| 1 | /* Dump-to-file commands, for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (c) 2002, 2005, 2007, 2008, 2009, 2010, 2011 |
| 4 | Free Software Foundation, Inc. |
| 5 | |
| 6 | Contributed by Red Hat. |
| 7 | |
| 8 | This file is part of GDB. |
| 9 | |
| 10 | This program is free software; you can redistribute it and/or modify |
| 11 | it under the terms of the GNU General Public License as published by |
| 12 | the Free Software Foundation; either version 3 of the License, or |
| 13 | (at your option) any later version. |
| 14 | |
| 15 | This program is distributed in the hope that it will be useful, |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | GNU General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License |
| 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 22 | |
| 23 | #include "defs.h" |
| 24 | #include "gdb_string.h" |
| 25 | #include "cli/cli-decode.h" |
| 26 | #include "cli/cli-cmds.h" |
| 27 | #include "value.h" |
| 28 | #include "completer.h" |
| 29 | #include "cli/cli-dump.h" |
| 30 | #include "gdb_assert.h" |
| 31 | #include <ctype.h> |
| 32 | #include "target.h" |
| 33 | #include "readline/readline.h" |
| 34 | #include "gdbcore.h" |
| 35 | #include "cli/cli-utils.h" |
| 36 | |
| 37 | #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE))) |
| 38 | |
| 39 | |
| 40 | char * |
| 41 | scan_expression_with_cleanup (char **cmd, const char *def) |
| 42 | { |
| 43 | if ((*cmd) == NULL || (**cmd) == '\0') |
| 44 | { |
| 45 | char *exp = xstrdup (def); |
| 46 | |
| 47 | make_cleanup (xfree, exp); |
| 48 | return exp; |
| 49 | } |
| 50 | else |
| 51 | { |
| 52 | char *exp; |
| 53 | char *end; |
| 54 | |
| 55 | end = (*cmd) + strcspn (*cmd, " \t"); |
| 56 | exp = savestring ((*cmd), end - (*cmd)); |
| 57 | make_cleanup (xfree, exp); |
| 58 | (*cmd) = skip_spaces (end); |
| 59 | return exp; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | |
| 64 | char * |
| 65 | scan_filename_with_cleanup (char **cmd, const char *defname) |
| 66 | { |
| 67 | char *filename; |
| 68 | char *fullname; |
| 69 | |
| 70 | /* FIXME: Need to get the ``/a(ppend)'' flag from somewhere. */ |
| 71 | |
| 72 | /* File. */ |
| 73 | if ((*cmd) == NULL) |
| 74 | { |
| 75 | if (defname == NULL) |
| 76 | error (_("Missing filename.")); |
| 77 | filename = xstrdup (defname); |
| 78 | make_cleanup (xfree, filename); |
| 79 | } |
| 80 | else |
| 81 | { |
| 82 | /* FIXME: should parse a possibly quoted string. */ |
| 83 | char *end; |
| 84 | |
| 85 | (*cmd) = skip_spaces (*cmd); |
| 86 | end = *cmd + strcspn (*cmd, " \t"); |
| 87 | filename = savestring ((*cmd), end - (*cmd)); |
| 88 | make_cleanup (xfree, filename); |
| 89 | (*cmd) = skip_spaces (end); |
| 90 | } |
| 91 | gdb_assert (filename != NULL); |
| 92 | |
| 93 | fullname = tilde_expand (filename); |
| 94 | make_cleanup (xfree, fullname); |
| 95 | |
| 96 | return fullname; |
| 97 | } |
| 98 | |
| 99 | FILE * |
| 100 | fopen_with_cleanup (const char *filename, const char *mode) |
| 101 | { |
| 102 | FILE *file = fopen (filename, mode); |
| 103 | |
| 104 | if (file == NULL) |
| 105 | perror_with_name (filename); |
| 106 | make_cleanup_fclose (file); |
| 107 | return file; |
| 108 | } |
| 109 | |
| 110 | static bfd * |
| 111 | bfd_openr_with_cleanup (const char *filename, const char *target) |
| 112 | { |
| 113 | bfd *ibfd; |
| 114 | |
| 115 | ibfd = bfd_openr (filename, target); |
| 116 | if (ibfd == NULL) |
| 117 | error (_("Failed to open %s: %s."), filename, |
| 118 | bfd_errmsg (bfd_get_error ())); |
| 119 | |
| 120 | make_cleanup_bfd_close (ibfd); |
| 121 | if (!bfd_check_format (ibfd, bfd_object)) |
| 122 | error (_("'%s' is not a recognized file format."), filename); |
| 123 | |
| 124 | return ibfd; |
| 125 | } |
| 126 | |
| 127 | static bfd * |
| 128 | bfd_openw_with_cleanup (const char *filename, const char *target, |
| 129 | const char *mode) |
| 130 | { |
| 131 | bfd *obfd; |
| 132 | |
| 133 | if (*mode == 'w') /* Write: create new file */ |
| 134 | { |
| 135 | obfd = bfd_openw (filename, target); |
| 136 | if (obfd == NULL) |
| 137 | error (_("Failed to open %s: %s."), filename, |
| 138 | bfd_errmsg (bfd_get_error ())); |
| 139 | make_cleanup_bfd_close (obfd); |
| 140 | if (!bfd_set_format (obfd, bfd_object)) |
| 141 | error (_("bfd_openw_with_cleanup: %s."), bfd_errmsg (bfd_get_error ())); |
| 142 | } |
| 143 | else if (*mode == 'a') /* Append to existing file. */ |
| 144 | { /* FIXME -- doesn't work... */ |
| 145 | error (_("bfd_openw does not work with append.")); |
| 146 | } |
| 147 | else |
| 148 | error (_("bfd_openw_with_cleanup: unknown mode %s."), mode); |
| 149 | |
| 150 | return obfd; |
| 151 | } |
| 152 | |
| 153 | struct cmd_list_element *dump_cmdlist; |
| 154 | struct cmd_list_element *append_cmdlist; |
| 155 | struct cmd_list_element *srec_cmdlist; |
| 156 | struct cmd_list_element *ihex_cmdlist; |
| 157 | struct cmd_list_element *tekhex_cmdlist; |
| 158 | struct cmd_list_element *binary_dump_cmdlist; |
| 159 | struct cmd_list_element *binary_append_cmdlist; |
| 160 | |
| 161 | static void |
| 162 | dump_command (char *cmd, int from_tty) |
| 163 | { |
| 164 | printf_unfiltered (_("\"dump\" must be followed by a subcommand.\n\n")); |
| 165 | help_list (dump_cmdlist, "dump ", -1, gdb_stdout); |
| 166 | } |
| 167 | |
| 168 | static void |
| 169 | append_command (char *cmd, int from_tty) |
| 170 | { |
| 171 | printf_unfiltered (_("\"append\" must be followed by a subcommand.\n\n")); |
| 172 | help_list (dump_cmdlist, "append ", -1, gdb_stdout); |
| 173 | } |
| 174 | |
| 175 | static void |
| 176 | dump_binary_file (const char *filename, const char *mode, |
| 177 | const bfd_byte *buf, int len) |
| 178 | { |
| 179 | FILE *file; |
| 180 | int status; |
| 181 | |
| 182 | file = fopen_with_cleanup (filename, mode); |
| 183 | status = fwrite (buf, len, 1, file); |
| 184 | if (status != 1) |
| 185 | perror_with_name (filename); |
| 186 | } |
| 187 | |
| 188 | static void |
| 189 | dump_bfd_file (const char *filename, const char *mode, |
| 190 | const char *target, CORE_ADDR vaddr, |
| 191 | const bfd_byte *buf, int len) |
| 192 | { |
| 193 | bfd *obfd; |
| 194 | asection *osection; |
| 195 | |
| 196 | obfd = bfd_openw_with_cleanup (filename, target, mode); |
| 197 | osection = bfd_make_section_anyway (obfd, ".newsec"); |
| 198 | bfd_set_section_size (obfd, osection, len); |
| 199 | bfd_set_section_vma (obfd, osection, vaddr); |
| 200 | bfd_set_section_alignment (obfd, osection, 0); |
| 201 | bfd_set_section_flags (obfd, osection, (SEC_HAS_CONTENTS |
| 202 | | SEC_ALLOC |
| 203 | | SEC_LOAD)); |
| 204 | osection->entsize = 0; |
| 205 | bfd_set_section_contents (obfd, osection, buf, 0, len); |
| 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; |
| 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') |
| 225 | error (_("Missing start address.")); |
| 226 | lo_exp = scan_expression_with_cleanup (&cmd, NULL); |
| 227 | |
| 228 | /* Find the second address - rest of line. */ |
| 229 | if (cmd == NULL || *cmd == '\0') |
| 230 | error (_("Missing stop address.")); |
| 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) |
| 236 | error (_("Invalid memory address range (start >= end).")); |
| 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); |
| 243 | read_memory (lo, buf, count); |
| 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') |
| 276 | error (_("No value to %s."), *mode == 'a' ? "append" : "dump"); |
| 277 | val = parse_and_eval (cmd); |
| 278 | if (val == NULL) |
| 279 | error (_("Invalid expression.")); |
| 280 | |
| 281 | /* Have everything. Open/write the data. */ |
| 282 | if (file_format == NULL || strcmp (file_format, "binary") == 0) |
| 283 | { |
| 284 | dump_binary_file (filename, mode, value_contents (val), |
| 285 | TYPE_LENGTH (value_type (val))); |
| 286 | } |
| 287 | else |
| 288 | { |
| 289 | CORE_ADDR vaddr; |
| 290 | |
| 291 | if (VALUE_LVAL (val)) |
| 292 | { |
| 293 | vaddr = value_address (val); |
| 294 | } |
| 295 | else |
| 296 | { |
| 297 | vaddr = 0; |
| 298 | warning (_("value is not an lval: address assumed to be zero")); |
| 299 | } |
| 300 | |
| 301 | dump_bfd_file (filename, mode, file_format, vaddr, |
| 302 | value_contents (val), |
| 303 | TYPE_LENGTH (value_type (val))); |
| 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 | |
| 315 | static void |
| 316 | dump_srec_memory (char *args, int from_tty) |
| 317 | { |
| 318 | dump_memory_to_file (args, FOPEN_WB, "srec"); |
| 319 | } |
| 320 | |
| 321 | static void |
| 322 | dump_srec_value (char *args, int from_tty) |
| 323 | { |
| 324 | dump_value_to_file (args, FOPEN_WB, "srec"); |
| 325 | } |
| 326 | |
| 327 | static void |
| 328 | dump_ihex_memory (char *args, int from_tty) |
| 329 | { |
| 330 | dump_memory_to_file (args, FOPEN_WB, "ihex"); |
| 331 | } |
| 332 | |
| 333 | static void |
| 334 | dump_ihex_value (char *args, int from_tty) |
| 335 | { |
| 336 | dump_value_to_file (args, FOPEN_WB, "ihex"); |
| 337 | } |
| 338 | |
| 339 | static void |
| 340 | dump_tekhex_memory (char *args, int from_tty) |
| 341 | { |
| 342 | dump_memory_to_file (args, FOPEN_WB, "tekhex"); |
| 343 | } |
| 344 | |
| 345 | static void |
| 346 | dump_tekhex_value (char *args, int from_tty) |
| 347 | { |
| 348 | dump_value_to_file (args, FOPEN_WB, "tekhex"); |
| 349 | } |
| 350 | |
| 351 | static void |
| 352 | dump_binary_memory (char *args, int from_tty) |
| 353 | { |
| 354 | dump_memory_to_file (args, FOPEN_WB, "binary"); |
| 355 | } |
| 356 | |
| 357 | static void |
| 358 | dump_binary_value (char *args, int from_tty) |
| 359 | { |
| 360 | dump_value_to_file (args, FOPEN_WB, "binary"); |
| 361 | } |
| 362 | |
| 363 | static void |
| 364 | append_binary_memory (char *args, int from_tty) |
| 365 | { |
| 366 | dump_memory_to_file (args, FOPEN_AB, "binary"); |
| 367 | } |
| 368 | |
| 369 | static void |
| 370 | append_binary_value (char *args, int from_tty) |
| 371 | { |
| 372 | dump_value_to_file (args, FOPEN_AB, "binary"); |
| 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); |
| 385 | |
| 386 | d->func (args, d->mode); |
| 387 | } |
| 388 | |
| 389 | void |
| 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; |
| 401 | d->mode = FOPEN_WB; |
| 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; |
| 409 | d->mode = FOPEN_AB; |
| 410 | set_cmd_context (c, d); |
| 411 | c->func = call_dump_func; |
| 412 | |
| 413 | /* Replace "Dump " at start of docstring with "Append " (borrowed |
| 414 | from [deleted] deprecated_add_show_from_set). */ |
| 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] == ' ') |
| 421 | c->doc = concat ("Append ", c->doc + 6, (char *)NULL); |
| 422 | } |
| 423 | |
| 424 | /* Opaque data for restore_section_callback. */ |
| 425 | struct callback_data { |
| 426 | CORE_ADDR load_offset; |
| 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; |
| 446 | gdb_byte *buf; |
| 447 | int ret; |
| 448 | |
| 449 | /* Ignore non-loadable sections, eg. from elf files. */ |
| 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 | { |
| 457 | /* No, no useable data in this section. */ |
| 458 | printf_filtered (_("skipping section %s...\n"), |
| 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; |
| 468 | /* Size of a partial transfer. */ |
| 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)) |
| 477 | error (_("Failed to read bfd file %s: '%s'."), bfd_get_filename (ibfd), |
| 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) |
| 486 | printf_filtered (" into memory (%s to %s)\n", |
| 487 | paddress (target_gdbarch, |
| 488 | (unsigned long) sec_start |
| 489 | + sec_offset + data->load_offset), |
| 490 | paddress (target_gdbarch, |
| 491 | (unsigned long) sec_start + sec_offset |
| 492 | + data->load_offset + sec_load_count)); |
| 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) |
| 500 | warning (_("restore: memory write failed (%s)."), safe_strerror (ret)); |
| 501 | do_cleanups (old_chain); |
| 502 | return; |
| 503 | } |
| 504 | |
| 505 | static void |
| 506 | restore_binary_file (char *filename, struct callback_data *data) |
| 507 | { |
| 508 | FILE *file = fopen_with_cleanup (filename, FOPEN_RB); |
| 509 | gdb_byte *buf; |
| 510 | long len; |
| 511 | |
| 512 | /* Get the file size for reading. */ |
| 513 | if (fseek (file, 0, SEEK_END) == 0) |
| 514 | { |
| 515 | len = ftell (file); |
| 516 | if (len < 0) |
| 517 | perror_with_name (filename); |
| 518 | } |
| 519 | else |
| 520 | perror_with_name (filename); |
| 521 | |
| 522 | if (len <= data->load_start) |
| 523 | error (_("Start address is greater than length of binary file %s."), |
| 524 | filename); |
| 525 | |
| 526 | /* Chop off "len" if it exceeds the requested load_end addr. */ |
| 527 | if (data->load_end != 0 && data->load_end < len) |
| 528 | len = data->load_end; |
| 529 | /* Chop off "len" if the requested load_start addr skips some bytes. */ |
| 530 | if (data->load_start > 0) |
| 531 | len -= data->load_start; |
| 532 | |
| 533 | printf_filtered |
| 534 | ("Restoring binary file %s into memory (0x%lx to 0x%lx)\n", |
| 535 | filename, |
| 536 | (unsigned long) (data->load_start + data->load_offset), |
| 537 | (unsigned long) (data->load_start + data->load_offset + len)); |
| 538 | |
| 539 | /* Now set the file pos to the requested load start pos. */ |
| 540 | if (fseek (file, data->load_start, SEEK_SET) != 0) |
| 541 | perror_with_name (filename); |
| 542 | |
| 543 | /* Now allocate a buffer and read the file contents. */ |
| 544 | buf = xmalloc (len); |
| 545 | make_cleanup (xfree, buf); |
| 546 | if (fread (buf, 1, len, file) != len) |
| 547 | perror_with_name (filename); |
| 548 | |
| 549 | /* Now write the buffer into target memory. */ |
| 550 | len = target_write_memory (data->load_start + data->load_offset, buf, len); |
| 551 | if (len != 0) |
| 552 | warning (_("restore: memory write failed (%s)."), safe_strerror (len)); |
| 553 | return; |
| 554 | } |
| 555 | |
| 556 | static void |
| 557 | restore_command (char *args, int from_tty) |
| 558 | { |
| 559 | char *filename; |
| 560 | struct callback_data data; |
| 561 | bfd *ibfd; |
| 562 | int binary_flag = 0; |
| 563 | |
| 564 | if (!target_has_execution) |
| 565 | noprocess (); |
| 566 | |
| 567 | data.load_offset = 0; |
| 568 | data.load_start = 0; |
| 569 | data.load_end = 0; |
| 570 | |
| 571 | /* Parse the input arguments. First is filename (required). */ |
| 572 | filename = scan_filename_with_cleanup (&args, NULL); |
| 573 | if (args != NULL && *args != '\0') |
| 574 | { |
| 575 | char *binary_string = "binary"; |
| 576 | |
| 577 | /* Look for optional "binary" flag. */ |
| 578 | if (strncmp (args, binary_string, strlen (binary_string)) == 0) |
| 579 | { |
| 580 | binary_flag = 1; |
| 581 | args += strlen (binary_string); |
| 582 | args = skip_spaces (args); |
| 583 | } |
| 584 | /* Parse offset (optional). */ |
| 585 | if (args != NULL && *args != '\0') |
| 586 | data.load_offset = |
| 587 | parse_and_eval_address (scan_expression_with_cleanup (&args, NULL)); |
| 588 | if (args != NULL && *args != '\0') |
| 589 | { |
| 590 | /* Parse start address (optional). */ |
| 591 | data.load_start = |
| 592 | parse_and_eval_long (scan_expression_with_cleanup (&args, NULL)); |
| 593 | if (args != NULL && *args != '\0') |
| 594 | { |
| 595 | /* Parse end address (optional). */ |
| 596 | data.load_end = parse_and_eval_long (args); |
| 597 | if (data.load_end <= data.load_start) |
| 598 | error (_("Start must be less than end.")); |
| 599 | } |
| 600 | } |
| 601 | } |
| 602 | |
| 603 | if (info_verbose) |
| 604 | printf_filtered ("Restore file %s offset 0x%lx start 0x%lx end 0x%lx\n", |
| 605 | filename, (unsigned long) data.load_offset, |
| 606 | (unsigned long) data.load_start, |
| 607 | (unsigned long) data.load_end); |
| 608 | |
| 609 | if (binary_flag) |
| 610 | { |
| 611 | restore_binary_file (filename, &data); |
| 612 | } |
| 613 | else |
| 614 | { |
| 615 | /* Open the file for loading. */ |
| 616 | ibfd = bfd_openr_with_cleanup (filename, NULL); |
| 617 | |
| 618 | /* Process the sections. */ |
| 619 | bfd_map_over_sections (ibfd, restore_section_callback, &data); |
| 620 | } |
| 621 | return; |
| 622 | } |
| 623 | |
| 624 | static void |
| 625 | srec_dump_command (char *cmd, int from_tty) |
| 626 | { |
| 627 | printf_unfiltered ("\"dump srec\" must be followed by a subcommand.\n"); |
| 628 | help_list (srec_cmdlist, "dump srec ", -1, gdb_stdout); |
| 629 | } |
| 630 | |
| 631 | static void |
| 632 | ihex_dump_command (char *cmd, int from_tty) |
| 633 | { |
| 634 | printf_unfiltered ("\"dump ihex\" must be followed by a subcommand.\n"); |
| 635 | help_list (ihex_cmdlist, "dump ihex ", -1, gdb_stdout); |
| 636 | } |
| 637 | |
| 638 | static void |
| 639 | tekhex_dump_command (char *cmd, int from_tty) |
| 640 | { |
| 641 | printf_unfiltered ("\"dump tekhex\" must be followed by a subcommand.\n"); |
| 642 | help_list (tekhex_cmdlist, "dump tekhex ", -1, gdb_stdout); |
| 643 | } |
| 644 | |
| 645 | static void |
| 646 | binary_dump_command (char *cmd, int from_tty) |
| 647 | { |
| 648 | printf_unfiltered ("\"dump binary\" must be followed by a subcommand.\n"); |
| 649 | help_list (binary_dump_cmdlist, "dump binary ", -1, gdb_stdout); |
| 650 | } |
| 651 | |
| 652 | static void |
| 653 | binary_append_command (char *cmd, int from_tty) |
| 654 | { |
| 655 | printf_unfiltered ("\"append binary\" must be followed by a subcommand.\n"); |
| 656 | help_list (binary_append_cmdlist, "append binary ", -1, gdb_stdout); |
| 657 | } |
| 658 | |
| 659 | extern initialize_file_ftype _initialize_cli_dump; /* -Wmissing-prototypes */ |
| 660 | |
| 661 | void |
| 662 | _initialize_cli_dump (void) |
| 663 | { |
| 664 | struct cmd_list_element *c; |
| 665 | |
| 666 | add_prefix_cmd ("dump", class_vars, dump_command, |
| 667 | _("Dump target code/data to a local file."), |
| 668 | &dump_cmdlist, "dump ", |
| 669 | 0/*allow-unknown*/, |
| 670 | &cmdlist); |
| 671 | add_prefix_cmd ("append", class_vars, append_command, |
| 672 | _("Append target code/data to a local file."), |
| 673 | &append_cmdlist, "append ", |
| 674 | 0/*allow-unknown*/, |
| 675 | &cmdlist); |
| 676 | |
| 677 | add_dump_command ("memory", dump_memory_command, "\ |
| 678 | Write contents of memory to a raw binary file.\n\ |
| 679 | Arguments are FILE START STOP. Writes the contents of memory within the\n\ |
| 680 | range [START .. STOP) to the specifed FILE in raw target ordered bytes."); |
| 681 | |
| 682 | add_dump_command ("value", dump_value_command, "\ |
| 683 | Write the value of an expression to a raw binary file.\n\ |
| 684 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION to\n\ |
| 685 | the specified FILE in raw target ordered bytes."); |
| 686 | |
| 687 | add_prefix_cmd ("srec", all_commands, srec_dump_command, |
| 688 | _("Write target code/data to an srec file."), |
| 689 | &srec_cmdlist, "dump srec ", |
| 690 | 0 /*allow-unknown*/, |
| 691 | &dump_cmdlist); |
| 692 | |
| 693 | add_prefix_cmd ("ihex", all_commands, ihex_dump_command, |
| 694 | _("Write target code/data to an intel hex file."), |
| 695 | &ihex_cmdlist, "dump ihex ", |
| 696 | 0 /*allow-unknown*/, |
| 697 | &dump_cmdlist); |
| 698 | |
| 699 | add_prefix_cmd ("tekhex", all_commands, tekhex_dump_command, |
| 700 | _("Write target code/data to a tekhex file."), |
| 701 | &tekhex_cmdlist, "dump tekhex ", |
| 702 | 0 /*allow-unknown*/, |
| 703 | &dump_cmdlist); |
| 704 | |
| 705 | add_prefix_cmd ("binary", all_commands, binary_dump_command, |
| 706 | _("Write target code/data to a raw binary file."), |
| 707 | &binary_dump_cmdlist, "dump binary ", |
| 708 | 0 /*allow-unknown*/, |
| 709 | &dump_cmdlist); |
| 710 | |
| 711 | add_prefix_cmd ("binary", all_commands, binary_append_command, |
| 712 | _("Append target code/data to a raw binary file."), |
| 713 | &binary_append_cmdlist, "append binary ", |
| 714 | 0 /*allow-unknown*/, |
| 715 | &append_cmdlist); |
| 716 | |
| 717 | add_cmd ("memory", all_commands, dump_srec_memory, _("\ |
| 718 | Write contents of memory to an srec file.\n\ |
| 719 | Arguments are FILE START STOP. Writes the contents of memory\n\ |
| 720 | within the range [START .. STOP) to the specifed FILE in srec format."), |
| 721 | &srec_cmdlist); |
| 722 | |
| 723 | add_cmd ("value", all_commands, dump_srec_value, _("\ |
| 724 | Write the value of an expression to an srec file.\n\ |
| 725 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ |
| 726 | to the specified FILE in srec format."), |
| 727 | &srec_cmdlist); |
| 728 | |
| 729 | add_cmd ("memory", all_commands, dump_ihex_memory, _("\ |
| 730 | Write contents of memory to an ihex file.\n\ |
| 731 | Arguments are FILE START STOP. Writes the contents of memory within\n\ |
| 732 | the range [START .. STOP) to the specifed FILE in intel hex format."), |
| 733 | &ihex_cmdlist); |
| 734 | |
| 735 | add_cmd ("value", all_commands, dump_ihex_value, _("\ |
| 736 | Write the value of an expression to an ihex file.\n\ |
| 737 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ |
| 738 | to the specified FILE in intel hex format."), |
| 739 | &ihex_cmdlist); |
| 740 | |
| 741 | add_cmd ("memory", all_commands, dump_tekhex_memory, _("\ |
| 742 | Write contents of memory to a tekhex file.\n\ |
| 743 | Arguments are FILE START STOP. Writes the contents of memory\n\ |
| 744 | within the range [START .. STOP) to the specifed FILE in tekhex format."), |
| 745 | &tekhex_cmdlist); |
| 746 | |
| 747 | add_cmd ("value", all_commands, dump_tekhex_value, _("\ |
| 748 | Write the value of an expression to a tekhex file.\n\ |
| 749 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ |
| 750 | to the specified FILE in tekhex format."), |
| 751 | &tekhex_cmdlist); |
| 752 | |
| 753 | add_cmd ("memory", all_commands, dump_binary_memory, _("\ |
| 754 | Write contents of memory to a raw binary file.\n\ |
| 755 | Arguments are FILE START STOP. Writes the contents of memory\n\ |
| 756 | within the range [START .. STOP) to the specifed FILE in binary format."), |
| 757 | &binary_dump_cmdlist); |
| 758 | |
| 759 | add_cmd ("value", all_commands, dump_binary_value, _("\ |
| 760 | Write the value of an expression to a raw binary file.\n\ |
| 761 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ |
| 762 | to the specified FILE in raw target ordered bytes."), |
| 763 | &binary_dump_cmdlist); |
| 764 | |
| 765 | add_cmd ("memory", all_commands, append_binary_memory, _("\ |
| 766 | Append contents of memory to a raw binary file.\n\ |
| 767 | Arguments are FILE START STOP. Writes the contents of memory within the\n\ |
| 768 | range [START .. STOP) to the specifed FILE in raw target ordered bytes."), |
| 769 | &binary_append_cmdlist); |
| 770 | |
| 771 | add_cmd ("value", all_commands, append_binary_value, _("\ |
| 772 | Append the value of an expression to a raw binary file.\n\ |
| 773 | Arguments are FILE EXPRESSION. Writes the value of EXPRESSION\n\ |
| 774 | to the specified FILE in raw target ordered bytes."), |
| 775 | &binary_append_cmdlist); |
| 776 | |
| 777 | c = add_com ("restore", class_vars, restore_command, _("\ |
| 778 | Restore the contents of FILE to target memory.\n\ |
| 779 | Arguments are FILE OFFSET START END where all except FILE are optional.\n\ |
| 780 | OFFSET will be added to the base address of the file (default zero).\n\ |
| 781 | If START and END are given, only the file contents within that range\n\ |
| 782 | (file relative) will be restored to target memory.")); |
| 783 | c->completer = filename_completer; |
| 784 | /* FIXME: completers for other commands. */ |
| 785 | } |