--- old/agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/HeapRegionSeq.java 2014-08-28 11:39:15.521760712 +0200 +++ /dev/null 2014-08-11 17:55:13.749734341 +0200 @@ -1,88 +0,0 @@ -/* - * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - * - */ - -package sun.jvm.hotspot.gc_implementation.g1; - -import java.util.Iterator; -import java.util.Observable; -import java.util.Observer; - -import sun.jvm.hotspot.debugger.Address; -import sun.jvm.hotspot.runtime.VM; -import sun.jvm.hotspot.runtime.VMObject; -import sun.jvm.hotspot.runtime.VMObjectFactory; -import sun.jvm.hotspot.types.AddressField; -import sun.jvm.hotspot.types.CIntegerField; -import sun.jvm.hotspot.types.Type; -import sun.jvm.hotspot.types.TypeDataBase; - -// Mirror class for HeapRegionSeq. It essentially encapsulates the G1HeapRegionTable. - -public class HeapRegionSeq extends VMObject { - // G1HeapRegionTable _regions - static private long regionsFieldOffset; - // uint _committed_length - static private CIntegerField numCommittedField; - - static { - VM.registerVMInitializedObserver(new Observer() { - public void update(Observable o, Object data) { - initialize(VM.getVM().getTypeDataBase()); - } - }); - } - - static private synchronized void initialize(TypeDataBase db) { - Type type = db.lookupType("HeapRegionSeq"); - - regionsFieldOffset = type.getField("_regions").getOffset(); - numCommittedField = type.getCIntegerField("_num_committed"); - } - - private G1HeapRegionTable regions() { - Address regionsAddr = addr.addOffsetTo(regionsFieldOffset); - return (G1HeapRegionTable) VMObjectFactory.newObject(G1HeapRegionTable.class, - regionsAddr); - } - - public long capacity() { - return length() * HeapRegion.grainBytes(); - } - - public long length() { - return regions().length(); - } - - public long committedLength() { - return numCommittedField.getValue(addr); - } - - public Iterator heapRegionIterator() { - return regions().heapRegionIterator(length()); - } - - public HeapRegionSeq(Address addr) { - super(addr); - } -} --- /dev/null 2014-08-11 17:55:13.749734341 +0200 +++ new/agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/HeapRegionManager.java 2014-08-28 11:39:15.446758513 +0200 @@ -0,0 +1,88 @@ +/* + * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +package sun.jvm.hotspot.gc_implementation.g1; + +import java.util.Iterator; +import java.util.Observable; +import java.util.Observer; + +import sun.jvm.hotspot.debugger.Address; +import sun.jvm.hotspot.runtime.VM; +import sun.jvm.hotspot.runtime.VMObject; +import sun.jvm.hotspot.runtime.VMObjectFactory; +import sun.jvm.hotspot.types.AddressField; +import sun.jvm.hotspot.types.CIntegerField; +import sun.jvm.hotspot.types.Type; +import sun.jvm.hotspot.types.TypeDataBase; + +// Mirror class for HeapRegionManager. + +public class HeapRegionManager extends VMObject { + // G1HeapRegionTable _regions + static private long regionsFieldOffset; + // uint _committed_length + static private CIntegerField numCommittedField; + + static { + VM.registerVMInitializedObserver(new Observer() { + public void update(Observable o, Object data) { + initialize(VM.getVM().getTypeDataBase()); + } + }); + } + + static private synchronized void initialize(TypeDataBase db) { + Type type = db.lookupType("HeapRegionManager"); + + regionsFieldOffset = type.getField("_regions").getOffset(); + numCommittedField = type.getCIntegerField("_num_committed"); + } + + private G1HeapRegionTable regions() { + Address regionsAddr = addr.addOffsetTo(regionsFieldOffset); + return (G1HeapRegionTable) VMObjectFactory.newObject(G1HeapRegionTable.class, + regionsAddr); + } + + public long capacity() { + return length() * HeapRegion.grainBytes(); + } + + public long length() { + return regions().length(); + } + + public long committedLength() { + return numCommittedField.getValue(addr); + } + + public Iterator heapRegionIterator() { + return regions().heapRegionIterator(length()); + } + + public HeapRegionManager(Address addr) { + super(addr); + } +}