Mercurial > hg > truffle

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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 bd7a7ce2e264
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.
45 45
46 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { 46 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
47 Type type = db.lookupType("ciInstanceKlass"); 47 Type type = db.lookupType("ciInstanceKlass");
48 initStateField = new CIntField(type.getCIntegerField("_init_state"), 0); 48 initStateField = new CIntField(type.getCIntegerField("_init_state"), 0);
49 isSharedField = new CIntField(type.getCIntegerField("_is_shared"), 0); 49 isSharedField = new CIntField(type.getCIntegerField("_is_shared"), 0);
50 CLASS_STATE_LINKED = db.lookupIntConstant("instanceKlass::linked").intValue(); 50 CLASS_STATE_LINKED = db.lookupIntConstant("InstanceKlass::linked").intValue();
51 CLASS_STATE_FULLY_INITIALIZED = db.lookupIntConstant("instanceKlass::fully_initialized").intValue(); 51 CLASS_STATE_FULLY_INITIALIZED = db.lookupIntConstant("InstanceKlass::fully_initialized").intValue();
52 } 52 }
53 53
54 private static CIntField initStateField; 54 private static CIntField initStateField;
55 private static CIntField isSharedField; 55 private static CIntField isSharedField;
56 private static int CLASS_STATE_LINKED; 56 private static int CLASS_STATE_LINKED;
61 } 61 }
62 62
63 public int initState() { 63 public int initState() {
64 int initState = (int)initStateField.getValue(getAddress()); 64 int initState = (int)initStateField.getValue(getAddress());
65 if (isShared() && initState < CLASS_STATE_LINKED) { 65 if (isShared() && initState < CLASS_STATE_LINKED) {
66 InstanceKlass ik = (InstanceKlass)getOop(); 66 InstanceKlass ik = (InstanceKlass)getMetadata();
67 initState = ik.getInitStateAsInt(); 67 initState = ik.getInitStateAsInt();
68 } 68 }
69 return initState; 69 return initState;
70 } 70 }
71 71