Commit | Line | Data |
---|---|---|
f02df580 MS |
1 | /* Dump-to-file commands, for GDB, the GNU debugger. |
2 | ||
ecd75fc8 | 3 | Copyright (C) 2002-2014 Free Software Foundation, Inc. |
f02df580 MS |
4 | |
5 | Contributed by Red Hat. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
f02df580 MS |
12 | (at your option) any later version. |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
f02df580 MS |
21 | |
22 | #include "defs.h" | |
0e9f083f | 23 | #include <string.h> |
f02df580 MS |
24 | #include "cli/cli-decode.h" |
25 | #include "cli/cli-cmds.h" | |
26 | #include "value.h" | |
27 | #include "completer.h" | |
f02df580 MS |
28 | #include "gdb_assert.h" |
29 | #include <ctype.h> | |
30 | #include "target.h" | |
dbda9972 | 31 | #include "readline/readline.h" |
c0ac0ec7 | 32 | #include "gdbcore.h" |
e9cafbcc | 33 | #include "cli/cli-utils.h" |
cbb099e8 | 34 | #include "gdb_bfd.h" |
614c279d | 35 | #include "filestuff.h" |
f02df580 | 36 | |
f02df580 | 37 | |
db229724 | 38 | static char * |
f02df580 MS |
39 | scan_expression_with_cleanup (char **cmd, const char *def) |
40 | { | |
41 | if ((*cmd) == NULL || (**cmd) == '\0') | |
42 | { | |
43 | char *exp = xstrdup (def); | |
cdb27c12 | 44 | |
f02df580 MS |
45 | make_cleanup (xfree, exp); |
46 | return exp; | |
47 | } | |
48 | else | |
49 | { | |
50 | char *exp; | |
51 | char *end; | |
52 | ||
53 | end = (*cmd) + strcspn (*cmd, " \t"); | |
54 | exp = savestring ((*cmd), end - (*cmd)); | |
55 | make_cleanup (xfree, exp); | |
56 | (*cmd) = skip_spaces (end); | |
57 | return exp; | |
58 | } | |
59 | } | |
60 | ||
61 | ||
db229724 | 62 | static char * |
f02df580 MS |
63 | scan_filename_with_cleanup (char **cmd, const char *defname) |
64 | { | |
65 | char *filename; | |
66 | char *fullname; | |
67 | ||
68 | /* FIXME: Need to get the ``/a(ppend)'' flag from somewhere. */ | |
69 | ||
70 | /* File. */ | |
71 | if ((*cmd) == NULL) | |
72 | { | |
73 | if (defname == NULL) | |
8a3fe4f8 | 74 | error (_("Missing filename.")); |
f02df580 MS |
75 | filename = xstrdup (defname); |
76 | make_cleanup (xfree, filename); | |
77 | } | |
78 | else | |
79 | { | |
80 | /* FIXME: should parse a possibly quoted string. */ | |
81 | char *end; | |
82 | ||
83 | (*cmd) = skip_spaces (*cmd); | |
84 | end = *cmd + strcspn (*cmd, " \t"); | |
85 | filename = savestring ((*cmd), end - (*cmd)); | |
86 | make_cleanup (xfree, filename); | |
87 | (*cmd) = skip_spaces (end); | |
88 | } | |
89 | gdb_assert (filename != NULL); | |
90 | ||
91 | fullname = tilde_expand (filename); | |
92 | make_cleanup (xfree, fullname); | |
93 | ||
94 | return fullname; | |
95 | } | |
96 | ||
db229724 | 97 | static FILE * |
c26b8e3b | 98 | fopen_with_cleanup (const char *filename, const char *mode) |
f02df580 | 99 | { |
614c279d | 100 | FILE *file = gdb_fopen_cloexec (filename, mode); |
cdb27c12 | 101 | |
f02df580 MS |
102 | if (file == NULL) |
103 | perror_with_name (filename); | |
104 | make_cleanup_fclose (file); | |
105 | return file; | |
106 | } | |
107 | ||
108 | static bfd * | |
109 | bfd_openr_with_cleanup (const char *filename, const char *target) | |
110 | { | |
111 | bfd *ibfd; | |
112 | ||
64c31149 | 113 | ibfd = gdb_bfd_openr (filename, target); |
5cb316ef | 114 | if (ibfd == NULL) |
8a3fe4f8 | 115 | error (_("Failed to open %s: %s."), filename, |
f02df580 MS |
116 | bfd_errmsg (bfd_get_error ())); |
117 | ||
f9a062ff | 118 | make_cleanup_bfd_unref (ibfd); |
f02df580 | 119 | if (!bfd_check_format (ibfd, bfd_object)) |
8a3fe4f8 | 120 | error (_("'%s' is not a recognized file format."), filename); |
f02df580 MS |
121 | |
122 | return ibfd; | |
123 | } | |
124 | ||
125 | static bfd * | |
c26b8e3b AC |
126 | bfd_openw_with_cleanup (const char *filename, const char *target, |
127 | const char *mode) | |
f02df580 MS |
128 | { |
129 | bfd *obfd; | |
130 | ||
131 | if (*mode == 'w') /* Write: create new file */ | |
132 | { | |
64c31149 | 133 | obfd = gdb_bfd_openw (filename, target); |
5cb316ef | 134 | if (obfd == NULL) |
8a3fe4f8 | 135 | error (_("Failed to open %s: %s."), filename, |
f02df580 | 136 | bfd_errmsg (bfd_get_error ())); |
f9a062ff | 137 | make_cleanup_bfd_unref (obfd); |
f02df580 | 138 | if (!bfd_set_format (obfd, bfd_object)) |
8a3fe4f8 | 139 | error (_("bfd_openw_with_cleanup: %s."), bfd_errmsg (bfd_get_error ())); |
f02df580 | 140 | } |
ebcd3b23 MS |
141 | else if (*mode == 'a') /* Append to existing file. */ |
142 | { /* FIXME -- doesn't work... */ | |
8a3fe4f8 | 143 | error (_("bfd_openw does not work with append.")); |
f02df580 MS |
144 | } |
145 | else | |
8a3fe4f8 | 146 | error (_("bfd_openw_with_cleanup: unknown mode %s."), mode); |
f02df580 MS |
147 | |
148 | return obfd; | |
149 | } | |
150 | ||
28578e6b YQ |
151 | static struct cmd_list_element *dump_cmdlist; |
152 | static struct cmd_list_element *append_cmdlist; | |
153 | static struct cmd_list_element *srec_cmdlist; | |
154 | static struct cmd_list_element *ihex_cmdlist; | |
155 | static struct cmd_list_element *tekhex_cmdlist; | |
156 | static struct cmd_list_element *binary_dump_cmdlist; | |
157 | static struct cmd_list_element *binary_append_cmdlist; | |
f02df580 MS |
158 | |
159 | static void | |
160 | dump_command (char *cmd, int from_tty) | |
161 | { | |
a3f17187 | 162 | printf_unfiltered (_("\"dump\" must be followed by a subcommand.\n\n")); |
f02df580 MS |
163 | help_list (dump_cmdlist, "dump ", -1, gdb_stdout); |
164 | } | |
165 | ||
166 | static void | |
167 | append_command (char *cmd, int from_tty) | |
168 | { | |
a3f17187 | 169 | printf_unfiltered (_("\"append\" must be followed by a subcommand.\n\n")); |
f02df580 MS |
170 | help_list (dump_cmdlist, "append ", -1, gdb_stdout); |
171 | } | |
172 | ||
173 | static void | |
c26b8e3b | 174 | dump_binary_file (const char *filename, const char *mode, |
5005c8a9 | 175 | const bfd_byte *buf, ULONGEST len) |
f02df580 MS |
176 | { |
177 | FILE *file; | |
178 | int status; | |
179 | ||
180 | file = fopen_with_cleanup (filename, mode); | |
181 | status = fwrite (buf, len, 1, file); | |
182 | if (status != 1) | |
183 | perror_with_name (filename); | |
184 | } | |
185 | ||
186 | static void | |
c26b8e3b AC |
187 | dump_bfd_file (const char *filename, const char *mode, |
188 | const char *target, CORE_ADDR vaddr, | |
5005c8a9 | 189 | const bfd_byte *buf, ULONGEST len) |
f02df580 MS |
190 | { |
191 | bfd *obfd; | |
192 | asection *osection; | |
193 | ||
194 | obfd = bfd_openw_with_cleanup (filename, target, mode); | |
195 | osection = bfd_make_section_anyway (obfd, ".newsec"); | |
196 | bfd_set_section_size (obfd, osection, len); | |
197 | bfd_set_section_vma (obfd, osection, vaddr); | |
198 | bfd_set_section_alignment (obfd, osection, 0); | |
e9c55a7b AC |
199 | bfd_set_section_flags (obfd, osection, (SEC_HAS_CONTENTS |
200 | | SEC_ALLOC | |
201 | | SEC_LOAD)); | |
f02df580 | 202 | osection->entsize = 0; |
53624a93 MS |
203 | if (!bfd_set_section_contents (obfd, osection, buf, 0, len)) |
204 | warning (_("writing dump file '%s' (%s)"), filename, | |
205 | bfd_errmsg (bfd_get_error ())); | |
f02df580 MS |
206 | } |
207 | ||
208 | static void | |
209 | dump_memory_to_file (char *cmd, char *mode, char *file_format) | |
210 | { | |
211 | struct cleanup *old_cleanups = make_cleanup (null_cleanup, NULL); | |
212 | CORE_ADDR lo; | |
213 | CORE_ADDR hi; | |
214 | ULONGEST count; | |
215 | char *filename; | |
216 | void *buf; | |
217 | char *lo_exp; | |
218 | char *hi_exp; | |
f02df580 MS |
219 | |
220 | /* Open the file. */ | |
221 | filename = scan_filename_with_cleanup (&cmd, NULL); | |
222 | ||
223 | /* Find the low address. */ | |
224 | if (cmd == NULL || *cmd == '\0') | |
8a3fe4f8 | 225 | error (_("Missing start address.")); |
f02df580 MS |
226 | lo_exp = scan_expression_with_cleanup (&cmd, NULL); |
227 | ||
228 | /* Find the second address - rest of line. */ | |
229 | if (cmd == NULL || *cmd == '\0') | |
8a3fe4f8 | 230 | error (_("Missing stop address.")); |
f02df580 MS |
231 | hi_exp = cmd; |
232 | ||
233 | lo = parse_and_eval_address (lo_exp); | |
234 | hi = parse_and_eval_address (hi_exp); | |
235 | if (hi <= lo) | |
8a3fe4f8 | 236 | error (_("Invalid memory address range (start >= end).")); |
f02df580 MS |
237 | count = hi - lo; |
238 | ||
239 | /* FIXME: Should use read_memory_partial() and a magic blocking | |
240 | value. */ | |
241 | buf = xmalloc (count); | |
242 | make_cleanup (xfree, buf); | |
c0ac0ec7 | 243 | read_memory (lo, buf, count); |
f02df580 MS |
244 | |
245 | /* Have everything. Open/write the data. */ | |
246 | if (file_format == NULL || strcmp (file_format, "binary") == 0) | |
247 | { | |
248 | dump_binary_file (filename, mode, buf, count); | |
249 | } | |
250 | else | |
251 | { | |
252 | dump_bfd_file (filename, mode, file_format, lo, buf, count); | |
253 | } | |
254 | ||
255 | do_cleanups (old_cleanups); | |
256 | } | |
257 | ||
258 | static void | |
259 | dump_memory_command (char *cmd, char *mode) | |
260 | { | |
261 | dump_memory_to_file (cmd, mode, "binary"); | |
262 | } | |
263 | ||
264 | static void | |
265 | dump_value_to_file (char *cmd, char *mode, char *file_format) | |
266 | { | |
267 | struct cleanup *old_cleanups = make_cleanup (null_cleanup, NULL); | |
268 | struct value *val; | |
269 | char *filename; | |
270 | ||
271 | /* Open the file. */ | |
272 | filename = scan_filename_with_cleanup (&cmd, NULL); | |
273 | ||
274 | /* Find the value. */ | |
275 | if (cmd == NULL || *cmd == '\0') | |
8a3fe4f8 | 276 | error (_("No value to %s."), *mode == 'a' ? "append" : "dump"); |
f02df580 MS |
277 | val = parse_and_eval (cmd); |
278 | if (val == NULL) | |
8a3fe4f8 | 279 | error (_("Invalid expression.")); |
f02df580 MS |
280 | |
281 | /* Have everything. Open/write the data. */ | |
282 | if (file_format == NULL || strcmp (file_format, "binary") == 0) | |
283 | { | |
0fd88904 | 284 | dump_binary_file (filename, mode, value_contents (val), |
df407dfe | 285 | TYPE_LENGTH (value_type (val))); |
f02df580 MS |
286 | } |
287 | else | |
288 | { | |
289 | CORE_ADDR vaddr; | |
290 | ||
291 | if (VALUE_LVAL (val)) | |
292 | { | |
42ae5230 | 293 | vaddr = value_address (val); |
f02df580 MS |
294 | } |
295 | else | |
296 | { | |
297 | vaddr = 0; | |
8a3fe4f8 | 298 | warning (_("value is not an lval: address assumed to be zero")); |
f02df580 MS |
299 | } |
300 | ||
301 | dump_bfd_file (filename, mode, file_format, vaddr, | |
0fd88904 | 302 | value_contents (val), |
df407dfe | 303 | TYPE_LENGTH (value_type (val))); |
f02df580 MS |
304 | } |
305 | ||
306 | do_cleanups (old_cleanups); | |
307 | } | |
308 | ||
309 | static void | |
310 | dump_value_command (char *cmd, char *mode) | |
311 | { | |
312 | dump_value_to_file (cmd, mode, "binary"); | |
313 | } | |
314 | ||
f02df580 MS |
315 | static void |
316 | dump_srec_memory (char *args, int from_tty) | |
317 | { | |
5d1d95de | 318 | dump_memory_to_file (args, FOPEN_WB, "srec"); |
f02df580 MS |
319 | } |
320 | ||
321 | static void | |
322 | dump_srec_value (char *args, int from_tty) | |
323 | { | |
5d1d95de | 324 | dump_value_to_file (args, FOPEN_WB, "srec"); |
f02df580 MS |
325 | } |
326 | ||
327 | static void | |
328 | dump_ihex_memory (char *args, int from_tty) | |
329 | { | |
5d1d95de | 330 | dump_memory_to_file (args, FOPEN_WB, "ihex"); |
f02df580 MS |
331 | } |
332 | ||
333 | static void | |
334 | dump_ihex_value (char *args, int from_tty) | |
335 | { | |
5d1d95de | 336 | dump_value_to_file (args, FOPEN_WB, "ihex"); |
f02df580 MS |
337 | } |
338 | ||
339 | static void | |
340 | dump_tekhex_memory (char *args, int from_tty) | |
341 | { | |
5d1d95de | 342 | dump_memory_to_file (args, FOPEN_WB, "tekhex"); |
f02df580 MS |
343 | } |
344 | ||
345 | static void | |
346 | dump_tekhex_value (char *args, int from_tty) | |
347 | { | |
5d1d95de | 348 | dump_value_to_file (args, FOPEN_WB, "tekhex"); |
f02df580 MS |
349 | } |
350 | ||
351 | static void | |
352 | dump_binary_memory (char *args, int from_tty) | |
353 | { | |
5d1d95de | 354 | dump_memory_to_file (args, FOPEN_WB, "binary"); |
f02df580 MS |
355 | } |
356 | ||
357 | static void | |
358 | dump_binary_value (char *args, int from_tty) | |
359 | { | |
5d1d95de | 360 | dump_value_to_file (args, FOPEN_WB, "binary"); |
f02df580 MS |
361 | } |
362 | ||
363 | static void | |
364 | append_binary_memory (char *args, int from_tty) | |
365 | { | |
5d1d95de | 366 | dump_memory_to_file (args, FOPEN_AB, "binary"); |
f02df580 MS |
367 | } |
368 | ||
369 | static void | |
370 | append_binary_value (char *args, int from_tty) | |
371 | { | |
5d1d95de | 372 | dump_value_to_file (args, FOPEN_AB, "binary"); |
f02df580 MS |
373 | } |
374 | ||
375 | struct dump_context | |
376 | { | |
377 | void (*func) (char *cmd, char *mode); | |
378 | char *mode; | |
379 | }; | |
380 | ||
381 | static void | |
382 | call_dump_func (struct cmd_list_element *c, char *args, int from_tty) | |
383 | { | |
384 | struct dump_context *d = get_cmd_context (c); | |
cdb27c12 | 385 | |
f02df580 MS |
386 | d->func (args, d->mode); |
387 | } | |
388 | ||
db229724 | 389 | static void |
f02df580 MS |
390 | add_dump_command (char *name, void (*func) (char *args, char *mode), |
391 | char *descr) | |
392 | ||
393 | { | |
394 | struct cmd_list_element *c; | |
395 | struct dump_context *d; | |
396 | ||
397 | c = add_cmd (name, all_commands, NULL, descr, &dump_cmdlist); | |
398 | c->completer = filename_completer; | |
399 | d = XMALLOC (struct dump_context); | |
400 | d->func = func; | |
5d1d95de | 401 | d->mode = FOPEN_WB; |
f02df580 MS |
402 | set_cmd_context (c, d); |
403 | c->func = call_dump_func; | |
404 | ||
405 | c = add_cmd (name, all_commands, NULL, descr, &append_cmdlist); | |
406 | c->completer = filename_completer; | |
407 | d = XMALLOC (struct dump_context); | |
408 | d->func = func; | |
5d1d95de | 409 | d->mode = FOPEN_AB; |
f02df580 MS |
410 | set_cmd_context (c, d); |
411 | c->func = call_dump_func; | |
412 | ||
cb1a6d5f | 413 | /* Replace "Dump " at start of docstring with "Append " (borrowed |
eefe576e | 414 | from [deleted] deprecated_add_show_from_set). */ |
f02df580 MS |
415 | if ( c->doc[0] == 'W' |
416 | && c->doc[1] == 'r' | |
417 | && c->doc[2] == 'i' | |
418 | && c->doc[3] == 't' | |
419 | && c->doc[4] == 'e' | |
420 | && c->doc[5] == ' ') | |
1754f103 | 421 | c->doc = concat ("Append ", c->doc + 6, (char *)NULL); |
f02df580 MS |
422 | } |
423 | ||
ebcd3b23 | 424 | /* Opaque data for restore_section_callback. */ |
f02df580 | 425 | struct callback_data { |
1fac167a | 426 | CORE_ADDR load_offset; |
f02df580 MS |
427 | CORE_ADDR load_start; |
428 | CORE_ADDR load_end; | |
429 | }; | |
430 | ||
431 | /* Function: restore_section_callback. | |
432 | ||
433 | Callback function for bfd_map_over_sections. | |
434 | Selectively loads the sections into memory. */ | |
435 | ||
436 | static void | |
437 | restore_section_callback (bfd *ibfd, asection *isec, void *args) | |
438 | { | |
439 | struct callback_data *data = args; | |
440 | bfd_vma sec_start = bfd_section_vma (ibfd, isec); | |
441 | bfd_size_type size = bfd_section_size (ibfd, isec); | |
442 | bfd_vma sec_end = sec_start + size; | |
443 | bfd_size_type sec_offset = 0; | |
444 | bfd_size_type sec_load_count = size; | |
445 | struct cleanup *old_chain; | |
47b667de | 446 | gdb_byte *buf; |
f02df580 MS |
447 | int ret; |
448 | ||
ebcd3b23 | 449 | /* Ignore non-loadable sections, eg. from elf files. */ |
f02df580 MS |
450 | if (!(bfd_get_section_flags (ibfd, isec) & SEC_LOAD)) |
451 | return; | |
452 | ||
453 | /* Does the section overlap with the desired restore range? */ | |
454 | if (sec_end <= data->load_start | |
455 | || (data->load_end > 0 && sec_start >= data->load_end)) | |
456 | { | |
ebcd3b23 | 457 | /* No, no useable data in this section. */ |
a3f17187 | 458 | printf_filtered (_("skipping section %s...\n"), |
f02df580 MS |
459 | bfd_section_name (ibfd, isec)); |
460 | return; | |
461 | } | |
462 | ||
463 | /* Compare section address range with user-requested | |
464 | address range (if any). Compute where the actual | |
465 | transfer should start and end. */ | |
466 | if (sec_start < data->load_start) | |
467 | sec_offset = data->load_start - sec_start; | |
ebcd3b23 | 468 | /* Size of a partial transfer. */ |
f02df580 MS |
469 | sec_load_count -= sec_offset; |
470 | if (data->load_end > 0 && sec_end > data->load_end) | |
471 | sec_load_count -= sec_end - data->load_end; | |
472 | ||
473 | /* Get the data. */ | |
474 | buf = xmalloc (size); | |
475 | old_chain = make_cleanup (xfree, buf); | |
476 | if (!bfd_get_section_contents (ibfd, isec, buf, 0, size)) | |
8a3fe4f8 | 477 | error (_("Failed to read bfd file %s: '%s'."), bfd_get_filename (ibfd), |
f02df580 MS |
478 | bfd_errmsg (bfd_get_error ())); |
479 | ||
480 | printf_filtered ("Restoring section %s (0x%lx to 0x%lx)", | |
481 | bfd_section_name (ibfd, isec), | |
482 | (unsigned long) sec_start, | |
483 | (unsigned long) sec_end); | |
484 | ||
485 | if (data->load_offset != 0 || data->load_start != 0 || data->load_end != 0) | |
5af949e3 | 486 | printf_filtered (" into memory (%s to %s)\n", |
f5656ead | 487 | paddress (target_gdbarch (), |
5af949e3 | 488 | (unsigned long) sec_start |
f5db4da3 | 489 | + sec_offset + data->load_offset), |
f5656ead | 490 | paddress (target_gdbarch (), |
5af949e3 UW |
491 | (unsigned long) sec_start + sec_offset |
492 | + data->load_offset + sec_load_count)); | |
f02df580 MS |
493 | else |
494 | puts_filtered ("\n"); | |
495 | ||
496 | /* Write the data. */ | |
497 | ret = target_write_memory (sec_start + sec_offset + data->load_offset, | |
498 | buf + sec_offset, sec_load_count); | |
499 | if (ret != 0) | |
8a3fe4f8 | 500 | warning (_("restore: memory write failed (%s)."), safe_strerror (ret)); |
f02df580 MS |
501 | do_cleanups (old_chain); |
502 | return; | |
503 | } | |
504 | ||
505 | static void | |
506 | restore_binary_file (char *filename, struct callback_data *data) | |
507 | { | |
5b3fca71 | 508 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); |
5d1d95de | 509 | FILE *file = fopen_with_cleanup (filename, FOPEN_RB); |
47b667de | 510 | gdb_byte *buf; |
f02df580 MS |
511 | long len; |
512 | ||
513 | /* Get the file size for reading. */ | |
514 | if (fseek (file, 0, SEEK_END) == 0) | |
5e9e105f MS |
515 | { |
516 | len = ftell (file); | |
517 | if (len < 0) | |
518 | perror_with_name (filename); | |
519 | } | |
f02df580 MS |
520 | else |
521 | perror_with_name (filename); | |
522 | ||
523 | if (len <= data->load_start) | |
8a3fe4f8 | 524 | error (_("Start address is greater than length of binary file %s."), |
f02df580 MS |
525 | filename); |
526 | ||
ebcd3b23 | 527 | /* Chop off "len" if it exceeds the requested load_end addr. */ |
f02df580 MS |
528 | if (data->load_end != 0 && data->load_end < len) |
529 | len = data->load_end; | |
ebcd3b23 | 530 | /* Chop off "len" if the requested load_start addr skips some bytes. */ |
f02df580 MS |
531 | if (data->load_start > 0) |
532 | len -= data->load_start; | |
533 | ||
534 | printf_filtered | |
535 | ("Restoring binary file %s into memory (0x%lx to 0x%lx)\n", | |
536 | filename, | |
1fac167a UW |
537 | (unsigned long) (data->load_start + data->load_offset), |
538 | (unsigned long) (data->load_start + data->load_offset + len)); | |
f02df580 MS |
539 | |
540 | /* Now set the file pos to the requested load start pos. */ | |
541 | if (fseek (file, data->load_start, SEEK_SET) != 0) | |
542 | perror_with_name (filename); | |
543 | ||
544 | /* Now allocate a buffer and read the file contents. */ | |
545 | buf = xmalloc (len); | |
546 | make_cleanup (xfree, buf); | |
547 | if (fread (buf, 1, len, file) != len) | |
548 | perror_with_name (filename); | |
549 | ||
ebcd3b23 | 550 | /* Now write the buffer into target memory. */ |
f02df580 MS |
551 | len = target_write_memory (data->load_start + data->load_offset, buf, len); |
552 | if (len != 0) | |
8a3fe4f8 | 553 | warning (_("restore: memory write failed (%s)."), safe_strerror (len)); |
5b3fca71 | 554 | do_cleanups (cleanup); |
f02df580 MS |
555 | } |
556 | ||
557 | static void | |
558 | restore_command (char *args, int from_tty) | |
559 | { | |
560 | char *filename; | |
561 | struct callback_data data; | |
562 | bfd *ibfd; | |
563 | int binary_flag = 0; | |
564 | ||
565 | if (!target_has_execution) | |
566 | noprocess (); | |
567 | ||
568 | data.load_offset = 0; | |
569 | data.load_start = 0; | |
570 | data.load_end = 0; | |
571 | ||
ebcd3b23 | 572 | /* Parse the input arguments. First is filename (required). */ |
f02df580 MS |
573 | filename = scan_filename_with_cleanup (&args, NULL); |
574 | if (args != NULL && *args != '\0') | |
575 | { | |
576 | char *binary_string = "binary"; | |
577 | ||
578 | /* Look for optional "binary" flag. */ | |
579 | if (strncmp (args, binary_string, strlen (binary_string)) == 0) | |
580 | { | |
581 | binary_flag = 1; | |
582 | args += strlen (binary_string); | |
583 | args = skip_spaces (args); | |
584 | } | |
ebcd3b23 | 585 | /* Parse offset (optional). */ |
f02df580 MS |
586 | if (args != NULL && *args != '\0') |
587 | data.load_offset = | |
1fac167a | 588 | parse_and_eval_address (scan_expression_with_cleanup (&args, NULL)); |
f02df580 MS |
589 | if (args != NULL && *args != '\0') |
590 | { | |
ebcd3b23 | 591 | /* Parse start address (optional). */ |
f02df580 | 592 | data.load_start = |
de530e84 | 593 | parse_and_eval_long (scan_expression_with_cleanup (&args, NULL)); |
f02df580 MS |
594 | if (args != NULL && *args != '\0') |
595 | { | |
ebcd3b23 | 596 | /* Parse end address (optional). */ |
de530e84 | 597 | data.load_end = parse_and_eval_long (args); |
f02df580 | 598 | if (data.load_end <= data.load_start) |
8a3fe4f8 | 599 | error (_("Start must be less than end.")); |
f02df580 MS |
600 | } |
601 | } | |
602 | } | |
603 | ||
604 | if (info_verbose) | |
605 | printf_filtered ("Restore file %s offset 0x%lx start 0x%lx end 0x%lx\n", | |
606 | filename, (unsigned long) data.load_offset, | |
607 | (unsigned long) data.load_start, | |
608 | (unsigned long) data.load_end); | |
609 | ||
610 | if (binary_flag) | |
611 | { | |
612 | restore_binary_file (filename, &data); | |
613 | } | |
614 | else | |
615 | { | |
ebcd3b23 | 616 | /* Open the file for loading. */ |
f02df580 MS |
617 | ibfd = bfd_openr_with_cleanup (filename, NULL); |
618 | ||
ebcd3b23 | 619 | /* Process the sections. */ |
f02df580 MS |
620 | bfd_map_over_sections (ibfd, restore_section_callback, &data); |
621 | } | |
622 | return; | |
623 | } | |
624 | ||
625 | static void | |
626 | srec_dump_command (char *cmd, int from_tty) | |
627 | { | |
628 | printf_unfiltered ("\"dump srec\" must be followed by a subcommand.\n"); | |
629 | help_list (srec_cmdlist, "dump srec ", -1, gdb_stdout); | |
630 | } | |
631 | ||
632 | static void | |
633 | ihex_dump_command (char *cmd, int from_tty) | |
634 | { | |
635 | printf_unfiltered ("\"dump ihex\" must be followed by a subcommand.\n"); | |
636 | help_list (ihex_cmdlist, "dump ihex ", -1, gdb_stdout); | |
637 | } | |
638 | ||
639 | static void | |
640 | tekhex_dump_command (char *cmd, int from_tty) | |
641 | { | |
642 | printf_unfiltered ("\"dump tekhex\" must be followed by a subcommand.\n"); | |
643 | help_list (tekhex_cmdlist, "dump tekhex ", -1, gdb_stdout); | |
644 | } | |
645 | ||
646 | static void | |
647 | binary_dump_command (char *cmd, int from_tty) | |
648 | { | |
649 | printf_unfiltered ("\"dump binary\" must be followed by a subcommand.\n"); | |
650 | help_list (binary_dump_cmdlist, "dump binary ", -1, gdb_stdout); | |
651 | } | |
652 | ||
653 | static void | |
654 | binary_append_command (char *cmd, int from_tty) | |
655 | { | |
656 | printf_unfiltered ("\"append binary\" must be followed by a subcommand.\n"); | |
657 | help_list (binary_append_cmdlist, "append binary ", -1, gdb_stdout); | |
658 | } | |
659 | ||
b9362cc7 AC |
660 | extern initialize_file_ftype _initialize_cli_dump; /* -Wmissing-prototypes */ |
661 | ||
f02df580 MS |
662 | void |
663 | _initialize_cli_dump (void) | |
664 | { | |
665 | struct cmd_list_element *c; | |
cdb27c12 | 666 | |
9a2b4c1b MS |
667 | add_prefix_cmd ("dump", class_vars, dump_command, |
668 | _("Dump target code/data to a local file."), | |
f02df580 MS |
669 | &dump_cmdlist, "dump ", |
670 | 0/*allow-unknown*/, | |
671 | &cmdlist); | |
9a2b4c1b MS |
672 | add_prefix_cmd ("append", class_vars, append_command, |
673 | _("Append target code/data to a local file."), | |
f02df580 MS |
674 | &append_cmdlist, "append ", |
675 | 0/*allow-unknown*/, | |
676 | &cmdlist); | |
677 | ||
678 | add_dump_command ("memory", dump_memory_command, "\ | |
679 | Write contents of memory to a raw binary file.\n\ | |
680 | Arguments are FILE START STOP. Writes the contents of memory within the\n\ | |
64b9b334 | 681 | range [START .. STOP) to the specified FILE in raw target ordered bytes."); |
f02df580 MS |
682 | |
683 | add_dump_command ("value", dump_value_command, "\ | |
684 | Write the value of an expression to a raw binary file.\n\ | |
685 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION to\n\ | |
686 | the specified FILE in raw target ordered bytes."); | |
687 | ||
9a2b4c1b MS |
688 | add_prefix_cmd ("srec", all_commands, srec_dump_command, |
689 | _("Write target code/data to an srec file."), | |
f02df580 MS |
690 | &srec_cmdlist, "dump srec ", |
691 | 0 /*allow-unknown*/, | |
692 | &dump_cmdlist); | |
693 | ||
9a2b4c1b MS |
694 | add_prefix_cmd ("ihex", all_commands, ihex_dump_command, |
695 | _("Write target code/data to an intel hex file."), | |
f02df580 MS |
696 | &ihex_cmdlist, "dump ihex ", |
697 | 0 /*allow-unknown*/, | |
698 | &dump_cmdlist); | |
699 | ||
9a2b4c1b MS |
700 | add_prefix_cmd ("tekhex", all_commands, tekhex_dump_command, |
701 | _("Write target code/data to a tekhex file."), | |
f02df580 MS |
702 | &tekhex_cmdlist, "dump tekhex ", |
703 | 0 /*allow-unknown*/, | |
704 | &dump_cmdlist); | |
705 | ||
9a2b4c1b MS |
706 | add_prefix_cmd ("binary", all_commands, binary_dump_command, |
707 | _("Write target code/data to a raw binary file."), | |
f02df580 MS |
708 | &binary_dump_cmdlist, "dump binary ", |
709 | 0 /*allow-unknown*/, | |
710 | &dump_cmdlist); | |
711 | ||
9a2b4c1b MS |
712 | add_prefix_cmd ("binary", all_commands, binary_append_command, |
713 | _("Append target code/data to a raw binary file."), | |
f02df580 MS |
714 | &binary_append_cmdlist, "append binary ", |
715 | 0 /*allow-unknown*/, | |
716 | &append_cmdlist); | |
717 | ||
1a966eab | 718 | add_cmd ("memory", all_commands, dump_srec_memory, _("\ |
f02df580 MS |
719 | Write contents of memory to an srec file.\n\ |
720 | Arguments are FILE START STOP. Writes the contents of memory\n\ | |
64b9b334 | 721 | within the range [START .. STOP) to the specified FILE in srec format."), |
f02df580 MS |
722 | &srec_cmdlist); |
723 | ||
1a966eab | 724 | add_cmd ("value", all_commands, dump_srec_value, _("\ |
f02df580 MS |
725 | Write the value of an expression to an srec file.\n\ |
726 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ | |
1a966eab | 727 | to the specified FILE in srec format."), |
f02df580 MS |
728 | &srec_cmdlist); |
729 | ||
1a966eab | 730 | add_cmd ("memory", all_commands, dump_ihex_memory, _("\ |
f02df580 MS |
731 | Write contents of memory to an ihex file.\n\ |
732 | Arguments are FILE START STOP. Writes the contents of memory within\n\ | |
64b9b334 | 733 | the range [START .. STOP) to the specified FILE in intel hex format."), |
f02df580 MS |
734 | &ihex_cmdlist); |
735 | ||
1a966eab | 736 | add_cmd ("value", all_commands, dump_ihex_value, _("\ |
f02df580 MS |
737 | Write the value of an expression to an ihex file.\n\ |
738 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ | |
1a966eab | 739 | to the specified FILE in intel hex format."), |
f02df580 MS |
740 | &ihex_cmdlist); |
741 | ||
1a966eab | 742 | add_cmd ("memory", all_commands, dump_tekhex_memory, _("\ |
f02df580 MS |
743 | Write contents of memory to a tekhex file.\n\ |
744 | Arguments are FILE START STOP. Writes the contents of memory\n\ | |
64b9b334 | 745 | within the range [START .. STOP) to the specified FILE in tekhex format."), |
f02df580 MS |
746 | &tekhex_cmdlist); |
747 | ||
1a966eab | 748 | add_cmd ("value", all_commands, dump_tekhex_value, _("\ |
f02df580 MS |
749 | Write the value of an expression to a tekhex file.\n\ |
750 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ | |
1a966eab | 751 | to the specified FILE in tekhex format."), |
f02df580 MS |
752 | &tekhex_cmdlist); |
753 | ||
1a966eab | 754 | add_cmd ("memory", all_commands, dump_binary_memory, _("\ |
f02df580 MS |
755 | Write contents of memory to a raw binary file.\n\ |
756 | Arguments are FILE START STOP. Writes the contents of memory\n\ | |
64b9b334 | 757 | within the range [START .. STOP) to the specified FILE in binary format."), |
f02df580 MS |
758 | &binary_dump_cmdlist); |
759 | ||
1a966eab | 760 | add_cmd ("value", all_commands, dump_binary_value, _("\ |
f02df580 MS |
761 | Write the value of an expression to a raw binary file.\n\ |
762 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ | |
1a966eab | 763 | to the specified FILE in raw target ordered bytes."), |
f02df580 MS |
764 | &binary_dump_cmdlist); |
765 | ||
1a966eab | 766 | add_cmd ("memory", all_commands, append_binary_memory, _("\ |
f02df580 MS |
767 | Append contents of memory to a raw binary file.\n\ |
768 | Arguments are FILE START STOP. Writes the contents of memory within the\n\ | |
64b9b334 | 769 | range [START .. STOP) to the specified FILE in raw target ordered bytes."), |
f02df580 MS |
770 | &binary_append_cmdlist); |
771 | ||
1a966eab | 772 | add_cmd ("value", all_commands, append_binary_value, _("\ |
f02df580 MS |
773 | Append the value of an expression to a raw binary file.\n\ |
774 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ | |
1a966eab | 775 | to the specified FILE in raw target ordered bytes."), |
f02df580 MS |
776 | &binary_append_cmdlist); |
777 | ||
1bedd215 AC |
778 | c = add_com ("restore", class_vars, restore_command, _("\ |
779 | Restore the contents of FILE to target memory.\n\ | |
f02df580 MS |
780 | Arguments are FILE OFFSET START END where all except FILE are optional.\n\ |
781 | OFFSET will be added to the base address of the file (default zero).\n\ | |
9eb6e5a1 | 782 | If START and END are given, only the file contents within that range\n\ |
1bedd215 | 783 | (file relative) will be restored to target memory.")); |
f02df580 | 784 | c->completer = filename_completer; |
ebcd3b23 | 785 | /* FIXME: completers for other commands. */ |
f02df580 | 786 | } |