1 /*
   2  * Copyright 2004 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.debugger.proc.amd64;
  26 
  27 import sun.jvm.hotspot.debugger.*;
  28 import sun.jvm.hotspot.debugger.amd64.*;
  29 import sun.jvm.hotspot.debugger.proc.*;
  30 import sun.jvm.hotspot.utilities.*;
  31 
  32 public class ProcAMD64Thread implements ThreadProxy {
  33     private ProcDebugger debugger;
  34     private int         id;
  35 
  36     public ProcAMD64Thread(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 ProcAMD64Thread(ProcDebugger debugger, long id) {
  46         this.debugger = debugger;
  47         this.id = (int) id;
  48     }
  49 
  50     public ThreadContext getContext() throws IllegalThreadStateException {
  51         ProcAMD64ThreadContext context = new ProcAMD64ThreadContext(debugger);
  52         long[] regs = debugger.getThreadIntegerRegisterSet(id);
  53         if (Assert.ASSERTS_ENABLED) {
  54             Assert.that(regs.length == AMD64ThreadContext.NPRGREG, "size mismatch");
  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 ProcAMD64Thread)) {
  77             return false;
  78         }
  79 
  80         return (((ProcAMD64Thread) obj).id == id);
  81     }
  82 
  83     public int hashCode() {
  84         return id;
  85     }
  86 }