annotate src/share/vm/memory/barrierSet.cpp @ 12146:9758d9f36299

8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced Summary: declare all user-defined operator new()s within Hotspot code with the empty throw() exception specification Reviewed-by: coleenp, twisti, dholmes, hseigel, dcubed, kvn, ccheung Contributed-by: lois.foltan@oracle.com
author coleenp
date Thu, 29 Aug 2013 18:56:29 -0400
parents 1d1603768966
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1 /*
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2 * Copyright (c) 1997, 2011, 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 #include "precompiled.hpp"
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26 #include "gc_interface/collectedHeap.hpp"
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27 #include "memory/barrierSet.inline.hpp"
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28 #include "memory/universe.hpp"
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29
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30 // count is number of array elements being written
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31 void BarrierSet::static_write_ref_array_pre(HeapWord* start, size_t count) {
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32 assert(count <= (size_t)max_intx, "count too large");
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33 #if 0
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34 warning("Pre: \t" INTPTR_FORMAT "[" SIZE_FORMAT "]\t",
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35 start, count);
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36 #endif
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37 if (UseCompressedOops) {
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38 Universe::heap()->barrier_set()->write_ref_array_pre((narrowOop*)start, (int)count, false);
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39 } else {
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40 Universe::heap()->barrier_set()->write_ref_array_pre( (oop*)start, (int)count, false);
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41 }
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42 }
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43
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44 // count is number of array elements being written
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45 void BarrierSet::static_write_ref_array_post(HeapWord* start, size_t count) {
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46 // simply delegate to instance method
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47 Universe::heap()->barrier_set()->write_ref_array(start, count);
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48 }