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;
60 /* NOTE: sim_size() and sim_trace() are going away */
61 extern void sim_size PARAMS ((int i));
62 extern int sim_trace PARAMS ((SIM_DESC sd));
78 static char *no_args[4];
79 char **sim_argv = &no_args[0];
85 myname = av[0] + strlen (av[0]);
86 while (myname > av[0] && myname[-1] != '/')
89 /* The first element of sim_open's argv is the program name. */
92 no_args[2] = "set-later";
94 /* FIXME: This is currently being rewritten to have each simulator
95 do all argv processing. */
97 #ifdef SIM_H8300 /* FIXME: quick hack */
98 while ((i = getopt (ac, av, "a:c:m:p:s:htv")) != EOF)
100 while ((i = getopt (ac, av, "a:c:m:p:s:tv")) != EOF)
105 /* FIXME: Temporary hack. */
107 int len = strlen (av[0]) + strlen (optarg);
108 char *argbuf = (char *) alloca (len + 2 + 50);
109 /* The desired endianness must be passed to sim_open.
110 The value for "set-later" is set when we know what it is.
111 -e support isn't yet part of the published interface. */
112 sprintf (argbuf, "%s %s -E set-later", av[0], optarg);
113 sim_argv = buildargv (argbuf);
116 #ifdef SIM_HAVE_SIMCACHE
118 sim_set_simcache_size (atoi (optarg));
122 /* FIXME: Rename to sim_set_mem_size. */
123 sim_size (atoi (optarg));
125 #ifdef SIM_HAVE_PROFILE
127 sim_set_profile (atoi (optarg));
130 sim_set_profile_size (atoi (optarg));
135 /* FIXME: need to allow specification of what to trace. */
136 /* sim_set_trace (1); */
139 /* Things that are printed with -v are the kinds of things that
140 gcc -v prints. This is not meant to include detailed tracing
141 or debugging information, just summaries. */
143 /* sim_set_verbose (1); */
145 /* FIXME: Quick hack, to be replaced by more general facility. */
165 printf ("%s %s\n", myname, name);
168 sim_set_callbacks (NULL, &default_callback);
169 default_callback.init (&default_callback);
171 abfd = bfd_openr (name, 0);
174 fprintf (stderr, "%s: can't open %s: %s\n",
175 myname, name, bfd_errmsg (bfd_get_error ()));
179 if (!bfd_check_format (abfd, bfd_object))
181 fprintf (stderr, "%s: can't load %s: %s\n",
182 myname, name, bfd_errmsg (bfd_get_error ()));
186 /* The endianness must be passed to sim_open because one may wish to
187 examine/set registers before calling sim_load [which is the other
188 place where one can determine endianness]. We previously passed the
189 endianness via global `target_byte_order' but that's not a clean
191 for (i = 1; sim_argv[i + 1] != NULL; ++i)
193 if (bfd_big_endian (abfd))
196 sim_argv[i] = "little";
198 /* Ensure that any run-time initialisation that needs to be
199 performed by the simulator can occur. */
200 sd = sim_open (SIM_OPEN_STANDALONE, sim_argv);
204 if (sim_load (sd, name, abfd, 0) == SIM_RC_FAIL)
207 if (sim_create_inferior (sd, prog_args, NULL) == SIM_RC_FAIL)
215 done = sim_trace (sd);
220 sim_resume (sd, 0, 0);
226 sim_stop_reason (sd, &reason, &sigrc);
230 /* If reason is sim_exited, then sigrc holds the exit code which we want
231 to return. If reason is sim_stopped or sim_signalled, then sigrc holds
232 the signal that the simulator received; we want to return that to
235 #ifdef SIM_H8300 /* FIXME: Ugh. grep for SLEEP in compile.c */
240 /* Why did we stop? */
246 fprintf (stderr, "program stopped with signal %d.\n", sigrc);
260 fprintf (stderr, "Usage: %s [options] program [program args]\n", myname);
261 fprintf (stderr, "Options:\n");
262 fprintf (stderr, "-a args Pass `args' to simulator.\n");
263 #ifdef SIM_HAVE_SIMCACHE
264 fprintf (stderr, "-c size Set simulator cache size to `size'.\n");
267 fprintf (stderr, "-h Executable is for h8/300h or h8/300s.\n");
269 fprintf (stderr, "-m size Set memory size of simulator, in bytes.\n");
270 #ifdef SIM_HAVE_PROFILE
271 fprintf (stderr, "-p freq Set profiling frequency.\n");
272 fprintf (stderr, "-s size Set profiling size.\n");
274 fprintf (stderr, "-t Perform instruction tracing.\n");
275 fprintf (stderr, " Note: Very few simulators support tracing.\n");
276 fprintf (stderr, "-v Verbose output.\n");
277 fprintf (stderr, "\n");
278 fprintf (stderr, "program args Arguments to pass to simulated program.\n");
279 fprintf (stderr, " Note: Very few simulators support this.\n");