Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/runtime/VirtualBaseConstructor.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 |
line wrap: on
line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/runtime/VirtualBaseConstructor.java Fri Aug 31 16:39:35 2012 -0700 +++ b/agent/src/share/classes/sun/jvm/hotspot/runtime/VirtualBaseConstructor.java Sat Sep 01 13:25:18 2012 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 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 @@ -47,6 +47,7 @@ map = new HashMap(); this.baseType = baseType; this.unknownTypeHandler = unknownTypeHandler; + if (packageName != null) { // Try to find mirror types for each of the types. If there isn't // a direct mirror then try to find an instantiable superclass and // treat it as that. @@ -73,22 +74,36 @@ } } } + } + + /** Adds a mapping from the given C++ type name to the given Java + class. The latter must be a subclass of + sun.jvm.hotspot.runtime.VMObject. Returns false if there was + already a class for this type name in the map. */ + public boolean addMapping(String cTypeName, Class clazz) { + if (map.get(cTypeName) != null) { + return false; + } + + map.put(cTypeName, clazz); + return true; + } /** Instantiate the most-precisely typed wrapper object available for the type of the given Address. If no type in the mapping matched the type of the Address, throws a WrongTypeException. Returns null for a null address (similar behavior to VMObjectFactory). */ - public VMObject instantiateWrapperFor(Address addr) throws WrongTypeException { + public T instantiateWrapperFor(Address addr) throws WrongTypeException { if (addr == null) { return null; } Type type = db.findDynamicTypeForAddress(addr, baseType); if (type != null) { - return (VMObject) VMObjectFactory.newObject((Class) map.get(type.getName()), addr); + return (T) VMObjectFactory.newObject((Class) map.get(type.getName()), addr); } else if (unknownTypeHandler != null) { - return (VMObject) VMObjectFactory.newObject(unknownTypeHandler, addr); + return (T) VMObjectFactory.newObject(unknownTypeHandler, addr); } throw newWrongTypeException(addr);