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 static bool equals(oop str1, oop str2);
186
187 // Conversion between '.' and '/' formats
188 static Handle externalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '/', '.', THREAD); }
189 static Handle internalize_classname(Handle java_string, TRAPS) { return char_converter(java_string, '.', '/', THREAD); }
190
191 // Conversion
192 static Symbol* as_symbol(Handle java_string, TRAPS);
193 static Symbol* as_symbol_or_null(oop java_string);
194
195 // Testers
196 static bool is_instance(oop obj) {
197 return obj != NULL && obj->klass() == SystemDictionary::String_klass();
198 }
199
200 // Debugging
201 static void print(oop java_string, outputStream* st);
202 friend class JavaClasses;
203 };
204
205
206 // Interface to java.lang.Class objects
207
208 #define CLASS_INJECTED_FIELDS(macro) \
209 macro(java_lang_Class, klass, intptr_signature, false) \
210 macro(java_lang_Class, array_klass, intptr_signature, false) \
211 macro(java_lang_Class, oop_size, int_signature, false) \
212 macro(java_lang_Class, static_oop_field_count, int_signature, false) \
213 macro(java_lang_Class, protection_domain, object_signature, false) \
214 macro(java_lang_Class, init_lock, object_signature, false) \
215 macro(java_lang_Class, signers, object_signature, false)
216
217 class java_lang_Class : AllStatic {
218 friend class VMStructs;
219
220 private:
221 // The fake offsets are added by the class loader when java.lang.Class is loaded
222
223 static int _klass_offset;
224 static int _array_klass_offset;
225
226 static int _oop_size_offset;
227 static int _static_oop_field_count_offset;
228
229 static int _protection_domain_offset;
230 static int _init_lock_offset;
231 static int _signers_offset;
232
233 static bool offsets_computed;
234 static int classRedefinedCount_offset;
235 static GrowableArray<Klass*>* _fixup_mirror_list;
236
237 static void set_init_lock(oop java_class, oop init_lock);
238 static void set_protection_domain(oop java_class, oop protection_domain);
239 public:
240 static void compute_offsets();
241
242 // Instance creation
243 static oop create_mirror(KlassHandle k, Handle protection_domain, TRAPS);
244 static void fixup_mirror(KlassHandle k, TRAPS);
245 static oop create_basic_type_mirror(const char* basic_type_name, BasicType type, TRAPS);
246 // Conversion
247 static Klass* as_Klass(oop java_class);
248 static void set_klass(oop java_class, Klass* klass);
249 static BasicType as_BasicType(oop java_class, Klass** reference_klass = NULL);
250 static BasicType as_BasicType(oop java_class, KlassHandle* reference_klass) {
251 Klass* refk_oop = NULL;
252 BasicType result = as_BasicType(java_class, &refk_oop);
253 (*reference_klass) = KlassHandle(refk_oop);
254 return result;
255 }
256 static Symbol* as_signature(oop java_class, bool intern_if_not_found, TRAPS);
257 static void print_signature(oop java_class, outputStream *st);
258 // Testing
259 static bool is_instance(oop obj) {
260 return obj != NULL && obj->klass() == SystemDictionary::Class_klass();
261 }
262 static bool is_primitive(oop java_class);
263 static BasicType primitive_type(oop java_class);
264 static oop primitive_mirror(BasicType t);
265 // JVM_NewArray support
266 static Klass* array_klass(oop java_class);
267 static void set_array_klass(oop java_class, Klass* klass);
268 // compiler support for class operations
269 static int klass_offset_in_bytes() { return _klass_offset; }
270 static int array_klass_offset_in_bytes() { return _array_klass_offset; }
271 // Support for classRedefinedCount field
272 static int classRedefinedCount(oop the_class_mirror);
273 static void set_classRedefinedCount(oop the_class_mirror, int value);
274
275 // Support for embedded per-class oops
276 static oop protection_domain(oop java_class);
277 static oop init_lock(oop java_class);
278 static objArrayOop signers(oop java_class);
279 static void set_signers(oop java_class, objArrayOop signers);
280
281 static int oop_size(oop java_class);
282 static void set_oop_size(oop java_class, int size);
283 static int static_oop_field_count(oop java_class);
284 static void set_static_oop_field_count(oop java_class, int size);
285
286 static GrowableArray<Klass*>* fixup_mirror_list() {
287 return _fixup_mirror_list;
288 }
289 static void set_fixup_mirror_list(GrowableArray<Klass*>* v) {
290 _fixup_mirror_list = v;
291 }
292 // Debugging
293 friend class JavaClasses;
294 friend class InstanceKlass; // verification code accesses offsets
295 friend class ClassFileParser; // access to number_of_fake_fields
296 };
297
298 // Interface to java.lang.Thread objects
299
300 class java_lang_Thread : AllStatic {
301 private:
302 // Note that for this class the layout changed between JDK1.2 and JDK1.3,
303 // so we compute the offsets at startup rather than hard-wiring them.
304 static int _name_offset;
305 static int _group_offset;
306 static int _contextClassLoader_offset;
307 static int _inheritedAccessControlContext_offset;
308 static int _priority_offset;
309 static int _eetop_offset;
310 static int _daemon_offset;
311 static int _stillborn_offset;
312 static int _stackSize_offset;
313 static int _tid_offset;
314 static int _thread_status_offset;
315 static int _park_blocker_offset;
316 static int _park_event_offset ;
317
318 static void compute_offsets();
319
320 public:
321 // Instance creation
322 static oop create();
323 // Returns the JavaThread associated with the thread obj
324 static JavaThread* thread(oop java_thread);
325 // Set JavaThread for instance
326 static void set_thread(oop java_thread, JavaThread* thread);
327 // Name
328 static typeArrayOop name(oop java_thread);
329 static void set_name(oop java_thread, typeArrayOop name);
330 // Priority
331 static ThreadPriority priority(oop java_thread);
332 static void set_priority(oop java_thread, ThreadPriority priority);
333 // Thread group
334 static oop threadGroup(oop java_thread);
335 // Stillborn
336 static bool is_stillborn(oop java_thread);
337 static void set_stillborn(oop java_thread);
338 // Alive (NOTE: this is not really a field, but provides the correct
339 // definition without doing a Java call)
340 static bool is_alive(oop java_thread);
341 // Daemon
342 static bool is_daemon(oop java_thread);
343 static void set_daemon(oop java_thread);
344 // Context ClassLoader
345 static oop context_class_loader(oop java_thread);
346 // Control context
347 static oop inherited_access_control_context(oop java_thread);
348 // Stack size hint
349 static jlong stackSize(oop java_thread);
350 // Thread ID
351 static jlong thread_id(oop java_thread);
352
353 // Blocker object responsible for thread parking
354 static oop park_blocker(oop java_thread);
355
356 // Pointer to type-stable park handler, encoded as jlong.
357 // Should be set when apparently null
358 // For details, see unsafe.cpp Unsafe_Unpark
359 static jlong park_event(oop java_thread);
360 static bool set_park_event(oop java_thread, jlong ptr);
361
362 // Java Thread Status for JVMTI and M&M use.
363 // This thread status info is saved in threadStatus field of
364 // java.lang.Thread java class.
365 enum ThreadStatus {
366 NEW = 0,
367 RUNNABLE = JVMTI_THREAD_STATE_ALIVE + // runnable / running
368 JVMTI_THREAD_STATE_RUNNABLE,
369 SLEEPING = JVMTI_THREAD_STATE_ALIVE + // Thread.sleep()
370 JVMTI_THREAD_STATE_WAITING +
371 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT +
372 JVMTI_THREAD_STATE_SLEEPING,
373 IN_OBJECT_WAIT = JVMTI_THREAD_STATE_ALIVE + // Object.wait()
374 JVMTI_THREAD_STATE_WAITING +
375 JVMTI_THREAD_STATE_WAITING_INDEFINITELY +
376 JVMTI_THREAD_STATE_IN_OBJECT_WAIT,
377 IN_OBJECT_WAIT_TIMED = JVMTI_THREAD_STATE_ALIVE + // Object.wait(long)
378 JVMTI_THREAD_STATE_WAITING +
379 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT +
380 JVMTI_THREAD_STATE_IN_OBJECT_WAIT,
381 PARKED = JVMTI_THREAD_STATE_ALIVE + // LockSupport.park()
382 JVMTI_THREAD_STATE_WAITING +
383 JVMTI_THREAD_STATE_WAITING_INDEFINITELY +
384 JVMTI_THREAD_STATE_PARKED,
385 PARKED_TIMED = JVMTI_THREAD_STATE_ALIVE + // LockSupport.park(long)
386 JVMTI_THREAD_STATE_WAITING +
387 JVMTI_THREAD_STATE_WAITING_WITH_TIMEOUT +
388 JVMTI_THREAD_STATE_PARKED,
389 BLOCKED_ON_MONITOR_ENTER = JVMTI_THREAD_STATE_ALIVE + // (re-)entering a synchronization block
390 JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER,
391 TERMINATED = JVMTI_THREAD_STATE_TERMINATED
392 };
393 // Write thread status info to threadStatus field of java.lang.Thread.
394 static void set_thread_status(oop java_thread_oop, ThreadStatus status);
395 // Read thread status info from threadStatus field of java.lang.Thread.
396 static ThreadStatus get_thread_status(oop java_thread_oop);
397
398 static const char* thread_status_name(oop java_thread_oop);
399
400 // Debugging
401 friend class JavaClasses;
402 };
403
404 // Interface to java.lang.ThreadGroup objects
405
406 class java_lang_ThreadGroup : AllStatic {
407 private:
408 static int _parent_offset;
409 static int _name_offset;
410 static int _threads_offset;
411 static int _groups_offset;
412 static int _maxPriority_offset;
413 static int _destroyed_offset;
414 static int _daemon_offset;
415 static int _vmAllowSuspension_offset;
416 static int _nthreads_offset;
417 static int _ngroups_offset;
418
419 static void compute_offsets();
420
421 public:
422 // parent ThreadGroup
423 static oop parent(oop java_thread_group);
424 // name
425 static typeArrayOop name(oop java_thread_group);
426 // ("name as oop" accessor is not necessary)
427 // Number of threads in group
428 static int nthreads(oop java_thread_group);
429 // threads
430 static objArrayOop threads(oop java_thread_group);
431 // Number of threads in group
432 static int ngroups(oop java_thread_group);
433 // groups
434 static objArrayOop groups(oop java_thread_group);
435 // maxPriority in group
436 static ThreadPriority maxPriority(oop java_thread_group);
437 // Destroyed
438 static bool is_destroyed(oop java_thread_group);
439 // Daemon
440 static bool is_daemon(oop java_thread_group);
441 // vmAllowSuspension
442 static bool is_vmAllowSuspension(oop java_thread_group);
443 // Debugging
444 friend class JavaClasses;
445 };
446
447
448
449 // Interface to java.lang.Throwable objects
450
451 class java_lang_Throwable: AllStatic {
452 friend class BacktraceBuilder;
453
454 private:
455 // Offsets
456 enum {
457 hc_backtrace_offset = 0,
458 hc_detailMessage_offset = 1,
459 hc_cause_offset = 2, // New since 1.4
460 hc_stackTrace_offset = 3 // New since 1.4
461 };
462 enum {
463 hc_static_unassigned_stacktrace_offset = 0 // New since 1.7
464 };
465 // Trace constants
466 enum {
467 trace_methods_offset = 0,
468 trace_bcis_offset = 1,
469 trace_mirrors_offset = 2,
470 trace_next_offset = 3,
471 trace_size = 4,
472 trace_chunk_size = 32
473 };
474
475 static int backtrace_offset;
476 static int detailMessage_offset;
477 static int cause_offset;
478 static int stackTrace_offset;
479 static int static_unassigned_stacktrace_offset;
480
481 // Printing
482 static char* print_stack_element_to_buffer(Handle mirror, int method, int version, int bci);
483 // StackTrace (programmatic access, new since 1.4)
484 static void clear_stacktrace(oop throwable);
485 // No stack trace available
486 static const char* no_stack_trace_message();
487 // Stacktrace (post JDK 1.7.0 to allow immutability protocol to be followed)
488 static void set_stacktrace(oop throwable, oop st_element_array);
489 static oop unassigned_stacktrace();
490
491 public:
492 // Backtrace
493 static oop backtrace(oop throwable);
494 static void set_backtrace(oop throwable, oop value);
495 // Needed by JVMTI to filter out this internal field.
496 static int get_backtrace_offset() { return backtrace_offset;}
497 static int get_detailMessage_offset() { return detailMessage_offset;}
498 // Message
499 static oop message(oop throwable);
500 static oop message(Handle throwable);
501 static void set_message(oop throwable, oop value);
502 static void print_stack_element(outputStream *st, Handle mirror, int method,
503 int version, int bci);
504 static void print_stack_element(outputStream *st, methodHandle method, int bci);
505 static void print_stack_usage(Handle stream);
506
507 // Allocate space for backtrace (created but stack trace not filled in)
508 static void allocate_backtrace(Handle throwable, TRAPS);
509 // Fill in current stack trace for throwable with preallocated backtrace (no GC)
510 static void fill_in_stack_trace_of_preallocated_backtrace(Handle throwable);
511 // Fill in current stack trace, can cause GC
512 static void fill_in_stack_trace(Handle throwable, methodHandle method, TRAPS);
513 static void fill_in_stack_trace(Handle throwable, methodHandle method = methodHandle());
514 // Programmatic access to stack trace
515 static oop get_stack_trace_element(oop throwable, int index, TRAPS);
516 static int get_stack_trace_depth(oop throwable, TRAPS);
517 // Printing
518 static void print(oop throwable, outputStream* st);
519 static void print(Handle throwable, outputStream* st);
520 static void print_stack_trace(oop throwable, outputStream* st);
521 // Debugging
522 friend class JavaClasses;
523 };
524
525
526 // Interface to java.lang.reflect.AccessibleObject objects
527
528 class java_lang_reflect_AccessibleObject: AllStatic {
529 private:
530 // Note that to reduce dependencies on the JDK we compute these
531 // offsets at run-time.
532 static int override_offset;
533
534 static void compute_offsets();
535
536 public:
537 // Accessors
538 static jboolean override(oop reflect);
539 static void set_override(oop reflect, jboolean value);
540
541 // Debugging
542 friend class JavaClasses;
543 };
544
545
546 // Interface to java.lang.reflect.Method objects
547
548 class java_lang_reflect_Method : public java_lang_reflect_AccessibleObject {
549 private:
550 // Note that to reduce dependencies on the JDK we compute these
551 // offsets at run-time.
552 static int clazz_offset;
553 static int name_offset;
554 static int returnType_offset;
555 static int parameterTypes_offset;
556 static int exceptionTypes_offset;
557 static int slot_offset;
558 static int modifiers_offset;
559 static int signature_offset;
560 static int annotations_offset;
561 static int parameter_annotations_offset;
562 static int annotation_default_offset;
563 static int type_annotations_offset;
564
565 static void compute_offsets();
566
567 public:
568 // Allocation
569 static Handle create(TRAPS);
570
571 // Accessors
572 static oop clazz(oop reflect);
573 static void set_clazz(oop reflect, oop value);
574
575 static oop name(oop method);
576 static void set_name(oop method, oop value);
577
578 static oop return_type(oop method);
579 static void set_return_type(oop method, oop value);
580
581 static oop parameter_types(oop method);
582 static void set_parameter_types(oop method, oop value);
583
584 static oop exception_types(oop method);
585 static void set_exception_types(oop method, oop value);
586
587 static int slot(oop reflect);
588 static void set_slot(oop reflect, int value);
589
590 static int modifiers(oop method);
591 static void set_modifiers(oop method, int value);
592
593 static bool has_signature_field();
594 static oop signature(oop method);
595 static void set_signature(oop method, oop value);
596
597 static bool has_annotations_field();
598 static oop annotations(oop method);
599 static void set_annotations(oop method, oop value);
600
601 static bool has_parameter_annotations_field();
602 static oop parameter_annotations(oop method);
603 static void set_parameter_annotations(oop method, oop value);
604
605 static bool has_annotation_default_field();
606 static oop annotation_default(oop method);
607 static void set_annotation_default(oop method, oop value);
608
609 static bool has_type_annotations_field();
610 static oop type_annotations(oop method);
611 static void set_type_annotations(oop method, oop value);
612
613 // Debugging
614 friend class JavaClasses;
615 };
616
617
618 // Interface to java.lang.reflect.Constructor objects
619
620 class java_lang_reflect_Constructor : public java_lang_reflect_AccessibleObject {
621 private:
622 // Note that to reduce dependencies on the JDK we compute these
623 // offsets at run-time.
624 static int clazz_offset;
625 static int parameterTypes_offset;
626 static int exceptionTypes_offset;
627 static int slot_offset;
628 static int modifiers_offset;
629 static int signature_offset;
630 static int annotations_offset;
631 static int parameter_annotations_offset;
632 static int type_annotations_offset;
633
634 static void compute_offsets();
635
636 public:
637 // Allocation
638 static Handle create(TRAPS);
639
640 // Accessors
641 static oop clazz(oop reflect);
642 static void set_clazz(oop reflect, oop value);
643
644 static oop parameter_types(oop constructor);
645 static void set_parameter_types(oop constructor, oop value);
646
647 static oop exception_types(oop constructor);
648 static void set_exception_types(oop constructor, oop value);
649
650 static int slot(oop reflect);
651 static void set_slot(oop reflect, int value);
652
653 static int modifiers(oop constructor);
654 static void set_modifiers(oop constructor, int value);
655
656 static bool has_signature_field();
657 static oop signature(oop constructor);
658 static void set_signature(oop constructor, oop value);
659
660 static bool has_annotations_field();
661 static oop annotations(oop constructor);
662 static void set_annotations(oop constructor, oop value);
663
664 static bool has_parameter_annotations_field();
665 static oop parameter_annotations(oop method);
666 static void set_parameter_annotations(oop method, oop value);
667
668 static bool has_type_annotations_field();
669 static oop type_annotations(oop constructor);
670 static void set_type_annotations(oop constructor, oop value);
671
672 // Debugging
673 friend class JavaClasses;
674 };
675
676
677 // Interface to java.lang.reflect.Field objects
678
679 class java_lang_reflect_Field : public java_lang_reflect_AccessibleObject {
680 private:
681 // Note that to reduce dependencies on the JDK we compute these
682 // offsets at run-time.
683 static int clazz_offset;
684 static int name_offset;
685 static int type_offset;
686 static int slot_offset;
687 static int modifiers_offset;
688 static int signature_offset;
689 static int annotations_offset;
690 static int type_annotations_offset;
691
692 static void compute_offsets();
693
694 public:
695 // Allocation
696 static Handle create(TRAPS);
697
698 // Accessors
699 static oop clazz(oop reflect);
700 static void set_clazz(oop reflect, oop value);
701
702 static oop name(oop field);
703 static void set_name(oop field, oop value);
704
705 static oop type(oop field);
706 static void set_type(oop field, oop value);
707
708 static int slot(oop reflect);
709 static void set_slot(oop reflect, int value);
710
711 static int modifiers(oop field);
712 static void set_modifiers(oop field, int value);
713
714 static bool has_signature_field();
715 static oop signature(oop constructor);
716 static void set_signature(oop constructor, oop value);
717
718 static bool has_annotations_field();
719 static oop annotations(oop constructor);
720 static void set_annotations(oop constructor, oop value);
721
722 static bool has_parameter_annotations_field();
723 static oop parameter_annotations(oop method);
724 static void set_parameter_annotations(oop method, oop value);
725
726 static bool has_annotation_default_field();
727 static oop annotation_default(oop method);
728 static void set_annotation_default(oop method, oop value);
729
730 static bool has_type_annotations_field();
731 static oop type_annotations(oop field);
732 static void set_type_annotations(oop field, oop value);
733
734 // Debugging
735 friend class JavaClasses;
736 };
737
738 class java_lang_reflect_Parameter {
739 private:
740 // Note that to reduce dependencies on the JDK we compute these
741 // offsets at run-time.
742 static int name_offset;
743 static int modifiers_offset;
744 static int index_offset;
745 static int executable_offset;
746
747 static void compute_offsets();
748
749 public:
750 // Allocation
751 static Handle create(TRAPS);
752
753 // Accessors
754 static oop name(oop field);
755 static void set_name(oop field, oop value);
756
757 static int index(oop reflect);
758 static void set_index(oop reflect, int value);
759
760 static int modifiers(oop reflect);
761 static void set_modifiers(oop reflect, int value);
762
763 static oop executable(oop constructor);
764 static void set_executable(oop constructor, oop value);
765
766 friend class JavaClasses;
767 };
768
769 // Interface to sun.reflect.ConstantPool objects
770 class sun_reflect_ConstantPool {
771 private:
772 // Note that to reduce dependencies on the JDK we compute these
773 // offsets at run-time.
774 static int _oop_offset;
775
776 static void compute_offsets();
777
778 public:
779 // Allocation
780 static Handle create(TRAPS);
781
782 // Accessors
783 static void set_cp(oop reflect, ConstantPool* value);
784 static int oop_offset() {
785 return _oop_offset;
786 }
787
788 static ConstantPool* get_cp(oop reflect);
789
790 // Debugging
791 friend class JavaClasses;
792 };
793
794 // Interface to sun.reflect.UnsafeStaticFieldAccessorImpl objects
795 class sun_reflect_UnsafeStaticFieldAccessorImpl {
796 private:
797 static int _base_offset;
798 static void compute_offsets();
799
800 public:
801 static int base_offset() {
802 return _base_offset;
803 }
804
805 // Debugging
806 friend class JavaClasses;
807 };
808
809 // Interface to java.lang primitive type boxing objects:
810 // - java.lang.Boolean
811 // - java.lang.Character
812 // - java.lang.Float
813 // - java.lang.Double
814 // - java.lang.Byte
815 // - java.lang.Short
816 // - java.lang.Integer
817 // - java.lang.Long
818
819 // This could be separated out into 8 individual classes.
820
821 class java_lang_boxing_object: AllStatic {
822 private:
823 enum {
824 hc_value_offset = 0
825 };
826 static int value_offset;
827 static int long_value_offset;
828
829 static oop initialize_and_allocate(BasicType type, TRAPS);
830 public:
831 // Allocation. Returns a boxed value, or NULL for invalid type.
832 static oop create(BasicType type, jvalue* value, TRAPS);
833 // Accessors. Returns the basic type being boxed, or T_ILLEGAL for invalid oop.
834 static BasicType get_value(oop box, jvalue* value);
835 static BasicType set_value(oop box, jvalue* value);
836 static BasicType basic_type(oop box);
837 static bool is_instance(oop box) { return basic_type(box) != T_ILLEGAL; }
838 static bool is_instance(oop box, BasicType type) { return basic_type(box) == type; }
839 static void print(oop box, outputStream* st) { jvalue value; print(get_value(box, &value), &value, st); }
840 static void print(BasicType type, jvalue* value, outputStream* st);
841
842 static int value_offset_in_bytes(BasicType type) {
843 return ( type == T_LONG || type == T_DOUBLE ) ? long_value_offset :
844 value_offset;
845 }
846
847 // Debugging
848 friend class JavaClasses;
849 };
850
851
852
853 // Interface to java.lang.ref.Reference objects
854
855 class java_lang_ref_Reference: AllStatic {
856 public:
857 enum {
858 hc_referent_offset = 0,
859 hc_queue_offset = 1,
860 hc_next_offset = 2,
861 hc_discovered_offset = 3 // Is not last, see SoftRefs.
862 };
863 enum {
864 hc_static_lock_offset = 0,
865 hc_static_pending_offset = 1
866 };
867
868 static int referent_offset;
869 static int queue_offset;
870 static int next_offset;
871 static int discovered_offset;
872 static int static_lock_offset;
873 static int static_pending_offset;
874 static int number_of_fake_oop_fields;
875
876 // Accessors
877 static oop referent(oop ref) {
878 return ref->obj_field(referent_offset);
879 }
880 static void set_referent(oop ref, oop value) {
881 ref->obj_field_put(referent_offset, value);
882 }
883 static void set_referent_raw(oop ref, oop value) {
884 ref->obj_field_put_raw(referent_offset, value);
885 }
886 static HeapWord* referent_addr(oop ref) {
887 return ref->obj_field_addr<HeapWord>(referent_offset);
888 }
889 static oop next(oop ref) {
890 return ref->obj_field(next_offset);
891 }
892 static void set_next(oop ref, oop value) {
893 ref->obj_field_put(next_offset, value);
894 }
895 static void set_next_raw(oop ref, oop value) {
896 ref->obj_field_put_raw(next_offset, value);
897 }
898 static HeapWord* next_addr(oop ref) {
899 return ref->obj_field_addr<HeapWord>(next_offset);
900 }
901 static oop discovered(oop ref) {
902 return ref->obj_field(discovered_offset);
903 }
904 static void set_discovered(oop ref, oop value) {
905 ref->obj_field_put(discovered_offset, value);
906 }
907 static void set_discovered_raw(oop ref, oop value) {
908 ref->obj_field_put_raw(discovered_offset, value);
909 }
910 static HeapWord* discovered_addr(oop ref) {
911 return ref->obj_field_addr<HeapWord>(discovered_offset);
912 }
913 // Accessors for statics
914 static oop pending_list_lock();
915 static oop pending_list();
916
917 static HeapWord* pending_list_lock_addr();
918 static HeapWord* pending_list_addr();
919 };
920
921
922 // Interface to java.lang.ref.SoftReference objects
923
924 class java_lang_ref_SoftReference: public java_lang_ref_Reference {
925 public:
926 enum {
927 // The timestamp is a long field and may need to be adjusted for alignment.
928 hc_timestamp_offset = hc_discovered_offset + 1
929 };
930 enum {
931 hc_static_clock_offset = 0
932 };
933
934 static int timestamp_offset;
935 static int static_clock_offset;
936
937 // Accessors
938 static jlong timestamp(oop ref);
939
940 // Accessors for statics
941 static jlong clock();
942 static void set_clock(jlong value);
943 };
944
945
946 // Interface to java.lang.invoke.MethodHandle objects
947
948 class MethodHandleEntry;
949
950 class java_lang_invoke_MethodHandle: AllStatic {
951 friend class JavaClasses;
952
953 private:
954 static int _type_offset; // the MethodType of this MH
955 static int _form_offset; // the LambdaForm of this MH
956
957 static void compute_offsets();
958
959 public:
960 // Accessors
961 static oop type(oop mh);
962 static void set_type(oop mh, oop mtype);
963
964 static oop form(oop mh);
965 static void set_form(oop mh, oop lform);
966
967 // Testers
968 static bool is_subclass(Klass* klass) {
969 return klass->is_subclass_of(SystemDictionary::MethodHandle_klass());
970 }
971 static bool is_instance(oop obj) {
972 return obj != NULL && is_subclass(obj->klass());
973 }
974
975 // Accessors for code generation:
976 static int type_offset_in_bytes() { return _type_offset; }
977 static int form_offset_in_bytes() { return _form_offset; }
978 };
979
980 // Interface to java.lang.invoke.DirectMethodHandle objects
981
982 class java_lang_invoke_DirectMethodHandle: AllStatic {
983 friend class JavaClasses;
984
985 private:
986 static int _member_offset; // the MemberName of this DMH
987
988 static void compute_offsets();
989
990 public:
991 // Accessors
992 static oop member(oop mh);
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