ProcSPARCThread.java revision 9883:903a2e023ffb 
1/*
2 * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25package sun.jvm.hotspot.debugger.proc.sparc;
26
27import sun.jvm.hotspot.debugger.*;
28import sun.jvm.hotspot.debugger.sparc.*;
29import sun.jvm.hotspot.debugger.proc.*;
30import sun.jvm.hotspot.utilities.*;
31
32public class ProcSPARCThread implements ThreadProxy {
33  private ProcDebugger debugger;
34  private int         id;
35
36  public ProcSPARCThread(ProcDebugger debugger, Address addr) {
37    this.debugger = debugger;
38
39    // FIXME: the size here should be configurable. However, making it
40    // so would produce a dependency on the "types" package from the
41    // debugger package, which is not desired.
42    this.id       = (int) addr.getCIntegerAt(0, 4, true);
43  }
44
45  public ProcSPARCThread(ProcDebugger debugger, long id) {
46    this.debugger = debugger;
47    this.id  = (int) id;
48  }
49
50  public ThreadContext getContext() throws IllegalThreadStateException {
51    ProcSPARCThreadContext context = new ProcSPARCThreadContext(debugger);
52    long[] regs = debugger.getThreadIntegerRegisterSet(id);
53    if (Assert.ASSERTS_ENABLED) {
54      Assert.that(regs.length == SPARCThreadContext.NPRGREG, "size of register set must match");
55    }
56    for (int i = 0; i < regs.length; i++) {
57      context.setRegister(i, regs[i]);
58    }
59    return context;
60  }
61
62  public boolean canSetContext() throws DebuggerException {
63    return false;
64  }
65
66  public void setContext(ThreadContext context)
67    throws IllegalThreadStateException, DebuggerException {
68    throw new DebuggerException("Unimplemented");
69  }
70
71  public String toString() {
72    return "t@" + id;
73  }
74
75  public boolean equals(Object obj) {
76    if ((obj == null) || !(obj instanceof ProcSPARCThread)) {
77      return false;
78    }
79
80    return (((ProcSPARCThread) obj).id == id);
81  }
82
83  public int hashCode() {
84    return id;
85  }
86}
87