Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 2 | |
28e7fd62 | 3 | Copyright (C) 1986-2013 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
5af949e3 | 21 | #include "arch-utils.h" |
c906108c SS |
22 | #include <signal.h> |
23 | #include "gdb_string.h" | |
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" | |
35 | #include "symfile.h" | |
36 | #include "objfiles.h" | |
c94fdfd0 | 37 | #include "completer.h" |
8b93c638 | 38 | #include "ui-out.h" |
6426a772 | 39 | #include "event-top.h" |
96baa820 | 40 | #include "parser-defs.h" |
36160dc4 | 41 | #include "regcache.h" |
f9418c0f | 42 | #include "reggroups.h" |
fe898f56 | 43 | #include "block.h" |
a77053c2 | 44 | #include "solib.h" |
f9418c0f | 45 | #include <ctype.h> |
92ad9cd9 | 46 | #include "gdb_assert.h" |
281b533b | 47 | #include "observer.h" |
424163ea | 48 | #include "target-descriptions.h" |
ad842144 | 49 | #include "user-regs.h" |
32c1e744 | 50 | #include "exceptions.h" |
700b53b1 | 51 | #include "cli/cli-decode.h" |
a0ef4274 | 52 | #include "gdbthread.h" |
79a45b7d | 53 | #include "valprint.h" |
edb3359d | 54 | #include "inline-frame.h" |
573cda03 | 55 | #include "tracepoint.h" |
09cee04b | 56 | #include "inf-loop.h" |
be34f849 | 57 | #include "continuations.h" |
f8eba3c6 | 58 | #include "linespec.h" |
529480d0 | 59 | #include "cli/cli-utils.h" |
d5551862 | 60 | |
a58dd373 EZ |
61 | /* Local functions: */ |
62 | ||
63 | static void nofp_registers_info (char *, int); | |
64 | ||
6a3a010b | 65 | static void print_return_value (struct value *function, |
c055b101 | 66 | struct type *value_type); |
11cf8741 | 67 | |
a14ed312 | 68 | static void until_next_command (int); |
c906108c | 69 | |
a14ed312 | 70 | static void until_command (char *, int); |
c906108c | 71 | |
a14ed312 | 72 | static void path_info (char *, int); |
c906108c | 73 | |
a14ed312 | 74 | static void path_command (char *, int); |
c906108c | 75 | |
a14ed312 | 76 | static void unset_command (char *, int); |
c906108c | 77 | |
a14ed312 | 78 | static void float_info (char *, int); |
c906108c | 79 | |
6ad8ae5c DJ |
80 | static void disconnect_command (char *, int); |
81 | ||
a14ed312 | 82 | static void unset_environment_command (char *, int); |
c906108c | 83 | |
a14ed312 | 84 | static void set_environment_command (char *, int); |
c906108c | 85 | |
a14ed312 | 86 | static void environment_info (char *, int); |
c906108c | 87 | |
a14ed312 | 88 | static void program_info (char *, int); |
c906108c | 89 | |
a14ed312 | 90 | static void finish_command (char *, int); |
c906108c | 91 | |
a14ed312 | 92 | static void signal_command (char *, int); |
c906108c | 93 | |
a14ed312 | 94 | static void jump_command (char *, int); |
c906108c | 95 | |
a14ed312 | 96 | static void step_1 (int, int, char *); |
3e43a32a MS |
97 | static void step_once (int skip_subroutines, int single_inst, |
98 | int count, int thread); | |
c906108c | 99 | |
a14ed312 | 100 | static void next_command (char *, int); |
c906108c | 101 | |
a14ed312 | 102 | static void step_command (char *, int); |
c906108c | 103 | |
a14ed312 | 104 | static void run_command (char *, int); |
c906108c | 105 | |
a14ed312 | 106 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 107 | |
a14ed312 | 108 | static void go_command (char *line_no, int from_tty); |
392a587b | 109 | |
a14ed312 | 110 | static int strip_bg_char (char **); |
43ff13b4 | 111 | |
a14ed312 | 112 | void _initialize_infcmd (void); |
c906108c | 113 | |
c906108c | 114 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 115 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c | 116 | |
3e43a32a MS |
117 | /* Scratch area where string containing arguments to give to the |
118 | program will be stored by 'set args'. As soon as anything is | |
119 | stored, notice_args_set will move it into per-inferior storage. | |
1777feb0 | 120 | Arguments are separated by spaces. Empty string (pointer to '\0') |
3e43a32a | 121 | means no args. */ |
c906108c | 122 | |
3f81c18a | 123 | static char *inferior_args_scratch; |
c906108c | 124 | |
3f81c18a VP |
125 | /* Scratch area where 'set inferior-tty' will store user-provided value. |
126 | We'll immediate copy it into per-inferior storage. */ | |
552c04a7 | 127 | |
3f81c18a | 128 | static char *inferior_io_terminal_scratch; |
c906108c SS |
129 | |
130 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
131 | Since various parts of infrun.c test this to see whether there is a program | |
132 | being debugged it should be nonzero (currently 3 is used) for remote | |
133 | debugging. */ | |
134 | ||
39f77062 | 135 | ptid_t inferior_ptid; |
c906108c | 136 | |
c906108c SS |
137 | /* Address at which inferior stopped. */ |
138 | ||
139 | CORE_ADDR stop_pc; | |
140 | ||
c906108c SS |
141 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
142 | ||
aa7d318d | 143 | enum stop_stack_kind stop_stack_dummy; |
c906108c SS |
144 | |
145 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
146 | process. */ | |
147 | ||
148 | int stopped_by_random_signal; | |
149 | ||
98882a26 PA |
150 | /* See inferior.h. */ |
151 | ||
152 | int startup_with_shell = 1; | |
153 | ||
c906108c | 154 | \f |
1777feb0 | 155 | /* Accessor routines. */ |
07091751 | 156 | |
3f81c18a VP |
157 | /* Set the io terminal for the current inferior. Ownership of |
158 | TERMINAL_NAME is not transferred. */ | |
159 | ||
3cb3b8df BR |
160 | void |
161 | set_inferior_io_terminal (const char *terminal_name) | |
162 | { | |
3f81c18a VP |
163 | xfree (current_inferior ()->terminal); |
164 | current_inferior ()->terminal = terminal_name ? xstrdup (terminal_name) : 0; | |
3cb3b8df BR |
165 | } |
166 | ||
167 | const char * | |
168 | get_inferior_io_terminal (void) | |
169 | { | |
3f81c18a VP |
170 | return current_inferior ()->terminal; |
171 | } | |
172 | ||
173 | static void | |
174 | set_inferior_tty_command (char *args, int from_tty, | |
175 | struct cmd_list_element *c) | |
176 | { | |
177 | /* CLI has assigned the user-provided value to inferior_io_terminal_scratch. | |
178 | Now route it to current inferior. */ | |
179 | set_inferior_io_terminal (inferior_io_terminal_scratch); | |
180 | } | |
181 | ||
182 | static void | |
183 | show_inferior_tty_command (struct ui_file *file, int from_tty, | |
184 | struct cmd_list_element *c, const char *value) | |
185 | { | |
186 | /* Note that we ignore the passed-in value in favor of computing it | |
187 | directly. */ | |
275f2e57 | 188 | const char *inferior_io_terminal = get_inferior_io_terminal (); |
abbb1732 | 189 | |
275f2e57 DJ |
190 | if (inferior_io_terminal == NULL) |
191 | inferior_io_terminal = ""; | |
3f81c18a | 192 | fprintf_filtered (gdb_stdout, |
275f2e57 DJ |
193 | _("Terminal for future runs of program being debugged " |
194 | "is \"%s\".\n"), inferior_io_terminal); | |
3cb3b8df BR |
195 | } |
196 | ||
07091751 FN |
197 | char * |
198 | get_inferior_args (void) | |
199 | { | |
3f81c18a | 200 | if (current_inferior ()->argc != 0) |
552c04a7 | 201 | { |
3f81c18a | 202 | char *n; |
552c04a7 | 203 | |
3f81c18a VP |
204 | n = construct_inferior_arguments (current_inferior ()->argc, |
205 | current_inferior ()->argv); | |
206 | set_inferior_args (n); | |
207 | xfree (n); | |
552c04a7 TT |
208 | } |
209 | ||
3f81c18a VP |
210 | if (current_inferior ()->args == NULL) |
211 | current_inferior ()->args = xstrdup (""); | |
552c04a7 | 212 | |
3f81c18a | 213 | return current_inferior ()->args; |
07091751 FN |
214 | } |
215 | ||
3f81c18a VP |
216 | /* Set the arguments for the current inferior. Ownership of |
217 | NEWARGS is not transferred. */ | |
218 | ||
219 | void | |
07091751 FN |
220 | set_inferior_args (char *newargs) |
221 | { | |
3f81c18a VP |
222 | xfree (current_inferior ()->args); |
223 | current_inferior ()->args = newargs ? xstrdup (newargs) : NULL; | |
224 | current_inferior ()->argc = 0; | |
225 | current_inferior ()->argv = 0; | |
07091751 | 226 | } |
c5aa993b | 227 | |
552c04a7 TT |
228 | void |
229 | set_inferior_args_vector (int argc, char **argv) | |
230 | { | |
3f81c18a VP |
231 | current_inferior ()->argc = argc; |
232 | current_inferior ()->argv = argv; | |
552c04a7 TT |
233 | } |
234 | ||
235 | /* Notice when `set args' is run. */ | |
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. */ | |
245 | static void | |
3f81c18a VP |
246 | show_args_command (struct ui_file *file, int from_tty, |
247 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 248 | { |
258c00cc TT |
249 | /* Note that we ignore the passed-in value in favor of computing it |
250 | directly. */ | |
251 | deprecated_show_value_hack (file, from_tty, c, get_inferior_args ()); | |
552c04a7 TT |
252 | } |
253 | ||
c2a727fa TT |
254 | \f |
255 | /* Compute command-line string given argument vector. This does the | |
256 | same shell processing as fork_inferior. */ | |
c2a727fa | 257 | char * |
bd57a748 | 258 | construct_inferior_arguments (int argc, char **argv) |
c2a727fa TT |
259 | { |
260 | char *result; | |
261 | ||
98882a26 | 262 | if (startup_with_shell) |
c2a727fa | 263 | { |
5d60742e EZ |
264 | #ifdef __MINGW32__ |
265 | /* This holds all the characters considered special to the | |
266 | Windows shells. */ | |
267 | char *special = "\"!&*|[]{}<>?`~^=;, \t\n"; | |
268 | const char quote = '"'; | |
269 | #else | |
c2a727fa TT |
270 | /* This holds all the characters considered special to the |
271 | typical Unix shells. We include `^' because the SunOS | |
272 | /bin/sh treats it as a synonym for `|'. */ | |
5d60742e EZ |
273 | char *special = "\"!#$&*()\\|[]{}<>?'`~^; \t\n"; |
274 | const char quote = '\''; | |
275 | #endif | |
c2a727fa TT |
276 | int i; |
277 | int length = 0; | |
278 | char *out, *cp; | |
279 | ||
280 | /* We over-compute the size. It shouldn't matter. */ | |
281 | for (i = 0; i < argc; ++i) | |
c2226152 | 282 | length += 3 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
283 | |
284 | result = (char *) xmalloc (length); | |
285 | out = result; | |
286 | ||
287 | for (i = 0; i < argc; ++i) | |
288 | { | |
289 | if (i > 0) | |
290 | *out++ = ' '; | |
291 | ||
03c6228e AS |
292 | /* Need to handle empty arguments specially. */ |
293 | if (argv[i][0] == '\0') | |
c2a727fa | 294 | { |
5d60742e EZ |
295 | *out++ = quote; |
296 | *out++ = quote; | |
03c6228e AS |
297 | } |
298 | else | |
299 | { | |
5d60742e EZ |
300 | #ifdef __MINGW32__ |
301 | int quoted = 0; | |
302 | ||
303 | if (strpbrk (argv[i], special)) | |
304 | { | |
305 | quoted = 1; | |
306 | *out++ = quote; | |
307 | } | |
308 | #endif | |
03c6228e AS |
309 | for (cp = argv[i]; *cp; ++cp) |
310 | { | |
c2226152 AS |
311 | if (*cp == '\n') |
312 | { | |
313 | /* A newline cannot be quoted with a backslash (it | |
314 | just disappears), only by putting it inside | |
315 | quotes. */ | |
5d60742e | 316 | *out++ = quote; |
c2226152 | 317 | *out++ = '\n'; |
5d60742e | 318 | *out++ = quote; |
c2226152 AS |
319 | } |
320 | else | |
321 | { | |
5d60742e EZ |
322 | #ifdef __MINGW32__ |
323 | if (*cp == quote) | |
324 | #else | |
c2226152 | 325 | if (strchr (special, *cp) != NULL) |
5d60742e | 326 | #endif |
c2226152 AS |
327 | *out++ = '\\'; |
328 | *out++ = *cp; | |
329 | } | |
03c6228e | 330 | } |
5d60742e EZ |
331 | #ifdef __MINGW32__ |
332 | if (quoted) | |
333 | *out++ = quote; | |
334 | #endif | |
c2a727fa TT |
335 | } |
336 | } | |
337 | *out = '\0'; | |
338 | } | |
339 | else | |
340 | { | |
341 | /* In this case we can't handle arguments that contain spaces, | |
342 | tabs, or newlines -- see breakup_args(). */ | |
343 | int i; | |
344 | int length = 0; | |
345 | ||
346 | for (i = 0; i < argc; ++i) | |
347 | { | |
348 | char *cp = strchr (argv[i], ' '); | |
349 | if (cp == NULL) | |
350 | cp = strchr (argv[i], '\t'); | |
351 | if (cp == NULL) | |
352 | cp = strchr (argv[i], '\n'); | |
353 | if (cp != NULL) | |
3e43a32a MS |
354 | error (_("can't handle command-line " |
355 | "argument containing whitespace")); | |
c2a727fa TT |
356 | length += strlen (argv[i]) + 1; |
357 | } | |
358 | ||
359 | result = (char *) xmalloc (length); | |
360 | result[0] = '\0'; | |
361 | for (i = 0; i < argc; ++i) | |
362 | { | |
363 | if (i > 0) | |
364 | strcat (result, " "); | |
365 | strcat (result, argv[i]); | |
366 | } | |
367 | } | |
368 | ||
369 | return result; | |
370 | } | |
552c04a7 TT |
371 | \f |
372 | ||
43ff13b4 JM |
373 | /* This function detects whether or not a '&' character (indicating |
374 | background execution) has been added as *the last* of the arguments ARGS | |
1777feb0 MS |
375 | of a command. If it has, it removes it and returns 1. Otherwise it |
376 | does nothing and returns 0. */ | |
c5aa993b | 377 | static int |
fba45db2 | 378 | strip_bg_char (char **args) |
43ff13b4 JM |
379 | { |
380 | char *p = NULL; | |
c5aa993b | 381 | |
9846de1b | 382 | p = strchr (*args, '&'); |
c5aa993b | 383 | |
9846de1b | 384 | if (p) |
43ff13b4 JM |
385 | { |
386 | if (p == (*args + strlen (*args) - 1)) | |
387 | { | |
c5aa993b | 388 | if (strlen (*args) > 1) |
43ff13b4 JM |
389 | { |
390 | do | |
391 | p--; | |
392 | while (*p == ' ' || *p == '\t'); | |
393 | *(p + 1) = '\0'; | |
394 | } | |
395 | else | |
396 | *args = 0; | |
397 | return 1; | |
398 | } | |
399 | } | |
400 | return 0; | |
401 | } | |
402 | ||
281b533b DJ |
403 | /* Common actions to take after creating any sort of inferior, by any |
404 | means (running, attaching, connecting, et cetera). The target | |
405 | should be stopped. */ | |
406 | ||
407 | void | |
408 | post_create_inferior (struct target_ops *target, int from_tty) | |
409 | { | |
ce406537 PA |
410 | volatile struct gdb_exception ex; |
411 | ||
b79599ff DP |
412 | /* Be sure we own the terminal in case write operations are performed. */ |
413 | target_terminal_ours (); | |
414 | ||
424163ea DJ |
415 | /* If the target hasn't taken care of this already, do it now. |
416 | Targets which need to access registers during to_open, | |
417 | to_create_inferior, or to_attach should do it earlier; but many | |
418 | don't need to. */ | |
419 | target_find_description (); | |
420 | ||
ce406537 PA |
421 | /* Now that we know the register layout, retrieve current PC. But |
422 | if the PC is unavailable (e.g., we're opening a core file with | |
423 | missing registers info), ignore it. */ | |
424 | stop_pc = 0; | |
425 | TRY_CATCH (ex, RETURN_MASK_ERROR) | |
426 | { | |
427 | stop_pc = regcache_read_pc (get_current_regcache ()); | |
428 | } | |
429 | if (ex.reason < 0 && ex.error != NOT_AVAILABLE_ERROR) | |
430 | throw_exception (ex); | |
f698437e | 431 | |
50c71eaf PA |
432 | if (exec_bfd) |
433 | { | |
2eff07b3 PP |
434 | const unsigned solib_add_generation |
435 | = current_program_space->solib_add_generation; | |
436 | ||
9353355f DJ |
437 | /* Create the hooks to handle shared library load and unload |
438 | events. */ | |
268a4a75 | 439 | solib_create_inferior_hook (from_tty); |
268a4a75 | 440 | |
2eff07b3 PP |
441 | if (current_program_space->solib_add_generation == solib_add_generation) |
442 | { | |
443 | /* The platform-specific hook should load initial shared libraries, | |
444 | but didn't. FROM_TTY will be incorrectly 0 but such solib | |
445 | targets should be fixed anyway. Call it only after the solib | |
446 | target has been initialized by solib_create_inferior_hook. */ | |
447 | ||
448 | if (info_verbose) | |
449 | warning (_("platform-specific solib_create_inferior_hook did " | |
450 | "not load initial shared libraries.")); | |
451 | ||
452 | /* If the solist is global across processes, there's no need to | |
453 | refetch it here. */ | |
f5656ead | 454 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
4d1eb6b4 | 455 | solib_add (NULL, 0, target, auto_solib_add); |
2eff07b3 | 456 | } |
9353355f DJ |
457 | } |
458 | ||
ea5d7a99 PM |
459 | /* If the user sets watchpoints before execution having started, |
460 | then she gets software watchpoints, because GDB can't know which | |
461 | target will end up being pushed, or if it supports hardware | |
462 | watchpoints or not. breakpoint_re_set takes care of promoting | |
463 | watchpoints to hardware watchpoints if possible, however, if this | |
464 | new inferior doesn't load shared libraries or we don't pull in | |
465 | symbols from any other source on this target/arch, | |
466 | breakpoint_re_set is never called. Call it now so that software | |
467 | watchpoints get a chance to be promoted to hardware watchpoints | |
468 | if the now pushed target supports hardware watchpoints. */ | |
469 | breakpoint_re_set (); | |
470 | ||
281b533b DJ |
471 | observer_notify_inferior_created (target, from_tty); |
472 | } | |
473 | ||
a4d5f2e0 JB |
474 | /* Kill the inferior if already running. This function is designed |
475 | to be called when we are about to start the execution of the program | |
476 | from the beginning. Ask the user to confirm that he wants to restart | |
477 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 478 | |
8edfe269 | 479 | static void |
a4d5f2e0 JB |
480 | kill_if_already_running (int from_tty) |
481 | { | |
39f77062 | 482 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 483 | { |
8edfe269 DJ |
484 | /* Bail out before killing the program if we will not be able to |
485 | restart it. */ | |
486 | target_require_runnable (); | |
487 | ||
adf40b2e | 488 | if (from_tty |
9e2f0ad4 HZ |
489 | && !query (_("The program being debugged has been started already.\n\ |
490 | Start it from the beginning? "))) | |
8a3fe4f8 | 491 | error (_("Program not restarted.")); |
c906108c | 492 | target_kill (); |
c906108c | 493 | } |
a4d5f2e0 JB |
494 | } |
495 | ||
1777feb0 | 496 | /* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert |
f67a969f JB |
497 | a temporary breakpoint at the begining of the main program before |
498 | running the program. */ | |
499 | ||
a4d5f2e0 | 500 | static void |
f67a969f | 501 | run_command_1 (char *args, int from_tty, int tbreak_at_main) |
a4d5f2e0 JB |
502 | { |
503 | char *exec_file; | |
29f49a6a PA |
504 | struct cleanup *old_chain; |
505 | ptid_t ptid; | |
79a45e25 | 506 | struct ui_out *uiout = current_uiout; |
c906108c | 507 | |
a4d5f2e0 JB |
508 | dont_repeat (); |
509 | ||
510 | kill_if_already_running (from_tty); | |
3c35e65b UW |
511 | |
512 | init_wait_for_inferior (); | |
c906108c SS |
513 | clear_breakpoint_hit_counts (); |
514 | ||
fd79ecee DJ |
515 | /* Clean up any leftovers from other runs. Some other things from |
516 | this function should probably be moved into target_pre_inferior. */ | |
517 | target_pre_inferior (from_tty); | |
518 | ||
39ad761d JB |
519 | /* The comment here used to read, "The exec file is re-read every |
520 | time we do a generic_mourn_inferior, so we just have to worry | |
521 | about the symbol file." The `generic_mourn_inferior' function | |
522 | gets called whenever the program exits. However, suppose the | |
523 | program exits, and *then* the executable file changes? We need | |
524 | to check again here. Since reopen_exec_file doesn't do anything | |
525 | if the timestamp hasn't changed, I don't see the harm. */ | |
526 | reopen_exec_file (); | |
c906108c SS |
527 | reread_symbols (); |
528 | ||
f67a969f JB |
529 | /* Insert the temporary breakpoint if a location was specified. */ |
530 | if (tbreak_at_main) | |
531 | tbreak_command (main_name (), 0); | |
532 | ||
39ad761d JB |
533 | exec_file = (char *) get_exec_file (0); |
534 | ||
9908b566 VP |
535 | if (non_stop && !target_supports_non_stop ()) |
536 | error (_("The target does not support running in non-stop mode.")); | |
537 | ||
c906108c SS |
538 | /* We keep symbols from add-symbol-file, on the grounds that the |
539 | user might want to add some symbols before running the program | |
540 | (right?). But sometimes (dynamic loading where the user manually | |
541 | introduces the new symbols with add-symbol-file), the code which | |
542 | the symbols describe does not persist between runs. Currently | |
543 | the user has to manually nuke all symbols between runs if they | |
544 | want them to go away (PR 2207). This is probably reasonable. */ | |
545 | ||
43ff13b4 | 546 | if (!args) |
6426a772 | 547 | { |
362646f5 | 548 | if (target_can_async_p ()) |
6426a772 JM |
549 | async_disable_stdin (); |
550 | } | |
43ff13b4 | 551 | else |
c906108c | 552 | { |
43ff13b4 JM |
553 | int async_exec = strip_bg_char (&args); |
554 | ||
555 | /* If we get a request for running in the bg but the target | |
1777feb0 | 556 | doesn't support it, error out. */ |
362646f5 | 557 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 558 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
559 | |
560 | /* If we don't get a request of running in the bg, then we need | |
1777feb0 | 561 | to simulate synchronous (fg) execution. */ |
362646f5 | 562 | if (!async_exec && target_can_async_p ()) |
43ff13b4 | 563 | { |
1777feb0 | 564 | /* Simulate synchronous execution. */ |
6426a772 | 565 | async_disable_stdin (); |
43ff13b4 JM |
566 | } |
567 | ||
1777feb0 | 568 | /* If there were other args, beside '&', process them. */ |
43ff13b4 | 569 | if (args) |
3f81c18a | 570 | set_inferior_args (args); |
c906108c SS |
571 | } |
572 | ||
573 | if (from_tty) | |
574 | { | |
8b93c638 JM |
575 | ui_out_field_string (uiout, NULL, "Starting program"); |
576 | ui_out_text (uiout, ": "); | |
577 | if (exec_file) | |
578 | ui_out_field_string (uiout, "execfile", exec_file); | |
579 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
580 | /* We call get_inferior_args() because we might need to compute |
581 | the value now. */ | |
582 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
583 | ui_out_text (uiout, "\n"); |
584 | ui_out_flush (uiout); | |
c906108c SS |
585 | } |
586 | ||
552c04a7 TT |
587 | /* We call get_inferior_args() because we might need to compute |
588 | the value now. */ | |
589 | target_create_inferior (exec_file, get_inferior_args (), | |
3e43a32a MS |
590 | environ_vector (current_inferior ()->environment), |
591 | from_tty); | |
281b533b | 592 | |
29f49a6a PA |
593 | /* We're starting off a new process. When we get out of here, in |
594 | non-stop mode, finish the state of all threads of that process, | |
595 | but leave other threads alone, as they may be stopped in internal | |
596 | events --- the frontend shouldn't see them as stopped. In | |
597 | all-stop, always finish the state of all threads, as we may be | |
598 | resuming more than just the new process. */ | |
599 | if (non_stop) | |
600 | ptid = pid_to_ptid (ptid_get_pid (inferior_ptid)); | |
601 | else | |
602 | ptid = minus_one_ptid; | |
603 | old_chain = make_cleanup (finish_thread_state_cleanup, &ptid); | |
604 | ||
de1b3c3d PA |
605 | /* Pass zero for FROM_TTY, because at this point the "run" command |
606 | has done its thing; now we are setting up the running program. */ | |
607 | post_create_inferior (¤t_target, 0); | |
281b533b | 608 | |
74d1f91e JK |
609 | /* Start the target running. Do not use -1 continuation as it would skip |
610 | breakpoint right at the entry point. */ | |
a493e3e2 | 611 | proceed (regcache_read_pc (get_current_regcache ()), GDB_SIGNAL_0, 0); |
c906108c | 612 | |
29f49a6a PA |
613 | /* Since there was no error, there's no need to finish the thread |
614 | states here. */ | |
615 | discard_cleanups (old_chain); | |
616 | } | |
c906108c | 617 | |
f67a969f JB |
618 | static void |
619 | run_command (char *args, int from_tty) | |
620 | { | |
621 | run_command_1 (args, from_tty, 0); | |
622 | } | |
623 | ||
c906108c | 624 | static void |
fba45db2 | 625 | run_no_args_command (char *args, int from_tty) |
c906108c | 626 | { |
3f81c18a | 627 | set_inferior_args (""); |
c906108c | 628 | } |
c906108c | 629 | \f |
c5aa993b | 630 | |
a4d5f2e0 JB |
631 | /* Start the execution of the program up until the beginning of the main |
632 | program. */ | |
633 | ||
634 | static void | |
635 | start_command (char *args, int from_tty) | |
636 | { | |
637 | /* Some languages such as Ada need to search inside the program | |
638 | minimal symbols for the location where to put the temporary | |
639 | breakpoint before starting. */ | |
640 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 641 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 642 | |
f67a969f JB |
643 | /* Run the program until reaching the main procedure... */ |
644 | run_command_1 (args, from_tty, 1); | |
a4d5f2e0 JB |
645 | } |
646 | ||
8cae4b3f PA |
647 | static int |
648 | proceed_thread_callback (struct thread_info *thread, void *arg) | |
649 | { | |
74531fed PA |
650 | /* We go through all threads individually instead of compressing |
651 | into a single target `resume_all' request, because some threads | |
652 | may be stopped in internal breakpoints/events, or stopped waiting | |
653 | for its turn in the displaced stepping queue (that is, they are | |
654 | running && !executing). The target side has no idea about why | |
655 | the thread is stopped, so a `resume_all' command would resume too | |
656 | much. If/when GDB gains a way to tell the target `hold this | |
657 | thread stopped until I say otherwise', then we can optimize | |
658 | this. */ | |
4f8d22e3 | 659 | if (!is_stopped (thread->ptid)) |
8cae4b3f PA |
660 | return 0; |
661 | ||
dcf4fbde | 662 | switch_to_thread (thread->ptid); |
8cae4b3f | 663 | clear_proceed_status (); |
a493e3e2 | 664 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
8cae4b3f PA |
665 | return 0; |
666 | } | |
667 | ||
70221824 | 668 | static void |
d729566a PA |
669 | ensure_valid_thread (void) |
670 | { | |
671 | if (ptid_equal (inferior_ptid, null_ptid) | |
672 | || is_exited (inferior_ptid)) | |
3e43a32a | 673 | error (_("Cannot execute this command without a live selected thread.")); |
d729566a PA |
674 | } |
675 | ||
573cda03 | 676 | /* If the user is looking at trace frames, any resumption of execution |
1777feb0 | 677 | is likely to mix up recorded and live target data. So simply |
573cda03 SS |
678 | disallow those commands. */ |
679 | ||
70221824 | 680 | static void |
573cda03 SS |
681 | ensure_not_tfind_mode (void) |
682 | { | |
683 | if (get_traceframe_number () >= 0) | |
3e43a32a | 684 | error (_("Cannot execute this command while looking at trace frames.")); |
573cda03 SS |
685 | } |
686 | ||
3d3fef6b YQ |
687 | /* Throw an error indicating the current thread is running. */ |
688 | ||
689 | static void | |
690 | error_is_running (void) | |
691 | { | |
692 | error (_("Cannot execute this command while " | |
693 | "the selected thread is running.")); | |
694 | } | |
695 | ||
696 | /* Calls error_is_running if the current thread is running. */ | |
697 | ||
698 | static void | |
699 | ensure_not_running (void) | |
700 | { | |
701 | if (is_running (inferior_ptid)) | |
702 | error_is_running (); | |
703 | } | |
704 | ||
77ebaa5a VP |
705 | void |
706 | continue_1 (int all_threads) | |
707 | { | |
3d488bfc | 708 | ERROR_NO_INFERIOR; |
573cda03 | 709 | ensure_not_tfind_mode (); |
3d488bfc | 710 | |
77ebaa5a VP |
711 | if (non_stop && all_threads) |
712 | { | |
713 | /* Don't error out if the current thread is running, because | |
abbb1732 | 714 | there may be other stopped threads. */ |
77ebaa5a VP |
715 | struct cleanup *old_chain; |
716 | ||
717 | /* Backup current thread and selected frame. */ | |
718 | old_chain = make_cleanup_restore_current_thread (); | |
719 | ||
720 | iterate_over_threads (proceed_thread_callback, NULL); | |
721 | ||
722 | /* Restore selected ptid. */ | |
723 | do_cleanups (old_chain); | |
724 | } | |
725 | else | |
726 | { | |
d729566a | 727 | ensure_valid_thread (); |
77ebaa5a VP |
728 | ensure_not_running (); |
729 | clear_proceed_status (); | |
a493e3e2 | 730 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
77ebaa5a VP |
731 | } |
732 | } | |
733 | ||
8cae4b3f | 734 | /* continue [-a] [proceed-count] [&] */ |
1dd5fedc | 735 | static void |
8cae4b3f | 736 | continue_command (char *args, int from_tty) |
c906108c | 737 | { |
c5aa993b | 738 | int async_exec = 0; |
8cae4b3f | 739 | int all_threads = 0; |
c906108c SS |
740 | ERROR_NO_INFERIOR; |
741 | ||
1777feb0 | 742 | /* Find out whether we must run in the background. */ |
8cae4b3f PA |
743 | if (args != NULL) |
744 | async_exec = strip_bg_char (&args); | |
43ff13b4 JM |
745 | |
746 | /* If we must run in the background, but the target can't do it, | |
1777feb0 | 747 | error out. */ |
362646f5 | 748 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 749 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
750 | |
751 | /* If we are not asked to run in the bg, then prepare to run in the | |
1777feb0 | 752 | foreground, synchronously. */ |
362646f5 | 753 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 754 | { |
1777feb0 | 755 | /* Simulate synchronous execution. */ |
6426a772 | 756 | async_disable_stdin (); |
43ff13b4 | 757 | } |
c906108c | 758 | |
8cae4b3f PA |
759 | if (args != NULL) |
760 | { | |
761 | if (strncmp (args, "-a", sizeof ("-a") - 1) == 0) | |
762 | { | |
763 | all_threads = 1; | |
764 | args += sizeof ("-a") - 1; | |
765 | if (*args == '\0') | |
766 | args = NULL; | |
767 | } | |
768 | } | |
769 | ||
770 | if (!non_stop && all_threads) | |
771 | error (_("`-a' is meaningless in all-stop mode.")); | |
772 | ||
773 | if (args != NULL && all_threads) | |
3e43a32a MS |
774 | error (_("Can't resume all threads and specify " |
775 | "proceed count simultaneously.")); | |
8cae4b3f PA |
776 | |
777 | /* If we have an argument left, set proceed count of breakpoint we | |
778 | stopped at. */ | |
779 | if (args != NULL) | |
c906108c | 780 | { |
347bddb7 | 781 | bpstat bs = NULL; |
8671a17b PA |
782 | int num, stat; |
783 | int stopped = 0; | |
347bddb7 PA |
784 | struct thread_info *tp; |
785 | ||
786 | if (non_stop) | |
e09875d4 | 787 | tp = find_thread_ptid (inferior_ptid); |
347bddb7 PA |
788 | else |
789 | { | |
790 | ptid_t last_ptid; | |
791 | struct target_waitstatus ws; | |
792 | ||
793 | get_last_target_status (&last_ptid, &ws); | |
e09875d4 | 794 | tp = find_thread_ptid (last_ptid); |
347bddb7 PA |
795 | } |
796 | if (tp != NULL) | |
16c381f0 | 797 | bs = tp->control.stop_bpstat; |
8671a17b PA |
798 | |
799 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
800 | if (stat > 0) | |
801 | { | |
802 | set_ignore_count (num, | |
8cae4b3f | 803 | parse_and_eval_long (args) - 1, |
8671a17b PA |
804 | from_tty); |
805 | /* set_ignore_count prints a message ending with a period. | |
806 | So print two spaces before "Continuing.". */ | |
807 | if (from_tty) | |
808 | printf_filtered (" "); | |
809 | stopped = 1; | |
810 | } | |
811 | ||
812 | if (!stopped && from_tty) | |
c906108c SS |
813 | { |
814 | printf_filtered | |
815 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
816 | } | |
c906108c SS |
817 | } |
818 | ||
819 | if (from_tty) | |
a3f17187 | 820 | printf_filtered (_("Continuing.\n")); |
c906108c | 821 | |
77ebaa5a | 822 | continue_1 (all_threads); |
c906108c SS |
823 | } |
824 | \f | |
edb3359d DJ |
825 | /* Record the starting point of a "step" or "next" command. */ |
826 | ||
827 | static void | |
828 | set_step_frame (void) | |
829 | { | |
830 | struct symtab_and_line sal; | |
831 | ||
832 | find_frame_sal (get_current_frame (), &sal); | |
833 | set_step_info (get_current_frame (), sal); | |
834 | } | |
835 | ||
c906108c SS |
836 | /* Step until outside of current statement. */ |
837 | ||
c906108c | 838 | static void |
fba45db2 | 839 | step_command (char *count_string, int from_tty) |
c906108c SS |
840 | { |
841 | step_1 (0, 0, count_string); | |
842 | } | |
843 | ||
844 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
845 | ||
c906108c | 846 | static void |
fba45db2 | 847 | next_command (char *count_string, int from_tty) |
c906108c SS |
848 | { |
849 | step_1 (1, 0, count_string); | |
850 | } | |
851 | ||
852 | /* Likewise, but step only one instruction. */ | |
853 | ||
1dd5fedc | 854 | static void |
fba45db2 | 855 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
856 | { |
857 | step_1 (0, 1, count_string); | |
858 | } | |
859 | ||
1dd5fedc | 860 | static void |
fba45db2 | 861 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
862 | { |
863 | step_1 (1, 1, count_string); | |
864 | } | |
865 | ||
186c406b | 866 | void |
611c83ae | 867 | delete_longjmp_breakpoint_cleanup (void *arg) |
74b7792f | 868 | { |
611c83ae PA |
869 | int thread = * (int *) arg; |
870 | delete_longjmp_breakpoint (thread); | |
74b7792f AC |
871 | } |
872 | ||
c906108c | 873 | static void |
fba45db2 | 874 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 875 | { |
52f0bd74 | 876 | int count = 1; |
f107f563 | 877 | struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); |
43ff13b4 | 878 | int async_exec = 0; |
b3dc826b | 879 | int thread = -1; |
c5aa993b | 880 | |
c906108c | 881 | ERROR_NO_INFERIOR; |
573cda03 | 882 | ensure_not_tfind_mode (); |
d729566a | 883 | ensure_valid_thread (); |
94cc34af | 884 | ensure_not_running (); |
43ff13b4 JM |
885 | |
886 | if (count_string) | |
887 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 888 | |
43ff13b4 | 889 | /* If we get a request for running in the bg but the target |
1777feb0 | 890 | doesn't support it, error out. */ |
362646f5 | 891 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 892 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
893 | |
894 | /* If we don't get a request of running in the bg, then we need | |
1777feb0 | 895 | to simulate synchronous (fg) execution. */ |
362646f5 | 896 | if (!async_exec && target_can_async_p ()) |
43ff13b4 | 897 | { |
1777feb0 | 898 | /* Simulate synchronous execution. */ |
6426a772 | 899 | async_disable_stdin (); |
43ff13b4 JM |
900 | } |
901 | ||
bb518678 | 902 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 903 | |
1777feb0 | 904 | if (!single_inst || skip_subroutines) /* Leave si command alone. */ |
c906108c | 905 | { |
186c406b TT |
906 | struct thread_info *tp = inferior_thread (); |
907 | ||
611c83ae | 908 | if (in_thread_list (inferior_ptid)) |
b3dc826b | 909 | thread = pid_to_thread_id (inferior_ptid); |
611c83ae | 910 | |
186c406b | 911 | set_longjmp_breakpoint (tp, get_frame_id (get_current_frame ())); |
611c83ae | 912 | |
b3dc826b | 913 | make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); |
c2d11a7d JM |
914 | } |
915 | ||
37d94800 | 916 | /* In synchronous case, all is well; each step_once call will step once. */ |
362646f5 | 917 | if (!target_can_async_p ()) |
c2d11a7d JM |
918 | { |
919 | for (; count > 0; count--) | |
920 | { | |
37d94800 | 921 | step_once (skip_subroutines, single_inst, count, thread); |
c2d11a7d | 922 | |
751b8ce1 PA |
923 | if (!target_has_execution) |
924 | break; | |
c2d11a7d JM |
925 | else |
926 | { | |
751b8ce1 PA |
927 | struct thread_info *tp = inferior_thread (); |
928 | ||
929 | if (!tp->control.stop_step || !tp->step_multi) | |
930 | { | |
931 | /* If we stopped for some reason that is not stepping | |
932 | there are no further steps to make. */ | |
933 | tp->step_multi = 0; | |
934 | break; | |
935 | } | |
c2d11a7d | 936 | } |
c2d11a7d JM |
937 | } |
938 | ||
f107f563 | 939 | do_cleanups (cleanups); |
c2d11a7d | 940 | } |
c2d11a7d JM |
941 | else |
942 | { | |
37d94800 PA |
943 | /* In the case of an asynchronous target things get complicated; |
944 | do only one step for now, before returning control to the | |
945 | event loop. Let the continuation figure out how many other | |
946 | steps we need to do, and handle them one at the time, through | |
947 | step_once. */ | |
b3dc826b | 948 | step_once (skip_subroutines, single_inst, count, thread); |
37d94800 | 949 | |
611c83ae | 950 | /* We are running, and the continuation is installed. It will |
f107f563 VP |
951 | disable the longjmp breakpoint as appropriate. */ |
952 | discard_cleanups (cleanups); | |
c906108c | 953 | } |
c2d11a7d | 954 | } |
c906108c | 955 | |
bfec99b2 PA |
956 | struct step_1_continuation_args |
957 | { | |
958 | int count; | |
959 | int skip_subroutines; | |
960 | int single_inst; | |
961 | int thread; | |
962 | }; | |
963 | ||
c2d11a7d JM |
964 | /* Called after we are done with one step operation, to check whether |
965 | we need to step again, before we print the prompt and return control | |
1777feb0 MS |
966 | to the user. If count is > 1, we will need to do one more call to |
967 | proceed(), via step_once(). Basically it is like step_once and | |
968 | step_1_continuation are co-recursive. */ | |
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 | ||
1134 | /* If we must run in the background, but the target can't do it, | |
1777feb0 | 1135 | error out. */ |
362646f5 | 1136 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1137 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 | 1138 | |
c906108c | 1139 | if (!arg) |
e2e0b3e5 | 1140 | error_no_arg (_("starting address")); |
c906108c | 1141 | |
39cf75f7 | 1142 | sals = decode_line_with_last_displayed (arg, DECODE_LINE_FUNFIRSTLINE); |
c906108c SS |
1143 | if (sals.nelts != 1) |
1144 | { | |
8a3fe4f8 | 1145 | error (_("Unreasonable jump request")); |
c906108c SS |
1146 | } |
1147 | ||
1148 | sal = sals.sals[0]; | |
b8c9b27d | 1149 | xfree (sals.sals); |
c906108c SS |
1150 | |
1151 | if (sal.symtab == 0 && sal.pc == 0) | |
8a3fe4f8 | 1152 | error (_("No source file has been specified.")); |
c906108c | 1153 | |
1777feb0 | 1154 | resolve_sal_pc (&sal); /* May error out. */ |
c906108c | 1155 | |
1777feb0 | 1156 | /* See if we are trying to jump to another function. */ |
c906108c SS |
1157 | fn = get_frame_function (get_current_frame ()); |
1158 | sfn = find_pc_function (sal.pc); | |
1159 | if (fn != NULL && sfn != fn) | |
1160 | { | |
9e2f0ad4 | 1161 | if (!query (_("Line %d is not in `%s'. Jump anyway? "), sal.line, |
de5ad195 | 1162 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 1163 | { |
8a3fe4f8 | 1164 | error (_("Not confirmed.")); |
c906108c SS |
1165 | /* NOTREACHED */ |
1166 | } | |
1167 | } | |
1168 | ||
c5aa993b | 1169 | if (sfn != NULL) |
c906108c SS |
1170 | { |
1171 | fixup_symbol_section (sfn, 0); | |
e27d198c TT |
1172 | if (section_is_overlay (SYMBOL_OBJ_SECTION (SYMBOL_OBJFILE (sfn), sfn)) && |
1173 | !section_is_mapped (SYMBOL_OBJ_SECTION (SYMBOL_OBJFILE (sfn), sfn))) | |
c906108c | 1174 | { |
3e43a32a MS |
1175 | if (!query (_("WARNING!!! Destination is in " |
1176 | "unmapped overlay! Jump anyway? "))) | |
c906108c | 1177 | { |
8a3fe4f8 | 1178 | error (_("Not confirmed.")); |
c906108c SS |
1179 | /* NOTREACHED */ |
1180 | } | |
1181 | } | |
1182 | } | |
1183 | ||
c906108c SS |
1184 | addr = sal.pc; |
1185 | ||
1186 | if (from_tty) | |
1187 | { | |
a3f17187 | 1188 | printf_filtered (_("Continuing at ")); |
5af949e3 | 1189 | fputs_filtered (paddress (gdbarch, addr), gdb_stdout); |
c906108c SS |
1190 | printf_filtered (".\n"); |
1191 | } | |
1192 | ||
89113898 | 1193 | /* If we are not asked to run in the bg, then prepare to run in the |
1777feb0 | 1194 | foreground, synchronously. */ |
89113898 PA |
1195 | if (!async_exec && target_can_async_p ()) |
1196 | { | |
1777feb0 | 1197 | /* Simulate synchronous execution. */ |
89113898 PA |
1198 | async_disable_stdin (); |
1199 | } | |
1200 | ||
c906108c | 1201 | clear_proceed_status (); |
a493e3e2 | 1202 | proceed (addr, GDB_SIGNAL_0, 0); |
c906108c | 1203 | } |
c906108c | 1204 | \f |
c5aa993b | 1205 | |
1777feb0 | 1206 | /* Go to line or address in current procedure. */ |
c906108c | 1207 | static void |
fba45db2 | 1208 | go_command (char *line_no, int from_tty) |
c906108c | 1209 | { |
c5aa993b | 1210 | if (line_no == (char *) NULL || !*line_no) |
f42429a6 | 1211 | printf_filtered (_("Usage: go <location>\n")); |
c906108c SS |
1212 | else |
1213 | { | |
b83266a0 SS |
1214 | tbreak_command (line_no, from_tty); |
1215 | jump_command (line_no, from_tty); | |
c906108c SS |
1216 | } |
1217 | } | |
c906108c | 1218 | \f |
c5aa993b | 1219 | |
c906108c SS |
1220 | /* Continue program giving it specified signal. */ |
1221 | ||
1222 | static void | |
fba45db2 | 1223 | signal_command (char *signum_exp, int from_tty) |
c906108c | 1224 | { |
2ea28649 | 1225 | enum gdb_signal oursig; |
32c1e744 | 1226 | int async_exec = 0; |
c906108c SS |
1227 | |
1228 | dont_repeat (); /* Too dangerous. */ | |
1229 | ERROR_NO_INFERIOR; | |
573cda03 | 1230 | ensure_not_tfind_mode (); |
d729566a | 1231 | ensure_valid_thread (); |
94cc34af | 1232 | ensure_not_running (); |
c906108c | 1233 | |
32c1e744 VP |
1234 | /* Find out whether we must run in the background. */ |
1235 | if (signum_exp != NULL) | |
1236 | async_exec = strip_bg_char (&signum_exp); | |
1237 | ||
1238 | /* If we must run in the background, but the target can't do it, | |
1239 | error out. */ | |
1240 | if (async_exec && !target_can_async_p ()) | |
1241 | error (_("Asynchronous execution not supported on this target.")); | |
1242 | ||
1243 | /* If we are not asked to run in the bg, then prepare to run in the | |
1244 | foreground, synchronously. */ | |
1245 | if (!async_exec && target_can_async_p ()) | |
1246 | { | |
1247 | /* Simulate synchronous execution. */ | |
1248 | async_disable_stdin (); | |
1249 | } | |
1250 | ||
c906108c | 1251 | if (!signum_exp) |
e2e0b3e5 | 1252 | error_no_arg (_("signal number")); |
c906108c SS |
1253 | |
1254 | /* It would be even slicker to make signal names be valid expressions, | |
1255 | (the type could be "enum $signal" or some such), then the user could | |
1256 | assign them to convenience variables. */ | |
2ea28649 | 1257 | oursig = gdb_signal_from_name (signum_exp); |
c906108c | 1258 | |
a493e3e2 | 1259 | if (oursig == GDB_SIGNAL_UNKNOWN) |
c906108c SS |
1260 | { |
1261 | /* No, try numeric. */ | |
bb518678 | 1262 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1263 | |
1264 | if (num == 0) | |
a493e3e2 | 1265 | oursig = GDB_SIGNAL_0; |
c906108c | 1266 | else |
2ea28649 | 1267 | oursig = gdb_signal_from_command (num); |
c906108c SS |
1268 | } |
1269 | ||
1270 | if (from_tty) | |
1271 | { | |
a493e3e2 | 1272 | if (oursig == GDB_SIGNAL_0) |
a3f17187 | 1273 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1274 | else |
a3f17187 | 1275 | printf_filtered (_("Continuing with signal %s.\n"), |
2ea28649 | 1276 | gdb_signal_to_name (oursig)); |
c906108c SS |
1277 | } |
1278 | ||
1279 | clear_proceed_status (); | |
a12cc160 | 1280 | proceed ((CORE_ADDR) -1, oursig, 0); |
c906108c SS |
1281 | } |
1282 | ||
fa4cd53f PA |
1283 | /* Continuation args to be passed to the "until" command |
1284 | continuation. */ | |
1285 | struct until_next_continuation_args | |
1286 | { | |
1287 | /* The thread that was current when the command was executed. */ | |
1288 | int thread; | |
1289 | }; | |
1290 | ||
186c406b TT |
1291 | /* A continuation callback for until_next_command. */ |
1292 | ||
1293 | static void | |
fa4cd53f | 1294 | until_next_continuation (void *arg, int err) |
186c406b | 1295 | { |
fa4cd53f | 1296 | struct until_next_continuation_args *a = arg; |
186c406b | 1297 | |
fa4cd53f | 1298 | delete_longjmp_breakpoint (a->thread); |
186c406b TT |
1299 | } |
1300 | ||
c906108c SS |
1301 | /* Proceed until we reach a different source line with pc greater than |
1302 | our current one or exit the function. We skip calls in both cases. | |
1303 | ||
1304 | Note that eventually this command should probably be changed so | |
1305 | that only source lines are printed out when we hit the breakpoint | |
1306 | we set. This may involve changes to wait_for_inferior and the | |
1307 | proceed status code. */ | |
1308 | ||
c906108c | 1309 | static void |
fba45db2 | 1310 | until_next_command (int from_tty) |
c906108c SS |
1311 | { |
1312 | struct frame_info *frame; | |
1313 | CORE_ADDR pc; | |
1314 | struct symbol *func; | |
1315 | struct symtab_and_line sal; | |
4e1c45ea | 1316 | struct thread_info *tp = inferior_thread (); |
186c406b TT |
1317 | int thread = tp->num; |
1318 | struct cleanup *old_chain; | |
c5aa993b | 1319 | |
c906108c | 1320 | clear_proceed_status (); |
edb3359d | 1321 | set_step_frame (); |
c906108c SS |
1322 | |
1323 | frame = get_current_frame (); | |
1324 | ||
1325 | /* Step until either exited from this function or greater | |
1326 | than the current line (if in symbolic section) or pc (if | |
1777feb0 | 1327 | not). */ |
c906108c | 1328 | |
1c7819ef | 1329 | pc = get_frame_pc (frame); |
c906108c | 1330 | func = find_pc_function (pc); |
c5aa993b | 1331 | |
c906108c SS |
1332 | if (!func) |
1333 | { | |
7cbd4a93 | 1334 | struct bound_minimal_symbol msymbol = lookup_minimal_symbol_by_pc (pc); |
c5aa993b | 1335 | |
7cbd4a93 | 1336 | if (msymbol.minsym == NULL) |
8a3fe4f8 | 1337 | error (_("Execution is not within a known function.")); |
c5aa993b | 1338 | |
7cbd4a93 | 1339 | tp->control.step_range_start = SYMBOL_VALUE_ADDRESS (msymbol.minsym); |
16c381f0 | 1340 | tp->control.step_range_end = pc; |
c906108c SS |
1341 | } |
1342 | else | |
1343 | { | |
1344 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1345 | |
16c381f0 JK |
1346 | tp->control.step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1347 | tp->control.step_range_end = sal.end; | |
c906108c | 1348 | } |
c1e36e3e | 1349 | tp->control.may_range_step = 1; |
c5aa993b | 1350 | |
16c381f0 | 1351 | tp->control.step_over_calls = STEP_OVER_ALL; |
c906108c | 1352 | |
af679fd0 | 1353 | tp->step_multi = 0; /* Only one call to proceed */ |
c5aa993b | 1354 | |
186c406b TT |
1355 | set_longjmp_breakpoint (tp, get_frame_id (frame)); |
1356 | old_chain = make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); | |
1357 | ||
a493e3e2 | 1358 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1); |
186c406b TT |
1359 | |
1360 | if (target_can_async_p () && is_running (inferior_ptid)) | |
1361 | { | |
fa4cd53f PA |
1362 | struct until_next_continuation_args *cont_args; |
1363 | ||
186c406b | 1364 | discard_cleanups (old_chain); |
fa4cd53f PA |
1365 | cont_args = XNEW (struct until_next_continuation_args); |
1366 | cont_args->thread = inferior_thread ()->num; | |
1367 | ||
1368 | add_continuation (tp, until_next_continuation, cont_args, xfree); | |
186c406b TT |
1369 | } |
1370 | else | |
1371 | do_cleanups (old_chain); | |
c906108c SS |
1372 | } |
1373 | ||
c5aa993b | 1374 | static void |
fba45db2 | 1375 | until_command (char *arg, int from_tty) |
c906108c | 1376 | { |
43ff13b4 JM |
1377 | int async_exec = 0; |
1378 | ||
4247603b | 1379 | ERROR_NO_INFERIOR; |
573cda03 | 1380 | ensure_not_tfind_mode (); |
4247603b PA |
1381 | ensure_valid_thread (); |
1382 | ensure_not_running (); | |
573cda03 | 1383 | |
1777feb0 | 1384 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1385 | if (arg != NULL) |
1386 | async_exec = strip_bg_char (&arg); | |
1387 | ||
1388 | /* If we must run in the background, but the target can't do it, | |
1777feb0 | 1389 | error out. */ |
362646f5 | 1390 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1391 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1392 | |
1393 | /* If we are not asked to run in the bg, then prepare to run in the | |
1777feb0 | 1394 | foreground, synchronously. */ |
362646f5 | 1395 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1396 | { |
1777feb0 | 1397 | /* Simulate synchronous execution. */ |
6426a772 | 1398 | async_disable_stdin (); |
43ff13b4 JM |
1399 | } |
1400 | ||
c906108c | 1401 | if (arg) |
ae66c1fc | 1402 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1403 | else |
1404 | until_next_command (from_tty); | |
1405 | } | |
ae66c1fc EZ |
1406 | |
1407 | static void | |
1408 | advance_command (char *arg, int from_tty) | |
1409 | { | |
1410 | int async_exec = 0; | |
1411 | ||
4247603b | 1412 | ERROR_NO_INFERIOR; |
573cda03 | 1413 | ensure_not_tfind_mode (); |
4247603b PA |
1414 | ensure_valid_thread (); |
1415 | ensure_not_running (); | |
573cda03 | 1416 | |
ae66c1fc | 1417 | if (arg == NULL) |
e2e0b3e5 | 1418 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1419 | |
1420 | /* Find out whether we must run in the background. */ | |
1421 | if (arg != NULL) | |
1422 | async_exec = strip_bg_char (&arg); | |
1423 | ||
1424 | /* If we must run in the background, but the target can't do it, | |
1425 | error out. */ | |
362646f5 | 1426 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1427 | error (_("Asynchronous execution not supported on this target.")); |
ae66c1fc EZ |
1428 | |
1429 | /* If we are not asked to run in the bg, then prepare to run in the | |
1430 | foreground, synchronously. */ | |
362646f5 | 1431 | if (!async_exec && target_can_async_p ()) |
ae66c1fc EZ |
1432 | { |
1433 | /* Simulate synchronous execution. */ | |
1434 | async_disable_stdin (); | |
1435 | } | |
1436 | ||
1437 | until_break_command (arg, from_tty, 1); | |
1438 | } | |
c906108c | 1439 | \f |
cc72b2a2 KP |
1440 | /* Return the value of the result of a function at the end of a 'finish' |
1441 | command/BP. */ | |
f941662f | 1442 | |
cc72b2a2 | 1443 | struct value * |
6a3a010b | 1444 | get_return_value (struct value *function, struct type *value_type) |
11cf8741 | 1445 | { |
cc72b2a2 KP |
1446 | struct regcache *stop_regs = stop_registers; |
1447 | struct gdbarch *gdbarch; | |
44e5158b | 1448 | struct value *value; |
cc72b2a2 KP |
1449 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); |
1450 | ||
1451 | /* If stop_registers were not saved, use the current registers. */ | |
1452 | if (!stop_regs) | |
1453 | { | |
1454 | stop_regs = regcache_dup (get_current_regcache ()); | |
faab9922 | 1455 | make_cleanup_regcache_xfree (stop_regs); |
cc72b2a2 KP |
1456 | } |
1457 | ||
1458 | gdbarch = get_regcache_arch (stop_regs); | |
44e5158b | 1459 | |
181fc57c | 1460 | CHECK_TYPEDEF (value_type); |
44e5158b | 1461 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1462 | |
92ad9cd9 AC |
1463 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1464 | call, it's possible (with no help from the architecture vector) | |
1465 | to locate and return/print a "struct return" value. This is just | |
7a9dd1b2 | 1466 | a more complicated case of what is already being done in the |
92ad9cd9 AC |
1467 | inferior function call code. In fact, when inferior function |
1468 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1469 | |
6a3a010b | 1470 | switch (gdbarch_return_value (gdbarch, function, value_type, |
c055b101 | 1471 | NULL, NULL, NULL)) |
44e5158b | 1472 | { |
750eb019 AC |
1473 | case RETURN_VALUE_REGISTER_CONVENTION: |
1474 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1475 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1476 | value = allocate_value (value_type); |
6a3a010b | 1477 | gdbarch_return_value (gdbarch, function, value_type, stop_regs, |
990a07ab | 1478 | value_contents_raw (value), NULL); |
750eb019 AC |
1479 | break; |
1480 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1481 | value = NULL; | |
1482 | break; | |
1483 | default: | |
e2e0b3e5 | 1484 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1485 | } |
bb472c1e | 1486 | |
cc72b2a2 KP |
1487 | do_cleanups (cleanup); |
1488 | ||
1489 | return value; | |
1490 | } | |
1491 | ||
1492 | /* Print the result of a function at the end of a 'finish' command. */ | |
1493 | ||
1494 | static void | |
6a3a010b | 1495 | print_return_value (struct value *function, struct type *value_type) |
cc72b2a2 | 1496 | { |
6a3a010b | 1497 | struct value *value = get_return_value (function, value_type); |
cc72b2a2 KP |
1498 | struct ui_out *uiout = current_uiout; |
1499 | ||
31db7b6c MK |
1500 | if (value) |
1501 | { | |
79a45b7d | 1502 | struct value_print_options opts; |
f99d8bf4 PA |
1503 | struct ui_file *stb; |
1504 | struct cleanup *old_chain; | |
79a45b7d | 1505 | |
31db7b6c | 1506 | /* Print it. */ |
f99d8bf4 PA |
1507 | stb = mem_fileopen (); |
1508 | old_chain = make_cleanup_ui_file_delete (stb); | |
31db7b6c MK |
1509 | ui_out_text (uiout, "Value returned is "); |
1510 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", | |
1511 | record_latest_value (value)); | |
1512 | ui_out_text (uiout, " = "); | |
2a998fc0 | 1513 | get_no_prettyformat_print_options (&opts); |
f99d8bf4 | 1514 | value_print (value, stb, &opts); |
31db7b6c MK |
1515 | ui_out_field_stream (uiout, "return-value", stb); |
1516 | ui_out_text (uiout, "\n"); | |
1d751abe | 1517 | do_cleanups (old_chain); |
31db7b6c MK |
1518 | } |
1519 | else | |
1520 | { | |
1521 | ui_out_text (uiout, "Value returned has type: "); | |
1d751abe PA |
1522 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); |
1523 | ui_out_text (uiout, "."); | |
1524 | ui_out_text (uiout, " Cannot determine contents\n"); | |
31db7b6c | 1525 | } |
11cf8741 JM |
1526 | } |
1527 | ||
43ff13b4 | 1528 | /* Stuff that needs to be done by the finish command after the target |
f941662f MK |
1529 | has stopped. In asynchronous mode, we wait for the target to stop |
1530 | in the call to poll or select in the event loop, so it is | |
1531 | impossible to do all the stuff as part of the finish_command | |
1532 | function itself. The only chance we have to complete this command | |
1533 | is in fetch_inferior_event, which is called by the event loop as | |
fa4cd53f | 1534 | soon as it detects that the target has stopped. */ |
f941662f | 1535 | |
bfec99b2 | 1536 | struct finish_command_continuation_args |
43ff13b4 | 1537 | { |
fa4cd53f PA |
1538 | /* The thread that as current when the command was executed. */ |
1539 | int thread; | |
43ff13b4 | 1540 | struct breakpoint *breakpoint; |
bfec99b2 PA |
1541 | struct symbol *function; |
1542 | }; | |
c5aa993b | 1543 | |
bfec99b2 | 1544 | static void |
fa4cd53f | 1545 | finish_command_continuation (void *arg, int err) |
bfec99b2 PA |
1546 | { |
1547 | struct finish_command_continuation_args *a = arg; | |
347bddb7 | 1548 | |
fa4cd53f | 1549 | if (!err) |
43ff13b4 | 1550 | { |
fa4cd53f PA |
1551 | struct thread_info *tp = NULL; |
1552 | bpstat bs = NULL; | |
bfec99b2 | 1553 | |
fa4cd53f PA |
1554 | if (!ptid_equal (inferior_ptid, null_ptid) |
1555 | && target_has_execution | |
1556 | && is_stopped (inferior_ptid)) | |
1557 | { | |
1558 | tp = inferior_thread (); | |
1559 | bs = tp->control.stop_bpstat; | |
1560 | } | |
f5871ec0 | 1561 | |
fa4cd53f PA |
1562 | if (bpstat_find_breakpoint (bs, a->breakpoint) != NULL |
1563 | && a->function != NULL) | |
40c549d6 | 1564 | { |
fa4cd53f PA |
1565 | struct type *value_type; |
1566 | ||
1567 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (a->function)); | |
1568 | if (!value_type) | |
1569 | internal_error (__FILE__, __LINE__, | |
1570 | _("finish_command: function has no target type")); | |
40c549d6 | 1571 | |
fa4cd53f | 1572 | if (TYPE_CODE (value_type) != TYPE_CODE_VOID) |
40c549d6 | 1573 | { |
fa4cd53f | 1574 | volatile struct gdb_exception ex; |
6a3a010b | 1575 | struct value *func; |
fa4cd53f | 1576 | |
6a3a010b | 1577 | func = read_var_value (a->function, get_current_frame ()); |
fa4cd53f PA |
1578 | TRY_CATCH (ex, RETURN_MASK_ALL) |
1579 | { | |
1580 | /* print_return_value can throw an exception in some | |
1581 | circumstances. We need to catch this so that we still | |
1582 | delete the breakpoint. */ | |
6a3a010b | 1583 | print_return_value (func, value_type); |
fa4cd53f PA |
1584 | } |
1585 | if (ex.reason < 0) | |
1586 | exception_print (gdb_stdout, ex); | |
40c549d6 | 1587 | } |
40c549d6 | 1588 | } |
fa4cd53f PA |
1589 | |
1590 | /* We suppress normal call of normal_stop observer and do it | |
1591 | here so that the *stopped notification includes the return | |
1592 | value. */ | |
1593 | if (bs != NULL && tp->control.proceed_to_finish) | |
1594 | observer_notify_normal_stop (bs, 1 /* print frame */); | |
43ff13b4 | 1595 | } |
f941662f | 1596 | |
bfec99b2 | 1597 | delete_breakpoint (a->breakpoint); |
fa4cd53f | 1598 | delete_longjmp_breakpoint (a->thread); |
43ff13b4 JM |
1599 | } |
1600 | ||
604ead4a PA |
1601 | static void |
1602 | finish_command_continuation_free_arg (void *arg) | |
1603 | { | |
604ead4a PA |
1604 | xfree (arg); |
1605 | } | |
1606 | ||
b2175913 MS |
1607 | /* finish_backward -- helper function for finish_command. */ |
1608 | ||
1609 | static void | |
1610 | finish_backward (struct symbol *function) | |
1611 | { | |
1612 | struct symtab_and_line sal; | |
1613 | struct thread_info *tp = inferior_thread (); | |
1c7819ef | 1614 | CORE_ADDR pc; |
b2175913 | 1615 | CORE_ADDR func_addr; |
b2175913 | 1616 | |
1c7819ef PA |
1617 | pc = get_frame_pc (get_current_frame ()); |
1618 | ||
1619 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL) == 0) | |
b2175913 MS |
1620 | internal_error (__FILE__, __LINE__, |
1621 | _("Finish: couldn't find function.")); | |
1622 | ||
1623 | sal = find_pc_line (func_addr, 0); | |
1624 | ||
9da8c2a0 | 1625 | tp->control.proceed_to_finish = 1; |
b2175913 MS |
1626 | /* Special case: if we're sitting at the function entry point, |
1627 | then all we need to do is take a reverse singlestep. We | |
1628 | don't need to set a breakpoint, and indeed it would do us | |
1629 | no good to do so. | |
1630 | ||
1631 | Note that this can only happen at frame #0, since there's | |
1632 | no way that a function up the stack can have a return address | |
1633 | that's equal to its entry point. */ | |
1634 | ||
1c7819ef | 1635 | if (sal.pc != pc) |
b2175913 | 1636 | { |
a6d9a66e UW |
1637 | struct frame_info *frame = get_selected_frame (NULL); |
1638 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
9da8c2a0 PA |
1639 | struct symtab_and_line sr_sal; |
1640 | ||
1641 | /* Set a step-resume at the function's entry point. Once that's | |
1642 | hit, we'll do one more step backwards. */ | |
1643 | init_sal (&sr_sal); | |
1644 | sr_sal.pc = sal.pc; | |
1645 | sr_sal.pspace = get_frame_program_space (frame); | |
1646 | insert_step_resume_breakpoint_at_sal (gdbarch, | |
1647 | sr_sal, null_frame_id); | |
a6d9a66e | 1648 | |
a493e3e2 | 1649 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
b2175913 MS |
1650 | } |
1651 | else | |
b2175913 | 1652 | { |
9da8c2a0 PA |
1653 | /* We're almost there -- we just need to back up by one more |
1654 | single-step. */ | |
16c381f0 | 1655 | tp->control.step_range_start = tp->control.step_range_end = 1; |
a493e3e2 | 1656 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1); |
b2175913 | 1657 | } |
b2175913 MS |
1658 | } |
1659 | ||
1660 | /* finish_forward -- helper function for finish_command. */ | |
1661 | ||
1662 | static void | |
1663 | finish_forward (struct symbol *function, struct frame_info *frame) | |
1664 | { | |
def166f6 | 1665 | struct frame_id frame_id = get_frame_id (frame); |
a6d9a66e | 1666 | struct gdbarch *gdbarch = get_frame_arch (frame); |
b2175913 MS |
1667 | struct symtab_and_line sal; |
1668 | struct thread_info *tp = inferior_thread (); | |
1669 | struct breakpoint *breakpoint; | |
1670 | struct cleanup *old_chain; | |
1671 | struct finish_command_continuation_args *cargs; | |
186c406b | 1672 | int thread = tp->num; |
b2175913 MS |
1673 | |
1674 | sal = find_pc_line (get_frame_pc (frame), 0); | |
1675 | sal.pc = get_frame_pc (frame); | |
1676 | ||
a6d9a66e UW |
1677 | breakpoint = set_momentary_breakpoint (gdbarch, sal, |
1678 | get_stack_frame_id (frame), | |
b2175913 MS |
1679 | bp_finish); |
1680 | ||
c70a6932 JK |
1681 | /* set_momentary_breakpoint invalidates FRAME. */ |
1682 | frame = NULL; | |
1683 | ||
b2175913 MS |
1684 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
1685 | ||
def166f6 | 1686 | set_longjmp_breakpoint (tp, frame_id); |
186c406b TT |
1687 | make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); |
1688 | ||
16c381f0 JK |
1689 | /* We want stop_registers, please... */ |
1690 | tp->control.proceed_to_finish = 1; | |
b2175913 MS |
1691 | cargs = xmalloc (sizeof (*cargs)); |
1692 | ||
fa4cd53f | 1693 | cargs->thread = thread; |
b2175913 MS |
1694 | cargs->breakpoint = breakpoint; |
1695 | cargs->function = function; | |
1696 | add_continuation (tp, finish_command_continuation, cargs, | |
1697 | finish_command_continuation_free_arg); | |
a493e3e2 | 1698 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
b2175913 MS |
1699 | |
1700 | discard_cleanups (old_chain); | |
1701 | if (!target_can_async_p ()) | |
fa4cd53f | 1702 | do_all_continuations (0); |
b2175913 MS |
1703 | } |
1704 | ||
f941662f MK |
1705 | /* "finish": Set a temporary breakpoint at the place the selected |
1706 | frame will return to, then continue. */ | |
c906108c SS |
1707 | |
1708 | static void | |
fba45db2 | 1709 | finish_command (char *arg, int from_tty) |
c906108c | 1710 | { |
52f0bd74 AC |
1711 | struct frame_info *frame; |
1712 | struct symbol *function; | |
43ff13b4 JM |
1713 | |
1714 | int async_exec = 0; | |
1715 | ||
4247603b | 1716 | ERROR_NO_INFERIOR; |
573cda03 | 1717 | ensure_not_tfind_mode (); |
4247603b PA |
1718 | ensure_valid_thread (); |
1719 | ensure_not_running (); | |
573cda03 | 1720 | |
f941662f | 1721 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1722 | if (arg != NULL) |
1723 | async_exec = strip_bg_char (&arg); | |
1724 | ||
1725 | /* If we must run in the background, but the target can't do it, | |
f941662f | 1726 | error out. */ |
362646f5 | 1727 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1728 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1729 | |
1730 | /* If we are not asked to run in the bg, then prepare to run in the | |
f941662f | 1731 | foreground, synchronously. */ |
362646f5 | 1732 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1733 | { |
f941662f | 1734 | /* Simulate synchronous execution. */ |
6426a772 | 1735 | async_disable_stdin (); |
43ff13b4 | 1736 | } |
c906108c SS |
1737 | |
1738 | if (arg) | |
8a3fe4f8 | 1739 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1740 | |
206415a3 | 1741 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 1742 | if (frame == 0) |
8a3fe4f8 | 1743 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c SS |
1744 | |
1745 | clear_proceed_status (); | |
1746 | ||
edb3359d DJ |
1747 | /* Finishing from an inline frame is completely different. We don't |
1748 | try to show the "return value" - no way to locate it. So we do | |
1749 | not need a completion. */ | |
1750 | if (get_frame_type (get_selected_frame (_("No selected frame."))) | |
1751 | == INLINE_FRAME) | |
1752 | { | |
1753 | /* Claim we are stepping in the calling frame. An empty step | |
1754 | range means that we will stop once we aren't in a function | |
1755 | called by that frame. We don't use the magic "1" value for | |
1756 | step_range_end, because then infrun will think this is nexti, | |
1757 | and not step over the rest of this inlined function call. */ | |
1758 | struct thread_info *tp = inferior_thread (); | |
1759 | struct symtab_and_line empty_sal; | |
abbb1732 | 1760 | |
edb3359d DJ |
1761 | init_sal (&empty_sal); |
1762 | set_step_info (frame, empty_sal); | |
16c381f0 JK |
1763 | tp->control.step_range_start = get_frame_pc (frame); |
1764 | tp->control.step_range_end = tp->control.step_range_start; | |
1765 | tp->control.step_over_calls = STEP_OVER_ALL; | |
edb3359d DJ |
1766 | |
1767 | /* Print info on the selected frame, including level number but not | |
1768 | source. */ | |
1769 | if (from_tty) | |
1770 | { | |
1771 | printf_filtered (_("Run till exit from ")); | |
08d72866 | 1772 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
edb3359d DJ |
1773 | } |
1774 | ||
a493e3e2 | 1775 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 1); |
edb3359d DJ |
1776 | return; |
1777 | } | |
1778 | ||
1ab3b62c JK |
1779 | /* Ignore TAILCALL_FRAME type frames, they were executed already before |
1780 | entering THISFRAME. */ | |
1781 | while (get_frame_type (frame) == TAILCALL_FRAME) | |
1782 | frame = get_prev_frame (frame); | |
1783 | ||
c906108c SS |
1784 | /* Find the function we will return from. */ |
1785 | ||
206415a3 | 1786 | function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 1787 | |
f941662f MK |
1788 | /* Print info on the selected frame, including level number but not |
1789 | source. */ | |
c906108c SS |
1790 | if (from_tty) |
1791 | { | |
b2175913 MS |
1792 | if (execution_direction == EXEC_REVERSE) |
1793 | printf_filtered (_("Run back to call of ")); | |
1794 | else | |
1795 | printf_filtered (_("Run till exit from ")); | |
1796 | ||
08d72866 | 1797 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION, 0); |
c906108c SS |
1798 | } |
1799 | ||
b2175913 MS |
1800 | if (execution_direction == EXEC_REVERSE) |
1801 | finish_backward (function); | |
1802 | else | |
1803 | finish_forward (function, frame); | |
c906108c SS |
1804 | } |
1805 | \f | |
f941662f | 1806 | |
c906108c | 1807 | static void |
fba45db2 | 1808 | program_info (char *args, int from_tty) |
c906108c | 1809 | { |
347bddb7 PA |
1810 | bpstat bs; |
1811 | int num, stat; | |
1812 | struct thread_info *tp; | |
1813 | ptid_t ptid; | |
c5aa993b | 1814 | |
c906108c SS |
1815 | if (!target_has_execution) |
1816 | { | |
a3f17187 | 1817 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
1818 | return; |
1819 | } | |
1820 | ||
347bddb7 PA |
1821 | if (non_stop) |
1822 | ptid = inferior_ptid; | |
1823 | else | |
1824 | { | |
1825 | struct target_waitstatus ws; | |
abbb1732 | 1826 | |
347bddb7 PA |
1827 | get_last_target_status (&ptid, &ws); |
1828 | } | |
1829 | ||
1830 | if (ptid_equal (ptid, null_ptid) || is_exited (ptid)) | |
1831 | error (_("Invalid selected thread.")); | |
1832 | else if (is_running (ptid)) | |
1833 | error (_("Selected thread is running.")); | |
1834 | ||
e09875d4 | 1835 | tp = find_thread_ptid (ptid); |
16c381f0 | 1836 | bs = tp->control.stop_bpstat; |
347bddb7 PA |
1837 | stat = bpstat_num (&bs, &num); |
1838 | ||
c906108c | 1839 | target_files_info (); |
5af949e3 | 1840 | printf_filtered (_("Program stopped at %s.\n"), |
f5656ead | 1841 | paddress (target_gdbarch (), stop_pc)); |
16c381f0 | 1842 | if (tp->control.stop_step) |
a3f17187 | 1843 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 1844 | else if (stat != 0) |
c906108c SS |
1845 | { |
1846 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1847 | isn't as strange as it seems. */ |
8671a17b | 1848 | while (stat != 0) |
c906108c | 1849 | { |
8671a17b | 1850 | if (stat < 0) |
c906108c | 1851 | { |
3e43a32a MS |
1852 | printf_filtered (_("It stopped at a breakpoint " |
1853 | "that has since been deleted.\n")); | |
c906108c SS |
1854 | } |
1855 | else | |
a3f17187 | 1856 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 1857 | stat = bpstat_num (&bs, &num); |
c906108c SS |
1858 | } |
1859 | } | |
a493e3e2 | 1860 | else if (tp->suspend.stop_signal != GDB_SIGNAL_0) |
c906108c | 1861 | { |
a3f17187 | 1862 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
2ea28649 PA |
1863 | gdb_signal_to_name (tp->suspend.stop_signal), |
1864 | gdb_signal_to_string (tp->suspend.stop_signal)); | |
c906108c SS |
1865 | } |
1866 | ||
1867 | if (!from_tty) | |
1868 | { | |
3e43a32a MS |
1869 | printf_filtered (_("Type \"info stack\" or \"info " |
1870 | "registers\" for more information.\n")); | |
c906108c SS |
1871 | } |
1872 | } | |
1873 | \f | |
1874 | static void | |
fba45db2 | 1875 | environment_info (char *var, int from_tty) |
c906108c SS |
1876 | { |
1877 | if (var) | |
1878 | { | |
3f81c18a | 1879 | char *val = get_in_environ (current_inferior ()->environment, var); |
abbb1732 | 1880 | |
c906108c SS |
1881 | if (val) |
1882 | { | |
1883 | puts_filtered (var); | |
1884 | puts_filtered (" = "); | |
1885 | puts_filtered (val); | |
1886 | puts_filtered ("\n"); | |
1887 | } | |
1888 | else | |
1889 | { | |
1890 | puts_filtered ("Environment variable \""); | |
1891 | puts_filtered (var); | |
1892 | puts_filtered ("\" not defined.\n"); | |
1893 | } | |
1894 | } | |
1895 | else | |
1896 | { | |
3f81c18a | 1897 | char **vector = environ_vector (current_inferior ()->environment); |
abbb1732 | 1898 | |
c906108c SS |
1899 | while (*vector) |
1900 | { | |
1901 | puts_filtered (*vector++); | |
1902 | puts_filtered ("\n"); | |
1903 | } | |
1904 | } | |
1905 | } | |
1906 | ||
1907 | static void | |
fba45db2 | 1908 | set_environment_command (char *arg, int from_tty) |
c906108c | 1909 | { |
52f0bd74 | 1910 | char *p, *val, *var; |
c906108c SS |
1911 | int nullset = 0; |
1912 | ||
1913 | if (arg == 0) | |
e2e0b3e5 | 1914 | error_no_arg (_("environment variable and value")); |
c906108c | 1915 | |
1777feb0 | 1916 | /* Find seperation between variable name and value. */ |
c906108c SS |
1917 | p = (char *) strchr (arg, '='); |
1918 | val = (char *) strchr (arg, ' '); | |
1919 | ||
1920 | if (p != 0 && val != 0) | |
1921 | { | |
1922 | /* We have both a space and an equals. If the space is before the | |
c5aa993b | 1923 | equals, walk forward over the spaces til we see a nonspace |
1777feb0 | 1924 | (possibly the equals). */ |
c906108c SS |
1925 | if (p > val) |
1926 | while (*val == ' ') | |
1927 | val++; | |
1928 | ||
1929 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1930 | take the char following the spaces. */ |
c906108c SS |
1931 | if (p > val) |
1932 | p = val - 1; | |
1933 | } | |
1934 | else if (val != 0 && p == 0) | |
1935 | p = val; | |
1936 | ||
1937 | if (p == arg) | |
e2e0b3e5 | 1938 | error_no_arg (_("environment variable to set")); |
c906108c SS |
1939 | |
1940 | if (p == 0 || p[1] == 0) | |
1941 | { | |
1942 | nullset = 1; | |
1943 | if (p == 0) | |
1777feb0 | 1944 | p = arg + strlen (arg); /* So that savestring below will work. */ |
c906108c SS |
1945 | } |
1946 | else | |
1947 | { | |
1777feb0 | 1948 | /* Not setting variable value to null. */ |
c906108c SS |
1949 | val = p + 1; |
1950 | while (*val == ' ' || *val == '\t') | |
1951 | val++; | |
1952 | } | |
1953 | ||
c5aa993b JM |
1954 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1955 | p--; | |
c906108c SS |
1956 | |
1957 | var = savestring (arg, p - arg); | |
1958 | if (nullset) | |
1959 | { | |
3e43a32a MS |
1960 | printf_filtered (_("Setting environment variable " |
1961 | "\"%s\" to null value.\n"), | |
a3f17187 | 1962 | var); |
3f81c18a | 1963 | set_in_environ (current_inferior ()->environment, var, ""); |
c906108c SS |
1964 | } |
1965 | else | |
3f81c18a | 1966 | set_in_environ (current_inferior ()->environment, var, val); |
b8c9b27d | 1967 | xfree (var); |
c906108c SS |
1968 | } |
1969 | ||
1970 | static void | |
fba45db2 | 1971 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1972 | { |
1973 | if (var == 0) | |
1974 | { | |
1975 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1976 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 1977 | if (!from_tty || query (_("Delete all environment variables? "))) |
c906108c | 1978 | { |
3f81c18a VP |
1979 | free_environ (current_inferior ()->environment); |
1980 | current_inferior ()->environment = make_environ (); | |
c906108c SS |
1981 | } |
1982 | } | |
1983 | else | |
3f81c18a | 1984 | unset_in_environ (current_inferior ()->environment, var); |
c906108c SS |
1985 | } |
1986 | ||
1777feb0 | 1987 | /* Handle the execution path (PATH variable). */ |
c906108c SS |
1988 | |
1989 | static const char path_var_name[] = "PATH"; | |
1990 | ||
c906108c | 1991 | static void |
fba45db2 | 1992 | path_info (char *args, int from_tty) |
c906108c SS |
1993 | { |
1994 | puts_filtered ("Executable and object file path: "); | |
3e43a32a MS |
1995 | puts_filtered (get_in_environ (current_inferior ()->environment, |
1996 | path_var_name)); | |
c906108c SS |
1997 | puts_filtered ("\n"); |
1998 | } | |
1999 | ||
2000 | /* Add zero or more directories to the front of the execution path. */ | |
2001 | ||
2002 | static void | |
fba45db2 | 2003 | path_command (char *dirname, int from_tty) |
c906108c SS |
2004 | { |
2005 | char *exec_path; | |
2006 | char *env; | |
abbb1732 | 2007 | |
c906108c | 2008 | dont_repeat (); |
3f81c18a | 2009 | env = get_in_environ (current_inferior ()->environment, path_var_name); |
1777feb0 | 2010 | /* Can be null if path is not set. */ |
c906108c SS |
2011 | if (!env) |
2012 | env = ""; | |
4fcf66da | 2013 | exec_path = xstrdup (env); |
c906108c | 2014 | mod_path (dirname, &exec_path); |
3f81c18a | 2015 | set_in_environ (current_inferior ()->environment, path_var_name, exec_path); |
b8c9b27d | 2016 | xfree (exec_path); |
c906108c | 2017 | if (from_tty) |
c5aa993b | 2018 | path_info ((char *) NULL, from_tty); |
c906108c | 2019 | } |
c906108c | 2020 | \f |
c5aa993b | 2021 | |
1292279a PA |
2022 | /* Print out the register NAME with value VAL, to FILE, in the default |
2023 | fashion. */ | |
2024 | ||
2025 | static void | |
2026 | default_print_one_register_info (struct ui_file *file, | |
2027 | const char *name, | |
2028 | struct value *val) | |
2029 | { | |
2030 | struct type *regtype = value_type (val); | |
f69d9aef | 2031 | int print_raw_format; |
1292279a PA |
2032 | |
2033 | fputs_filtered (name, file); | |
2034 | print_spaces_filtered (15 - strlen (name), file); | |
2035 | ||
f69d9aef AB |
2036 | print_raw_format = (value_entirely_available (val) |
2037 | && !value_optimized_out (val)); | |
1292279a PA |
2038 | |
2039 | /* If virtual format is floating, print it that way, and in raw | |
2040 | hex. */ | |
2041 | if (TYPE_CODE (regtype) == TYPE_CODE_FLT | |
2042 | || TYPE_CODE (regtype) == TYPE_CODE_DECFLOAT) | |
2043 | { | |
2044 | int j; | |
2045 | struct value_print_options opts; | |
2046 | const gdb_byte *valaddr = value_contents_for_printing (val); | |
2047 | enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (regtype)); | |
2048 | ||
2049 | get_user_print_options (&opts); | |
2050 | opts.deref_ref = 1; | |
2051 | ||
2052 | val_print (regtype, | |
2053 | value_contents_for_printing (val), | |
2054 | value_embedded_offset (val), 0, | |
2055 | file, 0, val, &opts, current_language); | |
2056 | ||
f69d9aef AB |
2057 | if (print_raw_format) |
2058 | { | |
2059 | fprintf_filtered (file, "\t(raw "); | |
2060 | print_hex_chars (file, valaddr, TYPE_LENGTH (regtype), byte_order); | |
2061 | fprintf_filtered (file, ")"); | |
2062 | } | |
1292279a PA |
2063 | } |
2064 | else | |
2065 | { | |
2066 | struct value_print_options opts; | |
2067 | ||
2068 | /* Print the register in hex. */ | |
2069 | get_formatted_print_options (&opts, 'x'); | |
2070 | opts.deref_ref = 1; | |
2071 | val_print (regtype, | |
2072 | value_contents_for_printing (val), | |
2073 | value_embedded_offset (val), 0, | |
2074 | file, 0, val, &opts, current_language); | |
2075 | /* If not a vector register, print it also according to its | |
2076 | natural format. */ | |
f69d9aef | 2077 | if (print_raw_format && TYPE_VECTOR (regtype) == 0) |
1292279a PA |
2078 | { |
2079 | get_user_print_options (&opts); | |
2080 | opts.deref_ref = 1; | |
2081 | fprintf_filtered (file, "\t"); | |
2082 | val_print (regtype, | |
2083 | value_contents_for_printing (val), | |
2084 | value_embedded_offset (val), 0, | |
2085 | file, 0, val, &opts, current_language); | |
2086 | } | |
2087 | } | |
2088 | ||
2089 | fprintf_filtered (file, "\n"); | |
2090 | } | |
2091 | ||
1777feb0 | 2092 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
2093 | registers (print_all == 1) or all non-float and non-vector |
2094 | registers (print_all == 0). | |
c906108c SS |
2095 | |
2096 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
2097 | register(s) one per line is good enough. If a different format is |
2098 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
2099 | regs), or there is an existing convention for showing all the | |
2100 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
2101 | provide that format. */ | |
c906108c | 2102 | |
666e11c5 | 2103 | void |
0ab7a791 AC |
2104 | default_print_registers_info (struct gdbarch *gdbarch, |
2105 | struct ui_file *file, | |
2106 | struct frame_info *frame, | |
2107 | int regnum, int print_all) | |
c906108c | 2108 | { |
0ab7a791 | 2109 | int i; |
a4bd449d UW |
2110 | const int numregs = gdbarch_num_regs (gdbarch) |
2111 | + gdbarch_num_pseudo_regs (gdbarch); | |
0ab7a791 | 2112 | |
c906108c SS |
2113 | for (i = 0; i < numregs; i++) |
2114 | { | |
4782dc19 AC |
2115 | /* Decide between printing all regs, non-float / vector regs, or |
2116 | specific reg. */ | |
c5aa993b JM |
2117 | if (regnum == -1) |
2118 | { | |
f9418c0f | 2119 | if (print_all) |
4782dc19 | 2120 | { |
f9418c0f | 2121 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 2122 | continue; |
f9418c0f AC |
2123 | } |
2124 | else | |
2125 | { | |
2126 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
2127 | continue; |
2128 | } | |
c5aa993b JM |
2129 | } |
2130 | else | |
2131 | { | |
2132 | if (i != regnum) | |
2133 | continue; | |
2134 | } | |
c906108c SS |
2135 | |
2136 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 2137 | processor, so don't display anything. */ |
a4bd449d UW |
2138 | if (gdbarch_register_name (gdbarch, i) == NULL |
2139 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
2140 | continue; |
2141 | ||
1292279a PA |
2142 | default_print_one_register_info (file, |
2143 | gdbarch_register_name (gdbarch, i), | |
901461f8 | 2144 | value_of_register (i, frame)); |
c906108c SS |
2145 | } |
2146 | } | |
c906108c | 2147 | |
c906108c | 2148 | void |
fba45db2 | 2149 | registers_info (char *addr_exp, int fpregs) |
c906108c | 2150 | { |
206415a3 | 2151 | struct frame_info *frame; |
a4bd449d | 2152 | struct gdbarch *gdbarch; |
c906108c SS |
2153 | |
2154 | if (!target_has_registers) | |
8a3fe4f8 | 2155 | error (_("The program has no registers now.")); |
206415a3 | 2156 | frame = get_selected_frame (NULL); |
a4bd449d | 2157 | gdbarch = get_frame_arch (frame); |
c906108c SS |
2158 | |
2159 | if (!addr_exp) | |
2160 | { | |
a4bd449d | 2161 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 2162 | frame, -1, fpregs); |
c906108c SS |
2163 | return; |
2164 | } | |
2165 | ||
f9418c0f | 2166 | while (*addr_exp != '\0') |
c5aa993b | 2167 | { |
f9418c0f AC |
2168 | char *start; |
2169 | const char *end; | |
c906108c | 2170 | |
529480d0 KS |
2171 | /* Skip leading white space. */ |
2172 | addr_exp = skip_spaces (addr_exp); | |
c906108c | 2173 | |
f9418c0f AC |
2174 | /* Discard any leading ``$''. Check that there is something |
2175 | resembling a register following it. */ | |
2176 | if (addr_exp[0] == '$') | |
2177 | addr_exp++; | |
2178 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 2179 | error (_("Missing register name")); |
c906108c | 2180 | |
f9418c0f AC |
2181 | /* Find the start/end of this register name/num/group. */ |
2182 | start = addr_exp; | |
2183 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
2184 | addr_exp++; | |
2185 | end = addr_exp; | |
ad842144 | 2186 | |
f9418c0f AC |
2187 | /* Figure out what we've found and display it. */ |
2188 | ||
2189 | /* A register name? */ | |
2190 | { | |
029a67e4 | 2191 | int regnum = user_reg_map_name_to_regnum (gdbarch, start, end - start); |
abbb1732 | 2192 | |
f9418c0f AC |
2193 | if (regnum >= 0) |
2194 | { | |
ad842144 MR |
2195 | /* User registers lie completely outside of the range of |
2196 | normal registers. Catch them early so that the target | |
2197 | never sees them. */ | |
2198 | if (regnum >= gdbarch_num_regs (gdbarch) | |
2199 | + gdbarch_num_pseudo_regs (gdbarch)) | |
2200 | { | |
1292279a PA |
2201 | struct value *regval = value_of_user_reg (regnum, frame); |
2202 | const char *regname = user_reg_map_regnum_to_name (gdbarch, | |
2203 | regnum); | |
2204 | ||
2205 | /* Print in the same fashion | |
2206 | gdbarch_print_registers_info's default | |
2207 | implementation prints. */ | |
2208 | default_print_one_register_info (gdb_stdout, | |
2209 | regname, | |
2210 | regval); | |
ad842144 MR |
2211 | } |
2212 | else | |
2213 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
2214 | frame, regnum, fpregs); | |
f9418c0f AC |
2215 | continue; |
2216 | } | |
2217 | } | |
ad842144 | 2218 | |
f9418c0f AC |
2219 | /* A register group? */ |
2220 | { | |
6c7d17ba | 2221 | struct reggroup *group; |
abbb1732 | 2222 | |
a4bd449d | 2223 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 2224 | group != NULL; |
a4bd449d | 2225 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
2226 | { |
2227 | /* Don't bother with a length check. Should the user | |
2228 | enter a short register group name, go with the first | |
2229 | group that matches. */ | |
6c7d17ba | 2230 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
2231 | break; |
2232 | } | |
6c7d17ba | 2233 | if (group != NULL) |
f9418c0f AC |
2234 | { |
2235 | int regnum; | |
abbb1732 | 2236 | |
f57d151a | 2237 | for (regnum = 0; |
a4bd449d UW |
2238 | regnum < gdbarch_num_regs (gdbarch) |
2239 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2240 | regnum++) |
f9418c0f | 2241 | { |
a4bd449d UW |
2242 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
2243 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 2244 | gdb_stdout, frame, |
f9418c0f AC |
2245 | regnum, fpregs); |
2246 | } | |
2247 | continue; | |
2248 | } | |
2249 | } | |
c906108c | 2250 | |
f9418c0f | 2251 | /* Nothing matched. */ |
8a3fe4f8 | 2252 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 2253 | } |
c906108c SS |
2254 | } |
2255 | ||
1dd5fedc | 2256 | static void |
fba45db2 | 2257 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
2258 | { |
2259 | registers_info (addr_exp, 1); | |
2260 | } | |
2261 | ||
a58dd373 | 2262 | static void |
fba45db2 | 2263 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
2264 | { |
2265 | registers_info (addr_exp, 0); | |
2266 | } | |
e76f1f2e AC |
2267 | |
2268 | static void | |
d80b854b | 2269 | print_vector_info (struct ui_file *file, |
e76f1f2e AC |
2270 | struct frame_info *frame, const char *args) |
2271 | { | |
d80b854b UW |
2272 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2273 | ||
e76f1f2e AC |
2274 | if (gdbarch_print_vector_info_p (gdbarch)) |
2275 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
2276 | else | |
2277 | { | |
2278 | int regnum; | |
2279 | int printed_something = 0; | |
ab4327e0 | 2280 | |
f57d151a | 2281 | for (regnum = 0; |
a4bd449d UW |
2282 | regnum < gdbarch_num_regs (gdbarch) |
2283 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2284 | regnum++) |
e76f1f2e | 2285 | { |
f9418c0f | 2286 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
2287 | { |
2288 | printed_something = 1; | |
e76f1f2e | 2289 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
2290 | } |
2291 | } | |
2292 | if (!printed_something) | |
2293 | fprintf_filtered (file, "No vector information\n"); | |
2294 | } | |
2295 | } | |
2296 | ||
2297 | static void | |
2298 | vector_info (char *args, int from_tty) | |
2299 | { | |
206415a3 DJ |
2300 | if (!target_has_registers) |
2301 | error (_("The program has no registers now.")); | |
2302 | ||
d80b854b | 2303 | print_vector_info (gdb_stdout, get_selected_frame (NULL), args); |
e76f1f2e | 2304 | } |
c906108c | 2305 | \f |
5fd62852 PA |
2306 | /* Kill the inferior process. Make us have no inferior. */ |
2307 | ||
2308 | static void | |
2309 | kill_command (char *arg, int from_tty) | |
2310 | { | |
2311 | /* FIXME: This should not really be inferior_ptid (or target_has_execution). | |
2312 | It should be a distinct flag that indicates that a target is active, cuz | |
1777feb0 | 2313 | some targets don't have processes! */ |
5fd62852 PA |
2314 | |
2315 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2316 | error (_("The program is not being run.")); | |
2317 | if (!query (_("Kill the program being debugged? "))) | |
2318 | error (_("Not confirmed.")); | |
2319 | target_kill (); | |
2320 | ||
c35b1492 PA |
2321 | /* If we still have other inferiors to debug, then don't mess with |
2322 | with their threads. */ | |
2323 | if (!have_inferiors ()) | |
5fd62852 | 2324 | { |
1777feb0 | 2325 | init_thread_list (); /* Destroy thread info. */ |
5fd62852 PA |
2326 | |
2327 | /* Killing off the inferior can leave us with a core file. If | |
2328 | so, print the state we are left in. */ | |
2329 | if (target_has_stack) | |
2330 | { | |
2331 | printf_filtered (_("In %s,\n"), target_longname); | |
08d72866 | 2332 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1); |
5fd62852 PA |
2333 | } |
2334 | } | |
2335 | bfd_cache_close_all (); | |
2336 | } | |
c5aa993b | 2337 | |
74531fed PA |
2338 | /* Used in `attach&' command. ARG is a point to an integer |
2339 | representing a process id. Proceed threads of this process iff | |
2340 | they stopped due to debugger request, and when they did, they | |
a493e3e2 | 2341 | reported a clean stop (GDB_SIGNAL_0). Do not proceed threads |
74531fed PA |
2342 | that have been explicitly been told to stop. */ |
2343 | ||
2344 | static int | |
2345 | proceed_after_attach_callback (struct thread_info *thread, | |
2346 | void *arg) | |
2347 | { | |
2348 | int pid = * (int *) arg; | |
2349 | ||
2350 | if (ptid_get_pid (thread->ptid) == pid | |
2351 | && !is_exited (thread->ptid) | |
2352 | && !is_executing (thread->ptid) | |
2353 | && !thread->stop_requested | |
a493e3e2 | 2354 | && thread->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed PA |
2355 | { |
2356 | switch_to_thread (thread->ptid); | |
2357 | clear_proceed_status (); | |
a493e3e2 | 2358 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
74531fed PA |
2359 | } |
2360 | ||
2361 | return 0; | |
2362 | } | |
2363 | ||
2364 | static void | |
2365 | proceed_after_attach (int pid) | |
2366 | { | |
2367 | /* Don't error out if the current thread is running, because | |
2368 | there may be other stopped threads. */ | |
2369 | struct cleanup *old_chain; | |
2370 | ||
2371 | /* Backup current thread and selected frame. */ | |
2372 | old_chain = make_cleanup_restore_current_thread (); | |
2373 | ||
2374 | iterate_over_threads (proceed_after_attach_callback, &pid); | |
2375 | ||
2376 | /* Restore selected ptid. */ | |
2377 | do_cleanups (old_chain); | |
2378 | } | |
2379 | ||
c906108c SS |
2380 | /* |
2381 | * TODO: | |
2382 | * Should save/restore the tty state since it might be that the | |
2383 | * program to be debugged was started on this tty and it wants | |
2384 | * the tty in some state other than what we want. If it's running | |
2385 | * on another terminal or without a terminal, then saving and | |
2386 | * restoring the tty state is a harmless no-op. | |
2387 | * This only needs to be done if we are attaching to a process. | |
2388 | */ | |
2389 | ||
1777feb0 | 2390 | /* attach_command -- |
c906108c SS |
2391 | takes a program started up outside of gdb and ``attaches'' to it. |
2392 | This stops it cold in its tracks and allows us to start debugging it. | |
2393 | and wait for the trace-trap that results from attaching. */ | |
2394 | ||
9356cf8d PA |
2395 | static void |
2396 | attach_command_post_wait (char *args, int from_tty, int async_exec) | |
2397 | { | |
2398 | char *exec_file; | |
2399 | char *full_exec_path = NULL; | |
d6b48e9c | 2400 | struct inferior *inferior; |
9356cf8d | 2401 | |
d6b48e9c | 2402 | inferior = current_inferior (); |
16c381f0 | 2403 | inferior->control.stop_soon = NO_STOP_QUIETLY; |
9356cf8d PA |
2404 | |
2405 | /* If no exec file is yet known, try to determine it from the | |
2406 | process itself. */ | |
2407 | exec_file = (char *) get_exec_file (0); | |
2408 | if (!exec_file) | |
2409 | { | |
dfd4cc63 | 2410 | exec_file = target_pid_to_exec_file (ptid_get_pid (inferior_ptid)); |
9356cf8d PA |
2411 | if (exec_file) |
2412 | { | |
2413 | /* It's possible we don't have a full path, but rather just a | |
2414 | filename. Some targets, such as HP-UX, don't provide the | |
2415 | full path, sigh. | |
2416 | ||
2417 | Attempt to qualify the filename against the source path. | |
2418 | (If that fails, we'll just fall back on the original | |
1777feb0 MS |
2419 | filename. Not much more we can do...) */ |
2420 | ||
9356cf8d | 2421 | if (!source_full_path_of (exec_file, &full_exec_path)) |
1b36a34b | 2422 | full_exec_path = xstrdup (exec_file); |
9356cf8d PA |
2423 | |
2424 | exec_file_attach (full_exec_path, from_tty); | |
2425 | symbol_file_add_main (full_exec_path, from_tty); | |
2426 | } | |
2427 | } | |
2428 | else | |
2429 | { | |
2430 | reopen_exec_file (); | |
2431 | reread_symbols (); | |
2432 | } | |
2433 | ||
2434 | /* Take any necessary post-attaching actions for this platform. */ | |
dfd4cc63 | 2435 | target_post_attach (ptid_get_pid (inferior_ptid)); |
9356cf8d PA |
2436 | |
2437 | post_create_inferior (¤t_target, from_tty); | |
2438 | ||
2439 | /* Install inferior's terminal modes. */ | |
2440 | target_terminal_inferior (); | |
2441 | ||
2442 | if (async_exec) | |
74531fed PA |
2443 | { |
2444 | /* The user requested an `attach&', so be sure to leave threads | |
2445 | that didn't get a signal running. */ | |
2446 | ||
2447 | /* Immediatelly resume all suspended threads of this inferior, | |
2448 | and this inferior only. This should have no effect on | |
2449 | already running threads. If a thread has been stopped with a | |
2450 | signal, leave it be. */ | |
2451 | if (non_stop) | |
2452 | proceed_after_attach (inferior->pid); | |
2453 | else | |
2454 | { | |
a493e3e2 | 2455 | if (inferior_thread ()->suspend.stop_signal == GDB_SIGNAL_0) |
74531fed PA |
2456 | { |
2457 | clear_proceed_status (); | |
a493e3e2 | 2458 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT, 0); |
74531fed PA |
2459 | } |
2460 | } | |
2461 | } | |
9356cf8d PA |
2462 | else |
2463 | { | |
74531fed PA |
2464 | /* The user requested a plain `attach', so be sure to leave |
2465 | the inferior stopped. */ | |
2466 | ||
9356cf8d PA |
2467 | if (target_can_async_p ()) |
2468 | async_enable_stdin (); | |
74531fed PA |
2469 | |
2470 | /* At least the current thread is already stopped. */ | |
2471 | ||
2472 | /* In all-stop, by definition, all threads have to be already | |
2473 | stopped at this point. In non-stop, however, although the | |
2474 | selected thread is stopped, others may still be executing. | |
2475 | Be sure to explicitly stop all threads of the process. This | |
2476 | should have no effect on already stopped threads. */ | |
2477 | if (non_stop) | |
2478 | target_stop (pid_to_ptid (inferior->pid)); | |
2479 | ||
2480 | /* Tell the user/frontend where we're stopped. */ | |
9356cf8d PA |
2481 | normal_stop (); |
2482 | if (deprecated_attach_hook) | |
2483 | deprecated_attach_hook (); | |
2484 | } | |
2485 | } | |
2486 | ||
bfec99b2 | 2487 | struct attach_command_continuation_args |
9356cf8d PA |
2488 | { |
2489 | char *args; | |
2490 | int from_tty; | |
2491 | int async_exec; | |
bfec99b2 | 2492 | }; |
9356cf8d | 2493 | |
bfec99b2 | 2494 | static void |
fa4cd53f | 2495 | attach_command_continuation (void *args, int err) |
bfec99b2 PA |
2496 | { |
2497 | struct attach_command_continuation_args *a = args; | |
abbb1732 | 2498 | |
fa4cd53f PA |
2499 | if (err) |
2500 | return; | |
2501 | ||
bfec99b2 | 2502 | attach_command_post_wait (a->args, a->from_tty, a->async_exec); |
9356cf8d PA |
2503 | } |
2504 | ||
604ead4a PA |
2505 | static void |
2506 | attach_command_continuation_free_args (void *args) | |
2507 | { | |
2508 | struct attach_command_continuation_args *a = args; | |
abbb1732 | 2509 | |
604ead4a PA |
2510 | xfree (a->args); |
2511 | xfree (a); | |
2512 | } | |
2513 | ||
c906108c | 2514 | void |
fba45db2 | 2515 | attach_command (char *args, int from_tty) |
c906108c | 2516 | { |
9356cf8d | 2517 | int async_exec = 0; |
cb0362bb | 2518 | struct cleanup *back_to = make_cleanup (null_cleanup, NULL); |
c906108c | 2519 | |
c5aa993b | 2520 | dont_repeat (); /* Not for the faint of heart */ |
c906108c | 2521 | |
f5656ead | 2522 | if (gdbarch_has_global_solist (target_gdbarch ())) |
2567c7d9 PA |
2523 | /* Don't complain if all processes share the same symbol |
2524 | space. */ | |
8a305172 PA |
2525 | ; |
2526 | else if (target_has_execution) | |
c906108c | 2527 | { |
9e2f0ad4 | 2528 | if (query (_("A program is being debugged already. Kill it? "))) |
c906108c SS |
2529 | target_kill (); |
2530 | else | |
8a3fe4f8 | 2531 | error (_("Not killed.")); |
c906108c SS |
2532 | } |
2533 | ||
fd79ecee DJ |
2534 | /* Clean up any leftovers from other runs. Some other things from |
2535 | this function should probably be moved into target_pre_inferior. */ | |
2536 | target_pre_inferior (from_tty); | |
2537 | ||
9908b566 VP |
2538 | if (non_stop && !target_supports_non_stop ()) |
2539 | error (_("Cannot attach to this target in non-stop mode")); | |
2540 | ||
9356cf8d PA |
2541 | if (args) |
2542 | { | |
2543 | async_exec = strip_bg_char (&args); | |
2544 | ||
2545 | /* If we get a request for running in the bg but the target | |
1777feb0 | 2546 | doesn't support it, error out. */ |
9356cf8d PA |
2547 | if (async_exec && !target_can_async_p ()) |
2548 | error (_("Asynchronous execution not supported on this target.")); | |
2549 | } | |
2550 | ||
2551 | /* If we don't get a request of running in the bg, then we need | |
2552 | to simulate synchronous (fg) execution. */ | |
2553 | if (!async_exec && target_can_async_p ()) | |
2554 | { | |
1777feb0 | 2555 | /* Simulate synchronous execution. */ |
9356cf8d | 2556 | async_disable_stdin (); |
cb0362bb | 2557 | make_cleanup ((make_cleanup_ftype *)async_enable_stdin, NULL); |
9356cf8d PA |
2558 | } |
2559 | ||
c906108c SS |
2560 | target_attach (args, from_tty); |
2561 | ||
2562 | /* Set up the "saved terminal modes" of the inferior | |
2563 | based on what modes we are starting it with. */ | |
2564 | target_terminal_init (); | |
2565 | ||
c906108c SS |
2566 | /* Set up execution context to know that we should return from |
2567 | wait_for_inferior as soon as the target reports a stop. */ | |
2568 | init_wait_for_inferior (); | |
2569 | clear_proceed_status (); | |
c906108c | 2570 | |
74531fed PA |
2571 | if (non_stop) |
2572 | { | |
2573 | /* If we find that the current thread isn't stopped, explicitly | |
2574 | do so now, because we're going to install breakpoints and | |
2575 | poke at memory. */ | |
2576 | ||
2577 | if (async_exec) | |
2578 | /* The user requested an `attach&'; stop just one thread. */ | |
2579 | target_stop (inferior_ptid); | |
2580 | else | |
2581 | /* The user requested an `attach', so stop all threads of this | |
2582 | inferior. */ | |
2583 | target_stop (pid_to_ptid (ptid_get_pid (inferior_ptid))); | |
2584 | } | |
2585 | ||
dc177b7a PA |
2586 | /* Some system don't generate traps when attaching to inferior. |
2587 | E.g. Mach 3 or GNU hurd. */ | |
2588 | if (!target_attach_no_wait) | |
c5aa993b | 2589 | { |
d6b48e9c PA |
2590 | struct inferior *inferior = current_inferior (); |
2591 | ||
1777feb0 | 2592 | /* Careful here. See comments in inferior.h. Basically some |
dc177b7a PA |
2593 | OSes don't ignore SIGSTOPs on continue requests anymore. We |
2594 | need a way for handle_inferior_event to reset the stop_signal | |
2595 | variable after an attach, and this is what | |
2596 | STOP_QUIETLY_NO_SIGSTOP is for. */ | |
16c381f0 | 2597 | inferior->control.stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c5aa993b | 2598 | |
dc177b7a PA |
2599 | if (target_can_async_p ()) |
2600 | { | |
2601 | /* sync_execution mode. Wait for stop. */ | |
bfec99b2 PA |
2602 | struct attach_command_continuation_args *a; |
2603 | ||
2604 | a = xmalloc (sizeof (*a)); | |
2605 | a->args = xstrdup (args); | |
2606 | a->from_tty = from_tty; | |
2607 | a->async_exec = async_exec; | |
e0ba6746 PA |
2608 | add_inferior_continuation (attach_command_continuation, a, |
2609 | attach_command_continuation_free_args); | |
cb0362bb | 2610 | discard_cleanups (back_to); |
dc177b7a PA |
2611 | return; |
2612 | } | |
c906108c | 2613 | |
e4c8541f | 2614 | wait_for_inferior (); |
dc177b7a | 2615 | } |
6426a772 | 2616 | |
9356cf8d | 2617 | attach_command_post_wait (args, from_tty, async_exec); |
cb0362bb | 2618 | discard_cleanups (back_to); |
c906108c SS |
2619 | } |
2620 | ||
1941c569 PA |
2621 | /* We had just found out that the target was already attached to an |
2622 | inferior. PTID points at a thread of this new inferior, that is | |
2623 | the most likely to be stopped right now, but not necessarily so. | |
2624 | The new inferior is assumed to be already added to the inferior | |
2625 | list at this point. If LEAVE_RUNNING, then leave the threads of | |
2626 | this inferior running, except those we've explicitly seen reported | |
2627 | as stopped. */ | |
2628 | ||
2629 | void | |
2630 | notice_new_inferior (ptid_t ptid, int leave_running, int from_tty) | |
2631 | { | |
2632 | struct cleanup* old_chain; | |
2633 | int async_exec; | |
2634 | ||
2635 | old_chain = make_cleanup (null_cleanup, NULL); | |
2636 | ||
2637 | /* If in non-stop, leave threads as running as they were. If | |
2638 | they're stopped for some reason other than us telling it to, the | |
a493e3e2 | 2639 | target reports a signal != GDB_SIGNAL_0. We don't try to |
1941c569 PA |
2640 | resume threads with such a stop signal. */ |
2641 | async_exec = non_stop; | |
2642 | ||
2643 | if (!ptid_equal (inferior_ptid, null_ptid)) | |
2644 | make_cleanup_restore_current_thread (); | |
2645 | ||
2646 | switch_to_thread (ptid); | |
2647 | ||
2648 | /* When we "notice" a new inferior we need to do all the things we | |
2649 | would normally do if we had just attached to it. */ | |
2650 | ||
2651 | if (is_executing (inferior_ptid)) | |
2652 | { | |
2653 | struct inferior *inferior = current_inferior (); | |
2654 | ||
2655 | /* We're going to install breakpoints, and poke at memory, | |
2656 | ensure that the inferior is stopped for a moment while we do | |
2657 | that. */ | |
2658 | target_stop (inferior_ptid); | |
2659 | ||
16c381f0 | 2660 | inferior->control.stop_soon = STOP_QUIETLY_REMOTE; |
1941c569 PA |
2661 | |
2662 | /* Wait for stop before proceeding. */ | |
2663 | if (target_can_async_p ()) | |
2664 | { | |
2665 | struct attach_command_continuation_args *a; | |
2666 | ||
2667 | a = xmalloc (sizeof (*a)); | |
2668 | a->args = xstrdup (""); | |
2669 | a->from_tty = from_tty; | |
2670 | a->async_exec = async_exec; | |
2671 | add_inferior_continuation (attach_command_continuation, a, | |
2672 | attach_command_continuation_free_args); | |
2673 | ||
2674 | do_cleanups (old_chain); | |
2675 | return; | |
2676 | } | |
2677 | else | |
e4c8541f | 2678 | wait_for_inferior (); |
1941c569 PA |
2679 | } |
2680 | ||
2681 | async_exec = leave_running; | |
2682 | attach_command_post_wait ("" /* args */, from_tty, async_exec); | |
2683 | ||
2684 | do_cleanups (old_chain); | |
2685 | } | |
2686 | ||
c906108c SS |
2687 | /* |
2688 | * detach_command -- | |
2689 | * takes a program previously attached to and detaches it. | |
2690 | * The program resumes execution and will no longer stop | |
2691 | * on signals, etc. We better not have left any breakpoints | |
2692 | * in the program or it'll die when it hits one. For this | |
2693 | * to work, it may be necessary for the process to have been | |
2694 | * previously attached. It *might* work if the program was | |
2695 | * started via the normal ptrace (PTRACE_TRACEME). | |
2696 | */ | |
2697 | ||
6418d433 | 2698 | void |
fba45db2 | 2699 | detach_command (char *args, int from_tty) |
c906108c | 2700 | { |
1f5d0fc9 | 2701 | dont_repeat (); /* Not for the faint of heart. */ |
d729566a PA |
2702 | |
2703 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2704 | error (_("The program is not being run.")); | |
2705 | ||
2f9d54cf PA |
2706 | query_if_trace_running (from_tty); |
2707 | ||
2708 | disconnect_tracing (); | |
d5551862 | 2709 | |
c906108c | 2710 | target_detach (args, from_tty); |
50c71eaf PA |
2711 | |
2712 | /* If the solist is global across inferiors, don't clear it when we | |
2713 | detach from a single inferior. */ | |
f5656ead | 2714 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
50c71eaf | 2715 | no_shared_libraries (NULL, from_tty); |
8a305172 | 2716 | |
c35b1492 PA |
2717 | /* If we still have inferiors to debug, then don't mess with their |
2718 | threads. */ | |
2719 | if (!have_inferiors ()) | |
8a305172 PA |
2720 | init_thread_list (); |
2721 | ||
9a4105ab AC |
2722 | if (deprecated_detach_hook) |
2723 | deprecated_detach_hook (); | |
c906108c SS |
2724 | } |
2725 | ||
6ad8ae5c DJ |
2726 | /* Disconnect from the current target without resuming it (leaving it |
2727 | waiting for a debugger). | |
2728 | ||
2729 | We'd better not have left any breakpoints in the program or the | |
2730 | next debugger will get confused. Currently only supported for some | |
2731 | remote targets, since the normal attach mechanisms don't work on | |
2732 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
2733 | ||
2734 | static void | |
2735 | disconnect_command (char *args, int from_tty) | |
2736 | { | |
1777feb0 | 2737 | dont_repeat (); /* Not for the faint of heart. */ |
2f9d54cf PA |
2738 | query_if_trace_running (from_tty); |
2739 | disconnect_tracing (); | |
6ad8ae5c | 2740 | target_disconnect (args, from_tty); |
e85a822c | 2741 | no_shared_libraries (NULL, from_tty); |
a0ef4274 | 2742 | init_thread_list (); |
9a4105ab AC |
2743 | if (deprecated_detach_hook) |
2744 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
2745 | } |
2746 | ||
77ebaa5a VP |
2747 | void |
2748 | interrupt_target_1 (int all_threads) | |
2749 | { | |
2750 | ptid_t ptid; | |
abbb1732 | 2751 | |
77ebaa5a VP |
2752 | if (all_threads) |
2753 | ptid = minus_one_ptid; | |
2754 | else | |
2755 | ptid = inferior_ptid; | |
2756 | target_stop (ptid); | |
252fbfc8 PA |
2757 | |
2758 | /* Tag the thread as having been explicitly requested to stop, so | |
2759 | other parts of gdb know not to resume this thread automatically, | |
2760 | if it was stopped due to an internal event. Limit this to | |
2761 | non-stop mode, as when debugging a multi-threaded application in | |
2762 | all-stop mode, we will only get one stop event --- it's undefined | |
2763 | which thread will report the event. */ | |
2764 | if (non_stop) | |
2765 | set_stop_requested (ptid, 1); | |
77ebaa5a VP |
2766 | } |
2767 | ||
43ff13b4 | 2768 | /* Stop the execution of the target while running in async mode, in |
8cae4b3f PA |
2769 | the backgound. In all-stop, stop the whole process. In non-stop |
2770 | mode, stop the current thread only by default, or stop all threads | |
2771 | if the `-a' switch is used. */ | |
2772 | ||
2773 | /* interrupt [-a] */ | |
1dd5fedc | 2774 | static void |
fba45db2 | 2775 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 2776 | { |
362646f5 | 2777 | if (target_can_async_p ()) |
43ff13b4 | 2778 | { |
8cae4b3f PA |
2779 | int all_threads = 0; |
2780 | ||
1777feb0 | 2781 | dont_repeat (); /* Not for the faint of heart. */ |
94cc34af | 2782 | |
8cae4b3f PA |
2783 | if (args != NULL |
2784 | && strncmp (args, "-a", sizeof ("-a") - 1) == 0) | |
2785 | all_threads = 1; | |
2786 | ||
2787 | if (!non_stop && all_threads) | |
2788 | error (_("-a is meaningless in all-stop mode.")); | |
2789 | ||
77ebaa5a | 2790 | interrupt_target_1 (all_threads); |
43ff13b4 JM |
2791 | } |
2792 | } | |
2793 | ||
c906108c | 2794 | static void |
d80b854b | 2795 | print_float_info (struct ui_file *file, |
23e3a7ac | 2796 | struct frame_info *frame, const char *args) |
c906108c | 2797 | { |
d80b854b UW |
2798 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2799 | ||
23e3a7ac AC |
2800 | if (gdbarch_print_float_info_p (gdbarch)) |
2801 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
2802 | else | |
2803 | { | |
23e3a7ac AC |
2804 | int regnum; |
2805 | int printed_something = 0; | |
ab4327e0 | 2806 | |
f57d151a | 2807 | for (regnum = 0; |
a4bd449d UW |
2808 | regnum < gdbarch_num_regs (gdbarch) |
2809 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2810 | regnum++) |
23e3a7ac | 2811 | { |
f9418c0f | 2812 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
2813 | { |
2814 | printed_something = 1; | |
23e3a7ac | 2815 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
2816 | } |
2817 | } | |
2818 | if (!printed_something) | |
3e43a32a MS |
2819 | fprintf_filtered (file, "No floating-point info " |
2820 | "available for this processor.\n"); | |
23e3a7ac AC |
2821 | } |
2822 | } | |
2823 | ||
2824 | static void | |
2825 | float_info (char *args, int from_tty) | |
2826 | { | |
206415a3 DJ |
2827 | if (!target_has_registers) |
2828 | error (_("The program has no registers now.")); | |
2829 | ||
d80b854b | 2830 | print_float_info (gdb_stdout, get_selected_frame (NULL), args); |
c906108c SS |
2831 | } |
2832 | \f | |
c906108c | 2833 | static void |
fba45db2 | 2834 | unset_command (char *args, int from_tty) |
c906108c | 2835 | { |
3e43a32a MS |
2836 | printf_filtered (_("\"unset\" must be followed by the " |
2837 | "name of an unset subcommand.\n")); | |
c906108c SS |
2838 | help_list (unsetlist, "unset ", -1, gdb_stdout); |
2839 | } | |
2840 | ||
145b16a9 UW |
2841 | /* Implement `info proc' family of commands. */ |
2842 | ||
2843 | static void | |
2844 | info_proc_cmd_1 (char *args, enum info_proc_what what, int from_tty) | |
2845 | { | |
3030c96e UW |
2846 | struct gdbarch *gdbarch = get_current_arch (); |
2847 | ||
451b7c33 TT |
2848 | if (!target_info_proc (args, what)) |
2849 | { | |
2850 | if (gdbarch_info_proc_p (gdbarch)) | |
2851 | gdbarch_info_proc (gdbarch, args, what); | |
2852 | else | |
2853 | error (_("Not supported on this target.")); | |
2854 | } | |
145b16a9 UW |
2855 | } |
2856 | ||
2857 | /* Implement `info proc' when given without any futher parameters. */ | |
2858 | ||
2859 | static void | |
2860 | info_proc_cmd (char *args, int from_tty) | |
2861 | { | |
2862 | info_proc_cmd_1 (args, IP_MINIMAL, from_tty); | |
2863 | } | |
2864 | ||
2865 | /* Implement `info proc mappings'. */ | |
2866 | ||
2867 | static void | |
2868 | info_proc_cmd_mappings (char *args, int from_tty) | |
2869 | { | |
2870 | info_proc_cmd_1 (args, IP_MAPPINGS, from_tty); | |
2871 | } | |
2872 | ||
2873 | /* Implement `info proc stat'. */ | |
2874 | ||
2875 | static void | |
2876 | info_proc_cmd_stat (char *args, int from_tty) | |
2877 | { | |
2878 | info_proc_cmd_1 (args, IP_STAT, from_tty); | |
2879 | } | |
2880 | ||
2881 | /* Implement `info proc status'. */ | |
2882 | ||
2883 | static void | |
2884 | info_proc_cmd_status (char *args, int from_tty) | |
2885 | { | |
2886 | info_proc_cmd_1 (args, IP_STATUS, from_tty); | |
2887 | } | |
2888 | ||
2889 | /* Implement `info proc cwd'. */ | |
2890 | ||
2891 | static void | |
2892 | info_proc_cmd_cwd (char *args, int from_tty) | |
2893 | { | |
2894 | info_proc_cmd_1 (args, IP_CWD, from_tty); | |
2895 | } | |
2896 | ||
2897 | /* Implement `info proc cmdline'. */ | |
2898 | ||
2899 | static void | |
2900 | info_proc_cmd_cmdline (char *args, int from_tty) | |
2901 | { | |
2902 | info_proc_cmd_1 (args, IP_CMDLINE, from_tty); | |
2903 | } | |
2904 | ||
2905 | /* Implement `info proc exe'. */ | |
2906 | ||
2907 | static void | |
2908 | info_proc_cmd_exe (char *args, int from_tty) | |
2909 | { | |
2910 | info_proc_cmd_1 (args, IP_EXE, from_tty); | |
2911 | } | |
2912 | ||
2913 | /* Implement `info proc all'. */ | |
2914 | ||
2915 | static void | |
2916 | info_proc_cmd_all (char *args, int from_tty) | |
2917 | { | |
2918 | info_proc_cmd_1 (args, IP_ALL, from_tty); | |
2919 | } | |
2920 | ||
c906108c | 2921 | void |
fba45db2 | 2922 | _initialize_infcmd (void) |
c906108c | 2923 | { |
145b16a9 | 2924 | static struct cmd_list_element *info_proc_cmdlist; |
3cb3b8df | 2925 | struct cmd_list_element *c = NULL; |
6f937416 | 2926 | const char *cmd_name; |
3cb3b8df | 2927 | |
1777feb0 | 2928 | /* Add the filename of the terminal connected to inferior I/O. */ |
3cb3b8df | 2929 | add_setshow_filename_cmd ("inferior-tty", class_run, |
3f81c18a | 2930 | &inferior_io_terminal_scratch, _("\ |
3cb3b8df BR |
2931 | Set terminal for future runs of program being debugged."), _("\ |
2932 | Show terminal for future runs of program being debugged."), _("\ | |
3f81c18a VP |
2933 | Usage: set inferior-tty /dev/pts/1"), |
2934 | set_inferior_tty_command, | |
2935 | show_inferior_tty_command, | |
2936 | &setlist, &showlist); | |
3cb3b8df | 2937 | add_com_alias ("tty", "set inferior-tty", class_alias, 0); |
c906108c | 2938 | |
6ace3df1 YQ |
2939 | cmd_name = "args"; |
2940 | add_setshow_string_noescape_cmd (cmd_name, class_run, | |
2941 | &inferior_args_scratch, _("\ | |
b4b4ac0b AC |
2942 | Set argument list to give program being debugged when it is started."), _("\ |
2943 | Show argument list to give program being debugged when it is started."), _("\ | |
2944 | Follow this command with any number of args, to be passed to the program."), | |
6ace3df1 YQ |
2945 | set_args_command, |
2946 | show_args_command, | |
2947 | &setlist, &showlist); | |
2948 | c = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
2949 | gdb_assert (c != NULL); | |
2950 | set_cmd_completer (c, filename_completer); | |
c906108c | 2951 | |
1a966eab AC |
2952 | c = add_cmd ("environment", no_class, environment_info, _("\ |
2953 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
2954 | With an argument VAR, prints the value of environment variable VAR to\n\ |
2955 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 2956 | environment to be given to the program."), &showlist); |
5ba2abeb | 2957 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2958 | |
2959 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 2960 | _("Complement to certain \"set\" commands."), |
c906108c | 2961 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2962 | |
1a966eab AC |
2963 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
2964 | Cancel environment variable VAR for the program.\n\ | |
2965 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 2966 | &unsetlist); |
5ba2abeb | 2967 | set_cmd_completer (c, noop_completer); |
c906108c | 2968 | |
1a966eab AC |
2969 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
2970 | Set environment variable value to give the program.\n\ | |
c906108c SS |
2971 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
2972 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 2973 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 2974 | &setlist); |
5ba2abeb | 2975 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2976 | |
1bedd215 AC |
2977 | c = add_com ("path", class_files, path_command, _("\ |
2978 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2979 | $cwd in the path means the current working directory.\n\ |
2980 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2981 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
2982 | fully linked executable files and separately compiled object files as \ |
2983 | needed.")); | |
5ba2abeb | 2984 | set_cmd_completer (c, filename_completer); |
c906108c | 2985 | |
1a966eab AC |
2986 | c = add_cmd ("paths", no_class, path_info, _("\ |
2987 | Current search path for finding object files.\n\ | |
c906108c SS |
2988 | $cwd in the path means the current working directory.\n\ |
2989 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2990 | directories, separated by colons. These directories are searched to find\n\ | |
3e43a32a MS |
2991 | fully linked executable files and separately compiled object files as \ |
2992 | needed."), | |
c906108c | 2993 | &showlist); |
5ba2abeb | 2994 | set_cmd_completer (c, noop_completer); |
c906108c | 2995 | |
2277426b PA |
2996 | add_prefix_cmd ("kill", class_run, kill_command, |
2997 | _("Kill execution of program being debugged."), | |
2998 | &killlist, "kill ", 0, &cmdlist); | |
5fd62852 | 2999 | |
1bedd215 AC |
3000 | add_com ("attach", class_run, attach_command, _("\ |
3001 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
3002 | This command attaches to another target, of the same type as your last\n\ |
3003 | \"target\" command (\"info files\" will show your target stack).\n\ | |
3004 | The command may take as argument a process id or a device file.\n\ | |
3005 | For a process id, you must have permission to send the process a signal,\n\ | |
3006 | and it must have the same effective uid as the debugger.\n\ | |
3007 | When using \"attach\" with a process id, the debugger finds the\n\ | |
3008 | program running in the process, looking first in the current working\n\ | |
3009 | directory, or (if not found there) using the source file search path\n\ | |
3010 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 3011 | to specify the program, and to load its symbol table.")); |
c906108c | 3012 | |
f73adfeb | 3013 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 3014 | Detach a process or file previously attached.\n\ |
c906108c | 3015 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
3016 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
3017 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 3018 | |
1bedd215 AC |
3019 | add_com ("disconnect", class_run, disconnect_command, _("\ |
3020 | Disconnect from a target.\n\ | |
6ad8ae5c | 3021 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 3022 | all targets.")); |
6ad8ae5c | 3023 | |
de0bea00 | 3024 | c = add_com ("signal", class_run, signal_command, _("\ |
486c7739 MF |
3025 | Continue program with the specified signal.\n\ |
3026 | Usage: signal SIGNAL\n\ | |
2edda2ff | 3027 | The SIGNAL argument is processed the same as the handle command.\n\ |
486c7739 MF |
3028 | \n\ |
3029 | An argument of \"0\" means continue the program without sending it a signal.\n\ | |
3030 | This is useful in cases where the program stopped because of a signal,\n\ | |
3031 | and you want to resume the program while discarding the signal.")); | |
de0bea00 | 3032 | set_cmd_completer (c, signal_completer); |
c906108c | 3033 | |
1bedd215 AC |
3034 | add_com ("stepi", class_run, stepi_command, _("\ |
3035 | Step one instruction exactly.\n\ | |
486c7739 MF |
3036 | Usage: stepi [N]\n\ |
3037 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3038 | reason).")); |
c906108c SS |
3039 | add_com_alias ("si", "stepi", class_alias, 0); |
3040 | ||
1bedd215 AC |
3041 | add_com ("nexti", class_run, nexti_command, _("\ |
3042 | Step one instruction, but proceed through subroutine calls.\n\ | |
486c7739 MF |
3043 | Usage: nexti [N]\n\ |
3044 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3045 | reason).")); |
c906108c SS |
3046 | add_com_alias ("ni", "nexti", class_alias, 0); |
3047 | ||
1bedd215 AC |
3048 | add_com ("finish", class_run, finish_command, _("\ |
3049 | Execute until selected stack frame returns.\n\ | |
486c7739 | 3050 | Usage: finish\n\ |
1bedd215 | 3051 | Upon return, the value returned is printed and put in the value history.")); |
0e479716 | 3052 | add_com_alias ("fin", "finish", class_run, 1); |
c906108c | 3053 | |
1bedd215 AC |
3054 | add_com ("next", class_run, next_command, _("\ |
3055 | Step program, proceeding through subroutine calls.\n\ | |
486c7739 MF |
3056 | Usage: next [N]\n\ |
3057 | Unlike \"step\", if the current source line calls a subroutine,\n\ | |
3058 | this command does not enter the subroutine, but instead steps over\n\ | |
dbf6a605 | 3059 | the call, in effect treating it as a single source line.")); |
c906108c SS |
3060 | add_com_alias ("n", "next", class_run, 1); |
3061 | if (xdb_commands) | |
c5aa993b | 3062 | add_com_alias ("S", "next", class_run, 1); |
c906108c | 3063 | |
1bedd215 AC |
3064 | add_com ("step", class_run, step_command, _("\ |
3065 | Step program until it reaches a different source line.\n\ | |
486c7739 MF |
3066 | Usage: step [N]\n\ |
3067 | Argument N means step N times (or till program stops for another \ | |
3e43a32a | 3068 | reason).")); |
c906108c SS |
3069 | add_com_alias ("s", "step", class_run, 1); |
3070 | ||
1bedd215 AC |
3071 | c = add_com ("until", class_run, until_command, _("\ |
3072 | Execute until the program reaches a source line greater than the current\n\ | |
3e43a32a MS |
3073 | or a specified location (same args as break command) within the current \ |
3074 | frame.")); | |
5ba2abeb | 3075 | set_cmd_completer (c, location_completer); |
c906108c | 3076 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 3077 | |
1bedd215 | 3078 | c = add_com ("advance", class_run, advance_command, _("\ |
3e43a32a MS |
3079 | Continue the program up to the given location (same form as args for break \ |
3080 | command).\n\ | |
1bedd215 | 3081 | Execution will also stop upon exit from the current stack frame.")); |
ae66c1fc EZ |
3082 | set_cmd_completer (c, location_completer); |
3083 | ||
1bedd215 AC |
3084 | c = add_com ("jump", class_run, jump_command, _("\ |
3085 | Continue program being debugged at specified line or address.\n\ | |
486c7739 | 3086 | Usage: jump <location>\n\ |
c906108c | 3087 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 3088 | for an address to start at.")); |
5ba2abeb | 3089 | set_cmd_completer (c, location_completer); |
c1d780c2 | 3090 | add_com_alias ("j", "jump", class_run, 1); |
c906108c | 3091 | |
b83266a0 | 3092 | if (xdb_commands) |
c94fdfd0 | 3093 | { |
1bedd215 AC |
3094 | c = add_com ("go", class_run, go_command, _("\ |
3095 | Usage: go <location>\n\ | |
c906108c SS |
3096 | Continue program being debugged, stopping at specified line or \n\ |
3097 | address.\n\ | |
3098 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
3099 | expression for an address to start at.\n\ | |
1bedd215 | 3100 | This command is a combination of tbreak and jump.")); |
5ba2abeb | 3101 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 3102 | } |
b83266a0 | 3103 | |
c906108c | 3104 | if (xdb_commands) |
c5aa993b | 3105 | add_com_alias ("g", "go", class_run, 1); |
c906108c | 3106 | |
df983543 | 3107 | add_com ("continue", class_run, continue_command, _("\ |
1bedd215 | 3108 | Continue program being debugged, after signal or breakpoint.\n\ |
486c7739 | 3109 | Usage: continue [N]\n\ |
c906108c SS |
3110 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
3111 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
8cae4b3f PA |
3112 | the breakpoint won't break until the Nth time it is reached).\n\ |
3113 | \n\ | |
3114 | If non-stop mode is enabled, continue only the current thread,\n\ | |
3115 | otherwise all the threads in the program are continued. To \n\ | |
3116 | continue all stopped threads in non-stop mode, use the -a option.\n\ | |
3117 | Specifying -a and an ignore count simultaneously is an error.")); | |
c906108c SS |
3118 | add_com_alias ("c", "cont", class_run, 1); |
3119 | add_com_alias ("fg", "cont", class_run, 1); | |
3120 | ||
1bedd215 AC |
3121 | c = add_com ("run", class_run, run_command, _("\ |
3122 | Start debugged program. You may specify arguments to give it.\n\ | |
c906108c | 3123 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ |
3e43a32a MS |
3124 | Input and output redirection with \">\", \"<\", or \">>\" are also \ |
3125 | allowed.\n\n\ | |
3126 | With no arguments, uses arguments last specified (with \"run\" \ | |
3127 | or \"set args\").\n\ | |
c906108c | 3128 | To cancel previous arguments and run with no arguments,\n\ |
1bedd215 | 3129 | use \"set args\" without arguments.")); |
5ba2abeb | 3130 | set_cmd_completer (c, filename_completer); |
c906108c SS |
3131 | add_com_alias ("r", "run", class_run, 1); |
3132 | if (xdb_commands) | |
3133 | add_com ("R", class_run, run_no_args_command, | |
1bedd215 | 3134 | _("Start debugged program with no arguments.")); |
c906108c | 3135 | |
1bedd215 | 3136 | c = add_com ("start", class_run, start_command, _("\ |
a4d5f2e0 JB |
3137 | Run the debugged program until the beginning of the main procedure.\n\ |
3138 | You may specify arguments to give to your program, just as with the\n\ | |
1bedd215 | 3139 | \"run\" command.")); |
a4d5f2e0 JB |
3140 | set_cmd_completer (c, filename_completer); |
3141 | ||
df983543 MS |
3142 | add_com ("interrupt", class_run, interrupt_target_command, |
3143 | _("Interrupt the execution of the debugged program.\n\ | |
8cae4b3f PA |
3144 | If non-stop mode is enabled, interrupt only the current thread,\n\ |
3145 | otherwise all the threads in the program are stopped. To \n\ | |
3146 | interrupt all running threads in non-stop mode, use the -a option.")); | |
43ff13b4 | 3147 | |
1bedd215 AC |
3148 | add_info ("registers", nofp_registers_info, _("\ |
3149 | List of integer registers and their contents, for selected stack frame.\n\ | |
3150 | Register name as argument means describe only that register.")); | |
7194c49b | 3151 | add_info_alias ("r", "registers", 1); |
c906108c SS |
3152 | |
3153 | if (xdb_commands) | |
1bedd215 AC |
3154 | add_com ("lr", class_info, nofp_registers_info, _("\ |
3155 | List of integer registers and their contents, for selected stack frame.\n\ | |
3156 | Register name as argument means describe only that register.")); | |
3157 | add_info ("all-registers", all_registers_info, _("\ | |
3158 | List of all registers and their contents, for selected stack frame.\n\ | |
3159 | Register name as argument means describe only that register.")); | |
c906108c SS |
3160 | |
3161 | add_info ("program", program_info, | |
1bedd215 | 3162 | _("Execution status of the program.")); |
c906108c SS |
3163 | |
3164 | add_info ("float", float_info, | |
1bedd215 | 3165 | _("Print the status of the floating point unit\n")); |
c906108c | 3166 | |
e76f1f2e | 3167 | add_info ("vector", vector_info, |
1bedd215 | 3168 | _("Print the status of the vector unit\n")); |
145b16a9 UW |
3169 | |
3170 | add_prefix_cmd ("proc", class_info, info_proc_cmd, | |
3171 | _("\ | |
3172 | Show /proc process information about any running process.\n\ | |
3173 | Specify any process id, or use the program being debugged by default."), | |
3174 | &info_proc_cmdlist, "info proc ", | |
3175 | 1/*allow-unknown*/, &infolist); | |
3176 | ||
3177 | add_cmd ("mappings", class_info, info_proc_cmd_mappings, _("\ | |
3178 | List of mapped memory regions."), | |
3179 | &info_proc_cmdlist); | |
3180 | ||
3181 | add_cmd ("stat", class_info, info_proc_cmd_stat, _("\ | |
3182 | List process info from /proc/PID/stat."), | |
3183 | &info_proc_cmdlist); | |
3184 | ||
3185 | add_cmd ("status", class_info, info_proc_cmd_status, _("\ | |
3186 | List process info from /proc/PID/status."), | |
3187 | &info_proc_cmdlist); | |
3188 | ||
3189 | add_cmd ("cwd", class_info, info_proc_cmd_cwd, _("\ | |
3190 | List current working directory of the process."), | |
3191 | &info_proc_cmdlist); | |
3192 | ||
3193 | add_cmd ("cmdline", class_info, info_proc_cmd_cmdline, _("\ | |
3194 | List command line arguments of the process."), | |
3195 | &info_proc_cmdlist); | |
3196 | ||
3197 | add_cmd ("exe", class_info, info_proc_cmd_exe, _("\ | |
3198 | List absolute filename for executable of the process."), | |
3199 | &info_proc_cmdlist); | |
3200 | ||
3201 | add_cmd ("all", class_info, info_proc_cmd_all, _("\ | |
3202 | List all available /proc info."), | |
3203 | &info_proc_cmdlist); | |
c906108c | 3204 | } |