1 /*
2 * Copyright (c) 2000, 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 *
57 public Address start() {
58 return reservedRegion().start();
59 }
60
61 public long capacity() { return 0; }
62 public long used() { return 0; }
63
64 public MemRegion reservedRegion() {
65 return new MemRegion(addr.addOffsetTo(reservedFieldOffset));
66 }
67
68 public boolean isIn(Address a) {
69 return isInReserved(a);
70 }
71
72 public boolean isInReserved(Address a) {
73 return reservedRegion().contains(a);
74 }
75
76 public abstract CollectedHeapName kind();
77
78 public void print() { printOn(System.out); }
79 public void printOn(PrintStream tty) {
80 MemRegion mr = reservedRegion();
81 tty.println("unknown subtype of CollectedHeap @ " + getAddress() + " (" +
82 mr.start() + "," + mr.end() + ")");
83 }
84 }
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1 /*
2 * Copyright (c) 2000, 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 *
57 public Address start() {
58 return reservedRegion().start();
59 }
60
61 public long capacity() { return 0; }
62 public long used() { return 0; }
63
64 public MemRegion reservedRegion() {
65 return new MemRegion(addr.addOffsetTo(reservedFieldOffset));
66 }
67
68 public boolean isIn(Address a) {
69 return isInReserved(a);
70 }
71
72 public boolean isInReserved(Address a) {
73 return reservedRegion().contains(a);
74 }
75
76 public abstract CollectedHeapName kind();
77
78 public OopHandle oop_load_at(OopHandle handle, long offset) {
79 return VM.getVM().isCompressedOopsEnabled()
80 ? handle.getCompOopHandleAt(offset)
81 : handle.getOopHandleAt(offset);
82 }
83
84 public String oopAddressDescription(OopHandle handle) {
85 return handle.toString();
86 }
87
88 public void print() { printOn(System.out); }
89 public void printOn(PrintStream tty) {
90 MemRegion mr = reservedRegion();
91 tty.println("unknown subtype of CollectedHeap @ " + getAddress() + " (" +
92 mr.start() + "," + mr.end() + ")");
93 }
94 }
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