Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/ci/ciMethod.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 |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | f6f3bb0ee072 |
children | bd7a7ce2e264 |
rev | line source |
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3939 | 1 /* |
6725
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6964458: Reimplement class meta-data storage to use native memory
coleenp
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3939
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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.ci; | |
26 | |
27 import java.io.*; | |
28 import java.util.*; | |
29 import sun.jvm.hotspot.debugger.*; | |
30 import sun.jvm.hotspot.code.*; | |
31 import sun.jvm.hotspot.runtime.*; | |
32 import sun.jvm.hotspot.oops.*; | |
33 import sun.jvm.hotspot.types.*; | |
34 | |
6725
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3939
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changeset
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35 public class ciMethod extends ciMetadata { |
3939 | 36 static { |
37 VM.registerVMInitializedObserver(new Observer() { | |
38 public void update(Observable o, Object data) { | |
39 initialize(VM.getVM().getTypeDataBase()); | |
40 } | |
41 }); | |
42 } | |
43 | |
44 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { | |
45 Type type = db.lookupType("ciMethod"); | |
46 interpreterThrowoutCountField = new CIntField(type.getCIntegerField("_interpreter_throwout_count"), 0); | |
47 interpreterInvocationCountField = new CIntField(type.getCIntegerField("_interpreter_invocation_count"), 0); | |
48 try { | |
49 // XXX | |
50 instructionsSizeField = new CIntField(type.getCIntegerField("_instructions_size"), 0); | |
51 } catch (Exception e) { | |
52 } | |
53 } | |
54 | |
55 private static CIntField interpreterThrowoutCountField; | |
56 private static CIntField interpreterInvocationCountField; | |
57 private static CIntField instructionsSizeField; | |
58 | |
59 public ciMethod(Address addr) { | |
60 super(addr); | |
61 } | |
62 | |
63 public Method method() { | |
6725
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3939
diff
changeset
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64 return (Method)getMetadata(); |
3939 | 65 } |
66 | |
67 public int interpreterThrowoutCount() { | |
68 return (int) interpreterThrowoutCountField.getValue(getAddress()); | |
69 } | |
70 | |
71 public int interpreterInvocationCount() { | |
72 return (int) interpreterInvocationCountField.getValue(getAddress()); | |
73 } | |
74 | |
75 public int instructionsSize() { | |
76 if (instructionsSizeField == null) { | |
77 // XXX | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3939
diff
changeset
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78 Method method = method(); |
3939 | 79 NMethod nm = method.getNativeMethod(); |
80 if (nm != null) return (int)nm.codeEnd().minus(nm.getVerifiedEntryPoint()); | |
81 return 0; | |
82 } | |
83 return (int) instructionsSizeField.getValue(getAddress()); | |
84 } | |
85 | |
86 public void printShortName(PrintStream st) { | |
6725
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3939
diff
changeset
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87 Method method = method(); |
3939 | 88 st.printf(" %s::%s", method.getMethodHolder().getName().asString().replace('/', '.'), |
89 method.getName().asString()); | |
90 } | |
91 } |