1 /*
   2  * Copyright (c) 2000, 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 
  25 package sun.jvm.hotspot.debugger.dbx.sparc;
  26 
  27 import sun.jvm.hotspot.debugger.*;
  28 import sun.jvm.hotspot.debugger.sparc.*;
  29 import sun.jvm.hotspot.debugger.dbx.*;
  30 import sun.jvm.hotspot.utilities.*;
  31 
  32 public class DbxSPARCThread implements ThreadProxy {
  33   private DbxDebugger debugger;
  34   private int         id;
  35 
  36   public DbxSPARCThread(DbxDebugger 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 DbxSPARCThread(DbxDebugger debugger, long id) {
  46     this.debugger = debugger;
  47     this.id = (int) id;
  48   }
  49 
  50   public boolean equals(Object obj) {
  51     if ((obj == null) || !(obj instanceof DbxSPARCThread)) {
  52       return false;
  53     }
  54 
  55     return (((DbxSPARCThread) obj).id == id);
  56   }
  57 
  58   public int hashCode() {
  59     return id;
  60   }
  61 
  62   public ThreadContext getContext() throws IllegalThreadStateException {
  63     DbxSPARCThreadContext context = new DbxSPARCThreadContext(debugger);
  64     long[] regs = debugger.getThreadIntegerRegisterSet(id);
  65     if (Assert.ASSERTS_ENABLED) {
  66       Assert.that(regs.length == SPARCThreadContext.NPRGREG, "size of register set must match");
  67     }
  68     for (int i = 0; i < regs.length; i++) {
  69       context.setRegister(i, regs[i]);
  70     }
  71     return context;
  72   }
  73 
  74   public boolean canSetContext() throws DebuggerException {
  75     return false;
  76   }
  77 
  78   public void setContext(ThreadContext context)
  79     throws IllegalThreadStateException, DebuggerException {
  80     throw new DebuggerException("Unimplemented");
  81   }
  82 
  83   public String toString() {
  84     return "t@" + id;
  85   }
  86 }