Print this page
rev 6864 : 8061651: Interface to the Lookup Index Cache to improve URLClassPath search time
Summary: Implemented the interface in sun.misc.URLClassPath and corresponding JVM_XXX APIs
Reviewed-by: mchung, acorn, jiangli, dholmes
Split |
Split |
Close |
Expand all |
Collapse all |
--- old/src/share/vm/prims/jvm.h
+++ new/src/share/vm/prims/jvm.h
1 1 /*
2 2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
3 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 4 *
5 5 * This code is free software; you can redistribute it and/or modify it
6 6 * under the terms of the GNU General Public License version 2 only, as
7 7 * published by the Free Software Foundation.
8 8 *
9 9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 12 * version 2 for more details (a copy is included in the LICENSE file that
13 13 * accompanied this code).
14 14 *
15 15 * You should have received a copy of the GNU General Public License version
16 16 * 2 along with this work; if not, write to the Free Software Foundation,
17 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 18 *
19 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 20 * or visit www.oracle.com if you need additional information or have any
21 21 * questions.
22 22 *
23 23 */
24 24
25 25 #ifndef SHARE_VM_PRIMS_JVM_H
26 26 #define SHARE_VM_PRIMS_JVM_H
27 27
28 28 #include "prims/jni.h"
29 29 #ifdef TARGET_OS_FAMILY_linux
30 30 # include "jvm_linux.h"
31 31 #endif
32 32 #ifdef TARGET_OS_FAMILY_solaris
33 33 # include "jvm_solaris.h"
34 34 #endif
35 35 #ifdef TARGET_OS_FAMILY_windows
36 36 # include "jvm_windows.h"
37 37 #endif
38 38 #ifdef TARGET_OS_FAMILY_aix
39 39 # include "jvm_aix.h"
40 40 #endif
41 41 #ifdef TARGET_OS_FAMILY_bsd
42 42 # include "jvm_bsd.h"
43 43 #endif
44 44
45 45 #ifndef _JAVASOFT_JVM_H_
46 46 #define _JAVASOFT_JVM_H_
47 47
48 48 // HotSpot integration note:
49 49 //
50 50 // This file and jvm.h used with the JDK are identical,
51 51 // except for the three includes removed below
52 52
53 53 // #include <sys/stat.h>
54 54 // #include "jni.h"
55 55 // #include "jvm_md.h"
56 56
57 57
58 58 #ifdef __cplusplus
59 59 extern "C" {
60 60 #endif
61 61
62 62 /*
63 63 * This file contains additional functions exported from the VM.
64 64 * These functions are complementary to the standard JNI support.
65 65 * There are three parts to this file:
66 66 *
67 67 * First, this file contains the VM-related functions needed by native
68 68 * libraries in the standard Java API. For example, the java.lang.Object
69 69 * class needs VM-level functions that wait for and notify monitors.
70 70 *
71 71 * Second, this file contains the functions and constant definitions
72 72 * needed by the byte code verifier and class file format checker.
73 73 * These functions allow the verifier and format checker to be written
74 74 * in a VM-independent way.
75 75 *
76 76 * Third, this file contains various I/O and nerwork operations needed
77 77 * by the standard Java I/O and network APIs.
78 78 */
79 79
80 80 /*
81 81 * Bump the version number when either of the following happens:
82 82 *
83 83 * 1. There is a change in JVM_* functions.
84 84 *
85 85 * 2. There is a change in the contract between VM and Java classes.
86 86 * For example, if the VM relies on a new private field in Thread
87 87 * class.
88 88 */
89 89
90 90 #define JVM_INTERFACE_VERSION 4
91 91
92 92 JNIEXPORT jobjectArray JNICALL
93 93 JVM_GetMethodParameters(JNIEnv *env, jobject method);
94 94
95 95 JNIEXPORT jint JNICALL
96 96 JVM_GetInterfaceVersion(void);
97 97
98 98 /*************************************************************************
99 99 PART 1: Functions for Native Libraries
100 100 ************************************************************************/
101 101 /*
102 102 * java.lang.Object
103 103 */
104 104 JNIEXPORT jint JNICALL
105 105 JVM_IHashCode(JNIEnv *env, jobject obj);
106 106
107 107 JNIEXPORT void JNICALL
108 108 JVM_MonitorWait(JNIEnv *env, jobject obj, jlong ms);
109 109
110 110 JNIEXPORT void JNICALL
111 111 JVM_MonitorNotify(JNIEnv *env, jobject obj);
112 112
113 113 JNIEXPORT void JNICALL
114 114 JVM_MonitorNotifyAll(JNIEnv *env, jobject obj);
115 115
116 116 JNIEXPORT jobject JNICALL
117 117 JVM_Clone(JNIEnv *env, jobject obj);
118 118
119 119 /*
120 120 * java.lang.String
121 121 */
122 122 JNIEXPORT jstring JNICALL
123 123 JVM_InternString(JNIEnv *env, jstring str);
124 124
125 125 /*
126 126 * java.lang.System
127 127 */
128 128 JNIEXPORT jlong JNICALL
129 129 JVM_CurrentTimeMillis(JNIEnv *env, jclass ignored);
130 130
131 131 JNIEXPORT jlong JNICALL
132 132 JVM_NanoTime(JNIEnv *env, jclass ignored);
133 133
134 134 JNIEXPORT void JNICALL
135 135 JVM_ArrayCopy(JNIEnv *env, jclass ignored, jobject src, jint src_pos,
136 136 jobject dst, jint dst_pos, jint length);
137 137
138 138 JNIEXPORT jobject JNICALL
139 139 JVM_InitProperties(JNIEnv *env, jobject p);
140 140
141 141 /*
142 142 * java.io.File
143 143 */
144 144 JNIEXPORT void JNICALL
145 145 JVM_OnExit(void (*func)(void));
146 146
147 147 /*
148 148 * java.lang.Runtime
149 149 */
150 150 JNIEXPORT void JNICALL
151 151 JVM_Exit(jint code);
152 152
153 153 JNIEXPORT void JNICALL
154 154 JVM_Halt(jint code);
155 155
156 156 JNIEXPORT void JNICALL
157 157 JVM_GC(void);
158 158
159 159 /* Returns the number of real-time milliseconds that have elapsed since the
160 160 * least-recently-inspected heap object was last inspected by the garbage
161 161 * collector.
162 162 *
163 163 * For simple stop-the-world collectors this value is just the time
164 164 * since the most recent collection. For generational collectors it is the
165 165 * time since the oldest generation was most recently collected. Other
166 166 * collectors are free to return a pessimistic estimate of the elapsed time, or
167 167 * simply the time since the last full collection was performed.
168 168 *
169 169 * Note that in the presence of reference objects, a given object that is no
170 170 * longer strongly reachable may have to be inspected multiple times before it
171 171 * can be reclaimed.
172 172 */
173 173 JNIEXPORT jlong JNICALL
174 174 JVM_MaxObjectInspectionAge(void);
175 175
176 176 JNIEXPORT void JNICALL
177 177 JVM_TraceInstructions(jboolean on);
178 178
179 179 JNIEXPORT void JNICALL
180 180 JVM_TraceMethodCalls(jboolean on);
181 181
182 182 JNIEXPORT jlong JNICALL
183 183 JVM_TotalMemory(void);
184 184
185 185 JNIEXPORT jlong JNICALL
186 186 JVM_FreeMemory(void);
187 187
188 188 JNIEXPORT jlong JNICALL
189 189 JVM_MaxMemory(void);
190 190
191 191 JNIEXPORT jint JNICALL
192 192 JVM_ActiveProcessorCount(void);
193 193
194 194 JNIEXPORT void * JNICALL
195 195 JVM_LoadLibrary(const char *name);
196 196
197 197 JNIEXPORT void JNICALL
198 198 JVM_UnloadLibrary(void * handle);
199 199
200 200 JNIEXPORT void * JNICALL
201 201 JVM_FindLibraryEntry(void *handle, const char *name);
202 202
203 203 JNIEXPORT jboolean JNICALL
204 204 JVM_IsSupportedJNIVersion(jint version);
205 205
206 206 /*
207 207 * java.lang.Float and java.lang.Double
208 208 */
209 209 JNIEXPORT jboolean JNICALL
210 210 JVM_IsNaN(jdouble d);
211 211
212 212 /*
213 213 * java.lang.Throwable
214 214 */
215 215 JNIEXPORT void JNICALL
216 216 JVM_FillInStackTrace(JNIEnv *env, jobject throwable);
217 217
218 218 JNIEXPORT jint JNICALL
219 219 JVM_GetStackTraceDepth(JNIEnv *env, jobject throwable);
220 220
221 221 JNIEXPORT jobject JNICALL
222 222 JVM_GetStackTraceElement(JNIEnv *env, jobject throwable, jint index);
223 223
224 224 /*
225 225 * java.lang.Compiler
226 226 */
227 227 JNIEXPORT void JNICALL
228 228 JVM_InitializeCompiler (JNIEnv *env, jclass compCls);
229 229
230 230 JNIEXPORT jboolean JNICALL
231 231 JVM_IsSilentCompiler(JNIEnv *env, jclass compCls);
232 232
233 233 JNIEXPORT jboolean JNICALL
234 234 JVM_CompileClass(JNIEnv *env, jclass compCls, jclass cls);
235 235
236 236 JNIEXPORT jboolean JNICALL
237 237 JVM_CompileClasses(JNIEnv *env, jclass cls, jstring jname);
238 238
239 239 JNIEXPORT jobject JNICALL
240 240 JVM_CompilerCommand(JNIEnv *env, jclass compCls, jobject arg);
241 241
242 242 JNIEXPORT void JNICALL
243 243 JVM_EnableCompiler(JNIEnv *env, jclass compCls);
244 244
245 245 JNIEXPORT void JNICALL
246 246 JVM_DisableCompiler(JNIEnv *env, jclass compCls);
247 247
248 248 /*
249 249 * java.lang.Thread
250 250 */
251 251 JNIEXPORT void JNICALL
252 252 JVM_StartThread(JNIEnv *env, jobject thread);
253 253
254 254 JNIEXPORT void JNICALL
255 255 JVM_StopThread(JNIEnv *env, jobject thread, jobject exception);
256 256
257 257 JNIEXPORT jboolean JNICALL
258 258 JVM_IsThreadAlive(JNIEnv *env, jobject thread);
259 259
260 260 JNIEXPORT void JNICALL
261 261 JVM_SuspendThread(JNIEnv *env, jobject thread);
262 262
263 263 JNIEXPORT void JNICALL
264 264 JVM_ResumeThread(JNIEnv *env, jobject thread);
265 265
266 266 JNIEXPORT void JNICALL
267 267 JVM_SetThreadPriority(JNIEnv *env, jobject thread, jint prio);
268 268
269 269 JNIEXPORT void JNICALL
270 270 JVM_Yield(JNIEnv *env, jclass threadClass);
271 271
272 272 JNIEXPORT void JNICALL
273 273 JVM_Sleep(JNIEnv *env, jclass threadClass, jlong millis);
274 274
275 275 JNIEXPORT jobject JNICALL
276 276 JVM_CurrentThread(JNIEnv *env, jclass threadClass);
277 277
278 278 JNIEXPORT jint JNICALL
279 279 JVM_CountStackFrames(JNIEnv *env, jobject thread);
280 280
281 281 JNIEXPORT void JNICALL
282 282 JVM_Interrupt(JNIEnv *env, jobject thread);
283 283
284 284 JNIEXPORT jboolean JNICALL
285 285 JVM_IsInterrupted(JNIEnv *env, jobject thread, jboolean clearInterrupted);
286 286
287 287 JNIEXPORT jboolean JNICALL
288 288 JVM_HoldsLock(JNIEnv *env, jclass threadClass, jobject obj);
289 289
290 290 JNIEXPORT void JNICALL
291 291 JVM_DumpAllStacks(JNIEnv *env, jclass unused);
292 292
293 293 JNIEXPORT jobjectArray JNICALL
294 294 JVM_GetAllThreads(JNIEnv *env, jclass dummy);
295 295
296 296 JNIEXPORT void JNICALL
297 297 JVM_SetNativeThreadName(JNIEnv *env, jobject jthread, jstring name);
298 298
299 299 /* getStackTrace() and getAllStackTraces() method */
300 300 JNIEXPORT jobjectArray JNICALL
301 301 JVM_DumpThreads(JNIEnv *env, jclass threadClass, jobjectArray threads);
302 302
303 303 /*
304 304 * java.lang.SecurityManager
305 305 */
306 306 JNIEXPORT jclass JNICALL
307 307 JVM_CurrentLoadedClass(JNIEnv *env);
308 308
309 309 JNIEXPORT jobject JNICALL
310 310 JVM_CurrentClassLoader(JNIEnv *env);
311 311
312 312 JNIEXPORT jobjectArray JNICALL
313 313 JVM_GetClassContext(JNIEnv *env);
314 314
315 315 JNIEXPORT jint JNICALL
316 316 JVM_ClassDepth(JNIEnv *env, jstring name);
317 317
318 318 JNIEXPORT jint JNICALL
319 319 JVM_ClassLoaderDepth(JNIEnv *env);
320 320
321 321 /*
322 322 * java.lang.Package
323 323 */
324 324 JNIEXPORT jstring JNICALL
325 325 JVM_GetSystemPackage(JNIEnv *env, jstring name);
326 326
327 327 JNIEXPORT jobjectArray JNICALL
328 328 JVM_GetSystemPackages(JNIEnv *env);
329 329
330 330 /*
331 331 * java.io.ObjectInputStream
332 332 */
333 333 JNIEXPORT jobject JNICALL
334 334 JVM_AllocateNewObject(JNIEnv *env, jobject obj, jclass currClass,
335 335 jclass initClass);
336 336
337 337 JNIEXPORT jobject JNICALL
338 338 JVM_AllocateNewArray(JNIEnv *env, jobject obj, jclass currClass,
339 339 jint length);
340 340
341 341 JNIEXPORT jobject JNICALL
342 342 JVM_LatestUserDefinedLoader(JNIEnv *env);
343 343
344 344 /*
345 345 * This function has been deprecated and should not be considered
346 346 * part of the specified JVM interface.
347 347 */
348 348 JNIEXPORT jclass JNICALL
349 349 JVM_LoadClass0(JNIEnv *env, jobject obj, jclass currClass,
350 350 jstring currClassName);
351 351
352 352 /*
353 353 * java.lang.reflect.Array
354 354 */
355 355 JNIEXPORT jint JNICALL
356 356 JVM_GetArrayLength(JNIEnv *env, jobject arr);
357 357
358 358 JNIEXPORT jobject JNICALL
359 359 JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index);
360 360
361 361 JNIEXPORT jvalue JNICALL
362 362 JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jint wCode);
363 363
364 364 JNIEXPORT void JNICALL
365 365 JVM_SetArrayElement(JNIEnv *env, jobject arr, jint index, jobject val);
366 366
367 367 JNIEXPORT void JNICALL
368 368 JVM_SetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index, jvalue v,
369 369 unsigned char vCode);
370 370
371 371 JNIEXPORT jobject JNICALL
372 372 JVM_NewArray(JNIEnv *env, jclass eltClass, jint length);
373 373
374 374 JNIEXPORT jobject JNICALL
375 375 JVM_NewMultiArray(JNIEnv *env, jclass eltClass, jintArray dim);
376 376
377 377 /*
378 378 * java.lang.Class and java.lang.ClassLoader
379 379 */
380 380
381 381 #define JVM_CALLER_DEPTH -1
382 382
383 383 /*
384 384 * Returns the class in which the code invoking the native method
385 385 * belongs.
386 386 *
387 387 * Note that in JDK 1.1, native methods did not create a frame.
388 388 * In 1.2, they do. Therefore native methods like Class.forName
389 389 * can no longer look at the current frame for the caller class.
390 390 */
391 391 JNIEXPORT jclass JNICALL
392 392 JVM_GetCallerClass(JNIEnv *env, int n);
393 393
394 394 /*
395 395 * Find primitive classes
396 396 * utf: class name
397 397 */
398 398 JNIEXPORT jclass JNICALL
399 399 JVM_FindPrimitiveClass(JNIEnv *env, const char *utf);
400 400
401 401 /*
402 402 * Link the class
403 403 */
404 404 JNIEXPORT void JNICALL
405 405 JVM_ResolveClass(JNIEnv *env, jclass cls);
406 406
407 407 /*
408 408 * Find a class from a given class loader. Throw ClassNotFoundException
409 409 * or NoClassDefFoundError depending on the value of the last
410 410 * argument.
411 411 */
412 412 JNIEXPORT jclass JNICALL
413 413 JVM_FindClassFromClassLoader(JNIEnv *env, const char *name, jboolean init,
414 414 jobject loader, jboolean throwError);
415 415
416 416 /*
417 417 * Find a class from a boot class loader. Returns NULL if class not found.
418 418 */
419 419 JNIEXPORT jclass JNICALL
420 420 JVM_FindClassFromBootLoader(JNIEnv *env, const char *name);
421 421
422 422 /*
423 423 * Find a class from a given class loader. Throws ClassNotFoundException.
424 424 * name: name of class
425 425 * init: whether initialization is done
426 426 * loader: class loader to look up the class. This may not be the same as the caller's
427 427 * class loader.
428 428 * caller: initiating class. The initiating class may be null when a security
429 429 * manager is not installed.
430 430 */
431 431 JNIEXPORT jclass JNICALL
432 432 JVM_FindClassFromCaller(JNIEnv *env, const char *name, jboolean init,
433 433 jobject loader, jclass caller);
434 434
435 435 /*
436 436 * Find a class from a given class.
437 437 */
438 438 JNIEXPORT jclass JNICALL
439 439 JVM_FindClassFromClass(JNIEnv *env, const char *name, jboolean init,
440 440 jclass from);
441 441
442 442 /* Find a loaded class cached by the VM */
443 443 JNIEXPORT jclass JNICALL
444 444 JVM_FindLoadedClass(JNIEnv *env, jobject loader, jstring name);
445 445
446 446 /* Define a class */
447 447 JNIEXPORT jclass JNICALL
448 448 JVM_DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf,
449 449 jsize len, jobject pd);
450 450
451 451 /* Define a class with a source (added in JDK1.5) */
452 452 JNIEXPORT jclass JNICALL
453 453 JVM_DefineClassWithSource(JNIEnv *env, const char *name, jobject loader,
454 454 const jbyte *buf, jsize len, jobject pd,
455 455 const char *source);
456 456
457 457 /* Define a class with a source with conditional verification (added HSX 14)
458 458 * -Xverify:all will verify anyway, -Xverify:none will not verify,
459 459 * -Xverify:remote (default) will obey this conditional
460 460 * i.e. true = should_verify_class
461 461 */
462 462 JNIEXPORT jclass JNICALL
463 463 JVM_DefineClassWithSourceCond(JNIEnv *env, const char *name,
464 464 jobject loader, const jbyte *buf,
465 465 jsize len, jobject pd, const char *source,
466 466 jboolean verify);
467 467
468 468 /*
469 469 * Reflection support functions
470 470 */
471 471
472 472 JNIEXPORT jstring JNICALL
473 473 JVM_GetClassName(JNIEnv *env, jclass cls);
474 474
475 475 JNIEXPORT jobjectArray JNICALL
476 476 JVM_GetClassInterfaces(JNIEnv *env, jclass cls);
477 477
478 478 JNIEXPORT jobject JNICALL
479 479 JVM_GetClassLoader(JNIEnv *env, jclass cls);
480 480
481 481 JNIEXPORT jboolean JNICALL
482 482 JVM_IsInterface(JNIEnv *env, jclass cls);
483 483
484 484 JNIEXPORT jobjectArray JNICALL
485 485 JVM_GetClassSigners(JNIEnv *env, jclass cls);
486 486
487 487 JNIEXPORT void JNICALL
488 488 JVM_SetClassSigners(JNIEnv *env, jclass cls, jobjectArray signers);
489 489
490 490 JNIEXPORT jobject JNICALL
491 491 JVM_GetProtectionDomain(JNIEnv *env, jclass cls);
492 492
493 493 JNIEXPORT jboolean JNICALL
494 494 JVM_IsArrayClass(JNIEnv *env, jclass cls);
495 495
496 496 JNIEXPORT jboolean JNICALL
497 497 JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
498 498
499 499 JNIEXPORT jclass JNICALL
500 500 JVM_GetComponentType(JNIEnv *env, jclass cls);
501 501
502 502 JNIEXPORT jint JNICALL
503 503 JVM_GetClassModifiers(JNIEnv *env, jclass cls);
504 504
505 505 JNIEXPORT jobjectArray JNICALL
506 506 JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass);
507 507
508 508 JNIEXPORT jclass JNICALL
509 509 JVM_GetDeclaringClass(JNIEnv *env, jclass ofClass);
510 510
511 511 /* Generics support (JDK 1.5) */
512 512 JNIEXPORT jstring JNICALL
513 513 JVM_GetClassSignature(JNIEnv *env, jclass cls);
514 514
515 515 /* Annotations support (JDK 1.5) */
516 516 JNIEXPORT jbyteArray JNICALL
517 517 JVM_GetClassAnnotations(JNIEnv *env, jclass cls);
518 518
519 519 /* Annotations support (JDK 1.6) */
520 520
521 521 // field is a handle to a java.lang.reflect.Field object
522 522 JNIEXPORT jbyteArray JNICALL
523 523 JVM_GetFieldAnnotations(JNIEnv *env, jobject field);
524 524
525 525 // method is a handle to a java.lang.reflect.Method object
526 526 JNIEXPORT jbyteArray JNICALL
527 527 JVM_GetMethodAnnotations(JNIEnv *env, jobject method);
528 528
529 529 // method is a handle to a java.lang.reflect.Method object
530 530 JNIEXPORT jbyteArray JNICALL
531 531 JVM_GetMethodDefaultAnnotationValue(JNIEnv *env, jobject method);
532 532
533 533 // method is a handle to a java.lang.reflect.Method object
534 534 JNIEXPORT jbyteArray JNICALL
535 535 JVM_GetMethodParameterAnnotations(JNIEnv *env, jobject method);
536 536
537 537 /* Type use annotations support (JDK 1.8) */
538 538
539 539 JNIEXPORT jbyteArray JNICALL
540 540 JVM_GetClassTypeAnnotations(JNIEnv *env, jclass cls);
541 541
542 542 // field is a handle to a java.lang.reflect.Field object
543 543 JNIEXPORT jbyteArray JNICALL
544 544 JVM_GetFieldTypeAnnotations(JNIEnv *env, jobject field);
545 545
546 546 // method is a handle to a java.lang.reflect.Method object
547 547 JNIEXPORT jbyteArray JNICALL
548 548 JVM_GetMethodTypeAnnotations(JNIEnv *env, jobject method);
549 549
550 550 /*
551 551 * New (JDK 1.4) reflection implementation
552 552 */
553 553
554 554 JNIEXPORT jobjectArray JNICALL
555 555 JVM_GetClassDeclaredMethods(JNIEnv *env, jclass ofClass, jboolean publicOnly);
556 556
557 557 JNIEXPORT jobjectArray JNICALL
558 558 JVM_GetClassDeclaredFields(JNIEnv *env, jclass ofClass, jboolean publicOnly);
559 559
560 560 JNIEXPORT jobjectArray JNICALL
561 561 JVM_GetClassDeclaredConstructors(JNIEnv *env, jclass ofClass, jboolean publicOnly);
562 562
563 563 /* Differs from JVM_GetClassModifiers in treatment of inner classes.
564 564 This returns the access flags for the class as specified in the
565 565 class file rather than searching the InnerClasses attribute (if
566 566 present) to find the source-level access flags. Only the values of
567 567 the low 13 bits (i.e., a mask of 0x1FFF) are guaranteed to be
568 568 valid. */
569 569 JNIEXPORT jint JNICALL
570 570 JVM_GetClassAccessFlags(JNIEnv *env, jclass cls);
571 571
572 572 /*
573 573 * Constant pool access; currently used to implement reflective access to annotations (JDK 1.5)
574 574 */
575 575
576 576 JNIEXPORT jobject JNICALL
577 577 JVM_GetClassConstantPool(JNIEnv *env, jclass cls);
578 578
579 579 JNIEXPORT jint JNICALL JVM_ConstantPoolGetSize
580 580 (JNIEnv *env, jobject obj, jobject unused);
581 581
582 582 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAt
583 583 (JNIEnv *env, jobject obj, jobject unused, jint index);
584 584
585 585 JNIEXPORT jclass JNICALL JVM_ConstantPoolGetClassAtIfLoaded
586 586 (JNIEnv *env, jobject obj, jobject unused, jint index);
587 587
588 588 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAt
589 589 (JNIEnv *env, jobject obj, jobject unused, jint index);
590 590
591 591 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetMethodAtIfLoaded
592 592 (JNIEnv *env, jobject obj, jobject unused, jint index);
593 593
594 594 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAt
595 595 (JNIEnv *env, jobject obj, jobject unused, jint index);
596 596
597 597 JNIEXPORT jobject JNICALL JVM_ConstantPoolGetFieldAtIfLoaded
598 598 (JNIEnv *env, jobject obj, jobject unused, jint index);
599 599
600 600 JNIEXPORT jobjectArray JNICALL JVM_ConstantPoolGetMemberRefInfoAt
601 601 (JNIEnv *env, jobject obj, jobject unused, jint index);
602 602
603 603 JNIEXPORT jint JNICALL JVM_ConstantPoolGetIntAt
604 604 (JNIEnv *env, jobject obj, jobject unused, jint index);
605 605
606 606 JNIEXPORT jlong JNICALL JVM_ConstantPoolGetLongAt
607 607 (JNIEnv *env, jobject obj, jobject unused, jint index);
608 608
609 609 JNIEXPORT jfloat JNICALL JVM_ConstantPoolGetFloatAt
610 610 (JNIEnv *env, jobject obj, jobject unused, jint index);
611 611
612 612 JNIEXPORT jdouble JNICALL JVM_ConstantPoolGetDoubleAt
613 613 (JNIEnv *env, jobject obj, jobject unused, jint index);
614 614
615 615 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetStringAt
616 616 (JNIEnv *env, jobject obj, jobject unused, jint index);
617 617
618 618 JNIEXPORT jstring JNICALL JVM_ConstantPoolGetUTF8At
619 619 (JNIEnv *env, jobject obj, jobject unused, jint index);
620 620
621 621 /*
622 622 * java.security.*
623 623 */
624 624
625 625 JNIEXPORT jobject JNICALL
626 626 JVM_DoPrivileged(JNIEnv *env, jclass cls,
627 627 jobject action, jobject context, jboolean wrapException);
628 628
629 629 JNIEXPORT jobject JNICALL
630 630 JVM_GetInheritedAccessControlContext(JNIEnv *env, jclass cls);
631 631
632 632 JNIEXPORT jobject JNICALL
633 633 JVM_GetStackAccessControlContext(JNIEnv *env, jclass cls);
634 634
635 635 /*
636 636 * Signal support, used to implement the shutdown sequence. Every VM must
637 637 * support JVM_SIGINT and JVM_SIGTERM, raising the former for user interrupts
638 638 * (^C) and the latter for external termination (kill, system shutdown, etc.).
639 639 * Other platform-dependent signal values may also be supported.
640 640 */
641 641
642 642 JNIEXPORT void * JNICALL
643 643 JVM_RegisterSignal(jint sig, void *handler);
644 644
645 645 JNIEXPORT jboolean JNICALL
646 646 JVM_RaiseSignal(jint sig);
647 647
648 648 JNIEXPORT jint JNICALL
649 649 JVM_FindSignal(const char *name);
650 650
651 651 /*
652 652 * Retrieve the assertion directives for the specified class.
653 653 */
654 654 JNIEXPORT jboolean JNICALL
655 655 JVM_DesiredAssertionStatus(JNIEnv *env, jclass unused, jclass cls);
656 656
657 657 /*
658 658 * Retrieve the assertion directives from the VM.
659 659 */
660 660 JNIEXPORT jobject JNICALL
661 661 JVM_AssertionStatusDirectives(JNIEnv *env, jclass unused);
662 662
663 663 /*
664 664 * java.util.concurrent.atomic.AtomicLong
665 665 */
666 666 JNIEXPORT jboolean JNICALL
667 667 JVM_SupportsCX8(void);
668 668
669 669 JNIEXPORT jboolean JNICALL
670 670 JVM_CX8Field(JNIEnv *env, jobject obj, jfieldID fldID, jlong oldVal, jlong newVal);
671 671
672 672 /*
673 673 * com.sun.dtrace.jsdt support
674 674 */
675 675
676 676 #define JVM_TRACING_DTRACE_VERSION 1
677 677
678 678 /*
679 679 * Structure to pass one probe description to JVM.
680 680 *
681 681 * The VM will overwrite the definition of the referenced method with
682 682 * code that will fire the probe.
683 683 */
684 684 typedef struct {
685 685 jmethodID method;
686 686 jstring function;
687 687 jstring name;
688 688 void* reserved[4]; // for future use
689 689 } JVM_DTraceProbe;
690 690
691 691 /**
692 692 * Encapsulates the stability ratings for a DTrace provider field
693 693 */
694 694 typedef struct {
695 695 jint nameStability;
696 696 jint dataStability;
697 697 jint dependencyClass;
698 698 } JVM_DTraceInterfaceAttributes;
699 699
700 700 /*
701 701 * Structure to pass one provider description to JVM
702 702 */
703 703 typedef struct {
704 704 jstring name;
705 705 JVM_DTraceProbe* probes;
706 706 jint probe_count;
707 707 JVM_DTraceInterfaceAttributes providerAttributes;
708 708 JVM_DTraceInterfaceAttributes moduleAttributes;
709 709 JVM_DTraceInterfaceAttributes functionAttributes;
710 710 JVM_DTraceInterfaceAttributes nameAttributes;
711 711 JVM_DTraceInterfaceAttributes argsAttributes;
712 712 void* reserved[4]; // for future use
713 713 } JVM_DTraceProvider;
714 714
715 715 /*
716 716 * Get the version number the JVM was built with
717 717 */
718 718 JNIEXPORT jint JNICALL
719 719 JVM_DTraceGetVersion(JNIEnv* env);
720 720
721 721 /*
722 722 * Register new probe with given signature, return global handle
723 723 *
724 724 * The version passed in is the version that the library code was
725 725 * built with.
726 726 */
727 727 JNIEXPORT jlong JNICALL
728 728 JVM_DTraceActivate(JNIEnv* env, jint version, jstring module_name,
729 729 jint providers_count, JVM_DTraceProvider* providers);
730 730
731 731 /*
732 732 * Check JSDT probe
733 733 */
734 734 JNIEXPORT jboolean JNICALL
735 735 JVM_DTraceIsProbeEnabled(JNIEnv* env, jmethodID method);
736 736
737 737 /*
738 738 * Destroy custom DOF
739 739 */
740 740 JNIEXPORT void JNICALL
741 741 JVM_DTraceDispose(JNIEnv* env, jlong handle);
742 742
743 743 /*
744 744 * Check to see if DTrace is supported by OS
745 745 */
746 746 JNIEXPORT jboolean JNICALL
747 747 JVM_DTraceIsSupported(JNIEnv* env);
748 748
749 749 /*************************************************************************
750 750 PART 2: Support for the Verifier and Class File Format Checker
751 751 ************************************************************************/
752 752 /*
753 753 * Return the class name in UTF format. The result is valid
754 754 * until JVM_ReleaseUTf is called.
755 755 *
756 756 * The caller must treat the string as a constant and not modify it
757 757 * in any way.
758 758 */
759 759 JNIEXPORT const char * JNICALL
760 760 JVM_GetClassNameUTF(JNIEnv *env, jclass cb);
761 761
762 762 /*
763 763 * Returns the constant pool types in the buffer provided by "types."
764 764 */
765 765 JNIEXPORT void JNICALL
766 766 JVM_GetClassCPTypes(JNIEnv *env, jclass cb, unsigned char *types);
767 767
768 768 /*
769 769 * Returns the number of Constant Pool entries.
770 770 */
771 771 JNIEXPORT jint JNICALL
772 772 JVM_GetClassCPEntriesCount(JNIEnv *env, jclass cb);
773 773
774 774 /*
775 775 * Returns the number of *declared* fields or methods.
776 776 */
777 777 JNIEXPORT jint JNICALL
778 778 JVM_GetClassFieldsCount(JNIEnv *env, jclass cb);
779 779
780 780 JNIEXPORT jint JNICALL
781 781 JVM_GetClassMethodsCount(JNIEnv *env, jclass cb);
782 782
783 783 /*
784 784 * Returns the CP indexes of exceptions raised by a given method.
785 785 * Places the result in the given buffer.
786 786 *
787 787 * The method is identified by method_index.
788 788 */
789 789 JNIEXPORT void JNICALL
790 790 JVM_GetMethodIxExceptionIndexes(JNIEnv *env, jclass cb, jint method_index,
791 791 unsigned short *exceptions);
792 792 /*
793 793 * Returns the number of exceptions raised by a given method.
794 794 * The method is identified by method_index.
795 795 */
796 796 JNIEXPORT jint JNICALL
797 797 JVM_GetMethodIxExceptionsCount(JNIEnv *env, jclass cb, jint method_index);
798 798
799 799 /*
800 800 * Returns the byte code sequence of a given method.
801 801 * Places the result in the given buffer.
802 802 *
803 803 * The method is identified by method_index.
804 804 */
805 805 JNIEXPORT void JNICALL
806 806 JVM_GetMethodIxByteCode(JNIEnv *env, jclass cb, jint method_index,
807 807 unsigned char *code);
808 808
809 809 /*
810 810 * Returns the length of the byte code sequence of a given method.
811 811 * The method is identified by method_index.
812 812 */
813 813 JNIEXPORT jint JNICALL
814 814 JVM_GetMethodIxByteCodeLength(JNIEnv *env, jclass cb, jint method_index);
815 815
816 816 /*
817 817 * A structure used to a capture exception table entry in a Java method.
818 818 */
819 819 typedef struct {
820 820 jint start_pc;
821 821 jint end_pc;
822 822 jint handler_pc;
823 823 jint catchType;
824 824 } JVM_ExceptionTableEntryType;
825 825
826 826 /*
827 827 * Returns the exception table entry at entry_index of a given method.
828 828 * Places the result in the given buffer.
829 829 *
830 830 * The method is identified by method_index.
831 831 */
832 832 JNIEXPORT void JNICALL
833 833 JVM_GetMethodIxExceptionTableEntry(JNIEnv *env, jclass cb, jint method_index,
834 834 jint entry_index,
835 835 JVM_ExceptionTableEntryType *entry);
836 836
837 837 /*
838 838 * Returns the length of the exception table of a given method.
839 839 * The method is identified by method_index.
840 840 */
841 841 JNIEXPORT jint JNICALL
842 842 JVM_GetMethodIxExceptionTableLength(JNIEnv *env, jclass cb, int index);
843 843
844 844 /*
845 845 * Returns the modifiers of a given field.
846 846 * The field is identified by field_index.
847 847 */
848 848 JNIEXPORT jint JNICALL
849 849 JVM_GetFieldIxModifiers(JNIEnv *env, jclass cb, int index);
850 850
851 851 /*
852 852 * Returns the modifiers of a given method.
853 853 * The method is identified by method_index.
854 854 */
855 855 JNIEXPORT jint JNICALL
856 856 JVM_GetMethodIxModifiers(JNIEnv *env, jclass cb, int index);
857 857
858 858 /*
859 859 * Returns the number of local variables of a given method.
860 860 * The method is identified by method_index.
861 861 */
862 862 JNIEXPORT jint JNICALL
863 863 JVM_GetMethodIxLocalsCount(JNIEnv *env, jclass cb, int index);
864 864
865 865 /*
866 866 * Returns the number of arguments (including this pointer) of a given method.
867 867 * The method is identified by method_index.
868 868 */
869 869 JNIEXPORT jint JNICALL
870 870 JVM_GetMethodIxArgsSize(JNIEnv *env, jclass cb, int index);
871 871
872 872 /*
873 873 * Returns the maximum amount of stack (in words) used by a given method.
874 874 * The method is identified by method_index.
875 875 */
876 876 JNIEXPORT jint JNICALL
877 877 JVM_GetMethodIxMaxStack(JNIEnv *env, jclass cb, int index);
878 878
879 879 /*
880 880 * Is a given method a constructor.
881 881 * The method is identified by method_index.
882 882 */
883 883 JNIEXPORT jboolean JNICALL
884 884 JVM_IsConstructorIx(JNIEnv *env, jclass cb, int index);
885 885
886 886 /*
887 887 * Is the given method generated by the VM.
888 888 * The method is identified by method_index.
889 889 */
890 890 JNIEXPORT jboolean JNICALL
891 891 JVM_IsVMGeneratedMethodIx(JNIEnv *env, jclass cb, int index);
892 892
893 893 /*
894 894 * Returns the name of a given method in UTF format.
895 895 * The result remains valid until JVM_ReleaseUTF is called.
896 896 *
897 897 * The caller must treat the string as a constant and not modify it
898 898 * in any way.
899 899 */
900 900 JNIEXPORT const char * JNICALL
901 901 JVM_GetMethodIxNameUTF(JNIEnv *env, jclass cb, jint index);
902 902
903 903 /*
904 904 * Returns the signature of a given method in UTF format.
905 905 * The result remains valid until JVM_ReleaseUTF is called.
906 906 *
907 907 * The caller must treat the string as a constant and not modify it
908 908 * in any way.
909 909 */
910 910 JNIEXPORT const char * JNICALL
911 911 JVM_GetMethodIxSignatureUTF(JNIEnv *env, jclass cb, jint index);
912 912
913 913 /*
914 914 * Returns the name of the field refered to at a given constant pool
915 915 * index.
916 916 *
917 917 * The result is in UTF format and remains valid until JVM_ReleaseUTF
918 918 * is called.
919 919 *
920 920 * The caller must treat the string as a constant and not modify it
921 921 * in any way.
922 922 */
923 923 JNIEXPORT const char * JNICALL
924 924 JVM_GetCPFieldNameUTF(JNIEnv *env, jclass cb, jint index);
925 925
926 926 /*
927 927 * Returns the name of the method refered to at a given constant pool
928 928 * index.
929 929 *
930 930 * The result is in UTF format and remains valid until JVM_ReleaseUTF
931 931 * is called.
932 932 *
933 933 * The caller must treat the string as a constant and not modify it
934 934 * in any way.
935 935 */
936 936 JNIEXPORT const char * JNICALL
937 937 JVM_GetCPMethodNameUTF(JNIEnv *env, jclass cb, jint index);
938 938
939 939 /*
940 940 * Returns the signature of the method refered to at a given constant pool
941 941 * index.
942 942 *
943 943 * The result is in UTF format and remains valid until JVM_ReleaseUTF
944 944 * is called.
945 945 *
946 946 * The caller must treat the string as a constant and not modify it
947 947 * in any way.
948 948 */
949 949 JNIEXPORT const char * JNICALL
950 950 JVM_GetCPMethodSignatureUTF(JNIEnv *env, jclass cb, jint index);
951 951
952 952 /*
953 953 * Returns the signature of the field refered to at a given constant pool
954 954 * index.
955 955 *
956 956 * The result is in UTF format and remains valid until JVM_ReleaseUTF
957 957 * is called.
958 958 *
959 959 * The caller must treat the string as a constant and not modify it
960 960 * in any way.
961 961 */
962 962 JNIEXPORT const char * JNICALL
963 963 JVM_GetCPFieldSignatureUTF(JNIEnv *env, jclass cb, jint index);
964 964
965 965 /*
966 966 * Returns the class name refered to at a given constant pool index.
967 967 *
968 968 * The result is in UTF format and remains valid until JVM_ReleaseUTF
969 969 * is called.
970 970 *
971 971 * The caller must treat the string as a constant and not modify it
972 972 * in any way.
973 973 */
974 974 JNIEXPORT const char * JNICALL
975 975 JVM_GetCPClassNameUTF(JNIEnv *env, jclass cb, jint index);
976 976
977 977 /*
978 978 * Returns the class name refered to at a given constant pool index.
979 979 *
980 980 * The constant pool entry must refer to a CONSTANT_Fieldref.
981 981 *
982 982 * The result is in UTF format and remains valid until JVM_ReleaseUTF
983 983 * is called.
984 984 *
985 985 * The caller must treat the string as a constant and not modify it
986 986 * in any way.
987 987 */
988 988 JNIEXPORT const char * JNICALL
989 989 JVM_GetCPFieldClassNameUTF(JNIEnv *env, jclass cb, jint index);
990 990
991 991 /*
992 992 * Returns the class name refered to at a given constant pool index.
993 993 *
994 994 * The constant pool entry must refer to CONSTANT_Methodref or
995 995 * CONSTANT_InterfaceMethodref.
996 996 *
997 997 * The result is in UTF format and remains valid until JVM_ReleaseUTF
998 998 * is called.
999 999 *
1000 1000 * The caller must treat the string as a constant and not modify it
1001 1001 * in any way.
1002 1002 */
1003 1003 JNIEXPORT const char * JNICALL
1004 1004 JVM_GetCPMethodClassNameUTF(JNIEnv *env, jclass cb, jint index);
1005 1005
1006 1006 /*
1007 1007 * Returns the modifiers of a field in calledClass. The field is
1008 1008 * referred to in class cb at constant pool entry index.
1009 1009 *
1010 1010 * The caller must treat the string as a constant and not modify it
1011 1011 * in any way.
1012 1012 *
1013 1013 * Returns -1 if the field does not exist in calledClass.
1014 1014 */
1015 1015 JNIEXPORT jint JNICALL
1016 1016 JVM_GetCPFieldModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
1017 1017
1018 1018 /*
1019 1019 * Returns the modifiers of a method in calledClass. The method is
1020 1020 * referred to in class cb at constant pool entry index.
1021 1021 *
1022 1022 * Returns -1 if the method does not exist in calledClass.
1023 1023 */
1024 1024 JNIEXPORT jint JNICALL
1025 1025 JVM_GetCPMethodModifiers(JNIEnv *env, jclass cb, int index, jclass calledClass);
1026 1026
1027 1027 /*
1028 1028 * Releases the UTF string obtained from the VM.
1029 1029 */
1030 1030 JNIEXPORT void JNICALL
1031 1031 JVM_ReleaseUTF(const char *utf);
1032 1032
1033 1033 /*
1034 1034 * Compare if two classes are in the same package.
1035 1035 */
1036 1036 JNIEXPORT jboolean JNICALL
1037 1037 JVM_IsSameClassPackage(JNIEnv *env, jclass class1, jclass class2);
1038 1038
1039 1039 /* Constants in class files */
1040 1040
1041 1041 #define JVM_ACC_PUBLIC 0x0001 /* visible to everyone */
1042 1042 #define JVM_ACC_PRIVATE 0x0002 /* visible only to the defining class */
1043 1043 #define JVM_ACC_PROTECTED 0x0004 /* visible to subclasses */
1044 1044 #define JVM_ACC_STATIC 0x0008 /* instance variable is static */
1045 1045 #define JVM_ACC_FINAL 0x0010 /* no further subclassing, overriding */
1046 1046 #define JVM_ACC_SYNCHRONIZED 0x0020 /* wrap method call in monitor lock */
1047 1047 #define JVM_ACC_SUPER 0x0020 /* funky handling of invokespecial */
1048 1048 #define JVM_ACC_VOLATILE 0x0040 /* can not cache in registers */
1049 1049 #define JVM_ACC_BRIDGE 0x0040 /* bridge method generated by compiler */
1050 1050 #define JVM_ACC_TRANSIENT 0x0080 /* not persistent */
1051 1051 #define JVM_ACC_VARARGS 0x0080 /* method declared with variable number of args */
1052 1052 #define JVM_ACC_NATIVE 0x0100 /* implemented in C */
1053 1053 #define JVM_ACC_INTERFACE 0x0200 /* class is an interface */
1054 1054 #define JVM_ACC_ABSTRACT 0x0400 /* no definition provided */
1055 1055 #define JVM_ACC_STRICT 0x0800 /* strict floating point */
1056 1056 #define JVM_ACC_SYNTHETIC 0x1000 /* compiler-generated class, method or field */
1057 1057 #define JVM_ACC_ANNOTATION 0x2000 /* annotation type */
1058 1058 #define JVM_ACC_ENUM 0x4000 /* field is declared as element of enum */
1059 1059
1060 1060 #define JVM_ACC_PUBLIC_BIT 0
1061 1061 #define JVM_ACC_PRIVATE_BIT 1
1062 1062 #define JVM_ACC_PROTECTED_BIT 2
1063 1063 #define JVM_ACC_STATIC_BIT 3
1064 1064 #define JVM_ACC_FINAL_BIT 4
1065 1065 #define JVM_ACC_SYNCHRONIZED_BIT 5
1066 1066 #define JVM_ACC_SUPER_BIT 5
1067 1067 #define JVM_ACC_VOLATILE_BIT 6
1068 1068 #define JVM_ACC_BRIDGE_BIT 6
1069 1069 #define JVM_ACC_TRANSIENT_BIT 7
1070 1070 #define JVM_ACC_VARARGS_BIT 7
1071 1071 #define JVM_ACC_NATIVE_BIT 8
1072 1072 #define JVM_ACC_INTERFACE_BIT 9
1073 1073 #define JVM_ACC_ABSTRACT_BIT 10
1074 1074 #define JVM_ACC_STRICT_BIT 11
1075 1075 #define JVM_ACC_SYNTHETIC_BIT 12
1076 1076 #define JVM_ACC_ANNOTATION_BIT 13
1077 1077 #define JVM_ACC_ENUM_BIT 14
1078 1078
1079 1079 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java
1080 1080 enum {
1081 1081 JVM_CONSTANT_Utf8 = 1,
1082 1082 JVM_CONSTANT_Unicode, /* unused */
1083 1083 JVM_CONSTANT_Integer,
1084 1084 JVM_CONSTANT_Float,
1085 1085 JVM_CONSTANT_Long,
1086 1086 JVM_CONSTANT_Double,
1087 1087 JVM_CONSTANT_Class,
1088 1088 JVM_CONSTANT_String,
1089 1089 JVM_CONSTANT_Fieldref,
1090 1090 JVM_CONSTANT_Methodref,
1091 1091 JVM_CONSTANT_InterfaceMethodref,
1092 1092 JVM_CONSTANT_NameAndType,
1093 1093 JVM_CONSTANT_MethodHandle = 15, // JSR 292
1094 1094 JVM_CONSTANT_MethodType = 16, // JSR 292
1095 1095 //JVM_CONSTANT_(unused) = 17, // JSR 292 early drafts only
1096 1096 JVM_CONSTANT_InvokeDynamic = 18, // JSR 292
1097 1097 JVM_CONSTANT_ExternalMax = 18 // Last tag found in classfiles
1098 1098 };
1099 1099
1100 1100 /* JVM_CONSTANT_MethodHandle subtypes */
1101 1101 enum {
1102 1102 JVM_REF_getField = 1,
1103 1103 JVM_REF_getStatic = 2,
1104 1104 JVM_REF_putField = 3,
1105 1105 JVM_REF_putStatic = 4,
1106 1106 JVM_REF_invokeVirtual = 5,
1107 1107 JVM_REF_invokeStatic = 6,
1108 1108 JVM_REF_invokeSpecial = 7,
1109 1109 JVM_REF_newInvokeSpecial = 8,
1110 1110 JVM_REF_invokeInterface = 9
1111 1111 };
1112 1112
1113 1113 /* Used in the newarray instruction. */
1114 1114
1115 1115 #define JVM_T_BOOLEAN 4
1116 1116 #define JVM_T_CHAR 5
1117 1117 #define JVM_T_FLOAT 6
1118 1118 #define JVM_T_DOUBLE 7
1119 1119 #define JVM_T_BYTE 8
1120 1120 #define JVM_T_SHORT 9
1121 1121 #define JVM_T_INT 10
1122 1122 #define JVM_T_LONG 11
1123 1123
1124 1124 /* JVM method signatures */
1125 1125
1126 1126 #define JVM_SIGNATURE_ARRAY '['
1127 1127 #define JVM_SIGNATURE_BYTE 'B'
1128 1128 #define JVM_SIGNATURE_CHAR 'C'
1129 1129 #define JVM_SIGNATURE_CLASS 'L'
1130 1130 #define JVM_SIGNATURE_ENDCLASS ';'
1131 1131 #define JVM_SIGNATURE_ENUM 'E'
1132 1132 #define JVM_SIGNATURE_FLOAT 'F'
1133 1133 #define JVM_SIGNATURE_DOUBLE 'D'
1134 1134 #define JVM_SIGNATURE_FUNC '('
1135 1135 #define JVM_SIGNATURE_ENDFUNC ')'
1136 1136 #define JVM_SIGNATURE_INT 'I'
1137 1137 #define JVM_SIGNATURE_LONG 'J'
1138 1138 #define JVM_SIGNATURE_SHORT 'S'
1139 1139 #define JVM_SIGNATURE_VOID 'V'
1140 1140 #define JVM_SIGNATURE_BOOLEAN 'Z'
1141 1141
1142 1142 /*
1143 1143 * A function defined by the byte-code verifier and called by the VM.
1144 1144 * This is not a function implemented in the VM.
1145 1145 *
1146 1146 * Returns JNI_FALSE if verification fails. A detailed error message
1147 1147 * will be places in msg_buf, whose length is specified by buf_len.
1148 1148 */
1149 1149 typedef jboolean (*verifier_fn_t)(JNIEnv *env,
1150 1150 jclass cb,
1151 1151 char * msg_buf,
1152 1152 jint buf_len);
1153 1153
1154 1154
1155 1155 /*
1156 1156 * Support for a VM-independent class format checker.
1157 1157 */
1158 1158 typedef struct {
1159 1159 unsigned long code; /* byte code */
1160 1160 unsigned long excs; /* exceptions */
1161 1161 unsigned long etab; /* catch table */
1162 1162 unsigned long lnum; /* line number */
1163 1163 unsigned long lvar; /* local vars */
1164 1164 } method_size_info;
1165 1165
1166 1166 typedef struct {
1167 1167 unsigned int constants; /* constant pool */
1168 1168 unsigned int fields;
1169 1169 unsigned int methods;
1170 1170 unsigned int interfaces;
1171 1171 unsigned int fields2; /* number of static 2-word fields */
1172 1172 unsigned int innerclasses; /* # of records in InnerClasses attr */
1173 1173
1174 1174 method_size_info clinit; /* memory used in clinit */
1175 1175 method_size_info main; /* used everywhere else */
1176 1176 } class_size_info;
1177 1177
1178 1178 /*
1179 1179 * Functions defined in libjava.so to perform string conversions.
1180 1180 *
1181 1181 */
1182 1182
1183 1183 typedef jstring (*to_java_string_fn_t)(JNIEnv *env, char *str);
1184 1184
1185 1185 typedef char *(*to_c_string_fn_t)(JNIEnv *env, jstring s, jboolean *b);
1186 1186
1187 1187 /* This is the function defined in libjava.so that performs class
1188 1188 * format checks. This functions fills in size information about
1189 1189 * the class file and returns:
1190 1190 *
1191 1191 * 0: good
1192 1192 * -1: out of memory
1193 1193 * -2: bad format
1194 1194 * -3: unsupported version
1195 1195 * -4: bad class name
1196 1196 */
1197 1197
1198 1198 typedef jint (*check_format_fn_t)(char *class_name,
1199 1199 unsigned char *data,
1200 1200 unsigned int data_size,
1201 1201 class_size_info *class_size,
1202 1202 char *message_buffer,
1203 1203 jint buffer_length,
1204 1204 jboolean measure_only,
1205 1205 jboolean check_relaxed);
1206 1206
1207 1207 #define JVM_RECOGNIZED_CLASS_MODIFIERS (JVM_ACC_PUBLIC | \
1208 1208 JVM_ACC_FINAL | \
1209 1209 JVM_ACC_SUPER | \
1210 1210 JVM_ACC_INTERFACE | \
1211 1211 JVM_ACC_ABSTRACT | \
1212 1212 JVM_ACC_ANNOTATION | \
1213 1213 JVM_ACC_ENUM | \
1214 1214 JVM_ACC_SYNTHETIC)
1215 1215
1216 1216 #define JVM_RECOGNIZED_FIELD_MODIFIERS (JVM_ACC_PUBLIC | \
1217 1217 JVM_ACC_PRIVATE | \
1218 1218 JVM_ACC_PROTECTED | \
1219 1219 JVM_ACC_STATIC | \
1220 1220 JVM_ACC_FINAL | \
1221 1221 JVM_ACC_VOLATILE | \
1222 1222 JVM_ACC_TRANSIENT | \
1223 1223 JVM_ACC_ENUM | \
1224 1224 JVM_ACC_SYNTHETIC)
1225 1225
1226 1226 #define JVM_RECOGNIZED_METHOD_MODIFIERS (JVM_ACC_PUBLIC | \
1227 1227 JVM_ACC_PRIVATE | \
1228 1228 JVM_ACC_PROTECTED | \
1229 1229 JVM_ACC_STATIC | \
1230 1230 JVM_ACC_FINAL | \
1231 1231 JVM_ACC_SYNCHRONIZED | \
1232 1232 JVM_ACC_BRIDGE | \
1233 1233 JVM_ACC_VARARGS | \
1234 1234 JVM_ACC_NATIVE | \
1235 1235 JVM_ACC_ABSTRACT | \
1236 1236 JVM_ACC_STRICT | \
1237 1237 JVM_ACC_SYNTHETIC)
1238 1238
1239 1239 /*
1240 1240 * This is the function defined in libjava.so to perform path
1241 1241 * canonicalization. VM call this function before opening jar files
1242 1242 * to load system classes.
1243 1243 *
1244 1244 */
1245 1245
1246 1246 typedef int (*canonicalize_fn_t)(JNIEnv *env, char *orig, char *out, int len);
1247 1247
1248 1248 /*************************************************************************
1249 1249 PART 3: I/O and Network Support
1250 1250 ************************************************************************/
1251 1251
1252 1252 /* Note that the JVM IO functions are expected to return JVM_IO_ERR
1253 1253 * when there is any kind of error. The caller can then use the
1254 1254 * platform specific support (e.g., errno) to get the detailed
1255 1255 * error info. The JVM_GetLastErrorString procedure may also be used
1256 1256 * to obtain a descriptive error string.
1257 1257 */
1258 1258 #define JVM_IO_ERR (-1)
1259 1259
1260 1260 /* For interruptible IO. Returning JVM_IO_INTR indicates that an IO
1261 1261 * operation has been disrupted by Thread.interrupt. There are a
1262 1262 * number of technical difficulties related to interruptible IO that
1263 1263 * need to be solved. For example, most existing programs do not handle
1264 1264 * InterruptedIOExceptions specially, they simply treat those as any
1265 1265 * IOExceptions, which typically indicate fatal errors.
1266 1266 *
1267 1267 * There are also two modes of operation for interruptible IO. In the
1268 1268 * resumption mode, an interrupted IO operation is guaranteed not to
1269 1269 * have any side-effects, and can be restarted. In the termination mode,
1270 1270 * an interrupted IO operation corrupts the underlying IO stream, so
1271 1271 * that the only reasonable operation on an interrupted stream is to
1272 1272 * close that stream. The resumption mode seems to be impossible to
1273 1273 * implement on Win32 and Solaris. Implementing the termination mode is
1274 1274 * easier, but it's not clear that's the right semantics.
1275 1275 *
1276 1276 * Interruptible IO is not supported on Win32.It can be enabled/disabled
1277 1277 * using a compile-time flag on Solaris. Third-party JVM ports do not
1278 1278 * need to implement interruptible IO.
1279 1279 */
1280 1280 #define JVM_IO_INTR (-2)
1281 1281
1282 1282 /* Write a string into the given buffer, in the platform's local encoding,
1283 1283 * that describes the most recent system-level error to occur in this thread.
1284 1284 * Return the length of the string or zero if no error occurred.
1285 1285 */
1286 1286 JNIEXPORT jint JNICALL
1287 1287 JVM_GetLastErrorString(char *buf, int len);
1288 1288
1289 1289 /*
1290 1290 * Convert a pathname into native format. This function does syntactic
1291 1291 * cleanup, such as removing redundant separator characters. It modifies
1292 1292 * the given pathname string in place.
1293 1293 */
1294 1294 JNIEXPORT char * JNICALL
1295 1295 JVM_NativePath(char *);
1296 1296
1297 1297 /*
1298 1298 * JVM I/O error codes
1299 1299 */
1300 1300 #define JVM_EEXIST -100
1301 1301
1302 1302 /*
1303 1303 * Open a file descriptor. This function returns a negative error code
1304 1304 * on error, and a non-negative integer that is the file descriptor on
1305 1305 * success.
1306 1306 */
1307 1307 JNIEXPORT jint JNICALL
1308 1308 JVM_Open(const char *fname, jint flags, jint mode);
1309 1309
1310 1310 /*
1311 1311 * Close a file descriptor. This function returns -1 on error, and 0
1312 1312 * on success.
1313 1313 *
1314 1314 * fd the file descriptor to close.
1315 1315 */
1316 1316 JNIEXPORT jint JNICALL
1317 1317 JVM_Close(jint fd);
1318 1318
1319 1319 /*
1320 1320 * Read data from a file decriptor into a char array.
1321 1321 *
1322 1322 * fd the file descriptor to read from.
1323 1323 * buf the buffer where to put the read data.
1324 1324 * nbytes the number of bytes to read.
1325 1325 *
1326 1326 * This function returns -1 on error, and 0 on success.
1327 1327 */
1328 1328 JNIEXPORT jint JNICALL
1329 1329 JVM_Read(jint fd, char *buf, jint nbytes);
1330 1330
1331 1331 /*
1332 1332 * Write data from a char array to a file decriptor.
1333 1333 *
1334 1334 * fd the file descriptor to read from.
1335 1335 * buf the buffer from which to fetch the data.
1336 1336 * nbytes the number of bytes to write.
1337 1337 *
1338 1338 * This function returns -1 on error, and 0 on success.
1339 1339 */
1340 1340 JNIEXPORT jint JNICALL
1341 1341 JVM_Write(jint fd, char *buf, jint nbytes);
1342 1342
1343 1343 /*
1344 1344 * Returns the number of bytes available for reading from a given file
1345 1345 * descriptor
1346 1346 */
1347 1347 JNIEXPORT jint JNICALL
1348 1348 JVM_Available(jint fd, jlong *pbytes);
1349 1349
1350 1350 /*
1351 1351 * Move the file descriptor pointer from whence by offset.
1352 1352 *
1353 1353 * fd the file descriptor to move.
1354 1354 * offset the number of bytes to move it by.
1355 1355 * whence the start from where to move it.
1356 1356 *
1357 1357 * This function returns the resulting pointer location.
1358 1358 */
1359 1359 JNIEXPORT jlong JNICALL
1360 1360 JVM_Lseek(jint fd, jlong offset, jint whence);
1361 1361
1362 1362 /*
1363 1363 * Set the length of the file associated with the given descriptor to the given
1364 1364 * length. If the new length is longer than the current length then the file
1365 1365 * is extended; the contents of the extended portion are not defined. The
1366 1366 * value of the file pointer is undefined after this procedure returns.
1367 1367 */
1368 1368 JNIEXPORT jint JNICALL
1369 1369 JVM_SetLength(jint fd, jlong length);
1370 1370
1371 1371 /*
1372 1372 * Synchronize the file descriptor's in memory state with that of the
1373 1373 * physical device. Return of -1 is an error, 0 is OK.
1374 1374 */
1375 1375 JNIEXPORT jint JNICALL
1376 1376 JVM_Sync(jint fd);
1377 1377
1378 1378 /*
1379 1379 * Networking library support
1380 1380 */
1381 1381
1382 1382 JNIEXPORT jint JNICALL
1383 1383 JVM_InitializeSocketLibrary(void);
1384 1384
1385 1385 struct sockaddr;
1386 1386
1387 1387 JNIEXPORT jint JNICALL
1388 1388 JVM_Socket(jint domain, jint type, jint protocol);
1389 1389
1390 1390 JNIEXPORT jint JNICALL
1391 1391 JVM_SocketClose(jint fd);
1392 1392
1393 1393 JNIEXPORT jint JNICALL
1394 1394 JVM_SocketShutdown(jint fd, jint howto);
1395 1395
1396 1396 JNIEXPORT jint JNICALL
1397 1397 JVM_Recv(jint fd, char *buf, jint nBytes, jint flags);
1398 1398
1399 1399 JNIEXPORT jint JNICALL
1400 1400 JVM_Send(jint fd, char *buf, jint nBytes, jint flags);
1401 1401
1402 1402 JNIEXPORT jint JNICALL
1403 1403 JVM_Timeout(int fd, long timeout);
1404 1404
1405 1405 JNIEXPORT jint JNICALL
1406 1406 JVM_Listen(jint fd, jint count);
1407 1407
1408 1408 JNIEXPORT jint JNICALL
1409 1409 JVM_Connect(jint fd, struct sockaddr *him, jint len);
1410 1410
1411 1411 JNIEXPORT jint JNICALL
1412 1412 JVM_Bind(jint fd, struct sockaddr *him, jint len);
1413 1413
1414 1414 JNIEXPORT jint JNICALL
1415 1415 JVM_Accept(jint fd, struct sockaddr *him, jint *len);
1416 1416
1417 1417 JNIEXPORT jint JNICALL
1418 1418 JVM_RecvFrom(jint fd, char *buf, int nBytes,
1419 1419 int flags, struct sockaddr *from, int *fromlen);
1420 1420
1421 1421 JNIEXPORT jint JNICALL
1422 1422 JVM_SendTo(jint fd, char *buf, int len,
1423 1423 int flags, struct sockaddr *to, int tolen);
1424 1424
1425 1425 JNIEXPORT jint JNICALL
1426 1426 JVM_SocketAvailable(jint fd, jint *result);
1427 1427
1428 1428
1429 1429 JNIEXPORT jint JNICALL
1430 1430 JVM_GetSockName(jint fd, struct sockaddr *him, int *len);
1431 1431
1432 1432 JNIEXPORT jint JNICALL
1433 1433 JVM_GetSockOpt(jint fd, int level, int optname, char *optval, int *optlen);
1434 1434
1435 1435 JNIEXPORT jint JNICALL
1436 1436 JVM_SetSockOpt(jint fd, int level, int optname, const char *optval, int optlen);
1437 1437
1438 1438 JNIEXPORT int JNICALL
1439 1439 JVM_GetHostName(char* name, int namelen);
1440 1440
1441 1441 /*
1442 1442 * The standard printing functions supported by the Java VM. (Should they
1443 1443 * be renamed to JVM_* in the future?
1444 1444 */
1445 1445
1446 1446 /*
1447 1447 * BE CAREFUL! The following functions do not implement the
1448 1448 * full feature set of standard C printf formats.
1449 1449 */
1450 1450 JNIEXPORT int
1451 1451 jio_vsnprintf(char *str, size_t count, const char *fmt, va_list args);
1452 1452
1453 1453 JNIEXPORT int
1454 1454 jio_snprintf(char *str, size_t count, const char *fmt, ...);
1455 1455
1456 1456 JNIEXPORT int
1457 1457 jio_fprintf(FILE *, const char *fmt, ...);
1458 1458
1459 1459 JNIEXPORT int
1460 1460 jio_vfprintf(FILE *, const char *fmt, va_list args);
1461 1461
1462 1462
1463 1463 JNIEXPORT void * JNICALL
1464 1464 JVM_RawMonitorCreate(void);
1465 1465
1466 1466 JNIEXPORT void JNICALL
1467 1467 JVM_RawMonitorDestroy(void *mon);
1468 1468
1469 1469 JNIEXPORT jint JNICALL
1470 1470 JVM_RawMonitorEnter(void *mon);
1471 1471
1472 1472 JNIEXPORT void JNICALL
1473 1473 JVM_RawMonitorExit(void *mon);
1474 1474
1475 1475 /*
1476 1476 * java.lang.reflect.Method
1477 1477 */
1478 1478 JNIEXPORT jobject JNICALL
1479 1479 JVM_InvokeMethod(JNIEnv *env, jobject method, jobject obj, jobjectArray args0);
1480 1480
1481 1481 /*
1482 1482 * java.lang.reflect.Constructor
1483 1483 */
1484 1484 JNIEXPORT jobject JNICALL
1485 1485 JVM_NewInstanceFromConstructor(JNIEnv *env, jobject c, jobjectArray args0);
1486 1486
1487 1487 /*
1488 1488 * java.lang.management support
1489 1489 */
1490 1490 JNIEXPORT void* JNICALL
1491 1491 JVM_GetManagement(jint version);
1492 1492
1493 1493 /*
1494 1494 * com.sun.tools.attach.VirtualMachine support
1495 1495 *
1496 1496 * Initialize the agent properties with the properties maintained in the VM.
1497 1497 */
1498 1498 JNIEXPORT jobject JNICALL
1499 1499 JVM_InitAgentProperties(JNIEnv *env, jobject agent_props);
1500 1500
1501 1501 JNIEXPORT jstring JNICALL
1502 1502 JVM_GetTemporaryDirectory(JNIEnv *env);
1503 1503
1504 1504 /* Generics reflection support.
1505 1505 *
1506 1506 * Returns information about the given class's EnclosingMethod
1507 1507 * attribute, if present, or null if the class had no enclosing
1508 1508 * method.
1509 1509 *
1510 1510 * If non-null, the returned array contains three elements. Element 0
1511 1511 * is the java.lang.Class of which the enclosing method is a member,
1512 1512 * and elements 1 and 2 are the java.lang.Strings for the enclosing
1513 1513 * method's name and descriptor, respectively.
1514 1514 */
1515 1515 JNIEXPORT jobjectArray JNICALL
1516 1516 JVM_GetEnclosingMethodInfo(JNIEnv* env, jclass ofClass);
1517 1517
1518 1518 /*
1519 1519 * Java thread state support
1520 1520 */
1521 1521 enum {
1522 1522 JAVA_THREAD_STATE_NEW = 0,
1523 1523 JAVA_THREAD_STATE_RUNNABLE = 1,
1524 1524 JAVA_THREAD_STATE_BLOCKED = 2,
1525 1525 JAVA_THREAD_STATE_WAITING = 3,
1526 1526 JAVA_THREAD_STATE_TIMED_WAITING = 4,
1527 1527 JAVA_THREAD_STATE_TERMINATED = 5,
1528 1528 JAVA_THREAD_STATE_COUNT = 6
1529 1529 };
1530 1530
1531 1531 /*
1532 1532 * Returns an array of the threadStatus values representing the
1533 1533 * given Java thread state. Returns NULL if the VM version is
1534 1534 * incompatible with the JDK or doesn't support the given
1535 1535 * Java thread state.
1536 1536 */
1537 1537 JNIEXPORT jintArray JNICALL
1538 1538 JVM_GetThreadStateValues(JNIEnv* env, jint javaThreadState);
1539 1539
1540 1540 /*
↓ open down ↓ |
1540 lines elided |
↑ open up ↑ |
1541 1541 * Returns an array of the substate names representing the
1542 1542 * given Java thread state. Returns NULL if the VM version is
1543 1543 * incompatible with the JDK or the VM doesn't support
1544 1544 * the given Java thread state.
1545 1545 * values must be the jintArray returned from JVM_GetThreadStateValues
1546 1546 * and javaThreadState.
1547 1547 */
1548 1548 JNIEXPORT jobjectArray JNICALL
1549 1549 JVM_GetThreadStateNames(JNIEnv* env, jint javaThreadState, jintArray values);
1550 1550
1551 +/*
1552 + * Returns true if the JVM's lookup cache indicates that this class is
1553 + * known to NOT exist for the given loader.
1554 + */
1555 +JNIEXPORT jboolean JNICALL
1556 +JVM_KnownToNotExist(JNIEnv *env, jobject loader, const char *classname);
1557 +
1558 +/*
1559 + * Returns an array of all URLs that are stored in the JVM's lookup cache
1560 + * for the given loader. NULL if the lookup cache is unavailable.
1561 + */
1562 +JNIEXPORT jobjectArray JNICALL
1563 +JVM_GetResourceLookupCacheURLs(JNIEnv *env, jobject loader);
1564 +
1565 +/*
1566 + * Returns an array of all URLs that *may* contain the resource_name for the
1567 + * given loader. This function returns an integer array, each element
1568 + * of which can be used to index into the array returned by
1569 + * JVM_GetResourceLookupCacheURLs of the same loader to determine the
1570 + * URLs.
1571 + */
1572 +JNIEXPORT jintArray JNICALL
1573 +JVM_GetResourceLookupCache(JNIEnv *env, jobject loader, const char *resource_name);
1574 +
1575 +
1551 1576 /* =========================================================================
1552 1577 * The following defines a private JVM interface that the JDK can query
1553 1578 * for the JVM version and capabilities. sun.misc.Version defines
1554 1579 * the methods for getting the VM version and its capabilities.
1555 1580 *
1556 1581 * When a new bit is added, the following should be updated to provide
1557 1582 * access to the new capability:
1558 1583 * HS: JVM_GetVersionInfo and Abstract_VM_Version class
1559 1584 * SDK: Version class
1560 1585 *
1561 1586 * Similary, a private JDK interface JDK_GetVersionInfo0 is defined for
1562 1587 * JVM to query for the JDK version and capabilities.
1563 1588 *
1564 1589 * When a new bit is added, the following should be updated to provide
1565 1590 * access to the new capability:
1566 1591 * HS: JDK_Version class
1567 1592 * SDK: JDK_GetVersionInfo0
1568 1593 *
1569 1594 * ==========================================================================
1570 1595 */
1571 1596 typedef struct {
1572 1597 /* HotSpot Express VM version string:
1573 1598 * <major>.<minor>-bxx[-<identifier>][-<debug_flavor>]
1574 1599 */
1575 1600 unsigned int jvm_version; /* Consists of major.minor.0.build */
1576 1601 unsigned int update_version : 8; /* 0 in HotSpot Express VM */
1577 1602 unsigned int special_update_version : 8; /* 0 in HotSpot Express VM */
1578 1603 unsigned int reserved1 : 16;
1579 1604 unsigned int reserved2;
1580 1605
1581 1606 /* The following bits represents JVM supports that JDK has dependency on.
1582 1607 * JDK can use these bits to determine which JVM version
1583 1608 * and support it has to maintain runtime compatibility.
1584 1609 *
1585 1610 * When a new bit is added in a minor or update release, make sure
1586 1611 * the new bit is also added in the main/baseline.
1587 1612 */
1588 1613 unsigned int is_attachable : 1;
1589 1614 unsigned int : 31;
1590 1615 unsigned int : 32;
1591 1616 unsigned int : 32;
1592 1617 } jvm_version_info;
1593 1618
1594 1619 #define JVM_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1595 1620 #define JVM_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1596 1621 // Micro version is 0 in HotSpot Express VM (set in jvm.cpp).
1597 1622 #define JVM_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1598 1623 /* Build number is available in all HotSpot Express VM builds.
1599 1624 * It is defined in make/hotspot_version file.
1600 1625 */
1601 1626 #define JVM_VERSION_BUILD(version) ((version & 0x000000FF))
1602 1627
1603 1628 JNIEXPORT void JNICALL
1604 1629 JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size);
1605 1630
1606 1631 typedef struct {
1607 1632 // Naming convention of RE build version string: n.n.n[_uu[c]][-<identifier>]-bxx
1608 1633 unsigned int jdk_version; /* Consists of major, minor, micro (n.n.n) */
1609 1634 /* and build number (xx) */
1610 1635 unsigned int update_version : 8; /* Update release version (uu) */
1611 1636 unsigned int special_update_version : 8; /* Special update release version (c)*/
1612 1637 unsigned int reserved1 : 16;
1613 1638 unsigned int reserved2;
1614 1639
1615 1640 /* The following bits represents new JDK supports that VM has dependency on.
1616 1641 * VM implementation can use these bits to determine which JDK version
1617 1642 * and support it has to maintain runtime compatibility.
1618 1643 *
1619 1644 * When a new bit is added in a minor or update release, make sure
1620 1645 * the new bit is also added in the main/baseline.
1621 1646 */
1622 1647 unsigned int thread_park_blocker : 1;
1623 1648 unsigned int post_vm_init_hook_enabled : 1;
1624 1649 unsigned int pending_list_uses_discovered_field : 1;
1625 1650 unsigned int : 29;
1626 1651 unsigned int : 32;
1627 1652 unsigned int : 32;
1628 1653 } jdk_version_info;
1629 1654
1630 1655 #define JDK_VERSION_MAJOR(version) ((version & 0xFF000000) >> 24)
1631 1656 #define JDK_VERSION_MINOR(version) ((version & 0x00FF0000) >> 16)
1632 1657 #define JDK_VERSION_MICRO(version) ((version & 0x0000FF00) >> 8)
1633 1658
1634 1659 /* Build number is available only for RE build (i.e. JDK_BUILD_NUMBER is set to bNN)
1635 1660 * It will be zero for internal builds.
1636 1661 */
1637 1662 #define JDK_VERSION_BUILD(version) ((version & 0x000000FF))
1638 1663
1639 1664 /*
1640 1665 * This is the function JDK_GetVersionInfo0 defined in libjava.so
1641 1666 * that is dynamically looked up by JVM.
1642 1667 */
1643 1668 typedef void (*jdk_version_info_fn_t)(jdk_version_info* info, size_t info_size);
1644 1669
1645 1670 /*
1646 1671 * This structure is used by the launcher to get the default thread
1647 1672 * stack size from the VM using JNI_GetDefaultJavaVMInitArgs() with a
1648 1673 * version of 1.1. As it is not supported otherwise, it has been removed
1649 1674 * from jni.h
1650 1675 */
1651 1676 typedef struct JDK1_1InitArgs {
1652 1677 jint version;
1653 1678
1654 1679 char **properties;
1655 1680 jint checkSource;
1656 1681 jint nativeStackSize;
1657 1682 jint javaStackSize;
1658 1683 jint minHeapSize;
1659 1684 jint maxHeapSize;
1660 1685 jint verifyMode;
1661 1686 char *classpath;
1662 1687
1663 1688 jint (JNICALL *vfprintf)(FILE *fp, const char *format, va_list args);
1664 1689 void (JNICALL *exit)(jint code);
1665 1690 void (JNICALL *abort)(void);
1666 1691
1667 1692 jint enableClassGC;
1668 1693 jint enableVerboseGC;
1669 1694 jint disableAsyncGC;
1670 1695 jint verbose;
1671 1696 jboolean debugging;
1672 1697 jint debugPort;
1673 1698 } JDK1_1InitArgs;
1674 1699
1675 1700 #ifdef __cplusplus
1676 1701 } /* extern "C" */
1677 1702 #endif /* __cplusplus */
1678 1703
1679 1704 #endif /* !_JAVASOFT_JVM_H_ */
1680 1705
1681 1706 #endif // SHARE_VM_PRIMS_JVM_H
↓ open down ↓ |
121 lines elided |
↑ open up ↑ |
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX