Commit | Line | Data |
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c906108c | 1 | /* Core dump and executable file functions above target vector, for GDB. |
1bac305b | 2 | |
32d0add0 | 3 | Copyright (C) 1986-2015 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" | |
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. */ | |
110 | exec_file_extra_hooks = (hook_type *) | |
111 | xmalloc (sizeof (hook_type)); | |
9a4105ab AC |
112 | exec_file_extra_hooks[0] = deprecated_exec_file_display_hook; |
113 | deprecated_exec_file_display_hook = call_extra_exec_file_hooks; | |
c906108c SS |
114 | exec_file_hook_count = 1; |
115 | } | |
116 | ||
117 | /* Grow the hook array by one and add the new hook to the end. | |
118 | Yes, it's inefficient to grow it by one each time but since | |
119 | this is hardly ever called it's not a big deal. */ | |
120 | exec_file_hook_count++; | |
aff410f1 MS |
121 | new_array = (hook_type *) |
122 | xrealloc (exec_file_extra_hooks, | |
123 | exec_file_hook_count * sizeof (hook_type)); | |
c906108c SS |
124 | exec_file_extra_hooks = new_array; |
125 | exec_file_extra_hooks[exec_file_hook_count - 1] = hook; | |
126 | } | |
127 | else | |
9a4105ab | 128 | deprecated_exec_file_display_hook = hook; |
c906108c SS |
129 | } |
130 | ||
c906108c | 131 | void |
fba45db2 | 132 | reopen_exec_file (void) |
c906108c | 133 | { |
c906108c SS |
134 | char *filename; |
135 | int res; | |
136 | struct stat st; | |
f7545552 | 137 | struct cleanup *cleanups; |
c906108c | 138 | |
aff410f1 | 139 | /* Don't do anything if there isn't an exec file. */ |
4c42eaff | 140 | if (exec_bfd == NULL) |
c906108c | 141 | return; |
c5aa993b | 142 | |
aff410f1 | 143 | /* If the timestamp of the exec file has changed, reopen it. */ |
c2d11a7d | 144 | filename = xstrdup (bfd_get_filename (exec_bfd)); |
f7545552 | 145 | cleanups = make_cleanup (xfree, filename); |
c906108c SS |
146 | res = stat (filename, &st); |
147 | ||
c04ea773 | 148 | if (exec_bfd_mtime && exec_bfd_mtime != st.st_mtime) |
4c42eaff | 149 | exec_file_attach (filename, 0); |
939643d7 DJ |
150 | else |
151 | /* If we accessed the file since last opening it, close it now; | |
152 | this stops GDB from holding the executable open after it | |
153 | exits. */ | |
154 | bfd_cache_close_all (); | |
f7545552 TT |
155 | |
156 | do_cleanups (cleanups); | |
c906108c SS |
157 | } |
158 | \f | |
159 | /* If we have both a core file and an exec file, | |
160 | print a warning if they don't go together. */ | |
161 | ||
162 | void | |
fba45db2 | 163 | validate_files (void) |
c906108c SS |
164 | { |
165 | if (exec_bfd && core_bfd) | |
166 | { | |
167 | if (!core_file_matches_executable_p (core_bfd, exec_bfd)) | |
8a3fe4f8 | 168 | warning (_("core file may not match specified executable file.")); |
c5aa993b | 169 | else if (bfd_get_mtime (exec_bfd) > bfd_get_mtime (core_bfd)) |
8a3fe4f8 | 170 | warning (_("exec file is newer than core file.")); |
c906108c SS |
171 | } |
172 | } | |
173 | ||
174 | /* Return the name of the executable file as a string. | |
175 | ERR nonzero means get error if there is none specified; | |
176 | otherwise return 0 in that case. */ | |
177 | ||
178 | char * | |
fba45db2 | 179 | get_exec_file (int err) |
c906108c | 180 | { |
1f0c4988 JK |
181 | if (exec_filename) |
182 | return exec_filename; | |
c5aa993b JM |
183 | if (!err) |
184 | return NULL; | |
c906108c | 185 | |
8a3fe4f8 AC |
186 | error (_("No executable file specified.\n\ |
187 | Use the \"file\" or \"exec-file\" command.")); | |
c906108c SS |
188 | return NULL; |
189 | } | |
c906108c | 190 | \f |
c5aa993b | 191 | |
578d3588 | 192 | char * |
9b409511 | 193 | memory_error_message (enum target_xfer_status err, |
578d3588 | 194 | struct gdbarch *gdbarch, CORE_ADDR memaddr) |
6be7b56e PA |
195 | { |
196 | switch (err) | |
197 | { | |
198 | case TARGET_XFER_E_IO: | |
199 | /* Actually, address between memaddr and memaddr + len was out of | |
200 | bounds. */ | |
578d3588 PA |
201 | return xstrprintf (_("Cannot access memory at address %s"), |
202 | paddress (gdbarch, memaddr)); | |
bc113b4e | 203 | case TARGET_XFER_UNAVAILABLE: |
578d3588 PA |
204 | return xstrprintf (_("Memory at address %s unavailable."), |
205 | paddress (gdbarch, memaddr)); | |
6be7b56e PA |
206 | default: |
207 | internal_error (__FILE__, __LINE__, | |
9b409511 YQ |
208 | "unhandled target_xfer_status: %s (%s)", |
209 | target_xfer_status_to_string (err), | |
6be7b56e PA |
210 | plongest (err)); |
211 | } | |
212 | } | |
213 | ||
578d3588 | 214 | /* Report a memory error by throwing a suitable exception. */ |
c906108c SS |
215 | |
216 | void | |
9b409511 | 217 | memory_error (enum target_xfer_status err, CORE_ADDR memaddr) |
c906108c | 218 | { |
578d3588 | 219 | char *str; |
8635b3bf | 220 | enum errors exception = GDB_NO_ERROR; |
578d3588 PA |
221 | |
222 | /* Build error string. */ | |
223 | str = memory_error_message (err, target_gdbarch (), memaddr); | |
224 | make_cleanup (xfree, str); | |
225 | ||
226 | /* Choose the right error to throw. */ | |
227 | switch (err) | |
228 | { | |
229 | case TARGET_XFER_E_IO: | |
8635b3bf | 230 | exception = MEMORY_ERROR; |
578d3588 | 231 | break; |
bc113b4e | 232 | case TARGET_XFER_UNAVAILABLE: |
8635b3bf | 233 | exception = NOT_AVAILABLE_ERROR; |
578d3588 PA |
234 | break; |
235 | } | |
236 | ||
237 | /* Throw it. */ | |
8635b3bf | 238 | throw_error (exception, ("%s"), str); |
c906108c SS |
239 | } |
240 | ||
241 | /* Same as target_read_memory, but report an error if can't read. */ | |
4e5d721f | 242 | |
c906108c | 243 | void |
45aa4659 | 244 | read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) |
c906108c | 245 | { |
9b409511 | 246 | ULONGEST xfered = 0; |
c5504eaf | 247 | |
6be7b56e PA |
248 | while (xfered < len) |
249 | { | |
9b409511 YQ |
250 | enum target_xfer_status status; |
251 | ULONGEST xfered_len; | |
6be7b56e | 252 | |
9b409511 YQ |
253 | status = target_xfer_partial (current_target.beneath, |
254 | TARGET_OBJECT_MEMORY, NULL, | |
255 | myaddr + xfered, NULL, | |
256 | memaddr + xfered, len - xfered, | |
257 | &xfered_len); | |
258 | ||
5c328c05 YQ |
259 | if (status != TARGET_XFER_OK) |
260 | memory_error (status == TARGET_XFER_EOF ? TARGET_XFER_E_IO : status, | |
261 | memaddr + xfered); | |
9b409511 | 262 | |
9b409511 | 263 | xfered += xfered_len; |
6be7b56e PA |
264 | QUIT; |
265 | } | |
c906108c SS |
266 | } |
267 | ||
4e5d721f DE |
268 | /* Same as target_read_stack, but report an error if can't read. */ |
269 | ||
270 | void | |
45aa4659 | 271 | read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) |
4e5d721f DE |
272 | { |
273 | int status; | |
c5504eaf | 274 | |
4e5d721f DE |
275 | status = target_read_stack (memaddr, myaddr, len); |
276 | if (status != 0) | |
277 | memory_error (status, memaddr); | |
278 | } | |
279 | ||
0865b04a YQ |
280 | /* Same as target_read_code, but report an error if can't read. */ |
281 | ||
282 | void | |
283 | read_code (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) | |
284 | { | |
285 | int status; | |
286 | ||
287 | status = target_read_code (memaddr, myaddr, len); | |
288 | if (status != 0) | |
289 | memory_error (status, memaddr); | |
290 | } | |
291 | ||
ee8ff470 KB |
292 | /* Read memory at MEMADDR of length LEN and put the contents in |
293 | RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero | |
294 | if successful. */ | |
295 | ||
16a0f3e7 | 296 | int |
c5504eaf MS |
297 | safe_read_memory_integer (CORE_ADDR memaddr, int len, |
298 | enum bfd_endian byte_order, | |
e17a4113 | 299 | LONGEST *return_value) |
16a0f3e7 | 300 | { |
5e43d467 | 301 | gdb_byte buf[sizeof (LONGEST)]; |
16a0f3e7 | 302 | |
5e43d467 UW |
303 | if (target_read_memory (memaddr, buf, len)) |
304 | return 0; | |
16a0f3e7 | 305 | |
5e43d467 UW |
306 | *return_value = extract_signed_integer (buf, len, byte_order); |
307 | return 1; | |
16a0f3e7 EZ |
308 | } |
309 | ||
c906108c | 310 | LONGEST |
aff410f1 MS |
311 | read_memory_integer (CORE_ADDR memaddr, int len, |
312 | enum bfd_endian byte_order) | |
c906108c | 313 | { |
dfb65433 | 314 | gdb_byte buf[sizeof (LONGEST)]; |
c906108c SS |
315 | |
316 | read_memory (memaddr, buf, len); | |
e17a4113 | 317 | return extract_signed_integer (buf, len, byte_order); |
c906108c SS |
318 | } |
319 | ||
320 | ULONGEST | |
aff410f1 MS |
321 | read_memory_unsigned_integer (CORE_ADDR memaddr, int len, |
322 | enum bfd_endian byte_order) | |
c906108c | 323 | { |
dfb65433 | 324 | gdb_byte buf[sizeof (ULONGEST)]; |
c906108c SS |
325 | |
326 | read_memory (memaddr, buf, len); | |
e17a4113 | 327 | return extract_unsigned_integer (buf, len, byte_order); |
c906108c SS |
328 | } |
329 | ||
0865b04a YQ |
330 | LONGEST |
331 | read_code_integer (CORE_ADDR memaddr, int len, | |
332 | enum bfd_endian byte_order) | |
333 | { | |
334 | gdb_byte buf[sizeof (LONGEST)]; | |
335 | ||
336 | read_code (memaddr, buf, len); | |
337 | return extract_signed_integer (buf, len, byte_order); | |
338 | } | |
339 | ||
340 | ULONGEST | |
341 | read_code_unsigned_integer (CORE_ADDR memaddr, int len, | |
342 | enum bfd_endian byte_order) | |
343 | { | |
344 | gdb_byte buf[sizeof (ULONGEST)]; | |
345 | ||
346 | read_code (memaddr, buf, len); | |
347 | return extract_unsigned_integer (buf, len, byte_order); | |
348 | } | |
349 | ||
c906108c | 350 | void |
fba45db2 | 351 | read_memory_string (CORE_ADDR memaddr, char *buffer, int max_len) |
c906108c | 352 | { |
52f0bd74 AC |
353 | char *cp; |
354 | int i; | |
c906108c SS |
355 | int cnt; |
356 | ||
357 | cp = buffer; | |
358 | while (1) | |
359 | { | |
360 | if (cp - buffer >= max_len) | |
c5aa993b JM |
361 | { |
362 | buffer[max_len - 1] = '\0'; | |
363 | break; | |
364 | } | |
c906108c SS |
365 | cnt = max_len - (cp - buffer); |
366 | if (cnt > 8) | |
367 | cnt = 8; | |
c8af03a2 | 368 | read_memory (memaddr + (int) (cp - buffer), (gdb_byte *) cp, cnt); |
c906108c | 369 | for (i = 0; i < cnt && *cp; i++, cp++) |
c5aa993b | 370 | ; /* null body */ |
c906108c SS |
371 | |
372 | if (i < cnt && !*cp) | |
c5aa993b | 373 | break; |
c906108c SS |
374 | } |
375 | } | |
c26e4683 | 376 | |
0d540cdf KD |
377 | CORE_ADDR |
378 | read_memory_typed_address (CORE_ADDR addr, struct type *type) | |
379 | { | |
dfb65433 | 380 | gdb_byte *buf = alloca (TYPE_LENGTH (type)); |
c5504eaf | 381 | |
0d540cdf KD |
382 | read_memory (addr, buf, TYPE_LENGTH (type)); |
383 | return extract_typed_address (buf, type); | |
384 | } | |
385 | ||
cb6f16cf SM |
386 | /* See gdbcore.h. */ |
387 | ||
c26e4683 | 388 | void |
aff410f1 | 389 | write_memory (CORE_ADDR memaddr, |
45aa4659 | 390 | const bfd_byte *myaddr, ssize_t len) |
c26e4683 JB |
391 | { |
392 | int status; | |
c5504eaf | 393 | |
00630ca8 | 394 | status = target_write_memory (memaddr, myaddr, len); |
c26e4683 JB |
395 | if (status != 0) |
396 | memory_error (status, memaddr); | |
397 | } | |
398 | ||
972daa01 YQ |
399 | /* Same as write_memory, but notify 'memory_changed' observers. */ |
400 | ||
401 | void | |
402 | write_memory_with_notification (CORE_ADDR memaddr, const bfd_byte *myaddr, | |
403 | ssize_t len) | |
404 | { | |
405 | write_memory (memaddr, myaddr, len); | |
8de0566d | 406 | observer_notify_memory_changed (current_inferior (), memaddr, len, myaddr); |
972daa01 YQ |
407 | } |
408 | ||
aff410f1 MS |
409 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned |
410 | integer. */ | |
c26e4683 | 411 | void |
c5504eaf MS |
412 | write_memory_unsigned_integer (CORE_ADDR addr, int len, |
413 | enum bfd_endian byte_order, | |
e17a4113 | 414 | ULONGEST value) |
c26e4683 | 415 | { |
dfb65433 | 416 | gdb_byte *buf = alloca (len); |
c5504eaf | 417 | |
e17a4113 | 418 | store_unsigned_integer (buf, len, byte_order, value); |
c26e4683 JB |
419 | write_memory (addr, buf, len); |
420 | } | |
421 | ||
aff410f1 MS |
422 | /* Store VALUE at ADDR in the inferior as a LEN-byte signed |
423 | integer. */ | |
c26e4683 | 424 | void |
c5504eaf MS |
425 | write_memory_signed_integer (CORE_ADDR addr, int len, |
426 | enum bfd_endian byte_order, | |
e17a4113 | 427 | LONGEST value) |
c26e4683 | 428 | { |
dfb65433 | 429 | gdb_byte *buf = alloca (len); |
c5504eaf | 430 | |
e17a4113 | 431 | store_signed_integer (buf, len, byte_order, value); |
c26e4683 JB |
432 | write_memory (addr, buf, len); |
433 | } | |
c906108c SS |
434 | \f |
435 | /* The current default bfd target. Points to storage allocated for | |
436 | gnutarget_string. */ | |
437 | char *gnutarget; | |
438 | ||
439 | /* Same thing, except it is "auto" not NULL for the default case. */ | |
440 | static char *gnutarget_string; | |
920d2a44 AC |
441 | static void |
442 | show_gnutarget_string (struct ui_file *file, int from_tty, | |
aff410f1 MS |
443 | struct cmd_list_element *c, |
444 | const char *value) | |
920d2a44 | 445 | { |
aff410f1 MS |
446 | fprintf_filtered (file, |
447 | _("The current BFD target is \"%s\".\n"), value); | |
920d2a44 | 448 | } |
c906108c | 449 | |
aff410f1 MS |
450 | static void set_gnutarget_command (char *, int, |
451 | struct cmd_list_element *); | |
c906108c SS |
452 | |
453 | static void | |
aff410f1 MS |
454 | set_gnutarget_command (char *ignore, int from_tty, |
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 | ||
470 | static VEC (char_ptr) * | |
6f937416 PA |
471 | complete_set_gnutarget (struct cmd_list_element *cmd, |
472 | const char *text, const char *word) | |
44478ab3 TT |
473 | { |
474 | static const char **bfd_targets; | |
475 | ||
476 | if (bfd_targets == NULL) | |
477 | { | |
478 | int last; | |
479 | ||
480 | bfd_targets = bfd_target_list (); | |
481 | for (last = 0; bfd_targets[last] != NULL; ++last) | |
482 | ; | |
483 | ||
484 | bfd_targets = xrealloc (bfd_targets, (last + 2) * sizeof (const char **)); | |
485 | bfd_targets[last] = "auto"; | |
486 | bfd_targets[last + 1] = NULL; | |
487 | } | |
488 | ||
489 | return complete_on_enum (bfd_targets, text, word); | |
490 | } | |
491 | ||
c906108c SS |
492 | /* Set the gnutarget. */ |
493 | void | |
fba45db2 | 494 | set_gnutarget (char *newtarget) |
c906108c SS |
495 | { |
496 | if (gnutarget_string != NULL) | |
b8c9b27d | 497 | xfree (gnutarget_string); |
1b36a34b | 498 | gnutarget_string = xstrdup (newtarget); |
c906108c SS |
499 | set_gnutarget_command (NULL, 0, NULL); |
500 | } | |
501 | ||
502 | void | |
fba45db2 | 503 | _initialize_core (void) |
c906108c SS |
504 | { |
505 | struct cmd_list_element *c; | |
c5504eaf | 506 | |
1a966eab AC |
507 | c = add_cmd ("core-file", class_files, core_file_command, _("\ |
508 | Use FILE as core dump for examining memory and registers.\n\ | |
c906108c | 509 | No arg means have no core file. This command has been superseded by the\n\ |
1a966eab | 510 | `target core' and `detach' commands."), &cmdlist); |
5ba2abeb | 511 | set_cmd_completer (c, filename_completer); |
c906108c | 512 | |
26c41df3 | 513 | |
44478ab3 TT |
514 | c = add_setshow_string_noescape_cmd ("gnutarget", class_files, |
515 | &gnutarget_string, _("\ | |
26c41df3 AC |
516 | Set the current BFD target."), _("\ |
517 | Show the current BFD target."), _("\ | |
518 | Use `set gnutarget auto' to specify automatic detection."), | |
44478ab3 TT |
519 | set_gnutarget_command, |
520 | show_gnutarget_string, | |
521 | &setlist, &showlist); | |
522 | set_cmd_completer (c, complete_set_gnutarget); | |
523 | ||
7e20dfcd | 524 | add_alias_cmd ("g", "gnutarget", class_files, 1, &setlist); |
c906108c SS |
525 | |
526 | if (getenv ("GNUTARGET")) | |
527 | set_gnutarget (getenv ("GNUTARGET")); | |
528 | else | |
529 | set_gnutarget ("auto"); | |
530 | } |