Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 2 | |
e2882c85 | 3 | Copyright (C) 1986-2018 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
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> |
76727919 | 45 | #include "observable.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" |
b46a8d7c | 62 | #include "source.h" |
d5551862 | 63 | |
a58dd373 EZ |
64 | /* Local functions: */ |
65 | ||
a14ed312 | 66 | static void until_next_command (int); |
c906108c | 67 | |
0b39b52e | 68 | static void step_1 (int, int, const char *); |
c906108c | 69 | |
c906108c | 70 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 71 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c | 72 | |
3e43a32a MS |
73 | /* Scratch area where string containing arguments to give to the |
74 | program will be stored by 'set args'. As soon as anything is | |
75 | stored, notice_args_set will move it into per-inferior storage. | |
1777feb0 | 76 | Arguments are separated by spaces. Empty string (pointer to '\0') |
3e43a32a | 77 | means no args. */ |
c906108c | 78 | |
3f81c18a | 79 | static char *inferior_args_scratch; |
c906108c | 80 | |
d092c5a2 SDJ |
81 | /* Scratch area where the new cwd will be stored by 'set cwd'. */ |
82 | ||
83 | static char *inferior_cwd_scratch; | |
84 | ||
3f81c18a VP |
85 | /* Scratch area where 'set inferior-tty' will store user-provided value. |
86 | We'll immediate copy it into per-inferior storage. */ | |
552c04a7 | 87 | |
3f81c18a | 88 | static char *inferior_io_terminal_scratch; |
c906108c SS |
89 | |
90 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
91 | Since various parts of infrun.c test this to see whether there is a program | |
92 | being debugged it should be nonzero (currently 3 is used) for remote | |
93 | debugging. */ | |
94 | ||
39f77062 | 95 | ptid_t inferior_ptid; |
c906108c | 96 | |
c906108c SS |
97 | /* Address at which inferior stopped. */ |
98 | ||
99 | CORE_ADDR stop_pc; | |
100 | ||
c906108c SS |
101 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
102 | ||
aa7d318d | 103 | enum stop_stack_kind stop_stack_dummy; |
c906108c SS |
104 | |
105 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
106 | process. */ | |
107 | ||
108 | int stopped_by_random_signal; | |
109 | ||
98882a26 PA |
110 | /* See inferior.h. */ |
111 | ||
112 | int startup_with_shell = 1; | |
113 | ||
c906108c | 114 | \f |
1777feb0 | 115 | /* Accessor routines. */ |
07091751 | 116 | |
3f81c18a VP |
117 | /* Set the io terminal for the current inferior. Ownership of |
118 | TERMINAL_NAME is not transferred. */ | |
119 | ||
3cb3b8df BR |
120 | void |
121 | set_inferior_io_terminal (const char *terminal_name) | |
122 | { | |
3f81c18a | 123 | xfree (current_inferior ()->terminal); |
0a1ddfa6 SM |
124 | |
125 | if (terminal_name != NULL && *terminal_name != '\0') | |
126 | current_inferior ()->terminal = xstrdup (terminal_name); | |
127 | else | |
128 | current_inferior ()->terminal = NULL; | |
3cb3b8df BR |
129 | } |
130 | ||
131 | const char * | |
132 | get_inferior_io_terminal (void) | |
133 | { | |
3f81c18a VP |
134 | return current_inferior ()->terminal; |
135 | } | |
136 | ||
137 | static void | |
eb4c3f4a | 138 | set_inferior_tty_command (const char *args, int from_tty, |
3f81c18a VP |
139 | struct cmd_list_element *c) |
140 | { | |
141 | /* CLI has assigned the user-provided value to inferior_io_terminal_scratch. | |
142 | Now route it to current inferior. */ | |
143 | set_inferior_io_terminal (inferior_io_terminal_scratch); | |
144 | } | |
145 | ||
146 | static void | |
147 | show_inferior_tty_command (struct ui_file *file, int from_tty, | |
148 | struct cmd_list_element *c, const char *value) | |
149 | { | |
150 | /* Note that we ignore the passed-in value in favor of computing it | |
151 | directly. */ | |
275f2e57 | 152 | const char *inferior_io_terminal = get_inferior_io_terminal (); |
abbb1732 | 153 | |
275f2e57 DJ |
154 | if (inferior_io_terminal == NULL) |
155 | inferior_io_terminal = ""; | |
3f81c18a | 156 | fprintf_filtered (gdb_stdout, |
275f2e57 DJ |
157 | _("Terminal for future runs of program being debugged " |
158 | "is \"%s\".\n"), inferior_io_terminal); | |
3cb3b8df BR |
159 | } |
160 | ||
07091751 FN |
161 | char * |
162 | get_inferior_args (void) | |
163 | { | |
3f81c18a | 164 | if (current_inferior ()->argc != 0) |
552c04a7 | 165 | { |
3f81c18a | 166 | char *n; |
552c04a7 | 167 | |
3f81c18a VP |
168 | n = construct_inferior_arguments (current_inferior ()->argc, |
169 | current_inferior ()->argv); | |
170 | set_inferior_args (n); | |
171 | xfree (n); | |
552c04a7 TT |
172 | } |
173 | ||
3f81c18a VP |
174 | if (current_inferior ()->args == NULL) |
175 | current_inferior ()->args = xstrdup (""); | |
552c04a7 | 176 | |
3f81c18a | 177 | return current_inferior ()->args; |
07091751 FN |
178 | } |
179 | ||
3f81c18a VP |
180 | /* Set the arguments for the current inferior. Ownership of |
181 | NEWARGS is not transferred. */ | |
182 | ||
183 | void | |
0b39b52e | 184 | set_inferior_args (const char *newargs) |
07091751 | 185 | { |
3f81c18a VP |
186 | xfree (current_inferior ()->args); |
187 | current_inferior ()->args = newargs ? xstrdup (newargs) : NULL; | |
188 | current_inferior ()->argc = 0; | |
189 | current_inferior ()->argv = 0; | |
07091751 | 190 | } |
c5aa993b | 191 | |
552c04a7 TT |
192 | void |
193 | set_inferior_args_vector (int argc, char **argv) | |
194 | { | |
3f81c18a VP |
195 | current_inferior ()->argc = argc; |
196 | current_inferior ()->argv = argv; | |
552c04a7 TT |
197 | } |
198 | ||
199 | /* Notice when `set args' is run. */ | |
6339bfc4 | 200 | |
552c04a7 | 201 | static void |
eb4c3f4a | 202 | set_args_command (const char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 | 203 | { |
3f81c18a VP |
204 | /* CLI has assigned the user-provided value to inferior_args_scratch. |
205 | Now route it to current inferior. */ | |
206 | set_inferior_args (inferior_args_scratch); | |
552c04a7 TT |
207 | } |
208 | ||
209 | /* Notice when `show args' is run. */ | |
6339bfc4 | 210 | |
552c04a7 | 211 | static void |
3f81c18a VP |
212 | show_args_command (struct ui_file *file, int from_tty, |
213 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 214 | { |
258c00cc TT |
215 | /* Note that we ignore the passed-in value in favor of computing it |
216 | directly. */ | |
217 | deprecated_show_value_hack (file, from_tty, c, get_inferior_args ()); | |
552c04a7 TT |
218 | } |
219 | ||
bc3b087d | 220 | /* See common/common-inferior.h. */ |
d092c5a2 | 221 | |
bc3b087d | 222 | void |
d092c5a2 SDJ |
223 | set_inferior_cwd (const char *cwd) |
224 | { | |
225 | struct inferior *inf = current_inferior (); | |
226 | ||
227 | gdb_assert (inf != NULL); | |
228 | ||
229 | if (cwd == NULL) | |
230 | inf->cwd.reset (); | |
231 | else | |
232 | inf->cwd.reset (xstrdup (cwd)); | |
233 | } | |
234 | ||
235 | /* See common/common-inferior.h. */ | |
236 | ||
237 | const char * | |
238 | get_inferior_cwd () | |
239 | { | |
240 | return current_inferior ()->cwd.get (); | |
241 | } | |
242 | ||
243 | /* Handle the 'set cwd' command. */ | |
244 | ||
245 | static void | |
eb4c3f4a | 246 | set_cwd_command (const char *args, int from_tty, struct cmd_list_element *c) |
d092c5a2 SDJ |
247 | { |
248 | if (*inferior_cwd_scratch == '\0') | |
249 | set_inferior_cwd (NULL); | |
250 | else | |
251 | set_inferior_cwd (inferior_cwd_scratch); | |
252 | } | |
253 | ||
254 | /* Handle the 'show cwd' command. */ | |
255 | ||
256 | static void | |
257 | show_cwd_command (struct ui_file *file, int from_tty, | |
258 | struct cmd_list_element *c, const char *value) | |
259 | { | |
260 | const char *cwd = get_inferior_cwd (); | |
261 | ||
262 | if (cwd == NULL) | |
263 | fprintf_filtered (gdb_stdout, | |
264 | _("\ | |
265 | You have not set the inferior's current working directory.\n\ | |
bc3b087d SDJ |
266 | The inferior will inherit GDB's cwd if native debugging, or the remote\n\ |
267 | server's cwd if remote debugging.\n")); | |
d092c5a2 SDJ |
268 | else |
269 | fprintf_filtered (gdb_stdout, | |
270 | _("Current working directory that will be used " | |
271 | "when starting the inferior is \"%s\".\n"), cwd); | |
272 | } | |
273 | ||
c2a727fa TT |
274 | \f |
275 | /* Compute command-line string given argument vector. This does the | |
276 | same shell processing as fork_inferior. */ | |
6339bfc4 | 277 | |
c2a727fa | 278 | char * |
bd57a748 | 279 | construct_inferior_arguments (int argc, char **argv) |
c2a727fa TT |
280 | { |
281 | char *result; | |
282 | ||
98882a26 | 283 | if (startup_with_shell) |
c2a727fa | 284 | { |
5d60742e EZ |
285 | #ifdef __MINGW32__ |
286 | /* This holds all the characters considered special to the | |
287 | Windows shells. */ | |
a121b7c1 PA |
288 | static const char special[] = "\"!&*|[]{}<>?`~^=;, \t\n"; |
289 | static const char quote = '"'; | |
5d60742e | 290 | #else |
c2a727fa TT |
291 | /* This holds all the characters considered special to the |
292 | typical Unix shells. We include `^' because the SunOS | |
293 | /bin/sh treats it as a synonym for `|'. */ | |
a121b7c1 PA |
294 | static const char special[] = "\"!#$&*()\\|[]{}<>?'`~^; \t\n"; |
295 | static const char quote = '\''; | |
5d60742e | 296 | #endif |
c2a727fa TT |
297 | int i; |
298 | int length = 0; | |
299 | char *out, *cp; | |
300 | ||
301 | /* We over-compute the size. It shouldn't matter. */ | |
302 | for (i = 0; i < argc; ++i) | |
c2226152 | 303 | length += 3 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
304 | |
305 | result = (char *) xmalloc (length); | |
306 | out = result; | |
307 | ||
308 | for (i = 0; i < argc; ++i) | |
309 | { | |
310 | if (i > 0) | |
311 | *out++ = ' '; | |
312 | ||
03c6228e AS |
313 | /* Need to handle empty arguments specially. */ |
314 | if (argv[i][0] == '\0') | |
c2a727fa | 315 | { |
5d60742e EZ |
316 | *out++ = quote; |
317 | *out++ = quote; | |
03c6228e AS |
318 | } |
319 | else | |
320 | { | |
5d60742e EZ |
321 | #ifdef __MINGW32__ |
322 | int quoted = 0; | |
323 | ||
324 | if (strpbrk (argv[i], special)) | |
325 | { | |
326 | quoted = 1; | |
327 | *out++ = quote; | |
328 | } | |
329 | #endif | |
03c6228e AS |
330 | for (cp = argv[i]; *cp; ++cp) |
331 | { | |
c2226152 AS |
332 | if (*cp == '\n') |
333 | { | |
334 | /* A newline cannot be quoted with a backslash (it | |
335 | just disappears), only by putting it inside | |
336 | quotes. */ | |
5d60742e | 337 | *out++ = quote; |
c2226152 | 338 | *out++ = '\n'; |
5d60742e | 339 | *out++ = quote; |
c2226152 AS |
340 | } |
341 | else | |
342 | { | |
5d60742e EZ |
343 | #ifdef __MINGW32__ |
344 | if (*cp == quote) | |
345 | #else | |
c2226152 | 346 | if (strchr (special, *cp) != NULL) |
5d60742e | 347 | #endif |
c2226152 AS |
348 | *out++ = '\\'; |
349 | *out++ = *cp; | |
350 | } | |
03c6228e | 351 | } |
5d60742e EZ |
352 | #ifdef __MINGW32__ |
353 | if (quoted) | |
354 | *out++ = quote; | |
355 | #endif | |
c2a727fa TT |
356 | } |
357 | } | |
358 | *out = '\0'; | |
359 | } | |
360 | else | |
361 | { | |
362 | /* In this case we can't handle arguments that contain spaces, | |
363 | tabs, or newlines -- see breakup_args(). */ | |
364 | int i; | |
365 | int length = 0; | |
366 | ||
367 | for (i = 0; i < argc; ++i) | |
368 | { | |
369 | char *cp = strchr (argv[i], ' '); | |
370 | if (cp == NULL) | |
371 | cp = strchr (argv[i], '\t'); | |
372 | if (cp == NULL) | |
373 | cp = strchr (argv[i], '\n'); | |
374 | if (cp != NULL) | |
3e43a32a MS |
375 | error (_("can't handle command-line " |
376 | "argument containing whitespace")); | |
c2a727fa TT |
377 | length += strlen (argv[i]) + 1; |
378 | } | |
379 | ||
380 | result = (char *) xmalloc (length); | |
381 | result[0] = '\0'; | |
382 | for (i = 0; i < argc; ++i) | |
383 | { | |
384 | if (i > 0) | |
385 | strcat (result, " "); | |
386 | strcat (result, argv[i]); | |
387 | } | |
388 | } | |
389 | ||
390 | return result; | |
391 | } | |
552c04a7 TT |
392 | \f |
393 | ||
6c4486e6 PA |
394 | /* This function strips the '&' character (indicating background |
395 | execution) that is added as *the last* of the arguments ARGS of a | |
396 | command. A copy of the incoming ARGS without the '&' is returned, | |
397 | unless the resulting string after stripping is empty, in which case | |
398 | NULL is returned. *BG_CHAR_P is an output boolean that indicates | |
399 | whether the '&' character was found. */ | |
6339bfc4 | 400 | |
6be9a197 | 401 | static gdb::unique_xmalloc_ptr<char> |
6c4486e6 | 402 | strip_bg_char (const char *args, int *bg_char_p) |
43ff13b4 | 403 | { |
6c4486e6 | 404 | const char *p; |
c5aa993b | 405 | |
6c4486e6 PA |
406 | if (args == NULL || *args == '\0') |
407 | { | |
408 | *bg_char_p = 0; | |
409 | return NULL; | |
410 | } | |
c5aa993b | 411 | |
6c4486e6 PA |
412 | p = args + strlen (args); |
413 | if (p[-1] == '&') | |
43ff13b4 | 414 | { |
6c4486e6 PA |
415 | p--; |
416 | while (p > args && isspace (p[-1])) | |
417 | p--; | |
418 | ||
419 | *bg_char_p = 1; | |
420 | if (p != args) | |
6be9a197 TT |
421 | return gdb::unique_xmalloc_ptr<char> |
422 | (savestring (args, p - args)); | |
6c4486e6 | 423 | else |
6be9a197 | 424 | return gdb::unique_xmalloc_ptr<char> (nullptr); |
43ff13b4 | 425 | } |
6c4486e6 PA |
426 | |
427 | *bg_char_p = 0; | |
6be9a197 | 428 | return gdb::unique_xmalloc_ptr<char> (xstrdup (args)); |
43ff13b4 JM |
429 | } |
430 | ||
281b533b DJ |
431 | /* Common actions to take after creating any sort of inferior, by any |
432 | means (running, attaching, connecting, et cetera). The target | |
433 | should be stopped. */ | |
434 | ||
435 | void | |
436 | post_create_inferior (struct target_ops *target, int from_tty) | |
437 | { | |
ce406537 | 438 | |
b79599ff | 439 | /* Be sure we own the terminal in case write operations are performed. */ |
223ffa71 | 440 | target_terminal::ours_for_output (); |
b79599ff | 441 | |
424163ea DJ |
442 | /* If the target hasn't taken care of this already, do it now. |
443 | Targets which need to access registers during to_open, | |
444 | to_create_inferior, or to_attach should do it earlier; but many | |
445 | don't need to. */ | |
446 | target_find_description (); | |
447 | ||
ce406537 PA |
448 | /* Now that we know the register layout, retrieve current PC. But |
449 | if the PC is unavailable (e.g., we're opening a core file with | |
450 | missing registers info), ignore it. */ | |
451 | stop_pc = 0; | |
492d29ea | 452 | TRY |
ce406537 PA |
453 | { |
454 | stop_pc = regcache_read_pc (get_current_regcache ()); | |
455 | } | |
492d29ea | 456 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
457 | { |
458 | if (ex.error != NOT_AVAILABLE_ERROR) | |
459 | throw_exception (ex); | |
460 | } | |
492d29ea | 461 | END_CATCH |
f698437e | 462 | |
50c71eaf PA |
463 | if (exec_bfd) |
464 | { | |
2eff07b3 PP |
465 | const unsigned solib_add_generation |
466 | = current_program_space->solib_add_generation; | |
467 | ||
9353355f DJ |
468 | /* Create the hooks to handle shared library load and unload |
469 | events. */ | |
268a4a75 | 470 | solib_create_inferior_hook (from_tty); |
268a4a75 | 471 | |
2eff07b3 PP |
472 | if (current_program_space->solib_add_generation == solib_add_generation) |
473 | { | |
474 | /* The platform-specific hook should load initial shared libraries, | |
475 | but didn't. FROM_TTY will be incorrectly 0 but such solib | |
476 | targets should be fixed anyway. Call it only after the solib | |
477 | target has been initialized by solib_create_inferior_hook. */ | |
478 | ||
479 | if (info_verbose) | |
480 | warning (_("platform-specific solib_create_inferior_hook did " | |
481 | "not load initial shared libraries.")); | |
482 | ||
483 | /* If the solist is global across processes, there's no need to | |
484 | refetch it here. */ | |
f5656ead | 485 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
e696b3ad | 486 | solib_add (NULL, 0, auto_solib_add); |
2eff07b3 | 487 | } |
9353355f DJ |
488 | } |
489 | ||
ea5d7a99 PM |
490 | /* If the user sets watchpoints before execution having started, |
491 | then she gets software watchpoints, because GDB can't know which | |
492 | target will end up being pushed, or if it supports hardware | |
493 | watchpoints or not. breakpoint_re_set takes care of promoting | |
494 | watchpoints to hardware watchpoints if possible, however, if this | |
495 | new inferior doesn't load shared libraries or we don't pull in | |
496 | symbols from any other source on this target/arch, | |
497 | breakpoint_re_set is never called. Call it now so that software | |
498 | watchpoints get a chance to be promoted to hardware watchpoints | |
499 | if the now pushed target supports hardware watchpoints. */ | |
500 | breakpoint_re_set (); | |
501 | ||
76727919 | 502 | gdb::observers::inferior_created.notify (target, from_tty); |
281b533b DJ |
503 | } |
504 | ||
a4d5f2e0 JB |
505 | /* Kill the inferior if already running. This function is designed |
506 | to be called when we are about to start the execution of the program | |
507 | from the beginning. Ask the user to confirm that he wants to restart | |
508 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 509 | |
8edfe269 | 510 | static void |
a4d5f2e0 JB |
511 | kill_if_already_running (int from_tty) |
512 | { | |
39f77062 | 513 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 514 | { |
8edfe269 DJ |
515 | /* Bail out before killing the program if we will not be able to |
516 | restart it. */ | |
517 | target_require_runnable (); | |
518 | ||
adf40b2e | 519 | if (from_tty |
9e2f0ad4 HZ |
520 | && !query (_("The program being debugged has been started already.\n\ |
521 | Start it from the beginning? "))) | |
8a3fe4f8 | 522 | error (_("Program not restarted.")); |
c906108c | 523 | target_kill (); |
c906108c | 524 | } |
a4d5f2e0 JB |
525 | } |
526 | ||
329ea579 | 527 | /* See inferior.h. */ |
8bc2fe48 | 528 | |
329ea579 | 529 | void |
8bc2fe48 PA |
530 | prepare_execution_command (struct target_ops *target, int background) |
531 | { | |
532 | /* If we get a request for running in the bg but the target | |
533 | doesn't support it, error out. */ | |
f6ac5f3d | 534 | if (background && !target->can_async_p ()) |
8bc2fe48 PA |
535 | error (_("Asynchronous execution not supported on this target.")); |
536 | ||
0b333c5e | 537 | if (!background) |
8bc2fe48 | 538 | { |
0b333c5e PA |
539 | /* If we get a request for running in the fg, then we need to |
540 | simulate synchronous (fg) execution. Note no cleanup is | |
541 | necessary for this. stdin is re-enabled whenever an error | |
542 | reaches the top level. */ | |
a8836c93 | 543 | all_uis_on_sync_execution_starting (); |
8bc2fe48 PA |
544 | } |
545 | } | |
546 | ||
4e5a4f58 JB |
547 | /* Determine how the new inferior will behave. */ |
548 | ||
549 | enum run_how | |
550 | { | |
551 | /* Run program without any explicit stop during startup. */ | |
552 | RUN_NORMAL, | |
553 | ||
554 | /* Stop at the beginning of the program's main function. */ | |
555 | RUN_STOP_AT_MAIN, | |
556 | ||
557 | /* Stop at the first instruction of the program. */ | |
558 | RUN_STOP_AT_FIRST_INSN | |
559 | }; | |
560 | ||
561 | /* Implement the "run" command. Force a stop during program start if | |
562 | requested by RUN_HOW. */ | |
f67a969f | 563 | |
a4d5f2e0 | 564 | static void |
0b39b52e | 565 | run_command_1 (const char *args, int from_tty, enum run_how run_how) |
a4d5f2e0 | 566 | { |
7c5ded6a | 567 | const char *exec_file; |
79a45e25 | 568 | struct ui_out *uiout = current_uiout; |
b3ccfe11 | 569 | struct target_ops *run_target; |
6c4486e6 | 570 | int async_exec; |
c906108c | 571 | |
a4d5f2e0 JB |
572 | dont_repeat (); |
573 | ||
574 | kill_if_already_running (from_tty); | |
3c35e65b UW |
575 | |
576 | init_wait_for_inferior (); | |
c906108c SS |
577 | clear_breakpoint_hit_counts (); |
578 | ||
fd79ecee DJ |
579 | /* Clean up any leftovers from other runs. Some other things from |
580 | this function should probably be moved into target_pre_inferior. */ | |
581 | target_pre_inferior (from_tty); | |
582 | ||
39ad761d JB |
583 | /* The comment here used to read, "The exec file is re-read every |
584 | time we do a generic_mourn_inferior, so we just have to worry | |
585 | about the symbol file." The `generic_mourn_inferior' function | |
586 | gets called whenever the program exits. However, suppose the | |
587 | program exits, and *then* the executable file changes? We need | |
588 | to check again here. Since reopen_exec_file doesn't do anything | |
589 | if the timestamp hasn't changed, I don't see the harm. */ | |
590 | reopen_exec_file (); | |
c906108c SS |
591 | reread_symbols (); |
592 | ||
6be9a197 TT |
593 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (args, &async_exec); |
594 | args = stripped.get (); | |
f67a969f | 595 | |
8bc2fe48 PA |
596 | /* Do validation and preparation before possibly changing anything |
597 | in the inferior. */ | |
39ad761d | 598 | |
b3ccfe11 TT |
599 | run_target = find_run_target (); |
600 | ||
8bc2fe48 PA |
601 | prepare_execution_command (run_target, async_exec); |
602 | ||
f6ac5f3d | 603 | if (non_stop && !run_target->supports_non_stop ()) |
9908b566 VP |
604 | error (_("The target does not support running in non-stop mode.")); |
605 | ||
8bc2fe48 PA |
606 | /* Done. Can now set breakpoints, change inferior args, etc. */ |
607 | ||
4e5a4f58 JB |
608 | /* Insert temporary breakpoint in main function if requested. */ |
609 | if (run_how == RUN_STOP_AT_MAIN) | |
8bc2fe48 PA |
610 | tbreak_command (main_name (), 0); |
611 | ||
7c5ded6a | 612 | exec_file = get_exec_file (0); |
8bc2fe48 | 613 | |
c906108c SS |
614 | /* We keep symbols from add-symbol-file, on the grounds that the |
615 | user might want to add some symbols before running the program | |
616 | (right?). But sometimes (dynamic loading where the user manually | |
617 | introduces the new symbols with add-symbol-file), the code which | |
618 | the symbols describe does not persist between runs. Currently | |
619 | the user has to manually nuke all symbols between runs if they | |
620 | want them to go away (PR 2207). This is probably reasonable. */ | |
621 | ||
8bc2fe48 PA |
622 | /* If there were other args, beside '&', process them. */ |
623 | if (args != NULL) | |
624 | set_inferior_args (args); | |
c906108c SS |
625 | |
626 | if (from_tty) | |
627 | { | |
112e8700 SM |
628 | uiout->field_string (NULL, "Starting program"); |
629 | uiout->text (": "); | |
8b93c638 | 630 | if (exec_file) |
112e8700 SM |
631 | uiout->field_string ("execfile", exec_file); |
632 | uiout->spaces (1); | |
552c04a7 TT |
633 | /* We call get_inferior_args() because we might need to compute |
634 | the value now. */ | |
112e8700 SM |
635 | uiout->field_string ("infargs", get_inferior_args ()); |
636 | uiout->text ("\n"); | |
637 | uiout->flush (); | |
c906108c SS |
638 | } |
639 | ||
552c04a7 TT |
640 | /* We call get_inferior_args() because we might need to compute |
641 | the value now. */ | |
f6ac5f3d PA |
642 | run_target->create_inferior (exec_file, |
643 | std::string (get_inferior_args ()), | |
644 | current_inferior ()->environment.envp (), | |
645 | from_tty); | |
b3ccfe11 TT |
646 | /* to_create_inferior should push the target, so after this point we |
647 | shouldn't refer to run_target again. */ | |
648 | run_target = NULL; | |
281b533b | 649 | |
29f49a6a PA |
650 | /* We're starting off a new process. When we get out of here, in |
651 | non-stop mode, finish the state of all threads of that process, | |
652 | but leave other threads alone, as they may be stopped in internal | |
653 | events --- the frontend shouldn't see them as stopped. In | |
654 | all-stop, always finish the state of all threads, as we may be | |
655 | resuming more than just the new process. */ | |
731f534f PA |
656 | ptid_t finish_ptid = (non_stop |
657 | ? ptid_t (current_inferior ()->pid) | |
658 | : minus_one_ptid); | |
659 | scoped_finish_thread_state finish_state (finish_ptid); | |
29f49a6a | 660 | |
de1b3c3d PA |
661 | /* Pass zero for FROM_TTY, because at this point the "run" command |
662 | has done its thing; now we are setting up the running program. */ | |
f6ac5f3d | 663 | post_create_inferior (target_stack, 0); |
281b533b | 664 | |
4e5a4f58 JB |
665 | /* Queue a pending event so that the program stops immediately. */ |
666 | if (run_how == RUN_STOP_AT_FIRST_INSN) | |
667 | { | |
668 | thread_info *thr = inferior_thread (); | |
669 | thr->suspend.waitstatus_pending_p = 1; | |
670 | thr->suspend.waitstatus.kind = TARGET_WAITKIND_STOPPED; | |
671 | thr->suspend.waitstatus.value.sig = GDB_SIGNAL_0; | |
672 | } | |
673 | ||
74d1f91e JK |
674 | /* Start the target running. Do not use -1 continuation as it would skip |
675 | breakpoint right at the entry point. */ | |
64ce06e4 | 676 | proceed (regcache_read_pc (get_current_regcache ()), GDB_SIGNAL_0); |
c906108c | 677 | |
29f49a6a PA |
678 | /* Since there was no error, there's no need to finish the thread |
679 | states here. */ | |
731f534f | 680 | finish_state.release (); |
29f49a6a | 681 | } |
c906108c | 682 | |
f67a969f | 683 | static void |
0b39b52e | 684 | run_command (const char *args, int from_tty) |
f67a969f | 685 | { |
4e5a4f58 | 686 | run_command_1 (args, from_tty, RUN_NORMAL); |
f67a969f JB |
687 | } |
688 | ||
a4d5f2e0 JB |
689 | /* Start the execution of the program up until the beginning of the main |
690 | program. */ | |
691 | ||
692 | static void | |
0b39b52e | 693 | start_command (const char *args, int from_tty) |
a4d5f2e0 JB |
694 | { |
695 | /* Some languages such as Ada need to search inside the program | |
696 | minimal symbols for the location where to put the temporary | |
697 | breakpoint before starting. */ | |
698 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 699 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 700 | |
f67a969f | 701 | /* Run the program until reaching the main procedure... */ |
4e5a4f58 JB |
702 | run_command_1 (args, from_tty, RUN_STOP_AT_MAIN); |
703 | } | |
704 | ||
705 | /* Start the execution of the program stopping at the first | |
706 | instruction. */ | |
707 | ||
708 | static void | |
0b39b52e | 709 | starti_command (const char *args, int from_tty) |
4e5a4f58 JB |
710 | { |
711 | run_command_1 (args, from_tty, RUN_STOP_AT_FIRST_INSN); | |
a4d5f2e0 JB |
712 | } |
713 | ||
8cae4b3f PA |
714 | static int |
715 | proceed_thread_callback (struct thread_info *thread, void *arg) | |
716 | { | |
74531fed PA |
717 | /* We go through all threads individually instead of compressing |
718 | into a single target `resume_all' request, because some threads | |
719 | may be stopped in internal breakpoints/events, or stopped waiting | |
720 | for its turn in the displaced stepping queue (that is, they are | |
721 | running && !executing). The target side has no idea about why | |
722 | the thread is stopped, so a `resume_all' command would resume too | |
723 | much. If/when GDB gains a way to tell the target `hold this | |
724 | thread stopped until I say otherwise', then we can optimize | |
725 | this. */ | |
4f8d22e3 | 726 | if (!is_stopped (thread->ptid)) |
8cae4b3f PA |
727 | return 0; |
728 | ||
dcf4fbde | 729 | switch_to_thread (thread->ptid); |
70509625 | 730 | clear_proceed_status (0); |
64ce06e4 | 731 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
8cae4b3f PA |
732 | return 0; |
733 | } | |
734 | ||
70221824 | 735 | static void |
d729566a PA |
736 | ensure_valid_thread (void) |
737 | { | |
738 | if (ptid_equal (inferior_ptid, null_ptid) | |
739 | || is_exited (inferior_ptid)) | |
3e43a32a | 740 | error (_("Cannot execute this command without a live selected thread.")); |
d729566a PA |
741 | } |
742 | ||
573cda03 | 743 | /* If the user is looking at trace frames, any resumption of execution |
1777feb0 | 744 | is likely to mix up recorded and live target data. So simply |
573cda03 SS |
745 | disallow those commands. */ |
746 | ||
70221824 | 747 | static void |
573cda03 SS |
748 | ensure_not_tfind_mode (void) |
749 | { | |
750 | if (get_traceframe_number () >= 0) | |
3e43a32a | 751 | error (_("Cannot execute this command while looking at trace frames.")); |
573cda03 SS |
752 | } |
753 | ||
3d3fef6b YQ |
754 | /* Throw an error indicating the current thread is running. */ |
755 | ||
756 | static void | |
757 | error_is_running (void) | |
758 | { | |
759 | error (_("Cannot execute this command while " | |
760 | "the selected thread is running.")); | |
761 | } | |
762 | ||
763 | /* Calls error_is_running if the current thread is running. */ | |
764 | ||
765 | static void | |
766 | ensure_not_running (void) | |
767 | { | |
768 | if (is_running (inferior_ptid)) | |
769 | error_is_running (); | |
770 | } | |
771 | ||
77ebaa5a VP |
772 | void |
773 | continue_1 (int all_threads) | |
774 | { | |
3d488bfc | 775 | ERROR_NO_INFERIOR; |
573cda03 | 776 | ensure_not_tfind_mode (); |
3d488bfc | 777 | |
77ebaa5a VP |
778 | if (non_stop && all_threads) |
779 | { | |
780 | /* Don't error out if the current thread is running, because | |
abbb1732 | 781 | there may be other stopped threads. */ |
77ebaa5a | 782 | |
5ed8105e PA |
783 | /* Backup current thread and selected frame and restore on scope |
784 | exit. */ | |
785 | scoped_restore_current_thread restore_thread; | |
77ebaa5a VP |
786 | |
787 | iterate_over_threads (proceed_thread_callback, NULL); | |
788 | ||
3b12939d | 789 | if (current_ui->prompt_state == PROMPT_BLOCKED) |
0ff33695 PA |
790 | { |
791 | /* If all threads in the target were already running, | |
792 | proceed_thread_callback ends up never calling proceed, | |
793 | and so nothing calls this to put the inferior's terminal | |
794 | settings in effect and remove stdin from the event loop, | |
795 | which we must when running a foreground command. E.g.: | |
796 | ||
797 | (gdb) c -a& | |
798 | Continuing. | |
799 | <all threads are running now> | |
800 | (gdb) c -a | |
801 | Continuing. | |
802 | <no thread was resumed, but the inferior now owns the terminal> | |
803 | */ | |
223ffa71 | 804 | target_terminal::inferior (); |
0ff33695 | 805 | } |
77ebaa5a VP |
806 | } |
807 | else | |
808 | { | |
d729566a | 809 | ensure_valid_thread (); |
77ebaa5a | 810 | ensure_not_running (); |
70509625 | 811 | clear_proceed_status (0); |
64ce06e4 | 812 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
77ebaa5a VP |
813 | } |
814 | } | |
815 | ||
8cae4b3f | 816 | /* continue [-a] [proceed-count] [&] */ |
6339bfc4 | 817 | |
1dd5fedc | 818 | static void |
0b39b52e | 819 | continue_command (const char *args, int from_tty) |
c906108c | 820 | { |
6c4486e6 | 821 | int async_exec; |
8cae4b3f | 822 | int all_threads = 0; |
6c4486e6 | 823 | |
c906108c SS |
824 | ERROR_NO_INFERIOR; |
825 | ||
1777feb0 | 826 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
827 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (args, &async_exec); |
828 | args = stripped.get (); | |
43ff13b4 | 829 | |
8cae4b3f PA |
830 | if (args != NULL) |
831 | { | |
61012eef | 832 | if (startswith (args, "-a")) |
8cae4b3f PA |
833 | { |
834 | all_threads = 1; | |
835 | args += sizeof ("-a") - 1; | |
836 | if (*args == '\0') | |
837 | args = NULL; | |
838 | } | |
839 | } | |
840 | ||
841 | if (!non_stop && all_threads) | |
842 | error (_("`-a' is meaningless in all-stop mode.")); | |
843 | ||
844 | if (args != NULL && all_threads) | |
3e43a32a MS |
845 | error (_("Can't resume all threads and specify " |
846 | "proceed count simultaneously.")); | |
8cae4b3f PA |
847 | |
848 | /* If we have an argument left, set proceed count of breakpoint we | |
849 | stopped at. */ | |
850 | if (args != NULL) | |
c906108c | 851 | { |
347bddb7 | 852 | bpstat bs = NULL; |
8671a17b PA |
853 | int num, stat; |
854 | int stopped = 0; | |
347bddb7 PA |
855 | struct thread_info *tp; |
856 | ||
857 | if (non_stop) | |
e09875d4 | 858 | tp = find_thread_ptid (inferior_ptid); |
347bddb7 PA |
859 | else |
860 | { | |
861 | ptid_t last_ptid; | |
862 | struct target_waitstatus ws; | |
863 | ||
864 | get_last_target_status (&last_ptid, &ws); | |
e09875d4 | 865 | tp = find_thread_ptid (last_ptid); |
347bddb7 PA |
866 | } |
867 | if (tp != NULL) | |
16c381f0 | 868 | bs = tp->control.stop_bpstat; |
8671a17b PA |
869 | |
870 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
871 | if (stat > 0) | |
872 | { | |
873 | set_ignore_count (num, | |
8cae4b3f | 874 | parse_and_eval_long (args) - 1, |
8671a17b PA |
875 | from_tty); |
876 | /* set_ignore_count prints a message ending with a period. | |
877 | So print two spaces before "Continuing.". */ | |
878 | if (from_tty) | |
879 | printf_filtered (" "); | |
880 | stopped = 1; | |
881 | } | |
882 | ||
883 | if (!stopped && from_tty) | |
c906108c SS |
884 | { |
885 | printf_filtered | |
886 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
887 | } | |
c906108c SS |
888 | } |
889 | ||
3b12939d PA |
890 | ERROR_NO_INFERIOR; |
891 | ensure_not_tfind_mode (); | |
892 | ||
893 | if (!non_stop || !all_threads) | |
894 | { | |
895 | ensure_valid_thread (); | |
896 | ensure_not_running (); | |
897 | } | |
898 | ||
f6ac5f3d | 899 | prepare_execution_command (target_stack, async_exec); |
3b12939d | 900 | |
c906108c | 901 | if (from_tty) |
a3f17187 | 902 | printf_filtered (_("Continuing.\n")); |
c906108c | 903 | |
77ebaa5a | 904 | continue_1 (all_threads); |
c906108c SS |
905 | } |
906 | \f | |
edb3359d DJ |
907 | /* Record the starting point of a "step" or "next" command. */ |
908 | ||
909 | static void | |
910 | set_step_frame (void) | |
911 | { | |
51abb421 | 912 | frame_info *frame = get_current_frame (); |
edb3359d | 913 | |
51abb421 | 914 | symtab_and_line sal = find_frame_sal (frame); |
64ce06e4 | 915 | set_step_info (frame, sal); |
51abb421 PA |
916 | |
917 | CORE_ADDR pc = get_frame_pc (frame); | |
918 | thread_info *tp = inferior_thread (); | |
64ce06e4 | 919 | tp->control.step_start_function = find_pc_function (pc); |
edb3359d DJ |
920 | } |
921 | ||
c906108c SS |
922 | /* Step until outside of current statement. */ |
923 | ||
c906108c | 924 | static void |
0b39b52e | 925 | step_command (const char *count_string, int from_tty) |
c906108c SS |
926 | { |
927 | step_1 (0, 0, count_string); | |
928 | } | |
929 | ||
930 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
931 | ||
c906108c | 932 | static void |
0b39b52e | 933 | next_command (const char *count_string, int from_tty) |
c906108c SS |
934 | { |
935 | step_1 (1, 0, count_string); | |
936 | } | |
937 | ||
938 | /* Likewise, but step only one instruction. */ | |
939 | ||
1dd5fedc | 940 | static void |
0b39b52e | 941 | stepi_command (const char *count_string, int from_tty) |
c906108c SS |
942 | { |
943 | step_1 (0, 1, count_string); | |
944 | } | |
945 | ||
1dd5fedc | 946 | static void |
0b39b52e | 947 | nexti_command (const char *count_string, int from_tty) |
c906108c SS |
948 | { |
949 | step_1 (1, 1, count_string); | |
950 | } | |
951 | ||
186c406b | 952 | void |
611c83ae | 953 | delete_longjmp_breakpoint_cleanup (void *arg) |
74b7792f | 954 | { |
611c83ae PA |
955 | int thread = * (int *) arg; |
956 | delete_longjmp_breakpoint (thread); | |
74b7792f AC |
957 | } |
958 | ||
243a9253 PA |
959 | /* Data for the FSM that manages the step/next/stepi/nexti |
960 | commands. */ | |
961 | ||
962 | struct step_command_fsm | |
963 | { | |
964 | /* The base class. */ | |
965 | struct thread_fsm thread_fsm; | |
966 | ||
967 | /* How many steps left in a "step N"-like command. */ | |
968 | int count; | |
969 | ||
970 | /* If true, this is a next/nexti, otherwise a step/stepi. */ | |
971 | int skip_subroutines; | |
972 | ||
973 | /* If true, this is a stepi/nexti, otherwise a step/step. */ | |
974 | int single_inst; | |
243a9253 PA |
975 | }; |
976 | ||
8980e177 PA |
977 | static void step_command_fsm_clean_up (struct thread_fsm *self, |
978 | struct thread_info *thread); | |
979 | static int step_command_fsm_should_stop (struct thread_fsm *self, | |
980 | struct thread_info *thread); | |
243a9253 PA |
981 | static enum async_reply_reason |
982 | step_command_fsm_async_reply_reason (struct thread_fsm *self); | |
983 | ||
984 | /* step_command_fsm's vtable. */ | |
985 | ||
986 | static struct thread_fsm_ops step_command_fsm_ops = | |
987 | { | |
988 | NULL, | |
989 | step_command_fsm_clean_up, | |
990 | step_command_fsm_should_stop, | |
991 | NULL, /* return_value */ | |
992 | step_command_fsm_async_reply_reason, | |
993 | }; | |
994 | ||
995 | /* Allocate a new step_command_fsm. */ | |
996 | ||
997 | static struct step_command_fsm * | |
8980e177 | 998 | new_step_command_fsm (struct interp *cmd_interp) |
243a9253 PA |
999 | { |
1000 | struct step_command_fsm *sm; | |
1001 | ||
1002 | sm = XCNEW (struct step_command_fsm); | |
8980e177 | 1003 | thread_fsm_ctor (&sm->thread_fsm, &step_command_fsm_ops, cmd_interp); |
243a9253 PA |
1004 | |
1005 | return sm; | |
1006 | } | |
1007 | ||
1008 | /* Prepare for a step/next/etc. command. Any target resource | |
1009 | allocated here is undone in the FSM's clean_up method. */ | |
1010 | ||
1011 | static void | |
1012 | step_command_fsm_prepare (struct step_command_fsm *sm, | |
1013 | int skip_subroutines, int single_inst, | |
1014 | int count, struct thread_info *thread) | |
1015 | { | |
1016 | sm->skip_subroutines = skip_subroutines; | |
1017 | sm->single_inst = single_inst; | |
1018 | sm->count = count; | |
243a9253 PA |
1019 | |
1020 | /* Leave the si command alone. */ | |
1021 | if (!sm->single_inst || sm->skip_subroutines) | |
1022 | set_longjmp_breakpoint (thread, get_frame_id (get_current_frame ())); | |
1023 | ||
1024 | thread->control.stepping_command = 1; | |
1025 | } | |
1026 | ||
1027 | static int prepare_one_step (struct step_command_fsm *sm); | |
1028 | ||
c906108c | 1029 | static void |
0b39b52e | 1030 | step_1 (int skip_subroutines, int single_inst, const char *count_string) |
c906108c | 1031 | { |
243a9253 | 1032 | int count; |
6c4486e6 | 1033 | int async_exec; |
243a9253 PA |
1034 | struct thread_info *thr; |
1035 | struct step_command_fsm *step_sm; | |
c5aa993b | 1036 | |
c906108c | 1037 | ERROR_NO_INFERIOR; |
573cda03 | 1038 | ensure_not_tfind_mode (); |
d729566a | 1039 | ensure_valid_thread (); |
94cc34af | 1040 | ensure_not_running (); |
43ff13b4 | 1041 | |
6be9a197 TT |
1042 | gdb::unique_xmalloc_ptr<char> stripped |
1043 | = strip_bg_char (count_string, &async_exec); | |
1044 | count_string = stripped.get (); | |
c5aa993b | 1045 | |
f6ac5f3d | 1046 | prepare_execution_command (target_stack, async_exec); |
43ff13b4 | 1047 | |
bb518678 | 1048 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 1049 | |
243a9253 | 1050 | clear_proceed_status (1); |
611c83ae | 1051 | |
243a9253 PA |
1052 | /* Setup the execution command state machine to handle all the COUNT |
1053 | steps. */ | |
1054 | thr = inferior_thread (); | |
8980e177 | 1055 | step_sm = new_step_command_fsm (command_interp ()); |
243a9253 | 1056 | thr->thread_fsm = &step_sm->thread_fsm; |
611c83ae | 1057 | |
243a9253 PA |
1058 | step_command_fsm_prepare (step_sm, skip_subroutines, |
1059 | single_inst, count, thr); | |
c2d11a7d | 1060 | |
0b333c5e PA |
1061 | /* Do only one step for now, before returning control to the event |
1062 | loop. Let the continuation figure out how many other steps we | |
1063 | need to do, and handle them one at the time, through | |
1064 | step_once. */ | |
243a9253 PA |
1065 | if (!prepare_one_step (step_sm)) |
1066 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); | |
1067 | else | |
1068 | { | |
3b12939d PA |
1069 | int proceeded; |
1070 | ||
243a9253 PA |
1071 | /* Stepped into an inline frame. Pretend that we've |
1072 | stopped. */ | |
8980e177 | 1073 | thread_fsm_clean_up (thr->thread_fsm, thr); |
3b12939d PA |
1074 | proceeded = normal_stop (); |
1075 | if (!proceeded) | |
1076 | inferior_event_handler (INF_EXEC_COMPLETE, NULL); | |
1077 | all_uis_check_sync_execution_done (); | |
243a9253 | 1078 | } |
c2d11a7d | 1079 | } |
c906108c | 1080 | |
243a9253 PA |
1081 | /* Implementation of the 'should_stop' FSM method for stepping |
1082 | commands. Called after we are done with one step operation, to | |
1083 | check whether we need to step again, before we print the prompt and | |
1084 | return control to the user. If count is > 1, returns false, as we | |
1085 | will need to keep going. */ | |
6339bfc4 | 1086 | |
243a9253 | 1087 | static int |
8980e177 | 1088 | step_command_fsm_should_stop (struct thread_fsm *self, struct thread_info *tp) |
c2d11a7d | 1089 | { |
243a9253 | 1090 | struct step_command_fsm *sm = (struct step_command_fsm *) self; |
f13468d9 | 1091 | |
243a9253 | 1092 | if (tp->control.stop_step) |
f13468d9 | 1093 | { |
243a9253 PA |
1094 | /* There are more steps to make, and we did stop due to |
1095 | ending a stepping range. Do another step. */ | |
1096 | if (--sm->count > 0) | |
1097 | return prepare_one_step (sm); | |
af679fd0 | 1098 | |
243a9253 | 1099 | thread_fsm_set_finished (self); |
f107f563 | 1100 | } |
af679fd0 | 1101 | |
243a9253 | 1102 | return 1; |
c2d11a7d JM |
1103 | } |
1104 | ||
243a9253 | 1105 | /* Implementation of the 'clean_up' FSM method for stepping commands. */ |
37d94800 PA |
1106 | |
1107 | static void | |
8980e177 | 1108 | step_command_fsm_clean_up (struct thread_fsm *self, struct thread_info *thread) |
bfec99b2 | 1109 | { |
243a9253 PA |
1110 | struct step_command_fsm *sm = (struct step_command_fsm *) self; |
1111 | ||
1112 | if (!sm->single_inst || sm->skip_subroutines) | |
8980e177 | 1113 | delete_longjmp_breakpoint (thread->global_num); |
243a9253 PA |
1114 | } |
1115 | ||
1116 | /* Implementation of the 'async_reply_reason' FSM method for stepping | |
1117 | commands. */ | |
1118 | ||
1119 | static enum async_reply_reason | |
1120 | step_command_fsm_async_reply_reason (struct thread_fsm *self) | |
1121 | { | |
1122 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
1123 | } | |
1124 | ||
1125 | /* Prepare for one step in "step N". The actual target resumption is | |
1126 | done by the caller. Return true if we're done and should thus | |
1127 | report a stop to the user. Returns false if the target needs to be | |
1128 | resumed. */ | |
c2d11a7d | 1129 | |
243a9253 PA |
1130 | static int |
1131 | prepare_one_step (struct step_command_fsm *sm) | |
1132 | { | |
1133 | if (sm->count > 0) | |
c906108c | 1134 | { |
243a9253 PA |
1135 | struct frame_info *frame = get_current_frame (); |
1136 | ||
4e1c45ea PA |
1137 | /* Don't assume THREAD is a valid thread id. It is set to -1 if |
1138 | the longjmp breakpoint was not required. Use the | |
1139 | INFERIOR_PTID thread instead, which is the same thread when | |
1140 | THREAD is set. */ | |
1141 | struct thread_info *tp = inferior_thread (); | |
abbb1732 | 1142 | |
edb3359d | 1143 | set_step_frame (); |
c906108c | 1144 | |
243a9253 | 1145 | if (!sm->single_inst) |
c906108c | 1146 | { |
1641cfcc PA |
1147 | CORE_ADDR pc; |
1148 | ||
edb3359d | 1149 | /* Step at an inlined function behaves like "down". */ |
243a9253 | 1150 | if (!sm->skip_subroutines |
edb3359d DJ |
1151 | && inline_skipped_frames (inferior_ptid)) |
1152 | { | |
09cee04b PA |
1153 | ptid_t resume_ptid; |
1154 | ||
1155 | /* Pretend that we've ran. */ | |
1156 | resume_ptid = user_visible_resume_ptid (1); | |
1157 | set_running (resume_ptid, 1); | |
1158 | ||
edb3359d | 1159 | step_into_inline_frame (inferior_ptid); |
243a9253 PA |
1160 | sm->count--; |
1161 | return prepare_one_step (sm); | |
edb3359d DJ |
1162 | } |
1163 | ||
1641cfcc PA |
1164 | pc = get_frame_pc (frame); |
1165 | find_pc_line_pc_range (pc, | |
16c381f0 JK |
1166 | &tp->control.step_range_start, |
1167 | &tp->control.step_range_end); | |
5fbbeb29 | 1168 | |
c1e36e3e PA |
1169 | tp->control.may_range_step = 1; |
1170 | ||
5fbbeb29 | 1171 | /* If we have no line info, switch to stepi mode. */ |
16c381f0 | 1172 | if (tp->control.step_range_end == 0 && step_stop_if_no_debug) |
c1e36e3e PA |
1173 | { |
1174 | tp->control.step_range_start = tp->control.step_range_end = 1; | |
1175 | tp->control.may_range_step = 0; | |
1176 | } | |
16c381f0 | 1177 | else if (tp->control.step_range_end == 0) |
c906108c | 1178 | { |
2c02bd72 | 1179 | const char *name; |
abbb1732 | 1180 | |
1641cfcc | 1181 | if (find_pc_partial_function (pc, &name, |
16c381f0 JK |
1182 | &tp->control.step_range_start, |
1183 | &tp->control.step_range_end) == 0) | |
8a3fe4f8 | 1184 | error (_("Cannot find bounds of current function")); |
c906108c | 1185 | |
223ffa71 | 1186 | target_terminal::ours_for_output (); |
3e43a32a MS |
1187 | printf_filtered (_("Single stepping until exit from function %s," |
1188 | "\nwhich has no line number information.\n"), | |
1189 | name); | |
c906108c SS |
1190 | } |
1191 | } | |
1192 | else | |
1193 | { | |
1194 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
16c381f0 | 1195 | tp->control.step_range_start = tp->control.step_range_end = 1; |
243a9253 | 1196 | if (!sm->skip_subroutines) |
c906108c SS |
1197 | /* It is stepi. |
1198 | Don't step over function calls, not even to functions lacking | |
1199 | line numbers. */ | |
16c381f0 | 1200 | tp->control.step_over_calls = STEP_OVER_NONE; |
c906108c SS |
1201 | } |
1202 | ||
243a9253 | 1203 | if (sm->skip_subroutines) |
16c381f0 | 1204 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1205 | |
243a9253 | 1206 | return 0; |
c906108c | 1207 | } |
243a9253 PA |
1208 | |
1209 | /* Done. */ | |
1210 | thread_fsm_set_finished (&sm->thread_fsm); | |
1211 | return 1; | |
c906108c | 1212 | } |
c2d11a7d | 1213 | |
c906108c SS |
1214 | \f |
1215 | /* Continue program at specified address. */ | |
1216 | ||
1217 | static void | |
0b39b52e | 1218 | jump_command (const char *arg, int from_tty) |
c906108c | 1219 | { |
5af949e3 | 1220 | struct gdbarch *gdbarch = get_current_arch (); |
52f0bd74 | 1221 | CORE_ADDR addr; |
c906108c SS |
1222 | struct symbol *fn; |
1223 | struct symbol *sfn; | |
6c4486e6 | 1224 | int async_exec; |
c5aa993b | 1225 | |
c906108c | 1226 | ERROR_NO_INFERIOR; |
573cda03 | 1227 | ensure_not_tfind_mode (); |
d729566a | 1228 | ensure_valid_thread (); |
94cc34af | 1229 | ensure_not_running (); |
c906108c | 1230 | |
1777feb0 | 1231 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1232 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1233 | arg = stripped.get (); | |
43ff13b4 | 1234 | |
f6ac5f3d | 1235 | prepare_execution_command (target_stack, async_exec); |
43ff13b4 | 1236 | |
c906108c | 1237 | if (!arg) |
e2e0b3e5 | 1238 | error_no_arg (_("starting address")); |
c906108c | 1239 | |
6c5b2ebe PA |
1240 | std::vector<symtab_and_line> sals |
1241 | = decode_line_with_last_displayed (arg, DECODE_LINE_FUNFIRSTLINE); | |
1242 | if (sals.size () != 1) | |
1243 | error (_("Unreasonable jump request")); | |
c906108c | 1244 | |
6c5b2ebe PA |
1245 | symtab_and_line &sal = sals[0]; |
1246 | ||
c906108c | 1247 | if (sal.symtab == 0 && sal.pc == 0) |
8a3fe4f8 | 1248 | error (_("No source file has been specified.")); |
c906108c | 1249 | |
1777feb0 | 1250 | resolve_sal_pc (&sal); /* May error out. */ |
c906108c | 1251 | |
1777feb0 | 1252 | /* See if we are trying to jump to another function. */ |
c906108c SS |
1253 | fn = get_frame_function (get_current_frame ()); |
1254 | sfn = find_pc_function (sal.pc); | |
1255 | if (fn != NULL && sfn != fn) | |
1256 | { | |
9e2f0ad4 | 1257 | if (!query (_("Line %d is not in `%s'. Jump anyway? "), sal.line, |
de5ad195 | 1258 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 1259 | { |
8a3fe4f8 | 1260 | error (_("Not confirmed.")); |
c906108c SS |
1261 | /* NOTREACHED */ |
1262 | } | |
1263 | } | |
1264 | ||
c5aa993b | 1265 | if (sfn != NULL) |
c906108c | 1266 | { |
253342b8 DE |
1267 | struct obj_section *section; |
1268 | ||
c906108c | 1269 | fixup_symbol_section (sfn, 0); |
08be3fe3 | 1270 | section = SYMBOL_OBJ_SECTION (symbol_objfile (sfn), sfn); |
253342b8 DE |
1271 | if (section_is_overlay (section) |
1272 | && !section_is_mapped (section)) | |
c906108c | 1273 | { |
3e43a32a MS |
1274 | if (!query (_("WARNING!!! Destination is in " |
1275 | "unmapped overlay! Jump anyway? "))) | |
c906108c | 1276 | { |
8a3fe4f8 | 1277 | error (_("Not confirmed.")); |
c906108c SS |
1278 | /* NOTREACHED */ |
1279 | } | |
1280 | } | |
1281 | } | |
1282 | ||
c906108c SS |
1283 | addr = sal.pc; |
1284 | ||
1285 | if (from_tty) | |
1286 | { | |
a3f17187 | 1287 | printf_filtered (_("Continuing at ")); |
5af949e3 | 1288 | fputs_filtered (paddress (gdbarch, addr), gdb_stdout); |
c906108c SS |
1289 | printf_filtered (".\n"); |
1290 | } | |
1291 | ||
70509625 | 1292 | clear_proceed_status (0); |
64ce06e4 | 1293 | proceed (addr, GDB_SIGNAL_0); |
c906108c | 1294 | } |
c906108c | 1295 | \f |
c906108c SS |
1296 | /* Continue program giving it specified signal. */ |
1297 | ||
1298 | static void | |
0b39b52e | 1299 | signal_command (const char *signum_exp, int from_tty) |
c906108c | 1300 | { |
2ea28649 | 1301 | enum gdb_signal oursig; |
6c4486e6 | 1302 | int async_exec; |
c906108c SS |
1303 | |
1304 | dont_repeat (); /* Too dangerous. */ | |
1305 | ERROR_NO_INFERIOR; | |
573cda03 | 1306 | ensure_not_tfind_mode (); |
d729566a | 1307 | ensure_valid_thread (); |
94cc34af | 1308 | ensure_not_running (); |
c906108c | 1309 | |
32c1e744 | 1310 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1311 | gdb::unique_xmalloc_ptr<char> stripped |
1312 | = strip_bg_char (signum_exp, &async_exec); | |
1313 | signum_exp = stripped.get (); | |
32c1e744 | 1314 | |
f6ac5f3d | 1315 | prepare_execution_command (target_stack, async_exec); |
32c1e744 | 1316 | |
c906108c | 1317 | if (!signum_exp) |
e2e0b3e5 | 1318 | error_no_arg (_("signal number")); |
c906108c SS |
1319 | |
1320 | /* It would be even slicker to make signal names be valid expressions, | |
1321 | (the type could be "enum $signal" or some such), then the user could | |
1322 | assign them to convenience variables. */ | |
2ea28649 | 1323 | oursig = gdb_signal_from_name (signum_exp); |
c906108c | 1324 | |
a493e3e2 | 1325 | if (oursig == GDB_SIGNAL_UNKNOWN) |
c906108c SS |
1326 | { |
1327 | /* No, try numeric. */ | |
bb518678 | 1328 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1329 | |
1330 | if (num == 0) | |
a493e3e2 | 1331 | oursig = GDB_SIGNAL_0; |
c906108c | 1332 | else |
2ea28649 | 1333 | oursig = gdb_signal_from_command (num); |
c906108c SS |
1334 | } |
1335 | ||
70509625 PA |
1336 | /* Look for threads other than the current that this command ends up |
1337 | resuming too (due to schedlock off), and warn if they'll get a | |
1338 | signal delivered. "signal 0" is used to suppress a previous | |
1339 | signal, but if the current thread is no longer the one that got | |
1340 | the signal, then the user is potentially suppressing the signal | |
1341 | of the wrong thread. */ | |
1342 | if (!non_stop) | |
1343 | { | |
1344 | struct thread_info *tp; | |
1345 | ptid_t resume_ptid; | |
1346 | int must_confirm = 0; | |
1347 | ||
1348 | /* This indicates what will be resumed. Either a single thread, | |
1349 | a whole process, or all threads of all processes. */ | |
1350 | resume_ptid = user_visible_resume_ptid (0); | |
1351 | ||
1352 | ALL_NON_EXITED_THREADS (tp) | |
1353 | { | |
1354 | if (ptid_equal (tp->ptid, inferior_ptid)) | |
1355 | continue; | |
1356 | if (!ptid_match (tp->ptid, resume_ptid)) | |
1357 | continue; | |
1358 | ||
1359 | if (tp->suspend.stop_signal != GDB_SIGNAL_0 | |
1360 | && signal_pass_state (tp->suspend.stop_signal)) | |
1361 | { | |
1362 | if (!must_confirm) | |
1363 | printf_unfiltered (_("Note:\n")); | |
43792cf0 PA |
1364 | printf_unfiltered (_(" Thread %s previously stopped with signal %s, %s.\n"), |
1365 | print_thread_id (tp), | |
70509625 PA |
1366 | gdb_signal_to_name (tp->suspend.stop_signal), |
1367 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
1368 | must_confirm = 1; | |
1369 | } | |
1370 | } | |
1371 | ||
1372 | if (must_confirm | |
43792cf0 | 1373 | && !query (_("Continuing thread %s (the current thread) with specified signal will\n" |
70509625 PA |
1374 | "still deliver the signals noted above to their respective threads.\n" |
1375 | "Continue anyway? "), | |
43792cf0 | 1376 | print_thread_id (inferior_thread ()))) |
70509625 PA |
1377 | error (_("Not confirmed.")); |
1378 | } | |
1379 | ||
c906108c SS |
1380 | if (from_tty) |
1381 | { | |
a493e3e2 | 1382 | if (oursig == GDB_SIGNAL_0) |
a3f17187 | 1383 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1384 | else |
a3f17187 | 1385 | printf_filtered (_("Continuing with signal %s.\n"), |
2ea28649 | 1386 | gdb_signal_to_name (oursig)); |
c906108c SS |
1387 | } |
1388 | ||
70509625 | 1389 | clear_proceed_status (0); |
64ce06e4 | 1390 | proceed ((CORE_ADDR) -1, oursig); |
c906108c SS |
1391 | } |
1392 | ||
81219e53 DE |
1393 | /* Queue a signal to be delivered to the current thread. */ |
1394 | ||
1395 | static void | |
0b39b52e | 1396 | queue_signal_command (const char *signum_exp, int from_tty) |
81219e53 DE |
1397 | { |
1398 | enum gdb_signal oursig; | |
1399 | struct thread_info *tp; | |
1400 | ||
1401 | ERROR_NO_INFERIOR; | |
1402 | ensure_not_tfind_mode (); | |
1403 | ensure_valid_thread (); | |
1404 | ensure_not_running (); | |
1405 | ||
1406 | if (signum_exp == NULL) | |
1407 | error_no_arg (_("signal number")); | |
1408 | ||
1409 | /* It would be even slicker to make signal names be valid expressions, | |
1410 | (the type could be "enum $signal" or some such), then the user could | |
1411 | assign them to convenience variables. */ | |
1412 | oursig = gdb_signal_from_name (signum_exp); | |
1413 | ||
1414 | if (oursig == GDB_SIGNAL_UNKNOWN) | |
1415 | { | |
1416 | /* No, try numeric. */ | |
1417 | int num = parse_and_eval_long (signum_exp); | |
1418 | ||
1419 | if (num == 0) | |
1420 | oursig = GDB_SIGNAL_0; | |
1421 | else | |
1422 | oursig = gdb_signal_from_command (num); | |
1423 | } | |
1424 | ||
1425 | if (oursig != GDB_SIGNAL_0 | |
1426 | && !signal_pass_state (oursig)) | |
1427 | error (_("Signal handling set to not pass this signal to the program.")); | |
1428 | ||
1429 | tp = inferior_thread (); | |
1430 | tp->suspend.stop_signal = oursig; | |
1431 | } | |
1432 | ||
cfc31633 PA |
1433 | /* Data for the FSM that manages the until (with no argument) |
1434 | command. */ | |
1435 | ||
1436 | struct until_next_fsm | |
fa4cd53f | 1437 | { |
cfc31633 PA |
1438 | /* The base class. */ |
1439 | struct thread_fsm thread_fsm; | |
1440 | ||
1441 | /* The thread that as current when the command was executed. */ | |
fa4cd53f PA |
1442 | int thread; |
1443 | }; | |
1444 | ||
8980e177 PA |
1445 | static int until_next_fsm_should_stop (struct thread_fsm *self, |
1446 | struct thread_info *thread); | |
1447 | static void until_next_fsm_clean_up (struct thread_fsm *self, | |
1448 | struct thread_info *thread); | |
cfc31633 PA |
1449 | static enum async_reply_reason |
1450 | until_next_fsm_async_reply_reason (struct thread_fsm *self); | |
1451 | ||
1452 | /* until_next_fsm's vtable. */ | |
1453 | ||
1454 | static struct thread_fsm_ops until_next_fsm_ops = | |
1455 | { | |
1456 | NULL, /* dtor */ | |
1457 | until_next_fsm_clean_up, | |
1458 | until_next_fsm_should_stop, | |
1459 | NULL, /* return_value */ | |
1460 | until_next_fsm_async_reply_reason, | |
1461 | }; | |
1462 | ||
1463 | /* Allocate a new until_next_fsm. */ | |
1464 | ||
1465 | static struct until_next_fsm * | |
8980e177 | 1466 | new_until_next_fsm (struct interp *cmd_interp, int thread) |
cfc31633 PA |
1467 | { |
1468 | struct until_next_fsm *sm; | |
1469 | ||
1470 | sm = XCNEW (struct until_next_fsm); | |
8980e177 | 1471 | thread_fsm_ctor (&sm->thread_fsm, &until_next_fsm_ops, cmd_interp); |
cfc31633 PA |
1472 | |
1473 | sm->thread = thread; | |
1474 | ||
1475 | return sm; | |
1476 | } | |
1477 | ||
1478 | /* Implementation of the 'should_stop' FSM method for the until (with | |
1479 | no arg) command. */ | |
1480 | ||
1481 | static int | |
8980e177 PA |
1482 | until_next_fsm_should_stop (struct thread_fsm *self, |
1483 | struct thread_info *tp) | |
cfc31633 | 1484 | { |
cfc31633 PA |
1485 | if (tp->control.stop_step) |
1486 | thread_fsm_set_finished (self); | |
1487 | ||
1488 | return 1; | |
1489 | } | |
1490 | ||
1491 | /* Implementation of the 'clean_up' FSM method for the until (with no | |
1492 | arg) command. */ | |
186c406b TT |
1493 | |
1494 | static void | |
8980e177 | 1495 | until_next_fsm_clean_up (struct thread_fsm *self, struct thread_info *thread) |
186c406b | 1496 | { |
8980e177 | 1497 | delete_longjmp_breakpoint (thread->global_num); |
cfc31633 PA |
1498 | } |
1499 | ||
1500 | /* Implementation of the 'async_reply_reason' FSM method for the until | |
1501 | (with no arg) command. */ | |
1502 | ||
1503 | static enum async_reply_reason | |
1504 | until_next_fsm_async_reply_reason (struct thread_fsm *self) | |
1505 | { | |
1506 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
186c406b TT |
1507 | } |
1508 | ||
c906108c SS |
1509 | /* Proceed until we reach a different source line with pc greater than |
1510 | our current one or exit the function. We skip calls in both cases. | |
1511 | ||
1512 | Note that eventually this command should probably be changed so | |
1513 | that only source lines are printed out when we hit the breakpoint | |
1514 | we set. This may involve changes to wait_for_inferior and the | |
1515 | proceed status code. */ | |
1516 | ||
c906108c | 1517 | static void |
fba45db2 | 1518 | until_next_command (int from_tty) |
c906108c SS |
1519 | { |
1520 | struct frame_info *frame; | |
1521 | CORE_ADDR pc; | |
1522 | struct symbol *func; | |
1523 | struct symtab_and_line sal; | |
4e1c45ea | 1524 | struct thread_info *tp = inferior_thread (); |
5d5658a1 | 1525 | int thread = tp->global_num; |
186c406b | 1526 | struct cleanup *old_chain; |
cfc31633 | 1527 | struct until_next_fsm *sm; |
c5aa993b | 1528 | |
70509625 | 1529 | clear_proceed_status (0); |
edb3359d | 1530 | set_step_frame (); |
c906108c SS |
1531 | |
1532 | frame = get_current_frame (); | |
1533 | ||
1534 | /* Step until either exited from this function or greater | |
1535 | than the current line (if in symbolic section) or pc (if | |
1777feb0 | 1536 | not). */ |
c906108c | 1537 | |
1c7819ef | 1538 | pc = get_frame_pc (frame); |
c906108c | 1539 | func = find_pc_function (pc); |
c5aa993b | 1540 | |
c906108c SS |
1541 | if (!func) |
1542 | { | |
7cbd4a93 | 1543 | struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (pc); |
c5aa993b | 1544 | |
7cbd4a93 | 1545 | if (msymbol.minsym == NULL) |
8a3fe4f8 | 1546 | error (_("Execution is not within a known function.")); |
c5aa993b | 1547 | |
77e371c0 | 1548 | tp->control.step_range_start = BMSYMBOL_VALUE_ADDRESS (msymbol); |
7e09a223 YQ |
1549 | /* The upper-bound of step_range is exclusive. In order to make PC |
1550 | within the range, set the step_range_end with PC + 1. */ | |
1551 | tp->control.step_range_end = pc + 1; | |
c906108c SS |
1552 | } |
1553 | else | |
1554 | { | |
1555 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1556 | |
16c381f0 JK |
1557 | tp->control.step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1558 | tp->control.step_range_end = sal.end; | |
c906108c | 1559 | } |
c1e36e3e | 1560 | tp->control.may_range_step = 1; |
c5aa993b | 1561 | |
16c381f0 | 1562 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1563 | |
186c406b TT |
1564 | set_longjmp_breakpoint (tp, get_frame_id (frame)); |
1565 | old_chain = make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); | |
1566 | ||
8980e177 | 1567 | sm = new_until_next_fsm (command_interp (), tp->global_num); |
cfc31633 PA |
1568 | tp->thread_fsm = &sm->thread_fsm; |
1569 | discard_cleanups (old_chain); | |
fa4cd53f | 1570 | |
cfc31633 | 1571 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
c906108c SS |
1572 | } |
1573 | ||
c5aa993b | 1574 | static void |
0b39b52e | 1575 | until_command (const char *arg, int from_tty) |
c906108c | 1576 | { |
6c4486e6 | 1577 | int async_exec; |
43ff13b4 | 1578 | |
4247603b | 1579 | ERROR_NO_INFERIOR; |
573cda03 | 1580 | ensure_not_tfind_mode (); |
4247603b PA |
1581 | ensure_valid_thread (); |
1582 | ensure_not_running (); | |
573cda03 | 1583 | |
1777feb0 | 1584 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1585 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1586 | arg = stripped.get (); | |
43ff13b4 | 1587 | |
f6ac5f3d | 1588 | prepare_execution_command (target_stack, async_exec); |
43ff13b4 | 1589 | |
c906108c | 1590 | if (arg) |
ae66c1fc | 1591 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1592 | else |
1593 | until_next_command (from_tty); | |
1594 | } | |
ae66c1fc EZ |
1595 | |
1596 | static void | |
0b39b52e | 1597 | advance_command (const char *arg, int from_tty) |
ae66c1fc | 1598 | { |
6c4486e6 | 1599 | int async_exec; |
ae66c1fc | 1600 | |
4247603b | 1601 | ERROR_NO_INFERIOR; |
573cda03 | 1602 | ensure_not_tfind_mode (); |
4247603b PA |
1603 | ensure_valid_thread (); |
1604 | ensure_not_running (); | |
573cda03 | 1605 | |
ae66c1fc | 1606 | if (arg == NULL) |
e2e0b3e5 | 1607 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1608 | |
1609 | /* Find out whether we must run in the background. */ | |
6be9a197 TT |
1610 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1611 | arg = stripped.get (); | |
ae66c1fc | 1612 | |
f6ac5f3d | 1613 | prepare_execution_command (target_stack, async_exec); |
ae66c1fc EZ |
1614 | |
1615 | until_break_command (arg, from_tty, 1); | |
1616 | } | |
c906108c | 1617 | \f |
cc72b2a2 | 1618 | /* Return the value of the result of a function at the end of a 'finish' |
8a6c4031 JK |
1619 | command/BP. DTOR_DATA (if not NULL) can represent inferior registers |
1620 | right after an inferior call has finished. */ | |
f941662f | 1621 | |
cc72b2a2 | 1622 | struct value * |
0700e23e | 1623 | get_return_value (struct value *function, struct type *value_type) |
11cf8741 | 1624 | { |
215c69dc YQ |
1625 | regcache *stop_regs = get_current_regcache (); |
1626 | struct gdbarch *gdbarch = stop_regs->arch (); | |
44e5158b AC |
1627 | struct value *value; |
1628 | ||
f168693b | 1629 | value_type = check_typedef (value_type); |
44e5158b | 1630 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1631 | |
92ad9cd9 AC |
1632 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1633 | call, it's possible (with no help from the architecture vector) | |
1634 | to locate and return/print a "struct return" value. This is just | |
7a9dd1b2 | 1635 | a more complicated case of what is already being done in the |
92ad9cd9 AC |
1636 | inferior function call code. In fact, when inferior function |
1637 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1638 | |
6a3a010b | 1639 | switch (gdbarch_return_value (gdbarch, function, value_type, |
c055b101 | 1640 | NULL, NULL, NULL)) |
44e5158b | 1641 | { |
750eb019 AC |
1642 | case RETURN_VALUE_REGISTER_CONVENTION: |
1643 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1644 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1645 | value = allocate_value (value_type); |
215c69dc | 1646 | gdbarch_return_value (gdbarch, function, value_type, stop_regs, |
990a07ab | 1647 | value_contents_raw (value), NULL); |
750eb019 AC |
1648 | break; |
1649 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1650 | value = NULL; | |
1651 | break; | |
1652 | default: | |
e2e0b3e5 | 1653 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1654 | } |
bb472c1e | 1655 | |
cc72b2a2 KP |
1656 | return value; |
1657 | } | |
1658 | ||
243a9253 PA |
1659 | /* The captured function return value/type and its position in the |
1660 | value history. */ | |
cc72b2a2 | 1661 | |
243a9253 | 1662 | struct return_value_info |
cc72b2a2 | 1663 | { |
243a9253 PA |
1664 | /* The captured return value. May be NULL if we weren't able to |
1665 | retrieve it. See get_return_value. */ | |
1666 | struct value *value; | |
1667 | ||
1668 | /* The return type. In some cases, we'll not be able extract the | |
1669 | return value, but we always know the type. */ | |
1670 | struct type *type; | |
1671 | ||
1672 | /* If we captured a value, this is the value history index. */ | |
1673 | int value_history_index; | |
1674 | }; | |
1675 | ||
1676 | /* Helper for print_return_value. */ | |
cc72b2a2 | 1677 | |
243a9253 PA |
1678 | static void |
1679 | print_return_value_1 (struct ui_out *uiout, struct return_value_info *rv) | |
1680 | { | |
1681 | if (rv->value != NULL) | |
31db7b6c | 1682 | { |
79a45b7d TT |
1683 | struct value_print_options opts; |
1684 | ||
31db7b6c | 1685 | /* Print it. */ |
112e8700 SM |
1686 | uiout->text ("Value returned is "); |
1687 | uiout->field_fmt ("gdb-result-var", "$%d", | |
d7e74731 | 1688 | rv->value_history_index); |
112e8700 | 1689 | uiout->text (" = "); |
2a998fc0 | 1690 | get_no_prettyformat_print_options (&opts); |
d7e74731 PA |
1691 | |
1692 | string_file stb; | |
1693 | ||
1694 | value_print (rv->value, &stb, &opts); | |
112e8700 SM |
1695 | uiout->field_stream ("return-value", stb); |
1696 | uiout->text ("\n"); | |
31db7b6c MK |
1697 | } |
1698 | else | |
1699 | { | |
2f408ecb | 1700 | std::string type_name = type_to_string (rv->type); |
112e8700 SM |
1701 | uiout->text ("Value returned has type: "); |
1702 | uiout->field_string ("return-type", type_name.c_str ()); | |
1703 | uiout->text ("."); | |
1704 | uiout->text (" Cannot determine contents\n"); | |
31db7b6c | 1705 | } |
11cf8741 JM |
1706 | } |
1707 | ||
243a9253 PA |
1708 | /* Print the result of a function at the end of a 'finish' command. |
1709 | RV points at an object representing the captured return value/type | |
1710 | and its position in the value history. */ | |
1711 | ||
1712 | void | |
1713 | print_return_value (struct ui_out *uiout, struct return_value_info *rv) | |
1714 | { | |
1715 | if (rv->type == NULL || TYPE_CODE (rv->type) == TYPE_CODE_VOID) | |
1716 | return; | |
1717 | ||
1718 | TRY | |
1719 | { | |
1720 | /* print_return_value_1 can throw an exception in some | |
1721 | circumstances. We need to catch this so that we still | |
1722 | delete the breakpoint. */ | |
1723 | print_return_value_1 (uiout, rv); | |
1724 | } | |
1725 | CATCH (ex, RETURN_MASK_ALL) | |
1726 | { | |
1727 | exception_print (gdb_stdout, ex); | |
1728 | } | |
1729 | END_CATCH | |
1730 | } | |
1731 | ||
1732 | /* Data for the FSM that manages the finish command. */ | |
f941662f | 1733 | |
243a9253 | 1734 | struct finish_command_fsm |
43ff13b4 | 1735 | { |
243a9253 PA |
1736 | /* The base class. */ |
1737 | struct thread_fsm thread_fsm; | |
1738 | ||
243a9253 PA |
1739 | /* The momentary breakpoint set at the function's return address in |
1740 | the caller. */ | |
43ff13b4 | 1741 | struct breakpoint *breakpoint; |
243a9253 PA |
1742 | |
1743 | /* The function that we're stepping out of. */ | |
bfec99b2 | 1744 | struct symbol *function; |
8a6c4031 | 1745 | |
243a9253 PA |
1746 | /* If the FSM finishes successfully, this stores the function's |
1747 | return value. */ | |
1748 | struct return_value_info return_value; | |
bfec99b2 | 1749 | }; |
c5aa993b | 1750 | |
8980e177 PA |
1751 | static int finish_command_fsm_should_stop (struct thread_fsm *self, |
1752 | struct thread_info *thread); | |
1753 | static void finish_command_fsm_clean_up (struct thread_fsm *self, | |
1754 | struct thread_info *thread); | |
243a9253 PA |
1755 | static struct return_value_info * |
1756 | finish_command_fsm_return_value (struct thread_fsm *self); | |
1757 | static enum async_reply_reason | |
1758 | finish_command_fsm_async_reply_reason (struct thread_fsm *self); | |
1759 | ||
1760 | /* finish_command_fsm's vtable. */ | |
1761 | ||
1762 | static struct thread_fsm_ops finish_command_fsm_ops = | |
1763 | { | |
1764 | NULL, /* dtor */ | |
1765 | finish_command_fsm_clean_up, | |
1766 | finish_command_fsm_should_stop, | |
1767 | finish_command_fsm_return_value, | |
1768 | finish_command_fsm_async_reply_reason, | |
8980e177 | 1769 | NULL, /* should_notify_stop */ |
243a9253 PA |
1770 | }; |
1771 | ||
1772 | /* Allocate a new finish_command_fsm. */ | |
1773 | ||
1774 | static struct finish_command_fsm * | |
8980e177 | 1775 | new_finish_command_fsm (struct interp *cmd_interp) |
bfec99b2 | 1776 | { |
243a9253 PA |
1777 | struct finish_command_fsm *sm; |
1778 | ||
1779 | sm = XCNEW (struct finish_command_fsm); | |
8980e177 | 1780 | thread_fsm_ctor (&sm->thread_fsm, &finish_command_fsm_ops, cmd_interp); |
243a9253 PA |
1781 | |
1782 | return sm; | |
1783 | } | |
347bddb7 | 1784 | |
243a9253 PA |
1785 | /* Implementation of the 'should_stop' FSM method for the finish |
1786 | commands. Detects whether the thread stepped out of the function | |
1787 | successfully, and if so, captures the function's return value and | |
1788 | marks the FSM finished. */ | |
1789 | ||
1790 | static int | |
8980e177 PA |
1791 | finish_command_fsm_should_stop (struct thread_fsm *self, |
1792 | struct thread_info *tp) | |
243a9253 PA |
1793 | { |
1794 | struct finish_command_fsm *f = (struct finish_command_fsm *) self; | |
1795 | struct return_value_info *rv = &f->return_value; | |
243a9253 PA |
1796 | |
1797 | if (f->function != NULL | |
1798 | && bpstat_find_breakpoint (tp->control.stop_bpstat, | |
1799 | f->breakpoint) != NULL) | |
43ff13b4 | 1800 | { |
243a9253 PA |
1801 | /* We're done. */ |
1802 | thread_fsm_set_finished (self); | |
bfec99b2 | 1803 | |
243a9253 PA |
1804 | rv->type = TYPE_TARGET_TYPE (SYMBOL_TYPE (f->function)); |
1805 | if (rv->type == NULL) | |
1806 | internal_error (__FILE__, __LINE__, | |
1807 | _("finish_command: function has no target type")); | |
f5871ec0 | 1808 | |
243a9253 | 1809 | if (TYPE_CODE (rv->type) != TYPE_CODE_VOID) |
40c549d6 | 1810 | { |
243a9253 PA |
1811 | struct value *func; |
1812 | ||
1813 | func = read_var_value (f->function, NULL, get_current_frame ()); | |
0700e23e | 1814 | rv->value = get_return_value (func, rv->type); |
aca20ec4 KB |
1815 | if (rv->value != NULL) |
1816 | rv->value_history_index = record_latest_value (rv->value); | |
243a9253 PA |
1817 | } |
1818 | } | |
1819 | else if (tp->control.stop_step) | |
1820 | { | |
1821 | /* Finishing from an inline frame, or reverse finishing. In | |
1822 | either case, there's no way to retrieve the return value. */ | |
1823 | thread_fsm_set_finished (self); | |
1824 | } | |
fa4cd53f | 1825 | |
243a9253 PA |
1826 | return 1; |
1827 | } | |
40c549d6 | 1828 | |
243a9253 PA |
1829 | /* Implementation of the 'clean_up' FSM method for the finish |
1830 | commands. */ | |
fa4cd53f | 1831 | |
243a9253 | 1832 | static void |
8980e177 PA |
1833 | finish_command_fsm_clean_up (struct thread_fsm *self, |
1834 | struct thread_info *thread) | |
243a9253 PA |
1835 | { |
1836 | struct finish_command_fsm *f = (struct finish_command_fsm *) self; | |
fa4cd53f | 1837 | |
243a9253 PA |
1838 | if (f->breakpoint != NULL) |
1839 | { | |
1840 | delete_breakpoint (f->breakpoint); | |
1841 | f->breakpoint = NULL; | |
43ff13b4 | 1842 | } |
8980e177 | 1843 | delete_longjmp_breakpoint (thread->global_num); |
243a9253 | 1844 | } |
f941662f | 1845 | |
243a9253 PA |
1846 | /* Implementation of the 'return_value' FSM method for the finish |
1847 | commands. */ | |
1848 | ||
1849 | static struct return_value_info * | |
1850 | finish_command_fsm_return_value (struct thread_fsm *self) | |
1851 | { | |
1852 | struct finish_command_fsm *f = (struct finish_command_fsm *) self; | |
1853 | ||
1854 | return &f->return_value; | |
43ff13b4 JM |
1855 | } |
1856 | ||
243a9253 PA |
1857 | /* Implementation of the 'async_reply_reason' FSM method for the |
1858 | finish commands. */ | |
1859 | ||
1860 | static enum async_reply_reason | |
1861 | finish_command_fsm_async_reply_reason (struct thread_fsm *self) | |
604ead4a | 1862 | { |
243a9253 PA |
1863 | if (execution_direction == EXEC_REVERSE) |
1864 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
1865 | else | |
1866 | return EXEC_ASYNC_FUNCTION_FINISHED; | |
604ead4a PA |
1867 | } |
1868 | ||
b2175913 MS |
1869 | /* finish_backward -- helper function for finish_command. */ |
1870 | ||
1871 | static void | |
243a9253 | 1872 | finish_backward (struct finish_command_fsm *sm) |
b2175913 MS |
1873 | { |
1874 | struct symtab_and_line sal; | |
1875 | struct thread_info *tp = inferior_thread (); | |
1c7819ef | 1876 | CORE_ADDR pc; |
b2175913 | 1877 | CORE_ADDR func_addr; |
b2175913 | 1878 | |
1c7819ef PA |
1879 | pc = get_frame_pc (get_current_frame ()); |
1880 | ||
1881 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL) == 0) | |
1f267ae3 | 1882 | error (_("Cannot find bounds of current function")); |
b2175913 MS |
1883 | |
1884 | sal = find_pc_line (func_addr, 0); | |
1885 | ||
9da8c2a0 | 1886 | tp->control.proceed_to_finish = 1; |
b2175913 MS |
1887 | /* Special case: if we're sitting at the function entry point, |
1888 | then all we need to do is take a reverse singlestep. We | |
1889 | don't need to set a breakpoint, and indeed it would do us | |
1890 | no good to do so. | |
1891 | ||
1892 | Note that this can only happen at frame #0, since there's | |
1893 | no way that a function up the stack can have a return address | |
1894 | that's equal to its entry point. */ | |
1895 | ||
1c7819ef | 1896 | if (sal.pc != pc) |
b2175913 | 1897 | { |
a6d9a66e UW |
1898 | struct frame_info *frame = get_selected_frame (NULL); |
1899 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
9da8c2a0 PA |
1900 | |
1901 | /* Set a step-resume at the function's entry point. Once that's | |
1902 | hit, we'll do one more step backwards. */ | |
51abb421 | 1903 | symtab_and_line sr_sal; |
9da8c2a0 PA |
1904 | sr_sal.pc = sal.pc; |
1905 | sr_sal.pspace = get_frame_program_space (frame); | |
1906 | insert_step_resume_breakpoint_at_sal (gdbarch, | |
1907 | sr_sal, null_frame_id); | |
a6d9a66e | 1908 | |
64ce06e4 | 1909 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 MS |
1910 | } |
1911 | else | |
b2175913 | 1912 | { |
9da8c2a0 PA |
1913 | /* We're almost there -- we just need to back up by one more |
1914 | single-step. */ | |
16c381f0 | 1915 | tp->control.step_range_start = tp->control.step_range_end = 1; |
64ce06e4 | 1916 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 | 1917 | } |
b2175913 MS |
1918 | } |
1919 | ||
243a9253 PA |
1920 | /* finish_forward -- helper function for finish_command. FRAME is the |
1921 | frame that called the function we're about to step out of. */ | |
b2175913 MS |
1922 | |
1923 | static void | |
243a9253 | 1924 | finish_forward (struct finish_command_fsm *sm, struct frame_info *frame) |
b2175913 | 1925 | { |
def166f6 | 1926 | struct frame_id frame_id = get_frame_id (frame); |
a6d9a66e | 1927 | struct gdbarch *gdbarch = get_frame_arch (frame); |
b2175913 MS |
1928 | struct symtab_and_line sal; |
1929 | struct thread_info *tp = inferior_thread (); | |
b2175913 MS |
1930 | |
1931 | sal = find_pc_line (get_frame_pc (frame), 0); | |
1932 | sal.pc = get_frame_pc (frame); | |
1933 | ||
243a9253 PA |
1934 | sm->breakpoint = set_momentary_breakpoint (gdbarch, sal, |
1935 | get_stack_frame_id (frame), | |
454dafbd | 1936 | bp_finish).release (); |
b2175913 | 1937 | |
c70a6932 JK |
1938 | /* set_momentary_breakpoint invalidates FRAME. */ |
1939 | frame = NULL; | |
1940 | ||
def166f6 | 1941 | set_longjmp_breakpoint (tp, frame_id); |
186c406b | 1942 | |
46c03469 | 1943 | /* We want to print return value, please... */ |
16c381f0 | 1944 | tp->control.proceed_to_finish = 1; |
b2175913 | 1945 | |
243a9253 | 1946 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 MS |
1947 | } |
1948 | ||
e3b5daf9 MM |
1949 | /* Skip frames for "finish". */ |
1950 | ||
1951 | static struct frame_info * | |
1952 | skip_finish_frames (struct frame_info *frame) | |
1953 | { | |
1954 | struct frame_info *start; | |
1955 | ||
1956 | do | |
1957 | { | |
1958 | start = frame; | |
1959 | ||
1960 | frame = skip_tailcall_frames (frame); | |
1961 | if (frame == NULL) | |
1962 | break; | |
1963 | ||
1964 | frame = skip_unwritable_frames (frame); | |
1965 | if (frame == NULL) | |
1966 | break; | |
1967 | } | |
1968 | while (start != frame); | |
1969 | ||
1970 | return frame; | |
1971 | } | |
1972 | ||
f941662f MK |
1973 | /* "finish": Set a temporary breakpoint at the place the selected |
1974 | frame will return to, then continue. */ | |
c906108c SS |
1975 | |
1976 | static void | |
0b39b52e | 1977 | finish_command (const char *arg, int from_tty) |
c906108c | 1978 | { |
52f0bd74 | 1979 | struct frame_info *frame; |
6c4486e6 | 1980 | int async_exec; |
243a9253 PA |
1981 | struct finish_command_fsm *sm; |
1982 | struct thread_info *tp; | |
43ff13b4 | 1983 | |
4247603b | 1984 | ERROR_NO_INFERIOR; |
573cda03 | 1985 | ensure_not_tfind_mode (); |
4247603b PA |
1986 | ensure_valid_thread (); |
1987 | ensure_not_running (); | |
573cda03 | 1988 | |
f941662f | 1989 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1990 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1991 | arg = stripped.get (); | |
43ff13b4 | 1992 | |
f6ac5f3d | 1993 | prepare_execution_command (target_stack, async_exec); |
c906108c SS |
1994 | |
1995 | if (arg) | |
8a3fe4f8 | 1996 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1997 | |
206415a3 | 1998 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 1999 | if (frame == 0) |
8a3fe4f8 | 2000 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c | 2001 | |
70509625 | 2002 | clear_proceed_status (0); |
c906108c | 2003 | |
243a9253 PA |
2004 | tp = inferior_thread (); |
2005 | ||
8980e177 | 2006 | sm = new_finish_command_fsm (command_interp ()); |
243a9253 PA |
2007 | |
2008 | tp->thread_fsm = &sm->thread_fsm; | |
2009 | ||
edb3359d | 2010 | /* Finishing from an inline frame is completely different. We don't |
243a9253 | 2011 | try to show the "return value" - no way to locate it. */ |
edb3359d DJ |
2012 | if (get_frame_type (get_selected_frame (_("No selected frame."))) |
2013 | == INLINE_FRAME) | |
2014 | { | |
2015 | /* Claim we are stepping in the calling frame. An empty step | |
2016 | range means that we will stop once we aren't in a function | |
2017 | called by that frame. We don't use the magic "1" value for | |
2018 | step_range_end, because then infrun will think this is nexti, | |
2019 | and not step over the rest of this inlined function call. */ | |
51abb421 | 2020 | set_step_info (frame, {}); |
16c381f0 JK |
2021 | tp->control.step_range_start = get_frame_pc (frame); |
2022 | tp->control.step_range_end = tp->control.step_range_start; | |
2023 | tp->control.step_over_calls = STEP_OVER_ALL; | |
edb3359d DJ |
2024 | |
2025 | /* Print info on the selected frame, including level number but not | |
2026 | source. */ | |
2027 | if (from_tty) | |
2028 | { | |
2029 | printf_filtered (_("Run till exit from ")); | |
08d72866 | 2030 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
edb3359d DJ |
2031 | } |
2032 | ||
64ce06e4 | 2033 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
edb3359d DJ |
2034 | return; |
2035 | } | |
2036 | ||
c906108c SS |
2037 | /* Find the function we will return from. */ |
2038 | ||
243a9253 | 2039 | sm->function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 2040 | |
f941662f MK |
2041 | /* Print info on the selected frame, including level number but not |
2042 | source. */ | |
c906108c SS |
2043 | if (from_tty) |
2044 | { | |
b2175913 MS |
2045 | if (execution_direction == EXEC_REVERSE) |
2046 | printf_filtered (_("Run back to call of ")); | |
2047 | else | |
743649fd | 2048 | { |
243a9253 | 2049 | if (sm->function != NULL && TYPE_NO_RETURN (sm->function->type) |
743649fd MW |
2050 | && !query (_("warning: Function %s does not return normally.\n" |
2051 | "Try to finish anyway? "), | |
243a9253 | 2052 | SYMBOL_PRINT_NAME (sm->function))) |
743649fd MW |
2053 | error (_("Not confirmed.")); |
2054 | printf_filtered (_("Run till exit from ")); | |
2055 | } | |
b2175913 | 2056 | |
08d72866 | 2057 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
c906108c SS |
2058 | } |
2059 | ||
b2175913 | 2060 | if (execution_direction == EXEC_REVERSE) |
243a9253 | 2061 | finish_backward (sm); |
b2175913 | 2062 | else |
33b4777c | 2063 | { |
e3b5daf9 | 2064 | frame = skip_finish_frames (frame); |
7eb89530 | 2065 | |
33b4777c MM |
2066 | if (frame == NULL) |
2067 | error (_("Cannot find the caller frame.")); | |
2068 | ||
2069 | finish_forward (sm, frame); | |
2070 | } | |
c906108c SS |
2071 | } |
2072 | \f | |
f941662f | 2073 | |
c906108c | 2074 | static void |
1d12d88f | 2075 | info_program_command (const char *args, int from_tty) |
c906108c | 2076 | { |
347bddb7 PA |
2077 | bpstat bs; |
2078 | int num, stat; | |
2079 | struct thread_info *tp; | |
2080 | ptid_t ptid; | |
c5aa993b | 2081 | |
c906108c SS |
2082 | if (!target_has_execution) |
2083 | { | |
a3f17187 | 2084 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
2085 | return; |
2086 | } | |
2087 | ||
347bddb7 PA |
2088 | if (non_stop) |
2089 | ptid = inferior_ptid; | |
2090 | else | |
2091 | { | |
2092 | struct target_waitstatus ws; | |
abbb1732 | 2093 | |
347bddb7 PA |
2094 | get_last_target_status (&ptid, &ws); |
2095 | } | |
2096 | ||
2097 | if (ptid_equal (ptid, null_ptid) || is_exited (ptid)) | |
2098 | error (_("Invalid selected thread.")); | |
2099 | else if (is_running (ptid)) | |
2100 | error (_("Selected thread is running.")); | |
2101 | ||
e09875d4 | 2102 | tp = find_thread_ptid (ptid); |
16c381f0 | 2103 | bs = tp->control.stop_bpstat; |
347bddb7 PA |
2104 | stat = bpstat_num (&bs, &num); |
2105 | ||
c906108c | 2106 | target_files_info (); |
5af949e3 | 2107 | printf_filtered (_("Program stopped at %s.\n"), |
f5656ead | 2108 | paddress (target_gdbarch (), stop_pc)); |
16c381f0 | 2109 | if (tp->control.stop_step) |
a3f17187 | 2110 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 2111 | else if (stat != 0) |
c906108c SS |
2112 | { |
2113 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 2114 | isn't as strange as it seems. */ |
8671a17b | 2115 | while (stat != 0) |
c906108c | 2116 | { |
8671a17b | 2117 | if (stat < 0) |
c906108c | 2118 | { |
3e43a32a MS |
2119 | printf_filtered (_("It stopped at a breakpoint " |
2120 | "that has since been deleted.\n")); | |
c906108c SS |
2121 | } |
2122 | else | |
a3f17187 | 2123 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 2124 | stat = bpstat_num (&bs, &num); |
c906108c SS |
2125 | } |
2126 | } | |
a493e3e2 | 2127 | else if (tp->suspend.stop_signal != GDB_SIGNAL_0) |
c906108c | 2128 | { |
a3f17187 | 2129 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
2ea28649 PA |
2130 | gdb_signal_to_name (tp->suspend.stop_signal), |
2131 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
c906108c SS |
2132 | } |
2133 | ||
0d41ba00 | 2134 | if (from_tty) |
c906108c | 2135 | { |
3e43a32a MS |
2136 | printf_filtered (_("Type \"info stack\" or \"info " |
2137 | "registers\" for more information.\n")); | |
c906108c SS |
2138 | } |
2139 | } | |
2140 | \f | |
2141 | static void | |
69f476a3 | 2142 | environment_info (const char *var, int from_tty) |
c906108c SS |
2143 | { |
2144 | if (var) | |
2145 | { | |
9a6c7d9c | 2146 | const char *val = current_inferior ()->environment.get (var); |
abbb1732 | 2147 | |
c906108c SS |
2148 | if (val) |
2149 | { | |
2150 | puts_filtered (var); | |
2151 | puts_filtered (" = "); | |
2152 | puts_filtered (val); | |
2153 | puts_filtered ("\n"); | |
2154 | } | |
2155 | else | |
2156 | { | |
2157 | puts_filtered ("Environment variable \""); | |
2158 | puts_filtered (var); | |
2159 | puts_filtered ("\" not defined.\n"); | |
2160 | } | |
2161 | } | |
2162 | else | |
2163 | { | |
9a6c7d9c | 2164 | char **envp = current_inferior ()->environment.envp (); |
abbb1732 | 2165 | |
9a6c7d9c | 2166 | for (int idx = 0; envp[idx] != NULL; ++idx) |
c906108c | 2167 | { |
9a6c7d9c | 2168 | puts_filtered (envp[idx]); |
c906108c SS |
2169 | puts_filtered ("\n"); |
2170 | } | |
2171 | } | |
2172 | } | |
2173 | ||
2174 | static void | |
69f476a3 | 2175 | set_environment_command (const char *arg, int from_tty) |
c906108c | 2176 | { |
69f476a3 | 2177 | const char *p, *val; |
c906108c SS |
2178 | int nullset = 0; |
2179 | ||
2180 | if (arg == 0) | |
e2e0b3e5 | 2181 | error_no_arg (_("environment variable and value")); |
c906108c | 2182 | |
1777feb0 | 2183 | /* Find seperation between variable name and value. */ |
c906108c SS |
2184 | p = (char *) strchr (arg, '='); |
2185 | val = (char *) strchr (arg, ' '); | |
2186 | ||
2187 | if (p != 0 && val != 0) | |
2188 | { | |
2189 | /* We have both a space and an equals. If the space is before the | |
c5aa993b | 2190 | equals, walk forward over the spaces til we see a nonspace |
1777feb0 | 2191 | (possibly the equals). */ |
c906108c SS |
2192 | if (p > val) |
2193 | while (*val == ' ') | |
2194 | val++; | |
2195 | ||
2196 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 2197 | take the char following the spaces. */ |
c906108c SS |
2198 | if (p > val) |
2199 | p = val - 1; | |
2200 | } | |
2201 | else if (val != 0 && p == 0) | |
2202 | p = val; | |
2203 | ||
2204 | if (p == arg) | |
e2e0b3e5 | 2205 | error_no_arg (_("environment variable to set")); |
c906108c SS |
2206 | |
2207 | if (p == 0 || p[1] == 0) | |
2208 | { | |
2209 | nullset = 1; | |
2210 | if (p == 0) | |
1777feb0 | 2211 | p = arg + strlen (arg); /* So that savestring below will work. */ |
c906108c SS |
2212 | } |
2213 | else | |
2214 | { | |
1777feb0 | 2215 | /* Not setting variable value to null. */ |
c906108c SS |
2216 | val = p + 1; |
2217 | while (*val == ' ' || *val == '\t') | |
2218 | val++; | |
2219 | } | |
2220 | ||
c5aa993b JM |
2221 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
2222 | p--; | |
c906108c | 2223 | |
69f476a3 | 2224 | std::string var (arg, p - arg); |
c906108c SS |
2225 | if (nullset) |
2226 | { | |
3e43a32a MS |
2227 | printf_filtered (_("Setting environment variable " |
2228 | "\"%s\" to null value.\n"), | |
69f476a3 TT |
2229 | var.c_str ()); |
2230 | current_inferior ()->environment.set (var.c_str (), ""); | |
c906108c SS |
2231 | } |
2232 | else | |
69f476a3 | 2233 | current_inferior ()->environment.set (var.c_str (), val); |
c906108c SS |
2234 | } |
2235 | ||
2236 | static void | |
69f476a3 | 2237 | unset_environment_command (const char *var, int from_tty) |
c906108c SS |
2238 | { |
2239 | if (var == 0) | |
2240 | { | |
2241 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 2242 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 2243 | if (!from_tty || query (_("Delete all environment variables? "))) |
206726fb | 2244 | current_inferior ()->environment.clear (); |
c906108c SS |
2245 | } |
2246 | else | |
9a6c7d9c | 2247 | current_inferior ()->environment.unset (var); |
c906108c SS |
2248 | } |
2249 | ||
1777feb0 | 2250 | /* Handle the execution path (PATH variable). */ |
c906108c SS |
2251 | |
2252 | static const char path_var_name[] = "PATH"; | |
2253 | ||
c906108c | 2254 | static void |
69f476a3 | 2255 | path_info (const char *args, int from_tty) |
c906108c SS |
2256 | { |
2257 | puts_filtered ("Executable and object file path: "); | |
9a6c7d9c | 2258 | puts_filtered (current_inferior ()->environment.get (path_var_name)); |
c906108c SS |
2259 | puts_filtered ("\n"); |
2260 | } | |
2261 | ||
2262 | /* Add zero or more directories to the front of the execution path. */ | |
2263 | ||
2264 | static void | |
0b39b52e | 2265 | path_command (const char *dirname, int from_tty) |
c906108c SS |
2266 | { |
2267 | char *exec_path; | |
a121b7c1 | 2268 | const char *env; |
abbb1732 | 2269 | |
c906108c | 2270 | dont_repeat (); |
9a6c7d9c | 2271 | env = current_inferior ()->environment.get (path_var_name); |
1777feb0 | 2272 | /* Can be null if path is not set. */ |
c906108c SS |
2273 | if (!env) |
2274 | env = ""; | |
4fcf66da | 2275 | exec_path = xstrdup (env); |
c906108c | 2276 | mod_path (dirname, &exec_path); |
9a6c7d9c | 2277 | current_inferior ()->environment.set (path_var_name, exec_path); |
b8c9b27d | 2278 | xfree (exec_path); |
c906108c | 2279 | if (from_tty) |
c5aa993b | 2280 | path_info ((char *) NULL, from_tty); |
c906108c | 2281 | } |
c906108c | 2282 | \f |
c5aa993b | 2283 | |
e813d34a RK |
2284 | static void |
2285 | pad_to_column (string_file &stream, int col) | |
2286 | { | |
2287 | /* At least one space must be printed to separate columns. */ | |
2288 | stream.putc (' '); | |
2289 | const int size = stream.size (); | |
2290 | if (size < col) | |
2291 | stream.puts (n_spaces (col - size)); | |
2292 | } | |
2293 | ||
1292279a PA |
2294 | /* Print out the register NAME with value VAL, to FILE, in the default |
2295 | fashion. */ | |
2296 | ||
2297 | static void | |
2298 | default_print_one_register_info (struct ui_file *file, | |
2299 | const char *name, | |
2300 | struct value *val) | |
2301 | { | |
2302 | struct type *regtype = value_type (val); | |
f69d9aef | 2303 | int print_raw_format; |
e813d34a RK |
2304 | string_file format_stream; |
2305 | enum tab_stops | |
2306 | { | |
2307 | value_column_1 = 15, | |
2308 | /* Give enough room for "0x", 16 hex digits and two spaces in | |
2309 | preceding column. */ | |
2310 | value_column_2 = value_column_1 + 2 + 16 + 2, | |
2311 | }; | |
1292279a | 2312 | |
e813d34a RK |
2313 | format_stream.puts (name); |
2314 | pad_to_column (format_stream, value_column_1); | |
1292279a | 2315 | |
f69d9aef AB |
2316 | print_raw_format = (value_entirely_available (val) |
2317 | && !value_optimized_out (val)); | |
1292279a PA |
2318 | |
2319 | /* If virtual format is floating, print it that way, and in raw | |
2320 | hex. */ | |
2321 | if (TYPE_CODE (regtype) == TYPE_CODE_FLT | |
2322 | || TYPE_CODE (regtype) == TYPE_CODE_DECFLOAT) | |
2323 | { | |
1292279a PA |
2324 | struct value_print_options opts; |
2325 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
2326 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (regtype)); | |
2327 | ||
2328 | get_user_print_options (&opts); | |
2329 | opts.deref_ref = 1; | |
2330 | ||
2331 | val_print (regtype, | |
1292279a | 2332 | value_embedded_offset (val), 0, |
e813d34a | 2333 | &format_stream, 0, val, &opts, current_language); |
1292279a | 2334 | |
f69d9aef AB |
2335 | if (print_raw_format) |
2336 | { | |
e813d34a RK |
2337 | pad_to_column (format_stream, value_column_2); |
2338 | format_stream.puts ("(raw "); | |
2339 | print_hex_chars (&format_stream, valaddr, TYPE_LENGTH (regtype), | |
2340 | byte_order, true); | |
2341 | format_stream.putc (')'); | |
f69d9aef | 2342 | } |
1292279a PA |
2343 | } |
2344 | else | |
2345 | { | |
2346 | struct value_print_options opts; | |
2347 | ||
2348 | /* Print the register in hex. */ | |
2349 | get_formatted_print_options (&opts, 'x'); | |
2350 | opts.deref_ref = 1; | |
2351 | val_print (regtype, | |
1292279a | 2352 | value_embedded_offset (val), 0, |
e813d34a | 2353 | &format_stream, 0, val, &opts, current_language); |
1292279a PA |
2354 | /* If not a vector register, print it also according to its |
2355 | natural format. */ | |
f69d9aef | 2356 | if (print_raw_format && TYPE_VECTOR (regtype) == 0) |
1292279a | 2357 | { |
e813d34a | 2358 | pad_to_column (format_stream, value_column_2); |
1292279a PA |
2359 | get_user_print_options (&opts); |
2360 | opts.deref_ref = 1; | |
1292279a | 2361 | val_print (regtype, |
1292279a | 2362 | value_embedded_offset (val), 0, |
e813d34a | 2363 | &format_stream, 0, val, &opts, current_language); |
1292279a PA |
2364 | } |
2365 | } | |
2366 | ||
e813d34a | 2367 | fputs_filtered (format_stream.c_str (), file); |
1292279a PA |
2368 | fprintf_filtered (file, "\n"); |
2369 | } | |
2370 | ||
1777feb0 | 2371 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
2372 | registers (print_all == 1) or all non-float and non-vector |
2373 | registers (print_all == 0). | |
c906108c SS |
2374 | |
2375 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
2376 | register(s) one per line is good enough. If a different format is |
2377 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
2378 | regs), or there is an existing convention for showing all the | |
2379 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
2380 | provide that format. */ | |
c906108c | 2381 | |
666e11c5 | 2382 | void |
0ab7a791 AC |
2383 | default_print_registers_info (struct gdbarch *gdbarch, |
2384 | struct ui_file *file, | |
2385 | struct frame_info *frame, | |
2386 | int regnum, int print_all) | |
c906108c | 2387 | { |
0ab7a791 | 2388 | int i; |
a4bd449d UW |
2389 | const int numregs = gdbarch_num_regs (gdbarch) |
2390 | + gdbarch_num_pseudo_regs (gdbarch); | |
0ab7a791 | 2391 | |
c906108c SS |
2392 | for (i = 0; i < numregs; i++) |
2393 | { | |
4782dc19 AC |
2394 | /* Decide between printing all regs, non-float / vector regs, or |
2395 | specific reg. */ | |
c5aa993b JM |
2396 | if (regnum == -1) |
2397 | { | |
f9418c0f | 2398 | if (print_all) |
4782dc19 | 2399 | { |
f9418c0f | 2400 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 2401 | continue; |
f9418c0f AC |
2402 | } |
2403 | else | |
2404 | { | |
2405 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
2406 | continue; |
2407 | } | |
c5aa993b JM |
2408 | } |
2409 | else | |
2410 | { | |
2411 | if (i != regnum) | |
2412 | continue; | |
2413 | } | |
c906108c SS |
2414 | |
2415 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 2416 | processor, so don't display anything. */ |
a4bd449d UW |
2417 | if (gdbarch_register_name (gdbarch, i) == NULL |
2418 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
2419 | continue; |
2420 | ||
1292279a PA |
2421 | default_print_one_register_info (file, |
2422 | gdbarch_register_name (gdbarch, i), | |
901461f8 | 2423 | value_of_register (i, frame)); |
c906108c SS |
2424 | } |
2425 | } | |
c906108c | 2426 | |
c906108c | 2427 | void |
1d12d88f | 2428 | registers_info (const char *addr_exp, int fpregs) |
c906108c | 2429 | { |
206415a3 | 2430 | struct frame_info *frame; |
a4bd449d | 2431 | struct gdbarch *gdbarch; |
c906108c SS |
2432 | |
2433 | if (!target_has_registers) | |
8a3fe4f8 | 2434 | error (_("The program has no registers now.")); |
206415a3 | 2435 | frame = get_selected_frame (NULL); |
a4bd449d | 2436 | gdbarch = get_frame_arch (frame); |
c906108c SS |
2437 | |
2438 | if (!addr_exp) | |
2439 | { | |
a4bd449d | 2440 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 2441 | frame, -1, fpregs); |
c906108c SS |
2442 | return; |
2443 | } | |
2444 | ||
f9418c0f | 2445 | while (*addr_exp != '\0') |
c5aa993b | 2446 | { |
1d12d88f | 2447 | const char *start; |
f9418c0f | 2448 | const char *end; |
c906108c | 2449 | |
529480d0 KS |
2450 | /* Skip leading white space. */ |
2451 | addr_exp = skip_spaces (addr_exp); | |
c906108c | 2452 | |
f9418c0f AC |
2453 | /* Discard any leading ``$''. Check that there is something |
2454 | resembling a register following it. */ | |
2455 | if (addr_exp[0] == '$') | |
2456 | addr_exp++; | |
2457 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 2458 | error (_("Missing register name")); |
c906108c | 2459 | |
f9418c0f AC |
2460 | /* Find the start/end of this register name/num/group. */ |
2461 | start = addr_exp; | |
2462 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
2463 | addr_exp++; | |
2464 | end = addr_exp; | |
ad842144 | 2465 | |
f9418c0f AC |
2466 | /* Figure out what we've found and display it. */ |
2467 | ||
2468 | /* A register name? */ | |
2469 | { | |
029a67e4 | 2470 | int regnum = user_reg_map_name_to_regnum (gdbarch, start, end - start); |
abbb1732 | 2471 | |
f9418c0f AC |
2472 | if (regnum >= 0) |
2473 | { | |
ad842144 MR |
2474 | /* User registers lie completely outside of the range of |
2475 | normal registers. Catch them early so that the target | |
2476 | never sees them. */ | |
2477 | if (regnum >= gdbarch_num_regs (gdbarch) | |
2478 | + gdbarch_num_pseudo_regs (gdbarch)) | |
2479 | { | |
1292279a PA |
2480 | struct value *regval = value_of_user_reg (regnum, frame); |
2481 | const char *regname = user_reg_map_regnum_to_name (gdbarch, | |
2482 | regnum); | |
2483 | ||
2484 | /* Print in the same fashion | |
2485 | gdbarch_print_registers_info's default | |
2486 | implementation prints. */ | |
2487 | default_print_one_register_info (gdb_stdout, | |
2488 | regname, | |
2489 | regval); | |
ad842144 MR |
2490 | } |
2491 | else | |
2492 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
2493 | frame, regnum, fpregs); | |
f9418c0f AC |
2494 | continue; |
2495 | } | |
2496 | } | |
ad842144 | 2497 | |
f9418c0f AC |
2498 | /* A register group? */ |
2499 | { | |
6c7d17ba | 2500 | struct reggroup *group; |
abbb1732 | 2501 | |
a4bd449d | 2502 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 2503 | group != NULL; |
a4bd449d | 2504 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
2505 | { |
2506 | /* Don't bother with a length check. Should the user | |
2507 | enter a short register group name, go with the first | |
2508 | group that matches. */ | |
6c7d17ba | 2509 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
2510 | break; |
2511 | } | |
6c7d17ba | 2512 | if (group != NULL) |
f9418c0f AC |
2513 | { |
2514 | int regnum; | |
abbb1732 | 2515 | |
f57d151a | 2516 | for (regnum = 0; |
a4bd449d UW |
2517 | regnum < gdbarch_num_regs (gdbarch) |
2518 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2519 | regnum++) |
f9418c0f | 2520 | { |
a4bd449d UW |
2521 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
2522 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 2523 | gdb_stdout, frame, |
f9418c0f AC |
2524 | regnum, fpregs); |
2525 | } | |
2526 | continue; | |
2527 | } | |
2528 | } | |
c906108c | 2529 | |
f9418c0f | 2530 | /* Nothing matched. */ |
8a3fe4f8 | 2531 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 2532 | } |
c906108c SS |
2533 | } |
2534 | ||
1dd5fedc | 2535 | static void |
1d12d88f | 2536 | info_all_registers_command (const char *addr_exp, int from_tty) |
c906108c SS |
2537 | { |
2538 | registers_info (addr_exp, 1); | |
2539 | } | |
2540 | ||
a58dd373 | 2541 | static void |
1d12d88f | 2542 | info_registers_command (const char *addr_exp, int from_tty) |
c906108c SS |
2543 | { |
2544 | registers_info (addr_exp, 0); | |
2545 | } | |
e76f1f2e AC |
2546 | |
2547 | static void | |
d80b854b | 2548 | print_vector_info (struct ui_file *file, |
e76f1f2e AC |
2549 | struct frame_info *frame, const char *args) |
2550 | { | |
d80b854b UW |
2551 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2552 | ||
e76f1f2e AC |
2553 | if (gdbarch_print_vector_info_p (gdbarch)) |
2554 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
2555 | else | |
2556 | { | |
2557 | int regnum; | |
2558 | int printed_something = 0; | |
ab4327e0 | 2559 | |
f57d151a | 2560 | for (regnum = 0; |
a4bd449d UW |
2561 | regnum < gdbarch_num_regs (gdbarch) |
2562 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2563 | regnum++) |
e76f1f2e | 2564 | { |
f9418c0f | 2565 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
2566 | { |
2567 | printed_something = 1; | |
e76f1f2e | 2568 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
2569 | } |
2570 | } | |
2571 | if (!printed_something) | |
2572 | fprintf_filtered (file, "No vector information\n"); | |
2573 | } | |
2574 | } | |
2575 | ||
2576 | static void | |
1d12d88f | 2577 | info_vector_command (const char *args, int from_tty) |
e76f1f2e | 2578 | { |
206415a3 DJ |
2579 | if (!target_has_registers) |
2580 | error (_("The program has no registers now.")); | |
2581 | ||
d80b854b | 2582 | print_vector_info (gdb_stdout, get_selected_frame (NULL), args); |
e76f1f2e | 2583 | } |
c906108c | 2584 | \f |
5fd62852 PA |
2585 | /* Kill the inferior process. Make us have no inferior. */ |
2586 | ||
2587 | static void | |
981a3fb3 | 2588 | kill_command (const char *arg, int from_tty) |
5fd62852 PA |
2589 | { |
2590 | /* FIXME: This should not really be inferior_ptid (or target_has_execution). | |
2591 | It should be a distinct flag that indicates that a target is active, cuz | |
1777feb0 | 2592 | some targets don't have processes! */ |
5fd62852 PA |
2593 | |
2594 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2595 | error (_("The program is not being run.")); | |
2596 | if (!query (_("Kill the program being debugged? "))) | |
2597 | error (_("Not confirmed.")); | |
f67c0c91 | 2598 | |
249b5733 PA |
2599 | int pid = current_inferior ()->pid; |
2600 | /* Save the pid as a string before killing the inferior, since that | |
2601 | may unpush the current target, and we need the string after. */ | |
2602 | std::string pid_str = target_pid_to_str (pid_to_ptid (pid)); | |
f67c0c91 SDJ |
2603 | int infnum = current_inferior ()->num; |
2604 | ||
5fd62852 PA |
2605 | target_kill (); |
2606 | ||
f67c0c91 | 2607 | if (print_inferior_events) |
249b5733 | 2608 | printf_unfiltered (_("[Inferior %d (%s) killed]\n"), |
f67c0c91 SDJ |
2609 | infnum, pid_str.c_str ()); |
2610 | ||
c35b1492 PA |
2611 | /* If we still have other inferiors to debug, then don't mess with |
2612 | with their threads. */ | |
2613 | if (!have_inferiors ()) | |
5fd62852 | 2614 | { |
1777feb0 | 2615 | init_thread_list (); /* Destroy thread info. */ |
5fd62852 PA |
2616 | |
2617 | /* Killing off the inferior can leave us with a core file. If | |
2618 | so, print the state we are left in. */ | |
2619 | if (target_has_stack) | |
2620 | { | |
2621 | printf_filtered (_("In %s,\n"), target_longname); | |
08d72866 | 2622 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1); |
5fd62852 PA |
2623 | } |
2624 | } | |
2625 | bfd_cache_close_all (); | |
2626 | } | |
c5aa993b | 2627 | |
74531fed PA |
2628 | /* Used in `attach&' command. ARG is a point to an integer |
2629 | representing a process id. Proceed threads of this process iff | |
2630 | they stopped due to debugger request, and when they did, they | |
a493e3e2 | 2631 | reported a clean stop (GDB_SIGNAL_0). Do not proceed threads |
74531fed PA |
2632 | that have been explicitly been told to stop. */ |
2633 | ||
2634 | static int | |
2635 | proceed_after_attach_callback (struct thread_info *thread, | |
2636 | void *arg) | |
2637 | { | |
2638 | int pid = * (int *) arg; | |
2639 | ||
2640 | if (ptid_get_pid (thread->ptid) == pid | |
2641 | && !is_exited (thread->ptid) | |
2642 | && !is_executing (thread->ptid) | |
2643 | && !thread->stop_requested | |
a493e3e2 | 2644 | && thread->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed PA |
2645 | { |
2646 | switch_to_thread (thread->ptid); | |
70509625 | 2647 | clear_proceed_status (0); |
64ce06e4 | 2648 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
74531fed PA |
2649 | } |
2650 | ||
2651 | return 0; | |
2652 | } | |
2653 | ||
2654 | static void | |
2655 | proceed_after_attach (int pid) | |
2656 | { | |
2657 | /* Don't error out if the current thread is running, because | |
2658 | there may be other stopped threads. */ | |
74531fed PA |
2659 | |
2660 | /* Backup current thread and selected frame. */ | |
5ed8105e | 2661 | scoped_restore_current_thread restore_thread; |
74531fed PA |
2662 | |
2663 | iterate_over_threads (proceed_after_attach_callback, &pid); | |
74531fed PA |
2664 | } |
2665 | ||
6efcd9a8 | 2666 | /* See inferior.h. */ |
c906108c | 2667 | |
6efcd9a8 PA |
2668 | void |
2669 | setup_inferior (int from_tty) | |
9356cf8d | 2670 | { |
d6b48e9c | 2671 | struct inferior *inferior; |
9356cf8d | 2672 | |
d6b48e9c | 2673 | inferior = current_inferior (); |
6efcd9a8 | 2674 | inferior->needs_setup = 0; |
9356cf8d PA |
2675 | |
2676 | /* If no exec file is yet known, try to determine it from the | |
2677 | process itself. */ | |
a10de604 | 2678 | if (get_exec_file (0) == NULL) |
bb805577 | 2679 | exec_file_locate_attach (ptid_get_pid (inferior_ptid), 1, from_tty); |
9356cf8d PA |
2680 | else |
2681 | { | |
2682 | reopen_exec_file (); | |
2683 | reread_symbols (); | |
2684 | } | |
2685 | ||
2686 | /* Take any necessary post-attaching actions for this platform. */ | |
dfd4cc63 | 2687 | target_post_attach (ptid_get_pid (inferior_ptid)); |
9356cf8d | 2688 | |
f6ac5f3d | 2689 | post_create_inferior (target_stack, from_tty); |
6efcd9a8 PA |
2690 | } |
2691 | ||
2692 | /* What to do after the first program stops after attaching. */ | |
2693 | enum attach_post_wait_mode | |
2694 | { | |
2695 | /* Do nothing. Leaves threads as they are. */ | |
2696 | ATTACH_POST_WAIT_NOTHING, | |
2697 | ||
2698 | /* Re-resume threads that are marked running. */ | |
2699 | ATTACH_POST_WAIT_RESUME, | |
2700 | ||
2701 | /* Stop all threads. */ | |
2702 | ATTACH_POST_WAIT_STOP, | |
2703 | }; | |
2704 | ||
2705 | /* Called after we've attached to a process and we've seen it stop for | |
2706 | the first time. If ASYNC_EXEC is true, re-resume threads that | |
2707 | should be running. Else if ATTACH, */ | |
2708 | ||
2709 | static void | |
a121b7c1 | 2710 | attach_post_wait (const char *args, int from_tty, enum attach_post_wait_mode mode) |
6efcd9a8 PA |
2711 | { |
2712 | struct inferior *inferior; | |
9356cf8d | 2713 | |
6efcd9a8 PA |
2714 | inferior = current_inferior (); |
2715 | inferior->control.stop_soon = NO_STOP_QUIETLY; | |
2716 | ||
2717 | if (inferior->needs_setup) | |
2718 | setup_inferior (from_tty); | |
2719 | ||
2720 | if (mode == ATTACH_POST_WAIT_RESUME) | |
74531fed PA |
2721 | { |
2722 | /* The user requested an `attach&', so be sure to leave threads | |
2723 | that didn't get a signal running. */ | |
2724 | ||
2725 | /* Immediatelly resume all suspended threads of this inferior, | |
2726 | and this inferior only. This should have no effect on | |
2727 | already running threads. If a thread has been stopped with a | |
2728 | signal, leave it be. */ | |
2729 | if (non_stop) | |
2730 | proceed_after_attach (inferior->pid); | |
2731 | else | |
2732 | { | |
a493e3e2 | 2733 | if (inferior_thread ()->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed | 2734 | { |
70509625 | 2735 | clear_proceed_status (0); |
64ce06e4 | 2736 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
74531fed PA |
2737 | } |
2738 | } | |
2739 | } | |
6efcd9a8 | 2740 | else if (mode == ATTACH_POST_WAIT_STOP) |
9356cf8d | 2741 | { |
74531fed PA |
2742 | /* The user requested a plain `attach', so be sure to leave |
2743 | the inferior stopped. */ | |
2744 | ||
74531fed PA |
2745 | /* At least the current thread is already stopped. */ |
2746 | ||
2747 | /* In all-stop, by definition, all threads have to be already | |
2748 | stopped at this point. In non-stop, however, although the | |
2749 | selected thread is stopped, others may still be executing. | |
2750 | Be sure to explicitly stop all threads of the process. This | |
2751 | should have no effect on already stopped threads. */ | |
066f6b6e | 2752 | if (non_stop) |
74531fed | 2753 | target_stop (pid_to_ptid (inferior->pid)); |
066f6b6e PA |
2754 | else if (target_is_non_stop_p ()) |
2755 | { | |
2756 | struct thread_info *thread; | |
2757 | struct thread_info *lowest = inferior_thread (); | |
2758 | int pid = current_inferior ()->pid; | |
2759 | ||
2760 | stop_all_threads (); | |
2761 | ||
2762 | /* It's not defined which thread will report the attach | |
2763 | stop. For consistency, always select the thread with | |
2764 | lowest GDB number, which should be the main thread, if it | |
2765 | still exists. */ | |
2766 | ALL_NON_EXITED_THREADS (thread) | |
2767 | { | |
2768 | if (ptid_get_pid (thread->ptid) == pid) | |
2769 | { | |
5d5658a1 PA |
2770 | if (thread->inf->num < lowest->inf->num |
2771 | || thread->per_inf_num < lowest->per_inf_num) | |
066f6b6e PA |
2772 | lowest = thread; |
2773 | } | |
2774 | } | |
2775 | ||
2776 | switch_to_thread (lowest->ptid); | |
2777 | } | |
74531fed PA |
2778 | |
2779 | /* Tell the user/frontend where we're stopped. */ | |
9356cf8d PA |
2780 | normal_stop (); |
2781 | if (deprecated_attach_hook) | |
2782 | deprecated_attach_hook (); | |
2783 | } | |
2784 | } | |
2785 | ||
bfec99b2 | 2786 | struct attach_command_continuation_args |
9356cf8d PA |
2787 | { |
2788 | char *args; | |
2789 | int from_tty; | |
6efcd9a8 | 2790 | enum attach_post_wait_mode mode; |
bfec99b2 | 2791 | }; |
9356cf8d | 2792 | |
bfec99b2 | 2793 | static void |
fa4cd53f | 2794 | attach_command_continuation (void *args, int err) |
bfec99b2 | 2795 | { |
9a3c8263 SM |
2796 | struct attach_command_continuation_args *a |
2797 | = (struct attach_command_continuation_args *) args; | |
abbb1732 | 2798 | |
fa4cd53f PA |
2799 | if (err) |
2800 | return; | |
2801 | ||
6efcd9a8 | 2802 | attach_post_wait (a->args, a->from_tty, a->mode); |
9356cf8d PA |
2803 | } |
2804 | ||
604ead4a PA |
2805 | static void |
2806 | attach_command_continuation_free_args (void *args) | |
2807 | { | |
9a3c8263 SM |
2808 | struct attach_command_continuation_args *a |
2809 | = (struct attach_command_continuation_args *) args; | |
abbb1732 | 2810 | |
604ead4a PA |
2811 | xfree (a->args); |
2812 | xfree (a); | |
2813 | } | |
2814 | ||
6efcd9a8 PA |
2815 | /* "attach" command entry point. Takes a program started up outside |
2816 | of gdb and ``attaches'' to it. This stops it cold in its tracks | |
2817 | and allows us to start debugging it. */ | |
2818 | ||
c906108c | 2819 | void |
0b39b52e | 2820 | attach_command (const char *args, int from_tty) |
c906108c | 2821 | { |
6c4486e6 | 2822 | int async_exec; |
b3ccfe11 | 2823 | struct target_ops *attach_target; |
6efcd9a8 PA |
2824 | struct inferior *inferior = current_inferior (); |
2825 | enum attach_post_wait_mode mode; | |
c906108c | 2826 | |
c5aa993b | 2827 | dont_repeat (); /* Not for the faint of heart */ |
c906108c | 2828 | |
f5656ead | 2829 | if (gdbarch_has_global_solist (target_gdbarch ())) |
2567c7d9 PA |
2830 | /* Don't complain if all processes share the same symbol |
2831 | space. */ | |
8a305172 PA |
2832 | ; |
2833 | else if (target_has_execution) | |
c906108c | 2834 | { |
9e2f0ad4 | 2835 | if (query (_("A program is being debugged already. Kill it? "))) |
c906108c SS |
2836 | target_kill (); |
2837 | else | |
8a3fe4f8 | 2838 | error (_("Not killed.")); |
c906108c SS |
2839 | } |
2840 | ||
fd79ecee DJ |
2841 | /* Clean up any leftovers from other runs. Some other things from |
2842 | this function should probably be moved into target_pre_inferior. */ | |
2843 | target_pre_inferior (from_tty); | |
2844 | ||
6be9a197 TT |
2845 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (args, &async_exec); |
2846 | args = stripped.get (); | |
8bc2fe48 | 2847 | |
b3ccfe11 TT |
2848 | attach_target = find_attach_target (); |
2849 | ||
8bc2fe48 PA |
2850 | prepare_execution_command (attach_target, async_exec); |
2851 | ||
f6ac5f3d | 2852 | if (non_stop && !attach_target->supports_non_stop ()) |
9908b566 VP |
2853 | error (_("Cannot attach to this target in non-stop mode")); |
2854 | ||
f6ac5f3d | 2855 | attach_target->attach (args, from_tty); |
b3ccfe11 TT |
2856 | /* to_attach should push the target, so after this point we |
2857 | shouldn't refer to attach_target again. */ | |
2858 | attach_target = NULL; | |
c906108c SS |
2859 | |
2860 | /* Set up the "saved terminal modes" of the inferior | |
2861 | based on what modes we are starting it with. */ | |
223ffa71 | 2862 | target_terminal::init (); |
c906108c | 2863 | |
7180e04a PA |
2864 | /* Install inferior's terminal modes. This may look like a no-op, |
2865 | as we've just saved them above, however, this does more than | |
2866 | restore terminal settings: | |
2867 | ||
2868 | - installs a SIGINT handler that forwards SIGINT to the inferior. | |
2869 | Otherwise a Ctrl-C pressed just while waiting for the initial | |
2870 | stop would end up as a spurious Quit. | |
2871 | ||
2872 | - removes stdin from the event loop, which we need if attaching | |
2873 | in the foreground, otherwise on targets that report an initial | |
2874 | stop on attach (which are most) we'd process input/commands | |
2875 | while we're in the event loop waiting for that stop. That is, | |
2876 | before the attach continuation runs and the command is really | |
2877 | finished. */ | |
223ffa71 | 2878 | target_terminal::inferior (); |
7180e04a | 2879 | |
c906108c SS |
2880 | /* Set up execution context to know that we should return from |
2881 | wait_for_inferior as soon as the target reports a stop. */ | |
2882 | init_wait_for_inferior (); | |
70509625 | 2883 | clear_proceed_status (0); |
c906108c | 2884 | |
6efcd9a8 PA |
2885 | inferior->needs_setup = 1; |
2886 | ||
fbea99ea | 2887 | if (target_is_non_stop_p ()) |
74531fed PA |
2888 | { |
2889 | /* If we find that the current thread isn't stopped, explicitly | |
2890 | do so now, because we're going to install breakpoints and | |
2891 | poke at memory. */ | |
2892 | ||
2893 | if (async_exec) | |
2894 | /* The user requested an `attach&'; stop just one thread. */ | |
2895 | target_stop (inferior_ptid); | |
2896 | else | |
2897 | /* The user requested an `attach', so stop all threads of this | |
2898 | inferior. */ | |
2899 | target_stop (pid_to_ptid (ptid_get_pid (inferior_ptid))); | |
2900 | } | |
2901 | ||
6efcd9a8 PA |
2902 | mode = async_exec ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_STOP; |
2903 | ||
dc177b7a PA |
2904 | /* Some system don't generate traps when attaching to inferior. |
2905 | E.g. Mach 3 or GNU hurd. */ | |
f6ac5f3d | 2906 | if (!target_attach_no_wait ()) |
c5aa993b | 2907 | { |
0b333c5e | 2908 | struct attach_command_continuation_args *a; |
d6b48e9c | 2909 | |
1777feb0 | 2910 | /* Careful here. See comments in inferior.h. Basically some |
dc177b7a PA |
2911 | OSes don't ignore SIGSTOPs on continue requests anymore. We |
2912 | need a way for handle_inferior_event to reset the stop_signal | |
2913 | variable after an attach, and this is what | |
2914 | STOP_QUIETLY_NO_SIGSTOP is for. */ | |
16c381f0 | 2915 | inferior->control.stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c5aa993b | 2916 | |
3b12939d | 2917 | /* Wait for stop. */ |
0b333c5e PA |
2918 | a = XNEW (struct attach_command_continuation_args); |
2919 | a->args = xstrdup (args); | |
2920 | a->from_tty = from_tty; | |
6efcd9a8 | 2921 | a->mode = mode; |
0b333c5e PA |
2922 | add_inferior_continuation (attach_command_continuation, a, |
2923 | attach_command_continuation_free_args); | |
0b333c5e PA |
2924 | |
2925 | if (!target_is_async_p ()) | |
2926 | mark_infrun_async_event_handler (); | |
2927 | return; | |
dc177b7a | 2928 | } |
6426a772 | 2929 | |
6efcd9a8 | 2930 | attach_post_wait (args, from_tty, mode); |
c906108c SS |
2931 | } |
2932 | ||
1941c569 PA |
2933 | /* We had just found out that the target was already attached to an |
2934 | inferior. PTID points at a thread of this new inferior, that is | |
2935 | the most likely to be stopped right now, but not necessarily so. | |
2936 | The new inferior is assumed to be already added to the inferior | |
2937 | list at this point. If LEAVE_RUNNING, then leave the threads of | |
2938 | this inferior running, except those we've explicitly seen reported | |
2939 | as stopped. */ | |
2940 | ||
2941 | void | |
2942 | notice_new_inferior (ptid_t ptid, int leave_running, int from_tty) | |
2943 | { | |
5ed8105e PA |
2944 | enum attach_post_wait_mode mode |
2945 | = leave_running ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_NOTHING; | |
1941c569 | 2946 | |
5ed8105e | 2947 | gdb::optional<scoped_restore_current_thread> restore_thread; |
1941c569 | 2948 | |
5ed8105e PA |
2949 | if (inferior_ptid != null_ptid) |
2950 | restore_thread.emplace (); | |
1941c569 | 2951 | |
6efcd9a8 PA |
2952 | /* Avoid reading registers -- we haven't fetched the target |
2953 | description yet. */ | |
2954 | switch_to_thread_no_regs (find_thread_ptid (ptid)); | |
1941c569 PA |
2955 | |
2956 | /* When we "notice" a new inferior we need to do all the things we | |
2957 | would normally do if we had just attached to it. */ | |
2958 | ||
2959 | if (is_executing (inferior_ptid)) | |
2960 | { | |
0b333c5e | 2961 | struct attach_command_continuation_args *a; |
1941c569 PA |
2962 | struct inferior *inferior = current_inferior (); |
2963 | ||
2964 | /* We're going to install breakpoints, and poke at memory, | |
2965 | ensure that the inferior is stopped for a moment while we do | |
2966 | that. */ | |
2967 | target_stop (inferior_ptid); | |
2968 | ||
16c381f0 | 2969 | inferior->control.stop_soon = STOP_QUIETLY_REMOTE; |
1941c569 PA |
2970 | |
2971 | /* Wait for stop before proceeding. */ | |
0b333c5e PA |
2972 | a = XNEW (struct attach_command_continuation_args); |
2973 | a->args = xstrdup (""); | |
2974 | a->from_tty = from_tty; | |
6efcd9a8 | 2975 | a->mode = mode; |
0b333c5e PA |
2976 | add_inferior_continuation (attach_command_continuation, a, |
2977 | attach_command_continuation_free_args); | |
1941c569 | 2978 | |
0b333c5e | 2979 | return; |
1941c569 PA |
2980 | } |
2981 | ||
6efcd9a8 | 2982 | attach_post_wait ("" /* args */, from_tty, mode); |
1941c569 PA |
2983 | } |
2984 | ||
c906108c SS |
2985 | /* |
2986 | * detach_command -- | |
2987 | * takes a program previously attached to and detaches it. | |
2988 | * The program resumes execution and will no longer stop | |
2989 | * on signals, etc. We better not have left any breakpoints | |
2990 | * in the program or it'll die when it hits one. For this | |
2991 | * to work, it may be necessary for the process to have been | |
2992 | * previously attached. It *might* work if the program was | |
2993 | * started via the normal ptrace (PTRACE_TRACEME). | |
2994 | */ | |
2995 | ||
6418d433 | 2996 | void |
981a3fb3 | 2997 | detach_command (const char *args, int from_tty) |
c906108c | 2998 | { |
1f5d0fc9 | 2999 | dont_repeat (); /* Not for the faint of heart. */ |
d729566a PA |
3000 | |
3001 | if (ptid_equal (inferior_ptid, null_ptid)) | |
3002 | error (_("The program is not being run.")); | |
3003 | ||
2f9d54cf PA |
3004 | query_if_trace_running (from_tty); |
3005 | ||
3006 | disconnect_tracing (); | |
d5551862 | 3007 | |
6e1e1966 | 3008 | target_detach (current_inferior (), from_tty); |
50c71eaf | 3009 | |
63000888 PA |
3010 | /* The current inferior process was just detached successfully. Get |
3011 | rid of breakpoints that no longer make sense. Note we don't do | |
3012 | this within target_detach because that is also used when | |
3013 | following child forks, and in that case we will want to transfer | |
3014 | breakpoints to the child, not delete them. */ | |
3015 | breakpoint_init_inferior (inf_exited); | |
3016 | ||
50c71eaf PA |
3017 | /* If the solist is global across inferiors, don't clear it when we |
3018 | detach from a single inferior. */ | |
f5656ead | 3019 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
50c71eaf | 3020 | no_shared_libraries (NULL, from_tty); |
8a305172 | 3021 | |
c35b1492 PA |
3022 | /* If we still have inferiors to debug, then don't mess with their |
3023 | threads. */ | |
3024 | if (!have_inferiors ()) | |
8a305172 PA |
3025 | init_thread_list (); |
3026 | ||
9a4105ab AC |
3027 | if (deprecated_detach_hook) |
3028 | deprecated_detach_hook (); | |
c906108c SS |
3029 | } |
3030 | ||
6ad8ae5c DJ |
3031 | /* Disconnect from the current target without resuming it (leaving it |
3032 | waiting for a debugger). | |
3033 | ||
3034 | We'd better not have left any breakpoints in the program or the | |
3035 | next debugger will get confused. Currently only supported for some | |
3036 | remote targets, since the normal attach mechanisms don't work on | |
3037 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
3038 | ||
3039 | static void | |
0b39b52e | 3040 | disconnect_command (const char *args, int from_tty) |
6ad8ae5c | 3041 | { |
1777feb0 | 3042 | dont_repeat (); /* Not for the faint of heart. */ |
2f9d54cf PA |
3043 | query_if_trace_running (from_tty); |
3044 | disconnect_tracing (); | |
6ad8ae5c | 3045 | target_disconnect (args, from_tty); |
e85a822c | 3046 | no_shared_libraries (NULL, from_tty); |
a0ef4274 | 3047 | init_thread_list (); |
9a4105ab AC |
3048 | if (deprecated_detach_hook) |
3049 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
3050 | } |
3051 | ||
77ebaa5a VP |
3052 | void |
3053 | interrupt_target_1 (int all_threads) | |
3054 | { | |
3055 | ptid_t ptid; | |
abbb1732 | 3056 | |
77ebaa5a VP |
3057 | if (all_threads) |
3058 | ptid = minus_one_ptid; | |
3059 | else | |
3060 | ptid = inferior_ptid; | |
e42de8c7 PA |
3061 | |
3062 | if (non_stop) | |
3063 | target_stop (ptid); | |
3064 | else | |
e671cd59 | 3065 | target_interrupt (); |
252fbfc8 PA |
3066 | |
3067 | /* Tag the thread as having been explicitly requested to stop, so | |
3068 | other parts of gdb know not to resume this thread automatically, | |
3069 | if it was stopped due to an internal event. Limit this to | |
3070 | non-stop mode, as when debugging a multi-threaded application in | |
3071 | all-stop mode, we will only get one stop event --- it's undefined | |
3072 | which thread will report the event. */ | |
3073 | if (non_stop) | |
3074 | set_stop_requested (ptid, 1); | |
77ebaa5a VP |
3075 | } |
3076 | ||
6339bfc4 DE |
3077 | /* interrupt [-a] |
3078 | Stop the execution of the target while running in async mode, in | |
17e5269b | 3079 | the background. In all-stop, stop the whole process. In non-stop |
8cae4b3f PA |
3080 | mode, stop the current thread only by default, or stop all threads |
3081 | if the `-a' switch is used. */ | |
3082 | ||
1dd5fedc | 3083 | static void |
0b39b52e | 3084 | interrupt_command (const char *args, int from_tty) |
43ff13b4 | 3085 | { |
362646f5 | 3086 | if (target_can_async_p ()) |
43ff13b4 | 3087 | { |
8cae4b3f PA |
3088 | int all_threads = 0; |
3089 | ||
1777feb0 | 3090 | dont_repeat (); /* Not for the faint of heart. */ |
94cc34af | 3091 | |
8cae4b3f | 3092 | if (args != NULL |
61012eef | 3093 | && startswith (args, "-a")) |
8cae4b3f PA |
3094 | all_threads = 1; |
3095 | ||
3096 | if (!non_stop && all_threads) | |
3097 | error (_("-a is meaningless in all-stop mode.")); | |
3098 | ||
77ebaa5a | 3099 | interrupt_target_1 (all_threads); |
43ff13b4 JM |
3100 | } |
3101 | } | |
3102 | ||
cc86d1cb YQ |
3103 | /* See inferior.h. */ |
3104 | ||
3105 | void | |
3106 | default_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, | |
3107 | struct frame_info *frame, const char *args) | |
c906108c | 3108 | { |
cc86d1cb YQ |
3109 | int regnum; |
3110 | int printed_something = 0; | |
d80b854b | 3111 | |
cc86d1cb YQ |
3112 | for (regnum = 0; |
3113 | regnum < gdbarch_num_regs (gdbarch) | |
3114 | + gdbarch_num_pseudo_regs (gdbarch); | |
3115 | regnum++) | |
23e3a7ac | 3116 | { |
cc86d1cb | 3117 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac | 3118 | { |
cc86d1cb YQ |
3119 | printed_something = 1; |
3120 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); | |
23e3a7ac | 3121 | } |
23e3a7ac | 3122 | } |
cc86d1cb YQ |
3123 | if (!printed_something) |
3124 | fprintf_filtered (file, "No floating-point info " | |
3125 | "available for this processor.\n"); | |
23e3a7ac AC |
3126 | } |
3127 | ||
3128 | static void | |
1d12d88f | 3129 | info_float_command (const char *args, int from_tty) |
23e3a7ac | 3130 | { |
cc86d1cb YQ |
3131 | struct frame_info *frame; |
3132 | ||
206415a3 DJ |
3133 | if (!target_has_registers) |
3134 | error (_("The program has no registers now.")); | |
3135 | ||
cc86d1cb YQ |
3136 | frame = get_selected_frame (NULL); |
3137 | gdbarch_print_float_info (get_frame_arch (frame), gdb_stdout, frame, args); | |
c906108c SS |
3138 | } |
3139 | \f | |
c906108c | 3140 | static void |
981a3fb3 | 3141 | unset_command (const char *args, int from_tty) |
c906108c | 3142 | { |
3e43a32a MS |
3143 | printf_filtered (_("\"unset\" must be followed by the " |
3144 | "name of an unset subcommand.\n")); | |
635c7e8a | 3145 | help_list (unsetlist, "unset ", all_commands, gdb_stdout); |
c906108c SS |
3146 | } |
3147 | ||
145b16a9 UW |
3148 | /* Implement `info proc' family of commands. */ |
3149 | ||
3150 | static void | |
69f476a3 | 3151 | info_proc_cmd_1 (const char *args, enum info_proc_what what, int from_tty) |
145b16a9 | 3152 | { |
3030c96e UW |
3153 | struct gdbarch *gdbarch = get_current_arch (); |
3154 | ||
451b7c33 TT |
3155 | if (!target_info_proc (args, what)) |
3156 | { | |
3157 | if (gdbarch_info_proc_p (gdbarch)) | |
3158 | gdbarch_info_proc (gdbarch, args, what); | |
3159 | else | |
3160 | error (_("Not supported on this target.")); | |
3161 | } | |
145b16a9 UW |
3162 | } |
3163 | ||
3164 | /* Implement `info proc' when given without any futher parameters. */ | |
3165 | ||
3166 | static void | |
981a3fb3 | 3167 | info_proc_cmd (const char *args, int from_tty) |
145b16a9 UW |
3168 | { |
3169 | info_proc_cmd_1 (args, IP_MINIMAL, from_tty); | |
3170 | } | |
3171 | ||
3172 | /* Implement `info proc mappings'. */ | |
3173 | ||
3174 | static void | |
69f476a3 | 3175 | info_proc_cmd_mappings (const char *args, int from_tty) |
145b16a9 UW |
3176 | { |
3177 | info_proc_cmd_1 (args, IP_MAPPINGS, from_tty); | |
3178 | } | |
3179 | ||
3180 | /* Implement `info proc stat'. */ | |
3181 | ||
3182 | static void | |
69f476a3 | 3183 | info_proc_cmd_stat (const char *args, int from_tty) |
145b16a9 UW |
3184 | { |
3185 | info_proc_cmd_1 (args, IP_STAT, from_tty); | |
3186 | } | |
3187 | ||
3188 | /* Implement `info proc status'. */ | |
3189 | ||
3190 | static void | |
69f476a3 | 3191 | info_proc_cmd_status (const char *args, int from_tty) |
145b16a9 UW |
3192 | { |
3193 | info_proc_cmd_1 (args, IP_STATUS, from_tty); | |
3194 | } | |
3195 | ||
3196 | /* Implement `info proc cwd'. */ | |
3197 | ||
3198 | static void | |
69f476a3 | 3199 | info_proc_cmd_cwd (const char *args, int from_tty) |
145b16a9 UW |
3200 | { |
3201 | info_proc_cmd_1 (args, IP_CWD, from_tty); | |
3202 | } | |
3203 | ||
3204 | /* Implement `info proc cmdline'. */ | |
3205 | ||
3206 | static void | |
69f476a3 | 3207 | info_proc_cmd_cmdline (const char *args, int from_tty) |
145b16a9 UW |
3208 | { |
3209 | info_proc_cmd_1 (args, IP_CMDLINE, from_tty); | |
3210 | } | |
3211 | ||
3212 | /* Implement `info proc exe'. */ | |
3213 | ||
3214 | static void | |
69f476a3 | 3215 | info_proc_cmd_exe (const char *args, int from_tty) |
145b16a9 UW |
3216 | { |
3217 | info_proc_cmd_1 (args, IP_EXE, from_tty); | |
3218 | } | |
3219 | ||
3220 | /* Implement `info proc all'. */ | |
3221 | ||
3222 | static void | |
69f476a3 | 3223 | info_proc_cmd_all (const char *args, int from_tty) |
145b16a9 UW |
3224 | { |
3225 | info_proc_cmd_1 (args, IP_ALL, from_tty); | |
3226 | } | |
3227 | ||
4e5a4f58 JB |
3228 | /* This help string is used for the run, start, and starti commands. |
3229 | It is defined as a macro to prevent duplication. */ | |
3230 | ||
3231 | #define RUN_ARGS_HELP \ | |
3232 | "You may specify arguments to give it.\n\ | |
3233 | Args may include \"*\", or \"[...]\"; they are expanded using the\n\ | |
3234 | shell that will start the program (specified by the \"$SHELL\" environment\n\ | |
3235 | variable). Input and output redirection with \">\", \"<\", or \">>\"\n\ | |
3236 | are also allowed.\n\ | |
3237 | \n\ | |
3238 | With no arguments, uses arguments last specified (with \"run\" or \n\ | |
3239 | \"set args\"). To cancel previous arguments and run with no arguments,\n\ | |
3240 | use \"set args\" without arguments.\n\ | |
3241 | \n\ | |
3242 | To start the inferior without using a shell, use \"set startup-with-shell off\"." | |
3243 | ||
c906108c | 3244 | void |
fba45db2 | 3245 | _initialize_infcmd (void) |
c906108c | 3246 | { |
145b16a9 | 3247 | static struct cmd_list_element *info_proc_cmdlist; |
3cb3b8df | 3248 | struct cmd_list_element *c = NULL; |
6f937416 | 3249 | const char *cmd_name; |
3cb3b8df | 3250 | |
1777feb0 | 3251 | /* Add the filename of the terminal connected to inferior I/O. */ |
0a1ddfa6 SM |
3252 | add_setshow_optional_filename_cmd ("inferior-tty", class_run, |
3253 | &inferior_io_terminal_scratch, _("\ | |
3cb3b8df BR |
3254 | Set terminal for future runs of program being debugged."), _("\ |
3255 | Show terminal for future runs of program being debugged."), _("\ | |
0a1ddfa6 SM |
3256 | Usage: set inferior-tty [TTY]\n\n\ |
3257 | If TTY is omitted, the default behavior of using the same terminal as GDB\n\ | |
3258 | is restored."), | |
3259 | set_inferior_tty_command, | |
3260 | show_inferior_tty_command, | |
3261 | &setlist, &showlist); | |
21873064 YQ |
3262 | cmd_name = "inferior-tty"; |
3263 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3264 | gdb_assert (c != NULL); | |
3265 | add_alias_cmd ("tty", c, class_alias, 0, &cmdlist); | |
c906108c | 3266 | |
6ace3df1 YQ |
3267 | cmd_name = "args"; |
3268 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
3269 | &inferior_args_scratch, _("\ | |
b4b4ac0b AC |
3270 | Set argument list to give program being debugged when it is started."), _("\ |
3271 | Show argument list to give program being debugged when it is started."), _("\ | |
3272 | Follow this command with any number of args, to be passed to the program."), | |
6ace3df1 YQ |
3273 | set_args_command, |
3274 | show_args_command, | |
3275 | &setlist, &showlist); | |
3276 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3277 | gdb_assert (c != NULL); | |
3278 | set_cmd_completer (c, filename_completer); | |
c906108c | 3279 | |
d092c5a2 SDJ |
3280 | cmd_name = "cwd"; |
3281 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
3282 | &inferior_cwd_scratch, _("\ | |
3283 | Set the current working directory to be used when the inferior is started.\n\ | |
3284 | Changing this setting does not have any effect on inferiors that are\n\ | |
3285 | already running."), | |
3286 | _("\ | |
3287 | Show the current working directory that is used when the inferior is started."), | |
3288 | _("\ | |
3289 | Use this command to change the current working directory that will be used\n\ | |
3290 | when the inferior is started. This setting does not affect GDB's current\n\ | |
3291 | working directory."), | |
3292 | set_cwd_command, | |
3293 | show_cwd_command, | |
3294 | &setlist, &showlist); | |
3295 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3296 | gdb_assert (c != NULL); | |
3297 | set_cmd_completer (c, filename_completer); | |
3298 | ||
1a966eab AC |
3299 | c = add_cmd ("environment", no_class, environment_info, _("\ |
3300 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
3301 | With an argument VAR, prints the value of environment variable VAR to\n\ |
3302 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 3303 | environment to be given to the program."), &showlist); |
5ba2abeb | 3304 | set_cmd_completer (c, noop_completer); |
c906108c SS |
3305 | |
3306 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 3307 | _("Complement to certain \"set\" commands."), |
c906108c | 3308 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 3309 | |
1a966eab AC |
3310 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
3311 | Cancel environment variable VAR for the program.\n\ | |
3312 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 3313 | &unsetlist); |
5ba2abeb | 3314 | set_cmd_completer (c, noop_completer); |
c906108c | 3315 | |
1a966eab AC |
3316 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
3317 | Set environment variable value to give the program.\n\ | |
c906108c SS |
3318 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
3319 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 3320 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 3321 | &setlist); |
5ba2abeb | 3322 | set_cmd_completer (c, noop_completer); |
c5aa993b | 3323 | |
1bedd215 AC |
3324 | c = add_com ("path", class_files, path_command, _("\ |
3325 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
3326 | $cwd in the path means the current working directory.\n\ |
3327 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
3328 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
3329 | fully linked executable files and separately compiled object files as \ |
3330 | needed.")); | |
5ba2abeb | 3331 | set_cmd_completer (c, filename_completer); |
c906108c | 3332 | |
1a966eab AC |
3333 | c = add_cmd ("paths", no_class, path_info, _("\ |
3334 | Current search path for finding object files.\n\ | |
c906108c SS |
3335 | $cwd in the path means the current working directory.\n\ |
3336 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
3337 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
3338 | fully linked executable files and separately compiled object files as \ |
3339 | needed."), | |
c906108c | 3340 | &showlist); |
5ba2abeb | 3341 | set_cmd_completer (c, noop_completer); |
c906108c | 3342 | |
2277426b PA |
3343 | add_prefix_cmd ("kill", class_run, kill_command, |
3344 | _("Kill execution of program being debugged."), | |
3345 | &killlist, "kill ", 0, &cmdlist); | |
5fd62852 | 3346 | |
1bedd215 AC |
3347 | add_com ("attach", class_run, attach_command, _("\ |
3348 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
3349 | This command attaches to another target, of the same type as your last\n\ |
3350 | \"target\" command (\"info files\" will show your target stack).\n\ | |
3351 | The command may take as argument a process id or a device file.\n\ | |
3352 | For a process id, you must have permission to send the process a signal,\n\ | |
3353 | and it must have the same effective uid as the debugger.\n\ | |
3354 | When using \"attach\" with a process id, the debugger finds the\n\ | |
3355 | program running in the process, looking first in the current working\n\ | |
3356 | directory, or (if not found there) using the source file search path\n\ | |
3357 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 3358 | to specify the program, and to load its symbol table.")); |
c906108c | 3359 | |
f73adfeb | 3360 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 3361 | Detach a process or file previously attached.\n\ |
c906108c | 3362 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
3363 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
3364 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 3365 | |
1bedd215 AC |
3366 | add_com ("disconnect", class_run, disconnect_command, _("\ |
3367 | Disconnect from a target.\n\ | |
6ad8ae5c | 3368 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 3369 | all targets.")); |
6ad8ae5c | 3370 | |
de0bea00 | 3371 | c = add_com ("signal", class_run, signal_command, _("\ |
486c7739 MF |
3372 | Continue program with the specified signal.\n\ |
3373 | Usage: signal SIGNAL\n\ | |
2edda2ff | 3374 | The SIGNAL argument is processed the same as the handle command.\n\ |
486c7739 MF |
3375 | \n\ |
3376 | An argument of \"0\" means continue the program without sending it a signal.\n\ | |
3377 | This is useful in cases where the program stopped because of a signal,\n\ | |
81219e53 DE |
3378 | and you want to resume the program while discarding the signal.\n\ |
3379 | \n\ | |
3380 | In a multi-threaded program the signal is delivered to, or discarded from,\n\ | |
3381 | the current thread only.")); | |
3382 | set_cmd_completer (c, signal_completer); | |
3383 | ||
3384 | c = add_com ("queue-signal", class_run, queue_signal_command, _("\ | |
3385 | Queue a signal to be delivered to the current thread when it is resumed.\n\ | |
3386 | Usage: queue-signal SIGNAL\n\ | |
3387 | The SIGNAL argument is processed the same as the handle command.\n\ | |
3388 | It is an error if the handling state of SIGNAL is \"nopass\".\n\ | |
3389 | \n\ | |
3390 | An argument of \"0\" means remove any currently queued signal from\n\ | |
3391 | the current thread. This is useful in cases where the program stopped\n\ | |
3392 | because of a signal, and you want to resume it while discarding the signal.\n\ | |
3393 | \n\ | |
3394 | In a multi-threaded program the signal is queued with, or discarded from,\n\ | |
3395 | the current thread only.")); | |
de0bea00 | 3396 | set_cmd_completer (c, signal_completer); |
c906108c | 3397 | |
1bedd215 AC |
3398 | add_com ("stepi", class_run, stepi_command, _("\ |
3399 | Step one instruction exactly.\n\ | |
486c7739 MF |
3400 | Usage: stepi [N]\n\ |
3401 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3402 | reason).")); |
c906108c SS |
3403 | add_com_alias ("si", "stepi", class_alias, 0); |
3404 | ||
1bedd215 AC |
3405 | add_com ("nexti", class_run, nexti_command, _("\ |
3406 | Step one instruction, but proceed through subroutine calls.\n\ | |
486c7739 MF |
3407 | Usage: nexti [N]\n\ |
3408 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3409 | reason).")); |
c906108c SS |
3410 | add_com_alias ("ni", "nexti", class_alias, 0); |
3411 | ||
1bedd215 AC |
3412 | add_com ("finish", class_run, finish_command, _("\ |
3413 | Execute until selected stack frame returns.\n\ | |
486c7739 | 3414 | Usage: finish\n\ |
1bedd215 | 3415 | Upon return, the value returned is printed and put in the value history.")); |
0e479716 | 3416 | add_com_alias ("fin", "finish", class_run, 1); |
c906108c | 3417 | |
1bedd215 AC |
3418 | add_com ("next", class_run, next_command, _("\ |
3419 | Step program, proceeding through subroutine calls.\n\ | |
486c7739 MF |
3420 | Usage: next [N]\n\ |
3421 | Unlike \"step\", if the current source line calls a subroutine,\n\ | |
3422 | this command does not enter the subroutine, but instead steps over\n\ | |
dbf6a605 | 3423 | the call, in effect treating it as a single source line.")); |
c906108c | 3424 | add_com_alias ("n", "next", class_run, 1); |
c906108c | 3425 | |
1bedd215 AC |
3426 | add_com ("step", class_run, step_command, _("\ |
3427 | Step program until it reaches a different source line.\n\ | |
486c7739 MF |
3428 | Usage: step [N]\n\ |
3429 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3430 | reason).")); |
c906108c SS |
3431 | add_com_alias ("s", "step", class_run, 1); |
3432 | ||
1bedd215 AC |
3433 | c = add_com ("until", class_run, until_command, _("\ |
3434 | Execute until the program reaches a source line greater than the current\n\ | |
3e43a32a MS |
3435 | or a specified location (same args as break command) within the current \ |
3436 | frame.")); | |
5ba2abeb | 3437 | set_cmd_completer (c, location_completer); |
c906108c | 3438 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 3439 | |
1bedd215 | 3440 | c = add_com ("advance", class_run, advance_command, _("\ |
3e43a32a MS |
3441 | Continue the program up to the given location (same form as args for break \ |
3442 | command).\n\ | |
1bedd215 | 3443 | Execution will also stop upon exit from the current stack frame.")); |
ae66c1fc EZ |
3444 | set_cmd_completer (c, location_completer); |
3445 | ||
1bedd215 AC |
3446 | c = add_com ("jump", class_run, jump_command, _("\ |
3447 | Continue program being debugged at specified line or address.\n\ | |
486c7739 | 3448 | Usage: jump <location>\n\ |
c906108c | 3449 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 3450 | for an address to start at.")); |
5ba2abeb | 3451 | set_cmd_completer (c, location_completer); |
c1d780c2 | 3452 | add_com_alias ("j", "jump", class_run, 1); |
c906108c | 3453 | |
df983543 | 3454 | add_com ("continue", class_run, continue_command, _("\ |
1bedd215 | 3455 | Continue program being debugged, after signal or breakpoint.\n\ |
486c7739 | 3456 | Usage: continue [N]\n\ |
c906108c SS |
3457 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
3458 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
8cae4b3f PA |
3459 | the breakpoint won't break until the Nth time it is reached).\n\ |
3460 | \n\ | |
3461 | If non-stop mode is enabled, continue only the current thread,\n\ | |
3462 | otherwise all the threads in the program are continued. To \n\ | |
3463 | continue all stopped threads in non-stop mode, use the -a option.\n\ | |
3464 | Specifying -a and an ignore count simultaneously is an error.")); | |
c906108c SS |
3465 | add_com_alias ("c", "cont", class_run, 1); |
3466 | add_com_alias ("fg", "cont", class_run, 1); | |
3467 | ||
1bedd215 | 3468 | c = add_com ("run", class_run, run_command, _("\ |
4e5a4f58 JB |
3469 | Start debugged program.\n" |
3470 | RUN_ARGS_HELP)); | |
5ba2abeb | 3471 | set_cmd_completer (c, filename_completer); |
c906108c | 3472 | add_com_alias ("r", "run", class_run, 1); |
c906108c | 3473 | |
1bedd215 | 3474 | c = add_com ("start", class_run, start_command, _("\ |
4e5a4f58 JB |
3475 | Start the debugged program stopping at the beginning of the main procedure.\n" |
3476 | RUN_ARGS_HELP)); | |
3477 | set_cmd_completer (c, filename_completer); | |
3478 | ||
3479 | c = add_com ("starti", class_run, starti_command, _("\ | |
3480 | Start the debugged program stopping at the first instruction.\n" | |
3481 | RUN_ARGS_HELP)); | |
a4d5f2e0 JB |
3482 | set_cmd_completer (c, filename_completer); |
3483 | ||
0a07590b | 3484 | add_com ("interrupt", class_run, interrupt_command, |
df983543 | 3485 | _("Interrupt the execution of the debugged program.\n\ |
8cae4b3f PA |
3486 | If non-stop mode is enabled, interrupt only the current thread,\n\ |
3487 | otherwise all the threads in the program are stopped. To \n\ | |
3488 | interrupt all running threads in non-stop mode, use the -a option.")); | |
43ff13b4 | 3489 | |
11db9430 | 3490 | c = add_info ("registers", info_registers_command, _("\ |
1bedd215 | 3491 | List of integer registers and their contents, for selected stack frame.\n\ |
b67d92b0 SH |
3492 | One or more register names as argument means describe the given registers.\n\ |
3493 | One or more register group names as argument means describe the registers\n\ | |
3494 | in the named register groups.")); | |
7194c49b | 3495 | add_info_alias ("r", "registers", 1); |
71c24708 | 3496 | set_cmd_completer (c, reg_or_group_completer); |
c906108c | 3497 | |
11db9430 | 3498 | c = add_info ("all-registers", info_all_registers_command, _("\ |
1bedd215 | 3499 | List of all registers and their contents, for selected stack frame.\n\ |
b67d92b0 SH |
3500 | One or more register names as argument means describe the given registers.\n\ |
3501 | One or more register group names as argument means describe the registers\n\ | |
3502 | in the named register groups.")); | |
71c24708 | 3503 | set_cmd_completer (c, reg_or_group_completer); |
c906108c | 3504 | |
11db9430 | 3505 | add_info ("program", info_program_command, |
1bedd215 | 3506 | _("Execution status of the program.")); |
c906108c | 3507 | |
11db9430 | 3508 | add_info ("float", info_float_command, |
1bedd215 | 3509 | _("Print the status of the floating point unit\n")); |
c906108c | 3510 | |
11db9430 | 3511 | add_info ("vector", info_vector_command, |
1bedd215 | 3512 | _("Print the status of the vector unit\n")); |
145b16a9 UW |
3513 | |
3514 | add_prefix_cmd ("proc", class_info, info_proc_cmd, | |
3515 | _("\ | |
3516 | Show /proc process information about any running process.\n\ | |
3517 | Specify any process id, or use the program being debugged by default."), | |
3518 | &info_proc_cmdlist, "info proc ", | |
3519 | 1/*allow-unknown*/, &infolist); | |
3520 | ||
3521 | add_cmd ("mappings", class_info, info_proc_cmd_mappings, _("\ | |
3522 | List of mapped memory regions."), | |
3523 | &info_proc_cmdlist); | |
3524 | ||
3525 | add_cmd ("stat", class_info, info_proc_cmd_stat, _("\ | |
3526 | List process info from /proc/PID/stat."), | |
3527 | &info_proc_cmdlist); | |
3528 | ||
3529 | add_cmd ("status", class_info, info_proc_cmd_status, _("\ | |
3530 | List process info from /proc/PID/status."), | |
3531 | &info_proc_cmdlist); | |
3532 | ||
3533 | add_cmd ("cwd", class_info, info_proc_cmd_cwd, _("\ | |
3534 | List current working directory of the process."), | |
3535 | &info_proc_cmdlist); | |
3536 | ||
3537 | add_cmd ("cmdline", class_info, info_proc_cmd_cmdline, _("\ | |
3538 | List command line arguments of the process."), | |
3539 | &info_proc_cmdlist); | |
3540 | ||
3541 | add_cmd ("exe", class_info, info_proc_cmd_exe, _("\ | |
3542 | List absolute filename for executable of the process."), | |
3543 | &info_proc_cmdlist); | |
3544 | ||
3545 | add_cmd ("all", class_info, info_proc_cmd_all, _("\ | |
3546 | List all available /proc info."), | |
3547 | &info_proc_cmdlist); | |
c906108c | 3548 | } |