Mercurial > hg > truffle
annotate src/share/vm/classfile/metadataOnStackMark.hpp @ 14257:f7eeaff95a25
8029464: assert(ft == ttkp->cast_to_ptr_type(jtkp->ptr()) || ft->isa_narrowoop()
Summary: Fix the assert check for narrow klass pointer.
Reviewed-by: twisti, kvn
author | roland |
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date | Mon, 13 Jan 2014 16:16:25 -0800 |
parents | 5daaddd917a1 |
children | b12a2a9b05ca |
rev | line source |
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1 /* |
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2 * Copyright (c) 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #ifndef SHARE_VM_CLASSFILE_METADATAONSTACKMARK_HPP |
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26 #define SHARE_VM_CLASSFILE_METADATAONSTACKMARK_HPP |
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27 |
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28 #include "memory/allocation.hpp" |
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29 |
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30 class Metadata; |
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31 |
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32 // Helper class to mark and unmark metadata used on the stack as either handles |
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33 // or executing methods, so that it can't be deleted during class redefinition |
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34 // and class unloading. |
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35 // This is also used for other things that can be deallocated, like class |
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36 // metadata during parsing, relocated methods, and methods in backtraces. |
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37 class MetadataOnStackMark : public StackObj { |
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38 NOT_PRODUCT(static bool _is_active;) |
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39 public: |
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40 MetadataOnStackMark(); |
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41 ~MetadataOnStackMark(); |
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42 static void record(Metadata* m); |
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43 }; |
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44 |
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45 #endif // SHARE_VM_CLASSFILE_METADATAONSTACKMARK_HPP |