1 /*
2 * Copyright (c) 1997, 2015, 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_PRIMS_JVM_H
26 #define SHARE_VM_PRIMS_JVM_H
27
28 #include "prims/jni.h"
29 #ifdef TARGET_OS_FAMILY_linux
30 # include "jvm_linux.h"
31 #endif
32 #ifdef TARGET_OS_FAMILY_solaris
33 # include "jvm_solaris.h"
34 #endif
35 #ifdef TARGET_OS_FAMILY_windows
36 # include "jvm_windows.h"
37 #endif
38 #ifdef TARGET_OS_FAMILY_aix
39 # include "jvm_aix.h"
40 #endif
41 #ifdef TARGET_OS_FAMILY_bsd
42 # include "jvm_bsd.h"
43 #endif
44
45 #ifndef _JAVASOFT_JVM_H_
46 #define _JAVASOFT_JVM_H_
47
48 // HotSpot integration note:
49 //
50 // This file and jvm.h used with the JDK are identical,
51 // except for the three includes removed below
52
53 // #include <sys/stat.h>
54 // #include "jni.h"
55 // #include "jvm_md.h"
56
57
58 #ifdef __cplusplus
59 extern "C" {
60 #endif
61
62 /*
63 * This file contains additional functions exported from the VM.
64 * These functions are complementary to the standard JNI support.
65 * There are three parts to this file:
66 *
67 * First, this file contains the VM-related functions needed by native
68 * libraries in the standard Java API. For example, the java.lang.Object
69 * class needs VM-level functions that wait for and notify monitors.
70 *
71 * Second, this file contains the functions and constant definitions
72 * needed by the byte code verifier and class file format checker.
73 * These functions allow the verifier and format checker to be written
74 * in a VM-independent way.
75 *
76 * Third, this file contains various I/O and nerwork operations needed
77 * by the standard Java I/O and network APIs.
78 */
79
80 /*
81 * Bump the version number when either of the following happens:
82 *
83 * 1. There is a change in JVM_* functions.
84 *
85 * 2. There is a change in the contract between VM and Java classes.
86 * For example, if the VM relies on a new private field in Thread
87 * class.
88 */
89
90 #define JVM_INTERFACE_VERSION 5
91
92 JNIEXPORT jobjectArray JNICALL
93 JVM_GetMethodParameters(JNIEnv *env, jobject method);
94
95 JNIEXPORT jint JNICALL
96 JVM_GetInterfaceVersion(void);
97
98 /*************************************************************************
99 PART 1: Functions for Native Libraries
100 ************************************************************************/
101 /*
102 * java.lang.Object
103 */
104 JNIEXPORT jint JNICALL
105 JVM_IHashCode(JNIEnv *env, jobject obj);
106
107 JNIEXPORT void JNICALL
108 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms);
109
110 JNIEXPORT void JNICALL
111 JVM_MonitorNotify(JNIEnv *env, jobject obj);
112
113 JNIEXPORT void JNICALL
114 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj);
115
116 JNIEXPORT jobject JNICALL
117 JVM_Clone(JNIEnv *env, jobject obj);
118
119 /*
120 * java.lang.String
121 */
122 JNIEXPORT jstring JNICALL
123 JVM_InternString(JNIEnv *env, jstring str);
124
125 /*
126 * java.lang.System
127 */
128 JNIEXPORT jlong JNICALL
129 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored);
130
131 JNIEXPORT jlong JNICALL
132 JVM_NanoTime(JNIEnv *env, jclass ignored);
133
134 JNIEXPORT jlong JNICALL
135 JVM_GetNanoTimeAdjustment(JNIEnv *env, jclass ignored, jlong offset_secs);
136
137 JNIEXPORT void JNICALL
138 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
139 jobject dst, jint dst_pos, jint length);
140
141 JNIEXPORT jobject JNICALL
142 JVM_InitProperties(JNIEnv *env, jobject p);
143
144 JNIEXPORT void JNICALL
145 JVM_Halt(jint code);
146
147 JNIEXPORT void JNICALL
148 JVM_GC(void);
149
150 /* Returns the number of real-time milliseconds that have elapsed since the
151 * least-recently-inspected heap object was last inspected by the garbage
152 * collector.
153 *
154 * For simple stop-the-world collectors this value is just the time
155 * since the most recent collection. For generational collectors it is the
156 * time since the oldest generation was most recently collected. Other
157 * collectors are free to return a pessimistic estimate of the elapsed time, or
158 * simply the time since the last full collection was performed.
159 *
160 * Note that in the presence of reference objects, a given object that is no
161 * longer strongly reachable may have to be inspected multiple times before it
162 * can be reclaimed.
163 */
164 JNIEXPORT jlong JNICALL
165 JVM_MaxObjectInspectionAge(void);
166
167 JNIEXPORT jlong JNICALL
168 JVM_TotalMemory(void);
169
170 JNIEXPORT jlong JNICALL
171 JVM_FreeMemory(void);
172
173 JNIEXPORT jlong JNICALL
174 JVM_MaxMemory(void);
175
176 JNIEXPORT jint JNICALL
177 JVM_ActiveProcessorCount(void);
178
179 JNIEXPORT void * JNICALL
180 JVM_LoadLibrary(const char *name);
181
182 JNIEXPORT void JNICALL
183 JVM_UnloadLibrary(void * handle);
184
185 JNIEXPORT void * JNICALL
186 JVM_FindLibraryEntry(void *handle, const char *name);
187
188 JNIEXPORT jboolean JNICALL
189 JVM_IsSupportedJNIVersion(jint version);
190
191 /*
192 * java.lang.Throwable
193 */
194 JNIEXPORT void JNICALL
195 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
196
197 JNIEXPORT jint JNICALL
198 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable);
199
200 JNIEXPORT jobject JNICALL
201 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index);
202
203 /*
204 * java.lang.StackWalker
205 */
206 enum {
207 JVM_STACKWALK_FILL_CLASS_REFS_ONLY = 0x2,
208 JVM_STACKWALK_FILTER_FILL_IN_STACK_TRACE = 0x10,
209 JVM_STACKWALK_SHOW_HIDDEN_FRAMES = 0x20,
210 JVM_STACKWALK_FILL_LIVE_STACK_FRAMES = 0x100
211 };
212
213 JNIEXPORT jobject JNICALL
214 JVM_CallStackWalk(JNIEnv *env, jobject stackStream, jlong mode,
215 jint skip_frames, jint frame_count, jint start_index,
216 jobjectArray classes,
217 jobjectArray frames);
218
219 JNIEXPORT jint JNICALL
220 JVM_MoreStackWalk(JNIEnv *env, jobject stackStream, jlong mode, jlong anchor,
221 jint frame_count, jint start_index,
222 jobjectArray classes,
223 jobjectArray frames);
224
225 JNIEXPORT void JNICALL
226 JVM_FillStackFrames(JNIEnv* env, jclass cls,
227 jint start_index,
228 jobjectArray frames,
229 jint from_index, jint toIndex);
230
231 JNIEXPORT void JNICALL
232 JVM_SetMethodInfo(JNIEnv* env, jobject frame);
233
234 /*
235 * java.lang.Thread
236 */
237 JNIEXPORT void JNICALL
238 JVM_StartThread(JNIEnv *env, jobject thread);
239
240 JNIEXPORT void JNICALL
241 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
242
243 JNIEXPORT jboolean JNICALL
244 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
245
246 JNIEXPORT void JNICALL
247 JVM_SuspendThread(JNIEnv *env, jobject thread);
248
249 JNIEXPORT void JNICALL
250 JVM_ResumeThread(JNIEnv *env, jobject thread);
251
252 JNIEXPORT void JNICALL
253 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
254
255 JNIEXPORT void JNICALL
256 JVM_Yield(JNIEnv *env, jclass threadClass);
257
258 JNIEXPORT void JNICALL
259 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
260
261 JNIEXPORT jobject JNICALL
262 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
263
264 JNIEXPORT jint JNICALL
265 JVM_CountStackFrames(JNIEnv *env, jobject thread);
266
267 JNIEXPORT void JNICALL
268 JVM_Interrupt(JNIEnv *env, jobject thread);
269
270 JNIEXPORT jboolean JNICALL
271 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
272
273 JNIEXPORT jboolean JNICALL
274 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
275
276 JNIEXPORT void JNICALL
277 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
278
279 JNIEXPORT jobjectArray JNICALL
280 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
281
282 JNIEXPORT void JNICALL
283 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name);
284
285 /* getStackTrace() and getAllStackTraces() method */
286 JNIEXPORT jobjectArray JNICALL
287 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
288
289 /*
290 * java.lang.SecurityManager
291 */
292 JNIEXPORT jclass JNICALL
293 JVM_CurrentLoadedClass(JNIEnv *env);
294
295 JNIEXPORT jobject JNICALL
296 JVM_CurrentClassLoader(JNIEnv *env);
297
298 JNIEXPORT jobjectArray JNICALL
299 JVM_GetClassContext(JNIEnv *env);
300
301 JNIEXPORT jint JNICALL
302 JVM_ClassDepth(JNIEnv *env, jstring name);
303
304 JNIEXPORT jint JNICALL
305 JVM_ClassLoaderDepth(JNIEnv *env);
306
307 /*
308 * java.lang.Package
309 */
310 JNIEXPORT jstring JNICALL
311 JVM_GetSystemPackage(JNIEnv *env, jstring name);
312
313 JNIEXPORT jobjectArray JNICALL
314 JVM_GetSystemPackages(JNIEnv *env);
315
316 /*
317 * java.io.ObjectInputStream
318 */
319 JNIEXPORT jobject JNICALL
320 JVM_LatestUserDefinedLoader(JNIEnv *env);
321
322 /*
323 * java.lang.reflect.Array
324 */
325 JNIEXPORT jint JNICALL
326 JVM_GetArrayLength(JNIEnv *env, jobject arr);
327
328 JNIEXPORT jobject JNICALL
329 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
330
331 JNIEXPORT jvalue JNICALL
332 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
333
334 JNIEXPORT void JNICALL
335 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
336
337 JNIEXPORT void JNICALL
338 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
339 unsigned char vCode);
340
341 JNIEXPORT jobject JNICALL
342 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
343
344 JNIEXPORT jobject JNICALL
345 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
346
347 /*
348 * java.lang.Class and java.lang.ClassLoader
349 */
350
351 #define JVM_CALLER_DEPTH -1
352
353 /*
354 * Returns the class in which the code invoking the native method
355 * belongs.
356 *
357 * Note that in JDK 1.1, native methods did not create a frame.
358 * In 1.2, they do. Therefore native methods like Class.forName
359 * can no longer look at the current frame for the caller class.
360 */
361 JNIEXPORT jclass JNICALL
362 JVM_GetCallerClass(JNIEnv *env, int n);
363
364 /*
365 * Find primitive classes
366 * utf: class name
367 */
368 JNIEXPORT jclass JNICALL
369 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
370
371 /*
372 * Find a class from a boot class loader. Returns NULL if class not found.
373 */
374 JNIEXPORT jclass JNICALL
375 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name);
376
377 /*
378 * Find a class from a given class loader. Throws ClassNotFoundException.
379 * name: name of class
380 * init: whether initialization is done
381 * loader: class loader to look up the class. This may not be the same as the caller's
382 * class loader.
383 * caller: initiating class. The initiating class may be null when a security
384 * manager is not installed.
385 */
386 JNIEXPORT jclass JNICALL
387 JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init,
388 jobject loader, jclass caller);
389
390 /*
391 * Find a class from a given class.
392 */
393 JNIEXPORT jclass JNICALL
394 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
395 jclass from);
396
397 /* Find a loaded class cached by the VM */
398 JNIEXPORT jclass JNICALL
399 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
400
401 /* Define a class */
402 JNIEXPORT jclass JNICALL
403 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
404 jsize len, jobject pd);
405
406 /* Define a class with a source (added in JDK1.5) */
407 JNIEXPORT jclass JNICALL
408 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
409 const jbyte *buf, jsize len, jobject pd,
410 const char *source);
411
412 /*
413 * Reflection support functions
414 */
415
416 JNIEXPORT jstring JNICALL
417 JVM_GetClassName(JNIEnv *env, jclass cls);
418
419 JNIEXPORT jobjectArray JNICALL
420 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
421
422 JNIEXPORT jboolean JNICALL
423 JVM_IsInterface(JNIEnv *env, jclass cls);
424
425 JNIEXPORT jobjectArray JNICALL
426 JVM_GetClassSigners(JNIEnv *env, jclass cls);
427
428 JNIEXPORT void JNICALL
429 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
430
431 JNIEXPORT jobject JNICALL
432 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
433
434 JNIEXPORT jboolean JNICALL
435 JVM_IsArrayClass(JNIEnv *env, jclass cls);
436
437 JNIEXPORT jboolean JNICALL
438 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
439
440 JNIEXPORT jint JNICALL
441 JVM_GetClassModifiers(JNIEnv *env, jclass cls);
442
443 JNIEXPORT jobjectArray JNICALL
444 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass);
445
446 JNIEXPORT jclass JNICALL
447 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass);
448
449 JNIEXPORT jstring JNICALL
450 JVM_GetSimpleBinaryName(JNIEnv *env, jclass ofClass);
451
452 /* Generics support (JDK 1.5) */
453 JNIEXPORT jstring JNICALL
454 JVM_GetClassSignature(JNIEnv *env, jclass cls);
455
456 /* Annotations support (JDK 1.5) */
457 JNIEXPORT jbyteArray JNICALL
458 JVM_GetClassAnnotations(JNIEnv *env, jclass cls);
459
460 /* Annotations support (JDK 1.6) */
461
462 /* Type use annotations support (JDK 1.8) */
463
464 JNIEXPORT jbyteArray JNICALL
465 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls);
466
467 // field is a handle to a java.lang.reflect.Field object
468 JNIEXPORT jbyteArray JNICALL
469 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field);
470
471 // method is a handle to a java.lang.reflect.Method object
472 JNIEXPORT jbyteArray JNICALL
473 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method);
474
475 /*
476 * New (JDK 1.4) reflection implementation
477 */
478
479 JNIEXPORT jobjectArray JNICALL
480 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
481
482 JNIEXPORT jobjectArray JNICALL
483 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
484
485 JNIEXPORT jobjectArray JNICALL
486 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
487
488 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
489 This returns the access flags for the class as specified in the
490 class file rather than searching the InnerClasses attribute (if
491 present) to find the source-level access flags. Only the values of
492 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
493 valid. */
494 JNIEXPORT jint JNICALL
495 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
496
497 /*
498 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
499 */
500
501 JNIEXPORT jobject JNICALL
502 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
503
504 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
505 (JNIEnv *env, jobject obj, jobject unused);
506
507 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
508 (JNIEnv *env, jobject obj, jobject unused, jint index);
509
510 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
511 (JNIEnv *env, jobject obj, jobject unused, jint index);
512
513 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
514 (JNIEnv *env, jobject obj, jobject unused, jint index);
515
516 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
517 (JNIEnv *env, jobject obj, jobject unused, jint index);
518
519 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
520 (JNIEnv *env, jobject obj, jobject unused, jint index);
521
522 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
523 (JNIEnv *env, jobject obj, jobject unused, jint index);
524
525 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
526 (JNIEnv *env, jobject obj, jobject unused, jint index);
527
528 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetNameAndTypeRefInfoAt
529 (JNIEnv *env, jobject obj, jobject unused, jint index);
530
531 JNIEXPORT jint JNICALL JVM_ConstantPoolGetNameAndTypeRefIndexAt
532 (JNIEnv *env, jobject obj, jobject unused, jint index);
533
534 JNIEXPORT jint JNICALL JVM_ConstantPoolGetClassRefIndexAt
535 (JNIEnv *env, jobject obj, jobject unused, jint index);
536
537 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
538 (JNIEnv *env, jobject obj, jobject unused, jint index);
539
540 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
541 (JNIEnv *env, jobject obj, jobject unused, jint index);
542
543 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
544 (JNIEnv *env, jobject obj, jobject unused, jint index);
545
546 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
547 (JNIEnv *env, jobject obj, jobject unused, jint index);
548
549 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
550 (JNIEnv *env, jobject obj, jobject unused, jint index);
551
552 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
553 (JNIEnv *env, jobject obj, jobject unused, jint index);
554
555 JNIEXPORT jbyte JNICALL JVM_ConstantPoolGetTagAt
556 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
557
558 /*
559 * java.security.*
560 */
561
562 JNIEXPORT jobject JNICALL
563 JVM_DoPrivileged(JNIEnv *env, jclass cls,
564 jobject action, jobject context, jboolean wrapException);
565
566 JNIEXPORT jobject JNICALL
567 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls);
568
569 JNIEXPORT jobject JNICALL
570 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls);
571
572 /*
573 * Signal support, used to implement the shutdown sequence. Every VM must
574 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts
575 * (^C) and the latter for external termination (kill, system shutdown, etc.).
576 * Other platform-dependent signal values may also be supported.
577 */
578
579 JNIEXPORT void * JNICALL
580 JVM_RegisterSignal(jint sig, void *handler);
581
582 JNIEXPORT jboolean JNICALL
583 JVM_RaiseSignal(jint sig);
584
585 JNIEXPORT jint JNICALL
586 JVM_FindSignal(const char *name);
587
588 /*
589 * Retrieve the assertion directives for the specified class.
590 */
591 JNIEXPORT jboolean JNICALL
592 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls);
593
594 /*
595 * Retrieve the assertion directives from the VM.
596 */
597 JNIEXPORT jobject JNICALL
598 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
599
600 /*
601 * java.util.concurrent.atomic.AtomicLong
602 */
603 JNIEXPORT jboolean JNICALL
604 JVM_SupportsCX8(void);
605
606 /*************************************************************************
607 PART 2: Support for the Verifier and Class File Format Checker
608 ************************************************************************/
609 /*
610 * Return the class name in UTF format. The result is valid
611 * until JVM_ReleaseUTf is called.
612 *
613 * The caller must treat the string as a constant and not modify it
614 * in any way.
615 */
616 JNIEXPORT const char * JNICALL
617 JVM_GetClassNameUTF(JNIEnv *env, jclass cb);
618
619 /*
620 * Returns the constant pool types in the buffer provided by "types."
621 */
622 JNIEXPORT void JNICALL
623 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
624
625 /*
626 * Returns the number of Constant Pool entries.
627 */
628 JNIEXPORT jint JNICALL
629 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
630
631 /*
632 * Returns the number of *declared* fields or methods.
633 */
634 JNIEXPORT jint JNICALL
635 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
636
637 JNIEXPORT jint JNICALL
638 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
639
640 /*
641 * Returns the CP indexes of exceptions raised by a given method.
642 * Places the result in the given buffer.
643 *
644 * The method is identified by method_index.
645 */
646 JNIEXPORT void JNICALL
647 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
648 unsigned short *exceptions);
649 /*
650 * Returns the number of exceptions raised by a given method.
651 * The method is identified by method_index.
652 */
653 JNIEXPORT jint JNICALL
654 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
655
656 /*
657 * Returns the byte code sequence of a given method.
658 * Places the result in the given buffer.
659 *
660 * The method is identified by method_index.
661 */
662 JNIEXPORT void JNICALL
663 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
664 unsigned char *code);
665
666 /*
667 * Returns the length of the byte code sequence of a given method.
668 * The method is identified by method_index.
669 */
670 JNIEXPORT jint JNICALL
671 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
672
673 /*
674 * A structure used to a capture exception table entry in a Java method.
675 */
676 typedef struct {
677 jint start_pc;
678 jint end_pc;
679 jint handler_pc;
680 jint catchType;
681 } JVM_ExceptionTableEntryType;
682
683 /*
684 * Returns the exception table entry at entry_index of a given method.
685 * Places the result in the given buffer.
686 *
687 * The method is identified by method_index.
688 */
689 JNIEXPORT void JNICALL
690 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
691 jint entry_index,
692 JVM_ExceptionTableEntryType *entry);
693
694 /*
695 * Returns the length of the exception table of a given method.
696 * The method is identified by method_index.
697 */
698 JNIEXPORT jint JNICALL
699 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
700
701 /*
702 * Returns the modifiers of a given field.
703 * The field is identified by field_index.
704 */
705 JNIEXPORT jint JNICALL
706 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
707
708 /*
709 * Returns the modifiers of a given method.
710 * The method is identified by method_index.
711 */
712 JNIEXPORT jint JNICALL
713 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
714
715 /*
716 * Returns the number of local variables of a given method.
717 * The method is identified by method_index.
718 */
719 JNIEXPORT jint JNICALL
720 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
721
722 /*
723 * Returns the number of arguments (including this pointer) of a given method.
724 * The method is identified by method_index.
725 */
726 JNIEXPORT jint JNICALL
727 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
728
729 /*
730 * Returns the maximum amount of stack (in words) used by a given method.
731 * The method is identified by method_index.
732 */
733 JNIEXPORT jint JNICALL
734 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
735
736 /*
737 * Is a given method a constructor.
738 * The method is identified by method_index.
739 */
740 JNIEXPORT jboolean JNICALL
741 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
742
743 /*
744 * Is the given method generated by the VM.
745 * The method is identified by method_index.
746 */
747 JNIEXPORT jboolean JNICALL
748 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index);
749
750 /*
751 * Returns the name of a given method in UTF format.
752 * The result remains valid until JVM_ReleaseUTF is called.
753 *
754 * The caller must treat the string as a constant and not modify it
755 * in any way.
756 */
757 JNIEXPORT const char * JNICALL
758 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
759
760 /*
761 * Returns the signature of a given method in UTF format.
762 * The result remains valid until JVM_ReleaseUTF is called.
763 *
764 * The caller must treat the string as a constant and not modify it
765 * in any way.
766 */
767 JNIEXPORT const char * JNICALL
768 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
769
770 /*
771 * Returns the name of the field refered to at a given constant pool
772 * index.
773 *
774 * The result is in UTF format and remains valid until JVM_ReleaseUTF
775 * is called.
776 *
777 * The caller must treat the string as a constant and not modify it
778 * in any way.
779 */
780 JNIEXPORT const char * JNICALL
781 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
782
783 /*
784 * Returns the name of the method refered to at a given constant pool
785 * index.
786 *
787 * The result is in UTF format and remains valid until JVM_ReleaseUTF
788 * is called.
789 *
790 * The caller must treat the string as a constant and not modify it
791 * in any way.
792 */
793 JNIEXPORT const char * JNICALL
794 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
795
796 /*
797 * Returns the signature of the method refered to at a given constant pool
798 * index.
799 *
800 * The result is in UTF format and remains valid until JVM_ReleaseUTF
801 * is called.
802 *
803 * The caller must treat the string as a constant and not modify it
804 * in any way.
805 */
806 JNIEXPORT const char * JNICALL
807 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
808
809 /*
810 * Returns the signature of the field refered to at a given constant pool
811 * index.
812 *
813 * The result is in UTF format and remains valid until JVM_ReleaseUTF
814 * is called.
815 *
816 * The caller must treat the string as a constant and not modify it
817 * in any way.
818 */
819 JNIEXPORT const char * JNICALL
820 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
821
822 /*
823 * Returns the class name refered to at a given constant pool index.
824 *
825 * The result is in UTF format and remains valid until JVM_ReleaseUTF
826 * is called.
827 *
828 * The caller must treat the string as a constant and not modify it
829 * in any way.
830 */
831 JNIEXPORT const char * JNICALL
832 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
833
834 /*
835 * Returns the class name refered to at a given constant pool index.
836 *
837 * The constant pool entry must refer to a CONSTANT_Fieldref.
838 *
839 * The result is in UTF format and remains valid until JVM_ReleaseUTF
840 * is called.
841 *
842 * The caller must treat the string as a constant and not modify it
843 * in any way.
844 */
845 JNIEXPORT const char * JNICALL
846 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
847
848 /*
849 * Returns the class name refered to at a given constant pool index.
850 *
851 * The constant pool entry must refer to CONSTANT_Methodref or
852 * CONSTANT_InterfaceMethodref.
853 *
854 * The result is in UTF format and remains valid until JVM_ReleaseUTF
855 * is called.
856 *
857 * The caller must treat the string as a constant and not modify it
858 * in any way.
859 */
860 JNIEXPORT const char * JNICALL
861 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
862
863 /*
864 * Returns the modifiers of a field in calledClass. The field is
865 * referred to in class cb at constant pool entry index.
866 *
867 * The caller must treat the string as a constant and not modify it
868 * in any way.
869 *
870 * Returns -1 if the field does not exist in calledClass.
871 */
872 JNIEXPORT jint JNICALL
873 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
874
875 /*
876 * Returns the modifiers of a method in calledClass. The method is
877 * referred to in class cb at constant pool entry index.
878 *
879 * Returns -1 if the method does not exist in calledClass.
880 */
881 JNIEXPORT jint JNICALL
882 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
883
884 /*
885 * Releases the UTF string obtained from the VM.
886 */
887 JNIEXPORT void JNICALL
888 JVM_ReleaseUTF(const char *utf);
889
890 /*
891 * Compare if two classes are in the same package.
892 */
893 JNIEXPORT jboolean JNICALL
894 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
895
896 /* Constants in class files */
897
898 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */
899 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */
900 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */
901 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */
902 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */
903 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */
904 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */
905 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */
906 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */
907 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */
908 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */
909 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */
910 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */
911 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */
912 #define JVM_ACC_STRICT 0x0800 /* strict floating point */
913 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */
914 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */
915 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */
916
917 #define JVM_ACC_PUBLIC_BIT 0
918 #define JVM_ACC_PRIVATE_BIT 1
919 #define JVM_ACC_PROTECTED_BIT 2
920 #define JVM_ACC_STATIC_BIT 3
921 #define JVM_ACC_FINAL_BIT 4
922 #define JVM_ACC_SYNCHRONIZED_BIT 5
923 #define JVM_ACC_SUPER_BIT 5
924 #define JVM_ACC_VOLATILE_BIT 6
925 #define JVM_ACC_BRIDGE_BIT 6
926 #define JVM_ACC_TRANSIENT_BIT 7
927 #define JVM_ACC_VARARGS_BIT 7
928 #define JVM_ACC_NATIVE_BIT 8
929 #define JVM_ACC_INTERFACE_BIT 9
930 #define JVM_ACC_ABSTRACT_BIT 10
931 #define JVM_ACC_STRICT_BIT 11
932 #define JVM_ACC_SYNTHETIC_BIT 12
933 #define JVM_ACC_ANNOTATION_BIT 13
934 #define JVM_ACC_ENUM_BIT 14
935
936 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
937 enum {
938 JVM_CONSTANT_Utf8 = 1,
939 JVM_CONSTANT_Unicode, /* unused */
940 JVM_CONSTANT_Integer,
941 JVM_CONSTANT_Float,
942 JVM_CONSTANT_Long,
943 JVM_CONSTANT_Double,
944 JVM_CONSTANT_Class,
945 JVM_CONSTANT_String,
946 JVM_CONSTANT_Fieldref,
947 JVM_CONSTANT_Methodref,
948 JVM_CONSTANT_InterfaceMethodref,
949 JVM_CONSTANT_NameAndType,
950 JVM_CONSTANT_MethodHandle = 15, // JSR 292
951 JVM_CONSTANT_MethodType = 16, // JSR 292
952 //JVM_CONSTANT_(unused) = 17, // JSR 292 early drafts only
953 JVM_CONSTANT_InvokeDynamic = 18, // JSR 292
954 JVM_CONSTANT_ExternalMax = 18 // Last tag found in classfiles
955 };
956
957 /* JVM_CONSTANT_MethodHandle subtypes */
958 enum {
959 JVM_REF_getField = 1,
960 JVM_REF_getStatic = 2,
961 JVM_REF_putField = 3,
962 JVM_REF_putStatic = 4,
963 JVM_REF_invokeVirtual = 5,
964 JVM_REF_invokeStatic = 6,
965 JVM_REF_invokeSpecial = 7,
966 JVM_REF_newInvokeSpecial = 8,
967 JVM_REF_invokeInterface = 9
968 };
969
970 /* Used in the newarray instruction. */
971
972 #define JVM_T_BOOLEAN 4
973 #define JVM_T_CHAR 5
974 #define JVM_T_FLOAT 6
975 #define JVM_T_DOUBLE 7
976 #define JVM_T_BYTE 8
977 #define JVM_T_SHORT 9
978 #define JVM_T_INT 10
979 #define JVM_T_LONG 11
980
981 /* JVM method signatures */
982
983 #define JVM_SIGNATURE_ARRAY '['
984 #define JVM_SIGNATURE_BYTE 'B'
985 #define JVM_SIGNATURE_CHAR 'C'
986 #define JVM_SIGNATURE_CLASS 'L'
987 #define JVM_SIGNATURE_ENDCLASS ';'
988 #define JVM_SIGNATURE_ENUM 'E'
989 #define JVM_SIGNATURE_FLOAT 'F'
990 #define JVM_SIGNATURE_DOUBLE 'D'
991 #define JVM_SIGNATURE_FUNC '('
992 #define JVM_SIGNATURE_ENDFUNC ')'
993 #define JVM_SIGNATURE_INT 'I'
994 #define JVM_SIGNATURE_LONG 'J'
995 #define JVM_SIGNATURE_SHORT 'S'
996 #define JVM_SIGNATURE_VOID 'V'
997 #define JVM_SIGNATURE_BOOLEAN 'Z'
998
999 /*
1000 * A function defined by the byte-code verifier and called by the VM.
1001 * This is not a function implemented in the VM.
1002 *
1003 * Returns JNI_FALSE if verification fails. A detailed error message
1004 * will be places in msg_buf, whose length is specified by buf_len.
1005 */
1006 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
1007 jclass cb,
1008 char * msg_buf,
1009 jint buf_len);
1010
1011
1012 /*
1013 * Support for a VM-independent class format checker.
1014 */
1015 typedef struct {
1016 unsigned long code; /* byte code */
1017 unsigned long excs; /* exceptions */
1018 unsigned long etab; /* catch table */
1019 unsigned long lnum; /* line number */
1020 unsigned long lvar; /* local vars */
1021 } method_size_info;
1022
1023 typedef struct {
1024 unsigned int constants; /* constant pool */
1025 unsigned int fields;
1026 unsigned int methods;
1027 unsigned int interfaces;
1028 unsigned int fields2; /* number of static 2-word fields */
1029 unsigned int innerclasses; /* # of records in InnerClasses attr */
1030
1031 method_size_info clinit; /* memory used in clinit */
1032 method_size_info main; /* used everywhere else */
1033 } class_size_info;
1034
1035 /*
1036 * Functions defined in libjava.so to perform string conversions.
1037 *
1038 */
1039
1040 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1041
1042 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1043
1044 /* This is the function defined in libjava.so that performs class
1045 * format checks. This functions fills in size information about
1046 * the class file and returns:
1047 *
1048 * 0: good
1049 * -1: out of memory
1050 * -2: bad format
1051 * -3: unsupported version
1052 * -4: bad class name
1053 */
1054
1055 typedef jint (*check_format_fn_t)(char *class_name,
1056 unsigned char *data,
1057 unsigned int data_size,
1058 class_size_info *class_size,
1059 char *message_buffer,
1060 jint buffer_length,
1061 jboolean measure_only,
1062 jboolean check_relaxed);
1063
1064 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1065 JVM_ACC_FINAL | \
1066 JVM_ACC_SUPER | \
1067 JVM_ACC_INTERFACE | \
1068 JVM_ACC_ABSTRACT | \
1069 JVM_ACC_ANNOTATION | \
1070 JVM_ACC_ENUM | \
1071 JVM_ACC_SYNTHETIC)
1072
1073 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1074 JVM_ACC_PRIVATE | \
1075 JVM_ACC_PROTECTED | \
1076 JVM_ACC_STATIC | \
1077 JVM_ACC_FINAL | \
1078 JVM_ACC_VOLATILE | \
1079 JVM_ACC_TRANSIENT | \
1080 JVM_ACC_ENUM | \
1081 JVM_ACC_SYNTHETIC)
1082
1083 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1084 JVM_ACC_PRIVATE | \
1085 JVM_ACC_PROTECTED | \
1086 JVM_ACC_STATIC | \
1087 JVM_ACC_FINAL | \
1088 JVM_ACC_SYNCHRONIZED | \
1089 JVM_ACC_BRIDGE | \
1090 JVM_ACC_VARARGS | \
1091 JVM_ACC_NATIVE | \
1092 JVM_ACC_ABSTRACT | \
1093 JVM_ACC_STRICT | \
1094 JVM_ACC_SYNTHETIC)
1095
1096 /*
1097 * This is the function defined in libjava.so to perform path
1098 * canonicalization. VM call this function before opening jar files
1099 * to load system classes.
1100 *
1101 */
1102
1103 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1104
1105 /*************************************************************************
1106 PART 3: I/O and Network Support
1107 ************************************************************************/
1108
1109 /*
1110 * Convert a pathname into native format. This function does syntactic
1111 * cleanup, such as removing redundant separator characters. It modifies
1112 * the given pathname string in place.
1113 */
1114 JNIEXPORT char * JNICALL
1115 JVM_NativePath(char *);
1116
1117 /*
1118 * The standard printing functions supported by the Java VM. (Should they
1119 * be renamed to JVM_* in the future?
1120 */
1121
1122 /* jio_snprintf() and jio_vsnprintf() behave like snprintf(3) and vsnprintf(3),
1123 * respectively, with the following differences:
1124 * - The string written to str is always zero-terminated, also in case of
1125 * truncation (count is too small to hold the result string), unless count
1126 * is 0. In case of truncation count-1 characters are written and '\0'
1127 * appendend.
1128 * - If count is too small to hold the whole string, -1 is returned across
1129 * all platforms. */
1130 JNIEXPORT int
1131 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1132
1133 JNIEXPORT int
1134 jio_snprintf(char *str, size_t count, const char *fmt, ...);
1135
1136 JNIEXPORT int
1137 jio_fprintf(FILE *, const char *fmt, ...);
1138
1139 JNIEXPORT int
1140 jio_vfprintf(FILE *, const char *fmt, va_list args);
1141
1142
1143 JNIEXPORT void * JNICALL
1144 JVM_RawMonitorCreate(void);
1145
1146 JNIEXPORT void JNICALL
1147 JVM_RawMonitorDestroy(void *mon);
1148
1149 JNIEXPORT jint JNICALL
1150 JVM_RawMonitorEnter(void *mon);
1151
1152 JNIEXPORT void JNICALL
1153 JVM_RawMonitorExit(void *mon);
1154
1155 /*
1156 * java.lang.reflect.Method
1157 */
1158 JNIEXPORT jobject JNICALL
1159 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0);
1160
1161 /*
1162 * java.lang.reflect.Constructor
1163 */
1164 JNIEXPORT jobject JNICALL
1165 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0);
1166
1167 /*
1168 * java.lang.management support
1169 */
1170 JNIEXPORT void* JNICALL
1171 JVM_GetManagement(jint version);
1172
1173 /*
1174 * com.sun.tools.attach.VirtualMachine support
1175 *
1176 * Initialize the agent properties with the properties maintained in the VM.
1177 */
1178 JNIEXPORT jobject JNICALL
1179 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props);
1180
1181 JNIEXPORT jstring JNICALL
1182 JVM_GetTemporaryDirectory(JNIEnv *env);
1183
1184 /* Generics reflection support.
1185 *
1186 * Returns information about the given class's EnclosingMethod
1187 * attribute, if present, or null if the class had no enclosing
1188 * method.
1189 *
1190 * If non-null, the returned array contains three elements. Element 0
1191 * is the java.lang.Class of which the enclosing method is a member,
1192 * and elements 1 and 2 are the java.lang.Strings for the enclosing
1193 * method's name and descriptor, respectively.
1194 */
1195 JNIEXPORT jobjectArray JNICALL
1196 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass);
1197
1198 /* =========================================================================
1199 * The following defines a private JVM interface that the JDK can query
1200 * for the JVM version and capabilities. sun.misc.Version defines
1201 * the methods for getting the VM version and its capabilities.
1202 *
1203 * When a new bit is added, the following should be updated to provide
1204 * access to the new capability:
1205 * HS: JVM_GetVersionInfo and Abstract_VM_Version class
1206 * SDK: Version class
1207 *
1208 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for
1209 * JVM to query for the JDK version and capabilities.
1210 *
1211 * When a new bit is added, the following should be updated to provide
1212 * access to the new capability:
1213 * HS: JDK_Version class
1214 * SDK: JDK_GetVersionInfo0
1215 *
1216 * ==========================================================================
1217 */
1218 typedef struct {
1219 /* VM version string: follows the JDK release version naming convention */
1220 unsigned int jvm_version; /* <major_ver>.<minor_ver>.<micro_ver>[-<identifier>][-<debug_target>][-b<nn>] */
1221 unsigned int update_version : 8;
1222 unsigned int special_update_version : 8;
1223 unsigned int reserved1 : 16;
1224 unsigned int reserved2;
1225
1226 /* The following bits represents JVM supports that JDK has dependency on.
1227 * JDK can use these bits to determine which JVM version
1228 * and support it has to maintain runtime compatibility.
1229 *
1230 * When a new bit is added in a minor or update release, make sure
1231 * the new bit is also added in the main/baseline.
1232 */
1233 unsigned int is_attachable : 1;
1234 unsigned int : 31;
1235 unsigned int : 32;
1236 unsigned int : 32;
1237 } jvm_version_info;
1238
1239 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1240 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1241 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1242 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1243
1244 JNIEXPORT void JNICALL
1245 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1246
1247 typedef struct {
1248 // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx
1249 unsigned int jdk_version; /* Consists of major, minor, micro (n.n.n) */
1250 /* and build number (xx) */
1251 unsigned int update_version : 8; /* Update release version (uu) */
1252 unsigned int special_update_version : 8; /* Special update release version (c)*/
1253 unsigned int reserved1 : 16;
1254 unsigned int reserved2;
1255
1256 /* The following bits represents new JDK supports that VM has dependency on.
1257 * VM implementation can use these bits to determine which JDK version
1258 * and support it has to maintain runtime compatibility.
1259 *
1260 * When a new bit is added in a minor or update release, make sure
1261 * the new bit is also added in the main/baseline.
1262 */
1263 unsigned int thread_park_blocker : 1;
1264 unsigned int post_vm_init_hook_enabled : 1;
1265 unsigned int pending_list_uses_discovered_field : 1;
1266 unsigned int : 29;
1267 unsigned int : 32;
1268 unsigned int : 32;
1269 } jdk_version_info;
1270
1271 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1272 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1273 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1274
1275 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN)
1276 * It will be zero for internal builds.
1277 */
1278 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1279
1280 /*
1281 * This is the function JDK_GetVersionInfo0 defined in libjava.so
1282 * that is dynamically looked up by JVM.
1283 */
1284 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1285
1286 /*
1287 * This structure is used by the launcher to get the default thread
1288 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1289 * version of 1.1. As it is not supported otherwise, it has been removed
1290 * from jni.h
1291 */
1292 typedef struct JDK1_1InitArgs {
1293 jint version;
1294
1295 char **properties;
1296 jint checkSource;
1297 jint nativeStackSize;
1298 jint javaStackSize;
1299 jint minHeapSize;
1300 jint maxHeapSize;
1301 jint verifyMode;
1302 char *classpath;
1303
1304 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1305 void (JNICALL *exit)(jint code);
1306 void (JNICALL *abort)(void);
1307
1308 jint enableClassGC;
1309 jint enableVerboseGC;
1310 jint disableAsyncGC;
1311 jint verbose;
1312 jboolean debugging;
1313 jint debugPort;
1314 } JDK1_1InitArgs;
1315
1316 #ifdef __cplusplus
1317 } /* extern "C" */
1318 #endif /* __cplusplus */
1319
1320 #endif /* !_JAVASOFT_JVM_H_ */
1321
1322 #endif // SHARE_VM_PRIMS_JVM_H