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annotate src/share/vm/oops/markOop.cpp @ 22886:fdde6a70ea85

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8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale Summary: optimize the adjust_method_entries functions by using the orig_method_idnum() function Reviewed-by: coleenp, dcubed
author sspitsyn
date Tue, 17 Mar 2015 17:11:14 -0700
parents 6e8e0bf87bbe
children
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1 /*
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2 * Copyright (c) 1997, 2015, 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 "oops/markOop.hpp"
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27 #include "runtime/thread.inline.hpp"
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28 #include "runtime/objectMonitor.inline.hpp"
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29
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30 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
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31
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32 void markOopDesc::print_on(outputStream* st) const {
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33 if (is_marked()) {
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34 st->print(" marked(" INTPTR_FORMAT ")", value());
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35 } else if (is_locked()) {
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36 st->print(" locked(" INTPTR_FORMAT ")->", value());
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37 if (is_neutral()) {
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38 st->print("is_neutral");
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39 if (has_no_hash()) st->print(" no_hash");
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40 else st->print(" hash=" INTPTR_FORMAT, hash());
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41 st->print(" age=%d", age());
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42 } else if (has_bias_pattern()) {
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43 st->print("is_biased");
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44 JavaThread* jt = biased_locker();
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45 st->print(" biased_locker=" INTPTR_FORMAT, p2i(jt));
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46 } else if (has_monitor()) {
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47 ObjectMonitor* mon = monitor();
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48 if (mon == NULL)
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49 st->print("monitor=NULL");
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50 else {
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51 BasicLock * bl = (BasicLock *) mon->owner();
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52 st->print("monitor={count="INTPTR_FORMAT",waiters="INTPTR_FORMAT",recursions="INTPTR_FORMAT",owner="INTPTR_FORMAT"}",
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53 mon->count(), mon->waiters(), mon->recursions(), p2i(bl));
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54 }
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55 } else {
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56 st->print("??");
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57 }
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58 } else {
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59 assert(is_unlocked() || has_bias_pattern(), "just checking");
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60 st->print("mark(");
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61 if (has_bias_pattern()) st->print("biased,");
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62 st->print("hash %#lx,", hash());
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63 st->print("age %d)", age());
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64 }
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65 }