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comparison agent/src/share/classes/sun/jvm/hotspot/ci/ciObjectFactory.java @ 6725:da91efe96a93

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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
comparison
equal deleted inserted replaced
6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
42 } 42 }
43 43
44 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { 44 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
45 Type type = db.lookupType("ciObjectFactory"); 45 Type type = db.lookupType("ciObjectFactory");
46 unloadedMethodsField = type.getAddressField("_unloaded_methods"); 46 unloadedMethodsField = type.getAddressField("_unloaded_methods");
47 ciObjectsField = type.getAddressField("_ci_objects"); 47 ciMetadataField = type.getAddressField("_ci_metadata");
48 symbolsField = type.getAddressField("_symbols"); 48 symbolsField = type.getAddressField("_symbols");
49 49
50 ciObjectConstructor = new VirtualBaseConstructor<ciObject>(db, db.lookupType("ciObject"), "sun.jvm.hotspot.ci", ciObject.class); 50 ciObjectConstructor = new VirtualBaseConstructor<ciObject>(db, db.lookupType("ciObject"), "sun.jvm.hotspot.ci", ciObject.class);
51 ciMetadataConstructor = new VirtualBaseConstructor<ciMetadata>(db, db.lookupType("ciMetadata"), "sun.jvm.hotspot.ci", ciMetadata.class);
51 ciSymbolConstructor = new VirtualBaseConstructor<ciSymbol>(db, db.lookupType("ciSymbol"), "sun.jvm.hotspot.ci", ciSymbol.class); 52 ciSymbolConstructor = new VirtualBaseConstructor<ciSymbol>(db, db.lookupType("ciSymbol"), "sun.jvm.hotspot.ci", ciSymbol.class);
52 } 53 }
53 54
54 private static AddressField unloadedMethodsField; 55 private static AddressField unloadedMethodsField;
55 private static AddressField ciObjectsField; 56 private static AddressField ciMetadataField;
56 private static AddressField symbolsField; 57 private static AddressField symbolsField;
57 58
58 private static VirtualBaseConstructor<ciObject> ciObjectConstructor; 59 private static VirtualBaseConstructor<ciObject> ciObjectConstructor;
60 private static VirtualBaseConstructor<ciMetadata> ciMetadataConstructor;
59 private static VirtualBaseConstructor<ciSymbol> ciSymbolConstructor; 61 private static VirtualBaseConstructor<ciSymbol> ciSymbolConstructor;
60 62
61 public static ciObject get(Address addr) { 63 public static ciObject get(Address addr) {
62 if (addr == null) return null; 64 if (addr == null) return null;
63 65
64 return (ciObject)ciObjectConstructor.instantiateWrapperFor(addr); 66 return (ciObject)ciObjectConstructor.instantiateWrapperFor(addr);
65 } 67 }
66 68
67 public GrowableArray<ciObject> objects() { 69 public static ciMetadata getMetadata(Address addr) {
68 return GrowableArray.create(ciObjectsField.getValue(getAddress()), ciObjectConstructor); 70 if (addr == null) return null;
71
72 return (ciMetadata)ciMetadataConstructor.instantiateWrapperFor(addr);
73 }
74
75 public GrowableArray<ciMetadata> objects() {
76 return GrowableArray.create(ciMetadataField.getValue(getAddress()), ciMetadataConstructor);
69 } 77 }
70 78
71 public GrowableArray<ciSymbol> symbols() { 79 public GrowableArray<ciSymbol> symbols() {
72 return GrowableArray.create(symbolsField.getValue(getAddress()), ciSymbolConstructor); 80 return GrowableArray.create(symbolsField.getValue(getAddress()), ciSymbolConstructor);
73 } 81 }