Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/ci/ciObjectFactory.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 |
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--- a/agent/src/share/classes/sun/jvm/hotspot/ci/ciObjectFactory.java Fri Aug 31 16:39:35 2012 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/ci/ciObjectFactory.java Sat Sep 01 13:25:18 2012 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2011, 2012, 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 @@ -44,18 +44,20 @@ private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { Type type = db.lookupType("ciObjectFactory"); unloadedMethodsField = type.getAddressField("_unloaded_methods"); - ciObjectsField = type.getAddressField("_ci_objects"); + ciMetadataField = type.getAddressField("_ci_metadata"); symbolsField = type.getAddressField("_symbols"); ciObjectConstructor = new VirtualBaseConstructor<ciObject>(db, db.lookupType("ciObject"), "sun.jvm.hotspot.ci", ciObject.class); + ciMetadataConstructor = new VirtualBaseConstructor<ciMetadata>(db, db.lookupType("ciMetadata"), "sun.jvm.hotspot.ci", ciMetadata.class); ciSymbolConstructor = new VirtualBaseConstructor<ciSymbol>(db, db.lookupType("ciSymbol"), "sun.jvm.hotspot.ci", ciSymbol.class); } private static AddressField unloadedMethodsField; - private static AddressField ciObjectsField; + private static AddressField ciMetadataField; private static AddressField symbolsField; private static VirtualBaseConstructor<ciObject> ciObjectConstructor; + private static VirtualBaseConstructor<ciMetadata> ciMetadataConstructor; private static VirtualBaseConstructor<ciSymbol> ciSymbolConstructor; public static ciObject get(Address addr) { @@ -64,8 +66,14 @@ return (ciObject)ciObjectConstructor.instantiateWrapperFor(addr); } - public GrowableArray<ciObject> objects() { - return GrowableArray.create(ciObjectsField.getValue(getAddress()), ciObjectConstructor); + public static ciMetadata getMetadata(Address addr) { + if (addr == null) return null; + + return (ciMetadata)ciMetadataConstructor.instantiateWrapperFor(addr); + } + + public GrowableArray<ciMetadata> objects() { + return GrowableArray.create(ciMetadataField.getValue(getAddress()), ciMetadataConstructor); } public GrowableArray<ciSymbol> symbols() {