Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 2 | |
b811d2c2 | 3 | Copyright (C) 1986-2020 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 SS |
22 | #include "symtab.h" |
23 | #include "gdbtypes.h" | |
24 | #include "frame.h" | |
25 | #include "inferior.h" | |
45741a9c | 26 | #include "infrun.h" |
268a13a5 | 27 | #include "gdbsupport/environ.h" |
c906108c SS |
28 | #include "value.h" |
29 | #include "gdbcmd.h" | |
1adeb98a | 30 | #include "symfile.h" |
c906108c SS |
31 | #include "gdbcore.h" |
32 | #include "target.h" | |
33 | #include "language.h" | |
c906108c | 34 | #include "objfiles.h" |
c94fdfd0 | 35 | #include "completer.h" |
8b93c638 | 36 | #include "ui-out.h" |
36160dc4 | 37 | #include "regcache.h" |
f9418c0f | 38 | #include "reggroups.h" |
fe898f56 | 39 | #include "block.h" |
a77053c2 | 40 | #include "solib.h" |
f9418c0f | 41 | #include <ctype.h> |
76727919 | 42 | #include "observable.h" |
424163ea | 43 | #include "target-descriptions.h" |
ad842144 | 44 | #include "user-regs.h" |
a0ef4274 | 45 | #include "gdbthread.h" |
79a45b7d | 46 | #include "valprint.h" |
edb3359d | 47 | #include "inline-frame.h" |
573cda03 | 48 | #include "tracepoint.h" |
09cee04b | 49 | #include "inf-loop.h" |
be34f849 | 50 | #include "continuations.h" |
f8eba3c6 | 51 | #include "linespec.h" |
243a9253 | 52 | #include "thread-fsm.h" |
3b12939d | 53 | #include "top.h" |
8980e177 | 54 | #include "interps.h" |
4a4c04f1 | 55 | #include "skip.h" |
268a13a5 | 56 | #include "gdbsupport/gdb_optional.h" |
b46a8d7c | 57 | #include "source.h" |
7f6aba03 | 58 | #include "cli/cli-style.h" |
d5551862 | 59 | |
a58dd373 EZ |
60 | /* Local functions: */ |
61 | ||
a14ed312 | 62 | static void until_next_command (int); |
c906108c | 63 | |
0b39b52e | 64 | static void step_1 (int, int, const char *); |
c906108c | 65 | |
c906108c | 66 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 67 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c | 68 | |
3e43a32a MS |
69 | /* Scratch area where string containing arguments to give to the |
70 | program will be stored by 'set args'. As soon as anything is | |
71 | stored, notice_args_set will move it into per-inferior storage. | |
1777feb0 | 72 | Arguments are separated by spaces. Empty string (pointer to '\0') |
3e43a32a | 73 | means no args. */ |
c906108c | 74 | |
3f81c18a | 75 | static char *inferior_args_scratch; |
c906108c | 76 | |
d092c5a2 SDJ |
77 | /* Scratch area where the new cwd will be stored by 'set cwd'. */ |
78 | ||
79 | static char *inferior_cwd_scratch; | |
80 | ||
3f81c18a VP |
81 | /* Scratch area where 'set inferior-tty' will store user-provided value. |
82 | We'll immediate copy it into per-inferior storage. */ | |
552c04a7 | 83 | |
3f81c18a | 84 | static char *inferior_io_terminal_scratch; |
c906108c SS |
85 | |
86 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
87 | Since various parts of infrun.c test this to see whether there is a program | |
88 | being debugged it should be nonzero (currently 3 is used) for remote | |
89 | debugging. */ | |
90 | ||
39f77062 | 91 | ptid_t inferior_ptid; |
c906108c | 92 | |
c906108c SS |
93 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
94 | ||
aa7d318d | 95 | enum stop_stack_kind stop_stack_dummy; |
c906108c SS |
96 | |
97 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
98 | process. */ | |
99 | ||
100 | int stopped_by_random_signal; | |
101 | ||
c906108c | 102 | \f |
1777feb0 | 103 | /* Accessor routines. */ |
07091751 | 104 | |
3f81c18a VP |
105 | /* Set the io terminal for the current inferior. Ownership of |
106 | TERMINAL_NAME is not transferred. */ | |
107 | ||
3cb3b8df BR |
108 | void |
109 | set_inferior_io_terminal (const char *terminal_name) | |
110 | { | |
3f81c18a | 111 | xfree (current_inferior ()->terminal); |
0a1ddfa6 SM |
112 | |
113 | if (terminal_name != NULL && *terminal_name != '\0') | |
114 | current_inferior ()->terminal = xstrdup (terminal_name); | |
115 | else | |
116 | current_inferior ()->terminal = NULL; | |
3cb3b8df BR |
117 | } |
118 | ||
119 | const char * | |
120 | get_inferior_io_terminal (void) | |
121 | { | |
3f81c18a VP |
122 | return current_inferior ()->terminal; |
123 | } | |
124 | ||
125 | static void | |
eb4c3f4a | 126 | set_inferior_tty_command (const char *args, int from_tty, |
3f81c18a VP |
127 | struct cmd_list_element *c) |
128 | { | |
129 | /* CLI has assigned the user-provided value to inferior_io_terminal_scratch. | |
130 | Now route it to current inferior. */ | |
131 | set_inferior_io_terminal (inferior_io_terminal_scratch); | |
132 | } | |
133 | ||
134 | static void | |
135 | show_inferior_tty_command (struct ui_file *file, int from_tty, | |
136 | struct cmd_list_element *c, const char *value) | |
137 | { | |
138 | /* Note that we ignore the passed-in value in favor of computing it | |
139 | directly. */ | |
275f2e57 | 140 | const char *inferior_io_terminal = get_inferior_io_terminal (); |
abbb1732 | 141 | |
275f2e57 DJ |
142 | if (inferior_io_terminal == NULL) |
143 | inferior_io_terminal = ""; | |
3f81c18a | 144 | fprintf_filtered (gdb_stdout, |
275f2e57 DJ |
145 | _("Terminal for future runs of program being debugged " |
146 | "is \"%s\".\n"), inferior_io_terminal); | |
3cb3b8df BR |
147 | } |
148 | ||
cbaaa0ca | 149 | const char * |
07091751 FN |
150 | get_inferior_args (void) |
151 | { | |
3f81c18a | 152 | if (current_inferior ()->argc != 0) |
552c04a7 | 153 | { |
3f81c18a | 154 | char *n; |
552c04a7 | 155 | |
3f81c18a VP |
156 | n = construct_inferior_arguments (current_inferior ()->argc, |
157 | current_inferior ()->argv); | |
158 | set_inferior_args (n); | |
159 | xfree (n); | |
552c04a7 TT |
160 | } |
161 | ||
3f81c18a VP |
162 | if (current_inferior ()->args == NULL) |
163 | current_inferior ()->args = xstrdup (""); | |
552c04a7 | 164 | |
3f81c18a | 165 | return current_inferior ()->args; |
07091751 FN |
166 | } |
167 | ||
3f81c18a VP |
168 | /* Set the arguments for the current inferior. Ownership of |
169 | NEWARGS is not transferred. */ | |
170 | ||
171 | void | |
0b39b52e | 172 | set_inferior_args (const char *newargs) |
07091751 | 173 | { |
3f81c18a VP |
174 | xfree (current_inferior ()->args); |
175 | current_inferior ()->args = newargs ? xstrdup (newargs) : NULL; | |
176 | current_inferior ()->argc = 0; | |
177 | current_inferior ()->argv = 0; | |
07091751 | 178 | } |
c5aa993b | 179 | |
552c04a7 TT |
180 | void |
181 | set_inferior_args_vector (int argc, char **argv) | |
182 | { | |
3f81c18a VP |
183 | current_inferior ()->argc = argc; |
184 | current_inferior ()->argv = argv; | |
552c04a7 TT |
185 | } |
186 | ||
187 | /* Notice when `set args' is run. */ | |
6339bfc4 | 188 | |
552c04a7 | 189 | static void |
eb4c3f4a | 190 | set_args_command (const char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 | 191 | { |
3f81c18a VP |
192 | /* CLI has assigned the user-provided value to inferior_args_scratch. |
193 | Now route it to current inferior. */ | |
194 | set_inferior_args (inferior_args_scratch); | |
552c04a7 TT |
195 | } |
196 | ||
197 | /* Notice when `show args' is run. */ | |
6339bfc4 | 198 | |
552c04a7 | 199 | static void |
3f81c18a VP |
200 | show_args_command (struct ui_file *file, int from_tty, |
201 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 202 | { |
258c00cc TT |
203 | /* Note that we ignore the passed-in value in favor of computing it |
204 | directly. */ | |
205 | deprecated_show_value_hack (file, from_tty, c, get_inferior_args ()); | |
552c04a7 TT |
206 | } |
207 | ||
268a13a5 | 208 | /* See gdbsupport/common-inferior.h. */ |
d092c5a2 | 209 | |
bc3b087d | 210 | void |
d092c5a2 SDJ |
211 | set_inferior_cwd (const char *cwd) |
212 | { | |
213 | struct inferior *inf = current_inferior (); | |
214 | ||
215 | gdb_assert (inf != NULL); | |
216 | ||
217 | if (cwd == NULL) | |
218 | inf->cwd.reset (); | |
219 | else | |
220 | inf->cwd.reset (xstrdup (cwd)); | |
221 | } | |
222 | ||
268a13a5 | 223 | /* See gdbsupport/common-inferior.h. */ |
d092c5a2 SDJ |
224 | |
225 | const char * | |
226 | get_inferior_cwd () | |
227 | { | |
228 | return current_inferior ()->cwd.get (); | |
229 | } | |
230 | ||
231 | /* Handle the 'set cwd' command. */ | |
232 | ||
233 | static void | |
eb4c3f4a | 234 | set_cwd_command (const char *args, int from_tty, struct cmd_list_element *c) |
d092c5a2 SDJ |
235 | { |
236 | if (*inferior_cwd_scratch == '\0') | |
237 | set_inferior_cwd (NULL); | |
238 | else | |
239 | set_inferior_cwd (inferior_cwd_scratch); | |
240 | } | |
241 | ||
242 | /* Handle the 'show cwd' command. */ | |
243 | ||
244 | static void | |
245 | show_cwd_command (struct ui_file *file, int from_tty, | |
246 | struct cmd_list_element *c, const char *value) | |
247 | { | |
248 | const char *cwd = get_inferior_cwd (); | |
249 | ||
250 | if (cwd == NULL) | |
251 | fprintf_filtered (gdb_stdout, | |
252 | _("\ | |
253 | You have not set the inferior's current working directory.\n\ | |
bc3b087d SDJ |
254 | The inferior will inherit GDB's cwd if native debugging, or the remote\n\ |
255 | server's cwd if remote debugging.\n")); | |
d092c5a2 SDJ |
256 | else |
257 | fprintf_filtered (gdb_stdout, | |
258 | _("Current working directory that will be used " | |
259 | "when starting the inferior is \"%s\".\n"), cwd); | |
260 | } | |
261 | ||
c2a727fa TT |
262 | \f |
263 | /* Compute command-line string given argument vector. This does the | |
264 | same shell processing as fork_inferior. */ | |
6339bfc4 | 265 | |
c2a727fa | 266 | char * |
bd57a748 | 267 | construct_inferior_arguments (int argc, char **argv) |
c2a727fa TT |
268 | { |
269 | char *result; | |
270 | ||
98882a26 | 271 | if (startup_with_shell) |
c2a727fa | 272 | { |
5d60742e EZ |
273 | #ifdef __MINGW32__ |
274 | /* This holds all the characters considered special to the | |
275 | Windows shells. */ | |
a121b7c1 PA |
276 | static const char special[] = "\"!&*|[]{}<>?`~^=;, \t\n"; |
277 | static const char quote = '"'; | |
5d60742e | 278 | #else |
c2a727fa TT |
279 | /* This holds all the characters considered special to the |
280 | typical Unix shells. We include `^' because the SunOS | |
281 | /bin/sh treats it as a synonym for `|'. */ | |
a121b7c1 PA |
282 | static const char special[] = "\"!#$&*()\\|[]{}<>?'`~^; \t\n"; |
283 | static const char quote = '\''; | |
5d60742e | 284 | #endif |
c2a727fa TT |
285 | int i; |
286 | int length = 0; | |
287 | char *out, *cp; | |
288 | ||
289 | /* We over-compute the size. It shouldn't matter. */ | |
290 | for (i = 0; i < argc; ++i) | |
c2226152 | 291 | length += 3 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
292 | |
293 | result = (char *) xmalloc (length); | |
294 | out = result; | |
295 | ||
296 | for (i = 0; i < argc; ++i) | |
297 | { | |
298 | if (i > 0) | |
299 | *out++ = ' '; | |
300 | ||
03c6228e AS |
301 | /* Need to handle empty arguments specially. */ |
302 | if (argv[i][0] == '\0') | |
c2a727fa | 303 | { |
5d60742e EZ |
304 | *out++ = quote; |
305 | *out++ = quote; | |
03c6228e AS |
306 | } |
307 | else | |
308 | { | |
5d60742e EZ |
309 | #ifdef __MINGW32__ |
310 | int quoted = 0; | |
311 | ||
312 | if (strpbrk (argv[i], special)) | |
313 | { | |
314 | quoted = 1; | |
315 | *out++ = quote; | |
316 | } | |
317 | #endif | |
03c6228e AS |
318 | for (cp = argv[i]; *cp; ++cp) |
319 | { | |
c2226152 AS |
320 | if (*cp == '\n') |
321 | { | |
322 | /* A newline cannot be quoted with a backslash (it | |
323 | just disappears), only by putting it inside | |
324 | quotes. */ | |
5d60742e | 325 | *out++ = quote; |
c2226152 | 326 | *out++ = '\n'; |
5d60742e | 327 | *out++ = quote; |
c2226152 AS |
328 | } |
329 | else | |
330 | { | |
5d60742e EZ |
331 | #ifdef __MINGW32__ |
332 | if (*cp == quote) | |
333 | #else | |
c2226152 | 334 | if (strchr (special, *cp) != NULL) |
5d60742e | 335 | #endif |
c2226152 AS |
336 | *out++ = '\\'; |
337 | *out++ = *cp; | |
338 | } | |
03c6228e | 339 | } |
5d60742e EZ |
340 | #ifdef __MINGW32__ |
341 | if (quoted) | |
342 | *out++ = quote; | |
343 | #endif | |
c2a727fa TT |
344 | } |
345 | } | |
346 | *out = '\0'; | |
347 | } | |
348 | else | |
349 | { | |
350 | /* In this case we can't handle arguments that contain spaces, | |
351 | tabs, or newlines -- see breakup_args(). */ | |
352 | int i; | |
353 | int length = 0; | |
354 | ||
355 | for (i = 0; i < argc; ++i) | |
356 | { | |
357 | char *cp = strchr (argv[i], ' '); | |
358 | if (cp == NULL) | |
359 | cp = strchr (argv[i], '\t'); | |
360 | if (cp == NULL) | |
361 | cp = strchr (argv[i], '\n'); | |
362 | if (cp != NULL) | |
3e43a32a MS |
363 | error (_("can't handle command-line " |
364 | "argument containing whitespace")); | |
c2a727fa TT |
365 | length += strlen (argv[i]) + 1; |
366 | } | |
367 | ||
368 | result = (char *) xmalloc (length); | |
369 | result[0] = '\0'; | |
370 | for (i = 0; i < argc; ++i) | |
371 | { | |
372 | if (i > 0) | |
373 | strcat (result, " "); | |
374 | strcat (result, argv[i]); | |
375 | } | |
376 | } | |
377 | ||
378 | return result; | |
379 | } | |
552c04a7 TT |
380 | \f |
381 | ||
6c4486e6 PA |
382 | /* This function strips the '&' character (indicating background |
383 | execution) that is added as *the last* of the arguments ARGS of a | |
384 | command. A copy of the incoming ARGS without the '&' is returned, | |
385 | unless the resulting string after stripping is empty, in which case | |
386 | NULL is returned. *BG_CHAR_P is an output boolean that indicates | |
387 | whether the '&' character was found. */ | |
6339bfc4 | 388 | |
6be9a197 | 389 | static gdb::unique_xmalloc_ptr<char> |
6c4486e6 | 390 | strip_bg_char (const char *args, int *bg_char_p) |
43ff13b4 | 391 | { |
6c4486e6 | 392 | const char *p; |
c5aa993b | 393 | |
6c4486e6 PA |
394 | if (args == NULL || *args == '\0') |
395 | { | |
396 | *bg_char_p = 0; | |
397 | return NULL; | |
398 | } | |
c5aa993b | 399 | |
6c4486e6 PA |
400 | p = args + strlen (args); |
401 | if (p[-1] == '&') | |
43ff13b4 | 402 | { |
6c4486e6 PA |
403 | p--; |
404 | while (p > args && isspace (p[-1])) | |
405 | p--; | |
406 | ||
407 | *bg_char_p = 1; | |
408 | if (p != args) | |
6be9a197 TT |
409 | return gdb::unique_xmalloc_ptr<char> |
410 | (savestring (args, p - args)); | |
6c4486e6 | 411 | else |
6be9a197 | 412 | return gdb::unique_xmalloc_ptr<char> (nullptr); |
43ff13b4 | 413 | } |
6c4486e6 PA |
414 | |
415 | *bg_char_p = 0; | |
b02f78f9 | 416 | return make_unique_xstrdup (args); |
43ff13b4 JM |
417 | } |
418 | ||
281b533b DJ |
419 | /* Common actions to take after creating any sort of inferior, by any |
420 | means (running, attaching, connecting, et cetera). The target | |
421 | should be stopped. */ | |
422 | ||
423 | void | |
424 | post_create_inferior (struct target_ops *target, int from_tty) | |
425 | { | |
ce406537 | 426 | |
b79599ff | 427 | /* Be sure we own the terminal in case write operations are performed. */ |
223ffa71 | 428 | target_terminal::ours_for_output (); |
b79599ff | 429 | |
424163ea DJ |
430 | /* If the target hasn't taken care of this already, do it now. |
431 | Targets which need to access registers during to_open, | |
432 | to_create_inferior, or to_attach should do it earlier; but many | |
433 | don't need to. */ | |
434 | target_find_description (); | |
435 | ||
ce406537 PA |
436 | /* Now that we know the register layout, retrieve current PC. But |
437 | if the PC is unavailable (e.g., we're opening a core file with | |
438 | missing registers info), ignore it. */ | |
f2ffa92b PA |
439 | thread_info *thr = inferior_thread (); |
440 | ||
441 | thr->suspend.stop_pc = 0; | |
a70b8144 | 442 | try |
ce406537 | 443 | { |
f2ffa92b | 444 | thr->suspend.stop_pc = regcache_read_pc (get_current_regcache ()); |
ce406537 | 445 | } |
230d2906 | 446 | catch (const gdb_exception_error &ex) |
7556d4a4 PA |
447 | { |
448 | if (ex.error != NOT_AVAILABLE_ERROR) | |
eedc3f4f | 449 | throw; |
7556d4a4 | 450 | } |
f698437e | 451 | |
50c71eaf PA |
452 | if (exec_bfd) |
453 | { | |
2eff07b3 PP |
454 | const unsigned solib_add_generation |
455 | = current_program_space->solib_add_generation; | |
456 | ||
9353355f DJ |
457 | /* Create the hooks to handle shared library load and unload |
458 | events. */ | |
268a4a75 | 459 | solib_create_inferior_hook (from_tty); |
268a4a75 | 460 | |
2eff07b3 PP |
461 | if (current_program_space->solib_add_generation == solib_add_generation) |
462 | { | |
463 | /* The platform-specific hook should load initial shared libraries, | |
464 | but didn't. FROM_TTY will be incorrectly 0 but such solib | |
465 | targets should be fixed anyway. Call it only after the solib | |
466 | target has been initialized by solib_create_inferior_hook. */ | |
467 | ||
468 | if (info_verbose) | |
469 | warning (_("platform-specific solib_create_inferior_hook did " | |
470 | "not load initial shared libraries.")); | |
471 | ||
472 | /* If the solist is global across processes, there's no need to | |
473 | refetch it here. */ | |
f5656ead | 474 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
e696b3ad | 475 | solib_add (NULL, 0, auto_solib_add); |
2eff07b3 | 476 | } |
9353355f DJ |
477 | } |
478 | ||
ea5d7a99 PM |
479 | /* If the user sets watchpoints before execution having started, |
480 | then she gets software watchpoints, because GDB can't know which | |
481 | target will end up being pushed, or if it supports hardware | |
482 | watchpoints or not. breakpoint_re_set takes care of promoting | |
483 | watchpoints to hardware watchpoints if possible, however, if this | |
484 | new inferior doesn't load shared libraries or we don't pull in | |
485 | symbols from any other source on this target/arch, | |
486 | breakpoint_re_set is never called. Call it now so that software | |
487 | watchpoints get a chance to be promoted to hardware watchpoints | |
488 | if the now pushed target supports hardware watchpoints. */ | |
489 | breakpoint_re_set (); | |
490 | ||
76727919 | 491 | gdb::observers::inferior_created.notify (target, from_tty); |
281b533b DJ |
492 | } |
493 | ||
a4d5f2e0 JB |
494 | /* Kill the inferior if already running. This function is designed |
495 | to be called when we are about to start the execution of the program | |
496 | from the beginning. Ask the user to confirm that he wants to restart | |
497 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 498 | |
8edfe269 | 499 | static void |
a4d5f2e0 JB |
500 | kill_if_already_running (int from_tty) |
501 | { | |
d7e15655 | 502 | if (inferior_ptid != null_ptid && target_has_execution) |
c906108c | 503 | { |
8edfe269 DJ |
504 | /* Bail out before killing the program if we will not be able to |
505 | restart it. */ | |
506 | target_require_runnable (); | |
507 | ||
adf40b2e | 508 | if (from_tty |
9e2f0ad4 HZ |
509 | && !query (_("The program being debugged has been started already.\n\ |
510 | Start it from the beginning? "))) | |
8a3fe4f8 | 511 | error (_("Program not restarted.")); |
c906108c | 512 | target_kill (); |
c906108c | 513 | } |
a4d5f2e0 JB |
514 | } |
515 | ||
329ea579 | 516 | /* See inferior.h. */ |
8bc2fe48 | 517 | |
329ea579 | 518 | void |
8bc2fe48 PA |
519 | prepare_execution_command (struct target_ops *target, int background) |
520 | { | |
521 | /* If we get a request for running in the bg but the target | |
522 | doesn't support it, error out. */ | |
f6ac5f3d | 523 | if (background && !target->can_async_p ()) |
8bc2fe48 PA |
524 | error (_("Asynchronous execution not supported on this target.")); |
525 | ||
0b333c5e | 526 | if (!background) |
8bc2fe48 | 527 | { |
0b333c5e PA |
528 | /* If we get a request for running in the fg, then we need to |
529 | simulate synchronous (fg) execution. Note no cleanup is | |
530 | necessary for this. stdin is re-enabled whenever an error | |
531 | reaches the top level. */ | |
a8836c93 | 532 | all_uis_on_sync_execution_starting (); |
8bc2fe48 PA |
533 | } |
534 | } | |
535 | ||
4e5a4f58 JB |
536 | /* Determine how the new inferior will behave. */ |
537 | ||
538 | enum run_how | |
539 | { | |
540 | /* Run program without any explicit stop during startup. */ | |
541 | RUN_NORMAL, | |
542 | ||
543 | /* Stop at the beginning of the program's main function. */ | |
544 | RUN_STOP_AT_MAIN, | |
545 | ||
546 | /* Stop at the first instruction of the program. */ | |
547 | RUN_STOP_AT_FIRST_INSN | |
548 | }; | |
549 | ||
550 | /* Implement the "run" command. Force a stop during program start if | |
551 | requested by RUN_HOW. */ | |
f67a969f | 552 | |
a4d5f2e0 | 553 | static void |
0b39b52e | 554 | run_command_1 (const char *args, int from_tty, enum run_how run_how) |
a4d5f2e0 | 555 | { |
7c5ded6a | 556 | const char *exec_file; |
79a45e25 | 557 | struct ui_out *uiout = current_uiout; |
b3ccfe11 | 558 | struct target_ops *run_target; |
6c4486e6 | 559 | int async_exec; |
c906108c | 560 | |
a4d5f2e0 JB |
561 | dont_repeat (); |
562 | ||
563 | kill_if_already_running (from_tty); | |
3c35e65b UW |
564 | |
565 | init_wait_for_inferior (); | |
c906108c SS |
566 | clear_breakpoint_hit_counts (); |
567 | ||
fd79ecee DJ |
568 | /* Clean up any leftovers from other runs. Some other things from |
569 | this function should probably be moved into target_pre_inferior. */ | |
570 | target_pre_inferior (from_tty); | |
571 | ||
39ad761d JB |
572 | /* The comment here used to read, "The exec file is re-read every |
573 | time we do a generic_mourn_inferior, so we just have to worry | |
574 | about the symbol file." The `generic_mourn_inferior' function | |
575 | gets called whenever the program exits. However, suppose the | |
576 | program exits, and *then* the executable file changes? We need | |
577 | to check again here. Since reopen_exec_file doesn't do anything | |
578 | if the timestamp hasn't changed, I don't see the harm. */ | |
579 | reopen_exec_file (); | |
c906108c SS |
580 | reread_symbols (); |
581 | ||
6be9a197 TT |
582 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (args, &async_exec); |
583 | args = stripped.get (); | |
f67a969f | 584 | |
8bc2fe48 PA |
585 | /* Do validation and preparation before possibly changing anything |
586 | in the inferior. */ | |
39ad761d | 587 | |
b3ccfe11 TT |
588 | run_target = find_run_target (); |
589 | ||
8bc2fe48 PA |
590 | prepare_execution_command (run_target, async_exec); |
591 | ||
f6ac5f3d | 592 | if (non_stop && !run_target->supports_non_stop ()) |
9908b566 VP |
593 | error (_("The target does not support running in non-stop mode.")); |
594 | ||
8bc2fe48 PA |
595 | /* Done. Can now set breakpoints, change inferior args, etc. */ |
596 | ||
4e5a4f58 JB |
597 | /* Insert temporary breakpoint in main function if requested. */ |
598 | if (run_how == RUN_STOP_AT_MAIN) | |
e242fd12 SM |
599 | { |
600 | std::string arg = string_printf ("-qualified %s", main_name ()); | |
601 | tbreak_command (arg.c_str (), 0); | |
602 | } | |
8bc2fe48 | 603 | |
7c5ded6a | 604 | exec_file = get_exec_file (0); |
8bc2fe48 | 605 | |
c906108c SS |
606 | /* We keep symbols from add-symbol-file, on the grounds that the |
607 | user might want to add some symbols before running the program | |
608 | (right?). But sometimes (dynamic loading where the user manually | |
609 | introduces the new symbols with add-symbol-file), the code which | |
610 | the symbols describe does not persist between runs. Currently | |
611 | the user has to manually nuke all symbols between runs if they | |
612 | want them to go away (PR 2207). This is probably reasonable. */ | |
613 | ||
8bc2fe48 PA |
614 | /* If there were other args, beside '&', process them. */ |
615 | if (args != NULL) | |
616 | set_inferior_args (args); | |
c906108c SS |
617 | |
618 | if (from_tty) | |
619 | { | |
112e8700 SM |
620 | uiout->field_string (NULL, "Starting program"); |
621 | uiout->text (": "); | |
8b93c638 | 622 | if (exec_file) |
112e8700 SM |
623 | uiout->field_string ("execfile", exec_file); |
624 | uiout->spaces (1); | |
552c04a7 TT |
625 | /* We call get_inferior_args() because we might need to compute |
626 | the value now. */ | |
112e8700 SM |
627 | uiout->field_string ("infargs", get_inferior_args ()); |
628 | uiout->text ("\n"); | |
629 | uiout->flush (); | |
c906108c SS |
630 | } |
631 | ||
552c04a7 TT |
632 | /* We call get_inferior_args() because we might need to compute |
633 | the value now. */ | |
f6ac5f3d PA |
634 | run_target->create_inferior (exec_file, |
635 | std::string (get_inferior_args ()), | |
636 | current_inferior ()->environment.envp (), | |
637 | from_tty); | |
b3ccfe11 TT |
638 | /* to_create_inferior should push the target, so after this point we |
639 | shouldn't refer to run_target again. */ | |
640 | run_target = NULL; | |
281b533b | 641 | |
29f49a6a PA |
642 | /* We're starting off a new process. When we get out of here, in |
643 | non-stop mode, finish the state of all threads of that process, | |
644 | but leave other threads alone, as they may be stopped in internal | |
645 | events --- the frontend shouldn't see them as stopped. In | |
646 | all-stop, always finish the state of all threads, as we may be | |
647 | resuming more than just the new process. */ | |
5b6d1e4f PA |
648 | process_stratum_target *finish_target; |
649 | ptid_t finish_ptid; | |
650 | if (non_stop) | |
651 | { | |
652 | finish_target = current_inferior ()->process_target (); | |
653 | finish_ptid = ptid_t (current_inferior ()->pid); | |
654 | } | |
655 | else | |
656 | { | |
657 | finish_target = nullptr; | |
658 | finish_ptid = minus_one_ptid; | |
659 | } | |
660 | scoped_finish_thread_state finish_state (finish_target, finish_ptid); | |
29f49a6a | 661 | |
de1b3c3d PA |
662 | /* Pass zero for FROM_TTY, because at this point the "run" command |
663 | has done its thing; now we are setting up the running program. */ | |
8b88a78e | 664 | post_create_inferior (current_top_target (), 0); |
281b533b | 665 | |
4e5a4f58 JB |
666 | /* Queue a pending event so that the program stops immediately. */ |
667 | if (run_how == RUN_STOP_AT_FIRST_INSN) | |
668 | { | |
669 | thread_info *thr = inferior_thread (); | |
670 | thr->suspend.waitstatus_pending_p = 1; | |
671 | thr->suspend.waitstatus.kind = TARGET_WAITKIND_STOPPED; | |
672 | thr->suspend.waitstatus.value.sig = GDB_SIGNAL_0; | |
673 | } | |
674 | ||
74d1f91e JK |
675 | /* Start the target running. Do not use -1 continuation as it would skip |
676 | breakpoint right at the entry point. */ | |
64ce06e4 | 677 | proceed (regcache_read_pc (get_current_regcache ()), GDB_SIGNAL_0); |
c906108c | 678 | |
29f49a6a PA |
679 | /* Since there was no error, there's no need to finish the thread |
680 | states here. */ | |
731f534f | 681 | finish_state.release (); |
29f49a6a | 682 | } |
c906108c | 683 | |
f67a969f | 684 | static void |
0b39b52e | 685 | run_command (const char *args, int from_tty) |
f67a969f | 686 | { |
4e5a4f58 | 687 | run_command_1 (args, from_tty, RUN_NORMAL); |
f67a969f JB |
688 | } |
689 | ||
a4d5f2e0 JB |
690 | /* Start the execution of the program up until the beginning of the main |
691 | program. */ | |
692 | ||
693 | static void | |
0b39b52e | 694 | start_command (const char *args, int from_tty) |
a4d5f2e0 JB |
695 | { |
696 | /* Some languages such as Ada need to search inside the program | |
697 | minimal symbols for the location where to put the temporary | |
698 | breakpoint before starting. */ | |
699 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 700 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 701 | |
f67a969f | 702 | /* Run the program until reaching the main procedure... */ |
4e5a4f58 JB |
703 | run_command_1 (args, from_tty, RUN_STOP_AT_MAIN); |
704 | } | |
705 | ||
706 | /* Start the execution of the program stopping at the first | |
707 | instruction. */ | |
708 | ||
709 | static void | |
0b39b52e | 710 | starti_command (const char *args, int from_tty) |
4e5a4f58 JB |
711 | { |
712 | run_command_1 (args, from_tty, RUN_STOP_AT_FIRST_INSN); | |
a4d5f2e0 JB |
713 | } |
714 | ||
8cae4b3f PA |
715 | static int |
716 | proceed_thread_callback (struct thread_info *thread, void *arg) | |
717 | { | |
74531fed PA |
718 | /* We go through all threads individually instead of compressing |
719 | into a single target `resume_all' request, because some threads | |
720 | may be stopped in internal breakpoints/events, or stopped waiting | |
721 | for its turn in the displaced stepping queue (that is, they are | |
722 | running && !executing). The target side has no idea about why | |
723 | the thread is stopped, so a `resume_all' command would resume too | |
724 | much. If/when GDB gains a way to tell the target `hold this | |
725 | thread stopped until I say otherwise', then we can optimize | |
726 | this. */ | |
00431a78 | 727 | if (thread->state != THREAD_STOPPED) |
8cae4b3f PA |
728 | return 0; |
729 | ||
5b6d1e4f PA |
730 | if (!thread->inf->has_execution ()) |
731 | return 0; | |
732 | ||
00431a78 | 733 | switch_to_thread (thread); |
70509625 | 734 | clear_proceed_status (0); |
64ce06e4 | 735 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
8cae4b3f PA |
736 | return 0; |
737 | } | |
738 | ||
70221824 | 739 | static void |
d729566a PA |
740 | ensure_valid_thread (void) |
741 | { | |
00431a78 PA |
742 | if (inferior_ptid == null_ptid |
743 | || inferior_thread ()->state == THREAD_EXITED) | |
3e43a32a | 744 | error (_("Cannot execute this command without a live selected thread.")); |
d729566a PA |
745 | } |
746 | ||
573cda03 | 747 | /* If the user is looking at trace frames, any resumption of execution |
1777feb0 | 748 | is likely to mix up recorded and live target data. So simply |
573cda03 SS |
749 | disallow those commands. */ |
750 | ||
70221824 | 751 | static void |
573cda03 SS |
752 | ensure_not_tfind_mode (void) |
753 | { | |
754 | if (get_traceframe_number () >= 0) | |
3e43a32a | 755 | error (_("Cannot execute this command while looking at trace frames.")); |
573cda03 SS |
756 | } |
757 | ||
3d3fef6b YQ |
758 | /* Throw an error indicating the current thread is running. */ |
759 | ||
760 | static void | |
761 | error_is_running (void) | |
762 | { | |
763 | error (_("Cannot execute this command while " | |
764 | "the selected thread is running.")); | |
765 | } | |
766 | ||
767 | /* Calls error_is_running if the current thread is running. */ | |
768 | ||
769 | static void | |
770 | ensure_not_running (void) | |
771 | { | |
00431a78 | 772 | if (inferior_thread ()->state == THREAD_RUNNING) |
3d3fef6b YQ |
773 | error_is_running (); |
774 | } | |
775 | ||
77ebaa5a VP |
776 | void |
777 | continue_1 (int all_threads) | |
778 | { | |
3d488bfc | 779 | ERROR_NO_INFERIOR; |
573cda03 | 780 | ensure_not_tfind_mode (); |
3d488bfc | 781 | |
77ebaa5a VP |
782 | if (non_stop && all_threads) |
783 | { | |
784 | /* Don't error out if the current thread is running, because | |
abbb1732 | 785 | there may be other stopped threads. */ |
77ebaa5a | 786 | |
5ed8105e PA |
787 | /* Backup current thread and selected frame and restore on scope |
788 | exit. */ | |
789 | scoped_restore_current_thread restore_thread; | |
77ebaa5a VP |
790 | |
791 | iterate_over_threads (proceed_thread_callback, NULL); | |
792 | ||
3b12939d | 793 | if (current_ui->prompt_state == PROMPT_BLOCKED) |
0ff33695 PA |
794 | { |
795 | /* If all threads in the target were already running, | |
796 | proceed_thread_callback ends up never calling proceed, | |
797 | and so nothing calls this to put the inferior's terminal | |
798 | settings in effect and remove stdin from the event loop, | |
799 | which we must when running a foreground command. E.g.: | |
800 | ||
801 | (gdb) c -a& | |
802 | Continuing. | |
803 | <all threads are running now> | |
804 | (gdb) c -a | |
805 | Continuing. | |
806 | <no thread was resumed, but the inferior now owns the terminal> | |
807 | */ | |
223ffa71 | 808 | target_terminal::inferior (); |
0ff33695 | 809 | } |
77ebaa5a VP |
810 | } |
811 | else | |
812 | { | |
d729566a | 813 | ensure_valid_thread (); |
77ebaa5a | 814 | ensure_not_running (); |
70509625 | 815 | clear_proceed_status (0); |
64ce06e4 | 816 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
77ebaa5a VP |
817 | } |
818 | } | |
819 | ||
8cae4b3f | 820 | /* continue [-a] [proceed-count] [&] */ |
6339bfc4 | 821 | |
1dd5fedc | 822 | static void |
0b39b52e | 823 | continue_command (const char *args, int from_tty) |
c906108c | 824 | { |
6c4486e6 | 825 | int async_exec; |
5b6d1e4f | 826 | bool all_threads_p = false; |
6c4486e6 | 827 | |
c906108c SS |
828 | ERROR_NO_INFERIOR; |
829 | ||
1777feb0 | 830 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
831 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (args, &async_exec); |
832 | args = stripped.get (); | |
43ff13b4 | 833 | |
8cae4b3f PA |
834 | if (args != NULL) |
835 | { | |
61012eef | 836 | if (startswith (args, "-a")) |
8cae4b3f | 837 | { |
5b6d1e4f | 838 | all_threads_p = true; |
8cae4b3f PA |
839 | args += sizeof ("-a") - 1; |
840 | if (*args == '\0') | |
841 | args = NULL; | |
842 | } | |
843 | } | |
844 | ||
5b6d1e4f | 845 | if (!non_stop && all_threads_p) |
8cae4b3f PA |
846 | error (_("`-a' is meaningless in all-stop mode.")); |
847 | ||
5b6d1e4f | 848 | if (args != NULL && all_threads_p) |
3e43a32a MS |
849 | error (_("Can't resume all threads and specify " |
850 | "proceed count simultaneously.")); | |
8cae4b3f PA |
851 | |
852 | /* If we have an argument left, set proceed count of breakpoint we | |
853 | stopped at. */ | |
854 | if (args != NULL) | |
c906108c | 855 | { |
347bddb7 | 856 | bpstat bs = NULL; |
8671a17b PA |
857 | int num, stat; |
858 | int stopped = 0; | |
347bddb7 PA |
859 | struct thread_info *tp; |
860 | ||
861 | if (non_stop) | |
00431a78 | 862 | tp = inferior_thread (); |
347bddb7 PA |
863 | else |
864 | { | |
5b6d1e4f | 865 | process_stratum_target *last_target; |
347bddb7 | 866 | ptid_t last_ptid; |
347bddb7 | 867 | |
5b6d1e4f PA |
868 | get_last_target_status (&last_target, &last_ptid, nullptr); |
869 | tp = find_thread_ptid (last_target, last_ptid); | |
347bddb7 PA |
870 | } |
871 | if (tp != NULL) | |
16c381f0 | 872 | bs = tp->control.stop_bpstat; |
8671a17b PA |
873 | |
874 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
875 | if (stat > 0) | |
876 | { | |
877 | set_ignore_count (num, | |
8cae4b3f | 878 | parse_and_eval_long (args) - 1, |
8671a17b PA |
879 | from_tty); |
880 | /* set_ignore_count prints a message ending with a period. | |
881 | So print two spaces before "Continuing.". */ | |
882 | if (from_tty) | |
883 | printf_filtered (" "); | |
884 | stopped = 1; | |
885 | } | |
886 | ||
887 | if (!stopped && from_tty) | |
c906108c SS |
888 | { |
889 | printf_filtered | |
890 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
891 | } | |
c906108c SS |
892 | } |
893 | ||
3b12939d PA |
894 | ERROR_NO_INFERIOR; |
895 | ensure_not_tfind_mode (); | |
896 | ||
5b6d1e4f | 897 | if (!non_stop || !all_threads_p) |
3b12939d PA |
898 | { |
899 | ensure_valid_thread (); | |
900 | ensure_not_running (); | |
901 | } | |
902 | ||
8b88a78e | 903 | prepare_execution_command (current_top_target (), async_exec); |
3b12939d | 904 | |
c906108c | 905 | if (from_tty) |
a3f17187 | 906 | printf_filtered (_("Continuing.\n")); |
c906108c | 907 | |
5b6d1e4f | 908 | continue_1 (all_threads_p); |
c906108c SS |
909 | } |
910 | \f | |
edb3359d DJ |
911 | /* Record the starting point of a "step" or "next" command. */ |
912 | ||
913 | static void | |
914 | set_step_frame (void) | |
915 | { | |
51abb421 | 916 | frame_info *frame = get_current_frame (); |
edb3359d | 917 | |
51abb421 | 918 | symtab_and_line sal = find_frame_sal (frame); |
64ce06e4 | 919 | set_step_info (frame, sal); |
51abb421 PA |
920 | |
921 | CORE_ADDR pc = get_frame_pc (frame); | |
922 | thread_info *tp = inferior_thread (); | |
64ce06e4 | 923 | tp->control.step_start_function = find_pc_function (pc); |
edb3359d DJ |
924 | } |
925 | ||
c906108c SS |
926 | /* Step until outside of current statement. */ |
927 | ||
c906108c | 928 | static void |
0b39b52e | 929 | step_command (const char *count_string, int from_tty) |
c906108c SS |
930 | { |
931 | step_1 (0, 0, count_string); | |
932 | } | |
933 | ||
934 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
935 | ||
c906108c | 936 | static void |
0b39b52e | 937 | next_command (const char *count_string, int from_tty) |
c906108c SS |
938 | { |
939 | step_1 (1, 0, count_string); | |
940 | } | |
941 | ||
942 | /* Likewise, but step only one instruction. */ | |
943 | ||
1dd5fedc | 944 | static void |
0b39b52e | 945 | stepi_command (const char *count_string, int from_tty) |
c906108c SS |
946 | { |
947 | step_1 (0, 1, count_string); | |
948 | } | |
949 | ||
1dd5fedc | 950 | static void |
0b39b52e | 951 | nexti_command (const char *count_string, int from_tty) |
c906108c SS |
952 | { |
953 | step_1 (1, 1, count_string); | |
954 | } | |
955 | ||
243a9253 PA |
956 | /* Data for the FSM that manages the step/next/stepi/nexti |
957 | commands. */ | |
958 | ||
46e3ed7f | 959 | struct step_command_fsm : public thread_fsm |
243a9253 | 960 | { |
243a9253 PA |
961 | /* How many steps left in a "step N"-like command. */ |
962 | int count; | |
963 | ||
964 | /* If true, this is a next/nexti, otherwise a step/stepi. */ | |
965 | int skip_subroutines; | |
966 | ||
967 | /* If true, this is a stepi/nexti, otherwise a step/step. */ | |
968 | int single_inst; | |
243a9253 | 969 | |
46e3ed7f TT |
970 | explicit step_command_fsm (struct interp *cmd_interp) |
971 | : thread_fsm (cmd_interp) | |
972 | { | |
973 | } | |
243a9253 | 974 | |
46e3ed7f TT |
975 | void clean_up (struct thread_info *thread) override; |
976 | bool should_stop (struct thread_info *thread) override; | |
977 | enum async_reply_reason do_async_reply_reason () override; | |
243a9253 PA |
978 | }; |
979 | ||
243a9253 PA |
980 | /* Prepare for a step/next/etc. command. Any target resource |
981 | allocated here is undone in the FSM's clean_up method. */ | |
982 | ||
983 | static void | |
984 | step_command_fsm_prepare (struct step_command_fsm *sm, | |
985 | int skip_subroutines, int single_inst, | |
986 | int count, struct thread_info *thread) | |
987 | { | |
988 | sm->skip_subroutines = skip_subroutines; | |
989 | sm->single_inst = single_inst; | |
990 | sm->count = count; | |
243a9253 PA |
991 | |
992 | /* Leave the si command alone. */ | |
993 | if (!sm->single_inst || sm->skip_subroutines) | |
994 | set_longjmp_breakpoint (thread, get_frame_id (get_current_frame ())); | |
995 | ||
996 | thread->control.stepping_command = 1; | |
997 | } | |
998 | ||
999 | static int prepare_one_step (struct step_command_fsm *sm); | |
1000 | ||
c906108c | 1001 | static void |
0b39b52e | 1002 | step_1 (int skip_subroutines, int single_inst, const char *count_string) |
c906108c | 1003 | { |
243a9253 | 1004 | int count; |
6c4486e6 | 1005 | int async_exec; |
243a9253 PA |
1006 | struct thread_info *thr; |
1007 | struct step_command_fsm *step_sm; | |
c5aa993b | 1008 | |
c906108c | 1009 | ERROR_NO_INFERIOR; |
573cda03 | 1010 | ensure_not_tfind_mode (); |
d729566a | 1011 | ensure_valid_thread (); |
94cc34af | 1012 | ensure_not_running (); |
43ff13b4 | 1013 | |
6be9a197 TT |
1014 | gdb::unique_xmalloc_ptr<char> stripped |
1015 | = strip_bg_char (count_string, &async_exec); | |
1016 | count_string = stripped.get (); | |
c5aa993b | 1017 | |
8b88a78e | 1018 | prepare_execution_command (current_top_target (), async_exec); |
43ff13b4 | 1019 | |
bb518678 | 1020 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 1021 | |
243a9253 | 1022 | clear_proceed_status (1); |
611c83ae | 1023 | |
243a9253 PA |
1024 | /* Setup the execution command state machine to handle all the COUNT |
1025 | steps. */ | |
1026 | thr = inferior_thread (); | |
46e3ed7f TT |
1027 | step_sm = new step_command_fsm (command_interp ()); |
1028 | thr->thread_fsm = step_sm; | |
611c83ae | 1029 | |
243a9253 PA |
1030 | step_command_fsm_prepare (step_sm, skip_subroutines, |
1031 | single_inst, count, thr); | |
c2d11a7d | 1032 | |
0b333c5e PA |
1033 | /* Do only one step for now, before returning control to the event |
1034 | loop. Let the continuation figure out how many other steps we | |
1035 | need to do, and handle them one at the time, through | |
1036 | step_once. */ | |
243a9253 PA |
1037 | if (!prepare_one_step (step_sm)) |
1038 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); | |
1039 | else | |
1040 | { | |
3b12939d PA |
1041 | int proceeded; |
1042 | ||
243a9253 PA |
1043 | /* Stepped into an inline frame. Pretend that we've |
1044 | stopped. */ | |
46e3ed7f | 1045 | thr->thread_fsm->clean_up (thr); |
3b12939d PA |
1046 | proceeded = normal_stop (); |
1047 | if (!proceeded) | |
1048 | inferior_event_handler (INF_EXEC_COMPLETE, NULL); | |
1049 | all_uis_check_sync_execution_done (); | |
243a9253 | 1050 | } |
c2d11a7d | 1051 | } |
c906108c | 1052 | |
243a9253 PA |
1053 | /* Implementation of the 'should_stop' FSM method for stepping |
1054 | commands. Called after we are done with one step operation, to | |
1055 | check whether we need to step again, before we print the prompt and | |
1056 | return control to the user. If count is > 1, returns false, as we | |
1057 | will need to keep going. */ | |
6339bfc4 | 1058 | |
46e3ed7f TT |
1059 | bool |
1060 | step_command_fsm::should_stop (struct thread_info *tp) | |
c2d11a7d | 1061 | { |
243a9253 | 1062 | if (tp->control.stop_step) |
f13468d9 | 1063 | { |
243a9253 PA |
1064 | /* There are more steps to make, and we did stop due to |
1065 | ending a stepping range. Do another step. */ | |
46e3ed7f TT |
1066 | if (--count > 0) |
1067 | return prepare_one_step (this); | |
af679fd0 | 1068 | |
46e3ed7f | 1069 | set_finished (); |
f107f563 | 1070 | } |
af679fd0 | 1071 | |
46e3ed7f | 1072 | return true; |
c2d11a7d JM |
1073 | } |
1074 | ||
243a9253 | 1075 | /* Implementation of the 'clean_up' FSM method for stepping commands. */ |
37d94800 | 1076 | |
46e3ed7f TT |
1077 | void |
1078 | step_command_fsm::clean_up (struct thread_info *thread) | |
bfec99b2 | 1079 | { |
46e3ed7f | 1080 | if (!single_inst || skip_subroutines) |
8980e177 | 1081 | delete_longjmp_breakpoint (thread->global_num); |
243a9253 PA |
1082 | } |
1083 | ||
1084 | /* Implementation of the 'async_reply_reason' FSM method for stepping | |
1085 | commands. */ | |
1086 | ||
46e3ed7f TT |
1087 | enum async_reply_reason |
1088 | step_command_fsm::do_async_reply_reason () | |
243a9253 PA |
1089 | { |
1090 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
1091 | } | |
1092 | ||
1093 | /* Prepare for one step in "step N". The actual target resumption is | |
1094 | done by the caller. Return true if we're done and should thus | |
1095 | report a stop to the user. Returns false if the target needs to be | |
1096 | resumed. */ | |
c2d11a7d | 1097 | |
243a9253 PA |
1098 | static int |
1099 | prepare_one_step (struct step_command_fsm *sm) | |
1100 | { | |
1101 | if (sm->count > 0) | |
c906108c | 1102 | { |
243a9253 PA |
1103 | struct frame_info *frame = get_current_frame (); |
1104 | ||
4e1c45ea PA |
1105 | /* Don't assume THREAD is a valid thread id. It is set to -1 if |
1106 | the longjmp breakpoint was not required. Use the | |
1107 | INFERIOR_PTID thread instead, which is the same thread when | |
1108 | THREAD is set. */ | |
1109 | struct thread_info *tp = inferior_thread (); | |
abbb1732 | 1110 | |
edb3359d | 1111 | set_step_frame (); |
c906108c | 1112 | |
243a9253 | 1113 | if (!sm->single_inst) |
c906108c | 1114 | { |
1641cfcc PA |
1115 | CORE_ADDR pc; |
1116 | ||
edb3359d | 1117 | /* Step at an inlined function behaves like "down". */ |
243a9253 | 1118 | if (!sm->skip_subroutines |
00431a78 | 1119 | && inline_skipped_frames (tp)) |
edb3359d | 1120 | { |
09cee04b | 1121 | ptid_t resume_ptid; |
4a4c04f1 BE |
1122 | const char *fn = NULL; |
1123 | symtab_and_line sal; | |
1124 | struct symbol *sym; | |
09cee04b PA |
1125 | |
1126 | /* Pretend that we've ran. */ | |
1127 | resume_ptid = user_visible_resume_ptid (1); | |
5b6d1e4f | 1128 | set_running (tp->inf->process_target (), resume_ptid, true); |
09cee04b | 1129 | |
00431a78 | 1130 | step_into_inline_frame (tp); |
4a4c04f1 BE |
1131 | |
1132 | frame = get_current_frame (); | |
1133 | sal = find_frame_sal (frame); | |
1134 | sym = get_frame_function (frame); | |
1135 | ||
1136 | if (sym != NULL) | |
1137 | fn = sym->print_name (); | |
1138 | ||
1139 | if (sal.line == 0 | |
1140 | || !function_name_is_marked_for_skip (fn, sal)) | |
1141 | { | |
1142 | sm->count--; | |
1143 | return prepare_one_step (sm); | |
1144 | } | |
edb3359d DJ |
1145 | } |
1146 | ||
1641cfcc PA |
1147 | pc = get_frame_pc (frame); |
1148 | find_pc_line_pc_range (pc, | |
16c381f0 JK |
1149 | &tp->control.step_range_start, |
1150 | &tp->control.step_range_end); | |
5fbbeb29 | 1151 | |
c1e36e3e PA |
1152 | tp->control.may_range_step = 1; |
1153 | ||
5fbbeb29 | 1154 | /* If we have no line info, switch to stepi mode. */ |
16c381f0 | 1155 | if (tp->control.step_range_end == 0 && step_stop_if_no_debug) |
c1e36e3e PA |
1156 | { |
1157 | tp->control.step_range_start = tp->control.step_range_end = 1; | |
1158 | tp->control.may_range_step = 0; | |
1159 | } | |
16c381f0 | 1160 | else if (tp->control.step_range_end == 0) |
c906108c | 1161 | { |
2c02bd72 | 1162 | const char *name; |
abbb1732 | 1163 | |
1641cfcc | 1164 | if (find_pc_partial_function (pc, &name, |
16c381f0 JK |
1165 | &tp->control.step_range_start, |
1166 | &tp->control.step_range_end) == 0) | |
8a3fe4f8 | 1167 | error (_("Cannot find bounds of current function")); |
c906108c | 1168 | |
223ffa71 | 1169 | target_terminal::ours_for_output (); |
3e43a32a MS |
1170 | printf_filtered (_("Single stepping until exit from function %s," |
1171 | "\nwhich has no line number information.\n"), | |
1172 | name); | |
c906108c SS |
1173 | } |
1174 | } | |
1175 | else | |
1176 | { | |
1177 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
16c381f0 | 1178 | tp->control.step_range_start = tp->control.step_range_end = 1; |
243a9253 | 1179 | if (!sm->skip_subroutines) |
c906108c SS |
1180 | /* It is stepi. |
1181 | Don't step over function calls, not even to functions lacking | |
1182 | line numbers. */ | |
16c381f0 | 1183 | tp->control.step_over_calls = STEP_OVER_NONE; |
c906108c SS |
1184 | } |
1185 | ||
243a9253 | 1186 | if (sm->skip_subroutines) |
16c381f0 | 1187 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1188 | |
243a9253 | 1189 | return 0; |
c906108c | 1190 | } |
243a9253 PA |
1191 | |
1192 | /* Done. */ | |
46e3ed7f | 1193 | sm->set_finished (); |
243a9253 | 1194 | return 1; |
c906108c | 1195 | } |
c2d11a7d | 1196 | |
c906108c SS |
1197 | \f |
1198 | /* Continue program at specified address. */ | |
1199 | ||
1200 | static void | |
0b39b52e | 1201 | jump_command (const char *arg, int from_tty) |
c906108c | 1202 | { |
5af949e3 | 1203 | struct gdbarch *gdbarch = get_current_arch (); |
52f0bd74 | 1204 | CORE_ADDR addr; |
c906108c SS |
1205 | struct symbol *fn; |
1206 | struct symbol *sfn; | |
6c4486e6 | 1207 | int async_exec; |
c5aa993b | 1208 | |
c906108c | 1209 | ERROR_NO_INFERIOR; |
573cda03 | 1210 | ensure_not_tfind_mode (); |
d729566a | 1211 | ensure_valid_thread (); |
94cc34af | 1212 | ensure_not_running (); |
c906108c | 1213 | |
1777feb0 | 1214 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1215 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1216 | arg = stripped.get (); | |
43ff13b4 | 1217 | |
8b88a78e | 1218 | prepare_execution_command (current_top_target (), async_exec); |
43ff13b4 | 1219 | |
c906108c | 1220 | if (!arg) |
e2e0b3e5 | 1221 | error_no_arg (_("starting address")); |
c906108c | 1222 | |
6c5b2ebe PA |
1223 | std::vector<symtab_and_line> sals |
1224 | = decode_line_with_last_displayed (arg, DECODE_LINE_FUNFIRSTLINE); | |
1225 | if (sals.size () != 1) | |
1226 | error (_("Unreasonable jump request")); | |
c906108c | 1227 | |
6c5b2ebe PA |
1228 | symtab_and_line &sal = sals[0]; |
1229 | ||
c906108c | 1230 | if (sal.symtab == 0 && sal.pc == 0) |
8a3fe4f8 | 1231 | error (_("No source file has been specified.")); |
c906108c | 1232 | |
1777feb0 | 1233 | resolve_sal_pc (&sal); /* May error out. */ |
c906108c | 1234 | |
1777feb0 | 1235 | /* See if we are trying to jump to another function. */ |
c906108c SS |
1236 | fn = get_frame_function (get_current_frame ()); |
1237 | sfn = find_pc_function (sal.pc); | |
1238 | if (fn != NULL && sfn != fn) | |
1239 | { | |
9e2f0ad4 | 1240 | if (!query (_("Line %d is not in `%s'. Jump anyway? "), sal.line, |
987012b8 | 1241 | fn->print_name ())) |
c906108c | 1242 | { |
8a3fe4f8 | 1243 | error (_("Not confirmed.")); |
c906108c SS |
1244 | /* NOTREACHED */ |
1245 | } | |
1246 | } | |
1247 | ||
c5aa993b | 1248 | if (sfn != NULL) |
c906108c | 1249 | { |
253342b8 DE |
1250 | struct obj_section *section; |
1251 | ||
c906108c | 1252 | fixup_symbol_section (sfn, 0); |
08be3fe3 | 1253 | section = SYMBOL_OBJ_SECTION (symbol_objfile (sfn), sfn); |
253342b8 DE |
1254 | if (section_is_overlay (section) |
1255 | && !section_is_mapped (section)) | |
c906108c | 1256 | { |
3e43a32a MS |
1257 | if (!query (_("WARNING!!! Destination is in " |
1258 | "unmapped overlay! Jump anyway? "))) | |
c906108c | 1259 | { |
8a3fe4f8 | 1260 | error (_("Not confirmed.")); |
c906108c SS |
1261 | /* NOTREACHED */ |
1262 | } | |
1263 | } | |
1264 | } | |
1265 | ||
c906108c SS |
1266 | addr = sal.pc; |
1267 | ||
1268 | if (from_tty) | |
1269 | { | |
a3f17187 | 1270 | printf_filtered (_("Continuing at ")); |
5af949e3 | 1271 | fputs_filtered (paddress (gdbarch, addr), gdb_stdout); |
c906108c SS |
1272 | printf_filtered (".\n"); |
1273 | } | |
1274 | ||
70509625 | 1275 | clear_proceed_status (0); |
64ce06e4 | 1276 | proceed (addr, GDB_SIGNAL_0); |
c906108c | 1277 | } |
c906108c | 1278 | \f |
c906108c SS |
1279 | /* Continue program giving it specified signal. */ |
1280 | ||
1281 | static void | |
0b39b52e | 1282 | signal_command (const char *signum_exp, int from_tty) |
c906108c | 1283 | { |
2ea28649 | 1284 | enum gdb_signal oursig; |
6c4486e6 | 1285 | int async_exec; |
c906108c SS |
1286 | |
1287 | dont_repeat (); /* Too dangerous. */ | |
1288 | ERROR_NO_INFERIOR; | |
573cda03 | 1289 | ensure_not_tfind_mode (); |
d729566a | 1290 | ensure_valid_thread (); |
94cc34af | 1291 | ensure_not_running (); |
c906108c | 1292 | |
32c1e744 | 1293 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1294 | gdb::unique_xmalloc_ptr<char> stripped |
1295 | = strip_bg_char (signum_exp, &async_exec); | |
1296 | signum_exp = stripped.get (); | |
32c1e744 | 1297 | |
8b88a78e | 1298 | prepare_execution_command (current_top_target (), async_exec); |
32c1e744 | 1299 | |
c906108c | 1300 | if (!signum_exp) |
e2e0b3e5 | 1301 | error_no_arg (_("signal number")); |
c906108c SS |
1302 | |
1303 | /* It would be even slicker to make signal names be valid expressions, | |
1304 | (the type could be "enum $signal" or some such), then the user could | |
1305 | assign them to convenience variables. */ | |
2ea28649 | 1306 | oursig = gdb_signal_from_name (signum_exp); |
c906108c | 1307 | |
a493e3e2 | 1308 | if (oursig == GDB_SIGNAL_UNKNOWN) |
c906108c SS |
1309 | { |
1310 | /* No, try numeric. */ | |
bb518678 | 1311 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1312 | |
1313 | if (num == 0) | |
a493e3e2 | 1314 | oursig = GDB_SIGNAL_0; |
c906108c | 1315 | else |
2ea28649 | 1316 | oursig = gdb_signal_from_command (num); |
c906108c SS |
1317 | } |
1318 | ||
70509625 PA |
1319 | /* Look for threads other than the current that this command ends up |
1320 | resuming too (due to schedlock off), and warn if they'll get a | |
1321 | signal delivered. "signal 0" is used to suppress a previous | |
1322 | signal, but if the current thread is no longer the one that got | |
1323 | the signal, then the user is potentially suppressing the signal | |
1324 | of the wrong thread. */ | |
1325 | if (!non_stop) | |
1326 | { | |
70509625 PA |
1327 | int must_confirm = 0; |
1328 | ||
1329 | /* This indicates what will be resumed. Either a single thread, | |
1330 | a whole process, or all threads of all processes. */ | |
08036331 | 1331 | ptid_t resume_ptid = user_visible_resume_ptid (0); |
5b6d1e4f PA |
1332 | process_stratum_target *resume_target |
1333 | = user_visible_resume_target (resume_ptid); | |
70509625 | 1334 | |
5b6d1e4f PA |
1335 | thread_info *current = inferior_thread (); |
1336 | ||
1337 | for (thread_info *tp : all_non_exited_threads (resume_target, resume_ptid)) | |
70509625 | 1338 | { |
5b6d1e4f | 1339 | if (tp == current) |
70509625 | 1340 | continue; |
70509625 PA |
1341 | |
1342 | if (tp->suspend.stop_signal != GDB_SIGNAL_0 | |
1343 | && signal_pass_state (tp->suspend.stop_signal)) | |
1344 | { | |
1345 | if (!must_confirm) | |
1346 | printf_unfiltered (_("Note:\n")); | |
43792cf0 PA |
1347 | printf_unfiltered (_(" Thread %s previously stopped with signal %s, %s.\n"), |
1348 | print_thread_id (tp), | |
70509625 PA |
1349 | gdb_signal_to_name (tp->suspend.stop_signal), |
1350 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
1351 | must_confirm = 1; | |
1352 | } | |
1353 | } | |
1354 | ||
1355 | if (must_confirm | |
43792cf0 | 1356 | && !query (_("Continuing thread %s (the current thread) with specified signal will\n" |
70509625 PA |
1357 | "still deliver the signals noted above to their respective threads.\n" |
1358 | "Continue anyway? "), | |
43792cf0 | 1359 | print_thread_id (inferior_thread ()))) |
70509625 PA |
1360 | error (_("Not confirmed.")); |
1361 | } | |
1362 | ||
c906108c SS |
1363 | if (from_tty) |
1364 | { | |
a493e3e2 | 1365 | if (oursig == GDB_SIGNAL_0) |
a3f17187 | 1366 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1367 | else |
a3f17187 | 1368 | printf_filtered (_("Continuing with signal %s.\n"), |
2ea28649 | 1369 | gdb_signal_to_name (oursig)); |
c906108c SS |
1370 | } |
1371 | ||
70509625 | 1372 | clear_proceed_status (0); |
64ce06e4 | 1373 | proceed ((CORE_ADDR) -1, oursig); |
c906108c SS |
1374 | } |
1375 | ||
81219e53 DE |
1376 | /* Queue a signal to be delivered to the current thread. */ |
1377 | ||
1378 | static void | |
0b39b52e | 1379 | queue_signal_command (const char *signum_exp, int from_tty) |
81219e53 DE |
1380 | { |
1381 | enum gdb_signal oursig; | |
1382 | struct thread_info *tp; | |
1383 | ||
1384 | ERROR_NO_INFERIOR; | |
1385 | ensure_not_tfind_mode (); | |
1386 | ensure_valid_thread (); | |
1387 | ensure_not_running (); | |
1388 | ||
1389 | if (signum_exp == NULL) | |
1390 | error_no_arg (_("signal number")); | |
1391 | ||
1392 | /* It would be even slicker to make signal names be valid expressions, | |
1393 | (the type could be "enum $signal" or some such), then the user could | |
1394 | assign them to convenience variables. */ | |
1395 | oursig = gdb_signal_from_name (signum_exp); | |
1396 | ||
1397 | if (oursig == GDB_SIGNAL_UNKNOWN) | |
1398 | { | |
1399 | /* No, try numeric. */ | |
1400 | int num = parse_and_eval_long (signum_exp); | |
1401 | ||
1402 | if (num == 0) | |
1403 | oursig = GDB_SIGNAL_0; | |
1404 | else | |
1405 | oursig = gdb_signal_from_command (num); | |
1406 | } | |
1407 | ||
1408 | if (oursig != GDB_SIGNAL_0 | |
1409 | && !signal_pass_state (oursig)) | |
1410 | error (_("Signal handling set to not pass this signal to the program.")); | |
1411 | ||
1412 | tp = inferior_thread (); | |
1413 | tp->suspend.stop_signal = oursig; | |
1414 | } | |
1415 | ||
cfc31633 PA |
1416 | /* Data for the FSM that manages the until (with no argument) |
1417 | command. */ | |
1418 | ||
46e3ed7f | 1419 | struct until_next_fsm : public thread_fsm |
fa4cd53f | 1420 | { |
cfc31633 | 1421 | /* The thread that as current when the command was executed. */ |
fa4cd53f | 1422 | int thread; |
cfc31633 | 1423 | |
46e3ed7f TT |
1424 | until_next_fsm (struct interp *cmd_interp, int thread) |
1425 | : thread_fsm (cmd_interp), | |
1426 | thread (thread) | |
1427 | { | |
1428 | } | |
cfc31633 | 1429 | |
46e3ed7f TT |
1430 | bool should_stop (struct thread_info *thread) override; |
1431 | void clean_up (struct thread_info *thread) override; | |
1432 | enum async_reply_reason do_async_reply_reason () override; | |
cfc31633 PA |
1433 | }; |
1434 | ||
cfc31633 PA |
1435 | /* Implementation of the 'should_stop' FSM method for the until (with |
1436 | no arg) command. */ | |
1437 | ||
46e3ed7f TT |
1438 | bool |
1439 | until_next_fsm::should_stop (struct thread_info *tp) | |
cfc31633 | 1440 | { |
cfc31633 | 1441 | if (tp->control.stop_step) |
46e3ed7f | 1442 | set_finished (); |
cfc31633 | 1443 | |
46e3ed7f | 1444 | return true; |
cfc31633 PA |
1445 | } |
1446 | ||
1447 | /* Implementation of the 'clean_up' FSM method for the until (with no | |
1448 | arg) command. */ | |
186c406b | 1449 | |
46e3ed7f TT |
1450 | void |
1451 | until_next_fsm::clean_up (struct thread_info *thread) | |
186c406b | 1452 | { |
8980e177 | 1453 | delete_longjmp_breakpoint (thread->global_num); |
cfc31633 PA |
1454 | } |
1455 | ||
1456 | /* Implementation of the 'async_reply_reason' FSM method for the until | |
1457 | (with no arg) command. */ | |
1458 | ||
46e3ed7f TT |
1459 | enum async_reply_reason |
1460 | until_next_fsm::do_async_reply_reason () | |
cfc31633 PA |
1461 | { |
1462 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
186c406b TT |
1463 | } |
1464 | ||
c906108c SS |
1465 | /* Proceed until we reach a different source line with pc greater than |
1466 | our current one or exit the function. We skip calls in both cases. | |
1467 | ||
1468 | Note that eventually this command should probably be changed so | |
1469 | that only source lines are printed out when we hit the breakpoint | |
1470 | we set. This may involve changes to wait_for_inferior and the | |
1471 | proceed status code. */ | |
1472 | ||
c906108c | 1473 | static void |
fba45db2 | 1474 | until_next_command (int from_tty) |
c906108c SS |
1475 | { |
1476 | struct frame_info *frame; | |
1477 | CORE_ADDR pc; | |
1478 | struct symbol *func; | |
1479 | struct symtab_and_line sal; | |
4e1c45ea | 1480 | struct thread_info *tp = inferior_thread (); |
5d5658a1 | 1481 | int thread = tp->global_num; |
cfc31633 | 1482 | struct until_next_fsm *sm; |
c5aa993b | 1483 | |
70509625 | 1484 | clear_proceed_status (0); |
edb3359d | 1485 | set_step_frame (); |
c906108c SS |
1486 | |
1487 | frame = get_current_frame (); | |
1488 | ||
1489 | /* Step until either exited from this function or greater | |
1490 | than the current line (if in symbolic section) or pc (if | |
1777feb0 | 1491 | not). */ |
c906108c | 1492 | |
1c7819ef | 1493 | pc = get_frame_pc (frame); |
c906108c | 1494 | func = find_pc_function (pc); |
c5aa993b | 1495 | |
c906108c SS |
1496 | if (!func) |
1497 | { | |
7cbd4a93 | 1498 | struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (pc); |
c5aa993b | 1499 | |
7cbd4a93 | 1500 | if (msymbol.minsym == NULL) |
8a3fe4f8 | 1501 | error (_("Execution is not within a known function.")); |
c5aa993b | 1502 | |
77e371c0 | 1503 | tp->control.step_range_start = BMSYMBOL_VALUE_ADDRESS (msymbol); |
7e09a223 YQ |
1504 | /* The upper-bound of step_range is exclusive. In order to make PC |
1505 | within the range, set the step_range_end with PC + 1. */ | |
1506 | tp->control.step_range_end = pc + 1; | |
c906108c SS |
1507 | } |
1508 | else | |
1509 | { | |
1510 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1511 | |
2b1ffcfd | 1512 | tp->control.step_range_start = BLOCK_ENTRY_PC (SYMBOL_BLOCK_VALUE (func)); |
16c381f0 | 1513 | tp->control.step_range_end = sal.end; |
c906108c | 1514 | } |
c1e36e3e | 1515 | tp->control.may_range_step = 1; |
c5aa993b | 1516 | |
16c381f0 | 1517 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1518 | |
186c406b | 1519 | set_longjmp_breakpoint (tp, get_frame_id (frame)); |
5419bdae | 1520 | delete_longjmp_breakpoint_cleanup lj_deleter (thread); |
186c406b | 1521 | |
46e3ed7f TT |
1522 | sm = new until_next_fsm (command_interp (), tp->global_num); |
1523 | tp->thread_fsm = sm; | |
5419bdae | 1524 | lj_deleter.release (); |
fa4cd53f | 1525 | |
cfc31633 | 1526 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
c906108c SS |
1527 | } |
1528 | ||
c5aa993b | 1529 | static void |
0b39b52e | 1530 | until_command (const char *arg, int from_tty) |
c906108c | 1531 | { |
6c4486e6 | 1532 | int async_exec; |
43ff13b4 | 1533 | |
4247603b | 1534 | ERROR_NO_INFERIOR; |
573cda03 | 1535 | ensure_not_tfind_mode (); |
4247603b PA |
1536 | ensure_valid_thread (); |
1537 | ensure_not_running (); | |
573cda03 | 1538 | |
1777feb0 | 1539 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1540 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1541 | arg = stripped.get (); | |
43ff13b4 | 1542 | |
8b88a78e | 1543 | prepare_execution_command (current_top_target (), async_exec); |
43ff13b4 | 1544 | |
c906108c | 1545 | if (arg) |
ae66c1fc | 1546 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1547 | else |
1548 | until_next_command (from_tty); | |
1549 | } | |
ae66c1fc EZ |
1550 | |
1551 | static void | |
0b39b52e | 1552 | advance_command (const char *arg, int from_tty) |
ae66c1fc | 1553 | { |
6c4486e6 | 1554 | int async_exec; |
ae66c1fc | 1555 | |
4247603b | 1556 | ERROR_NO_INFERIOR; |
573cda03 | 1557 | ensure_not_tfind_mode (); |
4247603b PA |
1558 | ensure_valid_thread (); |
1559 | ensure_not_running (); | |
573cda03 | 1560 | |
ae66c1fc | 1561 | if (arg == NULL) |
e2e0b3e5 | 1562 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1563 | |
1564 | /* Find out whether we must run in the background. */ | |
6be9a197 TT |
1565 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1566 | arg = stripped.get (); | |
ae66c1fc | 1567 | |
8b88a78e | 1568 | prepare_execution_command (current_top_target (), async_exec); |
ae66c1fc EZ |
1569 | |
1570 | until_break_command (arg, from_tty, 1); | |
1571 | } | |
c906108c | 1572 | \f |
cc72b2a2 | 1573 | /* Return the value of the result of a function at the end of a 'finish' |
8a6c4031 JK |
1574 | command/BP. DTOR_DATA (if not NULL) can represent inferior registers |
1575 | right after an inferior call has finished. */ | |
f941662f | 1576 | |
cc72b2a2 | 1577 | struct value * |
0700e23e | 1578 | get_return_value (struct value *function, struct type *value_type) |
11cf8741 | 1579 | { |
215c69dc YQ |
1580 | regcache *stop_regs = get_current_regcache (); |
1581 | struct gdbarch *gdbarch = stop_regs->arch (); | |
44e5158b AC |
1582 | struct value *value; |
1583 | ||
f168693b | 1584 | value_type = check_typedef (value_type); |
44e5158b | 1585 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1586 | |
92ad9cd9 AC |
1587 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1588 | call, it's possible (with no help from the architecture vector) | |
1589 | to locate and return/print a "struct return" value. This is just | |
7a9dd1b2 | 1590 | a more complicated case of what is already being done in the |
92ad9cd9 AC |
1591 | inferior function call code. In fact, when inferior function |
1592 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1593 | |
6a3a010b | 1594 | switch (gdbarch_return_value (gdbarch, function, value_type, |
c055b101 | 1595 | NULL, NULL, NULL)) |
44e5158b | 1596 | { |
750eb019 AC |
1597 | case RETURN_VALUE_REGISTER_CONVENTION: |
1598 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1599 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1600 | value = allocate_value (value_type); |
215c69dc | 1601 | gdbarch_return_value (gdbarch, function, value_type, stop_regs, |
990a07ab | 1602 | value_contents_raw (value), NULL); |
750eb019 AC |
1603 | break; |
1604 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1605 | value = NULL; | |
1606 | break; | |
1607 | default: | |
e2e0b3e5 | 1608 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1609 | } |
bb472c1e | 1610 | |
cc72b2a2 KP |
1611 | return value; |
1612 | } | |
1613 | ||
243a9253 PA |
1614 | /* The captured function return value/type and its position in the |
1615 | value history. */ | |
cc72b2a2 | 1616 | |
243a9253 | 1617 | struct return_value_info |
cc72b2a2 | 1618 | { |
243a9253 PA |
1619 | /* The captured return value. May be NULL if we weren't able to |
1620 | retrieve it. See get_return_value. */ | |
1621 | struct value *value; | |
1622 | ||
1623 | /* The return type. In some cases, we'll not be able extract the | |
1624 | return value, but we always know the type. */ | |
1625 | struct type *type; | |
1626 | ||
1627 | /* If we captured a value, this is the value history index. */ | |
1628 | int value_history_index; | |
1629 | }; | |
1630 | ||
1631 | /* Helper for print_return_value. */ | |
cc72b2a2 | 1632 | |
243a9253 PA |
1633 | static void |
1634 | print_return_value_1 (struct ui_out *uiout, struct return_value_info *rv) | |
1635 | { | |
1636 | if (rv->value != NULL) | |
31db7b6c | 1637 | { |
79a45b7d TT |
1638 | struct value_print_options opts; |
1639 | ||
31db7b6c | 1640 | /* Print it. */ |
112e8700 SM |
1641 | uiout->text ("Value returned is "); |
1642 | uiout->field_fmt ("gdb-result-var", "$%d", | |
d7e74731 | 1643 | rv->value_history_index); |
112e8700 | 1644 | uiout->text (" = "); |
5d9a0608 | 1645 | get_user_print_options (&opts); |
d7e74731 | 1646 | |
000439d5 TT |
1647 | if (opts.finish_print) |
1648 | { | |
1649 | string_file stb; | |
1650 | value_print (rv->value, &stb, &opts); | |
1651 | uiout->field_stream ("return-value", stb); | |
1652 | } | |
1653 | else | |
7f6aba03 TT |
1654 | uiout->field_string ("return-value", _("<not displayed>"), |
1655 | metadata_style.style ()); | |
112e8700 | 1656 | uiout->text ("\n"); |
31db7b6c MK |
1657 | } |
1658 | else | |
1659 | { | |
2f408ecb | 1660 | std::string type_name = type_to_string (rv->type); |
112e8700 SM |
1661 | uiout->text ("Value returned has type: "); |
1662 | uiout->field_string ("return-type", type_name.c_str ()); | |
1663 | uiout->text ("."); | |
1664 | uiout->text (" Cannot determine contents\n"); | |
31db7b6c | 1665 | } |
11cf8741 JM |
1666 | } |
1667 | ||
243a9253 PA |
1668 | /* Print the result of a function at the end of a 'finish' command. |
1669 | RV points at an object representing the captured return value/type | |
1670 | and its position in the value history. */ | |
1671 | ||
1672 | void | |
1673 | print_return_value (struct ui_out *uiout, struct return_value_info *rv) | |
1674 | { | |
f097f5ad TT |
1675 | if (rv->type == NULL |
1676 | || TYPE_CODE (check_typedef (rv->type)) == TYPE_CODE_VOID) | |
243a9253 PA |
1677 | return; |
1678 | ||
a70b8144 | 1679 | try |
243a9253 PA |
1680 | { |
1681 | /* print_return_value_1 can throw an exception in some | |
1682 | circumstances. We need to catch this so that we still | |
1683 | delete the breakpoint. */ | |
1684 | print_return_value_1 (uiout, rv); | |
1685 | } | |
230d2906 | 1686 | catch (const gdb_exception &ex) |
243a9253 PA |
1687 | { |
1688 | exception_print (gdb_stdout, ex); | |
1689 | } | |
243a9253 PA |
1690 | } |
1691 | ||
1692 | /* Data for the FSM that manages the finish command. */ | |
f941662f | 1693 | |
46e3ed7f | 1694 | struct finish_command_fsm : public thread_fsm |
43ff13b4 | 1695 | { |
243a9253 PA |
1696 | /* The momentary breakpoint set at the function's return address in |
1697 | the caller. */ | |
46e3ed7f | 1698 | breakpoint_up breakpoint; |
243a9253 PA |
1699 | |
1700 | /* The function that we're stepping out of. */ | |
46e3ed7f | 1701 | struct symbol *function = nullptr; |
8a6c4031 | 1702 | |
243a9253 PA |
1703 | /* If the FSM finishes successfully, this stores the function's |
1704 | return value. */ | |
46e3ed7f | 1705 | struct return_value_info return_value_info {}; |
c5aa993b | 1706 | |
46e3ed7f TT |
1707 | explicit finish_command_fsm (struct interp *cmd_interp) |
1708 | : thread_fsm (cmd_interp) | |
1709 | { | |
1710 | } | |
243a9253 | 1711 | |
46e3ed7f TT |
1712 | bool should_stop (struct thread_info *thread) override; |
1713 | void clean_up (struct thread_info *thread) override; | |
1714 | struct return_value_info *return_value () override; | |
1715 | enum async_reply_reason do_async_reply_reason () override; | |
1716 | }; | |
347bddb7 | 1717 | |
243a9253 PA |
1718 | /* Implementation of the 'should_stop' FSM method for the finish |
1719 | commands. Detects whether the thread stepped out of the function | |
1720 | successfully, and if so, captures the function's return value and | |
1721 | marks the FSM finished. */ | |
1722 | ||
46e3ed7f TT |
1723 | bool |
1724 | finish_command_fsm::should_stop (struct thread_info *tp) | |
243a9253 | 1725 | { |
46e3ed7f | 1726 | struct return_value_info *rv = &return_value_info; |
243a9253 | 1727 | |
46e3ed7f | 1728 | if (function != NULL |
243a9253 | 1729 | && bpstat_find_breakpoint (tp->control.stop_bpstat, |
46e3ed7f | 1730 | breakpoint.get ()) != NULL) |
43ff13b4 | 1731 | { |
243a9253 | 1732 | /* We're done. */ |
46e3ed7f | 1733 | set_finished (); |
bfec99b2 | 1734 | |
46e3ed7f | 1735 | rv->type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); |
243a9253 PA |
1736 | if (rv->type == NULL) |
1737 | internal_error (__FILE__, __LINE__, | |
1738 | _("finish_command: function has no target type")); | |
f5871ec0 | 1739 | |
f097f5ad | 1740 | if (TYPE_CODE (check_typedef (rv->type)) != TYPE_CODE_VOID) |
40c549d6 | 1741 | { |
243a9253 PA |
1742 | struct value *func; |
1743 | ||
46e3ed7f | 1744 | func = read_var_value (function, NULL, get_current_frame ()); |
0700e23e | 1745 | rv->value = get_return_value (func, rv->type); |
aca20ec4 KB |
1746 | if (rv->value != NULL) |
1747 | rv->value_history_index = record_latest_value (rv->value); | |
243a9253 PA |
1748 | } |
1749 | } | |
1750 | else if (tp->control.stop_step) | |
1751 | { | |
1752 | /* Finishing from an inline frame, or reverse finishing. In | |
1753 | either case, there's no way to retrieve the return value. */ | |
46e3ed7f | 1754 | set_finished (); |
243a9253 | 1755 | } |
fa4cd53f | 1756 | |
46e3ed7f | 1757 | return true; |
243a9253 | 1758 | } |
40c549d6 | 1759 | |
243a9253 PA |
1760 | /* Implementation of the 'clean_up' FSM method for the finish |
1761 | commands. */ | |
fa4cd53f | 1762 | |
46e3ed7f TT |
1763 | void |
1764 | finish_command_fsm::clean_up (struct thread_info *thread) | |
243a9253 | 1765 | { |
46e3ed7f | 1766 | breakpoint.reset (); |
8980e177 | 1767 | delete_longjmp_breakpoint (thread->global_num); |
243a9253 | 1768 | } |
f941662f | 1769 | |
243a9253 PA |
1770 | /* Implementation of the 'return_value' FSM method for the finish |
1771 | commands. */ | |
1772 | ||
46e3ed7f TT |
1773 | struct return_value_info * |
1774 | finish_command_fsm::return_value () | |
243a9253 | 1775 | { |
46e3ed7f | 1776 | return &return_value_info; |
43ff13b4 JM |
1777 | } |
1778 | ||
243a9253 PA |
1779 | /* Implementation of the 'async_reply_reason' FSM method for the |
1780 | finish commands. */ | |
1781 | ||
46e3ed7f TT |
1782 | enum async_reply_reason |
1783 | finish_command_fsm::do_async_reply_reason () | |
604ead4a | 1784 | { |
243a9253 PA |
1785 | if (execution_direction == EXEC_REVERSE) |
1786 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
1787 | else | |
1788 | return EXEC_ASYNC_FUNCTION_FINISHED; | |
604ead4a PA |
1789 | } |
1790 | ||
b2175913 MS |
1791 | /* finish_backward -- helper function for finish_command. */ |
1792 | ||
1793 | static void | |
243a9253 | 1794 | finish_backward (struct finish_command_fsm *sm) |
b2175913 MS |
1795 | { |
1796 | struct symtab_and_line sal; | |
1797 | struct thread_info *tp = inferior_thread (); | |
1c7819ef | 1798 | CORE_ADDR pc; |
b2175913 | 1799 | CORE_ADDR func_addr; |
b2175913 | 1800 | |
1c7819ef PA |
1801 | pc = get_frame_pc (get_current_frame ()); |
1802 | ||
1803 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL) == 0) | |
1f267ae3 | 1804 | error (_("Cannot find bounds of current function")); |
b2175913 MS |
1805 | |
1806 | sal = find_pc_line (func_addr, 0); | |
1807 | ||
9da8c2a0 | 1808 | tp->control.proceed_to_finish = 1; |
b2175913 MS |
1809 | /* Special case: if we're sitting at the function entry point, |
1810 | then all we need to do is take a reverse singlestep. We | |
1811 | don't need to set a breakpoint, and indeed it would do us | |
1812 | no good to do so. | |
1813 | ||
1814 | Note that this can only happen at frame #0, since there's | |
1815 | no way that a function up the stack can have a return address | |
1816 | that's equal to its entry point. */ | |
1817 | ||
1c7819ef | 1818 | if (sal.pc != pc) |
b2175913 | 1819 | { |
a6d9a66e UW |
1820 | struct frame_info *frame = get_selected_frame (NULL); |
1821 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
9da8c2a0 PA |
1822 | |
1823 | /* Set a step-resume at the function's entry point. Once that's | |
1824 | hit, we'll do one more step backwards. */ | |
51abb421 | 1825 | symtab_and_line sr_sal; |
9da8c2a0 PA |
1826 | sr_sal.pc = sal.pc; |
1827 | sr_sal.pspace = get_frame_program_space (frame); | |
1828 | insert_step_resume_breakpoint_at_sal (gdbarch, | |
1829 | sr_sal, null_frame_id); | |
a6d9a66e | 1830 | |
64ce06e4 | 1831 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 MS |
1832 | } |
1833 | else | |
b2175913 | 1834 | { |
9da8c2a0 PA |
1835 | /* We're almost there -- we just need to back up by one more |
1836 | single-step. */ | |
16c381f0 | 1837 | tp->control.step_range_start = tp->control.step_range_end = 1; |
64ce06e4 | 1838 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 | 1839 | } |
b2175913 MS |
1840 | } |
1841 | ||
243a9253 PA |
1842 | /* finish_forward -- helper function for finish_command. FRAME is the |
1843 | frame that called the function we're about to step out of. */ | |
b2175913 MS |
1844 | |
1845 | static void | |
243a9253 | 1846 | finish_forward (struct finish_command_fsm *sm, struct frame_info *frame) |
b2175913 | 1847 | { |
def166f6 | 1848 | struct frame_id frame_id = get_frame_id (frame); |
a6d9a66e | 1849 | struct gdbarch *gdbarch = get_frame_arch (frame); |
b2175913 MS |
1850 | struct symtab_and_line sal; |
1851 | struct thread_info *tp = inferior_thread (); | |
b2175913 MS |
1852 | |
1853 | sal = find_pc_line (get_frame_pc (frame), 0); | |
1854 | sal.pc = get_frame_pc (frame); | |
1855 | ||
243a9253 PA |
1856 | sm->breakpoint = set_momentary_breakpoint (gdbarch, sal, |
1857 | get_stack_frame_id (frame), | |
46e3ed7f | 1858 | bp_finish); |
b2175913 | 1859 | |
c70a6932 JK |
1860 | /* set_momentary_breakpoint invalidates FRAME. */ |
1861 | frame = NULL; | |
1862 | ||
def166f6 | 1863 | set_longjmp_breakpoint (tp, frame_id); |
186c406b | 1864 | |
46c03469 | 1865 | /* We want to print return value, please... */ |
16c381f0 | 1866 | tp->control.proceed_to_finish = 1; |
b2175913 | 1867 | |
243a9253 | 1868 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 MS |
1869 | } |
1870 | ||
e3b5daf9 MM |
1871 | /* Skip frames for "finish". */ |
1872 | ||
1873 | static struct frame_info * | |
1874 | skip_finish_frames (struct frame_info *frame) | |
1875 | { | |
1876 | struct frame_info *start; | |
1877 | ||
1878 | do | |
1879 | { | |
1880 | start = frame; | |
1881 | ||
1882 | frame = skip_tailcall_frames (frame); | |
1883 | if (frame == NULL) | |
1884 | break; | |
1885 | ||
1886 | frame = skip_unwritable_frames (frame); | |
1887 | if (frame == NULL) | |
1888 | break; | |
1889 | } | |
1890 | while (start != frame); | |
1891 | ||
1892 | return frame; | |
1893 | } | |
1894 | ||
f941662f MK |
1895 | /* "finish": Set a temporary breakpoint at the place the selected |
1896 | frame will return to, then continue. */ | |
c906108c SS |
1897 | |
1898 | static void | |
0b39b52e | 1899 | finish_command (const char *arg, int from_tty) |
c906108c | 1900 | { |
52f0bd74 | 1901 | struct frame_info *frame; |
6c4486e6 | 1902 | int async_exec; |
243a9253 PA |
1903 | struct finish_command_fsm *sm; |
1904 | struct thread_info *tp; | |
43ff13b4 | 1905 | |
4247603b | 1906 | ERROR_NO_INFERIOR; |
573cda03 | 1907 | ensure_not_tfind_mode (); |
4247603b PA |
1908 | ensure_valid_thread (); |
1909 | ensure_not_running (); | |
573cda03 | 1910 | |
f941662f | 1911 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1912 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1913 | arg = stripped.get (); | |
43ff13b4 | 1914 | |
8b88a78e | 1915 | prepare_execution_command (current_top_target (), async_exec); |
c906108c SS |
1916 | |
1917 | if (arg) | |
8a3fe4f8 | 1918 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1919 | |
206415a3 | 1920 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 1921 | if (frame == 0) |
8a3fe4f8 | 1922 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c | 1923 | |
70509625 | 1924 | clear_proceed_status (0); |
c906108c | 1925 | |
243a9253 PA |
1926 | tp = inferior_thread (); |
1927 | ||
46e3ed7f | 1928 | sm = new finish_command_fsm (command_interp ()); |
243a9253 | 1929 | |
46e3ed7f | 1930 | tp->thread_fsm = sm; |
243a9253 | 1931 | |
edb3359d | 1932 | /* Finishing from an inline frame is completely different. We don't |
243a9253 | 1933 | try to show the "return value" - no way to locate it. */ |
edb3359d DJ |
1934 | if (get_frame_type (get_selected_frame (_("No selected frame."))) |
1935 | == INLINE_FRAME) | |
1936 | { | |
1937 | /* Claim we are stepping in the calling frame. An empty step | |
1938 | range means that we will stop once we aren't in a function | |
1939 | called by that frame. We don't use the magic "1" value for | |
1940 | step_range_end, because then infrun will think this is nexti, | |
1941 | and not step over the rest of this inlined function call. */ | |
51abb421 | 1942 | set_step_info (frame, {}); |
16c381f0 JK |
1943 | tp->control.step_range_start = get_frame_pc (frame); |
1944 | tp->control.step_range_end = tp->control.step_range_start; | |
1945 | tp->control.step_over_calls = STEP_OVER_ALL; | |
edb3359d DJ |
1946 | |
1947 | /* Print info on the selected frame, including level number but not | |
1948 | source. */ | |
1949 | if (from_tty) | |
1950 | { | |
1951 | printf_filtered (_("Run till exit from ")); | |
08d72866 | 1952 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
edb3359d DJ |
1953 | } |
1954 | ||
64ce06e4 | 1955 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
edb3359d DJ |
1956 | return; |
1957 | } | |
1958 | ||
c906108c SS |
1959 | /* Find the function we will return from. */ |
1960 | ||
243a9253 | 1961 | sm->function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 1962 | |
f941662f MK |
1963 | /* Print info on the selected frame, including level number but not |
1964 | source. */ | |
c906108c SS |
1965 | if (from_tty) |
1966 | { | |
b2175913 MS |
1967 | if (execution_direction == EXEC_REVERSE) |
1968 | printf_filtered (_("Run back to call of ")); | |
1969 | else | |
743649fd | 1970 | { |
243a9253 | 1971 | if (sm->function != NULL && TYPE_NO_RETURN (sm->function->type) |
743649fd MW |
1972 | && !query (_("warning: Function %s does not return normally.\n" |
1973 | "Try to finish anyway? "), | |
987012b8 | 1974 | sm->function->print_name ())) |
743649fd MW |
1975 | error (_("Not confirmed.")); |
1976 | printf_filtered (_("Run till exit from ")); | |
1977 | } | |
b2175913 | 1978 | |
08d72866 | 1979 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
c906108c SS |
1980 | } |
1981 | ||
b2175913 | 1982 | if (execution_direction == EXEC_REVERSE) |
243a9253 | 1983 | finish_backward (sm); |
b2175913 | 1984 | else |
33b4777c | 1985 | { |
e3b5daf9 | 1986 | frame = skip_finish_frames (frame); |
7eb89530 | 1987 | |
33b4777c MM |
1988 | if (frame == NULL) |
1989 | error (_("Cannot find the caller frame.")); | |
1990 | ||
1991 | finish_forward (sm, frame); | |
1992 | } | |
c906108c SS |
1993 | } |
1994 | \f | |
f941662f | 1995 | |
c906108c | 1996 | static void |
1d12d88f | 1997 | info_program_command (const char *args, int from_tty) |
c906108c | 1998 | { |
347bddb7 PA |
1999 | bpstat bs; |
2000 | int num, stat; | |
347bddb7 | 2001 | ptid_t ptid; |
5b6d1e4f | 2002 | process_stratum_target *proc_target; |
c5aa993b | 2003 | |
c906108c SS |
2004 | if (!target_has_execution) |
2005 | { | |
a3f17187 | 2006 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
2007 | return; |
2008 | } | |
2009 | ||
347bddb7 | 2010 | if (non_stop) |
5b6d1e4f PA |
2011 | { |
2012 | ptid = inferior_ptid; | |
2013 | proc_target = current_inferior ()->process_target (); | |
2014 | } | |
347bddb7 | 2015 | else |
5b6d1e4f | 2016 | get_last_target_status (&proc_target, &ptid, nullptr); |
347bddb7 | 2017 | |
9e7f3bbb | 2018 | if (ptid == null_ptid || ptid == minus_one_ptid) |
00431a78 PA |
2019 | error (_("No selected thread.")); |
2020 | ||
5b6d1e4f | 2021 | thread_info *tp = find_thread_ptid (proc_target, ptid); |
00431a78 PA |
2022 | |
2023 | if (tp->state == THREAD_EXITED) | |
347bddb7 | 2024 | error (_("Invalid selected thread.")); |
00431a78 | 2025 | else if (tp->state == THREAD_RUNNING) |
347bddb7 PA |
2026 | error (_("Selected thread is running.")); |
2027 | ||
16c381f0 | 2028 | bs = tp->control.stop_bpstat; |
347bddb7 PA |
2029 | stat = bpstat_num (&bs, &num); |
2030 | ||
c906108c | 2031 | target_files_info (); |
5af949e3 | 2032 | printf_filtered (_("Program stopped at %s.\n"), |
f2ffa92b | 2033 | paddress (target_gdbarch (), tp->suspend.stop_pc)); |
16c381f0 | 2034 | if (tp->control.stop_step) |
a3f17187 | 2035 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 2036 | else if (stat != 0) |
c906108c SS |
2037 | { |
2038 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 2039 | isn't as strange as it seems. */ |
8671a17b | 2040 | while (stat != 0) |
c906108c | 2041 | { |
8671a17b | 2042 | if (stat < 0) |
c906108c | 2043 | { |
3e43a32a MS |
2044 | printf_filtered (_("It stopped at a breakpoint " |
2045 | "that has since been deleted.\n")); | |
c906108c SS |
2046 | } |
2047 | else | |
a3f17187 | 2048 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 2049 | stat = bpstat_num (&bs, &num); |
c906108c SS |
2050 | } |
2051 | } | |
a493e3e2 | 2052 | else if (tp->suspend.stop_signal != GDB_SIGNAL_0) |
c906108c | 2053 | { |
a3f17187 | 2054 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
2ea28649 PA |
2055 | gdb_signal_to_name (tp->suspend.stop_signal), |
2056 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
c906108c SS |
2057 | } |
2058 | ||
0d41ba00 | 2059 | if (from_tty) |
c906108c | 2060 | { |
3e43a32a MS |
2061 | printf_filtered (_("Type \"info stack\" or \"info " |
2062 | "registers\" for more information.\n")); | |
c906108c SS |
2063 | } |
2064 | } | |
2065 | \f | |
2066 | static void | |
69f476a3 | 2067 | environment_info (const char *var, int from_tty) |
c906108c SS |
2068 | { |
2069 | if (var) | |
2070 | { | |
9a6c7d9c | 2071 | const char *val = current_inferior ()->environment.get (var); |
abbb1732 | 2072 | |
c906108c SS |
2073 | if (val) |
2074 | { | |
2075 | puts_filtered (var); | |
2076 | puts_filtered (" = "); | |
2077 | puts_filtered (val); | |
2078 | puts_filtered ("\n"); | |
2079 | } | |
2080 | else | |
2081 | { | |
2082 | puts_filtered ("Environment variable \""); | |
2083 | puts_filtered (var); | |
2084 | puts_filtered ("\" not defined.\n"); | |
2085 | } | |
2086 | } | |
2087 | else | |
2088 | { | |
9a6c7d9c | 2089 | char **envp = current_inferior ()->environment.envp (); |
abbb1732 | 2090 | |
9a6c7d9c | 2091 | for (int idx = 0; envp[idx] != NULL; ++idx) |
c906108c | 2092 | { |
9a6c7d9c | 2093 | puts_filtered (envp[idx]); |
c906108c SS |
2094 | puts_filtered ("\n"); |
2095 | } | |
2096 | } | |
2097 | } | |
2098 | ||
2099 | static void | |
69f476a3 | 2100 | set_environment_command (const char *arg, int from_tty) |
c906108c | 2101 | { |
69f476a3 | 2102 | const char *p, *val; |
c906108c SS |
2103 | int nullset = 0; |
2104 | ||
2105 | if (arg == 0) | |
e2e0b3e5 | 2106 | error_no_arg (_("environment variable and value")); |
c906108c | 2107 | |
85102364 | 2108 | /* Find separation between variable name and value. */ |
c906108c SS |
2109 | p = (char *) strchr (arg, '='); |
2110 | val = (char *) strchr (arg, ' '); | |
2111 | ||
2112 | if (p != 0 && val != 0) | |
2113 | { | |
2114 | /* We have both a space and an equals. If the space is before the | |
c5aa993b | 2115 | equals, walk forward over the spaces til we see a nonspace |
1777feb0 | 2116 | (possibly the equals). */ |
c906108c SS |
2117 | if (p > val) |
2118 | while (*val == ' ') | |
2119 | val++; | |
2120 | ||
2121 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 2122 | take the char following the spaces. */ |
c906108c SS |
2123 | if (p > val) |
2124 | p = val - 1; | |
2125 | } | |
2126 | else if (val != 0 && p == 0) | |
2127 | p = val; | |
2128 | ||
2129 | if (p == arg) | |
e2e0b3e5 | 2130 | error_no_arg (_("environment variable to set")); |
c906108c SS |
2131 | |
2132 | if (p == 0 || p[1] == 0) | |
2133 | { | |
2134 | nullset = 1; | |
2135 | if (p == 0) | |
1777feb0 | 2136 | p = arg + strlen (arg); /* So that savestring below will work. */ |
c906108c SS |
2137 | } |
2138 | else | |
2139 | { | |
1777feb0 | 2140 | /* Not setting variable value to null. */ |
c906108c SS |
2141 | val = p + 1; |
2142 | while (*val == ' ' || *val == '\t') | |
2143 | val++; | |
2144 | } | |
2145 | ||
c5aa993b JM |
2146 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
2147 | p--; | |
c906108c | 2148 | |
69f476a3 | 2149 | std::string var (arg, p - arg); |
c906108c SS |
2150 | if (nullset) |
2151 | { | |
3e43a32a MS |
2152 | printf_filtered (_("Setting environment variable " |
2153 | "\"%s\" to null value.\n"), | |
69f476a3 TT |
2154 | var.c_str ()); |
2155 | current_inferior ()->environment.set (var.c_str (), ""); | |
c906108c SS |
2156 | } |
2157 | else | |
69f476a3 | 2158 | current_inferior ()->environment.set (var.c_str (), val); |
c906108c SS |
2159 | } |
2160 | ||
2161 | static void | |
69f476a3 | 2162 | unset_environment_command (const char *var, int from_tty) |
c906108c SS |
2163 | { |
2164 | if (var == 0) | |
2165 | { | |
2166 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 2167 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 2168 | if (!from_tty || query (_("Delete all environment variables? "))) |
206726fb | 2169 | current_inferior ()->environment.clear (); |
c906108c SS |
2170 | } |
2171 | else | |
9a6c7d9c | 2172 | current_inferior ()->environment.unset (var); |
c906108c SS |
2173 | } |
2174 | ||
1777feb0 | 2175 | /* Handle the execution path (PATH variable). */ |
c906108c SS |
2176 | |
2177 | static const char path_var_name[] = "PATH"; | |
2178 | ||
c906108c | 2179 | static void |
69f476a3 | 2180 | path_info (const char *args, int from_tty) |
c906108c SS |
2181 | { |
2182 | puts_filtered ("Executable and object file path: "); | |
9a6c7d9c | 2183 | puts_filtered (current_inferior ()->environment.get (path_var_name)); |
c906108c SS |
2184 | puts_filtered ("\n"); |
2185 | } | |
2186 | ||
2187 | /* Add zero or more directories to the front of the execution path. */ | |
2188 | ||
2189 | static void | |
0b39b52e | 2190 | path_command (const char *dirname, int from_tty) |
c906108c SS |
2191 | { |
2192 | char *exec_path; | |
a121b7c1 | 2193 | const char *env; |
abbb1732 | 2194 | |
c906108c | 2195 | dont_repeat (); |
9a6c7d9c | 2196 | env = current_inferior ()->environment.get (path_var_name); |
1777feb0 | 2197 | /* Can be null if path is not set. */ |
c906108c SS |
2198 | if (!env) |
2199 | env = ""; | |
4fcf66da | 2200 | exec_path = xstrdup (env); |
c906108c | 2201 | mod_path (dirname, &exec_path); |
9a6c7d9c | 2202 | current_inferior ()->environment.set (path_var_name, exec_path); |
b8c9b27d | 2203 | xfree (exec_path); |
c906108c | 2204 | if (from_tty) |
cafb3438 | 2205 | path_info (NULL, from_tty); |
c906108c | 2206 | } |
c906108c | 2207 | \f |
c5aa993b | 2208 | |
e813d34a RK |
2209 | static void |
2210 | pad_to_column (string_file &stream, int col) | |
2211 | { | |
2212 | /* At least one space must be printed to separate columns. */ | |
2213 | stream.putc (' '); | |
2214 | const int size = stream.size (); | |
2215 | if (size < col) | |
2216 | stream.puts (n_spaces (col - size)); | |
2217 | } | |
2218 | ||
1292279a PA |
2219 | /* Print out the register NAME with value VAL, to FILE, in the default |
2220 | fashion. */ | |
2221 | ||
2222 | static void | |
2223 | default_print_one_register_info (struct ui_file *file, | |
2224 | const char *name, | |
2225 | struct value *val) | |
2226 | { | |
2227 | struct type *regtype = value_type (val); | |
f69d9aef | 2228 | int print_raw_format; |
e813d34a RK |
2229 | string_file format_stream; |
2230 | enum tab_stops | |
2231 | { | |
2232 | value_column_1 = 15, | |
2233 | /* Give enough room for "0x", 16 hex digits and two spaces in | |
2234 | preceding column. */ | |
2235 | value_column_2 = value_column_1 + 2 + 16 + 2, | |
2236 | }; | |
1292279a | 2237 | |
e813d34a RK |
2238 | format_stream.puts (name); |
2239 | pad_to_column (format_stream, value_column_1); | |
1292279a | 2240 | |
f69d9aef AB |
2241 | print_raw_format = (value_entirely_available (val) |
2242 | && !value_optimized_out (val)); | |
1292279a PA |
2243 | |
2244 | /* If virtual format is floating, print it that way, and in raw | |
2245 | hex. */ | |
2246 | if (TYPE_CODE (regtype) == TYPE_CODE_FLT | |
2247 | || TYPE_CODE (regtype) == TYPE_CODE_DECFLOAT) | |
2248 | { | |
1292279a PA |
2249 | struct value_print_options opts; |
2250 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
34877895 | 2251 | enum bfd_endian byte_order = type_byte_order (regtype); |
1292279a PA |
2252 | |
2253 | get_user_print_options (&opts); | |
2254 | opts.deref_ref = 1; | |
2255 | ||
2256 | val_print (regtype, | |
1292279a | 2257 | value_embedded_offset (val), 0, |
e813d34a | 2258 | &format_stream, 0, val, &opts, current_language); |
1292279a | 2259 | |
f69d9aef AB |
2260 | if (print_raw_format) |
2261 | { | |
e813d34a RK |
2262 | pad_to_column (format_stream, value_column_2); |
2263 | format_stream.puts ("(raw "); | |
2264 | print_hex_chars (&format_stream, valaddr, TYPE_LENGTH (regtype), | |
2265 | byte_order, true); | |
2266 | format_stream.putc (')'); | |
f69d9aef | 2267 | } |
1292279a PA |
2268 | } |
2269 | else | |
2270 | { | |
2271 | struct value_print_options opts; | |
2272 | ||
2273 | /* Print the register in hex. */ | |
2274 | get_formatted_print_options (&opts, 'x'); | |
2275 | opts.deref_ref = 1; | |
2276 | val_print (regtype, | |
1292279a | 2277 | value_embedded_offset (val), 0, |
e813d34a | 2278 | &format_stream, 0, val, &opts, current_language); |
1292279a PA |
2279 | /* If not a vector register, print it also according to its |
2280 | natural format. */ | |
f69d9aef | 2281 | if (print_raw_format && TYPE_VECTOR (regtype) == 0) |
1292279a | 2282 | { |
e813d34a | 2283 | pad_to_column (format_stream, value_column_2); |
1292279a PA |
2284 | get_user_print_options (&opts); |
2285 | opts.deref_ref = 1; | |
1292279a | 2286 | val_print (regtype, |
1292279a | 2287 | value_embedded_offset (val), 0, |
e813d34a | 2288 | &format_stream, 0, val, &opts, current_language); |
1292279a PA |
2289 | } |
2290 | } | |
2291 | ||
e813d34a | 2292 | fputs_filtered (format_stream.c_str (), file); |
1292279a PA |
2293 | fprintf_filtered (file, "\n"); |
2294 | } | |
2295 | ||
1777feb0 | 2296 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
2297 | registers (print_all == 1) or all non-float and non-vector |
2298 | registers (print_all == 0). | |
c906108c SS |
2299 | |
2300 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
2301 | register(s) one per line is good enough. If a different format is |
2302 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
2303 | regs), or there is an existing convention for showing all the | |
2304 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
2305 | provide that format. */ | |
c906108c | 2306 | |
666e11c5 | 2307 | void |
0ab7a791 AC |
2308 | default_print_registers_info (struct gdbarch *gdbarch, |
2309 | struct ui_file *file, | |
2310 | struct frame_info *frame, | |
2311 | int regnum, int print_all) | |
c906108c | 2312 | { |
0ab7a791 | 2313 | int i; |
f6efe3f8 | 2314 | const int numregs = gdbarch_num_cooked_regs (gdbarch); |
0ab7a791 | 2315 | |
c906108c SS |
2316 | for (i = 0; i < numregs; i++) |
2317 | { | |
4782dc19 AC |
2318 | /* Decide between printing all regs, non-float / vector regs, or |
2319 | specific reg. */ | |
c5aa993b JM |
2320 | if (regnum == -1) |
2321 | { | |
f9418c0f | 2322 | if (print_all) |
4782dc19 | 2323 | { |
f9418c0f | 2324 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 2325 | continue; |
f9418c0f AC |
2326 | } |
2327 | else | |
2328 | { | |
2329 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
2330 | continue; |
2331 | } | |
c5aa993b JM |
2332 | } |
2333 | else | |
2334 | { | |
2335 | if (i != regnum) | |
2336 | continue; | |
2337 | } | |
c906108c SS |
2338 | |
2339 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 2340 | processor, so don't display anything. */ |
a4bd449d UW |
2341 | if (gdbarch_register_name (gdbarch, i) == NULL |
2342 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
2343 | continue; |
2344 | ||
1292279a PA |
2345 | default_print_one_register_info (file, |
2346 | gdbarch_register_name (gdbarch, i), | |
901461f8 | 2347 | value_of_register (i, frame)); |
c906108c SS |
2348 | } |
2349 | } | |
c906108c | 2350 | |
c906108c | 2351 | void |
1d12d88f | 2352 | registers_info (const char *addr_exp, int fpregs) |
c906108c | 2353 | { |
206415a3 | 2354 | struct frame_info *frame; |
a4bd449d | 2355 | struct gdbarch *gdbarch; |
c906108c SS |
2356 | |
2357 | if (!target_has_registers) | |
8a3fe4f8 | 2358 | error (_("The program has no registers now.")); |
206415a3 | 2359 | frame = get_selected_frame (NULL); |
a4bd449d | 2360 | gdbarch = get_frame_arch (frame); |
c906108c SS |
2361 | |
2362 | if (!addr_exp) | |
2363 | { | |
a4bd449d | 2364 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 2365 | frame, -1, fpregs); |
c906108c SS |
2366 | return; |
2367 | } | |
2368 | ||
f9418c0f | 2369 | while (*addr_exp != '\0') |
c5aa993b | 2370 | { |
1d12d88f | 2371 | const char *start; |
f9418c0f | 2372 | const char *end; |
c906108c | 2373 | |
529480d0 KS |
2374 | /* Skip leading white space. */ |
2375 | addr_exp = skip_spaces (addr_exp); | |
c906108c | 2376 | |
f9418c0f AC |
2377 | /* Discard any leading ``$''. Check that there is something |
2378 | resembling a register following it. */ | |
2379 | if (addr_exp[0] == '$') | |
2380 | addr_exp++; | |
2381 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 2382 | error (_("Missing register name")); |
c906108c | 2383 | |
f9418c0f AC |
2384 | /* Find the start/end of this register name/num/group. */ |
2385 | start = addr_exp; | |
2386 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
2387 | addr_exp++; | |
2388 | end = addr_exp; | |
ad842144 | 2389 | |
f9418c0f AC |
2390 | /* Figure out what we've found and display it. */ |
2391 | ||
2392 | /* A register name? */ | |
2393 | { | |
029a67e4 | 2394 | int regnum = user_reg_map_name_to_regnum (gdbarch, start, end - start); |
abbb1732 | 2395 | |
f9418c0f AC |
2396 | if (regnum >= 0) |
2397 | { | |
ad842144 MR |
2398 | /* User registers lie completely outside of the range of |
2399 | normal registers. Catch them early so that the target | |
2400 | never sees them. */ | |
f6efe3f8 | 2401 | if (regnum >= gdbarch_num_cooked_regs (gdbarch)) |
ad842144 | 2402 | { |
1292279a PA |
2403 | struct value *regval = value_of_user_reg (regnum, frame); |
2404 | const char *regname = user_reg_map_regnum_to_name (gdbarch, | |
2405 | regnum); | |
2406 | ||
2407 | /* Print in the same fashion | |
2408 | gdbarch_print_registers_info's default | |
2409 | implementation prints. */ | |
2410 | default_print_one_register_info (gdb_stdout, | |
2411 | regname, | |
2412 | regval); | |
ad842144 MR |
2413 | } |
2414 | else | |
2415 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
2416 | frame, regnum, fpregs); | |
f9418c0f AC |
2417 | continue; |
2418 | } | |
2419 | } | |
ad842144 | 2420 | |
f9418c0f AC |
2421 | /* A register group? */ |
2422 | { | |
6c7d17ba | 2423 | struct reggroup *group; |
abbb1732 | 2424 | |
a4bd449d | 2425 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 2426 | group != NULL; |
a4bd449d | 2427 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
2428 | { |
2429 | /* Don't bother with a length check. Should the user | |
2430 | enter a short register group name, go with the first | |
2431 | group that matches. */ | |
6c7d17ba | 2432 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
2433 | break; |
2434 | } | |
6c7d17ba | 2435 | if (group != NULL) |
f9418c0f AC |
2436 | { |
2437 | int regnum; | |
abbb1732 | 2438 | |
f57d151a | 2439 | for (regnum = 0; |
f6efe3f8 | 2440 | regnum < gdbarch_num_cooked_regs (gdbarch); |
f57d151a | 2441 | regnum++) |
f9418c0f | 2442 | { |
a4bd449d UW |
2443 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
2444 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 2445 | gdb_stdout, frame, |
f9418c0f AC |
2446 | regnum, fpregs); |
2447 | } | |
2448 | continue; | |
2449 | } | |
2450 | } | |
c906108c | 2451 | |
f9418c0f | 2452 | /* Nothing matched. */ |
8a3fe4f8 | 2453 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 2454 | } |
c906108c SS |
2455 | } |
2456 | ||
1dd5fedc | 2457 | static void |
1d12d88f | 2458 | info_all_registers_command (const char *addr_exp, int from_tty) |
c906108c SS |
2459 | { |
2460 | registers_info (addr_exp, 1); | |
2461 | } | |
2462 | ||
a58dd373 | 2463 | static void |
1d12d88f | 2464 | info_registers_command (const char *addr_exp, int from_tty) |
c906108c SS |
2465 | { |
2466 | registers_info (addr_exp, 0); | |
2467 | } | |
e76f1f2e AC |
2468 | |
2469 | static void | |
d80b854b | 2470 | print_vector_info (struct ui_file *file, |
e76f1f2e AC |
2471 | struct frame_info *frame, const char *args) |
2472 | { | |
d80b854b UW |
2473 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2474 | ||
e76f1f2e AC |
2475 | if (gdbarch_print_vector_info_p (gdbarch)) |
2476 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
2477 | else | |
2478 | { | |
2479 | int regnum; | |
2480 | int printed_something = 0; | |
ab4327e0 | 2481 | |
f6efe3f8 | 2482 | for (regnum = 0; regnum < gdbarch_num_cooked_regs (gdbarch); regnum++) |
e76f1f2e | 2483 | { |
f9418c0f | 2484 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
2485 | { |
2486 | printed_something = 1; | |
e76f1f2e | 2487 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
2488 | } |
2489 | } | |
2490 | if (!printed_something) | |
2491 | fprintf_filtered (file, "No vector information\n"); | |
2492 | } | |
2493 | } | |
2494 | ||
2495 | static void | |
1d12d88f | 2496 | info_vector_command (const char *args, int from_tty) |
e76f1f2e | 2497 | { |
206415a3 DJ |
2498 | if (!target_has_registers) |
2499 | error (_("The program has no registers now.")); | |
2500 | ||
d80b854b | 2501 | print_vector_info (gdb_stdout, get_selected_frame (NULL), args); |
e76f1f2e | 2502 | } |
c906108c | 2503 | \f |
5fd62852 PA |
2504 | /* Kill the inferior process. Make us have no inferior. */ |
2505 | ||
2506 | static void | |
981a3fb3 | 2507 | kill_command (const char *arg, int from_tty) |
5fd62852 PA |
2508 | { |
2509 | /* FIXME: This should not really be inferior_ptid (or target_has_execution). | |
2510 | It should be a distinct flag that indicates that a target is active, cuz | |
1777feb0 | 2511 | some targets don't have processes! */ |
5fd62852 | 2512 | |
d7e15655 | 2513 | if (inferior_ptid == null_ptid) |
5fd62852 PA |
2514 | error (_("The program is not being run.")); |
2515 | if (!query (_("Kill the program being debugged? "))) | |
2516 | error (_("Not confirmed.")); | |
f67c0c91 | 2517 | |
249b5733 PA |
2518 | int pid = current_inferior ()->pid; |
2519 | /* Save the pid as a string before killing the inferior, since that | |
2520 | may unpush the current target, and we need the string after. */ | |
f2907e49 | 2521 | std::string pid_str = target_pid_to_str (ptid_t (pid)); |
f67c0c91 SDJ |
2522 | int infnum = current_inferior ()->num; |
2523 | ||
5fd62852 PA |
2524 | target_kill (); |
2525 | ||
f67c0c91 | 2526 | if (print_inferior_events) |
249b5733 | 2527 | printf_unfiltered (_("[Inferior %d (%s) killed]\n"), |
f67c0c91 SDJ |
2528 | infnum, pid_str.c_str ()); |
2529 | ||
5fd62852 PA |
2530 | bfd_cache_close_all (); |
2531 | } | |
c5aa993b | 2532 | |
08036331 | 2533 | /* Used in `attach&' command. Proceed threads of inferior INF iff |
74531fed | 2534 | they stopped due to debugger request, and when they did, they |
08036331 PA |
2535 | reported a clean stop (GDB_SIGNAL_0). Do not proceed threads that |
2536 | have been explicitly been told to stop. */ | |
74531fed PA |
2537 | |
2538 | static void | |
08036331 | 2539 | proceed_after_attach (inferior *inf) |
74531fed PA |
2540 | { |
2541 | /* Don't error out if the current thread is running, because | |
2542 | there may be other stopped threads. */ | |
74531fed PA |
2543 | |
2544 | /* Backup current thread and selected frame. */ | |
5ed8105e | 2545 | scoped_restore_current_thread restore_thread; |
74531fed | 2546 | |
08036331 PA |
2547 | for (thread_info *thread : inf->non_exited_threads ()) |
2548 | if (!thread->executing | |
2549 | && !thread->stop_requested | |
2550 | && thread->suspend.stop_signal == GDB_SIGNAL_0) | |
2551 | { | |
2552 | switch_to_thread (thread); | |
2553 | clear_proceed_status (0); | |
2554 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); | |
2555 | } | |
74531fed PA |
2556 | } |
2557 | ||
6efcd9a8 | 2558 | /* See inferior.h. */ |
c906108c | 2559 | |
6efcd9a8 PA |
2560 | void |
2561 | setup_inferior (int from_tty) | |
9356cf8d | 2562 | { |
d6b48e9c | 2563 | struct inferior *inferior; |
9356cf8d | 2564 | |
d6b48e9c | 2565 | inferior = current_inferior (); |
6efcd9a8 | 2566 | inferior->needs_setup = 0; |
9356cf8d PA |
2567 | |
2568 | /* If no exec file is yet known, try to determine it from the | |
2569 | process itself. */ | |
a10de604 | 2570 | if (get_exec_file (0) == NULL) |
e99b03dc | 2571 | exec_file_locate_attach (inferior_ptid.pid (), 1, from_tty); |
9356cf8d PA |
2572 | else |
2573 | { | |
2574 | reopen_exec_file (); | |
2575 | reread_symbols (); | |
2576 | } | |
2577 | ||
2578 | /* Take any necessary post-attaching actions for this platform. */ | |
e99b03dc | 2579 | target_post_attach (inferior_ptid.pid ()); |
9356cf8d | 2580 | |
8b88a78e | 2581 | post_create_inferior (current_top_target (), from_tty); |
6efcd9a8 PA |
2582 | } |
2583 | ||
2584 | /* What to do after the first program stops after attaching. */ | |
2585 | enum attach_post_wait_mode | |
2586 | { | |
2587 | /* Do nothing. Leaves threads as they are. */ | |
2588 | ATTACH_POST_WAIT_NOTHING, | |
2589 | ||
2590 | /* Re-resume threads that are marked running. */ | |
2591 | ATTACH_POST_WAIT_RESUME, | |
2592 | ||
2593 | /* Stop all threads. */ | |
2594 | ATTACH_POST_WAIT_STOP, | |
2595 | }; | |
2596 | ||
2597 | /* Called after we've attached to a process and we've seen it stop for | |
2598 | the first time. If ASYNC_EXEC is true, re-resume threads that | |
2599 | should be running. Else if ATTACH, */ | |
2600 | ||
2601 | static void | |
a121b7c1 | 2602 | attach_post_wait (const char *args, int from_tty, enum attach_post_wait_mode mode) |
6efcd9a8 PA |
2603 | { |
2604 | struct inferior *inferior; | |
9356cf8d | 2605 | |
6efcd9a8 PA |
2606 | inferior = current_inferior (); |
2607 | inferior->control.stop_soon = NO_STOP_QUIETLY; | |
2608 | ||
2609 | if (inferior->needs_setup) | |
2610 | setup_inferior (from_tty); | |
2611 | ||
2612 | if (mode == ATTACH_POST_WAIT_RESUME) | |
74531fed PA |
2613 | { |
2614 | /* The user requested an `attach&', so be sure to leave threads | |
2615 | that didn't get a signal running. */ | |
2616 | ||
2617 | /* Immediatelly resume all suspended threads of this inferior, | |
2618 | and this inferior only. This should have no effect on | |
2619 | already running threads. If a thread has been stopped with a | |
2620 | signal, leave it be. */ | |
2621 | if (non_stop) | |
08036331 | 2622 | proceed_after_attach (inferior); |
74531fed PA |
2623 | else |
2624 | { | |
a493e3e2 | 2625 | if (inferior_thread ()->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed | 2626 | { |
70509625 | 2627 | clear_proceed_status (0); |
64ce06e4 | 2628 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
74531fed PA |
2629 | } |
2630 | } | |
2631 | } | |
6efcd9a8 | 2632 | else if (mode == ATTACH_POST_WAIT_STOP) |
9356cf8d | 2633 | { |
74531fed PA |
2634 | /* The user requested a plain `attach', so be sure to leave |
2635 | the inferior stopped. */ | |
2636 | ||
74531fed PA |
2637 | /* At least the current thread is already stopped. */ |
2638 | ||
2639 | /* In all-stop, by definition, all threads have to be already | |
2640 | stopped at this point. In non-stop, however, although the | |
2641 | selected thread is stopped, others may still be executing. | |
2642 | Be sure to explicitly stop all threads of the process. This | |
2643 | should have no effect on already stopped threads. */ | |
066f6b6e | 2644 | if (non_stop) |
f2907e49 | 2645 | target_stop (ptid_t (inferior->pid)); |
066f6b6e PA |
2646 | else if (target_is_non_stop_p ()) |
2647 | { | |
066f6b6e | 2648 | struct thread_info *lowest = inferior_thread (); |
066f6b6e PA |
2649 | |
2650 | stop_all_threads (); | |
2651 | ||
2652 | /* It's not defined which thread will report the attach | |
2653 | stop. For consistency, always select the thread with | |
2654 | lowest GDB number, which should be the main thread, if it | |
2655 | still exists. */ | |
08036331 PA |
2656 | for (thread_info *thread : current_inferior ()->non_exited_threads ()) |
2657 | if (thread->inf->num < lowest->inf->num | |
2658 | || thread->per_inf_num < lowest->per_inf_num) | |
2659 | lowest = thread; | |
066f6b6e | 2660 | |
00431a78 | 2661 | switch_to_thread (lowest); |
066f6b6e | 2662 | } |
74531fed PA |
2663 | |
2664 | /* Tell the user/frontend where we're stopped. */ | |
9356cf8d PA |
2665 | normal_stop (); |
2666 | if (deprecated_attach_hook) | |
2667 | deprecated_attach_hook (); | |
2668 | } | |
2669 | } | |
2670 | ||
bfec99b2 | 2671 | struct attach_command_continuation_args |
9356cf8d PA |
2672 | { |
2673 | char *args; | |
2674 | int from_tty; | |
6efcd9a8 | 2675 | enum attach_post_wait_mode mode; |
bfec99b2 | 2676 | }; |
9356cf8d | 2677 | |
bfec99b2 | 2678 | static void |
fa4cd53f | 2679 | attach_command_continuation (void *args, int err) |
bfec99b2 | 2680 | { |
9a3c8263 SM |
2681 | struct attach_command_continuation_args *a |
2682 | = (struct attach_command_continuation_args *) args; | |
abbb1732 | 2683 | |
fa4cd53f PA |
2684 | if (err) |
2685 | return; | |
2686 | ||
6efcd9a8 | 2687 | attach_post_wait (a->args, a->from_tty, a->mode); |
9356cf8d PA |
2688 | } |
2689 | ||
604ead4a PA |
2690 | static void |
2691 | attach_command_continuation_free_args (void *args) | |
2692 | { | |
9a3c8263 SM |
2693 | struct attach_command_continuation_args *a |
2694 | = (struct attach_command_continuation_args *) args; | |
abbb1732 | 2695 | |
604ead4a PA |
2696 | xfree (a->args); |
2697 | xfree (a); | |
2698 | } | |
2699 | ||
6efcd9a8 PA |
2700 | /* "attach" command entry point. Takes a program started up outside |
2701 | of gdb and ``attaches'' to it. This stops it cold in its tracks | |
2702 | and allows us to start debugging it. */ | |
2703 | ||
c906108c | 2704 | void |
0b39b52e | 2705 | attach_command (const char *args, int from_tty) |
c906108c | 2706 | { |
6c4486e6 | 2707 | int async_exec; |
b3ccfe11 | 2708 | struct target_ops *attach_target; |
6efcd9a8 PA |
2709 | struct inferior *inferior = current_inferior (); |
2710 | enum attach_post_wait_mode mode; | |
c906108c | 2711 | |
c5aa993b | 2712 | dont_repeat (); /* Not for the faint of heart */ |
c906108c | 2713 | |
f5656ead | 2714 | if (gdbarch_has_global_solist (target_gdbarch ())) |
2567c7d9 PA |
2715 | /* Don't complain if all processes share the same symbol |
2716 | space. */ | |
8a305172 PA |
2717 | ; |
2718 | else if (target_has_execution) | |
c906108c | 2719 | { |
9e2f0ad4 | 2720 | if (query (_("A program is being debugged already. Kill it? "))) |
c906108c SS |
2721 | target_kill (); |
2722 | else | |
8a3fe4f8 | 2723 | error (_("Not killed.")); |
c906108c SS |
2724 | } |
2725 | ||
fd79ecee DJ |
2726 | /* Clean up any leftovers from other runs. Some other things from |
2727 | this function should probably be moved into target_pre_inferior. */ | |
2728 | target_pre_inferior (from_tty); | |
2729 | ||
6be9a197 TT |
2730 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (args, &async_exec); |
2731 | args = stripped.get (); | |
8bc2fe48 | 2732 | |
b3ccfe11 TT |
2733 | attach_target = find_attach_target (); |
2734 | ||
8bc2fe48 PA |
2735 | prepare_execution_command (attach_target, async_exec); |
2736 | ||
f6ac5f3d | 2737 | if (non_stop && !attach_target->supports_non_stop ()) |
9908b566 VP |
2738 | error (_("Cannot attach to this target in non-stop mode")); |
2739 | ||
f6ac5f3d | 2740 | attach_target->attach (args, from_tty); |
b3ccfe11 TT |
2741 | /* to_attach should push the target, so after this point we |
2742 | shouldn't refer to attach_target again. */ | |
2743 | attach_target = NULL; | |
c906108c SS |
2744 | |
2745 | /* Set up the "saved terminal modes" of the inferior | |
2746 | based on what modes we are starting it with. */ | |
223ffa71 | 2747 | target_terminal::init (); |
c906108c | 2748 | |
7180e04a PA |
2749 | /* Install inferior's terminal modes. This may look like a no-op, |
2750 | as we've just saved them above, however, this does more than | |
2751 | restore terminal settings: | |
2752 | ||
2753 | - installs a SIGINT handler that forwards SIGINT to the inferior. | |
2754 | Otherwise a Ctrl-C pressed just while waiting for the initial | |
2755 | stop would end up as a spurious Quit. | |
2756 | ||
2757 | - removes stdin from the event loop, which we need if attaching | |
2758 | in the foreground, otherwise on targets that report an initial | |
2759 | stop on attach (which are most) we'd process input/commands | |
2760 | while we're in the event loop waiting for that stop. That is, | |
2761 | before the attach continuation runs and the command is really | |
2762 | finished. */ | |
223ffa71 | 2763 | target_terminal::inferior (); |
7180e04a | 2764 | |
c906108c SS |
2765 | /* Set up execution context to know that we should return from |
2766 | wait_for_inferior as soon as the target reports a stop. */ | |
2767 | init_wait_for_inferior (); | |
70509625 | 2768 | clear_proceed_status (0); |
c906108c | 2769 | |
6efcd9a8 PA |
2770 | inferior->needs_setup = 1; |
2771 | ||
fbea99ea | 2772 | if (target_is_non_stop_p ()) |
74531fed PA |
2773 | { |
2774 | /* If we find that the current thread isn't stopped, explicitly | |
2775 | do so now, because we're going to install breakpoints and | |
2776 | poke at memory. */ | |
2777 | ||
2778 | if (async_exec) | |
2779 | /* The user requested an `attach&'; stop just one thread. */ | |
2780 | target_stop (inferior_ptid); | |
2781 | else | |
2782 | /* The user requested an `attach', so stop all threads of this | |
2783 | inferior. */ | |
e99b03dc | 2784 | target_stop (ptid_t (inferior_ptid.pid ())); |
74531fed PA |
2785 | } |
2786 | ||
6efcd9a8 PA |
2787 | mode = async_exec ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_STOP; |
2788 | ||
dc177b7a PA |
2789 | /* Some system don't generate traps when attaching to inferior. |
2790 | E.g. Mach 3 or GNU hurd. */ | |
f6ac5f3d | 2791 | if (!target_attach_no_wait ()) |
c5aa993b | 2792 | { |
0b333c5e | 2793 | struct attach_command_continuation_args *a; |
d6b48e9c | 2794 | |
1777feb0 | 2795 | /* Careful here. See comments in inferior.h. Basically some |
dc177b7a PA |
2796 | OSes don't ignore SIGSTOPs on continue requests anymore. We |
2797 | need a way for handle_inferior_event to reset the stop_signal | |
2798 | variable after an attach, and this is what | |
2799 | STOP_QUIETLY_NO_SIGSTOP is for. */ | |
16c381f0 | 2800 | inferior->control.stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c5aa993b | 2801 | |
3b12939d | 2802 | /* Wait for stop. */ |
0b333c5e PA |
2803 | a = XNEW (struct attach_command_continuation_args); |
2804 | a->args = xstrdup (args); | |
2805 | a->from_tty = from_tty; | |
6efcd9a8 | 2806 | a->mode = mode; |
0b333c5e PA |
2807 | add_inferior_continuation (attach_command_continuation, a, |
2808 | attach_command_continuation_free_args); | |
0b333c5e | 2809 | |
5b6d1e4f PA |
2810 | /* Let infrun consider waiting for events out of this |
2811 | target. */ | |
2812 | inferior->process_target ()->threads_executing = true; | |
2813 | ||
0b333c5e PA |
2814 | if (!target_is_async_p ()) |
2815 | mark_infrun_async_event_handler (); | |
2816 | return; | |
dc177b7a | 2817 | } |
5b6d1e4f PA |
2818 | else |
2819 | attach_post_wait (args, from_tty, mode); | |
c906108c SS |
2820 | } |
2821 | ||
1941c569 PA |
2822 | /* We had just found out that the target was already attached to an |
2823 | inferior. PTID points at a thread of this new inferior, that is | |
2824 | the most likely to be stopped right now, but not necessarily so. | |
2825 | The new inferior is assumed to be already added to the inferior | |
2826 | list at this point. If LEAVE_RUNNING, then leave the threads of | |
2827 | this inferior running, except those we've explicitly seen reported | |
2828 | as stopped. */ | |
2829 | ||
2830 | void | |
00431a78 | 2831 | notice_new_inferior (thread_info *thr, int leave_running, int from_tty) |
1941c569 | 2832 | { |
5ed8105e PA |
2833 | enum attach_post_wait_mode mode |
2834 | = leave_running ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_NOTHING; | |
1941c569 | 2835 | |
5ed8105e | 2836 | gdb::optional<scoped_restore_current_thread> restore_thread; |
1941c569 | 2837 | |
5ed8105e PA |
2838 | if (inferior_ptid != null_ptid) |
2839 | restore_thread.emplace (); | |
1941c569 | 2840 | |
6efcd9a8 PA |
2841 | /* Avoid reading registers -- we haven't fetched the target |
2842 | description yet. */ | |
00431a78 | 2843 | switch_to_thread_no_regs (thr); |
1941c569 PA |
2844 | |
2845 | /* When we "notice" a new inferior we need to do all the things we | |
2846 | would normally do if we had just attached to it. */ | |
2847 | ||
00431a78 | 2848 | if (thr->executing) |
1941c569 | 2849 | { |
0b333c5e | 2850 | struct attach_command_continuation_args *a; |
1941c569 PA |
2851 | struct inferior *inferior = current_inferior (); |
2852 | ||
2853 | /* We're going to install breakpoints, and poke at memory, | |
2854 | ensure that the inferior is stopped for a moment while we do | |
2855 | that. */ | |
2856 | target_stop (inferior_ptid); | |
2857 | ||
16c381f0 | 2858 | inferior->control.stop_soon = STOP_QUIETLY_REMOTE; |
1941c569 PA |
2859 | |
2860 | /* Wait for stop before proceeding. */ | |
0b333c5e PA |
2861 | a = XNEW (struct attach_command_continuation_args); |
2862 | a->args = xstrdup (""); | |
2863 | a->from_tty = from_tty; | |
6efcd9a8 | 2864 | a->mode = mode; |
0b333c5e PA |
2865 | add_inferior_continuation (attach_command_continuation, a, |
2866 | attach_command_continuation_free_args); | |
1941c569 | 2867 | |
0b333c5e | 2868 | return; |
1941c569 PA |
2869 | } |
2870 | ||
6efcd9a8 | 2871 | attach_post_wait ("" /* args */, from_tty, mode); |
1941c569 PA |
2872 | } |
2873 | ||
c906108c SS |
2874 | /* |
2875 | * detach_command -- | |
2876 | * takes a program previously attached to and detaches it. | |
2877 | * The program resumes execution and will no longer stop | |
2878 | * on signals, etc. We better not have left any breakpoints | |
2879 | * in the program or it'll die when it hits one. For this | |
2880 | * to work, it may be necessary for the process to have been | |
2881 | * previously attached. It *might* work if the program was | |
2882 | * started via the normal ptrace (PTRACE_TRACEME). | |
2883 | */ | |
2884 | ||
6418d433 | 2885 | void |
981a3fb3 | 2886 | detach_command (const char *args, int from_tty) |
c906108c | 2887 | { |
1f5d0fc9 | 2888 | dont_repeat (); /* Not for the faint of heart. */ |
d729566a | 2889 | |
d7e15655 | 2890 | if (inferior_ptid == null_ptid) |
d729566a PA |
2891 | error (_("The program is not being run.")); |
2892 | ||
2f9d54cf PA |
2893 | query_if_trace_running (from_tty); |
2894 | ||
2895 | disconnect_tracing (); | |
d5551862 | 2896 | |
6e1e1966 | 2897 | target_detach (current_inferior (), from_tty); |
50c71eaf | 2898 | |
63000888 PA |
2899 | /* The current inferior process was just detached successfully. Get |
2900 | rid of breakpoints that no longer make sense. Note we don't do | |
2901 | this within target_detach because that is also used when | |
2902 | following child forks, and in that case we will want to transfer | |
2903 | breakpoints to the child, not delete them. */ | |
2904 | breakpoint_init_inferior (inf_exited); | |
2905 | ||
50c71eaf PA |
2906 | /* If the solist is global across inferiors, don't clear it when we |
2907 | detach from a single inferior. */ | |
f5656ead | 2908 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
50c71eaf | 2909 | no_shared_libraries (NULL, from_tty); |
8a305172 | 2910 | |
9a4105ab AC |
2911 | if (deprecated_detach_hook) |
2912 | deprecated_detach_hook (); | |
c906108c SS |
2913 | } |
2914 | ||
6ad8ae5c DJ |
2915 | /* Disconnect from the current target without resuming it (leaving it |
2916 | waiting for a debugger). | |
2917 | ||
2918 | We'd better not have left any breakpoints in the program or the | |
2919 | next debugger will get confused. Currently only supported for some | |
2920 | remote targets, since the normal attach mechanisms don't work on | |
2921 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
2922 | ||
2923 | static void | |
0b39b52e | 2924 | disconnect_command (const char *args, int from_tty) |
6ad8ae5c | 2925 | { |
1777feb0 | 2926 | dont_repeat (); /* Not for the faint of heart. */ |
2f9d54cf PA |
2927 | query_if_trace_running (from_tty); |
2928 | disconnect_tracing (); | |
6ad8ae5c | 2929 | target_disconnect (args, from_tty); |
e85a822c | 2930 | no_shared_libraries (NULL, from_tty); |
a0ef4274 | 2931 | init_thread_list (); |
9a4105ab AC |
2932 | if (deprecated_detach_hook) |
2933 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
2934 | } |
2935 | ||
5b6d1e4f PA |
2936 | /* Stop PTID in the current target, and tag the PTID threads as having |
2937 | been explicitly requested to stop. PTID can be a thread, a | |
2938 | process, or minus_one_ptid, meaning all threads of all inferiors of | |
2939 | the current target. */ | |
e42de8c7 | 2940 | |
5b6d1e4f PA |
2941 | static void |
2942 | stop_current_target_threads_ns (ptid_t ptid) | |
2943 | { | |
2944 | target_stop (ptid); | |
252fbfc8 PA |
2945 | |
2946 | /* Tag the thread as having been explicitly requested to stop, so | |
2947 | other parts of gdb know not to resume this thread automatically, | |
2948 | if it was stopped due to an internal event. Limit this to | |
2949 | non-stop mode, as when debugging a multi-threaded application in | |
2950 | all-stop mode, we will only get one stop event --- it's undefined | |
2951 | which thread will report the event. */ | |
5b6d1e4f PA |
2952 | set_stop_requested (current_inferior ()->process_target (), |
2953 | ptid, 1); | |
2954 | } | |
2955 | ||
2956 | /* See inferior.h. */ | |
2957 | ||
2958 | void | |
2959 | interrupt_target_1 (bool all_threads) | |
2960 | { | |
252fbfc8 | 2961 | if (non_stop) |
5b6d1e4f PA |
2962 | { |
2963 | if (all_threads) | |
2964 | { | |
2965 | scoped_restore_current_thread restore_thread; | |
2966 | ||
2967 | for (inferior *inf : all_inferiors ()) | |
2968 | { | |
2969 | switch_to_inferior_no_thread (inf); | |
2970 | stop_current_target_threads_ns (minus_one_ptid); | |
2971 | } | |
2972 | } | |
2973 | else | |
2974 | stop_current_target_threads_ns (inferior_ptid); | |
2975 | } | |
2976 | else | |
2977 | target_interrupt (); | |
77ebaa5a VP |
2978 | } |
2979 | ||
6339bfc4 DE |
2980 | /* interrupt [-a] |
2981 | Stop the execution of the target while running in async mode, in | |
17e5269b | 2982 | the background. In all-stop, stop the whole process. In non-stop |
8cae4b3f PA |
2983 | mode, stop the current thread only by default, or stop all threads |
2984 | if the `-a' switch is used. */ | |
2985 | ||
1dd5fedc | 2986 | static void |
0b39b52e | 2987 | interrupt_command (const char *args, int from_tty) |
43ff13b4 | 2988 | { |
362646f5 | 2989 | if (target_can_async_p ()) |
43ff13b4 | 2990 | { |
8cae4b3f PA |
2991 | int all_threads = 0; |
2992 | ||
1777feb0 | 2993 | dont_repeat (); /* Not for the faint of heart. */ |
94cc34af | 2994 | |
8cae4b3f | 2995 | if (args != NULL |
61012eef | 2996 | && startswith (args, "-a")) |
8cae4b3f PA |
2997 | all_threads = 1; |
2998 | ||
2999 | if (!non_stop && all_threads) | |
3000 | error (_("-a is meaningless in all-stop mode.")); | |
3001 | ||
77ebaa5a | 3002 | interrupt_target_1 (all_threads); |
43ff13b4 JM |
3003 | } |
3004 | } | |
3005 | ||
cc86d1cb YQ |
3006 | /* See inferior.h. */ |
3007 | ||
3008 | void | |
3009 | default_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, | |
3010 | struct frame_info *frame, const char *args) | |
c906108c | 3011 | { |
cc86d1cb YQ |
3012 | int regnum; |
3013 | int printed_something = 0; | |
d80b854b | 3014 | |
f6efe3f8 | 3015 | for (regnum = 0; regnum < gdbarch_num_cooked_regs (gdbarch); regnum++) |
23e3a7ac | 3016 | { |
cc86d1cb | 3017 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac | 3018 | { |
cc86d1cb YQ |
3019 | printed_something = 1; |
3020 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); | |
23e3a7ac | 3021 | } |
23e3a7ac | 3022 | } |
cc86d1cb YQ |
3023 | if (!printed_something) |
3024 | fprintf_filtered (file, "No floating-point info " | |
3025 | "available for this processor.\n"); | |
23e3a7ac AC |
3026 | } |
3027 | ||
3028 | static void | |
1d12d88f | 3029 | info_float_command (const char *args, int from_tty) |
23e3a7ac | 3030 | { |
cc86d1cb YQ |
3031 | struct frame_info *frame; |
3032 | ||
206415a3 DJ |
3033 | if (!target_has_registers) |
3034 | error (_("The program has no registers now.")); | |
3035 | ||
cc86d1cb YQ |
3036 | frame = get_selected_frame (NULL); |
3037 | gdbarch_print_float_info (get_frame_arch (frame), gdb_stdout, frame, args); | |
c906108c SS |
3038 | } |
3039 | \f | |
c906108c | 3040 | static void |
981a3fb3 | 3041 | unset_command (const char *args, int from_tty) |
c906108c | 3042 | { |
3e43a32a MS |
3043 | printf_filtered (_("\"unset\" must be followed by the " |
3044 | "name of an unset subcommand.\n")); | |
635c7e8a | 3045 | help_list (unsetlist, "unset ", all_commands, gdb_stdout); |
c906108c SS |
3046 | } |
3047 | ||
145b16a9 UW |
3048 | /* Implement `info proc' family of commands. */ |
3049 | ||
3050 | static void | |
69f476a3 | 3051 | info_proc_cmd_1 (const char *args, enum info_proc_what what, int from_tty) |
145b16a9 | 3052 | { |
3030c96e UW |
3053 | struct gdbarch *gdbarch = get_current_arch (); |
3054 | ||
451b7c33 TT |
3055 | if (!target_info_proc (args, what)) |
3056 | { | |
3057 | if (gdbarch_info_proc_p (gdbarch)) | |
3058 | gdbarch_info_proc (gdbarch, args, what); | |
3059 | else | |
3060 | error (_("Not supported on this target.")); | |
3061 | } | |
145b16a9 UW |
3062 | } |
3063 | ||
85102364 | 3064 | /* Implement `info proc' when given without any further parameters. */ |
145b16a9 UW |
3065 | |
3066 | static void | |
981a3fb3 | 3067 | info_proc_cmd (const char *args, int from_tty) |
145b16a9 UW |
3068 | { |
3069 | info_proc_cmd_1 (args, IP_MINIMAL, from_tty); | |
3070 | } | |
3071 | ||
3072 | /* Implement `info proc mappings'. */ | |
3073 | ||
3074 | static void | |
69f476a3 | 3075 | info_proc_cmd_mappings (const char *args, int from_tty) |
145b16a9 UW |
3076 | { |
3077 | info_proc_cmd_1 (args, IP_MAPPINGS, from_tty); | |
3078 | } | |
3079 | ||
3080 | /* Implement `info proc stat'. */ | |
3081 | ||
3082 | static void | |
69f476a3 | 3083 | info_proc_cmd_stat (const char *args, int from_tty) |
145b16a9 UW |
3084 | { |
3085 | info_proc_cmd_1 (args, IP_STAT, from_tty); | |
3086 | } | |
3087 | ||
3088 | /* Implement `info proc status'. */ | |
3089 | ||
3090 | static void | |
69f476a3 | 3091 | info_proc_cmd_status (const char *args, int from_tty) |
145b16a9 UW |
3092 | { |
3093 | info_proc_cmd_1 (args, IP_STATUS, from_tty); | |
3094 | } | |
3095 | ||
3096 | /* Implement `info proc cwd'. */ | |
3097 | ||
3098 | static void | |
69f476a3 | 3099 | info_proc_cmd_cwd (const char *args, int from_tty) |
145b16a9 UW |
3100 | { |
3101 | info_proc_cmd_1 (args, IP_CWD, from_tty); | |
3102 | } | |
3103 | ||
3104 | /* Implement `info proc cmdline'. */ | |
3105 | ||
3106 | static void | |
69f476a3 | 3107 | info_proc_cmd_cmdline (const char *args, int from_tty) |
145b16a9 UW |
3108 | { |
3109 | info_proc_cmd_1 (args, IP_CMDLINE, from_tty); | |
3110 | } | |
3111 | ||
3112 | /* Implement `info proc exe'. */ | |
3113 | ||
3114 | static void | |
69f476a3 | 3115 | info_proc_cmd_exe (const char *args, int from_tty) |
145b16a9 UW |
3116 | { |
3117 | info_proc_cmd_1 (args, IP_EXE, from_tty); | |
3118 | } | |
3119 | ||
e98ee8c4 JB |
3120 | /* Implement `info proc files'. */ |
3121 | ||
3122 | static void | |
3123 | info_proc_cmd_files (const char *args, int from_tty) | |
3124 | { | |
3125 | info_proc_cmd_1 (args, IP_FILES, from_tty); | |
3126 | } | |
3127 | ||
145b16a9 UW |
3128 | /* Implement `info proc all'. */ |
3129 | ||
3130 | static void | |
69f476a3 | 3131 | info_proc_cmd_all (const char *args, int from_tty) |
145b16a9 UW |
3132 | { |
3133 | info_proc_cmd_1 (args, IP_ALL, from_tty); | |
3134 | } | |
3135 | ||
000439d5 TT |
3136 | /* Implement `show print finish'. */ |
3137 | ||
3138 | static void | |
3139 | show_print_finish (struct ui_file *file, int from_tty, | |
3140 | struct cmd_list_element *c, | |
3141 | const char *value) | |
3142 | { | |
3143 | fprintf_filtered (file, _("\ | |
3144 | Printing of return value after `finish' is %s.\n"), | |
3145 | value); | |
3146 | } | |
3147 | ||
3148 | ||
4e5a4f58 JB |
3149 | /* This help string is used for the run, start, and starti commands. |
3150 | It is defined as a macro to prevent duplication. */ | |
3151 | ||
3152 | #define RUN_ARGS_HELP \ | |
3153 | "You may specify arguments to give it.\n\ | |
3154 | Args may include \"*\", or \"[...]\"; they are expanded using the\n\ | |
3155 | shell that will start the program (specified by the \"$SHELL\" environment\n\ | |
3156 | variable). Input and output redirection with \">\", \"<\", or \">>\"\n\ | |
3157 | are also allowed.\n\ | |
3158 | \n\ | |
3159 | With no arguments, uses arguments last specified (with \"run\" or \n\ | |
3160 | \"set args\"). To cancel previous arguments and run with no arguments,\n\ | |
3161 | use \"set args\" without arguments.\n\ | |
3162 | \n\ | |
3163 | To start the inferior without using a shell, use \"set startup-with-shell off\"." | |
3164 | ||
c906108c | 3165 | void |
fba45db2 | 3166 | _initialize_infcmd (void) |
c906108c | 3167 | { |
145b16a9 | 3168 | static struct cmd_list_element *info_proc_cmdlist; |
3cb3b8df | 3169 | struct cmd_list_element *c = NULL; |
6f937416 | 3170 | const char *cmd_name; |
3cb3b8df | 3171 | |
1777feb0 | 3172 | /* Add the filename of the terminal connected to inferior I/O. */ |
0a1ddfa6 SM |
3173 | add_setshow_optional_filename_cmd ("inferior-tty", class_run, |
3174 | &inferior_io_terminal_scratch, _("\ | |
3cb3b8df BR |
3175 | Set terminal for future runs of program being debugged."), _("\ |
3176 | Show terminal for future runs of program being debugged."), _("\ | |
0a1ddfa6 SM |
3177 | Usage: set inferior-tty [TTY]\n\n\ |
3178 | If TTY is omitted, the default behavior of using the same terminal as GDB\n\ | |
3179 | is restored."), | |
3180 | set_inferior_tty_command, | |
3181 | show_inferior_tty_command, | |
3182 | &setlist, &showlist); | |
21873064 YQ |
3183 | cmd_name = "inferior-tty"; |
3184 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3185 | gdb_assert (c != NULL); | |
3186 | add_alias_cmd ("tty", c, class_alias, 0, &cmdlist); | |
c906108c | 3187 | |
6ace3df1 YQ |
3188 | cmd_name = "args"; |
3189 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
3190 | &inferior_args_scratch, _("\ | |
b4b4ac0b AC |
3191 | Set argument list to give program being debugged when it is started."), _("\ |
3192 | Show argument list to give program being debugged when it is started."), _("\ | |
3193 | Follow this command with any number of args, to be passed to the program."), | |
6ace3df1 YQ |
3194 | set_args_command, |
3195 | show_args_command, | |
3196 | &setlist, &showlist); | |
3197 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3198 | gdb_assert (c != NULL); | |
3199 | set_cmd_completer (c, filename_completer); | |
c906108c | 3200 | |
d092c5a2 SDJ |
3201 | cmd_name = "cwd"; |
3202 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
3203 | &inferior_cwd_scratch, _("\ | |
3204 | Set the current working directory to be used when the inferior is started.\n\ | |
3205 | Changing this setting does not have any effect on inferiors that are\n\ | |
3206 | already running."), | |
3207 | _("\ | |
3208 | Show the current working directory that is used when the inferior is started."), | |
3209 | _("\ | |
3210 | Use this command to change the current working directory that will be used\n\ | |
3211 | when the inferior is started. This setting does not affect GDB's current\n\ | |
3212 | working directory."), | |
3213 | set_cwd_command, | |
3214 | show_cwd_command, | |
3215 | &setlist, &showlist); | |
3216 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3217 | gdb_assert (c != NULL); | |
3218 | set_cmd_completer (c, filename_completer); | |
3219 | ||
1a966eab AC |
3220 | c = add_cmd ("environment", no_class, environment_info, _("\ |
3221 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
3222 | With an argument VAR, prints the value of environment variable VAR to\n\ |
3223 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 3224 | environment to be given to the program."), &showlist); |
5ba2abeb | 3225 | set_cmd_completer (c, noop_completer); |
c906108c SS |
3226 | |
3227 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 3228 | _("Complement to certain \"set\" commands."), |
c906108c | 3229 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 3230 | |
1a966eab AC |
3231 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
3232 | Cancel environment variable VAR for the program.\n\ | |
3233 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 3234 | &unsetlist); |
5ba2abeb | 3235 | set_cmd_completer (c, noop_completer); |
c906108c | 3236 | |
1a966eab AC |
3237 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
3238 | Set environment variable value to give the program.\n\ | |
c906108c SS |
3239 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
3240 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 3241 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 3242 | &setlist); |
5ba2abeb | 3243 | set_cmd_completer (c, noop_completer); |
c5aa993b | 3244 | |
1bedd215 AC |
3245 | c = add_com ("path", class_files, path_command, _("\ |
3246 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
3247 | $cwd in the path means the current working directory.\n\ |
3248 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
3249 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
3250 | fully linked executable files and separately compiled object files as \ |
3251 | needed.")); | |
5ba2abeb | 3252 | set_cmd_completer (c, filename_completer); |
c906108c | 3253 | |
1a966eab AC |
3254 | c = add_cmd ("paths", no_class, path_info, _("\ |
3255 | Current search path for finding object files.\n\ | |
c906108c SS |
3256 | $cwd in the path means the current working directory.\n\ |
3257 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
3258 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
3259 | fully linked executable files and separately compiled object files as \ |
3260 | needed."), | |
c906108c | 3261 | &showlist); |
5ba2abeb | 3262 | set_cmd_completer (c, noop_completer); |
c906108c | 3263 | |
2277426b PA |
3264 | add_prefix_cmd ("kill", class_run, kill_command, |
3265 | _("Kill execution of program being debugged."), | |
3266 | &killlist, "kill ", 0, &cmdlist); | |
5fd62852 | 3267 | |
1bedd215 AC |
3268 | add_com ("attach", class_run, attach_command, _("\ |
3269 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
3270 | This command attaches to another target, of the same type as your last\n\ |
3271 | \"target\" command (\"info files\" will show your target stack).\n\ | |
3272 | The command may take as argument a process id or a device file.\n\ | |
3273 | For a process id, you must have permission to send the process a signal,\n\ | |
3274 | and it must have the same effective uid as the debugger.\n\ | |
3275 | When using \"attach\" with a process id, the debugger finds the\n\ | |
3276 | program running in the process, looking first in the current working\n\ | |
3277 | directory, or (if not found there) using the source file search path\n\ | |
3278 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 3279 | to specify the program, and to load its symbol table.")); |
c906108c | 3280 | |
f73adfeb | 3281 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 3282 | Detach a process or file previously attached.\n\ |
c906108c | 3283 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
3284 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
3285 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 3286 | |
1bedd215 AC |
3287 | add_com ("disconnect", class_run, disconnect_command, _("\ |
3288 | Disconnect from a target.\n\ | |
6ad8ae5c | 3289 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 3290 | all targets.")); |
6ad8ae5c | 3291 | |
de0bea00 | 3292 | c = add_com ("signal", class_run, signal_command, _("\ |
486c7739 MF |
3293 | Continue program with the specified signal.\n\ |
3294 | Usage: signal SIGNAL\n\ | |
2edda2ff | 3295 | The SIGNAL argument is processed the same as the handle command.\n\ |
486c7739 MF |
3296 | \n\ |
3297 | An argument of \"0\" means continue the program without sending it a signal.\n\ | |
3298 | This is useful in cases where the program stopped because of a signal,\n\ | |
81219e53 DE |
3299 | and you want to resume the program while discarding the signal.\n\ |
3300 | \n\ | |
3301 | In a multi-threaded program the signal is delivered to, or discarded from,\n\ | |
3302 | the current thread only.")); | |
3303 | set_cmd_completer (c, signal_completer); | |
3304 | ||
3305 | c = add_com ("queue-signal", class_run, queue_signal_command, _("\ | |
3306 | Queue a signal to be delivered to the current thread when it is resumed.\n\ | |
3307 | Usage: queue-signal SIGNAL\n\ | |
3308 | The SIGNAL argument is processed the same as the handle command.\n\ | |
3309 | It is an error if the handling state of SIGNAL is \"nopass\".\n\ | |
3310 | \n\ | |
3311 | An argument of \"0\" means remove any currently queued signal from\n\ | |
3312 | the current thread. This is useful in cases where the program stopped\n\ | |
3313 | because of a signal, and you want to resume it while discarding the signal.\n\ | |
3314 | \n\ | |
3315 | In a multi-threaded program the signal is queued with, or discarded from,\n\ | |
3316 | the current thread only.")); | |
de0bea00 | 3317 | set_cmd_completer (c, signal_completer); |
c906108c | 3318 | |
1bedd215 AC |
3319 | add_com ("stepi", class_run, stepi_command, _("\ |
3320 | Step one instruction exactly.\n\ | |
486c7739 MF |
3321 | Usage: stepi [N]\n\ |
3322 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3323 | reason).")); |
c906108c SS |
3324 | add_com_alias ("si", "stepi", class_alias, 0); |
3325 | ||
1bedd215 AC |
3326 | add_com ("nexti", class_run, nexti_command, _("\ |
3327 | Step one instruction, but proceed through subroutine calls.\n\ | |
486c7739 MF |
3328 | Usage: nexti [N]\n\ |
3329 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3330 | reason).")); |
c906108c SS |
3331 | add_com_alias ("ni", "nexti", class_alias, 0); |
3332 | ||
1bedd215 AC |
3333 | add_com ("finish", class_run, finish_command, _("\ |
3334 | Execute until selected stack frame returns.\n\ | |
486c7739 | 3335 | Usage: finish\n\ |
1bedd215 | 3336 | Upon return, the value returned is printed and put in the value history.")); |
0e479716 | 3337 | add_com_alias ("fin", "finish", class_run, 1); |
c906108c | 3338 | |
1bedd215 AC |
3339 | add_com ("next", class_run, next_command, _("\ |
3340 | Step program, proceeding through subroutine calls.\n\ | |
486c7739 MF |
3341 | Usage: next [N]\n\ |
3342 | Unlike \"step\", if the current source line calls a subroutine,\n\ | |
3343 | this command does not enter the subroutine, but instead steps over\n\ | |
dbf6a605 | 3344 | the call, in effect treating it as a single source line.")); |
c906108c | 3345 | add_com_alias ("n", "next", class_run, 1); |
c906108c | 3346 | |
1bedd215 AC |
3347 | add_com ("step", class_run, step_command, _("\ |
3348 | Step program until it reaches a different source line.\n\ | |
486c7739 MF |
3349 | Usage: step [N]\n\ |
3350 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3351 | reason).")); |
c906108c SS |
3352 | add_com_alias ("s", "step", class_run, 1); |
3353 | ||
1bedd215 | 3354 | c = add_com ("until", class_run, until_command, _("\ |
590042fc | 3355 | Execute until past the current line or past a LOCATION.\n\ |
1bedd215 | 3356 | Execute until the program reaches a source line greater than the current\n\ |
3e43a32a MS |
3357 | or a specified location (same args as break command) within the current \ |
3358 | frame.")); | |
5ba2abeb | 3359 | set_cmd_completer (c, location_completer); |
c906108c | 3360 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 3361 | |
1bedd215 | 3362 | c = add_com ("advance", class_run, advance_command, _("\ |
3e43a32a MS |
3363 | Continue the program up to the given location (same form as args for break \ |
3364 | command).\n\ | |
1bedd215 | 3365 | Execution will also stop upon exit from the current stack frame.")); |
ae66c1fc EZ |
3366 | set_cmd_completer (c, location_completer); |
3367 | ||
1bedd215 AC |
3368 | c = add_com ("jump", class_run, jump_command, _("\ |
3369 | Continue program being debugged at specified line or address.\n\ | |
0a8ba311 | 3370 | Usage: jump LOCATION\n\ |
c906108c | 3371 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 3372 | for an address to start at.")); |
5ba2abeb | 3373 | set_cmd_completer (c, location_completer); |
c1d780c2 | 3374 | add_com_alias ("j", "jump", class_run, 1); |
c906108c | 3375 | |
df983543 | 3376 | add_com ("continue", class_run, continue_command, _("\ |
1bedd215 | 3377 | Continue program being debugged, after signal or breakpoint.\n\ |
486c7739 | 3378 | Usage: continue [N]\n\ |
c906108c SS |
3379 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
3380 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
8cae4b3f PA |
3381 | the breakpoint won't break until the Nth time it is reached).\n\ |
3382 | \n\ | |
3383 | If non-stop mode is enabled, continue only the current thread,\n\ | |
3384 | otherwise all the threads in the program are continued. To \n\ | |
3385 | continue all stopped threads in non-stop mode, use the -a option.\n\ | |
3386 | Specifying -a and an ignore count simultaneously is an error.")); | |
c906108c SS |
3387 | add_com_alias ("c", "cont", class_run, 1); |
3388 | add_com_alias ("fg", "cont", class_run, 1); | |
3389 | ||
1bedd215 | 3390 | c = add_com ("run", class_run, run_command, _("\ |
4e5a4f58 JB |
3391 | Start debugged program.\n" |
3392 | RUN_ARGS_HELP)); | |
5ba2abeb | 3393 | set_cmd_completer (c, filename_completer); |
c906108c | 3394 | add_com_alias ("r", "run", class_run, 1); |
c906108c | 3395 | |
1bedd215 | 3396 | c = add_com ("start", class_run, start_command, _("\ |
4e5a4f58 JB |
3397 | Start the debugged program stopping at the beginning of the main procedure.\n" |
3398 | RUN_ARGS_HELP)); | |
3399 | set_cmd_completer (c, filename_completer); | |
3400 | ||
3401 | c = add_com ("starti", class_run, starti_command, _("\ | |
3402 | Start the debugged program stopping at the first instruction.\n" | |
3403 | RUN_ARGS_HELP)); | |
a4d5f2e0 JB |
3404 | set_cmd_completer (c, filename_completer); |
3405 | ||
0a07590b | 3406 | add_com ("interrupt", class_run, interrupt_command, |
df983543 | 3407 | _("Interrupt the execution of the debugged program.\n\ |
8cae4b3f PA |
3408 | If non-stop mode is enabled, interrupt only the current thread,\n\ |
3409 | otherwise all the threads in the program are stopped. To \n\ | |
3410 | interrupt all running threads in non-stop mode, use the -a option.")); | |
43ff13b4 | 3411 | |
11db9430 | 3412 | c = add_info ("registers", info_registers_command, _("\ |
1bedd215 | 3413 | List of integer registers and their contents, for selected stack frame.\n\ |
b67d92b0 SH |
3414 | One or more register names as argument means describe the given registers.\n\ |
3415 | One or more register group names as argument means describe the registers\n\ | |
3416 | in the named register groups.")); | |
7194c49b | 3417 | add_info_alias ("r", "registers", 1); |
71c24708 | 3418 | set_cmd_completer (c, reg_or_group_completer); |
c906108c | 3419 | |
11db9430 | 3420 | c = add_info ("all-registers", info_all_registers_command, _("\ |
1bedd215 | 3421 | List of all registers and their contents, for selected stack frame.\n\ |
b67d92b0 SH |
3422 | One or more register names as argument means describe the given registers.\n\ |
3423 | One or more register group names as argument means describe the registers\n\ | |
3424 | in the named register groups.")); | |
71c24708 | 3425 | set_cmd_completer (c, reg_or_group_completer); |
c906108c | 3426 | |
11db9430 | 3427 | add_info ("program", info_program_command, |
1bedd215 | 3428 | _("Execution status of the program.")); |
c906108c | 3429 | |
11db9430 | 3430 | add_info ("float", info_float_command, |
590042fc | 3431 | _("Print the status of the floating point unit.")); |
c906108c | 3432 | |
11db9430 | 3433 | add_info ("vector", info_vector_command, |
590042fc | 3434 | _("Print the status of the vector unit.")); |
145b16a9 UW |
3435 | |
3436 | add_prefix_cmd ("proc", class_info, info_proc_cmd, | |
3437 | _("\ | |
73f1bd76 | 3438 | Show additional information about a process.\n\ |
145b16a9 UW |
3439 | Specify any process id, or use the program being debugged by default."), |
3440 | &info_proc_cmdlist, "info proc ", | |
3441 | 1/*allow-unknown*/, &infolist); | |
3442 | ||
3443 | add_cmd ("mappings", class_info, info_proc_cmd_mappings, _("\ | |
73f1bd76 | 3444 | List memory regions mapped by the specified process."), |
145b16a9 UW |
3445 | &info_proc_cmdlist); |
3446 | ||
3447 | add_cmd ("stat", class_info, info_proc_cmd_stat, _("\ | |
3448 | List process info from /proc/PID/stat."), | |
3449 | &info_proc_cmdlist); | |
3450 | ||
3451 | add_cmd ("status", class_info, info_proc_cmd_status, _("\ | |
3452 | List process info from /proc/PID/status."), | |
3453 | &info_proc_cmdlist); | |
3454 | ||
3455 | add_cmd ("cwd", class_info, info_proc_cmd_cwd, _("\ | |
73f1bd76 | 3456 | List current working directory of the specified process."), |
145b16a9 UW |
3457 | &info_proc_cmdlist); |
3458 | ||
3459 | add_cmd ("cmdline", class_info, info_proc_cmd_cmdline, _("\ | |
73f1bd76 | 3460 | List command line arguments of the specified process."), |
145b16a9 UW |
3461 | &info_proc_cmdlist); |
3462 | ||
3463 | add_cmd ("exe", class_info, info_proc_cmd_exe, _("\ | |
73f1bd76 | 3464 | List absolute filename for executable of the specified process."), |
145b16a9 UW |
3465 | &info_proc_cmdlist); |
3466 | ||
e98ee8c4 JB |
3467 | add_cmd ("files", class_info, info_proc_cmd_files, _("\ |
3468 | List files opened by the specified process."), | |
3469 | &info_proc_cmdlist); | |
3470 | ||
145b16a9 | 3471 | add_cmd ("all", class_info, info_proc_cmd_all, _("\ |
73f1bd76 | 3472 | List all available info about the specified process."), |
145b16a9 | 3473 | &info_proc_cmdlist); |
000439d5 TT |
3474 | |
3475 | add_setshow_boolean_cmd ("finish", class_support, | |
3476 | &user_print_options.finish_print, _("\ | |
3477 | Set whether `finish' prints the return value."), _("\ | |
3478 | Show whether `finish' prints the return value."), NULL, | |
3479 | NULL, | |
3480 | show_print_finish, | |
3481 | &setprintlist, &showprintlist); | |
c906108c | 3482 | } |