Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/gc_implementation/parallelScavenge/PSYoungGen.java @ 1913:3b2dea75431e
6984311: JSR 292 needs optional bootstrap method parameters
Summary: Allow CONSTANT_InvokeDynamic nodes to have any number of extra operands.
Reviewed-by: twisti
| author | jrose |
|---|---|
| date | Sat, 30 Oct 2010 13:08:23 -0700 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2003, 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 * | |
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.gc_implementation.parallelScavenge; | |
| 26 | |
| 27 import java.io.*; | |
| 28 import java.util.*; | |
| 29 | |
| 30 import sun.jvm.hotspot.debugger.*; | |
| 31 import sun.jvm.hotspot.gc_implementation.shared.*; | |
| 32 import sun.jvm.hotspot.memory.*; | |
| 33 import sun.jvm.hotspot.runtime.*; | |
| 34 import sun.jvm.hotspot.types.*; | |
| 35 | |
| 36 public class PSYoungGen extends VMObject { | |
| 37 static { | |
| 38 VM.registerVMInitializedObserver(new Observer() { | |
| 39 public void update(Observable o, Object data) { | |
| 40 initialize(VM.getVM().getTypeDataBase()); | |
| 41 } | |
| 42 }); | |
| 43 } | |
| 44 | |
| 45 private static synchronized void initialize(TypeDataBase db) { | |
| 46 Type type = db.lookupType("PSYoungGen"); | |
| 47 edenSpaceField = type.getAddressField("_eden_space"); | |
| 48 fromSpaceField = type.getAddressField("_from_space"); | |
| 49 toSpaceField = type.getAddressField("_to_space"); | |
| 50 } | |
| 51 | |
| 52 public PSYoungGen(Address addr) { | |
| 53 super(addr); | |
| 54 } | |
| 55 | |
| 56 // Fields | |
| 57 private static AddressField edenSpaceField; | |
| 58 private static AddressField fromSpaceField; | |
| 59 private static AddressField toSpaceField; | |
| 60 | |
| 61 // Accessors | |
| 62 public MutableSpace edenSpace() { | |
| 63 return (MutableSpace) VMObjectFactory.newObject(MutableSpace.class, edenSpaceField.getValue(addr)); | |
| 64 } | |
| 65 | |
| 66 public MutableSpace fromSpace() { | |
| 67 return (MutableSpace) VMObjectFactory.newObject(MutableSpace.class, fromSpaceField.getValue(addr)); | |
| 68 } | |
| 69 | |
| 70 public MutableSpace toSpace() { | |
| 71 return (MutableSpace) VMObjectFactory.newObject(MutableSpace.class, toSpaceField.getValue(addr)); | |
| 72 } | |
| 73 | |
| 74 public long capacity() { | |
| 75 return edenSpace().capacity() + fromSpace().capacity(); | |
| 76 } | |
| 77 | |
| 78 public long used() { | |
| 79 return edenSpace().used() + fromSpace().used(); | |
| 80 } | |
| 81 | |
| 82 public boolean isIn(Address a) { | |
| 83 if (edenSpace().contains(a)) { | |
| 84 return true; | |
| 85 } | |
| 86 | |
| 87 if (fromSpace().contains(a)) { | |
| 88 return true; | |
| 89 } | |
| 90 return false; | |
| 91 } | |
| 92 | |
| 93 public void printOn(PrintStream tty) { | |
| 94 tty.print("PSYoungGen [ "); | |
| 95 tty.print("eden = "); | |
| 96 edenSpace().printOn(tty); | |
| 97 tty.print(", from = "); | |
| 98 fromSpace().printOn(tty); | |
| 99 tty.print(", to = "); | |
| 100 toSpace().printOn(tty); | |
| 101 tty.print(" ] "); | |
| 102 } | |
| 103 } |