author | lfoltan |
Mon, 20 Aug 2018 08:25:57 -0400 | |
changeset 51444 | 3e5d28e6de32 |
parent 50735 | 2f2af62dfac7 |
child 51467 | 12997ebbc0d8 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "jvm.h" |
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#include "classfile/javaClasses.hpp" |
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#include "classfile/moduleEntry.hpp" |
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#include "classfile/packageEntry.hpp" |
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#include "classfile/stringTable.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "classfile/verifier.hpp" |
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#include "classfile/vmSymbols.hpp" |
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#include "interpreter/linkResolver.hpp" |
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#include "logging/log.hpp" |
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#include "memory/oopFactory.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "memory/universe.hpp" |
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#include "oops/instanceKlass.hpp" |
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#include "oops/objArrayKlass.hpp" |
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#include "oops/objArrayOop.inline.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "oops/typeArrayOop.inline.hpp" |
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#include "prims/jvmtiExport.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/reflection.hpp" |
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#include "runtime/reflectionUtils.hpp" |
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#include "runtime/signature.hpp" |
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#include "runtime/vframe.inline.hpp" |
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static void trace_class_resolution(const Klass* to_class) { |
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ResourceMark rm; |
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int line_number = -1; |
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const char * source_file = NULL; |
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Klass* caller = NULL; |
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JavaThread* jthread = JavaThread::current(); |
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if (jthread->has_last_Java_frame()) { |
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vframeStream vfst(jthread); |
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// skip over any frames belonging to java.lang.Class |
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while (!vfst.at_end() && |
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vfst.method()->method_holder()->name() == vmSymbols::java_lang_Class()) { |
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vfst.next(); |
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} |
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if (!vfst.at_end()) { |
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// this frame is a likely suspect |
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caller = vfst.method()->method_holder(); |
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line_number = vfst.method()->line_number_from_bci(vfst.bci()); |
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Symbol* s = vfst.method()->method_holder()->source_file_name(); |
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if (s != NULL) { |
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source_file = s->as_C_string(); |
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} |
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} |
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} |
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if (caller != NULL) { |
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const char * from = caller->external_name(); |
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const char * to = to_class->external_name(); |
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// print in a single call to reduce interleaving between threads |
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if (source_file != NULL) { |
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log_debug(class, resolve)("%s %s %s:%d (reflection)", from, to, source_file, line_number); |
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} else { |
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log_debug(class, resolve)("%s %s (reflection)", from, to); |
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} |
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} |
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} |
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||
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oop Reflection::box(jvalue* value, BasicType type, TRAPS) { |
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if (type == T_VOID) { |
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return NULL; |
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} |
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if (type == T_OBJECT || type == T_ARRAY) { |
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// regular objects are not boxed |
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return (oop) value->l; |
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} |
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oop result = java_lang_boxing_object::create(type, value, CHECK_NULL); |
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if (result == NULL) { |
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THROW_(vmSymbols::java_lang_IllegalArgumentException(), result); |
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} |
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return result; |
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} |
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||
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BasicType Reflection::unbox_for_primitive(oop box, jvalue* value, TRAPS) { |
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if (box == NULL) { |
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THROW_(vmSymbols::java_lang_IllegalArgumentException(), T_ILLEGAL); |
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} |
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return java_lang_boxing_object::get_value(box, value); |
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} |
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||
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BasicType Reflection::unbox_for_regular_object(oop box, jvalue* value) { |
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// Note: box is really the unboxed oop. It might even be a Short, etc.! |
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value->l = (jobject) box; |
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return T_OBJECT; |
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} |
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||
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void Reflection::widen(jvalue* value, BasicType current_type, BasicType wide_type, TRAPS) { |
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assert(wide_type != current_type, "widen should not be called with identical types"); |
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switch (wide_type) { |
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case T_BOOLEAN: |
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case T_BYTE: |
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case T_CHAR: |
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break; // fail |
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case T_SHORT: |
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switch (current_type) { |
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case T_BYTE: |
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value->s = (jshort) value->b; |
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return; |
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default: |
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break; |
1 | 133 |
} |
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break; // fail |
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case T_INT: |
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switch (current_type) { |
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case T_BYTE: |
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value->i = (jint) value->b; |
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return; |
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case T_CHAR: |
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value->i = (jint) value->c; |
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return; |
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case T_SHORT: |
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value->i = (jint) value->s; |
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return; |
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default: |
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break; |
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} |
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break; // fail |
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case T_LONG: |
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switch (current_type) { |
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case T_BYTE: |
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value->j = (jlong) value->b; |
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return; |
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case T_CHAR: |
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value->j = (jlong) value->c; |
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return; |
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case T_SHORT: |
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value->j = (jlong) value->s; |
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return; |
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case T_INT: |
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value->j = (jlong) value->i; |
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return; |
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default: |
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break; |
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} |
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break; // fail |
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case T_FLOAT: |
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switch (current_type) { |
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case T_BYTE: |
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value->f = (jfloat) value->b; |
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return; |
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case T_CHAR: |
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value->f = (jfloat) value->c; |
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return; |
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case T_SHORT: |
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value->f = (jfloat) value->s; |
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return; |
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case T_INT: |
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value->f = (jfloat) value->i; |
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return; |
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case T_LONG: |
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value->f = (jfloat) value->j; |
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return; |
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default: |
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break; |
1 | 187 |
} |
188 |
break; // fail |
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case T_DOUBLE: |
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switch (current_type) { |
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191 |
case T_BYTE: |
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value->d = (jdouble) value->b; |
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193 |
return; |
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case T_CHAR: |
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value->d = (jdouble) value->c; |
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return; |
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197 |
case T_SHORT: |
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value->d = (jdouble) value->s; |
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199 |
return; |
|
200 |
case T_INT: |
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201 |
value->d = (jdouble) value->i; |
|
202 |
return; |
|
203 |
case T_FLOAT: |
|
204 |
value->d = (jdouble) value->f; |
|
205 |
return; |
|
206 |
case T_LONG: |
|
207 |
value->d = (jdouble) value->j; |
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return; |
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default: |
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break; |
1 | 211 |
} |
212 |
break; // fail |
|
213 |
default: |
|
214 |
break; // fail |
|
215 |
} |
|
216 |
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
|
217 |
} |
|
218 |
||
219 |
||
220 |
BasicType Reflection::array_get(jvalue* value, arrayOop a, int index, TRAPS) { |
|
221 |
if (!a->is_within_bounds(index)) { |
|
222 |
THROW_(vmSymbols::java_lang_ArrayIndexOutOfBoundsException(), T_ILLEGAL); |
|
223 |
} |
|
224 |
if (a->is_objArray()) { |
|
225 |
value->l = (jobject) objArrayOop(a)->obj_at(index); |
|
226 |
return T_OBJECT; |
|
227 |
} else { |
|
228 |
assert(a->is_typeArray(), "just checking"); |
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229 |
BasicType type = TypeArrayKlass::cast(a->klass())->element_type(); |
1 | 230 |
switch (type) { |
231 |
case T_BOOLEAN: |
|
232 |
value->z = typeArrayOop(a)->bool_at(index); |
|
233 |
break; |
|
234 |
case T_CHAR: |
|
235 |
value->c = typeArrayOop(a)->char_at(index); |
|
236 |
break; |
|
237 |
case T_FLOAT: |
|
238 |
value->f = typeArrayOop(a)->float_at(index); |
|
239 |
break; |
|
240 |
case T_DOUBLE: |
|
241 |
value->d = typeArrayOop(a)->double_at(index); |
|
242 |
break; |
|
243 |
case T_BYTE: |
|
244 |
value->b = typeArrayOop(a)->byte_at(index); |
|
245 |
break; |
|
246 |
case T_SHORT: |
|
247 |
value->s = typeArrayOop(a)->short_at(index); |
|
248 |
break; |
|
249 |
case T_INT: |
|
250 |
value->i = typeArrayOop(a)->int_at(index); |
|
251 |
break; |
|
252 |
case T_LONG: |
|
253 |
value->j = typeArrayOop(a)->long_at(index); |
|
254 |
break; |
|
255 |
default: |
|
256 |
return T_ILLEGAL; |
|
257 |
} |
|
258 |
return type; |
|
259 |
} |
|
260 |
} |
|
261 |
||
262 |
||
263 |
void Reflection::array_set(jvalue* value, arrayOop a, int index, BasicType value_type, TRAPS) { |
|
264 |
if (!a->is_within_bounds(index)) { |
|
265 |
THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); |
|
266 |
} |
|
267 |
if (a->is_objArray()) { |
|
268 |
if (value_type == T_OBJECT) { |
|
269 |
oop obj = (oop) value->l; |
|
270 |
if (obj != NULL) { |
|
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271 |
Klass* element_klass = ObjArrayKlass::cast(a->klass())->element_klass(); |
1 | 272 |
if (!obj->is_a(element_klass)) { |
273 |
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "array element type mismatch"); |
|
274 |
} |
|
275 |
} |
|
276 |
objArrayOop(a)->obj_at_put(index, obj); |
|
277 |
} |
|
278 |
} else { |
|
279 |
assert(a->is_typeArray(), "just checking"); |
|
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280 |
BasicType array_type = TypeArrayKlass::cast(a->klass())->element_type(); |
1 | 281 |
if (array_type != value_type) { |
282 |
// The widen operation can potentially throw an exception, but cannot block, |
|
283 |
// so typeArrayOop a is safe if the call succeeds. |
|
284 |
widen(value, value_type, array_type, CHECK); |
|
285 |
} |
|
286 |
switch (array_type) { |
|
287 |
case T_BOOLEAN: |
|
288 |
typeArrayOop(a)->bool_at_put(index, value->z); |
|
289 |
break; |
|
290 |
case T_CHAR: |
|
291 |
typeArrayOop(a)->char_at_put(index, value->c); |
|
292 |
break; |
|
293 |
case T_FLOAT: |
|
294 |
typeArrayOop(a)->float_at_put(index, value->f); |
|
295 |
break; |
|
296 |
case T_DOUBLE: |
|
297 |
typeArrayOop(a)->double_at_put(index, value->d); |
|
298 |
break; |
|
299 |
case T_BYTE: |
|
300 |
typeArrayOop(a)->byte_at_put(index, value->b); |
|
301 |
break; |
|
302 |
case T_SHORT: |
|
303 |
typeArrayOop(a)->short_at_put(index, value->s); |
|
304 |
break; |
|
305 |
case T_INT: |
|
306 |
typeArrayOop(a)->int_at_put(index, value->i); |
|
307 |
break; |
|
308 |
case T_LONG: |
|
309 |
typeArrayOop(a)->long_at_put(index, value->j); |
|
310 |
break; |
|
311 |
default: |
|
312 |
THROW(vmSymbols::java_lang_IllegalArgumentException()); |
|
313 |
} |
|
314 |
} |
|
315 |
} |
|
316 |
||
34666 | 317 |
static Klass* basic_type_mirror_to_arrayklass(oop basic_type_mirror, TRAPS) { |
1 | 318 |
assert(java_lang_Class::is_primitive(basic_type_mirror), "just checking"); |
319 |
BasicType type = java_lang_Class::primitive_type(basic_type_mirror); |
|
320 |
if (type == T_VOID) { |
|
321 |
THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
|
34666 | 322 |
} |
323 |
else { |
|
1 | 324 |
return Universe::typeArrayKlassObj(type); |
325 |
} |
|
326 |
} |
|
327 |
||
34666 | 328 |
#ifdef ASSERT |
329 |
static oop basic_type_arrayklass_to_mirror(Klass* basic_type_arrayklass, TRAPS) { |
|
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330 |
BasicType type = TypeArrayKlass::cast(basic_type_arrayklass)->element_type(); |
1 | 331 |
return Universe::java_mirror(type); |
332 |
} |
|
34666 | 333 |
#endif |
1 | 334 |
|
335 |
arrayOop Reflection::reflect_new_array(oop element_mirror, jint length, TRAPS) { |
|
336 |
if (element_mirror == NULL) { |
|
337 |
THROW_0(vmSymbols::java_lang_NullPointerException()); |
|
338 |
} |
|
339 |
if (length < 0) { |
|
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340 |
THROW_MSG_0(vmSymbols::java_lang_NegativeArraySizeException(), err_msg("%d", length)); |
1 | 341 |
} |
342 |
if (java_lang_Class::is_primitive(element_mirror)) { |
|
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343 |
Klass* tak = basic_type_mirror_to_arrayklass(element_mirror, CHECK_NULL); |
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344 |
return TypeArrayKlass::cast(tak)->allocate(length, THREAD); |
1 | 345 |
} else { |
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13391
diff
changeset
|
346 |
Klass* k = java_lang_Class::as_Klass(element_mirror); |
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diff
changeset
|
347 |
if (k->is_array_klass() && ArrayKlass::cast(k)->dimension() >= MAX_DIM) { |
1 | 348 |
THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
349 |
} |
|
350 |
return oopFactory::new_objArray(k, length, THREAD); |
|
351 |
} |
|
352 |
} |
|
353 |
||
354 |
||
355 |
arrayOop Reflection::reflect_new_multi_array(oop element_mirror, typeArrayOop dim_array, TRAPS) { |
|
356 |
assert(dim_array->is_typeArray(), "just checking"); |
|
13952
e3cf184080bc
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
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13728
diff
changeset
|
357 |
assert(TypeArrayKlass::cast(dim_array->klass())->element_type() == T_INT, "just checking"); |
1 | 358 |
|
359 |
if (element_mirror == NULL) { |
|
360 |
THROW_0(vmSymbols::java_lang_NullPointerException()); |
|
361 |
} |
|
362 |
||
363 |
int len = dim_array->length(); |
|
364 |
if (len <= 0 || len > MAX_DIM) { |
|
365 |
THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
|
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) { |
|
50304
d5331b94f821
8203881: Print erroneous size in NegativeArraySizeException
goetz
parents:
49982
diff
changeset
|
372 |
THROW_MSG_0(vmSymbols::java_lang_NegativeArraySizeException(), err_msg("%d", d)); |
1 | 373 |
} |
374 |
dimensions[i] = d; |
|
375 |
} |
|
376 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
377 |
Klass* klass; |
1 | 378 |
int dim = len; |
379 |
if (java_lang_Class::is_primitive(element_mirror)) { |
|
380 |
klass = basic_type_mirror_to_arrayklass(element_mirror, CHECK_NULL); |
|
381 |
} else { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
382 |
klass = java_lang_Class::as_Klass(element_mirror); |
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
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33602
diff
changeset
|
383 |
if (klass->is_array_klass()) { |
13952
e3cf184080bc
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
13728
diff
changeset
|
384 |
int k_dim = ArrayKlass::cast(klass)->dimension(); |
1 | 385 |
if (k_dim + len > MAX_DIM) { |
386 |
THROW_0(vmSymbols::java_lang_IllegalArgumentException()); |
|
387 |
} |
|
388 |
dim += k_dim; |
|
389 |
} |
|
390 |
} |
|
14488 | 391 |
klass = klass->array_klass(dim, CHECK_NULL); |
17861
8f14da01157d
6726963: multi_allocate() call does not CHECK_NULL and causes crash in fastdebug bits
ctornqvi
parents:
17860
diff
changeset
|
392 |
oop obj = ArrayKlass::cast(klass)->multi_allocate(len, dimensions, CHECK_NULL); |
1 | 393 |
assert(obj->is_array(), "just checking"); |
394 |
return arrayOop(obj); |
|
395 |
} |
|
396 |
||
397 |
||
398 |
oop Reflection::array_component_type(oop mirror, TRAPS) { |
|
399 |
if (java_lang_Class::is_primitive(mirror)) { |
|
400 |
return NULL; |
|
401 |
} |
|
402 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
403 |
Klass* klass = java_lang_Class::as_Klass(mirror); |
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
404 |
if (!klass->is_array_klass()) { |
1 | 405 |
return NULL; |
406 |
} |
|
407 |
||
26412
80741eb33ba2
8049105: Move array component mirror to instance of java/lang/Class (hotspot part 2)
coleenp
parents:
25057
diff
changeset
|
408 |
oop result = java_lang_Class::component_mirror(mirror); |
1 | 409 |
#ifdef ASSERT |
410 |
oop result2 = NULL; |
|
13952
e3cf184080bc
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
13728
diff
changeset
|
411 |
if (ArrayKlass::cast(klass)->dimension() == 1) { |
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
412 |
if (klass->is_typeArray_klass()) { |
1 | 413 |
result2 = basic_type_arrayklass_to_mirror(klass, CHECK_NULL); |
414 |
} else { |
|
14488 | 415 |
result2 = ObjArrayKlass::cast(klass)->element_klass()->java_mirror(); |
1 | 416 |
} |
417 |
} else { |
|
13952
e3cf184080bc
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
13728
diff
changeset
|
418 |
Klass* lower_dim = ArrayKlass::cast(klass)->lower_dimension(); |
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33602
diff
changeset
|
419 |
assert(lower_dim->is_array_klass(), "just checking"); |
14488 | 420 |
result2 = lower_dim->java_mirror(); |
1 | 421 |
} |
49658 | 422 |
assert(oopDesc::equals(result, result2), "results must be consistent"); |
1 | 423 |
#endif //ASSERT |
424 |
return result; |
|
425 |
} |
|
426 |
||
51444
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
427 |
static bool under_unsafe_anonymous_host(const InstanceKlass* ik, const InstanceKlass* unsafe_anonymous_host) { |
34666 | 428 |
DEBUG_ONLY(int inf_loop_check = 1000 * 1000 * 1000); |
429 |
for (;;) { |
|
51444
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
430 |
const InstanceKlass* hc = ik->unsafe_anonymous_host(); |
34666 | 431 |
if (hc == NULL) return false; |
51444
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
432 |
if (hc == unsafe_anonymous_host) return true; |
40923
10fe1c28b9f6
8058575: IllegalAccessError trying to access package-private class from VM anonymous class
hseigel
parents:
40856
diff
changeset
|
433 |
ik = hc; |
1 | 434 |
|
34666 | 435 |
// There's no way to make a host class loop short of patching memory. |
436 |
// Therefore there cannot be a loop here unless there's another bug. |
|
437 |
// Still, let's check for it. |
|
51444
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
438 |
assert(--inf_loop_check > 0, "no unsafe_anonymous_host loop"); |
34666 | 439 |
} |
440 |
} |
|
441 |
||
442 |
static bool can_relax_access_check_for(const Klass* accessor, |
|
443 |
const Klass* accessee, |
|
444 |
bool classloader_only) { |
|
445 |
||
446 |
const InstanceKlass* accessor_ik = InstanceKlass::cast(accessor); |
|
447 |
const InstanceKlass* accessee_ik = InstanceKlass::cast(accessee); |
|
448 |
||
51444
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
449 |
// If either is on the other's unsafe_anonymous_host chain, access is OK, |
34666 | 450 |
// because one is inside the other. |
51444
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
451 |
if (under_unsafe_anonymous_host(accessor_ik, accessee_ik) || |
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
452 |
under_unsafe_anonymous_host(accessee_ik, accessor_ik)) |
34666 | 453 |
return true; |
454 |
||
455 |
if ((RelaxAccessControlCheck && |
|
456 |
accessor_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION && |
|
457 |
accessee_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION) || |
|
458 |
(accessor_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION && |
|
459 |
accessee_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION)) { |
|
460 |
return classloader_only && |
|
40856
3378947a95e6
8148854: Class names "SomeClass" and "LSomeClass;" treated by JVM as an equivalent
rprotacio
parents:
40385
diff
changeset
|
461 |
Verifier::relax_access_for(accessor_ik->class_loader()) && |
34666 | 462 |
accessor_ik->protection_domain() == accessee_ik->protection_domain() && |
463 |
accessor_ik->class_loader() == accessee_ik->class_loader(); |
|
464 |
} |
|
465 |
||
466 |
return false; |
|
467 |
} |
|
468 |
||
36508 | 469 |
/* |
470 |
Type Accessibility check for public types: Callee Type T is accessible to Caller Type S if: |
|
471 |
||
472 |
Callee T in Callee T in package PT, |
|
473 |
unnamed module runtime module MT |
|
474 |
------------------------------------------------------------------------------------------------ |
|
475 |
||
476 |
Caller S in package If MS is loose: YES If same classloader/package (PS == PT): YES |
|
477 |
PS, runtime module MS If MS can read T's If same runtime module: (MS == MT): YES |
|
478 |
unnamed module: YES |
|
46404
ae62ba99a1a7
8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents:
46388
diff
changeset
|
479 |
Else if (MS can read MT (establish readability) && |
ae62ba99a1a7
8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents:
46388
diff
changeset
|
480 |
((MT exports PT to MS or to all modules) || |
ae62ba99a1a7
8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents:
46388
diff
changeset
|
481 |
(MT is open))): YES |
36508 | 482 |
|
483 |
------------------------------------------------------------------------------------------------ |
|
484 |
Caller S in unnamed YES Readability exists because unnamed module |
|
485 |
module UM "reads" all modules |
|
486 |
if (MT exports PT to UM or to all modules): YES |
|
487 |
||
488 |
------------------------------------------------------------------------------------------------ |
|
489 |
||
490 |
Note: a loose module is a module that can read all current and future unnamed modules. |
|
491 |
*/ |
|
492 |
Reflection::VerifyClassAccessResults Reflection::verify_class_access( |
|
46262
83280d968b96
8174092: Remove array-related access checks from Reflection::verify_class_access()
hseigel
parents:
40923
diff
changeset
|
493 |
const Klass* current_class, const InstanceKlass* new_class, bool classloader_only) { |
36508 | 494 |
|
1 | 495 |
// Verify that current_class can access new_class. If the classloader_only |
496 |
// flag is set, we automatically allow any accesses in which current_class |
|
497 |
// doesn't have a classloader. |
|
498 |
if ((current_class == NULL) || |
|
499 |
(current_class == new_class) || |
|
500 |
is_same_class_package(current_class, new_class)) { |
|
36508 | 501 |
return ACCESS_OK; |
1 | 502 |
} |
37301
a936b4e01afb
8137058: Clear out all non-Critical APIs from sun.reflect
chegar
parents:
37179
diff
changeset
|
503 |
// Allow all accesses from jdk/internal/reflect/MagicAccessorImpl subclasses to |
25057 | 504 |
// succeed trivially. |
505 |
if (current_class->is_subclass_of(SystemDictionary::reflect_MagicAccessorImpl_klass())) { |
|
36508 | 506 |
return ACCESS_OK; |
507 |
} |
|
508 |
||
509 |
// module boundaries |
|
510 |
if (new_class->is_public()) { |
|
511 |
// Ignore modules for DumpSharedSpaces because we do not have any package |
|
512 |
// or module information for modules other than java.base. |
|
513 |
if (DumpSharedSpaces) { |
|
514 |
return ACCESS_OK; |
|
515 |
} |
|
516 |
||
517 |
// Find the module entry for current_class, the accessor |
|
38094
46977cd73d86
8152844: JVM InstanceKlass Methods For Obtaining Package/Module Should Be Moved to Klass
rprotacio
parents:
37480
diff
changeset
|
518 |
ModuleEntry* module_from = current_class->module(); |
36508 | 519 |
// Find the module entry for new_class, the accessee |
38094
46977cd73d86
8152844: JVM InstanceKlass Methods For Obtaining Package/Module Should Be Moved to Klass
rprotacio
parents:
37480
diff
changeset
|
520 |
ModuleEntry* module_to = new_class->module(); |
36508 | 521 |
|
522 |
// both in same (possibly unnamed) module |
|
523 |
if (module_from == module_to) { |
|
524 |
return ACCESS_OK; |
|
525 |
} |
|
526 |
||
46404
ae62ba99a1a7
8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents:
46388
diff
changeset
|
527 |
// Acceptable access to a type in an unnamed module. Note that since |
36508 | 528 |
// unnamed modules can read all unnamed modules, this also handles the |
529 |
// case where module_from is also unnamed but in a different class loader. |
|
530 |
if (!module_to->is_named() && |
|
531 |
(module_from->can_read_all_unnamed() || module_from->can_read(module_to))) { |
|
532 |
return ACCESS_OK; |
|
533 |
} |
|
534 |
||
535 |
// Establish readability, check if module_from is allowed to read module_to. |
|
536 |
if (!module_from->can_read(module_to)) { |
|
537 |
return MODULE_NOT_READABLE; |
|
538 |
} |
|
539 |
||
46404
ae62ba99a1a7
8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents:
46388
diff
changeset
|
540 |
// Access is allowed if module_to is open, i.e. all its packages are unqualifiedly exported |
ae62ba99a1a7
8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents:
46388
diff
changeset
|
541 |
if (module_to->is_open()) { |
ae62ba99a1a7
8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents:
46388
diff
changeset
|
542 |
return ACCESS_OK; |
ae62ba99a1a7
8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents:
46388
diff
changeset
|
543 |
} |
ae62ba99a1a7
8165896: Use "open" flag from JVM_DefineModule to export all module packages
rprotacio
parents:
46388
diff
changeset
|
544 |
|
38094
46977cd73d86
8152844: JVM InstanceKlass Methods For Obtaining Package/Module Should Be Moved to Klass
rprotacio
parents:
37480
diff
changeset
|
545 |
PackageEntry* package_to = new_class->package(); |
36508 | 546 |
assert(package_to != NULL, "can not obtain new_class' package"); |
547 |
||
43471
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
548 |
{ |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
549 |
MutexLocker m1(Module_lock); |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
550 |
|
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
551 |
// Once readability is established, if module_to exports T unqualifiedly, |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
552 |
// (to all modules), than whether module_from is in the unnamed module |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
553 |
// or not does not matter, access is allowed. |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
554 |
if (package_to->is_unqual_exported()) { |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
555 |
return ACCESS_OK; |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
556 |
} |
36508 | 557 |
|
43471
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
558 |
// Access is allowed if both 1 & 2 hold: |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
559 |
// 1. Readability, module_from can read module_to (established above). |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
560 |
// 2. Either module_to exports T to module_from qualifiedly. |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
561 |
// or |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
562 |
// module_to exports T to all unnamed modules and module_from is unnamed. |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
563 |
// or |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
564 |
// module_to exports T unqualifiedly to all modules (checked above). |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
565 |
if (!package_to->is_qexported_to(module_from)) { |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
566 |
return TYPE_NOT_EXPORTED; |
bfb383279a16
8171971: Fix timing bug in JVM management of package export lists
hseigel
parents:
40923
diff
changeset
|
567 |
} |
36508 | 568 |
} |
569 |
return ACCESS_OK; |
|
1 | 570 |
} |
571 |
||
36508 | 572 |
if (can_relax_access_check_for(current_class, new_class, classloader_only)) { |
573 |
return ACCESS_OK; |
|
574 |
} |
|
575 |
return OTHER_PROBLEM; |
|
576 |
} |
|
577 |
||
578 |
// Return an error message specific to the specified Klass*'s and result. |
|
579 |
// This function must be called from within a block containing a ResourceMark. |
|
580 |
char* Reflection::verify_class_access_msg(const Klass* current_class, |
|
46262
83280d968b96
8174092: Remove array-related access checks from Reflection::verify_class_access()
hseigel
parents:
40923
diff
changeset
|
581 |
const InstanceKlass* new_class, |
46543
a6c67129b3fd
8182089: build error in hotspot/src/share/vm/runtime/reflection.cpp
hseigel
parents:
46404
diff
changeset
|
582 |
const VerifyClassAccessResults result) { |
36508 | 583 |
assert(result != ACCESS_OK, "must be failure result"); |
584 |
char * msg = NULL; |
|
585 |
if (result != OTHER_PROBLEM && new_class != NULL && current_class != NULL) { |
|
586 |
// Find the module entry for current_class, the accessor |
|
38094
46977cd73d86
8152844: JVM InstanceKlass Methods For Obtaining Package/Module Should Be Moved to Klass
rprotacio
parents:
37480
diff
changeset
|
587 |
ModuleEntry* module_from = current_class->module(); |
36508 | 588 |
const char * module_from_name = module_from->is_named() ? module_from->name()->as_C_string() : UNNAMED_MODULE; |
589 |
const char * current_class_name = current_class->external_name(); |
|
590 |
||
591 |
// Find the module entry for new_class, the accessee |
|
592 |
ModuleEntry* module_to = NULL; |
|
38094
46977cd73d86
8152844: JVM InstanceKlass Methods For Obtaining Package/Module Should Be Moved to Klass
rprotacio
parents:
37480
diff
changeset
|
593 |
module_to = new_class->module(); |
36508 | 594 |
const char * module_to_name = module_to->is_named() ? module_to->name()->as_C_string() : UNNAMED_MODULE; |
595 |
const char * new_class_name = new_class->external_name(); |
|
596 |
||
597 |
if (result == MODULE_NOT_READABLE) { |
|
598 |
assert(module_from->is_named(), "Unnamed modules can read all modules"); |
|
599 |
if (module_to->is_named()) { |
|
600 |
size_t len = 100 + strlen(current_class_name) + 2*strlen(module_from_name) + |
|
601 |
strlen(new_class_name) + 2*strlen(module_to_name); |
|
602 |
msg = NEW_RESOURCE_ARRAY(char, len); |
|
603 |
jio_snprintf(msg, len - 1, |
|
604 |
"class %s (in module %s) cannot access class %s (in module %s) because module %s does not read module %s", |
|
605 |
current_class_name, module_from_name, new_class_name, |
|
606 |
module_to_name, module_from_name, module_to_name); |
|
607 |
} else { |
|
46773
fb17cc9a6847
8185717: Make ModuleEntry->module() return an oop not a jobject
hseigel
parents:
46727
diff
changeset
|
608 |
oop jlm = module_to->module(); |
44520
0553e129e0ec
8177530: Module system implementation refresh (4/2017)
alanb
parents:
43471
diff
changeset
|
609 |
assert(jlm != NULL, "Null jlm in module_to ModuleEntry"); |
46773
fb17cc9a6847
8185717: Make ModuleEntry->module() return an oop not a jobject
hseigel
parents:
46727
diff
changeset
|
610 |
intptr_t identity_hash = jlm->identity_hash(); |
36508 | 611 |
size_t len = 160 + strlen(current_class_name) + 2*strlen(module_from_name) + |
612 |
strlen(new_class_name) + 2*sizeof(uintx); |
|
613 |
msg = NEW_RESOURCE_ARRAY(char, len); |
|
614 |
jio_snprintf(msg, len - 1, |
|
615 |
"class %s (in module %s) cannot access class %s (in unnamed module @" SIZE_FORMAT_HEX ") because module %s does not read unnamed module @" SIZE_FORMAT_HEX, |
|
616 |
current_class_name, module_from_name, new_class_name, uintx(identity_hash), |
|
617 |
module_from_name, uintx(identity_hash)); |
|
618 |
} |
|
619 |
||
620 |
} else if (result == TYPE_NOT_EXPORTED) { |
|
38094
46977cd73d86
8152844: JVM InstanceKlass Methods For Obtaining Package/Module Should Be Moved to Klass
rprotacio
parents:
37480
diff
changeset
|
621 |
assert(new_class->package() != NULL, |
36508 | 622 |
"Unnamed packages are always exported"); |
623 |
const char * package_name = |
|
38094
46977cd73d86
8152844: JVM InstanceKlass Methods For Obtaining Package/Module Should Be Moved to Klass
rprotacio
parents:
37480
diff
changeset
|
624 |
new_class->package()->name()->as_klass_external_name(); |
36508 | 625 |
assert(module_to->is_named(), "Unnamed modules export all packages"); |
626 |
if (module_from->is_named()) { |
|
627 |
size_t len = 118 + strlen(current_class_name) + 2*strlen(module_from_name) + |
|
628 |
strlen(new_class_name) + 2*strlen(module_to_name) + strlen(package_name); |
|
629 |
msg = NEW_RESOURCE_ARRAY(char, len); |
|
630 |
jio_snprintf(msg, len - 1, |
|
631 |
"class %s (in module %s) cannot access class %s (in module %s) because module %s does not export %s to module %s", |
|
632 |
current_class_name, module_from_name, new_class_name, |
|
633 |
module_to_name, module_to_name, package_name, module_from_name); |
|
634 |
} else { |
|
46773
fb17cc9a6847
8185717: Make ModuleEntry->module() return an oop not a jobject
hseigel
parents:
46727
diff
changeset
|
635 |
oop jlm = module_from->module(); |
44520
0553e129e0ec
8177530: Module system implementation refresh (4/2017)
alanb
parents:
43471
diff
changeset
|
636 |
assert(jlm != NULL, "Null jlm in module_from ModuleEntry"); |
46773
fb17cc9a6847
8185717: Make ModuleEntry->module() return an oop not a jobject
hseigel
parents:
46727
diff
changeset
|
637 |
intptr_t identity_hash = jlm->identity_hash(); |
36508 | 638 |
size_t len = 170 + strlen(current_class_name) + strlen(new_class_name) + |
639 |
2*strlen(module_to_name) + strlen(package_name) + 2*sizeof(uintx); |
|
640 |
msg = NEW_RESOURCE_ARRAY(char, len); |
|
641 |
jio_snprintf(msg, len - 1, |
|
642 |
"class %s (in unnamed module @" SIZE_FORMAT_HEX ") cannot access class %s (in module %s) because module %s does not export %s to unnamed module @" SIZE_FORMAT_HEX, |
|
643 |
current_class_name, uintx(identity_hash), new_class_name, module_to_name, |
|
644 |
module_to_name, package_name, uintx(identity_hash)); |
|
645 |
} |
|
646 |
} else { |
|
647 |
ShouldNotReachHere(); |
|
648 |
} |
|
649 |
} // result != OTHER_PROBLEM... |
|
650 |
return msg; |
|
1 | 651 |
} |
652 |
||
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
653 |
bool Reflection::verify_member_access(const Klass* current_class, |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
654 |
const Klass* resolved_class, |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
655 |
const Klass* member_class, |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
656 |
AccessFlags access, |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
657 |
bool classloader_only, |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
658 |
bool protected_restriction, |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
659 |
TRAPS) { |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
660 |
// Verify that current_class can access a member of member_class, where that |
1 | 661 |
// field's access bits are "access". We assume that we've already verified |
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
662 |
// that current_class can access member_class. |
1 | 663 |
// |
664 |
// If the classloader_only flag is set, we automatically allow any accesses |
|
665 |
// in which current_class doesn't have a classloader. |
|
666 |
// |
|
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
667 |
// "resolved_class" is the runtime type of "member_class". Sometimes we don't |
1 | 668 |
// need this distinction (e.g. if all we have is the runtime type, or during |
669 |
// class file parsing when we only care about the static type); in that case |
|
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
670 |
// callers should ensure that resolved_class == member_class. |
1 | 671 |
// |
672 |
if ((current_class == NULL) || |
|
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
673 |
(current_class == member_class) || |
1 | 674 |
access.is_public()) { |
675 |
return true; |
|
676 |
} |
|
677 |
||
34666 | 678 |
const Klass* host_class = current_class; |
51444
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
679 |
if (current_class->is_instance_klass() && |
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
680 |
InstanceKlass::cast(current_class)->is_unsafe_anonymous()) { |
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
681 |
host_class = InstanceKlass::cast(current_class)->unsafe_anonymous_host(); |
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
682 |
assert(host_class != NULL, "Unsafe anonymous class has null host class"); |
40385
a7011a835634
8030221: Checking for anonymous class should check for NULL as well as potential nesting
hseigel
parents:
38719
diff
changeset
|
683 |
assert(!(host_class->is_instance_klass() && |
51444
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
684 |
InstanceKlass::cast(host_class)->is_unsafe_anonymous()), |
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
685 |
"unsafe_anonymous_host should not be unsafe anonymous itself"); |
22215
579f4a1a4aa6
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
21729
diff
changeset
|
686 |
} |
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
687 |
if (host_class == member_class) { |
22215
579f4a1a4aa6
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
21729
diff
changeset
|
688 |
return true; |
579f4a1a4aa6
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
21729
diff
changeset
|
689 |
} |
579f4a1a4aa6
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
21729
diff
changeset
|
690 |
|
1 | 691 |
if (access.is_protected()) { |
692 |
if (!protected_restriction) { |
|
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
693 |
// See if current_class (or outermost host class) is a subclass of member_class |
27022 | 694 |
// An interface may not access protected members of j.l.Object |
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
695 |
if (!host_class->is_interface() && host_class->is_subclass_of(member_class)) { |
362 | 696 |
if (access.is_static() || // static fields are ok, see 6622385 |
697 |
current_class == resolved_class || |
|
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
698 |
member_class == resolved_class || |
22215
579f4a1a4aa6
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
21729
diff
changeset
|
699 |
host_class->is_subclass_of(resolved_class) || |
579f4a1a4aa6
8027458: VM anonymous classes: wrong context for protected access checks
hseigel
parents:
21729
diff
changeset
|
700 |
resolved_class->is_subclass_of(host_class)) { |
1 | 701 |
return true; |
702 |
} |
|
703 |
} |
|
704 |
} |
|
705 |
} |
|
706 |
||
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
707 |
// package access |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
708 |
if (!access.is_private() && is_same_class_package(current_class, member_class)) { |
1 | 709 |
return true; |
710 |
} |
|
711 |
||
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
712 |
// private access between different classes needs a nestmate check, but |
51444
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
713 |
// not for unsafe anonymous classes - so check host_class |
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
714 |
if (access.is_private() && host_class == current_class) { |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
715 |
if (current_class->is_instance_klass() && member_class->is_instance_klass() ) { |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
716 |
InstanceKlass* cur_ik = const_cast<InstanceKlass*>(InstanceKlass::cast(current_class)); |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
717 |
InstanceKlass* field_ik = const_cast<InstanceKlass*>(InstanceKlass::cast(member_class)); |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
718 |
// Nestmate access checks may require resolution and validation of the nest-host. |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
719 |
// It is up to the caller to check for pending exceptions and handle appropriately. |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
720 |
bool access = cur_ik->has_nestmate_access_to(field_ik, CHECK_false); |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
721 |
if (access) { |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
722 |
guarantee(resolved_class->is_subclass_of(member_class), "must be!"); |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
723 |
return true; |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
724 |
} |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
725 |
} |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
726 |
} |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
727 |
|
37301
a936b4e01afb
8137058: Clear out all non-Critical APIs from sun.reflect
chegar
parents:
37179
diff
changeset
|
728 |
// Allow all accesses from jdk/internal/reflect/MagicAccessorImpl subclasses to |
25057 | 729 |
// succeed trivially. |
730 |
if (current_class->is_subclass_of(SystemDictionary::reflect_MagicAccessorImpl_klass())) { |
|
1 | 731 |
return true; |
732 |
} |
|
733 |
||
50735
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
734 |
// Check for special relaxations |
2f2af62dfac7
8010319: Implementation of JEP 181: Nest-Based Access Control
dholmes
parents:
50304
diff
changeset
|
735 |
return can_relax_access_check_for(current_class, member_class, classloader_only); |
1 | 736 |
} |
737 |
||
34666 | 738 |
bool Reflection::is_same_class_package(const Klass* class1, const Klass* class2) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
739 |
return InstanceKlass::cast(class1)->is_same_class_package(class2); |
1 | 740 |
} |
741 |
||
742 |
// Checks that the 'outer' klass has declared 'inner' as being an inner klass. If not, |
|
743 |
// throw an incompatible class change exception |
|
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
744 |
// If inner_is_member, require the inner to be a member of the outer. |
51444
3e5d28e6de32
8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation
lfoltan
parents:
50735
diff
changeset
|
745 |
// If !inner_is_member, require the inner to be unsafe anonymous (a non-member). |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
746 |
// Caller is responsible for figuring out in advance which case must be true. |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
747 |
void Reflection::check_for_inner_class(const InstanceKlass* outer, const InstanceKlass* inner, |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
748 |
bool inner_is_member, TRAPS) { |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
10504
diff
changeset
|
749 |
InnerClassesIterator iter(outer); |
1 | 750 |
constantPoolHandle cp (THREAD, outer->constants()); |
12231
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
10504
diff
changeset
|
751 |
for (; !iter.done(); iter.next()) { |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
10504
diff
changeset
|
752 |
int ioff = iter.inner_class_info_index(); |
6a9cfc59a18a
7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field.
jiangli
parents:
10504
diff
changeset
|
753 |
int ooff = iter.outer_class_info_index(); |
1 | 754 |
|
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
755 |
if (inner_is_member && ioff != 0 && ooff != 0) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
756 |
Klass* o = cp->klass_at(ooff, CHECK); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
757 |
if (o == outer) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
758 |
Klass* i = cp->klass_at(ioff, CHECK); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
759 |
if (i == inner) { |
1 | 760 |
return; |
761 |
} |
|
762 |
} |
|
763 |
} |
|
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
764 |
if (!inner_is_member && ioff != 0 && ooff == 0 && |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
765 |
cp->klass_name_at_matches(inner, ioff)) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
766 |
Klass* i = cp->klass_at(ioff, CHECK); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
767 |
if (i == inner) { |
2332
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
768 |
return; |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
769 |
} |
5c7b6f4ce0a1
6814659: separable cleanups and subroutines for 6655638
jrose
parents:
1550
diff
changeset
|
770 |
} |
1 | 771 |
} |
772 |
||
773 |
// 'inner' not declared as an inner klass in outer |
|
774 |
ResourceMark rm(THREAD); |
|
775 |
Exceptions::fthrow( |
|
776 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
777 |
vmSymbols::java_lang_IncompatibleClassChangeError(), |
1 | 778 |
"%s and %s disagree on InnerClasses attribute", |
779 |
outer->external_name(), |
|
780 |
inner->external_name() |
|
781 |
); |
|
782 |
} |
|
783 |
||
784 |
// Utility method converting a single SignatureStream element into java.lang.Class instance |
|
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46630
diff
changeset
|
785 |
static oop get_mirror_from_signature(const methodHandle& method, |
34666 | 786 |
SignatureStream* ss, |
787 |
TRAPS) { |
|
48836
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
788 |
|
34666 | 789 |
|
48836
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
790 |
if (T_OBJECT == ss->type() || T_ARRAY == ss->type()) { |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
791 |
Symbol* name = ss->as_symbol(CHECK_NULL); |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
792 |
oop loader = method->method_holder()->class_loader(); |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
793 |
oop protection_domain = method->method_holder()->protection_domain(); |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
794 |
const Klass* k = SystemDictionary::resolve_or_fail(name, |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
795 |
Handle(THREAD, loader), |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
796 |
Handle(THREAD, protection_domain), |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
797 |
true, |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
798 |
CHECK_NULL); |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
799 |
if (log_is_enabled(Debug, class, resolve)) { |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
800 |
trace_class_resolution(k); |
34666 | 801 |
} |
48836
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
802 |
return k->java_mirror(); |
34666 | 803 |
} |
804 |
||
805 |
assert(ss->type() != T_VOID || ss->at_return_type(), |
|
806 |
"T_VOID should only appear as return type"); |
|
807 |
||
48836
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
808 |
return java_lang_Class::primitive_mirror(ss->type()); |
1 | 809 |
} |
810 |
||
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46630
diff
changeset
|
811 |
static objArrayHandle get_parameter_types(const methodHandle& method, |
34666 | 812 |
int parameter_count, |
813 |
oop* return_type, |
|
814 |
TRAPS) { |
|
1 | 815 |
// Allocate array holding parameter types (java.lang.Class instances) |
4571 | 816 |
objArrayOop m = oopFactory::new_objArray(SystemDictionary::Class_klass(), parameter_count, CHECK_(objArrayHandle())); |
34666 | 817 |
objArrayHandle mirrors(THREAD, m); |
1 | 818 |
int index = 0; |
819 |
// Collect parameter types |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
820 |
ResourceMark rm(THREAD); |
34666 | 821 |
Symbol* signature = method->signature(); |
1 | 822 |
SignatureStream ss(signature); |
823 |
while (!ss.at_return_type()) { |
|
824 |
oop mirror = get_mirror_from_signature(method, &ss, CHECK_(objArrayHandle())); |
|
825 |
mirrors->obj_at_put(index++, mirror); |
|
826 |
ss.next(); |
|
827 |
} |
|
828 |
assert(index == parameter_count, "invalid parameter count"); |
|
829 |
if (return_type != NULL) { |
|
830 |
// Collect return type as well |
|
831 |
assert(ss.at_return_type(), "return type should be present"); |
|
832 |
*return_type = get_mirror_from_signature(method, &ss, CHECK_(objArrayHandle())); |
|
833 |
} |
|
834 |
return mirrors; |
|
835 |
} |
|
836 |
||
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46630
diff
changeset
|
837 |
static objArrayHandle get_exception_types(const methodHandle& method, TRAPS) { |
27680
8ecc0871c18e
8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents:
27677
diff
changeset
|
838 |
return method->resolved_checked_exceptions(THREAD); |
1 | 839 |
} |
840 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
841 |
static Handle new_type(Symbol* signature, Klass* k, TRAPS) { |
48836
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
842 |
// Basic types |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
843 |
BasicType type = vmSymbols::signature_type(signature); |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
844 |
if (type != T_OBJECT) { |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
845 |
return Handle(THREAD, Universe::java_mirror(type)); |
1 | 846 |
} |
847 |
||
48836
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
848 |
Klass* result = |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
849 |
SystemDictionary::resolve_or_fail(signature, |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
850 |
Handle(THREAD, k->class_loader()), |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
851 |
Handle(THREAD, k->protection_domain()), |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
852 |
true, CHECK_(Handle())); |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
853 |
|
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
854 |
if (log_is_enabled(Debug, class, resolve)) { |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
855 |
trace_class_resolution(result); |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
856 |
} |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
857 |
|
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
858 |
oop nt = result->java_mirror(); |
423bcbb288ff
8196601: IllegalAccessError: cannot access class jdk.jfr.internal.handlers.EventHandler
lfoltan
parents:
48826
diff
changeset
|
859 |
return Handle(THREAD, nt); |
1 | 860 |
} |
861 |
||
862 |
||
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
31615
diff
changeset
|
863 |
oop Reflection::new_method(const methodHandle& method, bool for_constant_pool_access, TRAPS) { |
25057 | 864 |
// Allow sun.reflect.ConstantPool to refer to <clinit> methods as java.lang.reflect.Methods. |
1 | 865 |
assert(!method()->is_initializer() || |
25057 | 866 |
(for_constant_pool_access && method()->is_static()), |
867 |
"should call new_constructor instead"); |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
868 |
InstanceKlass* holder = method->method_holder(); |
1 | 869 |
int slot = method->method_idnum(); |
870 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
871 |
Symbol* signature = method->signature(); |
1 | 872 |
int parameter_count = ArgumentCount(signature).size(); |
873 |
oop return_type_oop = NULL; |
|
874 |
objArrayHandle parameter_types = get_parameter_types(method, parameter_count, &return_type_oop, CHECK_NULL); |
|
875 |
if (parameter_types.is_null() || return_type_oop == NULL) return NULL; |
|
876 |
||
877 |
Handle return_type(THREAD, return_type_oop); |
|
878 |
||
879 |
objArrayHandle exception_types = get_exception_types(method, CHECK_NULL); |
|
880 |
||
881 |
if (exception_types.is_null()) return NULL; |
|
882 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
883 |
Symbol* method_name = method->name(); |
24456
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
884 |
oop name_oop = StringTable::intern(method_name, CHECK_NULL); |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
885 |
Handle name = Handle(THREAD, name_oop); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
886 |
if (name == NULL) return NULL; |
1 | 887 |
|
34666 | 888 |
const int modifiers = method->access_flags().as_int() & JVM_RECOGNIZED_METHOD_MODIFIERS; |
1 | 889 |
|
890 |
Handle mh = java_lang_reflect_Method::create(CHECK_NULL); |
|
891 |
||
892 |
java_lang_reflect_Method::set_clazz(mh(), holder->java_mirror()); |
|
893 |
java_lang_reflect_Method::set_slot(mh(), slot); |
|
894 |
java_lang_reflect_Method::set_name(mh(), name()); |
|
895 |
java_lang_reflect_Method::set_return_type(mh(), return_type()); |
|
896 |
java_lang_reflect_Method::set_parameter_types(mh(), parameter_types()); |
|
897 |
java_lang_reflect_Method::set_exception_types(mh(), exception_types()); |
|
898 |
java_lang_reflect_Method::set_modifiers(mh(), modifiers); |
|
899 |
java_lang_reflect_Method::set_override(mh(), false); |
|
900 |
if (java_lang_reflect_Method::has_signature_field() && |
|
901 |
method->generic_signature() != NULL) { |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
902 |
Symbol* gs = method->generic_signature(); |
1 | 903 |
Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
904 |
java_lang_reflect_Method::set_signature(mh(), sig()); |
|
905 |
} |
|
906 |
if (java_lang_reflect_Method::has_annotations_field()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
907 |
typeArrayOop an_oop = Annotations::make_java_array(method->annotations(), CHECK_NULL); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
908 |
java_lang_reflect_Method::set_annotations(mh(), an_oop); |
1 | 909 |
} |
910 |
if (java_lang_reflect_Method::has_parameter_annotations_field()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
911 |
typeArrayOop an_oop = Annotations::make_java_array(method->parameter_annotations(), CHECK_NULL); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
912 |
java_lang_reflect_Method::set_parameter_annotations(mh(), an_oop); |
1 | 913 |
} |
914 |
if (java_lang_reflect_Method::has_annotation_default_field()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
915 |
typeArrayOop an_oop = Annotations::make_java_array(method->annotation_default(), CHECK_NULL); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
916 |
java_lang_reflect_Method::set_annotation_default(mh(), an_oop); |
1 | 917 |
} |
15097
9db149412e0e
8004823: Add VM support for type annotation reflection
stefank
parents:
14488
diff
changeset
|
918 |
if (java_lang_reflect_Method::has_type_annotations_field()) { |
9db149412e0e
8004823: Add VM support for type annotation reflection
stefank
parents:
14488
diff
changeset
|
919 |
typeArrayOop an_oop = Annotations::make_java_array(method->type_annotations(), CHECK_NULL); |
9db149412e0e
8004823: Add VM support for type annotation reflection
stefank
parents:
14488
diff
changeset
|
920 |
java_lang_reflect_Method::set_type_annotations(mh(), an_oop); |
9db149412e0e
8004823: Add VM support for type annotation reflection
stefank
parents:
14488
diff
changeset
|
921 |
} |
1 | 922 |
return mh(); |
923 |
} |
|
924 |
||
925 |
||
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
31615
diff
changeset
|
926 |
oop Reflection::new_constructor(const methodHandle& method, TRAPS) { |
1 | 927 |
assert(method()->is_initializer(), "should call new_method instead"); |
928 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
929 |
InstanceKlass* holder = method->method_holder(); |
1 | 930 |
int slot = method->method_idnum(); |
931 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
932 |
Symbol* signature = method->signature(); |
1 | 933 |
int parameter_count = ArgumentCount(signature).size(); |
934 |
objArrayHandle parameter_types = get_parameter_types(method, parameter_count, NULL, CHECK_NULL); |
|
935 |
if (parameter_types.is_null()) return NULL; |
|
936 |
||
937 |
objArrayHandle exception_types = get_exception_types(method, CHECK_NULL); |
|
938 |
if (exception_types.is_null()) return NULL; |
|
939 |
||
34666 | 940 |
const int modifiers = method->access_flags().as_int() & JVM_RECOGNIZED_METHOD_MODIFIERS; |
1 | 941 |
|
942 |
Handle ch = java_lang_reflect_Constructor::create(CHECK_NULL); |
|
943 |
||
944 |
java_lang_reflect_Constructor::set_clazz(ch(), holder->java_mirror()); |
|
945 |
java_lang_reflect_Constructor::set_slot(ch(), slot); |
|
946 |
java_lang_reflect_Constructor::set_parameter_types(ch(), parameter_types()); |
|
947 |
java_lang_reflect_Constructor::set_exception_types(ch(), exception_types()); |
|
948 |
java_lang_reflect_Constructor::set_modifiers(ch(), modifiers); |
|
949 |
java_lang_reflect_Constructor::set_override(ch(), false); |
|
950 |
if (java_lang_reflect_Constructor::has_signature_field() && |
|
951 |
method->generic_signature() != NULL) { |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
952 |
Symbol* gs = method->generic_signature(); |
1 | 953 |
Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
954 |
java_lang_reflect_Constructor::set_signature(ch(), sig()); |
|
955 |
} |
|
956 |
if (java_lang_reflect_Constructor::has_annotations_field()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
957 |
typeArrayOop an_oop = Annotations::make_java_array(method->annotations(), CHECK_NULL); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
958 |
java_lang_reflect_Constructor::set_annotations(ch(), an_oop); |
1 | 959 |
} |
960 |
if (java_lang_reflect_Constructor::has_parameter_annotations_field()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
961 |
typeArrayOop an_oop = Annotations::make_java_array(method->parameter_annotations(), CHECK_NULL); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
962 |
java_lang_reflect_Constructor::set_parameter_annotations(ch(), an_oop); |
1 | 963 |
} |
17860
1ad3f2d9b4eb
8014709: Constructor.getAnnotatedReturnType() returns empty AnnotatedType
rbackman
parents:
15194
diff
changeset
|
964 |
if (java_lang_reflect_Constructor::has_type_annotations_field()) { |
1ad3f2d9b4eb
8014709: Constructor.getAnnotatedReturnType() returns empty AnnotatedType
rbackman
parents:
15194
diff
changeset
|
965 |
typeArrayOop an_oop = Annotations::make_java_array(method->type_annotations(), CHECK_NULL); |
1ad3f2d9b4eb
8014709: Constructor.getAnnotatedReturnType() returns empty AnnotatedType
rbackman
parents:
15194
diff
changeset
|
966 |
java_lang_reflect_Constructor::set_type_annotations(ch(), an_oop); |
1ad3f2d9b4eb
8014709: Constructor.getAnnotatedReturnType() returns empty AnnotatedType
rbackman
parents:
15194
diff
changeset
|
967 |
} |
1 | 968 |
return ch(); |
969 |
} |
|
970 |
||
971 |
||
24456
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
972 |
oop Reflection::new_field(fieldDescriptor* fd, TRAPS) { |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
973 |
Symbol* field_name = fd->name(); |
24456
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
974 |
oop name_oop = StringTable::intern(field_name, CHECK_NULL); |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
975 |
Handle name = Handle(THREAD, name_oop); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
976 |
Symbol* signature = fd->signature(); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
977 |
InstanceKlass* holder = fd->field_holder(); |
1 | 978 |
Handle type = new_type(signature, holder, CHECK_NULL); |
979 |
Handle rh = java_lang_reflect_Field::create(CHECK_NULL); |
|
980 |
||
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
14385
diff
changeset
|
981 |
java_lang_reflect_Field::set_clazz(rh(), fd->field_holder()->java_mirror()); |
1 | 982 |
java_lang_reflect_Field::set_slot(rh(), fd->index()); |
983 |
java_lang_reflect_Field::set_name(rh(), name()); |
|
984 |
java_lang_reflect_Field::set_type(rh(), type()); |
|
985 |
// Note the ACC_ANNOTATION bit, which is a per-class access flag, is never set here. |
|
986 |
java_lang_reflect_Field::set_modifiers(rh(), fd->access_flags().as_int() & JVM_RECOGNIZED_FIELD_MODIFIERS); |
|
987 |
java_lang_reflect_Field::set_override(rh(), false); |
|
988 |
if (java_lang_reflect_Field::has_signature_field() && |
|
13101
67539edd246d
7177409: Perf regression in JVM_GetClassDeclaredFields after generic signature changes.
jiangli
parents:
12231
diff
changeset
|
989 |
fd->has_generic_signature()) { |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
990 |
Symbol* gs = fd->generic_signature(); |
1 | 991 |
Handle sig = java_lang_String::create_from_symbol(gs, CHECK_NULL); |
992 |
java_lang_reflect_Field::set_signature(rh(), sig()); |
|
993 |
} |
|
994 |
if (java_lang_reflect_Field::has_annotations_field()) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
995 |
typeArrayOop an_oop = Annotations::make_java_array(fd->annotations(), CHECK_NULL); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
996 |
java_lang_reflect_Field::set_annotations(rh(), an_oop); |
1 | 997 |
} |
15097
9db149412e0e
8004823: Add VM support for type annotation reflection
stefank
parents:
14488
diff
changeset
|
998 |
if (java_lang_reflect_Field::has_type_annotations_field()) { |
9db149412e0e
8004823: Add VM support for type annotation reflection
stefank
parents:
14488
diff
changeset
|
999 |
typeArrayOop an_oop = Annotations::make_java_array(fd->type_annotations(), CHECK_NULL); |
9db149412e0e
8004823: Add VM support for type annotation reflection
stefank
parents:
14488
diff
changeset
|
1000 |
java_lang_reflect_Field::set_type_annotations(rh(), an_oop); |
9db149412e0e
8004823: Add VM support for type annotation reflection
stefank
parents:
14488
diff
changeset
|
1001 |
} |
1 | 1002 |
return rh(); |
1003 |
} |
|
1004 |
||
15102
0a86564e5f61
8004728: Add hotspot support for parameter reflection
coleenp
parents:
15097
diff
changeset
|
1005 |
oop Reflection::new_parameter(Handle method, int index, Symbol* sym, |
0a86564e5f61
8004728: Add hotspot support for parameter reflection
coleenp
parents:
15097
diff
changeset
|
1006 |
int flags, TRAPS) { |
15194
a35093d73168
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
15102
diff
changeset
|
1007 |
|
27613
f4773c0d8717
8058322: Zero name_index item of MethodParameters attribute cause MalformedParameterException
emc
parents:
27022
diff
changeset
|
1008 |
Handle rh = java_lang_reflect_Parameter::create(CHECK_NULL); |
f4773c0d8717
8058322: Zero name_index item of MethodParameters attribute cause MalformedParameterException
emc
parents:
27022
diff
changeset
|
1009 |
|
15194
a35093d73168
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
15102
diff
changeset
|
1010 |
if(NULL != sym) { |
27613
f4773c0d8717
8058322: Zero name_index item of MethodParameters attribute cause MalformedParameterException
emc
parents:
27022
diff
changeset
|
1011 |
Handle name = java_lang_String::create_from_symbol(sym, CHECK_NULL); |
f4773c0d8717
8058322: Zero name_index item of MethodParameters attribute cause MalformedParameterException
emc
parents:
27022
diff
changeset
|
1012 |
java_lang_reflect_Parameter::set_name(rh(), name()); |
15194
a35093d73168
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
15102
diff
changeset
|
1013 |
} else { |
27613
f4773c0d8717
8058322: Zero name_index item of MethodParameters attribute cause MalformedParameterException
emc
parents:
27022
diff
changeset
|
1014 |
java_lang_reflect_Parameter::set_name(rh(), NULL); |
15194
a35093d73168
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
15102
diff
changeset
|
1015 |
} |
a35093d73168
8006005: Fix constant pool index validation and alignment trap for method parameter reflection
coleenp
parents:
15102
diff
changeset
|
1016 |
|
15102
0a86564e5f61
8004728: Add hotspot support for parameter reflection
coleenp
parents:
15097
diff
changeset
|
1017 |
java_lang_reflect_Parameter::set_modifiers(rh(), flags); |
0a86564e5f61
8004728: Add hotspot support for parameter reflection
coleenp
parents:
15097
diff
changeset
|
1018 |
java_lang_reflect_Parameter::set_executable(rh(), method()); |
0a86564e5f61
8004728: Add hotspot support for parameter reflection
coleenp
parents:
15097
diff
changeset
|
1019 |
java_lang_reflect_Parameter::set_index(rh(), index); |
0a86564e5f61
8004728: Add hotspot support for parameter reflection
coleenp
parents:
15097
diff
changeset
|
1020 |
return rh(); |
0a86564e5f61
8004728: Add hotspot support for parameter reflection
coleenp
parents:
15097
diff
changeset
|
1021 |
} |
0a86564e5f61
8004728: Add hotspot support for parameter reflection
coleenp
parents:
15097
diff
changeset
|
1022 |
|
1 | 1023 |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
1024 |
static methodHandle resolve_interface_call(InstanceKlass* klass, |
34666 | 1025 |
const methodHandle& method, |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
1026 |
Klass* recv_klass, |
34666 | 1027 |
Handle receiver, |
1028 |
TRAPS) { |
|
1029 |
||
1 | 1030 |
assert(!method.is_null() , "method should not be null"); |
1031 |
||
1032 |
CallInfo info; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1033 |
Symbol* signature = method->signature(); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1034 |
Symbol* name = method->name(); |
31019 | 1035 |
LinkResolver::resolve_interface_call(info, receiver, recv_klass, |
38719
133bf85c3f36
8145148: InterfaceMethod CP entry pointing to a class should cause ICCE
coleenp
parents:
38151
diff
changeset
|
1036 |
LinkInfo(klass, name, signature), |
31019 | 1037 |
true, |
1 | 1038 |
CHECK_(methodHandle())); |
1039 |
return info.selected_method(); |
|
1040 |
} |
|
1041 |
||
34666 | 1042 |
// Conversion |
1043 |
static BasicType basic_type_mirror_to_basic_type(oop basic_type_mirror, TRAPS) { |
|
1044 |
assert(java_lang_Class::is_primitive(basic_type_mirror), |
|
1045 |
"just checking"); |
|
1046 |
return java_lang_Class::primitive_type(basic_type_mirror); |
|
1047 |
} |
|
1 | 1048 |
|
34666 | 1049 |
// Narrowing of basic types. Used to create correct jvalues for |
1050 |
// boolean, byte, char and short return return values from interpreter |
|
1051 |
// which are returned as ints. Throws IllegalArgumentException. |
|
1052 |
static void narrow(jvalue* value, BasicType narrow_type, TRAPS) { |
|
1053 |
switch (narrow_type) { |
|
1054 |
case T_BOOLEAN: |
|
37480 | 1055 |
value->z = (jboolean) (value->i & 1); |
34666 | 1056 |
return; |
1057 |
case T_BYTE: |
|
1058 |
value->b = (jbyte)value->i; |
|
1059 |
return; |
|
1060 |
case T_CHAR: |
|
1061 |
value->c = (jchar)value->i; |
|
1062 |
return; |
|
1063 |
case T_SHORT: |
|
1064 |
value->s = (jshort)value->i; |
|
1065 |
return; |
|
1066 |
default: |
|
1067 |
break; // fail |
|
1068 |
} |
|
1069 |
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
|
1070 |
} |
|
1071 |
||
1072 |
||
1073 |
// Method call (shared by invoke_method and invoke_constructor) |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
1074 |
static oop invoke(InstanceKlass* klass, |
46727
6e4a84748e2c
8183039: Re-examine methodHandle methods uninlined by 8144256
coleenp
parents:
46630
diff
changeset
|
1075 |
const methodHandle& reflected_method, |
34666 | 1076 |
Handle receiver, |
1077 |
bool override, |
|
1078 |
objArrayHandle ptypes, |
|
1079 |
BasicType rtype, |
|
1080 |
objArrayHandle args, |
|
1081 |
bool is_method_invoke, |
|
1082 |
TRAPS) { |
|
1083 |
||
1 | 1084 |
ResourceMark rm(THREAD); |
1085 |
||
1086 |
methodHandle method; // actual method to invoke |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
1087 |
Klass* target_klass; // target klass, receiver's klass for non-static |
1 | 1088 |
|
1089 |
// Ensure klass is initialized |
|
1090 |
klass->initialize(CHECK_NULL); |
|
1091 |
||
1092 |
bool is_static = reflected_method->is_static(); |
|
1093 |
if (is_static) { |
|
1094 |
// ignore receiver argument |
|
1095 |
method = reflected_method; |
|
1096 |
target_klass = klass; |
|
1097 |
} else { |
|
1098 |
// check for null receiver |
|
1099 |
if (receiver.is_null()) { |
|
1100 |
THROW_0(vmSymbols::java_lang_NullPointerException()); |
|
1101 |
} |
|
1102 |
// Check class of receiver against class declaring method |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
1103 |
if (!receiver->is_a(klass)) { |
1 | 1104 |
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "object is not an instance of declaring class"); |
1105 |
} |
|
1106 |
// target klass is receiver's klass |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
1107 |
target_klass = receiver->klass(); |
1 | 1108 |
// no need to resolve if method is private or <init> |
1109 |
if (reflected_method->is_private() || reflected_method->name() == vmSymbols::object_initializer_name()) { |
|
1110 |
method = reflected_method; |
|
1111 |
} else { |
|
1112 |
// resolve based on the receiver |
|
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
14385
diff
changeset
|
1113 |
if (reflected_method->method_holder()->is_interface()) { |
1 | 1114 |
// resolve interface call |
24456
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1115 |
// |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1116 |
// Match resolution errors with those thrown due to reflection inlining |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1117 |
// Linktime resolution & IllegalAccessCheck already done by Class.getMethod() |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1118 |
method = resolve_interface_call(klass, reflected_method, target_klass, receiver, THREAD); |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1119 |
if (HAS_PENDING_EXCEPTION) { |
34666 | 1120 |
// Method resolution threw an exception; wrap it in an InvocationTargetException |
24456
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1121 |
oop resolution_exception = PENDING_EXCEPTION; |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1122 |
CLEAR_PENDING_EXCEPTION; |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1123 |
// JVMTI has already reported the pending exception |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1124 |
// JVMTI internal flag reset is needed in order to report InvocationTargetException |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1125 |
if (THREAD->is_Java_thread()) { |
34666 | 1126 |
JvmtiExport::clear_detected_exception((JavaThread*)THREAD); |
1 | 1127 |
} |
24456
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1128 |
JavaCallArguments args(Handle(THREAD, resolution_exception)); |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1129 |
THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
34666 | 1130 |
vmSymbols::throwable_void_signature(), |
1131 |
&args); |
|
1 | 1132 |
} |
1133 |
} else { |
|
1134 |
// if the method can be overridden, we resolve using the vtable index. |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
1135 |
assert(!reflected_method->has_itable_index(), ""); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
1136 |
int index = reflected_method->vtable_index(); |
1 | 1137 |
method = reflected_method; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1138 |
if (index != Method::nonvirtual_vtable_index) { |
35900 | 1139 |
method = methodHandle(THREAD, target_klass->method_at_vtable(index)); |
1 | 1140 |
} |
1141 |
if (!method.is_null()) { |
|
1142 |
// Check for abstract methods as well |
|
1143 |
if (method->is_abstract()) { |
|
1144 |
// new default: 6531596 |
|
24456
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1145 |
ResourceMark rm(THREAD); |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1146 |
Handle h_origexception = Exceptions::new_exception(THREAD, |
34666 | 1147 |
vmSymbols::java_lang_AbstractMethodError(), |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
1148 |
Method::name_and_sig_as_C_string(target_klass, |
34666 | 1149 |
method->name(), |
1150 |
method->signature())); |
|
24456
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1151 |
JavaCallArguments args(h_origexception); |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1152 |
THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1153 |
vmSymbols::throwable_void_signature(), |
8c7933fa5a1f
8025580: Temporary flags: UseNewReflection and ReflectionWrapResolutionErrors
coleenp
parents:
24426
diff
changeset
|
1154 |
&args); |
1 | 1155 |
} |
1156 |
} |
|
1157 |
} |
|
1158 |
} |
|
1159 |
} |
|
1160 |
||
1161 |
// I believe this is a ShouldNotGetHere case which requires |
|
1162 |
// an internal vtable bug. If you ever get this please let Karen know. |
|
1163 |
if (method.is_null()) { |
|
1164 |
ResourceMark rm(THREAD); |
|
1165 |
THROW_MSG_0(vmSymbols::java_lang_NoSuchMethodError(), |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
1166 |
Method::name_and_sig_as_C_string(klass, |
34666 | 1167 |
reflected_method->name(), |
1168 |
reflected_method->signature())); |
|
1 | 1169 |
} |
1170 |
||
1171 |
assert(ptypes->is_objArray(), "just checking"); |
|
1172 |
int args_len = args.is_null() ? 0 : args->length(); |
|
1173 |
// Check number of arguments |
|
1174 |
if (ptypes->length() != args_len) { |
|
34666 | 1175 |
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), |
1176 |
"wrong number of arguments"); |
|
1 | 1177 |
} |
1178 |
||
1179 |
// Create object to contain parameters for the JavaCall |
|
1180 |
JavaCallArguments java_args(method->size_of_parameters()); |
|
1181 |
||
1182 |
if (!is_static) { |
|
1183 |
java_args.push_oop(receiver); |
|
1184 |
} |
|
1185 |
||
1186 |
for (int i = 0; i < args_len; i++) { |
|
1187 |
oop type_mirror = ptypes->obj_at(i); |
|
1188 |
oop arg = args->obj_at(i); |
|
1189 |
if (java_lang_Class::is_primitive(type_mirror)) { |
|
1190 |
jvalue value; |
|
1191 |
BasicType ptype = basic_type_mirror_to_basic_type(type_mirror, CHECK_NULL); |
|
34666 | 1192 |
BasicType atype = Reflection::unbox_for_primitive(arg, &value, CHECK_NULL); |
1 | 1193 |
if (ptype != atype) { |
34666 | 1194 |
Reflection::widen(&value, atype, ptype, CHECK_NULL); |
1 | 1195 |
} |
1196 |
switch (ptype) { |
|
1197 |
case T_BOOLEAN: java_args.push_int(value.z); break; |
|
1198 |
case T_CHAR: java_args.push_int(value.c); break; |
|
1199 |
case T_BYTE: java_args.push_int(value.b); break; |
|
1200 |
case T_SHORT: java_args.push_int(value.s); break; |
|
1201 |
case T_INT: java_args.push_int(value.i); break; |
|
1202 |
case T_LONG: java_args.push_long(value.j); break; |
|
1203 |
case T_FLOAT: java_args.push_float(value.f); break; |
|
1204 |
case T_DOUBLE: java_args.push_double(value.d); break; |
|
1205 |
default: |
|
1206 |
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), "argument type mismatch"); |
|
1207 |
} |
|
1208 |
} else { |
|
1209 |
if (arg != NULL) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1210 |
Klass* k = java_lang_Class::as_Klass(type_mirror); |
1 | 1211 |
if (!arg->is_a(k)) { |
34666 | 1212 |
THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), |
1213 |
"argument type mismatch"); |
|
1 | 1214 |
} |
1215 |
} |
|
1216 |
Handle arg_handle(THREAD, arg); // Create handle for argument |
|
1217 |
java_args.push_oop(arg_handle); // Push handle |
|
1218 |
} |
|
1219 |
} |
|
1220 |
||
34666 | 1221 |
assert(java_args.size_of_parameters() == method->size_of_parameters(), |
1222 |
"just checking"); |
|
1 | 1223 |
|
1224 |
// All oops (including receiver) is passed in as Handles. An potential oop is returned as an |
|
1225 |
// oop (i.e., NOT as an handle) |
|
1226 |
JavaValue result(rtype); |
|
1227 |
JavaCalls::call(&result, method, &java_args, THREAD); |
|
1228 |
||
1229 |
if (HAS_PENDING_EXCEPTION) { |
|
1230 |
// Method threw an exception; wrap it in an InvocationTargetException |
|
1231 |
oop target_exception = PENDING_EXCEPTION; |
|
1232 |
CLEAR_PENDING_EXCEPTION; |
|
22897
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
22551
diff
changeset
|
1233 |
// JVMTI has already reported the pending exception |
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
22551
diff
changeset
|
1234 |
// JVMTI internal flag reset is needed in order to report InvocationTargetException |
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
22551
diff
changeset
|
1235 |
if (THREAD->is_Java_thread()) { |
34666 | 1236 |
JvmtiExport::clear_detected_exception((JavaThread*)THREAD); |
22897
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
22551
diff
changeset
|
1237 |
} |
77e1024a4a14
4505697: nsk/jdi/ExceptionEvent/_itself_/exevent006 and exevent008 tests fail with InvocationTargetException
jbachorik
parents:
22551
diff
changeset
|
1238 |
|
1 | 1239 |
JavaCallArguments args(Handle(THREAD, target_exception)); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1240 |
THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1241 |
vmSymbols::throwable_void_signature(), |
1 | 1242 |
&args); |
1243 |
} else { |
|
31615 | 1244 |
if (rtype == T_BOOLEAN || rtype == T_BYTE || rtype == T_CHAR || rtype == T_SHORT) { |
34666 | 1245 |
narrow((jvalue*)result.get_value_addr(), rtype, CHECK_NULL); |
31615 | 1246 |
} |
34666 | 1247 |
return Reflection::box((jvalue*)result.get_value_addr(), rtype, THREAD); |
1 | 1248 |
} |
1249 |
} |
|
1250 |
||
1251 |
// This would be nicer if, say, java.lang.reflect.Method was a subclass |
|
1252 |
// of java.lang.reflect.Constructor |
|
1253 |
||
1254 |
oop Reflection::invoke_method(oop method_mirror, Handle receiver, objArrayHandle args, TRAPS) { |
|
1255 |
oop mirror = java_lang_reflect_Method::clazz(method_mirror); |
|
1256 |
int slot = java_lang_reflect_Method::slot(method_mirror); |
|
1257 |
bool override = java_lang_reflect_Method::override(method_mirror) != 0; |
|
1258 |
objArrayHandle ptypes(THREAD, objArrayOop(java_lang_reflect_Method::parameter_types(method_mirror))); |
|
1259 |
||
1260 |
oop return_type_mirror = java_lang_reflect_Method::return_type(method_mirror); |
|
1261 |
BasicType rtype; |
|
1262 |
if (java_lang_Class::is_primitive(return_type_mirror)) { |
|
1263 |
rtype = basic_type_mirror_to_basic_type(return_type_mirror, CHECK_NULL); |
|
1264 |
} else { |
|
1265 |
rtype = T_OBJECT; |
|
1266 |
} |
|
1267 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
1268 |
InstanceKlass* klass = InstanceKlass::cast(java_lang_Class::as_Klass(mirror)); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1269 |
Method* m = klass->method_with_idnum(slot); |
224
6a257cd604e7
6667089: 3/3 multiple redefinitions of a class break reflection
dcubed
parents:
1
diff
changeset
|
1270 |
if (m == NULL) { |
1 | 1271 |
THROW_MSG_0(vmSymbols::java_lang_InternalError(), "invoke"); |
1272 |
} |
|
224
6a257cd604e7
6667089: 3/3 multiple redefinitions of a class break reflection
dcubed
parents:
1
diff
changeset
|
1273 |
methodHandle method(THREAD, m); |
1 | 1274 |
|
1275 |
return invoke(klass, method, receiver, override, ptypes, rtype, args, true, THREAD); |
|
1276 |
} |
|
1277 |
||
1278 |
||
1279 |
oop Reflection::invoke_constructor(oop constructor_mirror, objArrayHandle args, TRAPS) { |
|
1280 |
oop mirror = java_lang_reflect_Constructor::clazz(constructor_mirror); |
|
1281 |
int slot = java_lang_reflect_Constructor::slot(constructor_mirror); |
|
1282 |
bool override = java_lang_reflect_Constructor::override(constructor_mirror) != 0; |
|
1283 |
objArrayHandle ptypes(THREAD, objArrayOop(java_lang_reflect_Constructor::parameter_types(constructor_mirror))); |
|
1284 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46289
diff
changeset
|
1285 |
InstanceKlass* klass = InstanceKlass::cast(java_lang_Class::as_Klass(mirror)); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1286 |
Method* m = klass->method_with_idnum(slot); |
224
6a257cd604e7
6667089: 3/3 multiple redefinitions of a class break reflection
dcubed
parents:
1
diff
changeset
|
1287 |
if (m == NULL) { |
1 | 1288 |
THROW_MSG_0(vmSymbols::java_lang_InternalError(), "invoke"); |
1289 |
} |
|
224
6a257cd604e7
6667089: 3/3 multiple redefinitions of a class break reflection
dcubed
parents:
1
diff
changeset
|
1290 |
methodHandle method(THREAD, m); |
1 | 1291 |
assert(method->name() == vmSymbols::object_initializer_name(), "invalid constructor"); |
1292 |
||
1293 |
// Make sure klass gets initialize |
|
1294 |
klass->initialize(CHECK_NULL); |
|
1295 |
||
1296 |
// Create new instance (the receiver) |
|
1297 |
klass->check_valid_for_instantiation(false, CHECK_NULL); |
|
1298 |
Handle receiver = klass->allocate_instance_handle(CHECK_NULL); |
|
1299 |
||
1300 |
// Ignore result from call and return receiver |
|
1301 |
invoke(klass, method, receiver, override, ptypes, T_VOID, args, false, CHECK_NULL); |
|
1302 |
return receiver(); |
|
1303 |
} |