Mercurial > hg > truffle
annotate src/share/vm/runtime/reflection.cpp @ 18133:5c1bd485c54b
Truffle: fix deoptimization of int[] with double/long values
author | Andreas Woess <andreas.woess@jku.at> |
---|---|
date | Tue, 21 Oct 2014 02:31:32 +0200 |
parents | eaf39a954227 |
children |
rev | line source |
---|---|
0 | 1 /* |
18052 | 2 * Copyright (c) 1997, 2014, 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1152
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1152
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1152
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/javaClasses.hpp" | |
27 #include "classfile/symbolTable.hpp" | |
28 #include "classfile/systemDictionary.hpp" | |
29 #include "classfile/verifier.hpp" | |
30 #include "classfile/vmSymbols.hpp" | |
31 #include "interpreter/linkResolver.hpp" | |
32 #include "memory/oopFactory.hpp" | |
33 #include "memory/resourceArea.hpp" | |
34 #include "memory/universe.inline.hpp" | |
35 #include "oops/instanceKlass.hpp" | |
36 #include "oops/objArrayKlass.hpp" | |
37 #include "oops/objArrayOop.hpp" | |
38 #include "prims/jvm.h" | |
39 #include "runtime/arguments.hpp" | |
40 #include "runtime/handles.inline.hpp" | |
41 #include "runtime/javaCalls.hpp" | |
42 #include "runtime/reflection.hpp" | |
43 #include "runtime/reflectionUtils.hpp" | |
44 #include "runtime/signature.hpp" | |
45 #include "runtime/vframe.hpp" | |
0 | 46 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
47 static void trace_class_resolution(Klass* to_class) { |
0 | 48 ResourceMark rm; |
49 int line_number = -1; | |
50 const char * source_file = NULL; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
51 Klass* caller = NULL; |
0 | 52 JavaThread* jthread = JavaThread::current(); |
53 if (jthread->has_last_Java_frame()) { | |
54 vframeStream vfst(jthread); | |
55 // skip over any frames belonging to java.lang.Class | |
56 while (!vfst.at_end() && | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
57 vfst.method()->method_holder()->name() == vmSymbols::java_lang_Class()) { |
0 | 58 vfst.next(); |
59 } | |
60 if (!vfst.at_end()) { | |
61 // this frame is a likely suspect | |
62 caller = vfst.method()->method_holder(); | |
63 line_number = vfst.method()->line_number_from_bci(vfst.bci()); | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
64 Symbol* s = vfst.method()->method_holder()->source_file_name(); |
0 | 65 if (s != NULL) { |
66 source_file = s->as_C_string(); | |
67 } | |
68 } | |
69 } | |
70 if (caller != NULL) { | |
6983 | 71 const char * from = caller->external_name(); |
72 const char * to = to_class->external_name(); | |
0 | 73 // print in a single call to reduce interleaving between threads |
74 if (source_file != NULL) { | |
75 tty->print("RESOLVE %s %s %s:%d (reflection)\n", from, to, source_file, line_number); | |
76 } else { | |
77 tty->print("RESOLVE %s %s (reflection)\n", from, to); | |
78 } | |
79 } | |
80 } | |
81 | |
82 | |
83 oop Reflection::box(jvalue* value, BasicType type, TRAPS) { | |
84 if (type == T_VOID) { | |
85 return NULL; | |
86 } | |
87 if (type == T_OBJECT || type == T_ARRAY) { | |
88 // regular objects are not boxed | |
89 return (oop) value->l; | |
90 } | |
91 oop result = java_lang_boxing_object::create(type, value, CHECK_NULL); | |
92 if (result == NULL) { | |
93 THROW_(vmSymbols::java_lang_IllegalArgumentException(), result); | |
94 } | |
95 return result; | |
96 } | |
97 | |
98 | |
99 BasicType Reflection::unbox_for_primitive(oop box, jvalue* value, TRAPS) { | |
100 if (box == NULL) { | |
101 THROW_(vmSymbols::java_lang_IllegalArgumentException(), T_ILLEGAL); | |
102 } | |
103 return java_lang_boxing_object::get_value(box, value); | |
104 } | |
105 | |
106 BasicType Reflection::unbox_for_regular_object(oop box, jvalue* value) { | |
107 // Note: box is really the unboxed oop. It might even be a Short, etc.! | |
108 value->l = (jobject) box; | |
109 return T_OBJECT; | |
110 } | |
111 | |
112 | |
113 void Reflection::widen(jvalue* value, BasicType current_type, BasicType wide_type, TRAPS) { | |
114 assert(wide_type != current_type, "widen should not be called with identical types"); | |
115 switch (wide_type) { | |
116 case T_BOOLEAN: | |
117 case T_BYTE: | |
118 case T_CHAR: | |
119 break; // fail | |
120 case T_SHORT: | |
121 switch (current_type) { | |
122 case T_BYTE: | |
123 value->s = (jshort) value->b; | |
124 return; | |
125 } | |
126 break; // fail | |
127 case T_INT: | |
128 switch (current_type) { | |
129 case T_BYTE: | |
130 value->i = (jint) value->b; | |
131 return; | |
132 case T_CHAR: | |
133 value->i = (jint) value->c; | |
134 return; | |
135 case T_SHORT: | |
136 value->i = (jint) value->s; | |
137 return; | |
138 } | |
139 break; // fail | |
140 case T_LONG: | |
141 switch (current_type) { | |
142 case T_BYTE: | |
143 value->j = (jlong) value->b; | |
144 return; | |
145 case T_CHAR: | |
146 value->j = (jlong) value->c; | |
147 return; | |
148 case T_SHORT: | |
149 value->j = (jlong) value->s; | |
150 return; | |
151 case T_INT: | |
152 value->j = (jlong) value->i; | |
153 return; | |
154 } | |
155 break; // fail | |
156 case T_FLOAT: | |
157 switch (current_type) { | |
158 case T_BYTE: | |
159 value->f = (jfloat) value->b; | |
160 return; | |
161 case T_CHAR: | |
162 value->f = (jfloat) value->c; | |
163 return; | |
164 case T_SHORT: | |
165 value->f = (jfloat) value->s; | |
166 return; | |
167 case T_INT: | |
168 value->f = (jfloat) value->i; | |
169 return; | |
170 case T_LONG: | |
171 value->f = (jfloat) value->j; | |
172 return; | |
173 } | |
174 break; // fail | |
175 case T_DOUBLE: | |
176 switch (current_type) { | |
177 case T_BYTE: | |
178 value->d = (jdouble) value->b; | |
179 return; | |
180 case T_CHAR: | |
181 value->d = (jdouble) value->c; | |
182 return; | |
183 case T_SHORT: | |
184 value->d = (jdouble) value->s; | |
185 return; | |
186 case T_INT: | |
187 value->d = (jdouble) value->i; | |
188 return; | |
189 case T_FLOAT: | |
190 value->d = (jdouble) value->f; | |
191 return; | |
192 case T_LONG: | |
193 value->d = (jdouble) value->j; | |
194 return; | |
195 } | |
196 break; // fail | |
197 default: | |
198 break; // fail | |
199 } | |
200 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); | |
201 } | |
202 | |
203 | |
204 BasicType Reflection::array_get(jvalue* value, arrayOop a, int index, TRAPS) { | |
205 if (!a->is_within_bounds(index)) { | |
206 THROW_(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), T_ILLEGAL); | |
207 } | |
208 if (a->is_objArray()) { | |
209 value->l = (jobject) objArrayOop(a)->obj_at(index); | |
210 return T_OBJECT; | |
211 } else { | |
212 assert(a->is_typeArray(), "just checking"); | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
213 BasicType type = TypeArrayKlass::cast(a->klass())->element_type(); |
0 | 214 switch (type) { |
215 case T_BOOLEAN: | |
216 value->z = typeArrayOop(a)->bool_at(index); | |
217 break; | |
218 case T_CHAR: | |
219 value->c = typeArrayOop(a)->char_at(index); | |
220 break; | |
221 case T_FLOAT: | |
222 value->f = typeArrayOop(a)->float_at(index); | |
223 break; | |
224 case T_DOUBLE: | |
225 value->d = typeArrayOop(a)->double_at(index); | |
226 break; | |
227 case T_BYTE: | |
228 value->b = typeArrayOop(a)->byte_at(index); | |
229 break; | |
230 case T_SHORT: | |
231 value->s = typeArrayOop(a)->short_at(index); | |
232 break; | |
233 case T_INT: | |
234 value->i = typeArrayOop(a)->int_at(index); | |
235 break; | |
236 case T_LONG: | |
237 value->j = typeArrayOop(a)->long_at(index); | |
238 break; | |
239 default: | |
240 return T_ILLEGAL; | |
241 } | |
242 return type; | |
243 } | |
244 } | |
245 | |
246 | |
247 void Reflection::array_set(jvalue* value, arrayOop a, int index, BasicType value_type, TRAPS) { | |
248 if (!a->is_within_bounds(index)) { | |
249 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); | |
250 } | |
251 if (a->is_objArray()) { | |
252 if (value_type == T_OBJECT) { | |
253 oop obj = (oop) value->l; | |
254 if (obj != NULL) { | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
255 Klass* element_klass = ObjArrayKlass::cast(a->klass())->element_klass(); |
0 | 256 if (!obj->is_a(element_klass)) { |
257 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "array element type mismatch"); | |
258 } | |
259 } | |
260 objArrayOop(a)->obj_at_put(index, obj); | |
261 } | |
262 } else { | |
263 assert(a->is_typeArray(), "just checking"); | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
264 BasicType array_type = TypeArrayKlass::cast(a->klass())->element_type(); |
0 | 265 if (array_type != value_type) { |
266 // The widen operation can potentially throw an exception, but cannot block, | |
267 // so typeArrayOop a is safe if the call succeeds. | |
268 widen(value, value_type, array_type, CHECK); | |
269 } | |
270 switch (array_type) { | |
271 case T_BOOLEAN: | |
272 typeArrayOop(a)->bool_at_put(index, value->z); | |
273 break; | |
274 case T_CHAR: | |
275 typeArrayOop(a)->char_at_put(index, value->c); | |
276 break; | |
277 case T_FLOAT: | |
278 typeArrayOop(a)->float_at_put(index, value->f); | |
279 break; | |
280 case T_DOUBLE: | |
281 typeArrayOop(a)->double_at_put(index, value->d); | |
282 break; | |
283 case T_BYTE: | |
284 typeArrayOop(a)->byte_at_put(index, value->b); | |
285 break; | |
286 case T_SHORT: | |
287 typeArrayOop(a)->short_at_put(index, value->s); | |
288 break; | |
289 case T_INT: | |
290 typeArrayOop(a)->int_at_put(index, value->i); | |
291 break; | |
292 case T_LONG: | |
293 typeArrayOop(a)->long_at_put(index, value->j); | |
294 break; | |
295 default: | |
296 THROW(vmSymbols::java_lang_IllegalArgumentException()); | |
297 } | |
298 } | |
299 } | |
300 | |
301 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
302 Klass* Reflection::basic_type_mirror_to_arrayklass(oop basic_type_mirror, TRAPS) { |
0 | 303 assert(java_lang_Class::is_primitive(basic_type_mirror), "just checking"); |
304 BasicType type = java_lang_Class::primitive_type(basic_type_mirror); | |
305 if (type == T_VOID) { | |
306 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
307 } else { | |
308 return Universe::typeArrayKlassObj(type); | |
309 } | |
310 } | |
311 | |
312 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
313 oop Reflection:: basic_type_arrayklass_to_mirror(Klass* basic_type_arrayklass, TRAPS) { |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
314 BasicType type = TypeArrayKlass::cast(basic_type_arrayklass)->element_type(); |
0 | 315 return Universe::java_mirror(type); |
316 } | |
317 | |
318 | |
319 arrayOop Reflection::reflect_new_array(oop element_mirror, jint length, TRAPS) { | |
320 if (element_mirror == NULL) { | |
321 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
322 } | |
323 if (length < 0) { | |
324 THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); | |
325 } | |
326 if (java_lang_Class::is_primitive(element_mirror)) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
327 Klass* tak = basic_type_mirror_to_arrayklass(element_mirror, CHECK_NULL); |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
328 return TypeArrayKlass::cast(tak)->allocate(length, THREAD); |
0 | 329 } else { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
330 Klass* k = java_lang_Class::as_Klass(element_mirror); |
6983 | 331 if (k->oop_is_array() && ArrayKlass::cast(k)->dimension() >= MAX_DIM) { |
0 | 332 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
333 } | |
334 return oopFactory::new_objArray(k, length, THREAD); | |
335 } | |
336 } | |
337 | |
338 | |
339 arrayOop Reflection::reflect_new_multi_array(oop element_mirror, typeArrayOop dim_array, TRAPS) { | |
340 assert(dim_array->is_typeArray(), "just checking"); | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
341 assert(TypeArrayKlass::cast(dim_array->klass())->element_type() == T_INT, "just checking"); |
0 | 342 |
343 if (element_mirror == NULL) { | |
344 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
345 } | |
346 | |
347 int len = dim_array->length(); | |
348 if (len <= 0 || len > MAX_DIM) { | |
349 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
350 } | |
351 | |
352 jint dimensions[MAX_DIM]; // C array copy of intArrayOop | |
353 for (int i = 0; i < len; i++) { | |
354 int d = dim_array->int_at(i); | |
355 if (d < 0) { | |
356 THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); | |
357 } | |
358 dimensions[i] = d; | |
359 } | |
360 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
361 Klass* klass; |
0 | 362 int dim = len; |
363 if (java_lang_Class::is_primitive(element_mirror)) { | |
364 klass = basic_type_mirror_to_arrayklass(element_mirror, CHECK_NULL); | |
365 } else { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
366 klass = java_lang_Class::as_Klass(element_mirror); |
6983 | 367 if (klass->oop_is_array()) { |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
368 int k_dim = ArrayKlass::cast(klass)->dimension(); |
0 | 369 if (k_dim + len > MAX_DIM) { |
370 THROW_0(vmSymbols::java_lang_IllegalArgumentException()); | |
371 } | |
372 dim += k_dim; | |
373 } | |
374 } | |
6983 | 375 klass = klass->array_klass(dim, CHECK_NULL); |
10379
efe8b7d64424
6726963: multi_allocate() call does not CHECK_NULL and causes crash in fastdebug bits
ctornqvi
parents:
10378
diff
changeset
|
376 oop obj = ArrayKlass::cast(klass)->multi_allocate(len, dimensions, CHECK_NULL); |
0 | 377 assert(obj->is_array(), "just checking"); |
378 return arrayOop(obj); | |
379 } | |
380 | |
381 | |
382 oop Reflection::array_component_type(oop mirror, TRAPS) { | |
383 if (java_lang_Class::is_primitive(mirror)) { | |
384 return NULL; | |
385 } | |
386 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
387 Klass* klass = java_lang_Class::as_Klass(mirror); |
6983 | 388 if (!klass->oop_is_array()) { |
0 | 389 return NULL; |
390 } | |
391 | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
392 oop result = ArrayKlass::cast(klass)->component_mirror(); |
0 | 393 #ifdef ASSERT |
394 oop result2 = NULL; | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
395 if (ArrayKlass::cast(klass)->dimension() == 1) { |
6983 | 396 if (klass->oop_is_typeArray()) { |
0 | 397 result2 = basic_type_arrayklass_to_mirror(klass, CHECK_NULL); |
398 } else { | |
6983 | 399 result2 = ObjArrayKlass::cast(klass)->element_klass()->java_mirror(); |
0 | 400 } |
401 } else { | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6725
diff
changeset
|
402 Klass* lower_dim = ArrayKlass::cast(klass)->lower_dimension(); |
6983 | 403 assert(lower_dim->oop_is_array(), "just checking"); |
404 result2 = lower_dim->java_mirror(); | |
0 | 405 } |
406 assert(result == result2, "results must be consistent"); | |
407 #endif //ASSERT | |
408 return result; | |
409 } | |
410 | |
411 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
412 bool Reflection::reflect_check_access(Klass* field_class, AccessFlags acc, Klass* target_class, bool is_method_invoke, TRAPS) { |
0 | 413 // field_class : declaring class |
414 // acc : declared field access | |
415 // target_class : for protected | |
416 | |
417 // Check if field or method is accessible to client. Throw an | |
418 // IllegalAccessException and return false if not. | |
419 | |
420 // The "client" is the class associated with the nearest real frame | |
421 // getCallerClass already skips Method.invoke frames, so pass 0 in | |
422 // that case (same as classic). | |
423 ResourceMark rm(THREAD); | |
424 assert(THREAD->is_Java_thread(), "sanity check"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
425 Klass* client_class = ((JavaThread *)THREAD)->security_get_caller_class(is_method_invoke ? 0 : 1); |
0 | 426 |
427 if (client_class != field_class) { | |
428 if (!verify_class_access(client_class, field_class, false) | |
429 || !verify_field_access(client_class, | |
430 field_class, | |
431 field_class, | |
432 acc, | |
433 false)) { | |
434 THROW_(vmSymbols::java_lang_IllegalAccessException(), false); | |
435 } | |
436 } | |
437 | |
438 // Additional test for protected members: JLS 6.6.2 | |
439 | |
440 if (acc.is_protected()) { | |
441 if (target_class != client_class) { | |
442 if (!is_same_class_package(client_class, field_class)) { | |
6983 | 443 if (!target_class->is_subclass_of(client_class)) { |
0 | 444 THROW_(vmSymbols::java_lang_IllegalAccessException(), false); |
445 } | |
446 } | |
447 } | |
448 } | |
449 | |
450 // Passed all tests | |
451 return true; | |
452 } | |
453 | |
454 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
455 bool Reflection::verify_class_access(Klass* current_class, Klass* new_class, bool classloader_only) { |
0 | 456 // Verify that current_class can access new_class. If the classloader_only |
457 // flag is set, we automatically allow any accesses in which current_class | |
458 // doesn't have a classloader. | |
459 if ((current_class == NULL) || | |
460 (current_class == new_class) || | |
11081
c1bd7b5bdc70
8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents:
10381
diff
changeset
|
461 (new_class->is_public()) || |
0 | 462 is_same_class_package(current_class, new_class)) { |
463 return true; | |
464 } | |
465 // New (1.4) reflection implementation. Allow all accesses from | |
466 // sun/reflect/MagicAccessorImpl subclasses to succeed trivially. | |
467 if ( JDK_Version::is_gte_jdk14x_version() | |
468 && UseNewReflection | |
6983 | 469 && current_class->is_subclass_of(SystemDictionary::reflect_MagicAccessorImpl_klass())) { |
0 | 470 return true; |
471 } | |
472 | |
473 return can_relax_access_check_for(current_class, new_class, classloader_only); | |
474 } | |
475 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
476 static bool under_host_klass(InstanceKlass* ik, Klass* host_klass) { |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
477 DEBUG_ONLY(int inf_loop_check = 1000 * 1000 * 1000); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
478 for (;;) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
479 Klass* hc = (Klass*) ik->host_klass(); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
480 if (hc == NULL) return false; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
481 if (hc == host_klass) return true; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
482 ik = InstanceKlass::cast(hc); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
483 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
484 // There's no way to make a host class loop short of patching memory. |
18052 | 485 // Therefore there cannot be a loop here unless there's another bug. |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
486 // Still, let's check for it. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
487 assert(--inf_loop_check > 0, "no host_klass loop"); |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
488 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
489 } |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
490 |
0 | 491 bool Reflection::can_relax_access_check_for( |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
492 Klass* accessor, Klass* accessee, bool classloader_only) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
493 InstanceKlass* accessor_ik = InstanceKlass::cast(accessor); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
494 InstanceKlass* accessee_ik = InstanceKlass::cast(accessee); |
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
495 |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
496 // If either is on the other's host_klass chain, access is OK, |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
497 // because one is inside the other. |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
498 if (under_host_klass(accessor_ik, accessee) || |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
499 under_host_klass(accessee_ik, accessor)) |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
500 return true; |
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
196
diff
changeset
|
501 |
10381
4552a7633a07
8015385: Remove RelaxAccessControlCheck for JDK 8 bytecodes
hseigel
parents:
10379
diff
changeset
|
502 if ((RelaxAccessControlCheck && |
4552a7633a07
8015385: Remove RelaxAccessControlCheck for JDK 8 bytecodes
hseigel
parents:
10379
diff
changeset
|
503 accessor_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION && |
4552a7633a07
8015385: Remove RelaxAccessControlCheck for JDK 8 bytecodes
hseigel
parents:
10379
diff
changeset
|
504 accessee_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION) || |
4552a7633a07
8015385: Remove RelaxAccessControlCheck for JDK 8 bytecodes
hseigel
parents:
10379
diff
changeset
|
505 (accessor_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION && |
4552a7633a07
8015385: Remove RelaxAccessControlCheck for JDK 8 bytecodes
hseigel
parents:
10379
diff
changeset
|
506 accessee_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION)) { |
0 | 507 return classloader_only && |
508 Verifier::relax_verify_for(accessor_ik->class_loader()) && | |
509 accessor_ik->protection_domain() == accessee_ik->protection_domain() && | |
510 accessor_ik->class_loader() == accessee_ik->class_loader(); | |
511 } else { | |
512 return false; | |
513 } | |
514 } | |
515 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
516 bool Reflection::verify_field_access(Klass* current_class, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
517 Klass* resolved_class, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
518 Klass* field_class, |
0 | 519 AccessFlags access, |
520 bool classloader_only, | |
521 bool protected_restriction) { | |
522 // Verify that current_class can access a field of field_class, where that | |
523 // field's access bits are "access". We assume that we've already verified | |
524 // that current_class can access field_class. | |
525 // | |
526 // If the classloader_only flag is set, we automatically allow any accesses | |
527 // in which current_class doesn't have a classloader. | |
528 // | |
529 // "resolved_class" is the runtime type of "field_class". Sometimes we don't | |
530 // need this distinction (e.g. if all we have is the runtime type, or during | |
531 // class file parsing when we only care about the static type); in that case | |
532 // callers should ensure that resolved_class == field_class. | |
533 // | |
534 if ((current_class == NULL) || | |
535 (current_class == field_class) || | |
536 access.is_public()) { | |
537 return true; | |
538 } | |
539 | |
13430
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
540 Klass* host_class = current_class; |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
541 while (host_class->oop_is_instance() && |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
542 InstanceKlass::cast(host_class)->is_anonymous()) { |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
543 Klass* next_host_class = InstanceKlass::cast(host_class)->host_klass(); |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
544 if (next_host_class == NULL) break; |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
545 host_class = next_host_class; |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
546 } |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
547 if (host_class == field_class) { |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
548 return true; |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
549 } |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
550 |
0 | 551 if (access.is_protected()) { |
552 if (!protected_restriction) { | |
13430
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
553 // See if current_class (or outermost host class) is a subclass of field_class |
18052 | 554 // An interface may not access protected members of j.l.Object |
555 if (!host_class->is_interface() && host_class->is_subclass_of(field_class)) { | |
115 | 556 if (access.is_static() || // static fields are ok, see 6622385 |
557 current_class == resolved_class || | |
0 | 558 field_class == resolved_class || |
13430
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
559 host_class->is_subclass_of(resolved_class) || |
9a60f4ac6a37
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
13385
diff
changeset
|
560 resolved_class->is_subclass_of(host_class)) { |
0 | 561 return true; |
562 } | |
563 } | |
564 } | |
565 } | |
566 | |
567 if (!access.is_private() && is_same_class_package(current_class, field_class)) { | |
568 return true; | |
569 } | |
570 | |
571 // New (1.4) reflection implementation. Allow all accesses from | |
572 // sun/reflect/MagicAccessorImpl subclasses to succeed trivially. | |
573 if ( JDK_Version::is_gte_jdk14x_version() | |
574 && UseNewReflection | |
6983 | 575 && current_class->is_subclass_of(SystemDictionary::reflect_MagicAccessorImpl_klass())) { |
0 | 576 return true; |
577 } | |
578 | |
579 return can_relax_access_check_for( | |
580 current_class, field_class, classloader_only); | |
581 } | |
582 | |
583 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
584 bool Reflection::is_same_class_package(Klass* class1, Klass* class2) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
585 return InstanceKlass::cast(class1)->is_same_class_package(class2); |
0 | 586 } |
587 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
588 bool Reflection::is_same_package_member(Klass* class1, Klass* class2, TRAPS) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
589 return InstanceKlass::cast(class1)->is_same_package_member(class2, THREAD); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
590 } |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
591 |
0 | 592 |
593 // Checks that the 'outer' klass has declared 'inner' as being an inner klass. If not, | |
594 // throw an incompatible class change exception | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
595 // If inner_is_member, require the inner to be a member of the outer. |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
596 // If !inner_is_member, require the inner to be anonymous (a non-member). |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
597 // Caller is responsible for figuring out in advance which case must be true. |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
598 void Reflection::check_for_inner_class(instanceKlassHandle outer, instanceKlassHandle inner, |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
599 bool inner_is_member, TRAPS) { |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
3895
diff
changeset
|
600 InnerClassesIterator iter(outer); |
0 | 601 constantPoolHandle cp (THREAD, outer->constants()); |
5967
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
3895
diff
changeset
|
602 for (; !iter.done(); iter.next()) { |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
3895
diff
changeset
|
603 int ioff = iter.inner_class_info_index(); |
f7c4174b33ba
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
3895
diff
changeset
|
604 int ooff = iter.outer_class_info_index(); |
0 | 605 |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
606 if (inner_is_member && ioff != 0 && ooff != 0) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
607 Klass* o = cp->klass_at(ooff, CHECK); |
0 | 608 if (o == outer()) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
609 Klass* i = cp->klass_at(ioff, CHECK); |
0 | 610 if (i == inner()) { |
611 return; | |
612 } | |
613 } | |
614 } | |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
615 if (!inner_is_member && ioff != 0 && ooff == 0 && |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
616 cp->klass_name_at_matches(inner, ioff)) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
617 Klass* i = cp->klass_at(ioff, CHECK); |
665
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
618 if (i == inner()) { |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
619 return; |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
620 } |
c89f86385056
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
431
diff
changeset
|
621 } |
0 | 622 } |
623 | |
624 // 'inner' not declared as an inner klass in outer | |
625 ResourceMark rm(THREAD); | |
626 Exceptions::fthrow( | |
627 THREAD_AND_LOCATION, | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
628 vmSymbols::java_lang_IncompatibleClassChangeError(), |
0 | 629 "%s and %s disagree on InnerClasses attribute", |
630 outer->external_name(), | |
631 inner->external_name() | |
632 ); | |
633 } | |
634 | |
635 // Utility method converting a single SignatureStream element into java.lang.Class instance | |
636 | |
637 oop get_mirror_from_signature(methodHandle method, SignatureStream* ss, TRAPS) { | |
638 switch (ss->type()) { | |
639 default: | |
640 assert(ss->type() != T_VOID || ss->at_return_type(), "T_VOID should only appear as return type"); | |
641 return java_lang_Class::primitive_mirror(ss->type()); | |
642 case T_OBJECT: | |
643 case T_ARRAY: | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
644 Symbol* name = ss->as_symbol(CHECK_NULL); |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
645 oop loader = method->method_holder()->class_loader(); |
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
646 oop protection_domain = method->method_holder()->protection_domain(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
647 Klass* k = SystemDictionary::resolve_or_fail( |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
648 name, |
0 | 649 Handle(THREAD, loader), |
650 Handle(THREAD, protection_domain), | |
651 true, CHECK_NULL); | |
652 if (TraceClassResolution) { | |
653 trace_class_resolution(k); | |
654 } | |
2376
c7f3d0b4570f
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
2177
diff
changeset
|
655 return k->java_mirror(); |
0 | 656 }; |
657 } | |
658 | |
659 | |
660 objArrayHandle Reflection::get_parameter_types(methodHandle method, int parameter_count, oop* return_type, TRAPS) { | |
661 // Allocate array holding parameter types (java.lang.Class instances) | |
1142 | 662 objArrayOop m = oopFactory::new_objArray(SystemDictionary::Class_klass(), parameter_count, CHECK_(objArrayHandle())); |
0 | 663 objArrayHandle mirrors (THREAD, m); |
664 int index = 0; | |
665 // Collect parameter types | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
666 ResourceMark rm(THREAD); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
667 Symbol* signature = method->signature(); |
0 | 668 SignatureStream ss(signature); |
669 while (!ss.at_return_type()) { | |
670 oop mirror = get_mirror_from_signature(method, &ss, CHECK_(objArrayHandle())); | |
671 mirrors->obj_at_put(index++, mirror); | |
672 ss.next(); | |
673 } | |
674 assert(index == parameter_count, "invalid parameter count"); | |
675 if (return_type != NULL) { | |
676 // Collect return type as well | |
677 assert(ss.at_return_type(), "return type should be present"); | |
678 *return_type = get_mirror_from_signature(method, &ss, CHECK_(objArrayHandle())); | |
679 } | |
680 return mirrors; | |
681 } | |
682 | |
683 objArrayHandle Reflection::get_exception_types(methodHandle method, TRAPS) { | |
684 return method->resolved_checked_exceptions(CHECK_(objArrayHandle())); | |
685 } | |
686 | |
687 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
688 Handle Reflection::new_type(Symbol* signature, KlassHandle k, TRAPS) { |
0 | 689 // Basic types |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
690 BasicType type = vmSymbols::signature_type(signature); |
0 | 691 if (type != T_OBJECT) { |
692 return Handle(THREAD, Universe::java_mirror(type)); | |
693 } | |
694 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
695 oop loader = InstanceKlass::cast(k())->class_loader(); |
6983 | 696 oop protection_domain = k()->protection_domain(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
697 Klass* result = SystemDictionary::resolve_or_fail(signature, |
0 | 698 Handle(THREAD, loader), |
699 Handle(THREAD, protection_domain), | |
700 true, CHECK_(Handle())); | |
701 | |
702 if (TraceClassResolution) { | |
703 trace_class_resolution(result); | |
704 } | |
705 | |
6983 | 706 oop nt = result->java_mirror(); |
0 | 707 return Handle(THREAD, nt); |
708 } | |
709 | |
710 | |
711 oop Reflection::new_method(methodHandle method, bool intern_name, bool for_constant_pool_access, TRAPS) { | |
712 // In jdk1.2.x, getMethods on an interface erroneously includes <clinit>, thus the complicated assert. | |
713 // Also allow sun.reflect.ConstantPool to refer to <clinit> methods as java.lang.reflect.Methods. | |
714 assert(!method()->is_initializer() || | |
715 (for_constant_pool_access && method()->is_static()) || | |
716 (method()->name() == vmSymbols::class_initializer_name() | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
717 && method()->method_holder()->is_interface() && JDK_Version::is_jdk12x_version()), "should call new_constructor instead"); |
0 | 718 instanceKlassHandle holder (THREAD, method->method_holder()); |
719 int slot = method->method_idnum(); | |
720 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
721 Symbol* signature = method->signature(); |
0 | 722 int parameter_count = ArgumentCount(signature).size(); |
723 oop return_type_oop = NULL; | |
724 objArrayHandle parameter_types = get_parameter_types(method, parameter_count, &return_type_oop, CHECK_NULL); | |
725 if (parameter_types.is_null() || return_type_oop == NULL) return NULL; | |
726 | |
727 Handle return_type(THREAD, return_type_oop); | |
728 | |
729 objArrayHandle exception_types = get_exception_types(method, CHECK_NULL); | |
730 | |
731 if (exception_types.is_null()) return NULL; | |
732 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
733 Symbol* method_name = method->name(); |
0 | 734 Handle name; |
735 if (intern_name) { | |
736 // intern_name is only true with UseNewReflection | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
737 oop name_oop = StringTable::intern(method_name, CHECK_NULL); |
0 | 738 name = Handle(THREAD, name_oop); |
739 } else { | |
740 name = java_lang_String::create_from_symbol(method_name, CHECK_NULL); | |
741 } | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
742 if (name == NULL) return NULL; |
0 | 743 |
744 int modifiers = method->access_flags().as_int() & JVM_RECOGNIZED_METHOD_MODIFIERS; | |
745 | |
746 Handle mh = java_lang_reflect_Method::create(CHECK_NULL); | |
747 | |
748 java_lang_reflect_Method::set_clazz(mh(), holder->java_mirror()); | |
749 java_lang_reflect_Method::set_slot(mh(), slot); | |
750 java_lang_reflect_Method::set_name(mh(), name()); | |
751 java_lang_reflect_Method::set_return_type(mh(), return_type()); | |
752 java_lang_reflect_Method::set_parameter_types(mh(), parameter_types()); | |
753 java_lang_reflect_Method::set_exception_types(mh(), exception_types()); | |
754 java_lang_reflect_Method::set_modifiers(mh(), modifiers); | |
755 java_lang_reflect_Method::set_override(mh(), false); | |
756 if (java_lang_reflect_Method::has_signature_field() && | |
757 method->generic_signature() != NULL) { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
758 Symbol* gs = method->generic_signature(); |
0 | 759 Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
760 java_lang_reflect_Method::set_signature(mh(), sig()); | |
761 } | |
762 if (java_lang_reflect_Method::has_annotations_field()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
763 typeArrayOop an_oop = Annotations::make_java_array(method->annotations(), CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
764 java_lang_reflect_Method::set_annotations(mh(), an_oop); |
0 | 765 } |
766 if (java_lang_reflect_Method::has_parameter_annotations_field()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
767 typeArrayOop an_oop = Annotations::make_java_array(method->parameter_annotations(), CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
768 java_lang_reflect_Method::set_parameter_annotations(mh(), an_oop); |
0 | 769 } |
770 if (java_lang_reflect_Method::has_annotation_default_field()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
771 typeArrayOop an_oop = Annotations::make_java_array(method->annotation_default(), CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
772 java_lang_reflect_Method::set_annotation_default(mh(), an_oop); |
0 | 773 } |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6983
diff
changeset
|
774 if (java_lang_reflect_Method::has_type_annotations_field()) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6983
diff
changeset
|
775 typeArrayOop an_oop = Annotations::make_java_array(method->type_annotations(), CHECK_NULL); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6983
diff
changeset
|
776 java_lang_reflect_Method::set_type_annotations(mh(), an_oop); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6983
diff
changeset
|
777 } |
0 | 778 return mh(); |
779 } | |
780 | |
781 | |
782 oop Reflection::new_constructor(methodHandle method, TRAPS) { | |
783 assert(method()->is_initializer(), "should call new_method instead"); | |
784 | |
785 instanceKlassHandle holder (THREAD, method->method_holder()); | |
786 int slot = method->method_idnum(); | |
787 | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
788 Symbol* signature = method->signature(); |
0 | 789 int parameter_count = ArgumentCount(signature).size(); |
790 objArrayHandle parameter_types = get_parameter_types(method, parameter_count, NULL, CHECK_NULL); | |
791 if (parameter_types.is_null()) return NULL; | |
792 | |
793 objArrayHandle exception_types = get_exception_types(method, CHECK_NULL); | |
794 if (exception_types.is_null()) return NULL; | |
795 | |
796 int modifiers = method->access_flags().as_int() & JVM_RECOGNIZED_METHOD_MODIFIERS; | |
797 | |
798 Handle ch = java_lang_reflect_Constructor::create(CHECK_NULL); | |
799 | |
800 java_lang_reflect_Constructor::set_clazz(ch(), holder->java_mirror()); | |
801 java_lang_reflect_Constructor::set_slot(ch(), slot); | |
802 java_lang_reflect_Constructor::set_parameter_types(ch(), parameter_types()); | |
803 java_lang_reflect_Constructor::set_exception_types(ch(), exception_types()); | |
804 java_lang_reflect_Constructor::set_modifiers(ch(), modifiers); | |
805 java_lang_reflect_Constructor::set_override(ch(), false); | |
806 if (java_lang_reflect_Constructor::has_signature_field() && | |
807 method->generic_signature() != NULL) { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
808 Symbol* gs = method->generic_signature(); |
0 | 809 Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
810 java_lang_reflect_Constructor::set_signature(ch(), sig()); | |
811 } | |
812 if (java_lang_reflect_Constructor::has_annotations_field()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
813 typeArrayOop an_oop = Annotations::make_java_array(method->annotations(), CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
814 java_lang_reflect_Constructor::set_annotations(ch(), an_oop); |
0 | 815 } |
816 if (java_lang_reflect_Constructor::has_parameter_annotations_field()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
817 typeArrayOop an_oop = Annotations::make_java_array(method->parameter_annotations(), CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
818 java_lang_reflect_Constructor::set_parameter_annotations(ch(), an_oop); |
0 | 819 } |
10378
a589c78a8811
8014709: Constructor.getAnnotatedReturnType() returns empty AnnotatedType
rbackman
parents:
7588
diff
changeset
|
820 if (java_lang_reflect_Constructor::has_type_annotations_field()) { |
a589c78a8811
8014709: Constructor.getAnnotatedReturnType() returns empty AnnotatedType
rbackman
parents:
7588
diff
changeset
|
821 typeArrayOop an_oop = Annotations::make_java_array(method->type_annotations(), CHECK_NULL); |
a589c78a8811
8014709: Constructor.getAnnotatedReturnType() returns empty AnnotatedType
rbackman
parents:
7588
diff
changeset
|
822 java_lang_reflect_Constructor::set_type_annotations(ch(), an_oop); |
a589c78a8811
8014709: Constructor.getAnnotatedReturnType() returns empty AnnotatedType
rbackman
parents:
7588
diff
changeset
|
823 } |
0 | 824 return ch(); |
825 } | |
826 | |
827 | |
828 oop Reflection::new_field(fieldDescriptor* fd, bool intern_name, TRAPS) { | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
829 Symbol* field_name = fd->name(); |
0 | 830 Handle name; |
831 if (intern_name) { | |
832 // intern_name is only true with UseNewReflection | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
833 oop name_oop = StringTable::intern(field_name, CHECK_NULL); |
0 | 834 name = Handle(THREAD, name_oop); |
835 } else { | |
836 name = java_lang_String::create_from_symbol(field_name, CHECK_NULL); | |
837 } | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
838 Symbol* signature = fd->signature(); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
839 instanceKlassHandle holder (THREAD, fd->field_holder()); |
0 | 840 Handle type = new_type(signature, holder, CHECK_NULL); |
841 Handle rh = java_lang_reflect_Field::create(CHECK_NULL); | |
842 | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
843 java_lang_reflect_Field::set_clazz(rh(), fd->field_holder()->java_mirror()); |
0 | 844 java_lang_reflect_Field::set_slot(rh(), fd->index()); |
845 java_lang_reflect_Field::set_name(rh(), name()); | |
846 java_lang_reflect_Field::set_type(rh(), type()); | |
847 // Note the ACC_ANNOTATION bit, which is a per-class access flag, is never set here. | |
848 java_lang_reflect_Field::set_modifiers(rh(), fd->access_flags().as_int() & JVM_RECOGNIZED_FIELD_MODIFIERS); | |
849 java_lang_reflect_Field::set_override(rh(), false); | |
850 if (java_lang_reflect_Field::has_signature_field() && | |
6176
634b8615a6ba
7177409: Perf regression in JVM_GetClassDeclaredFields after generic signature changes.
jiangli
parents:
5967
diff
changeset
|
851 fd->has_generic_signature()) { |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
852 Symbol* gs = fd->generic_signature(); |
0 | 853 Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
854 java_lang_reflect_Field::set_signature(rh(), sig()); | |
855 } | |
856 if (java_lang_reflect_Field::has_annotations_field()) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
857 typeArrayOop an_oop = Annotations::make_java_array(fd->annotations(), CHECK_NULL); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
858 java_lang_reflect_Field::set_annotations(rh(), an_oop); |
0 | 859 } |
7457
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6983
diff
changeset
|
860 if (java_lang_reflect_Field::has_type_annotations_field()) { |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6983
diff
changeset
|
861 typeArrayOop an_oop = Annotations::make_java_array(fd->type_annotations(), CHECK_NULL); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6983
diff
changeset
|
862 java_lang_reflect_Field::set_type_annotations(rh(), an_oop); |
35431a769282
8004823: Add VM support for type annotation reflection
stefank
parents:
6983
diff
changeset
|
863 } |
0 | 864 return rh(); |
865 } | |
866 | |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
867 oop Reflection::new_parameter(Handle method, int index, Symbol* sym, |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
868 int flags, TRAPS) { |
7588
f9eb431c3efe
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
7462
diff
changeset
|
869 Handle name; |
f9eb431c3efe
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
7462
diff
changeset
|
870 |
f9eb431c3efe
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
7462
diff
changeset
|
871 // A null symbol here translates to the empty string |
f9eb431c3efe
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
7462
diff
changeset
|
872 if(NULL != sym) { |
f9eb431c3efe
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
7462
diff
changeset
|
873 name = java_lang_String::create_from_symbol(sym, CHECK_NULL); |
f9eb431c3efe
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
7462
diff
changeset
|
874 } else { |
f9eb431c3efe
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
7462
diff
changeset
|
875 name = java_lang_String::create_from_str("", CHECK_NULL); |
f9eb431c3efe
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
7462
diff
changeset
|
876 } |
f9eb431c3efe
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
7462
diff
changeset
|
877 |
7462
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
878 Handle rh = java_lang_reflect_Parameter::create(CHECK_NULL); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
879 java_lang_reflect_Parameter::set_name(rh(), name()); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
880 java_lang_reflect_Parameter::set_modifiers(rh(), flags); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
881 java_lang_reflect_Parameter::set_executable(rh(), method()); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
882 java_lang_reflect_Parameter::set_index(rh(), index); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
883 return rh(); |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
884 } |
ade95d680b42
8004728: Add hotspot support for parameter reflection
coleenp
parents:
7457
diff
changeset
|
885 |
0 | 886 |
887 methodHandle Reflection::resolve_interface_call(instanceKlassHandle klass, methodHandle method, | |
888 KlassHandle recv_klass, Handle receiver, TRAPS) { | |
889 assert(!method.is_null() , "method should not be null"); | |
890 | |
891 CallInfo info; | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
892 Symbol* signature = method->signature(); |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
893 Symbol* name = method->name(); |
0 | 894 LinkResolver::resolve_interface_call(info, receiver, recv_klass, klass, |
895 name, signature, | |
896 KlassHandle(), false, true, | |
897 CHECK_(methodHandle())); | |
898 return info.selected_method(); | |
899 } | |
900 | |
901 | |
902 oop Reflection::invoke(instanceKlassHandle klass, methodHandle reflected_method, | |
903 Handle receiver, bool override, objArrayHandle ptypes, | |
904 BasicType rtype, objArrayHandle args, bool is_method_invoke, TRAPS) { | |
905 ResourceMark rm(THREAD); | |
906 | |
907 methodHandle method; // actual method to invoke | |
908 KlassHandle target_klass; // target klass, receiver's klass for non-static | |
909 | |
910 // Ensure klass is initialized | |
911 klass->initialize(CHECK_NULL); | |
912 | |
913 bool is_static = reflected_method->is_static(); | |
914 if (is_static) { | |
915 // ignore receiver argument | |
916 method = reflected_method; | |
917 target_klass = klass; | |
918 } else { | |
919 // check for null receiver | |
920 if (receiver.is_null()) { | |
921 THROW_0(vmSymbols::java_lang_NullPointerException()); | |
922 } | |
923 // Check class of receiver against class declaring method | |
924 if (!receiver->is_a(klass())) { | |
925 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "object is not an instance of declaring class"); | |
926 } | |
927 // target klass is receiver's klass | |
928 target_klass = KlassHandle(THREAD, receiver->klass()); | |
929 // no need to resolve if method is private or <init> | |
930 if (reflected_method->is_private() || reflected_method->name() == vmSymbols::object_initializer_name()) { | |
931 method = reflected_method; | |
932 } else { | |
933 // resolve based on the receiver | |
6940
18fb7da42534
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
6934
diff
changeset
|
934 if (reflected_method->method_holder()->is_interface()) { |
0 | 935 // resolve interface call |
936 if (ReflectionWrapResolutionErrors) { | |
937 // new default: 6531596 | |
938 // Match resolution errors with those thrown due to reflection inlining | |
939 // Linktime resolution & IllegalAccessCheck already done by Class.getMethod() | |
940 method = resolve_interface_call(klass, reflected_method, target_klass, receiver, THREAD); | |
941 if (HAS_PENDING_EXCEPTION) { | |
942 // Method resolution threw an exception; wrap it in an InvocationTargetException | |
943 oop resolution_exception = PENDING_EXCEPTION; | |
944 CLEAR_PENDING_EXCEPTION; | |
945 JavaCallArguments args(Handle(THREAD, resolution_exception)); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
946 THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
947 vmSymbols::throwable_void_signature(), |
0 | 948 &args); |
949 } | |
950 } else { | |
951 method = resolve_interface_call(klass, reflected_method, target_klass, receiver, CHECK_(NULL)); | |
952 } | |
953 } else { | |
954 // if the method can be overridden, we resolve using the vtable index. | |
12264
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
11081
diff
changeset
|
955 assert(!reflected_method->has_itable_index(), ""); |
b2e698d2276c
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
11081
diff
changeset
|
956 int index = reflected_method->vtable_index(); |
0 | 957 method = reflected_method; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
958 if (index != Method::nonvirtual_vtable_index) { |
0 | 959 // target_klass might be an arrayKlassOop but all vtables start at |
960 // the same place. The cast is to avoid virtual call and assertion. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
961 InstanceKlass* inst = (InstanceKlass*)target_klass(); |
0 | 962 method = methodHandle(THREAD, inst->method_at_vtable(index)); |
963 } | |
964 if (!method.is_null()) { | |
965 // Check for abstract methods as well | |
966 if (method->is_abstract()) { | |
967 // new default: 6531596 | |
968 if (ReflectionWrapResolutionErrors) { | |
969 ResourceMark rm(THREAD); | |
970 Handle h_origexception = Exceptions::new_exception(THREAD, | |
971 vmSymbols::java_lang_AbstractMethodError(), | |
6983 | 972 Method::name_and_sig_as_C_string(target_klass(), |
0 | 973 method->name(), |
974 method->signature())); | |
975 JavaCallArguments args(h_origexception); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
976 THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
977 vmSymbols::throwable_void_signature(), |
0 | 978 &args); |
979 } else { | |
980 ResourceMark rm(THREAD); | |
981 THROW_MSG_0(vmSymbols::java_lang_AbstractMethodError(), | |
6983 | 982 Method::name_and_sig_as_C_string(target_klass(), |
0 | 983 method->name(), |
984 method->signature())); | |
985 } | |
986 } | |
987 } | |
988 } | |
989 } | |
990 } | |
991 | |
992 // I believe this is a ShouldNotGetHere case which requires | |
993 // an internal vtable bug. If you ever get this please let Karen know. | |
994 if (method.is_null()) { | |
995 ResourceMark rm(THREAD); | |
996 THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), | |
6983 | 997 Method::name_and_sig_as_C_string(klass(), |
0 | 998 reflected_method->name(), |
999 reflected_method->signature())); | |
1000 } | |
1001 | |
1002 // In the JDK 1.4 reflection implementation, the security check is | |
1003 // done at the Java level | |
1004 if (!(JDK_Version::is_gte_jdk14x_version() && UseNewReflection)) { | |
1005 | |
1006 // Access checking (unless overridden by Method) | |
1007 if (!override) { | |
1008 if (!(klass->is_public() && reflected_method->is_public())) { | |
1009 bool access = Reflection::reflect_check_access(klass(), reflected_method->access_flags(), target_klass(), is_method_invoke, CHECK_NULL); | |
1010 if (!access) { | |
1011 return NULL; // exception | |
1012 } | |
1013 } | |
1014 } | |
1015 | |
1016 } // !(Universe::is_gte_jdk14x_version() && UseNewReflection) | |
1017 | |
1018 assert(ptypes->is_objArray(), "just checking"); | |
1019 int args_len = args.is_null() ? 0 : args->length(); | |
1020 // Check number of arguments | |
1021 if (ptypes->length() != args_len) { | |
1022 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "wrong number of arguments"); | |
1023 } | |
1024 | |
1025 // Create object to contain parameters for the JavaCall | |
1026 JavaCallArguments java_args(method->size_of_parameters()); | |
1027 | |
1028 if (!is_static) { | |
1029 java_args.push_oop(receiver); | |
1030 } | |
1031 | |
1032 for (int i = 0; i < args_len; i++) { | |
1033 oop type_mirror = ptypes->obj_at(i); | |
1034 oop arg = args->obj_at(i); | |
1035 if (java_lang_Class::is_primitive(type_mirror)) { | |
1036 jvalue value; | |
1037 BasicType ptype = basic_type_mirror_to_basic_type(type_mirror, CHECK_NULL); | |
1038 BasicType atype = unbox_for_primitive(arg, &value, CHECK_NULL); | |
1039 if (ptype != atype) { | |
1040 widen(&value, atype, ptype, CHECK_NULL); | |
1041 } | |
1042 switch (ptype) { | |
1043 case T_BOOLEAN: java_args.push_int(value.z); break; | |
1044 case T_CHAR: java_args.push_int(value.c); break; | |
1045 case T_BYTE: java_args.push_int(value.b); break; | |
1046 case T_SHORT: java_args.push_int(value.s); break; | |
1047 case T_INT: java_args.push_int(value.i); break; | |
1048 case T_LONG: java_args.push_long(value.j); break; | |
1049 case T_FLOAT: java_args.push_float(value.f); break; | |
1050 case T_DOUBLE: java_args.push_double(value.d); break; | |
1051 default: | |
1052 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); | |
1053 } | |
1054 } else { | |
1055 if (arg != NULL) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1056 Klass* k = java_lang_Class::as_Klass(type_mirror); |
0 | 1057 if (!arg->is_a(k)) { |
1058 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); | |
1059 } | |
1060 } | |
1061 Handle arg_handle(THREAD, arg); // Create handle for argument | |
1062 java_args.push_oop(arg_handle); // Push handle | |
1063 } | |
1064 } | |
1065 | |
1066 assert(java_args.size_of_parameters() == method->size_of_parameters(), "just checking"); | |
1067 | |
1068 // All oops (including receiver) is passed in as Handles. An potential oop is returned as an | |
1069 // oop (i.e., NOT as an handle) | |
1070 JavaValue result(rtype); | |
1071 JavaCalls::call(&result, method, &java_args, THREAD); | |
1072 | |
1073 if (HAS_PENDING_EXCEPTION) { | |
1074 // Method threw an exception; wrap it in an InvocationTargetException | |
1075 oop target_exception = PENDING_EXCEPTION; | |
1076 CLEAR_PENDING_EXCEPTION; | |
1077 JavaCallArguments args(Handle(THREAD, target_exception)); | |
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1078 THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
1972
diff
changeset
|
1079 vmSymbols::throwable_void_signature(), |
0 | 1080 &args); |
1081 } else { | |
1082 if (rtype == T_BOOLEAN || rtype == T_BYTE || rtype == T_CHAR || rtype == T_SHORT) | |
1083 narrow((jvalue*) result.get_value_addr(), rtype, CHECK_NULL); | |
1084 return box((jvalue*) result.get_value_addr(), rtype, CHECK_NULL); | |
1085 } | |
1086 } | |
1087 | |
1088 | |
1089 void Reflection::narrow(jvalue* value, BasicType narrow_type, TRAPS) { | |
1090 switch (narrow_type) { | |
1091 case T_BOOLEAN: | |
1092 value->z = (jboolean) value->i; | |
1093 return; | |
1094 case T_BYTE: | |
1095 value->b = (jbyte) value->i; | |
1096 return; | |
1097 case T_CHAR: | |
1098 value->c = (jchar) value->i; | |
1099 return; | |
1100 case T_SHORT: | |
1101 value->s = (jshort) value->i; | |
1102 return; | |
1103 default: | |
1104 break; // fail | |
1105 } | |
1106 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); | |
1107 } | |
1108 | |
1109 | |
1110 BasicType Reflection::basic_type_mirror_to_basic_type(oop basic_type_mirror, TRAPS) { | |
1111 assert(java_lang_Class::is_primitive(basic_type_mirror), "just checking"); | |
1112 return java_lang_Class::primitive_type(basic_type_mirror); | |
1113 } | |
1114 | |
1115 // This would be nicer if, say, java.lang.reflect.Method was a subclass | |
1116 // of java.lang.reflect.Constructor | |
1117 | |
1118 oop Reflection::invoke_method(oop method_mirror, Handle receiver, objArrayHandle args, TRAPS) { | |
1119 oop mirror = java_lang_reflect_Method::clazz(method_mirror); | |
1120 int slot = java_lang_reflect_Method::slot(method_mirror); | |
1121 bool override = java_lang_reflect_Method::override(method_mirror) != 0; | |
1122 objArrayHandle ptypes(THREAD, objArrayOop(java_lang_reflect_Method::parameter_types(method_mirror))); | |
1123 | |
1124 oop return_type_mirror = java_lang_reflect_Method::return_type(method_mirror); | |
1125 BasicType rtype; | |
1126 if (java_lang_Class::is_primitive(return_type_mirror)) { | |
1127 rtype = basic_type_mirror_to_basic_type(return_type_mirror, CHECK_NULL); | |
1128 } else { | |
1129 rtype = T_OBJECT; | |
1130 } | |
1131 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1132 instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(mirror)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1133 Method* m = klass->method_with_idnum(slot); |
51
1ffa5cdd0b7e
6667089: 3/3 multiple redefinitions of a class break reflection
dcubed
parents:
0
diff
changeset
|
1134 if (m == NULL) { |
0 | 1135 THROW_MSG_0(vmSymbols::java_lang_InternalError(), "invoke"); |
1136 } | |
51
1ffa5cdd0b7e
6667089: 3/3 multiple redefinitions of a class break reflection
dcubed
parents:
0
diff
changeset
|
1137 methodHandle method(THREAD, m); |
0 | 1138 |
1139 return invoke(klass, method, receiver, override, ptypes, rtype, args, true, THREAD); | |
1140 } | |
1141 | |
1142 | |
1143 oop Reflection::invoke_constructor(oop constructor_mirror, objArrayHandle args, TRAPS) { | |
1144 oop mirror = java_lang_reflect_Constructor::clazz(constructor_mirror); | |
1145 int slot = java_lang_reflect_Constructor::slot(constructor_mirror); | |
1146 bool override = java_lang_reflect_Constructor::override(constructor_mirror) != 0; | |
1147 objArrayHandle ptypes(THREAD, objArrayOop(java_lang_reflect_Constructor::parameter_types(constructor_mirror))); | |
1148 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1149 instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(mirror)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1150 Method* m = klass->method_with_idnum(slot); |
51
1ffa5cdd0b7e
6667089: 3/3 multiple redefinitions of a class break reflection
dcubed
parents:
0
diff
changeset
|
1151 if (m == NULL) { |
0 | 1152 THROW_MSG_0(vmSymbols::java_lang_InternalError(), "invoke"); |
1153 } | |
51
1ffa5cdd0b7e
6667089: 3/3 multiple redefinitions of a class break reflection
dcubed
parents:
0
diff
changeset
|
1154 methodHandle method(THREAD, m); |
0 | 1155 assert(method->name() == vmSymbols::object_initializer_name(), "invalid constructor"); |
1156 | |
1157 // Make sure klass gets initialize | |
1158 klass->initialize(CHECK_NULL); | |
1159 | |
1160 // Create new instance (the receiver) | |
1161 klass->check_valid_for_instantiation(false, CHECK_NULL); | |
1162 Handle receiver = klass->allocate_instance_handle(CHECK_NULL); | |
1163 | |
1164 // Ignore result from call and return receiver | |
1165 invoke(klass, method, receiver, override, ptypes, T_VOID, args, false, CHECK_NULL); | |
1166 return receiver(); | |
1167 } |