Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/opto/Compile.java @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | f6f3bb0ee072 |
| children | 79f492f184d0 |
| rev | line source |
|---|---|
| 3939 | 1 /* |
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6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3939
diff
changeset
|
2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
| 3939 | 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.opto; | |
| 26 | |
| 27 import java.util.*; | |
| 28 import sun.jvm.hotspot.ci.*; | |
| 29 import sun.jvm.hotspot.debugger.*; | |
| 30 import sun.jvm.hotspot.runtime.*; | |
| 31 import sun.jvm.hotspot.oops.*; | |
| 32 import sun.jvm.hotspot.types.*; | |
| 33 | |
| 34 public class Compile extends VMObject { | |
| 35 static { | |
| 36 VM.registerVMInitializedObserver(new Observer() { | |
| 37 public void update(Observable o, Object data) { | |
| 38 initialize(VM.getVM().getTypeDataBase()); | |
| 39 } | |
| 40 }); | |
| 41 } | |
| 42 | |
| 43 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { | |
| 44 Type type = db.lookupType("Compile"); | |
| 45 rootField = type.getAddressField("_root"); | |
| 46 uniqueField = new CIntField(type.getCIntegerField("_unique"), 0); | |
| 47 entryBciField = new CIntField(type.getCIntegerField("_entry_bci"), 0); | |
| 48 topField = type.getAddressField("_top"); | |
| 49 cfgField = type.getAddressField("_cfg"); | |
| 50 regallocField = type.getAddressField("_regalloc"); | |
| 51 methodField = type.getAddressField("_method"); | |
| 52 iltField = type.getAddressField("_ilt"); | |
| 53 } | |
| 54 | |
| 55 private static AddressField rootField; | |
| 56 private static CIntField uniqueField; | |
| 57 private static CIntField entryBciField; | |
| 58 private static AddressField topField; | |
| 59 private static AddressField cfgField; | |
| 60 private static AddressField regallocField; | |
| 61 private static AddressField methodField; | |
| 62 private static AddressField iltField; | |
| 63 | |
| 64 public Compile(Address addr) { | |
| 65 super(addr); | |
| 66 } | |
| 67 | |
| 68 public Node root() { | |
| 69 return new RootNode(rootField.getValue(this.getAddress())); | |
| 70 } | |
| 71 | |
| 72 public int entryBci() { | |
| 73 return (int)entryBciField.getValue(getAddress()); | |
| 74 } | |
| 75 | |
| 76 public ciMethod method() { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3939
diff
changeset
|
77 return (ciMethod) ciObjectFactory.getMetadata(methodField.getValue(getAddress())); |
| 3939 | 78 } |
| 79 | |
| 80 public PhaseCFG cfg() { | |
| 81 Address a = cfgField.getValue(this.getAddress()); | |
| 82 if (a != null) { | |
| 83 return new PhaseCFG(a); | |
| 84 } | |
| 85 return null; | |
| 86 } | |
| 87 | |
| 88 public InlineTree ilt() { | |
| 89 Address a = iltField.getValue(this.getAddress()); | |
| 90 if (a != null) { | |
| 91 return new InlineTree(a); | |
| 92 } | |
| 93 return null; | |
| 94 } | |
| 95 } |