comparison src/share/vm/oops/instanceKlass.hpp @ 6948:e522a00b91aa

Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
author Doug Simon <doug.simon@oracle.com>
date Mon, 12 Nov 2012 23:14:12 +0100
parents dddcdb7ae209 4735d2c84362
children 2cb439954abf
comparison
equal deleted inserted replaced
6711:ae13cc658b80 6948:e522a00b91aa
23 */ 23 */
24 24
25 #ifndef SHARE_VM_OOPS_INSTANCEKLASS_HPP 25 #ifndef SHARE_VM_OOPS_INSTANCEKLASS_HPP
26 #define SHARE_VM_OOPS_INSTANCEKLASS_HPP 26 #define SHARE_VM_OOPS_INSTANCEKLASS_HPP
27 27
28 #include "oops/constMethodOop.hpp" 28 #include "classfile/classLoaderData.hpp"
29 #include "oops/constantPoolOop.hpp" 29 #include "oops/annotations.hpp"
30 #include "oops/constMethod.hpp"
30 #include "oops/fieldInfo.hpp" 31 #include "oops/fieldInfo.hpp"
31 #include "oops/instanceOop.hpp" 32 #include "oops/instanceOop.hpp"
32 #include "oops/klassOop.hpp"
33 #include "oops/klassVtable.hpp" 33 #include "oops/klassVtable.hpp"
34 #include "oops/objArrayOop.hpp"
35 #include "runtime/handles.hpp" 34 #include "runtime/handles.hpp"
36 #include "runtime/os.hpp" 35 #include "runtime/os.hpp"
37 #include "utilities/accessFlags.hpp" 36 #include "utilities/accessFlags.hpp"
38 #include "utilities/bitMap.inline.hpp" 37 #include "utilities/bitMap.inline.hpp"
39 38
40 // An instanceKlass is the VM level representation of a Java class. 39 // An InstanceKlass is the VM level representation of a Java class.
41 // It contains all information needed for at class at execution runtime. 40 // It contains all information needed for at class at execution runtime.
42 41
43 // instanceKlass layout: 42 // InstanceKlass layout:
44 // [header ] klassOop
45 // [klass pointer ] klassOop
46 // [C++ vtbl pointer ] Klass 43 // [C++ vtbl pointer ] Klass
47 // [subtype cache ] Klass 44 // [subtype cache ] Klass
48 // [instance size ] Klass 45 // [instance size ] Klass
49 // [java mirror ] Klass 46 // [java mirror ] Klass
50 // [super ] Klass 47 // [super ] Klass
96 class FieldClosure: public StackObj { 93 class FieldClosure: public StackObj {
97 public: 94 public:
98 virtual void do_field(fieldDescriptor* fd) = 0; 95 virtual void do_field(fieldDescriptor* fd) = 0;
99 }; 96 };
100 97
101 //#ifndef PRODUCT 98 #ifndef PRODUCT
102 // Print fields. 99 // Print fields.
103 // If "obj" argument to constructor is NULL, prints static fields, otherwise prints non-static fields. 100 // If "obj" argument to constructor is NULL, prints static fields, otherwise prints non-static fields.
104 class FieldPrinter: public FieldClosure { 101 class FieldPrinter: public FieldClosure {
105 oop _obj; 102 oop _obj;
106 outputStream* _st; 103 outputStream* _st;
107 public: 104 public:
108 FieldPrinter(outputStream* st, oop obj = NULL) : _obj(obj), _st(st) {} 105 FieldPrinter(outputStream* st, oop obj = NULL) : _obj(obj), _st(st) {}
109 void do_field(fieldDescriptor* fd); 106 void do_field(fieldDescriptor* fd);
110 }; 107 };
111 //#endif // !PRODUCT 108 #endif // !PRODUCT
112 109
113 // ValueObjs embedded in klass. Describes where oops are located in instances of 110 // ValueObjs embedded in klass. Describes where oops are located in instances of
114 // this klass. 111 // this klass.
115 class OopMapBlock VALUE_OBJ_CLASS_SPEC { 112 class OopMapBlock VALUE_OBJ_CLASS_SPEC {
116 public: 113 public:
131 private: 128 private:
132 int _offset; 129 int _offset;
133 uint _count; 130 uint _count;
134 }; 131 };
135 132
136 class instanceKlass: public Klass { 133 class InstanceKlass: public Klass {
137 friend class VMStructs; 134 friend class VMStructs;
135 friend class ClassFileParser;
136
137 protected:
138 // Constructor
139 InstanceKlass(int vtable_len,
140 int itable_len,
141 int static_field_size,
142 int nonstatic_oop_map_size,
143 ReferenceType rt,
144 AccessFlags access_flags,
145 bool is_anonymous);
138 public: 146 public:
147 static Klass* allocate_instance_klass(ClassLoaderData* loader_data,
148 int vtable_len,
149 int itable_len,
150 int static_field_size,
151 int nonstatic_oop_map_size,
152 ReferenceType rt,
153 AccessFlags access_flags,
154 Symbol* name,
155 Klass* super_klass,
156 KlassHandle host_klass,
157 TRAPS);
158
159 InstanceKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); }
160
139 // See "The Java Virtual Machine Specification" section 2.16.2-5 for a detailed description 161 // See "The Java Virtual Machine Specification" section 2.16.2-5 for a detailed description
140 // of the class loading & initialization procedure, and the use of the states. 162 // of the class loading & initialization procedure, and the use of the states.
141 enum ClassState { 163 enum ClassState {
142 unparsable_by_gc = 0, // object is not yet parsable by gc. Value of _init_state at object allocation.
143 allocated, // allocated (but not yet linked) 164 allocated, // allocated (but not yet linked)
144 loaded, // loaded and inserted in class hierarchy (but not linked yet) 165 loaded, // loaded and inserted in class hierarchy (but not linked yet)
145 linked, // successfully linked/verified (but not initialized yet) 166 linked, // successfully linked/verified (but not initialized yet)
146 being_initialized, // currently running class initializer 167 being_initialized, // currently running class initializer
147 fully_initialized, // initialized (successfull final state) 168 fully_initialized, // initialized (successfull final state)
148 initialization_error // error happened during initialization 169 initialization_error // error happened during initialization
149 }; 170 };
150 171
151 public:
152 oop* oop_block_beg() const { return adr_array_klasses(); }
153 oop* oop_block_end() const { return adr_methods_default_annotations() + 1; }
154
155 protected: 172 protected:
156 //
157 // The oop block. See comment in klass.hpp before making changes.
158 //
159
160 // Array classes holding elements of this class.
161 klassOop _array_klasses;
162 // Method array.
163 objArrayOop _methods;
164 // Int array containing the original order of method in the class file (for
165 // JVMTI).
166 typeArrayOop _method_ordering;
167 // Interface (klassOops) this class declares locally to implement.
168 objArrayOop _local_interfaces;
169 // Interface (klassOops) this class implements transitively.
170 objArrayOop _transitive_interfaces;
171 // Instance and static variable information, starts with 6-tuples of shorts
172 // [access, name index, sig index, initval index, low_offset, high_offset]
173 // for all fields, followed by the generic signature data at the end of
174 // the array. Only fields with generic signature attributes have the generic
175 // signature data set in the array. The fields array looks like following:
176 //
177 // f1: [access, name index, sig index, initial value index, low_offset, high_offset]
178 // f2: [access, name index, sig index, initial value index, low_offset, high_offset]
179 // ...
180 // fn: [access, name index, sig index, initial value index, low_offset, high_offset]
181 // [generic signature index]
182 // [generic signature index]
183 // ...
184 typeArrayOop _fields;
185 // Constant pool for this class.
186 constantPoolOop _constants;
187 // Class loader used to load this class, NULL if VM loader used.
188 oop _class_loader;
189 // Protection domain. 173 // Protection domain.
190 oop _protection_domain; 174 oop _protection_domain;
191 // Class signers. 175 // Class signers.
192 objArrayOop _signers; 176 objArrayOop _signers;
177 // Initialization lock. Must be one per class and it has to be a VM internal
178 // object so java code cannot lock it (like the mirror)
179 // It has to be an object not a Mutex because it's held through java calls.
180 volatile oop _init_lock;
181
182 // Annotations for this class
183 Annotations* _annotations;
184 // Array classes holding elements of this class.
185 Klass* _array_klasses;
186 // Constant pool for this class.
187 ConstantPool* _constants;
193 // The InnerClasses attribute and EnclosingMethod attribute. The 188 // The InnerClasses attribute and EnclosingMethod attribute. The
194 // _inner_classes is an array of shorts. If the class has InnerClasses 189 // _inner_classes is an array of shorts. If the class has InnerClasses
195 // attribute, then the _inner_classes array begins with 4-tuples of shorts 190 // attribute, then the _inner_classes array begins with 4-tuples of shorts
196 // [inner_class_info_index, outer_class_info_index, 191 // [inner_class_info_index, outer_class_info_index,
197 // inner_name_index, inner_class_access_flags] for the InnerClasses 192 // inner_name_index, inner_class_access_flags] for the InnerClasses
199 // last two shorts [class_index, method_index] of the array. If only 194 // last two shorts [class_index, method_index] of the array. If only
200 // the InnerClasses attribute exists, the _inner_classes array length is 195 // the InnerClasses attribute exists, the _inner_classes array length is
201 // number_of_inner_classes * 4. If the class has both InnerClasses 196 // number_of_inner_classes * 4. If the class has both InnerClasses
202 // and EnclosingMethod attributes the _inner_classes array length is 197 // and EnclosingMethod attributes the _inner_classes array length is
203 // number_of_inner_classes * 4 + enclosing_method_attribute_size. 198 // number_of_inner_classes * 4 + enclosing_method_attribute_size.
204 typeArrayOop _inner_classes; 199 Array<jushort>* _inner_classes;
205 // Annotations for this class, or null if none.
206 typeArrayOop _class_annotations;
207 // Annotation objects (byte arrays) for fields, or null if no annotations.
208 // Indices correspond to entries (not indices) in fields array.
209 objArrayOop _fields_annotations;
210 // Annotation objects (byte arrays) for methods, or null if no annotations.
211 // Index is the idnum, which is initially the same as the methods array index.
212 objArrayOop _methods_annotations;
213 // Annotation objects (byte arrays) for methods' parameters, or null if no
214 // such annotations.
215 // Index is the idnum, which is initially the same as the methods array index.
216 objArrayOop _methods_parameter_annotations;
217 // Annotation objects (byte arrays) for methods' default values, or null if no
218 // such annotations.
219 // Index is the idnum, which is initially the same as the methods array index.
220 objArrayOop _methods_default_annotations;
221
222 //
223 // End of the oop block.
224 //
225 200
226 // Name of source file containing this klass, NULL if not specified. 201 // Name of source file containing this klass, NULL if not specified.
227 Symbol* _source_file_name; 202 Symbol* _source_file_name;
228 // the source debug extension for this klass, NULL if not specified. 203 // the source debug extension for this klass, NULL if not specified.
229 // Specified as UTF-8 string without terminating zero byte in the classfile, 204 // Specified as UTF-8 string without terminating zero byte in the classfile,
260 JNIid* _jni_ids; // First JNI identifier for static fields in this class 235 JNIid* _jni_ids; // First JNI identifier for static fields in this class
261 jmethodID* _methods_jmethod_ids; // jmethodIDs corresponding to method_idnum, or NULL if none 236 jmethodID* _methods_jmethod_ids; // jmethodIDs corresponding to method_idnum, or NULL if none
262 int* _methods_cached_itable_indices; // itable_index cache for JNI invoke corresponding to methods idnum, or NULL 237 int* _methods_cached_itable_indices; // itable_index cache for JNI invoke corresponding to methods idnum, or NULL
263 nmethodBucket* _dependencies; // list of dependent nmethods 238 nmethodBucket* _dependencies; // list of dependent nmethods
264 nmethod* _osr_nmethods_head; // Head of list of on-stack replacement nmethods for this class 239 nmethod* _osr_nmethods_head; // Head of list of on-stack replacement nmethods for this class
265 BreakpointInfo* _breakpoints; // bpt lists, managed by methodOop 240 BreakpointInfo* _breakpoints; // bpt lists, managed by Method*
266 // Array of interesting part(s) of the previous version(s) of this 241 // Array of interesting part(s) of the previous version(s) of this
267 // instanceKlass. See PreviousVersionWalker below. 242 // InstanceKlass. See PreviousVersionWalker below.
268 GrowableArray<PreviousVersionNode *>* _previous_versions; 243 GrowableArray<PreviousVersionNode *>* _previous_versions;
269 // JVMTI fields can be moved to their own structure - see 6315920 244 // JVMTI fields can be moved to their own structure - see 6315920
270 unsigned char * _cached_class_file_bytes; // JVMTI: cached class file, before retransformable agent modified it in CFLH 245 unsigned char * _cached_class_file_bytes; // JVMTI: cached class file, before retransformable agent modified it in CFLH
271 jint _cached_class_file_len; // JVMTI: length of above 246 jint _cached_class_file_len; // JVMTI: length of above
272 JvmtiCachedClassFieldMap* _jvmti_cached_class_field_map; // JVMTI: used during heap iteration 247 JvmtiCachedClassFieldMap* _jvmti_cached_class_field_map; // JVMTI: used during heap iteration
248
249 // true if class, superclass, or implemented interfaces have default methods
250 bool _has_default_methods;
251
273 volatile u2 _idnum_allocated_count; // JNI/JVMTI: increments with the addition of methods, old ids don't change 252 volatile u2 _idnum_allocated_count; // JNI/JVMTI: increments with the addition of methods, old ids don't change
253 // Method array.
254 Array<Method*>* _methods;
255 // Interface (Klass*s) this class declares locally to implement.
256 Array<Klass*>* _local_interfaces;
257 // Interface (Klass*s) this class implements transitively.
258 Array<Klass*>* _transitive_interfaces;
259 // Int array containing the original order of method in the class file (for JVMTI).
260 Array<int>* _method_ordering;
261 // Instance and static variable information, starts with 6-tuples of shorts
262 // [access, name index, sig index, initval index, low_offset, high_offset]
263 // for all fields, followed by the generic signature data at the end of
264 // the array. Only fields with generic signature attributes have the generic
265 // signature data set in the array. The fields array looks like following:
266 //
267 // f1: [access, name index, sig index, initial value index, low_offset, high_offset]
268 // f2: [access, name index, sig index, initial value index, low_offset, high_offset]
269 // ...
270 // fn: [access, name index, sig index, initial value index, low_offset, high_offset]
271 // [generic signature index]
272 // [generic signature index]
273 // ...
274 Array<u2>* _fields;
274 275
275 // Class states are defined as ClassState (see above). 276 // Class states are defined as ClassState (see above).
276 // Place the _init_state here to utilize the unused 2-byte after 277 // Place the _init_state here to utilize the unused 2-byte after
277 // _idnum_allocated_count. 278 // _idnum_allocated_count.
278 u1 _init_state; // state of class 279 u1 _init_state; // state of class
286 // embedded implementor of this interface follows here 287 // embedded implementor of this interface follows here
287 // The embedded implementor only exists if the current klass is an 288 // The embedded implementor only exists if the current klass is an
288 // iterface. The possible values of the implementor fall into following 289 // iterface. The possible values of the implementor fall into following
289 // three cases: 290 // three cases:
290 // NULL: no implementor. 291 // NULL: no implementor.
291 // A klassOop that's not itself: one implementor. 292 // A Klass* that's not itself: one implementor.
292 // Itsef: more than one implementors. 293 // Itsef: more than one implementors.
293 // embedded host klass follows here 294 // embedded host klass follows here
294 // The embedded host klass only exists in an anonymous class for 295 // The embedded host klass only exists in an anonymous class for
295 // dynamic language support (JSR 292 enabled). The host class grants 296 // dynamic language support (JSR 292 enabled). The host class grants
296 // its access privileges to this class also. The host class is either 297 // its access privileges to this class also. The host class is either
297 // named, or a previously loaded anonymous class. A non-anonymous class 298 // named, or a previously loaded anonymous class. A non-anonymous class
298 // or an anonymous class loaded through normal classloading does not 299 // or an anonymous class loaded through normal classloading does not
299 // have this embedded field. 300 // have this embedded field.
300 // 301 //
301 302
302 friend class instanceKlassKlass;
303 friend class SystemDictionary; 303 friend class SystemDictionary;
304 304
305 public: 305 public:
306 bool has_nonstatic_fields() const { 306 bool has_nonstatic_fields() const {
307 return (_misc_flags & _misc_has_nonstatic_fields) != 0; 307 return (_misc_flags & _misc_has_nonstatic_fields) != 0;
331 // Java itable 331 // Java itable
332 int itable_length() const { return _itable_len; } 332 int itable_length() const { return _itable_len; }
333 void set_itable_length(int len) { _itable_len = len; } 333 void set_itable_length(int len) { _itable_len = len; }
334 334
335 // array klasses 335 // array klasses
336 klassOop array_klasses() const { return _array_klasses; } 336 Klass* array_klasses() const { return _array_klasses; }
337 void set_array_klasses(klassOop k) { oop_store_without_check((oop*) &_array_klasses, (oop) k); } 337 void set_array_klasses(Klass* k) { _array_klasses = k; }
338 338
339 // methods 339 // methods
340 objArrayOop methods() const { return _methods; } 340 Array<Method*>* methods() const { return _methods; }
341 void set_methods(objArrayOop a) { oop_store_without_check((oop*) &_methods, (oop) a); } 341 void set_methods(Array<Method*>* a) { _methods = a; }
342 methodOop method_with_idnum(int idnum); 342 Method* method_with_idnum(int idnum);
343 343
344 // method ordering 344 // method ordering
345 typeArrayOop method_ordering() const { return _method_ordering; } 345 Array<int>* method_ordering() const { return _method_ordering; }
346 void set_method_ordering(typeArrayOop m) { oop_store_without_check((oop*) &_method_ordering, (oop) m); } 346 void set_method_ordering(Array<int>* m) { _method_ordering = m; }
347 347
348 // interfaces 348 // interfaces
349 objArrayOop local_interfaces() const { return _local_interfaces; } 349 Array<Klass*>* local_interfaces() const { return _local_interfaces; }
350 void set_local_interfaces(objArrayOop a) { oop_store_without_check((oop*) &_local_interfaces, (oop) a); } 350 void set_local_interfaces(Array<Klass*>* a) {
351 objArrayOop transitive_interfaces() const { return _transitive_interfaces; } 351 guarantee(_local_interfaces == NULL || a == NULL, "Just checking");
352 void set_transitive_interfaces(objArrayOop a) { oop_store_without_check((oop*) &_transitive_interfaces, (oop) a); } 352 _local_interfaces = a; }
353 Array<Klass*>* transitive_interfaces() const { return _transitive_interfaces; }
354 void set_transitive_interfaces(Array<Klass*>* a) {
355 guarantee(_transitive_interfaces == NULL || a == NULL, "Just checking");
356 _transitive_interfaces = a; }
353 357
354 private: 358 private:
355 friend class fieldDescriptor; 359 friend class fieldDescriptor;
356 FieldInfo* field(int index) const { return FieldInfo::from_field_array(_fields, index); } 360 FieldInfo* field(int index) const { return FieldInfo::from_field_array(_fields, index); }
357 361
362 Symbol* field_signature (int index) const { return field(index)->signature(constants()); } 366 Symbol* field_signature (int index) const { return field(index)->signature(constants()); }
363 367
364 // Number of Java declared fields 368 // Number of Java declared fields
365 int java_fields_count() const { return (int)_java_fields_count; } 369 int java_fields_count() const { return (int)_java_fields_count; }
366 370
367 typeArrayOop fields() const { return _fields; } 371 Array<u2>* fields() const { return _fields; }
368 372
369 void set_fields(typeArrayOop f, u2 java_fields_count) { 373 void set_fields(Array<u2>* f, u2 java_fields_count) {
370 oop_store_without_check((oop*) &_fields, (oop) f); 374 guarantee(_fields == NULL || f == NULL, "Just checking");
375 _fields = f;
371 _java_fields_count = java_fields_count; 376 _java_fields_count = java_fields_count;
372 } 377 }
373 378
374 // inner classes 379 // inner classes
375 typeArrayOop inner_classes() const { return _inner_classes; } 380 Array<u2>* inner_classes() const { return _inner_classes; }
376 void set_inner_classes(typeArrayOop f) { oop_store_without_check((oop*) &_inner_classes, (oop) f); } 381 void set_inner_classes(Array<u2>* f) { _inner_classes = f; }
377 382
378 enum InnerClassAttributeOffset { 383 enum InnerClassAttributeOffset {
379 // From http://mirror.eng/products/jdk/1.1/docs/guide/innerclasses/spec/innerclasses.doc10.html#18814 384 // From http://mirror.eng/products/jdk/1.1/docs/guide/innerclasses/spec/innerclasses.doc10.html#18814
380 inner_class_inner_class_info_offset = 0, 385 inner_class_inner_class_info_offset = 0,
381 inner_class_outer_class_info_offset = 1, 386 inner_class_outer_class_info_offset = 1,
392 397
393 // method override check 398 // method override check
394 bool is_override(methodHandle super_method, Handle targetclassloader, Symbol* targetclassname, TRAPS); 399 bool is_override(methodHandle super_method, Handle targetclassloader, Symbol* targetclassname, TRAPS);
395 400
396 // package 401 // package
397 bool is_same_class_package(klassOop class2); 402 bool is_same_class_package(Klass* class2);
398 bool is_same_class_package(oop classloader2, Symbol* classname2); 403 bool is_same_class_package(oop classloader2, Symbol* classname2);
399 static bool is_same_class_package(oop class_loader1, Symbol* class_name1, oop class_loader2, Symbol* class_name2); 404 static bool is_same_class_package(oop class_loader1, Symbol* class_name1, oop class_loader2, Symbol* class_name2);
400 405
401 // find an enclosing class (defined where original code was, in jvm.cpp!) 406 // find an enclosing class (defined where original code was, in jvm.cpp!)
402 klassOop compute_enclosing_class(bool* inner_is_member, TRAPS) { 407 Klass* compute_enclosing_class(bool* inner_is_member, TRAPS) {
403 instanceKlassHandle self(THREAD, this->as_klassOop()); 408 instanceKlassHandle self(THREAD, this);
404 return compute_enclosing_class_impl(self, inner_is_member, THREAD); 409 return compute_enclosing_class_impl(self, inner_is_member, THREAD);
405 } 410 }
406 static klassOop compute_enclosing_class_impl(instanceKlassHandle self, 411 static Klass* compute_enclosing_class_impl(instanceKlassHandle self,
407 bool* inner_is_member, TRAPS); 412 bool* inner_is_member, TRAPS);
408 413
409 // tell if two classes have the same enclosing class (at package level) 414 // tell if two classes have the same enclosing class (at package level)
410 bool is_same_package_member(klassOop class2, TRAPS) { 415 bool is_same_package_member(Klass* class2, TRAPS) {
411 instanceKlassHandle self(THREAD, this->as_klassOop()); 416 instanceKlassHandle self(THREAD, this);
412 return is_same_package_member_impl(self, class2, THREAD); 417 return is_same_package_member_impl(self, class2, THREAD);
413 } 418 }
414 static bool is_same_package_member_impl(instanceKlassHandle self, 419 static bool is_same_package_member_impl(instanceKlassHandle self,
415 klassOop class2, TRAPS); 420 Klass* class2, TRAPS);
416 421
417 // initialization state 422 // initialization state
418 bool is_loaded() const { return _init_state >= loaded; } 423 bool is_loaded() const { return _init_state >= loaded; }
419 bool is_linked() const { return _init_state >= linked; } 424 bool is_linked() const { return _init_state >= linked; }
420 bool is_initialized() const { return _init_state == fully_initialized; } 425 bool is_initialized() const { return _init_state == fully_initialized; }
447 void link_class(TRAPS); 452 void link_class(TRAPS);
448 bool link_class_or_fail(TRAPS); // returns false on failure 453 bool link_class_or_fail(TRAPS); // returns false on failure
449 void unlink_class(); 454 void unlink_class();
450 void rewrite_class(TRAPS); 455 void rewrite_class(TRAPS);
451 void relocate_and_link_methods(TRAPS); 456 void relocate_and_link_methods(TRAPS);
452 methodOop class_initializer(); 457 Method* class_initializer();
453 458
454 // set the class to initialized if no static initializer is present 459 // set the class to initialized if no static initializer is present
455 void eager_initialize(Thread *thread); 460 void eager_initialize(Thread *thread);
456 461
457 // reference type 462 // reference type
459 void set_reference_type(ReferenceType t) { 464 void set_reference_type(ReferenceType t) {
460 assert(t == (u1)t, "overflow"); 465 assert(t == (u1)t, "overflow");
461 _reference_type = (u1)t; 466 _reference_type = (u1)t;
462 } 467 }
463 468
464 static ByteSize reference_type_offset() { return in_ByteSize(sizeof(klassOopDesc) + offset_of(instanceKlass, _reference_type)); } 469 static ByteSize reference_type_offset() { return in_ByteSize(offset_of(InstanceKlass, _reference_type)); }
465 470
466 // find local field, returns true if found 471 // find local field, returns true if found
467 bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const; 472 bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
468 // find field in direct superinterfaces, returns the interface in which the field is defined 473 // find field in direct superinterfaces, returns the interface in which the field is defined
469 klassOop find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const; 474 Klass* find_interface_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
470 // find field according to JVM spec 5.4.3.2, returns the klass in which the field is defined 475 // find field according to JVM spec 5.4.3.2, returns the klass in which the field is defined
471 klassOop find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const; 476 Klass* find_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
472 // find instance or static fields according to JVM spec 5.4.3.2, returns the klass in which the field is defined 477 // find instance or static fields according to JVM spec 5.4.3.2, returns the klass in which the field is defined
473 klassOop find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const; 478 Klass* find_field(Symbol* name, Symbol* sig, bool is_static, fieldDescriptor* fd) const;
474 479
475 // find a non-static or static field given its offset within the class. 480 // find a non-static or static field given its offset within the class.
476 bool contains_field_offset(int offset) { 481 bool contains_field_offset(int offset) {
477 return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size()); 482 return instanceOopDesc::contains_field_offset(offset, nonstatic_field_size());
478 } 483 }
479 484
480 bool find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const; 485 bool find_local_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
481 bool find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const; 486 bool find_field_from_offset(int offset, bool is_static, fieldDescriptor* fd) const;
482 487
483 // find a local method (returns NULL if not found) 488 // find a local method (returns NULL if not found)
484 methodOop find_method(Symbol* name, Symbol* signature) const; 489 Method* find_method(Symbol* name, Symbol* signature) const;
485 static methodOop find_method(objArrayOop methods, Symbol* name, Symbol* signature); 490 static Method* find_method(Array<Method*>* methods, Symbol* name, Symbol* signature);
486 491
487 // lookup operation (returns NULL if not found) 492 // lookup operation (returns NULL if not found)
488 methodOop uncached_lookup_method(Symbol* name, Symbol* signature) const; 493 Method* uncached_lookup_method(Symbol* name, Symbol* signature) const;
489 494
490 // lookup a method in all the interfaces that this class implements 495 // lookup a method in all the interfaces that this class implements
491 // (returns NULL if not found) 496 // (returns NULL if not found)
492 methodOop lookup_method_in_all_interfaces(Symbol* name, Symbol* signature) const; 497 Method* lookup_method_in_all_interfaces(Symbol* name, Symbol* signature) const;
498
499 // Find method indices by name. If a method with the specified name is
500 // found the index to the first method is returned, and 'end' is filled in
501 // with the index of first non-name-matching method. If no method is found
502 // -1 is returned.
503 int find_method_by_name(Symbol* name, int* end);
504 static int find_method_by_name(Array<Method*>* methods, Symbol* name, int* end);
493 505
494 // constant pool 506 // constant pool
495 constantPoolOop constants() const { return _constants; } 507 ConstantPool* constants() const { return _constants; }
496 void set_constants(constantPoolOop c) { oop_store_without_check((oop*) &_constants, (oop) c); } 508 void set_constants(ConstantPool* c) { _constants = c; }
497
498 // class loader
499 oop class_loader() const { return _class_loader; }
500 void set_class_loader(oop l) { oop_store((oop*) &_class_loader, l); }
501 509
502 // protection domain 510 // protection domain
503 oop protection_domain() { return _protection_domain; } 511 oop protection_domain() { return _protection_domain; }
504 void set_protection_domain(oop pd) { oop_store((oop*) &_protection_domain, pd); } 512 void set_protection_domain(oop pd) { klass_oop_store(&_protection_domain, pd); }
505 513
506 // host class 514 // host class
507 oop host_klass() const { 515 Klass* host_klass() const {
508 oop* hk = adr_host_klass(); 516 Klass** hk = (Klass**)adr_host_klass();
509 if (hk == NULL) { 517 if (hk == NULL) {
510 return NULL; 518 return NULL;
511 } else { 519 } else {
512 return *hk; 520 return *hk;
513 } 521 }
514 } 522 }
515 void set_host_klass(oop host) { 523 void set_host_klass(Klass* host) {
516 assert(is_anonymous(), "not anonymous"); 524 assert(is_anonymous(), "not anonymous");
517 oop* addr = adr_host_klass(); 525 Klass** addr = (Klass**)adr_host_klass();
518 assert(addr != NULL, "no reversed space"); 526 assert(addr != NULL, "no reversed space");
519 oop_store(addr, host); 527 *addr = host;
520 } 528 }
521 bool is_anonymous() const { 529 bool is_anonymous() const {
522 return (_misc_flags & _misc_is_anonymous) != 0; 530 return (_misc_flags & _misc_is_anonymous) != 0;
523 } 531 }
524 void set_is_anonymous(bool value) { 532 void set_is_anonymous(bool value) {
529 } 537 }
530 } 538 }
531 539
532 // signers 540 // signers
533 objArrayOop signers() const { return _signers; } 541 objArrayOop signers() const { return _signers; }
534 void set_signers(objArrayOop s) { oop_store((oop*) &_signers, oop(s)); } 542 void set_signers(objArrayOop s) { klass_oop_store((oop*)&_signers, s); }
535 543
536 // source file name 544 // source file name
537 Symbol* source_file_name() const { return _source_file_name; } 545 Symbol* source_file_name() const { return _source_file_name; }
538 void set_source_file_name(Symbol* n); 546 void set_source_file_name(Symbol* n);
539 547
576 } 584 }
577 GrowableArray<PreviousVersionNode *>* previous_versions() const { 585 GrowableArray<PreviousVersionNode *>* previous_versions() const {
578 return _previous_versions; 586 return _previous_versions;
579 } 587 }
580 588
589 static void purge_previous_versions(InstanceKlass* ik);
590
581 // JVMTI: Support for caching a class file before it is modified by an agent that can do retransformation 591 // JVMTI: Support for caching a class file before it is modified by an agent that can do retransformation
582 void set_cached_class_file(unsigned char *class_file_bytes, 592 void set_cached_class_file(unsigned char *class_file_bytes,
583 jint class_file_len) { _cached_class_file_len = class_file_len; 593 jint class_file_len) { _cached_class_file_len = class_file_len;
584 _cached_class_file_bytes = class_file_bytes; } 594 _cached_class_file_bytes = class_file_bytes; }
585 jint get_cached_class_file_len() { return _cached_class_file_len; } 595 jint get_cached_class_file_len() { return _cached_class_file_len; }
591 } 601 }
592 JvmtiCachedClassFieldMap* jvmti_cached_class_field_map() const { 602 JvmtiCachedClassFieldMap* jvmti_cached_class_field_map() const {
593 return _jvmti_cached_class_field_map; 603 return _jvmti_cached_class_field_map;
594 } 604 }
595 605
596 // for adding methods, constMethodOopDesc::UNSET_IDNUM means no more ids available 606 bool has_default_methods() const { return _has_default_methods; }
607 void set_has_default_methods(bool b) { _has_default_methods = b; }
608
609 // for adding methods, ConstMethod::UNSET_IDNUM means no more ids available
597 inline u2 next_method_idnum(); 610 inline u2 next_method_idnum();
598 void set_initial_method_idnum(u2 value) { _idnum_allocated_count = value; } 611 void set_initial_method_idnum(u2 value) { _idnum_allocated_count = value; }
599 612
600 // generics support 613 // generics support
601 Symbol* generic_signature() const { return _generic_signature; } 614 Symbol* generic_signature() const { return _generic_signature; }
618 size_t idnum, jmethodID new_id, jmethodID* new_jmeths, 631 size_t idnum, jmethodID new_id, jmethodID* new_jmeths,
619 jmethodID* to_dealloc_id_p, 632 jmethodID* to_dealloc_id_p,
620 jmethodID** to_dealloc_jmeths_p); 633 jmethodID** to_dealloc_jmeths_p);
621 static void get_jmethod_id_length_value(jmethodID* cache, size_t idnum, 634 static void get_jmethod_id_length_value(jmethodID* cache, size_t idnum,
622 size_t *length_p, jmethodID* id_p); 635 size_t *length_p, jmethodID* id_p);
623 jmethodID jmethod_id_or_null(methodOop method); 636 jmethodID jmethod_id_or_null(Method* method);
624 637
625 // cached itable index support 638 // cached itable index support
626 void set_cached_itable_index(size_t idnum, int index); 639 void set_cached_itable_index(size_t idnum, int index);
627 int cached_itable_index(size_t idnum); 640 int cached_itable_index(size_t idnum);
628 641
629 // annotations support 642 // annotations support
630 typeArrayOop class_annotations() const { return _class_annotations; } 643 Annotations* annotations() const { return _annotations; }
631 objArrayOop fields_annotations() const { return _fields_annotations; } 644 void set_annotations(Annotations* anno) { _annotations = anno; }
632 objArrayOop methods_annotations() const { return _methods_annotations; } 645 AnnotationArray* class_annotations() const {
633 objArrayOop methods_parameter_annotations() const { return _methods_parameter_annotations; } 646 if (annotations() == NULL) return NULL;
634 objArrayOop methods_default_annotations() const { return _methods_default_annotations; } 647 return annotations()->class_annotations();
635 void set_class_annotations(typeArrayOop md) { oop_store_without_check((oop*)&_class_annotations, (oop)md); } 648 }
636 void set_fields_annotations(objArrayOop md) { set_annotations(md, &_fields_annotations); } 649 Array<AnnotationArray*>* fields_annotations() const {
637 void set_methods_annotations(objArrayOop md) { set_annotations(md, &_methods_annotations); } 650 if (annotations() == NULL) return NULL;
638 void set_methods_parameter_annotations(objArrayOop md) { set_annotations(md, &_methods_parameter_annotations); } 651 return annotations()->fields_annotations();
639 void set_methods_default_annotations(objArrayOop md) { set_annotations(md, &_methods_default_annotations); } 652 }
640 typeArrayOop get_method_annotations_of(int idnum)
641 { return get_method_annotations_from(idnum, _methods_annotations); }
642 typeArrayOop get_method_parameter_annotations_of(int idnum)
643 { return get_method_annotations_from(idnum, _methods_parameter_annotations); }
644 typeArrayOop get_method_default_annotations_of(int idnum)
645 { return get_method_annotations_from(idnum, _methods_default_annotations); }
646 void set_method_annotations_of(int idnum, typeArrayOop anno)
647 { set_methods_annotations_of(idnum, anno, &_methods_annotations); }
648 void set_method_parameter_annotations_of(int idnum, typeArrayOop anno)
649 { set_methods_annotations_of(idnum, anno, &_methods_parameter_annotations); }
650 void set_method_default_annotations_of(int idnum, typeArrayOop anno)
651 { set_methods_annotations_of(idnum, anno, &_methods_default_annotations); }
652 653
653 // allocation 654 // allocation
654 DEFINE_ALLOCATE_PERMANENT(instanceKlass);
655 instanceOop allocate_instance(TRAPS); 655 instanceOop allocate_instance(TRAPS);
656 instanceOop allocate_permanent_instance(TRAPS);
657 656
658 // additional member function to return a handle 657 // additional member function to return a handle
659 instanceHandle allocate_instance_handle(TRAPS) { return instanceHandle(THREAD, allocate_instance(THREAD)); } 658 instanceHandle allocate_instance_handle(TRAPS) { return instanceHandle(THREAD, allocate_instance(THREAD)); }
660 659
661 objArrayOop allocate_objArray(int n, int length, TRAPS); 660 objArrayOop allocate_objArray(int n, int length, TRAPS);
688 // On-stack replacement support 687 // On-stack replacement support
689 nmethod* osr_nmethods_head() const { return _osr_nmethods_head; }; 688 nmethod* osr_nmethods_head() const { return _osr_nmethods_head; };
690 void set_osr_nmethods_head(nmethod* h) { _osr_nmethods_head = h; }; 689 void set_osr_nmethods_head(nmethod* h) { _osr_nmethods_head = h; };
691 void add_osr_nmethod(nmethod* n); 690 void add_osr_nmethod(nmethod* n);
692 void remove_osr_nmethod(nmethod* n); 691 void remove_osr_nmethod(nmethod* n);
693 nmethod* lookup_osr_nmethod(const methodOop m, int bci, int level, bool match_level) const; 692 nmethod* lookup_osr_nmethod(Method* const m, int bci, int level, bool match_level) const;
694 693
695 // Breakpoint support (see methods on methodOop for details) 694 // Breakpoint support (see methods on Method* for details)
696 BreakpointInfo* breakpoints() const { return _breakpoints; }; 695 BreakpointInfo* breakpoints() const { return _breakpoints; };
697 void set_breakpoints(BreakpointInfo* bps) { _breakpoints = bps; }; 696 void set_breakpoints(BreakpointInfo* bps) { _breakpoints = bps; };
698 697
699 // support for stub routines 698 // support for stub routines
700 static ByteSize init_state_offset() { return in_ByteSize(sizeof(klassOopDesc) + offset_of(instanceKlass, _init_state)); } 699 static ByteSize init_state_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_state)); }
701 TRACE_DEFINE_OFFSET; 700 TRACE_DEFINE_OFFSET;
702 static ByteSize init_thread_offset() { return in_ByteSize(sizeof(klassOopDesc) + offset_of(instanceKlass, _init_thread)); } 701 static ByteSize init_thread_offset() { return in_ByteSize(offset_of(InstanceKlass, _init_thread)); }
703 702
704 // subclass/subinterface checks 703 // subclass/subinterface checks
705 bool implements_interface(klassOop k) const; 704 bool implements_interface(Klass* k) const;
706 705
707 // Access to the implementor of an interface. 706 // Access to the implementor of an interface.
708 klassOop implementor() const 707 Klass* implementor() const
709 { 708 {
710 klassOop* k = (klassOop*)adr_implementor(); 709 Klass** k = adr_implementor();
711 if (k == NULL) { 710 if (k == NULL) {
712 return NULL; 711 return NULL;
713 } else { 712 } else {
714 return *k; 713 return *k;
715 } 714 }
716 } 715 }
717 716
718 void set_implementor(klassOop k) { 717 void set_implementor(Klass* k) {
719 assert(is_interface(), "not interface"); 718 assert(is_interface(), "not interface");
720 oop* addr = adr_implementor(); 719 Klass** addr = adr_implementor();
721 oop_store_without_check(addr, k); 720 *addr = k;
722 } 721 }
723 722
724 int nof_implementors() const { 723 int nof_implementors() const {
725 klassOop k = implementor(); 724 Klass* k = implementor();
726 if (k == NULL) { 725 if (k == NULL) {
727 return 0; 726 return 0;
728 } else if (k != this->as_klassOop()) { 727 } else if (k != this) {
729 return 1; 728 return 1;
730 } else { 729 } else {
731 return 2; 730 return 2;
732 } 731 }
733 } 732 }
734 733
735 void add_implementor(klassOop k); // k is a new class that implements this interface 734 void add_implementor(Klass* k); // k is a new class that implements this interface
736 void init_implementor(); // initialize 735 void init_implementor(); // initialize
737 736
738 // link this class into the implementors list of every interface it implements 737 // link this class into the implementors list of every interface it implements
739 void process_interfaces(Thread *thread); 738 void process_interfaces(Thread *thread);
740 739
741 // virtual operations from Klass 740 // virtual operations from Klass
742 objArrayOop compute_secondary_supers(int num_extra_slots, TRAPS); 741 bool is_leaf_class() const { return _subklass == NULL; }
743 bool compute_is_subtype_of(klassOop k); 742 GrowableArray<Klass*>* compute_secondary_supers(int num_extra_slots);
743 bool compute_is_subtype_of(Klass* k);
744 bool can_be_primary_super_slow() const; 744 bool can_be_primary_super_slow() const;
745 klassOop java_super() const { return super(); }
746 int oop_size(oop obj) const { return size_helper(); } 745 int oop_size(oop obj) const { return size_helper(); }
747 int klass_oop_size() const { return object_size(); }
748 bool oop_is_instance_slow() const { return true; } 746 bool oop_is_instance_slow() const { return true; }
749 747
750 // Iterators 748 // Iterators
751 void do_local_static_fields(FieldClosure* cl); 749 void do_local_static_fields(FieldClosure* cl);
752 void do_nonstatic_fields(FieldClosure* cl); // including inherited fields 750 void do_nonstatic_fields(FieldClosure* cl); // including inherited fields
753 void do_local_static_fields(void f(fieldDescriptor*, TRAPS), TRAPS); 751 void do_local_static_fields(void f(fieldDescriptor*, TRAPS), TRAPS);
754 752
755 void methods_do(void f(methodOop method)); 753 void methods_do(void f(Method* method));
756 void array_klasses_do(void f(klassOop k)); 754 void array_klasses_do(void f(Klass* k));
757 void with_array_klasses_do(void f(klassOop k)); 755 void array_klasses_do(void f(Klass* k, TRAPS), TRAPS);
756 void with_array_klasses_do(void f(Klass* k));
758 bool super_types_do(SuperTypeClosure* blk); 757 bool super_types_do(SuperTypeClosure* blk);
759 758
760 // Casting from klassOop 759 // Casting from Klass*
761 static instanceKlass* cast(klassOop k) { 760 static InstanceKlass* cast(Klass* k) {
762 assert(k->is_klass(), "must be"); 761 assert(k->is_klass(), "must be");
763 Klass* kp = k->klass_part(); 762 assert(k->oop_is_instance(), "cast to InstanceKlass");
764 assert(kp->null_vtbl() || kp->oop_is_instance_slow(), "cast to instanceKlass"); 763 return (InstanceKlass*) k;
765 return (instanceKlass*) kp; 764 }
765
766 InstanceKlass* java_super() const {
767 return (super() == NULL) ? NULL : cast(super());
766 } 768 }
767 769
768 // Sizing (in words) 770 // Sizing (in words)
769 static int header_size() { return align_object_offset(oopDesc::header_size() + sizeof(instanceKlass)/HeapWordSize); } 771 static int header_size() { return align_object_offset(sizeof(InstanceKlass)/HeapWordSize); }
770 772 static int size(int vtable_length, int itable_length,
771 int object_size() const 773 int nonstatic_oop_map_size,
772 { 774 bool is_interface, bool is_anonymous) {
773 return object_size(align_object_offset(vtable_length()) + 775 return align_object_size(header_size() +
774 align_object_offset(itable_length()) + 776 align_object_offset(vtable_length) +
775 ((is_interface() || is_anonymous()) ? 777 align_object_offset(itable_length) +
776 align_object_offset(nonstatic_oop_map_size()) : 778 ((is_interface || is_anonymous) ?
777 nonstatic_oop_map_size()) + 779 align_object_offset(nonstatic_oop_map_size) :
778 (is_interface() ? (int)sizeof(klassOop)/HeapWordSize : 0) + 780 nonstatic_oop_map_size) +
779 (is_anonymous() ? (int)sizeof(klassOop)/HeapWordSize : 0)); 781 (is_interface ? (int)sizeof(Klass*)/HeapWordSize : 0) +
780 } 782 (is_anonymous ? (int)sizeof(Klass*)/HeapWordSize : 0));
783 }
784 int size() const { return size(vtable_length(),
785 itable_length(),
786 nonstatic_oop_map_size(),
787 is_interface(),
788 is_anonymous());
789 }
790
781 static int vtable_start_offset() { return header_size(); } 791 static int vtable_start_offset() { return header_size(); }
782 static int vtable_length_offset() { return oopDesc::header_size() + offset_of(instanceKlass, _vtable_len) / HeapWordSize; } 792 static int vtable_length_offset() { return offset_of(InstanceKlass, _vtable_len) / HeapWordSize; }
783 static int object_size(int extra) { return align_object_size(header_size() + extra); } 793
784 794 intptr_t* start_of_vtable() const { return ((intptr_t*)this) + vtable_start_offset(); }
785 intptr_t* start_of_vtable() const { return ((intptr_t*)as_klassOop()) + vtable_start_offset(); }
786 intptr_t* start_of_itable() const { return start_of_vtable() + align_object_offset(vtable_length()); } 795 intptr_t* start_of_itable() const { return start_of_vtable() + align_object_offset(vtable_length()); }
787 int itable_offset_in_words() const { return start_of_itable() - (intptr_t*)as_klassOop(); } 796 int itable_offset_in_words() const { return start_of_itable() - (intptr_t*)this; }
788 797
789 intptr_t* end_of_itable() const { return start_of_itable() + itable_length(); } 798 intptr_t* end_of_itable() const { return start_of_itable() + itable_length(); }
790 799
791 address static_field_addr(int offset); 800 address static_field_addr(int offset);
792 801
793 OopMapBlock* start_of_nonstatic_oop_maps() const { 802 OopMapBlock* start_of_nonstatic_oop_maps() const {
794 return (OopMapBlock*)(start_of_itable() + align_object_offset(itable_length())); 803 return (OopMapBlock*)(start_of_itable() + align_object_offset(itable_length()));
795 } 804 }
796 805
797 oop* adr_implementor() const { 806 Klass** adr_implementor() const {
798 if (is_interface()) { 807 if (is_interface()) {
799 return (oop*)(start_of_nonstatic_oop_maps() + 808 return (Klass**)(start_of_nonstatic_oop_maps() +
800 nonstatic_oop_map_count()); 809 nonstatic_oop_map_count());
801 } else { 810 } else {
802 return NULL; 811 return NULL;
803 } 812 }
804 }; 813 };
805 814
806 oop* adr_host_klass() const { 815 Klass** adr_host_klass() const {
807 if (is_anonymous()) { 816 if (is_anonymous()) {
808 oop* adr_impl = adr_implementor(); 817 Klass** adr_impl = adr_implementor();
809 if (adr_impl != NULL) { 818 if (adr_impl != NULL) {
810 return adr_impl + 1; 819 return adr_impl + 1;
811 } else { 820 } else {
812 return (oop*)(start_of_nonstatic_oop_maps() + 821 return (Klass**)(start_of_nonstatic_oop_maps() +
813 nonstatic_oop_map_count()); 822 nonstatic_oop_map_count());
814 } 823 }
815 } else { 824 } else {
816 return NULL; 825 return NULL;
817 } 826 }
836 return !layout_helper_needs_slow_path(layout_helper()); 845 return !layout_helper_needs_slow_path(layout_helper());
837 } 846 }
838 847
839 // Java vtable/itable 848 // Java vtable/itable
840 klassVtable* vtable() const; // return new klassVtable wrapper 849 klassVtable* vtable() const; // return new klassVtable wrapper
841 inline methodOop method_at_vtable(int index); 850 inline Method* method_at_vtable(int index);
842 klassItable* itable() const; // return new klassItable wrapper 851 klassItable* itable() const; // return new klassItable wrapper
843 methodOop method_at_itable(klassOop holder, int index, TRAPS); 852 Method* method_at_itable(Klass* holder, int index, TRAPS);
844 853
845 // Garbage collection 854 // Garbage collection
855 virtual void oops_do(OopClosure* cl);
856
846 void oop_follow_contents(oop obj); 857 void oop_follow_contents(oop obj);
847 int oop_adjust_pointers(oop obj); 858 int oop_adjust_pointers(oop obj);
848 bool object_is_parsable() const { return _init_state != unparsable_by_gc; } 859
849 // Value of _init_state must be zero (unparsable_by_gc) when klass field is set. 860 void clean_implementors_list(BoolObjectClosure* is_alive);
850 861 void clean_method_data(BoolObjectClosure* is_alive);
851 void follow_weak_klass_links( 862
852 BoolObjectClosure* is_alive, OopClosure* keep_alive); 863 // Explicit metaspace deallocation of fields
864 // For RedefineClasses, we need to deallocate instanceKlasses
865 void deallocate_contents(ClassLoaderData* loader_data);
866
867 // The constant pool is on stack if any of the methods are executing or
868 // referenced by handles.
869 bool on_stack() const { return _constants->on_stack(); }
870
853 void release_C_heap_structures(); 871 void release_C_heap_structures();
854 872
855 // Parallel Scavenge and Parallel Old 873 // Parallel Scavenge and Parallel Old
856 PARALLEL_GC_DECLS 874 PARALLEL_GC_DECLS
857 875
858 // Naming 876 // Naming
859 const char* signature_name() const; 877 const char* signature_name() const;
860 878
861 // Iterators 879 // Iterators
862 int oop_oop_iterate(oop obj, OopClosure* blk) { 880 int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) {
863 return oop_oop_iterate_v(obj, blk); 881 return oop_oop_iterate_v(obj, blk);
864 } 882 }
865 883
866 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) { 884 int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) {
867 return oop_oop_iterate_v_m(obj, blk, mr); 885 return oop_oop_iterate_v_m(obj, blk, mr);
868 } 886 }
869 887
870 #define InstanceKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \ 888 #define InstanceKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \
871 int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \ 889 int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \
881 899
882 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL) 900 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
883 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL) 901 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
884 #endif // !SERIALGC 902 #endif // !SERIALGC
885 903
904 u2 idnum_allocated_count() const { return _idnum_allocated_count; }
886 private: 905 private:
887 // initialization state 906 // initialization state
888 #ifdef ASSERT 907 #ifdef ASSERT
889 void set_init_state(ClassState state); 908 void set_init_state(ClassState state);
890 #else 909 #else
891 void set_init_state(ClassState state) { _init_state = (u1)state; } 910 void set_init_state(ClassState state) { _init_state = (u1)state; }
892 #endif 911 #endif
893 void set_rewritten() { _misc_flags |= _misc_rewritten; } 912 void set_rewritten() { _misc_flags |= _misc_rewritten; }
894 void set_init_thread(Thread *thread) { _init_thread = thread; } 913 void set_init_thread(Thread *thread) { _init_thread = thread; }
895 914
896 u2 idnum_allocated_count() const { return _idnum_allocated_count; }
897 // The RedefineClasses() API can cause new method idnums to be needed 915 // The RedefineClasses() API can cause new method idnums to be needed
898 // which will cause the caches to grow. Safety requires different 916 // which will cause the caches to grow. Safety requires different
899 // cache management logic if the caches can grow instead of just 917 // cache management logic if the caches can grow instead of just
900 // going from NULL to non-NULL. 918 // going from NULL to non-NULL.
901 bool idnum_can_increment() const { return has_been_redefined(); } 919 bool idnum_can_increment() const { return has_been_redefined(); }
907 int* methods_cached_itable_indices_acquire() const 925 int* methods_cached_itable_indices_acquire() const
908 { return (int*)OrderAccess::load_ptr_acquire(&_methods_cached_itable_indices); } 926 { return (int*)OrderAccess::load_ptr_acquire(&_methods_cached_itable_indices); }
909 void release_set_methods_cached_itable_indices(int* indices) 927 void release_set_methods_cached_itable_indices(int* indices)
910 { OrderAccess::release_store_ptr(&_methods_cached_itable_indices, indices); } 928 { OrderAccess::release_store_ptr(&_methods_cached_itable_indices, indices); }
911 929
912 inline typeArrayOop get_method_annotations_from(int idnum, objArrayOop annos); 930 // Lock during initialization
913 void set_annotations(objArrayOop md, objArrayOop* md_p) { oop_store_without_check((oop*)md_p, (oop)md); } 931 volatile oop init_lock() const;
914 void set_methods_annotations_of(int idnum, typeArrayOop anno, objArrayOop* md_p); 932 void set_init_lock(oop value) { klass_oop_store(&_init_lock, value); }
933 void fence_and_clear_init_lock(); // after fully_initialized
915 934
916 // Offsets for memory management 935 // Offsets for memory management
917 oop* adr_array_klasses() const { return (oop*)&this->_array_klasses;}
918 oop* adr_methods() const { return (oop*)&this->_methods;}
919 oop* adr_method_ordering() const { return (oop*)&this->_method_ordering;}
920 oop* adr_local_interfaces() const { return (oop*)&this->_local_interfaces;}
921 oop* adr_transitive_interfaces() const { return (oop*)&this->_transitive_interfaces;}
922 oop* adr_fields() const { return (oop*)&this->_fields;}
923 oop* adr_constants() const { return (oop*)&this->_constants;}
924 oop* adr_class_loader() const { return (oop*)&this->_class_loader;}
925 oop* adr_protection_domain() const { return (oop*)&this->_protection_domain;} 936 oop* adr_protection_domain() const { return (oop*)&this->_protection_domain;}
926 oop* adr_signers() const { return (oop*)&this->_signers;} 937 oop* adr_signers() const { return (oop*)&this->_signers;}
927 oop* adr_inner_classes() const { return (oop*)&this->_inner_classes;} 938 oop* adr_init_lock() const { return (oop*)&this->_init_lock;}
928 oop* adr_methods_jmethod_ids() const { return (oop*)&this->_methods_jmethod_ids;}
929 oop* adr_methods_cached_itable_indices() const { return (oop*)&this->_methods_cached_itable_indices;}
930 oop* adr_class_annotations() const { return (oop*)&this->_class_annotations;}
931 oop* adr_fields_annotations() const { return (oop*)&this->_fields_annotations;}
932 oop* adr_methods_annotations() const { return (oop*)&this->_methods_annotations;}
933 oop* adr_methods_parameter_annotations() const { return (oop*)&this->_methods_parameter_annotations;}
934 oop* adr_methods_default_annotations() const { return (oop*)&this->_methods_default_annotations;}
935 939
936 // Static methods that are used to implement member methods where an exposed this pointer 940 // Static methods that are used to implement member methods where an exposed this pointer
937 // is needed due to possible GCs 941 // is needed due to possible GCs
938 static bool link_class_impl (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS); 942 static bool link_class_impl (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS);
939 static bool verify_code (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS); 943 static bool verify_code (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS);
940 static void initialize_impl (instanceKlassHandle this_oop, TRAPS); 944 static void initialize_impl (instanceKlassHandle this_oop, TRAPS);
941 static void eager_initialize_impl (instanceKlassHandle this_oop); 945 static void eager_initialize_impl (instanceKlassHandle this_oop);
942 static void set_initialization_state_and_notify_impl (instanceKlassHandle this_oop, ClassState state, TRAPS); 946 static void set_initialization_state_and_notify_impl (instanceKlassHandle this_oop, ClassState state, TRAPS);
943 static void call_class_initializer_impl (instanceKlassHandle this_oop, TRAPS); 947 static void call_class_initializer_impl (instanceKlassHandle this_oop, TRAPS);
944 static klassOop array_klass_impl (instanceKlassHandle this_oop, bool or_null, int n, TRAPS); 948 static Klass* array_klass_impl (instanceKlassHandle this_oop, bool or_null, int n, TRAPS);
945 static void do_local_static_fields_impl (instanceKlassHandle this_oop, void f(fieldDescriptor* fd, TRAPS), TRAPS); 949 static void do_local_static_fields_impl (instanceKlassHandle this_oop, void f(fieldDescriptor* fd, TRAPS), TRAPS);
946 /* jni_id_for_impl for jfieldID only */ 950 /* jni_id_for_impl for jfieldID only */
947 static JNIid* jni_id_for_impl (instanceKlassHandle this_oop, int offset); 951 static JNIid* jni_id_for_impl (instanceKlassHandle this_oop, int offset);
948 952
949 // Returns the array class for the n'th dimension 953 // Returns the array class for the n'th dimension
950 klassOop array_klass_impl(bool or_null, int n, TRAPS); 954 Klass* array_klass_impl(bool or_null, int n, TRAPS);
951 955
952 // Returns the array class with this class as element type 956 // Returns the array class with this class as element type
953 klassOop array_klass_impl(bool or_null, TRAPS); 957 Klass* array_klass_impl(bool or_null, TRAPS);
954 958
955 public: 959 public:
956 // sharing support 960 // CDS support - remove and restore oops from metadata. Oops are not shared.
957 virtual void remove_unshareable_info(); 961 virtual void remove_unshareable_info();
958 virtual void shared_symbols_iterate(SymbolClosure* closure); 962 virtual void restore_unshareable_info(TRAPS);
959 963
960 // jvm support 964 // jvm support
961 jint compute_modifier_flags(TRAPS) const; 965 jint compute_modifier_flags(TRAPS) const;
962 966
963 public: 967 public:
964 // JVMTI support 968 // JVMTI support
965 jint jvmti_class_status() const; 969 jint jvmti_class_status() const;
966 970
967 public: 971 public:
968 // Printing 972 // Printing
973 #ifndef PRODUCT
974 void print_on(outputStream* st) const;
975 #endif
976 void print_value_on(outputStream* st) const;
977
969 void oop_print_value_on(oop obj, outputStream* st); 978 void oop_print_value_on(oop obj, outputStream* st);
970 979 #ifndef PRODUCT
971 void oop_print_on (oop obj, outputStream* st); 980 void oop_print_on (oop obj, outputStream* st);
972 981
973 void print_dependent_nmethods(bool verbose = false); 982 void print_dependent_nmethods(bool verbose = false);
974 bool is_dependent_nmethod(nmethod* nm); 983 bool is_dependent_nmethod(nmethod* nm);
984 #endif
985
986 const char* internal_name() const;
975 987
976 // Verification 988 // Verification
977 const char* internal_name() const; 989 void verify_on(outputStream* st);
990
978 void oop_verify_on(oop obj, outputStream* st); 991 void oop_verify_on(oop obj, outputStream* st);
979 }; 992 };
980 993
981 inline methodOop instanceKlass::method_at_vtable(int index) { 994 inline Method* InstanceKlass::method_at_vtable(int index) {
982 #ifndef PRODUCT 995 #ifndef PRODUCT
983 assert(index >= 0, "valid vtable index"); 996 assert(index >= 0, "valid vtable index");
984 if (DebugVtables) { 997 if (DebugVtables) {
985 verify_vtable_index(index); 998 verify_vtable_index(index);
986 } 999 }
987 #endif 1000 #endif
988 vtableEntry* ve = (vtableEntry*)start_of_vtable(); 1001 vtableEntry* ve = (vtableEntry*)start_of_vtable();
989 return ve[index].method(); 1002 return ve[index].method();
990 } 1003 }
991 1004
992 inline typeArrayOop instanceKlass::get_method_annotations_from(int idnum, objArrayOop annos) {
993 if (annos == NULL || annos->length() <= idnum) {
994 return NULL;
995 }
996 return typeArrayOop(annos->obj_at(idnum));
997 }
998
999 // for adding methods 1005 // for adding methods
1000 // UNSET_IDNUM return means no more ids available 1006 // UNSET_IDNUM return means no more ids available
1001 inline u2 instanceKlass::next_method_idnum() { 1007 inline u2 InstanceKlass::next_method_idnum() {
1002 if (_idnum_allocated_count == constMethodOopDesc::MAX_IDNUM) { 1008 if (_idnum_allocated_count == ConstMethod::MAX_IDNUM) {
1003 return constMethodOopDesc::UNSET_IDNUM; // no more ids available 1009 return ConstMethod::UNSET_IDNUM; // no more ids available
1004 } else { 1010 } else {
1005 return _idnum_allocated_count++; 1011 return _idnum_allocated_count++;
1006 } 1012 }
1007 } 1013 }
1008 1014
1009 1015
1010 /* JNIid class for jfieldIDs only */ 1016 /* JNIid class for jfieldIDs only */
1011 class JNIid: public CHeapObj<mtClass> { 1017 class JNIid: public CHeapObj<mtClass> {
1012 friend class VMStructs; 1018 friend class VMStructs;
1013 private: 1019 private:
1014 klassOop _holder; 1020 Klass* _holder;
1015 JNIid* _next; 1021 JNIid* _next;
1016 int _offset; 1022 int _offset;
1017 #ifdef ASSERT 1023 #ifdef ASSERT
1018 bool _is_static_field_id; 1024 bool _is_static_field_id;
1019 #endif 1025 #endif
1020 1026
1021 public: 1027 public:
1022 // Accessors 1028 // Accessors
1023 klassOop holder() const { return _holder; } 1029 Klass* holder() const { return _holder; }
1024 int offset() const { return _offset; } 1030 int offset() const { return _offset; }
1025 JNIid* next() { return _next; } 1031 JNIid* next() { return _next; }
1026 // Constructor 1032 // Constructor
1027 JNIid(klassOop holder, int offset, JNIid* next); 1033 JNIid(Klass* holder, int offset, JNIid* next);
1028 // Identifier lookup 1034 // Identifier lookup
1029 JNIid* find(int offset); 1035 JNIid* find(int offset);
1030 1036
1031 bool find_local_field(fieldDescriptor* fd) { 1037 bool find_local_field(fieldDescriptor* fd) {
1032 return instanceKlass::cast(holder())->find_local_field_from_offset(offset(), true, fd); 1038 return InstanceKlass::cast(holder())->find_local_field_from_offset(offset(), true, fd);
1033 } 1039 }
1034 1040
1035 // Garbage collection support
1036 oop* holder_addr() { return (oop*)&_holder; }
1037 void oops_do(OopClosure* f);
1038 static void deallocate(JNIid* id); 1041 static void deallocate(JNIid* id);
1039 // Debugging 1042 // Debugging
1040 #ifdef ASSERT 1043 #ifdef ASSERT
1041 bool is_static_field_id() const { return _is_static_field_id; } 1044 bool is_static_field_id() const { return _is_static_field_id; }
1042 void set_is_static_field_id() { _is_static_field_id = true; } 1045 void set_is_static_field_id() { _is_static_field_id = true; }
1043 #endif 1046 #endif
1044 void verify(klassOop holder); 1047 void verify(Klass* holder);
1045 }; 1048 };
1046 1049
1047 1050
1048 // If breakpoints are more numerous than just JVMTI breakpoints, 1051 // If breakpoints are more numerous than just JVMTI breakpoints,
1049 // consider compressing this data structure. 1052 // consider compressing this data structure.
1050 // It is currently a simple linked list defined in methodOop.hpp. 1053 // It is currently a simple linked list defined in method.hpp.
1051 1054
1052 class BreakpointInfo; 1055 class BreakpointInfo;
1053 1056
1054 1057
1055 // A collection point for interesting information about the previous 1058 // A collection point for interesting information about the previous
1056 // version(s) of an instanceKlass. This class uses weak references to 1059 // version(s) of an InstanceKlass. This class uses weak references to
1057 // the information so that the information may be collected as needed 1060 // the information so that the information may be collected as needed
1058 // by the system. If the information is shared, then a regular 1061 // by the system. If the information is shared, then a regular
1059 // reference must be used because a weak reference would be seen as 1062 // reference must be used because a weak reference would be seen as
1060 // collectible. A GrowableArray of PreviousVersionNodes is attached 1063 // collectible. A GrowableArray of PreviousVersionNodes is attached
1061 // to the instanceKlass as needed. See PreviousVersionWalker below. 1064 // to the InstanceKlass as needed. See PreviousVersionWalker below.
1062 class PreviousVersionNode : public CHeapObj<mtClass> { 1065 class PreviousVersionNode : public CHeapObj<mtClass> {
1063 private: 1066 private:
1064 // A shared ConstantPool is never collected so we'll always have 1067 // A shared ConstantPool is never collected so we'll always have
1065 // a reference to it so we can update items in the cache. We'll 1068 // a reference to it so we can update items in the cache. We'll
1066 // have a weak reference to a non-shared ConstantPool until all 1069 // have a weak reference to a non-shared ConstantPool until all
1067 // of the methods (EMCP or obsolete) have been collected; the 1070 // of the methods (EMCP or obsolete) have been collected; the
1068 // non-shared ConstantPool becomes collectible at that point. 1071 // non-shared ConstantPool becomes collectible at that point.
1069 jobject _prev_constant_pool; // regular or weak reference 1072 ConstantPool* _prev_constant_pool; // regular or weak reference
1070 bool _prev_cp_is_weak; // true if not a shared ConstantPool 1073 bool _prev_cp_is_weak; // true if not a shared ConstantPool
1071 1074
1072 // If the previous version of the instanceKlass doesn't have any 1075 // If the previous version of the InstanceKlass doesn't have any
1073 // EMCP methods, then _prev_EMCP_methods will be NULL. If all the 1076 // EMCP methods, then _prev_EMCP_methods will be NULL. If all the
1074 // EMCP methods have been collected, then _prev_EMCP_methods can 1077 // EMCP methods have been collected, then _prev_EMCP_methods can
1075 // have a length of zero. 1078 // have a length of zero.
1076 GrowableArray<jweak>* _prev_EMCP_methods; 1079 GrowableArray<Method*>* _prev_EMCP_methods;
1077 1080
1078 public: 1081 public:
1079 PreviousVersionNode(jobject prev_constant_pool, bool prev_cp_is_weak, 1082 PreviousVersionNode(ConstantPool* prev_constant_pool, bool prev_cp_is_weak,
1080 GrowableArray<jweak>* prev_EMCP_methods); 1083 GrowableArray<Method*>* prev_EMCP_methods);
1081 ~PreviousVersionNode(); 1084 ~PreviousVersionNode();
1082 jobject prev_constant_pool() const { 1085 ConstantPool* prev_constant_pool() const {
1083 return _prev_constant_pool; 1086 return _prev_constant_pool;
1084 } 1087 }
1085 GrowableArray<jweak>* prev_EMCP_methods() const { 1088 GrowableArray<Method*>* prev_EMCP_methods() const {
1086 return _prev_EMCP_methods; 1089 return _prev_EMCP_methods;
1087 } 1090 }
1088 }; 1091 };
1089 1092
1090 1093
1091 // A Handle-ized version of PreviousVersionNode. 1094 // A Handle-ized version of PreviousVersionNode.
1092 class PreviousVersionInfo : public ResourceObj { 1095 class PreviousVersionInfo : public ResourceObj {
1093 private: 1096 private:
1094 constantPoolHandle _prev_constant_pool_handle; 1097 constantPoolHandle _prev_constant_pool_handle;
1095 // If the previous version of the instanceKlass doesn't have any 1098 // If the previous version of the InstanceKlass doesn't have any
1096 // EMCP methods, then _prev_EMCP_methods will be NULL. Since the 1099 // EMCP methods, then _prev_EMCP_methods will be NULL. Since the
1097 // methods cannot be collected while we hold a handle, 1100 // methods cannot be collected while we hold a handle,
1098 // _prev_EMCP_methods should never have a length of zero. 1101 // _prev_EMCP_methods should never have a length of zero.
1099 GrowableArray<methodHandle>* _prev_EMCP_method_handles; 1102 GrowableArray<methodHandle>* _prev_EMCP_method_handles;
1100 1103
1133 1136
1134 // A pointer to the current info object so we can handle the deletes. 1137 // A pointer to the current info object so we can handle the deletes.
1135 PreviousVersionInfo * _current_p; 1138 PreviousVersionInfo * _current_p;
1136 1139
1137 public: 1140 public:
1138 PreviousVersionWalker(instanceKlass *ik); 1141 PreviousVersionWalker(InstanceKlass *ik);
1139 ~PreviousVersionWalker(); 1142 ~PreviousVersionWalker();
1140 1143
1141 // Return the interesting information for the next previous version 1144 // Return the interesting information for the next previous version
1142 // of the klass. Returns NULL if there are no more previous versions. 1145 // of the klass. Returns NULL if there are no more previous versions.
1143 PreviousVersionInfo* next_previous_version(); 1146 PreviousVersionInfo* next_previous_version();
1174 void set_next(nmethodBucket* b) { _next = b; } 1177 void set_next(nmethodBucket* b) { _next = b; }
1175 nmethod* get_nmethod() { return _nmethod; } 1178 nmethod* get_nmethod() { return _nmethod; }
1176 }; 1179 };
1177 1180
1178 // An iterator that's used to access the inner classes indices in the 1181 // An iterator that's used to access the inner classes indices in the
1179 // instanceKlass::_inner_classes array. 1182 // InstanceKlass::_inner_classes array.
1180 class InnerClassesIterator : public StackObj { 1183 class InnerClassesIterator : public StackObj {
1181 private: 1184 private:
1182 typeArrayHandle _inner_classes; 1185 Array<jushort>* _inner_classes;
1183 int _length; 1186 int _length;
1184 int _idx; 1187 int _idx;
1185 public: 1188 public:
1186 1189
1187 InnerClassesIterator(instanceKlassHandle k) { 1190 InnerClassesIterator(instanceKlassHandle k) {
1191 // The inner class array's length should be the multiple of 1194 // The inner class array's length should be the multiple of
1192 // inner_class_next_offset if it only contains the InnerClasses 1195 // inner_class_next_offset if it only contains the InnerClasses
1193 // attribute data, or it should be 1196 // attribute data, or it should be
1194 // n*inner_class_next_offset+enclosing_method_attribute_size 1197 // n*inner_class_next_offset+enclosing_method_attribute_size
1195 // if it also contains the EnclosingMethod data. 1198 // if it also contains the EnclosingMethod data.
1196 assert((_length % instanceKlass::inner_class_next_offset == 0 || 1199 assert((_length % InstanceKlass::inner_class_next_offset == 0 ||
1197 _length % instanceKlass::inner_class_next_offset == instanceKlass::enclosing_method_attribute_size), 1200 _length % InstanceKlass::inner_class_next_offset == InstanceKlass::enclosing_method_attribute_size),
1198 "just checking"); 1201 "just checking");
1199 // Remove the enclosing_method portion if exists. 1202 // Remove the enclosing_method portion if exists.
1200 if (_length % instanceKlass::inner_class_next_offset == instanceKlass::enclosing_method_attribute_size) { 1203 if (_length % InstanceKlass::inner_class_next_offset == InstanceKlass::enclosing_method_attribute_size) {
1201 _length -= instanceKlass::enclosing_method_attribute_size; 1204 _length -= InstanceKlass::enclosing_method_attribute_size;
1202 } 1205 }
1203 } else { 1206 } else {
1204 _length = 0; 1207 _length = 0;
1205 } 1208 }
1206 _idx = 0; 1209 _idx = 0;
1209 int length() const { 1212 int length() const {
1210 return _length; 1213 return _length;
1211 } 1214 }
1212 1215
1213 void next() { 1216 void next() {
1214 _idx += instanceKlass::inner_class_next_offset; 1217 _idx += InstanceKlass::inner_class_next_offset;
1215 } 1218 }
1216 1219
1217 bool done() const { 1220 bool done() const {
1218 return (_idx >= _length); 1221 return (_idx >= _length);
1219 } 1222 }
1220 1223
1221 u2 inner_class_info_index() const { 1224 u2 inner_class_info_index() const {
1222 return _inner_classes->ushort_at( 1225 return _inner_classes->at(
1223 _idx + instanceKlass::inner_class_inner_class_info_offset); 1226 _idx + InstanceKlass::inner_class_inner_class_info_offset);
1224 } 1227 }
1225 1228
1226 void set_inner_class_info_index(u2 index) { 1229 void set_inner_class_info_index(u2 index) {
1227 _inner_classes->ushort_at_put( 1230 _inner_classes->at_put(
1228 _idx + instanceKlass::inner_class_inner_class_info_offset, index); 1231 _idx + InstanceKlass::inner_class_inner_class_info_offset, index);
1229 } 1232 }
1230 1233
1231 u2 outer_class_info_index() const { 1234 u2 outer_class_info_index() const {
1232 return _inner_classes->ushort_at( 1235 return _inner_classes->at(
1233 _idx + instanceKlass::inner_class_outer_class_info_offset); 1236 _idx + InstanceKlass::inner_class_outer_class_info_offset);
1234 } 1237 }
1235 1238
1236 void set_outer_class_info_index(u2 index) { 1239 void set_outer_class_info_index(u2 index) {
1237 _inner_classes->ushort_at_put( 1240 _inner_classes->at_put(
1238 _idx + instanceKlass::inner_class_outer_class_info_offset, index); 1241 _idx + InstanceKlass::inner_class_outer_class_info_offset, index);
1239 } 1242 }
1240 1243
1241 u2 inner_name_index() const { 1244 u2 inner_name_index() const {
1242 return _inner_classes->ushort_at( 1245 return _inner_classes->at(
1243 _idx + instanceKlass::inner_class_inner_name_offset); 1246 _idx + InstanceKlass::inner_class_inner_name_offset);
1244 } 1247 }
1245 1248
1246 void set_inner_name_index(u2 index) { 1249 void set_inner_name_index(u2 index) {
1247 _inner_classes->ushort_at_put( 1250 _inner_classes->at_put(
1248 _idx + instanceKlass::inner_class_inner_name_offset, index); 1251 _idx + InstanceKlass::inner_class_inner_name_offset, index);
1249 } 1252 }
1250 1253
1251 u2 inner_access_flags() const { 1254 u2 inner_access_flags() const {
1252 return _inner_classes->ushort_at( 1255 return _inner_classes->at(
1253 _idx + instanceKlass::inner_class_access_flags_offset); 1256 _idx + InstanceKlass::inner_class_access_flags_offset);
1254 } 1257 }
1255 }; 1258 };
1256 1259
1257 #endif // SHARE_VM_OOPS_INSTANCEKLASS_HPP 1260 #endif // SHARE_VM_OOPS_INSTANCEKLASS_HPP