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 *
23 */
24
25 package sun.jvm.hotspot.gc.shared;
26
27 import java.io.*;
28 import java.util.*;
29
30 import sun.jvm.hotspot.debugger.*;
31 import sun.jvm.hotspot.memory.*;
32 import sun.jvm.hotspot.runtime.*;
33 import sun.jvm.hotspot.types.*;
34
35 public abstract class CollectedHeap extends VMObject {
36 private static long reservedFieldOffset;
37
38 static {
39 VM.registerVMInitializedObserver(new Observer() {
40 public void update(Observable o, Object data) {
41 initialize(VM.getVM().getTypeDataBase());
42 }
43 });
44 }
45
46 private static synchronized void initialize(TypeDataBase db) {
47 Type type = db.lookupType("CollectedHeap");
48
49 reservedFieldOffset = type.getField("_reserved").getOffset();
50 }
51
52 public CollectedHeap(Address addr) {
53 super(addr);
75
76 public abstract CollectedHeapName kind();
77
78 public String oopAddressDescription(OopHandle handle) {
79 return handle.toString();
80 }
81
82 public OopHandle oop_load_at(OopHandle handle, long offset) {
83 return handle.getOopHandleAt(offset);
84 }
85
86 public OopHandle oop_load_in_native(Address addr) {
87 return addr.getOopHandleAt(0);
88 }
89
90 public void print() { printOn(System.out); }
91 public void printOn(PrintStream tty) {
92 MemRegion mr = reservedRegion();
93 tty.println("unknown subtype of CollectedHeap @ " + getAddress() + " (" +
94 mr.start() + "," + mr.end() + ")");
95 }
96 }
|
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 *
23 */
24
25 package sun.jvm.hotspot.gc.shared;
26
27 import java.io.*;
28 import java.util.*;
29
30 import sun.jvm.hotspot.debugger.*;
31 import sun.jvm.hotspot.memory.*;
32 import sun.jvm.hotspot.runtime.*;
33 import sun.jvm.hotspot.types.*;
34 import sun.jvm.hotspot.utilities.BitMapInterface;
35 import sun.jvm.hotspot.utilities.BitMapSegmented;
36
37 public abstract class CollectedHeap extends VMObject {
38 private static long reservedFieldOffset;
39
40 static {
41 VM.registerVMInitializedObserver(new Observer() {
42 public void update(Observable o, Object data) {
43 initialize(VM.getVM().getTypeDataBase());
44 }
45 });
46 }
47
48 private static synchronized void initialize(TypeDataBase db) {
49 Type type = db.lookupType("CollectedHeap");
50
51 reservedFieldOffset = type.getField("_reserved").getOffset();
52 }
53
54 public CollectedHeap(Address addr) {
55 super(addr);
77
78 public abstract CollectedHeapName kind();
79
80 public String oopAddressDescription(OopHandle handle) {
81 return handle.toString();
82 }
83
84 public OopHandle oop_load_at(OopHandle handle, long offset) {
85 return handle.getOopHandleAt(offset);
86 }
87
88 public OopHandle oop_load_in_native(Address addr) {
89 return addr.getOopHandleAt(0);
90 }
91
92 public void print() { printOn(System.out); }
93 public void printOn(PrintStream tty) {
94 MemRegion mr = reservedRegion();
95 tty.println("unknown subtype of CollectedHeap @ " + getAddress() + " (" +
96 mr.start() + "," + mr.end() + ")");
97 }
98
99 public BitMapInterface createBitMap(long bits) {
100 return new BitMapSegmented(bits);
101 }
102 }
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