binutils-gdb/sim/common/sim-signal.c

97 lines
2.1 KiB
C

/* Simulator signal support
Copyright (C) 1997 Free Software Foundation, Inc.
Contributed by Cygnus Support
This file is part of the GNU Simulators.
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 <signal.h>
#include "sim-main.h"
/* Convert SIM_SIGFOO to SIGFOO.
What to do when the host doesn't have SIGFOO is handled on a case by case
basis. Generally, in the case of passing a value back to gdb, we want gdb
to not think the process has died (so it can be debugged at the point of
failure). */
#ifdef _MSC_VER
#ifndef SIGTRAP
#define SIGTRAP 5
#endif
#ifndef SIGBUS
#define SIGBUS 10
#endif
#ifndef SIGQUIT
#define SIGQUIT 3
#endif
#endif
int
sim_signal_to_host (SIM_DESC sd, SIM_SIGNAL sig)
{
switch (sig)
{
case SIM_SIGINT :
return SIGINT;
case SIM_SIGABRT :
return SIGABRT;
case SIM_SIGILL :
#ifdef SIGILL
return SIGILL;
#else
return SIGSEGV;
#endif
case SIM_SIGTRAP :
return SIGTRAP;
case SIM_SIGBUS :
#ifdef SIGBUS
return SIGBUS;
#else
return SIGSEGV;
#endif
case SIM_SIGSEGV :
return SIGSEGV;
case SIM_SIGXCPU :
#ifdef SIGXCPU
return SIGXCPU;
#endif
break;
case SIM_SIGFPE:
#ifdef SIGXCPU
return SIGFPE;
#endif
break;
case SIM_SIGNONE:
return 0;
break;
}
sim_io_eprintf (sd, "sim_signal_to_host: unknown signal: %d\n", sig);
#ifdef SIGHUP
return SIGHUP; /* FIXME: Suggestions? */
#else
return 1;
#endif
}