Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 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" | |
5af949e3 | 21 | #include "arch-utils.h" |
c906108c | 22 | #include <signal.h> |
c906108c SS |
23 | #include "symtab.h" |
24 | #include "gdbtypes.h" | |
25 | #include "frame.h" | |
26 | #include "inferior.h" | |
45741a9c | 27 | #include "infrun.h" |
c906108c SS |
28 | #include "environ.h" |
29 | #include "value.h" | |
30 | #include "gdbcmd.h" | |
1adeb98a | 31 | #include "symfile.h" |
c906108c SS |
32 | #include "gdbcore.h" |
33 | #include "target.h" | |
34 | #include "language.h" | |
c906108c | 35 | #include "objfiles.h" |
c94fdfd0 | 36 | #include "completer.h" |
8b93c638 | 37 | #include "ui-out.h" |
6426a772 | 38 | #include "event-top.h" |
96baa820 | 39 | #include "parser-defs.h" |
36160dc4 | 40 | #include "regcache.h" |
f9418c0f | 41 | #include "reggroups.h" |
fe898f56 | 42 | #include "block.h" |
a77053c2 | 43 | #include "solib.h" |
f9418c0f | 44 | #include <ctype.h> |
281b533b | 45 | #include "observer.h" |
424163ea | 46 | #include "target-descriptions.h" |
ad842144 | 47 | #include "user-regs.h" |
700b53b1 | 48 | #include "cli/cli-decode.h" |
a0ef4274 | 49 | #include "gdbthread.h" |
79a45b7d | 50 | #include "valprint.h" |
edb3359d | 51 | #include "inline-frame.h" |
573cda03 | 52 | #include "tracepoint.h" |
09cee04b | 53 | #include "inf-loop.h" |
be34f849 | 54 | #include "continuations.h" |
f8eba3c6 | 55 | #include "linespec.h" |
529480d0 | 56 | #include "cli/cli-utils.h" |
8a6c4031 | 57 | #include "infcall.h" |
243a9253 | 58 | #include "thread-fsm.h" |
3b12939d | 59 | #include "top.h" |
8980e177 | 60 | #include "interps.h" |
5ed8105e | 61 | #include "common/gdb_optional.h" |
d5551862 | 62 | |
a58dd373 EZ |
63 | /* Local functions: */ |
64 | ||
11db9430 | 65 | static void info_registers_command (char *, int); |
a58dd373 | 66 | |
a14ed312 | 67 | static void until_next_command (int); |
c906108c | 68 | |
a14ed312 | 69 | static void until_command (char *, int); |
c906108c | 70 | |
a14ed312 | 71 | static void path_command (char *, int); |
c906108c | 72 | |
a14ed312 | 73 | static void unset_command (char *, int); |
c906108c | 74 | |
11db9430 | 75 | static void info_float_command (char *, int); |
c906108c | 76 | |
6ad8ae5c DJ |
77 | static void disconnect_command (char *, int); |
78 | ||
11db9430 | 79 | static void info_program_command (char *, int); |
c906108c | 80 | |
a14ed312 | 81 | static void finish_command (char *, int); |
c906108c | 82 | |
a14ed312 | 83 | static void signal_command (char *, int); |
c906108c | 84 | |
a14ed312 | 85 | static void jump_command (char *, int); |
c906108c | 86 | |
a14ed312 | 87 | static void step_1 (int, int, char *); |
c906108c | 88 | |
a14ed312 | 89 | static void next_command (char *, int); |
c906108c | 90 | |
a14ed312 | 91 | static void step_command (char *, int); |
c906108c | 92 | |
a14ed312 | 93 | static void run_command (char *, int); |
c906108c | 94 | |
c906108c | 95 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 96 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c | 97 | |
3e43a32a MS |
98 | /* Scratch area where string containing arguments to give to the |
99 | program will be stored by 'set args'. As soon as anything is | |
100 | stored, notice_args_set will move it into per-inferior storage. | |
1777feb0 | 101 | Arguments are separated by spaces. Empty string (pointer to '\0') |
3e43a32a | 102 | means no args. */ |
c906108c | 103 | |
3f81c18a | 104 | static char *inferior_args_scratch; |
c906108c | 105 | |
d092c5a2 SDJ |
106 | /* Scratch area where the new cwd will be stored by 'set cwd'. */ |
107 | ||
108 | static char *inferior_cwd_scratch; | |
109 | ||
3f81c18a VP |
110 | /* Scratch area where 'set inferior-tty' will store user-provided value. |
111 | We'll immediate copy it into per-inferior storage. */ | |
552c04a7 | 112 | |
3f81c18a | 113 | static char *inferior_io_terminal_scratch; |
c906108c SS |
114 | |
115 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
116 | Since various parts of infrun.c test this to see whether there is a program | |
117 | being debugged it should be nonzero (currently 3 is used) for remote | |
118 | debugging. */ | |
119 | ||
39f77062 | 120 | ptid_t inferior_ptid; |
c906108c | 121 | |
c906108c SS |
122 | /* Address at which inferior stopped. */ |
123 | ||
124 | CORE_ADDR stop_pc; | |
125 | ||
c906108c SS |
126 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
127 | ||
aa7d318d | 128 | enum stop_stack_kind stop_stack_dummy; |
c906108c SS |
129 | |
130 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
131 | process. */ | |
132 | ||
133 | int stopped_by_random_signal; | |
134 | ||
98882a26 PA |
135 | /* See inferior.h. */ |
136 | ||
137 | int startup_with_shell = 1; | |
138 | ||
c906108c | 139 | \f |
1777feb0 | 140 | /* Accessor routines. */ |
07091751 | 141 | |
3f81c18a VP |
142 | /* Set the io terminal for the current inferior. Ownership of |
143 | TERMINAL_NAME is not transferred. */ | |
144 | ||
3cb3b8df BR |
145 | void |
146 | set_inferior_io_terminal (const char *terminal_name) | |
147 | { | |
3f81c18a | 148 | xfree (current_inferior ()->terminal); |
0a1ddfa6 SM |
149 | |
150 | if (terminal_name != NULL && *terminal_name != '\0') | |
151 | current_inferior ()->terminal = xstrdup (terminal_name); | |
152 | else | |
153 | current_inferior ()->terminal = NULL; | |
3cb3b8df BR |
154 | } |
155 | ||
156 | const char * | |
157 | get_inferior_io_terminal (void) | |
158 | { | |
3f81c18a VP |
159 | return current_inferior ()->terminal; |
160 | } | |
161 | ||
162 | static void | |
163 | set_inferior_tty_command (char *args, int from_tty, | |
164 | struct cmd_list_element *c) | |
165 | { | |
166 | /* CLI has assigned the user-provided value to inferior_io_terminal_scratch. | |
167 | Now route it to current inferior. */ | |
168 | set_inferior_io_terminal (inferior_io_terminal_scratch); | |
169 | } | |
170 | ||
171 | static void | |
172 | show_inferior_tty_command (struct ui_file *file, int from_tty, | |
173 | struct cmd_list_element *c, const char *value) | |
174 | { | |
175 | /* Note that we ignore the passed-in value in favor of computing it | |
176 | directly. */ | |
275f2e57 | 177 | const char *inferior_io_terminal = get_inferior_io_terminal (); |
abbb1732 | 178 | |
275f2e57 DJ |
179 | if (inferior_io_terminal == NULL) |
180 | inferior_io_terminal = ""; | |
3f81c18a | 181 | fprintf_filtered (gdb_stdout, |
275f2e57 DJ |
182 | _("Terminal for future runs of program being debugged " |
183 | "is \"%s\".\n"), inferior_io_terminal); | |
3cb3b8df BR |
184 | } |
185 | ||
07091751 FN |
186 | char * |
187 | get_inferior_args (void) | |
188 | { | |
3f81c18a | 189 | if (current_inferior ()->argc != 0) |
552c04a7 | 190 | { |
3f81c18a | 191 | char *n; |
552c04a7 | 192 | |
3f81c18a VP |
193 | n = construct_inferior_arguments (current_inferior ()->argc, |
194 | current_inferior ()->argv); | |
195 | set_inferior_args (n); | |
196 | xfree (n); | |
552c04a7 TT |
197 | } |
198 | ||
3f81c18a VP |
199 | if (current_inferior ()->args == NULL) |
200 | current_inferior ()->args = xstrdup (""); | |
552c04a7 | 201 | |
3f81c18a | 202 | return current_inferior ()->args; |
07091751 FN |
203 | } |
204 | ||
3f81c18a VP |
205 | /* Set the arguments for the current inferior. Ownership of |
206 | NEWARGS is not transferred. */ | |
207 | ||
208 | void | |
07091751 FN |
209 | set_inferior_args (char *newargs) |
210 | { | |
3f81c18a VP |
211 | xfree (current_inferior ()->args); |
212 | current_inferior ()->args = newargs ? xstrdup (newargs) : NULL; | |
213 | current_inferior ()->argc = 0; | |
214 | current_inferior ()->argv = 0; | |
07091751 | 215 | } |
c5aa993b | 216 | |
552c04a7 TT |
217 | void |
218 | set_inferior_args_vector (int argc, char **argv) | |
219 | { | |
3f81c18a VP |
220 | current_inferior ()->argc = argc; |
221 | current_inferior ()->argv = argv; | |
552c04a7 TT |
222 | } |
223 | ||
224 | /* Notice when `set args' is run. */ | |
6339bfc4 | 225 | |
552c04a7 | 226 | static void |
3f81c18a | 227 | set_args_command (char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 | 228 | { |
3f81c18a VP |
229 | /* CLI has assigned the user-provided value to inferior_args_scratch. |
230 | Now route it to current inferior. */ | |
231 | set_inferior_args (inferior_args_scratch); | |
552c04a7 TT |
232 | } |
233 | ||
234 | /* Notice when `show args' is run. */ | |
6339bfc4 | 235 | |
552c04a7 | 236 | static void |
3f81c18a VP |
237 | show_args_command (struct ui_file *file, int from_tty, |
238 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 239 | { |
258c00cc TT |
240 | /* Note that we ignore the passed-in value in favor of computing it |
241 | directly. */ | |
242 | deprecated_show_value_hack (file, from_tty, c, get_inferior_args ()); | |
552c04a7 TT |
243 | } |
244 | ||
bc3b087d | 245 | /* See common/common-inferior.h. */ |
d092c5a2 | 246 | |
bc3b087d | 247 | void |
d092c5a2 SDJ |
248 | set_inferior_cwd (const char *cwd) |
249 | { | |
250 | struct inferior *inf = current_inferior (); | |
251 | ||
252 | gdb_assert (inf != NULL); | |
253 | ||
254 | if (cwd == NULL) | |
255 | inf->cwd.reset (); | |
256 | else | |
257 | inf->cwd.reset (xstrdup (cwd)); | |
258 | } | |
259 | ||
260 | /* See common/common-inferior.h. */ | |
261 | ||
262 | const char * | |
263 | get_inferior_cwd () | |
264 | { | |
265 | return current_inferior ()->cwd.get (); | |
266 | } | |
267 | ||
268 | /* Handle the 'set cwd' command. */ | |
269 | ||
270 | static void | |
271 | set_cwd_command (char *args, int from_tty, struct cmd_list_element *c) | |
272 | { | |
273 | if (*inferior_cwd_scratch == '\0') | |
274 | set_inferior_cwd (NULL); | |
275 | else | |
276 | set_inferior_cwd (inferior_cwd_scratch); | |
277 | } | |
278 | ||
279 | /* Handle the 'show cwd' command. */ | |
280 | ||
281 | static void | |
282 | show_cwd_command (struct ui_file *file, int from_tty, | |
283 | struct cmd_list_element *c, const char *value) | |
284 | { | |
285 | const char *cwd = get_inferior_cwd (); | |
286 | ||
287 | if (cwd == NULL) | |
288 | fprintf_filtered (gdb_stdout, | |
289 | _("\ | |
290 | You have not set the inferior's current working directory.\n\ | |
bc3b087d SDJ |
291 | The inferior will inherit GDB's cwd if native debugging, or the remote\n\ |
292 | server's cwd if remote debugging.\n")); | |
d092c5a2 SDJ |
293 | else |
294 | fprintf_filtered (gdb_stdout, | |
295 | _("Current working directory that will be used " | |
296 | "when starting the inferior is \"%s\".\n"), cwd); | |
297 | } | |
298 | ||
c2a727fa TT |
299 | \f |
300 | /* Compute command-line string given argument vector. This does the | |
301 | same shell processing as fork_inferior. */ | |
6339bfc4 | 302 | |
c2a727fa | 303 | char * |
bd57a748 | 304 | construct_inferior_arguments (int argc, char **argv) |
c2a727fa TT |
305 | { |
306 | char *result; | |
307 | ||
98882a26 | 308 | if (startup_with_shell) |
c2a727fa | 309 | { |
5d60742e EZ |
310 | #ifdef __MINGW32__ |
311 | /* This holds all the characters considered special to the | |
312 | Windows shells. */ | |
a121b7c1 PA |
313 | static const char special[] = "\"!&*|[]{}<>?`~^=;, \t\n"; |
314 | static const char quote = '"'; | |
5d60742e | 315 | #else |
c2a727fa TT |
316 | /* This holds all the characters considered special to the |
317 | typical Unix shells. We include `^' because the SunOS | |
318 | /bin/sh treats it as a synonym for `|'. */ | |
a121b7c1 PA |
319 | static const char special[] = "\"!#$&*()\\|[]{}<>?'`~^; \t\n"; |
320 | static const char quote = '\''; | |
5d60742e | 321 | #endif |
c2a727fa TT |
322 | int i; |
323 | int length = 0; | |
324 | char *out, *cp; | |
325 | ||
326 | /* We over-compute the size. It shouldn't matter. */ | |
327 | for (i = 0; i < argc; ++i) | |
c2226152 | 328 | length += 3 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
329 | |
330 | result = (char *) xmalloc (length); | |
331 | out = result; | |
332 | ||
333 | for (i = 0; i < argc; ++i) | |
334 | { | |
335 | if (i > 0) | |
336 | *out++ = ' '; | |
337 | ||
03c6228e AS |
338 | /* Need to handle empty arguments specially. */ |
339 | if (argv[i][0] == '\0') | |
c2a727fa | 340 | { |
5d60742e EZ |
341 | *out++ = quote; |
342 | *out++ = quote; | |
03c6228e AS |
343 | } |
344 | else | |
345 | { | |
5d60742e EZ |
346 | #ifdef __MINGW32__ |
347 | int quoted = 0; | |
348 | ||
349 | if (strpbrk (argv[i], special)) | |
350 | { | |
351 | quoted = 1; | |
352 | *out++ = quote; | |
353 | } | |
354 | #endif | |
03c6228e AS |
355 | for (cp = argv[i]; *cp; ++cp) |
356 | { | |
c2226152 AS |
357 | if (*cp == '\n') |
358 | { | |
359 | /* A newline cannot be quoted with a backslash (it | |
360 | just disappears), only by putting it inside | |
361 | quotes. */ | |
5d60742e | 362 | *out++ = quote; |
c2226152 | 363 | *out++ = '\n'; |
5d60742e | 364 | *out++ = quote; |
c2226152 AS |
365 | } |
366 | else | |
367 | { | |
5d60742e EZ |
368 | #ifdef __MINGW32__ |
369 | if (*cp == quote) | |
370 | #else | |
c2226152 | 371 | if (strchr (special, *cp) != NULL) |
5d60742e | 372 | #endif |
c2226152 AS |
373 | *out++ = '\\'; |
374 | *out++ = *cp; | |
375 | } | |
03c6228e | 376 | } |
5d60742e EZ |
377 | #ifdef __MINGW32__ |
378 | if (quoted) | |
379 | *out++ = quote; | |
380 | #endif | |
c2a727fa TT |
381 | } |
382 | } | |
383 | *out = '\0'; | |
384 | } | |
385 | else | |
386 | { | |
387 | /* In this case we can't handle arguments that contain spaces, | |
388 | tabs, or newlines -- see breakup_args(). */ | |
389 | int i; | |
390 | int length = 0; | |
391 | ||
392 | for (i = 0; i < argc; ++i) | |
393 | { | |
394 | char *cp = strchr (argv[i], ' '); | |
395 | if (cp == NULL) | |
396 | cp = strchr (argv[i], '\t'); | |
397 | if (cp == NULL) | |
398 | cp = strchr (argv[i], '\n'); | |
399 | if (cp != NULL) | |
3e43a32a MS |
400 | error (_("can't handle command-line " |
401 | "argument containing whitespace")); | |
c2a727fa TT |
402 | length += strlen (argv[i]) + 1; |
403 | } | |
404 | ||
405 | result = (char *) xmalloc (length); | |
406 | result[0] = '\0'; | |
407 | for (i = 0; i < argc; ++i) | |
408 | { | |
409 | if (i > 0) | |
410 | strcat (result, " "); | |
411 | strcat (result, argv[i]); | |
412 | } | |
413 | } | |
414 | ||
415 | return result; | |
416 | } | |
552c04a7 TT |
417 | \f |
418 | ||
6c4486e6 PA |
419 | /* This function strips the '&' character (indicating background |
420 | execution) that is added as *the last* of the arguments ARGS of a | |
421 | command. A copy of the incoming ARGS without the '&' is returned, | |
422 | unless the resulting string after stripping is empty, in which case | |
423 | NULL is returned. *BG_CHAR_P is an output boolean that indicates | |
424 | whether the '&' character was found. */ | |
6339bfc4 | 425 | |
6c4486e6 PA |
426 | static char * |
427 | strip_bg_char (const char *args, int *bg_char_p) | |
43ff13b4 | 428 | { |
6c4486e6 | 429 | const char *p; |
c5aa993b | 430 | |
6c4486e6 PA |
431 | if (args == NULL || *args == '\0') |
432 | { | |
433 | *bg_char_p = 0; | |
434 | return NULL; | |
435 | } | |
c5aa993b | 436 | |
6c4486e6 PA |
437 | p = args + strlen (args); |
438 | if (p[-1] == '&') | |
43ff13b4 | 439 | { |
6c4486e6 PA |
440 | p--; |
441 | while (p > args && isspace (p[-1])) | |
442 | p--; | |
443 | ||
444 | *bg_char_p = 1; | |
445 | if (p != args) | |
446 | return savestring (args, p - args); | |
447 | else | |
448 | return NULL; | |
43ff13b4 | 449 | } |
6c4486e6 PA |
450 | |
451 | *bg_char_p = 0; | |
452 | return xstrdup (args); | |
43ff13b4 JM |
453 | } |
454 | ||
281b533b DJ |
455 | /* Common actions to take after creating any sort of inferior, by any |
456 | means (running, attaching, connecting, et cetera). The target | |
457 | should be stopped. */ | |
458 | ||
459 | void | |
460 | post_create_inferior (struct target_ops *target, int from_tty) | |
461 | { | |
ce406537 | 462 | |
b79599ff | 463 | /* Be sure we own the terminal in case write operations are performed. */ |
223ffa71 | 464 | target_terminal::ours_for_output (); |
b79599ff | 465 | |
424163ea DJ |
466 | /* If the target hasn't taken care of this already, do it now. |
467 | Targets which need to access registers during to_open, | |
468 | to_create_inferior, or to_attach should do it earlier; but many | |
469 | don't need to. */ | |
470 | target_find_description (); | |
471 | ||
ce406537 PA |
472 | /* Now that we know the register layout, retrieve current PC. But |
473 | if the PC is unavailable (e.g., we're opening a core file with | |
474 | missing registers info), ignore it. */ | |
475 | stop_pc = 0; | |
492d29ea | 476 | TRY |
ce406537 PA |
477 | { |
478 | stop_pc = regcache_read_pc (get_current_regcache ()); | |
479 | } | |
492d29ea | 480 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
481 | { |
482 | if (ex.error != NOT_AVAILABLE_ERROR) | |
483 | throw_exception (ex); | |
484 | } | |
492d29ea | 485 | END_CATCH |
f698437e | 486 | |
50c71eaf PA |
487 | if (exec_bfd) |
488 | { | |
2eff07b3 PP |
489 | const unsigned solib_add_generation |
490 | = current_program_space->solib_add_generation; | |
491 | ||
9353355f DJ |
492 | /* Create the hooks to handle shared library load and unload |
493 | events. */ | |
268a4a75 | 494 | solib_create_inferior_hook (from_tty); |
268a4a75 | 495 | |
2eff07b3 PP |
496 | if (current_program_space->solib_add_generation == solib_add_generation) |
497 | { | |
498 | /* The platform-specific hook should load initial shared libraries, | |
499 | but didn't. FROM_TTY will be incorrectly 0 but such solib | |
500 | targets should be fixed anyway. Call it only after the solib | |
501 | target has been initialized by solib_create_inferior_hook. */ | |
502 | ||
503 | if (info_verbose) | |
504 | warning (_("platform-specific solib_create_inferior_hook did " | |
505 | "not load initial shared libraries.")); | |
506 | ||
507 | /* If the solist is global across processes, there's no need to | |
508 | refetch it here. */ | |
f5656ead | 509 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
e696b3ad | 510 | solib_add (NULL, 0, auto_solib_add); |
2eff07b3 | 511 | } |
9353355f DJ |
512 | } |
513 | ||
ea5d7a99 PM |
514 | /* If the user sets watchpoints before execution having started, |
515 | then she gets software watchpoints, because GDB can't know which | |
516 | target will end up being pushed, or if it supports hardware | |
517 | watchpoints or not. breakpoint_re_set takes care of promoting | |
518 | watchpoints to hardware watchpoints if possible, however, if this | |
519 | new inferior doesn't load shared libraries or we don't pull in | |
520 | symbols from any other source on this target/arch, | |
521 | breakpoint_re_set is never called. Call it now so that software | |
522 | watchpoints get a chance to be promoted to hardware watchpoints | |
523 | if the now pushed target supports hardware watchpoints. */ | |
524 | breakpoint_re_set (); | |
525 | ||
281b533b DJ |
526 | observer_notify_inferior_created (target, from_tty); |
527 | } | |
528 | ||
a4d5f2e0 JB |
529 | /* Kill the inferior if already running. This function is designed |
530 | to be called when we are about to start the execution of the program | |
531 | from the beginning. Ask the user to confirm that he wants to restart | |
532 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 533 | |
8edfe269 | 534 | static void |
a4d5f2e0 JB |
535 | kill_if_already_running (int from_tty) |
536 | { | |
39f77062 | 537 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 538 | { |
8edfe269 DJ |
539 | /* Bail out before killing the program if we will not be able to |
540 | restart it. */ | |
541 | target_require_runnable (); | |
542 | ||
adf40b2e | 543 | if (from_tty |
9e2f0ad4 HZ |
544 | && !query (_("The program being debugged has been started already.\n\ |
545 | Start it from the beginning? "))) | |
8a3fe4f8 | 546 | error (_("Program not restarted.")); |
c906108c | 547 | target_kill (); |
c906108c | 548 | } |
a4d5f2e0 JB |
549 | } |
550 | ||
329ea579 | 551 | /* See inferior.h. */ |
8bc2fe48 | 552 | |
329ea579 | 553 | void |
8bc2fe48 PA |
554 | prepare_execution_command (struct target_ops *target, int background) |
555 | { | |
556 | /* If we get a request for running in the bg but the target | |
557 | doesn't support it, error out. */ | |
558 | if (background && !target->to_can_async_p (target)) | |
559 | error (_("Asynchronous execution not supported on this target.")); | |
560 | ||
0b333c5e | 561 | if (!background) |
8bc2fe48 | 562 | { |
0b333c5e PA |
563 | /* If we get a request for running in the fg, then we need to |
564 | simulate synchronous (fg) execution. Note no cleanup is | |
565 | necessary for this. stdin is re-enabled whenever an error | |
566 | reaches the top level. */ | |
a8836c93 | 567 | all_uis_on_sync_execution_starting (); |
8bc2fe48 PA |
568 | } |
569 | } | |
570 | ||
4e5a4f58 JB |
571 | /* Determine how the new inferior will behave. */ |
572 | ||
573 | enum run_how | |
574 | { | |
575 | /* Run program without any explicit stop during startup. */ | |
576 | RUN_NORMAL, | |
577 | ||
578 | /* Stop at the beginning of the program's main function. */ | |
579 | RUN_STOP_AT_MAIN, | |
580 | ||
581 | /* Stop at the first instruction of the program. */ | |
582 | RUN_STOP_AT_FIRST_INSN | |
583 | }; | |
584 | ||
585 | /* Implement the "run" command. Force a stop during program start if | |
586 | requested by RUN_HOW. */ | |
f67a969f | 587 | |
a4d5f2e0 | 588 | static void |
4e5a4f58 | 589 | run_command_1 (char *args, int from_tty, enum run_how run_how) |
a4d5f2e0 | 590 | { |
7c5ded6a | 591 | const char *exec_file; |
29f49a6a PA |
592 | struct cleanup *old_chain; |
593 | ptid_t ptid; | |
79a45e25 | 594 | struct ui_out *uiout = current_uiout; |
b3ccfe11 | 595 | struct target_ops *run_target; |
6c4486e6 PA |
596 | int async_exec; |
597 | struct cleanup *args_chain; | |
4e5a4f58 | 598 | CORE_ADDR pc; |
c906108c | 599 | |
a4d5f2e0 JB |
600 | dont_repeat (); |
601 | ||
602 | kill_if_already_running (from_tty); | |
3c35e65b UW |
603 | |
604 | init_wait_for_inferior (); | |
c906108c SS |
605 | clear_breakpoint_hit_counts (); |
606 | ||
fd79ecee DJ |
607 | /* Clean up any leftovers from other runs. Some other things from |
608 | this function should probably be moved into target_pre_inferior. */ | |
609 | target_pre_inferior (from_tty); | |
610 | ||
39ad761d JB |
611 | /* The comment here used to read, "The exec file is re-read every |
612 | time we do a generic_mourn_inferior, so we just have to worry | |
613 | about the symbol file." The `generic_mourn_inferior' function | |
614 | gets called whenever the program exits. However, suppose the | |
615 | program exits, and *then* the executable file changes? We need | |
616 | to check again here. Since reopen_exec_file doesn't do anything | |
617 | if the timestamp hasn't changed, I don't see the harm. */ | |
618 | reopen_exec_file (); | |
c906108c SS |
619 | reread_symbols (); |
620 | ||
6c4486e6 PA |
621 | args = strip_bg_char (args, &async_exec); |
622 | args_chain = make_cleanup (xfree, args); | |
f67a969f | 623 | |
8bc2fe48 PA |
624 | /* Do validation and preparation before possibly changing anything |
625 | in the inferior. */ | |
39ad761d | 626 | |
b3ccfe11 TT |
627 | run_target = find_run_target (); |
628 | ||
8bc2fe48 PA |
629 | prepare_execution_command (run_target, async_exec); |
630 | ||
b3ccfe11 | 631 | if (non_stop && !run_target->to_supports_non_stop (run_target)) |
9908b566 VP |
632 | error (_("The target does not support running in non-stop mode.")); |
633 | ||
8bc2fe48 PA |
634 | /* Done. Can now set breakpoints, change inferior args, etc. */ |
635 | ||
4e5a4f58 JB |
636 | /* Insert temporary breakpoint in main function if requested. */ |
637 | if (run_how == RUN_STOP_AT_MAIN) | |
8bc2fe48 PA |
638 | tbreak_command (main_name (), 0); |
639 | ||
7c5ded6a | 640 | exec_file = get_exec_file (0); |
8bc2fe48 | 641 | |
c906108c SS |
642 | /* We keep symbols from add-symbol-file, on the grounds that the |
643 | user might want to add some symbols before running the program | |
644 | (right?). But sometimes (dynamic loading where the user manually | |
645 | introduces the new symbols with add-symbol-file), the code which | |
646 | the symbols describe does not persist between runs. Currently | |
647 | the user has to manually nuke all symbols between runs if they | |
648 | want them to go away (PR 2207). This is probably reasonable. */ | |
649 | ||
8bc2fe48 PA |
650 | /* If there were other args, beside '&', process them. */ |
651 | if (args != NULL) | |
652 | set_inferior_args (args); | |
c906108c SS |
653 | |
654 | if (from_tty) | |
655 | { | |
112e8700 SM |
656 | uiout->field_string (NULL, "Starting program"); |
657 | uiout->text (": "); | |
8b93c638 | 658 | if (exec_file) |
112e8700 SM |
659 | uiout->field_string ("execfile", exec_file); |
660 | uiout->spaces (1); | |
552c04a7 TT |
661 | /* We call get_inferior_args() because we might need to compute |
662 | the value now. */ | |
112e8700 SM |
663 | uiout->field_string ("infargs", get_inferior_args ()); |
664 | uiout->text ("\n"); | |
665 | uiout->flush (); | |
c906108c SS |
666 | } |
667 | ||
6c4486e6 PA |
668 | /* Done with ARGS. */ |
669 | do_cleanups (args_chain); | |
670 | ||
552c04a7 TT |
671 | /* We call get_inferior_args() because we might need to compute |
672 | the value now. */ | |
7c5ded6a SDJ |
673 | run_target->to_create_inferior (run_target, exec_file, |
674 | std::string (get_inferior_args ()), | |
9a6c7d9c | 675 | current_inferior ()->environment.envp (), |
b3ccfe11 TT |
676 | from_tty); |
677 | /* to_create_inferior should push the target, so after this point we | |
678 | shouldn't refer to run_target again. */ | |
679 | run_target = NULL; | |
281b533b | 680 | |
29f49a6a PA |
681 | /* We're starting off a new process. When we get out of here, in |
682 | non-stop mode, finish the state of all threads of that process, | |
683 | but leave other threads alone, as they may be stopped in internal | |
684 | events --- the frontend shouldn't see them as stopped. In | |
685 | all-stop, always finish the state of all threads, as we may be | |
686 | resuming more than just the new process. */ | |
687 | if (non_stop) | |
688 | ptid = pid_to_ptid (ptid_get_pid (inferior_ptid)); | |
689 | else | |
690 | ptid = minus_one_ptid; | |
691 | old_chain = make_cleanup (finish_thread_state_cleanup, &ptid); | |
692 | ||
de1b3c3d PA |
693 | /* Pass zero for FROM_TTY, because at this point the "run" command |
694 | has done its thing; now we are setting up the running program. */ | |
695 | post_create_inferior (¤t_target, 0); | |
281b533b | 696 | |
4e5a4f58 JB |
697 | /* Queue a pending event so that the program stops immediately. */ |
698 | if (run_how == RUN_STOP_AT_FIRST_INSN) | |
699 | { | |
700 | thread_info *thr = inferior_thread (); | |
701 | thr->suspend.waitstatus_pending_p = 1; | |
702 | thr->suspend.waitstatus.kind = TARGET_WAITKIND_STOPPED; | |
703 | thr->suspend.waitstatus.value.sig = GDB_SIGNAL_0; | |
704 | } | |
705 | ||
74d1f91e JK |
706 | /* Start the target running. Do not use -1 continuation as it would skip |
707 | breakpoint right at the entry point. */ | |
64ce06e4 | 708 | proceed (regcache_read_pc (get_current_regcache ()), GDB_SIGNAL_0); |
c906108c | 709 | |
29f49a6a PA |
710 | /* Since there was no error, there's no need to finish the thread |
711 | states here. */ | |
712 | discard_cleanups (old_chain); | |
713 | } | |
c906108c | 714 | |
f67a969f JB |
715 | static void |
716 | run_command (char *args, int from_tty) | |
717 | { | |
4e5a4f58 | 718 | run_command_1 (args, from_tty, RUN_NORMAL); |
f67a969f JB |
719 | } |
720 | ||
a4d5f2e0 JB |
721 | /* Start the execution of the program up until the beginning of the main |
722 | program. */ | |
723 | ||
724 | static void | |
725 | start_command (char *args, int from_tty) | |
726 | { | |
727 | /* Some languages such as Ada need to search inside the program | |
728 | minimal symbols for the location where to put the temporary | |
729 | breakpoint before starting. */ | |
730 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 731 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 732 | |
f67a969f | 733 | /* Run the program until reaching the main procedure... */ |
4e5a4f58 JB |
734 | run_command_1 (args, from_tty, RUN_STOP_AT_MAIN); |
735 | } | |
736 | ||
737 | /* Start the execution of the program stopping at the first | |
738 | instruction. */ | |
739 | ||
740 | static void | |
741 | starti_command (char *args, int from_tty) | |
742 | { | |
743 | run_command_1 (args, from_tty, RUN_STOP_AT_FIRST_INSN); | |
a4d5f2e0 JB |
744 | } |
745 | ||
8cae4b3f PA |
746 | static int |
747 | proceed_thread_callback (struct thread_info *thread, void *arg) | |
748 | { | |
74531fed PA |
749 | /* We go through all threads individually instead of compressing |
750 | into a single target `resume_all' request, because some threads | |
751 | may be stopped in internal breakpoints/events, or stopped waiting | |
752 | for its turn in the displaced stepping queue (that is, they are | |
753 | running && !executing). The target side has no idea about why | |
754 | the thread is stopped, so a `resume_all' command would resume too | |
755 | much. If/when GDB gains a way to tell the target `hold this | |
756 | thread stopped until I say otherwise', then we can optimize | |
757 | this. */ | |
4f8d22e3 | 758 | if (!is_stopped (thread->ptid)) |
8cae4b3f PA |
759 | return 0; |
760 | ||
dcf4fbde | 761 | switch_to_thread (thread->ptid); |
70509625 | 762 | clear_proceed_status (0); |
64ce06e4 | 763 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
8cae4b3f PA |
764 | return 0; |
765 | } | |
766 | ||
70221824 | 767 | static void |
d729566a PA |
768 | ensure_valid_thread (void) |
769 | { | |
770 | if (ptid_equal (inferior_ptid, null_ptid) | |
771 | || is_exited (inferior_ptid)) | |
3e43a32a | 772 | error (_("Cannot execute this command without a live selected thread.")); |
d729566a PA |
773 | } |
774 | ||
573cda03 | 775 | /* If the user is looking at trace frames, any resumption of execution |
1777feb0 | 776 | is likely to mix up recorded and live target data. So simply |
573cda03 SS |
777 | disallow those commands. */ |
778 | ||
70221824 | 779 | static void |
573cda03 SS |
780 | ensure_not_tfind_mode (void) |
781 | { | |
782 | if (get_traceframe_number () >= 0) | |
3e43a32a | 783 | error (_("Cannot execute this command while looking at trace frames.")); |
573cda03 SS |
784 | } |
785 | ||
3d3fef6b YQ |
786 | /* Throw an error indicating the current thread is running. */ |
787 | ||
788 | static void | |
789 | error_is_running (void) | |
790 | { | |
791 | error (_("Cannot execute this command while " | |
792 | "the selected thread is running.")); | |
793 | } | |
794 | ||
795 | /* Calls error_is_running if the current thread is running. */ | |
796 | ||
797 | static void | |
798 | ensure_not_running (void) | |
799 | { | |
800 | if (is_running (inferior_ptid)) | |
801 | error_is_running (); | |
802 | } | |
803 | ||
77ebaa5a VP |
804 | void |
805 | continue_1 (int all_threads) | |
806 | { | |
3d488bfc | 807 | ERROR_NO_INFERIOR; |
573cda03 | 808 | ensure_not_tfind_mode (); |
3d488bfc | 809 | |
77ebaa5a VP |
810 | if (non_stop && all_threads) |
811 | { | |
812 | /* Don't error out if the current thread is running, because | |
abbb1732 | 813 | there may be other stopped threads. */ |
77ebaa5a | 814 | |
5ed8105e PA |
815 | /* Backup current thread and selected frame and restore on scope |
816 | exit. */ | |
817 | scoped_restore_current_thread restore_thread; | |
77ebaa5a VP |
818 | |
819 | iterate_over_threads (proceed_thread_callback, NULL); | |
820 | ||
3b12939d | 821 | if (current_ui->prompt_state == PROMPT_BLOCKED) |
0ff33695 PA |
822 | { |
823 | /* If all threads in the target were already running, | |
824 | proceed_thread_callback ends up never calling proceed, | |
825 | and so nothing calls this to put the inferior's terminal | |
826 | settings in effect and remove stdin from the event loop, | |
827 | which we must when running a foreground command. E.g.: | |
828 | ||
829 | (gdb) c -a& | |
830 | Continuing. | |
831 | <all threads are running now> | |
832 | (gdb) c -a | |
833 | Continuing. | |
834 | <no thread was resumed, but the inferior now owns the terminal> | |
835 | */ | |
223ffa71 | 836 | target_terminal::inferior (); |
0ff33695 | 837 | } |
77ebaa5a VP |
838 | } |
839 | else | |
840 | { | |
d729566a | 841 | ensure_valid_thread (); |
77ebaa5a | 842 | ensure_not_running (); |
70509625 | 843 | clear_proceed_status (0); |
64ce06e4 | 844 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
77ebaa5a VP |
845 | } |
846 | } | |
847 | ||
8cae4b3f | 848 | /* continue [-a] [proceed-count] [&] */ |
6339bfc4 | 849 | |
1dd5fedc | 850 | static void |
8cae4b3f | 851 | continue_command (char *args, int from_tty) |
c906108c | 852 | { |
6c4486e6 | 853 | int async_exec; |
8cae4b3f | 854 | int all_threads = 0; |
6c4486e6 PA |
855 | struct cleanup *args_chain; |
856 | ||
c906108c SS |
857 | ERROR_NO_INFERIOR; |
858 | ||
1777feb0 | 859 | /* Find out whether we must run in the background. */ |
6c4486e6 PA |
860 | args = strip_bg_char (args, &async_exec); |
861 | args_chain = make_cleanup (xfree, args); | |
43ff13b4 | 862 | |
8cae4b3f PA |
863 | if (args != NULL) |
864 | { | |
61012eef | 865 | if (startswith (args, "-a")) |
8cae4b3f PA |
866 | { |
867 | all_threads = 1; | |
868 | args += sizeof ("-a") - 1; | |
869 | if (*args == '\0') | |
870 | args = NULL; | |
871 | } | |
872 | } | |
873 | ||
874 | if (!non_stop && all_threads) | |
875 | error (_("`-a' is meaningless in all-stop mode.")); | |
876 | ||
877 | if (args != NULL && all_threads) | |
3e43a32a MS |
878 | error (_("Can't resume all threads and specify " |
879 | "proceed count simultaneously.")); | |
8cae4b3f PA |
880 | |
881 | /* If we have an argument left, set proceed count of breakpoint we | |
882 | stopped at. */ | |
883 | if (args != NULL) | |
c906108c | 884 | { |
347bddb7 | 885 | bpstat bs = NULL; |
8671a17b PA |
886 | int num, stat; |
887 | int stopped = 0; | |
347bddb7 PA |
888 | struct thread_info *tp; |
889 | ||
890 | if (non_stop) | |
e09875d4 | 891 | tp = find_thread_ptid (inferior_ptid); |
347bddb7 PA |
892 | else |
893 | { | |
894 | ptid_t last_ptid; | |
895 | struct target_waitstatus ws; | |
896 | ||
897 | get_last_target_status (&last_ptid, &ws); | |
e09875d4 | 898 | tp = find_thread_ptid (last_ptid); |
347bddb7 PA |
899 | } |
900 | if (tp != NULL) | |
16c381f0 | 901 | bs = tp->control.stop_bpstat; |
8671a17b PA |
902 | |
903 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
904 | if (stat > 0) | |
905 | { | |
906 | set_ignore_count (num, | |
8cae4b3f | 907 | parse_and_eval_long (args) - 1, |
8671a17b PA |
908 | from_tty); |
909 | /* set_ignore_count prints a message ending with a period. | |
910 | So print two spaces before "Continuing.". */ | |
911 | if (from_tty) | |
912 | printf_filtered (" "); | |
913 | stopped = 1; | |
914 | } | |
915 | ||
916 | if (!stopped && from_tty) | |
c906108c SS |
917 | { |
918 | printf_filtered | |
919 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
920 | } | |
c906108c SS |
921 | } |
922 | ||
6c4486e6 PA |
923 | /* Done with ARGS. */ |
924 | do_cleanups (args_chain); | |
925 | ||
3b12939d PA |
926 | ERROR_NO_INFERIOR; |
927 | ensure_not_tfind_mode (); | |
928 | ||
929 | if (!non_stop || !all_threads) | |
930 | { | |
931 | ensure_valid_thread (); | |
932 | ensure_not_running (); | |
933 | } | |
934 | ||
935 | prepare_execution_command (¤t_target, async_exec); | |
936 | ||
c906108c | 937 | if (from_tty) |
a3f17187 | 938 | printf_filtered (_("Continuing.\n")); |
c906108c | 939 | |
77ebaa5a | 940 | continue_1 (all_threads); |
c906108c SS |
941 | } |
942 | \f | |
edb3359d DJ |
943 | /* Record the starting point of a "step" or "next" command. */ |
944 | ||
945 | static void | |
946 | set_step_frame (void) | |
947 | { | |
51abb421 | 948 | frame_info *frame = get_current_frame (); |
edb3359d | 949 | |
51abb421 | 950 | symtab_and_line sal = find_frame_sal (frame); |
64ce06e4 | 951 | set_step_info (frame, sal); |
51abb421 PA |
952 | |
953 | CORE_ADDR pc = get_frame_pc (frame); | |
954 | thread_info *tp = inferior_thread (); | |
64ce06e4 | 955 | tp->control.step_start_function = find_pc_function (pc); |
edb3359d DJ |
956 | } |
957 | ||
c906108c SS |
958 | /* Step until outside of current statement. */ |
959 | ||
c906108c | 960 | static void |
fba45db2 | 961 | step_command (char *count_string, int from_tty) |
c906108c SS |
962 | { |
963 | step_1 (0, 0, count_string); | |
964 | } | |
965 | ||
966 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
967 | ||
c906108c | 968 | static void |
fba45db2 | 969 | next_command (char *count_string, int from_tty) |
c906108c SS |
970 | { |
971 | step_1 (1, 0, count_string); | |
972 | } | |
973 | ||
974 | /* Likewise, but step only one instruction. */ | |
975 | ||
1dd5fedc | 976 | static void |
fba45db2 | 977 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
978 | { |
979 | step_1 (0, 1, count_string); | |
980 | } | |
981 | ||
1dd5fedc | 982 | static void |
fba45db2 | 983 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
984 | { |
985 | step_1 (1, 1, count_string); | |
986 | } | |
987 | ||
186c406b | 988 | void |
611c83ae | 989 | delete_longjmp_breakpoint_cleanup (void *arg) |
74b7792f | 990 | { |
611c83ae PA |
991 | int thread = * (int *) arg; |
992 | delete_longjmp_breakpoint (thread); | |
74b7792f AC |
993 | } |
994 | ||
243a9253 PA |
995 | /* Data for the FSM that manages the step/next/stepi/nexti |
996 | commands. */ | |
997 | ||
998 | struct step_command_fsm | |
999 | { | |
1000 | /* The base class. */ | |
1001 | struct thread_fsm thread_fsm; | |
1002 | ||
1003 | /* How many steps left in a "step N"-like command. */ | |
1004 | int count; | |
1005 | ||
1006 | /* If true, this is a next/nexti, otherwise a step/stepi. */ | |
1007 | int skip_subroutines; | |
1008 | ||
1009 | /* If true, this is a stepi/nexti, otherwise a step/step. */ | |
1010 | int single_inst; | |
243a9253 PA |
1011 | }; |
1012 | ||
8980e177 PA |
1013 | static void step_command_fsm_clean_up (struct thread_fsm *self, |
1014 | struct thread_info *thread); | |
1015 | static int step_command_fsm_should_stop (struct thread_fsm *self, | |
1016 | struct thread_info *thread); | |
243a9253 PA |
1017 | static enum async_reply_reason |
1018 | step_command_fsm_async_reply_reason (struct thread_fsm *self); | |
1019 | ||
1020 | /* step_command_fsm's vtable. */ | |
1021 | ||
1022 | static struct thread_fsm_ops step_command_fsm_ops = | |
1023 | { | |
1024 | NULL, | |
1025 | step_command_fsm_clean_up, | |
1026 | step_command_fsm_should_stop, | |
1027 | NULL, /* return_value */ | |
1028 | step_command_fsm_async_reply_reason, | |
1029 | }; | |
1030 | ||
1031 | /* Allocate a new step_command_fsm. */ | |
1032 | ||
1033 | static struct step_command_fsm * | |
8980e177 | 1034 | new_step_command_fsm (struct interp *cmd_interp) |
243a9253 PA |
1035 | { |
1036 | struct step_command_fsm *sm; | |
1037 | ||
1038 | sm = XCNEW (struct step_command_fsm); | |
8980e177 | 1039 | thread_fsm_ctor (&sm->thread_fsm, &step_command_fsm_ops, cmd_interp); |
243a9253 PA |
1040 | |
1041 | return sm; | |
1042 | } | |
1043 | ||
1044 | /* Prepare for a step/next/etc. command. Any target resource | |
1045 | allocated here is undone in the FSM's clean_up method. */ | |
1046 | ||
1047 | static void | |
1048 | step_command_fsm_prepare (struct step_command_fsm *sm, | |
1049 | int skip_subroutines, int single_inst, | |
1050 | int count, struct thread_info *thread) | |
1051 | { | |
1052 | sm->skip_subroutines = skip_subroutines; | |
1053 | sm->single_inst = single_inst; | |
1054 | sm->count = count; | |
243a9253 PA |
1055 | |
1056 | /* Leave the si command alone. */ | |
1057 | if (!sm->single_inst || sm->skip_subroutines) | |
1058 | set_longjmp_breakpoint (thread, get_frame_id (get_current_frame ())); | |
1059 | ||
1060 | thread->control.stepping_command = 1; | |
1061 | } | |
1062 | ||
1063 | static int prepare_one_step (struct step_command_fsm *sm); | |
1064 | ||
c906108c | 1065 | static void |
fba45db2 | 1066 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 1067 | { |
243a9253 | 1068 | int count; |
6c4486e6 | 1069 | int async_exec; |
6c4486e6 | 1070 | struct cleanup *args_chain; |
243a9253 PA |
1071 | struct thread_info *thr; |
1072 | struct step_command_fsm *step_sm; | |
c5aa993b | 1073 | |
c906108c | 1074 | ERROR_NO_INFERIOR; |
573cda03 | 1075 | ensure_not_tfind_mode (); |
d729566a | 1076 | ensure_valid_thread (); |
94cc34af | 1077 | ensure_not_running (); |
43ff13b4 | 1078 | |
6c4486e6 PA |
1079 | count_string = strip_bg_char (count_string, &async_exec); |
1080 | args_chain = make_cleanup (xfree, count_string); | |
c5aa993b | 1081 | |
8bc2fe48 | 1082 | prepare_execution_command (¤t_target, async_exec); |
43ff13b4 | 1083 | |
bb518678 | 1084 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 1085 | |
6c4486e6 PA |
1086 | /* Done with ARGS. */ |
1087 | do_cleanups (args_chain); | |
1088 | ||
243a9253 | 1089 | clear_proceed_status (1); |
611c83ae | 1090 | |
243a9253 PA |
1091 | /* Setup the execution command state machine to handle all the COUNT |
1092 | steps. */ | |
1093 | thr = inferior_thread (); | |
8980e177 | 1094 | step_sm = new_step_command_fsm (command_interp ()); |
243a9253 | 1095 | thr->thread_fsm = &step_sm->thread_fsm; |
611c83ae | 1096 | |
243a9253 PA |
1097 | step_command_fsm_prepare (step_sm, skip_subroutines, |
1098 | single_inst, count, thr); | |
c2d11a7d | 1099 | |
0b333c5e PA |
1100 | /* Do only one step for now, before returning control to the event |
1101 | loop. Let the continuation figure out how many other steps we | |
1102 | need to do, and handle them one at the time, through | |
1103 | step_once. */ | |
243a9253 PA |
1104 | if (!prepare_one_step (step_sm)) |
1105 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); | |
1106 | else | |
1107 | { | |
3b12939d PA |
1108 | int proceeded; |
1109 | ||
243a9253 PA |
1110 | /* Stepped into an inline frame. Pretend that we've |
1111 | stopped. */ | |
8980e177 | 1112 | thread_fsm_clean_up (thr->thread_fsm, thr); |
3b12939d PA |
1113 | proceeded = normal_stop (); |
1114 | if (!proceeded) | |
1115 | inferior_event_handler (INF_EXEC_COMPLETE, NULL); | |
1116 | all_uis_check_sync_execution_done (); | |
243a9253 | 1117 | } |
c2d11a7d | 1118 | } |
c906108c | 1119 | |
243a9253 PA |
1120 | /* Implementation of the 'should_stop' FSM method for stepping |
1121 | commands. Called after we are done with one step operation, to | |
1122 | check whether we need to step again, before we print the prompt and | |
1123 | return control to the user. If count is > 1, returns false, as we | |
1124 | will need to keep going. */ | |
6339bfc4 | 1125 | |
243a9253 | 1126 | static int |
8980e177 | 1127 | step_command_fsm_should_stop (struct thread_fsm *self, struct thread_info *tp) |
c2d11a7d | 1128 | { |
243a9253 | 1129 | struct step_command_fsm *sm = (struct step_command_fsm *) self; |
f13468d9 | 1130 | |
243a9253 | 1131 | if (tp->control.stop_step) |
f13468d9 | 1132 | { |
243a9253 PA |
1133 | /* There are more steps to make, and we did stop due to |
1134 | ending a stepping range. Do another step. */ | |
1135 | if (--sm->count > 0) | |
1136 | return prepare_one_step (sm); | |
af679fd0 | 1137 | |
243a9253 | 1138 | thread_fsm_set_finished (self); |
f107f563 | 1139 | } |
af679fd0 | 1140 | |
243a9253 | 1141 | return 1; |
c2d11a7d JM |
1142 | } |
1143 | ||
243a9253 | 1144 | /* Implementation of the 'clean_up' FSM method for stepping commands. */ |
37d94800 PA |
1145 | |
1146 | static void | |
8980e177 | 1147 | step_command_fsm_clean_up (struct thread_fsm *self, struct thread_info *thread) |
bfec99b2 | 1148 | { |
243a9253 PA |
1149 | struct step_command_fsm *sm = (struct step_command_fsm *) self; |
1150 | ||
1151 | if (!sm->single_inst || sm->skip_subroutines) | |
8980e177 | 1152 | delete_longjmp_breakpoint (thread->global_num); |
243a9253 PA |
1153 | } |
1154 | ||
1155 | /* Implementation of the 'async_reply_reason' FSM method for stepping | |
1156 | commands. */ | |
1157 | ||
1158 | static enum async_reply_reason | |
1159 | step_command_fsm_async_reply_reason (struct thread_fsm *self) | |
1160 | { | |
1161 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
1162 | } | |
1163 | ||
1164 | /* Prepare for one step in "step N". The actual target resumption is | |
1165 | done by the caller. Return true if we're done and should thus | |
1166 | report a stop to the user. Returns false if the target needs to be | |
1167 | resumed. */ | |
c2d11a7d | 1168 | |
243a9253 PA |
1169 | static int |
1170 | prepare_one_step (struct step_command_fsm *sm) | |
1171 | { | |
1172 | if (sm->count > 0) | |
c906108c | 1173 | { |
243a9253 PA |
1174 | struct frame_info *frame = get_current_frame (); |
1175 | ||
4e1c45ea PA |
1176 | /* Don't assume THREAD is a valid thread id. It is set to -1 if |
1177 | the longjmp breakpoint was not required. Use the | |
1178 | INFERIOR_PTID thread instead, which is the same thread when | |
1179 | THREAD is set. */ | |
1180 | struct thread_info *tp = inferior_thread (); | |
abbb1732 | 1181 | |
edb3359d | 1182 | set_step_frame (); |
c906108c | 1183 | |
243a9253 | 1184 | if (!sm->single_inst) |
c906108c | 1185 | { |
1641cfcc PA |
1186 | CORE_ADDR pc; |
1187 | ||
edb3359d | 1188 | /* Step at an inlined function behaves like "down". */ |
243a9253 | 1189 | if (!sm->skip_subroutines |
edb3359d DJ |
1190 | && inline_skipped_frames (inferior_ptid)) |
1191 | { | |
09cee04b PA |
1192 | ptid_t resume_ptid; |
1193 | ||
1194 | /* Pretend that we've ran. */ | |
1195 | resume_ptid = user_visible_resume_ptid (1); | |
1196 | set_running (resume_ptid, 1); | |
1197 | ||
edb3359d | 1198 | step_into_inline_frame (inferior_ptid); |
243a9253 PA |
1199 | sm->count--; |
1200 | return prepare_one_step (sm); | |
edb3359d DJ |
1201 | } |
1202 | ||
1641cfcc PA |
1203 | pc = get_frame_pc (frame); |
1204 | find_pc_line_pc_range (pc, | |
16c381f0 JK |
1205 | &tp->control.step_range_start, |
1206 | &tp->control.step_range_end); | |
5fbbeb29 | 1207 | |
c1e36e3e PA |
1208 | tp->control.may_range_step = 1; |
1209 | ||
5fbbeb29 | 1210 | /* If we have no line info, switch to stepi mode. */ |
16c381f0 | 1211 | if (tp->control.step_range_end == 0 && step_stop_if_no_debug) |
c1e36e3e PA |
1212 | { |
1213 | tp->control.step_range_start = tp->control.step_range_end = 1; | |
1214 | tp->control.may_range_step = 0; | |
1215 | } | |
16c381f0 | 1216 | else if (tp->control.step_range_end == 0) |
c906108c | 1217 | { |
2c02bd72 | 1218 | const char *name; |
abbb1732 | 1219 | |
1641cfcc | 1220 | if (find_pc_partial_function (pc, &name, |
16c381f0 JK |
1221 | &tp->control.step_range_start, |
1222 | &tp->control.step_range_end) == 0) | |
8a3fe4f8 | 1223 | error (_("Cannot find bounds of current function")); |
c906108c | 1224 | |
223ffa71 | 1225 | target_terminal::ours_for_output (); |
3e43a32a MS |
1226 | printf_filtered (_("Single stepping until exit from function %s," |
1227 | "\nwhich has no line number information.\n"), | |
1228 | name); | |
c906108c SS |
1229 | } |
1230 | } | |
1231 | else | |
1232 | { | |
1233 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
16c381f0 | 1234 | tp->control.step_range_start = tp->control.step_range_end = 1; |
243a9253 | 1235 | if (!sm->skip_subroutines) |
c906108c SS |
1236 | /* It is stepi. |
1237 | Don't step over function calls, not even to functions lacking | |
1238 | line numbers. */ | |
16c381f0 | 1239 | tp->control.step_over_calls = STEP_OVER_NONE; |
c906108c SS |
1240 | } |
1241 | ||
243a9253 | 1242 | if (sm->skip_subroutines) |
16c381f0 | 1243 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1244 | |
243a9253 | 1245 | return 0; |
c906108c | 1246 | } |
243a9253 PA |
1247 | |
1248 | /* Done. */ | |
1249 | thread_fsm_set_finished (&sm->thread_fsm); | |
1250 | return 1; | |
c906108c | 1251 | } |
c2d11a7d | 1252 | |
c906108c SS |
1253 | \f |
1254 | /* Continue program at specified address. */ | |
1255 | ||
1256 | static void | |
fba45db2 | 1257 | jump_command (char *arg, int from_tty) |
c906108c | 1258 | { |
5af949e3 | 1259 | struct gdbarch *gdbarch = get_current_arch (); |
52f0bd74 | 1260 | CORE_ADDR addr; |
c906108c SS |
1261 | struct symbol *fn; |
1262 | struct symbol *sfn; | |
6c4486e6 PA |
1263 | int async_exec; |
1264 | struct cleanup *args_chain; | |
c5aa993b | 1265 | |
c906108c | 1266 | ERROR_NO_INFERIOR; |
573cda03 | 1267 | ensure_not_tfind_mode (); |
d729566a | 1268 | ensure_valid_thread (); |
94cc34af | 1269 | ensure_not_running (); |
c906108c | 1270 | |
1777feb0 | 1271 | /* Find out whether we must run in the background. */ |
6c4486e6 PA |
1272 | arg = strip_bg_char (arg, &async_exec); |
1273 | args_chain = make_cleanup (xfree, arg); | |
43ff13b4 | 1274 | |
8bc2fe48 | 1275 | prepare_execution_command (¤t_target, async_exec); |
43ff13b4 | 1276 | |
c906108c | 1277 | if (!arg) |
e2e0b3e5 | 1278 | error_no_arg (_("starting address")); |
c906108c | 1279 | |
6c5b2ebe PA |
1280 | std::vector<symtab_and_line> sals |
1281 | = decode_line_with_last_displayed (arg, DECODE_LINE_FUNFIRSTLINE); | |
1282 | if (sals.size () != 1) | |
1283 | error (_("Unreasonable jump request")); | |
c906108c | 1284 | |
6c4486e6 PA |
1285 | /* Done with ARGS. */ |
1286 | do_cleanups (args_chain); | |
1287 | ||
6c5b2ebe PA |
1288 | symtab_and_line &sal = sals[0]; |
1289 | ||
c906108c | 1290 | if (sal.symtab == 0 && sal.pc == 0) |
8a3fe4f8 | 1291 | error (_("No source file has been specified.")); |
c906108c | 1292 | |
1777feb0 | 1293 | resolve_sal_pc (&sal); /* May error out. */ |
c906108c | 1294 | |
1777feb0 | 1295 | /* See if we are trying to jump to another function. */ |
c906108c SS |
1296 | fn = get_frame_function (get_current_frame ()); |
1297 | sfn = find_pc_function (sal.pc); | |
1298 | if (fn != NULL && sfn != fn) | |
1299 | { | |
9e2f0ad4 | 1300 | if (!query (_("Line %d is not in `%s'. Jump anyway? "), sal.line, |
de5ad195 | 1301 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 1302 | { |
8a3fe4f8 | 1303 | error (_("Not confirmed.")); |
c906108c SS |
1304 | /* NOTREACHED */ |
1305 | } | |
1306 | } | |
1307 | ||
c5aa993b | 1308 | if (sfn != NULL) |
c906108c | 1309 | { |
253342b8 DE |
1310 | struct obj_section *section; |
1311 | ||
c906108c | 1312 | fixup_symbol_section (sfn, 0); |
08be3fe3 | 1313 | section = SYMBOL_OBJ_SECTION (symbol_objfile (sfn), sfn); |
253342b8 DE |
1314 | if (section_is_overlay (section) |
1315 | && !section_is_mapped (section)) | |
c906108c | 1316 | { |
3e43a32a MS |
1317 | if (!query (_("WARNING!!! Destination is in " |
1318 | "unmapped overlay! Jump anyway? "))) | |
c906108c | 1319 | { |
8a3fe4f8 | 1320 | error (_("Not confirmed.")); |
c906108c SS |
1321 | /* NOTREACHED */ |
1322 | } | |
1323 | } | |
1324 | } | |
1325 | ||
c906108c SS |
1326 | addr = sal.pc; |
1327 | ||
1328 | if (from_tty) | |
1329 | { | |
a3f17187 | 1330 | printf_filtered (_("Continuing at ")); |
5af949e3 | 1331 | fputs_filtered (paddress (gdbarch, addr), gdb_stdout); |
c906108c SS |
1332 | printf_filtered (".\n"); |
1333 | } | |
1334 | ||
70509625 | 1335 | clear_proceed_status (0); |
64ce06e4 | 1336 | proceed (addr, GDB_SIGNAL_0); |
c906108c | 1337 | } |
c906108c | 1338 | \f |
c906108c SS |
1339 | /* Continue program giving it specified signal. */ |
1340 | ||
1341 | static void | |
fba45db2 | 1342 | signal_command (char *signum_exp, int from_tty) |
c906108c | 1343 | { |
2ea28649 | 1344 | enum gdb_signal oursig; |
6c4486e6 PA |
1345 | int async_exec; |
1346 | struct cleanup *args_chain; | |
c906108c SS |
1347 | |
1348 | dont_repeat (); /* Too dangerous. */ | |
1349 | ERROR_NO_INFERIOR; | |
573cda03 | 1350 | ensure_not_tfind_mode (); |
d729566a | 1351 | ensure_valid_thread (); |
94cc34af | 1352 | ensure_not_running (); |
c906108c | 1353 | |
32c1e744 | 1354 | /* Find out whether we must run in the background. */ |
6c4486e6 PA |
1355 | signum_exp = strip_bg_char (signum_exp, &async_exec); |
1356 | args_chain = make_cleanup (xfree, signum_exp); | |
32c1e744 | 1357 | |
8bc2fe48 | 1358 | prepare_execution_command (¤t_target, async_exec); |
32c1e744 | 1359 | |
c906108c | 1360 | if (!signum_exp) |
e2e0b3e5 | 1361 | error_no_arg (_("signal number")); |
c906108c SS |
1362 | |
1363 | /* It would be even slicker to make signal names be valid expressions, | |
1364 | (the type could be "enum $signal" or some such), then the user could | |
1365 | assign them to convenience variables. */ | |
2ea28649 | 1366 | oursig = gdb_signal_from_name (signum_exp); |
c906108c | 1367 | |
a493e3e2 | 1368 | if (oursig == GDB_SIGNAL_UNKNOWN) |
c906108c SS |
1369 | { |
1370 | /* No, try numeric. */ | |
bb518678 | 1371 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1372 | |
1373 | if (num == 0) | |
a493e3e2 | 1374 | oursig = GDB_SIGNAL_0; |
c906108c | 1375 | else |
2ea28649 | 1376 | oursig = gdb_signal_from_command (num); |
c906108c SS |
1377 | } |
1378 | ||
c6343a91 JK |
1379 | do_cleanups (args_chain); |
1380 | ||
70509625 PA |
1381 | /* Look for threads other than the current that this command ends up |
1382 | resuming too (due to schedlock off), and warn if they'll get a | |
1383 | signal delivered. "signal 0" is used to suppress a previous | |
1384 | signal, but if the current thread is no longer the one that got | |
1385 | the signal, then the user is potentially suppressing the signal | |
1386 | of the wrong thread. */ | |
1387 | if (!non_stop) | |
1388 | { | |
1389 | struct thread_info *tp; | |
1390 | ptid_t resume_ptid; | |
1391 | int must_confirm = 0; | |
1392 | ||
1393 | /* This indicates what will be resumed. Either a single thread, | |
1394 | a whole process, or all threads of all processes. */ | |
1395 | resume_ptid = user_visible_resume_ptid (0); | |
1396 | ||
1397 | ALL_NON_EXITED_THREADS (tp) | |
1398 | { | |
1399 | if (ptid_equal (tp->ptid, inferior_ptid)) | |
1400 | continue; | |
1401 | if (!ptid_match (tp->ptid, resume_ptid)) | |
1402 | continue; | |
1403 | ||
1404 | if (tp->suspend.stop_signal != GDB_SIGNAL_0 | |
1405 | && signal_pass_state (tp->suspend.stop_signal)) | |
1406 | { | |
1407 | if (!must_confirm) | |
1408 | printf_unfiltered (_("Note:\n")); | |
43792cf0 PA |
1409 | printf_unfiltered (_(" Thread %s previously stopped with signal %s, %s.\n"), |
1410 | print_thread_id (tp), | |
70509625 PA |
1411 | gdb_signal_to_name (tp->suspend.stop_signal), |
1412 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
1413 | must_confirm = 1; | |
1414 | } | |
1415 | } | |
1416 | ||
1417 | if (must_confirm | |
43792cf0 | 1418 | && !query (_("Continuing thread %s (the current thread) with specified signal will\n" |
70509625 PA |
1419 | "still deliver the signals noted above to their respective threads.\n" |
1420 | "Continue anyway? "), | |
43792cf0 | 1421 | print_thread_id (inferior_thread ()))) |
70509625 PA |
1422 | error (_("Not confirmed.")); |
1423 | } | |
1424 | ||
c906108c SS |
1425 | if (from_tty) |
1426 | { | |
a493e3e2 | 1427 | if (oursig == GDB_SIGNAL_0) |
a3f17187 | 1428 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1429 | else |
a3f17187 | 1430 | printf_filtered (_("Continuing with signal %s.\n"), |
2ea28649 | 1431 | gdb_signal_to_name (oursig)); |
c906108c SS |
1432 | } |
1433 | ||
70509625 | 1434 | clear_proceed_status (0); |
64ce06e4 | 1435 | proceed ((CORE_ADDR) -1, oursig); |
c906108c SS |
1436 | } |
1437 | ||
81219e53 DE |
1438 | /* Queue a signal to be delivered to the current thread. */ |
1439 | ||
1440 | static void | |
1441 | queue_signal_command (char *signum_exp, int from_tty) | |
1442 | { | |
1443 | enum gdb_signal oursig; | |
1444 | struct thread_info *tp; | |
1445 | ||
1446 | ERROR_NO_INFERIOR; | |
1447 | ensure_not_tfind_mode (); | |
1448 | ensure_valid_thread (); | |
1449 | ensure_not_running (); | |
1450 | ||
1451 | if (signum_exp == NULL) | |
1452 | error_no_arg (_("signal number")); | |
1453 | ||
1454 | /* It would be even slicker to make signal names be valid expressions, | |
1455 | (the type could be "enum $signal" or some such), then the user could | |
1456 | assign them to convenience variables. */ | |
1457 | oursig = gdb_signal_from_name (signum_exp); | |
1458 | ||
1459 | if (oursig == GDB_SIGNAL_UNKNOWN) | |
1460 | { | |
1461 | /* No, try numeric. */ | |
1462 | int num = parse_and_eval_long (signum_exp); | |
1463 | ||
1464 | if (num == 0) | |
1465 | oursig = GDB_SIGNAL_0; | |
1466 | else | |
1467 | oursig = gdb_signal_from_command (num); | |
1468 | } | |
1469 | ||
1470 | if (oursig != GDB_SIGNAL_0 | |
1471 | && !signal_pass_state (oursig)) | |
1472 | error (_("Signal handling set to not pass this signal to the program.")); | |
1473 | ||
1474 | tp = inferior_thread (); | |
1475 | tp->suspend.stop_signal = oursig; | |
1476 | } | |
1477 | ||
cfc31633 PA |
1478 | /* Data for the FSM that manages the until (with no argument) |
1479 | command. */ | |
1480 | ||
1481 | struct until_next_fsm | |
fa4cd53f | 1482 | { |
cfc31633 PA |
1483 | /* The base class. */ |
1484 | struct thread_fsm thread_fsm; | |
1485 | ||
1486 | /* The thread that as current when the command was executed. */ | |
fa4cd53f PA |
1487 | int thread; |
1488 | }; | |
1489 | ||
8980e177 PA |
1490 | static int until_next_fsm_should_stop (struct thread_fsm *self, |
1491 | struct thread_info *thread); | |
1492 | static void until_next_fsm_clean_up (struct thread_fsm *self, | |
1493 | struct thread_info *thread); | |
cfc31633 PA |
1494 | static enum async_reply_reason |
1495 | until_next_fsm_async_reply_reason (struct thread_fsm *self); | |
1496 | ||
1497 | /* until_next_fsm's vtable. */ | |
1498 | ||
1499 | static struct thread_fsm_ops until_next_fsm_ops = | |
1500 | { | |
1501 | NULL, /* dtor */ | |
1502 | until_next_fsm_clean_up, | |
1503 | until_next_fsm_should_stop, | |
1504 | NULL, /* return_value */ | |
1505 | until_next_fsm_async_reply_reason, | |
1506 | }; | |
1507 | ||
1508 | /* Allocate a new until_next_fsm. */ | |
1509 | ||
1510 | static struct until_next_fsm * | |
8980e177 | 1511 | new_until_next_fsm (struct interp *cmd_interp, int thread) |
cfc31633 PA |
1512 | { |
1513 | struct until_next_fsm *sm; | |
1514 | ||
1515 | sm = XCNEW (struct until_next_fsm); | |
8980e177 | 1516 | thread_fsm_ctor (&sm->thread_fsm, &until_next_fsm_ops, cmd_interp); |
cfc31633 PA |
1517 | |
1518 | sm->thread = thread; | |
1519 | ||
1520 | return sm; | |
1521 | } | |
1522 | ||
1523 | /* Implementation of the 'should_stop' FSM method for the until (with | |
1524 | no arg) command. */ | |
1525 | ||
1526 | static int | |
8980e177 PA |
1527 | until_next_fsm_should_stop (struct thread_fsm *self, |
1528 | struct thread_info *tp) | |
cfc31633 | 1529 | { |
cfc31633 PA |
1530 | if (tp->control.stop_step) |
1531 | thread_fsm_set_finished (self); | |
1532 | ||
1533 | return 1; | |
1534 | } | |
1535 | ||
1536 | /* Implementation of the 'clean_up' FSM method for the until (with no | |
1537 | arg) command. */ | |
186c406b TT |
1538 | |
1539 | static void | |
8980e177 | 1540 | until_next_fsm_clean_up (struct thread_fsm *self, struct thread_info *thread) |
186c406b | 1541 | { |
cfc31633 | 1542 | struct until_next_fsm *sm = (struct until_next_fsm *) self; |
186c406b | 1543 | |
8980e177 | 1544 | delete_longjmp_breakpoint (thread->global_num); |
cfc31633 PA |
1545 | } |
1546 | ||
1547 | /* Implementation of the 'async_reply_reason' FSM method for the until | |
1548 | (with no arg) command. */ | |
1549 | ||
1550 | static enum async_reply_reason | |
1551 | until_next_fsm_async_reply_reason (struct thread_fsm *self) | |
1552 | { | |
1553 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
186c406b TT |
1554 | } |
1555 | ||
c906108c SS |
1556 | /* Proceed until we reach a different source line with pc greater than |
1557 | our current one or exit the function. We skip calls in both cases. | |
1558 | ||
1559 | Note that eventually this command should probably be changed so | |
1560 | that only source lines are printed out when we hit the breakpoint | |
1561 | we set. This may involve changes to wait_for_inferior and the | |
1562 | proceed status code. */ | |
1563 | ||
c906108c | 1564 | static void |
fba45db2 | 1565 | until_next_command (int from_tty) |
c906108c SS |
1566 | { |
1567 | struct frame_info *frame; | |
1568 | CORE_ADDR pc; | |
1569 | struct symbol *func; | |
1570 | struct symtab_and_line sal; | |
4e1c45ea | 1571 | struct thread_info *tp = inferior_thread (); |
5d5658a1 | 1572 | int thread = tp->global_num; |
186c406b | 1573 | struct cleanup *old_chain; |
cfc31633 | 1574 | struct until_next_fsm *sm; |
c5aa993b | 1575 | |
70509625 | 1576 | clear_proceed_status (0); |
edb3359d | 1577 | set_step_frame (); |
c906108c SS |
1578 | |
1579 | frame = get_current_frame (); | |
1580 | ||
1581 | /* Step until either exited from this function or greater | |
1582 | than the current line (if in symbolic section) or pc (if | |
1777feb0 | 1583 | not). */ |
c906108c | 1584 | |
1c7819ef | 1585 | pc = get_frame_pc (frame); |
c906108c | 1586 | func = find_pc_function (pc); |
c5aa993b | 1587 | |
c906108c SS |
1588 | if (!func) |
1589 | { | |
7cbd4a93 | 1590 | struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (pc); |
c5aa993b | 1591 | |
7cbd4a93 | 1592 | if (msymbol.minsym == NULL) |
8a3fe4f8 | 1593 | error (_("Execution is not within a known function.")); |
c5aa993b | 1594 | |
77e371c0 | 1595 | tp->control.step_range_start = BMSYMBOL_VALUE_ADDRESS (msymbol); |
7e09a223 YQ |
1596 | /* The upper-bound of step_range is exclusive. In order to make PC |
1597 | within the range, set the step_range_end with PC + 1. */ | |
1598 | tp->control.step_range_end = pc + 1; | |
c906108c SS |
1599 | } |
1600 | else | |
1601 | { | |
1602 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1603 | |
16c381f0 JK |
1604 | tp->control.step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1605 | tp->control.step_range_end = sal.end; | |
c906108c | 1606 | } |
c1e36e3e | 1607 | tp->control.may_range_step = 1; |
c5aa993b | 1608 | |
16c381f0 | 1609 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1610 | |
186c406b TT |
1611 | set_longjmp_breakpoint (tp, get_frame_id (frame)); |
1612 | old_chain = make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); | |
1613 | ||
8980e177 | 1614 | sm = new_until_next_fsm (command_interp (), tp->global_num); |
cfc31633 PA |
1615 | tp->thread_fsm = &sm->thread_fsm; |
1616 | discard_cleanups (old_chain); | |
fa4cd53f | 1617 | |
cfc31633 | 1618 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
c906108c SS |
1619 | } |
1620 | ||
c5aa993b | 1621 | static void |
fba45db2 | 1622 | until_command (char *arg, int from_tty) |
c906108c | 1623 | { |
6c4486e6 PA |
1624 | int async_exec; |
1625 | struct cleanup *args_chain; | |
43ff13b4 | 1626 | |
4247603b | 1627 | ERROR_NO_INFERIOR; |
573cda03 | 1628 | ensure_not_tfind_mode (); |
4247603b PA |
1629 | ensure_valid_thread (); |
1630 | ensure_not_running (); | |
573cda03 | 1631 | |
1777feb0 | 1632 | /* Find out whether we must run in the background. */ |
6c4486e6 PA |
1633 | arg = strip_bg_char (arg, &async_exec); |
1634 | args_chain = make_cleanup (xfree, arg); | |
43ff13b4 | 1635 | |
8bc2fe48 | 1636 | prepare_execution_command (¤t_target, async_exec); |
43ff13b4 | 1637 | |
c906108c | 1638 | if (arg) |
ae66c1fc | 1639 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1640 | else |
1641 | until_next_command (from_tty); | |
6c4486e6 PA |
1642 | |
1643 | /* Done with ARGS. */ | |
1644 | do_cleanups (args_chain); | |
c906108c | 1645 | } |
ae66c1fc EZ |
1646 | |
1647 | static void | |
1648 | advance_command (char *arg, int from_tty) | |
1649 | { | |
6c4486e6 PA |
1650 | int async_exec; |
1651 | struct cleanup *args_chain; | |
ae66c1fc | 1652 | |
4247603b | 1653 | ERROR_NO_INFERIOR; |
573cda03 | 1654 | ensure_not_tfind_mode (); |
4247603b PA |
1655 | ensure_valid_thread (); |
1656 | ensure_not_running (); | |
573cda03 | 1657 | |
ae66c1fc | 1658 | if (arg == NULL) |
e2e0b3e5 | 1659 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1660 | |
1661 | /* Find out whether we must run in the background. */ | |
6c4486e6 PA |
1662 | arg = strip_bg_char (arg, &async_exec); |
1663 | args_chain = make_cleanup (xfree, arg); | |
ae66c1fc | 1664 | |
8bc2fe48 | 1665 | prepare_execution_command (¤t_target, async_exec); |
ae66c1fc EZ |
1666 | |
1667 | until_break_command (arg, from_tty, 1); | |
6c4486e6 PA |
1668 | |
1669 | /* Done with ARGS. */ | |
1670 | do_cleanups (args_chain); | |
ae66c1fc | 1671 | } |
c906108c | 1672 | \f |
cc72b2a2 | 1673 | /* Return the value of the result of a function at the end of a 'finish' |
8a6c4031 JK |
1674 | command/BP. DTOR_DATA (if not NULL) can represent inferior registers |
1675 | right after an inferior call has finished. */ | |
f941662f | 1676 | |
cc72b2a2 | 1677 | struct value * |
0700e23e | 1678 | get_return_value (struct value *function, struct type *value_type) |
11cf8741 | 1679 | { |
07495424 YQ |
1680 | regcache stop_regs (regcache::readonly, *get_current_regcache ()); |
1681 | struct gdbarch *gdbarch = stop_regs.arch (); | |
44e5158b AC |
1682 | struct value *value; |
1683 | ||
f168693b | 1684 | value_type = check_typedef (value_type); |
44e5158b | 1685 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1686 | |
92ad9cd9 AC |
1687 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1688 | call, it's possible (with no help from the architecture vector) | |
1689 | to locate and return/print a "struct return" value. This is just | |
7a9dd1b2 | 1690 | a more complicated case of what is already being done in the |
92ad9cd9 AC |
1691 | inferior function call code. In fact, when inferior function |
1692 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1693 | |
6a3a010b | 1694 | switch (gdbarch_return_value (gdbarch, function, value_type, |
c055b101 | 1695 | NULL, NULL, NULL)) |
44e5158b | 1696 | { |
750eb019 AC |
1697 | case RETURN_VALUE_REGISTER_CONVENTION: |
1698 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1699 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1700 | value = allocate_value (value_type); |
07495424 | 1701 | gdbarch_return_value (gdbarch, function, value_type, &stop_regs, |
990a07ab | 1702 | value_contents_raw (value), NULL); |
750eb019 AC |
1703 | break; |
1704 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1705 | value = NULL; | |
1706 | break; | |
1707 | default: | |
e2e0b3e5 | 1708 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1709 | } |
bb472c1e | 1710 | |
cc72b2a2 KP |
1711 | return value; |
1712 | } | |
1713 | ||
243a9253 PA |
1714 | /* The captured function return value/type and its position in the |
1715 | value history. */ | |
cc72b2a2 | 1716 | |
243a9253 | 1717 | struct return_value_info |
cc72b2a2 | 1718 | { |
243a9253 PA |
1719 | /* The captured return value. May be NULL if we weren't able to |
1720 | retrieve it. See get_return_value. */ | |
1721 | struct value *value; | |
1722 | ||
1723 | /* The return type. In some cases, we'll not be able extract the | |
1724 | return value, but we always know the type. */ | |
1725 | struct type *type; | |
1726 | ||
1727 | /* If we captured a value, this is the value history index. */ | |
1728 | int value_history_index; | |
1729 | }; | |
1730 | ||
1731 | /* Helper for print_return_value. */ | |
cc72b2a2 | 1732 | |
243a9253 PA |
1733 | static void |
1734 | print_return_value_1 (struct ui_out *uiout, struct return_value_info *rv) | |
1735 | { | |
1736 | if (rv->value != NULL) | |
31db7b6c | 1737 | { |
79a45b7d TT |
1738 | struct value_print_options opts; |
1739 | ||
31db7b6c | 1740 | /* Print it. */ |
112e8700 SM |
1741 | uiout->text ("Value returned is "); |
1742 | uiout->field_fmt ("gdb-result-var", "$%d", | |
d7e74731 | 1743 | rv->value_history_index); |
112e8700 | 1744 | uiout->text (" = "); |
2a998fc0 | 1745 | get_no_prettyformat_print_options (&opts); |
d7e74731 PA |
1746 | |
1747 | string_file stb; | |
1748 | ||
1749 | value_print (rv->value, &stb, &opts); | |
112e8700 SM |
1750 | uiout->field_stream ("return-value", stb); |
1751 | uiout->text ("\n"); | |
31db7b6c MK |
1752 | } |
1753 | else | |
1754 | { | |
2f408ecb | 1755 | std::string type_name = type_to_string (rv->type); |
112e8700 SM |
1756 | uiout->text ("Value returned has type: "); |
1757 | uiout->field_string ("return-type", type_name.c_str ()); | |
1758 | uiout->text ("."); | |
1759 | uiout->text (" Cannot determine contents\n"); | |
31db7b6c | 1760 | } |
11cf8741 JM |
1761 | } |
1762 | ||
243a9253 PA |
1763 | /* Print the result of a function at the end of a 'finish' command. |
1764 | RV points at an object representing the captured return value/type | |
1765 | and its position in the value history. */ | |
1766 | ||
1767 | void | |
1768 | print_return_value (struct ui_out *uiout, struct return_value_info *rv) | |
1769 | { | |
1770 | if (rv->type == NULL || TYPE_CODE (rv->type) == TYPE_CODE_VOID) | |
1771 | return; | |
1772 | ||
1773 | TRY | |
1774 | { | |
1775 | /* print_return_value_1 can throw an exception in some | |
1776 | circumstances. We need to catch this so that we still | |
1777 | delete the breakpoint. */ | |
1778 | print_return_value_1 (uiout, rv); | |
1779 | } | |
1780 | CATCH (ex, RETURN_MASK_ALL) | |
1781 | { | |
1782 | exception_print (gdb_stdout, ex); | |
1783 | } | |
1784 | END_CATCH | |
1785 | } | |
1786 | ||
1787 | /* Data for the FSM that manages the finish command. */ | |
f941662f | 1788 | |
243a9253 | 1789 | struct finish_command_fsm |
43ff13b4 | 1790 | { |
243a9253 PA |
1791 | /* The base class. */ |
1792 | struct thread_fsm thread_fsm; | |
1793 | ||
243a9253 PA |
1794 | /* The momentary breakpoint set at the function's return address in |
1795 | the caller. */ | |
43ff13b4 | 1796 | struct breakpoint *breakpoint; |
243a9253 PA |
1797 | |
1798 | /* The function that we're stepping out of. */ | |
bfec99b2 | 1799 | struct symbol *function; |
8a6c4031 | 1800 | |
243a9253 PA |
1801 | /* If the FSM finishes successfully, this stores the function's |
1802 | return value. */ | |
1803 | struct return_value_info return_value; | |
bfec99b2 | 1804 | }; |
c5aa993b | 1805 | |
8980e177 PA |
1806 | static int finish_command_fsm_should_stop (struct thread_fsm *self, |
1807 | struct thread_info *thread); | |
1808 | static void finish_command_fsm_clean_up (struct thread_fsm *self, | |
1809 | struct thread_info *thread); | |
243a9253 PA |
1810 | static struct return_value_info * |
1811 | finish_command_fsm_return_value (struct thread_fsm *self); | |
1812 | static enum async_reply_reason | |
1813 | finish_command_fsm_async_reply_reason (struct thread_fsm *self); | |
1814 | ||
1815 | /* finish_command_fsm's vtable. */ | |
1816 | ||
1817 | static struct thread_fsm_ops finish_command_fsm_ops = | |
1818 | { | |
1819 | NULL, /* dtor */ | |
1820 | finish_command_fsm_clean_up, | |
1821 | finish_command_fsm_should_stop, | |
1822 | finish_command_fsm_return_value, | |
1823 | finish_command_fsm_async_reply_reason, | |
8980e177 | 1824 | NULL, /* should_notify_stop */ |
243a9253 PA |
1825 | }; |
1826 | ||
1827 | /* Allocate a new finish_command_fsm. */ | |
1828 | ||
1829 | static struct finish_command_fsm * | |
8980e177 | 1830 | new_finish_command_fsm (struct interp *cmd_interp) |
bfec99b2 | 1831 | { |
243a9253 PA |
1832 | struct finish_command_fsm *sm; |
1833 | ||
1834 | sm = XCNEW (struct finish_command_fsm); | |
8980e177 | 1835 | thread_fsm_ctor (&sm->thread_fsm, &finish_command_fsm_ops, cmd_interp); |
243a9253 PA |
1836 | |
1837 | return sm; | |
1838 | } | |
347bddb7 | 1839 | |
243a9253 PA |
1840 | /* Implementation of the 'should_stop' FSM method for the finish |
1841 | commands. Detects whether the thread stepped out of the function | |
1842 | successfully, and if so, captures the function's return value and | |
1843 | marks the FSM finished. */ | |
1844 | ||
1845 | static int | |
8980e177 PA |
1846 | finish_command_fsm_should_stop (struct thread_fsm *self, |
1847 | struct thread_info *tp) | |
243a9253 PA |
1848 | { |
1849 | struct finish_command_fsm *f = (struct finish_command_fsm *) self; | |
1850 | struct return_value_info *rv = &f->return_value; | |
243a9253 PA |
1851 | |
1852 | if (f->function != NULL | |
1853 | && bpstat_find_breakpoint (tp->control.stop_bpstat, | |
1854 | f->breakpoint) != NULL) | |
43ff13b4 | 1855 | { |
243a9253 PA |
1856 | /* We're done. */ |
1857 | thread_fsm_set_finished (self); | |
bfec99b2 | 1858 | |
243a9253 PA |
1859 | rv->type = TYPE_TARGET_TYPE (SYMBOL_TYPE (f->function)); |
1860 | if (rv->type == NULL) | |
1861 | internal_error (__FILE__, __LINE__, | |
1862 | _("finish_command: function has no target type")); | |
f5871ec0 | 1863 | |
243a9253 | 1864 | if (TYPE_CODE (rv->type) != TYPE_CODE_VOID) |
40c549d6 | 1865 | { |
243a9253 PA |
1866 | struct value *func; |
1867 | ||
1868 | func = read_var_value (f->function, NULL, get_current_frame ()); | |
0700e23e | 1869 | rv->value = get_return_value (func, rv->type); |
aca20ec4 KB |
1870 | if (rv->value != NULL) |
1871 | rv->value_history_index = record_latest_value (rv->value); | |
243a9253 PA |
1872 | } |
1873 | } | |
1874 | else if (tp->control.stop_step) | |
1875 | { | |
1876 | /* Finishing from an inline frame, or reverse finishing. In | |
1877 | either case, there's no way to retrieve the return value. */ | |
1878 | thread_fsm_set_finished (self); | |
1879 | } | |
fa4cd53f | 1880 | |
243a9253 PA |
1881 | return 1; |
1882 | } | |
40c549d6 | 1883 | |
243a9253 PA |
1884 | /* Implementation of the 'clean_up' FSM method for the finish |
1885 | commands. */ | |
fa4cd53f | 1886 | |
243a9253 | 1887 | static void |
8980e177 PA |
1888 | finish_command_fsm_clean_up (struct thread_fsm *self, |
1889 | struct thread_info *thread) | |
243a9253 PA |
1890 | { |
1891 | struct finish_command_fsm *f = (struct finish_command_fsm *) self; | |
fa4cd53f | 1892 | |
243a9253 PA |
1893 | if (f->breakpoint != NULL) |
1894 | { | |
1895 | delete_breakpoint (f->breakpoint); | |
1896 | f->breakpoint = NULL; | |
43ff13b4 | 1897 | } |
8980e177 | 1898 | delete_longjmp_breakpoint (thread->global_num); |
243a9253 | 1899 | } |
f941662f | 1900 | |
243a9253 PA |
1901 | /* Implementation of the 'return_value' FSM method for the finish |
1902 | commands. */ | |
1903 | ||
1904 | static struct return_value_info * | |
1905 | finish_command_fsm_return_value (struct thread_fsm *self) | |
1906 | { | |
1907 | struct finish_command_fsm *f = (struct finish_command_fsm *) self; | |
1908 | ||
1909 | return &f->return_value; | |
43ff13b4 JM |
1910 | } |
1911 | ||
243a9253 PA |
1912 | /* Implementation of the 'async_reply_reason' FSM method for the |
1913 | finish commands. */ | |
1914 | ||
1915 | static enum async_reply_reason | |
1916 | finish_command_fsm_async_reply_reason (struct thread_fsm *self) | |
604ead4a | 1917 | { |
243a9253 PA |
1918 | if (execution_direction == EXEC_REVERSE) |
1919 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
1920 | else | |
1921 | return EXEC_ASYNC_FUNCTION_FINISHED; | |
604ead4a PA |
1922 | } |
1923 | ||
b2175913 MS |
1924 | /* finish_backward -- helper function for finish_command. */ |
1925 | ||
1926 | static void | |
243a9253 | 1927 | finish_backward (struct finish_command_fsm *sm) |
b2175913 MS |
1928 | { |
1929 | struct symtab_and_line sal; | |
1930 | struct thread_info *tp = inferior_thread (); | |
1c7819ef | 1931 | CORE_ADDR pc; |
b2175913 | 1932 | CORE_ADDR func_addr; |
b2175913 | 1933 | |
1c7819ef PA |
1934 | pc = get_frame_pc (get_current_frame ()); |
1935 | ||
1936 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL) == 0) | |
1f267ae3 | 1937 | error (_("Cannot find bounds of current function")); |
b2175913 MS |
1938 | |
1939 | sal = find_pc_line (func_addr, 0); | |
1940 | ||
9da8c2a0 | 1941 | tp->control.proceed_to_finish = 1; |
b2175913 MS |
1942 | /* Special case: if we're sitting at the function entry point, |
1943 | then all we need to do is take a reverse singlestep. We | |
1944 | don't need to set a breakpoint, and indeed it would do us | |
1945 | no good to do so. | |
1946 | ||
1947 | Note that this can only happen at frame #0, since there's | |
1948 | no way that a function up the stack can have a return address | |
1949 | that's equal to its entry point. */ | |
1950 | ||
1c7819ef | 1951 | if (sal.pc != pc) |
b2175913 | 1952 | { |
a6d9a66e UW |
1953 | struct frame_info *frame = get_selected_frame (NULL); |
1954 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
9da8c2a0 PA |
1955 | |
1956 | /* Set a step-resume at the function's entry point. Once that's | |
1957 | hit, we'll do one more step backwards. */ | |
51abb421 | 1958 | symtab_and_line sr_sal; |
9da8c2a0 PA |
1959 | sr_sal.pc = sal.pc; |
1960 | sr_sal.pspace = get_frame_program_space (frame); | |
1961 | insert_step_resume_breakpoint_at_sal (gdbarch, | |
1962 | sr_sal, null_frame_id); | |
a6d9a66e | 1963 | |
64ce06e4 | 1964 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 MS |
1965 | } |
1966 | else | |
b2175913 | 1967 | { |
9da8c2a0 PA |
1968 | /* We're almost there -- we just need to back up by one more |
1969 | single-step. */ | |
16c381f0 | 1970 | tp->control.step_range_start = tp->control.step_range_end = 1; |
64ce06e4 | 1971 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 | 1972 | } |
b2175913 MS |
1973 | } |
1974 | ||
243a9253 PA |
1975 | /* finish_forward -- helper function for finish_command. FRAME is the |
1976 | frame that called the function we're about to step out of. */ | |
b2175913 MS |
1977 | |
1978 | static void | |
243a9253 | 1979 | finish_forward (struct finish_command_fsm *sm, struct frame_info *frame) |
b2175913 | 1980 | { |
def166f6 | 1981 | struct frame_id frame_id = get_frame_id (frame); |
a6d9a66e | 1982 | struct gdbarch *gdbarch = get_frame_arch (frame); |
b2175913 MS |
1983 | struct symtab_and_line sal; |
1984 | struct thread_info *tp = inferior_thread (); | |
b2175913 MS |
1985 | |
1986 | sal = find_pc_line (get_frame_pc (frame), 0); | |
1987 | sal.pc = get_frame_pc (frame); | |
1988 | ||
243a9253 PA |
1989 | sm->breakpoint = set_momentary_breakpoint (gdbarch, sal, |
1990 | get_stack_frame_id (frame), | |
1991 | bp_finish); | |
b2175913 | 1992 | |
c70a6932 JK |
1993 | /* set_momentary_breakpoint invalidates FRAME. */ |
1994 | frame = NULL; | |
1995 | ||
def166f6 | 1996 | set_longjmp_breakpoint (tp, frame_id); |
186c406b | 1997 | |
46c03469 | 1998 | /* We want to print return value, please... */ |
16c381f0 | 1999 | tp->control.proceed_to_finish = 1; |
b2175913 | 2000 | |
243a9253 | 2001 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 MS |
2002 | } |
2003 | ||
e3b5daf9 MM |
2004 | /* Skip frames for "finish". */ |
2005 | ||
2006 | static struct frame_info * | |
2007 | skip_finish_frames (struct frame_info *frame) | |
2008 | { | |
2009 | struct frame_info *start; | |
2010 | ||
2011 | do | |
2012 | { | |
2013 | start = frame; | |
2014 | ||
2015 | frame = skip_tailcall_frames (frame); | |
2016 | if (frame == NULL) | |
2017 | break; | |
2018 | ||
2019 | frame = skip_unwritable_frames (frame); | |
2020 | if (frame == NULL) | |
2021 | break; | |
2022 | } | |
2023 | while (start != frame); | |
2024 | ||
2025 | return frame; | |
2026 | } | |
2027 | ||
f941662f MK |
2028 | /* "finish": Set a temporary breakpoint at the place the selected |
2029 | frame will return to, then continue. */ | |
c906108c SS |
2030 | |
2031 | static void | |
fba45db2 | 2032 | finish_command (char *arg, int from_tty) |
c906108c | 2033 | { |
52f0bd74 | 2034 | struct frame_info *frame; |
6c4486e6 PA |
2035 | int async_exec; |
2036 | struct cleanup *args_chain; | |
243a9253 PA |
2037 | struct finish_command_fsm *sm; |
2038 | struct thread_info *tp; | |
43ff13b4 | 2039 | |
4247603b | 2040 | ERROR_NO_INFERIOR; |
573cda03 | 2041 | ensure_not_tfind_mode (); |
4247603b PA |
2042 | ensure_valid_thread (); |
2043 | ensure_not_running (); | |
573cda03 | 2044 | |
f941662f | 2045 | /* Find out whether we must run in the background. */ |
6c4486e6 PA |
2046 | arg = strip_bg_char (arg, &async_exec); |
2047 | args_chain = make_cleanup (xfree, arg); | |
43ff13b4 | 2048 | |
8bc2fe48 | 2049 | prepare_execution_command (¤t_target, async_exec); |
c906108c SS |
2050 | |
2051 | if (arg) | |
8a3fe4f8 | 2052 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 2053 | |
6c4486e6 PA |
2054 | /* Done with ARGS. */ |
2055 | do_cleanups (args_chain); | |
2056 | ||
206415a3 | 2057 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 2058 | if (frame == 0) |
8a3fe4f8 | 2059 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c | 2060 | |
70509625 | 2061 | clear_proceed_status (0); |
c906108c | 2062 | |
243a9253 PA |
2063 | tp = inferior_thread (); |
2064 | ||
8980e177 | 2065 | sm = new_finish_command_fsm (command_interp ()); |
243a9253 PA |
2066 | |
2067 | tp->thread_fsm = &sm->thread_fsm; | |
2068 | ||
edb3359d | 2069 | /* Finishing from an inline frame is completely different. We don't |
243a9253 | 2070 | try to show the "return value" - no way to locate it. */ |
edb3359d DJ |
2071 | if (get_frame_type (get_selected_frame (_("No selected frame."))) |
2072 | == INLINE_FRAME) | |
2073 | { | |
2074 | /* Claim we are stepping in the calling frame. An empty step | |
2075 | range means that we will stop once we aren't in a function | |
2076 | called by that frame. We don't use the magic "1" value for | |
2077 | step_range_end, because then infrun will think this is nexti, | |
2078 | and not step over the rest of this inlined function call. */ | |
51abb421 | 2079 | set_step_info (frame, {}); |
16c381f0 JK |
2080 | tp->control.step_range_start = get_frame_pc (frame); |
2081 | tp->control.step_range_end = tp->control.step_range_start; | |
2082 | tp->control.step_over_calls = STEP_OVER_ALL; | |
edb3359d DJ |
2083 | |
2084 | /* Print info on the selected frame, including level number but not | |
2085 | source. */ | |
2086 | if (from_tty) | |
2087 | { | |
2088 | printf_filtered (_("Run till exit from ")); | |
08d72866 | 2089 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
edb3359d DJ |
2090 | } |
2091 | ||
64ce06e4 | 2092 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
edb3359d DJ |
2093 | return; |
2094 | } | |
2095 | ||
c906108c SS |
2096 | /* Find the function we will return from. */ |
2097 | ||
243a9253 | 2098 | sm->function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 2099 | |
f941662f MK |
2100 | /* Print info on the selected frame, including level number but not |
2101 | source. */ | |
c906108c SS |
2102 | if (from_tty) |
2103 | { | |
b2175913 MS |
2104 | if (execution_direction == EXEC_REVERSE) |
2105 | printf_filtered (_("Run back to call of ")); | |
2106 | else | |
743649fd | 2107 | { |
243a9253 | 2108 | if (sm->function != NULL && TYPE_NO_RETURN (sm->function->type) |
743649fd MW |
2109 | && !query (_("warning: Function %s does not return normally.\n" |
2110 | "Try to finish anyway? "), | |
243a9253 | 2111 | SYMBOL_PRINT_NAME (sm->function))) |
743649fd MW |
2112 | error (_("Not confirmed.")); |
2113 | printf_filtered (_("Run till exit from ")); | |
2114 | } | |
b2175913 | 2115 | |
08d72866 | 2116 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
c906108c SS |
2117 | } |
2118 | ||
b2175913 | 2119 | if (execution_direction == EXEC_REVERSE) |
243a9253 | 2120 | finish_backward (sm); |
b2175913 | 2121 | else |
33b4777c | 2122 | { |
e3b5daf9 | 2123 | frame = skip_finish_frames (frame); |
7eb89530 | 2124 | |
33b4777c MM |
2125 | if (frame == NULL) |
2126 | error (_("Cannot find the caller frame.")); | |
2127 | ||
2128 | finish_forward (sm, frame); | |
2129 | } | |
c906108c SS |
2130 | } |
2131 | \f | |
f941662f | 2132 | |
c906108c | 2133 | static void |
11db9430 | 2134 | info_program_command (char *args, int from_tty) |
c906108c | 2135 | { |
347bddb7 PA |
2136 | bpstat bs; |
2137 | int num, stat; | |
2138 | struct thread_info *tp; | |
2139 | ptid_t ptid; | |
c5aa993b | 2140 | |
c906108c SS |
2141 | if (!target_has_execution) |
2142 | { | |
a3f17187 | 2143 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
2144 | return; |
2145 | } | |
2146 | ||
347bddb7 PA |
2147 | if (non_stop) |
2148 | ptid = inferior_ptid; | |
2149 | else | |
2150 | { | |
2151 | struct target_waitstatus ws; | |
abbb1732 | 2152 | |
347bddb7 PA |
2153 | get_last_target_status (&ptid, &ws); |
2154 | } | |
2155 | ||
2156 | if (ptid_equal (ptid, null_ptid) || is_exited (ptid)) | |
2157 | error (_("Invalid selected thread.")); | |
2158 | else if (is_running (ptid)) | |
2159 | error (_("Selected thread is running.")); | |
2160 | ||
e09875d4 | 2161 | tp = find_thread_ptid (ptid); |
16c381f0 | 2162 | bs = tp->control.stop_bpstat; |
347bddb7 PA |
2163 | stat = bpstat_num (&bs, &num); |
2164 | ||
c906108c | 2165 | target_files_info (); |
5af949e3 | 2166 | printf_filtered (_("Program stopped at %s.\n"), |
f5656ead | 2167 | paddress (target_gdbarch (), stop_pc)); |
16c381f0 | 2168 | if (tp->control.stop_step) |
a3f17187 | 2169 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 2170 | else if (stat != 0) |
c906108c SS |
2171 | { |
2172 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 2173 | isn't as strange as it seems. */ |
8671a17b | 2174 | while (stat != 0) |
c906108c | 2175 | { |
8671a17b | 2176 | if (stat < 0) |
c906108c | 2177 | { |
3e43a32a MS |
2178 | printf_filtered (_("It stopped at a breakpoint " |
2179 | "that has since been deleted.\n")); | |
c906108c SS |
2180 | } |
2181 | else | |
a3f17187 | 2182 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 2183 | stat = bpstat_num (&bs, &num); |
c906108c SS |
2184 | } |
2185 | } | |
a493e3e2 | 2186 | else if (tp->suspend.stop_signal != GDB_SIGNAL_0) |
c906108c | 2187 | { |
a3f17187 | 2188 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
2ea28649 PA |
2189 | gdb_signal_to_name (tp->suspend.stop_signal), |
2190 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
c906108c SS |
2191 | } |
2192 | ||
0d41ba00 | 2193 | if (from_tty) |
c906108c | 2194 | { |
3e43a32a MS |
2195 | printf_filtered (_("Type \"info stack\" or \"info " |
2196 | "registers\" for more information.\n")); | |
c906108c SS |
2197 | } |
2198 | } | |
2199 | \f | |
2200 | static void | |
69f476a3 | 2201 | environment_info (const char *var, int from_tty) |
c906108c SS |
2202 | { |
2203 | if (var) | |
2204 | { | |
9a6c7d9c | 2205 | const char *val = current_inferior ()->environment.get (var); |
abbb1732 | 2206 | |
c906108c SS |
2207 | if (val) |
2208 | { | |
2209 | puts_filtered (var); | |
2210 | puts_filtered (" = "); | |
2211 | puts_filtered (val); | |
2212 | puts_filtered ("\n"); | |
2213 | } | |
2214 | else | |
2215 | { | |
2216 | puts_filtered ("Environment variable \""); | |
2217 | puts_filtered (var); | |
2218 | puts_filtered ("\" not defined.\n"); | |
2219 | } | |
2220 | } | |
2221 | else | |
2222 | { | |
9a6c7d9c | 2223 | char **envp = current_inferior ()->environment.envp (); |
abbb1732 | 2224 | |
9a6c7d9c | 2225 | for (int idx = 0; envp[idx] != NULL; ++idx) |
c906108c | 2226 | { |
9a6c7d9c | 2227 | puts_filtered (envp[idx]); |
c906108c SS |
2228 | puts_filtered ("\n"); |
2229 | } | |
2230 | } | |
2231 | } | |
2232 | ||
2233 | static void | |
69f476a3 | 2234 | set_environment_command (const char *arg, int from_tty) |
c906108c | 2235 | { |
69f476a3 | 2236 | const char *p, *val; |
c906108c SS |
2237 | int nullset = 0; |
2238 | ||
2239 | if (arg == 0) | |
e2e0b3e5 | 2240 | error_no_arg (_("environment variable and value")); |
c906108c | 2241 | |
1777feb0 | 2242 | /* Find seperation between variable name and value. */ |
c906108c SS |
2243 | p = (char *) strchr (arg, '='); |
2244 | val = (char *) strchr (arg, ' '); | |
2245 | ||
2246 | if (p != 0 && val != 0) | |
2247 | { | |
2248 | /* We have both a space and an equals. If the space is before the | |
c5aa993b | 2249 | equals, walk forward over the spaces til we see a nonspace |
1777feb0 | 2250 | (possibly the equals). */ |
c906108c SS |
2251 | if (p > val) |
2252 | while (*val == ' ') | |
2253 | val++; | |
2254 | ||
2255 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 2256 | take the char following the spaces. */ |
c906108c SS |
2257 | if (p > val) |
2258 | p = val - 1; | |
2259 | } | |
2260 | else if (val != 0 && p == 0) | |
2261 | p = val; | |
2262 | ||
2263 | if (p == arg) | |
e2e0b3e5 | 2264 | error_no_arg (_("environment variable to set")); |
c906108c SS |
2265 | |
2266 | if (p == 0 || p[1] == 0) | |
2267 | { | |
2268 | nullset = 1; | |
2269 | if (p == 0) | |
1777feb0 | 2270 | p = arg + strlen (arg); /* So that savestring below will work. */ |
c906108c SS |
2271 | } |
2272 | else | |
2273 | { | |
1777feb0 | 2274 | /* Not setting variable value to null. */ |
c906108c SS |
2275 | val = p + 1; |
2276 | while (*val == ' ' || *val == '\t') | |
2277 | val++; | |
2278 | } | |
2279 | ||
c5aa993b JM |
2280 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
2281 | p--; | |
c906108c | 2282 | |
69f476a3 | 2283 | std::string var (arg, p - arg); |
c906108c SS |
2284 | if (nullset) |
2285 | { | |
3e43a32a MS |
2286 | printf_filtered (_("Setting environment variable " |
2287 | "\"%s\" to null value.\n"), | |
69f476a3 TT |
2288 | var.c_str ()); |
2289 | current_inferior ()->environment.set (var.c_str (), ""); | |
c906108c SS |
2290 | } |
2291 | else | |
69f476a3 | 2292 | current_inferior ()->environment.set (var.c_str (), val); |
c906108c SS |
2293 | } |
2294 | ||
2295 | static void | |
69f476a3 | 2296 | unset_environment_command (const char *var, int from_tty) |
c906108c SS |
2297 | { |
2298 | if (var == 0) | |
2299 | { | |
2300 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 2301 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 2302 | if (!from_tty || query (_("Delete all environment variables? "))) |
206726fb | 2303 | current_inferior ()->environment.clear (); |
c906108c SS |
2304 | } |
2305 | else | |
9a6c7d9c | 2306 | current_inferior ()->environment.unset (var); |
c906108c SS |
2307 | } |
2308 | ||
1777feb0 | 2309 | /* Handle the execution path (PATH variable). */ |
c906108c SS |
2310 | |
2311 | static const char path_var_name[] = "PATH"; | |
2312 | ||
c906108c | 2313 | static void |
69f476a3 | 2314 | path_info (const char *args, int from_tty) |
c906108c SS |
2315 | { |
2316 | puts_filtered ("Executable and object file path: "); | |
9a6c7d9c | 2317 | puts_filtered (current_inferior ()->environment.get (path_var_name)); |
c906108c SS |
2318 | puts_filtered ("\n"); |
2319 | } | |
2320 | ||
2321 | /* Add zero or more directories to the front of the execution path. */ | |
2322 | ||
2323 | static void | |
fba45db2 | 2324 | path_command (char *dirname, int from_tty) |
c906108c SS |
2325 | { |
2326 | char *exec_path; | |
a121b7c1 | 2327 | const char *env; |
abbb1732 | 2328 | |
c906108c | 2329 | dont_repeat (); |
9a6c7d9c | 2330 | env = current_inferior ()->environment.get (path_var_name); |
1777feb0 | 2331 | /* Can be null if path is not set. */ |
c906108c SS |
2332 | if (!env) |
2333 | env = ""; | |
4fcf66da | 2334 | exec_path = xstrdup (env); |
c906108c | 2335 | mod_path (dirname, &exec_path); |
9a6c7d9c | 2336 | current_inferior ()->environment.set (path_var_name, exec_path); |
b8c9b27d | 2337 | xfree (exec_path); |
c906108c | 2338 | if (from_tty) |
c5aa993b | 2339 | path_info ((char *) NULL, from_tty); |
c906108c | 2340 | } |
c906108c | 2341 | \f |
c5aa993b | 2342 | |
1292279a PA |
2343 | /* Print out the register NAME with value VAL, to FILE, in the default |
2344 | fashion. */ | |
2345 | ||
2346 | static void | |
2347 | default_print_one_register_info (struct ui_file *file, | |
2348 | const char *name, | |
2349 | struct value *val) | |
2350 | { | |
2351 | struct type *regtype = value_type (val); | |
f69d9aef | 2352 | int print_raw_format; |
1292279a PA |
2353 | |
2354 | fputs_filtered (name, file); | |
2355 | print_spaces_filtered (15 - strlen (name), file); | |
2356 | ||
f69d9aef AB |
2357 | print_raw_format = (value_entirely_available (val) |
2358 | && !value_optimized_out (val)); | |
1292279a PA |
2359 | |
2360 | /* If virtual format is floating, print it that way, and in raw | |
2361 | hex. */ | |
2362 | if (TYPE_CODE (regtype) == TYPE_CODE_FLT | |
2363 | || TYPE_CODE (regtype) == TYPE_CODE_DECFLOAT) | |
2364 | { | |
1292279a PA |
2365 | struct value_print_options opts; |
2366 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
2367 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (regtype)); | |
2368 | ||
2369 | get_user_print_options (&opts); | |
2370 | opts.deref_ref = 1; | |
2371 | ||
2372 | val_print (regtype, | |
1292279a PA |
2373 | value_embedded_offset (val), 0, |
2374 | file, 0, val, &opts, current_language); | |
2375 | ||
f69d9aef AB |
2376 | if (print_raw_format) |
2377 | { | |
2378 | fprintf_filtered (file, "\t(raw "); | |
30a25466 TT |
2379 | print_hex_chars (file, valaddr, TYPE_LENGTH (regtype), byte_order, |
2380 | true); | |
f69d9aef AB |
2381 | fprintf_filtered (file, ")"); |
2382 | } | |
1292279a PA |
2383 | } |
2384 | else | |
2385 | { | |
2386 | struct value_print_options opts; | |
2387 | ||
2388 | /* Print the register in hex. */ | |
2389 | get_formatted_print_options (&opts, 'x'); | |
2390 | opts.deref_ref = 1; | |
2391 | val_print (regtype, | |
1292279a PA |
2392 | value_embedded_offset (val), 0, |
2393 | file, 0, val, &opts, current_language); | |
2394 | /* If not a vector register, print it also according to its | |
2395 | natural format. */ | |
f69d9aef | 2396 | if (print_raw_format && TYPE_VECTOR (regtype) == 0) |
1292279a PA |
2397 | { |
2398 | get_user_print_options (&opts); | |
2399 | opts.deref_ref = 1; | |
2400 | fprintf_filtered (file, "\t"); | |
2401 | val_print (regtype, | |
1292279a PA |
2402 | value_embedded_offset (val), 0, |
2403 | file, 0, val, &opts, current_language); | |
2404 | } | |
2405 | } | |
2406 | ||
2407 | fprintf_filtered (file, "\n"); | |
2408 | } | |
2409 | ||
1777feb0 | 2410 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
2411 | registers (print_all == 1) or all non-float and non-vector |
2412 | registers (print_all == 0). | |
c906108c SS |
2413 | |
2414 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
2415 | register(s) one per line is good enough. If a different format is |
2416 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
2417 | regs), or there is an existing convention for showing all the | |
2418 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
2419 | provide that format. */ | |
c906108c | 2420 | |
666e11c5 | 2421 | void |
0ab7a791 AC |
2422 | default_print_registers_info (struct gdbarch *gdbarch, |
2423 | struct ui_file *file, | |
2424 | struct frame_info *frame, | |
2425 | int regnum, int print_all) | |
c906108c | 2426 | { |
0ab7a791 | 2427 | int i; |
a4bd449d UW |
2428 | const int numregs = gdbarch_num_regs (gdbarch) |
2429 | + gdbarch_num_pseudo_regs (gdbarch); | |
0ab7a791 | 2430 | |
c906108c SS |
2431 | for (i = 0; i < numregs; i++) |
2432 | { | |
4782dc19 AC |
2433 | /* Decide between printing all regs, non-float / vector regs, or |
2434 | specific reg. */ | |
c5aa993b JM |
2435 | if (regnum == -1) |
2436 | { | |
f9418c0f | 2437 | if (print_all) |
4782dc19 | 2438 | { |
f9418c0f | 2439 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 2440 | continue; |
f9418c0f AC |
2441 | } |
2442 | else | |
2443 | { | |
2444 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
2445 | continue; |
2446 | } | |
c5aa993b JM |
2447 | } |
2448 | else | |
2449 | { | |
2450 | if (i != regnum) | |
2451 | continue; | |
2452 | } | |
c906108c SS |
2453 | |
2454 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 2455 | processor, so don't display anything. */ |
a4bd449d UW |
2456 | if (gdbarch_register_name (gdbarch, i) == NULL |
2457 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
2458 | continue; |
2459 | ||
1292279a PA |
2460 | default_print_one_register_info (file, |
2461 | gdbarch_register_name (gdbarch, i), | |
901461f8 | 2462 | value_of_register (i, frame)); |
c906108c SS |
2463 | } |
2464 | } | |
c906108c | 2465 | |
c906108c | 2466 | void |
fba45db2 | 2467 | registers_info (char *addr_exp, int fpregs) |
c906108c | 2468 | { |
206415a3 | 2469 | struct frame_info *frame; |
a4bd449d | 2470 | struct gdbarch *gdbarch; |
c906108c SS |
2471 | |
2472 | if (!target_has_registers) | |
8a3fe4f8 | 2473 | error (_("The program has no registers now.")); |
206415a3 | 2474 | frame = get_selected_frame (NULL); |
a4bd449d | 2475 | gdbarch = get_frame_arch (frame); |
c906108c SS |
2476 | |
2477 | if (!addr_exp) | |
2478 | { | |
a4bd449d | 2479 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 2480 | frame, -1, fpregs); |
c906108c SS |
2481 | return; |
2482 | } | |
2483 | ||
f9418c0f | 2484 | while (*addr_exp != '\0') |
c5aa993b | 2485 | { |
f9418c0f AC |
2486 | char *start; |
2487 | const char *end; | |
c906108c | 2488 | |
529480d0 KS |
2489 | /* Skip leading white space. */ |
2490 | addr_exp = skip_spaces (addr_exp); | |
c906108c | 2491 | |
f9418c0f AC |
2492 | /* Discard any leading ``$''. Check that there is something |
2493 | resembling a register following it. */ | |
2494 | if (addr_exp[0] == '$') | |
2495 | addr_exp++; | |
2496 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 2497 | error (_("Missing register name")); |
c906108c | 2498 | |
f9418c0f AC |
2499 | /* Find the start/end of this register name/num/group. */ |
2500 | start = addr_exp; | |
2501 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
2502 | addr_exp++; | |
2503 | end = addr_exp; | |
ad842144 | 2504 | |
f9418c0f AC |
2505 | /* Figure out what we've found and display it. */ |
2506 | ||
2507 | /* A register name? */ | |
2508 | { | |
029a67e4 | 2509 | int regnum = user_reg_map_name_to_regnum (gdbarch, start, end - start); |
abbb1732 | 2510 | |
f9418c0f AC |
2511 | if (regnum >= 0) |
2512 | { | |
ad842144 MR |
2513 | /* User registers lie completely outside of the range of |
2514 | normal registers. Catch them early so that the target | |
2515 | never sees them. */ | |
2516 | if (regnum >= gdbarch_num_regs (gdbarch) | |
2517 | + gdbarch_num_pseudo_regs (gdbarch)) | |
2518 | { | |
1292279a PA |
2519 | struct value *regval = value_of_user_reg (regnum, frame); |
2520 | const char *regname = user_reg_map_regnum_to_name (gdbarch, | |
2521 | regnum); | |
2522 | ||
2523 | /* Print in the same fashion | |
2524 | gdbarch_print_registers_info's default | |
2525 | implementation prints. */ | |
2526 | default_print_one_register_info (gdb_stdout, | |
2527 | regname, | |
2528 | regval); | |
ad842144 MR |
2529 | } |
2530 | else | |
2531 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
2532 | frame, regnum, fpregs); | |
f9418c0f AC |
2533 | continue; |
2534 | } | |
2535 | } | |
ad842144 | 2536 | |
f9418c0f AC |
2537 | /* A register group? */ |
2538 | { | |
6c7d17ba | 2539 | struct reggroup *group; |
abbb1732 | 2540 | |
a4bd449d | 2541 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 2542 | group != NULL; |
a4bd449d | 2543 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
2544 | { |
2545 | /* Don't bother with a length check. Should the user | |
2546 | enter a short register group name, go with the first | |
2547 | group that matches. */ | |
6c7d17ba | 2548 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
2549 | break; |
2550 | } | |
6c7d17ba | 2551 | if (group != NULL) |
f9418c0f AC |
2552 | { |
2553 | int regnum; | |
abbb1732 | 2554 | |
f57d151a | 2555 | for (regnum = 0; |
a4bd449d UW |
2556 | regnum < gdbarch_num_regs (gdbarch) |
2557 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2558 | regnum++) |
f9418c0f | 2559 | { |
a4bd449d UW |
2560 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
2561 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 2562 | gdb_stdout, frame, |
f9418c0f AC |
2563 | regnum, fpregs); |
2564 | } | |
2565 | continue; | |
2566 | } | |
2567 | } | |
c906108c | 2568 | |
f9418c0f | 2569 | /* Nothing matched. */ |
8a3fe4f8 | 2570 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 2571 | } |
c906108c SS |
2572 | } |
2573 | ||
1dd5fedc | 2574 | static void |
11db9430 | 2575 | info_all_registers_command (char *addr_exp, int from_tty) |
c906108c SS |
2576 | { |
2577 | registers_info (addr_exp, 1); | |
2578 | } | |
2579 | ||
a58dd373 | 2580 | static void |
11db9430 | 2581 | info_registers_command (char *addr_exp, int from_tty) |
c906108c SS |
2582 | { |
2583 | registers_info (addr_exp, 0); | |
2584 | } | |
e76f1f2e AC |
2585 | |
2586 | static void | |
d80b854b | 2587 | print_vector_info (struct ui_file *file, |
e76f1f2e AC |
2588 | struct frame_info *frame, const char *args) |
2589 | { | |
d80b854b UW |
2590 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2591 | ||
e76f1f2e AC |
2592 | if (gdbarch_print_vector_info_p (gdbarch)) |
2593 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
2594 | else | |
2595 | { | |
2596 | int regnum; | |
2597 | int printed_something = 0; | |
ab4327e0 | 2598 | |
f57d151a | 2599 | for (regnum = 0; |
a4bd449d UW |
2600 | regnum < gdbarch_num_regs (gdbarch) |
2601 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2602 | regnum++) |
e76f1f2e | 2603 | { |
f9418c0f | 2604 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
2605 | { |
2606 | printed_something = 1; | |
e76f1f2e | 2607 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
2608 | } |
2609 | } | |
2610 | if (!printed_something) | |
2611 | fprintf_filtered (file, "No vector information\n"); | |
2612 | } | |
2613 | } | |
2614 | ||
2615 | static void | |
11db9430 | 2616 | info_vector_command (char *args, int from_tty) |
e76f1f2e | 2617 | { |
206415a3 DJ |
2618 | if (!target_has_registers) |
2619 | error (_("The program has no registers now.")); | |
2620 | ||
d80b854b | 2621 | print_vector_info (gdb_stdout, get_selected_frame (NULL), args); |
e76f1f2e | 2622 | } |
c906108c | 2623 | \f |
5fd62852 PA |
2624 | /* Kill the inferior process. Make us have no inferior. */ |
2625 | ||
2626 | static void | |
2627 | kill_command (char *arg, int from_tty) | |
2628 | { | |
2629 | /* FIXME: This should not really be inferior_ptid (or target_has_execution). | |
2630 | It should be a distinct flag that indicates that a target is active, cuz | |
1777feb0 | 2631 | some targets don't have processes! */ |
5fd62852 PA |
2632 | |
2633 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2634 | error (_("The program is not being run.")); | |
2635 | if (!query (_("Kill the program being debugged? "))) | |
2636 | error (_("Not confirmed.")); | |
2637 | target_kill (); | |
2638 | ||
c35b1492 PA |
2639 | /* If we still have other inferiors to debug, then don't mess with |
2640 | with their threads. */ | |
2641 | if (!have_inferiors ()) | |
5fd62852 | 2642 | { |
1777feb0 | 2643 | init_thread_list (); /* Destroy thread info. */ |
5fd62852 PA |
2644 | |
2645 | /* Killing off the inferior can leave us with a core file. If | |
2646 | so, print the state we are left in. */ | |
2647 | if (target_has_stack) | |
2648 | { | |
2649 | printf_filtered (_("In %s,\n"), target_longname); | |
08d72866 | 2650 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1); |
5fd62852 PA |
2651 | } |
2652 | } | |
2653 | bfd_cache_close_all (); | |
2654 | } | |
c5aa993b | 2655 | |
74531fed PA |
2656 | /* Used in `attach&' command. ARG is a point to an integer |
2657 | representing a process id. Proceed threads of this process iff | |
2658 | they stopped due to debugger request, and when they did, they | |
a493e3e2 | 2659 | reported a clean stop (GDB_SIGNAL_0). Do not proceed threads |
74531fed PA |
2660 | that have been explicitly been told to stop. */ |
2661 | ||
2662 | static int | |
2663 | proceed_after_attach_callback (struct thread_info *thread, | |
2664 | void *arg) | |
2665 | { | |
2666 | int pid = * (int *) arg; | |
2667 | ||
2668 | if (ptid_get_pid (thread->ptid) == pid | |
2669 | && !is_exited (thread->ptid) | |
2670 | && !is_executing (thread->ptid) | |
2671 | && !thread->stop_requested | |
a493e3e2 | 2672 | && thread->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed PA |
2673 | { |
2674 | switch_to_thread (thread->ptid); | |
70509625 | 2675 | clear_proceed_status (0); |
64ce06e4 | 2676 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
74531fed PA |
2677 | } |
2678 | ||
2679 | return 0; | |
2680 | } | |
2681 | ||
2682 | static void | |
2683 | proceed_after_attach (int pid) | |
2684 | { | |
2685 | /* Don't error out if the current thread is running, because | |
2686 | there may be other stopped threads. */ | |
74531fed PA |
2687 | |
2688 | /* Backup current thread and selected frame. */ | |
5ed8105e | 2689 | scoped_restore_current_thread restore_thread; |
74531fed PA |
2690 | |
2691 | iterate_over_threads (proceed_after_attach_callback, &pid); | |
74531fed PA |
2692 | } |
2693 | ||
6efcd9a8 | 2694 | /* See inferior.h. */ |
c906108c | 2695 | |
6efcd9a8 PA |
2696 | void |
2697 | setup_inferior (int from_tty) | |
9356cf8d | 2698 | { |
d6b48e9c | 2699 | struct inferior *inferior; |
9356cf8d | 2700 | |
d6b48e9c | 2701 | inferior = current_inferior (); |
6efcd9a8 | 2702 | inferior->needs_setup = 0; |
9356cf8d PA |
2703 | |
2704 | /* If no exec file is yet known, try to determine it from the | |
2705 | process itself. */ | |
a10de604 | 2706 | if (get_exec_file (0) == NULL) |
bb805577 | 2707 | exec_file_locate_attach (ptid_get_pid (inferior_ptid), 1, from_tty); |
9356cf8d PA |
2708 | else |
2709 | { | |
2710 | reopen_exec_file (); | |
2711 | reread_symbols (); | |
2712 | } | |
2713 | ||
2714 | /* Take any necessary post-attaching actions for this platform. */ | |
dfd4cc63 | 2715 | target_post_attach (ptid_get_pid (inferior_ptid)); |
9356cf8d PA |
2716 | |
2717 | post_create_inferior (¤t_target, from_tty); | |
6efcd9a8 PA |
2718 | } |
2719 | ||
2720 | /* What to do after the first program stops after attaching. */ | |
2721 | enum attach_post_wait_mode | |
2722 | { | |
2723 | /* Do nothing. Leaves threads as they are. */ | |
2724 | ATTACH_POST_WAIT_NOTHING, | |
2725 | ||
2726 | /* Re-resume threads that are marked running. */ | |
2727 | ATTACH_POST_WAIT_RESUME, | |
2728 | ||
2729 | /* Stop all threads. */ | |
2730 | ATTACH_POST_WAIT_STOP, | |
2731 | }; | |
2732 | ||
2733 | /* Called after we've attached to a process and we've seen it stop for | |
2734 | the first time. If ASYNC_EXEC is true, re-resume threads that | |
2735 | should be running. Else if ATTACH, */ | |
2736 | ||
2737 | static void | |
a121b7c1 | 2738 | attach_post_wait (const char *args, int from_tty, enum attach_post_wait_mode mode) |
6efcd9a8 PA |
2739 | { |
2740 | struct inferior *inferior; | |
9356cf8d | 2741 | |
6efcd9a8 PA |
2742 | inferior = current_inferior (); |
2743 | inferior->control.stop_soon = NO_STOP_QUIETLY; | |
2744 | ||
2745 | if (inferior->needs_setup) | |
2746 | setup_inferior (from_tty); | |
2747 | ||
2748 | if (mode == ATTACH_POST_WAIT_RESUME) | |
74531fed PA |
2749 | { |
2750 | /* The user requested an `attach&', so be sure to leave threads | |
2751 | that didn't get a signal running. */ | |
2752 | ||
2753 | /* Immediatelly resume all suspended threads of this inferior, | |
2754 | and this inferior only. This should have no effect on | |
2755 | already running threads. If a thread has been stopped with a | |
2756 | signal, leave it be. */ | |
2757 | if (non_stop) | |
2758 | proceed_after_attach (inferior->pid); | |
2759 | else | |
2760 | { | |
a493e3e2 | 2761 | if (inferior_thread ()->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed | 2762 | { |
70509625 | 2763 | clear_proceed_status (0); |
64ce06e4 | 2764 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
74531fed PA |
2765 | } |
2766 | } | |
2767 | } | |
6efcd9a8 | 2768 | else if (mode == ATTACH_POST_WAIT_STOP) |
9356cf8d | 2769 | { |
74531fed PA |
2770 | /* The user requested a plain `attach', so be sure to leave |
2771 | the inferior stopped. */ | |
2772 | ||
74531fed PA |
2773 | /* At least the current thread is already stopped. */ |
2774 | ||
2775 | /* In all-stop, by definition, all threads have to be already | |
2776 | stopped at this point. In non-stop, however, although the | |
2777 | selected thread is stopped, others may still be executing. | |
2778 | Be sure to explicitly stop all threads of the process. This | |
2779 | should have no effect on already stopped threads. */ | |
066f6b6e | 2780 | if (non_stop) |
74531fed | 2781 | target_stop (pid_to_ptid (inferior->pid)); |
066f6b6e PA |
2782 | else if (target_is_non_stop_p ()) |
2783 | { | |
2784 | struct thread_info *thread; | |
2785 | struct thread_info *lowest = inferior_thread (); | |
2786 | int pid = current_inferior ()->pid; | |
2787 | ||
2788 | stop_all_threads (); | |
2789 | ||
2790 | /* It's not defined which thread will report the attach | |
2791 | stop. For consistency, always select the thread with | |
2792 | lowest GDB number, which should be the main thread, if it | |
2793 | still exists. */ | |
2794 | ALL_NON_EXITED_THREADS (thread) | |
2795 | { | |
2796 | if (ptid_get_pid (thread->ptid) == pid) | |
2797 | { | |
5d5658a1 PA |
2798 | if (thread->inf->num < lowest->inf->num |
2799 | || thread->per_inf_num < lowest->per_inf_num) | |
066f6b6e PA |
2800 | lowest = thread; |
2801 | } | |
2802 | } | |
2803 | ||
2804 | switch_to_thread (lowest->ptid); | |
2805 | } | |
74531fed PA |
2806 | |
2807 | /* Tell the user/frontend where we're stopped. */ | |
9356cf8d PA |
2808 | normal_stop (); |
2809 | if (deprecated_attach_hook) | |
2810 | deprecated_attach_hook (); | |
2811 | } | |
2812 | } | |
2813 | ||
bfec99b2 | 2814 | struct attach_command_continuation_args |
9356cf8d PA |
2815 | { |
2816 | char *args; | |
2817 | int from_tty; | |
6efcd9a8 | 2818 | enum attach_post_wait_mode mode; |
bfec99b2 | 2819 | }; |
9356cf8d | 2820 | |
bfec99b2 | 2821 | static void |
fa4cd53f | 2822 | attach_command_continuation (void *args, int err) |
bfec99b2 | 2823 | { |
9a3c8263 SM |
2824 | struct attach_command_continuation_args *a |
2825 | = (struct attach_command_continuation_args *) args; | |
abbb1732 | 2826 | |
fa4cd53f PA |
2827 | if (err) |
2828 | return; | |
2829 | ||
6efcd9a8 | 2830 | attach_post_wait (a->args, a->from_tty, a->mode); |
9356cf8d PA |
2831 | } |
2832 | ||
604ead4a PA |
2833 | static void |
2834 | attach_command_continuation_free_args (void *args) | |
2835 | { | |
9a3c8263 SM |
2836 | struct attach_command_continuation_args *a |
2837 | = (struct attach_command_continuation_args *) args; | |
abbb1732 | 2838 | |
604ead4a PA |
2839 | xfree (a->args); |
2840 | xfree (a); | |
2841 | } | |
2842 | ||
6efcd9a8 PA |
2843 | /* "attach" command entry point. Takes a program started up outside |
2844 | of gdb and ``attaches'' to it. This stops it cold in its tracks | |
2845 | and allows us to start debugging it. */ | |
2846 | ||
c906108c | 2847 | void |
fba45db2 | 2848 | attach_command (char *args, int from_tty) |
c906108c | 2849 | { |
6c4486e6 PA |
2850 | int async_exec; |
2851 | struct cleanup *args_chain; | |
b3ccfe11 | 2852 | struct target_ops *attach_target; |
6efcd9a8 PA |
2853 | struct inferior *inferior = current_inferior (); |
2854 | enum attach_post_wait_mode mode; | |
c906108c | 2855 | |
c5aa993b | 2856 | dont_repeat (); /* Not for the faint of heart */ |
c906108c | 2857 | |
f5656ead | 2858 | if (gdbarch_has_global_solist (target_gdbarch ())) |
2567c7d9 PA |
2859 | /* Don't complain if all processes share the same symbol |
2860 | space. */ | |
8a305172 PA |
2861 | ; |
2862 | else if (target_has_execution) | |
c906108c | 2863 | { |
9e2f0ad4 | 2864 | if (query (_("A program is being debugged already. Kill it? "))) |
c906108c SS |
2865 | target_kill (); |
2866 | else | |
8a3fe4f8 | 2867 | error (_("Not killed.")); |
c906108c SS |
2868 | } |
2869 | ||
fd79ecee DJ |
2870 | /* Clean up any leftovers from other runs. Some other things from |
2871 | this function should probably be moved into target_pre_inferior. */ | |
2872 | target_pre_inferior (from_tty); | |
2873 | ||
6c4486e6 PA |
2874 | args = strip_bg_char (args, &async_exec); |
2875 | args_chain = make_cleanup (xfree, args); | |
8bc2fe48 | 2876 | |
b3ccfe11 TT |
2877 | attach_target = find_attach_target (); |
2878 | ||
8bc2fe48 PA |
2879 | prepare_execution_command (attach_target, async_exec); |
2880 | ||
b3ccfe11 | 2881 | if (non_stop && !attach_target->to_supports_non_stop (attach_target)) |
9908b566 VP |
2882 | error (_("Cannot attach to this target in non-stop mode")); |
2883 | ||
b3ccfe11 TT |
2884 | attach_target->to_attach (attach_target, args, from_tty); |
2885 | /* to_attach should push the target, so after this point we | |
2886 | shouldn't refer to attach_target again. */ | |
2887 | attach_target = NULL; | |
c906108c SS |
2888 | |
2889 | /* Set up the "saved terminal modes" of the inferior | |
2890 | based on what modes we are starting it with. */ | |
223ffa71 | 2891 | target_terminal::init (); |
c906108c | 2892 | |
7180e04a PA |
2893 | /* Install inferior's terminal modes. This may look like a no-op, |
2894 | as we've just saved them above, however, this does more than | |
2895 | restore terminal settings: | |
2896 | ||
2897 | - installs a SIGINT handler that forwards SIGINT to the inferior. | |
2898 | Otherwise a Ctrl-C pressed just while waiting for the initial | |
2899 | stop would end up as a spurious Quit. | |
2900 | ||
2901 | - removes stdin from the event loop, which we need if attaching | |
2902 | in the foreground, otherwise on targets that report an initial | |
2903 | stop on attach (which are most) we'd process input/commands | |
2904 | while we're in the event loop waiting for that stop. That is, | |
2905 | before the attach continuation runs and the command is really | |
2906 | finished. */ | |
223ffa71 | 2907 | target_terminal::inferior (); |
7180e04a | 2908 | |
c906108c SS |
2909 | /* Set up execution context to know that we should return from |
2910 | wait_for_inferior as soon as the target reports a stop. */ | |
2911 | init_wait_for_inferior (); | |
70509625 | 2912 | clear_proceed_status (0); |
c906108c | 2913 | |
6efcd9a8 PA |
2914 | inferior->needs_setup = 1; |
2915 | ||
fbea99ea | 2916 | if (target_is_non_stop_p ()) |
74531fed PA |
2917 | { |
2918 | /* If we find that the current thread isn't stopped, explicitly | |
2919 | do so now, because we're going to install breakpoints and | |
2920 | poke at memory. */ | |
2921 | ||
2922 | if (async_exec) | |
2923 | /* The user requested an `attach&'; stop just one thread. */ | |
2924 | target_stop (inferior_ptid); | |
2925 | else | |
2926 | /* The user requested an `attach', so stop all threads of this | |
2927 | inferior. */ | |
2928 | target_stop (pid_to_ptid (ptid_get_pid (inferior_ptid))); | |
2929 | } | |
2930 | ||
6efcd9a8 PA |
2931 | mode = async_exec ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_STOP; |
2932 | ||
dc177b7a PA |
2933 | /* Some system don't generate traps when attaching to inferior. |
2934 | E.g. Mach 3 or GNU hurd. */ | |
2935 | if (!target_attach_no_wait) | |
c5aa993b | 2936 | { |
0b333c5e | 2937 | struct attach_command_continuation_args *a; |
d6b48e9c | 2938 | |
1777feb0 | 2939 | /* Careful here. See comments in inferior.h. Basically some |
dc177b7a PA |
2940 | OSes don't ignore SIGSTOPs on continue requests anymore. We |
2941 | need a way for handle_inferior_event to reset the stop_signal | |
2942 | variable after an attach, and this is what | |
2943 | STOP_QUIETLY_NO_SIGSTOP is for. */ | |
16c381f0 | 2944 | inferior->control.stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c5aa993b | 2945 | |
3b12939d | 2946 | /* Wait for stop. */ |
0b333c5e PA |
2947 | a = XNEW (struct attach_command_continuation_args); |
2948 | a->args = xstrdup (args); | |
2949 | a->from_tty = from_tty; | |
6efcd9a8 | 2950 | a->mode = mode; |
0b333c5e PA |
2951 | add_inferior_continuation (attach_command_continuation, a, |
2952 | attach_command_continuation_free_args); | |
2953 | /* Done with ARGS. */ | |
2954 | do_cleanups (args_chain); | |
2955 | ||
2956 | if (!target_is_async_p ()) | |
2957 | mark_infrun_async_event_handler (); | |
2958 | return; | |
dc177b7a | 2959 | } |
6426a772 | 2960 | |
978b9495 JK |
2961 | /* Done with ARGS. */ |
2962 | do_cleanups (args_chain); | |
2963 | ||
6efcd9a8 | 2964 | attach_post_wait (args, from_tty, mode); |
c906108c SS |
2965 | } |
2966 | ||
1941c569 PA |
2967 | /* We had just found out that the target was already attached to an |
2968 | inferior. PTID points at a thread of this new inferior, that is | |
2969 | the most likely to be stopped right now, but not necessarily so. | |
2970 | The new inferior is assumed to be already added to the inferior | |
2971 | list at this point. If LEAVE_RUNNING, then leave the threads of | |
2972 | this inferior running, except those we've explicitly seen reported | |
2973 | as stopped. */ | |
2974 | ||
2975 | void | |
2976 | notice_new_inferior (ptid_t ptid, int leave_running, int from_tty) | |
2977 | { | |
5ed8105e PA |
2978 | enum attach_post_wait_mode mode |
2979 | = leave_running ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_NOTHING; | |
1941c569 | 2980 | |
5ed8105e | 2981 | gdb::optional<scoped_restore_current_thread> restore_thread; |
1941c569 | 2982 | |
5ed8105e PA |
2983 | if (inferior_ptid != null_ptid) |
2984 | restore_thread.emplace (); | |
1941c569 | 2985 | |
6efcd9a8 PA |
2986 | /* Avoid reading registers -- we haven't fetched the target |
2987 | description yet. */ | |
2988 | switch_to_thread_no_regs (find_thread_ptid (ptid)); | |
1941c569 PA |
2989 | |
2990 | /* When we "notice" a new inferior we need to do all the things we | |
2991 | would normally do if we had just attached to it. */ | |
2992 | ||
2993 | if (is_executing (inferior_ptid)) | |
2994 | { | |
0b333c5e | 2995 | struct attach_command_continuation_args *a; |
1941c569 PA |
2996 | struct inferior *inferior = current_inferior (); |
2997 | ||
2998 | /* We're going to install breakpoints, and poke at memory, | |
2999 | ensure that the inferior is stopped for a moment while we do | |
3000 | that. */ | |
3001 | target_stop (inferior_ptid); | |
3002 | ||
16c381f0 | 3003 | inferior->control.stop_soon = STOP_QUIETLY_REMOTE; |
1941c569 PA |
3004 | |
3005 | /* Wait for stop before proceeding. */ | |
0b333c5e PA |
3006 | a = XNEW (struct attach_command_continuation_args); |
3007 | a->args = xstrdup (""); | |
3008 | a->from_tty = from_tty; | |
6efcd9a8 | 3009 | a->mode = mode; |
0b333c5e PA |
3010 | add_inferior_continuation (attach_command_continuation, a, |
3011 | attach_command_continuation_free_args); | |
1941c569 | 3012 | |
0b333c5e | 3013 | return; |
1941c569 PA |
3014 | } |
3015 | ||
6efcd9a8 | 3016 | attach_post_wait ("" /* args */, from_tty, mode); |
1941c569 PA |
3017 | } |
3018 | ||
c906108c SS |
3019 | /* |
3020 | * detach_command -- | |
3021 | * takes a program previously attached to and detaches it. | |
3022 | * The program resumes execution and will no longer stop | |
3023 | * on signals, etc. We better not have left any breakpoints | |
3024 | * in the program or it'll die when it hits one. For this | |
3025 | * to work, it may be necessary for the process to have been | |
3026 | * previously attached. It *might* work if the program was | |
3027 | * started via the normal ptrace (PTRACE_TRACEME). | |
3028 | */ | |
3029 | ||
6418d433 | 3030 | void |
fba45db2 | 3031 | detach_command (char *args, int from_tty) |
c906108c | 3032 | { |
1f5d0fc9 | 3033 | dont_repeat (); /* Not for the faint of heart. */ |
d729566a PA |
3034 | |
3035 | if (ptid_equal (inferior_ptid, null_ptid)) | |
3036 | error (_("The program is not being run.")); | |
3037 | ||
2f9d54cf PA |
3038 | query_if_trace_running (from_tty); |
3039 | ||
3040 | disconnect_tracing (); | |
d5551862 | 3041 | |
c906108c | 3042 | target_detach (args, from_tty); |
50c71eaf | 3043 | |
63000888 PA |
3044 | /* The current inferior process was just detached successfully. Get |
3045 | rid of breakpoints that no longer make sense. Note we don't do | |
3046 | this within target_detach because that is also used when | |
3047 | following child forks, and in that case we will want to transfer | |
3048 | breakpoints to the child, not delete them. */ | |
3049 | breakpoint_init_inferior (inf_exited); | |
3050 | ||
50c71eaf PA |
3051 | /* If the solist is global across inferiors, don't clear it when we |
3052 | detach from a single inferior. */ | |
f5656ead | 3053 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
50c71eaf | 3054 | no_shared_libraries (NULL, from_tty); |
8a305172 | 3055 | |
c35b1492 PA |
3056 | /* If we still have inferiors to debug, then don't mess with their |
3057 | threads. */ | |
3058 | if (!have_inferiors ()) | |
8a305172 PA |
3059 | init_thread_list (); |
3060 | ||
9a4105ab AC |
3061 | if (deprecated_detach_hook) |
3062 | deprecated_detach_hook (); | |
c906108c SS |
3063 | } |
3064 | ||
6ad8ae5c DJ |
3065 | /* Disconnect from the current target without resuming it (leaving it |
3066 | waiting for a debugger). | |
3067 | ||
3068 | We'd better not have left any breakpoints in the program or the | |
3069 | next debugger will get confused. Currently only supported for some | |
3070 | remote targets, since the normal attach mechanisms don't work on | |
3071 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
3072 | ||
3073 | static void | |
3074 | disconnect_command (char *args, int from_tty) | |
3075 | { | |
1777feb0 | 3076 | dont_repeat (); /* Not for the faint of heart. */ |
2f9d54cf PA |
3077 | query_if_trace_running (from_tty); |
3078 | disconnect_tracing (); | |
6ad8ae5c | 3079 | target_disconnect (args, from_tty); |
e85a822c | 3080 | no_shared_libraries (NULL, from_tty); |
a0ef4274 | 3081 | init_thread_list (); |
9a4105ab AC |
3082 | if (deprecated_detach_hook) |
3083 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
3084 | } |
3085 | ||
77ebaa5a VP |
3086 | void |
3087 | interrupt_target_1 (int all_threads) | |
3088 | { | |
3089 | ptid_t ptid; | |
abbb1732 | 3090 | |
77ebaa5a VP |
3091 | if (all_threads) |
3092 | ptid = minus_one_ptid; | |
3093 | else | |
3094 | ptid = inferior_ptid; | |
e42de8c7 PA |
3095 | |
3096 | if (non_stop) | |
3097 | target_stop (ptid); | |
3098 | else | |
3099 | target_interrupt (ptid); | |
252fbfc8 PA |
3100 | |
3101 | /* Tag the thread as having been explicitly requested to stop, so | |
3102 | other parts of gdb know not to resume this thread automatically, | |
3103 | if it was stopped due to an internal event. Limit this to | |
3104 | non-stop mode, as when debugging a multi-threaded application in | |
3105 | all-stop mode, we will only get one stop event --- it's undefined | |
3106 | which thread will report the event. */ | |
3107 | if (non_stop) | |
3108 | set_stop_requested (ptid, 1); | |
77ebaa5a VP |
3109 | } |
3110 | ||
6339bfc4 DE |
3111 | /* interrupt [-a] |
3112 | Stop the execution of the target while running in async mode, in | |
17e5269b | 3113 | the background. In all-stop, stop the whole process. In non-stop |
8cae4b3f PA |
3114 | mode, stop the current thread only by default, or stop all threads |
3115 | if the `-a' switch is used. */ | |
3116 | ||
1dd5fedc | 3117 | static void |
0a07590b | 3118 | interrupt_command (char *args, int from_tty) |
43ff13b4 | 3119 | { |
362646f5 | 3120 | if (target_can_async_p ()) |
43ff13b4 | 3121 | { |
8cae4b3f PA |
3122 | int all_threads = 0; |
3123 | ||
1777feb0 | 3124 | dont_repeat (); /* Not for the faint of heart. */ |
94cc34af | 3125 | |
8cae4b3f | 3126 | if (args != NULL |
61012eef | 3127 | && startswith (args, "-a")) |
8cae4b3f PA |
3128 | all_threads = 1; |
3129 | ||
3130 | if (!non_stop && all_threads) | |
3131 | error (_("-a is meaningless in all-stop mode.")); | |
3132 | ||
77ebaa5a | 3133 | interrupt_target_1 (all_threads); |
43ff13b4 JM |
3134 | } |
3135 | } | |
3136 | ||
cc86d1cb YQ |
3137 | /* See inferior.h. */ |
3138 | ||
3139 | void | |
3140 | default_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, | |
3141 | struct frame_info *frame, const char *args) | |
c906108c | 3142 | { |
cc86d1cb YQ |
3143 | int regnum; |
3144 | int printed_something = 0; | |
d80b854b | 3145 | |
cc86d1cb YQ |
3146 | for (regnum = 0; |
3147 | regnum < gdbarch_num_regs (gdbarch) | |
3148 | + gdbarch_num_pseudo_regs (gdbarch); | |
3149 | regnum++) | |
23e3a7ac | 3150 | { |
cc86d1cb | 3151 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac | 3152 | { |
cc86d1cb YQ |
3153 | printed_something = 1; |
3154 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); | |
23e3a7ac | 3155 | } |
23e3a7ac | 3156 | } |
cc86d1cb YQ |
3157 | if (!printed_something) |
3158 | fprintf_filtered (file, "No floating-point info " | |
3159 | "available for this processor.\n"); | |
23e3a7ac AC |
3160 | } |
3161 | ||
3162 | static void | |
11db9430 | 3163 | info_float_command (char *args, int from_tty) |
23e3a7ac | 3164 | { |
cc86d1cb YQ |
3165 | struct frame_info *frame; |
3166 | ||
206415a3 DJ |
3167 | if (!target_has_registers) |
3168 | error (_("The program has no registers now.")); | |
3169 | ||
cc86d1cb YQ |
3170 | frame = get_selected_frame (NULL); |
3171 | gdbarch_print_float_info (get_frame_arch (frame), gdb_stdout, frame, args); | |
c906108c SS |
3172 | } |
3173 | \f | |
c906108c | 3174 | static void |
fba45db2 | 3175 | unset_command (char *args, int from_tty) |
c906108c | 3176 | { |
3e43a32a MS |
3177 | printf_filtered (_("\"unset\" must be followed by the " |
3178 | "name of an unset subcommand.\n")); | |
635c7e8a | 3179 | help_list (unsetlist, "unset ", all_commands, gdb_stdout); |
c906108c SS |
3180 | } |
3181 | ||
145b16a9 UW |
3182 | /* Implement `info proc' family of commands. */ |
3183 | ||
3184 | static void | |
69f476a3 | 3185 | info_proc_cmd_1 (const char *args, enum info_proc_what what, int from_tty) |
145b16a9 | 3186 | { |
3030c96e UW |
3187 | struct gdbarch *gdbarch = get_current_arch (); |
3188 | ||
451b7c33 TT |
3189 | if (!target_info_proc (args, what)) |
3190 | { | |
3191 | if (gdbarch_info_proc_p (gdbarch)) | |
3192 | gdbarch_info_proc (gdbarch, args, what); | |
3193 | else | |
3194 | error (_("Not supported on this target.")); | |
3195 | } | |
145b16a9 UW |
3196 | } |
3197 | ||
3198 | /* Implement `info proc' when given without any futher parameters. */ | |
3199 | ||
3200 | static void | |
3201 | info_proc_cmd (char *args, int from_tty) | |
3202 | { | |
3203 | info_proc_cmd_1 (args, IP_MINIMAL, from_tty); | |
3204 | } | |
3205 | ||
3206 | /* Implement `info proc mappings'. */ | |
3207 | ||
3208 | static void | |
69f476a3 | 3209 | info_proc_cmd_mappings (const char *args, int from_tty) |
145b16a9 UW |
3210 | { |
3211 | info_proc_cmd_1 (args, IP_MAPPINGS, from_tty); | |
3212 | } | |
3213 | ||
3214 | /* Implement `info proc stat'. */ | |
3215 | ||
3216 | static void | |
69f476a3 | 3217 | info_proc_cmd_stat (const char *args, int from_tty) |
145b16a9 UW |
3218 | { |
3219 | info_proc_cmd_1 (args, IP_STAT, from_tty); | |
3220 | } | |
3221 | ||
3222 | /* Implement `info proc status'. */ | |
3223 | ||
3224 | static void | |
69f476a3 | 3225 | info_proc_cmd_status (const char *args, int from_tty) |
145b16a9 UW |
3226 | { |
3227 | info_proc_cmd_1 (args, IP_STATUS, from_tty); | |
3228 | } | |
3229 | ||
3230 | /* Implement `info proc cwd'. */ | |
3231 | ||
3232 | static void | |
69f476a3 | 3233 | info_proc_cmd_cwd (const char *args, int from_tty) |
145b16a9 UW |
3234 | { |
3235 | info_proc_cmd_1 (args, IP_CWD, from_tty); | |
3236 | } | |
3237 | ||
3238 | /* Implement `info proc cmdline'. */ | |
3239 | ||
3240 | static void | |
69f476a3 | 3241 | info_proc_cmd_cmdline (const char *args, int from_tty) |
145b16a9 UW |
3242 | { |
3243 | info_proc_cmd_1 (args, IP_CMDLINE, from_tty); | |
3244 | } | |
3245 | ||
3246 | /* Implement `info proc exe'. */ | |
3247 | ||
3248 | static void | |
69f476a3 | 3249 | info_proc_cmd_exe (const char *args, int from_tty) |
145b16a9 UW |
3250 | { |
3251 | info_proc_cmd_1 (args, IP_EXE, from_tty); | |
3252 | } | |
3253 | ||
3254 | /* Implement `info proc all'. */ | |
3255 | ||
3256 | static void | |
69f476a3 | 3257 | info_proc_cmd_all (const char *args, int from_tty) |
145b16a9 UW |
3258 | { |
3259 | info_proc_cmd_1 (args, IP_ALL, from_tty); | |
3260 | } | |
3261 | ||
4e5a4f58 JB |
3262 | /* This help string is used for the run, start, and starti commands. |
3263 | It is defined as a macro to prevent duplication. */ | |
3264 | ||
3265 | #define RUN_ARGS_HELP \ | |
3266 | "You may specify arguments to give it.\n\ | |
3267 | Args may include \"*\", or \"[...]\"; they are expanded using the\n\ | |
3268 | shell that will start the program (specified by the \"$SHELL\" environment\n\ | |
3269 | variable). Input and output redirection with \">\", \"<\", or \">>\"\n\ | |
3270 | are also allowed.\n\ | |
3271 | \n\ | |
3272 | With no arguments, uses arguments last specified (with \"run\" or \n\ | |
3273 | \"set args\"). To cancel previous arguments and run with no arguments,\n\ | |
3274 | use \"set args\" without arguments.\n\ | |
3275 | \n\ | |
3276 | To start the inferior without using a shell, use \"set startup-with-shell off\"." | |
3277 | ||
c906108c | 3278 | void |
fba45db2 | 3279 | _initialize_infcmd (void) |
c906108c | 3280 | { |
145b16a9 | 3281 | static struct cmd_list_element *info_proc_cmdlist; |
3cb3b8df | 3282 | struct cmd_list_element *c = NULL; |
6f937416 | 3283 | const char *cmd_name; |
3cb3b8df | 3284 | |
1777feb0 | 3285 | /* Add the filename of the terminal connected to inferior I/O. */ |
0a1ddfa6 SM |
3286 | add_setshow_optional_filename_cmd ("inferior-tty", class_run, |
3287 | &inferior_io_terminal_scratch, _("\ | |
3cb3b8df BR |
3288 | Set terminal for future runs of program being debugged."), _("\ |
3289 | Show terminal for future runs of program being debugged."), _("\ | |
0a1ddfa6 SM |
3290 | Usage: set inferior-tty [TTY]\n\n\ |
3291 | If TTY is omitted, the default behavior of using the same terminal as GDB\n\ | |
3292 | is restored."), | |
3293 | set_inferior_tty_command, | |
3294 | show_inferior_tty_command, | |
3295 | &setlist, &showlist); | |
21873064 YQ |
3296 | cmd_name = "inferior-tty"; |
3297 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3298 | gdb_assert (c != NULL); | |
3299 | add_alias_cmd ("tty", c, class_alias, 0, &cmdlist); | |
c906108c | 3300 | |
6ace3df1 YQ |
3301 | cmd_name = "args"; |
3302 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
3303 | &inferior_args_scratch, _("\ | |
b4b4ac0b AC |
3304 | Set argument list to give program being debugged when it is started."), _("\ |
3305 | Show argument list to give program being debugged when it is started."), _("\ | |
3306 | Follow this command with any number of args, to be passed to the program."), | |
6ace3df1 YQ |
3307 | set_args_command, |
3308 | show_args_command, | |
3309 | &setlist, &showlist); | |
3310 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3311 | gdb_assert (c != NULL); | |
3312 | set_cmd_completer (c, filename_completer); | |
c906108c | 3313 | |
d092c5a2 SDJ |
3314 | cmd_name = "cwd"; |
3315 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
3316 | &inferior_cwd_scratch, _("\ | |
3317 | Set the current working directory to be used when the inferior is started.\n\ | |
3318 | Changing this setting does not have any effect on inferiors that are\n\ | |
3319 | already running."), | |
3320 | _("\ | |
3321 | Show the current working directory that is used when the inferior is started."), | |
3322 | _("\ | |
3323 | Use this command to change the current working directory that will be used\n\ | |
3324 | when the inferior is started. This setting does not affect GDB's current\n\ | |
3325 | working directory."), | |
3326 | set_cwd_command, | |
3327 | show_cwd_command, | |
3328 | &setlist, &showlist); | |
3329 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3330 | gdb_assert (c != NULL); | |
3331 | set_cmd_completer (c, filename_completer); | |
3332 | ||
1a966eab AC |
3333 | c = add_cmd ("environment", no_class, environment_info, _("\ |
3334 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
3335 | With an argument VAR, prints the value of environment variable VAR to\n\ |
3336 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 3337 | environment to be given to the program."), &showlist); |
5ba2abeb | 3338 | set_cmd_completer (c, noop_completer); |
c906108c SS |
3339 | |
3340 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 3341 | _("Complement to certain \"set\" commands."), |
c906108c | 3342 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 3343 | |
1a966eab AC |
3344 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
3345 | Cancel environment variable VAR for the program.\n\ | |
3346 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 3347 | &unsetlist); |
5ba2abeb | 3348 | set_cmd_completer (c, noop_completer); |
c906108c | 3349 | |
1a966eab AC |
3350 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
3351 | Set environment variable value to give the program.\n\ | |
c906108c SS |
3352 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
3353 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 3354 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 3355 | &setlist); |
5ba2abeb | 3356 | set_cmd_completer (c, noop_completer); |
c5aa993b | 3357 | |
1bedd215 AC |
3358 | c = add_com ("path", class_files, path_command, _("\ |
3359 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
3360 | $cwd in the path means the current working directory.\n\ |
3361 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
3362 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
3363 | fully linked executable files and separately compiled object files as \ |
3364 | needed.")); | |
5ba2abeb | 3365 | set_cmd_completer (c, filename_completer); |
c906108c | 3366 | |
1a966eab AC |
3367 | c = add_cmd ("paths", no_class, path_info, _("\ |
3368 | Current search path for finding object files.\n\ | |
c906108c SS |
3369 | $cwd in the path means the current working directory.\n\ |
3370 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
3371 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
3372 | fully linked executable files and separately compiled object files as \ |
3373 | needed."), | |
c906108c | 3374 | &showlist); |
5ba2abeb | 3375 | set_cmd_completer (c, noop_completer); |
c906108c | 3376 | |
2277426b PA |
3377 | add_prefix_cmd ("kill", class_run, kill_command, |
3378 | _("Kill execution of program being debugged."), | |
3379 | &killlist, "kill ", 0, &cmdlist); | |
5fd62852 | 3380 | |
1bedd215 AC |
3381 | add_com ("attach", class_run, attach_command, _("\ |
3382 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
3383 | This command attaches to another target, of the same type as your last\n\ |
3384 | \"target\" command (\"info files\" will show your target stack).\n\ | |
3385 | The command may take as argument a process id or a device file.\n\ | |
3386 | For a process id, you must have permission to send the process a signal,\n\ | |
3387 | and it must have the same effective uid as the debugger.\n\ | |
3388 | When using \"attach\" with a process id, the debugger finds the\n\ | |
3389 | program running in the process, looking first in the current working\n\ | |
3390 | directory, or (if not found there) using the source file search path\n\ | |
3391 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 3392 | to specify the program, and to load its symbol table.")); |
c906108c | 3393 | |
f73adfeb | 3394 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 3395 | Detach a process or file previously attached.\n\ |
c906108c | 3396 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
3397 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
3398 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 3399 | |
1bedd215 AC |
3400 | add_com ("disconnect", class_run, disconnect_command, _("\ |
3401 | Disconnect from a target.\n\ | |
6ad8ae5c | 3402 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 3403 | all targets.")); |
6ad8ae5c | 3404 | |
de0bea00 | 3405 | c = add_com ("signal", class_run, signal_command, _("\ |
486c7739 MF |
3406 | Continue program with the specified signal.\n\ |
3407 | Usage: signal SIGNAL\n\ | |
2edda2ff | 3408 | The SIGNAL argument is processed the same as the handle command.\n\ |
486c7739 MF |
3409 | \n\ |
3410 | An argument of \"0\" means continue the program without sending it a signal.\n\ | |
3411 | This is useful in cases where the program stopped because of a signal,\n\ | |
81219e53 DE |
3412 | and you want to resume the program while discarding the signal.\n\ |
3413 | \n\ | |
3414 | In a multi-threaded program the signal is delivered to, or discarded from,\n\ | |
3415 | the current thread only.")); | |
3416 | set_cmd_completer (c, signal_completer); | |
3417 | ||
3418 | c = add_com ("queue-signal", class_run, queue_signal_command, _("\ | |
3419 | Queue a signal to be delivered to the current thread when it is resumed.\n\ | |
3420 | Usage: queue-signal SIGNAL\n\ | |
3421 | The SIGNAL argument is processed the same as the handle command.\n\ | |
3422 | It is an error if the handling state of SIGNAL is \"nopass\".\n\ | |
3423 | \n\ | |
3424 | An argument of \"0\" means remove any currently queued signal from\n\ | |
3425 | the current thread. This is useful in cases where the program stopped\n\ | |
3426 | because of a signal, and you want to resume it while discarding the signal.\n\ | |
3427 | \n\ | |
3428 | In a multi-threaded program the signal is queued with, or discarded from,\n\ | |
3429 | the current thread only.")); | |
de0bea00 | 3430 | set_cmd_completer (c, signal_completer); |
c906108c | 3431 | |
1bedd215 AC |
3432 | add_com ("stepi", class_run, stepi_command, _("\ |
3433 | Step one instruction exactly.\n\ | |
486c7739 MF |
3434 | Usage: stepi [N]\n\ |
3435 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3436 | reason).")); |
c906108c SS |
3437 | add_com_alias ("si", "stepi", class_alias, 0); |
3438 | ||
1bedd215 AC |
3439 | add_com ("nexti", class_run, nexti_command, _("\ |
3440 | Step one instruction, but proceed through subroutine calls.\n\ | |
486c7739 MF |
3441 | Usage: nexti [N]\n\ |
3442 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3443 | reason).")); |
c906108c SS |
3444 | add_com_alias ("ni", "nexti", class_alias, 0); |
3445 | ||
1bedd215 AC |
3446 | add_com ("finish", class_run, finish_command, _("\ |
3447 | Execute until selected stack frame returns.\n\ | |
486c7739 | 3448 | Usage: finish\n\ |
1bedd215 | 3449 | Upon return, the value returned is printed and put in the value history.")); |
0e479716 | 3450 | add_com_alias ("fin", "finish", class_run, 1); |
c906108c | 3451 | |
1bedd215 AC |
3452 | add_com ("next", class_run, next_command, _("\ |
3453 | Step program, proceeding through subroutine calls.\n\ | |
486c7739 MF |
3454 | Usage: next [N]\n\ |
3455 | Unlike \"step\", if the current source line calls a subroutine,\n\ | |
3456 | this command does not enter the subroutine, but instead steps over\n\ | |
dbf6a605 | 3457 | the call, in effect treating it as a single source line.")); |
c906108c | 3458 | add_com_alias ("n", "next", class_run, 1); |
c906108c | 3459 | |
1bedd215 AC |
3460 | add_com ("step", class_run, step_command, _("\ |
3461 | Step program until it reaches a different source line.\n\ | |
486c7739 MF |
3462 | Usage: step [N]\n\ |
3463 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3464 | reason).")); |
c906108c SS |
3465 | add_com_alias ("s", "step", class_run, 1); |
3466 | ||
1bedd215 AC |
3467 | c = add_com ("until", class_run, until_command, _("\ |
3468 | Execute until the program reaches a source line greater than the current\n\ | |
3e43a32a MS |
3469 | or a specified location (same args as break command) within the current \ |
3470 | frame.")); | |
5ba2abeb | 3471 | set_cmd_completer (c, location_completer); |
c906108c | 3472 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 3473 | |
1bedd215 | 3474 | c = add_com ("advance", class_run, advance_command, _("\ |
3e43a32a MS |
3475 | Continue the program up to the given location (same form as args for break \ |
3476 | command).\n\ | |
1bedd215 | 3477 | Execution will also stop upon exit from the current stack frame.")); |
ae66c1fc EZ |
3478 | set_cmd_completer (c, location_completer); |
3479 | ||
1bedd215 AC |
3480 | c = add_com ("jump", class_run, jump_command, _("\ |
3481 | Continue program being debugged at specified line or address.\n\ | |
486c7739 | 3482 | Usage: jump <location>\n\ |
c906108c | 3483 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 3484 | for an address to start at.")); |
5ba2abeb | 3485 | set_cmd_completer (c, location_completer); |
c1d780c2 | 3486 | add_com_alias ("j", "jump", class_run, 1); |
c906108c | 3487 | |
df983543 | 3488 | add_com ("continue", class_run, continue_command, _("\ |
1bedd215 | 3489 | Continue program being debugged, after signal or breakpoint.\n\ |
486c7739 | 3490 | Usage: continue [N]\n\ |
c906108c SS |
3491 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
3492 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
8cae4b3f PA |
3493 | the breakpoint won't break until the Nth time it is reached).\n\ |
3494 | \n\ | |
3495 | If non-stop mode is enabled, continue only the current thread,\n\ | |
3496 | otherwise all the threads in the program are continued. To \n\ | |
3497 | continue all stopped threads in non-stop mode, use the -a option.\n\ | |
3498 | Specifying -a and an ignore count simultaneously is an error.")); | |
c906108c SS |
3499 | add_com_alias ("c", "cont", class_run, 1); |
3500 | add_com_alias ("fg", "cont", class_run, 1); | |
3501 | ||
1bedd215 | 3502 | c = add_com ("run", class_run, run_command, _("\ |
4e5a4f58 JB |
3503 | Start debugged program.\n" |
3504 | RUN_ARGS_HELP)); | |
5ba2abeb | 3505 | set_cmd_completer (c, filename_completer); |
c906108c | 3506 | add_com_alias ("r", "run", class_run, 1); |
c906108c | 3507 | |
1bedd215 | 3508 | c = add_com ("start", class_run, start_command, _("\ |
4e5a4f58 JB |
3509 | Start the debugged program stopping at the beginning of the main procedure.\n" |
3510 | RUN_ARGS_HELP)); | |
3511 | set_cmd_completer (c, filename_completer); | |
3512 | ||
3513 | c = add_com ("starti", class_run, starti_command, _("\ | |
3514 | Start the debugged program stopping at the first instruction.\n" | |
3515 | RUN_ARGS_HELP)); | |
a4d5f2e0 JB |
3516 | set_cmd_completer (c, filename_completer); |
3517 | ||
0a07590b | 3518 | add_com ("interrupt", class_run, interrupt_command, |
df983543 | 3519 | _("Interrupt the execution of the debugged program.\n\ |
8cae4b3f PA |
3520 | If non-stop mode is enabled, interrupt only the current thread,\n\ |
3521 | otherwise all the threads in the program are stopped. To \n\ | |
3522 | interrupt all running threads in non-stop mode, use the -a option.")); | |
43ff13b4 | 3523 | |
11db9430 | 3524 | c = add_info ("registers", info_registers_command, _("\ |
1bedd215 AC |
3525 | List of integer registers and their contents, for selected stack frame.\n\ |
3526 | Register name as argument means describe only that register.")); | |
7194c49b | 3527 | add_info_alias ("r", "registers", 1); |
71c24708 | 3528 | set_cmd_completer (c, reg_or_group_completer); |
c906108c | 3529 | |
11db9430 | 3530 | c = add_info ("all-registers", info_all_registers_command, _("\ |
1bedd215 AC |
3531 | List of all registers and their contents, for selected stack frame.\n\ |
3532 | Register name as argument means describe only that register.")); | |
71c24708 | 3533 | set_cmd_completer (c, reg_or_group_completer); |
c906108c | 3534 | |
11db9430 | 3535 | add_info ("program", info_program_command, |
1bedd215 | 3536 | _("Execution status of the program.")); |
c906108c | 3537 | |
11db9430 | 3538 | add_info ("float", info_float_command, |
1bedd215 | 3539 | _("Print the status of the floating point unit\n")); |
c906108c | 3540 | |
11db9430 | 3541 | add_info ("vector", info_vector_command, |
1bedd215 | 3542 | _("Print the status of the vector unit\n")); |
145b16a9 UW |
3543 | |
3544 | add_prefix_cmd ("proc", class_info, info_proc_cmd, | |
3545 | _("\ | |
3546 | Show /proc process information about any running process.\n\ | |
3547 | Specify any process id, or use the program being debugged by default."), | |
3548 | &info_proc_cmdlist, "info proc ", | |
3549 | 1/*allow-unknown*/, &infolist); | |
3550 | ||
3551 | add_cmd ("mappings", class_info, info_proc_cmd_mappings, _("\ | |
3552 | List of mapped memory regions."), | |
3553 | &info_proc_cmdlist); | |
3554 | ||
3555 | add_cmd ("stat", class_info, info_proc_cmd_stat, _("\ | |
3556 | List process info from /proc/PID/stat."), | |
3557 | &info_proc_cmdlist); | |
3558 | ||
3559 | add_cmd ("status", class_info, info_proc_cmd_status, _("\ | |
3560 | List process info from /proc/PID/status."), | |
3561 | &info_proc_cmdlist); | |
3562 | ||
3563 | add_cmd ("cwd", class_info, info_proc_cmd_cwd, _("\ | |
3564 | List current working directory of the process."), | |
3565 | &info_proc_cmdlist); | |
3566 | ||
3567 | add_cmd ("cmdline", class_info, info_proc_cmd_cmdline, _("\ | |
3568 | List command line arguments of the process."), | |
3569 | &info_proc_cmdlist); | |
3570 | ||
3571 | add_cmd ("exe", class_info, info_proc_cmd_exe, _("\ | |
3572 | List absolute filename for executable of the process."), | |
3573 | &info_proc_cmdlist); | |
3574 | ||
3575 | add_cmd ("all", class_info, info_proc_cmd_all, _("\ | |
3576 | List all available /proc info."), | |
3577 | &info_proc_cmdlist); | |
c906108c | 3578 | } |