Mercurial > hg > graal-jvmci-8
annotate src/share/vm/oops/markOop.cpp @ 22833:6e8e0bf87bbe
8069412: Locks need better debug-printing support
Summary: Added better debug-printing support and enhanced LogCompilation tool
Reviewed-by: kvn, roland, dholmes
author | drchase |
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date | Fri, 20 Feb 2015 22:12:53 -0500 |
parents | 78bbf4d43a14 |
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rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
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" |
0 | 29 |
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30 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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31 |
0 | 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 } |
0 | 58 } else { |
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59 assert(is_unlocked() || has_bias_pattern(), "just checking"); |
0 | 60 st->print("mark("); |
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61 if (has_bias_pattern()) st->print("biased,"); |
0 | 62 st->print("hash %#lx,", hash()); |
63 st->print("age %d)", age()); | |
64 } | |
65 } |