1 /*
2 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
1076 JavaValue result(rtype);
1077 JavaCalls::call(&result, method, &java_args, THREAD);
1078
1079 if (HAS_PENDING_EXCEPTION) {
1080 // Method threw an exception; wrap it in an InvocationTargetException
1081 oop target_exception = PENDING_EXCEPTION;
1082 CLEAR_PENDING_EXCEPTION;
1083 // JVMTI has already reported the pending exception
1084 // JVMTI internal flag reset is needed in order to report InvocationTargetException
1085 if (THREAD->is_Java_thread()) {
1086 JvmtiExport::clear_detected_exception((JavaThread*) THREAD);
1087 }
1088
1089 JavaCallArguments args(Handle(THREAD, target_exception));
1090 THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(),
1091 vmSymbols::throwable_void_signature(),
1092 &args);
1093 } else {
1094 if (rtype == T_BOOLEAN || rtype == T_BYTE || rtype == T_CHAR || rtype == T_SHORT)
1095 narrow((jvalue*) result.get_value_addr(), rtype, CHECK_NULL);
1096 return box((jvalue*) result.get_value_addr(), rtype, CHECK_NULL);
1097 }
1098 }
1099
1100
1101 void Reflection::narrow(jvalue* value, BasicType narrow_type, TRAPS) {
1102 switch (narrow_type) {
1103 case T_BOOLEAN:
1104 value->z = (jboolean) (value->i & 1);
1105 return;
1106 case T_BYTE:
1107 value->b = (jbyte) value->i;
1108 return;
1109 case T_CHAR:
1110 value->c = (jchar) value->i;
1111 return;
1112 case T_SHORT:
1113 value->s = (jshort) value->i;
1114 return;
1115 default:
1116 break; // fail
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1 /*
2 * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
1076 JavaValue result(rtype);
1077 JavaCalls::call(&result, method, &java_args, THREAD);
1078
1079 if (HAS_PENDING_EXCEPTION) {
1080 // Method threw an exception; wrap it in an InvocationTargetException
1081 oop target_exception = PENDING_EXCEPTION;
1082 CLEAR_PENDING_EXCEPTION;
1083 // JVMTI has already reported the pending exception
1084 // JVMTI internal flag reset is needed in order to report InvocationTargetException
1085 if (THREAD->is_Java_thread()) {
1086 JvmtiExport::clear_detected_exception((JavaThread*) THREAD);
1087 }
1088
1089 JavaCallArguments args(Handle(THREAD, target_exception));
1090 THROW_ARG_0(vmSymbols::java_lang_reflect_InvocationTargetException(),
1091 vmSymbols::throwable_void_signature(),
1092 &args);
1093 } else {
1094 if (rtype == T_BOOLEAN || rtype == T_BYTE || rtype == T_CHAR || rtype == T_SHORT)
1095 narrow((jvalue*) result.get_value_addr(), rtype, CHECK_NULL);
1096 return box((jvalue*) result.get_value_addr(), rtype, THREAD);
1097 }
1098 }
1099
1100
1101 void Reflection::narrow(jvalue* value, BasicType narrow_type, TRAPS) {
1102 switch (narrow_type) {
1103 case T_BOOLEAN:
1104 value->z = (jboolean) (value->i & 1);
1105 return;
1106 case T_BYTE:
1107 value->b = (jbyte) value->i;
1108 return;
1109 case T_CHAR:
1110 value->c = (jchar) value->i;
1111 return;
1112 case T_SHORT:
1113 value->s = (jshort) value->i;
1114 return;
1115 default:
1116 break; // fail
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