hotspot/src/share/vm/runtime/reflectionCompat.hpp
author jcoomes
Thu, 11 Dec 2008 12:05:08 -0800
changeset 1668 8ec481b8f514
parent 1 489c9b5090e2
child 5547 f4b087cbb361
permissions -rw-r--r--
6578152: fill_region_with_object has usability and safety issues Reviewed-by: apetrusenko, ysr
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/*
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 * Copyright 2001 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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// During the development of the JDK 1.4 reflection implementation
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// based on dynamic bytecode generation, it was hoped that the bulk of
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// the native code for reflection could be removed. Unfortunately
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// there is currently a significant cost associated with loading the
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// stub classes which impacts startup time. Until this cost can be
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// reduced, the JVM entry points JVM_InvokeMethod and
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// JVM_NewInstanceFromConstructor are still needed; these and their
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// dependents currently constitute the bulk of the native code for
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// reflection. If this cost is reduced in the future, the
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// NativeMethodAccessorImpl and NativeConstructorAccessorImpl classes
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// can be removed from sun.reflect and all of the code guarded by this
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// flag removed from the product build. (Non-product builds,
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// specifically the "optimized" target, would retain the code so they
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// could be dropped into earlier JDKs for comparative benchmarking.)
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//#ifndef PRODUCT
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# define SUPPORT_OLD_REFLECTION
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//#endif