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.gc.z;
26
27 import sun.jvm.hotspot.runtime.VM;
28 import sun.jvm.hotspot.types.Field;
29 import sun.jvm.hotspot.types.Type;
30 import sun.jvm.hotspot.types.TypeDataBase;
31
32 public class ZGlobals {
33 private static Field instanceField;
34
35 // Global phase state
36 public static int ZPhaseRelocate;
37
38 public static byte ZPageTypeSmall;
39 public static byte ZPageTypeMedium;
40 public static byte ZPageTypeLarge;
41
42 // Page size shifts
43 public static long ZPageSizeSmallShift;
44 public static long ZPageSizeMediumShift;
45 public static long ZPageSizeMinShift;
46
47 // Object alignment shifts
48 public static int ZObjectAlignmentMediumShift;
49 public static int ZObjectAlignmentLargeShift;
50
51 // Pointer part of address
52 public static long ZAddressOffsetShift;
53
54 // Pointer part of address
55 public static long ZAddressOffsetBits;
56 public static long ZAddressOffsetMask;
57
58 // Address space start/end/size
59 public static long ZAddressSpaceStart;
60
61 static {
62 VM.registerVMInitializedObserver((o, d) -> initialize(VM.getVM().getTypeDataBase()));
63 }
64
65 static private synchronized void initialize(TypeDataBase db) {
66 Type type = db.lookupType("ZGlobalsForVMStructs");
67
68 instanceField = type.getField("_instance_p");
69
70 ZPhaseRelocate = db.lookupIntConstant("ZPhaseRelocate").intValue();
71
72 ZPageTypeSmall = db.lookupIntConstant("ZPageTypeSmall").byteValue();
73 ZPageTypeMedium = db.lookupIntConstant("ZPageTypeMedium").byteValue();
74 ZPageTypeLarge = db.lookupIntConstant("ZPageTypeLarge").byteValue();
75
76 ZPageSizeSmallShift = db.lookupLongConstant("ZPageSizeSmallShift").longValue();
77 ZPageSizeMediumShift = db.lookupLongConstant("ZPageSizeMediumShift").longValue();
78 ZPageSizeMinShift = db.lookupLongConstant("ZPageSizeMinShift").longValue();
79
80 ZObjectAlignmentMediumShift = db.lookupIntConstant("ZObjectAlignmentMediumShift").intValue();
81 ZObjectAlignmentLargeShift = db.lookupIntConstant("ZObjectAlignmentLargeShift").intValue();;
82
83 ZAddressOffsetShift = db.lookupLongConstant("ZAddressOffsetShift").longValue();
84
85 ZAddressOffsetBits = db.lookupLongConstant("ZAddressOffsetBits").longValue();
86 ZAddressOffsetMask = db.lookupLongConstant("ZAddressOffsetMask").longValue();
87
88 ZAddressSpaceStart = db.lookupLongConstant("ZAddressSpaceStart").longValue();
89 }
90
91 private static ZGlobalsForVMStructs instance() {
92 return new ZGlobalsForVMStructs(instanceField.getAddress());
93 }
94
95 public static int ZGlobalPhase() {
96 return instance().ZGlobalPhase();
97 }
98
99 public static long ZAddressGoodMask() {
100 return instance().ZAddressGoodMask();
101 }
102
103 public static long ZAddressBadMask() {
104 return instance().ZAddressBadMask();
105 }
106
107 public static long ZAddressWeakBadMask() {
108 return instance().ZAddressWeakBadMask();
|
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.gc.z;
26
27 import sun.jvm.hotspot.debugger.Address;
28 import sun.jvm.hotspot.runtime.VM;
29 import sun.jvm.hotspot.types.Field;
30 import sun.jvm.hotspot.types.Type;
31 import sun.jvm.hotspot.types.TypeDataBase;
32
33 public class ZGlobals {
34 private static Field instanceField;
35
36 // Global phase state
37 public static int ZPhaseRelocate;
38
39 public static byte ZPageTypeSmall;
40 public static byte ZPageTypeMedium;
41 public static byte ZPageTypeLarge;
42
43 // Page size shifts
44 public static long ZPageSizeSmallShift;
45 public static long ZPageSizeMediumShift;
46 public static long ZPageSizeMinShift;
47
48 // Object alignment shifts
49 public static int ZObjectAlignmentMediumShift;
50 public static int ZObjectAlignmentLargeShift;
51
52 // Pointer part of address
53 public static long ZAddressOffsetShift;
54
55 // Pointer part of address
56 public static long ZAddressOffsetBits;
57 public static long ZAddressOffsetMask;
58 public static long ZAddressOffsetMax;
59
60 // Address space start/end/size
61 public static Address ZAddressSpaceStart;
62
63 static {
64 VM.registerVMInitializedObserver((o, d) -> initialize(VM.getVM().getTypeDataBase()));
65 }
66
67 static private synchronized void initialize(TypeDataBase db) {
68 Type type = db.lookupType("ZGlobalsForVMStructs");
69
70 instanceField = type.getField("_instance_p");
71
72 ZPhaseRelocate = db.lookupIntConstant("ZPhaseRelocate").intValue();
73
74 ZPageTypeSmall = db.lookupIntConstant("ZPageTypeSmall").byteValue();
75 ZPageTypeMedium = db.lookupIntConstant("ZPageTypeMedium").byteValue();
76 ZPageTypeLarge = db.lookupIntConstant("ZPageTypeLarge").byteValue();
77
78 ZPageSizeSmallShift = db.lookupLongConstant("ZPageSizeSmallShift").longValue();
79 ZPageSizeMediumShift = db.lookupLongConstant("ZPageSizeMediumShift").longValue();
80 ZPageSizeMinShift = db.lookupLongConstant("ZPageSizeMinShift").longValue();
81
82 ZObjectAlignmentMediumShift = db.lookupIntConstant("ZObjectAlignmentMediumShift").intValue();
83 ZObjectAlignmentLargeShift = db.lookupIntConstant("ZObjectAlignmentLargeShift").intValue();;
84
85 ZAddressOffsetShift = db.lookupLongConstant("ZAddressOffsetShift").longValue();
86
87 ZAddressOffsetBits = db.lookupLongConstant("ZAddressOffsetBits").longValue();
88 ZAddressOffsetMask = db.lookupLongConstant("ZAddressOffsetMask").longValue();
89 ZAddressOffsetMax = db.lookupLongConstant("ZAddressOffsetMax").longValue();
90
91 ZAddressSpaceStart = VM.getVM().getDebugger().parseAddress(
92 "0x" + Long.toUnsignedString(db.lookupLongConstant("ZAddressSpaceStart").longValue(), 16));
93 }
94
95 private static ZGlobalsForVMStructs instance() {
96 return new ZGlobalsForVMStructs(instanceField.getAddress());
97 }
98
99 public static int ZGlobalPhase() {
100 return instance().ZGlobalPhase();
101 }
102
103 public static long ZAddressGoodMask() {
104 return instance().ZAddressGoodMask();
105 }
106
107 public static long ZAddressBadMask() {
108 return instance().ZAddressBadMask();
109 }
110
111 public static long ZAddressWeakBadMask() {
112 return instance().ZAddressWeakBadMask();
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