Commit | Line | Data |
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6834d493 | 1 | /* run front end support for all the simulators. |
0f2811d1 | 2 | Copyright (C) 1992, 93-96, 1997 Free Software Foundation, Inc. |
6834d493 | 3 | |
75cfb486 | 4 | This program is free software; you can redistribute it and/or modify |
6834d493 JW |
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) | |
7 | any later version. | |
8 | ||
75cfb486 | 9 | This program is distributed in the hope that it will be useful, |
6834d493 JW |
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. | |
13 | ||
75cfb486 DE |
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. */ | |
6834d493 | 17 | |
fa21d299 AC |
18 | /* Steve Chamberlain sac@cygnus.com, |
19 | and others at Cygnus. */ | |
6834d493 | 20 | |
fa21d299 AC |
21 | #include "config.h" |
22 | #include "tconfig.h" | |
6834d493 JW |
23 | |
24 | #include <signal.h> | |
25 | #include <stdio.h> | |
fa21d299 AC |
26 | #ifdef __STDC__ |
27 | #include <stdarg.h> | |
28 | #else | |
6834d493 | 29 | #include <varargs.h> |
fa21d299 AC |
30 | #endif |
31 | ||
32 | #ifdef HAVE_STDLIB_H | |
33 | #include <stdlib.h> | |
34 | #endif | |
35 | ||
36 | #ifdef HAVE_STRING_H | |
37 | #include <string.h> | |
38 | #else | |
39 | #ifdef HAVE_STRINGS_H | |
40 | #include <strings.h> | |
41 | #endif | |
42 | #endif | |
43 | ||
44 | #include "libiberty.h" | |
6834d493 | 45 | #include "bfd.h" |
6834d493 | 46 | #include "callback.h" |
fa21d299 | 47 | #include "remote-sim.h" |
6834d493 | 48 | |
bcd1475a DE |
49 | #include "../libiberty/alloca-conf.h" |
50 | ||
fa21d299 | 51 | static void usage PARAMS ((void)); |
6834d493 JW |
52 | extern int optind; |
53 | extern char *optarg; | |
54 | ||
6834d493 | 55 | extern host_callback default_callback; |
fa21d299 AC |
56 | |
57 | static char *myname; | |
58 | ||
59 | ||
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)); | |
63 | ||
64 | extern int getopt (); | |
65 | ||
8517f62b AC |
66 | static SIM_DESC sd; |
67 | ||
68 | static RETSIGTYPE | |
69 | cntrl_c (int sig) | |
70 | { | |
71 | if (! sim_stop (sd)) | |
72 | { | |
73 | fprintf (stderr, "Quit!\n"); | |
74 | exit (1); | |
75 | } | |
76 | } | |
fa21d299 | 77 | |
6834d493 JW |
78 | int |
79 | main (ac, av) | |
80 | int ac; | |
81 | char **av; | |
82 | { | |
8517f62b | 83 | RETSIGTYPE (*prev_sigint) (); |
6834d493 | 84 | bfd *abfd; |
6834d493 JW |
85 | asection *s; |
86 | int i; | |
87 | int verbose = 0; | |
88 | int trace = 0; | |
fa21d299 | 89 | char *name; |
0f2811d1 | 90 | static char *no_args[4]; |
fa21d299 AC |
91 | char **sim_argv = &no_args[0]; |
92 | char **prog_args; | |
6834d493 JW |
93 | enum sim_stop reason; |
94 | int sigrc; | |
fa21d299 AC |
95 | |
96 | myname = av[0] + strlen (av[0]); | |
97 | while (myname > av[0] && myname[-1] != '/') | |
98 | --myname; | |
6834d493 | 99 | |
fa21d299 AC |
100 | /* The first element of sim_open's argv is the program name. */ |
101 | no_args[0] = av[0]; | |
0f2811d1 DE |
102 | no_args[1] = "-E"; |
103 | no_args[2] = "set-later"; | |
fa21d299 AC |
104 | |
105 | /* FIXME: This is currently being rewritten to have each simulator | |
106 | do all argv processing. */ | |
107 | ||
108 | #ifdef SIM_H8300 /* FIXME: quick hack */ | |
109 | while ((i = getopt (ac, av, "a:c:m:p:s:htv")) != EOF) | |
110 | #else | |
111 | while ((i = getopt (ac, av, "a:c:m:p:s:tv")) != EOF) | |
112 | #endif | |
6834d493 JW |
113 | switch (i) |
114 | { | |
fa21d299 AC |
115 | case 'a': |
116 | /* FIXME: Temporary hack. */ | |
117 | { | |
118 | int len = strlen (av[0]) + strlen (optarg); | |
0f2811d1 DE |
119 | char *argbuf = (char *) alloca (len + 2 + 50); |
120 | /* The desired endianness must be passed to sim_open. | |
121 | The value for "set-later" is set when we know what it is. | |
122 | -e support isn't yet part of the published interface. */ | |
123 | sprintf (argbuf, "%s %s -E set-later", av[0], optarg); | |
fa21d299 AC |
124 | sim_argv = buildargv (argbuf); |
125 | } | |
126 | break; | |
127 | #ifdef SIM_HAVE_SIMCACHE | |
128 | case 'c': | |
129 | sim_set_simcache_size (atoi (optarg)); | |
130 | break; | |
131 | #endif | |
6834d493 | 132 | case 'm': |
fa21d299 | 133 | /* FIXME: Rename to sim_set_mem_size. */ |
6834d493 JW |
134 | sim_size (atoi (optarg)); |
135 | break; | |
fa21d299 | 136 | #ifdef SIM_HAVE_PROFILE |
6834d493 JW |
137 | case 'p': |
138 | sim_set_profile (atoi (optarg)); | |
139 | break; | |
140 | case 's': | |
141 | sim_set_profile_size (atoi (optarg)); | |
142 | break; | |
fa21d299 | 143 | #endif |
6834d493 JW |
144 | case 't': |
145 | trace = 1; | |
fa21d299 AC |
146 | /* FIXME: need to allow specification of what to trace. */ |
147 | /* sim_set_trace (1); */ | |
6834d493 JW |
148 | break; |
149 | case 'v': | |
fa21d299 AC |
150 | /* Things that are printed with -v are the kinds of things that |
151 | gcc -v prints. This is not meant to include detailed tracing | |
152 | or debugging information, just summaries. */ | |
6834d493 | 153 | verbose = 1; |
fa21d299 | 154 | /* sim_set_verbose (1); */ |
6834d493 | 155 | break; |
fa21d299 AC |
156 | /* FIXME: Quick hack, to be replaced by more general facility. */ |
157 | #ifdef SIM_H8300 | |
158 | case 'h': | |
159 | set_h8300h (1); | |
160 | break; | |
161 | #endif | |
6834d493 | 162 | default: |
fa21d299 | 163 | usage (); |
6834d493 | 164 | } |
fa21d299 | 165 | |
6834d493 JW |
166 | ac -= optind; |
167 | av += optind; | |
0f2811d1 DE |
168 | if (ac <= 0) |
169 | usage (); | |
6834d493 | 170 | |
6834d493 | 171 | name = *av; |
0f2811d1 | 172 | prog_args = av; |
6834d493 JW |
173 | |
174 | if (verbose) | |
175 | { | |
fa21d299 | 176 | printf ("%s %s\n", myname, name); |
6834d493 | 177 | } |
3be50301 | 178 | |
0f2811d1 DE |
179 | sim_set_callbacks (NULL, &default_callback); |
180 | default_callback.init (&default_callback); | |
181 | ||
182 | abfd = bfd_openr (name, 0); | |
3be50301 JW |
183 | if (!abfd) |
184 | { | |
fa21d299 AC |
185 | fprintf (stderr, "%s: can't open %s: %s\n", |
186 | myname, name, bfd_errmsg (bfd_get_error ())); | |
3be50301 JW |
187 | exit (1); |
188 | } | |
189 | ||
190 | if (!bfd_check_format (abfd, bfd_object)) | |
191 | { | |
fa21d299 AC |
192 | fprintf (stderr, "%s: can't load %s: %s\n", |
193 | myname, name, bfd_errmsg (bfd_get_error ())); | |
3be50301 JW |
194 | exit (1); |
195 | } | |
196 | ||
0f2811d1 DE |
197 | /* The endianness must be passed to sim_open because one may wish to |
198 | examine/set registers before calling sim_load [which is the other | |
199 | place where one can determine endianness]. We previously passed the | |
200 | endianness via global `target_byte_order' but that's not a clean | |
201 | interface. */ | |
202 | for (i = 1; sim_argv[i + 1] != NULL; ++i) | |
203 | continue; | |
204 | if (bfd_big_endian (abfd)) | |
205 | sim_argv[i] = "big"; | |
206 | else | |
207 | sim_argv[i] = "little"; | |
3be50301 | 208 | |
9b280a86 MM |
209 | /* Ensure that any run-time initialisation that needs to be |
210 | performed by the simulator can occur. */ | |
bcd1475a | 211 | sd = sim_open (SIM_OPEN_STANDALONE, sim_argv); |
f7d2f538 DE |
212 | if (sd == 0) |
213 | exit (1); | |
9b280a86 | 214 | |
0f2811d1 DE |
215 | if (sim_load (sd, name, abfd, 0) == SIM_RC_FAIL) |
216 | exit (1); | |
3be50301 | 217 | |
0f2811d1 DE |
218 | if (sim_create_inferior (sd, prog_args, NULL) == SIM_RC_FAIL) |
219 | exit (1); | |
6834d493 | 220 | |
8517f62b | 221 | prev_sigint = signal (SIGINT, cntrl_c); |
3be50301 JW |
222 | if (trace) |
223 | { | |
224 | int done = 0; | |
225 | while (!done) | |
226 | { | |
fa21d299 | 227 | done = sim_trace (sd); |
6834d493 JW |
228 | } |
229 | } | |
3be50301 JW |
230 | else |
231 | { | |
fa21d299 | 232 | sim_resume (sd, 0, 0); |
3be50301 | 233 | } |
8517f62b | 234 | signal (SIGINT, prev_sigint); |
0f2811d1 | 235 | |
3be50301 | 236 | if (verbose) |
fa21d299 | 237 | sim_info (sd, 0); |
3be50301 | 238 | |
fa21d299 | 239 | sim_stop_reason (sd, &reason, &sigrc); |
6834d493 | 240 | |
fa21d299 | 241 | sim_close (sd, 0); |
9b280a86 | 242 | |
fa21d299 AC |
243 | /* If reason is sim_exited, then sigrc holds the exit code which we want |
244 | to return. If reason is sim_stopped or sim_signalled, then sigrc holds | |
245 | the signal that the simulator received; we want to return that to | |
246 | indicate failure. */ | |
247 | ||
248 | #ifdef SIM_H8300 /* FIXME: Ugh. grep for SLEEP in compile.c */ | |
249 | if (sigrc == SIGILL) | |
250 | abort (); | |
251 | sigrc = 0; | |
252 | #else | |
57bc1a72 MM |
253 | /* Why did we stop? */ |
254 | switch (reason) | |
255 | { | |
256 | case sim_signalled: | |
257 | case sim_stopped: | |
fa21d299 AC |
258 | if (sigrc != 0) |
259 | fprintf (stderr, "program stopped with signal %d.\n", sigrc); | |
57bc1a72 MM |
260 | break; |
261 | ||
262 | case sim_exited: | |
263 | break; | |
264 | } | |
fa21d299 | 265 | #endif |
57bc1a72 | 266 | |
3be50301 | 267 | return sigrc; |
6834d493 JW |
268 | } |
269 | ||
fa21d299 AC |
270 | static void |
271 | usage () | |
6834d493 | 272 | { |
fa21d299 AC |
273 | fprintf (stderr, "Usage: %s [options] program [program args]\n", myname); |
274 | fprintf (stderr, "Options:\n"); | |
275 | fprintf (stderr, "-a args Pass `args' to simulator.\n"); | |
276 | #ifdef SIM_HAVE_SIMCACHE | |
277 | fprintf (stderr, "-c size Set simulator cache size to `size'.\n"); | |
278 | #endif | |
279 | #ifdef SIM_H8300 | |
280 | fprintf (stderr, "-h Executable is for h8/300h or h8/300s.\n"); | |
281 | #endif | |
282 | fprintf (stderr, "-m size Set memory size of simulator, in bytes.\n"); | |
283 | #ifdef SIM_HAVE_PROFILE | |
284 | fprintf (stderr, "-p freq Set profiling frequency.\n"); | |
285 | fprintf (stderr, "-s size Set profiling size.\n"); | |
286 | #endif | |
287 | fprintf (stderr, "-t Perform instruction tracing.\n"); | |
288 | fprintf (stderr, " Note: Very few simulators support tracing.\n"); | |
289 | fprintf (stderr, "-v Verbose output.\n"); | |
290 | fprintf (stderr, "\n"); | |
291 | fprintf (stderr, "program args Arguments to pass to simulated program.\n"); | |
292 | fprintf (stderr, " Note: Very few simulators support this.\n"); | |
6834d493 JW |
293 | exit (1); |
294 | } |