Mercurial > hg > graal-jvmci-8
comparison src/share/vm/classfile/classFileParser.cpp @ 2177:3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank
author | coleenp |
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date | Thu, 27 Jan 2011 16:11:27 -0800 |
parents | ef3c5db0b3ae |
children | c5a923563727 |
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2176:27e4ea99855d | 2177:3582bf76420e |
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39 #include "oops/instanceKlass.hpp" | 39 #include "oops/instanceKlass.hpp" |
40 #include "oops/klass.inline.hpp" | 40 #include "oops/klass.inline.hpp" |
41 #include "oops/klassOop.hpp" | 41 #include "oops/klassOop.hpp" |
42 #include "oops/klassVtable.hpp" | 42 #include "oops/klassVtable.hpp" |
43 #include "oops/methodOop.hpp" | 43 #include "oops/methodOop.hpp" |
44 #include "oops/symbolOop.hpp" | 44 #include "oops/symbol.hpp" |
45 #include "prims/jvmtiExport.hpp" | 45 #include "prims/jvmtiExport.hpp" |
46 #include "runtime/javaCalls.hpp" | 46 #include "runtime/javaCalls.hpp" |
47 #include "runtime/perfData.hpp" | 47 #include "runtime/perfData.hpp" |
48 #include "runtime/reflection.hpp" | 48 #include "runtime/reflection.hpp" |
49 #include "runtime/signature.hpp" | 49 #include "runtime/signature.hpp" |
265 utf8_buffer = (u1*) str; | 265 utf8_buffer = (u1*) str; |
266 utf8_length = (int) strlen(str); | 266 utf8_length = (int) strlen(str); |
267 } | 267 } |
268 | 268 |
269 unsigned int hash; | 269 unsigned int hash; |
270 symbolOop result = SymbolTable::lookup_only((char*)utf8_buffer, utf8_length, hash); | 270 Symbol* result = SymbolTable::lookup_only((char*)utf8_buffer, utf8_length, hash); |
271 if (result == NULL) { | 271 if (result == NULL) { |
272 names[names_count] = (char*)utf8_buffer; | 272 names[names_count] = (char*)utf8_buffer; |
273 lengths[names_count] = utf8_length; | 273 lengths[names_count] = utf8_length; |
274 indices[names_count] = index; | 274 indices[names_count] = index; |
275 hashValues[names_count++] = hash; | 275 hashValues[names_count++] = hash; |
276 if (names_count == SymbolTable::symbol_alloc_batch_size) { | 276 if (names_count == SymbolTable::symbol_alloc_batch_size) { |
277 oopFactory::new_symbols(cp, names_count, names, lengths, indices, hashValues, CHECK); | 277 SymbolTable::new_symbols(cp, names_count, names, lengths, indices, hashValues, CHECK); |
278 names_count = 0; | 278 names_count = 0; |
279 } | 279 } |
280 } else { | 280 } else { |
281 cp->symbol_at_put(index, result); | 281 cp->symbol_at_put(index, result); |
282 } | 282 } |
289 } | 289 } |
290 } | 290 } |
291 | 291 |
292 // Allocate the remaining symbols | 292 // Allocate the remaining symbols |
293 if (names_count > 0) { | 293 if (names_count > 0) { |
294 oopFactory::new_symbols(cp, names_count, names, lengths, indices, hashValues, CHECK); | 294 SymbolTable::new_symbols(cp, names_count, names, lengths, indices, hashValues, CHECK); |
295 } | 295 } |
296 | 296 |
297 // Copy _current pointer of local copy back to stream(). | 297 // Copy _current pointer of local copy back to stream(). |
298 #ifdef ASSERT | 298 #ifdef ASSERT |
299 assert(cfs0->current() == old_current, "non-exclusive use of stream()"); | 299 assert(cfs0->current() == old_current, "non-exclusive use of stream()"); |
300 #endif | 300 #endif |
301 cfs0->set_current(cfs1.current()); | 301 cfs0->set_current(cfs1.current()); |
302 } | 302 } |
303 | |
304 // This class unreferences constant pool symbols if an error has occurred | |
305 // while parsing the class before it is assigned into the class. | |
306 // If it gets an error after that it is unloaded and the constant pool will | |
307 // be cleaned up then. | |
308 class ConstantPoolCleaner : public StackObj { | |
309 constantPoolHandle _cphandle; | |
310 bool _in_error; | |
311 public: | |
312 ConstantPoolCleaner(constantPoolHandle cp) : _cphandle(cp), _in_error(true) {} | |
313 ~ConstantPoolCleaner() { | |
314 if (_in_error && _cphandle.not_null()) { | |
315 _cphandle->unreference_symbols(); | |
316 } | |
317 } | |
318 void set_in_error(bool clean) { _in_error = clean; } | |
319 }; | |
303 | 320 |
304 bool inline valid_cp_range(int index, int length) { return (index > 0 && index < length); } | 321 bool inline valid_cp_range(int index, int length) { return (index > 0 && index < length); } |
305 | 322 |
306 constantPoolHandle ClassFileParser::parse_constant_pool(TRAPS) { | 323 constantPoolHandle ClassFileParser::parse_constant_pool(TRAPS) { |
307 ClassFileStream* cfs = stream(); | 324 ClassFileStream* cfs = stream(); |
317 methodOopDesc::IsSafeConc, | 334 methodOopDesc::IsSafeConc, |
318 CHECK_(nullHandle)); | 335 CHECK_(nullHandle)); |
319 constantPoolHandle cp (THREAD, constant_pool); | 336 constantPoolHandle cp (THREAD, constant_pool); |
320 | 337 |
321 cp->set_partially_loaded(); // Enables heap verify to work on partial constantPoolOops | 338 cp->set_partially_loaded(); // Enables heap verify to work on partial constantPoolOops |
339 ConstantPoolCleaner cp_in_error(cp); // set constant pool to be cleaned up. | |
322 | 340 |
323 // parsing constant pool entries | 341 // parsing constant pool entries |
324 parse_constant_pool_entries(cp, length, CHECK_(nullHandle)); | 342 parse_constant_pool_entries(cp, length, CHECK_(nullHandle)); |
325 | 343 |
326 int index = 1; // declared outside of loops for portability | 344 int index = 1; // declared outside of loops for portability |
409 check_property( | 427 check_property( |
410 valid_cp_range(string_index, length) && | 428 valid_cp_range(string_index, length) && |
411 cp->tag_at(string_index).is_utf8(), | 429 cp->tag_at(string_index).is_utf8(), |
412 "Invalid constant pool index %u in class file %s", | 430 "Invalid constant pool index %u in class file %s", |
413 string_index, CHECK_(nullHandle)); | 431 string_index, CHECK_(nullHandle)); |
414 symbolOop sym = cp->symbol_at(string_index); | 432 Symbol* sym = cp->symbol_at(string_index); |
415 cp->unresolved_string_at_put(index, sym); | 433 cp->unresolved_string_at_put(index, sym); |
416 } | 434 } |
417 break; | 435 break; |
418 case JVM_CONSTANT_MethodHandle : | 436 case JVM_CONSTANT_MethodHandle : |
419 { | 437 { |
524 index, CHECK_(nullHandle)); | 542 index, CHECK_(nullHandle)); |
525 } | 543 } |
526 } | 544 } |
527 | 545 |
528 if (!_need_verify) { | 546 if (!_need_verify) { |
547 cp_in_error.set_in_error(false); | |
529 return cp; | 548 return cp; |
530 } | 549 } |
531 | 550 |
532 // second verification pass - checks the strings are of the right format. | 551 // second verification pass - checks the strings are of the right format. |
533 // but not yet to the other entries | 552 // but not yet to the other entries |
534 for (index = 1; index < length; index++) { | 553 for (index = 1; index < length; index++) { |
535 jbyte tag = cp->tag_at(index).value(); | 554 jbyte tag = cp->tag_at(index).value(); |
536 switch (tag) { | 555 switch (tag) { |
537 case JVM_CONSTANT_UnresolvedClass: { | 556 case JVM_CONSTANT_UnresolvedClass: { |
538 symbolHandle class_name(THREAD, cp->unresolved_klass_at(index)); | 557 Symbol* class_name = cp->unresolved_klass_at(index); |
539 // check the name, even if _cp_patches will overwrite it | 558 // check the name, even if _cp_patches will overwrite it |
540 verify_legal_class_name(class_name, CHECK_(nullHandle)); | 559 verify_legal_class_name(class_name, CHECK_(nullHandle)); |
541 break; | 560 break; |
542 } | 561 } |
543 case JVM_CONSTANT_NameAndType: { | 562 case JVM_CONSTANT_NameAndType: { |
544 if (_need_verify && _major_version >= JAVA_7_VERSION) { | 563 if (_need_verify && _major_version >= JAVA_7_VERSION) { |
545 int sig_index = cp->signature_ref_index_at(index); | 564 int sig_index = cp->signature_ref_index_at(index); |
546 int name_index = cp->name_ref_index_at(index); | 565 int name_index = cp->name_ref_index_at(index); |
547 symbolHandle name(THREAD, cp->symbol_at(name_index)); | 566 Symbol* name = cp->symbol_at(name_index); |
548 symbolHandle sig(THREAD, cp->symbol_at(sig_index)); | 567 Symbol* sig = cp->symbol_at(sig_index); |
549 if (sig->byte_at(0) == JVM_SIGNATURE_FUNC) { | 568 if (sig->byte_at(0) == JVM_SIGNATURE_FUNC) { |
550 verify_legal_method_signature(name, sig, CHECK_(nullHandle)); | 569 verify_legal_method_signature(name, sig, CHECK_(nullHandle)); |
551 } else { | 570 } else { |
552 verify_legal_field_signature(name, sig, CHECK_(nullHandle)); | 571 verify_legal_field_signature(name, sig, CHECK_(nullHandle)); |
553 } | 572 } |
560 int name_and_type_ref_index = cp->name_and_type_ref_index_at(index); | 579 int name_and_type_ref_index = cp->name_and_type_ref_index_at(index); |
561 // already verified to be utf8 | 580 // already verified to be utf8 |
562 int name_ref_index = cp->name_ref_index_at(name_and_type_ref_index); | 581 int name_ref_index = cp->name_ref_index_at(name_and_type_ref_index); |
563 // already verified to be utf8 | 582 // already verified to be utf8 |
564 int signature_ref_index = cp->signature_ref_index_at(name_and_type_ref_index); | 583 int signature_ref_index = cp->signature_ref_index_at(name_and_type_ref_index); |
565 symbolHandle name(THREAD, cp->symbol_at(name_ref_index)); | 584 Symbol* name = cp->symbol_at(name_ref_index); |
566 symbolHandle signature(THREAD, cp->symbol_at(signature_ref_index)); | 585 Symbol* signature = cp->symbol_at(signature_ref_index); |
567 if (tag == JVM_CONSTANT_Fieldref) { | 586 if (tag == JVM_CONSTANT_Fieldref) { |
568 verify_legal_field_name(name, CHECK_(nullHandle)); | 587 verify_legal_field_name(name, CHECK_(nullHandle)); |
569 if (_need_verify && _major_version >= JAVA_7_VERSION) { | 588 if (_need_verify && _major_version >= JAVA_7_VERSION) { |
570 // Signature is verified above, when iterating NameAndType_info. | 589 // Signature is verified above, when iterating NameAndType_info. |
571 // Need only to be sure it's the right type. | 590 // Need only to be sure it's the right type. |
588 } else { | 607 } else { |
589 verify_legal_method_signature(name, signature, CHECK_(nullHandle)); | 608 verify_legal_method_signature(name, signature, CHECK_(nullHandle)); |
590 } | 609 } |
591 if (tag == JVM_CONSTANT_Methodref) { | 610 if (tag == JVM_CONSTANT_Methodref) { |
592 // 4509014: If a class method name begins with '<', it must be "<init>". | 611 // 4509014: If a class method name begins with '<', it must be "<init>". |
593 assert(!name.is_null(), "method name in constant pool is null"); | 612 assert(name != NULL, "method name in constant pool is null"); |
594 unsigned int name_len = name->utf8_length(); | 613 unsigned int name_len = name->utf8_length(); |
595 assert(name_len > 0, "bad method name"); // already verified as legal name | 614 assert(name_len > 0, "bad method name"); // already verified as legal name |
596 if (name->byte_at(0) == '<') { | 615 if (name->byte_at(0) == '<') { |
597 if (name() != vmSymbols::object_initializer_name()) { | 616 if (name != vmSymbols::object_initializer_name()) { |
598 classfile_parse_error( | 617 classfile_parse_error( |
599 "Bad method name at constant pool index %u in class file %s", | 618 "Bad method name at constant pool index %u in class file %s", |
600 name_ref_index, CHECK_(nullHandle)); | 619 name_ref_index, CHECK_(nullHandle)); |
601 } | 620 } |
602 } | 621 } |
613 case JVM_REF_invokeSpecial: | 632 case JVM_REF_invokeSpecial: |
614 case JVM_REF_newInvokeSpecial: | 633 case JVM_REF_newInvokeSpecial: |
615 { | 634 { |
616 int name_and_type_ref_index = cp->name_and_type_ref_index_at(ref_index); | 635 int name_and_type_ref_index = cp->name_and_type_ref_index_at(ref_index); |
617 int name_ref_index = cp->name_ref_index_at(name_and_type_ref_index); | 636 int name_ref_index = cp->name_ref_index_at(name_and_type_ref_index); |
618 symbolHandle name(THREAD, cp->symbol_at(name_ref_index)); | 637 Symbol* name = cp->symbol_at(name_ref_index); |
619 if (ref_kind == JVM_REF_newInvokeSpecial) { | 638 if (ref_kind == JVM_REF_newInvokeSpecial) { |
620 if (name() != vmSymbols::object_initializer_name()) { | 639 if (name != vmSymbols::object_initializer_name()) { |
621 classfile_parse_error( | 640 classfile_parse_error( |
622 "Bad constructor name at constant pool index %u in class file %s", | 641 "Bad constructor name at constant pool index %u in class file %s", |
623 name_ref_index, CHECK_(nullHandle)); | 642 name_ref_index, CHECK_(nullHandle)); |
624 } | 643 } |
625 } else { | 644 } else { |
626 if (name() == vmSymbols::object_initializer_name()) { | 645 if (name == vmSymbols::object_initializer_name()) { |
627 classfile_parse_error( | 646 classfile_parse_error( |
628 "Bad method name at constant pool index %u in class file %s", | 647 "Bad method name at constant pool index %u in class file %s", |
629 name_ref_index, CHECK_(nullHandle)); | 648 name_ref_index, CHECK_(nullHandle)); |
630 } | 649 } |
631 } | 650 } |
634 // Other ref_kinds are already fully checked in previous pass. | 653 // Other ref_kinds are already fully checked in previous pass. |
635 } | 654 } |
636 break; | 655 break; |
637 } | 656 } |
638 case JVM_CONSTANT_MethodType: { | 657 case JVM_CONSTANT_MethodType: { |
639 symbolHandle no_name = vmSymbolHandles::type_name(); // place holder | 658 Symbol* no_name = vmSymbols::type_name(); // place holder |
640 symbolHandle signature(THREAD, cp->method_type_signature_at(index)); | 659 Symbol* signature = cp->method_type_signature_at(index); |
641 verify_legal_method_signature(no_name, signature, CHECK_(nullHandle)); | 660 verify_legal_method_signature(no_name, signature, CHECK_(nullHandle)); |
642 break; | 661 break; |
643 } | 662 } |
663 case JVM_CONSTANT_Utf8: { | |
664 assert(cp->symbol_at(index)->refcount() != 0, "count corrupted"); | |
665 } | |
644 } // end of switch | 666 } // end of switch |
645 } // end of for | 667 } // end of for |
646 | 668 |
669 cp_in_error.set_in_error(false); | |
647 return cp; | 670 return cp; |
648 } | 671 } |
649 | 672 |
650 | 673 |
651 void ClassFileParser::patch_constant_pool(constantPoolHandle cp, int index, Handle patch, TRAPS) { | 674 void ClassFileParser::patch_constant_pool(constantPoolHandle cp, int index, Handle patch, TRAPS) { |
663 cp->klass_at_put(index, java_lang_Class::as_klassOop(patch())); | 686 cp->klass_at_put(index, java_lang_Class::as_klassOop(patch())); |
664 } else { | 687 } else { |
665 guarantee_property(java_lang_String::is_instance(patch()), | 688 guarantee_property(java_lang_String::is_instance(patch()), |
666 "Illegal class patch at %d in class file %s", | 689 "Illegal class patch at %d in class file %s", |
667 index, CHECK); | 690 index, CHECK); |
668 symbolHandle name = java_lang_String::as_symbol(patch(), CHECK); | 691 Symbol* name = java_lang_String::as_symbol(patch(), CHECK); |
669 cp->unresolved_klass_at_put(index, name()); | 692 cp->unresolved_klass_at_put(index, name); |
670 } | 693 } |
671 break; | 694 break; |
672 | 695 |
673 case JVM_CONSTANT_UnresolvedString : | 696 case JVM_CONSTANT_UnresolvedString : |
674 // Patching a string means pre-resolving it. | 697 // Patching a string means pre-resolving it. |
715 | 738 |
716 | 739 |
717 | 740 |
718 class NameSigHash: public ResourceObj { | 741 class NameSigHash: public ResourceObj { |
719 public: | 742 public: |
720 symbolOop _name; // name | 743 Symbol* _name; // name |
721 symbolOop _sig; // signature | 744 Symbol* _sig; // signature |
722 NameSigHash* _next; // Next entry in hash table | 745 NameSigHash* _next; // Next entry in hash table |
723 }; | 746 }; |
724 | 747 |
725 | 748 |
726 #define HASH_ROW_SIZE 256 | 749 #define HASH_ROW_SIZE 256 |
727 | 750 |
728 unsigned int hash(symbolOop name, symbolOop sig) { | 751 unsigned int hash(Symbol* name, Symbol* sig) { |
729 unsigned int raw_hash = 0; | 752 unsigned int raw_hash = 0; |
730 raw_hash += ((unsigned int)(uintptr_t)name) >> (LogHeapWordSize + 2); | 753 raw_hash += ((unsigned int)(uintptr_t)name) >> (LogHeapWordSize + 2); |
731 raw_hash += ((unsigned int)(uintptr_t)sig) >> LogHeapWordSize; | 754 raw_hash += ((unsigned int)(uintptr_t)sig) >> LogHeapWordSize; |
732 | 755 |
733 return (raw_hash + (unsigned int)(uintptr_t)name) % HASH_ROW_SIZE; | 756 return (raw_hash + (unsigned int)(uintptr_t)name) % HASH_ROW_SIZE; |
740 | 763 |
741 // Return false if the name/sig combination is found in table. | 764 // Return false if the name/sig combination is found in table. |
742 // Return true if no duplicate is found. And name/sig is added as a new entry in table. | 765 // Return true if no duplicate is found. And name/sig is added as a new entry in table. |
743 // The old format checker uses heap sort to find duplicates. | 766 // The old format checker uses heap sort to find duplicates. |
744 // NOTE: caller should guarantee that GC doesn't happen during the life cycle | 767 // NOTE: caller should guarantee that GC doesn't happen during the life cycle |
745 // of table since we don't expect symbolOop's to move. | 768 // of table since we don't expect Symbol*'s to move. |
746 bool put_after_lookup(symbolOop name, symbolOop sig, NameSigHash** table) { | 769 bool put_after_lookup(Symbol* name, Symbol* sig, NameSigHash** table) { |
747 assert(name != NULL, "name in constant pool is NULL"); | 770 assert(name != NULL, "name in constant pool is NULL"); |
748 | 771 |
749 // First lookup for duplicates | 772 // First lookup for duplicates |
750 int index = hash(name, sig); | 773 int index = hash(name, sig); |
751 NameSigHash* entry = table[index]; | 774 NameSigHash* entry = table[index]; |
771 | 794 |
772 objArrayHandle ClassFileParser::parse_interfaces(constantPoolHandle cp, | 795 objArrayHandle ClassFileParser::parse_interfaces(constantPoolHandle cp, |
773 int length, | 796 int length, |
774 Handle class_loader, | 797 Handle class_loader, |
775 Handle protection_domain, | 798 Handle protection_domain, |
776 symbolHandle class_name, | 799 Symbol* class_name, |
777 TRAPS) { | 800 TRAPS) { |
778 ClassFileStream* cfs = stream(); | 801 ClassFileStream* cfs = stream(); |
779 assert(length > 0, "only called for length>0"); | 802 assert(length > 0, "only called for length>0"); |
780 objArrayHandle nullHandle; | 803 objArrayHandle nullHandle; |
781 objArrayOop interface_oop = oopFactory::new_system_objArray(length, CHECK_(nullHandle)); | 804 objArrayOop interface_oop = oopFactory::new_system_objArray(length, CHECK_(nullHandle)); |
791 "Interface name has bad constant pool index %u in class file %s", | 814 "Interface name has bad constant pool index %u in class file %s", |
792 interface_index, CHECK_(nullHandle)); | 815 interface_index, CHECK_(nullHandle)); |
793 if (cp->tag_at(interface_index).is_klass()) { | 816 if (cp->tag_at(interface_index).is_klass()) { |
794 interf = KlassHandle(THREAD, cp->resolved_klass_at(interface_index)); | 817 interf = KlassHandle(THREAD, cp->resolved_klass_at(interface_index)); |
795 } else { | 818 } else { |
796 symbolHandle unresolved_klass (THREAD, cp->klass_name_at(interface_index)); | 819 Symbol* unresolved_klass = cp->klass_name_at(interface_index); |
797 | 820 |
798 // Don't need to check legal name because it's checked when parsing constant pool. | 821 // Don't need to check legal name because it's checked when parsing constant pool. |
799 // But need to make sure it's not an array type. | 822 // But need to make sure it's not an array type. |
800 guarantee_property(unresolved_klass->byte_at(0) != JVM_SIGNATURE_ARRAY, | 823 guarantee_property(unresolved_klass->byte_at(0) != JVM_SIGNATURE_ARRAY, |
801 "Bad interface name in class file %s", CHECK_(nullHandle)); | 824 "Bad interface name in class file %s", CHECK_(nullHandle)); |
828 bool dup = false; | 851 bool dup = false; |
829 { | 852 { |
830 debug_only(No_Safepoint_Verifier nsv;) | 853 debug_only(No_Safepoint_Verifier nsv;) |
831 for (index = 0; index < length; index++) { | 854 for (index = 0; index < length; index++) { |
832 klassOop k = (klassOop)interfaces->obj_at(index); | 855 klassOop k = (klassOop)interfaces->obj_at(index); |
833 symbolOop name = instanceKlass::cast(k)->name(); | 856 Symbol* name = instanceKlass::cast(k)->name(); |
834 // If no duplicates, add (name, NULL) in hashtable interface_names. | 857 // If no duplicates, add (name, NULL) in hashtable interface_names. |
835 if (!put_after_lookup(name, NULL, interface_names)) { | 858 if (!put_after_lookup(name, NULL, interface_names)) { |
836 dup = true; | 859 dup = true; |
837 break; | 860 break; |
838 } | 861 } |
906 check_property(valid_cp_range(attribute_name_index, cp->length()) && | 929 check_property(valid_cp_range(attribute_name_index, cp->length()) && |
907 cp->tag_at(attribute_name_index).is_utf8(), | 930 cp->tag_at(attribute_name_index).is_utf8(), |
908 "Invalid field attribute index %u in class file %s", | 931 "Invalid field attribute index %u in class file %s", |
909 attribute_name_index, | 932 attribute_name_index, |
910 CHECK); | 933 CHECK); |
911 symbolOop attribute_name = cp->symbol_at(attribute_name_index); | 934 Symbol* attribute_name = cp->symbol_at(attribute_name_index); |
912 if (is_static && attribute_name == vmSymbols::tag_constant_value()) { | 935 if (is_static && attribute_name == vmSymbols::tag_constant_value()) { |
913 // ignore if non-static | 936 // ignore if non-static |
914 if (constantvalue_index != 0) { | 937 if (constantvalue_index != 0) { |
915 classfile_parse_error("Duplicate ConstantValue attribute in class file %s", CHECK); | 938 classfile_parse_error("Duplicate ConstantValue attribute in class file %s", CHECK); |
916 } | 939 } |
1029 int cp_size = cp->length(); | 1052 int cp_size = cp->length(); |
1030 check_property( | 1053 check_property( |
1031 valid_cp_range(name_index, cp_size) && cp->tag_at(name_index).is_utf8(), | 1054 valid_cp_range(name_index, cp_size) && cp->tag_at(name_index).is_utf8(), |
1032 "Invalid constant pool index %u for field name in class file %s", | 1055 "Invalid constant pool index %u for field name in class file %s", |
1033 name_index, CHECK_(nullHandle)); | 1056 name_index, CHECK_(nullHandle)); |
1034 symbolHandle name(THREAD, cp->symbol_at(name_index)); | 1057 Symbol* name = cp->symbol_at(name_index); |
1035 verify_legal_field_name(name, CHECK_(nullHandle)); | 1058 verify_legal_field_name(name, CHECK_(nullHandle)); |
1036 | 1059 |
1037 u2 signature_index = cfs->get_u2_fast(); | 1060 u2 signature_index = cfs->get_u2_fast(); |
1038 check_property( | 1061 check_property( |
1039 valid_cp_range(signature_index, cp_size) && | 1062 valid_cp_range(signature_index, cp_size) && |
1040 cp->tag_at(signature_index).is_utf8(), | 1063 cp->tag_at(signature_index).is_utf8(), |
1041 "Invalid constant pool index %u for field signature in class file %s", | 1064 "Invalid constant pool index %u for field signature in class file %s", |
1042 signature_index, CHECK_(nullHandle)); | 1065 signature_index, CHECK_(nullHandle)); |
1043 symbolHandle sig(THREAD, cp->symbol_at(signature_index)); | 1066 Symbol* sig = cp->symbol_at(signature_index); |
1044 verify_legal_field_signature(name, sig, CHECK_(nullHandle)); | 1067 verify_legal_field_signature(name, sig, CHECK_(nullHandle)); |
1045 | 1068 |
1046 u2 constantvalue_index = 0; | 1069 u2 constantvalue_index = 0; |
1047 bool is_synthetic = false; | 1070 bool is_synthetic = false; |
1048 u2 generic_signature_index = 0; | 1071 u2 generic_signature_index = 0; |
1164 bool dup = false; | 1187 bool dup = false; |
1165 { | 1188 { |
1166 debug_only(No_Safepoint_Verifier nsv;) | 1189 debug_only(No_Safepoint_Verifier nsv;) |
1167 for (int i = 0; i < length*instanceKlass::next_offset; i += instanceKlass::next_offset) { | 1190 for (int i = 0; i < length*instanceKlass::next_offset; i += instanceKlass::next_offset) { |
1168 int name_index = fields->ushort_at(i + instanceKlass::name_index_offset); | 1191 int name_index = fields->ushort_at(i + instanceKlass::name_index_offset); |
1169 symbolOop name = cp->symbol_at(name_index); | 1192 Symbol* name = cp->symbol_at(name_index); |
1170 int sig_index = fields->ushort_at(i + instanceKlass::signature_index_offset); | 1193 int sig_index = fields->ushort_at(i + instanceKlass::signature_index_offset); |
1171 symbolOop sig = cp->symbol_at(sig_index); | 1194 Symbol* sig = cp->symbol_at(sig_index); |
1172 // If no duplicates, add name/signature in hashtable names_and_sigs. | 1195 // If no duplicates, add name/signature in hashtable names_and_sigs. |
1173 if (!put_after_lookup(name, sig, names_and_sigs)) { | 1196 if (!put_after_lookup(name, sig, names_and_sigs)) { |
1174 dup = true; | 1197 dup = true; |
1175 break; | 1198 break; |
1176 } | 1199 } |
1420 valid_cp_range(descriptor_index, cp_size) && | 1443 valid_cp_range(descriptor_index, cp_size) && |
1421 cp->tag_at(descriptor_index).is_utf8(), | 1444 cp->tag_at(descriptor_index).is_utf8(), |
1422 "Signature index %u in %s has bad constant type in class file %s", | 1445 "Signature index %u in %s has bad constant type in class file %s", |
1423 descriptor_index, tbl_name, CHECK_NULL); | 1446 descriptor_index, tbl_name, CHECK_NULL); |
1424 | 1447 |
1425 symbolHandle name(THREAD, cp->symbol_at(name_index)); | 1448 Symbol* name = cp->symbol_at(name_index); |
1426 symbolHandle sig(THREAD, cp->symbol_at(descriptor_index)); | 1449 Symbol* sig = cp->symbol_at(descriptor_index); |
1427 verify_legal_field_name(name, CHECK_NULL); | 1450 verify_legal_field_name(name, CHECK_NULL); |
1428 u2 extra_slot = 0; | 1451 u2 extra_slot = 0; |
1429 if (!isLVTT) { | 1452 if (!isLVTT) { |
1430 verify_legal_field_signature(name, sig, CHECK_NULL); | 1453 verify_legal_field_signature(name, sig, CHECK_NULL); |
1431 | 1454 |
1432 // 4894874: check special cases for double and long local variables | 1455 // 4894874: check special cases for double and long local variables |
1433 if (sig() == vmSymbols::type_signature(T_DOUBLE) || | 1456 if (sig == vmSymbols::type_signature(T_DOUBLE) || |
1434 sig() == vmSymbols::type_signature(T_LONG)) { | 1457 sig == vmSymbols::type_signature(T_LONG)) { |
1435 extra_slot = 1; | 1458 extra_slot = 1; |
1436 } | 1459 } |
1437 } | 1460 } |
1438 guarantee_property((index + extra_slot) < max_locals, | 1461 guarantee_property((index + extra_slot) < max_locals, |
1439 "Invalid index %u in %s in class file %s", | 1462 "Invalid index %u in %s in class file %s", |
1537 } | 1560 } |
1538 return checked_exceptions_start; | 1561 return checked_exceptions_start; |
1539 } | 1562 } |
1540 | 1563 |
1541 void ClassFileParser::throwIllegalSignature( | 1564 void ClassFileParser::throwIllegalSignature( |
1542 const char* type, symbolHandle name, symbolHandle sig, TRAPS) { | 1565 const char* type, Symbol* name, Symbol* sig, TRAPS) { |
1543 ResourceMark rm(THREAD); | 1566 ResourceMark rm(THREAD); |
1544 Exceptions::fthrow(THREAD_AND_LOCATION, | 1567 Exceptions::fthrow(THREAD_AND_LOCATION, |
1545 vmSymbols::java_lang_ClassFormatError(), | 1568 vmSymbols::java_lang_ClassFormatError(), |
1546 "%s \"%s\" in class %s has illegal signature \"%s\"", type, | 1569 "%s \"%s\" in class %s has illegal signature \"%s\"", type, |
1547 name->as_C_string(), _class_name->as_C_string(), sig->as_C_string()); | 1570 name->as_C_string(), _class_name->as_C_string(), sig->as_C_string()); |
1578 check_property( | 1601 check_property( |
1579 valid_cp_range(name_index, cp_size) && | 1602 valid_cp_range(name_index, cp_size) && |
1580 cp->tag_at(name_index).is_utf8(), | 1603 cp->tag_at(name_index).is_utf8(), |
1581 "Illegal constant pool index %u for method name in class file %s", | 1604 "Illegal constant pool index %u for method name in class file %s", |
1582 name_index, CHECK_(nullHandle)); | 1605 name_index, CHECK_(nullHandle)); |
1583 symbolHandle name(THREAD, cp->symbol_at(name_index)); | 1606 Symbol* name = cp->symbol_at(name_index); |
1584 verify_legal_method_name(name, CHECK_(nullHandle)); | 1607 verify_legal_method_name(name, CHECK_(nullHandle)); |
1585 | 1608 |
1586 u2 signature_index = cfs->get_u2_fast(); | 1609 u2 signature_index = cfs->get_u2_fast(); |
1587 guarantee_property( | 1610 guarantee_property( |
1588 valid_cp_range(signature_index, cp_size) && | 1611 valid_cp_range(signature_index, cp_size) && |
1589 cp->tag_at(signature_index).is_utf8(), | 1612 cp->tag_at(signature_index).is_utf8(), |
1590 "Illegal constant pool index %u for method signature in class file %s", | 1613 "Illegal constant pool index %u for method signature in class file %s", |
1591 signature_index, CHECK_(nullHandle)); | 1614 signature_index, CHECK_(nullHandle)); |
1592 symbolHandle signature(THREAD, cp->symbol_at(signature_index)); | 1615 Symbol* signature = cp->symbol_at(signature_index); |
1593 | 1616 |
1594 AccessFlags access_flags; | 1617 AccessFlags access_flags; |
1595 if (name == vmSymbols::class_initializer_name()) { | 1618 if (name == vmSymbols::class_initializer_name()) { |
1596 // We ignore the access flags for a class initializer. (JVM Spec. p. 116) | 1619 // We ignore the access flags for a class initializer. (JVM Spec. p. 116) |
1597 flags = JVM_ACC_STATIC; | 1620 flags = JVM_ACC_STATIC; |
1658 valid_cp_range(method_attribute_name_index, cp_size) && | 1681 valid_cp_range(method_attribute_name_index, cp_size) && |
1659 cp->tag_at(method_attribute_name_index).is_utf8(), | 1682 cp->tag_at(method_attribute_name_index).is_utf8(), |
1660 "Invalid method attribute name index %u in class file %s", | 1683 "Invalid method attribute name index %u in class file %s", |
1661 method_attribute_name_index, CHECK_(nullHandle)); | 1684 method_attribute_name_index, CHECK_(nullHandle)); |
1662 | 1685 |
1663 symbolOop method_attribute_name = cp->symbol_at(method_attribute_name_index); | 1686 Symbol* method_attribute_name = cp->symbol_at(method_attribute_name_index); |
1664 if (method_attribute_name == vmSymbols::tag_code()) { | 1687 if (method_attribute_name == vmSymbols::tag_code()) { |
1665 // Parse Code attribute | 1688 // Parse Code attribute |
1666 if (_need_verify) { | 1689 if (_need_verify) { |
1667 guarantee_property(!access_flags.is_native() && !access_flags.is_abstract(), | 1690 guarantee_property(!access_flags.is_native() && !access_flags.is_abstract(), |
1668 "Code attribute in native or abstract methods in class file %s", | 1691 "Code attribute in native or abstract methods in class file %s", |
2055 annotation_default_length, | 2078 annotation_default_length, |
2056 NULL, | 2079 NULL, |
2057 0, | 2080 0, |
2058 CHECK_(nullHandle)); | 2081 CHECK_(nullHandle)); |
2059 | 2082 |
2060 if (name() == vmSymbols::finalize_method_name() && | 2083 if (name == vmSymbols::finalize_method_name() && |
2061 signature() == vmSymbols::void_method_signature()) { | 2084 signature == vmSymbols::void_method_signature()) { |
2062 if (m->is_empty_method()) { | 2085 if (m->is_empty_method()) { |
2063 _has_empty_finalizer = true; | 2086 _has_empty_finalizer = true; |
2064 } else { | 2087 } else { |
2065 _has_finalizer = true; | 2088 _has_finalizer = true; |
2066 } | 2089 } |
2067 } | 2090 } |
2068 if (name() == vmSymbols::object_initializer_name() && | 2091 if (name == vmSymbols::object_initializer_name() && |
2069 signature() == vmSymbols::void_method_signature() && | 2092 signature == vmSymbols::void_method_signature() && |
2070 m->is_vanilla_constructor()) { | 2093 m->is_vanilla_constructor()) { |
2071 _has_vanilla_constructor = true; | 2094 _has_vanilla_constructor = true; |
2072 } | 2095 } |
2073 | 2096 |
2074 if (EnableMethodHandles && (m->is_method_handle_invoke() || | 2097 if (EnableMethodHandles && (m->is_method_handle_invoke() || |
2191 assert(!m->valid_vtable_index(), "vtable index should not be set"); | 2214 assert(!m->valid_vtable_index(), "vtable index should not be set"); |
2192 m->set_vtable_index(index); | 2215 m->set_vtable_index(index); |
2193 } | 2216 } |
2194 } | 2217 } |
2195 // Sort method array by ascending method name (for faster lookups & vtable construction) | 2218 // Sort method array by ascending method name (for faster lookups & vtable construction) |
2196 // Note that the ordering is not alphabetical, see symbolOopDesc::fast_compare | 2219 // Note that the ordering is not alphabetical, see Symbol::fast_compare |
2197 methodOopDesc::sort_methods(methods(), | 2220 methodOopDesc::sort_methods(methods(), |
2198 methods_annotations(), | 2221 methods_annotations(), |
2199 methods_parameter_annotations(), | 2222 methods_parameter_annotations(), |
2200 methods_default_annotations()); | 2223 methods_default_annotations()); |
2201 | 2224 |
2240 | 2263 |
2241 // Don't bother storing it if there is no way to retrieve it | 2264 // Don't bother storing it if there is no way to retrieve it |
2242 if (JvmtiExport::can_get_source_debug_extension()) { | 2265 if (JvmtiExport::can_get_source_debug_extension()) { |
2243 // Optimistically assume that only 1 byte UTF format is used | 2266 // Optimistically assume that only 1 byte UTF format is used |
2244 // (common case) | 2267 // (common case) |
2245 symbolOop sde_symbol = oopFactory::new_symbol((char*)sde_buffer, | 2268 TempNewSymbol sde_symbol = SymbolTable::new_symbol((const char*)sde_buffer, length, CHECK); |
2246 length, CHECK); | |
2247 k->set_source_debug_extension(sde_symbol); | 2269 k->set_source_debug_extension(sde_symbol); |
2270 // Note that set_source_debug_extension() increments the reference count | |
2271 // for its copy of the Symbol*, so use a TempNewSymbol here. | |
2248 } | 2272 } |
2249 // Got utf8 string, set stream position forward | 2273 // Got utf8 string, set stream position forward |
2250 cfs->skip_u1(length, CHECK); | 2274 cfs->skip_u1(length, CHECK); |
2251 } | 2275 } |
2252 | 2276 |
2438 check_property( | 2462 check_property( |
2439 valid_cp_range(attribute_name_index, cp->length()) && | 2463 valid_cp_range(attribute_name_index, cp->length()) && |
2440 cp->tag_at(attribute_name_index).is_utf8(), | 2464 cp->tag_at(attribute_name_index).is_utf8(), |
2441 "Attribute name has bad constant pool index %u in class file %s", | 2465 "Attribute name has bad constant pool index %u in class file %s", |
2442 attribute_name_index, CHECK); | 2466 attribute_name_index, CHECK); |
2443 symbolOop tag = cp->symbol_at(attribute_name_index); | 2467 Symbol* tag = cp->symbol_at(attribute_name_index); |
2444 if (tag == vmSymbols::tag_source_file()) { | 2468 if (tag == vmSymbols::tag_source_file()) { |
2445 // Check for SourceFile tag | 2469 // Check for SourceFile tag |
2446 if (_need_verify) { | 2470 if (_need_verify) { |
2447 guarantee_property(attribute_length == 2, "Wrong SourceFile attribute length in class file %s", CHECK); | 2471 guarantee_property(attribute_length == 2, "Wrong SourceFile attribute length in class file %s", CHECK); |
2448 } | 2472 } |
2605 h_k()->long_field_put(fd->offset(), fd->long_initial_value()); | 2629 h_k()->long_field_put(fd->offset(), fd->long_initial_value()); |
2606 break; | 2630 break; |
2607 case T_OBJECT: | 2631 case T_OBJECT: |
2608 { | 2632 { |
2609 #ifdef ASSERT | 2633 #ifdef ASSERT |
2610 symbolOop sym = oopFactory::new_symbol("Ljava/lang/String;", CHECK); | 2634 TempNewSymbol sym = SymbolTable::new_symbol("Ljava/lang/String;", CHECK); |
2611 assert(fd->signature() == sym, "just checking"); | 2635 assert(fd->signature() == sym, "just checking"); |
2612 #endif | 2636 #endif |
2613 oop string = fd->string_initial_value(CHECK); | 2637 oop string = fd->string_initial_value(CHECK); |
2614 h_k()->obj_field_put(fd->offset(), string); | 2638 h_k()->obj_field_put(fd->offset(), string); |
2615 } | 2639 } |
2648 for (int i = 0; i < n; i += instanceKlass::next_offset ) { | 2672 for (int i = 0; i < n; i += instanceKlass::next_offset ) { |
2649 int name_index = | 2673 int name_index = |
2650 (*fields_ptr)()->ushort_at(i + instanceKlass::name_index_offset); | 2674 (*fields_ptr)()->ushort_at(i + instanceKlass::name_index_offset); |
2651 int sig_index = | 2675 int sig_index = |
2652 (*fields_ptr)()->ushort_at(i + instanceKlass::signature_index_offset); | 2676 (*fields_ptr)()->ushort_at(i + instanceKlass::signature_index_offset); |
2653 symbolOop f_name = cp->symbol_at(name_index); | 2677 Symbol* f_name = cp->symbol_at(name_index); |
2654 symbolOop f_sig = cp->symbol_at(sig_index); | 2678 Symbol* f_sig = cp->symbol_at(sig_index); |
2655 if (f_sig == vmSymbols::reference_signature() && reference_index == 0) { | 2679 if (f_sig == vmSymbols::reference_signature() && reference_index == 0) { |
2656 // Save the index for reference signature for later use. | 2680 // Save the index for reference signature for later use. |
2657 // The fake discovered field does not entries in the | 2681 // The fake discovered field does not entries in the |
2658 // constant pool so the index for its signature cannot | 2682 // constant pool so the index for its signature cannot |
2659 // be extracted from the constant pool. It will need | 2683 // be extracted from the constant pool. It will need |
2803 bool found_vmentry = false; | 2827 bool found_vmentry = false; |
2804 for (int i = 0; i < fields->length(); i += instanceKlass::next_offset) { | 2828 for (int i = 0; i < fields->length(); i += instanceKlass::next_offset) { |
2805 int name_index = fields->ushort_at(i + instanceKlass::name_index_offset); | 2829 int name_index = fields->ushort_at(i + instanceKlass::name_index_offset); |
2806 int sig_index = fields->ushort_at(i + instanceKlass::signature_index_offset); | 2830 int sig_index = fields->ushort_at(i + instanceKlass::signature_index_offset); |
2807 int acc_flags = fields->ushort_at(i + instanceKlass::access_flags_offset); | 2831 int acc_flags = fields->ushort_at(i + instanceKlass::access_flags_offset); |
2808 symbolOop f_name = cp->symbol_at(name_index); | 2832 Symbol* f_name = cp->symbol_at(name_index); |
2809 symbolOop f_sig = cp->symbol_at(sig_index); | 2833 Symbol* f_sig = cp->symbol_at(sig_index); |
2810 | |
2811 if (f_name == vmSymbols::vmentry_name() && (acc_flags & JVM_ACC_STATIC) == 0) { | 2834 if (f_name == vmSymbols::vmentry_name() && (acc_flags & JVM_ACC_STATIC) == 0) { |
2812 if (f_sig == vmSymbols::machine_word_signature()) { | 2835 if (f_sig == vmSymbols::machine_word_signature()) { |
2813 // If the signature of vmentry is already changed, we're done. | 2836 // If the signature of vmentry is already changed, we're done. |
2814 found_vmentry = true; | 2837 found_vmentry = true; |
2815 break; | 2838 break; |
2839 THROW_MSG(vmSymbols::java_lang_VirtualMachineError(), | 2862 THROW_MSG(vmSymbols::java_lang_VirtualMachineError(), |
2840 "missing vmentry byte field in java.dyn.MethodHandle"); | 2863 "missing vmentry byte field in java.dyn.MethodHandle"); |
2841 } | 2864 } |
2842 | 2865 |
2843 | 2866 |
2844 instanceKlassHandle ClassFileParser::parseClassFile(symbolHandle name, | 2867 instanceKlassHandle ClassFileParser::parseClassFile(Symbol* name, |
2845 Handle class_loader, | 2868 Handle class_loader, |
2846 Handle protection_domain, | 2869 Handle protection_domain, |
2847 KlassHandle host_klass, | 2870 KlassHandle host_klass, |
2848 GrowableArray<Handle>* cp_patches, | 2871 GrowableArray<Handle>* cp_patches, |
2849 symbolHandle& parsed_name, | 2872 TempNewSymbol& parsed_name, |
2850 bool verify, | 2873 bool verify, |
2851 TRAPS) { | 2874 TRAPS) { |
2852 // So that JVMTI can cache class file in the state before retransformable agents | 2875 // So that JVMTI can cache class file in the state before retransformable agents |
2853 // have modified it | 2876 // have modified it |
2854 unsigned char *cached_class_file_bytes = NULL; | 2877 unsigned char *cached_class_file_bytes = NULL; |
2897 | 2920 |
2898 // Set the verify flag in stream | 2921 // Set the verify flag in stream |
2899 cfs->set_verify(_need_verify); | 2922 cfs->set_verify(_need_verify); |
2900 | 2923 |
2901 // Save the class file name for easier error message printing. | 2924 // Save the class file name for easier error message printing. |
2902 _class_name = name.not_null()? name : vmSymbolHandles::unknown_class_name(); | 2925 _class_name = (name != NULL) ? name : vmSymbols::unknown_class_name(); |
2903 | 2926 |
2904 cfs->guarantee_more(8, CHECK_(nullHandle)); // magic, major, minor | 2927 cfs->guarantee_more(8, CHECK_(nullHandle)); // magic, major, minor |
2905 // Magic value | 2928 // Magic value |
2906 u4 magic = cfs->get_u4_fast(); | 2929 u4 magic = cfs->get_u4_fast(); |
2907 guarantee_property(magic == JAVA_CLASSFILE_MAGIC, | 2930 guarantee_property(magic == JAVA_CLASSFILE_MAGIC, |
2912 u2 minor_version = cfs->get_u2_fast(); | 2935 u2 minor_version = cfs->get_u2_fast(); |
2913 u2 major_version = cfs->get_u2_fast(); | 2936 u2 major_version = cfs->get_u2_fast(); |
2914 | 2937 |
2915 // Check version numbers - we check this even with verifier off | 2938 // Check version numbers - we check this even with verifier off |
2916 if (!is_supported_version(major_version, minor_version)) { | 2939 if (!is_supported_version(major_version, minor_version)) { |
2917 if (name.is_null()) { | 2940 if (name == NULL) { |
2918 Exceptions::fthrow( | 2941 Exceptions::fthrow( |
2919 THREAD_AND_LOCATION, | 2942 THREAD_AND_LOCATION, |
2920 vmSymbolHandles::java_lang_UnsupportedClassVersionError(), | 2943 vmSymbols::java_lang_UnsupportedClassVersionError(), |
2921 "Unsupported major.minor version %u.%u", | 2944 "Unsupported major.minor version %u.%u", |
2922 major_version, | 2945 major_version, |
2923 minor_version); | 2946 minor_version); |
2924 } else { | 2947 } else { |
2925 ResourceMark rm(THREAD); | 2948 ResourceMark rm(THREAD); |
2926 Exceptions::fthrow( | 2949 Exceptions::fthrow( |
2927 THREAD_AND_LOCATION, | 2950 THREAD_AND_LOCATION, |
2928 vmSymbolHandles::java_lang_UnsupportedClassVersionError(), | 2951 vmSymbols::java_lang_UnsupportedClassVersionError(), |
2929 "%s : Unsupported major.minor version %u.%u", | 2952 "%s : Unsupported major.minor version %u.%u", |
2930 name->as_C_string(), | 2953 name->as_C_string(), |
2931 major_version, | 2954 major_version, |
2932 minor_version); | 2955 minor_version); |
2933 } | 2956 } |
2942 // Do not restrict it to jdk1.0 or jdk1.1 to maintain backward compatibility (4982376) | 2965 // Do not restrict it to jdk1.0 or jdk1.1 to maintain backward compatibility (4982376) |
2943 _relax_verify = Verifier::relax_verify_for(class_loader()); | 2966 _relax_verify = Verifier::relax_verify_for(class_loader()); |
2944 | 2967 |
2945 // Constant pool | 2968 // Constant pool |
2946 constantPoolHandle cp = parse_constant_pool(CHECK_(nullHandle)); | 2969 constantPoolHandle cp = parse_constant_pool(CHECK_(nullHandle)); |
2970 ConstantPoolCleaner error_handler(cp); // set constant pool to be cleaned up. | |
2971 | |
2947 int cp_size = cp->length(); | 2972 int cp_size = cp->length(); |
2948 | 2973 |
2949 cfs->guarantee_more(8, CHECK_(nullHandle)); // flags, this_class, super_class, infs_len | 2974 cfs->guarantee_more(8, CHECK_(nullHandle)); // flags, this_class, super_class, infs_len |
2950 | 2975 |
2951 // Access flags | 2976 // Access flags |
2966 valid_cp_range(this_class_index, cp_size) && | 2991 valid_cp_range(this_class_index, cp_size) && |
2967 cp->tag_at(this_class_index).is_unresolved_klass(), | 2992 cp->tag_at(this_class_index).is_unresolved_klass(), |
2968 "Invalid this class index %u in constant pool in class file %s", | 2993 "Invalid this class index %u in constant pool in class file %s", |
2969 this_class_index, CHECK_(nullHandle)); | 2994 this_class_index, CHECK_(nullHandle)); |
2970 | 2995 |
2971 symbolHandle class_name (THREAD, cp->unresolved_klass_at(this_class_index)); | 2996 Symbol* class_name = cp->unresolved_klass_at(this_class_index); |
2972 assert(class_name.not_null(), "class_name can't be null"); | 2997 assert(class_name != NULL, "class_name can't be null"); |
2973 | 2998 |
2974 // It's important to set parsed_name *before* resolving the super class. | 2999 // It's important to set parsed_name *before* resolving the super class. |
2975 // (it's used for cleanup by the caller if parsing fails) | 3000 // (it's used for cleanup by the caller if parsing fails) |
2976 parsed_name = class_name; | 3001 parsed_name = class_name; |
3002 // parsed_name is returned and can be used if there's an error, so add to | |
3003 // its reference count. Caller will decrement the refcount. | |
3004 parsed_name->increment_refcount(); | |
2977 | 3005 |
2978 // Update _class_name which could be null previously to be class_name | 3006 // Update _class_name which could be null previously to be class_name |
2979 _class_name = class_name; | 3007 _class_name = class_name; |
2980 | 3008 |
2981 // Don't need to check whether this class name is legal or not. | 3009 // Don't need to check whether this class name is legal or not. |
2991 | 3019 |
2992 // release all handles when parsing is done | 3020 // release all handles when parsing is done |
2993 { HandleMark hm(THREAD); | 3021 { HandleMark hm(THREAD); |
2994 | 3022 |
2995 // Checks if name in class file matches requested name | 3023 // Checks if name in class file matches requested name |
2996 if (name.not_null() && class_name() != name()) { | 3024 if (name != NULL && class_name != name) { |
2997 ResourceMark rm(THREAD); | 3025 ResourceMark rm(THREAD); |
2998 Exceptions::fthrow( | 3026 Exceptions::fthrow( |
2999 THREAD_AND_LOCATION, | 3027 THREAD_AND_LOCATION, |
3000 vmSymbolHandles::java_lang_NoClassDefFoundError(), | 3028 vmSymbols::java_lang_NoClassDefFoundError(), |
3001 "%s (wrong name: %s)", | 3029 "%s (wrong name: %s)", |
3002 name->as_C_string(), | 3030 name->as_C_string(), |
3003 class_name->as_C_string() | 3031 class_name->as_C_string() |
3004 ); | 3032 ); |
3005 return nullHandle; | 3033 return nullHandle; |
3006 } | 3034 } |
3007 | 3035 |
3008 if (TraceClassLoadingPreorder) { | 3036 if (TraceClassLoadingPreorder) { |
3009 tty->print("[Loading %s", name()->as_klass_external_name()); | 3037 tty->print("[Loading %s", name->as_klass_external_name()); |
3010 if (cfs->source() != NULL) tty->print(" from %s", cfs->source()); | 3038 if (cfs->source() != NULL) tty->print(" from %s", cfs->source()); |
3011 tty->print_cr("]"); | 3039 tty->print_cr("]"); |
3012 } | 3040 } |
3013 | 3041 |
3014 u2 super_class_index = cfs->get_u2_fast(); | 3042 u2 super_class_index = cfs->get_u2_fast(); |
3015 if (super_class_index == 0) { | 3043 if (super_class_index == 0) { |
3016 check_property(class_name() == vmSymbols::java_lang_Object(), | 3044 check_property(class_name == vmSymbols::java_lang_Object(), |
3017 "Invalid superclass index %u in class file %s", | 3045 "Invalid superclass index %u in class file %s", |
3018 super_class_index, | 3046 super_class_index, |
3019 CHECK_(nullHandle)); | 3047 CHECK_(nullHandle)); |
3020 } else { | 3048 } else { |
3021 check_property(valid_cp_range(super_class_index, cp_size) && | 3049 check_property(valid_cp_range(super_class_index, cp_size) && |
3073 objArrayHandle methods_parameter_annotations(THREAD, methods_parameter_annotations_oop); | 3101 objArrayHandle methods_parameter_annotations(THREAD, methods_parameter_annotations_oop); |
3074 objArrayHandle methods_default_annotations(THREAD, methods_default_annotations_oop); | 3102 objArrayHandle methods_default_annotations(THREAD, methods_default_annotations_oop); |
3075 | 3103 |
3076 // We check super class after class file is parsed and format is checked | 3104 // We check super class after class file is parsed and format is checked |
3077 if (super_class_index > 0 && super_klass.is_null()) { | 3105 if (super_class_index > 0 && super_klass.is_null()) { |
3078 symbolHandle sk (THREAD, cp->klass_name_at(super_class_index)); | 3106 Symbol* sk = cp->klass_name_at(super_class_index); |
3079 if (access_flags.is_interface()) { | 3107 if (access_flags.is_interface()) { |
3080 // Before attempting to resolve the superclass, check for class format | 3108 // Before attempting to resolve the superclass, check for class format |
3081 // errors not checked yet. | 3109 // errors not checked yet. |
3082 guarantee_property(sk() == vmSymbols::java_lang_Object(), | 3110 guarantee_property(sk == vmSymbols::java_lang_Object(), |
3083 "Interfaces must have java.lang.Object as superclass in class file %s", | 3111 "Interfaces must have java.lang.Object as superclass in class file %s", |
3084 CHECK_(nullHandle)); | 3112 CHECK_(nullHandle)); |
3085 } | 3113 } |
3086 klassOop k = SystemDictionary::resolve_super_or_fail(class_name, | 3114 klassOop k = SystemDictionary::resolve_super_or_fail(class_name, |
3087 sk, | 3115 sk, |
3098 if (super_klass.not_null()) { | 3126 if (super_klass.not_null()) { |
3099 if (super_klass->is_interface()) { | 3127 if (super_klass->is_interface()) { |
3100 ResourceMark rm(THREAD); | 3128 ResourceMark rm(THREAD); |
3101 Exceptions::fthrow( | 3129 Exceptions::fthrow( |
3102 THREAD_AND_LOCATION, | 3130 THREAD_AND_LOCATION, |
3103 vmSymbolHandles::java_lang_IncompatibleClassChangeError(), | 3131 vmSymbols::java_lang_IncompatibleClassChangeError(), |
3104 "class %s has interface %s as super class", | 3132 "class %s has interface %s as super class", |
3105 class_name->as_klass_external_name(), | 3133 class_name->as_klass_external_name(), |
3106 super_klass->external_name() | 3134 super_klass->external_name() |
3107 ); | 3135 ); |
3108 return nullHandle; | 3136 return nullHandle; |
3191 first_nonstatic_field_offset = instanceOopDesc::base_offset_in_bytes() + | 3219 first_nonstatic_field_offset = instanceOopDesc::base_offset_in_bytes() + |
3192 nonstatic_field_size * heapOopSize; | 3220 nonstatic_field_size * heapOopSize; |
3193 next_nonstatic_field_offset = first_nonstatic_field_offset; | 3221 next_nonstatic_field_offset = first_nonstatic_field_offset; |
3194 | 3222 |
3195 // Add fake fields for java.lang.Class instances (also see below) | 3223 // Add fake fields for java.lang.Class instances (also see below) |
3196 if (class_name() == vmSymbols::java_lang_Class() && class_loader.is_null()) { | 3224 if (class_name == vmSymbols::java_lang_Class() && class_loader.is_null()) { |
3197 java_lang_Class_fix_pre(&methods, &fac, CHECK_(nullHandle)); | 3225 java_lang_Class_fix_pre(&methods, &fac, CHECK_(nullHandle)); |
3198 } | 3226 } |
3199 | 3227 |
3200 // adjust the vmentry field declaration in java.dyn.MethodHandle | 3228 // adjust the vmentry field declaration in java.dyn.MethodHandle |
3201 if (EnableMethodHandles && class_name() == vmSymbols::sun_dyn_MethodHandleImpl() && class_loader.is_null()) { | 3229 if (EnableMethodHandles && class_name == vmSymbols::sun_dyn_MethodHandleImpl() && class_loader.is_null()) { |
3202 java_dyn_MethodHandle_fix_pre(cp, fields, &fac, CHECK_(nullHandle)); | 3230 java_dyn_MethodHandle_fix_pre(cp, fields, &fac, CHECK_(nullHandle)); |
3203 } | 3231 } |
3204 | 3232 |
3205 // Add a fake "discovered" field if it is not present | 3233 // Add a fake "discovered" field if it is not present |
3206 // for compatibility with earlier jdk's. | 3234 // for compatibility with earlier jdk's. |
3207 if (class_name() == vmSymbols::java_lang_ref_Reference() | 3235 if (class_name == vmSymbols::java_lang_ref_Reference() |
3208 && class_loader.is_null()) { | 3236 && class_loader.is_null()) { |
3209 java_lang_ref_Reference_fix_pre(&fields, cp, &fac, CHECK_(nullHandle)); | 3237 java_lang_ref_Reference_fix_pre(&fields, cp, &fac, CHECK_(nullHandle)); |
3210 } | 3238 } |
3211 // end of "discovered" field compactibility fix | 3239 // end of "discovered" field compactibility fix |
3212 | 3240 |
3234 nonstatic_oop_counts = NEW_RESOURCE_ARRAY_IN_THREAD( | 3262 nonstatic_oop_counts = NEW_RESOURCE_ARRAY_IN_THREAD( |
3235 THREAD, unsigned int, nonstatic_oop_count + 1); | 3263 THREAD, unsigned int, nonstatic_oop_count + 1); |
3236 | 3264 |
3237 // Add fake fields for java.lang.Class instances (also see above). | 3265 // Add fake fields for java.lang.Class instances (also see above). |
3238 // FieldsAllocationStyle and CompactFields values will be reset to default. | 3266 // FieldsAllocationStyle and CompactFields values will be reset to default. |
3239 if(class_name() == vmSymbols::java_lang_Class() && class_loader.is_null()) { | 3267 if(class_name == vmSymbols::java_lang_Class() && class_loader.is_null()) { |
3240 java_lang_Class_fix_post(&next_nonstatic_field_offset); | 3268 java_lang_Class_fix_post(&next_nonstatic_field_offset); |
3241 nonstatic_oop_offsets[0] = first_nonstatic_field_offset; | 3269 nonstatic_oop_offsets[0] = first_nonstatic_field_offset; |
3242 const uint fake_oop_count = (next_nonstatic_field_offset - | 3270 const uint fake_oop_count = (next_nonstatic_field_offset - |
3243 first_nonstatic_field_offset) / heapOopSize; | 3271 first_nonstatic_field_offset) / heapOopSize; |
3244 nonstatic_oop_counts[0] = fake_oop_count; | 3272 nonstatic_oop_counts[0] = fake_oop_count; |
3277 | 3305 |
3278 // The next classes have predefined hard-coded fields offsets | 3306 // The next classes have predefined hard-coded fields offsets |
3279 // (see in JavaClasses::compute_hard_coded_offsets()). | 3307 // (see in JavaClasses::compute_hard_coded_offsets()). |
3280 // Use default fields allocation order for them. | 3308 // Use default fields allocation order for them. |
3281 if( (allocation_style != 0 || compact_fields ) && class_loader.is_null() && | 3309 if( (allocation_style != 0 || compact_fields ) && class_loader.is_null() && |
3282 (class_name() == vmSymbols::java_lang_AssertionStatusDirectives() || | 3310 (class_name == vmSymbols::java_lang_AssertionStatusDirectives() || |
3283 class_name() == vmSymbols::java_lang_Class() || | 3311 class_name == vmSymbols::java_lang_Class() || |
3284 class_name() == vmSymbols::java_lang_ClassLoader() || | 3312 class_name == vmSymbols::java_lang_ClassLoader() || |
3285 class_name() == vmSymbols::java_lang_ref_Reference() || | 3313 class_name == vmSymbols::java_lang_ref_Reference() || |
3286 class_name() == vmSymbols::java_lang_ref_SoftReference() || | 3314 class_name == vmSymbols::java_lang_ref_SoftReference() || |
3287 class_name() == vmSymbols::java_lang_StackTraceElement() || | 3315 class_name == vmSymbols::java_lang_StackTraceElement() || |
3288 class_name() == vmSymbols::java_lang_String() || | 3316 class_name == vmSymbols::java_lang_String() || |
3289 class_name() == vmSymbols::java_lang_Throwable() || | 3317 class_name == vmSymbols::java_lang_Throwable() || |
3290 class_name() == vmSymbols::java_lang_Boolean() || | 3318 class_name == vmSymbols::java_lang_Boolean() || |
3291 class_name() == vmSymbols::java_lang_Character() || | 3319 class_name == vmSymbols::java_lang_Character() || |
3292 class_name() == vmSymbols::java_lang_Float() || | 3320 class_name == vmSymbols::java_lang_Float() || |
3293 class_name() == vmSymbols::java_lang_Double() || | 3321 class_name == vmSymbols::java_lang_Double() || |
3294 class_name() == vmSymbols::java_lang_Byte() || | 3322 class_name == vmSymbols::java_lang_Byte() || |
3295 class_name() == vmSymbols::java_lang_Short() || | 3323 class_name == vmSymbols::java_lang_Short() || |
3296 class_name() == vmSymbols::java_lang_Integer() || | 3324 class_name == vmSymbols::java_lang_Integer() || |
3297 class_name() == vmSymbols::java_lang_Long())) { | 3325 class_name == vmSymbols::java_lang_Long())) { |
3298 allocation_style = 0; // Allocate oops first | 3326 allocation_style = 0; // Allocate oops first |
3299 compact_fields = false; // Don't compact fields | 3327 compact_fields = false; // Don't compact fields |
3300 } | 3328 } |
3301 | 3329 |
3302 if( allocation_style == 0 ) { | 3330 if( allocation_style == 0 ) { |
3541 this_klass->set_class_loader(class_loader()); | 3569 this_klass->set_class_loader(class_loader()); |
3542 this_klass->set_nonstatic_field_size(nonstatic_field_size); | 3570 this_klass->set_nonstatic_field_size(nonstatic_field_size); |
3543 this_klass->set_has_nonstatic_fields(has_nonstatic_fields); | 3571 this_klass->set_has_nonstatic_fields(has_nonstatic_fields); |
3544 this_klass->set_static_oop_field_size(fac.static_oop_count); | 3572 this_klass->set_static_oop_field_size(fac.static_oop_count); |
3545 cp->set_pool_holder(this_klass()); | 3573 cp->set_pool_holder(this_klass()); |
3574 error_handler.set_in_error(false); // turn off error handler for cp | |
3546 this_klass->set_constants(cp()); | 3575 this_klass->set_constants(cp()); |
3547 this_klass->set_local_interfaces(local_interfaces()); | 3576 this_klass->set_local_interfaces(local_interfaces()); |
3548 this_klass->set_fields(fields()); | 3577 this_klass->set_fields(fields()); |
3549 this_klass->set_methods(methods()); | 3578 this_klass->set_methods(methods()); |
3550 if (has_final_method) { | 3579 if (has_final_method) { |
3933 if ((super != NULL) && | 3962 if ((super != NULL) && |
3934 (!Reflection::verify_class_access(this_klass->as_klassOop(), super, false))) { | 3963 (!Reflection::verify_class_access(this_klass->as_klassOop(), super, false))) { |
3935 ResourceMark rm(THREAD); | 3964 ResourceMark rm(THREAD); |
3936 Exceptions::fthrow( | 3965 Exceptions::fthrow( |
3937 THREAD_AND_LOCATION, | 3966 THREAD_AND_LOCATION, |
3938 vmSymbolHandles::java_lang_IllegalAccessError(), | 3967 vmSymbols::java_lang_IllegalAccessError(), |
3939 "class %s cannot access its superclass %s", | 3968 "class %s cannot access its superclass %s", |
3940 this_klass->external_name(), | 3969 this_klass->external_name(), |
3941 instanceKlass::cast(super)->external_name() | 3970 instanceKlass::cast(super)->external_name() |
3942 ); | 3971 ); |
3943 return; | 3972 return; |
3953 assert (k != NULL && Klass::cast(k)->is_interface(), "invalid interface"); | 3982 assert (k != NULL && Klass::cast(k)->is_interface(), "invalid interface"); |
3954 if (!Reflection::verify_class_access(this_klass->as_klassOop(), k, false)) { | 3983 if (!Reflection::verify_class_access(this_klass->as_klassOop(), k, false)) { |
3955 ResourceMark rm(THREAD); | 3984 ResourceMark rm(THREAD); |
3956 Exceptions::fthrow( | 3985 Exceptions::fthrow( |
3957 THREAD_AND_LOCATION, | 3986 THREAD_AND_LOCATION, |
3958 vmSymbolHandles::java_lang_IllegalAccessError(), | 3987 vmSymbols::java_lang_IllegalAccessError(), |
3959 "class %s cannot access its superinterface %s", | 3988 "class %s cannot access its superinterface %s", |
3960 this_klass->external_name(), | 3989 this_klass->external_name(), |
3961 instanceKlass::cast(k)->external_name() | 3990 instanceKlass::cast(k)->external_name() |
3962 ); | 3991 ); |
3963 return; | 3992 return; |
3977 // skip private, static and <init> methods | 4006 // skip private, static and <init> methods |
3978 if ((!m->is_private()) && | 4007 if ((!m->is_private()) && |
3979 (!m->is_static()) && | 4008 (!m->is_static()) && |
3980 (m->name() != vmSymbols::object_initializer_name())) { | 4009 (m->name() != vmSymbols::object_initializer_name())) { |
3981 | 4010 |
3982 symbolOop name = m->name(); | 4011 Symbol* name = m->name(); |
3983 symbolOop signature = m->signature(); | 4012 Symbol* signature = m->signature(); |
3984 klassOop k = this_klass->super(); | 4013 klassOop k = this_klass->super(); |
3985 methodOop super_m = NULL; | 4014 methodOop super_m = NULL; |
3986 while (k != NULL) { | 4015 while (k != NULL) { |
3987 // skip supers that don't have final methods. | 4016 // skip supers that don't have final methods. |
3988 if (k->klass_part()->has_final_method()) { | 4017 if (k->klass_part()->has_final_method()) { |
4001 // this class can access super final method and therefore override | 4030 // this class can access super final method and therefore override |
4002 ) { | 4031 ) { |
4003 ResourceMark rm(THREAD); | 4032 ResourceMark rm(THREAD); |
4004 Exceptions::fthrow( | 4033 Exceptions::fthrow( |
4005 THREAD_AND_LOCATION, | 4034 THREAD_AND_LOCATION, |
4006 vmSymbolHandles::java_lang_VerifyError(), | 4035 vmSymbols::java_lang_VerifyError(), |
4007 "class %s overrides final method %s.%s", | 4036 "class %s overrides final method %s.%s", |
4008 this_klass->external_name(), | 4037 this_klass->external_name(), |
4009 name->as_C_string(), | 4038 name->as_C_string(), |
4010 signature->as_C_string() | 4039 signature->as_C_string() |
4011 ); | 4040 ); |
4035 // if m is static and not the init method, throw a verify error | 4064 // if m is static and not the init method, throw a verify error |
4036 if ((m->is_static()) && (m->name() != vmSymbols::class_initializer_name())) { | 4065 if ((m->is_static()) && (m->name() != vmSymbols::class_initializer_name())) { |
4037 ResourceMark rm(THREAD); | 4066 ResourceMark rm(THREAD); |
4038 Exceptions::fthrow( | 4067 Exceptions::fthrow( |
4039 THREAD_AND_LOCATION, | 4068 THREAD_AND_LOCATION, |
4040 vmSymbolHandles::java_lang_VerifyError(), | 4069 vmSymbols::java_lang_VerifyError(), |
4041 "Illegal static method %s in interface %s", | 4070 "Illegal static method %s in interface %s", |
4042 m->name()->as_C_string(), | 4071 m->name()->as_C_string(), |
4043 this_klass->external_name() | 4072 this_klass->external_name() |
4044 ); | 4073 ); |
4045 return; | 4074 return; |
4065 (is_interface && major_gte_15 && (is_super || is_enum)) || | 4094 (is_interface && major_gte_15 && (is_super || is_enum)) || |
4066 (!is_interface && major_gte_15 && is_annotation)) { | 4095 (!is_interface && major_gte_15 && is_annotation)) { |
4067 ResourceMark rm(THREAD); | 4096 ResourceMark rm(THREAD); |
4068 Exceptions::fthrow( | 4097 Exceptions::fthrow( |
4069 THREAD_AND_LOCATION, | 4098 THREAD_AND_LOCATION, |
4070 vmSymbolHandles::java_lang_ClassFormatError(), | 4099 vmSymbols::java_lang_ClassFormatError(), |
4071 "Illegal class modifiers in class %s: 0x%X", | 4100 "Illegal class modifiers in class %s: 0x%X", |
4072 _class_name->as_C_string(), flags | 4101 _class_name->as_C_string(), flags |
4073 ); | 4102 ); |
4074 return; | 4103 return; |
4075 } | 4104 } |
4125 | 4154 |
4126 if (is_illegal) { | 4155 if (is_illegal) { |
4127 ResourceMark rm(THREAD); | 4156 ResourceMark rm(THREAD); |
4128 Exceptions::fthrow( | 4157 Exceptions::fthrow( |
4129 THREAD_AND_LOCATION, | 4158 THREAD_AND_LOCATION, |
4130 vmSymbolHandles::java_lang_ClassFormatError(), | 4159 vmSymbols::java_lang_ClassFormatError(), |
4131 "Illegal field modifiers in class %s: 0x%X", | 4160 "Illegal field modifiers in class %s: 0x%X", |
4132 _class_name->as_C_string(), flags); | 4161 _class_name->as_C_string(), flags); |
4133 return; | 4162 return; |
4134 } | 4163 } |
4135 } | 4164 } |
4136 | 4165 |
4137 void ClassFileParser::verify_legal_method_modifiers( | 4166 void ClassFileParser::verify_legal_method_modifiers( |
4138 jint flags, bool is_interface, symbolHandle name, TRAPS) { | 4167 jint flags, bool is_interface, Symbol* name, TRAPS) { |
4139 if (!_need_verify) { return; } | 4168 if (!_need_verify) { return; } |
4140 | 4169 |
4141 const bool is_public = (flags & JVM_ACC_PUBLIC) != 0; | 4170 const bool is_public = (flags & JVM_ACC_PUBLIC) != 0; |
4142 const bool is_private = (flags & JVM_ACC_PRIVATE) != 0; | 4171 const bool is_private = (flags & JVM_ACC_PRIVATE) != 0; |
4143 const bool is_static = (flags & JVM_ACC_STATIC) != 0; | 4172 const bool is_static = (flags & JVM_ACC_STATIC) != 0; |
4178 | 4207 |
4179 if (is_illegal) { | 4208 if (is_illegal) { |
4180 ResourceMark rm(THREAD); | 4209 ResourceMark rm(THREAD); |
4181 Exceptions::fthrow( | 4210 Exceptions::fthrow( |
4182 THREAD_AND_LOCATION, | 4211 THREAD_AND_LOCATION, |
4183 vmSymbolHandles::java_lang_ClassFormatError(), | 4212 vmSymbols::java_lang_ClassFormatError(), |
4184 "Method %s in class %s has illegal modifiers: 0x%X", | 4213 "Method %s in class %s has illegal modifiers: 0x%X", |
4185 name->as_C_string(), _class_name->as_C_string(), flags); | 4214 name->as_C_string(), _class_name->as_C_string(), flags); |
4186 return; | 4215 return; |
4187 } | 4216 } |
4188 } | 4217 } |
4249 } // end of switch | 4278 } // end of switch |
4250 } // end of for | 4279 } // end of for |
4251 } | 4280 } |
4252 | 4281 |
4253 // Checks if name is a legal class name. | 4282 // Checks if name is a legal class name. |
4254 void ClassFileParser::verify_legal_class_name(symbolHandle name, TRAPS) { | 4283 void ClassFileParser::verify_legal_class_name(Symbol* name, TRAPS) { |
4255 if (!_need_verify || _relax_verify) { return; } | 4284 if (!_need_verify || _relax_verify) { return; } |
4256 | 4285 |
4257 char buf[fixed_buffer_size]; | 4286 char buf[fixed_buffer_size]; |
4258 char* bytes = name->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); | 4287 char* bytes = name->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); |
4259 unsigned int length = name->utf8_length(); | 4288 unsigned int length = name->utf8_length(); |
4279 } | 4308 } |
4280 if (!legal) { | 4309 if (!legal) { |
4281 ResourceMark rm(THREAD); | 4310 ResourceMark rm(THREAD); |
4282 Exceptions::fthrow( | 4311 Exceptions::fthrow( |
4283 THREAD_AND_LOCATION, | 4312 THREAD_AND_LOCATION, |
4284 vmSymbolHandles::java_lang_ClassFormatError(), | 4313 vmSymbols::java_lang_ClassFormatError(), |
4285 "Illegal class name \"%s\" in class file %s", bytes, | 4314 "Illegal class name \"%s\" in class file %s", bytes, |
4286 _class_name->as_C_string() | 4315 _class_name->as_C_string() |
4287 ); | 4316 ); |
4288 return; | 4317 return; |
4289 } | 4318 } |
4290 } | 4319 } |
4291 | 4320 |
4292 // Checks if name is a legal field name. | 4321 // Checks if name is a legal field name. |
4293 void ClassFileParser::verify_legal_field_name(symbolHandle name, TRAPS) { | 4322 void ClassFileParser::verify_legal_field_name(Symbol* name, TRAPS) { |
4294 if (!_need_verify || _relax_verify) { return; } | 4323 if (!_need_verify || _relax_verify) { return; } |
4295 | 4324 |
4296 char buf[fixed_buffer_size]; | 4325 char buf[fixed_buffer_size]; |
4297 char* bytes = name->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); | 4326 char* bytes = name->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); |
4298 unsigned int length = name->utf8_length(); | 4327 unsigned int length = name->utf8_length(); |
4312 | 4341 |
4313 if (!legal) { | 4342 if (!legal) { |
4314 ResourceMark rm(THREAD); | 4343 ResourceMark rm(THREAD); |
4315 Exceptions::fthrow( | 4344 Exceptions::fthrow( |
4316 THREAD_AND_LOCATION, | 4345 THREAD_AND_LOCATION, |
4317 vmSymbolHandles::java_lang_ClassFormatError(), | 4346 vmSymbols::java_lang_ClassFormatError(), |
4318 "Illegal field name \"%s\" in class %s", bytes, | 4347 "Illegal field name \"%s\" in class %s", bytes, |
4319 _class_name->as_C_string() | 4348 _class_name->as_C_string() |
4320 ); | 4349 ); |
4321 return; | 4350 return; |
4322 } | 4351 } |
4323 } | 4352 } |
4324 | 4353 |
4325 // Checks if name is a legal method name. | 4354 // Checks if name is a legal method name. |
4326 void ClassFileParser::verify_legal_method_name(symbolHandle name, TRAPS) { | 4355 void ClassFileParser::verify_legal_method_name(Symbol* name, TRAPS) { |
4327 if (!_need_verify || _relax_verify) { return; } | 4356 if (!_need_verify || _relax_verify) { return; } |
4328 | 4357 |
4329 assert(!name.is_null(), "method name is null"); | 4358 assert(name != NULL, "method name is null"); |
4330 char buf[fixed_buffer_size]; | 4359 char buf[fixed_buffer_size]; |
4331 char* bytes = name->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); | 4360 char* bytes = name->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); |
4332 unsigned int length = name->utf8_length(); | 4361 unsigned int length = name->utf8_length(); |
4333 bool legal = false; | 4362 bool legal = false; |
4334 | 4363 |
4349 | 4378 |
4350 if (!legal) { | 4379 if (!legal) { |
4351 ResourceMark rm(THREAD); | 4380 ResourceMark rm(THREAD); |
4352 Exceptions::fthrow( | 4381 Exceptions::fthrow( |
4353 THREAD_AND_LOCATION, | 4382 THREAD_AND_LOCATION, |
4354 vmSymbolHandles::java_lang_ClassFormatError(), | 4383 vmSymbols::java_lang_ClassFormatError(), |
4355 "Illegal method name \"%s\" in class %s", bytes, | 4384 "Illegal method name \"%s\" in class %s", bytes, |
4356 _class_name->as_C_string() | 4385 _class_name->as_C_string() |
4357 ); | 4386 ); |
4358 return; | 4387 return; |
4359 } | 4388 } |
4360 } | 4389 } |
4361 | 4390 |
4362 | 4391 |
4363 // Checks if signature is a legal field signature. | 4392 // Checks if signature is a legal field signature. |
4364 void ClassFileParser::verify_legal_field_signature(symbolHandle name, symbolHandle signature, TRAPS) { | 4393 void ClassFileParser::verify_legal_field_signature(Symbol* name, Symbol* signature, TRAPS) { |
4365 if (!_need_verify) { return; } | 4394 if (!_need_verify) { return; } |
4366 | 4395 |
4367 char buf[fixed_buffer_size]; | 4396 char buf[fixed_buffer_size]; |
4368 char* bytes = signature->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); | 4397 char* bytes = signature->as_utf8_flexible_buffer(THREAD, buf, fixed_buffer_size); |
4369 unsigned int length = signature->utf8_length(); | 4398 unsigned int length = signature->utf8_length(); |
4374 } | 4403 } |
4375 } | 4404 } |
4376 | 4405 |
4377 // Checks if signature is a legal method signature. | 4406 // Checks if signature is a legal method signature. |
4378 // Returns number of parameters | 4407 // Returns number of parameters |
4379 int ClassFileParser::verify_legal_method_signature(symbolHandle name, symbolHandle signature, TRAPS) { | 4408 int ClassFileParser::verify_legal_method_signature(Symbol* name, Symbol* signature, TRAPS) { |
4380 if (!_need_verify) { | 4409 if (!_need_verify) { |
4381 // make sure caller's args_size will be less than 0 even for non-static | 4410 // make sure caller's args_size will be less than 0 even for non-static |
4382 // method so it will be recomputed in compute_size_of_parameters(). | 4411 // method so it will be recomputed in compute_size_of_parameters(). |
4383 return -2; | 4412 return -2; |
4384 } | 4413 } |
4506 args.push_int(unicode_ch); | 4535 args.push_int(unicode_ch); |
4507 | 4536 |
4508 // public static boolean isJavaIdentifierStart(char ch); | 4537 // public static boolean isJavaIdentifierStart(char ch); |
4509 JavaCalls::call_static(&result, | 4538 JavaCalls::call_static(&result, |
4510 klass, | 4539 klass, |
4511 vmSymbolHandles::isJavaIdentifierStart_name(), | 4540 vmSymbols::isJavaIdentifierStart_name(), |
4512 vmSymbolHandles::int_bool_signature(), | 4541 vmSymbols::int_bool_signature(), |
4513 &args, | 4542 &args, |
4514 THREAD); | 4543 THREAD); |
4515 | 4544 |
4516 if (HAS_PENDING_EXCEPTION) { | 4545 if (HAS_PENDING_EXCEPTION) { |
4517 CLEAR_PENDING_EXCEPTION; | 4546 CLEAR_PENDING_EXCEPTION; |
4523 | 4552 |
4524 if (not_first_ch) { | 4553 if (not_first_ch) { |
4525 // public static boolean isJavaIdentifierPart(char ch); | 4554 // public static boolean isJavaIdentifierPart(char ch); |
4526 JavaCalls::call_static(&result, | 4555 JavaCalls::call_static(&result, |
4527 klass, | 4556 klass, |
4528 vmSymbolHandles::isJavaIdentifierPart_name(), | 4557 vmSymbols::isJavaIdentifierPart_name(), |
4529 vmSymbolHandles::int_bool_signature(), | 4558 vmSymbols::int_bool_signature(), |
4530 &args, | 4559 &args, |
4531 THREAD); | 4560 THREAD); |
4532 | 4561 |
4533 if (HAS_PENDING_EXCEPTION) { | 4562 if (HAS_PENDING_EXCEPTION) { |
4534 CLEAR_PENDING_EXCEPTION; | 4563 CLEAR_PENDING_EXCEPTION; |