Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 2 | |
61baf725 | 3 | Copyright (C) 1986-2017 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
5af949e3 | 21 | #include "arch-utils.h" |
c906108c | 22 | #include <signal.h> |
c906108c SS |
23 | #include "symtab.h" |
24 | #include "gdbtypes.h" | |
25 | #include "frame.h" | |
26 | #include "inferior.h" | |
45741a9c | 27 | #include "infrun.h" |
c906108c SS |
28 | #include "environ.h" |
29 | #include "value.h" | |
30 | #include "gdbcmd.h" | |
1adeb98a | 31 | #include "symfile.h" |
c906108c SS |
32 | #include "gdbcore.h" |
33 | #include "target.h" | |
34 | #include "language.h" | |
c906108c | 35 | #include "objfiles.h" |
c94fdfd0 | 36 | #include "completer.h" |
8b93c638 | 37 | #include "ui-out.h" |
6426a772 | 38 | #include "event-top.h" |
96baa820 | 39 | #include "parser-defs.h" |
36160dc4 | 40 | #include "regcache.h" |
f9418c0f | 41 | #include "reggroups.h" |
fe898f56 | 42 | #include "block.h" |
a77053c2 | 43 | #include "solib.h" |
f9418c0f | 44 | #include <ctype.h> |
281b533b | 45 | #include "observer.h" |
424163ea | 46 | #include "target-descriptions.h" |
ad842144 | 47 | #include "user-regs.h" |
700b53b1 | 48 | #include "cli/cli-decode.h" |
a0ef4274 | 49 | #include "gdbthread.h" |
79a45b7d | 50 | #include "valprint.h" |
edb3359d | 51 | #include "inline-frame.h" |
573cda03 | 52 | #include "tracepoint.h" |
09cee04b | 53 | #include "inf-loop.h" |
be34f849 | 54 | #include "continuations.h" |
f8eba3c6 | 55 | #include "linespec.h" |
529480d0 | 56 | #include "cli/cli-utils.h" |
8a6c4031 | 57 | #include "infcall.h" |
243a9253 | 58 | #include "thread-fsm.h" |
3b12939d | 59 | #include "top.h" |
8980e177 | 60 | #include "interps.h" |
5ed8105e | 61 | #include "common/gdb_optional.h" |
d5551862 | 62 | |
a58dd373 EZ |
63 | /* Local functions: */ |
64 | ||
11db9430 | 65 | static void info_registers_command (char *, int); |
a58dd373 | 66 | |
a14ed312 | 67 | static void until_next_command (int); |
c906108c | 68 | |
a14ed312 | 69 | static void until_command (char *, int); |
c906108c | 70 | |
a14ed312 | 71 | static void path_info (char *, int); |
c906108c | 72 | |
a14ed312 | 73 | static void path_command (char *, int); |
c906108c | 74 | |
a14ed312 | 75 | static void unset_command (char *, int); |
c906108c | 76 | |
11db9430 | 77 | static void info_float_command (char *, int); |
c906108c | 78 | |
6ad8ae5c DJ |
79 | static void disconnect_command (char *, int); |
80 | ||
a14ed312 | 81 | static void unset_environment_command (char *, int); |
c906108c | 82 | |
a14ed312 | 83 | static void set_environment_command (char *, int); |
c906108c | 84 | |
a14ed312 | 85 | static void environment_info (char *, int); |
c906108c | 86 | |
11db9430 | 87 | static void info_program_command (char *, int); |
c906108c | 88 | |
a14ed312 | 89 | static void finish_command (char *, int); |
c906108c | 90 | |
a14ed312 | 91 | static void signal_command (char *, int); |
c906108c | 92 | |
a14ed312 | 93 | static void jump_command (char *, int); |
c906108c | 94 | |
a14ed312 | 95 | static void step_1 (int, int, char *); |
c906108c | 96 | |
a14ed312 | 97 | static void next_command (char *, int); |
c906108c | 98 | |
a14ed312 | 99 | static void step_command (char *, int); |
c906108c | 100 | |
a14ed312 | 101 | static void run_command (char *, int); |
c906108c | 102 | |
c906108c | 103 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 104 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c | 105 | |
3e43a32a MS |
106 | /* Scratch area where string containing arguments to give to the |
107 | program will be stored by 'set args'. As soon as anything is | |
108 | stored, notice_args_set will move it into per-inferior storage. | |
1777feb0 | 109 | Arguments are separated by spaces. Empty string (pointer to '\0') |
3e43a32a | 110 | means no args. */ |
c906108c | 111 | |
3f81c18a | 112 | static char *inferior_args_scratch; |
c906108c | 113 | |
3f81c18a VP |
114 | /* Scratch area where 'set inferior-tty' will store user-provided value. |
115 | We'll immediate copy it into per-inferior storage. */ | |
552c04a7 | 116 | |
3f81c18a | 117 | static char *inferior_io_terminal_scratch; |
c906108c SS |
118 | |
119 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
120 | Since various parts of infrun.c test this to see whether there is a program | |
121 | being debugged it should be nonzero (currently 3 is used) for remote | |
122 | debugging. */ | |
123 | ||
39f77062 | 124 | ptid_t inferior_ptid; |
c906108c | 125 | |
c906108c SS |
126 | /* Address at which inferior stopped. */ |
127 | ||
128 | CORE_ADDR stop_pc; | |
129 | ||
c906108c SS |
130 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
131 | ||
aa7d318d | 132 | enum stop_stack_kind stop_stack_dummy; |
c906108c SS |
133 | |
134 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
135 | process. */ | |
136 | ||
137 | int stopped_by_random_signal; | |
138 | ||
98882a26 PA |
139 | /* See inferior.h. */ |
140 | ||
141 | int startup_with_shell = 1; | |
142 | ||
c906108c | 143 | \f |
1777feb0 | 144 | /* Accessor routines. */ |
07091751 | 145 | |
3f81c18a VP |
146 | /* Set the io terminal for the current inferior. Ownership of |
147 | TERMINAL_NAME is not transferred. */ | |
148 | ||
3cb3b8df BR |
149 | void |
150 | set_inferior_io_terminal (const char *terminal_name) | |
151 | { | |
3f81c18a | 152 | xfree (current_inferior ()->terminal); |
0a1ddfa6 SM |
153 | |
154 | if (terminal_name != NULL && *terminal_name != '\0') | |
155 | current_inferior ()->terminal = xstrdup (terminal_name); | |
156 | else | |
157 | current_inferior ()->terminal = NULL; | |
3cb3b8df BR |
158 | } |
159 | ||
160 | const char * | |
161 | get_inferior_io_terminal (void) | |
162 | { | |
3f81c18a VP |
163 | return current_inferior ()->terminal; |
164 | } | |
165 | ||
166 | static void | |
167 | set_inferior_tty_command (char *args, int from_tty, | |
168 | struct cmd_list_element *c) | |
169 | { | |
170 | /* CLI has assigned the user-provided value to inferior_io_terminal_scratch. | |
171 | Now route it to current inferior. */ | |
172 | set_inferior_io_terminal (inferior_io_terminal_scratch); | |
173 | } | |
174 | ||
175 | static void | |
176 | show_inferior_tty_command (struct ui_file *file, int from_tty, | |
177 | struct cmd_list_element *c, const char *value) | |
178 | { | |
179 | /* Note that we ignore the passed-in value in favor of computing it | |
180 | directly. */ | |
275f2e57 | 181 | const char *inferior_io_terminal = get_inferior_io_terminal (); |
abbb1732 | 182 | |
275f2e57 DJ |
183 | if (inferior_io_terminal == NULL) |
184 | inferior_io_terminal = ""; | |
3f81c18a | 185 | fprintf_filtered (gdb_stdout, |
275f2e57 DJ |
186 | _("Terminal for future runs of program being debugged " |
187 | "is \"%s\".\n"), inferior_io_terminal); | |
3cb3b8df BR |
188 | } |
189 | ||
07091751 FN |
190 | char * |
191 | get_inferior_args (void) | |
192 | { | |
3f81c18a | 193 | if (current_inferior ()->argc != 0) |
552c04a7 | 194 | { |
3f81c18a | 195 | char *n; |
552c04a7 | 196 | |
3f81c18a VP |
197 | n = construct_inferior_arguments (current_inferior ()->argc, |
198 | current_inferior ()->argv); | |
199 | set_inferior_args (n); | |
200 | xfree (n); | |
552c04a7 TT |
201 | } |
202 | ||
3f81c18a VP |
203 | if (current_inferior ()->args == NULL) |
204 | current_inferior ()->args = xstrdup (""); | |
552c04a7 | 205 | |
3f81c18a | 206 | return current_inferior ()->args; |
07091751 FN |
207 | } |
208 | ||
3f81c18a VP |
209 | /* Set the arguments for the current inferior. Ownership of |
210 | NEWARGS is not transferred. */ | |
211 | ||
212 | void | |
07091751 FN |
213 | set_inferior_args (char *newargs) |
214 | { | |
3f81c18a VP |
215 | xfree (current_inferior ()->args); |
216 | current_inferior ()->args = newargs ? xstrdup (newargs) : NULL; | |
217 | current_inferior ()->argc = 0; | |
218 | current_inferior ()->argv = 0; | |
07091751 | 219 | } |
c5aa993b | 220 | |
552c04a7 TT |
221 | void |
222 | set_inferior_args_vector (int argc, char **argv) | |
223 | { | |
3f81c18a VP |
224 | current_inferior ()->argc = argc; |
225 | current_inferior ()->argv = argv; | |
552c04a7 TT |
226 | } |
227 | ||
228 | /* Notice when `set args' is run. */ | |
6339bfc4 | 229 | |
552c04a7 | 230 | static void |
3f81c18a | 231 | set_args_command (char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 | 232 | { |
3f81c18a VP |
233 | /* CLI has assigned the user-provided value to inferior_args_scratch. |
234 | Now route it to current inferior. */ | |
235 | set_inferior_args (inferior_args_scratch); | |
552c04a7 TT |
236 | } |
237 | ||
238 | /* Notice when `show args' is run. */ | |
6339bfc4 | 239 | |
552c04a7 | 240 | static void |
3f81c18a VP |
241 | show_args_command (struct ui_file *file, int from_tty, |
242 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 243 | { |
258c00cc TT |
244 | /* Note that we ignore the passed-in value in favor of computing it |
245 | directly. */ | |
246 | deprecated_show_value_hack (file, from_tty, c, get_inferior_args ()); | |
552c04a7 TT |
247 | } |
248 | ||
c2a727fa TT |
249 | \f |
250 | /* Compute command-line string given argument vector. This does the | |
251 | same shell processing as fork_inferior. */ | |
6339bfc4 | 252 | |
c2a727fa | 253 | char * |
bd57a748 | 254 | construct_inferior_arguments (int argc, char **argv) |
c2a727fa TT |
255 | { |
256 | char *result; | |
257 | ||
98882a26 | 258 | if (startup_with_shell) |
c2a727fa | 259 | { |
5d60742e EZ |
260 | #ifdef __MINGW32__ |
261 | /* This holds all the characters considered special to the | |
262 | Windows shells. */ | |
a121b7c1 PA |
263 | static const char special[] = "\"!&*|[]{}<>?`~^=;, \t\n"; |
264 | static const char quote = '"'; | |
5d60742e | 265 | #else |
c2a727fa TT |
266 | /* This holds all the characters considered special to the |
267 | typical Unix shells. We include `^' because the SunOS | |
268 | /bin/sh treats it as a synonym for `|'. */ | |
a121b7c1 PA |
269 | static const char special[] = "\"!#$&*()\\|[]{}<>?'`~^; \t\n"; |
270 | static const char quote = '\''; | |
5d60742e | 271 | #endif |
c2a727fa TT |
272 | int i; |
273 | int length = 0; | |
274 | char *out, *cp; | |
275 | ||
276 | /* We over-compute the size. It shouldn't matter. */ | |
277 | for (i = 0; i < argc; ++i) | |
c2226152 | 278 | length += 3 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
279 | |
280 | result = (char *) xmalloc (length); | |
281 | out = result; | |
282 | ||
283 | for (i = 0; i < argc; ++i) | |
284 | { | |
285 | if (i > 0) | |
286 | *out++ = ' '; | |
287 | ||
03c6228e AS |
288 | /* Need to handle empty arguments specially. */ |
289 | if (argv[i][0] == '\0') | |
c2a727fa | 290 | { |
5d60742e EZ |
291 | *out++ = quote; |
292 | *out++ = quote; | |
03c6228e AS |
293 | } |
294 | else | |
295 | { | |
5d60742e EZ |
296 | #ifdef __MINGW32__ |
297 | int quoted = 0; | |
298 | ||
299 | if (strpbrk (argv[i], special)) | |
300 | { | |
301 | quoted = 1; | |
302 | *out++ = quote; | |
303 | } | |
304 | #endif | |
03c6228e AS |
305 | for (cp = argv[i]; *cp; ++cp) |
306 | { | |
c2226152 AS |
307 | if (*cp == '\n') |
308 | { | |
309 | /* A newline cannot be quoted with a backslash (it | |
310 | just disappears), only by putting it inside | |
311 | quotes. */ | |
5d60742e | 312 | *out++ = quote; |
c2226152 | 313 | *out++ = '\n'; |
5d60742e | 314 | *out++ = quote; |
c2226152 AS |
315 | } |
316 | else | |
317 | { | |
5d60742e EZ |
318 | #ifdef __MINGW32__ |
319 | if (*cp == quote) | |
320 | #else | |
c2226152 | 321 | if (strchr (special, *cp) != NULL) |
5d60742e | 322 | #endif |
c2226152 AS |
323 | *out++ = '\\'; |
324 | *out++ = *cp; | |
325 | } | |
03c6228e | 326 | } |
5d60742e EZ |
327 | #ifdef __MINGW32__ |
328 | if (quoted) | |
329 | *out++ = quote; | |
330 | #endif | |
c2a727fa TT |
331 | } |
332 | } | |
333 | *out = '\0'; | |
334 | } | |
335 | else | |
336 | { | |
337 | /* In this case we can't handle arguments that contain spaces, | |
338 | tabs, or newlines -- see breakup_args(). */ | |
339 | int i; | |
340 | int length = 0; | |
341 | ||
342 | for (i = 0; i < argc; ++i) | |
343 | { | |
344 | char *cp = strchr (argv[i], ' '); | |
345 | if (cp == NULL) | |
346 | cp = strchr (argv[i], '\t'); | |
347 | if (cp == NULL) | |
348 | cp = strchr (argv[i], '\n'); | |
349 | if (cp != NULL) | |
3e43a32a MS |
350 | error (_("can't handle command-line " |
351 | "argument containing whitespace")); | |
c2a727fa TT |
352 | length += strlen (argv[i]) + 1; |
353 | } | |
354 | ||
355 | result = (char *) xmalloc (length); | |
356 | result[0] = '\0'; | |
357 | for (i = 0; i < argc; ++i) | |
358 | { | |
359 | if (i > 0) | |
360 | strcat (result, " "); | |
361 | strcat (result, argv[i]); | |
362 | } | |
363 | } | |
364 | ||
365 | return result; | |
366 | } | |
552c04a7 TT |
367 | \f |
368 | ||
6c4486e6 PA |
369 | /* This function strips the '&' character (indicating background |
370 | execution) that is added as *the last* of the arguments ARGS of a | |
371 | command. A copy of the incoming ARGS without the '&' is returned, | |
372 | unless the resulting string after stripping is empty, in which case | |
373 | NULL is returned. *BG_CHAR_P is an output boolean that indicates | |
374 | whether the '&' character was found. */ | |
6339bfc4 | 375 | |
6c4486e6 PA |
376 | static char * |
377 | strip_bg_char (const char *args, int *bg_char_p) | |
43ff13b4 | 378 | { |
6c4486e6 | 379 | const char *p; |
c5aa993b | 380 | |
6c4486e6 PA |
381 | if (args == NULL || *args == '\0') |
382 | { | |
383 | *bg_char_p = 0; | |
384 | return NULL; | |
385 | } | |
c5aa993b | 386 | |
6c4486e6 PA |
387 | p = args + strlen (args); |
388 | if (p[-1] == '&') | |
43ff13b4 | 389 | { |
6c4486e6 PA |
390 | p--; |
391 | while (p > args && isspace (p[-1])) | |
392 | p--; | |
393 | ||
394 | *bg_char_p = 1; | |
395 | if (p != args) | |
396 | return savestring (args, p - args); | |
397 | else | |
398 | return NULL; | |
43ff13b4 | 399 | } |
6c4486e6 PA |
400 | |
401 | *bg_char_p = 0; | |
402 | return xstrdup (args); | |
43ff13b4 JM |
403 | } |
404 | ||
281b533b DJ |
405 | /* Common actions to take after creating any sort of inferior, by any |
406 | means (running, attaching, connecting, et cetera). The target | |
407 | should be stopped. */ | |
408 | ||
409 | void | |
410 | post_create_inferior (struct target_ops *target, int from_tty) | |
411 | { | |
ce406537 | 412 | |
b79599ff | 413 | /* Be sure we own the terminal in case write operations are performed. */ |
223ffa71 | 414 | target_terminal::ours_for_output (); |
b79599ff | 415 | |
424163ea DJ |
416 | /* If the target hasn't taken care of this already, do it now. |
417 | Targets which need to access registers during to_open, | |
418 | to_create_inferior, or to_attach should do it earlier; but many | |
419 | don't need to. */ | |
420 | target_find_description (); | |
421 | ||
ce406537 PA |
422 | /* Now that we know the register layout, retrieve current PC. But |
423 | if the PC is unavailable (e.g., we're opening a core file with | |
424 | missing registers info), ignore it. */ | |
425 | stop_pc = 0; | |
492d29ea | 426 | TRY |
ce406537 PA |
427 | { |
428 | stop_pc = regcache_read_pc (get_current_regcache ()); | |
429 | } | |
492d29ea | 430 | CATCH (ex, RETURN_MASK_ERROR) |
7556d4a4 PA |
431 | { |
432 | if (ex.error != NOT_AVAILABLE_ERROR) | |
433 | throw_exception (ex); | |
434 | } | |
492d29ea | 435 | END_CATCH |
f698437e | 436 | |
50c71eaf PA |
437 | if (exec_bfd) |
438 | { | |
2eff07b3 PP |
439 | const unsigned solib_add_generation |
440 | = current_program_space->solib_add_generation; | |
441 | ||
9353355f DJ |
442 | /* Create the hooks to handle shared library load and unload |
443 | events. */ | |
268a4a75 | 444 | solib_create_inferior_hook (from_tty); |
268a4a75 | 445 | |
2eff07b3 PP |
446 | if (current_program_space->solib_add_generation == solib_add_generation) |
447 | { | |
448 | /* The platform-specific hook should load initial shared libraries, | |
449 | but didn't. FROM_TTY will be incorrectly 0 but such solib | |
450 | targets should be fixed anyway. Call it only after the solib | |
451 | target has been initialized by solib_create_inferior_hook. */ | |
452 | ||
453 | if (info_verbose) | |
454 | warning (_("platform-specific solib_create_inferior_hook did " | |
455 | "not load initial shared libraries.")); | |
456 | ||
457 | /* If the solist is global across processes, there's no need to | |
458 | refetch it here. */ | |
f5656ead | 459 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
e696b3ad | 460 | solib_add (NULL, 0, auto_solib_add); |
2eff07b3 | 461 | } |
9353355f DJ |
462 | } |
463 | ||
ea5d7a99 PM |
464 | /* If the user sets watchpoints before execution having started, |
465 | then she gets software watchpoints, because GDB can't know which | |
466 | target will end up being pushed, or if it supports hardware | |
467 | watchpoints or not. breakpoint_re_set takes care of promoting | |
468 | watchpoints to hardware watchpoints if possible, however, if this | |
469 | new inferior doesn't load shared libraries or we don't pull in | |
470 | symbols from any other source on this target/arch, | |
471 | breakpoint_re_set is never called. Call it now so that software | |
472 | watchpoints get a chance to be promoted to hardware watchpoints | |
473 | if the now pushed target supports hardware watchpoints. */ | |
474 | breakpoint_re_set (); | |
475 | ||
281b533b DJ |
476 | observer_notify_inferior_created (target, from_tty); |
477 | } | |
478 | ||
a4d5f2e0 JB |
479 | /* Kill the inferior if already running. This function is designed |
480 | to be called when we are about to start the execution of the program | |
481 | from the beginning. Ask the user to confirm that he wants to restart | |
482 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 483 | |
8edfe269 | 484 | static void |
a4d5f2e0 JB |
485 | kill_if_already_running (int from_tty) |
486 | { | |
39f77062 | 487 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 488 | { |
8edfe269 DJ |
489 | /* Bail out before killing the program if we will not be able to |
490 | restart it. */ | |
491 | target_require_runnable (); | |
492 | ||
adf40b2e | 493 | if (from_tty |
9e2f0ad4 HZ |
494 | && !query (_("The program being debugged has been started already.\n\ |
495 | Start it from the beginning? "))) | |
8a3fe4f8 | 496 | error (_("Program not restarted.")); |
c906108c | 497 | target_kill (); |
c906108c | 498 | } |
a4d5f2e0 JB |
499 | } |
500 | ||
329ea579 | 501 | /* See inferior.h. */ |
8bc2fe48 | 502 | |
329ea579 | 503 | void |
8bc2fe48 PA |
504 | prepare_execution_command (struct target_ops *target, int background) |
505 | { | |
506 | /* If we get a request for running in the bg but the target | |
507 | doesn't support it, error out. */ | |
508 | if (background && !target->to_can_async_p (target)) | |
509 | error (_("Asynchronous execution not supported on this target.")); | |
510 | ||
0b333c5e | 511 | if (!background) |
8bc2fe48 | 512 | { |
0b333c5e PA |
513 | /* If we get a request for running in the fg, then we need to |
514 | simulate synchronous (fg) execution. Note no cleanup is | |
515 | necessary for this. stdin is re-enabled whenever an error | |
516 | reaches the top level. */ | |
a8836c93 | 517 | all_uis_on_sync_execution_starting (); |
8bc2fe48 PA |
518 | } |
519 | } | |
520 | ||
4e5a4f58 JB |
521 | /* Determine how the new inferior will behave. */ |
522 | ||
523 | enum run_how | |
524 | { | |
525 | /* Run program without any explicit stop during startup. */ | |
526 | RUN_NORMAL, | |
527 | ||
528 | /* Stop at the beginning of the program's main function. */ | |
529 | RUN_STOP_AT_MAIN, | |
530 | ||
531 | /* Stop at the first instruction of the program. */ | |
532 | RUN_STOP_AT_FIRST_INSN | |
533 | }; | |
534 | ||
535 | /* Implement the "run" command. Force a stop during program start if | |
536 | requested by RUN_HOW. */ | |
f67a969f | 537 | |
a4d5f2e0 | 538 | static void |
4e5a4f58 | 539 | run_command_1 (char *args, int from_tty, enum run_how run_how) |
a4d5f2e0 | 540 | { |
7c5ded6a | 541 | const char *exec_file; |
29f49a6a PA |
542 | struct cleanup *old_chain; |
543 | ptid_t ptid; | |
79a45e25 | 544 | struct ui_out *uiout = current_uiout; |
b3ccfe11 | 545 | struct target_ops *run_target; |
6c4486e6 PA |
546 | int async_exec; |
547 | struct cleanup *args_chain; | |
4e5a4f58 | 548 | CORE_ADDR pc; |
c906108c | 549 | |
a4d5f2e0 JB |
550 | dont_repeat (); |
551 | ||
552 | kill_if_already_running (from_tty); | |
3c35e65b UW |
553 | |
554 | init_wait_for_inferior (); | |
c906108c SS |
555 | clear_breakpoint_hit_counts (); |
556 | ||
fd79ecee DJ |
557 | /* Clean up any leftovers from other runs. Some other things from |
558 | this function should probably be moved into target_pre_inferior. */ | |
559 | target_pre_inferior (from_tty); | |
560 | ||
39ad761d JB |
561 | /* The comment here used to read, "The exec file is re-read every |
562 | time we do a generic_mourn_inferior, so we just have to worry | |
563 | about the symbol file." The `generic_mourn_inferior' function | |
564 | gets called whenever the program exits. However, suppose the | |
565 | program exits, and *then* the executable file changes? We need | |
566 | to check again here. Since reopen_exec_file doesn't do anything | |
567 | if the timestamp hasn't changed, I don't see the harm. */ | |
568 | reopen_exec_file (); | |
c906108c SS |
569 | reread_symbols (); |
570 | ||
6c4486e6 PA |
571 | args = strip_bg_char (args, &async_exec); |
572 | args_chain = make_cleanup (xfree, args); | |
f67a969f | 573 | |
8bc2fe48 PA |
574 | /* Do validation and preparation before possibly changing anything |
575 | in the inferior. */ | |
39ad761d | 576 | |
b3ccfe11 TT |
577 | run_target = find_run_target (); |
578 | ||
8bc2fe48 PA |
579 | prepare_execution_command (run_target, async_exec); |
580 | ||
b3ccfe11 | 581 | if (non_stop && !run_target->to_supports_non_stop (run_target)) |
9908b566 VP |
582 | error (_("The target does not support running in non-stop mode.")); |
583 | ||
8bc2fe48 PA |
584 | /* Done. Can now set breakpoints, change inferior args, etc. */ |
585 | ||
4e5a4f58 JB |
586 | /* Insert temporary breakpoint in main function if requested. */ |
587 | if (run_how == RUN_STOP_AT_MAIN) | |
8bc2fe48 PA |
588 | tbreak_command (main_name (), 0); |
589 | ||
7c5ded6a | 590 | exec_file = get_exec_file (0); |
8bc2fe48 | 591 | |
c906108c SS |
592 | /* We keep symbols from add-symbol-file, on the grounds that the |
593 | user might want to add some symbols before running the program | |
594 | (right?). But sometimes (dynamic loading where the user manually | |
595 | introduces the new symbols with add-symbol-file), the code which | |
596 | the symbols describe does not persist between runs. Currently | |
597 | the user has to manually nuke all symbols between runs if they | |
598 | want them to go away (PR 2207). This is probably reasonable. */ | |
599 | ||
8bc2fe48 PA |
600 | /* If there were other args, beside '&', process them. */ |
601 | if (args != NULL) | |
602 | set_inferior_args (args); | |
c906108c SS |
603 | |
604 | if (from_tty) | |
605 | { | |
112e8700 SM |
606 | uiout->field_string (NULL, "Starting program"); |
607 | uiout->text (": "); | |
8b93c638 | 608 | if (exec_file) |
112e8700 SM |
609 | uiout->field_string ("execfile", exec_file); |
610 | uiout->spaces (1); | |
552c04a7 TT |
611 | /* We call get_inferior_args() because we might need to compute |
612 | the value now. */ | |
112e8700 SM |
613 | uiout->field_string ("infargs", get_inferior_args ()); |
614 | uiout->text ("\n"); | |
615 | uiout->flush (); | |
c906108c SS |
616 | } |
617 | ||
6c4486e6 PA |
618 | /* Done with ARGS. */ |
619 | do_cleanups (args_chain); | |
620 | ||
552c04a7 TT |
621 | /* We call get_inferior_args() because we might need to compute |
622 | the value now. */ | |
7c5ded6a SDJ |
623 | run_target->to_create_inferior (run_target, exec_file, |
624 | std::string (get_inferior_args ()), | |
9a6c7d9c | 625 | current_inferior ()->environment.envp (), |
b3ccfe11 TT |
626 | from_tty); |
627 | /* to_create_inferior should push the target, so after this point we | |
628 | shouldn't refer to run_target again. */ | |
629 | run_target = NULL; | |
281b533b | 630 | |
29f49a6a PA |
631 | /* We're starting off a new process. When we get out of here, in |
632 | non-stop mode, finish the state of all threads of that process, | |
633 | but leave other threads alone, as they may be stopped in internal | |
634 | events --- the frontend shouldn't see them as stopped. In | |
635 | all-stop, always finish the state of all threads, as we may be | |
636 | resuming more than just the new process. */ | |
637 | if (non_stop) | |
638 | ptid = pid_to_ptid (ptid_get_pid (inferior_ptid)); | |
639 | else | |
640 | ptid = minus_one_ptid; | |
641 | old_chain = make_cleanup (finish_thread_state_cleanup, &ptid); | |
642 | ||
de1b3c3d PA |
643 | /* Pass zero for FROM_TTY, because at this point the "run" command |
644 | has done its thing; now we are setting up the running program. */ | |
645 | post_create_inferior (¤t_target, 0); | |
281b533b | 646 | |
4e5a4f58 JB |
647 | /* Queue a pending event so that the program stops immediately. */ |
648 | if (run_how == RUN_STOP_AT_FIRST_INSN) | |
649 | { | |
650 | thread_info *thr = inferior_thread (); | |
651 | thr->suspend.waitstatus_pending_p = 1; | |
652 | thr->suspend.waitstatus.kind = TARGET_WAITKIND_STOPPED; | |
653 | thr->suspend.waitstatus.value.sig = GDB_SIGNAL_0; | |
654 | } | |
655 | ||
74d1f91e JK |
656 | /* Start the target running. Do not use -1 continuation as it would skip |
657 | breakpoint right at the entry point. */ | |
64ce06e4 | 658 | proceed (regcache_read_pc (get_current_regcache ()), GDB_SIGNAL_0); |
c906108c | 659 | |
29f49a6a PA |
660 | /* Since there was no error, there's no need to finish the thread |
661 | states here. */ | |
662 | discard_cleanups (old_chain); | |
663 | } | |
c906108c | 664 | |
f67a969f JB |
665 | static void |
666 | run_command (char *args, int from_tty) | |
667 | { | |
4e5a4f58 | 668 | run_command_1 (args, from_tty, RUN_NORMAL); |
f67a969f JB |
669 | } |
670 | ||
a4d5f2e0 JB |
671 | /* Start the execution of the program up until the beginning of the main |
672 | program. */ | |
673 | ||
674 | static void | |
675 | start_command (char *args, int from_tty) | |
676 | { | |
677 | /* Some languages such as Ada need to search inside the program | |
678 | minimal symbols for the location where to put the temporary | |
679 | breakpoint before starting. */ | |
680 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 681 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 682 | |
f67a969f | 683 | /* Run the program until reaching the main procedure... */ |
4e5a4f58 JB |
684 | run_command_1 (args, from_tty, RUN_STOP_AT_MAIN); |
685 | } | |
686 | ||
687 | /* Start the execution of the program stopping at the first | |
688 | instruction. */ | |
689 | ||
690 | static void | |
691 | starti_command (char *args, int from_tty) | |
692 | { | |
693 | run_command_1 (args, from_tty, RUN_STOP_AT_FIRST_INSN); | |
a4d5f2e0 JB |
694 | } |
695 | ||
8cae4b3f PA |
696 | static int |
697 | proceed_thread_callback (struct thread_info *thread, void *arg) | |
698 | { | |
74531fed PA |
699 | /* We go through all threads individually instead of compressing |
700 | into a single target `resume_all' request, because some threads | |
701 | may be stopped in internal breakpoints/events, or stopped waiting | |
702 | for its turn in the displaced stepping queue (that is, they are | |
703 | running && !executing). The target side has no idea about why | |
704 | the thread is stopped, so a `resume_all' command would resume too | |
705 | much. If/when GDB gains a way to tell the target `hold this | |
706 | thread stopped until I say otherwise', then we can optimize | |
707 | this. */ | |
4f8d22e3 | 708 | if (!is_stopped (thread->ptid)) |
8cae4b3f PA |
709 | return 0; |
710 | ||
dcf4fbde | 711 | switch_to_thread (thread->ptid); |
70509625 | 712 | clear_proceed_status (0); |
64ce06e4 | 713 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
8cae4b3f PA |
714 | return 0; |
715 | } | |
716 | ||
70221824 | 717 | static void |
d729566a PA |
718 | ensure_valid_thread (void) |
719 | { | |
720 | if (ptid_equal (inferior_ptid, null_ptid) | |
721 | || is_exited (inferior_ptid)) | |
3e43a32a | 722 | error (_("Cannot execute this command without a live selected thread.")); |
d729566a PA |
723 | } |
724 | ||
573cda03 | 725 | /* If the user is looking at trace frames, any resumption of execution |
1777feb0 | 726 | is likely to mix up recorded and live target data. So simply |
573cda03 SS |
727 | disallow those commands. */ |
728 | ||
70221824 | 729 | static void |
573cda03 SS |
730 | ensure_not_tfind_mode (void) |
731 | { | |
732 | if (get_traceframe_number () >= 0) | |
3e43a32a | 733 | error (_("Cannot execute this command while looking at trace frames.")); |
573cda03 SS |
734 | } |
735 | ||
3d3fef6b YQ |
736 | /* Throw an error indicating the current thread is running. */ |
737 | ||
738 | static void | |
739 | error_is_running (void) | |
740 | { | |
741 | error (_("Cannot execute this command while " | |
742 | "the selected thread is running.")); | |
743 | } | |
744 | ||
745 | /* Calls error_is_running if the current thread is running. */ | |
746 | ||
747 | static void | |
748 | ensure_not_running (void) | |
749 | { | |
750 | if (is_running (inferior_ptid)) | |
751 | error_is_running (); | |
752 | } | |
753 | ||
77ebaa5a VP |
754 | void |
755 | continue_1 (int all_threads) | |
756 | { | |
3d488bfc | 757 | ERROR_NO_INFERIOR; |
573cda03 | 758 | ensure_not_tfind_mode (); |
3d488bfc | 759 | |
77ebaa5a VP |
760 | if (non_stop && all_threads) |
761 | { | |
762 | /* Don't error out if the current thread is running, because | |
abbb1732 | 763 | there may be other stopped threads. */ |
77ebaa5a | 764 | |
5ed8105e PA |
765 | /* Backup current thread and selected frame and restore on scope |
766 | exit. */ | |
767 | scoped_restore_current_thread restore_thread; | |
77ebaa5a VP |
768 | |
769 | iterate_over_threads (proceed_thread_callback, NULL); | |
770 | ||
3b12939d | 771 | if (current_ui->prompt_state == PROMPT_BLOCKED) |
0ff33695 PA |
772 | { |
773 | /* If all threads in the target were already running, | |
774 | proceed_thread_callback ends up never calling proceed, | |
775 | and so nothing calls this to put the inferior's terminal | |
776 | settings in effect and remove stdin from the event loop, | |
777 | which we must when running a foreground command. E.g.: | |
778 | ||
779 | (gdb) c -a& | |
780 | Continuing. | |
781 | <all threads are running now> | |
782 | (gdb) c -a | |
783 | Continuing. | |
784 | <no thread was resumed, but the inferior now owns the terminal> | |
785 | */ | |
223ffa71 | 786 | target_terminal::inferior (); |
0ff33695 | 787 | } |
77ebaa5a VP |
788 | } |
789 | else | |
790 | { | |
d729566a | 791 | ensure_valid_thread (); |
77ebaa5a | 792 | ensure_not_running (); |
70509625 | 793 | clear_proceed_status (0); |
64ce06e4 | 794 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
77ebaa5a VP |
795 | } |
796 | } | |
797 | ||
8cae4b3f | 798 | /* continue [-a] [proceed-count] [&] */ |
6339bfc4 | 799 | |
1dd5fedc | 800 | static void |
8cae4b3f | 801 | continue_command (char *args, int from_tty) |
c906108c | 802 | { |
6c4486e6 | 803 | int async_exec; |
8cae4b3f | 804 | int all_threads = 0; |
6c4486e6 PA |
805 | struct cleanup *args_chain; |
806 | ||
c906108c SS |
807 | ERROR_NO_INFERIOR; |
808 | ||
1777feb0 | 809 | /* Find out whether we must run in the background. */ |
6c4486e6 PA |
810 | args = strip_bg_char (args, &async_exec); |
811 | args_chain = make_cleanup (xfree, args); | |
43ff13b4 | 812 | |
8cae4b3f PA |
813 | if (args != NULL) |
814 | { | |
61012eef | 815 | if (startswith (args, "-a")) |
8cae4b3f PA |
816 | { |
817 | all_threads = 1; | |
818 | args += sizeof ("-a") - 1; | |
819 | if (*args == '\0') | |
820 | args = NULL; | |
821 | } | |
822 | } | |
823 | ||
824 | if (!non_stop && all_threads) | |
825 | error (_("`-a' is meaningless in all-stop mode.")); | |
826 | ||
827 | if (args != NULL && all_threads) | |
3e43a32a MS |
828 | error (_("Can't resume all threads and specify " |
829 | "proceed count simultaneously.")); | |
8cae4b3f PA |
830 | |
831 | /* If we have an argument left, set proceed count of breakpoint we | |
832 | stopped at. */ | |
833 | if (args != NULL) | |
c906108c | 834 | { |
347bddb7 | 835 | bpstat bs = NULL; |
8671a17b PA |
836 | int num, stat; |
837 | int stopped = 0; | |
347bddb7 PA |
838 | struct thread_info *tp; |
839 | ||
840 | if (non_stop) | |
e09875d4 | 841 | tp = find_thread_ptid (inferior_ptid); |
347bddb7 PA |
842 | else |
843 | { | |
844 | ptid_t last_ptid; | |
845 | struct target_waitstatus ws; | |
846 | ||
847 | get_last_target_status (&last_ptid, &ws); | |
e09875d4 | 848 | tp = find_thread_ptid (last_ptid); |
347bddb7 PA |
849 | } |
850 | if (tp != NULL) | |
16c381f0 | 851 | bs = tp->control.stop_bpstat; |
8671a17b PA |
852 | |
853 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
854 | if (stat > 0) | |
855 | { | |
856 | set_ignore_count (num, | |
8cae4b3f | 857 | parse_and_eval_long (args) - 1, |
8671a17b PA |
858 | from_tty); |
859 | /* set_ignore_count prints a message ending with a period. | |
860 | So print two spaces before "Continuing.". */ | |
861 | if (from_tty) | |
862 | printf_filtered (" "); | |
863 | stopped = 1; | |
864 | } | |
865 | ||
866 | if (!stopped && from_tty) | |
c906108c SS |
867 | { |
868 | printf_filtered | |
869 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
870 | } | |
c906108c SS |
871 | } |
872 | ||
6c4486e6 PA |
873 | /* Done with ARGS. */ |
874 | do_cleanups (args_chain); | |
875 | ||
3b12939d PA |
876 | ERROR_NO_INFERIOR; |
877 | ensure_not_tfind_mode (); | |
878 | ||
879 | if (!non_stop || !all_threads) | |
880 | { | |
881 | ensure_valid_thread (); | |
882 | ensure_not_running (); | |
883 | } | |
884 | ||
885 | prepare_execution_command (¤t_target, async_exec); | |
886 | ||
c906108c | 887 | if (from_tty) |
a3f17187 | 888 | printf_filtered (_("Continuing.\n")); |
c906108c | 889 | |
77ebaa5a | 890 | continue_1 (all_threads); |
c906108c SS |
891 | } |
892 | \f | |
edb3359d DJ |
893 | /* Record the starting point of a "step" or "next" command. */ |
894 | ||
895 | static void | |
896 | set_step_frame (void) | |
897 | { | |
51abb421 | 898 | frame_info *frame = get_current_frame (); |
edb3359d | 899 | |
51abb421 | 900 | symtab_and_line sal = find_frame_sal (frame); |
64ce06e4 | 901 | set_step_info (frame, sal); |
51abb421 PA |
902 | |
903 | CORE_ADDR pc = get_frame_pc (frame); | |
904 | thread_info *tp = inferior_thread (); | |
64ce06e4 | 905 | tp->control.step_start_function = find_pc_function (pc); |
edb3359d DJ |
906 | } |
907 | ||
c906108c SS |
908 | /* Step until outside of current statement. */ |
909 | ||
c906108c | 910 | static void |
fba45db2 | 911 | step_command (char *count_string, int from_tty) |
c906108c SS |
912 | { |
913 | step_1 (0, 0, count_string); | |
914 | } | |
915 | ||
916 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
917 | ||
c906108c | 918 | static void |
fba45db2 | 919 | next_command (char *count_string, int from_tty) |
c906108c SS |
920 | { |
921 | step_1 (1, 0, count_string); | |
922 | } | |
923 | ||
924 | /* Likewise, but step only one instruction. */ | |
925 | ||
1dd5fedc | 926 | static void |
fba45db2 | 927 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
928 | { |
929 | step_1 (0, 1, count_string); | |
930 | } | |
931 | ||
1dd5fedc | 932 | static void |
fba45db2 | 933 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
934 | { |
935 | step_1 (1, 1, count_string); | |
936 | } | |
937 | ||
186c406b | 938 | void |
611c83ae | 939 | delete_longjmp_breakpoint_cleanup (void *arg) |
74b7792f | 940 | { |
611c83ae PA |
941 | int thread = * (int *) arg; |
942 | delete_longjmp_breakpoint (thread); | |
74b7792f AC |
943 | } |
944 | ||
243a9253 PA |
945 | /* Data for the FSM that manages the step/next/stepi/nexti |
946 | commands. */ | |
947 | ||
948 | struct step_command_fsm | |
949 | { | |
950 | /* The base class. */ | |
951 | struct thread_fsm thread_fsm; | |
952 | ||
953 | /* How many steps left in a "step N"-like command. */ | |
954 | int count; | |
955 | ||
956 | /* If true, this is a next/nexti, otherwise a step/stepi. */ | |
957 | int skip_subroutines; | |
958 | ||
959 | /* If true, this is a stepi/nexti, otherwise a step/step. */ | |
960 | int single_inst; | |
243a9253 PA |
961 | }; |
962 | ||
8980e177 PA |
963 | static void step_command_fsm_clean_up (struct thread_fsm *self, |
964 | struct thread_info *thread); | |
965 | static int step_command_fsm_should_stop (struct thread_fsm *self, | |
966 | struct thread_info *thread); | |
243a9253 PA |
967 | static enum async_reply_reason |
968 | step_command_fsm_async_reply_reason (struct thread_fsm *self); | |
969 | ||
970 | /* step_command_fsm's vtable. */ | |
971 | ||
972 | static struct thread_fsm_ops step_command_fsm_ops = | |
973 | { | |
974 | NULL, | |
975 | step_command_fsm_clean_up, | |
976 | step_command_fsm_should_stop, | |
977 | NULL, /* return_value */ | |
978 | step_command_fsm_async_reply_reason, | |
979 | }; | |
980 | ||
981 | /* Allocate a new step_command_fsm. */ | |
982 | ||
983 | static struct step_command_fsm * | |
8980e177 | 984 | new_step_command_fsm (struct interp *cmd_interp) |
243a9253 PA |
985 | { |
986 | struct step_command_fsm *sm; | |
987 | ||
988 | sm = XCNEW (struct step_command_fsm); | |
8980e177 | 989 | thread_fsm_ctor (&sm->thread_fsm, &step_command_fsm_ops, cmd_interp); |
243a9253 PA |
990 | |
991 | return sm; | |
992 | } | |
993 | ||
994 | /* Prepare for a step/next/etc. command. Any target resource | |
995 | allocated here is undone in the FSM's clean_up method. */ | |
996 | ||
997 | static void | |
998 | step_command_fsm_prepare (struct step_command_fsm *sm, | |
999 | int skip_subroutines, int single_inst, | |
1000 | int count, struct thread_info *thread) | |
1001 | { | |
1002 | sm->skip_subroutines = skip_subroutines; | |
1003 | sm->single_inst = single_inst; | |
1004 | sm->count = count; | |
243a9253 PA |
1005 | |
1006 | /* Leave the si command alone. */ | |
1007 | if (!sm->single_inst || sm->skip_subroutines) | |
1008 | set_longjmp_breakpoint (thread, get_frame_id (get_current_frame ())); | |
1009 | ||
1010 | thread->control.stepping_command = 1; | |
1011 | } | |
1012 | ||
1013 | static int prepare_one_step (struct step_command_fsm *sm); | |
1014 | ||
c906108c | 1015 | static void |
fba45db2 | 1016 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 1017 | { |
243a9253 | 1018 | int count; |
6c4486e6 | 1019 | int async_exec; |
6c4486e6 | 1020 | struct cleanup *args_chain; |
243a9253 PA |
1021 | struct thread_info *thr; |
1022 | struct step_command_fsm *step_sm; | |
c5aa993b | 1023 | |
c906108c | 1024 | ERROR_NO_INFERIOR; |
573cda03 | 1025 | ensure_not_tfind_mode (); |
d729566a | 1026 | ensure_valid_thread (); |
94cc34af | 1027 | ensure_not_running (); |
43ff13b4 | 1028 | |
6c4486e6 PA |
1029 | count_string = strip_bg_char (count_string, &async_exec); |
1030 | args_chain = make_cleanup (xfree, count_string); | |
c5aa993b | 1031 | |
8bc2fe48 | 1032 | prepare_execution_command (¤t_target, async_exec); |
43ff13b4 | 1033 | |
bb518678 | 1034 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 1035 | |
6c4486e6 PA |
1036 | /* Done with ARGS. */ |
1037 | do_cleanups (args_chain); | |
1038 | ||
243a9253 | 1039 | clear_proceed_status (1); |
611c83ae | 1040 | |
243a9253 PA |
1041 | /* Setup the execution command state machine to handle all the COUNT |
1042 | steps. */ | |
1043 | thr = inferior_thread (); | |
8980e177 | 1044 | step_sm = new_step_command_fsm (command_interp ()); |
243a9253 | 1045 | thr->thread_fsm = &step_sm->thread_fsm; |
611c83ae | 1046 | |
243a9253 PA |
1047 | step_command_fsm_prepare (step_sm, skip_subroutines, |
1048 | single_inst, count, thr); | |
c2d11a7d | 1049 | |
0b333c5e PA |
1050 | /* Do only one step for now, before returning control to the event |
1051 | loop. Let the continuation figure out how many other steps we | |
1052 | need to do, and handle them one at the time, through | |
1053 | step_once. */ | |
243a9253 PA |
1054 | if (!prepare_one_step (step_sm)) |
1055 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); | |
1056 | else | |
1057 | { | |
3b12939d PA |
1058 | int proceeded; |
1059 | ||
243a9253 PA |
1060 | /* Stepped into an inline frame. Pretend that we've |
1061 | stopped. */ | |
8980e177 | 1062 | thread_fsm_clean_up (thr->thread_fsm, thr); |
3b12939d PA |
1063 | proceeded = normal_stop (); |
1064 | if (!proceeded) | |
1065 | inferior_event_handler (INF_EXEC_COMPLETE, NULL); | |
1066 | all_uis_check_sync_execution_done (); | |
243a9253 | 1067 | } |
c2d11a7d | 1068 | } |
c906108c | 1069 | |
243a9253 PA |
1070 | /* Implementation of the 'should_stop' FSM method for stepping |
1071 | commands. Called after we are done with one step operation, to | |
1072 | check whether we need to step again, before we print the prompt and | |
1073 | return control to the user. If count is > 1, returns false, as we | |
1074 | will need to keep going. */ | |
6339bfc4 | 1075 | |
243a9253 | 1076 | static int |
8980e177 | 1077 | step_command_fsm_should_stop (struct thread_fsm *self, struct thread_info *tp) |
c2d11a7d | 1078 | { |
243a9253 | 1079 | struct step_command_fsm *sm = (struct step_command_fsm *) self; |
f13468d9 | 1080 | |
243a9253 | 1081 | if (tp->control.stop_step) |
f13468d9 | 1082 | { |
243a9253 PA |
1083 | /* There are more steps to make, and we did stop due to |
1084 | ending a stepping range. Do another step. */ | |
1085 | if (--sm->count > 0) | |
1086 | return prepare_one_step (sm); | |
af679fd0 | 1087 | |
243a9253 | 1088 | thread_fsm_set_finished (self); |
f107f563 | 1089 | } |
af679fd0 | 1090 | |
243a9253 | 1091 | return 1; |
c2d11a7d JM |
1092 | } |
1093 | ||
243a9253 | 1094 | /* Implementation of the 'clean_up' FSM method for stepping commands. */ |
37d94800 PA |
1095 | |
1096 | static void | |
8980e177 | 1097 | step_command_fsm_clean_up (struct thread_fsm *self, struct thread_info *thread) |
bfec99b2 | 1098 | { |
243a9253 PA |
1099 | struct step_command_fsm *sm = (struct step_command_fsm *) self; |
1100 | ||
1101 | if (!sm->single_inst || sm->skip_subroutines) | |
8980e177 | 1102 | delete_longjmp_breakpoint (thread->global_num); |
243a9253 PA |
1103 | } |
1104 | ||
1105 | /* Implementation of the 'async_reply_reason' FSM method for stepping | |
1106 | commands. */ | |
1107 | ||
1108 | static enum async_reply_reason | |
1109 | step_command_fsm_async_reply_reason (struct thread_fsm *self) | |
1110 | { | |
1111 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
1112 | } | |
1113 | ||
1114 | /* Prepare for one step in "step N". The actual target resumption is | |
1115 | done by the caller. Return true if we're done and should thus | |
1116 | report a stop to the user. Returns false if the target needs to be | |
1117 | resumed. */ | |
c2d11a7d | 1118 | |
243a9253 PA |
1119 | static int |
1120 | prepare_one_step (struct step_command_fsm *sm) | |
1121 | { | |
1122 | if (sm->count > 0) | |
c906108c | 1123 | { |
243a9253 PA |
1124 | struct frame_info *frame = get_current_frame (); |
1125 | ||
4e1c45ea PA |
1126 | /* Don't assume THREAD is a valid thread id. It is set to -1 if |
1127 | the longjmp breakpoint was not required. Use the | |
1128 | INFERIOR_PTID thread instead, which is the same thread when | |
1129 | THREAD is set. */ | |
1130 | struct thread_info *tp = inferior_thread (); | |
abbb1732 | 1131 | |
edb3359d | 1132 | set_step_frame (); |
c906108c | 1133 | |
243a9253 | 1134 | if (!sm->single_inst) |
c906108c | 1135 | { |
1641cfcc PA |
1136 | CORE_ADDR pc; |
1137 | ||
edb3359d | 1138 | /* Step at an inlined function behaves like "down". */ |
243a9253 | 1139 | if (!sm->skip_subroutines |
edb3359d DJ |
1140 | && inline_skipped_frames (inferior_ptid)) |
1141 | { | |
09cee04b PA |
1142 | ptid_t resume_ptid; |
1143 | ||
1144 | /* Pretend that we've ran. */ | |
1145 | resume_ptid = user_visible_resume_ptid (1); | |
1146 | set_running (resume_ptid, 1); | |
1147 | ||
edb3359d | 1148 | step_into_inline_frame (inferior_ptid); |
243a9253 PA |
1149 | sm->count--; |
1150 | return prepare_one_step (sm); | |
edb3359d DJ |
1151 | } |
1152 | ||
1641cfcc PA |
1153 | pc = get_frame_pc (frame); |
1154 | find_pc_line_pc_range (pc, | |
16c381f0 JK |
1155 | &tp->control.step_range_start, |
1156 | &tp->control.step_range_end); | |
5fbbeb29 | 1157 | |
c1e36e3e PA |
1158 | tp->control.may_range_step = 1; |
1159 | ||
5fbbeb29 | 1160 | /* If we have no line info, switch to stepi mode. */ |
16c381f0 | 1161 | if (tp->control.step_range_end == 0 && step_stop_if_no_debug) |
c1e36e3e PA |
1162 | { |
1163 | tp->control.step_range_start = tp->control.step_range_end = 1; | |
1164 | tp->control.may_range_step = 0; | |
1165 | } | |
16c381f0 | 1166 | else if (tp->control.step_range_end == 0) |
c906108c | 1167 | { |
2c02bd72 | 1168 | const char *name; |
abbb1732 | 1169 | |
1641cfcc | 1170 | if (find_pc_partial_function (pc, &name, |
16c381f0 JK |
1171 | &tp->control.step_range_start, |
1172 | &tp->control.step_range_end) == 0) | |
8a3fe4f8 | 1173 | error (_("Cannot find bounds of current function")); |
c906108c | 1174 | |
223ffa71 | 1175 | target_terminal::ours_for_output (); |
3e43a32a MS |
1176 | printf_filtered (_("Single stepping until exit from function %s," |
1177 | "\nwhich has no line number information.\n"), | |
1178 | name); | |
c906108c SS |
1179 | } |
1180 | } | |
1181 | else | |
1182 | { | |
1183 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
16c381f0 | 1184 | tp->control.step_range_start = tp->control.step_range_end = 1; |
243a9253 | 1185 | if (!sm->skip_subroutines) |
c906108c SS |
1186 | /* It is stepi. |
1187 | Don't step over function calls, not even to functions lacking | |
1188 | line numbers. */ | |
16c381f0 | 1189 | tp->control.step_over_calls = STEP_OVER_NONE; |
c906108c SS |
1190 | } |
1191 | ||
243a9253 | 1192 | if (sm->skip_subroutines) |
16c381f0 | 1193 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1194 | |
243a9253 | 1195 | return 0; |
c906108c | 1196 | } |
243a9253 PA |
1197 | |
1198 | /* Done. */ | |
1199 | thread_fsm_set_finished (&sm->thread_fsm); | |
1200 | return 1; | |
c906108c | 1201 | } |
c2d11a7d | 1202 | |
c906108c SS |
1203 | \f |
1204 | /* Continue program at specified address. */ | |
1205 | ||
1206 | static void | |
fba45db2 | 1207 | jump_command (char *arg, int from_tty) |
c906108c | 1208 | { |
5af949e3 | 1209 | struct gdbarch *gdbarch = get_current_arch (); |
52f0bd74 | 1210 | CORE_ADDR addr; |
c906108c SS |
1211 | struct symbol *fn; |
1212 | struct symbol *sfn; | |
6c4486e6 PA |
1213 | int async_exec; |
1214 | struct cleanup *args_chain; | |
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. */ |
6c4486e6 PA |
1222 | arg = strip_bg_char (arg, &async_exec); |
1223 | args_chain = make_cleanup (xfree, arg); | |
43ff13b4 | 1224 | |
8bc2fe48 | 1225 | prepare_execution_command (¤t_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 | |
6c4486e6 PA |
1235 | /* Done with ARGS. */ |
1236 | do_cleanups (args_chain); | |
1237 | ||
6c5b2ebe PA |
1238 | symtab_and_line &sal = sals[0]; |
1239 | ||
c906108c | 1240 | if (sal.symtab == 0 && sal.pc == 0) |
8a3fe4f8 | 1241 | error (_("No source file has been specified.")); |
c906108c | 1242 | |
1777feb0 | 1243 | resolve_sal_pc (&sal); /* May error out. */ |
c906108c | 1244 | |
1777feb0 | 1245 | /* See if we are trying to jump to another function. */ |
c906108c SS |
1246 | fn = get_frame_function (get_current_frame ()); |
1247 | sfn = find_pc_function (sal.pc); | |
1248 | if (fn != NULL && sfn != fn) | |
1249 | { | |
9e2f0ad4 | 1250 | if (!query (_("Line %d is not in `%s'. Jump anyway? "), sal.line, |
de5ad195 | 1251 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 1252 | { |
8a3fe4f8 | 1253 | error (_("Not confirmed.")); |
c906108c SS |
1254 | /* NOTREACHED */ |
1255 | } | |
1256 | } | |
1257 | ||
c5aa993b | 1258 | if (sfn != NULL) |
c906108c | 1259 | { |
253342b8 DE |
1260 | struct obj_section *section; |
1261 | ||
c906108c | 1262 | fixup_symbol_section (sfn, 0); |
08be3fe3 | 1263 | section = SYMBOL_OBJ_SECTION (symbol_objfile (sfn), sfn); |
253342b8 DE |
1264 | if (section_is_overlay (section) |
1265 | && !section_is_mapped (section)) | |
c906108c | 1266 | { |
3e43a32a MS |
1267 | if (!query (_("WARNING!!! Destination is in " |
1268 | "unmapped overlay! Jump anyway? "))) | |
c906108c | 1269 | { |
8a3fe4f8 | 1270 | error (_("Not confirmed.")); |
c906108c SS |
1271 | /* NOTREACHED */ |
1272 | } | |
1273 | } | |
1274 | } | |
1275 | ||
c906108c SS |
1276 | addr = sal.pc; |
1277 | ||
1278 | if (from_tty) | |
1279 | { | |
a3f17187 | 1280 | printf_filtered (_("Continuing at ")); |
5af949e3 | 1281 | fputs_filtered (paddress (gdbarch, addr), gdb_stdout); |
c906108c SS |
1282 | printf_filtered (".\n"); |
1283 | } | |
1284 | ||
70509625 | 1285 | clear_proceed_status (0); |
64ce06e4 | 1286 | proceed (addr, GDB_SIGNAL_0); |
c906108c | 1287 | } |
c906108c | 1288 | \f |
c906108c SS |
1289 | /* Continue program giving it specified signal. */ |
1290 | ||
1291 | static void | |
fba45db2 | 1292 | signal_command (char *signum_exp, int from_tty) |
c906108c | 1293 | { |
2ea28649 | 1294 | enum gdb_signal oursig; |
6c4486e6 PA |
1295 | int async_exec; |
1296 | struct cleanup *args_chain; | |
c906108c SS |
1297 | |
1298 | dont_repeat (); /* Too dangerous. */ | |
1299 | ERROR_NO_INFERIOR; | |
573cda03 | 1300 | ensure_not_tfind_mode (); |
d729566a | 1301 | ensure_valid_thread (); |
94cc34af | 1302 | ensure_not_running (); |
c906108c | 1303 | |
32c1e744 | 1304 | /* Find out whether we must run in the background. */ |
6c4486e6 PA |
1305 | signum_exp = strip_bg_char (signum_exp, &async_exec); |
1306 | args_chain = make_cleanup (xfree, signum_exp); | |
32c1e744 | 1307 | |
8bc2fe48 | 1308 | prepare_execution_command (¤t_target, async_exec); |
32c1e744 | 1309 | |
c906108c | 1310 | if (!signum_exp) |
e2e0b3e5 | 1311 | error_no_arg (_("signal number")); |
c906108c SS |
1312 | |
1313 | /* It would be even slicker to make signal names be valid expressions, | |
1314 | (the type could be "enum $signal" or some such), then the user could | |
1315 | assign them to convenience variables. */ | |
2ea28649 | 1316 | oursig = gdb_signal_from_name (signum_exp); |
c906108c | 1317 | |
a493e3e2 | 1318 | if (oursig == GDB_SIGNAL_UNKNOWN) |
c906108c SS |
1319 | { |
1320 | /* No, try numeric. */ | |
bb518678 | 1321 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1322 | |
1323 | if (num == 0) | |
a493e3e2 | 1324 | oursig = GDB_SIGNAL_0; |
c906108c | 1325 | else |
2ea28649 | 1326 | oursig = gdb_signal_from_command (num); |
c906108c SS |
1327 | } |
1328 | ||
c6343a91 JK |
1329 | do_cleanups (args_chain); |
1330 | ||
70509625 PA |
1331 | /* Look for threads other than the current that this command ends up |
1332 | resuming too (due to schedlock off), and warn if they'll get a | |
1333 | signal delivered. "signal 0" is used to suppress a previous | |
1334 | signal, but if the current thread is no longer the one that got | |
1335 | the signal, then the user is potentially suppressing the signal | |
1336 | of the wrong thread. */ | |
1337 | if (!non_stop) | |
1338 | { | |
1339 | struct thread_info *tp; | |
1340 | ptid_t resume_ptid; | |
1341 | int must_confirm = 0; | |
1342 | ||
1343 | /* This indicates what will be resumed. Either a single thread, | |
1344 | a whole process, or all threads of all processes. */ | |
1345 | resume_ptid = user_visible_resume_ptid (0); | |
1346 | ||
1347 | ALL_NON_EXITED_THREADS (tp) | |
1348 | { | |
1349 | if (ptid_equal (tp->ptid, inferior_ptid)) | |
1350 | continue; | |
1351 | if (!ptid_match (tp->ptid, resume_ptid)) | |
1352 | continue; | |
1353 | ||
1354 | if (tp->suspend.stop_signal != GDB_SIGNAL_0 | |
1355 | && signal_pass_state (tp->suspend.stop_signal)) | |
1356 | { | |
1357 | if (!must_confirm) | |
1358 | printf_unfiltered (_("Note:\n")); | |
43792cf0 PA |
1359 | printf_unfiltered (_(" Thread %s previously stopped with signal %s, %s.\n"), |
1360 | print_thread_id (tp), | |
70509625 PA |
1361 | gdb_signal_to_name (tp->suspend.stop_signal), |
1362 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
1363 | must_confirm = 1; | |
1364 | } | |
1365 | } | |
1366 | ||
1367 | if (must_confirm | |
43792cf0 | 1368 | && !query (_("Continuing thread %s (the current thread) with specified signal will\n" |
70509625 PA |
1369 | "still deliver the signals noted above to their respective threads.\n" |
1370 | "Continue anyway? "), | |
43792cf0 | 1371 | print_thread_id (inferior_thread ()))) |
70509625 PA |
1372 | error (_("Not confirmed.")); |
1373 | } | |
1374 | ||
c906108c SS |
1375 | if (from_tty) |
1376 | { | |
a493e3e2 | 1377 | if (oursig == GDB_SIGNAL_0) |
a3f17187 | 1378 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1379 | else |
a3f17187 | 1380 | printf_filtered (_("Continuing with signal %s.\n"), |
2ea28649 | 1381 | gdb_signal_to_name (oursig)); |
c906108c SS |
1382 | } |
1383 | ||
70509625 | 1384 | clear_proceed_status (0); |
64ce06e4 | 1385 | proceed ((CORE_ADDR) -1, oursig); |
c906108c SS |
1386 | } |
1387 | ||
81219e53 DE |
1388 | /* Queue a signal to be delivered to the current thread. */ |
1389 | ||
1390 | static void | |
1391 | queue_signal_command (char *signum_exp, int from_tty) | |
1392 | { | |
1393 | enum gdb_signal oursig; | |
1394 | struct thread_info *tp; | |
1395 | ||
1396 | ERROR_NO_INFERIOR; | |
1397 | ensure_not_tfind_mode (); | |
1398 | ensure_valid_thread (); | |
1399 | ensure_not_running (); | |
1400 | ||
1401 | if (signum_exp == NULL) | |
1402 | error_no_arg (_("signal number")); | |
1403 | ||
1404 | /* It would be even slicker to make signal names be valid expressions, | |
1405 | (the type could be "enum $signal" or some such), then the user could | |
1406 | assign them to convenience variables. */ | |
1407 | oursig = gdb_signal_from_name (signum_exp); | |
1408 | ||
1409 | if (oursig == GDB_SIGNAL_UNKNOWN) | |
1410 | { | |
1411 | /* No, try numeric. */ | |
1412 | int num = parse_and_eval_long (signum_exp); | |
1413 | ||
1414 | if (num == 0) | |
1415 | oursig = GDB_SIGNAL_0; | |
1416 | else | |
1417 | oursig = gdb_signal_from_command (num); | |
1418 | } | |
1419 | ||
1420 | if (oursig != GDB_SIGNAL_0 | |
1421 | && !signal_pass_state (oursig)) | |
1422 | error (_("Signal handling set to not pass this signal to the program.")); | |
1423 | ||
1424 | tp = inferior_thread (); | |
1425 | tp->suspend.stop_signal = oursig; | |
1426 | } | |
1427 | ||
cfc31633 PA |
1428 | /* Data for the FSM that manages the until (with no argument) |
1429 | command. */ | |
1430 | ||
1431 | struct until_next_fsm | |
fa4cd53f | 1432 | { |
cfc31633 PA |
1433 | /* The base class. */ |
1434 | struct thread_fsm thread_fsm; | |
1435 | ||
1436 | /* The thread that as current when the command was executed. */ | |
fa4cd53f PA |
1437 | int thread; |
1438 | }; | |
1439 | ||
8980e177 PA |
1440 | static int until_next_fsm_should_stop (struct thread_fsm *self, |
1441 | struct thread_info *thread); | |
1442 | static void until_next_fsm_clean_up (struct thread_fsm *self, | |
1443 | struct thread_info *thread); | |
cfc31633 PA |
1444 | static enum async_reply_reason |
1445 | until_next_fsm_async_reply_reason (struct thread_fsm *self); | |
1446 | ||
1447 | /* until_next_fsm's vtable. */ | |
1448 | ||
1449 | static struct thread_fsm_ops until_next_fsm_ops = | |
1450 | { | |
1451 | NULL, /* dtor */ | |
1452 | until_next_fsm_clean_up, | |
1453 | until_next_fsm_should_stop, | |
1454 | NULL, /* return_value */ | |
1455 | until_next_fsm_async_reply_reason, | |
1456 | }; | |
1457 | ||
1458 | /* Allocate a new until_next_fsm. */ | |
1459 | ||
1460 | static struct until_next_fsm * | |
8980e177 | 1461 | new_until_next_fsm (struct interp *cmd_interp, int thread) |
cfc31633 PA |
1462 | { |
1463 | struct until_next_fsm *sm; | |
1464 | ||
1465 | sm = XCNEW (struct until_next_fsm); | |
8980e177 | 1466 | thread_fsm_ctor (&sm->thread_fsm, &until_next_fsm_ops, cmd_interp); |
cfc31633 PA |
1467 | |
1468 | sm->thread = thread; | |
1469 | ||
1470 | return sm; | |
1471 | } | |
1472 | ||
1473 | /* Implementation of the 'should_stop' FSM method for the until (with | |
1474 | no arg) command. */ | |
1475 | ||
1476 | static int | |
8980e177 PA |
1477 | until_next_fsm_should_stop (struct thread_fsm *self, |
1478 | struct thread_info *tp) | |
cfc31633 | 1479 | { |
cfc31633 PA |
1480 | if (tp->control.stop_step) |
1481 | thread_fsm_set_finished (self); | |
1482 | ||
1483 | return 1; | |
1484 | } | |
1485 | ||
1486 | /* Implementation of the 'clean_up' FSM method for the until (with no | |
1487 | arg) command. */ | |
186c406b TT |
1488 | |
1489 | static void | |
8980e177 | 1490 | until_next_fsm_clean_up (struct thread_fsm *self, struct thread_info *thread) |
186c406b | 1491 | { |
cfc31633 | 1492 | struct until_next_fsm *sm = (struct until_next_fsm *) self; |
186c406b | 1493 | |
8980e177 | 1494 | delete_longjmp_breakpoint (thread->global_num); |
cfc31633 PA |
1495 | } |
1496 | ||
1497 | /* Implementation of the 'async_reply_reason' FSM method for the until | |
1498 | (with no arg) command. */ | |
1499 | ||
1500 | static enum async_reply_reason | |
1501 | until_next_fsm_async_reply_reason (struct thread_fsm *self) | |
1502 | { | |
1503 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
186c406b TT |
1504 | } |
1505 | ||
c906108c SS |
1506 | /* Proceed until we reach a different source line with pc greater than |
1507 | our current one or exit the function. We skip calls in both cases. | |
1508 | ||
1509 | Note that eventually this command should probably be changed so | |
1510 | that only source lines are printed out when we hit the breakpoint | |
1511 | we set. This may involve changes to wait_for_inferior and the | |
1512 | proceed status code. */ | |
1513 | ||
c906108c | 1514 | static void |
fba45db2 | 1515 | until_next_command (int from_tty) |
c906108c SS |
1516 | { |
1517 | struct frame_info *frame; | |
1518 | CORE_ADDR pc; | |
1519 | struct symbol *func; | |
1520 | struct symtab_and_line sal; | |
4e1c45ea | 1521 | struct thread_info *tp = inferior_thread (); |
5d5658a1 | 1522 | int thread = tp->global_num; |
186c406b | 1523 | struct cleanup *old_chain; |
cfc31633 | 1524 | struct until_next_fsm *sm; |
c5aa993b | 1525 | |
70509625 | 1526 | clear_proceed_status (0); |
edb3359d | 1527 | set_step_frame (); |
c906108c SS |
1528 | |
1529 | frame = get_current_frame (); | |
1530 | ||
1531 | /* Step until either exited from this function or greater | |
1532 | than the current line (if in symbolic section) or pc (if | |
1777feb0 | 1533 | not). */ |
c906108c | 1534 | |
1c7819ef | 1535 | pc = get_frame_pc (frame); |
c906108c | 1536 | func = find_pc_function (pc); |
c5aa993b | 1537 | |
c906108c SS |
1538 | if (!func) |
1539 | { | |
7cbd4a93 | 1540 | struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (pc); |
c5aa993b | 1541 | |
7cbd4a93 | 1542 | if (msymbol.minsym == NULL) |
8a3fe4f8 | 1543 | error (_("Execution is not within a known function.")); |
c5aa993b | 1544 | |
77e371c0 | 1545 | tp->control.step_range_start = BMSYMBOL_VALUE_ADDRESS (msymbol); |
7e09a223 YQ |
1546 | /* The upper-bound of step_range is exclusive. In order to make PC |
1547 | within the range, set the step_range_end with PC + 1. */ | |
1548 | tp->control.step_range_end = pc + 1; | |
c906108c SS |
1549 | } |
1550 | else | |
1551 | { | |
1552 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1553 | |
16c381f0 JK |
1554 | tp->control.step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1555 | tp->control.step_range_end = sal.end; | |
c906108c | 1556 | } |
c1e36e3e | 1557 | tp->control.may_range_step = 1; |
c5aa993b | 1558 | |
16c381f0 | 1559 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1560 | |
186c406b TT |
1561 | set_longjmp_breakpoint (tp, get_frame_id (frame)); |
1562 | old_chain = make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); | |
1563 | ||
8980e177 | 1564 | sm = new_until_next_fsm (command_interp (), tp->global_num); |
cfc31633 PA |
1565 | tp->thread_fsm = &sm->thread_fsm; |
1566 | discard_cleanups (old_chain); | |
fa4cd53f | 1567 | |
cfc31633 | 1568 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
c906108c SS |
1569 | } |
1570 | ||
c5aa993b | 1571 | static void |
fba45db2 | 1572 | until_command (char *arg, int from_tty) |
c906108c | 1573 | { |
6c4486e6 PA |
1574 | int async_exec; |
1575 | struct cleanup *args_chain; | |
43ff13b4 | 1576 | |
4247603b | 1577 | ERROR_NO_INFERIOR; |
573cda03 | 1578 | ensure_not_tfind_mode (); |
4247603b PA |
1579 | ensure_valid_thread (); |
1580 | ensure_not_running (); | |
573cda03 | 1581 | |
1777feb0 | 1582 | /* Find out whether we must run in the background. */ |
6c4486e6 PA |
1583 | arg = strip_bg_char (arg, &async_exec); |
1584 | args_chain = make_cleanup (xfree, arg); | |
43ff13b4 | 1585 | |
8bc2fe48 | 1586 | prepare_execution_command (¤t_target, async_exec); |
43ff13b4 | 1587 | |
c906108c | 1588 | if (arg) |
ae66c1fc | 1589 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1590 | else |
1591 | until_next_command (from_tty); | |
6c4486e6 PA |
1592 | |
1593 | /* Done with ARGS. */ | |
1594 | do_cleanups (args_chain); | |
c906108c | 1595 | } |
ae66c1fc EZ |
1596 | |
1597 | static void | |
1598 | advance_command (char *arg, int from_tty) | |
1599 | { | |
6c4486e6 PA |
1600 | int async_exec; |
1601 | struct cleanup *args_chain; | |
ae66c1fc | 1602 | |
4247603b | 1603 | ERROR_NO_INFERIOR; |
573cda03 | 1604 | ensure_not_tfind_mode (); |
4247603b PA |
1605 | ensure_valid_thread (); |
1606 | ensure_not_running (); | |
573cda03 | 1607 | |
ae66c1fc | 1608 | if (arg == NULL) |
e2e0b3e5 | 1609 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1610 | |
1611 | /* Find out whether we must run in the background. */ | |
6c4486e6 PA |
1612 | arg = strip_bg_char (arg, &async_exec); |
1613 | args_chain = make_cleanup (xfree, arg); | |
ae66c1fc | 1614 | |
8bc2fe48 | 1615 | prepare_execution_command (¤t_target, async_exec); |
ae66c1fc EZ |
1616 | |
1617 | until_break_command (arg, from_tty, 1); | |
6c4486e6 PA |
1618 | |
1619 | /* Done with ARGS. */ | |
1620 | do_cleanups (args_chain); | |
ae66c1fc | 1621 | } |
c906108c | 1622 | \f |
cc72b2a2 | 1623 | /* Return the value of the result of a function at the end of a 'finish' |
8a6c4031 JK |
1624 | command/BP. DTOR_DATA (if not NULL) can represent inferior registers |
1625 | right after an inferior call has finished. */ | |
f941662f | 1626 | |
cc72b2a2 | 1627 | struct value * |
0700e23e | 1628 | get_return_value (struct value *function, struct type *value_type) |
11cf8741 | 1629 | { |
07495424 YQ |
1630 | regcache stop_regs (regcache::readonly, *get_current_regcache ()); |
1631 | struct gdbarch *gdbarch = stop_regs.arch (); | |
44e5158b AC |
1632 | struct value *value; |
1633 | ||
f168693b | 1634 | value_type = check_typedef (value_type); |
44e5158b | 1635 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1636 | |
92ad9cd9 AC |
1637 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1638 | call, it's possible (with no help from the architecture vector) | |
1639 | to locate and return/print a "struct return" value. This is just | |
7a9dd1b2 | 1640 | a more complicated case of what is already being done in the |
92ad9cd9 AC |
1641 | inferior function call code. In fact, when inferior function |
1642 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1643 | |
6a3a010b | 1644 | switch (gdbarch_return_value (gdbarch, function, value_type, |
c055b101 | 1645 | NULL, NULL, NULL)) |
44e5158b | 1646 | { |
750eb019 AC |
1647 | case RETURN_VALUE_REGISTER_CONVENTION: |
1648 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1649 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1650 | value = allocate_value (value_type); |
07495424 | 1651 | gdbarch_return_value (gdbarch, function, value_type, &stop_regs, |
990a07ab | 1652 | value_contents_raw (value), NULL); |
750eb019 AC |
1653 | break; |
1654 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1655 | value = NULL; | |
1656 | break; | |
1657 | default: | |
e2e0b3e5 | 1658 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1659 | } |
bb472c1e | 1660 | |
cc72b2a2 KP |
1661 | return value; |
1662 | } | |
1663 | ||
243a9253 PA |
1664 | /* The captured function return value/type and its position in the |
1665 | value history. */ | |
cc72b2a2 | 1666 | |
243a9253 | 1667 | struct return_value_info |
cc72b2a2 | 1668 | { |
243a9253 PA |
1669 | /* The captured return value. May be NULL if we weren't able to |
1670 | retrieve it. See get_return_value. */ | |
1671 | struct value *value; | |
1672 | ||
1673 | /* The return type. In some cases, we'll not be able extract the | |
1674 | return value, but we always know the type. */ | |
1675 | struct type *type; | |
1676 | ||
1677 | /* If we captured a value, this is the value history index. */ | |
1678 | int value_history_index; | |
1679 | }; | |
1680 | ||
1681 | /* Helper for print_return_value. */ | |
cc72b2a2 | 1682 | |
243a9253 PA |
1683 | static void |
1684 | print_return_value_1 (struct ui_out *uiout, struct return_value_info *rv) | |
1685 | { | |
1686 | if (rv->value != NULL) | |
31db7b6c | 1687 | { |
79a45b7d TT |
1688 | struct value_print_options opts; |
1689 | ||
31db7b6c | 1690 | /* Print it. */ |
112e8700 SM |
1691 | uiout->text ("Value returned is "); |
1692 | uiout->field_fmt ("gdb-result-var", "$%d", | |
d7e74731 | 1693 | rv->value_history_index); |
112e8700 | 1694 | uiout->text (" = "); |
2a998fc0 | 1695 | get_no_prettyformat_print_options (&opts); |
d7e74731 PA |
1696 | |
1697 | string_file stb; | |
1698 | ||
1699 | value_print (rv->value, &stb, &opts); | |
112e8700 SM |
1700 | uiout->field_stream ("return-value", stb); |
1701 | uiout->text ("\n"); | |
31db7b6c MK |
1702 | } |
1703 | else | |
1704 | { | |
2f408ecb | 1705 | std::string type_name = type_to_string (rv->type); |
112e8700 SM |
1706 | uiout->text ("Value returned has type: "); |
1707 | uiout->field_string ("return-type", type_name.c_str ()); | |
1708 | uiout->text ("."); | |
1709 | uiout->text (" Cannot determine contents\n"); | |
31db7b6c | 1710 | } |
11cf8741 JM |
1711 | } |
1712 | ||
243a9253 PA |
1713 | /* Print the result of a function at the end of a 'finish' command. |
1714 | RV points at an object representing the captured return value/type | |
1715 | and its position in the value history. */ | |
1716 | ||
1717 | void | |
1718 | print_return_value (struct ui_out *uiout, struct return_value_info *rv) | |
1719 | { | |
1720 | if (rv->type == NULL || TYPE_CODE (rv->type) == TYPE_CODE_VOID) | |
1721 | return; | |
1722 | ||
1723 | TRY | |
1724 | { | |
1725 | /* print_return_value_1 can throw an exception in some | |
1726 | circumstances. We need to catch this so that we still | |
1727 | delete the breakpoint. */ | |
1728 | print_return_value_1 (uiout, rv); | |
1729 | } | |
1730 | CATCH (ex, RETURN_MASK_ALL) | |
1731 | { | |
1732 | exception_print (gdb_stdout, ex); | |
1733 | } | |
1734 | END_CATCH | |
1735 | } | |
1736 | ||
1737 | /* Data for the FSM that manages the finish command. */ | |
f941662f | 1738 | |
243a9253 | 1739 | struct finish_command_fsm |
43ff13b4 | 1740 | { |
243a9253 PA |
1741 | /* The base class. */ |
1742 | struct thread_fsm thread_fsm; | |
1743 | ||
243a9253 PA |
1744 | /* The momentary breakpoint set at the function's return address in |
1745 | the caller. */ | |
43ff13b4 | 1746 | struct breakpoint *breakpoint; |
243a9253 PA |
1747 | |
1748 | /* The function that we're stepping out of. */ | |
bfec99b2 | 1749 | struct symbol *function; |
8a6c4031 | 1750 | |
243a9253 PA |
1751 | /* If the FSM finishes successfully, this stores the function's |
1752 | return value. */ | |
1753 | struct return_value_info return_value; | |
bfec99b2 | 1754 | }; |
c5aa993b | 1755 | |
8980e177 PA |
1756 | static int finish_command_fsm_should_stop (struct thread_fsm *self, |
1757 | struct thread_info *thread); | |
1758 | static void finish_command_fsm_clean_up (struct thread_fsm *self, | |
1759 | struct thread_info *thread); | |
243a9253 PA |
1760 | static struct return_value_info * |
1761 | finish_command_fsm_return_value (struct thread_fsm *self); | |
1762 | static enum async_reply_reason | |
1763 | finish_command_fsm_async_reply_reason (struct thread_fsm *self); | |
1764 | ||
1765 | /* finish_command_fsm's vtable. */ | |
1766 | ||
1767 | static struct thread_fsm_ops finish_command_fsm_ops = | |
1768 | { | |
1769 | NULL, /* dtor */ | |
1770 | finish_command_fsm_clean_up, | |
1771 | finish_command_fsm_should_stop, | |
1772 | finish_command_fsm_return_value, | |
1773 | finish_command_fsm_async_reply_reason, | |
8980e177 | 1774 | NULL, /* should_notify_stop */ |
243a9253 PA |
1775 | }; |
1776 | ||
1777 | /* Allocate a new finish_command_fsm. */ | |
1778 | ||
1779 | static struct finish_command_fsm * | |
8980e177 | 1780 | new_finish_command_fsm (struct interp *cmd_interp) |
bfec99b2 | 1781 | { |
243a9253 PA |
1782 | struct finish_command_fsm *sm; |
1783 | ||
1784 | sm = XCNEW (struct finish_command_fsm); | |
8980e177 | 1785 | thread_fsm_ctor (&sm->thread_fsm, &finish_command_fsm_ops, cmd_interp); |
243a9253 PA |
1786 | |
1787 | return sm; | |
1788 | } | |
347bddb7 | 1789 | |
243a9253 PA |
1790 | /* Implementation of the 'should_stop' FSM method for the finish |
1791 | commands. Detects whether the thread stepped out of the function | |
1792 | successfully, and if so, captures the function's return value and | |
1793 | marks the FSM finished. */ | |
1794 | ||
1795 | static int | |
8980e177 PA |
1796 | finish_command_fsm_should_stop (struct thread_fsm *self, |
1797 | struct thread_info *tp) | |
243a9253 PA |
1798 | { |
1799 | struct finish_command_fsm *f = (struct finish_command_fsm *) self; | |
1800 | struct return_value_info *rv = &f->return_value; | |
243a9253 PA |
1801 | |
1802 | if (f->function != NULL | |
1803 | && bpstat_find_breakpoint (tp->control.stop_bpstat, | |
1804 | f->breakpoint) != NULL) | |
43ff13b4 | 1805 | { |
243a9253 PA |
1806 | /* We're done. */ |
1807 | thread_fsm_set_finished (self); | |
bfec99b2 | 1808 | |
243a9253 PA |
1809 | rv->type = TYPE_TARGET_TYPE (SYMBOL_TYPE (f->function)); |
1810 | if (rv->type == NULL) | |
1811 | internal_error (__FILE__, __LINE__, | |
1812 | _("finish_command: function has no target type")); | |
f5871ec0 | 1813 | |
243a9253 | 1814 | if (TYPE_CODE (rv->type) != TYPE_CODE_VOID) |
40c549d6 | 1815 | { |
243a9253 PA |
1816 | struct value *func; |
1817 | ||
1818 | func = read_var_value (f->function, NULL, get_current_frame ()); | |
0700e23e | 1819 | rv->value = get_return_value (func, rv->type); |
aca20ec4 KB |
1820 | if (rv->value != NULL) |
1821 | rv->value_history_index = record_latest_value (rv->value); | |
243a9253 PA |
1822 | } |
1823 | } | |
1824 | else if (tp->control.stop_step) | |
1825 | { | |
1826 | /* Finishing from an inline frame, or reverse finishing. In | |
1827 | either case, there's no way to retrieve the return value. */ | |
1828 | thread_fsm_set_finished (self); | |
1829 | } | |
fa4cd53f | 1830 | |
243a9253 PA |
1831 | return 1; |
1832 | } | |
40c549d6 | 1833 | |
243a9253 PA |
1834 | /* Implementation of the 'clean_up' FSM method for the finish |
1835 | commands. */ | |
fa4cd53f | 1836 | |
243a9253 | 1837 | static void |
8980e177 PA |
1838 | finish_command_fsm_clean_up (struct thread_fsm *self, |
1839 | struct thread_info *thread) | |
243a9253 PA |
1840 | { |
1841 | struct finish_command_fsm *f = (struct finish_command_fsm *) self; | |
fa4cd53f | 1842 | |
243a9253 PA |
1843 | if (f->breakpoint != NULL) |
1844 | { | |
1845 | delete_breakpoint (f->breakpoint); | |
1846 | f->breakpoint = NULL; | |
43ff13b4 | 1847 | } |
8980e177 | 1848 | delete_longjmp_breakpoint (thread->global_num); |
243a9253 | 1849 | } |
f941662f | 1850 | |
243a9253 PA |
1851 | /* Implementation of the 'return_value' FSM method for the finish |
1852 | commands. */ | |
1853 | ||
1854 | static struct return_value_info * | |
1855 | finish_command_fsm_return_value (struct thread_fsm *self) | |
1856 | { | |
1857 | struct finish_command_fsm *f = (struct finish_command_fsm *) self; | |
1858 | ||
1859 | return &f->return_value; | |
43ff13b4 JM |
1860 | } |
1861 | ||
243a9253 PA |
1862 | /* Implementation of the 'async_reply_reason' FSM method for the |
1863 | finish commands. */ | |
1864 | ||
1865 | static enum async_reply_reason | |
1866 | finish_command_fsm_async_reply_reason (struct thread_fsm *self) | |
604ead4a | 1867 | { |
243a9253 PA |
1868 | if (execution_direction == EXEC_REVERSE) |
1869 | return EXEC_ASYNC_END_STEPPING_RANGE; | |
1870 | else | |
1871 | return EXEC_ASYNC_FUNCTION_FINISHED; | |
604ead4a PA |
1872 | } |
1873 | ||
b2175913 MS |
1874 | /* finish_backward -- helper function for finish_command. */ |
1875 | ||
1876 | static void | |
243a9253 | 1877 | finish_backward (struct finish_command_fsm *sm) |
b2175913 MS |
1878 | { |
1879 | struct symtab_and_line sal; | |
1880 | struct thread_info *tp = inferior_thread (); | |
1c7819ef | 1881 | CORE_ADDR pc; |
b2175913 | 1882 | CORE_ADDR func_addr; |
b2175913 | 1883 | |
1c7819ef PA |
1884 | pc = get_frame_pc (get_current_frame ()); |
1885 | ||
1886 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL) == 0) | |
1f267ae3 | 1887 | error (_("Cannot find bounds of current function")); |
b2175913 MS |
1888 | |
1889 | sal = find_pc_line (func_addr, 0); | |
1890 | ||
9da8c2a0 | 1891 | tp->control.proceed_to_finish = 1; |
b2175913 MS |
1892 | /* Special case: if we're sitting at the function entry point, |
1893 | then all we need to do is take a reverse singlestep. We | |
1894 | don't need to set a breakpoint, and indeed it would do us | |
1895 | no good to do so. | |
1896 | ||
1897 | Note that this can only happen at frame #0, since there's | |
1898 | no way that a function up the stack can have a return address | |
1899 | that's equal to its entry point. */ | |
1900 | ||
1c7819ef | 1901 | if (sal.pc != pc) |
b2175913 | 1902 | { |
a6d9a66e UW |
1903 | struct frame_info *frame = get_selected_frame (NULL); |
1904 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
9da8c2a0 PA |
1905 | |
1906 | /* Set a step-resume at the function's entry point. Once that's | |
1907 | hit, we'll do one more step backwards. */ | |
51abb421 | 1908 | symtab_and_line sr_sal; |
9da8c2a0 PA |
1909 | sr_sal.pc = sal.pc; |
1910 | sr_sal.pspace = get_frame_program_space (frame); | |
1911 | insert_step_resume_breakpoint_at_sal (gdbarch, | |
1912 | sr_sal, null_frame_id); | |
a6d9a66e | 1913 | |
64ce06e4 | 1914 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 MS |
1915 | } |
1916 | else | |
b2175913 | 1917 | { |
9da8c2a0 PA |
1918 | /* We're almost there -- we just need to back up by one more |
1919 | single-step. */ | |
16c381f0 | 1920 | tp->control.step_range_start = tp->control.step_range_end = 1; |
64ce06e4 | 1921 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 | 1922 | } |
b2175913 MS |
1923 | } |
1924 | ||
243a9253 PA |
1925 | /* finish_forward -- helper function for finish_command. FRAME is the |
1926 | frame that called the function we're about to step out of. */ | |
b2175913 MS |
1927 | |
1928 | static void | |
243a9253 | 1929 | finish_forward (struct finish_command_fsm *sm, struct frame_info *frame) |
b2175913 | 1930 | { |
def166f6 | 1931 | struct frame_id frame_id = get_frame_id (frame); |
a6d9a66e | 1932 | struct gdbarch *gdbarch = get_frame_arch (frame); |
b2175913 MS |
1933 | struct symtab_and_line sal; |
1934 | struct thread_info *tp = inferior_thread (); | |
b2175913 MS |
1935 | |
1936 | sal = find_pc_line (get_frame_pc (frame), 0); | |
1937 | sal.pc = get_frame_pc (frame); | |
1938 | ||
243a9253 PA |
1939 | sm->breakpoint = set_momentary_breakpoint (gdbarch, sal, |
1940 | get_stack_frame_id (frame), | |
1941 | bp_finish); | |
b2175913 | 1942 | |
c70a6932 JK |
1943 | /* set_momentary_breakpoint invalidates FRAME. */ |
1944 | frame = NULL; | |
1945 | ||
def166f6 | 1946 | set_longjmp_breakpoint (tp, frame_id); |
186c406b | 1947 | |
46c03469 | 1948 | /* We want to print return value, please... */ |
16c381f0 | 1949 | tp->control.proceed_to_finish = 1; |
b2175913 | 1950 | |
243a9253 | 1951 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
b2175913 MS |
1952 | } |
1953 | ||
e3b5daf9 MM |
1954 | /* Skip frames for "finish". */ |
1955 | ||
1956 | static struct frame_info * | |
1957 | skip_finish_frames (struct frame_info *frame) | |
1958 | { | |
1959 | struct frame_info *start; | |
1960 | ||
1961 | do | |
1962 | { | |
1963 | start = frame; | |
1964 | ||
1965 | frame = skip_tailcall_frames (frame); | |
1966 | if (frame == NULL) | |
1967 | break; | |
1968 | ||
1969 | frame = skip_unwritable_frames (frame); | |
1970 | if (frame == NULL) | |
1971 | break; | |
1972 | } | |
1973 | while (start != frame); | |
1974 | ||
1975 | return frame; | |
1976 | } | |
1977 | ||
f941662f MK |
1978 | /* "finish": Set a temporary breakpoint at the place the selected |
1979 | frame will return to, then continue. */ | |
c906108c SS |
1980 | |
1981 | static void | |
fba45db2 | 1982 | finish_command (char *arg, int from_tty) |
c906108c | 1983 | { |
52f0bd74 | 1984 | struct frame_info *frame; |
6c4486e6 PA |
1985 | int async_exec; |
1986 | struct cleanup *args_chain; | |
243a9253 PA |
1987 | struct finish_command_fsm *sm; |
1988 | struct thread_info *tp; | |
43ff13b4 | 1989 | |
4247603b | 1990 | ERROR_NO_INFERIOR; |
573cda03 | 1991 | ensure_not_tfind_mode (); |
4247603b PA |
1992 | ensure_valid_thread (); |
1993 | ensure_not_running (); | |
573cda03 | 1994 | |
f941662f | 1995 | /* Find out whether we must run in the background. */ |
6c4486e6 PA |
1996 | arg = strip_bg_char (arg, &async_exec); |
1997 | args_chain = make_cleanup (xfree, arg); | |
43ff13b4 | 1998 | |
8bc2fe48 | 1999 | prepare_execution_command (¤t_target, async_exec); |
c906108c SS |
2000 | |
2001 | if (arg) | |
8a3fe4f8 | 2002 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 2003 | |
6c4486e6 PA |
2004 | /* Done with ARGS. */ |
2005 | do_cleanups (args_chain); | |
2006 | ||
206415a3 | 2007 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 2008 | if (frame == 0) |
8a3fe4f8 | 2009 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c | 2010 | |
70509625 | 2011 | clear_proceed_status (0); |
c906108c | 2012 | |
243a9253 PA |
2013 | tp = inferior_thread (); |
2014 | ||
8980e177 | 2015 | sm = new_finish_command_fsm (command_interp ()); |
243a9253 PA |
2016 | |
2017 | tp->thread_fsm = &sm->thread_fsm; | |
2018 | ||
edb3359d | 2019 | /* Finishing from an inline frame is completely different. We don't |
243a9253 | 2020 | try to show the "return value" - no way to locate it. */ |
edb3359d DJ |
2021 | if (get_frame_type (get_selected_frame (_("No selected frame."))) |
2022 | == INLINE_FRAME) | |
2023 | { | |
2024 | /* Claim we are stepping in the calling frame. An empty step | |
2025 | range means that we will stop once we aren't in a function | |
2026 | called by that frame. We don't use the magic "1" value for | |
2027 | step_range_end, because then infrun will think this is nexti, | |
2028 | and not step over the rest of this inlined function call. */ | |
51abb421 | 2029 | set_step_info (frame, {}); |
16c381f0 JK |
2030 | tp->control.step_range_start = get_frame_pc (frame); |
2031 | tp->control.step_range_end = tp->control.step_range_start; | |
2032 | tp->control.step_over_calls = STEP_OVER_ALL; | |
edb3359d DJ |
2033 | |
2034 | /* Print info on the selected frame, including level number but not | |
2035 | source. */ | |
2036 | if (from_tty) | |
2037 | { | |
2038 | printf_filtered (_("Run till exit from ")); | |
08d72866 | 2039 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
edb3359d DJ |
2040 | } |
2041 | ||
64ce06e4 | 2042 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
edb3359d DJ |
2043 | return; |
2044 | } | |
2045 | ||
c906108c SS |
2046 | /* Find the function we will return from. */ |
2047 | ||
243a9253 | 2048 | sm->function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 2049 | |
f941662f MK |
2050 | /* Print info on the selected frame, including level number but not |
2051 | source. */ | |
c906108c SS |
2052 | if (from_tty) |
2053 | { | |
b2175913 MS |
2054 | if (execution_direction == EXEC_REVERSE) |
2055 | printf_filtered (_("Run back to call of ")); | |
2056 | else | |
743649fd | 2057 | { |
243a9253 | 2058 | if (sm->function != NULL && TYPE_NO_RETURN (sm->function->type) |
743649fd MW |
2059 | && !query (_("warning: Function %s does not return normally.\n" |
2060 | "Try to finish anyway? "), | |
243a9253 | 2061 | SYMBOL_PRINT_NAME (sm->function))) |
743649fd MW |
2062 | error (_("Not confirmed.")); |
2063 | printf_filtered (_("Run till exit from ")); | |
2064 | } | |
b2175913 | 2065 | |
08d72866 | 2066 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
c906108c SS |
2067 | } |
2068 | ||
b2175913 | 2069 | if (execution_direction == EXEC_REVERSE) |
243a9253 | 2070 | finish_backward (sm); |
b2175913 | 2071 | else |
33b4777c | 2072 | { |
e3b5daf9 | 2073 | frame = skip_finish_frames (frame); |
7eb89530 | 2074 | |
33b4777c MM |
2075 | if (frame == NULL) |
2076 | error (_("Cannot find the caller frame.")); | |
2077 | ||
2078 | finish_forward (sm, frame); | |
2079 | } | |
c906108c SS |
2080 | } |
2081 | \f | |
f941662f | 2082 | |
c906108c | 2083 | static void |
11db9430 | 2084 | info_program_command (char *args, int from_tty) |
c906108c | 2085 | { |
347bddb7 PA |
2086 | bpstat bs; |
2087 | int num, stat; | |
2088 | struct thread_info *tp; | |
2089 | ptid_t ptid; | |
c5aa993b | 2090 | |
c906108c SS |
2091 | if (!target_has_execution) |
2092 | { | |
a3f17187 | 2093 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
2094 | return; |
2095 | } | |
2096 | ||
347bddb7 PA |
2097 | if (non_stop) |
2098 | ptid = inferior_ptid; | |
2099 | else | |
2100 | { | |
2101 | struct target_waitstatus ws; | |
abbb1732 | 2102 | |
347bddb7 PA |
2103 | get_last_target_status (&ptid, &ws); |
2104 | } | |
2105 | ||
2106 | if (ptid_equal (ptid, null_ptid) || is_exited (ptid)) | |
2107 | error (_("Invalid selected thread.")); | |
2108 | else if (is_running (ptid)) | |
2109 | error (_("Selected thread is running.")); | |
2110 | ||
e09875d4 | 2111 | tp = find_thread_ptid (ptid); |
16c381f0 | 2112 | bs = tp->control.stop_bpstat; |
347bddb7 PA |
2113 | stat = bpstat_num (&bs, &num); |
2114 | ||
c906108c | 2115 | target_files_info (); |
5af949e3 | 2116 | printf_filtered (_("Program stopped at %s.\n"), |
f5656ead | 2117 | paddress (target_gdbarch (), stop_pc)); |
16c381f0 | 2118 | if (tp->control.stop_step) |
a3f17187 | 2119 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 2120 | else if (stat != 0) |
c906108c SS |
2121 | { |
2122 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 2123 | isn't as strange as it seems. */ |
8671a17b | 2124 | while (stat != 0) |
c906108c | 2125 | { |
8671a17b | 2126 | if (stat < 0) |
c906108c | 2127 | { |
3e43a32a MS |
2128 | printf_filtered (_("It stopped at a breakpoint " |
2129 | "that has since been deleted.\n")); | |
c906108c SS |
2130 | } |
2131 | else | |
a3f17187 | 2132 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 2133 | stat = bpstat_num (&bs, &num); |
c906108c SS |
2134 | } |
2135 | } | |
a493e3e2 | 2136 | else if (tp->suspend.stop_signal != GDB_SIGNAL_0) |
c906108c | 2137 | { |
a3f17187 | 2138 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
2ea28649 PA |
2139 | gdb_signal_to_name (tp->suspend.stop_signal), |
2140 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
c906108c SS |
2141 | } |
2142 | ||
0d41ba00 | 2143 | if (from_tty) |
c906108c | 2144 | { |
3e43a32a MS |
2145 | printf_filtered (_("Type \"info stack\" or \"info " |
2146 | "registers\" for more information.\n")); | |
c906108c SS |
2147 | } |
2148 | } | |
2149 | \f | |
2150 | static void | |
fba45db2 | 2151 | environment_info (char *var, int from_tty) |
c906108c SS |
2152 | { |
2153 | if (var) | |
2154 | { | |
9a6c7d9c | 2155 | const char *val = current_inferior ()->environment.get (var); |
abbb1732 | 2156 | |
c906108c SS |
2157 | if (val) |
2158 | { | |
2159 | puts_filtered (var); | |
2160 | puts_filtered (" = "); | |
2161 | puts_filtered (val); | |
2162 | puts_filtered ("\n"); | |
2163 | } | |
2164 | else | |
2165 | { | |
2166 | puts_filtered ("Environment variable \""); | |
2167 | puts_filtered (var); | |
2168 | puts_filtered ("\" not defined.\n"); | |
2169 | } | |
2170 | } | |
2171 | else | |
2172 | { | |
9a6c7d9c | 2173 | char **envp = current_inferior ()->environment.envp (); |
abbb1732 | 2174 | |
9a6c7d9c | 2175 | for (int idx = 0; envp[idx] != NULL; ++idx) |
c906108c | 2176 | { |
9a6c7d9c | 2177 | puts_filtered (envp[idx]); |
c906108c SS |
2178 | puts_filtered ("\n"); |
2179 | } | |
2180 | } | |
2181 | } | |
2182 | ||
2183 | static void | |
fba45db2 | 2184 | set_environment_command (char *arg, int from_tty) |
c906108c | 2185 | { |
52f0bd74 | 2186 | char *p, *val, *var; |
c906108c SS |
2187 | int nullset = 0; |
2188 | ||
2189 | if (arg == 0) | |
e2e0b3e5 | 2190 | error_no_arg (_("environment variable and value")); |
c906108c | 2191 | |
1777feb0 | 2192 | /* Find seperation between variable name and value. */ |
c906108c SS |
2193 | p = (char *) strchr (arg, '='); |
2194 | val = (char *) strchr (arg, ' '); | |
2195 | ||
2196 | if (p != 0 && val != 0) | |
2197 | { | |
2198 | /* We have both a space and an equals. If the space is before the | |
c5aa993b | 2199 | equals, walk forward over the spaces til we see a nonspace |
1777feb0 | 2200 | (possibly the equals). */ |
c906108c SS |
2201 | if (p > val) |
2202 | while (*val == ' ') | |
2203 | val++; | |
2204 | ||
2205 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 2206 | take the char following the spaces. */ |
c906108c SS |
2207 | if (p > val) |
2208 | p = val - 1; | |
2209 | } | |
2210 | else if (val != 0 && p == 0) | |
2211 | p = val; | |
2212 | ||
2213 | if (p == arg) | |
e2e0b3e5 | 2214 | error_no_arg (_("environment variable to set")); |
c906108c SS |
2215 | |
2216 | if (p == 0 || p[1] == 0) | |
2217 | { | |
2218 | nullset = 1; | |
2219 | if (p == 0) | |
1777feb0 | 2220 | p = arg + strlen (arg); /* So that savestring below will work. */ |
c906108c SS |
2221 | } |
2222 | else | |
2223 | { | |
1777feb0 | 2224 | /* Not setting variable value to null. */ |
c906108c SS |
2225 | val = p + 1; |
2226 | while (*val == ' ' || *val == '\t') | |
2227 | val++; | |
2228 | } | |
2229 | ||
c5aa993b JM |
2230 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
2231 | p--; | |
c906108c SS |
2232 | |
2233 | var = savestring (arg, p - arg); | |
2234 | if (nullset) | |
2235 | { | |
3e43a32a MS |
2236 | printf_filtered (_("Setting environment variable " |
2237 | "\"%s\" to null value.\n"), | |
a3f17187 | 2238 | var); |
9a6c7d9c | 2239 | current_inferior ()->environment.set (var, ""); |
c906108c SS |
2240 | } |
2241 | else | |
9a6c7d9c | 2242 | current_inferior ()->environment.set (var, val); |
b8c9b27d | 2243 | xfree (var); |
c906108c SS |
2244 | } |
2245 | ||
2246 | static void | |
fba45db2 | 2247 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
2248 | { |
2249 | if (var == 0) | |
2250 | { | |
2251 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 2252 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 2253 | if (!from_tty || query (_("Delete all environment variables? "))) |
206726fb | 2254 | current_inferior ()->environment.clear (); |
c906108c SS |
2255 | } |
2256 | else | |
9a6c7d9c | 2257 | current_inferior ()->environment.unset (var); |
c906108c SS |
2258 | } |
2259 | ||
1777feb0 | 2260 | /* Handle the execution path (PATH variable). */ |
c906108c SS |
2261 | |
2262 | static const char path_var_name[] = "PATH"; | |
2263 | ||
c906108c | 2264 | static void |
fba45db2 | 2265 | path_info (char *args, int from_tty) |
c906108c SS |
2266 | { |
2267 | puts_filtered ("Executable and object file path: "); | |
9a6c7d9c | 2268 | puts_filtered (current_inferior ()->environment.get (path_var_name)); |
c906108c SS |
2269 | puts_filtered ("\n"); |
2270 | } | |
2271 | ||
2272 | /* Add zero or more directories to the front of the execution path. */ | |
2273 | ||
2274 | static void | |
fba45db2 | 2275 | path_command (char *dirname, int from_tty) |
c906108c SS |
2276 | { |
2277 | char *exec_path; | |
a121b7c1 | 2278 | const char *env; |
abbb1732 | 2279 | |
c906108c | 2280 | dont_repeat (); |
9a6c7d9c | 2281 | env = current_inferior ()->environment.get (path_var_name); |
1777feb0 | 2282 | /* Can be null if path is not set. */ |
c906108c SS |
2283 | if (!env) |
2284 | env = ""; | |
4fcf66da | 2285 | exec_path = xstrdup (env); |
c906108c | 2286 | mod_path (dirname, &exec_path); |
9a6c7d9c | 2287 | current_inferior ()->environment.set (path_var_name, exec_path); |
b8c9b27d | 2288 | xfree (exec_path); |
c906108c | 2289 | if (from_tty) |
c5aa993b | 2290 | path_info ((char *) NULL, from_tty); |
c906108c | 2291 | } |
c906108c | 2292 | \f |
c5aa993b | 2293 | |
1292279a PA |
2294 | /* Print out the register NAME with value VAL, to FILE, in the default |
2295 | fashion. */ | |
2296 | ||
2297 | static void | |
2298 | default_print_one_register_info (struct ui_file *file, | |
2299 | const char *name, | |
2300 | struct value *val) | |
2301 | { | |
2302 | struct type *regtype = value_type (val); | |
f69d9aef | 2303 | int print_raw_format; |
1292279a PA |
2304 | |
2305 | fputs_filtered (name, file); | |
2306 | print_spaces_filtered (15 - strlen (name), file); | |
2307 | ||
f69d9aef AB |
2308 | print_raw_format = (value_entirely_available (val) |
2309 | && !value_optimized_out (val)); | |
1292279a PA |
2310 | |
2311 | /* If virtual format is floating, print it that way, and in raw | |
2312 | hex. */ | |
2313 | if (TYPE_CODE (regtype) == TYPE_CODE_FLT | |
2314 | || TYPE_CODE (regtype) == TYPE_CODE_DECFLOAT) | |
2315 | { | |
1292279a PA |
2316 | struct value_print_options opts; |
2317 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
2318 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (regtype)); | |
2319 | ||
2320 | get_user_print_options (&opts); | |
2321 | opts.deref_ref = 1; | |
2322 | ||
2323 | val_print (regtype, | |
1292279a PA |
2324 | value_embedded_offset (val), 0, |
2325 | file, 0, val, &opts, current_language); | |
2326 | ||
f69d9aef AB |
2327 | if (print_raw_format) |
2328 | { | |
2329 | fprintf_filtered (file, "\t(raw "); | |
30a25466 TT |
2330 | print_hex_chars (file, valaddr, TYPE_LENGTH (regtype), byte_order, |
2331 | true); | |
f69d9aef AB |
2332 | fprintf_filtered (file, ")"); |
2333 | } | |
1292279a PA |
2334 | } |
2335 | else | |
2336 | { | |
2337 | struct value_print_options opts; | |
2338 | ||
2339 | /* Print the register in hex. */ | |
2340 | get_formatted_print_options (&opts, 'x'); | |
2341 | opts.deref_ref = 1; | |
2342 | val_print (regtype, | |
1292279a PA |
2343 | value_embedded_offset (val), 0, |
2344 | file, 0, val, &opts, current_language); | |
2345 | /* If not a vector register, print it also according to its | |
2346 | natural format. */ | |
f69d9aef | 2347 | if (print_raw_format && TYPE_VECTOR (regtype) == 0) |
1292279a PA |
2348 | { |
2349 | get_user_print_options (&opts); | |
2350 | opts.deref_ref = 1; | |
2351 | fprintf_filtered (file, "\t"); | |
2352 | val_print (regtype, | |
1292279a PA |
2353 | value_embedded_offset (val), 0, |
2354 | file, 0, val, &opts, current_language); | |
2355 | } | |
2356 | } | |
2357 | ||
2358 | fprintf_filtered (file, "\n"); | |
2359 | } | |
2360 | ||
1777feb0 | 2361 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
2362 | registers (print_all == 1) or all non-float and non-vector |
2363 | registers (print_all == 0). | |
c906108c SS |
2364 | |
2365 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
2366 | register(s) one per line is good enough. If a different format is |
2367 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
2368 | regs), or there is an existing convention for showing all the | |
2369 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
2370 | provide that format. */ | |
c906108c | 2371 | |
666e11c5 | 2372 | void |
0ab7a791 AC |
2373 | default_print_registers_info (struct gdbarch *gdbarch, |
2374 | struct ui_file *file, | |
2375 | struct frame_info *frame, | |
2376 | int regnum, int print_all) | |
c906108c | 2377 | { |
0ab7a791 | 2378 | int i; |
a4bd449d UW |
2379 | const int numregs = gdbarch_num_regs (gdbarch) |
2380 | + gdbarch_num_pseudo_regs (gdbarch); | |
0ab7a791 | 2381 | |
c906108c SS |
2382 | for (i = 0; i < numregs; i++) |
2383 | { | |
4782dc19 AC |
2384 | /* Decide between printing all regs, non-float / vector regs, or |
2385 | specific reg. */ | |
c5aa993b JM |
2386 | if (regnum == -1) |
2387 | { | |
f9418c0f | 2388 | if (print_all) |
4782dc19 | 2389 | { |
f9418c0f | 2390 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 2391 | continue; |
f9418c0f AC |
2392 | } |
2393 | else | |
2394 | { | |
2395 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
2396 | continue; |
2397 | } | |
c5aa993b JM |
2398 | } |
2399 | else | |
2400 | { | |
2401 | if (i != regnum) | |
2402 | continue; | |
2403 | } | |
c906108c SS |
2404 | |
2405 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 2406 | processor, so don't display anything. */ |
a4bd449d UW |
2407 | if (gdbarch_register_name (gdbarch, i) == NULL |
2408 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
2409 | continue; |
2410 | ||
1292279a PA |
2411 | default_print_one_register_info (file, |
2412 | gdbarch_register_name (gdbarch, i), | |
901461f8 | 2413 | value_of_register (i, frame)); |
c906108c SS |
2414 | } |
2415 | } | |
c906108c | 2416 | |
c906108c | 2417 | void |
fba45db2 | 2418 | registers_info (char *addr_exp, int fpregs) |
c906108c | 2419 | { |
206415a3 | 2420 | struct frame_info *frame; |
a4bd449d | 2421 | struct gdbarch *gdbarch; |
c906108c SS |
2422 | |
2423 | if (!target_has_registers) | |
8a3fe4f8 | 2424 | error (_("The program has no registers now.")); |
206415a3 | 2425 | frame = get_selected_frame (NULL); |
a4bd449d | 2426 | gdbarch = get_frame_arch (frame); |
c906108c SS |
2427 | |
2428 | if (!addr_exp) | |
2429 | { | |
a4bd449d | 2430 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 2431 | frame, -1, fpregs); |
c906108c SS |
2432 | return; |
2433 | } | |
2434 | ||
f9418c0f | 2435 | while (*addr_exp != '\0') |
c5aa993b | 2436 | { |
f9418c0f AC |
2437 | char *start; |
2438 | const char *end; | |
c906108c | 2439 | |
529480d0 KS |
2440 | /* Skip leading white space. */ |
2441 | addr_exp = skip_spaces (addr_exp); | |
c906108c | 2442 | |
f9418c0f AC |
2443 | /* Discard any leading ``$''. Check that there is something |
2444 | resembling a register following it. */ | |
2445 | if (addr_exp[0] == '$') | |
2446 | addr_exp++; | |
2447 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 2448 | error (_("Missing register name")); |
c906108c | 2449 | |
f9418c0f AC |
2450 | /* Find the start/end of this register name/num/group. */ |
2451 | start = addr_exp; | |
2452 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
2453 | addr_exp++; | |
2454 | end = addr_exp; | |
ad842144 | 2455 | |
f9418c0f AC |
2456 | /* Figure out what we've found and display it. */ |
2457 | ||
2458 | /* A register name? */ | |
2459 | { | |
029a67e4 | 2460 | int regnum = user_reg_map_name_to_regnum (gdbarch, start, end - start); |
abbb1732 | 2461 | |
f9418c0f AC |
2462 | if (regnum >= 0) |
2463 | { | |
ad842144 MR |
2464 | /* User registers lie completely outside of the range of |
2465 | normal registers. Catch them early so that the target | |
2466 | never sees them. */ | |
2467 | if (regnum >= gdbarch_num_regs (gdbarch) | |
2468 | + gdbarch_num_pseudo_regs (gdbarch)) | |
2469 | { | |
1292279a PA |
2470 | struct value *regval = value_of_user_reg (regnum, frame); |
2471 | const char *regname = user_reg_map_regnum_to_name (gdbarch, | |
2472 | regnum); | |
2473 | ||
2474 | /* Print in the same fashion | |
2475 | gdbarch_print_registers_info's default | |
2476 | implementation prints. */ | |
2477 | default_print_one_register_info (gdb_stdout, | |
2478 | regname, | |
2479 | regval); | |
ad842144 MR |
2480 | } |
2481 | else | |
2482 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
2483 | frame, regnum, fpregs); | |
f9418c0f AC |
2484 | continue; |
2485 | } | |
2486 | } | |
ad842144 | 2487 | |
f9418c0f AC |
2488 | /* A register group? */ |
2489 | { | |
6c7d17ba | 2490 | struct reggroup *group; |
abbb1732 | 2491 | |
a4bd449d | 2492 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 2493 | group != NULL; |
a4bd449d | 2494 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
2495 | { |
2496 | /* Don't bother with a length check. Should the user | |
2497 | enter a short register group name, go with the first | |
2498 | group that matches. */ | |
6c7d17ba | 2499 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
2500 | break; |
2501 | } | |
6c7d17ba | 2502 | if (group != NULL) |
f9418c0f AC |
2503 | { |
2504 | int regnum; | |
abbb1732 | 2505 | |
f57d151a | 2506 | for (regnum = 0; |
a4bd449d UW |
2507 | regnum < gdbarch_num_regs (gdbarch) |
2508 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2509 | regnum++) |
f9418c0f | 2510 | { |
a4bd449d UW |
2511 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
2512 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 2513 | gdb_stdout, frame, |
f9418c0f AC |
2514 | regnum, fpregs); |
2515 | } | |
2516 | continue; | |
2517 | } | |
2518 | } | |
c906108c | 2519 | |
f9418c0f | 2520 | /* Nothing matched. */ |
8a3fe4f8 | 2521 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 2522 | } |
c906108c SS |
2523 | } |
2524 | ||
1dd5fedc | 2525 | static void |
11db9430 | 2526 | info_all_registers_command (char *addr_exp, int from_tty) |
c906108c SS |
2527 | { |
2528 | registers_info (addr_exp, 1); | |
2529 | } | |
2530 | ||
a58dd373 | 2531 | static void |
11db9430 | 2532 | info_registers_command (char *addr_exp, int from_tty) |
c906108c SS |
2533 | { |
2534 | registers_info (addr_exp, 0); | |
2535 | } | |
e76f1f2e AC |
2536 | |
2537 | static void | |
d80b854b | 2538 | print_vector_info (struct ui_file *file, |
e76f1f2e AC |
2539 | struct frame_info *frame, const char *args) |
2540 | { | |
d80b854b UW |
2541 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2542 | ||
e76f1f2e AC |
2543 | if (gdbarch_print_vector_info_p (gdbarch)) |
2544 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
2545 | else | |
2546 | { | |
2547 | int regnum; | |
2548 | int printed_something = 0; | |
ab4327e0 | 2549 | |
f57d151a | 2550 | for (regnum = 0; |
a4bd449d UW |
2551 | regnum < gdbarch_num_regs (gdbarch) |
2552 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2553 | regnum++) |
e76f1f2e | 2554 | { |
f9418c0f | 2555 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
2556 | { |
2557 | printed_something = 1; | |
e76f1f2e | 2558 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
2559 | } |
2560 | } | |
2561 | if (!printed_something) | |
2562 | fprintf_filtered (file, "No vector information\n"); | |
2563 | } | |
2564 | } | |
2565 | ||
2566 | static void | |
11db9430 | 2567 | info_vector_command (char *args, int from_tty) |
e76f1f2e | 2568 | { |
206415a3 DJ |
2569 | if (!target_has_registers) |
2570 | error (_("The program has no registers now.")); | |
2571 | ||
d80b854b | 2572 | print_vector_info (gdb_stdout, get_selected_frame (NULL), args); |
e76f1f2e | 2573 | } |
c906108c | 2574 | \f |
5fd62852 PA |
2575 | /* Kill the inferior process. Make us have no inferior. */ |
2576 | ||
2577 | static void | |
2578 | kill_command (char *arg, int from_tty) | |
2579 | { | |
2580 | /* FIXME: This should not really be inferior_ptid (or target_has_execution). | |
2581 | It should be a distinct flag that indicates that a target is active, cuz | |
1777feb0 | 2582 | some targets don't have processes! */ |
5fd62852 PA |
2583 | |
2584 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2585 | error (_("The program is not being run.")); | |
2586 | if (!query (_("Kill the program being debugged? "))) | |
2587 | error (_("Not confirmed.")); | |
2588 | target_kill (); | |
2589 | ||
c35b1492 PA |
2590 | /* If we still have other inferiors to debug, then don't mess with |
2591 | with their threads. */ | |
2592 | if (!have_inferiors ()) | |
5fd62852 | 2593 | { |
1777feb0 | 2594 | init_thread_list (); /* Destroy thread info. */ |
5fd62852 PA |
2595 | |
2596 | /* Killing off the inferior can leave us with a core file. If | |
2597 | so, print the state we are left in. */ | |
2598 | if (target_has_stack) | |
2599 | { | |
2600 | printf_filtered (_("In %s,\n"), target_longname); | |
08d72866 | 2601 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1); |
5fd62852 PA |
2602 | } |
2603 | } | |
2604 | bfd_cache_close_all (); | |
2605 | } | |
c5aa993b | 2606 | |
74531fed PA |
2607 | /* Used in `attach&' command. ARG is a point to an integer |
2608 | representing a process id. Proceed threads of this process iff | |
2609 | they stopped due to debugger request, and when they did, they | |
a493e3e2 | 2610 | reported a clean stop (GDB_SIGNAL_0). Do not proceed threads |
74531fed PA |
2611 | that have been explicitly been told to stop. */ |
2612 | ||
2613 | static int | |
2614 | proceed_after_attach_callback (struct thread_info *thread, | |
2615 | void *arg) | |
2616 | { | |
2617 | int pid = * (int *) arg; | |
2618 | ||
2619 | if (ptid_get_pid (thread->ptid) == pid | |
2620 | && !is_exited (thread->ptid) | |
2621 | && !is_executing (thread->ptid) | |
2622 | && !thread->stop_requested | |
a493e3e2 | 2623 | && thread->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed PA |
2624 | { |
2625 | switch_to_thread (thread->ptid); | |
70509625 | 2626 | clear_proceed_status (0); |
64ce06e4 | 2627 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
74531fed PA |
2628 | } |
2629 | ||
2630 | return 0; | |
2631 | } | |
2632 | ||
2633 | static void | |
2634 | proceed_after_attach (int pid) | |
2635 | { | |
2636 | /* Don't error out if the current thread is running, because | |
2637 | there may be other stopped threads. */ | |
74531fed PA |
2638 | |
2639 | /* Backup current thread and selected frame. */ | |
5ed8105e | 2640 | scoped_restore_current_thread restore_thread; |
74531fed PA |
2641 | |
2642 | iterate_over_threads (proceed_after_attach_callback, &pid); | |
74531fed PA |
2643 | } |
2644 | ||
6efcd9a8 | 2645 | /* See inferior.h. */ |
c906108c | 2646 | |
6efcd9a8 PA |
2647 | void |
2648 | setup_inferior (int from_tty) | |
9356cf8d | 2649 | { |
d6b48e9c | 2650 | struct inferior *inferior; |
9356cf8d | 2651 | |
d6b48e9c | 2652 | inferior = current_inferior (); |
6efcd9a8 | 2653 | inferior->needs_setup = 0; |
9356cf8d PA |
2654 | |
2655 | /* If no exec file is yet known, try to determine it from the | |
2656 | process itself. */ | |
a10de604 | 2657 | if (get_exec_file (0) == NULL) |
bb805577 | 2658 | exec_file_locate_attach (ptid_get_pid (inferior_ptid), 1, from_tty); |
9356cf8d PA |
2659 | else |
2660 | { | |
2661 | reopen_exec_file (); | |
2662 | reread_symbols (); | |
2663 | } | |
2664 | ||
2665 | /* Take any necessary post-attaching actions for this platform. */ | |
dfd4cc63 | 2666 | target_post_attach (ptid_get_pid (inferior_ptid)); |
9356cf8d PA |
2667 | |
2668 | post_create_inferior (¤t_target, from_tty); | |
6efcd9a8 PA |
2669 | } |
2670 | ||
2671 | /* What to do after the first program stops after attaching. */ | |
2672 | enum attach_post_wait_mode | |
2673 | { | |
2674 | /* Do nothing. Leaves threads as they are. */ | |
2675 | ATTACH_POST_WAIT_NOTHING, | |
2676 | ||
2677 | /* Re-resume threads that are marked running. */ | |
2678 | ATTACH_POST_WAIT_RESUME, | |
2679 | ||
2680 | /* Stop all threads. */ | |
2681 | ATTACH_POST_WAIT_STOP, | |
2682 | }; | |
2683 | ||
2684 | /* Called after we've attached to a process and we've seen it stop for | |
2685 | the first time. If ASYNC_EXEC is true, re-resume threads that | |
2686 | should be running. Else if ATTACH, */ | |
2687 | ||
2688 | static void | |
a121b7c1 | 2689 | attach_post_wait (const char *args, int from_tty, enum attach_post_wait_mode mode) |
6efcd9a8 PA |
2690 | { |
2691 | struct inferior *inferior; | |
9356cf8d | 2692 | |
6efcd9a8 PA |
2693 | inferior = current_inferior (); |
2694 | inferior->control.stop_soon = NO_STOP_QUIETLY; | |
2695 | ||
2696 | if (inferior->needs_setup) | |
2697 | setup_inferior (from_tty); | |
2698 | ||
2699 | if (mode == ATTACH_POST_WAIT_RESUME) | |
74531fed PA |
2700 | { |
2701 | /* The user requested an `attach&', so be sure to leave threads | |
2702 | that didn't get a signal running. */ | |
2703 | ||
2704 | /* Immediatelly resume all suspended threads of this inferior, | |
2705 | and this inferior only. This should have no effect on | |
2706 | already running threads. If a thread has been stopped with a | |
2707 | signal, leave it be. */ | |
2708 | if (non_stop) | |
2709 | proceed_after_attach (inferior->pid); | |
2710 | else | |
2711 | { | |
a493e3e2 | 2712 | if (inferior_thread ()->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed | 2713 | { |
70509625 | 2714 | clear_proceed_status (0); |
64ce06e4 | 2715 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
74531fed PA |
2716 | } |
2717 | } | |
2718 | } | |
6efcd9a8 | 2719 | else if (mode == ATTACH_POST_WAIT_STOP) |
9356cf8d | 2720 | { |
74531fed PA |
2721 | /* The user requested a plain `attach', so be sure to leave |
2722 | the inferior stopped. */ | |
2723 | ||
74531fed PA |
2724 | /* At least the current thread is already stopped. */ |
2725 | ||
2726 | /* In all-stop, by definition, all threads have to be already | |
2727 | stopped at this point. In non-stop, however, although the | |
2728 | selected thread is stopped, others may still be executing. | |
2729 | Be sure to explicitly stop all threads of the process. This | |
2730 | should have no effect on already stopped threads. */ | |
066f6b6e | 2731 | if (non_stop) |
74531fed | 2732 | target_stop (pid_to_ptid (inferior->pid)); |
066f6b6e PA |
2733 | else if (target_is_non_stop_p ()) |
2734 | { | |
2735 | struct thread_info *thread; | |
2736 | struct thread_info *lowest = inferior_thread (); | |
2737 | int pid = current_inferior ()->pid; | |
2738 | ||
2739 | stop_all_threads (); | |
2740 | ||
2741 | /* It's not defined which thread will report the attach | |
2742 | stop. For consistency, always select the thread with | |
2743 | lowest GDB number, which should be the main thread, if it | |
2744 | still exists. */ | |
2745 | ALL_NON_EXITED_THREADS (thread) | |
2746 | { | |
2747 | if (ptid_get_pid (thread->ptid) == pid) | |
2748 | { | |
5d5658a1 PA |
2749 | if (thread->inf->num < lowest->inf->num |
2750 | || thread->per_inf_num < lowest->per_inf_num) | |
066f6b6e PA |
2751 | lowest = thread; |
2752 | } | |
2753 | } | |
2754 | ||
2755 | switch_to_thread (lowest->ptid); | |
2756 | } | |
74531fed PA |
2757 | |
2758 | /* Tell the user/frontend where we're stopped. */ | |
9356cf8d PA |
2759 | normal_stop (); |
2760 | if (deprecated_attach_hook) | |
2761 | deprecated_attach_hook (); | |
2762 | } | |
2763 | } | |
2764 | ||
bfec99b2 | 2765 | struct attach_command_continuation_args |
9356cf8d PA |
2766 | { |
2767 | char *args; | |
2768 | int from_tty; | |
6efcd9a8 | 2769 | enum attach_post_wait_mode mode; |
bfec99b2 | 2770 | }; |
9356cf8d | 2771 | |
bfec99b2 | 2772 | static void |
fa4cd53f | 2773 | attach_command_continuation (void *args, int err) |
bfec99b2 | 2774 | { |
9a3c8263 SM |
2775 | struct attach_command_continuation_args *a |
2776 | = (struct attach_command_continuation_args *) args; | |
abbb1732 | 2777 | |
fa4cd53f PA |
2778 | if (err) |
2779 | return; | |
2780 | ||
6efcd9a8 | 2781 | attach_post_wait (a->args, a->from_tty, a->mode); |
9356cf8d PA |
2782 | } |
2783 | ||
604ead4a PA |
2784 | static void |
2785 | attach_command_continuation_free_args (void *args) | |
2786 | { | |
9a3c8263 SM |
2787 | struct attach_command_continuation_args *a |
2788 | = (struct attach_command_continuation_args *) args; | |
abbb1732 | 2789 | |
604ead4a PA |
2790 | xfree (a->args); |
2791 | xfree (a); | |
2792 | } | |
2793 | ||
6efcd9a8 PA |
2794 | /* "attach" command entry point. Takes a program started up outside |
2795 | of gdb and ``attaches'' to it. This stops it cold in its tracks | |
2796 | and allows us to start debugging it. */ | |
2797 | ||
c906108c | 2798 | void |
fba45db2 | 2799 | attach_command (char *args, int from_tty) |
c906108c | 2800 | { |
6c4486e6 PA |
2801 | int async_exec; |
2802 | struct cleanup *args_chain; | |
b3ccfe11 | 2803 | struct target_ops *attach_target; |
6efcd9a8 PA |
2804 | struct inferior *inferior = current_inferior (); |
2805 | enum attach_post_wait_mode mode; | |
c906108c | 2806 | |
c5aa993b | 2807 | dont_repeat (); /* Not for the faint of heart */ |
c906108c | 2808 | |
f5656ead | 2809 | if (gdbarch_has_global_solist (target_gdbarch ())) |
2567c7d9 PA |
2810 | /* Don't complain if all processes share the same symbol |
2811 | space. */ | |
8a305172 PA |
2812 | ; |
2813 | else if (target_has_execution) | |
c906108c | 2814 | { |
9e2f0ad4 | 2815 | if (query (_("A program is being debugged already. Kill it? "))) |
c906108c SS |
2816 | target_kill (); |
2817 | else | |
8a3fe4f8 | 2818 | error (_("Not killed.")); |
c906108c SS |
2819 | } |
2820 | ||
fd79ecee DJ |
2821 | /* Clean up any leftovers from other runs. Some other things from |
2822 | this function should probably be moved into target_pre_inferior. */ | |
2823 | target_pre_inferior (from_tty); | |
2824 | ||
6c4486e6 PA |
2825 | args = strip_bg_char (args, &async_exec); |
2826 | args_chain = make_cleanup (xfree, args); | |
8bc2fe48 | 2827 | |
b3ccfe11 TT |
2828 | attach_target = find_attach_target (); |
2829 | ||
8bc2fe48 PA |
2830 | prepare_execution_command (attach_target, async_exec); |
2831 | ||
b3ccfe11 | 2832 | if (non_stop && !attach_target->to_supports_non_stop (attach_target)) |
9908b566 VP |
2833 | error (_("Cannot attach to this target in non-stop mode")); |
2834 | ||
b3ccfe11 TT |
2835 | attach_target->to_attach (attach_target, args, from_tty); |
2836 | /* to_attach should push the target, so after this point we | |
2837 | shouldn't refer to attach_target again. */ | |
2838 | attach_target = NULL; | |
c906108c SS |
2839 | |
2840 | /* Set up the "saved terminal modes" of the inferior | |
2841 | based on what modes we are starting it with. */ | |
223ffa71 | 2842 | target_terminal::init (); |
c906108c | 2843 | |
7180e04a PA |
2844 | /* Install inferior's terminal modes. This may look like a no-op, |
2845 | as we've just saved them above, however, this does more than | |
2846 | restore terminal settings: | |
2847 | ||
2848 | - installs a SIGINT handler that forwards SIGINT to the inferior. | |
2849 | Otherwise a Ctrl-C pressed just while waiting for the initial | |
2850 | stop would end up as a spurious Quit. | |
2851 | ||
2852 | - removes stdin from the event loop, which we need if attaching | |
2853 | in the foreground, otherwise on targets that report an initial | |
2854 | stop on attach (which are most) we'd process input/commands | |
2855 | while we're in the event loop waiting for that stop. That is, | |
2856 | before the attach continuation runs and the command is really | |
2857 | finished. */ | |
223ffa71 | 2858 | target_terminal::inferior (); |
7180e04a | 2859 | |
c906108c SS |
2860 | /* Set up execution context to know that we should return from |
2861 | wait_for_inferior as soon as the target reports a stop. */ | |
2862 | init_wait_for_inferior (); | |
70509625 | 2863 | clear_proceed_status (0); |
c906108c | 2864 | |
6efcd9a8 PA |
2865 | inferior->needs_setup = 1; |
2866 | ||
fbea99ea | 2867 | if (target_is_non_stop_p ()) |
74531fed PA |
2868 | { |
2869 | /* If we find that the current thread isn't stopped, explicitly | |
2870 | do so now, because we're going to install breakpoints and | |
2871 | poke at memory. */ | |
2872 | ||
2873 | if (async_exec) | |
2874 | /* The user requested an `attach&'; stop just one thread. */ | |
2875 | target_stop (inferior_ptid); | |
2876 | else | |
2877 | /* The user requested an `attach', so stop all threads of this | |
2878 | inferior. */ | |
2879 | target_stop (pid_to_ptid (ptid_get_pid (inferior_ptid))); | |
2880 | } | |
2881 | ||
6efcd9a8 PA |
2882 | mode = async_exec ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_STOP; |
2883 | ||
dc177b7a PA |
2884 | /* Some system don't generate traps when attaching to inferior. |
2885 | E.g. Mach 3 or GNU hurd. */ | |
2886 | if (!target_attach_no_wait) | |
c5aa993b | 2887 | { |
0b333c5e | 2888 | struct attach_command_continuation_args *a; |
d6b48e9c | 2889 | |
1777feb0 | 2890 | /* Careful here. See comments in inferior.h. Basically some |
dc177b7a PA |
2891 | OSes don't ignore SIGSTOPs on continue requests anymore. We |
2892 | need a way for handle_inferior_event to reset the stop_signal | |
2893 | variable after an attach, and this is what | |
2894 | STOP_QUIETLY_NO_SIGSTOP is for. */ | |
16c381f0 | 2895 | inferior->control.stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c5aa993b | 2896 | |
3b12939d | 2897 | /* Wait for stop. */ |
0b333c5e PA |
2898 | a = XNEW (struct attach_command_continuation_args); |
2899 | a->args = xstrdup (args); | |
2900 | a->from_tty = from_tty; | |
6efcd9a8 | 2901 | a->mode = mode; |
0b333c5e PA |
2902 | add_inferior_continuation (attach_command_continuation, a, |
2903 | attach_command_continuation_free_args); | |
2904 | /* Done with ARGS. */ | |
2905 | do_cleanups (args_chain); | |
2906 | ||
2907 | if (!target_is_async_p ()) | |
2908 | mark_infrun_async_event_handler (); | |
2909 | return; | |
dc177b7a | 2910 | } |
6426a772 | 2911 | |
978b9495 JK |
2912 | /* Done with ARGS. */ |
2913 | do_cleanups (args_chain); | |
2914 | ||
6efcd9a8 | 2915 | attach_post_wait (args, from_tty, mode); |
c906108c SS |
2916 | } |
2917 | ||
1941c569 PA |
2918 | /* We had just found out that the target was already attached to an |
2919 | inferior. PTID points at a thread of this new inferior, that is | |
2920 | the most likely to be stopped right now, but not necessarily so. | |
2921 | The new inferior is assumed to be already added to the inferior | |
2922 | list at this point. If LEAVE_RUNNING, then leave the threads of | |
2923 | this inferior running, except those we've explicitly seen reported | |
2924 | as stopped. */ | |
2925 | ||
2926 | void | |
2927 | notice_new_inferior (ptid_t ptid, int leave_running, int from_tty) | |
2928 | { | |
5ed8105e PA |
2929 | enum attach_post_wait_mode mode |
2930 | = leave_running ? ATTACH_POST_WAIT_RESUME : ATTACH_POST_WAIT_NOTHING; | |
1941c569 | 2931 | |
5ed8105e | 2932 | gdb::optional<scoped_restore_current_thread> restore_thread; |
1941c569 | 2933 | |
5ed8105e PA |
2934 | if (inferior_ptid != null_ptid) |
2935 | restore_thread.emplace (); | |
1941c569 | 2936 | |
6efcd9a8 PA |
2937 | /* Avoid reading registers -- we haven't fetched the target |
2938 | description yet. */ | |
2939 | switch_to_thread_no_regs (find_thread_ptid (ptid)); | |
1941c569 PA |
2940 | |
2941 | /* When we "notice" a new inferior we need to do all the things we | |
2942 | would normally do if we had just attached to it. */ | |
2943 | ||
2944 | if (is_executing (inferior_ptid)) | |
2945 | { | |
0b333c5e | 2946 | struct attach_command_continuation_args *a; |
1941c569 PA |
2947 | struct inferior *inferior = current_inferior (); |
2948 | ||
2949 | /* We're going to install breakpoints, and poke at memory, | |
2950 | ensure that the inferior is stopped for a moment while we do | |
2951 | that. */ | |
2952 | target_stop (inferior_ptid); | |
2953 | ||
16c381f0 | 2954 | inferior->control.stop_soon = STOP_QUIETLY_REMOTE; |
1941c569 PA |
2955 | |
2956 | /* Wait for stop before proceeding. */ | |
0b333c5e PA |
2957 | a = XNEW (struct attach_command_continuation_args); |
2958 | a->args = xstrdup (""); | |
2959 | a->from_tty = from_tty; | |
6efcd9a8 | 2960 | a->mode = mode; |
0b333c5e PA |
2961 | add_inferior_continuation (attach_command_continuation, a, |
2962 | attach_command_continuation_free_args); | |
1941c569 | 2963 | |
0b333c5e | 2964 | return; |
1941c569 PA |
2965 | } |
2966 | ||
6efcd9a8 | 2967 | attach_post_wait ("" /* args */, from_tty, mode); |
1941c569 PA |
2968 | } |
2969 | ||
c906108c SS |
2970 | /* |
2971 | * detach_command -- | |
2972 | * takes a program previously attached to and detaches it. | |
2973 | * The program resumes execution and will no longer stop | |
2974 | * on signals, etc. We better not have left any breakpoints | |
2975 | * in the program or it'll die when it hits one. For this | |
2976 | * to work, it may be necessary for the process to have been | |
2977 | * previously attached. It *might* work if the program was | |
2978 | * started via the normal ptrace (PTRACE_TRACEME). | |
2979 | */ | |
2980 | ||
6418d433 | 2981 | void |
fba45db2 | 2982 | detach_command (char *args, int from_tty) |
c906108c | 2983 | { |
1f5d0fc9 | 2984 | dont_repeat (); /* Not for the faint of heart. */ |
d729566a PA |
2985 | |
2986 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2987 | error (_("The program is not being run.")); | |
2988 | ||
2f9d54cf PA |
2989 | query_if_trace_running (from_tty); |
2990 | ||
2991 | disconnect_tracing (); | |
d5551862 | 2992 | |
c906108c | 2993 | target_detach (args, from_tty); |
50c71eaf | 2994 | |
63000888 PA |
2995 | /* The current inferior process was just detached successfully. Get |
2996 | rid of breakpoints that no longer make sense. Note we don't do | |
2997 | this within target_detach because that is also used when | |
2998 | following child forks, and in that case we will want to transfer | |
2999 | breakpoints to the child, not delete them. */ | |
3000 | breakpoint_init_inferior (inf_exited); | |
3001 | ||
50c71eaf PA |
3002 | /* If the solist is global across inferiors, don't clear it when we |
3003 | detach from a single inferior. */ | |
f5656ead | 3004 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
50c71eaf | 3005 | no_shared_libraries (NULL, from_tty); |
8a305172 | 3006 | |
c35b1492 PA |
3007 | /* If we still have inferiors to debug, then don't mess with their |
3008 | threads. */ | |
3009 | if (!have_inferiors ()) | |
8a305172 PA |
3010 | init_thread_list (); |
3011 | ||
9a4105ab AC |
3012 | if (deprecated_detach_hook) |
3013 | deprecated_detach_hook (); | |
c906108c SS |
3014 | } |
3015 | ||
6ad8ae5c DJ |
3016 | /* Disconnect from the current target without resuming it (leaving it |
3017 | waiting for a debugger). | |
3018 | ||
3019 | We'd better not have left any breakpoints in the program or the | |
3020 | next debugger will get confused. Currently only supported for some | |
3021 | remote targets, since the normal attach mechanisms don't work on | |
3022 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
3023 | ||
3024 | static void | |
3025 | disconnect_command (char *args, int from_tty) | |
3026 | { | |
1777feb0 | 3027 | dont_repeat (); /* Not for the faint of heart. */ |
2f9d54cf PA |
3028 | query_if_trace_running (from_tty); |
3029 | disconnect_tracing (); | |
6ad8ae5c | 3030 | target_disconnect (args, from_tty); |
e85a822c | 3031 | no_shared_libraries (NULL, from_tty); |
a0ef4274 | 3032 | init_thread_list (); |
9a4105ab AC |
3033 | if (deprecated_detach_hook) |
3034 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
3035 | } |
3036 | ||
77ebaa5a VP |
3037 | void |
3038 | interrupt_target_1 (int all_threads) | |
3039 | { | |
3040 | ptid_t ptid; | |
abbb1732 | 3041 | |
77ebaa5a VP |
3042 | if (all_threads) |
3043 | ptid = minus_one_ptid; | |
3044 | else | |
3045 | ptid = inferior_ptid; | |
e42de8c7 PA |
3046 | |
3047 | if (non_stop) | |
3048 | target_stop (ptid); | |
3049 | else | |
3050 | target_interrupt (ptid); | |
252fbfc8 PA |
3051 | |
3052 | /* Tag the thread as having been explicitly requested to stop, so | |
3053 | other parts of gdb know not to resume this thread automatically, | |
3054 | if it was stopped due to an internal event. Limit this to | |
3055 | non-stop mode, as when debugging a multi-threaded application in | |
3056 | all-stop mode, we will only get one stop event --- it's undefined | |
3057 | which thread will report the event. */ | |
3058 | if (non_stop) | |
3059 | set_stop_requested (ptid, 1); | |
77ebaa5a VP |
3060 | } |
3061 | ||
6339bfc4 DE |
3062 | /* interrupt [-a] |
3063 | Stop the execution of the target while running in async mode, in | |
17e5269b | 3064 | the background. In all-stop, stop the whole process. In non-stop |
8cae4b3f PA |
3065 | mode, stop the current thread only by default, or stop all threads |
3066 | if the `-a' switch is used. */ | |
3067 | ||
1dd5fedc | 3068 | static void |
0a07590b | 3069 | interrupt_command (char *args, int from_tty) |
43ff13b4 | 3070 | { |
362646f5 | 3071 | if (target_can_async_p ()) |
43ff13b4 | 3072 | { |
8cae4b3f PA |
3073 | int all_threads = 0; |
3074 | ||
1777feb0 | 3075 | dont_repeat (); /* Not for the faint of heart. */ |
94cc34af | 3076 | |
8cae4b3f | 3077 | if (args != NULL |
61012eef | 3078 | && startswith (args, "-a")) |
8cae4b3f PA |
3079 | all_threads = 1; |
3080 | ||
3081 | if (!non_stop && all_threads) | |
3082 | error (_("-a is meaningless in all-stop mode.")); | |
3083 | ||
77ebaa5a | 3084 | interrupt_target_1 (all_threads); |
43ff13b4 JM |
3085 | } |
3086 | } | |
3087 | ||
cc86d1cb YQ |
3088 | /* See inferior.h. */ |
3089 | ||
3090 | void | |
3091 | default_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, | |
3092 | struct frame_info *frame, const char *args) | |
c906108c | 3093 | { |
cc86d1cb YQ |
3094 | int regnum; |
3095 | int printed_something = 0; | |
d80b854b | 3096 | |
cc86d1cb YQ |
3097 | for (regnum = 0; |
3098 | regnum < gdbarch_num_regs (gdbarch) | |
3099 | + gdbarch_num_pseudo_regs (gdbarch); | |
3100 | regnum++) | |
23e3a7ac | 3101 | { |
cc86d1cb | 3102 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac | 3103 | { |
cc86d1cb YQ |
3104 | printed_something = 1; |
3105 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); | |
23e3a7ac | 3106 | } |
23e3a7ac | 3107 | } |
cc86d1cb YQ |
3108 | if (!printed_something) |
3109 | fprintf_filtered (file, "No floating-point info " | |
3110 | "available for this processor.\n"); | |
23e3a7ac AC |
3111 | } |
3112 | ||
3113 | static void | |
11db9430 | 3114 | info_float_command (char *args, int from_tty) |
23e3a7ac | 3115 | { |
cc86d1cb YQ |
3116 | struct frame_info *frame; |
3117 | ||
206415a3 DJ |
3118 | if (!target_has_registers) |
3119 | error (_("The program has no registers now.")); | |
3120 | ||
cc86d1cb YQ |
3121 | frame = get_selected_frame (NULL); |
3122 | gdbarch_print_float_info (get_frame_arch (frame), gdb_stdout, frame, args); | |
c906108c SS |
3123 | } |
3124 | \f | |
c906108c | 3125 | static void |
fba45db2 | 3126 | unset_command (char *args, int from_tty) |
c906108c | 3127 | { |
3e43a32a MS |
3128 | printf_filtered (_("\"unset\" must be followed by the " |
3129 | "name of an unset subcommand.\n")); | |
635c7e8a | 3130 | help_list (unsetlist, "unset ", all_commands, gdb_stdout); |
c906108c SS |
3131 | } |
3132 | ||
145b16a9 UW |
3133 | /* Implement `info proc' family of commands. */ |
3134 | ||
3135 | static void | |
3136 | info_proc_cmd_1 (char *args, enum info_proc_what what, int from_tty) | |
3137 | { | |
3030c96e UW |
3138 | struct gdbarch *gdbarch = get_current_arch (); |
3139 | ||
451b7c33 TT |
3140 | if (!target_info_proc (args, what)) |
3141 | { | |
3142 | if (gdbarch_info_proc_p (gdbarch)) | |
3143 | gdbarch_info_proc (gdbarch, args, what); | |
3144 | else | |
3145 | error (_("Not supported on this target.")); | |
3146 | } | |
145b16a9 UW |
3147 | } |
3148 | ||
3149 | /* Implement `info proc' when given without any futher parameters. */ | |
3150 | ||
3151 | static void | |
3152 | info_proc_cmd (char *args, int from_tty) | |
3153 | { | |
3154 | info_proc_cmd_1 (args, IP_MINIMAL, from_tty); | |
3155 | } | |
3156 | ||
3157 | /* Implement `info proc mappings'. */ | |
3158 | ||
3159 | static void | |
3160 | info_proc_cmd_mappings (char *args, int from_tty) | |
3161 | { | |
3162 | info_proc_cmd_1 (args, IP_MAPPINGS, from_tty); | |
3163 | } | |
3164 | ||
3165 | /* Implement `info proc stat'. */ | |
3166 | ||
3167 | static void | |
3168 | info_proc_cmd_stat (char *args, int from_tty) | |
3169 | { | |
3170 | info_proc_cmd_1 (args, IP_STAT, from_tty); | |
3171 | } | |
3172 | ||
3173 | /* Implement `info proc status'. */ | |
3174 | ||
3175 | static void | |
3176 | info_proc_cmd_status (char *args, int from_tty) | |
3177 | { | |
3178 | info_proc_cmd_1 (args, IP_STATUS, from_tty); | |
3179 | } | |
3180 | ||
3181 | /* Implement `info proc cwd'. */ | |
3182 | ||
3183 | static void | |
3184 | info_proc_cmd_cwd (char *args, int from_tty) | |
3185 | { | |
3186 | info_proc_cmd_1 (args, IP_CWD, from_tty); | |
3187 | } | |
3188 | ||
3189 | /* Implement `info proc cmdline'. */ | |
3190 | ||
3191 | static void | |
3192 | info_proc_cmd_cmdline (char *args, int from_tty) | |
3193 | { | |
3194 | info_proc_cmd_1 (args, IP_CMDLINE, from_tty); | |
3195 | } | |
3196 | ||
3197 | /* Implement `info proc exe'. */ | |
3198 | ||
3199 | static void | |
3200 | info_proc_cmd_exe (char *args, int from_tty) | |
3201 | { | |
3202 | info_proc_cmd_1 (args, IP_EXE, from_tty); | |
3203 | } | |
3204 | ||
3205 | /* Implement `info proc all'. */ | |
3206 | ||
3207 | static void | |
3208 | info_proc_cmd_all (char *args, int from_tty) | |
3209 | { | |
3210 | info_proc_cmd_1 (args, IP_ALL, from_tty); | |
3211 | } | |
3212 | ||
4e5a4f58 JB |
3213 | /* This help string is used for the run, start, and starti commands. |
3214 | It is defined as a macro to prevent duplication. */ | |
3215 | ||
3216 | #define RUN_ARGS_HELP \ | |
3217 | "You may specify arguments to give it.\n\ | |
3218 | Args may include \"*\", or \"[...]\"; they are expanded using the\n\ | |
3219 | shell that will start the program (specified by the \"$SHELL\" environment\n\ | |
3220 | variable). Input and output redirection with \">\", \"<\", or \">>\"\n\ | |
3221 | are also allowed.\n\ | |
3222 | \n\ | |
3223 | With no arguments, uses arguments last specified (with \"run\" or \n\ | |
3224 | \"set args\"). To cancel previous arguments and run with no arguments,\n\ | |
3225 | use \"set args\" without arguments.\n\ | |
3226 | \n\ | |
3227 | To start the inferior without using a shell, use \"set startup-with-shell off\"." | |
3228 | ||
c906108c | 3229 | void |
fba45db2 | 3230 | _initialize_infcmd (void) |
c906108c | 3231 | { |
145b16a9 | 3232 | static struct cmd_list_element *info_proc_cmdlist; |
3cb3b8df | 3233 | struct cmd_list_element *c = NULL; |
6f937416 | 3234 | const char *cmd_name; |
3cb3b8df | 3235 | |
1777feb0 | 3236 | /* Add the filename of the terminal connected to inferior I/O. */ |
0a1ddfa6 SM |
3237 | add_setshow_optional_filename_cmd ("inferior-tty", class_run, |
3238 | &inferior_io_terminal_scratch, _("\ | |
3cb3b8df BR |
3239 | Set terminal for future runs of program being debugged."), _("\ |
3240 | Show terminal for future runs of program being debugged."), _("\ | |
0a1ddfa6 SM |
3241 | Usage: set inferior-tty [TTY]\n\n\ |
3242 | If TTY is omitted, the default behavior of using the same terminal as GDB\n\ | |
3243 | is restored."), | |
3244 | set_inferior_tty_command, | |
3245 | show_inferior_tty_command, | |
3246 | &setlist, &showlist); | |
21873064 YQ |
3247 | cmd_name = "inferior-tty"; |
3248 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3249 | gdb_assert (c != NULL); | |
3250 | add_alias_cmd ("tty", c, class_alias, 0, &cmdlist); | |
c906108c | 3251 | |
6ace3df1 YQ |
3252 | cmd_name = "args"; |
3253 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
3254 | &inferior_args_scratch, _("\ | |
b4b4ac0b AC |
3255 | Set argument list to give program being debugged when it is started."), _("\ |
3256 | Show argument list to give program being debugged when it is started."), _("\ | |
3257 | Follow this command with any number of args, to be passed to the program."), | |
6ace3df1 YQ |
3258 | set_args_command, |
3259 | show_args_command, | |
3260 | &setlist, &showlist); | |
3261 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
3262 | gdb_assert (c != NULL); | |
3263 | set_cmd_completer (c, filename_completer); | |
c906108c | 3264 | |
1a966eab AC |
3265 | c = add_cmd ("environment", no_class, environment_info, _("\ |
3266 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
3267 | With an argument VAR, prints the value of environment variable VAR to\n\ |
3268 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 3269 | environment to be given to the program."), &showlist); |
5ba2abeb | 3270 | set_cmd_completer (c, noop_completer); |
c906108c SS |
3271 | |
3272 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 3273 | _("Complement to certain \"set\" commands."), |
c906108c | 3274 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 3275 | |
1a966eab AC |
3276 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
3277 | Cancel environment variable VAR for the program.\n\ | |
3278 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 3279 | &unsetlist); |
5ba2abeb | 3280 | set_cmd_completer (c, noop_completer); |
c906108c | 3281 | |
1a966eab AC |
3282 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
3283 | Set environment variable value to give the program.\n\ | |
c906108c SS |
3284 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
3285 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 3286 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 3287 | &setlist); |
5ba2abeb | 3288 | set_cmd_completer (c, noop_completer); |
c5aa993b | 3289 | |
1bedd215 AC |
3290 | c = add_com ("path", class_files, path_command, _("\ |
3291 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
3292 | $cwd in the path means the current working directory.\n\ |
3293 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
3294 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
3295 | fully linked executable files and separately compiled object files as \ |
3296 | needed.")); | |
5ba2abeb | 3297 | set_cmd_completer (c, filename_completer); |
c906108c | 3298 | |
1a966eab AC |
3299 | c = add_cmd ("paths", no_class, path_info, _("\ |
3300 | Current search path for finding object files.\n\ | |
c906108c SS |
3301 | $cwd in the path means the current working directory.\n\ |
3302 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
3303 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
3304 | fully linked executable files and separately compiled object files as \ |
3305 | needed."), | |
c906108c | 3306 | &showlist); |
5ba2abeb | 3307 | set_cmd_completer (c, noop_completer); |
c906108c | 3308 | |
2277426b PA |
3309 | add_prefix_cmd ("kill", class_run, kill_command, |
3310 | _("Kill execution of program being debugged."), | |
3311 | &killlist, "kill ", 0, &cmdlist); | |
5fd62852 | 3312 | |
1bedd215 AC |
3313 | add_com ("attach", class_run, attach_command, _("\ |
3314 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
3315 | This command attaches to another target, of the same type as your last\n\ |
3316 | \"target\" command (\"info files\" will show your target stack).\n\ | |
3317 | The command may take as argument a process id or a device file.\n\ | |
3318 | For a process id, you must have permission to send the process a signal,\n\ | |
3319 | and it must have the same effective uid as the debugger.\n\ | |
3320 | When using \"attach\" with a process id, the debugger finds the\n\ | |
3321 | program running in the process, looking first in the current working\n\ | |
3322 | directory, or (if not found there) using the source file search path\n\ | |
3323 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 3324 | to specify the program, and to load its symbol table.")); |
c906108c | 3325 | |
f73adfeb | 3326 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 3327 | Detach a process or file previously attached.\n\ |
c906108c | 3328 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
3329 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
3330 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 3331 | |
1bedd215 AC |
3332 | add_com ("disconnect", class_run, disconnect_command, _("\ |
3333 | Disconnect from a target.\n\ | |
6ad8ae5c | 3334 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 3335 | all targets.")); |
6ad8ae5c | 3336 | |
de0bea00 | 3337 | c = add_com ("signal", class_run, signal_command, _("\ |
486c7739 MF |
3338 | Continue program with the specified signal.\n\ |
3339 | Usage: signal SIGNAL\n\ | |
2edda2ff | 3340 | The SIGNAL argument is processed the same as the handle command.\n\ |
486c7739 MF |
3341 | \n\ |
3342 | An argument of \"0\" means continue the program without sending it a signal.\n\ | |
3343 | This is useful in cases where the program stopped because of a signal,\n\ | |
81219e53 DE |
3344 | and you want to resume the program while discarding the signal.\n\ |
3345 | \n\ | |
3346 | In a multi-threaded program the signal is delivered to, or discarded from,\n\ | |
3347 | the current thread only.")); | |
3348 | set_cmd_completer (c, signal_completer); | |
3349 | ||
3350 | c = add_com ("queue-signal", class_run, queue_signal_command, _("\ | |
3351 | Queue a signal to be delivered to the current thread when it is resumed.\n\ | |
3352 | Usage: queue-signal SIGNAL\n\ | |
3353 | The SIGNAL argument is processed the same as the handle command.\n\ | |
3354 | It is an error if the handling state of SIGNAL is \"nopass\".\n\ | |
3355 | \n\ | |
3356 | An argument of \"0\" means remove any currently queued signal from\n\ | |
3357 | the current thread. This is useful in cases where the program stopped\n\ | |
3358 | because of a signal, and you want to resume it while discarding the signal.\n\ | |
3359 | \n\ | |
3360 | In a multi-threaded program the signal is queued with, or discarded from,\n\ | |
3361 | the current thread only.")); | |
de0bea00 | 3362 | set_cmd_completer (c, signal_completer); |
c906108c | 3363 | |
1bedd215 AC |
3364 | add_com ("stepi", class_run, stepi_command, _("\ |
3365 | Step one instruction exactly.\n\ | |
486c7739 MF |
3366 | Usage: stepi [N]\n\ |
3367 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3368 | reason).")); |
c906108c SS |
3369 | add_com_alias ("si", "stepi", class_alias, 0); |
3370 | ||
1bedd215 AC |
3371 | add_com ("nexti", class_run, nexti_command, _("\ |
3372 | Step one instruction, but proceed through subroutine calls.\n\ | |
486c7739 MF |
3373 | Usage: nexti [N]\n\ |
3374 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3375 | reason).")); |
c906108c SS |
3376 | add_com_alias ("ni", "nexti", class_alias, 0); |
3377 | ||
1bedd215 AC |
3378 | add_com ("finish", class_run, finish_command, _("\ |
3379 | Execute until selected stack frame returns.\n\ | |
486c7739 | 3380 | Usage: finish\n\ |
1bedd215 | 3381 | Upon return, the value returned is printed and put in the value history.")); |
0e479716 | 3382 | add_com_alias ("fin", "finish", class_run, 1); |
c906108c | 3383 | |
1bedd215 AC |
3384 | add_com ("next", class_run, next_command, _("\ |
3385 | Step program, proceeding through subroutine calls.\n\ | |
486c7739 MF |
3386 | Usage: next [N]\n\ |
3387 | Unlike \"step\", if the current source line calls a subroutine,\n\ | |
3388 | this command does not enter the subroutine, but instead steps over\n\ | |
dbf6a605 | 3389 | the call, in effect treating it as a single source line.")); |
c906108c | 3390 | add_com_alias ("n", "next", class_run, 1); |
c906108c | 3391 | |
1bedd215 AC |
3392 | add_com ("step", class_run, step_command, _("\ |
3393 | Step program until it reaches a different source line.\n\ | |
486c7739 MF |
3394 | Usage: step [N]\n\ |
3395 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3396 | reason).")); |
c906108c SS |
3397 | add_com_alias ("s", "step", class_run, 1); |
3398 | ||
1bedd215 AC |
3399 | c = add_com ("until", class_run, until_command, _("\ |
3400 | Execute until the program reaches a source line greater than the current\n\ | |
3e43a32a MS |
3401 | or a specified location (same args as break command) within the current \ |
3402 | frame.")); | |
5ba2abeb | 3403 | set_cmd_completer (c, location_completer); |
c906108c | 3404 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 3405 | |
1bedd215 | 3406 | c = add_com ("advance", class_run, advance_command, _("\ |
3e43a32a MS |
3407 | Continue the program up to the given location (same form as args for break \ |
3408 | command).\n\ | |
1bedd215 | 3409 | Execution will also stop upon exit from the current stack frame.")); |
ae66c1fc EZ |
3410 | set_cmd_completer (c, location_completer); |
3411 | ||
1bedd215 AC |
3412 | c = add_com ("jump", class_run, jump_command, _("\ |
3413 | Continue program being debugged at specified line or address.\n\ | |
486c7739 | 3414 | Usage: jump <location>\n\ |
c906108c | 3415 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 3416 | for an address to start at.")); |
5ba2abeb | 3417 | set_cmd_completer (c, location_completer); |
c1d780c2 | 3418 | add_com_alias ("j", "jump", class_run, 1); |
c906108c | 3419 | |
df983543 | 3420 | add_com ("continue", class_run, continue_command, _("\ |
1bedd215 | 3421 | Continue program being debugged, after signal or breakpoint.\n\ |
486c7739 | 3422 | Usage: continue [N]\n\ |
c906108c SS |
3423 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
3424 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
8cae4b3f PA |
3425 | the breakpoint won't break until the Nth time it is reached).\n\ |
3426 | \n\ | |
3427 | If non-stop mode is enabled, continue only the current thread,\n\ | |
3428 | otherwise all the threads in the program are continued. To \n\ | |
3429 | continue all stopped threads in non-stop mode, use the -a option.\n\ | |
3430 | Specifying -a and an ignore count simultaneously is an error.")); | |
c906108c SS |
3431 | add_com_alias ("c", "cont", class_run, 1); |
3432 | add_com_alias ("fg", "cont", class_run, 1); | |
3433 | ||
1bedd215 | 3434 | c = add_com ("run", class_run, run_command, _("\ |
4e5a4f58 JB |
3435 | Start debugged program.\n" |
3436 | RUN_ARGS_HELP)); | |
5ba2abeb | 3437 | set_cmd_completer (c, filename_completer); |
c906108c | 3438 | add_com_alias ("r", "run", class_run, 1); |
c906108c | 3439 | |
1bedd215 | 3440 | c = add_com ("start", class_run, start_command, _("\ |
4e5a4f58 JB |
3441 | Start the debugged program stopping at the beginning of the main procedure.\n" |
3442 | RUN_ARGS_HELP)); | |
3443 | set_cmd_completer (c, filename_completer); | |
3444 | ||
3445 | c = add_com ("starti", class_run, starti_command, _("\ | |
3446 | Start the debugged program stopping at the first instruction.\n" | |
3447 | RUN_ARGS_HELP)); | |
a4d5f2e0 JB |
3448 | set_cmd_completer (c, filename_completer); |
3449 | ||
0a07590b | 3450 | add_com ("interrupt", class_run, interrupt_command, |
df983543 | 3451 | _("Interrupt the execution of the debugged program.\n\ |
8cae4b3f PA |
3452 | If non-stop mode is enabled, interrupt only the current thread,\n\ |
3453 | otherwise all the threads in the program are stopped. To \n\ | |
3454 | interrupt all running threads in non-stop mode, use the -a option.")); | |
43ff13b4 | 3455 | |
11db9430 | 3456 | c = add_info ("registers", info_registers_command, _("\ |
1bedd215 AC |
3457 | List of integer registers and their contents, for selected stack frame.\n\ |
3458 | Register name as argument means describe only that register.")); | |
7194c49b | 3459 | add_info_alias ("r", "registers", 1); |
71c24708 | 3460 | set_cmd_completer (c, reg_or_group_completer); |
c906108c | 3461 | |
11db9430 | 3462 | c = add_info ("all-registers", info_all_registers_command, _("\ |
1bedd215 AC |
3463 | List of all registers and their contents, for selected stack frame.\n\ |
3464 | Register name as argument means describe only that register.")); | |
71c24708 | 3465 | set_cmd_completer (c, reg_or_group_completer); |
c906108c | 3466 | |
11db9430 | 3467 | add_info ("program", info_program_command, |
1bedd215 | 3468 | _("Execution status of the program.")); |
c906108c | 3469 | |
11db9430 | 3470 | add_info ("float", info_float_command, |
1bedd215 | 3471 | _("Print the status of the floating point unit\n")); |
c906108c | 3472 | |
11db9430 | 3473 | add_info ("vector", info_vector_command, |
1bedd215 | 3474 | _("Print the status of the vector unit\n")); |
145b16a9 UW |
3475 | |
3476 | add_prefix_cmd ("proc", class_info, info_proc_cmd, | |
3477 | _("\ | |
3478 | Show /proc process information about any running process.\n\ | |
3479 | Specify any process id, or use the program being debugged by default."), | |
3480 | &info_proc_cmdlist, "info proc ", | |
3481 | 1/*allow-unknown*/, &infolist); | |
3482 | ||
3483 | add_cmd ("mappings", class_info, info_proc_cmd_mappings, _("\ | |
3484 | List of mapped memory regions."), | |
3485 | &info_proc_cmdlist); | |
3486 | ||
3487 | add_cmd ("stat", class_info, info_proc_cmd_stat, _("\ | |
3488 | List process info from /proc/PID/stat."), | |
3489 | &info_proc_cmdlist); | |
3490 | ||
3491 | add_cmd ("status", class_info, info_proc_cmd_status, _("\ | |
3492 | List process info from /proc/PID/status."), | |
3493 | &info_proc_cmdlist); | |
3494 | ||
3495 | add_cmd ("cwd", class_info, info_proc_cmd_cwd, _("\ | |
3496 | List current working directory of the process."), | |
3497 | &info_proc_cmdlist); | |
3498 | ||
3499 | add_cmd ("cmdline", class_info, info_proc_cmd_cmdline, _("\ | |
3500 | List command line arguments of the process."), | |
3501 | &info_proc_cmdlist); | |
3502 | ||
3503 | add_cmd ("exe", class_info, info_proc_cmd_exe, _("\ | |
3504 | List absolute filename for executable of the process."), | |
3505 | &info_proc_cmdlist); | |
3506 | ||
3507 | add_cmd ("all", class_info, info_proc_cmd_all, _("\ | |
3508 | List all available /proc info."), | |
3509 | &info_proc_cmdlist); | |
c906108c | 3510 | } |