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ee9dd372 TT |
1 | // jni.cc - JNI implementation, including the jump table. |
2 | ||
2ba5f774 | 3 | /* Copyright (C) 1998, 1999, 2000 Free Software Foundation |
ee9dd372 TT |
4 | |
5 | This file is part of libgcj. | |
6 | ||
7 | This software is copyrighted work licensed under the terms of the | |
8 | Libgcj License. Please consult the file "LIBGCJ_LICENSE" for | |
9 | details. */ | |
10 | ||
11 | #include <config.h> | |
12 | ||
13 | #include <stddef.h> | |
7e648cf9 | 14 | #include <string.h> |
ee9dd372 | 15 | |
355dff4c TT |
16 | // Define this before including jni.h. |
17 | #define __GCJ_JNI_IMPL__ | |
8a922095 TT |
18 | |
19 | #include <gcj/cni.h> | |
20 | #include <jvm.h> | |
21 | #include <java-assert.h> | |
ee9dd372 | 22 | #include <jni.h> |
54c2f04b AG |
23 | #ifdef ENABLE_JVMPI |
24 | #include <jvmpi.h> | |
25 | #endif | |
355dff4c TT |
26 | |
27 | #include <java/lang/Class.h> | |
28 | #include <java/lang/ClassLoader.h> | |
8a922095 TT |
29 | #include <java/lang/Throwable.h> |
30 | #include <java/lang/ArrayIndexOutOfBoundsException.h> | |
355dff4c | 31 | #include <java/lang/StringIndexOutOfBoundsException.h> |
facc279f | 32 | #include <java/lang/AbstractMethodError.h> |
8a922095 TT |
33 | #include <java/lang/InstantiationException.h> |
34 | #include <java/lang/NoSuchFieldError.h> | |
35 | #include <java/lang/NoSuchMethodError.h> | |
36 | #include <java/lang/reflect/Constructor.h> | |
355dff4c | 37 | #include <java/lang/reflect/Method.h> |
8a922095 | 38 | #include <java/lang/reflect/Modifier.h> |
7e648cf9 TT |
39 | #include <java/lang/OutOfMemoryError.h> |
40 | #include <java/util/Hashtable.h> | |
41 | #include <java/lang/Integer.h> | |
aaf0766e | 42 | #include <gnu/gcj/jni/NativeThread.h> |
8a922095 | 43 | |
355dff4c TT |
44 | #include <gcj/method.h> |
45 | #include <gcj/field.h> | |
46 | ||
ee6713e7 TT |
47 | #include <java-interp.h> |
48 | ||
8a922095 TT |
49 | #define ClassClass _CL_Q34java4lang5Class |
50 | extern java::lang::Class ClassClass; | |
51 | #define ObjectClass _CL_Q34java4lang6Object | |
52 | extern java::lang::Class ObjectClass; | |
53 | ||
278abd28 TT |
54 | #define ThrowableClass _CL_Q34java4lang9Throwable |
55 | extern java::lang::Class ThrowableClass; | |
355dff4c TT |
56 | #define MethodClass _CL_Q44java4lang7reflect6Method |
57 | extern java::lang::Class MethodClass; | |
aaf0766e TT |
58 | #define ThreadGroupClass _CL_Q34java4lang11ThreadGroup |
59 | extern java::lang::Class ThreadGroupClass; | |
60 | #define NativeThreadClass _CL_Q43gnu3gcj3jni12NativeThread | |
61 | extern java::lang::Class ThreadGroupClass; | |
355dff4c | 62 | |
8a922095 TT |
63 | // This enum is used to select different template instantiations in |
64 | // the invocation code. | |
65 | enum invocation_type | |
66 | { | |
67 | normal, | |
68 | nonvirtual, | |
69 | static_type, | |
70 | constructor | |
71 | }; | |
72 | ||
aaf0766e | 73 | // Forward declarations. |
355dff4c | 74 | extern struct JNINativeInterface _Jv_JNIFunctions; |
aaf0766e | 75 | extern struct JNIInvokeInterface _Jv_JNI_InvokeFunctions; |
355dff4c | 76 | |
7e648cf9 TT |
77 | // Number of slots in the default frame. The VM must allow at least |
78 | // 16. | |
79 | #define FRAME_SIZE 32 | |
80 | ||
8d00f617 TT |
81 | // Mark value indicating this is an overflow frame. |
82 | #define MARK_NONE 0 | |
83 | // Mark value indicating this is a user frame. | |
84 | #define MARK_USER 1 | |
85 | // Mark value indicating this is a system frame. | |
86 | #define MARK_SYSTEM 2 | |
87 | ||
7e648cf9 TT |
88 | // This structure is used to keep track of local references. |
89 | struct _Jv_JNI_LocalFrame | |
90 | { | |
91 | // This is true if this frame object represents a pushed frame (eg | |
92 | // from PushLocalFrame). | |
8d00f617 | 93 | int marker : 2; |
7e648cf9 TT |
94 | |
95 | // Number of elements in frame. | |
8d00f617 | 96 | int size : 30; |
7e648cf9 TT |
97 | |
98 | // Next frame in chain. | |
99 | _Jv_JNI_LocalFrame *next; | |
100 | ||
101 | // The elements. These are allocated using the C "struct hack". | |
102 | jobject vec[0]; | |
103 | }; | |
104 | ||
105 | // This holds a reference count for all local and global references. | |
106 | static java::util::Hashtable *ref_table; | |
107 | ||
aaf0766e TT |
108 | // The only VM. |
109 | static JavaVM *the_vm; | |
110 | ||
54c2f04b AG |
111 | #ifdef ENABLE_JVMPI |
112 | // The only JVMPI interface description. | |
113 | static JVMPI_Interface _Jv_JVMPI_Interface; | |
114 | ||
115 | static jint | |
116 | jvmpiEnableEvent (jint event_type, void *) | |
117 | { | |
118 | switch (event_type) | |
119 | { | |
120 | case JVMPI_EVENT_OBJECT_ALLOC: | |
121 | _Jv_JVMPI_Notify_OBJECT_ALLOC = _Jv_JVMPI_Interface.NotifyEvent; | |
122 | break; | |
123 | ||
124 | case JVMPI_EVENT_THREAD_START: | |
125 | _Jv_JVMPI_Notify_THREAD_START = _Jv_JVMPI_Interface.NotifyEvent; | |
126 | break; | |
127 | ||
128 | case JVMPI_EVENT_THREAD_END: | |
129 | _Jv_JVMPI_Notify_THREAD_END = _Jv_JVMPI_Interface.NotifyEvent; | |
130 | break; | |
131 | ||
132 | default: | |
133 | return JVMPI_NOT_AVAILABLE; | |
134 | } | |
135 | ||
136 | return JVMPI_SUCCESS; | |
137 | } | |
138 | ||
139 | static jint | |
140 | jvmpiDisableEvent (jint event_type, void *) | |
141 | { | |
142 | switch (event_type) | |
143 | { | |
144 | case JVMPI_EVENT_OBJECT_ALLOC: | |
145 | _Jv_JVMPI_Notify_OBJECT_ALLOC = NULL; | |
146 | break; | |
147 | ||
148 | default: | |
149 | return JVMPI_NOT_AVAILABLE; | |
150 | } | |
151 | ||
152 | return JVMPI_SUCCESS; | |
153 | } | |
154 | #endif | |
155 | ||
8a922095 TT |
156 | \f |
157 | ||
7e648cf9 TT |
158 | void |
159 | _Jv_JNI_Init (void) | |
160 | { | |
161 | ref_table = new java::util::Hashtable; | |
54c2f04b AG |
162 | |
163 | #ifdef ENABLE_JVMPI | |
164 | _Jv_JVMPI_Interface.version = 1; | |
165 | _Jv_JVMPI_Interface.EnableEvent = &jvmpiEnableEvent; | |
166 | _Jv_JVMPI_Interface.DisableEvent = &jvmpiDisableEvent; | |
167 | _Jv_JVMPI_Interface.EnableGC = &_Jv_EnableGC; | |
168 | _Jv_JVMPI_Interface.DisableGC = &_Jv_DisableGC; | |
169 | _Jv_JVMPI_Interface.RunGC = &_Jv_RunGC; | |
170 | #endif | |
7e648cf9 TT |
171 | } |
172 | ||
8a922095 TT |
173 | // Tell the GC that a certain pointer is live. |
174 | static void | |
7e648cf9 | 175 | mark_for_gc (jobject obj) |
8a922095 | 176 | { |
7e648cf9 TT |
177 | JvSynchronize sync (ref_table); |
178 | ||
179 | using namespace java::lang; | |
180 | Integer *refcount = (Integer *) ref_table->get (obj); | |
181 | jint val = (refcount == NULL) ? 0 : refcount->intValue (); | |
b099f07d | 182 | // FIXME: what about out of memory error? |
7e648cf9 | 183 | ref_table->put (obj, new Integer (val + 1)); |
8a922095 TT |
184 | } |
185 | ||
186 | // Unmark a pointer. | |
187 | static void | |
7e648cf9 | 188 | unmark_for_gc (jobject obj) |
8a922095 | 189 | { |
7e648cf9 TT |
190 | JvSynchronize sync (ref_table); |
191 | ||
192 | using namespace java::lang; | |
193 | Integer *refcount = (Integer *) ref_table->get (obj); | |
194 | JvAssert (refcount); | |
195 | jint val = refcount->intValue () - 1; | |
196 | if (val == 0) | |
197 | ref_table->remove (obj); | |
198 | else | |
b099f07d | 199 | // FIXME: what about out of memory error? |
7e648cf9 TT |
200 | ref_table->put (obj, new Integer (val)); |
201 | } | |
202 | ||
203 | \f | |
204 | ||
205 | static jobject | |
206 | _Jv_JNI_NewGlobalRef (JNIEnv *, jobject obj) | |
207 | { | |
208 | mark_for_gc (obj); | |
209 | return obj; | |
210 | } | |
211 | ||
212 | static void | |
213 | _Jv_JNI_DeleteGlobalRef (JNIEnv *, jobject obj) | |
214 | { | |
215 | unmark_for_gc (obj); | |
216 | } | |
217 | ||
218 | static void | |
219 | _Jv_JNI_DeleteLocalRef (JNIEnv *env, jobject obj) | |
220 | { | |
221 | _Jv_JNI_LocalFrame *frame; | |
222 | ||
223 | for (frame = env->locals; frame != NULL; frame = frame->next) | |
224 | { | |
225 | for (int i = 0; i < FRAME_SIZE; ++i) | |
226 | { | |
227 | if (frame->vec[i] == obj) | |
228 | { | |
229 | frame->vec[i] = NULL; | |
230 | unmark_for_gc (obj); | |
231 | return; | |
232 | } | |
233 | } | |
234 | ||
235 | // Don't go past a marked frame. | |
8d00f617 | 236 | JvAssert (frame->marker == MARK_NONE); |
7e648cf9 TT |
237 | } |
238 | ||
239 | JvAssert (0); | |
240 | } | |
241 | ||
242 | static jint | |
243 | _Jv_JNI_EnsureLocalCapacity (JNIEnv *env, jint size) | |
244 | { | |
245 | // It is easier to just always allocate a new frame of the requested | |
246 | // size. This isn't the most efficient thing, but for now we don't | |
247 | // care. Note that _Jv_JNI_PushLocalFrame relies on this right now. | |
248 | ||
b099f07d TT |
249 | _Jv_JNI_LocalFrame *frame; |
250 | try | |
7e648cf9 | 251 | { |
b099f07d TT |
252 | frame = (_Jv_JNI_LocalFrame *) _Jv_Malloc (sizeof (_Jv_JNI_LocalFrame) |
253 | + size * sizeof (jobject)); | |
254 | } | |
255 | catch (jthrowable t) | |
256 | { | |
257 | env->ex = t; | |
aaf0766e | 258 | return JNI_ERR; |
7e648cf9 TT |
259 | } |
260 | ||
8d00f617 | 261 | frame->marker = MARK_NONE; |
7e648cf9 TT |
262 | frame->size = size; |
263 | memset (&frame->vec[0], 0, size * sizeof (jobject)); | |
264 | frame->next = env->locals; | |
265 | env->locals = frame; | |
266 | ||
267 | return 0; | |
268 | } | |
269 | ||
270 | static jint | |
271 | _Jv_JNI_PushLocalFrame (JNIEnv *env, jint size) | |
272 | { | |
273 | jint r = _Jv_JNI_EnsureLocalCapacity (env, size); | |
274 | if (r < 0) | |
275 | return r; | |
276 | ||
277 | // The new frame is on top. | |
8d00f617 | 278 | env->locals->marker = MARK_USER; |
7e648cf9 TT |
279 | |
280 | return 0; | |
281 | } | |
282 | ||
283 | static jobject | |
284 | _Jv_JNI_NewLocalRef (JNIEnv *env, jobject obj) | |
285 | { | |
286 | // Try to find an open slot somewhere in the topmost frame. | |
287 | _Jv_JNI_LocalFrame *frame = env->locals; | |
288 | bool done = false, set = false; | |
289 | while (frame != NULL && ! done) | |
290 | { | |
291 | for (int i = 0; i < frame->size; ++i) | |
292 | if (frame->vec[i] == NULL) | |
293 | { | |
294 | set = true; | |
295 | done = true; | |
296 | frame->vec[i] = obj; | |
297 | break; | |
298 | } | |
299 | } | |
300 | ||
301 | if (! set) | |
302 | { | |
303 | // No slots, so we allocate a new frame. According to the spec | |
304 | // we could just die here. FIXME: return value. | |
305 | _Jv_JNI_EnsureLocalCapacity (env, 16); | |
306 | // We know the first element of the new frame will be ok. | |
307 | env->locals->vec[0] = obj; | |
308 | } | |
309 | ||
310 | mark_for_gc (obj); | |
311 | return obj; | |
312 | } | |
313 | ||
314 | static jobject | |
8d00f617 | 315 | _Jv_JNI_PopLocalFrame (JNIEnv *env, jobject result, int stop) |
7e648cf9 TT |
316 | { |
317 | _Jv_JNI_LocalFrame *rf = env->locals; | |
318 | ||
319 | bool done = false; | |
320 | while (rf != NULL && ! done) | |
321 | { | |
322 | for (int i = 0; i < rf->size; ++i) | |
323 | if (rf->vec[i] != NULL) | |
324 | unmark_for_gc (rf->vec[i]); | |
325 | ||
326 | // If the frame we just freed is the marker frame, we are done. | |
8d00f617 | 327 | done = (rf->marker == stop); |
7e648cf9 TT |
328 | |
329 | _Jv_JNI_LocalFrame *n = rf->next; | |
330 | // When N==NULL, we've reached the stack-allocated frame, and we | |
331 | // must not free it. However, we must be sure to clear all its | |
332 | // elements, since we might conceivably reuse it. | |
333 | if (n == NULL) | |
ee7f72e4 TT |
334 | { |
335 | memset (&rf->vec[0], 0, rf->size * sizeof (jobject)); | |
336 | break; | |
337 | } | |
338 | ||
339 | _Jv_Free (rf); | |
7e648cf9 TT |
340 | rf = n; |
341 | } | |
342 | ||
343 | return result == NULL ? NULL : _Jv_JNI_NewLocalRef (env, result); | |
8a922095 TT |
344 | } |
345 | ||
8d00f617 TT |
346 | static jobject |
347 | _Jv_JNI_PopLocalFrame (JNIEnv *env, jobject result) | |
348 | { | |
349 | return _Jv_JNI_PopLocalFrame (env, result, MARK_USER); | |
350 | } | |
351 | ||
352 | // Pop a `system' frame from the stack. This is `extern "C"' as it is | |
353 | // used by the compiler. | |
354 | extern "C" void | |
355 | _Jv_JNI_PopSystemFrame (JNIEnv *env) | |
356 | { | |
357 | _Jv_JNI_PopLocalFrame (env, NULL, MARK_SYSTEM); | |
4e2d1dbd TT |
358 | |
359 | if (env->ex) | |
360 | throw env->ex; | |
8d00f617 TT |
361 | } |
362 | ||
ee7f72e4 TT |
363 | // This function is used from other template functions. It wraps the |
364 | // return value appropriately; we specialize it so that object returns | |
365 | // are turned into local references. | |
366 | template<typename T> | |
367 | static T | |
368 | wrap_value (JNIEnv *, T value) | |
369 | { | |
370 | return value; | |
371 | } | |
372 | ||
373 | template<> | |
374 | static jobject | |
375 | wrap_value (JNIEnv *env, jobject value) | |
376 | { | |
278abd28 | 377 | return value == NULL ? value : _Jv_JNI_NewLocalRef (env, value); |
ee7f72e4 TT |
378 | } |
379 | ||
8a922095 TT |
380 | \f |
381 | ||
382 | static jint | |
383 | _Jv_JNI_GetVersion (JNIEnv *) | |
384 | { | |
385 | return JNI_VERSION_1_2; | |
386 | } | |
ee9dd372 | 387 | |
355dff4c | 388 | static jclass |
7e648cf9 | 389 | _Jv_JNI_DefineClass (JNIEnv *env, jobject loader, |
355dff4c TT |
390 | const jbyte *buf, jsize bufLen) |
391 | { | |
b099f07d TT |
392 | try |
393 | { | |
394 | jbyteArray bytes = JvNewByteArray (bufLen); | |
355dff4c | 395 | |
b099f07d TT |
396 | jbyte *elts = elements (bytes); |
397 | memcpy (elts, buf, bufLen * sizeof (jbyte)); | |
355dff4c | 398 | |
b099f07d TT |
399 | java::lang::ClassLoader *l |
400 | = reinterpret_cast<java::lang::ClassLoader *> (loader); | |
401 | ||
402 | jclass result = l->defineClass (bytes, 0, bufLen); | |
403 | return (jclass) wrap_value (env, result); | |
404 | } | |
405 | catch (jthrowable t) | |
406 | { | |
407 | env->ex = t; | |
408 | return NULL; | |
409 | } | |
355dff4c TT |
410 | } |
411 | ||
412 | static jclass | |
413 | _Jv_JNI_FindClass (JNIEnv *env, const char *name) | |
414 | { | |
415 | // FIXME: assume that NAME isn't too long. | |
416 | int len = strlen (name); | |
417 | char s[len + 1]; | |
418 | for (int i = 0; i <= len; ++i) | |
419 | s[i] = (name[i] == '/') ? '.' : name[i]; | |
355dff4c | 420 | |
b099f07d TT |
421 | jclass r = NULL; |
422 | try | |
355dff4c | 423 | { |
b099f07d TT |
424 | // This might throw an out of memory exception. |
425 | jstring n = JvNewStringUTF (s); | |
426 | ||
427 | java::lang::ClassLoader *loader; | |
428 | if (env->klass == NULL) | |
429 | { | |
430 | // FIXME: should use getBaseClassLoader, but we don't have that | |
431 | // yet. | |
432 | loader = java::lang::ClassLoader::getSystemClassLoader (); | |
433 | } | |
434 | else | |
435 | loader = env->klass->getClassLoader (); | |
355dff4c | 436 | |
b099f07d TT |
437 | r = loader->loadClass (n); |
438 | } | |
439 | catch (jthrowable t) | |
440 | { | |
441 | env->ex = t; | |
442 | } | |
355dff4c | 443 | |
278abd28 | 444 | return (jclass) wrap_value (env, r); |
355dff4c TT |
445 | } |
446 | ||
ee9dd372 | 447 | static jclass |
7e648cf9 | 448 | _Jv_JNI_GetSuperclass (JNIEnv *env, jclass clazz) |
ee9dd372 | 449 | { |
278abd28 | 450 | return (jclass) wrap_value (env, clazz->getSuperclass ()); |
ee9dd372 TT |
451 | } |
452 | ||
453 | static jboolean | |
355dff4c | 454 | _Jv_JNI_IsAssignableFrom(JNIEnv *, jclass clazz1, jclass clazz2) |
ee9dd372 TT |
455 | { |
456 | return clazz1->isAssignableFrom (clazz2); | |
457 | } | |
458 | ||
8a922095 TT |
459 | static jint |
460 | _Jv_JNI_Throw (JNIEnv *env, jthrowable obj) | |
461 | { | |
278abd28 TT |
462 | // We check in case the user did some funky cast. |
463 | JvAssert (obj != NULL && (&ThrowableClass)->isInstance (obj)); | |
355dff4c | 464 | env->ex = obj; |
8a922095 TT |
465 | return 0; |
466 | } | |
467 | ||
468 | static jint | |
469 | _Jv_JNI_ThrowNew (JNIEnv *env, jclass clazz, const char *message) | |
470 | { | |
471 | using namespace java::lang::reflect; | |
472 | ||
278abd28 TT |
473 | JvAssert ((&ThrowableClass)->isAssignableFrom (clazz)); |
474 | ||
b099f07d TT |
475 | int r = JNI_OK; |
476 | try | |
477 | { | |
478 | JArray<jclass> *argtypes | |
479 | = (JArray<jclass> *) JvNewObjectArray (1, &ClassClass, NULL); | |
8a922095 | 480 | |
b099f07d TT |
481 | jclass *elts = elements (argtypes); |
482 | elts[0] = &StringClass; | |
8a922095 | 483 | |
b099f07d | 484 | Constructor *cons = clazz->getConstructor (argtypes); |
8a922095 | 485 | |
b099f07d TT |
486 | jobjectArray values = JvNewObjectArray (1, &StringClass, NULL); |
487 | jobject *velts = elements (values); | |
488 | velts[0] = JvNewStringUTF (message); | |
8a922095 | 489 | |
b099f07d | 490 | jobject obj = cons->newInstance (values); |
8a922095 | 491 | |
b099f07d TT |
492 | env->ex = reinterpret_cast<jthrowable> (obj); |
493 | } | |
494 | catch (jthrowable t) | |
495 | { | |
496 | env->ex = t; | |
497 | r = JNI_ERR; | |
498 | } | |
499 | ||
500 | return r; | |
8a922095 TT |
501 | } |
502 | ||
503 | static jthrowable | |
504 | _Jv_JNI_ExceptionOccurred (JNIEnv *env) | |
505 | { | |
278abd28 | 506 | return (jthrowable) wrap_value (env, env->ex); |
8a922095 TT |
507 | } |
508 | ||
509 | static void | |
510 | _Jv_JNI_ExceptionDescribe (JNIEnv *env) | |
511 | { | |
355dff4c TT |
512 | if (env->ex != NULL) |
513 | env->ex->printStackTrace(); | |
8a922095 TT |
514 | } |
515 | ||
516 | static void | |
517 | _Jv_JNI_ExceptionClear (JNIEnv *env) | |
518 | { | |
355dff4c TT |
519 | env->ex = NULL; |
520 | } | |
521 | ||
522 | static jboolean | |
523 | _Jv_JNI_ExceptionCheck (JNIEnv *env) | |
524 | { | |
525 | return env->ex != NULL; | |
8a922095 TT |
526 | } |
527 | ||
528 | static void | |
529 | _Jv_JNI_FatalError (JNIEnv *, const char *message) | |
530 | { | |
531 | JvFail (message); | |
532 | } | |
533 | ||
7e648cf9 TT |
534 | \f |
535 | ||
8a922095 TT |
536 | static jboolean |
537 | _Jv_JNI_IsSameObject (JNIEnv *, jobject obj1, jobject obj2) | |
538 | { | |
539 | return obj1 == obj2; | |
540 | } | |
541 | ||
ee9dd372 | 542 | static jobject |
8a922095 | 543 | _Jv_JNI_AllocObject (JNIEnv *env, jclass clazz) |
ee9dd372 | 544 | { |
8a922095 TT |
545 | jobject obj = NULL; |
546 | using namespace java::lang::reflect; | |
278abd28 | 547 | |
b099f07d TT |
548 | try |
549 | { | |
550 | JvAssert (clazz && ! clazz->isArray ()); | |
551 | if (clazz->isInterface() || Modifier::isAbstract(clazz->getModifiers())) | |
552 | env->ex = new java::lang::InstantiationException (); | |
553 | else | |
554 | { | |
555 | // FIXME: will this work for String? | |
556 | obj = JvAllocObject (clazz); | |
557 | } | |
558 | } | |
559 | catch (jthrowable t) | |
8a922095 | 560 | { |
b099f07d | 561 | env->ex = t; |
8a922095 TT |
562 | } |
563 | ||
278abd28 | 564 | return wrap_value (env, obj); |
ee9dd372 TT |
565 | } |
566 | ||
8a922095 | 567 | static jclass |
7e648cf9 | 568 | _Jv_JNI_GetObjectClass (JNIEnv *env, jobject obj) |
ee9dd372 | 569 | { |
278abd28 TT |
570 | JvAssert (obj); |
571 | return (jclass) wrap_value (env, obj->getClass()); | |
ee9dd372 TT |
572 | } |
573 | ||
8a922095 TT |
574 | static jboolean |
575 | _Jv_JNI_IsInstanceOf (JNIEnv *, jobject obj, jclass clazz) | |
ee9dd372 | 576 | { |
8a922095 | 577 | return clazz->isInstance(obj); |
ee9dd372 TT |
578 | } |
579 | ||
8a922095 TT |
580 | \f |
581 | ||
582 | // | |
583 | // This section concerns method invocation. | |
584 | // | |
585 | ||
586 | template<jboolean is_static> | |
587 | static jmethodID | |
588 | _Jv_JNI_GetAnyMethodID (JNIEnv *env, jclass clazz, | |
589 | const char *name, const char *sig) | |
ee9dd372 | 590 | { |
b099f07d TT |
591 | try |
592 | { | |
593 | _Jv_InitClass (clazz); | |
8a922095 | 594 | |
b099f07d TT |
595 | _Jv_Utf8Const *name_u = _Jv_makeUtf8Const ((char *) name, -1); |
596 | _Jv_Utf8Const *sig_u = _Jv_makeUtf8Const ((char *) sig, -1); | |
8a922095 | 597 | |
b099f07d | 598 | JvAssert (! clazz->isPrimitive()); |
8a922095 | 599 | |
b099f07d | 600 | using namespace java::lang::reflect; |
8a922095 | 601 | |
b099f07d | 602 | while (clazz != NULL) |
8a922095 | 603 | { |
b099f07d TT |
604 | jint count = JvNumMethods (clazz); |
605 | jmethodID meth = JvGetFirstMethod (clazz); | |
606 | ||
607 | for (jint i = 0; i < count; ++i) | |
608 | { | |
609 | if (((is_static && Modifier::isStatic (meth->accflags)) | |
610 | || (! is_static && ! Modifier::isStatic (meth->accflags))) | |
611 | && _Jv_equalUtf8Consts (meth->name, name_u) | |
612 | && _Jv_equalUtf8Consts (meth->signature, sig_u)) | |
613 | return meth; | |
614 | ||
615 | meth = meth->getNextMethod(); | |
616 | } | |
8a922095 | 617 | |
b099f07d | 618 | clazz = clazz->getSuperclass (); |
8a922095 TT |
619 | } |
620 | ||
b099f07d TT |
621 | env->ex = new java::lang::NoSuchMethodError (); |
622 | } | |
623 | catch (jthrowable t) | |
624 | { | |
625 | env->ex = t; | |
8a922095 TT |
626 | } |
627 | ||
8a922095 TT |
628 | return NULL; |
629 | } | |
630 | ||
631 | // This is a helper function which turns a va_list into an array of | |
632 | // `jvalue's. It needs signature information in order to do its work. | |
633 | // The array of values must already be allocated. | |
634 | static void | |
635 | array_from_valist (jvalue *values, JArray<jclass> *arg_types, va_list vargs) | |
636 | { | |
637 | jclass *arg_elts = elements (arg_types); | |
638 | for (int i = 0; i < arg_types->length; ++i) | |
639 | { | |
640 | if (arg_elts[i] == JvPrimClass (byte)) | |
641 | values[i].b = va_arg (vargs, jbyte); | |
642 | else if (arg_elts[i] == JvPrimClass (short)) | |
643 | values[i].s = va_arg (vargs, jshort); | |
644 | else if (arg_elts[i] == JvPrimClass (int)) | |
645 | values[i].i = va_arg (vargs, jint); | |
646 | else if (arg_elts[i] == JvPrimClass (long)) | |
647 | values[i].j = va_arg (vargs, jlong); | |
648 | else if (arg_elts[i] == JvPrimClass (float)) | |
649 | values[i].f = va_arg (vargs, jfloat); | |
650 | else if (arg_elts[i] == JvPrimClass (double)) | |
651 | values[i].d = va_arg (vargs, jdouble); | |
652 | else if (arg_elts[i] == JvPrimClass (boolean)) | |
653 | values[i].z = va_arg (vargs, jboolean); | |
654 | else if (arg_elts[i] == JvPrimClass (char)) | |
655 | values[i].c = va_arg (vargs, jchar); | |
656 | else | |
657 | { | |
658 | // An object. | |
659 | values[i].l = va_arg (vargs, jobject); | |
660 | } | |
661 | } | |
662 | } | |
663 | ||
664 | // This can call any sort of method: virtual, "nonvirtual", static, or | |
665 | // constructor. | |
666 | template<typename T, invocation_type style> | |
667 | static T | |
668 | _Jv_JNI_CallAnyMethodV (JNIEnv *env, jobject obj, jclass klass, | |
669 | jmethodID id, va_list vargs) | |
670 | { | |
671 | if (style == normal) | |
672 | id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature); | |
673 | ||
674 | jclass decl_class = klass ? klass : obj->getClass (); | |
675 | JvAssert (decl_class != NULL); | |
676 | ||
677 | jclass return_type; | |
678 | JArray<jclass> *arg_types; | |
8a922095 | 679 | |
b099f07d TT |
680 | try |
681 | { | |
682 | _Jv_GetTypesFromSignature (id, decl_class, | |
683 | &arg_types, &return_type); | |
684 | ||
685 | jvalue args[arg_types->length]; | |
686 | array_from_valist (args, arg_types, vargs); | |
8a922095 | 687 | |
b099f07d TT |
688 | // For constructors we need to pass the Class we are instantiating. |
689 | if (style == constructor) | |
690 | return_type = klass; | |
1adbc4d8 | 691 | |
b099f07d TT |
692 | jvalue result; |
693 | jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id, | |
694 | style == constructor, | |
695 | arg_types, args, &result); | |
8a922095 | 696 | |
b099f07d TT |
697 | if (ex != NULL) |
698 | env->ex = ex; | |
8a922095 | 699 | |
b099f07d TT |
700 | // We cheat a little here. FIXME. |
701 | return wrap_value (env, * (T *) &result); | |
702 | } | |
703 | catch (jthrowable t) | |
704 | { | |
705 | env->ex = t; | |
706 | } | |
707 | ||
708 | return wrap_value (env, (T) 0); | |
8a922095 TT |
709 | } |
710 | ||
711 | template<typename T, invocation_type style> | |
712 | static T | |
713 | _Jv_JNI_CallAnyMethod (JNIEnv *env, jobject obj, jclass klass, | |
714 | jmethodID method, ...) | |
715 | { | |
716 | va_list args; | |
717 | T result; | |
718 | ||
719 | va_start (args, method); | |
720 | result = _Jv_JNI_CallAnyMethodV<T, style> (env, obj, klass, method, args); | |
721 | va_end (args); | |
722 | ||
723 | return result; | |
724 | } | |
725 | ||
726 | template<typename T, invocation_type style> | |
727 | static T | |
728 | _Jv_JNI_CallAnyMethodA (JNIEnv *env, jobject obj, jclass klass, | |
729 | jmethodID id, jvalue *args) | |
730 | { | |
731 | if (style == normal) | |
732 | id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature); | |
733 | ||
734 | jclass decl_class = klass ? klass : obj->getClass (); | |
735 | JvAssert (decl_class != NULL); | |
736 | ||
737 | jclass return_type; | |
738 | JArray<jclass> *arg_types; | |
b099f07d TT |
739 | try |
740 | { | |
741 | _Jv_GetTypesFromSignature (id, decl_class, | |
742 | &arg_types, &return_type); | |
8a922095 | 743 | |
b099f07d TT |
744 | // For constructors we need to pass the Class we are instantiating. |
745 | if (style == constructor) | |
746 | return_type = klass; | |
1adbc4d8 | 747 | |
b099f07d TT |
748 | jvalue result; |
749 | jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id, | |
750 | style == constructor, | |
751 | arg_types, args, &result); | |
8a922095 | 752 | |
b099f07d TT |
753 | if (ex != NULL) |
754 | env->ex = ex; | |
8a922095 | 755 | |
b099f07d TT |
756 | // We cheat a little here. FIXME. |
757 | return wrap_value (env, * (T *) &result); | |
758 | } | |
759 | catch (jthrowable t) | |
760 | { | |
761 | env->ex = t; | |
762 | } | |
763 | ||
764 | return wrap_value (env, (T) 0); | |
8a922095 TT |
765 | } |
766 | ||
767 | template<invocation_type style> | |
768 | static void | |
769 | _Jv_JNI_CallAnyVoidMethodV (JNIEnv *env, jobject obj, jclass klass, | |
770 | jmethodID id, va_list vargs) | |
771 | { | |
772 | if (style == normal) | |
773 | id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature); | |
774 | ||
775 | jclass decl_class = klass ? klass : obj->getClass (); | |
776 | JvAssert (decl_class != NULL); | |
777 | ||
778 | jclass return_type; | |
779 | JArray<jclass> *arg_types; | |
b099f07d TT |
780 | try |
781 | { | |
782 | _Jv_GetTypesFromSignature (id, decl_class, | |
783 | &arg_types, &return_type); | |
8a922095 | 784 | |
b099f07d TT |
785 | jvalue args[arg_types->length]; |
786 | array_from_valist (args, arg_types, vargs); | |
8a922095 | 787 | |
b099f07d TT |
788 | // For constructors we need to pass the Class we are instantiating. |
789 | if (style == constructor) | |
790 | return_type = klass; | |
1adbc4d8 | 791 | |
b099f07d TT |
792 | jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id, |
793 | style == constructor, | |
794 | arg_types, args, NULL); | |
8a922095 | 795 | |
b099f07d TT |
796 | if (ex != NULL) |
797 | env->ex = ex; | |
798 | } | |
799 | catch (jthrowable t) | |
800 | { | |
801 | env->ex = t; | |
802 | } | |
8a922095 TT |
803 | } |
804 | ||
805 | template<invocation_type style> | |
806 | static void | |
807 | _Jv_JNI_CallAnyVoidMethod (JNIEnv *env, jobject obj, jclass klass, | |
808 | jmethodID method, ...) | |
809 | { | |
810 | va_list args; | |
811 | ||
812 | va_start (args, method); | |
813 | _Jv_JNI_CallAnyVoidMethodV<style> (env, obj, klass, method, args); | |
814 | va_end (args); | |
815 | } | |
816 | ||
817 | template<invocation_type style> | |
818 | static void | |
819 | _Jv_JNI_CallAnyVoidMethodA (JNIEnv *env, jobject obj, jclass klass, | |
820 | jmethodID id, jvalue *args) | |
821 | { | |
822 | if (style == normal) | |
823 | id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature); | |
824 | ||
825 | jclass decl_class = klass ? klass : obj->getClass (); | |
826 | JvAssert (decl_class != NULL); | |
827 | ||
828 | jclass return_type; | |
829 | JArray<jclass> *arg_types; | |
b099f07d TT |
830 | try |
831 | { | |
832 | _Jv_GetTypesFromSignature (id, decl_class, | |
833 | &arg_types, &return_type); | |
8a922095 | 834 | |
b099f07d TT |
835 | jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id, |
836 | style == constructor, | |
837 | arg_types, args, NULL); | |
8a922095 | 838 | |
b099f07d TT |
839 | if (ex != NULL) |
840 | env->ex = ex; | |
841 | } | |
842 | catch (jthrowable t) | |
843 | { | |
844 | env->ex = t; | |
845 | } | |
8a922095 TT |
846 | } |
847 | ||
848 | // Functions with this signature are used to implement functions in | |
849 | // the CallMethod family. | |
850 | template<typename T> | |
851 | static T | |
852 | _Jv_JNI_CallMethodV (JNIEnv *env, jobject obj, jmethodID id, va_list args) | |
853 | { | |
854 | return _Jv_JNI_CallAnyMethodV<T, normal> (env, obj, NULL, id, args); | |
855 | } | |
856 | ||
857 | // Functions with this signature are used to implement functions in | |
858 | // the CallMethod family. | |
859 | template<typename T> | |
860 | static T | |
861 | _Jv_JNI_CallMethod (JNIEnv *env, jobject obj, jmethodID id, ...) | |
862 | { | |
863 | va_list args; | |
864 | T result; | |
865 | ||
866 | va_start (args, id); | |
867 | result = _Jv_JNI_CallAnyMethodV<T, normal> (env, obj, NULL, id, args); | |
868 | va_end (args); | |
869 | ||
870 | return result; | |
871 | } | |
872 | ||
873 | // Functions with this signature are used to implement functions in | |
874 | // the CallMethod family. | |
875 | template<typename T> | |
876 | static T | |
877 | _Jv_JNI_CallMethodA (JNIEnv *env, jobject obj, jmethodID id, jvalue *args) | |
878 | { | |
879 | return _Jv_JNI_CallAnyMethodA<T, normal> (env, obj, NULL, id, args); | |
880 | } | |
881 | ||
882 | static void | |
883 | _Jv_JNI_CallVoidMethodV (JNIEnv *env, jobject obj, jmethodID id, va_list args) | |
884 | { | |
885 | _Jv_JNI_CallAnyVoidMethodV<normal> (env, obj, NULL, id, args); | |
886 | } | |
887 | ||
888 | static void | |
889 | _Jv_JNI_CallVoidMethod (JNIEnv *env, jobject obj, jmethodID id, ...) | |
890 | { | |
891 | va_list args; | |
892 | ||
893 | va_start (args, id); | |
894 | _Jv_JNI_CallAnyVoidMethodV<normal> (env, obj, NULL, id, args); | |
895 | va_end (args); | |
ee9dd372 TT |
896 | } |
897 | ||
8a922095 TT |
898 | static void |
899 | _Jv_JNI_CallVoidMethodA (JNIEnv *env, jobject obj, jmethodID id, jvalue *args) | |
ee9dd372 | 900 | { |
8a922095 TT |
901 | _Jv_JNI_CallAnyVoidMethodA<normal> (env, obj, NULL, id, args); |
902 | } | |
903 | ||
904 | // Functions with this signature are used to implement functions in | |
905 | // the CallStaticMethod family. | |
906 | template<typename T> | |
907 | static T | |
908 | _Jv_JNI_CallStaticMethodV (JNIEnv *env, jclass klass, | |
909 | jmethodID id, va_list args) | |
910 | { | |
5ef57049 TT |
911 | JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC)); |
912 | JvAssert ((&ClassClass)->isInstance (klass)); | |
913 | ||
8a922095 TT |
914 | return _Jv_JNI_CallAnyMethodV<T, static_type> (env, NULL, klass, id, args); |
915 | } | |
916 | ||
917 | // Functions with this signature are used to implement functions in | |
918 | // the CallStaticMethod family. | |
919 | template<typename T> | |
920 | static T | |
921 | _Jv_JNI_CallStaticMethod (JNIEnv *env, jclass klass, jmethodID id, ...) | |
922 | { | |
923 | va_list args; | |
924 | T result; | |
925 | ||
5ef57049 TT |
926 | JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC)); |
927 | JvAssert ((&ClassClass)->isInstance (klass)); | |
928 | ||
8a922095 TT |
929 | va_start (args, id); |
930 | result = _Jv_JNI_CallAnyMethodV<T, static_type> (env, NULL, klass, | |
931 | id, args); | |
932 | va_end (args); | |
933 | ||
934 | return result; | |
935 | } | |
936 | ||
937 | // Functions with this signature are used to implement functions in | |
938 | // the CallStaticMethod family. | |
939 | template<typename T> | |
940 | static T | |
941 | _Jv_JNI_CallStaticMethodA (JNIEnv *env, jclass klass, jmethodID id, | |
942 | jvalue *args) | |
943 | { | |
5ef57049 TT |
944 | JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC)); |
945 | JvAssert ((&ClassClass)->isInstance (klass)); | |
946 | ||
8a922095 TT |
947 | return _Jv_JNI_CallAnyMethodA<T, static_type> (env, NULL, klass, id, args); |
948 | } | |
949 | ||
950 | static void | |
951 | _Jv_JNI_CallStaticVoidMethodV (JNIEnv *env, jclass klass, jmethodID id, | |
952 | va_list args) | |
953 | { | |
954 | _Jv_JNI_CallAnyVoidMethodV<static_type> (env, NULL, klass, id, args); | |
955 | } | |
956 | ||
957 | static void | |
958 | _Jv_JNI_CallStaticVoidMethod (JNIEnv *env, jclass klass, jmethodID id, ...) | |
959 | { | |
960 | va_list args; | |
961 | ||
962 | va_start (args, id); | |
963 | _Jv_JNI_CallAnyVoidMethodV<static_type> (env, NULL, klass, id, args); | |
964 | va_end (args); | |
965 | } | |
966 | ||
967 | static void | |
968 | _Jv_JNI_CallStaticVoidMethodA (JNIEnv *env, jclass klass, jmethodID id, | |
969 | jvalue *args) | |
970 | { | |
971 | _Jv_JNI_CallAnyVoidMethodA<static_type> (env, NULL, klass, id, args); | |
972 | } | |
973 | ||
974 | static jobject | |
975 | _Jv_JNI_NewObjectV (JNIEnv *env, jclass klass, | |
976 | jmethodID id, va_list args) | |
977 | { | |
278abd28 TT |
978 | JvAssert (klass && ! klass->isArray ()); |
979 | JvAssert (! strcmp (id->name->data, "<init>") | |
1adbc4d8 TT |
980 | && id->signature->length > 2 |
981 | && id->signature->data[0] == '(' | |
982 | && ! strcmp (&id->signature->data[id->signature->length - 2], | |
983 | ")V")); | |
984 | ||
8a922095 TT |
985 | return _Jv_JNI_CallAnyMethodV<jobject, constructor> (env, NULL, klass, |
986 | id, args); | |
987 | } | |
988 | ||
989 | static jobject | |
990 | _Jv_JNI_NewObject (JNIEnv *env, jclass klass, jmethodID id, ...) | |
991 | { | |
278abd28 TT |
992 | JvAssert (klass && ! klass->isArray ()); |
993 | JvAssert (! strcmp (id->name->data, "<init>") | |
1adbc4d8 TT |
994 | && id->signature->length > 2 |
995 | && id->signature->data[0] == '(' | |
996 | && ! strcmp (&id->signature->data[id->signature->length - 2], | |
997 | ")V")); | |
278abd28 | 998 | |
8a922095 TT |
999 | va_list args; |
1000 | jobject result; | |
1001 | ||
1002 | va_start (args, id); | |
1003 | result = _Jv_JNI_CallAnyMethodV<jobject, constructor> (env, NULL, klass, | |
1004 | id, args); | |
1005 | va_end (args); | |
1006 | ||
1007 | return result; | |
1008 | } | |
1009 | ||
1010 | static jobject | |
1011 | _Jv_JNI_NewObjectA (JNIEnv *env, jclass klass, jmethodID id, | |
1012 | jvalue *args) | |
1013 | { | |
278abd28 TT |
1014 | JvAssert (klass && ! klass->isArray ()); |
1015 | JvAssert (! strcmp (id->name->data, "<init>") | |
1adbc4d8 TT |
1016 | && id->signature->length > 2 |
1017 | && id->signature->data[0] == '(' | |
1018 | && ! strcmp (&id->signature->data[id->signature->length - 2], | |
1019 | ")V")); | |
1020 | ||
8a922095 TT |
1021 | return _Jv_JNI_CallAnyMethodA<jobject, constructor> (env, NULL, klass, |
1022 | id, args); | |
1023 | } | |
1024 | ||
1025 | \f | |
1026 | ||
1027 | template<typename T> | |
1028 | static T | |
ee7f72e4 | 1029 | _Jv_JNI_GetField (JNIEnv *env, jobject obj, jfieldID field) |
8a922095 | 1030 | { |
278abd28 | 1031 | JvAssert (obj); |
8a922095 | 1032 | T *ptr = (T *) ((char *) obj + field->getOffset ()); |
ee7f72e4 | 1033 | return wrap_value (env, *ptr); |
5dc489c1 TT |
1034 | } |
1035 | ||
8a922095 TT |
1036 | template<typename T> |
1037 | static void | |
1038 | _Jv_JNI_SetField (JNIEnv *, jobject obj, jfieldID field, T value) | |
1039 | { | |
278abd28 | 1040 | JvAssert (obj); |
8a922095 TT |
1041 | T *ptr = (T *) ((char *) obj + field->getOffset ()); |
1042 | *ptr = value; | |
1043 | } | |
1044 | ||
1045 | template<jboolean is_static> | |
1046 | static jfieldID | |
1047 | _Jv_JNI_GetAnyFieldID (JNIEnv *env, jclass clazz, | |
1048 | const char *name, const char *sig) | |
1049 | { | |
b099f07d TT |
1050 | try |
1051 | { | |
1052 | _Jv_InitClass (clazz); | |
8a922095 | 1053 | |
b099f07d | 1054 | _Jv_Utf8Const *a_name = _Jv_makeUtf8Const ((char *) name, -1); |
8a922095 | 1055 | |
b099f07d TT |
1056 | jclass field_class = NULL; |
1057 | if (sig[0] == '[') | |
1058 | field_class = _Jv_FindClassFromSignature ((char *) sig, NULL); | |
1059 | else | |
1060 | { | |
1061 | _Jv_Utf8Const *sig_u = _Jv_makeUtf8Const ((char *) sig, -1); | |
1062 | field_class = _Jv_FindClass (sig_u, NULL); | |
1063 | } | |
8a922095 | 1064 | |
b099f07d | 1065 | // FIXME: what if field_class == NULL? |
8a922095 | 1066 | |
b099f07d | 1067 | while (clazz != NULL) |
8a922095 | 1068 | { |
b099f07d TT |
1069 | jint count = (is_static |
1070 | ? JvNumStaticFields (clazz) | |
1071 | : JvNumInstanceFields (clazz)); | |
1072 | jfieldID field = (is_static | |
1073 | ? JvGetFirstStaticField (clazz) | |
1074 | : JvGetFirstInstanceField (clazz)); | |
1075 | for (jint i = 0; i < count; ++i) | |
1076 | { | |
1077 | // The field is resolved as a side effect of class | |
1078 | // initialization. | |
1079 | JvAssert (field->isResolved ()); | |
8a922095 | 1080 | |
b099f07d | 1081 | _Jv_Utf8Const *f_name = field->getNameUtf8Const(clazz); |
8a922095 | 1082 | |
b099f07d TT |
1083 | if (_Jv_equalUtf8Consts (f_name, a_name) |
1084 | && field->getClass() == field_class) | |
1085 | return field; | |
8a922095 | 1086 | |
b099f07d TT |
1087 | field = field->getNextField (); |
1088 | } | |
1089 | ||
1090 | clazz = clazz->getSuperclass (); | |
8a922095 TT |
1091 | } |
1092 | ||
b099f07d TT |
1093 | env->ex = new java::lang::NoSuchFieldError (); |
1094 | } | |
1095 | catch (jthrowable t) | |
1096 | { | |
1097 | env->ex = t; | |
8a922095 | 1098 | } |
8a922095 TT |
1099 | return NULL; |
1100 | } | |
1101 | ||
1102 | template<typename T> | |
1103 | static T | |
ee7f72e4 | 1104 | _Jv_JNI_GetStaticField (JNIEnv *env, jclass, jfieldID field) |
8a922095 TT |
1105 | { |
1106 | T *ptr = (T *) field->u.addr; | |
ee7f72e4 | 1107 | return wrap_value (env, *ptr); |
5dc489c1 TT |
1108 | } |
1109 | ||
8a922095 TT |
1110 | template<typename T> |
1111 | static void | |
1112 | _Jv_JNI_SetStaticField (JNIEnv *, jclass, jfieldID field, T value) | |
1113 | { | |
1114 | T *ptr = (T *) field->u.addr; | |
1115 | *ptr = value; | |
1116 | } | |
1117 | ||
1118 | static jstring | |
7e648cf9 | 1119 | _Jv_JNI_NewString (JNIEnv *env, const jchar *unichars, jsize len) |
8a922095 | 1120 | { |
b099f07d TT |
1121 | try |
1122 | { | |
1123 | jstring r = _Jv_NewString (unichars, len); | |
1124 | return (jstring) wrap_value (env, r); | |
1125 | } | |
1126 | catch (jthrowable t) | |
1127 | { | |
1128 | env->ex = t; | |
1129 | return NULL; | |
1130 | } | |
ee9dd372 TT |
1131 | } |
1132 | ||
1133 | static jsize | |
1134 | _Jv_JNI_GetStringLength (JNIEnv *, jstring string) | |
1135 | { | |
1136 | return string->length(); | |
1137 | } | |
1138 | ||
8a922095 TT |
1139 | static const jchar * |
1140 | _Jv_JNI_GetStringChars (JNIEnv *, jstring string, jboolean *isCopy) | |
1141 | { | |
1142 | jchar *result = _Jv_GetStringChars (string); | |
7e648cf9 | 1143 | mark_for_gc (string); |
8a922095 TT |
1144 | if (isCopy) |
1145 | *isCopy = false; | |
1146 | return (const jchar *) result; | |
1147 | } | |
1148 | ||
1149 | static void | |
7e648cf9 | 1150 | _Jv_JNI_ReleaseStringChars (JNIEnv *, jstring string, const jchar *) |
8a922095 | 1151 | { |
7e648cf9 | 1152 | unmark_for_gc (string); |
8a922095 TT |
1153 | } |
1154 | ||
1155 | static jstring | |
7e648cf9 | 1156 | _Jv_JNI_NewStringUTF (JNIEnv *env, const char *bytes) |
8a922095 | 1157 | { |
b099f07d TT |
1158 | try |
1159 | { | |
1160 | jstring result = JvNewStringUTF (bytes); | |
1161 | return (jstring) wrap_value (env, result); | |
1162 | } | |
1163 | catch (jthrowable t) | |
1164 | { | |
1165 | env->ex = t; | |
1166 | return NULL; | |
1167 | } | |
8a922095 TT |
1168 | } |
1169 | ||
1170 | static jsize | |
1171 | _Jv_JNI_GetStringUTFLength (JNIEnv *, jstring string) | |
1172 | { | |
1173 | return JvGetStringUTFLength (string); | |
1174 | } | |
1175 | ||
1176 | static const char * | |
b099f07d | 1177 | _Jv_JNI_GetStringUTFChars (JNIEnv *env, jstring string, jboolean *isCopy) |
8a922095 TT |
1178 | { |
1179 | jsize len = JvGetStringUTFLength (string); | |
b099f07d TT |
1180 | try |
1181 | { | |
1182 | char *r = (char *) _Jv_Malloc (len + 1); | |
1183 | JvGetStringUTFRegion (string, 0, len, r); | |
1184 | r[len] = '\0'; | |
8a922095 | 1185 | |
b099f07d TT |
1186 | if (isCopy) |
1187 | *isCopy = true; | |
8a922095 | 1188 | |
b099f07d TT |
1189 | return (const char *) r; |
1190 | } | |
1191 | catch (jthrowable t) | |
1192 | { | |
1193 | env->ex = t; | |
1194 | return NULL; | |
1195 | } | |
8a922095 TT |
1196 | } |
1197 | ||
1198 | static void | |
1199 | _Jv_JNI_ReleaseStringUTFChars (JNIEnv *, jstring, const char *utf) | |
1200 | { | |
1201 | _Jv_Free ((void *) utf); | |
1202 | } | |
1203 | ||
355dff4c TT |
1204 | static void |
1205 | _Jv_JNI_GetStringRegion (JNIEnv *env, jstring string, jsize start, jsize len, | |
1206 | jchar *buf) | |
1207 | { | |
1208 | jchar *result = _Jv_GetStringChars (string); | |
1209 | if (start < 0 || start > string->length () | |
1210 | || len < 0 || start + len > string->length ()) | |
b099f07d TT |
1211 | { |
1212 | try | |
1213 | { | |
1214 | env->ex = new java::lang::StringIndexOutOfBoundsException (); | |
1215 | } | |
1216 | catch (jthrowable t) | |
1217 | { | |
1218 | env->ex = t; | |
1219 | } | |
1220 | } | |
355dff4c TT |
1221 | else |
1222 | memcpy (buf, &result[start], len * sizeof (jchar)); | |
1223 | } | |
1224 | ||
1225 | static void | |
1226 | _Jv_JNI_GetStringUTFRegion (JNIEnv *env, jstring str, jsize start, | |
1227 | jsize len, char *buf) | |
1228 | { | |
1229 | if (start < 0 || start > str->length () | |
1230 | || len < 0 || start + len > str->length ()) | |
b099f07d TT |
1231 | { |
1232 | try | |
1233 | { | |
1234 | env->ex = new java::lang::StringIndexOutOfBoundsException (); | |
1235 | } | |
1236 | catch (jthrowable t) | |
1237 | { | |
1238 | env->ex = t; | |
1239 | } | |
1240 | } | |
355dff4c TT |
1241 | else |
1242 | _Jv_GetStringUTFRegion (str, start, len, buf); | |
1243 | } | |
1244 | ||
1245 | static const jchar * | |
1246 | _Jv_JNI_GetStringCritical (JNIEnv *, jstring str, jboolean *isCopy) | |
1247 | { | |
1248 | jchar *result = _Jv_GetStringChars (str); | |
1249 | if (isCopy) | |
1250 | *isCopy = false; | |
1251 | return result; | |
1252 | } | |
1253 | ||
1254 | static void | |
1255 | _Jv_JNI_ReleaseStringCritical (JNIEnv *, jstring, const jchar *) | |
1256 | { | |
1257 | // Nothing. | |
1258 | } | |
1259 | ||
8a922095 TT |
1260 | static jsize |
1261 | _Jv_JNI_GetArrayLength (JNIEnv *, jarray array) | |
1262 | { | |
1263 | return array->length; | |
1264 | } | |
1265 | ||
1266 | static jarray | |
7e648cf9 | 1267 | _Jv_JNI_NewObjectArray (JNIEnv *env, jsize length, jclass elementClass, |
8a922095 TT |
1268 | jobject init) |
1269 | { | |
b099f07d TT |
1270 | try |
1271 | { | |
1272 | jarray result = JvNewObjectArray (length, elementClass, init); | |
1273 | return (jarray) wrap_value (env, result); | |
1274 | } | |
1275 | catch (jthrowable t) | |
1276 | { | |
1277 | env->ex = t; | |
1278 | return NULL; | |
1279 | } | |
8a922095 TT |
1280 | } |
1281 | ||
1282 | static jobject | |
7e648cf9 | 1283 | _Jv_JNI_GetObjectArrayElement (JNIEnv *env, jobjectArray array, jsize index) |
8a922095 TT |
1284 | { |
1285 | jobject *elts = elements (array); | |
278abd28 | 1286 | return wrap_value (env, elts[index]); |
8a922095 TT |
1287 | } |
1288 | ||
1289 | static void | |
b099f07d | 1290 | _Jv_JNI_SetObjectArrayElement (JNIEnv *env, jobjectArray array, jsize index, |
8a922095 TT |
1291 | jobject value) |
1292 | { | |
b099f07d TT |
1293 | try |
1294 | { | |
1295 | _Jv_CheckArrayStore (array, value); | |
1296 | jobject *elts = elements (array); | |
1297 | elts[index] = value; | |
1298 | } | |
1299 | catch (jthrowable t) | |
1300 | { | |
1301 | env->ex = t; | |
1302 | } | |
8a922095 TT |
1303 | } |
1304 | ||
1305 | template<typename T, jclass K> | |
1306 | static JArray<T> * | |
7e648cf9 | 1307 | _Jv_JNI_NewPrimitiveArray (JNIEnv *env, jsize length) |
8a922095 | 1308 | { |
b099f07d TT |
1309 | try |
1310 | { | |
1311 | return (JArray<T> *) wrap_value (env, _Jv_NewPrimArray (K, length)); | |
1312 | } | |
1313 | catch (jthrowable t) | |
1314 | { | |
1315 | env->ex = t; | |
1316 | return NULL; | |
1317 | } | |
8a922095 TT |
1318 | } |
1319 | ||
1320 | template<typename T> | |
1321 | static T * | |
1322 | _Jv_JNI_GetPrimitiveArrayElements (JNIEnv *, JArray<T> *array, | |
1323 | jboolean *isCopy) | |
1324 | { | |
1325 | T *elts = elements (array); | |
1326 | if (isCopy) | |
1327 | { | |
1328 | // We elect never to copy. | |
1329 | *isCopy = false; | |
1330 | } | |
7e648cf9 | 1331 | mark_for_gc (array); |
8a922095 TT |
1332 | return elts; |
1333 | } | |
1334 | ||
1335 | template<typename T> | |
1336 | static void | |
7e648cf9 TT |
1337 | _Jv_JNI_ReleasePrimitiveArrayElements (JNIEnv *, JArray<T> *array, |
1338 | T *, jint /* mode */) | |
8a922095 TT |
1339 | { |
1340 | // Note that we ignore MODE. We can do this because we never copy | |
1341 | // the array elements. My reading of the JNI documentation is that | |
1342 | // this is an option for the implementor. | |
7e648cf9 | 1343 | unmark_for_gc (array); |
8a922095 TT |
1344 | } |
1345 | ||
1346 | template<typename T> | |
1347 | static void | |
1348 | _Jv_JNI_GetPrimitiveArrayRegion (JNIEnv *env, JArray<T> *array, | |
1349 | jsize start, jsize len, | |
1350 | T *buf) | |
1351 | { | |
1352 | if (start < 0 || len >= array->length || start + len >= array->length) | |
1353 | { | |
b099f07d TT |
1354 | try |
1355 | { | |
1356 | // FIXME: index. | |
1357 | env->ex = new java::lang::ArrayIndexOutOfBoundsException (); | |
1358 | } | |
1359 | catch (jthrowable t) | |
1360 | { | |
1361 | // Could have thown out of memory error. | |
1362 | env->ex = t; | |
1363 | } | |
8a922095 TT |
1364 | } |
1365 | else | |
1366 | { | |
1367 | T *elts = elements (array) + start; | |
1368 | memcpy (buf, elts, len * sizeof (T)); | |
1369 | } | |
1370 | } | |
1371 | ||
1372 | template<typename T> | |
1373 | static void | |
1374 | _Jv_JNI_SetPrimitiveArrayRegion (JNIEnv *env, JArray<T> *array, | |
1375 | jsize start, jsize len, T *buf) | |
1376 | { | |
1377 | if (start < 0 || len >= array->length || start + len >= array->length) | |
1378 | { | |
b099f07d TT |
1379 | try |
1380 | { | |
1381 | // FIXME: index. | |
1382 | env->ex = new java::lang::ArrayIndexOutOfBoundsException (); | |
1383 | } | |
1384 | catch (jthrowable t) | |
1385 | { | |
1386 | env->ex = t; | |
1387 | } | |
8a922095 TT |
1388 | } |
1389 | else | |
1390 | { | |
1391 | T *elts = elements (array) + start; | |
1392 | memcpy (elts, buf, len * sizeof (T)); | |
1393 | } | |
1394 | } | |
1395 | ||
355dff4c TT |
1396 | static void * |
1397 | _Jv_JNI_GetPrimitiveArrayCritical (JNIEnv *, jarray array, | |
1398 | jboolean *isCopy) | |
1399 | { | |
1400 | // FIXME: does this work? | |
1401 | jclass klass = array->getClass()->getComponentType(); | |
1402 | JvAssert (klass->isPrimitive ()); | |
1403 | char *r = _Jv_GetArrayElementFromElementType (array, klass); | |
1404 | if (isCopy) | |
1405 | *isCopy = false; | |
1406 | return r; | |
1407 | } | |
1408 | ||
1409 | static void | |
1410 | _Jv_JNI_ReleasePrimitiveArrayCritical (JNIEnv *, jarray, void *, jint) | |
1411 | { | |
1412 | // Nothing. | |
1413 | } | |
1414 | ||
8a922095 | 1415 | static jint |
b099f07d | 1416 | _Jv_JNI_MonitorEnter (JNIEnv *env, jobject obj) |
8a922095 | 1417 | { |
b099f07d TT |
1418 | try |
1419 | { | |
1420 | return _Jv_MonitorEnter (obj); | |
1421 | } | |
1422 | catch (jthrowable t) | |
1423 | { | |
1424 | env->ex = t; | |
1425 | } | |
1426 | return JNI_ERR; | |
8a922095 TT |
1427 | } |
1428 | ||
1429 | static jint | |
b099f07d | 1430 | _Jv_JNI_MonitorExit (JNIEnv *env, jobject obj) |
8a922095 | 1431 | { |
b099f07d TT |
1432 | try |
1433 | { | |
1434 | return _Jv_MonitorExit (obj); | |
1435 | } | |
1436 | catch (jthrowable t) | |
1437 | { | |
1438 | env->ex = t; | |
1439 | } | |
1440 | return JNI_ERR; | |
8a922095 TT |
1441 | } |
1442 | ||
ee9dd372 TT |
1443 | // JDK 1.2 |
1444 | jobject | |
7e648cf9 | 1445 | _Jv_JNI_ToReflectedField (JNIEnv *env, jclass cls, jfieldID fieldID, |
355dff4c | 1446 | jboolean) |
ee9dd372 | 1447 | { |
b099f07d TT |
1448 | try |
1449 | { | |
1450 | java::lang::reflect::Field *field = new java::lang::reflect::Field(); | |
1451 | field->declaringClass = cls; | |
1452 | field->offset = (char*) fieldID - (char *) cls->fields; | |
1453 | field->name = _Jv_NewStringUtf8Const (fieldID->getNameUtf8Const (cls)); | |
1454 | return wrap_value (env, field); | |
1455 | } | |
1456 | catch (jthrowable t) | |
1457 | { | |
1458 | env->ex = t; | |
1459 | } | |
1460 | return NULL; | |
ee9dd372 TT |
1461 | } |
1462 | ||
1463 | // JDK 1.2 | |
355dff4c TT |
1464 | static jfieldID |
1465 | _Jv_JNI_FromReflectedField (JNIEnv *, jobject f) | |
ee9dd372 | 1466 | { |
355dff4c TT |
1467 | using namespace java::lang::reflect; |
1468 | ||
1469 | Field *field = reinterpret_cast<Field *> (f); | |
ee9dd372 TT |
1470 | return _Jv_FromReflectedField (field); |
1471 | } | |
1472 | ||
355dff4c | 1473 | jobject |
7e648cf9 | 1474 | _Jv_JNI_ToReflectedMethod (JNIEnv *env, jclass klass, jmethodID id, |
355dff4c TT |
1475 | jboolean) |
1476 | { | |
1477 | using namespace java::lang::reflect; | |
1478 | ||
1479 | // FIXME. | |
1480 | static _Jv_Utf8Const *init_name = _Jv_makeUtf8Const ("<init>", 6); | |
1481 | ||
b099f07d TT |
1482 | jobject result = NULL; |
1483 | ||
1484 | try | |
355dff4c | 1485 | { |
b099f07d TT |
1486 | if (_Jv_equalUtf8Consts (id->name, init_name)) |
1487 | { | |
1488 | // A constructor. | |
1489 | Constructor *cons = new Constructor (); | |
1490 | cons->offset = (char *) id - (char *) &klass->methods; | |
1491 | cons->declaringClass = klass; | |
1492 | result = cons; | |
1493 | } | |
1494 | else | |
1495 | { | |
1496 | Method *meth = new Method (); | |
1497 | meth->offset = (char *) id - (char *) &klass->methods; | |
1498 | meth->declaringClass = klass; | |
1499 | result = meth; | |
1500 | } | |
355dff4c | 1501 | } |
b099f07d | 1502 | catch (jthrowable t) |
355dff4c | 1503 | { |
b099f07d | 1504 | env->ex = t; |
355dff4c TT |
1505 | } |
1506 | ||
278abd28 | 1507 | return wrap_value (env, result); |
355dff4c TT |
1508 | } |
1509 | ||
1510 | static jmethodID | |
1511 | _Jv_JNI_FromReflectedMethod (JNIEnv *, jobject method) | |
1512 | { | |
1513 | using namespace java::lang::reflect; | |
1514 | if ((&MethodClass)->isInstance (method)) | |
1515 | return _Jv_FromReflectedMethod (reinterpret_cast<Method *> (method)); | |
1516 | return | |
1517 | _Jv_FromReflectedConstructor (reinterpret_cast<Constructor *> (method)); | |
1518 | } | |
1519 | ||
8ade4771 TT |
1520 | static jint |
1521 | _Jv_JNI_RegisterNatives (JNIEnv *env, jclass k, | |
1522 | const JNINativeMethod *methods, | |
1523 | jint nMethods) | |
1524 | { | |
ac52f669 | 1525 | #ifdef INTERPRETER |
8ade4771 TT |
1526 | // For now, this only matters for interpreted methods. FIXME. |
1527 | if (! _Jv_IsInterpretedClass (k)) | |
1528 | { | |
1529 | // FIXME: throw exception. | |
1530 | return JNI_ERR; | |
1531 | } | |
1532 | _Jv_InterpClass *klass = reinterpret_cast<_Jv_InterpClass *> (k); | |
1533 | ||
1534 | // Look at each descriptor given us, and find the corresponding | |
1535 | // method in the class. | |
1536 | for (int j = 0; j < nMethods; ++j) | |
1537 | { | |
1538 | bool found = false; | |
1539 | ||
1540 | _Jv_MethodBase **imeths = _Jv_GetFirstMethod (klass); | |
1541 | for (int i = 0; i < JvNumMethods (klass); ++i) | |
1542 | { | |
1543 | _Jv_MethodBase *meth = imeths[i]; | |
1544 | _Jv_Method *self = meth->get_method (); | |
1545 | ||
1546 | if (! strcmp (self->name->data, methods[j].name) | |
1547 | && ! strcmp (self->signature->data, methods[j].signature)) | |
1548 | { | |
1549 | if (! (self->accflags | |
1550 | & java::lang::reflect::Modifier::NATIVE)) | |
1551 | break; | |
1552 | ||
1553 | // Found a match that is native. | |
1554 | _Jv_JNIMethod *jmeth = reinterpret_cast<_Jv_JNIMethod *> (meth); | |
1555 | jmeth->set_function (methods[i].fnPtr); | |
1556 | found = true; | |
1557 | break; | |
1558 | } | |
1559 | } | |
1560 | ||
1561 | if (! found) | |
1562 | { | |
1563 | jstring m = JvNewStringUTF (methods[j].name); | |
b099f07d TT |
1564 | try |
1565 | { | |
1566 | env->ex =new java::lang::NoSuchMethodError (m); | |
1567 | } | |
1568 | catch (jthrowable t) | |
1569 | { | |
1570 | env->ex = t; | |
1571 | } | |
8ade4771 TT |
1572 | return JNI_ERR; |
1573 | } | |
1574 | } | |
1575 | ||
1576 | return JNI_OK; | |
ac52f669 TT |
1577 | #else /* INTERPRETER */ |
1578 | return JNI_ERR; | |
1579 | #endif /* INTERPRETER */ | |
8ade4771 TT |
1580 | } |
1581 | ||
1582 | static jint | |
1583 | _Jv_JNI_UnregisterNatives (JNIEnv *, jclass) | |
1584 | { | |
1585 | return JNI_ERR; | |
1586 | } | |
1587 | ||
355dff4c TT |
1588 | \f |
1589 | ||
f39b788a TT |
1590 | #ifdef INTERPRETER |
1591 | ||
facc279f TT |
1592 | // Add a character to the buffer, encoding properly. |
1593 | static void | |
1594 | add_char (char *buf, jchar c, int *here) | |
1595 | { | |
1596 | if (c == '_') | |
1597 | { | |
1598 | buf[(*here)++] = '_'; | |
1599 | buf[(*here)++] = '1'; | |
1600 | } | |
1601 | else if (c == ';') | |
1602 | { | |
1603 | buf[(*here)++] = '_'; | |
1604 | buf[(*here)++] = '2'; | |
1605 | } | |
1606 | else if (c == '[') | |
1607 | { | |
1608 | buf[(*here)++] = '_'; | |
1609 | buf[(*here)++] = '3'; | |
1610 | } | |
1611 | else if (c == '/') | |
1612 | buf[(*here)++] = '_'; | |
abfb7844 | 1613 | else if ((c >= '0' && c <= '9') |
facc279f TT |
1614 | || (c >= 'a' && c <= 'z') |
1615 | || (c >= 'A' && c <= 'Z')) | |
1616 | buf[(*here)++] = (char) c; | |
1617 | else | |
1618 | { | |
1619 | // "Unicode" character. | |
1620 | buf[(*here)++] = '_'; | |
1621 | buf[(*here)++] = '0'; | |
1622 | for (int i = 0; i < 4; ++i) | |
1623 | { | |
1624 | int val = c & 0x0f; | |
1625 | buf[(*here) + 4 - i] = (val > 10) ? ('a' + val - 10) : ('0' + val); | |
1626 | c >>= 4; | |
1627 | } | |
1628 | *here += 4; | |
1629 | } | |
1630 | } | |
1631 | ||
1632 | // Compute a mangled name for a native function. This computes the | |
1633 | // long name, and also returns an index which indicates where a NUL | |
1634 | // can be placed to create the short name. This function assumes that | |
1635 | // the buffer is large enough for its results. | |
1636 | static void | |
1637 | mangled_name (jclass klass, _Jv_Utf8Const *func_name, | |
1638 | _Jv_Utf8Const *signature, char *buf, int *long_start) | |
1639 | { | |
1640 | strcpy (buf, "Java_"); | |
1641 | int here = 5; | |
1642 | ||
1643 | // Add fully qualified class name. | |
1644 | jchar *chars = _Jv_GetStringChars (klass->getName ()); | |
1645 | jint len = klass->getName ()->length (); | |
1646 | for (int i = 0; i < len; ++i) | |
1647 | add_char (buf, chars[i], &here); | |
1648 | ||
1649 | // Don't use add_char because we need a literal `_'. | |
1650 | buf[here++] = '_'; | |
1651 | ||
1652 | const unsigned char *fn = (const unsigned char *) func_name->data; | |
1653 | const unsigned char *limit = fn + func_name->length; | |
1654 | for (int i = 0; ; ++i) | |
1655 | { | |
1656 | int ch = UTF8_GET (fn, limit); | |
1657 | if (ch < 0) | |
1658 | break; | |
1659 | add_char (buf, ch, &here); | |
1660 | } | |
1661 | ||
1662 | // This is where the long signature begins. | |
1663 | *long_start = here; | |
1664 | buf[here++] = '_'; | |
1665 | buf[here++] = '_'; | |
1666 | ||
1667 | const unsigned char *sig = (const unsigned char *) signature->data; | |
1668 | limit = sig + signature->length; | |
90a883ae | 1669 | JvAssert (sig[0] == '('); |
cdd59e7b TT |
1670 | ++sig; |
1671 | while (1) | |
facc279f TT |
1672 | { |
1673 | int ch = UTF8_GET (sig, limit); | |
1674 | if (ch == ')' || ch < 0) | |
1675 | break; | |
1676 | add_char (buf, ch, &here); | |
1677 | } | |
1678 | ||
1679 | buf[here] = '\0'; | |
1680 | } | |
1681 | ||
8d00f617 TT |
1682 | // Return the current thread's JNIEnv; if one does not exist, create |
1683 | // it. Also create a new system frame for use. This is `extern "C"' | |
1684 | // because the compiler calls it. | |
1685 | extern "C" JNIEnv * | |
1686 | _Jv_GetJNIEnvNewFrame (jclass klass) | |
355dff4c | 1687 | { |
8d00f617 TT |
1688 | JNIEnv *env = _Jv_GetCurrentJNIEnv (); |
1689 | if (env == NULL) | |
1690 | { | |
1691 | env = (JNIEnv *) _Jv_MallocUnchecked (sizeof (JNIEnv)); | |
1692 | env->p = &_Jv_JNIFunctions; | |
1693 | env->ex = NULL; | |
1694 | env->klass = klass; | |
1695 | env->locals = NULL; | |
ee6713e7 | 1696 | |
8d00f617 TT |
1697 | _Jv_SetCurrentJNIEnv (env); |
1698 | } | |
355dff4c | 1699 | |
8d00f617 TT |
1700 | _Jv_JNI_LocalFrame *frame |
1701 | = (_Jv_JNI_LocalFrame *) _Jv_MallocUnchecked (sizeof (_Jv_JNI_LocalFrame) | |
1702 | + (FRAME_SIZE | |
1703 | * sizeof (jobject))); | |
7e648cf9 | 1704 | |
8d00f617 | 1705 | frame->marker = MARK_SYSTEM; |
7e648cf9 | 1706 | frame->size = FRAME_SIZE; |
8d00f617 TT |
1707 | frame->next = env->locals; |
1708 | env->locals = frame; | |
1709 | ||
7e648cf9 TT |
1710 | for (int i = 0; i < frame->size; ++i) |
1711 | frame->vec[i] = NULL; | |
355dff4c | 1712 | |
8d00f617 TT |
1713 | return env; |
1714 | } | |
1715 | ||
1716 | // Return the function which implements a particular JNI method. If | |
1717 | // we can't find the function, we throw the appropriate exception. | |
1718 | // This is `extern "C"' because the compiler uses it. | |
1719 | extern "C" void * | |
1720 | _Jv_LookupJNIMethod (jclass klass, _Jv_Utf8Const *name, | |
1721 | _Jv_Utf8Const *signature) | |
1722 | { | |
1723 | char buf[10 + 6 * (name->length + signature->length)]; | |
1724 | int long_start; | |
1725 | void *function; | |
1726 | ||
1727 | mangled_name (klass, name, signature, buf, &long_start); | |
1728 | char c = buf[long_start]; | |
1729 | buf[long_start] = '\0'; | |
1730 | function = _Jv_FindSymbolInExecutable (buf); | |
1731 | if (function == NULL) | |
1732 | { | |
1733 | buf[long_start] = c; | |
1734 | function = _Jv_FindSymbolInExecutable (buf); | |
1735 | if (function == NULL) | |
1736 | { | |
1737 | jstring str = JvNewStringUTF (name->data); | |
1738 | JvThrow (new java::lang::AbstractMethodError (str)); | |
1739 | } | |
1740 | } | |
1741 | ||
1742 | return function; | |
1743 | } | |
1744 | ||
1745 | // This function is the stub which is used to turn an ordinary (CNI) | |
1746 | // method call into a JNI call. | |
1747 | void | |
1748 | _Jv_JNIMethod::call (ffi_cif *, void *ret, ffi_raw *args, void *__this) | |
1749 | { | |
1750 | _Jv_JNIMethod* _this = (_Jv_JNIMethod *) __this; | |
1751 | ||
1752 | JNIEnv *env = _Jv_GetJNIEnvNewFrame (_this->defining_class); | |
1753 | ||
ee6713e7 TT |
1754 | // FIXME: we should mark every reference parameter as a local. For |
1755 | // now we assume a conservative GC, and we assume that the | |
1756 | // references are on the stack somewhere. | |
1757 | ||
facc279f TT |
1758 | // We cache the value that we find, of course, but if we don't find |
1759 | // a value we don't cache that fact -- we might subsequently load a | |
1760 | // library which finds the function in question. | |
1761 | if (_this->function == NULL) | |
8d00f617 TT |
1762 | _this->function = _Jv_LookupJNIMethod (_this->defining_class, |
1763 | _this->self->name, | |
1764 | _this->self->signature); | |
facc279f | 1765 | |
d348bda4 TT |
1766 | JvAssert (_this->args_raw_size % sizeof (ffi_raw) == 0); |
1767 | ffi_raw real_args[2 + _this->args_raw_size / sizeof (ffi_raw)]; | |
1768 | int offset = 0; | |
1769 | ||
1770 | // First argument is always the environment pointer. | |
8d00f617 | 1771 | real_args[offset++].ptr = env; |
d348bda4 TT |
1772 | |
1773 | // For a static method, we pass in the Class. For non-static | |
1774 | // methods, the `this' argument is already handled. | |
1775 | if ((_this->self->accflags & java::lang::reflect::Modifier::STATIC)) | |
1776 | real_args[offset++].ptr = _this->defining_class; | |
1777 | ||
1778 | // Copy over passed-in arguments. | |
1779 | memcpy (&real_args[offset], args, _this->args_raw_size); | |
1780 | ||
facc279f | 1781 | // The actual call to the JNI function. |
d348bda4 TT |
1782 | ffi_raw_call (&_this->jni_cif, (void (*) (...)) _this->function, |
1783 | ret, real_args); | |
355dff4c | 1784 | |
8d00f617 | 1785 | _Jv_JNI_PopSystemFrame (env); |
355dff4c | 1786 | } |
355dff4c | 1787 | |
f39b788a TT |
1788 | #endif /* INTERPRETER */ |
1789 | ||
355dff4c TT |
1790 | \f |
1791 | ||
aaf0766e TT |
1792 | // |
1793 | // Invocation API. | |
1794 | // | |
1795 | ||
1796 | // An internal helper function. | |
1797 | static jint | |
1798 | _Jv_JNI_AttachCurrentThread (JavaVM *, jstring name, void **penv, void *args) | |
1799 | { | |
1800 | JavaVMAttachArgs *attach = reinterpret_cast<JavaVMAttachArgs *> (args); | |
1801 | java::lang::ThreadGroup *group = NULL; | |
1802 | ||
1803 | if (attach) | |
1804 | { | |
1805 | // FIXME: do we really want to support 1.1? | |
1806 | if (attach->version != JNI_VERSION_1_2 | |
1807 | && attach->version != JNI_VERSION_1_1) | |
1808 | return JNI_EVERSION; | |
1809 | ||
1810 | JvAssert ((&ThreadGroupClass)->isInstance (attach->group)); | |
1811 | group = reinterpret_cast<java::lang::ThreadGroup *> (attach->group); | |
1812 | } | |
1813 | ||
1814 | // Attaching an already-attached thread is a no-op. | |
8ade4771 | 1815 | if (_Jv_GetCurrentJNIEnv () != NULL) |
aaf0766e TT |
1816 | return 0; |
1817 | ||
aaf0766e | 1818 | JNIEnv *env = (JNIEnv *) _Jv_MallocUnchecked (sizeof (JNIEnv)); |
2d759f71 TT |
1819 | if (env == NULL) |
1820 | return JNI_ERR; | |
aaf0766e TT |
1821 | env->p = &_Jv_JNIFunctions; |
1822 | env->ex = NULL; | |
1823 | env->klass = NULL; | |
aaf0766e TT |
1824 | env->locals |
1825 | = (_Jv_JNI_LocalFrame *) _Jv_MallocUnchecked (sizeof (_Jv_JNI_LocalFrame) | |
1826 | + (FRAME_SIZE | |
1827 | * sizeof (jobject))); | |
2d759f71 TT |
1828 | if (env->locals == NULL) |
1829 | { | |
1830 | _Jv_Free (env); | |
1831 | return JNI_ERR; | |
1832 | } | |
aaf0766e TT |
1833 | *penv = reinterpret_cast<void *> (env); |
1834 | ||
8ade4771 TT |
1835 | // This thread might already be a Java thread -- this function might |
1836 | // have been called simply to set the new JNIEnv. | |
1837 | if (_Jv_ThreadCurrent () == NULL) | |
1838 | { | |
b099f07d TT |
1839 | try |
1840 | { | |
1841 | (void) new gnu::gcj::jni::NativeThread (group, name); | |
1842 | } | |
1843 | catch (jthrowable t) | |
1844 | { | |
1845 | return JNI_ERR; | |
1846 | } | |
8ade4771 | 1847 | } |
aaf0766e TT |
1848 | _Jv_SetCurrentJNIEnv (env); |
1849 | ||
1850 | return 0; | |
1851 | } | |
1852 | ||
1853 | // This is the one actually used by JNI. | |
1854 | static jint | |
1855 | _Jv_JNI_AttachCurrentThread (JavaVM *vm, void **penv, void *args) | |
1856 | { | |
1857 | return _Jv_JNI_AttachCurrentThread (vm, NULL, penv, args); | |
1858 | } | |
1859 | ||
1860 | static jint | |
1861 | _Jv_JNI_DestroyJavaVM (JavaVM *vm) | |
1862 | { | |
1863 | JvAssert (the_vm && vm == the_vm); | |
1864 | ||
1865 | JNIEnv *env; | |
1866 | if (_Jv_ThreadCurrent () != NULL) | |
1867 | { | |
b099f07d TT |
1868 | jstring main_name; |
1869 | // This sucks. | |
1870 | try | |
1871 | { | |
1872 | main_name = JvNewStringLatin1 ("main"); | |
1873 | } | |
1874 | catch (jthrowable t) | |
1875 | { | |
1876 | return JNI_ERR; | |
1877 | } | |
1878 | ||
aaf0766e | 1879 | jint r = _Jv_JNI_AttachCurrentThread (vm, |
b099f07d | 1880 | main_name, |
aaf0766e TT |
1881 | reinterpret_cast<void **> (&env), |
1882 | NULL); | |
1883 | if (r < 0) | |
1884 | return r; | |
1885 | } | |
1886 | else | |
1887 | env = _Jv_GetCurrentJNIEnv (); | |
1888 | ||
1889 | _Jv_ThreadWait (); | |
1890 | ||
1891 | // Docs say that this always returns an error code. | |
1892 | return JNI_ERR; | |
1893 | } | |
1894 | ||
1895 | static jint | |
1896 | _Jv_JNI_DetachCurrentThread (JavaVM *) | |
1897 | { | |
1898 | java::lang::Thread *t = _Jv_ThreadCurrent (); | |
1899 | if (t == NULL) | |
1900 | return JNI_EDETACHED; | |
1901 | ||
1902 | // FIXME: we only allow threads attached via AttachCurrentThread to | |
1903 | // be detached. I have no idea how we could implement detaching | |
1904 | // other threads, given the requirement that we must release all the | |
1905 | // monitors. That just seems evil. | |
1906 | JvAssert ((&NativeThreadClass)->isInstance (t)); | |
1907 | ||
1908 | // FIXME: release the monitors. We'll take this to mean all | |
1909 | // monitors acquired via the JNI interface. This means we have to | |
1910 | // keep track of them. | |
1911 | ||
1912 | gnu::gcj::jni::NativeThread *nt | |
1913 | = reinterpret_cast<gnu::gcj::jni::NativeThread *> (t); | |
1914 | nt->finish (); | |
1915 | ||
1916 | return 0; | |
1917 | } | |
1918 | ||
1919 | static jint | |
1920 | _Jv_JNI_GetEnv (JavaVM *, void **penv, jint version) | |
1921 | { | |
1922 | if (_Jv_ThreadCurrent () == NULL) | |
1923 | { | |
1924 | *penv = NULL; | |
1925 | return JNI_EDETACHED; | |
1926 | } | |
1927 | ||
54c2f04b AG |
1928 | #ifdef ENABLE_JVMPI |
1929 | // Handle JVMPI requests. | |
1930 | if (version == JVMPI_VERSION_1) | |
1931 | { | |
1932 | *penv = (void *) &_Jv_JVMPI_Interface; | |
1933 | return 0; | |
1934 | } | |
1935 | #endif | |
1936 | ||
aaf0766e TT |
1937 | // FIXME: do we really want to support 1.1? |
1938 | if (version != JNI_VERSION_1_2 && version != JNI_VERSION_1_1) | |
1939 | { | |
1940 | *penv = NULL; | |
1941 | return JNI_EVERSION; | |
1942 | } | |
1943 | ||
1944 | *penv = (void *) _Jv_GetCurrentJNIEnv (); | |
1945 | return 0; | |
1946 | } | |
1947 | ||
1948 | jint | |
1949 | JNI_GetDefaultJavaVMInitArgs (void *args) | |
1950 | { | |
1951 | jint version = * (jint *) args; | |
1952 | // Here we only support 1.2. | |
1953 | if (version != JNI_VERSION_1_2) | |
1954 | return JNI_EVERSION; | |
1955 | ||
1956 | JavaVMInitArgs *ia = reinterpret_cast<JavaVMInitArgs *> (args); | |
1957 | ia->version = JNI_VERSION_1_2; | |
1958 | ia->nOptions = 0; | |
1959 | ia->options = NULL; | |
1960 | ia->ignoreUnrecognized = true; | |
1961 | ||
1962 | return 0; | |
1963 | } | |
1964 | ||
1965 | jint | |
1966 | JNI_CreateJavaVM (JavaVM **vm, void **penv, void *args) | |
1967 | { | |
1968 | JvAssert (! the_vm); | |
1969 | // FIXME: synchronize | |
1970 | JavaVM *nvm = (JavaVM *) _Jv_MallocUnchecked (sizeof (JavaVM)); | |
1971 | if (nvm == NULL) | |
1972 | return JNI_ERR; | |
1973 | nvm->functions = &_Jv_JNI_InvokeFunctions; | |
1974 | ||
1975 | // Parse the arguments. | |
1976 | if (args != NULL) | |
1977 | { | |
1978 | jint version = * (jint *) args; | |
1979 | // We only support 1.2. | |
1980 | if (version != JNI_VERSION_1_2) | |
1981 | return JNI_EVERSION; | |
1982 | JavaVMInitArgs *ia = reinterpret_cast<JavaVMInitArgs *> (args); | |
1983 | for (int i = 0; i < ia->nOptions; ++i) | |
1984 | { | |
1985 | if (! strcmp (ia->options[i].optionString, "vfprintf") | |
1986 | || ! strcmp (ia->options[i].optionString, "exit") | |
1987 | || ! strcmp (ia->options[i].optionString, "abort")) | |
1988 | { | |
1989 | // We are required to recognize these, but for now we | |
1990 | // don't handle them in any way. FIXME. | |
1991 | continue; | |
1992 | } | |
1993 | else if (! strncmp (ia->options[i].optionString, | |
1994 | "-verbose", sizeof ("-verbose") - 1)) | |
1995 | { | |
1996 | // We don't do anything with this option either. We | |
1997 | // might want to make sure the argument is valid, but we | |
1998 | // don't really care all that much for now. | |
1999 | continue; | |
2000 | } | |
2001 | else if (! strncmp (ia->options[i].optionString, "-D", 2)) | |
2002 | { | |
2003 | // FIXME. | |
2004 | continue; | |
2005 | } | |
2006 | else if (ia->ignoreUnrecognized) | |
2007 | { | |
2008 | if (ia->options[i].optionString[0] == '_' | |
2009 | || ! strncmp (ia->options[i].optionString, "-X", 2)) | |
2010 | continue; | |
2011 | } | |
2012 | ||
2013 | return JNI_ERR; | |
2014 | } | |
2015 | } | |
2016 | ||
2017 | jint r =_Jv_JNI_AttachCurrentThread (nvm, penv, NULL); | |
2018 | if (r < 0) | |
2019 | return r; | |
2020 | ||
2021 | the_vm = nvm; | |
2022 | *vm = the_vm; | |
2023 | return 0; | |
2024 | } | |
2025 | ||
2026 | jint | |
90a883ae | 2027 | JNI_GetCreatedJavaVMs (JavaVM **vm_buffer, jsize buf_len, jsize *n_vms) |
aaf0766e | 2028 | { |
90a883ae TT |
2029 | if (buf_len <= 0) |
2030 | return JNI_ERR; | |
2031 | ||
aaf0766e TT |
2032 | // We only support a single VM. |
2033 | if (the_vm != NULL) | |
2034 | { | |
2035 | vm_buffer[0] = the_vm; | |
2036 | *n_vms = 1; | |
2037 | } | |
2038 | else | |
2039 | *n_vms = 0; | |
2040 | return 0; | |
2041 | } | |
2042 | ||
8ade4771 TT |
2043 | JavaVM * |
2044 | _Jv_GetJavaVM () | |
aaf0766e TT |
2045 | { |
2046 | // FIXME: synchronize | |
2047 | if (! the_vm) | |
2048 | { | |
2049 | JavaVM *nvm = (JavaVM *) _Jv_MallocUnchecked (sizeof (JavaVM)); | |
8ade4771 TT |
2050 | if (nvm != NULL) |
2051 | nvm->functions = &_Jv_JNI_InvokeFunctions; | |
aaf0766e TT |
2052 | the_vm = nvm; |
2053 | } | |
2054 | ||
8ade4771 TT |
2055 | // If this is a Java thread, we want to make sure it has an |
2056 | // associated JNIEnv. | |
2057 | if (_Jv_ThreadCurrent () != NULL) | |
2058 | { | |
2059 | void *ignore; | |
2060 | _Jv_JNI_AttachCurrentThread (the_vm, &ignore, NULL); | |
2061 | } | |
2062 | ||
2063 | return the_vm; | |
2064 | } | |
2065 | ||
2066 | static jint | |
2067 | _Jv_JNI_GetJavaVM (JNIEnv *, JavaVM **vm) | |
2068 | { | |
2069 | *vm = _Jv_GetJavaVM (); | |
2070 | return *vm == NULL ? JNI_ERR : JNI_OK; | |
aaf0766e TT |
2071 | } |
2072 | ||
2073 | \f | |
2074 | ||
ee9dd372 | 2075 | #define NOT_IMPL NULL |
8a922095 | 2076 | #define RESERVED NULL |
ee9dd372 TT |
2077 | |
2078 | struct JNINativeInterface _Jv_JNIFunctions = | |
2079 | { | |
8a922095 TT |
2080 | RESERVED, |
2081 | RESERVED, | |
2082 | RESERVED, | |
2083 | RESERVED, | |
2084 | _Jv_JNI_GetVersion, | |
355dff4c TT |
2085 | _Jv_JNI_DefineClass, |
2086 | _Jv_JNI_FindClass, | |
2087 | _Jv_JNI_FromReflectedMethod, | |
2088 | _Jv_JNI_FromReflectedField, | |
2089 | _Jv_JNI_ToReflectedMethod, | |
ee9dd372 | 2090 | _Jv_JNI_GetSuperclass, |
355dff4c TT |
2091 | _Jv_JNI_IsAssignableFrom, |
2092 | _Jv_JNI_ToReflectedField, | |
8a922095 TT |
2093 | _Jv_JNI_Throw, |
2094 | _Jv_JNI_ThrowNew, | |
2095 | _Jv_JNI_ExceptionOccurred, | |
2096 | _Jv_JNI_ExceptionDescribe, | |
2097 | _Jv_JNI_ExceptionClear, | |
2098 | _Jv_JNI_FatalError, | |
7e648cf9 TT |
2099 | |
2100 | _Jv_JNI_PushLocalFrame, | |
2101 | _Jv_JNI_PopLocalFrame, | |
2102 | _Jv_JNI_NewGlobalRef, | |
2103 | _Jv_JNI_DeleteGlobalRef, | |
2104 | _Jv_JNI_DeleteLocalRef, | |
2105 | ||
8a922095 | 2106 | _Jv_JNI_IsSameObject, |
7e648cf9 TT |
2107 | |
2108 | _Jv_JNI_NewLocalRef, | |
2109 | _Jv_JNI_EnsureLocalCapacity, | |
2110 | ||
8a922095 TT |
2111 | _Jv_JNI_AllocObject, |
2112 | _Jv_JNI_NewObject, | |
2113 | _Jv_JNI_NewObjectV, | |
2114 | _Jv_JNI_NewObjectA, | |
2115 | _Jv_JNI_GetObjectClass, | |
2116 | _Jv_JNI_IsInstanceOf, | |
2117 | _Jv_JNI_GetAnyMethodID<false>, | |
2118 | ||
2119 | _Jv_JNI_CallMethod<jobject>, | |
2120 | _Jv_JNI_CallMethodV<jobject>, | |
2121 | _Jv_JNI_CallMethodA<jobject>, | |
2122 | _Jv_JNI_CallMethod<jboolean>, | |
2123 | _Jv_JNI_CallMethodV<jboolean>, | |
2124 | _Jv_JNI_CallMethodA<jboolean>, | |
2125 | _Jv_JNI_CallMethod<jbyte>, | |
2126 | _Jv_JNI_CallMethodV<jbyte>, | |
2127 | _Jv_JNI_CallMethodA<jbyte>, | |
2128 | _Jv_JNI_CallMethod<jchar>, | |
2129 | _Jv_JNI_CallMethodV<jchar>, | |
2130 | _Jv_JNI_CallMethodA<jchar>, | |
2131 | _Jv_JNI_CallMethod<jshort>, | |
2132 | _Jv_JNI_CallMethodV<jshort>, | |
2133 | _Jv_JNI_CallMethodA<jshort>, | |
2134 | _Jv_JNI_CallMethod<jint>, | |
2135 | _Jv_JNI_CallMethodV<jint>, | |
2136 | _Jv_JNI_CallMethodA<jint>, | |
2137 | _Jv_JNI_CallMethod<jlong>, | |
2138 | _Jv_JNI_CallMethodV<jlong>, | |
2139 | _Jv_JNI_CallMethodA<jlong>, | |
2140 | _Jv_JNI_CallMethod<jfloat>, | |
2141 | _Jv_JNI_CallMethodV<jfloat>, | |
2142 | _Jv_JNI_CallMethodA<jfloat>, | |
2143 | _Jv_JNI_CallMethod<jdouble>, | |
2144 | _Jv_JNI_CallMethodV<jdouble>, | |
2145 | _Jv_JNI_CallMethodA<jdouble>, | |
2146 | _Jv_JNI_CallVoidMethod, | |
2147 | _Jv_JNI_CallVoidMethodV, | |
2148 | _Jv_JNI_CallVoidMethodA, | |
2149 | ||
2150 | // Nonvirtual method invocation functions follow. | |
2151 | _Jv_JNI_CallAnyMethod<jobject, nonvirtual>, | |
2152 | _Jv_JNI_CallAnyMethodV<jobject, nonvirtual>, | |
2153 | _Jv_JNI_CallAnyMethodA<jobject, nonvirtual>, | |
2154 | _Jv_JNI_CallAnyMethod<jboolean, nonvirtual>, | |
2155 | _Jv_JNI_CallAnyMethodV<jboolean, nonvirtual>, | |
2156 | _Jv_JNI_CallAnyMethodA<jboolean, nonvirtual>, | |
2157 | _Jv_JNI_CallAnyMethod<jbyte, nonvirtual>, | |
2158 | _Jv_JNI_CallAnyMethodV<jbyte, nonvirtual>, | |
2159 | _Jv_JNI_CallAnyMethodA<jbyte, nonvirtual>, | |
2160 | _Jv_JNI_CallAnyMethod<jchar, nonvirtual>, | |
2161 | _Jv_JNI_CallAnyMethodV<jchar, nonvirtual>, | |
2162 | _Jv_JNI_CallAnyMethodA<jchar, nonvirtual>, | |
2163 | _Jv_JNI_CallAnyMethod<jshort, nonvirtual>, | |
2164 | _Jv_JNI_CallAnyMethodV<jshort, nonvirtual>, | |
2165 | _Jv_JNI_CallAnyMethodA<jshort, nonvirtual>, | |
2166 | _Jv_JNI_CallAnyMethod<jint, nonvirtual>, | |
2167 | _Jv_JNI_CallAnyMethodV<jint, nonvirtual>, | |
2168 | _Jv_JNI_CallAnyMethodA<jint, nonvirtual>, | |
2169 | _Jv_JNI_CallAnyMethod<jlong, nonvirtual>, | |
2170 | _Jv_JNI_CallAnyMethodV<jlong, nonvirtual>, | |
2171 | _Jv_JNI_CallAnyMethodA<jlong, nonvirtual>, | |
2172 | _Jv_JNI_CallAnyMethod<jfloat, nonvirtual>, | |
2173 | _Jv_JNI_CallAnyMethodV<jfloat, nonvirtual>, | |
2174 | _Jv_JNI_CallAnyMethodA<jfloat, nonvirtual>, | |
2175 | _Jv_JNI_CallAnyMethod<jdouble, nonvirtual>, | |
2176 | _Jv_JNI_CallAnyMethodV<jdouble, nonvirtual>, | |
2177 | _Jv_JNI_CallAnyMethodA<jdouble, nonvirtual>, | |
2178 | _Jv_JNI_CallAnyVoidMethod<nonvirtual>, | |
2179 | _Jv_JNI_CallAnyVoidMethodV<nonvirtual>, | |
2180 | _Jv_JNI_CallAnyVoidMethodA<nonvirtual>, | |
2181 | ||
2182 | _Jv_JNI_GetAnyFieldID<false>, | |
2183 | _Jv_JNI_GetField<jobject>, | |
2184 | _Jv_JNI_GetField<jboolean>, | |
2185 | _Jv_JNI_GetField<jbyte>, | |
2186 | _Jv_JNI_GetField<jchar>, | |
2187 | _Jv_JNI_GetField<jshort>, | |
2188 | _Jv_JNI_GetField<jint>, | |
2189 | _Jv_JNI_GetField<jlong>, | |
2190 | _Jv_JNI_GetField<jfloat>, | |
2191 | _Jv_JNI_GetField<jdouble>, | |
2192 | _Jv_JNI_SetField, | |
2193 | _Jv_JNI_SetField, | |
2194 | _Jv_JNI_SetField, | |
2195 | _Jv_JNI_SetField, | |
2196 | _Jv_JNI_SetField, | |
2197 | _Jv_JNI_SetField, | |
2198 | _Jv_JNI_SetField, | |
2199 | _Jv_JNI_SetField, | |
2200 | _Jv_JNI_SetField, | |
2201 | _Jv_JNI_GetAnyMethodID<true>, | |
2202 | ||
2203 | _Jv_JNI_CallStaticMethod<jobject>, | |
2204 | _Jv_JNI_CallStaticMethodV<jobject>, | |
2205 | _Jv_JNI_CallStaticMethodA<jobject>, | |
2206 | _Jv_JNI_CallStaticMethod<jboolean>, | |
2207 | _Jv_JNI_CallStaticMethodV<jboolean>, | |
2208 | _Jv_JNI_CallStaticMethodA<jboolean>, | |
2209 | _Jv_JNI_CallStaticMethod<jbyte>, | |
2210 | _Jv_JNI_CallStaticMethodV<jbyte>, | |
2211 | _Jv_JNI_CallStaticMethodA<jbyte>, | |
2212 | _Jv_JNI_CallStaticMethod<jchar>, | |
2213 | _Jv_JNI_CallStaticMethodV<jchar>, | |
2214 | _Jv_JNI_CallStaticMethodA<jchar>, | |
2215 | _Jv_JNI_CallStaticMethod<jshort>, | |
2216 | _Jv_JNI_CallStaticMethodV<jshort>, | |
2217 | _Jv_JNI_CallStaticMethodA<jshort>, | |
2218 | _Jv_JNI_CallStaticMethod<jint>, | |
2219 | _Jv_JNI_CallStaticMethodV<jint>, | |
2220 | _Jv_JNI_CallStaticMethodA<jint>, | |
2221 | _Jv_JNI_CallStaticMethod<jlong>, | |
2222 | _Jv_JNI_CallStaticMethodV<jlong>, | |
2223 | _Jv_JNI_CallStaticMethodA<jlong>, | |
2224 | _Jv_JNI_CallStaticMethod<jfloat>, | |
2225 | _Jv_JNI_CallStaticMethodV<jfloat>, | |
2226 | _Jv_JNI_CallStaticMethodA<jfloat>, | |
2227 | _Jv_JNI_CallStaticMethod<jdouble>, | |
2228 | _Jv_JNI_CallStaticMethodV<jdouble>, | |
2229 | _Jv_JNI_CallStaticMethodA<jdouble>, | |
2230 | _Jv_JNI_CallStaticVoidMethod, | |
2231 | _Jv_JNI_CallStaticVoidMethodV, | |
2232 | _Jv_JNI_CallStaticVoidMethodA, | |
2233 | ||
2234 | _Jv_JNI_GetAnyFieldID<true>, | |
2235 | _Jv_JNI_GetStaticField<jobject>, | |
2236 | _Jv_JNI_GetStaticField<jboolean>, | |
2237 | _Jv_JNI_GetStaticField<jbyte>, | |
2238 | _Jv_JNI_GetStaticField<jchar>, | |
2239 | _Jv_JNI_GetStaticField<jshort>, | |
2240 | _Jv_JNI_GetStaticField<jint>, | |
2241 | _Jv_JNI_GetStaticField<jlong>, | |
2242 | _Jv_JNI_GetStaticField<jfloat>, | |
2243 | _Jv_JNI_GetStaticField<jdouble>, | |
2244 | _Jv_JNI_SetStaticField, | |
2245 | _Jv_JNI_SetStaticField, | |
2246 | _Jv_JNI_SetStaticField, | |
2247 | _Jv_JNI_SetStaticField, | |
2248 | _Jv_JNI_SetStaticField, | |
2249 | _Jv_JNI_SetStaticField, | |
2250 | _Jv_JNI_SetStaticField, | |
2251 | _Jv_JNI_SetStaticField, | |
2252 | _Jv_JNI_SetStaticField, | |
2253 | _Jv_JNI_NewString, | |
ee9dd372 | 2254 | _Jv_JNI_GetStringLength, |
8a922095 TT |
2255 | _Jv_JNI_GetStringChars, |
2256 | _Jv_JNI_ReleaseStringChars, | |
2257 | _Jv_JNI_NewStringUTF, | |
2258 | _Jv_JNI_GetStringUTFLength, | |
2259 | _Jv_JNI_GetStringUTFChars, | |
2260 | _Jv_JNI_ReleaseStringUTFChars, | |
2261 | _Jv_JNI_GetArrayLength, | |
2262 | _Jv_JNI_NewObjectArray, | |
2263 | _Jv_JNI_GetObjectArrayElement, | |
2264 | _Jv_JNI_SetObjectArrayElement, | |
2265 | _Jv_JNI_NewPrimitiveArray<jboolean, JvPrimClass (boolean)>, | |
2266 | _Jv_JNI_NewPrimitiveArray<jbyte, JvPrimClass (byte)>, | |
2267 | _Jv_JNI_NewPrimitiveArray<jchar, JvPrimClass (char)>, | |
2268 | _Jv_JNI_NewPrimitiveArray<jshort, JvPrimClass (short)>, | |
2269 | _Jv_JNI_NewPrimitiveArray<jint, JvPrimClass (int)>, | |
2270 | _Jv_JNI_NewPrimitiveArray<jlong, JvPrimClass (long)>, | |
2271 | _Jv_JNI_NewPrimitiveArray<jfloat, JvPrimClass (float)>, | |
2272 | _Jv_JNI_NewPrimitiveArray<jdouble, JvPrimClass (double)>, | |
2273 | _Jv_JNI_GetPrimitiveArrayElements, | |
2274 | _Jv_JNI_GetPrimitiveArrayElements, | |
2275 | _Jv_JNI_GetPrimitiveArrayElements, | |
2276 | _Jv_JNI_GetPrimitiveArrayElements, | |
2277 | _Jv_JNI_GetPrimitiveArrayElements, | |
2278 | _Jv_JNI_GetPrimitiveArrayElements, | |
2279 | _Jv_JNI_GetPrimitiveArrayElements, | |
2280 | _Jv_JNI_GetPrimitiveArrayElements, | |
2281 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2282 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2283 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2284 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2285 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2286 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2287 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2288 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2289 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2290 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2291 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2292 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2293 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2294 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2295 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2296 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2297 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2298 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2299 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2300 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2301 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2302 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2303 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2304 | _Jv_JNI_SetPrimitiveArrayRegion, | |
8ade4771 TT |
2305 | _Jv_JNI_RegisterNatives, |
2306 | _Jv_JNI_UnregisterNatives, | |
8a922095 TT |
2307 | _Jv_JNI_MonitorEnter, |
2308 | _Jv_JNI_MonitorExit, | |
aaf0766e | 2309 | _Jv_JNI_GetJavaVM, |
355dff4c TT |
2310 | |
2311 | _Jv_JNI_GetStringRegion, | |
2312 | _Jv_JNI_GetStringUTFRegion, | |
2313 | _Jv_JNI_GetPrimitiveArrayCritical, | |
2314 | _Jv_JNI_ReleasePrimitiveArrayCritical, | |
2315 | _Jv_JNI_GetStringCritical, | |
2316 | _Jv_JNI_ReleaseStringCritical, | |
2317 | ||
2318 | NOT_IMPL /* newweakglobalref */, | |
2319 | NOT_IMPL /* deleteweakglobalref */, | |
2320 | ||
2321 | _Jv_JNI_ExceptionCheck | |
ee9dd372 | 2322 | }; |
aaf0766e TT |
2323 | |
2324 | struct JNIInvokeInterface _Jv_JNI_InvokeFunctions = | |
2325 | { | |
2326 | RESERVED, | |
2327 | RESERVED, | |
2328 | RESERVED, | |
2329 | ||
2330 | _Jv_JNI_DestroyJavaVM, | |
2331 | _Jv_JNI_AttachCurrentThread, | |
2332 | _Jv_JNI_DetachCurrentThread, | |
2333 | _Jv_JNI_GetEnv | |
2334 | }; |