1 /*
2 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 // During the development of the JDK 1.4 reflection implementation
26 // based on dynamic bytecode generation, it was hoped that the bulk of
27 // the native code for reflection could be removed. Unfortunately
28 // there is currently a significant cost associated with loading the
29 // stub classes which impacts startup time. Until this cost can be
30 // reduced, the JVM entry points JVM_InvokeMethod and
31 // JVM_NewInstanceFromConstructor are still needed; these and their
32 // dependents currently constitute the bulk of the native code for
33 // reflection. If this cost is reduced in the future, the
34 // NativeMethodAccessorImpl and NativeConstructorAccessorImpl classes
35 // can be removed from sun.reflect and all of the code guarded by this
36 // flag removed from the product build. (Non-product builds,
37 // specifically the "optimized" target, would retain the code so they
38 // could be dropped into earlier JDKs for comparative benchmarking.)
39
40 //#ifndef PRODUCT
41 # define SUPPORT_OLD_REFLECTION
42 //#endif
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1 /*
2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_RUNTIME_REFLECTIONCOMPAT_HPP
26 #define SHARE_VM_RUNTIME_REFLECTIONCOMPAT_HPP
27
28 // During the development of the JDK 1.4 reflection implementation
29 // based on dynamic bytecode generation, it was hoped that the bulk of
30 // the native code for reflection could be removed. Unfortunately
31 // there is currently a significant cost associated with loading the
32 // stub classes which impacts startup time. Until this cost can be
33 // reduced, the JVM entry points JVM_InvokeMethod and
34 // JVM_NewInstanceFromConstructor are still needed; these and their
35 // dependents currently constitute the bulk of the native code for
36 // reflection. If this cost is reduced in the future, the
37 // NativeMethodAccessorImpl and NativeConstructorAccessorImpl classes
38 // can be removed from sun.reflect and all of the code guarded by this
39 // flag removed from the product build. (Non-product builds,
40 // specifically the "optimized" target, would retain the code so they
41 // could be dropped into earlier JDKs for comparative benchmarking.)
42
43 //#ifndef PRODUCT
44 # define SUPPORT_OLD_REFLECTION
45 //#endif
46
47 #endif // SHARE_VM_RUNTIME_REFLECTIONCOMPAT_HPP
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