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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. For moment we do the following. */
*sigrc = 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 ();
}
}
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