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 | |
c906108c SS |
36 | /* Local function declarations. */ |
37 | ||
a14ed312 | 38 | extern void _initialize_core (void); |
c906108c | 39 | |
9a4105ab AC |
40 | /* You can have any number of hooks for `exec_file_command' command to |
41 | call. If there's only one hook, it is set in exec_file_display | |
42 | hook. If there are two or more hooks, they are set in | |
43 | exec_file_extra_hooks[], and deprecated_exec_file_display_hook is | |
44 | set to a function that calls all of them. This extra complexity is | |
45 | needed to preserve compatibility with old code that assumed that | |
46 | only one hook could be set, and which called | |
47 | deprecated_exec_file_display_hook directly. */ | |
c906108c | 48 | |
5f08566b | 49 | typedef void (*hook_type) (const char *); |
c906108c | 50 | |
aff410f1 MS |
51 | hook_type deprecated_exec_file_display_hook; /* The original hook. */ |
52 | static hook_type *exec_file_extra_hooks; /* Array of additional | |
53 | hooks. */ | |
54 | static int exec_file_hook_count = 0; /* Size of array. */ | |
c906108c SS |
55 | |
56 | /* Binary file diddling handle for the core file. */ | |
57 | ||
58 | bfd *core_bfd = NULL; | |
c0edd9ed | 59 | |
06b9f45f | 60 | /* corelow.c target. It is never NULL after GDB initialization. */ |
c0edd9ed JK |
61 | |
62 | struct target_ops *core_target; | |
c906108c | 63 | \f |
c5aa993b | 64 | |
c906108c SS |
65 | /* Backward compatability with old way of specifying core files. */ |
66 | ||
67 | void | |
fba45db2 | 68 | core_file_command (char *filename, int from_tty) |
c906108c | 69 | { |
aff410f1 | 70 | dont_repeat (); /* Either way, seems bogus. */ |
c906108c | 71 | |
06b9f45f | 72 | gdb_assert (core_target != NULL); |
46c6cdcf C |
73 | |
74 | if (!filename) | |
c0edd9ed | 75 | (core_target->to_detach) (core_target, filename, from_tty); |
46c6cdcf | 76 | else |
c0edd9ed | 77 | (core_target->to_open) (filename, from_tty); |
c906108c | 78 | } |
c906108c | 79 | \f |
c5aa993b | 80 | |
de6854b5 MS |
81 | /* If there are two or more functions that wish to hook into |
82 | exec_file_command, this function will call all of the hook | |
83 | functions. */ | |
c906108c SS |
84 | |
85 | static void | |
5f08566b | 86 | call_extra_exec_file_hooks (const char *filename) |
c906108c SS |
87 | { |
88 | int i; | |
89 | ||
90 | for (i = 0; i < exec_file_hook_count; i++) | |
c5aa993b | 91 | (*exec_file_extra_hooks[i]) (filename); |
c906108c SS |
92 | } |
93 | ||
94 | /* Call this to specify the hook for exec_file_command to call back. | |
95 | This is called from the x-window display code. */ | |
96 | ||
97 | void | |
5f08566b | 98 | specify_exec_file_hook (void (*hook) (const char *)) |
c906108c SS |
99 | { |
100 | hook_type *new_array; | |
101 | ||
9a4105ab | 102 | if (deprecated_exec_file_display_hook != NULL) |
c906108c SS |
103 | { |
104 | /* There's already a hook installed. Arrange to have both it | |
aff410f1 | 105 | and the subsequent hooks called. */ |
c906108c SS |
106 | if (exec_file_hook_count == 0) |
107 | { | |
aff410f1 MS |
108 | /* If this is the first extra hook, initialize the hook |
109 | array. */ | |
8d749320 | 110 | exec_file_extra_hooks = XNEW (hook_type); |
9a4105ab AC |
111 | exec_file_extra_hooks[0] = deprecated_exec_file_display_hook; |
112 | deprecated_exec_file_display_hook = call_extra_exec_file_hooks; | |
c906108c SS |
113 | exec_file_hook_count = 1; |
114 | } | |
115 | ||
116 | /* Grow the hook array by one and add the new hook to the end. | |
117 | Yes, it's inefficient to grow it by one each time but since | |
118 | this is hardly ever called it's not a big deal. */ | |
119 | exec_file_hook_count++; | |
aff410f1 MS |
120 | new_array = (hook_type *) |
121 | xrealloc (exec_file_extra_hooks, | |
122 | exec_file_hook_count * sizeof (hook_type)); | |
c906108c SS |
123 | exec_file_extra_hooks = new_array; |
124 | exec_file_extra_hooks[exec_file_hook_count - 1] = hook; | |
125 | } | |
126 | else | |
9a4105ab | 127 | deprecated_exec_file_display_hook = hook; |
c906108c SS |
128 | } |
129 | ||
c906108c | 130 | void |
fba45db2 | 131 | reopen_exec_file (void) |
c906108c | 132 | { |
c906108c SS |
133 | int res; |
134 | struct stat st; | |
c906108c | 135 | |
aff410f1 | 136 | /* Don't do anything if there isn't an exec file. */ |
4c42eaff | 137 | if (exec_bfd == NULL) |
c906108c | 138 | return; |
c5aa993b | 139 | |
aff410f1 | 140 | /* If the timestamp of the exec file has changed, reopen it. */ |
0638b7f9 TT |
141 | std::string filename = bfd_get_filename (exec_bfd); |
142 | res = stat (filename.c_str (), &st); | |
c906108c | 143 | |
537d9b85 | 144 | if (res == 0 && exec_bfd_mtime && exec_bfd_mtime != st.st_mtime) |
0638b7f9 | 145 | exec_file_attach (filename.c_str (), 0); |
939643d7 DJ |
146 | else |
147 | /* If we accessed the file since last opening it, close it now; | |
148 | this stops GDB from holding the executable open after it | |
149 | exits. */ | |
150 | bfd_cache_close_all (); | |
c906108c SS |
151 | } |
152 | \f | |
153 | /* If we have both a core file and an exec file, | |
154 | print a warning if they don't go together. */ | |
155 | ||
156 | void | |
fba45db2 | 157 | validate_files (void) |
c906108c SS |
158 | { |
159 | if (exec_bfd && core_bfd) | |
160 | { | |
161 | if (!core_file_matches_executable_p (core_bfd, exec_bfd)) | |
8a3fe4f8 | 162 | warning (_("core file may not match specified executable file.")); |
c5aa993b | 163 | else if (bfd_get_mtime (exec_bfd) > bfd_get_mtime (core_bfd)) |
8a3fe4f8 | 164 | warning (_("exec file is newer than core file.")); |
c906108c SS |
165 | } |
166 | } | |
167 | ||
2090129c | 168 | /* See common/common-inferior.h. */ |
c906108c SS |
169 | |
170 | char * | |
fba45db2 | 171 | get_exec_file (int err) |
c906108c | 172 | { |
1f0c4988 JK |
173 | if (exec_filename) |
174 | return exec_filename; | |
c5aa993b JM |
175 | if (!err) |
176 | return NULL; | |
c906108c | 177 | |
8a3fe4f8 AC |
178 | error (_("No executable file specified.\n\ |
179 | Use the \"file\" or \"exec-file\" command.")); | |
c906108c SS |
180 | return NULL; |
181 | } | |
c906108c | 182 | \f |
c5aa993b | 183 | |
1ccbe998 | 184 | std::string |
9b409511 | 185 | memory_error_message (enum target_xfer_status err, |
578d3588 | 186 | struct gdbarch *gdbarch, CORE_ADDR memaddr) |
6be7b56e PA |
187 | { |
188 | switch (err) | |
189 | { | |
190 | case TARGET_XFER_E_IO: | |
191 | /* Actually, address between memaddr and memaddr + len was out of | |
192 | bounds. */ | |
1ccbe998 TT |
193 | return string_printf (_("Cannot access memory at address %s"), |
194 | paddress (gdbarch, memaddr)); | |
bc113b4e | 195 | case TARGET_XFER_UNAVAILABLE: |
1ccbe998 TT |
196 | return string_printf (_("Memory at address %s unavailable."), |
197 | paddress (gdbarch, memaddr)); | |
6be7b56e PA |
198 | default: |
199 | internal_error (__FILE__, __LINE__, | |
9b409511 YQ |
200 | "unhandled target_xfer_status: %s (%s)", |
201 | target_xfer_status_to_string (err), | |
6be7b56e PA |
202 | plongest (err)); |
203 | } | |
204 | } | |
205 | ||
578d3588 | 206 | /* Report a memory error by throwing a suitable exception. */ |
c906108c SS |
207 | |
208 | void | |
9b409511 | 209 | memory_error (enum target_xfer_status err, CORE_ADDR memaddr) |
c906108c | 210 | { |
8635b3bf | 211 | enum errors exception = GDB_NO_ERROR; |
578d3588 PA |
212 | |
213 | /* Build error string. */ | |
1ccbe998 | 214 | std::string str = memory_error_message (err, target_gdbarch (), memaddr); |
578d3588 PA |
215 | |
216 | /* Choose the right error to throw. */ | |
217 | switch (err) | |
218 | { | |
219 | case TARGET_XFER_E_IO: | |
8635b3bf | 220 | exception = MEMORY_ERROR; |
578d3588 | 221 | break; |
bc113b4e | 222 | case TARGET_XFER_UNAVAILABLE: |
8635b3bf | 223 | exception = NOT_AVAILABLE_ERROR; |
578d3588 PA |
224 | break; |
225 | } | |
226 | ||
227 | /* Throw it. */ | |
1ccbe998 | 228 | throw_error (exception, ("%s"), str.c_str ()); |
c906108c SS |
229 | } |
230 | ||
edf689f0 | 231 | /* Helper function. */ |
4e5d721f | 232 | |
edf689f0 YQ |
233 | static void |
234 | read_memory_object (enum target_object object, CORE_ADDR memaddr, | |
235 | gdb_byte *myaddr, ssize_t len) | |
c906108c | 236 | { |
9b409511 | 237 | ULONGEST xfered = 0; |
c5504eaf | 238 | |
6be7b56e PA |
239 | while (xfered < len) |
240 | { | |
9b409511 YQ |
241 | enum target_xfer_status status; |
242 | ULONGEST xfered_len; | |
6be7b56e | 243 | |
9b409511 | 244 | status = target_xfer_partial (current_target.beneath, |
edf689f0 | 245 | object, NULL, |
9b409511 YQ |
246 | myaddr + xfered, NULL, |
247 | memaddr + xfered, len - xfered, | |
248 | &xfered_len); | |
249 | ||
5c328c05 YQ |
250 | if (status != TARGET_XFER_OK) |
251 | memory_error (status == TARGET_XFER_EOF ? TARGET_XFER_E_IO : status, | |
252 | memaddr + xfered); | |
9b409511 | 253 | |
9b409511 | 254 | xfered += xfered_len; |
6be7b56e PA |
255 | QUIT; |
256 | } | |
c906108c SS |
257 | } |
258 | ||
edf689f0 YQ |
259 | /* Same as target_read_memory, but report an error if can't read. */ |
260 | ||
261 | void | |
262 | read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) | |
263 | { | |
264 | read_memory_object (TARGET_OBJECT_MEMORY, memaddr, myaddr, len); | |
265 | } | |
266 | ||
4e5d721f DE |
267 | /* Same as target_read_stack, but report an error if can't read. */ |
268 | ||
269 | void | |
45aa4659 | 270 | read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) |
4e5d721f | 271 | { |
edf689f0 | 272 | read_memory_object (TARGET_OBJECT_STACK_MEMORY, memaddr, myaddr, len); |
4e5d721f DE |
273 | } |
274 | ||
0865b04a YQ |
275 | /* Same as target_read_code, but report an error if can't read. */ |
276 | ||
277 | void | |
278 | read_code (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) | |
279 | { | |
edf689f0 | 280 | read_memory_object (TARGET_OBJECT_CODE_MEMORY, memaddr, myaddr, len); |
0865b04a YQ |
281 | } |
282 | ||
ee8ff470 KB |
283 | /* Read memory at MEMADDR of length LEN and put the contents in |
284 | RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero | |
285 | if successful. */ | |
286 | ||
16a0f3e7 | 287 | int |
c5504eaf MS |
288 | safe_read_memory_integer (CORE_ADDR memaddr, int len, |
289 | enum bfd_endian byte_order, | |
e17a4113 | 290 | LONGEST *return_value) |
16a0f3e7 | 291 | { |
5e43d467 | 292 | gdb_byte buf[sizeof (LONGEST)]; |
16a0f3e7 | 293 | |
5e43d467 UW |
294 | if (target_read_memory (memaddr, buf, len)) |
295 | return 0; | |
16a0f3e7 | 296 | |
5e43d467 UW |
297 | *return_value = extract_signed_integer (buf, len, byte_order); |
298 | return 1; | |
16a0f3e7 EZ |
299 | } |
300 | ||
cc2c4da8 MK |
301 | /* Read memory at MEMADDR of length LEN and put the contents in |
302 | RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero | |
303 | if successful. */ | |
304 | ||
305 | int | |
306 | safe_read_memory_unsigned_integer (CORE_ADDR memaddr, int len, | |
307 | enum bfd_endian byte_order, | |
308 | ULONGEST *return_value) | |
309 | { | |
310 | gdb_byte buf[sizeof (ULONGEST)]; | |
311 | ||
312 | if (target_read_memory (memaddr, buf, len)) | |
313 | return 0; | |
314 | ||
315 | *return_value = extract_unsigned_integer (buf, len, byte_order); | |
316 | return 1; | |
317 | } | |
318 | ||
c906108c | 319 | LONGEST |
aff410f1 MS |
320 | read_memory_integer (CORE_ADDR memaddr, int len, |
321 | enum bfd_endian byte_order) | |
c906108c | 322 | { |
dfb65433 | 323 | gdb_byte buf[sizeof (LONGEST)]; |
c906108c SS |
324 | |
325 | read_memory (memaddr, buf, len); | |
e17a4113 | 326 | return extract_signed_integer (buf, len, byte_order); |
c906108c SS |
327 | } |
328 | ||
329 | ULONGEST | |
aff410f1 MS |
330 | read_memory_unsigned_integer (CORE_ADDR memaddr, int len, |
331 | enum bfd_endian byte_order) | |
c906108c | 332 | { |
dfb65433 | 333 | gdb_byte buf[sizeof (ULONGEST)]; |
c906108c SS |
334 | |
335 | read_memory (memaddr, buf, len); | |
e17a4113 | 336 | return extract_unsigned_integer (buf, len, byte_order); |
c906108c SS |
337 | } |
338 | ||
0865b04a YQ |
339 | LONGEST |
340 | read_code_integer (CORE_ADDR memaddr, int len, | |
341 | enum bfd_endian byte_order) | |
342 | { | |
343 | gdb_byte buf[sizeof (LONGEST)]; | |
344 | ||
345 | read_code (memaddr, buf, len); | |
346 | return extract_signed_integer (buf, len, byte_order); | |
347 | } | |
348 | ||
349 | ULONGEST | |
350 | read_code_unsigned_integer (CORE_ADDR memaddr, int len, | |
351 | enum bfd_endian byte_order) | |
352 | { | |
353 | gdb_byte buf[sizeof (ULONGEST)]; | |
354 | ||
355 | read_code (memaddr, buf, len); | |
356 | return extract_unsigned_integer (buf, len, byte_order); | |
357 | } | |
358 | ||
c906108c | 359 | void |
fba45db2 | 360 | read_memory_string (CORE_ADDR memaddr, char *buffer, int max_len) |
c906108c | 361 | { |
52f0bd74 AC |
362 | char *cp; |
363 | int i; | |
c906108c SS |
364 | int cnt; |
365 | ||
366 | cp = buffer; | |
367 | while (1) | |
368 | { | |
369 | if (cp - buffer >= max_len) | |
c5aa993b JM |
370 | { |
371 | buffer[max_len - 1] = '\0'; | |
372 | break; | |
373 | } | |
c906108c SS |
374 | cnt = max_len - (cp - buffer); |
375 | if (cnt > 8) | |
376 | cnt = 8; | |
c8af03a2 | 377 | read_memory (memaddr + (int) (cp - buffer), (gdb_byte *) cp, cnt); |
c906108c | 378 | for (i = 0; i < cnt && *cp; i++, cp++) |
c5aa993b | 379 | ; /* null body */ |
c906108c SS |
380 | |
381 | if (i < cnt && !*cp) | |
c5aa993b | 382 | break; |
c906108c SS |
383 | } |
384 | } | |
c26e4683 | 385 | |
0d540cdf KD |
386 | CORE_ADDR |
387 | read_memory_typed_address (CORE_ADDR addr, struct type *type) | |
388 | { | |
224c3ddb | 389 | gdb_byte *buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
c5504eaf | 390 | |
0d540cdf KD |
391 | read_memory (addr, buf, TYPE_LENGTH (type)); |
392 | return extract_typed_address (buf, type); | |
393 | } | |
394 | ||
cb6f16cf SM |
395 | /* See gdbcore.h. */ |
396 | ||
c26e4683 | 397 | void |
aff410f1 | 398 | write_memory (CORE_ADDR memaddr, |
45aa4659 | 399 | const bfd_byte *myaddr, ssize_t len) |
c26e4683 JB |
400 | { |
401 | int status; | |
c5504eaf | 402 | |
00630ca8 | 403 | status = target_write_memory (memaddr, myaddr, len); |
c26e4683 | 404 | if (status != 0) |
d09f2c3f | 405 | memory_error (TARGET_XFER_E_IO, memaddr); |
c26e4683 JB |
406 | } |
407 | ||
972daa01 YQ |
408 | /* Same as write_memory, but notify 'memory_changed' observers. */ |
409 | ||
410 | void | |
411 | write_memory_with_notification (CORE_ADDR memaddr, const bfd_byte *myaddr, | |
412 | ssize_t len) | |
413 | { | |
414 | write_memory (memaddr, myaddr, len); | |
8de0566d | 415 | observer_notify_memory_changed (current_inferior (), memaddr, len, myaddr); |
972daa01 YQ |
416 | } |
417 | ||
aff410f1 MS |
418 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned |
419 | integer. */ | |
c26e4683 | 420 | void |
c5504eaf MS |
421 | write_memory_unsigned_integer (CORE_ADDR addr, int len, |
422 | enum bfd_endian byte_order, | |
e17a4113 | 423 | ULONGEST value) |
c26e4683 | 424 | { |
224c3ddb | 425 | gdb_byte *buf = (gdb_byte *) alloca (len); |
c5504eaf | 426 | |
e17a4113 | 427 | store_unsigned_integer (buf, len, byte_order, value); |
c26e4683 JB |
428 | write_memory (addr, buf, len); |
429 | } | |
430 | ||
aff410f1 MS |
431 | /* Store VALUE at ADDR in the inferior as a LEN-byte signed |
432 | integer. */ | |
c26e4683 | 433 | void |
c5504eaf MS |
434 | write_memory_signed_integer (CORE_ADDR addr, int len, |
435 | enum bfd_endian byte_order, | |
e17a4113 | 436 | LONGEST value) |
c26e4683 | 437 | { |
224c3ddb | 438 | gdb_byte *buf = (gdb_byte *) alloca (len); |
c5504eaf | 439 | |
e17a4113 | 440 | store_signed_integer (buf, len, byte_order, value); |
c26e4683 JB |
441 | write_memory (addr, buf, len); |
442 | } | |
c906108c SS |
443 | \f |
444 | /* The current default bfd target. Points to storage allocated for | |
445 | gnutarget_string. */ | |
446 | char *gnutarget; | |
447 | ||
448 | /* Same thing, except it is "auto" not NULL for the default case. */ | |
449 | static char *gnutarget_string; | |
920d2a44 AC |
450 | static void |
451 | show_gnutarget_string (struct ui_file *file, int from_tty, | |
aff410f1 MS |
452 | struct cmd_list_element *c, |
453 | const char *value) | |
920d2a44 | 454 | { |
aff410f1 MS |
455 | fprintf_filtered (file, |
456 | _("The current BFD target is \"%s\".\n"), value); | |
920d2a44 | 457 | } |
c906108c | 458 | |
aff410f1 MS |
459 | static void set_gnutarget_command (char *, int, |
460 | struct cmd_list_element *); | |
c906108c SS |
461 | |
462 | static void | |
aff410f1 MS |
463 | set_gnutarget_command (char *ignore, int from_tty, |
464 | struct cmd_list_element *c) | |
c906108c | 465 | { |
44478ab3 TT |
466 | char *gend = gnutarget_string + strlen (gnutarget_string); |
467 | ||
468 | gend = remove_trailing_whitespace (gnutarget_string, gend); | |
469 | *gend = '\0'; | |
470 | ||
bde58177 | 471 | if (strcmp (gnutarget_string, "auto") == 0) |
c906108c SS |
472 | gnutarget = NULL; |
473 | else | |
474 | gnutarget = gnutarget_string; | |
475 | } | |
476 | ||
44478ab3 TT |
477 | /* A completion function for "set gnutarget". */ |
478 | ||
eb3ff9a5 | 479 | static void |
6f937416 | 480 | complete_set_gnutarget (struct cmd_list_element *cmd, |
eb3ff9a5 | 481 | completion_tracker &tracker, |
6f937416 | 482 | const char *text, const char *word) |
44478ab3 TT |
483 | { |
484 | static const char **bfd_targets; | |
485 | ||
486 | if (bfd_targets == NULL) | |
487 | { | |
488 | int last; | |
489 | ||
490 | bfd_targets = bfd_target_list (); | |
491 | for (last = 0; bfd_targets[last] != NULL; ++last) | |
492 | ; | |
493 | ||
224c3ddb | 494 | bfd_targets = XRESIZEVEC (const char *, bfd_targets, last + 2); |
44478ab3 TT |
495 | bfd_targets[last] = "auto"; |
496 | bfd_targets[last + 1] = NULL; | |
497 | } | |
498 | ||
eb3ff9a5 | 499 | complete_on_enum (tracker, bfd_targets, text, word); |
44478ab3 TT |
500 | } |
501 | ||
c906108c SS |
502 | /* Set the gnutarget. */ |
503 | void | |
a121b7c1 | 504 | set_gnutarget (const char *newtarget) |
c906108c SS |
505 | { |
506 | if (gnutarget_string != NULL) | |
b8c9b27d | 507 | xfree (gnutarget_string); |
1b36a34b | 508 | gnutarget_string = xstrdup (newtarget); |
c906108c SS |
509 | set_gnutarget_command (NULL, 0, NULL); |
510 | } | |
511 | ||
512 | void | |
fba45db2 | 513 | _initialize_core (void) |
c906108c SS |
514 | { |
515 | struct cmd_list_element *c; | |
c5504eaf | 516 | |
1a966eab AC |
517 | c = add_cmd ("core-file", class_files, core_file_command, _("\ |
518 | Use FILE as core dump for examining memory and registers.\n\ | |
c906108c | 519 | No arg means have no core file. This command has been superseded by the\n\ |
1a966eab | 520 | `target core' and `detach' commands."), &cmdlist); |
5ba2abeb | 521 | set_cmd_completer (c, filename_completer); |
c906108c | 522 | |
26c41df3 | 523 | |
44478ab3 TT |
524 | c = add_setshow_string_noescape_cmd ("gnutarget", class_files, |
525 | &gnutarget_string, _("\ | |
26c41df3 AC |
526 | Set the current BFD target."), _("\ |
527 | Show the current BFD target."), _("\ | |
528 | Use `set gnutarget auto' to specify automatic detection."), | |
44478ab3 TT |
529 | set_gnutarget_command, |
530 | show_gnutarget_string, | |
531 | &setlist, &showlist); | |
532 | set_cmd_completer (c, complete_set_gnutarget); | |
533 | ||
7e20dfcd | 534 | add_alias_cmd ("g", "gnutarget", class_files, 1, &setlist); |
c906108c SS |
535 | |
536 | if (getenv ("GNUTARGET")) | |
537 | set_gnutarget (getenv ("GNUTARGET")); | |
538 | else | |
539 | set_gnutarget ("auto"); | |
540 | } |