Mercurial > hg > truffle
annotate src/share/vm/memory/metaspaceGCThresholdUpdater.hpp @ 17977:0b9500028980
8029381: assert(is_method_type()) failed: bad cast
Summary: Access to method_type and appendix from constant pool (cpcache) needs to be guarded by is_f1_null() because of racy update/initialization.
Reviewed-by: kvn, coleenp, jrose
author | drchase |
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date | Mon, 02 Jun 2014 14:32:29 -0400 |
parents | daef39043d2c |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2014, 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_MEMORY_METASPACE_GC_THRESHOLD_UPDATER_HPP |
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26 #define SHARE_VM_MEMORY_METASPACE_GC_THRESHOLD_UPDATER_HPP |
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27 |
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28 #include "memory/allocation.hpp" |
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29 #include "utilities/debug.hpp" |
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30 |
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31 class MetaspaceGCThresholdUpdater : public AllStatic { |
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32 public: |
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33 enum Type { |
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34 ComputeNewSize, |
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35 ExpandAndAllocate, |
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36 Last |
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37 }; |
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38 |
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39 static const char* to_string(MetaspaceGCThresholdUpdater::Type updater) { |
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40 switch (updater) { |
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41 case ComputeNewSize: |
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42 return "compute_new_size"; |
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43 case ExpandAndAllocate: |
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44 return "expand_and_allocate"; |
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45 default: |
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46 assert(false, err_msg("Got bad updater: %d", (int) updater)); |
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47 return NULL; |
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48 }; |
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49 } |
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50 }; |
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51 |
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52 #endif // SHARE_VM_MEMORY_METASPACE_GC_THRESHOLD_UPDATER_HPP |