graal-jvmci-8: agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/HeapRegion.java annotate

annotate agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/HeapRegion.java @ 24234:ea6f94ab283b default tip

Added tag jvmci-0.36 for changeset 8128b98d4736

author	Gilles Duboscq <gilles.m.duboscq@oracle.com>
date	Mon, 18 Sep 2017 18:49:45 +0200
parents	1526a938e670
children

rev	line source
3972 4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	1 /*
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	4 *
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	7 * published by the Free Software Foundation.
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	8 *
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	13 * accompanied this code).
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	14 *
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	18 *
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	21 * questions.
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	22 *
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	23 */
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	24
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	25 package sun.jvm.hotspot.gc_implementation.g1;
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	26
20276 1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	27 import java.util.ArrayList;
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	28 import java.util.List;
3972 4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	29 import java.util.Observable;
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	30 import java.util.Observer;
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	31 import sun.jvm.hotspot.debugger.Address;
20276 1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	32 import sun.jvm.hotspot.memory.CompactibleSpace;
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	33 import sun.jvm.hotspot.memory.MemRegion;
3972 4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	34 import sun.jvm.hotspot.runtime.VM;
20276 1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	35 import sun.jvm.hotspot.types.AddressField;
3972 4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	36 import sun.jvm.hotspot.types.CIntegerField;
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	37 import sun.jvm.hotspot.types.Type;
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	38 import sun.jvm.hotspot.types.TypeDataBase;
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	39
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	40 // Mirror class for HeapRegion. Currently we don't actually include
20276 1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	41 // any of its fields but only iterate over it.
3972 4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	42
20276 1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	43 public class HeapRegion extends CompactibleSpace {
3972 4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	44 // static int GrainBytes;
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	45 static private CIntegerField grainBytesField;
20276 1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	46 static private AddressField topField;
3972 4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	47
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	48 static {
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	49 VM.registerVMInitializedObserver(new Observer() {
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	50 public void update(Observable o, Object data) {
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	51 initialize(VM.getVM().getTypeDataBase());
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	52 }
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	53 });
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	54 }
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	55
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	56 static private synchronized void initialize(TypeDataBase db) {
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	57 Type type = db.lookupType("HeapRegion");
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	58
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	59 grainBytesField = type.getCIntegerField("GrainBytes");
20276 1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	60 topField = type.getAddressField("_top");
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	61
3972 4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	62 }
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	63
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	64 static public long grainBytes() {
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	65 return grainBytesField.getValue();
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	66 }
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	67
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	68 public HeapRegion(Address addr) {
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	69 super(addr);
4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	70 }
20276 1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	71
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	72 public Address top() {
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	73 return topField.getValue(addr);
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	74 }
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	75
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	76 @Override
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	77 public List getLiveRegions() {
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	78 List res = new ArrayList();
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	79 res.add(new MemRegion(bottom(), top()));
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	80 return res;
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	81 }
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	82
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	83 @Override
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	84 public long used() {
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	85 return top().minus(bottom());
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	86 }
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	87
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	88 @Override
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	89 public long free() {
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	90 return end().minus(top());
1526a938e670 8047818: G1 HeapRegions can no longer be ContiguousSpaces mgerdin parents: 3972 diff changeset	91 }
3972 4f93f0d00802 7059019: G1: add G1 support to the SA tonyp parents: diff changeset	92 }

Mercurial > hg > graal-jvmci-8

annotate agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/HeapRegion.java @ 24234:ea6f94ab283b default tip