312 // embedded static fields follows here
313 // embedded nonstatic oop-map blocks follows here
314 // embedded implementor of this interface follows here
315 // The embedded implementor only exists if the current klass is an
316 // iterface. The possible values of the implementor fall into following
317 // three cases:
318 // NULL: no implementor.
319 // A Klass* that's not itself: one implementor.
320 // Itself: more than one implementors.
321 // embedded unsafe_anonymous_host klass follows here
322 // The embedded host klass only exists in an unsafe anonymous class for
323 // dynamic language support (JSR 292 enabled). The host class grants
324 // its access privileges to this class also. The host class is either
325 // named, or a previously loaded unsafe anonymous class. A non-anonymous class
326 // or an anonymous class loaded through normal classloading does not
327 // have this embedded field.
328 //
329
330 friend class SystemDictionary;
331
332 public:
333 u2 loader_type() {
334 return _misc_flags & loader_type_bits();
335 }
336
337 bool is_shared_boot_class() const {
338 return (_misc_flags & _misc_is_shared_boot_class) != 0;
339 }
340 bool is_shared_platform_class() const {
341 return (_misc_flags & _misc_is_shared_platform_class) != 0;
342 }
343 bool is_shared_app_class() const {
344 return (_misc_flags & _misc_is_shared_app_class) != 0;
345 }
346
347 void clear_class_loader_type() {
348 _misc_flags &= ~loader_type_bits();
349 }
350
351 void set_class_loader_type(s2 loader_type);
546 void set_this_class_index(u2 index) { _this_class_index = index; }
547
548 static ByteSize reference_type_offset() { return in_ByteSize(offset_of(InstanceKlass, _reference_type)); }
549
550 // find local field, returns true if found
551 bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
552 // find field in direct superinterfaces, returns the interface in which the field is defined
553 Klass* find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
554 // find field according to JVM spec 5.4.3.2, returns the klass in which the field is defined
555 Klass* find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
556 // find instance or static fields according to JVM spec 5.4.3.2, returns the klass in which the field is defined
557 Klass* find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const;
558
559 // find a non-static or static field given its offset within the class.
560 bool contains_field_offset(int offset) {
561 return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size());
562 }
563
564 bool find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
565 bool find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
566
567 // find a local method (returns NULL if not found)
568 Method* find_method(const Symbol* name, const Symbol* signature) const;
569 static Method* find_method(const Array<Method*>* methods,
570 const Symbol* name,
571 const Symbol* signature);
572
573 // find a local method, but skip static methods
574 Method* find_instance_method(const Symbol* name, const Symbol* signature,
575 PrivateLookupMode private_mode = find_private) const;
576 static Method* find_instance_method(const Array<Method*>* methods,
577 const Symbol* name,
578 const Symbol* signature,
579 PrivateLookupMode private_mode = find_private);
580
581 // find a local method (returns NULL if not found)
582 Method* find_local_method(const Symbol* name,
583 const Symbol* signature,
584 OverpassLookupMode overpass_mode,
585 StaticLookupMode static_mode,
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312 // embedded static fields follows here
313 // embedded nonstatic oop-map blocks follows here
314 // embedded implementor of this interface follows here
315 // The embedded implementor only exists if the current klass is an
316 // iterface. The possible values of the implementor fall into following
317 // three cases:
318 // NULL: no implementor.
319 // A Klass* that's not itself: one implementor.
320 // Itself: more than one implementors.
321 // embedded unsafe_anonymous_host klass follows here
322 // The embedded host klass only exists in an unsafe anonymous class for
323 // dynamic language support (JSR 292 enabled). The host class grants
324 // its access privileges to this class also. The host class is either
325 // named, or a previously loaded unsafe anonymous class. A non-anonymous class
326 // or an anonymous class loaded through normal classloading does not
327 // have this embedded field.
328 //
329
330 friend class SystemDictionary;
331
332 static bool _disable_method_binary_search;
333
334 public:
335 u2 loader_type() {
336 return _misc_flags & loader_type_bits();
337 }
338
339 bool is_shared_boot_class() const {
340 return (_misc_flags & _misc_is_shared_boot_class) != 0;
341 }
342 bool is_shared_platform_class() const {
343 return (_misc_flags & _misc_is_shared_platform_class) != 0;
344 }
345 bool is_shared_app_class() const {
346 return (_misc_flags & _misc_is_shared_app_class) != 0;
347 }
348
349 void clear_class_loader_type() {
350 _misc_flags &= ~loader_type_bits();
351 }
352
353 void set_class_loader_type(s2 loader_type);
548 void set_this_class_index(u2 index) { _this_class_index = index; }
549
550 static ByteSize reference_type_offset() { return in_ByteSize(offset_of(InstanceKlass, _reference_type)); }
551
552 // find local field, returns true if found
553 bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
554 // find field in direct superinterfaces, returns the interface in which the field is defined
555 Klass* find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
556 // find field according to JVM spec 5.4.3.2, returns the klass in which the field is defined
557 Klass* find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
558 // find instance or static fields according to JVM spec 5.4.3.2, returns the klass in which the field is defined
559 Klass* find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const;
560
561 // find a non-static or static field given its offset within the class.
562 bool contains_field_offset(int offset) {
563 return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size());
564 }
565
566 bool find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
567 bool find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
568
569 private:
570 static int quick_search(const Array<Method*>* methods, const Symbol* name);
571
572 public:
573 static void disable_method_binary_search() {
574 _disable_method_binary_search = true;
575 }
576
577 // find a local method (returns NULL if not found)
578 Method* find_method(const Symbol* name, const Symbol* signature) const;
579 static Method* find_method(const Array<Method*>* methods,
580 const Symbol* name,
581 const Symbol* signature);
582
583 // find a local method, but skip static methods
584 Method* find_instance_method(const Symbol* name, const Symbol* signature,
585 PrivateLookupMode private_mode = find_private) const;
586 static Method* find_instance_method(const Array<Method*>* methods,
587 const Symbol* name,
588 const Symbol* signature,
589 PrivateLookupMode private_mode = find_private);
590
591 // find a local method (returns NULL if not found)
592 Method* find_local_method(const Symbol* name,
593 const Symbol* signature,
594 OverpassLookupMode overpass_mode,
595 StaticLookupMode static_mode,
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