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annotate src/share/vm/memory/genMarkSweep.hpp @ 12146:9758d9f36299

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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
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1 /*
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2 * Copyright (c) 2001, 2010, 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_GENMARKSWEEP_HPP
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26 #define SHARE_VM_MEMORY_GENMARKSWEEP_HPP
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27
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28 #include "gc_implementation/shared/markSweep.hpp"
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29
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30 class GenMarkSweep : public MarkSweep {
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31 friend class VM_MarkSweep;
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32 friend class G1MarkSweep;
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33 public:
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34 static void invoke_at_safepoint(int level, ReferenceProcessor* rp,
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35 bool clear_all_softrefs);
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36
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37 private:
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38
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39 // Mark live objects
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40 static void mark_sweep_phase1(int level, bool clear_all_softrefs);
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41 // Calculate new addresses
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42 static void mark_sweep_phase2();
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43 // Update pointers
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44 static void mark_sweep_phase3(int level);
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45 // Move objects to new positions
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46 static void mark_sweep_phase4();
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47
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48 // Temporary data structures for traversal and storing/restoring marks
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49 static void allocate_stacks();
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50 static void deallocate_stacks();
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51 };
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52
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53 #endif // SHARE_VM_MEMORY_GENMARKSWEEP_HPP