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comparison agent/src/share/classes/sun/jvm/hotspot/oops/InstanceKlass.java @ 3962:cb315dc80374

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7092278: "jmap -finalizerinfo" throws "sun.jvm.hotspot.utilities.AssertionFailure: invalid cp index 0 137" Reviewed-by: kvn
author never
date Thu, 29 Sep 2011 09:53:56 -0700
parents 35c656d0b685
children 75c0a73eee98
comparison
equal deleted inserted replaced
3961:a92cdbac8b9e 3962:cb315dc80374
42 } 42 }
43 }); 43 });
44 } 44 }
45 45
46 // field offset constants 46 // field offset constants
47 public static int ACCESS_FLAGS_OFFSET; 47 private static int ACCESS_FLAGS_OFFSET;
48 public static int NAME_INDEX_OFFSET; 48 private static int NAME_INDEX_OFFSET;
49 public static int SIGNATURE_INDEX_OFFSET; 49 private static int SIGNATURE_INDEX_OFFSET;
50 public static int INITVAL_INDEX_OFFSET; 50 private static int INITVAL_INDEX_OFFSET;
51 public static int LOW_OFFSET; 51 private static int LOW_OFFSET;
52 public static int HIGH_OFFSET; 52 private static int HIGH_OFFSET;
53 public static int GENERIC_SIGNATURE_INDEX_OFFSET; 53 private static int GENERIC_SIGNATURE_INDEX_OFFSET;
54 public static int FIELD_SLOTS; 54 private static int FIELD_SLOTS;
55 public static int IMPLEMENTORS_LIMIT; 55 public static int IMPLEMENTORS_LIMIT;
56 56
57 // ClassState constants 57 // ClassState constants
58 private static int CLASS_STATE_UNPARSABLE_BY_GC; 58 private static int CLASS_STATE_UNPARSABLE_BY_GC;
59 private static int CLASS_STATE_ALLOCATED; 59 private static int CLASS_STATE_ALLOCATED;
120 120
121 } 121 }
122 122
123 InstanceKlass(OopHandle handle, ObjectHeap heap) { 123 InstanceKlass(OopHandle handle, ObjectHeap heap) {
124 super(handle, heap); 124 super(handle, heap);
125 if (getJavaFieldsCount() != getAllFieldsCount()) {
126 // Exercise the injected field logic
127 for (int i = getJavaFieldsCount(); i < getAllFieldsCount(); i++) {
128 getFieldName(i);
129 getFieldSignature(i);
130 }
131 }
125 } 132 }
126 133
127 private static OopField arrayKlasses; 134 private static OopField arrayKlasses;
128 private static OopField methods; 135 private static OopField methods;
129 private static OopField methodOrdering; 136 private static OopField methodOrdering;
251 258
252 public short getFieldAccessFlags(int index) { 259 public short getFieldAccessFlags(int index) {
253 return getFields().getShortAt(index * FIELD_SLOTS + ACCESS_FLAGS_OFFSET); 260 return getFields().getShortAt(index * FIELD_SLOTS + ACCESS_FLAGS_OFFSET);
254 } 261 }
255 262
263 public short getFieldNameIndex(int index) {
264 if (index >= getJavaFieldsCount()) throw new IndexOutOfBoundsException("not a Java field;");
265 return getFields().getShortAt(index * FIELD_SLOTS + NAME_INDEX_OFFSET);
266 }
267
256 public Symbol getFieldName(int index) { 268 public Symbol getFieldName(int index) {
257 int nameIndex = getFields().getShortAt(index * FIELD_SLOTS + NAME_INDEX_OFFSET); 269 int nameIndex = getFields().getShortAt(index * FIELD_SLOTS + NAME_INDEX_OFFSET);
258 return getConstants().getSymbolAt(nameIndex); 270 if (index < getJavaFieldsCount()) {
271 return getConstants().getSymbolAt(nameIndex);
272 } else {
273 return vmSymbols.symbolAt(nameIndex);
274 }
275 }
276
277 public short getFieldSignatureIndex(int index) {
278 if (index >= getJavaFieldsCount()) throw new IndexOutOfBoundsException("not a Java field;");
279 return getFields().getShortAt(index * FIELD_SLOTS + SIGNATURE_INDEX_OFFSET);
259 } 280 }
260 281
261 public Symbol getFieldSignature(int index) { 282 public Symbol getFieldSignature(int index) {
262 int signatureIndex = getFields().getShortAt(index * FIELD_SLOTS + SIGNATURE_INDEX_OFFSET); 283 int signatureIndex = getFields().getShortAt(index * FIELD_SLOTS + SIGNATURE_INDEX_OFFSET);
263 return getConstants().getSymbolAt(signatureIndex); 284 if (index < getJavaFieldsCount()) {
285 return getConstants().getSymbolAt(signatureIndex);
286 } else {
287 return vmSymbols.symbolAt(signatureIndex);
288 }
289 }
290
291 public short getFieldGenericSignatureIndex(int index) {
292 return getFields().getShortAt(index * FIELD_SLOTS + GENERIC_SIGNATURE_INDEX_OFFSET);
264 } 293 }
265 294
266 public Symbol getFieldGenericSignature(int index) { 295 public Symbol getFieldGenericSignature(int index) {
267 short genericSignatureIndex = getFields().getShortAt(index * FIELD_SLOTS + GENERIC_SIGNATURE_INDEX_OFFSET); 296 short genericSignatureIndex = getFieldGenericSignatureIndex(index);
268 if (genericSignatureIndex != 0) { 297 if (genericSignatureIndex != 0) {
269 return getConstants().getSymbolAt(genericSignatureIndex); 298 return getConstants().getSymbolAt(genericSignatureIndex);
270 } 299 }
271 return null; 300 return null;
301 }
302
303 public short getFieldInitialValueIndex(int index) {
304 if (index >= getJavaFieldsCount()) throw new IndexOutOfBoundsException("not a Java field;");
305 return getFields().getShortAt(index * FIELD_SLOTS + INITVAL_INDEX_OFFSET);
272 } 306 }
273 307
274 public int getFieldOffset(int index) { 308 public int getFieldOffset(int index) {
275 TypeArray fields = getFields(); 309 TypeArray fields = getFields();
276 return VM.getVM().buildIntFromShorts(fields.getShortAt(index * FIELD_SLOTS + LOW_OFFSET), 310 return VM.getVM().buildIntFromShorts(fields.getShortAt(index * FIELD_SLOTS + LOW_OFFSET),
286 public long nofImplementors() { return nofImplementors.getValue(this); } 320 public long nofImplementors() { return nofImplementors.getValue(this); }
287 public Klass getImplementor() { return (Klass) implementors[0].getValue(this); } 321 public Klass getImplementor() { return (Klass) implementors[0].getValue(this); }
288 public Klass getImplementor(int i) { return (Klass) implementors[i].getValue(this); } 322 public Klass getImplementor(int i) { return (Klass) implementors[i].getValue(this); }
289 public TypeArray getFields() { return (TypeArray) fields.getValue(this); } 323 public TypeArray getFields() { return (TypeArray) fields.getValue(this); }
290 public int getJavaFieldsCount() { return (int) javaFieldsCount.getValue(this); } 324 public int getJavaFieldsCount() { return (int) javaFieldsCount.getValue(this); }
291 public int getAllFieldsCount() { return (int)getFields().getLength(); } 325 public int getAllFieldsCount() { return (int)getFields().getLength() / FIELD_SLOTS; }
292 public ConstantPool getConstants() { return (ConstantPool) constants.getValue(this); } 326 public ConstantPool getConstants() { return (ConstantPool) constants.getValue(this); }
293 public Oop getClassLoader() { return classLoader.getValue(this); } 327 public Oop getClassLoader() { return classLoader.getValue(this); }
294 public Oop getProtectionDomain() { return protectionDomain.getValue(this); } 328 public Oop getProtectionDomain() { return protectionDomain.getValue(this); }
295 public ObjArray getSigners() { return (ObjArray) signers.getValue(this); } 329 public ObjArray getSigners() { return (ObjArray) signers.getValue(this); }
296 public Symbol getSourceFileName() { return getSymbol(sourceFileName); } 330 public Symbol getSourceFileName() { return getSymbol(sourceFileName); }
509 visitor.epilogue(); 543 visitor.epilogue();
510 544
511 } 545 }
512 546
513 void iterateStaticFieldsInternal(OopVisitor visitor) { 547 void iterateStaticFieldsInternal(OopVisitor visitor) {
514 TypeArray fields = getFields();
515 int length = getJavaFieldsCount(); 548 int length = getJavaFieldsCount();
516 for (int index = 0; index < length; index++) { 549 for (int index = 0; index < length; index++) {
517 short accessFlags = getFieldAccessFlags(index); 550 short accessFlags = getFieldAccessFlags(index);
518 FieldType type = new FieldType(getFieldSignature(index)); 551 FieldType type = new FieldType(getFieldSignature(index));
519 AccessFlags access = new AccessFlags(accessFlags); 552 AccessFlags access = new AccessFlags(accessFlags);
539 572
540 public void iterateNonStaticFields(OopVisitor visitor, Oop obj) { 573 public void iterateNonStaticFields(OopVisitor visitor, Oop obj) {
541 if (getSuper() != null) { 574 if (getSuper() != null) {
542 ((InstanceKlass) getSuper()).iterateNonStaticFields(visitor, obj); 575 ((InstanceKlass) getSuper()).iterateNonStaticFields(visitor, obj);
543 } 576 }
544 TypeArray fields = getFields();
545
546 int length = getJavaFieldsCount(); 577 int length = getJavaFieldsCount();
547 for (int index = 0; index < length; index++) { 578 for (int index = 0; index < length; index++) {
548 short accessFlags = getFieldAccessFlags(index); 579 short accessFlags = getFieldAccessFlags(index);
549 FieldType type = new FieldType(getFieldSignature(index)); 580 FieldType type = new FieldType(getFieldSignature(index));
550 AccessFlags access = new AccessFlags(accessFlags); 581 AccessFlags access = new AccessFlags(accessFlags);
554 } 585 }
555 } 586 }
556 587
557 /** Field access by name. */ 588 /** Field access by name. */
558 public Field findLocalField(Symbol name, Symbol sig) { 589 public Field findLocalField(Symbol name, Symbol sig) {
559 TypeArray fields = getFields(); 590 int length = getJavaFieldsCount();
560 int length = (int) fields.getLength();
561 ConstantPool cp = getConstants();
562 for (int i = 0; i < length; i++) { 591 for (int i = 0; i < length; i++) {
563 Symbol f_name = getFieldName(i); 592 Symbol f_name = getFieldName(i);
564 Symbol f_sig = getFieldSignature(i); 593 Symbol f_sig = getFieldSignature(i);
565 if (name.equals(f_name) && sig.equals(f_sig)) { 594 if (name.equals(f_name) && sig.equals(f_sig)) {
566 return newField(i); 595 return newField(i);
646 Return an empty list if there are no fields declared in this class. 675 Return an empty list if there are no fields declared in this class.
647 Only designed for use in a debugging system. */ 676 Only designed for use in a debugging system. */
648 public List getImmediateFields() { 677 public List getImmediateFields() {
649 // A list of Fields for each field declared in this class/interface, 678 // A list of Fields for each field declared in this class/interface,
650 // not including inherited fields. 679 // not including inherited fields.
651 TypeArray fields = getFields();
652
653 int length = getJavaFieldsCount(); 680 int length = getJavaFieldsCount();
654 List immediateFields = new ArrayList(length); 681 List immediateFields = new ArrayList(length);
655 for (int index = 0; index < length; index++) { 682 for (int index = 0; index < length; index++) {
656 immediateFields.add(getFieldByIndex(index)); 683 immediateFields.add(getFieldByIndex(index));
657 } 684 }
837 } 864 }
838 } 865 }
839 866
840 // Creates new field from index in fields TypeArray 867 // Creates new field from index in fields TypeArray
841 private Field newField(int index) { 868 private Field newField(int index) {
842 TypeArray fields = getFields();
843 FieldType type = new FieldType(getFieldSignature(index)); 869 FieldType type = new FieldType(getFieldSignature(index));
844 if (type.isOop()) { 870 if (type.isOop()) {
845 if (VM.getVM().isCompressedOopsEnabled()) { 871 if (VM.getVM().isCompressedOopsEnabled()) {
846 return new NarrowOopField(this, index); 872 return new NarrowOopField(this, index);
847 } else { 873 } else {