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