Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/memory/CompactingPermGenGen.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | a61af66fc99e |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
2 * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.memory; | |
| 26 | |
| 27 import java.io.*; | |
| 28 import java.util.*; | |
| 29 | |
| 30 import sun.jvm.hotspot.debugger.*; | |
| 31 import sun.jvm.hotspot.runtime.*; | |
| 32 import sun.jvm.hotspot.types.*; | |
| 33 | |
| 34 /** This is the "generation" view of a CompactingPermGen. */ | |
| 35 public class CompactingPermGenGen extends OneContigSpaceCardGeneration { | |
| 36 private static AddressField unsharedBottomField; | |
| 37 private static AddressField unsharedEndField; | |
| 38 private static AddressField sharedBottomField; | |
| 39 private static AddressField sharedEndField; | |
| 40 private static AddressField readOnlyBottomField; | |
| 41 private static AddressField readOnlyEndField; | |
| 42 private static AddressField readWriteBottomField; | |
| 43 private static AddressField readWriteEndField; | |
| 44 private static AddressField roSpaceField; | |
| 45 private static AddressField rwSpaceField; | |
| 46 | |
| 47 static { | |
| 48 VM.registerVMInitializedObserver(new Observer() { | |
| 49 public void update(Observable o, Object data) { | |
| 50 initialize(VM.getVM().getTypeDataBase()); | |
| 51 } | |
| 52 }); | |
| 53 } | |
| 54 | |
| 55 private static synchronized void initialize(TypeDataBase db) { | |
| 56 Type type = db.lookupType("CompactingPermGenGen"); | |
| 57 unsharedBottomField = type.getAddressField("unshared_bottom"); | |
| 58 unsharedEndField = type.getAddressField("unshared_end"); | |
| 59 sharedBottomField = type.getAddressField("shared_bottom"); | |
| 60 sharedEndField = type.getAddressField("shared_end"); | |
| 61 readOnlyBottomField = type.getAddressField("readonly_bottom"); | |
| 62 readOnlyEndField = type.getAddressField("readonly_end"); | |
| 63 readWriteBottomField = type.getAddressField("readwrite_bottom"); | |
| 64 readWriteEndField = type.getAddressField("readwrite_end"); | |
| 65 roSpaceField = type.getAddressField("_ro_space"); | |
| 66 rwSpaceField = type.getAddressField("_rw_space"); | |
| 67 } | |
| 68 | |
| 69 public boolean isSharingEnabled() { | |
| 70 return VM.getVM().isSharingEnabled(); | |
| 71 } | |
| 72 | |
| 73 // NEEDS_CLEANUP | |
| 74 public CompactingPermGenGen(Address addr) { | |
| 75 super(addr); | |
| 76 } | |
| 77 | |
| 78 public OffsetTableContigSpace roSpace() { | |
| 79 return newOffsetTableContigSpace(roSpaceField.getValue(addr)); | |
| 80 } | |
| 81 | |
| 82 public OffsetTableContigSpace rwSpace() { | |
| 83 return newOffsetTableContigSpace(rwSpaceField.getValue(addr)); | |
| 84 } | |
| 85 | |
| 86 public String name() { | |
| 87 return "compacting permanent generation"; | |
| 88 } | |
| 89 | |
| 90 public static Address unsharedBottom() { | |
| 91 return unsharedBottomField.getValue(); | |
| 92 } | |
| 93 | |
| 94 public static Address unsharedEnd() { | |
| 95 return unsharedEndField.getValue(); | |
| 96 } | |
| 97 | |
| 98 public static Address sharedBottom() { | |
| 99 return sharedBottomField.getValue(); | |
| 100 } | |
| 101 | |
| 102 public static Address sharedEnd() { | |
| 103 return sharedEndField.getValue(); | |
| 104 } | |
| 105 | |
| 106 public static Address readOnlyBottom() { | |
| 107 return readOnlyBottomField.getValue(); | |
| 108 } | |
| 109 | |
| 110 public static Address readOnlyEnd() { | |
| 111 return readOnlyEndField.getValue(); | |
| 112 } | |
| 113 | |
| 114 public static Address readWriteBottom() { | |
| 115 return readWriteBottomField.getValue(); | |
| 116 } | |
| 117 | |
| 118 public static Address readWriteEnd() { | |
| 119 return readWriteEndField.getValue(); | |
| 120 } | |
| 121 | |
| 122 public static boolean isShared(Address p) { | |
| 123 return sharedBottom().lessThanOrEqual(p) && sharedEnd().greaterThan(p); | |
| 124 } | |
| 125 | |
| 126 public static boolean isSharedReadOnly(Address p) { | |
| 127 return readOnlyBottom().lessThanOrEqual(p) && readOnlyEnd().greaterThan(p); | |
| 128 } | |
| 129 | |
| 130 public static boolean isSharedReadWrite(Address p) { | |
| 131 return readWriteBottom().lessThanOrEqual(p) && readWriteEnd().greaterThan(p); | |
| 132 } | |
| 133 | |
| 134 public boolean isIn(Address p) { | |
| 135 return unsharedBottom().lessThanOrEqual(p) && sharedEnd().greaterThan(p); | |
| 136 } | |
| 137 | |
| 138 public void spaceIterate(SpaceClosure blk, boolean usedOnly) { | |
| 139 super.spaceIterate(blk, usedOnly); | |
| 140 if (isSharingEnabled()) { | |
| 141 blk.doSpace(roSpace()); | |
| 142 blk.doSpace(rwSpace()); | |
| 143 } | |
| 144 } | |
| 145 | |
| 146 public void printOn(PrintStream tty) { | |
| 147 tty.print(" perm"); | |
| 148 theSpace().printOn(tty); | |
| 149 if (isSharingEnabled()) { | |
| 150 tty.print(" ro space: "); | |
| 151 roSpace().printOn(tty); | |
| 152 tty.print(", rw space: "); | |
| 153 rwSpace().printOn(tty); | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 private OffsetTableContigSpace newOffsetTableContigSpace(Address addr) { | |
| 158 return (OffsetTableContigSpace) VMObjectFactory.newObject( | |
| 159 OffsetTableContigSpace.class, addr); | |
| 160 } | |
| 161 } |