Mercurial > hg > graal-jvmci-8
view src/share/vm/oops/markOop.cpp @ 24118:3ce198ad35a6
check displacement >= 0 (JDK-8177673)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 03 Apr 2017 14:47:25 +0200 |
parents | 6e8e0bf87bbe |
children |
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/* * Copyright (c) 1997, 2015, 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.inline.hpp" PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC void markOopDesc::print_on(outputStream* st) const { if (is_marked()) { st->print(" marked(" INTPTR_FORMAT ")", value()); } else if (is_locked()) { st->print(" locked(" INTPTR_FORMAT ")->", value()); if (is_neutral()) { st->print("is_neutral"); if (has_no_hash()) st->print(" no_hash"); else st->print(" hash=" INTPTR_FORMAT, hash()); st->print(" age=%d", age()); } else if (has_bias_pattern()) { st->print("is_biased"); JavaThread* jt = biased_locker(); st->print(" biased_locker=" INTPTR_FORMAT, p2i(jt)); } else if (has_monitor()) { ObjectMonitor* mon = monitor(); if (mon == NULL) st->print("monitor=NULL"); else { BasicLock * bl = (BasicLock *) mon->owner(); st->print("monitor={count="INTPTR_FORMAT",waiters="INTPTR_FORMAT",recursions="INTPTR_FORMAT",owner="INTPTR_FORMAT"}", mon->count(), mon->waiters(), mon->recursions(), p2i(bl)); } } else { st->print("??"); } } else { assert(is_unlocked() || has_bias_pattern(), "just checking"); st->print("mark("); if (has_bias_pattern()) st->print("biased,"); st->print("hash %#lx,", hash()); st->print("age %d)", age()); } }