annotate src/share/vm/ci/ciNullObject.cpp @ 666:ebebd376f657

6805522: Server VM fails with assertion (block1->start() != block2->start(),"successors have unique bcis") Reviewed-by: kvn
author never
date Mon, 23 Mar 2009 13:58:58 -0700
parents a61af66fc99e
children c18cbe5936b8
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1 /*
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2 * Copyright 1999 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 #include "incls/_precompiled.incl"
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26 #include "incls/_ciNullObject.cpp.incl"
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27
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28 // ciNullObject
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29 //
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30 // This class represents a null reference. It can be used
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31 // as a class loader or as the null constant.
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32
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33 // ------------------------------------------------------------------
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34 // ciNullObject::print_impl
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35 //
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36 // Implementation of the print method.
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37 void ciNullObject::print_impl(outputStream* st) {
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38 ciObject::print_impl(st);
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39 st->print(" unique");
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40 }
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41
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42 // ------------------------------------------------------------------
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43 // ciNullObject::make
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44 //
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45 // Get the distinguished instance of this class.
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46 ciNullObject* ciNullObject::make() {
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47 return CURRENT_ENV->_null_object_instance->as_null_object();
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48 }