diff options
Diffstat (limited to 'sim/common/nrun.c')
| -rw-r--r-- | sim/common/nrun.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/sim/common/nrun.c b/sim/common/nrun.c deleted file mode 100644 index ef25d680915..00000000000 --- a/sim/common/nrun.c +++ /dev/null @@ -1,212 +0,0 @@ -/* New version of run front end support for simulators. - Copyright (C) 1997 Free Software Foundation, Inc. - -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" - -#include "bfd.h" - -#ifdef HAVE_ENVIRON -extern char **environ; -#endif - -static void usage (void); - -extern host_callback default_callback; - -static char *myname; - -static SIM_DESC sd; - -static RETSIGTYPE -cntrl_c (int sig) -{ - if (! sim_stop (sd)) - { - fprintf (stderr, "Quit!\n"); - exit (1); - } -} - -int -main (int argc, char **argv) -{ - char *name; - char **prog_argv = NULL; - struct _bfd *prog_bfd; - enum sim_stop reason; - int sigrc = 0; - int single_step = 0; - RETSIGTYPE (*prev_sigint) (); - - myname = argv[0] + strlen (argv[0]); - while (myname > argv[0] && myname[-1] != '/') - --myname; - - /* INTERNAL: When MYNAME is `step', single step the simulator - instead of allowing it to run free. The sole purpose of this - HACK is to allow the sim_resume interface's step argument to be - tested without having to build/run gdb. */ - if (strlen (myname) > 4 && strcmp (myname - 4, "step") == 0) - { - single_step = 1; - } - - /* Create an instance of the simulator. */ - default_callback.init (&default_callback); - sd = sim_open (SIM_OPEN_STANDALONE, &default_callback, NULL, argv); - if (sd == 0) - exit (1); - if (STATE_MAGIC (sd) != SIM_MAGIC_NUMBER) - { - fprintf (stderr, "Internal error - bad magic number in simulator struct\n"); - abort (); - } - - /* Was there a program to run? */ - prog_argv = STATE_PROG_ARGV (sd); - prog_bfd = STATE_PROG_BFD (sd); - if (prog_argv == NULL || *prog_argv == NULL) - usage (); - - name = *prog_argv; - - /* For simulators that don't open prog during sim_open() */ - if (prog_bfd == NULL) - { - prog_bfd = bfd_openr (name, 0); - if (prog_bfd == NULL) - { - fprintf (stderr, "%s: can't open \"%s\": %s\n", - myname, name, bfd_errmsg (bfd_get_error ())); - exit (1); - } - if (!bfd_check_format (prog_bfd, bfd_object)) - { - fprintf (stderr, "%s: \"%s\" is not an object file: %s\n", - myname, name, bfd_errmsg (bfd_get_error ())); - exit (1); - } - } - - if (STATE_VERBOSE_P (sd)) - printf ("%s %s\n", myname, name); - - /* Load the program into the simulator. */ - if (sim_load (sd, name, prog_bfd, 0) == SIM_RC_FAIL) - exit (1); - - /* Prepare the program for execution. */ -#ifdef HAVE_ENVIRON - sim_create_inferior (sd, prog_bfd, prog_argv, environ); -#else - sim_create_inferior (sd, prog_bfd, prog_argv, NULL); -#endif - - /* Run/Step the program. */ - if (single_step) - { - do - { - prev_sigint = signal (SIGINT, cntrl_c); - sim_resume (sd, 1/*step*/, 0); - signal (SIGINT, prev_sigint); - sim_stop_reason (sd, &reason, &sigrc); - - if ((reason == sim_stopped) && - (sigrc == sim_signal_to_host (sd, SIM_SIGINT))) - break; /* exit on control-C */ - } - /* remain on breakpoint or signals in oe mode*/ - while (((reason == sim_signalled) && - (sigrc == sim_signal_to_host (sd, SIM_SIGTRAP))) || - ((reason == sim_stopped) && - (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT))); - } - else - { - do - { -#if defined (HAVE_SIGACTION) && defined (SA_RESTART) - struct sigaction sa, osa; - sa.sa_handler = cntrl_c; - sigemptyset (&sa.sa_mask); - sa.sa_flags = 0; - sigaction (SIGINT, &sa, &osa); - prev_sigint = osa.sa_handler; -#else - prev_sigint = signal (SIGINT, cntrl_c); -#endif - sim_resume (sd, 0, sigrc); - signal (SIGINT, prev_sigint); - sim_stop_reason (sd, &reason, &sigrc); - - if ((reason == sim_stopped) && - (sigrc == sim_signal_to_host (sd, SIM_SIGINT))) - break; /* exit on control-C */ - - /* remain on signals in oe mode */ - } while ((reason == sim_stopped) && - (STATE_ENVIRONMENT (sd) == OPERATING_ENVIRONMENT)); - - } - /* Print any stats the simulator collected. */ - if (STATE_VERBOSE_P (sd)) - sim_info (sd, 0); - - /* Shutdown the simulator. */ - sim_close (sd, 0); - - /* If reason is sim_exited, then sigrc holds the exit code which we want - to return. If reason is sim_stopped or sim_signalled, then sigrc holds - the signal that the simulator received; we want to return that to - indicate failure. */ - -#ifdef SIM_H8300 /* FIXME: Ugh. grep for SLEEP in compile.c */ - if (sigrc == SIGILL) - abort (); - sigrc = 0; -#else - /* Why did we stop? */ - switch (reason) - { - case sim_signalled: - case sim_stopped: - if (sigrc != 0) - fprintf (stderr, "program stopped with signal %d.\n", sigrc); - break; - - case sim_exited: - break; - - default: - fprintf (stderr, "program in undefined state (%d:%d)\n", reason, sigrc); - break; - - } -#endif - - return sigrc; -} - -static void -usage () -{ - fprintf (stderr, "Usage: %s [options] program [program args]\n", myname); - fprintf (stderr, "Run `%s --help' for full list of options.\n", myname); - exit (1); -} |