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 "memory/guardedMemory.hpp"
29 #include "oops/instanceKlass.hpp"
30 #include "oops/oop.inline.hpp"
31 #include "oops/symbol.hpp"
32 #include "prims/jni.h"
33 #include "prims/jniCheck.hpp"
34 #include "prims/jvm_misc.hpp"
35 #include "runtime/fieldDescriptor.hpp"
36 #include "runtime/handles.hpp"
37 #include "runtime/interfaceSupport.hpp"
38 #include "runtime/jfieldIDWorkaround.hpp"
39 #include "runtime/thread.hpp"
40 #ifdef TARGET_ARCH_x86
41 # include "jniTypes_x86.hpp"
42 #endif
43 #ifdef TARGET_ARCH_sparc
44 # include "jniTypes_sparc.hpp"
45 #endif
46 #ifdef TARGET_ARCH_zero
47 # include "jniTypes_zero.hpp"
48 #endif
49 #ifdef TARGET_ARCH_arm
50 # include "jniTypes_arm.hpp"
51 #endif
52 #ifdef TARGET_ARCH_ppc
53 # include "jniTypes_ppc.hpp"
54 #endif
55
56
57 // Heap objects are allowed to be directly referenced only in VM code,
58 // not in native code.
59
60 #define ASSERT_OOPS_ALLOWED \
61 assert(JavaThread::current()->thread_state() == _thread_in_vm, \
62 "jniCheck examining oops in bad state.")
63
64
65 // Execute the given block of source code with the thread in VM state.
66 // To do this, transition from the NATIVE state to the VM state, execute
67 // the code, and transtition back. The ThreadInVMfromNative constructor
68 // performs the transition to VM state, its destructor restores the
69 // NATIVE state.
70
71 #define IN_VM(source_code) { \
72 { \
73 ThreadInVMfromNative __tiv(thr); \
74 source_code \
75 } \
76 }
77
78
79 /*
80 * DECLARATIONS
81 */
82
83 static struct JNINativeInterface_ * unchecked_jni_NativeInterface;
84
85
86 /*
87 * MACRO DEFINITIONS
88 */
89
90 // All JNI checked functions here use JNI_ENTRY_CHECKED() instead of the
91 // QUICK_ENTRY or LEAF variants found in jni.cpp. This allows handles
92 // to be created if a fatal error should occur.
93
94 // Check for thread not attached to VM; need to catch this before
95 // assertions in the wrapper routines might fire
96
97 // Check for env being the one value appropriate for this thread.
98
99 #define JNI_ENTRY_CHECKED(result_type, header) \
100 extern "C" { \
101 result_type JNICALL header { \
102 JavaThread* thr = (JavaThread*)ThreadLocalStorage::get_thread_slow();\
103 if (thr == NULL || !thr->is_Java_thread()) { \
104 tty->print_cr(fatal_using_jnienv_in_nonjava); \
105 os::abort(true); \
106 } \
107 JNIEnv* xenv = thr->jni_environment(); \
108 if (env != xenv) { \
109 NativeReportJNIFatalError(thr, warn_wrong_jnienv); \
110 } \
111 VM_ENTRY_BASE(result_type, header, thr)
112
113
114 #define UNCHECKED() (unchecked_jni_NativeInterface)
115
116 static const char * warn_wrong_jnienv = "Using JNIEnv in the wrong thread";
117 static const char * warn_bad_class_descriptor = "JNI FindClass received a bad class descriptor \"%s\". A correct class descriptor " \
118 "has no leading \"L\" or trailing \";\". Incorrect descriptors will not be accepted in future releases.";
119 static const char * fatal_using_jnienv_in_nonjava = "FATAL ERROR in native method: Using JNIEnv in non-Java thread";
120 static const char * warn_other_function_in_critical = "Warning: Calling other JNI functions in the scope of " \
121 "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical";
122 static const char * fatal_bad_ref_to_jni = "Bad global or local ref passed to JNI";
123 static const char * fatal_received_null_class = "JNI received a null class";
124 static const char * fatal_class_not_a_class = "JNI received a class argument that is not a class";
125 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";
126 static const char * fatal_wrong_class_or_method = "Wrong object class or methodID passed to JNI call";
127 static const char * fatal_non_weak_method = "non-weak methodID passed to JNI call";
128 static const char * fatal_unknown_array_object = "Unknown array object passed to JNI array operations";
129 static const char * fatal_object_array_expected = "Object array expected but not received for JNI array operation";
130 static const char * fatal_prim_type_array_expected = "Primitive type array expected but not received for JNI array operation";
131 static const char * fatal_non_array = "Non-array passed to JNI array operations";
132 static const char * fatal_element_type_mismatch = "Array element type mismatch in JNI";
133 static const char * fatal_should_be_static = "Non-static field ID passed to JNI";
134 static const char * fatal_wrong_static_field = "Wrong static field ID passed to JNI";
135 static const char * fatal_static_field_not_found = "Static field not found in JNI get/set field operations";
136 static const char * fatal_static_field_mismatch = "Field type (static) mismatch in JNI get/set field operations";
137 static const char * fatal_should_be_nonstatic = "Static field ID passed to JNI";
138 static const char * fatal_null_object = "Null object passed to JNI";
139 static const char * fatal_wrong_field = "Wrong field ID passed to JNI";
140 static const char * fatal_instance_field_not_found = "Instance field not found in JNI get/set field operations";
141 static const char * fatal_instance_field_mismatch = "Field type (instance) mismatch in JNI get/set field operations";
142 static const char * fatal_non_string = "JNI string operation received a non-string";
143
144
145 // When in VM state:
146 static void ReportJNIWarning(JavaThread* thr, const char *msg) {
147 tty->print_cr("WARNING in native method: %s", msg);
148 thr->print_stack();
149 }
150
151 // When in NATIVE state:
152 static void NativeReportJNIFatalError(JavaThread* thr, const char *msg) {
153 IN_VM(
154 ReportJNIFatalError(thr, msg);
155 )
156 }
157
158 static void NativeReportJNIWarning(JavaThread* thr, const char *msg) {
159 IN_VM(
160 ReportJNIWarning(thr, msg);
161 )
162 }
163
164
165
166
167 /*
168 * SUPPORT FUNCTIONS
169 */
170
171 static inline void
172 functionEnterCritical(JavaThread* thr)
173 {
174 if (thr->has_pending_exception()) {
175 NativeReportJNIWarning(thr, "JNI call made with exception pending");
176 }
177 }
178
179 static inline void
180 functionEnterCriticalExceptionAllowed(JavaThread* thr)
181 {
182 }
183
184 static inline void
185 functionEnter(JavaThread* thr)
186 {
187 if (thr->in_critical()) {
188 tty->print_cr(warn_other_function_in_critical);
189 }
190 if (thr->has_pending_exception()) {
191 NativeReportJNIWarning(thr, "JNI call made with exception pending");
192 }
193 }
194
195 static inline void
196 functionEnterExceptionAllowed(JavaThread* thr)
197 {
198 if (thr->in_critical()) {
199 tty->print_cr(warn_other_function_in_critical);
200 }
201 }
202
203 static inline void
204 functionExit(JNIEnv *env)
205 {
206 /* nothing to do at this time */
207 }
208
209 static inline void
210 checkStaticFieldID(JavaThread* thr, jfieldID fid, jclass cls, int ftype)
211 {
212 fieldDescriptor fd;
213
214 /* make sure it is a static field */
215 if (!jfieldIDWorkaround::is_static_jfieldID(fid))
216 ReportJNIFatalError(thr, fatal_should_be_static);
217
218 /* validate the class being passed */
219 ASSERT_OOPS_ALLOWED;
220 Klass* k_oop = jniCheck::validate_class(thr, cls, false);
221
222 /* check for proper subclass hierarchy */
223 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fid);
224 Klass* f_oop = id->holder();
225 if (!InstanceKlass::cast(k_oop)->is_subtype_of(f_oop))
226 ReportJNIFatalError(thr, fatal_wrong_static_field);
227
228 /* check for proper field type */
229 if (!id->find_local_field(&fd))
230 ReportJNIFatalError(thr, fatal_static_field_not_found);
231 if ((fd.field_type() != ftype) &&
232 !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {
233 ReportJNIFatalError(thr, fatal_static_field_mismatch);
234 }
235 }
236
237 static inline void
238 checkInstanceFieldID(JavaThread* thr, jfieldID fid, jobject obj, int ftype)
239 {
240 fieldDescriptor fd;
241
242 /* make sure it is an instance field */
243 if (jfieldIDWorkaround::is_static_jfieldID(fid))
244 ReportJNIFatalError(thr, fatal_should_be_nonstatic);
245
246 /* validate the object being passed and then get its class */
247 ASSERT_OOPS_ALLOWED;
248 oop oopObj = jniCheck::validate_object(thr, obj);
249 if (!oopObj) {
250 ReportJNIFatalError(thr, fatal_null_object);
251 }
252 Klass* k_oop = oopObj->klass();
253
254 if (!jfieldIDWorkaround::is_valid_jfieldID(k_oop, fid)) {
255 ReportJNIFatalError(thr, fatal_wrong_field);
256 }
257
258 /* make sure the field exists */
259 int offset = jfieldIDWorkaround::from_instance_jfieldID(k_oop, fid);
260 if (!InstanceKlass::cast(k_oop)->contains_field_offset(offset))
261 ReportJNIFatalError(thr, fatal_wrong_field);
262
263 /* check for proper field type */
264 if (!InstanceKlass::cast(k_oop)->find_field_from_offset(offset,
265 false, &fd))
266 ReportJNIFatalError(thr, fatal_instance_field_not_found);
267
268 if ((fd.field_type() != ftype) &&
269 !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {
270 ReportJNIFatalError(thr, fatal_instance_field_mismatch);
271 }
272 }
273
274 static inline void
275 checkString(JavaThread* thr, jstring js)
276 {
277 ASSERT_OOPS_ALLOWED;
278 oop s = jniCheck::validate_object(thr, js);
279 if (!s || !java_lang_String::is_instance(s))
280 ReportJNIFatalError(thr, fatal_non_string);
281 }
282
283 static inline arrayOop
284 check_is_array(JavaThread* thr, jarray jArray)
285 {
286 ASSERT_OOPS_ALLOWED;
287 arrayOop aOop;
288
289 aOop = (arrayOop)jniCheck::validate_object(thr, jArray);
290 if (aOop == NULL || !aOop->is_array()) {
291 ReportJNIFatalError(thr, fatal_non_array);
292 }
293 return aOop;
294 }
295
296 static inline arrayOop
297 check_is_primitive_array(JavaThread* thr, jarray jArray) {
298 arrayOop aOop = check_is_array(thr, jArray);
299
300 if (!aOop->is_typeArray()) {
301 ReportJNIFatalError(thr, fatal_prim_type_array_expected);
302 }
303 return aOop;
304 }
305
306 static inline void
307 check_primitive_array_type(JavaThread* thr, jarray jArray, BasicType elementType)
308 {
309 BasicType array_type;
310 arrayOop aOop;
311
312 aOop = check_is_primitive_array(thr, jArray);
313 array_type = TypeArrayKlass::cast(aOop->klass())->element_type();
314 if (array_type != elementType) {
315 ReportJNIFatalError(thr, fatal_element_type_mismatch);
316 }
317 }
318
319 static inline void
320 check_is_obj_array(JavaThread* thr, jarray jArray) {
321 arrayOop aOop = check_is_array(thr, jArray);
322 if (!aOop->is_objArray()) {
323 ReportJNIFatalError(thr, fatal_object_array_expected);
324 }
325 }
326
327 /*
328 * Copy and wrap array elements for bounds checking.
329 * Remember the original elements (GuardedMemory::get_tag())
330 */
331 static void* check_jni_wrap_copy_array(JavaThread* thr, jarray array, void* orig_elements) {
332 void* result;
333 IN_VM(
334 oop a = JNIHandles::resolve_non_null(array);
335 size_t len = arrayOop(a)->length() << TypeArrayKlass::cast(a->klass())->log2_element_size();
336 result = GuardedMemory::wrap_copy(orig_elements, len, orig_elements);
337 )
338 return result;
339 }
340
341 static void* check_wrapped_array(JavaThread* thr, const char* fn_name, void* obj, void* carray, size_t* rsz) {
342 if (carray == NULL) {
343 tty->print_cr("%s: elements vector NULL" PTR_FORMAT, fn_name, obj);
344 NativeReportJNIFatalError(thr, "Elements vector NULL");
345 }
346 GuardedMemory guarded(carray);
347 void* orig_result = guarded.get_tag();
348 if ((!guarded.verify_guards()) || (orig_result == NULL)) {
349 tty->print_cr("ReleasePrimitiveArrayCritical: unrecognized elements"
350 PTR_FORMAT " elements " PTR_FORMAT, obj, carray);
351 guarded.print_on(tty);
352 NativeReportJNIFatalError(thr, "Unrecognized elements");
353 }
354 if (rsz != NULL) {
355 *rsz = guarded.get_user_size();
356 }
357 return orig_result;
358 }
359
360 static void* check_wrapped_array_release(JavaThread* thr, const char* fn_name, void* obj, void* carray, jint mode) {
361 size_t sz;
362 void* orig_result = check_wrapped_array(thr, fn_name, obj, carray, &sz);
363 switch (mode) {
364 case 0:
365 memcpy(orig_result, carray, sz);
366 GuardedMemory::free_copy(carray);
367 break;
368 case JNI_COMMIT:
369 memcpy(orig_result, carray, sz);
370 break;
371 case JNI_ABORT:
372 GuardedMemory::free_copy(carray);
373 break;
374 default:
375 tty->print_cr("%s: Unrecognized mode %i releasing array "
376 PTR_FORMAT " elements " PTR_FORMAT, fn_name, mode, obj, carray);
377 NativeReportJNIFatalError(thr, "Unrecognized array release mode");
378 }
379 return orig_result;
380 }
381
382 oop jniCheck::validate_handle(JavaThread* thr, jobject obj) {
383 if (JNIHandles::is_frame_handle(thr, obj) ||
384 JNIHandles::is_local_handle(thr, obj) ||
385 JNIHandles::is_global_handle(obj) ||
386 JNIHandles::is_weak_global_handle(obj)) {
387 ASSERT_OOPS_ALLOWED;
388 return JNIHandles::resolve_external_guard(obj);
389 }
390 ReportJNIFatalError(thr, fatal_bad_ref_to_jni);
391 return NULL;
392 }
393
394
395 Method* jniCheck::validate_jmethod_id(JavaThread* thr, jmethodID method_id) {
396 ASSERT_OOPS_ALLOWED;
397 // do the fast jmethodID check first
398 Method* moop = Method::checked_resolve_jmethod_id(method_id);
399 if (moop == NULL) {
400 ReportJNIFatalError(thr, fatal_wrong_class_or_method);
401 }
402 // jmethodIDs are supposed to be weak handles in the class loader data,
403 // but that can be expensive so check it last
404 else if (!Method::is_method_id(method_id)) {
405 ReportJNIFatalError(thr, fatal_non_weak_method);
406 }
407 return moop;
408 }
409
410
411 oop jniCheck::validate_object(JavaThread* thr, jobject obj) {
412 if (!obj)
413 return NULL;
414 ASSERT_OOPS_ALLOWED;
415 oop oopObj = jniCheck::validate_handle(thr, obj);
416 if (!oopObj) {
417 ReportJNIFatalError(thr, fatal_bad_ref_to_jni);
418 }
419 return oopObj;
420 }
421
422 // Warn if a class descriptor is in decorated form; class descriptors
423 // passed to JNI findClass should not be decorated unless they are
424 // array descriptors.
425 void jniCheck::validate_class_descriptor(JavaThread* thr, const char* name) {
426 if (name == NULL) return; // implementation accepts NULL so just return
427
428 size_t len = strlen(name);
429
430 if (len >= 2 &&
431 name[0] == JVM_SIGNATURE_CLASS && // 'L'
432 name[len-1] == JVM_SIGNATURE_ENDCLASS ) { // ';'
433 char msg[JVM_MAXPATHLEN];
434 jio_snprintf(msg, JVM_MAXPATHLEN, warn_bad_class_descriptor, name);
435 ReportJNIWarning(thr, msg);
436 }
437 }
438
439 Klass* jniCheck::validate_class(JavaThread* thr, jclass clazz, bool allow_primitive) {
440 ASSERT_OOPS_ALLOWED;
441 oop mirror = jniCheck::validate_handle(thr, clazz);
442 if (!mirror) {
443 ReportJNIFatalError(thr, fatal_received_null_class);
444 }
445
446 if (mirror->klass() != SystemDictionary::Class_klass()) {
447 ReportJNIFatalError(thr, fatal_class_not_a_class);
448 }
449
450 Klass* k = java_lang_Class::as_Klass(mirror);
451 // Make allowances for primitive classes ...
452 if (!(k != NULL || allow_primitive && java_lang_Class::is_primitive(mirror))) {
453 ReportJNIFatalError(thr, fatal_class_not_a_class);
454 }
455 return k;
456 }
457
458 void jniCheck::validate_throwable_klass(JavaThread* thr, Klass* klass) {
459 ASSERT_OOPS_ALLOWED;
460 assert(klass != NULL, "klass argument must have a value");
461
462 if (!klass->oop_is_instance() ||
463 !InstanceKlass::cast(klass)->is_subclass_of(SystemDictionary::Throwable_klass())) {
464 ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);
465 }
466 }
467
468 void jniCheck::validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id) {
469 /* validate the object being passed */
470 ASSERT_OOPS_ALLOWED;
471 jniCheck::validate_jmethod_id(thr, method_id);
472 jniCheck::validate_object(thr, obj);
473 }
474
475 void jniCheck::validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id) {
476 /* validate the class being passed */
477 ASSERT_OOPS_ALLOWED;
478 jniCheck::validate_jmethod_id(thr, method_id);
479 jniCheck::validate_class(thr, clazz, false);
480 }
481
482
483 /*
484 * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE
485 */
486
487 JNI_ENTRY_CHECKED(jclass,
488 checked_jni_DefineClass(JNIEnv *env,
489 const char *name,
490 jobject loader,
491 const jbyte *buf,
492 jsize len))
493 functionEnter(thr);
494 IN_VM(
495 jniCheck::validate_object(thr, loader);
496 )
497 jclass result = UNCHECKED()->DefineClass(env, name, loader, buf, len);
498 functionExit(env);
499 return result;
500 JNI_END
501
502 JNI_ENTRY_CHECKED(jclass,
503 checked_jni_FindClass(JNIEnv *env,
504 const char *name))
505 functionEnter(thr);
506 IN_VM(
507 jniCheck::validate_class_descriptor(thr, name);
508 )
509 jclass result = UNCHECKED()->FindClass(env, name);
510 functionExit(env);
511 return result;
512 JNI_END
513
514 JNI_ENTRY_CHECKED(jmethodID,
515 checked_jni_FromReflectedMethod(JNIEnv *env,
516 jobject method))
517 functionEnter(thr);
518 IN_VM(
519 jniCheck::validate_object(thr, method);
520 )
521 jmethodID result = UNCHECKED()->FromReflectedMethod(env, method);
522 functionExit(env);
523 return result;
524 JNI_END
525
526 JNI_ENTRY_CHECKED(jfieldID,
527 checked_jni_FromReflectedField(JNIEnv *env,
528 jobject field))
529 functionEnter(thr);
530 IN_VM(
531 jniCheck::validate_object(thr, field);
532 )
533 jfieldID result = UNCHECKED()->FromReflectedField(env, field);
534 functionExit(env);
535 return result;
536 JNI_END
537
538 JNI_ENTRY_CHECKED(jobject,
539 checked_jni_ToReflectedMethod(JNIEnv *env,
540 jclass cls,
541 jmethodID methodID,
542 jboolean isStatic))
543 functionEnter(thr);
544 IN_VM(
545 jniCheck::validate_class(thr, cls, false);
546 jniCheck::validate_jmethod_id(thr, methodID);
547 )
548 jobject result = UNCHECKED()->ToReflectedMethod(env, cls, methodID,
549 isStatic);
550 functionExit(env);
551 return result;
552 JNI_END
553
554 JNI_ENTRY_CHECKED(jclass,
555 checked_jni_GetSuperclass(JNIEnv *env,
556 jclass sub))
557 functionEnter(thr);
558 IN_VM(
559 jniCheck::validate_class(thr, sub, true);
560 )
561 jclass result = UNCHECKED()->GetSuperclass(env, sub);
562 functionExit(env);
563 return result;
564 JNI_END
565
566 JNI_ENTRY_CHECKED(jboolean,
567 checked_jni_IsAssignableFrom(JNIEnv *env,
568 jclass sub,
569 jclass sup))
570 functionEnter(thr);
571 IN_VM(
572 jniCheck::validate_class(thr, sub, true);
573 jniCheck::validate_class(thr, sup, true);
574 )
575 jboolean result = UNCHECKED()->IsAssignableFrom(env, sub, sup);
576 functionExit(env);
577 return result;
578 JNI_END
579
580 JNI_ENTRY_CHECKED(jobject,
581 checked_jni_ToReflectedField(JNIEnv *env,
582 jclass cls,
583 jfieldID fieldID,
584 jboolean isStatic))
585 functionEnter(thr);
586 IN_VM(
587 jniCheck::validate_class(thr, cls, false);
588 )
589 jobject result = UNCHECKED()->ToReflectedField(env, cls, fieldID,
590 isStatic);
591 functionExit(env);
592 return result;
593 JNI_END
594
595 JNI_ENTRY_CHECKED(jint,
596 checked_jni_Throw(JNIEnv *env,
597 jthrowable obj))
598 functionEnter(thr);
599 IN_VM(
600 oop oopObj = jniCheck::validate_object(thr, obj);
601 if (oopObj == NULL) {
602 // Unchecked Throw tolerates a NULL obj, so just warn
603 ReportJNIWarning(thr, "JNI Throw called with NULL throwable");
604 } else {
605 jniCheck::validate_throwable_klass(thr, oopObj->klass());
606 }
607 )
608 jint result = UNCHECKED()->Throw(env, obj);
609 functionExit(env);
610 return result;
611 JNI_END
612
613 JNI_ENTRY_CHECKED(jint,
614 checked_jni_ThrowNew(JNIEnv *env,
615 jclass clazz,
616 const char *msg))
617 functionEnter(thr);
618 IN_VM(
619 Klass* k = jniCheck::validate_class(thr, clazz, false);
620 assert(k != NULL, "validate_class shouldn't return NULL Klass*");
621 jniCheck::validate_throwable_klass(thr, k);
622 )
623 jint result = UNCHECKED()->ThrowNew(env, clazz, msg);
624 functionExit(env);
625 return result;
626 JNI_END
627
628 JNI_ENTRY_CHECKED(jthrowable,
629 checked_jni_ExceptionOccurred(JNIEnv *env))
630 functionEnterExceptionAllowed(thr);
631 jthrowable result = UNCHECKED()->ExceptionOccurred(env);
632 functionExit(env);
633 return result;
634 JNI_END
635
636 JNI_ENTRY_CHECKED(void,
637 checked_jni_ExceptionDescribe(JNIEnv *env))
638 functionEnterExceptionAllowed(thr);
639 UNCHECKED()->ExceptionDescribe(env);
640 functionExit(env);
641 JNI_END
642
643 JNI_ENTRY_CHECKED(void,
644 checked_jni_ExceptionClear(JNIEnv *env))
645 functionEnterExceptionAllowed(thr);
646 UNCHECKED()->ExceptionClear(env);
647 functionExit(env);
648 JNI_END
649
650 JNI_ENTRY_CHECKED(void,
651 checked_jni_FatalError(JNIEnv *env,
652 const char *msg))
653 functionEnter(thr);
654 UNCHECKED()->FatalError(env, msg);
655 functionExit(env);
656 JNI_END
657
658 JNI_ENTRY_CHECKED(jint,
659 checked_jni_PushLocalFrame(JNIEnv *env,
660 jint capacity))
661 functionEnterExceptionAllowed(thr);
662 if (capacity < 0)
663 NativeReportJNIFatalError(thr, "negative capacity");
664 jint result = UNCHECKED()->PushLocalFrame(env, capacity);
665 functionExit(env);
666 return result;
667 JNI_END
668
669 JNI_ENTRY_CHECKED(jobject,
670 checked_jni_PopLocalFrame(JNIEnv *env,
671 jobject result))
672 functionEnterExceptionAllowed(thr);
673 jobject res = UNCHECKED()->PopLocalFrame(env, result);
674 functionExit(env);
675 return res;
676 JNI_END
677
678 JNI_ENTRY_CHECKED(jobject,
679 checked_jni_NewGlobalRef(JNIEnv *env,
680 jobject lobj))
681 functionEnter(thr);
682 IN_VM(
683 if (lobj != NULL) {
684 jniCheck::validate_handle(thr, lobj);
685 }
686 )
687 jobject result = UNCHECKED()->NewGlobalRef(env,lobj);
688 functionExit(env);
689 return result;
690 JNI_END
691
692 JNI_ENTRY_CHECKED(void,
693 checked_jni_DeleteGlobalRef(JNIEnv *env,
694 jobject gref))
695 functionEnterExceptionAllowed(thr);
696 IN_VM(
697 jniCheck::validate_object(thr, gref);
698 if (gref && !JNIHandles::is_global_handle(gref)) {
699 ReportJNIFatalError(thr,
700 "Invalid global JNI handle passed to DeleteGlobalRef");
701 }
702 )
703 UNCHECKED()->DeleteGlobalRef(env,gref);
704 functionExit(env);
705 JNI_END
706
707 JNI_ENTRY_CHECKED(void,
708 checked_jni_DeleteLocalRef(JNIEnv *env,
709 jobject obj))
710 functionEnterExceptionAllowed(thr);
711 IN_VM(
712 jniCheck::validate_object(thr, obj);
713 if (obj && !(JNIHandles::is_local_handle(thr, obj) ||
714 JNIHandles::is_frame_handle(thr, obj)))
715 ReportJNIFatalError(thr,
716 "Invalid local JNI handle passed to DeleteLocalRef");
717 )
718 UNCHECKED()->DeleteLocalRef(env, obj);
719 functionExit(env);
720 JNI_END
721
722 JNI_ENTRY_CHECKED(jboolean,
723 checked_jni_IsSameObject(JNIEnv *env,
724 jobject obj1,
725 jobject obj2))
726 functionEnterExceptionAllowed(thr);
727 IN_VM(
728 /* This JNI function can be used to compare weak global references
729 * to NULL objects. If the handles are valid, but contain NULL,
730 * then don't attempt to validate the object.
731 */
732 if (obj1 != NULL && jniCheck::validate_handle(thr, obj1) != NULL) {
733 jniCheck::validate_object(thr, obj1);
734 }
735 if (obj2 != NULL && jniCheck::validate_handle(thr, obj2) != NULL) {
736 jniCheck::validate_object(thr, obj2);
737 }
738 )
739 jboolean result = UNCHECKED()->IsSameObject(env,obj1,obj2);
740 functionExit(env);
741 return result;
742 JNI_END
743
744 JNI_ENTRY_CHECKED(jobject,
745 checked_jni_NewLocalRef(JNIEnv *env,
746 jobject ref))
747 functionEnter(thr);
748 IN_VM(
749 if (ref != NULL) {
750 jniCheck::validate_handle(thr, ref);
751 }
752 )
753 jobject result = UNCHECKED()->NewLocalRef(env, ref);
754 functionExit(env);
755 return result;
756 JNI_END
757
758 JNI_ENTRY_CHECKED(jint,
759 checked_jni_EnsureLocalCapacity(JNIEnv *env,
760 jint capacity))
761 functionEnter(thr);
762 if (capacity < 0) {
763 NativeReportJNIFatalError(thr, "negative capacity");
764 }
765 jint result = UNCHECKED()->EnsureLocalCapacity(env, capacity);
766 functionExit(env);
767 return result;
768 JNI_END
769
770 JNI_ENTRY_CHECKED(jobject,
771 checked_jni_AllocObject(JNIEnv *env,
772 jclass clazz))
773 functionEnter(thr);
774 IN_VM(
775 jniCheck::validate_class(thr, clazz, false);
776 )
777 jobject result = UNCHECKED()->AllocObject(env,clazz);
778 functionExit(env);
779 return result;
780 JNI_END
781
782 JNI_ENTRY_CHECKED(jobject,
783 checked_jni_NewObject(JNIEnv *env,
784 jclass clazz,
785 jmethodID methodID,
786 ...))
787 functionEnter(thr);
788 va_list args;
789 IN_VM(
790 jniCheck::validate_class(thr, clazz, false);
791 jniCheck::validate_jmethod_id(thr, methodID);
792 )
793 va_start(args, methodID);
794 jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);
795 va_end(args);
796 functionExit(env);
797 return result;
798 JNI_END
799
800 JNI_ENTRY_CHECKED(jobject,
801 checked_jni_NewObjectV(JNIEnv *env,
802 jclass clazz,
803 jmethodID methodID,
804 va_list args))
805 functionEnter(thr);
806 IN_VM(
807 jniCheck::validate_class(thr, clazz, false);
808 jniCheck::validate_jmethod_id(thr, methodID);
809 )
810 jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);
811 functionExit(env);
812 return result;
813 JNI_END
814
815 JNI_ENTRY_CHECKED(jobject,
816 checked_jni_NewObjectA(JNIEnv *env,
817 jclass clazz,
818 jmethodID methodID,
819 const jvalue *args))
820 functionEnter(thr);
821 IN_VM(
822 jniCheck::validate_class(thr, clazz, false);
823 jniCheck::validate_jmethod_id(thr, methodID);
824 )
825 jobject result = UNCHECKED()->NewObjectA(env,clazz,methodID,args);
826 functionExit(env);
827 return result;
828 JNI_END
829
830 JNI_ENTRY_CHECKED(jclass,
831 checked_jni_GetObjectClass(JNIEnv *env,
832 jobject obj))
833 functionEnter(thr);
834 IN_VM(
835 jniCheck::validate_object(thr, obj);
836 )
837 jclass result = UNCHECKED()->GetObjectClass(env,obj);
838 functionExit(env);
839 return result;
840 JNI_END
841
842 JNI_ENTRY_CHECKED(jboolean,
843 checked_jni_IsInstanceOf(JNIEnv *env,
844 jobject obj,
845 jclass clazz))
846 functionEnter(thr);
847 IN_VM(
848 jniCheck::validate_object(thr, obj);
849 jniCheck::validate_class(thr, clazz, true);
850 )
851 jboolean result = UNCHECKED()->IsInstanceOf(env,obj,clazz);
852 functionExit(env);
853 return result;
854 JNI_END
855
856 JNI_ENTRY_CHECKED(jmethodID,
857 checked_jni_GetMethodID(JNIEnv *env,
858 jclass clazz,
859 const char *name,
860 const char *sig))
861 functionEnter(thr);
862 IN_VM(
863 jniCheck::validate_class(thr, clazz, false);
864 )
865 jmethodID result = UNCHECKED()->GetMethodID(env,clazz,name,sig);
866 functionExit(env);
867 return result;
868 JNI_END
869
870 #define WRAPPER_CallMethod(ResultType, Result) \
871 JNI_ENTRY_CHECKED(ResultType, \
872 checked_jni_Call##Result##Method(JNIEnv *env, \
873 jobject obj, \
874 jmethodID methodID, \
875 ...)) \
876 functionEnter(thr); \
877 va_list args; \
878 IN_VM( \
879 jniCheck::validate_call_object(thr, obj, methodID); \
880 ) \
881 va_start(args,methodID); \
882 ResultType result =UNCHECKED()->Call##Result##MethodV(env, obj, methodID, \
883 args); \
884 va_end(args); \
885 functionExit(env); \
886 return result; \
887 JNI_END \
888 \
889 JNI_ENTRY_CHECKED(ResultType, \
890 checked_jni_Call##Result##MethodV(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 ResultType result = UNCHECKED()->Call##Result##MethodV(env, obj, methodID,\
899 args); \
900 functionExit(env); \
901 return result; \
902 JNI_END \
903 \
904 JNI_ENTRY_CHECKED(ResultType, \
905 checked_jni_Call##Result##MethodA(JNIEnv *env, \
906 jobject obj, \
907 jmethodID methodID, \
908 const jvalue * args)) \
909 functionEnter(thr); \
910 IN_VM( \
911 jniCheck::validate_call_object(thr, obj, methodID); \
912 ) \
913 ResultType result = UNCHECKED()->Call##Result##MethodA(env, obj, methodID,\
914 args); \
915 functionExit(env); \
916 return result; \
917 JNI_END
918
919 WRAPPER_CallMethod(jobject,Object)
920 WRAPPER_CallMethod(jboolean,Boolean)
921 WRAPPER_CallMethod(jbyte,Byte)
922 WRAPPER_CallMethod(jshort,Short)
923 WRAPPER_CallMethod(jchar,Char)
924 WRAPPER_CallMethod(jint,Int)
925 WRAPPER_CallMethod(jlong,Long)
926 WRAPPER_CallMethod(jfloat,Float)
927 WRAPPER_CallMethod(jdouble,Double)
928
929 JNI_ENTRY_CHECKED(void,
930 checked_jni_CallVoidMethod(JNIEnv *env, \
931 jobject obj, \
932 jmethodID methodID, \
933 ...))
934 functionEnter(thr);
935 va_list args;
936 IN_VM(
937 jniCheck::validate_call_object(thr, obj, methodID);
938 )
939 va_start(args,methodID);
940 UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);
941 va_end(args);
942 functionExit(env);
943 JNI_END
944
945 JNI_ENTRY_CHECKED(void,
946 checked_jni_CallVoidMethodV(JNIEnv *env,
947 jobject obj,
948 jmethodID methodID,
949 va_list args))
950 functionEnter(thr);
951 IN_VM(
952 jniCheck::validate_call_object(thr, obj, methodID);
953 )
954 UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);
955 functionExit(env);
956 JNI_END
957
958 JNI_ENTRY_CHECKED(void,
959 checked_jni_CallVoidMethodA(JNIEnv *env,
960 jobject obj,
961 jmethodID methodID,
962 const jvalue * args))
963 functionEnter(thr);
964 IN_VM(
965 jniCheck::validate_call_object(thr, obj, methodID);
966 )
967 UNCHECKED()->CallVoidMethodA(env,obj,methodID,args);
968 functionExit(env);
969 JNI_END
970
971 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \
972 JNI_ENTRY_CHECKED(ResultType, \
973 checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \
974 jobject obj, \
975 jclass clazz, \
976 jmethodID methodID, \
977 ...)) \
978 functionEnter(thr); \
979 va_list args; \
980 IN_VM( \
981 jniCheck::validate_call_object(thr, obj, methodID); \
982 jniCheck::validate_call_class(thr, clazz, methodID); \
983 ) \
984 va_start(args,methodID); \
985 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \
986 obj, \
987 clazz, \
988 methodID,\
989 args); \
990 va_end(args); \
991 functionExit(env); \
992 return result; \
993 JNI_END \
994 \
995 JNI_ENTRY_CHECKED(ResultType, \
996 checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \
997 jobject obj, \
998 jclass clazz, \
999 jmethodID methodID, \
1000 va_list args)) \
1001 functionEnter(thr); \
1002 IN_VM( \
1003 jniCheck::validate_call_object(thr, obj, methodID); \
1004 jniCheck::validate_call_class(thr, clazz, methodID); \
1005 ) \
1006 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \
1007 obj, \
1008 clazz, \
1009 methodID,\
1010 args); \
1011 functionExit(env); \
1012 return result; \
1013 JNI_END \
1014 \
1015 JNI_ENTRY_CHECKED(ResultType, \
1016 checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \
1017 jobject obj, \
1018 jclass clazz, \
1019 jmethodID methodID, \
1020 const jvalue * args)) \
1021 functionEnter(thr); \
1022 IN_VM( \
1023 jniCheck::validate_call_object(thr, obj, methodID); \
1024 jniCheck::validate_call_class(thr, clazz, methodID); \
1025 ) \
1026 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \
1027 obj, \
1028 clazz, \
1029 methodID,\
1030 args); \
1031 functionExit(env); \
1032 return result; \
1033 JNI_END
1034
1035 WRAPPER_CallNonvirtualMethod(jobject,Object)
1036 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)
1037 WRAPPER_CallNonvirtualMethod(jbyte,Byte)
1038 WRAPPER_CallNonvirtualMethod(jshort,Short)
1039 WRAPPER_CallNonvirtualMethod(jchar,Char)
1040 WRAPPER_CallNonvirtualMethod(jint,Int)
1041 WRAPPER_CallNonvirtualMethod(jlong,Long)
1042 WRAPPER_CallNonvirtualMethod(jfloat,Float)
1043 WRAPPER_CallNonvirtualMethod(jdouble,Double)
1044
1045 JNI_ENTRY_CHECKED(void,
1046 checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,
1047 jobject obj,
1048 jclass clazz,
1049 jmethodID methodID,
1050 ...))
1051 functionEnter(thr);
1052 va_list args;
1053 IN_VM(
1054 jniCheck::validate_call_object(thr, obj, methodID);
1055 jniCheck::validate_call_class(thr, clazz, methodID);
1056 )
1057 va_start(args,methodID);
1058 UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);
1059 va_end(args);
1060 functionExit(env);
1061 JNI_END
1062
1063 JNI_ENTRY_CHECKED(void,
1064 checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,
1065 jobject obj,
1066 jclass clazz,
1067 jmethodID methodID,
1068 va_list args))
1069 functionEnter(thr);
1070 IN_VM(
1071 jniCheck::validate_call_object(thr, obj, methodID);
1072 jniCheck::validate_call_class(thr, clazz, methodID);
1073 )
1074 UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);
1075 functionExit(env);
1076 JNI_END
1077
1078 JNI_ENTRY_CHECKED(void,
1079 checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,
1080 jobject obj,
1081 jclass clazz,
1082 jmethodID methodID,
1083 const jvalue * args))
1084 functionEnter(thr);
1085 IN_VM(
1086 jniCheck::validate_call_object(thr, obj, methodID);
1087 jniCheck::validate_call_class(thr, clazz, methodID);
1088 )
1089 UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args);
1090 functionExit(env);
1091 JNI_END
1092
1093 JNI_ENTRY_CHECKED(jfieldID,
1094 checked_jni_GetFieldID(JNIEnv *env,
1095 jclass clazz,
1096 const char *name,
1097 const char *sig))
1098 functionEnter(thr);
1099 IN_VM(
1100 jniCheck::validate_class(thr, clazz, false);
1101 )
1102 jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);
1103 functionExit(env);
1104 return result;
1105 JNI_END
1106
1107 #define WRAPPER_GetField(ReturnType,Result,FieldType) \
1108 JNI_ENTRY_CHECKED(ReturnType, \
1109 checked_jni_Get##Result##Field(JNIEnv *env, \
1110 jobject obj, \
1111 jfieldID fieldID)) \
1112 functionEnter(thr); \
1113 IN_VM( \
1114 checkInstanceFieldID(thr, fieldID, obj, FieldType); \
1115 ) \
1116 ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \
1117 functionExit(env); \
1118 return result; \
1119 JNI_END
1120
1121 WRAPPER_GetField(jobject, Object, T_OBJECT)
1122 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)
1123 WRAPPER_GetField(jbyte, Byte, T_BYTE)
1124 WRAPPER_GetField(jshort, Short, T_SHORT)
1125 WRAPPER_GetField(jchar, Char, T_CHAR)
1126 WRAPPER_GetField(jint, Int, T_INT)
1127 WRAPPER_GetField(jlong, Long, T_LONG)
1128 WRAPPER_GetField(jfloat, Float, T_FLOAT)
1129 WRAPPER_GetField(jdouble, Double, T_DOUBLE)
1130
1131 #define WRAPPER_SetField(ValueType,Result,FieldType) \
1132 JNI_ENTRY_CHECKED(void, \
1133 checked_jni_Set##Result##Field(JNIEnv *env, \
1134 jobject obj, \
1135 jfieldID fieldID, \
1136 ValueType val)) \
1137 functionEnter(thr); \
1138 IN_VM( \
1139 checkInstanceFieldID(thr, fieldID, obj, FieldType); \
1140 ) \
1141 UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \
1142 functionExit(env); \
1143 JNI_END
1144
1145 WRAPPER_SetField(jobject, Object, T_OBJECT)
1146 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)
1147 WRAPPER_SetField(jbyte, Byte, T_BYTE)
1148 WRAPPER_SetField(jshort, Short, T_SHORT)
1149 WRAPPER_SetField(jchar, Char, T_CHAR)
1150 WRAPPER_SetField(jint, Int, T_INT)
1151 WRAPPER_SetField(jlong, Long, T_LONG)
1152 WRAPPER_SetField(jfloat, Float, T_FLOAT)
1153 WRAPPER_SetField(jdouble, Double, T_DOUBLE)
1154
1155
1156 JNI_ENTRY_CHECKED(jmethodID,
1157 checked_jni_GetStaticMethodID(JNIEnv *env,
1158 jclass clazz,
1159 const char *name,
1160 const char *sig))
1161 functionEnter(thr);
1162 IN_VM(
1163 jniCheck::validate_class(thr, clazz, false);
1164 )
1165 jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);
1166 functionExit(env);
1167 return result;
1168 JNI_END
1169
1170 #define WRAPPER_CallStaticMethod(ReturnType,Result) \
1171 JNI_ENTRY_CHECKED(ReturnType, \
1172 checked_jni_CallStatic##Result##Method(JNIEnv *env, \
1173 jclass clazz, \
1174 jmethodID methodID, \
1175 ...)) \
1176 functionEnter(thr); \
1177 va_list args; \
1178 IN_VM( \
1179 jniCheck::validate_jmethod_id(thr, methodID); \
1180 jniCheck::validate_class(thr, clazz, false); \
1181 ) \
1182 va_start(args,methodID); \
1183 ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \
1184 clazz, \
1185 methodID, \
1186 args); \
1187 va_end(args); \
1188 functionExit(env); \
1189 return result; \
1190 JNI_END \
1191 \
1192 JNI_ENTRY_CHECKED(ReturnType, \
1193 checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \
1194 jclass clazz, \
1195 jmethodID methodID,\
1196 va_list args)) \
1197 functionEnter(thr); \
1198 IN_VM( \
1199 jniCheck::validate_jmethod_id(thr, methodID); \
1200 jniCheck::validate_class(thr, clazz, false); \
1201 ) \
1202 ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \
1203 clazz, \
1204 methodID, \
1205 args); \
1206 functionExit(env); \
1207 return result; \
1208 JNI_END \
1209 \
1210 JNI_ENTRY_CHECKED(ReturnType, \
1211 checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \
1212 jclass clazz, \
1213 jmethodID methodID, \
1214 const jvalue *args)) \
1215 functionEnter(thr); \
1216 IN_VM( \
1217 jniCheck::validate_jmethod_id(thr, methodID); \
1218 jniCheck::validate_class(thr, clazz, false); \
1219 ) \
1220 ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \
1221 clazz, \
1222 methodID, \
1223 args); \
1224 functionExit(env); \
1225 return result; \
1226 JNI_END
1227
1228 WRAPPER_CallStaticMethod(jobject,Object)
1229 WRAPPER_CallStaticMethod(jboolean,Boolean)
1230 WRAPPER_CallStaticMethod(jbyte,Byte)
1231 WRAPPER_CallStaticMethod(jshort,Short)
1232 WRAPPER_CallStaticMethod(jchar,Char)
1233 WRAPPER_CallStaticMethod(jint,Int)
1234 WRAPPER_CallStaticMethod(jlong,Long)
1235 WRAPPER_CallStaticMethod(jfloat,Float)
1236 WRAPPER_CallStaticMethod(jdouble,Double)
1237
1238 JNI_ENTRY_CHECKED(void,
1239 checked_jni_CallStaticVoidMethod(JNIEnv *env,
1240 jclass cls,
1241 jmethodID methodID,
1242 ...))
1243 functionEnter(thr);
1244 va_list args;
1245 IN_VM(
1246 jniCheck::validate_jmethod_id(thr, methodID);
1247 jniCheck::validate_class(thr, cls, false);
1248 )
1249 va_start(args,methodID);
1250 UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);
1251 va_end(args);
1252 functionExit(env);
1253 JNI_END
1254
1255 JNI_ENTRY_CHECKED(void,
1256 checked_jni_CallStaticVoidMethodV(JNIEnv *env,
1257 jclass cls,
1258 jmethodID methodID,
1259 va_list args))
1260 functionEnter(thr);
1261 IN_VM(
1262 jniCheck::validate_jmethod_id(thr, methodID);
1263 jniCheck::validate_class(thr, cls, false);
1264 )
1265 UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);
1266 functionExit(env);
1267 JNI_END
1268
1269 JNI_ENTRY_CHECKED(void,
1270 checked_jni_CallStaticVoidMethodA(JNIEnv *env,
1271 jclass cls,
1272 jmethodID methodID,
1273 const jvalue * args))
1274 functionEnter(thr);
1275 IN_VM(
1276 jniCheck::validate_jmethod_id(thr, methodID);
1277 jniCheck::validate_class(thr, cls, false);
1278 )
1279 UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);
1280 functionExit(env);
1281 JNI_END
1282
1283 JNI_ENTRY_CHECKED(jfieldID,
1284 checked_jni_GetStaticFieldID(JNIEnv *env,
1285 jclass clazz,
1286 const char *name,
1287 const char *sig))
1288 functionEnter(thr);
1289 IN_VM(
1290 jniCheck::validate_class(thr, clazz, false);
1291 )
1292 jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);
1293 functionExit(env);
1294 return result;
1295 JNI_END
1296
1297 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \
1298 JNI_ENTRY_CHECKED(ReturnType, \
1299 checked_jni_GetStatic##Result##Field(JNIEnv *env, \
1300 jclass clazz, \
1301 jfieldID fieldID)) \
1302 functionEnter(thr); \
1303 IN_VM( \
1304 jniCheck::validate_class(thr, clazz, false); \
1305 checkStaticFieldID(thr, fieldID, clazz, FieldType); \
1306 ) \
1307 ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \
1308 clazz, \
1309 fieldID); \
1310 functionExit(env); \
1311 return result; \
1312 JNI_END
1313
1314 WRAPPER_GetStaticField(jobject, Object, T_OBJECT)
1315 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)
1316 WRAPPER_GetStaticField(jbyte, Byte, T_BYTE)
1317 WRAPPER_GetStaticField(jshort, Short, T_SHORT)
1318 WRAPPER_GetStaticField(jchar, Char, T_CHAR)
1319 WRAPPER_GetStaticField(jint, Int, T_INT)
1320 WRAPPER_GetStaticField(jlong, Long, T_LONG)
1321 WRAPPER_GetStaticField(jfloat, Float, T_FLOAT)
1322 WRAPPER_GetStaticField(jdouble, Double, T_DOUBLE)
1323
1324 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \
1325 JNI_ENTRY_CHECKED(void, \
1326 checked_jni_SetStatic##Result##Field(JNIEnv *env, \
1327 jclass clazz, \
1328 jfieldID fieldID, \
1329 ValueType value)) \
1330 functionEnter(thr); \
1331 IN_VM( \
1332 jniCheck::validate_class(thr, clazz, false); \
1333 checkStaticFieldID(thr, fieldID, clazz, FieldType); \
1334 ) \
1335 UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \
1336 functionExit(env); \
1337 JNI_END
1338
1339 WRAPPER_SetStaticField(jobject, Object, T_OBJECT)
1340 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)
1341 WRAPPER_SetStaticField(jbyte, Byte, T_BYTE)
1342 WRAPPER_SetStaticField(jshort, Short, T_SHORT)
1343 WRAPPER_SetStaticField(jchar, Char, T_CHAR)
1344 WRAPPER_SetStaticField(jint, Int, T_INT)
1345 WRAPPER_SetStaticField(jlong, Long, T_LONG)
1346 WRAPPER_SetStaticField(jfloat, Float, T_FLOAT)
1347 WRAPPER_SetStaticField(jdouble, Double, T_DOUBLE)
1348
1349
1350 JNI_ENTRY_CHECKED(jstring,
1351 checked_jni_NewString(JNIEnv *env,
1352 const jchar *unicode,
1353 jsize len))
1354 functionEnter(thr);
1355 jstring result = UNCHECKED()->NewString(env,unicode,len);
1356 functionExit(env);
1357 return result;
1358 JNI_END
1359
1360 JNI_ENTRY_CHECKED(jsize,
1361 checked_jni_GetStringLength(JNIEnv *env,
1362 jstring str))
1363 functionEnter(thr);
1364 IN_VM(
1365 checkString(thr, str);
1366 )
1367 jsize result = UNCHECKED()->GetStringLength(env,str);
1368 functionExit(env);
1369 return result;
1370 JNI_END
1371
1372 // Arbitrary (but well-known) tag
1373 const void* STRING_TAG = (void*)0x47114711;
1374
1375 JNI_ENTRY_CHECKED(const jchar *,
1376 checked_jni_GetStringChars(JNIEnv *env,
1377 jstring str,
1378 jboolean *isCopy))
1379 functionEnter(thr);
1380 IN_VM(
1381 checkString(thr, str);
1382 )
1383 jchar* new_result = NULL;
1384 const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);
1385 assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");
1386 if (result != NULL) {
1387 size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination
1388 len *= sizeof(jchar);
1389 new_result = (jchar*) GuardedMemory::wrap_copy(result, len, STRING_TAG);
1390 if (new_result == NULL) {
1391 vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringChars");
1392 }
1393 // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes
1394 // Note that the dtrace arguments for the allocated memory will not match up with this solution.
1395 FreeHeap((char*)result);
1396 }
1397 functionExit(env);
1398 return new_result;
1399 JNI_END
1400
1401 JNI_ENTRY_CHECKED(void,
1402 checked_jni_ReleaseStringChars(JNIEnv *env,
1403 jstring str,
1404 const jchar *chars))
1405 functionEnterExceptionAllowed(thr);
1406 IN_VM(
1407 checkString(thr, str);
1408 )
1409 if (chars == NULL) {
1410 // still do the unchecked call to allow dtrace probes
1411 UNCHECKED()->ReleaseStringChars(env,str,chars);
1412 }
1413 else {
1414 GuardedMemory guarded((void*)chars);
1415 if ((!guarded.verify_guards()) || (guarded.get_tag() != STRING_TAG)) {
1416 NativeReportJNIFatalError(thr, "ReleaseStringChars called on something not allocated by GetStringChars");
1417 }
1418 UNCHECKED()->ReleaseStringChars(env, str, (const jchar*) guarded.release_for_freeing());
1419 }
1420 functionExit(env);
1421 JNI_END
1422
1423 JNI_ENTRY_CHECKED(jstring,
1424 checked_jni_NewStringUTF(JNIEnv *env,
1425 const char *utf))
1426 functionEnter(thr);
1427 jstring result = UNCHECKED()->NewStringUTF(env,utf);
1428 functionExit(env);
1429 return result;
1430 JNI_END
1431
1432 JNI_ENTRY_CHECKED(jsize,
1433 checked_jni_GetStringUTFLength(JNIEnv *env,
1434 jstring str))
1435 functionEnter(thr);
1436 IN_VM(
1437 checkString(thr, str);
1438 )
1439 jsize result = UNCHECKED()->GetStringUTFLength(env,str);
1440 functionExit(env);
1441 return result;
1442 JNI_END
1443
1444 // Arbitrary (but well-known) tag - different than GetStringChars
1445 const void* STRING_UTF_TAG = (void*) 0x48124812;
1446
1447 JNI_ENTRY_CHECKED(const char *,
1448 checked_jni_GetStringUTFChars(JNIEnv *env,
1449 jstring str,
1450 jboolean *isCopy))
1451 functionEnter(thr);
1452 IN_VM(
1453 checkString(thr, str);
1454 )
1455 char* new_result = NULL;
1456 const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);
1457 assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");
1458 if (result != NULL) {
1459 size_t len = strlen(result) + 1; // + 1 for NULL termination
1460 new_result = (char*) GuardedMemory::wrap_copy(result, len, STRING_UTF_TAG);
1461 if (new_result == NULL) {
1462 vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringUTFChars");
1463 }
1464 // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes
1465 // Note that the dtrace arguments for the allocated memory will not match up with this solution.
1466 FreeHeap((char*)result, mtInternal);
1467 }
1468 functionExit(env);
1469 return new_result;
1470 JNI_END
1471
1472 JNI_ENTRY_CHECKED(void,
1473 checked_jni_ReleaseStringUTFChars(JNIEnv *env,
1474 jstring str,
1475 const char* chars))
1476 functionEnterExceptionAllowed(thr);
1477 IN_VM(
1478 checkString(thr, str);
1479 )
1480 if (chars == NULL) {
1481 // still do the unchecked call to allow dtrace probes
1482 UNCHECKED()->ReleaseStringUTFChars(env,str,chars);
1483 }
1484 else {
1485 GuardedMemory guarded((void*)chars);
1486 if ((!guarded.verify_guards()) || (guarded.get_tag() != STRING_UTF_TAG)) {
1487 NativeReportJNIFatalError(thr, "ReleaseStringUTFChars called on something not allocated by GetStringUTFChars");
1488 }
1489 UNCHECKED()->ReleaseStringUTFChars(env,str,(const char*) guarded.release_for_freeing());
1490 }
1491 functionExit(env);
1492 JNI_END
1493
1494 JNI_ENTRY_CHECKED(jsize,
1495 checked_jni_GetArrayLength(JNIEnv *env,
1496 jarray array))
1497 functionEnter(thr);
1498 IN_VM(
1499 check_is_array(thr, array);
1500 )
1501 jsize result = UNCHECKED()->GetArrayLength(env,array);
1502 functionExit(env);
1503 return result;
1504 JNI_END
1505
1506 JNI_ENTRY_CHECKED(jobjectArray,
1507 checked_jni_NewObjectArray(JNIEnv *env,
1508 jsize len,
1509 jclass clazz,
1510 jobject init))
1511 functionEnter(thr);
1512 jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);
1513 functionExit(env);
1514 return result;
1515 JNI_END
1516
1517 JNI_ENTRY_CHECKED(jobject,
1518 checked_jni_GetObjectArrayElement(JNIEnv *env,
1519 jobjectArray array,
1520 jsize index))
1521 functionEnter(thr);
1522 IN_VM(
1523 check_is_obj_array(thr, array);
1524 )
1525 jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);
1526 functionExit(env);
1527 return result;
1528 JNI_END
1529
1530 JNI_ENTRY_CHECKED(void,
1531 checked_jni_SetObjectArrayElement(JNIEnv *env,
1532 jobjectArray array,
1533 jsize index,
1534 jobject val))
1535 functionEnter(thr);
1536 IN_VM(
1537 check_is_obj_array(thr, array);
1538 )
1539 UNCHECKED()->SetObjectArrayElement(env,array,index,val);
1540 functionExit(env);
1541 JNI_END
1542
1543 #define WRAPPER_NewScalarArray(Return, Result) \
1544 JNI_ENTRY_CHECKED(Return, \
1545 checked_jni_New##Result##Array(JNIEnv *env, \
1546 jsize len)) \
1547 functionEnter(thr); \
1548 Return result = UNCHECKED()->New##Result##Array(env,len); \
1549 functionExit(env); \
1550 return (Return) result; \
1551 JNI_END
1552
1553 WRAPPER_NewScalarArray(jbooleanArray, Boolean)
1554 WRAPPER_NewScalarArray(jbyteArray, Byte)
1555 WRAPPER_NewScalarArray(jshortArray, Short)
1556 WRAPPER_NewScalarArray(jcharArray, Char)
1557 WRAPPER_NewScalarArray(jintArray, Int)
1558 WRAPPER_NewScalarArray(jlongArray, Long)
1559 WRAPPER_NewScalarArray(jfloatArray, Float)
1560 WRAPPER_NewScalarArray(jdoubleArray, Double)
1561
1562 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \
1563 JNI_ENTRY_CHECKED(ElementType *, \
1564 checked_jni_Get##Result##ArrayElements(JNIEnv *env, \
1565 ElementType##Array array, \
1566 jboolean *isCopy)) \
1567 functionEnter(thr); \
1568 IN_VM( \
1569 check_primitive_array_type(thr, array, ElementTag); \
1570 ) \
1571 ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \
1572 array, \
1573 isCopy); \
1574 if (result != NULL) { \
1575 result = (ElementType *) check_jni_wrap_copy_array(thr, array, result); \
1576 } \
1577 functionExit(env); \
1578 return result; \
1579 JNI_END
1580
1581 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)
1582 WRAPPER_GetScalarArrayElements(T_BYTE, jbyte, Byte)
1583 WRAPPER_GetScalarArrayElements(T_SHORT, jshort, Short)
1584 WRAPPER_GetScalarArrayElements(T_CHAR, jchar, Char)
1585 WRAPPER_GetScalarArrayElements(T_INT, jint, Int)
1586 WRAPPER_GetScalarArrayElements(T_LONG, jlong, Long)
1587 WRAPPER_GetScalarArrayElements(T_FLOAT, jfloat, Float)
1588 WRAPPER_GetScalarArrayElements(T_DOUBLE, jdouble, Double)
1589
1590 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \
1591 JNI_ENTRY_CHECKED(void, \
1592 checked_jni_Release##Result##ArrayElements(JNIEnv *env, \
1593 ElementType##Array array, \
1594 ElementType *elems, \
1595 jint mode)) \
1596 functionEnterExceptionAllowed(thr); \
1597 IN_VM( \
1598 check_primitive_array_type(thr, array, ElementTag); \
1599 ASSERT_OOPS_ALLOWED; \
1600 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
1601 ) \
1602 ElementType* orig_result = (ElementType *) check_wrapped_array_release( \
1603 thr, "checked_jni_Release"#Result"ArrayElements", array, elems, mode); \
1604 UNCHECKED()->Release##Result##ArrayElements(env,array,orig_result,mode); \
1605 functionExit(env); \
1606 JNI_END
1607
1608 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)
1609 WRAPPER_ReleaseScalarArrayElements(T_BYTE, jbyte, Byte, byte)
1610 WRAPPER_ReleaseScalarArrayElements(T_SHORT, jshort, Short, short)
1611 WRAPPER_ReleaseScalarArrayElements(T_CHAR, jchar, Char, char)
1612 WRAPPER_ReleaseScalarArrayElements(T_INT, jint, Int, int)
1613 WRAPPER_ReleaseScalarArrayElements(T_LONG, jlong, Long, long)
1614 WRAPPER_ReleaseScalarArrayElements(T_FLOAT, jfloat, Float, float)
1615 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble, Double, double)
1616
1617 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \
1618 JNI_ENTRY_CHECKED(void, \
1619 checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \
1620 ElementType##Array array, \
1621 jsize start, \
1622 jsize len, \
1623 ElementType *buf)) \
1624 functionEnter(thr); \
1625 IN_VM( \
1626 check_primitive_array_type(thr, array, ElementTag); \
1627 ) \
1628 UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \
1629 functionExit(env); \
1630 JNI_END
1631
1632 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)
1633 WRAPPER_GetScalarArrayRegion(T_BYTE, jbyte, Byte)
1634 WRAPPER_GetScalarArrayRegion(T_SHORT, jshort, Short)
1635 WRAPPER_GetScalarArrayRegion(T_CHAR, jchar, Char)
1636 WRAPPER_GetScalarArrayRegion(T_INT, jint, Int)
1637 WRAPPER_GetScalarArrayRegion(T_LONG, jlong, Long)
1638 WRAPPER_GetScalarArrayRegion(T_FLOAT, jfloat, Float)
1639 WRAPPER_GetScalarArrayRegion(T_DOUBLE, jdouble, Double)
1640
1641 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \
1642 JNI_ENTRY_CHECKED(void, \
1643 checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \
1644 ElementType##Array array, \
1645 jsize start, \
1646 jsize len, \
1647 const ElementType *buf)) \
1648 functionEnter(thr); \
1649 IN_VM( \
1650 check_primitive_array_type(thr, array, ElementTag); \
1651 ) \
1652 UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \
1653 functionExit(env); \
1654 JNI_END
1655
1656 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)
1657 WRAPPER_SetScalarArrayRegion(T_BYTE, jbyte, Byte)
1658 WRAPPER_SetScalarArrayRegion(T_SHORT, jshort, Short)
1659 WRAPPER_SetScalarArrayRegion(T_CHAR, jchar, Char)
1660 WRAPPER_SetScalarArrayRegion(T_INT, jint, Int)
1661 WRAPPER_SetScalarArrayRegion(T_LONG, jlong, Long)
1662 WRAPPER_SetScalarArrayRegion(T_FLOAT, jfloat, Float)
1663 WRAPPER_SetScalarArrayRegion(T_DOUBLE, jdouble, Double)
1664
1665 JNI_ENTRY_CHECKED(jint,
1666 checked_jni_RegisterNatives(JNIEnv *env,
1667 jclass clazz,
1668 const JNINativeMethod *methods,
1669 jint nMethods))
1670 functionEnter(thr);
1671 jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);
1672 functionExit(env);
1673 return result;
1674 JNI_END
1675
1676 JNI_ENTRY_CHECKED(jint,
1677 checked_jni_UnregisterNatives(JNIEnv *env,
1678 jclass clazz))
1679 functionEnter(thr);
1680 jint result = UNCHECKED()->UnregisterNatives(env,clazz);
1681 functionExit(env);
1682 return result;
1683 JNI_END
1684
1685 JNI_ENTRY_CHECKED(jint,
1686 checked_jni_MonitorEnter(JNIEnv *env,
1687 jobject obj))
1688 functionEnter(thr);
1689 IN_VM(
1690 jniCheck::validate_object(thr, obj);
1691 )
1692 jint result = UNCHECKED()->MonitorEnter(env,obj);
1693 functionExit(env);
1694 return result;
1695 JNI_END
1696
1697 JNI_ENTRY_CHECKED(jint,
1698 checked_jni_MonitorExit(JNIEnv *env,
1699 jobject obj))
1700 functionEnterExceptionAllowed(thr);
1701 IN_VM(
1702 jniCheck::validate_object(thr, obj);
1703 )
1704 jint result = UNCHECKED()->MonitorExit(env,obj);
1705 functionExit(env);
1706 return result;
1707 JNI_END
1708
1709 JNI_ENTRY_CHECKED(jint,
1710 checked_jni_GetJavaVM(JNIEnv *env,
1711 JavaVM **vm))
1712 functionEnter(thr);
1713 jint result = UNCHECKED()->GetJavaVM(env,vm);
1714 functionExit(env);
1715 return result;
1716 JNI_END
1717
1718 JNI_ENTRY_CHECKED(void,
1719 checked_jni_GetStringRegion(JNIEnv *env,
1720 jstring str,
1721 jsize start,
1722 jsize len,
1723 jchar *buf))
1724 functionEnter(thr);
1725 IN_VM(
1726 checkString(thr, str);
1727 )
1728 UNCHECKED()->GetStringRegion(env, str, start, len, buf);
1729 functionExit(env);
1730 JNI_END
1731
1732 JNI_ENTRY_CHECKED(void,
1733 checked_jni_GetStringUTFRegion(JNIEnv *env,
1734 jstring str,
1735 jsize start,
1736 jsize len,
1737 char *buf))
1738 functionEnter(thr);
1739 IN_VM(
1740 checkString(thr, str);
1741 )
1742 UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);
1743 functionExit(env);
1744 JNI_END
1745
1746 JNI_ENTRY_CHECKED(void *,
1747 checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,
1748 jarray array,
1749 jboolean *isCopy))
1750 functionEnterCritical(thr);
1751 IN_VM(
1752 check_is_primitive_array(thr, array);
1753 )
1754 void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);
1755 if (result != NULL) {
1756 result = check_jni_wrap_copy_array(thr, array, result);
1757 }
1758 functionExit(env);
1759 return result;
1760 JNI_END
1761
1762 JNI_ENTRY_CHECKED(void,
1763 checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,
1764 jarray array,
1765 void *carray,
1766 jint mode))
1767 functionEnterCriticalExceptionAllowed(thr);
1768 IN_VM(
1769 check_is_primitive_array(thr, array);
1770 )
1771 // Check the element array...
1772 void* orig_result = check_wrapped_array_release(thr, "ReleasePrimitiveArrayCritical", array, carray, mode);
1773 UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, orig_result, mode);
1774 functionExit(env);
1775 JNI_END
1776
1777 JNI_ENTRY_CHECKED(const jchar*,
1778 checked_jni_GetStringCritical(JNIEnv *env,
1779 jstring string,
1780 jboolean *isCopy))
1781 functionEnterCritical(thr);
1782 IN_VM(
1783 checkString(thr, string);
1784 )
1785 const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);
1786 functionExit(env);
1787 return result;
1788 JNI_END
1789
1790 JNI_ENTRY_CHECKED(void,
1791 checked_jni_ReleaseStringCritical(JNIEnv *env,
1792 jstring str,
1793 const jchar *chars))
1794 functionEnterCriticalExceptionAllowed(thr);
1795 IN_VM(
1796 checkString(thr, str);
1797 )
1798 /* The Hotspot JNI code does not use the parameters, so just check the
1799 * string parameter as a minor sanity check
1800 */
1801 UNCHECKED()->ReleaseStringCritical(env, str, chars);
1802 functionExit(env);
1803 JNI_END
1804
1805 JNI_ENTRY_CHECKED(jweak,
1806 checked_jni_NewWeakGlobalRef(JNIEnv *env,
1807 jobject obj))
1808 functionEnter(thr);
1809 IN_VM(
1810 if (obj != NULL) {
1811 jniCheck::validate_handle(thr, obj);
1812 }
1813 )
1814 jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);
1815 functionExit(env);
1816 return result;
1817 JNI_END
1818
1819 JNI_ENTRY_CHECKED(void,
1820 checked_jni_DeleteWeakGlobalRef(JNIEnv *env,
1821 jweak ref))
1822 functionEnterExceptionAllowed(thr);
1823 UNCHECKED()->DeleteWeakGlobalRef(env, ref);
1824 functionExit(env);
1825 JNI_END
1826
1827 JNI_ENTRY_CHECKED(jboolean,
1828 checked_jni_ExceptionCheck(JNIEnv *env))
1829 functionEnterExceptionAllowed(thr);
1830 jboolean result = UNCHECKED()->ExceptionCheck(env);
1831 functionExit(env);
1832 return result;
1833 JNI_END
1834
1835 JNI_ENTRY_CHECKED(jobject,
1836 checked_jni_NewDirectByteBuffer(JNIEnv *env,
1837 void *address,
1838 jlong capacity))
1839 functionEnter(thr);
1840 jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);
1841 functionExit(env);
1842 return result;
1843 JNI_END
1844
1845 JNI_ENTRY_CHECKED(void *,
1846 checked_jni_GetDirectBufferAddress(JNIEnv *env,
1847 jobject buf))
1848 functionEnter(thr);
1849 void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);
1850 functionExit(env);
1851 return result;
1852 JNI_END
1853
1854 JNI_ENTRY_CHECKED(jlong,
1855 checked_jni_GetDirectBufferCapacity(JNIEnv *env,
1856 jobject buf))
1857 functionEnter(thr);
1858 jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);
1859 functionExit(env);
1860 return result;
1861 JNI_END
1862
1863 JNI_ENTRY_CHECKED(jobjectRefType,
1864 checked_jni_GetObjectRefType(JNIEnv *env,
1865 jobject obj))
1866 functionEnter(thr);
1867 /* validate the object being passed */
1868 IN_VM(
1869 jniCheck::validate_object(thr, obj);
1870 )
1871 jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);
1872 functionExit(env);
1873 return result;
1874 JNI_END
1875
1876
1877 JNI_ENTRY_CHECKED(jint,
1878 checked_jni_GetVersion(JNIEnv *env))
1879 functionEnter(thr);
1880 jint result = UNCHECKED()->GetVersion(env);
1881 functionExit(env);
1882 return result;
1883 JNI_END
1884
1885
1886
1887 /*
1888 * Structure containing all checked jni functions
1889 */
1890 struct JNINativeInterface_ checked_jni_NativeInterface = {
1891 NULL,
1892 NULL,
1893 NULL,
1894
1895 NULL,
1896
1897 checked_jni_GetVersion,
1898
1899 checked_jni_DefineClass,
1900 checked_jni_FindClass,
1901
1902 checked_jni_FromReflectedMethod,
1903 checked_jni_FromReflectedField,
1904
1905 checked_jni_ToReflectedMethod,
1906
1907 checked_jni_GetSuperclass,
1908 checked_jni_IsAssignableFrom,
1909
1910 checked_jni_ToReflectedField,
1911
1912 checked_jni_Throw,
1913 checked_jni_ThrowNew,
1914 checked_jni_ExceptionOccurred,
1915 checked_jni_ExceptionDescribe,
1916 checked_jni_ExceptionClear,
1917 checked_jni_FatalError,
1918
1919 checked_jni_PushLocalFrame,
1920 checked_jni_PopLocalFrame,
1921
1922 checked_jni_NewGlobalRef,
1923 checked_jni_DeleteGlobalRef,
1924 checked_jni_DeleteLocalRef,
1925 checked_jni_IsSameObject,
1926
1927 checked_jni_NewLocalRef,
1928 checked_jni_EnsureLocalCapacity,
1929
1930 checked_jni_AllocObject,
1931 checked_jni_NewObject,
1932 checked_jni_NewObjectV,
1933 checked_jni_NewObjectA,
1934
1935 checked_jni_GetObjectClass,
1936 checked_jni_IsInstanceOf,
1937
1938 checked_jni_GetMethodID,
1939
1940 checked_jni_CallObjectMethod,
1941 checked_jni_CallObjectMethodV,
1942 checked_jni_CallObjectMethodA,
1943 checked_jni_CallBooleanMethod,
1944 checked_jni_CallBooleanMethodV,
1945 checked_jni_CallBooleanMethodA,
1946 checked_jni_CallByteMethod,
1947 checked_jni_CallByteMethodV,
1948 checked_jni_CallByteMethodA,
1949 checked_jni_CallCharMethod,
1950 checked_jni_CallCharMethodV,
1951 checked_jni_CallCharMethodA,
1952 checked_jni_CallShortMethod,
1953 checked_jni_CallShortMethodV,
1954 checked_jni_CallShortMethodA,
1955 checked_jni_CallIntMethod,
1956 checked_jni_CallIntMethodV,
1957 checked_jni_CallIntMethodA,
1958 checked_jni_CallLongMethod,
1959 checked_jni_CallLongMethodV,
1960 checked_jni_CallLongMethodA,
1961 checked_jni_CallFloatMethod,
1962 checked_jni_CallFloatMethodV,
1963 checked_jni_CallFloatMethodA,
1964 checked_jni_CallDoubleMethod,
1965 checked_jni_CallDoubleMethodV,
1966 checked_jni_CallDoubleMethodA,
1967 checked_jni_CallVoidMethod,
1968 checked_jni_CallVoidMethodV,
1969 checked_jni_CallVoidMethodA,
1970
1971 checked_jni_CallNonvirtualObjectMethod,
1972 checked_jni_CallNonvirtualObjectMethodV,
1973 checked_jni_CallNonvirtualObjectMethodA,
1974 checked_jni_CallNonvirtualBooleanMethod,
1975 checked_jni_CallNonvirtualBooleanMethodV,
1976 checked_jni_CallNonvirtualBooleanMethodA,
1977 checked_jni_CallNonvirtualByteMethod,
1978 checked_jni_CallNonvirtualByteMethodV,
1979 checked_jni_CallNonvirtualByteMethodA,
1980 checked_jni_CallNonvirtualCharMethod,
1981 checked_jni_CallNonvirtualCharMethodV,
1982 checked_jni_CallNonvirtualCharMethodA,
1983 checked_jni_CallNonvirtualShortMethod,
1984 checked_jni_CallNonvirtualShortMethodV,
1985 checked_jni_CallNonvirtualShortMethodA,
1986 checked_jni_CallNonvirtualIntMethod,
1987 checked_jni_CallNonvirtualIntMethodV,
1988 checked_jni_CallNonvirtualIntMethodA,
1989 checked_jni_CallNonvirtualLongMethod,
1990 checked_jni_CallNonvirtualLongMethodV,
1991 checked_jni_CallNonvirtualLongMethodA,
1992 checked_jni_CallNonvirtualFloatMethod,
1993 checked_jni_CallNonvirtualFloatMethodV,
1994 checked_jni_CallNonvirtualFloatMethodA,
1995 checked_jni_CallNonvirtualDoubleMethod,
1996 checked_jni_CallNonvirtualDoubleMethodV,
1997 checked_jni_CallNonvirtualDoubleMethodA,
1998 checked_jni_CallNonvirtualVoidMethod,
1999 checked_jni_CallNonvirtualVoidMethodV,
2000 checked_jni_CallNonvirtualVoidMethodA,
2001
2002 checked_jni_GetFieldID,
2003
2004 checked_jni_GetObjectField,
2005 checked_jni_GetBooleanField,
2006 checked_jni_GetByteField,
2007 checked_jni_GetCharField,
2008 checked_jni_GetShortField,
2009 checked_jni_GetIntField,
2010 checked_jni_GetLongField,
2011 checked_jni_GetFloatField,
2012 checked_jni_GetDoubleField,
2013
2014 checked_jni_SetObjectField,
2015 checked_jni_SetBooleanField,
2016 checked_jni_SetByteField,
2017 checked_jni_SetCharField,
2018 checked_jni_SetShortField,
2019 checked_jni_SetIntField,
2020 checked_jni_SetLongField,
2021 checked_jni_SetFloatField,
2022 checked_jni_SetDoubleField,
2023
2024 checked_jni_GetStaticMethodID,
2025
2026 checked_jni_CallStaticObjectMethod,
2027 checked_jni_CallStaticObjectMethodV,
2028 checked_jni_CallStaticObjectMethodA,
2029 checked_jni_CallStaticBooleanMethod,
2030 checked_jni_CallStaticBooleanMethodV,
2031 checked_jni_CallStaticBooleanMethodA,
2032 checked_jni_CallStaticByteMethod,
2033 checked_jni_CallStaticByteMethodV,
2034 checked_jni_CallStaticByteMethodA,
2035 checked_jni_CallStaticCharMethod,
2036 checked_jni_CallStaticCharMethodV,
2037 checked_jni_CallStaticCharMethodA,
2038 checked_jni_CallStaticShortMethod,
2039 checked_jni_CallStaticShortMethodV,
2040 checked_jni_CallStaticShortMethodA,
2041 checked_jni_CallStaticIntMethod,
2042 checked_jni_CallStaticIntMethodV,
2043 checked_jni_CallStaticIntMethodA,
2044 checked_jni_CallStaticLongMethod,
2045 checked_jni_CallStaticLongMethodV,
2046 checked_jni_CallStaticLongMethodA,
2047 checked_jni_CallStaticFloatMethod,
2048 checked_jni_CallStaticFloatMethodV,
2049 checked_jni_CallStaticFloatMethodA,
2050 checked_jni_CallStaticDoubleMethod,
2051 checked_jni_CallStaticDoubleMethodV,
2052 checked_jni_CallStaticDoubleMethodA,
2053 checked_jni_CallStaticVoidMethod,
2054 checked_jni_CallStaticVoidMethodV,
2055 checked_jni_CallStaticVoidMethodA,
2056
2057 checked_jni_GetStaticFieldID,
2058
2059 checked_jni_GetStaticObjectField,
2060 checked_jni_GetStaticBooleanField,
2061 checked_jni_GetStaticByteField,
2062 checked_jni_GetStaticCharField,
2063 checked_jni_GetStaticShortField,
2064 checked_jni_GetStaticIntField,
2065 checked_jni_GetStaticLongField,
2066 checked_jni_GetStaticFloatField,
2067 checked_jni_GetStaticDoubleField,
2068
2069 checked_jni_SetStaticObjectField,
2070 checked_jni_SetStaticBooleanField,
2071 checked_jni_SetStaticByteField,
2072 checked_jni_SetStaticCharField,
2073 checked_jni_SetStaticShortField,
2074 checked_jni_SetStaticIntField,
2075 checked_jni_SetStaticLongField,
2076 checked_jni_SetStaticFloatField,
2077 checked_jni_SetStaticDoubleField,
2078
2079 checked_jni_NewString,
2080 checked_jni_GetStringLength,
2081 checked_jni_GetStringChars,
2082 checked_jni_ReleaseStringChars,
2083
2084 checked_jni_NewStringUTF,
2085 checked_jni_GetStringUTFLength,
2086 checked_jni_GetStringUTFChars,
2087 checked_jni_ReleaseStringUTFChars,
2088
2089 checked_jni_GetArrayLength,
2090
2091 checked_jni_NewObjectArray,
2092 checked_jni_GetObjectArrayElement,
2093 checked_jni_SetObjectArrayElement,
2094
2095 checked_jni_NewBooleanArray,
2096 checked_jni_NewByteArray,
2097 checked_jni_NewCharArray,
2098 checked_jni_NewShortArray,
2099 checked_jni_NewIntArray,
2100 checked_jni_NewLongArray,
2101 checked_jni_NewFloatArray,
2102 checked_jni_NewDoubleArray,
2103
2104 checked_jni_GetBooleanArrayElements,
2105 checked_jni_GetByteArrayElements,
2106 checked_jni_GetCharArrayElements,
2107 checked_jni_GetShortArrayElements,
2108 checked_jni_GetIntArrayElements,
2109 checked_jni_GetLongArrayElements,
2110 checked_jni_GetFloatArrayElements,
2111 checked_jni_GetDoubleArrayElements,
2112
2113 checked_jni_ReleaseBooleanArrayElements,
2114 checked_jni_ReleaseByteArrayElements,
2115 checked_jni_ReleaseCharArrayElements,
2116 checked_jni_ReleaseShortArrayElements,
2117 checked_jni_ReleaseIntArrayElements,
2118 checked_jni_ReleaseLongArrayElements,
2119 checked_jni_ReleaseFloatArrayElements,
2120 checked_jni_ReleaseDoubleArrayElements,
2121
2122 checked_jni_GetBooleanArrayRegion,
2123 checked_jni_GetByteArrayRegion,
2124 checked_jni_GetCharArrayRegion,
2125 checked_jni_GetShortArrayRegion,
2126 checked_jni_GetIntArrayRegion,
2127 checked_jni_GetLongArrayRegion,
2128 checked_jni_GetFloatArrayRegion,
2129 checked_jni_GetDoubleArrayRegion,
2130
2131 checked_jni_SetBooleanArrayRegion,
2132 checked_jni_SetByteArrayRegion,
2133 checked_jni_SetCharArrayRegion,
2134 checked_jni_SetShortArrayRegion,
2135 checked_jni_SetIntArrayRegion,
2136 checked_jni_SetLongArrayRegion,
2137 checked_jni_SetFloatArrayRegion,
2138 checked_jni_SetDoubleArrayRegion,
2139
2140 checked_jni_RegisterNatives,
2141 checked_jni_UnregisterNatives,
2142
2143 checked_jni_MonitorEnter,
2144 checked_jni_MonitorExit,
2145
2146 checked_jni_GetJavaVM,
2147
2148 checked_jni_GetStringRegion,
2149 checked_jni_GetStringUTFRegion,
2150
2151 checked_jni_GetPrimitiveArrayCritical,
2152 checked_jni_ReleasePrimitiveArrayCritical,
2153
2154 checked_jni_GetStringCritical,
2155 checked_jni_ReleaseStringCritical,
2156
2157 checked_jni_NewWeakGlobalRef,
2158 checked_jni_DeleteWeakGlobalRef,
2159
2160 checked_jni_ExceptionCheck,
2161
2162 checked_jni_NewDirectByteBuffer,
2163 checked_jni_GetDirectBufferAddress,
2164 checked_jni_GetDirectBufferCapacity,
2165
2166 // New 1.6 Features
2167
2168 checked_jni_GetObjectRefType
2169 };
2170
2171
2172 // Returns the function structure
2173 struct JNINativeInterface_* jni_functions_check() {
2174
2175 unchecked_jni_NativeInterface = jni_functions_nocheck();
2176
2177 // make sure the last pointer in the checked table is not null, indicating
2178 // an addition to the JNINativeInterface_ structure without initializing
2179 // it in the checked table.
2180 debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \
2181 sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)
2182 assert(*lastPtr != 0,
2183 "Mismatched JNINativeInterface tables, check for new entries");
2184
2185 // with -verbose:jni this message will print
2186 if (PrintJNIResolving) {
2187 tty->print_cr("Checked JNI functions are being used to " \
2188 "validate JNI usage");
2189 }
2190
2191 return &checked_jni_NativeInterface;
2192 }