Fri, 06 Dec 2019 12:42:29 +0100
8235243: handle VS2017 15.9 and VS2019 in abstract_vm_version
8235325: build failure on Linux after 8235243
Reviewed-by: dholmes, mdoerr
duke@435 | 1 | /* |
phh@9507 | 2 | * Copyright (c) 1997, 2018, 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" |
jbachorik@7812 | 39 | #include "prims/jvmtiExport.hpp" |
stefank@2314 | 40 | #include "runtime/arguments.hpp" |
stefank@2314 | 41 | #include "runtime/handles.inline.hpp" |
stefank@2314 | 42 | #include "runtime/javaCalls.hpp" |
stefank@2314 | 43 | #include "runtime/reflection.hpp" |
stefank@2314 | 44 | #include "runtime/reflectionUtils.hpp" |
stefank@2314 | 45 | #include "runtime/signature.hpp" |
stefank@2314 | 46 | #include "runtime/vframe.hpp" |
duke@435 | 47 | |
coleenp@4037 | 48 | static void trace_class_resolution(Klass* to_class) { |
duke@435 | 49 | ResourceMark rm; |
duke@435 | 50 | int line_number = -1; |
duke@435 | 51 | const char * source_file = NULL; |
coleenp@4037 | 52 | Klass* caller = NULL; |
duke@435 | 53 | JavaThread* jthread = JavaThread::current(); |
duke@435 | 54 | if (jthread->has_last_Java_frame()) { |
duke@435 | 55 | vframeStream vfst(jthread); |
duke@435 | 56 | // skip over any frames belonging to java.lang.Class |
duke@435 | 57 | while (!vfst.at_end() && |
coleenp@4251 | 58 | vfst.method()->method_holder()->name() == vmSymbols::java_lang_Class()) { |
duke@435 | 59 | vfst.next(); |
duke@435 | 60 | } |
duke@435 | 61 | if (!vfst.at_end()) { |
duke@435 | 62 | // this frame is a likely suspect |
duke@435 | 63 | caller = vfst.method()->method_holder(); |
duke@435 | 64 | line_number = vfst.method()->line_number_from_bci(vfst.bci()); |
coleenp@4251 | 65 | Symbol* s = vfst.method()->method_holder()->source_file_name(); |
duke@435 | 66 | if (s != NULL) { |
duke@435 | 67 | source_file = s->as_C_string(); |
duke@435 | 68 | } |
duke@435 | 69 | } |
duke@435 | 70 | } |
duke@435 | 71 | if (caller != NULL) { |
hseigel@4278 | 72 | const char * from = caller->external_name(); |
hseigel@4278 | 73 | const char * to = to_class->external_name(); |
duke@435 | 74 | // print in a single call to reduce interleaving between threads |
duke@435 | 75 | if (source_file != NULL) { |
duke@435 | 76 | tty->print("RESOLVE %s %s %s:%d (reflection)\n", from, to, source_file, line_number); |
duke@435 | 77 | } else { |
duke@435 | 78 | tty->print("RESOLVE %s %s (reflection)\n", from, to); |
duke@435 | 79 | } |
duke@435 | 80 | } |
duke@435 | 81 | } |
duke@435 | 82 | |
duke@435 | 83 | |
duke@435 | 84 | oop Reflection::box(jvalue* value, BasicType type, TRAPS) { |
duke@435 | 85 | if (type == T_VOID) { |
duke@435 | 86 | return NULL; |
duke@435 | 87 | } |
duke@435 | 88 | if (type == T_OBJECT || type == T_ARRAY) { |
duke@435 | 89 | // regular objects are not boxed |
duke@435 | 90 | return (oop) value->l; |
duke@435 | 91 | } |
duke@435 | 92 | oop result = java_lang_boxing_object::create(type, value, CHECK_NULL); |
duke@435 | 93 | if (result == NULL) { |
duke@435 | 94 | THROW_(vmSymbols::java_lang_IllegalArgumentException(), result); |
duke@435 | 95 | } |
duke@435 | 96 | return result; |
duke@435 | 97 | } |
duke@435 | 98 | |
duke@435 | 99 | |
duke@435 | 100 | BasicType Reflection::unbox_for_primitive(oop box, jvalue* value, TRAPS) { |
duke@435 | 101 | if (box == NULL) { |
duke@435 | 102 | THROW_(vmSymbols::java_lang_IllegalArgumentException(), T_ILLEGAL); |
duke@435 | 103 | } |
duke@435 | 104 | return java_lang_boxing_object::get_value(box, value); |
duke@435 | 105 | } |
duke@435 | 106 | |
duke@435 | 107 | BasicType Reflection::unbox_for_regular_object(oop box, jvalue* value) { |
duke@435 | 108 | // Note: box is really the unboxed oop. It might even be a Short, etc.! |
duke@435 | 109 | value->l = (jobject) box; |
duke@435 | 110 | return T_OBJECT; |
duke@435 | 111 | } |
duke@435 | 112 | |
duke@435 | 113 | |
duke@435 | 114 | void Reflection::widen(jvalue* value, BasicType current_type, BasicType wide_type, TRAPS) { |
duke@435 | 115 | assert(wide_type != current_type, "widen should not be called with identical types"); |
duke@435 | 116 | switch (wide_type) { |
duke@435 | 117 | case T_BOOLEAN: |
duke@435 | 118 | case T_BYTE: |
duke@435 | 119 | case T_CHAR: |
duke@435 | 120 | break; // fail |
duke@435 | 121 | case T_SHORT: |
duke@435 | 122 | switch (current_type) { |
duke@435 | 123 | case T_BYTE: |
duke@435 | 124 | value->s = (jshort) value->b; |
duke@435 | 125 | return; |
duke@435 | 126 | } |
duke@435 | 127 | break; // fail |
duke@435 | 128 | case T_INT: |
duke@435 | 129 | switch (current_type) { |
duke@435 | 130 | case T_BYTE: |
duke@435 | 131 | value->i = (jint) value->b; |
duke@435 | 132 | return; |
duke@435 | 133 | case T_CHAR: |
duke@435 | 134 | value->i = (jint) value->c; |
duke@435 | 135 | return; |
duke@435 | 136 | case T_SHORT: |
duke@435 | 137 | value->i = (jint) value->s; |
duke@435 | 138 | return; |
duke@435 | 139 | } |
duke@435 | 140 | break; // fail |
duke@435 | 141 | case T_LONG: |
duke@435 | 142 | switch (current_type) { |
duke@435 | 143 | case T_BYTE: |
duke@435 | 144 | value->j = (jlong) value->b; |
duke@435 | 145 | return; |
duke@435 | 146 | case T_CHAR: |
duke@435 | 147 | value->j = (jlong) value->c; |
duke@435 | 148 | return; |
duke@435 | 149 | case T_SHORT: |
duke@435 | 150 | value->j = (jlong) value->s; |
duke@435 | 151 | return; |
duke@435 | 152 | case T_INT: |
duke@435 | 153 | value->j = (jlong) value->i; |
duke@435 | 154 | return; |
duke@435 | 155 | } |
duke@435 | 156 | break; // fail |
duke@435 | 157 | case T_FLOAT: |
duke@435 | 158 | switch (current_type) { |
duke@435 | 159 | case T_BYTE: |
duke@435 | 160 | value->f = (jfloat) value->b; |
duke@435 | 161 | return; |
duke@435 | 162 | case T_CHAR: |
duke@435 | 163 | value->f = (jfloat) value->c; |
duke@435 | 164 | return; |
duke@435 | 165 | case T_SHORT: |
duke@435 | 166 | value->f = (jfloat) value->s; |
duke@435 | 167 | return; |
duke@435 | 168 | case T_INT: |
duke@435 | 169 | value->f = (jfloat) value->i; |
duke@435 | 170 | return; |
duke@435 | 171 | case T_LONG: |
duke@435 | 172 | value->f = (jfloat) value->j; |
duke@435 | 173 | return; |
duke@435 | 174 | } |
duke@435 | 175 | break; // fail |
duke@435 | 176 | case T_DOUBLE: |
duke@435 | 177 | switch (current_type) { |
duke@435 | 178 | case T_BYTE: |
duke@435 | 179 | value->d = (jdouble) value->b; |
duke@435 | 180 | return; |
duke@435 | 181 | case T_CHAR: |
duke@435 | 182 | value->d = (jdouble) value->c; |
duke@435 | 183 | return; |
duke@435 | 184 | case T_SHORT: |
duke@435 | 185 | value->d = (jdouble) value->s; |
duke@435 | 186 | return; |
duke@435 | 187 | case T_INT: |
duke@435 | 188 | value->d = (jdouble) value->i; |
duke@435 | 189 | return; |
duke@435 | 190 | case T_FLOAT: |
duke@435 | 191 | value->d = (jdouble) value->f; |
duke@435 | 192 | return; |
duke@435 | 193 | case T_LONG: |
duke@435 | 194 | value->d = (jdouble) value->j; |
duke@435 | 195 | return; |
duke@435 | 196 | } |
duke@435 | 197 | break; // fail |
duke@435 | 198 | default: |
duke@435 | 199 | break; // fail |
duke@435 | 200 | } |
duke@435 | 201 | THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
duke@435 | 202 | } |
duke@435 | 203 | |
duke@435 | 204 | |
duke@435 | 205 | BasicType Reflection::array_get(jvalue* value, arrayOop a, int index, TRAPS) { |
duke@435 | 206 | if (!a->is_within_bounds(index)) { |
duke@435 | 207 | THROW_(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), T_ILLEGAL); |
duke@435 | 208 | } |
duke@435 | 209 | if (a->is_objArray()) { |
duke@435 | 210 | value->l = (jobject) objArrayOop(a)->obj_at(index); |
duke@435 | 211 | return T_OBJECT; |
duke@435 | 212 | } else { |
duke@435 | 213 | assert(a->is_typeArray(), "just checking"); |
coleenp@4142 | 214 | BasicType type = TypeArrayKlass::cast(a->klass())->element_type(); |
duke@435 | 215 | switch (type) { |
duke@435 | 216 | case T_BOOLEAN: |
duke@435 | 217 | value->z = typeArrayOop(a)->bool_at(index); |
duke@435 | 218 | break; |
duke@435 | 219 | case T_CHAR: |
duke@435 | 220 | value->c = typeArrayOop(a)->char_at(index); |
duke@435 | 221 | break; |
duke@435 | 222 | case T_FLOAT: |
duke@435 | 223 | value->f = typeArrayOop(a)->float_at(index); |
duke@435 | 224 | break; |
duke@435 | 225 | case T_DOUBLE: |
duke@435 | 226 | value->d = typeArrayOop(a)->double_at(index); |
duke@435 | 227 | break; |
duke@435 | 228 | case T_BYTE: |
duke@435 | 229 | value->b = typeArrayOop(a)->byte_at(index); |
duke@435 | 230 | break; |
duke@435 | 231 | case T_SHORT: |
duke@435 | 232 | value->s = typeArrayOop(a)->short_at(index); |
duke@435 | 233 | break; |
duke@435 | 234 | case T_INT: |
duke@435 | 235 | value->i = typeArrayOop(a)->int_at(index); |
duke@435 | 236 | break; |
duke@435 | 237 | case T_LONG: |
duke@435 | 238 | value->j = typeArrayOop(a)->long_at(index); |
duke@435 | 239 | break; |
duke@435 | 240 | default: |
duke@435 | 241 | return T_ILLEGAL; |
duke@435 | 242 | } |
duke@435 | 243 | return type; |
duke@435 | 244 | } |
duke@435 | 245 | } |
duke@435 | 246 | |
duke@435 | 247 | |
duke@435 | 248 | void Reflection::array_set(jvalue* value, arrayOop a, int index, BasicType value_type, TRAPS) { |
duke@435 | 249 | if (!a->is_within_bounds(index)) { |
duke@435 | 250 | THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); |
duke@435 | 251 | } |
duke@435 | 252 | if (a->is_objArray()) { |
duke@435 | 253 | if (value_type == T_OBJECT) { |
duke@435 | 254 | oop obj = (oop) value->l; |
duke@435 | 255 | if (obj != NULL) { |
coleenp@4142 | 256 | Klass* element_klass = ObjArrayKlass::cast(a->klass())->element_klass(); |
duke@435 | 257 | if (!obj->is_a(element_klass)) { |
duke@435 | 258 | THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "array element type mismatch"); |
duke@435 | 259 | } |
duke@435 | 260 | } |
duke@435 | 261 | objArrayOop(a)->obj_at_put(index, obj); |
duke@435 | 262 | } |
duke@435 | 263 | } else { |
duke@435 | 264 | assert(a->is_typeArray(), "just checking"); |
coleenp@4142 | 265 | BasicType array_type = TypeArrayKlass::cast(a->klass())->element_type(); |
duke@435 | 266 | if (array_type != value_type) { |
duke@435 | 267 | // The widen operation can potentially throw an exception, but cannot block, |
duke@435 | 268 | // so typeArrayOop a is safe if the call succeeds. |
duke@435 | 269 | widen(value, value_type, array_type, CHECK); |
duke@435 | 270 | } |
duke@435 | 271 | switch (array_type) { |
duke@435 | 272 | case T_BOOLEAN: |
duke@435 | 273 | typeArrayOop(a)->bool_at_put(index, value->z); |
duke@435 | 274 | break; |
duke@435 | 275 | case T_CHAR: |
duke@435 | 276 | typeArrayOop(a)->char_at_put(index, value->c); |
duke@435 | 277 | break; |
duke@435 | 278 | case T_FLOAT: |
duke@435 | 279 | typeArrayOop(a)->float_at_put(index, value->f); |
duke@435 | 280 | break; |
duke@435 | 281 | case T_DOUBLE: |
duke@435 | 282 | typeArrayOop(a)->double_at_put(index, value->d); |
duke@435 | 283 | break; |
duke@435 | 284 | case T_BYTE: |
duke@435 | 285 | typeArrayOop(a)->byte_at_put(index, value->b); |
duke@435 | 286 | break; |
duke@435 | 287 | case T_SHORT: |
duke@435 | 288 | typeArrayOop(a)->short_at_put(index, value->s); |
duke@435 | 289 | break; |
duke@435 | 290 | case T_INT: |
duke@435 | 291 | typeArrayOop(a)->int_at_put(index, value->i); |
duke@435 | 292 | break; |
duke@435 | 293 | case T_LONG: |
duke@435 | 294 | typeArrayOop(a)->long_at_put(index, value->j); |
duke@435 | 295 | break; |
duke@435 | 296 | default: |
duke@435 | 297 | THROW(vmSymbols::java_lang_IllegalArgumentException()); |
duke@435 | 298 | } |
duke@435 | 299 | } |
duke@435 | 300 | } |
duke@435 | 301 | |
duke@435 | 302 | |
coleenp@4037 | 303 | Klass* Reflection::basic_type_mirror_to_arrayklass(oop basic_type_mirror, TRAPS) { |
duke@435 | 304 | assert(java_lang_Class::is_primitive(basic_type_mirror), "just checking"); |
duke@435 | 305 | BasicType type = java_lang_Class::primitive_type(basic_type_mirror); |
duke@435 | 306 | if (type == T_VOID) { |
duke@435 | 307 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
duke@435 | 308 | } else { |
duke@435 | 309 | return Universe::typeArrayKlassObj(type); |
duke@435 | 310 | } |
duke@435 | 311 | } |
duke@435 | 312 | |
duke@435 | 313 | |
coleenp@4037 | 314 | oop Reflection:: basic_type_arrayklass_to_mirror(Klass* basic_type_arrayklass, TRAPS) { |
coleenp@4142 | 315 | BasicType type = TypeArrayKlass::cast(basic_type_arrayklass)->element_type(); |
duke@435 | 316 | return Universe::java_mirror(type); |
duke@435 | 317 | } |
duke@435 | 318 | |
duke@435 | 319 | |
duke@435 | 320 | arrayOop Reflection::reflect_new_array(oop element_mirror, jint length, TRAPS) { |
duke@435 | 321 | if (element_mirror == NULL) { |
duke@435 | 322 | THROW_0(vmSymbols::java_lang_NullPointerException()); |
duke@435 | 323 | } |
duke@435 | 324 | if (length < 0) { |
duke@435 | 325 | THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); |
duke@435 | 326 | } |
duke@435 | 327 | if (java_lang_Class::is_primitive(element_mirror)) { |
coleenp@4037 | 328 | Klass* tak = basic_type_mirror_to_arrayklass(element_mirror, CHECK_NULL); |
coleenp@4142 | 329 | return TypeArrayKlass::cast(tak)->allocate(length, THREAD); |
duke@435 | 330 | } else { |
coleenp@4037 | 331 | Klass* k = java_lang_Class::as_Klass(element_mirror); |
hseigel@4278 | 332 | if (k->oop_is_array() && ArrayKlass::cast(k)->dimension() >= MAX_DIM) { |
duke@435 | 333 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
duke@435 | 334 | } |
duke@435 | 335 | return oopFactory::new_objArray(k, length, THREAD); |
duke@435 | 336 | } |
duke@435 | 337 | } |
duke@435 | 338 | |
duke@435 | 339 | |
duke@435 | 340 | arrayOop Reflection::reflect_new_multi_array(oop element_mirror, typeArrayOop dim_array, TRAPS) { |
duke@435 | 341 | assert(dim_array->is_typeArray(), "just checking"); |
coleenp@4142 | 342 | assert(TypeArrayKlass::cast(dim_array->klass())->element_type() == T_INT, "just checking"); |
duke@435 | 343 | |
duke@435 | 344 | if (element_mirror == NULL) { |
duke@435 | 345 | THROW_0(vmSymbols::java_lang_NullPointerException()); |
duke@435 | 346 | } |
duke@435 | 347 | |
duke@435 | 348 | int len = dim_array->length(); |
duke@435 | 349 | if (len <= 0 || len > MAX_DIM) { |
duke@435 | 350 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
duke@435 | 351 | } |
duke@435 | 352 | |
duke@435 | 353 | jint dimensions[MAX_DIM]; // C array copy of intArrayOop |
duke@435 | 354 | for (int i = 0; i < len; i++) { |
duke@435 | 355 | int d = dim_array->int_at(i); |
duke@435 | 356 | if (d < 0) { |
duke@435 | 357 | THROW_0(vmSymbols::java_lang_NegativeArraySizeException()); |
duke@435 | 358 | } |
duke@435 | 359 | dimensions[i] = d; |
duke@435 | 360 | } |
duke@435 | 361 | |
coleenp@4037 | 362 | Klass* klass; |
duke@435 | 363 | int dim = len; |
duke@435 | 364 | if (java_lang_Class::is_primitive(element_mirror)) { |
duke@435 | 365 | klass = basic_type_mirror_to_arrayklass(element_mirror, CHECK_NULL); |
duke@435 | 366 | } else { |
coleenp@4037 | 367 | klass = java_lang_Class::as_Klass(element_mirror); |
hseigel@4278 | 368 | if (klass->oop_is_array()) { |
coleenp@4142 | 369 | int k_dim = ArrayKlass::cast(klass)->dimension(); |
duke@435 | 370 | if (k_dim + len > MAX_DIM) { |
duke@435 | 371 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
duke@435 | 372 | } |
duke@435 | 373 | dim += k_dim; |
duke@435 | 374 | } |
duke@435 | 375 | } |
hseigel@4278 | 376 | klass = klass->array_klass(dim, CHECK_NULL); |
ctornqvi@5211 | 377 | oop obj = ArrayKlass::cast(klass)->multi_allocate(len, dimensions, CHECK_NULL); |
duke@435 | 378 | assert(obj->is_array(), "just checking"); |
duke@435 | 379 | return arrayOop(obj); |
duke@435 | 380 | } |
duke@435 | 381 | |
duke@435 | 382 | |
duke@435 | 383 | oop Reflection::array_component_type(oop mirror, TRAPS) { |
duke@435 | 384 | if (java_lang_Class::is_primitive(mirror)) { |
duke@435 | 385 | return NULL; |
duke@435 | 386 | } |
duke@435 | 387 | |
coleenp@4037 | 388 | Klass* klass = java_lang_Class::as_Klass(mirror); |
hseigel@4278 | 389 | if (!klass->oop_is_array()) { |
duke@435 | 390 | return NULL; |
duke@435 | 391 | } |
duke@435 | 392 | |
coleenp@4142 | 393 | oop result = ArrayKlass::cast(klass)->component_mirror(); |
duke@435 | 394 | #ifdef ASSERT |
duke@435 | 395 | oop result2 = NULL; |
coleenp@4142 | 396 | if (ArrayKlass::cast(klass)->dimension() == 1) { |
hseigel@4278 | 397 | if (klass->oop_is_typeArray()) { |
duke@435 | 398 | result2 = basic_type_arrayklass_to_mirror(klass, CHECK_NULL); |
duke@435 | 399 | } else { |
hseigel@4278 | 400 | result2 = ObjArrayKlass::cast(klass)->element_klass()->java_mirror(); |
duke@435 | 401 | } |
duke@435 | 402 | } else { |
coleenp@4142 | 403 | Klass* lower_dim = ArrayKlass::cast(klass)->lower_dimension(); |
hseigel@4278 | 404 | assert(lower_dim->oop_is_array(), "just checking"); |
hseigel@4278 | 405 | result2 = lower_dim->java_mirror(); |
duke@435 | 406 | } |
duke@435 | 407 | assert(result == result2, "results must be consistent"); |
duke@435 | 408 | #endif //ASSERT |
duke@435 | 409 | return result; |
duke@435 | 410 | } |
duke@435 | 411 | |
duke@435 | 412 | |
coleenp@4037 | 413 | bool Reflection::reflect_check_access(Klass* field_class, AccessFlags acc, Klass* target_class, bool is_method_invoke, TRAPS) { |
duke@435 | 414 | // field_class : declaring class |
duke@435 | 415 | // acc : declared field access |
duke@435 | 416 | // target_class : for protected |
duke@435 | 417 | |
duke@435 | 418 | // Check if field or method is accessible to client. Throw an |
duke@435 | 419 | // IllegalAccessException and return false if not. |
duke@435 | 420 | |
duke@435 | 421 | // The "client" is the class associated with the nearest real frame |
duke@435 | 422 | // getCallerClass already skips Method.invoke frames, so pass 0 in |
duke@435 | 423 | // that case (same as classic). |
duke@435 | 424 | ResourceMark rm(THREAD); |
duke@435 | 425 | assert(THREAD->is_Java_thread(), "sanity check"); |
coleenp@4037 | 426 | Klass* client_class = ((JavaThread *)THREAD)->security_get_caller_class(is_method_invoke ? 0 : 1); |
duke@435 | 427 | |
duke@435 | 428 | if (client_class != field_class) { |
duke@435 | 429 | if (!verify_class_access(client_class, field_class, false) |
duke@435 | 430 | || !verify_field_access(client_class, |
duke@435 | 431 | field_class, |
duke@435 | 432 | field_class, |
duke@435 | 433 | acc, |
duke@435 | 434 | false)) { |
duke@435 | 435 | THROW_(vmSymbols::java_lang_IllegalAccessException(), false); |
duke@435 | 436 | } |
duke@435 | 437 | } |
duke@435 | 438 | |
duke@435 | 439 | // Additional test for protected members: JLS 6.6.2 |
duke@435 | 440 | |
duke@435 | 441 | if (acc.is_protected()) { |
duke@435 | 442 | if (target_class != client_class) { |
duke@435 | 443 | if (!is_same_class_package(client_class, field_class)) { |
hseigel@4278 | 444 | if (!target_class->is_subclass_of(client_class)) { |
duke@435 | 445 | THROW_(vmSymbols::java_lang_IllegalAccessException(), false); |
duke@435 | 446 | } |
duke@435 | 447 | } |
duke@435 | 448 | } |
duke@435 | 449 | } |
duke@435 | 450 | |
duke@435 | 451 | // Passed all tests |
duke@435 | 452 | return true; |
duke@435 | 453 | } |
duke@435 | 454 | |
duke@435 | 455 | |
coleenp@4037 | 456 | bool Reflection::verify_class_access(Klass* current_class, Klass* new_class, bool classloader_only) { |
duke@435 | 457 | // Verify that current_class can access new_class. If the classloader_only |
duke@435 | 458 | // flag is set, we automatically allow any accesses in which current_class |
duke@435 | 459 | // doesn't have a classloader. |
duke@435 | 460 | if ((current_class == NULL) || |
duke@435 | 461 | (current_class == new_class) || |
twisti@5354 | 462 | (new_class->is_public()) || |
duke@435 | 463 | is_same_class_package(current_class, new_class)) { |
duke@435 | 464 | return true; |
duke@435 | 465 | } |
duke@435 | 466 | // New (1.4) reflection implementation. Allow all accesses from |
duke@435 | 467 | // sun/reflect/MagicAccessorImpl subclasses to succeed trivially. |
duke@435 | 468 | if ( JDK_Version::is_gte_jdk14x_version() |
duke@435 | 469 | && UseNewReflection |
hseigel@4278 | 470 | && current_class->is_subclass_of(SystemDictionary::reflect_MagicAccessorImpl_klass())) { |
duke@435 | 471 | return true; |
duke@435 | 472 | } |
duke@435 | 473 | |
duke@435 | 474 | return can_relax_access_check_for(current_class, new_class, classloader_only); |
duke@435 | 475 | } |
duke@435 | 476 | |
coleenp@4037 | 477 | static bool under_host_klass(InstanceKlass* ik, Klass* host_klass) { |
jrose@866 | 478 | DEBUG_ONLY(int inf_loop_check = 1000 * 1000 * 1000); |
jrose@866 | 479 | for (;;) { |
coleenp@4037 | 480 | Klass* hc = (Klass*) ik->host_klass(); |
jrose@866 | 481 | if (hc == NULL) return false; |
jrose@866 | 482 | if (hc == host_klass) return true; |
coleenp@4037 | 483 | ik = InstanceKlass::cast(hc); |
jrose@866 | 484 | |
jrose@866 | 485 | // There's no way to make a host class loop short of patching memory. |
hseigel@6824 | 486 | // Therefore there cannot be a loop here unless there's another bug. |
jrose@866 | 487 | // Still, let's check for it. |
jrose@866 | 488 | assert(--inf_loop_check > 0, "no host_klass loop"); |
jrose@866 | 489 | } |
jrose@866 | 490 | } |
jrose@866 | 491 | |
duke@435 | 492 | bool Reflection::can_relax_access_check_for( |
coleenp@4037 | 493 | Klass* accessor, Klass* accessee, bool classloader_only) { |
coleenp@4037 | 494 | InstanceKlass* accessor_ik = InstanceKlass::cast(accessor); |
coleenp@4037 | 495 | InstanceKlass* accessee_ik = InstanceKlass::cast(accessee); |
jrose@866 | 496 | |
jrose@866 | 497 | // If either is on the other's host_klass chain, access is OK, |
jrose@866 | 498 | // because one is inside the other. |
jrose@866 | 499 | if (under_host_klass(accessor_ik, accessee) || |
jrose@866 | 500 | under_host_klass(accessee_ik, accessor)) |
jrose@866 | 501 | return true; |
jrose@866 | 502 | |
hseigel@5213 | 503 | if ((RelaxAccessControlCheck && |
hseigel@5213 | 504 | accessor_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION && |
hseigel@5213 | 505 | accessee_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION) || |
hseigel@5213 | 506 | (accessor_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION && |
hseigel@5213 | 507 | accessee_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION)) { |
duke@435 | 508 | return classloader_only && |
duke@435 | 509 | Verifier::relax_verify_for(accessor_ik->class_loader()) && |
duke@435 | 510 | accessor_ik->protection_domain() == accessee_ik->protection_domain() && |
duke@435 | 511 | accessor_ik->class_loader() == accessee_ik->class_loader(); |
duke@435 | 512 | } else { |
duke@435 | 513 | return false; |
duke@435 | 514 | } |
duke@435 | 515 | } |
duke@435 | 516 | |
coleenp@4037 | 517 | bool Reflection::verify_field_access(Klass* current_class, |
coleenp@4037 | 518 | Klass* resolved_class, |
coleenp@4037 | 519 | Klass* field_class, |
duke@435 | 520 | AccessFlags access, |
duke@435 | 521 | bool classloader_only, |
duke@435 | 522 | bool protected_restriction) { |
duke@435 | 523 | // Verify that current_class can access a field of field_class, where that |
duke@435 | 524 | // field's access bits are "access". We assume that we've already verified |
duke@435 | 525 | // that current_class can access field_class. |
duke@435 | 526 | // |
duke@435 | 527 | // If the classloader_only flag is set, we automatically allow any accesses |
duke@435 | 528 | // in which current_class doesn't have a classloader. |
duke@435 | 529 | // |
duke@435 | 530 | // "resolved_class" is the runtime type of "field_class". Sometimes we don't |
duke@435 | 531 | // need this distinction (e.g. if all we have is the runtime type, or during |
duke@435 | 532 | // class file parsing when we only care about the static type); in that case |
duke@435 | 533 | // callers should ensure that resolved_class == field_class. |
duke@435 | 534 | // |
duke@435 | 535 | if ((current_class == NULL) || |
duke@435 | 536 | (current_class == field_class) || |
duke@435 | 537 | access.is_public()) { |
duke@435 | 538 | return true; |
duke@435 | 539 | } |
duke@435 | 540 | |
hseigel@6161 | 541 | Klass* host_class = current_class; |
hseigel@6161 | 542 | while (host_class->oop_is_instance() && |
hseigel@6161 | 543 | InstanceKlass::cast(host_class)->is_anonymous()) { |
hseigel@6161 | 544 | Klass* next_host_class = InstanceKlass::cast(host_class)->host_klass(); |
hseigel@6161 | 545 | if (next_host_class == NULL) break; |
hseigel@6161 | 546 | host_class = next_host_class; |
hseigel@6161 | 547 | } |
hseigel@6161 | 548 | if (host_class == field_class) { |
hseigel@6161 | 549 | return true; |
hseigel@6161 | 550 | } |
hseigel@6161 | 551 | |
duke@435 | 552 | if (access.is_protected()) { |
duke@435 | 553 | if (!protected_restriction) { |
hseigel@6161 | 554 | // See if current_class (or outermost host class) is a subclass of field_class |
hseigel@6824 | 555 | // An interface may not access protected members of j.l.Object |
hseigel@6824 | 556 | if (!host_class->is_interface() && host_class->is_subclass_of(field_class)) { |
kamg@550 | 557 | if (access.is_static() || // static fields are ok, see 6622385 |
kamg@550 | 558 | current_class == resolved_class || |
duke@435 | 559 | field_class == resolved_class || |
hseigel@6161 | 560 | host_class->is_subclass_of(resolved_class) || |
hseigel@6161 | 561 | resolved_class->is_subclass_of(host_class)) { |
duke@435 | 562 | return true; |
duke@435 | 563 | } |
duke@435 | 564 | } |
duke@435 | 565 | } |
duke@435 | 566 | } |
duke@435 | 567 | |
duke@435 | 568 | if (!access.is_private() && is_same_class_package(current_class, field_class)) { |
duke@435 | 569 | return true; |
duke@435 | 570 | } |
duke@435 | 571 | |
duke@435 | 572 | // New (1.4) reflection implementation. Allow all accesses from |
duke@435 | 573 | // sun/reflect/MagicAccessorImpl subclasses to succeed trivially. |
duke@435 | 574 | if ( JDK_Version::is_gte_jdk14x_version() |
duke@435 | 575 | && UseNewReflection |
hseigel@4278 | 576 | && current_class->is_subclass_of(SystemDictionary::reflect_MagicAccessorImpl_klass())) { |
duke@435 | 577 | return true; |
duke@435 | 578 | } |
duke@435 | 579 | |
duke@435 | 580 | return can_relax_access_check_for( |
duke@435 | 581 | current_class, field_class, classloader_only); |
duke@435 | 582 | } |
duke@435 | 583 | |
duke@435 | 584 | |
coleenp@4037 | 585 | bool Reflection::is_same_class_package(Klass* class1, Klass* class2) { |
coleenp@4037 | 586 | return InstanceKlass::cast(class1)->is_same_class_package(class2); |
duke@435 | 587 | } |
duke@435 | 588 | |
coleenp@4037 | 589 | bool Reflection::is_same_package_member(Klass* class1, Klass* class2, TRAPS) { |
coleenp@4037 | 590 | return InstanceKlass::cast(class1)->is_same_package_member(class2, THREAD); |
jrose@1100 | 591 | } |
jrose@1100 | 592 | |
duke@435 | 593 | |
duke@435 | 594 | // Checks that the 'outer' klass has declared 'inner' as being an inner klass. If not, |
duke@435 | 595 | // throw an incompatible class change exception |
jrose@1100 | 596 | // If inner_is_member, require the inner to be a member of the outer. |
jrose@1100 | 597 | // If !inner_is_member, require the inner to be anonymous (a non-member). |
jrose@1100 | 598 | // Caller is responsible for figuring out in advance which case must be true. |
jrose@1100 | 599 | void Reflection::check_for_inner_class(instanceKlassHandle outer, instanceKlassHandle inner, |
jrose@1100 | 600 | bool inner_is_member, TRAPS) { |
jiangli@3670 | 601 | InnerClassesIterator iter(outer); |
duke@435 | 602 | constantPoolHandle cp (THREAD, outer->constants()); |
jiangli@3670 | 603 | for (; !iter.done(); iter.next()) { |
jiangli@3670 | 604 | int ioff = iter.inner_class_info_index(); |
jiangli@3670 | 605 | int ooff = iter.outer_class_info_index(); |
duke@435 | 606 | |
jrose@1100 | 607 | if (inner_is_member && ioff != 0 && ooff != 0) { |
coleenp@4037 | 608 | Klass* o = cp->klass_at(ooff, CHECK); |
duke@435 | 609 | if (o == outer()) { |
coleenp@4037 | 610 | Klass* i = cp->klass_at(ioff, CHECK); |
duke@435 | 611 | if (i == inner()) { |
duke@435 | 612 | return; |
duke@435 | 613 | } |
duke@435 | 614 | } |
duke@435 | 615 | } |
jrose@1100 | 616 | if (!inner_is_member && ioff != 0 && ooff == 0 && |
jrose@1100 | 617 | cp->klass_name_at_matches(inner, ioff)) { |
coleenp@4037 | 618 | Klass* i = cp->klass_at(ioff, CHECK); |
jrose@1100 | 619 | if (i == inner()) { |
jrose@1100 | 620 | return; |
jrose@1100 | 621 | } |
jrose@1100 | 622 | } |
duke@435 | 623 | } |
duke@435 | 624 | |
duke@435 | 625 | // 'inner' not declared as an inner klass in outer |
duke@435 | 626 | ResourceMark rm(THREAD); |
duke@435 | 627 | Exceptions::fthrow( |
duke@435 | 628 | THREAD_AND_LOCATION, |
coleenp@2497 | 629 | vmSymbols::java_lang_IncompatibleClassChangeError(), |
duke@435 | 630 | "%s and %s disagree on InnerClasses attribute", |
duke@435 | 631 | outer->external_name(), |
duke@435 | 632 | inner->external_name() |
duke@435 | 633 | ); |
duke@435 | 634 | } |
duke@435 | 635 | |
duke@435 | 636 | // Utility method converting a single SignatureStream element into java.lang.Class instance |
duke@435 | 637 | |
duke@435 | 638 | oop get_mirror_from_signature(methodHandle method, SignatureStream* ss, TRAPS) { |
duke@435 | 639 | switch (ss->type()) { |
duke@435 | 640 | default: |
duke@435 | 641 | assert(ss->type() != T_VOID || ss->at_return_type(), "T_VOID should only appear as return type"); |
duke@435 | 642 | return java_lang_Class::primitive_mirror(ss->type()); |
duke@435 | 643 | case T_OBJECT: |
duke@435 | 644 | case T_ARRAY: |
coleenp@2497 | 645 | Symbol* name = ss->as_symbol(CHECK_NULL); |
coleenp@4251 | 646 | oop loader = method->method_holder()->class_loader(); |
coleenp@4251 | 647 | oop protection_domain = method->method_holder()->protection_domain(); |
coleenp@4037 | 648 | Klass* k = SystemDictionary::resolve_or_fail( |
coleenp@2497 | 649 | name, |
duke@435 | 650 | Handle(THREAD, loader), |
duke@435 | 651 | Handle(THREAD, protection_domain), |
duke@435 | 652 | true, CHECK_NULL); |
duke@435 | 653 | if (TraceClassResolution) { |
duke@435 | 654 | trace_class_resolution(k); |
duke@435 | 655 | } |
never@2658 | 656 | return k->java_mirror(); |
duke@435 | 657 | }; |
duke@435 | 658 | } |
duke@435 | 659 | |
duke@435 | 660 | |
duke@435 | 661 | objArrayHandle Reflection::get_parameter_types(methodHandle method, int parameter_count, oop* return_type, TRAPS) { |
duke@435 | 662 | // Allocate array holding parameter types (java.lang.Class instances) |
never@1577 | 663 | objArrayOop m = oopFactory::new_objArray(SystemDictionary::Class_klass(), parameter_count, CHECK_(objArrayHandle())); |
duke@435 | 664 | objArrayHandle mirrors (THREAD, m); |
duke@435 | 665 | int index = 0; |
duke@435 | 666 | // Collect parameter types |
coleenp@2497 | 667 | ResourceMark rm(THREAD); |
coleenp@2497 | 668 | Symbol* signature = method->signature(); |
duke@435 | 669 | SignatureStream ss(signature); |
duke@435 | 670 | while (!ss.at_return_type()) { |
duke@435 | 671 | oop mirror = get_mirror_from_signature(method, &ss, CHECK_(objArrayHandle())); |
duke@435 | 672 | mirrors->obj_at_put(index++, mirror); |
duke@435 | 673 | ss.next(); |
duke@435 | 674 | } |
duke@435 | 675 | assert(index == parameter_count, "invalid parameter count"); |
duke@435 | 676 | if (return_type != NULL) { |
duke@435 | 677 | // Collect return type as well |
duke@435 | 678 | assert(ss.at_return_type(), "return type should be present"); |
duke@435 | 679 | *return_type = get_mirror_from_signature(method, &ss, CHECK_(objArrayHandle())); |
duke@435 | 680 | } |
duke@435 | 681 | return mirrors; |
duke@435 | 682 | } |
duke@435 | 683 | |
duke@435 | 684 | objArrayHandle Reflection::get_exception_types(methodHandle method, TRAPS) { |
phh@9507 | 685 | return method->resolved_checked_exceptions(THREAD); |
duke@435 | 686 | } |
duke@435 | 687 | |
duke@435 | 688 | |
coleenp@2497 | 689 | Handle Reflection::new_type(Symbol* signature, KlassHandle k, TRAPS) { |
duke@435 | 690 | // Basic types |
coleenp@2497 | 691 | BasicType type = vmSymbols::signature_type(signature); |
duke@435 | 692 | if (type != T_OBJECT) { |
duke@435 | 693 | return Handle(THREAD, Universe::java_mirror(type)); |
duke@435 | 694 | } |
duke@435 | 695 | |
coleenp@4037 | 696 | oop loader = InstanceKlass::cast(k())->class_loader(); |
hseigel@4278 | 697 | oop protection_domain = k()->protection_domain(); |
coleenp@4037 | 698 | Klass* result = SystemDictionary::resolve_or_fail(signature, |
duke@435 | 699 | Handle(THREAD, loader), |
duke@435 | 700 | Handle(THREAD, protection_domain), |
duke@435 | 701 | true, CHECK_(Handle())); |
duke@435 | 702 | |
duke@435 | 703 | if (TraceClassResolution) { |
duke@435 | 704 | trace_class_resolution(result); |
duke@435 | 705 | } |
duke@435 | 706 | |
hseigel@4278 | 707 | oop nt = result->java_mirror(); |
duke@435 | 708 | return Handle(THREAD, nt); |
duke@435 | 709 | } |
duke@435 | 710 | |
duke@435 | 711 | |
duke@435 | 712 | oop Reflection::new_method(methodHandle method, bool intern_name, bool for_constant_pool_access, TRAPS) { |
duke@435 | 713 | // In jdk1.2.x, getMethods on an interface erroneously includes <clinit>, thus the complicated assert. |
duke@435 | 714 | // Also allow sun.reflect.ConstantPool to refer to <clinit> methods as java.lang.reflect.Methods. |
duke@435 | 715 | assert(!method()->is_initializer() || |
duke@435 | 716 | (for_constant_pool_access && method()->is_static()) || |
duke@435 | 717 | (method()->name() == vmSymbols::class_initializer_name() |
coleenp@4251 | 718 | && method()->method_holder()->is_interface() && JDK_Version::is_jdk12x_version()), "should call new_constructor instead"); |
duke@435 | 719 | instanceKlassHandle holder (THREAD, method->method_holder()); |
duke@435 | 720 | int slot = method->method_idnum(); |
duke@435 | 721 | |
coleenp@2497 | 722 | Symbol* signature = method->signature(); |
duke@435 | 723 | int parameter_count = ArgumentCount(signature).size(); |
duke@435 | 724 | oop return_type_oop = NULL; |
duke@435 | 725 | objArrayHandle parameter_types = get_parameter_types(method, parameter_count, &return_type_oop, CHECK_NULL); |
duke@435 | 726 | if (parameter_types.is_null() || return_type_oop == NULL) return NULL; |
duke@435 | 727 | |
duke@435 | 728 | Handle return_type(THREAD, return_type_oop); |
duke@435 | 729 | |
duke@435 | 730 | objArrayHandle exception_types = get_exception_types(method, CHECK_NULL); |
duke@435 | 731 | |
duke@435 | 732 | if (exception_types.is_null()) return NULL; |
duke@435 | 733 | |
coleenp@2497 | 734 | Symbol* method_name = method->name(); |
duke@435 | 735 | Handle name; |
duke@435 | 736 | if (intern_name) { |
duke@435 | 737 | // intern_name is only true with UseNewReflection |
coleenp@2497 | 738 | oop name_oop = StringTable::intern(method_name, CHECK_NULL); |
duke@435 | 739 | name = Handle(THREAD, name_oop); |
duke@435 | 740 | } else { |
duke@435 | 741 | name = java_lang_String::create_from_symbol(method_name, CHECK_NULL); |
duke@435 | 742 | } |
coleenp@2497 | 743 | if (name == NULL) return NULL; |
duke@435 | 744 | |
duke@435 | 745 | int modifiers = method->access_flags().as_int() & JVM_RECOGNIZED_METHOD_MODIFIERS; |
duke@435 | 746 | |
duke@435 | 747 | Handle mh = java_lang_reflect_Method::create(CHECK_NULL); |
duke@435 | 748 | |
duke@435 | 749 | java_lang_reflect_Method::set_clazz(mh(), holder->java_mirror()); |
duke@435 | 750 | java_lang_reflect_Method::set_slot(mh(), slot); |
duke@435 | 751 | java_lang_reflect_Method::set_name(mh(), name()); |
duke@435 | 752 | java_lang_reflect_Method::set_return_type(mh(), return_type()); |
duke@435 | 753 | java_lang_reflect_Method::set_parameter_types(mh(), parameter_types()); |
duke@435 | 754 | java_lang_reflect_Method::set_exception_types(mh(), exception_types()); |
duke@435 | 755 | java_lang_reflect_Method::set_modifiers(mh(), modifiers); |
duke@435 | 756 | java_lang_reflect_Method::set_override(mh(), false); |
duke@435 | 757 | if (java_lang_reflect_Method::has_signature_field() && |
duke@435 | 758 | method->generic_signature() != NULL) { |
coleenp@2497 | 759 | Symbol* gs = method->generic_signature(); |
duke@435 | 760 | Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
duke@435 | 761 | java_lang_reflect_Method::set_signature(mh(), sig()); |
duke@435 | 762 | } |
duke@435 | 763 | if (java_lang_reflect_Method::has_annotations_field()) { |
coleenp@4037 | 764 | typeArrayOop an_oop = Annotations::make_java_array(method->annotations(), CHECK_NULL); |
coleenp@4037 | 765 | java_lang_reflect_Method::set_annotations(mh(), an_oop); |
duke@435 | 766 | } |
duke@435 | 767 | if (java_lang_reflect_Method::has_parameter_annotations_field()) { |
coleenp@4037 | 768 | typeArrayOop an_oop = Annotations::make_java_array(method->parameter_annotations(), CHECK_NULL); |
coleenp@4037 | 769 | java_lang_reflect_Method::set_parameter_annotations(mh(), an_oop); |
duke@435 | 770 | } |
duke@435 | 771 | if (java_lang_reflect_Method::has_annotation_default_field()) { |
coleenp@4037 | 772 | typeArrayOop an_oop = Annotations::make_java_array(method->annotation_default(), CHECK_NULL); |
coleenp@4037 | 773 | java_lang_reflect_Method::set_annotation_default(mh(), an_oop); |
duke@435 | 774 | } |
stefank@4393 | 775 | if (java_lang_reflect_Method::has_type_annotations_field()) { |
stefank@4393 | 776 | typeArrayOop an_oop = Annotations::make_java_array(method->type_annotations(), CHECK_NULL); |
stefank@4393 | 777 | java_lang_reflect_Method::set_type_annotations(mh(), an_oop); |
stefank@4393 | 778 | } |
duke@435 | 779 | return mh(); |
duke@435 | 780 | } |
duke@435 | 781 | |
duke@435 | 782 | |
duke@435 | 783 | oop Reflection::new_constructor(methodHandle method, TRAPS) { |
duke@435 | 784 | assert(method()->is_initializer(), "should call new_method instead"); |
duke@435 | 785 | |
duke@435 | 786 | instanceKlassHandle holder (THREAD, method->method_holder()); |
duke@435 | 787 | int slot = method->method_idnum(); |
duke@435 | 788 | |
coleenp@2497 | 789 | Symbol* signature = method->signature(); |
duke@435 | 790 | int parameter_count = ArgumentCount(signature).size(); |
duke@435 | 791 | objArrayHandle parameter_types = get_parameter_types(method, parameter_count, NULL, CHECK_NULL); |
duke@435 | 792 | if (parameter_types.is_null()) return NULL; |
duke@435 | 793 | |
duke@435 | 794 | objArrayHandle exception_types = get_exception_types(method, CHECK_NULL); |
duke@435 | 795 | if (exception_types.is_null()) return NULL; |
duke@435 | 796 | |
duke@435 | 797 | int modifiers = method->access_flags().as_int() & JVM_RECOGNIZED_METHOD_MODIFIERS; |
duke@435 | 798 | |
duke@435 | 799 | Handle ch = java_lang_reflect_Constructor::create(CHECK_NULL); |
duke@435 | 800 | |
duke@435 | 801 | java_lang_reflect_Constructor::set_clazz(ch(), holder->java_mirror()); |
duke@435 | 802 | java_lang_reflect_Constructor::set_slot(ch(), slot); |
duke@435 | 803 | java_lang_reflect_Constructor::set_parameter_types(ch(), parameter_types()); |
duke@435 | 804 | java_lang_reflect_Constructor::set_exception_types(ch(), exception_types()); |
duke@435 | 805 | java_lang_reflect_Constructor::set_modifiers(ch(), modifiers); |
duke@435 | 806 | java_lang_reflect_Constructor::set_override(ch(), false); |
duke@435 | 807 | if (java_lang_reflect_Constructor::has_signature_field() && |
duke@435 | 808 | method->generic_signature() != NULL) { |
coleenp@2497 | 809 | Symbol* gs = method->generic_signature(); |
duke@435 | 810 | Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
duke@435 | 811 | java_lang_reflect_Constructor::set_signature(ch(), sig()); |
duke@435 | 812 | } |
duke@435 | 813 | if (java_lang_reflect_Constructor::has_annotations_field()) { |
coleenp@4037 | 814 | typeArrayOop an_oop = Annotations::make_java_array(method->annotations(), CHECK_NULL); |
coleenp@4037 | 815 | java_lang_reflect_Constructor::set_annotations(ch(), an_oop); |
duke@435 | 816 | } |
duke@435 | 817 | if (java_lang_reflect_Constructor::has_parameter_annotations_field()) { |
coleenp@4037 | 818 | typeArrayOop an_oop = Annotations::make_java_array(method->parameter_annotations(), CHECK_NULL); |
coleenp@4037 | 819 | java_lang_reflect_Constructor::set_parameter_annotations(ch(), an_oop); |
duke@435 | 820 | } |
rbackman@5210 | 821 | if (java_lang_reflect_Constructor::has_type_annotations_field()) { |
rbackman@5210 | 822 | typeArrayOop an_oop = Annotations::make_java_array(method->type_annotations(), CHECK_NULL); |
rbackman@5210 | 823 | java_lang_reflect_Constructor::set_type_annotations(ch(), an_oop); |
rbackman@5210 | 824 | } |
duke@435 | 825 | return ch(); |
duke@435 | 826 | } |
duke@435 | 827 | |
duke@435 | 828 | |
duke@435 | 829 | oop Reflection::new_field(fieldDescriptor* fd, bool intern_name, TRAPS) { |
coleenp@2497 | 830 | Symbol* field_name = fd->name(); |
duke@435 | 831 | Handle name; |
duke@435 | 832 | if (intern_name) { |
duke@435 | 833 | // intern_name is only true with UseNewReflection |
coleenp@2497 | 834 | oop name_oop = StringTable::intern(field_name, CHECK_NULL); |
duke@435 | 835 | name = Handle(THREAD, name_oop); |
duke@435 | 836 | } else { |
duke@435 | 837 | name = java_lang_String::create_from_symbol(field_name, CHECK_NULL); |
duke@435 | 838 | } |
coleenp@2497 | 839 | Symbol* signature = fd->signature(); |
coleenp@4037 | 840 | instanceKlassHandle holder (THREAD, fd->field_holder()); |
duke@435 | 841 | Handle type = new_type(signature, holder, CHECK_NULL); |
duke@435 | 842 | Handle rh = java_lang_reflect_Field::create(CHECK_NULL); |
duke@435 | 843 | |
coleenp@4251 | 844 | java_lang_reflect_Field::set_clazz(rh(), fd->field_holder()->java_mirror()); |
duke@435 | 845 | java_lang_reflect_Field::set_slot(rh(), fd->index()); |
duke@435 | 846 | java_lang_reflect_Field::set_name(rh(), name()); |
duke@435 | 847 | java_lang_reflect_Field::set_type(rh(), type()); |
duke@435 | 848 | // Note the ACC_ANNOTATION bit, which is a per-class access flag, is never set here. |
duke@435 | 849 | java_lang_reflect_Field::set_modifiers(rh(), fd->access_flags().as_int() & JVM_RECOGNIZED_FIELD_MODIFIERS); |
duke@435 | 850 | java_lang_reflect_Field::set_override(rh(), false); |
duke@435 | 851 | if (java_lang_reflect_Field::has_signature_field() && |
jiangli@3879 | 852 | fd->has_generic_signature()) { |
coleenp@2497 | 853 | Symbol* gs = fd->generic_signature(); |
duke@435 | 854 | Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
duke@435 | 855 | java_lang_reflect_Field::set_signature(rh(), sig()); |
duke@435 | 856 | } |
duke@435 | 857 | if (java_lang_reflect_Field::has_annotations_field()) { |
coleenp@4037 | 858 | typeArrayOop an_oop = Annotations::make_java_array(fd->annotations(), CHECK_NULL); |
coleenp@4037 | 859 | java_lang_reflect_Field::set_annotations(rh(), an_oop); |
duke@435 | 860 | } |
stefank@4393 | 861 | if (java_lang_reflect_Field::has_type_annotations_field()) { |
stefank@4393 | 862 | typeArrayOop an_oop = Annotations::make_java_array(fd->type_annotations(), CHECK_NULL); |
stefank@4393 | 863 | java_lang_reflect_Field::set_type_annotations(rh(), an_oop); |
stefank@4393 | 864 | } |
duke@435 | 865 | return rh(); |
duke@435 | 866 | } |
duke@435 | 867 | |
coleenp@4398 | 868 | oop Reflection::new_parameter(Handle method, int index, Symbol* sym, |
coleenp@4398 | 869 | int flags, TRAPS) { |
coleenp@4431 | 870 | Handle name; |
coleenp@4431 | 871 | |
coleenp@4431 | 872 | // A null symbol here translates to the empty string |
coleenp@4431 | 873 | if(NULL != sym) { |
coleenp@4431 | 874 | name = java_lang_String::create_from_symbol(sym, CHECK_NULL); |
coleenp@4431 | 875 | } else { |
coleenp@4431 | 876 | name = java_lang_String::create_from_str("", CHECK_NULL); |
coleenp@4431 | 877 | } |
coleenp@4431 | 878 | |
coleenp@4398 | 879 | Handle rh = java_lang_reflect_Parameter::create(CHECK_NULL); |
coleenp@4398 | 880 | java_lang_reflect_Parameter::set_name(rh(), name()); |
coleenp@4398 | 881 | java_lang_reflect_Parameter::set_modifiers(rh(), flags); |
coleenp@4398 | 882 | java_lang_reflect_Parameter::set_executable(rh(), method()); |
coleenp@4398 | 883 | java_lang_reflect_Parameter::set_index(rh(), index); |
coleenp@4398 | 884 | return rh(); |
coleenp@4398 | 885 | } |
coleenp@4398 | 886 | |
duke@435 | 887 | |
duke@435 | 888 | methodHandle Reflection::resolve_interface_call(instanceKlassHandle klass, methodHandle method, |
duke@435 | 889 | KlassHandle recv_klass, Handle receiver, TRAPS) { |
duke@435 | 890 | assert(!method.is_null() , "method should not be null"); |
duke@435 | 891 | |
duke@435 | 892 | CallInfo info; |
coleenp@2497 | 893 | Symbol* signature = method->signature(); |
coleenp@2497 | 894 | Symbol* name = method->name(); |
duke@435 | 895 | LinkResolver::resolve_interface_call(info, receiver, recv_klass, klass, |
duke@435 | 896 | name, signature, |
duke@435 | 897 | KlassHandle(), false, true, |
duke@435 | 898 | CHECK_(methodHandle())); |
duke@435 | 899 | return info.selected_method(); |
duke@435 | 900 | } |
duke@435 | 901 | |
duke@435 | 902 | |
duke@435 | 903 | oop Reflection::invoke(instanceKlassHandle klass, methodHandle reflected_method, |
duke@435 | 904 | Handle receiver, bool override, objArrayHandle ptypes, |
duke@435 | 905 | BasicType rtype, objArrayHandle args, bool is_method_invoke, TRAPS) { |
duke@435 | 906 | ResourceMark rm(THREAD); |
duke@435 | 907 | |
duke@435 | 908 | methodHandle method; // actual method to invoke |
duke@435 | 909 | KlassHandle target_klass; // target klass, receiver's klass for non-static |
duke@435 | 910 | |
duke@435 | 911 | // Ensure klass is initialized |
duke@435 | 912 | klass->initialize(CHECK_NULL); |
duke@435 | 913 | |
duke@435 | 914 | bool is_static = reflected_method->is_static(); |
duke@435 | 915 | if (is_static) { |
duke@435 | 916 | // ignore receiver argument |
duke@435 | 917 | method = reflected_method; |
duke@435 | 918 | target_klass = klass; |
duke@435 | 919 | } else { |
duke@435 | 920 | // check for null receiver |
duke@435 | 921 | if (receiver.is_null()) { |
duke@435 | 922 | THROW_0(vmSymbols::java_lang_NullPointerException()); |
duke@435 | 923 | } |
duke@435 | 924 | // Check class of receiver against class declaring method |
duke@435 | 925 | if (!receiver->is_a(klass())) { |
duke@435 | 926 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "object is not an instance of declaring class"); |
duke@435 | 927 | } |
duke@435 | 928 | // target klass is receiver's klass |
duke@435 | 929 | target_klass = KlassHandle(THREAD, receiver->klass()); |
duke@435 | 930 | // no need to resolve if method is private or <init> |
duke@435 | 931 | if (reflected_method->is_private() || reflected_method->name() == vmSymbols::object_initializer_name()) { |
duke@435 | 932 | method = reflected_method; |
duke@435 | 933 | } else { |
duke@435 | 934 | // resolve based on the receiver |
coleenp@4251 | 935 | if (reflected_method->method_holder()->is_interface()) { |
duke@435 | 936 | // resolve interface call |
duke@435 | 937 | if (ReflectionWrapResolutionErrors) { |
duke@435 | 938 | // new default: 6531596 |
duke@435 | 939 | // Match resolution errors with those thrown due to reflection inlining |
duke@435 | 940 | // Linktime resolution & IllegalAccessCheck already done by Class.getMethod() |
duke@435 | 941 | method = resolve_interface_call(klass, reflected_method, target_klass, receiver, THREAD); |
duke@435 | 942 | if (HAS_PENDING_EXCEPTION) { |
duke@435 | 943 | // Method resolution threw an exception; wrap it in an InvocationTargetException |
duke@435 | 944 | oop resolution_exception = PENDING_EXCEPTION; |
duke@435 | 945 | CLEAR_PENDING_EXCEPTION; |
jbachorik@7812 | 946 | // JVMTI has already reported the pending exception |
jbachorik@7812 | 947 | // JVMTI internal flag reset is needed in order to report InvocationTargetException |
jbachorik@7812 | 948 | if (THREAD->is_Java_thread()) { |
jbachorik@7812 | 949 | JvmtiExport::clear_detected_exception((JavaThread*) THREAD); |
jbachorik@7812 | 950 | } |
duke@435 | 951 | JavaCallArguments args(Handle(THREAD, resolution_exception)); |
coleenp@2497 | 952 | THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
coleenp@2497 | 953 | vmSymbols::throwable_void_signature(), |
duke@435 | 954 | &args); |
duke@435 | 955 | } |
duke@435 | 956 | } else { |
duke@435 | 957 | method = resolve_interface_call(klass, reflected_method, target_klass, receiver, CHECK_(NULL)); |
duke@435 | 958 | } |
duke@435 | 959 | } else { |
duke@435 | 960 | // if the method can be overridden, we resolve using the vtable index. |
drchase@5732 | 961 | assert(!reflected_method->has_itable_index(), ""); |
drchase@5732 | 962 | int index = reflected_method->vtable_index(); |
duke@435 | 963 | method = reflected_method; |
coleenp@4037 | 964 | if (index != Method::nonvirtual_vtable_index) { |
duke@435 | 965 | // target_klass might be an arrayKlassOop but all vtables start at |
duke@435 | 966 | // the same place. The cast is to avoid virtual call and assertion. |
coleenp@4037 | 967 | InstanceKlass* inst = (InstanceKlass*)target_klass(); |
duke@435 | 968 | method = methodHandle(THREAD, inst->method_at_vtable(index)); |
duke@435 | 969 | } |
duke@435 | 970 | if (!method.is_null()) { |
duke@435 | 971 | // Check for abstract methods as well |
duke@435 | 972 | if (method->is_abstract()) { |
duke@435 | 973 | // new default: 6531596 |
duke@435 | 974 | if (ReflectionWrapResolutionErrors) { |
duke@435 | 975 | ResourceMark rm(THREAD); |
duke@435 | 976 | Handle h_origexception = Exceptions::new_exception(THREAD, |
duke@435 | 977 | vmSymbols::java_lang_AbstractMethodError(), |
hseigel@4278 | 978 | Method::name_and_sig_as_C_string(target_klass(), |
duke@435 | 979 | method->name(), |
duke@435 | 980 | method->signature())); |
duke@435 | 981 | JavaCallArguments args(h_origexception); |
coleenp@2497 | 982 | THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
coleenp@2497 | 983 | vmSymbols::throwable_void_signature(), |
duke@435 | 984 | &args); |
duke@435 | 985 | } else { |
duke@435 | 986 | ResourceMark rm(THREAD); |
duke@435 | 987 | THROW_MSG_0(vmSymbols::java_lang_AbstractMethodError(), |
hseigel@4278 | 988 | Method::name_and_sig_as_C_string(target_klass(), |
duke@435 | 989 | method->name(), |
duke@435 | 990 | method->signature())); |
duke@435 | 991 | } |
duke@435 | 992 | } |
duke@435 | 993 | } |
duke@435 | 994 | } |
duke@435 | 995 | } |
duke@435 | 996 | } |
duke@435 | 997 | |
duke@435 | 998 | // I believe this is a ShouldNotGetHere case which requires |
duke@435 | 999 | // an internal vtable bug. If you ever get this please let Karen know. |
duke@435 | 1000 | if (method.is_null()) { |
duke@435 | 1001 | ResourceMark rm(THREAD); |
duke@435 | 1002 | THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), |
hseigel@4278 | 1003 | Method::name_and_sig_as_C_string(klass(), |
duke@435 | 1004 | reflected_method->name(), |
duke@435 | 1005 | reflected_method->signature())); |
duke@435 | 1006 | } |
duke@435 | 1007 | |
duke@435 | 1008 | // In the JDK 1.4 reflection implementation, the security check is |
duke@435 | 1009 | // done at the Java level |
duke@435 | 1010 | if (!(JDK_Version::is_gte_jdk14x_version() && UseNewReflection)) { |
duke@435 | 1011 | |
duke@435 | 1012 | // Access checking (unless overridden by Method) |
duke@435 | 1013 | if (!override) { |
duke@435 | 1014 | if (!(klass->is_public() && reflected_method->is_public())) { |
duke@435 | 1015 | bool access = Reflection::reflect_check_access(klass(), reflected_method->access_flags(), target_klass(), is_method_invoke, CHECK_NULL); |
duke@435 | 1016 | if (!access) { |
duke@435 | 1017 | return NULL; // exception |
duke@435 | 1018 | } |
duke@435 | 1019 | } |
duke@435 | 1020 | } |
duke@435 | 1021 | |
duke@435 | 1022 | } // !(Universe::is_gte_jdk14x_version() && UseNewReflection) |
duke@435 | 1023 | |
duke@435 | 1024 | assert(ptypes->is_objArray(), "just checking"); |
duke@435 | 1025 | int args_len = args.is_null() ? 0 : args->length(); |
duke@435 | 1026 | // Check number of arguments |
duke@435 | 1027 | if (ptypes->length() != args_len) { |
duke@435 | 1028 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "wrong number of arguments"); |
duke@435 | 1029 | } |
duke@435 | 1030 | |
duke@435 | 1031 | // Create object to contain parameters for the JavaCall |
duke@435 | 1032 | JavaCallArguments java_args(method->size_of_parameters()); |
duke@435 | 1033 | |
duke@435 | 1034 | if (!is_static) { |
duke@435 | 1035 | java_args.push_oop(receiver); |
duke@435 | 1036 | } |
duke@435 | 1037 | |
duke@435 | 1038 | for (int i = 0; i < args_len; i++) { |
duke@435 | 1039 | oop type_mirror = ptypes->obj_at(i); |
duke@435 | 1040 | oop arg = args->obj_at(i); |
duke@435 | 1041 | if (java_lang_Class::is_primitive(type_mirror)) { |
duke@435 | 1042 | jvalue value; |
duke@435 | 1043 | BasicType ptype = basic_type_mirror_to_basic_type(type_mirror, CHECK_NULL); |
duke@435 | 1044 | BasicType atype = unbox_for_primitive(arg, &value, CHECK_NULL); |
duke@435 | 1045 | if (ptype != atype) { |
duke@435 | 1046 | widen(&value, atype, ptype, CHECK_NULL); |
duke@435 | 1047 | } |
duke@435 | 1048 | switch (ptype) { |
duke@435 | 1049 | case T_BOOLEAN: java_args.push_int(value.z); break; |
duke@435 | 1050 | case T_CHAR: java_args.push_int(value.c); break; |
duke@435 | 1051 | case T_BYTE: java_args.push_int(value.b); break; |
duke@435 | 1052 | case T_SHORT: java_args.push_int(value.s); break; |
duke@435 | 1053 | case T_INT: java_args.push_int(value.i); break; |
duke@435 | 1054 | case T_LONG: java_args.push_long(value.j); break; |
duke@435 | 1055 | case T_FLOAT: java_args.push_float(value.f); break; |
duke@435 | 1056 | case T_DOUBLE: java_args.push_double(value.d); break; |
duke@435 | 1057 | default: |
duke@435 | 1058 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
duke@435 | 1059 | } |
duke@435 | 1060 | } else { |
duke@435 | 1061 | if (arg != NULL) { |
coleenp@4037 | 1062 | Klass* k = java_lang_Class::as_Klass(type_mirror); |
duke@435 | 1063 | if (!arg->is_a(k)) { |
duke@435 | 1064 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
duke@435 | 1065 | } |
duke@435 | 1066 | } |
duke@435 | 1067 | Handle arg_handle(THREAD, arg); // Create handle for argument |
duke@435 | 1068 | java_args.push_oop(arg_handle); // Push handle |
duke@435 | 1069 | } |
duke@435 | 1070 | } |
duke@435 | 1071 | |
duke@435 | 1072 | assert(java_args.size_of_parameters() == method->size_of_parameters(), "just checking"); |
duke@435 | 1073 | |
duke@435 | 1074 | // All oops (including receiver) is passed in as Handles. An potential oop is returned as an |
duke@435 | 1075 | // oop (i.e., NOT as an handle) |
duke@435 | 1076 | JavaValue result(rtype); |
duke@435 | 1077 | JavaCalls::call(&result, method, &java_args, THREAD); |
duke@435 | 1078 | |
duke@435 | 1079 | if (HAS_PENDING_EXCEPTION) { |
duke@435 | 1080 | // Method threw an exception; wrap it in an InvocationTargetException |
duke@435 | 1081 | oop target_exception = PENDING_EXCEPTION; |
duke@435 | 1082 | CLEAR_PENDING_EXCEPTION; |
jbachorik@7812 | 1083 | // JVMTI has already reported the pending exception |
jbachorik@7812 | 1084 | // JVMTI internal flag reset is needed in order to report InvocationTargetException |
jbachorik@7812 | 1085 | if (THREAD->is_Java_thread()) { |
jbachorik@7812 | 1086 | JvmtiExport::clear_detected_exception((JavaThread*) THREAD); |
jbachorik@7812 | 1087 | } |
jbachorik@7812 | 1088 | |
duke@435 | 1089 | JavaCallArguments args(Handle(THREAD, target_exception)); |
coleenp@2497 | 1090 | THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
coleenp@2497 | 1091 | vmSymbols::throwable_void_signature(), |
duke@435 | 1092 | &args); |
duke@435 | 1093 | } else { |
duke@435 | 1094 | if (rtype == T_BOOLEAN || rtype == T_BYTE || rtype == T_CHAR || rtype == T_SHORT) |
duke@435 | 1095 | narrow((jvalue*) result.get_value_addr(), rtype, CHECK_NULL); |
duke@435 | 1096 | return box((jvalue*) result.get_value_addr(), rtype, CHECK_NULL); |
duke@435 | 1097 | } |
duke@435 | 1098 | } |
duke@435 | 1099 | |
duke@435 | 1100 | |
duke@435 | 1101 | void Reflection::narrow(jvalue* value, BasicType narrow_type, TRAPS) { |
duke@435 | 1102 | switch (narrow_type) { |
duke@435 | 1103 | case T_BOOLEAN: |
kevinw@8368 | 1104 | value->z = (jboolean) (value->i & 1); |
duke@435 | 1105 | return; |
duke@435 | 1106 | case T_BYTE: |
duke@435 | 1107 | value->b = (jbyte) value->i; |
duke@435 | 1108 | return; |
duke@435 | 1109 | case T_CHAR: |
duke@435 | 1110 | value->c = (jchar) value->i; |
duke@435 | 1111 | return; |
duke@435 | 1112 | case T_SHORT: |
duke@435 | 1113 | value->s = (jshort) value->i; |
duke@435 | 1114 | return; |
duke@435 | 1115 | default: |
duke@435 | 1116 | break; // fail |
duke@435 | 1117 | } |
duke@435 | 1118 | THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
duke@435 | 1119 | } |
duke@435 | 1120 | |
duke@435 | 1121 | |
duke@435 | 1122 | BasicType Reflection::basic_type_mirror_to_basic_type(oop basic_type_mirror, TRAPS) { |
duke@435 | 1123 | assert(java_lang_Class::is_primitive(basic_type_mirror), "just checking"); |
duke@435 | 1124 | return java_lang_Class::primitive_type(basic_type_mirror); |
duke@435 | 1125 | } |
duke@435 | 1126 | |
duke@435 | 1127 | // This would be nicer if, say, java.lang.reflect.Method was a subclass |
duke@435 | 1128 | // of java.lang.reflect.Constructor |
duke@435 | 1129 | |
duke@435 | 1130 | oop Reflection::invoke_method(oop method_mirror, Handle receiver, objArrayHandle args, TRAPS) { |
duke@435 | 1131 | oop mirror = java_lang_reflect_Method::clazz(method_mirror); |
duke@435 | 1132 | int slot = java_lang_reflect_Method::slot(method_mirror); |
duke@435 | 1133 | bool override = java_lang_reflect_Method::override(method_mirror) != 0; |
duke@435 | 1134 | objArrayHandle ptypes(THREAD, objArrayOop(java_lang_reflect_Method::parameter_types(method_mirror))); |
duke@435 | 1135 | |
duke@435 | 1136 | oop return_type_mirror = java_lang_reflect_Method::return_type(method_mirror); |
duke@435 | 1137 | BasicType rtype; |
duke@435 | 1138 | if (java_lang_Class::is_primitive(return_type_mirror)) { |
duke@435 | 1139 | rtype = basic_type_mirror_to_basic_type(return_type_mirror, CHECK_NULL); |
duke@435 | 1140 | } else { |
duke@435 | 1141 | rtype = T_OBJECT; |
duke@435 | 1142 | } |
duke@435 | 1143 | |
coleenp@4037 | 1144 | instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(mirror)); |
coleenp@4037 | 1145 | Method* m = klass->method_with_idnum(slot); |
dcubed@486 | 1146 | if (m == NULL) { |
duke@435 | 1147 | THROW_MSG_0(vmSymbols::java_lang_InternalError(), "invoke"); |
duke@435 | 1148 | } |
dcubed@486 | 1149 | methodHandle method(THREAD, m); |
duke@435 | 1150 | |
duke@435 | 1151 | return invoke(klass, method, receiver, override, ptypes, rtype, args, true, THREAD); |
duke@435 | 1152 | } |
duke@435 | 1153 | |
duke@435 | 1154 | |
duke@435 | 1155 | oop Reflection::invoke_constructor(oop constructor_mirror, objArrayHandle args, TRAPS) { |
duke@435 | 1156 | oop mirror = java_lang_reflect_Constructor::clazz(constructor_mirror); |
duke@435 | 1157 | int slot = java_lang_reflect_Constructor::slot(constructor_mirror); |
duke@435 | 1158 | bool override = java_lang_reflect_Constructor::override(constructor_mirror) != 0; |
duke@435 | 1159 | objArrayHandle ptypes(THREAD, objArrayOop(java_lang_reflect_Constructor::parameter_types(constructor_mirror))); |
duke@435 | 1160 | |
coleenp@4037 | 1161 | instanceKlassHandle klass(THREAD, java_lang_Class::as_Klass(mirror)); |
coleenp@4037 | 1162 | Method* m = klass->method_with_idnum(slot); |
dcubed@486 | 1163 | if (m == NULL) { |
duke@435 | 1164 | THROW_MSG_0(vmSymbols::java_lang_InternalError(), "invoke"); |
duke@435 | 1165 | } |
dcubed@486 | 1166 | methodHandle method(THREAD, m); |
duke@435 | 1167 | assert(method->name() == vmSymbols::object_initializer_name(), "invalid constructor"); |
duke@435 | 1168 | |
duke@435 | 1169 | // Make sure klass gets initialize |
duke@435 | 1170 | klass->initialize(CHECK_NULL); |
duke@435 | 1171 | |
duke@435 | 1172 | // Create new instance (the receiver) |
duke@435 | 1173 | klass->check_valid_for_instantiation(false, CHECK_NULL); |
duke@435 | 1174 | Handle receiver = klass->allocate_instance_handle(CHECK_NULL); |
duke@435 | 1175 | |
duke@435 | 1176 | // Ignore result from call and return receiver |
duke@435 | 1177 | invoke(klass, method, receiver, override, ptypes, T_VOID, args, false, CHECK_NULL); |
duke@435 | 1178 | return receiver(); |
duke@435 | 1179 | } |