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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> |
355dff4c TT |
23 | |
24 | #include <java/lang/Class.h> | |
25 | #include <java/lang/ClassLoader.h> | |
8a922095 TT |
26 | #include <java/lang/Throwable.h> |
27 | #include <java/lang/ArrayIndexOutOfBoundsException.h> | |
355dff4c | 28 | #include <java/lang/StringIndexOutOfBoundsException.h> |
facc279f | 29 | #include <java/lang/AbstractMethodError.h> |
8a922095 TT |
30 | #include <java/lang/InstantiationException.h> |
31 | #include <java/lang/NoSuchFieldError.h> | |
32 | #include <java/lang/NoSuchMethodError.h> | |
33 | #include <java/lang/reflect/Constructor.h> | |
355dff4c | 34 | #include <java/lang/reflect/Method.h> |
8a922095 | 35 | #include <java/lang/reflect/Modifier.h> |
7e648cf9 TT |
36 | #include <java/lang/OutOfMemoryError.h> |
37 | #include <java/util/Hashtable.h> | |
38 | #include <java/lang/Integer.h> | |
aaf0766e | 39 | #include <gnu/gcj/jni/NativeThread.h> |
8a922095 | 40 | |
355dff4c TT |
41 | #include <gcj/method.h> |
42 | #include <gcj/field.h> | |
43 | ||
ee6713e7 TT |
44 | #include <java-interp.h> |
45 | ||
8a922095 TT |
46 | #define ClassClass _CL_Q34java4lang5Class |
47 | extern java::lang::Class ClassClass; | |
48 | #define ObjectClass _CL_Q34java4lang6Object | |
49 | extern java::lang::Class ObjectClass; | |
50 | ||
278abd28 TT |
51 | #define ThrowableClass _CL_Q34java4lang9Throwable |
52 | extern java::lang::Class ThrowableClass; | |
355dff4c TT |
53 | #define MethodClass _CL_Q44java4lang7reflect6Method |
54 | extern java::lang::Class MethodClass; | |
aaf0766e TT |
55 | #define ThreadGroupClass _CL_Q34java4lang11ThreadGroup |
56 | extern java::lang::Class ThreadGroupClass; | |
57 | #define NativeThreadClass _CL_Q43gnu3gcj3jni12NativeThread | |
58 | extern java::lang::Class ThreadGroupClass; | |
355dff4c | 59 | |
8a922095 TT |
60 | // This enum is used to select different template instantiations in |
61 | // the invocation code. | |
62 | enum invocation_type | |
63 | { | |
64 | normal, | |
65 | nonvirtual, | |
66 | static_type, | |
67 | constructor | |
68 | }; | |
69 | ||
aaf0766e | 70 | // Forward declarations. |
355dff4c | 71 | extern struct JNINativeInterface _Jv_JNIFunctions; |
aaf0766e | 72 | extern struct JNIInvokeInterface _Jv_JNI_InvokeFunctions; |
355dff4c | 73 | |
7e648cf9 TT |
74 | // Number of slots in the default frame. The VM must allow at least |
75 | // 16. | |
76 | #define FRAME_SIZE 32 | |
77 | ||
8d00f617 TT |
78 | // Mark value indicating this is an overflow frame. |
79 | #define MARK_NONE 0 | |
80 | // Mark value indicating this is a user frame. | |
81 | #define MARK_USER 1 | |
82 | // Mark value indicating this is a system frame. | |
83 | #define MARK_SYSTEM 2 | |
84 | ||
7e648cf9 TT |
85 | // This structure is used to keep track of local references. |
86 | struct _Jv_JNI_LocalFrame | |
87 | { | |
88 | // This is true if this frame object represents a pushed frame (eg | |
89 | // from PushLocalFrame). | |
8d00f617 | 90 | int marker : 2; |
7e648cf9 TT |
91 | |
92 | // Number of elements in frame. | |
8d00f617 | 93 | int size : 30; |
7e648cf9 TT |
94 | |
95 | // Next frame in chain. | |
96 | _Jv_JNI_LocalFrame *next; | |
97 | ||
98 | // The elements. These are allocated using the C "struct hack". | |
99 | jobject vec[0]; | |
100 | }; | |
101 | ||
102 | // This holds a reference count for all local and global references. | |
103 | static java::util::Hashtable *ref_table; | |
104 | ||
aaf0766e TT |
105 | // The only VM. |
106 | static JavaVM *the_vm; | |
107 | ||
8a922095 TT |
108 | \f |
109 | ||
7e648cf9 TT |
110 | void |
111 | _Jv_JNI_Init (void) | |
112 | { | |
113 | ref_table = new java::util::Hashtable; | |
114 | } | |
115 | ||
8a922095 TT |
116 | // Tell the GC that a certain pointer is live. |
117 | static void | |
7e648cf9 | 118 | mark_for_gc (jobject obj) |
8a922095 | 119 | { |
7e648cf9 TT |
120 | JvSynchronize sync (ref_table); |
121 | ||
122 | using namespace java::lang; | |
123 | Integer *refcount = (Integer *) ref_table->get (obj); | |
124 | jint val = (refcount == NULL) ? 0 : refcount->intValue (); | |
b099f07d | 125 | // FIXME: what about out of memory error? |
7e648cf9 | 126 | ref_table->put (obj, new Integer (val + 1)); |
8a922095 TT |
127 | } |
128 | ||
129 | // Unmark a pointer. | |
130 | static void | |
7e648cf9 | 131 | unmark_for_gc (jobject obj) |
8a922095 | 132 | { |
7e648cf9 TT |
133 | JvSynchronize sync (ref_table); |
134 | ||
135 | using namespace java::lang; | |
136 | Integer *refcount = (Integer *) ref_table->get (obj); | |
137 | JvAssert (refcount); | |
138 | jint val = refcount->intValue () - 1; | |
139 | if (val == 0) | |
140 | ref_table->remove (obj); | |
141 | else | |
b099f07d | 142 | // FIXME: what about out of memory error? |
7e648cf9 TT |
143 | ref_table->put (obj, new Integer (val)); |
144 | } | |
145 | ||
146 | \f | |
147 | ||
148 | static jobject | |
149 | _Jv_JNI_NewGlobalRef (JNIEnv *, jobject obj) | |
150 | { | |
151 | mark_for_gc (obj); | |
152 | return obj; | |
153 | } | |
154 | ||
155 | static void | |
156 | _Jv_JNI_DeleteGlobalRef (JNIEnv *, jobject obj) | |
157 | { | |
158 | unmark_for_gc (obj); | |
159 | } | |
160 | ||
161 | static void | |
162 | _Jv_JNI_DeleteLocalRef (JNIEnv *env, jobject obj) | |
163 | { | |
164 | _Jv_JNI_LocalFrame *frame; | |
165 | ||
166 | for (frame = env->locals; frame != NULL; frame = frame->next) | |
167 | { | |
168 | for (int i = 0; i < FRAME_SIZE; ++i) | |
169 | { | |
170 | if (frame->vec[i] == obj) | |
171 | { | |
172 | frame->vec[i] = NULL; | |
173 | unmark_for_gc (obj); | |
174 | return; | |
175 | } | |
176 | } | |
177 | ||
178 | // Don't go past a marked frame. | |
8d00f617 | 179 | JvAssert (frame->marker == MARK_NONE); |
7e648cf9 TT |
180 | } |
181 | ||
182 | JvAssert (0); | |
183 | } | |
184 | ||
185 | static jint | |
186 | _Jv_JNI_EnsureLocalCapacity (JNIEnv *env, jint size) | |
187 | { | |
188 | // It is easier to just always allocate a new frame of the requested | |
189 | // size. This isn't the most efficient thing, but for now we don't | |
190 | // care. Note that _Jv_JNI_PushLocalFrame relies on this right now. | |
191 | ||
b099f07d TT |
192 | _Jv_JNI_LocalFrame *frame; |
193 | try | |
7e648cf9 | 194 | { |
b099f07d TT |
195 | frame = (_Jv_JNI_LocalFrame *) _Jv_Malloc (sizeof (_Jv_JNI_LocalFrame) |
196 | + size * sizeof (jobject)); | |
197 | } | |
198 | catch (jthrowable t) | |
199 | { | |
200 | env->ex = t; | |
aaf0766e | 201 | return JNI_ERR; |
7e648cf9 TT |
202 | } |
203 | ||
8d00f617 | 204 | frame->marker = MARK_NONE; |
7e648cf9 TT |
205 | frame->size = size; |
206 | memset (&frame->vec[0], 0, size * sizeof (jobject)); | |
207 | frame->next = env->locals; | |
208 | env->locals = frame; | |
209 | ||
210 | return 0; | |
211 | } | |
212 | ||
213 | static jint | |
214 | _Jv_JNI_PushLocalFrame (JNIEnv *env, jint size) | |
215 | { | |
216 | jint r = _Jv_JNI_EnsureLocalCapacity (env, size); | |
217 | if (r < 0) | |
218 | return r; | |
219 | ||
220 | // The new frame is on top. | |
8d00f617 | 221 | env->locals->marker = MARK_USER; |
7e648cf9 TT |
222 | |
223 | return 0; | |
224 | } | |
225 | ||
226 | static jobject | |
227 | _Jv_JNI_NewLocalRef (JNIEnv *env, jobject obj) | |
228 | { | |
229 | // Try to find an open slot somewhere in the topmost frame. | |
230 | _Jv_JNI_LocalFrame *frame = env->locals; | |
231 | bool done = false, set = false; | |
232 | while (frame != NULL && ! done) | |
233 | { | |
234 | for (int i = 0; i < frame->size; ++i) | |
235 | if (frame->vec[i] == NULL) | |
236 | { | |
237 | set = true; | |
238 | done = true; | |
239 | frame->vec[i] = obj; | |
240 | break; | |
241 | } | |
242 | } | |
243 | ||
244 | if (! set) | |
245 | { | |
246 | // No slots, so we allocate a new frame. According to the spec | |
247 | // we could just die here. FIXME: return value. | |
248 | _Jv_JNI_EnsureLocalCapacity (env, 16); | |
249 | // We know the first element of the new frame will be ok. | |
250 | env->locals->vec[0] = obj; | |
251 | } | |
252 | ||
253 | mark_for_gc (obj); | |
254 | return obj; | |
255 | } | |
256 | ||
257 | static jobject | |
8d00f617 | 258 | _Jv_JNI_PopLocalFrame (JNIEnv *env, jobject result, int stop) |
7e648cf9 TT |
259 | { |
260 | _Jv_JNI_LocalFrame *rf = env->locals; | |
261 | ||
262 | bool done = false; | |
263 | while (rf != NULL && ! done) | |
264 | { | |
265 | for (int i = 0; i < rf->size; ++i) | |
266 | if (rf->vec[i] != NULL) | |
267 | unmark_for_gc (rf->vec[i]); | |
268 | ||
269 | // If the frame we just freed is the marker frame, we are done. | |
8d00f617 | 270 | done = (rf->marker == stop); |
7e648cf9 TT |
271 | |
272 | _Jv_JNI_LocalFrame *n = rf->next; | |
273 | // When N==NULL, we've reached the stack-allocated frame, and we | |
274 | // must not free it. However, we must be sure to clear all its | |
275 | // elements, since we might conceivably reuse it. | |
276 | if (n == NULL) | |
ee7f72e4 TT |
277 | { |
278 | memset (&rf->vec[0], 0, rf->size * sizeof (jobject)); | |
279 | break; | |
280 | } | |
281 | ||
282 | _Jv_Free (rf); | |
7e648cf9 TT |
283 | rf = n; |
284 | } | |
285 | ||
286 | return result == NULL ? NULL : _Jv_JNI_NewLocalRef (env, result); | |
8a922095 TT |
287 | } |
288 | ||
8d00f617 TT |
289 | static jobject |
290 | _Jv_JNI_PopLocalFrame (JNIEnv *env, jobject result) | |
291 | { | |
292 | return _Jv_JNI_PopLocalFrame (env, result, MARK_USER); | |
293 | } | |
294 | ||
295 | // Pop a `system' frame from the stack. This is `extern "C"' as it is | |
296 | // used by the compiler. | |
297 | extern "C" void | |
298 | _Jv_JNI_PopSystemFrame (JNIEnv *env) | |
299 | { | |
300 | _Jv_JNI_PopLocalFrame (env, NULL, MARK_SYSTEM); | |
301 | } | |
302 | ||
ee7f72e4 TT |
303 | // This function is used from other template functions. It wraps the |
304 | // return value appropriately; we specialize it so that object returns | |
305 | // are turned into local references. | |
306 | template<typename T> | |
307 | static T | |
308 | wrap_value (JNIEnv *, T value) | |
309 | { | |
310 | return value; | |
311 | } | |
312 | ||
313 | template<> | |
314 | static jobject | |
315 | wrap_value (JNIEnv *env, jobject value) | |
316 | { | |
278abd28 | 317 | return value == NULL ? value : _Jv_JNI_NewLocalRef (env, value); |
ee7f72e4 TT |
318 | } |
319 | ||
8a922095 TT |
320 | \f |
321 | ||
322 | static jint | |
323 | _Jv_JNI_GetVersion (JNIEnv *) | |
324 | { | |
325 | return JNI_VERSION_1_2; | |
326 | } | |
ee9dd372 | 327 | |
355dff4c | 328 | static jclass |
7e648cf9 | 329 | _Jv_JNI_DefineClass (JNIEnv *env, jobject loader, |
355dff4c TT |
330 | const jbyte *buf, jsize bufLen) |
331 | { | |
b099f07d TT |
332 | try |
333 | { | |
334 | jbyteArray bytes = JvNewByteArray (bufLen); | |
355dff4c | 335 | |
b099f07d TT |
336 | jbyte *elts = elements (bytes); |
337 | memcpy (elts, buf, bufLen * sizeof (jbyte)); | |
355dff4c | 338 | |
b099f07d TT |
339 | java::lang::ClassLoader *l |
340 | = reinterpret_cast<java::lang::ClassLoader *> (loader); | |
341 | ||
342 | jclass result = l->defineClass (bytes, 0, bufLen); | |
343 | return (jclass) wrap_value (env, result); | |
344 | } | |
345 | catch (jthrowable t) | |
346 | { | |
347 | env->ex = t; | |
348 | return NULL; | |
349 | } | |
355dff4c TT |
350 | } |
351 | ||
352 | static jclass | |
353 | _Jv_JNI_FindClass (JNIEnv *env, const char *name) | |
354 | { | |
355 | // FIXME: assume that NAME isn't too long. | |
356 | int len = strlen (name); | |
357 | char s[len + 1]; | |
358 | for (int i = 0; i <= len; ++i) | |
359 | s[i] = (name[i] == '/') ? '.' : name[i]; | |
355dff4c | 360 | |
b099f07d TT |
361 | jclass r = NULL; |
362 | try | |
355dff4c | 363 | { |
b099f07d TT |
364 | // This might throw an out of memory exception. |
365 | jstring n = JvNewStringUTF (s); | |
366 | ||
367 | java::lang::ClassLoader *loader; | |
368 | if (env->klass == NULL) | |
369 | { | |
370 | // FIXME: should use getBaseClassLoader, but we don't have that | |
371 | // yet. | |
372 | loader = java::lang::ClassLoader::getSystemClassLoader (); | |
373 | } | |
374 | else | |
375 | loader = env->klass->getClassLoader (); | |
355dff4c | 376 | |
b099f07d TT |
377 | r = loader->loadClass (n); |
378 | } | |
379 | catch (jthrowable t) | |
380 | { | |
381 | env->ex = t; | |
382 | } | |
355dff4c | 383 | |
278abd28 | 384 | return (jclass) wrap_value (env, r); |
355dff4c TT |
385 | } |
386 | ||
ee9dd372 | 387 | static jclass |
7e648cf9 | 388 | _Jv_JNI_GetSuperclass (JNIEnv *env, jclass clazz) |
ee9dd372 | 389 | { |
278abd28 | 390 | return (jclass) wrap_value (env, clazz->getSuperclass ()); |
ee9dd372 TT |
391 | } |
392 | ||
393 | static jboolean | |
355dff4c | 394 | _Jv_JNI_IsAssignableFrom(JNIEnv *, jclass clazz1, jclass clazz2) |
ee9dd372 TT |
395 | { |
396 | return clazz1->isAssignableFrom (clazz2); | |
397 | } | |
398 | ||
8a922095 TT |
399 | static jint |
400 | _Jv_JNI_Throw (JNIEnv *env, jthrowable obj) | |
401 | { | |
278abd28 TT |
402 | // We check in case the user did some funky cast. |
403 | JvAssert (obj != NULL && (&ThrowableClass)->isInstance (obj)); | |
355dff4c | 404 | env->ex = obj; |
8a922095 TT |
405 | return 0; |
406 | } | |
407 | ||
408 | static jint | |
409 | _Jv_JNI_ThrowNew (JNIEnv *env, jclass clazz, const char *message) | |
410 | { | |
411 | using namespace java::lang::reflect; | |
412 | ||
278abd28 TT |
413 | JvAssert ((&ThrowableClass)->isAssignableFrom (clazz)); |
414 | ||
b099f07d TT |
415 | int r = JNI_OK; |
416 | try | |
417 | { | |
418 | JArray<jclass> *argtypes | |
419 | = (JArray<jclass> *) JvNewObjectArray (1, &ClassClass, NULL); | |
8a922095 | 420 | |
b099f07d TT |
421 | jclass *elts = elements (argtypes); |
422 | elts[0] = &StringClass; | |
8a922095 | 423 | |
b099f07d | 424 | Constructor *cons = clazz->getConstructor (argtypes); |
8a922095 | 425 | |
b099f07d TT |
426 | jobjectArray values = JvNewObjectArray (1, &StringClass, NULL); |
427 | jobject *velts = elements (values); | |
428 | velts[0] = JvNewStringUTF (message); | |
8a922095 | 429 | |
b099f07d | 430 | jobject obj = cons->newInstance (values); |
8a922095 | 431 | |
b099f07d TT |
432 | env->ex = reinterpret_cast<jthrowable> (obj); |
433 | } | |
434 | catch (jthrowable t) | |
435 | { | |
436 | env->ex = t; | |
437 | r = JNI_ERR; | |
438 | } | |
439 | ||
440 | return r; | |
8a922095 TT |
441 | } |
442 | ||
443 | static jthrowable | |
444 | _Jv_JNI_ExceptionOccurred (JNIEnv *env) | |
445 | { | |
278abd28 | 446 | return (jthrowable) wrap_value (env, env->ex); |
8a922095 TT |
447 | } |
448 | ||
449 | static void | |
450 | _Jv_JNI_ExceptionDescribe (JNIEnv *env) | |
451 | { | |
355dff4c TT |
452 | if (env->ex != NULL) |
453 | env->ex->printStackTrace(); | |
8a922095 TT |
454 | } |
455 | ||
456 | static void | |
457 | _Jv_JNI_ExceptionClear (JNIEnv *env) | |
458 | { | |
355dff4c TT |
459 | env->ex = NULL; |
460 | } | |
461 | ||
462 | static jboolean | |
463 | _Jv_JNI_ExceptionCheck (JNIEnv *env) | |
464 | { | |
465 | return env->ex != NULL; | |
8a922095 TT |
466 | } |
467 | ||
468 | static void | |
469 | _Jv_JNI_FatalError (JNIEnv *, const char *message) | |
470 | { | |
471 | JvFail (message); | |
472 | } | |
473 | ||
7e648cf9 TT |
474 | \f |
475 | ||
8a922095 TT |
476 | static jboolean |
477 | _Jv_JNI_IsSameObject (JNIEnv *, jobject obj1, jobject obj2) | |
478 | { | |
479 | return obj1 == obj2; | |
480 | } | |
481 | ||
ee9dd372 | 482 | static jobject |
8a922095 | 483 | _Jv_JNI_AllocObject (JNIEnv *env, jclass clazz) |
ee9dd372 | 484 | { |
8a922095 TT |
485 | jobject obj = NULL; |
486 | using namespace java::lang::reflect; | |
278abd28 | 487 | |
b099f07d TT |
488 | try |
489 | { | |
490 | JvAssert (clazz && ! clazz->isArray ()); | |
491 | if (clazz->isInterface() || Modifier::isAbstract(clazz->getModifiers())) | |
492 | env->ex = new java::lang::InstantiationException (); | |
493 | else | |
494 | { | |
495 | // FIXME: will this work for String? | |
496 | obj = JvAllocObject (clazz); | |
497 | } | |
498 | } | |
499 | catch (jthrowable t) | |
8a922095 | 500 | { |
b099f07d | 501 | env->ex = t; |
8a922095 TT |
502 | } |
503 | ||
278abd28 | 504 | return wrap_value (env, obj); |
ee9dd372 TT |
505 | } |
506 | ||
8a922095 | 507 | static jclass |
7e648cf9 | 508 | _Jv_JNI_GetObjectClass (JNIEnv *env, jobject obj) |
ee9dd372 | 509 | { |
278abd28 TT |
510 | JvAssert (obj); |
511 | return (jclass) wrap_value (env, obj->getClass()); | |
ee9dd372 TT |
512 | } |
513 | ||
8a922095 TT |
514 | static jboolean |
515 | _Jv_JNI_IsInstanceOf (JNIEnv *, jobject obj, jclass clazz) | |
ee9dd372 | 516 | { |
8a922095 | 517 | return clazz->isInstance(obj); |
ee9dd372 TT |
518 | } |
519 | ||
8a922095 TT |
520 | \f |
521 | ||
522 | // | |
523 | // This section concerns method invocation. | |
524 | // | |
525 | ||
526 | template<jboolean is_static> | |
527 | static jmethodID | |
528 | _Jv_JNI_GetAnyMethodID (JNIEnv *env, jclass clazz, | |
529 | const char *name, const char *sig) | |
ee9dd372 | 530 | { |
b099f07d TT |
531 | try |
532 | { | |
533 | _Jv_InitClass (clazz); | |
8a922095 | 534 | |
b099f07d TT |
535 | _Jv_Utf8Const *name_u = _Jv_makeUtf8Const ((char *) name, -1); |
536 | _Jv_Utf8Const *sig_u = _Jv_makeUtf8Const ((char *) sig, -1); | |
8a922095 | 537 | |
b099f07d | 538 | JvAssert (! clazz->isPrimitive()); |
8a922095 | 539 | |
b099f07d | 540 | using namespace java::lang::reflect; |
8a922095 | 541 | |
b099f07d | 542 | while (clazz != NULL) |
8a922095 | 543 | { |
b099f07d TT |
544 | jint count = JvNumMethods (clazz); |
545 | jmethodID meth = JvGetFirstMethod (clazz); | |
546 | ||
547 | for (jint i = 0; i < count; ++i) | |
548 | { | |
549 | if (((is_static && Modifier::isStatic (meth->accflags)) | |
550 | || (! is_static && ! Modifier::isStatic (meth->accflags))) | |
551 | && _Jv_equalUtf8Consts (meth->name, name_u) | |
552 | && _Jv_equalUtf8Consts (meth->signature, sig_u)) | |
553 | return meth; | |
554 | ||
555 | meth = meth->getNextMethod(); | |
556 | } | |
8a922095 | 557 | |
b099f07d | 558 | clazz = clazz->getSuperclass (); |
8a922095 TT |
559 | } |
560 | ||
b099f07d TT |
561 | env->ex = new java::lang::NoSuchMethodError (); |
562 | } | |
563 | catch (jthrowable t) | |
564 | { | |
565 | env->ex = t; | |
8a922095 TT |
566 | } |
567 | ||
8a922095 TT |
568 | return NULL; |
569 | } | |
570 | ||
571 | // This is a helper function which turns a va_list into an array of | |
572 | // `jvalue's. It needs signature information in order to do its work. | |
573 | // The array of values must already be allocated. | |
574 | static void | |
575 | array_from_valist (jvalue *values, JArray<jclass> *arg_types, va_list vargs) | |
576 | { | |
577 | jclass *arg_elts = elements (arg_types); | |
578 | for (int i = 0; i < arg_types->length; ++i) | |
579 | { | |
580 | if (arg_elts[i] == JvPrimClass (byte)) | |
581 | values[i].b = va_arg (vargs, jbyte); | |
582 | else if (arg_elts[i] == JvPrimClass (short)) | |
583 | values[i].s = va_arg (vargs, jshort); | |
584 | else if (arg_elts[i] == JvPrimClass (int)) | |
585 | values[i].i = va_arg (vargs, jint); | |
586 | else if (arg_elts[i] == JvPrimClass (long)) | |
587 | values[i].j = va_arg (vargs, jlong); | |
588 | else if (arg_elts[i] == JvPrimClass (float)) | |
589 | values[i].f = va_arg (vargs, jfloat); | |
590 | else if (arg_elts[i] == JvPrimClass (double)) | |
591 | values[i].d = va_arg (vargs, jdouble); | |
592 | else if (arg_elts[i] == JvPrimClass (boolean)) | |
593 | values[i].z = va_arg (vargs, jboolean); | |
594 | else if (arg_elts[i] == JvPrimClass (char)) | |
595 | values[i].c = va_arg (vargs, jchar); | |
596 | else | |
597 | { | |
598 | // An object. | |
599 | values[i].l = va_arg (vargs, jobject); | |
600 | } | |
601 | } | |
602 | } | |
603 | ||
604 | // This can call any sort of method: virtual, "nonvirtual", static, or | |
605 | // constructor. | |
606 | template<typename T, invocation_type style> | |
607 | static T | |
608 | _Jv_JNI_CallAnyMethodV (JNIEnv *env, jobject obj, jclass klass, | |
609 | jmethodID id, va_list vargs) | |
610 | { | |
611 | if (style == normal) | |
612 | id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature); | |
613 | ||
614 | jclass decl_class = klass ? klass : obj->getClass (); | |
615 | JvAssert (decl_class != NULL); | |
616 | ||
617 | jclass return_type; | |
618 | JArray<jclass> *arg_types; | |
8a922095 | 619 | |
b099f07d TT |
620 | try |
621 | { | |
622 | _Jv_GetTypesFromSignature (id, decl_class, | |
623 | &arg_types, &return_type); | |
624 | ||
625 | jvalue args[arg_types->length]; | |
626 | array_from_valist (args, arg_types, vargs); | |
8a922095 | 627 | |
b099f07d TT |
628 | // For constructors we need to pass the Class we are instantiating. |
629 | if (style == constructor) | |
630 | return_type = klass; | |
1adbc4d8 | 631 | |
b099f07d TT |
632 | jvalue result; |
633 | jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id, | |
634 | style == constructor, | |
635 | arg_types, args, &result); | |
8a922095 | 636 | |
b099f07d TT |
637 | if (ex != NULL) |
638 | env->ex = ex; | |
8a922095 | 639 | |
b099f07d TT |
640 | // We cheat a little here. FIXME. |
641 | return wrap_value (env, * (T *) &result); | |
642 | } | |
643 | catch (jthrowable t) | |
644 | { | |
645 | env->ex = t; | |
646 | } | |
647 | ||
648 | return wrap_value (env, (T) 0); | |
8a922095 TT |
649 | } |
650 | ||
651 | template<typename T, invocation_type style> | |
652 | static T | |
653 | _Jv_JNI_CallAnyMethod (JNIEnv *env, jobject obj, jclass klass, | |
654 | jmethodID method, ...) | |
655 | { | |
656 | va_list args; | |
657 | T result; | |
658 | ||
659 | va_start (args, method); | |
660 | result = _Jv_JNI_CallAnyMethodV<T, style> (env, obj, klass, method, args); | |
661 | va_end (args); | |
662 | ||
663 | return result; | |
664 | } | |
665 | ||
666 | template<typename T, invocation_type style> | |
667 | static T | |
668 | _Jv_JNI_CallAnyMethodA (JNIEnv *env, jobject obj, jclass klass, | |
669 | jmethodID id, jvalue *args) | |
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; | |
b099f07d TT |
679 | try |
680 | { | |
681 | _Jv_GetTypesFromSignature (id, decl_class, | |
682 | &arg_types, &return_type); | |
8a922095 | 683 | |
b099f07d TT |
684 | // For constructors we need to pass the Class we are instantiating. |
685 | if (style == constructor) | |
686 | return_type = klass; | |
1adbc4d8 | 687 | |
b099f07d TT |
688 | jvalue result; |
689 | jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id, | |
690 | style == constructor, | |
691 | arg_types, args, &result); | |
8a922095 | 692 | |
b099f07d TT |
693 | if (ex != NULL) |
694 | env->ex = ex; | |
8a922095 | 695 | |
b099f07d TT |
696 | // We cheat a little here. FIXME. |
697 | return wrap_value (env, * (T *) &result); | |
698 | } | |
699 | catch (jthrowable t) | |
700 | { | |
701 | env->ex = t; | |
702 | } | |
703 | ||
704 | return wrap_value (env, (T) 0); | |
8a922095 TT |
705 | } |
706 | ||
707 | template<invocation_type style> | |
708 | static void | |
709 | _Jv_JNI_CallAnyVoidMethodV (JNIEnv *env, jobject obj, jclass klass, | |
710 | jmethodID id, va_list vargs) | |
711 | { | |
712 | if (style == normal) | |
713 | id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature); | |
714 | ||
715 | jclass decl_class = klass ? klass : obj->getClass (); | |
716 | JvAssert (decl_class != NULL); | |
717 | ||
718 | jclass return_type; | |
719 | JArray<jclass> *arg_types; | |
b099f07d TT |
720 | try |
721 | { | |
722 | _Jv_GetTypesFromSignature (id, decl_class, | |
723 | &arg_types, &return_type); | |
8a922095 | 724 | |
b099f07d TT |
725 | jvalue args[arg_types->length]; |
726 | array_from_valist (args, arg_types, vargs); | |
8a922095 | 727 | |
b099f07d TT |
728 | // For constructors we need to pass the Class we are instantiating. |
729 | if (style == constructor) | |
730 | return_type = klass; | |
1adbc4d8 | 731 | |
b099f07d TT |
732 | jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id, |
733 | style == constructor, | |
734 | arg_types, args, NULL); | |
8a922095 | 735 | |
b099f07d TT |
736 | if (ex != NULL) |
737 | env->ex = ex; | |
738 | } | |
739 | catch (jthrowable t) | |
740 | { | |
741 | env->ex = t; | |
742 | } | |
8a922095 TT |
743 | } |
744 | ||
745 | template<invocation_type style> | |
746 | static void | |
747 | _Jv_JNI_CallAnyVoidMethod (JNIEnv *env, jobject obj, jclass klass, | |
748 | jmethodID method, ...) | |
749 | { | |
750 | va_list args; | |
751 | ||
752 | va_start (args, method); | |
753 | _Jv_JNI_CallAnyVoidMethodV<style> (env, obj, klass, method, args); | |
754 | va_end (args); | |
755 | } | |
756 | ||
757 | template<invocation_type style> | |
758 | static void | |
759 | _Jv_JNI_CallAnyVoidMethodA (JNIEnv *env, jobject obj, jclass klass, | |
760 | jmethodID id, jvalue *args) | |
761 | { | |
762 | if (style == normal) | |
763 | id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature); | |
764 | ||
765 | jclass decl_class = klass ? klass : obj->getClass (); | |
766 | JvAssert (decl_class != NULL); | |
767 | ||
768 | jclass return_type; | |
769 | JArray<jclass> *arg_types; | |
b099f07d TT |
770 | try |
771 | { | |
772 | _Jv_GetTypesFromSignature (id, decl_class, | |
773 | &arg_types, &return_type); | |
8a922095 | 774 | |
b099f07d TT |
775 | jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id, |
776 | style == constructor, | |
777 | arg_types, args, NULL); | |
8a922095 | 778 | |
b099f07d TT |
779 | if (ex != NULL) |
780 | env->ex = ex; | |
781 | } | |
782 | catch (jthrowable t) | |
783 | { | |
784 | env->ex = t; | |
785 | } | |
8a922095 TT |
786 | } |
787 | ||
788 | // Functions with this signature are used to implement functions in | |
789 | // the CallMethod family. | |
790 | template<typename T> | |
791 | static T | |
792 | _Jv_JNI_CallMethodV (JNIEnv *env, jobject obj, jmethodID id, va_list args) | |
793 | { | |
794 | return _Jv_JNI_CallAnyMethodV<T, normal> (env, obj, NULL, id, args); | |
795 | } | |
796 | ||
797 | // Functions with this signature are used to implement functions in | |
798 | // the CallMethod family. | |
799 | template<typename T> | |
800 | static T | |
801 | _Jv_JNI_CallMethod (JNIEnv *env, jobject obj, jmethodID id, ...) | |
802 | { | |
803 | va_list args; | |
804 | T result; | |
805 | ||
806 | va_start (args, id); | |
807 | result = _Jv_JNI_CallAnyMethodV<T, normal> (env, obj, NULL, id, args); | |
808 | va_end (args); | |
809 | ||
810 | return result; | |
811 | } | |
812 | ||
813 | // Functions with this signature are used to implement functions in | |
814 | // the CallMethod family. | |
815 | template<typename T> | |
816 | static T | |
817 | _Jv_JNI_CallMethodA (JNIEnv *env, jobject obj, jmethodID id, jvalue *args) | |
818 | { | |
819 | return _Jv_JNI_CallAnyMethodA<T, normal> (env, obj, NULL, id, args); | |
820 | } | |
821 | ||
822 | static void | |
823 | _Jv_JNI_CallVoidMethodV (JNIEnv *env, jobject obj, jmethodID id, va_list args) | |
824 | { | |
825 | _Jv_JNI_CallAnyVoidMethodV<normal> (env, obj, NULL, id, args); | |
826 | } | |
827 | ||
828 | static void | |
829 | _Jv_JNI_CallVoidMethod (JNIEnv *env, jobject obj, jmethodID id, ...) | |
830 | { | |
831 | va_list args; | |
832 | ||
833 | va_start (args, id); | |
834 | _Jv_JNI_CallAnyVoidMethodV<normal> (env, obj, NULL, id, args); | |
835 | va_end (args); | |
ee9dd372 TT |
836 | } |
837 | ||
8a922095 TT |
838 | static void |
839 | _Jv_JNI_CallVoidMethodA (JNIEnv *env, jobject obj, jmethodID id, jvalue *args) | |
ee9dd372 | 840 | { |
8a922095 TT |
841 | _Jv_JNI_CallAnyVoidMethodA<normal> (env, obj, NULL, id, args); |
842 | } | |
843 | ||
844 | // Functions with this signature are used to implement functions in | |
845 | // the CallStaticMethod family. | |
846 | template<typename T> | |
847 | static T | |
848 | _Jv_JNI_CallStaticMethodV (JNIEnv *env, jclass klass, | |
849 | jmethodID id, va_list args) | |
850 | { | |
5ef57049 TT |
851 | JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC)); |
852 | JvAssert ((&ClassClass)->isInstance (klass)); | |
853 | ||
8a922095 TT |
854 | return _Jv_JNI_CallAnyMethodV<T, static_type> (env, NULL, klass, id, args); |
855 | } | |
856 | ||
857 | // Functions with this signature are used to implement functions in | |
858 | // the CallStaticMethod family. | |
859 | template<typename T> | |
860 | static T | |
861 | _Jv_JNI_CallStaticMethod (JNIEnv *env, jclass klass, jmethodID id, ...) | |
862 | { | |
863 | va_list args; | |
864 | T result; | |
865 | ||
5ef57049 TT |
866 | JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC)); |
867 | JvAssert ((&ClassClass)->isInstance (klass)); | |
868 | ||
8a922095 TT |
869 | va_start (args, id); |
870 | result = _Jv_JNI_CallAnyMethodV<T, static_type> (env, NULL, klass, | |
871 | id, args); | |
872 | va_end (args); | |
873 | ||
874 | return result; | |
875 | } | |
876 | ||
877 | // Functions with this signature are used to implement functions in | |
878 | // the CallStaticMethod family. | |
879 | template<typename T> | |
880 | static T | |
881 | _Jv_JNI_CallStaticMethodA (JNIEnv *env, jclass klass, jmethodID id, | |
882 | jvalue *args) | |
883 | { | |
5ef57049 TT |
884 | JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC)); |
885 | JvAssert ((&ClassClass)->isInstance (klass)); | |
886 | ||
8a922095 TT |
887 | return _Jv_JNI_CallAnyMethodA<T, static_type> (env, NULL, klass, id, args); |
888 | } | |
889 | ||
890 | static void | |
891 | _Jv_JNI_CallStaticVoidMethodV (JNIEnv *env, jclass klass, jmethodID id, | |
892 | va_list args) | |
893 | { | |
894 | _Jv_JNI_CallAnyVoidMethodV<static_type> (env, NULL, klass, id, args); | |
895 | } | |
896 | ||
897 | static void | |
898 | _Jv_JNI_CallStaticVoidMethod (JNIEnv *env, jclass klass, jmethodID id, ...) | |
899 | { | |
900 | va_list args; | |
901 | ||
902 | va_start (args, id); | |
903 | _Jv_JNI_CallAnyVoidMethodV<static_type> (env, NULL, klass, id, args); | |
904 | va_end (args); | |
905 | } | |
906 | ||
907 | static void | |
908 | _Jv_JNI_CallStaticVoidMethodA (JNIEnv *env, jclass klass, jmethodID id, | |
909 | jvalue *args) | |
910 | { | |
911 | _Jv_JNI_CallAnyVoidMethodA<static_type> (env, NULL, klass, id, args); | |
912 | } | |
913 | ||
914 | static jobject | |
915 | _Jv_JNI_NewObjectV (JNIEnv *env, jclass klass, | |
916 | jmethodID id, va_list args) | |
917 | { | |
278abd28 TT |
918 | JvAssert (klass && ! klass->isArray ()); |
919 | JvAssert (! strcmp (id->name->data, "<init>") | |
1adbc4d8 TT |
920 | && id->signature->length > 2 |
921 | && id->signature->data[0] == '(' | |
922 | && ! strcmp (&id->signature->data[id->signature->length - 2], | |
923 | ")V")); | |
924 | ||
8a922095 TT |
925 | return _Jv_JNI_CallAnyMethodV<jobject, constructor> (env, NULL, klass, |
926 | id, args); | |
927 | } | |
928 | ||
929 | static jobject | |
930 | _Jv_JNI_NewObject (JNIEnv *env, jclass klass, jmethodID id, ...) | |
931 | { | |
278abd28 TT |
932 | JvAssert (klass && ! klass->isArray ()); |
933 | JvAssert (! strcmp (id->name->data, "<init>") | |
1adbc4d8 TT |
934 | && id->signature->length > 2 |
935 | && id->signature->data[0] == '(' | |
936 | && ! strcmp (&id->signature->data[id->signature->length - 2], | |
937 | ")V")); | |
278abd28 | 938 | |
8a922095 TT |
939 | va_list args; |
940 | jobject result; | |
941 | ||
942 | va_start (args, id); | |
943 | result = _Jv_JNI_CallAnyMethodV<jobject, constructor> (env, NULL, klass, | |
944 | id, args); | |
945 | va_end (args); | |
946 | ||
947 | return result; | |
948 | } | |
949 | ||
950 | static jobject | |
951 | _Jv_JNI_NewObjectA (JNIEnv *env, jclass klass, jmethodID id, | |
952 | jvalue *args) | |
953 | { | |
278abd28 TT |
954 | JvAssert (klass && ! klass->isArray ()); |
955 | JvAssert (! strcmp (id->name->data, "<init>") | |
1adbc4d8 TT |
956 | && id->signature->length > 2 |
957 | && id->signature->data[0] == '(' | |
958 | && ! strcmp (&id->signature->data[id->signature->length - 2], | |
959 | ")V")); | |
960 | ||
8a922095 TT |
961 | return _Jv_JNI_CallAnyMethodA<jobject, constructor> (env, NULL, klass, |
962 | id, args); | |
963 | } | |
964 | ||
965 | \f | |
966 | ||
967 | template<typename T> | |
968 | static T | |
ee7f72e4 | 969 | _Jv_JNI_GetField (JNIEnv *env, jobject obj, jfieldID field) |
8a922095 | 970 | { |
278abd28 | 971 | JvAssert (obj); |
8a922095 | 972 | T *ptr = (T *) ((char *) obj + field->getOffset ()); |
ee7f72e4 | 973 | return wrap_value (env, *ptr); |
5dc489c1 TT |
974 | } |
975 | ||
8a922095 TT |
976 | template<typename T> |
977 | static void | |
978 | _Jv_JNI_SetField (JNIEnv *, jobject obj, jfieldID field, T value) | |
979 | { | |
278abd28 | 980 | JvAssert (obj); |
8a922095 TT |
981 | T *ptr = (T *) ((char *) obj + field->getOffset ()); |
982 | *ptr = value; | |
983 | } | |
984 | ||
985 | template<jboolean is_static> | |
986 | static jfieldID | |
987 | _Jv_JNI_GetAnyFieldID (JNIEnv *env, jclass clazz, | |
988 | const char *name, const char *sig) | |
989 | { | |
b099f07d TT |
990 | try |
991 | { | |
992 | _Jv_InitClass (clazz); | |
8a922095 | 993 | |
b099f07d | 994 | _Jv_Utf8Const *a_name = _Jv_makeUtf8Const ((char *) name, -1); |
8a922095 | 995 | |
b099f07d TT |
996 | jclass field_class = NULL; |
997 | if (sig[0] == '[') | |
998 | field_class = _Jv_FindClassFromSignature ((char *) sig, NULL); | |
999 | else | |
1000 | { | |
1001 | _Jv_Utf8Const *sig_u = _Jv_makeUtf8Const ((char *) sig, -1); | |
1002 | field_class = _Jv_FindClass (sig_u, NULL); | |
1003 | } | |
8a922095 | 1004 | |
b099f07d | 1005 | // FIXME: what if field_class == NULL? |
8a922095 | 1006 | |
b099f07d | 1007 | while (clazz != NULL) |
8a922095 | 1008 | { |
b099f07d TT |
1009 | jint count = (is_static |
1010 | ? JvNumStaticFields (clazz) | |
1011 | : JvNumInstanceFields (clazz)); | |
1012 | jfieldID field = (is_static | |
1013 | ? JvGetFirstStaticField (clazz) | |
1014 | : JvGetFirstInstanceField (clazz)); | |
1015 | for (jint i = 0; i < count; ++i) | |
1016 | { | |
1017 | // The field is resolved as a side effect of class | |
1018 | // initialization. | |
1019 | JvAssert (field->isResolved ()); | |
8a922095 | 1020 | |
b099f07d | 1021 | _Jv_Utf8Const *f_name = field->getNameUtf8Const(clazz); |
8a922095 | 1022 | |
b099f07d TT |
1023 | if (_Jv_equalUtf8Consts (f_name, a_name) |
1024 | && field->getClass() == field_class) | |
1025 | return field; | |
8a922095 | 1026 | |
b099f07d TT |
1027 | field = field->getNextField (); |
1028 | } | |
1029 | ||
1030 | clazz = clazz->getSuperclass (); | |
8a922095 TT |
1031 | } |
1032 | ||
b099f07d TT |
1033 | env->ex = new java::lang::NoSuchFieldError (); |
1034 | } | |
1035 | catch (jthrowable t) | |
1036 | { | |
1037 | env->ex = t; | |
8a922095 | 1038 | } |
8a922095 TT |
1039 | return NULL; |
1040 | } | |
1041 | ||
1042 | template<typename T> | |
1043 | static T | |
ee7f72e4 | 1044 | _Jv_JNI_GetStaticField (JNIEnv *env, jclass, jfieldID field) |
8a922095 TT |
1045 | { |
1046 | T *ptr = (T *) field->u.addr; | |
ee7f72e4 | 1047 | return wrap_value (env, *ptr); |
5dc489c1 TT |
1048 | } |
1049 | ||
8a922095 TT |
1050 | template<typename T> |
1051 | static void | |
1052 | _Jv_JNI_SetStaticField (JNIEnv *, jclass, jfieldID field, T value) | |
1053 | { | |
1054 | T *ptr = (T *) field->u.addr; | |
1055 | *ptr = value; | |
1056 | } | |
1057 | ||
1058 | static jstring | |
7e648cf9 | 1059 | _Jv_JNI_NewString (JNIEnv *env, const jchar *unichars, jsize len) |
8a922095 | 1060 | { |
b099f07d TT |
1061 | try |
1062 | { | |
1063 | jstring r = _Jv_NewString (unichars, len); | |
1064 | return (jstring) wrap_value (env, r); | |
1065 | } | |
1066 | catch (jthrowable t) | |
1067 | { | |
1068 | env->ex = t; | |
1069 | return NULL; | |
1070 | } | |
ee9dd372 TT |
1071 | } |
1072 | ||
1073 | static jsize | |
1074 | _Jv_JNI_GetStringLength (JNIEnv *, jstring string) | |
1075 | { | |
1076 | return string->length(); | |
1077 | } | |
1078 | ||
8a922095 TT |
1079 | static const jchar * |
1080 | _Jv_JNI_GetStringChars (JNIEnv *, jstring string, jboolean *isCopy) | |
1081 | { | |
1082 | jchar *result = _Jv_GetStringChars (string); | |
7e648cf9 | 1083 | mark_for_gc (string); |
8a922095 TT |
1084 | if (isCopy) |
1085 | *isCopy = false; | |
1086 | return (const jchar *) result; | |
1087 | } | |
1088 | ||
1089 | static void | |
7e648cf9 | 1090 | _Jv_JNI_ReleaseStringChars (JNIEnv *, jstring string, const jchar *) |
8a922095 | 1091 | { |
7e648cf9 | 1092 | unmark_for_gc (string); |
8a922095 TT |
1093 | } |
1094 | ||
1095 | static jstring | |
7e648cf9 | 1096 | _Jv_JNI_NewStringUTF (JNIEnv *env, const char *bytes) |
8a922095 | 1097 | { |
b099f07d TT |
1098 | try |
1099 | { | |
1100 | jstring result = JvNewStringUTF (bytes); | |
1101 | return (jstring) wrap_value (env, result); | |
1102 | } | |
1103 | catch (jthrowable t) | |
1104 | { | |
1105 | env->ex = t; | |
1106 | return NULL; | |
1107 | } | |
8a922095 TT |
1108 | } |
1109 | ||
1110 | static jsize | |
1111 | _Jv_JNI_GetStringUTFLength (JNIEnv *, jstring string) | |
1112 | { | |
1113 | return JvGetStringUTFLength (string); | |
1114 | } | |
1115 | ||
1116 | static const char * | |
b099f07d | 1117 | _Jv_JNI_GetStringUTFChars (JNIEnv *env, jstring string, jboolean *isCopy) |
8a922095 TT |
1118 | { |
1119 | jsize len = JvGetStringUTFLength (string); | |
b099f07d TT |
1120 | try |
1121 | { | |
1122 | char *r = (char *) _Jv_Malloc (len + 1); | |
1123 | JvGetStringUTFRegion (string, 0, len, r); | |
1124 | r[len] = '\0'; | |
8a922095 | 1125 | |
b099f07d TT |
1126 | if (isCopy) |
1127 | *isCopy = true; | |
8a922095 | 1128 | |
b099f07d TT |
1129 | return (const char *) r; |
1130 | } | |
1131 | catch (jthrowable t) | |
1132 | { | |
1133 | env->ex = t; | |
1134 | return NULL; | |
1135 | } | |
8a922095 TT |
1136 | } |
1137 | ||
1138 | static void | |
1139 | _Jv_JNI_ReleaseStringUTFChars (JNIEnv *, jstring, const char *utf) | |
1140 | { | |
1141 | _Jv_Free ((void *) utf); | |
1142 | } | |
1143 | ||
355dff4c TT |
1144 | static void |
1145 | _Jv_JNI_GetStringRegion (JNIEnv *env, jstring string, jsize start, jsize len, | |
1146 | jchar *buf) | |
1147 | { | |
1148 | jchar *result = _Jv_GetStringChars (string); | |
1149 | if (start < 0 || start > string->length () | |
1150 | || len < 0 || start + len > string->length ()) | |
b099f07d TT |
1151 | { |
1152 | try | |
1153 | { | |
1154 | env->ex = new java::lang::StringIndexOutOfBoundsException (); | |
1155 | } | |
1156 | catch (jthrowable t) | |
1157 | { | |
1158 | env->ex = t; | |
1159 | } | |
1160 | } | |
355dff4c TT |
1161 | else |
1162 | memcpy (buf, &result[start], len * sizeof (jchar)); | |
1163 | } | |
1164 | ||
1165 | static void | |
1166 | _Jv_JNI_GetStringUTFRegion (JNIEnv *env, jstring str, jsize start, | |
1167 | jsize len, char *buf) | |
1168 | { | |
1169 | if (start < 0 || start > str->length () | |
1170 | || len < 0 || start + len > str->length ()) | |
b099f07d TT |
1171 | { |
1172 | try | |
1173 | { | |
1174 | env->ex = new java::lang::StringIndexOutOfBoundsException (); | |
1175 | } | |
1176 | catch (jthrowable t) | |
1177 | { | |
1178 | env->ex = t; | |
1179 | } | |
1180 | } | |
355dff4c TT |
1181 | else |
1182 | _Jv_GetStringUTFRegion (str, start, len, buf); | |
1183 | } | |
1184 | ||
1185 | static const jchar * | |
1186 | _Jv_JNI_GetStringCritical (JNIEnv *, jstring str, jboolean *isCopy) | |
1187 | { | |
1188 | jchar *result = _Jv_GetStringChars (str); | |
1189 | if (isCopy) | |
1190 | *isCopy = false; | |
1191 | return result; | |
1192 | } | |
1193 | ||
1194 | static void | |
1195 | _Jv_JNI_ReleaseStringCritical (JNIEnv *, jstring, const jchar *) | |
1196 | { | |
1197 | // Nothing. | |
1198 | } | |
1199 | ||
8a922095 TT |
1200 | static jsize |
1201 | _Jv_JNI_GetArrayLength (JNIEnv *, jarray array) | |
1202 | { | |
1203 | return array->length; | |
1204 | } | |
1205 | ||
1206 | static jarray | |
7e648cf9 | 1207 | _Jv_JNI_NewObjectArray (JNIEnv *env, jsize length, jclass elementClass, |
8a922095 TT |
1208 | jobject init) |
1209 | { | |
b099f07d TT |
1210 | try |
1211 | { | |
1212 | jarray result = JvNewObjectArray (length, elementClass, init); | |
1213 | return (jarray) wrap_value (env, result); | |
1214 | } | |
1215 | catch (jthrowable t) | |
1216 | { | |
1217 | env->ex = t; | |
1218 | return NULL; | |
1219 | } | |
8a922095 TT |
1220 | } |
1221 | ||
1222 | static jobject | |
7e648cf9 | 1223 | _Jv_JNI_GetObjectArrayElement (JNIEnv *env, jobjectArray array, jsize index) |
8a922095 TT |
1224 | { |
1225 | jobject *elts = elements (array); | |
278abd28 | 1226 | return wrap_value (env, elts[index]); |
8a922095 TT |
1227 | } |
1228 | ||
1229 | static void | |
b099f07d | 1230 | _Jv_JNI_SetObjectArrayElement (JNIEnv *env, jobjectArray array, jsize index, |
8a922095 TT |
1231 | jobject value) |
1232 | { | |
b099f07d TT |
1233 | try |
1234 | { | |
1235 | _Jv_CheckArrayStore (array, value); | |
1236 | jobject *elts = elements (array); | |
1237 | elts[index] = value; | |
1238 | } | |
1239 | catch (jthrowable t) | |
1240 | { | |
1241 | env->ex = t; | |
1242 | } | |
8a922095 TT |
1243 | } |
1244 | ||
1245 | template<typename T, jclass K> | |
1246 | static JArray<T> * | |
7e648cf9 | 1247 | _Jv_JNI_NewPrimitiveArray (JNIEnv *env, jsize length) |
8a922095 | 1248 | { |
b099f07d TT |
1249 | try |
1250 | { | |
1251 | return (JArray<T> *) wrap_value (env, _Jv_NewPrimArray (K, length)); | |
1252 | } | |
1253 | catch (jthrowable t) | |
1254 | { | |
1255 | env->ex = t; | |
1256 | return NULL; | |
1257 | } | |
8a922095 TT |
1258 | } |
1259 | ||
1260 | template<typename T> | |
1261 | static T * | |
1262 | _Jv_JNI_GetPrimitiveArrayElements (JNIEnv *, JArray<T> *array, | |
1263 | jboolean *isCopy) | |
1264 | { | |
1265 | T *elts = elements (array); | |
1266 | if (isCopy) | |
1267 | { | |
1268 | // We elect never to copy. | |
1269 | *isCopy = false; | |
1270 | } | |
7e648cf9 | 1271 | mark_for_gc (array); |
8a922095 TT |
1272 | return elts; |
1273 | } | |
1274 | ||
1275 | template<typename T> | |
1276 | static void | |
7e648cf9 TT |
1277 | _Jv_JNI_ReleasePrimitiveArrayElements (JNIEnv *, JArray<T> *array, |
1278 | T *, jint /* mode */) | |
8a922095 TT |
1279 | { |
1280 | // Note that we ignore MODE. We can do this because we never copy | |
1281 | // the array elements. My reading of the JNI documentation is that | |
1282 | // this is an option for the implementor. | |
7e648cf9 | 1283 | unmark_for_gc (array); |
8a922095 TT |
1284 | } |
1285 | ||
1286 | template<typename T> | |
1287 | static void | |
1288 | _Jv_JNI_GetPrimitiveArrayRegion (JNIEnv *env, JArray<T> *array, | |
1289 | jsize start, jsize len, | |
1290 | T *buf) | |
1291 | { | |
1292 | if (start < 0 || len >= array->length || start + len >= array->length) | |
1293 | { | |
b099f07d TT |
1294 | try |
1295 | { | |
1296 | // FIXME: index. | |
1297 | env->ex = new java::lang::ArrayIndexOutOfBoundsException (); | |
1298 | } | |
1299 | catch (jthrowable t) | |
1300 | { | |
1301 | // Could have thown out of memory error. | |
1302 | env->ex = t; | |
1303 | } | |
8a922095 TT |
1304 | } |
1305 | else | |
1306 | { | |
1307 | T *elts = elements (array) + start; | |
1308 | memcpy (buf, elts, len * sizeof (T)); | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | template<typename T> | |
1313 | static void | |
1314 | _Jv_JNI_SetPrimitiveArrayRegion (JNIEnv *env, JArray<T> *array, | |
1315 | jsize start, jsize len, T *buf) | |
1316 | { | |
1317 | if (start < 0 || len >= array->length || start + len >= array->length) | |
1318 | { | |
b099f07d TT |
1319 | try |
1320 | { | |
1321 | // FIXME: index. | |
1322 | env->ex = new java::lang::ArrayIndexOutOfBoundsException (); | |
1323 | } | |
1324 | catch (jthrowable t) | |
1325 | { | |
1326 | env->ex = t; | |
1327 | } | |
8a922095 TT |
1328 | } |
1329 | else | |
1330 | { | |
1331 | T *elts = elements (array) + start; | |
1332 | memcpy (elts, buf, len * sizeof (T)); | |
1333 | } | |
1334 | } | |
1335 | ||
355dff4c TT |
1336 | static void * |
1337 | _Jv_JNI_GetPrimitiveArrayCritical (JNIEnv *, jarray array, | |
1338 | jboolean *isCopy) | |
1339 | { | |
1340 | // FIXME: does this work? | |
1341 | jclass klass = array->getClass()->getComponentType(); | |
1342 | JvAssert (klass->isPrimitive ()); | |
1343 | char *r = _Jv_GetArrayElementFromElementType (array, klass); | |
1344 | if (isCopy) | |
1345 | *isCopy = false; | |
1346 | return r; | |
1347 | } | |
1348 | ||
1349 | static void | |
1350 | _Jv_JNI_ReleasePrimitiveArrayCritical (JNIEnv *, jarray, void *, jint) | |
1351 | { | |
1352 | // Nothing. | |
1353 | } | |
1354 | ||
8a922095 | 1355 | static jint |
b099f07d | 1356 | _Jv_JNI_MonitorEnter (JNIEnv *env, jobject obj) |
8a922095 | 1357 | { |
b099f07d TT |
1358 | try |
1359 | { | |
1360 | return _Jv_MonitorEnter (obj); | |
1361 | } | |
1362 | catch (jthrowable t) | |
1363 | { | |
1364 | env->ex = t; | |
1365 | } | |
1366 | return JNI_ERR; | |
8a922095 TT |
1367 | } |
1368 | ||
1369 | static jint | |
b099f07d | 1370 | _Jv_JNI_MonitorExit (JNIEnv *env, jobject obj) |
8a922095 | 1371 | { |
b099f07d TT |
1372 | try |
1373 | { | |
1374 | return _Jv_MonitorExit (obj); | |
1375 | } | |
1376 | catch (jthrowable t) | |
1377 | { | |
1378 | env->ex = t; | |
1379 | } | |
1380 | return JNI_ERR; | |
8a922095 TT |
1381 | } |
1382 | ||
ee9dd372 TT |
1383 | // JDK 1.2 |
1384 | jobject | |
7e648cf9 | 1385 | _Jv_JNI_ToReflectedField (JNIEnv *env, jclass cls, jfieldID fieldID, |
355dff4c | 1386 | jboolean) |
ee9dd372 | 1387 | { |
b099f07d TT |
1388 | try |
1389 | { | |
1390 | java::lang::reflect::Field *field = new java::lang::reflect::Field(); | |
1391 | field->declaringClass = cls; | |
1392 | field->offset = (char*) fieldID - (char *) cls->fields; | |
1393 | field->name = _Jv_NewStringUtf8Const (fieldID->getNameUtf8Const (cls)); | |
1394 | return wrap_value (env, field); | |
1395 | } | |
1396 | catch (jthrowable t) | |
1397 | { | |
1398 | env->ex = t; | |
1399 | } | |
1400 | return NULL; | |
ee9dd372 TT |
1401 | } |
1402 | ||
1403 | // JDK 1.2 | |
355dff4c TT |
1404 | static jfieldID |
1405 | _Jv_JNI_FromReflectedField (JNIEnv *, jobject f) | |
ee9dd372 | 1406 | { |
355dff4c TT |
1407 | using namespace java::lang::reflect; |
1408 | ||
1409 | Field *field = reinterpret_cast<Field *> (f); | |
ee9dd372 TT |
1410 | return _Jv_FromReflectedField (field); |
1411 | } | |
1412 | ||
355dff4c | 1413 | jobject |
7e648cf9 | 1414 | _Jv_JNI_ToReflectedMethod (JNIEnv *env, jclass klass, jmethodID id, |
355dff4c TT |
1415 | jboolean) |
1416 | { | |
1417 | using namespace java::lang::reflect; | |
1418 | ||
1419 | // FIXME. | |
1420 | static _Jv_Utf8Const *init_name = _Jv_makeUtf8Const ("<init>", 6); | |
1421 | ||
b099f07d TT |
1422 | jobject result = NULL; |
1423 | ||
1424 | try | |
355dff4c | 1425 | { |
b099f07d TT |
1426 | if (_Jv_equalUtf8Consts (id->name, init_name)) |
1427 | { | |
1428 | // A constructor. | |
1429 | Constructor *cons = new Constructor (); | |
1430 | cons->offset = (char *) id - (char *) &klass->methods; | |
1431 | cons->declaringClass = klass; | |
1432 | result = cons; | |
1433 | } | |
1434 | else | |
1435 | { | |
1436 | Method *meth = new Method (); | |
1437 | meth->offset = (char *) id - (char *) &klass->methods; | |
1438 | meth->declaringClass = klass; | |
1439 | result = meth; | |
1440 | } | |
355dff4c | 1441 | } |
b099f07d | 1442 | catch (jthrowable t) |
355dff4c | 1443 | { |
b099f07d | 1444 | env->ex = t; |
355dff4c TT |
1445 | } |
1446 | ||
278abd28 | 1447 | return wrap_value (env, result); |
355dff4c TT |
1448 | } |
1449 | ||
1450 | static jmethodID | |
1451 | _Jv_JNI_FromReflectedMethod (JNIEnv *, jobject method) | |
1452 | { | |
1453 | using namespace java::lang::reflect; | |
1454 | if ((&MethodClass)->isInstance (method)) | |
1455 | return _Jv_FromReflectedMethod (reinterpret_cast<Method *> (method)); | |
1456 | return | |
1457 | _Jv_FromReflectedConstructor (reinterpret_cast<Constructor *> (method)); | |
1458 | } | |
1459 | ||
8ade4771 TT |
1460 | static jint |
1461 | _Jv_JNI_RegisterNatives (JNIEnv *env, jclass k, | |
1462 | const JNINativeMethod *methods, | |
1463 | jint nMethods) | |
1464 | { | |
ac52f669 | 1465 | #ifdef INTERPRETER |
8ade4771 TT |
1466 | // For now, this only matters for interpreted methods. FIXME. |
1467 | if (! _Jv_IsInterpretedClass (k)) | |
1468 | { | |
1469 | // FIXME: throw exception. | |
1470 | return JNI_ERR; | |
1471 | } | |
1472 | _Jv_InterpClass *klass = reinterpret_cast<_Jv_InterpClass *> (k); | |
1473 | ||
1474 | // Look at each descriptor given us, and find the corresponding | |
1475 | // method in the class. | |
1476 | for (int j = 0; j < nMethods; ++j) | |
1477 | { | |
1478 | bool found = false; | |
1479 | ||
1480 | _Jv_MethodBase **imeths = _Jv_GetFirstMethod (klass); | |
1481 | for (int i = 0; i < JvNumMethods (klass); ++i) | |
1482 | { | |
1483 | _Jv_MethodBase *meth = imeths[i]; | |
1484 | _Jv_Method *self = meth->get_method (); | |
1485 | ||
1486 | if (! strcmp (self->name->data, methods[j].name) | |
1487 | && ! strcmp (self->signature->data, methods[j].signature)) | |
1488 | { | |
1489 | if (! (self->accflags | |
1490 | & java::lang::reflect::Modifier::NATIVE)) | |
1491 | break; | |
1492 | ||
1493 | // Found a match that is native. | |
1494 | _Jv_JNIMethod *jmeth = reinterpret_cast<_Jv_JNIMethod *> (meth); | |
1495 | jmeth->set_function (methods[i].fnPtr); | |
1496 | found = true; | |
1497 | break; | |
1498 | } | |
1499 | } | |
1500 | ||
1501 | if (! found) | |
1502 | { | |
1503 | jstring m = JvNewStringUTF (methods[j].name); | |
b099f07d TT |
1504 | try |
1505 | { | |
1506 | env->ex =new java::lang::NoSuchMethodError (m); | |
1507 | } | |
1508 | catch (jthrowable t) | |
1509 | { | |
1510 | env->ex = t; | |
1511 | } | |
8ade4771 TT |
1512 | return JNI_ERR; |
1513 | } | |
1514 | } | |
1515 | ||
1516 | return JNI_OK; | |
ac52f669 TT |
1517 | #else /* INTERPRETER */ |
1518 | return JNI_ERR; | |
1519 | #endif /* INTERPRETER */ | |
8ade4771 TT |
1520 | } |
1521 | ||
1522 | static jint | |
1523 | _Jv_JNI_UnregisterNatives (JNIEnv *, jclass) | |
1524 | { | |
1525 | return JNI_ERR; | |
1526 | } | |
1527 | ||
355dff4c TT |
1528 | \f |
1529 | ||
f39b788a TT |
1530 | #ifdef INTERPRETER |
1531 | ||
facc279f TT |
1532 | // Add a character to the buffer, encoding properly. |
1533 | static void | |
1534 | add_char (char *buf, jchar c, int *here) | |
1535 | { | |
1536 | if (c == '_') | |
1537 | { | |
1538 | buf[(*here)++] = '_'; | |
1539 | buf[(*here)++] = '1'; | |
1540 | } | |
1541 | else if (c == ';') | |
1542 | { | |
1543 | buf[(*here)++] = '_'; | |
1544 | buf[(*here)++] = '2'; | |
1545 | } | |
1546 | else if (c == '[') | |
1547 | { | |
1548 | buf[(*here)++] = '_'; | |
1549 | buf[(*here)++] = '3'; | |
1550 | } | |
1551 | else if (c == '/') | |
1552 | buf[(*here)++] = '_'; | |
abfb7844 | 1553 | else if ((c >= '0' && c <= '9') |
facc279f TT |
1554 | || (c >= 'a' && c <= 'z') |
1555 | || (c >= 'A' && c <= 'Z')) | |
1556 | buf[(*here)++] = (char) c; | |
1557 | else | |
1558 | { | |
1559 | // "Unicode" character. | |
1560 | buf[(*here)++] = '_'; | |
1561 | buf[(*here)++] = '0'; | |
1562 | for (int i = 0; i < 4; ++i) | |
1563 | { | |
1564 | int val = c & 0x0f; | |
1565 | buf[(*here) + 4 - i] = (val > 10) ? ('a' + val - 10) : ('0' + val); | |
1566 | c >>= 4; | |
1567 | } | |
1568 | *here += 4; | |
1569 | } | |
1570 | } | |
1571 | ||
1572 | // Compute a mangled name for a native function. This computes the | |
1573 | // long name, and also returns an index which indicates where a NUL | |
1574 | // can be placed to create the short name. This function assumes that | |
1575 | // the buffer is large enough for its results. | |
1576 | static void | |
1577 | mangled_name (jclass klass, _Jv_Utf8Const *func_name, | |
1578 | _Jv_Utf8Const *signature, char *buf, int *long_start) | |
1579 | { | |
1580 | strcpy (buf, "Java_"); | |
1581 | int here = 5; | |
1582 | ||
1583 | // Add fully qualified class name. | |
1584 | jchar *chars = _Jv_GetStringChars (klass->getName ()); | |
1585 | jint len = klass->getName ()->length (); | |
1586 | for (int i = 0; i < len; ++i) | |
1587 | add_char (buf, chars[i], &here); | |
1588 | ||
1589 | // Don't use add_char because we need a literal `_'. | |
1590 | buf[here++] = '_'; | |
1591 | ||
1592 | const unsigned char *fn = (const unsigned char *) func_name->data; | |
1593 | const unsigned char *limit = fn + func_name->length; | |
1594 | for (int i = 0; ; ++i) | |
1595 | { | |
1596 | int ch = UTF8_GET (fn, limit); | |
1597 | if (ch < 0) | |
1598 | break; | |
1599 | add_char (buf, ch, &here); | |
1600 | } | |
1601 | ||
1602 | // This is where the long signature begins. | |
1603 | *long_start = here; | |
1604 | buf[here++] = '_'; | |
1605 | buf[here++] = '_'; | |
1606 | ||
1607 | const unsigned char *sig = (const unsigned char *) signature->data; | |
1608 | limit = sig + signature->length; | |
1609 | JvAssert (signature[0] == '('); | |
cdd59e7b TT |
1610 | ++sig; |
1611 | while (1) | |
facc279f TT |
1612 | { |
1613 | int ch = UTF8_GET (sig, limit); | |
1614 | if (ch == ')' || ch < 0) | |
1615 | break; | |
1616 | add_char (buf, ch, &here); | |
1617 | } | |
1618 | ||
1619 | buf[here] = '\0'; | |
1620 | } | |
1621 | ||
8d00f617 TT |
1622 | // Return the current thread's JNIEnv; if one does not exist, create |
1623 | // it. Also create a new system frame for use. This is `extern "C"' | |
1624 | // because the compiler calls it. | |
1625 | extern "C" JNIEnv * | |
1626 | _Jv_GetJNIEnvNewFrame (jclass klass) | |
355dff4c | 1627 | { |
8d00f617 TT |
1628 | JNIEnv *env = _Jv_GetCurrentJNIEnv (); |
1629 | if (env == NULL) | |
1630 | { | |
1631 | env = (JNIEnv *) _Jv_MallocUnchecked (sizeof (JNIEnv)); | |
1632 | env->p = &_Jv_JNIFunctions; | |
1633 | env->ex = NULL; | |
1634 | env->klass = klass; | |
1635 | env->locals = NULL; | |
ee6713e7 | 1636 | |
8d00f617 TT |
1637 | _Jv_SetCurrentJNIEnv (env); |
1638 | } | |
355dff4c | 1639 | |
8d00f617 TT |
1640 | _Jv_JNI_LocalFrame *frame |
1641 | = (_Jv_JNI_LocalFrame *) _Jv_MallocUnchecked (sizeof (_Jv_JNI_LocalFrame) | |
1642 | + (FRAME_SIZE | |
1643 | * sizeof (jobject))); | |
7e648cf9 | 1644 | |
8d00f617 | 1645 | frame->marker = MARK_SYSTEM; |
7e648cf9 | 1646 | frame->size = FRAME_SIZE; |
8d00f617 TT |
1647 | frame->next = env->locals; |
1648 | env->locals = frame; | |
1649 | ||
7e648cf9 TT |
1650 | for (int i = 0; i < frame->size; ++i) |
1651 | frame->vec[i] = NULL; | |
355dff4c | 1652 | |
8d00f617 TT |
1653 | return env; |
1654 | } | |
1655 | ||
1656 | // Return the function which implements a particular JNI method. If | |
1657 | // we can't find the function, we throw the appropriate exception. | |
1658 | // This is `extern "C"' because the compiler uses it. | |
1659 | extern "C" void * | |
1660 | _Jv_LookupJNIMethod (jclass klass, _Jv_Utf8Const *name, | |
1661 | _Jv_Utf8Const *signature) | |
1662 | { | |
1663 | char buf[10 + 6 * (name->length + signature->length)]; | |
1664 | int long_start; | |
1665 | void *function; | |
1666 | ||
1667 | mangled_name (klass, name, signature, buf, &long_start); | |
1668 | char c = buf[long_start]; | |
1669 | buf[long_start] = '\0'; | |
1670 | function = _Jv_FindSymbolInExecutable (buf); | |
1671 | if (function == NULL) | |
1672 | { | |
1673 | buf[long_start] = c; | |
1674 | function = _Jv_FindSymbolInExecutable (buf); | |
1675 | if (function == NULL) | |
1676 | { | |
1677 | jstring str = JvNewStringUTF (name->data); | |
1678 | JvThrow (new java::lang::AbstractMethodError (str)); | |
1679 | } | |
1680 | } | |
1681 | ||
1682 | return function; | |
1683 | } | |
1684 | ||
1685 | // This function is the stub which is used to turn an ordinary (CNI) | |
1686 | // method call into a JNI call. | |
1687 | void | |
1688 | _Jv_JNIMethod::call (ffi_cif *, void *ret, ffi_raw *args, void *__this) | |
1689 | { | |
1690 | _Jv_JNIMethod* _this = (_Jv_JNIMethod *) __this; | |
1691 | ||
1692 | JNIEnv *env = _Jv_GetJNIEnvNewFrame (_this->defining_class); | |
1693 | ||
ee6713e7 TT |
1694 | // FIXME: we should mark every reference parameter as a local. For |
1695 | // now we assume a conservative GC, and we assume that the | |
1696 | // references are on the stack somewhere. | |
1697 | ||
facc279f TT |
1698 | // We cache the value that we find, of course, but if we don't find |
1699 | // a value we don't cache that fact -- we might subsequently load a | |
1700 | // library which finds the function in question. | |
1701 | if (_this->function == NULL) | |
8d00f617 TT |
1702 | _this->function = _Jv_LookupJNIMethod (_this->defining_class, |
1703 | _this->self->name, | |
1704 | _this->self->signature); | |
facc279f | 1705 | |
d348bda4 TT |
1706 | JvAssert (_this->args_raw_size % sizeof (ffi_raw) == 0); |
1707 | ffi_raw real_args[2 + _this->args_raw_size / sizeof (ffi_raw)]; | |
1708 | int offset = 0; | |
1709 | ||
1710 | // First argument is always the environment pointer. | |
8d00f617 | 1711 | real_args[offset++].ptr = env; |
d348bda4 TT |
1712 | |
1713 | // For a static method, we pass in the Class. For non-static | |
1714 | // methods, the `this' argument is already handled. | |
1715 | if ((_this->self->accflags & java::lang::reflect::Modifier::STATIC)) | |
1716 | real_args[offset++].ptr = _this->defining_class; | |
1717 | ||
1718 | // Copy over passed-in arguments. | |
1719 | memcpy (&real_args[offset], args, _this->args_raw_size); | |
1720 | ||
facc279f | 1721 | // The actual call to the JNI function. |
d348bda4 TT |
1722 | ffi_raw_call (&_this->jni_cif, (void (*) (...)) _this->function, |
1723 | ret, real_args); | |
355dff4c | 1724 | |
8d00f617 | 1725 | _Jv_JNI_PopSystemFrame (env); |
7e648cf9 | 1726 | |
8d00f617 TT |
1727 | if (env->ex) |
1728 | JvThrow (env->ex); | |
355dff4c | 1729 | } |
355dff4c | 1730 | |
f39b788a TT |
1731 | #endif /* INTERPRETER */ |
1732 | ||
355dff4c TT |
1733 | \f |
1734 | ||
aaf0766e TT |
1735 | // |
1736 | // Invocation API. | |
1737 | // | |
1738 | ||
1739 | // An internal helper function. | |
1740 | static jint | |
1741 | _Jv_JNI_AttachCurrentThread (JavaVM *, jstring name, void **penv, void *args) | |
1742 | { | |
1743 | JavaVMAttachArgs *attach = reinterpret_cast<JavaVMAttachArgs *> (args); | |
1744 | java::lang::ThreadGroup *group = NULL; | |
1745 | ||
1746 | if (attach) | |
1747 | { | |
1748 | // FIXME: do we really want to support 1.1? | |
1749 | if (attach->version != JNI_VERSION_1_2 | |
1750 | && attach->version != JNI_VERSION_1_1) | |
1751 | return JNI_EVERSION; | |
1752 | ||
1753 | JvAssert ((&ThreadGroupClass)->isInstance (attach->group)); | |
1754 | group = reinterpret_cast<java::lang::ThreadGroup *> (attach->group); | |
1755 | } | |
1756 | ||
1757 | // Attaching an already-attached thread is a no-op. | |
8ade4771 | 1758 | if (_Jv_GetCurrentJNIEnv () != NULL) |
aaf0766e TT |
1759 | return 0; |
1760 | ||
aaf0766e | 1761 | JNIEnv *env = (JNIEnv *) _Jv_MallocUnchecked (sizeof (JNIEnv)); |
2d759f71 TT |
1762 | if (env == NULL) |
1763 | return JNI_ERR; | |
aaf0766e TT |
1764 | env->p = &_Jv_JNIFunctions; |
1765 | env->ex = NULL; | |
1766 | env->klass = NULL; | |
aaf0766e TT |
1767 | env->locals |
1768 | = (_Jv_JNI_LocalFrame *) _Jv_MallocUnchecked (sizeof (_Jv_JNI_LocalFrame) | |
1769 | + (FRAME_SIZE | |
1770 | * sizeof (jobject))); | |
2d759f71 TT |
1771 | if (env->locals == NULL) |
1772 | { | |
1773 | _Jv_Free (env); | |
1774 | return JNI_ERR; | |
1775 | } | |
aaf0766e TT |
1776 | *penv = reinterpret_cast<void *> (env); |
1777 | ||
8ade4771 TT |
1778 | // This thread might already be a Java thread -- this function might |
1779 | // have been called simply to set the new JNIEnv. | |
1780 | if (_Jv_ThreadCurrent () == NULL) | |
1781 | { | |
b099f07d TT |
1782 | try |
1783 | { | |
1784 | (void) new gnu::gcj::jni::NativeThread (group, name); | |
1785 | } | |
1786 | catch (jthrowable t) | |
1787 | { | |
1788 | return JNI_ERR; | |
1789 | } | |
8ade4771 | 1790 | } |
aaf0766e TT |
1791 | _Jv_SetCurrentJNIEnv (env); |
1792 | ||
1793 | return 0; | |
1794 | } | |
1795 | ||
1796 | // This is the one actually used by JNI. | |
1797 | static jint | |
1798 | _Jv_JNI_AttachCurrentThread (JavaVM *vm, void **penv, void *args) | |
1799 | { | |
1800 | return _Jv_JNI_AttachCurrentThread (vm, NULL, penv, args); | |
1801 | } | |
1802 | ||
1803 | static jint | |
1804 | _Jv_JNI_DestroyJavaVM (JavaVM *vm) | |
1805 | { | |
1806 | JvAssert (the_vm && vm == the_vm); | |
1807 | ||
1808 | JNIEnv *env; | |
1809 | if (_Jv_ThreadCurrent () != NULL) | |
1810 | { | |
b099f07d TT |
1811 | jstring main_name; |
1812 | // This sucks. | |
1813 | try | |
1814 | { | |
1815 | main_name = JvNewStringLatin1 ("main"); | |
1816 | } | |
1817 | catch (jthrowable t) | |
1818 | { | |
1819 | return JNI_ERR; | |
1820 | } | |
1821 | ||
aaf0766e | 1822 | jint r = _Jv_JNI_AttachCurrentThread (vm, |
b099f07d | 1823 | main_name, |
aaf0766e TT |
1824 | reinterpret_cast<void **> (&env), |
1825 | NULL); | |
1826 | if (r < 0) | |
1827 | return r; | |
1828 | } | |
1829 | else | |
1830 | env = _Jv_GetCurrentJNIEnv (); | |
1831 | ||
1832 | _Jv_ThreadWait (); | |
1833 | ||
1834 | // Docs say that this always returns an error code. | |
1835 | return JNI_ERR; | |
1836 | } | |
1837 | ||
1838 | static jint | |
1839 | _Jv_JNI_DetachCurrentThread (JavaVM *) | |
1840 | { | |
1841 | java::lang::Thread *t = _Jv_ThreadCurrent (); | |
1842 | if (t == NULL) | |
1843 | return JNI_EDETACHED; | |
1844 | ||
1845 | // FIXME: we only allow threads attached via AttachCurrentThread to | |
1846 | // be detached. I have no idea how we could implement detaching | |
1847 | // other threads, given the requirement that we must release all the | |
1848 | // monitors. That just seems evil. | |
1849 | JvAssert ((&NativeThreadClass)->isInstance (t)); | |
1850 | ||
1851 | // FIXME: release the monitors. We'll take this to mean all | |
1852 | // monitors acquired via the JNI interface. This means we have to | |
1853 | // keep track of them. | |
1854 | ||
1855 | gnu::gcj::jni::NativeThread *nt | |
1856 | = reinterpret_cast<gnu::gcj::jni::NativeThread *> (t); | |
1857 | nt->finish (); | |
1858 | ||
1859 | return 0; | |
1860 | } | |
1861 | ||
1862 | static jint | |
1863 | _Jv_JNI_GetEnv (JavaVM *, void **penv, jint version) | |
1864 | { | |
1865 | if (_Jv_ThreadCurrent () == NULL) | |
1866 | { | |
1867 | *penv = NULL; | |
1868 | return JNI_EDETACHED; | |
1869 | } | |
1870 | ||
1871 | // FIXME: do we really want to support 1.1? | |
1872 | if (version != JNI_VERSION_1_2 && version != JNI_VERSION_1_1) | |
1873 | { | |
1874 | *penv = NULL; | |
1875 | return JNI_EVERSION; | |
1876 | } | |
1877 | ||
1878 | *penv = (void *) _Jv_GetCurrentJNIEnv (); | |
1879 | return 0; | |
1880 | } | |
1881 | ||
1882 | jint | |
1883 | JNI_GetDefaultJavaVMInitArgs (void *args) | |
1884 | { | |
1885 | jint version = * (jint *) args; | |
1886 | // Here we only support 1.2. | |
1887 | if (version != JNI_VERSION_1_2) | |
1888 | return JNI_EVERSION; | |
1889 | ||
1890 | JavaVMInitArgs *ia = reinterpret_cast<JavaVMInitArgs *> (args); | |
1891 | ia->version = JNI_VERSION_1_2; | |
1892 | ia->nOptions = 0; | |
1893 | ia->options = NULL; | |
1894 | ia->ignoreUnrecognized = true; | |
1895 | ||
1896 | return 0; | |
1897 | } | |
1898 | ||
1899 | jint | |
1900 | JNI_CreateJavaVM (JavaVM **vm, void **penv, void *args) | |
1901 | { | |
1902 | JvAssert (! the_vm); | |
1903 | // FIXME: synchronize | |
1904 | JavaVM *nvm = (JavaVM *) _Jv_MallocUnchecked (sizeof (JavaVM)); | |
1905 | if (nvm == NULL) | |
1906 | return JNI_ERR; | |
1907 | nvm->functions = &_Jv_JNI_InvokeFunctions; | |
1908 | ||
1909 | // Parse the arguments. | |
1910 | if (args != NULL) | |
1911 | { | |
1912 | jint version = * (jint *) args; | |
1913 | // We only support 1.2. | |
1914 | if (version != JNI_VERSION_1_2) | |
1915 | return JNI_EVERSION; | |
1916 | JavaVMInitArgs *ia = reinterpret_cast<JavaVMInitArgs *> (args); | |
1917 | for (int i = 0; i < ia->nOptions; ++i) | |
1918 | { | |
1919 | if (! strcmp (ia->options[i].optionString, "vfprintf") | |
1920 | || ! strcmp (ia->options[i].optionString, "exit") | |
1921 | || ! strcmp (ia->options[i].optionString, "abort")) | |
1922 | { | |
1923 | // We are required to recognize these, but for now we | |
1924 | // don't handle them in any way. FIXME. | |
1925 | continue; | |
1926 | } | |
1927 | else if (! strncmp (ia->options[i].optionString, | |
1928 | "-verbose", sizeof ("-verbose") - 1)) | |
1929 | { | |
1930 | // We don't do anything with this option either. We | |
1931 | // might want to make sure the argument is valid, but we | |
1932 | // don't really care all that much for now. | |
1933 | continue; | |
1934 | } | |
1935 | else if (! strncmp (ia->options[i].optionString, "-D", 2)) | |
1936 | { | |
1937 | // FIXME. | |
1938 | continue; | |
1939 | } | |
1940 | else if (ia->ignoreUnrecognized) | |
1941 | { | |
1942 | if (ia->options[i].optionString[0] == '_' | |
1943 | || ! strncmp (ia->options[i].optionString, "-X", 2)) | |
1944 | continue; | |
1945 | } | |
1946 | ||
1947 | return JNI_ERR; | |
1948 | } | |
1949 | } | |
1950 | ||
1951 | jint r =_Jv_JNI_AttachCurrentThread (nvm, penv, NULL); | |
1952 | if (r < 0) | |
1953 | return r; | |
1954 | ||
1955 | the_vm = nvm; | |
1956 | *vm = the_vm; | |
1957 | return 0; | |
1958 | } | |
1959 | ||
1960 | jint | |
e1b15113 | 1961 | JNI_GetCreatedJavaVMs (JavaVM **vm_buffer, jsize /* buf_len */, jsize *n_vms) |
aaf0766e TT |
1962 | { |
1963 | JvAssert (buf_len > 0); | |
1964 | // We only support a single VM. | |
1965 | if (the_vm != NULL) | |
1966 | { | |
1967 | vm_buffer[0] = the_vm; | |
1968 | *n_vms = 1; | |
1969 | } | |
1970 | else | |
1971 | *n_vms = 0; | |
1972 | return 0; | |
1973 | } | |
1974 | ||
8ade4771 TT |
1975 | JavaVM * |
1976 | _Jv_GetJavaVM () | |
aaf0766e TT |
1977 | { |
1978 | // FIXME: synchronize | |
1979 | if (! the_vm) | |
1980 | { | |
1981 | JavaVM *nvm = (JavaVM *) _Jv_MallocUnchecked (sizeof (JavaVM)); | |
8ade4771 TT |
1982 | if (nvm != NULL) |
1983 | nvm->functions = &_Jv_JNI_InvokeFunctions; | |
aaf0766e TT |
1984 | the_vm = nvm; |
1985 | } | |
1986 | ||
8ade4771 TT |
1987 | // If this is a Java thread, we want to make sure it has an |
1988 | // associated JNIEnv. | |
1989 | if (_Jv_ThreadCurrent () != NULL) | |
1990 | { | |
1991 | void *ignore; | |
1992 | _Jv_JNI_AttachCurrentThread (the_vm, &ignore, NULL); | |
1993 | } | |
1994 | ||
1995 | return the_vm; | |
1996 | } | |
1997 | ||
1998 | static jint | |
1999 | _Jv_JNI_GetJavaVM (JNIEnv *, JavaVM **vm) | |
2000 | { | |
2001 | *vm = _Jv_GetJavaVM (); | |
2002 | return *vm == NULL ? JNI_ERR : JNI_OK; | |
aaf0766e TT |
2003 | } |
2004 | ||
2005 | \f | |
2006 | ||
ee9dd372 | 2007 | #define NOT_IMPL NULL |
8a922095 | 2008 | #define RESERVED NULL |
ee9dd372 TT |
2009 | |
2010 | struct JNINativeInterface _Jv_JNIFunctions = | |
2011 | { | |
8a922095 TT |
2012 | RESERVED, |
2013 | RESERVED, | |
2014 | RESERVED, | |
2015 | RESERVED, | |
2016 | _Jv_JNI_GetVersion, | |
355dff4c TT |
2017 | _Jv_JNI_DefineClass, |
2018 | _Jv_JNI_FindClass, | |
2019 | _Jv_JNI_FromReflectedMethod, | |
2020 | _Jv_JNI_FromReflectedField, | |
2021 | _Jv_JNI_ToReflectedMethod, | |
ee9dd372 | 2022 | _Jv_JNI_GetSuperclass, |
355dff4c TT |
2023 | _Jv_JNI_IsAssignableFrom, |
2024 | _Jv_JNI_ToReflectedField, | |
8a922095 TT |
2025 | _Jv_JNI_Throw, |
2026 | _Jv_JNI_ThrowNew, | |
2027 | _Jv_JNI_ExceptionOccurred, | |
2028 | _Jv_JNI_ExceptionDescribe, | |
2029 | _Jv_JNI_ExceptionClear, | |
2030 | _Jv_JNI_FatalError, | |
7e648cf9 TT |
2031 | |
2032 | _Jv_JNI_PushLocalFrame, | |
2033 | _Jv_JNI_PopLocalFrame, | |
2034 | _Jv_JNI_NewGlobalRef, | |
2035 | _Jv_JNI_DeleteGlobalRef, | |
2036 | _Jv_JNI_DeleteLocalRef, | |
2037 | ||
8a922095 | 2038 | _Jv_JNI_IsSameObject, |
7e648cf9 TT |
2039 | |
2040 | _Jv_JNI_NewLocalRef, | |
2041 | _Jv_JNI_EnsureLocalCapacity, | |
2042 | ||
8a922095 TT |
2043 | _Jv_JNI_AllocObject, |
2044 | _Jv_JNI_NewObject, | |
2045 | _Jv_JNI_NewObjectV, | |
2046 | _Jv_JNI_NewObjectA, | |
2047 | _Jv_JNI_GetObjectClass, | |
2048 | _Jv_JNI_IsInstanceOf, | |
2049 | _Jv_JNI_GetAnyMethodID<false>, | |
2050 | ||
2051 | _Jv_JNI_CallMethod<jobject>, | |
2052 | _Jv_JNI_CallMethodV<jobject>, | |
2053 | _Jv_JNI_CallMethodA<jobject>, | |
2054 | _Jv_JNI_CallMethod<jboolean>, | |
2055 | _Jv_JNI_CallMethodV<jboolean>, | |
2056 | _Jv_JNI_CallMethodA<jboolean>, | |
2057 | _Jv_JNI_CallMethod<jbyte>, | |
2058 | _Jv_JNI_CallMethodV<jbyte>, | |
2059 | _Jv_JNI_CallMethodA<jbyte>, | |
2060 | _Jv_JNI_CallMethod<jchar>, | |
2061 | _Jv_JNI_CallMethodV<jchar>, | |
2062 | _Jv_JNI_CallMethodA<jchar>, | |
2063 | _Jv_JNI_CallMethod<jshort>, | |
2064 | _Jv_JNI_CallMethodV<jshort>, | |
2065 | _Jv_JNI_CallMethodA<jshort>, | |
2066 | _Jv_JNI_CallMethod<jint>, | |
2067 | _Jv_JNI_CallMethodV<jint>, | |
2068 | _Jv_JNI_CallMethodA<jint>, | |
2069 | _Jv_JNI_CallMethod<jlong>, | |
2070 | _Jv_JNI_CallMethodV<jlong>, | |
2071 | _Jv_JNI_CallMethodA<jlong>, | |
2072 | _Jv_JNI_CallMethod<jfloat>, | |
2073 | _Jv_JNI_CallMethodV<jfloat>, | |
2074 | _Jv_JNI_CallMethodA<jfloat>, | |
2075 | _Jv_JNI_CallMethod<jdouble>, | |
2076 | _Jv_JNI_CallMethodV<jdouble>, | |
2077 | _Jv_JNI_CallMethodA<jdouble>, | |
2078 | _Jv_JNI_CallVoidMethod, | |
2079 | _Jv_JNI_CallVoidMethodV, | |
2080 | _Jv_JNI_CallVoidMethodA, | |
2081 | ||
2082 | // Nonvirtual method invocation functions follow. | |
2083 | _Jv_JNI_CallAnyMethod<jobject, nonvirtual>, | |
2084 | _Jv_JNI_CallAnyMethodV<jobject, nonvirtual>, | |
2085 | _Jv_JNI_CallAnyMethodA<jobject, nonvirtual>, | |
2086 | _Jv_JNI_CallAnyMethod<jboolean, nonvirtual>, | |
2087 | _Jv_JNI_CallAnyMethodV<jboolean, nonvirtual>, | |
2088 | _Jv_JNI_CallAnyMethodA<jboolean, nonvirtual>, | |
2089 | _Jv_JNI_CallAnyMethod<jbyte, nonvirtual>, | |
2090 | _Jv_JNI_CallAnyMethodV<jbyte, nonvirtual>, | |
2091 | _Jv_JNI_CallAnyMethodA<jbyte, nonvirtual>, | |
2092 | _Jv_JNI_CallAnyMethod<jchar, nonvirtual>, | |
2093 | _Jv_JNI_CallAnyMethodV<jchar, nonvirtual>, | |
2094 | _Jv_JNI_CallAnyMethodA<jchar, nonvirtual>, | |
2095 | _Jv_JNI_CallAnyMethod<jshort, nonvirtual>, | |
2096 | _Jv_JNI_CallAnyMethodV<jshort, nonvirtual>, | |
2097 | _Jv_JNI_CallAnyMethodA<jshort, nonvirtual>, | |
2098 | _Jv_JNI_CallAnyMethod<jint, nonvirtual>, | |
2099 | _Jv_JNI_CallAnyMethodV<jint, nonvirtual>, | |
2100 | _Jv_JNI_CallAnyMethodA<jint, nonvirtual>, | |
2101 | _Jv_JNI_CallAnyMethod<jlong, nonvirtual>, | |
2102 | _Jv_JNI_CallAnyMethodV<jlong, nonvirtual>, | |
2103 | _Jv_JNI_CallAnyMethodA<jlong, nonvirtual>, | |
2104 | _Jv_JNI_CallAnyMethod<jfloat, nonvirtual>, | |
2105 | _Jv_JNI_CallAnyMethodV<jfloat, nonvirtual>, | |
2106 | _Jv_JNI_CallAnyMethodA<jfloat, nonvirtual>, | |
2107 | _Jv_JNI_CallAnyMethod<jdouble, nonvirtual>, | |
2108 | _Jv_JNI_CallAnyMethodV<jdouble, nonvirtual>, | |
2109 | _Jv_JNI_CallAnyMethodA<jdouble, nonvirtual>, | |
2110 | _Jv_JNI_CallAnyVoidMethod<nonvirtual>, | |
2111 | _Jv_JNI_CallAnyVoidMethodV<nonvirtual>, | |
2112 | _Jv_JNI_CallAnyVoidMethodA<nonvirtual>, | |
2113 | ||
2114 | _Jv_JNI_GetAnyFieldID<false>, | |
2115 | _Jv_JNI_GetField<jobject>, | |
2116 | _Jv_JNI_GetField<jboolean>, | |
2117 | _Jv_JNI_GetField<jbyte>, | |
2118 | _Jv_JNI_GetField<jchar>, | |
2119 | _Jv_JNI_GetField<jshort>, | |
2120 | _Jv_JNI_GetField<jint>, | |
2121 | _Jv_JNI_GetField<jlong>, | |
2122 | _Jv_JNI_GetField<jfloat>, | |
2123 | _Jv_JNI_GetField<jdouble>, | |
2124 | _Jv_JNI_SetField, | |
2125 | _Jv_JNI_SetField, | |
2126 | _Jv_JNI_SetField, | |
2127 | _Jv_JNI_SetField, | |
2128 | _Jv_JNI_SetField, | |
2129 | _Jv_JNI_SetField, | |
2130 | _Jv_JNI_SetField, | |
2131 | _Jv_JNI_SetField, | |
2132 | _Jv_JNI_SetField, | |
2133 | _Jv_JNI_GetAnyMethodID<true>, | |
2134 | ||
2135 | _Jv_JNI_CallStaticMethod<jobject>, | |
2136 | _Jv_JNI_CallStaticMethodV<jobject>, | |
2137 | _Jv_JNI_CallStaticMethodA<jobject>, | |
2138 | _Jv_JNI_CallStaticMethod<jboolean>, | |
2139 | _Jv_JNI_CallStaticMethodV<jboolean>, | |
2140 | _Jv_JNI_CallStaticMethodA<jboolean>, | |
2141 | _Jv_JNI_CallStaticMethod<jbyte>, | |
2142 | _Jv_JNI_CallStaticMethodV<jbyte>, | |
2143 | _Jv_JNI_CallStaticMethodA<jbyte>, | |
2144 | _Jv_JNI_CallStaticMethod<jchar>, | |
2145 | _Jv_JNI_CallStaticMethodV<jchar>, | |
2146 | _Jv_JNI_CallStaticMethodA<jchar>, | |
2147 | _Jv_JNI_CallStaticMethod<jshort>, | |
2148 | _Jv_JNI_CallStaticMethodV<jshort>, | |
2149 | _Jv_JNI_CallStaticMethodA<jshort>, | |
2150 | _Jv_JNI_CallStaticMethod<jint>, | |
2151 | _Jv_JNI_CallStaticMethodV<jint>, | |
2152 | _Jv_JNI_CallStaticMethodA<jint>, | |
2153 | _Jv_JNI_CallStaticMethod<jlong>, | |
2154 | _Jv_JNI_CallStaticMethodV<jlong>, | |
2155 | _Jv_JNI_CallStaticMethodA<jlong>, | |
2156 | _Jv_JNI_CallStaticMethod<jfloat>, | |
2157 | _Jv_JNI_CallStaticMethodV<jfloat>, | |
2158 | _Jv_JNI_CallStaticMethodA<jfloat>, | |
2159 | _Jv_JNI_CallStaticMethod<jdouble>, | |
2160 | _Jv_JNI_CallStaticMethodV<jdouble>, | |
2161 | _Jv_JNI_CallStaticMethodA<jdouble>, | |
2162 | _Jv_JNI_CallStaticVoidMethod, | |
2163 | _Jv_JNI_CallStaticVoidMethodV, | |
2164 | _Jv_JNI_CallStaticVoidMethodA, | |
2165 | ||
2166 | _Jv_JNI_GetAnyFieldID<true>, | |
2167 | _Jv_JNI_GetStaticField<jobject>, | |
2168 | _Jv_JNI_GetStaticField<jboolean>, | |
2169 | _Jv_JNI_GetStaticField<jbyte>, | |
2170 | _Jv_JNI_GetStaticField<jchar>, | |
2171 | _Jv_JNI_GetStaticField<jshort>, | |
2172 | _Jv_JNI_GetStaticField<jint>, | |
2173 | _Jv_JNI_GetStaticField<jlong>, | |
2174 | _Jv_JNI_GetStaticField<jfloat>, | |
2175 | _Jv_JNI_GetStaticField<jdouble>, | |
2176 | _Jv_JNI_SetStaticField, | |
2177 | _Jv_JNI_SetStaticField, | |
2178 | _Jv_JNI_SetStaticField, | |
2179 | _Jv_JNI_SetStaticField, | |
2180 | _Jv_JNI_SetStaticField, | |
2181 | _Jv_JNI_SetStaticField, | |
2182 | _Jv_JNI_SetStaticField, | |
2183 | _Jv_JNI_SetStaticField, | |
2184 | _Jv_JNI_SetStaticField, | |
2185 | _Jv_JNI_NewString, | |
ee9dd372 | 2186 | _Jv_JNI_GetStringLength, |
8a922095 TT |
2187 | _Jv_JNI_GetStringChars, |
2188 | _Jv_JNI_ReleaseStringChars, | |
2189 | _Jv_JNI_NewStringUTF, | |
2190 | _Jv_JNI_GetStringUTFLength, | |
2191 | _Jv_JNI_GetStringUTFChars, | |
2192 | _Jv_JNI_ReleaseStringUTFChars, | |
2193 | _Jv_JNI_GetArrayLength, | |
2194 | _Jv_JNI_NewObjectArray, | |
2195 | _Jv_JNI_GetObjectArrayElement, | |
2196 | _Jv_JNI_SetObjectArrayElement, | |
2197 | _Jv_JNI_NewPrimitiveArray<jboolean, JvPrimClass (boolean)>, | |
2198 | _Jv_JNI_NewPrimitiveArray<jbyte, JvPrimClass (byte)>, | |
2199 | _Jv_JNI_NewPrimitiveArray<jchar, JvPrimClass (char)>, | |
2200 | _Jv_JNI_NewPrimitiveArray<jshort, JvPrimClass (short)>, | |
2201 | _Jv_JNI_NewPrimitiveArray<jint, JvPrimClass (int)>, | |
2202 | _Jv_JNI_NewPrimitiveArray<jlong, JvPrimClass (long)>, | |
2203 | _Jv_JNI_NewPrimitiveArray<jfloat, JvPrimClass (float)>, | |
2204 | _Jv_JNI_NewPrimitiveArray<jdouble, JvPrimClass (double)>, | |
2205 | _Jv_JNI_GetPrimitiveArrayElements, | |
2206 | _Jv_JNI_GetPrimitiveArrayElements, | |
2207 | _Jv_JNI_GetPrimitiveArrayElements, | |
2208 | _Jv_JNI_GetPrimitiveArrayElements, | |
2209 | _Jv_JNI_GetPrimitiveArrayElements, | |
2210 | _Jv_JNI_GetPrimitiveArrayElements, | |
2211 | _Jv_JNI_GetPrimitiveArrayElements, | |
2212 | _Jv_JNI_GetPrimitiveArrayElements, | |
2213 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2214 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2215 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2216 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2217 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2218 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2219 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2220 | _Jv_JNI_ReleasePrimitiveArrayElements, | |
2221 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2222 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2223 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2224 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2225 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2226 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2227 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2228 | _Jv_JNI_GetPrimitiveArrayRegion, | |
2229 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2230 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2231 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2232 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2233 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2234 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2235 | _Jv_JNI_SetPrimitiveArrayRegion, | |
2236 | _Jv_JNI_SetPrimitiveArrayRegion, | |
8ade4771 TT |
2237 | _Jv_JNI_RegisterNatives, |
2238 | _Jv_JNI_UnregisterNatives, | |
8a922095 TT |
2239 | _Jv_JNI_MonitorEnter, |
2240 | _Jv_JNI_MonitorExit, | |
aaf0766e | 2241 | _Jv_JNI_GetJavaVM, |
355dff4c TT |
2242 | |
2243 | _Jv_JNI_GetStringRegion, | |
2244 | _Jv_JNI_GetStringUTFRegion, | |
2245 | _Jv_JNI_GetPrimitiveArrayCritical, | |
2246 | _Jv_JNI_ReleasePrimitiveArrayCritical, | |
2247 | _Jv_JNI_GetStringCritical, | |
2248 | _Jv_JNI_ReleaseStringCritical, | |
2249 | ||
2250 | NOT_IMPL /* newweakglobalref */, | |
2251 | NOT_IMPL /* deleteweakglobalref */, | |
2252 | ||
2253 | _Jv_JNI_ExceptionCheck | |
ee9dd372 | 2254 | }; |
aaf0766e TT |
2255 | |
2256 | struct JNIInvokeInterface _Jv_JNI_InvokeFunctions = | |
2257 | { | |
2258 | RESERVED, | |
2259 | RESERVED, | |
2260 | RESERVED, | |
2261 | ||
2262 | _Jv_JNI_DestroyJavaVM, | |
2263 | _Jv_JNI_AttachCurrentThread, | |
2264 | _Jv_JNI_DetachCurrentThread, | |
2265 | _Jv_JNI_GetEnv | |
2266 | }; |