Mercurial > hg > graal-jvmci-8
comparison agent/src/share/classes/sun/jvm/hotspot/runtime/CompilerThread.java @ 3939:f6f3bb0ee072
7088955: add C2 IR support to the SA
Reviewed-by: kvn
author | never |
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date | Sun, 11 Sep 2011 14:48:24 -0700 |
parents | c18cbe5936b8 |
children |
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3938:e6b1331a51d2 | 3939:f6f3bb0ee072 |
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1 /* | 1 /* |
2 * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2000, 2011, 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. |
23 */ | 23 */ |
24 | 24 |
25 package sun.jvm.hotspot.runtime; | 25 package sun.jvm.hotspot.runtime; |
26 | 26 |
27 import java.io.*; | 27 import java.io.*; |
28 import java.util.*; | |
28 import sun.jvm.hotspot.debugger.*; | 29 import sun.jvm.hotspot.debugger.*; |
29 import sun.jvm.hotspot.types.*; | 30 import sun.jvm.hotspot.types.*; |
31 import sun.jvm.hotspot.ci.*; | |
30 | 32 |
31 public class CompilerThread extends JavaThread { | 33 public class CompilerThread extends JavaThread { |
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 | |
32 public CompilerThread(Address addr) { | 62 public CompilerThread(Address addr) { |
33 super(addr); | 63 super(addr); |
34 } | 64 } |
35 | 65 |
36 public boolean isJavaThread() { return false; } | 66 public boolean isJavaThread() { return false; } |