Commit | Line | Data |
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c906108c | 1 | /* Core dump and executable file functions above target vector, for GDB. |
1bac305b | 2 | |
42a4f53d | 3 | Copyright (C) 1986-2019 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" | |
d55e5aa6 | 21 | #include <signal.h> |
4de283e4 TT |
22 | #include <fcntl.h> |
23 | #include "inferior.h" | |
24 | #include "symtab.h" | |
c906108c SS |
25 | #include "command.h" |
26 | #include "gdbcmd.h" | |
4de283e4 TT |
27 | #include "bfd.h" |
28 | #include "target.h" | |
c906108c | 29 | #include "gdbcore.h" |
4de283e4 TT |
30 | #include "dis-asm.h" |
31 | #include <sys/stat.h> | |
32 | #include "completer.h" | |
76727919 | 33 | #include "observable.h" |
4de283e4 | 34 | #include "cli/cli-utils.h" |
0d12e84c | 35 | #include "gdbarch.h" |
c906108c | 36 | |
9a4105ab AC |
37 | /* You can have any number of hooks for `exec_file_command' command to |
38 | call. If there's only one hook, it is set in exec_file_display | |
39 | hook. If there are two or more hooks, they are set in | |
40 | exec_file_extra_hooks[], and deprecated_exec_file_display_hook is | |
41 | set to a function that calls all of them. This extra complexity is | |
42 | needed to preserve compatibility with old code that assumed that | |
43 | only one hook could be set, and which called | |
44 | deprecated_exec_file_display_hook directly. */ | |
c906108c | 45 | |
5f08566b | 46 | typedef void (*hook_type) (const char *); |
c906108c | 47 | |
aff410f1 MS |
48 | hook_type deprecated_exec_file_display_hook; /* The original hook. */ |
49 | static hook_type *exec_file_extra_hooks; /* Array of additional | |
50 | hooks. */ | |
51 | static int exec_file_hook_count = 0; /* Size of array. */ | |
c906108c | 52 | |
c906108c | 53 | \f |
c5aa993b | 54 | |
de6854b5 MS |
55 | /* If there are two or more functions that wish to hook into |
56 | exec_file_command, this function will call all of the hook | |
57 | functions. */ | |
c906108c SS |
58 | |
59 | static void | |
5f08566b | 60 | call_extra_exec_file_hooks (const char *filename) |
c906108c SS |
61 | { |
62 | int i; | |
63 | ||
64 | for (i = 0; i < exec_file_hook_count; i++) | |
c5aa993b | 65 | (*exec_file_extra_hooks[i]) (filename); |
c906108c SS |
66 | } |
67 | ||
68 | /* Call this to specify the hook for exec_file_command to call back. | |
69 | This is called from the x-window display code. */ | |
70 | ||
71 | void | |
5f08566b | 72 | specify_exec_file_hook (void (*hook) (const char *)) |
c906108c SS |
73 | { |
74 | hook_type *new_array; | |
75 | ||
9a4105ab | 76 | if (deprecated_exec_file_display_hook != NULL) |
c906108c SS |
77 | { |
78 | /* There's already a hook installed. Arrange to have both it | |
aff410f1 | 79 | and the subsequent hooks called. */ |
c906108c SS |
80 | if (exec_file_hook_count == 0) |
81 | { | |
aff410f1 MS |
82 | /* If this is the first extra hook, initialize the hook |
83 | array. */ | |
8d749320 | 84 | exec_file_extra_hooks = XNEW (hook_type); |
9a4105ab AC |
85 | exec_file_extra_hooks[0] = deprecated_exec_file_display_hook; |
86 | deprecated_exec_file_display_hook = call_extra_exec_file_hooks; | |
c906108c SS |
87 | exec_file_hook_count = 1; |
88 | } | |
89 | ||
90 | /* Grow the hook array by one and add the new hook to the end. | |
91 | Yes, it's inefficient to grow it by one each time but since | |
92 | this is hardly ever called it's not a big deal. */ | |
93 | exec_file_hook_count++; | |
aff410f1 MS |
94 | new_array = (hook_type *) |
95 | xrealloc (exec_file_extra_hooks, | |
96 | exec_file_hook_count * sizeof (hook_type)); | |
c906108c SS |
97 | exec_file_extra_hooks = new_array; |
98 | exec_file_extra_hooks[exec_file_hook_count - 1] = hook; | |
99 | } | |
100 | else | |
9a4105ab | 101 | deprecated_exec_file_display_hook = hook; |
c906108c SS |
102 | } |
103 | ||
c906108c | 104 | void |
fba45db2 | 105 | reopen_exec_file (void) |
c906108c | 106 | { |
c906108c SS |
107 | int res; |
108 | struct stat st; | |
c906108c | 109 | |
aff410f1 | 110 | /* Don't do anything if there isn't an exec file. */ |
4c42eaff | 111 | if (exec_bfd == NULL) |
c906108c | 112 | return; |
c5aa993b | 113 | |
aff410f1 | 114 | /* If the timestamp of the exec file has changed, reopen it. */ |
0638b7f9 TT |
115 | std::string filename = bfd_get_filename (exec_bfd); |
116 | res = stat (filename.c_str (), &st); | |
c906108c | 117 | |
537d9b85 | 118 | if (res == 0 && exec_bfd_mtime && exec_bfd_mtime != st.st_mtime) |
0638b7f9 | 119 | exec_file_attach (filename.c_str (), 0); |
939643d7 DJ |
120 | else |
121 | /* If we accessed the file since last opening it, close it now; | |
122 | this stops GDB from holding the executable open after it | |
123 | exits. */ | |
124 | bfd_cache_close_all (); | |
c906108c SS |
125 | } |
126 | \f | |
127 | /* If we have both a core file and an exec file, | |
128 | print a warning if they don't go together. */ | |
129 | ||
130 | void | |
fba45db2 | 131 | validate_files (void) |
c906108c SS |
132 | { |
133 | if (exec_bfd && core_bfd) | |
134 | { | |
135 | if (!core_file_matches_executable_p (core_bfd, exec_bfd)) | |
8a3fe4f8 | 136 | warning (_("core file may not match specified executable file.")); |
c5aa993b | 137 | else if (bfd_get_mtime (exec_bfd) > bfd_get_mtime (core_bfd)) |
8a3fe4f8 | 138 | warning (_("exec file is newer than core file.")); |
c906108c SS |
139 | } |
140 | } | |
141 | ||
268a13a5 | 142 | /* See gdbsupport/common-inferior.h. */ |
c906108c SS |
143 | |
144 | char * | |
fba45db2 | 145 | get_exec_file (int err) |
c906108c | 146 | { |
1f0c4988 JK |
147 | if (exec_filename) |
148 | return exec_filename; | |
c5aa993b JM |
149 | if (!err) |
150 | return NULL; | |
c906108c | 151 | |
8a3fe4f8 AC |
152 | error (_("No executable file specified.\n\ |
153 | Use the \"file\" or \"exec-file\" command.")); | |
c906108c SS |
154 | return NULL; |
155 | } | |
c906108c | 156 | \f |
c5aa993b | 157 | |
1ccbe998 | 158 | std::string |
9b409511 | 159 | memory_error_message (enum target_xfer_status err, |
578d3588 | 160 | struct gdbarch *gdbarch, CORE_ADDR memaddr) |
6be7b56e PA |
161 | { |
162 | switch (err) | |
163 | { | |
164 | case TARGET_XFER_E_IO: | |
165 | /* Actually, address between memaddr and memaddr + len was out of | |
166 | bounds. */ | |
1ccbe998 TT |
167 | return string_printf (_("Cannot access memory at address %s"), |
168 | paddress (gdbarch, memaddr)); | |
bc113b4e | 169 | case TARGET_XFER_UNAVAILABLE: |
1ccbe998 TT |
170 | return string_printf (_("Memory at address %s unavailable."), |
171 | paddress (gdbarch, memaddr)); | |
6be7b56e PA |
172 | default: |
173 | internal_error (__FILE__, __LINE__, | |
9b409511 YQ |
174 | "unhandled target_xfer_status: %s (%s)", |
175 | target_xfer_status_to_string (err), | |
6be7b56e PA |
176 | plongest (err)); |
177 | } | |
178 | } | |
179 | ||
578d3588 | 180 | /* Report a memory error by throwing a suitable exception. */ |
c906108c SS |
181 | |
182 | void | |
9b409511 | 183 | memory_error (enum target_xfer_status err, CORE_ADDR memaddr) |
c906108c | 184 | { |
8635b3bf | 185 | enum errors exception = GDB_NO_ERROR; |
578d3588 PA |
186 | |
187 | /* Build error string. */ | |
1ccbe998 | 188 | std::string str = memory_error_message (err, target_gdbarch (), memaddr); |
578d3588 PA |
189 | |
190 | /* Choose the right error to throw. */ | |
191 | switch (err) | |
192 | { | |
193 | case TARGET_XFER_E_IO: | |
8635b3bf | 194 | exception = MEMORY_ERROR; |
578d3588 | 195 | break; |
bc113b4e | 196 | case TARGET_XFER_UNAVAILABLE: |
8635b3bf | 197 | exception = NOT_AVAILABLE_ERROR; |
578d3588 PA |
198 | break; |
199 | } | |
200 | ||
201 | /* Throw it. */ | |
1ccbe998 | 202 | throw_error (exception, ("%s"), str.c_str ()); |
c906108c SS |
203 | } |
204 | ||
edf689f0 | 205 | /* Helper function. */ |
4e5d721f | 206 | |
edf689f0 YQ |
207 | static void |
208 | read_memory_object (enum target_object object, CORE_ADDR memaddr, | |
209 | gdb_byte *myaddr, ssize_t len) | |
c906108c | 210 | { |
9b409511 | 211 | ULONGEST xfered = 0; |
c5504eaf | 212 | |
6be7b56e PA |
213 | while (xfered < len) |
214 | { | |
9b409511 YQ |
215 | enum target_xfer_status status; |
216 | ULONGEST xfered_len; | |
6be7b56e | 217 | |
8b88a78e | 218 | status = target_xfer_partial (current_top_target (), object, NULL, |
9b409511 YQ |
219 | myaddr + xfered, NULL, |
220 | memaddr + xfered, len - xfered, | |
221 | &xfered_len); | |
222 | ||
5c328c05 YQ |
223 | if (status != TARGET_XFER_OK) |
224 | memory_error (status == TARGET_XFER_EOF ? TARGET_XFER_E_IO : status, | |
225 | memaddr + xfered); | |
9b409511 | 226 | |
9b409511 | 227 | xfered += xfered_len; |
6be7b56e PA |
228 | QUIT; |
229 | } | |
c906108c SS |
230 | } |
231 | ||
edf689f0 YQ |
232 | /* Same as target_read_memory, but report an error if can't read. */ |
233 | ||
234 | void | |
235 | read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) | |
236 | { | |
237 | read_memory_object (TARGET_OBJECT_MEMORY, memaddr, myaddr, len); | |
238 | } | |
239 | ||
4e5d721f DE |
240 | /* Same as target_read_stack, but report an error if can't read. */ |
241 | ||
242 | void | |
45aa4659 | 243 | read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) |
4e5d721f | 244 | { |
edf689f0 | 245 | read_memory_object (TARGET_OBJECT_STACK_MEMORY, memaddr, myaddr, len); |
4e5d721f DE |
246 | } |
247 | ||
0865b04a YQ |
248 | /* Same as target_read_code, but report an error if can't read. */ |
249 | ||
250 | void | |
251 | read_code (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len) | |
252 | { | |
edf689f0 | 253 | read_memory_object (TARGET_OBJECT_CODE_MEMORY, memaddr, myaddr, len); |
0865b04a YQ |
254 | } |
255 | ||
ee8ff470 KB |
256 | /* Read memory at MEMADDR of length LEN and put the contents in |
257 | RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero | |
258 | if successful. */ | |
259 | ||
16a0f3e7 | 260 | int |
c5504eaf MS |
261 | safe_read_memory_integer (CORE_ADDR memaddr, int len, |
262 | enum bfd_endian byte_order, | |
e17a4113 | 263 | LONGEST *return_value) |
16a0f3e7 | 264 | { |
5e43d467 | 265 | gdb_byte buf[sizeof (LONGEST)]; |
16a0f3e7 | 266 | |
5e43d467 UW |
267 | if (target_read_memory (memaddr, buf, len)) |
268 | return 0; | |
16a0f3e7 | 269 | |
5e43d467 UW |
270 | *return_value = extract_signed_integer (buf, len, byte_order); |
271 | return 1; | |
16a0f3e7 EZ |
272 | } |
273 | ||
cc2c4da8 MK |
274 | /* Read memory at MEMADDR of length LEN and put the contents in |
275 | RETURN_VALUE. Return 0 if MEMADDR couldn't be read and non-zero | |
276 | if successful. */ | |
277 | ||
278 | int | |
279 | safe_read_memory_unsigned_integer (CORE_ADDR memaddr, int len, | |
280 | enum bfd_endian byte_order, | |
281 | ULONGEST *return_value) | |
282 | { | |
283 | gdb_byte buf[sizeof (ULONGEST)]; | |
284 | ||
285 | if (target_read_memory (memaddr, buf, len)) | |
286 | return 0; | |
287 | ||
288 | *return_value = extract_unsigned_integer (buf, len, byte_order); | |
289 | return 1; | |
290 | } | |
291 | ||
c906108c | 292 | LONGEST |
aff410f1 MS |
293 | read_memory_integer (CORE_ADDR memaddr, int len, |
294 | enum bfd_endian byte_order) | |
c906108c | 295 | { |
dfb65433 | 296 | gdb_byte buf[sizeof (LONGEST)]; |
c906108c SS |
297 | |
298 | read_memory (memaddr, buf, len); | |
e17a4113 | 299 | return extract_signed_integer (buf, len, byte_order); |
c906108c SS |
300 | } |
301 | ||
302 | ULONGEST | |
aff410f1 MS |
303 | read_memory_unsigned_integer (CORE_ADDR memaddr, int len, |
304 | enum bfd_endian byte_order) | |
c906108c | 305 | { |
dfb65433 | 306 | gdb_byte buf[sizeof (ULONGEST)]; |
c906108c SS |
307 | |
308 | read_memory (memaddr, buf, len); | |
e17a4113 | 309 | return extract_unsigned_integer (buf, len, byte_order); |
c906108c SS |
310 | } |
311 | ||
0865b04a YQ |
312 | LONGEST |
313 | read_code_integer (CORE_ADDR memaddr, int len, | |
314 | enum bfd_endian byte_order) | |
315 | { | |
316 | gdb_byte buf[sizeof (LONGEST)]; | |
317 | ||
318 | read_code (memaddr, buf, len); | |
319 | return extract_signed_integer (buf, len, byte_order); | |
320 | } | |
321 | ||
322 | ULONGEST | |
323 | read_code_unsigned_integer (CORE_ADDR memaddr, int len, | |
324 | enum bfd_endian byte_order) | |
325 | { | |
326 | gdb_byte buf[sizeof (ULONGEST)]; | |
327 | ||
328 | read_code (memaddr, buf, len); | |
329 | return extract_unsigned_integer (buf, len, byte_order); | |
330 | } | |
331 | ||
c906108c | 332 | void |
fba45db2 | 333 | read_memory_string (CORE_ADDR memaddr, char *buffer, int max_len) |
c906108c | 334 | { |
52f0bd74 AC |
335 | char *cp; |
336 | int i; | |
c906108c SS |
337 | int cnt; |
338 | ||
339 | cp = buffer; | |
340 | while (1) | |
341 | { | |
342 | if (cp - buffer >= max_len) | |
c5aa993b JM |
343 | { |
344 | buffer[max_len - 1] = '\0'; | |
345 | break; | |
346 | } | |
c906108c SS |
347 | cnt = max_len - (cp - buffer); |
348 | if (cnt > 8) | |
349 | cnt = 8; | |
c8af03a2 | 350 | read_memory (memaddr + (int) (cp - buffer), (gdb_byte *) cp, cnt); |
c906108c | 351 | for (i = 0; i < cnt && *cp; i++, cp++) |
c5aa993b | 352 | ; /* null body */ |
c906108c SS |
353 | |
354 | if (i < cnt && !*cp) | |
c5aa993b | 355 | break; |
c906108c SS |
356 | } |
357 | } | |
c26e4683 | 358 | |
0d540cdf KD |
359 | CORE_ADDR |
360 | read_memory_typed_address (CORE_ADDR addr, struct type *type) | |
361 | { | |
224c3ddb | 362 | gdb_byte *buf = (gdb_byte *) alloca (TYPE_LENGTH (type)); |
c5504eaf | 363 | |
0d540cdf KD |
364 | read_memory (addr, buf, TYPE_LENGTH (type)); |
365 | return extract_typed_address (buf, type); | |
366 | } | |
367 | ||
cb6f16cf SM |
368 | /* See gdbcore.h. */ |
369 | ||
c26e4683 | 370 | void |
aff410f1 | 371 | write_memory (CORE_ADDR memaddr, |
45aa4659 | 372 | const bfd_byte *myaddr, ssize_t len) |
c26e4683 JB |
373 | { |
374 | int status; | |
c5504eaf | 375 | |
00630ca8 | 376 | status = target_write_memory (memaddr, myaddr, len); |
c26e4683 | 377 | if (status != 0) |
d09f2c3f | 378 | memory_error (TARGET_XFER_E_IO, memaddr); |
c26e4683 JB |
379 | } |
380 | ||
972daa01 YQ |
381 | /* Same as write_memory, but notify 'memory_changed' observers. */ |
382 | ||
383 | void | |
384 | write_memory_with_notification (CORE_ADDR memaddr, const bfd_byte *myaddr, | |
385 | ssize_t len) | |
386 | { | |
387 | write_memory (memaddr, myaddr, len); | |
76727919 | 388 | gdb::observers::memory_changed.notify (current_inferior (), memaddr, len, myaddr); |
972daa01 YQ |
389 | } |
390 | ||
aff410f1 MS |
391 | /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned |
392 | integer. */ | |
c26e4683 | 393 | void |
c5504eaf MS |
394 | write_memory_unsigned_integer (CORE_ADDR addr, int len, |
395 | enum bfd_endian byte_order, | |
e17a4113 | 396 | ULONGEST value) |
c26e4683 | 397 | { |
224c3ddb | 398 | gdb_byte *buf = (gdb_byte *) alloca (len); |
c5504eaf | 399 | |
e17a4113 | 400 | store_unsigned_integer (buf, len, byte_order, value); |
c26e4683 JB |
401 | write_memory (addr, buf, len); |
402 | } | |
403 | ||
aff410f1 MS |
404 | /* Store VALUE at ADDR in the inferior as a LEN-byte signed |
405 | integer. */ | |
c26e4683 | 406 | void |
c5504eaf MS |
407 | write_memory_signed_integer (CORE_ADDR addr, int len, |
408 | enum bfd_endian byte_order, | |
e17a4113 | 409 | LONGEST value) |
c26e4683 | 410 | { |
224c3ddb | 411 | gdb_byte *buf = (gdb_byte *) alloca (len); |
c5504eaf | 412 | |
e17a4113 | 413 | store_signed_integer (buf, len, byte_order, value); |
c26e4683 JB |
414 | write_memory (addr, buf, len); |
415 | } | |
c906108c SS |
416 | \f |
417 | /* The current default bfd target. Points to storage allocated for | |
418 | gnutarget_string. */ | |
419 | char *gnutarget; | |
420 | ||
421 | /* Same thing, except it is "auto" not NULL for the default case. */ | |
422 | static char *gnutarget_string; | |
920d2a44 AC |
423 | static void |
424 | show_gnutarget_string (struct ui_file *file, int from_tty, | |
aff410f1 MS |
425 | struct cmd_list_element *c, |
426 | const char *value) | |
920d2a44 | 427 | { |
aff410f1 MS |
428 | fprintf_filtered (file, |
429 | _("The current BFD target is \"%s\".\n"), value); | |
920d2a44 | 430 | } |
c906108c | 431 | |
c906108c | 432 | static void |
eb4c3f4a | 433 | set_gnutarget_command (const char *ignore, int from_tty, |
aff410f1 | 434 | struct cmd_list_element *c) |
c906108c | 435 | { |
44478ab3 TT |
436 | char *gend = gnutarget_string + strlen (gnutarget_string); |
437 | ||
438 | gend = remove_trailing_whitespace (gnutarget_string, gend); | |
439 | *gend = '\0'; | |
440 | ||
bde58177 | 441 | if (strcmp (gnutarget_string, "auto") == 0) |
c906108c SS |
442 | gnutarget = NULL; |
443 | else | |
444 | gnutarget = gnutarget_string; | |
445 | } | |
446 | ||
44478ab3 TT |
447 | /* A completion function for "set gnutarget". */ |
448 | ||
eb3ff9a5 | 449 | static void |
6f937416 | 450 | complete_set_gnutarget (struct cmd_list_element *cmd, |
eb3ff9a5 | 451 | completion_tracker &tracker, |
6f937416 | 452 | const char *text, const char *word) |
44478ab3 TT |
453 | { |
454 | static const char **bfd_targets; | |
455 | ||
456 | if (bfd_targets == NULL) | |
457 | { | |
458 | int last; | |
459 | ||
460 | bfd_targets = bfd_target_list (); | |
461 | for (last = 0; bfd_targets[last] != NULL; ++last) | |
462 | ; | |
463 | ||
224c3ddb | 464 | bfd_targets = XRESIZEVEC (const char *, bfd_targets, last + 2); |
44478ab3 TT |
465 | bfd_targets[last] = "auto"; |
466 | bfd_targets[last + 1] = NULL; | |
467 | } | |
468 | ||
eb3ff9a5 | 469 | complete_on_enum (tracker, bfd_targets, text, word); |
44478ab3 TT |
470 | } |
471 | ||
c906108c SS |
472 | /* Set the gnutarget. */ |
473 | void | |
a121b7c1 | 474 | set_gnutarget (const char *newtarget) |
c906108c SS |
475 | { |
476 | if (gnutarget_string != NULL) | |
b8c9b27d | 477 | xfree (gnutarget_string); |
1b36a34b | 478 | gnutarget_string = xstrdup (newtarget); |
c906108c SS |
479 | set_gnutarget_command (NULL, 0, NULL); |
480 | } | |
481 | ||
482 | void | |
fba45db2 | 483 | _initialize_core (void) |
c906108c SS |
484 | { |
485 | struct cmd_list_element *c; | |
c5504eaf | 486 | |
1a966eab AC |
487 | c = add_cmd ("core-file", class_files, core_file_command, _("\ |
488 | Use FILE as core dump for examining memory and registers.\n\ | |
0cab2f1e | 489 | Usage: core-file FILE\n\ |
c906108c | 490 | No arg means have no core file. This command has been superseded by the\n\ |
1a966eab | 491 | `target core' and `detach' commands."), &cmdlist); |
5ba2abeb | 492 | set_cmd_completer (c, filename_completer); |
c906108c | 493 | |
26c41df3 | 494 | |
44478ab3 TT |
495 | c = add_setshow_string_noescape_cmd ("gnutarget", class_files, |
496 | &gnutarget_string, _("\ | |
26c41df3 AC |
497 | Set the current BFD target."), _("\ |
498 | Show the current BFD target."), _("\ | |
499 | Use `set gnutarget auto' to specify automatic detection."), | |
44478ab3 TT |
500 | set_gnutarget_command, |
501 | show_gnutarget_string, | |
502 | &setlist, &showlist); | |
503 | set_cmd_completer (c, complete_set_gnutarget); | |
504 | ||
7e20dfcd | 505 | add_alias_cmd ("g", "gnutarget", class_files, 1, &setlist); |
c906108c SS |
506 | |
507 | if (getenv ("GNUTARGET")) | |
508 | set_gnutarget (getenv ("GNUTARGET")); | |
509 | else | |
510 | set_gnutarget ("auto"); | |
511 | } |