Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Core dump and executable file functions above target vector, for GDB. |
1bac305b | 2 | |
e2882c85 | 3 | Copyright (C) 1986-2018 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" |
76727919 | 33 | #include "observable.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 | |
c906108c | 56 | \f |
c5aa993b | 57 | |
c906108c SS |
58 | /* Backward compatability with old way of specifying core files. */ |
59 | ||
60 | void | |
d64097b1 | 61 | core_file_command (const char *filename, int from_tty) |
c906108c | 62 | { |
aff410f1 | 63 | dont_repeat (); /* Either way, seems bogus. */ |
c906108c | 64 | |
46c6cdcf | 65 | if (!filename) |
d9f719f1 PA |
66 | { |
67 | gdb_assert (the_core_target != NULL); | |
68 | ||
69 | the_core_target->detach (current_inferior (), from_tty); | |
70 | } | |
46c6cdcf | 71 | else |
d9f719f1 | 72 | core_target_open (filename, from_tty); |
c906108c | 73 | } |
c906108c | 74 | \f |
c5aa993b | 75 | |
de6854b5 MS |
76 | /* If there are two or more functions that wish to hook into |
77 | exec_file_command, this function will call all of the hook | |
78 | functions. */ | |
c906108c SS |
79 | |
80 | static void | |
5f08566b | 81 | call_extra_exec_file_hooks (const char *filename) |
c906108c SS |
82 | { |
83 | int i; | |
84 | ||
85 | for (i = 0; i < exec_file_hook_count; i++) | |
c5aa993b | 86 | (*exec_file_extra_hooks[i]) (filename); |
c906108c SS |
87 | } |
88 | ||
89 | /* Call this to specify the hook for exec_file_command to call back. | |
90 | This is called from the x-window display code. */ | |
91 | ||
92 | void | |
5f08566b | 93 | specify_exec_file_hook (void (*hook) (const char *)) |
c906108c SS |
94 | { |
95 | hook_type *new_array; | |
96 | ||
9a4105ab | 97 | if (deprecated_exec_file_display_hook != NULL) |
c906108c SS |
98 | { |
99 | /* There's already a hook installed. Arrange to have both it | |
aff410f1 | 100 | and the subsequent hooks called. */ |
c906108c SS |
101 | if (exec_file_hook_count == 0) |
102 | { | |
aff410f1 MS |
103 | /* If this is the first extra hook, initialize the hook |
104 | array. */ | |
8d749320 | 105 | exec_file_extra_hooks = XNEW (hook_type); |
9a4105ab AC |
106 | exec_file_extra_hooks[0] = deprecated_exec_file_display_hook; |
107 | deprecated_exec_file_display_hook = call_extra_exec_file_hooks; | |
c906108c SS |
108 | exec_file_hook_count = 1; |
109 | } | |
110 | ||
111 | /* Grow the hook array by one and add the new hook to the end. | |
112 | Yes, it's inefficient to grow it by one each time but since | |
113 | this is hardly ever called it's not a big deal. */ | |
114 | exec_file_hook_count++; | |
aff410f1 MS |
115 | new_array = (hook_type *) |
116 | xrealloc (exec_file_extra_hooks, | |
117 | exec_file_hook_count * sizeof (hook_type)); | |
c906108c SS |
118 | exec_file_extra_hooks = new_array; |
119 | exec_file_extra_hooks[exec_file_hook_count - 1] = hook; | |
120 | } | |
121 | else | |
9a4105ab | 122 | deprecated_exec_file_display_hook = hook; |
c906108c SS |
123 | } |
124 | ||
c906108c | 125 | void |
fba45db2 | 126 | reopen_exec_file (void) |
c906108c | 127 | { |
c906108c SS |
128 | int res; |
129 | struct stat st; | |
c906108c | 130 | |
aff410f1 | 131 | /* Don't do anything if there isn't an exec file. */ |
4c42eaff | 132 | if (exec_bfd == NULL) |
c906108c | 133 | return; |
c5aa993b | 134 | |
aff410f1 | 135 | /* If the timestamp of the exec file has changed, reopen it. */ |
0638b7f9 TT |
136 | std::string filename = bfd_get_filename (exec_bfd); |
137 | res = stat (filename.c_str (), &st); | |
c906108c | 138 | |
537d9b85 | 139 | if (res == 0 && exec_bfd_mtime && exec_bfd_mtime != st.st_mtime) |
0638b7f9 | 140 | exec_file_attach (filename.c_str (), 0); |
939643d7 DJ |
141 | else |
142 | /* If we accessed the file since last opening it, close it now; | |
143 | this stops GDB from holding the executable open after it | |
144 | exits. */ | |
145 | bfd_cache_close_all (); | |
c906108c SS |
146 | } |
147 | \f | |
148 | /* If we have both a core file and an exec file, | |
149 | print a warning if they don't go together. */ | |
150 | ||
151 | void | |
fba45db2 | 152 | validate_files (void) |
c906108c SS |
153 | { |
154 | if (exec_bfd && core_bfd) | |
155 | { | |
156 | if (!core_file_matches_executable_p (core_bfd, exec_bfd)) | |
8a3fe4f8 | 157 | warning (_("core file may not match specified executable file.")); |
c5aa993b | 158 | else if (bfd_get_mtime (exec_bfd) > bfd_get_mtime (core_bfd)) |
8a3fe4f8 | 159 | warning (_("exec file is newer than core file.")); |
c906108c SS |
160 | } |
161 | } | |
162 | ||
2090129c | 163 | /* See common/common-inferior.h. */ |
c906108c SS |
164 | |
165 | char * | |
fba45db2 | 166 | get_exec_file (int err) |
c906108c | 167 | { |
1f0c4988 JK |
168 | if (exec_filename) |
169 | return exec_filename; | |
c5aa993b JM |
170 | if (!err) |
171 | return NULL; | |
c906108c | 172 | |
8a3fe4f8 AC |
173 | error (_("No executable file specified.\n\ |
174 | Use the \"file\" or \"exec-file\" command.")); | |
c906108c SS |
175 | return NULL; |
176 | } | |
c906108c | 177 | \f |
c5aa993b | 178 | |
1ccbe998 | 179 | std::string |
9b409511 | 180 | memory_error_message (enum target_xfer_status err, |
578d3588 | 181 | struct gdbarch *gdbarch, CORE_ADDR memaddr) |
6be7b56e PA |
182 | { |
183 | switch (err) | |
184 | { | |
185 | case TARGET_XFER_E_IO: | |
186 | /* Actually, address between memaddr and memaddr + len was out of | |
187 | bounds. */ | |
1ccbe998 TT |
188 | return string_printf (_("Cannot access memory at address %s"), |
189 | paddress (gdbarch, memaddr)); | |
bc113b4e | 190 | case TARGET_XFER_UNAVAILABLE: |
1ccbe998 TT |
191 | return string_printf (_("Memory at address %s unavailable."), |
192 | paddress (gdbarch, memaddr)); | |
6be7b56e PA |
193 | default: |
194 | internal_error (__FILE__, __LINE__, | |
9b409511 YQ |
195 | "unhandled target_xfer_status: %s (%s)", |
196 | target_xfer_status_to_string (err), | |
6be7b56e PA |
197 | plongest (err)); |
198 | } | |
199 | } | |
200 | ||
578d3588 | 201 | /* Report a memory error by throwing a suitable exception. */ |
c906108c SS |
202 | |
203 | void | |
9b409511 | 204 | memory_error (enum target_xfer_status err, CORE_ADDR memaddr) |
c906108c | 205 | { |
8635b3bf | 206 | enum errors exception = GDB_NO_ERROR; |
578d3588 PA |
207 | |
208 | /* Build error string. */ | |
1ccbe998 | 209 | std::string str = memory_error_message (err, target_gdbarch (), memaddr); |
578d3588 PA |
210 | |
211 | /* Choose the right error to throw. */ | |
212 | switch (err) | |
213 | { | |
214 | case TARGET_XFER_E_IO: | |
8635b3bf | 215 | exception = MEMORY_ERROR; |
578d3588 | 216 | break; |
bc113b4e | 217 | case TARGET_XFER_UNAVAILABLE: |
8635b3bf | 218 | exception = NOT_AVAILABLE_ERROR; |
578d3588 PA |
219 | break; |
220 | } | |
221 | ||
222 | /* Throw it. */ | |
1ccbe998 | 223 | throw_error (exception, ("%s"), str.c_str ()); |
c906108c SS |
224 | } |
225 | ||
edf689f0 | 226 | /* Helper function. */ |
4e5d721f | 227 | |
edf689f0 YQ |
228 | static void |
229 | read_memory_object (enum target_object object, CORE_ADDR memaddr, | |
230 | gdb_byte *myaddr, ssize_t len) | |
c906108c | 231 | { |
9b409511 | 232 | ULONGEST xfered = 0; |
c5504eaf | 233 | |
6be7b56e PA |
234 | while (xfered < len) |
235 | { | |
9b409511 YQ |
236 | enum target_xfer_status status; |
237 | ULONGEST xfered_len; | |
6be7b56e | 238 | |
f6ac5f3d | 239 | status = target_xfer_partial (target_stack, object, NULL, |
9b409511 YQ |
240 | myaddr + xfered, NULL, |
241 | memaddr + xfered, len - xfered, | |
242 | &xfered_len); | |
243 | ||
5c328c05 YQ |
244 | if (status != TARGET_XFER_OK) |
245 | memory_error (status == TARGET_XFER_EOF ? TARGET_XFER_E_IO : status, | |
246 | memaddr + xfered); | |
9b409511 | 247 | |
9b409511 | 248 | xfered += xfered_len; |
6be7b56e PA |
249 | QUIT; |
250 | } | |
c906108c SS |
251 | } |
252 | ||
edf689f0 YQ |
253 | /* Same as target_read_memory, but report an error if can't read. */ |
254 | ||
255 | void | |
256 | read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) | |
257 | { | |
258 | read_memory_object (TARGET_OBJECT_MEMORY, memaddr, myaddr, len); | |
259 | } | |
260 | ||
4e5d721f DE |
261 | /* Same as target_read_stack, but report an error if can't read. */ |
262 | ||
263 | void | |
45aa4659 | 264 | read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) |
4e5d721f | 265 | { |
edf689f0 | 266 | read_memory_object (TARGET_OBJECT_STACK_MEMORY, memaddr, myaddr, len); |
4e5d721f DE |
267 | } |
268 | ||
0865b04a YQ |
269 | /* Same as target_read_code, but report an error if can't read. */ |
270 | ||
271 | void | |
272 | read_code (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) | |
273 | { | |
edf689f0 | 274 | read_memory_object (TARGET_OBJECT_CODE_MEMORY, memaddr, myaddr, len); |
0865b04a YQ |
275 | } |
276 | ||
ee8ff470 KB |
277 | /* Read memory at MEMADDR of length LEN and put the contents in |
278 | RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero | |
279 | if successful. */ | |
280 | ||
16a0f3e7 | 281 | int |
c5504eaf MS |
282 | safe_read_memory_integer (CORE_ADDR memaddr, int len, |
283 | enum bfd_endian byte_order, | |
e17a4113 | 284 | LONGEST *return_value) |
16a0f3e7 | 285 | { |
5e43d467 | 286 | gdb_byte buf[sizeof (LONGEST)]; |
16a0f3e7 | 287 | |
5e43d467 UW |
288 | if (target_read_memory (memaddr, buf, len)) |
289 | return 0; | |
16a0f3e7 | 290 | |
5e43d467 UW |
291 | *return_value = extract_signed_integer (buf, len, byte_order); |
292 | return 1; | |
16a0f3e7 EZ |
293 | } |
294 | ||
cc2c4da8 MK |
295 | /* Read memory at MEMADDR of length LEN and put the contents in |
296 | RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero | |
297 | if successful. */ | |
298 | ||
299 | int | |
300 | safe_read_memory_unsigned_integer (CORE_ADDR memaddr, int len, | |
301 | enum bfd_endian byte_order, | |
302 | ULONGEST *return_value) | |
303 | { | |
304 | gdb_byte buf[sizeof (ULONGEST)]; | |
305 | ||
306 | if (target_read_memory (memaddr, buf, len)) | |
307 | return 0; | |
308 | ||
309 | *return_value = extract_unsigned_integer (buf, len, byte_order); | |
310 | return 1; | |
311 | } | |
312 | ||
c906108c | 313 | LONGEST |
aff410f1 MS |
314 | read_memory_integer (CORE_ADDR memaddr, int len, |
315 | enum bfd_endian byte_order) | |
c906108c | 316 | { |
dfb65433 | 317 | gdb_byte buf[sizeof (LONGEST)]; |
c906108c SS |
318 | |
319 | read_memory (memaddr, buf, len); | |
e17a4113 | 320 | return extract_signed_integer (buf, len, byte_order); |
c906108c SS |
321 | } |
322 | ||
323 | ULONGEST | |
aff410f1 MS |
324 | read_memory_unsigned_integer (CORE_ADDR memaddr, int len, |
325 | enum bfd_endian byte_order) | |
c906108c | 326 | { |
dfb65433 | 327 | gdb_byte buf[sizeof (ULONGEST)]; |
c906108c SS |
328 | |
329 | read_memory (memaddr, buf, len); | |
e17a4113 | 330 | return extract_unsigned_integer (buf, len, byte_order); |
c906108c SS |
331 | } |
332 | ||
0865b04a YQ |
333 | LONGEST |
334 | read_code_integer (CORE_ADDR memaddr, int len, | |
335 | enum bfd_endian byte_order) | |
336 | { | |
337 | gdb_byte buf[sizeof (LONGEST)]; | |
338 | ||
339 | read_code (memaddr, buf, len); | |
340 | return extract_signed_integer (buf, len, byte_order); | |
341 | } | |
342 | ||
343 | ULONGEST | |
344 | read_code_unsigned_integer (CORE_ADDR memaddr, int len, | |
345 | enum bfd_endian byte_order) | |
346 | { | |
347 | gdb_byte buf[sizeof (ULONGEST)]; | |
348 | ||
349 | read_code (memaddr, buf, len); | |
350 | return extract_unsigned_integer (buf, len, byte_order); | |
351 | } | |
352 | ||
c906108c | 353 | void |
fba45db2 | 354 | read_memory_string (CORE_ADDR memaddr, char *buffer, int max_len) |
c906108c | 355 | { |
52f0bd74 AC |
356 | char *cp; |
357 | int i; | |
c906108c SS |
358 | int cnt; |
359 | ||
360 | cp = buffer; | |
361 | while (1) | |
362 | { | |
363 | if (cp - buffer >= max_len) | |
c5aa993b JM |
364 | { |
365 | buffer[max_len - 1] = '\0'; | |
366 | break; | |
367 | } | |
c906108c SS |
368 | cnt = max_len - (cp - buffer); |
369 | if (cnt > 8) | |
370 | cnt = 8; | |
c8af03a2 | 371 | read_memory (memaddr + (int) (cp - buffer), (gdb_byte *) cp, cnt); |
c906108c | 372 | for (i = 0; i < cnt && *cp; i++, cp++) |
c5aa993b | 373 | ; /* null body */ |
c906108c SS |
374 | |
375 | if (i < cnt && !*cp) | |
c5aa993b | 376 | break; |
c906108c SS |
377 | } |
378 | } | |
c26e4683 | 379 | |
0d540cdf KD |
380 | CORE_ADDR |
381 | read_memory_typed_address (CORE_ADDR addr, struct type *type) | |
382 | { | |
224c3ddb | 383 | gdb_byte *buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
c5504eaf | 384 | |
0d540cdf KD |
385 | read_memory (addr, buf, TYPE_LENGTH (type)); |
386 | return extract_typed_address (buf, type); | |
387 | } | |
388 | ||
cb6f16cf SM |
389 | /* See gdbcore.h. */ |
390 | ||
c26e4683 | 391 | void |
aff410f1 | 392 | write_memory (CORE_ADDR memaddr, |
45aa4659 | 393 | const bfd_byte *myaddr, ssize_t len) |
c26e4683 JB |
394 | { |
395 | int status; | |
c5504eaf | 396 | |
00630ca8 | 397 | status = target_write_memory (memaddr, myaddr, len); |
c26e4683 | 398 | if (status != 0) |
d09f2c3f | 399 | memory_error (TARGET_XFER_E_IO, memaddr); |
c26e4683 JB |
400 | } |
401 | ||
972daa01 YQ |
402 | /* Same as write_memory, but notify 'memory_changed' observers. */ |
403 | ||
404 | void | |
405 | write_memory_with_notification (CORE_ADDR memaddr, const bfd_byte *myaddr, | |
406 | ssize_t len) | |
407 | { | |
408 | write_memory (memaddr, myaddr, len); | |
76727919 | 409 | gdb::observers::memory_changed.notify (current_inferior (), memaddr, len, myaddr); |
972daa01 YQ |
410 | } |
411 | ||
aff410f1 MS |
412 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned |
413 | integer. */ | |
c26e4683 | 414 | void |
c5504eaf MS |
415 | write_memory_unsigned_integer (CORE_ADDR addr, int len, |
416 | enum bfd_endian byte_order, | |
e17a4113 | 417 | ULONGEST value) |
c26e4683 | 418 | { |
224c3ddb | 419 | gdb_byte *buf = (gdb_byte *) alloca (len); |
c5504eaf | 420 | |
e17a4113 | 421 | store_unsigned_integer (buf, len, byte_order, value); |
c26e4683 JB |
422 | write_memory (addr, buf, len); |
423 | } | |
424 | ||
aff410f1 MS |
425 | /* Store VALUE at ADDR in the inferior as a LEN-byte signed |
426 | integer. */ | |
c26e4683 | 427 | void |
c5504eaf MS |
428 | write_memory_signed_integer (CORE_ADDR addr, int len, |
429 | enum bfd_endian byte_order, | |
e17a4113 | 430 | LONGEST value) |
c26e4683 | 431 | { |
224c3ddb | 432 | gdb_byte *buf = (gdb_byte *) alloca (len); |
c5504eaf | 433 | |
e17a4113 | 434 | store_signed_integer (buf, len, byte_order, value); |
c26e4683 JB |
435 | write_memory (addr, buf, len); |
436 | } | |
c906108c SS |
437 | \f |
438 | /* The current default bfd target. Points to storage allocated for | |
439 | gnutarget_string. */ | |
440 | char *gnutarget; | |
441 | ||
442 | /* Same thing, except it is "auto" not NULL for the default case. */ | |
443 | static char *gnutarget_string; | |
920d2a44 AC |
444 | static void |
445 | show_gnutarget_string (struct ui_file *file, int from_tty, | |
aff410f1 MS |
446 | struct cmd_list_element *c, |
447 | const char *value) | |
920d2a44 | 448 | { |
aff410f1 MS |
449 | fprintf_filtered (file, |
450 | _("The current BFD target is \"%s\".\n"), value); | |
920d2a44 | 451 | } |
c906108c | 452 | |
c906108c | 453 | static void |
eb4c3f4a | 454 | set_gnutarget_command (const char *ignore, int from_tty, |
aff410f1 | 455 | struct cmd_list_element *c) |
c906108c | 456 | { |
44478ab3 TT |
457 | char *gend = gnutarget_string + strlen (gnutarget_string); |
458 | ||
459 | gend = remove_trailing_whitespace (gnutarget_string, gend); | |
460 | *gend = '\0'; | |
461 | ||
bde58177 | 462 | if (strcmp (gnutarget_string, "auto") == 0) |
c906108c SS |
463 | gnutarget = NULL; |
464 | else | |
465 | gnutarget = gnutarget_string; | |
466 | } | |
467 | ||
44478ab3 TT |
468 | /* A completion function for "set gnutarget". */ |
469 | ||
eb3ff9a5 | 470 | static void |
6f937416 | 471 | complete_set_gnutarget (struct cmd_list_element *cmd, |
eb3ff9a5 | 472 | completion_tracker &tracker, |
6f937416 | 473 | const char *text, const char *word) |
44478ab3 TT |
474 | { |
475 | static const char **bfd_targets; | |
476 | ||
477 | if (bfd_targets == NULL) | |
478 | { | |
479 | int last; | |
480 | ||
481 | bfd_targets = bfd_target_list (); | |
482 | for (last = 0; bfd_targets[last] != NULL; ++last) | |
483 | ; | |
484 | ||
224c3ddb | 485 | bfd_targets = XRESIZEVEC (const char *, bfd_targets, last + 2); |
44478ab3 TT |
486 | bfd_targets[last] = "auto"; |
487 | bfd_targets[last + 1] = NULL; | |
488 | } | |
489 | ||
eb3ff9a5 | 490 | complete_on_enum (tracker, bfd_targets, text, word); |
44478ab3 TT |
491 | } |
492 | ||
c906108c SS |
493 | /* Set the gnutarget. */ |
494 | void | |
a121b7c1 | 495 | set_gnutarget (const char *newtarget) |
c906108c SS |
496 | { |
497 | if (gnutarget_string != NULL) | |
b8c9b27d | 498 | xfree (gnutarget_string); |
1b36a34b | 499 | gnutarget_string = xstrdup (newtarget); |
c906108c SS |
500 | set_gnutarget_command (NULL, 0, NULL); |
501 | } | |
502 | ||
503 | void | |
fba45db2 | 504 | _initialize_core (void) |
c906108c SS |
505 | { |
506 | struct cmd_list_element *c; | |
c5504eaf | 507 | |
1a966eab AC |
508 | c = add_cmd ("core-file", class_files, core_file_command, _("\ |
509 | Use FILE as core dump for examining memory and registers.\n\ | |
c906108c | 510 | No arg means have no core file. This command has been superseded by the\n\ |
1a966eab | 511 | `target core' and `detach' commands."), &cmdlist); |
5ba2abeb | 512 | set_cmd_completer (c, filename_completer); |
c906108c | 513 | |
26c41df3 | 514 | |
44478ab3 TT |
515 | c = add_setshow_string_noescape_cmd ("gnutarget", class_files, |
516 | &gnutarget_string, _("\ | |
26c41df3 AC |
517 | Set the current BFD target."), _("\ |
518 | Show the current BFD target."), _("\ | |
519 | Use `set gnutarget auto' to specify automatic detection."), | |
44478ab3 TT |
520 | set_gnutarget_command, |
521 | show_gnutarget_string, | |
522 | &setlist, &showlist); | |
523 | set_cmd_completer (c, complete_set_gnutarget); | |
524 | ||
7e20dfcd | 525 | add_alias_cmd ("g", "gnutarget", class_files, 1, &setlist); |
c906108c SS |
526 | |
527 | if (getenv ("GNUTARGET")) | |
528 | set_gnutarget (getenv ("GNUTARGET")); | |
529 | else | |
530 | set_gnutarget ("auto"); | |
531 | } |