1 /*
2 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_PRIMS_JVM_H
26 #define SHARE_VM_PRIMS_JVM_H
27
28 #include "prims/jni.h"
29 #ifdef TARGET_OS_FAMILY_linux
30 # include "jvm_linux.h"
31 #endif
32 #ifdef TARGET_OS_FAMILY_solaris
33 # include "jvm_solaris.h"
34 #endif
35 #ifdef TARGET_OS_FAMILY_windows
36 # include "jvm_windows.h"
37 #endif
38 #ifdef TARGET_OS_FAMILY_aix
39 # include "jvm_aix.h"
40 #endif
41 #ifdef TARGET_OS_FAMILY_bsd
42 # include "jvm_bsd.h"
43 #endif
44
45 #ifndef _JAVASOFT_JVM_H_
46 #define _JAVASOFT_JVM_H_
47
48 // HotSpot integration note:
49 //
50 // This file and jvm.h used with the JDK are identical,
51 // except for the three includes removed below
52
53 // #include <sys/stat.h>
54 // #include "jni.h"
55 // #include "jvm_md.h"
56
57
58 #ifdef __cplusplus
59 extern "C" {
60 #endif
61
62 /*
63 * This file contains additional functions exported from the VM.
64 * These functions are complementary to the standard JNI support.
65 * There are three parts to this file:
66 *
67 * First, this file contains the VM-related functions needed by native
68 * libraries in the standard Java API. For example, the java.lang.Object
69 * class needs VM-level functions that wait for and notify monitors.
70 *
71 * Second, this file contains the functions and constant definitions
72 * needed by the byte code verifier and class file format checker.
73 * These functions allow the verifier and format checker to be written
74 * in a VM-independent way.
75 *
76 * Third, this file contains various I/O and nerwork operations needed
77 * by the standard Java I/O and network APIs.
78 */
79
80 /*
81 * Bump the version number when either of the following happens:
82 *
83 * 1. There is a change in JVM_* functions.
84 *
85 * 2. There is a change in the contract between VM and Java classes.
86 * For example, if the VM relies on a new private field in Thread
87 * class.
88 */
89
90 #define JVM_INTERFACE_VERSION 5
91
92 JNIEXPORT jobjectArray JNICALL
93 JVM_GetMethodParameters(JNIEnv *env, jobject method);
94
95 JNIEXPORT jint JNICALL
96 JVM_GetInterfaceVersion(void);
97
98 /*************************************************************************
99 PART 1: Functions for Native Libraries
100 ************************************************************************/
101 /*
102 * java.lang.Object
103 */
104 JNIEXPORT jint JNICALL
105 JVM_IHashCode(JNIEnv *env, jobject obj);
106
107 JNIEXPORT void JNICALL
108 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms);
109
110 JNIEXPORT void JNICALL
111 JVM_MonitorNotify(JNIEnv *env, jobject obj);
112
113 JNIEXPORT void JNICALL
114 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj);
115
116 JNIEXPORT jobject JNICALL
117 JVM_Clone(JNIEnv *env, jobject obj);
118
119 /*
120 * java.lang.String
121 */
122 JNIEXPORT jstring JNICALL
123 JVM_InternString(JNIEnv *env, jstring str);
124
125 /*
126 * java.lang.System
127 */
128 JNIEXPORT jlong JNICALL
129 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored);
130
131 JNIEXPORT jlong JNICALL
132 JVM_NanoTime(JNIEnv *env, jclass ignored);
133
134 JNIEXPORT jlong JNICALL
135 JVM_GetNanoTimeAdjustment(JNIEnv *env, jclass ignored, jlong offset_secs);
136
137 JNIEXPORT void JNICALL
138 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
139 jobject dst, jint dst_pos, jint length);
140
141 JNIEXPORT jobject JNICALL
142 JVM_InitProperties(JNIEnv *env, jobject p);
143
144 /*
145 * java.lang.Runtime
146 */
147
148 JNIEXPORT void JNICALL
149 JVM_Halt(jint code);
150
151 JNIEXPORT void JNICALL
152 JVM_GC(void);
153
154 /* Returns the number of real-time milliseconds that have elapsed since the
155 * least-recently-inspected heap object was last inspected by the garbage
156 * collector.
157 *
158 * For simple stop-the-world collectors this value is just the time
159 * since the most recent collection. For generational collectors it is the
160 * time since the oldest generation was most recently collected. Other
161 * collectors are free to return a pessimistic estimate of the elapsed time, or
162 * simply the time since the last full collection was performed.
163 *
164 * Note that in the presence of reference objects, a given object that is no
165 * longer strongly reachable may have to be inspected multiple times before it
166 * can be reclaimed.
167 */
168 JNIEXPORT jlong JNICALL
169 JVM_MaxObjectInspectionAge(void);
170
171 JNIEXPORT jlong JNICALL
172 JVM_TotalMemory(void);
173
174 JNIEXPORT jlong JNICALL
175 JVM_FreeMemory(void);
176
177 JNIEXPORT jlong JNICALL
178 JVM_MaxMemory(void);
179
180 JNIEXPORT jint JNICALL
181 JVM_ActiveProcessorCount(void);
182
183 JNIEXPORT void * JNICALL
184 JVM_LoadLibrary(const char *name);
185
186 JNIEXPORT void JNICALL
187 JVM_UnloadLibrary(void * handle);
188
189 JNIEXPORT void * JNICALL
190 JVM_FindLibraryEntry(void *handle, const char *name);
191
192 JNIEXPORT jboolean JNICALL
193 JVM_IsSupportedJNIVersion(jint version);
194
195 JNIEXPORT jobjectArray JNICALL
196 JVM_GetVmArguments(JNIEnv *env);
197
198 /*
199 * java.lang.Throwable
200 */
201 JNIEXPORT void JNICALL
202 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
203
204 JNIEXPORT void JNICALL
205 JVM_GetStackTraceElements(JNIEnv *env, jobject throwable, jobjectArray elements);
206
207 /*
208 * java.lang.StackWalker
209 */
210 enum {
211 JVM_STACKWALK_FILL_CLASS_REFS_ONLY = 0x2,
212 JVM_STACKWALK_SHOW_HIDDEN_FRAMES = 0x20,
213 JVM_STACKWALK_FILL_LIVE_STACK_FRAMES = 0x100
214 };
215
216 JNIEXPORT jobject JNICALL
217 JVM_CallStackWalk(JNIEnv *env, jobject stackStream, jlong mode,
218 jint skip_frames, jint frame_count, jint start_index,
219 jobjectArray frames);
220
221 JNIEXPORT jint JNICALL
222 JVM_MoreStackWalk(JNIEnv *env, jobject stackStream, jlong mode, jlong anchor,
223 jint frame_count, jint start_index,
224 jobjectArray frames);
225
226 JNIEXPORT void JNICALL
227 JVM_ToStackTraceElement(JNIEnv* env, jobject frame, jobject stackElement);
228
229 /*
230 * java.lang.Thread
231 */
232 JNIEXPORT void JNICALL
233 JVM_StartThread(JNIEnv *env, jobject thread);
234
235 JNIEXPORT void JNICALL
236 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
237
238 JNIEXPORT jboolean JNICALL
239 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
240
241 JNIEXPORT void JNICALL
242 JVM_SuspendThread(JNIEnv *env, jobject thread);
243
244 JNIEXPORT void JNICALL
245 JVM_ResumeThread(JNIEnv *env, jobject thread);
246
247 JNIEXPORT void JNICALL
248 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
249
250 JNIEXPORT void JNICALL
251 JVM_Yield(JNIEnv *env, jclass threadClass);
252
253 JNIEXPORT void JNICALL
254 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
255
256 JNIEXPORT jobject JNICALL
257 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
258
259 JNIEXPORT jint JNICALL
260 JVM_CountStackFrames(JNIEnv *env, jobject thread);
261
262 JNIEXPORT void JNICALL
263 JVM_Interrupt(JNIEnv *env, jobject thread);
264
265 JNIEXPORT jboolean JNICALL
266 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
267
268 JNIEXPORT jboolean JNICALL
269 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
270
271 JNIEXPORT void JNICALL
272 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
273
274 JNIEXPORT jobjectArray JNICALL
275 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
276
277 JNIEXPORT void JNICALL
278 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name, jboolean allowAttachedThread);
279
280 /* getStackTrace() and getAllStackTraces() method */
281 JNIEXPORT jobjectArray JNICALL
282 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
283
284 /*
285 * java.lang.SecurityManager
286 */
287 JNIEXPORT jclass JNICALL
288 JVM_CurrentLoadedClass(JNIEnv *env);
289
290 JNIEXPORT jobject JNICALL
291 JVM_CurrentClassLoader(JNIEnv *env);
292
293 JNIEXPORT jobjectArray JNICALL
294 JVM_GetClassContext(JNIEnv *env);
295
296 JNIEXPORT jint JNICALL
297 JVM_ClassDepth(JNIEnv *env, jstring name);
298
299 JNIEXPORT jint JNICALL
300 JVM_ClassLoaderDepth(JNIEnv *env);
301
302 /*
303 * java.lang.Package
304 */
305 JNIEXPORT jstring JNICALL
306 JVM_GetSystemPackage(JNIEnv *env, jstring name);
307
308 JNIEXPORT jobjectArray JNICALL
309 JVM_GetSystemPackages(JNIEnv *env);
310
311 /*
312 * java.io.ObjectInputStream
313 */
314 JNIEXPORT jobject JNICALL
315 JVM_LatestUserDefinedLoader(JNIEnv *env);
316
317 /*
318 * java.lang.reflect.Array
319 */
320 JNIEXPORT jint JNICALL
321 JVM_GetArrayLength(JNIEnv *env, jobject arr);
322
323 JNIEXPORT jobject JNICALL
324 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
325
326 JNIEXPORT jvalue JNICALL
327 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
328
329 JNIEXPORT void JNICALL
330 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
331
332 JNIEXPORT void JNICALL
333 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
334 unsigned char vCode);
335
336 JNIEXPORT jobject JNICALL
337 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
338
339 JNIEXPORT jobject JNICALL
340 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
341
342 /*
343 * java.lang.Class and java.lang.ClassLoader
344 */
345
346 #define JVM_CALLER_DEPTH -1
347
348 /*
349 * Returns the class in which the code invoking the native method
350 * belongs.
351 *
352 * Note that in JDK 1.1, native methods did not create a frame.
353 * In 1.2, they do. Therefore native methods like Class.forName
354 * can no longer look at the current frame for the caller class.
355 */
356 JNIEXPORT jclass JNICALL
357 JVM_GetCallerClass(JNIEnv *env, int n);
358
359 /*
360 * Find primitive classes
361 * utf: class name
362 */
363 JNIEXPORT jclass JNICALL
364 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
365
366 /*
367 * Find a class from a boot class loader. Returns NULL if class not found.
368 */
369 JNIEXPORT jclass JNICALL
370 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name);
371
372 /*
373 * Find a class from a given class loader. Throws ClassNotFoundException.
374 * name: name of class
375 * init: whether initialization is done
376 * loader: class loader to look up the class. This may not be the same as the caller's
377 * class loader.
378 * caller: initiating class. The initiating class may be null when a security
379 * manager is not installed.
380 */
381 JNIEXPORT jclass JNICALL
382 JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init,
383 jobject loader, jclass caller);
384
385 /*
386 * Find a class from a given class.
387 */
388 JNIEXPORT jclass JNICALL
389 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
390 jclass from);
391
392 /* Find a loaded class cached by the VM */
393 JNIEXPORT jclass JNICALL
394 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
395
396 /* Define a class */
397 JNIEXPORT jclass JNICALL
398 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
399 jsize len, jobject pd);
400
401 /* Define a class with a source (added in JDK1.5) */
402 JNIEXPORT jclass JNICALL
403 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
404 const jbyte *buf, jsize len, jobject pd,
405 const char *source);
406
407 /*
408 * Module support funcions
409 */
410
411 JNIEXPORT void JNICALL
412 JVM_DefineModule(JNIEnv *env, jobject module, jstring version, jstring location,
413 jobjectArray packages);
414
415 JNIEXPORT void JNICALL
416 JVM_SetBootLoaderUnnamedModule(JNIEnv *env, jobject module);
417
418 JNIEXPORT void JNICALL
419 JVM_AddModuleExports(JNIEnv *env, jobject from_module, jstring package, jobject to_module);
420
421 JNIEXPORT void JNICALL
422 JVM_AddModuleExportsToAllUnnamed(JNIEnv *env, jobject from_module, jstring package);
423
424 JNIEXPORT void JNICALL
425 JVM_AddModuleExportsToAll(JNIEnv *env, jobject from_module, jstring package);
426
427 JNIEXPORT void JNICALL
428 JVM_AddReadsModule(JNIEnv *env, jobject from_module, jobject source_module);
429
430 JNIEXPORT jboolean JNICALL
431 JVM_CanReadModule(JNIEnv *env, jobject asking_module, jobject source_module);
432
433 JNIEXPORT jboolean JNICALL
434 JVM_IsExportedToModule(JNIEnv *env, jobject from_module, jstring package, jobject to_module);
435
436 JNIEXPORT void JNICALL
437 JVM_AddModulePackage(JNIEnv* env, jobject module, jstring package);
438
439 JNIEXPORT jobject JNICALL
440 JVM_GetModuleByPackageName(JNIEnv* env, jobject loader, jstring package);
441
442 /*
443 * Reflection support functions
444 */
445
446 JNIEXPORT jstring JNICALL
447 JVM_GetClassName(JNIEnv *env, jclass cls);
448
449 JNIEXPORT jobjectArray JNICALL
450 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
451
452 JNIEXPORT jboolean JNICALL
453 JVM_IsInterface(JNIEnv *env, jclass cls);
454
455 JNIEXPORT jobjectArray JNICALL
456 JVM_GetClassSigners(JNIEnv *env, jclass cls);
457
458 JNIEXPORT void JNICALL
459 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
460
461 JNIEXPORT jobject JNICALL
462 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
463
464 JNIEXPORT jboolean JNICALL
465 JVM_IsArrayClass(JNIEnv *env, jclass cls);
466
467 JNIEXPORT jboolean JNICALL
468 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
469
470 JNIEXPORT jint JNICALL
471 JVM_GetClassModifiers(JNIEnv *env, jclass cls);
472
473 JNIEXPORT jobjectArray JNICALL
474 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass);
475
476 JNIEXPORT jclass JNICALL
477 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass);
478
479 JNIEXPORT jstring JNICALL
480 JVM_GetSimpleBinaryName(JNIEnv *env, jclass ofClass);
481
482 /* Generics support (JDK 1.5) */
483 JNIEXPORT jstring JNICALL
484 JVM_GetClassSignature(JNIEnv *env, jclass cls);
485
486 /* Annotations support (JDK 1.5) */
487 JNIEXPORT jbyteArray JNICALL
488 JVM_GetClassAnnotations(JNIEnv *env, jclass cls);
489
490 /* Annotations support (JDK 1.6) */
491
492 /* Type use annotations support (JDK 1.8) */
493
494 JNIEXPORT jbyteArray JNICALL
495 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls);
496
497 // field is a handle to a java.lang.reflect.Field object
498 JNIEXPORT jbyteArray JNICALL
499 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field);
500
501 // method is a handle to a java.lang.reflect.Method object
502 JNIEXPORT jbyteArray JNICALL
503 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method);
504
505 /*
506 * New (JDK 1.4) reflection implementation
507 */
508
509 JNIEXPORT jobjectArray JNICALL
510 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
511
512 JNIEXPORT jobjectArray JNICALL
513 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
514
515 JNIEXPORT jobjectArray JNICALL
516 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
517
518 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
519 This returns the access flags for the class as specified in the
520 class file rather than searching the InnerClasses attribute (if
521 present) to find the source-level access flags. Only the values of
522 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
523 valid. */
524 JNIEXPORT jint JNICALL
525 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
526
527 /*
528 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
529 */
530
531 JNIEXPORT jobject JNICALL
532 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
533
534 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
535 (JNIEnv *env, jobject obj, jobject unused);
536
537 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
538 (JNIEnv *env, jobject obj, jobject unused, jint index);
539
540 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
541 (JNIEnv *env, jobject obj, jobject unused, jint index);
542
543 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
544 (JNIEnv *env, jobject obj, jobject unused, jint index);
545
546 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
547 (JNIEnv *env, jobject obj, jobject unused, jint index);
548
549 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
550 (JNIEnv *env, jobject obj, jobject unused, jint index);
551
552 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
553 (JNIEnv *env, jobject obj, jobject unused, jint index);
554
555 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
556 (JNIEnv *env, jobject obj, jobject unused, jint index);
557
558 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetNameAndTypeRefInfoAt
559 (JNIEnv *env, jobject obj, jobject unused, jint index);
560
561 JNIEXPORT jint JNICALL JVM_ConstantPoolGetNameAndTypeRefIndexAt
562 (JNIEnv *env, jobject obj, jobject unused, jint index);
563
564 JNIEXPORT jint JNICALL JVM_ConstantPoolGetClassRefIndexAt
565 (JNIEnv *env, jobject obj, jobject unused, jint index);
566
567 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
568 (JNIEnv *env, jobject obj, jobject unused, jint index);
569
570 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
571 (JNIEnv *env, jobject obj, jobject unused, jint index);
572
573 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
574 (JNIEnv *env, jobject obj, jobject unused, jint index);
575
576 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
577 (JNIEnv *env, jobject obj, jobject unused, jint index);
578
579 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
580 (JNIEnv *env, jobject obj, jobject unused, jint index);
581
582 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
583 (JNIEnv *env, jobject obj, jobject unused, jint index);
584
585 JNIEXPORT jbyte JNICALL JVM_ConstantPoolGetTagAt
586 (JNIEnv *env, jobject unused, jobject jcpool, jint index);
587
588 /*
589 * java.security.*
590 */
591
592 JNIEXPORT jobject JNICALL
593 JVM_DoPrivileged(JNIEnv *env, jclass cls,
594 jobject action, jobject context, jboolean wrapException);
595
596 JNIEXPORT jobject JNICALL
597 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls);
598
599 JNIEXPORT jobject JNICALL
600 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls);
601
602 /*
603 * Signal support, used to implement the shutdown sequence. Every VM must
604 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts
605 * (^C) and the latter for external termination (kill, system shutdown, etc.).
606 * Other platform-dependent signal values may also be supported.
607 */
608
609 JNIEXPORT void * JNICALL
610 JVM_RegisterSignal(jint sig, void *handler);
611
612 JNIEXPORT jboolean JNICALL
613 JVM_RaiseSignal(jint sig);
614
615 JNIEXPORT jint JNICALL
616 JVM_FindSignal(const char *name);
617
618 /*
619 * Retrieve the assertion directives for the specified class.
620 */
621 JNIEXPORT jboolean JNICALL
622 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls);
623
624 /*
625 * Retrieve the assertion directives from the VM.
626 */
627 JNIEXPORT jobject JNICALL
628 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
629
630 /*
631 * java.util.concurrent.atomic.AtomicLong
632 */
633 JNIEXPORT jboolean JNICALL
634 JVM_SupportsCX8(void);
635
636 /*************************************************************************
637 PART 2: Support for the Verifier and Class File Format Checker
638 ************************************************************************/
639 /*
640 * Return the class name in UTF format. The result is valid
641 * until JVM_ReleaseUTf is called.
642 *
643 * The caller must treat the string as a constant and not modify it
644 * in any way.
645 */
646 JNIEXPORT const char * JNICALL
647 JVM_GetClassNameUTF(JNIEnv *env, jclass cb);
648
649 /*
650 * Returns the constant pool types in the buffer provided by "types."
651 */
652 JNIEXPORT void JNICALL
653 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
654
655 /*
656 * Returns the number of Constant Pool entries.
657 */
658 JNIEXPORT jint JNICALL
659 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
660
661 /*
662 * Returns the number of *declared* fields or methods.
663 */
664 JNIEXPORT jint JNICALL
665 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
666
667 JNIEXPORT jint JNICALL
668 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
669
670 /*
671 * Returns the CP indexes of exceptions raised by a given method.
672 * Places the result in the given buffer.
673 *
674 * The method is identified by method_index.
675 */
676 JNIEXPORT void JNICALL
677 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
678 unsigned short *exceptions);
679 /*
680 * Returns the number of exceptions raised by a given method.
681 * The method is identified by method_index.
682 */
683 JNIEXPORT jint JNICALL
684 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
685
686 /*
687 * Returns the byte code sequence 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_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
694 unsigned char *code);
695
696 /*
697 * Returns the length of the byte code sequence of a given method.
698 * The method is identified by method_index.
699 */
700 JNIEXPORT jint JNICALL
701 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
702
703 /*
704 * A structure used to a capture exception table entry in a Java method.
705 */
706 typedef struct {
707 jint start_pc;
708 jint end_pc;
709 jint handler_pc;
710 jint catchType;
711 } JVM_ExceptionTableEntryType;
712
713 /*
714 * Returns the exception table entry at entry_index of a given method.
715 * Places the result in the given buffer.
716 *
717 * The method is identified by method_index.
718 */
719 JNIEXPORT void JNICALL
720 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
721 jint entry_index,
722 JVM_ExceptionTableEntryType *entry);
723
724 /*
725 * Returns the length of the exception table of a given method.
726 * The method is identified by method_index.
727 */
728 JNIEXPORT jint JNICALL
729 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
730
731 /*
732 * Returns the modifiers of a given field.
733 * The field is identified by field_index.
734 */
735 JNIEXPORT jint JNICALL
736 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
737
738 /*
739 * Returns the modifiers of a given method.
740 * The method is identified by method_index.
741 */
742 JNIEXPORT jint JNICALL
743 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
744
745 /*
746 * Returns the number of local variables of a given method.
747 * The method is identified by method_index.
748 */
749 JNIEXPORT jint JNICALL
750 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
751
752 /*
753 * Returns the number of arguments (including this pointer) of a given method.
754 * The method is identified by method_index.
755 */
756 JNIEXPORT jint JNICALL
757 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
758
759 /*
760 * Returns the maximum amount of stack (in words) used by a given method.
761 * The method is identified by method_index.
762 */
763 JNIEXPORT jint JNICALL
764 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
765
766 /*
767 * Is a given method a constructor.
768 * The method is identified by method_index.
769 */
770 JNIEXPORT jboolean JNICALL
771 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
772
773 /*
774 * Is the given method generated by the VM.
775 * The method is identified by method_index.
776 */
777 JNIEXPORT jboolean JNICALL
778 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index);
779
780 /*
781 * Returns the name of a given method in UTF format.
782 * The result remains valid until JVM_ReleaseUTF is called.
783 *
784 * The caller must treat the string as a constant and not modify it
785 * in any way.
786 */
787 JNIEXPORT const char * JNICALL
788 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
789
790 /*
791 * Returns the signature of a given method in UTF format.
792 * The result remains valid until JVM_ReleaseUTF is called.
793 *
794 * The caller must treat the string as a constant and not modify it
795 * in any way.
796 */
797 JNIEXPORT const char * JNICALL
798 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
799
800 /*
801 * Returns the name of the field refered to at a given constant pool
802 * index.
803 *
804 * The result is in UTF format and remains valid until JVM_ReleaseUTF
805 * is called.
806 *
807 * The caller must treat the string as a constant and not modify it
808 * in any way.
809 */
810 JNIEXPORT const char * JNICALL
811 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
812
813 /*
814 * Returns the name of the method refered to at a given constant pool
815 * index.
816 *
817 * The result is in UTF format and remains valid until JVM_ReleaseUTF
818 * is called.
819 *
820 * The caller must treat the string as a constant and not modify it
821 * in any way.
822 */
823 JNIEXPORT const char * JNICALL
824 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
825
826 /*
827 * Returns the signature of the method refered to at a given constant pool
828 * index.
829 *
830 * The result is in UTF format and remains valid until JVM_ReleaseUTF
831 * is called.
832 *
833 * The caller must treat the string as a constant and not modify it
834 * in any way.
835 */
836 JNIEXPORT const char * JNICALL
837 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
838
839 /*
840 * Returns the signature of the field refered to at a given constant pool
841 * index.
842 *
843 * The result is in UTF format and remains valid until JVM_ReleaseUTF
844 * is called.
845 *
846 * The caller must treat the string as a constant and not modify it
847 * in any way.
848 */
849 JNIEXPORT const char * JNICALL
850 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
851
852 /*
853 * Returns the class name refered to at a given constant pool index.
854 *
855 * The result is in UTF format and remains valid until JVM_ReleaseUTF
856 * is called.
857 *
858 * The caller must treat the string as a constant and not modify it
859 * in any way.
860 */
861 JNIEXPORT const char * JNICALL
862 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
863
864 /*
865 * Returns the class name refered to at a given constant pool index.
866 *
867 * The constant pool entry must refer to a CONSTANT_Fieldref.
868 *
869 * The result is in UTF format and remains valid until JVM_ReleaseUTF
870 * is called.
871 *
872 * The caller must treat the string as a constant and not modify it
873 * in any way.
874 */
875 JNIEXPORT const char * JNICALL
876 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
877
878 /*
879 * Returns the class name refered to at a given constant pool index.
880 *
881 * The constant pool entry must refer to CONSTANT_Methodref or
882 * CONSTANT_InterfaceMethodref.
883 *
884 * The result is in UTF format and remains valid until JVM_ReleaseUTF
885 * is called.
886 *
887 * The caller must treat the string as a constant and not modify it
888 * in any way.
889 */
890 JNIEXPORT const char * JNICALL
891 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
892
893 /*
894 * Returns the modifiers of a field in calledClass. The field is
895 * referred to in class cb at constant pool entry index.
896 *
897 * The caller must treat the string as a constant and not modify it
898 * in any way.
899 *
900 * Returns -1 if the field does not exist in calledClass.
901 */
902 JNIEXPORT jint JNICALL
903 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
904
905 /*
906 * Returns the modifiers of a method in calledClass. The method is
907 * referred to in class cb at constant pool entry index.
908 *
909 * Returns -1 if the method does not exist in calledClass.
910 */
911 JNIEXPORT jint JNICALL
912 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
913
914 /*
915 * Releases the UTF string obtained from the VM.
916 */
917 JNIEXPORT void JNICALL
918 JVM_ReleaseUTF(const char *utf);
919
920 /*
921 * Compare if two classes are in the same package.
922 */
923 JNIEXPORT jboolean JNICALL
924 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
925
926 /* Constants in class files */
927
928 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */
929 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */
930 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */
931 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */
932 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */
933 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */
934 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */
935 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */
936 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */
937 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */
938 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */
939 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */
940 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */
941 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */
942 #define JVM_ACC_STRICT 0x0800 /* strict floating point */
943 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */
944 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */
945 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */
946 #define JVM_ACC_MODULE 0x8000 /* module-info class file */
947
948 #define JVM_ACC_PUBLIC_BIT 0
949 #define JVM_ACC_PRIVATE_BIT 1
950 #define JVM_ACC_PROTECTED_BIT 2
951 #define JVM_ACC_STATIC_BIT 3
952 #define JVM_ACC_FINAL_BIT 4
953 #define JVM_ACC_SYNCHRONIZED_BIT 5
954 #define JVM_ACC_SUPER_BIT 5
955 #define JVM_ACC_VOLATILE_BIT 6
956 #define JVM_ACC_BRIDGE_BIT 6
957 #define JVM_ACC_TRANSIENT_BIT 7
958 #define JVM_ACC_VARARGS_BIT 7
959 #define JVM_ACC_NATIVE_BIT 8
960 #define JVM_ACC_INTERFACE_BIT 9
961 #define JVM_ACC_ABSTRACT_BIT 10
962 #define JVM_ACC_STRICT_BIT 11
963 #define JVM_ACC_SYNTHETIC_BIT 12
964 #define JVM_ACC_ANNOTATION_BIT 13
965 #define JVM_ACC_ENUM_BIT 14
966
967 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
968 enum {
969 JVM_CONSTANT_Utf8 = 1,
970 JVM_CONSTANT_Unicode, /* unused */
971 JVM_CONSTANT_Integer,
972 JVM_CONSTANT_Float,
973 JVM_CONSTANT_Long,
974 JVM_CONSTANT_Double,
975 JVM_CONSTANT_Class,
976 JVM_CONSTANT_String,
977 JVM_CONSTANT_Fieldref,
978 JVM_CONSTANT_Methodref,
979 JVM_CONSTANT_InterfaceMethodref,
980 JVM_CONSTANT_NameAndType,
981 JVM_CONSTANT_MethodHandle = 15, // JSR 292
982 JVM_CONSTANT_MethodType = 16, // JSR 292
983 //JVM_CONSTANT_(unused) = 17, // JSR 292 early drafts only
984 JVM_CONSTANT_InvokeDynamic = 18, // JSR 292
985 JVM_CONSTANT_ExternalMax = 18 // Last tag found in classfiles
986 };
987
988 /* JVM_CONSTANT_MethodHandle subtypes */
989 enum {
990 JVM_REF_getField = 1,
991 JVM_REF_getStatic = 2,
992 JVM_REF_putField = 3,
993 JVM_REF_putStatic = 4,
994 JVM_REF_invokeVirtual = 5,
995 JVM_REF_invokeStatic = 6,
996 JVM_REF_invokeSpecial = 7,
997 JVM_REF_newInvokeSpecial = 8,
998 JVM_REF_invokeInterface = 9
999 };
1000
1001 /* Used in the newarray instruction. */
1002
1003 #define JVM_T_BOOLEAN 4
1004 #define JVM_T_CHAR 5
1005 #define JVM_T_FLOAT 6
1006 #define JVM_T_DOUBLE 7
1007 #define JVM_T_BYTE 8
1008 #define JVM_T_SHORT 9
1009 #define JVM_T_INT 10
1010 #define JVM_T_LONG 11
1011
1012 /* JVM method signatures */
1013
1014 #define JVM_SIGNATURE_ARRAY '['
1015 #define JVM_SIGNATURE_BYTE 'B'
1016 #define JVM_SIGNATURE_CHAR 'C'
1017 #define JVM_SIGNATURE_CLASS 'L'
1018 #define JVM_SIGNATURE_ENDCLASS ';'
1019 #define JVM_SIGNATURE_ENUM 'E'
1020 #define JVM_SIGNATURE_FLOAT 'F'
1021 #define JVM_SIGNATURE_DOUBLE 'D'
1022 #define JVM_SIGNATURE_FUNC '('
1023 #define JVM_SIGNATURE_ENDFUNC ')'
1024 #define JVM_SIGNATURE_INT 'I'
1025 #define JVM_SIGNATURE_LONG 'J'
1026 #define JVM_SIGNATURE_SHORT 'S'
1027 #define JVM_SIGNATURE_VOID 'V'
1028 #define JVM_SIGNATURE_BOOLEAN 'Z'
1029
1030 /*
1031 * A function defined by the byte-code verifier and called by the VM.
1032 * This is not a function implemented in the VM.
1033 *
1034 * Returns JNI_FALSE if verification fails. A detailed error message
1035 * will be places in msg_buf, whose length is specified by buf_len.
1036 */
1037 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
1038 jclass cb,
1039 char * msg_buf,
1040 jint buf_len);
1041
1042
1043 /*
1044 * Support for a VM-independent class format checker.
1045 */
1046 typedef struct {
1047 unsigned long code; /* byte code */
1048 unsigned long excs; /* exceptions */
1049 unsigned long etab; /* catch table */
1050 unsigned long lnum; /* line number */
1051 unsigned long lvar; /* local vars */
1052 } method_size_info;
1053
1054 typedef struct {
1055 unsigned int constants; /* constant pool */
1056 unsigned int fields;
1057 unsigned int methods;
1058 unsigned int interfaces;
1059 unsigned int fields2; /* number of static 2-word fields */
1060 unsigned int innerclasses; /* # of records in InnerClasses attr */
1061
1062 method_size_info clinit; /* memory used in clinit */
1063 method_size_info main; /* used everywhere else */
1064 } class_size_info;
1065
1066 /*
1067 * Functions defined in libjava.so to perform string conversions.
1068 *
1069 */
1070
1071 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1072
1073 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1074
1075 /* This is the function defined in libjava.so that performs class
1076 * format checks. This functions fills in size information about
1077 * the class file and returns:
1078 *
1079 * 0: good
1080 * -1: out of memory
1081 * -2: bad format
1082 * -3: unsupported version
1083 * -4: bad class name
1084 */
1085
1086 typedef jint (*check_format_fn_t)(char *class_name,
1087 unsigned char *data,
1088 unsigned int data_size,
1089 class_size_info *class_size,
1090 char *message_buffer,
1091 jint buffer_length,
1092 jboolean measure_only,
1093 jboolean check_relaxed);
1094
1095 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1096 JVM_ACC_FINAL | \
1097 JVM_ACC_SUPER | \
1098 JVM_ACC_INTERFACE | \
1099 JVM_ACC_ABSTRACT | \
1100 JVM_ACC_ANNOTATION | \
1101 JVM_ACC_ENUM | \
1102 JVM_ACC_SYNTHETIC)
1103
1104 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1105 JVM_ACC_PRIVATE | \
1106 JVM_ACC_PROTECTED | \
1107 JVM_ACC_STATIC | \
1108 JVM_ACC_FINAL | \
1109 JVM_ACC_VOLATILE | \
1110 JVM_ACC_TRANSIENT | \
1111 JVM_ACC_ENUM | \
1112 JVM_ACC_SYNTHETIC)
1113
1114 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1115 JVM_ACC_PRIVATE | \
1116 JVM_ACC_PROTECTED | \
1117 JVM_ACC_STATIC | \
1118 JVM_ACC_FINAL | \
1119 JVM_ACC_SYNCHRONIZED | \
1120 JVM_ACC_BRIDGE | \
1121 JVM_ACC_VARARGS | \
1122 JVM_ACC_NATIVE | \
1123 JVM_ACC_ABSTRACT | \
1124 JVM_ACC_STRICT | \
1125 JVM_ACC_SYNTHETIC)
1126
1127 /*
1128 * This is the function defined in libjava.so to perform path
1129 * canonicalization. VM call this function before opening jar files
1130 * to load system classes.
1131 *
1132 */
1133
1134 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1135
1136 /*************************************************************************
1137 PART 3: I/O and Network Support
1138 ************************************************************************/
1139
1140 /*
1141 * Convert a pathname into native format. This function does syntactic
1142 * cleanup, such as removing redundant separator characters. It modifies
1143 * the given pathname string in place.
1144 */
1145 JNIEXPORT char * JNICALL
1146 JVM_NativePath(char *);
1147
1148 /*
1149 * The standard printing functions supported by the Java VM. (Should they
1150 * be renamed to JVM_* in the future?
1151 */
1152
1153 /* jio_snprintf() and jio_vsnprintf() behave like snprintf(3) and vsnprintf(3),
1154 * respectively, with the following differences:
1155 * - The string written to str is always zero-terminated, also in case of
1156 * truncation (count is too small to hold the result string), unless count
1157 * is 0. In case of truncation count-1 characters are written and '\0'
1158 * appendend.
1159 * - If count is too small to hold the whole string, -1 is returned across
1160 * all platforms. */
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 unsigned int jvm_version; /* Encoded $VNUM as defined by JEP-223 */
1251 unsigned int patch_version : 8; /* JEP-223 patch version */
1252 unsigned int reserved3 : 8;
1253 unsigned int reserved1 : 16;
1254 unsigned int reserved2;
1255
1256 /* The following bits represents JVM supports that JDK has dependency on.
1257 * JDK can use these bits to determine which JVM version
1258 * and support it has to maintain runtime compatibility.
1259 *
1260 * When a new bit is added in a minor or update release, make sure
1261 * the new bit is also added in the main/baseline.
1262 */
1263 unsigned int is_attachable : 1;
1264 unsigned int : 31;
1265 unsigned int : 32;
1266 unsigned int : 32;
1267 } jvm_version_info;
1268
1269 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1270 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1271 #define JVM_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8)
1272 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1273
1274 JNIEXPORT void JNICALL
1275 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1276
1277 typedef struct {
1278 unsigned int jdk_version; /* Encoded $VNUM as defined by JEP-223 */
1279 unsigned int patch_version : 8; /* JEP-223 patch version */
1280 unsigned int reserved3 : 8;
1281 unsigned int reserved1 : 16;
1282 unsigned int reserved2;
1283
1284 /* The following bits represents new JDK supports that VM has dependency on.
1285 * VM implementation can use these bits to determine which JDK version
1286 * and support it has to maintain runtime compatibility.
1287 *
1288 * When a new bit is added in a minor or update release, make sure
1289 * the new bit is also added in the main/baseline.
1290 */
1291 unsigned int thread_park_blocker : 1;
1292 unsigned int post_vm_init_hook_enabled : 1;
1293 unsigned int pending_list_uses_discovered_field : 1;
1294 unsigned int : 29;
1295 unsigned int : 32;
1296 unsigned int : 32;
1297 } jdk_version_info;
1298
1299 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1300 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1301 #define JDK_VERSION_SECURITY(version) ((version & 0x0000FF00) >> 8)
1302 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1303
1304 /*
1305 * This is the function JDK_GetVersionInfo0 defined in libjava.so
1306 * that is dynamically looked up by JVM.
1307 */
1308 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1309
1310 /*
1311 * This structure is used by the launcher to get the default thread
1312 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1313 * version of 1.1. As it is not supported otherwise, it has been removed
1314 * from jni.h
1315 */
1316 typedef struct JDK1_1InitArgs {
1317 jint version;
1318
1319 char **properties;
1320 jint checkSource;
1321 jint nativeStackSize;
1322 jint javaStackSize;
1323 jint minHeapSize;
1324 jint maxHeapSize;
1325 jint verifyMode;
1326 char *classpath;
1327
1328 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1329 void (JNICALL *exit)(jint code);
1330 void (JNICALL *abort)(void);
1331
1332 jint enableClassGC;
1333 jint enableVerboseGC;
1334 jint disableAsyncGC;
1335 jint verbose;
1336 jboolean debugging;
1337 jint debugPort;
1338 } JDK1_1InitArgs;
1339
1340 #ifdef __cplusplus
1341 } /* extern "C" */
1342 #endif /* __cplusplus */
1343
1344 #endif /* !_JAVASOFT_JVM_H_ */
1345
1346 #endif // SHARE_VM_PRIMS_JVM_H
--- EOF ---