Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 2 | |
6aba47ca | 3 | Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
9b254dd1 | 4 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
0fb0cc75 | 5 | 2008, 2009 Free Software Foundation, Inc. |
c906108c | 6 | |
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 12 | (at your option) any later version. |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b | 19 | You should have received a copy of the GNU General Public License |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include <signal.h> | |
24 | #include "gdb_string.h" | |
25 | #include "symtab.h" | |
26 | #include "gdbtypes.h" | |
27 | #include "frame.h" | |
28 | #include "inferior.h" | |
29 | #include "environ.h" | |
30 | #include "value.h" | |
31 | #include "gdbcmd.h" | |
1adeb98a | 32 | #include "symfile.h" |
c906108c SS |
33 | #include "gdbcore.h" |
34 | #include "target.h" | |
35 | #include "language.h" | |
36 | #include "symfile.h" | |
37 | #include "objfiles.h" | |
c94fdfd0 | 38 | #include "completer.h" |
8b93c638 | 39 | #include "ui-out.h" |
6426a772 | 40 | #include "event-top.h" |
96baa820 | 41 | #include "parser-defs.h" |
36160dc4 | 42 | #include "regcache.h" |
f9418c0f | 43 | #include "reggroups.h" |
fe898f56 | 44 | #include "block.h" |
a77053c2 | 45 | #include "solib.h" |
f9418c0f | 46 | #include <ctype.h> |
92ad9cd9 | 47 | #include "gdb_assert.h" |
281b533b | 48 | #include "observer.h" |
424163ea | 49 | #include "target-descriptions.h" |
ad842144 | 50 | #include "user-regs.h" |
32c1e744 | 51 | #include "exceptions.h" |
700b53b1 | 52 | #include "cli/cli-decode.h" |
a0ef4274 | 53 | #include "gdbthread.h" |
79a45b7d | 54 | #include "valprint.h" |
edb3359d | 55 | #include "inline-frame.h" |
72cec141 | 56 | |
a58dd373 | 57 | /* Functions exported for general use, in inferior.h: */ |
c906108c | 58 | |
a14ed312 | 59 | void all_registers_info (char *, int); |
c906108c | 60 | |
a14ed312 | 61 | void registers_info (char *, int); |
c906108c | 62 | |
a58dd373 EZ |
63 | void nexti_command (char *, int); |
64 | ||
65 | void stepi_command (char *, int); | |
c906108c | 66 | |
a14ed312 | 67 | void continue_command (char *, int); |
c906108c | 68 | |
a58dd373 EZ |
69 | void interrupt_target_command (char *args, int from_tty); |
70 | ||
71 | /* Local functions: */ | |
72 | ||
73 | static void nofp_registers_info (char *, int); | |
74 | ||
c055b101 CV |
75 | static void print_return_value (struct type *func_type, |
76 | struct type *value_type); | |
11cf8741 | 77 | |
a14ed312 | 78 | static void until_next_command (int); |
c906108c | 79 | |
a14ed312 | 80 | static void until_command (char *, int); |
c906108c | 81 | |
a14ed312 | 82 | static void path_info (char *, int); |
c906108c | 83 | |
a14ed312 | 84 | static void path_command (char *, int); |
c906108c | 85 | |
a14ed312 | 86 | static void unset_command (char *, int); |
c906108c | 87 | |
a14ed312 | 88 | static void float_info (char *, int); |
c906108c | 89 | |
6ad8ae5c DJ |
90 | static void disconnect_command (char *, int); |
91 | ||
a14ed312 | 92 | static void unset_environment_command (char *, int); |
c906108c | 93 | |
a14ed312 | 94 | static void set_environment_command (char *, int); |
c906108c | 95 | |
a14ed312 | 96 | static void environment_info (char *, int); |
c906108c | 97 | |
a14ed312 | 98 | static void program_info (char *, int); |
c906108c | 99 | |
a14ed312 | 100 | static void finish_command (char *, int); |
c906108c | 101 | |
a14ed312 | 102 | static void signal_command (char *, int); |
c906108c | 103 | |
a14ed312 | 104 | static void jump_command (char *, int); |
c906108c | 105 | |
a14ed312 | 106 | static void step_1 (int, int, char *); |
611c83ae | 107 | static void step_once (int skip_subroutines, int single_inst, int count, int thread); |
c906108c | 108 | |
a14ed312 | 109 | static void next_command (char *, int); |
c906108c | 110 | |
a14ed312 | 111 | static void step_command (char *, int); |
c906108c | 112 | |
a14ed312 | 113 | static void run_command (char *, int); |
c906108c | 114 | |
a14ed312 | 115 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 116 | |
a14ed312 | 117 | static void go_command (char *line_no, int from_tty); |
392a587b | 118 | |
a14ed312 | 119 | static int strip_bg_char (char **); |
43ff13b4 | 120 | |
a14ed312 | 121 | void _initialize_infcmd (void); |
c906108c | 122 | |
c906108c | 123 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 124 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c SS |
125 | |
126 | /* String containing arguments to give to the program, separated by spaces. | |
127 | Empty string (pointer to '\0') means no args. */ | |
128 | ||
129 | static char *inferior_args; | |
130 | ||
552c04a7 TT |
131 | /* The inferior arguments as a vector. If INFERIOR_ARGC is nonzero, |
132 | then we must compute INFERIOR_ARGS from this (via the target). */ | |
133 | ||
134 | static int inferior_argc; | |
135 | static char **inferior_argv; | |
136 | ||
c906108c SS |
137 | /* File name for default use for standard in/out in the inferior. */ |
138 | ||
3cb3b8df | 139 | static char *inferior_io_terminal; |
c906108c SS |
140 | |
141 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
142 | Since various parts of infrun.c test this to see whether there is a program | |
143 | being debugged it should be nonzero (currently 3 is used) for remote | |
144 | debugging. */ | |
145 | ||
39f77062 | 146 | ptid_t inferior_ptid; |
c906108c | 147 | |
c906108c SS |
148 | /* Address at which inferior stopped. */ |
149 | ||
150 | CORE_ADDR stop_pc; | |
151 | ||
c906108c SS |
152 | /* Flag indicating that a command has proceeded the inferior past the |
153 | current breakpoint. */ | |
154 | ||
155 | int breakpoint_proceeded; | |
156 | ||
c906108c SS |
157 | /* Nonzero if stopped due to completion of a stack dummy routine. */ |
158 | ||
159 | int stop_stack_dummy; | |
160 | ||
161 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
162 | process. */ | |
163 | ||
164 | int stopped_by_random_signal; | |
165 | ||
c906108c SS |
166 | /* Environment to use for running inferior, |
167 | in format described in environ.h. */ | |
168 | ||
1bf1958d | 169 | struct gdb_environ *inferior_environ; |
c906108c | 170 | \f |
07091751 FN |
171 | /* Accessor routines. */ |
172 | ||
3cb3b8df BR |
173 | void |
174 | set_inferior_io_terminal (const char *terminal_name) | |
175 | { | |
176 | if (inferior_io_terminal) | |
177 | xfree (inferior_io_terminal); | |
178 | ||
179 | if (!terminal_name) | |
180 | inferior_io_terminal = NULL; | |
181 | else | |
1b36a34b | 182 | inferior_io_terminal = xstrdup (terminal_name); |
3cb3b8df BR |
183 | } |
184 | ||
185 | const char * | |
186 | get_inferior_io_terminal (void) | |
187 | { | |
188 | return inferior_io_terminal; | |
189 | } | |
190 | ||
07091751 FN |
191 | char * |
192 | get_inferior_args (void) | |
193 | { | |
552c04a7 TT |
194 | if (inferior_argc != 0) |
195 | { | |
196 | char *n, *old; | |
197 | ||
bd57a748 | 198 | n = construct_inferior_arguments (inferior_argc, inferior_argv); |
552c04a7 TT |
199 | old = set_inferior_args (n); |
200 | xfree (old); | |
201 | } | |
202 | ||
203 | if (inferior_args == NULL) | |
204 | inferior_args = xstrdup (""); | |
205 | ||
07091751 FN |
206 | return inferior_args; |
207 | } | |
208 | ||
209 | char * | |
210 | set_inferior_args (char *newargs) | |
211 | { | |
212 | char *saved_args = inferior_args; | |
213 | ||
214 | inferior_args = newargs; | |
552c04a7 TT |
215 | inferior_argc = 0; |
216 | inferior_argv = 0; | |
07091751 FN |
217 | |
218 | return saved_args; | |
219 | } | |
c5aa993b | 220 | |
552c04a7 TT |
221 | void |
222 | set_inferior_args_vector (int argc, char **argv) | |
223 | { | |
224 | inferior_argc = argc; | |
225 | inferior_argv = argv; | |
226 | } | |
227 | ||
228 | /* Notice when `set args' is run. */ | |
229 | static void | |
230 | notice_args_set (char *args, int from_tty, struct cmd_list_element *c) | |
231 | { | |
232 | inferior_argc = 0; | |
233 | inferior_argv = 0; | |
234 | } | |
235 | ||
236 | /* Notice when `show args' is run. */ | |
237 | static void | |
b4b4ac0b AC |
238 | notice_args_read (struct ui_file *file, int from_tty, |
239 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 240 | { |
258c00cc TT |
241 | /* Note that we ignore the passed-in value in favor of computing it |
242 | directly. */ | |
243 | deprecated_show_value_hack (file, from_tty, c, get_inferior_args ()); | |
552c04a7 TT |
244 | } |
245 | ||
c2a727fa TT |
246 | \f |
247 | /* Compute command-line string given argument vector. This does the | |
248 | same shell processing as fork_inferior. */ | |
c2a727fa | 249 | char * |
bd57a748 | 250 | construct_inferior_arguments (int argc, char **argv) |
c2a727fa TT |
251 | { |
252 | char *result; | |
253 | ||
254 | if (STARTUP_WITH_SHELL) | |
255 | { | |
256 | /* This holds all the characters considered special to the | |
257 | typical Unix shells. We include `^' because the SunOS | |
258 | /bin/sh treats it as a synonym for `|'. */ | |
259 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
260 | int i; | |
261 | int length = 0; | |
262 | char *out, *cp; | |
263 | ||
264 | /* We over-compute the size. It shouldn't matter. */ | |
265 | for (i = 0; i < argc; ++i) | |
c2226152 | 266 | length += 3 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
267 | |
268 | result = (char *) xmalloc (length); | |
269 | out = result; | |
270 | ||
271 | for (i = 0; i < argc; ++i) | |
272 | { | |
273 | if (i > 0) | |
274 | *out++ = ' '; | |
275 | ||
03c6228e AS |
276 | /* Need to handle empty arguments specially. */ |
277 | if (argv[i][0] == '\0') | |
c2a727fa | 278 | { |
03c6228e AS |
279 | *out++ = '\''; |
280 | *out++ = '\''; | |
281 | } | |
282 | else | |
283 | { | |
284 | for (cp = argv[i]; *cp; ++cp) | |
285 | { | |
c2226152 AS |
286 | if (*cp == '\n') |
287 | { | |
288 | /* A newline cannot be quoted with a backslash (it | |
289 | just disappears), only by putting it inside | |
290 | quotes. */ | |
291 | *out++ = '\''; | |
292 | *out++ = '\n'; | |
293 | *out++ = '\''; | |
294 | } | |
295 | else | |
296 | { | |
297 | if (strchr (special, *cp) != NULL) | |
298 | *out++ = '\\'; | |
299 | *out++ = *cp; | |
300 | } | |
03c6228e | 301 | } |
c2a727fa TT |
302 | } |
303 | } | |
304 | *out = '\0'; | |
305 | } | |
306 | else | |
307 | { | |
308 | /* In this case we can't handle arguments that contain spaces, | |
309 | tabs, or newlines -- see breakup_args(). */ | |
310 | int i; | |
311 | int length = 0; | |
312 | ||
313 | for (i = 0; i < argc; ++i) | |
314 | { | |
315 | char *cp = strchr (argv[i], ' '); | |
316 | if (cp == NULL) | |
317 | cp = strchr (argv[i], '\t'); | |
318 | if (cp == NULL) | |
319 | cp = strchr (argv[i], '\n'); | |
320 | if (cp != NULL) | |
8a3fe4f8 | 321 | error (_("can't handle command-line argument containing whitespace")); |
c2a727fa TT |
322 | length += strlen (argv[i]) + 1; |
323 | } | |
324 | ||
325 | result = (char *) xmalloc (length); | |
326 | result[0] = '\0'; | |
327 | for (i = 0; i < argc; ++i) | |
328 | { | |
329 | if (i > 0) | |
330 | strcat (result, " "); | |
331 | strcat (result, argv[i]); | |
332 | } | |
333 | } | |
334 | ||
335 | return result; | |
336 | } | |
552c04a7 TT |
337 | \f |
338 | ||
43ff13b4 JM |
339 | /* This function detects whether or not a '&' character (indicating |
340 | background execution) has been added as *the last* of the arguments ARGS | |
341 | of a command. If it has, it removes it and returns 1. Otherwise it | |
342 | does nothing and returns 0. */ | |
c5aa993b | 343 | static int |
fba45db2 | 344 | strip_bg_char (char **args) |
43ff13b4 JM |
345 | { |
346 | char *p = NULL; | |
c5aa993b | 347 | |
9846de1b | 348 | p = strchr (*args, '&'); |
c5aa993b | 349 | |
9846de1b | 350 | if (p) |
43ff13b4 JM |
351 | { |
352 | if (p == (*args + strlen (*args) - 1)) | |
353 | { | |
c5aa993b | 354 | if (strlen (*args) > 1) |
43ff13b4 JM |
355 | { |
356 | do | |
357 | p--; | |
358 | while (*p == ' ' || *p == '\t'); | |
359 | *(p + 1) = '\0'; | |
360 | } | |
361 | else | |
362 | *args = 0; | |
363 | return 1; | |
364 | } | |
365 | } | |
366 | return 0; | |
367 | } | |
368 | ||
c906108c | 369 | void |
fba45db2 | 370 | tty_command (char *file, int from_tty) |
c906108c SS |
371 | { |
372 | if (file == 0) | |
e2e0b3e5 | 373 | error_no_arg (_("terminal name for running target process")); |
c906108c | 374 | |
3cb3b8df | 375 | set_inferior_io_terminal (file); |
c906108c SS |
376 | } |
377 | ||
281b533b DJ |
378 | /* Common actions to take after creating any sort of inferior, by any |
379 | means (running, attaching, connecting, et cetera). The target | |
380 | should be stopped. */ | |
381 | ||
382 | void | |
383 | post_create_inferior (struct target_ops *target, int from_tty) | |
384 | { | |
b79599ff DP |
385 | /* Be sure we own the terminal in case write operations are performed. */ |
386 | target_terminal_ours (); | |
387 | ||
424163ea DJ |
388 | /* If the target hasn't taken care of this already, do it now. |
389 | Targets which need to access registers during to_open, | |
390 | to_create_inferior, or to_attach should do it earlier; but many | |
391 | don't need to. */ | |
392 | target_find_description (); | |
393 | ||
f698437e | 394 | /* Now that we know the register layout, retrieve current PC. */ |
fb14de7b | 395 | stop_pc = regcache_read_pc (get_current_regcache ()); |
f698437e | 396 | |
50c71eaf PA |
397 | /* If the solist is global across processes, there's no need to |
398 | refetch it here. */ | |
399 | if (exec_bfd && !gdbarch_has_global_solist (target_gdbarch)) | |
9353355f DJ |
400 | { |
401 | /* Sometimes the platform-specific hook loads initial shared | |
402 | libraries, and sometimes it doesn't. Try to do so first, so | |
de1b3c3d PA |
403 | that we can add them with the correct value for FROM_TTY. |
404 | If we made all the inferior hook methods consistent, | |
405 | this call could be removed. */ | |
9353355f DJ |
406 | #ifdef SOLIB_ADD |
407 | SOLIB_ADD (NULL, from_tty, target, auto_solib_add); | |
408 | #else | |
409 | solib_add (NULL, from_tty, target, auto_solib_add); | |
410 | #endif | |
50c71eaf | 411 | } |
9353355f | 412 | |
50c71eaf PA |
413 | if (exec_bfd) |
414 | { | |
9353355f DJ |
415 | /* Create the hooks to handle shared library load and unload |
416 | events. */ | |
417 | #ifdef SOLIB_CREATE_INFERIOR_HOOK | |
37706b70 | 418 | SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid)); |
9353355f DJ |
419 | #else |
420 | solib_create_inferior_hook (); | |
421 | #endif | |
9353355f DJ |
422 | } |
423 | ||
ea5d7a99 PM |
424 | /* If the user sets watchpoints before execution having started, |
425 | then she gets software watchpoints, because GDB can't know which | |
426 | target will end up being pushed, or if it supports hardware | |
427 | watchpoints or not. breakpoint_re_set takes care of promoting | |
428 | watchpoints to hardware watchpoints if possible, however, if this | |
429 | new inferior doesn't load shared libraries or we don't pull in | |
430 | symbols from any other source on this target/arch, | |
431 | breakpoint_re_set is never called. Call it now so that software | |
432 | watchpoints get a chance to be promoted to hardware watchpoints | |
433 | if the now pushed target supports hardware watchpoints. */ | |
434 | breakpoint_re_set (); | |
435 | ||
281b533b DJ |
436 | observer_notify_inferior_created (target, from_tty); |
437 | } | |
438 | ||
a4d5f2e0 JB |
439 | /* Kill the inferior if already running. This function is designed |
440 | to be called when we are about to start the execution of the program | |
441 | from the beginning. Ask the user to confirm that he wants to restart | |
442 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 443 | |
8edfe269 | 444 | static void |
a4d5f2e0 JB |
445 | kill_if_already_running (int from_tty) |
446 | { | |
39f77062 | 447 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 448 | { |
8edfe269 DJ |
449 | /* Bail out before killing the program if we will not be able to |
450 | restart it. */ | |
451 | target_require_runnable (); | |
452 | ||
adf40b2e | 453 | if (from_tty |
9e2f0ad4 HZ |
454 | && !query (_("The program being debugged has been started already.\n\ |
455 | Start it from the beginning? "))) | |
8a3fe4f8 | 456 | error (_("Program not restarted.")); |
c906108c | 457 | target_kill (); |
c906108c | 458 | } |
a4d5f2e0 JB |
459 | } |
460 | ||
f67a969f JB |
461 | /* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert |
462 | a temporary breakpoint at the begining of the main program before | |
463 | running the program. */ | |
464 | ||
a4d5f2e0 | 465 | static void |
f67a969f | 466 | run_command_1 (char *args, int from_tty, int tbreak_at_main) |
a4d5f2e0 JB |
467 | { |
468 | char *exec_file; | |
29f49a6a PA |
469 | struct cleanup *old_chain; |
470 | ptid_t ptid; | |
c906108c | 471 | |
a4d5f2e0 JB |
472 | dont_repeat (); |
473 | ||
474 | kill_if_already_running (from_tty); | |
3c35e65b UW |
475 | |
476 | init_wait_for_inferior (); | |
c906108c SS |
477 | clear_breakpoint_hit_counts (); |
478 | ||
fd79ecee DJ |
479 | /* Clean up any leftovers from other runs. Some other things from |
480 | this function should probably be moved into target_pre_inferior. */ | |
481 | target_pre_inferior (from_tty); | |
482 | ||
39ad761d JB |
483 | /* The comment here used to read, "The exec file is re-read every |
484 | time we do a generic_mourn_inferior, so we just have to worry | |
485 | about the symbol file." The `generic_mourn_inferior' function | |
486 | gets called whenever the program exits. However, suppose the | |
487 | program exits, and *then* the executable file changes? We need | |
488 | to check again here. Since reopen_exec_file doesn't do anything | |
489 | if the timestamp hasn't changed, I don't see the harm. */ | |
490 | reopen_exec_file (); | |
c906108c SS |
491 | reread_symbols (); |
492 | ||
f67a969f JB |
493 | /* Insert the temporary breakpoint if a location was specified. */ |
494 | if (tbreak_at_main) | |
495 | tbreak_command (main_name (), 0); | |
496 | ||
39ad761d JB |
497 | exec_file = (char *) get_exec_file (0); |
498 | ||
9908b566 VP |
499 | if (non_stop && !target_supports_non_stop ()) |
500 | error (_("The target does not support running in non-stop mode.")); | |
501 | ||
c906108c SS |
502 | /* We keep symbols from add-symbol-file, on the grounds that the |
503 | user might want to add some symbols before running the program | |
504 | (right?). But sometimes (dynamic loading where the user manually | |
505 | introduces the new symbols with add-symbol-file), the code which | |
506 | the symbols describe does not persist between runs. Currently | |
507 | the user has to manually nuke all symbols between runs if they | |
508 | want them to go away (PR 2207). This is probably reasonable. */ | |
509 | ||
43ff13b4 | 510 | if (!args) |
6426a772 | 511 | { |
362646f5 | 512 | if (target_can_async_p ()) |
6426a772 JM |
513 | async_disable_stdin (); |
514 | } | |
43ff13b4 | 515 | else |
c906108c | 516 | { |
43ff13b4 JM |
517 | int async_exec = strip_bg_char (&args); |
518 | ||
519 | /* If we get a request for running in the bg but the target | |
520 | doesn't support it, error out. */ | |
362646f5 | 521 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 522 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
523 | |
524 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 525 | to simulate synchronous (fg) execution. */ |
362646f5 | 526 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
527 | { |
528 | /* Simulate synchronous execution */ | |
6426a772 | 529 | async_disable_stdin (); |
43ff13b4 JM |
530 | } |
531 | ||
532 | /* If there were other args, beside '&', process them. */ | |
533 | if (args) | |
534 | { | |
07091751 FN |
535 | char *old_args = set_inferior_args (xstrdup (args)); |
536 | xfree (old_args); | |
43ff13b4 | 537 | } |
c906108c SS |
538 | } |
539 | ||
540 | if (from_tty) | |
541 | { | |
8b93c638 JM |
542 | ui_out_field_string (uiout, NULL, "Starting program"); |
543 | ui_out_text (uiout, ": "); | |
544 | if (exec_file) | |
545 | ui_out_field_string (uiout, "execfile", exec_file); | |
546 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
547 | /* We call get_inferior_args() because we might need to compute |
548 | the value now. */ | |
549 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
550 | ui_out_text (uiout, "\n"); |
551 | ui_out_flush (uiout); | |
c906108c SS |
552 | } |
553 | ||
552c04a7 TT |
554 | /* We call get_inferior_args() because we might need to compute |
555 | the value now. */ | |
556 | target_create_inferior (exec_file, get_inferior_args (), | |
c27cda74 | 557 | environ_vector (inferior_environ), from_tty); |
281b533b | 558 | |
29f49a6a PA |
559 | /* We're starting off a new process. When we get out of here, in |
560 | non-stop mode, finish the state of all threads of that process, | |
561 | but leave other threads alone, as they may be stopped in internal | |
562 | events --- the frontend shouldn't see them as stopped. In | |
563 | all-stop, always finish the state of all threads, as we may be | |
564 | resuming more than just the new process. */ | |
565 | if (non_stop) | |
566 | ptid = pid_to_ptid (ptid_get_pid (inferior_ptid)); | |
567 | else | |
568 | ptid = minus_one_ptid; | |
569 | old_chain = make_cleanup (finish_thread_state_cleanup, &ptid); | |
570 | ||
de1b3c3d PA |
571 | /* Pass zero for FROM_TTY, because at this point the "run" command |
572 | has done its thing; now we are setting up the running program. */ | |
573 | post_create_inferior (¤t_target, 0); | |
281b533b DJ |
574 | |
575 | /* Start the target running. */ | |
576 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0); | |
c906108c | 577 | |
29f49a6a PA |
578 | /* Since there was no error, there's no need to finish the thread |
579 | states here. */ | |
580 | discard_cleanups (old_chain); | |
581 | } | |
c906108c | 582 | |
f67a969f JB |
583 | static void |
584 | run_command (char *args, int from_tty) | |
585 | { | |
586 | run_command_1 (args, from_tty, 0); | |
587 | } | |
588 | ||
c906108c | 589 | static void |
fba45db2 | 590 | run_no_args_command (char *args, int from_tty) |
c906108c | 591 | { |
07091751 FN |
592 | char *old_args = set_inferior_args (xstrdup ("")); |
593 | xfree (old_args); | |
c906108c | 594 | } |
c906108c | 595 | \f |
c5aa993b | 596 | |
a4d5f2e0 JB |
597 | /* Start the execution of the program up until the beginning of the main |
598 | program. */ | |
599 | ||
600 | static void | |
601 | start_command (char *args, int from_tty) | |
602 | { | |
603 | /* Some languages such as Ada need to search inside the program | |
604 | minimal symbols for the location where to put the temporary | |
605 | breakpoint before starting. */ | |
606 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 607 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 608 | |
f67a969f JB |
609 | /* Run the program until reaching the main procedure... */ |
610 | run_command_1 (args, from_tty, 1); | |
a4d5f2e0 JB |
611 | } |
612 | ||
8cae4b3f PA |
613 | static int |
614 | proceed_thread_callback (struct thread_info *thread, void *arg) | |
615 | { | |
74531fed PA |
616 | /* We go through all threads individually instead of compressing |
617 | into a single target `resume_all' request, because some threads | |
618 | may be stopped in internal breakpoints/events, or stopped waiting | |
619 | for its turn in the displaced stepping queue (that is, they are | |
620 | running && !executing). The target side has no idea about why | |
621 | the thread is stopped, so a `resume_all' command would resume too | |
622 | much. If/when GDB gains a way to tell the target `hold this | |
623 | thread stopped until I say otherwise', then we can optimize | |
624 | this. */ | |
4f8d22e3 | 625 | if (!is_stopped (thread->ptid)) |
8cae4b3f PA |
626 | return 0; |
627 | ||
dcf4fbde | 628 | switch_to_thread (thread->ptid); |
8cae4b3f PA |
629 | clear_proceed_status (); |
630 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
631 | return 0; | |
632 | } | |
633 | ||
d729566a PA |
634 | void |
635 | ensure_valid_thread (void) | |
636 | { | |
637 | if (ptid_equal (inferior_ptid, null_ptid) | |
638 | || is_exited (inferior_ptid)) | |
639 | error (_("\ | |
640 | Cannot execute this command without a live selected thread.")); | |
641 | } | |
642 | ||
77ebaa5a VP |
643 | void |
644 | continue_1 (int all_threads) | |
645 | { | |
3d488bfc PA |
646 | ERROR_NO_INFERIOR; |
647 | ||
77ebaa5a VP |
648 | if (non_stop && all_threads) |
649 | { | |
650 | /* Don't error out if the current thread is running, because | |
651 | there may be other stopped threads. */ | |
652 | struct cleanup *old_chain; | |
653 | ||
654 | /* Backup current thread and selected frame. */ | |
655 | old_chain = make_cleanup_restore_current_thread (); | |
656 | ||
657 | iterate_over_threads (proceed_thread_callback, NULL); | |
658 | ||
659 | /* Restore selected ptid. */ | |
660 | do_cleanups (old_chain); | |
661 | } | |
662 | else | |
663 | { | |
d729566a | 664 | ensure_valid_thread (); |
77ebaa5a VP |
665 | ensure_not_running (); |
666 | clear_proceed_status (); | |
667 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
668 | } | |
669 | } | |
670 | ||
8cae4b3f | 671 | /* continue [-a] [proceed-count] [&] */ |
c906108c | 672 | void |
8cae4b3f | 673 | continue_command (char *args, int from_tty) |
c906108c | 674 | { |
c5aa993b | 675 | int async_exec = 0; |
8cae4b3f | 676 | int all_threads = 0; |
c906108c SS |
677 | ERROR_NO_INFERIOR; |
678 | ||
43ff13b4 | 679 | /* Find out whether we must run in the background. */ |
8cae4b3f PA |
680 | if (args != NULL) |
681 | async_exec = strip_bg_char (&args); | |
43ff13b4 JM |
682 | |
683 | /* If we must run in the background, but the target can't do it, | |
684 | error out. */ | |
362646f5 | 685 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 686 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
687 | |
688 | /* If we are not asked to run in the bg, then prepare to run in the | |
689 | foreground, synchronously. */ | |
362646f5 | 690 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 691 | { |
43ff13b4 | 692 | /* Simulate synchronous execution */ |
6426a772 | 693 | async_disable_stdin (); |
43ff13b4 | 694 | } |
c906108c | 695 | |
8cae4b3f PA |
696 | if (args != NULL) |
697 | { | |
698 | if (strncmp (args, "-a", sizeof ("-a") - 1) == 0) | |
699 | { | |
700 | all_threads = 1; | |
701 | args += sizeof ("-a") - 1; | |
702 | if (*args == '\0') | |
703 | args = NULL; | |
704 | } | |
705 | } | |
706 | ||
707 | if (!non_stop && all_threads) | |
708 | error (_("`-a' is meaningless in all-stop mode.")); | |
709 | ||
710 | if (args != NULL && all_threads) | |
711 | error (_("\ | |
712 | Can't resume all threads and specify proceed count simultaneously.")); | |
713 | ||
714 | /* If we have an argument left, set proceed count of breakpoint we | |
715 | stopped at. */ | |
716 | if (args != NULL) | |
c906108c | 717 | { |
347bddb7 | 718 | bpstat bs = NULL; |
8671a17b PA |
719 | int num, stat; |
720 | int stopped = 0; | |
347bddb7 PA |
721 | struct thread_info *tp; |
722 | ||
723 | if (non_stop) | |
e09875d4 | 724 | tp = find_thread_ptid (inferior_ptid); |
347bddb7 PA |
725 | else |
726 | { | |
727 | ptid_t last_ptid; | |
728 | struct target_waitstatus ws; | |
729 | ||
730 | get_last_target_status (&last_ptid, &ws); | |
e09875d4 | 731 | tp = find_thread_ptid (last_ptid); |
347bddb7 PA |
732 | } |
733 | if (tp != NULL) | |
734 | bs = tp->stop_bpstat; | |
8671a17b PA |
735 | |
736 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
737 | if (stat > 0) | |
738 | { | |
739 | set_ignore_count (num, | |
8cae4b3f | 740 | parse_and_eval_long (args) - 1, |
8671a17b PA |
741 | from_tty); |
742 | /* set_ignore_count prints a message ending with a period. | |
743 | So print two spaces before "Continuing.". */ | |
744 | if (from_tty) | |
745 | printf_filtered (" "); | |
746 | stopped = 1; | |
747 | } | |
748 | ||
749 | if (!stopped && from_tty) | |
c906108c SS |
750 | { |
751 | printf_filtered | |
752 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
753 | } | |
c906108c SS |
754 | } |
755 | ||
756 | if (from_tty) | |
a3f17187 | 757 | printf_filtered (_("Continuing.\n")); |
c906108c | 758 | |
77ebaa5a | 759 | continue_1 (all_threads); |
c906108c SS |
760 | } |
761 | \f | |
edb3359d DJ |
762 | /* Record the starting point of a "step" or "next" command. */ |
763 | ||
764 | static void | |
765 | set_step_frame (void) | |
766 | { | |
767 | struct symtab_and_line sal; | |
768 | ||
769 | find_frame_sal (get_current_frame (), &sal); | |
770 | set_step_info (get_current_frame (), sal); | |
771 | } | |
772 | ||
c906108c SS |
773 | /* Step until outside of current statement. */ |
774 | ||
c906108c | 775 | static void |
fba45db2 | 776 | step_command (char *count_string, int from_tty) |
c906108c SS |
777 | { |
778 | step_1 (0, 0, count_string); | |
779 | } | |
780 | ||
781 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
782 | ||
c906108c | 783 | static void |
fba45db2 | 784 | next_command (char *count_string, int from_tty) |
c906108c SS |
785 | { |
786 | step_1 (1, 0, count_string); | |
787 | } | |
788 | ||
789 | /* Likewise, but step only one instruction. */ | |
790 | ||
c906108c | 791 | void |
fba45db2 | 792 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
793 | { |
794 | step_1 (0, 1, count_string); | |
795 | } | |
796 | ||
c906108c | 797 | void |
fba45db2 | 798 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
799 | { |
800 | step_1 (1, 1, count_string); | |
801 | } | |
802 | ||
74b7792f | 803 | static void |
611c83ae | 804 | delete_longjmp_breakpoint_cleanup (void *arg) |
74b7792f | 805 | { |
611c83ae PA |
806 | int thread = * (int *) arg; |
807 | delete_longjmp_breakpoint (thread); | |
74b7792f AC |
808 | } |
809 | ||
c906108c | 810 | static void |
fba45db2 | 811 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 812 | { |
52f0bd74 | 813 | int count = 1; |
c906108c | 814 | struct frame_info *frame; |
f107f563 | 815 | struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); |
43ff13b4 | 816 | int async_exec = 0; |
b3dc826b | 817 | int thread = -1; |
c5aa993b | 818 | |
c906108c | 819 | ERROR_NO_INFERIOR; |
d729566a | 820 | ensure_valid_thread (); |
94cc34af | 821 | ensure_not_running (); |
43ff13b4 JM |
822 | |
823 | if (count_string) | |
824 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 825 | |
43ff13b4 JM |
826 | /* If we get a request for running in the bg but the target |
827 | doesn't support it, error out. */ | |
362646f5 | 828 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 829 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
830 | |
831 | /* If we don't get a request of running in the bg, then we need | |
832 | to simulate synchronous (fg) execution. */ | |
362646f5 | 833 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
834 | { |
835 | /* Simulate synchronous execution */ | |
6426a772 | 836 | async_disable_stdin (); |
43ff13b4 JM |
837 | } |
838 | ||
bb518678 | 839 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 840 | |
c5aa993b | 841 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 842 | { |
611c83ae | 843 | if (in_thread_list (inferior_ptid)) |
b3dc826b | 844 | thread = pid_to_thread_id (inferior_ptid); |
611c83ae | 845 | |
0fd8e87f | 846 | set_longjmp_breakpoint (thread); |
611c83ae | 847 | |
b3dc826b | 848 | make_cleanup (delete_longjmp_breakpoint_cleanup, &thread); |
c2d11a7d JM |
849 | } |
850 | ||
37d94800 | 851 | /* In synchronous case, all is well; each step_once call will step once. */ |
362646f5 | 852 | if (!target_can_async_p ()) |
c2d11a7d JM |
853 | { |
854 | for (; count > 0; count--) | |
855 | { | |
37d94800 PA |
856 | struct thread_info *tp; |
857 | step_once (skip_subroutines, single_inst, count, thread); | |
c2d11a7d | 858 | |
37d94800 PA |
859 | if (target_has_execution |
860 | && !ptid_equal (inferior_ptid, null_ptid)) | |
861 | tp = inferior_thread (); | |
c2d11a7d | 862 | else |
37d94800 PA |
863 | tp = NULL; |
864 | ||
865 | if (!tp || !tp->stop_step || !tp->step_multi) | |
c2d11a7d | 866 | { |
37d94800 PA |
867 | /* If we stopped for some reason that is not stepping |
868 | there are no further steps to make. */ | |
869 | if (tp) | |
870 | tp->step_multi = 0; | |
871 | break; | |
c2d11a7d | 872 | } |
c2d11a7d JM |
873 | } |
874 | ||
f107f563 | 875 | do_cleanups (cleanups); |
c2d11a7d | 876 | } |
c2d11a7d JM |
877 | else |
878 | { | |
37d94800 PA |
879 | /* In the case of an asynchronous target things get complicated; |
880 | do only one step for now, before returning control to the | |
881 | event loop. Let the continuation figure out how many other | |
882 | steps we need to do, and handle them one at the time, through | |
883 | step_once. */ | |
b3dc826b | 884 | step_once (skip_subroutines, single_inst, count, thread); |
37d94800 | 885 | |
611c83ae | 886 | /* We are running, and the continuation is installed. It will |
f107f563 VP |
887 | disable the longjmp breakpoint as appropriate. */ |
888 | discard_cleanups (cleanups); | |
c906108c | 889 | } |
c2d11a7d | 890 | } |
c906108c | 891 | |
bfec99b2 PA |
892 | struct step_1_continuation_args |
893 | { | |
894 | int count; | |
895 | int skip_subroutines; | |
896 | int single_inst; | |
897 | int thread; | |
898 | }; | |
899 | ||
c2d11a7d JM |
900 | /* Called after we are done with one step operation, to check whether |
901 | we need to step again, before we print the prompt and return control | |
902 | to the user. If count is > 1, we will need to do one more call to | |
903 | proceed(), via step_once(). Basically it is like step_once and | |
904 | step_1_continuation are co-recursive. */ | |
905 | static void | |
604ead4a | 906 | step_1_continuation (void *args) |
c2d11a7d | 907 | { |
bfec99b2 | 908 | struct step_1_continuation_args *a = args; |
f13468d9 | 909 | |
af679fd0 | 910 | if (target_has_execution) |
f13468d9 | 911 | { |
af679fd0 PA |
912 | struct thread_info *tp; |
913 | ||
914 | tp = inferior_thread (); | |
414c69f7 | 915 | if (tp->step_multi && tp->stop_step) |
af679fd0 PA |
916 | { |
917 | /* There are more steps to make, and we did stop due to | |
918 | ending a stepping range. Do another step. */ | |
37d94800 PA |
919 | step_once (a->skip_subroutines, a->single_inst, |
920 | a->count - 1, a->thread); | |
af679fd0 PA |
921 | return; |
922 | } | |
923 | tp->step_multi = 0; | |
f107f563 | 924 | } |
af679fd0 PA |
925 | |
926 | /* We either stopped for some reason that is not stepping, or there | |
927 | are no further steps to make. Cleanup. */ | |
928 | if (!a->single_inst || a->skip_subroutines) | |
929 | delete_longjmp_breakpoint (a->thread); | |
c2d11a7d JM |
930 | } |
931 | ||
37d94800 PA |
932 | /* Do just one step operation. This is useful to implement the 'step |
933 | n' kind of commands. In case of asynchronous targets, we will have | |
934 | to set up a continuation to be done after the target stops (after | |
935 | this one step). For synch targets, the caller handles further | |
936 | stepping. */ | |
937 | ||
938 | static void | |
611c83ae | 939 | step_once (int skip_subroutines, int single_inst, int count, int thread) |
bfec99b2 | 940 | { |
edb3359d | 941 | struct frame_info *frame = get_current_frame (); |
c2d11a7d JM |
942 | |
943 | if (count > 0) | |
c906108c | 944 | { |
4e1c45ea PA |
945 | /* Don't assume THREAD is a valid thread id. It is set to -1 if |
946 | the longjmp breakpoint was not required. Use the | |
947 | INFERIOR_PTID thread instead, which is the same thread when | |
948 | THREAD is set. */ | |
949 | struct thread_info *tp = inferior_thread (); | |
c906108c | 950 | clear_proceed_status (); |
edb3359d | 951 | set_step_frame (); |
c906108c | 952 | |
c5aa993b | 953 | if (!single_inst) |
c906108c | 954 | { |
1641cfcc PA |
955 | CORE_ADDR pc; |
956 | ||
edb3359d DJ |
957 | /* Step at an inlined function behaves like "down". */ |
958 | if (!skip_subroutines && !single_inst | |
959 | && inline_skipped_frames (inferior_ptid)) | |
960 | { | |
961 | step_into_inline_frame (inferior_ptid); | |
962 | if (count > 1) | |
963 | step_once (skip_subroutines, single_inst, count - 1, thread); | |
964 | else | |
965 | /* Pretend that we've stopped. */ | |
966 | normal_stop (); | |
967 | return; | |
968 | } | |
969 | ||
1641cfcc PA |
970 | pc = get_frame_pc (frame); |
971 | find_pc_line_pc_range (pc, | |
4e1c45ea | 972 | &tp->step_range_start, &tp->step_range_end); |
5fbbeb29 CF |
973 | |
974 | /* If we have no line info, switch to stepi mode. */ | |
4e1c45ea | 975 | if (tp->step_range_end == 0 && step_stop_if_no_debug) |
edb3359d | 976 | tp->step_range_start = tp->step_range_end = 1; |
4e1c45ea | 977 | else if (tp->step_range_end == 0) |
c906108c SS |
978 | { |
979 | char *name; | |
1641cfcc | 980 | if (find_pc_partial_function (pc, &name, |
4e1c45ea PA |
981 | &tp->step_range_start, |
982 | &tp->step_range_end) == 0) | |
8a3fe4f8 | 983 | error (_("Cannot find bounds of current function")); |
c906108c SS |
984 | |
985 | target_terminal_ours (); | |
a3f17187 | 986 | printf_filtered (_("\ |
c906108c | 987 | Single stepping until exit from function %s, \n\ |
a3f17187 | 988 | which has no line number information.\n"), name); |
c906108c SS |
989 | } |
990 | } | |
991 | else | |
992 | { | |
993 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
4e1c45ea | 994 | tp->step_range_start = tp->step_range_end = 1; |
c906108c SS |
995 | if (!skip_subroutines) |
996 | /* It is stepi. | |
997 | Don't step over function calls, not even to functions lacking | |
998 | line numbers. */ | |
078130d0 | 999 | tp->step_over_calls = STEP_OVER_NONE; |
c906108c SS |
1000 | } |
1001 | ||
1002 | if (skip_subroutines) | |
078130d0 | 1003 | tp->step_over_calls = STEP_OVER_ALL; |
c906108c | 1004 | |
95e54da7 | 1005 | tp->step_multi = (count > 1); |
f107f563 | 1006 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
bfec99b2 | 1007 | |
37d94800 PA |
1008 | /* For async targets, register a continuation to do any |
1009 | additional steps. For sync targets, the caller will handle | |
1010 | further stepping. */ | |
1011 | if (target_can_async_p ()) | |
1012 | { | |
1013 | struct step_1_continuation_args *args; | |
1014 | ||
1015 | args = xmalloc (sizeof (*args)); | |
1016 | args->skip_subroutines = skip_subroutines; | |
1017 | args->single_inst = single_inst; | |
1018 | args->count = count; | |
1019 | args->thread = thread; | |
1020 | ||
1021 | add_intermediate_continuation (tp, step_1_continuation, args, xfree); | |
1022 | } | |
c906108c | 1023 | } |
c906108c | 1024 | } |
c2d11a7d | 1025 | |
c906108c SS |
1026 | \f |
1027 | /* Continue program at specified address. */ | |
1028 | ||
1029 | static void | |
fba45db2 | 1030 | jump_command (char *arg, int from_tty) |
c906108c | 1031 | { |
52f0bd74 | 1032 | CORE_ADDR addr; |
c906108c SS |
1033 | struct symtabs_and_lines sals; |
1034 | struct symtab_and_line sal; | |
1035 | struct symbol *fn; | |
1036 | struct symbol *sfn; | |
43ff13b4 | 1037 | int async_exec = 0; |
c5aa993b | 1038 | |
c906108c | 1039 | ERROR_NO_INFERIOR; |
d729566a | 1040 | ensure_valid_thread (); |
94cc34af | 1041 | ensure_not_running (); |
c906108c | 1042 | |
43ff13b4 JM |
1043 | /* Find out whether we must run in the background. */ |
1044 | if (arg != NULL) | |
1045 | async_exec = strip_bg_char (&arg); | |
1046 | ||
1047 | /* If we must run in the background, but the target can't do it, | |
1048 | error out. */ | |
362646f5 | 1049 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1050 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 | 1051 | |
c906108c | 1052 | if (!arg) |
e2e0b3e5 | 1053 | error_no_arg (_("starting address")); |
c906108c SS |
1054 | |
1055 | sals = decode_line_spec_1 (arg, 1); | |
1056 | if (sals.nelts != 1) | |
1057 | { | |
8a3fe4f8 | 1058 | error (_("Unreasonable jump request")); |
c906108c SS |
1059 | } |
1060 | ||
1061 | sal = sals.sals[0]; | |
b8c9b27d | 1062 | xfree (sals.sals); |
c906108c SS |
1063 | |
1064 | if (sal.symtab == 0 && sal.pc == 0) | |
8a3fe4f8 | 1065 | error (_("No source file has been specified.")); |
c906108c | 1066 | |
c5aa993b | 1067 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
1068 | |
1069 | /* See if we are trying to jump to another function. */ | |
1070 | fn = get_frame_function (get_current_frame ()); | |
1071 | sfn = find_pc_function (sal.pc); | |
1072 | if (fn != NULL && sfn != fn) | |
1073 | { | |
9e2f0ad4 | 1074 | if (!query (_("Line %d is not in `%s'. Jump anyway? "), sal.line, |
de5ad195 | 1075 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 1076 | { |
8a3fe4f8 | 1077 | error (_("Not confirmed.")); |
c906108c SS |
1078 | /* NOTREACHED */ |
1079 | } | |
1080 | } | |
1081 | ||
c5aa993b | 1082 | if (sfn != NULL) |
c906108c SS |
1083 | { |
1084 | fixup_symbol_section (sfn, 0); | |
714835d5 UW |
1085 | if (section_is_overlay (SYMBOL_OBJ_SECTION (sfn)) && |
1086 | !section_is_mapped (SYMBOL_OBJ_SECTION (sfn))) | |
c906108c | 1087 | { |
9e2f0ad4 | 1088 | if (!query (_("WARNING!!! Destination is in unmapped overlay! Jump anyway? "))) |
c906108c | 1089 | { |
8a3fe4f8 | 1090 | error (_("Not confirmed.")); |
c906108c SS |
1091 | /* NOTREACHED */ |
1092 | } | |
1093 | } | |
1094 | } | |
1095 | ||
c906108c SS |
1096 | addr = sal.pc; |
1097 | ||
1098 | if (from_tty) | |
1099 | { | |
a3f17187 | 1100 | printf_filtered (_("Continuing at ")); |
ed49a04f | 1101 | fputs_filtered (paddress (addr), gdb_stdout); |
c906108c SS |
1102 | printf_filtered (".\n"); |
1103 | } | |
1104 | ||
89113898 PA |
1105 | /* If we are not asked to run in the bg, then prepare to run in the |
1106 | foreground, synchronously. */ | |
1107 | if (!async_exec && target_can_async_p ()) | |
1108 | { | |
1109 | /* Simulate synchronous execution */ | |
1110 | async_disable_stdin (); | |
1111 | } | |
1112 | ||
c906108c SS |
1113 | clear_proceed_status (); |
1114 | proceed (addr, TARGET_SIGNAL_0, 0); | |
1115 | } | |
c906108c | 1116 | \f |
c5aa993b | 1117 | |
c906108c SS |
1118 | /* Go to line or address in current procedure */ |
1119 | static void | |
fba45db2 | 1120 | go_command (char *line_no, int from_tty) |
c906108c | 1121 | { |
c5aa993b | 1122 | if (line_no == (char *) NULL || !*line_no) |
f42429a6 | 1123 | printf_filtered (_("Usage: go <location>\n")); |
c906108c SS |
1124 | else |
1125 | { | |
b83266a0 SS |
1126 | tbreak_command (line_no, from_tty); |
1127 | jump_command (line_no, from_tty); | |
c906108c SS |
1128 | } |
1129 | } | |
c906108c | 1130 | \f |
c5aa993b | 1131 | |
c906108c SS |
1132 | /* Continue program giving it specified signal. */ |
1133 | ||
1134 | static void | |
fba45db2 | 1135 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
1136 | { |
1137 | enum target_signal oursig; | |
32c1e744 | 1138 | int async_exec = 0; |
c906108c SS |
1139 | |
1140 | dont_repeat (); /* Too dangerous. */ | |
1141 | ERROR_NO_INFERIOR; | |
d729566a | 1142 | ensure_valid_thread (); |
94cc34af | 1143 | ensure_not_running (); |
c906108c | 1144 | |
32c1e744 VP |
1145 | /* Find out whether we must run in the background. */ |
1146 | if (signum_exp != NULL) | |
1147 | async_exec = strip_bg_char (&signum_exp); | |
1148 | ||
1149 | /* If we must run in the background, but the target can't do it, | |
1150 | error out. */ | |
1151 | if (async_exec && !target_can_async_p ()) | |
1152 | error (_("Asynchronous execution not supported on this target.")); | |
1153 | ||
1154 | /* If we are not asked to run in the bg, then prepare to run in the | |
1155 | foreground, synchronously. */ | |
1156 | if (!async_exec && target_can_async_p ()) | |
1157 | { | |
1158 | /* Simulate synchronous execution. */ | |
1159 | async_disable_stdin (); | |
1160 | } | |
1161 | ||
c906108c | 1162 | if (!signum_exp) |
e2e0b3e5 | 1163 | error_no_arg (_("signal number")); |
c906108c SS |
1164 | |
1165 | /* It would be even slicker to make signal names be valid expressions, | |
1166 | (the type could be "enum $signal" or some such), then the user could | |
1167 | assign them to convenience variables. */ | |
1168 | oursig = target_signal_from_name (signum_exp); | |
1169 | ||
1170 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
1171 | { | |
1172 | /* No, try numeric. */ | |
bb518678 | 1173 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1174 | |
1175 | if (num == 0) | |
1176 | oursig = TARGET_SIGNAL_0; | |
1177 | else | |
1178 | oursig = target_signal_from_command (num); | |
1179 | } | |
1180 | ||
1181 | if (from_tty) | |
1182 | { | |
1183 | if (oursig == TARGET_SIGNAL_0) | |
a3f17187 | 1184 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1185 | else |
a3f17187 | 1186 | printf_filtered (_("Continuing with signal %s.\n"), |
c906108c SS |
1187 | target_signal_to_name (oursig)); |
1188 | } | |
1189 | ||
1190 | clear_proceed_status (); | |
a12cc160 | 1191 | proceed ((CORE_ADDR) -1, oursig, 0); |
c906108c SS |
1192 | } |
1193 | ||
c906108c SS |
1194 | /* Proceed until we reach a different source line with pc greater than |
1195 | our current one or exit the function. We skip calls in both cases. | |
1196 | ||
1197 | Note that eventually this command should probably be changed so | |
1198 | that only source lines are printed out when we hit the breakpoint | |
1199 | we set. This may involve changes to wait_for_inferior and the | |
1200 | proceed status code. */ | |
1201 | ||
c906108c | 1202 | static void |
fba45db2 | 1203 | until_next_command (int from_tty) |
c906108c SS |
1204 | { |
1205 | struct frame_info *frame; | |
1206 | CORE_ADDR pc; | |
1207 | struct symbol *func; | |
1208 | struct symtab_and_line sal; | |
4e1c45ea | 1209 | struct thread_info *tp = inferior_thread (); |
c5aa993b | 1210 | |
c906108c | 1211 | clear_proceed_status (); |
edb3359d | 1212 | set_step_frame (); |
c906108c SS |
1213 | |
1214 | frame = get_current_frame (); | |
1215 | ||
1216 | /* Step until either exited from this function or greater | |
1217 | than the current line (if in symbolic section) or pc (if | |
1218 | not). */ | |
1219 | ||
1c7819ef | 1220 | pc = get_frame_pc (frame); |
c906108c | 1221 | func = find_pc_function (pc); |
c5aa993b | 1222 | |
c906108c SS |
1223 | if (!func) |
1224 | { | |
1225 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 1226 | |
c906108c | 1227 | if (msymbol == NULL) |
8a3fe4f8 | 1228 | error (_("Execution is not within a known function.")); |
c5aa993b | 1229 | |
4e1c45ea PA |
1230 | tp->step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
1231 | tp->step_range_end = pc; | |
c906108c SS |
1232 | } |
1233 | else | |
1234 | { | |
1235 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1236 | |
4e1c45ea PA |
1237 | tp->step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1238 | tp->step_range_end = sal.end; | |
c906108c | 1239 | } |
c5aa993b | 1240 | |
078130d0 | 1241 | tp->step_over_calls = STEP_OVER_ALL; |
c906108c | 1242 | |
af679fd0 | 1243 | tp->step_multi = 0; /* Only one call to proceed */ |
c5aa993b | 1244 | |
2acceee2 | 1245 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
1246 | } |
1247 | ||
c5aa993b | 1248 | static void |
fba45db2 | 1249 | until_command (char *arg, int from_tty) |
c906108c | 1250 | { |
43ff13b4 JM |
1251 | int async_exec = 0; |
1252 | ||
c906108c | 1253 | if (!target_has_execution) |
8a3fe4f8 | 1254 | error (_("The program is not running.")); |
43ff13b4 JM |
1255 | |
1256 | /* Find out whether we must run in the background. */ | |
1257 | if (arg != NULL) | |
1258 | async_exec = strip_bg_char (&arg); | |
1259 | ||
1260 | /* If we must run in the background, but the target can't do it, | |
1261 | error out. */ | |
362646f5 | 1262 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1263 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1264 | |
1265 | /* If we are not asked to run in the bg, then prepare to run in the | |
1266 | foreground, synchronously. */ | |
362646f5 | 1267 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1268 | { |
43ff13b4 | 1269 | /* Simulate synchronous execution */ |
6426a772 | 1270 | async_disable_stdin (); |
43ff13b4 JM |
1271 | } |
1272 | ||
c906108c | 1273 | if (arg) |
ae66c1fc | 1274 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1275 | else |
1276 | until_next_command (from_tty); | |
1277 | } | |
ae66c1fc EZ |
1278 | |
1279 | static void | |
1280 | advance_command (char *arg, int from_tty) | |
1281 | { | |
1282 | int async_exec = 0; | |
1283 | ||
1284 | if (!target_has_execution) | |
8a3fe4f8 | 1285 | error (_("The program is not running.")); |
ae66c1fc EZ |
1286 | |
1287 | if (arg == NULL) | |
e2e0b3e5 | 1288 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1289 | |
1290 | /* Find out whether we must run in the background. */ | |
1291 | if (arg != NULL) | |
1292 | async_exec = strip_bg_char (&arg); | |
1293 | ||
1294 | /* If we must run in the background, but the target can't do it, | |
1295 | error out. */ | |
362646f5 | 1296 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1297 | error (_("Asynchronous execution not supported on this target.")); |
ae66c1fc EZ |
1298 | |
1299 | /* If we are not asked to run in the bg, then prepare to run in the | |
1300 | foreground, synchronously. */ | |
362646f5 | 1301 | if (!async_exec && target_can_async_p ()) |
ae66c1fc EZ |
1302 | { |
1303 | /* Simulate synchronous execution. */ | |
1304 | async_disable_stdin (); | |
1305 | } | |
1306 | ||
1307 | until_break_command (arg, from_tty, 1); | |
1308 | } | |
c906108c | 1309 | \f |
f941662f MK |
1310 | /* Print the result of a function at the end of a 'finish' command. */ |
1311 | ||
11cf8741 | 1312 | static void |
c055b101 | 1313 | print_return_value (struct type *func_type, struct type *value_type) |
11cf8741 | 1314 | { |
d80b854b | 1315 | struct gdbarch *gdbarch = get_regcache_arch (stop_registers); |
bb472c1e MK |
1316 | struct cleanup *old_chain; |
1317 | struct ui_stream *stb; | |
44e5158b AC |
1318 | struct value *value; |
1319 | ||
181fc57c | 1320 | CHECK_TYPEDEF (value_type); |
44e5158b | 1321 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1322 | |
92ad9cd9 AC |
1323 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1324 | call, it's possible (with no help from the architecture vector) | |
1325 | to locate and return/print a "struct return" value. This is just | |
1326 | a more complicated case of what is already being done in in the | |
1327 | inferior function call code. In fact, when inferior function | |
1328 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1329 | |
c055b101 CV |
1330 | switch (gdbarch_return_value (gdbarch, func_type, value_type, |
1331 | NULL, NULL, NULL)) | |
44e5158b | 1332 | { |
750eb019 AC |
1333 | case RETURN_VALUE_REGISTER_CONVENTION: |
1334 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1335 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1336 | value = allocate_value (value_type); |
c055b101 | 1337 | gdbarch_return_value (gdbarch, func_type, value_type, stop_registers, |
990a07ab | 1338 | value_contents_raw (value), NULL); |
750eb019 AC |
1339 | break; |
1340 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1341 | value = NULL; | |
1342 | break; | |
1343 | default: | |
e2e0b3e5 | 1344 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1345 | } |
bb472c1e | 1346 | |
31db7b6c MK |
1347 | if (value) |
1348 | { | |
79a45b7d TT |
1349 | struct value_print_options opts; |
1350 | ||
31db7b6c | 1351 | /* Print it. */ |
1d751abe PA |
1352 | stb = ui_out_stream_new (uiout); |
1353 | old_chain = make_cleanup_ui_out_stream_delete (stb); | |
31db7b6c MK |
1354 | ui_out_text (uiout, "Value returned is "); |
1355 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", | |
1356 | record_latest_value (value)); | |
1357 | ui_out_text (uiout, " = "); | |
79a45b7d TT |
1358 | get_raw_print_options (&opts); |
1359 | value_print (value, stb->stream, &opts); | |
31db7b6c MK |
1360 | ui_out_field_stream (uiout, "return-value", stb); |
1361 | ui_out_text (uiout, "\n"); | |
1d751abe | 1362 | do_cleanups (old_chain); |
31db7b6c MK |
1363 | } |
1364 | else | |
1365 | { | |
1366 | ui_out_text (uiout, "Value returned has type: "); | |
1d751abe PA |
1367 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); |
1368 | ui_out_text (uiout, "."); | |
1369 | ui_out_text (uiout, " Cannot determine contents\n"); | |
31db7b6c | 1370 | } |
11cf8741 JM |
1371 | } |
1372 | ||
43ff13b4 | 1373 | /* Stuff that needs to be done by the finish command after the target |
f941662f MK |
1374 | has stopped. In asynchronous mode, we wait for the target to stop |
1375 | in the call to poll or select in the event loop, so it is | |
1376 | impossible to do all the stuff as part of the finish_command | |
1377 | function itself. The only chance we have to complete this command | |
1378 | is in fetch_inferior_event, which is called by the event loop as | |
1379 | soon as it detects that the target has stopped. This function is | |
1380 | called via the cmd_continuation pointer. */ | |
1381 | ||
bfec99b2 | 1382 | struct finish_command_continuation_args |
43ff13b4 | 1383 | { |
43ff13b4 | 1384 | struct breakpoint *breakpoint; |
bfec99b2 PA |
1385 | struct symbol *function; |
1386 | }; | |
c5aa993b | 1387 | |
bfec99b2 | 1388 | static void |
604ead4a | 1389 | finish_command_continuation (void *arg) |
bfec99b2 PA |
1390 | { |
1391 | struct finish_command_continuation_args *a = arg; | |
41d2bdb4 | 1392 | struct thread_info *tp = NULL; |
347bddb7 PA |
1393 | bpstat bs = NULL; |
1394 | ||
1395 | if (!ptid_equal (inferior_ptid, null_ptid) | |
1396 | && target_has_execution | |
1397 | && is_stopped (inferior_ptid)) | |
41d2bdb4 PA |
1398 | { |
1399 | tp = inferior_thread (); | |
1400 | bs = tp->stop_bpstat; | |
1401 | } | |
347bddb7 PA |
1402 | |
1403 | if (bpstat_find_breakpoint (bs, a->breakpoint) != NULL | |
604ead4a | 1404 | && a->function != NULL) |
43ff13b4 | 1405 | { |
604ead4a | 1406 | struct type *value_type; |
bfec99b2 | 1407 | |
604ead4a PA |
1408 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (a->function)); |
1409 | if (!value_type) | |
1410 | internal_error (__FILE__, __LINE__, | |
1411 | _("finish_command: function has no target type")); | |
f5871ec0 | 1412 | |
604ead4a PA |
1413 | if (TYPE_CODE (value_type) != TYPE_CODE_VOID) |
1414 | print_return_value (SYMBOL_TYPE (a->function), value_type); | |
43ff13b4 | 1415 | } |
f941662f | 1416 | |
604ead4a | 1417 | /* We suppress normal call of normal_stop observer and do it here so |
41d2bdb4 PA |
1418 | that the *stopped notification includes the return value. */ |
1419 | if (bs != NULL && tp->proceed_to_finish) | |
1420 | observer_notify_normal_stop (bs, 1 /* print frame */); | |
bfec99b2 | 1421 | delete_breakpoint (a->breakpoint); |
43ff13b4 JM |
1422 | } |
1423 | ||
604ead4a PA |
1424 | static void |
1425 | finish_command_continuation_free_arg (void *arg) | |
1426 | { | |
604ead4a PA |
1427 | xfree (arg); |
1428 | } | |
1429 | ||
b2175913 MS |
1430 | /* finish_backward -- helper function for finish_command. */ |
1431 | ||
1432 | static void | |
1433 | finish_backward (struct symbol *function) | |
1434 | { | |
1435 | struct symtab_and_line sal; | |
1436 | struct thread_info *tp = inferior_thread (); | |
1437 | struct breakpoint *breakpoint; | |
1438 | struct cleanup *old_chain; | |
1c7819ef | 1439 | CORE_ADDR pc; |
b2175913 MS |
1440 | CORE_ADDR func_addr; |
1441 | int back_up; | |
1442 | ||
1c7819ef PA |
1443 | pc = get_frame_pc (get_current_frame ()); |
1444 | ||
1445 | if (find_pc_partial_function (pc, NULL, &func_addr, NULL) == 0) | |
b2175913 MS |
1446 | internal_error (__FILE__, __LINE__, |
1447 | _("Finish: couldn't find function.")); | |
1448 | ||
1449 | sal = find_pc_line (func_addr, 0); | |
1450 | ||
1451 | /* We don't need a return value. */ | |
1452 | tp->proceed_to_finish = 0; | |
1453 | /* Special case: if we're sitting at the function entry point, | |
1454 | then all we need to do is take a reverse singlestep. We | |
1455 | don't need to set a breakpoint, and indeed it would do us | |
1456 | no good to do so. | |
1457 | ||
1458 | Note that this can only happen at frame #0, since there's | |
1459 | no way that a function up the stack can have a return address | |
1460 | that's equal to its entry point. */ | |
1461 | ||
1c7819ef | 1462 | if (sal.pc != pc) |
b2175913 | 1463 | { |
a6d9a66e UW |
1464 | struct frame_info *frame = get_selected_frame (NULL); |
1465 | struct gdbarch *gdbarch = get_frame_arch (frame); | |
1466 | ||
b2175913 MS |
1467 | /* Set breakpoint and continue. */ |
1468 | breakpoint = | |
a6d9a66e UW |
1469 | set_momentary_breakpoint (gdbarch, sal, |
1470 | get_stack_frame_id (frame), | |
b2175913 MS |
1471 | bp_breakpoint); |
1472 | /* Tell the breakpoint to keep quiet. We won't be done | |
1473 | until we've done another reverse single-step. */ | |
1474 | make_breakpoint_silent (breakpoint); | |
1475 | old_chain = make_cleanup_delete_breakpoint (breakpoint); | |
1476 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
1477 | /* We will be stopped when proceed returns. */ | |
1478 | back_up = bpstat_find_breakpoint (tp->stop_bpstat, breakpoint) != NULL; | |
1479 | do_cleanups (old_chain); | |
1480 | } | |
1481 | else | |
1482 | back_up = 1; | |
1483 | if (back_up) | |
1484 | { | |
1485 | /* If in fact we hit the step-resume breakpoint (and not | |
1486 | some other breakpoint), then we're almost there -- | |
1487 | we just need to back up by one more single-step. */ | |
1488 | tp->step_range_start = tp->step_range_end = 1; | |
1489 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
1490 | } | |
1491 | return; | |
1492 | } | |
1493 | ||
1494 | /* finish_forward -- helper function for finish_command. */ | |
1495 | ||
1496 | static void | |
1497 | finish_forward (struct symbol *function, struct frame_info *frame) | |
1498 | { | |
a6d9a66e | 1499 | struct gdbarch *gdbarch = get_frame_arch (frame); |
b2175913 MS |
1500 | struct symtab_and_line sal; |
1501 | struct thread_info *tp = inferior_thread (); | |
1502 | struct breakpoint *breakpoint; | |
1503 | struct cleanup *old_chain; | |
1504 | struct finish_command_continuation_args *cargs; | |
1505 | ||
1506 | sal = find_pc_line (get_frame_pc (frame), 0); | |
1507 | sal.pc = get_frame_pc (frame); | |
1508 | ||
a6d9a66e UW |
1509 | breakpoint = set_momentary_breakpoint (gdbarch, sal, |
1510 | get_stack_frame_id (frame), | |
b2175913 MS |
1511 | bp_finish); |
1512 | ||
1513 | old_chain = make_cleanup_delete_breakpoint (breakpoint); | |
1514 | ||
1515 | tp->proceed_to_finish = 1; /* We want stop_registers, please... */ | |
b2175913 MS |
1516 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
1517 | ||
1518 | cargs = xmalloc (sizeof (*cargs)); | |
1519 | ||
1520 | cargs->breakpoint = breakpoint; | |
1521 | cargs->function = function; | |
1522 | add_continuation (tp, finish_command_continuation, cargs, | |
1523 | finish_command_continuation_free_arg); | |
1524 | ||
1525 | discard_cleanups (old_chain); | |
1526 | if (!target_can_async_p ()) | |
1527 | do_all_continuations (); | |
1528 | } | |
1529 | ||
f941662f MK |
1530 | /* "finish": Set a temporary breakpoint at the place the selected |
1531 | frame will return to, then continue. */ | |
c906108c SS |
1532 | |
1533 | static void | |
fba45db2 | 1534 | finish_command (char *arg, int from_tty) |
c906108c | 1535 | { |
52f0bd74 AC |
1536 | struct frame_info *frame; |
1537 | struct symbol *function; | |
43ff13b4 JM |
1538 | |
1539 | int async_exec = 0; | |
1540 | ||
f941662f | 1541 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1542 | if (arg != NULL) |
1543 | async_exec = strip_bg_char (&arg); | |
1544 | ||
1545 | /* If we must run in the background, but the target can't do it, | |
f941662f | 1546 | error out. */ |
362646f5 | 1547 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1548 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 | 1549 | |
b2175913 MS |
1550 | /* Don't try to async in reverse. */ |
1551 | if (async_exec && execution_direction == EXEC_REVERSE) | |
1552 | error (_("Asynchronous 'finish' not supported in reverse.")); | |
1553 | ||
43ff13b4 | 1554 | /* If we are not asked to run in the bg, then prepare to run in the |
f941662f | 1555 | foreground, synchronously. */ |
362646f5 | 1556 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1557 | { |
f941662f | 1558 | /* Simulate synchronous execution. */ |
6426a772 | 1559 | async_disable_stdin (); |
43ff13b4 | 1560 | } |
c906108c SS |
1561 | |
1562 | if (arg) | |
8a3fe4f8 | 1563 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1564 | if (!target_has_execution) |
8a3fe4f8 | 1565 | error (_("The program is not running.")); |
c906108c | 1566 | |
206415a3 | 1567 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 1568 | if (frame == 0) |
8a3fe4f8 | 1569 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c SS |
1570 | |
1571 | clear_proceed_status (); | |
1572 | ||
edb3359d DJ |
1573 | /* Finishing from an inline frame is completely different. We don't |
1574 | try to show the "return value" - no way to locate it. So we do | |
1575 | not need a completion. */ | |
1576 | if (get_frame_type (get_selected_frame (_("No selected frame."))) | |
1577 | == INLINE_FRAME) | |
1578 | { | |
1579 | /* Claim we are stepping in the calling frame. An empty step | |
1580 | range means that we will stop once we aren't in a function | |
1581 | called by that frame. We don't use the magic "1" value for | |
1582 | step_range_end, because then infrun will think this is nexti, | |
1583 | and not step over the rest of this inlined function call. */ | |
1584 | struct thread_info *tp = inferior_thread (); | |
1585 | struct symtab_and_line empty_sal; | |
1586 | init_sal (&empty_sal); | |
1587 | set_step_info (frame, empty_sal); | |
1588 | tp->step_range_start = tp->step_range_end = get_frame_pc (frame); | |
1589 | tp->step_over_calls = STEP_OVER_ALL; | |
1590 | ||
1591 | /* Print info on the selected frame, including level number but not | |
1592 | source. */ | |
1593 | if (from_tty) | |
1594 | { | |
1595 | printf_filtered (_("Run till exit from ")); | |
1596 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION); | |
1597 | } | |
1598 | ||
1599 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
1600 | return; | |
1601 | } | |
1602 | ||
c906108c SS |
1603 | /* Find the function we will return from. */ |
1604 | ||
206415a3 | 1605 | function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 1606 | |
f941662f MK |
1607 | /* Print info on the selected frame, including level number but not |
1608 | source. */ | |
c906108c SS |
1609 | if (from_tty) |
1610 | { | |
b2175913 MS |
1611 | if (execution_direction == EXEC_REVERSE) |
1612 | printf_filtered (_("Run back to call of ")); | |
1613 | else | |
1614 | printf_filtered (_("Run till exit from ")); | |
1615 | ||
b04f3ab4 | 1616 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION); |
c906108c SS |
1617 | } |
1618 | ||
b2175913 MS |
1619 | if (execution_direction == EXEC_REVERSE) |
1620 | finish_backward (function); | |
1621 | else | |
1622 | finish_forward (function, frame); | |
c906108c SS |
1623 | } |
1624 | \f | |
f941662f | 1625 | |
c906108c | 1626 | static void |
fba45db2 | 1627 | program_info (char *args, int from_tty) |
c906108c | 1628 | { |
347bddb7 PA |
1629 | bpstat bs; |
1630 | int num, stat; | |
1631 | struct thread_info *tp; | |
1632 | ptid_t ptid; | |
c5aa993b | 1633 | |
c906108c SS |
1634 | if (!target_has_execution) |
1635 | { | |
a3f17187 | 1636 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
1637 | return; |
1638 | } | |
1639 | ||
347bddb7 PA |
1640 | if (non_stop) |
1641 | ptid = inferior_ptid; | |
1642 | else | |
1643 | { | |
1644 | struct target_waitstatus ws; | |
1645 | get_last_target_status (&ptid, &ws); | |
1646 | } | |
1647 | ||
1648 | if (ptid_equal (ptid, null_ptid) || is_exited (ptid)) | |
1649 | error (_("Invalid selected thread.")); | |
1650 | else if (is_running (ptid)) | |
1651 | error (_("Selected thread is running.")); | |
1652 | ||
e09875d4 | 1653 | tp = find_thread_ptid (ptid); |
347bddb7 PA |
1654 | bs = tp->stop_bpstat; |
1655 | stat = bpstat_num (&bs, &num); | |
1656 | ||
c906108c | 1657 | target_files_info (); |
616d7dd2 | 1658 | printf_filtered (_("Program stopped at %s.\n"), paddress (stop_pc)); |
414c69f7 | 1659 | if (tp->stop_step) |
a3f17187 | 1660 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 1661 | else if (stat != 0) |
c906108c SS |
1662 | { |
1663 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1664 | isn't as strange as it seems. */ |
8671a17b | 1665 | while (stat != 0) |
c906108c | 1666 | { |
8671a17b | 1667 | if (stat < 0) |
c906108c | 1668 | { |
a3f17187 AC |
1669 | printf_filtered (_("\ |
1670 | It stopped at a breakpoint that has since been deleted.\n")); | |
c906108c SS |
1671 | } |
1672 | else | |
a3f17187 | 1673 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 1674 | stat = bpstat_num (&bs, &num); |
c906108c SS |
1675 | } |
1676 | } | |
2020b7ab | 1677 | else if (tp->stop_signal != TARGET_SIGNAL_0) |
c906108c | 1678 | { |
a3f17187 | 1679 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
2020b7ab PA |
1680 | target_signal_to_name (tp->stop_signal), |
1681 | target_signal_to_string (tp->stop_signal)); | |
c906108c SS |
1682 | } |
1683 | ||
1684 | if (!from_tty) | |
1685 | { | |
a3f17187 AC |
1686 | printf_filtered (_("\ |
1687 | Type \"info stack\" or \"info registers\" for more information.\n")); | |
c906108c SS |
1688 | } |
1689 | } | |
1690 | \f | |
1691 | static void | |
fba45db2 | 1692 | environment_info (char *var, int from_tty) |
c906108c SS |
1693 | { |
1694 | if (var) | |
1695 | { | |
aa1ee363 | 1696 | char *val = get_in_environ (inferior_environ, var); |
c906108c SS |
1697 | if (val) |
1698 | { | |
1699 | puts_filtered (var); | |
1700 | puts_filtered (" = "); | |
1701 | puts_filtered (val); | |
1702 | puts_filtered ("\n"); | |
1703 | } | |
1704 | else | |
1705 | { | |
1706 | puts_filtered ("Environment variable \""); | |
1707 | puts_filtered (var); | |
1708 | puts_filtered ("\" not defined.\n"); | |
1709 | } | |
1710 | } | |
1711 | else | |
1712 | { | |
aa1ee363 | 1713 | char **vector = environ_vector (inferior_environ); |
c906108c SS |
1714 | while (*vector) |
1715 | { | |
1716 | puts_filtered (*vector++); | |
1717 | puts_filtered ("\n"); | |
1718 | } | |
1719 | } | |
1720 | } | |
1721 | ||
1722 | static void | |
fba45db2 | 1723 | set_environment_command (char *arg, int from_tty) |
c906108c | 1724 | { |
52f0bd74 | 1725 | char *p, *val, *var; |
c906108c SS |
1726 | int nullset = 0; |
1727 | ||
1728 | if (arg == 0) | |
e2e0b3e5 | 1729 | error_no_arg (_("environment variable and value")); |
c906108c SS |
1730 | |
1731 | /* Find seperation between variable name and value */ | |
1732 | p = (char *) strchr (arg, '='); | |
1733 | val = (char *) strchr (arg, ' '); | |
1734 | ||
1735 | if (p != 0 && val != 0) | |
1736 | { | |
1737 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1738 | equals, walk forward over the spaces til we see a nonspace |
1739 | (possibly the equals). */ | |
c906108c SS |
1740 | if (p > val) |
1741 | while (*val == ' ') | |
1742 | val++; | |
1743 | ||
1744 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1745 | take the char following the spaces. */ |
c906108c SS |
1746 | if (p > val) |
1747 | p = val - 1; | |
1748 | } | |
1749 | else if (val != 0 && p == 0) | |
1750 | p = val; | |
1751 | ||
1752 | if (p == arg) | |
e2e0b3e5 | 1753 | error_no_arg (_("environment variable to set")); |
c906108c SS |
1754 | |
1755 | if (p == 0 || p[1] == 0) | |
1756 | { | |
1757 | nullset = 1; | |
1758 | if (p == 0) | |
1759 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1760 | } | |
1761 | else | |
1762 | { | |
1763 | /* Not setting variable value to null */ | |
1764 | val = p + 1; | |
1765 | while (*val == ' ' || *val == '\t') | |
1766 | val++; | |
1767 | } | |
1768 | ||
c5aa993b JM |
1769 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1770 | p--; | |
c906108c SS |
1771 | |
1772 | var = savestring (arg, p - arg); | |
1773 | if (nullset) | |
1774 | { | |
a3f17187 AC |
1775 | printf_filtered (_("\ |
1776 | Setting environment variable \"%s\" to null value.\n"), | |
1777 | var); | |
c906108c SS |
1778 | set_in_environ (inferior_environ, var, ""); |
1779 | } | |
1780 | else | |
1781 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1782 | xfree (var); |
c906108c SS |
1783 | } |
1784 | ||
1785 | static void | |
fba45db2 | 1786 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1787 | { |
1788 | if (var == 0) | |
1789 | { | |
1790 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1791 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 1792 | if (!from_tty || query (_("Delete all environment variables? "))) |
c906108c SS |
1793 | { |
1794 | free_environ (inferior_environ); | |
1795 | inferior_environ = make_environ (); | |
1796 | } | |
1797 | } | |
1798 | else | |
1799 | unset_in_environ (inferior_environ, var); | |
1800 | } | |
1801 | ||
1802 | /* Handle the execution path (PATH variable) */ | |
1803 | ||
1804 | static const char path_var_name[] = "PATH"; | |
1805 | ||
c906108c | 1806 | static void |
fba45db2 | 1807 | path_info (char *args, int from_tty) |
c906108c SS |
1808 | { |
1809 | puts_filtered ("Executable and object file path: "); | |
1810 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1811 | puts_filtered ("\n"); | |
1812 | } | |
1813 | ||
1814 | /* Add zero or more directories to the front of the execution path. */ | |
1815 | ||
1816 | static void | |
fba45db2 | 1817 | path_command (char *dirname, int from_tty) |
c906108c SS |
1818 | { |
1819 | char *exec_path; | |
1820 | char *env; | |
1821 | dont_repeat (); | |
1822 | env = get_in_environ (inferior_environ, path_var_name); | |
1823 | /* Can be null if path is not set */ | |
1824 | if (!env) | |
1825 | env = ""; | |
4fcf66da | 1826 | exec_path = xstrdup (env); |
c906108c SS |
1827 | mod_path (dirname, &exec_path); |
1828 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1829 | xfree (exec_path); |
c906108c | 1830 | if (from_tty) |
c5aa993b | 1831 | path_info ((char *) NULL, from_tty); |
c906108c | 1832 | } |
c906108c | 1833 | \f |
c5aa993b | 1834 | |
4782dc19 | 1835 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1836 | registers (print_all == 1) or all non-float and non-vector |
1837 | registers (print_all == 0). | |
c906108c SS |
1838 | |
1839 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1840 | register(s) one per line is good enough. If a different format is |
1841 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1842 | regs), or there is an existing convention for showing all the | |
1843 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1844 | provide that format. */ | |
c906108c | 1845 | |
666e11c5 | 1846 | void |
0ab7a791 AC |
1847 | default_print_registers_info (struct gdbarch *gdbarch, |
1848 | struct ui_file *file, | |
1849 | struct frame_info *frame, | |
1850 | int regnum, int print_all) | |
c906108c | 1851 | { |
0ab7a791 | 1852 | int i; |
a4bd449d UW |
1853 | const int numregs = gdbarch_num_regs (gdbarch) |
1854 | + gdbarch_num_pseudo_regs (gdbarch); | |
10c42a71 | 1855 | gdb_byte buffer[MAX_REGISTER_SIZE]; |
0ab7a791 | 1856 | |
c906108c SS |
1857 | for (i = 0; i < numregs; i++) |
1858 | { | |
4782dc19 AC |
1859 | /* Decide between printing all regs, non-float / vector regs, or |
1860 | specific reg. */ | |
c5aa993b JM |
1861 | if (regnum == -1) |
1862 | { | |
f9418c0f | 1863 | if (print_all) |
4782dc19 | 1864 | { |
f9418c0f | 1865 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1866 | continue; |
f9418c0f AC |
1867 | } |
1868 | else | |
1869 | { | |
1870 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1871 | continue; |
1872 | } | |
c5aa993b JM |
1873 | } |
1874 | else | |
1875 | { | |
1876 | if (i != regnum) | |
1877 | continue; | |
1878 | } | |
c906108c SS |
1879 | |
1880 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1881 | processor, so don't display anything. */ |
a4bd449d UW |
1882 | if (gdbarch_register_name (gdbarch, i) == NULL |
1883 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
1884 | continue; |
1885 | ||
a4bd449d | 1886 | fputs_filtered (gdbarch_register_name (gdbarch, i), file); |
c9f4d572 | 1887 | print_spaces_filtered (15 - strlen (gdbarch_register_name |
a4bd449d | 1888 | (gdbarch, i)), file); |
c906108c SS |
1889 | |
1890 | /* Get the data in raw format. */ | |
9730f241 | 1891 | if (! frame_register_read (frame, i, buffer)) |
c906108c | 1892 | { |
0ab7a791 | 1893 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1894 | continue; |
1895 | } | |
1896 | ||
0ab7a791 AC |
1897 | /* If virtual format is floating, print it that way, and in raw |
1898 | hex. */ | |
f949c649 TJB |
1899 | if (TYPE_CODE (register_type (gdbarch, i)) == TYPE_CODE_FLT |
1900 | || TYPE_CODE (register_type (gdbarch, i)) == TYPE_CODE_DECFLOAT) | |
c906108c | 1901 | { |
0ab7a791 | 1902 | int j; |
79a45b7d | 1903 | struct value_print_options opts; |
c906108c | 1904 | |
79a45b7d TT |
1905 | get_user_print_options (&opts); |
1906 | opts.deref_ref = 1; | |
a4bd449d | 1907 | val_print (register_type (gdbarch, i), buffer, 0, 0, |
79a45b7d | 1908 | file, 0, &opts, current_language); |
c906108c | 1909 | |
0ab7a791 | 1910 | fprintf_filtered (file, "\t(raw 0x"); |
a4bd449d | 1911 | for (j = 0; j < register_size (gdbarch, i); j++) |
c906108c | 1912 | { |
0ab7a791 | 1913 | int idx; |
a4bd449d | 1914 | if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) |
0ab7a791 AC |
1915 | idx = j; |
1916 | else | |
a4bd449d | 1917 | idx = register_size (gdbarch, i) - 1 - j; |
9730f241 | 1918 | fprintf_filtered (file, "%02x", (unsigned char) buffer[idx]); |
c906108c | 1919 | } |
0ab7a791 | 1920 | fprintf_filtered (file, ")"); |
c906108c | 1921 | } |
c906108c SS |
1922 | else |
1923 | { | |
79a45b7d TT |
1924 | struct value_print_options opts; |
1925 | ||
ab4327e0 | 1926 | /* Print the register in hex. */ |
79a45b7d TT |
1927 | get_formatted_print_options (&opts, 'x'); |
1928 | opts.deref_ref = 1; | |
a4bd449d | 1929 | val_print (register_type (gdbarch, i), buffer, 0, 0, |
79a45b7d TT |
1930 | file, 0, &opts, |
1931 | current_language); | |
ab4327e0 EZ |
1932 | /* If not a vector register, print it also according to its |
1933 | natural format. */ | |
a4bd449d | 1934 | if (TYPE_VECTOR (register_type (gdbarch, i)) == 0) |
ab4327e0 | 1935 | { |
79a45b7d TT |
1936 | get_user_print_options (&opts); |
1937 | opts.deref_ref = 1; | |
9d84ac84 | 1938 | fprintf_filtered (file, "\t"); |
a4bd449d | 1939 | val_print (register_type (gdbarch, i), buffer, 0, 0, |
79a45b7d | 1940 | file, 0, &opts, current_language); |
ab4327e0 | 1941 | } |
c906108c SS |
1942 | } |
1943 | ||
0ab7a791 | 1944 | fprintf_filtered (file, "\n"); |
c906108c SS |
1945 | } |
1946 | } | |
c906108c | 1947 | |
c906108c | 1948 | void |
fba45db2 | 1949 | registers_info (char *addr_exp, int fpregs) |
c906108c | 1950 | { |
206415a3 | 1951 | struct frame_info *frame; |
a4bd449d | 1952 | struct gdbarch *gdbarch; |
c906108c | 1953 | int regnum, numregs; |
52f0bd74 | 1954 | char *end; |
c906108c SS |
1955 | |
1956 | if (!target_has_registers) | |
8a3fe4f8 | 1957 | error (_("The program has no registers now.")); |
206415a3 | 1958 | frame = get_selected_frame (NULL); |
a4bd449d | 1959 | gdbarch = get_frame_arch (frame); |
c906108c SS |
1960 | |
1961 | if (!addr_exp) | |
1962 | { | |
a4bd449d | 1963 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 1964 | frame, -1, fpregs); |
c906108c SS |
1965 | return; |
1966 | } | |
1967 | ||
f9418c0f | 1968 | while (*addr_exp != '\0') |
c5aa993b | 1969 | { |
f9418c0f AC |
1970 | char *start; |
1971 | const char *end; | |
c906108c | 1972 | |
f9418c0f AC |
1973 | /* Keep skipping leading white space. */ |
1974 | if (isspace ((*addr_exp))) | |
1975 | { | |
1976 | addr_exp++; | |
1977 | continue; | |
1978 | } | |
c906108c | 1979 | |
f9418c0f AC |
1980 | /* Discard any leading ``$''. Check that there is something |
1981 | resembling a register following it. */ | |
1982 | if (addr_exp[0] == '$') | |
1983 | addr_exp++; | |
1984 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 1985 | error (_("Missing register name")); |
c906108c | 1986 | |
f9418c0f AC |
1987 | /* Find the start/end of this register name/num/group. */ |
1988 | start = addr_exp; | |
1989 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1990 | addr_exp++; | |
1991 | end = addr_exp; | |
ad842144 | 1992 | |
f9418c0f AC |
1993 | /* Figure out what we've found and display it. */ |
1994 | ||
1995 | /* A register name? */ | |
1996 | { | |
029a67e4 | 1997 | int regnum = user_reg_map_name_to_regnum (gdbarch, start, end - start); |
f9418c0f AC |
1998 | if (regnum >= 0) |
1999 | { | |
ad842144 MR |
2000 | /* User registers lie completely outside of the range of |
2001 | normal registers. Catch them early so that the target | |
2002 | never sees them. */ | |
2003 | if (regnum >= gdbarch_num_regs (gdbarch) | |
2004 | + gdbarch_num_pseudo_regs (gdbarch)) | |
2005 | { | |
79a45b7d | 2006 | struct value_print_options opts; |
ad842144 MR |
2007 | struct value *val = value_of_user_reg (regnum, frame); |
2008 | ||
2009 | printf_filtered ("%s: ", start); | |
79a45b7d | 2010 | get_formatted_print_options (&opts, 'x'); |
ad842144 MR |
2011 | print_scalar_formatted (value_contents (val), |
2012 | check_typedef (value_type (val)), | |
79a45b7d | 2013 | &opts, 0, gdb_stdout); |
ad842144 MR |
2014 | printf_filtered ("\n"); |
2015 | } | |
2016 | else | |
2017 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
2018 | frame, regnum, fpregs); | |
f9418c0f AC |
2019 | continue; |
2020 | } | |
2021 | } | |
ad842144 | 2022 | |
f9418c0f AC |
2023 | /* A register group? */ |
2024 | { | |
6c7d17ba | 2025 | struct reggroup *group; |
a4bd449d | 2026 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 2027 | group != NULL; |
a4bd449d | 2028 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
2029 | { |
2030 | /* Don't bother with a length check. Should the user | |
2031 | enter a short register group name, go with the first | |
2032 | group that matches. */ | |
6c7d17ba | 2033 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
2034 | break; |
2035 | } | |
6c7d17ba | 2036 | if (group != NULL) |
f9418c0f AC |
2037 | { |
2038 | int regnum; | |
f57d151a | 2039 | for (regnum = 0; |
a4bd449d UW |
2040 | regnum < gdbarch_num_regs (gdbarch) |
2041 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2042 | regnum++) |
f9418c0f | 2043 | { |
a4bd449d UW |
2044 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
2045 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 2046 | gdb_stdout, frame, |
f9418c0f AC |
2047 | regnum, fpregs); |
2048 | } | |
2049 | continue; | |
2050 | } | |
2051 | } | |
c906108c | 2052 | |
f9418c0f | 2053 | /* Nothing matched. */ |
8a3fe4f8 | 2054 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 2055 | } |
c906108c SS |
2056 | } |
2057 | ||
2058 | void | |
fba45db2 | 2059 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
2060 | { |
2061 | registers_info (addr_exp, 1); | |
2062 | } | |
2063 | ||
a58dd373 | 2064 | static void |
fba45db2 | 2065 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
2066 | { |
2067 | registers_info (addr_exp, 0); | |
2068 | } | |
e76f1f2e AC |
2069 | |
2070 | static void | |
d80b854b | 2071 | print_vector_info (struct ui_file *file, |
e76f1f2e AC |
2072 | struct frame_info *frame, const char *args) |
2073 | { | |
d80b854b UW |
2074 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2075 | ||
e76f1f2e AC |
2076 | if (gdbarch_print_vector_info_p (gdbarch)) |
2077 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
2078 | else | |
2079 | { | |
2080 | int regnum; | |
2081 | int printed_something = 0; | |
ab4327e0 | 2082 | |
f57d151a | 2083 | for (regnum = 0; |
a4bd449d UW |
2084 | regnum < gdbarch_num_regs (gdbarch) |
2085 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2086 | regnum++) |
e76f1f2e | 2087 | { |
f9418c0f | 2088 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
2089 | { |
2090 | printed_something = 1; | |
e76f1f2e | 2091 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
2092 | } |
2093 | } | |
2094 | if (!printed_something) | |
2095 | fprintf_filtered (file, "No vector information\n"); | |
2096 | } | |
2097 | } | |
2098 | ||
2099 | static void | |
2100 | vector_info (char *args, int from_tty) | |
2101 | { | |
206415a3 DJ |
2102 | if (!target_has_registers) |
2103 | error (_("The program has no registers now.")); | |
2104 | ||
d80b854b | 2105 | print_vector_info (gdb_stdout, get_selected_frame (NULL), args); |
e76f1f2e | 2106 | } |
c906108c | 2107 | \f |
5fd62852 PA |
2108 | /* Kill the inferior process. Make us have no inferior. */ |
2109 | ||
2110 | static void | |
2111 | kill_command (char *arg, int from_tty) | |
2112 | { | |
2113 | /* FIXME: This should not really be inferior_ptid (or target_has_execution). | |
2114 | It should be a distinct flag that indicates that a target is active, cuz | |
2115 | some targets don't have processes! */ | |
2116 | ||
2117 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2118 | error (_("The program is not being run.")); | |
2119 | if (!query (_("Kill the program being debugged? "))) | |
2120 | error (_("Not confirmed.")); | |
2121 | target_kill (); | |
2122 | ||
c35b1492 PA |
2123 | /* If we still have other inferiors to debug, then don't mess with |
2124 | with their threads. */ | |
2125 | if (!have_inferiors ()) | |
5fd62852 PA |
2126 | { |
2127 | init_thread_list (); /* Destroy thread info */ | |
2128 | ||
2129 | /* Killing off the inferior can leave us with a core file. If | |
2130 | so, print the state we are left in. */ | |
2131 | if (target_has_stack) | |
2132 | { | |
2133 | printf_filtered (_("In %s,\n"), target_longname); | |
2134 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC); | |
2135 | } | |
2136 | } | |
2137 | bfd_cache_close_all (); | |
2138 | } | |
c5aa993b | 2139 | |
74531fed PA |
2140 | /* Used in `attach&' command. ARG is a point to an integer |
2141 | representing a process id. Proceed threads of this process iff | |
2142 | they stopped due to debugger request, and when they did, they | |
2143 | reported a clean stop (TARGET_SIGNAL_0). Do not proceed threads | |
2144 | that have been explicitly been told to stop. */ | |
2145 | ||
2146 | static int | |
2147 | proceed_after_attach_callback (struct thread_info *thread, | |
2148 | void *arg) | |
2149 | { | |
2150 | int pid = * (int *) arg; | |
2151 | ||
2152 | if (ptid_get_pid (thread->ptid) == pid | |
2153 | && !is_exited (thread->ptid) | |
2154 | && !is_executing (thread->ptid) | |
2155 | && !thread->stop_requested | |
2156 | && thread->stop_signal == TARGET_SIGNAL_0) | |
2157 | { | |
2158 | switch_to_thread (thread->ptid); | |
2159 | clear_proceed_status (); | |
2160 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
2161 | } | |
2162 | ||
2163 | return 0; | |
2164 | } | |
2165 | ||
2166 | static void | |
2167 | proceed_after_attach (int pid) | |
2168 | { | |
2169 | /* Don't error out if the current thread is running, because | |
2170 | there may be other stopped threads. */ | |
2171 | struct cleanup *old_chain; | |
2172 | ||
2173 | /* Backup current thread and selected frame. */ | |
2174 | old_chain = make_cleanup_restore_current_thread (); | |
2175 | ||
2176 | iterate_over_threads (proceed_after_attach_callback, &pid); | |
2177 | ||
2178 | /* Restore selected ptid. */ | |
2179 | do_cleanups (old_chain); | |
2180 | } | |
2181 | ||
c906108c SS |
2182 | /* |
2183 | * TODO: | |
2184 | * Should save/restore the tty state since it might be that the | |
2185 | * program to be debugged was started on this tty and it wants | |
2186 | * the tty in some state other than what we want. If it's running | |
2187 | * on another terminal or without a terminal, then saving and | |
2188 | * restoring the tty state is a harmless no-op. | |
2189 | * This only needs to be done if we are attaching to a process. | |
2190 | */ | |
2191 | ||
2192 | /* | |
2193 | attach_command -- | |
2194 | takes a program started up outside of gdb and ``attaches'' to it. | |
2195 | This stops it cold in its tracks and allows us to start debugging it. | |
2196 | and wait for the trace-trap that results from attaching. */ | |
2197 | ||
9356cf8d PA |
2198 | static void |
2199 | attach_command_post_wait (char *args, int from_tty, int async_exec) | |
2200 | { | |
2201 | char *exec_file; | |
2202 | char *full_exec_path = NULL; | |
d6b48e9c | 2203 | struct inferior *inferior; |
9356cf8d | 2204 | |
d6b48e9c PA |
2205 | inferior = current_inferior (); |
2206 | inferior->stop_soon = NO_STOP_QUIETLY; | |
9356cf8d PA |
2207 | |
2208 | /* If no exec file is yet known, try to determine it from the | |
2209 | process itself. */ | |
2210 | exec_file = (char *) get_exec_file (0); | |
2211 | if (!exec_file) | |
2212 | { | |
2213 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); | |
2214 | if (exec_file) | |
2215 | { | |
2216 | /* It's possible we don't have a full path, but rather just a | |
2217 | filename. Some targets, such as HP-UX, don't provide the | |
2218 | full path, sigh. | |
2219 | ||
2220 | Attempt to qualify the filename against the source path. | |
2221 | (If that fails, we'll just fall back on the original | |
2222 | filename. Not much more we can do...) | |
2223 | */ | |
2224 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1b36a34b | 2225 | full_exec_path = xstrdup (exec_file); |
9356cf8d PA |
2226 | |
2227 | exec_file_attach (full_exec_path, from_tty); | |
2228 | symbol_file_add_main (full_exec_path, from_tty); | |
2229 | } | |
2230 | } | |
2231 | else | |
2232 | { | |
2233 | reopen_exec_file (); | |
2234 | reread_symbols (); | |
2235 | } | |
2236 | ||
2237 | /* Take any necessary post-attaching actions for this platform. */ | |
2238 | target_post_attach (PIDGET (inferior_ptid)); | |
2239 | ||
2240 | post_create_inferior (¤t_target, from_tty); | |
2241 | ||
2242 | /* Install inferior's terminal modes. */ | |
2243 | target_terminal_inferior (); | |
2244 | ||
2245 | if (async_exec) | |
74531fed PA |
2246 | { |
2247 | /* The user requested an `attach&', so be sure to leave threads | |
2248 | that didn't get a signal running. */ | |
2249 | ||
2250 | /* Immediatelly resume all suspended threads of this inferior, | |
2251 | and this inferior only. This should have no effect on | |
2252 | already running threads. If a thread has been stopped with a | |
2253 | signal, leave it be. */ | |
2254 | if (non_stop) | |
2255 | proceed_after_attach (inferior->pid); | |
2256 | else | |
2257 | { | |
2258 | if (inferior_thread ()->stop_signal == TARGET_SIGNAL_0) | |
2259 | { | |
2260 | clear_proceed_status (); | |
2261 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); | |
2262 | } | |
2263 | } | |
2264 | } | |
9356cf8d PA |
2265 | else |
2266 | { | |
74531fed PA |
2267 | /* The user requested a plain `attach', so be sure to leave |
2268 | the inferior stopped. */ | |
2269 | ||
9356cf8d PA |
2270 | if (target_can_async_p ()) |
2271 | async_enable_stdin (); | |
74531fed PA |
2272 | |
2273 | /* At least the current thread is already stopped. */ | |
2274 | ||
2275 | /* In all-stop, by definition, all threads have to be already | |
2276 | stopped at this point. In non-stop, however, although the | |
2277 | selected thread is stopped, others may still be executing. | |
2278 | Be sure to explicitly stop all threads of the process. This | |
2279 | should have no effect on already stopped threads. */ | |
2280 | if (non_stop) | |
2281 | target_stop (pid_to_ptid (inferior->pid)); | |
2282 | ||
2283 | /* Tell the user/frontend where we're stopped. */ | |
9356cf8d PA |
2284 | normal_stop (); |
2285 | if (deprecated_attach_hook) | |
2286 | deprecated_attach_hook (); | |
2287 | } | |
2288 | } | |
2289 | ||
bfec99b2 | 2290 | struct attach_command_continuation_args |
9356cf8d PA |
2291 | { |
2292 | char *args; | |
2293 | int from_tty; | |
2294 | int async_exec; | |
bfec99b2 | 2295 | }; |
9356cf8d | 2296 | |
bfec99b2 | 2297 | static void |
604ead4a | 2298 | attach_command_continuation (void *args) |
bfec99b2 PA |
2299 | { |
2300 | struct attach_command_continuation_args *a = args; | |
2301 | attach_command_post_wait (a->args, a->from_tty, a->async_exec); | |
9356cf8d PA |
2302 | } |
2303 | ||
604ead4a PA |
2304 | static void |
2305 | attach_command_continuation_free_args (void *args) | |
2306 | { | |
2307 | struct attach_command_continuation_args *a = args; | |
2308 | xfree (a->args); | |
2309 | xfree (a); | |
2310 | } | |
2311 | ||
c906108c | 2312 | void |
fba45db2 | 2313 | attach_command (char *args, int from_tty) |
c906108c | 2314 | { |
c5aa993b JM |
2315 | char *exec_file; |
2316 | char *full_exec_path = NULL; | |
9356cf8d | 2317 | int async_exec = 0; |
cb0362bb | 2318 | struct cleanup *back_to = make_cleanup (null_cleanup, NULL); |
c906108c | 2319 | |
c5aa993b | 2320 | dont_repeat (); /* Not for the faint of heart */ |
c906108c | 2321 | |
2567c7d9 PA |
2322 | if (gdbarch_has_global_solist (target_gdbarch)) |
2323 | /* Don't complain if all processes share the same symbol | |
2324 | space. */ | |
8a305172 PA |
2325 | ; |
2326 | else if (target_has_execution) | |
c906108c | 2327 | { |
9e2f0ad4 | 2328 | if (query (_("A program is being debugged already. Kill it? "))) |
c906108c SS |
2329 | target_kill (); |
2330 | else | |
8a3fe4f8 | 2331 | error (_("Not killed.")); |
c906108c SS |
2332 | } |
2333 | ||
fd79ecee DJ |
2334 | /* Clean up any leftovers from other runs. Some other things from |
2335 | this function should probably be moved into target_pre_inferior. */ | |
2336 | target_pre_inferior (from_tty); | |
2337 | ||
9908b566 VP |
2338 | if (non_stop && !target_supports_non_stop ()) |
2339 | error (_("Cannot attach to this target in non-stop mode")); | |
2340 | ||
9356cf8d PA |
2341 | if (args) |
2342 | { | |
2343 | async_exec = strip_bg_char (&args); | |
2344 | ||
2345 | /* If we get a request for running in the bg but the target | |
2346 | doesn't support it, error out. */ | |
2347 | if (async_exec && !target_can_async_p ()) | |
2348 | error (_("Asynchronous execution not supported on this target.")); | |
2349 | } | |
2350 | ||
2351 | /* If we don't get a request of running in the bg, then we need | |
2352 | to simulate synchronous (fg) execution. */ | |
2353 | if (!async_exec && target_can_async_p ()) | |
2354 | { | |
2355 | /* Simulate synchronous execution */ | |
2356 | async_disable_stdin (); | |
cb0362bb | 2357 | make_cleanup ((make_cleanup_ftype *)async_enable_stdin, NULL); |
9356cf8d PA |
2358 | } |
2359 | ||
c906108c SS |
2360 | target_attach (args, from_tty); |
2361 | ||
2362 | /* Set up the "saved terminal modes" of the inferior | |
2363 | based on what modes we are starting it with. */ | |
2364 | target_terminal_init (); | |
2365 | ||
c906108c SS |
2366 | /* Set up execution context to know that we should return from |
2367 | wait_for_inferior as soon as the target reports a stop. */ | |
2368 | init_wait_for_inferior (); | |
2369 | clear_proceed_status (); | |
c906108c | 2370 | |
74531fed PA |
2371 | if (non_stop) |
2372 | { | |
2373 | /* If we find that the current thread isn't stopped, explicitly | |
2374 | do so now, because we're going to install breakpoints and | |
2375 | poke at memory. */ | |
2376 | ||
2377 | if (async_exec) | |
2378 | /* The user requested an `attach&'; stop just one thread. */ | |
2379 | target_stop (inferior_ptid); | |
2380 | else | |
2381 | /* The user requested an `attach', so stop all threads of this | |
2382 | inferior. */ | |
2383 | target_stop (pid_to_ptid (ptid_get_pid (inferior_ptid))); | |
2384 | } | |
2385 | ||
dc177b7a PA |
2386 | /* Some system don't generate traps when attaching to inferior. |
2387 | E.g. Mach 3 or GNU hurd. */ | |
2388 | if (!target_attach_no_wait) | |
c5aa993b | 2389 | { |
d6b48e9c PA |
2390 | struct inferior *inferior = current_inferior (); |
2391 | ||
dc177b7a PA |
2392 | /* Careful here. See comments in inferior.h. Basically some |
2393 | OSes don't ignore SIGSTOPs on continue requests anymore. We | |
2394 | need a way for handle_inferior_event to reset the stop_signal | |
2395 | variable after an attach, and this is what | |
2396 | STOP_QUIETLY_NO_SIGSTOP is for. */ | |
d6b48e9c | 2397 | inferior->stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c5aa993b | 2398 | |
dc177b7a PA |
2399 | if (target_can_async_p ()) |
2400 | { | |
2401 | /* sync_execution mode. Wait for stop. */ | |
bfec99b2 PA |
2402 | struct attach_command_continuation_args *a; |
2403 | ||
2404 | a = xmalloc (sizeof (*a)); | |
2405 | a->args = xstrdup (args); | |
2406 | a->from_tty = from_tty; | |
2407 | a->async_exec = async_exec; | |
e0ba6746 PA |
2408 | add_inferior_continuation (attach_command_continuation, a, |
2409 | attach_command_continuation_free_args); | |
cb0362bb | 2410 | discard_cleanups (back_to); |
dc177b7a PA |
2411 | return; |
2412 | } | |
c906108c | 2413 | |
dc177b7a PA |
2414 | wait_for_inferior (0); |
2415 | } | |
6426a772 | 2416 | |
9356cf8d | 2417 | attach_command_post_wait (args, from_tty, async_exec); |
cb0362bb | 2418 | discard_cleanups (back_to); |
c906108c SS |
2419 | } |
2420 | ||
1941c569 PA |
2421 | /* We had just found out that the target was already attached to an |
2422 | inferior. PTID points at a thread of this new inferior, that is | |
2423 | the most likely to be stopped right now, but not necessarily so. | |
2424 | The new inferior is assumed to be already added to the inferior | |
2425 | list at this point. If LEAVE_RUNNING, then leave the threads of | |
2426 | this inferior running, except those we've explicitly seen reported | |
2427 | as stopped. */ | |
2428 | ||
2429 | void | |
2430 | notice_new_inferior (ptid_t ptid, int leave_running, int from_tty) | |
2431 | { | |
2432 | struct cleanup* old_chain; | |
2433 | int async_exec; | |
2434 | ||
2435 | old_chain = make_cleanup (null_cleanup, NULL); | |
2436 | ||
2437 | /* If in non-stop, leave threads as running as they were. If | |
2438 | they're stopped for some reason other than us telling it to, the | |
2439 | target reports a signal != TARGET_SIGNAL_0. We don't try to | |
2440 | resume threads with such a stop signal. */ | |
2441 | async_exec = non_stop; | |
2442 | ||
2443 | if (!ptid_equal (inferior_ptid, null_ptid)) | |
2444 | make_cleanup_restore_current_thread (); | |
2445 | ||
2446 | switch_to_thread (ptid); | |
2447 | ||
2448 | /* When we "notice" a new inferior we need to do all the things we | |
2449 | would normally do if we had just attached to it. */ | |
2450 | ||
2451 | if (is_executing (inferior_ptid)) | |
2452 | { | |
2453 | struct inferior *inferior = current_inferior (); | |
2454 | ||
2455 | /* We're going to install breakpoints, and poke at memory, | |
2456 | ensure that the inferior is stopped for a moment while we do | |
2457 | that. */ | |
2458 | target_stop (inferior_ptid); | |
2459 | ||
2460 | inferior->stop_soon = STOP_QUIETLY_REMOTE; | |
2461 | ||
2462 | /* Wait for stop before proceeding. */ | |
2463 | if (target_can_async_p ()) | |
2464 | { | |
2465 | struct attach_command_continuation_args *a; | |
2466 | ||
2467 | a = xmalloc (sizeof (*a)); | |
2468 | a->args = xstrdup (""); | |
2469 | a->from_tty = from_tty; | |
2470 | a->async_exec = async_exec; | |
2471 | add_inferior_continuation (attach_command_continuation, a, | |
2472 | attach_command_continuation_free_args); | |
2473 | ||
2474 | do_cleanups (old_chain); | |
2475 | return; | |
2476 | } | |
2477 | else | |
2478 | wait_for_inferior (0); | |
2479 | } | |
2480 | ||
2481 | async_exec = leave_running; | |
2482 | attach_command_post_wait ("" /* args */, from_tty, async_exec); | |
2483 | ||
2484 | do_cleanups (old_chain); | |
2485 | } | |
2486 | ||
c906108c SS |
2487 | /* |
2488 | * detach_command -- | |
2489 | * takes a program previously attached to and detaches it. | |
2490 | * The program resumes execution and will no longer stop | |
2491 | * on signals, etc. We better not have left any breakpoints | |
2492 | * in the program or it'll die when it hits one. For this | |
2493 | * to work, it may be necessary for the process to have been | |
2494 | * previously attached. It *might* work if the program was | |
2495 | * started via the normal ptrace (PTRACE_TRACEME). | |
2496 | */ | |
2497 | ||
6418d433 | 2498 | void |
fba45db2 | 2499 | detach_command (char *args, int from_tty) |
c906108c | 2500 | { |
1f5d0fc9 | 2501 | dont_repeat (); /* Not for the faint of heart. */ |
d729566a PA |
2502 | |
2503 | if (ptid_equal (inferior_ptid, null_ptid)) | |
2504 | error (_("The program is not being run.")); | |
2505 | ||
c906108c | 2506 | target_detach (args, from_tty); |
50c71eaf PA |
2507 | |
2508 | /* If the solist is global across inferiors, don't clear it when we | |
2509 | detach from a single inferior. */ | |
2510 | if (!gdbarch_has_global_solist (target_gdbarch)) | |
2511 | no_shared_libraries (NULL, from_tty); | |
8a305172 | 2512 | |
c35b1492 PA |
2513 | /* If we still have inferiors to debug, then don't mess with their |
2514 | threads. */ | |
2515 | if (!have_inferiors ()) | |
8a305172 PA |
2516 | init_thread_list (); |
2517 | ||
9a4105ab AC |
2518 | if (deprecated_detach_hook) |
2519 | deprecated_detach_hook (); | |
c906108c SS |
2520 | } |
2521 | ||
6ad8ae5c DJ |
2522 | /* Disconnect from the current target without resuming it (leaving it |
2523 | waiting for a debugger). | |
2524 | ||
2525 | We'd better not have left any breakpoints in the program or the | |
2526 | next debugger will get confused. Currently only supported for some | |
2527 | remote targets, since the normal attach mechanisms don't work on | |
2528 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
2529 | ||
2530 | static void | |
2531 | disconnect_command (char *args, int from_tty) | |
2532 | { | |
2533 | dont_repeat (); /* Not for the faint of heart */ | |
2534 | target_disconnect (args, from_tty); | |
e85a822c | 2535 | no_shared_libraries (NULL, from_tty); |
a0ef4274 | 2536 | init_thread_list (); |
9a4105ab AC |
2537 | if (deprecated_detach_hook) |
2538 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
2539 | } |
2540 | ||
77ebaa5a VP |
2541 | void |
2542 | interrupt_target_1 (int all_threads) | |
2543 | { | |
2544 | ptid_t ptid; | |
2545 | if (all_threads) | |
2546 | ptid = minus_one_ptid; | |
2547 | else | |
2548 | ptid = inferior_ptid; | |
2549 | target_stop (ptid); | |
252fbfc8 PA |
2550 | |
2551 | /* Tag the thread as having been explicitly requested to stop, so | |
2552 | other parts of gdb know not to resume this thread automatically, | |
2553 | if it was stopped due to an internal event. Limit this to | |
2554 | non-stop mode, as when debugging a multi-threaded application in | |
2555 | all-stop mode, we will only get one stop event --- it's undefined | |
2556 | which thread will report the event. */ | |
2557 | if (non_stop) | |
2558 | set_stop_requested (ptid, 1); | |
77ebaa5a VP |
2559 | } |
2560 | ||
43ff13b4 | 2561 | /* Stop the execution of the target while running in async mode, in |
8cae4b3f PA |
2562 | the backgound. In all-stop, stop the whole process. In non-stop |
2563 | mode, stop the current thread only by default, or stop all threads | |
2564 | if the `-a' switch is used. */ | |
2565 | ||
2566 | /* interrupt [-a] */ | |
8b93c638 | 2567 | void |
fba45db2 | 2568 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 2569 | { |
362646f5 | 2570 | if (target_can_async_p ()) |
43ff13b4 | 2571 | { |
8cae4b3f PA |
2572 | int all_threads = 0; |
2573 | ||
c5aa993b | 2574 | dont_repeat (); /* Not for the faint of heart */ |
94cc34af | 2575 | |
8cae4b3f PA |
2576 | if (args != NULL |
2577 | && strncmp (args, "-a", sizeof ("-a") - 1) == 0) | |
2578 | all_threads = 1; | |
2579 | ||
2580 | if (!non_stop && all_threads) | |
2581 | error (_("-a is meaningless in all-stop mode.")); | |
2582 | ||
77ebaa5a | 2583 | interrupt_target_1 (all_threads); |
43ff13b4 JM |
2584 | } |
2585 | } | |
2586 | ||
c906108c | 2587 | static void |
d80b854b | 2588 | print_float_info (struct ui_file *file, |
23e3a7ac | 2589 | struct frame_info *frame, const char *args) |
c906108c | 2590 | { |
d80b854b UW |
2591 | struct gdbarch *gdbarch = get_frame_arch (frame); |
2592 | ||
23e3a7ac AC |
2593 | if (gdbarch_print_float_info_p (gdbarch)) |
2594 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
2595 | else | |
2596 | { | |
23e3a7ac AC |
2597 | int regnum; |
2598 | int printed_something = 0; | |
ab4327e0 | 2599 | |
f57d151a | 2600 | for (regnum = 0; |
a4bd449d UW |
2601 | regnum < gdbarch_num_regs (gdbarch) |
2602 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2603 | regnum++) |
23e3a7ac | 2604 | { |
f9418c0f | 2605 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
2606 | { |
2607 | printed_something = 1; | |
23e3a7ac | 2608 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
2609 | } |
2610 | } | |
2611 | if (!printed_something) | |
2612 | fprintf_filtered (file, "\ | |
2613 | No floating-point info available for this processor.\n"); | |
23e3a7ac AC |
2614 | } |
2615 | } | |
2616 | ||
2617 | static void | |
2618 | float_info (char *args, int from_tty) | |
2619 | { | |
206415a3 DJ |
2620 | if (!target_has_registers) |
2621 | error (_("The program has no registers now.")); | |
2622 | ||
d80b854b | 2623 | print_float_info (gdb_stdout, get_selected_frame (NULL), args); |
c906108c SS |
2624 | } |
2625 | \f | |
c906108c | 2626 | static void |
fba45db2 | 2627 | unset_command (char *args, int from_tty) |
c906108c | 2628 | { |
a3f17187 AC |
2629 | printf_filtered (_("\ |
2630 | \"unset\" must be followed by the name of an unset subcommand.\n")); | |
c906108c SS |
2631 | help_list (unsetlist, "unset ", -1, gdb_stdout); |
2632 | } | |
2633 | ||
2634 | void | |
fba45db2 | 2635 | _initialize_infcmd (void) |
c906108c | 2636 | { |
3cb3b8df BR |
2637 | struct cmd_list_element *c = NULL; |
2638 | ||
2639 | /* add the filename of the terminal connected to inferior I/O */ | |
2640 | add_setshow_filename_cmd ("inferior-tty", class_run, | |
2641 | &inferior_io_terminal, _("\ | |
2642 | Set terminal for future runs of program being debugged."), _("\ | |
2643 | Show terminal for future runs of program being debugged."), _("\ | |
2644 | Usage: set inferior-tty /dev/pts/1"), NULL, NULL, &setlist, &showlist); | |
2645 | add_com_alias ("tty", "set inferior-tty", class_alias, 0); | |
c906108c | 2646 | |
b4b4ac0b AC |
2647 | add_setshow_optional_filename_cmd ("args", class_run, |
2648 | &inferior_args, _("\ | |
2649 | Set argument list to give program being debugged when it is started."), _("\ | |
2650 | Show argument list to give program being debugged when it is started."), _("\ | |
2651 | Follow this command with any number of args, to be passed to the program."), | |
2652 | notice_args_set, | |
2653 | notice_args_read, | |
2654 | &setlist, &showlist); | |
c906108c | 2655 | |
1a966eab AC |
2656 | c = add_cmd ("environment", no_class, environment_info, _("\ |
2657 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
2658 | With an argument VAR, prints the value of environment variable VAR to\n\ |
2659 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 2660 | environment to be given to the program."), &showlist); |
5ba2abeb | 2661 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2662 | |
2663 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 2664 | _("Complement to certain \"set\" commands."), |
c906108c | 2665 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2666 | |
1a966eab AC |
2667 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
2668 | Cancel environment variable VAR for the program.\n\ | |
2669 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 2670 | &unsetlist); |
5ba2abeb | 2671 | set_cmd_completer (c, noop_completer); |
c906108c | 2672 | |
1a966eab AC |
2673 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
2674 | Set environment variable value to give the program.\n\ | |
c906108c SS |
2675 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
2676 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 2677 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 2678 | &setlist); |
5ba2abeb | 2679 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2680 | |
1bedd215 AC |
2681 | c = add_com ("path", class_files, path_command, _("\ |
2682 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2683 | $cwd in the path means the current working directory.\n\ |
2684 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2685 | directories, separated by colons. These directories are searched to find\n\ | |
1bedd215 | 2686 | fully linked executable files and separately compiled object files as needed.")); |
5ba2abeb | 2687 | set_cmd_completer (c, filename_completer); |
c906108c | 2688 | |
1a966eab AC |
2689 | c = add_cmd ("paths", no_class, path_info, _("\ |
2690 | Current search path for finding object files.\n\ | |
c906108c SS |
2691 | $cwd in the path means the current working directory.\n\ |
2692 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2693 | directories, separated by colons. These directories are searched to find\n\ | |
1a966eab | 2694 | fully linked executable files and separately compiled object files as needed."), |
c906108c | 2695 | &showlist); |
5ba2abeb | 2696 | set_cmd_completer (c, noop_completer); |
c906108c | 2697 | |
5fd62852 PA |
2698 | add_com ("kill", class_run, kill_command, |
2699 | _("Kill execution of program being debugged.")); | |
2700 | ||
1bedd215 AC |
2701 | add_com ("attach", class_run, attach_command, _("\ |
2702 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2703 | This command attaches to another target, of the same type as your last\n\ |
2704 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2705 | The command may take as argument a process id or a device file.\n\ | |
2706 | For a process id, you must have permission to send the process a signal,\n\ | |
2707 | and it must have the same effective uid as the debugger.\n\ | |
2708 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2709 | program running in the process, looking first in the current working\n\ | |
2710 | directory, or (if not found there) using the source file search path\n\ | |
2711 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 2712 | to specify the program, and to load its symbol table.")); |
c906108c | 2713 | |
f73adfeb | 2714 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 2715 | Detach a process or file previously attached.\n\ |
c906108c | 2716 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
2717 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
2718 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 2719 | |
1bedd215 AC |
2720 | add_com ("disconnect", class_run, disconnect_command, _("\ |
2721 | Disconnect from a target.\n\ | |
6ad8ae5c | 2722 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 2723 | all targets.")); |
6ad8ae5c | 2724 | |
1bedd215 AC |
2725 | add_com ("signal", class_run, signal_command, _("\ |
2726 | Continue program giving it signal specified by the argument.\n\ | |
2727 | An argument of \"0\" means continue program without giving it a signal.")); | |
c906108c | 2728 | |
1bedd215 AC |
2729 | add_com ("stepi", class_run, stepi_command, _("\ |
2730 | Step one instruction exactly.\n\ | |
2731 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2732 | add_com_alias ("si", "stepi", class_alias, 0); |
2733 | ||
1bedd215 AC |
2734 | add_com ("nexti", class_run, nexti_command, _("\ |
2735 | Step one instruction, but proceed through subroutine calls.\n\ | |
2736 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2737 | add_com_alias ("ni", "nexti", class_alias, 0); |
2738 | ||
1bedd215 AC |
2739 | add_com ("finish", class_run, finish_command, _("\ |
2740 | Execute until selected stack frame returns.\n\ | |
2741 | Upon return, the value returned is printed and put in the value history.")); | |
0e479716 | 2742 | add_com_alias ("fin", "finish", class_run, 1); |
c906108c | 2743 | |
1bedd215 AC |
2744 | add_com ("next", class_run, next_command, _("\ |
2745 | Step program, proceeding through subroutine calls.\n\ | |
c906108c SS |
2746 | Like the \"step\" command as long as subroutine calls do not happen;\n\ |
2747 | when they do, the call is treated as one instruction.\n\ | |
1bedd215 | 2748 | Argument N means do this N times (or till program stops for another reason).")); |
c906108c SS |
2749 | add_com_alias ("n", "next", class_run, 1); |
2750 | if (xdb_commands) | |
c5aa993b | 2751 | add_com_alias ("S", "next", class_run, 1); |
c906108c | 2752 | |
1bedd215 AC |
2753 | add_com ("step", class_run, step_command, _("\ |
2754 | Step program until it reaches a different source line.\n\ | |
2755 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2756 | add_com_alias ("s", "step", class_run, 1); |
2757 | ||
1bedd215 AC |
2758 | c = add_com ("until", class_run, until_command, _("\ |
2759 | Execute until the program reaches a source line greater than the current\n\ | |
2760 | or a specified location (same args as break command) within the current frame.")); | |
5ba2abeb | 2761 | set_cmd_completer (c, location_completer); |
c906108c | 2762 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2763 | |
1bedd215 AC |
2764 | c = add_com ("advance", class_run, advance_command, _("\ |
2765 | Continue the program up to the given location (same form as args for break command).\n\ | |
2766 | Execution will also stop upon exit from the current stack frame.")); | |
ae66c1fc EZ |
2767 | set_cmd_completer (c, location_completer); |
2768 | ||
1bedd215 AC |
2769 | c = add_com ("jump", class_run, jump_command, _("\ |
2770 | Continue program being debugged at specified line or address.\n\ | |
c906108c | 2771 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 2772 | for an address to start at.")); |
5ba2abeb | 2773 | set_cmd_completer (c, location_completer); |
c906108c | 2774 | |
b83266a0 | 2775 | if (xdb_commands) |
c94fdfd0 | 2776 | { |
1bedd215 AC |
2777 | c = add_com ("go", class_run, go_command, _("\ |
2778 | Usage: go <location>\n\ | |
c906108c SS |
2779 | Continue program being debugged, stopping at specified line or \n\ |
2780 | address.\n\ | |
2781 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2782 | expression for an address to start at.\n\ | |
1bedd215 | 2783 | This command is a combination of tbreak and jump.")); |
5ba2abeb | 2784 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2785 | } |
b83266a0 | 2786 | |
c906108c | 2787 | if (xdb_commands) |
c5aa993b | 2788 | add_com_alias ("g", "go", class_run, 1); |
c906108c | 2789 | |
8cae4b3f | 2790 | c = add_com ("continue", class_run, continue_command, _("\ |
1bedd215 | 2791 | Continue program being debugged, after signal or breakpoint.\n\ |
c906108c SS |
2792 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
2793 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
8cae4b3f PA |
2794 | the breakpoint won't break until the Nth time it is reached).\n\ |
2795 | \n\ | |
2796 | If non-stop mode is enabled, continue only the current thread,\n\ | |
2797 | otherwise all the threads in the program are continued. To \n\ | |
2798 | continue all stopped threads in non-stop mode, use the -a option.\n\ | |
2799 | Specifying -a and an ignore count simultaneously is an error.")); | |
c906108c SS |
2800 | add_com_alias ("c", "cont", class_run, 1); |
2801 | add_com_alias ("fg", "cont", class_run, 1); | |
2802 | ||
1bedd215 AC |
2803 | c = add_com ("run", class_run, run_command, _("\ |
2804 | Start debugged program. You may specify arguments to give it.\n\ | |
c906108c SS |
2805 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ |
2806 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2807 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2808 | To cancel previous arguments and run with no arguments,\n\ | |
1bedd215 | 2809 | use \"set args\" without arguments.")); |
5ba2abeb | 2810 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2811 | add_com_alias ("r", "run", class_run, 1); |
2812 | if (xdb_commands) | |
2813 | add_com ("R", class_run, run_no_args_command, | |
1bedd215 | 2814 | _("Start debugged program with no arguments.")); |
c906108c | 2815 | |
1bedd215 | 2816 | c = add_com ("start", class_run, start_command, _("\ |
a4d5f2e0 JB |
2817 | Run the debugged program until the beginning of the main procedure.\n\ |
2818 | You may specify arguments to give to your program, just as with the\n\ | |
1bedd215 | 2819 | \"run\" command.")); |
a4d5f2e0 JB |
2820 | set_cmd_completer (c, filename_completer); |
2821 | ||
700b53b1 | 2822 | c = add_com ("interrupt", class_run, interrupt_target_command, |
8cae4b3f PA |
2823 | _("Interrupt the execution of the debugged program.\n\ |
2824 | If non-stop mode is enabled, interrupt only the current thread,\n\ | |
2825 | otherwise all the threads in the program are stopped. To \n\ | |
2826 | interrupt all running threads in non-stop mode, use the -a option.")); | |
43ff13b4 | 2827 | |
1bedd215 AC |
2828 | add_info ("registers", nofp_registers_info, _("\ |
2829 | List of integer registers and their contents, for selected stack frame.\n\ | |
2830 | Register name as argument means describe only that register.")); | |
7194c49b | 2831 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2832 | |
2833 | if (xdb_commands) | |
1bedd215 AC |
2834 | add_com ("lr", class_info, nofp_registers_info, _("\ |
2835 | List of integer registers and their contents, for selected stack frame.\n\ | |
2836 | Register name as argument means describe only that register.")); | |
2837 | add_info ("all-registers", all_registers_info, _("\ | |
2838 | List of all registers and their contents, for selected stack frame.\n\ | |
2839 | Register name as argument means describe only that register.")); | |
c906108c SS |
2840 | |
2841 | add_info ("program", program_info, | |
1bedd215 | 2842 | _("Execution status of the program.")); |
c906108c SS |
2843 | |
2844 | add_info ("float", float_info, | |
1bedd215 | 2845 | _("Print the status of the floating point unit\n")); |
c906108c | 2846 | |
e76f1f2e | 2847 | add_info ("vector", vector_info, |
1bedd215 | 2848 | _("Print the status of the vector unit\n")); |
e76f1f2e | 2849 | |
c906108c SS |
2850 | inferior_environ = make_environ (); |
2851 | init_environ (inferior_environ); | |
2852 | } |