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.x86;

    26 

    27 import sun.jvm.hotspot.debugger.*;

    28 import sun.jvm.hotspot.debugger.x86.*;

    29 import sun.jvm.hotspot.debugger.dbx.*;

    30 import sun.jvm.hotspot.utilities.*;

    31 

    32 public class DbxX86Thread implements ThreadProxy {

    33   private DbxDebugger debugger;

    34   private int         id;

    35 

    36   public DbxX86Thread(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 DbxX86Thread(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 DbxX86Thread)) {

    52       return false;

    53     }

    54 

    55     return (((DbxX86Thread) obj).id == id);

    56   }

    57 

    58   public int hashCode() {

    59     return id;

    60   }

    61 

    62   public ThreadContext getContext() throws IllegalThreadStateException {

    63     DbxX86ThreadContext context = new DbxX86ThreadContext(debugger);

    64     long[] regs = debugger.getThreadIntegerRegisterSet(id);

    65     if (Assert.ASSERTS_ENABLED) {

    66       Assert.that(regs.length == 19, "unknown size of register set -- adjust this code");

    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 }