| File: | jdk/src/hotspot/share/runtime/reflection.cpp |
| Warning: | line 975, column 5 Value stored to 'target_klass' is never read |
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| 1 | /* |
| 2 | * Copyright (c) 1997, 2021, Oracle and/or its affiliates. All rights reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 | * or visit www.oracle.com if you need additional information or have any |
| 21 | * questions. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #include "precompiled.hpp" |
| 26 | #include "jvm.h" |
| 27 | #include "classfile/javaClasses.inline.hpp" |
| 28 | #include "classfile/moduleEntry.hpp" |
| 29 | #include "classfile/packageEntry.hpp" |
| 30 | #include "classfile/stringTable.hpp" |
| 31 | #include "classfile/verifier.hpp" |
| 32 | #include "classfile/vmClasses.hpp" |
| 33 | #include "classfile/vmSymbols.hpp" |
| 34 | #include "interpreter/linkResolver.hpp" |
| 35 | #include "logging/log.hpp" |
| 36 | #include "memory/oopFactory.hpp" |
| 37 | #include "memory/resourceArea.hpp" |
| 38 | #include "memory/universe.hpp" |
| 39 | #include "oops/instanceKlass.inline.hpp" |
| 40 | #include "oops/klass.inline.hpp" |
| 41 | #include "oops/objArrayKlass.hpp" |
| 42 | #include "oops/objArrayOop.inline.hpp" |
| 43 | #include "oops/oop.inline.hpp" |
| 44 | #include "oops/typeArrayOop.inline.hpp" |
| 45 | #include "prims/jvmtiExport.hpp" |
| 46 | #include "runtime/fieldDescriptor.inline.hpp" |
| 47 | #include "runtime/handles.inline.hpp" |
| 48 | #include "runtime/javaCalls.hpp" |
| 49 | #include "runtime/reflection.hpp" |
| 50 | #include "runtime/reflectionUtils.hpp" |
| 51 | #include "runtime/signature.hpp" |
| 52 | #include "runtime/thread.inline.hpp" |
| 53 | #include "runtime/vframe.inline.hpp" |
| 54 | #include "utilities/formatBuffer.hpp" |
| 55 | |
| 56 | static void trace_class_resolution(oop mirror) { |
| 57 | if (mirror == NULL__null || java_lang_Class::is_primitive(mirror)) { |
| 58 | return; |
| 59 | } |
| 60 | Klass* to_class = java_lang_Class::as_Klass(mirror); |
| 61 | ResourceMark rm; |
| 62 | int line_number = -1; |
| 63 | const char * source_file = NULL__null; |
| 64 | Klass* caller = NULL__null; |
| 65 | JavaThread* jthread = JavaThread::current(); |
| 66 | if (jthread->has_last_Java_frame()) { |
| 67 | vframeStream vfst(jthread); |
| 68 | // skip over any frames belonging to java.lang.Class |
| 69 | while (!vfst.at_end() && |
| 70 | vfst.method()->method_holder()->name() == vmSymbols::java_lang_Class()) { |
| 71 | vfst.next(); |
| 72 | } |
| 73 | if (!vfst.at_end()) { |
| 74 | // this frame is a likely suspect |
| 75 | caller = vfst.method()->method_holder(); |
| 76 | line_number = vfst.method()->line_number_from_bci(vfst.bci()); |
| 77 | Symbol* s = vfst.method()->method_holder()->source_file_name(); |
| 78 | if (s != NULL__null) { |
| 79 | source_file = s->as_C_string(); |
| 80 | } |
| 81 | } |
| 82 | } |
| 83 | if (caller != NULL__null) { |
| 84 | const char * from = caller->external_name(); |
| 85 | const char * to = to_class->external_name(); |
| 86 | // print in a single call to reduce interleaving between threads |
| 87 | if (source_file != NULL__null) { |
| 88 | log_debug(class, resolve)(!(LogImpl<(LogTag::_class), (LogTag::_resolve), (LogTag:: __NO_TAG), (LogTag::__NO_TAG), (LogTag::__NO_TAG), (LogTag::__NO_TAG )>::is_level(LogLevel::Debug))) ? (void)0 : LogImpl<(LogTag ::_class), (LogTag::_resolve), (LogTag::__NO_TAG), (LogTag::__NO_TAG ), (LogTag::__NO_TAG), (LogTag::__NO_TAG)>::write<LogLevel ::Debug>("%s %s %s:%d (reflection)", from, to, source_file, line_number); |
| 89 | } else { |
| 90 | log_debug(class, resolve)(!(LogImpl<(LogTag::_class), (LogTag::_resolve), (LogTag:: __NO_TAG), (LogTag::__NO_TAG), (LogTag::__NO_TAG), (LogTag::__NO_TAG )>::is_level(LogLevel::Debug))) ? (void)0 : LogImpl<(LogTag ::_class), (LogTag::_resolve), (LogTag::__NO_TAG), (LogTag::__NO_TAG ), (LogTag::__NO_TAG), (LogTag::__NO_TAG)>::write<LogLevel ::Debug>("%s %s (reflection)", from, to); |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | |
| 96 | oop Reflection::box(jvalue* value, BasicType type, TRAPSJavaThread* __the_thread__) { |
| 97 | if (type == T_VOID) { |
| 98 | return NULL__null; |
| 99 | } |
| 100 | if (is_reference_type(type)) { |
| 101 | // regular objects are not boxed |
| 102 | return cast_to_oop(value->l); |
| 103 | } |
| 104 | oop result = java_lang_boxing_object::create(type, value, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 105 | if (result == NULL__null) { |
| 106 | THROW_(vmSymbols::java_lang_IllegalArgumentException(), result){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 106, vmSymbols::java_lang_IllegalArgumentException(), __null ); return result; }; |
| 107 | } |
| 108 | return result; |
| 109 | } |
| 110 | |
| 111 | |
| 112 | BasicType Reflection::unbox_for_primitive(oop box, jvalue* value, TRAPSJavaThread* __the_thread__) { |
| 113 | if (box == NULL__null) { |
| 114 | THROW_(vmSymbols::java_lang_IllegalArgumentException(), T_ILLEGAL){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 114, vmSymbols::java_lang_IllegalArgumentException(), __null ); return T_ILLEGAL; }; |
| 115 | } |
| 116 | return java_lang_boxing_object::get_value(box, value); |
| 117 | } |
| 118 | |
| 119 | BasicType Reflection::unbox_for_regular_object(oop box, jvalue* value) { |
| 120 | // Note: box is really the unboxed oop. It might even be a Short, etc.! |
| 121 | value->l = cast_from_oop<jobject>(box); |
| 122 | return T_OBJECT; |
| 123 | } |
| 124 | |
| 125 | |
| 126 | void Reflection::widen(jvalue* value, BasicType current_type, BasicType wide_type, TRAPSJavaThread* __the_thread__) { |
| 127 | assert(wide_type != current_type, "widen should not be called with identical types")do { if (!(wide_type != current_type)) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 127, "assert(" "wide_type != current_type" ") failed", "widen should not be called with identical types" ); ::breakpoint(); } } while (0); |
| 128 | switch (wide_type) { |
| 129 | case T_BOOLEAN: |
| 130 | case T_BYTE: |
| 131 | case T_CHAR: |
| 132 | break; // fail |
| 133 | case T_SHORT: |
| 134 | switch (current_type) { |
| 135 | case T_BYTE: |
| 136 | value->s = (jshort) value->b; |
| 137 | return; |
| 138 | default: |
| 139 | break; |
| 140 | } |
| 141 | break; // fail |
| 142 | case T_INT: |
| 143 | switch (current_type) { |
| 144 | case T_BYTE: |
| 145 | value->i = (jint) value->b; |
| 146 | return; |
| 147 | case T_CHAR: |
| 148 | value->i = (jint) value->c; |
| 149 | return; |
| 150 | case T_SHORT: |
| 151 | value->i = (jint) value->s; |
| 152 | return; |
| 153 | default: |
| 154 | break; |
| 155 | } |
| 156 | break; // fail |
| 157 | case T_LONG: |
| 158 | switch (current_type) { |
| 159 | case T_BYTE: |
| 160 | value->j = (jlong) value->b; |
| 161 | return; |
| 162 | case T_CHAR: |
| 163 | value->j = (jlong) value->c; |
| 164 | return; |
| 165 | case T_SHORT: |
| 166 | value->j = (jlong) value->s; |
| 167 | return; |
| 168 | case T_INT: |
| 169 | value->j = (jlong) value->i; |
| 170 | return; |
| 171 | default: |
| 172 | break; |
| 173 | } |
| 174 | break; // fail |
| 175 | case T_FLOAT: |
| 176 | switch (current_type) { |
| 177 | case T_BYTE: |
| 178 | value->f = (jfloat) value->b; |
| 179 | return; |
| 180 | case T_CHAR: |
| 181 | value->f = (jfloat) value->c; |
| 182 | return; |
| 183 | case T_SHORT: |
| 184 | value->f = (jfloat) value->s; |
| 185 | return; |
| 186 | case T_INT: |
| 187 | value->f = (jfloat) value->i; |
| 188 | return; |
| 189 | case T_LONG: |
| 190 | value->f = (jfloat) value->j; |
| 191 | return; |
| 192 | default: |
| 193 | break; |
| 194 | } |
| 195 | break; // fail |
| 196 | case T_DOUBLE: |
| 197 | switch (current_type) { |
| 198 | case T_BYTE: |
| 199 | value->d = (jdouble) value->b; |
| 200 | return; |
| 201 | case T_CHAR: |
| 202 | value->d = (jdouble) value->c; |
| 203 | return; |
| 204 | case T_SHORT: |
| 205 | value->d = (jdouble) value->s; |
| 206 | return; |
| 207 | case T_INT: |
| 208 | value->d = (jdouble) value->i; |
| 209 | return; |
| 210 | case T_FLOAT: |
| 211 | value->d = (jdouble) value->f; |
| 212 | return; |
| 213 | case T_LONG: |
| 214 | value->d = (jdouble) value->j; |
| 215 | return; |
| 216 | default: |
| 217 | break; |
| 218 | } |
| 219 | break; // fail |
| 220 | default: |
| 221 | break; // fail |
| 222 | } |
| 223 | THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 223, vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch" ); return; }; |
| 224 | } |
| 225 | |
| 226 | |
| 227 | BasicType Reflection::array_get(jvalue* value, arrayOop a, int index, TRAPSJavaThread* __the_thread__) { |
| 228 | if (!a->is_within_bounds(index)) { |
| 229 | THROW_(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), T_ILLEGAL){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 229, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), __null); return T_ILLEGAL; }; |
| 230 | } |
| 231 | if (a->is_objArray()) { |
| 232 | value->l = cast_from_oop<jobject>(objArrayOop(a)->obj_at(index)); |
| 233 | return T_OBJECT; |
| 234 | } else { |
| 235 | assert(a->is_typeArray(), "just checking")do { if (!(a->is_typeArray())) { (*g_assert_poison) = 'X'; ; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 235, "assert(" "a->is_typeArray()" ") failed", "just checking" ); ::breakpoint(); } } while (0); |
| 236 | BasicType type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 237 | switch (type) { |
| 238 | case T_BOOLEAN: |
| 239 | value->z = typeArrayOop(a)->bool_at(index); |
| 240 | break; |
| 241 | case T_CHAR: |
| 242 | value->c = typeArrayOop(a)->char_at(index); |
| 243 | break; |
| 244 | case T_FLOAT: |
| 245 | value->f = typeArrayOop(a)->float_at(index); |
| 246 | break; |
| 247 | case T_DOUBLE: |
| 248 | value->d = typeArrayOop(a)->double_at(index); |
| 249 | break; |
| 250 | case T_BYTE: |
| 251 | value->b = typeArrayOop(a)->byte_at(index); |
| 252 | break; |
| 253 | case T_SHORT: |
| 254 | value->s = typeArrayOop(a)->short_at(index); |
| 255 | break; |
| 256 | case T_INT: |
| 257 | value->i = typeArrayOop(a)->int_at(index); |
| 258 | break; |
| 259 | case T_LONG: |
| 260 | value->j = typeArrayOop(a)->long_at(index); |
| 261 | break; |
| 262 | default: |
| 263 | return T_ILLEGAL; |
| 264 | } |
| 265 | return type; |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | |
| 270 | void Reflection::array_set(jvalue* value, arrayOop a, int index, BasicType value_type, TRAPSJavaThread* __the_thread__) { |
| 271 | if (!a->is_within_bounds(index)) { |
| 272 | THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 272, vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), __null); return; }; |
| 273 | } |
| 274 | if (a->is_objArray()) { |
| 275 | if (value_type == T_OBJECT) { |
| 276 | oop obj = cast_to_oop(value->l); |
| 277 | if (obj != NULL__null) { |
| 278 | Klass* element_klass = ObjArrayKlass::cast(a->klass())->element_klass(); |
| 279 | if (!obj->is_a(element_klass)) { |
| 280 | THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "array element type mismatch"){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 280, vmSymbols::java_lang_IllegalArgumentException(), "array element type mismatch" ); return; }; |
| 281 | } |
| 282 | } |
| 283 | objArrayOop(a)->obj_at_put(index, obj); |
| 284 | } |
| 285 | } else { |
| 286 | assert(a->is_typeArray(), "just checking")do { if (!(a->is_typeArray())) { (*g_assert_poison) = 'X'; ; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 286, "assert(" "a->is_typeArray()" ") failed", "just checking" ); ::breakpoint(); } } while (0); |
| 287 | BasicType array_type = TypeArrayKlass::cast(a->klass())->element_type(); |
| 288 | if (array_type != value_type) { |
| 289 | // The widen operation can potentially throw an exception, but cannot block, |
| 290 | // so typeArrayOop a is safe if the call succeeds. |
| 291 | widen(value, value_type, array_type, CHECK__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return ; (void)(0); |
| 292 | } |
| 293 | switch (array_type) { |
| 294 | case T_BOOLEAN: |
| 295 | typeArrayOop(a)->bool_at_put(index, value->z); |
| 296 | break; |
| 297 | case T_CHAR: |
| 298 | typeArrayOop(a)->char_at_put(index, value->c); |
| 299 | break; |
| 300 | case T_FLOAT: |
| 301 | typeArrayOop(a)->float_at_put(index, value->f); |
| 302 | break; |
| 303 | case T_DOUBLE: |
| 304 | typeArrayOop(a)->double_at_put(index, value->d); |
| 305 | break; |
| 306 | case T_BYTE: |
| 307 | typeArrayOop(a)->byte_at_put(index, value->b); |
| 308 | break; |
| 309 | case T_SHORT: |
| 310 | typeArrayOop(a)->short_at_put(index, value->s); |
| 311 | break; |
| 312 | case T_INT: |
| 313 | typeArrayOop(a)->int_at_put(index, value->i); |
| 314 | break; |
| 315 | case T_LONG: |
| 316 | typeArrayOop(a)->long_at_put(index, value->j); |
| 317 | break; |
| 318 | default: |
| 319 | THROW(vmSymbols::java_lang_IllegalArgumentException()){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 319, vmSymbols::java_lang_IllegalArgumentException(), __null ); return; }; |
| 320 | } |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | static Klass* basic_type_mirror_to_arrayklass(oop basic_type_mirror, TRAPSJavaThread* __the_thread__) { |
| 325 | assert(java_lang_Class::is_primitive(basic_type_mirror), "just checking")do { if (!(java_lang_Class::is_primitive(basic_type_mirror))) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 325, "assert(" "java_lang_Class::is_primitive(basic_type_mirror)" ") failed", "just checking"); ::breakpoint(); } } while (0); |
| 326 | BasicType type = java_lang_Class::primitive_type(basic_type_mirror); |
| 327 | if (type == T_VOID) { |
| 328 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 328, vmSymbols::java_lang_IllegalArgumentException(), __null ); return 0; }; |
| 329 | } |
| 330 | else { |
| 331 | return Universe::typeArrayKlassObj(type); |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | arrayOop Reflection::reflect_new_array(oop element_mirror, jint length, TRAPSJavaThread* __the_thread__) { |
| 336 | if (element_mirror == NULL__null) { |
| 337 | THROW_0(vmSymbols::java_lang_NullPointerException()){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 337, vmSymbols::java_lang_NullPointerException(), __null); return 0; }; |
| 338 | } |
| 339 | if (length < 0) { |
| 340 | THROW_MSG_0(vmSymbols::java_lang_NegativeArraySizeException(), err_msg("%d", length)){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 340, vmSymbols::java_lang_NegativeArraySizeException(), err_msg ("%d", length)); return 0; }; |
| 341 | } |
| 342 | if (java_lang_Class::is_primitive(element_mirror)) { |
| 343 | Klass* tak = basic_type_mirror_to_arrayklass(element_mirror, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 344 | return TypeArrayKlass::cast(tak)->allocate(length, THREAD__the_thread__); |
| 345 | } else { |
| 346 | Klass* k = java_lang_Class::as_Klass(element_mirror); |
| 347 | if (k->is_array_klass() && ArrayKlass::cast(k)->dimension() >= MAX_DIM) { |
| 348 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 348, vmSymbols::java_lang_IllegalArgumentException(), __null ); return 0; }; |
| 349 | } |
| 350 | return oopFactory::new_objArray(k, length, THREAD__the_thread__); |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | |
| 355 | arrayOop Reflection::reflect_new_multi_array(oop element_mirror, typeArrayOop dim_array, TRAPSJavaThread* __the_thread__) { |
| 356 | assert(dim_array->is_typeArray(), "just checking")do { if (!(dim_array->is_typeArray())) { (*g_assert_poison ) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 356, "assert(" "dim_array->is_typeArray()" ") failed", "just checking" ); ::breakpoint(); } } while (0); |
| 357 | assert(TypeArrayKlass::cast(dim_array->klass())->element_type() == T_INT, "just checking")do { if (!(TypeArrayKlass::cast(dim_array->klass())->element_type () == T_INT)) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 357, "assert(" "TypeArrayKlass::cast(dim_array->klass())->element_type() == T_INT" ") failed", "just checking"); ::breakpoint(); } } while (0); |
| 358 | |
| 359 | if (element_mirror == NULL__null) { |
| 360 | THROW_0(vmSymbols::java_lang_NullPointerException()){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 360, vmSymbols::java_lang_NullPointerException(), __null); return 0; }; |
| 361 | } |
| 362 | |
| 363 | int len = dim_array->length(); |
| 364 | if (len <= 0 || len > MAX_DIM) { |
| 365 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 365, vmSymbols::java_lang_IllegalArgumentException(), __null ); return 0; }; |
| 366 | } |
| 367 | |
| 368 | jint dimensions[MAX_DIM]; // C array copy of intArrayOop |
| 369 | for (int i = 0; i < len; i++) { |
| 370 | int d = dim_array->int_at(i); |
| 371 | if (d < 0) { |
| 372 | THROW_MSG_0(vmSymbols::java_lang_NegativeArraySizeException(), err_msg("%d", d)){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 372, vmSymbols::java_lang_NegativeArraySizeException(), err_msg ("%d", d)); return 0; }; |
| 373 | } |
| 374 | dimensions[i] = d; |
| 375 | } |
| 376 | |
| 377 | Klass* klass; |
| 378 | int dim = len; |
| 379 | if (java_lang_Class::is_primitive(element_mirror)) { |
| 380 | klass = basic_type_mirror_to_arrayklass(element_mirror, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 381 | } else { |
| 382 | klass = java_lang_Class::as_Klass(element_mirror); |
| 383 | if (klass->is_array_klass()) { |
| 384 | int k_dim = ArrayKlass::cast(klass)->dimension(); |
| 385 | if (k_dim + len > MAX_DIM) { |
| 386 | THROW_0(vmSymbols::java_lang_IllegalArgumentException()){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 386, vmSymbols::java_lang_IllegalArgumentException(), __null ); return 0; }; |
| 387 | } |
| 388 | dim += k_dim; |
| 389 | } |
| 390 | } |
| 391 | klass = klass->array_klass(dim, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 392 | oop obj = ArrayKlass::cast(klass)->multi_allocate(len, dimensions, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 393 | assert(obj->is_array(), "just checking")do { if (!(obj->is_array())) { (*g_assert_poison) = 'X';; report_vm_error ("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 393, "assert(" "obj->is_array()" ") failed", "just checking" ); ::breakpoint(); } } while (0); |
| 394 | return arrayOop(obj); |
| 395 | } |
| 396 | |
| 397 | |
| 398 | static bool can_relax_access_check_for(const Klass* accessor, |
| 399 | const Klass* accessee, |
| 400 | bool classloader_only) { |
| 401 | |
| 402 | const InstanceKlass* accessor_ik = InstanceKlass::cast(accessor); |
| 403 | const InstanceKlass* accessee_ik = InstanceKlass::cast(accessee); |
| 404 | |
| 405 | if (RelaxAccessControlCheck && |
| 406 | accessor_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION && |
| 407 | accessee_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION) { |
| 408 | return classloader_only && |
| 409 | Verifier::relax_access_for(accessor_ik->class_loader()) && |
| 410 | accessor_ik->protection_domain() == accessee_ik->protection_domain() && |
| 411 | accessor_ik->class_loader() == accessee_ik->class_loader(); |
| 412 | } |
| 413 | |
| 414 | return false; |
| 415 | } |
| 416 | |
| 417 | /* |
| 418 | Type Accessibility check for public types: Callee Type T is accessible to Caller Type S if: |
| 419 | |
| 420 | Callee T in Callee T in package PT, |
| 421 | unnamed module runtime module MT |
| 422 | ------------------------------------------------------------------------------------------------ |
| 423 | |
| 424 | Caller S in package If MS is loose: YES If same classloader/package (PS == PT): YES |
| 425 | PS, runtime module MS If MS can read T's If same runtime module: (MS == MT): YES |
| 426 | unnamed module: YES |
| 427 | Else if (MS can read MT (establish readability) && |
| 428 | ((MT exports PT to MS or to all modules) || |
| 429 | (MT is open))): YES |
| 430 | |
| 431 | ------------------------------------------------------------------------------------------------ |
| 432 | Caller S in unnamed YES Readability exists because unnamed module |
| 433 | module UM "reads" all modules |
| 434 | if (MT exports PT to UM or to all modules): YES |
| 435 | |
| 436 | ------------------------------------------------------------------------------------------------ |
| 437 | |
| 438 | Note: a loose module is a module that can read all current and future unnamed modules. |
| 439 | */ |
| 440 | Reflection::VerifyClassAccessResults Reflection::verify_class_access( |
| 441 | const Klass* current_class, const InstanceKlass* new_class, bool classloader_only) { |
| 442 | |
| 443 | // Verify that current_class can access new_class. If the classloader_only |
| 444 | // flag is set, we automatically allow any accesses in which current_class |
| 445 | // doesn't have a classloader. |
| 446 | if ((current_class == NULL__null) || |
| 447 | (current_class == new_class) || |
| 448 | is_same_class_package(current_class, new_class)) { |
| 449 | return ACCESS_OK; |
| 450 | } |
| 451 | // Allow all accesses from jdk/internal/reflect/MagicAccessorImpl subclasses to |
| 452 | // succeed trivially. |
| 453 | if (vmClasses::reflect_MagicAccessorImpl_klass_is_loaded() && |
| 454 | current_class->is_subclass_of(vmClasses::reflect_MagicAccessorImpl_klass())) { |
| 455 | return ACCESS_OK; |
| 456 | } |
| 457 | |
| 458 | // module boundaries |
| 459 | if (new_class->is_public()) { |
| 460 | // Ignore modules for DumpSharedSpaces because we do not have any package |
| 461 | // or module information for modules other than java.base. |
| 462 | if (DumpSharedSpaces) { |
| 463 | return ACCESS_OK; |
| 464 | } |
| 465 | |
| 466 | // Find the module entry for current_class, the accessor |
| 467 | ModuleEntry* module_from = current_class->module(); |
| 468 | // Find the module entry for new_class, the accessee |
| 469 | ModuleEntry* module_to = new_class->module(); |
| 470 | |
| 471 | // both in same (possibly unnamed) module |
| 472 | if (module_from == module_to) { |
| 473 | return ACCESS_OK; |
| 474 | } |
| 475 | |
| 476 | // Acceptable access to a type in an unnamed module. Note that since |
| 477 | // unnamed modules can read all unnamed modules, this also handles the |
| 478 | // case where module_from is also unnamed but in a different class loader. |
| 479 | if (!module_to->is_named() && |
| 480 | (module_from->can_read_all_unnamed() || module_from->can_read(module_to))) { |
| 481 | return ACCESS_OK; |
| 482 | } |
| 483 | |
| 484 | // Establish readability, check if module_from is allowed to read module_to. |
| 485 | if (!module_from->can_read(module_to)) { |
| 486 | return MODULE_NOT_READABLE; |
| 487 | } |
| 488 | |
| 489 | // Access is allowed if module_to is open, i.e. all its packages are unqualifiedly exported |
| 490 | if (module_to->is_open()) { |
| 491 | return ACCESS_OK; |
| 492 | } |
| 493 | |
| 494 | PackageEntry* package_to = new_class->package(); |
| 495 | assert(package_to != NULL, "can not obtain new_class' package")do { if (!(package_to != __null)) { (*g_assert_poison) = 'X'; ; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 495, "assert(" "package_to != __null" ") failed", "can not obtain new_class' package" ); ::breakpoint(); } } while (0); |
| 496 | |
| 497 | { |
| 498 | MutexLocker m1(Module_lock); |
| 499 | |
| 500 | // Once readability is established, if module_to exports T unqualifiedly, |
| 501 | // (to all modules), than whether module_from is in the unnamed module |
| 502 | // or not does not matter, access is allowed. |
| 503 | if (package_to->is_unqual_exported()) { |
| 504 | return ACCESS_OK; |
| 505 | } |
| 506 | |
| 507 | // Access is allowed if both 1 & 2 hold: |
| 508 | // 1. Readability, module_from can read module_to (established above). |
| 509 | // 2. Either module_to exports T to module_from qualifiedly. |
| 510 | // or |
| 511 | // module_to exports T to all unnamed modules and module_from is unnamed. |
| 512 | // or |
| 513 | // module_to exports T unqualifiedly to all modules (checked above). |
| 514 | if (!package_to->is_qexported_to(module_from)) { |
| 515 | return TYPE_NOT_EXPORTED; |
| 516 | } |
| 517 | } |
| 518 | return ACCESS_OK; |
| 519 | } |
| 520 | |
| 521 | if (can_relax_access_check_for(current_class, new_class, classloader_only)) { |
| 522 | return ACCESS_OK; |
| 523 | } |
| 524 | return OTHER_PROBLEM; |
| 525 | } |
| 526 | |
| 527 | // Return an error message specific to the specified Klass*'s and result. |
| 528 | // This function must be called from within a block containing a ResourceMark. |
| 529 | char* Reflection::verify_class_access_msg(const Klass* current_class, |
| 530 | const InstanceKlass* new_class, |
| 531 | const VerifyClassAccessResults result) { |
| 532 | assert(result != ACCESS_OK, "must be failure result")do { if (!(result != ACCESS_OK)) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 532, "assert(" "result != ACCESS_OK" ") failed", "must be failure result" ); ::breakpoint(); } } while (0); |
| 533 | char * msg = NULL__null; |
| 534 | if (result != OTHER_PROBLEM && new_class != NULL__null && current_class != NULL__null) { |
| 535 | // Find the module entry for current_class, the accessor |
| 536 | ModuleEntry* module_from = current_class->module(); |
| 537 | const char * module_from_name = module_from->is_named() ? module_from->name()->as_C_string() : UNNAMED_MODULE"unnamed module"; |
| 538 | const char * current_class_name = current_class->external_name(); |
| 539 | |
| 540 | // Find the module entry for new_class, the accessee |
| 541 | ModuleEntry* module_to = NULL__null; |
| 542 | module_to = new_class->module(); |
| 543 | const char * module_to_name = module_to->is_named() ? module_to->name()->as_C_string() : UNNAMED_MODULE"unnamed module"; |
| 544 | const char * new_class_name = new_class->external_name(); |
| 545 | |
| 546 | if (result == MODULE_NOT_READABLE) { |
| 547 | assert(module_from->is_named(), "Unnamed modules can read all modules")do { if (!(module_from->is_named())) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 547, "assert(" "module_from->is_named()" ") failed", "Unnamed modules can read all modules" ); ::breakpoint(); } } while (0); |
| 548 | if (module_to->is_named()) { |
| 549 | size_t len = 100 + strlen(current_class_name) + 2*strlen(module_from_name) + |
| 550 | strlen(new_class_name) + 2*strlen(module_to_name); |
| 551 | msg = NEW_RESOURCE_ARRAY(char, len)(char*) resource_allocate_bytes((len) * sizeof(char)); |
| 552 | jio_snprintf(msg, len - 1, |
| 553 | "class %s (in module %s) cannot access class %s (in module %s) because module %s does not read module %s", |
| 554 | current_class_name, module_from_name, new_class_name, |
| 555 | module_to_name, module_from_name, module_to_name); |
| 556 | } else { |
| 557 | oop jlm = module_to->module(); |
| 558 | assert(jlm != NULL, "Null jlm in module_to ModuleEntry")do { if (!(jlm != __null)) { (*g_assert_poison) = 'X';; report_vm_error ("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 558, "assert(" "jlm != __null" ") failed", "Null jlm in module_to ModuleEntry" ); ::breakpoint(); } } while (0); |
| 559 | intptr_t identity_hash = jlm->identity_hash(); |
| 560 | size_t len = 160 + strlen(current_class_name) + 2*strlen(module_from_name) + |
| 561 | strlen(new_class_name) + 2*sizeof(uintx); |
| 562 | msg = NEW_RESOURCE_ARRAY(char, len)(char*) resource_allocate_bytes((len) * sizeof(char)); |
| 563 | jio_snprintf(msg, len - 1, |
| 564 | "class %s (in module %s) cannot access class %s (in unnamed module @" SIZE_FORMAT_HEX"0x%" "l" "x" ") because module %s does not read unnamed module @" SIZE_FORMAT_HEX"0x%" "l" "x", |
| 565 | current_class_name, module_from_name, new_class_name, uintx(identity_hash), |
| 566 | module_from_name, uintx(identity_hash)); |
| 567 | } |
| 568 | |
| 569 | } else if (result == TYPE_NOT_EXPORTED) { |
| 570 | assert(new_class->package() != NULL,do { if (!(new_class->package() != __null)) { (*g_assert_poison ) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 571, "assert(" "new_class->package() != __null" ") failed" , "Unnamed packages are always exported"); ::breakpoint(); } } while (0) |
| 571 | "Unnamed packages are always exported")do { if (!(new_class->package() != __null)) { (*g_assert_poison ) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 571, "assert(" "new_class->package() != __null" ") failed" , "Unnamed packages are always exported"); ::breakpoint(); } } while (0); |
| 572 | const char * package_name = |
| 573 | new_class->package()->name()->as_klass_external_name(); |
| 574 | assert(module_to->is_named(), "Unnamed modules export all packages")do { if (!(module_to->is_named())) { (*g_assert_poison) = 'X' ;; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 574, "assert(" "module_to->is_named()" ") failed", "Unnamed modules export all packages" ); ::breakpoint(); } } while (0); |
| 575 | if (module_from->is_named()) { |
| 576 | size_t len = 118 + strlen(current_class_name) + 2*strlen(module_from_name) + |
| 577 | strlen(new_class_name) + 2*strlen(module_to_name) + strlen(package_name); |
| 578 | msg = NEW_RESOURCE_ARRAY(char, len)(char*) resource_allocate_bytes((len) * sizeof(char)); |
| 579 | jio_snprintf(msg, len - 1, |
| 580 | "class %s (in module %s) cannot access class %s (in module %s) because module %s does not export %s to module %s", |
| 581 | current_class_name, module_from_name, new_class_name, |
| 582 | module_to_name, module_to_name, package_name, module_from_name); |
| 583 | } else { |
| 584 | oop jlm = module_from->module(); |
| 585 | assert(jlm != NULL, "Null jlm in module_from ModuleEntry")do { if (!(jlm != __null)) { (*g_assert_poison) = 'X';; report_vm_error ("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 585, "assert(" "jlm != __null" ") failed", "Null jlm in module_from ModuleEntry" ); ::breakpoint(); } } while (0); |
| 586 | intptr_t identity_hash = jlm->identity_hash(); |
| 587 | size_t len = 170 + strlen(current_class_name) + strlen(new_class_name) + |
| 588 | 2*strlen(module_to_name) + strlen(package_name) + 2*sizeof(uintx); |
| 589 | msg = NEW_RESOURCE_ARRAY(char, len)(char*) resource_allocate_bytes((len) * sizeof(char)); |
| 590 | jio_snprintf(msg, len - 1, |
| 591 | "class %s (in unnamed module @" SIZE_FORMAT_HEX"0x%" "l" "x" ") cannot access class %s (in module %s) because module %s does not export %s to unnamed module @" SIZE_FORMAT_HEX"0x%" "l" "x", |
| 592 | current_class_name, uintx(identity_hash), new_class_name, module_to_name, |
| 593 | module_to_name, package_name, uintx(identity_hash)); |
| 594 | } |
| 595 | } else { |
| 596 | ShouldNotReachHere()do { (*g_assert_poison) = 'X';; report_should_not_reach_here( "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 596); ::breakpoint(); } while (0); |
| 597 | } |
| 598 | } // result != OTHER_PROBLEM... |
| 599 | return msg; |
| 600 | } |
| 601 | |
| 602 | bool Reflection::verify_member_access(const Klass* current_class, |
| 603 | const Klass* resolved_class, |
| 604 | const Klass* member_class, |
| 605 | AccessFlags access, |
| 606 | bool classloader_only, |
| 607 | bool protected_restriction, |
| 608 | TRAPSJavaThread* __the_thread__) { |
| 609 | // Verify that current_class can access a member of member_class, where that |
| 610 | // field's access bits are "access". We assume that we've already verified |
| 611 | // that current_class can access member_class. |
| 612 | // |
| 613 | // If the classloader_only flag is set, we automatically allow any accesses |
| 614 | // in which current_class doesn't have a classloader. |
| 615 | // |
| 616 | // "resolved_class" is the runtime type of "member_class". Sometimes we don't |
| 617 | // need this distinction (e.g. if all we have is the runtime type, or during |
| 618 | // class file parsing when we only care about the static type); in that case |
| 619 | // callers should ensure that resolved_class == member_class. |
| 620 | // |
| 621 | if ((current_class == NULL__null) || |
| 622 | (current_class == member_class) || |
| 623 | access.is_public()) { |
| 624 | return true; |
| 625 | } |
| 626 | |
| 627 | if (current_class == member_class) { |
| 628 | return true; |
| 629 | } |
| 630 | |
| 631 | if (access.is_protected()) { |
| 632 | if (!protected_restriction) { |
| 633 | // See if current_class (or outermost host class) is a subclass of member_class |
| 634 | // An interface may not access protected members of j.l.Object |
| 635 | if (!current_class->is_interface() && current_class->is_subclass_of(member_class)) { |
| 636 | if (access.is_static() || // static fields are ok, see 6622385 |
| 637 | current_class == resolved_class || |
| 638 | member_class == resolved_class || |
| 639 | current_class->is_subclass_of(resolved_class) || |
| 640 | resolved_class->is_subclass_of(current_class)) { |
| 641 | return true; |
| 642 | } |
| 643 | } |
| 644 | } |
| 645 | } |
| 646 | |
| 647 | // package access |
| 648 | if (!access.is_private() && is_same_class_package(current_class, member_class)) { |
| 649 | return true; |
| 650 | } |
| 651 | |
| 652 | // private access between different classes needs a nestmate check. |
| 653 | if (access.is_private()) { |
| 654 | if (current_class->is_instance_klass() && member_class->is_instance_klass() ) { |
| 655 | InstanceKlass* cur_ik = const_cast<InstanceKlass*>(InstanceKlass::cast(current_class)); |
| 656 | InstanceKlass* field_ik = const_cast<InstanceKlass*>(InstanceKlass::cast(member_class)); |
| 657 | // Nestmate access checks may require resolution and validation of the nest-host. |
| 658 | // It is up to the caller to check for pending exceptions and handle appropriately. |
| 659 | bool access = cur_ik->has_nestmate_access_to(field_ik, CHECK_false__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return false; (void)(0); |
| 660 | if (access) { |
| 661 | guarantee(resolved_class->is_subclass_of(member_class), "must be!")do { if (!(resolved_class->is_subclass_of(member_class))) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 661, "guarantee(" "resolved_class->is_subclass_of(member_class)" ") failed", "must be!"); ::breakpoint(); } } while (0); |
| 662 | return true; |
| 663 | } |
| 664 | } |
| 665 | } |
| 666 | |
| 667 | // Allow all accesses from jdk/internal/reflect/MagicAccessorImpl subclasses to |
| 668 | // succeed trivially. |
| 669 | if (current_class->is_subclass_of(vmClasses::reflect_MagicAccessorImpl_klass())) { |
| 670 | return true; |
| 671 | } |
| 672 | |
| 673 | // Check for special relaxations |
| 674 | return can_relax_access_check_for(current_class, member_class, classloader_only); |
| 675 | } |
| 676 | |
| 677 | bool Reflection::is_same_class_package(const Klass* class1, const Klass* class2) { |
| 678 | return InstanceKlass::cast(class1)->is_same_class_package(class2); |
| 679 | } |
| 680 | |
| 681 | // Checks that the 'outer' klass has declared 'inner' as being an inner klass. If not, |
| 682 | // throw an incompatible class change exception |
| 683 | // If inner_is_member, require the inner to be a member of the outer. |
| 684 | // If !inner_is_member, require the inner to be hidden (non-member). |
| 685 | // Caller is responsible for figuring out in advance which case must be true. |
| 686 | void Reflection::check_for_inner_class(const InstanceKlass* outer, const InstanceKlass* inner, |
| 687 | bool inner_is_member, TRAPSJavaThread* __the_thread__) { |
| 688 | InnerClassesIterator iter(outer); |
| 689 | constantPoolHandle cp (THREAD__the_thread__, outer->constants()); |
| 690 | for (; !iter.done(); iter.next()) { |
| 691 | int ioff = iter.inner_class_info_index(); |
| 692 | int ooff = iter.outer_class_info_index(); |
| 693 | |
| 694 | if (inner_is_member && ioff != 0 && ooff != 0) { |
| 695 | if (cp->klass_name_at_matches(outer, ooff) && |
| 696 | cp->klass_name_at_matches(inner, ioff)) { |
| 697 | Klass* o = cp->klass_at(ooff, CHECK__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return ; (void)(0); |
| 698 | if (o == outer) { |
| 699 | Klass* i = cp->klass_at(ioff, CHECK__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return ; (void)(0); |
| 700 | if (i == inner) { |
| 701 | return; |
| 702 | } |
| 703 | } |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | if (!inner_is_member && ioff != 0 && ooff == 0 && |
| 708 | cp->klass_name_at_matches(inner, ioff)) { |
| 709 | Klass* i = cp->klass_at(ioff, CHECK__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return ; (void)(0); |
| 710 | if (i == inner) { |
| 711 | return; |
| 712 | } |
| 713 | } |
| 714 | } |
| 715 | |
| 716 | // 'inner' not declared as an inner klass in outer |
| 717 | ResourceMark rm(THREAD__the_thread__); |
| 718 | Exceptions::fthrow( |
| 719 | THREAD_AND_LOCATION__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 719, |
| 720 | vmSymbols::java_lang_IncompatibleClassChangeError(), |
| 721 | "%s and %s disagree on InnerClasses attribute", |
| 722 | outer->external_name(), |
| 723 | inner->external_name() |
| 724 | ); |
| 725 | } |
| 726 | |
| 727 | static objArrayHandle get_parameter_types(const methodHandle& method, |
| 728 | int parameter_count, |
| 729 | oop* return_type, |
| 730 | TRAPSJavaThread* __the_thread__) { |
| 731 | // Allocate array holding parameter types (java.lang.Class instances) |
| 732 | objArrayOop m = oopFactory::new_objArray(vmClasses::Class_klass(), parameter_count, CHECK_(objArrayHandle())__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return objArrayHandle(); (void)(0); |
| 733 | objArrayHandle mirrors(THREAD__the_thread__, m); |
| 734 | int index = 0; |
| 735 | // Collect parameter types |
| 736 | ResourceMark rm(THREAD__the_thread__); |
| 737 | for (ResolvingSignatureStream ss(method()); !ss.is_done(); ss.next()) { |
| 738 | oop mirror = ss.as_java_mirror(SignatureStream::NCDFError, CHECK_(objArrayHandle())__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return objArrayHandle(); (void)(0); |
| 739 | if (log_is_enabled(Debug, class, resolve)(LogImpl<(LogTag::_class), (LogTag::_resolve), (LogTag::__NO_TAG ), (LogTag::__NO_TAG), (LogTag::__NO_TAG), (LogTag::__NO_TAG) >::is_level(LogLevel::Debug))) { |
| 740 | trace_class_resolution(mirror); |
| 741 | } |
| 742 | if (!ss.at_return_type()) { |
| 743 | mirrors->obj_at_put(index++, mirror); |
| 744 | } else if (return_type != NULL__null) { |
| 745 | // Collect return type as well |
| 746 | assert(ss.at_return_type(), "return type should be present")do { if (!(ss.at_return_type())) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 746, "assert(" "ss.at_return_type()" ") failed", "return type should be present" ); ::breakpoint(); } } while (0); |
| 747 | *return_type = mirror; |
| 748 | } |
| 749 | } |
| 750 | assert(index == parameter_count, "invalid parameter count")do { if (!(index == parameter_count)) { (*g_assert_poison) = 'X' ;; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 750, "assert(" "index == parameter_count" ") failed", "invalid parameter count" ); ::breakpoint(); } } while (0); |
| 751 | return mirrors; |
| 752 | } |
| 753 | |
| 754 | static objArrayHandle get_exception_types(const methodHandle& method, TRAPSJavaThread* __the_thread__) { |
| 755 | return method->resolved_checked_exceptions(THREAD__the_thread__); |
| 756 | } |
| 757 | |
| 758 | static Handle new_type(Symbol* signature, Klass* k, TRAPSJavaThread* __the_thread__) { |
| 759 | ResolvingSignatureStream ss(signature, k, false); |
| 760 | oop nt = ss.as_java_mirror(SignatureStream::NCDFError, CHECK_NH__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return Handle(); (void)(0); |
| 761 | if (log_is_enabled(Debug, class, resolve)(LogImpl<(LogTag::_class), (LogTag::_resolve), (LogTag::__NO_TAG ), (LogTag::__NO_TAG), (LogTag::__NO_TAG), (LogTag::__NO_TAG) >::is_level(LogLevel::Debug))) { |
| 762 | trace_class_resolution(nt); |
| 763 | } |
| 764 | return Handle(THREAD__the_thread__, nt); |
| 765 | } |
| 766 | |
| 767 | oop Reflection::new_method(const methodHandle& method, bool for_constant_pool_access, TRAPSJavaThread* __the_thread__) { |
| 768 | // Allow sun.reflect.ConstantPool to refer to <clinit> methods as java.lang.reflect.Methods. |
| 769 | assert(!method()->is_initializer() ||do { if (!(!method()->is_initializer() || (for_constant_pool_access && method()->is_static()))) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 771, "assert(" "!method()->is_initializer() || (for_constant_pool_access && method()->is_static())" ") failed", "should call new_constructor instead"); ::breakpoint (); } } while (0) |
| 770 | (for_constant_pool_access && method()->is_static()),do { if (!(!method()->is_initializer() || (for_constant_pool_access && method()->is_static()))) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 771, "assert(" "!method()->is_initializer() || (for_constant_pool_access && method()->is_static())" ") failed", "should call new_constructor instead"); ::breakpoint (); } } while (0) |
| 771 | "should call new_constructor instead")do { if (!(!method()->is_initializer() || (for_constant_pool_access && method()->is_static()))) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 771, "assert(" "!method()->is_initializer() || (for_constant_pool_access && method()->is_static())" ") failed", "should call new_constructor instead"); ::breakpoint (); } } while (0); |
| 772 | InstanceKlass* holder = method->method_holder(); |
| 773 | int slot = method->method_idnum(); |
| 774 | |
| 775 | Symbol* signature = method->signature(); |
| 776 | int parameter_count = ArgumentCount(signature).size(); |
| 777 | oop return_type_oop = NULL__null; |
| 778 | objArrayHandle parameter_types = get_parameter_types(method, parameter_count, &return_type_oop, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 779 | if (parameter_types.is_null() || return_type_oop == NULL__null) return NULL__null; |
| 780 | |
| 781 | Handle return_type(THREAD__the_thread__, return_type_oop); |
| 782 | |
| 783 | objArrayHandle exception_types = get_exception_types(method, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 784 | assert(!exception_types.is_null(), "cannot return null")do { if (!(!exception_types.is_null())) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 784, "assert(" "!exception_types.is_null()" ") failed", "cannot return null" ); ::breakpoint(); } } while (0); |
| 785 | |
| 786 | Symbol* method_name = method->name(); |
| 787 | oop name_oop = StringTable::intern(method_name, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 788 | Handle name = Handle(THREAD__the_thread__, name_oop); |
| 789 | if (name == NULL__null) return NULL__null; |
| 790 | |
| 791 | const int modifiers = method->access_flags().as_int() & JVM_RECOGNIZED_METHOD_MODIFIERS(JVM_ACC_PUBLIC | JVM_ACC_PRIVATE | JVM_ACC_PROTECTED | JVM_ACC_STATIC | JVM_ACC_FINAL | JVM_ACC_SYNCHRONIZED | JVM_ACC_BRIDGE | JVM_ACC_VARARGS | JVM_ACC_NATIVE | JVM_ACC_ABSTRACT | JVM_ACC_STRICT | JVM_ACC_SYNTHETIC ); |
| 792 | |
| 793 | Handle mh = java_lang_reflect_Method::create(CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 794 | |
| 795 | java_lang_reflect_Method::set_clazz(mh(), holder->java_mirror()); |
| 796 | java_lang_reflect_Method::set_slot(mh(), slot); |
| 797 | java_lang_reflect_Method::set_name(mh(), name()); |
| 798 | java_lang_reflect_Method::set_return_type(mh(), return_type()); |
| 799 | java_lang_reflect_Method::set_parameter_types(mh(), parameter_types()); |
| 800 | java_lang_reflect_Method::set_exception_types(mh(), exception_types()); |
| 801 | java_lang_reflect_Method::set_modifiers(mh(), modifiers); |
| 802 | java_lang_reflect_Method::set_override(mh(), false); |
| 803 | if (method->generic_signature() != NULL__null) { |
| 804 | Symbol* gs = method->generic_signature(); |
| 805 | Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 806 | java_lang_reflect_Method::set_signature(mh(), sig()); |
| 807 | } |
| 808 | typeArrayOop an_oop = Annotations::make_java_array(method->annotations(), CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 809 | java_lang_reflect_Method::set_annotations(mh(), an_oop); |
| 810 | an_oop = Annotations::make_java_array(method->parameter_annotations(), CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 811 | java_lang_reflect_Method::set_parameter_annotations(mh(), an_oop); |
| 812 | an_oop = Annotations::make_java_array(method->annotation_default(), CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 813 | java_lang_reflect_Method::set_annotation_default(mh(), an_oop); |
| 814 | return mh(); |
| 815 | } |
| 816 | |
| 817 | |
| 818 | oop Reflection::new_constructor(const methodHandle& method, TRAPSJavaThread* __the_thread__) { |
| 819 | assert(method()->is_initializer(), "should call new_method instead")do { if (!(method()->is_initializer())) { (*g_assert_poison ) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 819, "assert(" "method()->is_initializer()" ") failed", "should call new_method instead" ); ::breakpoint(); } } while (0); |
| 820 | |
| 821 | InstanceKlass* holder = method->method_holder(); |
| 822 | int slot = method->method_idnum(); |
| 823 | |
| 824 | Symbol* signature = method->signature(); |
| 825 | int parameter_count = ArgumentCount(signature).size(); |
| 826 | objArrayHandle parameter_types = get_parameter_types(method, parameter_count, NULL__null, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 827 | if (parameter_types.is_null()) return NULL__null; |
| 828 | |
| 829 | objArrayHandle exception_types = get_exception_types(method, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 830 | assert(!exception_types.is_null(), "cannot return null")do { if (!(!exception_types.is_null())) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 830, "assert(" "!exception_types.is_null()" ") failed", "cannot return null" ); ::breakpoint(); } } while (0); |
| 831 | |
| 832 | const int modifiers = method->access_flags().as_int() & JVM_RECOGNIZED_METHOD_MODIFIERS(JVM_ACC_PUBLIC | JVM_ACC_PRIVATE | JVM_ACC_PROTECTED | JVM_ACC_STATIC | JVM_ACC_FINAL | JVM_ACC_SYNCHRONIZED | JVM_ACC_BRIDGE | JVM_ACC_VARARGS | JVM_ACC_NATIVE | JVM_ACC_ABSTRACT | JVM_ACC_STRICT | JVM_ACC_SYNTHETIC ); |
| 833 | |
| 834 | Handle ch = java_lang_reflect_Constructor::create(CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 835 | |
| 836 | java_lang_reflect_Constructor::set_clazz(ch(), holder->java_mirror()); |
| 837 | java_lang_reflect_Constructor::set_slot(ch(), slot); |
| 838 | java_lang_reflect_Constructor::set_parameter_types(ch(), parameter_types()); |
| 839 | java_lang_reflect_Constructor::set_exception_types(ch(), exception_types()); |
| 840 | java_lang_reflect_Constructor::set_modifiers(ch(), modifiers); |
| 841 | java_lang_reflect_Constructor::set_override(ch(), false); |
| 842 | if (method->generic_signature() != NULL__null) { |
| 843 | Symbol* gs = method->generic_signature(); |
| 844 | Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 845 | java_lang_reflect_Constructor::set_signature(ch(), sig()); |
| 846 | } |
| 847 | typeArrayOop an_oop = Annotations::make_java_array(method->annotations(), CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 848 | java_lang_reflect_Constructor::set_annotations(ch(), an_oop); |
| 849 | an_oop = Annotations::make_java_array(method->parameter_annotations(), CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 850 | java_lang_reflect_Constructor::set_parameter_annotations(ch(), an_oop); |
| 851 | return ch(); |
| 852 | } |
| 853 | |
| 854 | |
| 855 | oop Reflection::new_field(fieldDescriptor* fd, TRAPSJavaThread* __the_thread__) { |
| 856 | Symbol* field_name = fd->name(); |
| 857 | oop name_oop = StringTable::intern(field_name, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 858 | Handle name = Handle(THREAD__the_thread__, name_oop); |
| 859 | Symbol* signature = fd->signature(); |
| 860 | InstanceKlass* holder = fd->field_holder(); |
| 861 | Handle type = new_type(signature, holder, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 862 | Handle rh = java_lang_reflect_Field::create(CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 863 | |
| 864 | java_lang_reflect_Field::set_clazz(rh(), fd->field_holder()->java_mirror()); |
| 865 | java_lang_reflect_Field::set_slot(rh(), fd->index()); |
| 866 | java_lang_reflect_Field::set_name(rh(), name()); |
| 867 | java_lang_reflect_Field::set_type(rh(), type()); |
| 868 | if (fd->is_trusted_final()) { |
| 869 | java_lang_reflect_Field::set_trusted_final(rh()); |
| 870 | } |
| 871 | // Note the ACC_ANNOTATION bit, which is a per-class access flag, is never set here. |
| 872 | java_lang_reflect_Field::set_modifiers(rh(), fd->access_flags().as_int() & JVM_RECOGNIZED_FIELD_MODIFIERS(JVM_ACC_PUBLIC | JVM_ACC_PRIVATE | JVM_ACC_PROTECTED | JVM_ACC_STATIC | JVM_ACC_FINAL | JVM_ACC_VOLATILE | JVM_ACC_TRANSIENT | JVM_ACC_ENUM | JVM_ACC_SYNTHETIC)); |
| 873 | java_lang_reflect_Field::set_override(rh(), false); |
| 874 | if (fd->has_generic_signature()) { |
| 875 | Symbol* gs = fd->generic_signature(); |
| 876 | Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 877 | java_lang_reflect_Field::set_signature(rh(), sig()); |
| 878 | } |
| 879 | typeArrayOop an_oop = Annotations::make_java_array(fd->annotations(), CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 880 | java_lang_reflect_Field::set_annotations(rh(), an_oop); |
| 881 | return rh(); |
| 882 | } |
| 883 | |
| 884 | oop Reflection::new_parameter(Handle method, int index, Symbol* sym, |
| 885 | int flags, TRAPSJavaThread* __the_thread__) { |
| 886 | |
| 887 | Handle rh = java_lang_reflect_Parameter::create(CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 888 | |
| 889 | if(NULL__null != sym) { |
| 890 | Handle name = java_lang_String::create_from_symbol(sym, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 891 | java_lang_reflect_Parameter::set_name(rh(), name()); |
| 892 | } else { |
| 893 | java_lang_reflect_Parameter::set_name(rh(), NULL__null); |
| 894 | } |
| 895 | |
| 896 | java_lang_reflect_Parameter::set_modifiers(rh(), flags); |
| 897 | java_lang_reflect_Parameter::set_executable(rh(), method()); |
| 898 | java_lang_reflect_Parameter::set_index(rh(), index); |
| 899 | return rh(); |
| 900 | } |
| 901 | |
| 902 | |
| 903 | static methodHandle resolve_interface_call(InstanceKlass* klass, |
| 904 | const methodHandle& method, |
| 905 | Klass* recv_klass, |
| 906 | Handle receiver, |
| 907 | TRAPSJavaThread* __the_thread__) { |
| 908 | |
| 909 | assert(!method.is_null() , "method should not be null")do { if (!(!method.is_null())) { (*g_assert_poison) = 'X';; report_vm_error ("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 909, "assert(" "!method.is_null()" ") failed", "method should not be null" ); ::breakpoint(); } } while (0); |
| 910 | |
| 911 | CallInfo info; |
| 912 | Symbol* signature = method->signature(); |
| 913 | Symbol* name = method->name(); |
| 914 | LinkResolver::resolve_interface_call(info, receiver, recv_klass, |
| 915 | LinkInfo(klass, name, signature), |
| 916 | true, |
| 917 | CHECK_(methodHandle())__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return methodHandle(); (void)(0); |
| 918 | return methodHandle(THREAD__the_thread__, info.selected_method()); |
| 919 | } |
| 920 | |
| 921 | // Conversion |
| 922 | static BasicType basic_type_mirror_to_basic_type(oop basic_type_mirror) { |
| 923 | assert(java_lang_Class::is_primitive(basic_type_mirror),do { if (!(java_lang_Class::is_primitive(basic_type_mirror))) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 924, "assert(" "java_lang_Class::is_primitive(basic_type_mirror)" ") failed", "just checking"); ::breakpoint(); } } while (0) |
| 924 | "just checking")do { if (!(java_lang_Class::is_primitive(basic_type_mirror))) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 924, "assert(" "java_lang_Class::is_primitive(basic_type_mirror)" ") failed", "just checking"); ::breakpoint(); } } while (0); |
| 925 | return java_lang_Class::primitive_type(basic_type_mirror); |
| 926 | } |
| 927 | |
| 928 | // Narrowing of basic types. Used to create correct jvalues for |
| 929 | // boolean, byte, char and short return return values from interpreter |
| 930 | // which are returned as ints. Throws IllegalArgumentException. |
| 931 | static void narrow(jvalue* value, BasicType narrow_type, TRAPSJavaThread* __the_thread__) { |
| 932 | switch (narrow_type) { |
| 933 | case T_BOOLEAN: |
| 934 | value->z = (jboolean) (value->i & 1); |
| 935 | return; |
| 936 | case T_BYTE: |
| 937 | value->b = (jbyte)value->i; |
| 938 | return; |
| 939 | case T_CHAR: |
| 940 | value->c = (jchar)value->i; |
| 941 | return; |
| 942 | case T_SHORT: |
| 943 | value->s = (jshort)value->i; |
| 944 | return; |
| 945 | default: |
| 946 | break; // fail |
| 947 | } |
| 948 | THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 948, vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch" ); return; }; |
| 949 | } |
| 950 | |
| 951 | |
| 952 | // Method call (shared by invoke_method and invoke_constructor) |
| 953 | static oop invoke(InstanceKlass* klass, |
| 954 | const methodHandle& reflected_method, |
| 955 | Handle receiver, |
| 956 | bool override, |
| 957 | objArrayHandle ptypes, |
| 958 | BasicType rtype, |
| 959 | objArrayHandle args, |
| 960 | bool is_method_invoke, |
| 961 | TRAPSJavaThread* __the_thread__) { |
| 962 | |
| 963 | ResourceMark rm(THREAD__the_thread__); |
| 964 | |
| 965 | methodHandle method; // actual method to invoke |
| 966 | Klass* target_klass; // target klass, receiver's klass for non-static |
| 967 | |
| 968 | // Ensure klass is initialized |
| 969 | klass->initialize(CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 970 | |
| 971 | bool is_static = reflected_method->is_static(); |
| 972 | if (is_static) { |
| 973 | // ignore receiver argument |
| 974 | method = reflected_method; |
| 975 | target_klass = klass; |
Value stored to 'target_klass' is never read | |
| 976 | } else { |
| 977 | // check for null receiver |
| 978 | if (receiver.is_null()) { |
| 979 | THROW_0(vmSymbols::java_lang_NullPointerException()){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 979, vmSymbols::java_lang_NullPointerException(), __null); return 0; }; |
| 980 | } |
| 981 | // Check class of receiver against class declaring method |
| 982 | if (!receiver->is_a(klass)) { |
| 983 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "object is not an instance of declaring class"){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 983, vmSymbols::java_lang_IllegalArgumentException(), "object is not an instance of declaring class" ); return 0; }; |
| 984 | } |
| 985 | // target klass is receiver's klass |
| 986 | target_klass = receiver->klass(); |
| 987 | // no need to resolve if method is private or <init> |
| 988 | if (reflected_method->is_private() || reflected_method->name() == vmSymbols::object_initializer_name()) { |
| 989 | method = reflected_method; |
| 990 | } else { |
| 991 | // resolve based on the receiver |
| 992 | if (reflected_method->method_holder()->is_interface()) { |
| 993 | // resolve interface call |
| 994 | // |
| 995 | // Match resolution errors with those thrown due to reflection inlining |
| 996 | // Linktime resolution & IllegalAccessCheck already done by Class.getMethod() |
| 997 | method = resolve_interface_call(klass, reflected_method, target_klass, receiver, THREAD__the_thread__); |
| 998 | if (HAS_PENDING_EXCEPTION(((ThreadShadow*)__the_thread__)->has_pending_exception())) { |
| 999 | // Method resolution threw an exception; wrap it in an InvocationTargetException |
| 1000 | oop resolution_exception = PENDING_EXCEPTION(((ThreadShadow*)__the_thread__)->pending_exception()); |
| 1001 | CLEAR_PENDING_EXCEPTION(((ThreadShadow*)__the_thread__)->clear_pending_exception( )); |
| 1002 | // JVMTI has already reported the pending exception |
| 1003 | // JVMTI internal flag reset is needed in order to report InvocationTargetException |
| 1004 | JvmtiExport::clear_detected_exception(THREAD__the_thread__); |
| 1005 | JavaCallArguments args(Handle(THREAD__the_thread__, resolution_exception)); |
| 1006 | THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(),{ Exceptions::_throw_args(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1008, vmSymbols::java_lang_reflect_InvocationTargetException (), vmSymbols::throwable_void_signature(), &args); return 0; } |
| 1007 | vmSymbols::throwable_void_signature(),{ Exceptions::_throw_args(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1008, vmSymbols::java_lang_reflect_InvocationTargetException (), vmSymbols::throwable_void_signature(), &args); return 0; } |
| 1008 | &args){ Exceptions::_throw_args(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1008, vmSymbols::java_lang_reflect_InvocationTargetException (), vmSymbols::throwable_void_signature(), &args); return 0; }; |
| 1009 | } |
| 1010 | } else { |
| 1011 | // if the method can be overridden, we resolve using the vtable index. |
| 1012 | assert(!reflected_method->has_itable_index(), "")do { if (!(!reflected_method->has_itable_index())) { (*g_assert_poison ) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1012, "assert(" "!reflected_method->has_itable_index()" ") failed" , ""); ::breakpoint(); } } while (0); |
| 1013 | int index = reflected_method->vtable_index(); |
| 1014 | method = reflected_method; |
| 1015 | if (index != Method::nonvirtual_vtable_index) { |
| 1016 | method = methodHandle(THREAD__the_thread__, target_klass->method_at_vtable(index)); |
| 1017 | } |
| 1018 | if (!method.is_null()) { |
| 1019 | // Check for abstract methods as well |
| 1020 | if (method->is_abstract()) { |
| 1021 | // new default: 6531596 |
| 1022 | ResourceMark rm(THREAD__the_thread__); |
| 1023 | stringStream ss; |
| 1024 | ss.print("'"); |
| 1025 | Method::print_external_name(&ss, target_klass, method->name(), method->signature()); |
| 1026 | ss.print("'"); |
| 1027 | Handle h_origexception = Exceptions::new_exception(THREAD__the_thread__, |
| 1028 | vmSymbols::java_lang_AbstractMethodError(), ss.as_string()); |
| 1029 | JavaCallArguments args(h_origexception); |
| 1030 | THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(),{ Exceptions::_throw_args(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1032, vmSymbols::java_lang_reflect_InvocationTargetException (), vmSymbols::throwable_void_signature(), &args); return 0; } |
| 1031 | vmSymbols::throwable_void_signature(),{ Exceptions::_throw_args(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1032, vmSymbols::java_lang_reflect_InvocationTargetException (), vmSymbols::throwable_void_signature(), &args); return 0; } |
| 1032 | &args){ Exceptions::_throw_args(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1032, vmSymbols::java_lang_reflect_InvocationTargetException (), vmSymbols::throwable_void_signature(), &args); return 0; }; |
| 1033 | } |
| 1034 | } |
| 1035 | } |
| 1036 | } |
| 1037 | } |
| 1038 | |
| 1039 | // I believe this is a ShouldNotGetHere case which requires |
| 1040 | // an internal vtable bug. If you ever get this please let Karen know. |
| 1041 | if (method.is_null()) { |
| 1042 | ResourceMark rm(THREAD__the_thread__); |
| 1043 | stringStream ss; |
| 1044 | ss.print("'"); |
| 1045 | Method::print_external_name(&ss, klass, |
| 1046 | reflected_method->name(), |
| 1047 | reflected_method->signature()); |
| 1048 | ss.print("'"); |
| 1049 | THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), ss.as_string()){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1049, vmSymbols::java_lang_NoSuchMethodError(), ss.as_string ()); return 0; }; |
| 1050 | } |
| 1051 | |
| 1052 | assert(ptypes->is_objArray(), "just checking")do { if (!(ptypes->is_objArray())) { (*g_assert_poison) = 'X' ;; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1052, "assert(" "ptypes->is_objArray()" ") failed", "just checking" ); ::breakpoint(); } } while (0); |
| 1053 | int args_len = args.is_null() ? 0 : args->length(); |
| 1054 | // Check number of arguments |
| 1055 | if (ptypes->length() != args_len) { |
| 1056 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),{ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1057, vmSymbols::java_lang_IllegalArgumentException(), "wrong number of arguments" ); return 0; } |
| 1057 | "wrong number of arguments"){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1057, vmSymbols::java_lang_IllegalArgumentException(), "wrong number of arguments" ); return 0; }; |
| 1058 | } |
| 1059 | |
| 1060 | // Create object to contain parameters for the JavaCall |
| 1061 | JavaCallArguments java_args(method->size_of_parameters()); |
| 1062 | |
| 1063 | if (!is_static) { |
| 1064 | java_args.push_oop(receiver); |
| 1065 | } |
| 1066 | |
| 1067 | for (int i = 0; i < args_len; i++) { |
| 1068 | oop type_mirror = ptypes->obj_at(i); |
| 1069 | oop arg = args->obj_at(i); |
| 1070 | if (java_lang_Class::is_primitive(type_mirror)) { |
| 1071 | jvalue value; |
| 1072 | BasicType ptype = basic_type_mirror_to_basic_type(type_mirror); |
| 1073 | BasicType atype = Reflection::unbox_for_primitive(arg, &value, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 1074 | if (ptype != atype) { |
| 1075 | Reflection::widen(&value, atype, ptype, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 1076 | } |
| 1077 | switch (ptype) { |
| 1078 | case T_BOOLEAN: java_args.push_int(value.z); break; |
| 1079 | case T_CHAR: java_args.push_int(value.c); break; |
| 1080 | case T_BYTE: java_args.push_int(value.b); break; |
| 1081 | case T_SHORT: java_args.push_int(value.s); break; |
| 1082 | case T_INT: java_args.push_int(value.i); break; |
| 1083 | case T_LONG: java_args.push_long(value.j); break; |
| 1084 | case T_FLOAT: java_args.push_float(value.f); break; |
| 1085 | case T_DOUBLE: java_args.push_double(value.d); break; |
| 1086 | default: |
| 1087 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1087, vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch" ); return 0; }; |
| 1088 | } |
| 1089 | } else { |
| 1090 | if (arg != NULL__null) { |
| 1091 | Klass* k = java_lang_Class::as_Klass(type_mirror); |
| 1092 | if (!arg->is_a(k)) { |
| 1093 | THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),{ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1094, vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch" ); return 0; } |
| 1094 | "argument type mismatch"){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1094, vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch" ); return 0; }; |
| 1095 | } |
| 1096 | } |
| 1097 | Handle arg_handle(THREAD__the_thread__, arg); // Create handle for argument |
| 1098 | java_args.push_oop(arg_handle); // Push handle |
| 1099 | } |
| 1100 | } |
| 1101 | |
| 1102 | assert(java_args.size_of_parameters() == method->size_of_parameters(),do { if (!(java_args.size_of_parameters() == method->size_of_parameters ())) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1103, "assert(" "java_args.size_of_parameters() == method->size_of_parameters()" ") failed", "just checking"); ::breakpoint(); } } while (0) |
| 1103 | "just checking")do { if (!(java_args.size_of_parameters() == method->size_of_parameters ())) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1103, "assert(" "java_args.size_of_parameters() == method->size_of_parameters()" ") failed", "just checking"); ::breakpoint(); } } while (0); |
| 1104 | |
| 1105 | // All oops (including receiver) is passed in as Handles. An potential oop is returned as an |
| 1106 | // oop (i.e., NOT as an handle) |
| 1107 | JavaValue result(rtype); |
| 1108 | JavaCalls::call(&result, method, &java_args, THREAD__the_thread__); |
| 1109 | |
| 1110 | if (HAS_PENDING_EXCEPTION(((ThreadShadow*)__the_thread__)->has_pending_exception())) { |
| 1111 | // Method threw an exception; wrap it in an InvocationTargetException |
| 1112 | oop target_exception = PENDING_EXCEPTION(((ThreadShadow*)__the_thread__)->pending_exception()); |
| 1113 | CLEAR_PENDING_EXCEPTION(((ThreadShadow*)__the_thread__)->clear_pending_exception( )); |
| 1114 | // JVMTI has already reported the pending exception |
| 1115 | // JVMTI internal flag reset is needed in order to report InvocationTargetException |
| 1116 | JvmtiExport::clear_detected_exception(THREAD__the_thread__); |
| 1117 | |
| 1118 | JavaCallArguments args(Handle(THREAD__the_thread__, target_exception)); |
| 1119 | THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(),{ Exceptions::_throw_args(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1121, vmSymbols::java_lang_reflect_InvocationTargetException (), vmSymbols::throwable_void_signature(), &args); return 0; } |
| 1120 | vmSymbols::throwable_void_signature(),{ Exceptions::_throw_args(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1121, vmSymbols::java_lang_reflect_InvocationTargetException (), vmSymbols::throwable_void_signature(), &args); return 0; } |
| 1121 | &args){ Exceptions::_throw_args(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1121, vmSymbols::java_lang_reflect_InvocationTargetException (), vmSymbols::throwable_void_signature(), &args); return 0; }; |
| 1122 | } else { |
| 1123 | if (rtype == T_BOOLEAN || rtype == T_BYTE || rtype == T_CHAR || rtype == T_SHORT) { |
| 1124 | narrow((jvalue*)result.get_value_addr(), rtype, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 1125 | } |
| 1126 | return Reflection::box((jvalue*)result.get_value_addr(), rtype, THREAD__the_thread__); |
| 1127 | } |
| 1128 | } |
| 1129 | |
| 1130 | // This would be nicer if, say, java.lang.reflect.Method was a subclass |
| 1131 | // of java.lang.reflect.Constructor |
| 1132 | |
| 1133 | oop Reflection::invoke_method(oop method_mirror, Handle receiver, objArrayHandle args, TRAPSJavaThread* __the_thread__) { |
| 1134 | oop mirror = java_lang_reflect_Method::clazz(method_mirror); |
| 1135 | int slot = java_lang_reflect_Method::slot(method_mirror); |
| 1136 | bool override = java_lang_reflect_Method::override(method_mirror) != 0; |
| 1137 | objArrayHandle ptypes(THREAD__the_thread__, objArrayOop(java_lang_reflect_Method::parameter_types(method_mirror))); |
| 1138 | |
| 1139 | oop return_type_mirror = java_lang_reflect_Method::return_type(method_mirror); |
| 1140 | BasicType rtype; |
| 1141 | if (java_lang_Class::is_primitive(return_type_mirror)) { |
| 1142 | rtype = basic_type_mirror_to_basic_type(return_type_mirror); |
| 1143 | } else { |
| 1144 | rtype = T_OBJECT; |
| 1145 | } |
| 1146 | |
| 1147 | InstanceKlass* klass = InstanceKlass::cast(java_lang_Class::as_Klass(mirror)); |
| 1148 | Method* m = klass->method_with_idnum(slot); |
| 1149 | if (m == NULL__null) { |
| 1150 | THROW_MSG_0(vmSymbols::java_lang_InternalError(), "invoke"){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1150, vmSymbols::java_lang_InternalError(), "invoke"); return 0; }; |
| 1151 | } |
| 1152 | methodHandle method(THREAD__the_thread__, m); |
| 1153 | |
| 1154 | return invoke(klass, method, receiver, override, ptypes, rtype, args, true, THREAD__the_thread__); |
| 1155 | } |
| 1156 | |
| 1157 | |
| 1158 | oop Reflection::invoke_constructor(oop constructor_mirror, objArrayHandle args, TRAPSJavaThread* __the_thread__) { |
| 1159 | oop mirror = java_lang_reflect_Constructor::clazz(constructor_mirror); |
| 1160 | int slot = java_lang_reflect_Constructor::slot(constructor_mirror); |
| 1161 | bool override = java_lang_reflect_Constructor::override(constructor_mirror) != 0; |
| 1162 | objArrayHandle ptypes(THREAD__the_thread__, objArrayOop(java_lang_reflect_Constructor::parameter_types(constructor_mirror))); |
| 1163 | |
| 1164 | InstanceKlass* klass = InstanceKlass::cast(java_lang_Class::as_Klass(mirror)); |
| 1165 | Method* m = klass->method_with_idnum(slot); |
| 1166 | if (m == NULL__null) { |
| 1167 | THROW_MSG_0(vmSymbols::java_lang_InternalError(), "invoke"){ Exceptions::_throw_msg(__the_thread__, "/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1167, vmSymbols::java_lang_InternalError(), "invoke"); return 0; }; |
| 1168 | } |
| 1169 | methodHandle method(THREAD__the_thread__, m); |
| 1170 | assert(method->name() == vmSymbols::object_initializer_name(), "invalid constructor")do { if (!(method->name() == vmSymbols::object_initializer_name ())) { (*g_assert_poison) = 'X';; report_vm_error("/home/daniel/Projects/java/jdk/src/hotspot/share/runtime/reflection.cpp" , 1170, "assert(" "method->name() == vmSymbols::object_initializer_name()" ") failed", "invalid constructor"); ::breakpoint(); } } while (0); |
| 1171 | |
| 1172 | // Make sure klass gets initialize |
| 1173 | klass->initialize(CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 1174 | |
| 1175 | // Create new instance (the receiver) |
| 1176 | klass->check_valid_for_instantiation(false, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 1177 | Handle receiver = klass->allocate_instance_handle(CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 1178 | |
| 1179 | // Ignore result from call and return receiver |
| 1180 | invoke(klass, method, receiver, override, ptypes, T_VOID, args, false, CHECK_NULL__the_thread__); if ((((ThreadShadow*)__the_thread__)->has_pending_exception ())) return __null; (void)(0); |
| 1181 | return receiver(); |
| 1182 | } |