1 /*
2 * Copyright (c) 1997, 2024, 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 *
77 }
78 }
79 } else if (is_locked()) { // last bits != 01 => 00
80 // thin locked
81 st->print(" locked(" INTPTR_FORMAT ")", value());
82 } else {
83 st->print(" mark(");
84 if (is_unlocked()) { // last bits = 01
85 st->print("is_unlocked");
86 if (has_no_hash()) {
87 st->print(" no_hash");
88 } else {
89 st->print(" hash=" INTPTR_FORMAT, hash());
90 }
91 } else {
92 st->print("??");
93 }
94 st->print(" age=%d)", age());
95 }
96 }
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1 /*
2 * Copyright (c) 1997, 2025, 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 *
77 }
78 }
79 } else if (is_locked()) { // last bits != 01 => 00
80 // thin locked
81 st->print(" locked(" INTPTR_FORMAT ")", value());
82 } else {
83 st->print(" mark(");
84 if (is_unlocked()) { // last bits = 01
85 st->print("is_unlocked");
86 if (has_no_hash()) {
87 st->print(" no_hash");
88 } else {
89 st->print(" hash=" INTPTR_FORMAT, hash());
90 }
91 } else {
92 st->print("??");
93 }
94 st->print(" age=%d)", age());
95 }
96 }
97
98 markWord markWord::flat_array_prototype(LayoutKind lk) {
99 switch(lk) {
100 case ATOMIC_FLAT:
101 case NON_ATOMIC_FLAT:
102 return markWord(null_free_flat_array_pattern);
103 break;
104 case NULLABLE_ATOMIC_FLAT:
105 return markWord(nullable_flat_array_pattern);
106 break;
107 default:
108 ShouldNotReachHere();
109 }
110 }
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