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/* Generic simulator stop_reason.

   Copyright (C) 1997 Free Software Foundation, Inc.

   Contributed by Cygnus Support.

This file is part of GDB, the GNU debugger.

This program 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; either version 2, or (at your option)

any later version.

This program 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 this program; if not, write to the Free Software Foundation, Inc.,

59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#include "sim-main.h"

#include "sim-assert.h"

/* Generic implementation of sim_stop_reason */

void

sim_stop_reason (SIM_DESC sd, enum sim_stop *reason, int *sigrc)

{

  sim_engine *engine = NULL;

  SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);

  engine = STATE_ENGINE (sd);

  *reason = engine->reason;

  switch (*reason)

    {

    case sim_exited :

      *sigrc = engine->sigrc;

      break;

    case sim_signalled :

      /* ??? See the comment below case `sim_signalled' in

         gdb/remote-sim.c:gdbsim_wait.

         ??? Consider the case of the target requesting that it

         kill(2) itself with SIGNAL.  That SIGNAL, being target

         specific, will not correspond to either of the SIM_SIGNAL

         enum nor the HOST_SIGNAL.  A mapping from TARGET_SIGNAL to

         HOST_SIGNAL is needed.  */

      *sigrc = sim_signal_to_host (sd, engine->sigrc);

      break;

    case sim_stopped :

      /* The gdb/simulator interface calls for us to return the host

         version of the signal which gdb then converts into the

         target's version.  This is obviously a bit clumsy.  */

      *sigrc = sim_signal_to_host (sd, engine->sigrc);

      break;

    default :

      abort ();

    }

}