1/*
2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#include "precompiled.hpp"
26#include "oops/markOop.hpp"
27#include "runtime/thread.inline.hpp"
28#include "runtime/objectMonitor.inline.hpp"
29
30void markOopDesc::print_on(outputStream* st) const {
31  if (is_marked()) {
32    st->print(" marked(" INTPTR_FORMAT ")", value());
33  } else if (has_monitor()) {
34    // have to check has_monitor() before is_locked()
35    st->print(" monitor(" INTPTR_FORMAT ")=", value());
36    ObjectMonitor* mon = monitor();
37    if (mon == NULL) {
38      st->print("NULL (this should never be seen!)");
39    } else {
40      st->print("{count=0x%08x,waiters=0x%08x"
41                ",recursions=" INTPTR_FORMAT ",owner=" INTPTR_FORMAT "}",
42                mon->count(), mon->waiters(), mon->recursions(),
43                p2i(mon->owner()));
44    }
45  } else if (is_locked()) {
46    st->print(" locked(" INTPTR_FORMAT ")->", value());
47    if (is_neutral()) {
48      st->print("is_neutral");
49      if (has_no_hash()) {
50        st->print(" no_hash");
51      } else {
52        st->print(" hash=" INTPTR_FORMAT, hash());
53      }
54      st->print(" age=%d", age());
55    } else if (has_bias_pattern()) {
56      st->print("is_biased");
57      JavaThread* jt = biased_locker();
58      st->print(" biased_locker=" INTPTR_FORMAT, p2i(jt));
59    } else {
60      st->print("??");
61    }
62  } else {
63    assert(is_unlocked() || has_bias_pattern(), "just checking");
64    st->print("mark(");
65    if (has_bias_pattern()) st->print("biased,");
66    st->print("hash " INTPTR_FORMAT ",", hash());
67    st->print("age %d)", age());
68  }
69}
70