1 /*
2 * Copyright (c) 2000, 2017, 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 *
23 */
24
25 package sun.jvm.hotspot.memory;
26
27 import java.io.PrintStream;
28 import java.util.Observable;
29 import java.util.Observer;
30
31 import sun.jvm.hotspot.debugger.Address;
32 import sun.jvm.hotspot.debugger.OopHandle;
33 import sun.jvm.hotspot.gc.cms.CMSHeap;
34 import sun.jvm.hotspot.gc.epsilon.EpsilonHeap;
35 import sun.jvm.hotspot.gc.g1.G1CollectedHeap;
36 import sun.jvm.hotspot.gc.parallel.ParallelScavengeHeap;
37 import sun.jvm.hotspot.gc.serial.SerialHeap;
38 import sun.jvm.hotspot.gc.shared.CollectedHeap;
39 import sun.jvm.hotspot.gc.z.ZCollectedHeap;
40 import sun.jvm.hotspot.oops.Oop;
41 import sun.jvm.hotspot.runtime.BasicType;
42 import sun.jvm.hotspot.runtime.VM;
43 import sun.jvm.hotspot.runtime.VirtualConstructor;
44 import sun.jvm.hotspot.types.AddressField;
45 import sun.jvm.hotspot.types.CIntegerField;
46 import sun.jvm.hotspot.types.Type;
47 import sun.jvm.hotspot.types.TypeDataBase;
48
49
50 public class Universe {
51 private static AddressField collectedHeapField;
52 private static VirtualConstructor heapConstructor;
53 private static sun.jvm.hotspot.types.OopField mainThreadGroupField;
54 private static sun.jvm.hotspot.types.OopField systemThreadGroupField;
55
56 // single dimensional primitive array klasses
57 private static sun.jvm.hotspot.types.AddressField boolArrayKlassField;
58 private static sun.jvm.hotspot.types.AddressField byteArrayKlassField;
93
94 private static void addHeapTypeIfInDB(TypeDataBase db, Class heapClass) {
95 String heapName = heapClass.getSimpleName();
96 if (typeExists(db, heapName)) {
97 heapConstructor.addMapping(heapName, heapClass);
98 }
99 }
100
101 private static synchronized void initialize(TypeDataBase db) {
102 Type type = db.lookupType("Universe");
103
104 collectedHeapField = type.getAddressField("_collectedHeap");
105
106 heapConstructor = new VirtualConstructor(db);
107 addHeapTypeIfInDB(db, CMSHeap.class);
108 addHeapTypeIfInDB(db, SerialHeap.class);
109 addHeapTypeIfInDB(db, ParallelScavengeHeap.class);
110 addHeapTypeIfInDB(db, G1CollectedHeap.class);
111 addHeapTypeIfInDB(db, EpsilonHeap.class);
112 addHeapTypeIfInDB(db, ZCollectedHeap.class);
113
114 mainThreadGroupField = type.getOopField("_main_thread_group");
115 systemThreadGroupField = type.getOopField("_system_thread_group");
116
117 boolArrayKlassField = type.getAddressField("_boolArrayKlassObj");
118 byteArrayKlassField = type.getAddressField("_byteArrayKlassObj");
119 charArrayKlassField = type.getAddressField("_charArrayKlassObj");
120 intArrayKlassField = type.getAddressField("_intArrayKlassObj");
121 shortArrayKlassField = type.getAddressField("_shortArrayKlassObj");
122 longArrayKlassField = type.getAddressField("_longArrayKlassObj");
123 singleArrayKlassField = type.getAddressField("_singleArrayKlassObj");
124 doubleArrayKlassField = type.getAddressField("_doubleArrayKlassObj");
125
126 narrowOopBaseField = type.getAddressField("_narrow_oop._base");
127 narrowOopShiftField = type.getCIntegerField("_narrow_oop._shift");
128 narrowKlassBaseField = type.getAddressField("_narrow_klass._base");
129 narrowKlassShiftField = type.getCIntegerField("_narrow_klass._shift");
130
131 UniverseExt.initialize(heapConstructor);
132 }
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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 *
23 */
24
25 package sun.jvm.hotspot.memory;
26
27 import java.io.PrintStream;
28 import java.util.Observable;
29 import java.util.Observer;
30
31 import sun.jvm.hotspot.debugger.Address;
32 import sun.jvm.hotspot.debugger.OopHandle;
33 import sun.jvm.hotspot.gc.cms.CMSHeap;
34 import sun.jvm.hotspot.gc.epsilon.EpsilonHeap;
35 import sun.jvm.hotspot.gc.g1.G1CollectedHeap;
36 import sun.jvm.hotspot.gc.parallel.ParallelScavengeHeap;
37 import sun.jvm.hotspot.gc.serial.SerialHeap;
38 import sun.jvm.hotspot.gc.shared.CollectedHeap;
39 import sun.jvm.hotspot.gc.shenandoah.ShenandoahHeap;
40 import sun.jvm.hotspot.gc.z.ZCollectedHeap;
41 import sun.jvm.hotspot.oops.Oop;
42 import sun.jvm.hotspot.runtime.BasicType;
43 import sun.jvm.hotspot.runtime.VM;
44 import sun.jvm.hotspot.runtime.VirtualConstructor;
45 import sun.jvm.hotspot.types.AddressField;
46 import sun.jvm.hotspot.types.CIntegerField;
47 import sun.jvm.hotspot.types.Type;
48 import sun.jvm.hotspot.types.TypeDataBase;
49
50
51 public class Universe {
52 private static AddressField collectedHeapField;
53 private static VirtualConstructor heapConstructor;
54 private static sun.jvm.hotspot.types.OopField mainThreadGroupField;
55 private static sun.jvm.hotspot.types.OopField systemThreadGroupField;
56
57 // single dimensional primitive array klasses
58 private static sun.jvm.hotspot.types.AddressField boolArrayKlassField;
59 private static sun.jvm.hotspot.types.AddressField byteArrayKlassField;
94
95 private static void addHeapTypeIfInDB(TypeDataBase db, Class heapClass) {
96 String heapName = heapClass.getSimpleName();
97 if (typeExists(db, heapName)) {
98 heapConstructor.addMapping(heapName, heapClass);
99 }
100 }
101
102 private static synchronized void initialize(TypeDataBase db) {
103 Type type = db.lookupType("Universe");
104
105 collectedHeapField = type.getAddressField("_collectedHeap");
106
107 heapConstructor = new VirtualConstructor(db);
108 addHeapTypeIfInDB(db, CMSHeap.class);
109 addHeapTypeIfInDB(db, SerialHeap.class);
110 addHeapTypeIfInDB(db, ParallelScavengeHeap.class);
111 addHeapTypeIfInDB(db, G1CollectedHeap.class);
112 addHeapTypeIfInDB(db, EpsilonHeap.class);
113 addHeapTypeIfInDB(db, ZCollectedHeap.class);
114 addHeapTypeIfInDB(db, ShenandoahHeap.class);
115
116 mainThreadGroupField = type.getOopField("_main_thread_group");
117 systemThreadGroupField = type.getOopField("_system_thread_group");
118
119 boolArrayKlassField = type.getAddressField("_boolArrayKlassObj");
120 byteArrayKlassField = type.getAddressField("_byteArrayKlassObj");
121 charArrayKlassField = type.getAddressField("_charArrayKlassObj");
122 intArrayKlassField = type.getAddressField("_intArrayKlassObj");
123 shortArrayKlassField = type.getAddressField("_shortArrayKlassObj");
124 longArrayKlassField = type.getAddressField("_longArrayKlassObj");
125 singleArrayKlassField = type.getAddressField("_singleArrayKlassObj");
126 doubleArrayKlassField = type.getAddressField("_doubleArrayKlassObj");
127
128 narrowOopBaseField = type.getAddressField("_narrow_oop._base");
129 narrowOopShiftField = type.getCIntegerField("_narrow_oop._shift");
130 narrowKlassBaseField = type.getAddressField("_narrow_klass._base");
131 narrowKlassShiftField = type.getCIntegerField("_narrow_klass._shift");
132
133 UniverseExt.initialize(heapConstructor);
134 }
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