Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/runtime/StubRoutines.java @ 3945:8ed53447f690
Merge
author | iveresov |
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date | Thu, 15 Sep 2011 12:44:09 -0700 |
parents | 638119ce7cfd |
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rev | line source |
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0 | 1 /* |
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638119ce7cfd
7009309: JSR 292: compiler/6991596/Test6991596.java crashes on fastdebug JDK7/b122
twisti
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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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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
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diff
changeset
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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.util.*; | |
28 import sun.jvm.hotspot.debugger.*; | |
29 import sun.jvm.hotspot.types.*; | |
30 | |
31 /** Very minimal port for now to get frames working */ | |
32 | |
33 public class StubRoutines { | |
2245
638119ce7cfd
7009309: JSR 292: compiler/6991596/Test6991596.java crashes on fastdebug JDK7/b122
twisti
parents:
1552
diff
changeset
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34 private static AddressField callStubReturnAddressField; |
0 | 35 |
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) { | |
45 Type type = db.lookupType("StubRoutines"); | |
46 callStubReturnAddressField = type.getAddressField("_call_stub_return_address"); | |
47 } | |
48 | |
49 public StubRoutines() { | |
50 } | |
51 | |
52 public boolean returnsToCallStub(Address returnPC) { | |
53 Address addr = callStubReturnAddressField.getValue(); | |
54 if (addr == null) { | |
55 return (addr == returnPC); | |
56 } else { | |
57 return (addr.equals(returnPC)); | |
58 } | |
59 } | |
60 } |