1 /*
2 * Copyright (c) 2018, 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 *
44 }
45
46 static boolean is_weak_good(Address value) {
47 return !is_weak_bad(value) && !is_null(value);
48 }
49
50 static boolean is_weak_good_or_null(Address value) {
51 return !is_weak_bad(value);
52 }
53
54 static long offset(Address address) {
55 return as_long(address) & ZGlobals.ZAddressOffsetMask;
56 }
57
58 static Address address(long value) {
59 VM vm = VM.getVM();
60 if (vm.getOS().equals("solaris") && vm.getCPU().equals("sparc")) {
61 value |= ZGlobals.ZAddressSpaceStart;
62 }
63
64 return ZOop.to_address(value);
65 }
66
67 static Address good(Address value) {
68 return address(offset(value) | ZGlobals.ZAddressGoodMask());
69 }
70
71 static Address good_or_null(Address value) {
72 return is_null(value) ? value : good(value);
73 }
74 }
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1 /*
2 * Copyright (c) 2018, 2019, 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 *
44 }
45
46 static boolean is_weak_good(Address value) {
47 return !is_weak_bad(value) && !is_null(value);
48 }
49
50 static boolean is_weak_good_or_null(Address value) {
51 return !is_weak_bad(value);
52 }
53
54 static long offset(Address address) {
55 return as_long(address) & ZGlobals.ZAddressOffsetMask;
56 }
57
58 static Address address(long value) {
59 VM vm = VM.getVM();
60 if (vm.getOS().equals("solaris") && vm.getCPU().equals("sparc")) {
61 value |= ZGlobals.ZAddressSpaceStart;
62 }
63
64 return ZUtils.longToAddress(value);
65 }
66
67 static Address good(Address value) {
68 return address(offset(value) | ZGlobals.ZAddressGoodMask());
69 }
70
71 static Address good_or_null(Address value) {
72 return is_null(value) ? value : good(value);
73 }
74 }
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