Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 2 | |
ecd75fc8 | 3 | Copyright (C) 1986-2014 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> |
0e9f083f | 23 | #include <string.h> |
c906108c SS |
24 | #include "symtab.h" |
25 | #include "gdbtypes.h" | |
26 | #include "frame.h" | |
27 | #include "inferior.h" | |
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> |
92ad9cd9 | 45 | #include "gdb_assert.h" |
281b533b | 46 | #include "observer.h" |
424163ea | 47 | #include "target-descriptions.h" |
ad842144 | 48 | #include "user-regs.h" |
32c1e744 | 49 | #include "exceptions.h" |
700b53b1 | 50 | #include "cli/cli-decode.h" |
a0ef4274 | 51 | #include "gdbthread.h" |
79a45b7d | 52 | #include "valprint.h" |
edb3359d | 53 | #include "inline-frame.h" |
573cda03 | 54 | #include "tracepoint.h" |
09cee04b | 55 | #include "inf-loop.h" |
be34f849 | 56 | #include "continuations.h" |
f8eba3c6 | 57 | #include "linespec.h" |
529480d0 | 58 | #include "cli/cli-utils.h" |
d5551862 | 59 | |
a58dd373 EZ |
60 | /* Local functions: */ |
61 | ||
62 | static void nofp_registers_info (char *, int); | |
63 | ||
6a3a010b | 64 | static void print_return_value (struct value *function, |
c055b101 | 65 | struct type *value_type); |
11cf8741 | 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 | |
a14ed312 | 77 | static void float_info (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 | |
a14ed312 | 87 | static void program_info (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 *); |
3e43a32a MS |
96 | static void step_once (int skip_subroutines, int single_inst, |
97 | int count, int thread); | |
c906108c | 98 | |
a14ed312 | 99 | static void next_command (char *, int); |
c906108c | 100 | |
a14ed312 | 101 | static void step_command (char *, int); |
c906108c | 102 | |
a14ed312 | 103 | static void run_command (char *, int); |
c906108c | 104 | |
a14ed312 | 105 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 106 | |
a14ed312 | 107 | static void go_command (char *line_no, int from_tty); |
392a587b | 108 | |
a14ed312 | 109 | static int strip_bg_char (char **); |
43ff13b4 | 110 | |
a14ed312 | 111 | void _initialize_infcmd (void); |
c906108c | 112 | |
c906108c | 113 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 114 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c | 115 | |
3e43a32a MS |
116 | /* Scratch area where string containing arguments to give to the |
117 | program will be stored by 'set args'. As soon as anything is | |
118 | stored, notice_args_set will move it into per-inferior storage. | |
1777feb0 | 119 | Arguments are separated by spaces. Empty string (pointer to '\0') |
3e43a32a | 120 | means no args. */ |
c906108c | 121 | |
3f81c18a | 122 | static char *inferior_args_scratch; |
c906108c | 123 | |
3f81c18a VP |
124 | /* Scratch area where 'set inferior-tty' will store user-provided value. |
125 | We'll immediate copy it into per-inferior storage. */ | |
552c04a7 | 126 | |
3f81c18a | 127 | static char *inferior_io_terminal_scratch; |
c906108c SS |
128 | |
129 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
130 | Since various parts of infrun.c test this to see whether there is a program | |
131 | being debugged it should be nonzero (currently 3 is used) for remote | |
132 | debugging. */ | |
133 | ||
39f77062 | 134 | ptid_t inferior_ptid; |
c906108c | 135 | |
c906108c SS |
136 | /* Address at which inferior stopped. */ |
137 | ||
138 | CORE_ADDR stop_pc; | |
139 | ||
c906108c SS |
140 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
141 | ||
aa7d318d | 142 | enum stop_stack_kind stop_stack_dummy; |
c906108c SS |
143 | |
144 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
145 | process. */ | |
146 | ||
147 | int stopped_by_random_signal; | |
148 | ||
98882a26 PA |
149 | /* See inferior.h. */ |
150 | ||
151 | int startup_with_shell = 1; | |
152 | ||
c906108c | 153 | \f |
1777feb0 | 154 | /* Accessor routines. */ |
07091751 | 155 | |
3f81c18a VP |
156 | /* Set the io terminal for the current inferior. Ownership of |
157 | TERMINAL_NAME is not transferred. */ | |
158 | ||
3cb3b8df BR |
159 | void |
160 | set_inferior_io_terminal (const char *terminal_name) | |
161 | { | |
3f81c18a VP |
162 | xfree (current_inferior ()->terminal); |
163 | current_inferior ()->terminal = terminal_name ? xstrdup (terminal_name) : 0; | |
3cb3b8df BR |
164 | } |
165 | ||
166 | const char * | |
167 | get_inferior_io_terminal (void) | |
168 | { | |
3f81c18a VP |
169 | return current_inferior ()->terminal; |
170 | } | |
171 | ||
172 | static void | |
173 | set_inferior_tty_command (char *args, int from_tty, | |
174 | struct cmd_list_element *c) | |
175 | { | |
176 | /* CLI has assigned the user-provided value to inferior_io_terminal_scratch. | |
177 | Now route it to current inferior. */ | |
178 | set_inferior_io_terminal (inferior_io_terminal_scratch); | |
179 | } | |
180 | ||
181 | static void | |
182 | show_inferior_tty_command (struct ui_file *file, int from_tty, | |
183 | struct cmd_list_element *c, const char *value) | |
184 | { | |
185 | /* Note that we ignore the passed-in value in favor of computing it | |
186 | directly. */ | |
275f2e57 | 187 | const char *inferior_io_terminal = get_inferior_io_terminal (); |
abbb1732 | 188 | |
275f2e57 DJ |
189 | if (inferior_io_terminal == NULL) |
190 | inferior_io_terminal = ""; | |
3f81c18a | 191 | fprintf_filtered (gdb_stdout, |
275f2e57 DJ |
192 | _("Terminal for future runs of program being debugged " |
193 | "is \"%s\".\n"), inferior_io_terminal); | |
3cb3b8df BR |
194 | } |
195 | ||
07091751 FN |
196 | char * |
197 | get_inferior_args (void) | |
198 | { | |
3f81c18a | 199 | if (current_inferior ()->argc != 0) |
552c04a7 | 200 | { |
3f81c18a | 201 | char *n; |
552c04a7 | 202 | |
3f81c18a VP |
203 | n = construct_inferior_arguments (current_inferior ()->argc, |
204 | current_inferior ()->argv); | |
205 | set_inferior_args (n); | |
206 | xfree (n); | |
552c04a7 TT |
207 | } |
208 | ||
3f81c18a VP |
209 | if (current_inferior ()->args == NULL) |
210 | current_inferior ()->args = xstrdup (""); | |
552c04a7 | 211 | |
3f81c18a | 212 | return current_inferior ()->args; |
07091751 FN |
213 | } |
214 | ||
3f81c18a VP |
215 | /* Set the arguments for the current inferior. Ownership of |
216 | NEWARGS is not transferred. */ | |
217 | ||
218 | void | |
07091751 FN |
219 | set_inferior_args (char *newargs) |
220 | { | |
3f81c18a VP |
221 | xfree (current_inferior ()->args); |
222 | current_inferior ()->args = newargs ? xstrdup (newargs) : NULL; | |
223 | current_inferior ()->argc = 0; | |
224 | current_inferior ()->argv = 0; | |
07091751 | 225 | } |
c5aa993b | 226 | |
552c04a7 TT |
227 | void |
228 | set_inferior_args_vector (int argc, char **argv) | |
229 | { | |
3f81c18a VP |
230 | current_inferior ()->argc = argc; |
231 | current_inferior ()->argv = argv; | |
552c04a7 TT |
232 | } |
233 | ||
234 | /* Notice when `set args' is run. */ | |
6339bfc4 | 235 | |
552c04a7 | 236 | static void |
3f81c18a | 237 | set_args_command (char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 | 238 | { |
3f81c18a VP |
239 | /* CLI has assigned the user-provided value to inferior_args_scratch. |
240 | Now route it to current inferior. */ | |
241 | set_inferior_args (inferior_args_scratch); | |
552c04a7 TT |
242 | } |
243 | ||
244 | /* Notice when `show args' is run. */ | |
6339bfc4 | 245 | |
552c04a7 | 246 | static void |
3f81c18a VP |
247 | show_args_command (struct ui_file *file, int from_tty, |
248 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 249 | { |
258c00cc TT |
250 | /* Note that we ignore the passed-in value in favor of computing it |
251 | directly. */ | |
252 | deprecated_show_value_hack (file, from_tty, c, get_inferior_args ()); | |
552c04a7 TT |
253 | } |
254 | ||
c2a727fa TT |
255 | \f |
256 | /* Compute command-line string given argument vector. This does the | |
257 | same shell processing as fork_inferior. */ | |
6339bfc4 | 258 | |
c2a727fa | 259 | char * |
bd57a748 | 260 | construct_inferior_arguments (int argc, char **argv) |
c2a727fa TT |
261 | { |
262 | char *result; | |
263 | ||
98882a26 | 264 | if (startup_with_shell) |
c2a727fa | 265 | { |
5d60742e EZ |
266 | #ifdef __MINGW32__ |
267 | /* This holds all the characters considered special to the | |
268 | Windows shells. */ | |
269 | char *special = "\"!&*|[]{}<>?`~^=;, \t\n"; | |
270 | const char quote = '"'; | |
271 | #else | |
c2a727fa TT |
272 | /* This holds all the characters considered special to the |
273 | typical Unix shells. We include `^' because the SunOS | |
274 | /bin/sh treats it as a synonym for `|'. */ | |
5d60742e EZ |
275 | char *special = "\"!#$&*()\\|[]{}<>?'`~^; \t\n"; |
276 | const char quote = '\''; | |
277 | #endif | |
c2a727fa TT |
278 | int i; |
279 | int length = 0; | |
280 | char *out, *cp; | |
281 | ||
282 | /* We over-compute the size. It shouldn't matter. */ | |
283 | for (i = 0; i < argc; ++i) | |
c2226152 | 284 | length += 3 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
285 | |
286 | result = (char *) xmalloc (length); | |
287 | out = result; | |
288 | ||
289 | for (i = 0; i < argc; ++i) | |
290 | { | |
291 | if (i > 0) | |
292 | *out++ = ' '; | |
293 | ||
03c6228e AS |
294 | /* Need to handle empty arguments specially. */ |
295 | if (argv[i][0] == '\0') | |
c2a727fa | 296 | { |
5d60742e EZ |
297 | *out++ = quote; |
298 | *out++ = quote; | |
03c6228e AS |
299 | } |
300 | else | |
301 | { | |
5d60742e EZ |
302 | #ifdef __MINGW32__ |
303 | int quoted = 0; | |
304 | ||
305 | if (strpbrk (argv[i], special)) | |
306 | { | |
307 | quoted = 1; | |
308 | *out++ = quote; | |
309 | } | |
310 | #endif | |
03c6228e AS |
311 | for (cp = argv[i]; *cp; ++cp) |
312 | { | |
c2226152 AS |
313 | if (*cp == '\n') |
314 | { | |
315 | /* A newline cannot be quoted with a backslash (it | |
316 | just disappears), only by putting it inside | |
317 | quotes. */ | |
5d60742e | 318 | *out++ = quote; |
c2226152 | 319 | *out++ = '\n'; |
5d60742e | 320 | *out++ = quote; |
c2226152 AS |
321 | } |
322 | else | |
323 | { | |
5d60742e EZ |
324 | #ifdef __MINGW32__ |
325 | if (*cp == quote) | |
326 | #else | |
c2226152 | 327 | if (strchr (special, *cp) != NULL) |
5d60742e | 328 | #endif |
c2226152 AS |
329 | *out++ = '\\'; |
330 | *out++ = *cp; | |
331 | } | |
03c6228e | 332 | } |
5d60742e EZ |
333 | #ifdef __MINGW32__ |
334 | if (quoted) | |
335 | *out++ = quote; | |
336 | #endif | |
c2a727fa TT |
337 | } |
338 | } | |
339 | *out = '\0'; | |
340 | } | |
341 | else | |
342 | { | |
343 | /* In this case we can't handle arguments that contain spaces, | |
344 | tabs, or newlines -- see breakup_args(). */ | |
345 | int i; | |
346 | int length = 0; | |
347 | ||
348 | for (i = 0; i < argc; ++i) | |
349 | { | |
350 | char *cp = strchr (argv[i], ' '); | |
351 | if (cp == NULL) | |
352 | cp = strchr (argv[i], '\t'); | |
353 | if (cp == NULL) | |
354 | cp = strchr (argv[i], '\n'); | |
355 | if (cp != NULL) | |
3e43a32a MS |
356 | error (_("can't handle command-line " |
357 | "argument containing whitespace")); | |
c2a727fa TT |
358 | length += strlen (argv[i]) + 1; |
359 | } | |
360 | ||
361 | result = (char *) xmalloc (length); | |
362 | result[0] = '\0'; | |
363 | for (i = 0; i < argc; ++i) | |
364 | { | |
365 | if (i > 0) | |
366 | strcat (result, " "); | |
367 | strcat (result, argv[i]); | |
368 | } | |
369 | } | |
370 | ||
371 | return result; | |
372 | } | |
552c04a7 TT |
373 | \f |
374 | ||
43ff13b4 JM |
375 | /* This function detects whether or not a '&' character (indicating |
376 | background execution) has been added as *the last* of the arguments ARGS | |
1777feb0 MS |
377 | of a command. If it has, it removes it and returns 1. Otherwise it |
378 | does nothing and returns 0. */ | |
6339bfc4 | 379 | |
c5aa993b | 380 | static int |
fba45db2 | 381 | strip_bg_char (char **args) |
43ff13b4 JM |
382 | { |
383 | char *p = NULL; | |
c5aa993b | 384 | |
9846de1b | 385 | p = strchr (*args, '&'); |
c5aa993b | 386 | |
9846de1b | 387 | if (p) |
43ff13b4 JM |
388 | { |
389 | if (p == (*args + strlen (*args) - 1)) | |
390 | { | |
c5aa993b | 391 | if (strlen (*args) > 1) |
43ff13b4 JM |
392 | { |
393 | do | |
394 | p--; | |
395 | while (*p == ' ' || *p == '\t'); | |
396 | *(p + 1) = '\0'; | |
397 | } | |
398 | else | |
399 | *args = 0; | |
400 | return 1; | |
401 | } | |
402 | } | |
403 | return 0; | |
404 | } | |
405 | ||
281b533b DJ |
406 | /* Common actions to take after creating any sort of inferior, by any |
407 | means (running, attaching, connecting, et cetera). The target | |
408 | should be stopped. */ | |
409 | ||
410 | void | |
411 | post_create_inferior (struct target_ops *target, int from_tty) | |
412 | { | |
ce406537 PA |
413 | volatile struct gdb_exception ex; |
414 | ||
b79599ff DP |
415 | /* Be sure we own the terminal in case write operations are performed. */ |
416 | target_terminal_ours (); | |
417 | ||
424163ea DJ |
418 | /* If the target hasn't taken care of this already, do it now. |
419 | Targets which need to access registers during to_open, | |
420 | to_create_inferior, or to_attach should do it earlier; but many | |
421 | don't need to. */ | |
422 | target_find_description (); | |
423 | ||
ce406537 PA |
424 | /* Now that we know the register layout, retrieve current PC. But |
425 | if the PC is unavailable (e.g., we're opening a core file with | |
426 | missing registers info), ignore it. */ | |
427 | stop_pc = 0; | |
428 | TRY_CATCH (ex, RETURN_MASK_ERROR) | |
429 | { | |
430 | stop_pc = regcache_read_pc (get_current_regcache ()); | |
431 | } | |
432 | if (ex.reason < 0 && ex.error != NOT_AVAILABLE_ERROR) | |
433 | throw_exception (ex); | |
f698437e | 434 | |
50c71eaf PA |
435 | if (exec_bfd) |
436 | { | |
2eff07b3 PP |
437 | const unsigned solib_add_generation |
438 | = current_program_space->solib_add_generation; | |
439 | ||
9353355f DJ |
440 | /* Create the hooks to handle shared library load and unload |
441 | events. */ | |
268a4a75 | 442 | solib_create_inferior_hook (from_tty); |
268a4a75 | 443 | |
2eff07b3 PP |
444 | if (current_program_space->solib_add_generation == solib_add_generation) |
445 | { | |
446 | /* The platform-specific hook should load initial shared libraries, | |
447 | but didn't. FROM_TTY will be incorrectly 0 but such solib | |
448 | targets should be fixed anyway. Call it only after the solib | |
449 | target has been initialized by solib_create_inferior_hook. */ | |
450 | ||
451 | if (info_verbose) | |
452 | warning (_("platform-specific solib_create_inferior_hook did " | |
453 | "not load initial shared libraries.")); | |
454 | ||
455 | /* If the solist is global across processes, there's no need to | |
456 | refetch it here. */ | |
f5656ead | 457 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
4d1eb6b4 | 458 | solib_add (NULL, 0, target, auto_solib_add); |
2eff07b3 | 459 | } |
9353355f DJ |
460 | } |
461 | ||
ea5d7a99 PM |
462 | /* If the user sets watchpoints before execution having started, |
463 | then she gets software watchpoints, because GDB can't know which | |
464 | target will end up being pushed, or if it supports hardware | |
465 | watchpoints or not. breakpoint_re_set takes care of promoting | |
466 | watchpoints to hardware watchpoints if possible, however, if this | |
467 | new inferior doesn't load shared libraries or we don't pull in | |
468 | symbols from any other source on this target/arch, | |
469 | breakpoint_re_set is never called. Call it now so that software | |
470 | watchpoints get a chance to be promoted to hardware watchpoints | |
471 | if the now pushed target supports hardware watchpoints. */ | |
472 | breakpoint_re_set (); | |
473 | ||
281b533b DJ |
474 | observer_notify_inferior_created (target, from_tty); |
475 | } | |
476 | ||
a4d5f2e0 JB |
477 | /* Kill the inferior if already running. This function is designed |
478 | to be called when we are about to start the execution of the program | |
479 | from the beginning. Ask the user to confirm that he wants to restart | |
480 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 481 | |
8edfe269 | 482 | static void |
a4d5f2e0 JB |
483 | kill_if_already_running (int from_tty) |
484 | { | |
39f77062 | 485 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 486 | { |
8edfe269 DJ |
487 | /* Bail out before killing the program if we will not be able to |
488 | restart it. */ | |
489 | target_require_runnable (); | |
490 | ||
adf40b2e | 491 | if (from_tty |
9e2f0ad4 HZ |
492 | && !query (_("The program being debugged has been started already.\n\ |
493 | Start it from the beginning? "))) | |
8a3fe4f8 | 494 | error (_("Program not restarted.")); |
c906108c | 495 | target_kill (); |
c906108c | 496 | } |
a4d5f2e0 JB |
497 | } |
498 | ||
8bc2fe48 PA |
499 | /* Prepare for execution command. TARGET is the target that will run |
500 | the command. BACKGROUND determines whether this is a foreground | |
501 | (synchronous) or background (asynchronous) command. */ | |
502 | ||
503 | static void | |
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 | ||
511 | /* If we don't get a request of running in the bg, then we need | |
512 | to simulate synchronous (fg) execution. */ | |
513 | if (!background && target->to_can_async_p (target)) | |
514 | { | |
515 | /* Simulate synchronous execution. Note no cleanup is necessary | |
516 | for this. stdin is re-enabled whenever an error reaches the | |
517 | top level. */ | |
518 | async_disable_stdin (); | |
519 | } | |
520 | } | |
521 | ||
1777feb0 | 522 | /* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert |
f67a969f JB |
523 | a temporary breakpoint at the begining of the main program before |
524 | running the program. */ | |
525 | ||
a4d5f2e0 | 526 | static void |
f67a969f | 527 | run_command_1 (char *args, int from_tty, int tbreak_at_main) |
a4d5f2e0 JB |
528 | { |
529 | char *exec_file; | |
29f49a6a PA |
530 | struct cleanup *old_chain; |
531 | ptid_t ptid; | |
79a45e25 | 532 | struct ui_out *uiout = current_uiout; |
b3ccfe11 | 533 | struct target_ops *run_target; |
8bc2fe48 | 534 | int async_exec = 0; |
c906108c | 535 | |
a4d5f2e0 JB |
536 | dont_repeat (); |
537 | ||
538 | kill_if_already_running (from_tty); | |
3c35e65b UW |
539 | |
540 | init_wait_for_inferior (); | |
c906108c SS |
541 | clear_breakpoint_hit_counts (); |
542 | ||
fd79ecee DJ |
543 | /* Clean up any leftovers from other runs. Some other things from |
544 | this function should probably be moved into target_pre_inferior. */ | |
545 | target_pre_inferior (from_tty); | |
546 | ||
39ad761d JB |
547 | /* The comment here used to read, "The exec file is re-read every |
548 | time we do a generic_mourn_inferior, so we just have to worry | |
549 | about the symbol file." The `generic_mourn_inferior' function | |
550 | gets called whenever the program exits. However, suppose the | |
551 | program exits, and *then* the executable file changes? We need | |
552 | to check again here. Since reopen_exec_file doesn't do anything | |
553 | if the timestamp hasn't changed, I don't see the harm. */ | |
554 | reopen_exec_file (); | |
c906108c SS |
555 | reread_symbols (); |
556 | ||
8bc2fe48 PA |
557 | if (args != NULL) |
558 | async_exec = strip_bg_char (&args); | |
f67a969f | 559 | |
8bc2fe48 PA |
560 | /* Do validation and preparation before possibly changing anything |
561 | in the inferior. */ | |
39ad761d | 562 | |
b3ccfe11 TT |
563 | run_target = find_run_target (); |
564 | ||
8bc2fe48 PA |
565 | prepare_execution_command (run_target, async_exec); |
566 | ||
b3ccfe11 | 567 | if (non_stop && !run_target->to_supports_non_stop (run_target)) |
9908b566 VP |
568 | error (_("The target does not support running in non-stop mode.")); |
569 | ||
8bc2fe48 PA |
570 | /* Done. Can now set breakpoints, change inferior args, etc. */ |
571 | ||
572 | /* Insert the temporary breakpoint if a location was specified. */ | |
573 | if (tbreak_at_main) | |
574 | tbreak_command (main_name (), 0); | |
575 | ||
576 | exec_file = (char *) get_exec_file (0); | |
577 | ||
c906108c SS |
578 | /* We keep symbols from add-symbol-file, on the grounds that the |
579 | user might want to add some symbols before running the program | |
580 | (right?). But sometimes (dynamic loading where the user manually | |
581 | introduces the new symbols with add-symbol-file), the code which | |
582 | the symbols describe does not persist between runs. Currently | |
583 | the user has to manually nuke all symbols between runs if they | |
584 | want them to go away (PR 2207). This is probably reasonable. */ | |
585 | ||
8bc2fe48 PA |
586 | /* If there were other args, beside '&', process them. */ |
587 | if (args != NULL) | |
588 | set_inferior_args (args); | |
c906108c SS |
589 | |
590 | if (from_tty) | |
591 | { | |
8b93c638 JM |
592 | ui_out_field_string (uiout, NULL, "Starting program"); |
593 | ui_out_text (uiout, ": "); | |
594 | if (exec_file) | |
595 | ui_out_field_string (uiout, "execfile", exec_file); | |
596 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
597 | /* We call get_inferior_args() because we might need to compute |
598 | the value now. */ | |
599 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
600 | ui_out_text (uiout, "\n"); |
601 | ui_out_flush (uiout); | |
c906108c SS |
602 | } |
603 | ||
552c04a7 TT |
604 | /* We call get_inferior_args() because we might need to compute |
605 | the value now. */ | |
b3ccfe11 TT |
606 | run_target->to_create_inferior (run_target, exec_file, get_inferior_args (), |
607 | environ_vector (current_inferior ()->environment), | |
608 | from_tty); | |
609 | /* to_create_inferior should push the target, so after this point we | |
610 | shouldn't refer to run_target again. */ | |
611 | run_target = NULL; | |
281b533b | 612 | |
29f49a6a PA |
613 | /* We're starting off a new process. When we get out of here, in |
614 | non-stop mode, finish the state of all threads of that process, | |
615 | but leave other threads alone, as they may be stopped in internal | |
616 | events --- the frontend shouldn't see them as stopped. In | |
617 | all-stop, always finish the state of all threads, as we may be | |
618 | resuming more than just the new process. */ | |
619 | if (non_stop) | |
620 | ptid = pid_to_ptid (ptid_get_pid (inferior_ptid)); | |
621 | else | |
622 | ptid = minus_one_ptid; | |
623 | old_chain = make_cleanup (finish_thread_state_cleanup, &ptid); | |
624 | ||
de1b3c3d PA |
625 | /* Pass zero for FROM_TTY, because at this point the "run" command |
626 | has done its thing; now we are setting up the running program. */ | |
627 | post_create_inferior (¤t_target, 0); | |
281b533b | 628 | |
74d1f91e JK |
629 | /* Start the target running. Do not use -1 continuation as it would skip |
630 | breakpoint right at the entry point. */ | |
a493e3e2 | 631 | proceed (regcache_read_pc (get_current_regcache ()), GDB_SIGNAL_0, 0); |
c906108c | 632 | |
29f49a6a PA |
633 | /* Since there was no error, there's no need to finish the thread |
634 | states here. */ | |
635 | discard_cleanups (old_chain); | |
636 | } | |
c906108c | 637 | |
f67a969f JB |
638 | static void |
639 | run_command (char *args, int from_tty) | |
640 | { | |
641 | run_command_1 (args, from_tty, 0); | |
642 | } | |
643 | ||
c906108c | 644 | static void |
fba45db2 | 645 | run_no_args_command (char *args, int from_tty) |
c906108c | 646 | { |
3f81c18a | 647 | set_inferior_args (""); |
c906108c | 648 | } |
c906108c | 649 | \f |
c5aa993b | 650 | |
a4d5f2e0 JB |
651 | /* Start the execution of the program up until the beginning of the main |
652 | program. */ | |
653 | ||
654 | static void | |
655 | start_command (char *args, int from_tty) | |
656 | { | |
657 | /* Some languages such as Ada need to search inside the program | |
658 | minimal symbols for the location where to put the temporary | |
659 | breakpoint before starting. */ | |
660 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 661 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 662 | |
f67a969f JB |
663 | /* Run the program until reaching the main procedure... */ |
664 | run_command_1 (args, from_tty, 1); | |
a4d5f2e0 JB |
665 | } |
666 | ||
8cae4b3f PA |
667 | static int |
668 | proceed_thread_callback (struct thread_info *thread, void *arg) | |
669 | { | |
74531fed PA |
670 | /* We go through all threads individually instead of compressing |
671 | into a single target `resume_all' request, because some threads | |
672 | may be stopped in internal breakpoints/events, or stopped waiting | |
673 | for its turn in the displaced stepping queue (that is, they are | |
674 | running && !executing). The target side has no idea about why | |
675 | the thread is stopped, so a `resume_all' command would resume too | |
676 | much. If/when GDB gains a way to tell the target `hold this | |
677 | thread stopped until I say otherwise', then we can optimize | |
678 | this. */ | |
4f8d22e3 | 679 | if (!is_stopped (thread->ptid)) |
8cae4b3f PA |
680 | return 0; |
681 | ||
dcf4fbde | 682 | switch_to_thread (thread->ptid); |
8cae4b3f | 683 | clear_proceed_status (); |
a493e3e2 | 684 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
8cae4b3f PA |
685 | return 0; |
686 | } | |
687 | ||
70221824 | 688 | static void |
d729566a PA |
689 | ensure_valid_thread (void) |
690 | { | |
691 | if (ptid_equal (inferior_ptid, null_ptid) | |
692 | || is_exited (inferior_ptid)) | |
3e43a32a | 693 | error (_("Cannot execute this command without a live selected thread.")); |
d729566a PA |
694 | } |
695 | ||
573cda03 | 696 | /* If the user is looking at trace frames, any resumption of execution |
1777feb0 | 697 | is likely to mix up recorded and live target data. So simply |
573cda03 SS |
698 | disallow those commands. */ |
699 | ||
70221824 | 700 | static void |
573cda03 SS |
701 | ensure_not_tfind_mode (void) |
702 | { | |
703 | if (get_traceframe_number () >= 0) | |
3e43a32a | 704 | error (_("Cannot execute this command while looking at trace frames.")); |
573cda03 SS |
705 | } |
706 | ||
3d3fef6b YQ |
707 | /* Throw an error indicating the current thread is running. */ |
708 | ||
709 | static void | |
710 | error_is_running (void) | |
711 | { | |
712 | error (_("Cannot execute this command while " | |
713 | "the selected thread is running.")); | |
714 | } | |
715 | ||
716 | /* Calls error_is_running if the current thread is running. */ | |
717 | ||
718 | static void | |
719 | ensure_not_running (void) | |
720 | { | |
721 | if (is_running (inferior_ptid)) | |
722 | error_is_running (); | |
723 | } | |
724 | ||
77ebaa5a VP |
725 | void |
726 | continue_1 (int all_threads) | |
727 | { | |
3d488bfc | 728 | ERROR_NO_INFERIOR; |
573cda03 | 729 | ensure_not_tfind_mode (); |
3d488bfc | 730 | |
77ebaa5a VP |
731 | if (non_stop && all_threads) |
732 | { | |
733 | /* Don't error out if the current thread is running, because | |
abbb1732 | 734 | there may be other stopped threads. */ |
77ebaa5a VP |
735 | struct cleanup *old_chain; |
736 | ||
737 | /* Backup current thread and selected frame. */ | |
738 | old_chain = make_cleanup_restore_current_thread (); | |
739 | ||
740 | iterate_over_threads (proceed_thread_callback, NULL); | |
741 | ||
742 | /* Restore selected ptid. */ | |
743 | do_cleanups (old_chain); | |
744 | } | |
745 | else | |
746 | { | |
d729566a | 747 | ensure_valid_thread (); |
77ebaa5a VP |
748 | ensure_not_running (); |
749 | clear_proceed_status (); | |
a493e3e2 | 750 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
77ebaa5a VP |
751 | } |
752 | } | |
753 | ||
8cae4b3f | 754 | /* continue [-a] [proceed-count] [&] */ |
6339bfc4 | 755 | |
1dd5fedc | 756 | static void |
8cae4b3f | 757 | continue_command (char *args, int from_tty) |
c906108c | 758 | { |
c5aa993b | 759 | int async_exec = 0; |
8cae4b3f | 760 | int all_threads = 0; |
c906108c SS |
761 | ERROR_NO_INFERIOR; |
762 | ||
1777feb0 | 763 | /* Find out whether we must run in the background. */ |
8cae4b3f PA |
764 | if (args != NULL) |
765 | async_exec = strip_bg_char (&args); | |
43ff13b4 | 766 | |
8bc2fe48 | 767 | prepare_execution_command (¤t_target, async_exec); |
c906108c | 768 | |
8cae4b3f PA |
769 | if (args != NULL) |
770 | { | |
771 | if (strncmp (args, "-a", sizeof ("-a") - 1) == 0) | |
772 | { | |
773 | all_threads = 1; | |
774 | args += sizeof ("-a") - 1; | |
775 | if (*args == '\0') | |
776 | args = NULL; | |
777 | } | |
778 | } | |
779 | ||
780 | if (!non_stop && all_threads) | |
781 | error (_("`-a' is meaningless in all-stop mode.")); | |
782 | ||
783 | if (args != NULL && all_threads) | |
3e43a32a MS |
784 | error (_("Can't resume all threads and specify " |
785 | "proceed count simultaneously.")); | |
8cae4b3f PA |
786 | |
787 | /* If we have an argument left, set proceed count of breakpoint we | |
788 | stopped at. */ | |
789 | if (args != NULL) | |
c906108c | 790 | { |
347bddb7 | 791 | bpstat bs = NULL; |
8671a17b PA |
792 | int num, stat; |
793 | int stopped = 0; | |
347bddb7 PA |
794 | struct thread_info *tp; |
795 | ||
796 | if (non_stop) | |
e09875d4 | 797 | tp = find_thread_ptid (inferior_ptid); |
347bddb7 PA |
798 | else |
799 | { | |
800 | ptid_t last_ptid; | |
801 | struct target_waitstatus ws; | |
802 | ||
803 | get_last_target_status (&last_ptid, &ws); | |
e09875d4 | 804 | tp = find_thread_ptid (last_ptid); |
347bddb7 PA |
805 | } |
806 | if (tp != NULL) | |
16c381f0 | 807 | bs = tp->control.stop_bpstat; |
8671a17b PA |
808 | |
809 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
810 | if (stat > 0) | |
811 | { | |
812 | set_ignore_count (num, | |
8cae4b3f | 813 | parse_and_eval_long (args) - 1, |
8671a17b PA |
814 | from_tty); |
815 | /* set_ignore_count prints a message ending with a period. | |
816 | So print two spaces before "Continuing.". */ | |
817 | if (from_tty) | |
818 | printf_filtered (" "); | |
819 | stopped = 1; | |
820 | } | |
821 | ||
822 | if (!stopped && from_tty) | |
c906108c SS |
823 | { |
824 | printf_filtered | |
825 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
826 | } | |
c906108c SS |
827 | } |
828 | ||
829 | if (from_tty) | |
a3f17187 | 830 | printf_filtered (_("Continuing.\n")); |
c906108c | 831 | |
77ebaa5a | 832 | continue_1 (all_threads); |
c906108c SS |
833 | } |
834 | \f | |
edb3359d DJ |
835 | /* Record the starting point of a "step" or "next" command. */ |
836 | ||
837 | static void | |
838 | set_step_frame (void) | |
839 | { | |
840 | struct symtab_and_line sal; | |
841 | ||
842 | find_frame_sal (get_current_frame (), &sal); | |
843 | set_step_info (get_current_frame (), sal); | |
844 | } | |
845 | ||
c906108c SS |
846 | /* Step until outside of current statement. */ |
847 | ||
c906108c | 848 | static void |
fba45db2 | 849 | step_command (char *count_string, int from_tty) |
c906108c SS |
850 | { |
851 | step_1 (0, 0, count_string); | |
852 | } | |
853 | ||
854 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
855 | ||
c906108c | 856 | static void |
fba45db2 | 857 | next_command (char *count_string, int from_tty) |
c906108c SS |
858 | { |
859 | step_1 (1, 0, count_string); | |
860 | } | |
861 | ||
862 | /* Likewise, but step only one instruction. */ | |
863 | ||
1dd5fedc | 864 | static void |
fba45db2 | 865 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
866 | { |
867 | step_1 (0, 1, count_string); | |
868 | } | |
869 | ||
1dd5fedc | 870 | static void |
fba45db2 | 871 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
872 | { |
873 | step_1 (1, 1, count_string); | |
874 | } | |
875 | ||
186c406b | 876 | void |
611c83ae | 877 | delete_longjmp_breakpoint_cleanup (void *arg) |
74b7792f | 878 | { |
611c83ae PA |
879 | int thread = * (int *) arg; |
880 | delete_longjmp_breakpoint (thread); | |
74b7792f AC |
881 | } |
882 | ||
c906108c | 883 | static void |
fba45db2 | 884 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 885 | { |
52f0bd74 | 886 | int count = 1; |
f107f563 | 887 | struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); |
43ff13b4 | 888 | int async_exec = 0; |
b3dc826b | 889 | int thread = -1; |
c5aa993b | 890 | |
c906108c | 891 | ERROR_NO_INFERIOR; |
573cda03 | 892 | ensure_not_tfind_mode (); |
d729566a | 893 | ensure_valid_thread (); |
94cc34af | 894 | ensure_not_running (); |
43ff13b4 JM |
895 | |
896 | if (count_string) | |
897 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 898 | |
8bc2fe48 | 899 | prepare_execution_command (¤t_target, async_exec); |
43ff13b4 | 900 | |
bb518678 | 901 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 902 | |
1777feb0 | 903 | if (!single_inst || skip_subroutines) /* Leave si command alone. */ |
c906108c | 904 | { |
186c406b TT |
905 | struct thread_info *tp = inferior_thread (); |
906 | ||
611c83ae | 907 | if (in_thread_list (inferior_ptid)) |
b3dc826b | 908 | thread = pid_to_thread_id (inferior_ptid); |
611c83ae | 909 | |
186c406b | 910 | set_longjmp_breakpoint (tp, get_frame_id (get_current_frame ())); |
611c83ae | 911 | |
b3dc826b | 912 | make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); |
c2d11a7d JM |
913 | } |
914 | ||
37d94800 | 915 | /* In synchronous case, all is well; each step_once call will step once. */ |
362646f5 | 916 | if (!target_can_async_p ()) |
c2d11a7d JM |
917 | { |
918 | for (; count > 0; count--) | |
919 | { | |
37d94800 | 920 | step_once (skip_subroutines, single_inst, count, thread); |
c2d11a7d | 921 | |
751b8ce1 PA |
922 | if (!target_has_execution) |
923 | break; | |
c2d11a7d JM |
924 | else |
925 | { | |
751b8ce1 PA |
926 | struct thread_info *tp = inferior_thread (); |
927 | ||
928 | if (!tp->control.stop_step || !tp->step_multi) | |
929 | { | |
930 | /* If we stopped for some reason that is not stepping | |
931 | there are no further steps to make. */ | |
932 | tp->step_multi = 0; | |
933 | break; | |
934 | } | |
c2d11a7d | 935 | } |
c2d11a7d JM |
936 | } |
937 | ||
f107f563 | 938 | do_cleanups (cleanups); |
c2d11a7d | 939 | } |
c2d11a7d JM |
940 | else |
941 | { | |
37d94800 PA |
942 | /* In the case of an asynchronous target things get complicated; |
943 | do only one step for now, before returning control to the | |
944 | event loop. Let the continuation figure out how many other | |
945 | steps we need to do, and handle them one at the time, through | |
946 | step_once. */ | |
b3dc826b | 947 | step_once (skip_subroutines, single_inst, count, thread); |
37d94800 | 948 | |
611c83ae | 949 | /* We are running, and the continuation is installed. It will |
f107f563 VP |
950 | disable the longjmp breakpoint as appropriate. */ |
951 | discard_cleanups (cleanups); | |
c906108c | 952 | } |
c2d11a7d | 953 | } |
c906108c | 954 | |
bfec99b2 PA |
955 | struct step_1_continuation_args |
956 | { | |
957 | int count; | |
958 | int skip_subroutines; | |
959 | int single_inst; | |
960 | int thread; | |
961 | }; | |
962 | ||
c2d11a7d JM |
963 | /* Called after we are done with one step operation, to check whether |
964 | we need to step again, before we print the prompt and return control | |
1777feb0 MS |
965 | to the user. If count is > 1, we will need to do one more call to |
966 | proceed(), via step_once(). Basically it is like step_once and | |
967 | step_1_continuation are co-recursive. */ | |
6339bfc4 | 968 | |
c2d11a7d | 969 | static void |
fa4cd53f | 970 | step_1_continuation (void *args, int err) |
c2d11a7d | 971 | { |
bfec99b2 | 972 | struct step_1_continuation_args *a = args; |
f13468d9 | 973 | |
af679fd0 | 974 | if (target_has_execution) |
f13468d9 | 975 | { |
af679fd0 PA |
976 | struct thread_info *tp; |
977 | ||
978 | tp = inferior_thread (); | |
fa4cd53f PA |
979 | if (!err |
980 | && tp->step_multi && tp->control.stop_step) | |
af679fd0 PA |
981 | { |
982 | /* There are more steps to make, and we did stop due to | |
983 | ending a stepping range. Do another step. */ | |
37d94800 PA |
984 | step_once (a->skip_subroutines, a->single_inst, |
985 | a->count - 1, a->thread); | |
af679fd0 PA |
986 | return; |
987 | } | |
988 | tp->step_multi = 0; | |
f107f563 | 989 | } |
af679fd0 | 990 | |
fa4cd53f PA |
991 | /* We either hit an error, or stopped for some reason that is |
992 | not stepping, or there are no further steps to make. | |
993 | Cleanup. */ | |
af679fd0 PA |
994 | if (!a->single_inst || a->skip_subroutines) |
995 | delete_longjmp_breakpoint (a->thread); | |
c2d11a7d JM |
996 | } |
997 | ||
37d94800 PA |
998 | /* Do just one step operation. This is useful to implement the 'step |
999 | n' kind of commands. In case of asynchronous targets, we will have | |
1000 | to set up a continuation to be done after the target stops (after | |
1001 | this one step). For synch targets, the caller handles further | |
1002 | stepping. */ | |
1003 | ||
1004 | static void | |
611c83ae | 1005 | step_once (int skip_subroutines, int single_inst, int count, int thread) |
bfec99b2 | 1006 | { |
edb3359d | 1007 | struct frame_info *frame = get_current_frame (); |
c2d11a7d JM |
1008 | |
1009 | if (count > 0) | |
c906108c | 1010 | { |
4e1c45ea PA |
1011 | /* Don't assume THREAD is a valid thread id. It is set to -1 if |
1012 | the longjmp breakpoint was not required. Use the | |
1013 | INFERIOR_PTID thread instead, which is the same thread when | |
1014 | THREAD is set. */ | |
1015 | struct thread_info *tp = inferior_thread (); | |
abbb1732 | 1016 | |
c906108c | 1017 | clear_proceed_status (); |
edb3359d | 1018 | set_step_frame (); |
c906108c | 1019 | |
c5aa993b | 1020 | if (!single_inst) |
c906108c | 1021 | { |
1641cfcc PA |
1022 | CORE_ADDR pc; |
1023 | ||
edb3359d | 1024 | /* Step at an inlined function behaves like "down". */ |
3f01d0d0 | 1025 | if (!skip_subroutines |
edb3359d DJ |
1026 | && inline_skipped_frames (inferior_ptid)) |
1027 | { | |
09cee04b PA |
1028 | ptid_t resume_ptid; |
1029 | ||
1030 | /* Pretend that we've ran. */ | |
1031 | resume_ptid = user_visible_resume_ptid (1); | |
1032 | set_running (resume_ptid, 1); | |
1033 | ||
edb3359d DJ |
1034 | step_into_inline_frame (inferior_ptid); |
1035 | if (count > 1) | |
1036 | step_once (skip_subroutines, single_inst, count - 1, thread); | |
1037 | else | |
09cee04b PA |
1038 | { |
1039 | /* Pretend that we've stopped. */ | |
1040 | normal_stop (); | |
1041 | ||
1042 | if (target_can_async_p ()) | |
1043 | inferior_event_handler (INF_EXEC_COMPLETE, NULL); | |
1044 | } | |
edb3359d DJ |
1045 | return; |
1046 | } | |
1047 | ||
1641cfcc PA |
1048 | pc = get_frame_pc (frame); |
1049 | find_pc_line_pc_range (pc, | |
16c381f0 JK |
1050 | &tp->control.step_range_start, |
1051 | &tp->control.step_range_end); | |
5fbbeb29 | 1052 | |
c1e36e3e PA |
1053 | tp->control.may_range_step = 1; |
1054 | ||
5fbbeb29 | 1055 | /* If we have no line info, switch to stepi mode. */ |
16c381f0 | 1056 | if (tp->control.step_range_end == 0 && step_stop_if_no_debug) |
c1e36e3e PA |
1057 | { |
1058 | tp->control.step_range_start = tp->control.step_range_end = 1; | |
1059 | tp->control.may_range_step = 0; | |
1060 | } | |
16c381f0 | 1061 | else if (tp->control.step_range_end == 0) |
c906108c | 1062 | { |
2c02bd72 | 1063 | const char *name; |
abbb1732 | 1064 | |
1641cfcc | 1065 | if (find_pc_partial_function (pc, &name, |
16c381f0 JK |
1066 | &tp->control.step_range_start, |
1067 | &tp->control.step_range_end) == 0) | |
8a3fe4f8 | 1068 | error (_("Cannot find bounds of current function")); |
c906108c SS |
1069 | |
1070 | target_terminal_ours (); | |
3e43a32a MS |
1071 | printf_filtered (_("Single stepping until exit from function %s," |
1072 | "\nwhich has no line number information.\n"), | |
1073 | name); | |
c906108c SS |
1074 | } |
1075 | } | |
1076 | else | |
1077 | { | |
1078 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
16c381f0 | 1079 | tp->control.step_range_start = tp->control.step_range_end = 1; |
c906108c SS |
1080 | if (!skip_subroutines) |
1081 | /* It is stepi. | |
1082 | Don't step over function calls, not even to functions lacking | |
1083 | line numbers. */ | |
16c381f0 | 1084 | tp->control.step_over_calls = STEP_OVER_NONE; |
c906108c SS |
1085 | } |
1086 | ||
1087 | if (skip_subroutines) | |
16c381f0 | 1088 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1089 | |
95e54da7 | 1090 | tp->step_multi = (count > 1); |
a493e3e2 | 1091 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1); |
bfec99b2 | 1092 | |
37d94800 PA |
1093 | /* For async targets, register a continuation to do any |
1094 | additional steps. For sync targets, the caller will handle | |
1095 | further stepping. */ | |
1096 | if (target_can_async_p ()) | |
1097 | { | |
1098 | struct step_1_continuation_args *args; | |
1099 | ||
1100 | args = xmalloc (sizeof (*args)); | |
1101 | args->skip_subroutines = skip_subroutines; | |
1102 | args->single_inst = single_inst; | |
1103 | args->count = count; | |
1104 | args->thread = thread; | |
1105 | ||
1106 | add_intermediate_continuation (tp, step_1_continuation, args, xfree); | |
1107 | } | |
c906108c | 1108 | } |
c906108c | 1109 | } |
c2d11a7d | 1110 | |
c906108c SS |
1111 | \f |
1112 | /* Continue program at specified address. */ | |
1113 | ||
1114 | static void | |
fba45db2 | 1115 | jump_command (char *arg, int from_tty) |
c906108c | 1116 | { |
5af949e3 | 1117 | struct gdbarch *gdbarch = get_current_arch (); |
52f0bd74 | 1118 | CORE_ADDR addr; |
c906108c SS |
1119 | struct symtabs_and_lines sals; |
1120 | struct symtab_and_line sal; | |
1121 | struct symbol *fn; | |
1122 | struct symbol *sfn; | |
43ff13b4 | 1123 | int async_exec = 0; |
c5aa993b | 1124 | |
c906108c | 1125 | ERROR_NO_INFERIOR; |
573cda03 | 1126 | ensure_not_tfind_mode (); |
d729566a | 1127 | ensure_valid_thread (); |
94cc34af | 1128 | ensure_not_running (); |
c906108c | 1129 | |
1777feb0 | 1130 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1131 | if (arg != NULL) |
1132 | async_exec = strip_bg_char (&arg); | |
1133 | ||
8bc2fe48 | 1134 | prepare_execution_command (¤t_target, async_exec); |
43ff13b4 | 1135 | |
c906108c | 1136 | if (!arg) |
e2e0b3e5 | 1137 | error_no_arg (_("starting address")); |
c906108c | 1138 | |
39cf75f7 | 1139 | sals = decode_line_with_last_displayed (arg, DECODE_LINE_FUNFIRSTLINE); |
c906108c SS |
1140 | if (sals.nelts != 1) |
1141 | { | |
8a3fe4f8 | 1142 | error (_("Unreasonable jump request")); |
c906108c SS |
1143 | } |
1144 | ||
1145 | sal = sals.sals[0]; | |
b8c9b27d | 1146 | xfree (sals.sals); |
c906108c SS |
1147 | |
1148 | if (sal.symtab == 0 && sal.pc == 0) | |
8a3fe4f8 | 1149 | error (_("No source file has been specified.")); |
c906108c | 1150 | |
1777feb0 | 1151 | resolve_sal_pc (&sal); /* May error out. */ |
c906108c | 1152 | |
1777feb0 | 1153 | /* See if we are trying to jump to another function. */ |
c906108c SS |
1154 | fn = get_frame_function (get_current_frame ()); |
1155 | sfn = find_pc_function (sal.pc); | |
1156 | if (fn != NULL && sfn != fn) | |
1157 | { | |
9e2f0ad4 | 1158 | if (!query (_("Line %d is not in `%s'. Jump anyway? "), sal.line, |
de5ad195 | 1159 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 1160 | { |
8a3fe4f8 | 1161 | error (_("Not confirmed.")); |
c906108c SS |
1162 | /* NOTREACHED */ |
1163 | } | |
1164 | } | |
1165 | ||
c5aa993b | 1166 | if (sfn != NULL) |
c906108c SS |
1167 | { |
1168 | fixup_symbol_section (sfn, 0); | |
e27d198c TT |
1169 | if (section_is_overlay (SYMBOL_OBJ_SECTION (SYMBOL_OBJFILE (sfn), sfn)) && |
1170 | !section_is_mapped (SYMBOL_OBJ_SECTION (SYMBOL_OBJFILE (sfn), sfn))) | |
c906108c | 1171 | { |
3e43a32a MS |
1172 | if (!query (_("WARNING!!! Destination is in " |
1173 | "unmapped overlay! Jump anyway? "))) | |
c906108c | 1174 | { |
8a3fe4f8 | 1175 | error (_("Not confirmed.")); |
c906108c SS |
1176 | /* NOTREACHED */ |
1177 | } | |
1178 | } | |
1179 | } | |
1180 | ||
c906108c SS |
1181 | addr = sal.pc; |
1182 | ||
1183 | if (from_tty) | |
1184 | { | |
a3f17187 | 1185 | printf_filtered (_("Continuing at ")); |
5af949e3 | 1186 | fputs_filtered (paddress (gdbarch, addr), gdb_stdout); |
c906108c SS |
1187 | printf_filtered (".\n"); |
1188 | } | |
1189 | ||
1190 | clear_proceed_status (); | |
a493e3e2 | 1191 | proceed (addr, GDB_SIGNAL_0, 0); |
c906108c | 1192 | } |
c906108c | 1193 | \f |
c5aa993b | 1194 | |
1777feb0 | 1195 | /* Go to line or address in current procedure. */ |
6339bfc4 | 1196 | |
c906108c | 1197 | static void |
fba45db2 | 1198 | go_command (char *line_no, int from_tty) |
c906108c | 1199 | { |
c5aa993b | 1200 | if (line_no == (char *) NULL || !*line_no) |
f42429a6 | 1201 | printf_filtered (_("Usage: go <location>\n")); |
c906108c SS |
1202 | else |
1203 | { | |
b83266a0 SS |
1204 | tbreak_command (line_no, from_tty); |
1205 | jump_command (line_no, from_tty); | |
c906108c SS |
1206 | } |
1207 | } | |
c906108c | 1208 | \f |
c5aa993b | 1209 | |
c906108c SS |
1210 | /* Continue program giving it specified signal. */ |
1211 | ||
1212 | static void | |
fba45db2 | 1213 | signal_command (char *signum_exp, int from_tty) |
c906108c | 1214 | { |
2ea28649 | 1215 | enum gdb_signal oursig; |
32c1e744 | 1216 | int async_exec = 0; |
c906108c SS |
1217 | |
1218 | dont_repeat (); /* Too dangerous. */ | |
1219 | ERROR_NO_INFERIOR; | |
573cda03 | 1220 | ensure_not_tfind_mode (); |
d729566a | 1221 | ensure_valid_thread (); |
94cc34af | 1222 | ensure_not_running (); |
c906108c | 1223 | |
32c1e744 VP |
1224 | /* Find out whether we must run in the background. */ |
1225 | if (signum_exp != NULL) | |
1226 | async_exec = strip_bg_char (&signum_exp); | |
1227 | ||
8bc2fe48 | 1228 | prepare_execution_command (¤t_target, async_exec); |
32c1e744 | 1229 | |
c906108c | 1230 | if (!signum_exp) |
e2e0b3e5 | 1231 | error_no_arg (_("signal number")); |
c906108c SS |
1232 | |
1233 | /* It would be even slicker to make signal names be valid expressions, | |
1234 | (the type could be "enum $signal" or some such), then the user could | |
1235 | assign them to convenience variables. */ | |
2ea28649 | 1236 | oursig = gdb_signal_from_name (signum_exp); |
c906108c | 1237 | |
a493e3e2 | 1238 | if (oursig == GDB_SIGNAL_UNKNOWN) |
c906108c SS |
1239 | { |
1240 | /* No, try numeric. */ | |
bb518678 | 1241 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1242 | |
1243 | if (num == 0) | |
a493e3e2 | 1244 | oursig = GDB_SIGNAL_0; |
c906108c | 1245 | else |
2ea28649 | 1246 | oursig = gdb_signal_from_command (num); |
c906108c SS |
1247 | } |
1248 | ||
1249 | if (from_tty) | |
1250 | { | |
a493e3e2 | 1251 | if (oursig == GDB_SIGNAL_0) |
a3f17187 | 1252 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1253 | else |
a3f17187 | 1254 | printf_filtered (_("Continuing with signal %s.\n"), |
2ea28649 | 1255 | gdb_signal_to_name (oursig)); |
c906108c SS |
1256 | } |
1257 | ||
1258 | clear_proceed_status (); | |
a12cc160 | 1259 | proceed ((CORE_ADDR) -1, oursig, 0); |
c906108c SS |
1260 | } |
1261 | ||
fa4cd53f PA |
1262 | /* Continuation args to be passed to the "until" command |
1263 | continuation. */ | |
1264 | struct until_next_continuation_args | |
1265 | { | |
1266 | /* The thread that was current when the command was executed. */ | |
1267 | int thread; | |
1268 | }; | |
1269 | ||
186c406b TT |
1270 | /* A continuation callback for until_next_command. */ |
1271 | ||
1272 | static void | |
fa4cd53f | 1273 | until_next_continuation (void *arg, int err) |
186c406b | 1274 | { |
fa4cd53f | 1275 | struct until_next_continuation_args *a = arg; |
186c406b | 1276 | |
fa4cd53f | 1277 | delete_longjmp_breakpoint (a->thread); |
186c406b TT |
1278 | } |
1279 | ||
c906108c SS |
1280 | /* Proceed until we reach a different source line with pc greater than |
1281 | our current one or exit the function. We skip calls in both cases. | |
1282 | ||
1283 | Note that eventually this command should probably be changed so | |
1284 | that only source lines are printed out when we hit the breakpoint | |
1285 | we set. This may involve changes to wait_for_inferior and the | |
1286 | proceed status code. */ | |
1287 | ||
c906108c | 1288 | static void |
fba45db2 | 1289 | until_next_command (int from_tty) |
c906108c SS |
1290 | { |
1291 | struct frame_info *frame; | |
1292 | CORE_ADDR pc; | |
1293 | struct symbol *func; | |
1294 | struct symtab_and_line sal; | |
4e1c45ea | 1295 | struct thread_info *tp = inferior_thread (); |
186c406b TT |
1296 | int thread = tp->num; |
1297 | struct cleanup *old_chain; | |
c5aa993b | 1298 | |
c906108c | 1299 | clear_proceed_status (); |
edb3359d | 1300 | set_step_frame (); |
c906108c SS |
1301 | |
1302 | frame = get_current_frame (); | |
1303 | ||
1304 | /* Step until either exited from this function or greater | |
1305 | than the current line (if in symbolic section) or pc (if | |
1777feb0 | 1306 | not). */ |
c906108c | 1307 | |
1c7819ef | 1308 | pc = get_frame_pc (frame); |
c906108c | 1309 | func = find_pc_function (pc); |
c5aa993b | 1310 | |
c906108c SS |
1311 | if (!func) |
1312 | { | |
7cbd4a93 | 1313 | struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (pc); |
c5aa993b | 1314 | |
7cbd4a93 | 1315 | if (msymbol.minsym == NULL) |
8a3fe4f8 | 1316 | error (_("Execution is not within a known function.")); |
c5aa993b | 1317 | |
77e371c0 | 1318 | tp->control.step_range_start = BMSYMBOL_VALUE_ADDRESS (msymbol); |
16c381f0 | 1319 | tp->control.step_range_end = pc; |
c906108c SS |
1320 | } |
1321 | else | |
1322 | { | |
1323 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1324 | |
16c381f0 JK |
1325 | tp->control.step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1326 | tp->control.step_range_end = sal.end; | |
c906108c | 1327 | } |
c1e36e3e | 1328 | tp->control.may_range_step = 1; |
c5aa993b | 1329 | |
16c381f0 | 1330 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1331 | |
af679fd0 | 1332 | tp->step_multi = 0; /* Only one call to proceed */ |
c5aa993b | 1333 | |
186c406b TT |
1334 | set_longjmp_breakpoint (tp, get_frame_id (frame)); |
1335 | old_chain = make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); | |
1336 | ||
a493e3e2 | 1337 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1); |
186c406b TT |
1338 | |
1339 | if (target_can_async_p () && is_running (inferior_ptid)) | |
1340 | { | |
fa4cd53f PA |
1341 | struct until_next_continuation_args *cont_args; |
1342 | ||
186c406b | 1343 | discard_cleanups (old_chain); |
fa4cd53f PA |
1344 | cont_args = XNEW (struct until_next_continuation_args); |
1345 | cont_args->thread = inferior_thread ()->num; | |
1346 | ||
1347 | add_continuation (tp, until_next_continuation, cont_args, xfree); | |
186c406b TT |
1348 | } |
1349 | else | |
1350 | do_cleanups (old_chain); | |
c906108c SS |
1351 | } |
1352 | ||
c5aa993b | 1353 | static void |
fba45db2 | 1354 | until_command (char *arg, int from_tty) |
c906108c | 1355 | { |
43ff13b4 JM |
1356 | int async_exec = 0; |
1357 | ||
4247603b | 1358 | ERROR_NO_INFERIOR; |
573cda03 | 1359 | ensure_not_tfind_mode (); |
4247603b PA |
1360 | ensure_valid_thread (); |
1361 | ensure_not_running (); | |
573cda03 | 1362 | |
1777feb0 | 1363 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1364 | if (arg != NULL) |
1365 | async_exec = strip_bg_char (&arg); | |
1366 | ||
8bc2fe48 | 1367 | prepare_execution_command (¤t_target, async_exec); |
43ff13b4 | 1368 | |
c906108c | 1369 | if (arg) |
ae66c1fc | 1370 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1371 | else |
1372 | until_next_command (from_tty); | |
1373 | } | |
ae66c1fc EZ |
1374 | |
1375 | static void | |
1376 | advance_command (char *arg, int from_tty) | |
1377 | { | |
1378 | int async_exec = 0; | |
1379 | ||
4247603b | 1380 | ERROR_NO_INFERIOR; |
573cda03 | 1381 | ensure_not_tfind_mode (); |
4247603b PA |
1382 | ensure_valid_thread (); |
1383 | ensure_not_running (); | |
573cda03 | 1384 | |
ae66c1fc | 1385 | if (arg == NULL) |
e2e0b3e5 | 1386 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1387 | |
1388 | /* Find out whether we must run in the background. */ | |
1389 | if (arg != NULL) | |
1390 | async_exec = strip_bg_char (&arg); | |
1391 | ||
8bc2fe48 | 1392 | prepare_execution_command (¤t_target, async_exec); |
ae66c1fc EZ |
1393 | |
1394 | until_break_command (arg, from_tty, 1); | |
1395 | } | |
c906108c | 1396 | \f |
cc72b2a2 KP |
1397 | /* Return the value of the result of a function at the end of a 'finish' |
1398 | command/BP. */ | |
f941662f | 1399 | |
cc72b2a2 | 1400 | struct value * |
6a3a010b | 1401 | get_return_value (struct value *function, struct type *value_type) |
11cf8741 | 1402 | { |
cc72b2a2 KP |
1403 | struct regcache *stop_regs = stop_registers; |
1404 | struct gdbarch *gdbarch; | |
44e5158b | 1405 | struct value *value; |
cc72b2a2 KP |
1406 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); |
1407 | ||
1408 | /* If stop_registers were not saved, use the current registers. */ | |
1409 | if (!stop_regs) | |
1410 | { | |
1411 | stop_regs = regcache_dup (get_current_regcache ()); | |
faab9922 | 1412 | make_cleanup_regcache_xfree (stop_regs); |
cc72b2a2 KP |
1413 | } |
1414 | ||
1415 | gdbarch = get_regcache_arch (stop_regs); | |
44e5158b | 1416 | |
181fc57c | 1417 | CHECK_TYPEDEF (value_type); |
44e5158b | 1418 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1419 | |
92ad9cd9 AC |
1420 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1421 | call, it's possible (with no help from the architecture vector) | |
1422 | to locate and return/print a "struct return" value. This is just | |
7a9dd1b2 | 1423 | a more complicated case of what is already being done in the |
92ad9cd9 AC |
1424 | inferior function call code. In fact, when inferior function |
1425 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1426 | |
6a3a010b | 1427 | switch (gdbarch_return_value (gdbarch, function, value_type, |
c055b101 | 1428 | NULL, NULL, NULL)) |
44e5158b | 1429 | { |
750eb019 AC |
1430 | case RETURN_VALUE_REGISTER_CONVENTION: |
1431 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1432 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1433 | value = allocate_value (value_type); |
6a3a010b | 1434 | gdbarch_return_value (gdbarch, function, value_type, stop_regs, |
990a07ab | 1435 | value_contents_raw (value), NULL); |
750eb019 AC |
1436 | break; |
1437 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1438 | value = NULL; | |
1439 | break; | |
1440 | default: | |
e2e0b3e5 | 1441 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1442 | } |
bb472c1e | 1443 | |
cc72b2a2 KP |
1444 | do_cleanups (cleanup); |
1445 | ||
1446 | return value; | |
1447 | } | |
1448 | ||
1449 | /* Print the result of a function at the end of a 'finish' command. */ | |
1450 | ||
1451 | static void | |
6a3a010b | 1452 | print_return_value (struct value *function, struct type *value_type) |
cc72b2a2 | 1453 | { |
6a3a010b | 1454 | struct value *value = get_return_value (function, value_type); |
cc72b2a2 KP |
1455 | struct ui_out *uiout = current_uiout; |
1456 | ||
31db7b6c MK |
1457 | if (value) |
1458 | { | |
79a45b7d | 1459 | struct value_print_options opts; |
f99d8bf4 PA |
1460 | struct ui_file *stb; |
1461 | struct cleanup *old_chain; | |
79a45b7d | 1462 | |
31db7b6c | 1463 | /* Print it. */ |
f99d8bf4 PA |
1464 | stb = mem_fileopen (); |
1465 | old_chain = make_cleanup_ui_file_delete (stb); | |
31db7b6c MK |
1466 | ui_out_text (uiout, "Value returned is "); |
1467 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", | |
1468 | record_latest_value (value)); | |
1469 | ui_out_text (uiout, " = "); | |
2a998fc0 | 1470 | get_no_prettyformat_print_options (&opts); |
f99d8bf4 | 1471 | value_print (value, stb, &opts); |
31db7b6c MK |
1472 | ui_out_field_stream (uiout, "return-value", stb); |
1473 | ui_out_text (uiout, "\n"); | |
1d751abe | 1474 | do_cleanups (old_chain); |
31db7b6c MK |
1475 | } |
1476 | else | |
1477 | { | |
1478 | ui_out_text (uiout, "Value returned has type: "); | |
1d751abe PA |
1479 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); |
1480 | ui_out_text (uiout, "."); | |
1481 | ui_out_text (uiout, " Cannot determine contents\n"); | |
31db7b6c | 1482 | } |
11cf8741 JM |
1483 | } |
1484 | ||
43ff13b4 | 1485 | /* Stuff that needs to be done by the finish command after the target |
f941662f MK |
1486 | has stopped. In asynchronous mode, we wait for the target to stop |
1487 | in the call to poll or select in the event loop, so it is | |
1488 | impossible to do all the stuff as part of the finish_command | |
1489 | function itself. The only chance we have to complete this command | |
1490 | is in fetch_inferior_event, which is called by the event loop as | |
fa4cd53f | 1491 | soon as it detects that the target has stopped. */ |
f941662f | 1492 | |
bfec99b2 | 1493 | struct finish_command_continuation_args |
43ff13b4 | 1494 | { |
fa4cd53f PA |
1495 | /* The thread that as current when the command was executed. */ |
1496 | int thread; | |
43ff13b4 | 1497 | struct breakpoint *breakpoint; |
bfec99b2 PA |
1498 | struct symbol *function; |
1499 | }; | |
c5aa993b | 1500 | |
bfec99b2 | 1501 | static void |
fa4cd53f | 1502 | finish_command_continuation (void *arg, int err) |
bfec99b2 PA |
1503 | { |
1504 | struct finish_command_continuation_args *a = arg; | |
347bddb7 | 1505 | |
fa4cd53f | 1506 | if (!err) |
43ff13b4 | 1507 | { |
fa4cd53f PA |
1508 | struct thread_info *tp = NULL; |
1509 | bpstat bs = NULL; | |
bfec99b2 | 1510 | |
fa4cd53f PA |
1511 | if (!ptid_equal (inferior_ptid, null_ptid) |
1512 | && target_has_execution | |
1513 | && is_stopped (inferior_ptid)) | |
1514 | { | |
1515 | tp = inferior_thread (); | |
1516 | bs = tp->control.stop_bpstat; | |
1517 | } | |
f5871ec0 | 1518 | |
fa4cd53f PA |
1519 | if (bpstat_find_breakpoint (bs, a->breakpoint) != NULL |
1520 | && a->function != NULL) | |
40c549d6 | 1521 | { |
fa4cd53f PA |
1522 | struct type *value_type; |
1523 | ||
1524 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (a->function)); | |
1525 | if (!value_type) | |
1526 | internal_error (__FILE__, __LINE__, | |
1527 | _("finish_command: function has no target type")); | |
40c549d6 | 1528 | |
fa4cd53f | 1529 | if (TYPE_CODE (value_type) != TYPE_CODE_VOID) |
40c549d6 | 1530 | { |
fa4cd53f | 1531 | volatile struct gdb_exception ex; |
6a3a010b | 1532 | struct value *func; |
fa4cd53f | 1533 | |
6a3a010b | 1534 | func = read_var_value (a->function, get_current_frame ()); |
fa4cd53f PA |
1535 | TRY_CATCH (ex, RETURN_MASK_ALL) |
1536 | { | |
1537 | /* print_return_value can throw an exception in some | |
1538 | circumstances. We need to catch this so that we still | |
1539 | delete the breakpoint. */ | |
6a3a010b | 1540 | print_return_value (func, value_type); |
fa4cd53f PA |
1541 | } |
1542 | if (ex.reason < 0) | |
1543 | exception_print (gdb_stdout, ex); | |
40c549d6 | 1544 | } |
40c549d6 | 1545 | } |
fa4cd53f PA |
1546 | |
1547 | /* We suppress normal call of normal_stop observer and do it | |
1548 | here so that the *stopped notification includes the return | |
1549 | value. */ | |
1550 | if (bs != NULL && tp->control.proceed_to_finish) | |
1551 | observer_notify_normal_stop (bs, 1 /* print frame */); | |
43ff13b4 | 1552 | } |
f941662f | 1553 | |
bfec99b2 | 1554 | delete_breakpoint (a->breakpoint); |
fa4cd53f | 1555 | delete_longjmp_breakpoint (a->thread); |
43ff13b4 JM |
1556 | } |
1557 | ||
604ead4a PA |
1558 | static void |
1559 | finish_command_continuation_free_arg (void *arg) | |
1560 | { | |
604ead4a PA |
1561 | xfree (arg); |
1562 | } | |
1563 | ||
b2175913 MS |
1564 | /* finish_backward -- helper function for finish_command. */ |
1565 | ||
1566 | static void | |
1567 | finish_backward (struct symbol *function) | |
1568 | { | |
1569 | struct symtab_and_line sal; | |
1570 | struct thread_info *tp = inferior_thread (); | |
1c7819ef | 1571 | CORE_ADDR pc; |
b2175913 | 1572 | CORE_ADDR func_addr; |
b2175913 | 1573 | |
1c7819ef PA |
1574 | pc = get_frame_pc (get_current_frame ()); |
1575 | ||
1576 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL) == 0) | |
b2175913 MS |
1577 | internal_error (__FILE__, __LINE__, |
1578 | _("Finish: couldn't find function.")); | |
1579 | ||
1580 | sal = find_pc_line (func_addr, 0); | |
1581 | ||
9da8c2a0 | 1582 | tp->control.proceed_to_finish = 1; |
b2175913 MS |
1583 | /* Special case: if we're sitting at the function entry point, |
1584 | then all we need to do is take a reverse singlestep. We | |
1585 | don't need to set a breakpoint, and indeed it would do us | |
1586 | no good to do so. | |
1587 | ||
1588 | Note that this can only happen at frame #0, since there's | |
1589 | no way that a function up the stack can have a return address | |
1590 | that's equal to its entry point. */ | |
1591 | ||
1c7819ef | 1592 | if (sal.pc != pc) |
b2175913 | 1593 | { |
a6d9a66e UW |
1594 | struct frame_info *frame = get_selected_frame (NULL); |
1595 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
9da8c2a0 PA |
1596 | struct symtab_and_line sr_sal; |
1597 | ||
1598 | /* Set a step-resume at the function's entry point. Once that's | |
1599 | hit, we'll do one more step backwards. */ | |
1600 | init_sal (&sr_sal); | |
1601 | sr_sal.pc = sal.pc; | |
1602 | sr_sal.pspace = get_frame_program_space (frame); | |
1603 | insert_step_resume_breakpoint_at_sal (gdbarch, | |
1604 | sr_sal, null_frame_id); | |
a6d9a66e | 1605 | |
a493e3e2 | 1606 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
b2175913 MS |
1607 | } |
1608 | else | |
b2175913 | 1609 | { |
9da8c2a0 PA |
1610 | /* We're almost there -- we just need to back up by one more |
1611 | single-step. */ | |
16c381f0 | 1612 | tp->control.step_range_start = tp->control.step_range_end = 1; |
a493e3e2 | 1613 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1); |
b2175913 | 1614 | } |
b2175913 MS |
1615 | } |
1616 | ||
1617 | /* finish_forward -- helper function for finish_command. */ | |
1618 | ||
1619 | static void | |
1620 | finish_forward (struct symbol *function, struct frame_info *frame) | |
1621 | { | |
def166f6 | 1622 | struct frame_id frame_id = get_frame_id (frame); |
a6d9a66e | 1623 | struct gdbarch *gdbarch = get_frame_arch (frame); |
b2175913 MS |
1624 | struct symtab_and_line sal; |
1625 | struct thread_info *tp = inferior_thread (); | |
1626 | struct breakpoint *breakpoint; | |
1627 | struct cleanup *old_chain; | |
1628 | struct finish_command_continuation_args *cargs; | |
186c406b | 1629 | int thread = tp->num; |
b2175913 MS |
1630 | |
1631 | sal = find_pc_line (get_frame_pc (frame), 0); | |
1632 | sal.pc = get_frame_pc (frame); | |
1633 | ||
a6d9a66e UW |
1634 | breakpoint = set_momentary_breakpoint (gdbarch, sal, |
1635 | get_stack_frame_id (frame), | |
b2175913 MS |
1636 | bp_finish); |
1637 | ||
c70a6932 JK |
1638 | /* set_momentary_breakpoint invalidates FRAME. */ |
1639 | frame = NULL; | |
1640 | ||
b2175913 MS |
1641 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
1642 | ||
def166f6 | 1643 | set_longjmp_breakpoint (tp, frame_id); |
186c406b TT |
1644 | make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); |
1645 | ||
16c381f0 JK |
1646 | /* We want stop_registers, please... */ |
1647 | tp->control.proceed_to_finish = 1; | |
b2175913 MS |
1648 | cargs = xmalloc (sizeof (*cargs)); |
1649 | ||
fa4cd53f | 1650 | cargs->thread = thread; |
b2175913 MS |
1651 | cargs->breakpoint = breakpoint; |
1652 | cargs->function = function; | |
1653 | add_continuation (tp, finish_command_continuation, cargs, | |
1654 | finish_command_continuation_free_arg); | |
a493e3e2 | 1655 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
b2175913 MS |
1656 | |
1657 | discard_cleanups (old_chain); | |
1658 | if (!target_can_async_p ()) | |
fa4cd53f | 1659 | do_all_continuations (0); |
b2175913 MS |
1660 | } |
1661 | ||
f941662f MK |
1662 | /* "finish": Set a temporary breakpoint at the place the selected |
1663 | frame will return to, then continue. */ | |
c906108c SS |
1664 | |
1665 | static void | |
fba45db2 | 1666 | finish_command (char *arg, int from_tty) |
c906108c | 1667 | { |
52f0bd74 AC |
1668 | struct frame_info *frame; |
1669 | struct symbol *function; | |
43ff13b4 JM |
1670 | |
1671 | int async_exec = 0; | |
1672 | ||
4247603b | 1673 | ERROR_NO_INFERIOR; |
573cda03 | 1674 | ensure_not_tfind_mode (); |
4247603b PA |
1675 | ensure_valid_thread (); |
1676 | ensure_not_running (); | |
573cda03 | 1677 | |
f941662f | 1678 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1679 | if (arg != NULL) |
1680 | async_exec = strip_bg_char (&arg); | |
1681 | ||
8bc2fe48 | 1682 | prepare_execution_command (¤t_target, async_exec); |
c906108c SS |
1683 | |
1684 | if (arg) | |
8a3fe4f8 | 1685 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1686 | |
206415a3 | 1687 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 1688 | if (frame == 0) |
8a3fe4f8 | 1689 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c SS |
1690 | |
1691 | clear_proceed_status (); | |
1692 | ||
edb3359d DJ |
1693 | /* Finishing from an inline frame is completely different. We don't |
1694 | try to show the "return value" - no way to locate it. So we do | |
1695 | not need a completion. */ | |
1696 | if (get_frame_type (get_selected_frame (_("No selected frame."))) | |
1697 | == INLINE_FRAME) | |
1698 | { | |
1699 | /* Claim we are stepping in the calling frame. An empty step | |
1700 | range means that we will stop once we aren't in a function | |
1701 | called by that frame. We don't use the magic "1" value for | |
1702 | step_range_end, because then infrun will think this is nexti, | |
1703 | and not step over the rest of this inlined function call. */ | |
1704 | struct thread_info *tp = inferior_thread (); | |
1705 | struct symtab_and_line empty_sal; | |
abbb1732 | 1706 | |
edb3359d DJ |
1707 | init_sal (&empty_sal); |
1708 | set_step_info (frame, empty_sal); | |
16c381f0 JK |
1709 | tp->control.step_range_start = get_frame_pc (frame); |
1710 | tp->control.step_range_end = tp->control.step_range_start; | |
1711 | tp->control.step_over_calls = STEP_OVER_ALL; | |
edb3359d DJ |
1712 | |
1713 | /* Print info on the selected frame, including level number but not | |
1714 | source. */ | |
1715 | if (from_tty) | |
1716 | { | |
1717 | printf_filtered (_("Run till exit from ")); | |
08d72866 | 1718 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
edb3359d DJ |
1719 | } |
1720 | ||
a493e3e2 | 1721 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1); |
edb3359d DJ |
1722 | return; |
1723 | } | |
1724 | ||
1ab3b62c JK |
1725 | /* Ignore TAILCALL_FRAME type frames, they were executed already before |
1726 | entering THISFRAME. */ | |
1727 | while (get_frame_type (frame) == TAILCALL_FRAME) | |
1728 | frame = get_prev_frame (frame); | |
1729 | ||
c906108c SS |
1730 | /* Find the function we will return from. */ |
1731 | ||
206415a3 | 1732 | function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 1733 | |
f941662f MK |
1734 | /* Print info on the selected frame, including level number but not |
1735 | source. */ | |
c906108c SS |
1736 | if (from_tty) |
1737 | { | |
b2175913 MS |
1738 | if (execution_direction == EXEC_REVERSE) |
1739 | printf_filtered (_("Run back to call of ")); | |
1740 | else | |
1741 | printf_filtered (_("Run till exit from ")); | |
1742 | ||
08d72866 | 1743 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
c906108c SS |
1744 | } |
1745 | ||
b2175913 MS |
1746 | if (execution_direction == EXEC_REVERSE) |
1747 | finish_backward (function); | |
1748 | else | |
1749 | finish_forward (function, frame); | |
c906108c SS |
1750 | } |
1751 | \f | |
f941662f | 1752 | |
c906108c | 1753 | static void |
fba45db2 | 1754 | program_info (char *args, int from_tty) |
c906108c | 1755 | { |
347bddb7 PA |
1756 | bpstat bs; |
1757 | int num, stat; | |
1758 | struct thread_info *tp; | |
1759 | ptid_t ptid; | |
c5aa993b | 1760 | |
c906108c SS |
1761 | if (!target_has_execution) |
1762 | { | |
a3f17187 | 1763 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
1764 | return; |
1765 | } | |
1766 | ||
347bddb7 PA |
1767 | if (non_stop) |
1768 | ptid = inferior_ptid; | |
1769 | else | |
1770 | { | |
1771 | struct target_waitstatus ws; | |
abbb1732 | 1772 | |
347bddb7 PA |
1773 | get_last_target_status (&ptid, &ws); |
1774 | } | |
1775 | ||
1776 | if (ptid_equal (ptid, null_ptid) || is_exited (ptid)) | |
1777 | error (_("Invalid selected thread.")); | |
1778 | else if (is_running (ptid)) | |
1779 | error (_("Selected thread is running.")); | |
1780 | ||
e09875d4 | 1781 | tp = find_thread_ptid (ptid); |
16c381f0 | 1782 | bs = tp->control.stop_bpstat; |
347bddb7 PA |
1783 | stat = bpstat_num (&bs, &num); |
1784 | ||
c906108c | 1785 | target_files_info (); |
5af949e3 | 1786 | printf_filtered (_("Program stopped at %s.\n"), |
f5656ead | 1787 | paddress (target_gdbarch (), stop_pc)); |
16c381f0 | 1788 | if (tp->control.stop_step) |
a3f17187 | 1789 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 1790 | else if (stat != 0) |
c906108c SS |
1791 | { |
1792 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1793 | isn't as strange as it seems. */ |
8671a17b | 1794 | while (stat != 0) |
c906108c | 1795 | { |
8671a17b | 1796 | if (stat < 0) |
c906108c | 1797 | { |
3e43a32a MS |
1798 | printf_filtered (_("It stopped at a breakpoint " |
1799 | "that has since been deleted.\n")); | |
c906108c SS |
1800 | } |
1801 | else | |
a3f17187 | 1802 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 1803 | stat = bpstat_num (&bs, &num); |
c906108c SS |
1804 | } |
1805 | } | |
a493e3e2 | 1806 | else if (tp->suspend.stop_signal != GDB_SIGNAL_0) |
c906108c | 1807 | { |
a3f17187 | 1808 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
2ea28649 PA |
1809 | gdb_signal_to_name (tp->suspend.stop_signal), |
1810 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
c906108c SS |
1811 | } |
1812 | ||
1813 | if (!from_tty) | |
1814 | { | |
3e43a32a MS |
1815 | printf_filtered (_("Type \"info stack\" or \"info " |
1816 | "registers\" for more information.\n")); | |
c906108c SS |
1817 | } |
1818 | } | |
1819 | \f | |
1820 | static void | |
fba45db2 | 1821 | environment_info (char *var, int from_tty) |
c906108c SS |
1822 | { |
1823 | if (var) | |
1824 | { | |
3f81c18a | 1825 | char *val = get_in_environ (current_inferior ()->environment, var); |
abbb1732 | 1826 | |
c906108c SS |
1827 | if (val) |
1828 | { | |
1829 | puts_filtered (var); | |
1830 | puts_filtered (" = "); | |
1831 | puts_filtered (val); | |
1832 | puts_filtered ("\n"); | |
1833 | } | |
1834 | else | |
1835 | { | |
1836 | puts_filtered ("Environment variable \""); | |
1837 | puts_filtered (var); | |
1838 | puts_filtered ("\" not defined.\n"); | |
1839 | } | |
1840 | } | |
1841 | else | |
1842 | { | |
3f81c18a | 1843 | char **vector = environ_vector (current_inferior ()->environment); |
abbb1732 | 1844 | |
c906108c SS |
1845 | while (*vector) |
1846 | { | |
1847 | puts_filtered (*vector++); | |
1848 | puts_filtered ("\n"); | |
1849 | } | |
1850 | } | |
1851 | } | |
1852 | ||
1853 | static void | |
fba45db2 | 1854 | set_environment_command (char *arg, int from_tty) |
c906108c | 1855 | { |
52f0bd74 | 1856 | char *p, *val, *var; |
c906108c SS |
1857 | int nullset = 0; |
1858 | ||
1859 | if (arg == 0) | |
e2e0b3e5 | 1860 | error_no_arg (_("environment variable and value")); |
c906108c | 1861 | |
1777feb0 | 1862 | /* Find seperation between variable name and value. */ |
c906108c SS |
1863 | p = (char *) strchr (arg, '='); |
1864 | val = (char *) strchr (arg, ' '); | |
1865 | ||
1866 | if (p != 0 && val != 0) | |
1867 | { | |
1868 | /* We have both a space and an equals. If the space is before the | |
c5aa993b | 1869 | equals, walk forward over the spaces til we see a nonspace |
1777feb0 | 1870 | (possibly the equals). */ |
c906108c SS |
1871 | if (p > val) |
1872 | while (*val == ' ') | |
1873 | val++; | |
1874 | ||
1875 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1876 | take the char following the spaces. */ |
c906108c SS |
1877 | if (p > val) |
1878 | p = val - 1; | |
1879 | } | |
1880 | else if (val != 0 && p == 0) | |
1881 | p = val; | |
1882 | ||
1883 | if (p == arg) | |
e2e0b3e5 | 1884 | error_no_arg (_("environment variable to set")); |
c906108c SS |
1885 | |
1886 | if (p == 0 || p[1] == 0) | |
1887 | { | |
1888 | nullset = 1; | |
1889 | if (p == 0) | |
1777feb0 | 1890 | p = arg + strlen (arg); /* So that savestring below will work. */ |
c906108c SS |
1891 | } |
1892 | else | |
1893 | { | |
1777feb0 | 1894 | /* Not setting variable value to null. */ |
c906108c SS |
1895 | val = p + 1; |
1896 | while (*val == ' ' || *val == '\t') | |
1897 | val++; | |
1898 | } | |
1899 | ||
c5aa993b JM |
1900 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1901 | p--; | |
c906108c SS |
1902 | |
1903 | var = savestring (arg, p - arg); | |
1904 | if (nullset) | |
1905 | { | |
3e43a32a MS |
1906 | printf_filtered (_("Setting environment variable " |
1907 | "\"%s\" to null value.\n"), | |
a3f17187 | 1908 | var); |
3f81c18a | 1909 | set_in_environ (current_inferior ()->environment, var, ""); |
c906108c SS |
1910 | } |
1911 | else | |
3f81c18a | 1912 | set_in_environ (current_inferior ()->environment, var, val); |
b8c9b27d | 1913 | xfree (var); |
c906108c SS |
1914 | } |
1915 | ||
1916 | static void | |
fba45db2 | 1917 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1918 | { |
1919 | if (var == 0) | |
1920 | { | |
1921 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1922 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 1923 | if (!from_tty || query (_("Delete all environment variables? "))) |
c906108c | 1924 | { |
3f81c18a VP |
1925 | free_environ (current_inferior ()->environment); |
1926 | current_inferior ()->environment = make_environ (); | |
c906108c SS |
1927 | } |
1928 | } | |
1929 | else | |
3f81c18a | 1930 | unset_in_environ (current_inferior ()->environment, var); |
c906108c SS |
1931 | } |
1932 | ||
1777feb0 | 1933 | /* Handle the execution path (PATH variable). */ |
c906108c SS |
1934 | |
1935 | static const char path_var_name[] = "PATH"; | |
1936 | ||
c906108c | 1937 | static void |
fba45db2 | 1938 | path_info (char *args, int from_tty) |
c906108c SS |
1939 | { |
1940 | puts_filtered ("Executable and object file path: "); | |
3e43a32a MS |
1941 | puts_filtered (get_in_environ (current_inferior ()->environment, |
1942 | path_var_name)); | |
c906108c SS |
1943 | puts_filtered ("\n"); |
1944 | } | |
1945 | ||
1946 | /* Add zero or more directories to the front of the execution path. */ | |
1947 | ||
1948 | static void | |
fba45db2 | 1949 | path_command (char *dirname, int from_tty) |
c906108c SS |
1950 | { |
1951 | char *exec_path; | |
1952 | char *env; | |
abbb1732 | 1953 | |
c906108c | 1954 | dont_repeat (); |
3f81c18a | 1955 | env = get_in_environ (current_inferior ()->environment, path_var_name); |
1777feb0 | 1956 | /* Can be null if path is not set. */ |
c906108c SS |
1957 | if (!env) |
1958 | env = ""; | |
4fcf66da | 1959 | exec_path = xstrdup (env); |
c906108c | 1960 | mod_path (dirname, &exec_path); |
3f81c18a | 1961 | set_in_environ (current_inferior ()->environment, path_var_name, exec_path); |
b8c9b27d | 1962 | xfree (exec_path); |
c906108c | 1963 | if (from_tty) |
c5aa993b | 1964 | path_info ((char *) NULL, from_tty); |
c906108c | 1965 | } |
c906108c | 1966 | \f |
c5aa993b | 1967 | |
1292279a PA |
1968 | /* Print out the register NAME with value VAL, to FILE, in the default |
1969 | fashion. */ | |
1970 | ||
1971 | static void | |
1972 | default_print_one_register_info (struct ui_file *file, | |
1973 | const char *name, | |
1974 | struct value *val) | |
1975 | { | |
1976 | struct type *regtype = value_type (val); | |
f69d9aef | 1977 | int print_raw_format; |
1292279a PA |
1978 | |
1979 | fputs_filtered (name, file); | |
1980 | print_spaces_filtered (15 - strlen (name), file); | |
1981 | ||
f69d9aef AB |
1982 | print_raw_format = (value_entirely_available (val) |
1983 | && !value_optimized_out (val)); | |
1292279a PA |
1984 | |
1985 | /* If virtual format is floating, print it that way, and in raw | |
1986 | hex. */ | |
1987 | if (TYPE_CODE (regtype) == TYPE_CODE_FLT | |
1988 | || TYPE_CODE (regtype) == TYPE_CODE_DECFLOAT) | |
1989 | { | |
1990 | int j; | |
1991 | struct value_print_options opts; | |
1992 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
1993 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (regtype)); | |
1994 | ||
1995 | get_user_print_options (&opts); | |
1996 | opts.deref_ref = 1; | |
1997 | ||
1998 | val_print (regtype, | |
1999 | value_contents_for_printing (val), | |
2000 | value_embedded_offset (val), 0, | |
2001 | file, 0, val, &opts, current_language); | |
2002 | ||
f69d9aef AB |
2003 | if (print_raw_format) |
2004 | { | |
2005 | fprintf_filtered (file, "\t(raw "); | |
2006 | print_hex_chars (file, valaddr, TYPE_LENGTH (regtype), byte_order); | |
2007 | fprintf_filtered (file, ")"); | |
2008 | } | |
1292279a PA |
2009 | } |
2010 | else | |
2011 | { | |
2012 | struct value_print_options opts; | |
2013 | ||
2014 | /* Print the register in hex. */ | |
2015 | get_formatted_print_options (&opts, 'x'); | |
2016 | opts.deref_ref = 1; | |
2017 | val_print (regtype, | |
2018 | value_contents_for_printing (val), | |
2019 | value_embedded_offset (val), 0, | |
2020 | file, 0, val, &opts, current_language); | |
2021 | /* If not a vector register, print it also according to its | |
2022 | natural format. */ | |
f69d9aef | 2023 | if (print_raw_format && TYPE_VECTOR (regtype) == 0) |
1292279a PA |
2024 | { |
2025 | get_user_print_options (&opts); | |
2026 | opts.deref_ref = 1; | |
2027 | fprintf_filtered (file, "\t"); | |
2028 | val_print (regtype, | |
2029 | value_contents_for_printing (val), | |
2030 | value_embedded_offset (val), 0, | |
2031 | file, 0, val, &opts, current_language); | |
2032 | } | |
2033 | } | |
2034 | ||
2035 | fprintf_filtered (file, "\n"); | |
2036 | } | |
2037 | ||
1777feb0 | 2038 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
2039 | registers (print_all == 1) or all non-float and non-vector |
2040 | registers (print_all == 0). | |
c906108c SS |
2041 | |
2042 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
2043 | register(s) one per line is good enough. If a different format is |
2044 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
2045 | regs), or there is an existing convention for showing all the | |
2046 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
2047 | provide that format. */ | |
c906108c | 2048 | |
666e11c5 | 2049 | void |
0ab7a791 AC |
2050 | default_print_registers_info (struct gdbarch *gdbarch, |
2051 | struct ui_file *file, | |
2052 | struct frame_info *frame, | |
2053 | int regnum, int print_all) | |
c906108c | 2054 | { |
0ab7a791 | 2055 | int i; |
a4bd449d UW |
2056 | const int numregs = gdbarch_num_regs (gdbarch) |
2057 | + gdbarch_num_pseudo_regs (gdbarch); | |
0ab7a791 | 2058 | |
c906108c SS |
2059 | for (i = 0; i < numregs; i++) |
2060 | { | |
4782dc19 AC |
2061 | /* Decide between printing all regs, non-float / vector regs, or |
2062 | specific reg. */ | |
c5aa993b JM |
2063 | if (regnum == -1) |
2064 | { | |
f9418c0f | 2065 | if (print_all) |
4782dc19 | 2066 | { |
f9418c0f | 2067 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 2068 | continue; |
f9418c0f AC |
2069 | } |
2070 | else | |
2071 | { | |
2072 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
2073 | continue; |
2074 | } | |
c5aa993b JM |
2075 | } |
2076 | else | |
2077 | { | |
2078 | if (i != regnum) | |
2079 | continue; | |
2080 | } | |
c906108c SS |
2081 | |
2082 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 2083 | processor, so don't display anything. */ |
a4bd449d UW |
2084 | if (gdbarch_register_name (gdbarch, i) == NULL |
2085 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
2086 | continue; |
2087 | ||
1292279a PA |
2088 | default_print_one_register_info (file, |
2089 | gdbarch_register_name (gdbarch, i), | |
901461f8 | 2090 | value_of_register (i, frame)); |
c906108c SS |
2091 | } |
2092 | } | |
c906108c | 2093 | |
c906108c | 2094 | void |
fba45db2 | 2095 | registers_info (char *addr_exp, int fpregs) |
c906108c | 2096 | { |
206415a3 | 2097 | struct frame_info *frame; |
a4bd449d | 2098 | struct gdbarch *gdbarch; |
c906108c SS |
2099 | |
2100 | if (!target_has_registers) | |
8a3fe4f8 | 2101 | error (_("The program has no registers now.")); |
206415a3 | 2102 | frame = get_selected_frame (NULL); |
a4bd449d | 2103 | gdbarch = get_frame_arch (frame); |
c906108c SS |
2104 | |
2105 | if (!addr_exp) | |
2106 | { | |
a4bd449d | 2107 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 2108 | frame, -1, fpregs); |
c906108c SS |
2109 | return; |
2110 | } | |
2111 | ||
f9418c0f | 2112 | while (*addr_exp != '\0') |
c5aa993b | 2113 | { |
f9418c0f AC |
2114 | char *start; |
2115 | const char *end; | |
c906108c | 2116 | |
529480d0 KS |
2117 | /* Skip leading white space. */ |
2118 | addr_exp = skip_spaces (addr_exp); | |
c906108c | 2119 | |
f9418c0f AC |
2120 | /* Discard any leading ``$''. Check that there is something |
2121 | resembling a register following it. */ | |
2122 | if (addr_exp[0] == '$') | |
2123 | addr_exp++; | |
2124 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 2125 | error (_("Missing register name")); |
c906108c | 2126 | |
f9418c0f AC |
2127 | /* Find the start/end of this register name/num/group. */ |
2128 | start = addr_exp; | |
2129 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
2130 | addr_exp++; | |
2131 | end = addr_exp; | |
ad842144 | 2132 | |
f9418c0f AC |
2133 | /* Figure out what we've found and display it. */ |
2134 | ||
2135 | /* A register name? */ | |
2136 | { | |
029a67e4 | 2137 | int regnum = user_reg_map_name_to_regnum (gdbarch, start, end - start); |
abbb1732 | 2138 | |
f9418c0f AC |
2139 | if (regnum >= 0) |
2140 | { | |
ad842144 MR |
2141 | /* User registers lie completely outside of the range of |
2142 | normal registers. Catch them early so that the target | |
2143 | never sees them. */ | |
2144 | if (regnum >= gdbarch_num_regs (gdbarch) | |
2145 | + gdbarch_num_pseudo_regs (gdbarch)) | |
2146 | { | |
1292279a PA |
2147 | struct value *regval = value_of_user_reg (regnum, frame); |
2148 | const char *regname = user_reg_map_regnum_to_name (gdbarch, | |
2149 | regnum); | |
2150 | ||
2151 | /* Print in the same fashion | |
2152 | gdbarch_print_registers_info's default | |
2153 | implementation prints. */ | |
2154 | default_print_one_register_info (gdb_stdout, | |
2155 | regname, | |
2156 | regval); | |
ad842144 MR |
2157 | } |
2158 | else | |
2159 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
2160 | frame, regnum, fpregs); | |
f9418c0f AC |
2161 | continue; |
2162 | } | |
2163 | } | |
ad842144 | 2164 | |
f9418c0f AC |
2165 | /* A register group? */ |
2166 | { | |
6c7d17ba | 2167 | struct reggroup *group; |
abbb1732 | 2168 | |
a4bd449d | 2169 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 2170 | group != NULL; |
a4bd449d | 2171 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
2172 | { |
2173 | /* Don't bother with a length check. Should the user | |
2174 | enter a short register group name, go with the first | |
2175 | group that matches. */ | |
6c7d17ba | 2176 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
2177 | break; |
2178 | } | |
6c7d17ba | 2179 | if (group != NULL) |
f9418c0f AC |
2180 | { |
2181 | int regnum; | |
abbb1732 | 2182 | |
f57d151a | 2183 | for (regnum = 0; |
a4bd449d UW |
2184 | regnum < gdbarch_num_regs (gdbarch) |
2185 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2186 | regnum++) |
f9418c0f | 2187 | { |
a4bd449d UW |
2188 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
2189 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 2190 | gdb_stdout, frame, |
f9418c0f AC |
2191 | regnum, fpregs); |
2192 | } | |
2193 | continue; | |
2194 | } | |
2195 | } | |
c906108c | 2196 | |
f9418c0f | 2197 | /* Nothing matched. */ |
8a3fe4f8 | 2198 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 2199 | } |
c906108c SS |
2200 | } |
2201 | ||
1dd5fedc | 2202 | static void |
fba45db2 | 2203 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
2204 | { |
2205 | registers_info (addr_exp, 1); | |
2206 | } | |
2207 | ||
a58dd373 | 2208 | static void |
fba45db2 | 2209 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
2210 | { |
2211 | registers_info (addr_exp, 0); | |
2212 | } | |
e76f1f2e AC |
2213 | |
2214 | static void | |
d80b854b | 2215 | print_vector_info (struct ui_file *file, |
e76f1f2e AC |
2216 | struct frame_info *frame, const char *args) |
2217 | { | |
d80b854b UW |
2218 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2219 | ||
e76f1f2e AC |
2220 | if (gdbarch_print_vector_info_p (gdbarch)) |
2221 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
2222 | else | |
2223 | { | |
2224 | int regnum; | |
2225 | int printed_something = 0; | |
ab4327e0 | 2226 | |
f57d151a | 2227 | for (regnum = 0; |
a4bd449d UW |
2228 | regnum < gdbarch_num_regs (gdbarch) |
2229 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2230 | regnum++) |
e76f1f2e | 2231 | { |
f9418c0f | 2232 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
2233 | { |
2234 | printed_something = 1; | |
e76f1f2e | 2235 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
2236 | } |
2237 | } | |
2238 | if (!printed_something) | |
2239 | fprintf_filtered (file, "No vector information\n"); | |
2240 | } | |
2241 | } | |
2242 | ||
2243 | static void | |
2244 | vector_info (char *args, int from_tty) | |
2245 | { | |
206415a3 DJ |
2246 | if (!target_has_registers) |
2247 | error (_("The program has no registers now.")); | |
2248 | ||
d80b854b | 2249 | print_vector_info (gdb_stdout, get_selected_frame (NULL), args); |
e76f1f2e | 2250 | } |
c906108c | 2251 | \f |
5fd62852 PA |
2252 | /* Kill the inferior process. Make us have no inferior. */ |
2253 | ||
2254 | static void | |
2255 | kill_command (char *arg, int from_tty) | |
2256 | { | |
2257 | /* FIXME: This should not really be inferior_ptid (or target_has_execution). | |
2258 | It should be a distinct flag that indicates that a target is active, cuz | |
1777feb0 | 2259 | some targets don't have processes! */ |
5fd62852 PA |
2260 | |
2261 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2262 | error (_("The program is not being run.")); | |
2263 | if (!query (_("Kill the program being debugged? "))) | |
2264 | error (_("Not confirmed.")); | |
2265 | target_kill (); | |
2266 | ||
c35b1492 PA |
2267 | /* If we still have other inferiors to debug, then don't mess with |
2268 | with their threads. */ | |
2269 | if (!have_inferiors ()) | |
5fd62852 | 2270 | { |
1777feb0 | 2271 | init_thread_list (); /* Destroy thread info. */ |
5fd62852 PA |
2272 | |
2273 | /* Killing off the inferior can leave us with a core file. If | |
2274 | so, print the state we are left in. */ | |
2275 | if (target_has_stack) | |
2276 | { | |
2277 | printf_filtered (_("In %s,\n"), target_longname); | |
08d72866 | 2278 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1); |
5fd62852 PA |
2279 | } |
2280 | } | |
2281 | bfd_cache_close_all (); | |
2282 | } | |
c5aa993b | 2283 | |
74531fed PA |
2284 | /* Used in `attach&' command. ARG is a point to an integer |
2285 | representing a process id. Proceed threads of this process iff | |
2286 | they stopped due to debugger request, and when they did, they | |
a493e3e2 | 2287 | reported a clean stop (GDB_SIGNAL_0). Do not proceed threads |
74531fed PA |
2288 | that have been explicitly been told to stop. */ |
2289 | ||
2290 | static int | |
2291 | proceed_after_attach_callback (struct thread_info *thread, | |
2292 | void *arg) | |
2293 | { | |
2294 | int pid = * (int *) arg; | |
2295 | ||
2296 | if (ptid_get_pid (thread->ptid) == pid | |
2297 | && !is_exited (thread->ptid) | |
2298 | && !is_executing (thread->ptid) | |
2299 | && !thread->stop_requested | |
a493e3e2 | 2300 | && thread->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed PA |
2301 | { |
2302 | switch_to_thread (thread->ptid); | |
2303 | clear_proceed_status (); | |
a493e3e2 | 2304 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
74531fed PA |
2305 | } |
2306 | ||
2307 | return 0; | |
2308 | } | |
2309 | ||
2310 | static void | |
2311 | proceed_after_attach (int pid) | |
2312 | { | |
2313 | /* Don't error out if the current thread is running, because | |
2314 | there may be other stopped threads. */ | |
2315 | struct cleanup *old_chain; | |
2316 | ||
2317 | /* Backup current thread and selected frame. */ | |
2318 | old_chain = make_cleanup_restore_current_thread (); | |
2319 | ||
2320 | iterate_over_threads (proceed_after_attach_callback, &pid); | |
2321 | ||
2322 | /* Restore selected ptid. */ | |
2323 | do_cleanups (old_chain); | |
2324 | } | |
2325 | ||
c906108c SS |
2326 | /* |
2327 | * TODO: | |
2328 | * Should save/restore the tty state since it might be that the | |
2329 | * program to be debugged was started on this tty and it wants | |
2330 | * the tty in some state other than what we want. If it's running | |
2331 | * on another terminal or without a terminal, then saving and | |
2332 | * restoring the tty state is a harmless no-op. | |
2333 | * This only needs to be done if we are attaching to a process. | |
2334 | */ | |
2335 | ||
1777feb0 | 2336 | /* attach_command -- |
c906108c SS |
2337 | takes a program started up outside of gdb and ``attaches'' to it. |
2338 | This stops it cold in its tracks and allows us to start debugging it. | |
2339 | and wait for the trace-trap that results from attaching. */ | |
2340 | ||
9356cf8d PA |
2341 | static void |
2342 | attach_command_post_wait (char *args, int from_tty, int async_exec) | |
2343 | { | |
2344 | char *exec_file; | |
2345 | char *full_exec_path = NULL; | |
d6b48e9c | 2346 | struct inferior *inferior; |
9356cf8d | 2347 | |
d6b48e9c | 2348 | inferior = current_inferior (); |
16c381f0 | 2349 | inferior->control.stop_soon = NO_STOP_QUIETLY; |
9356cf8d PA |
2350 | |
2351 | /* If no exec file is yet known, try to determine it from the | |
2352 | process itself. */ | |
2353 | exec_file = (char *) get_exec_file (0); | |
2354 | if (!exec_file) | |
2355 | { | |
dfd4cc63 | 2356 | exec_file = target_pid_to_exec_file (ptid_get_pid (inferior_ptid)); |
9356cf8d PA |
2357 | if (exec_file) |
2358 | { | |
2359 | /* It's possible we don't have a full path, but rather just a | |
2360 | filename. Some targets, such as HP-UX, don't provide the | |
2361 | full path, sigh. | |
2362 | ||
2363 | Attempt to qualify the filename against the source path. | |
2364 | (If that fails, we'll just fall back on the original | |
1777feb0 MS |
2365 | filename. Not much more we can do...) */ |
2366 | ||
9356cf8d | 2367 | if (!source_full_path_of (exec_file, &full_exec_path)) |
1b36a34b | 2368 | full_exec_path = xstrdup (exec_file); |
9356cf8d PA |
2369 | |
2370 | exec_file_attach (full_exec_path, from_tty); | |
2371 | symbol_file_add_main (full_exec_path, from_tty); | |
2372 | } | |
2373 | } | |
2374 | else | |
2375 | { | |
2376 | reopen_exec_file (); | |
2377 | reread_symbols (); | |
2378 | } | |
2379 | ||
2380 | /* Take any necessary post-attaching actions for this platform. */ | |
dfd4cc63 | 2381 | target_post_attach (ptid_get_pid (inferior_ptid)); |
9356cf8d PA |
2382 | |
2383 | post_create_inferior (¤t_target, from_tty); | |
2384 | ||
2385 | /* Install inferior's terminal modes. */ | |
2386 | target_terminal_inferior (); | |
2387 | ||
2388 | if (async_exec) | |
74531fed PA |
2389 | { |
2390 | /* The user requested an `attach&', so be sure to leave threads | |
2391 | that didn't get a signal running. */ | |
2392 | ||
2393 | /* Immediatelly resume all suspended threads of this inferior, | |
2394 | and this inferior only. This should have no effect on | |
2395 | already running threads. If a thread has been stopped with a | |
2396 | signal, leave it be. */ | |
2397 | if (non_stop) | |
2398 | proceed_after_attach (inferior->pid); | |
2399 | else | |
2400 | { | |
a493e3e2 | 2401 | if (inferior_thread ()->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed PA |
2402 | { |
2403 | clear_proceed_status (); | |
a493e3e2 | 2404 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
74531fed PA |
2405 | } |
2406 | } | |
2407 | } | |
9356cf8d PA |
2408 | else |
2409 | { | |
74531fed PA |
2410 | /* The user requested a plain `attach', so be sure to leave |
2411 | the inferior stopped. */ | |
2412 | ||
9356cf8d PA |
2413 | if (target_can_async_p ()) |
2414 | async_enable_stdin (); | |
74531fed PA |
2415 | |
2416 | /* At least the current thread is already stopped. */ | |
2417 | ||
2418 | /* In all-stop, by definition, all threads have to be already | |
2419 | stopped at this point. In non-stop, however, although the | |
2420 | selected thread is stopped, others may still be executing. | |
2421 | Be sure to explicitly stop all threads of the process. This | |
2422 | should have no effect on already stopped threads. */ | |
2423 | if (non_stop) | |
2424 | target_stop (pid_to_ptid (inferior->pid)); | |
2425 | ||
2426 | /* Tell the user/frontend where we're stopped. */ | |
9356cf8d PA |
2427 | normal_stop (); |
2428 | if (deprecated_attach_hook) | |
2429 | deprecated_attach_hook (); | |
2430 | } | |
2431 | } | |
2432 | ||
bfec99b2 | 2433 | struct attach_command_continuation_args |
9356cf8d PA |
2434 | { |
2435 | char *args; | |
2436 | int from_tty; | |
2437 | int async_exec; | |
bfec99b2 | 2438 | }; |
9356cf8d | 2439 | |
bfec99b2 | 2440 | static void |
fa4cd53f | 2441 | attach_command_continuation (void *args, int err) |
bfec99b2 PA |
2442 | { |
2443 | struct attach_command_continuation_args *a = args; | |
abbb1732 | 2444 | |
fa4cd53f PA |
2445 | if (err) |
2446 | return; | |
2447 | ||
bfec99b2 | 2448 | attach_command_post_wait (a->args, a->from_tty, a->async_exec); |
9356cf8d PA |
2449 | } |
2450 | ||
604ead4a PA |
2451 | static void |
2452 | attach_command_continuation_free_args (void *args) | |
2453 | { | |
2454 | struct attach_command_continuation_args *a = args; | |
abbb1732 | 2455 | |
604ead4a PA |
2456 | xfree (a->args); |
2457 | xfree (a); | |
2458 | } | |
2459 | ||
c906108c | 2460 | void |
fba45db2 | 2461 | attach_command (char *args, int from_tty) |
c906108c | 2462 | { |
9356cf8d | 2463 | int async_exec = 0; |
b3ccfe11 | 2464 | struct target_ops *attach_target; |
c906108c | 2465 | |
c5aa993b | 2466 | dont_repeat (); /* Not for the faint of heart */ |
c906108c | 2467 | |
f5656ead | 2468 | if (gdbarch_has_global_solist (target_gdbarch ())) |
2567c7d9 PA |
2469 | /* Don't complain if all processes share the same symbol |
2470 | space. */ | |
8a305172 PA |
2471 | ; |
2472 | else if (target_has_execution) | |
c906108c | 2473 | { |
9e2f0ad4 | 2474 | if (query (_("A program is being debugged already. Kill it? "))) |
c906108c SS |
2475 | target_kill (); |
2476 | else | |
8a3fe4f8 | 2477 | error (_("Not killed.")); |
c906108c SS |
2478 | } |
2479 | ||
fd79ecee DJ |
2480 | /* Clean up any leftovers from other runs. Some other things from |
2481 | this function should probably be moved into target_pre_inferior. */ | |
2482 | target_pre_inferior (from_tty); | |
2483 | ||
8bc2fe48 PA |
2484 | if (args != NULL) |
2485 | async_exec = strip_bg_char (&args); | |
2486 | ||
b3ccfe11 TT |
2487 | attach_target = find_attach_target (); |
2488 | ||
8bc2fe48 PA |
2489 | prepare_execution_command (attach_target, async_exec); |
2490 | ||
b3ccfe11 | 2491 | if (non_stop && !attach_target->to_supports_non_stop (attach_target)) |
9908b566 VP |
2492 | error (_("Cannot attach to this target in non-stop mode")); |
2493 | ||
b3ccfe11 TT |
2494 | attach_target->to_attach (attach_target, args, from_tty); |
2495 | /* to_attach should push the target, so after this point we | |
2496 | shouldn't refer to attach_target again. */ | |
2497 | attach_target = NULL; | |
c906108c SS |
2498 | |
2499 | /* Set up the "saved terminal modes" of the inferior | |
2500 | based on what modes we are starting it with. */ | |
2501 | target_terminal_init (); | |
2502 | ||
c906108c SS |
2503 | /* Set up execution context to know that we should return from |
2504 | wait_for_inferior as soon as the target reports a stop. */ | |
2505 | init_wait_for_inferior (); | |
2506 | clear_proceed_status (); | |
c906108c | 2507 | |
74531fed PA |
2508 | if (non_stop) |
2509 | { | |
2510 | /* If we find that the current thread isn't stopped, explicitly | |
2511 | do so now, because we're going to install breakpoints and | |
2512 | poke at memory. */ | |
2513 | ||
2514 | if (async_exec) | |
2515 | /* The user requested an `attach&'; stop just one thread. */ | |
2516 | target_stop (inferior_ptid); | |
2517 | else | |
2518 | /* The user requested an `attach', so stop all threads of this | |
2519 | inferior. */ | |
2520 | target_stop (pid_to_ptid (ptid_get_pid (inferior_ptid))); | |
2521 | } | |
2522 | ||
dc177b7a PA |
2523 | /* Some system don't generate traps when attaching to inferior. |
2524 | E.g. Mach 3 or GNU hurd. */ | |
2525 | if (!target_attach_no_wait) | |
c5aa993b | 2526 | { |
d6b48e9c PA |
2527 | struct inferior *inferior = current_inferior (); |
2528 | ||
1777feb0 | 2529 | /* Careful here. See comments in inferior.h. Basically some |
dc177b7a PA |
2530 | OSes don't ignore SIGSTOPs on continue requests anymore. We |
2531 | need a way for handle_inferior_event to reset the stop_signal | |
2532 | variable after an attach, and this is what | |
2533 | STOP_QUIETLY_NO_SIGSTOP is for. */ | |
16c381f0 | 2534 | inferior->control.stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c5aa993b | 2535 | |
dc177b7a PA |
2536 | if (target_can_async_p ()) |
2537 | { | |
2538 | /* sync_execution mode. Wait for stop. */ | |
bfec99b2 PA |
2539 | struct attach_command_continuation_args *a; |
2540 | ||
2541 | a = xmalloc (sizeof (*a)); | |
2542 | a->args = xstrdup (args); | |
2543 | a->from_tty = from_tty; | |
2544 | a->async_exec = async_exec; | |
e0ba6746 PA |
2545 | add_inferior_continuation (attach_command_continuation, a, |
2546 | attach_command_continuation_free_args); | |
dc177b7a PA |
2547 | return; |
2548 | } | |
c906108c | 2549 | |
e4c8541f | 2550 | wait_for_inferior (); |
dc177b7a | 2551 | } |
6426a772 | 2552 | |
9356cf8d | 2553 | attach_command_post_wait (args, from_tty, async_exec); |
c906108c SS |
2554 | } |
2555 | ||
1941c569 PA |
2556 | /* We had just found out that the target was already attached to an |
2557 | inferior. PTID points at a thread of this new inferior, that is | |
2558 | the most likely to be stopped right now, but not necessarily so. | |
2559 | The new inferior is assumed to be already added to the inferior | |
2560 | list at this point. If LEAVE_RUNNING, then leave the threads of | |
2561 | this inferior running, except those we've explicitly seen reported | |
2562 | as stopped. */ | |
2563 | ||
2564 | void | |
2565 | notice_new_inferior (ptid_t ptid, int leave_running, int from_tty) | |
2566 | { | |
2567 | struct cleanup* old_chain; | |
2568 | int async_exec; | |
2569 | ||
2570 | old_chain = make_cleanup (null_cleanup, NULL); | |
2571 | ||
2572 | /* If in non-stop, leave threads as running as they were. If | |
2573 | they're stopped for some reason other than us telling it to, the | |
a493e3e2 | 2574 | target reports a signal != GDB_SIGNAL_0. We don't try to |
1941c569 PA |
2575 | resume threads with such a stop signal. */ |
2576 | async_exec = non_stop; | |
2577 | ||
2578 | if (!ptid_equal (inferior_ptid, null_ptid)) | |
2579 | make_cleanup_restore_current_thread (); | |
2580 | ||
2581 | switch_to_thread (ptid); | |
2582 | ||
2583 | /* When we "notice" a new inferior we need to do all the things we | |
2584 | would normally do if we had just attached to it. */ | |
2585 | ||
2586 | if (is_executing (inferior_ptid)) | |
2587 | { | |
2588 | struct inferior *inferior = current_inferior (); | |
2589 | ||
2590 | /* We're going to install breakpoints, and poke at memory, | |
2591 | ensure that the inferior is stopped for a moment while we do | |
2592 | that. */ | |
2593 | target_stop (inferior_ptid); | |
2594 | ||
16c381f0 | 2595 | inferior->control.stop_soon = STOP_QUIETLY_REMOTE; |
1941c569 PA |
2596 | |
2597 | /* Wait for stop before proceeding. */ | |
2598 | if (target_can_async_p ()) | |
2599 | { | |
2600 | struct attach_command_continuation_args *a; | |
2601 | ||
2602 | a = xmalloc (sizeof (*a)); | |
2603 | a->args = xstrdup (""); | |
2604 | a->from_tty = from_tty; | |
2605 | a->async_exec = async_exec; | |
2606 | add_inferior_continuation (attach_command_continuation, a, | |
2607 | attach_command_continuation_free_args); | |
2608 | ||
2609 | do_cleanups (old_chain); | |
2610 | return; | |
2611 | } | |
2612 | else | |
e4c8541f | 2613 | wait_for_inferior (); |
1941c569 PA |
2614 | } |
2615 | ||
2616 | async_exec = leave_running; | |
2617 | attach_command_post_wait ("" /* args */, from_tty, async_exec); | |
2618 | ||
2619 | do_cleanups (old_chain); | |
2620 | } | |
2621 | ||
c906108c SS |
2622 | /* |
2623 | * detach_command -- | |
2624 | * takes a program previously attached to and detaches it. | |
2625 | * The program resumes execution and will no longer stop | |
2626 | * on signals, etc. We better not have left any breakpoints | |
2627 | * in the program or it'll die when it hits one. For this | |
2628 | * to work, it may be necessary for the process to have been | |
2629 | * previously attached. It *might* work if the program was | |
2630 | * started via the normal ptrace (PTRACE_TRACEME). | |
2631 | */ | |
2632 | ||
6418d433 | 2633 | void |
fba45db2 | 2634 | detach_command (char *args, int from_tty) |
c906108c | 2635 | { |
1f5d0fc9 | 2636 | dont_repeat (); /* Not for the faint of heart. */ |
d729566a PA |
2637 | |
2638 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2639 | error (_("The program is not being run.")); | |
2640 | ||
2f9d54cf PA |
2641 | query_if_trace_running (from_tty); |
2642 | ||
2643 | disconnect_tracing (); | |
d5551862 | 2644 | |
c906108c | 2645 | target_detach (args, from_tty); |
50c71eaf PA |
2646 | |
2647 | /* If the solist is global across inferiors, don't clear it when we | |
2648 | detach from a single inferior. */ | |
f5656ead | 2649 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
50c71eaf | 2650 | no_shared_libraries (NULL, from_tty); |
8a305172 | 2651 | |
c35b1492 PA |
2652 | /* If we still have inferiors to debug, then don't mess with their |
2653 | threads. */ | |
2654 | if (!have_inferiors ()) | |
8a305172 PA |
2655 | init_thread_list (); |
2656 | ||
9a4105ab AC |
2657 | if (deprecated_detach_hook) |
2658 | deprecated_detach_hook (); | |
c906108c SS |
2659 | } |
2660 | ||
6ad8ae5c DJ |
2661 | /* Disconnect from the current target without resuming it (leaving it |
2662 | waiting for a debugger). | |
2663 | ||
2664 | We'd better not have left any breakpoints in the program or the | |
2665 | next debugger will get confused. Currently only supported for some | |
2666 | remote targets, since the normal attach mechanisms don't work on | |
2667 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
2668 | ||
2669 | static void | |
2670 | disconnect_command (char *args, int from_tty) | |
2671 | { | |
1777feb0 | 2672 | dont_repeat (); /* Not for the faint of heart. */ |
2f9d54cf PA |
2673 | query_if_trace_running (from_tty); |
2674 | disconnect_tracing (); | |
6ad8ae5c | 2675 | target_disconnect (args, from_tty); |
e85a822c | 2676 | no_shared_libraries (NULL, from_tty); |
a0ef4274 | 2677 | init_thread_list (); |
9a4105ab AC |
2678 | if (deprecated_detach_hook) |
2679 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
2680 | } |
2681 | ||
77ebaa5a VP |
2682 | void |
2683 | interrupt_target_1 (int all_threads) | |
2684 | { | |
2685 | ptid_t ptid; | |
abbb1732 | 2686 | |
77ebaa5a VP |
2687 | if (all_threads) |
2688 | ptid = minus_one_ptid; | |
2689 | else | |
2690 | ptid = inferior_ptid; | |
2691 | target_stop (ptid); | |
252fbfc8 PA |
2692 | |
2693 | /* Tag the thread as having been explicitly requested to stop, so | |
2694 | other parts of gdb know not to resume this thread automatically, | |
2695 | if it was stopped due to an internal event. Limit this to | |
2696 | non-stop mode, as when debugging a multi-threaded application in | |
2697 | all-stop mode, we will only get one stop event --- it's undefined | |
2698 | which thread will report the event. */ | |
2699 | if (non_stop) | |
2700 | set_stop_requested (ptid, 1); | |
77ebaa5a VP |
2701 | } |
2702 | ||
6339bfc4 DE |
2703 | /* interrupt [-a] |
2704 | Stop the execution of the target while running in async mode, in | |
8cae4b3f PA |
2705 | the backgound. In all-stop, stop the whole process. In non-stop |
2706 | mode, stop the current thread only by default, or stop all threads | |
2707 | if the `-a' switch is used. */ | |
2708 | ||
1dd5fedc | 2709 | static void |
0a07590b | 2710 | interrupt_command (char *args, int from_tty) |
43ff13b4 | 2711 | { |
362646f5 | 2712 | if (target_can_async_p ()) |
43ff13b4 | 2713 | { |
8cae4b3f PA |
2714 | int all_threads = 0; |
2715 | ||
1777feb0 | 2716 | dont_repeat (); /* Not for the faint of heart. */ |
94cc34af | 2717 | |
8cae4b3f PA |
2718 | if (args != NULL |
2719 | && strncmp (args, "-a", sizeof ("-a") - 1) == 0) | |
2720 | all_threads = 1; | |
2721 | ||
2722 | if (!non_stop && all_threads) | |
2723 | error (_("-a is meaningless in all-stop mode.")); | |
2724 | ||
77ebaa5a | 2725 | interrupt_target_1 (all_threads); |
43ff13b4 JM |
2726 | } |
2727 | } | |
2728 | ||
c906108c | 2729 | static void |
d80b854b | 2730 | print_float_info (struct ui_file *file, |
23e3a7ac | 2731 | struct frame_info *frame, const char *args) |
c906108c | 2732 | { |
d80b854b UW |
2733 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2734 | ||
23e3a7ac AC |
2735 | if (gdbarch_print_float_info_p (gdbarch)) |
2736 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
2737 | else | |
2738 | { | |
23e3a7ac AC |
2739 | int regnum; |
2740 | int printed_something = 0; | |
ab4327e0 | 2741 | |
f57d151a | 2742 | for (regnum = 0; |
a4bd449d UW |
2743 | regnum < gdbarch_num_regs (gdbarch) |
2744 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2745 | regnum++) |
23e3a7ac | 2746 | { |
f9418c0f | 2747 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
2748 | { |
2749 | printed_something = 1; | |
23e3a7ac | 2750 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
2751 | } |
2752 | } | |
2753 | if (!printed_something) | |
3e43a32a MS |
2754 | fprintf_filtered (file, "No floating-point info " |
2755 | "available for this processor.\n"); | |
23e3a7ac AC |
2756 | } |
2757 | } | |
2758 | ||
2759 | static void | |
2760 | float_info (char *args, int from_tty) | |
2761 | { | |
206415a3 DJ |
2762 | if (!target_has_registers) |
2763 | error (_("The program has no registers now.")); | |
2764 | ||
d80b854b | 2765 | print_float_info (gdb_stdout, get_selected_frame (NULL), args); |
c906108c SS |
2766 | } |
2767 | \f | |
c906108c | 2768 | static void |
fba45db2 | 2769 | unset_command (char *args, int from_tty) |
c906108c | 2770 | { |
3e43a32a MS |
2771 | printf_filtered (_("\"unset\" must be followed by the " |
2772 | "name of an unset subcommand.\n")); | |
c906108c SS |
2773 | help_list (unsetlist, "unset ", -1, gdb_stdout); |
2774 | } | |
2775 | ||
145b16a9 UW |
2776 | /* Implement `info proc' family of commands. */ |
2777 | ||
2778 | static void | |
2779 | info_proc_cmd_1 (char *args, enum info_proc_what what, int from_tty) | |
2780 | { | |
3030c96e UW |
2781 | struct gdbarch *gdbarch = get_current_arch (); |
2782 | ||
451b7c33 TT |
2783 | if (!target_info_proc (args, what)) |
2784 | { | |
2785 | if (gdbarch_info_proc_p (gdbarch)) | |
2786 | gdbarch_info_proc (gdbarch, args, what); | |
2787 | else | |
2788 | error (_("Not supported on this target.")); | |
2789 | } | |
145b16a9 UW |
2790 | } |
2791 | ||
2792 | /* Implement `info proc' when given without any futher parameters. */ | |
2793 | ||
2794 | static void | |
2795 | info_proc_cmd (char *args, int from_tty) | |
2796 | { | |
2797 | info_proc_cmd_1 (args, IP_MINIMAL, from_tty); | |
2798 | } | |
2799 | ||
2800 | /* Implement `info proc mappings'. */ | |
2801 | ||
2802 | static void | |
2803 | info_proc_cmd_mappings (char *args, int from_tty) | |
2804 | { | |
2805 | info_proc_cmd_1 (args, IP_MAPPINGS, from_tty); | |
2806 | } | |
2807 | ||
2808 | /* Implement `info proc stat'. */ | |
2809 | ||
2810 | static void | |
2811 | info_proc_cmd_stat (char *args, int from_tty) | |
2812 | { | |
2813 | info_proc_cmd_1 (args, IP_STAT, from_tty); | |
2814 | } | |
2815 | ||
2816 | /* Implement `info proc status'. */ | |
2817 | ||
2818 | static void | |
2819 | info_proc_cmd_status (char *args, int from_tty) | |
2820 | { | |
2821 | info_proc_cmd_1 (args, IP_STATUS, from_tty); | |
2822 | } | |
2823 | ||
2824 | /* Implement `info proc cwd'. */ | |
2825 | ||
2826 | static void | |
2827 | info_proc_cmd_cwd (char *args, int from_tty) | |
2828 | { | |
2829 | info_proc_cmd_1 (args, IP_CWD, from_tty); | |
2830 | } | |
2831 | ||
2832 | /* Implement `info proc cmdline'. */ | |
2833 | ||
2834 | static void | |
2835 | info_proc_cmd_cmdline (char *args, int from_tty) | |
2836 | { | |
2837 | info_proc_cmd_1 (args, IP_CMDLINE, from_tty); | |
2838 | } | |
2839 | ||
2840 | /* Implement `info proc exe'. */ | |
2841 | ||
2842 | static void | |
2843 | info_proc_cmd_exe (char *args, int from_tty) | |
2844 | { | |
2845 | info_proc_cmd_1 (args, IP_EXE, from_tty); | |
2846 | } | |
2847 | ||
2848 | /* Implement `info proc all'. */ | |
2849 | ||
2850 | static void | |
2851 | info_proc_cmd_all (char *args, int from_tty) | |
2852 | { | |
2853 | info_proc_cmd_1 (args, IP_ALL, from_tty); | |
2854 | } | |
2855 | ||
c906108c | 2856 | void |
fba45db2 | 2857 | _initialize_infcmd (void) |
c906108c | 2858 | { |
145b16a9 | 2859 | static struct cmd_list_element *info_proc_cmdlist; |
3cb3b8df | 2860 | struct cmd_list_element *c = NULL; |
6f937416 | 2861 | const char *cmd_name; |
3cb3b8df | 2862 | |
1777feb0 | 2863 | /* Add the filename of the terminal connected to inferior I/O. */ |
3cb3b8df | 2864 | add_setshow_filename_cmd ("inferior-tty", class_run, |
3f81c18a | 2865 | &inferior_io_terminal_scratch, _("\ |
3cb3b8df BR |
2866 | Set terminal for future runs of program being debugged."), _("\ |
2867 | Show terminal for future runs of program being debugged."), _("\ | |
3f81c18a VP |
2868 | Usage: set inferior-tty /dev/pts/1"), |
2869 | set_inferior_tty_command, | |
2870 | show_inferior_tty_command, | |
2871 | &setlist, &showlist); | |
3cb3b8df | 2872 | add_com_alias ("tty", "set inferior-tty", class_alias, 0); |
c906108c | 2873 | |
6ace3df1 YQ |
2874 | cmd_name = "args"; |
2875 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
2876 | &inferior_args_scratch, _("\ | |
b4b4ac0b AC |
2877 | Set argument list to give program being debugged when it is started."), _("\ |
2878 | Show argument list to give program being debugged when it is started."), _("\ | |
2879 | Follow this command with any number of args, to be passed to the program."), | |
6ace3df1 YQ |
2880 | set_args_command, |
2881 | show_args_command, | |
2882 | &setlist, &showlist); | |
2883 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
2884 | gdb_assert (c != NULL); | |
2885 | set_cmd_completer (c, filename_completer); | |
c906108c | 2886 | |
1a966eab AC |
2887 | c = add_cmd ("environment", no_class, environment_info, _("\ |
2888 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
2889 | With an argument VAR, prints the value of environment variable VAR to\n\ |
2890 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 2891 | environment to be given to the program."), &showlist); |
5ba2abeb | 2892 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2893 | |
2894 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 2895 | _("Complement to certain \"set\" commands."), |
c906108c | 2896 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2897 | |
1a966eab AC |
2898 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
2899 | Cancel environment variable VAR for the program.\n\ | |
2900 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 2901 | &unsetlist); |
5ba2abeb | 2902 | set_cmd_completer (c, noop_completer); |
c906108c | 2903 | |
1a966eab AC |
2904 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
2905 | Set environment variable value to give the program.\n\ | |
c906108c SS |
2906 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
2907 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 2908 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 2909 | &setlist); |
5ba2abeb | 2910 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2911 | |
1bedd215 AC |
2912 | c = add_com ("path", class_files, path_command, _("\ |
2913 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2914 | $cwd in the path means the current working directory.\n\ |
2915 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2916 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
2917 | fully linked executable files and separately compiled object files as \ |
2918 | needed.")); | |
5ba2abeb | 2919 | set_cmd_completer (c, filename_completer); |
c906108c | 2920 | |
1a966eab AC |
2921 | c = add_cmd ("paths", no_class, path_info, _("\ |
2922 | Current search path for finding object files.\n\ | |
c906108c SS |
2923 | $cwd in the path means the current working directory.\n\ |
2924 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2925 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
2926 | fully linked executable files and separately compiled object files as \ |
2927 | needed."), | |
c906108c | 2928 | &showlist); |
5ba2abeb | 2929 | set_cmd_completer (c, noop_completer); |
c906108c | 2930 | |
2277426b PA |
2931 | add_prefix_cmd ("kill", class_run, kill_command, |
2932 | _("Kill execution of program being debugged."), | |
2933 | &killlist, "kill ", 0, &cmdlist); | |
5fd62852 | 2934 | |
1bedd215 AC |
2935 | add_com ("attach", class_run, attach_command, _("\ |
2936 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2937 | This command attaches to another target, of the same type as your last\n\ |
2938 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2939 | The command may take as argument a process id or a device file.\n\ | |
2940 | For a process id, you must have permission to send the process a signal,\n\ | |
2941 | and it must have the same effective uid as the debugger.\n\ | |
2942 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2943 | program running in the process, looking first in the current working\n\ | |
2944 | directory, or (if not found there) using the source file search path\n\ | |
2945 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 2946 | to specify the program, and to load its symbol table.")); |
c906108c | 2947 | |
f73adfeb | 2948 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 2949 | Detach a process or file previously attached.\n\ |
c906108c | 2950 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
2951 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
2952 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 2953 | |
1bedd215 AC |
2954 | add_com ("disconnect", class_run, disconnect_command, _("\ |
2955 | Disconnect from a target.\n\ | |
6ad8ae5c | 2956 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 2957 | all targets.")); |
6ad8ae5c | 2958 | |
de0bea00 | 2959 | c = add_com ("signal", class_run, signal_command, _("\ |
486c7739 MF |
2960 | Continue program with the specified signal.\n\ |
2961 | Usage: signal SIGNAL\n\ | |
2edda2ff | 2962 | The SIGNAL argument is processed the same as the handle command.\n\ |
486c7739 MF |
2963 | \n\ |
2964 | An argument of \"0\" means continue the program without sending it a signal.\n\ | |
2965 | This is useful in cases where the program stopped because of a signal,\n\ | |
2966 | and you want to resume the program while discarding the signal.")); | |
de0bea00 | 2967 | set_cmd_completer (c, signal_completer); |
c906108c | 2968 | |
1bedd215 AC |
2969 | add_com ("stepi", class_run, stepi_command, _("\ |
2970 | Step one instruction exactly.\n\ | |
486c7739 MF |
2971 | Usage: stepi [N]\n\ |
2972 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 2973 | reason).")); |
c906108c SS |
2974 | add_com_alias ("si", "stepi", class_alias, 0); |
2975 | ||
1bedd215 AC |
2976 | add_com ("nexti", class_run, nexti_command, _("\ |
2977 | Step one instruction, but proceed through subroutine calls.\n\ | |
486c7739 MF |
2978 | Usage: nexti [N]\n\ |
2979 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 2980 | reason).")); |
c906108c SS |
2981 | add_com_alias ("ni", "nexti", class_alias, 0); |
2982 | ||
1bedd215 AC |
2983 | add_com ("finish", class_run, finish_command, _("\ |
2984 | Execute until selected stack frame returns.\n\ | |
486c7739 | 2985 | Usage: finish\n\ |
1bedd215 | 2986 | Upon return, the value returned is printed and put in the value history.")); |
0e479716 | 2987 | add_com_alias ("fin", "finish", class_run, 1); |
c906108c | 2988 | |
1bedd215 AC |
2989 | add_com ("next", class_run, next_command, _("\ |
2990 | Step program, proceeding through subroutine calls.\n\ | |
486c7739 MF |
2991 | Usage: next [N]\n\ |
2992 | Unlike \"step\", if the current source line calls a subroutine,\n\ | |
2993 | this command does not enter the subroutine, but instead steps over\n\ | |
dbf6a605 | 2994 | the call, in effect treating it as a single source line.")); |
c906108c SS |
2995 | add_com_alias ("n", "next", class_run, 1); |
2996 | if (xdb_commands) | |
c5aa993b | 2997 | add_com_alias ("S", "next", class_run, 1); |
c906108c | 2998 | |
1bedd215 AC |
2999 | add_com ("step", class_run, step_command, _("\ |
3000 | Step program until it reaches a different source line.\n\ | |
486c7739 MF |
3001 | Usage: step [N]\n\ |
3002 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3003 | reason).")); |
c906108c SS |
3004 | add_com_alias ("s", "step", class_run, 1); |
3005 | ||
1bedd215 AC |
3006 | c = add_com ("until", class_run, until_command, _("\ |
3007 | Execute until the program reaches a source line greater than the current\n\ | |
3e43a32a MS |
3008 | or a specified location (same args as break command) within the current \ |
3009 | frame.")); | |
5ba2abeb | 3010 | set_cmd_completer (c, location_completer); |
c906108c | 3011 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 3012 | |
1bedd215 | 3013 | c = add_com ("advance", class_run, advance_command, _("\ |
3e43a32a MS |
3014 | Continue the program up to the given location (same form as args for break \ |
3015 | command).\n\ | |
1bedd215 | 3016 | Execution will also stop upon exit from the current stack frame.")); |
ae66c1fc EZ |
3017 | set_cmd_completer (c, location_completer); |
3018 | ||
1bedd215 AC |
3019 | c = add_com ("jump", class_run, jump_command, _("\ |
3020 | Continue program being debugged at specified line or address.\n\ | |
486c7739 | 3021 | Usage: jump <location>\n\ |
c906108c | 3022 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 3023 | for an address to start at.")); |
5ba2abeb | 3024 | set_cmd_completer (c, location_completer); |
c1d780c2 | 3025 | add_com_alias ("j", "jump", class_run, 1); |
c906108c | 3026 | |
b83266a0 | 3027 | if (xdb_commands) |
c94fdfd0 | 3028 | { |
1bedd215 AC |
3029 | c = add_com ("go", class_run, go_command, _("\ |
3030 | Usage: go <location>\n\ | |
c906108c SS |
3031 | Continue program being debugged, stopping at specified line or \n\ |
3032 | address.\n\ | |
3033 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
3034 | expression for an address to start at.\n\ | |
1bedd215 | 3035 | This command is a combination of tbreak and jump.")); |
5ba2abeb | 3036 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 3037 | } |
b83266a0 | 3038 | |
c906108c | 3039 | if (xdb_commands) |
c5aa993b | 3040 | add_com_alias ("g", "go", class_run, 1); |
c906108c | 3041 | |
df983543 | 3042 | add_com ("continue", class_run, continue_command, _("\ |
1bedd215 | 3043 | Continue program being debugged, after signal or breakpoint.\n\ |
486c7739 | 3044 | Usage: continue [N]\n\ |
c906108c SS |
3045 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
3046 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
8cae4b3f PA |
3047 | the breakpoint won't break until the Nth time it is reached).\n\ |
3048 | \n\ | |
3049 | If non-stop mode is enabled, continue only the current thread,\n\ | |
3050 | otherwise all the threads in the program are continued. To \n\ | |
3051 | continue all stopped threads in non-stop mode, use the -a option.\n\ | |
3052 | Specifying -a and an ignore count simultaneously is an error.")); | |
c906108c SS |
3053 | add_com_alias ("c", "cont", class_run, 1); |
3054 | add_com_alias ("fg", "cont", class_run, 1); | |
3055 | ||
1bedd215 AC |
3056 | c = add_com ("run", class_run, run_command, _("\ |
3057 | Start debugged program. You may specify arguments to give it.\n\ | |
c906108c | 3058 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ |
3e43a32a MS |
3059 | Input and output redirection with \">\", \"<\", or \">>\" are also \ |
3060 | allowed.\n\n\ | |
3061 | With no arguments, uses arguments last specified (with \"run\" \ | |
3062 | or \"set args\").\n\ | |
c906108c | 3063 | To cancel previous arguments and run with no arguments,\n\ |
1bedd215 | 3064 | use \"set args\" without arguments.")); |
5ba2abeb | 3065 | set_cmd_completer (c, filename_completer); |
c906108c SS |
3066 | add_com_alias ("r", "run", class_run, 1); |
3067 | if (xdb_commands) | |
3068 | add_com ("R", class_run, run_no_args_command, | |
1bedd215 | 3069 | _("Start debugged program with no arguments.")); |
c906108c | 3070 | |
1bedd215 | 3071 | c = add_com ("start", class_run, start_command, _("\ |
a4d5f2e0 JB |
3072 | Run the debugged program until the beginning of the main procedure.\n\ |
3073 | You may specify arguments to give to your program, just as with the\n\ | |
1bedd215 | 3074 | \"run\" command.")); |
a4d5f2e0 JB |
3075 | set_cmd_completer (c, filename_completer); |
3076 | ||
0a07590b | 3077 | add_com ("interrupt", class_run, interrupt_command, |
df983543 | 3078 | _("Interrupt the execution of the debugged program.\n\ |
8cae4b3f PA |
3079 | If non-stop mode is enabled, interrupt only the current thread,\n\ |
3080 | otherwise all the threads in the program are stopped. To \n\ | |
3081 | interrupt all running threads in non-stop mode, use the -a option.")); | |
43ff13b4 | 3082 | |
1bedd215 AC |
3083 | add_info ("registers", nofp_registers_info, _("\ |
3084 | List of integer registers and their contents, for selected stack frame.\n\ | |
3085 | Register name as argument means describe only that register.")); | |
7194c49b | 3086 | add_info_alias ("r", "registers", 1); |
c906108c SS |
3087 | |
3088 | if (xdb_commands) | |
1bedd215 AC |
3089 | add_com ("lr", class_info, nofp_registers_info, _("\ |
3090 | List of integer registers and their contents, for selected stack frame.\n\ | |
3091 | Register name as argument means describe only that register.")); | |
3092 | add_info ("all-registers", all_registers_info, _("\ | |
3093 | List of all registers and their contents, for selected stack frame.\n\ | |
3094 | Register name as argument means describe only that register.")); | |
c906108c SS |
3095 | |
3096 | add_info ("program", program_info, | |
1bedd215 | 3097 | _("Execution status of the program.")); |
c906108c SS |
3098 | |
3099 | add_info ("float", float_info, | |
1bedd215 | 3100 | _("Print the status of the floating point unit\n")); |
c906108c | 3101 | |
e76f1f2e | 3102 | add_info ("vector", vector_info, |
1bedd215 | 3103 | _("Print the status of the vector unit\n")); |
145b16a9 UW |
3104 | |
3105 | add_prefix_cmd ("proc", class_info, info_proc_cmd, | |
3106 | _("\ | |
3107 | Show /proc process information about any running process.\n\ | |
3108 | Specify any process id, or use the program being debugged by default."), | |
3109 | &info_proc_cmdlist, "info proc ", | |
3110 | 1/*allow-unknown*/, &infolist); | |
3111 | ||
3112 | add_cmd ("mappings", class_info, info_proc_cmd_mappings, _("\ | |
3113 | List of mapped memory regions."), | |
3114 | &info_proc_cmdlist); | |
3115 | ||
3116 | add_cmd ("stat", class_info, info_proc_cmd_stat, _("\ | |
3117 | List process info from /proc/PID/stat."), | |
3118 | &info_proc_cmdlist); | |
3119 | ||
3120 | add_cmd ("status", class_info, info_proc_cmd_status, _("\ | |
3121 | List process info from /proc/PID/status."), | |
3122 | &info_proc_cmdlist); | |
3123 | ||
3124 | add_cmd ("cwd", class_info, info_proc_cmd_cwd, _("\ | |
3125 | List current working directory of the process."), | |
3126 | &info_proc_cmdlist); | |
3127 | ||
3128 | add_cmd ("cmdline", class_info, info_proc_cmd_cmdline, _("\ | |
3129 | List command line arguments of the process."), | |
3130 | &info_proc_cmdlist); | |
3131 | ||
3132 | add_cmd ("exe", class_info, info_proc_cmd_exe, _("\ | |
3133 | List absolute filename for executable of the process."), | |
3134 | &info_proc_cmdlist); | |
3135 | ||
3136 | add_cmd ("all", class_info, info_proc_cmd_all, _("\ | |
3137 | List all available /proc info."), | |
3138 | &info_proc_cmdlist); | |
c906108c | 3139 | } |