1 /* run front end support for all the simulators.
2 Copyright (C) 1992, 93-96, 1997 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation, Inc.,
16 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18 /* Steve Chamberlain sac@cygnus.com,
19 and others at Cygnus. */
44 #include "libiberty.h"
47 #include "remote-sim.h"
49 #include "../libiberty/alloca-conf.h"
51 static void usage PARAMS ((void));
55 extern host_callback default_callback;
59 /* NOTE: sim_size() and sim_trace() are going away */
60 extern int sim_trace PARAMS ((SIM_DESC sd));
64 #ifdef NEED_UI_LOOP_HOOK
65 /* Gdb foolery. This is only needed for gdb using a gui. */
66 int (*ui_loop_hook) PARAMS ((int signo));
76 fprintf (stderr, "Quit!\n");
86 RETSIGTYPE (*prev_sigint) ();
92 static char *no_args[4];
93 char **sim_argv = &no_args[0];
98 myname = av[0] + strlen (av[0]);
99 while (myname > av[0] && myname[-1] != '/')
102 /* The first element of sim_open's argv is the program name. */
104 #ifdef SIM_HAVE_BIENDIAN
106 no_args[2] = "set-later";
109 /* FIXME: This is currently being migrated into sim_open.
110 Simulators that use functions such as sim_size() still require
112 default_callback.init (&default_callback);
113 sim_set_callbacks (&default_callback);
115 /* FIXME: This is currently being rewritten to have each simulator
116 do all argv processing. */
118 #ifdef SIM_H8300 /* FIXME: quick hack */
119 while ((i = getopt (ac, av, "a:c:m:p:s:htv")) != EOF)
121 while ((i = getopt (ac, av, "a:c:m:p:s:tv")) != EOF)
126 /* FIXME: Temporary hack. */
128 int len = strlen (av[0]) + strlen (optarg);
129 char *argbuf = (char *) alloca (len + 2 + 50);
130 sprintf (argbuf, "%s %s", av[0], optarg);
131 #ifdef SIM_HAVE_BIENDIAN
132 /* The desired endianness must be passed to sim_open.
133 The value for "set-later" is set when we know what it is.
134 -E support isn't yet part of the published interface. */
135 strcat (argbuf, " -E set-later");
137 sim_argv = buildargv (argbuf);
140 #ifdef SIM_HAVE_SIMCACHE
142 sim_set_simcache_size (atoi (optarg));
146 /* FIXME: Rename to sim_set_mem_size. */
147 sim_size (atoi (optarg));
149 #ifdef SIM_HAVE_PROFILE
151 sim_set_profile (atoi (optarg));
154 sim_set_profile_size (atoi (optarg));
159 /* FIXME: need to allow specification of what to trace. */
160 /* sim_set_trace (1); */
163 /* Things that are printed with -v are the kinds of things that
164 gcc -v prints. This is not meant to include detailed tracing
165 or debugging information, just summaries. */
167 /* sim_set_verbose (1); */
169 /* FIXME: Quick hack, to be replaced by more general facility. */
189 printf ("%s %s\n", myname, name);
192 abfd = bfd_openr (name, 0);
195 fprintf (stderr, "%s: can't open %s: %s\n",
196 myname, name, bfd_errmsg (bfd_get_error ()));
200 if (!bfd_check_format (abfd, bfd_object))
202 fprintf (stderr, "%s: can't load %s: %s\n",
203 myname, name, bfd_errmsg (bfd_get_error ()));
207 #ifdef SIM_HAVE_BIENDIAN
208 /* The endianness must be passed to sim_open because one may wish to
209 examine/set registers before calling sim_load [which is the other
210 place where one can determine endianness]. We previously passed the
211 endianness via global `target_byte_order' but that's not a clean
213 for (i = 1; sim_argv[i + 1] != NULL; ++i)
215 if (bfd_big_endian (abfd))
218 sim_argv[i] = "little";
221 /* Ensure that any run-time initialisation that needs to be
222 performed by the simulator can occur. */
223 sd = sim_open (SIM_OPEN_STANDALONE, &default_callback, abfd, sim_argv);
227 if (sim_load (sd, name, abfd, 0) == SIM_RC_FAIL)
230 if (sim_create_inferior (sd, abfd, prog_args, NULL) == SIM_RC_FAIL)
233 prev_sigint = signal (SIGINT, cntrl_c);
239 done = sim_trace (sd);
244 sim_resume (sd, 0, 0);
246 signal (SIGINT, prev_sigint);
251 sim_stop_reason (sd, &reason, &sigrc);
255 /* If reason is sim_exited, then sigrc holds the exit code which we want
256 to return. If reason is sim_stopped or sim_signalled, then sigrc holds
257 the signal that the simulator received; we want to return that to
260 #ifdef SIM_H8300 /* FIXME: Ugh. grep for SLEEP in compile.c */
265 /* Why did we stop? */
271 fprintf (stderr, "program stopped with signal %d.\n", sigrc);
278 case sim_polling: /* these indicate a serious problem */
291 fprintf (stderr, "Usage: %s [options] program [program args]\n", myname);
292 fprintf (stderr, "Options:\n");
293 fprintf (stderr, "-a args Pass `args' to simulator.\n");
294 #ifdef SIM_HAVE_SIMCACHE
295 fprintf (stderr, "-c size Set simulator cache size to `size'.\n");
298 fprintf (stderr, "-h Executable is for h8/300h or h8/300s.\n");
300 fprintf (stderr, "-m size Set memory size of simulator, in bytes.\n");
301 #ifdef SIM_HAVE_PROFILE
302 fprintf (stderr, "-p freq Set profiling frequency.\n");
303 fprintf (stderr, "-s size Set profiling size.\n");
305 fprintf (stderr, "-t Perform instruction tracing.\n");
306 fprintf (stderr, " Note: Very few simulators support tracing.\n");
307 fprintf (stderr, "-v Verbose output.\n");
308 fprintf (stderr, "\n");
309 fprintf (stderr, "program args Arguments to pass to simulated program.\n");
310 fprintf (stderr, " Note: Very few simulators support this.\n");