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comparison src/share/vm/prims/jvm.h @ 0:a61af66fc99e jdk7-b24

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1 /*
2 * Copyright 1997-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #ifndef _JAVASOFT_JVM_H_
26 #define _JAVASOFT_JVM_H_
27
28 // HotSpot integration note:
29 //
30 // This file and jvm.h used with the JDK are identical,
31 // except for the three includes removed below and the
32 // SUPPORT_OLD_REFLECTION sections cut out of the JDK's jvm.h.
33
34 // #include <sys/stat.h>
35 // #include "jni.h"
36 // #include "jvm_md.h"
37
38
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42
43 /*
44 * This file contains additional functions exported from the VM.
45 * These functions are complementary to the standard JNI support.
46 * There are three parts to this file:
47 *
48 * First, this file contains the VM-related functions needed by native
49 * libraries in the standard Java API. For example, the java.lang.Object
50 * class needs VM-level functions that wait for and notify monitors.
51 *
52 * Second, this file contains the functions and constant definitions
53 * needed by the byte code verifier and class file format checker.
54 * These functions allow the verifier and format checker to be written
55 * in a VM-independent way.
56 *
57 * Third, this file contains various I/O and nerwork operations needed
58 * by the standard Java I/O and network APIs.
59 */
60
61 /*
62 * Bump the version number when either of the following happens:
63 *
64 * 1. There is a change in JVM_* functions.
65 *
66 * 2. There is a change in the contract between VM and Java classes.
67 * For example, if the VM relies on a new private field in Thread
68 * class.
69 */
70
71 #define JVM_INTERFACE_VERSION 4
72
73
74 JNIEXPORT jint JNICALL
75 JVM_GetInterfaceVersion(void);
76
77 /*************************************************************************
78 PART 1: Functions for Native Libraries
79 ************************************************************************/
80 /*
81 * java.lang.Object
82 */
83 JNIEXPORT jint JNICALL
84 JVM_IHashCode(JNIEnv *env, jobject obj);
85
86 JNIEXPORT void JNICALL
87 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms);
88
89 JNIEXPORT void JNICALL
90 JVM_MonitorNotify(JNIEnv *env, jobject obj);
91
92 JNIEXPORT void JNICALL
93 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj);
94
95 JNIEXPORT jobject JNICALL
96 JVM_Clone(JNIEnv *env, jobject obj);
97
98 /*
99 * java.lang.String
100 */
101 JNIEXPORT jstring JNICALL
102 JVM_InternString(JNIEnv *env, jstring str);
103
104 /*
105 * java.lang.System
106 */
107 JNIEXPORT jlong JNICALL
108 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored);
109
110 JNIEXPORT jlong JNICALL
111 JVM_NanoTime(JNIEnv *env, jclass ignored);
112
113 JNIEXPORT void JNICALL
114 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
115 jobject dst, jint dst_pos, jint length);
116
117 JNIEXPORT jobject JNICALL
118 JVM_InitProperties(JNIEnv *env, jobject p);
119
120 /*
121 * java.io.File
122 */
123 JNIEXPORT void JNICALL
124 JVM_OnExit(void (*func)(void));
125
126 /*
127 * java.lang.Runtime
128 */
129 JNIEXPORT void JNICALL
130 JVM_Exit(jint code);
131
132 JNIEXPORT void JNICALL
133 JVM_Halt(jint code);
134
135 JNIEXPORT void JNICALL
136 JVM_GC(void);
137
138 /* Returns the number of real-time milliseconds that have elapsed since the
139 * least-recently-inspected heap object was last inspected by the garbage
140 * collector.
141 *
142 * For simple stop-the-world collectors this value is just the time
143 * since the most recent collection. For generational collectors it is the
144 * time since the oldest generation was most recently collected. Other
145 * collectors are free to return a pessimistic estimate of the elapsed time, or
146 * simply the time since the last full collection was performed.
147 *
148 * Note that in the presence of reference objects, a given object that is no
149 * longer strongly reachable may have to be inspected multiple times before it
150 * can be reclaimed.
151 */
152 JNIEXPORT jlong JNICALL
153 JVM_MaxObjectInspectionAge(void);
154
155 JNIEXPORT void JNICALL
156 JVM_TraceInstructions(jboolean on);
157
158 JNIEXPORT void JNICALL
159 JVM_TraceMethodCalls(jboolean on);
160
161 JNIEXPORT jlong JNICALL
162 JVM_TotalMemory(void);
163
164 JNIEXPORT jlong JNICALL
165 JVM_FreeMemory(void);
166
167 JNIEXPORT jlong JNICALL
168 JVM_MaxMemory(void);
169
170 JNIEXPORT jint JNICALL
171 JVM_ActiveProcessorCount(void);
172
173 JNIEXPORT void * JNICALL
174 JVM_LoadLibrary(const char *name);
175
176 JNIEXPORT void JNICALL
177 JVM_UnloadLibrary(void * handle);
178
179 JNIEXPORT void * JNICALL
180 JVM_FindLibraryEntry(void *handle, const char *name);
181
182 JNIEXPORT jboolean JNICALL
183 JVM_IsSupportedJNIVersion(jint version);
184
185 /*
186 * java.lang.Float and java.lang.Double
187 */
188 JNIEXPORT jboolean JNICALL
189 JVM_IsNaN(jdouble d);
190
191 /*
192 * java.lang.Throwable
193 */
194 JNIEXPORT void JNICALL
195 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
196
197 JNIEXPORT void JNICALL
198 JVM_PrintStackTrace(JNIEnv *env, jobject throwable, jobject printable);
199
200 JNIEXPORT jint JNICALL
201 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable);
202
203 JNIEXPORT jobject JNICALL
204 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index);
205
206 /*
207 * java.lang.Compiler
208 */
209 JNIEXPORT void JNICALL
210 JVM_InitializeCompiler (JNIEnv *env, jclass compCls);
211
212 JNIEXPORT jboolean JNICALL
213 JVM_IsSilentCompiler(JNIEnv *env, jclass compCls);
214
215 JNIEXPORT jboolean JNICALL
216 JVM_CompileClass(JNIEnv *env, jclass compCls, jclass cls);
217
218 JNIEXPORT jboolean JNICALL
219 JVM_CompileClasses(JNIEnv *env, jclass cls, jstring jname);
220
221 JNIEXPORT jobject JNICALL
222 JVM_CompilerCommand(JNIEnv *env, jclass compCls, jobject arg);
223
224 JNIEXPORT void JNICALL
225 JVM_EnableCompiler(JNIEnv *env, jclass compCls);
226
227 JNIEXPORT void JNICALL
228 JVM_DisableCompiler(JNIEnv *env, jclass compCls);
229
230 /*
231 * java.lang.Thread
232 */
233 JNIEXPORT void JNICALL
234 JVM_StartThread(JNIEnv *env, jobject thread);
235
236 JNIEXPORT void JNICALL
237 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
238
239 JNIEXPORT jboolean JNICALL
240 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
241
242 JNIEXPORT void JNICALL
243 JVM_SuspendThread(JNIEnv *env, jobject thread);
244
245 JNIEXPORT void JNICALL
246 JVM_ResumeThread(JNIEnv *env, jobject thread);
247
248 JNIEXPORT void JNICALL
249 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
250
251 JNIEXPORT void JNICALL
252 JVM_Yield(JNIEnv *env, jclass threadClass);
253
254 JNIEXPORT void JNICALL
255 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
256
257 JNIEXPORT jobject JNICALL
258 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
259
260 JNIEXPORT jint JNICALL
261 JVM_CountStackFrames(JNIEnv *env, jobject thread);
262
263 JNIEXPORT void JNICALL
264 JVM_Interrupt(JNIEnv *env, jobject thread);
265
266 JNIEXPORT jboolean JNICALL
267 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
268
269 JNIEXPORT jboolean JNICALL
270 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
271
272 JNIEXPORT void JNICALL
273 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
274
275 JNIEXPORT jobjectArray JNICALL
276 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
277
278 /* getStackTrace() and getAllStackTraces() method */
279 JNIEXPORT jobjectArray JNICALL
280 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
281
282 /*
283 * java.lang.SecurityManager
284 */
285 JNIEXPORT jclass JNICALL
286 JVM_CurrentLoadedClass(JNIEnv *env);
287
288 JNIEXPORT jobject JNICALL
289 JVM_CurrentClassLoader(JNIEnv *env);
290
291 JNIEXPORT jobjectArray JNICALL
292 JVM_GetClassContext(JNIEnv *env);
293
294 JNIEXPORT jint JNICALL
295 JVM_ClassDepth(JNIEnv *env, jstring name);
296
297 JNIEXPORT jint JNICALL
298 JVM_ClassLoaderDepth(JNIEnv *env);
299
300 /*
301 * java.lang.Package
302 */
303 JNIEXPORT jstring JNICALL
304 JVM_GetSystemPackage(JNIEnv *env, jstring name);
305
306 JNIEXPORT jobjectArray JNICALL
307 JVM_GetSystemPackages(JNIEnv *env);
308
309 /*
310 * java.io.ObjectInputStream
311 */
312 JNIEXPORT jobject JNICALL
313 JVM_AllocateNewObject(JNIEnv *env, jobject obj, jclass currClass,
314 jclass initClass);
315
316 JNIEXPORT jobject JNICALL
317 JVM_AllocateNewArray(JNIEnv *env, jobject obj, jclass currClass,
318 jint length);
319
320 JNIEXPORT jobject JNICALL
321 JVM_LatestUserDefinedLoader(JNIEnv *env);
322
323 /*
324 * This function has been deprecated and should not be considered
325 * part of the specified JVM interface.
326 */
327 JNIEXPORT jclass JNICALL
328 JVM_LoadClass0(JNIEnv *env, jobject obj, jclass currClass,
329 jstring currClassName);
330
331 /*
332 * java.lang.reflect.Array
333 */
334 JNIEXPORT jint JNICALL
335 JVM_GetArrayLength(JNIEnv *env, jobject arr);
336
337 JNIEXPORT jobject JNICALL
338 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
339
340 JNIEXPORT jvalue JNICALL
341 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
342
343 JNIEXPORT void JNICALL
344 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
345
346 JNIEXPORT void JNICALL
347 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
348 unsigned char vCode);
349
350 JNIEXPORT jobject JNICALL
351 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
352
353 JNIEXPORT jobject JNICALL
354 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
355
356 /*
357 * java.lang.Class and java.lang.ClassLoader
358 */
359 /*
360 * Returns the class in which the code invoking the native method
361 * belongs.
362 *
363 * Note that in JDK 1.1, native methods did not create a frame.
364 * In 1.2, they do. Therefore native methods like Class.forName
365 * can no longer look at the current frame for the caller class.
366 */
367 JNIEXPORT jclass JNICALL
368 JVM_GetCallerClass(JNIEnv *env, int n);
369
370 /*
371 * Find primitive classes
372 * utf: class name
373 */
374 JNIEXPORT jclass JNICALL
375 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
376
377 /*
378 * Link the class
379 */
380 JNIEXPORT void JNICALL
381 JVM_ResolveClass(JNIEnv *env, jclass cls);
382
383 /*
384 * Find a class from a given class loader. Throw ClassNotFoundException
385 * or NoClassDefFoundError depending on the value of the last
386 * argument.
387 */
388 JNIEXPORT jclass JNICALL
389 JVM_FindClassFromClassLoader(JNIEnv *env, const char *name, jboolean init,
390 jobject loader, jboolean throwError);
391
392 /*
393 * Find a class from a given class.
394 */
395 JNIEXPORT jclass JNICALL
396 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
397 jclass from);
398
399 /* Find a loaded class cached by the VM */
400 JNIEXPORT jclass JNICALL
401 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
402
403 /* Define a class */
404 JNIEXPORT jclass JNICALL
405 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
406 jsize len, jobject pd);
407
408 /* Define a class with a source (added in JDK1.5) */
409 JNIEXPORT jclass JNICALL
410 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
411 const jbyte *buf, jsize len, jobject pd,
412 const char *source);
413
414 /*
415 * Reflection support functions
416 */
417
418 JNIEXPORT jstring JNICALL
419 JVM_GetClassName(JNIEnv *env, jclass cls);
420
421 JNIEXPORT jobjectArray JNICALL
422 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
423
424 JNIEXPORT jobject JNICALL
425 JVM_GetClassLoader(JNIEnv *env, jclass cls);
426
427 JNIEXPORT jboolean JNICALL
428 JVM_IsInterface(JNIEnv *env, jclass cls);
429
430 JNIEXPORT jobjectArray JNICALL
431 JVM_GetClassSigners(JNIEnv *env, jclass cls);
432
433 JNIEXPORT void JNICALL
434 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
435
436 JNIEXPORT jobject JNICALL
437 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
438
439 JNIEXPORT void JNICALL
440 JVM_SetProtectionDomain(JNIEnv *env, jclass cls, jobject protection_domain);
441
442 JNIEXPORT jboolean JNICALL
443 JVM_IsArrayClass(JNIEnv *env, jclass cls);
444
445 JNIEXPORT jboolean JNICALL
446 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
447
448 JNIEXPORT jclass JNICALL
449 JVM_GetComponentType(JNIEnv *env, jclass cls);
450
451 JNIEXPORT jint JNICALL
452 JVM_GetClassModifiers(JNIEnv *env, jclass cls);
453
454 JNIEXPORT jobjectArray JNICALL
455 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass);
456
457 JNIEXPORT jclass JNICALL
458 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass);
459
460 /* Generics support (JDK 1.5) */
461 JNIEXPORT jstring JNICALL
462 JVM_GetClassSignature(JNIEnv *env, jclass cls);
463
464 /* Annotations support (JDK 1.5) */
465 JNIEXPORT jbyteArray JNICALL
466 JVM_GetClassAnnotations(JNIEnv *env, jclass cls);
467
468 /* Annotations support (JDK 1.6) */
469
470 // field is a handle to a java.lang.reflect.Field object
471 JNIEXPORT jbyteArray JNICALL
472 JVM_GetFieldAnnotations(JNIEnv *env, jobject field);
473
474 // method is a handle to a java.lang.reflect.Method object
475 JNIEXPORT jbyteArray JNICALL
476 JVM_GetMethodAnnotations(JNIEnv *env, jobject method);
477
478 // method is a handle to a java.lang.reflect.Method object
479 JNIEXPORT jbyteArray JNICALL
480 JVM_GetMethodDefaultAnnotationValue(JNIEnv *env, jobject method);
481
482 // method is a handle to a java.lang.reflect.Method object
483 JNIEXPORT jbyteArray JNICALL
484 JVM_GetMethodParameterAnnotations(JNIEnv *env, jobject method);
485
486
487 /*
488 * New (JDK 1.4) reflection implementation
489 */
490
491 JNIEXPORT jobjectArray JNICALL
492 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
493
494 JNIEXPORT jobjectArray JNICALL
495 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
496
497 JNIEXPORT jobjectArray JNICALL
498 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
499
500 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
501 This returns the access flags for the class as specified in the
502 class file rather than searching the InnerClasses attribute (if
503 present) to find the source-level access flags. Only the values of
504 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
505 valid. */
506 JNIEXPORT jint JNICALL
507 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
508
509 /*
510 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
511 */
512
513 JNIEXPORT jobject JNICALL
514 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
515
516 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
517 (JNIEnv *env, jobject unused, jobject jcpool);
518
519 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
520 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
521
522 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
523 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
524
525 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
526 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
527
528 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
529 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
530
531 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
532 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
533
534 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
535 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
536
537 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
538 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
539
540 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
541 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
542
543 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
544 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
545
546 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
547 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
548
549 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
550 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
551
552 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
553 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
554
555 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
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 * sun.misc.AtomicLong
602 */
603 JNIEXPORT jboolean JNICALL
604 JVM_SupportsCX8(void);
605
606 JNIEXPORT jboolean JNICALL
607 JVM_CX8Field(JNIEnv *env, jobject obj, jfieldID fldID, jlong oldVal, jlong newVal);
608
609 /*************************************************************************
610 PART 2: Support for the Verifier and Class File Format Checker
611 ************************************************************************/
612 /*
613 * Return the class name in UTF format. The result is valid
614 * until JVM_ReleaseUTf is called.
615 *
616 * The caller must treat the string as a constant and not modify it
617 * in any way.
618 */
619 JNIEXPORT const char * JNICALL
620 JVM_GetClassNameUTF(JNIEnv *env, jclass cb);
621
622 /*
623 * Returns the constant pool types in the buffer provided by "types."
624 */
625 JNIEXPORT void JNICALL
626 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
627
628 /*
629 * Returns the number of Constant Pool entries.
630 */
631 JNIEXPORT jint JNICALL
632 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
633
634 /*
635 * Returns the number of *declared* fields or methods.
636 */
637 JNIEXPORT jint JNICALL
638 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
639
640 JNIEXPORT jint JNICALL
641 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
642
643 /*
644 * Returns the CP indexes of exceptions raised by a given method.
645 * Places the result in the given buffer.
646 *
647 * The method is identified by method_index.
648 */
649 JNIEXPORT void JNICALL
650 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
651 unsigned short *exceptions);
652 /*
653 * Returns the number of exceptions raised by a given method.
654 * The method is identified by method_index.
655 */
656 JNIEXPORT jint JNICALL
657 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
658
659 /*
660 * Returns the byte code sequence of a given method.
661 * Places the result in the given buffer.
662 *
663 * The method is identified by method_index.
664 */
665 JNIEXPORT void JNICALL
666 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
667 unsigned char *code);
668
669 /*
670 * Returns the length of the byte code sequence of a given method.
671 * The method is identified by method_index.
672 */
673 JNIEXPORT jint JNICALL
674 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
675
676 /*
677 * A structure used to a capture exception table entry in a Java method.
678 */
679 typedef struct {
680 jint start_pc;
681 jint end_pc;
682 jint handler_pc;
683 jint catchType;
684 } JVM_ExceptionTableEntryType;
685
686 /*
687 * Returns the exception table entry at entry_index of a given method.
688 * Places the result in the given buffer.
689 *
690 * The method is identified by method_index.
691 */
692 JNIEXPORT void JNICALL
693 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
694 jint entry_index,
695 JVM_ExceptionTableEntryType *entry);
696
697 /*
698 * Returns the length of the exception table of a given method.
699 * The method is identified by method_index.
700 */
701 JNIEXPORT jint JNICALL
702 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
703
704 /*
705 * Returns the modifiers of a given field.
706 * The field is identified by field_index.
707 */
708 JNIEXPORT jint JNICALL
709 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
710
711 /*
712 * Returns the modifiers of a given method.
713 * The method is identified by method_index.
714 */
715 JNIEXPORT jint JNICALL
716 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
717
718 /*
719 * Returns the number of local variables of a given method.
720 * The method is identified by method_index.
721 */
722 JNIEXPORT jint JNICALL
723 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
724
725 /*
726 * Returns the number of arguments (including this pointer) of a given method.
727 * The method is identified by method_index.
728 */
729 JNIEXPORT jint JNICALL
730 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
731
732 /*
733 * Returns the maximum amount of stack (in words) used by a given method.
734 * The method is identified by method_index.
735 */
736 JNIEXPORT jint JNICALL
737 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
738
739 /*
740 * Is a given method a constructor.
741 * The method is identified by method_index.
742 */
743 JNIEXPORT jboolean JNICALL
744 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
745
746 /*
747 * Returns the name of a given method in UTF format.
748 * The result remains valid until JVM_ReleaseUTF is called.
749 *
750 * The caller must treat the string as a constant and not modify it
751 * in any way.
752 */
753 JNIEXPORT const char * JNICALL
754 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
755
756 /*
757 * Returns the signature of a given method in UTF format.
758 * The result remains valid until JVM_ReleaseUTF is called.
759 *
760 * The caller must treat the string as a constant and not modify it
761 * in any way.
762 */
763 JNIEXPORT const char * JNICALL
764 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
765
766 /*
767 * Returns the name of the field refered to at a given constant pool
768 * index.
769 *
770 * The result is in UTF format and remains valid until JVM_ReleaseUTF
771 * is called.
772 *
773 * The caller must treat the string as a constant and not modify it
774 * in any way.
775 */
776 JNIEXPORT const char * JNICALL
777 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
778
779 /*
780 * Returns the name of the method refered to at a given constant pool
781 * index.
782 *
783 * The result is in UTF format and remains valid until JVM_ReleaseUTF
784 * is called.
785 *
786 * The caller must treat the string as a constant and not modify it
787 * in any way.
788 */
789 JNIEXPORT const char * JNICALL
790 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
791
792 /*
793 * Returns the signature of the method refered to at a given constant pool
794 * index.
795 *
796 * The result is in UTF format and remains valid until JVM_ReleaseUTF
797 * 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_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
804
805 /*
806 * Returns the signature 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_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
817
818 /*
819 * Returns the class name refered to at a given constant pool index.
820 *
821 * The result is in UTF format and remains valid until JVM_ReleaseUTF
822 * is called.
823 *
824 * The caller must treat the string as a constant and not modify it
825 * in any way.
826 */
827 JNIEXPORT const char * JNICALL
828 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
829
830 /*
831 * Returns the class name refered to at a given constant pool index.
832 *
833 * The constant pool entry must refer to a CONSTANT_Fieldref.
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_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
843
844 /*
845 * Returns the class name refered to at a given constant pool index.
846 *
847 * The constant pool entry must refer to CONSTANT_Methodref or
848 * CONSTANT_InterfaceMethodref.
849 *
850 * The result is in UTF format and remains valid until JVM_ReleaseUTF
851 * is called.
852 *
853 * The caller must treat the string as a constant and not modify it
854 * in any way.
855 */
856 JNIEXPORT const char * JNICALL
857 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
858
859 /*
860 * Returns the modifiers of a field in calledClass. The field is
861 * referred to in class cb at constant pool entry index.
862 *
863 * The caller must treat the string as a constant and not modify it
864 * in any way.
865 *
866 * Returns -1 if the field does not exist in calledClass.
867 */
868 JNIEXPORT jint JNICALL
869 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
870
871 /*
872 * Returns the modifiers of a method in calledClass. The method is
873 * referred to in class cb at constant pool entry index.
874 *
875 * Returns -1 if the method does not exist in calledClass.
876 */
877 JNIEXPORT jint JNICALL
878 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
879
880 /*
881 * Releases the UTF string obtained from the VM.
882 */
883 JNIEXPORT void JNICALL
884 JVM_ReleaseUTF(const char *utf);
885
886 /*
887 * Compare if two classes are in the same package.
888 */
889 JNIEXPORT jboolean JNICALL
890 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
891
892 /* Constants in class files */
893
894 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */
895 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */
896 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */
897 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */
898 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */
899 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */
900 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */
901 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */
902 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */
903 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */
904 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */
905 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */
906 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */
907 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */
908 #define JVM_ACC_STRICT 0x0800 /* strict floating point */
909 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */
910 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */
911 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */
912
913 #define JVM_ACC_PUBLIC_BIT 0
914 #define JVM_ACC_PRIVATE_BIT 1
915 #define JVM_ACC_PROTECTED_BIT 2
916 #define JVM_ACC_STATIC_BIT 3
917 #define JVM_ACC_FINAL_BIT 4
918 #define JVM_ACC_SYNCHRONIZED_BIT 5
919 #define JVM_ACC_SUPER_BIT 5
920 #define JVM_ACC_VOLATILE_BIT 6
921 #define JVM_ACC_BRIDGE_BIT 6
922 #define JVM_ACC_TRANSIENT_BIT 7
923 #define JVM_ACC_VARARGS_BIT 7
924 #define JVM_ACC_NATIVE_BIT 8
925 #define JVM_ACC_INTERFACE_BIT 9
926 #define JVM_ACC_ABSTRACT_BIT 10
927 #define JVM_ACC_STRICT_BIT 11
928 #define JVM_ACC_SYNTHETIC_BIT 12
929 #define JVM_ACC_ANNOTATION_BIT 13
930 #define JVM_ACC_ENUM_BIT 14
931
932 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
933 enum {
934 JVM_CONSTANT_Utf8 = 1,
935 JVM_CONSTANT_Unicode, /* unused */
936 JVM_CONSTANT_Integer,
937 JVM_CONSTANT_Float,
938 JVM_CONSTANT_Long,
939 JVM_CONSTANT_Double,
940 JVM_CONSTANT_Class,
941 JVM_CONSTANT_String,
942 JVM_CONSTANT_Fieldref,
943 JVM_CONSTANT_Methodref,
944 JVM_CONSTANT_InterfaceMethodref,
945 JVM_CONSTANT_NameAndType
946 };
947
948 /* Used in the newarray instruction. */
949
950 #define JVM_T_BOOLEAN 4
951 #define JVM_T_CHAR 5
952 #define JVM_T_FLOAT 6
953 #define JVM_T_DOUBLE 7
954 #define JVM_T_BYTE 8
955 #define JVM_T_SHORT 9
956 #define JVM_T_INT 10
957 #define JVM_T_LONG 11
958
959 /* JVM method signatures */
960
961 #define JVM_SIGNATURE_ARRAY '['
962 #define JVM_SIGNATURE_BYTE 'B'
963 #define JVM_SIGNATURE_CHAR 'C'
964 #define JVM_SIGNATURE_CLASS 'L'
965 #define JVM_SIGNATURE_ENDCLASS ';'
966 #define JVM_SIGNATURE_ENUM 'E'
967 #define JVM_SIGNATURE_FLOAT 'F'
968 #define JVM_SIGNATURE_DOUBLE 'D'
969 #define JVM_SIGNATURE_FUNC '('
970 #define JVM_SIGNATURE_ENDFUNC ')'
971 #define JVM_SIGNATURE_INT 'I'
972 #define JVM_SIGNATURE_LONG 'J'
973 #define JVM_SIGNATURE_SHORT 'S'
974 #define JVM_SIGNATURE_VOID 'V'
975 #define JVM_SIGNATURE_BOOLEAN 'Z'
976
977 /*
978 * A function defined by the byte-code verifier and called by the VM.
979 * This is not a function implemented in the VM.
980 *
981 * Returns JNI_FALSE if verification fails. A detailed error message
982 * will be places in msg_buf, whose length is specified by buf_len.
983 */
984 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
985 jclass cb,
986 char * msg_buf,
987 jint buf_len);
988
989
990 /*
991 * Support for a VM-independent class format checker.
992 */
993 typedef struct {
994 unsigned long code; /* byte code */
995 unsigned long excs; /* exceptions */
996 unsigned long etab; /* catch table */
997 unsigned long lnum; /* line number */
998 unsigned long lvar; /* local vars */
999 } method_size_info;
1000
1001 typedef struct {
1002 unsigned int constants; /* constant pool */
1003 unsigned int fields;
1004 unsigned int methods;
1005 unsigned int interfaces;
1006 unsigned int fields2; /* number of static 2-word fields */
1007 unsigned int innerclasses; /* # of records in InnerClasses attr */
1008
1009 method_size_info clinit; /* memory used in clinit */
1010 method_size_info main; /* used everywhere else */
1011 } class_size_info;
1012
1013 /*
1014 * Functions defined in libjava.so to perform string conversions.
1015 *
1016 */
1017
1018 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1019
1020 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1021
1022 /* This is the function defined in libjava.so that performs class
1023 * format checks. This functions fills in size information about
1024 * the class file and returns:
1025 *
1026 * 0: good
1027 * -1: out of memory
1028 * -2: bad format
1029 * -3: unsupported version
1030 * -4: bad class name
1031 */
1032
1033 typedef jint (*check_format_fn_t)(char *class_name,
1034 unsigned char *data,
1035 unsigned int data_size,
1036 class_size_info *class_size,
1037 char *message_buffer,
1038 jint buffer_length,
1039 jboolean measure_only,
1040 jboolean check_relaxed);
1041
1042 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1043 JVM_ACC_FINAL | \
1044 JVM_ACC_SUPER | \
1045 JVM_ACC_INTERFACE | \
1046 JVM_ACC_ABSTRACT | \
1047 JVM_ACC_ANNOTATION | \
1048 JVM_ACC_ENUM | \
1049 JVM_ACC_SYNTHETIC)
1050
1051 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1052 JVM_ACC_PRIVATE | \
1053 JVM_ACC_PROTECTED | \
1054 JVM_ACC_STATIC | \
1055 JVM_ACC_FINAL | \
1056 JVM_ACC_VOLATILE | \
1057 JVM_ACC_TRANSIENT | \
1058 JVM_ACC_ENUM | \
1059 JVM_ACC_SYNTHETIC)
1060
1061 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1062 JVM_ACC_PRIVATE | \
1063 JVM_ACC_PROTECTED | \
1064 JVM_ACC_STATIC | \
1065 JVM_ACC_FINAL | \
1066 JVM_ACC_SYNCHRONIZED | \
1067 JVM_ACC_BRIDGE | \
1068 JVM_ACC_VARARGS | \
1069 JVM_ACC_NATIVE | \
1070 JVM_ACC_ABSTRACT | \
1071 JVM_ACC_STRICT | \
1072 JVM_ACC_SYNTHETIC)
1073
1074 /*
1075 * This is the function defined in libjava.so to perform path
1076 * canonicalization. VM call this function before opening jar files
1077 * to load system classes.
1078 *
1079 */
1080
1081 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1082
1083 /*************************************************************************
1084 PART 3: I/O and Network Support
1085 ************************************************************************/
1086
1087 /* Note that the JVM IO functions are expected to return JVM_IO_ERR
1088 * when there is any kind of error. The caller can then use the
1089 * platform specific support (e.g., errno) to get the detailed
1090 * error info. The JVM_GetLastErrorString procedure may also be used
1091 * to obtain a descriptive error string.
1092 */
1093 #define JVM_IO_ERR (-1)
1094
1095 /* For interruptible IO. Returning JVM_IO_INTR indicates that an IO
1096 * operation has been disrupted by Thread.interrupt. There are a
1097 * number of technical difficulties related to interruptible IO that
1098 * need to be solved. For example, most existing programs do not handle
1099 * InterruptedIOExceptions specially, they simply treat those as any
1100 * IOExceptions, which typically indicate fatal errors.
1101 *
1102 * There are also two modes of operation for interruptible IO. In the
1103 * resumption mode, an interrupted IO operation is guaranteed not to
1104 * have any side-effects, and can be restarted. In the termination mode,
1105 * an interrupted IO operation corrupts the underlying IO stream, so
1106 * that the only reasonable operation on an interrupted stream is to
1107 * close that stream. The resumption mode seems to be impossible to
1108 * implement on Win32 and Solaris. Implementing the termination mode is
1109 * easier, but it's not clear that's the right semantics.
1110 *
1111 * Interruptible IO is not supported on Win32.It can be enabled/disabled
1112 * using a compile-time flag on Solaris. Third-party JVM ports do not
1113 * need to implement interruptible IO.
1114 */
1115 #define JVM_IO_INTR (-2)
1116
1117 /* Write a string into the given buffer, in the platform's local encoding,
1118 * that describes the most recent system-level error to occur in this thread.
1119 * Return the length of the string or zero if no error occurred.
1120 */
1121 JNIEXPORT jint JNICALL
1122 JVM_GetLastErrorString(char *buf, int len);
1123
1124 /*
1125 * Convert a pathname into native format. This function does syntactic
1126 * cleanup, such as removing redundant separator characters. It modifies
1127 * the given pathname string in place.
1128 */
1129 JNIEXPORT char * JNICALL
1130 JVM_NativePath(char *);
1131
1132 /*
1133 * JVM I/O error codes
1134 */
1135 #define JVM_EEXIST -100
1136
1137 /*
1138 * Open a file descriptor. This function returns a negative error code
1139 * on error, and a non-negative integer that is the file descriptor on
1140 * success.
1141 */
1142 JNIEXPORT jint JNICALL
1143 JVM_Open(const char *fname, jint flags, jint mode);
1144
1145 /*
1146 * Close a file descriptor. This function returns -1 on error, and 0
1147 * on success.
1148 *
1149 * fd the file descriptor to close.
1150 */
1151 JNIEXPORT jint JNICALL
1152 JVM_Close(jint fd);
1153
1154 /*
1155 * Read data from a file decriptor into a char array.
1156 *
1157 * fd the file descriptor to read from.
1158 * buf the buffer where to put the read data.
1159 * nbytes the number of bytes to read.
1160 *
1161 * This function returns -1 on error, and 0 on success.
1162 */
1163 JNIEXPORT jint JNICALL
1164 JVM_Read(jint fd, char *buf, jint nbytes);
1165
1166 /*
1167 * Write data from a char array to a file decriptor.
1168 *
1169 * fd the file descriptor to read from.
1170 * buf the buffer from which to fetch the data.
1171 * nbytes the number of bytes to write.
1172 *
1173 * This function returns -1 on error, and 0 on success.
1174 */
1175 JNIEXPORT jint JNICALL
1176 JVM_Write(jint fd, char *buf, jint nbytes);
1177
1178 /*
1179 * Returns the number of bytes available for reading from a given file
1180 * descriptor
1181 */
1182 JNIEXPORT jint JNICALL
1183 JVM_Available(jint fd, jlong *pbytes);
1184
1185 /*
1186 * Move the file descriptor pointer from whence by offset.
1187 *
1188 * fd the file descriptor to move.
1189 * offset the number of bytes to move it by.
1190 * whence the start from where to move it.
1191 *
1192 * This function returns the resulting pointer location.
1193 */
1194 JNIEXPORT jlong JNICALL
1195 JVM_Lseek(jint fd, jlong offset, jint whence);
1196
1197 /*
1198 * Set the length of the file associated with the given descriptor to the given
1199 * length. If the new length is longer than the current length then the file
1200 * is extended; the contents of the extended portion are not defined. The
1201 * value of the file pointer is undefined after this procedure returns.
1202 */
1203 JNIEXPORT jint JNICALL
1204 JVM_SetLength(jint fd, jlong length);
1205
1206 /*
1207 * Synchronize the file descriptor's in memory state with that of the
1208 * physical device. Return of -1 is an error, 0 is OK.
1209 */
1210 JNIEXPORT jint JNICALL
1211 JVM_Sync(jint fd);
1212
1213 /*
1214 * Networking library support
1215 */
1216
1217 JNIEXPORT jint JNICALL
1218 JVM_InitializeSocketLibrary(void);
1219
1220 struct sockaddr;
1221
1222 JNIEXPORT jint JNICALL
1223 JVM_Socket(jint domain, jint type, jint protocol);
1224
1225 JNIEXPORT jint JNICALL
1226 JVM_SocketClose(jint fd);
1227
1228 JNIEXPORT jint JNICALL
1229 JVM_SocketShutdown(jint fd, jint howto);
1230
1231 JNIEXPORT jint JNICALL
1232 JVM_Recv(jint fd, char *buf, jint nBytes, jint flags);
1233
1234 JNIEXPORT jint JNICALL
1235 JVM_Send(jint fd, char *buf, jint nBytes, jint flags);
1236
1237 JNIEXPORT jint JNICALL
1238 JVM_Timeout(int fd, long timeout);
1239
1240 JNIEXPORT jint JNICALL
1241 JVM_Listen(jint fd, jint count);
1242
1243 JNIEXPORT jint JNICALL
1244 JVM_Connect(jint fd, struct sockaddr *him, jint len);
1245
1246 JNIEXPORT jint JNICALL
1247 JVM_Bind(jint fd, struct sockaddr *him, jint len);
1248
1249 JNIEXPORT jint JNICALL
1250 JVM_Accept(jint fd, struct sockaddr *him, jint *len);
1251
1252 JNIEXPORT jint JNICALL
1253 JVM_RecvFrom(jint fd, char *buf, int nBytes,
1254 int flags, struct sockaddr *from, int *fromlen);
1255
1256 JNIEXPORT jint JNICALL
1257 JVM_SendTo(jint fd, char *buf, int len,
1258 int flags, struct sockaddr *to, int tolen);
1259
1260 JNIEXPORT jint JNICALL
1261 JVM_SocketAvailable(jint fd, jint *result);
1262
1263
1264 JNIEXPORT jint JNICALL
1265 JVM_GetSockName(jint fd, struct sockaddr *him, int *len);
1266
1267 JNIEXPORT jint JNICALL
1268 JVM_GetSockOpt(jint fd, int level, int optname, char *optval, int *optlen);
1269
1270 JNIEXPORT jint JNICALL
1271 JVM_SetSockOpt(jint fd, int level, int optname, const char *optval, int optlen);
1272
1273 /*
1274 * These routines are only reentrant on Windows
1275 */
1276
1277 #ifdef _WINDOWS
1278
1279 JNIEXPORT struct protoent * JNICALL
1280 JVM_GetProtoByName(char* name);
1281
1282 JNIEXPORT struct hostent* JNICALL
1283 JVM_GetHostByAddr(const char* name, int len, int type);
1284
1285 JNIEXPORT struct hostent* JNICALL
1286 JVM_GetHostByName(char* name);
1287
1288 #endif /* _WINDOWS */
1289
1290 JNIEXPORT int JNICALL
1291 JVM_GetHostName(char* name, int namelen);
1292
1293 /*
1294 * The standard printing functions supported by the Java VM. (Should they
1295 * be renamed to JVM_* in the future?
1296 */
1297
1298 /*
1299 * BE CAREFUL! The following functions do not implement the
1300 * full feature set of standard C printf formats.
1301 */
1302 int
1303 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1304
1305 int
1306 jio_snprintf(char *str, size_t count, const char *fmt, ...);
1307
1308 int
1309 jio_fprintf(FILE *, const char *fmt, ...);
1310
1311 int
1312 jio_vfprintf(FILE *, const char *fmt, va_list args);
1313
1314
1315 JNIEXPORT void * JNICALL
1316 JVM_RawMonitorCreate(void);
1317
1318 JNIEXPORT void JNICALL
1319 JVM_RawMonitorDestroy(void *mon);
1320
1321 JNIEXPORT jint JNICALL
1322 JVM_RawMonitorEnter(void *mon);
1323
1324 JNIEXPORT void JNICALL
1325 JVM_RawMonitorExit(void *mon);
1326
1327
1328 #ifdef SUPPORT_OLD_REFLECTION
1329
1330 /*
1331 * Support for old native code-based (pre-JDK 1.4) reflection implementation.
1332 * Disabled by default in the product build.
1333 *
1334 * See reflection.hpp for information on SUPPORT_OLD_REFLECTION
1335 */
1336
1337 /*
1338 * reflecting fields and methods.
1339 * which: 0 --- MEMBER_PUBLIC
1340 * 1 --- MEMBER_DECLARED
1341 * NOTE: absent in product build by default
1342 */
1343
1344 JNIEXPORT jobjectArray JNICALL
1345 JVM_GetClassFields(JNIEnv *env, jclass cls, jint which);
1346
1347 JNIEXPORT jobjectArray JNICALL
1348 JVM_GetClassMethods(JNIEnv *env, jclass cls, jint which);
1349
1350 JNIEXPORT jobjectArray JNICALL
1351 JVM_GetClassConstructors(JNIEnv *env, jclass cls, jint which);
1352
1353 JNIEXPORT jobject JNICALL
1354 JVM_GetClassField(JNIEnv *env, jclass cls, jstring name, jint which);
1355
1356 JNIEXPORT jobject JNICALL
1357 JVM_GetClassMethod(JNIEnv *env, jclass cls, jstring name, jobjectArray types,
1358 jint which);
1359 JNIEXPORT jobject JNICALL
1360 JVM_GetClassConstructor(JNIEnv *env, jclass cls, jobjectArray types,
1361 jint which);
1362
1363 /*
1364 * Implements Class.newInstance
1365 */
1366 JNIEXPORT jobject JNICALL
1367 JVM_NewInstance(JNIEnv *env, jclass cls);
1368
1369 /*
1370 * java.lang.reflect.Field
1371 */
1372 JNIEXPORT jobject JNICALL
1373 JVM_GetField(JNIEnv *env, jobject field, jobject obj);
1374
1375 JNIEXPORT jvalue JNICALL
1376 JVM_GetPrimitiveField(JNIEnv *env, jobject field, jobject obj,
1377 unsigned char wCode);
1378
1379 JNIEXPORT void JNICALL
1380 JVM_SetField(JNIEnv *env, jobject field, jobject obj, jobject val);
1381
1382 JNIEXPORT void JNICALL
1383 JVM_SetPrimitiveField(JNIEnv *env, jobject field, jobject obj, jvalue v,
1384 unsigned char vCode);
1385
1386 /*
1387 * java.lang.reflect.Method
1388 */
1389 JNIEXPORT jobject JNICALL
1390 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0);
1391
1392 /*
1393 * java.lang.reflect.Constructor
1394 */
1395 JNIEXPORT jobject JNICALL
1396 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0);
1397
1398 #endif /* SUPPORT_OLD_REFLECTION */
1399
1400 /*
1401 * java.lang.management support
1402 */
1403 JNIEXPORT void* JNICALL
1404 JVM_GetManagement(jint version);
1405
1406 /*
1407 * com.sun.tools.attach.VirtualMachine support
1408 *
1409 * Initialize the agent properties with the properties maintained in the VM.
1410 */
1411 JNIEXPORT jobject JNICALL
1412 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props);
1413
1414 /* Generics reflection support.
1415 *
1416 * Returns information about the given class's EnclosingMethod
1417 * attribute, if present, or null if the class had no enclosing
1418 * method.
1419 *
1420 * If non-null, the returned array contains three elements. Element 0
1421 * is the java.lang.Class of which the enclosing method is a member,
1422 * and elements 1 and 2 are the java.lang.Strings for the enclosing
1423 * method's name and descriptor, respectively.
1424 */
1425 JNIEXPORT jobjectArray JNICALL
1426 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass);
1427
1428 /*
1429 * Java thread state support
1430 */
1431 enum {
1432 JAVA_THREAD_STATE_NEW = 0,
1433 JAVA_THREAD_STATE_RUNNABLE = 1,
1434 JAVA_THREAD_STATE_BLOCKED = 2,
1435 JAVA_THREAD_STATE_WAITING = 3,
1436 JAVA_THREAD_STATE_TIMED_WAITING = 4,
1437 JAVA_THREAD_STATE_TERMINATED = 5,
1438 JAVA_THREAD_STATE_COUNT = 6
1439 };
1440
1441 /*
1442 * Returns an array of the threadStatus values representing the
1443 * given Java thread state. Returns NULL if the VM version is
1444 * incompatible with the JDK or doesn't support the given
1445 * Java thread state.
1446 */
1447 JNIEXPORT jintArray JNICALL
1448 JVM_GetThreadStateValues(JNIEnv* env, jint javaThreadState);
1449
1450 /*
1451 * Returns an array of the substate names representing the
1452 * given Java thread state. Returns NULL if the VM version is
1453 * incompatible with the JDK or the VM doesn't support
1454 * the given Java thread state.
1455 * values must be the jintArray returned from JVM_GetThreadStateValues
1456 * and javaThreadState.
1457 */
1458 JNIEXPORT jobjectArray JNICALL
1459 JVM_GetThreadStateNames(JNIEnv* env, jint javaThreadState, jintArray values);
1460
1461 /* =========================================================================
1462 * The following defines a private JVM interface that the JDK can query
1463 * for the JVM version and capabilities. sun.misc.Version defines
1464 * the methods for getting the VM version and its capabilities.
1465 *
1466 * When a new bit is added, the following should be updated to provide
1467 * access to the new capability:
1468 * HS: JVM_GetVersionInfo and Abstract_VM_Version class
1469 * SDK: Version class
1470 *
1471 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for
1472 * JVM to query for the JDK version and capabilities.
1473 *
1474 * When a new bit is added, the following should be updated to provide
1475 * access to the new capability:
1476 * HS: JDK_Version class
1477 * SDK: JDK_GetVersionInfo0
1478 *
1479 * ==========================================================================
1480 */
1481 typedef struct {
1482 /* HotSpot Express VM version string:
1483 * <major>.<minor>-bxx[-<identifier>][-<debug_flavor>]
1484 */
1485 unsigned int jvm_version; /* Consists of major.minor.0.build */
1486 unsigned int update_version : 8; /* 0 in HotSpot Express VM */
1487 unsigned int special_update_version : 8; /* 0 in HotSpot Express VM */
1488 unsigned int reserved1 : 16;
1489 unsigned int reserved2;
1490
1491 /* The following bits represents JVM supports that JDK has dependency on.
1492 * JDK can use these bits to determine which JVM version
1493 * and support it has to maintain runtime compatibility.
1494 *
1495 * When a new bit is added in a minor or update release, make sure
1496 * the new bit is also added in the main/baseline.
1497 */
1498 unsigned int is_attachable : 1;
1499 unsigned int is_kernel_jvm : 1;
1500 unsigned int : 30;
1501 unsigned int : 32;
1502 unsigned int : 32;
1503 } jvm_version_info;
1504
1505 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1506 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1507 // Micro version is 0 in HotSpot Express VM (set in jvm.cpp).
1508 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1509 /* Build number is available in all HotSpot Express VM builds.
1510 * It is defined in make/hotspot_version file.
1511 */
1512 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1513
1514 JNIEXPORT void JNICALL
1515 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1516
1517 typedef struct {
1518 // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx
1519 unsigned int jdk_version; /* Consists of major, minor, micro (n.n.n) */
1520 /* and build number (xx) */
1521 unsigned int update_version : 8; /* Update release version (uu) */
1522 unsigned int special_update_version : 8; /* Special update release version (c)*/
1523 unsigned int reserved1 : 16;
1524 unsigned int reserved2;
1525
1526 /* The following bits represents new JDK supports that VM has dependency on.
1527 * VM implementation can use these bits to determine which JDK version
1528 * and support it has to maintain runtime compatibility.
1529 *
1530 * When a new bit is added in a minor or update release, make sure
1531 * the new bit is also added in the main/baseline.
1532 */
1533 unsigned int thread_park_blocker : 1;
1534 unsigned int : 31;
1535 unsigned int : 32;
1536 unsigned int : 32;
1537 } jdk_version_info;
1538
1539 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1540 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1541 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1542
1543 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN)
1544 * It will be zero for internal builds.
1545 */
1546 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1547
1548 /*
1549 * This is the function JDK_GetVersionInfo0 defined in libjava.so
1550 * that is dynamically looked up by JVM.
1551 */
1552 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1553
1554 /*
1555 * This structure is used by the launcher to get the default thread
1556 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1557 * version of 1.1. As it is not supported otherwise, it has been removed
1558 * from jni.h
1559 */
1560 typedef struct JDK1_1InitArgs {
1561 jint version;
1562
1563 char **properties;
1564 jint checkSource;
1565 jint nativeStackSize;
1566 jint javaStackSize;
1567 jint minHeapSize;
1568 jint maxHeapSize;
1569 jint verifyMode;
1570 char *classpath;
1571
1572 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1573 void (JNICALL *exit)(jint code);
1574 void (JNICALL *abort)(void);
1575
1576 jint enableClassGC;
1577 jint enableVerboseGC;
1578 jint disableAsyncGC;
1579 jint verbose;
1580 jboolean debugging;
1581 jint debugPort;
1582 } JDK1_1InitArgs;
1583
1584 #ifdef __cplusplus
1585 } /* extern "C" */
1586 #endif /* __cplusplus */
1587
1588 #endif /* !_JAVASOFT_JVM_H_ */