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diff --git a/sim/common/run.c b/sim/common/run.c
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+/* run front end support for all the simulators.
+ Copyright (C) 1992, 93-96, 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. */
+
+/* Steve Chamberlain sac@cygnus.com,
+ and others at Cygnus. */
+
+#include "config.h"
+#include "tconfig.h"
+
+#include <signal.h>
+#include <stdio.h>
+#ifdef __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#else
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+#endif
+
+#include "libiberty.h"
+#include "bfd.h"
+#include "callback.h"
+#include "remote-sim.h"
+
+#include "../libiberty/alloca-conf.h"
+
+static void usage PARAMS ((void));
+extern int optind;
+extern char *optarg;
+
+extern host_callback default_callback;
+
+static char *myname;
+
+
+/* NOTE: sim_size() and sim_trace() are going away */
+extern int sim_trace PARAMS ((SIM_DESC sd));
+
+extern int getopt ();
+
+static SIM_DESC sd;
+
+static RETSIGTYPE
+cntrl_c (int sig)
+{
+ if (! sim_stop (sd))
+ {
+ fprintf (stderr, "Quit!\n");
+ exit (1);
+ }
+}
+
+int
+main (ac, av)
+ int ac;
+ char **av;
+{
+ RETSIGTYPE (*prev_sigint) ();
+ bfd *abfd;
+ int i;
+ int verbose = 0;
+ int trace = 0;
+ char *name;
+ static char *no_args[4];
+ char **sim_argv = &no_args[0];
+ char **prog_args;
+ enum sim_stop reason;
+ int sigrc;
+
+ myname = av[0] + strlen (av[0]);
+ while (myname > av[0] && myname[-1] != '/')
+ --myname;
+
+ /* The first element of sim_open's argv is the program name. */
+ no_args[0] = av[0];
+#ifdef SIM_HAVE_BIENDIAN
+ no_args[1] = "-E";
+ no_args[2] = "set-later";
+#endif
+
+ /* FIXME: This is currently being migrated into sim_open.
+ Simulators that use functions such as sim_size() still require
+ this. */
+ default_callback.init (&default_callback);
+ sim_set_callbacks (&default_callback);
+
+ /* FIXME: This is currently being rewritten to have each simulator
+ do all argv processing. */
+
+#ifdef SIM_H8300 /* FIXME: quick hack */
+ while ((i = getopt (ac, av, "a:c:m:p:s:htv")) != EOF)
+#else
+ while ((i = getopt (ac, av, "a:c:m:p:s:tv")) != EOF)
+#endif
+ switch (i)
+ {
+ case 'a':
+ /* FIXME: Temporary hack. */
+ {
+ int len = strlen (av[0]) + strlen (optarg);
+ char *argbuf = (char *) alloca (len + 2 + 50);
+ sprintf (argbuf, "%s %s", av[0], optarg);
+#ifdef SIM_HAVE_BIENDIAN
+ /* The desired endianness must be passed to sim_open.
+ The value for "set-later" is set when we know what it is.
+ -E support isn't yet part of the published interface. */
+ strcat (argbuf, " -E set-later");
+#endif
+ sim_argv = buildargv (argbuf);
+ }
+ break;
+#ifdef SIM_HAVE_SIMCACHE
+ case 'c':
+ sim_set_simcache_size (atoi (optarg));
+ break;
+#endif
+ case 'm':
+ /* FIXME: Rename to sim_set_mem_size. */
+ sim_size (atoi (optarg));
+ break;
+#ifdef SIM_HAVE_PROFILE
+ case 'p':
+ sim_set_profile (atoi (optarg));
+ break;
+ case 's':
+ sim_set_profile_size (atoi (optarg));
+ break;
+#endif
+ case 't':
+ trace = 1;
+ /* FIXME: need to allow specification of what to trace. */
+ /* sim_set_trace (1); */
+ break;
+ case 'v':
+ /* Things that are printed with -v are the kinds of things that
+ gcc -v prints. This is not meant to include detailed tracing
+ or debugging information, just summaries. */
+ verbose = 1;
+ /* sim_set_verbose (1); */
+ break;
+ /* FIXME: Quick hack, to be replaced by more general facility. */
+#ifdef SIM_H8300
+ case 'h':
+ set_h8300h (1);
+ break;
+#endif
+ default:
+ usage ();
+ }
+
+ ac -= optind;
+ av += optind;
+ if (ac <= 0)
+ usage ();
+
+ name = *av;
+ prog_args = av;
+
+ if (verbose)
+ {
+ printf ("%s %s\n", myname, name);
+ }
+
+ abfd = bfd_openr (name, 0);
+ if (!abfd)
+ {
+ fprintf (stderr, "%s: can't open %s: %s\n",
+ myname, name, bfd_errmsg (bfd_get_error ()));
+ exit (1);
+ }
+
+ if (!bfd_check_format (abfd, bfd_object))
+ {
+ fprintf (stderr, "%s: can't load %s: %s\n",
+ myname, name, bfd_errmsg (bfd_get_error ()));
+ exit (1);
+ }
+
+#ifdef SIM_HAVE_BIENDIAN
+ /* The endianness must be passed to sim_open because one may wish to
+ examine/set registers before calling sim_load [which is the other
+ place where one can determine endianness]. We previously passed the
+ endianness via global `target_byte_order' but that's not a clean
+ interface. */
+ for (i = 1; sim_argv[i + 1] != NULL; ++i)
+ continue;
+ if (bfd_big_endian (abfd))
+ sim_argv[i] = "big";
+ else
+ sim_argv[i] = "little";
+#endif
+
+ /* Ensure that any run-time initialisation that needs to be
+ performed by the simulator can occur. */
+ sd = sim_open (SIM_OPEN_STANDALONE, &default_callback, abfd, sim_argv);
+ if (sd == 0)
+ exit (1);
+
+ if (sim_load (sd, name, abfd, 0) == SIM_RC_FAIL)
+ exit (1);
+
+ if (sim_create_inferior (sd, abfd, prog_args, NULL) == SIM_RC_FAIL)
+ exit (1);
+
+ prev_sigint = signal (SIGINT, cntrl_c);
+ if (trace)
+ {
+ int done = 0;
+ while (!done)
+ {
+ done = sim_trace (sd);
+ }
+ }
+ else
+ {
+ sim_resume (sd, 0, 0);
+ }
+ signal (SIGINT, prev_sigint);
+
+ if (verbose)
+ sim_info (sd, 0);
+
+ sim_stop_reason (sd, &reason, &sigrc);
+
+ 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;
+
+ case sim_running:
+ case sim_polling: /* these indicate a serious problem */
+ abort ();
+ break;
+
+ }
+#endif
+
+ return sigrc;
+}
+
+static void
+usage ()
+{
+ fprintf (stderr, "Usage: %s [options] program [program args]\n", myname);
+ fprintf (stderr, "Options:\n");
+ fprintf (stderr, "-a args Pass `args' to simulator.\n");
+#ifdef SIM_HAVE_SIMCACHE
+ fprintf (stderr, "-c size Set simulator cache size to `size'.\n");
+#endif
+#ifdef SIM_H8300
+ fprintf (stderr, "-h Executable is for h8/300h or h8/300s.\n");
+#endif
+ fprintf (stderr, "-m size Set memory size of simulator, in bytes.\n");
+#ifdef SIM_HAVE_PROFILE
+ fprintf (stderr, "-p freq Set profiling frequency.\n");
+ fprintf (stderr, "-s size Set profiling size.\n");
+#endif
+ fprintf (stderr, "-t Perform instruction tracing.\n");
+ fprintf (stderr, " Note: Very few simulators support tracing.\n");
+ fprintf (stderr, "-v Verbose output.\n");
+ fprintf (stderr, "\n");
+ fprintf (stderr, "program args Arguments to pass to simulated program.\n");
+ fprintf (stderr, " Note: Very few simulators support this.\n");
+ exit (1);
+}
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