26255c10cb
Add print_on for ObjectMonitor and make markOop printing sensible and add test. Reviewed-by: dcubed, pchilanomate
65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
/*
|
|
* Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*
|
|
*/
|
|
|
|
#include "precompiled.hpp"
|
|
#include "oops/markOop.hpp"
|
|
#include "runtime/thread.inline.hpp"
|
|
#include "runtime/objectMonitor.hpp"
|
|
|
|
void markOopDesc::print_on(outputStream* st) const {
|
|
if (is_marked()) { // last bits = 11
|
|
st->print(" marked(" INTPTR_FORMAT ")", value());
|
|
} else if (has_monitor()) { // last bits = 10
|
|
// have to check has_monitor() before is_locked()
|
|
st->print(" monitor(" INTPTR_FORMAT ")=", value());
|
|
ObjectMonitor* mon = monitor();
|
|
if (mon == NULL) {
|
|
st->print("NULL (this should never be seen!)");
|
|
} else {
|
|
mon->print_on(st);
|
|
}
|
|
} else if (is_locked()) { // last bits != 01 => 00
|
|
// thin locked
|
|
st->print(" locked(" INTPTR_FORMAT ")", value());
|
|
} else {
|
|
st->print(" mark(");
|
|
// Biased bit is 3rd rightmost bit
|
|
if (is_neutral()) { // last bits = 001
|
|
st->print("is_neutral");
|
|
if (has_no_hash()) {
|
|
st->print(" no_hash");
|
|
} else {
|
|
st->print(" hash=" INTPTR_FORMAT, hash());
|
|
}
|
|
} else if (has_bias_pattern()) { // last bits = 101
|
|
st->print("is_biased");
|
|
JavaThread* jt = biased_locker();
|
|
st->print(" biased_locker=" INTPTR_FORMAT " epoch=%d", p2i(jt), bias_epoch());
|
|
} else {
|
|
st->print("??");
|
|
}
|
|
st->print(" age=%d)", age());
|
|
}
|
|
}
|