Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/gc_interface/CollectedHeap.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) 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 * | |
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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_interface; | |
| 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 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); | |
| 54 } | |
| 55 | |
| 56 /** Returns the lowest address of the heap. */ | |
| 57 public Address start() { | |
| 58 return reservedRegion().start(); | |
| 59 } | |
| 60 | |
| 61 public long capacity() { return 0; } | |
| 62 public long used() { return 0; } | |
| 63 | |
| 64 public MemRegion reservedRegion() { | |
| 65 return new MemRegion(addr.addOffsetTo(reservedFieldOffset)); | |
| 66 } | |
| 67 | |
| 68 public boolean isIn(Address a) { | |
| 69 return isInReserved(a); | |
| 70 } | |
| 71 | |
| 72 public boolean isInReserved(Address a) { | |
| 73 return reservedRegion().contains(a); | |
| 74 } | |
| 75 | |
| 76 public CollectedHeapName kind() { | |
| 77 return CollectedHeapName.ABSTRACT; | |
| 78 } | |
| 79 | |
| 80 public void print() { printOn(System.out); } | |
| 81 public void printOn(PrintStream tty) { | |
| 82 MemRegion mr = reservedRegion(); | |
| 83 tty.println("unknown subtype of CollectedHeap @ " + getAddress() + " (" + | |
| 84 mr.start() + "," + mr.end() + ")"); | |
| 85 } | |
| 86 } |