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/* Simulator signal support
Copyright (C) 1997-2021 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
#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 _WIN32
#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 SIGFPE
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
}
enum gdb_signal
sim_signal_to_gdb_signal (SIM_DESC sd, SIM_SIGNAL sig)
{
switch (sig)
{
case SIM_SIGINT :
return GDB_SIGNAL_INT;
case SIM_SIGABRT :
return GDB_SIGNAL_ABRT;
case SIM_SIGILL :
return GDB_SIGNAL_ILL;
case SIM_SIGTRAP :
return GDB_SIGNAL_TRAP;
case SIM_SIGBUS :
return GDB_SIGNAL_BUS;
case SIM_SIGSEGV :
return GDB_SIGNAL_SEGV;
case SIM_SIGXCPU :
return GDB_SIGNAL_XCPU;
case SIM_SIGFPE:
return GDB_SIGNAL_FPE;
break;
case SIM_SIGNONE:
return GDB_SIGNAL_0;
break;
}
sim_io_eprintf (sd, "sim_signal_to_host: unknown signal: %d\n", sig);
return GDB_SIGNAL_HUP;
}
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