Commit | Line | Data |
---|---|---|
4ede3a83 DE |
1 | /* Simulator option handling. |
2 | Copyright (C) 1996, 1997 Free Software Foundation, Inc. | |
3 | Contributed by Cygnus Support. | |
4 | ||
5 | This file is part of GDB, the GNU debugger. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License along | |
18 | with this program; if not, write to the Free Software Foundation, Inc., | |
19 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include "sim-main.h" | |
22 | #ifdef HAVE_STRING_H | |
23 | #include <string.h> | |
24 | #else | |
25 | #ifdef HAVE_STRINGS_H | |
26 | #include <strings.h> | |
27 | #endif | |
28 | #endif | |
50a2a691 AC |
29 | #ifdef HAVE_STDLIB_H |
30 | #include <stdlib.h> | |
31 | #endif | |
32 | #include <ctype.h> | |
4ede3a83 | 33 | #include "libiberty.h" |
4ede3a83 DE |
34 | #include "sim-options.h" |
35 | #include "sim-io.h" | |
50a2a691 | 36 | #include "sim-assert.h" |
4ede3a83 | 37 | |
18c319ae AC |
38 | #include "bfd.h" |
39 | ||
4ede3a83 DE |
40 | /* Add a set of options to the simulator. |
41 | TABLE is an array of OPTIONS terminated by a NULL `opt.name' entry. | |
42 | This is intended to be called by modules in their `install' handler. */ | |
43 | ||
44 | SIM_RC | |
966df580 | 45 | sim_add_option_table (SIM_DESC sd, sim_cpu *cpu, const OPTION *table) |
4ede3a83 DE |
46 | { |
47 | struct option_list *ol = ((struct option_list *) | |
48 | xmalloc (sizeof (struct option_list))); | |
49 | ||
50 | /* Note: The list is constructed in the reverse order we're called so | |
51 | later calls will override earlier ones (in case that ever happens). | |
52 | This is the intended behaviour. */ | |
966df580 DE |
53 | |
54 | if (cpu) | |
55 | { | |
56 | ol->next = CPU_OPTIONS (cpu); | |
57 | ol->options = table; | |
58 | CPU_OPTIONS (cpu) = ol; | |
59 | } | |
60 | else | |
61 | { | |
62 | ol->next = STATE_OPTIONS (sd); | |
63 | ol->options = table; | |
64 | STATE_OPTIONS (sd) = ol; | |
65 | } | |
4ede3a83 DE |
66 | |
67 | return SIM_RC_OK; | |
68 | } | |
69 | ||
70 | /* Standard option table. | |
71 | Modules may specify additional ones. | |
72 | The caller of sim_parse_args may also specify additional options | |
73 | by calling sim_add_option_table first. */ | |
74 | ||
75 | static DECLARE_OPTION_HANDLER (standard_option_handler); | |
76 | ||
77 | /* FIXME: We shouldn't print in --help output options that aren't usable. | |
78 | Some fine tuning will be necessary. One can either move less general | |
79 | options to another table or use a HAVE_FOO macro to ifdef out unavailable | |
80 | options. */ | |
81 | ||
e65bd1d8 DE |
82 | /* ??? One might want to conditionally compile out the entries that |
83 | aren't enabled. There's a distinction, however, between options a | |
84 | simulator can't support and options that haven't been configured in. | |
85 | Certainly options a simulator can't support shouldn't appear in the | |
86 | output of --help. Whether the same thing applies to options that haven't | |
87 | been configured in or not isn't something I can get worked up over. | |
88 | [Note that conditionally compiling them out might simply involve moving | |
89 | the option to another table.] | |
90 | If you decide to conditionally compile them out as well, delete this | |
91 | comment and add a comment saying that that is the rule. */ | |
92 | ||
22469a10 DE |
93 | typedef enum { |
94 | OPTION_DEBUG_INSN = OPTION_START, | |
95 | OPTION_DEBUG_FILE, | |
96 | OPTION_DO_COMMAND, | |
97 | OPTION_ARCHITECTURE, | |
98 | OPTION_TARGET, | |
99 | OPTION_ARCHITECTURE_INFO, | |
100 | OPTION_ENVIRONMENT, | |
101 | OPTION_ALIGNMENT, | |
102 | OPTION_VERBOSE, | |
103 | #if defined (SIM_HAVE_BIENDIAN) | |
104 | OPTION_ENDIAN, | |
105 | #endif | |
106 | OPTION_DEBUG, | |
107 | #ifdef SIM_HAVE_FLATMEM | |
108 | OPTION_MEM_SIZE, | |
109 | #endif | |
110 | OPTION_HELP, | |
111 | #ifdef SIM_H8300 /* FIXME: Should be movable to h8300 dir. */ | |
112 | OPTION_H8300, | |
113 | #endif | |
114 | } STANDARD_OPTIONS; | |
4ede3a83 DE |
115 | |
116 | static const OPTION standard_options[] = | |
117 | { | |
22469a10 | 118 | { {"verbose", no_argument, NULL, OPTION_VERBOSE}, |
4ede3a83 DE |
119 | 'v', NULL, "Verbose output", |
120 | standard_option_handler }, | |
121 | ||
e65bd1d8 | 122 | #if defined (SIM_HAVE_BIENDIAN) /* ??? && WITH_TARGET_BYTE_ORDER == 0 */ |
22469a10 | 123 | { {"endian", required_argument, NULL, OPTION_ENDIAN}, |
e65bd1d8 DE |
124 | 'E', "big|little", "Set endianness", |
125 | standard_option_handler }, | |
126 | #endif | |
127 | ||
22469a10 DE |
128 | #ifdef SIM_HAVE_ENVIRONMENT |
129 | /* This option isn't supported unless all choices are supported in keeping | |
130 | with the goal of not printing in --help output things the simulator can't | |
131 | do [as opposed to things that just haven't been configured in]. */ | |
132 | { {"environment", required_argument, NULL, OPTION_ENVIRONMENT}, | |
133 | '\0', "user|virtual|operating", "Set running environment", | |
134 | standard_option_handler }, | |
135 | #endif | |
136 | ||
b45caf05 AC |
137 | { {"alignment", required_argument, NULL, OPTION_ALIGNMENT}, |
138 | '\0', "strict|nonstrict|forced", "Set memory access alignment", | |
139 | standard_option_handler }, | |
140 | ||
22469a10 | 141 | { {"debug", no_argument, NULL, OPTION_DEBUG}, |
4ede3a83 DE |
142 | 'D', NULL, "Print debugging messages", |
143 | standard_option_handler }, | |
144 | { {"debug-insn", no_argument, NULL, OPTION_DEBUG_INSN}, | |
145 | '\0', NULL, "Print instruction debugging messages", | |
146 | standard_option_handler }, | |
147 | { {"debug-file", required_argument, NULL, OPTION_DEBUG_FILE}, | |
148 | '\0', "FILE NAME", "Specify debugging output file", | |
149 | standard_option_handler }, | |
150 | ||
4ede3a83 | 151 | #ifdef SIM_H8300 /* FIXME: Should be movable to h8300 dir. */ |
22469a10 | 152 | { {"h8300h", no_argument, NULL, OPTION_H8300}, |
4ede3a83 DE |
153 | 'h', NULL, "Indicate the CPU is h8/300h or h8/300s", |
154 | standard_option_handler }, | |
155 | #endif | |
156 | ||
4ede3a83 | 157 | #ifdef SIM_HAVE_FLATMEM |
22469a10 | 158 | { {"mem-size", required_argument, NULL, OPTION_MEM_SIZE}, |
4ede3a83 DE |
159 | 'm', "MEMORY SIZE", "Specify memory size", |
160 | standard_option_handler }, | |
161 | #endif | |
162 | ||
43c53e07 | 163 | { {"do-command", required_argument, NULL, OPTION_DO_COMMAND}, |
50a2a691 | 164 | '\0', "COMMAND", ""/*undocumented*/, |
43c53e07 AC |
165 | standard_option_handler }, |
166 | ||
22469a10 | 167 | { {"help", no_argument, NULL, OPTION_HELP}, |
4ede3a83 DE |
168 | 'H', NULL, "Print help information", |
169 | standard_option_handler }, | |
170 | ||
18c319ae AC |
171 | { {"architecture", required_argument, NULL, OPTION_ARCHITECTURE}, |
172 | '\0', "MACHINE", "Specify the architecture to use", | |
173 | standard_option_handler }, | |
d0b59aa5 AC |
174 | { {"architecture-info", no_argument, NULL, OPTION_ARCHITECTURE_INFO}, |
175 | '\0', NULL, "List supported architectures", | |
176 | standard_option_handler }, | |
177 | { {"info-architecture", no_argument, NULL, OPTION_ARCHITECTURE_INFO}, | |
178 | '\0', NULL, NULL, | |
179 | standard_option_handler }, | |
18c319ae AC |
180 | |
181 | { {"target", required_argument, NULL, OPTION_TARGET}, | |
182 | '\0', "BFDNAME", "Specify the object-code format for the object files", | |
183 | standard_option_handler }, | |
184 | ||
4ede3a83 DE |
185 | { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL } |
186 | }; | |
187 | ||
188 | static SIM_RC | |
966df580 DE |
189 | standard_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt, |
190 | char *arg, int is_command) | |
4ede3a83 DE |
191 | { |
192 | int i,n; | |
4ede3a83 | 193 | |
22469a10 | 194 | switch ((STANDARD_OPTIONS) opt) |
4ede3a83 | 195 | { |
22469a10 | 196 | case OPTION_VERBOSE: |
4ede3a83 DE |
197 | STATE_VERBOSE_P (sd) = 1; |
198 | break; | |
199 | ||
e65bd1d8 | 200 | #ifdef SIM_HAVE_BIENDIAN |
22469a10 | 201 | case OPTION_ENDIAN: |
e65bd1d8 DE |
202 | if (strcmp (arg, "big") == 0) |
203 | { | |
204 | if (WITH_TARGET_BYTE_ORDER == LITTLE_ENDIAN) | |
205 | { | |
206 | sim_io_eprintf (sd, "Simulator compiled for little endian only.\n"); | |
207 | return SIM_RC_FAIL; | |
208 | } | |
209 | /* FIXME:wip: Need to set something in STATE_CONFIG. */ | |
50a2a691 | 210 | current_target_byte_order = BIG_ENDIAN; |
e65bd1d8 DE |
211 | } |
212 | else if (strcmp (arg, "little") == 0) | |
213 | { | |
214 | if (WITH_TARGET_BYTE_ORDER == BIG_ENDIAN) | |
215 | { | |
216 | sim_io_eprintf (sd, "Simulator compiled for big endian only.\n"); | |
217 | return SIM_RC_FAIL; | |
218 | } | |
219 | /* FIXME:wip: Need to set something in STATE_CONFIG. */ | |
50a2a691 | 220 | current_target_byte_order = LITTLE_ENDIAN; |
e65bd1d8 DE |
221 | } |
222 | else | |
223 | { | |
224 | sim_io_eprintf (sd, "Invalid endian specification `%s'\n", arg); | |
225 | return SIM_RC_FAIL; | |
226 | } | |
227 | break; | |
228 | #endif | |
229 | ||
22469a10 DE |
230 | case OPTION_ENVIRONMENT: |
231 | if (strcmp (arg, "user") == 0) | |
232 | current_environment = USER_ENVIRONMENT; | |
233 | else if (strcmp (arg, "virtual") == 0) | |
234 | current_environment = VIRTUAL_ENVIRONMENT; | |
235 | else if (strcmp (arg, "operating") == 0) | |
236 | current_environment = OPERATING_ENVIRONMENT; | |
237 | else | |
238 | { | |
239 | sim_io_eprintf (sd, "Invalid environment specification `%s'\n", arg); | |
240 | return SIM_RC_FAIL; | |
241 | } | |
242 | if (WITH_ENVIRONMENT != ALL_ENVIRONMENT | |
243 | && WITH_ENVIRONMENT != current_environment) | |
244 | { | |
245 | char *type; | |
246 | switch (WITH_ENVIRONMENT) | |
247 | { | |
248 | case USER_ENVIRONMENT: type = "user"; break; | |
249 | case VIRTUAL_ENVIRONMENT: type = "virtual"; break; | |
250 | case OPERATING_ENVIRONMENT: type = "operating"; break; | |
251 | } | |
252 | sim_io_eprintf (sd, "Simulator compiled for the %s environment only.\n", | |
253 | type); | |
254 | return SIM_RC_FAIL; | |
255 | } | |
256 | break; | |
257 | ||
b45caf05 AC |
258 | case OPTION_ALIGNMENT: |
259 | if (strcmp (arg, "strict") == 0) | |
260 | { | |
261 | if (WITH_ALIGNMENT == 0 || WITH_ALIGNMENT == STRICT_ALIGNMENT) | |
262 | { | |
263 | current_alignment = STRICT_ALIGNMENT; | |
264 | break; | |
265 | } | |
266 | } | |
267 | else if (strcmp (arg, "nonstrict") == 0) | |
268 | { | |
269 | if (WITH_ALIGNMENT == 0 || WITH_ALIGNMENT == NONSTRICT_ALIGNMENT) | |
270 | { | |
271 | current_alignment = NONSTRICT_ALIGNMENT; | |
272 | break; | |
273 | } | |
274 | } | |
275 | else if (strcmp (arg, "forced") == 0) | |
276 | { | |
277 | if (WITH_ALIGNMENT == 0 || WITH_ALIGNMENT == FORCED_ALIGNMENT) | |
278 | { | |
279 | current_alignment = FORCED_ALIGNMENT; | |
280 | break; | |
281 | } | |
282 | } | |
283 | else | |
284 | { | |
285 | sim_io_eprintf (sd, "Invalid alignment specification `%s'\n", arg); | |
286 | return SIM_RC_FAIL; | |
287 | } | |
288 | switch (WITH_ALIGNMENT) | |
289 | { | |
290 | case STRICT_ALIGNMENT: | |
291 | sim_io_eprintf (sd, "Simulator compiled for strict alignment only.\n"); | |
292 | break; | |
293 | case NONSTRICT_ALIGNMENT: | |
22469a10 | 294 | sim_io_eprintf (sd, "Simulator compiled for nonstrict alignment only.\n"); |
b45caf05 AC |
295 | break; |
296 | case FORCED_ALIGNMENT: | |
297 | sim_io_eprintf (sd, "Simulator compiled for forced alignment only.\n"); | |
298 | break; | |
299 | } | |
300 | return SIM_RC_FAIL; | |
301 | ||
22469a10 | 302 | case OPTION_DEBUG: |
4ede3a83 DE |
303 | if (! WITH_DEBUG) |
304 | sim_io_eprintf (sd, "Debugging not compiled in, `-D' ignored\n"); | |
305 | else | |
306 | { | |
307 | for (n = 0; n < MAX_NR_PROCESSORS; ++n) | |
308 | for (i = 0; i < MAX_DEBUG_VALUES; ++i) | |
309 | CPU_DEBUG_FLAGS (STATE_CPU (sd, n))[i] = 1; | |
310 | } | |
311 | break; | |
312 | ||
313 | case OPTION_DEBUG_INSN : | |
314 | if (! WITH_DEBUG) | |
315 | sim_io_eprintf (sd, "Debugging not compiled in, `--debug-insn' ignored\n"); | |
316 | else | |
317 | { | |
318 | for (n = 0; n < MAX_NR_PROCESSORS; ++n) | |
319 | CPU_DEBUG_FLAGS (STATE_CPU (sd, n))[DEBUG_INSN_IDX] = 1; | |
320 | } | |
321 | break; | |
322 | ||
323 | case OPTION_DEBUG_FILE : | |
324 | if (! WITH_DEBUG) | |
325 | sim_io_eprintf (sd, "Debugging not compiled in, `--debug-file' ignored\n"); | |
326 | else | |
327 | { | |
328 | FILE *f = fopen (arg, "w"); | |
329 | ||
330 | if (f == NULL) | |
331 | { | |
332 | sim_io_eprintf (sd, "Unable to open debug output file `%s'\n", arg); | |
333 | return SIM_RC_FAIL; | |
334 | } | |
335 | for (n = 0; n < MAX_NR_PROCESSORS; ++n) | |
336 | CPU_DEBUG_FILE (STATE_CPU (sd, n)) = f; | |
337 | } | |
338 | break; | |
339 | ||
4ede3a83 | 340 | #ifdef SIM_H8300 /* FIXME: Can be moved to h8300 dir. */ |
22469a10 | 341 | case OPTION_H8300: |
4ede3a83 DE |
342 | set_h8300h (1); |
343 | break; | |
344 | #endif | |
345 | ||
4ede3a83 | 346 | #ifdef SIM_HAVE_FLATMEM |
22469a10 | 347 | case OPTION_MEM_SIZE: |
43c53e07 AC |
348 | { |
349 | unsigned long ul = strtol (arg, NULL, 0); | |
350 | /* 16384: some minimal amount */ | |
351 | if (! isdigit (arg[0]) || ul < 16384) | |
352 | { | |
353 | sim_io_eprintf (sd, "Invalid memory size `%s'", arg); | |
354 | return SIM_RC_FAIL; | |
355 | } | |
356 | STATE_MEM_SIZE (sd) = ul; | |
357 | } | |
4ede3a83 DE |
358 | break; |
359 | #endif | |
360 | ||
43c53e07 AC |
361 | case OPTION_DO_COMMAND: |
362 | sim_do_command (sd, arg); | |
363 | break; | |
364 | ||
18c319ae AC |
365 | case OPTION_ARCHITECTURE: |
366 | { | |
367 | const struct bfd_arch_info *ap = bfd_scan_arch (arg); | |
368 | if (ap == NULL) | |
369 | { | |
370 | sim_io_eprintf (sd, "Architecture `%s' unknown\n", arg); | |
371 | return SIM_RC_FAIL; | |
372 | } | |
373 | STATE_ARCHITECTURE (sd) = ap; | |
374 | break; | |
375 | } | |
376 | ||
d0b59aa5 AC |
377 | case OPTION_ARCHITECTURE_INFO: |
378 | { | |
379 | const char **list = bfd_arch_list(); | |
380 | const char **lp; | |
381 | if (list == NULL) | |
382 | abort (); | |
966df580 | 383 | sim_io_printf (sd, "Possible architectures:"); |
d0b59aa5 AC |
384 | for (lp = list; *lp != NULL; lp++) |
385 | sim_io_printf (sd, " %s", *lp); | |
386 | sim_io_printf (sd, "\n"); | |
387 | free (list); | |
388 | break; | |
389 | } | |
390 | ||
18c319ae AC |
391 | case OPTION_TARGET: |
392 | { | |
36db8e64 | 393 | STATE_TARGET (sd) = xstrdup (arg); |
18c319ae AC |
394 | break; |
395 | } | |
396 | ||
22469a10 | 397 | case OPTION_HELP: |
2f2e6c5d | 398 | sim_print_help (sd, is_command); |
4ede3a83 DE |
399 | if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE) |
400 | exit (0); | |
401 | /* FIXME: 'twould be nice to do something similar if gdb. */ | |
402 | break; | |
403 | } | |
404 | ||
405 | return SIM_RC_OK; | |
406 | } | |
407 | ||
c967f187 | 408 | /* Add the standard option list to the simulator. */ |
4ede3a83 DE |
409 | |
410 | SIM_RC | |
c967f187 | 411 | standard_install (SIM_DESC sd) |
4ede3a83 | 412 | { |
50a2a691 | 413 | SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER); |
966df580 | 414 | if (sim_add_option_table (sd, NULL, standard_options) != SIM_RC_OK) |
4ede3a83 | 415 | return SIM_RC_FAIL; |
4ede3a83 DE |
416 | return SIM_RC_OK; |
417 | } | |
418 | ||
419 | /* Return non-zero if arg is a duplicate argument. | |
420 | If ARG is NULL, initialize. */ | |
421 | ||
422 | #define ARG_HASH_SIZE 97 | |
423 | #define ARG_HASH(a) ((256 * (unsigned char) a[0] + (unsigned char) a[1]) % ARG_HASH_SIZE) | |
424 | ||
425 | static int | |
426 | dup_arg_p (arg) | |
427 | char *arg; | |
428 | { | |
429 | int hash; | |
430 | static char **arg_table = NULL; | |
431 | ||
432 | if (arg == NULL) | |
433 | { | |
434 | if (arg_table == NULL) | |
435 | arg_table = (char **) xmalloc (ARG_HASH_SIZE * sizeof (char *)); | |
436 | memset (arg_table, 0, ARG_HASH_SIZE * sizeof (char *)); | |
437 | return 0; | |
438 | } | |
439 | ||
440 | hash = ARG_HASH (arg); | |
441 | while (arg_table[hash] != NULL) | |
442 | { | |
443 | if (strcmp (arg, arg_table[hash]) == 0) | |
444 | return 1; | |
445 | /* We assume there won't be more than ARG_HASH_SIZE arguments so we | |
446 | don't check if the table is full. */ | |
447 | if (++hash == ARG_HASH_SIZE) | |
448 | hash = 0; | |
449 | } | |
450 | arg_table[hash] = arg; | |
451 | return 0; | |
452 | } | |
453 | ||
454 | /* Called by sim_open to parse the arguments. */ | |
455 | ||
456 | SIM_RC | |
457 | sim_parse_args (sd, argv) | |
458 | SIM_DESC sd; | |
459 | char **argv; | |
460 | { | |
966df580 | 461 | int c, i, argc, num_opts; |
4ede3a83 DE |
462 | char *p, *short_options; |
463 | /* The `val' option struct entry is dynamically assigned for options that | |
464 | only come in the long form. ORIG_VAL is used to get the original value | |
465 | back. */ | |
22469a10 | 466 | int *orig_val; |
4ede3a83 DE |
467 | struct option *lp, *long_options; |
468 | const struct option_list *ol; | |
469 | const OPTION *opt; | |
470 | OPTION_HANDLER **handlers; | |
966df580 | 471 | sim_cpu **opt_cpu; |
4ede3a83 DE |
472 | |
473 | /* Count the number of arguments. */ | |
474 | for (argc = 0; argv[argc] != NULL; ++argc) | |
475 | continue; | |
476 | ||
477 | /* Count the number of options. */ | |
478 | num_opts = 0; | |
479 | for (ol = STATE_OPTIONS (sd); ol != NULL; ol = ol->next) | |
22469a10 | 480 | for (opt = ol->options; OPTION_VALID_P (opt); ++opt) |
4ede3a83 | 481 | ++num_opts; |
966df580 DE |
482 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) |
483 | for (ol = CPU_OPTIONS (STATE_CPU (sd, i)); ol != NULL; ol = ol->next) | |
484 | for (opt = ol->options; OPTION_VALID_P (opt); ++opt) | |
485 | ++num_opts; | |
4ede3a83 DE |
486 | |
487 | /* Initialize duplicate argument checker. */ | |
488 | (void) dup_arg_p (NULL); | |
489 | ||
490 | /* Build the option table for getopt. */ | |
966df580 | 491 | |
22469a10 | 492 | long_options = NZALLOC (struct option, num_opts + 1); |
4ede3a83 | 493 | lp = long_options; |
22469a10 | 494 | short_options = NZALLOC (char, num_opts * 3 + 1); |
4ede3a83 | 495 | p = short_options; |
22469a10 DE |
496 | handlers = NZALLOC (OPTION_HANDLER *, OPTION_START + num_opts); |
497 | orig_val = NZALLOC (int, OPTION_START + num_opts); | |
966df580 DE |
498 | opt_cpu = NZALLOC (sim_cpu *, OPTION_START + num_opts); |
499 | ||
22469a10 DE |
500 | /* Set '+' as first char so argument permutation isn't done. This |
501 | is done to stop getopt_long returning options that appear after | |
502 | the target program. Such options should be passed unchanged into | |
503 | the program image. */ | |
4ede3a83 | 504 | *p++ = '+'; |
966df580 | 505 | |
4ede3a83 | 506 | for (i = OPTION_START, ol = STATE_OPTIONS (sd); ol != NULL; ol = ol->next) |
22469a10 | 507 | for (opt = ol->options; OPTION_VALID_P (opt); ++opt) |
4ede3a83 DE |
508 | { |
509 | if (dup_arg_p (opt->opt.name)) | |
510 | continue; | |
511 | if (opt->shortopt != 0) | |
512 | { | |
513 | *p++ = opt->shortopt; | |
514 | if (opt->opt.has_arg == required_argument) | |
515 | *p++ = ':'; | |
516 | else if (opt->opt.has_arg == optional_argument) | |
517 | { *p++ = ':'; *p++ = ':'; } | |
22469a10 DE |
518 | handlers[(unsigned char) opt->shortopt] = opt->handler; |
519 | if (opt->opt.val != 0) | |
520 | orig_val[(unsigned char) opt->shortopt] = opt->opt.val; | |
521 | else | |
522 | orig_val[(unsigned char) opt->shortopt] = opt->shortopt; | |
523 | } | |
524 | if (opt->opt.name != NULL) | |
525 | { | |
526 | *lp = opt->opt; | |
527 | /* Dynamically assign `val' numbers for long options. */ | |
528 | lp->val = i++; | |
529 | handlers[lp->val] = opt->handler; | |
530 | orig_val[lp->val] = opt->opt.val; | |
966df580 | 531 | opt_cpu[lp->val] = NULL; |
22469a10 | 532 | ++lp; |
4ede3a83 | 533 | } |
4ede3a83 | 534 | } |
966df580 DE |
535 | |
536 | for (c = 0; c < MAX_NR_PROCESSORS; ++c) | |
537 | { | |
538 | sim_cpu *cpu = STATE_CPU (sd, c); | |
539 | for (ol = CPU_OPTIONS (cpu); ol != NULL; ol = ol->next) | |
540 | for (opt = ol->options; OPTION_VALID_P (opt); ++opt) | |
541 | { | |
542 | #if 0 /* Each option is prepended with --<cpuname>- so this greatly cuts down | |
543 | on the need for dup_arg_p checking. Maybe in the future it'll be | |
544 | needed so this is just commented out, and not deleted. */ | |
545 | if (dup_arg_p (opt->opt.name)) | |
546 | continue; | |
547 | #endif | |
548 | /* Don't allow short versions of cpu specific options for now. */ | |
549 | if (opt->shortopt != 0) | |
550 | { | |
551 | sim_io_eprintf (sd, "internal error, short cpu specific option"); | |
552 | return SIM_RC_FAIL; | |
553 | } | |
554 | if (opt->opt.name != NULL) | |
555 | { | |
baf8377d | 556 | char *name; |
966df580 DE |
557 | *lp = opt->opt; |
558 | /* Prepend --<cpuname>- to the option. */ | |
baf8377d AC |
559 | asprintf (&name, "%s-%s", CPU_NAME (cpu), lp->name); |
560 | lp->name = name; | |
966df580 DE |
561 | /* Dynamically assign `val' numbers for long options. */ |
562 | lp->val = i++; | |
563 | handlers[lp->val] = opt->handler; | |
564 | orig_val[lp->val] = opt->opt.val; | |
565 | opt_cpu[lp->val] = cpu; | |
566 | ++lp; | |
567 | } | |
568 | } | |
569 | } | |
570 | ||
571 | /* Terminate the short and long option lists. */ | |
4ede3a83 DE |
572 | *p = 0; |
573 | lp->name = NULL; | |
574 | ||
575 | /* Ensure getopt is initialized. */ | |
576 | optind = 0; | |
966df580 | 577 | |
4ede3a83 DE |
578 | while (1) |
579 | { | |
580 | int longind, optc; | |
581 | ||
582 | optc = getopt_long (argc, argv, short_options, long_options, &longind); | |
583 | if (optc == -1) | |
584 | { | |
585 | if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE) | |
f90b720b | 586 | STATE_PROG_ARGV (sd) = dupargv (argv + optind); |
4ede3a83 DE |
587 | break; |
588 | } | |
589 | if (optc == '?') | |
590 | return SIM_RC_FAIL; | |
591 | ||
966df580 | 592 | if ((*handlers[optc]) (sd, opt_cpu[optc], orig_val[optc], optarg, 0/*!is_command*/) == SIM_RC_FAIL) |
4ede3a83 DE |
593 | return SIM_RC_FAIL; |
594 | } | |
595 | ||
596 | return SIM_RC_OK; | |
597 | } | |
598 | ||
966df580 | 599 | /* Utility of sim_print_help to print a list of option tables. */ |
4ede3a83 | 600 | |
966df580 DE |
601 | static void |
602 | print_help (SIM_DESC sd, sim_cpu *cpu, const struct option_list *ol, int is_command) | |
4ede3a83 | 603 | { |
4ede3a83 DE |
604 | const OPTION *opt; |
605 | ||
966df580 | 606 | for ( ; ol != NULL; ol = ol->next) |
22469a10 | 607 | for (opt = ol->options; OPTION_VALID_P (opt); ++opt) |
4ede3a83 | 608 | { |
cad7297e | 609 | const int indent = 30; |
4ede3a83 DE |
610 | int comma, len; |
611 | const OPTION *o; | |
612 | ||
613 | if (dup_arg_p (opt->opt.name)) | |
614 | continue; | |
615 | ||
616 | if (opt->doc == NULL) | |
617 | continue; | |
618 | ||
50a2a691 AC |
619 | if (opt->doc_name != NULL && opt->doc_name [0] == '\0') |
620 | continue; | |
621 | ||
4ede3a83 DE |
622 | sim_io_printf (sd, " "); |
623 | ||
624 | comma = 0; | |
625 | len = 2; | |
626 | ||
22469a10 | 627 | /* list any short options (aliases) for the current OPT */ |
2f2e6c5d | 628 | if (!is_command) |
4ede3a83 | 629 | { |
2f2e6c5d AC |
630 | o = opt; |
631 | do | |
4ede3a83 | 632 | { |
2f2e6c5d | 633 | if (o->shortopt != '\0') |
4ede3a83 | 634 | { |
2f2e6c5d AC |
635 | sim_io_printf (sd, "%s-%c", comma ? ", " : "", o->shortopt); |
636 | len += (comma ? 2 : 0) + 2; | |
637 | if (o->arg != NULL) | |
43c53e07 | 638 | { |
2f2e6c5d AC |
639 | if (o->opt.has_arg == optional_argument) |
640 | { | |
641 | sim_io_printf (sd, "[%s]", o->arg); | |
642 | len += 1 + strlen (o->arg) + 1; | |
643 | } | |
644 | else | |
645 | { | |
646 | sim_io_printf (sd, " %s", o->arg); | |
647 | len += 1 + strlen (o->arg); | |
648 | } | |
4ede3a83 | 649 | } |
2f2e6c5d | 650 | comma = 1; |
4ede3a83 | 651 | } |
2f2e6c5d | 652 | ++o; |
4ede3a83 | 653 | } |
22469a10 | 654 | while (OPTION_VALID_P (o) && o->doc == NULL); |
4ede3a83 | 655 | } |
2f2e6c5d | 656 | |
22469a10 | 657 | /* list any long options (aliases) for the current OPT */ |
4ede3a83 DE |
658 | o = opt; |
659 | do | |
660 | { | |
50a2a691 | 661 | const char *name; |
966df580 | 662 | const char *cpu_prefix = cpu ? CPU_NAME (cpu) : NULL; |
50a2a691 AC |
663 | if (o->doc_name != NULL) |
664 | name = o->doc_name; | |
665 | else | |
666 | name = o->opt.name; | |
667 | if (name != NULL) | |
4ede3a83 | 668 | { |
966df580 | 669 | sim_io_printf (sd, "%s%s%s%s%s", |
4ede3a83 | 670 | comma ? ", " : "", |
2f2e6c5d | 671 | is_command ? "" : "--", |
966df580 DE |
672 | cpu ? cpu_prefix : "", |
673 | cpu ? "-" : "", | |
50a2a691 | 674 | name); |
4ede3a83 | 675 | len += ((comma ? 2 : 0) |
2f2e6c5d | 676 | + (is_command ? 0 : 2) |
50a2a691 | 677 | + strlen (name)); |
4ede3a83 DE |
678 | if (o->arg != NULL) |
679 | { | |
43c53e07 AC |
680 | if (o->opt.has_arg == optional_argument) |
681 | { | |
682 | sim_io_printf (sd, " [%s]", o->arg); | |
683 | len += 2 + strlen (o->arg) + 1; | |
684 | } | |
685 | else | |
686 | { | |
687 | sim_io_printf (sd, " %s", o->arg); | |
688 | len += 1 + strlen (o->arg); | |
689 | } | |
4ede3a83 DE |
690 | } |
691 | comma = 1; | |
692 | } | |
693 | ++o; | |
694 | } | |
22469a10 | 695 | while (OPTION_VALID_P (o) && o->doc == NULL); |
4ede3a83 | 696 | |
cad7297e | 697 | if (len >= indent) |
4ede3a83 | 698 | { |
cad7297e | 699 | sim_io_printf (sd, "\n%*s", indent, ""); |
4ede3a83 | 700 | } |
cad7297e AC |
701 | else |
702 | sim_io_printf (sd, "%*s", indent - len, ""); | |
4ede3a83 | 703 | |
22469a10 | 704 | /* print the description, word wrap long lines */ |
cad7297e AC |
705 | { |
706 | const char *chp = opt->doc; | |
b45caf05 | 707 | unsigned doc_width = 80 - indent; |
cad7297e AC |
708 | while (strlen (chp) >= doc_width) /* some slack */ |
709 | { | |
710 | const char *end = chp + doc_width - 1; | |
711 | while (end > chp && !isspace (*end)) | |
712 | end --; | |
713 | if (end == chp) | |
714 | end = chp + doc_width - 1; | |
715 | sim_io_printf (sd, "%.*s\n%*s", end - chp, chp, indent, ""); | |
716 | chp = end; | |
717 | while (isspace (*chp) && *chp != '\0') | |
718 | chp++; | |
719 | } | |
720 | sim_io_printf (sd, "%s\n", chp); | |
721 | } | |
4ede3a83 | 722 | } |
966df580 DE |
723 | } |
724 | ||
725 | /* Print help messages for the options. */ | |
726 | ||
727 | void | |
728 | sim_print_help (sd, is_command) | |
729 | SIM_DESC sd; | |
730 | int is_command; | |
731 | { | |
732 | if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE) | |
733 | sim_io_printf (sd, "Usage: %s [options] program [program args]\n", | |
734 | STATE_MY_NAME (sd)); | |
735 | ||
736 | /* Initialize duplicate argument checker. */ | |
737 | (void) dup_arg_p (NULL); | |
738 | ||
739 | if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE) | |
740 | sim_io_printf (sd, "Options:\n"); | |
741 | else | |
742 | sim_io_printf (sd, "Commands:\n"); | |
4ede3a83 | 743 | |
966df580 | 744 | print_help (sd, NULL, STATE_OPTIONS (sd), is_command); |
d07dddd2 | 745 | sim_io_printf (sd, "\n"); |
966df580 DE |
746 | |
747 | /* Print cpu-specific options. */ | |
748 | { | |
749 | int i; | |
750 | ||
751 | for (i = 0; i < MAX_NR_PROCESSORS; ++i) | |
752 | { | |
753 | sim_cpu *cpu = STATE_CPU (sd, i); | |
754 | if (CPU_OPTIONS (cpu) == NULL) | |
755 | continue; | |
756 | sim_io_printf (sd, "CPU %s specific options:\n", CPU_NAME (cpu)); | |
757 | print_help (sd, cpu, CPU_OPTIONS (cpu), is_command); | |
758 | sim_io_printf (sd, "\n"); | |
759 | } | |
760 | } | |
761 | ||
d07dddd2 AC |
762 | sim_io_printf (sd, "Note: Depending on the simulator configuration some %ss\n", |
763 | STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE ? "option" : "command"); | |
764 | sim_io_printf (sd, " may not be applicable\n"); | |
765 | ||
4ede3a83 DE |
766 | if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE) |
767 | { | |
768 | sim_io_printf (sd, "\n"); | |
769 | sim_io_printf (sd, "program args Arguments to pass to simulated program.\n"); | |
770 | sim_io_printf (sd, " Note: Very few simulators support this.\n"); | |
771 | } | |
772 | } | |
43c53e07 | 773 | |
966df580 DE |
774 | /* Utility of sim_args_command to find the closest match for a command. |
775 | Commands that have "-" in them can be specified as separate words. | |
776 | e.g. sim memory-region 0x800000,0x4000 | |
777 | or sim memory region 0x800000,0x4000 | |
778 | If CPU is non-null, use its option table list, otherwise use the main one. | |
779 | *PARGI is where to start looking in ARGV. It is updated to point past | |
780 | the found option. */ | |
43c53e07 | 781 | |
966df580 DE |
782 | static const OPTION * |
783 | find_match (SIM_DESC sd, sim_cpu *cpu, char *argv[], int *pargi) | |
784 | { | |
785 | const struct option_list *ol; | |
786 | const OPTION *opt; | |
787 | /* most recent option match */ | |
788 | const OPTION *matching_opt = NULL; | |
789 | int matching_argi = -1; | |
790 | ||
791 | if (cpu) | |
792 | ol = CPU_OPTIONS (cpu); | |
793 | else | |
794 | ol = STATE_OPTIONS (sd); | |
795 | ||
796 | /* Skip passed elements specified by *PARGI. */ | |
797 | argv += *pargi; | |
798 | ||
799 | for ( ; ol != NULL; ol = ol->next) | |
800 | for (opt = ol->options; OPTION_VALID_P (opt); ++opt) | |
801 | { | |
802 | int argi = 0; | |
803 | const char *name = opt->opt.name; | |
804 | if (name == NULL) | |
805 | continue; | |
aac93280 RU |
806 | while (argv [argi] != NULL |
807 | && strncmp (name, argv [argi], strlen (argv [argi])) == 0) | |
966df580 DE |
808 | { |
809 | name = &name [strlen (argv[argi])]; | |
810 | if (name [0] == '-') | |
811 | { | |
812 | /* leading match ...<a-b-c>-d-e-f - continue search */ | |
813 | name ++; /* skip `-' */ | |
814 | argi ++; | |
815 | continue; | |
816 | } | |
817 | else if (name [0] == '\0') | |
818 | { | |
819 | /* exact match ...<a-b-c-d-e-f> - better than before? */ | |
820 | if (argi > matching_argi) | |
821 | { | |
822 | matching_argi = argi; | |
823 | matching_opt = opt; | |
824 | } | |
825 | break; | |
826 | } | |
827 | else | |
828 | break; | |
829 | } | |
830 | } | |
43c53e07 | 831 | |
966df580 DE |
832 | *pargi = matching_argi; |
833 | return matching_opt; | |
834 | } | |
43c53e07 AC |
835 | |
836 | SIM_RC | |
966df580 | 837 | sim_args_command (SIM_DESC sd, char *cmd) |
43c53e07 AC |
838 | { |
839 | /* something to do? */ | |
840 | if (cmd == NULL) | |
841 | return SIM_RC_OK; /* FIXME - perhaphs help would be better */ | |
842 | ||
843 | if (cmd [0] == '-') | |
844 | { | |
845 | /* user specified -<opt> ... form? */ | |
846 | char **argv = buildargv (cmd); | |
847 | SIM_RC rc = sim_parse_args (sd, argv); | |
848 | freeargv (argv); | |
849 | return rc; | |
850 | } | |
851 | else | |
852 | { | |
43c53e07 | 853 | char **argv = buildargv (cmd); |
50a2a691 | 854 | const OPTION *matching_opt = NULL; |
966df580 DE |
855 | int matching_argi; |
856 | sim_cpu *cpu; | |
966df580 DE |
857 | |
858 | if (argv [0] == NULL) | |
baf8377d | 859 | return SIM_RC_OK; /* FIXME - perhaphs help would be better */ |
966df580 DE |
860 | |
861 | /* First check for a cpu selector. */ | |
862 | { | |
863 | char *cpu_name = xstrdup (argv[0]); | |
864 | char *hyphen = strchr (cpu_name, '-'); | |
865 | if (hyphen) | |
866 | *hyphen = 0; | |
867 | cpu = sim_cpu_lookup (sd, cpu_name); | |
868 | if (cpu) | |
869 | { | |
870 | /* If <cpuname>-<command>, point argv[0] at <command>. */ | |
871 | if (hyphen) | |
872 | { | |
873 | matching_argi = 0; | |
874 | argv[0] += hyphen - cpu_name + 1; | |
875 | } | |
876 | else | |
877 | matching_argi = 1; | |
878 | matching_opt = find_match (sd, cpu, argv, &matching_argi); | |
879 | /* If hyphen found restore argv[0]. */ | |
880 | if (hyphen) | |
881 | argv[0] -= hyphen - cpu_name + 1; | |
882 | } | |
883 | free (cpu_name); | |
884 | } | |
885 | ||
886 | /* If that failed, try the main table. */ | |
887 | if (matching_opt == NULL) | |
888 | { | |
889 | matching_argi = 0; | |
890 | matching_opt = find_match (sd, NULL, argv, &matching_argi); | |
891 | } | |
892 | ||
50a2a691 AC |
893 | if (matching_opt != NULL) |
894 | { | |
895 | switch (matching_opt->opt.has_arg) | |
896 | { | |
897 | case no_argument: | |
898 | if (argv [matching_argi + 1] == NULL) | |
966df580 | 899 | matching_opt->handler (sd, cpu, matching_opt->opt.val, |
50a2a691 AC |
900 | NULL, 1/*is_command*/); |
901 | else | |
902 | sim_io_eprintf (sd, "Command `%s' takes no arguments\n", | |
903 | matching_opt->opt.name); | |
904 | break; | |
905 | case optional_argument: | |
906 | if (argv [matching_argi + 1] == NULL) | |
966df580 | 907 | matching_opt->handler (sd, cpu, matching_opt->opt.val, |
50a2a691 AC |
908 | NULL, 1/*is_command*/); |
909 | else if (argv [matching_argi + 2] == NULL) | |
966df580 | 910 | matching_opt->handler (sd, cpu, matching_opt->opt.val, |
50a2a691 AC |
911 | argv [matching_argi + 1], 1/*is_command*/); |
912 | else | |
913 | sim_io_eprintf (sd, "Command `%s' requires no more than one argument\n", | |
914 | matching_opt->opt.name); | |
915 | break; | |
916 | case required_argument: | |
917 | if (argv [matching_argi + 1] == NULL) | |
918 | sim_io_eprintf (sd, "Command `%s' requires an argument\n", | |
919 | matching_opt->opt.name); | |
920 | else if (argv [matching_argi + 2] == NULL) | |
966df580 | 921 | matching_opt->handler (sd, cpu, matching_opt->opt.val, |
50a2a691 AC |
922 | argv [matching_argi + 1], 1/*is_command*/); |
923 | else | |
924 | sim_io_eprintf (sd, "Command `%s' requires only one argument\n", | |
925 | matching_opt->opt.name); | |
926 | } | |
966df580 | 927 | freeargv (argv); |
50a2a691 AC |
928 | return SIM_RC_OK; |
929 | } | |
966df580 DE |
930 | |
931 | freeargv (argv); | |
43c53e07 | 932 | } |
50a2a691 AC |
933 | |
934 | /* didn't find anything that remotly matched */ | |
43c53e07 AC |
935 | return SIM_RC_FAIL; |
936 | } |