1 /*
2 * Copyright (c) 1997, 2014, 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 4
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 void JNICALL
135 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
136 jobject dst, jint dst_pos, jint length);
137
138 JNIEXPORT jobject JNICALL
139 JVM_InitProperties(JNIEnv *env, jobject p);
140
141 JNIEXPORT void JNICALL
142 JVM_Halt(jint code);
143
144 JNIEXPORT void JNICALL
145 JVM_GC(void);
146
147 /* Returns the number of real-time milliseconds that have elapsed since the
148 * least-recently-inspected heap object was last inspected by the garbage
149 * collector.
150 *
151 * For simple stop-the-world collectors this value is just the time
152 * since the most recent collection. For generational collectors it is the
153 * time since the oldest generation was most recently collected. Other
154 * collectors are free to return a pessimistic estimate of the elapsed time, or
155 * simply the time since the last full collection was performed.
156 *
157 * Note that in the presence of reference objects, a given object that is no
158 * longer strongly reachable may have to be inspected multiple times before it
159 * can be reclaimed.
160 */
161 JNIEXPORT jlong JNICALL
162 JVM_MaxObjectInspectionAge(void);
163
164 JNIEXPORT jlong JNICALL
165 JVM_TotalMemory(void);
166
167 JNIEXPORT jlong JNICALL
168 JVM_FreeMemory(void);
169
170 JNIEXPORT jlong JNICALL
171 JVM_MaxMemory(void);
172
173 JNIEXPORT jint JNICALL
174 JVM_ActiveProcessorCount(void);
175
176 JNIEXPORT void * JNICALL
177 JVM_LoadLibrary(const char *name);
178
179 JNIEXPORT void JNICALL
180 JVM_UnloadLibrary(void * handle);
181
182 JNIEXPORT void * JNICALL
183 JVM_FindLibraryEntry(void *handle, const char *name);
184
185 JNIEXPORT jboolean JNICALL
186 JVM_IsSupportedJNIVersion(jint version);
187
188 /*
189 * java.lang.Throwable
190 */
191 JNIEXPORT void JNICALL
192 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
193
194 JNIEXPORT jint JNICALL
195 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable);
196
197 JNIEXPORT jobject JNICALL
198 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index);
199
200 /*
201 * java.lang.Thread
202 */
203 JNIEXPORT void JNICALL
204 JVM_StartThread(JNIEnv *env, jobject thread);
205
206 JNIEXPORT void JNICALL
207 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
208
209 JNIEXPORT jboolean JNICALL
210 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
211
212 JNIEXPORT void JNICALL
213 JVM_SuspendThread(JNIEnv *env, jobject thread);
214
215 JNIEXPORT void JNICALL
216 JVM_ResumeThread(JNIEnv *env, jobject thread);
217
218 JNIEXPORT void JNICALL
219 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
220
221 JNIEXPORT void JNICALL
222 JVM_Yield(JNIEnv *env, jclass threadClass);
223
224 JNIEXPORT void JNICALL
225 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
226
227 JNIEXPORT jobject JNICALL
228 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
229
230 JNIEXPORT jint JNICALL
231 JVM_CountStackFrames(JNIEnv *env, jobject thread);
232
233 JNIEXPORT void JNICALL
234 JVM_Interrupt(JNIEnv *env, jobject thread);
235
236 JNIEXPORT jboolean JNICALL
237 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
238
239 JNIEXPORT jboolean JNICALL
240 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
241
242 JNIEXPORT void JNICALL
243 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
244
245 JNIEXPORT jobjectArray JNICALL
246 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
247
248 JNIEXPORT void JNICALL
249 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name);
250
251 /* getStackTrace() and getAllStackTraces() method */
252 JNIEXPORT jobjectArray JNICALL
253 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
254
255 /*
256 * java.lang.SecurityManager
257 */
258 JNIEXPORT jclass JNICALL
259 JVM_CurrentLoadedClass(JNIEnv *env);
260
261 JNIEXPORT jobject JNICALL
262 JVM_CurrentClassLoader(JNIEnv *env);
263
264 JNIEXPORT jobjectArray JNICALL
265 JVM_GetClassContext(JNIEnv *env);
266
267 JNIEXPORT jint JNICALL
268 JVM_ClassDepth(JNIEnv *env, jstring name);
269
270 JNIEXPORT jint JNICALL
271 JVM_ClassLoaderDepth(JNIEnv *env);
272
273 /*
274 * java.lang.Package
275 */
276 JNIEXPORT jstring JNICALL
277 JVM_GetSystemPackage(JNIEnv *env, jstring name);
278
279 JNIEXPORT jobjectArray JNICALL
280 JVM_GetSystemPackages(JNIEnv *env);
281
282 /*
283 * java.io.ObjectInputStream
284 */
285 JNIEXPORT jobject JNICALL
286 JVM_LatestUserDefinedLoader(JNIEnv *env);
287
288 /*
289 * java.lang.reflect.Array
290 */
291 JNIEXPORT jint JNICALL
292 JVM_GetArrayLength(JNIEnv *env, jobject arr);
293
294 JNIEXPORT jobject JNICALL
295 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
296
297 JNIEXPORT jvalue JNICALL
298 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
299
300 JNIEXPORT void JNICALL
301 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
302
303 JNIEXPORT void JNICALL
304 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
305 unsigned char vCode);
306
307 JNIEXPORT jobject JNICALL
308 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
309
310 JNIEXPORT jobject JNICALL
311 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
312
313 /*
314 * java.lang.Class and java.lang.ClassLoader
315 */
316
317 #define JVM_CALLER_DEPTH -1
318
319 /*
320 * Returns the class in which the code invoking the native method
321 * belongs.
322 *
323 * Note that in JDK 1.1, native methods did not create a frame.
324 * In 1.2, they do. Therefore native methods like Class.forName
325 * can no longer look at the current frame for the caller class.
326 */
327 JNIEXPORT jclass JNICALL
328 JVM_GetCallerClass(JNIEnv *env, int n);
329
330 /*
331 * Find primitive classes
332 * utf: class name
333 */
334 JNIEXPORT jclass JNICALL
335 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
336
337 /*
338 * Find a class from a given class loader. Throw ClassNotFoundException
339 * or NoClassDefFoundError depending on the value of the last
340 * argument.
341 */
342 JNIEXPORT jclass JNICALL
343 JVM_FindClassFromClassLoader(JNIEnv *env, const char *name, jboolean init,
344 jobject loader, jboolean throwError);
345
346 /*
347 * Find a class from a boot class loader. Returns NULL if class not found.
348 */
349 JNIEXPORT jclass JNICALL
350 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name);
351
352 /*
353 * Find a class from a given class.
354 */
355 JNIEXPORT jclass JNICALL
356 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
357 jclass from);
358
359 /* Find a loaded class cached by the VM */
360 JNIEXPORT jclass JNICALL
361 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
362
363 /* Define a class */
364 JNIEXPORT jclass JNICALL
365 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
366 jsize len, jobject pd);
367
368 /* Define a class with a source (added in JDK1.5) */
369 JNIEXPORT jclass JNICALL
370 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
371 const jbyte *buf, jsize len, jobject pd,
372 const char *source);
373
374 /* Define a class with a source with conditional verification (added HSX 14)
375 * -Xverify:all will verify anyway, -Xverify:none will not verify,
376 * -Xverify:remote (default) will obey this conditional
377 * i.e. true = should_verify_class
378 */
379 JNIEXPORT jclass JNICALL
380 JVM_DefineClassWithSourceCond(JNIEnv *env, const char *name,
381 jobject loader, const jbyte *buf,
382 jsize len, jobject pd, const char *source,
383 jboolean verify);
384
385 /*
386 * Reflection support functions
387 */
388
389 JNIEXPORT jstring JNICALL
390 JVM_GetClassName(JNIEnv *env, jclass cls);
391
392 JNIEXPORT jobjectArray JNICALL
393 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
394
395 JNIEXPORT jboolean JNICALL
396 JVM_IsInterface(JNIEnv *env, jclass cls);
397
398 JNIEXPORT jobjectArray JNICALL
399 JVM_GetClassSigners(JNIEnv *env, jclass cls);
400
401 JNIEXPORT void JNICALL
402 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
403
404 JNIEXPORT jobject JNICALL
405 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
406
407 JNIEXPORT jboolean JNICALL
408 JVM_IsArrayClass(JNIEnv *env, jclass cls);
409
410 JNIEXPORT jboolean JNICALL
411 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
412
413 JNIEXPORT jint JNICALL
414 JVM_GetClassModifiers(JNIEnv *env, jclass cls);
415
416 JNIEXPORT jobjectArray JNICALL
417 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass);
418
419 JNIEXPORT jclass JNICALL
420 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass);
421
422 /* Generics support (JDK 1.5) */
423 JNIEXPORT jstring JNICALL
424 JVM_GetClassSignature(JNIEnv *env, jclass cls);
425
426 /* Annotations support (JDK 1.5) */
427 JNIEXPORT jbyteArray JNICALL
428 JVM_GetClassAnnotations(JNIEnv *env, jclass cls);
429
430 /* Annotations support (JDK 1.6) */
431
432 /* Type use annotations support (JDK 1.8) */
433
434 JNIEXPORT jbyteArray JNICALL
435 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls);
436
437 // field is a handle to a java.lang.reflect.Field object
438 JNIEXPORT jbyteArray JNICALL
439 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field);
440
441 // method is a handle to a java.lang.reflect.Method object
442 JNIEXPORT jbyteArray JNICALL
443 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method);
444
445 /*
446 * New (JDK 1.4) reflection implementation
447 */
448
449 JNIEXPORT jobjectArray JNICALL
450 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
451
452 JNIEXPORT jobjectArray JNICALL
453 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
454
455 JNIEXPORT jobjectArray JNICALL
456 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
457
458 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
459 This returns the access flags for the class as specified in the
460 class file rather than searching the InnerClasses attribute (if
461 present) to find the source-level access flags. Only the values of
462 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
463 valid. */
464 JNIEXPORT jint JNICALL
465 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
466
467 /*
468 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
469 */
470
471 JNIEXPORT jobject JNICALL
472 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
473
474 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
475 (JNIEnv *env, jobject obj, jobject unused);
476
477 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
478 (JNIEnv *env, jobject obj, jobject unused, jint index);
479
480 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
481 (JNIEnv *env, jobject obj, jobject unused, jint index);
482
483 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
484 (JNIEnv *env, jobject obj, jobject unused, jint index);
485
486 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
487 (JNIEnv *env, jobject obj, jobject unused, jint index);
488
489 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
490 (JNIEnv *env, jobject obj, jobject unused, jint index);
491
492 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
493 (JNIEnv *env, jobject obj, jobject unused, jint index);
494
495 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
496 (JNIEnv *env, jobject obj, jobject unused, jint index);
497
498 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
499 (JNIEnv *env, jobject obj, jobject unused, jint index);
500
501 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
502 (JNIEnv *env, jobject obj, jobject unused, jint index);
503
504 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
505 (JNIEnv *env, jobject obj, jobject unused, jint index);
506
507 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
508 (JNIEnv *env, jobject obj, jobject unused, jint index);
509
510 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
511 (JNIEnv *env, jobject obj, jobject unused, jint index);
512
513 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
514 (JNIEnv *env, jobject obj, jobject unused, jint index);
515
516 /*
517 * java.security.*
518 */
519
520 JNIEXPORT jobject JNICALL
521 JVM_DoPrivileged(JNIEnv *env, jclass cls,
522 jobject action, jobject context, jboolean wrapException);
523
524 JNIEXPORT jobject JNICALL
525 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls);
526
527 JNIEXPORT jobject JNICALL
528 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls);
529
530 /*
531 * Signal support, used to implement the shutdown sequence. Every VM must
532 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts
533 * (^C) and the latter for external termination (kill, system shutdown, etc.).
534 * Other platform-dependent signal values may also be supported.
535 */
536
537 JNIEXPORT void * JNICALL
538 JVM_RegisterSignal(jint sig, void *handler);
539
540 JNIEXPORT jboolean JNICALL
541 JVM_RaiseSignal(jint sig);
542
543 JNIEXPORT jint JNICALL
544 JVM_FindSignal(const char *name);
545
546 /*
547 * Retrieve the assertion directives for the specified class.
548 */
549 JNIEXPORT jboolean JNICALL
550 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls);
551
552 /*
553 * Retrieve the assertion directives from the VM.
554 */
555 JNIEXPORT jobject JNICALL
556 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
557
558 /*
559 * java.util.concurrent.atomic.AtomicLong
560 */
561 JNIEXPORT jboolean JNICALL
562 JVM_SupportsCX8(void);
563
564 /*
565 * com.sun.dtrace.jsdt support
566 */
567
568 #define JVM_TRACING_DTRACE_VERSION 1
569
570 /*
571 * Structure to pass one probe description to JVM.
572 *
573 * The VM will overwrite the definition of the referenced method with
574 * code that will fire the probe.
575 */
576 typedef struct {
577 jmethodID method;
578 jstring function;
579 jstring name;
580 void* reserved[4]; // for future use
581 } JVM_DTraceProbe;
582
583 /**
584 * Encapsulates the stability ratings for a DTrace provider field
585 */
586 typedef struct {
587 jint nameStability;
588 jint dataStability;
589 jint dependencyClass;
590 } JVM_DTraceInterfaceAttributes;
591
592 /*
593 * Structure to pass one provider description to JVM
594 */
595 typedef struct {
596 jstring name;
597 JVM_DTraceProbe* probes;
598 jint probe_count;
599 JVM_DTraceInterfaceAttributes providerAttributes;
600 JVM_DTraceInterfaceAttributes moduleAttributes;
601 JVM_DTraceInterfaceAttributes functionAttributes;
602 JVM_DTraceInterfaceAttributes nameAttributes;
603 JVM_DTraceInterfaceAttributes argsAttributes;
604 void* reserved[4]; // for future use
605 } JVM_DTraceProvider;
606
607 /*
608 * Get the version number the JVM was built with
609 */
610 JNIEXPORT jint JNICALL
611 JVM_DTraceGetVersion(JNIEnv* env);
612
613 /*
614 * Register new probe with given signature, return global handle
615 *
616 * The version passed in is the version that the library code was
617 * built with.
618 */
619 JNIEXPORT jlong JNICALL
620 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name,
621 jint providers_count, JVM_DTraceProvider* providers);
622
623 /*
624 * Check JSDT probe
625 */
626 JNIEXPORT jboolean JNICALL
627 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method);
628
629 /*
630 * Destroy custom DOF
631 */
632 JNIEXPORT void JNICALL
633 JVM_DTraceDispose(JNIEnv* env, jlong handle);
634
635 /*
636 * Check to see if DTrace is supported by OS
637 */
638 JNIEXPORT jboolean JNICALL
639 JVM_DTraceIsSupported(JNIEnv* env);
640
641 /*************************************************************************
642 PART 2: Support for the Verifier and Class File Format Checker
643 ************************************************************************/
644 /*
645 * Return the class name in UTF format. The result is valid
646 * until JVM_ReleaseUTf is called.
647 *
648 * The caller must treat the string as a constant and not modify it
649 * in any way.
650 */
651 JNIEXPORT const char * JNICALL
652 JVM_GetClassNameUTF(JNIEnv *env, jclass cb);
653
654 /*
655 * Returns the constant pool types in the buffer provided by "types."
656 */
657 JNIEXPORT void JNICALL
658 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
659
660 /*
661 * Returns the number of Constant Pool entries.
662 */
663 JNIEXPORT jint JNICALL
664 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
665
666 /*
667 * Returns the number of *declared* fields or methods.
668 */
669 JNIEXPORT jint JNICALL
670 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
671
672 JNIEXPORT jint JNICALL
673 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
674
675 /*
676 * Returns the CP indexes of exceptions raised by a given method.
677 * Places the result in the given buffer.
678 *
679 * The method is identified by method_index.
680 */
681 JNIEXPORT void JNICALL
682 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
683 unsigned short *exceptions);
684 /*
685 * Returns the number of exceptions raised by a given method.
686 * The method is identified by method_index.
687 */
688 JNIEXPORT jint JNICALL
689 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
690
691 /*
692 * Returns the byte code sequence of a given method.
693 * Places the result in the given buffer.
694 *
695 * The method is identified by method_index.
696 */
697 JNIEXPORT void JNICALL
698 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
699 unsigned char *code);
700
701 /*
702 * Returns the length of the byte code sequence of a given method.
703 * The method is identified by method_index.
704 */
705 JNIEXPORT jint JNICALL
706 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
707
708 /*
709 * A structure used to a capture exception table entry in a Java method.
710 */
711 typedef struct {
712 jint start_pc;
713 jint end_pc;
714 jint handler_pc;
715 jint catchType;
716 } JVM_ExceptionTableEntryType;
717
718 /*
719 * Returns the exception table entry at entry_index of a given method.
720 * Places the result in the given buffer.
721 *
722 * The method is identified by method_index.
723 */
724 JNIEXPORT void JNICALL
725 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
726 jint entry_index,
727 JVM_ExceptionTableEntryType *entry);
728
729 /*
730 * Returns the length of the exception table of a given method.
731 * The method is identified by method_index.
732 */
733 JNIEXPORT jint JNICALL
734 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
735
736 /*
737 * Returns the modifiers of a given field.
738 * The field is identified by field_index.
739 */
740 JNIEXPORT jint JNICALL
741 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
742
743 /*
744 * Returns the modifiers of a given method.
745 * The method is identified by method_index.
746 */
747 JNIEXPORT jint JNICALL
748 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
749
750 /*
751 * Returns the number of local variables of a given method.
752 * The method is identified by method_index.
753 */
754 JNIEXPORT jint JNICALL
755 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
756
757 /*
758 * Returns the number of arguments (including this pointer) of a given method.
759 * The method is identified by method_index.
760 */
761 JNIEXPORT jint JNICALL
762 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
763
764 /*
765 * Returns the maximum amount of stack (in words) used by a given method.
766 * The method is identified by method_index.
767 */
768 JNIEXPORT jint JNICALL
769 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
770
771 /*
772 * Is a given method a constructor.
773 * The method is identified by method_index.
774 */
775 JNIEXPORT jboolean JNICALL
776 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
777
778 /*
779 * Is the given method generated by the VM.
780 * The method is identified by method_index.
781 */
782 JNIEXPORT jboolean JNICALL
783 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index);
784
785 /*
786 * Returns the name of a given method in UTF format.
787 * The result remains valid until JVM_ReleaseUTF is called.
788 *
789 * The caller must treat the string as a constant and not modify it
790 * in any way.
791 */
792 JNIEXPORT const char * JNICALL
793 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
794
795 /*
796 * Returns the signature of a given method in UTF format.
797 * The result remains valid until JVM_ReleaseUTF is called.
798 *
799 * The caller must treat the string as a constant and not modify it
800 * in any way.
801 */
802 JNIEXPORT const char * JNICALL
803 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
804
805 /*
806 * Returns the name of the field refered to at a given constant pool
807 * index.
808 *
809 * The result is in UTF format and remains valid until JVM_ReleaseUTF
810 * is called.
811 *
812 * The caller must treat the string as a constant and not modify it
813 * in any way.
814 */
815 JNIEXPORT const char * JNICALL
816 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
817
818 /*
819 * Returns the name of the method refered to at a given constant pool
820 * index.
821 *
822 * The result is in UTF format and remains valid until JVM_ReleaseUTF
823 * is called.
824 *
825 * The caller must treat the string as a constant and not modify it
826 * in any way.
827 */
828 JNIEXPORT const char * JNICALL
829 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
830
831 /*
832 * Returns the signature of the method refered to at a given constant pool
833 * index.
834 *
835 * The result is in UTF format and remains valid until JVM_ReleaseUTF
836 * is called.
837 *
838 * The caller must treat the string as a constant and not modify it
839 * in any way.
840 */
841 JNIEXPORT const char * JNICALL
842 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
843
844 /*
845 * Returns the signature of the field refered to at a given constant pool
846 * index.
847 *
848 * The result is in UTF format and remains valid until JVM_ReleaseUTF
849 * is called.
850 *
851 * The caller must treat the string as a constant and not modify it
852 * in any way.
853 */
854 JNIEXPORT const char * JNICALL
855 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
856
857 /*
858 * Returns the class name refered to at a given constant pool index.
859 *
860 * The result is in UTF format and remains valid until JVM_ReleaseUTF
861 * is called.
862 *
863 * The caller must treat the string as a constant and not modify it
864 * in any way.
865 */
866 JNIEXPORT const char * JNICALL
867 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
868
869 /*
870 * Returns the class name refered to at a given constant pool index.
871 *
872 * The constant pool entry must refer to a CONSTANT_Fieldref.
873 *
874 * The result is in UTF format and remains valid until JVM_ReleaseUTF
875 * is called.
876 *
877 * The caller must treat the string as a constant and not modify it
878 * in any way.
879 */
880 JNIEXPORT const char * JNICALL
881 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
882
883 /*
884 * Returns the class name refered to at a given constant pool index.
885 *
886 * The constant pool entry must refer to CONSTANT_Methodref or
887 * CONSTANT_InterfaceMethodref.
888 *
889 * The result is in UTF format and remains valid until JVM_ReleaseUTF
890 * is called.
891 *
892 * The caller must treat the string as a constant and not modify it
893 * in any way.
894 */
895 JNIEXPORT const char * JNICALL
896 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
897
898 /*
899 * Returns the modifiers of a field in calledClass. The field is
900 * referred to in class cb at constant pool entry index.
901 *
902 * The caller must treat the string as a constant and not modify it
903 * in any way.
904 *
905 * Returns -1 if the field does not exist in calledClass.
906 */
907 JNIEXPORT jint JNICALL
908 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
909
910 /*
911 * Returns the modifiers of a method in calledClass. The method is
912 * referred to in class cb at constant pool entry index.
913 *
914 * Returns -1 if the method does not exist in calledClass.
915 */
916 JNIEXPORT jint JNICALL
917 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
918
919 /*
920 * Releases the UTF string obtained from the VM.
921 */
922 JNIEXPORT void JNICALL
923 JVM_ReleaseUTF(const char *utf);
924
925 /*
926 * Compare if two classes are in the same package.
927 */
928 JNIEXPORT jboolean JNICALL
929 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
930
931 /* Constants in class files */
932
933 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */
934 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */
935 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */
936 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */
937 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */
938 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */
939 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */
940 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */
941 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */
942 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */
943 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */
944 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */
945 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */
946 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */
947 #define JVM_ACC_STRICT 0x0800 /* strict floating point */
948 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */
949 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */
950 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */
951
952 #define JVM_ACC_PUBLIC_BIT 0
953 #define JVM_ACC_PRIVATE_BIT 1
954 #define JVM_ACC_PROTECTED_BIT 2
955 #define JVM_ACC_STATIC_BIT 3
956 #define JVM_ACC_FINAL_BIT 4
957 #define JVM_ACC_SYNCHRONIZED_BIT 5
958 #define JVM_ACC_SUPER_BIT 5
959 #define JVM_ACC_VOLATILE_BIT 6
960 #define JVM_ACC_BRIDGE_BIT 6
961 #define JVM_ACC_TRANSIENT_BIT 7
962 #define JVM_ACC_VARARGS_BIT 7
963 #define JVM_ACC_NATIVE_BIT 8
964 #define JVM_ACC_INTERFACE_BIT 9
965 #define JVM_ACC_ABSTRACT_BIT 10
966 #define JVM_ACC_STRICT_BIT 11
967 #define JVM_ACC_SYNTHETIC_BIT 12
968 #define JVM_ACC_ANNOTATION_BIT 13
969 #define JVM_ACC_ENUM_BIT 14
970
971 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
972 enum {
973 JVM_CONSTANT_Utf8 = 1,
974 JVM_CONSTANT_Unicode, /* unused */
975 JVM_CONSTANT_Integer,
976 JVM_CONSTANT_Float,
977 JVM_CONSTANT_Long,
978 JVM_CONSTANT_Double,
979 JVM_CONSTANT_Class,
980 JVM_CONSTANT_String,
981 JVM_CONSTANT_Fieldref,
982 JVM_CONSTANT_Methodref,
983 JVM_CONSTANT_InterfaceMethodref,
984 JVM_CONSTANT_NameAndType,
985 JVM_CONSTANT_MethodHandle = 15, // JSR 292
986 JVM_CONSTANT_MethodType = 16, // JSR 292
987 //JVM_CONSTANT_(unused) = 17, // JSR 292 early drafts only
988 JVM_CONSTANT_InvokeDynamic = 18, // JSR 292
989 JVM_CONSTANT_ExternalMax = 18 // Last tag found in classfiles
990 };
991
992 /* JVM_CONSTANT_MethodHandle subtypes */
993 enum {
994 JVM_REF_getField = 1,
995 JVM_REF_getStatic = 2,
996 JVM_REF_putField = 3,
997 JVM_REF_putStatic = 4,
998 JVM_REF_invokeVirtual = 5,
999 JVM_REF_invokeStatic = 6,
1000 JVM_REF_invokeSpecial = 7,
1001 JVM_REF_newInvokeSpecial = 8,
1002 JVM_REF_invokeInterface = 9
1003 };
1004
1005 /* Used in the newarray instruction. */
1006
1007 #define JVM_T_BOOLEAN 4
1008 #define JVM_T_CHAR 5
1009 #define JVM_T_FLOAT 6
1010 #define JVM_T_DOUBLE 7
1011 #define JVM_T_BYTE 8
1012 #define JVM_T_SHORT 9
1013 #define JVM_T_INT 10
1014 #define JVM_T_LONG 11
1015
1016 /* JVM method signatures */
1017
1018 #define JVM_SIGNATURE_ARRAY '['
1019 #define JVM_SIGNATURE_BYTE 'B'
1020 #define JVM_SIGNATURE_CHAR 'C'
1021 #define JVM_SIGNATURE_CLASS 'L'
1022 #define JVM_SIGNATURE_ENDCLASS ';'
1023 #define JVM_SIGNATURE_ENUM 'E'
1024 #define JVM_SIGNATURE_FLOAT 'F'
1025 #define JVM_SIGNATURE_DOUBLE 'D'
1026 #define JVM_SIGNATURE_FUNC '('
1027 #define JVM_SIGNATURE_ENDFUNC ')'
1028 #define JVM_SIGNATURE_INT 'I'
1029 #define JVM_SIGNATURE_LONG 'J'
1030 #define JVM_SIGNATURE_SHORT 'S'
1031 #define JVM_SIGNATURE_VOID 'V'
1032 #define JVM_SIGNATURE_BOOLEAN 'Z'
1033
1034 /*
1035 * A function defined by the byte-code verifier and called by the VM.
1036 * This is not a function implemented in the VM.
1037 *
1038 * Returns JNI_FALSE if verification fails. A detailed error message
1039 * will be places in msg_buf, whose length is specified by buf_len.
1040 */
1041 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
1042 jclass cb,
1043 char * msg_buf,
1044 jint buf_len);
1045
1046
1047 /*
1048 * Support for a VM-independent class format checker.
1049 */
1050 typedef struct {
1051 unsigned long code; /* byte code */
1052 unsigned long excs; /* exceptions */
1053 unsigned long etab; /* catch table */
1054 unsigned long lnum; /* line number */
1055 unsigned long lvar; /* local vars */
1056 } method_size_info;
1057
1058 typedef struct {
1059 unsigned int constants; /* constant pool */
1060 unsigned int fields;
1061 unsigned int methods;
1062 unsigned int interfaces;
1063 unsigned int fields2; /* number of static 2-word fields */
1064 unsigned int innerclasses; /* # of records in InnerClasses attr */
1065
1066 method_size_info clinit; /* memory used in clinit */
1067 method_size_info main; /* used everywhere else */
1068 } class_size_info;
1069
1070 /*
1071 * Functions defined in libjava.so to perform string conversions.
1072 *
1073 */
1074
1075 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1076
1077 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1078
1079 /* This is the function defined in libjava.so that performs class
1080 * format checks. This functions fills in size information about
1081 * the class file and returns:
1082 *
1083 * 0: good
1084 * -1: out of memory
1085 * -2: bad format
1086 * -3: unsupported version
1087 * -4: bad class name
1088 */
1089
1090 typedef jint (*check_format_fn_t)(char *class_name,
1091 unsigned char *data,
1092 unsigned int data_size,
1093 class_size_info *class_size,
1094 char *message_buffer,
1095 jint buffer_length,
1096 jboolean measure_only,
1097 jboolean check_relaxed);
1098
1099 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1100 JVM_ACC_FINAL | \
1101 JVM_ACC_SUPER | \
1102 JVM_ACC_INTERFACE | \
1103 JVM_ACC_ABSTRACT | \
1104 JVM_ACC_ANNOTATION | \
1105 JVM_ACC_ENUM | \
1106 JVM_ACC_SYNTHETIC)
1107
1108 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1109 JVM_ACC_PRIVATE | \
1110 JVM_ACC_PROTECTED | \
1111 JVM_ACC_STATIC | \
1112 JVM_ACC_FINAL | \
1113 JVM_ACC_VOLATILE | \
1114 JVM_ACC_TRANSIENT | \
1115 JVM_ACC_ENUM | \
1116 JVM_ACC_SYNTHETIC)
1117
1118 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1119 JVM_ACC_PRIVATE | \
1120 JVM_ACC_PROTECTED | \
1121 JVM_ACC_STATIC | \
1122 JVM_ACC_FINAL | \
1123 JVM_ACC_SYNCHRONIZED | \
1124 JVM_ACC_BRIDGE | \
1125 JVM_ACC_VARARGS | \
1126 JVM_ACC_NATIVE | \
1127 JVM_ACC_ABSTRACT | \
1128 JVM_ACC_STRICT | \
1129 JVM_ACC_SYNTHETIC)
1130
1131 /*
1132 * This is the function defined in libjava.so to perform path
1133 * canonicalization. VM call this function before opening jar files
1134 * to load system classes.
1135 *
1136 */
1137
1138 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1139
1140 /*************************************************************************
1141 PART 3: I/O and Network Support
1142 ************************************************************************/
1143
1144 /*
1145 * Convert a pathname into native format. This function does syntactic
1146 * cleanup, such as removing redundant separator characters. It modifies
1147 * the given pathname string in place.
1148 */
1149 JNIEXPORT char * JNICALL
1150 JVM_NativePath(char *);
1151
1152 /*
1153 * The standard printing functions supported by the Java VM. (Should they
1154 * be renamed to JVM_* in the future?
1155 */
1156
1157 /*
1158 * BE CAREFUL! The following functions do not implement the
1159 * full feature set of standard C printf formats.
1160 */
1161 JNIEXPORT int
1162 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1163
1164 JNIEXPORT int
1165 jio_snprintf(char *str, size_t count, const char *fmt, ...);
1166
1167 JNIEXPORT int
1168 jio_fprintf(FILE *, const char *fmt, ...);
1169
1170 JNIEXPORT int
1171 jio_vfprintf(FILE *, const char *fmt, va_list args);
1172
1173
1174 JNIEXPORT void * JNICALL
1175 JVM_RawMonitorCreate(void);
1176
1177 JNIEXPORT void JNICALL
1178 JVM_RawMonitorDestroy(void *mon);
1179
1180 JNIEXPORT jint JNICALL
1181 JVM_RawMonitorEnter(void *mon);
1182
1183 JNIEXPORT void JNICALL
1184 JVM_RawMonitorExit(void *mon);
1185
1186 /*
1187 * java.lang.reflect.Method
1188 */
1189 JNIEXPORT jobject JNICALL
1190 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0);
1191
1192 /*
1193 * java.lang.reflect.Constructor
1194 */
1195 JNIEXPORT jobject JNICALL
1196 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0);
1197
1198 /*
1199 * java.lang.management support
1200 */
1201 JNIEXPORT void* JNICALL
1202 JVM_GetManagement(jint version);
1203
1204 /*
1205 * com.sun.tools.attach.VirtualMachine support
1206 *
1207 * Initialize the agent properties with the properties maintained in the VM.
1208 */
1209 JNIEXPORT jobject JNICALL
1210 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props);
1211
1212 JNIEXPORT jstring JNICALL
1213 JVM_GetTemporaryDirectory(JNIEnv *env);
1214
1215 /* Generics reflection support.
1216 *
1217 * Returns information about the given class's EnclosingMethod
1218 * attribute, if present, or null if the class had no enclosing
1219 * method.
1220 *
1221 * If non-null, the returned array contains three elements. Element 0
1222 * is the java.lang.Class of which the enclosing method is a member,
1223 * and elements 1 and 2 are the java.lang.Strings for the enclosing
1224 * method's name and descriptor, respectively.
1225 */
1226 JNIEXPORT jobjectArray JNICALL
1227 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass);
1228
1229 /* =========================================================================
1230 * The following defines a private JVM interface that the JDK can query
1231 * for the JVM version and capabilities. sun.misc.Version defines
1232 * the methods for getting the VM version and its capabilities.
1233 *
1234 * When a new bit is added, the following should be updated to provide
1235 * access to the new capability:
1236 * HS: JVM_GetVersionInfo and Abstract_VM_Version class
1237 * SDK: Version class
1238 *
1239 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for
1240 * JVM to query for the JDK version and capabilities.
1241 *
1242 * When a new bit is added, the following should be updated to provide
1243 * access to the new capability:
1244 * HS: JDK_Version class
1245 * SDK: JDK_GetVersionInfo0
1246 *
1247 * ==========================================================================
1248 */
1249 typedef struct {
1250 /* VM version string: follows the JDK release version naming convention */
1251 unsigned int jvm_version; /* <major_ver>.<minor_ver>.<micro_ver>[-<identifier>][-<debug_target>][-b<nn>] */
1252 unsigned int update_version : 8;
1253 unsigned int special_update_version : 8;
1254 unsigned int reserved1 : 16;
1255 unsigned int reserved2;
1256
1257 /* The following bits represents JVM supports that JDK has dependency on.
1258 * JDK can use these bits to determine which JVM version
1259 * and support it has to maintain runtime compatibility.
1260 *
1261 * When a new bit is added in a minor or update release, make sure
1262 * the new bit is also added in the main/baseline.
1263 */
1264 unsigned int is_attachable : 1;
1265 unsigned int : 31;
1266 unsigned int : 32;
1267 unsigned int : 32;
1268 } jvm_version_info;
1269
1270 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1271 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1272 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1273 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1274
1275 JNIEXPORT void JNICALL
1276 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1277
1278 typedef struct {
1279 // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx
1280 unsigned int jdk_version; /* Consists of major, minor, micro (n.n.n) */
1281 /* and build number (xx) */
1282 unsigned int update_version : 8; /* Update release version (uu) */
1283 unsigned int special_update_version : 8; /* Special update release version (c)*/
1284 unsigned int reserved1 : 16;
1285 unsigned int reserved2;
1286
1287 /* The following bits represents new JDK supports that VM has dependency on.
1288 * VM implementation can use these bits to determine which JDK version
1289 * and support it has to maintain runtime compatibility.
1290 *
1291 * When a new bit is added in a minor or update release, make sure
1292 * the new bit is also added in the main/baseline.
1293 */
1294 unsigned int thread_park_blocker : 1;
1295 unsigned int post_vm_init_hook_enabled : 1;
1296 unsigned int pending_list_uses_discovered_field : 1;
1297 unsigned int : 29;
1298 unsigned int : 32;
1299 unsigned int : 32;
1300 } jdk_version_info;
1301
1302 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1303 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1304 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1305
1306 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN)
1307 * It will be zero for internal builds.
1308 */
1309 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1310
1311 /*
1312 * This is the function JDK_GetVersionInfo0 defined in libjava.so
1313 * that is dynamically looked up by JVM.
1314 */
1315 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1316
1317 /*
1318 * This structure is used by the launcher to get the default thread
1319 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1320 * version of 1.1. As it is not supported otherwise, it has been removed
1321 * from jni.h
1322 */
1323 typedef struct JDK1_1InitArgs {
1324 jint version;
1325
1326 char **properties;
1327 jint checkSource;
1328 jint nativeStackSize;
1329 jint javaStackSize;
1330 jint minHeapSize;
1331 jint maxHeapSize;
1332 jint verifyMode;
1333 char *classpath;
1334
1335 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1336 void (JNICALL *exit)(jint code);
1337 void (JNICALL *abort)(void);
1338
1339 jint enableClassGC;
1340 jint enableVerboseGC;
1341 jint disableAsyncGC;
1342 jint verbose;
1343 jboolean debugging;
1344 jint debugPort;
1345 } JDK1_1InitArgs;
1346
1347 #ifdef __cplusplus
1348 } /* extern "C" */
1349 #endif /* __cplusplus */
1350
1351 #endif /* !_JAVASOFT_JVM_H_ */
1352
1353 #endif // SHARE_VM_PRIMS_JVM_H