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src/share/vm/oops/markOop.cpp

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   1 /*
   2  * Copyright (c) 1997, 2014, 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 
  29 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  30 
  31 void markOopDesc::print_on(outputStream* st) const {
  32   if (is_locked()) {
  33     st->print("locked(" INTPTR_FORMAT ")->", value());
  34     markOop(*(markOop*)value())->print_on(st);





















  35   } else {
  36     assert(is_unlocked() || has_bias_pattern(), "just checking");
  37     st->print("mark(");
  38     if (has_bias_pattern())  st->print("biased,");
  39     st->print("hash %#lx,", hash());
  40     st->print("age %d)", age());
  41   }
  42 }
   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 
  30 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  31 
  32 void markOopDesc::print_on(outputStream* st) const {
  33     if (is_marked()) {
  34         st->print(" marked(" INTPTR_FORMAT ")", value());
  35     } else if (is_locked()) {
  36         st->print(" locked(" INTPTR_FORMAT ")->", value());
  37         if (is_neutral()) {
  38             st->print("is_neutral");
  39             if (has_no_hash()) st->print(" no_hash");
  40             else st->print(" hash=" INTPTR_FORMAT, hash());
  41             st->print(" age=%d", age());
  42         } else if (has_bias_pattern()) {
  43             st->print("is_biased");
  44             JavaThread* jt = biased_locker();
  45             st->print(" biased_locker=" INTPTR_FORMAT, p2i(jt));
  46         } else if (has_monitor()) {
  47             ObjectMonitor* mon = monitor();
  48             if (mon == NULL)
  49                 st->print("monitor=NULL");
  50             else {
  51                 st->print("monitor={count="INTPTR_FORMAT",waiters="INTPTR_FORMAT",recursions="INTPTR_FORMAT",owner="INTPTR_FORMAT"}",
  52                     mon->count(), mon->waiters(), mon->recursions(), p2i(mon->owner()));
  53             }
  54         } else {
  55             st->print("??");
  56         }
  57     } else {
  58         assert(is_unlocked() || has_bias_pattern(), "just checking");
  59         st->print("mark(");
  60         if (has_bias_pattern()) st->print("biased,");
  61         st->print("hash %#lx,", hash());
  62         st->print("age %d)", age());
  63     }
  64 }
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