Mercurial > hg > graal-compiler
annotate src/share/vm/prims/jniCheck.cpp @ 8960:0ba33199edc0
invokedynamic: constant fold call site target with assumption; minor fixes
author | Andreas Woess <andreas.woess@jku.at> |
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date | Tue, 09 Apr 2013 20:37:06 +0200 |
parents | 070d523b96a7 |
children | 39deebbc90b3 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 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" | |
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30 #include "oops/symbol.hpp" |
1972 | 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 | |
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48 #ifdef TARGET_ARCH_arm |
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49 # include "jniTypes_arm.hpp" |
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50 #endif |
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51 #ifdef TARGET_ARCH_ppc |
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52 # include "jniTypes_ppc.hpp" |
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53 #endif |
0 | 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 } \ | |
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110 VM_ENTRY_BASE(result_type, header, thr) |
0 | 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"; | |
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126 static const char * fatal_non_weak_method = "non-weak methodID passed to JNI call"; |
0 | 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_non_array = "Non-array passed to JNI array operations"; | |
130 static const char * fatal_element_type_mismatch = "Array element type mismatch in JNI"; | |
131 static const char * fatal_should_be_static = "Non-static field ID passed to JNI"; | |
132 static const char * fatal_wrong_static_field = "Wrong static field ID passed to JNI"; | |
133 static const char * fatal_static_field_not_found = "Static field not found in JNI get/set field operations"; | |
134 static const char * fatal_static_field_mismatch = "Field type (static) mismatch in JNI get/set field operations"; | |
135 static const char * fatal_should_be_nonstatic = "Static field ID passed to JNI"; | |
136 static const char * fatal_null_object = "Null object passed to JNI"; | |
137 static const char * fatal_wrong_field = "Wrong field ID passed to JNI"; | |
138 static const char * fatal_instance_field_not_found = "Instance field not found in JNI get/set field operations"; | |
139 static const char * fatal_instance_field_mismatch = "Field type (instance) mismatch in JNI get/set field operations"; | |
140 static const char * fatal_non_string = "JNI string operation received a non-string"; | |
141 | |
142 | |
143 // When in VM state: | |
144 static void ReportJNIWarning(JavaThread* thr, const char *msg) { | |
145 tty->print_cr("WARNING in native method: %s", msg); | |
146 thr->print_stack(); | |
147 } | |
148 | |
149 // When in NATIVE state: | |
150 static void NativeReportJNIFatalError(JavaThread* thr, const char *msg) { | |
151 IN_VM( | |
152 ReportJNIFatalError(thr, msg); | |
153 ) | |
154 } | |
155 | |
156 static void NativeReportJNIWarning(JavaThread* thr, const char *msg) { | |
157 IN_VM( | |
158 ReportJNIWarning(thr, msg); | |
159 ) | |
160 } | |
161 | |
162 | |
163 | |
164 | |
165 /* | |
166 * SUPPORT FUNCTIONS | |
167 */ | |
168 | |
169 static inline void | |
170 functionEnterCritical(JavaThread* thr) | |
171 { | |
172 if (thr->has_pending_exception()) { | |
173 NativeReportJNIWarning(thr, "JNI call made with exception pending"); | |
174 } | |
175 } | |
176 | |
177 static inline void | |
178 functionEnterCriticalExceptionAllowed(JavaThread* thr) | |
179 { | |
180 } | |
181 | |
182 static inline void | |
183 functionEnter(JavaThread* thr) | |
184 { | |
185 if (thr->in_critical()) { | |
186 tty->print_cr(warn_other_function_in_critical); | |
187 } | |
188 if (thr->has_pending_exception()) { | |
189 NativeReportJNIWarning(thr, "JNI call made with exception pending"); | |
190 } | |
191 } | |
192 | |
193 static inline void | |
194 functionEnterExceptionAllowed(JavaThread* thr) | |
195 { | |
196 if (thr->in_critical()) { | |
197 tty->print_cr(warn_other_function_in_critical); | |
198 } | |
199 } | |
200 | |
201 static inline void | |
202 functionExit(JNIEnv *env) | |
203 { | |
204 /* nothing to do at this time */ | |
205 } | |
206 | |
207 static inline void | |
208 checkStaticFieldID(JavaThread* thr, jfieldID fid, jclass cls, int ftype) | |
209 { | |
210 fieldDescriptor fd; | |
211 | |
212 /* make sure it is a static field */ | |
213 if (!jfieldIDWorkaround::is_static_jfieldID(fid)) | |
214 ReportJNIFatalError(thr, fatal_should_be_static); | |
215 | |
216 /* validate the class being passed */ | |
217 ASSERT_OOPS_ALLOWED; | |
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218 Klass* k_oop = jniCheck::validate_class(thr, cls, false); |
0 | 219 |
220 /* check for proper subclass hierarchy */ | |
221 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fid); | |
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222 Klass* f_oop = id->holder(); |
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223 if (!InstanceKlass::cast(k_oop)->is_subtype_of(f_oop)) |
0 | 224 ReportJNIFatalError(thr, fatal_wrong_static_field); |
225 | |
226 /* check for proper field type */ | |
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227 if (!id->find_local_field(&fd)) |
0 | 228 ReportJNIFatalError(thr, fatal_static_field_not_found); |
229 if ((fd.field_type() != ftype) && | |
230 !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) { | |
231 ReportJNIFatalError(thr, fatal_static_field_mismatch); | |
232 } | |
233 } | |
234 | |
235 static inline void | |
236 checkInstanceFieldID(JavaThread* thr, jfieldID fid, jobject obj, int ftype) | |
237 { | |
238 fieldDescriptor fd; | |
239 | |
240 /* make sure it is an instance field */ | |
241 if (jfieldIDWorkaround::is_static_jfieldID(fid)) | |
242 ReportJNIFatalError(thr, fatal_should_be_nonstatic); | |
243 | |
244 /* validate the object being passed and then get its class */ | |
245 ASSERT_OOPS_ALLOWED; | |
246 oop oopObj = jniCheck::validate_object(thr, obj); | |
247 if (!oopObj) { | |
248 ReportJNIFatalError(thr, fatal_null_object); | |
249 } | |
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250 Klass* k_oop = oopObj->klass(); |
0 | 251 |
252 if (!jfieldIDWorkaround::is_valid_jfieldID(k_oop, fid)) { | |
253 ReportJNIFatalError(thr, fatal_wrong_field); | |
254 } | |
255 | |
256 /* make sure the field exists */ | |
257 int offset = jfieldIDWorkaround::from_instance_jfieldID(k_oop, fid); | |
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258 if (!InstanceKlass::cast(k_oop)->contains_field_offset(offset)) |
0 | 259 ReportJNIFatalError(thr, fatal_wrong_field); |
260 | |
261 /* check for proper field type */ | |
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262 if (!InstanceKlass::cast(k_oop)->find_field_from_offset(offset, |
0 | 263 false, &fd)) |
264 ReportJNIFatalError(thr, fatal_instance_field_not_found); | |
265 | |
266 if ((fd.field_type() != ftype) && | |
267 !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) { | |
268 ReportJNIFatalError(thr, fatal_instance_field_mismatch); | |
269 } | |
270 } | |
271 | |
272 static inline void | |
273 checkString(JavaThread* thr, jstring js) | |
274 { | |
275 ASSERT_OOPS_ALLOWED; | |
276 oop s = jniCheck::validate_object(thr, js); | |
277 if (!s || !java_lang_String::is_instance(s)) | |
278 ReportJNIFatalError(thr, fatal_non_string); | |
279 } | |
280 | |
281 static inline void | |
282 checkArray(JavaThread* thr, jarray jArray, int elementType) | |
283 { | |
284 ASSERT_OOPS_ALLOWED; | |
285 arrayOop aOop; | |
286 | |
287 aOop = (arrayOop)jniCheck::validate_object(thr, jArray); | |
288 if (aOop == NULL || !aOop->is_array()) | |
289 ReportJNIFatalError(thr, fatal_non_array); | |
290 | |
291 if (elementType != -1) { | |
292 if (aOop->is_typeArray()) { | |
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293 BasicType array_type = TypeArrayKlass::cast(aOop->klass())->element_type(); |
0 | 294 if (array_type != elementType) |
295 ReportJNIFatalError(thr, fatal_element_type_mismatch); | |
296 } else if (aOop->is_objArray()) { | |
297 if ( T_OBJECT != elementType) | |
298 ReportJNIFatalError(thr, fatal_object_array_expected); | |
299 } else { | |
300 ReportJNIFatalError(thr, fatal_unknown_array_object); | |
301 } | |
302 } | |
303 } | |
304 | |
305 | |
306 oop jniCheck::validate_handle(JavaThread* thr, jobject obj) { | |
307 if (JNIHandles::is_frame_handle(thr, obj) || | |
308 JNIHandles::is_local_handle(thr, obj) || | |
309 JNIHandles::is_global_handle(obj) || | |
310 JNIHandles::is_weak_global_handle(obj)) { | |
311 ASSERT_OOPS_ALLOWED; | |
312 return JNIHandles::resolve_external_guard(obj); | |
313 } | |
314 ReportJNIFatalError(thr, fatal_bad_ref_to_jni); | |
315 return NULL; | |
316 } | |
317 | |
318 | |
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319 Method* jniCheck::validate_jmethod_id(JavaThread* thr, jmethodID method_id) { |
0 | 320 ASSERT_OOPS_ALLOWED; |
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321 // do the fast jmethodID check first |
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322 Method* moop = Method::checked_resolve_jmethod_id(method_id); |
0 | 323 if (moop == NULL) { |
324 ReportJNIFatalError(thr, fatal_wrong_class_or_method); | |
325 } | |
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326 // jmethodIDs are supposed to be weak handles in the class loader data, |
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327 // but that can be expensive so check it last |
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328 else if (!Method::is_method_id(method_id)) { |
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329 ReportJNIFatalError(thr, fatal_non_weak_method); |
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330 } |
0 | 331 return moop; |
332 } | |
333 | |
334 | |
335 oop jniCheck::validate_object(JavaThread* thr, jobject obj) { | |
336 if (!obj) | |
337 return NULL; | |
338 ASSERT_OOPS_ALLOWED; | |
339 oop oopObj = jniCheck::validate_handle(thr, obj); | |
340 if (!oopObj) { | |
341 ReportJNIFatalError(thr, fatal_bad_ref_to_jni); | |
342 } | |
343 return oopObj; | |
344 } | |
345 | |
346 // Warn if a class descriptor is in decorated form; class descriptors | |
347 // passed to JNI findClass should not be decorated unless they are | |
348 // array descriptors. | |
349 void jniCheck::validate_class_descriptor(JavaThread* thr, const char* name) { | |
350 if (name == NULL) return; // implementation accepts NULL so just return | |
351 | |
352 size_t len = strlen(name); | |
353 | |
354 if (len >= 2 && | |
355 name[0] == JVM_SIGNATURE_CLASS && // 'L' | |
356 name[len-1] == JVM_SIGNATURE_ENDCLASS ) { // ';' | |
357 char msg[JVM_MAXPATHLEN]; | |
358 jio_snprintf(msg, JVM_MAXPATHLEN, warn_bad_class_descriptor, name); | |
359 ReportJNIWarning(thr, msg); | |
360 } | |
361 } | |
362 | |
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363 Klass* jniCheck::validate_class(JavaThread* thr, jclass clazz, bool allow_primitive) { |
0 | 364 ASSERT_OOPS_ALLOWED; |
365 oop mirror = jniCheck::validate_handle(thr, clazz); | |
366 if (!mirror) { | |
367 ReportJNIFatalError(thr, fatal_received_null_class); | |
368 } | |
369 | |
1142 | 370 if (mirror->klass() != SystemDictionary::Class_klass()) { |
0 | 371 ReportJNIFatalError(thr, fatal_class_not_a_class); |
372 } | |
373 | |
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374 Klass* k = java_lang_Class::as_Klass(mirror); |
0 | 375 // Make allowances for primitive classes ... |
376 if (!(k != NULL || allow_primitive && java_lang_Class::is_primitive(mirror))) { | |
377 ReportJNIFatalError(thr, fatal_class_not_a_class); | |
378 } | |
379 return k; | |
380 } | |
381 | |
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382 void jniCheck::validate_throwable_klass(JavaThread* thr, Klass* klass) { |
0 | 383 ASSERT_OOPS_ALLOWED; |
384 assert(klass != NULL, "klass argument must have a value"); | |
385 | |
6983 | 386 if (!klass->oop_is_instance() || |
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387 !InstanceKlass::cast(klass)->is_subclass_of(SystemDictionary::Throwable_klass())) { |
0 | 388 ReportJNIFatalError(thr, fatal_class_not_a_throwable_class); |
389 } | |
390 } | |
391 | |
392 void jniCheck::validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id) { | |
393 /* validate the object being passed */ | |
394 ASSERT_OOPS_ALLOWED; | |
395 jniCheck::validate_jmethod_id(thr, method_id); | |
396 jniCheck::validate_object(thr, obj); | |
397 } | |
398 | |
399 void jniCheck::validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id) { | |
400 /* validate the class being passed */ | |
401 ASSERT_OOPS_ALLOWED; | |
402 jniCheck::validate_jmethod_id(thr, method_id); | |
403 jniCheck::validate_class(thr, clazz, false); | |
404 } | |
405 | |
406 | |
407 /* | |
408 * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE | |
409 */ | |
410 | |
411 JNI_ENTRY_CHECKED(jclass, | |
412 checked_jni_DefineClass(JNIEnv *env, | |
413 const char *name, | |
414 jobject loader, | |
415 const jbyte *buf, | |
416 jsize len)) | |
417 functionEnter(thr); | |
418 IN_VM( | |
419 jniCheck::validate_object(thr, loader); | |
420 ) | |
421 jclass result = UNCHECKED()->DefineClass(env, name, loader, buf, len); | |
422 functionExit(env); | |
423 return result; | |
424 JNI_END | |
425 | |
426 JNI_ENTRY_CHECKED(jclass, | |
427 checked_jni_FindClass(JNIEnv *env, | |
428 const char *name)) | |
429 functionEnter(thr); | |
430 IN_VM( | |
431 jniCheck::validate_class_descriptor(thr, name); | |
432 ) | |
433 jclass result = UNCHECKED()->FindClass(env, name); | |
434 functionExit(env); | |
435 return result; | |
436 JNI_END | |
437 | |
438 JNI_ENTRY_CHECKED(jmethodID, | |
439 checked_jni_FromReflectedMethod(JNIEnv *env, | |
440 jobject method)) | |
441 functionEnter(thr); | |
442 IN_VM( | |
443 jniCheck::validate_object(thr, method); | |
444 ) | |
445 jmethodID result = UNCHECKED()->FromReflectedMethod(env, method); | |
446 functionExit(env); | |
447 return result; | |
448 JNI_END | |
449 | |
450 JNI_ENTRY_CHECKED(jfieldID, | |
451 checked_jni_FromReflectedField(JNIEnv *env, | |
452 jobject field)) | |
453 functionEnter(thr); | |
454 IN_VM( | |
455 jniCheck::validate_object(thr, field); | |
456 ) | |
457 jfieldID result = UNCHECKED()->FromReflectedField(env, field); | |
458 functionExit(env); | |
459 return result; | |
460 JNI_END | |
461 | |
462 JNI_ENTRY_CHECKED(jobject, | |
463 checked_jni_ToReflectedMethod(JNIEnv *env, | |
464 jclass cls, | |
465 jmethodID methodID, | |
466 jboolean isStatic)) | |
467 functionEnter(thr); | |
468 IN_VM( | |
469 jniCheck::validate_class(thr, cls, false); | |
470 jniCheck::validate_jmethod_id(thr, methodID); | |
471 ) | |
472 jobject result = UNCHECKED()->ToReflectedMethod(env, cls, methodID, | |
473 isStatic); | |
474 functionExit(env); | |
475 return result; | |
476 JNI_END | |
477 | |
478 JNI_ENTRY_CHECKED(jclass, | |
479 checked_jni_GetSuperclass(JNIEnv *env, | |
480 jclass sub)) | |
481 functionEnter(thr); | |
482 IN_VM( | |
483 jniCheck::validate_class(thr, sub, true); | |
484 ) | |
485 jclass result = UNCHECKED()->GetSuperclass(env, sub); | |
486 functionExit(env); | |
487 return result; | |
488 JNI_END | |
489 | |
490 JNI_ENTRY_CHECKED(jboolean, | |
491 checked_jni_IsAssignableFrom(JNIEnv *env, | |
492 jclass sub, | |
493 jclass sup)) | |
494 functionEnter(thr); | |
495 IN_VM( | |
496 jniCheck::validate_class(thr, sub, true); | |
497 jniCheck::validate_class(thr, sup, true); | |
498 ) | |
499 jboolean result = UNCHECKED()->IsAssignableFrom(env, sub, sup); | |
500 functionExit(env); | |
501 return result; | |
502 JNI_END | |
503 | |
504 JNI_ENTRY_CHECKED(jobject, | |
505 checked_jni_ToReflectedField(JNIEnv *env, | |
506 jclass cls, | |
507 jfieldID fieldID, | |
508 jboolean isStatic)) | |
509 functionEnter(thr); | |
510 IN_VM( | |
511 jniCheck::validate_class(thr, cls, false); | |
512 ) | |
513 jobject result = UNCHECKED()->ToReflectedField(env, cls, fieldID, | |
514 isStatic); | |
515 functionExit(env); | |
516 return result; | |
517 JNI_END | |
518 | |
519 JNI_ENTRY_CHECKED(jint, | |
520 checked_jni_Throw(JNIEnv *env, | |
521 jthrowable obj)) | |
522 functionEnter(thr); | |
523 IN_VM( | |
524 oop oopObj = jniCheck::validate_object(thr, obj); | |
525 if (oopObj == NULL) { | |
526 // Unchecked Throw tolerates a NULL obj, so just warn | |
527 ReportJNIWarning(thr, "JNI Throw called with NULL throwable"); | |
528 } else { | |
529 jniCheck::validate_throwable_klass(thr, oopObj->klass()); | |
530 } | |
531 ) | |
532 jint result = UNCHECKED()->Throw(env, obj); | |
533 functionExit(env); | |
534 return result; | |
535 JNI_END | |
536 | |
537 JNI_ENTRY_CHECKED(jint, | |
538 checked_jni_ThrowNew(JNIEnv *env, | |
539 jclass clazz, | |
540 const char *msg)) | |
541 functionEnter(thr); | |
542 IN_VM( | |
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543 Klass* k = jniCheck::validate_class(thr, clazz, false); |
da91efe96a93
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544 assert(k != NULL, "validate_class shouldn't return NULL Klass*"); |
0 | 545 jniCheck::validate_throwable_klass(thr, k); |
546 ) | |
547 jint result = UNCHECKED()->ThrowNew(env, clazz, msg); | |
548 functionExit(env); | |
549 return result; | |
550 JNI_END | |
551 | |
552 JNI_ENTRY_CHECKED(jthrowable, | |
553 checked_jni_ExceptionOccurred(JNIEnv *env)) | |
554 functionEnterExceptionAllowed(thr); | |
555 jthrowable result = UNCHECKED()->ExceptionOccurred(env); | |
556 functionExit(env); | |
557 return result; | |
558 JNI_END | |
559 | |
560 JNI_ENTRY_CHECKED(void, | |
561 checked_jni_ExceptionDescribe(JNIEnv *env)) | |
562 functionEnterExceptionAllowed(thr); | |
563 UNCHECKED()->ExceptionDescribe(env); | |
564 functionExit(env); | |
565 JNI_END | |
566 | |
567 JNI_ENTRY_CHECKED(void, | |
568 checked_jni_ExceptionClear(JNIEnv *env)) | |
569 functionEnterExceptionAllowed(thr); | |
570 UNCHECKED()->ExceptionClear(env); | |
571 functionExit(env); | |
572 JNI_END | |
573 | |
574 JNI_ENTRY_CHECKED(void, | |
575 checked_jni_FatalError(JNIEnv *env, | |
576 const char *msg)) | |
577 functionEnter(thr); | |
578 UNCHECKED()->FatalError(env, msg); | |
579 functionExit(env); | |
580 JNI_END | |
581 | |
582 JNI_ENTRY_CHECKED(jint, | |
583 checked_jni_PushLocalFrame(JNIEnv *env, | |
584 jint capacity)) | |
585 functionEnterExceptionAllowed(thr); | |
586 if (capacity < 0) | |
587 NativeReportJNIFatalError(thr, "negative capacity"); | |
588 jint result = UNCHECKED()->PushLocalFrame(env, capacity); | |
589 functionExit(env); | |
590 return result; | |
591 JNI_END | |
592 | |
593 JNI_ENTRY_CHECKED(jobject, | |
594 checked_jni_PopLocalFrame(JNIEnv *env, | |
595 jobject result)) | |
596 functionEnterExceptionAllowed(thr); | |
597 jobject res = UNCHECKED()->PopLocalFrame(env, result); | |
598 functionExit(env); | |
599 return res; | |
600 JNI_END | |
601 | |
602 JNI_ENTRY_CHECKED(jobject, | |
603 checked_jni_NewGlobalRef(JNIEnv *env, | |
604 jobject lobj)) | |
605 functionEnter(thr); | |
606 IN_VM( | |
607 if (lobj != NULL) { | |
608 jniCheck::validate_handle(thr, lobj); | |
609 } | |
610 ) | |
611 jobject result = UNCHECKED()->NewGlobalRef(env,lobj); | |
612 functionExit(env); | |
613 return result; | |
614 JNI_END | |
615 | |
616 JNI_ENTRY_CHECKED(void, | |
617 checked_jni_DeleteGlobalRef(JNIEnv *env, | |
618 jobject gref)) | |
619 functionEnterExceptionAllowed(thr); | |
620 IN_VM( | |
621 jniCheck::validate_object(thr, gref); | |
622 if (gref && !JNIHandles::is_global_handle(gref)) { | |
623 ReportJNIFatalError(thr, | |
624 "Invalid global JNI handle passed to DeleteGlobalRef"); | |
625 } | |
626 ) | |
627 UNCHECKED()->DeleteGlobalRef(env,gref); | |
628 functionExit(env); | |
629 JNI_END | |
630 | |
631 JNI_ENTRY_CHECKED(void, | |
632 checked_jni_DeleteLocalRef(JNIEnv *env, | |
633 jobject obj)) | |
634 functionEnterExceptionAllowed(thr); | |
635 IN_VM( | |
636 jniCheck::validate_object(thr, obj); | |
637 if (obj && !(JNIHandles::is_local_handle(thr, obj) || | |
638 JNIHandles::is_frame_handle(thr, obj))) | |
639 ReportJNIFatalError(thr, | |
640 "Invalid local JNI handle passed to DeleteLocalRef"); | |
641 ) | |
642 UNCHECKED()->DeleteLocalRef(env, obj); | |
643 functionExit(env); | |
644 JNI_END | |
645 | |
646 JNI_ENTRY_CHECKED(jboolean, | |
647 checked_jni_IsSameObject(JNIEnv *env, | |
648 jobject obj1, | |
649 jobject obj2)) | |
650 functionEnterExceptionAllowed(thr); | |
651 IN_VM( | |
652 /* This JNI function can be used to compare weak global references | |
653 * to NULL objects. If the handles are valid, but contain NULL, | |
654 * then don't attempt to validate the object. | |
655 */ | |
656 if (obj1 != NULL && jniCheck::validate_handle(thr, obj1) != NULL) { | |
657 jniCheck::validate_object(thr, obj1); | |
658 } | |
659 if (obj2 != NULL && jniCheck::validate_handle(thr, obj2) != NULL) { | |
660 jniCheck::validate_object(thr, obj2); | |
661 } | |
662 ) | |
663 jboolean result = UNCHECKED()->IsSameObject(env,obj1,obj2); | |
664 functionExit(env); | |
665 return result; | |
666 JNI_END | |
667 | |
668 JNI_ENTRY_CHECKED(jobject, | |
669 checked_jni_NewLocalRef(JNIEnv *env, | |
670 jobject ref)) | |
671 functionEnter(thr); | |
672 IN_VM( | |
673 if (ref != NULL) { | |
674 jniCheck::validate_handle(thr, ref); | |
675 } | |
676 ) | |
677 jobject result = UNCHECKED()->NewLocalRef(env, ref); | |
678 functionExit(env); | |
679 return result; | |
680 JNI_END | |
681 | |
682 JNI_ENTRY_CHECKED(jint, | |
683 checked_jni_EnsureLocalCapacity(JNIEnv *env, | |
684 jint capacity)) | |
685 functionEnter(thr); | |
686 if (capacity < 0) { | |
687 NativeReportJNIFatalError(thr, "negative capacity"); | |
688 } | |
689 jint result = UNCHECKED()->EnsureLocalCapacity(env, capacity); | |
690 functionExit(env); | |
691 return result; | |
692 JNI_END | |
693 | |
694 JNI_ENTRY_CHECKED(jobject, | |
695 checked_jni_AllocObject(JNIEnv *env, | |
696 jclass clazz)) | |
697 functionEnter(thr); | |
698 IN_VM( | |
699 jniCheck::validate_class(thr, clazz, false); | |
700 ) | |
701 jobject result = UNCHECKED()->AllocObject(env,clazz); | |
702 functionExit(env); | |
703 return result; | |
704 JNI_END | |
705 | |
706 JNI_ENTRY_CHECKED(jobject, | |
707 checked_jni_NewObject(JNIEnv *env, | |
708 jclass clazz, | |
709 jmethodID methodID, | |
710 ...)) | |
711 functionEnter(thr); | |
712 va_list args; | |
713 IN_VM( | |
714 jniCheck::validate_class(thr, clazz, false); | |
715 jniCheck::validate_jmethod_id(thr, methodID); | |
716 ) | |
717 va_start(args, methodID); | |
718 jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args); | |
719 va_end(args); | |
720 functionExit(env); | |
721 return result; | |
722 JNI_END | |
723 | |
724 JNI_ENTRY_CHECKED(jobject, | |
725 checked_jni_NewObjectV(JNIEnv *env, | |
726 jclass clazz, | |
727 jmethodID methodID, | |
728 va_list args)) | |
729 functionEnter(thr); | |
730 IN_VM( | |
731 jniCheck::validate_class(thr, clazz, false); | |
732 jniCheck::validate_jmethod_id(thr, methodID); | |
733 ) | |
734 jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args); | |
735 functionExit(env); | |
736 return result; | |
737 JNI_END | |
738 | |
739 JNI_ENTRY_CHECKED(jobject, | |
740 checked_jni_NewObjectA(JNIEnv *env, | |
741 jclass clazz, | |
742 jmethodID methodID, | |
743 const jvalue *args)) | |
744 functionEnter(thr); | |
745 IN_VM( | |
746 jniCheck::validate_class(thr, clazz, false); | |
747 jniCheck::validate_jmethod_id(thr, methodID); | |
748 ) | |
749 jobject result = UNCHECKED()->NewObjectA(env,clazz,methodID,args); | |
750 functionExit(env); | |
751 return result; | |
752 JNI_END | |
753 | |
754 JNI_ENTRY_CHECKED(jclass, | |
755 checked_jni_GetObjectClass(JNIEnv *env, | |
756 jobject obj)) | |
757 functionEnter(thr); | |
758 IN_VM( | |
759 jniCheck::validate_object(thr, obj); | |
760 ) | |
761 jclass result = UNCHECKED()->GetObjectClass(env,obj); | |
762 functionExit(env); | |
763 return result; | |
764 JNI_END | |
765 | |
766 JNI_ENTRY_CHECKED(jboolean, | |
767 checked_jni_IsInstanceOf(JNIEnv *env, | |
768 jobject obj, | |
769 jclass clazz)) | |
770 functionEnter(thr); | |
771 IN_VM( | |
772 jniCheck::validate_object(thr, obj); | |
773 jniCheck::validate_class(thr, clazz, true); | |
774 ) | |
775 jboolean result = UNCHECKED()->IsInstanceOf(env,obj,clazz); | |
776 functionExit(env); | |
777 return result; | |
778 JNI_END | |
779 | |
780 JNI_ENTRY_CHECKED(jmethodID, | |
781 checked_jni_GetMethodID(JNIEnv *env, | |
782 jclass clazz, | |
783 const char *name, | |
784 const char *sig)) | |
785 functionEnter(thr); | |
786 IN_VM( | |
787 jniCheck::validate_class(thr, clazz, false); | |
788 ) | |
789 jmethodID result = UNCHECKED()->GetMethodID(env,clazz,name,sig); | |
790 functionExit(env); | |
791 return result; | |
792 JNI_END | |
793 | |
794 #define WRAPPER_CallMethod(ResultType, Result) \ | |
795 JNI_ENTRY_CHECKED(ResultType, \ | |
796 checked_jni_Call##Result##Method(JNIEnv *env, \ | |
797 jobject obj, \ | |
798 jmethodID methodID, \ | |
799 ...)) \ | |
800 functionEnter(thr); \ | |
801 va_list args; \ | |
802 IN_VM( \ | |
803 jniCheck::validate_call_object(thr, obj, methodID); \ | |
804 ) \ | |
805 va_start(args,methodID); \ | |
806 ResultType result =UNCHECKED()->Call##Result##MethodV(env, obj, methodID, \ | |
807 args); \ | |
808 va_end(args); \ | |
809 functionExit(env); \ | |
810 return result; \ | |
811 JNI_END \ | |
812 \ | |
813 JNI_ENTRY_CHECKED(ResultType, \ | |
814 checked_jni_Call##Result##MethodV(JNIEnv *env, \ | |
815 jobject obj, \ | |
816 jmethodID methodID, \ | |
817 va_list args)) \ | |
818 functionEnter(thr); \ | |
819 IN_VM(\ | |
820 jniCheck::validate_call_object(thr, obj, methodID); \ | |
821 ) \ | |
822 ResultType result = UNCHECKED()->Call##Result##MethodV(env, obj, methodID,\ | |
823 args); \ | |
824 functionExit(env); \ | |
825 return result; \ | |
826 JNI_END \ | |
827 \ | |
828 JNI_ENTRY_CHECKED(ResultType, \ | |
829 checked_jni_Call##Result##MethodA(JNIEnv *env, \ | |
830 jobject obj, \ | |
831 jmethodID methodID, \ | |
832 const jvalue * args)) \ | |
833 functionEnter(thr); \ | |
834 IN_VM( \ | |
835 jniCheck::validate_call_object(thr, obj, methodID); \ | |
836 ) \ | |
837 ResultType result = UNCHECKED()->Call##Result##MethodA(env, obj, methodID,\ | |
838 args); \ | |
839 functionExit(env); \ | |
840 return result; \ | |
841 JNI_END | |
842 | |
843 WRAPPER_CallMethod(jobject,Object) | |
844 WRAPPER_CallMethod(jboolean,Boolean) | |
845 WRAPPER_CallMethod(jbyte,Byte) | |
846 WRAPPER_CallMethod(jshort,Short) | |
847 WRAPPER_CallMethod(jchar,Char) | |
848 WRAPPER_CallMethod(jint,Int) | |
849 WRAPPER_CallMethod(jlong,Long) | |
850 WRAPPER_CallMethod(jfloat,Float) | |
851 WRAPPER_CallMethod(jdouble,Double) | |
852 | |
853 JNI_ENTRY_CHECKED(void, | |
854 checked_jni_CallVoidMethod(JNIEnv *env, \ | |
855 jobject obj, \ | |
856 jmethodID methodID, \ | |
857 ...)) | |
858 functionEnter(thr); | |
859 va_list args; | |
860 IN_VM( | |
861 jniCheck::validate_call_object(thr, obj, methodID); | |
862 ) | |
863 va_start(args,methodID); | |
864 UNCHECKED()->CallVoidMethodV(env,obj,methodID,args); | |
865 va_end(args); | |
866 functionExit(env); | |
867 JNI_END | |
868 | |
869 JNI_ENTRY_CHECKED(void, | |
870 checked_jni_CallVoidMethodV(JNIEnv *env, | |
871 jobject obj, | |
872 jmethodID methodID, | |
873 va_list args)) | |
874 functionEnter(thr); | |
875 IN_VM( | |
876 jniCheck::validate_call_object(thr, obj, methodID); | |
877 ) | |
878 UNCHECKED()->CallVoidMethodV(env,obj,methodID,args); | |
879 functionExit(env); | |
880 JNI_END | |
881 | |
882 JNI_ENTRY_CHECKED(void, | |
883 checked_jni_CallVoidMethodA(JNIEnv *env, | |
884 jobject obj, | |
885 jmethodID methodID, | |
886 const jvalue * args)) | |
887 functionEnter(thr); | |
888 IN_VM( | |
889 jniCheck::validate_call_object(thr, obj, methodID); | |
890 ) | |
891 UNCHECKED()->CallVoidMethodA(env,obj,methodID,args); | |
892 functionExit(env); | |
893 JNI_END | |
894 | |
895 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \ | |
896 JNI_ENTRY_CHECKED(ResultType, \ | |
897 checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \ | |
898 jobject obj, \ | |
899 jclass clazz, \ | |
900 jmethodID methodID, \ | |
901 ...)) \ | |
902 functionEnter(thr); \ | |
903 va_list args; \ | |
904 IN_VM( \ | |
905 jniCheck::validate_call_object(thr, obj, methodID); \ | |
906 jniCheck::validate_call_class(thr, clazz, methodID); \ | |
907 ) \ | |
908 va_start(args,methodID); \ | |
909 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \ | |
910 obj, \ | |
911 clazz, \ | |
912 methodID,\ | |
913 args); \ | |
914 va_end(args); \ | |
915 functionExit(env); \ | |
916 return result; \ | |
917 JNI_END \ | |
918 \ | |
919 JNI_ENTRY_CHECKED(ResultType, \ | |
920 checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \ | |
921 jobject obj, \ | |
922 jclass clazz, \ | |
923 jmethodID methodID, \ | |
924 va_list args)) \ | |
925 functionEnter(thr); \ | |
926 IN_VM( \ | |
927 jniCheck::validate_call_object(thr, obj, methodID); \ | |
928 jniCheck::validate_call_class(thr, clazz, methodID); \ | |
929 ) \ | |
930 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \ | |
931 obj, \ | |
932 clazz, \ | |
933 methodID,\ | |
934 args); \ | |
935 functionExit(env); \ | |
936 return result; \ | |
937 JNI_END \ | |
938 \ | |
939 JNI_ENTRY_CHECKED(ResultType, \ | |
940 checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \ | |
941 jobject obj, \ | |
942 jclass clazz, \ | |
943 jmethodID methodID, \ | |
944 const jvalue * 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##MethodA(env, \ | |
951 obj, \ | |
952 clazz, \ | |
953 methodID,\ | |
954 args); \ | |
955 functionExit(env); \ | |
956 return result; \ | |
957 JNI_END | |
958 | |
959 WRAPPER_CallNonvirtualMethod(jobject,Object) | |
960 WRAPPER_CallNonvirtualMethod(jboolean,Boolean) | |
961 WRAPPER_CallNonvirtualMethod(jbyte,Byte) | |
962 WRAPPER_CallNonvirtualMethod(jshort,Short) | |
963 WRAPPER_CallNonvirtualMethod(jchar,Char) | |
964 WRAPPER_CallNonvirtualMethod(jint,Int) | |
965 WRAPPER_CallNonvirtualMethod(jlong,Long) | |
966 WRAPPER_CallNonvirtualMethod(jfloat,Float) | |
967 WRAPPER_CallNonvirtualMethod(jdouble,Double) | |
968 | |
969 JNI_ENTRY_CHECKED(void, | |
970 checked_jni_CallNonvirtualVoidMethod(JNIEnv *env, | |
971 jobject obj, | |
972 jclass clazz, | |
973 jmethodID methodID, | |
974 ...)) | |
975 functionEnter(thr); | |
976 va_list args; | |
977 IN_VM( | |
978 jniCheck::validate_call_object(thr, obj, methodID); | |
979 jniCheck::validate_call_class(thr, clazz, methodID); | |
980 ) | |
981 va_start(args,methodID); | |
982 UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args); | |
983 va_end(args); | |
984 functionExit(env); | |
985 JNI_END | |
986 | |
987 JNI_ENTRY_CHECKED(void, | |
988 checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env, | |
989 jobject obj, | |
990 jclass clazz, | |
991 jmethodID methodID, | |
992 va_list args)) | |
993 functionEnter(thr); | |
994 IN_VM( | |
995 jniCheck::validate_call_object(thr, obj, methodID); | |
996 jniCheck::validate_call_class(thr, clazz, methodID); | |
997 ) | |
998 UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args); | |
999 functionExit(env); | |
1000 JNI_END | |
1001 | |
1002 JNI_ENTRY_CHECKED(void, | |
1003 checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env, | |
1004 jobject obj, | |
1005 jclass clazz, | |
1006 jmethodID methodID, | |
1007 const jvalue * args)) | |
1008 functionEnter(thr); | |
1009 IN_VM( | |
1010 jniCheck::validate_call_object(thr, obj, methodID); | |
1011 jniCheck::validate_call_class(thr, clazz, methodID); | |
1012 ) | |
1013 UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args); | |
1014 functionExit(env); | |
1015 JNI_END | |
1016 | |
1017 JNI_ENTRY_CHECKED(jfieldID, | |
1018 checked_jni_GetFieldID(JNIEnv *env, | |
1019 jclass clazz, | |
1020 const char *name, | |
1021 const char *sig)) | |
1022 functionEnter(thr); | |
1023 IN_VM( | |
1024 jniCheck::validate_class(thr, clazz, false); | |
1025 ) | |
1026 jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig); | |
1027 functionExit(env); | |
1028 return result; | |
1029 JNI_END | |
1030 | |
1031 #define WRAPPER_GetField(ReturnType,Result,FieldType) \ | |
1032 JNI_ENTRY_CHECKED(ReturnType, \ | |
1033 checked_jni_Get##Result##Field(JNIEnv *env, \ | |
1034 jobject obj, \ | |
1035 jfieldID fieldID)) \ | |
1036 functionEnter(thr); \ | |
1037 IN_VM( \ | |
1038 checkInstanceFieldID(thr, fieldID, obj, FieldType); \ | |
1039 ) \ | |
1040 ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \ | |
1041 functionExit(env); \ | |
1042 return result; \ | |
1043 JNI_END | |
1044 | |
1045 WRAPPER_GetField(jobject, Object, T_OBJECT) | |
1046 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN) | |
1047 WRAPPER_GetField(jbyte, Byte, T_BYTE) | |
1048 WRAPPER_GetField(jshort, Short, T_SHORT) | |
1049 WRAPPER_GetField(jchar, Char, T_CHAR) | |
1050 WRAPPER_GetField(jint, Int, T_INT) | |
1051 WRAPPER_GetField(jlong, Long, T_LONG) | |
1052 WRAPPER_GetField(jfloat, Float, T_FLOAT) | |
1053 WRAPPER_GetField(jdouble, Double, T_DOUBLE) | |
1054 | |
1055 #define WRAPPER_SetField(ValueType,Result,FieldType) \ | |
1056 JNI_ENTRY_CHECKED(void, \ | |
1057 checked_jni_Set##Result##Field(JNIEnv *env, \ | |
1058 jobject obj, \ | |
1059 jfieldID fieldID, \ | |
1060 ValueType val)) \ | |
1061 functionEnter(thr); \ | |
1062 IN_VM( \ | |
1063 checkInstanceFieldID(thr, fieldID, obj, FieldType); \ | |
1064 ) \ | |
1065 UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \ | |
1066 functionExit(env); \ | |
1067 JNI_END | |
1068 | |
1069 WRAPPER_SetField(jobject, Object, T_OBJECT) | |
1070 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN) | |
1071 WRAPPER_SetField(jbyte, Byte, T_BYTE) | |
1072 WRAPPER_SetField(jshort, Short, T_SHORT) | |
1073 WRAPPER_SetField(jchar, Char, T_CHAR) | |
1074 WRAPPER_SetField(jint, Int, T_INT) | |
1075 WRAPPER_SetField(jlong, Long, T_LONG) | |
1076 WRAPPER_SetField(jfloat, Float, T_FLOAT) | |
1077 WRAPPER_SetField(jdouble, Double, T_DOUBLE) | |
1078 | |
1079 | |
1080 JNI_ENTRY_CHECKED(jmethodID, | |
1081 checked_jni_GetStaticMethodID(JNIEnv *env, | |
1082 jclass clazz, | |
1083 const char *name, | |
1084 const char *sig)) | |
1085 functionEnter(thr); | |
1086 IN_VM( | |
1087 jniCheck::validate_class(thr, clazz, false); | |
1088 ) | |
1089 jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig); | |
1090 functionExit(env); | |
1091 return result; | |
1092 JNI_END | |
1093 | |
1094 #define WRAPPER_CallStaticMethod(ReturnType,Result) \ | |
1095 JNI_ENTRY_CHECKED(ReturnType, \ | |
1096 checked_jni_CallStatic##Result##Method(JNIEnv *env, \ | |
1097 jclass clazz, \ | |
1098 jmethodID methodID, \ | |
1099 ...)) \ | |
1100 functionEnter(thr); \ | |
1101 va_list args; \ | |
1102 IN_VM( \ | |
1103 jniCheck::validate_jmethod_id(thr, methodID); \ | |
1104 jniCheck::validate_class(thr, clazz, false); \ | |
1105 ) \ | |
1106 va_start(args,methodID); \ | |
1107 ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \ | |
1108 clazz, \ | |
1109 methodID, \ | |
1110 args); \ | |
1111 va_end(args); \ | |
1112 functionExit(env); \ | |
1113 return result; \ | |
1114 JNI_END \ | |
1115 \ | |
1116 JNI_ENTRY_CHECKED(ReturnType, \ | |
1117 checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \ | |
1118 jclass clazz, \ | |
1119 jmethodID methodID,\ | |
1120 va_list args)) \ | |
1121 functionEnter(thr); \ | |
1122 IN_VM( \ | |
1123 jniCheck::validate_jmethod_id(thr, methodID); \ | |
1124 jniCheck::validate_class(thr, clazz, false); \ | |
1125 ) \ | |
1126 ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \ | |
1127 clazz, \ | |
1128 methodID, \ | |
1129 args); \ | |
1130 functionExit(env); \ | |
1131 return result; \ | |
1132 JNI_END \ | |
1133 \ | |
1134 JNI_ENTRY_CHECKED(ReturnType, \ | |
1135 checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \ | |
1136 jclass clazz, \ | |
1137 jmethodID methodID, \ | |
1138 const jvalue *args)) \ | |
1139 functionEnter(thr); \ | |
1140 IN_VM( \ | |
1141 jniCheck::validate_jmethod_id(thr, methodID); \ | |
1142 jniCheck::validate_class(thr, clazz, false); \ | |
1143 ) \ | |
1144 ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \ | |
1145 clazz, \ | |
1146 methodID, \ | |
1147 args); \ | |
1148 functionExit(env); \ | |
1149 return result; \ | |
1150 JNI_END | |
1151 | |
1152 WRAPPER_CallStaticMethod(jobject,Object) | |
1153 WRAPPER_CallStaticMethod(jboolean,Boolean) | |
1154 WRAPPER_CallStaticMethod(jbyte,Byte) | |
1155 WRAPPER_CallStaticMethod(jshort,Short) | |
1156 WRAPPER_CallStaticMethod(jchar,Char) | |
1157 WRAPPER_CallStaticMethod(jint,Int) | |
1158 WRAPPER_CallStaticMethod(jlong,Long) | |
1159 WRAPPER_CallStaticMethod(jfloat,Float) | |
1160 WRAPPER_CallStaticMethod(jdouble,Double) | |
1161 | |
1162 JNI_ENTRY_CHECKED(void, | |
1163 checked_jni_CallStaticVoidMethod(JNIEnv *env, | |
1164 jclass cls, | |
1165 jmethodID methodID, | |
1166 ...)) | |
1167 functionEnter(thr); | |
1168 va_list args; | |
1169 IN_VM( | |
1170 jniCheck::validate_jmethod_id(thr, methodID); | |
1171 jniCheck::validate_class(thr, cls, false); | |
1172 ) | |
1173 va_start(args,methodID); | |
1174 UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args); | |
1175 va_end(args); | |
1176 functionExit(env); | |
1177 JNI_END | |
1178 | |
1179 JNI_ENTRY_CHECKED(void, | |
1180 checked_jni_CallStaticVoidMethodV(JNIEnv *env, | |
1181 jclass cls, | |
1182 jmethodID methodID, | |
1183 va_list args)) | |
1184 functionEnter(thr); | |
1185 IN_VM( | |
1186 jniCheck::validate_jmethod_id(thr, methodID); | |
1187 jniCheck::validate_class(thr, cls, false); | |
1188 ) | |
1189 UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args); | |
1190 functionExit(env); | |
1191 JNI_END | |
1192 | |
1193 JNI_ENTRY_CHECKED(void, | |
1194 checked_jni_CallStaticVoidMethodA(JNIEnv *env, | |
1195 jclass cls, | |
1196 jmethodID methodID, | |
1197 const jvalue * args)) | |
1198 functionEnter(thr); | |
1199 IN_VM( | |
1200 jniCheck::validate_jmethod_id(thr, methodID); | |
1201 jniCheck::validate_class(thr, cls, false); | |
1202 ) | |
1203 UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args); | |
1204 functionExit(env); | |
1205 JNI_END | |
1206 | |
1207 JNI_ENTRY_CHECKED(jfieldID, | |
1208 checked_jni_GetStaticFieldID(JNIEnv *env, | |
1209 jclass clazz, | |
1210 const char *name, | |
1211 const char *sig)) | |
1212 functionEnter(thr); | |
1213 IN_VM( | |
1214 jniCheck::validate_class(thr, clazz, false); | |
1215 ) | |
1216 jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig); | |
1217 functionExit(env); | |
1218 return result; | |
1219 JNI_END | |
1220 | |
1221 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \ | |
1222 JNI_ENTRY_CHECKED(ReturnType, \ | |
1223 checked_jni_GetStatic##Result##Field(JNIEnv *env, \ | |
1224 jclass clazz, \ | |
1225 jfieldID fieldID)) \ | |
1226 functionEnter(thr); \ | |
1227 IN_VM( \ | |
1228 jniCheck::validate_class(thr, clazz, false); \ | |
1229 checkStaticFieldID(thr, fieldID, clazz, FieldType); \ | |
1230 ) \ | |
1231 ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \ | |
1232 clazz, \ | |
1233 fieldID); \ | |
1234 functionExit(env); \ | |
1235 return result; \ | |
1236 JNI_END | |
1237 | |
1238 WRAPPER_GetStaticField(jobject, Object, T_OBJECT) | |
1239 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN) | |
1240 WRAPPER_GetStaticField(jbyte, Byte, T_BYTE) | |
1241 WRAPPER_GetStaticField(jshort, Short, T_SHORT) | |
1242 WRAPPER_GetStaticField(jchar, Char, T_CHAR) | |
1243 WRAPPER_GetStaticField(jint, Int, T_INT) | |
1244 WRAPPER_GetStaticField(jlong, Long, T_LONG) | |
1245 WRAPPER_GetStaticField(jfloat, Float, T_FLOAT) | |
1246 WRAPPER_GetStaticField(jdouble, Double, T_DOUBLE) | |
1247 | |
1248 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \ | |
1249 JNI_ENTRY_CHECKED(void, \ | |
1250 checked_jni_SetStatic##Result##Field(JNIEnv *env, \ | |
1251 jclass clazz, \ | |
1252 jfieldID fieldID, \ | |
1253 ValueType value)) \ | |
1254 functionEnter(thr); \ | |
1255 IN_VM( \ | |
1256 jniCheck::validate_class(thr, clazz, false); \ | |
1257 checkStaticFieldID(thr, fieldID, clazz, FieldType); \ | |
1258 ) \ | |
1259 UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \ | |
1260 functionExit(env); \ | |
1261 JNI_END | |
1262 | |
1263 WRAPPER_SetStaticField(jobject, Object, T_OBJECT) | |
1264 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN) | |
1265 WRAPPER_SetStaticField(jbyte, Byte, T_BYTE) | |
1266 WRAPPER_SetStaticField(jshort, Short, T_SHORT) | |
1267 WRAPPER_SetStaticField(jchar, Char, T_CHAR) | |
1268 WRAPPER_SetStaticField(jint, Int, T_INT) | |
1269 WRAPPER_SetStaticField(jlong, Long, T_LONG) | |
1270 WRAPPER_SetStaticField(jfloat, Float, T_FLOAT) | |
1271 WRAPPER_SetStaticField(jdouble, Double, T_DOUBLE) | |
1272 | |
1273 | |
1274 JNI_ENTRY_CHECKED(jstring, | |
1275 checked_jni_NewString(JNIEnv *env, | |
1276 const jchar *unicode, | |
1277 jsize len)) | |
1278 functionEnter(thr); | |
1279 jstring result = UNCHECKED()->NewString(env,unicode,len); | |
1280 functionExit(env); | |
1281 return result; | |
1282 JNI_END | |
1283 | |
1284 JNI_ENTRY_CHECKED(jsize, | |
1285 checked_jni_GetStringLength(JNIEnv *env, | |
1286 jstring str)) | |
1287 functionEnter(thr); | |
1288 IN_VM( | |
1289 checkString(thr, str); | |
1290 ) | |
1291 jsize result = UNCHECKED()->GetStringLength(env,str); | |
1292 functionExit(env); | |
1293 return result; | |
1294 JNI_END | |
1295 | |
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1296 // Arbitrary (but well-known) tag |
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1297 const jint STRING_TAG = 0x47114711; |
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1298 |
0 | 1299 JNI_ENTRY_CHECKED(const jchar *, |
1300 checked_jni_GetStringChars(JNIEnv *env, | |
1301 jstring str, | |
1302 jboolean *isCopy)) | |
1303 functionEnter(thr); | |
1304 IN_VM( | |
1305 checkString(thr, str); | |
1306 ) | |
1307 const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy); | |
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1308 assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected"); |
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1309 |
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1310 size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination |
6197 | 1311 jint* tagLocation = (jint*) AllocateHeap(len * sizeof(jchar) + sizeof(jint), mtInternal); |
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1312 *tagLocation = STRING_TAG; |
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1313 jchar* newResult = (jchar*) (tagLocation + 1); |
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1314 memcpy(newResult, result, len * sizeof(jchar)); |
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1315 // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes |
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1316 // Note that the dtrace arguments for the allocated memory will not match up with this solution. |
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1317 FreeHeap((char*)result); |
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1318 |
0 | 1319 functionExit(env); |
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1320 return newResult; |
0 | 1321 JNI_END |
1322 | |
1323 JNI_ENTRY_CHECKED(void, | |
1324 checked_jni_ReleaseStringChars(JNIEnv *env, | |
1325 jstring str, | |
1326 const jchar *chars)) | |
1327 functionEnterExceptionAllowed(thr); | |
1328 IN_VM( | |
1329 checkString(thr, str); | |
1330 ) | |
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1331 if (chars == NULL) { |
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1332 // still do the unchecked call to allow dtrace probes |
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1333 UNCHECKED()->ReleaseStringChars(env,str,chars); |
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1334 } |
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1335 else { |
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1336 jint* tagLocation = ((jint*) chars) - 1; |
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1337 if (*tagLocation != STRING_TAG) { |
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1338 NativeReportJNIFatalError(thr, "ReleaseStringChars called on something not allocated by GetStringChars"); |
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1339 } |
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1340 UNCHECKED()->ReleaseStringChars(env,str,(const jchar*)tagLocation); |
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1341 } |
0 | 1342 functionExit(env); |
1343 JNI_END | |
1344 | |
1345 JNI_ENTRY_CHECKED(jstring, | |
1346 checked_jni_NewStringUTF(JNIEnv *env, | |
1347 const char *utf)) | |
1348 functionEnter(thr); | |
1349 jstring result = UNCHECKED()->NewStringUTF(env,utf); | |
1350 functionExit(env); | |
1351 return result; | |
1352 JNI_END | |
1353 | |
1354 JNI_ENTRY_CHECKED(jsize, | |
1355 checked_jni_GetStringUTFLength(JNIEnv *env, | |
1356 jstring str)) | |
1357 functionEnter(thr); | |
1358 IN_VM( | |
1359 checkString(thr, str); | |
1360 ) | |
1361 jsize result = UNCHECKED()->GetStringUTFLength(env,str); | |
1362 functionExit(env); | |
1363 return result; | |
1364 JNI_END | |
1365 | |
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1366 // Arbitrary (but well-known) tag - different than GetStringChars |
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1367 const jint STRING_UTF_TAG = 0x48124812; |
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1368 |
0 | 1369 JNI_ENTRY_CHECKED(const char *, |
1370 checked_jni_GetStringUTFChars(JNIEnv *env, | |
1371 jstring str, | |
1372 jboolean *isCopy)) | |
1373 functionEnter(thr); | |
1374 IN_VM( | |
1375 checkString(thr, str); | |
1376 ) | |
1377 const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy); | |
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1378 assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected"); |
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1379 |
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1380 size_t len = strlen(result) + 1; // + 1 for NULL termination |
6197 | 1381 jint* tagLocation = (jint*) AllocateHeap(len + sizeof(jint), mtInternal); |
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1382 *tagLocation = STRING_UTF_TAG; |
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1383 char* newResult = (char*) (tagLocation + 1); |
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1384 strcpy(newResult, result); |
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1385 // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes |
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1386 // Note that the dtrace arguments for the allocated memory will not match up with this solution. |
6197 | 1387 FreeHeap((char*)result, mtInternal); |
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1388 |
0 | 1389 functionExit(env); |
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1390 return newResult; |
0 | 1391 JNI_END |
1392 | |
1393 JNI_ENTRY_CHECKED(void, | |
1394 checked_jni_ReleaseStringUTFChars(JNIEnv *env, | |
1395 jstring str, | |
1396 const char* chars)) | |
1397 functionEnterExceptionAllowed(thr); | |
1398 IN_VM( | |
1399 checkString(thr, str); | |
1400 ) | |
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1401 if (chars == NULL) { |
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1402 // still do the unchecked call to allow dtrace probes |
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1403 UNCHECKED()->ReleaseStringUTFChars(env,str,chars); |
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1404 } |
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1405 else { |
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1406 jint* tagLocation = ((jint*) chars) - 1; |
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1407 if (*tagLocation != STRING_UTF_TAG) { |
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1408 NativeReportJNIFatalError(thr, "ReleaseStringUTFChars called on something not allocated by GetStringUTFChars"); |
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1409 } |
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1972
diff
changeset
|
1410 UNCHECKED()->ReleaseStringUTFChars(env,str,(const char*)tagLocation); |
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
sla
parents:
1972
diff
changeset
|
1411 } |
0 | 1412 functionExit(env); |
1413 JNI_END | |
1414 | |
1415 JNI_ENTRY_CHECKED(jsize, | |
1416 checked_jni_GetArrayLength(JNIEnv *env, | |
1417 jarray array)) | |
1418 functionEnter(thr); | |
1419 IN_VM( | |
1420 checkArray(thr, array, -1); | |
1421 ) | |
1422 jsize result = UNCHECKED()->GetArrayLength(env,array); | |
1423 functionExit(env); | |
1424 return result; | |
1425 JNI_END | |
1426 | |
1427 JNI_ENTRY_CHECKED(jobjectArray, | |
1428 checked_jni_NewObjectArray(JNIEnv *env, | |
1429 jsize len, | |
1430 jclass clazz, | |
1431 jobject init)) | |
1432 functionEnter(thr); | |
1433 jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init); | |
1434 functionExit(env); | |
1435 return result; | |
1436 JNI_END | |
1437 | |
1438 JNI_ENTRY_CHECKED(jobject, | |
1439 checked_jni_GetObjectArrayElement(JNIEnv *env, | |
1440 jobjectArray array, | |
1441 jsize index)) | |
1442 functionEnter(thr); | |
1443 IN_VM( | |
1444 checkArray(thr, array, T_OBJECT); | |
1445 ) | |
1446 jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index); | |
1447 functionExit(env); | |
1448 return result; | |
1449 JNI_END | |
1450 | |
1451 JNI_ENTRY_CHECKED(void, | |
1452 checked_jni_SetObjectArrayElement(JNIEnv *env, | |
1453 jobjectArray array, | |
1454 jsize index, | |
1455 jobject val)) | |
1456 functionEnter(thr); | |
1457 IN_VM( | |
1458 checkArray(thr, array, T_OBJECT); | |
1459 ) | |
1460 UNCHECKED()->SetObjectArrayElement(env,array,index,val); | |
1461 functionExit(env); | |
1462 JNI_END | |
1463 | |
1464 #define WRAPPER_NewScalarArray(Return, Result) \ | |
1465 JNI_ENTRY_CHECKED(Return, \ | |
1466 checked_jni_New##Result##Array(JNIEnv *env, \ | |
1467 jsize len)) \ | |
1468 functionEnter(thr); \ | |
1469 Return result = UNCHECKED()->New##Result##Array(env,len); \ | |
1470 functionExit(env); \ | |
1471 return (Return) result; \ | |
1472 JNI_END | |
1473 | |
1474 WRAPPER_NewScalarArray(jbooleanArray, Boolean) | |
1475 WRAPPER_NewScalarArray(jbyteArray, Byte) | |
1476 WRAPPER_NewScalarArray(jshortArray, Short) | |
1477 WRAPPER_NewScalarArray(jcharArray, Char) | |
1478 WRAPPER_NewScalarArray(jintArray, Int) | |
1479 WRAPPER_NewScalarArray(jlongArray, Long) | |
1480 WRAPPER_NewScalarArray(jfloatArray, Float) | |
1481 WRAPPER_NewScalarArray(jdoubleArray, Double) | |
1482 | |
1483 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \ | |
1484 JNI_ENTRY_CHECKED(ElementType *, \ | |
1485 checked_jni_Get##Result##ArrayElements(JNIEnv *env, \ | |
1486 ElementType##Array array, \ | |
1487 jboolean *isCopy)) \ | |
1488 functionEnter(thr); \ | |
1489 IN_VM( \ | |
1490 checkArray(thr, array, ElementTag); \ | |
1491 ) \ | |
1492 ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \ | |
1493 array, \ | |
1494 isCopy); \ | |
1495 functionExit(env); \ | |
1496 return result; \ | |
1497 JNI_END | |
1498 | |
1499 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean) | |
1500 WRAPPER_GetScalarArrayElements(T_BYTE, jbyte, Byte) | |
1501 WRAPPER_GetScalarArrayElements(T_SHORT, jshort, Short) | |
1502 WRAPPER_GetScalarArrayElements(T_CHAR, jchar, Char) | |
1503 WRAPPER_GetScalarArrayElements(T_INT, jint, Int) | |
1504 WRAPPER_GetScalarArrayElements(T_LONG, jlong, Long) | |
1505 WRAPPER_GetScalarArrayElements(T_FLOAT, jfloat, Float) | |
1506 WRAPPER_GetScalarArrayElements(T_DOUBLE, jdouble, Double) | |
1507 | |
1508 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \ | |
1509 JNI_ENTRY_CHECKED(void, \ | |
1510 checked_jni_Release##Result##ArrayElements(JNIEnv *env, \ | |
1511 ElementType##Array array, \ | |
1512 ElementType *elems, \ | |
1513 jint mode)) \ | |
1514 functionEnterExceptionAllowed(thr); \ | |
1515 IN_VM( \ | |
1516 checkArray(thr, array, ElementTag); \ | |
1517 ASSERT_OOPS_ALLOWED; \ | |
1518 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
1519 /* cannot check validity of copy, unless every request is logged by | |
1520 * checking code. Implementation of this check is deferred until a | |
1521 * subsequent release. | |
1522 */ \ | |
1523 ) \ | |
1524 UNCHECKED()->Release##Result##ArrayElements(env,array,elems,mode); \ | |
1525 functionExit(env); \ | |
1526 JNI_END | |
1527 | |
1528 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool) | |
1529 WRAPPER_ReleaseScalarArrayElements(T_BYTE, jbyte, Byte, byte) | |
1530 WRAPPER_ReleaseScalarArrayElements(T_SHORT, jshort, Short, short) | |
1531 WRAPPER_ReleaseScalarArrayElements(T_CHAR, jchar, Char, char) | |
1532 WRAPPER_ReleaseScalarArrayElements(T_INT, jint, Int, int) | |
1533 WRAPPER_ReleaseScalarArrayElements(T_LONG, jlong, Long, long) | |
1534 WRAPPER_ReleaseScalarArrayElements(T_FLOAT, jfloat, Float, float) | |
1535 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble, Double, double) | |
1536 | |
1537 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \ | |
1538 JNI_ENTRY_CHECKED(void, \ | |
1539 checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \ | |
1540 ElementType##Array array, \ | |
1541 jsize start, \ | |
1542 jsize len, \ | |
1543 ElementType *buf)) \ | |
1544 functionEnter(thr); \ | |
1545 IN_VM( \ | |
1546 checkArray(thr, array, ElementTag); \ | |
1547 ) \ | |
1548 UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \ | |
1549 functionExit(env); \ | |
1550 JNI_END | |
1551 | |
1552 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean) | |
1553 WRAPPER_GetScalarArrayRegion(T_BYTE, jbyte, Byte) | |
1554 WRAPPER_GetScalarArrayRegion(T_SHORT, jshort, Short) | |
1555 WRAPPER_GetScalarArrayRegion(T_CHAR, jchar, Char) | |
1556 WRAPPER_GetScalarArrayRegion(T_INT, jint, Int) | |
1557 WRAPPER_GetScalarArrayRegion(T_LONG, jlong, Long) | |
1558 WRAPPER_GetScalarArrayRegion(T_FLOAT, jfloat, Float) | |
1559 WRAPPER_GetScalarArrayRegion(T_DOUBLE, jdouble, Double) | |
1560 | |
1561 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \ | |
1562 JNI_ENTRY_CHECKED(void, \ | |
1563 checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \ | |
1564 ElementType##Array array, \ | |
1565 jsize start, \ | |
1566 jsize len, \ | |
1567 const ElementType *buf)) \ | |
1568 functionEnter(thr); \ | |
1569 IN_VM( \ | |
1570 checkArray(thr, array, ElementTag); \ | |
1571 ) \ | |
1572 UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \ | |
1573 functionExit(env); \ | |
1574 JNI_END | |
1575 | |
1576 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean) | |
1577 WRAPPER_SetScalarArrayRegion(T_BYTE, jbyte, Byte) | |
1578 WRAPPER_SetScalarArrayRegion(T_SHORT, jshort, Short) | |
1579 WRAPPER_SetScalarArrayRegion(T_CHAR, jchar, Char) | |
1580 WRAPPER_SetScalarArrayRegion(T_INT, jint, Int) | |
1581 WRAPPER_SetScalarArrayRegion(T_LONG, jlong, Long) | |
1582 WRAPPER_SetScalarArrayRegion(T_FLOAT, jfloat, Float) | |
1583 WRAPPER_SetScalarArrayRegion(T_DOUBLE, jdouble, Double) | |
1584 | |
1585 JNI_ENTRY_CHECKED(jint, | |
1586 checked_jni_RegisterNatives(JNIEnv *env, | |
1587 jclass clazz, | |
1588 const JNINativeMethod *methods, | |
1589 jint nMethods)) | |
1590 functionEnter(thr); | |
1591 jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods); | |
1592 functionExit(env); | |
1593 return result; | |
1594 JNI_END | |
1595 | |
1596 JNI_ENTRY_CHECKED(jint, | |
1597 checked_jni_UnregisterNatives(JNIEnv *env, | |
1598 jclass clazz)) | |
1599 functionEnter(thr); | |
1600 jint result = UNCHECKED()->UnregisterNatives(env,clazz); | |
1601 functionExit(env); | |
1602 return result; | |
1603 JNI_END | |
1604 | |
1605 JNI_ENTRY_CHECKED(jint, | |
1606 checked_jni_MonitorEnter(JNIEnv *env, | |
1607 jobject obj)) | |
1608 functionEnter(thr); | |
1609 IN_VM( | |
1610 jniCheck::validate_object(thr, obj); | |
1611 ) | |
1612 jint result = UNCHECKED()->MonitorEnter(env,obj); | |
1613 functionExit(env); | |
1614 return result; | |
1615 JNI_END | |
1616 | |
1617 JNI_ENTRY_CHECKED(jint, | |
1618 checked_jni_MonitorExit(JNIEnv *env, | |
1619 jobject obj)) | |
1620 functionEnterExceptionAllowed(thr); | |
1621 IN_VM( | |
1622 jniCheck::validate_object(thr, obj); | |
1623 ) | |
1624 jint result = UNCHECKED()->MonitorExit(env,obj); | |
1625 functionExit(env); | |
1626 return result; | |
1627 JNI_END | |
1628 | |
1629 JNI_ENTRY_CHECKED(jint, | |
1630 checked_jni_GetJavaVM(JNIEnv *env, | |
1631 JavaVM **vm)) | |
1632 functionEnter(thr); | |
1633 jint result = UNCHECKED()->GetJavaVM(env,vm); | |
1634 functionExit(env); | |
1635 return result; | |
1636 JNI_END | |
1637 | |
1638 JNI_ENTRY_CHECKED(void, | |
1639 checked_jni_GetStringRegion(JNIEnv *env, | |
1640 jstring str, | |
1641 jsize start, | |
1642 jsize len, | |
1643 jchar *buf)) | |
1644 functionEnter(thr); | |
1645 IN_VM( | |
1646 checkString(thr, str); | |
1647 ) | |
1648 UNCHECKED()->GetStringRegion(env, str, start, len, buf); | |
1649 functionExit(env); | |
1650 JNI_END | |
1651 | |
1652 JNI_ENTRY_CHECKED(void, | |
1653 checked_jni_GetStringUTFRegion(JNIEnv *env, | |
1654 jstring str, | |
1655 jsize start, | |
1656 jsize len, | |
1657 char *buf)) | |
1658 functionEnter(thr); | |
1659 IN_VM( | |
1660 checkString(thr, str); | |
1661 ) | |
1662 UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf); | |
1663 functionExit(env); | |
1664 JNI_END | |
1665 | |
1666 JNI_ENTRY_CHECKED(void *, | |
1667 checked_jni_GetPrimitiveArrayCritical(JNIEnv *env, | |
1668 jarray array, | |
1669 jboolean *isCopy)) | |
1670 functionEnterCritical(thr); | |
1671 IN_VM( | |
1672 checkArray(thr, array, -1); | |
1673 ) | |
1674 void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy); | |
1675 functionExit(env); | |
1676 return result; | |
1677 JNI_END | |
1678 | |
1679 JNI_ENTRY_CHECKED(void, | |
1680 checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env, | |
1681 jarray array, | |
1682 void *carray, | |
1683 jint mode)) | |
1684 functionEnterCriticalExceptionAllowed(thr); | |
1685 IN_VM( | |
1686 checkArray(thr, array, -1); | |
1687 ) | |
1688 /* The Hotspot JNI code does not use the parameters, so just check the | |
1689 * array parameter as a minor sanity check | |
1690 */ | |
1691 UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, carray, mode); | |
1692 functionExit(env); | |
1693 JNI_END | |
1694 | |
1695 JNI_ENTRY_CHECKED(const jchar*, | |
1696 checked_jni_GetStringCritical(JNIEnv *env, | |
1697 jstring string, | |
1698 jboolean *isCopy)) | |
1699 functionEnterCritical(thr); | |
1700 IN_VM( | |
1701 checkString(thr, string); | |
1702 ) | |
1703 const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy); | |
1704 functionExit(env); | |
1705 return result; | |
1706 JNI_END | |
1707 | |
1708 JNI_ENTRY_CHECKED(void, | |
1709 checked_jni_ReleaseStringCritical(JNIEnv *env, | |
1710 jstring str, | |
1711 const jchar *chars)) | |
1712 functionEnterCriticalExceptionAllowed(thr); | |
1713 IN_VM( | |
1714 checkString(thr, str); | |
1715 ) | |
1716 /* The Hotspot JNI code does not use the parameters, so just check the | |
1717 * string parameter as a minor sanity check | |
1718 */ | |
1719 UNCHECKED()->ReleaseStringCritical(env, str, chars); | |
1720 functionExit(env); | |
1721 JNI_END | |
1722 | |
1723 JNI_ENTRY_CHECKED(jweak, | |
1724 checked_jni_NewWeakGlobalRef(JNIEnv *env, | |
1725 jobject obj)) | |
1726 functionEnter(thr); | |
1727 IN_VM( | |
1728 if (obj != NULL) { | |
1729 jniCheck::validate_handle(thr, obj); | |
1730 } | |
1731 ) | |
1732 jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj); | |
1733 functionExit(env); | |
1734 return result; | |
1735 JNI_END | |
1736 | |
1737 JNI_ENTRY_CHECKED(void, | |
1738 checked_jni_DeleteWeakGlobalRef(JNIEnv *env, | |
1739 jweak ref)) | |
1740 functionEnterExceptionAllowed(thr); | |
1741 UNCHECKED()->DeleteWeakGlobalRef(env, ref); | |
1742 functionExit(env); | |
1743 JNI_END | |
1744 | |
1745 JNI_ENTRY_CHECKED(jboolean, | |
1746 checked_jni_ExceptionCheck(JNIEnv *env)) | |
1747 functionEnterExceptionAllowed(thr); | |
1748 jboolean result = UNCHECKED()->ExceptionCheck(env); | |
1749 functionExit(env); | |
1750 return result; | |
1751 JNI_END | |
1752 | |
1753 JNI_ENTRY_CHECKED(jobject, | |
1754 checked_jni_NewDirectByteBuffer(JNIEnv *env, | |
1755 void *address, | |
1756 jlong capacity)) | |
1757 functionEnter(thr); | |
1758 jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity); | |
1759 functionExit(env); | |
1760 return result; | |
1761 JNI_END | |
1762 | |
1763 JNI_ENTRY_CHECKED(void *, | |
1764 checked_jni_GetDirectBufferAddress(JNIEnv *env, | |
1765 jobject buf)) | |
1766 functionEnter(thr); | |
1767 void* result = UNCHECKED()->GetDirectBufferAddress(env, buf); | |
1768 functionExit(env); | |
1769 return result; | |
1770 JNI_END | |
1771 | |
1772 JNI_ENTRY_CHECKED(jlong, | |
1773 checked_jni_GetDirectBufferCapacity(JNIEnv *env, | |
1774 jobject buf)) | |
1775 functionEnter(thr); | |
1776 jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf); | |
1777 functionExit(env); | |
1778 return result; | |
1779 JNI_END | |
1780 | |
1781 JNI_ENTRY_CHECKED(jobjectRefType, | |
1782 checked_jni_GetObjectRefType(JNIEnv *env, | |
1783 jobject obj)) | |
1784 functionEnter(thr); | |
1785 /* validate the object being passed */ | |
1786 IN_VM( | |
1787 jniCheck::validate_object(thr, obj); | |
1788 ) | |
1789 jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj); | |
1790 functionExit(env); | |
1791 return result; | |
1792 JNI_END | |
1793 | |
1794 | |
1795 JNI_ENTRY_CHECKED(jint, | |
1796 checked_jni_GetVersion(JNIEnv *env)) | |
1797 functionEnter(thr); | |
1798 jint result = UNCHECKED()->GetVersion(env); | |
1799 functionExit(env); | |
1800 return result; | |
1801 JNI_END | |
1802 | |
1803 | |
1804 | |
1805 /* | |
1806 * Structure containing all checked jni functions | |
1807 */ | |
1808 struct JNINativeInterface_ checked_jni_NativeInterface = { | |
1809 NULL, | |
1810 NULL, | |
1811 NULL, | |
1812 | |
1813 NULL, | |
1814 | |
1815 checked_jni_GetVersion, | |
1816 | |
1817 checked_jni_DefineClass, | |
1818 checked_jni_FindClass, | |
1819 | |
1820 checked_jni_FromReflectedMethod, | |
1821 checked_jni_FromReflectedField, | |
1822 | |
1823 checked_jni_ToReflectedMethod, | |
1824 | |
1825 checked_jni_GetSuperclass, | |
1826 checked_jni_IsAssignableFrom, | |
1827 | |
1828 checked_jni_ToReflectedField, | |
1829 | |
1830 checked_jni_Throw, | |
1831 checked_jni_ThrowNew, | |
1832 checked_jni_ExceptionOccurred, | |
1833 checked_jni_ExceptionDescribe, | |
1834 checked_jni_ExceptionClear, | |
1835 checked_jni_FatalError, | |
1836 | |
1837 checked_jni_PushLocalFrame, | |
1838 checked_jni_PopLocalFrame, | |
1839 | |
1840 checked_jni_NewGlobalRef, | |
1841 checked_jni_DeleteGlobalRef, | |
1842 checked_jni_DeleteLocalRef, | |
1843 checked_jni_IsSameObject, | |
1844 | |
1845 checked_jni_NewLocalRef, | |
1846 checked_jni_EnsureLocalCapacity, | |
1847 | |
1848 checked_jni_AllocObject, | |
1849 checked_jni_NewObject, | |
1850 checked_jni_NewObjectV, | |
1851 checked_jni_NewObjectA, | |
1852 | |
1853 checked_jni_GetObjectClass, | |
1854 checked_jni_IsInstanceOf, | |
1855 | |
1856 checked_jni_GetMethodID, | |
1857 | |
1858 checked_jni_CallObjectMethod, | |
1859 checked_jni_CallObjectMethodV, | |
1860 checked_jni_CallObjectMethodA, | |
1861 checked_jni_CallBooleanMethod, | |
1862 checked_jni_CallBooleanMethodV, | |
1863 checked_jni_CallBooleanMethodA, | |
1864 checked_jni_CallByteMethod, | |
1865 checked_jni_CallByteMethodV, | |
1866 checked_jni_CallByteMethodA, | |
1867 checked_jni_CallCharMethod, | |
1868 checked_jni_CallCharMethodV, | |
1869 checked_jni_CallCharMethodA, | |
1870 checked_jni_CallShortMethod, | |
1871 checked_jni_CallShortMethodV, | |
1872 checked_jni_CallShortMethodA, | |
1873 checked_jni_CallIntMethod, | |
1874 checked_jni_CallIntMethodV, | |
1875 checked_jni_CallIntMethodA, | |
1876 checked_jni_CallLongMethod, | |
1877 checked_jni_CallLongMethodV, | |
1878 checked_jni_CallLongMethodA, | |
1879 checked_jni_CallFloatMethod, | |
1880 checked_jni_CallFloatMethodV, | |
1881 checked_jni_CallFloatMethodA, | |
1882 checked_jni_CallDoubleMethod, | |
1883 checked_jni_CallDoubleMethodV, | |
1884 checked_jni_CallDoubleMethodA, | |
1885 checked_jni_CallVoidMethod, | |
1886 checked_jni_CallVoidMethodV, | |
1887 checked_jni_CallVoidMethodA, | |
1888 | |
1889 checked_jni_CallNonvirtualObjectMethod, | |
1890 checked_jni_CallNonvirtualObjectMethodV, | |
1891 checked_jni_CallNonvirtualObjectMethodA, | |
1892 checked_jni_CallNonvirtualBooleanMethod, | |
1893 checked_jni_CallNonvirtualBooleanMethodV, | |
1894 checked_jni_CallNonvirtualBooleanMethodA, | |
1895 checked_jni_CallNonvirtualByteMethod, | |
1896 checked_jni_CallNonvirtualByteMethodV, | |
1897 checked_jni_CallNonvirtualByteMethodA, | |
1898 checked_jni_CallNonvirtualCharMethod, | |
1899 checked_jni_CallNonvirtualCharMethodV, | |
1900 checked_jni_CallNonvirtualCharMethodA, | |
1901 checked_jni_CallNonvirtualShortMethod, | |
1902 checked_jni_CallNonvirtualShortMethodV, | |
1903 checked_jni_CallNonvirtualShortMethodA, | |
1904 checked_jni_CallNonvirtualIntMethod, | |
1905 checked_jni_CallNonvirtualIntMethodV, | |
1906 checked_jni_CallNonvirtualIntMethodA, | |
1907 checked_jni_CallNonvirtualLongMethod, | |
1908 checked_jni_CallNonvirtualLongMethodV, | |
1909 checked_jni_CallNonvirtualLongMethodA, | |
1910 checked_jni_CallNonvirtualFloatMethod, | |
1911 checked_jni_CallNonvirtualFloatMethodV, | |
1912 checked_jni_CallNonvirtualFloatMethodA, | |
1913 checked_jni_CallNonvirtualDoubleMethod, | |
1914 checked_jni_CallNonvirtualDoubleMethodV, | |
1915 checked_jni_CallNonvirtualDoubleMethodA, | |
1916 checked_jni_CallNonvirtualVoidMethod, | |
1917 checked_jni_CallNonvirtualVoidMethodV, | |
1918 checked_jni_CallNonvirtualVoidMethodA, | |
1919 | |
1920 checked_jni_GetFieldID, | |
1921 | |
1922 checked_jni_GetObjectField, | |
1923 checked_jni_GetBooleanField, | |
1924 checked_jni_GetByteField, | |
1925 checked_jni_GetCharField, | |
1926 checked_jni_GetShortField, | |
1927 checked_jni_GetIntField, | |
1928 checked_jni_GetLongField, | |
1929 checked_jni_GetFloatField, | |
1930 checked_jni_GetDoubleField, | |
1931 | |
1932 checked_jni_SetObjectField, | |
1933 checked_jni_SetBooleanField, | |
1934 checked_jni_SetByteField, | |
1935 checked_jni_SetCharField, | |
1936 checked_jni_SetShortField, | |
1937 checked_jni_SetIntField, | |
1938 checked_jni_SetLongField, | |
1939 checked_jni_SetFloatField, | |
1940 checked_jni_SetDoubleField, | |
1941 | |
1942 checked_jni_GetStaticMethodID, | |
1943 | |
1944 checked_jni_CallStaticObjectMethod, | |
1945 checked_jni_CallStaticObjectMethodV, | |
1946 checked_jni_CallStaticObjectMethodA, | |
1947 checked_jni_CallStaticBooleanMethod, | |
1948 checked_jni_CallStaticBooleanMethodV, | |
1949 checked_jni_CallStaticBooleanMethodA, | |
1950 checked_jni_CallStaticByteMethod, | |
1951 checked_jni_CallStaticByteMethodV, | |
1952 checked_jni_CallStaticByteMethodA, | |
1953 checked_jni_CallStaticCharMethod, | |
1954 checked_jni_CallStaticCharMethodV, | |
1955 checked_jni_CallStaticCharMethodA, | |
1956 checked_jni_CallStaticShortMethod, | |
1957 checked_jni_CallStaticShortMethodV, | |
1958 checked_jni_CallStaticShortMethodA, | |
1959 checked_jni_CallStaticIntMethod, | |
1960 checked_jni_CallStaticIntMethodV, | |
1961 checked_jni_CallStaticIntMethodA, | |
1962 checked_jni_CallStaticLongMethod, | |
1963 checked_jni_CallStaticLongMethodV, | |
1964 checked_jni_CallStaticLongMethodA, | |
1965 checked_jni_CallStaticFloatMethod, | |
1966 checked_jni_CallStaticFloatMethodV, | |
1967 checked_jni_CallStaticFloatMethodA, | |
1968 checked_jni_CallStaticDoubleMethod, | |
1969 checked_jni_CallStaticDoubleMethodV, | |
1970 checked_jni_CallStaticDoubleMethodA, | |
1971 checked_jni_CallStaticVoidMethod, | |
1972 checked_jni_CallStaticVoidMethodV, | |
1973 checked_jni_CallStaticVoidMethodA, | |
1974 | |
1975 checked_jni_GetStaticFieldID, | |
1976 | |
1977 checked_jni_GetStaticObjectField, | |
1978 checked_jni_GetStaticBooleanField, | |
1979 checked_jni_GetStaticByteField, | |
1980 checked_jni_GetStaticCharField, | |
1981 checked_jni_GetStaticShortField, | |
1982 checked_jni_GetStaticIntField, | |
1983 checked_jni_GetStaticLongField, | |
1984 checked_jni_GetStaticFloatField, | |
1985 checked_jni_GetStaticDoubleField, | |
1986 | |
1987 checked_jni_SetStaticObjectField, | |
1988 checked_jni_SetStaticBooleanField, | |
1989 checked_jni_SetStaticByteField, | |
1990 checked_jni_SetStaticCharField, | |
1991 checked_jni_SetStaticShortField, | |
1992 checked_jni_SetStaticIntField, | |
1993 checked_jni_SetStaticLongField, | |
1994 checked_jni_SetStaticFloatField, | |
1995 checked_jni_SetStaticDoubleField, | |
1996 | |
1997 checked_jni_NewString, | |
1998 checked_jni_GetStringLength, | |
1999 checked_jni_GetStringChars, | |
2000 checked_jni_ReleaseStringChars, | |
2001 | |
2002 checked_jni_NewStringUTF, | |
2003 checked_jni_GetStringUTFLength, | |
2004 checked_jni_GetStringUTFChars, | |
2005 checked_jni_ReleaseStringUTFChars, | |
2006 | |
2007 checked_jni_GetArrayLength, | |
2008 | |
2009 checked_jni_NewObjectArray, | |
2010 checked_jni_GetObjectArrayElement, | |
2011 checked_jni_SetObjectArrayElement, | |
2012 | |
2013 checked_jni_NewBooleanArray, | |
2014 checked_jni_NewByteArray, | |
2015 checked_jni_NewCharArray, | |
2016 checked_jni_NewShortArray, | |
2017 checked_jni_NewIntArray, | |
2018 checked_jni_NewLongArray, | |
2019 checked_jni_NewFloatArray, | |
2020 checked_jni_NewDoubleArray, | |
2021 | |
2022 checked_jni_GetBooleanArrayElements, | |
2023 checked_jni_GetByteArrayElements, | |
2024 checked_jni_GetCharArrayElements, | |
2025 checked_jni_GetShortArrayElements, | |
2026 checked_jni_GetIntArrayElements, | |
2027 checked_jni_GetLongArrayElements, | |
2028 checked_jni_GetFloatArrayElements, | |
2029 checked_jni_GetDoubleArrayElements, | |
2030 | |
2031 checked_jni_ReleaseBooleanArrayElements, | |
2032 checked_jni_ReleaseByteArrayElements, | |
2033 checked_jni_ReleaseCharArrayElements, | |
2034 checked_jni_ReleaseShortArrayElements, | |
2035 checked_jni_ReleaseIntArrayElements, | |
2036 checked_jni_ReleaseLongArrayElements, | |
2037 checked_jni_ReleaseFloatArrayElements, | |
2038 checked_jni_ReleaseDoubleArrayElements, | |
2039 | |
2040 checked_jni_GetBooleanArrayRegion, | |
2041 checked_jni_GetByteArrayRegion, | |
2042 checked_jni_GetCharArrayRegion, | |
2043 checked_jni_GetShortArrayRegion, | |
2044 checked_jni_GetIntArrayRegion, | |
2045 checked_jni_GetLongArrayRegion, | |
2046 checked_jni_GetFloatArrayRegion, | |
2047 checked_jni_GetDoubleArrayRegion, | |
2048 | |
2049 checked_jni_SetBooleanArrayRegion, | |
2050 checked_jni_SetByteArrayRegion, | |
2051 checked_jni_SetCharArrayRegion, | |
2052 checked_jni_SetShortArrayRegion, | |
2053 checked_jni_SetIntArrayRegion, | |
2054 checked_jni_SetLongArrayRegion, | |
2055 checked_jni_SetFloatArrayRegion, | |
2056 checked_jni_SetDoubleArrayRegion, | |
2057 | |
2058 checked_jni_RegisterNatives, | |
2059 checked_jni_UnregisterNatives, | |
2060 | |
2061 checked_jni_MonitorEnter, | |
2062 checked_jni_MonitorExit, | |
2063 | |
2064 checked_jni_GetJavaVM, | |
2065 | |
2066 checked_jni_GetStringRegion, | |
2067 checked_jni_GetStringUTFRegion, | |
2068 | |
2069 checked_jni_GetPrimitiveArrayCritical, | |
2070 checked_jni_ReleasePrimitiveArrayCritical, | |
2071 | |
2072 checked_jni_GetStringCritical, | |
2073 checked_jni_ReleaseStringCritical, | |
2074 | |
2075 checked_jni_NewWeakGlobalRef, | |
2076 checked_jni_DeleteWeakGlobalRef, | |
2077 | |
2078 checked_jni_ExceptionCheck, | |
2079 | |
2080 checked_jni_NewDirectByteBuffer, | |
2081 checked_jni_GetDirectBufferAddress, | |
2082 checked_jni_GetDirectBufferCapacity, | |
2083 | |
2084 // New 1.6 Features | |
2085 | |
2086 checked_jni_GetObjectRefType | |
2087 }; | |
2088 | |
2089 | |
2090 // Returns the function structure | |
2091 struct JNINativeInterface_* jni_functions_check() { | |
2092 | |
2093 unchecked_jni_NativeInterface = jni_functions_nocheck(); | |
2094 | |
2095 // make sure the last pointer in the checked table is not null, indicating | |
2096 // an addition to the JNINativeInterface_ structure without initializing | |
2097 // it in the checked table. | |
2098 debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \ | |
2099 sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));) | |
2100 assert(*lastPtr != 0, | |
2101 "Mismatched JNINativeInterface tables, check for new entries"); | |
2102 | |
2103 // with -verbose:jni this message will print | |
2104 if (PrintJNIResolving) { | |
2105 tty->print_cr("Checked JNI functions are being used to " \ | |
2106 "validate JNI usage"); | |
2107 } | |
2108 | |
2109 return &checked_jni_NativeInterface; | |
2110 } |