Commit | Line | Data |
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f02df580 MS |
1 | /* Dump-to-file commands, for GDB, the GNU debugger. |
2 | ||
0b1afbb3 | 3 | Copyright (C) 2002-2013 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" | |
23 | #include "gdb_string.h" | |
24 | #include "cli/cli-decode.h" | |
25 | #include "cli/cli-cmds.h" | |
26 | #include "value.h" | |
27 | #include "completer.h" | |
28 | #include "cli/cli-dump.h" | |
29 | #include "gdb_assert.h" | |
30 | #include <ctype.h> | |
31 | #include "target.h" | |
dbda9972 | 32 | #include "readline/readline.h" |
c0ac0ec7 | 33 | #include "gdbcore.h" |
e9cafbcc | 34 | #include "cli/cli-utils.h" |
cbb099e8 | 35 | #include "gdb_bfd.h" |
614c279d | 36 | #include "filestuff.h" |
f02df580 MS |
37 | |
38 | #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE))) | |
39 | ||
40 | ||
f02df580 MS |
41 | char * |
42 | scan_expression_with_cleanup (char **cmd, const char *def) | |
43 | { | |
44 | if ((*cmd) == NULL || (**cmd) == '\0') | |
45 | { | |
46 | char *exp = xstrdup (def); | |
cdb27c12 | 47 | |
f02df580 MS |
48 | make_cleanup (xfree, exp); |
49 | return exp; | |
50 | } | |
51 | else | |
52 | { | |
53 | char *exp; | |
54 | char *end; | |
55 | ||
56 | end = (*cmd) + strcspn (*cmd, " \t"); | |
57 | exp = savestring ((*cmd), end - (*cmd)); | |
58 | make_cleanup (xfree, exp); | |
59 | (*cmd) = skip_spaces (end); | |
60 | return exp; | |
61 | } | |
62 | } | |
63 | ||
64 | ||
f02df580 MS |
65 | char * |
66 | scan_filename_with_cleanup (char **cmd, const char *defname) | |
67 | { | |
68 | char *filename; | |
69 | char *fullname; | |
70 | ||
71 | /* FIXME: Need to get the ``/a(ppend)'' flag from somewhere. */ | |
72 | ||
73 | /* File. */ | |
74 | if ((*cmd) == NULL) | |
75 | { | |
76 | if (defname == NULL) | |
8a3fe4f8 | 77 | error (_("Missing filename.")); |
f02df580 MS |
78 | filename = xstrdup (defname); |
79 | make_cleanup (xfree, filename); | |
80 | } | |
81 | else | |
82 | { | |
83 | /* FIXME: should parse a possibly quoted string. */ | |
84 | char *end; | |
85 | ||
86 | (*cmd) = skip_spaces (*cmd); | |
87 | end = *cmd + strcspn (*cmd, " \t"); | |
88 | filename = savestring ((*cmd), end - (*cmd)); | |
89 | make_cleanup (xfree, filename); | |
90 | (*cmd) = skip_spaces (end); | |
91 | } | |
92 | gdb_assert (filename != NULL); | |
93 | ||
94 | fullname = tilde_expand (filename); | |
95 | make_cleanup (xfree, fullname); | |
96 | ||
97 | return fullname; | |
98 | } | |
99 | ||
100 | FILE * | |
c26b8e3b | 101 | fopen_with_cleanup (const char *filename, const char *mode) |
f02df580 | 102 | { |
614c279d | 103 | FILE *file = gdb_fopen_cloexec (filename, mode); |
cdb27c12 | 104 | |
f02df580 MS |
105 | if (file == NULL) |
106 | perror_with_name (filename); | |
107 | make_cleanup_fclose (file); | |
108 | return file; | |
109 | } | |
110 | ||
111 | static bfd * | |
112 | bfd_openr_with_cleanup (const char *filename, const char *target) | |
113 | { | |
114 | bfd *ibfd; | |
115 | ||
64c31149 | 116 | ibfd = gdb_bfd_openr (filename, target); |
5cb316ef | 117 | if (ibfd == NULL) |
8a3fe4f8 | 118 | error (_("Failed to open %s: %s."), filename, |
f02df580 MS |
119 | bfd_errmsg (bfd_get_error ())); |
120 | ||
f9a062ff | 121 | make_cleanup_bfd_unref (ibfd); |
f02df580 | 122 | if (!bfd_check_format (ibfd, bfd_object)) |
8a3fe4f8 | 123 | error (_("'%s' is not a recognized file format."), filename); |
f02df580 MS |
124 | |
125 | return ibfd; | |
126 | } | |
127 | ||
128 | static bfd * | |
c26b8e3b AC |
129 | bfd_openw_with_cleanup (const char *filename, const char *target, |
130 | const char *mode) | |
f02df580 MS |
131 | { |
132 | bfd *obfd; | |
133 | ||
134 | if (*mode == 'w') /* Write: create new file */ | |
135 | { | |
64c31149 | 136 | obfd = gdb_bfd_openw (filename, target); |
5cb316ef | 137 | if (obfd == NULL) |
8a3fe4f8 | 138 | error (_("Failed to open %s: %s."), filename, |
f02df580 | 139 | bfd_errmsg (bfd_get_error ())); |
f9a062ff | 140 | make_cleanup_bfd_unref (obfd); |
f02df580 | 141 | if (!bfd_set_format (obfd, bfd_object)) |
8a3fe4f8 | 142 | error (_("bfd_openw_with_cleanup: %s."), bfd_errmsg (bfd_get_error ())); |
f02df580 | 143 | } |
ebcd3b23 MS |
144 | else if (*mode == 'a') /* Append to existing file. */ |
145 | { /* FIXME -- doesn't work... */ | |
8a3fe4f8 | 146 | error (_("bfd_openw does not work with append.")); |
f02df580 MS |
147 | } |
148 | else | |
8a3fe4f8 | 149 | error (_("bfd_openw_with_cleanup: unknown mode %s."), mode); |
f02df580 MS |
150 | |
151 | return obfd; | |
152 | } | |
153 | ||
28578e6b YQ |
154 | static struct cmd_list_element *dump_cmdlist; |
155 | static struct cmd_list_element *append_cmdlist; | |
156 | static struct cmd_list_element *srec_cmdlist; | |
157 | static struct cmd_list_element *ihex_cmdlist; | |
158 | static struct cmd_list_element *tekhex_cmdlist; | |
159 | static struct cmd_list_element *binary_dump_cmdlist; | |
160 | static struct cmd_list_element *binary_append_cmdlist; | |
f02df580 MS |
161 | |
162 | static void | |
163 | dump_command (char *cmd, int from_tty) | |
164 | { | |
a3f17187 | 165 | printf_unfiltered (_("\"dump\" must be followed by a subcommand.\n\n")); |
f02df580 MS |
166 | help_list (dump_cmdlist, "dump ", -1, gdb_stdout); |
167 | } | |
168 | ||
169 | static void | |
170 | append_command (char *cmd, int from_tty) | |
171 | { | |
a3f17187 | 172 | printf_unfiltered (_("\"append\" must be followed by a subcommand.\n\n")); |
f02df580 MS |
173 | help_list (dump_cmdlist, "append ", -1, gdb_stdout); |
174 | } | |
175 | ||
176 | static void | |
c26b8e3b | 177 | dump_binary_file (const char *filename, const char *mode, |
5005c8a9 | 178 | const bfd_byte *buf, ULONGEST len) |
f02df580 MS |
179 | { |
180 | FILE *file; | |
181 | int status; | |
182 | ||
183 | file = fopen_with_cleanup (filename, mode); | |
184 | status = fwrite (buf, len, 1, file); | |
185 | if (status != 1) | |
186 | perror_with_name (filename); | |
187 | } | |
188 | ||
189 | static void | |
c26b8e3b AC |
190 | dump_bfd_file (const char *filename, const char *mode, |
191 | const char *target, CORE_ADDR vaddr, | |
5005c8a9 | 192 | const bfd_byte *buf, ULONGEST len) |
f02df580 MS |
193 | { |
194 | bfd *obfd; | |
195 | asection *osection; | |
196 | ||
197 | obfd = bfd_openw_with_cleanup (filename, target, mode); | |
198 | osection = bfd_make_section_anyway (obfd, ".newsec"); | |
199 | bfd_set_section_size (obfd, osection, len); | |
200 | bfd_set_section_vma (obfd, osection, vaddr); | |
201 | bfd_set_section_alignment (obfd, osection, 0); | |
e9c55a7b AC |
202 | bfd_set_section_flags (obfd, osection, (SEC_HAS_CONTENTS |
203 | | SEC_ALLOC | |
204 | | SEC_LOAD)); | |
f02df580 | 205 | osection->entsize = 0; |
53624a93 MS |
206 | if (!bfd_set_section_contents (obfd, osection, buf, 0, len)) |
207 | warning (_("writing dump file '%s' (%s)"), filename, | |
208 | bfd_errmsg (bfd_get_error ())); | |
f02df580 MS |
209 | } |
210 | ||
211 | static void | |
212 | dump_memory_to_file (char *cmd, char *mode, char *file_format) | |
213 | { | |
214 | struct cleanup *old_cleanups = make_cleanup (null_cleanup, NULL); | |
215 | CORE_ADDR lo; | |
216 | CORE_ADDR hi; | |
217 | ULONGEST count; | |
218 | char *filename; | |
219 | void *buf; | |
220 | char *lo_exp; | |
221 | char *hi_exp; | |
f02df580 MS |
222 | |
223 | /* Open the file. */ | |
224 | filename = scan_filename_with_cleanup (&cmd, NULL); | |
225 | ||
226 | /* Find the low address. */ | |
227 | if (cmd == NULL || *cmd == '\0') | |
8a3fe4f8 | 228 | error (_("Missing start address.")); |
f02df580 MS |
229 | lo_exp = scan_expression_with_cleanup (&cmd, NULL); |
230 | ||
231 | /* Find the second address - rest of line. */ | |
232 | if (cmd == NULL || *cmd == '\0') | |
8a3fe4f8 | 233 | error (_("Missing stop address.")); |
f02df580 MS |
234 | hi_exp = cmd; |
235 | ||
236 | lo = parse_and_eval_address (lo_exp); | |
237 | hi = parse_and_eval_address (hi_exp); | |
238 | if (hi <= lo) | |
8a3fe4f8 | 239 | error (_("Invalid memory address range (start >= end).")); |
f02df580 MS |
240 | count = hi - lo; |
241 | ||
242 | /* FIXME: Should use read_memory_partial() and a magic blocking | |
243 | value. */ | |
244 | buf = xmalloc (count); | |
245 | make_cleanup (xfree, buf); | |
c0ac0ec7 | 246 | read_memory (lo, buf, count); |
f02df580 MS |
247 | |
248 | /* Have everything. Open/write the data. */ | |
249 | if (file_format == NULL || strcmp (file_format, "binary") == 0) | |
250 | { | |
251 | dump_binary_file (filename, mode, buf, count); | |
252 | } | |
253 | else | |
254 | { | |
255 | dump_bfd_file (filename, mode, file_format, lo, buf, count); | |
256 | } | |
257 | ||
258 | do_cleanups (old_cleanups); | |
259 | } | |
260 | ||
261 | static void | |
262 | dump_memory_command (char *cmd, char *mode) | |
263 | { | |
264 | dump_memory_to_file (cmd, mode, "binary"); | |
265 | } | |
266 | ||
267 | static void | |
268 | dump_value_to_file (char *cmd, char *mode, char *file_format) | |
269 | { | |
270 | struct cleanup *old_cleanups = make_cleanup (null_cleanup, NULL); | |
271 | struct value *val; | |
272 | char *filename; | |
273 | ||
274 | /* Open the file. */ | |
275 | filename = scan_filename_with_cleanup (&cmd, NULL); | |
276 | ||
277 | /* Find the value. */ | |
278 | if (cmd == NULL || *cmd == '\0') | |
8a3fe4f8 | 279 | error (_("No value to %s."), *mode == 'a' ? "append" : "dump"); |
f02df580 MS |
280 | val = parse_and_eval (cmd); |
281 | if (val == NULL) | |
8a3fe4f8 | 282 | error (_("Invalid expression.")); |
f02df580 MS |
283 | |
284 | /* Have everything. Open/write the data. */ | |
285 | if (file_format == NULL || strcmp (file_format, "binary") == 0) | |
286 | { | |
0fd88904 | 287 | dump_binary_file (filename, mode, value_contents (val), |
df407dfe | 288 | TYPE_LENGTH (value_type (val))); |
f02df580 MS |
289 | } |
290 | else | |
291 | { | |
292 | CORE_ADDR vaddr; | |
293 | ||
294 | if (VALUE_LVAL (val)) | |
295 | { | |
42ae5230 | 296 | vaddr = value_address (val); |
f02df580 MS |
297 | } |
298 | else | |
299 | { | |
300 | vaddr = 0; | |
8a3fe4f8 | 301 | warning (_("value is not an lval: address assumed to be zero")); |
f02df580 MS |
302 | } |
303 | ||
304 | dump_bfd_file (filename, mode, file_format, vaddr, | |
0fd88904 | 305 | value_contents (val), |
df407dfe | 306 | TYPE_LENGTH (value_type (val))); |
f02df580 MS |
307 | } |
308 | ||
309 | do_cleanups (old_cleanups); | |
310 | } | |
311 | ||
312 | static void | |
313 | dump_value_command (char *cmd, char *mode) | |
314 | { | |
315 | dump_value_to_file (cmd, mode, "binary"); | |
316 | } | |
317 | ||
f02df580 MS |
318 | static void |
319 | dump_srec_memory (char *args, int from_tty) | |
320 | { | |
5d1d95de | 321 | dump_memory_to_file (args, FOPEN_WB, "srec"); |
f02df580 MS |
322 | } |
323 | ||
324 | static void | |
325 | dump_srec_value (char *args, int from_tty) | |
326 | { | |
5d1d95de | 327 | dump_value_to_file (args, FOPEN_WB, "srec"); |
f02df580 MS |
328 | } |
329 | ||
330 | static void | |
331 | dump_ihex_memory (char *args, int from_tty) | |
332 | { | |
5d1d95de | 333 | dump_memory_to_file (args, FOPEN_WB, "ihex"); |
f02df580 MS |
334 | } |
335 | ||
336 | static void | |
337 | dump_ihex_value (char *args, int from_tty) | |
338 | { | |
5d1d95de | 339 | dump_value_to_file (args, FOPEN_WB, "ihex"); |
f02df580 MS |
340 | } |
341 | ||
342 | static void | |
343 | dump_tekhex_memory (char *args, int from_tty) | |
344 | { | |
5d1d95de | 345 | dump_memory_to_file (args, FOPEN_WB, "tekhex"); |
f02df580 MS |
346 | } |
347 | ||
348 | static void | |
349 | dump_tekhex_value (char *args, int from_tty) | |
350 | { | |
5d1d95de | 351 | dump_value_to_file (args, FOPEN_WB, "tekhex"); |
f02df580 MS |
352 | } |
353 | ||
354 | static void | |
355 | dump_binary_memory (char *args, int from_tty) | |
356 | { | |
5d1d95de | 357 | dump_memory_to_file (args, FOPEN_WB, "binary"); |
f02df580 MS |
358 | } |
359 | ||
360 | static void | |
361 | dump_binary_value (char *args, int from_tty) | |
362 | { | |
5d1d95de | 363 | dump_value_to_file (args, FOPEN_WB, "binary"); |
f02df580 MS |
364 | } |
365 | ||
366 | static void | |
367 | append_binary_memory (char *args, int from_tty) | |
368 | { | |
5d1d95de | 369 | dump_memory_to_file (args, FOPEN_AB, "binary"); |
f02df580 MS |
370 | } |
371 | ||
372 | static void | |
373 | append_binary_value (char *args, int from_tty) | |
374 | { | |
5d1d95de | 375 | dump_value_to_file (args, FOPEN_AB, "binary"); |
f02df580 MS |
376 | } |
377 | ||
378 | struct dump_context | |
379 | { | |
380 | void (*func) (char *cmd, char *mode); | |
381 | char *mode; | |
382 | }; | |
383 | ||
384 | static void | |
385 | call_dump_func (struct cmd_list_element *c, char *args, int from_tty) | |
386 | { | |
387 | struct dump_context *d = get_cmd_context (c); | |
cdb27c12 | 388 | |
f02df580 MS |
389 | d->func (args, d->mode); |
390 | } | |
391 | ||
392 | void | |
393 | add_dump_command (char *name, void (*func) (char *args, char *mode), | |
394 | char *descr) | |
395 | ||
396 | { | |
397 | struct cmd_list_element *c; | |
398 | struct dump_context *d; | |
399 | ||
400 | c = add_cmd (name, all_commands, NULL, descr, &dump_cmdlist); | |
401 | c->completer = filename_completer; | |
402 | d = XMALLOC (struct dump_context); | |
403 | d->func = func; | |
5d1d95de | 404 | d->mode = FOPEN_WB; |
f02df580 MS |
405 | set_cmd_context (c, d); |
406 | c->func = call_dump_func; | |
407 | ||
408 | c = add_cmd (name, all_commands, NULL, descr, &append_cmdlist); | |
409 | c->completer = filename_completer; | |
410 | d = XMALLOC (struct dump_context); | |
411 | d->func = func; | |
5d1d95de | 412 | d->mode = FOPEN_AB; |
f02df580 MS |
413 | set_cmd_context (c, d); |
414 | c->func = call_dump_func; | |
415 | ||
cb1a6d5f | 416 | /* Replace "Dump " at start of docstring with "Append " (borrowed |
eefe576e | 417 | from [deleted] deprecated_add_show_from_set). */ |
f02df580 MS |
418 | if ( c->doc[0] == 'W' |
419 | && c->doc[1] == 'r' | |
420 | && c->doc[2] == 'i' | |
421 | && c->doc[3] == 't' | |
422 | && c->doc[4] == 'e' | |
423 | && c->doc[5] == ' ') | |
1754f103 | 424 | c->doc = concat ("Append ", c->doc + 6, (char *)NULL); |
f02df580 MS |
425 | } |
426 | ||
ebcd3b23 | 427 | /* Opaque data for restore_section_callback. */ |
f02df580 | 428 | struct callback_data { |
1fac167a | 429 | CORE_ADDR load_offset; |
f02df580 MS |
430 | CORE_ADDR load_start; |
431 | CORE_ADDR load_end; | |
432 | }; | |
433 | ||
434 | /* Function: restore_section_callback. | |
435 | ||
436 | Callback function for bfd_map_over_sections. | |
437 | Selectively loads the sections into memory. */ | |
438 | ||
439 | static void | |
440 | restore_section_callback (bfd *ibfd, asection *isec, void *args) | |
441 | { | |
442 | struct callback_data *data = args; | |
443 | bfd_vma sec_start = bfd_section_vma (ibfd, isec); | |
444 | bfd_size_type size = bfd_section_size (ibfd, isec); | |
445 | bfd_vma sec_end = sec_start + size; | |
446 | bfd_size_type sec_offset = 0; | |
447 | bfd_size_type sec_load_count = size; | |
448 | struct cleanup *old_chain; | |
47b667de | 449 | gdb_byte *buf; |
f02df580 MS |
450 | int ret; |
451 | ||
ebcd3b23 | 452 | /* Ignore non-loadable sections, eg. from elf files. */ |
f02df580 MS |
453 | if (!(bfd_get_section_flags (ibfd, isec) & SEC_LOAD)) |
454 | return; | |
455 | ||
456 | /* Does the section overlap with the desired restore range? */ | |
457 | if (sec_end <= data->load_start | |
458 | || (data->load_end > 0 && sec_start >= data->load_end)) | |
459 | { | |
ebcd3b23 | 460 | /* No, no useable data in this section. */ |
a3f17187 | 461 | printf_filtered (_("skipping section %s...\n"), |
f02df580 MS |
462 | bfd_section_name (ibfd, isec)); |
463 | return; | |
464 | } | |
465 | ||
466 | /* Compare section address range with user-requested | |
467 | address range (if any). Compute where the actual | |
468 | transfer should start and end. */ | |
469 | if (sec_start < data->load_start) | |
470 | sec_offset = data->load_start - sec_start; | |
ebcd3b23 | 471 | /* Size of a partial transfer. */ |
f02df580 MS |
472 | sec_load_count -= sec_offset; |
473 | if (data->load_end > 0 && sec_end > data->load_end) | |
474 | sec_load_count -= sec_end - data->load_end; | |
475 | ||
476 | /* Get the data. */ | |
477 | buf = xmalloc (size); | |
478 | old_chain = make_cleanup (xfree, buf); | |
479 | if (!bfd_get_section_contents (ibfd, isec, buf, 0, size)) | |
8a3fe4f8 | 480 | error (_("Failed to read bfd file %s: '%s'."), bfd_get_filename (ibfd), |
f02df580 MS |
481 | bfd_errmsg (bfd_get_error ())); |
482 | ||
483 | printf_filtered ("Restoring section %s (0x%lx to 0x%lx)", | |
484 | bfd_section_name (ibfd, isec), | |
485 | (unsigned long) sec_start, | |
486 | (unsigned long) sec_end); | |
487 | ||
488 | if (data->load_offset != 0 || data->load_start != 0 || data->load_end != 0) | |
5af949e3 | 489 | printf_filtered (" into memory (%s to %s)\n", |
f5656ead | 490 | paddress (target_gdbarch (), |
5af949e3 | 491 | (unsigned long) sec_start |
f5db4da3 | 492 | + sec_offset + data->load_offset), |
f5656ead | 493 | paddress (target_gdbarch (), |
5af949e3 UW |
494 | (unsigned long) sec_start + sec_offset |
495 | + data->load_offset + sec_load_count)); | |
f02df580 MS |
496 | else |
497 | puts_filtered ("\n"); | |
498 | ||
499 | /* Write the data. */ | |
500 | ret = target_write_memory (sec_start + sec_offset + data->load_offset, | |
501 | buf + sec_offset, sec_load_count); | |
502 | if (ret != 0) | |
8a3fe4f8 | 503 | warning (_("restore: memory write failed (%s)."), safe_strerror (ret)); |
f02df580 MS |
504 | do_cleanups (old_chain); |
505 | return; | |
506 | } | |
507 | ||
508 | static void | |
509 | restore_binary_file (char *filename, struct callback_data *data) | |
510 | { | |
5b3fca71 | 511 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); |
5d1d95de | 512 | FILE *file = fopen_with_cleanup (filename, FOPEN_RB); |
47b667de | 513 | gdb_byte *buf; |
f02df580 MS |
514 | long len; |
515 | ||
516 | /* Get the file size for reading. */ | |
517 | if (fseek (file, 0, SEEK_END) == 0) | |
5e9e105f MS |
518 | { |
519 | len = ftell (file); | |
520 | if (len < 0) | |
521 | perror_with_name (filename); | |
522 | } | |
f02df580 MS |
523 | else |
524 | perror_with_name (filename); | |
525 | ||
526 | if (len <= data->load_start) | |
8a3fe4f8 | 527 | error (_("Start address is greater than length of binary file %s."), |
f02df580 MS |
528 | filename); |
529 | ||
ebcd3b23 | 530 | /* Chop off "len" if it exceeds the requested load_end addr. */ |
f02df580 MS |
531 | if (data->load_end != 0 && data->load_end < len) |
532 | len = data->load_end; | |
ebcd3b23 | 533 | /* Chop off "len" if the requested load_start addr skips some bytes. */ |
f02df580 MS |
534 | if (data->load_start > 0) |
535 | len -= data->load_start; | |
536 | ||
537 | printf_filtered | |
538 | ("Restoring binary file %s into memory (0x%lx to 0x%lx)\n", | |
539 | filename, | |
1fac167a UW |
540 | (unsigned long) (data->load_start + data->load_offset), |
541 | (unsigned long) (data->load_start + data->load_offset + len)); | |
f02df580 MS |
542 | |
543 | /* Now set the file pos to the requested load start pos. */ | |
544 | if (fseek (file, data->load_start, SEEK_SET) != 0) | |
545 | perror_with_name (filename); | |
546 | ||
547 | /* Now allocate a buffer and read the file contents. */ | |
548 | buf = xmalloc (len); | |
549 | make_cleanup (xfree, buf); | |
550 | if (fread (buf, 1, len, file) != len) | |
551 | perror_with_name (filename); | |
552 | ||
ebcd3b23 | 553 | /* Now write the buffer into target memory. */ |
f02df580 MS |
554 | len = target_write_memory (data->load_start + data->load_offset, buf, len); |
555 | if (len != 0) | |
8a3fe4f8 | 556 | warning (_("restore: memory write failed (%s)."), safe_strerror (len)); |
5b3fca71 | 557 | do_cleanups (cleanup); |
f02df580 MS |
558 | } |
559 | ||
560 | static void | |
561 | restore_command (char *args, int from_tty) | |
562 | { | |
563 | char *filename; | |
564 | struct callback_data data; | |
565 | bfd *ibfd; | |
566 | int binary_flag = 0; | |
567 | ||
568 | if (!target_has_execution) | |
569 | noprocess (); | |
570 | ||
571 | data.load_offset = 0; | |
572 | data.load_start = 0; | |
573 | data.load_end = 0; | |
574 | ||
ebcd3b23 | 575 | /* Parse the input arguments. First is filename (required). */ |
f02df580 MS |
576 | filename = scan_filename_with_cleanup (&args, NULL); |
577 | if (args != NULL && *args != '\0') | |
578 | { | |
579 | char *binary_string = "binary"; | |
580 | ||
581 | /* Look for optional "binary" flag. */ | |
582 | if (strncmp (args, binary_string, strlen (binary_string)) == 0) | |
583 | { | |
584 | binary_flag = 1; | |
585 | args += strlen (binary_string); | |
586 | args = skip_spaces (args); | |
587 | } | |
ebcd3b23 | 588 | /* Parse offset (optional). */ |
f02df580 MS |
589 | if (args != NULL && *args != '\0') |
590 | data.load_offset = | |
1fac167a | 591 | parse_and_eval_address (scan_expression_with_cleanup (&args, NULL)); |
f02df580 MS |
592 | if (args != NULL && *args != '\0') |
593 | { | |
ebcd3b23 | 594 | /* Parse start address (optional). */ |
f02df580 | 595 | data.load_start = |
de530e84 | 596 | parse_and_eval_long (scan_expression_with_cleanup (&args, NULL)); |
f02df580 MS |
597 | if (args != NULL && *args != '\0') |
598 | { | |
ebcd3b23 | 599 | /* Parse end address (optional). */ |
de530e84 | 600 | data.load_end = parse_and_eval_long (args); |
f02df580 | 601 | if (data.load_end <= data.load_start) |
8a3fe4f8 | 602 | error (_("Start must be less than end.")); |
f02df580 MS |
603 | } |
604 | } | |
605 | } | |
606 | ||
607 | if (info_verbose) | |
608 | printf_filtered ("Restore file %s offset 0x%lx start 0x%lx end 0x%lx\n", | |
609 | filename, (unsigned long) data.load_offset, | |
610 | (unsigned long) data.load_start, | |
611 | (unsigned long) data.load_end); | |
612 | ||
613 | if (binary_flag) | |
614 | { | |
615 | restore_binary_file (filename, &data); | |
616 | } | |
617 | else | |
618 | { | |
ebcd3b23 | 619 | /* Open the file for loading. */ |
f02df580 MS |
620 | ibfd = bfd_openr_with_cleanup (filename, NULL); |
621 | ||
ebcd3b23 | 622 | /* Process the sections. */ |
f02df580 MS |
623 | bfd_map_over_sections (ibfd, restore_section_callback, &data); |
624 | } | |
625 | return; | |
626 | } | |
627 | ||
628 | static void | |
629 | srec_dump_command (char *cmd, int from_tty) | |
630 | { | |
631 | printf_unfiltered ("\"dump srec\" must be followed by a subcommand.\n"); | |
632 | help_list (srec_cmdlist, "dump srec ", -1, gdb_stdout); | |
633 | } | |
634 | ||
635 | static void | |
636 | ihex_dump_command (char *cmd, int from_tty) | |
637 | { | |
638 | printf_unfiltered ("\"dump ihex\" must be followed by a subcommand.\n"); | |
639 | help_list (ihex_cmdlist, "dump ihex ", -1, gdb_stdout); | |
640 | } | |
641 | ||
642 | static void | |
643 | tekhex_dump_command (char *cmd, int from_tty) | |
644 | { | |
645 | printf_unfiltered ("\"dump tekhex\" must be followed by a subcommand.\n"); | |
646 | help_list (tekhex_cmdlist, "dump tekhex ", -1, gdb_stdout); | |
647 | } | |
648 | ||
649 | static void | |
650 | binary_dump_command (char *cmd, int from_tty) | |
651 | { | |
652 | printf_unfiltered ("\"dump binary\" must be followed by a subcommand.\n"); | |
653 | help_list (binary_dump_cmdlist, "dump binary ", -1, gdb_stdout); | |
654 | } | |
655 | ||
656 | static void | |
657 | binary_append_command (char *cmd, int from_tty) | |
658 | { | |
659 | printf_unfiltered ("\"append binary\" must be followed by a subcommand.\n"); | |
660 | help_list (binary_append_cmdlist, "append binary ", -1, gdb_stdout); | |
661 | } | |
662 | ||
b9362cc7 AC |
663 | extern initialize_file_ftype _initialize_cli_dump; /* -Wmissing-prototypes */ |
664 | ||
f02df580 MS |
665 | void |
666 | _initialize_cli_dump (void) | |
667 | { | |
668 | struct cmd_list_element *c; | |
cdb27c12 | 669 | |
9a2b4c1b MS |
670 | add_prefix_cmd ("dump", class_vars, dump_command, |
671 | _("Dump target code/data to a local file."), | |
f02df580 MS |
672 | &dump_cmdlist, "dump ", |
673 | 0/*allow-unknown*/, | |
674 | &cmdlist); | |
9a2b4c1b MS |
675 | add_prefix_cmd ("append", class_vars, append_command, |
676 | _("Append target code/data to a local file."), | |
f02df580 MS |
677 | &append_cmdlist, "append ", |
678 | 0/*allow-unknown*/, | |
679 | &cmdlist); | |
680 | ||
681 | add_dump_command ("memory", dump_memory_command, "\ | |
682 | Write contents of memory to a raw binary file.\n\ | |
683 | Arguments are FILE START STOP. Writes the contents of memory within the\n\ | |
64b9b334 | 684 | range [START .. STOP) to the specified FILE in raw target ordered bytes."); |
f02df580 MS |
685 | |
686 | add_dump_command ("value", dump_value_command, "\ | |
687 | Write the value of an expression to a raw binary file.\n\ | |
688 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION to\n\ | |
689 | the specified FILE in raw target ordered bytes."); | |
690 | ||
9a2b4c1b MS |
691 | add_prefix_cmd ("srec", all_commands, srec_dump_command, |
692 | _("Write target code/data to an srec file."), | |
f02df580 MS |
693 | &srec_cmdlist, "dump srec ", |
694 | 0 /*allow-unknown*/, | |
695 | &dump_cmdlist); | |
696 | ||
9a2b4c1b MS |
697 | add_prefix_cmd ("ihex", all_commands, ihex_dump_command, |
698 | _("Write target code/data to an intel hex file."), | |
f02df580 MS |
699 | &ihex_cmdlist, "dump ihex ", |
700 | 0 /*allow-unknown*/, | |
701 | &dump_cmdlist); | |
702 | ||
9a2b4c1b MS |
703 | add_prefix_cmd ("tekhex", all_commands, tekhex_dump_command, |
704 | _("Write target code/data to a tekhex file."), | |
f02df580 MS |
705 | &tekhex_cmdlist, "dump tekhex ", |
706 | 0 /*allow-unknown*/, | |
707 | &dump_cmdlist); | |
708 | ||
9a2b4c1b MS |
709 | add_prefix_cmd ("binary", all_commands, binary_dump_command, |
710 | _("Write target code/data to a raw binary file."), | |
f02df580 MS |
711 | &binary_dump_cmdlist, "dump binary ", |
712 | 0 /*allow-unknown*/, | |
713 | &dump_cmdlist); | |
714 | ||
9a2b4c1b MS |
715 | add_prefix_cmd ("binary", all_commands, binary_append_command, |
716 | _("Append target code/data to a raw binary file."), | |
f02df580 MS |
717 | &binary_append_cmdlist, "append binary ", |
718 | 0 /*allow-unknown*/, | |
719 | &append_cmdlist); | |
720 | ||
1a966eab | 721 | add_cmd ("memory", all_commands, dump_srec_memory, _("\ |
f02df580 MS |
722 | Write contents of memory to an srec file.\n\ |
723 | Arguments are FILE START STOP. Writes the contents of memory\n\ | |
64b9b334 | 724 | within the range [START .. STOP) to the specified FILE in srec format."), |
f02df580 MS |
725 | &srec_cmdlist); |
726 | ||
1a966eab | 727 | add_cmd ("value", all_commands, dump_srec_value, _("\ |
f02df580 MS |
728 | Write the value of an expression to an srec file.\n\ |
729 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ | |
1a966eab | 730 | to the specified FILE in srec format."), |
f02df580 MS |
731 | &srec_cmdlist); |
732 | ||
1a966eab | 733 | add_cmd ("memory", all_commands, dump_ihex_memory, _("\ |
f02df580 MS |
734 | Write contents of memory to an ihex file.\n\ |
735 | Arguments are FILE START STOP. Writes the contents of memory within\n\ | |
64b9b334 | 736 | the range [START .. STOP) to the specified FILE in intel hex format."), |
f02df580 MS |
737 | &ihex_cmdlist); |
738 | ||
1a966eab | 739 | add_cmd ("value", all_commands, dump_ihex_value, _("\ |
f02df580 MS |
740 | Write the value of an expression to an ihex file.\n\ |
741 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ | |
1a966eab | 742 | to the specified FILE in intel hex format."), |
f02df580 MS |
743 | &ihex_cmdlist); |
744 | ||
1a966eab | 745 | add_cmd ("memory", all_commands, dump_tekhex_memory, _("\ |
f02df580 MS |
746 | Write contents of memory to a tekhex file.\n\ |
747 | Arguments are FILE START STOP. Writes the contents of memory\n\ | |
64b9b334 | 748 | within the range [START .. STOP) to the specified FILE in tekhex format."), |
f02df580 MS |
749 | &tekhex_cmdlist); |
750 | ||
1a966eab | 751 | add_cmd ("value", all_commands, dump_tekhex_value, _("\ |
f02df580 MS |
752 | Write the value of an expression to a tekhex file.\n\ |
753 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ | |
1a966eab | 754 | to the specified FILE in tekhex format."), |
f02df580 MS |
755 | &tekhex_cmdlist); |
756 | ||
1a966eab | 757 | add_cmd ("memory", all_commands, dump_binary_memory, _("\ |
f02df580 MS |
758 | Write contents of memory to a raw binary file.\n\ |
759 | Arguments are FILE START STOP. Writes the contents of memory\n\ | |
64b9b334 | 760 | within the range [START .. STOP) to the specified FILE in binary format."), |
f02df580 MS |
761 | &binary_dump_cmdlist); |
762 | ||
1a966eab | 763 | add_cmd ("value", all_commands, dump_binary_value, _("\ |
f02df580 MS |
764 | Write the value of an expression to a raw binary file.\n\ |
765 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ | |
1a966eab | 766 | to the specified FILE in raw target ordered bytes."), |
f02df580 MS |
767 | &binary_dump_cmdlist); |
768 | ||
1a966eab | 769 | add_cmd ("memory", all_commands, append_binary_memory, _("\ |
f02df580 MS |
770 | Append contents of memory to a raw binary file.\n\ |
771 | Arguments are FILE START STOP. Writes the contents of memory within the\n\ | |
64b9b334 | 772 | range [START .. STOP) to the specified FILE in raw target ordered bytes."), |
f02df580 MS |
773 | &binary_append_cmdlist); |
774 | ||
1a966eab | 775 | add_cmd ("value", all_commands, append_binary_value, _("\ |
f02df580 MS |
776 | Append the value of an expression to a raw binary file.\n\ |
777 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ | |
1a966eab | 778 | to the specified FILE in raw target ordered bytes."), |
f02df580 MS |
779 | &binary_append_cmdlist); |
780 | ||
1bedd215 AC |
781 | c = add_com ("restore", class_vars, restore_command, _("\ |
782 | Restore the contents of FILE to target memory.\n\ | |
f02df580 MS |
783 | Arguments are FILE OFFSET START END where all except FILE are optional.\n\ |
784 | OFFSET will be added to the base address of the file (default zero).\n\ | |
9eb6e5a1 | 785 | If START and END are given, only the file contents within that range\n\ |
1bedd215 | 786 | (file relative) will be restored to target memory.")); |
f02df580 | 787 | c->completer = filename_completer; |
ebcd3b23 | 788 | /* FIXME: completers for other commands. */ |
f02df580 | 789 | } |