602
603 // Find method indices by name. If a method with the specified name is
604 // found the index to the first method is returned, and 'end' is filled in
605 // with the index of first non-name-matching method. If no method is found
606 // -1 is returned.
607 int find_method_by_name(const Symbol* name, int* end) const;
608 static int find_method_by_name(const Array<Method*>* methods,
609 const Symbol* name, int* end);
610
611 // constant pool
612 ConstantPool* constants() const { return _constants; }
613 void set_constants(ConstantPool* c) { _constants = c; }
614
615 // protection domain
616 oop protection_domain() const;
617
618 // signers
619 objArrayOop signers() const;
620
621 // host class
622 Klass* host_klass() const {
623 Klass** hk = (Klass**)adr_host_klass();
624 if (hk == NULL) {
625 return NULL;
626 } else {
627 assert(*hk != NULL, "host klass should always be set if the address is not null");
628 return *hk;
629 }
630 }
631 void set_host_klass(const Klass* host) {
632 assert(is_anonymous(), "not anonymous");
633 const Klass** addr = (const Klass**)adr_host_klass();
634 assert(addr != NULL, "no reversed space");
635 if (addr != NULL) {
636 *addr = host;
637 }
638 }
639 bool is_anonymous() const {
640 return (_misc_flags & _misc_is_anonymous) != 0;
641 }
642 void set_is_anonymous(bool value) {
643 if (value) {
644 _misc_flags |= _misc_is_anonymous;
645 } else {
646 _misc_flags &= ~_misc_is_anonymous;
647 }
648 }
649
650 // Oop that keeps the metadata for this class from being unloaded
651 // in places where the metadata is stored in other places, like nmethods
652 oop klass_holder() const {
653 return is_anonymous() ? java_mirror() : class_loader();
1040
1041 address static_field_addr(int offset);
1042
1043 OopMapBlock* start_of_nonstatic_oop_maps() const {
1044 return (OopMapBlock*)(start_of_itable() + itable_length());
1045 }
1046
1047 Klass** end_of_nonstatic_oop_maps() const {
1048 return (Klass**)(start_of_nonstatic_oop_maps() +
1049 nonstatic_oop_map_count());
1050 }
1051
1052 Klass** adr_implementor() const {
1053 if (is_interface()) {
1054 return (Klass**)end_of_nonstatic_oop_maps();
1055 } else {
1056 return NULL;
1057 }
1058 };
1059
1060 Klass** adr_host_klass() const {
1061 if (is_anonymous()) {
1062 Klass** adr_impl = adr_implementor();
1063 if (adr_impl != NULL) {
1064 return adr_impl + 1;
1065 } else {
1066 return end_of_nonstatic_oop_maps();
1067 }
1068 } else {
1069 return NULL;
1070 }
1071 }
1072
1073 // Use this to return the size of an instance in heap words:
1074 int size_helper() const {
1075 return layout_helper_to_size_helper(layout_helper());
1076 }
1077
1078 // This bit is initialized in classFileParser.cpp.
1079 // It is false under any of the following conditions:
1080 // - the class is abstract (including any interface)
1081 // - the class has a finalizer (if !RegisterFinalizersAtInit)
1082 // - the class size is larger than FastAllocateSizeLimit
1083 // - the class is java/lang/Class, which cannot be allocated directly
1084 bool can_be_fastpath_allocated() const {
1085 return !layout_helper_needs_slow_path(layout_helper());
1086 }
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602
603 // Find method indices by name. If a method with the specified name is
604 // found the index to the first method is returned, and 'end' is filled in
605 // with the index of first non-name-matching method. If no method is found
606 // -1 is returned.
607 int find_method_by_name(const Symbol* name, int* end) const;
608 static int find_method_by_name(const Array<Method*>* methods,
609 const Symbol* name, int* end);
610
611 // constant pool
612 ConstantPool* constants() const { return _constants; }
613 void set_constants(ConstantPool* c) { _constants = c; }
614
615 // protection domain
616 oop protection_domain() const;
617
618 // signers
619 objArrayOop signers() const;
620
621 // host class
622 InstanceKlass* host_klass() const {
623 InstanceKlass** hk = adr_host_klass();
624 if (hk == NULL) {
625 return NULL;
626 } else {
627 assert(*hk != NULL, "host klass should always be set if the address is not null");
628 return *hk;
629 }
630 }
631 void set_host_klass(const InstanceKlass* host) {
632 assert(is_anonymous(), "not anonymous");
633 const InstanceKlass** addr = (const InstanceKlass **)adr_host_klass();
634 assert(addr != NULL, "no reversed space");
635 if (addr != NULL) {
636 *addr = host;
637 }
638 }
639 bool is_anonymous() const {
640 return (_misc_flags & _misc_is_anonymous) != 0;
641 }
642 void set_is_anonymous(bool value) {
643 if (value) {
644 _misc_flags |= _misc_is_anonymous;
645 } else {
646 _misc_flags &= ~_misc_is_anonymous;
647 }
648 }
649
650 // Oop that keeps the metadata for this class from being unloaded
651 // in places where the metadata is stored in other places, like nmethods
652 oop klass_holder() const {
653 return is_anonymous() ? java_mirror() : class_loader();
1040
1041 address static_field_addr(int offset);
1042
1043 OopMapBlock* start_of_nonstatic_oop_maps() const {
1044 return (OopMapBlock*)(start_of_itable() + itable_length());
1045 }
1046
1047 Klass** end_of_nonstatic_oop_maps() const {
1048 return (Klass**)(start_of_nonstatic_oop_maps() +
1049 nonstatic_oop_map_count());
1050 }
1051
1052 Klass** adr_implementor() const {
1053 if (is_interface()) {
1054 return (Klass**)end_of_nonstatic_oop_maps();
1055 } else {
1056 return NULL;
1057 }
1058 };
1059
1060 InstanceKlass** adr_host_klass() const {
1061 if (is_anonymous()) {
1062 InstanceKlass** adr_impl = (InstanceKlass **)adr_implementor();
1063 if (adr_impl != NULL) {
1064 return adr_impl + 1;
1065 } else {
1066 return (InstanceKlass **)end_of_nonstatic_oop_maps();
1067 }
1068 } else {
1069 return NULL;
1070 }
1071 }
1072
1073 // Use this to return the size of an instance in heap words:
1074 int size_helper() const {
1075 return layout_helper_to_size_helper(layout_helper());
1076 }
1077
1078 // This bit is initialized in classFileParser.cpp.
1079 // It is false under any of the following conditions:
1080 // - the class is abstract (including any interface)
1081 // - the class has a finalizer (if !RegisterFinalizersAtInit)
1082 // - the class size is larger than FastAllocateSizeLimit
1083 // - the class is java/lang/Class, which cannot be allocated directly
1084 bool can_be_fastpath_allocated() const {
1085 return !layout_helper_needs_slow_path(layout_helper());
1086 }
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