140 lines
2.8 KiB
C
140 lines
2.8 KiB
C
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/* Simulator signal support
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Copyright (C) 1997-2022 Free Software Foundation, Inc.
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Contributed by Cygnus Support
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This file is part of the GNU Simulators.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* This must come before any other includes. */
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#include "defs.h"
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#include <signal.h>
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#include "sim-main.h"
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#include "sim-signal.h"
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/* Convert SIM_SIGFOO to SIGFOO.
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What to do when the host doesn't have SIGFOO is handled on a case by case
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basis. Generally, in the case of passing a value back to gdb, we want gdb
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to not think the process has died (so it can be debugged at the point of
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failure). */
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#ifdef _WIN32
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#ifndef SIGTRAP
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#define SIGTRAP 5
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#endif
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#ifndef SIGBUS
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#define SIGBUS 10
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#endif
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#ifndef SIGQUIT
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#define SIGQUIT 3
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#endif
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#endif
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int
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sim_signal_to_host (SIM_DESC sd, SIM_SIGNAL sig)
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{
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switch (sig)
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{
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case SIM_SIGINT :
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return SIGINT;
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case SIM_SIGABRT :
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return SIGABRT;
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case SIM_SIGILL :
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#ifdef SIGILL
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return SIGILL;
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#else
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return SIGSEGV;
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#endif
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case SIM_SIGTRAP :
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return SIGTRAP;
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case SIM_SIGBUS :
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#ifdef SIGBUS
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return SIGBUS;
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#else
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return SIGSEGV;
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#endif
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case SIM_SIGSEGV :
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return SIGSEGV;
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case SIM_SIGXCPU :
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#ifdef SIGXCPU
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return SIGXCPU;
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#endif
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break;
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case SIM_SIGFPE:
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#ifdef SIGFPE
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return SIGFPE;
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#endif
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break;
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case SIM_SIGNONE:
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return 0;
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break;
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}
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sim_io_eprintf (sd, "sim_signal_to_host: unknown signal: %d\n", sig);
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#ifdef SIGHUP
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return SIGHUP; /* FIXME: Suggestions? */
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#else
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return 1;
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#endif
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}
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enum gdb_signal
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sim_signal_to_gdb_signal (SIM_DESC sd, SIM_SIGNAL sig)
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{
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switch (sig)
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{
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case SIM_SIGINT :
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return GDB_SIGNAL_INT;
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case SIM_SIGABRT :
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return GDB_SIGNAL_ABRT;
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case SIM_SIGILL :
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return GDB_SIGNAL_ILL;
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case SIM_SIGTRAP :
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return GDB_SIGNAL_TRAP;
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case SIM_SIGBUS :
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return GDB_SIGNAL_BUS;
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case SIM_SIGSEGV :
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return GDB_SIGNAL_SEGV;
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case SIM_SIGXCPU :
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return GDB_SIGNAL_XCPU;
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case SIM_SIGFPE:
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return GDB_SIGNAL_FPE;
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break;
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case SIM_SIGNONE:
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return GDB_SIGNAL_0;
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break;
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}
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sim_io_eprintf (sd, "sim_signal_to_host: unknown signal: %d\n", sig);
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return GDB_SIGNAL_HUP;
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}
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