Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
4 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 | |
c906108c SS |
5 | Free Software Foundation, Inc. |
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" |
72cec141 | 50 | |
a58dd373 | 51 | /* Functions exported for general use, in inferior.h: */ |
c906108c | 52 | |
a14ed312 | 53 | void all_registers_info (char *, int); |
c906108c | 54 | |
a14ed312 | 55 | void registers_info (char *, int); |
c906108c | 56 | |
a58dd373 EZ |
57 | void nexti_command (char *, int); |
58 | ||
59 | void stepi_command (char *, int); | |
c906108c | 60 | |
a14ed312 | 61 | void continue_command (char *, int); |
c906108c | 62 | |
a58dd373 EZ |
63 | void interrupt_target_command (char *args, int from_tty); |
64 | ||
65 | /* Local functions: */ | |
66 | ||
67 | static void nofp_registers_info (char *, int); | |
68 | ||
11cf8741 JM |
69 | static void print_return_value (int struct_return, struct type *value_type); |
70 | ||
a14ed312 | 71 | static void finish_command_continuation (struct continuation_arg *); |
43ff13b4 | 72 | |
a14ed312 | 73 | static void until_next_command (int); |
c906108c | 74 | |
a14ed312 | 75 | static void until_command (char *, int); |
c906108c | 76 | |
a14ed312 | 77 | static void path_info (char *, int); |
c906108c | 78 | |
a14ed312 | 79 | static void path_command (char *, int); |
c906108c | 80 | |
a14ed312 | 81 | static void unset_command (char *, int); |
c906108c | 82 | |
a14ed312 | 83 | static void float_info (char *, int); |
c906108c | 84 | |
a14ed312 | 85 | static void detach_command (char *, int); |
c906108c | 86 | |
6ad8ae5c DJ |
87 | static void disconnect_command (char *, int); |
88 | ||
a14ed312 | 89 | static void unset_environment_command (char *, int); |
c906108c | 90 | |
a14ed312 | 91 | static void set_environment_command (char *, int); |
c906108c | 92 | |
a14ed312 | 93 | static void environment_info (char *, int); |
c906108c | 94 | |
a14ed312 | 95 | static void program_info (char *, int); |
c906108c | 96 | |
a14ed312 | 97 | static void finish_command (char *, int); |
c906108c | 98 | |
a14ed312 | 99 | static void signal_command (char *, int); |
c906108c | 100 | |
a14ed312 | 101 | static void jump_command (char *, int); |
c906108c | 102 | |
a14ed312 | 103 | static void step_1 (int, int, char *); |
c2d11a7d JM |
104 | static void step_once (int skip_subroutines, int single_inst, int count); |
105 | static void step_1_continuation (struct continuation_arg *arg); | |
c906108c | 106 | |
a14ed312 | 107 | static void next_command (char *, int); |
c906108c | 108 | |
a14ed312 | 109 | static void step_command (char *, int); |
c906108c | 110 | |
a14ed312 | 111 | static void run_command (char *, int); |
c906108c | 112 | |
a14ed312 | 113 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 114 | |
a14ed312 | 115 | static void go_command (char *line_no, int from_tty); |
392a587b | 116 | |
a14ed312 | 117 | static int strip_bg_char (char **); |
43ff13b4 | 118 | |
a14ed312 | 119 | void _initialize_infcmd (void); |
c906108c SS |
120 | |
121 | #define GO_USAGE "Usage: go <location>\n" | |
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 SS |
147 | |
148 | /* Last signal that the inferior received (why it stopped). */ | |
149 | ||
150 | enum target_signal stop_signal; | |
151 | ||
152 | /* Address at which inferior stopped. */ | |
153 | ||
154 | CORE_ADDR stop_pc; | |
155 | ||
156 | /* Chain containing status of breakpoint(s) that we have stopped at. */ | |
157 | ||
158 | bpstat stop_bpstat; | |
159 | ||
160 | /* Flag indicating that a command has proceeded the inferior past the | |
161 | current breakpoint. */ | |
162 | ||
163 | int breakpoint_proceeded; | |
164 | ||
165 | /* Nonzero if stopped due to a step command. */ | |
166 | ||
167 | int stop_step; | |
168 | ||
169 | /* Nonzero if stopped due to completion of a stack dummy routine. */ | |
170 | ||
171 | int stop_stack_dummy; | |
172 | ||
173 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
174 | process. */ | |
175 | ||
176 | int stopped_by_random_signal; | |
177 | ||
178 | /* Range to single step within. | |
179 | If this is nonzero, respond to a single-step signal | |
180 | by continuing to step if the pc is in this range. */ | |
181 | ||
c5aa993b JM |
182 | CORE_ADDR step_range_start; /* Inclusive */ |
183 | CORE_ADDR step_range_end; /* Exclusive */ | |
c906108c SS |
184 | |
185 | /* Stack frame address as of when stepping command was issued. | |
186 | This is how we know when we step into a subroutine call, | |
187 | and how to set the frame for the breakpoint used to step out. */ | |
188 | ||
aa0cd9c1 | 189 | struct frame_id step_frame_id; |
c906108c | 190 | |
5fbbeb29 | 191 | enum step_over_calls_kind step_over_calls; |
c906108c SS |
192 | |
193 | /* If stepping, nonzero means step count is > 1 | |
194 | so don't print frame next time inferior stops | |
195 | if it stops due to stepping. */ | |
196 | ||
197 | int step_multi; | |
198 | ||
199 | /* Environment to use for running inferior, | |
200 | in format described in environ.h. */ | |
201 | ||
1bf1958d | 202 | struct gdb_environ *inferior_environ; |
c906108c | 203 | \f |
07091751 FN |
204 | /* Accessor routines. */ |
205 | ||
3cb3b8df BR |
206 | void |
207 | set_inferior_io_terminal (const char *terminal_name) | |
208 | { | |
209 | if (inferior_io_terminal) | |
210 | xfree (inferior_io_terminal); | |
211 | ||
212 | if (!terminal_name) | |
213 | inferior_io_terminal = NULL; | |
214 | else | |
215 | inferior_io_terminal = savestring (terminal_name, strlen (terminal_name)); | |
216 | } | |
217 | ||
218 | const char * | |
219 | get_inferior_io_terminal (void) | |
220 | { | |
221 | return inferior_io_terminal; | |
222 | } | |
223 | ||
07091751 FN |
224 | char * |
225 | get_inferior_args (void) | |
226 | { | |
552c04a7 TT |
227 | if (inferior_argc != 0) |
228 | { | |
229 | char *n, *old; | |
230 | ||
231 | n = gdbarch_construct_inferior_arguments (current_gdbarch, | |
232 | inferior_argc, inferior_argv); | |
233 | old = set_inferior_args (n); | |
234 | xfree (old); | |
235 | } | |
236 | ||
237 | if (inferior_args == NULL) | |
238 | inferior_args = xstrdup (""); | |
239 | ||
07091751 FN |
240 | return inferior_args; |
241 | } | |
242 | ||
243 | char * | |
244 | set_inferior_args (char *newargs) | |
245 | { | |
246 | char *saved_args = inferior_args; | |
247 | ||
248 | inferior_args = newargs; | |
552c04a7 TT |
249 | inferior_argc = 0; |
250 | inferior_argv = 0; | |
07091751 FN |
251 | |
252 | return saved_args; | |
253 | } | |
c5aa993b | 254 | |
552c04a7 TT |
255 | void |
256 | set_inferior_args_vector (int argc, char **argv) | |
257 | { | |
258 | inferior_argc = argc; | |
259 | inferior_argv = argv; | |
260 | } | |
261 | ||
262 | /* Notice when `set args' is run. */ | |
263 | static void | |
264 | notice_args_set (char *args, int from_tty, struct cmd_list_element *c) | |
265 | { | |
266 | inferior_argc = 0; | |
267 | inferior_argv = 0; | |
268 | } | |
269 | ||
270 | /* Notice when `show args' is run. */ | |
271 | static void | |
b4b4ac0b AC |
272 | notice_args_read (struct ui_file *file, int from_tty, |
273 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 274 | { |
b4b4ac0b | 275 | deprecated_show_value_hack (file, from_tty, c, value); |
552c04a7 TT |
276 | /* Might compute the value. */ |
277 | get_inferior_args (); | |
278 | } | |
279 | ||
c2a727fa TT |
280 | \f |
281 | /* Compute command-line string given argument vector. This does the | |
282 | same shell processing as fork_inferior. */ | |
c2a727fa TT |
283 | char * |
284 | construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv) | |
285 | { | |
286 | char *result; | |
287 | ||
288 | if (STARTUP_WITH_SHELL) | |
289 | { | |
290 | /* This holds all the characters considered special to the | |
291 | typical Unix shells. We include `^' because the SunOS | |
292 | /bin/sh treats it as a synonym for `|'. */ | |
293 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
294 | int i; | |
295 | int length = 0; | |
296 | char *out, *cp; | |
297 | ||
298 | /* We over-compute the size. It shouldn't matter. */ | |
299 | for (i = 0; i < argc; ++i) | |
03c6228e | 300 | length += 2 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
301 | |
302 | result = (char *) xmalloc (length); | |
303 | out = result; | |
304 | ||
305 | for (i = 0; i < argc; ++i) | |
306 | { | |
307 | if (i > 0) | |
308 | *out++ = ' '; | |
309 | ||
03c6228e AS |
310 | /* Need to handle empty arguments specially. */ |
311 | if (argv[i][0] == '\0') | |
c2a727fa | 312 | { |
03c6228e AS |
313 | *out++ = '\''; |
314 | *out++ = '\''; | |
315 | } | |
316 | else | |
317 | { | |
318 | for (cp = argv[i]; *cp; ++cp) | |
319 | { | |
320 | if (strchr (special, *cp) != NULL) | |
321 | *out++ = '\\'; | |
322 | *out++ = *cp; | |
323 | } | |
c2a727fa TT |
324 | } |
325 | } | |
326 | *out = '\0'; | |
327 | } | |
328 | else | |
329 | { | |
330 | /* In this case we can't handle arguments that contain spaces, | |
331 | tabs, or newlines -- see breakup_args(). */ | |
332 | int i; | |
333 | int length = 0; | |
334 | ||
335 | for (i = 0; i < argc; ++i) | |
336 | { | |
337 | char *cp = strchr (argv[i], ' '); | |
338 | if (cp == NULL) | |
339 | cp = strchr (argv[i], '\t'); | |
340 | if (cp == NULL) | |
341 | cp = strchr (argv[i], '\n'); | |
342 | if (cp != NULL) | |
8a3fe4f8 | 343 | error (_("can't handle command-line argument containing whitespace")); |
c2a727fa TT |
344 | length += strlen (argv[i]) + 1; |
345 | } | |
346 | ||
347 | result = (char *) xmalloc (length); | |
348 | result[0] = '\0'; | |
349 | for (i = 0; i < argc; ++i) | |
350 | { | |
351 | if (i > 0) | |
352 | strcat (result, " "); | |
353 | strcat (result, argv[i]); | |
354 | } | |
355 | } | |
356 | ||
357 | return result; | |
358 | } | |
552c04a7 TT |
359 | \f |
360 | ||
43ff13b4 JM |
361 | /* This function detects whether or not a '&' character (indicating |
362 | background execution) has been added as *the last* of the arguments ARGS | |
363 | of a command. If it has, it removes it and returns 1. Otherwise it | |
364 | does nothing and returns 0. */ | |
c5aa993b | 365 | static int |
fba45db2 | 366 | strip_bg_char (char **args) |
43ff13b4 JM |
367 | { |
368 | char *p = NULL; | |
c5aa993b | 369 | |
9846de1b | 370 | p = strchr (*args, '&'); |
c5aa993b | 371 | |
9846de1b | 372 | if (p) |
43ff13b4 JM |
373 | { |
374 | if (p == (*args + strlen (*args) - 1)) | |
375 | { | |
c5aa993b | 376 | if (strlen (*args) > 1) |
43ff13b4 JM |
377 | { |
378 | do | |
379 | p--; | |
380 | while (*p == ' ' || *p == '\t'); | |
381 | *(p + 1) = '\0'; | |
382 | } | |
383 | else | |
384 | *args = 0; | |
385 | return 1; | |
386 | } | |
387 | } | |
388 | return 0; | |
389 | } | |
390 | ||
c906108c | 391 | void |
fba45db2 | 392 | tty_command (char *file, int from_tty) |
c906108c SS |
393 | { |
394 | if (file == 0) | |
e2e0b3e5 | 395 | error_no_arg (_("terminal name for running target process")); |
c906108c | 396 | |
3cb3b8df | 397 | set_inferior_io_terminal (file); |
c906108c SS |
398 | } |
399 | ||
281b533b DJ |
400 | /* Common actions to take after creating any sort of inferior, by any |
401 | means (running, attaching, connecting, et cetera). The target | |
402 | should be stopped. */ | |
403 | ||
404 | void | |
405 | post_create_inferior (struct target_ops *target, int from_tty) | |
406 | { | |
b79599ff DP |
407 | /* Be sure we own the terminal in case write operations are performed. */ |
408 | target_terminal_ours (); | |
409 | ||
424163ea DJ |
410 | /* If the target hasn't taken care of this already, do it now. |
411 | Targets which need to access registers during to_open, | |
412 | to_create_inferior, or to_attach should do it earlier; but many | |
413 | don't need to. */ | |
414 | target_find_description (); | |
415 | ||
9353355f DJ |
416 | if (exec_bfd) |
417 | { | |
418 | /* Sometimes the platform-specific hook loads initial shared | |
419 | libraries, and sometimes it doesn't. Try to do so first, so | |
de1b3c3d PA |
420 | that we can add them with the correct value for FROM_TTY. |
421 | If we made all the inferior hook methods consistent, | |
422 | this call could be removed. */ | |
9353355f DJ |
423 | #ifdef SOLIB_ADD |
424 | SOLIB_ADD (NULL, from_tty, target, auto_solib_add); | |
425 | #else | |
426 | solib_add (NULL, from_tty, target, auto_solib_add); | |
427 | #endif | |
428 | ||
429 | /* Create the hooks to handle shared library load and unload | |
430 | events. */ | |
431 | #ifdef SOLIB_CREATE_INFERIOR_HOOK | |
37706b70 | 432 | SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid)); |
9353355f DJ |
433 | #else |
434 | solib_create_inferior_hook (); | |
435 | #endif | |
9353355f DJ |
436 | } |
437 | ||
281b533b DJ |
438 | observer_notify_inferior_created (target, from_tty); |
439 | } | |
440 | ||
a4d5f2e0 JB |
441 | /* Kill the inferior if already running. This function is designed |
442 | to be called when we are about to start the execution of the program | |
443 | from the beginning. Ask the user to confirm that he wants to restart | |
444 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 445 | |
a4d5f2e0 JB |
446 | void |
447 | kill_if_already_running (int from_tty) | |
448 | { | |
39f77062 | 449 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 450 | { |
adf40b2e JM |
451 | if (from_tty |
452 | && !query ("The program being debugged has been started already.\n\ | |
c906108c | 453 | Start it from the beginning? ")) |
8a3fe4f8 | 454 | error (_("Program not restarted.")); |
c906108c SS |
455 | target_kill (); |
456 | #if defined(SOLIB_RESTART) | |
457 | SOLIB_RESTART (); | |
458 | #endif | |
459 | init_wait_for_inferior (); | |
460 | } | |
a4d5f2e0 JB |
461 | } |
462 | ||
f67a969f JB |
463 | /* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert |
464 | a temporary breakpoint at the begining of the main program before | |
465 | running the program. */ | |
466 | ||
a4d5f2e0 | 467 | static void |
f67a969f | 468 | run_command_1 (char *args, int from_tty, int tbreak_at_main) |
a4d5f2e0 JB |
469 | { |
470 | char *exec_file; | |
c906108c | 471 | |
a4d5f2e0 JB |
472 | dont_repeat (); |
473 | ||
474 | kill_if_already_running (from_tty); | |
c906108c SS |
475 | clear_breakpoint_hit_counts (); |
476 | ||
fd79ecee DJ |
477 | /* Clean up any leftovers from other runs. Some other things from |
478 | this function should probably be moved into target_pre_inferior. */ | |
479 | target_pre_inferior (from_tty); | |
480 | ||
c906108c SS |
481 | /* Purge old solib objfiles. */ |
482 | objfile_purge_solibs (); | |
483 | ||
484 | do_run_cleanups (NULL); | |
485 | ||
39ad761d JB |
486 | /* The comment here used to read, "The exec file is re-read every |
487 | time we do a generic_mourn_inferior, so we just have to worry | |
488 | about the symbol file." The `generic_mourn_inferior' function | |
489 | gets called whenever the program exits. However, suppose the | |
490 | program exits, and *then* the executable file changes? We need | |
491 | to check again here. Since reopen_exec_file doesn't do anything | |
492 | if the timestamp hasn't changed, I don't see the harm. */ | |
493 | reopen_exec_file (); | |
c906108c SS |
494 | reread_symbols (); |
495 | ||
f67a969f JB |
496 | /* Insert the temporary breakpoint if a location was specified. */ |
497 | if (tbreak_at_main) | |
498 | tbreak_command (main_name (), 0); | |
499 | ||
39ad761d JB |
500 | exec_file = (char *) get_exec_file (0); |
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 | |
de1b3c3d PA |
559 | /* Pass zero for FROM_TTY, because at this point the "run" command |
560 | has done its thing; now we are setting up the running program. */ | |
561 | post_create_inferior (¤t_target, 0); | |
281b533b DJ |
562 | |
563 | /* Start the target running. */ | |
564 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0); | |
c906108c SS |
565 | } |
566 | ||
567 | ||
f67a969f JB |
568 | static void |
569 | run_command (char *args, int from_tty) | |
570 | { | |
571 | run_command_1 (args, from_tty, 0); | |
572 | } | |
573 | ||
c906108c | 574 | static void |
fba45db2 | 575 | run_no_args_command (char *args, int from_tty) |
c906108c | 576 | { |
07091751 FN |
577 | char *old_args = set_inferior_args (xstrdup ("")); |
578 | xfree (old_args); | |
c906108c | 579 | } |
c906108c | 580 | \f |
c5aa993b | 581 | |
a4d5f2e0 JB |
582 | /* Start the execution of the program up until the beginning of the main |
583 | program. */ | |
584 | ||
585 | static void | |
586 | start_command (char *args, int from_tty) | |
587 | { | |
588 | /* Some languages such as Ada need to search inside the program | |
589 | minimal symbols for the location where to put the temporary | |
590 | breakpoint before starting. */ | |
591 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 592 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 593 | |
f67a969f JB |
594 | /* Run the program until reaching the main procedure... */ |
595 | run_command_1 (args, from_tty, 1); | |
a4d5f2e0 JB |
596 | } |
597 | ||
c906108c | 598 | void |
fba45db2 | 599 | continue_command (char *proc_count_exp, int from_tty) |
c906108c | 600 | { |
c5aa993b | 601 | int async_exec = 0; |
c906108c SS |
602 | ERROR_NO_INFERIOR; |
603 | ||
43ff13b4 JM |
604 | /* Find out whether we must run in the background. */ |
605 | if (proc_count_exp != NULL) | |
606 | async_exec = strip_bg_char (&proc_count_exp); | |
607 | ||
608 | /* If we must run in the background, but the target can't do it, | |
609 | error out. */ | |
362646f5 | 610 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 611 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
612 | |
613 | /* If we are not asked to run in the bg, then prepare to run in the | |
614 | foreground, synchronously. */ | |
362646f5 | 615 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 616 | { |
43ff13b4 | 617 | /* Simulate synchronous execution */ |
6426a772 | 618 | async_disable_stdin (); |
43ff13b4 | 619 | } |
c906108c | 620 | |
43ff13b4 JM |
621 | /* If have argument (besides '&'), set proceed count of breakpoint |
622 | we stopped at. */ | |
c906108c SS |
623 | if (proc_count_exp != NULL) |
624 | { | |
625 | bpstat bs = stop_bpstat; | |
8671a17b PA |
626 | int num, stat; |
627 | int stopped = 0; | |
628 | ||
629 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
630 | if (stat > 0) | |
631 | { | |
632 | set_ignore_count (num, | |
633 | parse_and_eval_long (proc_count_exp) - 1, | |
634 | from_tty); | |
635 | /* set_ignore_count prints a message ending with a period. | |
636 | So print two spaces before "Continuing.". */ | |
637 | if (from_tty) | |
638 | printf_filtered (" "); | |
639 | stopped = 1; | |
640 | } | |
641 | ||
642 | if (!stopped && from_tty) | |
c906108c SS |
643 | { |
644 | printf_filtered | |
645 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
646 | } | |
c906108c SS |
647 | } |
648 | ||
649 | if (from_tty) | |
a3f17187 | 650 | printf_filtered (_("Continuing.\n")); |
c906108c SS |
651 | |
652 | clear_proceed_status (); | |
653 | ||
2acceee2 | 654 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c SS |
655 | } |
656 | \f | |
657 | /* Step until outside of current statement. */ | |
658 | ||
c906108c | 659 | static void |
fba45db2 | 660 | step_command (char *count_string, int from_tty) |
c906108c SS |
661 | { |
662 | step_1 (0, 0, count_string); | |
663 | } | |
664 | ||
665 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
666 | ||
c906108c | 667 | static void |
fba45db2 | 668 | next_command (char *count_string, int from_tty) |
c906108c SS |
669 | { |
670 | step_1 (1, 0, count_string); | |
671 | } | |
672 | ||
673 | /* Likewise, but step only one instruction. */ | |
674 | ||
c906108c | 675 | void |
fba45db2 | 676 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
677 | { |
678 | step_1 (0, 1, count_string); | |
679 | } | |
680 | ||
c906108c | 681 | void |
fba45db2 | 682 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
683 | { |
684 | step_1 (1, 1, count_string); | |
685 | } | |
686 | ||
74b7792f AC |
687 | static void |
688 | disable_longjmp_breakpoint_cleanup (void *ignore) | |
689 | { | |
690 | disable_longjmp_breakpoint (); | |
691 | } | |
692 | ||
c906108c | 693 | static void |
fba45db2 | 694 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 695 | { |
52f0bd74 | 696 | int count = 1; |
c906108c SS |
697 | struct frame_info *frame; |
698 | struct cleanup *cleanups = 0; | |
43ff13b4 | 699 | int async_exec = 0; |
c5aa993b | 700 | |
c906108c | 701 | ERROR_NO_INFERIOR; |
43ff13b4 JM |
702 | |
703 | if (count_string) | |
704 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 705 | |
43ff13b4 JM |
706 | /* If we get a request for running in the bg but the target |
707 | doesn't support it, error out. */ | |
362646f5 | 708 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 709 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
710 | |
711 | /* If we don't get a request of running in the bg, then we need | |
712 | to simulate synchronous (fg) execution. */ | |
362646f5 | 713 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
714 | { |
715 | /* Simulate synchronous execution */ | |
6426a772 | 716 | async_disable_stdin (); |
43ff13b4 JM |
717 | } |
718 | ||
bb518678 | 719 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 720 | |
c5aa993b | 721 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 722 | { |
c5aa993b | 723 | enable_longjmp_breakpoint (); |
362646f5 | 724 | if (!target_can_async_p ()) |
74b7792f | 725 | cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d | 726 | else |
74b7792f | 727 | make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d JM |
728 | } |
729 | ||
730 | /* In synchronous case, all is well, just use the regular for loop. */ | |
362646f5 | 731 | if (!target_can_async_p ()) |
c2d11a7d JM |
732 | { |
733 | for (; count > 0; count--) | |
734 | { | |
735 | clear_proceed_status (); | |
736 | ||
737 | frame = get_current_frame (); | |
738 | if (!frame) /* Avoid coredump here. Why tho? */ | |
8a3fe4f8 | 739 | error (_("No current frame")); |
aa0cd9c1 | 740 | step_frame_id = get_frame_id (frame); |
c2d11a7d JM |
741 | |
742 | if (!single_inst) | |
743 | { | |
744 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
745 | if (step_range_end == 0) | |
746 | { | |
747 | char *name; | |
748 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
749 | &step_range_end) == 0) | |
8a3fe4f8 | 750 | error (_("Cannot find bounds of current function")); |
c2d11a7d JM |
751 | |
752 | target_terminal_ours (); | |
a3f17187 | 753 | printf_filtered (_("\ |
c2d11a7d | 754 | Single stepping until exit from function %s, \n\ |
a3f17187 | 755 | which has no line number information.\n"), name); |
c2d11a7d JM |
756 | } |
757 | } | |
758 | else | |
759 | { | |
760 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
761 | step_range_start = step_range_end = 1; | |
762 | if (!skip_subroutines) | |
763 | /* It is stepi. | |
764 | Don't step over function calls, not even to functions lacking | |
765 | line numbers. */ | |
5fbbeb29 | 766 | step_over_calls = STEP_OVER_NONE; |
c2d11a7d JM |
767 | } |
768 | ||
769 | if (skip_subroutines) | |
5fbbeb29 | 770 | step_over_calls = STEP_OVER_ALL; |
c2d11a7d JM |
771 | |
772 | step_multi = (count > 1); | |
773 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
774 | ||
775 | if (!stop_step) | |
776 | break; | |
c2d11a7d JM |
777 | } |
778 | ||
779 | if (!single_inst || skip_subroutines) | |
780 | do_cleanups (cleanups); | |
781 | return; | |
782 | } | |
783 | /* In case of asynchronous target things get complicated, do only | |
784 | one step for now, before returning control to the event loop. Let | |
785 | the continuation figure out how many other steps we need to do, | |
786 | and handle them one at the time, through step_once(). */ | |
787 | else | |
788 | { | |
362646f5 | 789 | if (target_can_async_p ()) |
c2d11a7d | 790 | step_once (skip_subroutines, single_inst, count); |
c906108c | 791 | } |
c2d11a7d | 792 | } |
c906108c | 793 | |
c2d11a7d JM |
794 | /* Called after we are done with one step operation, to check whether |
795 | we need to step again, before we print the prompt and return control | |
796 | to the user. If count is > 1, we will need to do one more call to | |
797 | proceed(), via step_once(). Basically it is like step_once and | |
798 | step_1_continuation are co-recursive. */ | |
799 | static void | |
fba45db2 | 800 | step_1_continuation (struct continuation_arg *arg) |
c2d11a7d | 801 | { |
57e687d9 MS |
802 | int count; |
803 | int skip_subroutines; | |
804 | int single_inst; | |
805 | ||
806 | skip_subroutines = arg->data.integer; | |
807 | single_inst = arg->next->data.integer; | |
808 | count = arg->next->next->data.integer; | |
809 | ||
810 | if (stop_step) | |
e74f0f02 | 811 | step_once (skip_subroutines, single_inst, count - 1); |
57e687d9 MS |
812 | else |
813 | if (!single_inst || skip_subroutines) | |
814 | do_exec_cleanups (ALL_CLEANUPS); | |
c2d11a7d JM |
815 | } |
816 | ||
817 | /* Do just one step operation. If count >1 we will have to set up a | |
818 | continuation to be done after the target stops (after this one | |
819 | step). This is useful to implement the 'step n' kind of commands, in | |
820 | case of asynchronous targets. We had to split step_1 into two parts, | |
821 | one to be done before proceed() and one afterwards. This function is | |
822 | called in case of step n with n>1, after the first step operation has | |
823 | been completed.*/ | |
824 | static void | |
0d06e24b | 825 | step_once (int skip_subroutines, int single_inst, int count) |
c2d11a7d | 826 | { |
0d06e24b JM |
827 | struct continuation_arg *arg1; |
828 | struct continuation_arg *arg2; | |
829 | struct continuation_arg *arg3; | |
830 | struct frame_info *frame; | |
c2d11a7d JM |
831 | |
832 | if (count > 0) | |
c906108c SS |
833 | { |
834 | clear_proceed_status (); | |
835 | ||
836 | frame = get_current_frame (); | |
c5aa993b | 837 | if (!frame) /* Avoid coredump here. Why tho? */ |
8a3fe4f8 | 838 | error (_("No current frame")); |
aa0cd9c1 | 839 | step_frame_id = get_frame_id (frame); |
c906108c | 840 | |
c5aa993b | 841 | if (!single_inst) |
c906108c SS |
842 | { |
843 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
5fbbeb29 CF |
844 | |
845 | /* If we have no line info, switch to stepi mode. */ | |
846 | if (step_range_end == 0 && step_stop_if_no_debug) | |
847 | { | |
848 | step_range_start = step_range_end = 1; | |
849 | } | |
850 | else if (step_range_end == 0) | |
c906108c SS |
851 | { |
852 | char *name; | |
853 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
854 | &step_range_end) == 0) | |
8a3fe4f8 | 855 | error (_("Cannot find bounds of current function")); |
c906108c SS |
856 | |
857 | target_terminal_ours (); | |
a3f17187 | 858 | printf_filtered (_("\ |
c906108c | 859 | Single stepping until exit from function %s, \n\ |
a3f17187 | 860 | which has no line number information.\n"), name); |
c906108c SS |
861 | } |
862 | } | |
863 | else | |
864 | { | |
865 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
866 | step_range_start = step_range_end = 1; | |
867 | if (!skip_subroutines) | |
868 | /* It is stepi. | |
869 | Don't step over function calls, not even to functions lacking | |
870 | line numbers. */ | |
5fbbeb29 | 871 | step_over_calls = STEP_OVER_NONE; |
c906108c SS |
872 | } |
873 | ||
874 | if (skip_subroutines) | |
5fbbeb29 | 875 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
876 | |
877 | step_multi = (count > 1); | |
c2d11a7d JM |
878 | arg1 = |
879 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
880 | arg2 = | |
881 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
882 | arg3 = | |
883 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
884 | arg1->next = arg2; | |
57e687d9 | 885 | arg1->data.integer = skip_subroutines; |
c2d11a7d | 886 | arg2->next = arg3; |
57e687d9 | 887 | arg2->data.integer = single_inst; |
c2d11a7d | 888 | arg3->next = NULL; |
57e687d9 | 889 | arg3->data.integer = count; |
c2d11a7d | 890 | add_intermediate_continuation (step_1_continuation, arg1); |
2acceee2 | 891 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c | 892 | } |
c906108c | 893 | } |
c2d11a7d | 894 | |
c906108c SS |
895 | \f |
896 | /* Continue program at specified address. */ | |
897 | ||
898 | static void | |
fba45db2 | 899 | jump_command (char *arg, int from_tty) |
c906108c | 900 | { |
52f0bd74 | 901 | CORE_ADDR addr; |
c906108c SS |
902 | struct symtabs_and_lines sals; |
903 | struct symtab_and_line sal; | |
904 | struct symbol *fn; | |
905 | struct symbol *sfn; | |
43ff13b4 | 906 | int async_exec = 0; |
c5aa993b | 907 | |
c906108c SS |
908 | ERROR_NO_INFERIOR; |
909 | ||
43ff13b4 JM |
910 | /* Find out whether we must run in the background. */ |
911 | if (arg != NULL) | |
912 | async_exec = strip_bg_char (&arg); | |
913 | ||
914 | /* If we must run in the background, but the target can't do it, | |
915 | error out. */ | |
362646f5 | 916 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 917 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
918 | |
919 | /* If we are not asked to run in the bg, then prepare to run in the | |
920 | foreground, synchronously. */ | |
362646f5 | 921 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 922 | { |
43ff13b4 | 923 | /* Simulate synchronous execution */ |
6426a772 | 924 | async_disable_stdin (); |
43ff13b4 JM |
925 | } |
926 | ||
c906108c | 927 | if (!arg) |
e2e0b3e5 | 928 | error_no_arg (_("starting address")); |
c906108c SS |
929 | |
930 | sals = decode_line_spec_1 (arg, 1); | |
931 | if (sals.nelts != 1) | |
932 | { | |
8a3fe4f8 | 933 | error (_("Unreasonable jump request")); |
c906108c SS |
934 | } |
935 | ||
936 | sal = sals.sals[0]; | |
b8c9b27d | 937 | xfree (sals.sals); |
c906108c SS |
938 | |
939 | if (sal.symtab == 0 && sal.pc == 0) | |
8a3fe4f8 | 940 | error (_("No source file has been specified.")); |
c906108c | 941 | |
c5aa993b | 942 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
943 | |
944 | /* See if we are trying to jump to another function. */ | |
945 | fn = get_frame_function (get_current_frame ()); | |
946 | sfn = find_pc_function (sal.pc); | |
947 | if (fn != NULL && sfn != fn) | |
948 | { | |
949 | if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line, | |
de5ad195 | 950 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 951 | { |
8a3fe4f8 | 952 | error (_("Not confirmed.")); |
c906108c SS |
953 | /* NOTREACHED */ |
954 | } | |
955 | } | |
956 | ||
c5aa993b | 957 | if (sfn != NULL) |
c906108c SS |
958 | { |
959 | fixup_symbol_section (sfn, 0); | |
c5aa993b | 960 | if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) && |
c906108c SS |
961 | !section_is_mapped (SYMBOL_BFD_SECTION (sfn))) |
962 | { | |
963 | if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? ")) | |
964 | { | |
8a3fe4f8 | 965 | error (_("Not confirmed.")); |
c906108c SS |
966 | /* NOTREACHED */ |
967 | } | |
968 | } | |
969 | } | |
970 | ||
c906108c SS |
971 | addr = sal.pc; |
972 | ||
973 | if (from_tty) | |
974 | { | |
a3f17187 | 975 | printf_filtered (_("Continuing at ")); |
66bf4b3a | 976 | deprecated_print_address_numeric (addr, 1, gdb_stdout); |
c906108c SS |
977 | printf_filtered (".\n"); |
978 | } | |
979 | ||
980 | clear_proceed_status (); | |
981 | proceed (addr, TARGET_SIGNAL_0, 0); | |
982 | } | |
c906108c | 983 | \f |
c5aa993b | 984 | |
c906108c SS |
985 | /* Go to line or address in current procedure */ |
986 | static void | |
fba45db2 | 987 | go_command (char *line_no, int from_tty) |
c906108c | 988 | { |
c5aa993b | 989 | if (line_no == (char *) NULL || !*line_no) |
b83266a0 | 990 | printf_filtered (GO_USAGE); |
c906108c SS |
991 | else |
992 | { | |
b83266a0 SS |
993 | tbreak_command (line_no, from_tty); |
994 | jump_command (line_no, from_tty); | |
c906108c SS |
995 | } |
996 | } | |
c906108c | 997 | \f |
c5aa993b | 998 | |
c906108c SS |
999 | /* Continue program giving it specified signal. */ |
1000 | ||
1001 | static void | |
fba45db2 | 1002 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
1003 | { |
1004 | enum target_signal oursig; | |
1005 | ||
1006 | dont_repeat (); /* Too dangerous. */ | |
1007 | ERROR_NO_INFERIOR; | |
1008 | ||
1009 | if (!signum_exp) | |
e2e0b3e5 | 1010 | error_no_arg (_("signal number")); |
c906108c SS |
1011 | |
1012 | /* It would be even slicker to make signal names be valid expressions, | |
1013 | (the type could be "enum $signal" or some such), then the user could | |
1014 | assign them to convenience variables. */ | |
1015 | oursig = target_signal_from_name (signum_exp); | |
1016 | ||
1017 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
1018 | { | |
1019 | /* No, try numeric. */ | |
bb518678 | 1020 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1021 | |
1022 | if (num == 0) | |
1023 | oursig = TARGET_SIGNAL_0; | |
1024 | else | |
1025 | oursig = target_signal_from_command (num); | |
1026 | } | |
1027 | ||
1028 | if (from_tty) | |
1029 | { | |
1030 | if (oursig == TARGET_SIGNAL_0) | |
a3f17187 | 1031 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1032 | else |
a3f17187 | 1033 | printf_filtered (_("Continuing with signal %s.\n"), |
c906108c SS |
1034 | target_signal_to_name (oursig)); |
1035 | } | |
1036 | ||
1037 | clear_proceed_status (); | |
1038 | /* "signal 0" should not get stuck if we are stopped at a breakpoint. | |
1039 | FIXME: Neither should "signal foo" but when I tried passing | |
1040 | (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't | |
1041 | tried to track down yet. */ | |
2acceee2 | 1042 | proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0); |
c906108c SS |
1043 | } |
1044 | ||
c906108c SS |
1045 | /* Proceed until we reach a different source line with pc greater than |
1046 | our current one or exit the function. We skip calls in both cases. | |
1047 | ||
1048 | Note that eventually this command should probably be changed so | |
1049 | that only source lines are printed out when we hit the breakpoint | |
1050 | we set. This may involve changes to wait_for_inferior and the | |
1051 | proceed status code. */ | |
1052 | ||
c906108c | 1053 | static void |
fba45db2 | 1054 | until_next_command (int from_tty) |
c906108c SS |
1055 | { |
1056 | struct frame_info *frame; | |
1057 | CORE_ADDR pc; | |
1058 | struct symbol *func; | |
1059 | struct symtab_and_line sal; | |
c5aa993b | 1060 | |
c906108c SS |
1061 | clear_proceed_status (); |
1062 | ||
1063 | frame = get_current_frame (); | |
1064 | ||
1065 | /* Step until either exited from this function or greater | |
1066 | than the current line (if in symbolic section) or pc (if | |
1067 | not). */ | |
1068 | ||
1069 | pc = read_pc (); | |
1070 | func = find_pc_function (pc); | |
c5aa993b | 1071 | |
c906108c SS |
1072 | if (!func) |
1073 | { | |
1074 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 1075 | |
c906108c | 1076 | if (msymbol == NULL) |
8a3fe4f8 | 1077 | error (_("Execution is not within a known function.")); |
c5aa993b | 1078 | |
c906108c SS |
1079 | step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
1080 | step_range_end = pc; | |
1081 | } | |
1082 | else | |
1083 | { | |
1084 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1085 | |
c906108c SS |
1086 | step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1087 | step_range_end = sal.end; | |
1088 | } | |
c5aa993b | 1089 | |
5fbbeb29 | 1090 | step_over_calls = STEP_OVER_ALL; |
aa0cd9c1 | 1091 | step_frame_id = get_frame_id (frame); |
c906108c SS |
1092 | |
1093 | step_multi = 0; /* Only one call to proceed */ | |
c5aa993b | 1094 | |
2acceee2 | 1095 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
1096 | } |
1097 | ||
c5aa993b | 1098 | static void |
fba45db2 | 1099 | until_command (char *arg, int from_tty) |
c906108c | 1100 | { |
43ff13b4 JM |
1101 | int async_exec = 0; |
1102 | ||
c906108c | 1103 | if (!target_has_execution) |
8a3fe4f8 | 1104 | error (_("The program is not running.")); |
43ff13b4 JM |
1105 | |
1106 | /* Find out whether we must run in the background. */ | |
1107 | if (arg != NULL) | |
1108 | async_exec = strip_bg_char (&arg); | |
1109 | ||
1110 | /* If we must run in the background, but the target can't do it, | |
1111 | error out. */ | |
362646f5 | 1112 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1113 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1114 | |
1115 | /* If we are not asked to run in the bg, then prepare to run in the | |
1116 | foreground, synchronously. */ | |
362646f5 | 1117 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1118 | { |
43ff13b4 | 1119 | /* Simulate synchronous execution */ |
6426a772 | 1120 | async_disable_stdin (); |
43ff13b4 JM |
1121 | } |
1122 | ||
c906108c | 1123 | if (arg) |
ae66c1fc | 1124 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1125 | else |
1126 | until_next_command (from_tty); | |
1127 | } | |
ae66c1fc EZ |
1128 | |
1129 | static void | |
1130 | advance_command (char *arg, int from_tty) | |
1131 | { | |
1132 | int async_exec = 0; | |
1133 | ||
1134 | if (!target_has_execution) | |
8a3fe4f8 | 1135 | error (_("The program is not running.")); |
ae66c1fc EZ |
1136 | |
1137 | if (arg == NULL) | |
e2e0b3e5 | 1138 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1139 | |
1140 | /* Find out whether we must run in the background. */ | |
1141 | if (arg != NULL) | |
1142 | async_exec = strip_bg_char (&arg); | |
1143 | ||
1144 | /* If we must run in the background, but the target can't do it, | |
1145 | error out. */ | |
362646f5 | 1146 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1147 | error (_("Asynchronous execution not supported on this target.")); |
ae66c1fc EZ |
1148 | |
1149 | /* If we are not asked to run in the bg, then prepare to run in the | |
1150 | foreground, synchronously. */ | |
362646f5 | 1151 | if (!async_exec && target_can_async_p ()) |
ae66c1fc EZ |
1152 | { |
1153 | /* Simulate synchronous execution. */ | |
1154 | async_disable_stdin (); | |
1155 | } | |
1156 | ||
1157 | until_break_command (arg, from_tty, 1); | |
1158 | } | |
c906108c | 1159 | \f |
f941662f MK |
1160 | /* Print the result of a function at the end of a 'finish' command. */ |
1161 | ||
11cf8741 | 1162 | static void |
bb472c1e | 1163 | print_return_value (int struct_return, struct type *value_type) |
11cf8741 | 1164 | { |
31db7b6c | 1165 | struct gdbarch *gdbarch = current_gdbarch; |
bb472c1e MK |
1166 | struct cleanup *old_chain; |
1167 | struct ui_stream *stb; | |
44e5158b AC |
1168 | struct value *value; |
1169 | ||
181fc57c | 1170 | CHECK_TYPEDEF (value_type); |
44e5158b | 1171 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1172 | |
92ad9cd9 AC |
1173 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1174 | call, it's possible (with no help from the architecture vector) | |
1175 | to locate and return/print a "struct return" value. This is just | |
1176 | a more complicated case of what is already being done in in the | |
1177 | inferior function call code. In fact, when inferior function | |
1178 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1179 | |
750eb019 | 1180 | switch (gdbarch_return_value (gdbarch, value_type, NULL, NULL, NULL)) |
44e5158b | 1181 | { |
750eb019 AC |
1182 | case RETURN_VALUE_REGISTER_CONVENTION: |
1183 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1184 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1185 | value = allocate_value (value_type); |
750eb019 | 1186 | gdbarch_return_value (current_gdbarch, value_type, stop_registers, |
990a07ab | 1187 | value_contents_raw (value), NULL); |
750eb019 AC |
1188 | break; |
1189 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1190 | value = NULL; | |
1191 | break; | |
1192 | default: | |
e2e0b3e5 | 1193 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1194 | } |
bb472c1e | 1195 | |
31db7b6c MK |
1196 | if (value) |
1197 | { | |
1198 | /* Print it. */ | |
1d751abe PA |
1199 | stb = ui_out_stream_new (uiout); |
1200 | old_chain = make_cleanup_ui_out_stream_delete (stb); | |
31db7b6c MK |
1201 | ui_out_text (uiout, "Value returned is "); |
1202 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", | |
1203 | record_latest_value (value)); | |
1204 | ui_out_text (uiout, " = "); | |
1205 | value_print (value, stb->stream, 0, Val_no_prettyprint); | |
1206 | ui_out_field_stream (uiout, "return-value", stb); | |
1207 | ui_out_text (uiout, "\n"); | |
1d751abe | 1208 | do_cleanups (old_chain); |
31db7b6c MK |
1209 | } |
1210 | else | |
1211 | { | |
1212 | ui_out_text (uiout, "Value returned has type: "); | |
1d751abe PA |
1213 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); |
1214 | ui_out_text (uiout, "."); | |
1215 | ui_out_text (uiout, " Cannot determine contents\n"); | |
31db7b6c | 1216 | } |
11cf8741 JM |
1217 | } |
1218 | ||
43ff13b4 | 1219 | /* Stuff that needs to be done by the finish command after the target |
f941662f MK |
1220 | has stopped. In asynchronous mode, we wait for the target to stop |
1221 | in the call to poll or select in the event loop, so it is | |
1222 | impossible to do all the stuff as part of the finish_command | |
1223 | function itself. The only chance we have to complete this command | |
1224 | is in fetch_inferior_event, which is called by the event loop as | |
1225 | soon as it detects that the target has stopped. This function is | |
1226 | called via the cmd_continuation pointer. */ | |
1227 | ||
1228 | static void | |
fba45db2 | 1229 | finish_command_continuation (struct continuation_arg *arg) |
43ff13b4 | 1230 | { |
52f0bd74 | 1231 | struct symbol *function; |
43ff13b4 | 1232 | struct breakpoint *breakpoint; |
0d06e24b | 1233 | struct cleanup *cleanups; |
c5aa993b | 1234 | |
57e687d9 | 1235 | breakpoint = (struct breakpoint *) arg->data.pointer; |
f941662f MK |
1236 | function = (struct symbol *) arg->next->data.pointer; |
1237 | cleanups = (struct cleanup *) arg->next->next->data.pointer; | |
43ff13b4 | 1238 | |
c5aa993b | 1239 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
f941662f | 1240 | && function != NULL) |
43ff13b4 JM |
1241 | { |
1242 | struct type *value_type; | |
43ff13b4 | 1243 | int struct_return; |
f941662f | 1244 | int gcc_compiled; |
43ff13b4 JM |
1245 | |
1246 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1247 | if (!value_type) | |
8e65ff28 | 1248 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 1249 | _("finish_command: function has no target type")); |
c5aa993b | 1250 | |
43ff13b4 JM |
1251 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1252 | { | |
0d06e24b | 1253 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1254 | return; |
1255 | } | |
1256 | ||
f941662f MK |
1257 | CHECK_TYPEDEF (value_type); |
1258 | gcc_compiled = BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)); | |
1259 | struct_return = using_struct_return (value_type, gcc_compiled); | |
43ff13b4 | 1260 | |
11cf8741 | 1261 | print_return_value (struct_return, value_type); |
43ff13b4 | 1262 | } |
f941662f | 1263 | |
0d06e24b | 1264 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1265 | } |
1266 | ||
f941662f MK |
1267 | /* "finish": Set a temporary breakpoint at the place the selected |
1268 | frame will return to, then continue. */ | |
c906108c SS |
1269 | |
1270 | static void | |
fba45db2 | 1271 | finish_command (char *arg, int from_tty) |
c906108c SS |
1272 | { |
1273 | struct symtab_and_line sal; | |
52f0bd74 AC |
1274 | struct frame_info *frame; |
1275 | struct symbol *function; | |
c906108c SS |
1276 | struct breakpoint *breakpoint; |
1277 | struct cleanup *old_chain; | |
0d06e24b | 1278 | struct continuation_arg *arg1, *arg2, *arg3; |
43ff13b4 JM |
1279 | |
1280 | int async_exec = 0; | |
1281 | ||
f941662f | 1282 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1283 | if (arg != NULL) |
1284 | async_exec = strip_bg_char (&arg); | |
1285 | ||
1286 | /* If we must run in the background, but the target can't do it, | |
f941662f | 1287 | error out. */ |
362646f5 | 1288 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1289 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1290 | |
1291 | /* If we are not asked to run in the bg, then prepare to run in the | |
f941662f | 1292 | foreground, synchronously. */ |
362646f5 | 1293 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1294 | { |
f941662f | 1295 | /* Simulate synchronous execution. */ |
6426a772 | 1296 | async_disable_stdin (); |
43ff13b4 | 1297 | } |
c906108c SS |
1298 | |
1299 | if (arg) | |
8a3fe4f8 | 1300 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1301 | if (!target_has_execution) |
8a3fe4f8 | 1302 | error (_("The program is not running.")); |
c906108c | 1303 | |
206415a3 | 1304 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 1305 | if (frame == 0) |
8a3fe4f8 | 1306 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c SS |
1307 | |
1308 | clear_proceed_status (); | |
1309 | ||
bdd78e62 AC |
1310 | sal = find_pc_line (get_frame_pc (frame), 0); |
1311 | sal.pc = get_frame_pc (frame); | |
c906108c | 1312 | |
818dd999 | 1313 | breakpoint = set_momentary_breakpoint (sal, get_frame_id (frame), bp_finish); |
c906108c | 1314 | |
362646f5 | 1315 | if (!target_can_async_p ()) |
4d6140d9 | 1316 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
43ff13b4 | 1317 | else |
4d6140d9 | 1318 | old_chain = make_exec_cleanup_delete_breakpoint (breakpoint); |
c906108c SS |
1319 | |
1320 | /* Find the function we will return from. */ | |
1321 | ||
206415a3 | 1322 | function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 1323 | |
f941662f MK |
1324 | /* Print info on the selected frame, including level number but not |
1325 | source. */ | |
c906108c SS |
1326 | if (from_tty) |
1327 | { | |
a3f17187 | 1328 | printf_filtered (_("Run till exit from ")); |
b04f3ab4 | 1329 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION); |
c906108c SS |
1330 | } |
1331 | ||
43ff13b4 JM |
1332 | /* If running asynchronously and the target support asynchronous |
1333 | execution, set things up for the rest of the finish command to be | |
1334 | completed later on, when gdb has detected that the target has | |
f941662f | 1335 | stopped, in fetch_inferior_event. */ |
362646f5 | 1336 | if (target_can_async_p ()) |
43ff13b4 | 1337 | { |
c5aa993b | 1338 | arg1 = |
43ff13b4 | 1339 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
c5aa993b | 1340 | arg2 = |
43ff13b4 | 1341 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
0d06e24b JM |
1342 | arg3 = |
1343 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
43ff13b4 | 1344 | arg1->next = arg2; |
0d06e24b JM |
1345 | arg2->next = arg3; |
1346 | arg3->next = NULL; | |
57e687d9 MS |
1347 | arg1->data.pointer = breakpoint; |
1348 | arg2->data.pointer = function; | |
1349 | arg3->data.pointer = old_chain; | |
43ff13b4 JM |
1350 | add_continuation (finish_command_continuation, arg1); |
1351 | } | |
1352 | ||
f941662f | 1353 | proceed_to_finish = 1; /* We want stop_registers, please... */ |
2acceee2 | 1354 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c | 1355 | |
43ff13b4 | 1356 | /* Do this only if not running asynchronously or if the target |
f941662f MK |
1357 | cannot do async execution. Otherwise, complete this command when |
1358 | the target actually stops, in fetch_inferior_event. */ | |
362646f5 | 1359 | if (!target_can_async_p ()) |
c5aa993b | 1360 | { |
f941662f | 1361 | /* Did we stop at our breakpoint? */ |
c5aa993b | 1362 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
f941662f | 1363 | && function != NULL) |
c5aa993b JM |
1364 | { |
1365 | struct type *value_type; | |
c5aa993b | 1366 | int struct_return; |
f941662f | 1367 | int gcc_compiled; |
c5aa993b JM |
1368 | |
1369 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1370 | if (!value_type) | |
8e65ff28 | 1371 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 1372 | _("finish_command: function has no target type")); |
c5aa993b | 1373 | |
f941662f | 1374 | /* FIXME: Shouldn't we do the cleanups before returning? */ |
c5aa993b JM |
1375 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1376 | return; | |
1377 | ||
f941662f MK |
1378 | CHECK_TYPEDEF (value_type); |
1379 | gcc_compiled = BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)); | |
1380 | struct_return = using_struct_return (value_type, gcc_compiled); | |
c5aa993b | 1381 | |
11cf8741 | 1382 | print_return_value (struct_return, value_type); |
c5aa993b | 1383 | } |
f941662f | 1384 | |
c5aa993b JM |
1385 | do_cleanups (old_chain); |
1386 | } | |
c906108c SS |
1387 | } |
1388 | \f | |
f941662f | 1389 | |
c906108c | 1390 | static void |
fba45db2 | 1391 | program_info (char *args, int from_tty) |
c906108c SS |
1392 | { |
1393 | bpstat bs = stop_bpstat; | |
8671a17b PA |
1394 | int num; |
1395 | int stat = bpstat_num (&bs, &num); | |
c5aa993b | 1396 | |
c906108c SS |
1397 | if (!target_has_execution) |
1398 | { | |
a3f17187 | 1399 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
1400 | return; |
1401 | } | |
1402 | ||
1403 | target_files_info (); | |
a3f17187 | 1404 | printf_filtered (_("Program stopped at %s.\n"), |
bb599908 | 1405 | hex_string ((unsigned long) stop_pc)); |
c906108c | 1406 | if (stop_step) |
a3f17187 | 1407 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 1408 | else if (stat != 0) |
c906108c SS |
1409 | { |
1410 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1411 | isn't as strange as it seems. */ |
8671a17b | 1412 | while (stat != 0) |
c906108c | 1413 | { |
8671a17b | 1414 | if (stat < 0) |
c906108c | 1415 | { |
a3f17187 AC |
1416 | printf_filtered (_("\ |
1417 | It stopped at a breakpoint that has since been deleted.\n")); | |
c906108c SS |
1418 | } |
1419 | else | |
a3f17187 | 1420 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 1421 | stat = bpstat_num (&bs, &num); |
c906108c SS |
1422 | } |
1423 | } | |
1424 | else if (stop_signal != TARGET_SIGNAL_0) | |
1425 | { | |
a3f17187 | 1426 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
c906108c SS |
1427 | target_signal_to_name (stop_signal), |
1428 | target_signal_to_string (stop_signal)); | |
1429 | } | |
1430 | ||
1431 | if (!from_tty) | |
1432 | { | |
a3f17187 AC |
1433 | printf_filtered (_("\ |
1434 | Type \"info stack\" or \"info registers\" for more information.\n")); | |
c906108c SS |
1435 | } |
1436 | } | |
1437 | \f | |
1438 | static void | |
fba45db2 | 1439 | environment_info (char *var, int from_tty) |
c906108c SS |
1440 | { |
1441 | if (var) | |
1442 | { | |
aa1ee363 | 1443 | char *val = get_in_environ (inferior_environ, var); |
c906108c SS |
1444 | if (val) |
1445 | { | |
1446 | puts_filtered (var); | |
1447 | puts_filtered (" = "); | |
1448 | puts_filtered (val); | |
1449 | puts_filtered ("\n"); | |
1450 | } | |
1451 | else | |
1452 | { | |
1453 | puts_filtered ("Environment variable \""); | |
1454 | puts_filtered (var); | |
1455 | puts_filtered ("\" not defined.\n"); | |
1456 | } | |
1457 | } | |
1458 | else | |
1459 | { | |
aa1ee363 | 1460 | char **vector = environ_vector (inferior_environ); |
c906108c SS |
1461 | while (*vector) |
1462 | { | |
1463 | puts_filtered (*vector++); | |
1464 | puts_filtered ("\n"); | |
1465 | } | |
1466 | } | |
1467 | } | |
1468 | ||
1469 | static void | |
fba45db2 | 1470 | set_environment_command (char *arg, int from_tty) |
c906108c | 1471 | { |
52f0bd74 | 1472 | char *p, *val, *var; |
c906108c SS |
1473 | int nullset = 0; |
1474 | ||
1475 | if (arg == 0) | |
e2e0b3e5 | 1476 | error_no_arg (_("environment variable and value")); |
c906108c SS |
1477 | |
1478 | /* Find seperation between variable name and value */ | |
1479 | p = (char *) strchr (arg, '='); | |
1480 | val = (char *) strchr (arg, ' '); | |
1481 | ||
1482 | if (p != 0 && val != 0) | |
1483 | { | |
1484 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1485 | equals, walk forward over the spaces til we see a nonspace |
1486 | (possibly the equals). */ | |
c906108c SS |
1487 | if (p > val) |
1488 | while (*val == ' ') | |
1489 | val++; | |
1490 | ||
1491 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1492 | take the char following the spaces. */ |
c906108c SS |
1493 | if (p > val) |
1494 | p = val - 1; | |
1495 | } | |
1496 | else if (val != 0 && p == 0) | |
1497 | p = val; | |
1498 | ||
1499 | if (p == arg) | |
e2e0b3e5 | 1500 | error_no_arg (_("environment variable to set")); |
c906108c SS |
1501 | |
1502 | if (p == 0 || p[1] == 0) | |
1503 | { | |
1504 | nullset = 1; | |
1505 | if (p == 0) | |
1506 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1507 | } | |
1508 | else | |
1509 | { | |
1510 | /* Not setting variable value to null */ | |
1511 | val = p + 1; | |
1512 | while (*val == ' ' || *val == '\t') | |
1513 | val++; | |
1514 | } | |
1515 | ||
c5aa993b JM |
1516 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1517 | p--; | |
c906108c SS |
1518 | |
1519 | var = savestring (arg, p - arg); | |
1520 | if (nullset) | |
1521 | { | |
a3f17187 AC |
1522 | printf_filtered (_("\ |
1523 | Setting environment variable \"%s\" to null value.\n"), | |
1524 | var); | |
c906108c SS |
1525 | set_in_environ (inferior_environ, var, ""); |
1526 | } | |
1527 | else | |
1528 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1529 | xfree (var); |
c906108c SS |
1530 | } |
1531 | ||
1532 | static void | |
fba45db2 | 1533 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1534 | { |
1535 | if (var == 0) | |
1536 | { | |
1537 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1538 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 1539 | if (!from_tty || query (_("Delete all environment variables? "))) |
c906108c SS |
1540 | { |
1541 | free_environ (inferior_environ); | |
1542 | inferior_environ = make_environ (); | |
1543 | } | |
1544 | } | |
1545 | else | |
1546 | unset_in_environ (inferior_environ, var); | |
1547 | } | |
1548 | ||
1549 | /* Handle the execution path (PATH variable) */ | |
1550 | ||
1551 | static const char path_var_name[] = "PATH"; | |
1552 | ||
c906108c | 1553 | static void |
fba45db2 | 1554 | path_info (char *args, int from_tty) |
c906108c SS |
1555 | { |
1556 | puts_filtered ("Executable and object file path: "); | |
1557 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1558 | puts_filtered ("\n"); | |
1559 | } | |
1560 | ||
1561 | /* Add zero or more directories to the front of the execution path. */ | |
1562 | ||
1563 | static void | |
fba45db2 | 1564 | path_command (char *dirname, int from_tty) |
c906108c SS |
1565 | { |
1566 | char *exec_path; | |
1567 | char *env; | |
1568 | dont_repeat (); | |
1569 | env = get_in_environ (inferior_environ, path_var_name); | |
1570 | /* Can be null if path is not set */ | |
1571 | if (!env) | |
1572 | env = ""; | |
4fcf66da | 1573 | exec_path = xstrdup (env); |
c906108c SS |
1574 | mod_path (dirname, &exec_path); |
1575 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1576 | xfree (exec_path); |
c906108c | 1577 | if (from_tty) |
c5aa993b | 1578 | path_info ((char *) NULL, from_tty); |
c906108c | 1579 | } |
c906108c | 1580 | \f |
c5aa993b | 1581 | |
4782dc19 | 1582 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1583 | registers (print_all == 1) or all non-float and non-vector |
1584 | registers (print_all == 0). | |
c906108c SS |
1585 | |
1586 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1587 | register(s) one per line is good enough. If a different format is |
1588 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1589 | regs), or there is an existing convention for showing all the | |
1590 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1591 | provide that format. */ | |
c906108c | 1592 | |
666e11c5 | 1593 | void |
0ab7a791 AC |
1594 | default_print_registers_info (struct gdbarch *gdbarch, |
1595 | struct ui_file *file, | |
1596 | struct frame_info *frame, | |
1597 | int regnum, int print_all) | |
c906108c | 1598 | { |
0ab7a791 | 1599 | int i; |
f57d151a UW |
1600 | const int numregs = gdbarch_num_regs (current_gdbarch) |
1601 | + gdbarch_num_pseudo_regs (current_gdbarch); | |
10c42a71 | 1602 | gdb_byte buffer[MAX_REGISTER_SIZE]; |
0ab7a791 | 1603 | |
c906108c SS |
1604 | for (i = 0; i < numregs; i++) |
1605 | { | |
4782dc19 AC |
1606 | /* Decide between printing all regs, non-float / vector regs, or |
1607 | specific reg. */ | |
c5aa993b JM |
1608 | if (regnum == -1) |
1609 | { | |
f9418c0f | 1610 | if (print_all) |
4782dc19 | 1611 | { |
f9418c0f | 1612 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1613 | continue; |
f9418c0f AC |
1614 | } |
1615 | else | |
1616 | { | |
1617 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1618 | continue; |
1619 | } | |
c5aa993b JM |
1620 | } |
1621 | else | |
1622 | { | |
1623 | if (i != regnum) | |
1624 | continue; | |
1625 | } | |
c906108c SS |
1626 | |
1627 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1628 | processor, so don't display anything. */ |
c9f4d572 UW |
1629 | if (gdbarch_register_name (current_gdbarch, i) == NULL |
1630 | || *(gdbarch_register_name (current_gdbarch, i)) == '\0') | |
c906108c SS |
1631 | continue; |
1632 | ||
c9f4d572 UW |
1633 | fputs_filtered (gdbarch_register_name (current_gdbarch, i), file); |
1634 | print_spaces_filtered (15 - strlen (gdbarch_register_name | |
1635 | (current_gdbarch, i)), file); | |
c906108c SS |
1636 | |
1637 | /* Get the data in raw format. */ | |
9730f241 | 1638 | if (! frame_register_read (frame, i, buffer)) |
c906108c | 1639 | { |
0ab7a791 | 1640 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1641 | continue; |
1642 | } | |
1643 | ||
0ab7a791 AC |
1644 | /* If virtual format is floating, print it that way, and in raw |
1645 | hex. */ | |
7b83296f | 1646 | if (TYPE_CODE (register_type (current_gdbarch, i)) == TYPE_CODE_FLT) |
c906108c | 1647 | { |
0ab7a791 | 1648 | int j; |
c906108c | 1649 | |
9730f241 | 1650 | val_print (register_type (current_gdbarch, i), buffer, 0, 0, |
0ab7a791 | 1651 | file, 0, 1, 0, Val_pretty_default); |
c906108c | 1652 | |
0ab7a791 | 1653 | fprintf_filtered (file, "\t(raw 0x"); |
3acba339 | 1654 | for (j = 0; j < register_size (current_gdbarch, i); j++) |
c906108c | 1655 | { |
0ab7a791 | 1656 | int idx; |
0d20ae72 | 1657 | if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) |
0ab7a791 AC |
1658 | idx = j; |
1659 | else | |
3acba339 | 1660 | idx = register_size (current_gdbarch, i) - 1 - j; |
9730f241 | 1661 | fprintf_filtered (file, "%02x", (unsigned char) buffer[idx]); |
c906108c | 1662 | } |
0ab7a791 | 1663 | fprintf_filtered (file, ")"); |
c906108c | 1664 | } |
c906108c SS |
1665 | else |
1666 | { | |
ab4327e0 | 1667 | /* Print the register in hex. */ |
9730f241 | 1668 | val_print (register_type (current_gdbarch, i), buffer, 0, 0, |
9d84ac84 | 1669 | file, 'x', 1, 0, Val_pretty_default); |
ab4327e0 EZ |
1670 | /* If not a vector register, print it also according to its |
1671 | natural format. */ | |
7b83296f | 1672 | if (TYPE_VECTOR (register_type (current_gdbarch, i)) == 0) |
ab4327e0 | 1673 | { |
9d84ac84 | 1674 | fprintf_filtered (file, "\t"); |
9730f241 | 1675 | val_print (register_type (current_gdbarch, i), buffer, 0, 0, |
9d84ac84 | 1676 | file, 0, 1, 0, Val_pretty_default); |
ab4327e0 | 1677 | } |
c906108c SS |
1678 | } |
1679 | ||
0ab7a791 | 1680 | fprintf_filtered (file, "\n"); |
c906108c SS |
1681 | } |
1682 | } | |
c906108c | 1683 | |
c906108c | 1684 | void |
fba45db2 | 1685 | registers_info (char *addr_exp, int fpregs) |
c906108c | 1686 | { |
206415a3 | 1687 | struct frame_info *frame; |
c906108c | 1688 | int regnum, numregs; |
52f0bd74 | 1689 | char *end; |
c906108c SS |
1690 | |
1691 | if (!target_has_registers) | |
8a3fe4f8 | 1692 | error (_("The program has no registers now.")); |
206415a3 | 1693 | frame = get_selected_frame (NULL); |
c906108c SS |
1694 | |
1695 | if (!addr_exp) | |
1696 | { | |
0ab7a791 | 1697 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, |
206415a3 | 1698 | frame, -1, fpregs); |
c906108c SS |
1699 | return; |
1700 | } | |
1701 | ||
f9418c0f | 1702 | while (*addr_exp != '\0') |
c5aa993b | 1703 | { |
f9418c0f AC |
1704 | char *start; |
1705 | const char *end; | |
c906108c | 1706 | |
f9418c0f AC |
1707 | /* Keep skipping leading white space. */ |
1708 | if (isspace ((*addr_exp))) | |
1709 | { | |
1710 | addr_exp++; | |
1711 | continue; | |
1712 | } | |
c906108c | 1713 | |
f9418c0f AC |
1714 | /* Discard any leading ``$''. Check that there is something |
1715 | resembling a register following it. */ | |
1716 | if (addr_exp[0] == '$') | |
1717 | addr_exp++; | |
1718 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 1719 | error (_("Missing register name")); |
c906108c | 1720 | |
f9418c0f AC |
1721 | /* Find the start/end of this register name/num/group. */ |
1722 | start = addr_exp; | |
1723 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1724 | addr_exp++; | |
1725 | end = addr_exp; | |
1726 | ||
1727 | /* Figure out what we've found and display it. */ | |
1728 | ||
1729 | /* A register name? */ | |
1730 | { | |
206415a3 | 1731 | int regnum = frame_map_name_to_regnum (frame, |
eb8bc282 | 1732 | start, end - start); |
f9418c0f AC |
1733 | if (regnum >= 0) |
1734 | { | |
1735 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
206415a3 | 1736 | frame, regnum, fpregs); |
f9418c0f AC |
1737 | continue; |
1738 | } | |
1739 | } | |
1740 | ||
1741 | /* A register number? (how portable is this one?). */ | |
1742 | { | |
1743 | char *endptr; | |
1744 | int regnum = strtol (start, &endptr, 0); | |
1745 | if (endptr == end | |
1746 | && regnum >= 0 | |
f57d151a UW |
1747 | && regnum < gdbarch_num_regs (current_gdbarch) |
1748 | + gdbarch_num_pseudo_regs (current_gdbarch)) | |
f9418c0f AC |
1749 | { |
1750 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
206415a3 | 1751 | frame, regnum, fpregs); |
f9418c0f AC |
1752 | continue; |
1753 | } | |
1754 | } | |
1755 | ||
1756 | /* A register group? */ | |
1757 | { | |
6c7d17ba AC |
1758 | struct reggroup *group; |
1759 | for (group = reggroup_next (current_gdbarch, NULL); | |
1760 | group != NULL; | |
1761 | group = reggroup_next (current_gdbarch, group)) | |
f9418c0f AC |
1762 | { |
1763 | /* Don't bother with a length check. Should the user | |
1764 | enter a short register group name, go with the first | |
1765 | group that matches. */ | |
6c7d17ba | 1766 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
1767 | break; |
1768 | } | |
6c7d17ba | 1769 | if (group != NULL) |
f9418c0f AC |
1770 | { |
1771 | int regnum; | |
f57d151a UW |
1772 | for (regnum = 0; |
1773 | regnum < gdbarch_num_regs (current_gdbarch) | |
1774 | + gdbarch_num_pseudo_regs (current_gdbarch); | |
1775 | regnum++) | |
f9418c0f AC |
1776 | { |
1777 | if (gdbarch_register_reggroup_p (current_gdbarch, regnum, | |
6c7d17ba | 1778 | group)) |
f9418c0f | 1779 | gdbarch_print_registers_info (current_gdbarch, |
206415a3 | 1780 | gdb_stdout, frame, |
f9418c0f AC |
1781 | regnum, fpregs); |
1782 | } | |
1783 | continue; | |
1784 | } | |
1785 | } | |
c906108c | 1786 | |
f9418c0f | 1787 | /* Nothing matched. */ |
8a3fe4f8 | 1788 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 1789 | } |
c906108c SS |
1790 | } |
1791 | ||
1792 | void | |
fba45db2 | 1793 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1794 | { |
1795 | registers_info (addr_exp, 1); | |
1796 | } | |
1797 | ||
a58dd373 | 1798 | static void |
fba45db2 | 1799 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1800 | { |
1801 | registers_info (addr_exp, 0); | |
1802 | } | |
e76f1f2e AC |
1803 | |
1804 | static void | |
1805 | print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, | |
1806 | struct frame_info *frame, const char *args) | |
1807 | { | |
1808 | if (gdbarch_print_vector_info_p (gdbarch)) | |
1809 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
1810 | else | |
1811 | { | |
1812 | int regnum; | |
1813 | int printed_something = 0; | |
ab4327e0 | 1814 | |
f57d151a UW |
1815 | for (regnum = 0; |
1816 | regnum < gdbarch_num_regs (current_gdbarch) | |
1817 | + gdbarch_num_pseudo_regs (current_gdbarch); | |
1818 | regnum++) | |
e76f1f2e | 1819 | { |
f9418c0f | 1820 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
1821 | { |
1822 | printed_something = 1; | |
e76f1f2e | 1823 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
1824 | } |
1825 | } | |
1826 | if (!printed_something) | |
1827 | fprintf_filtered (file, "No vector information\n"); | |
1828 | } | |
1829 | } | |
1830 | ||
1831 | static void | |
1832 | vector_info (char *args, int from_tty) | |
1833 | { | |
206415a3 DJ |
1834 | if (!target_has_registers) |
1835 | error (_("The program has no registers now.")); | |
1836 | ||
1837 | print_vector_info (current_gdbarch, gdb_stdout, | |
1838 | get_selected_frame (NULL), args); | |
e76f1f2e | 1839 | } |
c906108c | 1840 | \f |
c5aa993b | 1841 | |
c906108c SS |
1842 | /* |
1843 | * TODO: | |
1844 | * Should save/restore the tty state since it might be that the | |
1845 | * program to be debugged was started on this tty and it wants | |
1846 | * the tty in some state other than what we want. If it's running | |
1847 | * on another terminal or without a terminal, then saving and | |
1848 | * restoring the tty state is a harmless no-op. | |
1849 | * This only needs to be done if we are attaching to a process. | |
1850 | */ | |
1851 | ||
1852 | /* | |
1853 | attach_command -- | |
1854 | takes a program started up outside of gdb and ``attaches'' to it. | |
1855 | This stops it cold in its tracks and allows us to start debugging it. | |
1856 | and wait for the trace-trap that results from attaching. */ | |
1857 | ||
1858 | void | |
fba45db2 | 1859 | attach_command (char *args, int from_tty) |
c906108c | 1860 | { |
c5aa993b JM |
1861 | char *exec_file; |
1862 | char *full_exec_path = NULL; | |
c906108c | 1863 | |
c5aa993b | 1864 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1865 | |
1866 | if (target_has_execution) | |
1867 | { | |
1868 | if (query ("A program is being debugged already. Kill it? ")) | |
1869 | target_kill (); | |
1870 | else | |
8a3fe4f8 | 1871 | error (_("Not killed.")); |
c906108c SS |
1872 | } |
1873 | ||
fd79ecee DJ |
1874 | /* Clean up any leftovers from other runs. Some other things from |
1875 | this function should probably be moved into target_pre_inferior. */ | |
1876 | target_pre_inferior (from_tty); | |
1877 | ||
4bcff7eb CV |
1878 | /* Clear out solib state. Otherwise the solib state of the previous |
1879 | inferior might have survived and is entirely wrong for the new | |
155bd5d1 AC |
1880 | target. This has been observed on GNU/Linux using glibc 2.3. How |
1881 | to reproduce: | |
4bcff7eb CV |
1882 | |
1883 | bash$ ./foo& | |
1884 | [1] 4711 | |
1885 | bash$ ./foo& | |
1886 | [1] 4712 | |
1887 | bash$ gdb ./foo | |
1888 | [...] | |
1889 | (gdb) attach 4711 | |
1890 | (gdb) detach | |
1891 | (gdb) attach 4712 | |
1892 | Cannot access memory at address 0xdeadbeef | |
1893 | */ | |
1894 | #ifdef CLEAR_SOLIB | |
1895 | CLEAR_SOLIB (); | |
a77053c2 MK |
1896 | #else |
1897 | clear_solib (); | |
4bcff7eb CV |
1898 | #endif |
1899 | ||
c906108c SS |
1900 | target_attach (args, from_tty); |
1901 | ||
1902 | /* Set up the "saved terminal modes" of the inferior | |
1903 | based on what modes we are starting it with. */ | |
1904 | target_terminal_init (); | |
1905 | ||
c906108c SS |
1906 | /* Set up execution context to know that we should return from |
1907 | wait_for_inferior as soon as the target reports a stop. */ | |
1908 | init_wait_for_inferior (); | |
1909 | clear_proceed_status (); | |
c906108c SS |
1910 | |
1911 | /* No traps are generated when attaching to inferior under Mach 3 | |
1912 | or GNU hurd. */ | |
1913 | #ifndef ATTACH_NO_WAIT | |
c54cfec8 EZ |
1914 | /* Careful here. See comments in inferior.h. Basically some OSes |
1915 | don't ignore SIGSTOPs on continue requests anymore. We need a | |
1916 | way for handle_inferior_event to reset the stop_signal variable | |
1917 | after an attach, and this is what STOP_QUIETLY_NO_SIGSTOP is for. */ | |
c0236d92 | 1918 | stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c906108c | 1919 | wait_for_inferior (); |
c0236d92 | 1920 | stop_soon = NO_STOP_QUIETLY; |
c906108c SS |
1921 | #endif |
1922 | ||
1923 | /* | |
1924 | * If no exec file is yet known, try to determine it from the | |
1925 | * process itself. | |
1926 | */ | |
1927 | exec_file = (char *) get_exec_file (0); | |
c5aa993b JM |
1928 | if (!exec_file) |
1929 | { | |
39f77062 | 1930 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); |
c5aa993b JM |
1931 | if (exec_file) |
1932 | { | |
1933 | /* It's possible we don't have a full path, but rather just a | |
1934 | filename. Some targets, such as HP-UX, don't provide the | |
1935 | full path, sigh. | |
1936 | ||
1937 | Attempt to qualify the filename against the source path. | |
1938 | (If that fails, we'll just fall back on the original | |
1939 | filename. Not much more we can do...) | |
1940 | */ | |
1941 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1942 | full_exec_path = savestring (exec_file, strlen (exec_file)); | |
1943 | ||
1944 | exec_file_attach (full_exec_path, from_tty); | |
1adeb98a | 1945 | symbol_file_add_main (full_exec_path, from_tty); |
c5aa993b | 1946 | } |
c906108c | 1947 | } |
63ed89b4 DJ |
1948 | else |
1949 | { | |
1950 | reopen_exec_file (); | |
1951 | reread_symbols (); | |
1952 | } | |
c906108c | 1953 | |
c906108c | 1954 | /* Take any necessary post-attaching actions for this platform. |
c5aa993b | 1955 | */ |
39f77062 | 1956 | target_post_attach (PIDGET (inferior_ptid)); |
c906108c | 1957 | |
9353355f DJ |
1958 | post_create_inferior (¤t_target, from_tty); |
1959 | ||
79acc9b3 CV |
1960 | /* Install inferior's terminal modes. */ |
1961 | target_terminal_inferior (); | |
1962 | ||
c906108c | 1963 | normal_stop (); |
6426a772 | 1964 | |
9a4105ab AC |
1965 | if (deprecated_attach_hook) |
1966 | deprecated_attach_hook (); | |
c906108c SS |
1967 | } |
1968 | ||
1969 | /* | |
1970 | * detach_command -- | |
1971 | * takes a program previously attached to and detaches it. | |
1972 | * The program resumes execution and will no longer stop | |
1973 | * on signals, etc. We better not have left any breakpoints | |
1974 | * in the program or it'll die when it hits one. For this | |
1975 | * to work, it may be necessary for the process to have been | |
1976 | * previously attached. It *might* work if the program was | |
1977 | * started via the normal ptrace (PTRACE_TRACEME). | |
1978 | */ | |
1979 | ||
1980 | static void | |
fba45db2 | 1981 | detach_command (char *args, int from_tty) |
c906108c | 1982 | { |
1f5d0fc9 | 1983 | dont_repeat (); /* Not for the faint of heart. */ |
c906108c SS |
1984 | target_detach (args, from_tty); |
1985 | #if defined(SOLIB_RESTART) | |
1986 | SOLIB_RESTART (); | |
1987 | #endif | |
9a4105ab AC |
1988 | if (deprecated_detach_hook) |
1989 | deprecated_detach_hook (); | |
c906108c SS |
1990 | } |
1991 | ||
6ad8ae5c DJ |
1992 | /* Disconnect from the current target without resuming it (leaving it |
1993 | waiting for a debugger). | |
1994 | ||
1995 | We'd better not have left any breakpoints in the program or the | |
1996 | next debugger will get confused. Currently only supported for some | |
1997 | remote targets, since the normal attach mechanisms don't work on | |
1998 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
1999 | ||
2000 | static void | |
2001 | disconnect_command (char *args, int from_tty) | |
2002 | { | |
2003 | dont_repeat (); /* Not for the faint of heart */ | |
2004 | target_disconnect (args, from_tty); | |
2005 | #if defined(SOLIB_RESTART) | |
2006 | SOLIB_RESTART (); | |
2007 | #endif | |
9a4105ab AC |
2008 | if (deprecated_detach_hook) |
2009 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
2010 | } |
2011 | ||
43ff13b4 JM |
2012 | /* Stop the execution of the target while running in async mode, in |
2013 | the backgound. */ | |
8b93c638 | 2014 | void |
fba45db2 | 2015 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 2016 | { |
362646f5 | 2017 | if (target_can_async_p ()) |
43ff13b4 | 2018 | { |
c5aa993b | 2019 | dont_repeat (); /* Not for the faint of heart */ |
43ff13b4 JM |
2020 | target_stop (); |
2021 | } | |
2022 | } | |
2023 | ||
c906108c | 2024 | static void |
23e3a7ac AC |
2025 | print_float_info (struct gdbarch *gdbarch, struct ui_file *file, |
2026 | struct frame_info *frame, const char *args) | |
c906108c | 2027 | { |
23e3a7ac AC |
2028 | if (gdbarch_print_float_info_p (gdbarch)) |
2029 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
2030 | else | |
2031 | { | |
23e3a7ac AC |
2032 | int regnum; |
2033 | int printed_something = 0; | |
ab4327e0 | 2034 | |
f57d151a UW |
2035 | for (regnum = 0; |
2036 | regnum < gdbarch_num_regs (current_gdbarch) | |
2037 | + gdbarch_num_pseudo_regs (current_gdbarch); | |
2038 | regnum++) | |
23e3a7ac | 2039 | { |
f9418c0f | 2040 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
2041 | { |
2042 | printed_something = 1; | |
23e3a7ac | 2043 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
2044 | } |
2045 | } | |
2046 | if (!printed_something) | |
2047 | fprintf_filtered (file, "\ | |
2048 | No floating-point info available for this processor.\n"); | |
23e3a7ac AC |
2049 | } |
2050 | } | |
2051 | ||
2052 | static void | |
2053 | float_info (char *args, int from_tty) | |
2054 | { | |
206415a3 DJ |
2055 | if (!target_has_registers) |
2056 | error (_("The program has no registers now.")); | |
2057 | ||
1f5d0fc9 | 2058 | print_float_info (current_gdbarch, gdb_stdout, |
206415a3 | 2059 | get_selected_frame (NULL), args); |
c906108c SS |
2060 | } |
2061 | \f | |
c906108c | 2062 | static void |
fba45db2 | 2063 | unset_command (char *args, int from_tty) |
c906108c | 2064 | { |
a3f17187 AC |
2065 | printf_filtered (_("\ |
2066 | \"unset\" must be followed by the name of an unset subcommand.\n")); | |
c906108c SS |
2067 | help_list (unsetlist, "unset ", -1, gdb_stdout); |
2068 | } | |
2069 | ||
2070 | void | |
fba45db2 | 2071 | _initialize_infcmd (void) |
c906108c | 2072 | { |
3cb3b8df BR |
2073 | struct cmd_list_element *c = NULL; |
2074 | ||
2075 | /* add the filename of the terminal connected to inferior I/O */ | |
2076 | add_setshow_filename_cmd ("inferior-tty", class_run, | |
2077 | &inferior_io_terminal, _("\ | |
2078 | Set terminal for future runs of program being debugged."), _("\ | |
2079 | Show terminal for future runs of program being debugged."), _("\ | |
2080 | Usage: set inferior-tty /dev/pts/1"), NULL, NULL, &setlist, &showlist); | |
2081 | add_com_alias ("tty", "set inferior-tty", class_alias, 0); | |
c906108c | 2082 | |
b4b4ac0b AC |
2083 | add_setshow_optional_filename_cmd ("args", class_run, |
2084 | &inferior_args, _("\ | |
2085 | Set argument list to give program being debugged when it is started."), _("\ | |
2086 | Show argument list to give program being debugged when it is started."), _("\ | |
2087 | Follow this command with any number of args, to be passed to the program."), | |
2088 | notice_args_set, | |
2089 | notice_args_read, | |
2090 | &setlist, &showlist); | |
c906108c | 2091 | |
1a966eab AC |
2092 | c = add_cmd ("environment", no_class, environment_info, _("\ |
2093 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
2094 | With an argument VAR, prints the value of environment variable VAR to\n\ |
2095 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 2096 | environment to be given to the program."), &showlist); |
5ba2abeb | 2097 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2098 | |
2099 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 2100 | _("Complement to certain \"set\" commands."), |
c906108c | 2101 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2102 | |
1a966eab AC |
2103 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
2104 | Cancel environment variable VAR for the program.\n\ | |
2105 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 2106 | &unsetlist); |
5ba2abeb | 2107 | set_cmd_completer (c, noop_completer); |
c906108c | 2108 | |
1a966eab AC |
2109 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
2110 | Set environment variable value to give the program.\n\ | |
c906108c SS |
2111 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
2112 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 2113 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 2114 | &setlist); |
5ba2abeb | 2115 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2116 | |
1bedd215 AC |
2117 | c = add_com ("path", class_files, path_command, _("\ |
2118 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2119 | $cwd in the path means the current working directory.\n\ |
2120 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2121 | directories, separated by colons. These directories are searched to find\n\ | |
1bedd215 | 2122 | fully linked executable files and separately compiled object files as needed.")); |
5ba2abeb | 2123 | set_cmd_completer (c, filename_completer); |
c906108c | 2124 | |
1a966eab AC |
2125 | c = add_cmd ("paths", no_class, path_info, _("\ |
2126 | Current search path for finding object files.\n\ | |
c906108c SS |
2127 | $cwd in the path means the current working directory.\n\ |
2128 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2129 | directories, separated by colons. These directories are searched to find\n\ | |
1a966eab | 2130 | fully linked executable files and separately compiled object files as needed."), |
c906108c | 2131 | &showlist); |
5ba2abeb | 2132 | set_cmd_completer (c, noop_completer); |
c906108c | 2133 | |
1bedd215 AC |
2134 | add_com ("attach", class_run, attach_command, _("\ |
2135 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2136 | This command attaches to another target, of the same type as your last\n\ |
2137 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2138 | The command may take as argument a process id or a device file.\n\ | |
2139 | For a process id, you must have permission to send the process a signal,\n\ | |
2140 | and it must have the same effective uid as the debugger.\n\ | |
2141 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2142 | program running in the process, looking first in the current working\n\ | |
2143 | directory, or (if not found there) using the source file search path\n\ | |
2144 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 2145 | to specify the program, and to load its symbol table.")); |
c906108c | 2146 | |
f73adfeb | 2147 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 2148 | Detach a process or file previously attached.\n\ |
c906108c | 2149 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
2150 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
2151 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 2152 | |
1bedd215 AC |
2153 | add_com ("disconnect", class_run, disconnect_command, _("\ |
2154 | Disconnect from a target.\n\ | |
6ad8ae5c | 2155 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 2156 | all targets.")); |
6ad8ae5c | 2157 | |
1bedd215 AC |
2158 | add_com ("signal", class_run, signal_command, _("\ |
2159 | Continue program giving it signal specified by the argument.\n\ | |
2160 | An argument of \"0\" means continue program without giving it a signal.")); | |
c906108c | 2161 | |
1bedd215 AC |
2162 | add_com ("stepi", class_run, stepi_command, _("\ |
2163 | Step one instruction exactly.\n\ | |
2164 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2165 | add_com_alias ("si", "stepi", class_alias, 0); |
2166 | ||
1bedd215 AC |
2167 | add_com ("nexti", class_run, nexti_command, _("\ |
2168 | Step one instruction, but proceed through subroutine calls.\n\ | |
2169 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2170 | add_com_alias ("ni", "nexti", class_alias, 0); |
2171 | ||
1bedd215 AC |
2172 | add_com ("finish", class_run, finish_command, _("\ |
2173 | Execute until selected stack frame returns.\n\ | |
2174 | Upon return, the value returned is printed and put in the value history.")); | |
c906108c | 2175 | |
1bedd215 AC |
2176 | add_com ("next", class_run, next_command, _("\ |
2177 | Step program, proceeding through subroutine calls.\n\ | |
c906108c SS |
2178 | Like the \"step\" command as long as subroutine calls do not happen;\n\ |
2179 | when they do, the call is treated as one instruction.\n\ | |
1bedd215 | 2180 | Argument N means do this N times (or till program stops for another reason).")); |
c906108c SS |
2181 | add_com_alias ("n", "next", class_run, 1); |
2182 | if (xdb_commands) | |
c5aa993b | 2183 | add_com_alias ("S", "next", class_run, 1); |
c906108c | 2184 | |
1bedd215 AC |
2185 | add_com ("step", class_run, step_command, _("\ |
2186 | Step program until it reaches a different source line.\n\ | |
2187 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2188 | add_com_alias ("s", "step", class_run, 1); |
2189 | ||
1bedd215 AC |
2190 | c = add_com ("until", class_run, until_command, _("\ |
2191 | Execute until the program reaches a source line greater than the current\n\ | |
2192 | or a specified location (same args as break command) within the current frame.")); | |
5ba2abeb | 2193 | set_cmd_completer (c, location_completer); |
c906108c | 2194 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2195 | |
1bedd215 AC |
2196 | c = add_com ("advance", class_run, advance_command, _("\ |
2197 | Continue the program up to the given location (same form as args for break command).\n\ | |
2198 | Execution will also stop upon exit from the current stack frame.")); | |
ae66c1fc EZ |
2199 | set_cmd_completer (c, location_completer); |
2200 | ||
1bedd215 AC |
2201 | c = add_com ("jump", class_run, jump_command, _("\ |
2202 | Continue program being debugged at specified line or address.\n\ | |
c906108c | 2203 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 2204 | for an address to start at.")); |
5ba2abeb | 2205 | set_cmd_completer (c, location_completer); |
c906108c | 2206 | |
b83266a0 | 2207 | if (xdb_commands) |
c94fdfd0 | 2208 | { |
1bedd215 AC |
2209 | c = add_com ("go", class_run, go_command, _("\ |
2210 | Usage: go <location>\n\ | |
c906108c SS |
2211 | Continue program being debugged, stopping at specified line or \n\ |
2212 | address.\n\ | |
2213 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2214 | expression for an address to start at.\n\ | |
1bedd215 | 2215 | This command is a combination of tbreak and jump.")); |
5ba2abeb | 2216 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2217 | } |
b83266a0 | 2218 | |
c906108c | 2219 | if (xdb_commands) |
c5aa993b | 2220 | add_com_alias ("g", "go", class_run, 1); |
c906108c | 2221 | |
1bedd215 AC |
2222 | add_com ("continue", class_run, continue_command, _("\ |
2223 | Continue program being debugged, after signal or breakpoint.\n\ | |
c906108c SS |
2224 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
2225 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
1bedd215 | 2226 | the breakpoint won't break until the Nth time it is reached).")); |
c906108c SS |
2227 | add_com_alias ("c", "cont", class_run, 1); |
2228 | add_com_alias ("fg", "cont", class_run, 1); | |
2229 | ||
1bedd215 AC |
2230 | c = add_com ("run", class_run, run_command, _("\ |
2231 | Start debugged program. You may specify arguments to give it.\n\ | |
c906108c SS |
2232 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ |
2233 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2234 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2235 | To cancel previous arguments and run with no arguments,\n\ | |
1bedd215 | 2236 | use \"set args\" without arguments.")); |
5ba2abeb | 2237 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2238 | add_com_alias ("r", "run", class_run, 1); |
2239 | if (xdb_commands) | |
2240 | add_com ("R", class_run, run_no_args_command, | |
1bedd215 | 2241 | _("Start debugged program with no arguments.")); |
c906108c | 2242 | |
1bedd215 | 2243 | c = add_com ("start", class_run, start_command, _("\ |
a4d5f2e0 JB |
2244 | Run the debugged program until the beginning of the main procedure.\n\ |
2245 | You may specify arguments to give to your program, just as with the\n\ | |
1bedd215 | 2246 | \"run\" command.")); |
a4d5f2e0 JB |
2247 | set_cmd_completer (c, filename_completer); |
2248 | ||
43ff13b4 | 2249 | add_com ("interrupt", class_run, interrupt_target_command, |
1bedd215 | 2250 | _("Interrupt the execution of the debugged program.")); |
43ff13b4 | 2251 | |
1bedd215 AC |
2252 | add_info ("registers", nofp_registers_info, _("\ |
2253 | List of integer registers and their contents, for selected stack frame.\n\ | |
2254 | Register name as argument means describe only that register.")); | |
7194c49b | 2255 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2256 | |
2257 | if (xdb_commands) | |
1bedd215 AC |
2258 | add_com ("lr", class_info, nofp_registers_info, _("\ |
2259 | List of integer registers and their contents, for selected stack frame.\n\ | |
2260 | Register name as argument means describe only that register.")); | |
2261 | add_info ("all-registers", all_registers_info, _("\ | |
2262 | List of all registers and their contents, for selected stack frame.\n\ | |
2263 | Register name as argument means describe only that register.")); | |
c906108c SS |
2264 | |
2265 | add_info ("program", program_info, | |
1bedd215 | 2266 | _("Execution status of the program.")); |
c906108c SS |
2267 | |
2268 | add_info ("float", float_info, | |
1bedd215 | 2269 | _("Print the status of the floating point unit\n")); |
c906108c | 2270 | |
e76f1f2e | 2271 | add_info ("vector", vector_info, |
1bedd215 | 2272 | _("Print the status of the vector unit\n")); |
e76f1f2e | 2273 | |
c906108c SS |
2274 | inferior_environ = make_environ (); |
2275 | init_environ (inferior_environ); | |
2276 | } |