3", archs = {"amd64"}) @Stable public long amd64SSSE3;
926 @HotSpotVMConstant(name = "VM_Version::CPU_SSE4A", archs = {"amd64"}) @Stable public long amd64SSE4A;
927 @HotSpotVMConstant(name = "VM_Version::CPU_SSE4_1", archs = {"amd64"}) @Stable public long amd64SSE41;
928 @HotSpotVMConstant(name = "VM_Version::CPU_SSE4_2", archs = {"amd64"}) @Stable public long amd64SSE42;
929 @HotSpotVMConstant(name = "VM_Version::CPU_POPCNT", archs = {"amd64"}) @Stable public long amd64POPCNT;
930 @HotSpotVMConstant(name = "VM_Version::CPU_LZCNT", archs = {"amd64"}) @Stable public long amd64LZCNT;
931 @HotSpotVMConstant(name = "VM_Version::CPU_TSC", archs = {"amd64"}) @Stable public long amd64TSC;
932 @HotSpotVMConstant(name = "VM_Version::CPU_TSCINV", archs = {"amd64"}) @Stable public long amd64TSCINV;
933 @HotSpotVMConstant(name = "VM_Version::CPU_AVX", archs = {"amd64"}) @Stable public long amd64AVX;
934 @HotSpotVMConstant(name = "VM_Version::CPU_AVX2", archs = {"amd64"}) @Stable public long amd64AVX2;
935 @HotSpotVMConstant(name = "VM_Version::CPU_AES", archs = {"amd64"}) @Stable public long amd64AES;
936 @HotSpotVMConstant(name = "VM_Version::CPU_ERMS", archs = {"amd64"}) @Stable public long amd64ERMS;
937 @HotSpotVMConstant(name = "VM_Version::CPU_CLMUL", archs = {"amd64"}) @Stable public long amd64CLMUL;
938 @HotSpotVMConstant(name = "VM_Version::CPU_BMI1", archs = {"amd64"}) @Stable public long amd64BMI1;
939 @HotSpotVMConstant(name = "VM_Version::CPU_BMI2", archs = {"amd64"}) @Stable public long amd64BMI2;
940 @HotSpotVMConstant(name = "VM_Version::CPU_RTM", archs = {"amd64"}) @Stable public long amd64RTM;
941 @HotSpotVMConstant(name = "VM_Version::CPU_ADX", archs = {"amd64"}) @Stable public long amd64ADX;
942 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512F", archs = {"amd64"}) @Stable public long amd64AVX512F;
943 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512DQ", archs = {"amd64"}) @Stable public long amd64AVX512DQ;
944 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512PF", archs = {"amd64"}) @Stable public long amd64AVX512PF;
945 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512ER", archs = {"amd64"}) @Stable public long amd64AVX512ER;
946 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512CD", archs = {"amd64"}) @Stable public long amd64AVX512CD;
947 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512BW", archs = {"amd64"}) @Stable public long amd64AVX512BW;
948 @HotSpotVMConstant(name = "VM_Version::CPU_AVX512VL", archs = {"amd64"}) @Stable public long amd64AVX512VL;
949 @HotSpotVMConstant(name = "VM_Version::CPU_SHA", archs = {"amd64"}) @Stable public long amd64SHA;
950
951 // SPARC specific values
952 @HotSpotVMConstant(name = "VM_Version::vis3_instructions_m", archs = {"sparc"}) @Stable public int sparcVis3Instructions;
953 @HotSpotVMConstant(name = "VM_Version::vis2_instructions_m", archs = {"sparc"}) @Stable public int sparcVis2Instructions;
954 @HotSpotVMConstant(name = "VM_Version::vis1_instructions_m", archs = {"sparc"}) @Stable public int sparcVis1Instructions;
955 @HotSpotVMConstant(name = "VM_Version::cbcond_instructions_m", archs = {"sparc"}) @Stable public int sparcCbcondInstructions;
956 @HotSpotVMConstant(name = "VM_Version::v8_instructions_m", archs = {"sparc"}) @Stable public int sparcV8Instructions;
957 @HotSpotVMConstant(name = "VM_Version::hardware_mul32_m", archs = {"sparc"}) @Stable public int sparcHardwareMul32;
958 @HotSpotVMConstant(name = "VM_Version::hardware_div32_m", archs = {"sparc"}) @Stable public int sparcHardwareDiv32;
959 @HotSpotVMConstant(name = "VM_Version::hardware_fsmuld_m", archs = {"sparc"}) @Stable public int sparcHardwareFsmuld;
960 @HotSpotVMConstant(name = "VM_Version::hardware_popc_m", archs = {"sparc"}) @Stable public int sparcHardwarePopc;
961 @HotSpotVMConstant(name = "VM_Version::v9_instructions_m", archs = {"sparc"}) @Stable public int sparcV9Instructions;
962 @HotSpotVMConstant(name = "VM_Version::sun4v_m", archs = {"sparc"}) @Stable public int sparcSun4v;
963 @HotSpotVMConstant(name = "VM_Version::blk_init_instructions_m", archs = {"sparc"}) @Stable public int sparcBlkInitInstructions;
964 @HotSpotVMConstant(name = "VM_Version::fmaf_instructions_m", archs = {"sparc"}) @Stable public int sparcFmafInstructions;
965 @HotSpotVMConstant(name = "VM_Version::fmau_instructions_m", archs = {"sparc"}) @Stable public int sparcFmauInstructions;
966 @HotSpotVMConstant(name = "VM_Version::sparc64_family_m", archs = {"sparc"}) @Stable public int sparcSparc64Family;
967 @HotSpotVMConstant(name = "VM_Version::M_family_m", archs = {"sparc"}) @Stable public int sparcMFamily;
968 @HotSpotVMConstant(name = "VM_Version::T_family_m", archs = {"sparc"}) @Stable public int sparcTFamily;
969 @HotSpotVMConstant(name = "VM_Version::T1_model_m", archs = {"sparc"}) @Stable public int sparcT1Model;
970 @HotSpotVMConstant(name = "VM_Version::sparc5_instructions_m", archs = {"sparc"}) @Stable public int sparcSparc5Instructions;
971 @HotSpotVMConstant(name = "VM_Version::aes_instructions_m", archs = {"sparc"}) @Stable public int sparcAesInstructions;
972 @HotSpotVMConstant(name = "VM_Version::sha1_instruction_m", archs = {"sparc"}) @Stable public int sparcSha1Instruction;
973 @HotSpotVMConstant(name = "VM_Version::sha256_instruction_m", archs = {"sparc"}) @Stable public int sparcSha256Instruction;
974 @HotSpotVMConstant(name = "VM_Version::sha512_instruction_m", archs = {"sparc"}) @Stable public int sparcSha512Instruction;
975
976 @HotSpotVMFlag(name = "UseBlockZeroing", archs = {"sparc"}) @Stable public boolean useBlockZeroing;
977 @HotSpotVMFlag(name = "BlockZeroingLowLimit", archs = {"sparc"}) @Stable public int blockZeroingLowLimit;
978
979 @HotSpotVMFlag(name = "StackShadowPages") @Stable public int stackShadowPages;
980 @HotSpotVMFlag(name = "StackReservedPages") @Stable public int stackReservedPages;
981 @HotSpotVMFlag(name = "UseStackBanging") @Stable public boolean useStackBanging;
982 @HotSpotVMConstant(name = "STACK_BIAS") @Stable public int stackBias;
983 @HotSpotVMField(name = "CompilerToVM::Data::vm_page_size", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int vmPageSize;
984
985 // offsets, ...
986 @HotSpotVMField(name = "oopDesc::_mark", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int markOffset;
987 @HotSpotVMField(name = "oopDesc::_metadata._klass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int hubOffset;
988
989 @HotSpotVMField(name = "Klass::_prototype_header", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int prototypeMarkWordOffset;
990 @HotSpotVMField(name = "Klass::_subklass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int subklassOffset;
991 @HotSpotVMField(name = "Klass::_next_sibling", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int nextSiblingOffset;
992 @HotSpotVMField(name = "Klass::_super_check_offset", type = "juint", get = HotSpotVMField.Type.OFFSET) @Stable public int superCheckOffsetOffset;
993 @HotSpotVMField(name = "Klass::_secondary_super_cache", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int secondarySuperCacheOffset;
994 @HotSpotVMField(name = "Klass::_secondary_supers", type = "Array<Klass*>*", get = HotSpotVMField.Type.OFFSET) @Stable public int secondarySupersOffset;
995
996 /**
997 * The offset of the _java_mirror field (of type {@link Class}) in a Klass.
998 */
999 @HotSpotVMField(name = "Klass::_java_mirror", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int classMirrorOffset;
1000
1001 @HotSpotVMField(name = "Klass::_super", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int klassSuperKlassOffset;
1002 @HotSpotVMField(name = "Klass::_modifier_flags", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int klassModifierFlagsOffset;
1003 @HotSpotVMField(name = "Klass::_access_flags", type = "AccessFlags", get = HotSpotVMField.Type.OFFSET) @Stable public int klassAccessFlagsOffset;
1004 @HotSpotVMField(name = "Klass::_layout_helper", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int klassLayoutHelperOffset;
1005 @HotSpotVMField(name = "Klass::_name", type = "Symbol*", get = HotSpotVMField.Type.OFFSET) @Stable public int klassNameOffset;
1006
1007 @HotSpotVMConstant(name = "Klass::_lh_neutral_value") @Stable public int klassLayoutHelperNeutralValue;
1008 @HotSpotVMConstant(name = "Klass::_lh_instance_slow_path_bit") @Stable public int klassLayoutHelperInstanceSlowPathBit;
1009 @HotSpotVMConstant(name = "Klass::_lh_log2_element_size_shift") @Stable public int layoutHelperLog2ElementSizeShift;
1010 @HotSpotVMConstant(name = "Klass::_lh_log2_element_size_mask") @Stable public int layoutHelperLog2ElementSizeMask;
1011 @HotSpotVMConstant(name = "Klass::_lh_element_type_shift") @Stable public int layoutHelperElementTypeShift;
1012 @HotSpotVMConstant(name = "Klass::_lh_element_type_mask") @Stable public int layoutHelperElementTypeMask;
1013 @HotSpotVMConstant(name = "Klass::_lh_header_size_shift") @Stable public int layoutHelperHeaderSizeShift;
1014 @HotSpotVMConstant(name = "Klass::_lh_header_size_mask") @Stable public int layoutHelperHeaderSizeMask;
1015 @HotSpotVMConstant(name = "Klass::_lh_array_tag_shift") @Stable public int layoutHelperArrayTagShift;
1016 @HotSpotVMConstant(name = "Klass::_lh_array_tag_type_value") @Stable public int layoutHelperArrayTagTypeValue;
1017 @HotSpotVMConstant(name = "Klass::_lh_array_tag_obj_value") @Stable public int layoutHelperArrayTagObjectValue;
1018
1019 /**
1020 * This filters out the bit that differentiates a type array from an object array.
1021 */
1022 public int layoutHelperElementTypePrimitiveInPlace() {
1023 return (layoutHelperArrayTagTypeValue & ~layoutHelperArrayTagObjectValue) << layoutHelperArrayTagShift;
1024 }
1025
1026 /**
1027 * Bit pattern in the klass layout helper that can be used to identify arrays.
1028 */
1029 public final int arrayKlassLayoutHelperIdentifier = 0x80000000;
1030
1031 @HotSpotVMType(name = "vtableEntry", get = HotSpotVMType.Type.SIZE) @Stable public int vtableEntrySize;
1032 @HotSpotVMField(name = "vtableEntry::_method", type = "Method*", get = HotSpotVMField.Type.OFFSET) @Stable public int vtableEntryMethodOffset;
1033
1034 @HotSpotVMType(name = "InstanceKlass", get = HotSpotVMType.Type.SIZE) @Stable public int instanceKlassSize;
1035 @HotSpotVMField(name = "InstanceKlass::_source_file_name_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassSourceFileNameIndexOffset;
1036 @HotSpotVMField(name = "InstanceKlass::_init_state", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassInitStateOffset;
1037 @HotSpotVMField(name = "InstanceKlass::_constants", type = "ConstantPool*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassConstantsOffset;
1038 @HotSpotVMField(name = "InstanceKlass::_fields", type = "Array<u2>*", get = HotSpotVMField.Type.OFFSET) @Stable public int instanceKlassFieldsOffset;
1039 @HotSpotVMField(name = "CompilerToVM::Data::Klass_vtable_start_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int klassVtableStartOffset;
1040 @HotSpotVMField(name = "CompilerToVM::Data::Klass_vtable_length_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int klassVtableLengthOffset;
1041
1042 @HotSpotVMConstant(name = "InstanceKlass::linked") @Stable public int instanceKlassStateLinked;
1043 @HotSpotVMConstant(name = "InstanceKlass::fully_initialized") @Stable public int instanceKlassStateFullyInitialized;
1044
1045 @HotSpotVMType(name = "arrayOopDesc", get = HotSpotVMType.Type.SIZE) @Stable public int arrayOopDescSize;
1046
1047 /**
1048 * The offset of the array length word in an array object's header.
1049 *
1050 * See {@code arrayOopDesc::length_offset_in_bytes()}.
1051 */
1052 public final int arrayOopDescLengthOffset() {
1053 return useCompressedClassPointers ? hubOffset + narrowKlassSize : arrayOopDescSize;
1054 }
1055
1056 @HotSpotVMField(name = "Array<int>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1LengthOffset;
1057 @HotSpotVMField(name = "Array<u1>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU1DataOffset;
1058 @HotSpotVMField(name = "Array<u2>::_data", type = "", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayU2DataOffset;
1059 @HotSpotVMField(name = "Array<Klass*>::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayLengthOffset;
1060 @HotSpotVMField(name = "Array<Klass*>::_data[0]", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int metaspaceArrayBaseOffset;
1061
1062 @HotSpotVMField(name = "ObjArrayKlass::_element_klass", type = "Klass*", get = HotSpotVMField.Type.OFFSET) @Stable public int arrayClassElementOffset;
1063
1064 @HotSpotVMConstant(name = "FieldInfo::access_flags_offset") @Stable public int fieldInfoAccessFlagsOffset;
1065 @HotSpotVMConstant(name = "FieldInfo::name_index_offset") @Stable public int fieldInfoNameIndexOffset;
1066 @HotSpotVMConstant(name = "FieldInfo::signature_index_offset") @Stable public int fieldInfoSignatureIndexOffset;
1067 @HotSpotVMConstant(name = "FieldInfo::initval_index_offset") @Stable public int fieldInfoInitvalIndexOffset;
1068 @HotSpotVMConstant(name = "FieldInfo::low_packed_offset") @Stable public int fieldInfoLowPackedOffset;
1069 @HotSpotVMConstant(name = "FieldInfo::high_packed_offset") @Stable public int fieldInfoHighPackedOffset;
1070 @HotSpotVMConstant(name = "FieldInfo::field_slots") @Stable public int fieldInfoFieldSlots;
1071
1072 @HotSpotVMConstant(name = "FIELDINFO_TAG_SIZE") @Stable public int fieldInfoTagSize;
1073
1074 @HotSpotVMConstant(name = "JVM_ACC_MONITOR_MATCH") @Stable public int jvmAccMonitorMatch;
1075 @HotSpotVMConstant(name = "JVM_ACC_HAS_MONITOR_BYTECODES") @Stable public int jvmAccHasMonitorBytecodes;
1076 @HotSpotVMConstant(name = "JVM_ACC_HAS_FINALIZER") @Stable public int jvmAccHasFinalizer;
1077 @HotSpotVMConstant(name = "JVM_ACC_FIELD_INTERNAL") @Stable public int jvmAccFieldInternal;
1078 @HotSpotVMConstant(name = "JVM_ACC_FIELD_STABLE") @Stable public int jvmAccFieldStable;
1079 @HotSpotVMConstant(name = "JVM_ACC_FIELD_HAS_GENERIC_SIGNATURE") @Stable public int jvmAccFieldHasGenericSignature;
1080 @HotSpotVMConstant(name = "JVM_ACC_WRITTEN_FLAGS") @Stable public int jvmAccWrittenFlags;
1081 @HotSpotVMConstant(name = "JVM_ACC_IS_CLONEABLE_FAST") @Stable public int jvmAccIsCloneableFast;
1082
1083 // Modifier.SYNTHETIC is not public so we get it via vmStructs.
1084 @HotSpotVMConstant(name = "JVM_ACC_SYNTHETIC") @Stable public int jvmAccSynthetic;
1085
1086 /**
1087 * @see HotSpotResolvedObjectTypeImpl#createField
1088 */
1089 @HotSpotVMConstant(name = "JVM_RECOGNIZED_FIELD_MODIFIERS") @Stable public int recognizedFieldModifiers;
1090
1091 @HotSpotVMField(name = "Thread::_tlab", type = "ThreadLocalAllocBuffer", get = HotSpotVMField.Type.OFFSET) @Stable public int threadTlabOffset;
1092
1093 @HotSpotVMField(name = "JavaThread::_anchor", type = "JavaFrameAnchor", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadAnchorOffset;
1094 @HotSpotVMField(name = "JavaThread::_threadObj", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadObjectOffset;
1095 @HotSpotVMField(name = "JavaThread::_osthread", type = "OSThread*", get = HotSpotVMField.Type.OFFSET) @Stable public int osThreadOffset;
1096 @HotSpotVMField(name = "JavaThread::_dirty_card_queue", type = "DirtyCardQueue", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadDirtyCardQueueOffset;
1097 @HotSpotVMField(name = "JavaThread::_is_method_handle_return", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int threadIsMethodHandleReturnOffset;
1098 @HotSpotVMField(name = "JavaThread::_satb_mark_queue", type = "SATBMarkQueue", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadSatbMarkQueueOffset;
1099 @HotSpotVMField(name = "JavaThread::_vm_result", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadObjectResultOffset;
1100 @HotSpotVMField(name = "JavaThread::_jvmci_counters", type = "jlong*", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciCountersThreadOffset;
1101 @HotSpotVMField(name = "JavaThread::_reserved_stack_activation", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int javaThreadReservedStackActivationOffset;
1102
1103 /**
1104 * An invalid value for {@link #rtldDefault}.
1105 */
1106 public static final long INVALID_RTLD_DEFAULT_HANDLE = 0xDEADFACE;
1107
1108 /**
1109 * Address of the library lookup routine. The C signature of this routine is:
1110 *
1111 * <pre>
1112 * void* (const char *filename, char *ebuf, int ebuflen)
1113 * </pre>
1114 */
1115 @HotSpotVMAddress(name = "os::dll_load") @Stable public long dllLoad;
1116
1117 /**
1118 * Address of the library lookup routine. The C signature of this routine is:
1119 *
1120 * <pre>
1121 * void* (void* handle, const char* name)
1122 * </pre>
1123 */
1124 @HotSpotVMAddress(name = "os::dll_lookup") @Stable public long dllLookup;
1125
1126 /**
1127 * A pseudo-handle which when used as the first argument to {@link #dllLookup} means lookup will
1128 * return the first occurrence of the desired symbol using the default library search order. If
1129 * this field is {@value #INVALID_RTLD_DEFAULT_HANDLE}, then this capability is not supported on
1130 * the current platform.
1131 */
1132 @HotSpotVMAddress(name = "RTLD_DEFAULT", os = {"bsd", "linux"}) @Stable public long rtldDefault = INVALID_RTLD_DEFAULT_HANDLE;
1133
1134 /**
1135 * This field is used to pass exception objects into and out of the runtime system during
1136 * exception handling for compiled code.
1137 */
1138 @HotSpotVMField(name = "JavaThread::_exception_oop", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int threadExceptionOopOffset;
1139 @HotSpotVMField(name = "JavaThread::_exception_pc", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int threadExceptionPcOffset;
1140 @HotSpotVMField(name = "ThreadShadow::_pending_exception", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingExceptionOffset;
1141
1142 @HotSpotVMField(name = "JavaThread::_pending_deoptimization", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingDeoptimizationOffset;
1143 @HotSpotVMField(name = "JavaThread::_pending_failed_speculation", type = "oop", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingFailedSpeculationOffset;
1144 @HotSpotVMField(name = "JavaThread::_pending_transfer_to_interpreter", type = "bool", get = HotSpotVMField.Type.OFFSET) @Stable public int pendingTransferToInterpreterOffset;
1145
1146 @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_sp", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET) @Stable private int javaFrameAnchorLastJavaSpOffset;
1147 @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_pc", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable private int javaFrameAnchorLastJavaPcOffset;
1148 @HotSpotVMField(name = "JavaFrameAnchor::_last_Java_fp", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET, archs = {"aarch64, amd64"}) @Stable private int javaFrameAnchorLastJavaFpOffset;
1149 @HotSpotVMField(name = "JavaFrameAnchor::_flags", type = "int", get = HotSpotVMField.Type.OFFSET, archs = {"sparc"}) @Stable private int javaFrameAnchorFlagsOffset;
1150
1151 public int threadLastJavaSpOffset() {
1152 return javaThreadAnchorOffset + javaFrameAnchorLastJavaSpOffset;
1153 }
1154
1155 public int threadLastJavaPcOffset() {
1156 return javaThreadAnchorOffset + javaFrameAnchorLastJavaPcOffset;
1157 }
1158
1159 public int threadLastJavaFpOffset() {
1160 assert getHostArchitectureName().equals("aarch64") || getHostArchitectureName().equals("amd64");
1161 return javaThreadAnchorOffset + javaFrameAnchorLastJavaFpOffset;
1162 }
1163
1164 /**
1165 * This value is only valid on SPARC.
1166 */
1167 public int threadJavaFrameAnchorFlagsOffset() {
1168 // TODO add an assert for SPARC
1169 return javaThreadAnchorOffset + javaFrameAnchorFlagsOffset;
1170 }
1171
1172 // These are only valid on AMD64.
1173 @HotSpotVMConstant(name = "frame::arg_reg_save_area_bytes", archs = {"amd64"}) @Stable public int runtimeCallStackSize;
1174 @HotSpotVMConstant(name = "frame::interpreter_frame_sender_sp_offset", archs = {"amd64"}) @Stable public int frameInterpreterFrameSenderSpOffset;
1175 @HotSpotVMConstant(name = "frame::interpreter_frame_last_sp_offset", archs = {"amd64"}) @Stable public int frameInterpreterFrameLastSpOffset;
1176
1177 @HotSpotVMConstant(name = "dirtyCardQueueBufferOffset") @Stable private int dirtyCardQueueBufferOffset;
1178 @HotSpotVMConstant(name = "dirtyCardQueueIndexOffset") @Stable private int dirtyCardQueueIndexOffset;
1179
1180 @HotSpotVMConstant(name = "satbMarkQueueBufferOffset") @Stable private int satbMarkQueueBufferOffset;
1181 @HotSpotVMConstant(name = "satbMarkQueueIndexOffset") @Stable private int satbMarkQueueIndexOffset;
1182 @HotSpotVMConstant(name = "satbMarkQueueActiveOffset") @Stable private int satbMarkQueueActiveOffset;
1183
1184 @HotSpotVMField(name = "OSThread::_interrupted", type = "jint", get = HotSpotVMField.Type.OFFSET) @Stable public int osThreadInterruptedOffset;
1185
1186 @HotSpotVMConstant(name = "markOopDesc::hash_shift") @Stable public long markOopDescHashShift;
1187
1188 @HotSpotVMConstant(name = "markOopDesc::biased_lock_mask_in_place") @Stable public int biasedLockMaskInPlace;
1189 @HotSpotVMConstant(name = "markOopDesc::age_mask_in_place") @Stable public int ageMaskInPlace;
1190 @HotSpotVMConstant(name = "markOopDesc::epoch_mask_in_place") @Stable public int epochMaskInPlace;
1191 @HotSpotVMConstant(name = "markOopDesc::hash_mask") @Stable public long markOopDescHashMask;
1192 @HotSpotVMConstant(name = "markOopDesc::hash_mask_in_place") @Stable public long markOopDescHashMaskInPlace;
1193
1194 @HotSpotVMConstant(name = "markOopDesc::unlocked_value") @Stable public int unlockedMask;
1195 @HotSpotVMConstant(name = "markOopDesc::biased_lock_pattern") @Stable public int biasedLockPattern;
1196
1197 @HotSpotVMConstant(name = "markOopDesc::no_hash_in_place") @Stable public int markWordNoHashInPlace;
1198 @HotSpotVMConstant(name = "markOopDesc::no_lock_in_place") @Stable public int markWordNoLockInPlace;
1199
1200 /**
1201 * See {@code markOopDesc::prototype()}.
1202 */
1203 public long arrayPrototypeMarkWord() {
1204 return markWordNoHashInPlace | markWordNoLockInPlace;
1205 }
1206
1207 /**
1208 * See {@code markOopDesc::copy_set_hash()}.
1209 */
1210 public long tlabIntArrayMarkWord() {
1211 long tmp = arrayPrototypeMarkWord() & (~markOopDescHashMaskInPlace);
1212 tmp |= ((0x2 & markOopDescHashMask) << markOopDescHashShift);
1213 return tmp;
1214 }
1215
1216 /**
1217 * Mark word right shift to get identity hash code.
1218 */
1219 @HotSpotVMConstant(name = "markOopDesc::hash_shift") @Stable public int identityHashCodeShift;
1220
1221 /**
1222 * Identity hash code value when uninitialized.
1223 */
1224 @HotSpotVMConstant(name = "markOopDesc::no_hash") @Stable public int uninitializedIdentityHashCodeValue;
1225
1226 @HotSpotVMField(name = "Method::_access_flags", type = "AccessFlags", get = HotSpotVMField.Type.OFFSET) @Stable public int methodAccessFlagsOffset;
1227 @HotSpotVMField(name = "Method::_constMethod", type = "ConstMethod*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodConstMethodOffset;
1228 @HotSpotVMField(name = "Method::_intrinsic_id", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodIntrinsicIdOffset;
1229 @HotSpotVMField(name = "Method::_flags", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodFlagsOffset;
1230 @HotSpotVMField(name = "Method::_vtable_index", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodVtableIndexOffset;
1231
1232 @HotSpotVMField(name = "Method::_method_counters", type = "MethodCounters*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCountersOffset;
1233 @HotSpotVMField(name = "Method::_method_data", type = "MethodData*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOffset;
1234 @HotSpotVMField(name = "Method::_from_compiled_entry", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCompiledEntryOffset;
1235 @HotSpotVMField(name = "Method::_code", type = "CompiledMethod*", get = HotSpotVMField.Type.OFFSET) @Stable public int methodCodeOffset;
1236
1237 @HotSpotVMConstant(name = "Method::_jfr_towrite") @Stable public int methodFlagsJfrTowrite;
1238 @HotSpotVMConstant(name = "Method::_caller_sensitive") @Stable public int methodFlagsCallerSensitive;
1239 @HotSpotVMConstant(name = "Method::_force_inline") @Stable public int methodFlagsForceInline;
1240 @HotSpotVMConstant(name = "Method::_dont_inline") @Stable public int methodFlagsDontInline;
1241 @HotSpotVMConstant(name = "Method::_hidden") @Stable public int methodFlagsHidden;
1242 @HotSpotVMConstant(name = "Method::_reserved_stack_access") @Stable public int methodFlagsReservedStackAccess;
1243 @HotSpotVMConstant(name = "Method::nonvirtual_vtable_index") @Stable public int nonvirtualVtableIndex;
1244 @HotSpotVMConstant(name = "Method::invalid_vtable_index") @Stable public int invalidVtableIndex;
1245
1246 @HotSpotVMField(name = "MethodCounters::_invocation_counter", type = "InvocationCounter", get = HotSpotVMField.Type.OFFSET) @Stable public int invocationCounterOffset;
1247 @HotSpotVMField(name = "MethodCounters::_backedge_counter", type = "InvocationCounter", get = HotSpotVMField.Type.OFFSET) @Stable public int backedgeCounterOffset;
1248 @HotSpotVMConstant(name = "InvocationCounter::count_increment") @Stable public int invocationCounterIncrement;
1249 @HotSpotVMConstant(name = "InvocationCounter::count_shift") @Stable public int invocationCounterShift;
1250
1251 @HotSpotVMField(name = "MethodData::_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataSize;
1252 @HotSpotVMField(name = "MethodData::_data_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataDataSize;
1253 @HotSpotVMField(name = "MethodData::_data[0]", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOopDataOffset;
1254 @HotSpotVMField(name = "MethodData::_trap_hist._array[0]", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataOopTrapHistoryOffset;
1255 @HotSpotVMField(name = "MethodData::_jvmci_ir_size", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int methodDataIRSizeOffset;
1256
1257 @HotSpotVMField(name = "nmethod::_verified_entry_point", type = "address", get = HotSpotVMField.Type.OFFSET) @Stable public int nmethodEntryOffset;
1258 @HotSpotVMField(name = "nmethod::_comp_level", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int nmethodCompLevelOffset;
1259
1260 @HotSpotVMConstant(name = "CompLevel_none") @Stable public int compilationLevelNone;
1261 @HotSpotVMConstant(name = "CompLevel_simple") @Stable public int compilationLevelSimple;
1262 @HotSpotVMConstant(name = "CompLevel_limited_profile") @Stable public int compilationLevelLimitedProfile;
1263 @HotSpotVMConstant(name = "CompLevel_full_profile") @Stable public int compilationLevelFullProfile;
1264 @HotSpotVMConstant(name = "CompLevel_full_optimization") @Stable public int compilationLevelFullOptimization;
1265
1266 @HotSpotVMConstant(name = "JVMCIRuntime::none") @Stable public int compLevelAdjustmentNone;
1267 @HotSpotVMConstant(name = "JVMCIRuntime::by_holder") @Stable public int compLevelAdjustmentByHolder;
1268 @HotSpotVMConstant(name = "JVMCIRuntime::by_full_signature") @Stable public int compLevelAdjustmentByFullSignature;
1269
1270 @HotSpotVMConstant(name = "InvocationEntryBci") @Stable public int invocationEntryBci;
1271
1272 @HotSpotVMField(name = "JVMCIEnv::_task", type = "CompileTask*", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciEnvTaskOffset;
1273 @HotSpotVMField(name = "JVMCIEnv::_jvmti_can_hotswap_or_post_breakpoint", type = "bool", get = HotSpotVMField.Type.OFFSET) @Stable public int jvmciEnvJvmtiCanHotswapOrPostBreakpointOffset;
1274 @HotSpotVMField(name = "CompileTask::_num_inlined_bytecodes", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int compileTaskNumInlinedBytecodesOffset;
1275
1276 @HotSpotVMField(name = "CompilerToVM::Data::Method_extra_stack_entries", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int extraStackEntries;
1277
1278 @HotSpotVMField(name = "ConstMethod::_constants", type = "ConstantPool*", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodConstantsOffset;
1279 @HotSpotVMField(name = "ConstMethod::_flags", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodFlagsOffset;
1280 @HotSpotVMField(name = "ConstMethod::_code_size", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodCodeSizeOffset;
1281 @HotSpotVMField(name = "ConstMethod::_name_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodNameIndexOffset;
1282 @HotSpotVMField(name = "ConstMethod::_signature_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodSignatureIndexOffset;
1283 @HotSpotVMField(name = "ConstMethod::_max_stack", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int constMethodMaxStackOffset;
1284 @HotSpotVMField(name = "ConstMethod::_max_locals", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int methodMaxLocalsOffset;
1285
1286 @HotSpotVMConstant(name = "ConstMethod::_has_linenumber_table") @Stable public int constMethodHasLineNumberTable;
1287 @HotSpotVMConstant(name = "ConstMethod::_has_localvariable_table") @Stable public int constMethodHasLocalVariableTable;
1288 @HotSpotVMConstant(name = "ConstMethod::_has_exception_table") @Stable public int constMethodHasExceptionTable;
1289
1290 @HotSpotVMType(name = "ExceptionTableElement", get = HotSpotVMType.Type.SIZE) @Stable public int exceptionTableElementSize;
1291 @HotSpotVMField(name = "ExceptionTableElement::start_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementStartPcOffset;
1292 @HotSpotVMField(name = "ExceptionTableElement::end_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementEndPcOffset;
1293 @HotSpotVMField(name = "ExceptionTableElement::handler_pc", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementHandlerPcOffset;
1294 @HotSpotVMField(name = "ExceptionTableElement::catch_type_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int exceptionTableElementCatchTypeIndexOffset;
1295
1296 @HotSpotVMType(name = "LocalVariableTableElement", get = HotSpotVMType.Type.SIZE) @Stable public int localVariableTableElementSize;
1297 @HotSpotVMField(name = "LocalVariableTableElement::start_bci", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementStartBciOffset;
1298 @HotSpotVMField(name = "LocalVariableTableElement::length", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementLengthOffset;
1299 @HotSpotVMField(name = "LocalVariableTableElement::name_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementNameCpIndexOffset;
1300 @HotSpotVMField(name = "LocalVariableTableElement::descriptor_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementDescriptorCpIndexOffset;
1301 @HotSpotVMField(name = "LocalVariableTableElement::signature_cp_index", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementSignatureCpIndexOffset;
1302 @HotSpotVMField(name = "LocalVariableTableElement::slot", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int localVariableTableElementSlotOffset;
1303
1304 @HotSpotVMType(name = "ConstantPool", get = HotSpotVMType.Type.SIZE) @Stable public int constantPoolSize;
1305 @HotSpotVMField(name = "ConstantPool::_tags", type = "Array<u1>*", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolTagsOffset;
1306 @HotSpotVMField(name = "ConstantPool::_pool_holder", type = "InstanceKlass*", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolHolderOffset;
1307 @HotSpotVMField(name = "ConstantPool::_length", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int constantPoolLengthOffset;
1308
1309 @HotSpotVMConstant(name = "ConstantPool::CPCACHE_INDEX_TAG") @Stable public int constantPoolCpCacheIndexTag;
1310
1311 @HotSpotVMConstant(name = "JVM_CONSTANT_Utf8") @Stable public int jvmConstantUtf8;
1312 @HotSpotVMConstant(name = "JVM_CONSTANT_Integer") @Stable public int jvmConstantInteger;
1313 @HotSpotVMConstant(name = "JVM_CONSTANT_Long") @Stable public int jvmConstantLong;
1314 @HotSpotVMConstant(name = "JVM_CONSTANT_Float") @Stable public int jvmConstantFloat;
1315 @HotSpotVMConstant(name = "JVM_CONSTANT_Double") @Stable public int jvmConstantDouble;
1316 @HotSpotVMConstant(name = "JVM_CONSTANT_Class") @Stable public int jvmConstantClass;
1317 @HotSpotVMConstant(name = "JVM_CONSTANT_UnresolvedClass") @Stable public int jvmConstantUnresolvedClass;
1318 @HotSpotVMConstant(name = "JVM_CONSTANT_UnresolvedClassInError") @Stable public int jvmConstantUnresolvedClassInError;
1319 @HotSpotVMConstant(name = "JVM_CONSTANT_String") @Stable public int jvmConstantString;
1320 @HotSpotVMConstant(name = "JVM_CONSTANT_Fieldref") @Stable public int jvmConstantFieldref;
1321 @HotSpotVMConstant(name = "JVM_CONSTANT_Methodref") @Stable public int jvmConstantMethodref;
1322 @HotSpotVMConstant(name = "JVM_CONSTANT_InterfaceMethodref") @Stable public int jvmConstantInterfaceMethodref;
1323 @HotSpotVMConstant(name = "JVM_CONSTANT_NameAndType") @Stable public int jvmConstantNameAndType;
1324 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodHandle") @Stable public int jvmConstantMethodHandle;
1325 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodHandleInError") @Stable public int jvmConstantMethodHandleInError;
1326 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodType") @Stable public int jvmConstantMethodType;
1327 @HotSpotVMConstant(name = "JVM_CONSTANT_MethodTypeInError") @Stable public int jvmConstantMethodTypeInError;
1328 @HotSpotVMConstant(name = "JVM_CONSTANT_InvokeDynamic") @Stable public int jvmConstantInvokeDynamic;
1329
1330 @HotSpotVMConstant(name = "JVM_CONSTANT_ExternalMax") @Stable public int jvmConstantExternalMax;
1331 @HotSpotVMConstant(name = "JVM_CONSTANT_InternalMin") @Stable public int jvmConstantInternalMin;
1332 @HotSpotVMConstant(name = "JVM_CONSTANT_InternalMax") @Stable public int jvmConstantInternalMax;
1333
1334 @HotSpotVMConstant(name = "HeapWordSize") @Stable public int heapWordSize;
1335
1336 @HotSpotVMType(name = "Symbol*", get = HotSpotVMType.Type.SIZE) @Stable public int symbolPointerSize;
1337
1338 @HotSpotVMField(name = "vmSymbols::_symbols[0]", type = "Symbol*", get = HotSpotVMField.Type.ADDRESS) @Stable public long vmSymbolsSymbols;
1339 @HotSpotVMConstant(name = "vmSymbols::FIRST_SID") @Stable public int vmSymbolsFirstSID;
1340 @HotSpotVMConstant(name = "vmSymbols::SID_LIMIT") @Stable public int vmSymbolsSIDLimit;
1341
1342 /**
1343 * Bit pattern that represents a non-oop. Neither the high bits nor the low bits of this value
1344 * are allowed to look like (respectively) the high or low bits of a real oop.
1345 */
1346 @HotSpotVMField(name = "CompilerToVM::Data::Universe_non_oop_bits", type = "void*", get = HotSpotVMField.Type.VALUE) @Stable public long nonOopBits;
1347
1348 @HotSpotVMField(name = "StubRoutines::_verify_oop_count", type = "jint", get = HotSpotVMField.Type.ADDRESS) @Stable public long verifyOopCounterAddress;
1349 @HotSpotVMField(name = "CompilerToVM::Data::Universe_verify_oop_mask", type = "uintptr_t", get = HotSpotVMField.Type.VALUE) @Stable public long verifyOopMask;
1350 @HotSpotVMField(name = "CompilerToVM::Data::Universe_verify_oop_bits", type = "uintptr_t", get = HotSpotVMField.Type.VALUE) @Stable public long verifyOopBits;
1351 @HotSpotVMField(name = "CompilerToVM::Data::Universe_base_vtable_size", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int universeBaseVtableSize;
1352
1353 public final int baseVtableLength() {
1354 return universeBaseVtableSize / vtableEntrySize;
1355 }
1356
1357 @HotSpotVMField(name = "HeapRegion::LogOfHRGrainBytes", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int logOfHRGrainBytes;
1358
1359 @HotSpotVMConstant(name = "CardTableModRefBS::dirty_card") @Stable public byte dirtyCardValue;
1360 @HotSpotVMConstant(name = "G1SATBCardTableModRefBS::g1_young_gen") @Stable public byte g1YoungCardValue;
1361
1362 @HotSpotVMField(name = "CompilerToVM::Data::cardtable_start_address", type = "jbyte*", get = HotSpotVMField.Type.VALUE) @Stable private long cardtableStartAddress;
1363 @HotSpotVMField(name = "CompilerToVM::Data::cardtable_shift", type = "int", get = HotSpotVMField.Type.VALUE) @Stable private int cardtableShift;
1364
1365 public long cardtableStartAddress() {
1366 return cardtableStartAddress;
1367 }
1368
1369 public int cardtableShift() {
1370 return cardtableShift;
1371 }
1372
1373 @HotSpotVMField(name = "os::_polling_page", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long safepointPollingAddress;
1374
1375 // G1 Collector Related Values.
1376
1377 public int g1CardQueueIndexOffset() {
1378 return javaThreadDirtyCardQueueOffset + dirtyCardQueueIndexOffset;
1379 }
1380
1381 public int g1CardQueueBufferOffset() {
1382 return javaThreadDirtyCardQueueOffset + dirtyCardQueueBufferOffset;
1383 }
1384
1385 public int g1SATBQueueMarkingOffset() {
1386 return javaThreadSatbMarkQueueOffset + satbMarkQueueActiveOffset;
1387 }
1388
1389 public int g1SATBQueueIndexOffset() {
1390 return javaThreadSatbMarkQueueOffset + satbMarkQueueIndexOffset;
1391 }
1392
1393 public int g1SATBQueueBufferOffset() {
1394 return javaThreadSatbMarkQueueOffset + satbMarkQueueBufferOffset;
1395 }
1396
1397 @HotSpotVMField(name = "java_lang_Class::_klass_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int klassOffset;
1398 @HotSpotVMField(name = "java_lang_Class::_array_klass_offset", type = "int", get = HotSpotVMField.Type.VALUE) @Stable public int arrayKlassOffset;
1399
1400 @HotSpotVMType(name = "BasicLock", get = HotSpotVMType.Type.SIZE) @Stable public int basicLockSize;
1401 @HotSpotVMField(name = "BasicLock::_displaced_header", type = "markOop", get = HotSpotVMField.Type.OFFSET) @Stable public int basicLockDisplacedHeaderOffset;
1402
1403 @HotSpotVMField(name = "Thread::_allocated_bytes", type = "jlong", get = HotSpotVMField.Type.OFFSET) @Stable public int threadAllocatedBytesOffset;
1404
1405 @HotSpotVMFlag(name = "TLABWasteIncrement") @Stable public int tlabRefillWasteIncrement;
1406
1407 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_start", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferStartOffset;
1408 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_end", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferEndOffset;
1409 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_top", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferTopOffset;
1410 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_pf_top", type = "HeapWord*", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferPfTopOffset;
1411 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_slow_allocations", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferSlowAllocationsOffset;
1412 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_fast_refill_waste", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferFastRefillWasteOffset;
1413 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_number_of_refills", type = "unsigned", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferNumberOfRefillsOffset;
1414 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_refill_waste_limit", type = "size_t", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferRefillWasteLimitOffset;
1415 @HotSpotVMField(name = "ThreadLocalAllocBuffer::_desired_size", type = "size_t", get = HotSpotVMField.Type.OFFSET) @Stable private int threadLocalAllocBufferDesiredSizeOffset;
1416
1417 public int tlabSlowAllocationsOffset() {
1418 return threadTlabOffset + threadLocalAllocBufferSlowAllocationsOffset;
1419 }
1420
1421 public int tlabFastRefillWasteOffset() {
1422 return threadTlabOffset + threadLocalAllocBufferFastRefillWasteOffset;
1423 }
1424
1425 public int tlabNumberOfRefillsOffset() {
1426 return threadTlabOffset + threadLocalAllocBufferNumberOfRefillsOffset;
1427 }
1428
1429 public int tlabRefillWasteLimitOffset() {
1430 return threadTlabOffset + threadLocalAllocBufferRefillWasteLimitOffset;
1431 }
1432
1433 public int threadTlabSizeOffset() {
1434 return threadTlabOffset + threadLocalAllocBufferDesiredSizeOffset;
1435 }
1436
1437 public int threadTlabStartOffset() {
1438 return threadTlabOffset + threadLocalAllocBufferStartOffset;
1439 }
1440
1441 public int threadTlabEndOffset() {
1442 return threadTlabOffset + threadLocalAllocBufferEndOffset;
1443 }
1444
1445 public int threadTlabTopOffset() {
1446 return threadTlabOffset + threadLocalAllocBufferTopOffset;
1447 }
1448
1449 public int threadTlabPfTopOffset() {
1450 return threadTlabOffset + threadLocalAllocBufferPfTopOffset;
1451 }
1452
1453 @HotSpotVMField(name = "CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve", type = "size_t", get = HotSpotVMField.Type.VALUE) @Stable public int tlabAlignmentReserve;
1454
1455 @HotSpotVMFlag(name = "TLABStats") @Stable public boolean tlabStats;
1456
1457 // FIXME This is only temporary until the GC code is changed.
1458 @HotSpotVMField(name = "CompilerToVM::Data::_supports_inline_contig_alloc", type = "bool", get = HotSpotVMField.Type.VALUE) @Stable public boolean inlineContiguousAllocationSupported;
1459 @HotSpotVMField(name = "CompilerToVM::Data::_heap_end_addr", type = "HeapWord**", get = HotSpotVMField.Type.VALUE) @Stable public long heapEndAddress;
1460 @HotSpotVMField(name = "CompilerToVM::Data::_heap_top_addr", type = "HeapWord**", get = HotSpotVMField.Type.VALUE) @Stable public long heapTopAddress;
1461
1462 /**
1463 * The DataLayout header size is the same as the cell size.
1464 */
1465 @HotSpotVMConstant(name = "DataLayout::cell_size") @Stable public int dataLayoutHeaderSize;
1466 @HotSpotVMField(name = "DataLayout::_header._struct._tag", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutTagOffset;
1467 @HotSpotVMField(name = "DataLayout::_header._struct._flags", type = "u1", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutFlagsOffset;
1468 @HotSpotVMField(name = "DataLayout::_header._struct._bci", type = "u2", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutBCIOffset;
1469 @HotSpotVMField(name = "DataLayout::_cells[0]", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int dataLayoutCellsOffset;
1470 @HotSpotVMConstant(name = "DataLayout::cell_size") @Stable public int dataLayoutCellSize;
1471
1472 @HotSpotVMConstant(name = "DataLayout::no_tag") @Stable public int dataLayoutNoTag;
1473 @HotSpotVMConstant(name = "DataLayout::bit_data_tag") @Stable public int dataLayoutBitDataTag;
1474 @HotSpotVMConstant(name = "DataLayout::counter_data_tag") @Stable public int dataLayoutCounterDataTag;
1475 @HotSpotVMConstant(name = "DataLayout::jump_data_tag") @Stable public int dataLayoutJumpDataTag;
1476 @HotSpotVMConstant(name = "DataLayout::receiver_type_data_tag") @Stable public int dataLayoutReceiverTypeDataTag;
1477 @HotSpotVMConstant(name = "DataLayout::virtual_call_data_tag") @Stable public int dataLayoutVirtualCallDataTag;
1478 @HotSpotVMConstant(name = "DataLayout::ret_data_tag") @Stable public int dataLayoutRetDataTag;
1479 @HotSpotVMConstant(name = "DataLayout::branch_data_tag") @Stable public int dataLayoutBranchDataTag;
1480 @HotSpotVMConstant(name = "DataLayout::multi_branch_data_tag") @Stable public int dataLayoutMultiBranchDataTag;
1481 @HotSpotVMConstant(name = "DataLayout::arg_info_data_tag") @Stable public int dataLayoutArgInfoDataTag;
1482 @HotSpotVMConstant(name = "DataLayout::call_type_data_tag") @Stable public int dataLayoutCallTypeDataTag;
1483 @HotSpotVMConstant(name = "DataLayout::virtual_call_type_data_tag") @Stable public int dataLayoutVirtualCallTypeDataTag;
1484 @HotSpotVMConstant(name = "DataLayout::parameters_type_data_tag") @Stable public int dataLayoutParametersTypeDataTag;
1485 @HotSpotVMConstant(name = "DataLayout::speculative_trap_data_tag") @Stable public int dataLayoutSpeculativeTrapDataTag;
1486
1487 @HotSpotVMFlag(name = "BciProfileWidth") @Stable public int bciProfileWidth;
1488 @HotSpotVMFlag(name = "TypeProfileWidth") @Stable public int typeProfileWidth;
1489 @HotSpotVMFlag(name = "MethodProfileWidth") @Stable public int methodProfileWidth;
1490
1491 @HotSpotVMField(name = "CompilerToVM::Data::SharedRuntime_ic_miss_stub", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long inlineCacheMissStub;
1492 @HotSpotVMField(name = "CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long handleWrongMethodStub;
1493
1494 @HotSpotVMField(name = "CompilerToVM::Data::SharedRuntime_deopt_blob_unpack", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long handleDeoptStub;
1495 @HotSpotVMField(name = "CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long uncommonTrapStub;
1496
1497 @HotSpotVMField(name = "CodeCache::_low_bound", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long codeCacheLowBound;
1498 @HotSpotVMField(name = "CodeCache::_high_bound", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long codeCacheHighBound;
1499
1500 @HotSpotVMField(name = "StubRoutines::_aescrypt_encryptBlock", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long aescryptEncryptBlockStub;
1501 @HotSpotVMField(name = "StubRoutines::_aescrypt_decryptBlock", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long aescryptDecryptBlockStub;
1502 @HotSpotVMField(name = "StubRoutines::_cipherBlockChaining_encryptAESCrypt", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long cipherBlockChainingEncryptAESCryptStub;
1503 @HotSpotVMField(name = "StubRoutines::_cipherBlockChaining_decryptAESCrypt", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long cipherBlockChainingDecryptAESCryptStub;
1504 @HotSpotVMField(name = "StubRoutines::_updateBytesCRC32", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long updateBytesCRC32Stub;
1505 @HotSpotVMField(name = "StubRoutines::_crc_table_adr", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long crcTableAddress;
1506
1507 @HotSpotVMField(name = "StubRoutines::_throw_delayed_StackOverflowError_entry", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long throwDelayedStackOverflowErrorEntry;
1508
1509 @HotSpotVMField(name = "StubRoutines::_jbyte_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteArraycopy;
1510 @HotSpotVMField(name = "StubRoutines::_jshort_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortArraycopy;
1511 @HotSpotVMField(name = "StubRoutines::_jint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintArraycopy;
1512 @HotSpotVMField(name = "StubRoutines::_jlong_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongArraycopy;
1513 @HotSpotVMField(name = "StubRoutines::_oop_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopArraycopy;
1514 @HotSpotVMField(name = "StubRoutines::_oop_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopArraycopyUninit;
1515 @HotSpotVMField(name = "StubRoutines::_jbyte_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteDisjointArraycopy;
1516 @HotSpotVMField(name = "StubRoutines::_jshort_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortDisjointArraycopy;
1517 @HotSpotVMField(name = "StubRoutines::_jint_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintDisjointArraycopy;
1518 @HotSpotVMField(name = "StubRoutines::_jlong_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongDisjointArraycopy;
1519 @HotSpotVMField(name = "StubRoutines::_oop_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopDisjointArraycopy;
1520 @HotSpotVMField(name = "StubRoutines::_oop_disjoint_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopDisjointArraycopyUninit;
1521 @HotSpotVMField(name = "StubRoutines::_arrayof_jbyte_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteAlignedArraycopy;
1522 @HotSpotVMField(name = "StubRoutines::_arrayof_jshort_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortAlignedArraycopy;
1523 @HotSpotVMField(name = "StubRoutines::_arrayof_jint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintAlignedArraycopy;
1524 @HotSpotVMField(name = "StubRoutines::_arrayof_jlong_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongAlignedArraycopy;
1525 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedArraycopy;
1526 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedArraycopyUninit;
1527 @HotSpotVMField(name = "StubRoutines::_arrayof_jbyte_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jbyteAlignedDisjointArraycopy;
1528 @HotSpotVMField(name = "StubRoutines::_arrayof_jshort_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jshortAlignedDisjointArraycopy;
1529 @HotSpotVMField(name = "StubRoutines::_arrayof_jint_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jintAlignedDisjointArraycopy;
1530 @HotSpotVMField(name = "StubRoutines::_arrayof_jlong_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long jlongAlignedDisjointArraycopy;
1531 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_disjoint_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedDisjointArraycopy;
1532 @HotSpotVMField(name = "StubRoutines::_arrayof_oop_disjoint_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long oopAlignedDisjointArraycopyUninit;
1533 @HotSpotVMField(name = "StubRoutines::_checkcast_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long checkcastArraycopy;
1534 @HotSpotVMField(name = "StubRoutines::_checkcast_arraycopy_uninit", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long checkcastArraycopyUninit;
1535 @HotSpotVMField(name = "StubRoutines::_unsafe_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long unsafeArraycopy;
1536 @HotSpotVMField(name = "StubRoutines::_generic_arraycopy", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long genericArraycopy;
1537
1538 @HotSpotVMAddress(name = "JVMCIRuntime::new_instance") @Stable public long newInstanceAddress;
1539 @HotSpotVMAddress(name = "JVMCIRuntime::new_array") @Stable public long newArrayAddress;
1540 @HotSpotVMAddress(name = "JVMCIRuntime::new_multi_array") @Stable public long newMultiArrayAddress;
1541 @HotSpotVMAddress(name = "JVMCIRuntime::dynamic_new_array") @Stable public long dynamicNewArrayAddress;
1542 @HotSpotVMAddress(name = "JVMCIRuntime::dynamic_new_instance") @Stable public long dynamicNewInstanceAddress;
1543
1544 @HotSpotVMAddress(name = "JVMCIRuntime::thread_is_interrupted") @Stable public long threadIsInterruptedAddress;
1545 @HotSpotVMAddress(name = "JVMCIRuntime::vm_message") @Stable public long vmMessageAddress;
1546 @HotSpotVMAddress(name = "JVMCIRuntime::identity_hash_code") @Stable public long identityHashCodeAddress;
1547 @HotSpotVMAddress(name = "JVMCIRuntime::exception_handler_for_pc") @Stable public long exceptionHandlerForPcAddress;
1548 @HotSpotVMAddress(name = "JVMCIRuntime::monitorenter") @Stable public long monitorenterAddress;
1549 @HotSpotVMAddress(name = "JVMCIRuntime::monitorexit") @Stable public long monitorexitAddress;
1550 @HotSpotVMAddress(name = "JVMCIRuntime::throw_and_post_jvmti_exception") @Stable public long throwAndPostJvmtiExceptionAddress;
1551 @HotSpotVMAddress(name = "JVMCIRuntime::throw_klass_external_name_exception") @Stable public long throwKlassExternalNameExceptionAddress;
1552 @HotSpotVMAddress(name = "JVMCIRuntime::throw_class_cast_exception") @Stable public long throwClassCastExceptionAddress;
1553 @HotSpotVMAddress(name = "JVMCIRuntime::log_primitive") @Stable public long logPrimitiveAddress;
1554 @HotSpotVMAddress(name = "JVMCIRuntime::log_object") @Stable public long logObjectAddress;
1555 @HotSpotVMAddress(name = "JVMCIRuntime::log_printf") @Stable public long logPrintfAddress;
1556 @HotSpotVMAddress(name = "JVMCIRuntime::vm_error") @Stable public long vmErrorAddress;
1557 @HotSpotVMAddress(name = "JVMCIRuntime::load_and_clear_exception") @Stable public long loadAndClearExceptionAddress;
1558 @HotSpotVMAddress(name = "JVMCIRuntime::write_barrier_pre") @Stable public long writeBarrierPreAddress;
1559 @HotSpotVMAddress(name = "JVMCIRuntime::write_barrier_post") @Stable public long writeBarrierPostAddress;
1560 @HotSpotVMAddress(name = "JVMCIRuntime::validate_object") @Stable public long validateObject;
1561
1562 @HotSpotVMAddress(name = "JVMCIRuntime::test_deoptimize_call_int") @Stable public long testDeoptimizeCallInt;
1563
1564 @HotSpotVMAddress(name = "SharedRuntime::register_finalizer") @Stable public long registerFinalizerAddress;
1565 @HotSpotVMAddress(name = "SharedRuntime::exception_handler_for_return_address") @Stable public long exceptionHandlerForReturnAddressAddress;
1566 @HotSpotVMAddress(name = "SharedRuntime::OSR_migration_end") @Stable public long osrMigrationEndAddress;
1567 @HotSpotVMAddress(name = "SharedRuntime::enable_stack_reserved_zone") @Stable public long enableStackReservedZoneAddress;
1568
1569 @HotSpotVMAddress(name = "os::javaTimeMillis") @Stable public long javaTimeMillisAddress;
1570 @HotSpotVMAddress(name = "os::javaTimeNanos") @Stable public long javaTimeNanosAddress;
1571 @HotSpotVMField(name = "CompilerToVM::Data::dsin", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticSinAddress;
1572 @HotSpotVMField(name = "CompilerToVM::Data::dcos", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticCosAddress;
1573 @HotSpotVMField(name = "CompilerToVM::Data::dtan", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticTanAddress;
1574 @HotSpotVMField(name = "CompilerToVM::Data::dexp", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticExpAddress;
1575 @HotSpotVMField(name = "CompilerToVM::Data::dlog", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticLogAddress;
1576 @HotSpotVMField(name = "CompilerToVM::Data::dlog10", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticLog10Address;
1577 @HotSpotVMField(name = "CompilerToVM::Data::dpow", type = "address", get = HotSpotVMField.Type.VALUE) @Stable public long arithmeticPowAddress;
1578
1579 @HotSpotVMFlag(name = "JVMCICounterSize") @Stable public int jvmciCountersSize;
1580
1581 @HotSpotVMAddress(name = "Deoptimization::fetch_unroll_info") @Stable public long deoptimizationFetchUnrollInfo;
1582 @HotSpotVMAddress(name = "Deoptimization::uncommon_trap") @Stable public long deoptimizationUncommonTrap;
1583 @HotSpotVMAddress(name = "Deoptimization::unpack_frames") @Stable public long deoptimizationUnpackFrames;
1584
1585 @HotSpotVMConstant(name = "Deoptimization::Reason_none") @Stable public int deoptReasonNone;
1586 @HotSpotVMConstant(name = "Deoptimization::Reason_null_check") @Stable public int deoptReasonNullCheck;
1587 @HotSpotVMConstant(name = "Deoptimization::Reason_range_check") @Stable public int deoptReasonRangeCheck;
1588 @HotSpotVMConstant(name = "Deoptimization::Reason_class_check") @Stable public int deoptReasonClassCheck;
1589 @HotSpotVMConstant(name = "Deoptimization::Reason_array_check") @Stable public int deoptReasonArrayCheck;
1590 @HotSpotVMConstant(name = "Deoptimization::Reason_unreached0") @Stable public int deoptReasonUnreached0;
1591 @HotSpotVMConstant(name = "Deoptimization::Reason_type_checked_inlining") @Stable public int deoptReasonTypeCheckInlining;
1592 @HotSpotVMConstant(name = "Deoptimization::Reason_optimized_type_check") @Stable public int deoptReasonOptimizedTypeCheck;
1593 @HotSpotVMConstant(name = "Deoptimization::Reason_not_compiled_exception_handler") @Stable public int deoptReasonNotCompiledExceptionHandler;
1594 @HotSpotVMConstant(name = "Deoptimization::Reason_unresolved") @Stable public int deoptReasonUnresolved;
1595 @HotSpotVMConstant(name = "Deoptimization::Reason_jsr_mismatch") @Stable public int deoptReasonJsrMismatch;
1596 @HotSpotVMConstant(name = "Deoptimization::Reason_div0_check") @Stable public int deoptReasonDiv0Check;
1597 @HotSpotVMConstant(name = "Deoptimization::Reason_constraint") @Stable public int deoptReasonConstraint;
1598 @HotSpotVMConstant(name = "Deoptimization::Reason_loop_limit_check") @Stable public int deoptReasonLoopLimitCheck;
1599 @HotSpotVMConstant(name = "Deoptimization::Reason_aliasing") @Stable public int deoptReasonAliasing;
1600 @HotSpotVMConstant(name = "Deoptimization::Reason_transfer_to_interpreter") @Stable public int deoptReasonTransferToInterpreter;
1601 @HotSpotVMConstant(name = "Deoptimization::Reason_LIMIT") @Stable public int deoptReasonOSROffset;
1602
1603 @HotSpotVMConstant(name = "Deoptimization::Action_none") @Stable public int deoptActionNone;
1604 @HotSpotVMConstant(name = "Deoptimization::Action_maybe_recompile") @Stable public int deoptActionMaybeRecompile;
1605 @HotSpotVMConstant(name = "Deoptimization::Action_reinterpret") @Stable public int deoptActionReinterpret;
1606 @HotSpotVMConstant(name = "Deoptimization::Action_make_not_entrant") @Stable public int deoptActionMakeNotEntrant;
1607 @HotSpotVMConstant(name = "Deoptimization::Action_make_not_compilable") @Stable public int deoptActionMakeNotCompilable;
1608
1609 @HotSpotVMConstant(name = "Deoptimization::_action_bits") @Stable public int deoptimizationActionBits;
1610 @HotSpotVMConstant(name = "Deoptimization::_reason_bits") @Stable public int deoptimizationReasonBits;
1611 @HotSpotVMConstant(name = "Deoptimization::_debug_id_bits") @Stable public int deoptimizationDebugIdBits;
1612 @HotSpotVMConstant(name = "Deoptimization::_action_shift") @Stable public int deoptimizationActionShift;
1613 @HotSpotVMConstant(name = "Deoptimization::_reason_shift") @Stable public int deoptimizationReasonShift;
1614 @HotSpotVMConstant(name = "Deoptimization::_debug_id_shift") @Stable public int deoptimizationDebugIdShift;
1615
1616 @HotSpotVMConstant(name = "Deoptimization::Unpack_deopt") @Stable public int deoptimizationUnpackDeopt;
1617 @HotSpotVMConstant(name = "Deoptimization::Unpack_exception") @Stable public int deoptimizationUnpackException;
1618 @HotSpotVMConstant(name = "Deoptimization::Unpack_uncommon_trap") @Stable public int deoptimizationUnpackUncommonTrap;
1619 @HotSpotVMConstant(name = "Deoptimization::Unpack_reexecute") @Stable public int deoptimizationUnpackReexecute;
1620
1621 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_size_of_deoptimized_frame", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockSizeOfDeoptimizedFrameOffset;
1622 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_caller_adjustment", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockCallerAdjustmentOffset;
1623 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_number_of_frames", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockNumberOfFramesOffset;
1624 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_total_frame_sizes", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockTotalFrameSizesOffset;
1625 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_unpack_kind", type = "int", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockUnpackKindOffset;
1626 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_frame_sizes", type = "intptr_t*", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockFrameSizesOffset;
1627 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_frame_pcs", type = "address*", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockFramePcsOffset;
1628 @HotSpotVMField(name = "Deoptimization::UnrollBlock::_initial_info", type = "intptr_t", get = HotSpotVMField.Type.OFFSET) @Stable public int deoptimizationUnrollBlockInitialInfoOffset;
1629
1630 @HotSpotVMConstant(name = "vmIntrinsics::_invokeBasic") @Stable public int vmIntrinsicInvokeBasic;
1631 @HotSpotVMConstant(name = "vmIntrinsics::_linkToVirtual") @Stable public int vmIntrinsicLinkToVirtual;
1632 @HotSpotVMConstant(name = "vmIntrinsics::_linkToStatic") @Stable public int vmIntrinsicLinkToStatic;
1633 @HotSpotVMConstant(name = "vmIntrinsics::_linkToSpecial") @Stable public int vmIntrinsicLinkToSpecial;
1634 @HotSpotVMConstant(name = "vmIntrinsics::_linkToInterface") @Stable public int vmIntrinsicLinkToInterface;
1635
1636 @HotSpotVMConstant(name = "JVMCIEnv::ok") @Stable public int codeInstallResultOk;
1637 @HotSpotVMConstant(name = "JVMCIEnv::dependencies_failed") @Stable public int codeInstallResultDependenciesFailed;
1638 @HotSpotVMConstant(name = "JVMCIEnv::dependencies_invalid") @Stable public int codeInstallResultDependenciesInvalid;
1639 @HotSpotVMConstant(name = "JVMCIEnv::cache_full") @Stable public int codeInstallResultCacheFull;
1640 @HotSpotVMConstant(name = "JVMCIEnv::code_too_large") @Stable public int codeInstallResultCodeTooLarge;
1641
1642 public String getCodeInstallResultDescription(int codeInstallResult) {
1643 if (codeInstallResult == codeInstallResultOk) {
1644 return "ok";
1645 }
1646 if (codeInstallResult == codeInstallResultDependenciesFailed) {
1647 return "dependencies failed";
1648 }
1649 if (codeInstallResult == codeInstallResultDependenciesInvalid) {
1650 return "dependencies invalid";
1651 }
1652 if (codeInstallResult == codeInstallResultCacheFull) {
1653 return "code cache is full";
1654 }
1655 if (codeInstallResult == codeInstallResultCodeTooLarge) {
1656 return "code is too large";
1657 }
1658 assert false : codeInstallResult;
1659 return "unknown";
1660 }
1661
1662 // Checkstyle: stop
1663 @HotSpotVMConstant(name = "CodeInstaller::VERIFIED_ENTRY") @Stable public int MARKID_VERIFIED_ENTRY;
1664 @HotSpotVMConstant(name = "CodeInstaller::UNVERIFIED_ENTRY") @Stable public int MARKID_UNVERIFIED_ENTRY;
1665 @HotSpotVMConstant(name = "CodeInstaller::OSR_ENTRY") @Stable public int MARKID_OSR_ENTRY;
1666 @HotSpotVMConstant(name = "CodeInstaller::EXCEPTION_HANDLER_ENTRY") @Stable public int MARKID_EXCEPTION_HANDLER_ENTRY;
1667 @HotSpotVMConstant(name = "CodeInstaller::DEOPT_HANDLER_ENTRY") @Stable public int MARKID_DEOPT_HANDLER_ENTRY;
1668 @HotSpotVMConstant(name = "CodeInstaller::INVOKEINTERFACE") @Stable public int MARKID_INVOKEINTERFACE;
1669 @HotSpotVMConstant(name = "CodeInstaller::INVOKEVIRTUAL") @Stable public int MARKID_INVOKEVIRTUAL;
1670 @HotSpotVMConstant(name = "CodeInstaller::INVOKESTATIC") @Stable public int MARKID_INVOKESTATIC;
1671 @HotSpotVMConstant(name = "CodeInstaller::INVOKESPECIAL") @Stable public int MARKID_INVOKESPECIAL;
1672 @HotSpotVMConstant(name = "CodeInstaller::INLINE_INVOKE") @Stable public int MARKID_INLINE_INVOKE;
1673 @HotSpotVMConstant(name = "CodeInstaller::POLL_NEAR") @Stable public int MARKID_POLL_NEAR;
1674 @HotSpotVMConstant(name = "CodeInstaller::POLL_RETURN_NEAR") @Stable public int MARKID_POLL_RETURN_NEAR;
1675 @HotSpotVMConstant(name = "CodeInstaller::POLL_FAR") @Stable public int MARKID_POLL_FAR;
1676 @HotSpotVMConstant(name = "CodeInstaller::POLL_RETURN_FAR") @Stable public int MARKID_POLL_RETURN_FAR;
1677 @HotSpotVMConstant(name = "CodeInstaller::CARD_TABLE_SHIFT") @Stable public int MARKID_CARD_TABLE_SHIFT;
1678 @HotSpotVMConstant(name = "CodeInstaller::CARD_TABLE_ADDRESS") @Stable public int MARKID_CARD_TABLE_ADDRESS;
1679 @HotSpotVMConstant(name = "CodeInstaller::HEAP_TOP_ADDRESS") @Stable public int MARKID_HEAP_TOP_ADDRESS;
1680 @HotSpotVMConstant(name = "CodeInstaller::HEAP_END_ADDRESS") @Stable public int MARKID_HEAP_END_ADDRESS;
1681 @HotSpotVMConstant(name = "CodeInstaller::NARROW_KLASS_BASE_ADDRESS") @Stable public int MARKID_NARROW_KLASS_BASE_ADDRESS;
1682 @HotSpotVMConstant(name = "CodeInstaller::CRC_TABLE_ADDRESS") @Stable public int MARKID_CRC_TABLE_ADDRESS;
1683 @HotSpotVMConstant(name = "CodeInstaller::INVOKE_INVALID") @Stable public int MARKID_INVOKE_INVALID;
1684
1685 @HotSpotVMConstant(name = "BitData::exception_seen_flag") @Stable public int bitDataExceptionSeenFlag;
1686 @HotSpotVMConstant(name = "BitData::null_seen_flag") @Stable public int bitDataNullSeenFlag;
1687 @HotSpotVMConstant(name = "CounterData::count_off") @Stable public int methodDataCountOffset;
1688 @HotSpotVMConstant(name = "JumpData::taken_off_set") @Stable public int jumpDataTakenOffset;
1689 @HotSpotVMConstant(name = "JumpData::displacement_off_set") @Stable public int jumpDataDisplacementOffset;
1690 @HotSpotVMConstant(name = "ReceiverTypeData::nonprofiled_count_off_set") @Stable public int receiverTypeDataNonprofiledCountOffset;
1691 @HotSpotVMConstant(name = "ReceiverTypeData::receiver_type_row_cell_count") @Stable public int receiverTypeDataReceiverTypeRowCellCount;
1692 @HotSpotVMConstant(name = "ReceiverTypeData::receiver0_offset") @Stable public int receiverTypeDataReceiver0Offset;
1693 @HotSpotVMConstant(name = "ReceiverTypeData::count0_offset") @Stable public int receiverTypeDataCount0Offset;
1694 @HotSpotVMConstant(name = "BranchData::not_taken_off_set") @Stable public int branchDataNotTakenOffset;
1695 @HotSpotVMConstant(name = "ArrayData::array_len_off_set") @Stable public int arrayDataArrayLenOffset;
1696 @HotSpotVMConstant(name = "ArrayData::array_start_off_set") @Stable public int arrayDataArrayStartOffset;
1697 @HotSpotVMConstant(name = "MultiBranchData::per_case_cell_count") @Stable public int multiBranchDataPerCaseCellCount;
1698
1699 // Checkstyle: resume
1700
1701 private boolean check() {
1702 for (Field f : getClass().getDeclaredFields()) {
1703 int modifiers = f.getModifiers();
1704 if (Modifier.isPublic(modifiers) && !Modifier.isStatic(modifiers)) {
1705 assert Modifier.isFinal(modifiers) || f.getAnnotation(Stable.class) != null : "field should either be final or @Stable: " + f;
1706 }
1707 }
1708
1709 assert codeEntryAlignment > 0 : codeEntryAlignment;
1710 assert (layoutHelperArrayTagObjectValue & (1 << (Integer.SIZE - 1))) != 0 : "object array must have first bit set";
1711 assert (layoutHelperArrayTagTypeValue & (1 << (Integer.SIZE - 1))) != 0 : "type array must have first bit set";
1712
1713 return true;
1714 }
1715
1716 /**
1717 * A compact representation of the different encoding strategies for Objects and metadata.
1718 */
1719 public static class CompressEncoding {
1720 public final long base;
1721 public final int shift;
1722 public final int alignment;
1723
1724 CompressEncoding(long base, int shift, int alignment) {
1725 this.base = base;
1726 this.shift = shift;
1727 this.alignment = alignment;
1728 }
1729
1730 public int compress(long ptr) {
1731 if (ptr == 0L) {
1732 return 0;
1733 } else {
1734 return (int) ((ptr - base) >>> shift);
1735 }
1736 }
1737
1738 public long uncompress(int ptr) {
1739 if (ptr == 0) {
1740 return 0L;
1741 } else {
1742 return ((ptr & 0xFFFFFFFFL) << shift) + base;
1743 }
1744 }
1745
1746 @Override
1747 public String toString() {
1748 return "base: " + base + " shift: " + shift + " alignment: " + alignment;
1749 }
1750
1751 @Override
1752 public int hashCode() {
1753 final int prime = 31;
1754 int result = 1;
1755 result = prime * result + alignment;
1756 result = prime * result + (int) (base ^ (base >>> 32));
1757 result = prime * result + shift;
1758 return result;
1759 }
1760
1761 @Override
1762 public boolean equals(Object obj) {
1763 if (obj instanceof CompressEncoding) {
1764 CompressEncoding other = (CompressEncoding) obj;
1765 return alignment == other.alignment && base == other.base && shift == other.shift;
1766 } else {
1767 return false;
1768 }
1769 }
1770 }
1771
1772 }