Commit | Line | Data |
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c906108c | 1 | /* Core dump and executable file functions above target vector, for GDB. |
1bac305b | 2 | |
61baf725 | 3 | Copyright (C) 1986-2017 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" | |
c906108c SS |
21 | #include <signal.h> |
22 | #include <fcntl.h> | |
c906108c SS |
23 | #include "inferior.h" |
24 | #include "symtab.h" | |
25 | #include "command.h" | |
26 | #include "gdbcmd.h" | |
27 | #include "bfd.h" | |
28 | #include "target.h" | |
29 | #include "gdbcore.h" | |
30 | #include "dis-asm.h" | |
53ce3c39 | 31 | #include <sys/stat.h> |
d75b5104 | 32 | #include "completer.h" |
972daa01 | 33 | #include "observer.h" |
44478ab3 | 34 | #include "cli/cli-utils.h" |
c906108c | 35 | |
9a4105ab AC |
36 | /* You can have any number of hooks for `exec_file_command' command to |
37 | call. If there's only one hook, it is set in exec_file_display | |
38 | hook. If there are two or more hooks, they are set in | |
39 | exec_file_extra_hooks[], and deprecated_exec_file_display_hook is | |
40 | set to a function that calls all of them. This extra complexity is | |
41 | needed to preserve compatibility with old code that assumed that | |
42 | only one hook could be set, and which called | |
43 | deprecated_exec_file_display_hook directly. */ | |
c906108c | 44 | |
5f08566b | 45 | typedef void (*hook_type) (const char *); |
c906108c | 46 | |
aff410f1 MS |
47 | hook_type deprecated_exec_file_display_hook; /* The original hook. */ |
48 | static hook_type *exec_file_extra_hooks; /* Array of additional | |
49 | hooks. */ | |
50 | static int exec_file_hook_count = 0; /* Size of array. */ | |
c906108c SS |
51 | |
52 | /* Binary file diddling handle for the core file. */ | |
53 | ||
54 | bfd *core_bfd = NULL; | |
c0edd9ed | 55 | |
06b9f45f | 56 | /* corelow.c target. It is never NULL after GDB initialization. */ |
c0edd9ed JK |
57 | |
58 | struct target_ops *core_target; | |
c906108c | 59 | \f |
c5aa993b | 60 | |
c906108c SS |
61 | /* Backward compatability with old way of specifying core files. */ |
62 | ||
63 | void | |
d64097b1 | 64 | core_file_command (const char *filename, int from_tty) |
c906108c | 65 | { |
aff410f1 | 66 | dont_repeat (); /* Either way, seems bogus. */ |
c906108c | 67 | |
06b9f45f | 68 | gdb_assert (core_target != NULL); |
46c6cdcf C |
69 | |
70 | if (!filename) | |
c0edd9ed | 71 | (core_target->to_detach) (core_target, filename, from_tty); |
46c6cdcf | 72 | else |
c0edd9ed | 73 | (core_target->to_open) (filename, from_tty); |
c906108c | 74 | } |
c906108c | 75 | \f |
c5aa993b | 76 | |
de6854b5 MS |
77 | /* If there are two or more functions that wish to hook into |
78 | exec_file_command, this function will call all of the hook | |
79 | functions. */ | |
c906108c SS |
80 | |
81 | static void | |
5f08566b | 82 | call_extra_exec_file_hooks (const char *filename) |
c906108c SS |
83 | { |
84 | int i; | |
85 | ||
86 | for (i = 0; i < exec_file_hook_count; i++) | |
c5aa993b | 87 | (*exec_file_extra_hooks[i]) (filename); |
c906108c SS |
88 | } |
89 | ||
90 | /* Call this to specify the hook for exec_file_command to call back. | |
91 | This is called from the x-window display code. */ | |
92 | ||
93 | void | |
5f08566b | 94 | specify_exec_file_hook (void (*hook) (const char *)) |
c906108c SS |
95 | { |
96 | hook_type *new_array; | |
97 | ||
9a4105ab | 98 | if (deprecated_exec_file_display_hook != NULL) |
c906108c SS |
99 | { |
100 | /* There's already a hook installed. Arrange to have both it | |
aff410f1 | 101 | and the subsequent hooks called. */ |
c906108c SS |
102 | if (exec_file_hook_count == 0) |
103 | { | |
aff410f1 MS |
104 | /* If this is the first extra hook, initialize the hook |
105 | array. */ | |
8d749320 | 106 | exec_file_extra_hooks = XNEW (hook_type); |
9a4105ab AC |
107 | exec_file_extra_hooks[0] = deprecated_exec_file_display_hook; |
108 | deprecated_exec_file_display_hook = call_extra_exec_file_hooks; | |
c906108c SS |
109 | exec_file_hook_count = 1; |
110 | } | |
111 | ||
112 | /* Grow the hook array by one and add the new hook to the end. | |
113 | Yes, it's inefficient to grow it by one each time but since | |
114 | this is hardly ever called it's not a big deal. */ | |
115 | exec_file_hook_count++; | |
aff410f1 MS |
116 | new_array = (hook_type *) |
117 | xrealloc (exec_file_extra_hooks, | |
118 | exec_file_hook_count * sizeof (hook_type)); | |
c906108c SS |
119 | exec_file_extra_hooks = new_array; |
120 | exec_file_extra_hooks[exec_file_hook_count - 1] = hook; | |
121 | } | |
122 | else | |
9a4105ab | 123 | deprecated_exec_file_display_hook = hook; |
c906108c SS |
124 | } |
125 | ||
c906108c | 126 | void |
fba45db2 | 127 | reopen_exec_file (void) |
c906108c | 128 | { |
c906108c SS |
129 | int res; |
130 | struct stat st; | |
c906108c | 131 | |
aff410f1 | 132 | /* Don't do anything if there isn't an exec file. */ |
4c42eaff | 133 | if (exec_bfd == NULL) |
c906108c | 134 | return; |
c5aa993b | 135 | |
aff410f1 | 136 | /* If the timestamp of the exec file has changed, reopen it. */ |
0638b7f9 TT |
137 | std::string filename = bfd_get_filename (exec_bfd); |
138 | res = stat (filename.c_str (), &st); | |
c906108c | 139 | |
537d9b85 | 140 | if (res == 0 && exec_bfd_mtime && exec_bfd_mtime != st.st_mtime) |
0638b7f9 | 141 | exec_file_attach (filename.c_str (), 0); |
939643d7 DJ |
142 | else |
143 | /* If we accessed the file since last opening it, close it now; | |
144 | this stops GDB from holding the executable open after it | |
145 | exits. */ | |
146 | bfd_cache_close_all (); | |
c906108c SS |
147 | } |
148 | \f | |
149 | /* If we have both a core file and an exec file, | |
150 | print a warning if they don't go together. */ | |
151 | ||
152 | void | |
fba45db2 | 153 | validate_files (void) |
c906108c SS |
154 | { |
155 | if (exec_bfd && core_bfd) | |
156 | { | |
157 | if (!core_file_matches_executable_p (core_bfd, exec_bfd)) | |
8a3fe4f8 | 158 | warning (_("core file may not match specified executable file.")); |
c5aa993b | 159 | else if (bfd_get_mtime (exec_bfd) > bfd_get_mtime (core_bfd)) |
8a3fe4f8 | 160 | warning (_("exec file is newer than core file.")); |
c906108c SS |
161 | } |
162 | } | |
163 | ||
2090129c | 164 | /* See common/common-inferior.h. */ |
c906108c SS |
165 | |
166 | char * | |
fba45db2 | 167 | get_exec_file (int err) |
c906108c | 168 | { |
1f0c4988 JK |
169 | if (exec_filename) |
170 | return exec_filename; | |
c5aa993b JM |
171 | if (!err) |
172 | return NULL; | |
c906108c | 173 | |
8a3fe4f8 AC |
174 | error (_("No executable file specified.\n\ |
175 | Use the \"file\" or \"exec-file\" command.")); | |
c906108c SS |
176 | return NULL; |
177 | } | |
c906108c | 178 | \f |
c5aa993b | 179 | |
1ccbe998 | 180 | std::string |
9b409511 | 181 | memory_error_message (enum target_xfer_status err, |
578d3588 | 182 | struct gdbarch *gdbarch, CORE_ADDR memaddr) |
6be7b56e PA |
183 | { |
184 | switch (err) | |
185 | { | |
186 | case TARGET_XFER_E_IO: | |
187 | /* Actually, address between memaddr and memaddr + len was out of | |
188 | bounds. */ | |
1ccbe998 TT |
189 | return string_printf (_("Cannot access memory at address %s"), |
190 | paddress (gdbarch, memaddr)); | |
bc113b4e | 191 | case TARGET_XFER_UNAVAILABLE: |
1ccbe998 TT |
192 | return string_printf (_("Memory at address %s unavailable."), |
193 | paddress (gdbarch, memaddr)); | |
6be7b56e PA |
194 | default: |
195 | internal_error (__FILE__, __LINE__, | |
9b409511 YQ |
196 | "unhandled target_xfer_status: %s (%s)", |
197 | target_xfer_status_to_string (err), | |
6be7b56e PA |
198 | plongest (err)); |
199 | } | |
200 | } | |
201 | ||
578d3588 | 202 | /* Report a memory error by throwing a suitable exception. */ |
c906108c SS |
203 | |
204 | void | |
9b409511 | 205 | memory_error (enum target_xfer_status err, CORE_ADDR memaddr) |
c906108c | 206 | { |
8635b3bf | 207 | enum errors exception = GDB_NO_ERROR; |
578d3588 PA |
208 | |
209 | /* Build error string. */ | |
1ccbe998 | 210 | std::string str = memory_error_message (err, target_gdbarch (), memaddr); |
578d3588 PA |
211 | |
212 | /* Choose the right error to throw. */ | |
213 | switch (err) | |
214 | { | |
215 | case TARGET_XFER_E_IO: | |
8635b3bf | 216 | exception = MEMORY_ERROR; |
578d3588 | 217 | break; |
bc113b4e | 218 | case TARGET_XFER_UNAVAILABLE: |
8635b3bf | 219 | exception = NOT_AVAILABLE_ERROR; |
578d3588 PA |
220 | break; |
221 | } | |
222 | ||
223 | /* Throw it. */ | |
1ccbe998 | 224 | throw_error (exception, ("%s"), str.c_str ()); |
c906108c SS |
225 | } |
226 | ||
edf689f0 | 227 | /* Helper function. */ |
4e5d721f | 228 | |
edf689f0 YQ |
229 | static void |
230 | read_memory_object (enum target_object object, CORE_ADDR memaddr, | |
231 | gdb_byte *myaddr, ssize_t len) | |
c906108c | 232 | { |
9b409511 | 233 | ULONGEST xfered = 0; |
c5504eaf | 234 | |
6be7b56e PA |
235 | while (xfered < len) |
236 | { | |
9b409511 YQ |
237 | enum target_xfer_status status; |
238 | ULONGEST xfered_len; | |
6be7b56e | 239 | |
9b409511 | 240 | status = target_xfer_partial (current_target.beneath, |
edf689f0 | 241 | object, NULL, |
9b409511 YQ |
242 | myaddr + xfered, NULL, |
243 | memaddr + xfered, len - xfered, | |
244 | &xfered_len); | |
245 | ||
5c328c05 YQ |
246 | if (status != TARGET_XFER_OK) |
247 | memory_error (status == TARGET_XFER_EOF ? TARGET_XFER_E_IO : status, | |
248 | memaddr + xfered); | |
9b409511 | 249 | |
9b409511 | 250 | xfered += xfered_len; |
6be7b56e PA |
251 | QUIT; |
252 | } | |
c906108c SS |
253 | } |
254 | ||
edf689f0 YQ |
255 | /* Same as target_read_memory, but report an error if can't read. */ |
256 | ||
257 | void | |
258 | read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) | |
259 | { | |
260 | read_memory_object (TARGET_OBJECT_MEMORY, memaddr, myaddr, len); | |
261 | } | |
262 | ||
4e5d721f DE |
263 | /* Same as target_read_stack, but report an error if can't read. */ |
264 | ||
265 | void | |
45aa4659 | 266 | read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) |
4e5d721f | 267 | { |
edf689f0 | 268 | read_memory_object (TARGET_OBJECT_STACK_MEMORY, memaddr, myaddr, len); |
4e5d721f DE |
269 | } |
270 | ||
0865b04a YQ |
271 | /* Same as target_read_code, but report an error if can't read. */ |
272 | ||
273 | void | |
274 | read_code (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) | |
275 | { | |
edf689f0 | 276 | read_memory_object (TARGET_OBJECT_CODE_MEMORY, memaddr, myaddr, len); |
0865b04a YQ |
277 | } |
278 | ||
ee8ff470 KB |
279 | /* Read memory at MEMADDR of length LEN and put the contents in |
280 | RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero | |
281 | if successful. */ | |
282 | ||
16a0f3e7 | 283 | int |
c5504eaf MS |
284 | safe_read_memory_integer (CORE_ADDR memaddr, int len, |
285 | enum bfd_endian byte_order, | |
e17a4113 | 286 | LONGEST *return_value) |
16a0f3e7 | 287 | { |
5e43d467 | 288 | gdb_byte buf[sizeof (LONGEST)]; |
16a0f3e7 | 289 | |
5e43d467 UW |
290 | if (target_read_memory (memaddr, buf, len)) |
291 | return 0; | |
16a0f3e7 | 292 | |
5e43d467 UW |
293 | *return_value = extract_signed_integer (buf, len, byte_order); |
294 | return 1; | |
16a0f3e7 EZ |
295 | } |
296 | ||
cc2c4da8 MK |
297 | /* Read memory at MEMADDR of length LEN and put the contents in |
298 | RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero | |
299 | if successful. */ | |
300 | ||
301 | int | |
302 | safe_read_memory_unsigned_integer (CORE_ADDR memaddr, int len, | |
303 | enum bfd_endian byte_order, | |
304 | ULONGEST *return_value) | |
305 | { | |
306 | gdb_byte buf[sizeof (ULONGEST)]; | |
307 | ||
308 | if (target_read_memory (memaddr, buf, len)) | |
309 | return 0; | |
310 | ||
311 | *return_value = extract_unsigned_integer (buf, len, byte_order); | |
312 | return 1; | |
313 | } | |
314 | ||
c906108c | 315 | LONGEST |
aff410f1 MS |
316 | read_memory_integer (CORE_ADDR memaddr, int len, |
317 | enum bfd_endian byte_order) | |
c906108c | 318 | { |
dfb65433 | 319 | gdb_byte buf[sizeof (LONGEST)]; |
c906108c SS |
320 | |
321 | read_memory (memaddr, buf, len); | |
e17a4113 | 322 | return extract_signed_integer (buf, len, byte_order); |
c906108c SS |
323 | } |
324 | ||
325 | ULONGEST | |
aff410f1 MS |
326 | read_memory_unsigned_integer (CORE_ADDR memaddr, int len, |
327 | enum bfd_endian byte_order) | |
c906108c | 328 | { |
dfb65433 | 329 | gdb_byte buf[sizeof (ULONGEST)]; |
c906108c SS |
330 | |
331 | read_memory (memaddr, buf, len); | |
e17a4113 | 332 | return extract_unsigned_integer (buf, len, byte_order); |
c906108c SS |
333 | } |
334 | ||
0865b04a YQ |
335 | LONGEST |
336 | read_code_integer (CORE_ADDR memaddr, int len, | |
337 | enum bfd_endian byte_order) | |
338 | { | |
339 | gdb_byte buf[sizeof (LONGEST)]; | |
340 | ||
341 | read_code (memaddr, buf, len); | |
342 | return extract_signed_integer (buf, len, byte_order); | |
343 | } | |
344 | ||
345 | ULONGEST | |
346 | read_code_unsigned_integer (CORE_ADDR memaddr, int len, | |
347 | enum bfd_endian byte_order) | |
348 | { | |
349 | gdb_byte buf[sizeof (ULONGEST)]; | |
350 | ||
351 | read_code (memaddr, buf, len); | |
352 | return extract_unsigned_integer (buf, len, byte_order); | |
353 | } | |
354 | ||
c906108c | 355 | void |
fba45db2 | 356 | read_memory_string (CORE_ADDR memaddr, char *buffer, int max_len) |
c906108c | 357 | { |
52f0bd74 AC |
358 | char *cp; |
359 | int i; | |
c906108c SS |
360 | int cnt; |
361 | ||
362 | cp = buffer; | |
363 | while (1) | |
364 | { | |
365 | if (cp - buffer >= max_len) | |
c5aa993b JM |
366 | { |
367 | buffer[max_len - 1] = '\0'; | |
368 | break; | |
369 | } | |
c906108c SS |
370 | cnt = max_len - (cp - buffer); |
371 | if (cnt > 8) | |
372 | cnt = 8; | |
c8af03a2 | 373 | read_memory (memaddr + (int) (cp - buffer), (gdb_byte *) cp, cnt); |
c906108c | 374 | for (i = 0; i < cnt && *cp; i++, cp++) |
c5aa993b | 375 | ; /* null body */ |
c906108c SS |
376 | |
377 | if (i < cnt && !*cp) | |
c5aa993b | 378 | break; |
c906108c SS |
379 | } |
380 | } | |
c26e4683 | 381 | |
0d540cdf KD |
382 | CORE_ADDR |
383 | read_memory_typed_address (CORE_ADDR addr, struct type *type) | |
384 | { | |
224c3ddb | 385 | gdb_byte *buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
c5504eaf | 386 | |
0d540cdf KD |
387 | read_memory (addr, buf, TYPE_LENGTH (type)); |
388 | return extract_typed_address (buf, type); | |
389 | } | |
390 | ||
cb6f16cf SM |
391 | /* See gdbcore.h. */ |
392 | ||
c26e4683 | 393 | void |
aff410f1 | 394 | write_memory (CORE_ADDR memaddr, |
45aa4659 | 395 | const bfd_byte *myaddr, ssize_t len) |
c26e4683 JB |
396 | { |
397 | int status; | |
c5504eaf | 398 | |
00630ca8 | 399 | status = target_write_memory (memaddr, myaddr, len); |
c26e4683 | 400 | if (status != 0) |
d09f2c3f | 401 | memory_error (TARGET_XFER_E_IO, memaddr); |
c26e4683 JB |
402 | } |
403 | ||
972daa01 YQ |
404 | /* Same as write_memory, but notify 'memory_changed' observers. */ |
405 | ||
406 | void | |
407 | write_memory_with_notification (CORE_ADDR memaddr, const bfd_byte *myaddr, | |
408 | ssize_t len) | |
409 | { | |
410 | write_memory (memaddr, myaddr, len); | |
8de0566d | 411 | observer_notify_memory_changed (current_inferior (), memaddr, len, myaddr); |
972daa01 YQ |
412 | } |
413 | ||
aff410f1 MS |
414 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned |
415 | integer. */ | |
c26e4683 | 416 | void |
c5504eaf MS |
417 | write_memory_unsigned_integer (CORE_ADDR addr, int len, |
418 | enum bfd_endian byte_order, | |
e17a4113 | 419 | ULONGEST value) |
c26e4683 | 420 | { |
224c3ddb | 421 | gdb_byte *buf = (gdb_byte *) alloca (len); |
c5504eaf | 422 | |
e17a4113 | 423 | store_unsigned_integer (buf, len, byte_order, value); |
c26e4683 JB |
424 | write_memory (addr, buf, len); |
425 | } | |
426 | ||
aff410f1 MS |
427 | /* Store VALUE at ADDR in the inferior as a LEN-byte signed |
428 | integer. */ | |
c26e4683 | 429 | void |
c5504eaf MS |
430 | write_memory_signed_integer (CORE_ADDR addr, int len, |
431 | enum bfd_endian byte_order, | |
e17a4113 | 432 | LONGEST value) |
c26e4683 | 433 | { |
224c3ddb | 434 | gdb_byte *buf = (gdb_byte *) alloca (len); |
c5504eaf | 435 | |
e17a4113 | 436 | store_signed_integer (buf, len, byte_order, value); |
c26e4683 JB |
437 | write_memory (addr, buf, len); |
438 | } | |
c906108c SS |
439 | \f |
440 | /* The current default bfd target. Points to storage allocated for | |
441 | gnutarget_string. */ | |
442 | char *gnutarget; | |
443 | ||
444 | /* Same thing, except it is "auto" not NULL for the default case. */ | |
445 | static char *gnutarget_string; | |
920d2a44 AC |
446 | static void |
447 | show_gnutarget_string (struct ui_file *file, int from_tty, | |
aff410f1 MS |
448 | struct cmd_list_element *c, |
449 | const char *value) | |
920d2a44 | 450 | { |
aff410f1 MS |
451 | fprintf_filtered (file, |
452 | _("The current BFD target is \"%s\".\n"), value); | |
920d2a44 | 453 | } |
c906108c | 454 | |
aff410f1 MS |
455 | static void set_gnutarget_command (char *, int, |
456 | struct cmd_list_element *); | |
c906108c SS |
457 | |
458 | static void | |
aff410f1 MS |
459 | set_gnutarget_command (char *ignore, int from_tty, |
460 | struct cmd_list_element *c) | |
c906108c | 461 | { |
44478ab3 TT |
462 | char *gend = gnutarget_string + strlen (gnutarget_string); |
463 | ||
464 | gend = remove_trailing_whitespace (gnutarget_string, gend); | |
465 | *gend = '\0'; | |
466 | ||
bde58177 | 467 | if (strcmp (gnutarget_string, "auto") == 0) |
c906108c SS |
468 | gnutarget = NULL; |
469 | else | |
470 | gnutarget = gnutarget_string; | |
471 | } | |
472 | ||
44478ab3 TT |
473 | /* A completion function for "set gnutarget". */ |
474 | ||
eb3ff9a5 | 475 | static void |
6f937416 | 476 | complete_set_gnutarget (struct cmd_list_element *cmd, |
eb3ff9a5 | 477 | completion_tracker &tracker, |
6f937416 | 478 | const char *text, const char *word) |
44478ab3 TT |
479 | { |
480 | static const char **bfd_targets; | |
481 | ||
482 | if (bfd_targets == NULL) | |
483 | { | |
484 | int last; | |
485 | ||
486 | bfd_targets = bfd_target_list (); | |
487 | for (last = 0; bfd_targets[last] != NULL; ++last) | |
488 | ; | |
489 | ||
224c3ddb | 490 | bfd_targets = XRESIZEVEC (const char *, bfd_targets, last + 2); |
44478ab3 TT |
491 | bfd_targets[last] = "auto"; |
492 | bfd_targets[last + 1] = NULL; | |
493 | } | |
494 | ||
eb3ff9a5 | 495 | complete_on_enum (tracker, bfd_targets, text, word); |
44478ab3 TT |
496 | } |
497 | ||
c906108c SS |
498 | /* Set the gnutarget. */ |
499 | void | |
a121b7c1 | 500 | set_gnutarget (const char *newtarget) |
c906108c SS |
501 | { |
502 | if (gnutarget_string != NULL) | |
b8c9b27d | 503 | xfree (gnutarget_string); |
1b36a34b | 504 | gnutarget_string = xstrdup (newtarget); |
c906108c SS |
505 | set_gnutarget_command (NULL, 0, NULL); |
506 | } | |
507 | ||
508 | void | |
fba45db2 | 509 | _initialize_core (void) |
c906108c SS |
510 | { |
511 | struct cmd_list_element *c; | |
c5504eaf | 512 | |
1a966eab AC |
513 | c = add_cmd ("core-file", class_files, core_file_command, _("\ |
514 | Use FILE as core dump for examining memory and registers.\n\ | |
c906108c | 515 | No arg means have no core file. This command has been superseded by the\n\ |
1a966eab | 516 | `target core' and `detach' commands."), &cmdlist); |
5ba2abeb | 517 | set_cmd_completer (c, filename_completer); |
c906108c | 518 | |
26c41df3 | 519 | |
44478ab3 TT |
520 | c = add_setshow_string_noescape_cmd ("gnutarget", class_files, |
521 | &gnutarget_string, _("\ | |
26c41df3 AC |
522 | Set the current BFD target."), _("\ |
523 | Show the current BFD target."), _("\ | |
524 | Use `set gnutarget auto' to specify automatic detection."), | |
44478ab3 TT |
525 | set_gnutarget_command, |
526 | show_gnutarget_string, | |
527 | &setlist, &showlist); | |
528 | set_cmd_completer (c, complete_set_gnutarget); | |
529 | ||
7e20dfcd | 530 | add_alias_cmd ("g", "gnutarget", class_files, 1, &setlist); |
c906108c SS |
531 | |
532 | if (getenv ("GNUTARGET")) | |
533 | set_gnutarget (getenv ("GNUTARGET")); | |
534 | else | |
535 | set_gnutarget ("auto"); | |
536 | } |