1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
|
/* run front end support for all the simulators.
Copyright (C) 1992, 93-96, 1997, 2002 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 "gdb/callback.h"
#include "gdb/remote-sim.h"
#include "ansidecl.h"
#include "run-sim.h"
static void usage PARAMS ((void));
extern int optind;
extern char *optarg;
extern host_callback default_callback;
static char *myname;
extern int getopt ();
#ifdef NEED_UI_LOOP_HOOK
/* Gdb foolery. This is only needed for gdb using a gui. */
int (*ui_loop_hook) PARAMS ((int signo));
#endif
static SIM_DESC sd;
static RETSIGTYPE
cntrl_c (int sig ATTRIBUTE_UNUSED)
{
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;
#ifdef SIM_HAVE_ENVIRONMENT
int operating_p = 0;
#endif
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);
#ifdef SIM_TARGET_SWITCHES
ac = sim_target_parse_command_line (ac, av);
#endif
/* 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:op:s:hStv")) != EOF)
#else
while ((i = getopt (ac, av, "a:c:m:op: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_ENVIRONMENT
case 'o':
/* Operating enironment where any signals are delivered to the
target. */
operating_p = 1;
break;
#endif SIM_HAVE_ENVIRONMENT
#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;
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, 0);
break;
case 'S':
set_h8300h (1, 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);
#ifdef SIM_HAVE_ENVIRONMENT
/* NOTE: An old simulator supporting the operating environment MUST
provide sim_set_trace() and not sim_trace(). That way
sim_stop_reason() can be used to determine any stop reason. */
if (trace)
sim_set_trace ();
sigrc = 0;
do
{
prev_sigint = signal (SIGINT, cntrl_c);
sim_resume (sd, 0, sigrc);
signal (SIGINT, prev_sigint);
sim_stop_reason (sd, &reason, &sigrc);
}
while (operating_p && reason == sim_stopped && sigrc != SIGINT);
#else
if (trace)
{
int done = 0;
prev_sigint = signal (SIGINT, cntrl_c);
while (!done)
{
done = sim_trace (sd);
}
signal (SIGINT, prev_sigint);
sim_stop_reason (sd, &reason, &sigrc);
}
else
{
prev_sigint = signal (SIGINT, cntrl_c);
sigrc = 0;
sim_resume (sd, 0, sigrc);
signal (SIGINT, prev_sigint);
sim_stop_reason (sd, &reason, &sigrc);
}
#endif
if (verbose)
sim_info (sd, 0);
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.\n");
fprintf (stderr, "-S Executable is for h8/300s.\n");
#endif
fprintf (stderr, "-m size Set memory size of simulator, in bytes.\n");
#ifdef SIM_HAVE_ENVIRONMENT
fprintf (stderr, "-o Select operating (kernel) environment.\n");
#endif
#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");
#ifdef SIM_TARGET_SWITCHES
fprintf (stderr, "\nTarget specific options:\n");
sim_target_display_usage ();
#endif
exit (1);
}
|