1 /*
2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/systemDictionary.hpp"
27 #include "classfile/vmSymbols.hpp"
28 #include "oops/instanceKlass.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "oops/symbol.hpp"
31 #include "prims/jni.h"
32 #include "prims/jniCheck.hpp"
33 #include "prims/jvm_misc.hpp"
34 #include "runtime/fieldDescriptor.hpp"
35 #include "runtime/handles.hpp"
36 #include "runtime/interfaceSupport.hpp"
37 #include "runtime/jfieldIDWorkaround.hpp"
38 #include "runtime/thread.hpp"
39 #ifdef TARGET_ARCH_x86
40 # include "jniTypes_x86.hpp"
41 #endif
42 #ifdef TARGET_ARCH_sparc
43 # include "jniTypes_sparc.hpp"
44 #endif
45 #ifdef TARGET_ARCH_zero
46 # include "jniTypes_zero.hpp"
47 #endif
48 #ifdef TARGET_ARCH_arm
49 # include "jniTypes_arm.hpp"
50 #endif
51 #ifdef TARGET_ARCH_ppc
52 # include "jniTypes_ppc.hpp"
53 #endif
54
55
56 // Heap objects are allowed to be directly referenced only in VM code,
57 // not in native code.
58
59 #define ASSERT_OOPS_ALLOWED \
60 assert(JavaThread::current()->thread_state() == _thread_in_vm, \
61 "jniCheck examining oops in bad state.")
62
63
64 // Execute the given block of source code with the thread in VM state.
65 // To do this, transition from the NATIVE state to the VM state, execute
66 // the code, and transtition back. The ThreadInVMfromNative constructor
67 // performs the transition to VM state, its destructor restores the
68 // NATIVE state.
69
70 #define IN_VM(source_code) { \
71 { \
72 ThreadInVMfromNative __tiv(thr); \
73 source_code \
74 } \
75 }
76
77
78 /*
79 * DECLARATIONS
80 */
81
82 static struct JNINativeInterface_ * unchecked_jni_NativeInterface;
83
84
85 /*
86 * MACRO DEFINITIONS
87 */
88
89 // All JNI checked functions here use JNI_ENTRY_CHECKED() instead of the
90 // QUICK_ENTRY or LEAF variants found in jni.cpp. This allows handles
91 // to be created if a fatal error should occur.
92
93 // Check for thread not attached to VM; need to catch this before
94 // assertions in the wrapper routines might fire
95
96 // Check for env being the one value appropriate for this thread.
97
98 #define JNI_ENTRY_CHECKED(result_type, header) \
99 extern "C" { \
100 result_type JNICALL header { \
101 JavaThread* thr = (JavaThread*)ThreadLocalStorage::get_thread_slow();\
102 if (thr == NULL || !thr->is_Java_thread()) { \
103 tty->print_cr(fatal_using_jnienv_in_nonjava); \
104 os::abort(true); \
105 } \
106 JNIEnv* xenv = thr->jni_environment(); \
107 if (env != xenv) { \
108 NativeReportJNIFatalError(thr, warn_wrong_jnienv); \
109 } \
110 VM_ENTRY_BASE(result_type, header, thr)
111
112
113 #define UNCHECKED() (unchecked_jni_NativeInterface)
114
115 static const char * warn_wrong_jnienv = "Using JNIEnv in the wrong thread";
116 static const char * warn_bad_class_descriptor = "JNI FindClass received a bad class descriptor \"%s\". A correct class descriptor " \
117 "has no leading \"L\" or trailing \";\". Incorrect descriptors will not be accepted in future releases.";
118 static const char * fatal_using_jnienv_in_nonjava = "FATAL ERROR in native method: Using JNIEnv in non-Java thread";
119 static const char * warn_other_function_in_critical = "Warning: Calling other JNI functions in the scope of " \
120 "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical";
121 static const char * fatal_bad_ref_to_jni = "Bad global or local ref passed to JNI";
122 static const char * fatal_received_null_class = "JNI received a null class";
123 static const char * fatal_class_not_a_class = "JNI received a class argument that is not a class";
124 static const char * fatal_class_not_a_throwable_class = "JNI Throw or ThrowNew received a class argument that is not a Throwable or Throwable subclass";
125 static const char * fatal_wrong_class_or_method = "Wrong object class or methodID passed to JNI call";
126 static const char * fatal_non_weak_method = "non-weak methodID passed to JNI call";
127 static const char * fatal_unknown_array_object = "Unknown array object passed to JNI array operations";
128 static const char * fatal_object_array_expected = "Object array expected but not received for JNI array operation";
129 static const char * fatal_prim_type_array_expected = "Primitive type array expected but not received for JNI array operation";
130 static const char * fatal_non_array = "Non-array passed to JNI array operations";
131 static const char * fatal_element_type_mismatch = "Array element type mismatch in JNI";
132 static const char * fatal_should_be_static = "Non-static field ID passed to JNI";
133 static const char * fatal_wrong_static_field = "Wrong static field ID passed to JNI";
134 static const char * fatal_static_field_not_found = "Static field not found in JNI get/set field operations";
135 static const char * fatal_static_field_mismatch = "Field type (static) mismatch in JNI get/set field operations";
136 static const char * fatal_should_be_nonstatic = "Static field ID passed to JNI";
137 static const char * fatal_null_object = "Null object passed to JNI";
138 static const char * fatal_wrong_field = "Wrong field ID passed to JNI";
139 static const char * fatal_instance_field_not_found = "Instance field not found in JNI get/set field operations";
140 static const char * fatal_instance_field_mismatch = "Field type (instance) mismatch in JNI get/set field operations";
141 static const char * fatal_non_string = "JNI string operation received a non-string";
142
143
144 // When in VM state:
145 static void ReportJNIWarning(JavaThread* thr, const char *msg) {
146 tty->print_cr("WARNING in native method: %s", msg);
147 thr->print_stack();
148 }
149
150 // When in NATIVE state:
151 static void NativeReportJNIFatalError(JavaThread* thr, const char *msg) {
152 IN_VM(
153 ReportJNIFatalError(thr, msg);
154 )
155 }
156
157 static void NativeReportJNIWarning(JavaThread* thr, const char *msg) {
158 IN_VM(
159 ReportJNIWarning(thr, msg);
160 )
161 }
162
163
164
165
166 /*
167 * SUPPORT FUNCTIONS
168 */
169
170 static inline void
171 functionEnterCritical(JavaThread* thr)
172 {
173 if (thr->has_pending_exception()) {
174 NativeReportJNIWarning(thr, "JNI call made with exception pending");
175 }
176 }
177
178 static inline void
179 functionEnterCriticalExceptionAllowed(JavaThread* thr)
180 {
181 }
182
183 static inline void
184 functionEnter(JavaThread* thr)
185 {
186 if (thr->in_critical()) {
187 tty->print_cr(warn_other_function_in_critical);
188 }
189 if (thr->has_pending_exception()) {
190 NativeReportJNIWarning(thr, "JNI call made with exception pending");
191 }
192 }
193
194 static inline void
195 functionEnterExceptionAllowed(JavaThread* thr)
196 {
197 if (thr->in_critical()) {
198 tty->print_cr(warn_other_function_in_critical);
199 }
200 }
201
202 static inline void
203 functionExit(JNIEnv *env)
204 {
205 /* nothing to do at this time */
206 }
207
208 static inline void
209 checkStaticFieldID(JavaThread* thr, jfieldID fid, jclass cls, int ftype)
210 {
211 fieldDescriptor fd;
212
213 /* make sure it is a static field */
214 if (!jfieldIDWorkaround::is_static_jfieldID(fid))
215 ReportJNIFatalError(thr, fatal_should_be_static);
216
217 /* validate the class being passed */
218 ASSERT_OOPS_ALLOWED;
219 Klass* k_oop = jniCheck::validate_class(thr, cls, false);
220
221 /* check for proper subclass hierarchy */
222 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fid);
223 Klass* f_oop = id->holder();
224 if (!InstanceKlass::cast(k_oop)->is_subtype_of(f_oop))
225 ReportJNIFatalError(thr, fatal_wrong_static_field);
226
227 /* check for proper field type */
228 if (!id->find_local_field(&fd))
229 ReportJNIFatalError(thr, fatal_static_field_not_found);
230 if ((fd.field_type() != ftype) &&
231 !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {
232 ReportJNIFatalError(thr, fatal_static_field_mismatch);
233 }
234 }
235
236 static inline void
237 checkInstanceFieldID(JavaThread* thr, jfieldID fid, jobject obj, int ftype)
238 {
239 fieldDescriptor fd;
240
241 /* make sure it is an instance field */
242 if (jfieldIDWorkaround::is_static_jfieldID(fid))
243 ReportJNIFatalError(thr, fatal_should_be_nonstatic);
244
245 /* validate the object being passed and then get its class */
246 ASSERT_OOPS_ALLOWED;
247 oop oopObj = jniCheck::validate_object(thr, obj);
248 if (!oopObj) {
249 ReportJNIFatalError(thr, fatal_null_object);
250 }
251 Klass* k_oop = oopObj->klass();
252
253 if (!jfieldIDWorkaround::is_valid_jfieldID(k_oop, fid)) {
254 ReportJNIFatalError(thr, fatal_wrong_field);
255 }
256
257 /* make sure the field exists */
258 int offset = jfieldIDWorkaround::from_instance_jfieldID(k_oop, fid);
259 if (!InstanceKlass::cast(k_oop)->contains_field_offset(offset))
260 ReportJNIFatalError(thr, fatal_wrong_field);
261
262 /* check for proper field type */
263 if (!InstanceKlass::cast(k_oop)->find_field_from_offset(offset,
264 false, &fd))
265 ReportJNIFatalError(thr, fatal_instance_field_not_found);
266
267 if ((fd.field_type() != ftype) &&
268 !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {
269 ReportJNIFatalError(thr, fatal_instance_field_mismatch);
270 }
271 }
272
273 static inline void
274 checkString(JavaThread* thr, jstring js)
275 {
276 ASSERT_OOPS_ALLOWED;
277 oop s = jniCheck::validate_object(thr, js);
278 if (!s || !java_lang_String::is_instance(s))
279 ReportJNIFatalError(thr, fatal_non_string);
280 }
281
282 static inline arrayOop
283 check_is_array(JavaThread* thr, jarray jArray)
284 {
285 ASSERT_OOPS_ALLOWED;
286 arrayOop aOop;
287
288 aOop = (arrayOop)jniCheck::validate_object(thr, jArray);
289 if (aOop == NULL || !aOop->is_array()) {
290 ReportJNIFatalError(thr, fatal_non_array);
291 }
292 return aOop;
293 }
294
295 static inline arrayOop
296 check_is_primitive_array(JavaThread* thr, jarray jArray) {
297 arrayOop aOop = check_is_array(thr, jArray);
298
299 if (!aOop->is_typeArray()) {
300 ReportJNIFatalError(thr, fatal_prim_type_array_expected);
301 }
302 return aOop;
303 }
304
305 static inline void
306 check_primitive_array_type(JavaThread* thr, jarray jArray, BasicType elementType)
307 {
308 BasicType array_type;
309 arrayOop aOop;
310
311 aOop = check_is_primitive_array(thr, jArray);
312 array_type = TypeArrayKlass::cast(aOop->klass())->element_type();
313 if (array_type != elementType) {
314 ReportJNIFatalError(thr, fatal_element_type_mismatch);
315 }
316 }
317
318 static inline void
319 check_is_obj_array(JavaThread* thr, jarray jArray) {
320 arrayOop aOop = check_is_array(thr, jArray);
321 if (!aOop->is_objArray()) {
322 ReportJNIFatalError(thr, fatal_object_array_expected);
323 }
324 }
325
326 oop jniCheck::validate_handle(JavaThread* thr, jobject obj) {
327 if (JNIHandles::is_frame_handle(thr, obj) ||
328 JNIHandles::is_local_handle(thr, obj) ||
329 JNIHandles::is_global_handle(obj) ||
330 JNIHandles::is_weak_global_handle(obj)) {
331 ASSERT_OOPS_ALLOWED;
332 return JNIHandles::resolve_external_guard(obj);
333 }
334 ReportJNIFatalError(thr, fatal_bad_ref_to_jni);
335 return NULL;
336 }
337
338
339 Method* jniCheck::validate_jmethod_id(JavaThread* thr, jmethodID method_id) {
340 ASSERT_OOPS_ALLOWED;
341 // do the fast jmethodID check first
342 Method* moop = Method::checked_resolve_jmethod_id(method_id);
343 if (moop == NULL) {
344 ReportJNIFatalError(thr, fatal_wrong_class_or_method);
345 }
346 // jmethodIDs are supposed to be weak handles in the class loader data,
347 // but that can be expensive so check it last
348 else if (!Method::is_method_id(method_id)) {
349 ReportJNIFatalError(thr, fatal_non_weak_method);
350 }
351 return moop;
352 }
353
354
355 oop jniCheck::validate_object(JavaThread* thr, jobject obj) {
356 if (!obj)
357 return NULL;
358 ASSERT_OOPS_ALLOWED;
359 oop oopObj = jniCheck::validate_handle(thr, obj);
360 if (!oopObj) {
361 ReportJNIFatalError(thr, fatal_bad_ref_to_jni);
362 }
363 return oopObj;
364 }
365
366 // Warn if a class descriptor is in decorated form; class descriptors
367 // passed to JNI findClass should not be decorated unless they are
368 // array descriptors.
369 void jniCheck::validate_class_descriptor(JavaThread* thr, const char* name) {
370 if (name == NULL) return; // implementation accepts NULL so just return
371
372 size_t len = strlen(name);
373
374 if (len >= 2 &&
375 name[0] == JVM_SIGNATURE_CLASS && // 'L'
376 name[len-1] == JVM_SIGNATURE_ENDCLASS ) { // ';'
377 char msg[JVM_MAXPATHLEN];
378 jio_snprintf(msg, JVM_MAXPATHLEN, warn_bad_class_descriptor, name);
379 ReportJNIWarning(thr, msg);
380 }
381 }
382
383 Klass* jniCheck::validate_class(JavaThread* thr, jclass clazz, bool allow_primitive) {
384 ASSERT_OOPS_ALLOWED;
385 oop mirror = jniCheck::validate_handle(thr, clazz);
386 if (!mirror) {
387 ReportJNIFatalError(thr, fatal_received_null_class);
388 }
389
390 if (mirror->klass() != SystemDictionary::Class_klass()) {
391 ReportJNIFatalError(thr, fatal_class_not_a_class);
392 }
393
394 Klass* k = java_lang_Class::as_Klass(mirror);
395 // Make allowances for primitive classes ...
396 if (!(k != NULL || allow_primitive && java_lang_Class::is_primitive(mirror))) {
397 ReportJNIFatalError(thr, fatal_class_not_a_class);
398 }
399 return k;
400 }
401
402 void jniCheck::validate_throwable_klass(JavaThread* thr, Klass* klass) {
403 ASSERT_OOPS_ALLOWED;
404 assert(klass != NULL, "klass argument must have a value");
405
406 if (!klass->oop_is_instance() ||
407 !InstanceKlass::cast(klass)->is_subclass_of(SystemDictionary::Throwable_klass())) {
408 ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);
409 }
410 }
411
412 void jniCheck::validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id) {
413 /* validate the object being passed */
414 ASSERT_OOPS_ALLOWED;
415 jniCheck::validate_jmethod_id(thr, method_id);
416 jniCheck::validate_object(thr, obj);
417 }
418
419 void jniCheck::validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id) {
420 /* validate the class being passed */
421 ASSERT_OOPS_ALLOWED;
422 jniCheck::validate_jmethod_id(thr, method_id);
423 jniCheck::validate_class(thr, clazz, false);
424 }
425
426
427 /*
428 * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE
429 */
430
431 JNI_ENTRY_CHECKED(jclass,
432 checked_jni_DefineClass(JNIEnv *env,
433 const char *name,
434 jobject loader,
435 const jbyte *buf,
436 jsize len))
437 functionEnter(thr);
438 IN_VM(
439 jniCheck::validate_object(thr, loader);
440 )
441 jclass result = UNCHECKED()->DefineClass(env, name, loader, buf, len);
442 functionExit(env);
443 return result;
444 JNI_END
445
446 JNI_ENTRY_CHECKED(jclass,
447 checked_jni_FindClass(JNIEnv *env,
448 const char *name))
449 functionEnter(thr);
450 IN_VM(
451 jniCheck::validate_class_descriptor(thr, name);
452 )
453 jclass result = UNCHECKED()->FindClass(env, name);
454 functionExit(env);
455 return result;
456 JNI_END
457
458 JNI_ENTRY_CHECKED(jmethodID,
459 checked_jni_FromReflectedMethod(JNIEnv *env,
460 jobject method))
461 functionEnter(thr);
462 IN_VM(
463 jniCheck::validate_object(thr, method);
464 )
465 jmethodID result = UNCHECKED()->FromReflectedMethod(env, method);
466 functionExit(env);
467 return result;
468 JNI_END
469
470 JNI_ENTRY_CHECKED(jfieldID,
471 checked_jni_FromReflectedField(JNIEnv *env,
472 jobject field))
473 functionEnter(thr);
474 IN_VM(
475 jniCheck::validate_object(thr, field);
476 )
477 jfieldID result = UNCHECKED()->FromReflectedField(env, field);
478 functionExit(env);
479 return result;
480 JNI_END
481
482 JNI_ENTRY_CHECKED(jobject,
483 checked_jni_ToReflectedMethod(JNIEnv *env,
484 jclass cls,
485 jmethodID methodID,
486 jboolean isStatic))
487 functionEnter(thr);
488 IN_VM(
489 jniCheck::validate_class(thr, cls, false);
490 jniCheck::validate_jmethod_id(thr, methodID);
491 )
492 jobject result = UNCHECKED()->ToReflectedMethod(env, cls, methodID,
493 isStatic);
494 functionExit(env);
495 return result;
496 JNI_END
497
498 JNI_ENTRY_CHECKED(jclass,
499 checked_jni_GetSuperclass(JNIEnv *env,
500 jclass sub))
501 functionEnter(thr);
502 IN_VM(
503 jniCheck::validate_class(thr, sub, true);
504 )
505 jclass result = UNCHECKED()->GetSuperclass(env, sub);
506 functionExit(env);
507 return result;
508 JNI_END
509
510 JNI_ENTRY_CHECKED(jboolean,
511 checked_jni_IsAssignableFrom(JNIEnv *env,
512 jclass sub,
513 jclass sup))
514 functionEnter(thr);
515 IN_VM(
516 jniCheck::validate_class(thr, sub, true);
517 jniCheck::validate_class(thr, sup, true);
518 )
519 jboolean result = UNCHECKED()->IsAssignableFrom(env, sub, sup);
520 functionExit(env);
521 return result;
522 JNI_END
523
524 JNI_ENTRY_CHECKED(jobject,
525 checked_jni_ToReflectedField(JNIEnv *env,
526 jclass cls,
527 jfieldID fieldID,
528 jboolean isStatic))
529 functionEnter(thr);
530 IN_VM(
531 jniCheck::validate_class(thr, cls, false);
532 )
533 jobject result = UNCHECKED()->ToReflectedField(env, cls, fieldID,
534 isStatic);
535 functionExit(env);
536 return result;
537 JNI_END
538
539 JNI_ENTRY_CHECKED(jint,
540 checked_jni_Throw(JNIEnv *env,
541 jthrowable obj))
542 functionEnter(thr);
543 IN_VM(
544 oop oopObj = jniCheck::validate_object(thr, obj);
545 if (oopObj == NULL) {
546 // Unchecked Throw tolerates a NULL obj, so just warn
547 ReportJNIWarning(thr, "JNI Throw called with NULL throwable");
548 } else {
549 jniCheck::validate_throwable_klass(thr, oopObj->klass());
550 }
551 )
552 jint result = UNCHECKED()->Throw(env, obj);
553 functionExit(env);
554 return result;
555 JNI_END
556
557 JNI_ENTRY_CHECKED(jint,
558 checked_jni_ThrowNew(JNIEnv *env,
559 jclass clazz,
560 const char *msg))
561 functionEnter(thr);
562 IN_VM(
563 Klass* k = jniCheck::validate_class(thr, clazz, false);
564 assert(k != NULL, "validate_class shouldn't return NULL Klass*");
565 jniCheck::validate_throwable_klass(thr, k);
566 )
567 jint result = UNCHECKED()->ThrowNew(env, clazz, msg);
568 functionExit(env);
569 return result;
570 JNI_END
571
572 JNI_ENTRY_CHECKED(jthrowable,
573 checked_jni_ExceptionOccurred(JNIEnv *env))
574 functionEnterExceptionAllowed(thr);
575 jthrowable result = UNCHECKED()->ExceptionOccurred(env);
576 functionExit(env);
577 return result;
578 JNI_END
579
580 JNI_ENTRY_CHECKED(void,
581 checked_jni_ExceptionDescribe(JNIEnv *env))
582 functionEnterExceptionAllowed(thr);
583 UNCHECKED()->ExceptionDescribe(env);
584 functionExit(env);
585 JNI_END
586
587 JNI_ENTRY_CHECKED(void,
588 checked_jni_ExceptionClear(JNIEnv *env))
589 functionEnterExceptionAllowed(thr);
590 UNCHECKED()->ExceptionClear(env);
591 functionExit(env);
592 JNI_END
593
594 JNI_ENTRY_CHECKED(void,
595 checked_jni_FatalError(JNIEnv *env,
596 const char *msg))
597 functionEnter(thr);
598 UNCHECKED()->FatalError(env, msg);
599 functionExit(env);
600 JNI_END
601
602 JNI_ENTRY_CHECKED(jint,
603 checked_jni_PushLocalFrame(JNIEnv *env,
604 jint capacity))
605 functionEnterExceptionAllowed(thr);
606 if (capacity < 0)
607 NativeReportJNIFatalError(thr, "negative capacity");
608 jint result = UNCHECKED()->PushLocalFrame(env, capacity);
609 functionExit(env);
610 return result;
611 JNI_END
612
613 JNI_ENTRY_CHECKED(jobject,
614 checked_jni_PopLocalFrame(JNIEnv *env,
615 jobject result))
616 functionEnterExceptionAllowed(thr);
617 jobject res = UNCHECKED()->PopLocalFrame(env, result);
618 functionExit(env);
619 return res;
620 JNI_END
621
622 JNI_ENTRY_CHECKED(jobject,
623 checked_jni_NewGlobalRef(JNIEnv *env,
624 jobject lobj))
625 functionEnter(thr);
626 IN_VM(
627 if (lobj != NULL) {
628 jniCheck::validate_handle(thr, lobj);
629 }
630 )
631 jobject result = UNCHECKED()->NewGlobalRef(env,lobj);
632 functionExit(env);
633 return result;
634 JNI_END
635
636 JNI_ENTRY_CHECKED(void,
637 checked_jni_DeleteGlobalRef(JNIEnv *env,
638 jobject gref))
639 functionEnterExceptionAllowed(thr);
640 IN_VM(
641 jniCheck::validate_object(thr, gref);
642 if (gref && !JNIHandles::is_global_handle(gref)) {
643 ReportJNIFatalError(thr,
644 "Invalid global JNI handle passed to DeleteGlobalRef");
645 }
646 )
647 UNCHECKED()->DeleteGlobalRef(env,gref);
648 functionExit(env);
649 JNI_END
650
651 JNI_ENTRY_CHECKED(void,
652 checked_jni_DeleteLocalRef(JNIEnv *env,
653 jobject obj))
654 functionEnterExceptionAllowed(thr);
655 IN_VM(
656 jniCheck::validate_object(thr, obj);
657 if (obj && !(JNIHandles::is_local_handle(thr, obj) ||
658 JNIHandles::is_frame_handle(thr, obj)))
659 ReportJNIFatalError(thr,
660 "Invalid local JNI handle passed to DeleteLocalRef");
661 )
662 UNCHECKED()->DeleteLocalRef(env, obj);
663 functionExit(env);
664 JNI_END
665
666 JNI_ENTRY_CHECKED(jboolean,
667 checked_jni_IsSameObject(JNIEnv *env,
668 jobject obj1,
669 jobject obj2))
670 functionEnterExceptionAllowed(thr);
671 IN_VM(
672 /* This JNI function can be used to compare weak global references
673 * to NULL objects. If the handles are valid, but contain NULL,
674 * then don't attempt to validate the object.
675 */
676 if (obj1 != NULL && jniCheck::validate_handle(thr, obj1) != NULL) {
677 jniCheck::validate_object(thr, obj1);
678 }
679 if (obj2 != NULL && jniCheck::validate_handle(thr, obj2) != NULL) {
680 jniCheck::validate_object(thr, obj2);
681 }
682 )
683 jboolean result = UNCHECKED()->IsSameObject(env,obj1,obj2);
684 functionExit(env);
685 return result;
686 JNI_END
687
688 JNI_ENTRY_CHECKED(jobject,
689 checked_jni_NewLocalRef(JNIEnv *env,
690 jobject ref))
691 functionEnter(thr);
692 IN_VM(
693 if (ref != NULL) {
694 jniCheck::validate_handle(thr, ref);
695 }
696 )
697 jobject result = UNCHECKED()->NewLocalRef(env, ref);
698 functionExit(env);
699 return result;
700 JNI_END
701
702 JNI_ENTRY_CHECKED(jint,
703 checked_jni_EnsureLocalCapacity(JNIEnv *env,
704 jint capacity))
705 functionEnter(thr);
706 if (capacity < 0) {
707 NativeReportJNIFatalError(thr, "negative capacity");
708 }
709 jint result = UNCHECKED()->EnsureLocalCapacity(env, capacity);
710 functionExit(env);
711 return result;
712 JNI_END
713
714 JNI_ENTRY_CHECKED(jobject,
715 checked_jni_AllocObject(JNIEnv *env,
716 jclass clazz))
717 functionEnter(thr);
718 IN_VM(
719 jniCheck::validate_class(thr, clazz, false);
720 )
721 jobject result = UNCHECKED()->AllocObject(env,clazz);
722 functionExit(env);
723 return result;
724 JNI_END
725
726 JNI_ENTRY_CHECKED(jobject,
727 checked_jni_NewObject(JNIEnv *env,
728 jclass clazz,
729 jmethodID methodID,
730 ...))
731 functionEnter(thr);
732 va_list args;
733 IN_VM(
734 jniCheck::validate_class(thr, clazz, false);
735 jniCheck::validate_jmethod_id(thr, methodID);
736 )
737 va_start(args, methodID);
738 jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);
739 va_end(args);
740 functionExit(env);
741 return result;
742 JNI_END
743
744 JNI_ENTRY_CHECKED(jobject,
745 checked_jni_NewObjectV(JNIEnv *env,
746 jclass clazz,
747 jmethodID methodID,
748 va_list args))
749 functionEnter(thr);
750 IN_VM(
751 jniCheck::validate_class(thr, clazz, false);
752 jniCheck::validate_jmethod_id(thr, methodID);
753 )
754 jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);
755 functionExit(env);
756 return result;
757 JNI_END
758
759 JNI_ENTRY_CHECKED(jobject,
760 checked_jni_NewObjectA(JNIEnv *env,
761 jclass clazz,
762 jmethodID methodID,
763 const jvalue *args))
764 functionEnter(thr);
765 IN_VM(
766 jniCheck::validate_class(thr, clazz, false);
767 jniCheck::validate_jmethod_id(thr, methodID);
768 )
769 jobject result = UNCHECKED()->NewObjectA(env,clazz,methodID,args);
770 functionExit(env);
771 return result;
772 JNI_END
773
774 JNI_ENTRY_CHECKED(jclass,
775 checked_jni_GetObjectClass(JNIEnv *env,
776 jobject obj))
777 functionEnter(thr);
778 IN_VM(
779 jniCheck::validate_object(thr, obj);
780 )
781 jclass result = UNCHECKED()->GetObjectClass(env,obj);
782 functionExit(env);
783 return result;
784 JNI_END
785
786 JNI_ENTRY_CHECKED(jboolean,
787 checked_jni_IsInstanceOf(JNIEnv *env,
788 jobject obj,
789 jclass clazz))
790 functionEnter(thr);
791 IN_VM(
792 jniCheck::validate_object(thr, obj);
793 jniCheck::validate_class(thr, clazz, true);
794 )
795 jboolean result = UNCHECKED()->IsInstanceOf(env,obj,clazz);
796 functionExit(env);
797 return result;
798 JNI_END
799
800 JNI_ENTRY_CHECKED(jmethodID,
801 checked_jni_GetMethodID(JNIEnv *env,
802 jclass clazz,
803 const char *name,
804 const char *sig))
805 functionEnter(thr);
806 IN_VM(
807 jniCheck::validate_class(thr, clazz, false);
808 )
809 jmethodID result = UNCHECKED()->GetMethodID(env,clazz,name,sig);
810 functionExit(env);
811 return result;
812 JNI_END
813
814 #define WRAPPER_CallMethod(ResultType, Result) \
815 JNI_ENTRY_CHECKED(ResultType, \
816 checked_jni_Call##Result##Method(JNIEnv *env, \
817 jobject obj, \
818 jmethodID methodID, \
819 ...)) \
820 functionEnter(thr); \
821 va_list args; \
822 IN_VM( \
823 jniCheck::validate_call_object(thr, obj, methodID); \
824 ) \
825 va_start(args,methodID); \
826 ResultType result =UNCHECKED()->Call##Result##MethodV(env, obj, methodID, \
827 args); \
828 va_end(args); \
829 functionExit(env); \
830 return result; \
831 JNI_END \
832 \
833 JNI_ENTRY_CHECKED(ResultType, \
834 checked_jni_Call##Result##MethodV(JNIEnv *env, \
835 jobject obj, \
836 jmethodID methodID, \
837 va_list args)) \
838 functionEnter(thr); \
839 IN_VM(\
840 jniCheck::validate_call_object(thr, obj, methodID); \
841 ) \
842 ResultType result = UNCHECKED()->Call##Result##MethodV(env, obj, methodID,\
843 args); \
844 functionExit(env); \
845 return result; \
846 JNI_END \
847 \
848 JNI_ENTRY_CHECKED(ResultType, \
849 checked_jni_Call##Result##MethodA(JNIEnv *env, \
850 jobject obj, \
851 jmethodID methodID, \
852 const jvalue * args)) \
853 functionEnter(thr); \
854 IN_VM( \
855 jniCheck::validate_call_object(thr, obj, methodID); \
856 ) \
857 ResultType result = UNCHECKED()->Call##Result##MethodA(env, obj, methodID,\
858 args); \
859 functionExit(env); \
860 return result; \
861 JNI_END
862
863 WRAPPER_CallMethod(jobject,Object)
864 WRAPPER_CallMethod(jboolean,Boolean)
865 WRAPPER_CallMethod(jbyte,Byte)
866 WRAPPER_CallMethod(jshort,Short)
867 WRAPPER_CallMethod(jchar,Char)
868 WRAPPER_CallMethod(jint,Int)
869 WRAPPER_CallMethod(jlong,Long)
870 WRAPPER_CallMethod(jfloat,Float)
871 WRAPPER_CallMethod(jdouble,Double)
872
873 JNI_ENTRY_CHECKED(void,
874 checked_jni_CallVoidMethod(JNIEnv *env, \
875 jobject obj, \
876 jmethodID methodID, \
877 ...))
878 functionEnter(thr);
879 va_list args;
880 IN_VM(
881 jniCheck::validate_call_object(thr, obj, methodID);
882 )
883 va_start(args,methodID);
884 UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);
885 va_end(args);
886 functionExit(env);
887 JNI_END
888
889 JNI_ENTRY_CHECKED(void,
890 checked_jni_CallVoidMethodV(JNIEnv *env,
891 jobject obj,
892 jmethodID methodID,
893 va_list args))
894 functionEnter(thr);
895 IN_VM(
896 jniCheck::validate_call_object(thr, obj, methodID);
897 )
898 UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);
899 functionExit(env);
900 JNI_END
901
902 JNI_ENTRY_CHECKED(void,
903 checked_jni_CallVoidMethodA(JNIEnv *env,
904 jobject obj,
905 jmethodID methodID,
906 const jvalue * args))
907 functionEnter(thr);
908 IN_VM(
909 jniCheck::validate_call_object(thr, obj, methodID);
910 )
911 UNCHECKED()->CallVoidMethodA(env,obj,methodID,args);
912 functionExit(env);
913 JNI_END
914
915 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \
916 JNI_ENTRY_CHECKED(ResultType, \
917 checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \
918 jobject obj, \
919 jclass clazz, \
920 jmethodID methodID, \
921 ...)) \
922 functionEnter(thr); \
923 va_list args; \
924 IN_VM( \
925 jniCheck::validate_call_object(thr, obj, methodID); \
926 jniCheck::validate_call_class(thr, clazz, methodID); \
927 ) \
928 va_start(args,methodID); \
929 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \
930 obj, \
931 clazz, \
932 methodID,\
933 args); \
934 va_end(args); \
935 functionExit(env); \
936 return result; \
937 JNI_END \
938 \
939 JNI_ENTRY_CHECKED(ResultType, \
940 checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \
941 jobject obj, \
942 jclass clazz, \
943 jmethodID methodID, \
944 va_list args)) \
945 functionEnter(thr); \
946 IN_VM( \
947 jniCheck::validate_call_object(thr, obj, methodID); \
948 jniCheck::validate_call_class(thr, clazz, methodID); \
949 ) \
950 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \
951 obj, \
952 clazz, \
953 methodID,\
954 args); \
955 functionExit(env); \
956 return result; \
957 JNI_END \
958 \
959 JNI_ENTRY_CHECKED(ResultType, \
960 checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \
961 jobject obj, \
962 jclass clazz, \
963 jmethodID methodID, \
964 const jvalue * args)) \
965 functionEnter(thr); \
966 IN_VM( \
967 jniCheck::validate_call_object(thr, obj, methodID); \
968 jniCheck::validate_call_class(thr, clazz, methodID); \
969 ) \
970 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \
971 obj, \
972 clazz, \
973 methodID,\
974 args); \
975 functionExit(env); \
976 return result; \
977 JNI_END
978
979 WRAPPER_CallNonvirtualMethod(jobject,Object)
980 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)
981 WRAPPER_CallNonvirtualMethod(jbyte,Byte)
982 WRAPPER_CallNonvirtualMethod(jshort,Short)
983 WRAPPER_CallNonvirtualMethod(jchar,Char)
984 WRAPPER_CallNonvirtualMethod(jint,Int)
985 WRAPPER_CallNonvirtualMethod(jlong,Long)
986 WRAPPER_CallNonvirtualMethod(jfloat,Float)
987 WRAPPER_CallNonvirtualMethod(jdouble,Double)
988
989 JNI_ENTRY_CHECKED(void,
990 checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,
991 jobject obj,
992 jclass clazz,
993 jmethodID methodID,
994 ...))
995 functionEnter(thr);
996 va_list args;
997 IN_VM(
998 jniCheck::validate_call_object(thr, obj, methodID);
999 jniCheck::validate_call_class(thr, clazz, methodID);
1000 )
1001 va_start(args,methodID);
1002 UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);
1003 va_end(args);
1004 functionExit(env);
1005 JNI_END
1006
1007 JNI_ENTRY_CHECKED(void,
1008 checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,
1009 jobject obj,
1010 jclass clazz,
1011 jmethodID methodID,
1012 va_list args))
1013 functionEnter(thr);
1014 IN_VM(
1015 jniCheck::validate_call_object(thr, obj, methodID);
1016 jniCheck::validate_call_class(thr, clazz, methodID);
1017 )
1018 UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);
1019 functionExit(env);
1020 JNI_END
1021
1022 JNI_ENTRY_CHECKED(void,
1023 checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,
1024 jobject obj,
1025 jclass clazz,
1026 jmethodID methodID,
1027 const jvalue * args))
1028 functionEnter(thr);
1029 IN_VM(
1030 jniCheck::validate_call_object(thr, obj, methodID);
1031 jniCheck::validate_call_class(thr, clazz, methodID);
1032 )
1033 UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args);
1034 functionExit(env);
1035 JNI_END
1036
1037 JNI_ENTRY_CHECKED(jfieldID,
1038 checked_jni_GetFieldID(JNIEnv *env,
1039 jclass clazz,
1040 const char *name,
1041 const char *sig))
1042 functionEnter(thr);
1043 IN_VM(
1044 jniCheck::validate_class(thr, clazz, false);
1045 )
1046 jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);
1047 functionExit(env);
1048 return result;
1049 JNI_END
1050
1051 #define WRAPPER_GetField(ReturnType,Result,FieldType) \
1052 JNI_ENTRY_CHECKED(ReturnType, \
1053 checked_jni_Get##Result##Field(JNIEnv *env, \
1054 jobject obj, \
1055 jfieldID fieldID)) \
1056 functionEnter(thr); \
1057 IN_VM( \
1058 checkInstanceFieldID(thr, fieldID, obj, FieldType); \
1059 ) \
1060 ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \
1061 functionExit(env); \
1062 return result; \
1063 JNI_END
1064
1065 WRAPPER_GetField(jobject, Object, T_OBJECT)
1066 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)
1067 WRAPPER_GetField(jbyte, Byte, T_BYTE)
1068 WRAPPER_GetField(jshort, Short, T_SHORT)
1069 WRAPPER_GetField(jchar, Char, T_CHAR)
1070 WRAPPER_GetField(jint, Int, T_INT)
1071 WRAPPER_GetField(jlong, Long, T_LONG)
1072 WRAPPER_GetField(jfloat, Float, T_FLOAT)
1073 WRAPPER_GetField(jdouble, Double, T_DOUBLE)
1074
1075 #define WRAPPER_SetField(ValueType,Result,FieldType) \
1076 JNI_ENTRY_CHECKED(void, \
1077 checked_jni_Set##Result##Field(JNIEnv *env, \
1078 jobject obj, \
1079 jfieldID fieldID, \
1080 ValueType val)) \
1081 functionEnter(thr); \
1082 IN_VM( \
1083 checkInstanceFieldID(thr, fieldID, obj, FieldType); \
1084 ) \
1085 UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \
1086 functionExit(env); \
1087 JNI_END
1088
1089 WRAPPER_SetField(jobject, Object, T_OBJECT)
1090 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)
1091 WRAPPER_SetField(jbyte, Byte, T_BYTE)
1092 WRAPPER_SetField(jshort, Short, T_SHORT)
1093 WRAPPER_SetField(jchar, Char, T_CHAR)
1094 WRAPPER_SetField(jint, Int, T_INT)
1095 WRAPPER_SetField(jlong, Long, T_LONG)
1096 WRAPPER_SetField(jfloat, Float, T_FLOAT)
1097 WRAPPER_SetField(jdouble, Double, T_DOUBLE)
1098
1099
1100 JNI_ENTRY_CHECKED(jmethodID,
1101 checked_jni_GetStaticMethodID(JNIEnv *env,
1102 jclass clazz,
1103 const char *name,
1104 const char *sig))
1105 functionEnter(thr);
1106 IN_VM(
1107 jniCheck::validate_class(thr, clazz, false);
1108 )
1109 jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);
1110 functionExit(env);
1111 return result;
1112 JNI_END
1113
1114 #define WRAPPER_CallStaticMethod(ReturnType,Result) \
1115 JNI_ENTRY_CHECKED(ReturnType, \
1116 checked_jni_CallStatic##Result##Method(JNIEnv *env, \
1117 jclass clazz, \
1118 jmethodID methodID, \
1119 ...)) \
1120 functionEnter(thr); \
1121 va_list args; \
1122 IN_VM( \
1123 jniCheck::validate_jmethod_id(thr, methodID); \
1124 jniCheck::validate_class(thr, clazz, false); \
1125 ) \
1126 va_start(args,methodID); \
1127 ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \
1128 clazz, \
1129 methodID, \
1130 args); \
1131 va_end(args); \
1132 functionExit(env); \
1133 return result; \
1134 JNI_END \
1135 \
1136 JNI_ENTRY_CHECKED(ReturnType, \
1137 checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \
1138 jclass clazz, \
1139 jmethodID methodID,\
1140 va_list args)) \
1141 functionEnter(thr); \
1142 IN_VM( \
1143 jniCheck::validate_jmethod_id(thr, methodID); \
1144 jniCheck::validate_class(thr, clazz, false); \
1145 ) \
1146 ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \
1147 clazz, \
1148 methodID, \
1149 args); \
1150 functionExit(env); \
1151 return result; \
1152 JNI_END \
1153 \
1154 JNI_ENTRY_CHECKED(ReturnType, \
1155 checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \
1156 jclass clazz, \
1157 jmethodID methodID, \
1158 const jvalue *args)) \
1159 functionEnter(thr); \
1160 IN_VM( \
1161 jniCheck::validate_jmethod_id(thr, methodID); \
1162 jniCheck::validate_class(thr, clazz, false); \
1163 ) \
1164 ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \
1165 clazz, \
1166 methodID, \
1167 args); \
1168 functionExit(env); \
1169 return result; \
1170 JNI_END
1171
1172 WRAPPER_CallStaticMethod(jobject,Object)
1173 WRAPPER_CallStaticMethod(jboolean,Boolean)
1174 WRAPPER_CallStaticMethod(jbyte,Byte)
1175 WRAPPER_CallStaticMethod(jshort,Short)
1176 WRAPPER_CallStaticMethod(jchar,Char)
1177 WRAPPER_CallStaticMethod(jint,Int)
1178 WRAPPER_CallStaticMethod(jlong,Long)
1179 WRAPPER_CallStaticMethod(jfloat,Float)
1180 WRAPPER_CallStaticMethod(jdouble,Double)
1181
1182 JNI_ENTRY_CHECKED(void,
1183 checked_jni_CallStaticVoidMethod(JNIEnv *env,
1184 jclass cls,
1185 jmethodID methodID,
1186 ...))
1187 functionEnter(thr);
1188 va_list args;
1189 IN_VM(
1190 jniCheck::validate_jmethod_id(thr, methodID);
1191 jniCheck::validate_class(thr, cls, false);
1192 )
1193 va_start(args,methodID);
1194 UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);
1195 va_end(args);
1196 functionExit(env);
1197 JNI_END
1198
1199 JNI_ENTRY_CHECKED(void,
1200 checked_jni_CallStaticVoidMethodV(JNIEnv *env,
1201 jclass cls,
1202 jmethodID methodID,
1203 va_list args))
1204 functionEnter(thr);
1205 IN_VM(
1206 jniCheck::validate_jmethod_id(thr, methodID);
1207 jniCheck::validate_class(thr, cls, false);
1208 )
1209 UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);
1210 functionExit(env);
1211 JNI_END
1212
1213 JNI_ENTRY_CHECKED(void,
1214 checked_jni_CallStaticVoidMethodA(JNIEnv *env,
1215 jclass cls,
1216 jmethodID methodID,
1217 const jvalue * args))
1218 functionEnter(thr);
1219 IN_VM(
1220 jniCheck::validate_jmethod_id(thr, methodID);
1221 jniCheck::validate_class(thr, cls, false);
1222 )
1223 UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);
1224 functionExit(env);
1225 JNI_END
1226
1227 JNI_ENTRY_CHECKED(jfieldID,
1228 checked_jni_GetStaticFieldID(JNIEnv *env,
1229 jclass clazz,
1230 const char *name,
1231 const char *sig))
1232 functionEnter(thr);
1233 IN_VM(
1234 jniCheck::validate_class(thr, clazz, false);
1235 )
1236 jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);
1237 functionExit(env);
1238 return result;
1239 JNI_END
1240
1241 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \
1242 JNI_ENTRY_CHECKED(ReturnType, \
1243 checked_jni_GetStatic##Result##Field(JNIEnv *env, \
1244 jclass clazz, \
1245 jfieldID fieldID)) \
1246 functionEnter(thr); \
1247 IN_VM( \
1248 jniCheck::validate_class(thr, clazz, false); \
1249 checkStaticFieldID(thr, fieldID, clazz, FieldType); \
1250 ) \
1251 ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \
1252 clazz, \
1253 fieldID); \
1254 functionExit(env); \
1255 return result; \
1256 JNI_END
1257
1258 WRAPPER_GetStaticField(jobject, Object, T_OBJECT)
1259 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)
1260 WRAPPER_GetStaticField(jbyte, Byte, T_BYTE)
1261 WRAPPER_GetStaticField(jshort, Short, T_SHORT)
1262 WRAPPER_GetStaticField(jchar, Char, T_CHAR)
1263 WRAPPER_GetStaticField(jint, Int, T_INT)
1264 WRAPPER_GetStaticField(jlong, Long, T_LONG)
1265 WRAPPER_GetStaticField(jfloat, Float, T_FLOAT)
1266 WRAPPER_GetStaticField(jdouble, Double, T_DOUBLE)
1267
1268 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \
1269 JNI_ENTRY_CHECKED(void, \
1270 checked_jni_SetStatic##Result##Field(JNIEnv *env, \
1271 jclass clazz, \
1272 jfieldID fieldID, \
1273 ValueType value)) \
1274 functionEnter(thr); \
1275 IN_VM( \
1276 jniCheck::validate_class(thr, clazz, false); \
1277 checkStaticFieldID(thr, fieldID, clazz, FieldType); \
1278 ) \
1279 UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \
1280 functionExit(env); \
1281 JNI_END
1282
1283 WRAPPER_SetStaticField(jobject, Object, T_OBJECT)
1284 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)
1285 WRAPPER_SetStaticField(jbyte, Byte, T_BYTE)
1286 WRAPPER_SetStaticField(jshort, Short, T_SHORT)
1287 WRAPPER_SetStaticField(jchar, Char, T_CHAR)
1288 WRAPPER_SetStaticField(jint, Int, T_INT)
1289 WRAPPER_SetStaticField(jlong, Long, T_LONG)
1290 WRAPPER_SetStaticField(jfloat, Float, T_FLOAT)
1291 WRAPPER_SetStaticField(jdouble, Double, T_DOUBLE)
1292
1293
1294 JNI_ENTRY_CHECKED(jstring,
1295 checked_jni_NewString(JNIEnv *env,
1296 const jchar *unicode,
1297 jsize len))
1298 functionEnter(thr);
1299 jstring result = UNCHECKED()->NewString(env,unicode,len);
1300 functionExit(env);
1301 return result;
1302 JNI_END
1303
1304 JNI_ENTRY_CHECKED(jsize,
1305 checked_jni_GetStringLength(JNIEnv *env,
1306 jstring str))
1307 functionEnter(thr);
1308 IN_VM(
1309 checkString(thr, str);
1310 )
1311 jsize result = UNCHECKED()->GetStringLength(env,str);
1312 functionExit(env);
1313 return result;
1314 JNI_END
1315
1316 // Arbitrary (but well-known) tag
1317 const jint STRING_TAG = 0x47114711;
1318
1319 JNI_ENTRY_CHECKED(const jchar *,
1320 checked_jni_GetStringChars(JNIEnv *env,
1321 jstring str,
1322 jboolean *isCopy))
1323 functionEnter(thr);
1324 IN_VM(
1325 checkString(thr, str);
1326 )
1327 jchar* newResult = NULL;
1328 const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);
1329 assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");
1330 if (result != NULL) {
1331 size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination
1332 jint* tagLocation = (jint*) AllocateHeap(len * sizeof(jchar) + sizeof(jint), mtInternal);
1333 *tagLocation = STRING_TAG;
1334 newResult = (jchar*) (tagLocation + 1);
1335 memcpy(newResult, result, len * sizeof(jchar));
1336 // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes
1337 // Note that the dtrace arguments for the allocated memory will not match up with this solution.
1338 FreeHeap((char*)result);
1339 }
1340 functionExit(env);
1341 return newResult;
1342 JNI_END
1343
1344 JNI_ENTRY_CHECKED(void,
1345 checked_jni_ReleaseStringChars(JNIEnv *env,
1346 jstring str,
1347 const jchar *chars))
1348 functionEnterExceptionAllowed(thr);
1349 IN_VM(
1350 checkString(thr, str);
1351 )
1352 if (chars == NULL) {
1353 // still do the unchecked call to allow dtrace probes
1354 UNCHECKED()->ReleaseStringChars(env,str,chars);
1355 }
1356 else {
1357 jint* tagLocation = ((jint*) chars) - 1;
1358 if (*tagLocation != STRING_TAG) {
1359 NativeReportJNIFatalError(thr, "ReleaseStringChars called on something not allocated by GetStringChars");
1360 }
1361 UNCHECKED()->ReleaseStringChars(env,str,(const jchar*)tagLocation);
1362 }
1363 functionExit(env);
1364 JNI_END
1365
1366 JNI_ENTRY_CHECKED(jstring,
1367 checked_jni_NewStringUTF(JNIEnv *env,
1368 const char *utf))
1369 functionEnter(thr);
1370 jstring result = UNCHECKED()->NewStringUTF(env,utf);
1371 functionExit(env);
1372 return result;
1373 JNI_END
1374
1375 JNI_ENTRY_CHECKED(jsize,
1376 checked_jni_GetStringUTFLength(JNIEnv *env,
1377 jstring str))
1378 functionEnter(thr);
1379 IN_VM(
1380 checkString(thr, str);
1381 )
1382 jsize result = UNCHECKED()->GetStringUTFLength(env,str);
1383 functionExit(env);
1384 return result;
1385 JNI_END
1386
1387 // Arbitrary (but well-known) tag - different than GetStringChars
1388 const jint STRING_UTF_TAG = 0x48124812;
1389
1390 JNI_ENTRY_CHECKED(const char *,
1391 checked_jni_GetStringUTFChars(JNIEnv *env,
1392 jstring str,
1393 jboolean *isCopy))
1394 functionEnter(thr);
1395 IN_VM(
1396 checkString(thr, str);
1397 )
1398 char* newResult = NULL;
1399 const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);
1400 assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");
1401 if (result != NULL) {
1402 size_t len = strlen(result) + 1; // + 1 for NULL termination
1403 jint* tagLocation = (jint*) AllocateHeap(len + sizeof(jint), mtInternal);
1404 *tagLocation = STRING_UTF_TAG;
1405 newResult = (char*) (tagLocation + 1);
1406 strcpy(newResult, result);
1407 // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes
1408 // Note that the dtrace arguments for the allocated memory will not match up with this solution.
1409 FreeHeap((char*)result, mtInternal);
1410 }
1411 functionExit(env);
1412 return newResult;
1413 JNI_END
1414
1415 JNI_ENTRY_CHECKED(void,
1416 checked_jni_ReleaseStringUTFChars(JNIEnv *env,
1417 jstring str,
1418 const char* chars))
1419 functionEnterExceptionAllowed(thr);
1420 IN_VM(
1421 checkString(thr, str);
1422 )
1423 if (chars == NULL) {
1424 // still do the unchecked call to allow dtrace probes
1425 UNCHECKED()->ReleaseStringUTFChars(env,str,chars);
1426 }
1427 else {
1428 jint* tagLocation = ((jint*) chars) - 1;
1429 if (*tagLocation != STRING_UTF_TAG) {
1430 NativeReportJNIFatalError(thr, "ReleaseStringUTFChars called on something not allocated by GetStringUTFChars");
1431 }
1432 UNCHECKED()->ReleaseStringUTFChars(env,str,(const char*)tagLocation);
1433 }
1434 functionExit(env);
1435 JNI_END
1436
1437 JNI_ENTRY_CHECKED(jsize,
1438 checked_jni_GetArrayLength(JNIEnv *env,
1439 jarray array))
1440 functionEnter(thr);
1441 IN_VM(
1442 check_is_array(thr, array);
1443 )
1444 jsize result = UNCHECKED()->GetArrayLength(env,array);
1445 functionExit(env);
1446 return result;
1447 JNI_END
1448
1449 JNI_ENTRY_CHECKED(jobjectArray,
1450 checked_jni_NewObjectArray(JNIEnv *env,
1451 jsize len,
1452 jclass clazz,
1453 jobject init))
1454 functionEnter(thr);
1455 jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);
1456 functionExit(env);
1457 return result;
1458 JNI_END
1459
1460 JNI_ENTRY_CHECKED(jobject,
1461 checked_jni_GetObjectArrayElement(JNIEnv *env,
1462 jobjectArray array,
1463 jsize index))
1464 functionEnter(thr);
1465 IN_VM(
1466 check_is_obj_array(thr, array);
1467 )
1468 jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);
1469 functionExit(env);
1470 return result;
1471 JNI_END
1472
1473 JNI_ENTRY_CHECKED(void,
1474 checked_jni_SetObjectArrayElement(JNIEnv *env,
1475 jobjectArray array,
1476 jsize index,
1477 jobject val))
1478 functionEnter(thr);
1479 IN_VM(
1480 check_is_obj_array(thr, array);
1481 )
1482 UNCHECKED()->SetObjectArrayElement(env,array,index,val);
1483 functionExit(env);
1484 JNI_END
1485
1486 #define WRAPPER_NewScalarArray(Return, Result) \
1487 JNI_ENTRY_CHECKED(Return, \
1488 checked_jni_New##Result##Array(JNIEnv *env, \
1489 jsize len)) \
1490 functionEnter(thr); \
1491 Return result = UNCHECKED()->New##Result##Array(env,len); \
1492 functionExit(env); \
1493 return (Return) result; \
1494 JNI_END
1495
1496 WRAPPER_NewScalarArray(jbooleanArray, Boolean)
1497 WRAPPER_NewScalarArray(jbyteArray, Byte)
1498 WRAPPER_NewScalarArray(jshortArray, Short)
1499 WRAPPER_NewScalarArray(jcharArray, Char)
1500 WRAPPER_NewScalarArray(jintArray, Int)
1501 WRAPPER_NewScalarArray(jlongArray, Long)
1502 WRAPPER_NewScalarArray(jfloatArray, Float)
1503 WRAPPER_NewScalarArray(jdoubleArray, Double)
1504
1505 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \
1506 JNI_ENTRY_CHECKED(ElementType *, \
1507 checked_jni_Get##Result##ArrayElements(JNIEnv *env, \
1508 ElementType##Array array, \
1509 jboolean *isCopy)) \
1510 functionEnter(thr); \
1511 IN_VM( \
1512 check_primitive_array_type(thr, array, ElementTag); \
1513 ) \
1514 ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \
1515 array, \
1516 isCopy); \
1517 functionExit(env); \
1518 return result; \
1519 JNI_END
1520
1521 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)
1522 WRAPPER_GetScalarArrayElements(T_BYTE, jbyte, Byte)
1523 WRAPPER_GetScalarArrayElements(T_SHORT, jshort, Short)
1524 WRAPPER_GetScalarArrayElements(T_CHAR, jchar, Char)
1525 WRAPPER_GetScalarArrayElements(T_INT, jint, Int)
1526 WRAPPER_GetScalarArrayElements(T_LONG, jlong, Long)
1527 WRAPPER_GetScalarArrayElements(T_FLOAT, jfloat, Float)
1528 WRAPPER_GetScalarArrayElements(T_DOUBLE, jdouble, Double)
1529
1530 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \
1531 JNI_ENTRY_CHECKED(void, \
1532 checked_jni_Release##Result##ArrayElements(JNIEnv *env, \
1533 ElementType##Array array, \
1534 ElementType *elems, \
1535 jint mode)) \
1536 functionEnterExceptionAllowed(thr); \
1537 IN_VM( \
1538 check_primitive_array_type(thr, array, ElementTag); \
1539 ASSERT_OOPS_ALLOWED; \
1540 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
1541 /* cannot check validity of copy, unless every request is logged by
1542 * checking code. Implementation of this check is deferred until a
1543 * subsequent release.
1544 */ \
1545 ) \
1546 UNCHECKED()->Release##Result##ArrayElements(env,array,elems,mode); \
1547 functionExit(env); \
1548 JNI_END
1549
1550 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)
1551 WRAPPER_ReleaseScalarArrayElements(T_BYTE, jbyte, Byte, byte)
1552 WRAPPER_ReleaseScalarArrayElements(T_SHORT, jshort, Short, short)
1553 WRAPPER_ReleaseScalarArrayElements(T_CHAR, jchar, Char, char)
1554 WRAPPER_ReleaseScalarArrayElements(T_INT, jint, Int, int)
1555 WRAPPER_ReleaseScalarArrayElements(T_LONG, jlong, Long, long)
1556 WRAPPER_ReleaseScalarArrayElements(T_FLOAT, jfloat, Float, float)
1557 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble, Double, double)
1558
1559 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \
1560 JNI_ENTRY_CHECKED(void, \
1561 checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \
1562 ElementType##Array array, \
1563 jsize start, \
1564 jsize len, \
1565 ElementType *buf)) \
1566 functionEnter(thr); \
1567 IN_VM( \
1568 check_primitive_array_type(thr, array, ElementTag); \
1569 ) \
1570 UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \
1571 functionExit(env); \
1572 JNI_END
1573
1574 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)
1575 WRAPPER_GetScalarArrayRegion(T_BYTE, jbyte, Byte)
1576 WRAPPER_GetScalarArrayRegion(T_SHORT, jshort, Short)
1577 WRAPPER_GetScalarArrayRegion(T_CHAR, jchar, Char)
1578 WRAPPER_GetScalarArrayRegion(T_INT, jint, Int)
1579 WRAPPER_GetScalarArrayRegion(T_LONG, jlong, Long)
1580 WRAPPER_GetScalarArrayRegion(T_FLOAT, jfloat, Float)
1581 WRAPPER_GetScalarArrayRegion(T_DOUBLE, jdouble, Double)
1582
1583 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \
1584 JNI_ENTRY_CHECKED(void, \
1585 checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \
1586 ElementType##Array array, \
1587 jsize start, \
1588 jsize len, \
1589 const ElementType *buf)) \
1590 functionEnter(thr); \
1591 IN_VM( \
1592 check_primitive_array_type(thr, array, ElementTag); \
1593 ) \
1594 UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \
1595 functionExit(env); \
1596 JNI_END
1597
1598 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)
1599 WRAPPER_SetScalarArrayRegion(T_BYTE, jbyte, Byte)
1600 WRAPPER_SetScalarArrayRegion(T_SHORT, jshort, Short)
1601 WRAPPER_SetScalarArrayRegion(T_CHAR, jchar, Char)
1602 WRAPPER_SetScalarArrayRegion(T_INT, jint, Int)
1603 WRAPPER_SetScalarArrayRegion(T_LONG, jlong, Long)
1604 WRAPPER_SetScalarArrayRegion(T_FLOAT, jfloat, Float)
1605 WRAPPER_SetScalarArrayRegion(T_DOUBLE, jdouble, Double)
1606
1607 JNI_ENTRY_CHECKED(jint,
1608 checked_jni_RegisterNatives(JNIEnv *env,
1609 jclass clazz,
1610 const JNINativeMethod *methods,
1611 jint nMethods))
1612 functionEnter(thr);
1613 jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);
1614 functionExit(env);
1615 return result;
1616 JNI_END
1617
1618 JNI_ENTRY_CHECKED(jint,
1619 checked_jni_UnregisterNatives(JNIEnv *env,
1620 jclass clazz))
1621 functionEnter(thr);
1622 jint result = UNCHECKED()->UnregisterNatives(env,clazz);
1623 functionExit(env);
1624 return result;
1625 JNI_END
1626
1627 JNI_ENTRY_CHECKED(jint,
1628 checked_jni_MonitorEnter(JNIEnv *env,
1629 jobject obj))
1630 functionEnter(thr);
1631 IN_VM(
1632 jniCheck::validate_object(thr, obj);
1633 )
1634 jint result = UNCHECKED()->MonitorEnter(env,obj);
1635 functionExit(env);
1636 return result;
1637 JNI_END
1638
1639 JNI_ENTRY_CHECKED(jint,
1640 checked_jni_MonitorExit(JNIEnv *env,
1641 jobject obj))
1642 functionEnterExceptionAllowed(thr);
1643 IN_VM(
1644 jniCheck::validate_object(thr, obj);
1645 )
1646 jint result = UNCHECKED()->MonitorExit(env,obj);
1647 functionExit(env);
1648 return result;
1649 JNI_END
1650
1651 JNI_ENTRY_CHECKED(jint,
1652 checked_jni_GetJavaVM(JNIEnv *env,
1653 JavaVM **vm))
1654 functionEnter(thr);
1655 jint result = UNCHECKED()->GetJavaVM(env,vm);
1656 functionExit(env);
1657 return result;
1658 JNI_END
1659
1660 JNI_ENTRY_CHECKED(void,
1661 checked_jni_GetStringRegion(JNIEnv *env,
1662 jstring str,
1663 jsize start,
1664 jsize len,
1665 jchar *buf))
1666 functionEnter(thr);
1667 IN_VM(
1668 checkString(thr, str);
1669 )
1670 UNCHECKED()->GetStringRegion(env, str, start, len, buf);
1671 functionExit(env);
1672 JNI_END
1673
1674 JNI_ENTRY_CHECKED(void,
1675 checked_jni_GetStringUTFRegion(JNIEnv *env,
1676 jstring str,
1677 jsize start,
1678 jsize len,
1679 char *buf))
1680 functionEnter(thr);
1681 IN_VM(
1682 checkString(thr, str);
1683 )
1684 UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);
1685 functionExit(env);
1686 JNI_END
1687
1688 JNI_ENTRY_CHECKED(void *,
1689 checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,
1690 jarray array,
1691 jboolean *isCopy))
1692 functionEnterCritical(thr);
1693 IN_VM(
1694 check_is_primitive_array(thr, array);
1695 )
1696 void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);
1697 functionExit(env);
1698 return result;
1699 JNI_END
1700
1701 JNI_ENTRY_CHECKED(void,
1702 checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,
1703 jarray array,
1704 void *carray,
1705 jint mode))
1706 functionEnterCriticalExceptionAllowed(thr);
1707 IN_VM(
1708 check_is_primitive_array(thr, array);
1709 )
1710 /* The Hotspot JNI code does not use the parameters, so just check the
1711 * array parameter as a minor sanity check
1712 */
1713 UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, carray, mode);
1714 functionExit(env);
1715 JNI_END
1716
1717 JNI_ENTRY_CHECKED(const jchar*,
1718 checked_jni_GetStringCritical(JNIEnv *env,
1719 jstring string,
1720 jboolean *isCopy))
1721 functionEnterCritical(thr);
1722 IN_VM(
1723 checkString(thr, string);
1724 )
1725 const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);
1726 functionExit(env);
1727 return result;
1728 JNI_END
1729
1730 JNI_ENTRY_CHECKED(void,
1731 checked_jni_ReleaseStringCritical(JNIEnv *env,
1732 jstring str,
1733 const jchar *chars))
1734 functionEnterCriticalExceptionAllowed(thr);
1735 IN_VM(
1736 checkString(thr, str);
1737 )
1738 /* The Hotspot JNI code does not use the parameters, so just check the
1739 * string parameter as a minor sanity check
1740 */
1741 UNCHECKED()->ReleaseStringCritical(env, str, chars);
1742 functionExit(env);
1743 JNI_END
1744
1745 JNI_ENTRY_CHECKED(jweak,
1746 checked_jni_NewWeakGlobalRef(JNIEnv *env,
1747 jobject obj))
1748 functionEnter(thr);
1749 IN_VM(
1750 if (obj != NULL) {
1751 jniCheck::validate_handle(thr, obj);
1752 }
1753 )
1754 jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);
1755 functionExit(env);
1756 return result;
1757 JNI_END
1758
1759 JNI_ENTRY_CHECKED(void,
1760 checked_jni_DeleteWeakGlobalRef(JNIEnv *env,
1761 jweak ref))
1762 functionEnterExceptionAllowed(thr);
1763 UNCHECKED()->DeleteWeakGlobalRef(env, ref);
1764 functionExit(env);
1765 JNI_END
1766
1767 JNI_ENTRY_CHECKED(jboolean,
1768 checked_jni_ExceptionCheck(JNIEnv *env))
1769 functionEnterExceptionAllowed(thr);
1770 jboolean result = UNCHECKED()->ExceptionCheck(env);
1771 functionExit(env);
1772 return result;
1773 JNI_END
1774
1775 JNI_ENTRY_CHECKED(jobject,
1776 checked_jni_NewDirectByteBuffer(JNIEnv *env,
1777 void *address,
1778 jlong capacity))
1779 functionEnter(thr);
1780 jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);
1781 functionExit(env);
1782 return result;
1783 JNI_END
1784
1785 JNI_ENTRY_CHECKED(void *,
1786 checked_jni_GetDirectBufferAddress(JNIEnv *env,
1787 jobject buf))
1788 functionEnter(thr);
1789 void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);
1790 functionExit(env);
1791 return result;
1792 JNI_END
1793
1794 JNI_ENTRY_CHECKED(jlong,
1795 checked_jni_GetDirectBufferCapacity(JNIEnv *env,
1796 jobject buf))
1797 functionEnter(thr);
1798 jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);
1799 functionExit(env);
1800 return result;
1801 JNI_END
1802
1803 JNI_ENTRY_CHECKED(jobjectRefType,
1804 checked_jni_GetObjectRefType(JNIEnv *env,
1805 jobject obj))
1806 functionEnter(thr);
1807 /* validate the object being passed */
1808 IN_VM(
1809 jniCheck::validate_object(thr, obj);
1810 )
1811 jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);
1812 functionExit(env);
1813 return result;
1814 JNI_END
1815
1816
1817 JNI_ENTRY_CHECKED(jint,
1818 checked_jni_GetVersion(JNIEnv *env))
1819 functionEnter(thr);
1820 jint result = UNCHECKED()->GetVersion(env);
1821 functionExit(env);
1822 return result;
1823 JNI_END
1824
1825
1826
1827 /*
1828 * Structure containing all checked jni functions
1829 */
1830 struct JNINativeInterface_ checked_jni_NativeInterface = {
1831 NULL,
1832 NULL,
1833 NULL,
1834
1835 NULL,
1836
1837 checked_jni_GetVersion,
1838
1839 checked_jni_DefineClass,
1840 checked_jni_FindClass,
1841
1842 checked_jni_FromReflectedMethod,
1843 checked_jni_FromReflectedField,
1844
1845 checked_jni_ToReflectedMethod,
1846
1847 checked_jni_GetSuperclass,
1848 checked_jni_IsAssignableFrom,
1849
1850 checked_jni_ToReflectedField,
1851
1852 checked_jni_Throw,
1853 checked_jni_ThrowNew,
1854 checked_jni_ExceptionOccurred,
1855 checked_jni_ExceptionDescribe,
1856 checked_jni_ExceptionClear,
1857 checked_jni_FatalError,
1858
1859 checked_jni_PushLocalFrame,
1860 checked_jni_PopLocalFrame,
1861
1862 checked_jni_NewGlobalRef,
1863 checked_jni_DeleteGlobalRef,
1864 checked_jni_DeleteLocalRef,
1865 checked_jni_IsSameObject,
1866
1867 checked_jni_NewLocalRef,
1868 checked_jni_EnsureLocalCapacity,
1869
1870 checked_jni_AllocObject,
1871 checked_jni_NewObject,
1872 checked_jni_NewObjectV,
1873 checked_jni_NewObjectA,
1874
1875 checked_jni_GetObjectClass,
1876 checked_jni_IsInstanceOf,
1877
1878 checked_jni_GetMethodID,
1879
1880 checked_jni_CallObjectMethod,
1881 checked_jni_CallObjectMethodV,
1882 checked_jni_CallObjectMethodA,
1883 checked_jni_CallBooleanMethod,
1884 checked_jni_CallBooleanMethodV,
1885 checked_jni_CallBooleanMethodA,
1886 checked_jni_CallByteMethod,
1887 checked_jni_CallByteMethodV,
1888 checked_jni_CallByteMethodA,
1889 checked_jni_CallCharMethod,
1890 checked_jni_CallCharMethodV,
1891 checked_jni_CallCharMethodA,
1892 checked_jni_CallShortMethod,
1893 checked_jni_CallShortMethodV,
1894 checked_jni_CallShortMethodA,
1895 checked_jni_CallIntMethod,
1896 checked_jni_CallIntMethodV,
1897 checked_jni_CallIntMethodA,
1898 checked_jni_CallLongMethod,
1899 checked_jni_CallLongMethodV,
1900 checked_jni_CallLongMethodA,
1901 checked_jni_CallFloatMethod,
1902 checked_jni_CallFloatMethodV,
1903 checked_jni_CallFloatMethodA,
1904 checked_jni_CallDoubleMethod,
1905 checked_jni_CallDoubleMethodV,
1906 checked_jni_CallDoubleMethodA,
1907 checked_jni_CallVoidMethod,
1908 checked_jni_CallVoidMethodV,
1909 checked_jni_CallVoidMethodA,
1910
1911 checked_jni_CallNonvirtualObjectMethod,
1912 checked_jni_CallNonvirtualObjectMethodV,
1913 checked_jni_CallNonvirtualObjectMethodA,
1914 checked_jni_CallNonvirtualBooleanMethod,
1915 checked_jni_CallNonvirtualBooleanMethodV,
1916 checked_jni_CallNonvirtualBooleanMethodA,
1917 checked_jni_CallNonvirtualByteMethod,
1918 checked_jni_CallNonvirtualByteMethodV,
1919 checked_jni_CallNonvirtualByteMethodA,
1920 checked_jni_CallNonvirtualCharMethod,
1921 checked_jni_CallNonvirtualCharMethodV,
1922 checked_jni_CallNonvirtualCharMethodA,
1923 checked_jni_CallNonvirtualShortMethod,
1924 checked_jni_CallNonvirtualShortMethodV,
1925 checked_jni_CallNonvirtualShortMethodA,
1926 checked_jni_CallNonvirtualIntMethod,
1927 checked_jni_CallNonvirtualIntMethodV,
1928 checked_jni_CallNonvirtualIntMethodA,
1929 checked_jni_CallNonvirtualLongMethod,
1930 checked_jni_CallNonvirtualLongMethodV,
1931 checked_jni_CallNonvirtualLongMethodA,
1932 checked_jni_CallNonvirtualFloatMethod,
1933 checked_jni_CallNonvirtualFloatMethodV,
1934 checked_jni_CallNonvirtualFloatMethodA,
1935 checked_jni_CallNonvirtualDoubleMethod,
1936 checked_jni_CallNonvirtualDoubleMethodV,
1937 checked_jni_CallNonvirtualDoubleMethodA,
1938 checked_jni_CallNonvirtualVoidMethod,
1939 checked_jni_CallNonvirtualVoidMethodV,
1940 checked_jni_CallNonvirtualVoidMethodA,
1941
1942 checked_jni_GetFieldID,
1943
1944 checked_jni_GetObjectField,
1945 checked_jni_GetBooleanField,
1946 checked_jni_GetByteField,
1947 checked_jni_GetCharField,
1948 checked_jni_GetShortField,
1949 checked_jni_GetIntField,
1950 checked_jni_GetLongField,
1951 checked_jni_GetFloatField,
1952 checked_jni_GetDoubleField,
1953
1954 checked_jni_SetObjectField,
1955 checked_jni_SetBooleanField,
1956 checked_jni_SetByteField,
1957 checked_jni_SetCharField,
1958 checked_jni_SetShortField,
1959 checked_jni_SetIntField,
1960 checked_jni_SetLongField,
1961 checked_jni_SetFloatField,
1962 checked_jni_SetDoubleField,
1963
1964 checked_jni_GetStaticMethodID,
1965
1966 checked_jni_CallStaticObjectMethod,
1967 checked_jni_CallStaticObjectMethodV,
1968 checked_jni_CallStaticObjectMethodA,
1969 checked_jni_CallStaticBooleanMethod,
1970 checked_jni_CallStaticBooleanMethodV,
1971 checked_jni_CallStaticBooleanMethodA,
1972 checked_jni_CallStaticByteMethod,
1973 checked_jni_CallStaticByteMethodV,
1974 checked_jni_CallStaticByteMethodA,
1975 checked_jni_CallStaticCharMethod,
1976 checked_jni_CallStaticCharMethodV,
1977 checked_jni_CallStaticCharMethodA,
1978 checked_jni_CallStaticShortMethod,
1979 checked_jni_CallStaticShortMethodV,
1980 checked_jni_CallStaticShortMethodA,
1981 checked_jni_CallStaticIntMethod,
1982 checked_jni_CallStaticIntMethodV,
1983 checked_jni_CallStaticIntMethodA,
1984 checked_jni_CallStaticLongMethod,
1985 checked_jni_CallStaticLongMethodV,
1986 checked_jni_CallStaticLongMethodA,
1987 checked_jni_CallStaticFloatMethod,
1988 checked_jni_CallStaticFloatMethodV,
1989 checked_jni_CallStaticFloatMethodA,
1990 checked_jni_CallStaticDoubleMethod,
1991 checked_jni_CallStaticDoubleMethodV,
1992 checked_jni_CallStaticDoubleMethodA,
1993 checked_jni_CallStaticVoidMethod,
1994 checked_jni_CallStaticVoidMethodV,
1995 checked_jni_CallStaticVoidMethodA,
1996
1997 checked_jni_GetStaticFieldID,
1998
1999 checked_jni_GetStaticObjectField,
2000 checked_jni_GetStaticBooleanField,
2001 checked_jni_GetStaticByteField,
2002 checked_jni_GetStaticCharField,
2003 checked_jni_GetStaticShortField,
2004 checked_jni_GetStaticIntField,
2005 checked_jni_GetStaticLongField,
2006 checked_jni_GetStaticFloatField,
2007 checked_jni_GetStaticDoubleField,
2008
2009 checked_jni_SetStaticObjectField,
2010 checked_jni_SetStaticBooleanField,
2011 checked_jni_SetStaticByteField,
2012 checked_jni_SetStaticCharField,
2013 checked_jni_SetStaticShortField,
2014 checked_jni_SetStaticIntField,
2015 checked_jni_SetStaticLongField,
2016 checked_jni_SetStaticFloatField,
2017 checked_jni_SetStaticDoubleField,
2018
2019 checked_jni_NewString,
2020 checked_jni_GetStringLength,
2021 checked_jni_GetStringChars,
2022 checked_jni_ReleaseStringChars,
2023
2024 checked_jni_NewStringUTF,
2025 checked_jni_GetStringUTFLength,
2026 checked_jni_GetStringUTFChars,
2027 checked_jni_ReleaseStringUTFChars,
2028
2029 checked_jni_GetArrayLength,
2030
2031 checked_jni_NewObjectArray,
2032 checked_jni_GetObjectArrayElement,
2033 checked_jni_SetObjectArrayElement,
2034
2035 checked_jni_NewBooleanArray,
2036 checked_jni_NewByteArray,
2037 checked_jni_NewCharArray,
2038 checked_jni_NewShortArray,
2039 checked_jni_NewIntArray,
2040 checked_jni_NewLongArray,
2041 checked_jni_NewFloatArray,
2042 checked_jni_NewDoubleArray,
2043
2044 checked_jni_GetBooleanArrayElements,
2045 checked_jni_GetByteArrayElements,
2046 checked_jni_GetCharArrayElements,
2047 checked_jni_GetShortArrayElements,
2048 checked_jni_GetIntArrayElements,
2049 checked_jni_GetLongArrayElements,
2050 checked_jni_GetFloatArrayElements,
2051 checked_jni_GetDoubleArrayElements,
2052
2053 checked_jni_ReleaseBooleanArrayElements,
2054 checked_jni_ReleaseByteArrayElements,
2055 checked_jni_ReleaseCharArrayElements,
2056 checked_jni_ReleaseShortArrayElements,
2057 checked_jni_ReleaseIntArrayElements,
2058 checked_jni_ReleaseLongArrayElements,
2059 checked_jni_ReleaseFloatArrayElements,
2060 checked_jni_ReleaseDoubleArrayElements,
2061
2062 checked_jni_GetBooleanArrayRegion,
2063 checked_jni_GetByteArrayRegion,
2064 checked_jni_GetCharArrayRegion,
2065 checked_jni_GetShortArrayRegion,
2066 checked_jni_GetIntArrayRegion,
2067 checked_jni_GetLongArrayRegion,
2068 checked_jni_GetFloatArrayRegion,
2069 checked_jni_GetDoubleArrayRegion,
2070
2071 checked_jni_SetBooleanArrayRegion,
2072 checked_jni_SetByteArrayRegion,
2073 checked_jni_SetCharArrayRegion,
2074 checked_jni_SetShortArrayRegion,
2075 checked_jni_SetIntArrayRegion,
2076 checked_jni_SetLongArrayRegion,
2077 checked_jni_SetFloatArrayRegion,
2078 checked_jni_SetDoubleArrayRegion,
2079
2080 checked_jni_RegisterNatives,
2081 checked_jni_UnregisterNatives,
2082
2083 checked_jni_MonitorEnter,
2084 checked_jni_MonitorExit,
2085
2086 checked_jni_GetJavaVM,
2087
2088 checked_jni_GetStringRegion,
2089 checked_jni_GetStringUTFRegion,
2090
2091 checked_jni_GetPrimitiveArrayCritical,
2092 checked_jni_ReleasePrimitiveArrayCritical,
2093
2094 checked_jni_GetStringCritical,
2095 checked_jni_ReleaseStringCritical,
2096
2097 checked_jni_NewWeakGlobalRef,
2098 checked_jni_DeleteWeakGlobalRef,
2099
2100 checked_jni_ExceptionCheck,
2101
2102 checked_jni_NewDirectByteBuffer,
2103 checked_jni_GetDirectBufferAddress,
2104 checked_jni_GetDirectBufferCapacity,
2105
2106 // New 1.6 Features
2107
2108 checked_jni_GetObjectRefType
2109 };
2110
2111
2112 // Returns the function structure
2113 struct JNINativeInterface_* jni_functions_check() {
2114
2115 unchecked_jni_NativeInterface = jni_functions_nocheck();
2116
2117 // make sure the last pointer in the checked table is not null, indicating
2118 // an addition to the JNINativeInterface_ structure without initializing
2119 // it in the checked table.
2120 debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \
2121 sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)
2122 assert(*lastPtr != 0,
2123 "Mismatched JNINativeInterface tables, check for new entries");
2124
2125 // with -verbose:jni this message will print
2126 if (PrintJNIResolving) {
2127 tty->print_cr("Checked JNI functions are being used to " \
2128 "validate JNI usage");
2129 }
2130
2131 return &checked_jni_NativeInterface;
2132 }