Fri, 31 Oct 2014 12:16:20 +0100
8062169: Multiple OSR compilations issued for same bci
Summary: Fixed 'SimpleThresholdPolicy::event' to always perform OSR if an OSR nmethod is available.
Reviewed-by: kvn, iveresov
duke@435 | 1 | /* |
hseigel@6824 | 2 | * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "classfile/javaClasses.hpp" |
stefank@2314 | 27 | #include "classfile/symbolTable.hpp" |
stefank@2314 | 28 | #include "classfile/systemDictionary.hpp" |
stefank@2314 | 29 | #include "classfile/verifier.hpp" |
stefank@2314 | 30 | #include "classfile/vmSymbols.hpp" |
stefank@2314 | 31 | #include "interpreter/linkResolver.hpp" |
stefank@2314 | 32 | #include "memory/oopFactory.hpp" |
stefank@2314 | 33 | #include "memory/resourceArea.hpp" |
stefank@2314 | 34 | #include "memory/universe.inline.hpp" |
stefank@2314 | 35 | #include "oops/instanceKlass.hpp" |
stefank@2314 | 36 | #include "oops/objArrayKlass.hpp" |
stefank@2314 | 37 | #include "oops/objArrayOop.hpp" |
stefank@2314 | 38 | #include "prims/jvm.h" |
stefank@2314 | 39 | #include "runtime/arguments.hpp" |
stefank@2314 | 40 | #include "runtime/handles.inline.hpp" |
stefank@2314 | 41 | #include "runtime/javaCalls.hpp" |
stefank@2314 | 42 | #include "runtime/reflection.hpp" |
stefank@2314 | 43 | #include "runtime/reflectionUtils.hpp" |
stefank@2314 | 44 | #include "runtime/signature.hpp" |
stefank@2314 | 45 | #include "runtime/vframe.hpp" |
duke@435 | 46 | |
coleenp@4037 | 47 | static void trace_class_resolution(Klass* to_class) { |
duke@435 | 48 | ResourceMark rm; |
duke@435 | 49 | int line_number = -1; |
duke@435 | 50 | const char * source_file = NULL; |
coleenp@4037 | 51 | Klass* caller = NULL; |
duke@435 | 52 | JavaThread* jthread = JavaThread::current(); |
duke@435 | 53 | if (jthread->has_last_Java_frame()) { |
duke@435 | 54 | vframeStream vfst(jthread); |
duke@435 | 55 | // skip over any frames belonging to java.lang.Class |
duke@435 | 56 | while (!vfst.at_end() && |
coleenp@4251 | 57 | vfst.method()->method_holder()->name() == vmSymbols::java_lang_Class()) { |
duke@435 | 58 | vfst.next(); |
duke@435 | 59 | } |
duke@435 | 60 | if (!vfst.at_end()) { |
duke@435 | 61 | // this frame is a likely suspect |
duke@435 | 62 | caller = vfst.method()->method_holder(); |
duke@435 | 63 | line_number = vfst.method()->line_number_from_bci(vfst.bci()); |
coleenp@4251 | 64 | Symbol* s = vfst.method()->method_holder()->source_file_name(); |
duke@435 | 65 | if (s != NULL) { |
duke@435 | 66 | source_file = s->as_C_string(); |
duke@435 | 67 | } |
duke@435 | 68 | } |
duke@435 | 69 | } |
duke@435 | 70 | if (caller != NULL) { |
hseigel@4278 | 71 | const char * from = caller->external_name(); |
hseigel@4278 | 72 | const char * to = to_class->external_name(); |
duke@435 | 73 | // print in a single call to reduce interleaving between threads |
duke@435 | 74 | if (source_file != NULL) { |
duke@435 | 75 | tty->print("RESOLVE %s %s %s:%d (reflection)\n", from, to, source_file, line_number); |
duke@435 | 76 | } else { |
duke@435 | 77 | tty->print("RESOLVE %s %s (reflection)\n", from, to); |
duke@435 | 78 | } |
duke@435 | 79 | } |
duke@435 | 80 | } |
duke@435 | 81 | |
duke@435 | 82 | |
duke@435 | 83 | oop Reflection::box(jvalue* value, BasicType type, TRAPS) { |
duke@435 | 84 | if (type == T_VOID) { |
duke@435 | 85 | return NULL; |
duke@435 | 86 | } |
duke@435 | 87 | if (type == T_OBJECT || type == T_ARRAY) { |
duke@435 | 88 | // regular objects are not boxed |
duke@435 | 89 | return (oop) value->l; |
duke@435 | 90 | } |
duke@435 | 91 | oop result = java_lang_boxing_object::create(type, value, CHECK_NULL); |
duke@435 | 92 | if (result == NULL) { |
duke@435 | 93 | THROW_(vmSymbols::java_lang_IllegalArgumentException(), result); |
duke@435 | 94 | } |
duke@435 | 95 | return result; |
duke@435 | 96 | } |
duke@435 | 97 | |
duke@435 | 98 | |
duke@435 | 99 | BasicType Reflection::unbox_for_primitive(oop box, jvalue* value, TRAPS) { |
duke@435 | 100 | if (box == NULL) { |
duke@435 | 101 | THROW_(vmSymbols::java_lang_IllegalArgumentException(), T_ILLEGAL); |
duke@435 | 102 | } |
duke@435 | 103 | return java_lang_boxing_object::get_value(box, value); |
duke@435 | 104 | } |
duke@435 | 105 | |
duke@435 | 106 | BasicType Reflection::unbox_for_regular_object(oop box, jvalue* value) { |
duke@435 | 107 | // Note: box is really the unboxed oop. It might even be a Short, etc.! |
duke@435 | 108 | value->l = (jobject) box; |
duke@435 | 109 | return T_OBJECT; |
duke@435 | 110 | } |
duke@435 | 111 | |
duke@435 | 112 | |
duke@435 | 113 | void Reflection::widen(jvalue* value, BasicType current_type, BasicType wide_type, TRAPS) { |
duke@435 | 114 | assert(wide_type != current_type, "widen should not be called with identical types"); |
duke@435 | 115 | switch (wide_type) { |
duke@435 | 116 | case T_BOOLEAN: |
duke@435 | 117 | case T_BYTE: |
duke@435 | 118 | case T_CHAR: |
duke@435 | 119 | break; // fail |
duke@435 | 120 | case T_SHORT: |
duke@435 | 121 | switch (current_type) { |
duke@435 | 122 | case T_BYTE: |
duke@435 | 123 | value->s = (jshort) value->b; |
duke@435 | 124 | return; |
duke@435 | 125 | } |
duke@435 | 126 | break; // fail |
duke@435 | 127 | case T_INT: |
duke@435 | 128 | switch (current_type) { |
duke@435 | 129 | case T_BYTE: |
duke@435 | 130 | value->i = (jint) value->b; |
duke@435 | 131 | return; |
duke@435 | 132 | case T_CHAR: |
duke@435 | 133 | value->i = (jint) value->c; |
duke@435 | 134 | return; |
duke@435 | 135 | case T_SHORT: |
duke@435 | 136 | value->i = (jint) value->s; |
duke@435 | 137 | return; |
duke@435 | 138 | } |
duke@435 | 139 | break; // fail |
duke@435 | 140 | case T_LONG: |
duke@435 | 141 | switch (current_type) { |
duke@435 | 142 | case T_BYTE: |
duke@435 | 143 | value->j = (jlong) value->b; |
duke@435 | 144 | return; |
duke@435 | 145 | case T_CHAR: |
duke@435 | 146 | value->j = (jlong) value->c; |
duke@435 | 147 | return; |
duke@435 | 148 | case T_SHORT: |
duke@435 | 149 | value->j = (jlong) value->s; |
duke@435 | 150 | return; |
duke@435 | 151 | case T_INT: |
duke@435 | 152 | value->j = (jlong) value->i; |
duke@435 | 153 | return; |
duke@435 | 154 | } |
duke@435 | 155 | break; // fail |
duke@435 | 156 | case T_FLOAT: |
duke@435 | 157 | switch (current_type) { |
duke@435 | 158 | case T_BYTE: |
duke@435 | 159 | value->f = (jfloat) value->b; |
duke@435 | 160 | return; |
duke@435 | 161 | case T_CHAR: |
duke@435 | 162 | value->f = (jfloat) value->c; |
duke@435 | 163 | return; |
duke@435 | 164 | case T_SHORT: |
duke@435 | 165 | value->f = (jfloat) value->s; |
duke@435 | 166 | return; |
duke@435 | 167 | case T_INT: |
duke@435 | 168 | value->f = (jfloat) value->i; |
duke@435 | 169 | return; |
duke@435 | 170 | case T_LONG: |
duke@435 | 171 | value->f = (jfloat) value->j; |
duke@435 | 172 | return; |
duke@435 | 173 | } |
duke@435 | 174 | break; // fail |
duke@435 | 175 | case T_DOUBLE: |
duke@435 | 176 | switch (current_type) { |
duke@435 | 177 | case T_BYTE: |
duke@435 | 178 | value->d = (jdouble) value->b; |
duke@435 | 179 | return; |
duke@435 | 180 | case T_CHAR: |
duke@435 | 181 | value->d = (jdouble) value->c; |
duke@435 | 182 | return; |
duke@435 | 183 | case T_SHORT: |
duke@435 | 184 | value->d = (jdouble) value->s; |
duke@435 | 185 | return; |
duke@435 | 186 | case T_INT: |
duke@435 | 187 | value->d = (jdouble) value->i; |
duke@435 | 188 | return; |
duke@435 | 189 | case T_FLOAT: |
duke@435 | 190 | value->d = (jdouble) value->f; |
duke@435 | 191 | return; |
duke@435 | 192 | case T_LONG: |
duke@435 | 193 | value->d = (jdouble) value->j; |
duke@435 | 194 | return; |
duke@435 | 195 | } |
duke@435 | 196 | break; // fail |
duke@435 | 197 | default: |
duke@435 | 198 | break; // fail |
duke@435 | 199 | } |
duke@435 | 200 | THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
duke@435 | 201 | } |
duke@435 | 202 | |
duke@435 | 203 | |
duke@435 | 204 | BasicType Reflection::array_get(jvalue* value, arrayOop a, int index, TRAPS) { |
duke@435 | 205 | if (!a->is_within_bounds(index)) { |
duke@435 | 206 | THROW_(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), T_ILLEGAL); |
duke@435 | 207 | } |
duke@435 | 208 | if (a->is_objArray()) { |
duke@435 | 209 | value->l = (jobject) objArrayOop(a)->obj_at(index); |
duke@435 | 210 | return T_OBJECT; |
duke@435 | 211 | } else { |
duke@435 | 212 | assert(a->is_typeArray(), "just checking"); |
coleenp@4142 | 213 | BasicType type = TypeArrayKlass::cast(a->klass())->element_type(); |
duke@435 | 214 | switch (type) { |
duke@435 | 215 | case T_BOOLEAN: |
duke@435 | 216 | value->z = typeArrayOop(a)->bool_at(index); |
duke@435 | 217 | break; |
duke@435 | 218 | case T_CHAR: |
duke@435 | 219 | value->c = typeArrayOop(a)->char_at(index); |
duke@435 | 220 | break; |
duke@435 | 221 | case T_FLOAT: |
duke@435 | 222 | value->f = typeArrayOop(a)->float_at(index); |
duke@435 | 223 | break; |
duke@435 | 224 | case T_DOUBLE: |
duke@435 | 225 | value->d = typeArrayOop(a)->double_at(index); |
duke@435 | 226 | break; |
duke@435 | 227 | case T_BYTE: |
duke@435 | 228 | value->b = typeArrayOop(a)->byte_at(index); |
duke@435 | 229 | break; |
duke@435 | 230 | case T_SHORT: |
duke@435 | 231 | value->s = typeArrayOop(a)->short_at(index); |
duke@435 | 232 | break; |
duke@435 | 233 | case T_INT: |
duke@435 | 234 | value->i = typeArrayOop(a)->int_at(index); |
duke@435 | 235 | break; |
duke@435 | 236 | case T_LONG: |
duke@435 | 237 | value->j = typeArrayOop(a)->long_at(index); |
duke@435 | 238 | break; |
duke@435 | 239 | default: |
duke@435 | 240 | return T_ILLEGAL; |
duke@435 | 241 | } |
duke@435 | 242 | return type; |
duke@435 | 243 | } |
duke@435 | 244 | } |
duke@435 | 245 | |
duke@435 | 246 | |
duke@435 | 247 | void Reflection::array_set(jvalue* value, arrayOop a, int index, BasicType value_type, TRAPS) { |
duke@435 | 248 | if (!a->is_within_bounds(index)) { |
duke@435 | 249 | THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); |
duke@435 | 250 | } |
duke@435 | 251 | if (a->is_objArray()) { |
duke@435 | 252 | if (value_type == T_OBJECT) { |
duke@435 | 253 | oop obj = (oop) value->l; |
duke@435 | 254 | if (obj != NULL) { |
coleenp@4142 | 255 | Klass* element_klass = ObjArrayKlass::cast(a->klass())->element_klass(); |
duke@435 | 256 | if (!obj->is_a(element_klass)) { |
duke@435 | 257 | THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "array element type mismatch"); |
duke@435 | 258 | } |
duke@435 | 259 | } |
duke@435 | 260 | objArrayOop(a)->obj_at_put(index, obj); |
duke@435 | 261 | } |
duke@435 | 262 | } else { |
duke@435 | 263 | assert(a->is_typeArray(), "just checking"); |
coleenp@4142 | 264 | BasicType array_type = TypeArrayKlass::cast(a->klass())->element_type(); |
duke@435 | 265 | if (array_type != value_type) { |
duke@435 | 266 | // The widen operation can potentially throw an exception, but cannot block, |
duke@435 | 267 | // so typeArrayOop a is safe if the call succeeds. |
duke@435 | 268 | widen(value, value_type, array_type, CHECK); |
duke@435 | 269 | } |
duke@435 | 270 | switch (array_type) { |
duke@435 | 271 | case T_BOOLEAN: |
duke@435 | 272 | typeArrayOop(a)->bool_at_put(index, value->z); |
duke@435 | 273 | break; |
duke@435 | 274 | case T_CHAR: |
duke@435 | 275 | typeArrayOop(a)->char_at_put(index, value->c); |
duke@435 | 276 | break; |
duke@435 | 277 | case T_FLOAT: |
duke@435 | 278 | typeArrayOop(a)->float_at_put(index, value->f); |
duke@435 | 279 | break; |
duke@435 | 280 | case T_DOUBLE: |
duke@435 | 281 | typeArrayOop(a)->double_at_put(index, value->d); |
duke@435 | 282 | break; |
duke@435 | 283 | case T_BYTE: |
duke@435 | 284 | typeArrayOop(a)->byte_at_put(index, value->b); |
duke@435 | 285 | break; |
duke@435 | 286 | case T_SHORT: |
duke@435 | 287 | typeArrayOop(a)->short_at_put(index, value->s); |
duke@435 | 288 | break; |
duke@435 | 289 | case T_INT: |
duke@435 | 290 | typeArrayOop(a)->int_at_put(index, value->i); |
duke@435 | 291 | break; |
duke@435 | 292 | case T_LONG: |
duke@435 | 293 | typeArrayOop(a)->long_at_put(index, value->j); |
duke@435 | 294 | break; |
duke@435 | 295 | default: |
duke@435 | 296 | THROW(vmSymbols::java_lang_IllegalArgumentException()); |
duke@435 | 297 | } |
duke@435 | 298 | } |
duke@435 | 299 | } |
duke@435 | 300 | |
duke@435 | 301 | |
coleenp@4037 | 302 | Klass* Reflection::basic_type_mirror_to_arrayklass(oop basic_type_mirror, TRAPS) { |
duke@435 | 303 | assert(java_lang_Class::is_primitive(basic_type_mirror), "just checking"); |
duke@435 | 304 | BasicType type = java_lang_Class::primitive_type(basic_type_mirror); |
duke@435 | 305 | if (type == T_VOID) { |
duke@435 | 306 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
duke@435 | 307 | } else { |
duke@435 | 308 | return Universe::typeArrayKlassObj(type); |
duke@435 | 309 | } |
duke@435 | 310 | } |
duke@435 | 311 | |
duke@435 | 312 | |
coleenp@4037 | 313 | oop Reflection:: basic_type_arrayklass_to_mirror(Klass* basic_type_arrayklass, TRAPS) { |
coleenp@4142 | 314 | BasicType type = TypeArrayKlass::cast(basic_type_arrayklass)->element_type(); |
duke@435 | 315 | return Universe::java_mirror(type); |
duke@435 | 316 | } |
duke@435 | 317 | |
duke@435 | 318 | |
duke@435 | 319 | arrayOop Reflection::reflect_new_array(oop element_mirror, jint length, TRAPS) { |
duke@435 | 320 | if (element_mirror == NULL) { |
duke@435 | 321 | THROW_0(vmSymbols::java_lang_NullPointerException()); |
duke@435 | 322 | } |
duke@435 | 323 | if (length < 0) { |
duke@435 | 324 | THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); |
duke@435 | 325 | } |
duke@435 | 326 | if (java_lang_Class::is_primitive(element_mirror)) { |
coleenp@4037 | 327 | Klass* tak = basic_type_mirror_to_arrayklass(element_mirror, CHECK_NULL); |
coleenp@4142 | 328 | return TypeArrayKlass::cast(tak)->allocate(length, THREAD); |
duke@435 | 329 | } else { |
coleenp@4037 | 330 | Klass* k = java_lang_Class::as_Klass(element_mirror); |
hseigel@4278 | 331 | if (k->oop_is_array() && ArrayKlass::cast(k)->dimension() >= MAX_DIM) { |
duke@435 | 332 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
duke@435 | 333 | } |
duke@435 | 334 | return oopFactory::new_objArray(k, length, THREAD); |
duke@435 | 335 | } |
duke@435 | 336 | } |
duke@435 | 337 | |
duke@435 | 338 | |
duke@435 | 339 | arrayOop Reflection::reflect_new_multi_array(oop element_mirror, typeArrayOop dim_array, TRAPS) { |
duke@435 | 340 | assert(dim_array->is_typeArray(), "just checking"); |
coleenp@4142 | 341 | assert(TypeArrayKlass::cast(dim_array->klass())->element_type() == T_INT, "just checking"); |
duke@435 | 342 | |
duke@435 | 343 | if (element_mirror == NULL) { |
duke@435 | 344 | THROW_0(vmSymbols::java_lang_NullPointerException()); |
duke@435 | 345 | } |
duke@435 | 346 | |
duke@435 | 347 | int len = dim_array->length(); |
duke@435 | 348 | if (len <= 0 || len > MAX_DIM) { |
duke@435 | 349 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
duke@435 | 350 | } |
duke@435 | 351 | |
duke@435 | 352 | jint dimensions[MAX_DIM]; // C array copy of intArrayOop |
duke@435 | 353 | for (int i = 0; i < len; i++) { |
duke@435 | 354 | int d = dim_array->int_at(i); |
duke@435 | 355 | if (d < 0) { |
duke@435 | 356 | THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); |
duke@435 | 357 | } |
duke@435 | 358 | dimensions[i] = d; |
duke@435 | 359 | } |
duke@435 | 360 | |
coleenp@4037 | 361 | Klass* klass; |
duke@435 | 362 | int dim = len; |
duke@435 | 363 | if (java_lang_Class::is_primitive(element_mirror)) { |
duke@435 | 364 | klass = basic_type_mirror_to_arrayklass(element_mirror, CHECK_NULL); |
duke@435 | 365 | } else { |
coleenp@4037 | 366 | klass = java_lang_Class::as_Klass(element_mirror); |
hseigel@4278 | 367 | if (klass->oop_is_array()) { |
coleenp@4142 | 368 | int k_dim = ArrayKlass::cast(klass)->dimension(); |
duke@435 | 369 | if (k_dim + len > MAX_DIM) { |
duke@435 | 370 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
duke@435 | 371 | } |
duke@435 | 372 | dim += k_dim; |
duke@435 | 373 | } |
duke@435 | 374 | } |
hseigel@4278 | 375 | klass = klass->array_klass(dim, CHECK_NULL); |
ctornqvi@5211 | 376 | oop obj = ArrayKlass::cast(klass)->multi_allocate(len, dimensions, CHECK_NULL); |
duke@435 | 377 | assert(obj->is_array(), "just checking"); |
duke@435 | 378 | return arrayOop(obj); |
duke@435 | 379 | } |
duke@435 | 380 | |
duke@435 | 381 | |
duke@435 | 382 | oop Reflection::array_component_type(oop mirror, TRAPS) { |
duke@435 | 383 | if (java_lang_Class::is_primitive(mirror)) { |
duke@435 | 384 | return NULL; |
duke@435 | 385 | } |
duke@435 | 386 | |
coleenp@4037 | 387 | Klass* klass = java_lang_Class::as_Klass(mirror); |
hseigel@4278 | 388 | if (!klass->oop_is_array()) { |
duke@435 | 389 | return NULL; |
duke@435 | 390 | } |
duke@435 | 391 | |
coleenp@4142 | 392 | oop result = ArrayKlass::cast(klass)->component_mirror(); |
duke@435 | 393 | #ifdef ASSERT |
duke@435 | 394 | oop result2 = NULL; |
coleenp@4142 | 395 | if (ArrayKlass::cast(klass)->dimension() == 1) { |
hseigel@4278 | 396 | if (klass->oop_is_typeArray()) { |
duke@435 | 397 | result2 = basic_type_arrayklass_to_mirror(klass, CHECK_NULL); |
duke@435 | 398 | } else { |
hseigel@4278 | 399 | result2 = ObjArrayKlass::cast(klass)->element_klass()->java_mirror(); |
duke@435 | 400 | } |
duke@435 | 401 | } else { |
coleenp@4142 | 402 | Klass* lower_dim = ArrayKlass::cast(klass)->lower_dimension(); |
hseigel@4278 | 403 | assert(lower_dim->oop_is_array(), "just checking"); |
hseigel@4278 | 404 | result2 = lower_dim->java_mirror(); |
duke@435 | 405 | } |
duke@435 | 406 | assert(result == result2, "results must be consistent"); |
duke@435 | 407 | #endif //ASSERT |
duke@435 | 408 | return result; |
duke@435 | 409 | } |
duke@435 | 410 | |
duke@435 | 411 | |
coleenp@4037 | 412 | bool Reflection::reflect_check_access(Klass* field_class, AccessFlags acc, Klass* target_class, bool is_method_invoke, TRAPS) { |
duke@435 | 413 | // field_class : declaring class |
duke@435 | 414 | // acc : declared field access |
duke@435 | 415 | // target_class : for protected |
duke@435 | 416 | |
duke@435 | 417 | // Check if field or method is accessible to client. Throw an |
duke@435 | 418 | // IllegalAccessException and return false if not. |
duke@435 | 419 | |
duke@435 | 420 | // The "client" is the class associated with the nearest real frame |
duke@435 | 421 | // getCallerClass already skips Method.invoke frames, so pass 0 in |
duke@435 | 422 | // that case (same as classic). |
duke@435 | 423 | ResourceMark rm(THREAD); |
duke@435 | 424 | assert(THREAD->is_Java_thread(), "sanity check"); |
coleenp@4037 | 425 | Klass* client_class = ((JavaThread *)THREAD)->security_get_caller_class(is_method_invoke ? 0 : 1); |
duke@435 | 426 | |
duke@435 | 427 | if (client_class != field_class) { |
duke@435 | 428 | if (!verify_class_access(client_class, field_class, false) |
duke@435 | 429 | || !verify_field_access(client_class, |
duke@435 | 430 | field_class, |
duke@435 | 431 | field_class, |
duke@435 | 432 | acc, |
duke@435 | 433 | false)) { |
duke@435 | 434 | THROW_(vmSymbols::java_lang_IllegalAccessException(), false); |
duke@435 | 435 | } |
duke@435 | 436 | } |
duke@435 | 437 | |
duke@435 | 438 | // Additional test for protected members: JLS 6.6.2 |
duke@435 | 439 | |
duke@435 | 440 | if (acc.is_protected()) { |
duke@435 | 441 | if (target_class != client_class) { |
duke@435 | 442 | if (!is_same_class_package(client_class, field_class)) { |
hseigel@4278 | 443 | if (!target_class->is_subclass_of(client_class)) { |
duke@435 | 444 | THROW_(vmSymbols::java_lang_IllegalAccessException(), false); |
duke@435 | 445 | } |
duke@435 | 446 | } |
duke@435 | 447 | } |
duke@435 | 448 | } |
duke@435 | 449 | |
duke@435 | 450 | // Passed all tests |
duke@435 | 451 | return true; |
duke@435 | 452 | } |
duke@435 | 453 | |
duke@435 | 454 | |
coleenp@4037 | 455 | bool Reflection::verify_class_access(Klass* current_class, Klass* new_class, bool classloader_only) { |
duke@435 | 456 | // Verify that current_class can access new_class. If the classloader_only |
duke@435 | 457 | // flag is set, we automatically allow any accesses in which current_class |
duke@435 | 458 | // doesn't have a classloader. |
duke@435 | 459 | if ((current_class == NULL) || |
duke@435 | 460 | (current_class == new_class) || |
twisti@5354 | 461 | (new_class->is_public()) || |
duke@435 | 462 | is_same_class_package(current_class, new_class)) { |
duke@435 | 463 | return true; |
duke@435 | 464 | } |
duke@435 | 465 | // New (1.4) reflection implementation. Allow all accesses from |
duke@435 | 466 | // sun/reflect/MagicAccessorImpl subclasses to succeed trivially. |
duke@435 | 467 | if ( JDK_Version::is_gte_jdk14x_version() |
duke@435 | 468 | && UseNewReflection |
hseigel@4278 | 469 | && current_class->is_subclass_of(SystemDictionary::reflect_MagicAccessorImpl_klass())) { |
duke@435 | 470 | return true; |
duke@435 | 471 | } |
duke@435 | 472 | |
duke@435 | 473 | return can_relax_access_check_for(current_class, new_class, classloader_only); |
duke@435 | 474 | } |
duke@435 | 475 | |
coleenp@4037 | 476 | static bool under_host_klass(InstanceKlass* ik, Klass* host_klass) { |
jrose@866 | 477 | DEBUG_ONLY(int inf_loop_check = 1000 * 1000 * 1000); |
jrose@866 | 478 | for (;;) { |
coleenp@4037 | 479 | Klass* hc = (Klass*) ik->host_klass(); |
jrose@866 | 480 | if (hc == NULL) return false; |
jrose@866 | 481 | if (hc == host_klass) return true; |
coleenp@4037 | 482 | ik = InstanceKlass::cast(hc); |
jrose@866 | 483 | |
jrose@866 | 484 | // There's no way to make a host class loop short of patching memory. |
hseigel@6824 | 485 | // Therefore there cannot be a loop here unless there's another bug. |
jrose@866 | 486 | // Still, let's check for it. |
jrose@866 | 487 | assert(--inf_loop_check > 0, "no host_klass loop"); |
jrose@866 | 488 | } |
jrose@866 | 489 | } |
jrose@866 | 490 | |
duke@435 | 491 | bool Reflection::can_relax_access_check_for( |
coleenp@4037 | 492 | Klass* accessor, Klass* accessee, bool classloader_only) { |
coleenp@4037 | 493 | InstanceKlass* accessor_ik = InstanceKlass::cast(accessor); |
coleenp@4037 | 494 | InstanceKlass* accessee_ik = InstanceKlass::cast(accessee); |
jrose@866 | 495 | |
jrose@866 | 496 | // If either is on the other's host_klass chain, access is OK, |
jrose@866 | 497 | // because one is inside the other. |
jrose@866 | 498 | if (under_host_klass(accessor_ik, accessee) || |
jrose@866 | 499 | under_host_klass(accessee_ik, accessor)) |
jrose@866 | 500 | return true; |
jrose@866 | 501 | |
hseigel@5213 | 502 | if ((RelaxAccessControlCheck && |
hseigel@5213 | 503 | accessor_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION && |
hseigel@5213 | 504 | accessee_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION) || |
hseigel@5213 | 505 | (accessor_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION && |
hseigel@5213 | 506 | accessee_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION)) { |
duke@435 | 507 | return classloader_only && |
duke@435 | 508 | Verifier::relax_verify_for(accessor_ik->class_loader()) && |
duke@435 | 509 | accessor_ik->protection_domain() == accessee_ik->protection_domain() && |
duke@435 | 510 | accessor_ik->class_loader() == accessee_ik->class_loader(); |
duke@435 | 511 | } else { |
duke@435 | 512 | return false; |
duke@435 | 513 | } |
duke@435 | 514 | } |
duke@435 | 515 | |
coleenp@4037 | 516 | bool Reflection::verify_field_access(Klass* current_class, |
coleenp@4037 | 517 | Klass* resolved_class, |
coleenp@4037 | 518 | Klass* field_class, |
duke@435 | 519 | AccessFlags access, |
duke@435 | 520 | bool classloader_only, |
duke@435 | 521 | bool protected_restriction) { |
duke@435 | 522 | // Verify that current_class can access a field of field_class, where that |
duke@435 | 523 | // field's access bits are "access". We assume that we've already verified |
duke@435 | 524 | // that current_class can access field_class. |
duke@435 | 525 | // |
duke@435 | 526 | // If the classloader_only flag is set, we automatically allow any accesses |
duke@435 | 527 | // in which current_class doesn't have a classloader. |
duke@435 | 528 | // |
duke@435 | 529 | // "resolved_class" is the runtime type of "field_class". Sometimes we don't |
duke@435 | 530 | // need this distinction (e.g. if all we have is the runtime type, or during |
duke@435 | 531 | // class file parsing when we only care about the static type); in that case |
duke@435 | 532 | // callers should ensure that resolved_class == field_class. |
duke@435 | 533 | // |
duke@435 | 534 | if ((current_class == NULL) || |
duke@435 | 535 | (current_class == field_class) || |
duke@435 | 536 | access.is_public()) { |
duke@435 | 537 | return true; |
duke@435 | 538 | } |
duke@435 | 539 | |
hseigel@6161 | 540 | Klass* host_class = current_class; |
hseigel@6161 | 541 | while (host_class->oop_is_instance() && |
hseigel@6161 | 542 | InstanceKlass::cast(host_class)->is_anonymous()) { |
hseigel@6161 | 543 | Klass* next_host_class = InstanceKlass::cast(host_class)->host_klass(); |
hseigel@6161 | 544 | if (next_host_class == NULL) break; |
hseigel@6161 | 545 | host_class = next_host_class; |
hseigel@6161 | 546 | } |
hseigel@6161 | 547 | if (host_class == field_class) { |
hseigel@6161 | 548 | return true; |
hseigel@6161 | 549 | } |
hseigel@6161 | 550 | |
duke@435 | 551 | if (access.is_protected()) { |
duke@435 | 552 | if (!protected_restriction) { |
hseigel@6161 | 553 | // See if current_class (or outermost host class) is a subclass of field_class |
hseigel@6824 | 554 | // An interface may not access protected members of j.l.Object |
hseigel@6824 | 555 | if (!host_class->is_interface() && host_class->is_subclass_of(field_class)) { |
kamg@550 | 556 | if (access.is_static() || // static fields are ok, see 6622385 |
kamg@550 | 557 | current_class == resolved_class || |
duke@435 | 558 | field_class == resolved_class || |
hseigel@6161 | 559 | host_class->is_subclass_of(resolved_class) || |
hseigel@6161 | 560 | resolved_class->is_subclass_of(host_class)) { |
duke@435 | 561 | return true; |
duke@435 | 562 | } |
duke@435 | 563 | } |
duke@435 | 564 | } |
duke@435 | 565 | } |
duke@435 | 566 | |
duke@435 | 567 | if (!access.is_private() && is_same_class_package(current_class, field_class)) { |
duke@435 | 568 | return true; |
duke@435 | 569 | } |
duke@435 | 570 | |
duke@435 | 571 | // New (1.4) reflection implementation. Allow all accesses from |
duke@435 | 572 | // sun/reflect/MagicAccessorImpl subclasses to succeed trivially. |
duke@435 | 573 | if ( JDK_Version::is_gte_jdk14x_version() |
duke@435 | 574 | && UseNewReflection |
hseigel@4278 | 575 | && current_class->is_subclass_of(SystemDictionary::reflect_MagicAccessorImpl_klass())) { |
duke@435 | 576 | return true; |
duke@435 | 577 | } |
duke@435 | 578 | |
duke@435 | 579 | return can_relax_access_check_for( |
duke@435 | 580 | current_class, field_class, classloader_only); |
duke@435 | 581 | } |
duke@435 | 582 | |
duke@435 | 583 | |
coleenp@4037 | 584 | bool Reflection::is_same_class_package(Klass* class1, Klass* class2) { |
coleenp@4037 | 585 | return InstanceKlass::cast(class1)->is_same_class_package(class2); |
duke@435 | 586 | } |
duke@435 | 587 | |
coleenp@4037 | 588 | bool Reflection::is_same_package_member(Klass* class1, Klass* class2, TRAPS) { |
coleenp@4037 | 589 | return InstanceKlass::cast(class1)->is_same_package_member(class2, THREAD); |
jrose@1100 | 590 | } |
jrose@1100 | 591 | |
duke@435 | 592 | |
duke@435 | 593 | // Checks that the 'outer' klass has declared 'inner' as being an inner klass. If not, |
duke@435 | 594 | // throw an incompatible class change exception |
jrose@1100 | 595 | // If inner_is_member, require the inner to be a member of the outer. |
jrose@1100 | 596 | // If !inner_is_member, require the inner to be anonymous (a non-member). |
jrose@1100 | 597 | // Caller is responsible for figuring out in advance which case must be true. |
jrose@1100 | 598 | void Reflection::check_for_inner_class(instanceKlassHandle outer, instanceKlassHandle inner, |
jrose@1100 | 599 | bool inner_is_member, TRAPS) { |
jiangli@3670 | 600 | InnerClassesIterator iter(outer); |
duke@435 | 601 | constantPoolHandle cp (THREAD, outer->constants()); |
jiangli@3670 | 602 | for (; !iter.done(); iter.next()) { |
jiangli@3670 | 603 | int ioff = iter.inner_class_info_index(); |
jiangli@3670 | 604 | int ooff = iter.outer_class_info_index(); |
duke@435 | 605 | |
jrose@1100 | 606 | if (inner_is_member && ioff != 0 && ooff != 0) { |
coleenp@4037 | 607 | Klass* o = cp->klass_at(ooff, CHECK); |
duke@435 | 608 | if (o == outer()) { |
coleenp@4037 | 609 | Klass* i = cp->klass_at(ioff, CHECK); |
duke@435 | 610 | if (i == inner()) { |
duke@435 | 611 | return; |
duke@435 | 612 | } |
duke@435 | 613 | } |
duke@435 | 614 | } |
jrose@1100 | 615 | if (!inner_is_member && ioff != 0 && ooff == 0 && |
jrose@1100 | 616 | cp->klass_name_at_matches(inner, ioff)) { |
coleenp@4037 | 617 | Klass* i = cp->klass_at(ioff, CHECK); |
jrose@1100 | 618 | if (i == inner()) { |
jrose@1100 | 619 | return; |
jrose@1100 | 620 | } |
jrose@1100 | 621 | } |
duke@435 | 622 | } |
duke@435 | 623 | |
duke@435 | 624 | // 'inner' not declared as an inner klass in outer |
duke@435 | 625 | ResourceMark rm(THREAD); |
duke@435 | 626 | Exceptions::fthrow( |
duke@435 | 627 | THREAD_AND_LOCATION, |
coleenp@2497 | 628 | vmSymbols::java_lang_IncompatibleClassChangeError(), |
duke@435 | 629 | "%s and %s disagree on InnerClasses attribute", |
duke@435 | 630 | outer->external_name(), |
duke@435 | 631 | inner->external_name() |
duke@435 | 632 | ); |
duke@435 | 633 | } |
duke@435 | 634 | |
duke@435 | 635 | // Utility method converting a single SignatureStream element into java.lang.Class instance |
duke@435 | 636 | |
duke@435 | 637 | oop get_mirror_from_signature(methodHandle method, SignatureStream* ss, TRAPS) { |
duke@435 | 638 | switch (ss->type()) { |
duke@435 | 639 | default: |
duke@435 | 640 | assert(ss->type() != T_VOID || ss->at_return_type(), "T_VOID should only appear as return type"); |
duke@435 | 641 | return java_lang_Class::primitive_mirror(ss->type()); |
duke@435 | 642 | case T_OBJECT: |
duke@435 | 643 | case T_ARRAY: |
coleenp@2497 | 644 | Symbol* name = ss->as_symbol(CHECK_NULL); |
coleenp@4251 | 645 | oop loader = method->method_holder()->class_loader(); |
coleenp@4251 | 646 | oop protection_domain = method->method_holder()->protection_domain(); |
coleenp@4037 | 647 | Klass* k = SystemDictionary::resolve_or_fail( |
coleenp@2497 | 648 | name, |
duke@435 | 649 | Handle(THREAD, loader), |
duke@435 | 650 | Handle(THREAD, protection_domain), |
duke@435 | 651 | true, CHECK_NULL); |
duke@435 | 652 | if (TraceClassResolution) { |
duke@435 | 653 | trace_class_resolution(k); |
duke@435 | 654 | } |
never@2658 | 655 | return k->java_mirror(); |
duke@435 | 656 | }; |
duke@435 | 657 | } |
duke@435 | 658 | |
duke@435 | 659 | |
duke@435 | 660 | objArrayHandle Reflection::get_parameter_types(methodHandle method, int parameter_count, oop* return_type, TRAPS) { |
duke@435 | 661 | // Allocate array holding parameter types (java.lang.Class instances) |
never@1577 | 662 | objArrayOop m = oopFactory::new_objArray(SystemDictionary::Class_klass(), parameter_count, CHECK_(objArrayHandle())); |
duke@435 | 663 | objArrayHandle mirrors (THREAD, m); |
duke@435 | 664 | int index = 0; |
duke@435 | 665 | // Collect parameter types |
coleenp@2497 | 666 | ResourceMark rm(THREAD); |
coleenp@2497 | 667 | Symbol* signature = method->signature(); |
duke@435 | 668 | SignatureStream ss(signature); |
duke@435 | 669 | while (!ss.at_return_type()) { |
duke@435 | 670 | oop mirror = get_mirror_from_signature(method, &ss, CHECK_(objArrayHandle())); |
duke@435 | 671 | mirrors->obj_at_put(index++, mirror); |
duke@435 | 672 | ss.next(); |
duke@435 | 673 | } |
duke@435 | 674 | assert(index == parameter_count, "invalid parameter count"); |
duke@435 | 675 | if (return_type != NULL) { |
duke@435 | 676 | // Collect return type as well |
duke@435 | 677 | assert(ss.at_return_type(), "return type should be present"); |
duke@435 | 678 | *return_type = get_mirror_from_signature(method, &ss, CHECK_(objArrayHandle())); |
duke@435 | 679 | } |
duke@435 | 680 | return mirrors; |
duke@435 | 681 | } |
duke@435 | 682 | |
duke@435 | 683 | objArrayHandle Reflection::get_exception_types(methodHandle method, TRAPS) { |
duke@435 | 684 | return method->resolved_checked_exceptions(CHECK_(objArrayHandle())); |
duke@435 | 685 | } |
duke@435 | 686 | |
duke@435 | 687 | |
coleenp@2497 | 688 | Handle Reflection::new_type(Symbol* signature, KlassHandle k, TRAPS) { |
duke@435 | 689 | // Basic types |
coleenp@2497 | 690 | BasicType type = vmSymbols::signature_type(signature); |
duke@435 | 691 | if (type != T_OBJECT) { |
duke@435 | 692 | return Handle(THREAD, Universe::java_mirror(type)); |
duke@435 | 693 | } |
duke@435 | 694 | |
coleenp@4037 | 695 | oop loader = InstanceKlass::cast(k())->class_loader(); |
hseigel@4278 | 696 | oop protection_domain = k()->protection_domain(); |
coleenp@4037 | 697 | Klass* result = SystemDictionary::resolve_or_fail(signature, |
duke@435 | 698 | Handle(THREAD, loader), |
duke@435 | 699 | Handle(THREAD, protection_domain), |
duke@435 | 700 | true, CHECK_(Handle())); |
duke@435 | 701 | |
duke@435 | 702 | if (TraceClassResolution) { |
duke@435 | 703 | trace_class_resolution(result); |
duke@435 | 704 | } |
duke@435 | 705 | |
hseigel@4278 | 706 | oop nt = result->java_mirror(); |
duke@435 | 707 | return Handle(THREAD, nt); |
duke@435 | 708 | } |
duke@435 | 709 | |
duke@435 | 710 | |
duke@435 | 711 | oop Reflection::new_method(methodHandle method, bool intern_name, bool for_constant_pool_access, TRAPS) { |
duke@435 | 712 | // In jdk1.2.x, getMethods on an interface erroneously includes <clinit>, thus the complicated assert. |
duke@435 | 713 | // Also allow sun.reflect.ConstantPool to refer to <clinit> methods as java.lang.reflect.Methods. |
duke@435 | 714 | assert(!method()->is_initializer() || |
duke@435 | 715 | (for_constant_pool_access && method()->is_static()) || |
duke@435 | 716 | (method()->name() == vmSymbols::class_initializer_name() |
coleenp@4251 | 717 | && method()->method_holder()->is_interface() && JDK_Version::is_jdk12x_version()), "should call new_constructor instead"); |
duke@435 | 718 | instanceKlassHandle holder (THREAD, method->method_holder()); |
duke@435 | 719 | int slot = method->method_idnum(); |
duke@435 | 720 | |
coleenp@2497 | 721 | Symbol* signature = method->signature(); |
duke@435 | 722 | int parameter_count = ArgumentCount(signature).size(); |
duke@435 | 723 | oop return_type_oop = NULL; |
duke@435 | 724 | objArrayHandle parameter_types = get_parameter_types(method, parameter_count, &return_type_oop, CHECK_NULL); |
duke@435 | 725 | if (parameter_types.is_null() || return_type_oop == NULL) return NULL; |
duke@435 | 726 | |
duke@435 | 727 | Handle return_type(THREAD, return_type_oop); |
duke@435 | 728 | |
duke@435 | 729 | objArrayHandle exception_types = get_exception_types(method, CHECK_NULL); |
duke@435 | 730 | |
duke@435 | 731 | if (exception_types.is_null()) return NULL; |
duke@435 | 732 | |
coleenp@2497 | 733 | Symbol* method_name = method->name(); |
duke@435 | 734 | Handle name; |
duke@435 | 735 | if (intern_name) { |
duke@435 | 736 | // intern_name is only true with UseNewReflection |
coleenp@2497 | 737 | oop name_oop = StringTable::intern(method_name, CHECK_NULL); |
duke@435 | 738 | name = Handle(THREAD, name_oop); |
duke@435 | 739 | } else { |
duke@435 | 740 | name = java_lang_String::create_from_symbol(method_name, CHECK_NULL); |
duke@435 | 741 | } |
coleenp@2497 | 742 | if (name == NULL) return NULL; |
duke@435 | 743 | |
duke@435 | 744 | int modifiers = method->access_flags().as_int() & JVM_RECOGNIZED_METHOD_MODIFIERS; |
duke@435 | 745 | |
duke@435 | 746 | Handle mh = java_lang_reflect_Method::create(CHECK_NULL); |
duke@435 | 747 | |
duke@435 | 748 | java_lang_reflect_Method::set_clazz(mh(), holder->java_mirror()); |
duke@435 | 749 | java_lang_reflect_Method::set_slot(mh(), slot); |
duke@435 | 750 | java_lang_reflect_Method::set_name(mh(), name()); |
duke@435 | 751 | java_lang_reflect_Method::set_return_type(mh(), return_type()); |
duke@435 | 752 | java_lang_reflect_Method::set_parameter_types(mh(), parameter_types()); |
duke@435 | 753 | java_lang_reflect_Method::set_exception_types(mh(), exception_types()); |
duke@435 | 754 | java_lang_reflect_Method::set_modifiers(mh(), modifiers); |
duke@435 | 755 | java_lang_reflect_Method::set_override(mh(), false); |
duke@435 | 756 | if (java_lang_reflect_Method::has_signature_field() && |
duke@435 | 757 | method->generic_signature() != NULL) { |
coleenp@2497 | 758 | Symbol* gs = method->generic_signature(); |
duke@435 | 759 | Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
duke@435 | 760 | java_lang_reflect_Method::set_signature(mh(), sig()); |
duke@435 | 761 | } |
duke@435 | 762 | if (java_lang_reflect_Method::has_annotations_field()) { |
coleenp@4037 | 763 | typeArrayOop an_oop = Annotations::make_java_array(method->annotations(), CHECK_NULL); |
coleenp@4037 | 764 | java_lang_reflect_Method::set_annotations(mh(), an_oop); |
duke@435 | 765 | } |
duke@435 | 766 | if (java_lang_reflect_Method::has_parameter_annotations_field()) { |
coleenp@4037 | 767 | typeArrayOop an_oop = Annotations::make_java_array(method->parameter_annotations(), CHECK_NULL); |
coleenp@4037 | 768 | java_lang_reflect_Method::set_parameter_annotations(mh(), an_oop); |
duke@435 | 769 | } |
duke@435 | 770 | if (java_lang_reflect_Method::has_annotation_default_field()) { |
coleenp@4037 | 771 | typeArrayOop an_oop = Annotations::make_java_array(method->annotation_default(), CHECK_NULL); |
coleenp@4037 | 772 | java_lang_reflect_Method::set_annotation_default(mh(), an_oop); |
duke@435 | 773 | } |
stefank@4393 | 774 | if (java_lang_reflect_Method::has_type_annotations_field()) { |
stefank@4393 | 775 | typeArrayOop an_oop = Annotations::make_java_array(method->type_annotations(), CHECK_NULL); |
stefank@4393 | 776 | java_lang_reflect_Method::set_type_annotations(mh(), an_oop); |
stefank@4393 | 777 | } |
duke@435 | 778 | return mh(); |
duke@435 | 779 | } |
duke@435 | 780 | |
duke@435 | 781 | |
duke@435 | 782 | oop Reflection::new_constructor(methodHandle method, TRAPS) { |
duke@435 | 783 | assert(method()->is_initializer(), "should call new_method instead"); |
duke@435 | 784 | |
duke@435 | 785 | instanceKlassHandle holder (THREAD, method->method_holder()); |
duke@435 | 786 | int slot = method->method_idnum(); |
duke@435 | 787 | |
coleenp@2497 | 788 | Symbol* signature = method->signature(); |
duke@435 | 789 | int parameter_count = ArgumentCount(signature).size(); |
duke@435 | 790 | objArrayHandle parameter_types = get_parameter_types(method, parameter_count, NULL, CHECK_NULL); |
duke@435 | 791 | if (parameter_types.is_null()) return NULL; |
duke@435 | 792 | |
duke@435 | 793 | objArrayHandle exception_types = get_exception_types(method, CHECK_NULL); |
duke@435 | 794 | if (exception_types.is_null()) return NULL; |
duke@435 | 795 | |
duke@435 | 796 | int modifiers = method->access_flags().as_int() & JVM_RECOGNIZED_METHOD_MODIFIERS; |
duke@435 | 797 | |
duke@435 | 798 | Handle ch = java_lang_reflect_Constructor::create(CHECK_NULL); |
duke@435 | 799 | |
duke@435 | 800 | java_lang_reflect_Constructor::set_clazz(ch(), holder->java_mirror()); |
duke@435 | 801 | java_lang_reflect_Constructor::set_slot(ch(), slot); |
duke@435 | 802 | java_lang_reflect_Constructor::set_parameter_types(ch(), parameter_types()); |
duke@435 | 803 | java_lang_reflect_Constructor::set_exception_types(ch(), exception_types()); |
duke@435 | 804 | java_lang_reflect_Constructor::set_modifiers(ch(), modifiers); |
duke@435 | 805 | java_lang_reflect_Constructor::set_override(ch(), false); |
duke@435 | 806 | if (java_lang_reflect_Constructor::has_signature_field() && |
duke@435 | 807 | method->generic_signature() != NULL) { |
coleenp@2497 | 808 | Symbol* gs = method->generic_signature(); |
duke@435 | 809 | Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
duke@435 | 810 | java_lang_reflect_Constructor::set_signature(ch(), sig()); |
duke@435 | 811 | } |
duke@435 | 812 | if (java_lang_reflect_Constructor::has_annotations_field()) { |
coleenp@4037 | 813 | typeArrayOop an_oop = Annotations::make_java_array(method->annotations(), CHECK_NULL); |
coleenp@4037 | 814 | java_lang_reflect_Constructor::set_annotations(ch(), an_oop); |
duke@435 | 815 | } |
duke@435 | 816 | if (java_lang_reflect_Constructor::has_parameter_annotations_field()) { |
coleenp@4037 | 817 | typeArrayOop an_oop = Annotations::make_java_array(method->parameter_annotations(), CHECK_NULL); |
coleenp@4037 | 818 | java_lang_reflect_Constructor::set_parameter_annotations(ch(), an_oop); |
duke@435 | 819 | } |
rbackman@5210 | 820 | if (java_lang_reflect_Constructor::has_type_annotations_field()) { |
rbackman@5210 | 821 | typeArrayOop an_oop = Annotations::make_java_array(method->type_annotations(), CHECK_NULL); |
rbackman@5210 | 822 | java_lang_reflect_Constructor::set_type_annotations(ch(), an_oop); |
rbackman@5210 | 823 | } |
duke@435 | 824 | return ch(); |
duke@435 | 825 | } |
duke@435 | 826 | |
duke@435 | 827 | |
duke@435 | 828 | oop Reflection::new_field(fieldDescriptor* fd, bool intern_name, TRAPS) { |
coleenp@2497 | 829 | Symbol* field_name = fd->name(); |
duke@435 | 830 | Handle name; |
duke@435 | 831 | if (intern_name) { |
duke@435 | 832 | // intern_name is only true with UseNewReflection |
coleenp@2497 | 833 | oop name_oop = StringTable::intern(field_name, CHECK_NULL); |
duke@435 | 834 | name = Handle(THREAD, name_oop); |
duke@435 | 835 | } else { |
duke@435 | 836 | name = java_lang_String::create_from_symbol(field_name, CHECK_NULL); |
duke@435 | 837 | } |
coleenp@2497 | 838 | Symbol* signature = fd->signature(); |
coleenp@4037 | 839 | instanceKlassHandle holder (THREAD, fd->field_holder()); |
duke@435 | 840 | Handle type = new_type(signature, holder, CHECK_NULL); |
duke@435 | 841 | Handle rh = java_lang_reflect_Field::create(CHECK_NULL); |
duke@435 | 842 | |
coleenp@4251 | 843 | java_lang_reflect_Field::set_clazz(rh(), fd->field_holder()->java_mirror()); |
duke@435 | 844 | java_lang_reflect_Field::set_slot(rh(), fd->index()); |
duke@435 | 845 | java_lang_reflect_Field::set_name(rh(), name()); |
duke@435 | 846 | java_lang_reflect_Field::set_type(rh(), type()); |
duke@435 | 847 | // Note the ACC_ANNOTATION bit, which is a per-class access flag, is never set here. |
duke@435 | 848 | java_lang_reflect_Field::set_modifiers(rh(), fd->access_flags().as_int() & JVM_RECOGNIZED_FIELD_MODIFIERS); |
duke@435 | 849 | java_lang_reflect_Field::set_override(rh(), false); |
duke@435 | 850 | if (java_lang_reflect_Field::has_signature_field() && |
jiangli@3879 | 851 | fd->has_generic_signature()) { |
coleenp@2497 | 852 | Symbol* gs = fd->generic_signature(); |
duke@435 | 853 | Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
duke@435 | 854 | java_lang_reflect_Field::set_signature(rh(), sig()); |
duke@435 | 855 | } |
duke@435 | 856 | if (java_lang_reflect_Field::has_annotations_field()) { |
coleenp@4037 | 857 | typeArrayOop an_oop = Annotations::make_java_array(fd->annotations(), CHECK_NULL); |
coleenp@4037 | 858 | java_lang_reflect_Field::set_annotations(rh(), an_oop); |
duke@435 | 859 | } |
stefank@4393 | 860 | if (java_lang_reflect_Field::has_type_annotations_field()) { |
stefank@4393 | 861 | typeArrayOop an_oop = Annotations::make_java_array(fd->type_annotations(), CHECK_NULL); |
stefank@4393 | 862 | java_lang_reflect_Field::set_type_annotations(rh(), an_oop); |
stefank@4393 | 863 | } |
duke@435 | 864 | return rh(); |
duke@435 | 865 | } |
duke@435 | 866 | |
coleenp@4398 | 867 | oop Reflection::new_parameter(Handle method, int index, Symbol* sym, |
coleenp@4398 | 868 | int flags, TRAPS) { |
coleenp@4431 | 869 | Handle name; |
coleenp@4431 | 870 | |
coleenp@4431 | 871 | // A null symbol here translates to the empty string |
coleenp@4431 | 872 | if(NULL != sym) { |
coleenp@4431 | 873 | name = java_lang_String::create_from_symbol(sym, CHECK_NULL); |
coleenp@4431 | 874 | } else { |
coleenp@4431 | 875 | name = java_lang_String::create_from_str("", CHECK_NULL); |
coleenp@4431 | 876 | } |
coleenp@4431 | 877 | |
coleenp@4398 | 878 | Handle rh = java_lang_reflect_Parameter::create(CHECK_NULL); |
coleenp@4398 | 879 | java_lang_reflect_Parameter::set_name(rh(), name()); |
coleenp@4398 | 880 | java_lang_reflect_Parameter::set_modifiers(rh(), flags); |
coleenp@4398 | 881 | java_lang_reflect_Parameter::set_executable(rh(), method()); |
coleenp@4398 | 882 | java_lang_reflect_Parameter::set_index(rh(), index); |
coleenp@4398 | 883 | return rh(); |
coleenp@4398 | 884 | } |
coleenp@4398 | 885 | |
duke@435 | 886 | |
duke@435 | 887 | methodHandle Reflection::resolve_interface_call(instanceKlassHandle klass, methodHandle method, |
duke@435 | 888 | KlassHandle recv_klass, Handle receiver, TRAPS) { |
duke@435 | 889 | assert(!method.is_null() , "method should not be null"); |
duke@435 | 890 | |
duke@435 | 891 | CallInfo info; |
coleenp@2497 | 892 | Symbol* signature = method->signature(); |
coleenp@2497 | 893 | Symbol* name = method->name(); |
duke@435 | 894 | LinkResolver::resolve_interface_call(info, receiver, recv_klass, klass, |
duke@435 | 895 | name, signature, |
duke@435 | 896 | KlassHandle(), false, true, |
duke@435 | 897 | CHECK_(methodHandle())); |
duke@435 | 898 | return info.selected_method(); |
duke@435 | 899 | } |
duke@435 | 900 | |
duke@435 | 901 | |
duke@435 | 902 | oop Reflection::invoke(instanceKlassHandle klass, methodHandle reflected_method, |
duke@435 | 903 | Handle receiver, bool override, objArrayHandle ptypes, |
duke@435 | 904 | BasicType rtype, objArrayHandle args, bool is_method_invoke, TRAPS) { |
duke@435 | 905 | ResourceMark rm(THREAD); |
duke@435 | 906 | |
duke@435 | 907 | methodHandle method; // actual method to invoke |
duke@435 | 908 | KlassHandle target_klass; // target klass, receiver's klass for non-static |
duke@435 | 909 | |
duke@435 | 910 | // Ensure klass is initialized |
duke@435 | 911 | klass->initialize(CHECK_NULL); |
duke@435 | 912 | |
duke@435 | 913 | bool is_static = reflected_method->is_static(); |
duke@435 | 914 | if (is_static) { |
duke@435 | 915 | // ignore receiver argument |
duke@435 | 916 | method = reflected_method; |
duke@435 | 917 | target_klass = klass; |
duke@435 | 918 | } else { |
duke@435 | 919 | // check for null receiver |
duke@435 | 920 | if (receiver.is_null()) { |
duke@435 | 921 | THROW_0(vmSymbols::java_lang_NullPointerException()); |
duke@435 | 922 | } |
duke@435 | 923 | // Check class of receiver against class declaring method |
duke@435 | 924 | if (!receiver->is_a(klass())) { |
duke@435 | 925 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "object is not an instance of declaring class"); |
duke@435 | 926 | } |
duke@435 | 927 | // target klass is receiver's klass |
duke@435 | 928 | target_klass = KlassHandle(THREAD, receiver->klass()); |
duke@435 | 929 | // no need to resolve if method is private or <init> |
duke@435 | 930 | if (reflected_method->is_private() || reflected_method->name() == vmSymbols::object_initializer_name()) { |
duke@435 | 931 | method = reflected_method; |
duke@435 | 932 | } else { |
duke@435 | 933 | // resolve based on the receiver |
coleenp@4251 | 934 | if (reflected_method->method_holder()->is_interface()) { |
duke@435 | 935 | // resolve interface call |
duke@435 | 936 | if (ReflectionWrapResolutionErrors) { |
duke@435 | 937 | // new default: 6531596 |
duke@435 | 938 | // Match resolution errors with those thrown due to reflection inlining |
duke@435 | 939 | // Linktime resolution & IllegalAccessCheck already done by Class.getMethod() |
duke@435 | 940 | method = resolve_interface_call(klass, reflected_method, target_klass, receiver, THREAD); |
duke@435 | 941 | if (HAS_PENDING_EXCEPTION) { |
duke@435 | 942 | // Method resolution threw an exception; wrap it in an InvocationTargetException |
duke@435 | 943 | oop resolution_exception = PENDING_EXCEPTION; |
duke@435 | 944 | CLEAR_PENDING_EXCEPTION; |
duke@435 | 945 | JavaCallArguments args(Handle(THREAD, resolution_exception)); |
coleenp@2497 | 946 | THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
coleenp@2497 | 947 | vmSymbols::throwable_void_signature(), |
duke@435 | 948 | &args); |
duke@435 | 949 | } |
duke@435 | 950 | } else { |
duke@435 | 951 | method = resolve_interface_call(klass, reflected_method, target_klass, receiver, CHECK_(NULL)); |
duke@435 | 952 | } |
duke@435 | 953 | } else { |
duke@435 | 954 | // if the method can be overridden, we resolve using the vtable index. |
drchase@5732 | 955 | assert(!reflected_method->has_itable_index(), ""); |
drchase@5732 | 956 | int index = reflected_method->vtable_index(); |
duke@435 | 957 | method = reflected_method; |
coleenp@4037 | 958 | if (index != Method::nonvirtual_vtable_index) { |
duke@435 | 959 | // target_klass might be an arrayKlassOop but all vtables start at |
duke@435 | 960 | // the same place. The cast is to avoid virtual call and assertion. |
coleenp@4037 | 961 | InstanceKlass* inst = (InstanceKlass*)target_klass(); |
duke@435 | 962 | method = methodHandle(THREAD, inst->method_at_vtable(index)); |
duke@435 | 963 | } |
duke@435 | 964 | if (!method.is_null()) { |
duke@435 | 965 | // Check for abstract methods as well |
duke@435 | 966 | if (method->is_abstract()) { |
duke@435 | 967 | // new default: 6531596 |
duke@435 | 968 | if (ReflectionWrapResolutionErrors) { |
duke@435 | 969 | ResourceMark rm(THREAD); |
duke@435 | 970 | Handle h_origexception = Exceptions::new_exception(THREAD, |
duke@435 | 971 | vmSymbols::java_lang_AbstractMethodError(), |
hseigel@4278 | 972 | Method::name_and_sig_as_C_string(target_klass(), |
duke@435 | 973 | method->name(), |
duke@435 | 974 | method->signature())); |
duke@435 | 975 | JavaCallArguments args(h_origexception); |
coleenp@2497 | 976 | THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
coleenp@2497 | 977 | vmSymbols::throwable_void_signature(), |
duke@435 | 978 | &args); |
duke@435 | 979 | } else { |
duke@435 | 980 | ResourceMark rm(THREAD); |
duke@435 | 981 | THROW_MSG_0(vmSymbols::java_lang_AbstractMethodError(), |
hseigel@4278 | 982 | Method::name_and_sig_as_C_string(target_klass(), |
duke@435 | 983 | method->name(), |
duke@435 | 984 | method->signature())); |
duke@435 | 985 | } |
duke@435 | 986 | } |
duke@435 | 987 | } |
duke@435 | 988 | } |
duke@435 | 989 | } |
duke@435 | 990 | } |
duke@435 | 991 | |
duke@435 | 992 | // I believe this is a ShouldNotGetHere case which requires |
duke@435 | 993 | // an internal vtable bug. If you ever get this please let Karen know. |
duke@435 | 994 | if (method.is_null()) { |
duke@435 | 995 | ResourceMark rm(THREAD); |
duke@435 | 996 | THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), |
hseigel@4278 | 997 | Method::name_and_sig_as_C_string(klass(), |
duke@435 | 998 | reflected_method->name(), |
duke@435 | 999 | reflected_method->signature())); |
duke@435 | 1000 | } |
duke@435 | 1001 | |
duke@435 | 1002 | // In the JDK 1.4 reflection implementation, the security check is |
duke@435 | 1003 | // done at the Java level |
duke@435 | 1004 | if (!(JDK_Version::is_gte_jdk14x_version() && UseNewReflection)) { |
duke@435 | 1005 | |
duke@435 | 1006 | // Access checking (unless overridden by Method) |
duke@435 | 1007 | if (!override) { |
duke@435 | 1008 | if (!(klass->is_public() && reflected_method->is_public())) { |
duke@435 | 1009 | bool access = Reflection::reflect_check_access(klass(), reflected_method->access_flags(), target_klass(), is_method_invoke, CHECK_NULL); |
duke@435 | 1010 | if (!access) { |
duke@435 | 1011 | return NULL; // exception |
duke@435 | 1012 | } |
duke@435 | 1013 | } |
duke@435 | 1014 | } |
duke@435 | 1015 | |
duke@435 | 1016 | } // !(Universe::is_gte_jdk14x_version() && UseNewReflection) |
duke@435 | 1017 | |
duke@435 | 1018 | assert(ptypes->is_objArray(), "just checking"); |
duke@435 | 1019 | int args_len = args.is_null() ? 0 : args->length(); |
duke@435 | 1020 | // Check number of arguments |
duke@435 | 1021 | if (ptypes->length() != args_len) { |
duke@435 | 1022 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "wrong number of arguments"); |
duke@435 | 1023 | } |
duke@435 | 1024 | |
duke@435 | 1025 | // Create object to contain parameters for the JavaCall |
duke@435 | 1026 | JavaCallArguments java_args(method->size_of_parameters()); |
duke@435 | 1027 | |
duke@435 | 1028 | if (!is_static) { |
duke@435 | 1029 | java_args.push_oop(receiver); |
duke@435 | 1030 | } |
duke@435 | 1031 | |
duke@435 | 1032 | for (int i = 0; i < args_len; i++) { |
duke@435 | 1033 | oop type_mirror = ptypes->obj_at(i); |
duke@435 | 1034 | oop arg = args->obj_at(i); |
duke@435 | 1035 | if (java_lang_Class::is_primitive(type_mirror)) { |
duke@435 | 1036 | jvalue value; |
duke@435 | 1037 | BasicType ptype = basic_type_mirror_to_basic_type(type_mirror, CHECK_NULL); |
duke@435 | 1038 | BasicType atype = unbox_for_primitive(arg, &value, CHECK_NULL); |
duke@435 | 1039 | if (ptype != atype) { |
duke@435 | 1040 | widen(&value, atype, ptype, CHECK_NULL); |
duke@435 | 1041 | } |
duke@435 | 1042 | switch (ptype) { |
duke@435 | 1043 | case T_BOOLEAN: java_args.push_int(value.z); break; |
duke@435 | 1044 | case T_CHAR: java_args.push_int(value.c); break; |
duke@435 | 1045 | case T_BYTE: java_args.push_int(value.b); break; |
duke@435 | 1046 | case T_SHORT: java_args.push_int(value.s); break; |
duke@435 | 1047 | case T_INT: java_args.push_int(value.i); break; |
duke@435 | 1048 | case T_LONG: java_args.push_long(value.j); break; |
duke@435 | 1049 | case T_FLOAT: java_args.push_float(value.f); break; |
duke@435 | 1050 | case T_DOUBLE: java_args.push_double(value.d); break; |
duke@435 | 1051 | default: |
duke@435 | 1052 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
duke@435 | 1053 | } |
duke@435 | 1054 | } else { |
duke@435 | 1055 | if (arg != NULL) { |
coleenp@4037 | 1056 | Klass* k = java_lang_Class::as_Klass(type_mirror); |
duke@435 | 1057 | if (!arg->is_a(k)) { |
duke@435 | 1058 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
duke@435 | 1059 | } |
duke@435 | 1060 | } |
duke@435 | 1061 | Handle arg_handle(THREAD, arg); // Create handle for argument |
duke@435 | 1062 | java_args.push_oop(arg_handle); // Push handle |
duke@435 | 1063 | } |
duke@435 | 1064 | } |
duke@435 | 1065 | |
duke@435 | 1066 | assert(java_args.size_of_parameters() == method->size_of_parameters(), "just checking"); |
duke@435 | 1067 | |
duke@435 | 1068 | // All oops (including receiver) is passed in as Handles. An potential oop is returned as an |
duke@435 | 1069 | // oop (i.e., NOT as an handle) |
duke@435 | 1070 | JavaValue result(rtype); |
duke@435 | 1071 | JavaCalls::call(&result, method, &java_args, THREAD); |
duke@435 | 1072 | |
duke@435 | 1073 | if (HAS_PENDING_EXCEPTION) { |
duke@435 | 1074 | // Method threw an exception; wrap it in an InvocationTargetException |
duke@435 | 1075 | oop target_exception = PENDING_EXCEPTION; |
duke@435 | 1076 | CLEAR_PENDING_EXCEPTION; |
duke@435 | 1077 | JavaCallArguments args(Handle(THREAD, target_exception)); |
coleenp@2497 | 1078 | THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
coleenp@2497 | 1079 | vmSymbols::throwable_void_signature(), |
duke@435 | 1080 | &args); |
duke@435 | 1081 | } else { |
duke@435 | 1082 | if (rtype == T_BOOLEAN || rtype == T_BYTE || rtype == T_CHAR || rtype == T_SHORT) |
duke@435 | 1083 | narrow((jvalue*) result.get_value_addr(), rtype, CHECK_NULL); |
duke@435 | 1084 | return box((jvalue*) result.get_value_addr(), rtype, CHECK_NULL); |
duke@435 | 1085 | } |
duke@435 | 1086 | } |
duke@435 | 1087 | |
duke@435 | 1088 | |
duke@435 | 1089 | void Reflection::narrow(jvalue* value, BasicType narrow_type, TRAPS) { |
duke@435 | 1090 | switch (narrow_type) { |
duke@435 | 1091 | case T_BOOLEAN: |
duke@435 | 1092 | value->z = (jboolean) value->i; |
duke@435 | 1093 | return; |
duke@435 | 1094 | case T_BYTE: |
duke@435 | 1095 | value->b = (jbyte) value->i; |
duke@435 | 1096 | return; |
duke@435 | 1097 | case T_CHAR: |
duke@435 | 1098 | value->c = (jchar) value->i; |
duke@435 | 1099 | return; |
duke@435 | 1100 | case T_SHORT: |
duke@435 | 1101 | value->s = (jshort) value->i; |
duke@435 | 1102 | return; |
duke@435 | 1103 | default: |
duke@435 | 1104 | break; // fail |
duke@435 | 1105 | } |
duke@435 | 1106 | THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
duke@435 | 1107 | } |
duke@435 | 1108 | |
duke@435 | 1109 | |
duke@435 | 1110 | BasicType Reflection::basic_type_mirror_to_basic_type(oop basic_type_mirror, TRAPS) { |
duke@435 | 1111 | assert(java_lang_Class::is_primitive(basic_type_mirror), "just checking"); |
duke@435 | 1112 | return java_lang_Class::primitive_type(basic_type_mirror); |
duke@435 | 1113 | } |
duke@435 | 1114 | |
duke@435 | 1115 | // This would be nicer if, say, java.lang.reflect.Method was a subclass |
duke@435 | 1116 | // of java.lang.reflect.Constructor |
duke@435 | 1117 | |
duke@435 | 1118 | oop Reflection::invoke_method(oop method_mirror, Handle receiver, objArrayHandle args, TRAPS) { |
duke@435 | 1119 | oop mirror = java_lang_reflect_Method::clazz(method_mirror); |
duke@435 | 1120 | int slot = java_lang_reflect_Method::slot(method_mirror); |
duke@435 | 1121 | bool override = java_lang_reflect_Method::override(method_mirror) != 0; |
duke@435 | 1122 | objArrayHandle ptypes(THREAD, objArrayOop(java_lang_reflect_Method::parameter_types(method_mirror))); |
duke@435 | 1123 | |
duke@435 | 1124 | oop return_type_mirror = java_lang_reflect_Method::return_type(method_mirror); |
duke@435 | 1125 | BasicType rtype; |
duke@435 | 1126 | if (java_lang_Class::is_primitive(return_type_mirror)) { |
duke@435 | 1127 | rtype = basic_type_mirror_to_basic_type(return_type_mirror, CHECK_NULL); |
duke@435 | 1128 | } else { |
duke@435 | 1129 | rtype = T_OBJECT; |
duke@435 | 1130 | } |
duke@435 | 1131 | |
coleenp@4037 | 1132 | instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(mirror)); |
coleenp@4037 | 1133 | Method* m = klass->method_with_idnum(slot); |
dcubed@486 | 1134 | if (m == NULL) { |
duke@435 | 1135 | THROW_MSG_0(vmSymbols::java_lang_InternalError(), "invoke"); |
duke@435 | 1136 | } |
dcubed@486 | 1137 | methodHandle method(THREAD, m); |
duke@435 | 1138 | |
duke@435 | 1139 | return invoke(klass, method, receiver, override, ptypes, rtype, args, true, THREAD); |
duke@435 | 1140 | } |
duke@435 | 1141 | |
duke@435 | 1142 | |
duke@435 | 1143 | oop Reflection::invoke_constructor(oop constructor_mirror, objArrayHandle args, TRAPS) { |
duke@435 | 1144 | oop mirror = java_lang_reflect_Constructor::clazz(constructor_mirror); |
duke@435 | 1145 | int slot = java_lang_reflect_Constructor::slot(constructor_mirror); |
duke@435 | 1146 | bool override = java_lang_reflect_Constructor::override(constructor_mirror) != 0; |
duke@435 | 1147 | objArrayHandle ptypes(THREAD, objArrayOop(java_lang_reflect_Constructor::parameter_types(constructor_mirror))); |
duke@435 | 1148 | |
coleenp@4037 | 1149 | instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(mirror)); |
coleenp@4037 | 1150 | Method* m = klass->method_with_idnum(slot); |
dcubed@486 | 1151 | if (m == NULL) { |
duke@435 | 1152 | THROW_MSG_0(vmSymbols::java_lang_InternalError(), "invoke"); |
duke@435 | 1153 | } |
dcubed@486 | 1154 | methodHandle method(THREAD, m); |
duke@435 | 1155 | assert(method->name() == vmSymbols::object_initializer_name(), "invalid constructor"); |
duke@435 | 1156 | |
duke@435 | 1157 | // Make sure klass gets initialize |
duke@435 | 1158 | klass->initialize(CHECK_NULL); |
duke@435 | 1159 | |
duke@435 | 1160 | // Create new instance (the receiver) |
duke@435 | 1161 | klass->check_valid_for_instantiation(false, CHECK_NULL); |
duke@435 | 1162 | Handle receiver = klass->allocate_instance_handle(CHECK_NULL); |
duke@435 | 1163 | |
duke@435 | 1164 | // Ignore result from call and return receiver |
duke@435 | 1165 | invoke(klass, method, receiver, override, ptypes, T_VOID, args, false, CHECK_NULL); |
duke@435 | 1166 | return receiver(); |
duke@435 | 1167 | } |