Commit | Line | Data |
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c906108c | 1 | /* Work with executable files, for GDB. |
4646aa9d | 2 | |
32d0add0 | 3 | Copyright (C) 1988-2015 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
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. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
21 | #include "frame.h" | |
22 | #include "inferior.h" | |
23 | #include "target.h" | |
24 | #include "gdbcmd.h" | |
25 | #include "language.h" | |
0ba1096a | 26 | #include "filenames.h" |
c906108c SS |
27 | #include "symfile.h" |
28 | #include "objfiles.h" | |
c5f0f3d0 | 29 | #include "completer.h" |
fd0407d6 | 30 | #include "value.h" |
4646aa9d | 31 | #include "exec.h" |
ea53e89f | 32 | #include "observer.h" |
dacec2a8 | 33 | #include "arch-utils.h" |
6c95b8df PA |
34 | #include "gdbthread.h" |
35 | #include "progspace.h" | |
cbb099e8 | 36 | #include "gdb_bfd.h" |
b427c1bc | 37 | #include "gcore.h" |
c906108c | 38 | |
c906108c | 39 | #include <fcntl.h> |
dbda9972 | 40 | #include "readline/readline.h" |
c906108c SS |
41 | #include "gdbcore.h" |
42 | ||
43 | #include <ctype.h> | |
53ce3c39 | 44 | #include <sys/stat.h> |
c906108c | 45 | |
9a4105ab | 46 | void (*deprecated_file_changed_hook) (char *); |
c906108c SS |
47 | |
48 | /* Prototypes for local functions */ | |
49 | ||
a14ed312 | 50 | static void file_command (char *, int); |
c906108c | 51 | |
a14ed312 | 52 | static void set_section_command (char *, int); |
c906108c | 53 | |
a14ed312 | 54 | static void exec_files_info (struct target_ops *); |
c906108c | 55 | |
a14ed312 | 56 | static void init_exec_ops (void); |
c906108c | 57 | |
a14ed312 | 58 | void _initialize_exec (void); |
c906108c | 59 | |
c906108c SS |
60 | /* The target vector for executable files. */ |
61 | ||
e8b2341c | 62 | static struct target_ops exec_ops; |
c906108c | 63 | |
c906108c SS |
64 | /* Whether to open exec and core files read-only or read-write. */ |
65 | ||
66 | int write_files = 0; | |
920d2a44 AC |
67 | static void |
68 | show_write_files (struct ui_file *file, int from_tty, | |
69 | struct cmd_list_element *c, const char *value) | |
70 | { | |
71 | fprintf_filtered (file, _("Writing into executable and core files is %s.\n"), | |
72 | value); | |
73 | } | |
74 | ||
c906108c | 75 | |
4c42eaff | 76 | static void |
014f9477 | 77 | exec_open (const char *args, int from_tty) |
1adeb98a FN |
78 | { |
79 | target_preopen (from_tty); | |
80 | exec_file_attach (args, from_tty); | |
81 | } | |
82 | ||
07b82ea5 PA |
83 | /* Close and clear exec_bfd. If we end up with no target sections to |
84 | read memory from, this unpushes the exec_ops target. */ | |
85 | ||
6c95b8df PA |
86 | void |
87 | exec_close (void) | |
07b82ea5 PA |
88 | { |
89 | if (exec_bfd) | |
90 | { | |
91 | bfd *abfd = exec_bfd; | |
07b82ea5 | 92 | |
cbb099e8 | 93 | gdb_bfd_unref (abfd); |
07b82ea5 PA |
94 | |
95 | /* Removing target sections may close the exec_ops target. | |
96 | Clear exec_bfd before doing so to prevent recursion. */ | |
97 | exec_bfd = NULL; | |
98 | exec_bfd_mtime = 0; | |
99 | ||
046ac79f | 100 | remove_target_sections (&exec_bfd); |
1f0c4988 JK |
101 | |
102 | xfree (exec_filename); | |
103 | exec_filename = NULL; | |
07b82ea5 PA |
104 | } |
105 | } | |
106 | ||
6c95b8df PA |
107 | /* This is the target_close implementation. Clears all target |
108 | sections and closes all executable bfds from all program spaces. */ | |
109 | ||
c906108c | 110 | static void |
de90e03d | 111 | exec_close_1 (struct target_ops *self) |
c906108c | 112 | { |
ab16fce8 TT |
113 | struct program_space *ss; |
114 | struct cleanup *old_chain; | |
6c95b8df | 115 | |
ab16fce8 TT |
116 | old_chain = save_current_program_space (); |
117 | ALL_PSPACES (ss) | |
6c95b8df | 118 | { |
ab16fce8 TT |
119 | set_current_program_space (ss); |
120 | clear_section_table (current_target_sections); | |
121 | exec_close (); | |
6c95b8df | 122 | } |
ab16fce8 TT |
123 | |
124 | do_cleanups (old_chain); | |
c906108c SS |
125 | } |
126 | ||
1adeb98a FN |
127 | void |
128 | exec_file_clear (int from_tty) | |
129 | { | |
130 | /* Remove exec file. */ | |
6c95b8df | 131 | exec_close (); |
1adeb98a FN |
132 | |
133 | if (from_tty) | |
a3f17187 | 134 | printf_unfiltered (_("No executable file now.\n")); |
1adeb98a FN |
135 | } |
136 | ||
a10de604 GB |
137 | /* See gdbcore.h. */ |
138 | ||
139 | void | |
140 | exec_file_locate_attach (int pid, int from_tty) | |
141 | { | |
142 | char *exec_file, *full_exec_path = NULL; | |
143 | ||
144 | /* Do nothing if we already have an executable filename. */ | |
145 | exec_file = (char *) get_exec_file (0); | |
146 | if (exec_file != NULL) | |
147 | return; | |
148 | ||
149 | /* Try to determine a filename from the process itself. */ | |
150 | exec_file = target_pid_to_exec_file (pid); | |
151 | if (exec_file == NULL) | |
152 | return; | |
153 | ||
154 | /* It's possible we don't have a full path, but rather just a | |
155 | filename. Some targets, such as HP-UX, don't provide the | |
156 | full path, sigh. | |
157 | ||
158 | Attempt to qualify the filename against the source path. | |
159 | (If that fails, we'll just fall back on the original | |
160 | filename. Not much more we can do...) */ | |
161 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
162 | full_exec_path = xstrdup (exec_file); | |
163 | ||
164 | exec_file_attach (full_exec_path, from_tty); | |
165 | symbol_file_add_main (full_exec_path, from_tty); | |
166 | } | |
167 | ||
907083d1 | 168 | /* Set FILENAME as the new exec file. |
c906108c | 169 | |
c5aa993b JM |
170 | This function is intended to be behave essentially the same |
171 | as exec_file_command, except that the latter will detect when | |
172 | a target is being debugged, and will ask the user whether it | |
173 | should be shut down first. (If the answer is "no", then the | |
174 | new file is ignored.) | |
c906108c | 175 | |
c5aa993b JM |
176 | This file is used by exec_file_command, to do the work of opening |
177 | and processing the exec file after any prompting has happened. | |
c906108c | 178 | |
c5aa993b JM |
179 | And, it is used by child_attach, when the attach command was |
180 | given a pid but not a exec pathname, and the attach command could | |
181 | figure out the pathname from the pid. (In this case, we shouldn't | |
182 | ask the user whether the current target should be shut down -- | |
907083d1 | 183 | we're supplying the exec pathname late for good reason.) */ |
c906108c SS |
184 | |
185 | void | |
5f08566b | 186 | exec_file_attach (const char *filename, int from_tty) |
c906108c | 187 | { |
9b333ba3 TT |
188 | struct cleanup *cleanups; |
189 | ||
190 | /* First, acquire a reference to the current exec_bfd. We release | |
191 | this at the end of the function; but acquiring it now lets the | |
192 | BFD cache return it if this call refers to the same file. */ | |
193 | gdb_bfd_ref (exec_bfd); | |
194 | cleanups = make_cleanup_bfd_unref (exec_bfd); | |
195 | ||
c906108c | 196 | /* Remove any previous exec file. */ |
6c95b8df | 197 | exec_close (); |
c906108c SS |
198 | |
199 | /* Now open and digest the file the user requested, if any. */ | |
200 | ||
1adeb98a FN |
201 | if (!filename) |
202 | { | |
203 | if (from_tty) | |
a3f17187 | 204 | printf_unfiltered (_("No executable file now.\n")); |
7a107747 DJ |
205 | |
206 | set_gdbarch_from_file (NULL); | |
1adeb98a FN |
207 | } |
208 | else | |
c906108c | 209 | { |
64c0b5de | 210 | int load_via_target = 0; |
1f0c4988 | 211 | char *scratch_pathname, *canonical_pathname; |
c906108c | 212 | int scratch_chan; |
07b82ea5 | 213 | struct target_section *sections = NULL, *sections_end = NULL; |
d18b8b7a | 214 | char **matching; |
c5aa993b | 215 | |
64c0b5de GB |
216 | if (is_target_filename (filename)) |
217 | { | |
218 | if (target_filesystem_is_local ()) | |
219 | filename += strlen (TARGET_SYSROOT_PREFIX); | |
220 | else | |
221 | load_via_target = 1; | |
222 | } | |
223 | ||
224 | if (load_via_target) | |
c5aa993b | 225 | { |
64c0b5de GB |
226 | /* gdb_bfd_fopen does not support "target:" filenames. */ |
227 | if (write_files) | |
228 | warning (_("writing into executable files is " | |
229 | "not supported for %s sysroots"), | |
230 | TARGET_SYSROOT_PREFIX); | |
231 | ||
232 | scratch_pathname = xstrdup (filename); | |
233 | make_cleanup (xfree, scratch_pathname); | |
234 | ||
235 | scratch_chan = -1; | |
d7f9d729 | 236 | |
64c0b5de | 237 | canonical_pathname = scratch_pathname; |
c5aa993b | 238 | } |
64c0b5de GB |
239 | else |
240 | { | |
241 | scratch_chan = openp (getenv ("PATH"), OPF_TRY_CWD_FIRST, | |
242 | filename, write_files ? | |
243 | O_RDWR | O_BINARY : O_RDONLY | O_BINARY, | |
244 | &scratch_pathname); | |
245 | #if defined(__GO32__) || defined(_WIN32) || defined(__CYGWIN__) | |
246 | if (scratch_chan < 0) | |
247 | { | |
248 | char *exename = alloca (strlen (filename) + 5); | |
249 | ||
250 | strcat (strcpy (exename, filename), ".exe"); | |
251 | scratch_chan = openp (getenv ("PATH"), OPF_TRY_CWD_FIRST, | |
252 | exename, write_files ? | |
253 | O_RDWR | O_BINARY | |
254 | : O_RDONLY | O_BINARY, | |
255 | &scratch_pathname); | |
256 | } | |
c906108c | 257 | #endif |
64c0b5de GB |
258 | if (scratch_chan < 0) |
259 | perror_with_name (filename); | |
a4453b7e | 260 | |
64c0b5de | 261 | make_cleanup (xfree, scratch_pathname); |
a4453b7e | 262 | |
64c0b5de GB |
263 | /* gdb_bfd_open (and its variants) prefers canonicalized |
264 | pathname for better BFD caching. */ | |
265 | canonical_pathname = gdb_realpath (scratch_pathname); | |
266 | make_cleanup (xfree, canonical_pathname); | |
267 | } | |
1f0c4988 | 268 | |
64c0b5de | 269 | if (write_files && !load_via_target) |
1f0c4988 | 270 | exec_bfd = gdb_bfd_fopen (canonical_pathname, gnutarget, |
1c00ec6b TT |
271 | FOPEN_RUB, scratch_chan); |
272 | else | |
1f0c4988 | 273 | exec_bfd = gdb_bfd_open (canonical_pathname, gnutarget, scratch_chan); |
c906108c SS |
274 | |
275 | if (!exec_bfd) | |
9fe4a216 | 276 | { |
9fe4a216 TT |
277 | error (_("\"%s\": could not open as an executable file: %s"), |
278 | scratch_pathname, bfd_errmsg (bfd_get_error ())); | |
279 | } | |
c906108c | 280 | |
64c0b5de GB |
281 | /* gdb_realpath_keepfile resolves symlinks on the local |
282 | filesystem and so cannot be used for "target:" files. */ | |
1f0c4988 | 283 | gdb_assert (exec_filename == NULL); |
64c0b5de GB |
284 | if (load_via_target) |
285 | exec_filename = xstrdup (bfd_get_filename (exec_bfd)); | |
286 | else | |
287 | exec_filename = gdb_realpath_keepfile (scratch_pathname); | |
1f0c4988 | 288 | |
d18b8b7a | 289 | if (!bfd_check_format_matches (exec_bfd, bfd_object, &matching)) |
c906108c SS |
290 | { |
291 | /* Make sure to close exec_bfd, or else "run" might try to use | |
292 | it. */ | |
6c95b8df | 293 | exec_close (); |
8a3fe4f8 | 294 | error (_("\"%s\": not in executable format: %s"), |
d18b8b7a HZ |
295 | scratch_pathname, |
296 | gdb_bfd_errmsg (bfd_get_error (), matching)); | |
c906108c SS |
297 | } |
298 | ||
07b82ea5 | 299 | if (build_section_table (exec_bfd, §ions, §ions_end)) |
c906108c SS |
300 | { |
301 | /* Make sure to close exec_bfd, or else "run" might try to use | |
302 | it. */ | |
6c95b8df | 303 | exec_close (); |
8a3fe4f8 | 304 | error (_("\"%s\": can't find the file sections: %s"), |
c906108c SS |
305 | scratch_pathname, bfd_errmsg (bfd_get_error ())); |
306 | } | |
307 | ||
c04ea773 DJ |
308 | exec_bfd_mtime = bfd_get_mtime (exec_bfd); |
309 | ||
c906108c SS |
310 | validate_files (); |
311 | ||
312 | set_gdbarch_from_file (exec_bfd); | |
313 | ||
07b82ea5 | 314 | /* Add the executable's sections to the current address spaces' |
6c95b8df PA |
315 | list of sections. This possibly pushes the exec_ops |
316 | target. */ | |
ed9eebaf | 317 | add_target_sections (&exec_bfd, sections, sections_end); |
07b82ea5 | 318 | xfree (sections); |
c906108c SS |
319 | |
320 | /* Tell display code (if any) about the changed file name. */ | |
9a4105ab AC |
321 | if (deprecated_exec_file_display_hook) |
322 | (*deprecated_exec_file_display_hook) (filename); | |
c906108c | 323 | } |
9b333ba3 TT |
324 | |
325 | do_cleanups (cleanups); | |
326 | ||
ce7d4522 | 327 | bfd_cache_close_all (); |
781b42b0 | 328 | observer_notify_executable_changed (); |
c906108c SS |
329 | } |
330 | ||
331 | /* Process the first arg in ARGS as the new exec file. | |
332 | ||
c5aa993b JM |
333 | Note that we have to explicitly ignore additional args, since we can |
334 | be called from file_command(), which also calls symbol_file_command() | |
1adeb98a FN |
335 | which can take multiple args. |
336 | ||
0963b4bd | 337 | If ARGS is NULL, we just want to close the exec file. */ |
c906108c | 338 | |
1adeb98a | 339 | static void |
fba45db2 | 340 | exec_file_command (char *args, int from_tty) |
c906108c | 341 | { |
1adeb98a FN |
342 | char **argv; |
343 | char *filename; | |
4c42eaff DJ |
344 | |
345 | if (from_tty && target_has_execution | |
346 | && !query (_("A program is being debugged already.\n" | |
347 | "Are you sure you want to change the file? "))) | |
348 | error (_("File not changed.")); | |
1adeb98a FN |
349 | |
350 | if (args) | |
351 | { | |
f7545552 TT |
352 | struct cleanup *cleanups; |
353 | ||
1adeb98a FN |
354 | /* Scan through the args and pick up the first non option arg |
355 | as the filename. */ | |
356 | ||
d1a41061 | 357 | argv = gdb_buildargv (args); |
f7545552 | 358 | cleanups = make_cleanup_freeargv (argv); |
1adeb98a FN |
359 | |
360 | for (; (*argv != NULL) && (**argv == '-'); argv++) | |
361 | {; | |
362 | } | |
363 | if (*argv == NULL) | |
8a3fe4f8 | 364 | error (_("No executable file name was specified")); |
1adeb98a FN |
365 | |
366 | filename = tilde_expand (*argv); | |
367 | make_cleanup (xfree, filename); | |
368 | exec_file_attach (filename, from_tty); | |
f7545552 TT |
369 | |
370 | do_cleanups (cleanups); | |
1adeb98a FN |
371 | } |
372 | else | |
373 | exec_file_attach (NULL, from_tty); | |
c906108c SS |
374 | } |
375 | ||
0963b4bd | 376 | /* Set both the exec file and the symbol file, in one command. |
c906108c SS |
377 | What a novelty. Why did GDB go through four major releases before this |
378 | command was added? */ | |
379 | ||
380 | static void | |
fba45db2 | 381 | file_command (char *arg, int from_tty) |
c906108c SS |
382 | { |
383 | /* FIXME, if we lose on reading the symbol file, we should revert | |
384 | the exec file, but that's rough. */ | |
385 | exec_file_command (arg, from_tty); | |
386 | symbol_file_command (arg, from_tty); | |
9a4105ab AC |
387 | if (deprecated_file_changed_hook) |
388 | deprecated_file_changed_hook (arg); | |
c906108c | 389 | } |
c906108c | 390 | \f |
c5aa993b | 391 | |
0963b4bd | 392 | /* Locate all mappable sections of a BFD file. |
c906108c SS |
393 | table_pp_char is a char * to get it through bfd_map_over_sections; |
394 | we cast it back to its proper type. */ | |
395 | ||
396 | static void | |
7be0c536 AC |
397 | add_to_section_table (bfd *abfd, struct bfd_section *asect, |
398 | void *table_pp_char) | |
c906108c | 399 | { |
0542c86d | 400 | struct target_section **table_pp = (struct target_section **) table_pp_char; |
c906108c SS |
401 | flagword aflag; |
402 | ||
2b2848e2 DE |
403 | gdb_assert (abfd == asect->owner); |
404 | ||
0f5d55d8 JB |
405 | /* Check the section flags, but do not discard zero-length sections, since |
406 | some symbols may still be attached to this section. For instance, we | |
407 | encountered on sparc-solaris 2.10 a shared library with an empty .bss | |
408 | section to which a symbol named "_end" was attached. The address | |
409 | of this symbol still needs to be relocated. */ | |
c906108c SS |
410 | aflag = bfd_get_section_flags (abfd, asect); |
411 | if (!(aflag & SEC_ALLOC)) | |
412 | return; | |
0f5d55d8 | 413 | |
046ac79f | 414 | (*table_pp)->owner = NULL; |
c906108c SS |
415 | (*table_pp)->the_bfd_section = asect; |
416 | (*table_pp)->addr = bfd_section_vma (abfd, asect); | |
417 | (*table_pp)->endaddr = (*table_pp)->addr + bfd_section_size (abfd, asect); | |
418 | (*table_pp)++; | |
419 | } | |
420 | ||
a5b1fd27 DE |
421 | /* See exec.h. */ |
422 | ||
423 | void | |
424 | clear_section_table (struct target_section_table *table) | |
425 | { | |
426 | xfree (table->sections); | |
427 | table->sections = table->sections_end = NULL; | |
428 | } | |
429 | ||
430 | /* Resize section table TABLE by ADJUSTMENT. | |
431 | ADJUSTMENT may be negative, in which case the caller must have already | |
432 | removed the sections being deleted. | |
433 | Returns the old size. */ | |
434 | ||
435 | static int | |
436 | resize_section_table (struct target_section_table *table, int adjustment) | |
07b82ea5 | 437 | { |
07b82ea5 PA |
438 | int old_count; |
439 | int new_count; | |
440 | ||
07b82ea5 PA |
441 | old_count = table->sections_end - table->sections; |
442 | ||
a5b1fd27 | 443 | new_count = adjustment + old_count; |
07b82ea5 PA |
444 | |
445 | if (new_count) | |
446 | { | |
447 | table->sections = xrealloc (table->sections, | |
448 | sizeof (struct target_section) * new_count); | |
449 | table->sections_end = table->sections + new_count; | |
450 | } | |
451 | else | |
a5b1fd27 | 452 | clear_section_table (table); |
07b82ea5 PA |
453 | |
454 | return old_count; | |
455 | } | |
456 | ||
c906108c SS |
457 | /* Builds a section table, given args BFD, SECTABLE_PTR, SECEND_PTR. |
458 | Returns 0 if OK, 1 on error. */ | |
459 | ||
460 | int | |
0542c86d PA |
461 | build_section_table (struct bfd *some_bfd, struct target_section **start, |
462 | struct target_section **end) | |
c906108c SS |
463 | { |
464 | unsigned count; | |
465 | ||
466 | count = bfd_count_sections (some_bfd); | |
467 | if (*start) | |
b8c9b27d | 468 | xfree (* start); |
0542c86d | 469 | *start = (struct target_section *) xmalloc (count * sizeof (**start)); |
c906108c | 470 | *end = *start; |
c5aa993b | 471 | bfd_map_over_sections (some_bfd, add_to_section_table, (char *) end); |
c906108c | 472 | if (*end > *start + count) |
3e43a32a MS |
473 | internal_error (__FILE__, __LINE__, |
474 | _("failed internal consistency check")); | |
c906108c SS |
475 | /* We could realloc the table, but it probably loses for most files. */ |
476 | return 0; | |
477 | } | |
07b82ea5 PA |
478 | |
479 | /* Add the sections array defined by [SECTIONS..SECTIONS_END[ to the | |
480 | current set of target sections. */ | |
481 | ||
482 | void | |
046ac79f | 483 | add_target_sections (void *owner, |
ed9eebaf | 484 | struct target_section *sections, |
07b82ea5 PA |
485 | struct target_section *sections_end) |
486 | { | |
487 | int count; | |
488 | struct target_section_table *table = current_target_sections; | |
489 | ||
490 | count = sections_end - sections; | |
491 | ||
492 | if (count > 0) | |
493 | { | |
494 | int space = resize_section_table (table, count); | |
ed9eebaf | 495 | int i; |
d7f9d729 | 496 | |
ed9eebaf TT |
497 | for (i = 0; i < count; ++i) |
498 | { | |
499 | table->sections[space + i] = sections[i]; | |
046ac79f | 500 | table->sections[space + i].owner = owner; |
ed9eebaf | 501 | } |
07b82ea5 PA |
502 | |
503 | /* If these are the first file sections we can provide memory | |
504 | from, push the file_stratum target. */ | |
ab16fce8 TT |
505 | if (!target_is_pushed (&exec_ops)) |
506 | push_target (&exec_ops); | |
07b82ea5 PA |
507 | } |
508 | } | |
509 | ||
76ad5e1e NB |
510 | /* Add the sections of OBJFILE to the current set of target sections. */ |
511 | ||
512 | void | |
513 | add_target_sections_of_objfile (struct objfile *objfile) | |
514 | { | |
515 | struct target_section_table *table = current_target_sections; | |
516 | struct obj_section *osect; | |
517 | int space; | |
518 | unsigned count = 0; | |
519 | struct target_section *ts; | |
520 | ||
521 | if (objfile == NULL) | |
522 | return; | |
523 | ||
524 | /* Compute the number of sections to add. */ | |
525 | ALL_OBJFILE_OSECTIONS (objfile, osect) | |
526 | { | |
527 | if (bfd_get_section_size (osect->the_bfd_section) == 0) | |
528 | continue; | |
529 | count++; | |
530 | } | |
531 | ||
532 | if (count == 0) | |
533 | return; | |
534 | ||
535 | space = resize_section_table (table, count); | |
536 | ||
537 | ts = table->sections + space; | |
538 | ||
539 | ALL_OBJFILE_OSECTIONS (objfile, osect) | |
540 | { | |
541 | if (bfd_get_section_size (osect->the_bfd_section) == 0) | |
542 | continue; | |
543 | ||
544 | gdb_assert (ts < table->sections + space + count); | |
545 | ||
546 | ts->addr = obj_section_addr (osect); | |
547 | ts->endaddr = obj_section_endaddr (osect); | |
548 | ts->the_bfd_section = osect->the_bfd_section; | |
549 | ts->owner = (void *) objfile; | |
550 | ||
551 | ts++; | |
552 | } | |
553 | } | |
554 | ||
046ac79f JK |
555 | /* Remove all target sections owned by OWNER. |
556 | OWNER must be the same value passed to add_target_sections. */ | |
07b82ea5 PA |
557 | |
558 | void | |
046ac79f | 559 | remove_target_sections (void *owner) |
07b82ea5 PA |
560 | { |
561 | struct target_section *src, *dest; | |
07b82ea5 PA |
562 | struct target_section_table *table = current_target_sections; |
563 | ||
046ac79f JK |
564 | gdb_assert (owner != NULL); |
565 | ||
07b82ea5 PA |
566 | dest = table->sections; |
567 | for (src = table->sections; src < table->sections_end; src++) | |
046ac79f | 568 | if (src->owner != owner) |
07b82ea5 PA |
569 | { |
570 | /* Keep this section. */ | |
571 | if (dest < src) | |
572 | *dest = *src; | |
573 | dest++; | |
574 | } | |
575 | ||
576 | /* If we've dropped any sections, resize the section table. */ | |
577 | if (dest < src) | |
578 | { | |
579 | int old_count; | |
580 | ||
581 | old_count = resize_section_table (table, dest - src); | |
582 | ||
583 | /* If we don't have any more sections to read memory from, | |
584 | remove the file_stratum target from the stack. */ | |
585 | if (old_count + (dest - src) == 0) | |
6c95b8df PA |
586 | { |
587 | struct program_space *pspace; | |
588 | ||
589 | ALL_PSPACES (pspace) | |
590 | if (pspace->target_sections.sections | |
591 | != pspace->target_sections.sections_end) | |
592 | return; | |
593 | ||
594 | unpush_target (&exec_ops); | |
595 | } | |
07b82ea5 PA |
596 | } |
597 | } | |
598 | ||
c906108c | 599 | \f |
348f8c02 | 600 | |
1ca49d37 YQ |
601 | enum target_xfer_status |
602 | exec_read_partial_read_only (gdb_byte *readbuf, ULONGEST offset, | |
603 | ULONGEST len, ULONGEST *xfered_len) | |
604 | { | |
605 | /* It's unduly pedantic to refuse to look at the executable for | |
606 | read-only pieces; so do the equivalent of readonly regions aka | |
607 | QTro packet. */ | |
608 | if (exec_bfd != NULL) | |
609 | { | |
610 | asection *s; | |
611 | bfd_size_type size; | |
612 | bfd_vma vma; | |
613 | ||
614 | for (s = exec_bfd->sections; s; s = s->next) | |
615 | { | |
616 | if ((s->flags & SEC_LOAD) == 0 | |
617 | || (s->flags & SEC_READONLY) == 0) | |
618 | continue; | |
619 | ||
620 | vma = s->vma; | |
621 | size = bfd_get_section_size (s); | |
622 | if (vma <= offset && offset < (vma + size)) | |
623 | { | |
624 | ULONGEST amt; | |
625 | ||
626 | amt = (vma + size) - offset; | |
627 | if (amt > len) | |
628 | amt = len; | |
629 | ||
630 | amt = bfd_get_section_contents (exec_bfd, s, | |
631 | readbuf, offset - vma, amt); | |
632 | ||
633 | if (amt == 0) | |
634 | return TARGET_XFER_EOF; | |
635 | else | |
636 | { | |
637 | *xfered_len = amt; | |
638 | return TARGET_XFER_OK; | |
639 | } | |
640 | } | |
641 | } | |
642 | } | |
643 | ||
644 | /* Indicate failure to find the requested memory block. */ | |
645 | return TARGET_XFER_E_IO; | |
646 | } | |
647 | ||
5a2eb0ef YQ |
648 | /* Appends all read-only memory ranges found in the target section |
649 | table defined by SECTIONS and SECTIONS_END, starting at (and | |
650 | intersected with) MEMADDR for LEN bytes. Returns the augmented | |
651 | VEC. */ | |
652 | ||
653 | static VEC(mem_range_s) * | |
e6ca34fc | 654 | section_table_available_memory (VEC(mem_range_s) *memory, |
424447ee | 655 | CORE_ADDR memaddr, ULONGEST len, |
e6ca34fc PA |
656 | struct target_section *sections, |
657 | struct target_section *sections_end) | |
658 | { | |
659 | struct target_section *p; | |
e6ca34fc PA |
660 | |
661 | for (p = sections; p < sections_end; p++) | |
662 | { | |
2b2848e2 DE |
663 | if ((bfd_get_section_flags (p->the_bfd_section->owner, |
664 | p->the_bfd_section) | |
e6ca34fc PA |
665 | & SEC_READONLY) == 0) |
666 | continue; | |
667 | ||
668 | /* Copy the meta-data, adjusted. */ | |
669 | if (mem_ranges_overlap (p->addr, p->endaddr - p->addr, memaddr, len)) | |
670 | { | |
671 | ULONGEST lo1, hi1, lo2, hi2; | |
672 | struct mem_range *r; | |
673 | ||
674 | lo1 = memaddr; | |
675 | hi1 = memaddr + len; | |
676 | ||
677 | lo2 = p->addr; | |
678 | hi2 = p->endaddr; | |
679 | ||
680 | r = VEC_safe_push (mem_range_s, memory, NULL); | |
681 | ||
682 | r->start = max (lo1, lo2); | |
683 | r->length = min (hi1, hi2) - r->start; | |
684 | } | |
685 | } | |
686 | ||
687 | return memory; | |
688 | } | |
689 | ||
1ee79381 YQ |
690 | enum target_xfer_status |
691 | section_table_read_available_memory (gdb_byte *readbuf, ULONGEST offset, | |
692 | ULONGEST len, ULONGEST *xfered_len) | |
693 | { | |
694 | VEC(mem_range_s) *available_memory = NULL; | |
695 | struct target_section_table *table; | |
696 | struct cleanup *old_chain; | |
697 | mem_range_s *r; | |
698 | int i; | |
699 | ||
700 | table = target_get_section_table (&exec_ops); | |
701 | available_memory = section_table_available_memory (available_memory, | |
702 | offset, len, | |
703 | table->sections, | |
704 | table->sections_end); | |
705 | ||
706 | old_chain = make_cleanup (VEC_cleanup(mem_range_s), | |
707 | &available_memory); | |
708 | ||
709 | normalize_mem_ranges (available_memory); | |
710 | ||
711 | for (i = 0; | |
712 | VEC_iterate (mem_range_s, available_memory, i, r); | |
713 | i++) | |
714 | { | |
715 | if (mem_ranges_overlap (r->start, r->length, offset, len)) | |
716 | { | |
717 | CORE_ADDR end; | |
718 | enum target_xfer_status status; | |
719 | ||
720 | /* Get the intersection window. */ | |
721 | end = min (offset + len, r->start + r->length); | |
722 | ||
723 | gdb_assert (end - offset <= len); | |
724 | ||
725 | if (offset >= r->start) | |
726 | status = exec_read_partial_read_only (readbuf, offset, | |
727 | end - offset, | |
728 | xfered_len); | |
729 | else | |
730 | { | |
731 | *xfered_len = r->start - offset; | |
bc113b4e | 732 | status = TARGET_XFER_UNAVAILABLE; |
1ee79381 YQ |
733 | } |
734 | do_cleanups (old_chain); | |
735 | return status; | |
736 | } | |
737 | } | |
738 | do_cleanups (old_chain); | |
739 | ||
740 | *xfered_len = len; | |
bc113b4e | 741 | return TARGET_XFER_UNAVAILABLE; |
1ee79381 YQ |
742 | } |
743 | ||
9b409511 | 744 | enum target_xfer_status |
07b82ea5 | 745 | section_table_xfer_memory_partial (gdb_byte *readbuf, const gdb_byte *writebuf, |
b55e14c7 | 746 | ULONGEST offset, ULONGEST len, |
9b409511 | 747 | ULONGEST *xfered_len, |
07b82ea5 PA |
748 | struct target_section *sections, |
749 | struct target_section *sections_end, | |
750 | const char *section_name) | |
c906108c | 751 | { |
020cc13c | 752 | int res; |
0542c86d | 753 | struct target_section *p; |
07b82ea5 PA |
754 | ULONGEST memaddr = offset; |
755 | ULONGEST memend = memaddr + len; | |
c906108c | 756 | |
b55e14c7 | 757 | if (len == 0) |
3e43a32a MS |
758 | internal_error (__FILE__, __LINE__, |
759 | _("failed internal consistency check")); | |
c906108c | 760 | |
348f8c02 | 761 | for (p = sections; p < sections_end; p++) |
c906108c | 762 | { |
2b2848e2 DE |
763 | struct bfd_section *asect = p->the_bfd_section; |
764 | bfd *abfd = asect->owner; | |
765 | ||
766 | if (section_name && strcmp (section_name, asect->name) != 0) | |
0963b4bd | 767 | continue; /* not the section we need. */ |
c906108c | 768 | if (memaddr >= p->addr) |
3db26b01 JB |
769 | { |
770 | if (memend <= p->endaddr) | |
771 | { | |
772 | /* Entire transfer is within this section. */ | |
07b82ea5 | 773 | if (writebuf) |
2b2848e2 | 774 | res = bfd_set_section_contents (abfd, asect, |
07b82ea5 | 775 | writebuf, memaddr - p->addr, |
85302095 AC |
776 | len); |
777 | else | |
2b2848e2 | 778 | res = bfd_get_section_contents (abfd, asect, |
07b82ea5 | 779 | readbuf, memaddr - p->addr, |
85302095 | 780 | len); |
9b409511 YQ |
781 | |
782 | if (res != 0) | |
783 | { | |
784 | *xfered_len = len; | |
785 | return TARGET_XFER_OK; | |
786 | } | |
787 | else | |
788 | return TARGET_XFER_EOF; | |
3db26b01 JB |
789 | } |
790 | else if (memaddr >= p->endaddr) | |
791 | { | |
792 | /* This section ends before the transfer starts. */ | |
793 | continue; | |
794 | } | |
795 | else | |
796 | { | |
797 | /* This section overlaps the transfer. Just do half. */ | |
798 | len = p->endaddr - memaddr; | |
07b82ea5 | 799 | if (writebuf) |
2b2848e2 | 800 | res = bfd_set_section_contents (abfd, asect, |
07b82ea5 | 801 | writebuf, memaddr - p->addr, |
85302095 AC |
802 | len); |
803 | else | |
2b2848e2 | 804 | res = bfd_get_section_contents (abfd, asect, |
07b82ea5 | 805 | readbuf, memaddr - p->addr, |
85302095 | 806 | len); |
9b409511 YQ |
807 | if (res != 0) |
808 | { | |
809 | *xfered_len = len; | |
810 | return TARGET_XFER_OK; | |
811 | } | |
812 | else | |
813 | return TARGET_XFER_EOF; | |
3db26b01 JB |
814 | } |
815 | } | |
c906108c SS |
816 | } |
817 | ||
9b409511 | 818 | return TARGET_XFER_EOF; /* We can't help. */ |
c906108c | 819 | } |
348f8c02 | 820 | |
70221824 | 821 | static struct target_section_table * |
07b82ea5 | 822 | exec_get_section_table (struct target_ops *ops) |
348f8c02 | 823 | { |
07b82ea5 | 824 | return current_target_sections; |
348f8c02 PA |
825 | } |
826 | ||
9b409511 | 827 | static enum target_xfer_status |
07b82ea5 PA |
828 | exec_xfer_partial (struct target_ops *ops, enum target_object object, |
829 | const char *annex, gdb_byte *readbuf, | |
830 | const gdb_byte *writebuf, | |
9b409511 | 831 | ULONGEST offset, ULONGEST len, ULONGEST *xfered_len) |
348f8c02 | 832 | { |
07b82ea5 PA |
833 | struct target_section_table *table = target_get_section_table (ops); |
834 | ||
835 | if (object == TARGET_OBJECT_MEMORY) | |
836 | return section_table_xfer_memory_partial (readbuf, writebuf, | |
9b409511 | 837 | offset, len, xfered_len, |
07b82ea5 PA |
838 | table->sections, |
839 | table->sections_end, | |
840 | NULL); | |
841 | else | |
2ed4b548 | 842 | return TARGET_XFER_E_IO; |
348f8c02 | 843 | } |
c906108c | 844 | \f |
c5aa993b | 845 | |
c906108c | 846 | void |
07b82ea5 | 847 | print_section_info (struct target_section_table *t, bfd *abfd) |
c906108c | 848 | { |
5af949e3 | 849 | struct gdbarch *gdbarch = gdbarch_from_bfd (abfd); |
0542c86d | 850 | struct target_section *p; |
17a912b6 | 851 | /* FIXME: 16 is not wide enough when gdbarch_addr_bit > 64. */ |
5af949e3 | 852 | int wid = gdbarch_addr_bit (gdbarch) <= 32 ? 8 : 16; |
c906108c | 853 | |
c5aa993b | 854 | printf_filtered ("\t`%s', ", bfd_get_filename (abfd)); |
c906108c | 855 | wrap_here (" "); |
a3f17187 | 856 | printf_filtered (_("file type %s.\n"), bfd_get_target (abfd)); |
c906108c | 857 | if (abfd == exec_bfd) |
51bee8e9 | 858 | { |
3e43a32a MS |
859 | /* gcc-3.4 does not like the initialization in |
860 | <p == t->sections_end>. */ | |
d904de5b | 861 | bfd_vma displacement = 0; |
2f1bdd26 | 862 | bfd_vma entry_point; |
51bee8e9 JK |
863 | |
864 | for (p = t->sections; p < t->sections_end; p++) | |
865 | { | |
2b2848e2 DE |
866 | struct bfd_section *psect = p->the_bfd_section; |
867 | bfd *pbfd = psect->owner; | |
51bee8e9 | 868 | |
2b2848e2 | 869 | if ((bfd_get_section_flags (pbfd, psect) & (SEC_ALLOC | SEC_LOAD)) |
51bee8e9 JK |
870 | != (SEC_ALLOC | SEC_LOAD)) |
871 | continue; | |
872 | ||
2b2848e2 DE |
873 | if (bfd_get_section_vma (pbfd, psect) <= abfd->start_address |
874 | && abfd->start_address < (bfd_get_section_vma (pbfd, psect) | |
875 | + bfd_get_section_size (psect))) | |
51bee8e9 | 876 | { |
2b2848e2 | 877 | displacement = p->addr - bfd_get_section_vma (pbfd, psect); |
51bee8e9 JK |
878 | break; |
879 | } | |
880 | } | |
881 | if (p == t->sections_end) | |
b37520b6 | 882 | warning (_("Cannot find section for the entry point of %s."), |
d904de5b | 883 | bfd_get_filename (abfd)); |
51bee8e9 | 884 | |
2f1bdd26 MGD |
885 | entry_point = gdbarch_addr_bits_remove (gdbarch, |
886 | bfd_get_start_address (abfd) | |
887 | + displacement); | |
51bee8e9 | 888 | printf_filtered (_("\tEntry point: %s\n"), |
2f1bdd26 | 889 | paddress (gdbarch, entry_point)); |
51bee8e9 | 890 | } |
07b82ea5 | 891 | for (p = t->sections; p < t->sections_end; p++) |
c906108c | 892 | { |
2b2848e2 DE |
893 | struct bfd_section *psect = p->the_bfd_section; |
894 | bfd *pbfd = psect->owner; | |
895 | ||
bb599908 PH |
896 | printf_filtered ("\t%s", hex_string_custom (p->addr, wid)); |
897 | printf_filtered (" - %s", hex_string_custom (p->endaddr, wid)); | |
bcf16802 KB |
898 | |
899 | /* FIXME: A format of "08l" is not wide enough for file offsets | |
900 | larger than 4GB. OTOH, making it "016l" isn't desirable either | |
901 | since most output will then be much wider than necessary. It | |
902 | may make sense to test the size of the file and choose the | |
903 | format string accordingly. */ | |
a3f17187 | 904 | /* FIXME: i18n: Need to rewrite this sentence. */ |
c906108c SS |
905 | if (info_verbose) |
906 | printf_filtered (" @ %s", | |
2b2848e2 DE |
907 | hex_string_custom (psect->filepos, 8)); |
908 | printf_filtered (" is %s", bfd_section_name (pbfd, psect)); | |
909 | if (pbfd != abfd) | |
910 | printf_filtered (" in %s", bfd_get_filename (pbfd)); | |
c906108c SS |
911 | printf_filtered ("\n"); |
912 | } | |
913 | } | |
914 | ||
915 | static void | |
fba45db2 | 916 | exec_files_info (struct target_ops *t) |
c906108c | 917 | { |
57008375 JK |
918 | if (exec_bfd) |
919 | print_section_info (current_target_sections, exec_bfd); | |
920 | else | |
921 | puts_filtered (_("\t<no file loaded>\n")); | |
c906108c SS |
922 | } |
923 | ||
924 | static void | |
fba45db2 | 925 | set_section_command (char *args, int from_tty) |
c906108c | 926 | { |
0542c86d | 927 | struct target_section *p; |
c906108c SS |
928 | char *secname; |
929 | unsigned seclen; | |
930 | unsigned long secaddr; | |
931 | char secprint[100]; | |
932 | long offset; | |
07b82ea5 | 933 | struct target_section_table *table; |
c906108c SS |
934 | |
935 | if (args == 0) | |
8a3fe4f8 | 936 | error (_("Must specify section name and its virtual address")); |
c906108c | 937 | |
0963b4bd | 938 | /* Parse out section name. */ |
c5aa993b | 939 | for (secname = args; !isspace (*args); args++); |
c906108c SS |
940 | seclen = args - secname; |
941 | ||
0963b4bd | 942 | /* Parse out new virtual address. */ |
c906108c SS |
943 | secaddr = parse_and_eval_address (args); |
944 | ||
07b82ea5 PA |
945 | table = current_target_sections; |
946 | for (p = table->sections; p < table->sections_end; p++) | |
c5aa993b | 947 | { |
57008375 | 948 | if (!strncmp (secname, bfd_section_name (p->bfd, |
3e43a32a | 949 | p->the_bfd_section), seclen) |
57008375 | 950 | && bfd_section_name (p->bfd, p->the_bfd_section)[seclen] == '\0') |
c5aa993b JM |
951 | { |
952 | offset = secaddr - p->addr; | |
953 | p->addr += offset; | |
954 | p->endaddr += offset; | |
955 | if (from_tty) | |
956 | exec_files_info (&exec_ops); | |
957 | return; | |
958 | } | |
c906108c | 959 | } |
c906108c SS |
960 | if (seclen >= sizeof (secprint)) |
961 | seclen = sizeof (secprint) - 1; | |
962 | strncpy (secprint, secname, seclen); | |
963 | secprint[seclen] = '\0'; | |
8a3fe4f8 | 964 | error (_("Section %s not found"), secprint); |
c906108c SS |
965 | } |
966 | ||
30510692 DJ |
967 | /* If we can find a section in FILENAME with BFD index INDEX, adjust |
968 | it to ADDRESS. */ | |
c1bd25fd DJ |
969 | |
970 | void | |
971 | exec_set_section_address (const char *filename, int index, CORE_ADDR address) | |
972 | { | |
0542c86d | 973 | struct target_section *p; |
07b82ea5 | 974 | struct target_section_table *table; |
c1bd25fd | 975 | |
07b82ea5 PA |
976 | table = current_target_sections; |
977 | for (p = table->sections; p < table->sections_end; p++) | |
c1bd25fd | 978 | { |
2b2848e2 | 979 | if (filename_cmp (filename, p->the_bfd_section->owner->filename) == 0 |
30510692 | 980 | && index == p->the_bfd_section->index) |
c1bd25fd | 981 | { |
30510692 | 982 | p->endaddr += address - p->addr; |
c1bd25fd | 983 | p->addr = address; |
c1bd25fd DJ |
984 | } |
985 | } | |
986 | } | |
987 | ||
c906108c SS |
988 | /* If mourn is being called in all the right places, this could be say |
989 | `gdb internal error' (since generic_mourn calls | |
990 | breakpoint_init_inferior). */ | |
991 | ||
992 | static int | |
3db08215 MM |
993 | ignore (struct target_ops *ops, struct gdbarch *gdbarch, |
994 | struct bp_target_info *bp_tgt) | |
c906108c SS |
995 | { |
996 | return 0; | |
997 | } | |
998 | ||
c35b1492 PA |
999 | static int |
1000 | exec_has_memory (struct target_ops *ops) | |
1001 | { | |
1002 | /* We can provide memory if we have any file/target sections to read | |
1003 | from. */ | |
1004 | return (current_target_sections->sections | |
1005 | != current_target_sections->sections_end); | |
1006 | } | |
1007 | ||
83814951 TT |
1008 | static char * |
1009 | exec_make_note_section (struct target_ops *self, bfd *obfd, int *note_size) | |
1010 | { | |
1011 | error (_("Can't create a corefile")); | |
1012 | } | |
be4d1333 | 1013 | |
c906108c SS |
1014 | /* Fill in the exec file target vector. Very few entries need to be |
1015 | defined. */ | |
1016 | ||
be4d1333 | 1017 | static void |
fba45db2 | 1018 | init_exec_ops (void) |
c906108c SS |
1019 | { |
1020 | exec_ops.to_shortname = "exec"; | |
1021 | exec_ops.to_longname = "Local exec file"; | |
1022 | exec_ops.to_doc = "Use an executable file as a target.\n\ | |
1023 | Specify the filename of the executable file."; | |
1adeb98a | 1024 | exec_ops.to_open = exec_open; |
6c95b8df | 1025 | exec_ops.to_close = exec_close_1; |
07b82ea5 PA |
1026 | exec_ops.to_xfer_partial = exec_xfer_partial; |
1027 | exec_ops.to_get_section_table = exec_get_section_table; | |
c906108c SS |
1028 | exec_ops.to_files_info = exec_files_info; |
1029 | exec_ops.to_insert_breakpoint = ignore; | |
1030 | exec_ops.to_remove_breakpoint = ignore; | |
c906108c | 1031 | exec_ops.to_stratum = file_stratum; |
c35b1492 | 1032 | exec_ops.to_has_memory = exec_has_memory; |
be4d1333 | 1033 | exec_ops.to_make_corefile_notes = exec_make_note_section; |
b427c1bc | 1034 | exec_ops.to_find_memory_regions = objfile_find_memory_regions; |
c5aa993b | 1035 | exec_ops.to_magic = OPS_MAGIC; |
c906108c SS |
1036 | } |
1037 | ||
1038 | void | |
fba45db2 | 1039 | _initialize_exec (void) |
c906108c SS |
1040 | { |
1041 | struct cmd_list_element *c; | |
1042 | ||
1043 | init_exec_ops (); | |
1044 | ||
1045 | if (!dbx_commands) | |
1046 | { | |
1a966eab AC |
1047 | c = add_cmd ("file", class_files, file_command, _("\ |
1048 | Use FILE as program to be debugged.\n\ | |
c906108c SS |
1049 | It is read for its symbols, for getting the contents of pure memory,\n\ |
1050 | and it is the program executed when you use the `run' command.\n\ | |
1051 | If FILE cannot be found as specified, your execution directory path\n\ | |
1052 | ($PATH) is searched for a command of that name.\n\ | |
1a966eab | 1053 | No arg means to have no executable file and no symbols."), &cmdlist); |
5ba2abeb | 1054 | set_cmd_completer (c, filename_completer); |
c906108c SS |
1055 | } |
1056 | ||
1a966eab AC |
1057 | c = add_cmd ("exec-file", class_files, exec_file_command, _("\ |
1058 | Use FILE as program for getting contents of pure memory.\n\ | |
c906108c SS |
1059 | If FILE cannot be found as specified, your execution directory path\n\ |
1060 | is searched for a command of that name.\n\ | |
1a966eab | 1061 | No arg means have no executable file."), &cmdlist); |
5ba2abeb | 1062 | set_cmd_completer (c, filename_completer); |
c906108c | 1063 | |
1bedd215 AC |
1064 | add_com ("section", class_files, set_section_command, _("\ |
1065 | Change the base address of section SECTION of the exec file to ADDR.\n\ | |
c906108c SS |
1066 | This can be used if the exec file does not contain section addresses,\n\ |
1067 | (such as in the a.out format), or when the addresses specified in the\n\ | |
1068 | file itself are wrong. Each section must be changed separately. The\n\ | |
1bedd215 | 1069 | ``info files'' command lists all the sections and their addresses.")); |
c906108c | 1070 | |
5bf193a2 AC |
1071 | add_setshow_boolean_cmd ("write", class_support, &write_files, _("\ |
1072 | Set writing into executable and core files."), _("\ | |
1073 | Show writing into executable and core files."), NULL, | |
1074 | NULL, | |
920d2a44 | 1075 | show_write_files, |
5bf193a2 | 1076 | &setlist, &showlist); |
c5aa993b | 1077 | |
9852c492 | 1078 | add_target_with_completer (&exec_ops, filename_completer); |
c906108c | 1079 | } |