Attachment 1392 Details for Bug 3364 – fstep program

fstep program

fstep.java (text/plain), 3.83 KB, created by Mark Wielaard on 2006-10-31 13:17:31 UTC

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Creator: Mark Wielaard

Created: 2006-10-31 13:17:31 UTC

Size: 3.83 KB

patch

obsolete

>// This file is part of the program FRYSK.
>//
>// Copyright 2006, Red Hat Inc.
>//
>// FRYSK is free software; you can redistribute it and/or modify it
>// under the terms of the GNU General Public License as published by
>// the Free Software Foundation; version 2 of the License.
>//
>// FRYSK is distributed in the hope that it will be useful, but
>// WITHOUT ANY WARRANTY; without even the implied warranty of
>// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
>// General Public License for more details.
>// 
>// You should have received a copy of the GNU General Public License
>// along with FRYSK; if not, write to the Free Software Foundation,
>// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
>// 
>// In addition, as a special exception, Red Hat, Inc. gives You the
>// additional right to link the code of FRYSK with code not covered
>// under the GNU General Public License ("Non-GPL Code") and to
>// distribute linked combinations including the two, subject to the
>// limitations in this paragraph. Non-GPL Code permitted under this
>// exception must only link to the code of FRYSK through those well
>// defined interfaces identified in the file named EXCEPTION found in
>// the source code files (the "Approved Interfaces"). The files of
>// Non-GPL Code may instantiate templates or use macros or inline
>// functions from the Approved Interfaces without causing the
>// resulting work to be covered by the GNU General Public
>// License. Only Red Hat, Inc. may make changes or additions to the
>// list of Approved Interfaces. You must obey the GNU General Public
>// License in all respects for all of the FRYSK code and other code
>// used in conjunction with FRYSK except the Non-GPL Code covered by
>// this exception. If you modify this file, you may extend this
>// exception to your version of the file, but you are not obligated to
>// do so. If you do not wish to provide this exception without
>// modification, you must delete this exception statement from your
>// version and license this file solely under the GPL without
>// exception.
>
>
>import frysk.proc.*;
>import lib.opcodes.*;
>import java.util.*;
>
>public class fstep
>  implements TaskObserver.Attached,
>  TaskObserver.Instruction,
>  TaskObserver.Terminated
>{
>  Disassembler disassembler;
>  long steps;
>
>  public static void main(String[] command)
>  {
>    fstep step = new fstep();
>    Manager.host.requestCreateAttachedProc(command, step);
>    Manager.eventLoop.start();
>  }
>
>  // TaskObserver.Attached interface
>  public Action updateAttached(Task task)
>  {
>    disassembler = new Disassembler(task.getMemory());
>    task.requestAddTerminatedObserver(this);
>    task.requestAddInstructionObserver(this);
>    return Action.CONTINUE;
>  }
>
>  // TaskObserver.Terminated interface
>  public Action updateTerminated(Task task, boolean signal, int exit)
>  {
>    System.err.println("Total steps: " + steps);
>    Manager.eventLoop.requestStop();
>    return Action.CONTINUE;
>  }
>
>  // TaskObserver.Instruction interface
>  public Action updateExecuted(Task task)
>  {
>    steps++;
>    try
>      {
>	if (steps % 10000 == 0)
>	  {
>	    long pc = task.getIsa().pc(task);
>	    System.out.println("0x" + Long.toHexString(pc)
>			       + " (steps: " + steps + ")");
>	    Iterator it;
>	    it = disassembler.disassembleInstructions(pc, 5).iterator();
>	    while (it.hasNext())
>	      System.out.println("\t" + it.next());
>	  }
>      }
>    catch(TaskException te)
>      {
>	// Task disappeared?
>	te.printStackTrace();
>	System.exit(-1);
>      }
>    catch(OpcodesException oe)
>      {
>	// Bad location?
>	oe.printStackTrace();
>	System.exit(-1);
>      }
>    return Action.CONTINUE;
>  }
>
>
>  // Common interface methods
>
>  public void addedTo (Object observable)
>  {
>    // Unused
>  }
>
>  public void addFailed (Object observable, Throwable w)
>  {
>    w.printStackTrace();
>    System.exit(-1);
>  }
>
>  public void deletedFrom (Object observable)
>  {
>    // Unused
>  }
>}

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Attachments on bug 3364: 1392