1 /*
2 * Copyright (c) 2003, 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 *
45 Type type = db.lookupType("MutableSpace");
46 topField = type.getAddressField("_top");
47 }
48
49 public MutableSpace(Address addr) {
50 super(addr);
51 }
52
53 // Fields
54 private static AddressField topField;
55
56 // Accessors
57 public Address top() { return topField.getValue(addr); }
58
59 /** In bytes */
60 public long used() {
61 return top().minus(bottom());
62 }
63
64 /** returns all MemRegions where live objects are */
65 public List/*<MemRegion>*/ getLiveRegions() {
66 List res = new ArrayList();
67 res.add(new MemRegion(bottom(), top()));
68 return res;
69 }
70
71 public void printOn(PrintStream tty) {
72 tty.print(" [" + bottom() + "," +
73 top() + "," + end() + "] ");
74 }
75 }
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1 /*
2 * Copyright (c) 2003, 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 *
45 Type type = db.lookupType("MutableSpace");
46 topField = type.getAddressField("_top");
47 }
48
49 public MutableSpace(Address addr) {
50 super(addr);
51 }
52
53 // Fields
54 private static AddressField topField;
55
56 // Accessors
57 public Address top() { return topField.getValue(addr); }
58
59 /** In bytes */
60 public long used() {
61 return top().minus(bottom());
62 }
63
64 /** returns all MemRegions where live objects are */
65 public List<MemRegion> getLiveRegions() {
66 List<MemRegion> res = new ArrayList<>();
67 res.add(new MemRegion(bottom(), top()));
68 return res;
69 }
70
71 public void printOn(PrintStream tty) {
72 tty.print(" [" + bottom() + "," +
73 top() + "," + end() + "] ");
74 }
75 }
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