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 | ||
c47f70e2 PA |
271 | /* ARGC should always be at least 1, but we double check this |
272 | here. This is also needed to silence -Werror-stringop | |
273 | warnings. */ | |
274 | gdb_assert (argc > 0); | |
275 | ||
98882a26 | 276 | if (startup_with_shell) |
c2a727fa | 277 | { |
5d60742e EZ |
278 | #ifdef __MINGW32__ |
279 | /* This holds all the characters considered special to the | |
280 | Windows shells. */ | |
a121b7c1 PA |
281 | static const char special[] = "\"!&*|[]{}<>?`~^=;, \t\n"; |
282 | static const char quote = '"'; | |
5d60742e | 283 | #else |
c2a727fa TT |
284 | /* This holds all the characters considered special to the |
285 | typical Unix shells. We include `^' because the SunOS | |
286 | /bin/sh treats it as a synonym for `|'. */ | |
a121b7c1 PA |
287 | static const char special[] = "\"!#$&*()\\|[]{}<>?'`~^; \t\n"; |
288 | static const char quote = '\''; | |
5d60742e | 289 | #endif |
c2a727fa TT |
290 | int i; |
291 | int length = 0; | |
292 | char *out, *cp; | |
293 | ||
294 | /* We over-compute the size. It shouldn't matter. */ | |
295 | for (i = 0; i < argc; ++i) | |
c2226152 | 296 | length += 3 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
297 | |
298 | result = (char *) xmalloc (length); | |
299 | out = result; | |
300 | ||
301 | for (i = 0; i < argc; ++i) | |
302 | { | |
303 | if (i > 0) | |
304 | *out++ = ' '; | |
305 | ||
03c6228e AS |
306 | /* Need to handle empty arguments specially. */ |
307 | if (argv[i][0] == '\0') | |
c2a727fa | 308 | { |
5d60742e EZ |
309 | *out++ = quote; |
310 | *out++ = quote; | |
03c6228e AS |
311 | } |
312 | else | |
313 | { | |
5d60742e EZ |
314 | #ifdef __MINGW32__ |
315 | int quoted = 0; | |
316 | ||
317 | if (strpbrk (argv[i], special)) | |
318 | { | |
319 | quoted = 1; | |
320 | *out++ = quote; | |
321 | } | |
322 | #endif | |
03c6228e AS |
323 | for (cp = argv[i]; *cp; ++cp) |
324 | { | |
c2226152 AS |
325 | if (*cp == '\n') |
326 | { | |
327 | /* A newline cannot be quoted with a backslash (it | |
328 | just disappears), only by putting it inside | |
329 | quotes. */ | |
5d60742e | 330 | *out++ = quote; |
c2226152 | 331 | *out++ = '\n'; |
5d60742e | 332 | *out++ = quote; |
c2226152 AS |
333 | } |
334 | else | |
335 | { | |
5d60742e EZ |
336 | #ifdef __MINGW32__ |
337 | if (*cp == quote) | |
338 | #else | |
c2226152 | 339 | if (strchr (special, *cp) != NULL) |
5d60742e | 340 | #endif |
c2226152 AS |
341 | *out++ = '\\'; |
342 | *out++ = *cp; | |
343 | } | |
03c6228e | 344 | } |
5d60742e EZ |
345 | #ifdef __MINGW32__ |
346 | if (quoted) | |
347 | *out++ = quote; | |
348 | #endif | |
c2a727fa TT |
349 | } |
350 | } | |
351 | *out = '\0'; | |
352 | } | |
353 | else | |
354 | { | |
355 | /* In this case we can't handle arguments that contain spaces, | |
356 | tabs, or newlines -- see breakup_args(). */ | |
357 | int i; | |
358 | int length = 0; | |
359 | ||
360 | for (i = 0; i < argc; ++i) | |
361 | { | |
362 | char *cp = strchr (argv[i], ' '); | |
363 | if (cp == NULL) | |
364 | cp = strchr (argv[i], '\t'); | |
365 | if (cp == NULL) | |
366 | cp = strchr (argv[i], '\n'); | |
367 | if (cp != NULL) | |
3e43a32a MS |
368 | error (_("can't handle command-line " |
369 | "argument containing whitespace")); | |
c2a727fa TT |
370 | length += strlen (argv[i]) + 1; |
371 | } | |
372 | ||
373 | result = (char *) xmalloc (length); | |
374 | result[0] = '\0'; | |
375 | for (i = 0; i < argc; ++i) | |
376 | { | |
377 | if (i > 0) | |
378 | strcat (result, " "); | |
379 | strcat (result, argv[i]); | |
380 | } | |
381 | } | |
382 | ||
383 | return result; | |
384 | } | |
552c04a7 TT |
385 | \f |
386 | ||
6c4486e6 PA |
387 | /* This function strips the '&' character (indicating background |
388 | execution) that is added as *the last* of the arguments ARGS of a | |
389 | command. A copy of the incoming ARGS without the '&' is returned, | |
390 | unless the resulting string after stripping is empty, in which case | |
391 | NULL is returned. *BG_CHAR_P is an output boolean that indicates | |
392 | whether the '&' character was found. */ | |
6339bfc4 | 393 | |
6be9a197 | 394 | static gdb::unique_xmalloc_ptr<char> |
6c4486e6 | 395 | strip_bg_char (const char *args, int *bg_char_p) |
43ff13b4 | 396 | { |
6c4486e6 | 397 | const char *p; |
c5aa993b | 398 | |
6c4486e6 PA |
399 | if (args == NULL || *args == '\0') |
400 | { | |
401 | *bg_char_p = 0; | |
402 | return NULL; | |
403 | } | |
c5aa993b | 404 | |
6c4486e6 PA |
405 | p = args + strlen (args); |
406 | if (p[-1] == '&') | |
43ff13b4 | 407 | { |
6c4486e6 PA |
408 | p--; |
409 | while (p > args && isspace (p[-1])) | |
410 | p--; | |
411 | ||
412 | *bg_char_p = 1; | |
413 | if (p != args) | |
6be9a197 TT |
414 | return gdb::unique_xmalloc_ptr<char> |
415 | (savestring (args, p - args)); | |
6c4486e6 | 416 | else |
6be9a197 | 417 | return gdb::unique_xmalloc_ptr<char> (nullptr); |
43ff13b4 | 418 | } |
6c4486e6 PA |
419 | |
420 | *bg_char_p = 0; | |
b02f78f9 | 421 | return make_unique_xstrdup (args); |
43ff13b4 JM |
422 | } |
423 | ||
281b533b DJ |
424 | /* Common actions to take after creating any sort of inferior, by any |
425 | means (running, attaching, connecting, et cetera). The target | |
426 | should be stopped. */ | |
427 | ||
428 | void | |
429 | post_create_inferior (struct target_ops *target, int from_tty) | |
430 | { | |
ce406537 | 431 | |
b79599ff | 432 | /* Be sure we own the terminal in case write operations are performed. */ |
223ffa71 | 433 | target_terminal::ours_for_output (); |
b79599ff | 434 | |
424163ea DJ |
435 | /* If the target hasn't taken care of this already, do it now. |
436 | Targets which need to access registers during to_open, | |
437 | to_create_inferior, or to_attach should do it earlier; but many | |
438 | don't need to. */ | |
439 | target_find_description (); | |
440 | ||
ce406537 PA |
441 | /* Now that we know the register layout, retrieve current PC. But |
442 | if the PC is unavailable (e.g., we're opening a core file with | |
443 | missing registers info), ignore it. */ | |
f2ffa92b PA |
444 | thread_info *thr = inferior_thread (); |
445 | ||
446 | thr->suspend.stop_pc = 0; | |
a70b8144 | 447 | try |
ce406537 | 448 | { |
8dc3273e SM |
449 | regcache *rc = get_thread_regcache (thr); |
450 | thr->suspend.stop_pc = regcache_read_pc (rc); | |
ce406537 | 451 | } |
230d2906 | 452 | catch (const gdb_exception_error &ex) |
7556d4a4 PA |
453 | { |
454 | if (ex.error != NOT_AVAILABLE_ERROR) | |
eedc3f4f | 455 | throw; |
7556d4a4 | 456 | } |
f698437e | 457 | |
50c71eaf PA |
458 | if (exec_bfd) |
459 | { | |
2eff07b3 PP |
460 | const unsigned solib_add_generation |
461 | = current_program_space->solib_add_generation; | |
462 | ||
9353355f DJ |
463 | /* Create the hooks to handle shared library load and unload |
464 | events. */ | |
268a4a75 | 465 | solib_create_inferior_hook (from_tty); |
268a4a75 | 466 | |
2eff07b3 PP |
467 | if (current_program_space->solib_add_generation == solib_add_generation) |
468 | { | |
469 | /* The platform-specific hook should load initial shared libraries, | |
470 | but didn't. FROM_TTY will be incorrectly 0 but such solib | |
471 | targets should be fixed anyway. Call it only after the solib | |
472 | target has been initialized by solib_create_inferior_hook. */ | |
473 | ||
474 | if (info_verbose) | |
475 | warning (_("platform-specific solib_create_inferior_hook did " | |
476 | "not load initial shared libraries.")); | |
477 | ||
478 | /* If the solist is global across processes, there's no need to | |
479 | refetch it here. */ | |
f5656ead | 480 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
e696b3ad | 481 | solib_add (NULL, 0, auto_solib_add); |
2eff07b3 | 482 | } |
9353355f DJ |
483 | } |
484 | ||
ea5d7a99 PM |
485 | /* If the user sets watchpoints before execution having started, |
486 | then she gets software watchpoints, because GDB can't know which | |
487 | target will end up being pushed, or if it supports hardware | |
488 | watchpoints or not. breakpoint_re_set takes care of promoting | |
489 | watchpoints to hardware watchpoints if possible, however, if this | |
490 | new inferior doesn't load shared libraries or we don't pull in | |
491 | symbols from any other source on this target/arch, | |
492 | breakpoint_re_set is never called. Call it now so that software | |
493 | watchpoints get a chance to be promoted to hardware watchpoints | |
494 | if the now pushed target supports hardware watchpoints. */ | |
495 | breakpoint_re_set (); | |
496 | ||
76727919 | 497 | gdb::observers::inferior_created.notify (target, from_tty); |
281b533b DJ |
498 | } |
499 | ||
a4d5f2e0 JB |
500 | /* Kill the inferior if already running. This function is designed |
501 | to be called when we are about to start the execution of the program | |
502 | from the beginning. Ask the user to confirm that he wants to restart | |
503 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 504 | |
8edfe269 | 505 | static void |
a4d5f2e0 JB |
506 | kill_if_already_running (int from_tty) |
507 | { | |
d7e15655 | 508 | if (inferior_ptid != null_ptid && target_has_execution) |
c906108c | 509 | { |
8edfe269 DJ |
510 | /* Bail out before killing the program if we will not be able to |
511 | restart it. */ | |
512 | target_require_runnable (); | |
513 | ||
adf40b2e | 514 | if (from_tty |
9e2f0ad4 HZ |
515 | && !query (_("The program being debugged has been started already.\n\ |
516 | Start it from the beginning? "))) | |
8a3fe4f8 | 517 | error (_("Program not restarted.")); |
c906108c | 518 | target_kill (); |
c906108c | 519 | } |
a4d5f2e0 JB |
520 | } |
521 | ||
329ea579 | 522 | /* See inferior.h. */ |
8bc2fe48 | 523 | |
329ea579 | 524 | void |
8bc2fe48 PA |
525 | prepare_execution_command (struct target_ops *target, int background) |
526 | { | |
527 | /* If we get a request for running in the bg but the target | |
528 | doesn't support it, error out. */ | |
f6ac5f3d | 529 | if (background && !target->can_async_p ()) |
8bc2fe48 PA |
530 | error (_("Asynchronous execution not supported on this target.")); |
531 | ||
0b333c5e | 532 | if (!background) |
8bc2fe48 | 533 | { |
0b333c5e PA |
534 | /* If we get a request for running in the fg, then we need to |
535 | simulate synchronous (fg) execution. Note no cleanup is | |
536 | necessary for this. stdin is re-enabled whenever an error | |
537 | reaches the top level. */ | |
a8836c93 | 538 | all_uis_on_sync_execution_starting (); |
8bc2fe48 PA |
539 | } |
540 | } | |
541 | ||
4e5a4f58 JB |
542 | /* Determine how the new inferior will behave. */ |
543 | ||
544 | enum run_how | |
545 | { | |
546 | /* Run program without any explicit stop during startup. */ | |
547 | RUN_NORMAL, | |
548 | ||
549 | /* Stop at the beginning of the program's main function. */ | |
550 | RUN_STOP_AT_MAIN, | |
551 | ||
552 | /* Stop at the first instruction of the program. */ | |
553 | RUN_STOP_AT_FIRST_INSN | |
554 | }; | |
555 | ||
556 | /* Implement the "run" command. Force a stop during program start if | |
557 | requested by RUN_HOW. */ | |
f67a969f | 558 | |
a4d5f2e0 | 559 | static void |
0b39b52e | 560 | run_command_1 (const char *args, int from_tty, enum run_how run_how) |
a4d5f2e0 | 561 | { |
7c5ded6a | 562 | const char *exec_file; |
79a45e25 | 563 | struct ui_out *uiout = current_uiout; |
b3ccfe11 | 564 | struct target_ops *run_target; |
6c4486e6 | 565 | int async_exec; |
c906108c | 566 | |
a4d5f2e0 JB |
567 | dont_repeat (); |
568 | ||
569 | kill_if_already_running (from_tty); | |
3c35e65b UW |
570 | |
571 | init_wait_for_inferior (); | |
c906108c SS |
572 | clear_breakpoint_hit_counts (); |
573 | ||
fd79ecee DJ |
574 | /* Clean up any leftovers from other runs. Some other things from |
575 | this function should probably be moved into target_pre_inferior. */ | |
576 | target_pre_inferior (from_tty); | |
577 | ||
39ad761d JB |
578 | /* The comment here used to read, "The exec file is re-read every |
579 | time we do a generic_mourn_inferior, so we just have to worry | |
580 | about the symbol file." The `generic_mourn_inferior' function | |
581 | gets called whenever the program exits. However, suppose the | |
582 | program exits, and *then* the executable file changes? We need | |
583 | to check again here. Since reopen_exec_file doesn't do anything | |
584 | if the timestamp hasn't changed, I don't see the harm. */ | |
585 | reopen_exec_file (); | |
c906108c SS |
586 | reread_symbols (); |
587 | ||
6be9a197 TT |
588 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (args, &async_exec); |
589 | args = stripped.get (); | |
f67a969f | 590 | |
8bc2fe48 PA |
591 | /* Do validation and preparation before possibly changing anything |
592 | in the inferior. */ | |
39ad761d | 593 | |
b3ccfe11 TT |
594 | run_target = find_run_target (); |
595 | ||
8bc2fe48 PA |
596 | prepare_execution_command (run_target, async_exec); |
597 | ||
f6ac5f3d | 598 | if (non_stop && !run_target->supports_non_stop ()) |
9908b566 VP |
599 | error (_("The target does not support running in non-stop mode.")); |
600 | ||
8bc2fe48 PA |
601 | /* Done. Can now set breakpoints, change inferior args, etc. */ |
602 | ||
4e5a4f58 JB |
603 | /* Insert temporary breakpoint in main function if requested. */ |
604 | if (run_how == RUN_STOP_AT_MAIN) | |
e242fd12 SM |
605 | { |
606 | std::string arg = string_printf ("-qualified %s", main_name ()); | |
607 | tbreak_command (arg.c_str (), 0); | |
608 | } | |
8bc2fe48 | 609 | |
7c5ded6a | 610 | exec_file = get_exec_file (0); |
8bc2fe48 | 611 | |
c906108c SS |
612 | /* We keep symbols from add-symbol-file, on the grounds that the |
613 | user might want to add some symbols before running the program | |
614 | (right?). But sometimes (dynamic loading where the user manually | |
615 | introduces the new symbols with add-symbol-file), the code which | |
616 | the symbols describe does not persist between runs. Currently | |
617 | the user has to manually nuke all symbols between runs if they | |
618 | want them to go away (PR 2207). This is probably reasonable. */ | |
619 | ||
8bc2fe48 PA |
620 | /* If there were other args, beside '&', process them. */ |
621 | if (args != NULL) | |
622 | set_inferior_args (args); | |
c906108c SS |
623 | |
624 | if (from_tty) | |
625 | { | |
112e8700 SM |
626 | uiout->field_string (NULL, "Starting program"); |
627 | uiout->text (": "); | |
8b93c638 | 628 | if (exec_file) |
112e8700 SM |
629 | uiout->field_string ("execfile", exec_file); |
630 | uiout->spaces (1); | |
552c04a7 TT |
631 | /* We call get_inferior_args() because we might need to compute |
632 | the value now. */ | |
112e8700 SM |
633 | uiout->field_string ("infargs", get_inferior_args ()); |
634 | uiout->text ("\n"); | |
635 | uiout->flush (); | |
c906108c SS |
636 | } |
637 | ||
552c04a7 TT |
638 | /* We call get_inferior_args() because we might need to compute |
639 | the value now. */ | |
f6ac5f3d PA |
640 | run_target->create_inferior (exec_file, |
641 | std::string (get_inferior_args ()), | |
642 | current_inferior ()->environment.envp (), | |
643 | from_tty); | |
b3ccfe11 TT |
644 | /* to_create_inferior should push the target, so after this point we |
645 | shouldn't refer to run_target again. */ | |
646 | run_target = NULL; | |
281b533b | 647 | |
29f49a6a PA |
648 | /* We're starting off a new process. When we get out of here, in |
649 | non-stop mode, finish the state of all threads of that process, | |
650 | but leave other threads alone, as they may be stopped in internal | |
651 | events --- the frontend shouldn't see them as stopped. In | |
652 | all-stop, always finish the state of all threads, as we may be | |
653 | resuming more than just the new process. */ | |
5b6d1e4f PA |
654 | process_stratum_target *finish_target; |
655 | ptid_t finish_ptid; | |
656 | if (non_stop) | |
657 | { | |
658 | finish_target = current_inferior ()->process_target (); | |
659 | finish_ptid = ptid_t (current_inferior ()->pid); | |
660 | } | |
661 | else | |
662 | { | |
663 | finish_target = nullptr; | |
664 | finish_ptid = minus_one_ptid; | |
665 | } | |
666 | scoped_finish_thread_state finish_state (finish_target, finish_ptid); | |
29f49a6a | 667 | |
de1b3c3d PA |
668 | /* Pass zero for FROM_TTY, because at this point the "run" command |
669 | has done its thing; now we are setting up the running program. */ | |
8b88a78e | 670 | post_create_inferior (current_top_target (), 0); |
281b533b | 671 | |
4e5a4f58 JB |
672 | /* Queue a pending event so that the program stops immediately. */ |
673 | if (run_how == RUN_STOP_AT_FIRST_INSN) | |
674 | { | |
675 | thread_info *thr = inferior_thread (); | |
676 | thr->suspend.waitstatus_pending_p = 1; | |
677 | thr->suspend.waitstatus.kind = TARGET_WAITKIND_STOPPED; | |
678 | thr->suspend.waitstatus.value.sig = GDB_SIGNAL_0; | |
679 | } | |
680 | ||
74d1f91e JK |
681 | /* Start the target running. Do not use -1 continuation as it would skip |
682 | breakpoint right at the entry point. */ | |
64ce06e4 | 683 | proceed (regcache_read_pc (get_current_regcache ()), GDB_SIGNAL_0); |
c906108c | 684 | |
29f49a6a PA |
685 | /* Since there was no error, there's no need to finish the thread |
686 | states here. */ | |
731f534f | 687 | finish_state.release (); |
29f49a6a | 688 | } |
c906108c | 689 | |
f67a969f | 690 | static void |
0b39b52e | 691 | run_command (const char *args, int from_tty) |
f67a969f | 692 | { |
4e5a4f58 | 693 | run_command_1 (args, from_tty, RUN_NORMAL); |
f67a969f JB |
694 | } |
695 | ||
a4d5f2e0 JB |
696 | /* Start the execution of the program up until the beginning of the main |
697 | program. */ | |
698 | ||
699 | static void | |
0b39b52e | 700 | start_command (const char *args, int from_tty) |
a4d5f2e0 JB |
701 | { |
702 | /* Some languages such as Ada need to search inside the program | |
703 | minimal symbols for the location where to put the temporary | |
704 | breakpoint before starting. */ | |
705 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 706 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 707 | |
f67a969f | 708 | /* Run the program until reaching the main procedure... */ |
4e5a4f58 JB |
709 | run_command_1 (args, from_tty, RUN_STOP_AT_MAIN); |
710 | } | |
711 | ||
712 | /* Start the execution of the program stopping at the first | |
713 | instruction. */ | |
714 | ||
715 | static void | |
0b39b52e | 716 | starti_command (const char *args, int from_tty) |
4e5a4f58 JB |
717 | { |
718 | run_command_1 (args, from_tty, RUN_STOP_AT_FIRST_INSN); | |
a4d5f2e0 JB |
719 | } |
720 | ||
8cae4b3f PA |
721 | static int |
722 | proceed_thread_callback (struct thread_info *thread, void *arg) | |
723 | { | |
74531fed PA |
724 | /* We go through all threads individually instead of compressing |
725 | into a single target `resume_all' request, because some threads | |
726 | may be stopped in internal breakpoints/events, or stopped waiting | |
727 | for its turn in the displaced stepping queue (that is, they are | |
728 | running && !executing). The target side has no idea about why | |
729 | the thread is stopped, so a `resume_all' command would resume too | |
730 | much. If/when GDB gains a way to tell the target `hold this | |
731 | thread stopped until I say otherwise', then we can optimize | |
732 | this. */ | |
00431a78 | 733 | if (thread->state != THREAD_STOPPED) |
8cae4b3f PA |
734 | return 0; |
735 | ||
5b6d1e4f PA |
736 | if (!thread->inf->has_execution ()) |
737 | return 0; | |
738 | ||
00431a78 | 739 | switch_to_thread (thread); |
70509625 | 740 | clear_proceed_status (0); |
64ce06e4 | 741 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
8cae4b3f PA |
742 | return 0; |
743 | } | |
744 | ||
70221824 | 745 | static void |
d729566a PA |
746 | ensure_valid_thread (void) |
747 | { | |
00431a78 PA |
748 | if (inferior_ptid == null_ptid |
749 | || inferior_thread ()->state == THREAD_EXITED) | |
3e43a32a | 750 | error (_("Cannot execute this command without a live selected thread.")); |
d729566a PA |
751 | } |
752 | ||
573cda03 | 753 | /* If the user is looking at trace frames, any resumption of execution |
1777feb0 | 754 | is likely to mix up recorded and live target data. So simply |
573cda03 SS |
755 | disallow those commands. */ |
756 | ||
70221824 | 757 | static void |
573cda03 SS |
758 | ensure_not_tfind_mode (void) |
759 | { | |
760 | if (get_traceframe_number () >= 0) | |
3e43a32a | 761 | error (_("Cannot execute this command while looking at trace frames.")); |
573cda03 SS |
762 | } |
763 | ||
3d3fef6b YQ |
764 | /* Throw an error indicating the current thread is running. */ |
765 | ||
766 | static void | |
767 | error_is_running (void) | |
768 | { | |
769 | error (_("Cannot execute this command while " | |
770 | "the selected thread is running.")); | |
771 | } | |
772 | ||
773 | /* Calls error_is_running if the current thread is running. */ | |
774 | ||
775 | static void | |
776 | ensure_not_running (void) | |
777 | { | |
00431a78 | 778 | if (inferior_thread ()->state == THREAD_RUNNING) |
3d3fef6b YQ |
779 | error_is_running (); |
780 | } | |
781 | ||
77ebaa5a VP |
782 | void |
783 | continue_1 (int all_threads) | |
784 | { | |
3d488bfc | 785 | ERROR_NO_INFERIOR; |
573cda03 | 786 | ensure_not_tfind_mode (); |
3d488bfc | 787 | |
77ebaa5a VP |
788 | if (non_stop && all_threads) |
789 | { | |
790 | /* Don't error out if the current thread is running, because | |
abbb1732 | 791 | there may be other stopped threads. */ |
77ebaa5a | 792 | |
5ed8105e PA |
793 | /* Backup current thread and selected frame and restore on scope |
794 | exit. */ | |
795 | scoped_restore_current_thread restore_thread; | |
77ebaa5a VP |
796 | |
797 | iterate_over_threads (proceed_thread_callback, NULL); | |
798 | ||
3b12939d | 799 | if (current_ui->prompt_state == PROMPT_BLOCKED) |
0ff33695 PA |
800 | { |
801 | /* If all threads in the target were already running, | |
802 | proceed_thread_callback ends up never calling proceed, | |
803 | and so nothing calls this to put the inferior's terminal | |
804 | settings in effect and remove stdin from the event loop, | |
805 | which we must when running a foreground command. E.g.: | |
806 | ||
807 | (gdb) c -a& | |
808 | Continuing. | |
809 | <all threads are running now> | |
810 | (gdb) c -a | |
811 | Continuing. | |
812 | <no thread was resumed, but the inferior now owns the terminal> | |
813 | */ | |
223ffa71 | 814 | target_terminal::inferior (); |
0ff33695 | 815 | } |
77ebaa5a VP |
816 | } |
817 | else | |
818 | { | |
d729566a | 819 | ensure_valid_thread (); |
77ebaa5a | 820 | ensure_not_running (); |
70509625 | 821 | clear_proceed_status (0); |
64ce06e4 | 822 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
77ebaa5a VP |
823 | } |
824 | } | |
825 | ||
8cae4b3f | 826 | /* continue [-a] [proceed-count] [&] */ |
6339bfc4 | 827 | |
1dd5fedc | 828 | static void |
0b39b52e | 829 | continue_command (const char *args, int from_tty) |
c906108c | 830 | { |
6c4486e6 | 831 | int async_exec; |
5b6d1e4f | 832 | bool all_threads_p = false; |
6c4486e6 | 833 | |
c906108c SS |
834 | ERROR_NO_INFERIOR; |
835 | ||
1777feb0 | 836 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
837 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (args, &async_exec); |
838 | args = stripped.get (); | |
43ff13b4 | 839 | |
8cae4b3f PA |
840 | if (args != NULL) |
841 | { | |
61012eef | 842 | if (startswith (args, "-a")) |
8cae4b3f | 843 | { |
5b6d1e4f | 844 | all_threads_p = true; |
8cae4b3f PA |
845 | args += sizeof ("-a") - 1; |
846 | if (*args == '\0') | |
847 | args = NULL; | |
848 | } | |
849 | } | |
850 | ||
5b6d1e4f | 851 | if (!non_stop && all_threads_p) |
8cae4b3f PA |
852 | error (_("`-a' is meaningless in all-stop mode.")); |
853 | ||
5b6d1e4f | 854 | if (args != NULL && all_threads_p) |
3e43a32a MS |
855 | error (_("Can't resume all threads and specify " |
856 | "proceed count simultaneously.")); | |
8cae4b3f PA |
857 | |
858 | /* If we have an argument left, set proceed count of breakpoint we | |
859 | stopped at. */ | |
860 | if (args != NULL) | |
c906108c | 861 | { |
347bddb7 | 862 | bpstat bs = NULL; |
8671a17b PA |
863 | int num, stat; |
864 | int stopped = 0; | |
347bddb7 PA |
865 | struct thread_info *tp; |
866 | ||
867 | if (non_stop) | |
00431a78 | 868 | tp = inferior_thread (); |
347bddb7 PA |
869 | else |
870 | { | |
5b6d1e4f | 871 | process_stratum_target *last_target; |
347bddb7 | 872 | ptid_t last_ptid; |
347bddb7 | 873 | |
5b6d1e4f PA |
874 | get_last_target_status (&last_target, &last_ptid, nullptr); |
875 | tp = find_thread_ptid (last_target, last_ptid); | |
347bddb7 PA |
876 | } |
877 | if (tp != NULL) | |
16c381f0 | 878 | bs = tp->control.stop_bpstat; |
8671a17b PA |
879 | |
880 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
881 | if (stat > 0) | |
882 | { | |
883 | set_ignore_count (num, | |
8cae4b3f | 884 | parse_and_eval_long (args) - 1, |
8671a17b PA |
885 | from_tty); |
886 | /* set_ignore_count prints a message ending with a period. | |
887 | So print two spaces before "Continuing.". */ | |
888 | if (from_tty) | |
889 | printf_filtered (" "); | |
890 | stopped = 1; | |
891 | } | |
892 | ||
893 | if (!stopped && from_tty) | |
c906108c SS |
894 | { |
895 | printf_filtered | |
896 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
897 | } | |
c906108c SS |
898 | } |
899 | ||
3b12939d PA |
900 | ERROR_NO_INFERIOR; |
901 | ensure_not_tfind_mode (); | |
902 | ||
5b6d1e4f | 903 | if (!non_stop || !all_threads_p) |
3b12939d PA |
904 | { |
905 | ensure_valid_thread (); | |
906 | ensure_not_running (); | |
907 | } | |
908 | ||
8b88a78e | 909 | prepare_execution_command (current_top_target (), async_exec); |
3b12939d | 910 | |
c906108c | 911 | if (from_tty) |
a3f17187 | 912 | printf_filtered (_("Continuing.\n")); |
c906108c | 913 | |
5b6d1e4f | 914 | continue_1 (all_threads_p); |
c906108c SS |
915 | } |
916 | \f | |
29734269 | 917 | /* Record in TP the starting point of a "step" or "next" command. */ |
edb3359d DJ |
918 | |
919 | static void | |
29734269 | 920 | set_step_frame (thread_info *tp) |
edb3359d | 921 | { |
29734269 SM |
922 | /* This can be removed once this function no longer implicitly relies on the |
923 | inferior_ptid value. */ | |
924 | gdb_assert (inferior_ptid == tp->ptid); | |
925 | ||
51abb421 | 926 | frame_info *frame = get_current_frame (); |
edb3359d | 927 | |
51abb421 | 928 | symtab_and_line sal = find_frame_sal (frame); |
29734269 | 929 | set_step_info (tp, frame, sal); |
51abb421 PA |
930 | |
931 | CORE_ADDR pc = get_frame_pc (frame); | |
64ce06e4 | 932 | tp->control.step_start_function = find_pc_function (pc); |
edb3359d DJ |
933 | } |
934 | ||
c906108c SS |
935 | /* Step until outside of current statement. */ |
936 | ||
c906108c | 937 | static void |
0b39b52e | 938 | step_command (const char *count_string, int from_tty) |
c906108c SS |
939 | { |
940 | step_1 (0, 0, count_string); | |
941 | } | |
942 | ||
943 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
944 | ||
c906108c | 945 | static void |
0b39b52e | 946 | next_command (const char *count_string, int from_tty) |
c906108c SS |
947 | { |
948 | step_1 (1, 0, count_string); | |
949 | } | |
950 | ||
951 | /* Likewise, but step only one instruction. */ | |
952 | ||
1dd5fedc | 953 | static void |
0b39b52e | 954 | stepi_command (const char *count_string, int from_tty) |
c906108c SS |
955 | { |
956 | step_1 (0, 1, count_string); | |
957 | } | |
958 | ||
1dd5fedc | 959 | static void |
0b39b52e | 960 | nexti_command (const char *count_string, int from_tty) |
c906108c SS |
961 | { |
962 | step_1 (1, 1, count_string); | |
963 | } | |
964 | ||
243a9253 PA |
965 | /* Data for the FSM that manages the step/next/stepi/nexti |
966 | commands. */ | |
967 | ||
46e3ed7f | 968 | struct step_command_fsm : public thread_fsm |
243a9253 | 969 | { |
243a9253 PA |
970 | /* How many steps left in a "step N"-like command. */ |
971 | int count; | |
972 | ||
973 | /* If true, this is a next/nexti, otherwise a step/stepi. */ | |
974 | int skip_subroutines; | |
975 | ||
976 | /* If true, this is a stepi/nexti, otherwise a step/step. */ | |
977 | int single_inst; | |
243a9253 | 978 | |
46e3ed7f TT |
979 | explicit step_command_fsm (struct interp *cmd_interp) |
980 | : thread_fsm (cmd_interp) | |
981 | { | |
982 | } | |
243a9253 | 983 | |
46e3ed7f TT |
984 | void clean_up (struct thread_info *thread) override; |
985 | bool should_stop (struct thread_info *thread) override; | |
986 | enum async_reply_reason do_async_reply_reason () override; | |
243a9253 PA |
987 | }; |
988 | ||
243a9253 PA |
989 | /* Prepare for a step/next/etc. command. Any target resource |
990 | allocated here is undone in the FSM's clean_up method. */ | |
991 | ||
992 | static void | |
993 | step_command_fsm_prepare (struct step_command_fsm *sm, | |
994 | int skip_subroutines, int single_inst, | |
995 | int count, struct thread_info *thread) | |
996 | { | |
997 | sm->skip_subroutines = skip_subroutines; | |
998 | sm->single_inst = single_inst; | |
999 | sm->count = count; | |
243a9253 PA |
1000 | |
1001 | /* Leave the si command alone. */ | |
1002 | if (!sm->single_inst || sm->skip_subroutines) | |
1003 | set_longjmp_breakpoint (thread, get_frame_id (get_current_frame ())); | |
1004 | ||
1005 | thread->control.stepping_command = 1; | |
1006 | } | |
1007 | ||
29734269 | 1008 | static int prepare_one_step (thread_info *, struct step_command_fsm *sm); |
243a9253 | 1009 | |
c906108c | 1010 | static void |
0b39b52e | 1011 | step_1 (int skip_subroutines, int single_inst, const char *count_string) |
c906108c | 1012 | { |
243a9253 | 1013 | int count; |
6c4486e6 | 1014 | int async_exec; |
243a9253 PA |
1015 | struct thread_info *thr; |
1016 | struct step_command_fsm *step_sm; | |
c5aa993b | 1017 | |
c906108c | 1018 | ERROR_NO_INFERIOR; |
573cda03 | 1019 | ensure_not_tfind_mode (); |
d729566a | 1020 | ensure_valid_thread (); |
94cc34af | 1021 | ensure_not_running (); |
43ff13b4 | 1022 | |
6be9a197 TT |
1023 | gdb::unique_xmalloc_ptr<char> stripped |
1024 | = strip_bg_char (count_string, &async_exec); | |
1025 | count_string = stripped.get (); | |
c5aa993b | 1026 | |
8b88a78e | 1027 | prepare_execution_command (current_top_target (), async_exec); |
43ff13b4 | 1028 | |
bb518678 | 1029 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 1030 | |
243a9253 | 1031 | clear_proceed_status (1); |
611c83ae | 1032 | |
243a9253 PA |
1033 | /* Setup the execution command state machine to handle all the COUNT |
1034 | steps. */ | |
1035 | thr = inferior_thread (); | |
46e3ed7f TT |
1036 | step_sm = new step_command_fsm (command_interp ()); |
1037 | thr->thread_fsm = step_sm; | |
611c83ae | 1038 | |
243a9253 PA |
1039 | step_command_fsm_prepare (step_sm, skip_subroutines, |
1040 | single_inst, count, thr); | |
c2d11a7d | 1041 | |
0b333c5e PA |
1042 | /* Do only one step for now, before returning control to the event |
1043 | loop. Let the continuation figure out how many other steps we | |
1044 | need to do, and handle them one at the time, through | |
1045 | step_once. */ | |
29734269 | 1046 | if (!prepare_one_step (thr, step_sm)) |
243a9253 PA |
1047 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
1048 | else | |
1049 | { | |
3b12939d PA |
1050 | int proceeded; |
1051 | ||
243a9253 PA |
1052 | /* Stepped into an inline frame. Pretend that we've |
1053 | stopped. */ | |
46e3ed7f | 1054 | thr->thread_fsm->clean_up (thr); |
3b12939d PA |
1055 | proceeded = normal_stop (); |
1056 | if (!proceeded) | |
1057 | inferior_event_handler (INF_EXEC_COMPLETE, NULL); | |
1058 | all_uis_check_sync_execution_done (); | |
243a9253 | 1059 | } |
c2d11a7d | 1060 | } |
c906108c | 1061 | |
243a9253 PA |
1062 | /* Implementation of the 'should_stop' FSM method for stepping |
1063 | commands. Called after we are done with one step operation, to | |
1064 | check whether we need to step again, before we print the prompt and | |
1065 | return control to the user. If count is > 1, returns false, as we | |
1066 | will need to keep going. */ | |
6339bfc4 | 1067 | |
46e3ed7f TT |
1068 | bool |
1069 | step_command_fsm::should_stop (struct thread_info *tp) | |
c2d11a7d | 1070 | { |
243a9253 | 1071 | if (tp->control.stop_step) |
f13468d9 | 1072 | { |
243a9253 PA |
1073 | /* There are more steps to make, and we did stop due to |
1074 | ending a stepping range. Do another step. */ | |
46e3ed7f | 1075 | if (--count > 0) |
29734269 | 1076 | return prepare_one_step (tp, this); |
af679fd0 | 1077 | |
46e3ed7f | 1078 | set_finished (); |
f107f563 | 1079 | } |
af679fd0 | 1080 | |
46e3ed7f | 1081 | return true; |
c2d11a7d JM |
1082 | } |
1083 | ||
243a9253 | 1084 | /* Implementation of the 'clean_up' FSM method for stepping commands. */ |
37d94800 | 1085 | |
46e3ed7f TT |
1086 | void |
1087 | step_command_fsm::clean_up (struct thread_info *thread) | |
bfec99b2 | 1088 | { |
46e3ed7f | 1089 | if (!single_inst || skip_subroutines) |
8980e177 | 1090 | delete_longjmp_breakpoint (thread->global_num); |
243a9253 PA |
1091 | } |
1092 | ||
1093 | /* Implementation of the 'async_reply_reason' FSM method for stepping | |
1094 | commands. */ | |
1095 | ||
46e3ed7f TT |
1096 | enum async_reply_reason |
1097 | step_command_fsm::do_async_reply_reason () | |
243a9253 PA |
1098 | { |
1099 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
1100 | } | |
1101 | ||
1102 | /* Prepare for one step in "step N". The actual target resumption is | |
1103 | done by the caller. Return true if we're done and should thus | |
1104 | report a stop to the user. Returns false if the target needs to be | |
1105 | resumed. */ | |
c2d11a7d | 1106 | |
243a9253 | 1107 | static int |
29734269 | 1108 | prepare_one_step (thread_info *tp, struct step_command_fsm *sm) |
243a9253 | 1109 | { |
29734269 SM |
1110 | /* This can be removed once this function no longer implicitly relies on the |
1111 | inferior_ptid value. */ | |
1112 | gdb_assert (inferior_ptid == tp->ptid); | |
1113 | ||
243a9253 | 1114 | if (sm->count > 0) |
c906108c | 1115 | { |
243a9253 PA |
1116 | struct frame_info *frame = get_current_frame (); |
1117 | ||
29734269 | 1118 | set_step_frame (tp); |
c906108c | 1119 | |
243a9253 | 1120 | if (!sm->single_inst) |
c906108c | 1121 | { |
1641cfcc PA |
1122 | CORE_ADDR pc; |
1123 | ||
edb3359d | 1124 | /* Step at an inlined function behaves like "down". */ |
243a9253 | 1125 | if (!sm->skip_subroutines |
00431a78 | 1126 | && inline_skipped_frames (tp)) |
edb3359d | 1127 | { |
09cee04b | 1128 | ptid_t resume_ptid; |
4a4c04f1 BE |
1129 | const char *fn = NULL; |
1130 | symtab_and_line sal; | |
1131 | struct symbol *sym; | |
09cee04b PA |
1132 | |
1133 | /* Pretend that we've ran. */ | |
1134 | resume_ptid = user_visible_resume_ptid (1); | |
5b6d1e4f | 1135 | set_running (tp->inf->process_target (), resume_ptid, true); |
09cee04b | 1136 | |
00431a78 | 1137 | step_into_inline_frame (tp); |
4a4c04f1 BE |
1138 | |
1139 | frame = get_current_frame (); | |
1140 | sal = find_frame_sal (frame); | |
1141 | sym = get_frame_function (frame); | |
1142 | ||
1143 | if (sym != NULL) | |
1144 | fn = sym->print_name (); | |
1145 | ||
1146 | if (sal.line == 0 | |
1147 | || !function_name_is_marked_for_skip (fn, sal)) | |
1148 | { | |
1149 | sm->count--; | |
29734269 | 1150 | return prepare_one_step (tp, sm); |
4a4c04f1 | 1151 | } |
edb3359d DJ |
1152 | } |
1153 | ||
1641cfcc PA |
1154 | pc = get_frame_pc (frame); |
1155 | find_pc_line_pc_range (pc, | |
16c381f0 JK |
1156 | &tp->control.step_range_start, |
1157 | &tp->control.step_range_end); | |
5fbbeb29 | 1158 | |
c1e36e3e PA |
1159 | tp->control.may_range_step = 1; |
1160 | ||
5fbbeb29 | 1161 | /* If we have no line info, switch to stepi mode. */ |
16c381f0 | 1162 | if (tp->control.step_range_end == 0 && step_stop_if_no_debug) |
c1e36e3e PA |
1163 | { |
1164 | tp->control.step_range_start = tp->control.step_range_end = 1; | |
1165 | tp->control.may_range_step = 0; | |
1166 | } | |
16c381f0 | 1167 | else if (tp->control.step_range_end == 0) |
c906108c | 1168 | { |
2c02bd72 | 1169 | const char *name; |
abbb1732 | 1170 | |
1641cfcc | 1171 | if (find_pc_partial_function (pc, &name, |
16c381f0 JK |
1172 | &tp->control.step_range_start, |
1173 | &tp->control.step_range_end) == 0) | |
8a3fe4f8 | 1174 | error (_("Cannot find bounds of current function")); |
c906108c | 1175 | |
223ffa71 | 1176 | target_terminal::ours_for_output (); |
3e43a32a MS |
1177 | printf_filtered (_("Single stepping until exit from function %s," |
1178 | "\nwhich has no line number information.\n"), | |
1179 | name); | |
c906108c SS |
1180 | } |
1181 | } | |
1182 | else | |
1183 | { | |
1184 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
16c381f0 | 1185 | tp->control.step_range_start = tp->control.step_range_end = 1; |
243a9253 | 1186 | if (!sm->skip_subroutines) |
c906108c SS |
1187 | /* It is stepi. |
1188 | Don't step over function calls, not even to functions lacking | |
1189 | line numbers. */ | |
16c381f0 | 1190 | tp->control.step_over_calls = STEP_OVER_NONE; |
c906108c SS |
1191 | } |
1192 | ||
243a9253 | 1193 | if (sm->skip_subroutines) |
16c381f0 | 1194 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1195 | |
243a9253 | 1196 | return 0; |
c906108c | 1197 | } |
243a9253 PA |
1198 | |
1199 | /* Done. */ | |
46e3ed7f | 1200 | sm->set_finished (); |
243a9253 | 1201 | return 1; |
c906108c | 1202 | } |
c2d11a7d | 1203 | |
c906108c SS |
1204 | \f |
1205 | /* Continue program at specified address. */ | |
1206 | ||
1207 | static void | |
0b39b52e | 1208 | jump_command (const char *arg, int from_tty) |
c906108c | 1209 | { |
5af949e3 | 1210 | struct gdbarch *gdbarch = get_current_arch (); |
52f0bd74 | 1211 | CORE_ADDR addr; |
c906108c SS |
1212 | struct symbol *fn; |
1213 | struct symbol *sfn; | |
6c4486e6 | 1214 | int async_exec; |
c5aa993b | 1215 | |
c906108c | 1216 | ERROR_NO_INFERIOR; |
573cda03 | 1217 | ensure_not_tfind_mode (); |
d729566a | 1218 | ensure_valid_thread (); |
94cc34af | 1219 | ensure_not_running (); |
c906108c | 1220 | |
1777feb0 | 1221 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1222 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1223 | arg = stripped.get (); | |
43ff13b4 | 1224 | |
8b88a78e | 1225 | prepare_execution_command (current_top_target (), async_exec); |
43ff13b4 | 1226 | |
c906108c | 1227 | if (!arg) |
e2e0b3e5 | 1228 | error_no_arg (_("starting address")); |
c906108c | 1229 | |
6c5b2ebe PA |
1230 | std::vector<symtab_and_line> sals |
1231 | = decode_line_with_last_displayed (arg, DECODE_LINE_FUNFIRSTLINE); | |
1232 | if (sals.size () != 1) | |
1233 | error (_("Unreasonable jump request")); | |
c906108c | 1234 | |
6c5b2ebe PA |
1235 | symtab_and_line &sal = sals[0]; |
1236 | ||
c906108c | 1237 | if (sal.symtab == 0 && sal.pc == 0) |
8a3fe4f8 | 1238 | error (_("No source file has been specified.")); |
c906108c | 1239 | |
1777feb0 | 1240 | resolve_sal_pc (&sal); /* May error out. */ |
c906108c | 1241 | |
1777feb0 | 1242 | /* See if we are trying to jump to another function. */ |
c906108c SS |
1243 | fn = get_frame_function (get_current_frame ()); |
1244 | sfn = find_pc_function (sal.pc); | |
1245 | if (fn != NULL && sfn != fn) | |
1246 | { | |
9e2f0ad4 | 1247 | if (!query (_("Line %d is not in `%s'. Jump anyway? "), sal.line, |
987012b8 | 1248 | fn->print_name ())) |
c906108c | 1249 | { |
8a3fe4f8 | 1250 | error (_("Not confirmed.")); |
c906108c SS |
1251 | /* NOTREACHED */ |
1252 | } | |
1253 | } | |
1254 | ||
c5aa993b | 1255 | if (sfn != NULL) |
c906108c | 1256 | { |
253342b8 DE |
1257 | struct obj_section *section; |
1258 | ||
c906108c | 1259 | fixup_symbol_section (sfn, 0); |
08be3fe3 | 1260 | section = SYMBOL_OBJ_SECTION (symbol_objfile (sfn), sfn); |
253342b8 DE |
1261 | if (section_is_overlay (section) |
1262 | && !section_is_mapped (section)) | |
c906108c | 1263 | { |
3e43a32a MS |
1264 | if (!query (_("WARNING!!! Destination is in " |
1265 | "unmapped overlay! Jump anyway? "))) | |
c906108c | 1266 | { |
8a3fe4f8 | 1267 | error (_("Not confirmed.")); |
c906108c SS |
1268 | /* NOTREACHED */ |
1269 | } | |
1270 | } | |
1271 | } | |
1272 | ||
c906108c SS |
1273 | addr = sal.pc; |
1274 | ||
1275 | if (from_tty) | |
1276 | { | |
a3f17187 | 1277 | printf_filtered (_("Continuing at ")); |
5af949e3 | 1278 | fputs_filtered (paddress (gdbarch, addr), gdb_stdout); |
c906108c SS |
1279 | printf_filtered (".\n"); |
1280 | } | |
1281 | ||
70509625 | 1282 | clear_proceed_status (0); |
64ce06e4 | 1283 | proceed (addr, GDB_SIGNAL_0); |
c906108c | 1284 | } |
c906108c | 1285 | \f |
c906108c SS |
1286 | /* Continue program giving it specified signal. */ |
1287 | ||
1288 | static void | |
0b39b52e | 1289 | signal_command (const char *signum_exp, int from_tty) |
c906108c | 1290 | { |
2ea28649 | 1291 | enum gdb_signal oursig; |
6c4486e6 | 1292 | int async_exec; |
c906108c SS |
1293 | |
1294 | dont_repeat (); /* Too dangerous. */ | |
1295 | ERROR_NO_INFERIOR; | |
573cda03 | 1296 | ensure_not_tfind_mode (); |
d729566a | 1297 | ensure_valid_thread (); |
94cc34af | 1298 | ensure_not_running (); |
c906108c | 1299 | |
32c1e744 | 1300 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1301 | gdb::unique_xmalloc_ptr<char> stripped |
1302 | = strip_bg_char (signum_exp, &async_exec); | |
1303 | signum_exp = stripped.get (); | |
32c1e744 | 1304 | |
8b88a78e | 1305 | prepare_execution_command (current_top_target (), async_exec); |
32c1e744 | 1306 | |
c906108c | 1307 | if (!signum_exp) |
e2e0b3e5 | 1308 | error_no_arg (_("signal number")); |
c906108c SS |
1309 | |
1310 | /* It would be even slicker to make signal names be valid expressions, | |
1311 | (the type could be "enum $signal" or some such), then the user could | |
1312 | assign them to convenience variables. */ | |
2ea28649 | 1313 | oursig = gdb_signal_from_name (signum_exp); |
c906108c | 1314 | |
a493e3e2 | 1315 | if (oursig == GDB_SIGNAL_UNKNOWN) |
c906108c SS |
1316 | { |
1317 | /* No, try numeric. */ | |
bb518678 | 1318 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1319 | |
1320 | if (num == 0) | |
a493e3e2 | 1321 | oursig = GDB_SIGNAL_0; |
c906108c | 1322 | else |
2ea28649 | 1323 | oursig = gdb_signal_from_command (num); |
c906108c SS |
1324 | } |
1325 | ||
70509625 PA |
1326 | /* Look for threads other than the current that this command ends up |
1327 | resuming too (due to schedlock off), and warn if they'll get a | |
1328 | signal delivered. "signal 0" is used to suppress a previous | |
1329 | signal, but if the current thread is no longer the one that got | |
1330 | the signal, then the user is potentially suppressing the signal | |
1331 | of the wrong thread. */ | |
1332 | if (!non_stop) | |
1333 | { | |
70509625 PA |
1334 | int must_confirm = 0; |
1335 | ||
1336 | /* This indicates what will be resumed. Either a single thread, | |
1337 | a whole process, or all threads of all processes. */ | |
08036331 | 1338 | ptid_t resume_ptid = user_visible_resume_ptid (0); |
5b6d1e4f PA |
1339 | process_stratum_target *resume_target |
1340 | = user_visible_resume_target (resume_ptid); | |
70509625 | 1341 | |
5b6d1e4f PA |
1342 | thread_info *current = inferior_thread (); |
1343 | ||
1344 | for (thread_info *tp : all_non_exited_threads (resume_target, resume_ptid)) | |
70509625 | 1345 | { |
5b6d1e4f | 1346 | if (tp == current) |
70509625 | 1347 | continue; |
70509625 PA |
1348 | |
1349 | if (tp->suspend.stop_signal != GDB_SIGNAL_0 | |
1350 | && signal_pass_state (tp->suspend.stop_signal)) | |
1351 | { | |
1352 | if (!must_confirm) | |
1353 | printf_unfiltered (_("Note:\n")); | |
43792cf0 PA |
1354 | printf_unfiltered (_(" Thread %s previously stopped with signal %s, %s.\n"), |
1355 | print_thread_id (tp), | |
70509625 PA |
1356 | gdb_signal_to_name (tp->suspend.stop_signal), |
1357 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
1358 | must_confirm = 1; | |
1359 | } | |
1360 | } | |
1361 | ||
1362 | if (must_confirm | |
43792cf0 | 1363 | && !query (_("Continuing thread %s (the current thread) with specified signal will\n" |
70509625 PA |
1364 | "still deliver the signals noted above to their respective threads.\n" |
1365 | "Continue anyway? "), | |
43792cf0 | 1366 | print_thread_id (inferior_thread ()))) |
70509625 PA |
1367 | error (_("Not confirmed.")); |
1368 | } | |
1369 | ||
c906108c SS |
1370 | if (from_tty) |
1371 | { | |
a493e3e2 | 1372 | if (oursig == GDB_SIGNAL_0) |
a3f17187 | 1373 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1374 | else |
a3f17187 | 1375 | printf_filtered (_("Continuing with signal %s.\n"), |
2ea28649 | 1376 | gdb_signal_to_name (oursig)); |
c906108c SS |
1377 | } |
1378 | ||
70509625 | 1379 | clear_proceed_status (0); |
64ce06e4 | 1380 | proceed ((CORE_ADDR) -1, oursig); |
c906108c SS |
1381 | } |
1382 | ||
81219e53 DE |
1383 | /* Queue a signal to be delivered to the current thread. */ |
1384 | ||
1385 | static void | |
0b39b52e | 1386 | queue_signal_command (const char *signum_exp, int from_tty) |
81219e53 DE |
1387 | { |
1388 | enum gdb_signal oursig; | |
1389 | struct thread_info *tp; | |
1390 | ||
1391 | ERROR_NO_INFERIOR; | |
1392 | ensure_not_tfind_mode (); | |
1393 | ensure_valid_thread (); | |
1394 | ensure_not_running (); | |
1395 | ||
1396 | if (signum_exp == NULL) | |
1397 | error_no_arg (_("signal number")); | |
1398 | ||
1399 | /* It would be even slicker to make signal names be valid expressions, | |
1400 | (the type could be "enum $signal" or some such), then the user could | |
1401 | assign them to convenience variables. */ | |
1402 | oursig = gdb_signal_from_name (signum_exp); | |
1403 | ||
1404 | if (oursig == GDB_SIGNAL_UNKNOWN) | |
1405 | { | |
1406 | /* No, try numeric. */ | |
1407 | int num = parse_and_eval_long (signum_exp); | |
1408 | ||
1409 | if (num == 0) | |
1410 | oursig = GDB_SIGNAL_0; | |
1411 | else | |
1412 | oursig = gdb_signal_from_command (num); | |
1413 | } | |
1414 | ||
1415 | if (oursig != GDB_SIGNAL_0 | |
1416 | && !signal_pass_state (oursig)) | |
1417 | error (_("Signal handling set to not pass this signal to the program.")); | |
1418 | ||
1419 | tp = inferior_thread (); | |
1420 | tp->suspend.stop_signal = oursig; | |
1421 | } | |
1422 | ||
cfc31633 PA |
1423 | /* Data for the FSM that manages the until (with no argument) |
1424 | command. */ | |
1425 | ||
46e3ed7f | 1426 | struct until_next_fsm : public thread_fsm |
fa4cd53f | 1427 | { |
cfc31633 | 1428 | /* The thread that as current when the command was executed. */ |
fa4cd53f | 1429 | int thread; |
cfc31633 | 1430 | |
46e3ed7f TT |
1431 | until_next_fsm (struct interp *cmd_interp, int thread) |
1432 | : thread_fsm (cmd_interp), | |
1433 | thread (thread) | |
1434 | { | |
1435 | } | |
cfc31633 | 1436 | |
46e3ed7f TT |
1437 | bool should_stop (struct thread_info *thread) override; |
1438 | void clean_up (struct thread_info *thread) override; | |
1439 | enum async_reply_reason do_async_reply_reason () override; | |
cfc31633 PA |
1440 | }; |
1441 | ||
cfc31633 PA |
1442 | /* Implementation of the 'should_stop' FSM method for the until (with |
1443 | no arg) command. */ | |
1444 | ||
46e3ed7f TT |
1445 | bool |
1446 | until_next_fsm::should_stop (struct thread_info *tp) | |
cfc31633 | 1447 | { |
cfc31633 | 1448 | if (tp->control.stop_step) |
46e3ed7f | 1449 | set_finished (); |
cfc31633 | 1450 | |
46e3ed7f | 1451 | return true; |
cfc31633 PA |
1452 | } |
1453 | ||
1454 | /* Implementation of the 'clean_up' FSM method for the until (with no | |
1455 | arg) command. */ | |
186c406b | 1456 | |
46e3ed7f TT |
1457 | void |
1458 | until_next_fsm::clean_up (struct thread_info *thread) | |
186c406b | 1459 | { |
8980e177 | 1460 | delete_longjmp_breakpoint (thread->global_num); |
cfc31633 PA |
1461 | } |
1462 | ||
1463 | /* Implementation of the 'async_reply_reason' FSM method for the until | |
1464 | (with no arg) command. */ | |
1465 | ||
46e3ed7f TT |
1466 | enum async_reply_reason |
1467 | until_next_fsm::do_async_reply_reason () | |
cfc31633 PA |
1468 | { |
1469 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
186c406b TT |
1470 | } |
1471 | ||
c906108c SS |
1472 | /* Proceed until we reach a different source line with pc greater than |
1473 | our current one or exit the function. We skip calls in both cases. | |
1474 | ||
1475 | Note that eventually this command should probably be changed so | |
1476 | that only source lines are printed out when we hit the breakpoint | |
1477 | we set. This may involve changes to wait_for_inferior and the | |
1478 | proceed status code. */ | |
1479 | ||
c906108c | 1480 | static void |
fba45db2 | 1481 | until_next_command (int from_tty) |
c906108c SS |
1482 | { |
1483 | struct frame_info *frame; | |
1484 | CORE_ADDR pc; | |
1485 | struct symbol *func; | |
1486 | struct symtab_and_line sal; | |
4e1c45ea | 1487 | struct thread_info *tp = inferior_thread (); |
5d5658a1 | 1488 | int thread = tp->global_num; |
cfc31633 | 1489 | struct until_next_fsm *sm; |
c5aa993b | 1490 | |
70509625 | 1491 | clear_proceed_status (0); |
29734269 | 1492 | set_step_frame (tp); |
c906108c SS |
1493 | |
1494 | frame = get_current_frame (); | |
1495 | ||
1496 | /* Step until either exited from this function or greater | |
1497 | than the current line (if in symbolic section) or pc (if | |
1777feb0 | 1498 | not). */ |
c906108c | 1499 | |
1c7819ef | 1500 | pc = get_frame_pc (frame); |
c906108c | 1501 | func = find_pc_function (pc); |
c5aa993b | 1502 | |
c906108c SS |
1503 | if (!func) |
1504 | { | |
7cbd4a93 | 1505 | struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (pc); |
c5aa993b | 1506 | |
7cbd4a93 | 1507 | if (msymbol.minsym == NULL) |
8a3fe4f8 | 1508 | error (_("Execution is not within a known function.")); |
c5aa993b | 1509 | |
77e371c0 | 1510 | tp->control.step_range_start = BMSYMBOL_VALUE_ADDRESS (msymbol); |
7e09a223 YQ |
1511 | /* The upper-bound of step_range is exclusive. In order to make PC |
1512 | within the range, set the step_range_end with PC + 1. */ | |
1513 | tp->control.step_range_end = pc + 1; | |
c906108c SS |
1514 | } |
1515 | else | |
1516 | { | |
1517 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1518 | |
2b1ffcfd | 1519 | tp->control.step_range_start = BLOCK_ENTRY_PC (SYMBOL_BLOCK_VALUE (func)); |
16c381f0 | 1520 | tp->control.step_range_end = sal.end; |
c906108c | 1521 | } |
c1e36e3e | 1522 | tp->control.may_range_step = 1; |
c5aa993b | 1523 | |
16c381f0 | 1524 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1525 | |
186c406b | 1526 | set_longjmp_breakpoint (tp, get_frame_id (frame)); |
5419bdae | 1527 | delete_longjmp_breakpoint_cleanup lj_deleter (thread); |
186c406b | 1528 | |
46e3ed7f TT |
1529 | sm = new until_next_fsm (command_interp (), tp->global_num); |
1530 | tp->thread_fsm = sm; | |
5419bdae | 1531 | lj_deleter.release (); |
fa4cd53f | 1532 | |
cfc31633 | 1533 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
c906108c SS |
1534 | } |
1535 | ||
c5aa993b | 1536 | static void |
0b39b52e | 1537 | until_command (const char *arg, int from_tty) |
c906108c | 1538 | { |
6c4486e6 | 1539 | int async_exec; |
43ff13b4 | 1540 | |
4247603b | 1541 | ERROR_NO_INFERIOR; |
573cda03 | 1542 | ensure_not_tfind_mode (); |
4247603b PA |
1543 | ensure_valid_thread (); |
1544 | ensure_not_running (); | |
573cda03 | 1545 | |
1777feb0 | 1546 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1547 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1548 | arg = stripped.get (); | |
43ff13b4 | 1549 | |
8b88a78e | 1550 | prepare_execution_command (current_top_target (), async_exec); |
43ff13b4 | 1551 | |
c906108c | 1552 | if (arg) |
ae66c1fc | 1553 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1554 | else |
1555 | until_next_command (from_tty); | |
1556 | } | |
ae66c1fc EZ |
1557 | |
1558 | static void | |
0b39b52e | 1559 | advance_command (const char *arg, int from_tty) |
ae66c1fc | 1560 | { |
6c4486e6 | 1561 | int async_exec; |
ae66c1fc | 1562 | |
4247603b | 1563 | ERROR_NO_INFERIOR; |
573cda03 | 1564 | ensure_not_tfind_mode (); |
4247603b PA |
1565 | ensure_valid_thread (); |
1566 | ensure_not_running (); | |
573cda03 | 1567 | |
ae66c1fc | 1568 | if (arg == NULL) |
e2e0b3e5 | 1569 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1570 | |
1571 | /* Find out whether we must run in the background. */ | |
6be9a197 TT |
1572 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1573 | arg = stripped.get (); | |
ae66c1fc | 1574 | |
8b88a78e | 1575 | prepare_execution_command (current_top_target (), async_exec); |
ae66c1fc EZ |
1576 | |
1577 | until_break_command (arg, from_tty, 1); | |
1578 | } | |
c906108c | 1579 | \f |
cc72b2a2 | 1580 | /* Return the value of the result of a function at the end of a 'finish' |
8a6c4031 JK |
1581 | command/BP. DTOR_DATA (if not NULL) can represent inferior registers |
1582 | right after an inferior call has finished. */ | |
f941662f | 1583 | |
cc72b2a2 | 1584 | struct value * |
0700e23e | 1585 | get_return_value (struct value *function, struct type *value_type) |
11cf8741 | 1586 | { |
215c69dc YQ |
1587 | regcache *stop_regs = get_current_regcache (); |
1588 | struct gdbarch *gdbarch = stop_regs->arch (); | |
44e5158b AC |
1589 | struct value *value; |
1590 | ||
f168693b | 1591 | value_type = check_typedef (value_type); |
44e5158b | 1592 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1593 | |
92ad9cd9 AC |
1594 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1595 | call, it's possible (with no help from the architecture vector) | |
1596 | to locate and return/print a "struct return" value. This is just | |
7a9dd1b2 | 1597 | a more complicated case of what is already being done in the |
92ad9cd9 AC |
1598 | inferior function call code. In fact, when inferior function |
1599 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1600 | |
6a3a010b | 1601 | switch (gdbarch_return_value (gdbarch, function, value_type, |
c055b101 | 1602 | NULL, NULL, NULL)) |
44e5158b | 1603 | { |
750eb019 AC |
1604 | case RETURN_VALUE_REGISTER_CONVENTION: |
1605 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1606 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1607 | value = allocate_value (value_type); |
215c69dc | 1608 | gdbarch_return_value (gdbarch, function, value_type, stop_regs, |
990a07ab | 1609 | value_contents_raw (value), NULL); |
750eb019 AC |
1610 | break; |
1611 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1612 | value = NULL; | |
1613 | break; | |
1614 | default: | |
e2e0b3e5 | 1615 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1616 | } |
bb472c1e | 1617 | |
cc72b2a2 KP |
1618 | return value; |
1619 | } | |
1620 | ||
243a9253 PA |
1621 | /* The captured function return value/type and its position in the |
1622 | value history. */ | |
cc72b2a2 | 1623 | |
243a9253 | 1624 | struct return_value_info |
cc72b2a2 | 1625 | { |
243a9253 PA |
1626 | /* The captured return value. May be NULL if we weren't able to |
1627 | retrieve it. See get_return_value. */ | |
1628 | struct value *value; | |
1629 | ||
1630 | /* The return type. In some cases, we'll not be able extract the | |
1631 | return value, but we always know the type. */ | |
1632 | struct type *type; | |
1633 | ||
1634 | /* If we captured a value, this is the value history index. */ | |
1635 | int value_history_index; | |
1636 | }; | |
1637 | ||
1638 | /* Helper for print_return_value. */ | |
cc72b2a2 | 1639 | |
243a9253 PA |
1640 | static void |
1641 | print_return_value_1 (struct ui_out *uiout, struct return_value_info *rv) | |
1642 | { | |
1643 | if (rv->value != NULL) | |
31db7b6c | 1644 | { |
79a45b7d TT |
1645 | struct value_print_options opts; |
1646 | ||
31db7b6c | 1647 | /* Print it. */ |
112e8700 SM |
1648 | uiout->text ("Value returned is "); |
1649 | uiout->field_fmt ("gdb-result-var", "$%d", | |
d7e74731 | 1650 | rv->value_history_index); |
112e8700 | 1651 | uiout->text (" = "); |
5d9a0608 | 1652 | get_user_print_options (&opts); |
d7e74731 | 1653 | |
000439d5 TT |
1654 | if (opts.finish_print) |
1655 | { | |
1656 | string_file stb; | |
1657 | value_print (rv->value, &stb, &opts); | |
1658 | uiout->field_stream ("return-value", stb); | |
1659 | } | |
1660 | else | |
7f6aba03 TT |
1661 | uiout->field_string ("return-value", _("<not displayed>"), |
1662 | metadata_style.style ()); | |
112e8700 | 1663 | uiout->text ("\n"); |
31db7b6c MK |
1664 | } |
1665 | else | |
1666 | { | |
2f408ecb | 1667 | std::string type_name = type_to_string (rv->type); |
112e8700 SM |
1668 | uiout->text ("Value returned has type: "); |
1669 | uiout->field_string ("return-type", type_name.c_str ()); | |
1670 | uiout->text ("."); | |
1671 | uiout->text (" Cannot determine contents\n"); | |
31db7b6c | 1672 | } |
11cf8741 JM |
1673 | } |
1674 | ||
243a9253 PA |
1675 | /* Print the result of a function at the end of a 'finish' command. |
1676 | RV points at an object representing the captured return value/type | |
1677 | and its position in the value history. */ | |
1678 | ||
1679 | void | |
1680 | print_return_value (struct ui_out *uiout, struct return_value_info *rv) | |
1681 | { | |
f097f5ad TT |
1682 | if (rv->type == NULL |
1683 | || TYPE_CODE (check_typedef (rv->type)) == TYPE_CODE_VOID) | |
243a9253 PA |
1684 | return; |
1685 | ||
a70b8144 | 1686 | try |
243a9253 PA |
1687 | { |
1688 | /* print_return_value_1 can throw an exception in some | |
1689 | circumstances. We need to catch this so that we still | |
1690 | delete the breakpoint. */ | |
1691 | print_return_value_1 (uiout, rv); | |
1692 | } | |
230d2906 | 1693 | catch (const gdb_exception &ex) |
243a9253 PA |
1694 | { |
1695 | exception_print (gdb_stdout, ex); | |
1696 | } | |
243a9253 PA |
1697 | } |
1698 | ||
1699 | /* Data for the FSM that manages the finish command. */ | |
f941662f | 1700 | |
46e3ed7f | 1701 | struct finish_command_fsm : public thread_fsm |
43ff13b4 | 1702 | { |
243a9253 PA |
1703 | /* The momentary breakpoint set at the function's return address in |
1704 | the caller. */ | |
46e3ed7f | 1705 | breakpoint_up breakpoint; |
243a9253 PA |
1706 | |
1707 | /* The function that we're stepping out of. */ | |
46e3ed7f | 1708 | struct symbol *function = nullptr; |
8a6c4031 | 1709 | |
243a9253 PA |
1710 | /* If the FSM finishes successfully, this stores the function's |
1711 | return value. */ | |
46e3ed7f | 1712 | struct return_value_info return_value_info {}; |
c5aa993b | 1713 | |
46e3ed7f TT |
1714 | explicit finish_command_fsm (struct interp *cmd_interp) |
1715 | : thread_fsm (cmd_interp) | |
1716 | { | |
1717 | } | |
243a9253 | 1718 | |
46e3ed7f TT |
1719 | bool should_stop (struct thread_info *thread) override; |
1720 | void clean_up (struct thread_info *thread) override; | |
1721 | struct return_value_info *return_value () override; | |
1722 | enum async_reply_reason do_async_reply_reason () override; | |
1723 | }; | |
347bddb7 | 1724 | |
243a9253 PA |
1725 | /* Implementation of the 'should_stop' FSM method for the finish |
1726 | commands. Detects whether the thread stepped out of the function | |
1727 | successfully, and if so, captures the function's return value and | |
1728 | marks the FSM finished. */ | |
1729 | ||
46e3ed7f TT |
1730 | bool |
1731 | finish_command_fsm::should_stop (struct thread_info *tp) | |
243a9253 | 1732 | { |
46e3ed7f | 1733 | struct return_value_info *rv = &return_value_info; |
243a9253 | 1734 | |
46e3ed7f | 1735 | if (function != NULL |
243a9253 | 1736 | && bpstat_find_breakpoint (tp->control.stop_bpstat, |
46e3ed7f | 1737 | breakpoint.get ()) != NULL) |
43ff13b4 | 1738 | { |
243a9253 | 1739 | /* We're done. */ |
46e3ed7f | 1740 | set_finished (); |
bfec99b2 | 1741 | |
46e3ed7f | 1742 | rv->type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); |
243a9253 PA |
1743 | if (rv->type == NULL) |
1744 | internal_error (__FILE__, __LINE__, | |
1745 | _("finish_command: function has no target type")); | |
f5871ec0 | 1746 | |
f097f5ad | 1747 | if (TYPE_CODE (check_typedef (rv->type)) != TYPE_CODE_VOID) |
40c549d6 | 1748 | { |
243a9253 PA |
1749 | struct value *func; |
1750 | ||
46e3ed7f | 1751 | func = read_var_value (function, NULL, get_current_frame ()); |
0700e23e | 1752 | rv->value = get_return_value (func, rv->type); |
aca20ec4 KB |
1753 | if (rv->value != NULL) |
1754 | rv->value_history_index = record_latest_value (rv->value); | |
243a9253 PA |
1755 | } |
1756 | } | |
1757 | else if (tp->control.stop_step) | |
1758 | { | |
1759 | /* Finishing from an inline frame, or reverse finishing. In | |
1760 | either case, there's no way to retrieve the return value. */ | |
46e3ed7f | 1761 | set_finished (); |
243a9253 | 1762 | } |
fa4cd53f | 1763 | |
46e3ed7f | 1764 | return true; |
243a9253 | 1765 | } |
40c549d6 | 1766 | |
243a9253 PA |
1767 | /* Implementation of the 'clean_up' FSM method for the finish |
1768 | commands. */ | |
fa4cd53f | 1769 | |
46e3ed7f TT |
1770 | void |
1771 | finish_command_fsm::clean_up (struct thread_info *thread) | |
243a9253 | 1772 | { |
46e3ed7f | 1773 | breakpoint.reset (); |
8980e177 | 1774 | delete_longjmp_breakpoint (thread->global_num); |
243a9253 | 1775 | } |
f941662f | 1776 | |
243a9253 PA |
1777 | /* Implementation of the 'return_value' FSM method for the finish |
1778 | commands. */ | |
1779 | ||
46e3ed7f TT |
1780 | struct return_value_info * |
1781 | finish_command_fsm::return_value () | |
243a9253 | 1782 | { |
46e3ed7f | 1783 | return &return_value_info; |
43ff13b4 JM |
1784 | } |
1785 | ||
243a9253 PA |
1786 | /* Implementation of the 'async_reply_reason' FSM method for the |
1787 | finish commands. */ | |
1788 | ||
46e3ed7f TT |
1789 | enum async_reply_reason |
1790 | finish_command_fsm::do_async_reply_reason () | |
604ead4a | 1791 | { |
243a9253 PA |
1792 | if (execution_direction == EXEC_REVERSE) |
1793 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
1794 | else | |
1795 | return EXEC_ASYNC_FUNCTION_FINISHED; | |
604ead4a PA |
1796 | } |
1797 | ||
b2175913 MS |
1798 | /* finish_backward -- helper function for finish_command. */ |
1799 | ||
1800 | static void | |
243a9253 | 1801 | finish_backward (struct finish_command_fsm *sm) |
b2175913 MS |
1802 | { |
1803 | struct symtab_and_line sal; | |
1804 | struct thread_info *tp = inferior_thread (); | |
1c7819ef | 1805 | CORE_ADDR pc; |
b2175913 | 1806 | CORE_ADDR func_addr; |
b2175913 | 1807 | |
1c7819ef PA |
1808 | pc = get_frame_pc (get_current_frame ()); |
1809 | ||
1810 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL) == 0) | |
1f267ae3 | 1811 | error (_("Cannot find bounds of current function")); |
b2175913 MS |
1812 | |
1813 | sal = find_pc_line (func_addr, 0); | |
1814 | ||
9da8c2a0 | 1815 | tp->control.proceed_to_finish = 1; |
b2175913 MS |
1816 | /* Special case: if we're sitting at the function entry point, |
1817 | then all we need to do is take a reverse singlestep. We | |
1818 | don't need to set a breakpoint, and indeed it would do us | |
1819 | no good to do so. | |
1820 | ||
1821 | Note that this can only happen at frame #0, since there's | |
1822 | no way that a function up the stack can have a return address | |
1823 | that's equal to its entry point. */ | |
1824 | ||
1c7819ef | 1825 | if (sal.pc != pc) |
b2175913 | 1826 | { |
a6d9a66e UW |
1827 | struct frame_info *frame = get_selected_frame (NULL); |
1828 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
9da8c2a0 PA |
1829 | |
1830 | /* Set a step-resume at the function's entry point. Once that's | |
1831 | hit, we'll do one more step backwards. */ | |
51abb421 | 1832 | symtab_and_line sr_sal; |
9da8c2a0 PA |
1833 | sr_sal.pc = sal.pc; |
1834 | sr_sal.pspace = get_frame_program_space (frame); | |
1835 | insert_step_resume_breakpoint_at_sal (gdbarch, | |
1836 | sr_sal, null_frame_id); | |
a6d9a66e | 1837 | |
64ce06e4 | 1838 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 MS |
1839 | } |
1840 | else | |
b2175913 | 1841 | { |
9da8c2a0 PA |
1842 | /* We're almost there -- we just need to back up by one more |
1843 | single-step. */ | |
16c381f0 | 1844 | tp->control.step_range_start = tp->control.step_range_end = 1; |
64ce06e4 | 1845 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 | 1846 | } |
b2175913 MS |
1847 | } |
1848 | ||
243a9253 PA |
1849 | /* finish_forward -- helper function for finish_command. FRAME is the |
1850 | frame that called the function we're about to step out of. */ | |
b2175913 MS |
1851 | |
1852 | static void | |
243a9253 | 1853 | finish_forward (struct finish_command_fsm *sm, struct frame_info *frame) |
b2175913 | 1854 | { |
def166f6 | 1855 | struct frame_id frame_id = get_frame_id (frame); |
a6d9a66e | 1856 | struct gdbarch *gdbarch = get_frame_arch (frame); |
b2175913 MS |
1857 | struct symtab_and_line sal; |
1858 | struct thread_info *tp = inferior_thread (); | |
b2175913 MS |
1859 | |
1860 | sal = find_pc_line (get_frame_pc (frame), 0); | |
1861 | sal.pc = get_frame_pc (frame); | |
1862 | ||
243a9253 PA |
1863 | sm->breakpoint = set_momentary_breakpoint (gdbarch, sal, |
1864 | get_stack_frame_id (frame), | |
46e3ed7f | 1865 | bp_finish); |
b2175913 | 1866 | |
c70a6932 JK |
1867 | /* set_momentary_breakpoint invalidates FRAME. */ |
1868 | frame = NULL; | |
1869 | ||
def166f6 | 1870 | set_longjmp_breakpoint (tp, frame_id); |
186c406b | 1871 | |
46c03469 | 1872 | /* We want to print return value, please... */ |
16c381f0 | 1873 | tp->control.proceed_to_finish = 1; |
b2175913 | 1874 | |
243a9253 | 1875 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 MS |
1876 | } |
1877 | ||
e3b5daf9 MM |
1878 | /* Skip frames for "finish". */ |
1879 | ||
1880 | static struct frame_info * | |
1881 | skip_finish_frames (struct frame_info *frame) | |
1882 | { | |
1883 | struct frame_info *start; | |
1884 | ||
1885 | do | |
1886 | { | |
1887 | start = frame; | |
1888 | ||
1889 | frame = skip_tailcall_frames (frame); | |
1890 | if (frame == NULL) | |
1891 | break; | |
1892 | ||
1893 | frame = skip_unwritable_frames (frame); | |
1894 | if (frame == NULL) | |
1895 | break; | |
1896 | } | |
1897 | while (start != frame); | |
1898 | ||
1899 | return frame; | |
1900 | } | |
1901 | ||
f941662f MK |
1902 | /* "finish": Set a temporary breakpoint at the place the selected |
1903 | frame will return to, then continue. */ | |
c906108c SS |
1904 | |
1905 | static void | |
0b39b52e | 1906 | finish_command (const char *arg, int from_tty) |
c906108c | 1907 | { |
52f0bd74 | 1908 | struct frame_info *frame; |
6c4486e6 | 1909 | int async_exec; |
243a9253 PA |
1910 | struct finish_command_fsm *sm; |
1911 | struct thread_info *tp; | |
43ff13b4 | 1912 | |
4247603b | 1913 | ERROR_NO_INFERIOR; |
573cda03 | 1914 | ensure_not_tfind_mode (); |
4247603b PA |
1915 | ensure_valid_thread (); |
1916 | ensure_not_running (); | |
573cda03 | 1917 | |
f941662f | 1918 | /* Find out whether we must run in the background. */ |
6be9a197 TT |
1919 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (arg, &async_exec); |
1920 | arg = stripped.get (); | |
43ff13b4 | 1921 | |
8b88a78e | 1922 | prepare_execution_command (current_top_target (), async_exec); |
c906108c SS |
1923 | |
1924 | if (arg) | |
8a3fe4f8 | 1925 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1926 | |
206415a3 | 1927 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 1928 | if (frame == 0) |
8a3fe4f8 | 1929 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c | 1930 | |
70509625 | 1931 | clear_proceed_status (0); |
c906108c | 1932 | |
243a9253 PA |
1933 | tp = inferior_thread (); |
1934 | ||
46e3ed7f | 1935 | sm = new finish_command_fsm (command_interp ()); |
243a9253 | 1936 | |
46e3ed7f | 1937 | tp->thread_fsm = sm; |
243a9253 | 1938 | |
edb3359d | 1939 | /* Finishing from an inline frame is completely different. We don't |
243a9253 | 1940 | try to show the "return value" - no way to locate it. */ |
edb3359d DJ |
1941 | if (get_frame_type (get_selected_frame (_("No selected frame."))) |
1942 | == INLINE_FRAME) | |
1943 | { | |
1944 | /* Claim we are stepping in the calling frame. An empty step | |
1945 | range means that we will stop once we aren't in a function | |
1946 | called by that frame. We don't use the magic "1" value for | |
1947 | step_range_end, because then infrun will think this is nexti, | |
1948 | and not step over the rest of this inlined function call. */ | |
29734269 | 1949 | set_step_info (tp, frame, {}); |
16c381f0 JK |
1950 | tp->control.step_range_start = get_frame_pc (frame); |
1951 | tp->control.step_range_end = tp->control.step_range_start; | |
1952 | tp->control.step_over_calls = STEP_OVER_ALL; | |
edb3359d DJ |
1953 | |
1954 | /* Print info on the selected frame, including level number but not | |
1955 | source. */ | |
1956 | if (from_tty) | |
1957 | { | |
1958 | printf_filtered (_("Run till exit from ")); | |
08d72866 | 1959 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
edb3359d DJ |
1960 | } |
1961 | ||
64ce06e4 | 1962 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
edb3359d DJ |
1963 | return; |
1964 | } | |
1965 | ||
c906108c SS |
1966 | /* Find the function we will return from. */ |
1967 | ||
243a9253 | 1968 | sm->function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 1969 | |
f941662f MK |
1970 | /* Print info on the selected frame, including level number but not |
1971 | source. */ | |
c906108c SS |
1972 | if (from_tty) |
1973 | { | |
b2175913 MS |
1974 | if (execution_direction == EXEC_REVERSE) |
1975 | printf_filtered (_("Run back to call of ")); | |
1976 | else | |
743649fd | 1977 | { |
243a9253 | 1978 | if (sm->function != NULL && TYPE_NO_RETURN (sm->function->type) |
743649fd MW |
1979 | && !query (_("warning: Function %s does not return normally.\n" |
1980 | "Try to finish anyway? "), | |
987012b8 | 1981 | sm->function->print_name ())) |
743649fd MW |
1982 | error (_("Not confirmed.")); |
1983 | printf_filtered (_("Run till exit from ")); | |
1984 | } | |
b2175913 | 1985 | |
08d72866 | 1986 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
c906108c SS |
1987 | } |
1988 | ||
b2175913 | 1989 | if (execution_direction == EXEC_REVERSE) |
243a9253 | 1990 | finish_backward (sm); |
b2175913 | 1991 | else |
33b4777c | 1992 | { |
e3b5daf9 | 1993 | frame = skip_finish_frames (frame); |
7eb89530 | 1994 | |
33b4777c MM |
1995 | if (frame == NULL) |
1996 | error (_("Cannot find the caller frame.")); | |
1997 | ||
1998 | finish_forward (sm, frame); | |
1999 | } | |
c906108c SS |
2000 | } |
2001 | \f | |
f941662f | 2002 | |
c906108c | 2003 | static void |
1d12d88f | 2004 | info_program_command (const char *args, int from_tty) |
c906108c | 2005 | { |
347bddb7 PA |
2006 | bpstat bs; |
2007 | int num, stat; | |
347bddb7 | 2008 | ptid_t ptid; |
5b6d1e4f | 2009 | process_stratum_target *proc_target; |
c5aa993b | 2010 | |
c906108c SS |
2011 | if (!target_has_execution) |
2012 | { | |
a3f17187 | 2013 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
2014 | return; |
2015 | } | |
2016 | ||
347bddb7 | 2017 | if (non_stop) |
5b6d1e4f PA |
2018 | { |
2019 | ptid = inferior_ptid; | |
2020 | proc_target = current_inferior ()->process_target (); | |
2021 | } | |
347bddb7 | 2022 | else |
5b6d1e4f | 2023 | get_last_target_status (&proc_target, &ptid, nullptr); |
347bddb7 | 2024 | |
9e7f3bbb | 2025 | if (ptid == null_ptid || ptid == minus_one_ptid) |
00431a78 PA |
2026 | error (_("No selected thread.")); |
2027 | ||
5b6d1e4f | 2028 | thread_info *tp = find_thread_ptid (proc_target, ptid); |
00431a78 PA |
2029 | |
2030 | if (tp->state == THREAD_EXITED) | |
347bddb7 | 2031 | error (_("Invalid selected thread.")); |
00431a78 | 2032 | else if (tp->state == THREAD_RUNNING) |
347bddb7 PA |
2033 | error (_("Selected thread is running.")); |
2034 | ||
16c381f0 | 2035 | bs = tp->control.stop_bpstat; |
347bddb7 PA |
2036 | stat = bpstat_num (&bs, &num); |
2037 | ||
c906108c | 2038 | target_files_info (); |
5af949e3 | 2039 | printf_filtered (_("Program stopped at %s.\n"), |
f2ffa92b | 2040 | paddress (target_gdbarch (), tp->suspend.stop_pc)); |
16c381f0 | 2041 | if (tp->control.stop_step) |
a3f17187 | 2042 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 2043 | else if (stat != 0) |
c906108c SS |
2044 | { |
2045 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 2046 | isn't as strange as it seems. */ |
8671a17b | 2047 | while (stat != 0) |
c906108c | 2048 | { |
8671a17b | 2049 | if (stat < 0) |
c906108c | 2050 | { |
3e43a32a MS |
2051 | printf_filtered (_("It stopped at a breakpoint " |
2052 | "that has since been deleted.\n")); | |
c906108c SS |
2053 | } |
2054 | else | |
a3f17187 | 2055 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 2056 | stat = bpstat_num (&bs, &num); |
c906108c SS |
2057 | } |
2058 | } | |
a493e3e2 | 2059 | else if (tp->suspend.stop_signal != GDB_SIGNAL_0) |
c906108c | 2060 | { |
a3f17187 | 2061 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
2ea28649 PA |
2062 | gdb_signal_to_name (tp->suspend.stop_signal), |
2063 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
c906108c SS |
2064 | } |
2065 | ||
0d41ba00 | 2066 | if (from_tty) |
c906108c | 2067 | { |
3e43a32a MS |
2068 | printf_filtered (_("Type \"info stack\" or \"info " |
2069 | "registers\" for more information.\n")); | |
c906108c SS |
2070 | } |
2071 | } | |
2072 | \f | |
2073 | static void | |
69f476a3 | 2074 | environment_info (const char *var, int from_tty) |
c906108c SS |
2075 | { |
2076 | if (var) | |
2077 | { | |
9a6c7d9c | 2078 | const char *val = current_inferior ()->environment.get (var); |
abbb1732 | 2079 | |
c906108c SS |
2080 | if (val) |
2081 | { | |
2082 | puts_filtered (var); | |
2083 | puts_filtered (" = "); | |
2084 | puts_filtered (val); | |
2085 | puts_filtered ("\n"); | |
2086 | } | |
2087 | else | |
2088 | { | |
2089 | puts_filtered ("Environment variable \""); | |
2090 | puts_filtered (var); | |
2091 | puts_filtered ("\" not defined.\n"); | |
2092 | } | |
2093 | } | |
2094 | else | |
2095 | { | |
9a6c7d9c | 2096 | char **envp = current_inferior ()->environment.envp (); |
abbb1732 | 2097 | |
9a6c7d9c | 2098 | for (int idx = 0; envp[idx] != NULL; ++idx) |
c906108c | 2099 | { |
9a6c7d9c | 2100 | puts_filtered (envp[idx]); |
c906108c SS |
2101 | puts_filtered ("\n"); |
2102 | } | |
2103 | } | |
2104 | } | |
2105 | ||
2106 | static void | |
69f476a3 | 2107 | set_environment_command (const char *arg, int from_tty) |
c906108c | 2108 | { |
69f476a3 | 2109 | const char *p, *val; |
c906108c SS |
2110 | int nullset = 0; |
2111 | ||
2112 | if (arg == 0) | |
e2e0b3e5 | 2113 | error_no_arg (_("environment variable and value")); |
c906108c | 2114 | |
85102364 | 2115 | /* Find separation between variable name and value. */ |
c906108c SS |
2116 | p = (char *) strchr (arg, '='); |
2117 | val = (char *) strchr (arg, ' '); | |
2118 | ||
2119 | if (p != 0 && val != 0) | |
2120 | { | |
2121 | /* We have both a space and an equals. If the space is before the | |
c5aa993b | 2122 | equals, walk forward over the spaces til we see a nonspace |
1777feb0 | 2123 | (possibly the equals). */ |
c906108c SS |
2124 | if (p > val) |
2125 | while (*val == ' ') | |
2126 | val++; | |
2127 | ||
2128 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 2129 | take the char following the spaces. */ |
c906108c SS |
2130 | if (p > val) |
2131 | p = val - 1; | |
2132 | } | |
2133 | else if (val != 0 && p == 0) | |
2134 | p = val; | |
2135 | ||
2136 | if (p == arg) | |
e2e0b3e5 | 2137 | error_no_arg (_("environment variable to set")); |
c906108c SS |
2138 | |
2139 | if (p == 0 || p[1] == 0) | |
2140 | { | |
2141 | nullset = 1; | |
2142 | if (p == 0) | |
1777feb0 | 2143 | p = arg + strlen (arg); /* So that savestring below will work. */ |
c906108c SS |
2144 | } |
2145 | else | |
2146 | { | |
1777feb0 | 2147 | /* Not setting variable value to null. */ |
c906108c SS |
2148 | val = p + 1; |
2149 | while (*val == ' ' || *val == '\t') | |
2150 | val++; | |
2151 | } | |
2152 | ||
c5aa993b JM |
2153 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
2154 | p--; | |
c906108c | 2155 | |
69f476a3 | 2156 | std::string var (arg, p - arg); |
c906108c SS |
2157 | if (nullset) |
2158 | { | |
3e43a32a MS |
2159 | printf_filtered (_("Setting environment variable " |
2160 | "\"%s\" to null value.\n"), | |
69f476a3 TT |
2161 | var.c_str ()); |
2162 | current_inferior ()->environment.set (var.c_str (), ""); | |
c906108c SS |
2163 | } |
2164 | else | |
69f476a3 | 2165 | current_inferior ()->environment.set (var.c_str (), val); |
c906108c SS |
2166 | } |
2167 | ||
2168 | static void | |
69f476a3 | 2169 | unset_environment_command (const char *var, int from_tty) |
c906108c SS |
2170 | { |
2171 | if (var == 0) | |
2172 | { | |
2173 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 2174 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 2175 | if (!from_tty || query (_("Delete all environment variables? "))) |
206726fb | 2176 | current_inferior ()->environment.clear (); |
c906108c SS |
2177 | } |
2178 | else | |
9a6c7d9c | 2179 | current_inferior ()->environment.unset (var); |
c906108c SS |
2180 | } |
2181 | ||
1777feb0 | 2182 | /* Handle the execution path (PATH variable). */ |
c906108c SS |
2183 | |
2184 | static const char path_var_name[] = "PATH"; | |
2185 | ||
c906108c | 2186 | static void |
69f476a3 | 2187 | path_info (const char *args, int from_tty) |
c906108c SS |
2188 | { |
2189 | puts_filtered ("Executable and object file path: "); | |
9a6c7d9c | 2190 | puts_filtered (current_inferior ()->environment.get (path_var_name)); |
c906108c SS |
2191 | puts_filtered ("\n"); |
2192 | } | |
2193 | ||
2194 | /* Add zero or more directories to the front of the execution path. */ | |
2195 | ||
2196 | static void | |
0b39b52e | 2197 | path_command (const char *dirname, int from_tty) |
c906108c SS |
2198 | { |
2199 | char *exec_path; | |
a121b7c1 | 2200 | const char *env; |
abbb1732 | 2201 | |
c906108c | 2202 | dont_repeat (); |
9a6c7d9c | 2203 | env = current_inferior ()->environment.get (path_var_name); |
1777feb0 | 2204 | /* Can be null if path is not set. */ |
c906108c SS |
2205 | if (!env) |
2206 | env = ""; | |
4fcf66da | 2207 | exec_path = xstrdup (env); |
c906108c | 2208 | mod_path (dirname, &exec_path); |
9a6c7d9c | 2209 | current_inferior ()->environment.set (path_var_name, exec_path); |
b8c9b27d | 2210 | xfree (exec_path); |
c906108c | 2211 | if (from_tty) |
cafb3438 | 2212 | path_info (NULL, from_tty); |
c906108c | 2213 | } |
c906108c | 2214 | \f |
c5aa993b | 2215 | |
e813d34a RK |
2216 | static void |
2217 | pad_to_column (string_file &stream, int col) | |
2218 | { | |
2219 | /* At least one space must be printed to separate columns. */ | |
2220 | stream.putc (' '); | |
2221 | const int size = stream.size (); | |
2222 | if (size < col) | |
2223 | stream.puts (n_spaces (col - size)); | |
2224 | } | |
2225 | ||
1292279a PA |
2226 | /* Print out the register NAME with value VAL, to FILE, in the default |
2227 | fashion. */ | |
2228 | ||
2229 | static void | |
2230 | default_print_one_register_info (struct ui_file *file, | |
2231 | const char *name, | |
2232 | struct value *val) | |
2233 | { | |
2234 | struct type *regtype = value_type (val); | |
f69d9aef | 2235 | int print_raw_format; |
e813d34a RK |
2236 | string_file format_stream; |
2237 | enum tab_stops | |
2238 | { | |
2239 | value_column_1 = 15, | |
2240 | /* Give enough room for "0x", 16 hex digits and two spaces in | |
2241 | preceding column. */ | |
2242 | value_column_2 = value_column_1 + 2 + 16 + 2, | |
2243 | }; | |
1292279a | 2244 | |
e813d34a RK |
2245 | format_stream.puts (name); |
2246 | pad_to_column (format_stream, value_column_1); | |
1292279a | 2247 | |
f69d9aef AB |
2248 | print_raw_format = (value_entirely_available (val) |
2249 | && !value_optimized_out (val)); | |
1292279a PA |
2250 | |
2251 | /* If virtual format is floating, print it that way, and in raw | |
2252 | hex. */ | |
2253 | if (TYPE_CODE (regtype) == TYPE_CODE_FLT | |
2254 | || TYPE_CODE (regtype) == TYPE_CODE_DECFLOAT) | |
2255 | { | |
1292279a PA |
2256 | struct value_print_options opts; |
2257 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
34877895 | 2258 | enum bfd_endian byte_order = type_byte_order (regtype); |
1292279a PA |
2259 | |
2260 | get_user_print_options (&opts); | |
2261 | opts.deref_ref = 1; | |
2262 | ||
3444c526 | 2263 | common_val_print (val, &format_stream, 0, &opts, current_language); |
1292279a | 2264 | |
f69d9aef AB |
2265 | if (print_raw_format) |
2266 | { | |
e813d34a RK |
2267 | pad_to_column (format_stream, value_column_2); |
2268 | format_stream.puts ("(raw "); | |
2269 | print_hex_chars (&format_stream, valaddr, TYPE_LENGTH (regtype), | |
2270 | byte_order, true); | |
2271 | format_stream.putc (')'); | |
f69d9aef | 2272 | } |
1292279a PA |
2273 | } |
2274 | else | |
2275 | { | |
2276 | struct value_print_options opts; | |
2277 | ||
2278 | /* Print the register in hex. */ | |
2279 | get_formatted_print_options (&opts, 'x'); | |
2280 | opts.deref_ref = 1; | |
3444c526 | 2281 | common_val_print (val, &format_stream, 0, &opts, current_language); |
1292279a PA |
2282 | /* If not a vector register, print it also according to its |
2283 | natural format. */ | |
f69d9aef | 2284 | if (print_raw_format && TYPE_VECTOR (regtype) == 0) |
1292279a | 2285 | { |
e813d34a | 2286 | pad_to_column (format_stream, value_column_2); |
1292279a PA |
2287 | get_user_print_options (&opts); |
2288 | opts.deref_ref = 1; | |
3444c526 | 2289 | common_val_print (val, &format_stream, 0, &opts, current_language); |
1292279a PA |
2290 | } |
2291 | } | |
2292 | ||
e813d34a | 2293 | fputs_filtered (format_stream.c_str (), file); |
1292279a PA |
2294 | fprintf_filtered (file, "\n"); |
2295 | } | |
2296 | ||
1777feb0 | 2297 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
2298 | registers (print_all == 1) or all non-float and non-vector |
2299 | registers (print_all == 0). | |
c906108c SS |
2300 | |
2301 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
2302 | register(s) one per line is good enough. If a different format is |
2303 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
2304 | regs), or there is an existing convention for showing all the | |
2305 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
2306 | provide that format. */ | |
c906108c | 2307 | |
666e11c5 | 2308 | void |
0ab7a791 AC |
2309 | default_print_registers_info (struct gdbarch *gdbarch, |
2310 | struct ui_file *file, | |
2311 | struct frame_info *frame, | |
2312 | int regnum, int print_all) | |
c906108c | 2313 | { |
0ab7a791 | 2314 | int i; |
f6efe3f8 | 2315 | const int numregs = gdbarch_num_cooked_regs (gdbarch); |
0ab7a791 | 2316 | |
c906108c SS |
2317 | for (i = 0; i < numregs; i++) |
2318 | { | |
4782dc19 AC |
2319 | /* Decide between printing all regs, non-float / vector regs, or |
2320 | specific reg. */ | |
c5aa993b JM |
2321 | if (regnum == -1) |
2322 | { | |
f9418c0f | 2323 | if (print_all) |
4782dc19 | 2324 | { |
f9418c0f | 2325 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 2326 | continue; |
f9418c0f AC |
2327 | } |
2328 | else | |
2329 | { | |
2330 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
2331 | continue; |
2332 | } | |
c5aa993b JM |
2333 | } |
2334 | else | |
2335 | { | |
2336 | if (i != regnum) | |
2337 | continue; | |
2338 | } | |
c906108c SS |
2339 | |
2340 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 2341 | processor, so don't display anything. */ |
a4bd449d UW |
2342 | if (gdbarch_register_name (gdbarch, i) == NULL |
2343 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
2344 | continue; |
2345 | ||
1292279a PA |
2346 | default_print_one_register_info (file, |
2347 | gdbarch_register_name (gdbarch, i), | |
901461f8 | 2348 | value_of_register (i, frame)); |
c906108c SS |
2349 | } |
2350 | } | |
c906108c | 2351 | |
c906108c | 2352 | void |
1d12d88f | 2353 | registers_info (const char *addr_exp, int fpregs) |
c906108c | 2354 | { |
206415a3 | 2355 | struct frame_info *frame; |
a4bd449d | 2356 | struct gdbarch *gdbarch; |
c906108c SS |
2357 | |
2358 | if (!target_has_registers) | |
8a3fe4f8 | 2359 | error (_("The program has no registers now.")); |
206415a3 | 2360 | frame = get_selected_frame (NULL); |
a4bd449d | 2361 | gdbarch = get_frame_arch (frame); |
c906108c SS |
2362 | |
2363 | if (!addr_exp) | |
2364 | { | |
a4bd449d | 2365 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 2366 | frame, -1, fpregs); |
c906108c SS |
2367 | return; |
2368 | } | |
2369 | ||
f9418c0f | 2370 | while (*addr_exp != '\0') |
c5aa993b | 2371 | { |
1d12d88f | 2372 | const char *start; |
f9418c0f | 2373 | const char *end; |
c906108c | 2374 | |
529480d0 KS |
2375 | /* Skip leading white space. */ |
2376 | addr_exp = skip_spaces (addr_exp); | |
c906108c | 2377 | |
f9418c0f AC |
2378 | /* Discard any leading ``$''. Check that there is something |
2379 | resembling a register following it. */ | |
2380 | if (addr_exp[0] == '$') | |
2381 | addr_exp++; | |
2382 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 2383 | error (_("Missing register name")); |
c906108c | 2384 | |
f9418c0f AC |
2385 | /* Find the start/end of this register name/num/group. */ |
2386 | start = addr_exp; | |
2387 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
2388 | addr_exp++; | |
2389 | end = addr_exp; | |
ad842144 | 2390 | |
f9418c0f AC |
2391 | /* Figure out what we've found and display it. */ |
2392 | ||
2393 | /* A register name? */ | |
2394 | { | |
029a67e4 | 2395 | int regnum = user_reg_map_name_to_regnum (gdbarch, start, end - start); |
abbb1732 | 2396 | |
f9418c0f AC |
2397 | if (regnum >= 0) |
2398 | { | |
ad842144 MR |
2399 | /* User registers lie completely outside of the range of |
2400 | normal registers. Catch them early so that the target | |
2401 | never sees them. */ | |
f6efe3f8 | 2402 | if (regnum >= gdbarch_num_cooked_regs (gdbarch)) |
ad842144 | 2403 | { |
1292279a PA |
2404 | struct value *regval = value_of_user_reg (regnum, frame); |
2405 | const char *regname = user_reg_map_regnum_to_name (gdbarch, | |
2406 | regnum); | |
2407 | ||
2408 | /* Print in the same fashion | |
2409 | gdbarch_print_registers_info's default | |
2410 | implementation prints. */ | |
2411 | default_print_one_register_info (gdb_stdout, | |
2412 | regname, | |
2413 | regval); | |
ad842144 MR |
2414 | } |
2415 | else | |
2416 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
2417 | frame, regnum, fpregs); | |
f9418c0f AC |
2418 | continue; |
2419 | } | |
2420 | } | |
ad842144 | 2421 | |
f9418c0f AC |
2422 | /* A register group? */ |
2423 | { | |
6c7d17ba | 2424 | struct reggroup *group; |
abbb1732 | 2425 | |
a4bd449d | 2426 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 2427 | group != NULL; |
a4bd449d | 2428 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
2429 | { |
2430 | /* Don't bother with a length check. Should the user | |
2431 | enter a short register group name, go with the first | |
2432 | group that matches. */ | |
6c7d17ba | 2433 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
2434 | break; |
2435 | } | |
6c7d17ba | 2436 | if (group != NULL) |
f9418c0f AC |
2437 | { |
2438 | int regnum; | |
abbb1732 | 2439 | |
f57d151a | 2440 | for (regnum = 0; |
f6efe3f8 | 2441 | regnum < gdbarch_num_cooked_regs (gdbarch); |
f57d151a | 2442 | regnum++) |
f9418c0f | 2443 | { |
a4bd449d UW |
2444 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
2445 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 2446 | gdb_stdout, frame, |
f9418c0f AC |
2447 | regnum, fpregs); |
2448 | } | |
2449 | continue; | |
2450 | } | |
2451 | } | |
c906108c | 2452 | |
f9418c0f | 2453 | /* Nothing matched. */ |
8a3fe4f8 | 2454 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 2455 | } |
c906108c SS |
2456 | } |
2457 | ||
1dd5fedc | 2458 | static void |
1d12d88f | 2459 | info_all_registers_command (const char *addr_exp, int from_tty) |
c906108c SS |
2460 | { |
2461 | registers_info (addr_exp, 1); | |
2462 | } | |
2463 | ||
a58dd373 | 2464 | static void |
1d12d88f | 2465 | info_registers_command (const char *addr_exp, int from_tty) |
c906108c SS |
2466 | { |
2467 | registers_info (addr_exp, 0); | |
2468 | } | |
e76f1f2e AC |
2469 | |
2470 | static void | |
d80b854b | 2471 | print_vector_info (struct ui_file *file, |
e76f1f2e AC |
2472 | struct frame_info *frame, const char *args) |
2473 | { | |
d80b854b UW |
2474 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2475 | ||
e76f1f2e AC |
2476 | if (gdbarch_print_vector_info_p (gdbarch)) |
2477 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
2478 | else | |
2479 | { | |
2480 | int regnum; | |
2481 | int printed_something = 0; | |
ab4327e0 | 2482 | |
f6efe3f8 | 2483 | for (regnum = 0; regnum < gdbarch_num_cooked_regs (gdbarch); regnum++) |
e76f1f2e | 2484 | { |
f9418c0f | 2485 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
2486 | { |
2487 | printed_something = 1; | |
e76f1f2e | 2488 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
2489 | } |
2490 | } | |
2491 | if (!printed_something) | |
2492 | fprintf_filtered (file, "No vector information\n"); | |
2493 | } | |
2494 | } | |
2495 | ||
2496 | static void | |
1d12d88f | 2497 | info_vector_command (const char *args, int from_tty) |
e76f1f2e | 2498 | { |
206415a3 DJ |
2499 | if (!target_has_registers) |
2500 | error (_("The program has no registers now.")); | |
2501 | ||
d80b854b | 2502 | print_vector_info (gdb_stdout, get_selected_frame (NULL), args); |
e76f1f2e | 2503 | } |
c906108c | 2504 | \f |
5fd62852 PA |
2505 | /* Kill the inferior process. Make us have no inferior. */ |
2506 | ||
2507 | static void | |
981a3fb3 | 2508 | kill_command (const char *arg, int from_tty) |
5fd62852 PA |
2509 | { |
2510 | /* FIXME: This should not really be inferior_ptid (or target_has_execution). | |
2511 | It should be a distinct flag that indicates that a target is active, cuz | |
1777feb0 | 2512 | some targets don't have processes! */ |
5fd62852 | 2513 | |
d7e15655 | 2514 | if (inferior_ptid == null_ptid) |
5fd62852 PA |
2515 | error (_("The program is not being run.")); |
2516 | if (!query (_("Kill the program being debugged? "))) | |
2517 | error (_("Not confirmed.")); | |
f67c0c91 | 2518 | |
249b5733 PA |
2519 | int pid = current_inferior ()->pid; |
2520 | /* Save the pid as a string before killing the inferior, since that | |
2521 | may unpush the current target, and we need the string after. */ | |
f2907e49 | 2522 | std::string pid_str = target_pid_to_str (ptid_t (pid)); |
f67c0c91 SDJ |
2523 | int infnum = current_inferior ()->num; |
2524 | ||
5fd62852 PA |
2525 | target_kill (); |
2526 | ||
f67c0c91 | 2527 | if (print_inferior_events) |
249b5733 | 2528 | printf_unfiltered (_("[Inferior %d (%s) killed]\n"), |
f67c0c91 SDJ |
2529 | infnum, pid_str.c_str ()); |
2530 | ||
5fd62852 PA |
2531 | bfd_cache_close_all (); |
2532 | } | |
c5aa993b | 2533 | |
08036331 | 2534 | /* Used in `attach&' command. Proceed threads of inferior INF iff |
74531fed | 2535 | they stopped due to debugger request, and when they did, they |
08036331 PA |
2536 | reported a clean stop (GDB_SIGNAL_0). Do not proceed threads that |
2537 | have been explicitly been told to stop. */ | |
74531fed PA |
2538 | |
2539 | static void | |
08036331 | 2540 | proceed_after_attach (inferior *inf) |
74531fed PA |
2541 | { |
2542 | /* Don't error out if the current thread is running, because | |
2543 | there may be other stopped threads. */ | |
74531fed PA |
2544 | |
2545 | /* Backup current thread and selected frame. */ | |
5ed8105e | 2546 | scoped_restore_current_thread restore_thread; |
74531fed | 2547 | |
08036331 PA |
2548 | for (thread_info *thread : inf->non_exited_threads ()) |
2549 | if (!thread->executing | |
2550 | && !thread->stop_requested | |
2551 | && thread->suspend.stop_signal == GDB_SIGNAL_0) | |
2552 | { | |
2553 | switch_to_thread (thread); | |
2554 | clear_proceed_status (0); | |
2555 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); | |
2556 | } | |
74531fed PA |
2557 | } |
2558 | ||
6efcd9a8 | 2559 | /* See inferior.h. */ |
c906108c | 2560 | |
6efcd9a8 PA |
2561 | void |
2562 | setup_inferior (int from_tty) | |
9356cf8d | 2563 | { |
d6b48e9c | 2564 | struct inferior *inferior; |
9356cf8d | 2565 | |
d6b48e9c | 2566 | inferior = current_inferior (); |
6efcd9a8 | 2567 | inferior->needs_setup = 0; |
9356cf8d PA |
2568 | |
2569 | /* If no exec file is yet known, try to determine it from the | |
2570 | process itself. */ | |
a10de604 | 2571 | if (get_exec_file (0) == NULL) |
e99b03dc | 2572 | exec_file_locate_attach (inferior_ptid.pid (), 1, from_tty); |
9356cf8d PA |
2573 | else |
2574 | { | |
2575 | reopen_exec_file (); | |
2576 | reread_symbols (); | |
2577 | } | |
2578 | ||
2579 | /* Take any necessary post-attaching actions for this platform. */ | |
e99b03dc | 2580 | target_post_attach (inferior_ptid.pid ()); |
9356cf8d | 2581 | |
8b88a78e | 2582 | post_create_inferior (current_top_target (), from_tty); |
6efcd9a8 PA |
2583 | } |
2584 | ||
2585 | /* What to do after the first program stops after attaching. */ | |
2586 | enum attach_post_wait_mode | |
2587 | { | |
2588 | /* Do nothing. Leaves threads as they are. */ | |
2589 | ATTACH_POST_WAIT_NOTHING, | |
2590 | ||
2591 | /* Re-resume threads that are marked running. */ | |
2592 | ATTACH_POST_WAIT_RESUME, | |
2593 | ||
2594 | /* Stop all threads. */ | |
2595 | ATTACH_POST_WAIT_STOP, | |
2596 | }; | |
2597 | ||
2598 | /* Called after we've attached to a process and we've seen it stop for | |
2599 | the first time. If ASYNC_EXEC is true, re-resume threads that | |
2600 | should be running. Else if ATTACH, */ | |
2601 | ||
2602 | static void | |
a121b7c1 | 2603 | attach_post_wait (const char *args, int from_tty, enum attach_post_wait_mode mode) |
6efcd9a8 PA |
2604 | { |
2605 | struct inferior *inferior; | |
9356cf8d | 2606 | |
6efcd9a8 PA |
2607 | inferior = current_inferior (); |
2608 | inferior->control.stop_soon = NO_STOP_QUIETLY; | |
2609 | ||
2610 | if (inferior->needs_setup) | |
2611 | setup_inferior (from_tty); | |
2612 | ||
2613 | if (mode == ATTACH_POST_WAIT_RESUME) | |
74531fed PA |
2614 | { |
2615 | /* The user requested an `attach&', so be sure to leave threads | |
2616 | that didn't get a signal running. */ | |
2617 | ||
2618 | /* Immediatelly resume all suspended threads of this inferior, | |
2619 | and this inferior only. This should have no effect on | |
2620 | already running threads. If a thread has been stopped with a | |
2621 | signal, leave it be. */ | |
2622 | if (non_stop) | |
08036331 | 2623 | proceed_after_attach (inferior); |
74531fed PA |
2624 | else |
2625 | { | |
a493e3e2 | 2626 | if (inferior_thread ()->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed | 2627 | { |
70509625 | 2628 | clear_proceed_status (0); |
64ce06e4 | 2629 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
74531fed PA |
2630 | } |
2631 | } | |
2632 | } | |
6efcd9a8 | 2633 | else if (mode == ATTACH_POST_WAIT_STOP) |
9356cf8d | 2634 | { |
74531fed PA |
2635 | /* The user requested a plain `attach', so be sure to leave |
2636 | the inferior stopped. */ | |
2637 | ||
74531fed PA |
2638 | /* At least the current thread is already stopped. */ |
2639 | ||
2640 | /* In all-stop, by definition, all threads have to be already | |
2641 | stopped at this point. In non-stop, however, although the | |
2642 | selected thread is stopped, others may still be executing. | |
2643 | Be sure to explicitly stop all threads of the process. This | |
2644 | should have no effect on already stopped threads. */ | |
066f6b6e | 2645 | if (non_stop) |
f2907e49 | 2646 | target_stop (ptid_t (inferior->pid)); |
066f6b6e PA |
2647 | else if (target_is_non_stop_p ()) |
2648 | { | |
066f6b6e | 2649 | struct thread_info *lowest = inferior_thread (); |
066f6b6e PA |
2650 | |
2651 | stop_all_threads (); | |
2652 | ||
2653 | /* It's not defined which thread will report the attach | |
2654 | stop. For consistency, always select the thread with | |
2655 | lowest GDB number, which should be the main thread, if it | |
2656 | still exists. */ | |
08036331 PA |
2657 | for (thread_info *thread : current_inferior ()->non_exited_threads ()) |
2658 | if (thread->inf->num < lowest->inf->num | |
2659 | || thread->per_inf_num < lowest->per_inf_num) | |
2660 | lowest = thread; | |
066f6b6e | 2661 | |
00431a78 | 2662 | switch_to_thread (lowest); |
066f6b6e | 2663 | } |
74531fed PA |
2664 | |
2665 | /* Tell the user/frontend where we're stopped. */ | |
9356cf8d PA |
2666 | normal_stop (); |
2667 | if (deprecated_attach_hook) | |
2668 | deprecated_attach_hook (); | |
2669 | } | |
2670 | } | |
2671 | ||
bfec99b2 | 2672 | struct attach_command_continuation_args |
9356cf8d PA |
2673 | { |
2674 | char *args; | |
2675 | int from_tty; | |
6efcd9a8 | 2676 | enum attach_post_wait_mode mode; |
bfec99b2 | 2677 | }; |
9356cf8d | 2678 | |
bfec99b2 | 2679 | static void |
fa4cd53f | 2680 | attach_command_continuation (void *args, int err) |
bfec99b2 | 2681 | { |
9a3c8263 SM |
2682 | struct attach_command_continuation_args *a |
2683 | = (struct attach_command_continuation_args *) args; | |
abbb1732 | 2684 | |
fa4cd53f PA |
2685 | if (err) |
2686 | return; | |
2687 | ||
6efcd9a8 | 2688 | attach_post_wait (a->args, a->from_tty, a->mode); |
9356cf8d PA |
2689 | } |
2690 | ||
604ead4a PA |
2691 | static void |
2692 | attach_command_continuation_free_args (void *args) | |
2693 | { | |
9a3c8263 SM |
2694 | struct attach_command_continuation_args *a |
2695 | = (struct attach_command_continuation_args *) args; | |
abbb1732 | 2696 | |
604ead4a PA |
2697 | xfree (a->args); |
2698 | xfree (a); | |
2699 | } | |
2700 | ||
6efcd9a8 PA |
2701 | /* "attach" command entry point. Takes a program started up outside |
2702 | of gdb and ``attaches'' to it. This stops it cold in its tracks | |
2703 | and allows us to start debugging it. */ | |
2704 | ||
c906108c | 2705 | void |
0b39b52e | 2706 | attach_command (const char *args, int from_tty) |
c906108c | 2707 | { |
6c4486e6 | 2708 | int async_exec; |
b3ccfe11 | 2709 | struct target_ops *attach_target; |
6efcd9a8 PA |
2710 | struct inferior *inferior = current_inferior (); |
2711 | enum attach_post_wait_mode mode; | |
c906108c | 2712 | |
c5aa993b | 2713 | dont_repeat (); /* Not for the faint of heart */ |
c906108c | 2714 | |
f5656ead | 2715 | if (gdbarch_has_global_solist (target_gdbarch ())) |
2567c7d9 PA |
2716 | /* Don't complain if all processes share the same symbol |
2717 | space. */ | |
8a305172 PA |
2718 | ; |
2719 | else if (target_has_execution) | |
c906108c | 2720 | { |
9e2f0ad4 | 2721 | if (query (_("A program is being debugged already. Kill it? "))) |
c906108c SS |
2722 | target_kill (); |
2723 | else | |
8a3fe4f8 | 2724 | error (_("Not killed.")); |
c906108c SS |
2725 | } |
2726 | ||
fd79ecee DJ |
2727 | /* Clean up any leftovers from other runs. Some other things from |
2728 | this function should probably be moved into target_pre_inferior. */ | |
2729 | target_pre_inferior (from_tty); | |
2730 | ||
6be9a197 TT |
2731 | gdb::unique_xmalloc_ptr<char> stripped = strip_bg_char (args, &async_exec); |
2732 | args = stripped.get (); | |
8bc2fe48 | 2733 | |
b3ccfe11 TT |
2734 | attach_target = find_attach_target (); |
2735 | ||
8bc2fe48 PA |
2736 | prepare_execution_command (attach_target, async_exec); |
2737 | ||
f6ac5f3d | 2738 | if (non_stop && !attach_target->supports_non_stop ()) |
9908b566 VP |
2739 | error (_("Cannot attach to this target in non-stop mode")); |
2740 | ||
f6ac5f3d | 2741 | attach_target->attach (args, from_tty); |
b3ccfe11 TT |
2742 | /* to_attach should push the target, so after this point we |
2743 | shouldn't refer to attach_target again. */ | |
2744 | attach_target = NULL; | |
c906108c SS |
2745 | |
2746 | /* Set up the "saved terminal modes" of the inferior | |
2747 | based on what modes we are starting it with. */ | |
223ffa71 | 2748 | target_terminal::init (); |
c906108c | 2749 | |
7180e04a PA |
2750 | /* Install inferior's terminal modes. This may look like a no-op, |
2751 | as we've just saved them above, however, this does more than | |
2752 | restore terminal settings: | |
2753 | ||
2754 | - installs a SIGINT handler that forwards SIGINT to the inferior. | |
2755 | Otherwise a Ctrl-C pressed just while waiting for the initial | |
2756 | stop would end up as a spurious Quit. | |
2757 | ||
2758 | - removes stdin from the event loop, which we need if attaching | |
2759 | in the foreground, otherwise on targets that report an initial | |
2760 | stop on attach (which are most) we'd process input/commands | |
2761 | while we're in the event loop waiting for that stop. That is, | |
2762 | before the attach continuation runs and the command is really | |
2763 | finished. */ | |
223ffa71 | 2764 | target_terminal::inferior (); |
7180e04a | 2765 | |
c906108c SS |
2766 | /* Set up execution context to know that we should return from |
2767 | wait_for_inferior as soon as the target reports a stop. */ | |
2768 | init_wait_for_inferior (); | |
70509625 | 2769 | clear_proceed_status (0); |
c906108c | 2770 | |
6efcd9a8 PA |
2771 | inferior->needs_setup = 1; |
2772 | ||
fbea99ea | 2773 | if (target_is_non_stop_p ()) |
74531fed PA |
2774 | { |
2775 | /* If we find that the current thread isn't stopped, explicitly | |
2776 | do so now, because we're going to install breakpoints and | |
2777 | poke at memory. */ | |
2778 | ||
2779 | if (async_exec) | |
2780 | /* The user requested an `attach&'; stop just one thread. */ | |
2781 | target_stop (inferior_ptid); | |
2782 | else | |
2783 | /* The user requested an `attach', so stop all threads of this | |
2784 | inferior. */ | |
e99b03dc | 2785 | target_stop (ptid_t (inferior_ptid.pid ())); |
74531fed PA |
2786 | } |
2787 | ||
a2fedca9 PW |
2788 | /* Check for exec file mismatch, and let the user solve it. */ |
2789 | validate_exec_file (from_tty); | |
2790 | ||
6efcd9a8 PA |
2791 | mode = async_exec ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_STOP; |
2792 | ||
dc177b7a PA |
2793 | /* Some system don't generate traps when attaching to inferior. |
2794 | E.g. Mach 3 or GNU hurd. */ | |
f6ac5f3d | 2795 | if (!target_attach_no_wait ()) |
c5aa993b | 2796 | { |
0b333c5e | 2797 | struct attach_command_continuation_args *a; |
d6b48e9c | 2798 | |
1777feb0 | 2799 | /* Careful here. See comments in inferior.h. Basically some |
dc177b7a PA |
2800 | OSes don't ignore SIGSTOPs on continue requests anymore. We |
2801 | need a way for handle_inferior_event to reset the stop_signal | |
2802 | variable after an attach, and this is what | |
2803 | STOP_QUIETLY_NO_SIGSTOP is for. */ | |
16c381f0 | 2804 | inferior->control.stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c5aa993b | 2805 | |
3b12939d | 2806 | /* Wait for stop. */ |
0b333c5e PA |
2807 | a = XNEW (struct attach_command_continuation_args); |
2808 | a->args = xstrdup (args); | |
2809 | a->from_tty = from_tty; | |
6efcd9a8 | 2810 | a->mode = mode; |
0b333c5e PA |
2811 | add_inferior_continuation (attach_command_continuation, a, |
2812 | attach_command_continuation_free_args); | |
0b333c5e | 2813 | |
5b6d1e4f PA |
2814 | /* Let infrun consider waiting for events out of this |
2815 | target. */ | |
2816 | inferior->process_target ()->threads_executing = true; | |
2817 | ||
0b333c5e PA |
2818 | if (!target_is_async_p ()) |
2819 | mark_infrun_async_event_handler (); | |
2820 | return; | |
dc177b7a | 2821 | } |
5b6d1e4f PA |
2822 | else |
2823 | attach_post_wait (args, from_tty, mode); | |
c906108c SS |
2824 | } |
2825 | ||
1941c569 PA |
2826 | /* We had just found out that the target was already attached to an |
2827 | inferior. PTID points at a thread of this new inferior, that is | |
2828 | the most likely to be stopped right now, but not necessarily so. | |
2829 | The new inferior is assumed to be already added to the inferior | |
2830 | list at this point. If LEAVE_RUNNING, then leave the threads of | |
2831 | this inferior running, except those we've explicitly seen reported | |
2832 | as stopped. */ | |
2833 | ||
2834 | void | |
00431a78 | 2835 | notice_new_inferior (thread_info *thr, int leave_running, int from_tty) |
1941c569 | 2836 | { |
5ed8105e PA |
2837 | enum attach_post_wait_mode mode |
2838 | = leave_running ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_NOTHING; | |
1941c569 | 2839 | |
5ed8105e | 2840 | gdb::optional<scoped_restore_current_thread> restore_thread; |
1941c569 | 2841 | |
5ed8105e PA |
2842 | if (inferior_ptid != null_ptid) |
2843 | restore_thread.emplace (); | |
1941c569 | 2844 | |
6efcd9a8 PA |
2845 | /* Avoid reading registers -- we haven't fetched the target |
2846 | description yet. */ | |
00431a78 | 2847 | switch_to_thread_no_regs (thr); |
1941c569 PA |
2848 | |
2849 | /* When we "notice" a new inferior we need to do all the things we | |
2850 | would normally do if we had just attached to it. */ | |
2851 | ||
00431a78 | 2852 | if (thr->executing) |
1941c569 | 2853 | { |
0b333c5e | 2854 | struct attach_command_continuation_args *a; |
1941c569 PA |
2855 | struct inferior *inferior = current_inferior (); |
2856 | ||
2857 | /* We're going to install breakpoints, and poke at memory, | |
2858 | ensure that the inferior is stopped for a moment while we do | |
2859 | that. */ | |
2860 | target_stop (inferior_ptid); | |
2861 | ||
16c381f0 | 2862 | inferior->control.stop_soon = STOP_QUIETLY_REMOTE; |
1941c569 PA |
2863 | |
2864 | /* Wait for stop before proceeding. */ | |
0b333c5e PA |
2865 | a = XNEW (struct attach_command_continuation_args); |
2866 | a->args = xstrdup (""); | |
2867 | a->from_tty = from_tty; | |
6efcd9a8 | 2868 | a->mode = mode; |
0b333c5e PA |
2869 | add_inferior_continuation (attach_command_continuation, a, |
2870 | attach_command_continuation_free_args); | |
1941c569 | 2871 | |
0b333c5e | 2872 | return; |
1941c569 PA |
2873 | } |
2874 | ||
6efcd9a8 | 2875 | attach_post_wait ("" /* args */, from_tty, mode); |
1941c569 PA |
2876 | } |
2877 | ||
c906108c SS |
2878 | /* |
2879 | * detach_command -- | |
2880 | * takes a program previously attached to and detaches it. | |
2881 | * The program resumes execution and will no longer stop | |
2882 | * on signals, etc. We better not have left any breakpoints | |
2883 | * in the program or it'll die when it hits one. For this | |
2884 | * to work, it may be necessary for the process to have been | |
2885 | * previously attached. It *might* work if the program was | |
2886 | * started via the normal ptrace (PTRACE_TRACEME). | |
2887 | */ | |
2888 | ||
6418d433 | 2889 | void |
981a3fb3 | 2890 | detach_command (const char *args, int from_tty) |
c906108c | 2891 | { |
1f5d0fc9 | 2892 | dont_repeat (); /* Not for the faint of heart. */ |
d729566a | 2893 | |
d7e15655 | 2894 | if (inferior_ptid == null_ptid) |
d729566a PA |
2895 | error (_("The program is not being run.")); |
2896 | ||
2f9d54cf PA |
2897 | query_if_trace_running (from_tty); |
2898 | ||
2899 | disconnect_tracing (); | |
d5551862 | 2900 | |
6e1e1966 | 2901 | target_detach (current_inferior (), from_tty); |
50c71eaf | 2902 | |
63000888 PA |
2903 | /* The current inferior process was just detached successfully. Get |
2904 | rid of breakpoints that no longer make sense. Note we don't do | |
2905 | this within target_detach because that is also used when | |
2906 | following child forks, and in that case we will want to transfer | |
2907 | breakpoints to the child, not delete them. */ | |
2908 | breakpoint_init_inferior (inf_exited); | |
2909 | ||
50c71eaf PA |
2910 | /* If the solist is global across inferiors, don't clear it when we |
2911 | detach from a single inferior. */ | |
f5656ead | 2912 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
50c71eaf | 2913 | no_shared_libraries (NULL, from_tty); |
8a305172 | 2914 | |
9a4105ab AC |
2915 | if (deprecated_detach_hook) |
2916 | deprecated_detach_hook (); | |
c906108c SS |
2917 | } |
2918 | ||
6ad8ae5c DJ |
2919 | /* Disconnect from the current target without resuming it (leaving it |
2920 | waiting for a debugger). | |
2921 | ||
2922 | We'd better not have left any breakpoints in the program or the | |
2923 | next debugger will get confused. Currently only supported for some | |
2924 | remote targets, since the normal attach mechanisms don't work on | |
2925 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
2926 | ||
2927 | static void | |
0b39b52e | 2928 | disconnect_command (const char *args, int from_tty) |
6ad8ae5c | 2929 | { |
1777feb0 | 2930 | dont_repeat (); /* Not for the faint of heart. */ |
2f9d54cf PA |
2931 | query_if_trace_running (from_tty); |
2932 | disconnect_tracing (); | |
6ad8ae5c | 2933 | target_disconnect (args, from_tty); |
e85a822c | 2934 | no_shared_libraries (NULL, from_tty); |
a0ef4274 | 2935 | init_thread_list (); |
9a4105ab AC |
2936 | if (deprecated_detach_hook) |
2937 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
2938 | } |
2939 | ||
5b6d1e4f PA |
2940 | /* Stop PTID in the current target, and tag the PTID threads as having |
2941 | been explicitly requested to stop. PTID can be a thread, a | |
2942 | process, or minus_one_ptid, meaning all threads of all inferiors of | |
2943 | the current target. */ | |
e42de8c7 | 2944 | |
5b6d1e4f PA |
2945 | static void |
2946 | stop_current_target_threads_ns (ptid_t ptid) | |
2947 | { | |
2948 | target_stop (ptid); | |
252fbfc8 PA |
2949 | |
2950 | /* Tag the thread as having been explicitly requested to stop, so | |
2951 | other parts of gdb know not to resume this thread automatically, | |
2952 | if it was stopped due to an internal event. Limit this to | |
2953 | non-stop mode, as when debugging a multi-threaded application in | |
2954 | all-stop mode, we will only get one stop event --- it's undefined | |
2955 | which thread will report the event. */ | |
5b6d1e4f PA |
2956 | set_stop_requested (current_inferior ()->process_target (), |
2957 | ptid, 1); | |
2958 | } | |
2959 | ||
2960 | /* See inferior.h. */ | |
2961 | ||
2962 | void | |
2963 | interrupt_target_1 (bool all_threads) | |
2964 | { | |
252fbfc8 | 2965 | if (non_stop) |
5b6d1e4f PA |
2966 | { |
2967 | if (all_threads) | |
2968 | { | |
2969 | scoped_restore_current_thread restore_thread; | |
2970 | ||
2971 | for (inferior *inf : all_inferiors ()) | |
2972 | { | |
2973 | switch_to_inferior_no_thread (inf); | |
2974 | stop_current_target_threads_ns (minus_one_ptid); | |
2975 | } | |
2976 | } | |
2977 | else | |
2978 | stop_current_target_threads_ns (inferior_ptid); | |
2979 | } | |
2980 | else | |
2981 | target_interrupt (); | |
77ebaa5a VP |
2982 | } |
2983 | ||
6339bfc4 DE |
2984 | /* interrupt [-a] |
2985 | Stop the execution of the target while running in async mode, in | |
17e5269b | 2986 | the background. In all-stop, stop the whole process. In non-stop |
8cae4b3f PA |
2987 | mode, stop the current thread only by default, or stop all threads |
2988 | if the `-a' switch is used. */ | |
2989 | ||
1dd5fedc | 2990 | static void |
0b39b52e | 2991 | interrupt_command (const char *args, int from_tty) |
43ff13b4 | 2992 | { |
362646f5 | 2993 | if (target_can_async_p ()) |
43ff13b4 | 2994 | { |
8cae4b3f PA |
2995 | int all_threads = 0; |
2996 | ||
1777feb0 | 2997 | dont_repeat (); /* Not for the faint of heart. */ |
94cc34af | 2998 | |
8cae4b3f | 2999 | if (args != NULL |
61012eef | 3000 | && startswith (args, "-a")) |
8cae4b3f PA |
3001 | all_threads = 1; |
3002 | ||
3003 | if (!non_stop && all_threads) | |
3004 | error (_("-a is meaningless in all-stop mode.")); | |
3005 | ||
77ebaa5a | 3006 | interrupt_target_1 (all_threads); |
43ff13b4 JM |
3007 | } |
3008 | } | |
3009 | ||
cc86d1cb YQ |
3010 | /* See inferior.h. */ |
3011 | ||
3012 | void | |
3013 | default_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, | |
3014 | struct frame_info *frame, const char *args) | |
c906108c | 3015 | { |
cc86d1cb YQ |
3016 | int regnum; |
3017 | int printed_something = 0; | |
d80b854b | 3018 | |
f6efe3f8 | 3019 | for (regnum = 0; regnum < gdbarch_num_cooked_regs (gdbarch); regnum++) |
23e3a7ac | 3020 | { |
cc86d1cb | 3021 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac | 3022 | { |
cc86d1cb YQ |
3023 | printed_something = 1; |
3024 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); | |
23e3a7ac | 3025 | } |
23e3a7ac | 3026 | } |
cc86d1cb YQ |
3027 | if (!printed_something) |
3028 | fprintf_filtered (file, "No floating-point info " | |
3029 | "available for this processor.\n"); | |
23e3a7ac AC |
3030 | } |
3031 | ||
3032 | static void | |
1d12d88f | 3033 | info_float_command (const char *args, int from_tty) |
23e3a7ac | 3034 | { |
cc86d1cb YQ |
3035 | struct frame_info *frame; |
3036 | ||
206415a3 DJ |
3037 | if (!target_has_registers) |
3038 | error (_("The program has no registers now.")); | |
3039 | ||
cc86d1cb YQ |
3040 | frame = get_selected_frame (NULL); |
3041 | gdbarch_print_float_info (get_frame_arch (frame), gdb_stdout, frame, args); | |
c906108c SS |
3042 | } |
3043 | \f | |
c906108c | 3044 | static void |
981a3fb3 | 3045 | unset_command (const char *args, int from_tty) |
c906108c | 3046 | { |
3e43a32a MS |
3047 | printf_filtered (_("\"unset\" must be followed by the " |
3048 | "name of an unset subcommand.\n")); | |
635c7e8a | 3049 | help_list (unsetlist, "unset ", all_commands, gdb_stdout); |
c906108c SS |
3050 | } |
3051 | ||
145b16a9 UW |
3052 | /* Implement `info proc' family of commands. */ |
3053 | ||
3054 | static void | |
69f476a3 | 3055 | info_proc_cmd_1 (const char *args, enum info_proc_what what, int from_tty) |
145b16a9 | 3056 | { |
3030c96e UW |
3057 | struct gdbarch *gdbarch = get_current_arch (); |
3058 | ||
451b7c33 TT |
3059 | if (!target_info_proc (args, what)) |
3060 | { | |
3061 | if (gdbarch_info_proc_p (gdbarch)) | |
3062 | gdbarch_info_proc (gdbarch, args, what); | |
3063 | else | |
3064 | error (_("Not supported on this target.")); | |
3065 | } | |
145b16a9 UW |
3066 | } |
3067 | ||
85102364 | 3068 | /* Implement `info proc' when given without any further parameters. */ |
145b16a9 UW |
3069 | |
3070 | static void | |
981a3fb3 | 3071 | info_proc_cmd (const char *args, int from_tty) |
145b16a9 UW |
3072 | { |
3073 | info_proc_cmd_1 (args, IP_MINIMAL, from_tty); | |
3074 | } | |
3075 | ||
3076 | /* Implement `info proc mappings'. */ | |
3077 | ||
3078 | static void | |
69f476a3 | 3079 | info_proc_cmd_mappings (const char *args, int from_tty) |
145b16a9 UW |
3080 | { |
3081 | info_proc_cmd_1 (args, IP_MAPPINGS, from_tty); | |
3082 | } | |
3083 | ||
3084 | /* Implement `info proc stat'. */ | |
3085 | ||
3086 | static void | |
69f476a3 | 3087 | info_proc_cmd_stat (const char *args, int from_tty) |
145b16a9 UW |
3088 | { |
3089 | info_proc_cmd_1 (args, IP_STAT, from_tty); | |
3090 | } | |
3091 | ||
3092 | /* Implement `info proc status'. */ | |
3093 | ||
3094 | static void | |
69f476a3 | 3095 | info_proc_cmd_status (const char *args, int from_tty) |
145b16a9 UW |
3096 | { |
3097 | info_proc_cmd_1 (args, IP_STATUS, from_tty); | |
3098 | } | |
3099 | ||
3100 | /* Implement `info proc cwd'. */ | |
3101 | ||
3102 | static void | |
69f476a3 | 3103 | info_proc_cmd_cwd (const char *args, int from_tty) |
145b16a9 UW |
3104 | { |
3105 | info_proc_cmd_1 (args, IP_CWD, from_tty); | |
3106 | } | |
3107 | ||
3108 | /* Implement `info proc cmdline'. */ | |
3109 | ||
3110 | static void | |
69f476a3 | 3111 | info_proc_cmd_cmdline (const char *args, int from_tty) |
145b16a9 UW |
3112 | { |
3113 | info_proc_cmd_1 (args, IP_CMDLINE, from_tty); | |
3114 | } | |
3115 | ||
3116 | /* Implement `info proc exe'. */ | |
3117 | ||
3118 | static void | |
69f476a3 | 3119 | info_proc_cmd_exe (const char *args, int from_tty) |
145b16a9 UW |
3120 | { |
3121 | info_proc_cmd_1 (args, IP_EXE, from_tty); | |
3122 | } | |
3123 | ||
e98ee8c4 JB |
3124 | /* Implement `info proc files'. */ |
3125 | ||
3126 | static void | |
3127 | info_proc_cmd_files (const char *args, int from_tty) | |
3128 | { | |
3129 | info_proc_cmd_1 (args, IP_FILES, from_tty); | |
3130 | } | |
3131 | ||
145b16a9 UW |
3132 | /* Implement `info proc all'. */ |
3133 | ||
3134 | static void | |
69f476a3 | 3135 | info_proc_cmd_all (const char *args, int from_tty) |
145b16a9 UW |
3136 | { |
3137 | info_proc_cmd_1 (args, IP_ALL, from_tty); | |
3138 | } | |
3139 | ||
000439d5 TT |
3140 | /* Implement `show print finish'. */ |
3141 | ||
3142 | static void | |
3143 | show_print_finish (struct ui_file *file, int from_tty, | |
3144 | struct cmd_list_element *c, | |
3145 | const char *value) | |
3146 | { | |
3147 | fprintf_filtered (file, _("\ | |
3148 | Printing of return value after `finish' is %s.\n"), | |
3149 | value); | |
3150 | } | |
3151 | ||
3152 | ||
4e5a4f58 JB |
3153 | /* This help string is used for the run, start, and starti commands. |
3154 | It is defined as a macro to prevent duplication. */ | |
3155 | ||
3156 | #define RUN_ARGS_HELP \ | |
3157 | "You may specify arguments to give it.\n\ | |
3158 | Args may include \"*\", or \"[...]\"; they are expanded using the\n\ | |
3159 | shell that will start the program (specified by the \"$SHELL\" environment\n\ | |
3160 | variable). Input and output redirection with \">\", \"<\", or \">>\"\n\ | |
3161 | are also allowed.\n\ | |
3162 | \n\ | |
3163 | With no arguments, uses arguments last specified (with \"run\" or \n\ | |
3164 | \"set args\"). To cancel previous arguments and run with no arguments,\n\ | |
3165 | use \"set args\" without arguments.\n\ | |
3166 | \n\ | |
3167 | To start the inferior without using a shell, use \"set startup-with-shell off\"." | |
3168 | ||
6c265988 | 3169 | void _initialize_infcmd (); |
c906108c | 3170 | void |
6c265988 | 3171 | _initialize_infcmd () |
c906108c | 3172 | { |
145b16a9 | 3173 | static struct cmd_list_element *info_proc_cmdlist; |
3cb3b8df | 3174 | struct cmd_list_element *c = NULL; |
6f937416 | 3175 | const char *cmd_name; |
3cb3b8df | 3176 | |
1777feb0 | 3177 | /* Add the filename of the terminal connected to inferior I/O. */ |
0a1ddfa6 SM |
3178 | add_setshow_optional_filename_cmd ("inferior-tty", class_run, |
3179 | &inferior_io_terminal_scratch, _("\ | |
3cb3b8df BR |
3180 | Set terminal for future runs of program being debugged."), _("\ |
3181 | Show terminal for future runs of program being debugged."), _("\ | |
0a1ddfa6 SM |
3182 | Usage: set inferior-tty [TTY]\n\n\ |
3183 | If TTY is omitted, the default behavior of using the same terminal as GDB\n\ | |
3184 | is restored."), | |
3185 | set_inferior_tty_command, | |
3186 | show_inferior_tty_command, | |
3187 | &setlist, &showlist); | |
21873064 YQ |
3188 | cmd_name = "inferior-tty"; |
3189 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3190 | gdb_assert (c != NULL); | |
3191 | add_alias_cmd ("tty", c, class_alias, 0, &cmdlist); | |
c906108c | 3192 | |
6ace3df1 YQ |
3193 | cmd_name = "args"; |
3194 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
3195 | &inferior_args_scratch, _("\ | |
b4b4ac0b AC |
3196 | Set argument list to give program being debugged when it is started."), _("\ |
3197 | Show argument list to give program being debugged when it is started."), _("\ | |
3198 | Follow this command with any number of args, to be passed to the program."), | |
6ace3df1 YQ |
3199 | set_args_command, |
3200 | show_args_command, | |
3201 | &setlist, &showlist); | |
3202 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3203 | gdb_assert (c != NULL); | |
3204 | set_cmd_completer (c, filename_completer); | |
c906108c | 3205 | |
d092c5a2 SDJ |
3206 | cmd_name = "cwd"; |
3207 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
3208 | &inferior_cwd_scratch, _("\ | |
3209 | Set the current working directory to be used when the inferior is started.\n\ | |
3210 | Changing this setting does not have any effect on inferiors that are\n\ | |
3211 | already running."), | |
3212 | _("\ | |
3213 | Show the current working directory that is used when the inferior is started."), | |
3214 | _("\ | |
3215 | Use this command to change the current working directory that will be used\n\ | |
3216 | when the inferior is started. This setting does not affect GDB's current\n\ | |
3217 | working directory."), | |
3218 | set_cwd_command, | |
3219 | show_cwd_command, | |
3220 | &setlist, &showlist); | |
3221 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3222 | gdb_assert (c != NULL); | |
3223 | set_cmd_completer (c, filename_completer); | |
3224 | ||
1a966eab AC |
3225 | c = add_cmd ("environment", no_class, environment_info, _("\ |
3226 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
3227 | With an argument VAR, prints the value of environment variable VAR to\n\ |
3228 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 3229 | environment to be given to the program."), &showlist); |
5ba2abeb | 3230 | set_cmd_completer (c, noop_completer); |
c906108c SS |
3231 | |
3232 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 3233 | _("Complement to certain \"set\" commands."), |
c906108c | 3234 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 3235 | |
1a966eab AC |
3236 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
3237 | Cancel environment variable VAR for the program.\n\ | |
3238 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 3239 | &unsetlist); |
5ba2abeb | 3240 | set_cmd_completer (c, noop_completer); |
c906108c | 3241 | |
1a966eab AC |
3242 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
3243 | Set environment variable value to give the program.\n\ | |
c906108c SS |
3244 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
3245 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 3246 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 3247 | &setlist); |
5ba2abeb | 3248 | set_cmd_completer (c, noop_completer); |
c5aa993b | 3249 | |
1bedd215 AC |
3250 | c = add_com ("path", class_files, path_command, _("\ |
3251 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
3252 | $cwd in the path means the current working directory.\n\ |
3253 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
3254 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
3255 | fully linked executable files and separately compiled object files as \ |
3256 | needed.")); | |
5ba2abeb | 3257 | set_cmd_completer (c, filename_completer); |
c906108c | 3258 | |
1a966eab AC |
3259 | c = add_cmd ("paths", no_class, path_info, _("\ |
3260 | Current search path for finding object files.\n\ | |
c906108c SS |
3261 | $cwd in the path means the current working directory.\n\ |
3262 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
3263 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
3264 | fully linked executable files and separately compiled object files as \ |
3265 | needed."), | |
c906108c | 3266 | &showlist); |
5ba2abeb | 3267 | set_cmd_completer (c, noop_completer); |
c906108c | 3268 | |
2277426b PA |
3269 | add_prefix_cmd ("kill", class_run, kill_command, |
3270 | _("Kill execution of program being debugged."), | |
3271 | &killlist, "kill ", 0, &cmdlist); | |
5fd62852 | 3272 | |
1bedd215 AC |
3273 | add_com ("attach", class_run, attach_command, _("\ |
3274 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
3275 | This command attaches to another target, of the same type as your last\n\ |
3276 | \"target\" command (\"info files\" will show your target stack).\n\ | |
3277 | The command may take as argument a process id or a device file.\n\ | |
3278 | For a process id, you must have permission to send the process a signal,\n\ | |
3279 | and it must have the same effective uid as the debugger.\n\ | |
3280 | When using \"attach\" with a process id, the debugger finds the\n\ | |
3281 | program running in the process, looking first in the current working\n\ | |
3282 | directory, or (if not found there) using the source file search path\n\ | |
3283 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 3284 | to specify the program, and to load its symbol table.")); |
c906108c | 3285 | |
f73adfeb | 3286 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 3287 | Detach a process or file previously attached.\n\ |
c906108c | 3288 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
3289 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
3290 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 3291 | |
1bedd215 AC |
3292 | add_com ("disconnect", class_run, disconnect_command, _("\ |
3293 | Disconnect from a target.\n\ | |
6ad8ae5c | 3294 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 3295 | all targets.")); |
6ad8ae5c | 3296 | |
de0bea00 | 3297 | c = add_com ("signal", class_run, signal_command, _("\ |
486c7739 MF |
3298 | Continue program with the specified signal.\n\ |
3299 | Usage: signal SIGNAL\n\ | |
2edda2ff | 3300 | The SIGNAL argument is processed the same as the handle command.\n\ |
486c7739 MF |
3301 | \n\ |
3302 | An argument of \"0\" means continue the program without sending it a signal.\n\ | |
3303 | This is useful in cases where the program stopped because of a signal,\n\ | |
81219e53 DE |
3304 | and you want to resume the program while discarding the signal.\n\ |
3305 | \n\ | |
3306 | In a multi-threaded program the signal is delivered to, or discarded from,\n\ | |
3307 | the current thread only.")); | |
3308 | set_cmd_completer (c, signal_completer); | |
3309 | ||
3310 | c = add_com ("queue-signal", class_run, queue_signal_command, _("\ | |
3311 | Queue a signal to be delivered to the current thread when it is resumed.\n\ | |
3312 | Usage: queue-signal SIGNAL\n\ | |
3313 | The SIGNAL argument is processed the same as the handle command.\n\ | |
3314 | It is an error if the handling state of SIGNAL is \"nopass\".\n\ | |
3315 | \n\ | |
3316 | An argument of \"0\" means remove any currently queued signal from\n\ | |
3317 | the current thread. This is useful in cases where the program stopped\n\ | |
3318 | because of a signal, and you want to resume it while discarding the signal.\n\ | |
3319 | \n\ | |
3320 | In a multi-threaded program the signal is queued with, or discarded from,\n\ | |
3321 | the current thread only.")); | |
de0bea00 | 3322 | set_cmd_completer (c, signal_completer); |
c906108c | 3323 | |
1bedd215 AC |
3324 | add_com ("stepi", class_run, stepi_command, _("\ |
3325 | Step one instruction exactly.\n\ | |
486c7739 MF |
3326 | Usage: stepi [N]\n\ |
3327 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3328 | reason).")); |
c906108c SS |
3329 | add_com_alias ("si", "stepi", class_alias, 0); |
3330 | ||
1bedd215 AC |
3331 | add_com ("nexti", class_run, nexti_command, _("\ |
3332 | Step one instruction, but proceed through subroutine calls.\n\ | |
486c7739 MF |
3333 | Usage: nexti [N]\n\ |
3334 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3335 | reason).")); |
c906108c SS |
3336 | add_com_alias ("ni", "nexti", class_alias, 0); |
3337 | ||
1bedd215 AC |
3338 | add_com ("finish", class_run, finish_command, _("\ |
3339 | Execute until selected stack frame returns.\n\ | |
486c7739 | 3340 | Usage: finish\n\ |
1bedd215 | 3341 | Upon return, the value returned is printed and put in the value history.")); |
0e479716 | 3342 | add_com_alias ("fin", "finish", class_run, 1); |
c906108c | 3343 | |
1bedd215 AC |
3344 | add_com ("next", class_run, next_command, _("\ |
3345 | Step program, proceeding through subroutine calls.\n\ | |
486c7739 MF |
3346 | Usage: next [N]\n\ |
3347 | Unlike \"step\", if the current source line calls a subroutine,\n\ | |
3348 | this command does not enter the subroutine, but instead steps over\n\ | |
dbf6a605 | 3349 | the call, in effect treating it as a single source line.")); |
c906108c | 3350 | add_com_alias ("n", "next", class_run, 1); |
c906108c | 3351 | |
1bedd215 AC |
3352 | add_com ("step", class_run, step_command, _("\ |
3353 | Step program until it reaches a different source line.\n\ | |
486c7739 MF |
3354 | Usage: step [N]\n\ |
3355 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3356 | reason).")); |
c906108c SS |
3357 | add_com_alias ("s", "step", class_run, 1); |
3358 | ||
1bedd215 | 3359 | c = add_com ("until", class_run, until_command, _("\ |
590042fc | 3360 | Execute until past the current line or past a LOCATION.\n\ |
1bedd215 | 3361 | Execute until the program reaches a source line greater than the current\n\ |
3e43a32a MS |
3362 | or a specified location (same args as break command) within the current \ |
3363 | frame.")); | |
5ba2abeb | 3364 | set_cmd_completer (c, location_completer); |
c906108c | 3365 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 3366 | |
1bedd215 | 3367 | c = add_com ("advance", class_run, advance_command, _("\ |
3e43a32a MS |
3368 | Continue the program up to the given location (same form as args for break \ |
3369 | command).\n\ | |
1bedd215 | 3370 | Execution will also stop upon exit from the current stack frame.")); |
ae66c1fc EZ |
3371 | set_cmd_completer (c, location_completer); |
3372 | ||
1bedd215 AC |
3373 | c = add_com ("jump", class_run, jump_command, _("\ |
3374 | Continue program being debugged at specified line or address.\n\ | |
0a8ba311 | 3375 | Usage: jump LOCATION\n\ |
c906108c | 3376 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 3377 | for an address to start at.")); |
5ba2abeb | 3378 | set_cmd_completer (c, location_completer); |
c1d780c2 | 3379 | add_com_alias ("j", "jump", class_run, 1); |
c906108c | 3380 | |
df983543 | 3381 | add_com ("continue", class_run, continue_command, _("\ |
1bedd215 | 3382 | Continue program being debugged, after signal or breakpoint.\n\ |
486c7739 | 3383 | Usage: continue [N]\n\ |
c906108c SS |
3384 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
3385 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
8cae4b3f PA |
3386 | the breakpoint won't break until the Nth time it is reached).\n\ |
3387 | \n\ | |
3388 | If non-stop mode is enabled, continue only the current thread,\n\ | |
3389 | otherwise all the threads in the program are continued. To \n\ | |
3390 | continue all stopped threads in non-stop mode, use the -a option.\n\ | |
3391 | Specifying -a and an ignore count simultaneously is an error.")); | |
c906108c SS |
3392 | add_com_alias ("c", "cont", class_run, 1); |
3393 | add_com_alias ("fg", "cont", class_run, 1); | |
3394 | ||
1bedd215 | 3395 | c = add_com ("run", class_run, run_command, _("\ |
4e5a4f58 JB |
3396 | Start debugged program.\n" |
3397 | RUN_ARGS_HELP)); | |
5ba2abeb | 3398 | set_cmd_completer (c, filename_completer); |
c906108c | 3399 | add_com_alias ("r", "run", class_run, 1); |
c906108c | 3400 | |
1bedd215 | 3401 | c = add_com ("start", class_run, start_command, _("\ |
4e5a4f58 JB |
3402 | Start the debugged program stopping at the beginning of the main procedure.\n" |
3403 | RUN_ARGS_HELP)); | |
3404 | set_cmd_completer (c, filename_completer); | |
3405 | ||
3406 | c = add_com ("starti", class_run, starti_command, _("\ | |
3407 | Start the debugged program stopping at the first instruction.\n" | |
3408 | RUN_ARGS_HELP)); | |
a4d5f2e0 JB |
3409 | set_cmd_completer (c, filename_completer); |
3410 | ||
0a07590b | 3411 | add_com ("interrupt", class_run, interrupt_command, |
df983543 | 3412 | _("Interrupt the execution of the debugged program.\n\ |
8cae4b3f PA |
3413 | If non-stop mode is enabled, interrupt only the current thread,\n\ |
3414 | otherwise all the threads in the program are stopped. To \n\ | |
3415 | interrupt all running threads in non-stop mode, use the -a option.")); | |
43ff13b4 | 3416 | |
11db9430 | 3417 | c = add_info ("registers", info_registers_command, _("\ |
1bedd215 | 3418 | List of integer registers and their contents, for selected stack frame.\n\ |
b67d92b0 SH |
3419 | One or more register names as argument means describe the given registers.\n\ |
3420 | One or more register group names as argument means describe the registers\n\ | |
3421 | in the named register groups.")); | |
7194c49b | 3422 | add_info_alias ("r", "registers", 1); |
71c24708 | 3423 | set_cmd_completer (c, reg_or_group_completer); |
c906108c | 3424 | |
11db9430 | 3425 | c = add_info ("all-registers", info_all_registers_command, _("\ |
1bedd215 | 3426 | List of all registers and their contents, for selected stack frame.\n\ |
b67d92b0 SH |
3427 | One or more register names as argument means describe the given registers.\n\ |
3428 | One or more register group names as argument means describe the registers\n\ | |
3429 | in the named register groups.")); | |
71c24708 | 3430 | set_cmd_completer (c, reg_or_group_completer); |
c906108c | 3431 | |
11db9430 | 3432 | add_info ("program", info_program_command, |
1bedd215 | 3433 | _("Execution status of the program.")); |
c906108c | 3434 | |
11db9430 | 3435 | add_info ("float", info_float_command, |
590042fc | 3436 | _("Print the status of the floating point unit.")); |
c906108c | 3437 | |
11db9430 | 3438 | add_info ("vector", info_vector_command, |
590042fc | 3439 | _("Print the status of the vector unit.")); |
145b16a9 UW |
3440 | |
3441 | add_prefix_cmd ("proc", class_info, info_proc_cmd, | |
3442 | _("\ | |
73f1bd76 | 3443 | Show additional information about a process.\n\ |
145b16a9 UW |
3444 | Specify any process id, or use the program being debugged by default."), |
3445 | &info_proc_cmdlist, "info proc ", | |
3446 | 1/*allow-unknown*/, &infolist); | |
3447 | ||
3448 | add_cmd ("mappings", class_info, info_proc_cmd_mappings, _("\ | |
73f1bd76 | 3449 | List memory regions mapped by the specified process."), |
145b16a9 UW |
3450 | &info_proc_cmdlist); |
3451 | ||
3452 | add_cmd ("stat", class_info, info_proc_cmd_stat, _("\ | |
3453 | List process info from /proc/PID/stat."), | |
3454 | &info_proc_cmdlist); | |
3455 | ||
3456 | add_cmd ("status", class_info, info_proc_cmd_status, _("\ | |
3457 | List process info from /proc/PID/status."), | |
3458 | &info_proc_cmdlist); | |
3459 | ||
3460 | add_cmd ("cwd", class_info, info_proc_cmd_cwd, _("\ | |
73f1bd76 | 3461 | List current working directory of the specified process."), |
145b16a9 UW |
3462 | &info_proc_cmdlist); |
3463 | ||
3464 | add_cmd ("cmdline", class_info, info_proc_cmd_cmdline, _("\ | |
73f1bd76 | 3465 | List command line arguments of the specified process."), |
145b16a9 UW |
3466 | &info_proc_cmdlist); |
3467 | ||
3468 | add_cmd ("exe", class_info, info_proc_cmd_exe, _("\ | |
73f1bd76 | 3469 | List absolute filename for executable of the specified process."), |
145b16a9 UW |
3470 | &info_proc_cmdlist); |
3471 | ||
e98ee8c4 JB |
3472 | add_cmd ("files", class_info, info_proc_cmd_files, _("\ |
3473 | List files opened by the specified process."), | |
3474 | &info_proc_cmdlist); | |
3475 | ||
145b16a9 | 3476 | add_cmd ("all", class_info, info_proc_cmd_all, _("\ |
73f1bd76 | 3477 | List all available info about the specified process."), |
145b16a9 | 3478 | &info_proc_cmdlist); |
000439d5 TT |
3479 | |
3480 | add_setshow_boolean_cmd ("finish", class_support, | |
3481 | &user_print_options.finish_print, _("\ | |
3482 | Set whether `finish' prints the return value."), _("\ | |
3483 | Show whether `finish' prints the return value."), NULL, | |
3484 | NULL, | |
3485 | show_print_finish, | |
3486 | &setprintlist, &showprintlist); | |
c906108c | 3487 | } |