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 *
48
49 private static synchronized void initialize(TypeDataBase db) {
50 Type type = db.lookupType("ConcurrentMarkSweepGeneration");
51 cmsSpaceField = type.getAddressField("_cmsSpace");
52 }
53
54 // Accessing space
55 public CompactibleFreeListSpace cmsSpace() {
56 return (CompactibleFreeListSpace) VMObjectFactory.newObject(
57 CompactibleFreeListSpace.class,
58 cmsSpaceField.getValue(addr));
59 }
60
61 public long capacity() { return cmsSpace().capacity(); }
62 public long used() { return cmsSpace().used(); }
63 public long free() { return cmsSpace().free(); }
64 public long contiguousAvailable() { throw new RuntimeException("not yet implemented"); }
65 public boolean contains(Address p) { return cmsSpace().contains(p); }
66 public void spaceIterate(SpaceClosure blk, boolean usedOnly) {
67 blk.doSpace(cmsSpace());
68 }
69
70 public Generation.Name kind() {
71 return Generation.Name.CONCURRENT_MARK_SWEEP;
72 }
73
74 public String name() {
75 return "concurrent mark-sweep generation";
76 }
77
78 public void printOn(PrintStream tty) {
79 tty.println(name());
80 cmsSpace().printOn(tty);
81 }
82 }
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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 *
48
49 private static synchronized void initialize(TypeDataBase db) {
50 Type type = db.lookupType("ConcurrentMarkSweepGeneration");
51 cmsSpaceField = type.getAddressField("_cmsSpace");
52 }
53
54 // Accessing space
55 public CompactibleFreeListSpace cmsSpace() {
56 return (CompactibleFreeListSpace) VMObjectFactory.newObject(
57 CompactibleFreeListSpace.class,
58 cmsSpaceField.getValue(addr));
59 }
60
61 public long capacity() { return cmsSpace().capacity(); }
62 public long used() { return cmsSpace().used(); }
63 public long free() { return cmsSpace().free(); }
64 public long contiguousAvailable() { throw new RuntimeException("not yet implemented"); }
65 public boolean contains(Address p) { return cmsSpace().contains(p); }
66 public void spaceIterate(SpaceClosure blk, boolean usedOnly) {
67 blk.doSpace(cmsSpace());
68 }
69 public void liveRegionsIterate(LiveRegionsClosure closure) {
70 closure.doLiveRegions(cmsSpace());
71 }
72
73 public Generation.Name kind() {
74 return Generation.Name.CONCURRENT_MARK_SWEEP;
75 }
76
77 public String name() {
78 return "concurrent mark-sweep generation";
79 }
80
81 public void printOn(PrintStream tty) {
82 tty.println(name());
83 cmsSpace().printOn(tty);
84 }
85 }
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