Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/memory/LoaderConstraintEntry.java @ 18109:b72ce1826bd0
Truffle: revert back to typed primitives, but make the primitive array an int[]
author | Andreas Woess <andreas.woess@jku.at> |
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date | Wed, 15 Oct 2014 19:25:43 +0200 |
parents | 1d1603768966 |
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0 | 1 /* |
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7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
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2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.memory; | |
26 | |
27 import java.util.*; | |
28 import sun.jvm.hotspot.debugger.*; | |
29 import sun.jvm.hotspot.oops.*; | |
30 import sun.jvm.hotspot.types.*; | |
31 import sun.jvm.hotspot.runtime.*; | |
32 import sun.jvm.hotspot.utilities.*; | |
33 | |
34 public class LoaderConstraintEntry extends sun.jvm.hotspot.utilities.HashtableEntry { | |
35 static { | |
36 VM.registerVMInitializedObserver(new Observer() { | |
37 public void update(Observable o, Object data) { | |
38 initialize(VM.getVM().getTypeDataBase()); | |
39 } | |
40 }); | |
41 } | |
42 | |
43 private static synchronized void initialize(TypeDataBase db) { | |
44 Type type = db.lookupType("LoaderConstraintEntry"); | |
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45 nameField = type.getAddressField("_name"); |
0 | 46 numLoadersField = type.getCIntegerField("_num_loaders"); |
47 maxLoadersField = type.getCIntegerField("_max_loaders"); | |
48 loadersField = type.getAddressField("_loaders"); | |
49 } | |
50 | |
51 // Fields | |
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52 private static AddressField nameField; |
0 | 53 private static CIntegerField numLoadersField; |
54 private static CIntegerField maxLoadersField; | |
55 private static AddressField loadersField; | |
56 | |
57 // Accessors | |
58 | |
59 public Symbol name() { | |
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60 return Symbol.create(nameField.getValue(addr)); |
0 | 61 } |
62 | |
63 public int numLoaders() { | |
64 return (int) numLoadersField.getValue(addr); | |
65 } | |
66 | |
67 public int maxLoaders() { | |
68 return (int) maxLoadersField.getValue(addr); | |
69 } | |
70 | |
71 public Oop initiatingLoader(int i) { | |
72 if (Assert.ASSERTS_ENABLED) { | |
73 Assert.that(i >= 0 && i < numLoaders(), "invalid index"); | |
74 } | |
75 Address loaders = loadersField.getValue(addr); | |
76 OopHandle loader = loaders.addOffsetToAsOopHandle(i * VM.getVM().getOopSize()); | |
77 return VM.getVM().getObjectHeap().newOop(loader); | |
78 } | |
79 | |
80 public LoaderConstraintEntry(Address addr) { | |
81 super(addr); | |
82 } | |
83 | |
84 /* covariant return type :-( | |
85 public LoaderConstraintEntry next() { | |
86 return (LoaderConstraintEntry) super.next(); | |
87 } | |
88 For now, let the caller cast it .. | |
89 */ | |
90 } |