Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/runtime/CompilerThread.java @ 7402:fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
Summary: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
Reviewed-by: coleenp, minqi, jrose
author | jiangli |
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date | Tue, 11 Dec 2012 12:41:31 -0500 |
parents | f6f3bb0ee072 |
children |
rev | line source |
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0 | 1 /* |
3939 | 2 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.runtime; | |
26 | |
27 import java.io.*; | |
3939 | 28 import java.util.*; |
0 | 29 import sun.jvm.hotspot.debugger.*; |
30 import sun.jvm.hotspot.types.*; | |
3939 | 31 import sun.jvm.hotspot.ci.*; |
0 | 32 |
33 public class CompilerThread extends JavaThread { | |
3939 | 34 static { |
35 VM.registerVMInitializedObserver(new Observer() { | |
36 public void update(Observable o, Object data) { | |
37 initialize(VM.getVM().getTypeDataBase()); | |
38 } | |
39 }); | |
40 } | |
41 | |
42 private static AddressField _env_field; | |
43 | |
44 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { | |
45 Type type = db.lookupType("CompilerThread"); | |
46 | |
47 _env_field = type.getAddressField("_env"); | |
48 } | |
49 | |
50 private ciEnv _env; | |
51 | |
52 public synchronized ciEnv env() { | |
53 if (_env == null) { | |
54 Address v = _env_field.getValue(this.getAddress()); | |
55 if (v != null) { | |
56 _env = new ciEnv(v); | |
57 } | |
58 } | |
59 return _env; | |
60 } | |
61 | |
0 | 62 public CompilerThread(Address addr) { |
63 super(addr); | |
64 } | |
65 | |
66 public boolean isJavaThread() { return false; } | |
67 public boolean isHiddenFromExternalView() { return true; } | |
68 public boolean isCompilerThread() { return true; } | |
69 | |
70 } |