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ee9dd372 TT |
1 | // jni.cc - JNI implementation, including the jump table. |
2 | ||
476924c9 | 3 | /* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 |
d1ee8381 | 4 | Free Software Foundation |
ee9dd372 TT |
5 | |
6 | This file is part of libgcj. | |
7 | ||
8 | This software is copyrighted work licensed under the terms of the | |
9 | Libgcj License. Please consult the file "LIBGCJ_LICENSE" for | |
10 | details. */ | |
11 | ||
12 | #include <config.h> | |
13 | ||
c79d7702 | 14 | #include <stdio.h> |
ee9dd372 | 15 | #include <stddef.h> |
7e648cf9 | 16 | #include <string.h> |
ee9dd372 | 17 | |
8a922095 TT |
18 | #include <gcj/cni.h> |
19 | #include <jvm.h> | |
20 | #include <java-assert.h> | |
ee9dd372 | 21 | #include <jni.h> |
54c2f04b AG |
22 | #ifdef ENABLE_JVMPI |
23 | #include <jvmpi.h> | |
24 | #endif | |
86acf60c | 25 | #ifdef INTERPRETER |
94f473ee | 26 | #include <jvmti.h> |
befd7566 | 27 | #include "jvmti-int.h" |
86acf60c | 28 | #endif |
355dff4c TT |
29 | #include <java/lang/Class.h> |
30 | #include <java/lang/ClassLoader.h> | |
8a922095 TT |
31 | #include <java/lang/Throwable.h> |
32 | #include <java/lang/ArrayIndexOutOfBoundsException.h> | |
355dff4c | 33 | #include <java/lang/StringIndexOutOfBoundsException.h> |
d1ee8381 | 34 | #include <java/lang/StringBuffer.h> |
6901a009 | 35 | #include <java/lang/UnsatisfiedLinkError.h> |
8a922095 TT |
36 | #include <java/lang/InstantiationException.h> |
37 | #include <java/lang/NoSuchFieldError.h> | |
38 | #include <java/lang/NoSuchMethodError.h> | |
39 | #include <java/lang/reflect/Constructor.h> | |
355dff4c | 40 | #include <java/lang/reflect/Method.h> |
8a922095 | 41 | #include <java/lang/reflect/Modifier.h> |
7e648cf9 | 42 | #include <java/lang/OutOfMemoryError.h> |
7e648cf9 | 43 | #include <java/lang/Integer.h> |
4547105f | 44 | #include <java/lang/ThreadGroup.h> |
c93d7fae | 45 | #include <java/lang/Thread.h> |
e976ed37 | 46 | #include <java/lang/IllegalAccessError.h> |
d2ba8a75 | 47 | #include <java/nio/Buffer.h> |
6f3aed57 | 48 | #include <java/nio/DirectByteBufferImpl.h> |
7ef52736 | 49 | #include <java/nio/DirectByteBufferImpl$ReadWrite.h> |
6f3aed57 MK |
50 | #include <java/util/IdentityHashMap.h> |
51 | #include <gnu/gcj/RawData.h> | |
8b6e7690 | 52 | #include <java/lang/ClassNotFoundException.h> |
8a922095 | 53 | |
355dff4c TT |
54 | #include <gcj/method.h> |
55 | #include <gcj/field.h> | |
56 | ||
ee6713e7 | 57 | #include <java-interp.h> |
c93d7fae | 58 | #include <java-threads.h> |
ee6713e7 | 59 | |
107abb2f BM |
60 | using namespace gcj; |
61 | ||
8a922095 TT |
62 | // This enum is used to select different template instantiations in |
63 | // the invocation code. | |
64 | enum invocation_type | |
65 | { | |
66 | normal, | |
67 | nonvirtual, | |
68 | static_type, | |
69 | constructor | |
70 | }; | |
71 | ||
aaf0766e | 72 | // Forward declarations. |
f06a83c0 MK |
73 | extern struct JNINativeInterface_ _Jv_JNIFunctions; |
74 | extern struct JNIInvokeInterface_ _Jv_JNI_InvokeFunctions; | |
355dff4c | 75 | |
7e648cf9 TT |
76 | // Number of slots in the default frame. The VM must allow at least |
77 | // 16. | |
84973b27 | 78 | #define FRAME_SIZE 16 |
7e648cf9 | 79 | |
8d00f617 TT |
80 | // Mark value indicating this is an overflow frame. |
81 | #define MARK_NONE 0 | |
82 | // Mark value indicating this is a user frame. | |
83 | #define MARK_USER 1 | |
84 | // Mark value indicating this is a system frame. | |
85 | #define MARK_SYSTEM 2 | |
86 | ||
7e648cf9 TT |
87 | // This structure is used to keep track of local references. |
88 | struct _Jv_JNI_LocalFrame | |
89 | { | |
262fa8a4 TT |
90 | // This is one of the MARK_ constants. |
91 | unsigned char marker; | |
84973b27 GH |
92 | |
93 | // Flag to indicate some locals were allocated. | |
262fa8a4 | 94 | bool allocated_p; |
7e648cf9 TT |
95 | |
96 | // Number of elements in frame. | |
84973b27 | 97 | int size; |
7e648cf9 | 98 | |
262fa8a4 TT |
99 | // The class loader of the JNI method that allocated this frame. |
100 | ::java::lang::ClassLoader *loader; | |
101 | ||
7e648cf9 TT |
102 | // Next frame in chain. |
103 | _Jv_JNI_LocalFrame *next; | |
104 | ||
105 | // The elements. These are allocated using the C "struct hack". | |
106 | jobject vec[0]; | |
107 | }; | |
108 | ||
39986dd5 | 109 | // This holds a reference count for all local references. |
ac8d9921 | 110 | static java::util::IdentityHashMap *local_ref_table; |
39986dd5 | 111 | // This holds a reference count for all global references. |
ac8d9921 | 112 | static java::util::IdentityHashMap *global_ref_table; |
7e648cf9 | 113 | |
aaf0766e | 114 | // The only VM. |
fb5b5d97 | 115 | JavaVM *_Jv_the_vm; |
aaf0766e | 116 | |
54c2f04b AG |
117 | #ifdef ENABLE_JVMPI |
118 | // The only JVMPI interface description. | |
119 | static JVMPI_Interface _Jv_JVMPI_Interface; | |
120 | ||
121 | static jint | |
122 | jvmpiEnableEvent (jint event_type, void *) | |
123 | { | |
124 | switch (event_type) | |
125 | { | |
126 | case JVMPI_EVENT_OBJECT_ALLOC: | |
127 | _Jv_JVMPI_Notify_OBJECT_ALLOC = _Jv_JVMPI_Interface.NotifyEvent; | |
128 | break; | |
63dc70a1 | 129 | |
54c2f04b AG |
130 | case JVMPI_EVENT_THREAD_START: |
131 | _Jv_JVMPI_Notify_THREAD_START = _Jv_JVMPI_Interface.NotifyEvent; | |
132 | break; | |
63dc70a1 | 133 | |
54c2f04b AG |
134 | case JVMPI_EVENT_THREAD_END: |
135 | _Jv_JVMPI_Notify_THREAD_END = _Jv_JVMPI_Interface.NotifyEvent; | |
136 | break; | |
63dc70a1 | 137 | |
54c2f04b AG |
138 | default: |
139 | return JVMPI_NOT_AVAILABLE; | |
140 | } | |
63dc70a1 | 141 | |
54c2f04b AG |
142 | return JVMPI_SUCCESS; |
143 | } | |
144 | ||
145 | static jint | |
146 | jvmpiDisableEvent (jint event_type, void *) | |
147 | { | |
148 | switch (event_type) | |
149 | { | |
150 | case JVMPI_EVENT_OBJECT_ALLOC: | |
151 | _Jv_JVMPI_Notify_OBJECT_ALLOC = NULL; | |
152 | break; | |
63dc70a1 | 153 | |
54c2f04b AG |
154 | default: |
155 | return JVMPI_NOT_AVAILABLE; | |
156 | } | |
63dc70a1 | 157 | |
54c2f04b AG |
158 | return JVMPI_SUCCESS; |
159 | } | |
160 | #endif | |
161 | ||
8a922095 TT |
162 | \f |
163 | ||
7e648cf9 TT |
164 | void |
165 | _Jv_JNI_Init (void) | |
166 | { | |
ac8d9921 TT |
167 | local_ref_table = new java::util::IdentityHashMap; |
168 | global_ref_table = new java::util::IdentityHashMap; | |
39986dd5 | 169 | |
54c2f04b AG |
170 | #ifdef ENABLE_JVMPI |
171 | _Jv_JVMPI_Interface.version = 1; | |
172 | _Jv_JVMPI_Interface.EnableEvent = &jvmpiEnableEvent; | |
173 | _Jv_JVMPI_Interface.DisableEvent = &jvmpiDisableEvent; | |
174 | _Jv_JVMPI_Interface.EnableGC = &_Jv_EnableGC; | |
175 | _Jv_JVMPI_Interface.DisableGC = &_Jv_DisableGC; | |
176 | _Jv_JVMPI_Interface.RunGC = &_Jv_RunGC; | |
177 | #endif | |
7e648cf9 TT |
178 | } |
179 | ||
8a922095 TT |
180 | // Tell the GC that a certain pointer is live. |
181 | static void | |
ac8d9921 | 182 | mark_for_gc (jobject obj, java::util::IdentityHashMap *ref_table) |
8a922095 | 183 | { |
7e648cf9 TT |
184 | JvSynchronize sync (ref_table); |
185 | ||
186 | using namespace java::lang; | |
187 | Integer *refcount = (Integer *) ref_table->get (obj); | |
188 | jint val = (refcount == NULL) ? 0 : refcount->intValue (); | |
b099f07d | 189 | // FIXME: what about out of memory error? |
7e648cf9 | 190 | ref_table->put (obj, new Integer (val + 1)); |
8a922095 TT |
191 | } |
192 | ||
193 | // Unmark a pointer. | |
194 | static void | |
ac8d9921 | 195 | unmark_for_gc (jobject obj, java::util::IdentityHashMap *ref_table) |
8a922095 | 196 | { |
7e648cf9 TT |
197 | JvSynchronize sync (ref_table); |
198 | ||
199 | using namespace java::lang; | |
200 | Integer *refcount = (Integer *) ref_table->get (obj); | |
201 | JvAssert (refcount); | |
202 | jint val = refcount->intValue () - 1; | |
39986dd5 | 203 | JvAssert (val >= 0); |
7e648cf9 TT |
204 | if (val == 0) |
205 | ref_table->remove (obj); | |
206 | else | |
b099f07d | 207 | // FIXME: what about out of memory error? |
7e648cf9 TT |
208 | ref_table->put (obj, new Integer (val)); |
209 | } | |
210 | ||
819138ac TT |
211 | // "Unwrap" some random non-reference type. This exists to simplify |
212 | // other template functions. | |
213 | template<typename T> | |
214 | static T | |
215 | unwrap (T val) | |
216 | { | |
217 | return val; | |
218 | } | |
219 | ||
220 | // Unwrap a weak reference, if required. | |
221 | template<typename T> | |
222 | static T * | |
223 | unwrap (T *obj) | |
224 | { | |
225 | using namespace gnu::gcj::runtime; | |
226 | // We can compare the class directly because JNIWeakRef is `final'. | |
227 | // Doing it this way is much faster. | |
aee42017 | 228 | if (obj == NULL || obj->getClass () != &JNIWeakRef::class$) |
819138ac TT |
229 | return obj; |
230 | JNIWeakRef *wr = reinterpret_cast<JNIWeakRef *> (obj); | |
231 | return reinterpret_cast<T *> (wr->get ()); | |
232 | } | |
233 | ||
3141ed0f TT |
234 | jobject |
235 | _Jv_UnwrapJNIweakReference (jobject obj) | |
236 | { | |
237 | return unwrap (obj); | |
238 | } | |
239 | ||
7e648cf9 TT |
240 | \f |
241 | ||
8319dc87 PB |
242 | static jobject JNICALL |
243 | _Jv_JNI_NewGlobalRef (JNIEnv *, jobject obj) | |
7e648cf9 | 244 | { |
819138ac TT |
245 | // This seems weird but I think it is correct. |
246 | obj = unwrap (obj); | |
39986dd5 | 247 | mark_for_gc (obj, global_ref_table); |
7e648cf9 TT |
248 | return obj; |
249 | } | |
250 | ||
8319dc87 PB |
251 | static void JNICALL |
252 | _Jv_JNI_DeleteGlobalRef (JNIEnv *, jobject obj) | |
7e648cf9 | 253 | { |
819138ac TT |
254 | // This seems weird but I think it is correct. |
255 | obj = unwrap (obj); | |
10caa6ef TT |
256 | |
257 | // NULL is ok here -- the JNI specification doesn't say so, but this | |
258 | // is a no-op. | |
259 | if (! obj) | |
260 | return; | |
261 | ||
39986dd5 | 262 | unmark_for_gc (obj, global_ref_table); |
7e648cf9 TT |
263 | } |
264 | ||
8319dc87 PB |
265 | static void JNICALL |
266 | _Jv_JNI_DeleteLocalRef (JNIEnv *env, jobject obj) | |
7e648cf9 TT |
267 | { |
268 | _Jv_JNI_LocalFrame *frame; | |
269 | ||
819138ac TT |
270 | // This seems weird but I think it is correct. |
271 | obj = unwrap (obj); | |
272 | ||
10caa6ef TT |
273 | // NULL is ok here -- the JNI specification doesn't say so, but this |
274 | // is a no-op. | |
275 | if (! obj) | |
276 | return; | |
277 | ||
7e648cf9 TT |
278 | for (frame = env->locals; frame != NULL; frame = frame->next) |
279 | { | |
e62bad3d | 280 | for (int i = 0; i < frame->size; ++i) |
7e648cf9 TT |
281 | { |
282 | if (frame->vec[i] == obj) | |
283 | { | |
284 | frame->vec[i] = NULL; | |
39986dd5 | 285 | unmark_for_gc (obj, local_ref_table); |
7e648cf9 TT |
286 | return; |
287 | } | |
288 | } | |
289 | ||
290 | // Don't go past a marked frame. | |
8d00f617 | 291 | JvAssert (frame->marker == MARK_NONE); |
7e648cf9 TT |
292 | } |
293 | ||
294 | JvAssert (0); | |
295 | } | |
296 | ||
8319dc87 PB |
297 | static jint JNICALL |
298 | _Jv_JNI_EnsureLocalCapacity (JNIEnv *env, jint size) | |
7e648cf9 TT |
299 | { |
300 | // It is easier to just always allocate a new frame of the requested | |
301 | // size. This isn't the most efficient thing, but for now we don't | |
302 | // care. Note that _Jv_JNI_PushLocalFrame relies on this right now. | |
303 | ||
b099f07d TT |
304 | _Jv_JNI_LocalFrame *frame; |
305 | try | |
7e648cf9 | 306 | { |
b099f07d TT |
307 | frame = (_Jv_JNI_LocalFrame *) _Jv_Malloc (sizeof (_Jv_JNI_LocalFrame) |
308 | + size * sizeof (jobject)); | |
309 | } | |
310 | catch (jthrowable t) | |
311 | { | |
312 | env->ex = t; | |
aaf0766e | 313 | return JNI_ERR; |
7e648cf9 TT |
314 | } |
315 | ||
8d00f617 | 316 | frame->marker = MARK_NONE; |
7e648cf9 | 317 | frame->size = size; |
262fa8a4 | 318 | frame->allocated_p = false; |
7e648cf9 | 319 | memset (&frame->vec[0], 0, size * sizeof (jobject)); |
262fa8a4 | 320 | frame->loader = env->locals->loader; |
7e648cf9 TT |
321 | frame->next = env->locals; |
322 | env->locals = frame; | |
323 | ||
324 | return 0; | |
325 | } | |
326 | ||
8319dc87 PB |
327 | static jint JNICALL |
328 | _Jv_JNI_PushLocalFrame (JNIEnv *env, jint size) | |
7e648cf9 TT |
329 | { |
330 | jint r = _Jv_JNI_EnsureLocalCapacity (env, size); | |
331 | if (r < 0) | |
332 | return r; | |
333 | ||
334 | // The new frame is on top. | |
8d00f617 | 335 | env->locals->marker = MARK_USER; |
7e648cf9 TT |
336 | |
337 | return 0; | |
338 | } | |
339 | ||
8319dc87 PB |
340 | static jobject JNICALL |
341 | _Jv_JNI_NewLocalRef (JNIEnv *env, jobject obj) | |
7e648cf9 | 342 | { |
819138ac TT |
343 | // This seems weird but I think it is correct. |
344 | obj = unwrap (obj); | |
345 | ||
7e648cf9 TT |
346 | // Try to find an open slot somewhere in the topmost frame. |
347 | _Jv_JNI_LocalFrame *frame = env->locals; | |
348 | bool done = false, set = false; | |
a5c30a8c | 349 | for (; frame != NULL && ! done; frame = frame->next) |
7e648cf9 TT |
350 | { |
351 | for (int i = 0; i < frame->size; ++i) | |
a5c30a8c TT |
352 | { |
353 | if (frame->vec[i] == NULL) | |
354 | { | |
355 | set = true; | |
356 | done = true; | |
357 | frame->vec[i] = obj; | |
262fa8a4 | 358 | frame->allocated_p = true; |
a5c30a8c TT |
359 | break; |
360 | } | |
361 | } | |
362 | ||
363 | // If we found a slot, or if the frame we just searched is the | |
364 | // mark frame, then we are done. | |
d3ae0d49 | 365 | if (done || frame == NULL || frame->marker != MARK_NONE) |
a5c30a8c | 366 | break; |
7e648cf9 TT |
367 | } |
368 | ||
369 | if (! set) | |
370 | { | |
371 | // No slots, so we allocate a new frame. According to the spec | |
372 | // we could just die here. FIXME: return value. | |
373 | _Jv_JNI_EnsureLocalCapacity (env, 16); | |
374 | // We know the first element of the new frame will be ok. | |
375 | env->locals->vec[0] = obj; | |
262fa8a4 | 376 | env->locals->allocated_p = true; |
7e648cf9 TT |
377 | } |
378 | ||
39986dd5 | 379 | mark_for_gc (obj, local_ref_table); |
7e648cf9 TT |
380 | return obj; |
381 | } | |
382 | ||
8319dc87 PB |
383 | static jobject JNICALL |
384 | _Jv_JNI_PopLocalFrame (JNIEnv *env, jobject result, int stop) | |
7e648cf9 TT |
385 | { |
386 | _Jv_JNI_LocalFrame *rf = env->locals; | |
387 | ||
388 | bool done = false; | |
389 | while (rf != NULL && ! done) | |
63dc70a1 | 390 | { |
7e648cf9 TT |
391 | for (int i = 0; i < rf->size; ++i) |
392 | if (rf->vec[i] != NULL) | |
39986dd5 | 393 | unmark_for_gc (rf->vec[i], local_ref_table); |
7e648cf9 TT |
394 | |
395 | // If the frame we just freed is the marker frame, we are done. | |
8d00f617 | 396 | done = (rf->marker == stop); |
7e648cf9 TT |
397 | |
398 | _Jv_JNI_LocalFrame *n = rf->next; | |
84973b27 GH |
399 | // When N==NULL, we've reached the reusable bottom_locals, and we must |
400 | // not free it. However, we must be sure to clear all its elements. | |
7e648cf9 | 401 | if (n == NULL) |
ee7f72e4 | 402 | { |
84973b27 GH |
403 | if (rf->allocated_p) |
404 | memset (&rf->vec[0], 0, rf->size * sizeof (jobject)); | |
262fa8a4 | 405 | rf->allocated_p = false; |
84973b27 | 406 | rf = NULL; |
ee7f72e4 TT |
407 | break; |
408 | } | |
409 | ||
410 | _Jv_Free (rf); | |
7e648cf9 TT |
411 | rf = n; |
412 | } | |
413 | ||
80a44e08 TT |
414 | // Update the local frame information. |
415 | env->locals = rf; | |
416 | ||
7e648cf9 | 417 | return result == NULL ? NULL : _Jv_JNI_NewLocalRef (env, result); |
8a922095 TT |
418 | } |
419 | ||
8319dc87 PB |
420 | static jobject JNICALL |
421 | _Jv_JNI_PopLocalFrame (JNIEnv *env, jobject result) | |
8d00f617 TT |
422 | { |
423 | return _Jv_JNI_PopLocalFrame (env, result, MARK_USER); | |
424 | } | |
425 | ||
e976ed37 AH |
426 | // Make sure an array's type is compatible with the type of the |
427 | // destination. | |
428 | template<typename T> | |
429 | static bool | |
430 | _Jv_JNI_check_types (JNIEnv *env, JArray<T> *array, jclass K) | |
431 | { | |
432 | jclass klass = array->getClass()->getComponentType(); | |
433 | if (__builtin_expect (klass != K, false)) | |
434 | { | |
435 | env->ex = new java::lang::IllegalAccessError (); | |
436 | return false; | |
437 | } | |
438 | else | |
439 | return true; | |
440 | } | |
441 | ||
8d00f617 TT |
442 | // Pop a `system' frame from the stack. This is `extern "C"' as it is |
443 | // used by the compiler. | |
444 | extern "C" void | |
445 | _Jv_JNI_PopSystemFrame (JNIEnv *env) | |
446 | { | |
84973b27 GH |
447 | // Only enter slow path when we're not at the bottom, or there have been |
448 | // allocations. Usually this is false and we can just null out the locals | |
449 | // field. | |
4e2d1dbd | 450 | |
84973b27 GH |
451 | if (__builtin_expect ((env->locals->next |
452 | || env->locals->allocated_p), false)) | |
453 | _Jv_JNI_PopLocalFrame (env, NULL, MARK_SYSTEM); | |
454 | else | |
455 | env->locals = NULL; | |
86acf60c DD |
456 | |
457 | #ifdef INTERPRETER | |
84973b27 | 458 | if (__builtin_expect (env->ex != NULL, false)) |
6e84eab8 TT |
459 | { |
460 | jthrowable t = env->ex; | |
461 | env->ex = NULL; | |
befd7566 KS |
462 | if (JVMTI_REQUESTED_EVENT (Exception)) |
463 | _Jv_ReportJVMTIExceptionThrow (t); | |
6e84eab8 TT |
464 | throw t; |
465 | } | |
86acf60c | 466 | #endif |
8d00f617 TT |
467 | } |
468 | ||
4d6a988a GH |
469 | template<typename T> T extract_from_jvalue(jvalue const & t); |
470 | template<> jboolean extract_from_jvalue(jvalue const & jv) { return jv.z; } | |
471 | template<> jbyte extract_from_jvalue(jvalue const & jv) { return jv.b; } | |
472 | template<> jchar extract_from_jvalue(jvalue const & jv) { return jv.c; } | |
473 | template<> jshort extract_from_jvalue(jvalue const & jv) { return jv.s; } | |
474 | template<> jint extract_from_jvalue(jvalue const & jv) { return jv.i; } | |
475 | template<> jlong extract_from_jvalue(jvalue const & jv) { return jv.j; } | |
476 | template<> jfloat extract_from_jvalue(jvalue const & jv) { return jv.f; } | |
477 | template<> jdouble extract_from_jvalue(jvalue const & jv) { return jv.d; } | |
478 | template<> jobject extract_from_jvalue(jvalue const & jv) { return jv.l; } | |
479 | ||
480 | ||
ee7f72e4 TT |
481 | // This function is used from other template functions. It wraps the |
482 | // return value appropriately; we specialize it so that object returns | |
483 | // are turned into local references. | |
484 | template<typename T> | |
485 | static T | |
486 | wrap_value (JNIEnv *, T value) | |
487 | { | |
488 | return value; | |
489 | } | |
490 | ||
80a44e08 TT |
491 | // This specialization is used for jobject, jclass, jstring, jarray, |
492 | // etc. | |
4d6a988a | 493 | template<typename R, typename T> |
80a44e08 TT |
494 | static T * |
495 | wrap_value (JNIEnv *env, T *value) | |
56f2b5bd MD |
496 | { |
497 | return (value == NULL | |
498 | ? value | |
80a44e08 | 499 | : (T *) _Jv_JNI_NewLocalRef (env, (jobject) value)); |
56f2b5bd MD |
500 | } |
501 | ||
8a922095 TT |
502 | \f |
503 | ||
8319dc87 PB |
504 | static jint JNICALL |
505 | _Jv_JNI_GetVersion (JNIEnv *) | |
8a922095 | 506 | { |
880f8c16 | 507 | return JNI_VERSION_1_4; |
8a922095 | 508 | } |
ee9dd372 | 509 | |
8319dc87 PB |
510 | static jclass JNICALL |
511 | _Jv_JNI_DefineClass (JNIEnv *env, const char *name, jobject loader, | |
8e9031ec | 512 | const jbyte *buf, jsize bufLen) |
355dff4c | 513 | { |
b099f07d TT |
514 | try |
515 | { | |
819138ac TT |
516 | loader = unwrap (loader); |
517 | ||
35e058a2 | 518 | jstring sname = JvNewStringUTF (name); |
b099f07d | 519 | jbyteArray bytes = JvNewByteArray (bufLen); |
355dff4c | 520 | |
b099f07d TT |
521 | jbyte *elts = elements (bytes); |
522 | memcpy (elts, buf, bufLen * sizeof (jbyte)); | |
355dff4c | 523 | |
b099f07d TT |
524 | java::lang::ClassLoader *l |
525 | = reinterpret_cast<java::lang::ClassLoader *> (loader); | |
526 | ||
35e058a2 | 527 | jclass result = l->defineClass (sname, bytes, 0, bufLen); |
b099f07d TT |
528 | return (jclass) wrap_value (env, result); |
529 | } | |
530 | catch (jthrowable t) | |
531 | { | |
532 | env->ex = t; | |
533 | return NULL; | |
534 | } | |
355dff4c TT |
535 | } |
536 | ||
8319dc87 PB |
537 | static jclass JNICALL |
538 | _Jv_JNI_FindClass (JNIEnv *env, const char *name) | |
355dff4c TT |
539 | { |
540 | // FIXME: assume that NAME isn't too long. | |
541 | int len = strlen (name); | |
542 | char s[len + 1]; | |
543 | for (int i = 0; i <= len; ++i) | |
544 | s[i] = (name[i] == '/') ? '.' : name[i]; | |
355dff4c | 545 | |
b099f07d TT |
546 | jclass r = NULL; |
547 | try | |
355dff4c | 548 | { |
b099f07d TT |
549 | // This might throw an out of memory exception. |
550 | jstring n = JvNewStringUTF (s); | |
551 | ||
af98124e | 552 | java::lang::ClassLoader *loader = NULL; |
262fa8a4 TT |
553 | if (env->locals->loader != NULL) |
554 | loader = env->locals->loader; | |
af98124e TT |
555 | |
556 | if (loader == NULL) | |
b099f07d TT |
557 | { |
558 | // FIXME: should use getBaseClassLoader, but we don't have that | |
559 | // yet. | |
560 | loader = java::lang::ClassLoader::getSystemClassLoader (); | |
561 | } | |
355dff4c | 562 | |
b099f07d | 563 | r = loader->loadClass (n); |
7896beb2 | 564 | _Jv_InitClass (r); |
b099f07d TT |
565 | } |
566 | catch (jthrowable t) | |
567 | { | |
568 | env->ex = t; | |
569 | } | |
355dff4c | 570 | |
278abd28 | 571 | return (jclass) wrap_value (env, r); |
355dff4c TT |
572 | } |
573 | ||
8319dc87 PB |
574 | static jclass JNICALL |
575 | _Jv_JNI_GetSuperclass (JNIEnv *env, jclass clazz) | |
ee9dd372 | 576 | { |
819138ac | 577 | return (jclass) wrap_value (env, unwrap (clazz)->getSuperclass ()); |
ee9dd372 TT |
578 | } |
579 | ||
8319dc87 PB |
580 | static jboolean JNICALL |
581 | _Jv_JNI_IsAssignableFrom (JNIEnv *, jclass clazz1, jclass clazz2) | |
ee9dd372 | 582 | { |
852993e3 | 583 | return unwrap (clazz2)->isAssignableFrom (unwrap (clazz1)); |
ee9dd372 TT |
584 | } |
585 | ||
8319dc87 PB |
586 | static jint JNICALL |
587 | _Jv_JNI_Throw (JNIEnv *env, jthrowable obj) | |
8a922095 | 588 | { |
278abd28 | 589 | // We check in case the user did some funky cast. |
819138ac | 590 | obj = unwrap (obj); |
39986dd5 | 591 | JvAssert (obj != NULL && java::lang::Throwable::class$.isInstance (obj)); |
355dff4c | 592 | env->ex = obj; |
8a922095 TT |
593 | return 0; |
594 | } | |
595 | ||
8319dc87 PB |
596 | static jint JNICALL |
597 | _Jv_JNI_ThrowNew (JNIEnv *env, jclass clazz, const char *message) | |
8a922095 TT |
598 | { |
599 | using namespace java::lang::reflect; | |
600 | ||
819138ac | 601 | clazz = unwrap (clazz); |
39986dd5 | 602 | JvAssert (java::lang::Throwable::class$.isAssignableFrom (clazz)); |
278abd28 | 603 | |
b099f07d TT |
604 | int r = JNI_OK; |
605 | try | |
606 | { | |
607 | JArray<jclass> *argtypes | |
39986dd5 TT |
608 | = (JArray<jclass> *) JvNewObjectArray (1, &java::lang::Class::class$, |
609 | NULL); | |
8a922095 | 610 | |
b099f07d | 611 | jclass *elts = elements (argtypes); |
36739040 | 612 | elts[0] = &java::lang::String::class$; |
8a922095 | 613 | |
b099f07d | 614 | Constructor *cons = clazz->getConstructor (argtypes); |
8a922095 | 615 | |
36739040 TT |
616 | jobjectArray values = JvNewObjectArray (1, &java::lang::String::class$, |
617 | NULL); | |
b099f07d TT |
618 | jobject *velts = elements (values); |
619 | velts[0] = JvNewStringUTF (message); | |
8a922095 | 620 | |
b099f07d | 621 | jobject obj = cons->newInstance (values); |
8a922095 | 622 | |
b099f07d TT |
623 | env->ex = reinterpret_cast<jthrowable> (obj); |
624 | } | |
625 | catch (jthrowable t) | |
626 | { | |
627 | env->ex = t; | |
628 | r = JNI_ERR; | |
629 | } | |
630 | ||
631 | return r; | |
8a922095 TT |
632 | } |
633 | ||
8319dc87 PB |
634 | static jthrowable JNICALL |
635 | _Jv_JNI_ExceptionOccurred (JNIEnv *env) | |
8a922095 | 636 | { |
278abd28 | 637 | return (jthrowable) wrap_value (env, env->ex); |
8a922095 TT |
638 | } |
639 | ||
8319dc87 PB |
640 | static void JNICALL |
641 | _Jv_JNI_ExceptionDescribe (JNIEnv *env) | |
8a922095 | 642 | { |
355dff4c TT |
643 | if (env->ex != NULL) |
644 | env->ex->printStackTrace(); | |
8a922095 TT |
645 | } |
646 | ||
8319dc87 PB |
647 | static void JNICALL |
648 | _Jv_JNI_ExceptionClear (JNIEnv *env) | |
8a922095 | 649 | { |
355dff4c TT |
650 | env->ex = NULL; |
651 | } | |
652 | ||
8319dc87 PB |
653 | static jboolean JNICALL |
654 | _Jv_JNI_ExceptionCheck (JNIEnv *env) | |
355dff4c TT |
655 | { |
656 | return env->ex != NULL; | |
8a922095 TT |
657 | } |
658 | ||
8319dc87 PB |
659 | static void JNICALL |
660 | _Jv_JNI_FatalError (JNIEnv *, const char *message) | |
8a922095 TT |
661 | { |
662 | JvFail (message); | |
663 | } | |
664 | ||
7e648cf9 TT |
665 | \f |
666 | ||
8319dc87 PB |
667 | static jboolean JNICALL |
668 | _Jv_JNI_IsSameObject (JNIEnv *, jobject obj1, jobject obj2) | |
8a922095 | 669 | { |
819138ac | 670 | return unwrap (obj1) == unwrap (obj2); |
8a922095 TT |
671 | } |
672 | ||
8319dc87 PB |
673 | static jobject JNICALL |
674 | _Jv_JNI_AllocObject (JNIEnv *env, jclass clazz) | |
ee9dd372 | 675 | { |
8a922095 TT |
676 | jobject obj = NULL; |
677 | using namespace java::lang::reflect; | |
278abd28 | 678 | |
b099f07d TT |
679 | try |
680 | { | |
819138ac | 681 | clazz = unwrap (clazz); |
b099f07d TT |
682 | JvAssert (clazz && ! clazz->isArray ()); |
683 | if (clazz->isInterface() || Modifier::isAbstract(clazz->getModifiers())) | |
684 | env->ex = new java::lang::InstantiationException (); | |
685 | else | |
f5310108 | 686 | obj = _Jv_AllocObject (clazz); |
b099f07d TT |
687 | } |
688 | catch (jthrowable t) | |
8a922095 | 689 | { |
b099f07d | 690 | env->ex = t; |
8a922095 TT |
691 | } |
692 | ||
278abd28 | 693 | return wrap_value (env, obj); |
ee9dd372 TT |
694 | } |
695 | ||
8319dc87 PB |
696 | static jclass JNICALL |
697 | _Jv_JNI_GetObjectClass (JNIEnv *env, jobject obj) | |
ee9dd372 | 698 | { |
819138ac | 699 | obj = unwrap (obj); |
278abd28 TT |
700 | JvAssert (obj); |
701 | return (jclass) wrap_value (env, obj->getClass()); | |
ee9dd372 TT |
702 | } |
703 | ||
8319dc87 PB |
704 | static jboolean JNICALL |
705 | _Jv_JNI_IsInstanceOf (JNIEnv *, jobject obj, jclass clazz) | |
ee9dd372 | 706 | { |
819138ac | 707 | return unwrap (clazz)->isInstance(unwrap (obj)); |
ee9dd372 TT |
708 | } |
709 | ||
8a922095 TT |
710 | \f |
711 | ||
712 | // | |
713 | // This section concerns method invocation. | |
714 | // | |
715 | ||
716 | template<jboolean is_static> | |
8319dc87 PB |
717 | static jmethodID JNICALL |
718 | _Jv_JNI_GetAnyMethodID (JNIEnv *env, jclass clazz, | |
8e9031ec | 719 | const char *name, const char *sig) |
ee9dd372 | 720 | { |
b099f07d TT |
721 | try |
722 | { | |
819138ac | 723 | clazz = unwrap (clazz); |
b099f07d | 724 | _Jv_InitClass (clazz); |
8a922095 | 725 | |
b099f07d | 726 | _Jv_Utf8Const *name_u = _Jv_makeUtf8Const ((char *) name, -1); |
f86f42a8 TT |
727 | |
728 | // FIXME: assume that SIG isn't too long. | |
729 | int len = strlen (sig); | |
730 | char s[len + 1]; | |
731 | for (int i = 0; i <= len; ++i) | |
732 | s[i] = (sig[i] == '/') ? '.' : sig[i]; | |
733 | _Jv_Utf8Const *sig_u = _Jv_makeUtf8Const ((char *) s, -1); | |
8a922095 | 734 | |
b099f07d | 735 | JvAssert (! clazz->isPrimitive()); |
8a922095 | 736 | |
b099f07d | 737 | using namespace java::lang::reflect; |
8a922095 | 738 | |
b099f07d | 739 | while (clazz != NULL) |
8a922095 | 740 | { |
b099f07d TT |
741 | jint count = JvNumMethods (clazz); |
742 | jmethodID meth = JvGetFirstMethod (clazz); | |
743 | ||
744 | for (jint i = 0; i < count; ++i) | |
745 | { | |
746 | if (((is_static && Modifier::isStatic (meth->accflags)) | |
747 | || (! is_static && ! Modifier::isStatic (meth->accflags))) | |
748 | && _Jv_equalUtf8Consts (meth->name, name_u) | |
749 | && _Jv_equalUtf8Consts (meth->signature, sig_u)) | |
750 | return meth; | |
751 | ||
752 | meth = meth->getNextMethod(); | |
753 | } | |
8a922095 | 754 | |
b099f07d | 755 | clazz = clazz->getSuperclass (); |
8a922095 TT |
756 | } |
757 | ||
d1ee8381 MW |
758 | java::lang::StringBuffer *name_sig = |
759 | new java::lang::StringBuffer (JvNewStringUTF (name)); | |
666ff4f6 MW |
760 | name_sig->append ((jchar) ' '); |
761 | name_sig->append (JvNewStringUTF (s)); | |
d1ee8381 | 762 | env->ex = new java::lang::NoSuchMethodError (name_sig->toString ()); |
b099f07d TT |
763 | } |
764 | catch (jthrowable t) | |
765 | { | |
766 | env->ex = t; | |
8a922095 TT |
767 | } |
768 | ||
8a922095 TT |
769 | return NULL; |
770 | } | |
771 | ||
772 | // This is a helper function which turns a va_list into an array of | |
773 | // `jvalue's. It needs signature information in order to do its work. | |
774 | // The array of values must already be allocated. | |
775 | static void | |
776 | array_from_valist (jvalue *values, JArray<jclass> *arg_types, va_list vargs) | |
777 | { | |
778 | jclass *arg_elts = elements (arg_types); | |
779 | for (int i = 0; i < arg_types->length; ++i) | |
780 | { | |
b0af98d7 TT |
781 | // Here we assume that sizeof(int) >= sizeof(jint), because we |
782 | // use `int' when decoding the varargs. Likewise for | |
7694d69a TT |
783 | // float, and double. Also we assume that sizeof(jlong) >= |
784 | // sizeof(int), i.e. that jlong values are not further | |
785 | // promoted. | |
786 | JvAssert (sizeof (int) >= sizeof (jint)); | |
787 | JvAssert (sizeof (jlong) >= sizeof (int)); | |
788 | JvAssert (sizeof (double) >= sizeof (jfloat)); | |
789 | JvAssert (sizeof (double) >= sizeof (jdouble)); | |
8a922095 | 790 | if (arg_elts[i] == JvPrimClass (byte)) |
63dc70a1 | 791 | values[i].b = (jbyte) va_arg (vargs, int); |
8a922095 | 792 | else if (arg_elts[i] == JvPrimClass (short)) |
63dc70a1 | 793 | values[i].s = (jshort) va_arg (vargs, int); |
8a922095 | 794 | else if (arg_elts[i] == JvPrimClass (int)) |
b0af98d7 | 795 | values[i].i = (jint) va_arg (vargs, int); |
8a922095 | 796 | else if (arg_elts[i] == JvPrimClass (long)) |
7694d69a | 797 | values[i].j = (jlong) va_arg (vargs, jlong); |
8a922095 | 798 | else if (arg_elts[i] == JvPrimClass (float)) |
b0af98d7 | 799 | values[i].f = (jfloat) va_arg (vargs, double); |
8a922095 | 800 | else if (arg_elts[i] == JvPrimClass (double)) |
b0af98d7 | 801 | values[i].d = (jdouble) va_arg (vargs, double); |
8a922095 | 802 | else if (arg_elts[i] == JvPrimClass (boolean)) |
63dc70a1 | 803 | values[i].z = (jboolean) va_arg (vargs, int); |
8a922095 | 804 | else if (arg_elts[i] == JvPrimClass (char)) |
63dc70a1 | 805 | values[i].c = (jchar) va_arg (vargs, int); |
8a922095 TT |
806 | else |
807 | { | |
808 | // An object. | |
819138ac | 809 | values[i].l = unwrap (va_arg (vargs, jobject)); |
8a922095 TT |
810 | } |
811 | } | |
812 | } | |
813 | ||
814 | // This can call any sort of method: virtual, "nonvirtual", static, or | |
815 | // constructor. | |
816 | template<typename T, invocation_type style> | |
8319dc87 PB |
817 | static T JNICALL |
818 | _Jv_JNI_CallAnyMethodV (JNIEnv *env, jobject obj, jclass klass, | |
8e9031ec | 819 | jmethodID id, va_list vargs) |
8a922095 | 820 | { |
819138ac TT |
821 | obj = unwrap (obj); |
822 | klass = unwrap (klass); | |
823 | ||
8a922095 TT |
824 | jclass decl_class = klass ? klass : obj->getClass (); |
825 | JvAssert (decl_class != NULL); | |
826 | ||
827 | jclass return_type; | |
828 | JArray<jclass> *arg_types; | |
8a922095 | 829 | |
b099f07d TT |
830 | try |
831 | { | |
832 | _Jv_GetTypesFromSignature (id, decl_class, | |
833 | &arg_types, &return_type); | |
834 | ||
835 | jvalue args[arg_types->length]; | |
836 | array_from_valist (args, arg_types, vargs); | |
8a922095 | 837 | |
b099f07d TT |
838 | // For constructors we need to pass the Class we are instantiating. |
839 | if (style == constructor) | |
840 | return_type = klass; | |
1adbc4d8 | 841 | |
b099f07d | 842 | jvalue result; |
0da021f5 TT |
843 | _Jv_CallAnyMethodA (obj, return_type, id, |
844 | style == constructor, | |
b9b5672b | 845 | style == normal, |
0da021f5 | 846 | arg_types, args, &result); |
8a922095 | 847 | |
4d6a988a | 848 | return wrap_value (env, extract_from_jvalue<T>(result)); |
b099f07d TT |
849 | } |
850 | catch (jthrowable t) | |
851 | { | |
852 | env->ex = t; | |
853 | } | |
854 | ||
855 | return wrap_value (env, (T) 0); | |
8a922095 TT |
856 | } |
857 | ||
858 | template<typename T, invocation_type style> | |
8319dc87 PB |
859 | static T JNICALL |
860 | _Jv_JNI_CallAnyMethod (JNIEnv *env, jobject obj, jclass klass, | |
8e9031ec | 861 | jmethodID method, ...) |
8a922095 TT |
862 | { |
863 | va_list args; | |
864 | T result; | |
865 | ||
866 | va_start (args, method); | |
867 | result = _Jv_JNI_CallAnyMethodV<T, style> (env, obj, klass, method, args); | |
868 | va_end (args); | |
869 | ||
870 | return result; | |
871 | } | |
872 | ||
873 | template<typename T, invocation_type style> | |
8319dc87 PB |
874 | static T JNICALL |
875 | _Jv_JNI_CallAnyMethodA (JNIEnv *env, jobject obj, jclass klass, | |
f06a83c0 | 876 | jmethodID id, const jvalue *args) |
8a922095 | 877 | { |
819138ac TT |
878 | obj = unwrap (obj); |
879 | klass = unwrap (klass); | |
880 | ||
8a922095 TT |
881 | jclass decl_class = klass ? klass : obj->getClass (); |
882 | JvAssert (decl_class != NULL); | |
883 | ||
884 | jclass return_type; | |
885 | JArray<jclass> *arg_types; | |
b099f07d TT |
886 | try |
887 | { | |
888 | _Jv_GetTypesFromSignature (id, decl_class, | |
889 | &arg_types, &return_type); | |
8a922095 | 890 | |
b099f07d TT |
891 | // For constructors we need to pass the Class we are instantiating. |
892 | if (style == constructor) | |
893 | return_type = klass; | |
1adbc4d8 | 894 | |
819138ac TT |
895 | // Unwrap arguments as required. Eww. |
896 | jclass *type_elts = elements (arg_types); | |
897 | jvalue arg_copy[arg_types->length]; | |
898 | for (int i = 0; i < arg_types->length; ++i) | |
899 | { | |
900 | if (type_elts[i]->isPrimitive ()) | |
901 | arg_copy[i] = args[i]; | |
902 | else | |
903 | arg_copy[i].l = unwrap (args[i].l); | |
904 | } | |
905 | ||
b099f07d | 906 | jvalue result; |
0da021f5 TT |
907 | _Jv_CallAnyMethodA (obj, return_type, id, |
908 | style == constructor, | |
b9b5672b | 909 | style == normal, |
0da021f5 | 910 | arg_types, arg_copy, &result); |
8a922095 | 911 | |
4d6a988a | 912 | return wrap_value (env, extract_from_jvalue<T>(result)); |
b099f07d TT |
913 | } |
914 | catch (jthrowable t) | |
915 | { | |
916 | env->ex = t; | |
917 | } | |
918 | ||
919 | return wrap_value (env, (T) 0); | |
8a922095 TT |
920 | } |
921 | ||
922 | template<invocation_type style> | |
8319dc87 PB |
923 | static void JNICALL |
924 | _Jv_JNI_CallAnyVoidMethodV (JNIEnv *env, jobject obj, jclass klass, | |
8e9031ec | 925 | jmethodID id, va_list vargs) |
8a922095 | 926 | { |
819138ac TT |
927 | obj = unwrap (obj); |
928 | klass = unwrap (klass); | |
929 | ||
8a922095 TT |
930 | jclass decl_class = klass ? klass : obj->getClass (); |
931 | JvAssert (decl_class != NULL); | |
932 | ||
933 | jclass return_type; | |
934 | JArray<jclass> *arg_types; | |
b099f07d TT |
935 | try |
936 | { | |
937 | _Jv_GetTypesFromSignature (id, decl_class, | |
938 | &arg_types, &return_type); | |
8a922095 | 939 | |
b099f07d TT |
940 | jvalue args[arg_types->length]; |
941 | array_from_valist (args, arg_types, vargs); | |
8a922095 | 942 | |
b099f07d TT |
943 | // For constructors we need to pass the Class we are instantiating. |
944 | if (style == constructor) | |
945 | return_type = klass; | |
1adbc4d8 | 946 | |
0da021f5 TT |
947 | _Jv_CallAnyMethodA (obj, return_type, id, |
948 | style == constructor, | |
b9b5672b | 949 | style == normal, |
0da021f5 | 950 | arg_types, args, NULL); |
b099f07d TT |
951 | } |
952 | catch (jthrowable t) | |
953 | { | |
954 | env->ex = t; | |
955 | } | |
8a922095 TT |
956 | } |
957 | ||
958 | template<invocation_type style> | |
8319dc87 PB |
959 | static void JNICALL |
960 | _Jv_JNI_CallAnyVoidMethod (JNIEnv *env, jobject obj, jclass klass, | |
8e9031ec | 961 | jmethodID method, ...) |
8a922095 TT |
962 | { |
963 | va_list args; | |
964 | ||
965 | va_start (args, method); | |
966 | _Jv_JNI_CallAnyVoidMethodV<style> (env, obj, klass, method, args); | |
967 | va_end (args); | |
968 | } | |
969 | ||
970 | template<invocation_type style> | |
8319dc87 PB |
971 | static void JNICALL |
972 | _Jv_JNI_CallAnyVoidMethodA (JNIEnv *env, jobject obj, jclass klass, | |
f06a83c0 | 973 | jmethodID id, const jvalue *args) |
8a922095 | 974 | { |
8a922095 TT |
975 | jclass decl_class = klass ? klass : obj->getClass (); |
976 | JvAssert (decl_class != NULL); | |
977 | ||
978 | jclass return_type; | |
979 | JArray<jclass> *arg_types; | |
b099f07d TT |
980 | try |
981 | { | |
982 | _Jv_GetTypesFromSignature (id, decl_class, | |
983 | &arg_types, &return_type); | |
8a922095 | 984 | |
819138ac TT |
985 | // Unwrap arguments as required. Eww. |
986 | jclass *type_elts = elements (arg_types); | |
987 | jvalue arg_copy[arg_types->length]; | |
988 | for (int i = 0; i < arg_types->length; ++i) | |
989 | { | |
990 | if (type_elts[i]->isPrimitive ()) | |
991 | arg_copy[i] = args[i]; | |
992 | else | |
993 | arg_copy[i].l = unwrap (args[i].l); | |
994 | } | |
995 | ||
0da021f5 TT |
996 | _Jv_CallAnyMethodA (obj, return_type, id, |
997 | style == constructor, | |
b9b5672b | 998 | style == normal, |
0da021f5 | 999 | arg_types, args, NULL); |
b099f07d TT |
1000 | } |
1001 | catch (jthrowable t) | |
1002 | { | |
1003 | env->ex = t; | |
1004 | } | |
8a922095 TT |
1005 | } |
1006 | ||
1007 | // Functions with this signature are used to implement functions in | |
1008 | // the CallMethod family. | |
1009 | template<typename T> | |
8319dc87 PB |
1010 | static T JNICALL |
1011 | _Jv_JNI_CallMethodV (JNIEnv *env, jobject obj, | |
8e9031ec | 1012 | jmethodID id, va_list args) |
8a922095 TT |
1013 | { |
1014 | return _Jv_JNI_CallAnyMethodV<T, normal> (env, obj, NULL, id, args); | |
1015 | } | |
1016 | ||
1017 | // Functions with this signature are used to implement functions in | |
1018 | // the CallMethod family. | |
1019 | template<typename T> | |
8319dc87 PB |
1020 | static T JNICALL |
1021 | _Jv_JNI_CallMethod (JNIEnv *env, jobject obj, jmethodID id, ...) | |
8a922095 TT |
1022 | { |
1023 | va_list args; | |
1024 | T result; | |
1025 | ||
1026 | va_start (args, id); | |
1027 | result = _Jv_JNI_CallAnyMethodV<T, normal> (env, obj, NULL, id, args); | |
1028 | va_end (args); | |
1029 | ||
1030 | return result; | |
1031 | } | |
1032 | ||
1033 | // Functions with this signature are used to implement functions in | |
1034 | // the CallMethod family. | |
1035 | template<typename T> | |
8319dc87 PB |
1036 | static T JNICALL |
1037 | _Jv_JNI_CallMethodA (JNIEnv *env, jobject obj, | |
f06a83c0 | 1038 | jmethodID id, const jvalue *args) |
8a922095 TT |
1039 | { |
1040 | return _Jv_JNI_CallAnyMethodA<T, normal> (env, obj, NULL, id, args); | |
1041 | } | |
1042 | ||
8319dc87 PB |
1043 | static void JNICALL |
1044 | _Jv_JNI_CallVoidMethodV (JNIEnv *env, jobject obj, | |
8e9031ec | 1045 | jmethodID id, va_list args) |
8a922095 TT |
1046 | { |
1047 | _Jv_JNI_CallAnyVoidMethodV<normal> (env, obj, NULL, id, args); | |
1048 | } | |
1049 | ||
8319dc87 PB |
1050 | static void JNICALL |
1051 | _Jv_JNI_CallVoidMethod (JNIEnv *env, jobject obj, jmethodID id, ...) | |
8a922095 TT |
1052 | { |
1053 | va_list args; | |
1054 | ||
1055 | va_start (args, id); | |
1056 | _Jv_JNI_CallAnyVoidMethodV<normal> (env, obj, NULL, id, args); | |
1057 | va_end (args); | |
ee9dd372 TT |
1058 | } |
1059 | ||
8319dc87 PB |
1060 | static void JNICALL |
1061 | _Jv_JNI_CallVoidMethodA (JNIEnv *env, jobject obj, | |
f06a83c0 | 1062 | jmethodID id, const jvalue *args) |
ee9dd372 | 1063 | { |
8a922095 TT |
1064 | _Jv_JNI_CallAnyVoidMethodA<normal> (env, obj, NULL, id, args); |
1065 | } | |
1066 | ||
1067 | // Functions with this signature are used to implement functions in | |
1068 | // the CallStaticMethod family. | |
1069 | template<typename T> | |
8319dc87 PB |
1070 | static T JNICALL |
1071 | _Jv_JNI_CallStaticMethodV (JNIEnv *env, jclass klass, | |
8e9031ec | 1072 | jmethodID id, va_list args) |
8a922095 | 1073 | { |
5ef57049 | 1074 | JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC)); |
819138ac | 1075 | JvAssert (java::lang::Class::class$.isInstance (unwrap (klass))); |
5ef57049 | 1076 | |
8a922095 TT |
1077 | return _Jv_JNI_CallAnyMethodV<T, static_type> (env, NULL, klass, id, args); |
1078 | } | |
1079 | ||
1080 | // Functions with this signature are used to implement functions in | |
1081 | // the CallStaticMethod family. | |
1082 | template<typename T> | |
8319dc87 PB |
1083 | static T JNICALL |
1084 | _Jv_JNI_CallStaticMethod (JNIEnv *env, jclass klass, | |
8e9031ec | 1085 | jmethodID id, ...) |
8a922095 TT |
1086 | { |
1087 | va_list args; | |
1088 | T result; | |
1089 | ||
5ef57049 | 1090 | JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC)); |
819138ac | 1091 | JvAssert (java::lang::Class::class$.isInstance (unwrap (klass))); |
5ef57049 | 1092 | |
8a922095 TT |
1093 | va_start (args, id); |
1094 | result = _Jv_JNI_CallAnyMethodV<T, static_type> (env, NULL, klass, | |
1095 | id, args); | |
1096 | va_end (args); | |
1097 | ||
1098 | return result; | |
1099 | } | |
1100 | ||
1101 | // Functions with this signature are used to implement functions in | |
1102 | // the CallStaticMethod family. | |
1103 | template<typename T> | |
8319dc87 PB |
1104 | static T JNICALL |
1105 | _Jv_JNI_CallStaticMethodA (JNIEnv *env, jclass klass, jmethodID id, | |
f06a83c0 | 1106 | const jvalue *args) |
8a922095 | 1107 | { |
5ef57049 | 1108 | JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC)); |
819138ac | 1109 | JvAssert (java::lang::Class::class$.isInstance (unwrap (klass))); |
5ef57049 | 1110 | |
8a922095 TT |
1111 | return _Jv_JNI_CallAnyMethodA<T, static_type> (env, NULL, klass, id, args); |
1112 | } | |
1113 | ||
8319dc87 PB |
1114 | static void JNICALL |
1115 | _Jv_JNI_CallStaticVoidMethodV (JNIEnv *env, jclass klass, | |
8e9031ec | 1116 | jmethodID id, va_list args) |
8a922095 TT |
1117 | { |
1118 | _Jv_JNI_CallAnyVoidMethodV<static_type> (env, NULL, klass, id, args); | |
1119 | } | |
1120 | ||
8319dc87 PB |
1121 | static void JNICALL |
1122 | _Jv_JNI_CallStaticVoidMethod (JNIEnv *env, jclass klass, | |
8e9031ec | 1123 | jmethodID id, ...) |
8a922095 TT |
1124 | { |
1125 | va_list args; | |
1126 | ||
1127 | va_start (args, id); | |
1128 | _Jv_JNI_CallAnyVoidMethodV<static_type> (env, NULL, klass, id, args); | |
1129 | va_end (args); | |
1130 | } | |
1131 | ||
8319dc87 PB |
1132 | static void JNICALL |
1133 | _Jv_JNI_CallStaticVoidMethodA (JNIEnv *env, jclass klass, | |
f06a83c0 | 1134 | jmethodID id, const jvalue *args) |
8a922095 TT |
1135 | { |
1136 | _Jv_JNI_CallAnyVoidMethodA<static_type> (env, NULL, klass, id, args); | |
1137 | } | |
1138 | ||
8319dc87 PB |
1139 | static jobject JNICALL |
1140 | _Jv_JNI_NewObjectV (JNIEnv *env, jclass klass, | |
8e9031ec | 1141 | jmethodID id, va_list args) |
8a922095 | 1142 | { |
278abd28 | 1143 | JvAssert (klass && ! klass->isArray ()); |
a61d70b8 JH |
1144 | JvAssert (! strcmp (id->name->chars(), "<init>") |
1145 | && id->signature->len() > 2 | |
1146 | && id->signature->chars()[0] == '(' | |
1147 | && ! strcmp (&id->signature->chars()[id->signature->len() - 2], | |
1adbc4d8 TT |
1148 | ")V")); |
1149 | ||
8a922095 TT |
1150 | return _Jv_JNI_CallAnyMethodV<jobject, constructor> (env, NULL, klass, |
1151 | id, args); | |
1152 | } | |
1153 | ||
8319dc87 PB |
1154 | static jobject JNICALL |
1155 | _Jv_JNI_NewObject (JNIEnv *env, jclass klass, jmethodID id, ...) | |
8a922095 | 1156 | { |
278abd28 | 1157 | JvAssert (klass && ! klass->isArray ()); |
a61d70b8 JH |
1158 | JvAssert (! strcmp (id->name->chars(), "<init>") |
1159 | && id->signature->len() > 2 | |
1160 | && id->signature->chars()[0] == '(' | |
1161 | && ! strcmp (&id->signature->chars()[id->signature->len() - 2], | |
1adbc4d8 | 1162 | ")V")); |
278abd28 | 1163 | |
8a922095 TT |
1164 | va_list args; |
1165 | jobject result; | |
1166 | ||
1167 | va_start (args, id); | |
1168 | result = _Jv_JNI_CallAnyMethodV<jobject, constructor> (env, NULL, klass, | |
1169 | id, args); | |
1170 | va_end (args); | |
1171 | ||
1172 | return result; | |
1173 | } | |
1174 | ||
8319dc87 PB |
1175 | static jobject JNICALL |
1176 | _Jv_JNI_NewObjectA (JNIEnv *env, jclass klass, jmethodID id, | |
f06a83c0 | 1177 | const jvalue *args) |
8a922095 | 1178 | { |
278abd28 | 1179 | JvAssert (klass && ! klass->isArray ()); |
a61d70b8 JH |
1180 | JvAssert (! strcmp (id->name->chars(), "<init>") |
1181 | && id->signature->len() > 2 | |
1182 | && id->signature->chars()[0] == '(' | |
1183 | && ! strcmp (&id->signature->chars()[id->signature->len() - 2], | |
1adbc4d8 TT |
1184 | ")V")); |
1185 | ||
8a922095 TT |
1186 | return _Jv_JNI_CallAnyMethodA<jobject, constructor> (env, NULL, klass, |
1187 | id, args); | |
1188 | } | |
1189 | ||
1190 | \f | |
1191 | ||
1192 | template<typename T> | |
8319dc87 PB |
1193 | static T JNICALL |
1194 | _Jv_JNI_GetField (JNIEnv *env, jobject obj, jfieldID field) | |
8a922095 | 1195 | { |
819138ac | 1196 | obj = unwrap (obj); |
278abd28 | 1197 | JvAssert (obj); |
8a922095 | 1198 | T *ptr = (T *) ((char *) obj + field->getOffset ()); |
ee7f72e4 | 1199 | return wrap_value (env, *ptr); |
5dc489c1 TT |
1200 | } |
1201 | ||
8a922095 | 1202 | template<typename T> |
8319dc87 PB |
1203 | static void JNICALL |
1204 | _Jv_JNI_SetField (JNIEnv *, jobject obj, jfieldID field, T value) | |
8a922095 | 1205 | { |
819138ac TT |
1206 | obj = unwrap (obj); |
1207 | value = unwrap (value); | |
1208 | ||
278abd28 | 1209 | JvAssert (obj); |
8a922095 TT |
1210 | T *ptr = (T *) ((char *) obj + field->getOffset ()); |
1211 | *ptr = value; | |
1212 | } | |
1213 | ||
1214 | template<jboolean is_static> | |
8319dc87 PB |
1215 | static jfieldID JNICALL |
1216 | _Jv_JNI_GetAnyFieldID (JNIEnv *env, jclass clazz, | |
8e9031ec | 1217 | const char *name, const char *sig) |
8a922095 | 1218 | { |
b099f07d TT |
1219 | try |
1220 | { | |
819138ac TT |
1221 | clazz = unwrap (clazz); |
1222 | ||
b099f07d | 1223 | _Jv_InitClass (clazz); |
8a922095 | 1224 | |
b099f07d | 1225 | _Jv_Utf8Const *a_name = _Jv_makeUtf8Const ((char *) name, -1); |
8a922095 | 1226 | |
f86f42a8 TT |
1227 | // FIXME: assume that SIG isn't too long. |
1228 | int len = strlen (sig); | |
1229 | char s[len + 1]; | |
1230 | for (int i = 0; i <= len; ++i) | |
1231 | s[i] = (sig[i] == '/') ? '.' : sig[i]; | |
88b886f5 AH |
1232 | java::lang::ClassLoader *loader = clazz->getClassLoaderInternal (); |
1233 | jclass field_class = _Jv_FindClassFromSignature ((char *) s, loader); | |
8b6e7690 TT |
1234 | if (! field_class) |
1235 | throw new java::lang::ClassNotFoundException(JvNewStringUTF(s)); | |
8a922095 | 1236 | |
b099f07d | 1237 | while (clazz != NULL) |
8a922095 | 1238 | { |
83c64db6 TT |
1239 | // We acquire the class lock so that fields aren't resolved |
1240 | // while we are running. | |
1241 | JvSynchronize sync (clazz); | |
1242 | ||
b099f07d TT |
1243 | jint count = (is_static |
1244 | ? JvNumStaticFields (clazz) | |
1245 | : JvNumInstanceFields (clazz)); | |
1246 | jfieldID field = (is_static | |
1247 | ? JvGetFirstStaticField (clazz) | |
1248 | : JvGetFirstInstanceField (clazz)); | |
1249 | for (jint i = 0; i < count; ++i) | |
1250 | { | |
b099f07d | 1251 | _Jv_Utf8Const *f_name = field->getNameUtf8Const(clazz); |
8a922095 | 1252 | |
83c64db6 TT |
1253 | // The field might be resolved or it might not be. It |
1254 | // is much simpler to always resolve it. | |
36739040 | 1255 | _Jv_Linker::resolve_field (field, loader); |
b099f07d TT |
1256 | if (_Jv_equalUtf8Consts (f_name, a_name) |
1257 | && field->getClass() == field_class) | |
1258 | return field; | |
8a922095 | 1259 | |
b099f07d TT |
1260 | field = field->getNextField (); |
1261 | } | |
1262 | ||
1263 | clazz = clazz->getSuperclass (); | |
8a922095 TT |
1264 | } |
1265 | ||
b099f07d TT |
1266 | env->ex = new java::lang::NoSuchFieldError (); |
1267 | } | |
1268 | catch (jthrowable t) | |
1269 | { | |
1270 | env->ex = t; | |
8a922095 | 1271 | } |
8a922095 TT |
1272 | return NULL; |
1273 | } | |
1274 | ||
1275 | template<typename T> | |
8319dc87 PB |
1276 | static T JNICALL |
1277 | _Jv_JNI_GetStaticField (JNIEnv *env, jclass, jfieldID field) | |
8a922095 TT |
1278 | { |
1279 | T *ptr = (T *) field->u.addr; | |
ee7f72e4 | 1280 | return wrap_value (env, *ptr); |
5dc489c1 TT |
1281 | } |
1282 | ||
8a922095 | 1283 | template<typename T> |
8319dc87 PB |
1284 | static void JNICALL |
1285 | _Jv_JNI_SetStaticField (JNIEnv *, jclass, jfieldID field, T value) | |
8a922095 | 1286 | { |
819138ac | 1287 | value = unwrap (value); |
8a922095 TT |
1288 | T *ptr = (T *) field->u.addr; |
1289 | *ptr = value; | |
1290 | } | |
1291 | ||
8319dc87 PB |
1292 | static jstring JNICALL |
1293 | _Jv_JNI_NewString (JNIEnv *env, const jchar *unichars, jsize len) | |
8a922095 | 1294 | { |
b099f07d TT |
1295 | try |
1296 | { | |
1297 | jstring r = _Jv_NewString (unichars, len); | |
1298 | return (jstring) wrap_value (env, r); | |
1299 | } | |
1300 | catch (jthrowable t) | |
1301 | { | |
1302 | env->ex = t; | |
1303 | return NULL; | |
1304 | } | |
ee9dd372 TT |
1305 | } |
1306 | ||
8319dc87 PB |
1307 | static jsize JNICALL |
1308 | _Jv_JNI_GetStringLength (JNIEnv *, jstring string) | |
ee9dd372 | 1309 | { |
819138ac | 1310 | return unwrap (string)->length(); |
ee9dd372 TT |
1311 | } |
1312 | ||
8319dc87 PB |
1313 | static const jchar * JNICALL |
1314 | _Jv_JNI_GetStringChars (JNIEnv *, jstring string, jboolean *isCopy) | |
8a922095 | 1315 | { |
819138ac | 1316 | string = unwrap (string); |
8a922095 | 1317 | jchar *result = _Jv_GetStringChars (string); |
39986dd5 | 1318 | mark_for_gc (string, global_ref_table); |
8a922095 TT |
1319 | if (isCopy) |
1320 | *isCopy = false; | |
1321 | return (const jchar *) result; | |
1322 | } | |
1323 | ||
8319dc87 PB |
1324 | static void JNICALL |
1325 | _Jv_JNI_ReleaseStringChars (JNIEnv *, jstring string, const jchar *) | |
8a922095 | 1326 | { |
819138ac | 1327 | unmark_for_gc (unwrap (string), global_ref_table); |
8a922095 TT |
1328 | } |
1329 | ||
8319dc87 PB |
1330 | static jstring JNICALL |
1331 | _Jv_JNI_NewStringUTF (JNIEnv *env, const char *bytes) | |
8a922095 | 1332 | { |
b099f07d TT |
1333 | try |
1334 | { | |
476924c9 TT |
1335 | // For compatibility with the JDK. |
1336 | if (!bytes) | |
1337 | return NULL; | |
b099f07d TT |
1338 | jstring result = JvNewStringUTF (bytes); |
1339 | return (jstring) wrap_value (env, result); | |
1340 | } | |
1341 | catch (jthrowable t) | |
1342 | { | |
1343 | env->ex = t; | |
1344 | return NULL; | |
1345 | } | |
8a922095 TT |
1346 | } |
1347 | ||
8319dc87 PB |
1348 | static jsize JNICALL |
1349 | _Jv_JNI_GetStringUTFLength (JNIEnv *, jstring string) | |
8a922095 | 1350 | { |
819138ac | 1351 | return JvGetStringUTFLength (unwrap (string)); |
8a922095 TT |
1352 | } |
1353 | ||
8319dc87 PB |
1354 | static const char * JNICALL |
1355 | _Jv_JNI_GetStringUTFChars (JNIEnv *env, jstring string, | |
8e9031ec | 1356 | jboolean *isCopy) |
8a922095 | 1357 | { |
b099f07d TT |
1358 | try |
1359 | { | |
6c363de7 TT |
1360 | string = unwrap (string); |
1361 | if (string == NULL) | |
1362 | return NULL; | |
1363 | jsize len = JvGetStringUTFLength (string); | |
b099f07d | 1364 | char *r = (char *) _Jv_Malloc (len + 1); |
b86ca9a2 | 1365 | JvGetStringUTFRegion (string, 0, string->length(), r); |
b099f07d | 1366 | r[len] = '\0'; |
8a922095 | 1367 | |
b099f07d TT |
1368 | if (isCopy) |
1369 | *isCopy = true; | |
8a922095 | 1370 | |
b099f07d TT |
1371 | return (const char *) r; |
1372 | } | |
1373 | catch (jthrowable t) | |
1374 | { | |
1375 | env->ex = t; | |
1376 | return NULL; | |
1377 | } | |
8a922095 TT |
1378 | } |
1379 | ||
8319dc87 PB |
1380 | static void JNICALL |
1381 | _Jv_JNI_ReleaseStringUTFChars (JNIEnv *, jstring, const char *utf) | |
8a922095 TT |
1382 | { |
1383 | _Jv_Free ((void *) utf); | |
1384 | } | |
1385 | ||
8319dc87 PB |
1386 | static void JNICALL |
1387 | _Jv_JNI_GetStringRegion (JNIEnv *env, jstring string, jsize start, | |
8e9031ec | 1388 | jsize len, jchar *buf) |
355dff4c | 1389 | { |
819138ac | 1390 | string = unwrap (string); |
355dff4c TT |
1391 | jchar *result = _Jv_GetStringChars (string); |
1392 | if (start < 0 || start > string->length () | |
1393 | || len < 0 || start + len > string->length ()) | |
b099f07d TT |
1394 | { |
1395 | try | |
1396 | { | |
1397 | env->ex = new java::lang::StringIndexOutOfBoundsException (); | |
1398 | } | |
1399 | catch (jthrowable t) | |
1400 | { | |
1401 | env->ex = t; | |
1402 | } | |
1403 | } | |
355dff4c TT |
1404 | else |
1405 | memcpy (buf, &result[start], len * sizeof (jchar)); | |
1406 | } | |
1407 | ||
8319dc87 PB |
1408 | static void JNICALL |
1409 | _Jv_JNI_GetStringUTFRegion (JNIEnv *env, jstring str, jsize start, | |
8e9031ec | 1410 | jsize len, char *buf) |
355dff4c | 1411 | { |
819138ac TT |
1412 | str = unwrap (str); |
1413 | ||
355dff4c TT |
1414 | if (start < 0 || start > str->length () |
1415 | || len < 0 || start + len > str->length ()) | |
b099f07d TT |
1416 | { |
1417 | try | |
1418 | { | |
1419 | env->ex = new java::lang::StringIndexOutOfBoundsException (); | |
1420 | } | |
1421 | catch (jthrowable t) | |
1422 | { | |
1423 | env->ex = t; | |
1424 | } | |
1425 | } | |
355dff4c TT |
1426 | else |
1427 | _Jv_GetStringUTFRegion (str, start, len, buf); | |
1428 | } | |
1429 | ||
8319dc87 PB |
1430 | static const jchar * JNICALL |
1431 | _Jv_JNI_GetStringCritical (JNIEnv *, jstring str, jboolean *isCopy) | |
355dff4c | 1432 | { |
819138ac | 1433 | jchar *result = _Jv_GetStringChars (unwrap (str)); |
355dff4c TT |
1434 | if (isCopy) |
1435 | *isCopy = false; | |
1436 | return result; | |
1437 | } | |
1438 | ||
8319dc87 PB |
1439 | static void JNICALL |
1440 | _Jv_JNI_ReleaseStringCritical (JNIEnv *, jstring, const jchar *) | |
355dff4c TT |
1441 | { |
1442 | // Nothing. | |
1443 | } | |
1444 | ||
8319dc87 PB |
1445 | static jsize JNICALL |
1446 | _Jv_JNI_GetArrayLength (JNIEnv *, jarray array) | |
8a922095 | 1447 | { |
819138ac | 1448 | return unwrap (array)->length; |
8a922095 TT |
1449 | } |
1450 | ||
cb0be2e7 | 1451 | static jobjectArray JNICALL |
8319dc87 | 1452 | _Jv_JNI_NewObjectArray (JNIEnv *env, jsize length, |
8e9031ec | 1453 | jclass elementClass, jobject init) |
8a922095 | 1454 | { |
b099f07d TT |
1455 | try |
1456 | { | |
819138ac TT |
1457 | elementClass = unwrap (elementClass); |
1458 | init = unwrap (init); | |
1459 | ||
9bc825c4 | 1460 | _Jv_CheckCast (elementClass, init); |
b099f07d | 1461 | jarray result = JvNewObjectArray (length, elementClass, init); |
cb0be2e7 | 1462 | return (jobjectArray) wrap_value (env, result); |
b099f07d TT |
1463 | } |
1464 | catch (jthrowable t) | |
1465 | { | |
1466 | env->ex = t; | |
1467 | return NULL; | |
1468 | } | |
8a922095 TT |
1469 | } |
1470 | ||
8319dc87 PB |
1471 | static jobject JNICALL |
1472 | _Jv_JNI_GetObjectArrayElement (JNIEnv *env, jobjectArray array, | |
8e9031ec | 1473 | jsize index) |
8a922095 | 1474 | { |
9bc825c4 TT |
1475 | if ((unsigned) index >= (unsigned) array->length) |
1476 | _Jv_ThrowBadArrayIndex (index); | |
819138ac | 1477 | jobject *elts = elements (unwrap (array)); |
278abd28 | 1478 | return wrap_value (env, elts[index]); |
8a922095 TT |
1479 | } |
1480 | ||
8319dc87 PB |
1481 | static void JNICALL |
1482 | _Jv_JNI_SetObjectArrayElement (JNIEnv *env, jobjectArray array, | |
8e9031ec | 1483 | jsize index, jobject value) |
8a922095 | 1484 | { |
b099f07d TT |
1485 | try |
1486 | { | |
819138ac TT |
1487 | array = unwrap (array); |
1488 | value = unwrap (value); | |
1489 | ||
b099f07d | 1490 | _Jv_CheckArrayStore (array, value); |
9bc825c4 TT |
1491 | if ((unsigned) index >= (unsigned) array->length) |
1492 | _Jv_ThrowBadArrayIndex (index); | |
b099f07d TT |
1493 | jobject *elts = elements (array); |
1494 | elts[index] = value; | |
1495 | } | |
1496 | catch (jthrowable t) | |
1497 | { | |
1498 | env->ex = t; | |
1499 | } | |
8a922095 TT |
1500 | } |
1501 | ||
1502 | template<typename T, jclass K> | |
8319dc87 PB |
1503 | static JArray<T> * JNICALL |
1504 | _Jv_JNI_NewPrimitiveArray (JNIEnv *env, jsize length) | |
8a922095 | 1505 | { |
b099f07d TT |
1506 | try |
1507 | { | |
1508 | return (JArray<T> *) wrap_value (env, _Jv_NewPrimArray (K, length)); | |
1509 | } | |
1510 | catch (jthrowable t) | |
1511 | { | |
1512 | env->ex = t; | |
1513 | return NULL; | |
1514 | } | |
8a922095 TT |
1515 | } |
1516 | ||
e976ed37 | 1517 | template<typename T, jclass K> |
8319dc87 PB |
1518 | static T * JNICALL |
1519 | _Jv_JNI_GetPrimitiveArrayElements (JNIEnv *env, JArray<T> *array, | |
8e9031ec | 1520 | jboolean *isCopy) |
8a922095 | 1521 | { |
819138ac | 1522 | array = unwrap (array); |
e976ed37 AH |
1523 | if (! _Jv_JNI_check_types (env, array, K)) |
1524 | return NULL; | |
8a922095 TT |
1525 | T *elts = elements (array); |
1526 | if (isCopy) | |
1527 | { | |
1528 | // We elect never to copy. | |
1529 | *isCopy = false; | |
1530 | } | |
39986dd5 | 1531 | mark_for_gc (array, global_ref_table); |
8a922095 TT |
1532 | return elts; |
1533 | } | |
1534 | ||
e976ed37 | 1535 | template<typename T, jclass K> |
8319dc87 PB |
1536 | static void JNICALL |
1537 | _Jv_JNI_ReleasePrimitiveArrayElements (JNIEnv *env, JArray<T> *array, | |
8e9031ec | 1538 | T *, jint /* mode */) |
8a922095 | 1539 | { |
819138ac | 1540 | array = unwrap (array); |
e976ed37 | 1541 | _Jv_JNI_check_types (env, array, K); |
8a922095 TT |
1542 | // Note that we ignore MODE. We can do this because we never copy |
1543 | // the array elements. My reading of the JNI documentation is that | |
1544 | // this is an option for the implementor. | |
39986dd5 | 1545 | unmark_for_gc (array, global_ref_table); |
8a922095 TT |
1546 | } |
1547 | ||
e976ed37 | 1548 | template<typename T, jclass K> |
8319dc87 PB |
1549 | static void JNICALL |
1550 | _Jv_JNI_GetPrimitiveArrayRegion (JNIEnv *env, JArray<T> *array, | |
8e9031ec | 1551 | jsize start, jsize len, |
8a922095 TT |
1552 | T *buf) |
1553 | { | |
819138ac | 1554 | array = unwrap (array); |
e976ed37 AH |
1555 | if (! _Jv_JNI_check_types (env, array, K)) |
1556 | return; | |
819138ac | 1557 | |
55cc31c0 TT |
1558 | // The cast to unsigned lets us save a comparison. |
1559 | if (start < 0 || len < 0 | |
ecd554cd | 1560 | || (unsigned long) (start + len) > (unsigned long) array->length) |
8a922095 | 1561 | { |
b099f07d TT |
1562 | try |
1563 | { | |
1564 | // FIXME: index. | |
1565 | env->ex = new java::lang::ArrayIndexOutOfBoundsException (); | |
1566 | } | |
1567 | catch (jthrowable t) | |
1568 | { | |
1569 | // Could have thown out of memory error. | |
1570 | env->ex = t; | |
1571 | } | |
8a922095 TT |
1572 | } |
1573 | else | |
1574 | { | |
1575 | T *elts = elements (array) + start; | |
1576 | memcpy (buf, elts, len * sizeof (T)); | |
1577 | } | |
1578 | } | |
1579 | ||
e976ed37 | 1580 | template<typename T, jclass K> |
8319dc87 PB |
1581 | static void JNICALL |
1582 | _Jv_JNI_SetPrimitiveArrayRegion (JNIEnv *env, JArray<T> *array, | |
f06a83c0 | 1583 | jsize start, jsize len, const T *buf) |
8a922095 | 1584 | { |
819138ac | 1585 | array = unwrap (array); |
e976ed37 AH |
1586 | if (! _Jv_JNI_check_types (env, array, K)) |
1587 | return; | |
819138ac | 1588 | |
55cc31c0 TT |
1589 | // The cast to unsigned lets us save a comparison. |
1590 | if (start < 0 || len < 0 | |
ecd554cd | 1591 | || (unsigned long) (start + len) > (unsigned long) array->length) |
8a922095 | 1592 | { |
b099f07d TT |
1593 | try |
1594 | { | |
1595 | // FIXME: index. | |
1596 | env->ex = new java::lang::ArrayIndexOutOfBoundsException (); | |
1597 | } | |
1598 | catch (jthrowable t) | |
1599 | { | |
1600 | env->ex = t; | |
1601 | } | |
8a922095 TT |
1602 | } |
1603 | else | |
1604 | { | |
1605 | T *elts = elements (array) + start; | |
1606 | memcpy (elts, buf, len * sizeof (T)); | |
1607 | } | |
1608 | } | |
1609 | ||
8319dc87 PB |
1610 | static void * JNICALL |
1611 | _Jv_JNI_GetPrimitiveArrayCritical (JNIEnv *, jarray array, | |
8e9031ec | 1612 | jboolean *isCopy) |
355dff4c | 1613 | { |
819138ac | 1614 | array = unwrap (array); |
355dff4c TT |
1615 | // FIXME: does this work? |
1616 | jclass klass = array->getClass()->getComponentType(); | |
1617 | JvAssert (klass->isPrimitive ()); | |
1618 | char *r = _Jv_GetArrayElementFromElementType (array, klass); | |
1619 | if (isCopy) | |
1620 | *isCopy = false; | |
1621 | return r; | |
1622 | } | |
1623 | ||
8319dc87 PB |
1624 | static void JNICALL |
1625 | _Jv_JNI_ReleasePrimitiveArrayCritical (JNIEnv *, jarray, void *, jint) | |
355dff4c TT |
1626 | { |
1627 | // Nothing. | |
1628 | } | |
1629 | ||
8319dc87 PB |
1630 | static jint JNICALL |
1631 | _Jv_JNI_MonitorEnter (JNIEnv *env, jobject obj) | |
8a922095 | 1632 | { |
b099f07d TT |
1633 | try |
1634 | { | |
819138ac | 1635 | _Jv_MonitorEnter (unwrap (obj)); |
55cc31c0 | 1636 | return 0; |
b099f07d TT |
1637 | } |
1638 | catch (jthrowable t) | |
1639 | { | |
1640 | env->ex = t; | |
1641 | } | |
1642 | return JNI_ERR; | |
8a922095 TT |
1643 | } |
1644 | ||
8319dc87 PB |
1645 | static jint JNICALL |
1646 | _Jv_JNI_MonitorExit (JNIEnv *env, jobject obj) | |
8a922095 | 1647 | { |
b099f07d TT |
1648 | try |
1649 | { | |
819138ac | 1650 | _Jv_MonitorExit (unwrap (obj)); |
55cc31c0 | 1651 | return 0; |
b099f07d TT |
1652 | } |
1653 | catch (jthrowable t) | |
1654 | { | |
1655 | env->ex = t; | |
1656 | } | |
1657 | return JNI_ERR; | |
8a922095 TT |
1658 | } |
1659 | ||
ee9dd372 | 1660 | // JDK 1.2 |
8319dc87 PB |
1661 | jobject JNICALL |
1662 | _Jv_JNI_ToReflectedField (JNIEnv *env, jclass cls, jfieldID fieldID, | |
8e9031ec | 1663 | jboolean) |
ee9dd372 | 1664 | { |
b099f07d TT |
1665 | try |
1666 | { | |
819138ac | 1667 | cls = unwrap (cls); |
b099f07d TT |
1668 | java::lang::reflect::Field *field = new java::lang::reflect::Field(); |
1669 | field->declaringClass = cls; | |
1670 | field->offset = (char*) fieldID - (char *) cls->fields; | |
1671 | field->name = _Jv_NewStringUtf8Const (fieldID->getNameUtf8Const (cls)); | |
1672 | return wrap_value (env, field); | |
1673 | } | |
1674 | catch (jthrowable t) | |
1675 | { | |
1676 | env->ex = t; | |
1677 | } | |
1678 | return NULL; | |
ee9dd372 TT |
1679 | } |
1680 | ||
1681 | // JDK 1.2 | |
8319dc87 PB |
1682 | static jfieldID JNICALL |
1683 | _Jv_JNI_FromReflectedField (JNIEnv *, jobject f) | |
ee9dd372 | 1684 | { |
355dff4c TT |
1685 | using namespace java::lang::reflect; |
1686 | ||
819138ac | 1687 | f = unwrap (f); |
355dff4c | 1688 | Field *field = reinterpret_cast<Field *> (f); |
ee9dd372 TT |
1689 | return _Jv_FromReflectedField (field); |
1690 | } | |
1691 | ||
8319dc87 PB |
1692 | jobject JNICALL |
1693 | _Jv_JNI_ToReflectedMethod (JNIEnv *env, jclass klass, jmethodID id, | |
8e9031ec | 1694 | jboolean) |
355dff4c TT |
1695 | { |
1696 | using namespace java::lang::reflect; | |
1697 | ||
b099f07d | 1698 | jobject result = NULL; |
819138ac | 1699 | klass = unwrap (klass); |
b099f07d TT |
1700 | |
1701 | try | |
355dff4c | 1702 | { |
b099f07d TT |
1703 | if (_Jv_equalUtf8Consts (id->name, init_name)) |
1704 | { | |
1705 | // A constructor. | |
1706 | Constructor *cons = new Constructor (); | |
1707 | cons->offset = (char *) id - (char *) &klass->methods; | |
1708 | cons->declaringClass = klass; | |
1709 | result = cons; | |
1710 | } | |
1711 | else | |
1712 | { | |
1713 | Method *meth = new Method (); | |
1714 | meth->offset = (char *) id - (char *) &klass->methods; | |
1715 | meth->declaringClass = klass; | |
1716 | result = meth; | |
1717 | } | |
355dff4c | 1718 | } |
b099f07d | 1719 | catch (jthrowable t) |
355dff4c | 1720 | { |
b099f07d | 1721 | env->ex = t; |
355dff4c TT |
1722 | } |
1723 | ||
278abd28 | 1724 | return wrap_value (env, result); |
355dff4c TT |
1725 | } |
1726 | ||
8319dc87 PB |
1727 | static jmethodID JNICALL |
1728 | _Jv_JNI_FromReflectedMethod (JNIEnv *, jobject method) | |
355dff4c TT |
1729 | { |
1730 | using namespace java::lang::reflect; | |
819138ac | 1731 | method = unwrap (method); |
39986dd5 | 1732 | if (Method::class$.isInstance (method)) |
355dff4c TT |
1733 | return _Jv_FromReflectedMethod (reinterpret_cast<Method *> (method)); |
1734 | return | |
1735 | _Jv_FromReflectedConstructor (reinterpret_cast<Constructor *> (method)); | |
1736 | } | |
1737 | ||
819138ac | 1738 | // JDK 1.2. |
8319dc87 PB |
1739 | jweak JNICALL |
1740 | _Jv_JNI_NewWeakGlobalRef (JNIEnv *env, jobject obj) | |
819138ac TT |
1741 | { |
1742 | using namespace gnu::gcj::runtime; | |
1743 | JNIWeakRef *ref = NULL; | |
1744 | ||
1745 | try | |
1746 | { | |
1747 | // This seems weird but I think it is correct. | |
1748 | obj = unwrap (obj); | |
1749 | ref = new JNIWeakRef (obj); | |
1750 | mark_for_gc (ref, global_ref_table); | |
1751 | } | |
1752 | catch (jthrowable t) | |
1753 | { | |
1754 | env->ex = t; | |
1755 | } | |
1756 | ||
1757 | return reinterpret_cast<jweak> (ref); | |
1758 | } | |
1759 | ||
8319dc87 PB |
1760 | void JNICALL |
1761 | _Jv_JNI_DeleteWeakGlobalRef (JNIEnv *, jweak obj) | |
819138ac | 1762 | { |
30423732 MT |
1763 | // JDK compatibility. |
1764 | if (obj == NULL) | |
1765 | return; | |
1766 | ||
819138ac TT |
1767 | using namespace gnu::gcj::runtime; |
1768 | JNIWeakRef *ref = reinterpret_cast<JNIWeakRef *> (obj); | |
1769 | unmark_for_gc (ref, global_ref_table); | |
1770 | ref->clear (); | |
1771 | } | |
1772 | ||
a4f291fc TT |
1773 | \f |
1774 | ||
880f8c16 TT |
1775 | // Direct byte buffers. |
1776 | ||
8319dc87 PB |
1777 | static jobject JNICALL |
1778 | _Jv_JNI_NewDirectByteBuffer (JNIEnv *, void *address, jlong length) | |
880f8c16 | 1779 | { |
6f3aed57 MK |
1780 | using namespace gnu::gcj; |
1781 | using namespace java::nio; | |
7ef52736 MK |
1782 | return new DirectByteBufferImpl$ReadWrite |
1783 | (reinterpret_cast<RawData *> (address), length); | |
880f8c16 TT |
1784 | } |
1785 | ||
8319dc87 PB |
1786 | static void * JNICALL |
1787 | _Jv_JNI_GetDirectBufferAddress (JNIEnv *, jobject buffer) | |
880f8c16 | 1788 | { |
6f3aed57 | 1789 | using namespace java::nio; |
d2ba8a75 MK |
1790 | if (! _Jv_IsInstanceOf (buffer, &Buffer::class$)) |
1791 | return NULL; | |
1792 | Buffer *tmp = static_cast<Buffer *> (buffer); | |
1793 | return reinterpret_cast<void *> (tmp->address); | |
880f8c16 TT |
1794 | } |
1795 | ||
8319dc87 PB |
1796 | static jlong JNICALL |
1797 | _Jv_JNI_GetDirectBufferCapacity (JNIEnv *, jobject buffer) | |
880f8c16 | 1798 | { |
6f3aed57 | 1799 | using namespace java::nio; |
d2ba8a75 MK |
1800 | if (! _Jv_IsInstanceOf (buffer, &Buffer::class$)) |
1801 | return -1; | |
1802 | Buffer *tmp = static_cast<Buffer *> (buffer); | |
1803 | if (tmp->address == NULL) | |
1804 | return -1; | |
1805 | return tmp->capacity(); | |
880f8c16 TT |
1806 | } |
1807 | ||
e0441a5b MK |
1808 | static jobjectRefType JNICALL |
1809 | _Jv_JNI_GetObjectRefType (JNIEnv *, jobject object) | |
1810 | { | |
1811 | JvFail("GetObjectRefType not implemented"); | |
1812 | return JNIInvalidRefType; | |
1813 | } | |
1814 | ||
880f8c16 TT |
1815 | \f |
1816 | ||
e7f7d233 TT |
1817 | struct NativeMethodCacheEntry : public JNINativeMethod |
1818 | { | |
1819 | char *className; | |
1820 | }; | |
1821 | ||
a4f291fc | 1822 | // Hash table of native methods. |
e7f7d233 | 1823 | static NativeMethodCacheEntry *nathash; |
a4f291fc TT |
1824 | // Number of slots used. |
1825 | static int nathash_count = 0; | |
1826 | // Number of slots available. Must be power of 2. | |
1827 | static int nathash_size = 0; | |
1828 | ||
1829 | #define DELETED_ENTRY ((char *) (~0)) | |
1830 | ||
1831 | // Compute a hash value for a native method descriptor. | |
1832 | static int | |
e7f7d233 | 1833 | hash (const NativeMethodCacheEntry *method) |
a4f291fc TT |
1834 | { |
1835 | char *ptr; | |
1836 | int hash = 0; | |
1837 | ||
e7f7d233 TT |
1838 | ptr = method->className; |
1839 | while (*ptr) | |
1840 | hash = (31 * hash) + *ptr++; | |
1841 | ||
a4f291fc TT |
1842 | ptr = method->name; |
1843 | while (*ptr) | |
1844 | hash = (31 * hash) + *ptr++; | |
1845 | ||
1846 | ptr = method->signature; | |
1847 | while (*ptr) | |
1848 | hash = (31 * hash) + *ptr++; | |
1849 | ||
1850 | return hash; | |
1851 | } | |
1852 | ||
1853 | // Find the slot where a native method goes. | |
e7f7d233 TT |
1854 | static NativeMethodCacheEntry * |
1855 | nathash_find_slot (const NativeMethodCacheEntry *method) | |
a4f291fc TT |
1856 | { |
1857 | jint h = hash (method); | |
1858 | int step = (h ^ (h >> 16)) | 1; | |
1859 | int w = h & (nathash_size - 1); | |
1860 | int del = -1; | |
1861 | ||
1862 | for (;;) | |
1863 | { | |
e7f7d233 | 1864 | NativeMethodCacheEntry *slotp = &nathash[w]; |
a4f291fc TT |
1865 | if (slotp->name == NULL) |
1866 | { | |
1867 | if (del >= 0) | |
1868 | return &nathash[del]; | |
1869 | else | |
1870 | return slotp; | |
1871 | } | |
1872 | else if (slotp->name == DELETED_ENTRY) | |
1873 | del = w; | |
1874 | else if (! strcmp (slotp->name, method->name) | |
e7f7d233 TT |
1875 | && ! strcmp (slotp->signature, method->signature) |
1876 | && ! strcmp (slotp->className, method->className)) | |
a4f291fc TT |
1877 | return slotp; |
1878 | w = (w + step) & (nathash_size - 1); | |
1879 | } | |
1880 | } | |
1881 | ||
1882 | // Find a method. Return NULL if it isn't in the hash table. | |
1883 | static void * | |
e7f7d233 | 1884 | nathash_find (NativeMethodCacheEntry *method) |
a4f291fc TT |
1885 | { |
1886 | if (nathash == NULL) | |
1887 | return NULL; | |
e7f7d233 | 1888 | NativeMethodCacheEntry *slot = nathash_find_slot (method); |
a4f291fc TT |
1889 | if (slot->name == NULL || slot->name == DELETED_ENTRY) |
1890 | return NULL; | |
1891 | return slot->fnPtr; | |
1892 | } | |
1893 | ||
1894 | static void | |
1895 | natrehash () | |
1896 | { | |
1897 | if (nathash == NULL) | |
1898 | { | |
1899 | nathash_size = 1024; | |
1900 | nathash = | |
e7f7d233 TT |
1901 | (NativeMethodCacheEntry *) _Jv_AllocBytes (nathash_size |
1902 | * sizeof (NativeMethodCacheEntry)); | |
a4f291fc TT |
1903 | } |
1904 | else | |
1905 | { | |
1906 | int savesize = nathash_size; | |
e7f7d233 | 1907 | NativeMethodCacheEntry *savehash = nathash; |
a4f291fc TT |
1908 | nathash_size *= 2; |
1909 | nathash = | |
e7f7d233 TT |
1910 | (NativeMethodCacheEntry *) _Jv_AllocBytes (nathash_size |
1911 | * sizeof (NativeMethodCacheEntry)); | |
a4f291fc TT |
1912 | |
1913 | for (int i = 0; i < savesize; ++i) | |
1914 | { | |
1915 | if (savehash[i].name != NULL && savehash[i].name != DELETED_ENTRY) | |
1916 | { | |
e7f7d233 | 1917 | NativeMethodCacheEntry *slot = nathash_find_slot (&savehash[i]); |
a4f291fc TT |
1918 | *slot = savehash[i]; |
1919 | } | |
1920 | } | |
1921 | } | |
1922 | } | |
1923 | ||
1924 | static void | |
e7f7d233 | 1925 | nathash_add (const NativeMethodCacheEntry *method) |
a4f291fc TT |
1926 | { |
1927 | if (3 * nathash_count >= 2 * nathash_size) | |
1928 | natrehash (); | |
e7f7d233 | 1929 | NativeMethodCacheEntry *slot = nathash_find_slot (method); |
a4f291fc TT |
1930 | // If the slot has a real entry in it, then there is no work to do. |
1931 | if (slot->name != NULL && slot->name != DELETED_ENTRY) | |
1932 | return; | |
e7f7d233 | 1933 | // FIXME: memory leak? |
a4f291fc | 1934 | slot->name = strdup (method->name); |
e7f7d233 | 1935 | slot->className = strdup (method->className); |
f1b2b25c AG |
1936 | // This was already strduped in _Jv_JNI_RegisterNatives. |
1937 | slot->signature = method->signature; | |
a4f291fc TT |
1938 | slot->fnPtr = method->fnPtr; |
1939 | } | |
1940 | ||
8319dc87 PB |
1941 | static jint JNICALL |
1942 | _Jv_JNI_RegisterNatives (JNIEnv *env, jclass klass, | |
8e9031ec TT |
1943 | const JNINativeMethod *methods, |
1944 | jint nMethods) | |
8ade4771 | 1945 | { |
a4f291fc TT |
1946 | // Synchronize while we do the work. This must match |
1947 | // synchronization in some other functions that manipulate or use | |
1948 | // the nathash table. | |
1949 | JvSynchronize sync (global_ref_table); | |
8ade4771 | 1950 | |
e7f7d233 | 1951 | NativeMethodCacheEntry dottedMethod; |
f1b2b25c | 1952 | |
8ade4771 TT |
1953 | // Look at each descriptor given us, and find the corresponding |
1954 | // method in the class. | |
1955 | for (int j = 0; j < nMethods; ++j) | |
1956 | { | |
1957 | bool found = false; | |
1958 | ||
a4f291fc | 1959 | _Jv_Method *imeths = JvGetFirstMethod (klass); |
8ade4771 TT |
1960 | for (int i = 0; i < JvNumMethods (klass); ++i) |
1961 | { | |
a4f291fc | 1962 | _Jv_Method *self = &imeths[i]; |
8ade4771 | 1963 | |
f1b2b25c AG |
1964 | // Copy this JNINativeMethod and do a slash to dot |
1965 | // conversion on the signature. | |
1966 | dottedMethod.name = methods[j].name; | |
e7f7d233 TT |
1967 | // FIXME: we leak a little memory here if the method |
1968 | // is not found. | |
f1b2b25c AG |
1969 | dottedMethod.signature = strdup (methods[j].signature); |
1970 | dottedMethod.fnPtr = methods[j].fnPtr; | |
e7f7d233 | 1971 | dottedMethod.className = _Jv_GetClassNameUtf8 (klass)->chars(); |
f1b2b25c AG |
1972 | char *c = dottedMethod.signature; |
1973 | while (*c) | |
1974 | { | |
1975 | if (*c == '/') | |
1976 | *c = '.'; | |
1977 | c++; | |
1978 | } | |
1979 | ||
1980 | if (! strcmp (self->name->chars (), dottedMethod.name) | |
1981 | && ! strcmp (self->signature->chars (), dottedMethod.signature)) | |
8ade4771 | 1982 | { |
252d7884 | 1983 | if (! (self->accflags & java::lang::reflect::Modifier::NATIVE)) |
8ade4771 TT |
1984 | break; |
1985 | ||
1986 | // Found a match that is native. | |
8ade4771 | 1987 | found = true; |
f1b2b25c | 1988 | nathash_add (&dottedMethod); |
a4f291fc | 1989 | |
8ade4771 TT |
1990 | break; |
1991 | } | |
1992 | } | |
1993 | ||
1994 | if (! found) | |
1995 | { | |
1996 | jstring m = JvNewStringUTF (methods[j].name); | |
b099f07d TT |
1997 | try |
1998 | { | |
252d7884 | 1999 | env->ex = new java::lang::NoSuchMethodError (m); |
b099f07d TT |
2000 | } |
2001 | catch (jthrowable t) | |
2002 | { | |
2003 | env->ex = t; | |
2004 | } | |
8ade4771 TT |
2005 | return JNI_ERR; |
2006 | } | |
2007 | } | |
2008 | ||
2009 | return JNI_OK; | |
2010 | } | |
2011 | ||
8319dc87 PB |
2012 | static jint JNICALL |
2013 | _Jv_JNI_UnregisterNatives (JNIEnv *, jclass) | |
8ade4771 | 2014 | { |
a4f291fc | 2015 | // FIXME -- we could implement this. |
8ade4771 TT |
2016 | return JNI_ERR; |
2017 | } | |
2018 | ||
355dff4c TT |
2019 | \f |
2020 | ||
facc279f TT |
2021 | // Add a character to the buffer, encoding properly. |
2022 | static void | |
2023 | add_char (char *buf, jchar c, int *here) | |
2024 | { | |
2025 | if (c == '_') | |
2026 | { | |
2027 | buf[(*here)++] = '_'; | |
2028 | buf[(*here)++] = '1'; | |
2029 | } | |
2030 | else if (c == ';') | |
2031 | { | |
2032 | buf[(*here)++] = '_'; | |
2033 | buf[(*here)++] = '2'; | |
2034 | } | |
2035 | else if (c == '[') | |
2036 | { | |
2037 | buf[(*here)++] = '_'; | |
2038 | buf[(*here)++] = '3'; | |
2039 | } | |
736458d6 MD |
2040 | |
2041 | // Also check for `.' here because we might be passed an internal | |
2042 | // qualified class name like `foo.bar'. | |
2043 | else if (c == '/' || c == '.') | |
facc279f | 2044 | buf[(*here)++] = '_'; |
abfb7844 | 2045 | else if ((c >= '0' && c <= '9') |
5152512c TT |
2046 | || (c >= 'a' && c <= 'z') |
2047 | || (c >= 'A' && c <= 'Z')) | |
facc279f TT |
2048 | buf[(*here)++] = (char) c; |
2049 | else | |
2050 | { | |
2051 | // "Unicode" character. | |
2052 | buf[(*here)++] = '_'; | |
2053 | buf[(*here)++] = '0'; | |
2054 | for (int i = 0; i < 4; ++i) | |
2055 | { | |
2056 | int val = c & 0x0f; | |
5152512c | 2057 | buf[(*here) + 3 - i] = (val > 10) ? ('a' + val - 10) : ('0' + val); |
facc279f TT |
2058 | c >>= 4; |
2059 | } | |
2060 | *here += 4; | |
2061 | } | |
2062 | } | |
2063 | ||
2064 | // Compute a mangled name for a native function. This computes the | |
2065 | // long name, and also returns an index which indicates where a NUL | |
2066 | // can be placed to create the short name. This function assumes that | |
2067 | // the buffer is large enough for its results. | |
2068 | static void | |
2069 | mangled_name (jclass klass, _Jv_Utf8Const *func_name, | |
2070 | _Jv_Utf8Const *signature, char *buf, int *long_start) | |
2071 | { | |
2072 | strcpy (buf, "Java_"); | |
2073 | int here = 5; | |
2074 | ||
2075 | // Add fully qualified class name. | |
2076 | jchar *chars = _Jv_GetStringChars (klass->getName ()); | |
2077 | jint len = klass->getName ()->length (); | |
2078 | for (int i = 0; i < len; ++i) | |
2079 | add_char (buf, chars[i], &here); | |
2080 | ||
2081 | // Don't use add_char because we need a literal `_'. | |
2082 | buf[here++] = '_'; | |
2083 | ||
b4d49f49 PB |
2084 | const unsigned char *fn = (const unsigned char *) func_name->chars (); |
2085 | const unsigned char *limit = fn + func_name->len (); | |
facc279f TT |
2086 | for (int i = 0; ; ++i) |
2087 | { | |
2088 | int ch = UTF8_GET (fn, limit); | |
2089 | if (ch < 0) | |
2090 | break; | |
2091 | add_char (buf, ch, &here); | |
2092 | } | |
2093 | ||
2094 | // This is where the long signature begins. | |
2095 | *long_start = here; | |
2096 | buf[here++] = '_'; | |
2097 | buf[here++] = '_'; | |
2098 | ||
b4d49f49 PB |
2099 | const unsigned char *sig = (const unsigned char *) signature->chars (); |
2100 | limit = sig + signature->len (); | |
90a883ae | 2101 | JvAssert (sig[0] == '('); |
cdd59e7b TT |
2102 | ++sig; |
2103 | while (1) | |
facc279f TT |
2104 | { |
2105 | int ch = UTF8_GET (sig, limit); | |
2106 | if (ch == ')' || ch < 0) | |
2107 | break; | |
2108 | add_char (buf, ch, &here); | |
2109 | } | |
2110 | ||
2111 | buf[here] = '\0'; | |
2112 | } | |
2113 | ||
262fa8a4 TT |
2114 | JNIEnv * |
2115 | _Jv_GetJNIEnvNewFrameWithLoader (::java::lang::ClassLoader *loader) | |
355dff4c | 2116 | { |
8d00f617 | 2117 | JNIEnv *env = _Jv_GetCurrentJNIEnv (); |
84973b27 | 2118 | if (__builtin_expect (env == NULL, false)) |
8d00f617 TT |
2119 | { |
2120 | env = (JNIEnv *) _Jv_MallocUnchecked (sizeof (JNIEnv)); | |
cd6d4007 | 2121 | env->functions = &_Jv_JNIFunctions; |
8d00f617 | 2122 | env->locals = NULL; |
b08122a7 | 2123 | // We set env->ex below. |
ee6713e7 | 2124 | |
84973b27 GH |
2125 | // Set up the bottom, reusable frame. |
2126 | env->bottom_locals = (_Jv_JNI_LocalFrame *) | |
2127 | _Jv_MallocUnchecked (sizeof (_Jv_JNI_LocalFrame) | |
2128 | + (FRAME_SIZE | |
2129 | * sizeof (jobject))); | |
262fa8a4 | 2130 | |
84973b27 GH |
2131 | env->bottom_locals->marker = MARK_SYSTEM; |
2132 | env->bottom_locals->size = FRAME_SIZE; | |
2133 | env->bottom_locals->next = NULL; | |
262fa8a4 TT |
2134 | env->bottom_locals->allocated_p = false; |
2135 | // We set the klass field below. | |
84973b27 GH |
2136 | memset (&env->bottom_locals->vec[0], 0, |
2137 | env->bottom_locals->size * sizeof (jobject)); | |
2138 | ||
8d00f617 TT |
2139 | _Jv_SetCurrentJNIEnv (env); |
2140 | } | |
355dff4c | 2141 | |
84973b27 GH |
2142 | // If we're in a simple JNI call (non-nested), we can just reuse the |
2143 | // locals frame we allocated many calls ago, back when the env was first | |
2144 | // built, above. | |
7e648cf9 | 2145 | |
84973b27 | 2146 | if (__builtin_expect (env->locals == NULL, true)) |
262fa8a4 TT |
2147 | { |
2148 | env->locals = env->bottom_locals; | |
2149 | env->locals->loader = loader; | |
2150 | } | |
84973b27 GH |
2151 | else |
2152 | { | |
2153 | // Alternatively, we might be re-entering JNI, in which case we can't | |
2154 | // reuse the bottom_locals frame, because it is already underneath | |
2155 | // us. So we need to make a new one. | |
84973b27 GH |
2156 | _Jv_JNI_LocalFrame *frame |
2157 | = (_Jv_JNI_LocalFrame *) _Jv_MallocUnchecked (sizeof (_Jv_JNI_LocalFrame) | |
2158 | + (FRAME_SIZE | |
2159 | * sizeof (jobject))); | |
262fa8a4 | 2160 | |
84973b27 GH |
2161 | frame->marker = MARK_SYSTEM; |
2162 | frame->size = FRAME_SIZE; | |
262fa8a4 | 2163 | frame->allocated_p = false; |
84973b27 | 2164 | frame->next = env->locals; |
262fa8a4 | 2165 | frame->loader = loader; |
84973b27 GH |
2166 | |
2167 | memset (&frame->vec[0], 0, | |
2168 | frame->size * sizeof (jobject)); | |
2169 | ||
2170 | env->locals = frame; | |
2171 | } | |
355dff4c | 2172 | |
b08122a7 TT |
2173 | env->ex = NULL; |
2174 | ||
8d00f617 TT |
2175 | return env; |
2176 | } | |
2177 | ||
262fa8a4 TT |
2178 | // Return the current thread's JNIEnv; if one does not exist, create |
2179 | // it. Also create a new system frame for use. This is `extern "C"' | |
2180 | // because the compiler calls it. | |
2181 | extern "C" JNIEnv * | |
2182 | _Jv_GetJNIEnvNewFrame (jclass klass) | |
2183 | { | |
2184 | return _Jv_GetJNIEnvNewFrameWithLoader (klass->getClassLoaderInternal()); | |
2185 | } | |
2186 | ||
84973b27 GH |
2187 | // Destroy the env's reusable resources. This is called from the thread |
2188 | // destructor "finalize_native" in natThread.cc | |
2189 | void | |
2190 | _Jv_FreeJNIEnv (_Jv_JNIEnv *env) | |
2191 | { | |
2192 | if (env == NULL) | |
2193 | return; | |
2194 | ||
2195 | if (env->bottom_locals != NULL) | |
2196 | _Jv_Free (env->bottom_locals); | |
2197 | ||
2198 | _Jv_Free (env); | |
2199 | } | |
2200 | ||
8d00f617 TT |
2201 | // Return the function which implements a particular JNI method. If |
2202 | // we can't find the function, we throw the appropriate exception. | |
2203 | // This is `extern "C"' because the compiler uses it. | |
2204 | extern "C" void * | |
2205 | _Jv_LookupJNIMethod (jclass klass, _Jv_Utf8Const *name, | |
3953c057 | 2206 | _Jv_Utf8Const *signature, MAYBE_UNUSED int args_size) |
8d00f617 | 2207 | { |
b4d49f49 PB |
2208 | int name_length = name->len(); |
2209 | int sig_length = signature->len(); | |
2210 | char buf[10 + 6 * (name_length + sig_length) + 12]; | |
8d00f617 TT |
2211 | int long_start; |
2212 | void *function; | |
2213 | ||
a4f291fc TT |
2214 | // Synchronize on something convenient. Right now we use the hash. |
2215 | JvSynchronize sync (global_ref_table); | |
2216 | ||
2217 | // First see if we have an override in the hash table. | |
b4d49f49 PB |
2218 | strncpy (buf, name->chars (), name_length); |
2219 | buf[name_length] = '\0'; | |
2220 | strncpy (buf + name_length + 1, signature->chars (), sig_length); | |
2221 | buf[name_length + sig_length + 1] = '\0'; | |
e7f7d233 | 2222 | NativeMethodCacheEntry meth; |
a4f291fc | 2223 | meth.name = buf; |
b4d49f49 | 2224 | meth.signature = buf + name_length + 1; |
e7f7d233 | 2225 | meth.className = _Jv_GetClassNameUtf8(klass)->chars(); |
a4f291fc TT |
2226 | function = nathash_find (&meth); |
2227 | if (function != NULL) | |
2228 | return function; | |
2229 | ||
2230 | // If there was no override, then look in the symbol table. | |
c79d7702 RM |
2231 | buf[0] = '_'; |
2232 | mangled_name (klass, name, signature, buf + 1, &long_start); | |
2233 | char c = buf[long_start + 1]; | |
2234 | buf[long_start + 1] = '\0'; | |
2235 | ||
2236 | function = _Jv_FindSymbolInExecutable (buf + 1); | |
2237 | #ifdef WIN32 | |
2238 | // On Win32, we use the "stdcall" calling convention (see JNICALL | |
2239 | // in jni.h). | |
2240 | // | |
2241 | // For a function named 'fooBar' that takes 'nn' bytes as arguments, | |
2242 | // by default, MinGW GCC exports it as 'fooBar@nn', MSVC exports it | |
2243 | // as '_fooBar@nn' and Borland C exports it as 'fooBar'. We try to | |
2244 | // take care of all these variations here. | |
2245 | ||
2246 | char asz_buf[12]; /* '@' + '2147483647' (32-bit INT_MAX) + '\0' */ | |
2247 | char long_nm_sv[11]; /* Ditto, except for the '\0'. */ | |
2248 | ||
8d00f617 TT |
2249 | if (function == NULL) |
2250 | { | |
c79d7702 RM |
2251 | // We have tried searching for the 'fooBar' form (BCC) - now |
2252 | // try the others. | |
2253 | ||
2254 | // First, save the part of the long name that will be damaged | |
2255 | // by appending '@nn'. | |
2256 | memcpy (long_nm_sv, (buf + long_start + 1 + 1), sizeof (long_nm_sv)); | |
2257 | ||
2258 | sprintf (asz_buf, "@%d", args_size); | |
2259 | strcat (buf, asz_buf); | |
2260 | ||
2261 | // Search for the '_fooBar@nn' form (MSVC). | |
8d00f617 | 2262 | function = _Jv_FindSymbolInExecutable (buf); |
c79d7702 RM |
2263 | |
2264 | if (function == NULL) | |
2265 | { | |
2266 | // Search for the 'fooBar@nn' form (MinGW GCC). | |
2267 | function = _Jv_FindSymbolInExecutable (buf + 1); | |
2268 | } | |
2269 | } | |
b5bb72ec | 2270 | #endif /* WIN32 */ |
c79d7702 RM |
2271 | |
2272 | if (function == NULL) | |
2273 | { | |
2274 | buf[long_start + 1] = c; | |
2275 | #ifdef WIN32 | |
2276 | // Restore the part of the long name that was damaged by | |
2277 | // appending the '@nn'. | |
2278 | memcpy ((buf + long_start + 1 + 1), long_nm_sv, sizeof (long_nm_sv)); | |
2279 | #endif /* WIN32 */ | |
2280 | function = _Jv_FindSymbolInExecutable (buf + 1); | |
8d00f617 TT |
2281 | if (function == NULL) |
2282 | { | |
c79d7702 RM |
2283 | #ifdef WIN32 |
2284 | strcat (buf, asz_buf); | |
2285 | function = _Jv_FindSymbolInExecutable (buf); | |
2286 | if (function == NULL) | |
2287 | function = _Jv_FindSymbolInExecutable (buf + 1); | |
2288 | ||
2289 | if (function == NULL) | |
2290 | #endif /* WIN32 */ | |
2291 | { | |
b4d49f49 | 2292 | jstring str = JvNewStringUTF (name->chars ()); |
c79d7702 RM |
2293 | throw new java::lang::UnsatisfiedLinkError (str); |
2294 | } | |
8d00f617 TT |
2295 | } |
2296 | } | |
2297 | ||
2298 | return function; | |
2299 | } | |
2300 | ||
5152512c TT |
2301 | #ifdef INTERPRETER |
2302 | ||
8d00f617 TT |
2303 | // This function is the stub which is used to turn an ordinary (CNI) |
2304 | // method call into a JNI call. | |
2305 | void | |
4c42b3d8 DD |
2306 | _Jv_JNIMethod::call (ffi_cif *, void *ret, INTERP_FFI_RAW_TYPE *args, |
2307 | void *__this) | |
8d00f617 TT |
2308 | { |
2309 | _Jv_JNIMethod* _this = (_Jv_JNIMethod *) __this; | |
2310 | ||
2311 | JNIEnv *env = _Jv_GetJNIEnvNewFrame (_this->defining_class); | |
2312 | ||
ee6713e7 TT |
2313 | // FIXME: we should mark every reference parameter as a local. For |
2314 | // now we assume a conservative GC, and we assume that the | |
2315 | // references are on the stack somewhere. | |
2316 | ||
facc279f TT |
2317 | // We cache the value that we find, of course, but if we don't find |
2318 | // a value we don't cache that fact -- we might subsequently load a | |
2319 | // library which finds the function in question. | |
a4f291fc TT |
2320 | { |
2321 | // Synchronize on a convenient object to ensure sanity in case two | |
2322 | // threads reach this point for the same function at the same | |
2323 | // time. | |
2324 | JvSynchronize sync (global_ref_table); | |
2325 | if (_this->function == NULL) | |
c79d7702 RM |
2326 | { |
2327 | int args_size = sizeof (JNIEnv *) + _this->args_raw_size; | |
2328 | ||
2329 | if (_this->self->accflags & java::lang::reflect::Modifier::STATIC) | |
2330 | args_size += sizeof (_this->defining_class); | |
2331 | ||
2332 | _this->function = _Jv_LookupJNIMethod (_this->defining_class, | |
2333 | _this->self->name, | |
2334 | _this->self->signature, | |
2335 | args_size); | |
2336 | } | |
a4f291fc | 2337 | } |
facc279f | 2338 | |
4c42b3d8 DD |
2339 | JvAssert (_this->args_raw_size % sizeof (INTERP_FFI_RAW_TYPE) == 0); |
2340 | INTERP_FFI_RAW_TYPE | |
2341 | real_args[2 + _this->args_raw_size / sizeof (INTERP_FFI_RAW_TYPE)]; | |
d348bda4 TT |
2342 | int offset = 0; |
2343 | ||
2344 | // First argument is always the environment pointer. | |
8d00f617 | 2345 | real_args[offset++].ptr = env; |
d348bda4 TT |
2346 | |
2347 | // For a static method, we pass in the Class. For non-static | |
2348 | // methods, the `this' argument is already handled. | |
2349 | if ((_this->self->accflags & java::lang::reflect::Modifier::STATIC)) | |
2350 | real_args[offset++].ptr = _this->defining_class; | |
2351 | ||
415791db TT |
2352 | // In libgcj, the callee synchronizes. |
2353 | jobject sync = NULL; | |
2354 | if ((_this->self->accflags & java::lang::reflect::Modifier::SYNCHRONIZED)) | |
2355 | { | |
2356 | if ((_this->self->accflags & java::lang::reflect::Modifier::STATIC)) | |
2357 | sync = _this->defining_class; | |
2358 | else | |
2359 | sync = (jobject) args[0].ptr; | |
2360 | _Jv_MonitorEnter (sync); | |
2361 | } | |
2362 | ||
d348bda4 TT |
2363 | // Copy over passed-in arguments. |
2364 | memcpy (&real_args[offset], args, _this->args_raw_size); | |
39273131 KG |
2365 | |
2366 | // Add a frame to the composite (interpreted + JNI) call stack | |
2367 | java::lang::Thread *thread = java::lang::Thread::currentThread(); | |
2368 | _Jv_NativeFrame nat_frame (_this, thread); | |
d348bda4 | 2369 | |
facc279f | 2370 | // The actual call to the JNI function. |
ed674251 | 2371 | #if FFI_NATIVE_RAW_API |
79c2c6da | 2372 | ffi_raw_call (&_this->jni_cif, (void (*)()) _this->function, |
d348bda4 | 2373 | ret, real_args); |
ed674251 UW |
2374 | #else |
2375 | ffi_java_raw_call (&_this->jni_cif, (void (*)()) _this->function, | |
2376 | ret, real_args); | |
2377 | #endif | |
355dff4c | 2378 | |
3141ed0f TT |
2379 | // We might need to unwrap a JNI weak reference here. |
2380 | if (_this->jni_cif.rtype == &ffi_type_pointer) | |
2381 | { | |
2382 | _Jv_value *val = (_Jv_value *) ret; | |
2383 | val->object_value = unwrap (val->object_value); | |
2384 | } | |
2385 | ||
415791db TT |
2386 | if (sync != NULL) |
2387 | _Jv_MonitorExit (sync); | |
2388 | ||
8d00f617 | 2389 | _Jv_JNI_PopSystemFrame (env); |
355dff4c | 2390 | } |
355dff4c | 2391 | |
f39b788a TT |
2392 | #endif /* INTERPRETER */ |
2393 | ||
355dff4c TT |
2394 | \f |
2395 | ||
aaf0766e TT |
2396 | // |
2397 | // Invocation API. | |
2398 | // | |
2399 | ||
2400 | // An internal helper function. | |
2401 | static jint | |
880f8c16 TT |
2402 | _Jv_JNI_AttachCurrentThread (JavaVM *, jstring name, void **penv, |
2403 | void *args, jboolean is_daemon) | |
aaf0766e TT |
2404 | { |
2405 | JavaVMAttachArgs *attach = reinterpret_cast<JavaVMAttachArgs *> (args); | |
2406 | java::lang::ThreadGroup *group = NULL; | |
2407 | ||
2408 | if (attach) | |
2409 | { | |
2410 | // FIXME: do we really want to support 1.1? | |
880f8c16 TT |
2411 | if (attach->version != JNI_VERSION_1_4 |
2412 | && attach->version != JNI_VERSION_1_2 | |
aaf0766e TT |
2413 | && attach->version != JNI_VERSION_1_1) |
2414 | return JNI_EVERSION; | |
2415 | ||
39986dd5 | 2416 | JvAssert (java::lang::ThreadGroup::class$.isInstance (attach->group)); |
aaf0766e TT |
2417 | group = reinterpret_cast<java::lang::ThreadGroup *> (attach->group); |
2418 | } | |
2419 | ||
2420 | // Attaching an already-attached thread is a no-op. | |
ec5dd52b TT |
2421 | JNIEnv *env = _Jv_GetCurrentJNIEnv (); |
2422 | if (env != NULL) | |
2423 | { | |
2424 | *penv = reinterpret_cast<void *> (env); | |
2425 | return 0; | |
2426 | } | |
aaf0766e | 2427 | |
ec5dd52b | 2428 | env = (JNIEnv *) _Jv_MallocUnchecked (sizeof (JNIEnv)); |
2d759f71 TT |
2429 | if (env == NULL) |
2430 | return JNI_ERR; | |
cd6d4007 | 2431 | env->functions = &_Jv_JNIFunctions; |
aaf0766e | 2432 | env->ex = NULL; |
84973b27 | 2433 | env->bottom_locals |
aaf0766e TT |
2434 | = (_Jv_JNI_LocalFrame *) _Jv_MallocUnchecked (sizeof (_Jv_JNI_LocalFrame) |
2435 | + (FRAME_SIZE | |
2436 | * sizeof (jobject))); | |
84973b27 | 2437 | env->locals = env->bottom_locals; |
2d759f71 TT |
2438 | if (env->locals == NULL) |
2439 | { | |
2440 | _Jv_Free (env); | |
2441 | return JNI_ERR; | |
2442 | } | |
d3ae0d49 | 2443 | |
262fa8a4 | 2444 | env->locals->allocated_p = false; |
d3ae0d49 MK |
2445 | env->locals->marker = MARK_SYSTEM; |
2446 | env->locals->size = FRAME_SIZE; | |
262fa8a4 | 2447 | env->locals->loader = NULL; |
c66b9fd9 | 2448 | env->locals->next = NULL; |
d3ae0d49 MK |
2449 | |
2450 | for (int i = 0; i < env->locals->size; ++i) | |
2451 | env->locals->vec[i] = NULL; | |
2452 | ||
aaf0766e TT |
2453 | *penv = reinterpret_cast<void *> (env); |
2454 | ||
8ade4771 TT |
2455 | // This thread might already be a Java thread -- this function might |
2456 | // have been called simply to set the new JNIEnv. | |
2457 | if (_Jv_ThreadCurrent () == NULL) | |
2458 | { | |
b099f07d TT |
2459 | try |
2460 | { | |
880f8c16 TT |
2461 | if (is_daemon) |
2462 | _Jv_AttachCurrentThreadAsDaemon (name, group); | |
2463 | else | |
2464 | _Jv_AttachCurrentThread (name, group); | |
b099f07d TT |
2465 | } |
2466 | catch (jthrowable t) | |
2467 | { | |
2468 | return JNI_ERR; | |
2469 | } | |
8ade4771 | 2470 | } |
aaf0766e TT |
2471 | _Jv_SetCurrentJNIEnv (env); |
2472 | ||
2473 | return 0; | |
2474 | } | |
2475 | ||
2476 | // This is the one actually used by JNI. | |
fb5b5d97 | 2477 | jint JNICALL |
8319dc87 | 2478 | _Jv_JNI_AttachCurrentThread (JavaVM *vm, void **penv, void *args) |
aaf0766e | 2479 | { |
880f8c16 TT |
2480 | return _Jv_JNI_AttachCurrentThread (vm, NULL, penv, args, false); |
2481 | } | |
2482 | ||
8319dc87 PB |
2483 | static jint JNICALL |
2484 | _Jv_JNI_AttachCurrentThreadAsDaemon (JavaVM *vm, void **penv, | |
8e9031ec | 2485 | void *args) |
880f8c16 TT |
2486 | { |
2487 | return _Jv_JNI_AttachCurrentThread (vm, NULL, penv, args, true); | |
aaf0766e TT |
2488 | } |
2489 | ||
8319dc87 PB |
2490 | static jint JNICALL |
2491 | _Jv_JNI_DestroyJavaVM (JavaVM *vm) | |
aaf0766e | 2492 | { |
fb5b5d97 | 2493 | JvAssert (_Jv_the_vm && vm == _Jv_the_vm); |
aaf0766e | 2494 | |
1349c688 BM |
2495 | union |
2496 | { | |
2497 | JNIEnv *env; | |
2498 | void *env_p; | |
2499 | }; | |
2500 | ||
aaf0766e TT |
2501 | if (_Jv_ThreadCurrent () != NULL) |
2502 | { | |
b099f07d TT |
2503 | jstring main_name; |
2504 | // This sucks. | |
2505 | try | |
2506 | { | |
2507 | main_name = JvNewStringLatin1 ("main"); | |
2508 | } | |
2509 | catch (jthrowable t) | |
2510 | { | |
2511 | return JNI_ERR; | |
2512 | } | |
2513 | ||
1349c688 | 2514 | jint r = _Jv_JNI_AttachCurrentThread (vm, main_name, &env_p, |
880f8c16 | 2515 | NULL, false); |
aaf0766e TT |
2516 | if (r < 0) |
2517 | return r; | |
2518 | } | |
2519 | else | |
2520 | env = _Jv_GetCurrentJNIEnv (); | |
2521 | ||
2522 | _Jv_ThreadWait (); | |
2523 | ||
2524 | // Docs say that this always returns an error code. | |
2525 | return JNI_ERR; | |
2526 | } | |
2527 | ||
8319dc87 PB |
2528 | jint JNICALL |
2529 | _Jv_JNI_DetachCurrentThread (JavaVM *) | |
aaf0766e | 2530 | { |
c93d7fae PB |
2531 | jint code = _Jv_DetachCurrentThread (); |
2532 | return code ? JNI_EDETACHED : 0; | |
aaf0766e TT |
2533 | } |
2534 | ||
8319dc87 PB |
2535 | static jint JNICALL |
2536 | _Jv_JNI_GetEnv (JavaVM *, void **penv, jint version) | |
aaf0766e TT |
2537 | { |
2538 | if (_Jv_ThreadCurrent () == NULL) | |
2539 | { | |
2540 | *penv = NULL; | |
2541 | return JNI_EDETACHED; | |
2542 | } | |
2543 | ||
54c2f04b AG |
2544 | #ifdef ENABLE_JVMPI |
2545 | // Handle JVMPI requests. | |
2546 | if (version == JVMPI_VERSION_1) | |
2547 | { | |
2548 | *penv = (void *) &_Jv_JVMPI_Interface; | |
2549 | return 0; | |
2550 | } | |
2551 | #endif | |
2552 | ||
86acf60c | 2553 | #ifdef INTERPRETER |
94f473ee KS |
2554 | // Handle JVMTI requests |
2555 | if (version == JVMTI_VERSION_1_0) | |
2556 | { | |
2557 | *penv = (void *) _Jv_GetJVMTIEnv (); | |
2558 | return 0; | |
2559 | } | |
86acf60c | 2560 | #endif |
94f473ee | 2561 | |
aaf0766e | 2562 | // FIXME: do we really want to support 1.1? |
880f8c16 TT |
2563 | if (version != JNI_VERSION_1_4 && version != JNI_VERSION_1_2 |
2564 | && version != JNI_VERSION_1_1) | |
aaf0766e TT |
2565 | { |
2566 | *penv = NULL; | |
2567 | return JNI_EVERSION; | |
2568 | } | |
2569 | ||
2570 | *penv = (void *) _Jv_GetCurrentJNIEnv (); | |
2571 | return 0; | |
2572 | } | |
2573 | ||
8ade4771 TT |
2574 | JavaVM * |
2575 | _Jv_GetJavaVM () | |
aaf0766e TT |
2576 | { |
2577 | // FIXME: synchronize | |
fb5b5d97 | 2578 | if (! _Jv_the_vm) |
aaf0766e TT |
2579 | { |
2580 | JavaVM *nvm = (JavaVM *) _Jv_MallocUnchecked (sizeof (JavaVM)); | |
8ade4771 TT |
2581 | if (nvm != NULL) |
2582 | nvm->functions = &_Jv_JNI_InvokeFunctions; | |
fb5b5d97 | 2583 | _Jv_the_vm = nvm; |
aaf0766e TT |
2584 | } |
2585 | ||
8ade4771 TT |
2586 | // If this is a Java thread, we want to make sure it has an |
2587 | // associated JNIEnv. | |
2588 | if (_Jv_ThreadCurrent () != NULL) | |
2589 | { | |
2590 | void *ignore; | |
fb5b5d97 | 2591 | _Jv_JNI_AttachCurrentThread (_Jv_the_vm, &ignore, NULL); |
8ade4771 TT |
2592 | } |
2593 | ||
fb5b5d97 | 2594 | return _Jv_the_vm; |
8ade4771 TT |
2595 | } |
2596 | ||
8319dc87 PB |
2597 | static jint JNICALL |
2598 | _Jv_JNI_GetJavaVM (JNIEnv *, JavaVM **vm) | |
8ade4771 TT |
2599 | { |
2600 | *vm = _Jv_GetJavaVM (); | |
2601 | return *vm == NULL ? JNI_ERR : JNI_OK; | |
aaf0766e TT |
2602 | } |
2603 | ||
2604 | \f | |
2605 | ||
8a922095 | 2606 | #define RESERVED NULL |
ee9dd372 | 2607 | |
f06a83c0 | 2608 | struct JNINativeInterface_ _Jv_JNIFunctions = |
ee9dd372 | 2609 | { |
8a922095 TT |
2610 | RESERVED, |
2611 | RESERVED, | |
2612 | RESERVED, | |
2613 | RESERVED, | |
65422ec5 TT |
2614 | _Jv_JNI_GetVersion, // GetVersion |
2615 | _Jv_JNI_DefineClass, // DefineClass | |
2616 | _Jv_JNI_FindClass, // FindClass | |
2617 | _Jv_JNI_FromReflectedMethod, // FromReflectedMethod | |
2618 | _Jv_JNI_FromReflectedField, // FromReflectedField | |
2619 | _Jv_JNI_ToReflectedMethod, // ToReflectedMethod | |
2620 | _Jv_JNI_GetSuperclass, // GetSuperclass | |
2621 | _Jv_JNI_IsAssignableFrom, // IsAssignableFrom | |
2622 | _Jv_JNI_ToReflectedField, // ToReflectedField | |
2623 | _Jv_JNI_Throw, // Throw | |
2624 | _Jv_JNI_ThrowNew, // ThrowNew | |
2625 | _Jv_JNI_ExceptionOccurred, // ExceptionOccurred | |
2626 | _Jv_JNI_ExceptionDescribe, // ExceptionDescribe | |
2627 | _Jv_JNI_ExceptionClear, // ExceptionClear | |
2628 | _Jv_JNI_FatalError, // FatalError | |
2629 | ||
2630 | _Jv_JNI_PushLocalFrame, // PushLocalFrame | |
2631 | _Jv_JNI_PopLocalFrame, // PopLocalFrame | |
2632 | _Jv_JNI_NewGlobalRef, // NewGlobalRef | |
2633 | _Jv_JNI_DeleteGlobalRef, // DeleteGlobalRef | |
2634 | _Jv_JNI_DeleteLocalRef, // DeleteLocalRef | |
2635 | ||
2636 | _Jv_JNI_IsSameObject, // IsSameObject | |
2637 | ||
2638 | _Jv_JNI_NewLocalRef, // NewLocalRef | |
2639 | _Jv_JNI_EnsureLocalCapacity, // EnsureLocalCapacity | |
2640 | ||
2641 | _Jv_JNI_AllocObject, // AllocObject | |
2642 | _Jv_JNI_NewObject, // NewObject | |
2643 | _Jv_JNI_NewObjectV, // NewObjectV | |
2644 | _Jv_JNI_NewObjectA, // NewObjectA | |
2645 | _Jv_JNI_GetObjectClass, // GetObjectClass | |
2646 | _Jv_JNI_IsInstanceOf, // IsInstanceOf | |
2647 | _Jv_JNI_GetAnyMethodID<false>, // GetMethodID | |
2648 | ||
2649 | _Jv_JNI_CallMethod<jobject>, // CallObjectMethod | |
2650 | _Jv_JNI_CallMethodV<jobject>, // CallObjectMethodV | |
2651 | _Jv_JNI_CallMethodA<jobject>, // CallObjectMethodA | |
2652 | _Jv_JNI_CallMethod<jboolean>, // CallBooleanMethod | |
2653 | _Jv_JNI_CallMethodV<jboolean>, // CallBooleanMethodV | |
2654 | _Jv_JNI_CallMethodA<jboolean>, // CallBooleanMethodA | |
2655 | _Jv_JNI_CallMethod<jbyte>, // CallByteMethod | |
2656 | _Jv_JNI_CallMethodV<jbyte>, // CallByteMethodV | |
2657 | _Jv_JNI_CallMethodA<jbyte>, // CallByteMethodA | |
2658 | _Jv_JNI_CallMethod<jchar>, // CallCharMethod | |
2659 | _Jv_JNI_CallMethodV<jchar>, // CallCharMethodV | |
2660 | _Jv_JNI_CallMethodA<jchar>, // CallCharMethodA | |
2661 | _Jv_JNI_CallMethod<jshort>, // CallShortMethod | |
2662 | _Jv_JNI_CallMethodV<jshort>, // CallShortMethodV | |
2663 | _Jv_JNI_CallMethodA<jshort>, // CallShortMethodA | |
2664 | _Jv_JNI_CallMethod<jint>, // CallIntMethod | |
2665 | _Jv_JNI_CallMethodV<jint>, // CallIntMethodV | |
2666 | _Jv_JNI_CallMethodA<jint>, // CallIntMethodA | |
2667 | _Jv_JNI_CallMethod<jlong>, // CallLongMethod | |
2668 | _Jv_JNI_CallMethodV<jlong>, // CallLongMethodV | |
2669 | _Jv_JNI_CallMethodA<jlong>, // CallLongMethodA | |
2670 | _Jv_JNI_CallMethod<jfloat>, // CallFloatMethod | |
2671 | _Jv_JNI_CallMethodV<jfloat>, // CallFloatMethodV | |
2672 | _Jv_JNI_CallMethodA<jfloat>, // CallFloatMethodA | |
2673 | _Jv_JNI_CallMethod<jdouble>, // CallDoubleMethod | |
2674 | _Jv_JNI_CallMethodV<jdouble>, // CallDoubleMethodV | |
2675 | _Jv_JNI_CallMethodA<jdouble>, // CallDoubleMethodA | |
2676 | _Jv_JNI_CallVoidMethod, // CallVoidMethod | |
2677 | _Jv_JNI_CallVoidMethodV, // CallVoidMethodV | |
2678 | _Jv_JNI_CallVoidMethodA, // CallVoidMethodA | |
8a922095 TT |
2679 | |
2680 | // Nonvirtual method invocation functions follow. | |
65422ec5 TT |
2681 | _Jv_JNI_CallAnyMethod<jobject, nonvirtual>, // CallNonvirtualObjectMethod |
2682 | _Jv_JNI_CallAnyMethodV<jobject, nonvirtual>, // CallNonvirtualObjectMethodV | |
2683 | _Jv_JNI_CallAnyMethodA<jobject, nonvirtual>, // CallNonvirtualObjectMethodA | |
2684 | _Jv_JNI_CallAnyMethod<jboolean, nonvirtual>, // CallNonvirtualBooleanMethod | |
2685 | _Jv_JNI_CallAnyMethodV<jboolean, nonvirtual>, // CallNonvirtualBooleanMethodV | |
2686 | _Jv_JNI_CallAnyMethodA<jboolean, nonvirtual>, // CallNonvirtualBooleanMethodA | |
2687 | _Jv_JNI_CallAnyMethod<jbyte, nonvirtual>, // CallNonvirtualByteMethod | |
2688 | _Jv_JNI_CallAnyMethodV<jbyte, nonvirtual>, // CallNonvirtualByteMethodV | |
2689 | _Jv_JNI_CallAnyMethodA<jbyte, nonvirtual>, // CallNonvirtualByteMethodA | |
2690 | _Jv_JNI_CallAnyMethod<jchar, nonvirtual>, // CallNonvirtualCharMethod | |
2691 | _Jv_JNI_CallAnyMethodV<jchar, nonvirtual>, // CallNonvirtualCharMethodV | |
2692 | _Jv_JNI_CallAnyMethodA<jchar, nonvirtual>, // CallNonvirtualCharMethodA | |
2693 | _Jv_JNI_CallAnyMethod<jshort, nonvirtual>, // CallNonvirtualShortMethod | |
2694 | _Jv_JNI_CallAnyMethodV<jshort, nonvirtual>, // CallNonvirtualShortMethodV | |
2695 | _Jv_JNI_CallAnyMethodA<jshort, nonvirtual>, // CallNonvirtualShortMethodA | |
2696 | _Jv_JNI_CallAnyMethod<jint, nonvirtual>, // CallNonvirtualIntMethod | |
2697 | _Jv_JNI_CallAnyMethodV<jint, nonvirtual>, // CallNonvirtualIntMethodV | |
2698 | _Jv_JNI_CallAnyMethodA<jint, nonvirtual>, // CallNonvirtualIntMethodA | |
2699 | _Jv_JNI_CallAnyMethod<jlong, nonvirtual>, // CallNonvirtualLongMethod | |
2700 | _Jv_JNI_CallAnyMethodV<jlong, nonvirtual>, // CallNonvirtualLongMethodV | |
2701 | _Jv_JNI_CallAnyMethodA<jlong, nonvirtual>, // CallNonvirtualLongMethodA | |
2702 | _Jv_JNI_CallAnyMethod<jfloat, nonvirtual>, // CallNonvirtualFloatMethod | |
2703 | _Jv_JNI_CallAnyMethodV<jfloat, nonvirtual>, // CallNonvirtualFloatMethodV | |
2704 | _Jv_JNI_CallAnyMethodA<jfloat, nonvirtual>, // CallNonvirtualFloatMethodA | |
2705 | _Jv_JNI_CallAnyMethod<jdouble, nonvirtual>, // CallNonvirtualDoubleMethod | |
2706 | _Jv_JNI_CallAnyMethodV<jdouble, nonvirtual>, // CallNonvirtualDoubleMethodV | |
2707 | _Jv_JNI_CallAnyMethodA<jdouble, nonvirtual>, // CallNonvirtualDoubleMethodA | |
2708 | _Jv_JNI_CallAnyVoidMethod<nonvirtual>, // CallNonvirtualVoidMethod | |
2709 | _Jv_JNI_CallAnyVoidMethodV<nonvirtual>, // CallNonvirtualVoidMethodV | |
2710 | _Jv_JNI_CallAnyVoidMethodA<nonvirtual>, // CallNonvirtualVoidMethodA | |
2711 | ||
2712 | _Jv_JNI_GetAnyFieldID<false>, // GetFieldID | |
2713 | _Jv_JNI_GetField<jobject>, // GetObjectField | |
2714 | _Jv_JNI_GetField<jboolean>, // GetBooleanField | |
2715 | _Jv_JNI_GetField<jbyte>, // GetByteField | |
2716 | _Jv_JNI_GetField<jchar>, // GetCharField | |
2717 | _Jv_JNI_GetField<jshort>, // GetShortField | |
2718 | _Jv_JNI_GetField<jint>, // GetIntField | |
2719 | _Jv_JNI_GetField<jlong>, // GetLongField | |
2720 | _Jv_JNI_GetField<jfloat>, // GetFloatField | |
2721 | _Jv_JNI_GetField<jdouble>, // GetDoubleField | |
2722 | _Jv_JNI_SetField, // SetObjectField | |
2723 | _Jv_JNI_SetField, // SetBooleanField | |
2724 | _Jv_JNI_SetField, // SetByteField | |
2725 | _Jv_JNI_SetField, // SetCharField | |
2726 | _Jv_JNI_SetField, // SetShortField | |
2727 | _Jv_JNI_SetField, // SetIntField | |
2728 | _Jv_JNI_SetField, // SetLongField | |
2729 | _Jv_JNI_SetField, // SetFloatField | |
2730 | _Jv_JNI_SetField, // SetDoubleField | |
2731 | _Jv_JNI_GetAnyMethodID<true>, // GetStaticMethodID | |
2732 | ||
2733 | _Jv_JNI_CallStaticMethod<jobject>, // CallStaticObjectMethod | |
2734 | _Jv_JNI_CallStaticMethodV<jobject>, // CallStaticObjectMethodV | |
2735 | _Jv_JNI_CallStaticMethodA<jobject>, // CallStaticObjectMethodA | |
2736 | _Jv_JNI_CallStaticMethod<jboolean>, // CallStaticBooleanMethod | |
2737 | _Jv_JNI_CallStaticMethodV<jboolean>, // CallStaticBooleanMethodV | |
2738 | _Jv_JNI_CallStaticMethodA<jboolean>, // CallStaticBooleanMethodA | |
2739 | _Jv_JNI_CallStaticMethod<jbyte>, // CallStaticByteMethod | |
2740 | _Jv_JNI_CallStaticMethodV<jbyte>, // CallStaticByteMethodV | |
2741 | _Jv_JNI_CallStaticMethodA<jbyte>, // CallStaticByteMethodA | |
2742 | _Jv_JNI_CallStaticMethod<jchar>, // CallStaticCharMethod | |
2743 | _Jv_JNI_CallStaticMethodV<jchar>, // CallStaticCharMethodV | |
2744 | _Jv_JNI_CallStaticMethodA<jchar>, // CallStaticCharMethodA | |
2745 | _Jv_JNI_CallStaticMethod<jshort>, // CallStaticShortMethod | |
2746 | _Jv_JNI_CallStaticMethodV<jshort>, // CallStaticShortMethodV | |
2747 | _Jv_JNI_CallStaticMethodA<jshort>, // CallStaticShortMethodA | |
2748 | _Jv_JNI_CallStaticMethod<jint>, // CallStaticIntMethod | |
2749 | _Jv_JNI_CallStaticMethodV<jint>, // CallStaticIntMethodV | |
2750 | _Jv_JNI_CallStaticMethodA<jint>, // CallStaticIntMethodA | |
2751 | _Jv_JNI_CallStaticMethod<jlong>, // CallStaticLongMethod | |
2752 | _Jv_JNI_CallStaticMethodV<jlong>, // CallStaticLongMethodV | |
2753 | _Jv_JNI_CallStaticMethodA<jlong>, // CallStaticLongMethodA | |
2754 | _Jv_JNI_CallStaticMethod<jfloat>, // CallStaticFloatMethod | |
2755 | _Jv_JNI_CallStaticMethodV<jfloat>, // CallStaticFloatMethodV | |
2756 | _Jv_JNI_CallStaticMethodA<jfloat>, // CallStaticFloatMethodA | |
2757 | _Jv_JNI_CallStaticMethod<jdouble>, // CallStaticDoubleMethod | |
2758 | _Jv_JNI_CallStaticMethodV<jdouble>, // CallStaticDoubleMethodV | |
2759 | _Jv_JNI_CallStaticMethodA<jdouble>, // CallStaticDoubleMethodA | |
2760 | _Jv_JNI_CallStaticVoidMethod, // CallStaticVoidMethod | |
2761 | _Jv_JNI_CallStaticVoidMethodV, // CallStaticVoidMethodV | |
2762 | _Jv_JNI_CallStaticVoidMethodA, // CallStaticVoidMethodA | |
2763 | ||
2764 | _Jv_JNI_GetAnyFieldID<true>, // GetStaticFieldID | |
2765 | _Jv_JNI_GetStaticField<jobject>, // GetStaticObjectField | |
2766 | _Jv_JNI_GetStaticField<jboolean>, // GetStaticBooleanField | |
2767 | _Jv_JNI_GetStaticField<jbyte>, // GetStaticByteField | |
2768 | _Jv_JNI_GetStaticField<jchar>, // GetStaticCharField | |
2769 | _Jv_JNI_GetStaticField<jshort>, // GetStaticShortField | |
2770 | _Jv_JNI_GetStaticField<jint>, // GetStaticIntField | |
2771 | _Jv_JNI_GetStaticField<jlong>, // GetStaticLongField | |
2772 | _Jv_JNI_GetStaticField<jfloat>, // GetStaticFloatField | |
2773 | _Jv_JNI_GetStaticField<jdouble>, // GetStaticDoubleField | |
2774 | _Jv_JNI_SetStaticField, // SetStaticObjectField | |
2775 | _Jv_JNI_SetStaticField, // SetStaticBooleanField | |
2776 | _Jv_JNI_SetStaticField, // SetStaticByteField | |
2777 | _Jv_JNI_SetStaticField, // SetStaticCharField | |
2778 | _Jv_JNI_SetStaticField, // SetStaticShortField | |
2779 | _Jv_JNI_SetStaticField, // SetStaticIntField | |
2780 | _Jv_JNI_SetStaticField, // SetStaticLongField | |
2781 | _Jv_JNI_SetStaticField, // SetStaticFloatField | |
2782 | _Jv_JNI_SetStaticField, // SetStaticDoubleField | |
2783 | _Jv_JNI_NewString, // NewString | |
2784 | _Jv_JNI_GetStringLength, // GetStringLength | |
2785 | _Jv_JNI_GetStringChars, // GetStringChars | |
2786 | _Jv_JNI_ReleaseStringChars, // ReleaseStringChars | |
2787 | _Jv_JNI_NewStringUTF, // NewStringUTF | |
2788 | _Jv_JNI_GetStringUTFLength, // GetStringUTFLength | |
370b2564 | 2789 | _Jv_JNI_GetStringUTFChars, // GetStringUTFChars |
65422ec5 TT |
2790 | _Jv_JNI_ReleaseStringUTFChars, // ReleaseStringUTFChars |
2791 | _Jv_JNI_GetArrayLength, // GetArrayLength | |
2792 | _Jv_JNI_NewObjectArray, // NewObjectArray | |
2793 | _Jv_JNI_GetObjectArrayElement, // GetObjectArrayElement | |
2794 | _Jv_JNI_SetObjectArrayElement, // SetObjectArrayElement | |
8a922095 | 2795 | _Jv_JNI_NewPrimitiveArray<jboolean, JvPrimClass (boolean)>, |
65422ec5 TT |
2796 | // NewBooleanArray |
2797 | _Jv_JNI_NewPrimitiveArray<jbyte, JvPrimClass (byte)>, // NewByteArray | |
2798 | _Jv_JNI_NewPrimitiveArray<jchar, JvPrimClass (char)>, // NewCharArray | |
2799 | _Jv_JNI_NewPrimitiveArray<jshort, JvPrimClass (short)>, // NewShortArray | |
2800 | _Jv_JNI_NewPrimitiveArray<jint, JvPrimClass (int)>, // NewIntArray | |
2801 | _Jv_JNI_NewPrimitiveArray<jlong, JvPrimClass (long)>, // NewLongArray | |
2802 | _Jv_JNI_NewPrimitiveArray<jfloat, JvPrimClass (float)>, // NewFloatArray | |
2803 | _Jv_JNI_NewPrimitiveArray<jdouble, JvPrimClass (double)>, // NewDoubleArray | |
e976ed37 AH |
2804 | _Jv_JNI_GetPrimitiveArrayElements<jboolean, JvPrimClass (boolean)>, |
2805 | // GetBooleanArrayElements | |
2806 | _Jv_JNI_GetPrimitiveArrayElements<jbyte, JvPrimClass (byte)>, | |
2807 | // GetByteArrayElements | |
2808 | _Jv_JNI_GetPrimitiveArrayElements<jchar, JvPrimClass (char)>, | |
2809 | // GetCharArrayElements | |
2810 | _Jv_JNI_GetPrimitiveArrayElements<jshort, JvPrimClass (short)>, | |
2811 | // GetShortArrayElements | |
2812 | _Jv_JNI_GetPrimitiveArrayElements<jint, JvPrimClass (int)>, | |
2813 | // GetIntArrayElements | |
2814 | _Jv_JNI_GetPrimitiveArrayElements<jlong, JvPrimClass (long)>, | |
2815 | // GetLongArrayElements | |
2816 | _Jv_JNI_GetPrimitiveArrayElements<jfloat, JvPrimClass (float)>, | |
2817 | // GetFloatArrayElements | |
2818 | _Jv_JNI_GetPrimitiveArrayElements<jdouble, JvPrimClass (double)>, | |
2819 | // GetDoubleArrayElements | |
2820 | _Jv_JNI_ReleasePrimitiveArrayElements<jboolean, JvPrimClass (boolean)>, | |
2821 | // ReleaseBooleanArrayElements | |
2822 | _Jv_JNI_ReleasePrimitiveArrayElements<jbyte, JvPrimClass (byte)>, | |
2823 | // ReleaseByteArrayElements | |
2824 | _Jv_JNI_ReleasePrimitiveArrayElements<jchar, JvPrimClass (char)>, | |
2825 | // ReleaseCharArrayElements | |
2826 | _Jv_JNI_ReleasePrimitiveArrayElements<jshort, JvPrimClass (short)>, | |
2827 | // ReleaseShortArrayElements | |
2828 | _Jv_JNI_ReleasePrimitiveArrayElements<jint, JvPrimClass (int)>, | |
2829 | // ReleaseIntArrayElements | |
2830 | _Jv_JNI_ReleasePrimitiveArrayElements<jlong, JvPrimClass (long)>, | |
2831 | // ReleaseLongArrayElements | |
2832 | _Jv_JNI_ReleasePrimitiveArrayElements<jfloat, JvPrimClass (float)>, | |
2833 | // ReleaseFloatArrayElements | |
2834 | _Jv_JNI_ReleasePrimitiveArrayElements<jdouble, JvPrimClass (double)>, | |
2835 | // ReleaseDoubleArrayElements | |
2836 | _Jv_JNI_GetPrimitiveArrayRegion<jboolean, JvPrimClass (boolean)>, | |
2837 | // GetBooleanArrayRegion | |
2838 | _Jv_JNI_GetPrimitiveArrayRegion<jbyte, JvPrimClass (byte)>, | |
2839 | // GetByteArrayRegion | |
2840 | _Jv_JNI_GetPrimitiveArrayRegion<jchar, JvPrimClass (char)>, | |
2841 | // GetCharArrayRegion | |
2842 | _Jv_JNI_GetPrimitiveArrayRegion<jshort, JvPrimClass (short)>, | |
2843 | // GetShortArrayRegion | |
2844 | _Jv_JNI_GetPrimitiveArrayRegion<jint, JvPrimClass (int)>, | |
2845 | // GetIntArrayRegion | |
2846 | _Jv_JNI_GetPrimitiveArrayRegion<jlong, JvPrimClass (long)>, | |
2847 | // GetLongArrayRegion | |
2848 | _Jv_JNI_GetPrimitiveArrayRegion<jfloat, JvPrimClass (float)>, | |
2849 | // GetFloatArrayRegion | |
2850 | _Jv_JNI_GetPrimitiveArrayRegion<jdouble, JvPrimClass (double)>, | |
2851 | // GetDoubleArrayRegion | |
2852 | _Jv_JNI_SetPrimitiveArrayRegion<jboolean, JvPrimClass (boolean)>, | |
2853 | // SetBooleanArrayRegion | |
2854 | _Jv_JNI_SetPrimitiveArrayRegion<jbyte, JvPrimClass (byte)>, | |
2855 | // SetByteArrayRegion | |
2856 | _Jv_JNI_SetPrimitiveArrayRegion<jchar, JvPrimClass (char)>, | |
2857 | // SetCharArrayRegion | |
2858 | _Jv_JNI_SetPrimitiveArrayRegion<jshort, JvPrimClass (short)>, | |
2859 | // SetShortArrayRegion | |
2860 | _Jv_JNI_SetPrimitiveArrayRegion<jint, JvPrimClass (int)>, | |
2861 | // SetIntArrayRegion | |
2862 | _Jv_JNI_SetPrimitiveArrayRegion<jlong, JvPrimClass (long)>, | |
2863 | // SetLongArrayRegion | |
2864 | _Jv_JNI_SetPrimitiveArrayRegion<jfloat, JvPrimClass (float)>, | |
2865 | // SetFloatArrayRegion | |
2866 | _Jv_JNI_SetPrimitiveArrayRegion<jdouble, JvPrimClass (double)>, | |
2867 | // SetDoubleArrayRegion | |
65422ec5 TT |
2868 | _Jv_JNI_RegisterNatives, // RegisterNatives |
2869 | _Jv_JNI_UnregisterNatives, // UnregisterNatives | |
2870 | _Jv_JNI_MonitorEnter, // MonitorEnter | |
2871 | _Jv_JNI_MonitorExit, // MonitorExit | |
2872 | _Jv_JNI_GetJavaVM, // GetJavaVM | |
2873 | ||
2874 | _Jv_JNI_GetStringRegion, // GetStringRegion | |
2875 | _Jv_JNI_GetStringUTFRegion, // GetStringUTFRegion | |
2876 | _Jv_JNI_GetPrimitiveArrayCritical, // GetPrimitiveArrayCritical | |
2877 | _Jv_JNI_ReleasePrimitiveArrayCritical, // ReleasePrimitiveArrayCritical | |
2878 | _Jv_JNI_GetStringCritical, // GetStringCritical | |
2879 | _Jv_JNI_ReleaseStringCritical, // ReleaseStringCritical | |
355dff4c | 2880 | |
819138ac TT |
2881 | _Jv_JNI_NewWeakGlobalRef, // NewWeakGlobalRef |
2882 | _Jv_JNI_DeleteWeakGlobalRef, // DeleteWeakGlobalRef | |
355dff4c | 2883 | |
880f8c16 TT |
2884 | _Jv_JNI_ExceptionCheck, // ExceptionCheck |
2885 | ||
2886 | _Jv_JNI_NewDirectByteBuffer, // NewDirectByteBuffer | |
2887 | _Jv_JNI_GetDirectBufferAddress, // GetDirectBufferAddress | |
e0441a5b MK |
2888 | _Jv_JNI_GetDirectBufferCapacity, // GetDirectBufferCapacity |
2889 | ||
2890 | _Jv_JNI_GetObjectRefType // GetObjectRefType | |
ee9dd372 | 2891 | }; |
aaf0766e | 2892 | |
f06a83c0 | 2893 | struct JNIInvokeInterface_ _Jv_JNI_InvokeFunctions = |
aaf0766e TT |
2894 | { |
2895 | RESERVED, | |
2896 | RESERVED, | |
2897 | RESERVED, | |
2898 | ||
2899 | _Jv_JNI_DestroyJavaVM, | |
2900 | _Jv_JNI_AttachCurrentThread, | |
2901 | _Jv_JNI_DetachCurrentThread, | |
880f8c16 TT |
2902 | _Jv_JNI_GetEnv, |
2903 | _Jv_JNI_AttachCurrentThreadAsDaemon | |
aaf0766e | 2904 | }; |