1 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_CLASSFILE_JAVACLASSES_HPP
26 #define SHARE_VM_CLASSFILE_JAVACLASSES_HPP
27
28 #include "classfile/systemDictionary.hpp"
29 #include "jvmtifiles/jvmti.h"
30 #include "oops/oop.hpp"
31 #include "runtime/os.hpp"
32 #include "utilities/utf8.hpp"
33
34 // Interface for manipulating the basic Java classes.
35 //
36 // All dependencies on layout of actual Java classes should be kept here.
37 // If the layout of any of the classes above changes the offsets must be adjusted.
38 //
39 // For most classes we hardwire the offsets for performance reasons. In certain
40 // cases (e.g. java.security.AccessControlContext) we compute the offsets at
41 // startup since the layout here differs between JDK1.2 and JDK1.3.
42 //
43 // Note that fields (static and non-static) are arranged with oops before non-oops
44 // on a per class basis. The offsets below have to reflect this ordering.
45 //
46 // When editing the layouts please update the check_offset verification code
47 // correspondingly. The names in the enums must be identical to the actual field
48 // names in order for the verification code to work.
49
50
51 // Interface to java.lang.String objects
52
53 class java_lang_String : AllStatic {
54 private:
55 static int value_offset;
56 static int offset_offset;
57 static int count_offset;
58 static int hash_offset;
59
60 static bool initialized;
61
62 static Handle basic_create(int length, TRAPS);
63
64 static void set_value( oop string, typeArrayOop buffer) {
65 assert(initialized, "Must be initialized");
66 string->obj_field_put(value_offset, (oop)buffer);
67 }
68 static void set_offset(oop string, int offset) {
69 assert(initialized, "Must be initialized");
70 if (offset_offset > 0) {
71 string->int_field_put(offset_offset, offset);
72 }
73 }
74 static void set_count( oop string, int count) {
75 assert(initialized, "Must be initialized");
76 if (count_offset > 0) {
77 string->int_field_put(count_offset, count);
78 }
79 }
80
81 public:
82 static void compute_offsets();
83
84 // Instance creation
85 static Handle create_from_unicode(jchar* unicode, int len, TRAPS);
86 static oop create_oop_from_unicode(jchar* unicode, int len, TRAPS);
87 static Handle create_from_str(const char* utf8_str, TRAPS);
88 static oop create_oop_from_str(const char* utf8_str, TRAPS);
89 static Handle create_from_symbol(Symbol* symbol, TRAPS);
90 static Handle create_from_platform_dependent_str(const char* str, TRAPS);
91 static Handle char_converter(Handle java_string, jchar from_char, jchar to_char, TRAPS);
92
93 static bool has_offset_field() {
94 assert(initialized, "Must be initialized");
95 return (offset_offset > 0);
96 }
97
98 static bool has_count_field() {
99 assert(initialized, "Must be initialized");
100 return (count_offset > 0);
101 }
102
103 static bool has_hash_field() {
104 assert(initialized, "Must be initialized");
105 return (hash_offset > 0);
106 }
107
108 static int value_offset_in_bytes() {
109 assert(initialized && (value_offset > 0), "Must be initialized");
110 return value_offset;
111 }
112 static int count_offset_in_bytes() {
113 assert(initialized && (count_offset > 0), "Must be initialized");
114 return count_offset;
115 }
116 static int offset_offset_in_bytes() {
117 assert(initialized && (offset_offset > 0), "Must be initialized");
118 return offset_offset;
119 }
120 static int hash_offset_in_bytes() {
121 assert(initialized && (hash_offset > 0), "Must be initialized");
122 return hash_offset;
123 }
124
125 // Accessors
126 static typeArrayOop value(oop java_string) {
127 assert(initialized && (value_offset > 0), "Must be initialized");
128 assert(is_instance(java_string), "must be java_string");
129 return (typeArrayOop) java_string->obj_field(value_offset);
130 }
131 static int offset(oop java_string) {
132 assert(initialized, "Must be initialized");
133 assert(is_instance(java_string), "must be java_string");
134 if (offset_offset > 0) {
135 return java_string->int_field(offset_offset);
136 } else {
137 return 0;
138 }
139 }
140 static int length(oop java_string) {
141 assert(initialized, "Must be initialized");
142 assert(is_instance(java_string), "must be java_string");
143 if (count_offset > 0) {
144 return java_string->int_field(count_offset);
145 } else {
146 return ((typeArrayOop)java_string->obj_field(value_offset))->length();
147 }
148 }
149 static int utf8_length(oop java_string);
150
151 // String converters
152 static char* as_utf8_string(oop java_string);
153 static char* as_utf8_string(oop java_string, char* buf, int buflen);
154 static char* as_utf8_string(oop java_string, int start, int len);
155 static char* as_platform_dependent_str(Handle java_string, TRAPS);
156 static jchar* as_unicode_string(oop java_string, int& length, TRAPS);
157 // produce an ascii string with all other values quoted using \u####
158 static char* as_quoted_ascii(oop java_string);
159
160 // Compute the hash value for a java.lang.String object which would
161 // contain the characters passed in.
162 //
163 // As the hash value used by the String object itself, in
164 // String.hashCode(). This value is normally calculated in Java code
165 // in the String.hashCode method(), but is precomputed for String
166 // objects in the shared archive file.
167 // hash P(31) from Kernighan & Ritchie
168 //
169 // For this reason, THIS ALGORITHM MUST MATCH String.hashCode().
170 template <typename T> static unsigned int hash_code(T* s, int len) {
171 unsigned int h = 0;
172 while (len-- > 0) {
173 h = 31*h + (unsigned int) *s;
174 s++;
175 }
176 return h;
177 }
178 static unsigned int hash_code(oop java_string);
179
180 // This is the string hash code used by the StringTable, which may be
181 // the same as String.hashCode or an alternate hash code.
182 static unsigned int hash_string(oop java_string);
183
184 static bool equals(oop java_string, jchar* chars, int len);
185
186 // Conversion between '.' and '/' formats
187 static Handle externalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '/', '.', THREAD); }
188 static Handle internalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '.', '/', THREAD); }
189
190 // Conversion
191 static Symbol* as_symbol(Handle java_string, TRAPS);
192 static Symbol* as_symbol_or_null(oop java_string);
193
194 // Testers
195 static bool is_instance(oop obj) {
196 return obj != NULL && obj->klass() == SystemDictionary::String_klass();
197 }
198
199 // Debugging
200 static void print(Handle java_string, outputStream* st);
201 friend class JavaClasses;
202 };
203
204
205 // Interface to java.lang.Class objects
206
207 #define CLASS_INJECTED_FIELDS(macro) \
208 macro(java_lang_Class, klass, intptr_signature, false) \
209 macro(java_lang_Class, array_klass, intptr_signature, false) \
210 macro(java_lang_Class, oop_size, int_signature, false) \
211 macro(java_lang_Class, static_oop_field_count, int_signature, false) \
212 macro(java_lang_Class, protection_domain, object_signature, false) \
213 macro(java_lang_Class, init_lock, object_signature, false) \
214 macro(java_lang_Class, signers, object_signature, false)
215
216 class java_lang_Class : AllStatic {
217 friend class VMStructs;
218
219 private:
220 // The fake offsets are added by the class loader when java.lang.Class is loaded
221
222 static int _klass_offset;
223 static int _array_klass_offset;
224
225 static int _oop_size_offset;
226 static int _static_oop_field_count_offset;
227
228 static int _protection_domain_offset;
229 static int _init_lock_offset;
230 static int _signers_offset;
231
232 static bool offsets_computed;
233 static int classRedefinedCount_offset;
234 static GrowableArray<Klass*>* _fixup_mirror_list;
235
236 static void set_init_lock(oop java_class, oop init_lock);
237 static void set_protection_domain(oop java_class, oop protection_domain);
238 public:
239 static void compute_offsets();
240
241 // Instance creation
242 static oop create_mirror(KlassHandle k, Handle protection_domain, TRAPS);
243 static void fixup_mirror(KlassHandle k, TRAPS);
244 static oop create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS);
245 // Conversion
246 static Klass* as_Klass(oop java_class);
247 static void set_klass(oop java_class, Klass* klass);
248 static BasicType as_BasicType(oop java_class, Klass** reference_klass = NULL);
249 static BasicType as_BasicType(oop java_class, KlassHandle* reference_klass) {
250 Klass* refk_oop = NULL;
251 BasicType result = as_BasicType(java_class, &refk_oop);
252 (*reference_klass) = KlassHandle(refk_oop);
253 return result;
254 }
255 static Symbol* as_signature(oop java_class, bool intern_if_not_found, TRAPS);
256 static void print_signature(oop java_class, outputStream *st);
257 // Testing
258 static bool is_instance(oop obj) {
259 return obj != NULL && obj->klass() == SystemDictionary::Class_klass();
260 }
261 static bool is_primitive(oop java_class);
262 static BasicType primitive_type(oop java_class);
263 static oop primitive_mirror(BasicType t);
264 // JVM_NewArray support
265 static Klass* array_klass(oop java_class);
266 static void set_array_klass(oop java_class, Klass* klass);
267 // compiler support for class operations
268 static int klass_offset_in_bytes() { return _klass_offset; }
269 static int array_klass_offset_in_bytes() { return _array_klass_offset; }
270 // Support for classRedefinedCount field
271 static int classRedefinedCount(oop the_class_mirror);
272 static void set_classRedefinedCount(oop the_class_mirror, int value);
273
274 // Support for embedded per-class oops
275 static oop protection_domain(oop java_class);
276 static oop init_lock(oop java_class);
277 static objArrayOop signers(oop java_class);
278 static void set_signers(oop java_class, objArrayOop signers);
279
280 static int oop_size(oop java_class);
281 static void set_oop_size(oop java_class, int size);
282 static int static_oop_field_count(oop java_class);
283 static void set_static_oop_field_count(oop java_class, int size);
284
285 static GrowableArray<Klass*>* fixup_mirror_list() {
286 return _fixup_mirror_list;
287 }
288 static void set_fixup_mirror_list(GrowableArray<Klass*>* v) {
289 _fixup_mirror_list = v;
290 }
291 // Debugging
292 friend class JavaClasses;
293 friend class InstanceKlass; // verification code accesses offsets
294 friend class ClassFileParser; // access to number_of_fake_fields
295 };
296
297 // Interface to java.lang.Thread objects
298
299 class java_lang_Thread : AllStatic {
300 private:
301 // Note that for this class the layout changed between JDK1.2 and JDK1.3,
302 // so we compute the offsets at startup rather than hard-wiring them.
303 static int _name_offset;
304 static int _group_offset;
305 static int _contextClassLoader_offset;
306 static int _inheritedAccessControlContext_offset;
307 static int _priority_offset;
308 static int _eetop_offset;
309 static int _daemon_offset;
310 static int _stillborn_offset;
311 static int _stackSize_offset;
312 static int _tid_offset;
313 static int _thread_status_offset;
314 static int _park_blocker_offset;
315 static int _park_event_offset ;
316
317 static void compute_offsets();
318
319 public:
320 // Instance creation
321 static oop create();
322 // Returns the JavaThread associated with the thread obj
323 static JavaThread* thread(oop java_thread);
324 // Set JavaThread for instance
325 static void set_thread(oop java_thread, JavaThread* thread);
326 // Name
327 static typeArrayOop name(oop java_thread);
328 static void set_name(oop java_thread, typeArrayOop name);
329 // Priority
330 static ThreadPriority priority(oop java_thread);
331 static void set_priority(oop java_thread, ThreadPriority priority);
332 // Thread group
333 static oop threadGroup(oop java_thread);
334 // Stillborn
335 static bool is_stillborn(oop java_thread);
336 static void set_stillborn(oop java_thread);
337 // Alive (NOTE: this is not really a field, but provides the correct
338 // definition without doing a Java call)
339 static bool is_alive(oop java_thread);
340 // Daemon
341 static bool is_daemon(oop java_thread);
342 static void set_daemon(oop java_thread);
343 // Context ClassLoader
344 static oop context_class_loader(oop java_thread);
345 // Control context
346 static oop inherited_access_control_context(oop java_thread);
347 // Stack size hint
348 static jlong stackSize(oop java_thread);
349 // Thread ID
350 static jlong thread_id(oop java_thread);
351
352 // Blocker object responsible for thread parking
353 static oop park_blocker(oop java_thread);
354
355 // Pointer to type-stable park handler, encoded as jlong.
356 // Should be set when apparently null
357 // For details, see unsafe.cpp Unsafe_Unpark
358 static jlong park_event(oop java_thread);
359 static bool set_park_event(oop java_thread, jlong ptr);
360
361 // Java Thread Status for JVMTI and M&M use.
362 // This thread status info is saved in threadStatus field of
363 // java.lang.Thread java class.
364 enum ThreadStatus {
365 NEW = 0,
366 RUNNABLE = JVMTI_THREAD_STATE_ALIVE + // runnable / running
367 JVMTI_THREAD_STATE_RUNNABLE,
368 SLEEPING = JVMTI_THREAD_STATE_ALIVE + // Thread.sleep()
369 JVMTI_THREAD_STATE_WAITING +
370 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT +
371 JVMTI_THREAD_STATE_SLEEPING,
372 IN_OBJECT_WAIT = JVMTI_THREAD_STATE_ALIVE + // Object.wait()
373 JVMTI_THREAD_STATE_WAITING +
374 JVMTI_THREAD_STATE_WAITING_INDEFINITELY +
375 JVMTI_THREAD_STATE_IN_OBJECT_WAIT,
376 IN_OBJECT_WAIT_TIMED = JVMTI_THREAD_STATE_ALIVE + // Object.wait(long)
377 JVMTI_THREAD_STATE_WAITING +
378 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT +
379 JVMTI_THREAD_STATE_IN_OBJECT_WAIT,
380 PARKED = JVMTI_THREAD_STATE_ALIVE + // LockSupport.park()
381 JVMTI_THREAD_STATE_WAITING +
382 JVMTI_THREAD_STATE_WAITING_INDEFINITELY +
383 JVMTI_THREAD_STATE_PARKED,
384 PARKED_TIMED = JVMTI_THREAD_STATE_ALIVE + // LockSupport.park(long)
385 JVMTI_THREAD_STATE_WAITING +
386 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT +
387 JVMTI_THREAD_STATE_PARKED,
388 BLOCKED_ON_MONITOR_ENTER = JVMTI_THREAD_STATE_ALIVE + // (re-)entering a synchronization block
389 JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER,
390 TERMINATED = JVMTI_THREAD_STATE_TERMINATED
391 };
392 // Write thread status info to threadStatus field of java.lang.Thread.
393 static void set_thread_status(oop java_thread_oop, ThreadStatus status);
394 // Read thread status info from threadStatus field of java.lang.Thread.
395 static ThreadStatus get_thread_status(oop java_thread_oop);
396
397 static const char* thread_status_name(oop java_thread_oop);
398
399 // Debugging
400 friend class JavaClasses;
401 };
402
403 // Interface to java.lang.ThreadGroup objects
404
405 class java_lang_ThreadGroup : AllStatic {
406 private:
407 static int _parent_offset;
408 static int _name_offset;
409 static int _threads_offset;
410 static int _groups_offset;
411 static int _maxPriority_offset;
412 static int _destroyed_offset;
413 static int _daemon_offset;
414 static int _vmAllowSuspension_offset;
415 static int _nthreads_offset;
416 static int _ngroups_offset;
417
418 static void compute_offsets();
419
420 public:
421 // parent ThreadGroup
422 static oop parent(oop java_thread_group);
423 // name
424 static typeArrayOop name(oop java_thread_group);
425 // ("name as oop" accessor is not necessary)
426 // Number of threads in group
427 static int nthreads(oop java_thread_group);
428 // threads
429 static objArrayOop threads(oop java_thread_group);
430 // Number of threads in group
431 static int ngroups(oop java_thread_group);
432 // groups
433 static objArrayOop groups(oop java_thread_group);
434 // maxPriority in group
435 static ThreadPriority maxPriority(oop java_thread_group);
436 // Destroyed
437 static bool is_destroyed(oop java_thread_group);
438 // Daemon
439 static bool is_daemon(oop java_thread_group);
440 // vmAllowSuspension
441 static bool is_vmAllowSuspension(oop java_thread_group);
442 // Debugging
443 friend class JavaClasses;
444 };
445
446
447
448 // Interface to java.lang.Throwable objects
449
450 class java_lang_Throwable: AllStatic {
451 friend class BacktraceBuilder;
452
453 private:
454 // Offsets
455 enum {
456 hc_backtrace_offset = 0,
457 hc_detailMessage_offset = 1,
458 hc_cause_offset = 2, // New since 1.4
459 hc_stackTrace_offset = 3 // New since 1.4
460 };
461 enum {
462 hc_static_unassigned_stacktrace_offset = 0 // New since 1.7
463 };
464 // Trace constants
465 enum {
466 trace_methods_offset = 0,
467 trace_bcis_offset = 1,
468 trace_mirrors_offset = 2,
469 trace_next_offset = 3,
470 trace_size = 4,
471 trace_chunk_size = 32
472 };
473
474 static int backtrace_offset;
475 static int detailMessage_offset;
476 static int cause_offset;
477 static int stackTrace_offset;
478 static int static_unassigned_stacktrace_offset;
479
480 // Printing
481 static char* print_stack_element_to_buffer(Handle mirror, int method, int version, int bci);
482 // StackTrace (programmatic access, new since 1.4)
483 static void clear_stacktrace(oop throwable);
484 // No stack trace available
485 static const char* no_stack_trace_message();
486 // Stacktrace (post JDK 1.7.0 to allow immutability protocol to be followed)
487 static void set_stacktrace(oop throwable, oop st_element_array);
488 static oop unassigned_stacktrace();
489
490 public:
491 // Backtrace
492 static oop backtrace(oop throwable);
493 static void set_backtrace(oop throwable, oop value);
494 // Needed by JVMTI to filter out this internal field.
495 static int get_backtrace_offset() { return backtrace_offset;}
496 static int get_detailMessage_offset() { return detailMessage_offset;}
497 // Message
498 static oop message(oop throwable);
499 static oop message(Handle throwable);
500 static void set_message(oop throwable, oop value);
501 static void print_stack_element(outputStream *st, Handle mirror, int method,
502 int version, int bci);
503 static void print_stack_element(outputStream *st, methodHandle method, int bci);
504 static void print_stack_usage(Handle stream);
505
506 // Allocate space for backtrace (created but stack trace not filled in)
507 static void allocate_backtrace(Handle throwable, TRAPS);
508 // Fill in current stack trace for throwable with preallocated backtrace (no GC)
509 static void fill_in_stack_trace_of_preallocated_backtrace(Handle throwable);
510 // Fill in current stack trace, can cause GC
511 static void fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS);
512 static void fill_in_stack_trace(Handle throwable, methodHandle method = methodHandle());
513 // Programmatic access to stack trace
514 static oop get_stack_trace_element(oop throwable, int index, TRAPS);
515 static int get_stack_trace_depth(oop throwable, TRAPS);
516 // Printing
517 static void print(oop throwable, outputStream* st);
518 static void print(Handle throwable, outputStream* st);
519 static void print_stack_trace(oop throwable, outputStream* st);
520 // Debugging
521 friend class JavaClasses;
522 };
523
524
525 // Interface to java.lang.reflect.AccessibleObject objects
526
527 class java_lang_reflect_AccessibleObject: AllStatic {
528 private:
529 // Note that to reduce dependencies on the JDK we compute these
530 // offsets at run-time.
531 static int override_offset;
532
533 static void compute_offsets();
534
535 public:
536 // Accessors
537 static jboolean override(oop reflect);
538 static void set_override(oop reflect, jboolean value);
539
540 // Debugging
541 friend class JavaClasses;
542 };
543
544
545 // Interface to java.lang.reflect.Method objects
546
547 class java_lang_reflect_Method : public java_lang_reflect_AccessibleObject {
548 private:
549 // Note that to reduce dependencies on the JDK we compute these
550 // offsets at run-time.
551 static int clazz_offset;
552 static int name_offset;
553 static int returnType_offset;
554 static int parameterTypes_offset;
555 static int exceptionTypes_offset;
556 static int slot_offset;
557 static int modifiers_offset;
558 static int signature_offset;
559 static int annotations_offset;
560 static int parameter_annotations_offset;
561 static int annotation_default_offset;
562 static int type_annotations_offset;
563
564 static void compute_offsets();
565
566 public:
567 // Allocation
568 static Handle create(TRAPS);
569
570 // Accessors
571 static oop clazz(oop reflect);
572 static void set_clazz(oop reflect, oop value);
573
574 static oop name(oop method);
575 static void set_name(oop method, oop value);
576
577 static oop return_type(oop method);
578 static void set_return_type(oop method, oop value);
579
580 static oop parameter_types(oop method);
581 static void set_parameter_types(oop method, oop value);
582
583 static oop exception_types(oop method);
584 static void set_exception_types(oop method, oop value);
585
586 static int slot(oop reflect);
587 static void set_slot(oop reflect, int value);
588
589 static int modifiers(oop method);
590 static void set_modifiers(oop method, int value);
591
592 static bool has_signature_field();
593 static oop signature(oop method);
594 static void set_signature(oop method, oop value);
595
596 static bool has_annotations_field();
597 static oop annotations(oop method);
598 static void set_annotations(oop method, oop value);
599
600 static bool has_parameter_annotations_field();
601 static oop parameter_annotations(oop method);
602 static void set_parameter_annotations(oop method, oop value);
603
604 static bool has_annotation_default_field();
605 static oop annotation_default(oop method);
606 static void set_annotation_default(oop method, oop value);
607
608 static bool has_type_annotations_field();
609 static oop type_annotations(oop method);
610 static void set_type_annotations(oop method, oop value);
611
612 // Debugging
613 friend class JavaClasses;
614 };
615
616
617 // Interface to java.lang.reflect.Constructor objects
618
619 class java_lang_reflect_Constructor : public java_lang_reflect_AccessibleObject {
620 private:
621 // Note that to reduce dependencies on the JDK we compute these
622 // offsets at run-time.
623 static int clazz_offset;
624 static int parameterTypes_offset;
625 static int exceptionTypes_offset;
626 static int slot_offset;
627 static int modifiers_offset;
628 static int signature_offset;
629 static int annotations_offset;
630 static int parameter_annotations_offset;
631 static int type_annotations_offset;
632
633 static void compute_offsets();
634
635 public:
636 // Allocation
637 static Handle create(TRAPS);
638
639 // Accessors
640 static oop clazz(oop reflect);
641 static void set_clazz(oop reflect, oop value);
642
643 static oop parameter_types(oop constructor);
644 static void set_parameter_types(oop constructor, oop value);
645
646 static oop exception_types(oop constructor);
647 static void set_exception_types(oop constructor, oop value);
648
649 static int slot(oop reflect);
650 static void set_slot(oop reflect, int value);
651
652 static int modifiers(oop constructor);
653 static void set_modifiers(oop constructor, int value);
654
655 static bool has_signature_field();
656 static oop signature(oop constructor);
657 static void set_signature(oop constructor, oop value);
658
659 static bool has_annotations_field();
660 static oop annotations(oop constructor);
661 static void set_annotations(oop constructor, oop value);
662
663 static bool has_parameter_annotations_field();
664 static oop parameter_annotations(oop method);
665 static void set_parameter_annotations(oop method, oop value);
666
667 static bool has_type_annotations_field();
668 static oop type_annotations(oop constructor);
669 static void set_type_annotations(oop constructor, oop value);
670
671 // Debugging
672 friend class JavaClasses;
673 };
674
675
676 // Interface to java.lang.reflect.Field objects
677
678 class java_lang_reflect_Field : public java_lang_reflect_AccessibleObject {
679 private:
680 // Note that to reduce dependencies on the JDK we compute these
681 // offsets at run-time.
682 static int clazz_offset;
683 static int name_offset;
684 static int type_offset;
685 static int slot_offset;
686 static int modifiers_offset;
687 static int signature_offset;
688 static int annotations_offset;
689 static int type_annotations_offset;
690
691 static void compute_offsets();
692
693 public:
694 // Allocation
695 static Handle create(TRAPS);
696
697 // Accessors
698 static oop clazz(oop reflect);
699 static void set_clazz(oop reflect, oop value);
700
701 static oop name(oop field);
702 static void set_name(oop field, oop value);
703
704 static oop type(oop field);
705 static void set_type(oop field, oop value);
706
707 static int slot(oop reflect);
708 static void set_slot(oop reflect, int value);
709
710 static int modifiers(oop field);
711 static void set_modifiers(oop field, int value);
712
713 static bool has_signature_field();
714 static oop signature(oop constructor);
715 static void set_signature(oop constructor, oop value);
716
717 static bool has_annotations_field();
718 static oop annotations(oop constructor);
719 static void set_annotations(oop constructor, oop value);
720
721 static bool has_parameter_annotations_field();
722 static oop parameter_annotations(oop method);
723 static void set_parameter_annotations(oop method, oop value);
724
725 static bool has_annotation_default_field();
726 static oop annotation_default(oop method);
727 static void set_annotation_default(oop method, oop value);
728
729 static bool has_type_annotations_field();
730 static oop type_annotations(oop field);
731 static void set_type_annotations(oop field, oop value);
732
733 // Debugging
734 friend class JavaClasses;
735 };
736
737 class java_lang_reflect_Parameter {
738 private:
739 // Note that to reduce dependencies on the JDK we compute these
740 // offsets at run-time.
741 static int name_offset;
742 static int modifiers_offset;
743 static int index_offset;
744 static int executable_offset;
745
746 static void compute_offsets();
747
748 public:
749 // Allocation
750 static Handle create(TRAPS);
751
752 // Accessors
753 static oop name(oop field);
754 static void set_name(oop field, oop value);
755
756 static int index(oop reflect);
757 static void set_index(oop reflect, int value);
758
759 static int modifiers(oop reflect);
760 static void set_modifiers(oop reflect, int value);
761
762 static oop executable(oop constructor);
763 static void set_executable(oop constructor, oop value);
764
765 friend class JavaClasses;
766 };
767
768 // Interface to sun.reflect.ConstantPool objects
769 class sun_reflect_ConstantPool {
770 private:
771 // Note that to reduce dependencies on the JDK we compute these
772 // offsets at run-time.
773 static int _oop_offset;
774
775 static void compute_offsets();
776
777 public:
778 // Allocation
779 static Handle create(TRAPS);
780
781 // Accessors
782 static void set_cp(oop reflect, ConstantPool* value);
783 static int oop_offset() {
784 return _oop_offset;
785 }
786
787 static ConstantPool* get_cp(oop reflect);
788
789 // Debugging
790 friend class JavaClasses;
791 };
792
793 // Interface to sun.reflect.UnsafeStaticFieldAccessorImpl objects
794 class sun_reflect_UnsafeStaticFieldAccessorImpl {
795 private:
796 static int _base_offset;
797 static void compute_offsets();
798
799 public:
800 static int base_offset() {
801 return _base_offset;
802 }
803
804 // Debugging
805 friend class JavaClasses;
806 };
807
808 // Interface to java.lang primitive type boxing objects:
809 // - java.lang.Boolean
810 // - java.lang.Character
811 // - java.lang.Float
812 // - java.lang.Double
813 // - java.lang.Byte
814 // - java.lang.Short
815 // - java.lang.Integer
816 // - java.lang.Long
817
818 // This could be separated out into 8 individual classes.
819
820 class java_lang_boxing_object: AllStatic {
821 private:
822 enum {
823 hc_value_offset = 0
824 };
825 static int value_offset;
826 static int long_value_offset;
827
828 static oop initialize_and_allocate(BasicType type, TRAPS);
829 public:
830 // Allocation. Returns a boxed value, or NULL for invalid type.
831 static oop create(BasicType type, jvalue* value, TRAPS);
832 // Accessors. Returns the basic type being boxed, or T_ILLEGAL for invalid oop.
833 static BasicType get_value(oop box, jvalue* value);
834 static BasicType set_value(oop box, jvalue* value);
835 static BasicType basic_type(oop box);
836 static bool is_instance(oop box) { return basic_type(box) != T_ILLEGAL; }
837 static bool is_instance(oop box, BasicType type) { return basic_type(box) == type; }
838 static void print(oop box, outputStream* st) { jvalue value; print(get_value(box, &value), &value, st); }
839 static void print(BasicType type, jvalue* value, outputStream* st);
840
841 static int value_offset_in_bytes(BasicType type) {
842 return ( type == T_LONG || type == T_DOUBLE ) ? long_value_offset :
843 value_offset;
844 }
845
846 // Debugging
847 friend class JavaClasses;
848 };
849
850
851
852 // Interface to java.lang.ref.Reference objects
853
854 class java_lang_ref_Reference: AllStatic {
855 public:
856 enum {
857 hc_referent_offset = 0,
858 hc_queue_offset = 1,
859 hc_next_offset = 2,
860 hc_discovered_offset = 3 // Is not last, see SoftRefs.
861 };
862 enum {
863 hc_static_lock_offset = 0,
864 hc_static_pending_offset = 1
865 };
866
867 static int referent_offset;
868 static int queue_offset;
869 static int next_offset;
870 static int discovered_offset;
871 static int static_lock_offset;
872 static int static_pending_offset;
873 static int number_of_fake_oop_fields;
874
875 // Accessors
876 static oop referent(oop ref) {
877 return ref->obj_field(referent_offset);
878 }
879 static void set_referent(oop ref, oop value) {
880 ref->obj_field_put(referent_offset, value);
881 }
882 static void set_referent_raw(oop ref, oop value) {
883 ref->obj_field_put_raw(referent_offset, value);
884 }
885 static HeapWord* referent_addr(oop ref) {
886 return ref->obj_field_addr<HeapWord>(referent_offset);
887 }
888 static oop next(oop ref) {
889 return ref->obj_field(next_offset);
890 }
891 static void set_next(oop ref, oop value) {
892 ref->obj_field_put(next_offset, value);
893 }
894 static void set_next_raw(oop ref, oop value) {
895 ref->obj_field_put_raw(next_offset, value);
896 }
897 static HeapWord* next_addr(oop ref) {
898 return ref->obj_field_addr<HeapWord>(next_offset);
899 }
900 static oop discovered(oop ref) {
901 return ref->obj_field(discovered_offset);
902 }
903 static void set_discovered(oop ref, oop value) {
904 ref->obj_field_put(discovered_offset, value);
905 }
906 static void set_discovered_raw(oop ref, oop value) {
907 ref->obj_field_put_raw(discovered_offset, value);
908 }
909 static HeapWord* discovered_addr(oop ref) {
910 return ref->obj_field_addr<HeapWord>(discovered_offset);
911 }
912 // Accessors for statics
913 static oop pending_list_lock();
914 static oop pending_list();
915
916 static HeapWord* pending_list_lock_addr();
917 static HeapWord* pending_list_addr();
918 };
919
920
921 // Interface to java.lang.ref.SoftReference objects
922
923 class java_lang_ref_SoftReference: public java_lang_ref_Reference {
924 public:
925 enum {
926 // The timestamp is a long field and may need to be adjusted for alignment.
927 hc_timestamp_offset = hc_discovered_offset + 1
928 };
929 enum {
930 hc_static_clock_offset = 0
931 };
932
933 static int timestamp_offset;
934 static int static_clock_offset;
935
936 // Accessors
937 static jlong timestamp(oop ref);
938
939 // Accessors for statics
940 static jlong clock();
941 static void set_clock(jlong value);
942 };
943
944
945 // Interface to java.lang.invoke.MethodHandle objects
946
947 class MethodHandleEntry;
948
949 class java_lang_invoke_MethodHandle: AllStatic {
950 friend class JavaClasses;
951
952 private:
953 static int _type_offset; // the MethodType of this MH
954 static int _form_offset; // the LambdaForm of this MH
955
956 static void compute_offsets();
957
958 public:
959 // Accessors
960 static oop type(oop mh);
961 static void set_type(oop mh, oop mtype);
962
963 static oop form(oop mh);
964 static void set_form(oop mh, oop lform);
965
966 // Testers
967 static bool is_subclass(Klass* klass) {
968 return klass->is_subclass_of(SystemDictionary::MethodHandle_klass());
969 }
970 static bool is_instance(oop obj) {
971 return obj != NULL && is_subclass(obj->klass());
972 }
973
974 // Accessors for code generation:
975 static int type_offset_in_bytes() { return _type_offset; }
976 static int form_offset_in_bytes() { return _form_offset; }
977 };
978
979 // Interface to java.lang.invoke.DirectMethodHandle objects
980
981 class java_lang_invoke_DirectMethodHandle: AllStatic {
982 friend class JavaClasses;
983
984 private:
985 static int _member_offset; // the MemberName of this DMH
986
987 static void compute_offsets();
988
989 public:
990 // Accessors
991 static oop member(oop mh);
992 static void set_member(oop mh, oop member);
993
994 // Testers
995 static bool is_subclass(Klass* klass) {
996 return klass->is_subclass_of(SystemDictionary::DirectMethodHandle_klass());
997 }
998 static bool is_instance(oop obj) {
999 return obj != NULL && is_subclass(obj->klass());
1000 }
1001
1002 // Accessors for code generation:
1003 static int member_offset_in_bytes() { return _member_offset; }
1004 };
1005
1006 // Interface to java.lang.invoke.LambdaForm objects
1007 // (These are a private interface for managing adapter code generation.)
1008
1009 class java_lang_invoke_LambdaForm: AllStatic {
1010 friend class JavaClasses;
1011
1012 private:
1013 static int _vmentry_offset; // type is MemberName
1014
1015 static void compute_offsets();
1016
1017 public:
1018 // Accessors
1019 static oop vmentry(oop lform);
1020 static void set_vmentry(oop lform, oop invoker);
1021
1022 // Testers
1023 static bool is_subclass(Klass* klass) {
1024 return SystemDictionary::LambdaForm_klass() != NULL &&
1025 klass->is_subclass_of(SystemDictionary::LambdaForm_klass());
1026 }
1027 static bool is_instance(oop obj) {
1028 return obj != NULL && is_subclass(obj->klass());
1029 }
1030
1031 // Accessors for code generation:
1032 static int vmentry_offset_in_bytes() { return _vmentry_offset; }
1033 };
1034
1035
1036 // Interface to java.lang.invoke.MemberName objects
1037 // (These are a private interface for Java code to query the class hierarchy.)
1038
1039 #define MEMBERNAME_INJECTED_FIELDS(macro) \
1040 macro(java_lang_invoke_MemberName, vmloader, object_signature, false) \
1041 macro(java_lang_invoke_MemberName, vmindex, intptr_signature, false) \
1042 macro(java_lang_invoke_MemberName, vmtarget, intptr_signature, false)
1043
1044 class java_lang_invoke_MemberName: AllStatic {
1045 friend class JavaClasses;
1046
1047 private:
1048 // From java.lang.invoke.MemberName:
1049 // private Class<?> clazz; // class in which the method is defined
1050 // private String name; // may be null if not yet materialized
1051 // private Object type; // may be null if not yet materialized
1052 // private int flags; // modifier bits; see reflect.Modifier
1053 // private intptr vmtarget; // VM-specific target value
1054 // private intptr_t vmindex; // member index within class or interface
1055 static int _clazz_offset;
1056 static int _name_offset;
1057 static int _type_offset;
1058 static int _flags_offset;
1059 static int _vmtarget_offset;
1060 static int _vmloader_offset;
1061 static int _vmindex_offset;
1062
1063 static void compute_offsets();
1064
1065 public:
1066 // Accessors
1067 static oop clazz(oop mname);
1068 static void set_clazz(oop mname, oop clazz);
1069
1070 static oop type(oop mname);
1071 static void set_type(oop mname, oop type);
1072
1073 static oop name(oop mname);
1074 static void set_name(oop mname, oop name);
1075
1076 static int flags(oop mname);
1077 static void set_flags(oop mname, int flags);
1078
1079 static Metadata* vmtarget(oop mname);
1080 static void set_vmtarget(oop mname, Metadata* target);
1081 #if INCLUDE_JVMTI
1082 static void adjust_vmtarget(oop mname, Metadata* target);
1083 #endif // INCLUDE_JVMTI
1084
1085 static intptr_t vmindex(oop mname);
1086 static void set_vmindex(oop mname, intptr_t index);
1087
1088 // Testers
1089 static bool is_subclass(Klass* klass) {
1090 return klass->is_subclass_of(SystemDictionary::MemberName_klass());
1091 }
1092 static bool is_instance(oop obj) {
1093 return obj != NULL && is_subclass(obj->klass());
1094 }
1095
1096 // Relevant integer codes (keep these in synch. with MethodHandleNatives.Constants):
1097 enum {
1098 MN_IS_METHOD = 0x00010000, // method (not constructor)
1099 MN_IS_CONSTRUCTOR = 0x00020000, // constructor
1100 MN_IS_FIELD = 0x00040000, // field
1101 MN_IS_TYPE = 0x00080000, // nested type
1102 MN_CALLER_SENSITIVE = 0x00100000, // @CallerSensitive annotation detected
1103 MN_REFERENCE_KIND_SHIFT = 24, // refKind
1104 MN_REFERENCE_KIND_MASK = 0x0F000000 >> MN_REFERENCE_KIND_SHIFT,
1105 // The SEARCH_* bits are not for MN.flags but for the matchFlags argument of MHN.getMembers:
1106 MN_SEARCH_SUPERCLASSES = 0x00100000, // walk super classes
1107 MN_SEARCH_INTERFACES = 0x00200000 // walk implemented interfaces
1108 };
1109
1110 // Accessors for code generation:
1111 static int clazz_offset_in_bytes() { return _clazz_offset; }
1112 static int type_offset_in_bytes() { return _type_offset; }
1113 static int name_offset_in_bytes() { return _name_offset; }
1114 static int flags_offset_in_bytes() { return _flags_offset; }
1115 static int vmtarget_offset_in_bytes() { return _vmtarget_offset; }
1116 static int vmindex_offset_in_bytes() { return _vmindex_offset; }
1117 };
1118
1119
1120 // Interface to java.lang.invoke.MethodType objects
1121
1122 class java_lang_invoke_MethodType: AllStatic {
1123 friend class JavaClasses;
1124
1125 private:
1126 static int _rtype_offset;
1127 static int _ptypes_offset;
1128
1129 static void compute_offsets();
1130
1131 public:
1132 // Accessors
1133 static oop rtype(oop mt);
1134 static objArrayOop ptypes(oop mt);
1135
1136 static oop ptype(oop mt, int index);
1137 static int ptype_count(oop mt);
1138
1139 static int ptype_slot_count(oop mt); // extra counts for long/double
1140 static int rtype_slot_count(oop mt); // extra counts for long/double
1141
1142 static Symbol* as_signature(oop mt, bool intern_if_not_found, TRAPS);
1143 static void print_signature(oop mt, outputStream* st);
1144
1145 static bool is_instance(oop obj) {
1146 return obj != NULL && obj->klass() == SystemDictionary::MethodType_klass();
1147 }
1148
1149 static bool equals(oop mt1, oop mt2);
1150
1151 // Accessors for code generation:
1152 static int rtype_offset_in_bytes() { return _rtype_offset; }
1153 static int ptypes_offset_in_bytes() { return _ptypes_offset; }
1154 };
1155
1156
1157 // Interface to java.lang.invoke.CallSite objects
1158
1159 class java_lang_invoke_CallSite: AllStatic {
1160 friend class JavaClasses;
1161
1162 private:
1163 static int _target_offset;
1164
1165 static void compute_offsets();
1166
1167 public:
1168 // Accessors
1169 static oop target( oop site) { return site->obj_field( _target_offset); }
1170 static void set_target( oop site, oop target) { site->obj_field_put( _target_offset, target); }
1171
1172 static volatile oop target_volatile(oop site) { return site->obj_field_volatile( _target_offset); }
1173 static void set_target_volatile(oop site, oop target) { site->obj_field_put_volatile(_target_offset, target); }
1174
1175 // Testers
1176 static bool is_subclass(Klass* klass) {
1177 return klass->is_subclass_of(SystemDictionary::CallSite_klass());
1178 }
1179 static bool is_instance(oop obj) {
1180 return obj != NULL && is_subclass(obj->klass());
1181 }
1182
1183 // Accessors for code generation:
1184 static int target_offset_in_bytes() { return _target_offset; }
1185 };
1186
1187
1188 // Interface to java.security.AccessControlContext objects
1189
1190 class java_security_AccessControlContext: AllStatic {
1191 private:
1192 // Note that for this class the layout changed between JDK1.2 and JDK1.3,
1193 // so we compute the offsets at startup rather than hard-wiring them.
1194 static int _context_offset;
1195 static int _privilegedContext_offset;
1196 static int _isPrivileged_offset;
1197 static int _isAuthorized_offset;
1198
1199 static void compute_offsets();
1200 public:
1201 static oop create(objArrayHandle context, bool isPrivileged, Handle privileged_context, TRAPS);
1202
1203 static bool is_authorized(Handle context);
1204
1205 // Debugging/initialization
1206 friend class JavaClasses;
1207 };
1208
1209
1210 // Interface to java.lang.ClassLoader objects
1211
1212 #define CLASSLOADER_INJECTED_FIELDS(macro) \
1213 macro(java_lang_ClassLoader, loader_data, intptr_signature, false)
1214
1215 class java_lang_ClassLoader : AllStatic {
1216 private:
1217 // The fake offsets are added by the class loader when java.lang.Class is loaded
1218 enum {
1219 hc_parent_offset = 0
1220 };
1221 static int _loader_data_offset;
1222 static bool offsets_computed;
1223 static int parent_offset;
1224 static int parallelCapable_offset;
1225
1226 public:
1227 static void compute_offsets();
1228
1229 static ClassLoaderData** loader_data_addr(oop loader);
1230 static ClassLoaderData* loader_data(oop loader);
1231
1232 static oop parent(oop loader);
1233 static bool isAncestor(oop loader, oop cl);
1234
1235 // Support for parallelCapable field
1236 static bool parallelCapable(oop the_class_mirror);
1237
1238 static bool is_trusted_loader(oop loader);
1239
1240 // Fix for 4474172
1241 static oop non_reflection_class_loader(oop loader);
1242
1243 // Testers
1244 static bool is_subclass(Klass* klass) {
1245 return klass->is_subclass_of(SystemDictionary::ClassLoader_klass());
1246 }
1247 static bool is_instance(oop obj) {
1248 return obj != NULL && is_subclass(obj->klass());
1249 }
1250
1251 // Debugging
1252 friend class JavaClasses;
1253 friend class ClassFileParser; // access to number_of_fake_fields
1254 };
1255
1256
1257 // Interface to java.lang.System objects
1258
1259 class java_lang_System : AllStatic {
1260 private:
1261 enum {
1262 hc_static_in_offset = 0,
1263 hc_static_out_offset = 1,
1264 hc_static_err_offset = 2,
1265 hc_static_security_offset = 3
1266 };
1267
1268 static int static_in_offset;
1269 static int static_out_offset;
1270 static int static_err_offset;
1271 static int static_security_offset;
1272
1273 public:
1274 static int in_offset_in_bytes();
1275 static int out_offset_in_bytes();
1276 static int err_offset_in_bytes();
1277
1278 static bool has_security_manager();
1279
1280 // Debugging
1281 friend class JavaClasses;
1282 };
1283
1284
1285 // Interface to java.lang.StackTraceElement objects
1286
1287 class java_lang_StackTraceElement: AllStatic {
1288 private:
1289 enum {
1290 hc_declaringClass_offset = 0,
1291 hc_methodName_offset = 1,
1292 hc_fileName_offset = 2,
1293 hc_lineNumber_offset = 3
1294 };
1295
1296 static int declaringClass_offset;
1297 static int methodName_offset;
1298 static int fileName_offset;
1299 static int lineNumber_offset;
1300
1301 public:
1302 // Setters
1303 static void set_declaringClass(oop element, oop value);
1304 static void set_methodName(oop element, oop value);
1305 static void set_fileName(oop element, oop value);
1306 static void set_lineNumber(oop element, int value);
1307
1308 // Create an instance of StackTraceElement
1309 static oop create(Handle mirror, int method, int version, int bci, TRAPS);
1310 static oop create(methodHandle method, int bci, TRAPS);
1311
1312 // Debugging
1313 friend class JavaClasses;
1314 };
1315
1316
1317 // Interface to java.lang.AssertionStatusDirectives objects
1318
1319 class java_lang_AssertionStatusDirectives: AllStatic {
1320 private:
1321 enum {
1322 hc_classes_offset,
1323 hc_classEnabled_offset,
1324 hc_packages_offset,
1325 hc_packageEnabled_offset,
1326 hc_deflt_offset
1327 };
1328
1329 static int classes_offset;
1330 static int classEnabled_offset;
1331 static int packages_offset;
1332 static int packageEnabled_offset;
1333 static int deflt_offset;
1334
1335 public:
1336 // Setters
1337 static void set_classes(oop obj, oop val);
1338 static void set_classEnabled(oop obj, oop val);
1339 static void set_packages(oop obj, oop val);
1340 static void set_packageEnabled(oop obj, oop val);
1341 static void set_deflt(oop obj, bool val);
1342 // Debugging
1343 friend class JavaClasses;
1344 };
1345
1346
1347 class java_nio_Buffer: AllStatic {
1348 private:
1349 static int _limit_offset;
1350
1351 public:
1352 static int limit_offset();
1353 static void compute_offsets();
1354 };
1355
1356 class java_util_concurrent_locks_AbstractOwnableSynchronizer : AllStatic {
1357 private:
1358 static int _owner_offset;
1359 public:
1360 static void initialize(TRAPS);
1361 static oop get_owner_threadObj(oop obj);
1362 };
1363
1364 // Use to declare fields that need to be injected into Java classes
1365 // for the JVM to use. The name_index and signature_index are
1366 // declared in vmSymbols. The may_be_java flag is used to declare
1367 // fields that might already exist in Java but should be injected if
1368 // they don't. Otherwise the field is unconditionally injected and
1369 // the JVM uses the injected one. This is to ensure that name
1370 // collisions don't occur. In general may_be_java should be false
1371 // unless there's a good reason.
1372
1373 class InjectedField {
1374 public:
1375 const SystemDictionary::WKID klass_id;
1376 const vmSymbols::SID name_index;
1377 const vmSymbols::SID signature_index;
1378 const bool may_be_java;
1379
1380
1381 Klass* klass() const { return SystemDictionary::well_known_klass(klass_id); }
1382 Symbol* name() const { return lookup_symbol(name_index); }
1383 Symbol* signature() const { return lookup_symbol(signature_index); }
1384
1385 int compute_offset();
1386
1387 // Find the Symbol for this index
1388 static Symbol* lookup_symbol(int symbol_index) {
1389 return vmSymbols::symbol_at((vmSymbols::SID)symbol_index);
1390 }
1391 };
1392
1393 #define DECLARE_INJECTED_FIELD_ENUM(klass, name, signature, may_be_java) \
1394 klass##_##name##_enum,
1395
1396 #define ALL_INJECTED_FIELDS(macro) \
1397 CLASS_INJECTED_FIELDS(macro) \
1398 CLASSLOADER_INJECTED_FIELDS(macro) \
1399 MEMBERNAME_INJECTED_FIELDS(macro)
1400
1401 // Interface to hard-coded offset checking
1402
1403 class JavaClasses : AllStatic {
1404 private:
1405
1406 static InjectedField _injected_fields[];
1407
1408 static bool check_offset(const char *klass_name, int offset, const char *field_name, const char* field_sig) PRODUCT_RETURN0;
1409 static bool check_static_offset(const char *klass_name, int hardcoded_offset, const char *field_name, const char* field_sig) PRODUCT_RETURN0;
1410 static bool check_constant(const char *klass_name, int constant, const char *field_name, const char* field_sig) PRODUCT_RETURN0;
1411
1412 public:
1413 enum InjectedFieldID {
1414 ALL_INJECTED_FIELDS(DECLARE_INJECTED_FIELD_ENUM)
1415 MAX_enum
1416 };
1417
1418 static int compute_injected_offset(InjectedFieldID id);
1419
1420 static void compute_hard_coded_offsets();
1421 static void compute_offsets();
1422 static void check_offsets() PRODUCT_RETURN;
1423
1424 static InjectedField* get_injected(Symbol* class_name, int* field_count);
1425 };
1426
1427 #undef DECLARE_INJECTED_FIELD_ENUM
1428
1429 #endif // SHARE_VM_CLASSFILE_JAVACLASSES_HPP