Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
b6ba6518 | 2 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
de5ad195 | 3 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
c906108c SS |
4 | Free Software Foundation, Inc. |
5 | ||
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include <signal.h> | |
25 | #include "gdb_string.h" | |
26 | #include "symtab.h" | |
27 | #include "gdbtypes.h" | |
28 | #include "frame.h" | |
29 | #include "inferior.h" | |
30 | #include "environ.h" | |
31 | #include "value.h" | |
32 | #include "gdbcmd.h" | |
1adeb98a | 33 | #include "symfile.h" |
c906108c SS |
34 | #include "gdbcore.h" |
35 | #include "target.h" | |
36 | #include "language.h" | |
37 | #include "symfile.h" | |
38 | #include "objfiles.h" | |
c94fdfd0 | 39 | #include "completer.h" |
8b93c638 | 40 | #include "ui-out.h" |
6426a772 | 41 | #include "event-top.h" |
96baa820 | 42 | #include "parser-defs.h" |
36160dc4 | 43 | #include "regcache.h" |
f9418c0f | 44 | #include "reggroups.h" |
fe898f56 | 45 | #include "block.h" |
f9418c0f | 46 | #include <ctype.h> |
72cec141 | 47 | |
a58dd373 | 48 | /* Functions exported for general use, in inferior.h: */ |
c906108c | 49 | |
a14ed312 | 50 | void all_registers_info (char *, int); |
c906108c | 51 | |
a14ed312 | 52 | void registers_info (char *, int); |
c906108c | 53 | |
a58dd373 EZ |
54 | void nexti_command (char *, int); |
55 | ||
56 | void stepi_command (char *, int); | |
c906108c | 57 | |
a14ed312 | 58 | void continue_command (char *, int); |
c906108c | 59 | |
a58dd373 EZ |
60 | void interrupt_target_command (char *args, int from_tty); |
61 | ||
62 | /* Local functions: */ | |
63 | ||
64 | static void nofp_registers_info (char *, int); | |
65 | ||
11cf8741 JM |
66 | static void print_return_value (int struct_return, struct type *value_type); |
67 | ||
a14ed312 | 68 | static void finish_command_continuation (struct continuation_arg *); |
43ff13b4 | 69 | |
a14ed312 | 70 | static void until_next_command (int); |
c906108c | 71 | |
a14ed312 | 72 | static void until_command (char *, int); |
c906108c | 73 | |
a14ed312 | 74 | static void path_info (char *, int); |
c906108c | 75 | |
a14ed312 | 76 | static void path_command (char *, int); |
c906108c | 77 | |
a14ed312 | 78 | static void unset_command (char *, int); |
c906108c | 79 | |
a14ed312 | 80 | static void float_info (char *, int); |
c906108c | 81 | |
a14ed312 | 82 | static void detach_command (char *, int); |
c906108c | 83 | |
6ad8ae5c DJ |
84 | static void disconnect_command (char *, int); |
85 | ||
a14ed312 | 86 | static void unset_environment_command (char *, int); |
c906108c | 87 | |
a14ed312 | 88 | static void set_environment_command (char *, int); |
c906108c | 89 | |
a14ed312 | 90 | static void environment_info (char *, int); |
c906108c | 91 | |
a14ed312 | 92 | static void program_info (char *, int); |
c906108c | 93 | |
a14ed312 | 94 | static void finish_command (char *, int); |
c906108c | 95 | |
a14ed312 | 96 | static void signal_command (char *, int); |
c906108c | 97 | |
a14ed312 | 98 | static void jump_command (char *, int); |
c906108c | 99 | |
a14ed312 | 100 | static void step_1 (int, int, char *); |
c2d11a7d JM |
101 | static void step_once (int skip_subroutines, int single_inst, int count); |
102 | static void step_1_continuation (struct continuation_arg *arg); | |
c906108c | 103 | |
a14ed312 | 104 | static void next_command (char *, int); |
c906108c | 105 | |
a14ed312 | 106 | static void step_command (char *, int); |
c906108c | 107 | |
a14ed312 | 108 | static void run_command (char *, int); |
c906108c | 109 | |
a14ed312 | 110 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 111 | |
a14ed312 | 112 | static void go_command (char *line_no, int from_tty); |
392a587b | 113 | |
a14ed312 | 114 | static int strip_bg_char (char **); |
43ff13b4 | 115 | |
a14ed312 | 116 | void _initialize_infcmd (void); |
c906108c SS |
117 | |
118 | #define GO_USAGE "Usage: go <location>\n" | |
119 | ||
c906108c SS |
120 | #define ERROR_NO_INFERIOR \ |
121 | if (!target_has_execution) error ("The program is not being run."); | |
122 | ||
123 | /* String containing arguments to give to the program, separated by spaces. | |
124 | Empty string (pointer to '\0') means no args. */ | |
125 | ||
126 | static char *inferior_args; | |
127 | ||
552c04a7 TT |
128 | /* The inferior arguments as a vector. If INFERIOR_ARGC is nonzero, |
129 | then we must compute INFERIOR_ARGS from this (via the target). */ | |
130 | ||
131 | static int inferior_argc; | |
132 | static char **inferior_argv; | |
133 | ||
c906108c SS |
134 | /* File name for default use for standard in/out in the inferior. */ |
135 | ||
136 | char *inferior_io_terminal; | |
137 | ||
138 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
139 | Since various parts of infrun.c test this to see whether there is a program | |
140 | being debugged it should be nonzero (currently 3 is used) for remote | |
141 | debugging. */ | |
142 | ||
39f77062 | 143 | ptid_t inferior_ptid; |
c906108c SS |
144 | |
145 | /* Last signal that the inferior received (why it stopped). */ | |
146 | ||
147 | enum target_signal stop_signal; | |
148 | ||
149 | /* Address at which inferior stopped. */ | |
150 | ||
151 | CORE_ADDR stop_pc; | |
152 | ||
153 | /* Chain containing status of breakpoint(s) that we have stopped at. */ | |
154 | ||
155 | bpstat stop_bpstat; | |
156 | ||
157 | /* Flag indicating that a command has proceeded the inferior past the | |
158 | current breakpoint. */ | |
159 | ||
160 | int breakpoint_proceeded; | |
161 | ||
162 | /* Nonzero if stopped due to a step command. */ | |
163 | ||
164 | int stop_step; | |
165 | ||
166 | /* Nonzero if stopped due to completion of a stack dummy routine. */ | |
167 | ||
168 | int stop_stack_dummy; | |
169 | ||
170 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
171 | process. */ | |
172 | ||
173 | int stopped_by_random_signal; | |
174 | ||
175 | /* Range to single step within. | |
176 | If this is nonzero, respond to a single-step signal | |
177 | by continuing to step if the pc is in this range. */ | |
178 | ||
c5aa993b JM |
179 | CORE_ADDR step_range_start; /* Inclusive */ |
180 | CORE_ADDR step_range_end; /* Exclusive */ | |
c906108c SS |
181 | |
182 | /* Stack frame address as of when stepping command was issued. | |
183 | This is how we know when we step into a subroutine call, | |
184 | and how to set the frame for the breakpoint used to step out. */ | |
185 | ||
aa0cd9c1 | 186 | struct frame_id step_frame_id; |
c906108c SS |
187 | |
188 | /* Our notion of the current stack pointer. */ | |
189 | ||
190 | CORE_ADDR step_sp; | |
191 | ||
5fbbeb29 | 192 | enum step_over_calls_kind step_over_calls; |
c906108c SS |
193 | |
194 | /* If stepping, nonzero means step count is > 1 | |
195 | so don't print frame next time inferior stops | |
196 | if it stops due to stepping. */ | |
197 | ||
198 | int step_multi; | |
199 | ||
200 | /* Environment to use for running inferior, | |
201 | in format described in environ.h. */ | |
202 | ||
203 | struct environ *inferior_environ; | |
c906108c | 204 | \f |
07091751 FN |
205 | /* Accessor routines. */ |
206 | ||
207 | char * | |
208 | get_inferior_args (void) | |
209 | { | |
552c04a7 TT |
210 | if (inferior_argc != 0) |
211 | { | |
212 | char *n, *old; | |
213 | ||
214 | n = gdbarch_construct_inferior_arguments (current_gdbarch, | |
215 | inferior_argc, inferior_argv); | |
216 | old = set_inferior_args (n); | |
217 | xfree (old); | |
218 | } | |
219 | ||
220 | if (inferior_args == NULL) | |
221 | inferior_args = xstrdup (""); | |
222 | ||
07091751 FN |
223 | return inferior_args; |
224 | } | |
225 | ||
226 | char * | |
227 | set_inferior_args (char *newargs) | |
228 | { | |
229 | char *saved_args = inferior_args; | |
230 | ||
231 | inferior_args = newargs; | |
552c04a7 TT |
232 | inferior_argc = 0; |
233 | inferior_argv = 0; | |
07091751 FN |
234 | |
235 | return saved_args; | |
236 | } | |
c5aa993b | 237 | |
552c04a7 TT |
238 | void |
239 | set_inferior_args_vector (int argc, char **argv) | |
240 | { | |
241 | inferior_argc = argc; | |
242 | inferior_argv = argv; | |
243 | } | |
244 | ||
245 | /* Notice when `set args' is run. */ | |
246 | static void | |
247 | notice_args_set (char *args, int from_tty, struct cmd_list_element *c) | |
248 | { | |
249 | inferior_argc = 0; | |
250 | inferior_argv = 0; | |
251 | } | |
252 | ||
253 | /* Notice when `show args' is run. */ | |
254 | static void | |
9f60d481 | 255 | notice_args_read (char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 TT |
256 | { |
257 | /* Might compute the value. */ | |
258 | get_inferior_args (); | |
259 | } | |
260 | ||
c2a727fa TT |
261 | \f |
262 | /* Compute command-line string given argument vector. This does the | |
263 | same shell processing as fork_inferior. */ | |
c2a727fa TT |
264 | char * |
265 | construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv) | |
266 | { | |
267 | char *result; | |
268 | ||
269 | if (STARTUP_WITH_SHELL) | |
270 | { | |
271 | /* This holds all the characters considered special to the | |
272 | typical Unix shells. We include `^' because the SunOS | |
273 | /bin/sh treats it as a synonym for `|'. */ | |
274 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
275 | int i; | |
276 | int length = 0; | |
277 | char *out, *cp; | |
278 | ||
279 | /* We over-compute the size. It shouldn't matter. */ | |
280 | for (i = 0; i < argc; ++i) | |
03c6228e | 281 | length += 2 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
282 | |
283 | result = (char *) xmalloc (length); | |
284 | out = result; | |
285 | ||
286 | for (i = 0; i < argc; ++i) | |
287 | { | |
288 | if (i > 0) | |
289 | *out++ = ' '; | |
290 | ||
03c6228e AS |
291 | /* Need to handle empty arguments specially. */ |
292 | if (argv[i][0] == '\0') | |
c2a727fa | 293 | { |
03c6228e AS |
294 | *out++ = '\''; |
295 | *out++ = '\''; | |
296 | } | |
297 | else | |
298 | { | |
299 | for (cp = argv[i]; *cp; ++cp) | |
300 | { | |
301 | if (strchr (special, *cp) != NULL) | |
302 | *out++ = '\\'; | |
303 | *out++ = *cp; | |
304 | } | |
c2a727fa TT |
305 | } |
306 | } | |
307 | *out = '\0'; | |
308 | } | |
309 | else | |
310 | { | |
311 | /* In this case we can't handle arguments that contain spaces, | |
312 | tabs, or newlines -- see breakup_args(). */ | |
313 | int i; | |
314 | int length = 0; | |
315 | ||
316 | for (i = 0; i < argc; ++i) | |
317 | { | |
318 | char *cp = strchr (argv[i], ' '); | |
319 | if (cp == NULL) | |
320 | cp = strchr (argv[i], '\t'); | |
321 | if (cp == NULL) | |
322 | cp = strchr (argv[i], '\n'); | |
323 | if (cp != NULL) | |
324 | error ("can't handle command-line argument containing whitespace"); | |
325 | length += strlen (argv[i]) + 1; | |
326 | } | |
327 | ||
328 | result = (char *) xmalloc (length); | |
329 | result[0] = '\0'; | |
330 | for (i = 0; i < argc; ++i) | |
331 | { | |
332 | if (i > 0) | |
333 | strcat (result, " "); | |
334 | strcat (result, argv[i]); | |
335 | } | |
336 | } | |
337 | ||
338 | return result; | |
339 | } | |
552c04a7 TT |
340 | \f |
341 | ||
43ff13b4 JM |
342 | /* This function detects whether or not a '&' character (indicating |
343 | background execution) has been added as *the last* of the arguments ARGS | |
344 | of a command. If it has, it removes it and returns 1. Otherwise it | |
345 | does nothing and returns 0. */ | |
c5aa993b | 346 | static int |
fba45db2 | 347 | strip_bg_char (char **args) |
43ff13b4 JM |
348 | { |
349 | char *p = NULL; | |
c5aa993b | 350 | |
9846de1b | 351 | p = strchr (*args, '&'); |
c5aa993b | 352 | |
9846de1b | 353 | if (p) |
43ff13b4 JM |
354 | { |
355 | if (p == (*args + strlen (*args) - 1)) | |
356 | { | |
c5aa993b | 357 | if (strlen (*args) > 1) |
43ff13b4 JM |
358 | { |
359 | do | |
360 | p--; | |
361 | while (*p == ' ' || *p == '\t'); | |
362 | *(p + 1) = '\0'; | |
363 | } | |
364 | else | |
365 | *args = 0; | |
366 | return 1; | |
367 | } | |
368 | } | |
369 | return 0; | |
370 | } | |
371 | ||
c906108c | 372 | void |
fba45db2 | 373 | tty_command (char *file, int from_tty) |
c906108c SS |
374 | { |
375 | if (file == 0) | |
376 | error_no_arg ("terminal name for running target process"); | |
377 | ||
378 | inferior_io_terminal = savestring (file, strlen (file)); | |
379 | } | |
380 | ||
381 | static void | |
fba45db2 | 382 | run_command (char *args, int from_tty) |
c906108c SS |
383 | { |
384 | char *exec_file; | |
385 | ||
386 | dont_repeat (); | |
387 | ||
39f77062 | 388 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 389 | { |
adf40b2e JM |
390 | if (from_tty |
391 | && !query ("The program being debugged has been started already.\n\ | |
c906108c SS |
392 | Start it from the beginning? ")) |
393 | error ("Program not restarted."); | |
394 | target_kill (); | |
395 | #if defined(SOLIB_RESTART) | |
396 | SOLIB_RESTART (); | |
397 | #endif | |
398 | init_wait_for_inferior (); | |
399 | } | |
400 | ||
401 | clear_breakpoint_hit_counts (); | |
402 | ||
c906108c SS |
403 | /* Purge old solib objfiles. */ |
404 | objfile_purge_solibs (); | |
405 | ||
406 | do_run_cleanups (NULL); | |
407 | ||
39ad761d JB |
408 | /* The comment here used to read, "The exec file is re-read every |
409 | time we do a generic_mourn_inferior, so we just have to worry | |
410 | about the symbol file." The `generic_mourn_inferior' function | |
411 | gets called whenever the program exits. However, suppose the | |
412 | program exits, and *then* the executable file changes? We need | |
413 | to check again here. Since reopen_exec_file doesn't do anything | |
414 | if the timestamp hasn't changed, I don't see the harm. */ | |
415 | reopen_exec_file (); | |
c906108c SS |
416 | reread_symbols (); |
417 | ||
39ad761d JB |
418 | exec_file = (char *) get_exec_file (0); |
419 | ||
c906108c SS |
420 | /* We keep symbols from add-symbol-file, on the grounds that the |
421 | user might want to add some symbols before running the program | |
422 | (right?). But sometimes (dynamic loading where the user manually | |
423 | introduces the new symbols with add-symbol-file), the code which | |
424 | the symbols describe does not persist between runs. Currently | |
425 | the user has to manually nuke all symbols between runs if they | |
426 | want them to go away (PR 2207). This is probably reasonable. */ | |
427 | ||
43ff13b4 | 428 | if (!args) |
6426a772 JM |
429 | { |
430 | if (event_loop_p && target_can_async_p ()) | |
431 | async_disable_stdin (); | |
432 | } | |
43ff13b4 | 433 | else |
c906108c | 434 | { |
43ff13b4 JM |
435 | int async_exec = strip_bg_char (&args); |
436 | ||
437 | /* If we get a request for running in the bg but the target | |
438 | doesn't support it, error out. */ | |
6426a772 | 439 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
440 | error ("Asynchronous execution not supported on this target."); |
441 | ||
442 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 443 | to simulate synchronous (fg) execution. */ |
6426a772 | 444 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
445 | { |
446 | /* Simulate synchronous execution */ | |
6426a772 | 447 | async_disable_stdin (); |
43ff13b4 JM |
448 | } |
449 | ||
450 | /* If there were other args, beside '&', process them. */ | |
451 | if (args) | |
452 | { | |
07091751 FN |
453 | char *old_args = set_inferior_args (xstrdup (args)); |
454 | xfree (old_args); | |
43ff13b4 | 455 | } |
c906108c SS |
456 | } |
457 | ||
458 | if (from_tty) | |
459 | { | |
8b93c638 JM |
460 | ui_out_field_string (uiout, NULL, "Starting program"); |
461 | ui_out_text (uiout, ": "); | |
462 | if (exec_file) | |
463 | ui_out_field_string (uiout, "execfile", exec_file); | |
464 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
465 | /* We call get_inferior_args() because we might need to compute |
466 | the value now. */ | |
467 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
468 | ui_out_text (uiout, "\n"); |
469 | ui_out_flush (uiout); | |
c906108c SS |
470 | } |
471 | ||
552c04a7 TT |
472 | /* We call get_inferior_args() because we might need to compute |
473 | the value now. */ | |
474 | target_create_inferior (exec_file, get_inferior_args (), | |
c906108c SS |
475 | environ_vector (inferior_environ)); |
476 | } | |
477 | ||
478 | ||
479 | static void | |
fba45db2 | 480 | run_no_args_command (char *args, int from_tty) |
c906108c | 481 | { |
07091751 FN |
482 | char *old_args = set_inferior_args (xstrdup ("")); |
483 | xfree (old_args); | |
c906108c | 484 | } |
c906108c | 485 | \f |
c5aa993b | 486 | |
c906108c | 487 | void |
fba45db2 | 488 | continue_command (char *proc_count_exp, int from_tty) |
c906108c | 489 | { |
c5aa993b | 490 | int async_exec = 0; |
c906108c SS |
491 | ERROR_NO_INFERIOR; |
492 | ||
43ff13b4 JM |
493 | /* Find out whether we must run in the background. */ |
494 | if (proc_count_exp != NULL) | |
495 | async_exec = strip_bg_char (&proc_count_exp); | |
496 | ||
497 | /* If we must run in the background, but the target can't do it, | |
498 | error out. */ | |
6426a772 | 499 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
500 | error ("Asynchronous execution not supported on this target."); |
501 | ||
502 | /* If we are not asked to run in the bg, then prepare to run in the | |
503 | foreground, synchronously. */ | |
6426a772 | 504 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 505 | { |
43ff13b4 | 506 | /* Simulate synchronous execution */ |
6426a772 | 507 | async_disable_stdin (); |
43ff13b4 | 508 | } |
c906108c | 509 | |
43ff13b4 JM |
510 | /* If have argument (besides '&'), set proceed count of breakpoint |
511 | we stopped at. */ | |
c906108c SS |
512 | if (proc_count_exp != NULL) |
513 | { | |
514 | bpstat bs = stop_bpstat; | |
515 | int num = bpstat_num (&bs); | |
516 | if (num == 0 && from_tty) | |
517 | { | |
518 | printf_filtered | |
519 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
520 | } | |
521 | while (num != 0) | |
522 | { | |
523 | set_ignore_count (num, | |
bb518678 | 524 | parse_and_eval_long (proc_count_exp) - 1, |
c906108c SS |
525 | from_tty); |
526 | /* set_ignore_count prints a message ending with a period. | |
527 | So print two spaces before "Continuing.". */ | |
528 | if (from_tty) | |
529 | printf_filtered (" "); | |
530 | num = bpstat_num (&bs); | |
531 | } | |
532 | } | |
533 | ||
534 | if (from_tty) | |
535 | printf_filtered ("Continuing.\n"); | |
536 | ||
537 | clear_proceed_status (); | |
538 | ||
2acceee2 | 539 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c SS |
540 | } |
541 | \f | |
542 | /* Step until outside of current statement. */ | |
543 | ||
c906108c | 544 | static void |
fba45db2 | 545 | step_command (char *count_string, int from_tty) |
c906108c SS |
546 | { |
547 | step_1 (0, 0, count_string); | |
548 | } | |
549 | ||
550 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
551 | ||
c906108c | 552 | static void |
fba45db2 | 553 | next_command (char *count_string, int from_tty) |
c906108c SS |
554 | { |
555 | step_1 (1, 0, count_string); | |
556 | } | |
557 | ||
558 | /* Likewise, but step only one instruction. */ | |
559 | ||
c906108c | 560 | void |
fba45db2 | 561 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
562 | { |
563 | step_1 (0, 1, count_string); | |
564 | } | |
565 | ||
c906108c | 566 | void |
fba45db2 | 567 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
568 | { |
569 | step_1 (1, 1, count_string); | |
570 | } | |
571 | ||
74b7792f AC |
572 | static void |
573 | disable_longjmp_breakpoint_cleanup (void *ignore) | |
574 | { | |
575 | disable_longjmp_breakpoint (); | |
576 | } | |
577 | ||
c906108c | 578 | static void |
fba45db2 | 579 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 580 | { |
52f0bd74 | 581 | int count = 1; |
c906108c SS |
582 | struct frame_info *frame; |
583 | struct cleanup *cleanups = 0; | |
43ff13b4 | 584 | int async_exec = 0; |
c5aa993b | 585 | |
c906108c | 586 | ERROR_NO_INFERIOR; |
43ff13b4 JM |
587 | |
588 | if (count_string) | |
589 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 590 | |
43ff13b4 JM |
591 | /* If we get a request for running in the bg but the target |
592 | doesn't support it, error out. */ | |
6426a772 | 593 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
594 | error ("Asynchronous execution not supported on this target."); |
595 | ||
596 | /* If we don't get a request of running in the bg, then we need | |
597 | to simulate synchronous (fg) execution. */ | |
6426a772 | 598 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
599 | { |
600 | /* Simulate synchronous execution */ | |
6426a772 | 601 | async_disable_stdin (); |
43ff13b4 JM |
602 | } |
603 | ||
bb518678 | 604 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 605 | |
c5aa993b | 606 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 607 | { |
c5aa993b | 608 | enable_longjmp_breakpoint (); |
c2d11a7d | 609 | if (!event_loop_p || !target_can_async_p ()) |
74b7792f | 610 | cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d | 611 | else |
74b7792f | 612 | make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d JM |
613 | } |
614 | ||
615 | /* In synchronous case, all is well, just use the regular for loop. */ | |
616 | if (!event_loop_p || !target_can_async_p ()) | |
617 | { | |
618 | for (; count > 0; count--) | |
619 | { | |
620 | clear_proceed_status (); | |
621 | ||
622 | frame = get_current_frame (); | |
623 | if (!frame) /* Avoid coredump here. Why tho? */ | |
624 | error ("No current frame"); | |
aa0cd9c1 | 625 | step_frame_id = get_frame_id (frame); |
c2d11a7d JM |
626 | step_sp = read_sp (); |
627 | ||
628 | if (!single_inst) | |
629 | { | |
630 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
631 | if (step_range_end == 0) | |
632 | { | |
633 | char *name; | |
634 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
635 | &step_range_end) == 0) | |
636 | error ("Cannot find bounds of current function"); | |
637 | ||
638 | target_terminal_ours (); | |
639 | printf_filtered ("\ | |
640 | Single stepping until exit from function %s, \n\ | |
641 | which has no line number information.\n", name); | |
642 | } | |
643 | } | |
644 | else | |
645 | { | |
646 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
647 | step_range_start = step_range_end = 1; | |
648 | if (!skip_subroutines) | |
649 | /* It is stepi. | |
650 | Don't step over function calls, not even to functions lacking | |
651 | line numbers. */ | |
5fbbeb29 | 652 | step_over_calls = STEP_OVER_NONE; |
c2d11a7d JM |
653 | } |
654 | ||
655 | if (skip_subroutines) | |
5fbbeb29 | 656 | step_over_calls = STEP_OVER_ALL; |
c2d11a7d JM |
657 | |
658 | step_multi = (count > 1); | |
659 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
660 | ||
661 | if (!stop_step) | |
662 | break; | |
663 | ||
664 | /* FIXME: On nexti, this may have already been done (when we hit the | |
665 | step resume break, I think). Probably this should be moved to | |
666 | wait_for_inferior (near the top). */ | |
667 | #if defined (SHIFT_INST_REGS) | |
668 | SHIFT_INST_REGS (); | |
669 | #endif | |
670 | } | |
671 | ||
672 | if (!single_inst || skip_subroutines) | |
673 | do_cleanups (cleanups); | |
674 | return; | |
675 | } | |
676 | /* In case of asynchronous target things get complicated, do only | |
677 | one step for now, before returning control to the event loop. Let | |
678 | the continuation figure out how many other steps we need to do, | |
679 | and handle them one at the time, through step_once(). */ | |
680 | else | |
681 | { | |
682 | if (event_loop_p && target_can_async_p ()) | |
683 | step_once (skip_subroutines, single_inst, count); | |
c906108c | 684 | } |
c2d11a7d | 685 | } |
c906108c | 686 | |
c2d11a7d JM |
687 | /* Called after we are done with one step operation, to check whether |
688 | we need to step again, before we print the prompt and return control | |
689 | to the user. If count is > 1, we will need to do one more call to | |
690 | proceed(), via step_once(). Basically it is like step_once and | |
691 | step_1_continuation are co-recursive. */ | |
692 | static void | |
fba45db2 | 693 | step_1_continuation (struct continuation_arg *arg) |
c2d11a7d | 694 | { |
57e687d9 MS |
695 | int count; |
696 | int skip_subroutines; | |
697 | int single_inst; | |
698 | ||
699 | skip_subroutines = arg->data.integer; | |
700 | single_inst = arg->next->data.integer; | |
701 | count = arg->next->next->data.integer; | |
702 | ||
703 | if (stop_step) | |
704 | { | |
705 | /* FIXME: On nexti, this may have already been done (when we hit the | |
706 | step resume break, I think). Probably this should be moved to | |
707 | wait_for_inferior (near the top). */ | |
c2d11a7d | 708 | #if defined (SHIFT_INST_REGS) |
57e687d9 | 709 | SHIFT_INST_REGS (); |
c2d11a7d | 710 | #endif |
57e687d9 MS |
711 | step_once (skip_subroutines, single_inst, count - 1); |
712 | } | |
713 | else | |
714 | if (!single_inst || skip_subroutines) | |
715 | do_exec_cleanups (ALL_CLEANUPS); | |
c2d11a7d JM |
716 | } |
717 | ||
718 | /* Do just one step operation. If count >1 we will have to set up a | |
719 | continuation to be done after the target stops (after this one | |
720 | step). This is useful to implement the 'step n' kind of commands, in | |
721 | case of asynchronous targets. We had to split step_1 into two parts, | |
722 | one to be done before proceed() and one afterwards. This function is | |
723 | called in case of step n with n>1, after the first step operation has | |
724 | been completed.*/ | |
725 | static void | |
0d06e24b | 726 | step_once (int skip_subroutines, int single_inst, int count) |
c2d11a7d | 727 | { |
0d06e24b JM |
728 | struct continuation_arg *arg1; |
729 | struct continuation_arg *arg2; | |
730 | struct continuation_arg *arg3; | |
731 | struct frame_info *frame; | |
c2d11a7d JM |
732 | |
733 | if (count > 0) | |
c906108c SS |
734 | { |
735 | clear_proceed_status (); | |
736 | ||
737 | frame = get_current_frame (); | |
c5aa993b | 738 | if (!frame) /* Avoid coredump here. Why tho? */ |
c906108c | 739 | error ("No current frame"); |
aa0cd9c1 | 740 | step_frame_id = get_frame_id (frame); |
c906108c SS |
741 | step_sp = read_sp (); |
742 | ||
c5aa993b | 743 | if (!single_inst) |
c906108c SS |
744 | { |
745 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
5fbbeb29 CF |
746 | |
747 | /* If we have no line info, switch to stepi mode. */ | |
748 | if (step_range_end == 0 && step_stop_if_no_debug) | |
749 | { | |
750 | step_range_start = step_range_end = 1; | |
751 | } | |
752 | else if (step_range_end == 0) | |
c906108c SS |
753 | { |
754 | char *name; | |
755 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
756 | &step_range_end) == 0) | |
757 | error ("Cannot find bounds of current function"); | |
758 | ||
759 | target_terminal_ours (); | |
760 | printf_filtered ("\ | |
761 | Single stepping until exit from function %s, \n\ | |
762 | which has no line number information.\n", name); | |
763 | } | |
764 | } | |
765 | else | |
766 | { | |
767 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
768 | step_range_start = step_range_end = 1; | |
769 | if (!skip_subroutines) | |
770 | /* It is stepi. | |
771 | Don't step over function calls, not even to functions lacking | |
772 | line numbers. */ | |
5fbbeb29 | 773 | step_over_calls = STEP_OVER_NONE; |
c906108c SS |
774 | } |
775 | ||
776 | if (skip_subroutines) | |
5fbbeb29 | 777 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
778 | |
779 | step_multi = (count > 1); | |
c2d11a7d JM |
780 | arg1 = |
781 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
782 | arg2 = | |
783 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
784 | arg3 = | |
785 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
786 | arg1->next = arg2; | |
57e687d9 | 787 | arg1->data.integer = skip_subroutines; |
c2d11a7d | 788 | arg2->next = arg3; |
57e687d9 | 789 | arg2->data.integer = single_inst; |
c2d11a7d | 790 | arg3->next = NULL; |
57e687d9 | 791 | arg3->data.integer = count; |
c2d11a7d | 792 | add_intermediate_continuation (step_1_continuation, arg1); |
2acceee2 | 793 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c | 794 | } |
c906108c | 795 | } |
c2d11a7d | 796 | |
c906108c SS |
797 | \f |
798 | /* Continue program at specified address. */ | |
799 | ||
800 | static void | |
fba45db2 | 801 | jump_command (char *arg, int from_tty) |
c906108c | 802 | { |
52f0bd74 | 803 | CORE_ADDR addr; |
c906108c SS |
804 | struct symtabs_and_lines sals; |
805 | struct symtab_and_line sal; | |
806 | struct symbol *fn; | |
807 | struct symbol *sfn; | |
43ff13b4 | 808 | int async_exec = 0; |
c5aa993b | 809 | |
c906108c SS |
810 | ERROR_NO_INFERIOR; |
811 | ||
43ff13b4 JM |
812 | /* Find out whether we must run in the background. */ |
813 | if (arg != NULL) | |
814 | async_exec = strip_bg_char (&arg); | |
815 | ||
816 | /* If we must run in the background, but the target can't do it, | |
817 | error out. */ | |
6426a772 | 818 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
819 | error ("Asynchronous execution not supported on this target."); |
820 | ||
821 | /* If we are not asked to run in the bg, then prepare to run in the | |
822 | foreground, synchronously. */ | |
6426a772 | 823 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 824 | { |
43ff13b4 | 825 | /* Simulate synchronous execution */ |
6426a772 | 826 | async_disable_stdin (); |
43ff13b4 JM |
827 | } |
828 | ||
c906108c SS |
829 | if (!arg) |
830 | error_no_arg ("starting address"); | |
831 | ||
832 | sals = decode_line_spec_1 (arg, 1); | |
833 | if (sals.nelts != 1) | |
834 | { | |
835 | error ("Unreasonable jump request"); | |
836 | } | |
837 | ||
838 | sal = sals.sals[0]; | |
b8c9b27d | 839 | xfree (sals.sals); |
c906108c SS |
840 | |
841 | if (sal.symtab == 0 && sal.pc == 0) | |
842 | error ("No source file has been specified."); | |
843 | ||
c5aa993b | 844 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
845 | |
846 | /* See if we are trying to jump to another function. */ | |
847 | fn = get_frame_function (get_current_frame ()); | |
848 | sfn = find_pc_function (sal.pc); | |
849 | if (fn != NULL && sfn != fn) | |
850 | { | |
851 | if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line, | |
de5ad195 | 852 | SYMBOL_PRINT_NAME (fn))) |
c906108c SS |
853 | { |
854 | error ("Not confirmed."); | |
855 | /* NOTREACHED */ | |
856 | } | |
857 | } | |
858 | ||
c5aa993b | 859 | if (sfn != NULL) |
c906108c SS |
860 | { |
861 | fixup_symbol_section (sfn, 0); | |
c5aa993b | 862 | if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) && |
c906108c SS |
863 | !section_is_mapped (SYMBOL_BFD_SECTION (sfn))) |
864 | { | |
865 | if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? ")) | |
866 | { | |
867 | error ("Not confirmed."); | |
868 | /* NOTREACHED */ | |
869 | } | |
870 | } | |
871 | } | |
872 | ||
c906108c SS |
873 | addr = sal.pc; |
874 | ||
875 | if (from_tty) | |
876 | { | |
877 | printf_filtered ("Continuing at "); | |
878 | print_address_numeric (addr, 1, gdb_stdout); | |
879 | printf_filtered (".\n"); | |
880 | } | |
881 | ||
882 | clear_proceed_status (); | |
883 | proceed (addr, TARGET_SIGNAL_0, 0); | |
884 | } | |
c906108c | 885 | \f |
c5aa993b | 886 | |
c906108c SS |
887 | /* Go to line or address in current procedure */ |
888 | static void | |
fba45db2 | 889 | go_command (char *line_no, int from_tty) |
c906108c | 890 | { |
c5aa993b | 891 | if (line_no == (char *) NULL || !*line_no) |
b83266a0 | 892 | printf_filtered (GO_USAGE); |
c906108c SS |
893 | else |
894 | { | |
b83266a0 SS |
895 | tbreak_command (line_no, from_tty); |
896 | jump_command (line_no, from_tty); | |
c906108c SS |
897 | } |
898 | } | |
c906108c | 899 | \f |
c5aa993b | 900 | |
c906108c SS |
901 | /* Continue program giving it specified signal. */ |
902 | ||
903 | static void | |
fba45db2 | 904 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
905 | { |
906 | enum target_signal oursig; | |
907 | ||
908 | dont_repeat (); /* Too dangerous. */ | |
909 | ERROR_NO_INFERIOR; | |
910 | ||
911 | if (!signum_exp) | |
912 | error_no_arg ("signal number"); | |
913 | ||
914 | /* It would be even slicker to make signal names be valid expressions, | |
915 | (the type could be "enum $signal" or some such), then the user could | |
916 | assign them to convenience variables. */ | |
917 | oursig = target_signal_from_name (signum_exp); | |
918 | ||
919 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
920 | { | |
921 | /* No, try numeric. */ | |
bb518678 | 922 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
923 | |
924 | if (num == 0) | |
925 | oursig = TARGET_SIGNAL_0; | |
926 | else | |
927 | oursig = target_signal_from_command (num); | |
928 | } | |
929 | ||
930 | if (from_tty) | |
931 | { | |
932 | if (oursig == TARGET_SIGNAL_0) | |
933 | printf_filtered ("Continuing with no signal.\n"); | |
934 | else | |
935 | printf_filtered ("Continuing with signal %s.\n", | |
936 | target_signal_to_name (oursig)); | |
937 | } | |
938 | ||
939 | clear_proceed_status (); | |
940 | /* "signal 0" should not get stuck if we are stopped at a breakpoint. | |
941 | FIXME: Neither should "signal foo" but when I tried passing | |
942 | (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't | |
943 | tried to track down yet. */ | |
2acceee2 | 944 | proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0); |
c906108c SS |
945 | } |
946 | ||
c906108c SS |
947 | /* Proceed until we reach a different source line with pc greater than |
948 | our current one or exit the function. We skip calls in both cases. | |
949 | ||
950 | Note that eventually this command should probably be changed so | |
951 | that only source lines are printed out when we hit the breakpoint | |
952 | we set. This may involve changes to wait_for_inferior and the | |
953 | proceed status code. */ | |
954 | ||
c906108c | 955 | static void |
fba45db2 | 956 | until_next_command (int from_tty) |
c906108c SS |
957 | { |
958 | struct frame_info *frame; | |
959 | CORE_ADDR pc; | |
960 | struct symbol *func; | |
961 | struct symtab_and_line sal; | |
c5aa993b | 962 | |
c906108c SS |
963 | clear_proceed_status (); |
964 | ||
965 | frame = get_current_frame (); | |
966 | ||
967 | /* Step until either exited from this function or greater | |
968 | than the current line (if in symbolic section) or pc (if | |
969 | not). */ | |
970 | ||
971 | pc = read_pc (); | |
972 | func = find_pc_function (pc); | |
c5aa993b | 973 | |
c906108c SS |
974 | if (!func) |
975 | { | |
976 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 977 | |
c906108c SS |
978 | if (msymbol == NULL) |
979 | error ("Execution is not within a known function."); | |
c5aa993b | 980 | |
c906108c SS |
981 | step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
982 | step_range_end = pc; | |
983 | } | |
984 | else | |
985 | { | |
986 | sal = find_pc_line (pc, 0); | |
c5aa993b | 987 | |
c906108c SS |
988 | step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
989 | step_range_end = sal.end; | |
990 | } | |
c5aa993b | 991 | |
5fbbeb29 | 992 | step_over_calls = STEP_OVER_ALL; |
aa0cd9c1 | 993 | step_frame_id = get_frame_id (frame); |
c906108c SS |
994 | step_sp = read_sp (); |
995 | ||
996 | step_multi = 0; /* Only one call to proceed */ | |
c5aa993b | 997 | |
2acceee2 | 998 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
999 | } |
1000 | ||
c5aa993b | 1001 | static void |
fba45db2 | 1002 | until_command (char *arg, int from_tty) |
c906108c | 1003 | { |
43ff13b4 JM |
1004 | int async_exec = 0; |
1005 | ||
c906108c SS |
1006 | if (!target_has_execution) |
1007 | error ("The program is not running."); | |
43ff13b4 JM |
1008 | |
1009 | /* Find out whether we must run in the background. */ | |
1010 | if (arg != NULL) | |
1011 | async_exec = strip_bg_char (&arg); | |
1012 | ||
1013 | /* If we must run in the background, but the target can't do it, | |
1014 | error out. */ | |
6426a772 | 1015 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1016 | error ("Asynchronous execution not supported on this target."); |
1017 | ||
1018 | /* If we are not asked to run in the bg, then prepare to run in the | |
1019 | foreground, synchronously. */ | |
6426a772 | 1020 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1021 | { |
43ff13b4 | 1022 | /* Simulate synchronous execution */ |
6426a772 | 1023 | async_disable_stdin (); |
43ff13b4 JM |
1024 | } |
1025 | ||
c906108c | 1026 | if (arg) |
ae66c1fc | 1027 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1028 | else |
1029 | until_next_command (from_tty); | |
1030 | } | |
ae66c1fc EZ |
1031 | |
1032 | static void | |
1033 | advance_command (char *arg, int from_tty) | |
1034 | { | |
1035 | int async_exec = 0; | |
1036 | ||
1037 | if (!target_has_execution) | |
1038 | error ("The program is not running."); | |
1039 | ||
1040 | if (arg == NULL) | |
1041 | error_no_arg ("a location"); | |
1042 | ||
1043 | /* Find out whether we must run in the background. */ | |
1044 | if (arg != NULL) | |
1045 | async_exec = strip_bg_char (&arg); | |
1046 | ||
1047 | /* If we must run in the background, but the target can't do it, | |
1048 | error out. */ | |
1049 | if (event_loop_p && async_exec && !target_can_async_p ()) | |
1050 | error ("Asynchronous execution not supported on this target."); | |
1051 | ||
1052 | /* If we are not asked to run in the bg, then prepare to run in the | |
1053 | foreground, synchronously. */ | |
1054 | if (event_loop_p && !async_exec && target_can_async_p ()) | |
1055 | { | |
1056 | /* Simulate synchronous execution. */ | |
1057 | async_disable_stdin (); | |
1058 | } | |
1059 | ||
1060 | until_break_command (arg, from_tty, 1); | |
1061 | } | |
c906108c | 1062 | \f |
43ff13b4 | 1063 | |
11cf8741 JM |
1064 | /* Print the result of a function at the end of a 'finish' command. */ |
1065 | static void | |
1066 | print_return_value (int structure_return, struct type *value_type) | |
1067 | { | |
3d6d86c6 | 1068 | struct value *value; |
8b93c638 | 1069 | static struct ui_stream *stb = NULL; |
11cf8741 JM |
1070 | |
1071 | if (!structure_return) | |
1072 | { | |
4e7d7511 | 1073 | value = value_being_returned (value_type, stop_registers, structure_return); |
8b93c638 JM |
1074 | stb = ui_out_stream_new (uiout); |
1075 | ui_out_text (uiout, "Value returned is "); | |
4e7d7511 | 1076 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value)); |
9549d9c1 | 1077 | ui_out_text (uiout, " = "); |
8b93c638 JM |
1078 | value_print (value, stb->stream, 0, Val_no_prettyprint); |
1079 | ui_out_field_stream (uiout, "return-value", stb); | |
1080 | ui_out_text (uiout, "\n"); | |
11cf8741 JM |
1081 | } |
1082 | else | |
1083 | { | |
4e7d7511 MS |
1084 | /* We cannot determine the contents of the structure because |
1085 | it is on the stack, and we don't know where, since we did not | |
1086 | initiate the call, as opposed to the call_function_by_hand case */ | |
11cf8741 JM |
1087 | #ifdef VALUE_RETURNED_FROM_STACK |
1088 | value = 0; | |
8b93c638 JM |
1089 | ui_out_text (uiout, "Value returned has type: "); |
1090 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); | |
1091 | ui_out_text (uiout, "."); | |
1092 | ui_out_text (uiout, " Cannot determine contents\n"); | |
11cf8741 | 1093 | #else |
4e7d7511 | 1094 | value = value_being_returned (value_type, stop_registers, structure_return); |
8b93c638 JM |
1095 | stb = ui_out_stream_new (uiout); |
1096 | ui_out_text (uiout, "Value returned is "); | |
4e7d7511 | 1097 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value)); |
28ae27b1 | 1098 | ui_out_text (uiout, " = "); |
8b93c638 JM |
1099 | value_print (value, stb->stream, 0, Val_no_prettyprint); |
1100 | ui_out_field_stream (uiout, "return-value", stb); | |
1101 | ui_out_text (uiout, "\n"); | |
11cf8741 JM |
1102 | #endif |
1103 | } | |
1104 | } | |
1105 | ||
43ff13b4 JM |
1106 | /* Stuff that needs to be done by the finish command after the target |
1107 | has stopped. In asynchronous mode, we wait for the target to stop in | |
1108 | the call to poll or select in the event loop, so it is impossible to | |
1109 | do all the stuff as part of the finish_command function itself. The | |
1110 | only chance we have to complete this command is in | |
1111 | fetch_inferior_event, which is called by the event loop as soon as it | |
1112 | detects that the target has stopped. This function is called via the | |
6953f3ba | 1113 | cmd_continuation pointer. */ |
43ff13b4 | 1114 | void |
fba45db2 | 1115 | finish_command_continuation (struct continuation_arg *arg) |
43ff13b4 | 1116 | { |
52f0bd74 | 1117 | struct symbol *function; |
43ff13b4 | 1118 | struct breakpoint *breakpoint; |
0d06e24b | 1119 | struct cleanup *cleanups; |
c5aa993b | 1120 | |
57e687d9 MS |
1121 | breakpoint = (struct breakpoint *) arg->data.pointer; |
1122 | function = (struct symbol *) arg->next->data.pointer; | |
1123 | cleanups = (struct cleanup *) arg->next->next->data.pointer; | |
43ff13b4 | 1124 | |
c5aa993b | 1125 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
43ff13b4 JM |
1126 | && function != 0) |
1127 | { | |
1128 | struct type *value_type; | |
43ff13b4 JM |
1129 | CORE_ADDR funcaddr; |
1130 | int struct_return; | |
1131 | ||
1132 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1133 | if (!value_type) | |
8e65ff28 AC |
1134 | internal_error (__FILE__, __LINE__, |
1135 | "finish_command: function has no target type"); | |
c5aa993b | 1136 | |
43ff13b4 JM |
1137 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1138 | { | |
0d06e24b | 1139 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1140 | return; |
1141 | } | |
1142 | ||
1143 | funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); | |
1144 | ||
48436ce6 | 1145 | struct_return = using_struct_return (check_typedef (value_type), |
11cf8741 | 1146 | BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))); |
43ff13b4 | 1147 | |
11cf8741 | 1148 | print_return_value (struct_return, value_type); |
43ff13b4 | 1149 | } |
0d06e24b | 1150 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1151 | } |
1152 | ||
c906108c SS |
1153 | /* "finish": Set a temporary breakpoint at the place |
1154 | the selected frame will return to, then continue. */ | |
1155 | ||
1156 | static void | |
fba45db2 | 1157 | finish_command (char *arg, int from_tty) |
c906108c SS |
1158 | { |
1159 | struct symtab_and_line sal; | |
52f0bd74 AC |
1160 | struct frame_info *frame; |
1161 | struct symbol *function; | |
c906108c SS |
1162 | struct breakpoint *breakpoint; |
1163 | struct cleanup *old_chain; | |
0d06e24b | 1164 | struct continuation_arg *arg1, *arg2, *arg3; |
43ff13b4 JM |
1165 | |
1166 | int async_exec = 0; | |
1167 | ||
1168 | /* Find out whether we must run in the background. */ | |
1169 | if (arg != NULL) | |
1170 | async_exec = strip_bg_char (&arg); | |
1171 | ||
1172 | /* If we must run in the background, but the target can't do it, | |
1173 | error out. */ | |
6426a772 | 1174 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1175 | error ("Asynchronous execution not supported on this target."); |
1176 | ||
1177 | /* If we are not asked to run in the bg, then prepare to run in the | |
1178 | foreground, synchronously. */ | |
6426a772 | 1179 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1180 | { |
43ff13b4 | 1181 | /* Simulate synchronous execution */ |
6426a772 | 1182 | async_disable_stdin (); |
43ff13b4 | 1183 | } |
c906108c SS |
1184 | |
1185 | if (arg) | |
1186 | error ("The \"finish\" command does not take any arguments."); | |
1187 | if (!target_has_execution) | |
1188 | error ("The program is not running."); | |
6e7f8b9c | 1189 | if (deprecated_selected_frame == NULL) |
c906108c SS |
1190 | error ("No selected frame."); |
1191 | ||
6e7f8b9c | 1192 | frame = get_prev_frame (deprecated_selected_frame); |
c906108c SS |
1193 | if (frame == 0) |
1194 | error ("\"finish\" not meaningful in the outermost frame."); | |
1195 | ||
1196 | clear_proceed_status (); | |
1197 | ||
bdd78e62 AC |
1198 | sal = find_pc_line (get_frame_pc (frame), 0); |
1199 | sal.pc = get_frame_pc (frame); | |
c906108c | 1200 | |
818dd999 | 1201 | breakpoint = set_momentary_breakpoint (sal, get_frame_id (frame), bp_finish); |
c906108c | 1202 | |
6426a772 | 1203 | if (!event_loop_p || !target_can_async_p ()) |
4d6140d9 | 1204 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
43ff13b4 | 1205 | else |
4d6140d9 | 1206 | old_chain = make_exec_cleanup_delete_breakpoint (breakpoint); |
c906108c SS |
1207 | |
1208 | /* Find the function we will return from. */ | |
1209 | ||
bdd78e62 | 1210 | function = find_pc_function (get_frame_pc (deprecated_selected_frame)); |
c906108c SS |
1211 | |
1212 | /* Print info on the selected frame, including level number | |
1213 | but not source. */ | |
1214 | if (from_tty) | |
1215 | { | |
1216 | printf_filtered ("Run till exit from "); | |
6e7f8b9c AC |
1217 | print_stack_frame (deprecated_selected_frame, |
1218 | frame_relative_level (deprecated_selected_frame), 0); | |
c906108c SS |
1219 | } |
1220 | ||
43ff13b4 JM |
1221 | /* If running asynchronously and the target support asynchronous |
1222 | execution, set things up for the rest of the finish command to be | |
1223 | completed later on, when gdb has detected that the target has | |
1224 | stopped, in fetch_inferior_event. */ | |
6426a772 | 1225 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1226 | { |
c5aa993b | 1227 | arg1 = |
43ff13b4 | 1228 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
c5aa993b | 1229 | arg2 = |
43ff13b4 | 1230 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
0d06e24b JM |
1231 | arg3 = |
1232 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
43ff13b4 | 1233 | arg1->next = arg2; |
0d06e24b JM |
1234 | arg2->next = arg3; |
1235 | arg3->next = NULL; | |
57e687d9 MS |
1236 | arg1->data.pointer = breakpoint; |
1237 | arg2->data.pointer = function; | |
1238 | arg3->data.pointer = old_chain; | |
43ff13b4 JM |
1239 | add_continuation (finish_command_continuation, arg1); |
1240 | } | |
1241 | ||
c5aa993b | 1242 | proceed_to_finish = 1; /* We want stop_registers, please... */ |
2acceee2 | 1243 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c | 1244 | |
43ff13b4 JM |
1245 | /* Do this only if not running asynchronously or if the target |
1246 | cannot do async execution. Otherwise, complete this command when | |
c5aa993b | 1247 | the target actually stops, in fetch_inferior_event. */ |
6426a772 | 1248 | if (!event_loop_p || !target_can_async_p ()) |
c5aa993b JM |
1249 | { |
1250 | ||
1251 | /* Did we stop at our breakpoint? */ | |
1252 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL | |
1253 | && function != 0) | |
1254 | { | |
1255 | struct type *value_type; | |
c5aa993b JM |
1256 | CORE_ADDR funcaddr; |
1257 | int struct_return; | |
1258 | ||
1259 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1260 | if (!value_type) | |
8e65ff28 AC |
1261 | internal_error (__FILE__, __LINE__, |
1262 | "finish_command: function has no target type"); | |
c5aa993b JM |
1263 | |
1264 | /* FIXME: Shouldn't we do the cleanups before returning? */ | |
1265 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) | |
1266 | return; | |
1267 | ||
1268 | funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); | |
1269 | ||
1270 | struct_return = | |
48436ce6 | 1271 | using_struct_return (check_typedef (value_type), |
c5aa993b JM |
1272 | BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))); |
1273 | ||
11cf8741 | 1274 | print_return_value (struct_return, value_type); |
c5aa993b JM |
1275 | } |
1276 | do_cleanups (old_chain); | |
1277 | } | |
c906108c SS |
1278 | } |
1279 | \f | |
c906108c | 1280 | static void |
fba45db2 | 1281 | program_info (char *args, int from_tty) |
c906108c SS |
1282 | { |
1283 | bpstat bs = stop_bpstat; | |
1284 | int num = bpstat_num (&bs); | |
c5aa993b | 1285 | |
c906108c SS |
1286 | if (!target_has_execution) |
1287 | { | |
1288 | printf_filtered ("The program being debugged is not being run.\n"); | |
1289 | return; | |
1290 | } | |
1291 | ||
1292 | target_files_info (); | |
1293 | printf_filtered ("Program stopped at %s.\n", | |
c5aa993b | 1294 | local_hex_string ((unsigned long) stop_pc)); |
c906108c SS |
1295 | if (stop_step) |
1296 | printf_filtered ("It stopped after being stepped.\n"); | |
1297 | else if (num != 0) | |
1298 | { | |
1299 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1300 | isn't as strange as it seems. */ |
c906108c SS |
1301 | while (num != 0) |
1302 | { | |
1303 | if (num < 0) | |
1304 | { | |
1305 | printf_filtered ("It stopped at a breakpoint that has "); | |
1306 | printf_filtered ("since been deleted.\n"); | |
1307 | } | |
1308 | else | |
1309 | printf_filtered ("It stopped at breakpoint %d.\n", num); | |
1310 | num = bpstat_num (&bs); | |
1311 | } | |
1312 | } | |
1313 | else if (stop_signal != TARGET_SIGNAL_0) | |
1314 | { | |
1315 | printf_filtered ("It stopped with signal %s, %s.\n", | |
1316 | target_signal_to_name (stop_signal), | |
1317 | target_signal_to_string (stop_signal)); | |
1318 | } | |
1319 | ||
1320 | if (!from_tty) | |
1321 | { | |
1322 | printf_filtered ("Type \"info stack\" or \"info registers\" "); | |
1323 | printf_filtered ("for more information.\n"); | |
1324 | } | |
1325 | } | |
1326 | \f | |
1327 | static void | |
fba45db2 | 1328 | environment_info (char *var, int from_tty) |
c906108c SS |
1329 | { |
1330 | if (var) | |
1331 | { | |
aa1ee363 | 1332 | char *val = get_in_environ (inferior_environ, var); |
c906108c SS |
1333 | if (val) |
1334 | { | |
1335 | puts_filtered (var); | |
1336 | puts_filtered (" = "); | |
1337 | puts_filtered (val); | |
1338 | puts_filtered ("\n"); | |
1339 | } | |
1340 | else | |
1341 | { | |
1342 | puts_filtered ("Environment variable \""); | |
1343 | puts_filtered (var); | |
1344 | puts_filtered ("\" not defined.\n"); | |
1345 | } | |
1346 | } | |
1347 | else | |
1348 | { | |
aa1ee363 | 1349 | char **vector = environ_vector (inferior_environ); |
c906108c SS |
1350 | while (*vector) |
1351 | { | |
1352 | puts_filtered (*vector++); | |
1353 | puts_filtered ("\n"); | |
1354 | } | |
1355 | } | |
1356 | } | |
1357 | ||
1358 | static void | |
fba45db2 | 1359 | set_environment_command (char *arg, int from_tty) |
c906108c | 1360 | { |
52f0bd74 | 1361 | char *p, *val, *var; |
c906108c SS |
1362 | int nullset = 0; |
1363 | ||
1364 | if (arg == 0) | |
1365 | error_no_arg ("environment variable and value"); | |
1366 | ||
1367 | /* Find seperation between variable name and value */ | |
1368 | p = (char *) strchr (arg, '='); | |
1369 | val = (char *) strchr (arg, ' '); | |
1370 | ||
1371 | if (p != 0 && val != 0) | |
1372 | { | |
1373 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1374 | equals, walk forward over the spaces til we see a nonspace |
1375 | (possibly the equals). */ | |
c906108c SS |
1376 | if (p > val) |
1377 | while (*val == ' ') | |
1378 | val++; | |
1379 | ||
1380 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1381 | take the char following the spaces. */ |
c906108c SS |
1382 | if (p > val) |
1383 | p = val - 1; | |
1384 | } | |
1385 | else if (val != 0 && p == 0) | |
1386 | p = val; | |
1387 | ||
1388 | if (p == arg) | |
1389 | error_no_arg ("environment variable to set"); | |
1390 | ||
1391 | if (p == 0 || p[1] == 0) | |
1392 | { | |
1393 | nullset = 1; | |
1394 | if (p == 0) | |
1395 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1396 | } | |
1397 | else | |
1398 | { | |
1399 | /* Not setting variable value to null */ | |
1400 | val = p + 1; | |
1401 | while (*val == ' ' || *val == '\t') | |
1402 | val++; | |
1403 | } | |
1404 | ||
c5aa993b JM |
1405 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1406 | p--; | |
c906108c SS |
1407 | |
1408 | var = savestring (arg, p - arg); | |
1409 | if (nullset) | |
1410 | { | |
1411 | printf_filtered ("Setting environment variable "); | |
1412 | printf_filtered ("\"%s\" to null value.\n", var); | |
1413 | set_in_environ (inferior_environ, var, ""); | |
1414 | } | |
1415 | else | |
1416 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1417 | xfree (var); |
c906108c SS |
1418 | } |
1419 | ||
1420 | static void | |
fba45db2 | 1421 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1422 | { |
1423 | if (var == 0) | |
1424 | { | |
1425 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1426 | Ask for confirmation if reading from the terminal. */ |
c906108c SS |
1427 | if (!from_tty || query ("Delete all environment variables? ")) |
1428 | { | |
1429 | free_environ (inferior_environ); | |
1430 | inferior_environ = make_environ (); | |
1431 | } | |
1432 | } | |
1433 | else | |
1434 | unset_in_environ (inferior_environ, var); | |
1435 | } | |
1436 | ||
1437 | /* Handle the execution path (PATH variable) */ | |
1438 | ||
1439 | static const char path_var_name[] = "PATH"; | |
1440 | ||
c906108c | 1441 | static void |
fba45db2 | 1442 | path_info (char *args, int from_tty) |
c906108c SS |
1443 | { |
1444 | puts_filtered ("Executable and object file path: "); | |
1445 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1446 | puts_filtered ("\n"); | |
1447 | } | |
1448 | ||
1449 | /* Add zero or more directories to the front of the execution path. */ | |
1450 | ||
1451 | static void | |
fba45db2 | 1452 | path_command (char *dirname, int from_tty) |
c906108c SS |
1453 | { |
1454 | char *exec_path; | |
1455 | char *env; | |
1456 | dont_repeat (); | |
1457 | env = get_in_environ (inferior_environ, path_var_name); | |
1458 | /* Can be null if path is not set */ | |
1459 | if (!env) | |
1460 | env = ""; | |
4fcf66da | 1461 | exec_path = xstrdup (env); |
c906108c SS |
1462 | mod_path (dirname, &exec_path); |
1463 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1464 | xfree (exec_path); |
c906108c | 1465 | if (from_tty) |
c5aa993b | 1466 | path_info ((char *) NULL, from_tty); |
c906108c | 1467 | } |
c906108c | 1468 | \f |
c5aa993b | 1469 | |
4782dc19 | 1470 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1471 | registers (print_all == 1) or all non-float and non-vector |
1472 | registers (print_all == 0). | |
c906108c SS |
1473 | |
1474 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1475 | register(s) one per line is good enough. If a different format is |
1476 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1477 | regs), or there is an existing convention for showing all the | |
1478 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1479 | provide that format. */ | |
c906108c | 1480 | |
666e11c5 | 1481 | void |
0ab7a791 AC |
1482 | default_print_registers_info (struct gdbarch *gdbarch, |
1483 | struct ui_file *file, | |
1484 | struct frame_info *frame, | |
1485 | int regnum, int print_all) | |
c906108c | 1486 | { |
0ab7a791 AC |
1487 | int i; |
1488 | const int numregs = NUM_REGS + NUM_PSEUDO_REGS; | |
0c92afe8 AC |
1489 | char raw_buffer[MAX_REGISTER_SIZE]; |
1490 | char virtual_buffer[MAX_REGISTER_SIZE]; | |
0ab7a791 | 1491 | |
903ad3a6 | 1492 | if (DEPRECATED_DO_REGISTERS_INFO_P ()) |
0ab7a791 | 1493 | { |
903ad3a6 | 1494 | DEPRECATED_DO_REGISTERS_INFO (regnum, print_all); |
0ab7a791 AC |
1495 | return; |
1496 | } | |
c906108c SS |
1497 | |
1498 | for (i = 0; i < numregs; i++) | |
1499 | { | |
4782dc19 AC |
1500 | /* Decide between printing all regs, non-float / vector regs, or |
1501 | specific reg. */ | |
c5aa993b JM |
1502 | if (regnum == -1) |
1503 | { | |
f9418c0f | 1504 | if (print_all) |
4782dc19 | 1505 | { |
f9418c0f | 1506 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1507 | continue; |
f9418c0f AC |
1508 | } |
1509 | else | |
1510 | { | |
1511 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1512 | continue; |
1513 | } | |
c5aa993b JM |
1514 | } |
1515 | else | |
1516 | { | |
1517 | if (i != regnum) | |
1518 | continue; | |
1519 | } | |
c906108c SS |
1520 | |
1521 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1522 | processor, so don't display anything. */ |
c906108c SS |
1523 | if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0') |
1524 | continue; | |
1525 | ||
0ab7a791 AC |
1526 | fputs_filtered (REGISTER_NAME (i), file); |
1527 | print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file); | |
c906108c SS |
1528 | |
1529 | /* Get the data in raw format. */ | |
0ab7a791 | 1530 | if (! frame_register_read (frame, i, raw_buffer)) |
c906108c | 1531 | { |
0ab7a791 | 1532 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1533 | continue; |
1534 | } | |
1535 | ||
0ab7a791 AC |
1536 | /* FIXME: cagney/2002-08-03: This code shouldn't be necessary. |
1537 | The function frame_register_read() should have returned the | |
1538 | pre-cooked register so no conversion is necessary. */ | |
c906108c | 1539 | /* Convert raw data to virtual format if necessary. */ |
781a750d | 1540 | if (DEPRECATED_REGISTER_CONVERTIBLE (i)) |
c906108c | 1541 | { |
781a750d | 1542 | DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL (i, register_type (current_gdbarch, i), |
c906108c SS |
1543 | raw_buffer, virtual_buffer); |
1544 | } | |
1545 | else | |
392a587b JM |
1546 | { |
1547 | memcpy (virtual_buffer, raw_buffer, | |
1548 | REGISTER_VIRTUAL_SIZE (i)); | |
1549 | } | |
c906108c | 1550 | |
0ab7a791 AC |
1551 | /* If virtual format is floating, print it that way, and in raw |
1552 | hex. */ | |
7b83296f | 1553 | if (TYPE_CODE (register_type (current_gdbarch, i)) == TYPE_CODE_FLT) |
c906108c | 1554 | { |
0ab7a791 | 1555 | int j; |
c906108c | 1556 | |
7b83296f | 1557 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
0ab7a791 | 1558 | file, 0, 1, 0, Val_pretty_default); |
c906108c | 1559 | |
0ab7a791 | 1560 | fprintf_filtered (file, "\t(raw 0x"); |
c906108c SS |
1561 | for (j = 0; j < REGISTER_RAW_SIZE (i); j++) |
1562 | { | |
0ab7a791 AC |
1563 | int idx; |
1564 | if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) | |
1565 | idx = j; | |
1566 | else | |
1567 | idx = REGISTER_RAW_SIZE (i) - 1 - j; | |
1568 | fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]); | |
c906108c | 1569 | } |
0ab7a791 | 1570 | fprintf_filtered (file, ")"); |
c906108c | 1571 | } |
c906108c SS |
1572 | else |
1573 | { | |
ab4327e0 | 1574 | /* Print the register in hex. */ |
7b83296f | 1575 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
9d84ac84 | 1576 | file, 'x', 1, 0, Val_pretty_default); |
ab4327e0 EZ |
1577 | /* If not a vector register, print it also according to its |
1578 | natural format. */ | |
7b83296f | 1579 | if (TYPE_VECTOR (register_type (current_gdbarch, i)) == 0) |
ab4327e0 | 1580 | { |
9d84ac84 | 1581 | fprintf_filtered (file, "\t"); |
7b83296f | 1582 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
9d84ac84 | 1583 | file, 0, 1, 0, Val_pretty_default); |
ab4327e0 | 1584 | } |
c906108c SS |
1585 | } |
1586 | ||
0ab7a791 | 1587 | fprintf_filtered (file, "\n"); |
c906108c SS |
1588 | } |
1589 | } | |
c906108c | 1590 | |
c906108c | 1591 | void |
fba45db2 | 1592 | registers_info (char *addr_exp, int fpregs) |
c906108c SS |
1593 | { |
1594 | int regnum, numregs; | |
52f0bd74 | 1595 | char *end; |
c906108c SS |
1596 | |
1597 | if (!target_has_registers) | |
1598 | error ("The program has no registers now."); | |
6e7f8b9c | 1599 | if (deprecated_selected_frame == NULL) |
c906108c SS |
1600 | error ("No selected frame."); |
1601 | ||
1602 | if (!addr_exp) | |
1603 | { | |
0ab7a791 | 1604 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, |
6e7f8b9c | 1605 | deprecated_selected_frame, -1, fpregs); |
c906108c SS |
1606 | return; |
1607 | } | |
1608 | ||
f9418c0f | 1609 | while (*addr_exp != '\0') |
c5aa993b | 1610 | { |
f9418c0f AC |
1611 | char *start; |
1612 | const char *end; | |
c906108c | 1613 | |
f9418c0f AC |
1614 | /* Keep skipping leading white space. */ |
1615 | if (isspace ((*addr_exp))) | |
1616 | { | |
1617 | addr_exp++; | |
1618 | continue; | |
1619 | } | |
c906108c | 1620 | |
f9418c0f AC |
1621 | /* Discard any leading ``$''. Check that there is something |
1622 | resembling a register following it. */ | |
1623 | if (addr_exp[0] == '$') | |
1624 | addr_exp++; | |
1625 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
1626 | error ("Missing register name"); | |
c906108c | 1627 | |
f9418c0f AC |
1628 | /* Find the start/end of this register name/num/group. */ |
1629 | start = addr_exp; | |
1630 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1631 | addr_exp++; | |
1632 | end = addr_exp; | |
1633 | ||
1634 | /* Figure out what we've found and display it. */ | |
1635 | ||
1636 | /* A register name? */ | |
1637 | { | |
eb8bc282 AC |
1638 | int regnum = frame_map_name_to_regnum (deprecated_selected_frame, |
1639 | start, end - start); | |
f9418c0f AC |
1640 | if (regnum >= 0) |
1641 | { | |
1642 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1643 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1644 | continue; |
1645 | } | |
1646 | } | |
1647 | ||
1648 | /* A register number? (how portable is this one?). */ | |
1649 | { | |
1650 | char *endptr; | |
1651 | int regnum = strtol (start, &endptr, 0); | |
1652 | if (endptr == end | |
1653 | && regnum >= 0 | |
1654 | && regnum < NUM_REGS + NUM_PSEUDO_REGS) | |
1655 | { | |
1656 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1657 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1658 | continue; |
1659 | } | |
1660 | } | |
1661 | ||
1662 | /* A register group? */ | |
1663 | { | |
6c7d17ba AC |
1664 | struct reggroup *group; |
1665 | for (group = reggroup_next (current_gdbarch, NULL); | |
1666 | group != NULL; | |
1667 | group = reggroup_next (current_gdbarch, group)) | |
f9418c0f AC |
1668 | { |
1669 | /* Don't bother with a length check. Should the user | |
1670 | enter a short register group name, go with the first | |
1671 | group that matches. */ | |
6c7d17ba | 1672 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
1673 | break; |
1674 | } | |
6c7d17ba | 1675 | if (group != NULL) |
f9418c0f AC |
1676 | { |
1677 | int regnum; | |
1678 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) | |
1679 | { | |
1680 | if (gdbarch_register_reggroup_p (current_gdbarch, regnum, | |
6c7d17ba | 1681 | group)) |
f9418c0f | 1682 | gdbarch_print_registers_info (current_gdbarch, |
6e7f8b9c | 1683 | gdb_stdout, deprecated_selected_frame, |
f9418c0f AC |
1684 | regnum, fpregs); |
1685 | } | |
1686 | continue; | |
1687 | } | |
1688 | } | |
c906108c | 1689 | |
f9418c0f AC |
1690 | /* Nothing matched. */ |
1691 | error ("Invalid register `%.*s'", (int) (end - start), start); | |
c5aa993b | 1692 | } |
c906108c SS |
1693 | } |
1694 | ||
1695 | void | |
fba45db2 | 1696 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1697 | { |
1698 | registers_info (addr_exp, 1); | |
1699 | } | |
1700 | ||
a58dd373 | 1701 | static void |
fba45db2 | 1702 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1703 | { |
1704 | registers_info (addr_exp, 0); | |
1705 | } | |
e76f1f2e AC |
1706 | |
1707 | static void | |
1708 | print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, | |
1709 | struct frame_info *frame, const char *args) | |
1710 | { | |
e71ecd70 MK |
1711 | if (!target_has_registers) |
1712 | error ("The program has no registers now."); | |
6e7f8b9c | 1713 | if (deprecated_selected_frame == NULL) |
e71ecd70 MK |
1714 | error ("No selected frame."); |
1715 | ||
e76f1f2e AC |
1716 | if (gdbarch_print_vector_info_p (gdbarch)) |
1717 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
1718 | else | |
1719 | { | |
1720 | int regnum; | |
1721 | int printed_something = 0; | |
ab4327e0 | 1722 | |
e76f1f2e AC |
1723 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1724 | { | |
f9418c0f | 1725 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
1726 | { |
1727 | printed_something = 1; | |
e76f1f2e | 1728 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
1729 | } |
1730 | } | |
1731 | if (!printed_something) | |
1732 | fprintf_filtered (file, "No vector information\n"); | |
1733 | } | |
1734 | } | |
1735 | ||
1736 | static void | |
1737 | vector_info (char *args, int from_tty) | |
1738 | { | |
6e7f8b9c | 1739 | print_vector_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args); |
e76f1f2e | 1740 | } |
c906108c | 1741 | \f |
c5aa993b | 1742 | |
c906108c SS |
1743 | /* |
1744 | * TODO: | |
1745 | * Should save/restore the tty state since it might be that the | |
1746 | * program to be debugged was started on this tty and it wants | |
1747 | * the tty in some state other than what we want. If it's running | |
1748 | * on another terminal or without a terminal, then saving and | |
1749 | * restoring the tty state is a harmless no-op. | |
1750 | * This only needs to be done if we are attaching to a process. | |
1751 | */ | |
1752 | ||
1753 | /* | |
1754 | attach_command -- | |
1755 | takes a program started up outside of gdb and ``attaches'' to it. | |
1756 | This stops it cold in its tracks and allows us to start debugging it. | |
1757 | and wait for the trace-trap that results from attaching. */ | |
1758 | ||
1759 | void | |
fba45db2 | 1760 | attach_command (char *args, int from_tty) |
c906108c | 1761 | { |
c5aa993b JM |
1762 | char *exec_file; |
1763 | char *full_exec_path = NULL; | |
c906108c | 1764 | |
c5aa993b | 1765 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1766 | |
1767 | if (target_has_execution) | |
1768 | { | |
1769 | if (query ("A program is being debugged already. Kill it? ")) | |
1770 | target_kill (); | |
1771 | else | |
1772 | error ("Not killed."); | |
1773 | } | |
1774 | ||
1775 | target_attach (args, from_tty); | |
1776 | ||
1777 | /* Set up the "saved terminal modes" of the inferior | |
1778 | based on what modes we are starting it with. */ | |
1779 | target_terminal_init (); | |
1780 | ||
1781 | /* Install inferior's terminal modes. */ | |
1782 | target_terminal_inferior (); | |
1783 | ||
1784 | /* Set up execution context to know that we should return from | |
1785 | wait_for_inferior as soon as the target reports a stop. */ | |
1786 | init_wait_for_inferior (); | |
1787 | clear_proceed_status (); | |
c906108c SS |
1788 | |
1789 | /* No traps are generated when attaching to inferior under Mach 3 | |
1790 | or GNU hurd. */ | |
1791 | #ifndef ATTACH_NO_WAIT | |
c54cfec8 EZ |
1792 | /* Careful here. See comments in inferior.h. Basically some OSes |
1793 | don't ignore SIGSTOPs on continue requests anymore. We need a | |
1794 | way for handle_inferior_event to reset the stop_signal variable | |
1795 | after an attach, and this is what STOP_QUIETLY_NO_SIGSTOP is for. */ | |
c0236d92 | 1796 | stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c906108c | 1797 | wait_for_inferior (); |
c0236d92 | 1798 | stop_soon = NO_STOP_QUIETLY; |
c906108c SS |
1799 | #endif |
1800 | ||
1801 | /* | |
1802 | * If no exec file is yet known, try to determine it from the | |
1803 | * process itself. | |
1804 | */ | |
1805 | exec_file = (char *) get_exec_file (0); | |
c5aa993b JM |
1806 | if (!exec_file) |
1807 | { | |
39f77062 | 1808 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); |
c5aa993b JM |
1809 | if (exec_file) |
1810 | { | |
1811 | /* It's possible we don't have a full path, but rather just a | |
1812 | filename. Some targets, such as HP-UX, don't provide the | |
1813 | full path, sigh. | |
1814 | ||
1815 | Attempt to qualify the filename against the source path. | |
1816 | (If that fails, we'll just fall back on the original | |
1817 | filename. Not much more we can do...) | |
1818 | */ | |
1819 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1820 | full_exec_path = savestring (exec_file, strlen (exec_file)); | |
1821 | ||
1822 | exec_file_attach (full_exec_path, from_tty); | |
1adeb98a | 1823 | symbol_file_add_main (full_exec_path, from_tty); |
c5aa993b | 1824 | } |
c906108c | 1825 | } |
c906108c SS |
1826 | |
1827 | #ifdef SOLIB_ADD | |
990f9fe3 FF |
1828 | /* Add shared library symbols from the newly attached process, if any. */ |
1829 | SOLIB_ADD ((char *) 0, from_tty, ¤t_target, auto_solib_add); | |
1830 | re_enable_breakpoints_in_shlibs (); | |
c906108c SS |
1831 | #endif |
1832 | ||
1833 | /* Take any necessary post-attaching actions for this platform. | |
c5aa993b | 1834 | */ |
39f77062 | 1835 | target_post_attach (PIDGET (inferior_ptid)); |
c906108c SS |
1836 | |
1837 | normal_stop (); | |
6426a772 JM |
1838 | |
1839 | if (attach_hook) | |
1840 | attach_hook (); | |
c906108c SS |
1841 | } |
1842 | ||
1843 | /* | |
1844 | * detach_command -- | |
1845 | * takes a program previously attached to and detaches it. | |
1846 | * The program resumes execution and will no longer stop | |
1847 | * on signals, etc. We better not have left any breakpoints | |
1848 | * in the program or it'll die when it hits one. For this | |
1849 | * to work, it may be necessary for the process to have been | |
1850 | * previously attached. It *might* work if the program was | |
1851 | * started via the normal ptrace (PTRACE_TRACEME). | |
1852 | */ | |
1853 | ||
1854 | static void | |
fba45db2 | 1855 | detach_command (char *args, int from_tty) |
c906108c | 1856 | { |
c5aa993b | 1857 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1858 | target_detach (args, from_tty); |
1859 | #if defined(SOLIB_RESTART) | |
1860 | SOLIB_RESTART (); | |
1861 | #endif | |
6426a772 JM |
1862 | if (detach_hook) |
1863 | detach_hook (); | |
c906108c SS |
1864 | } |
1865 | ||
6ad8ae5c DJ |
1866 | /* Disconnect from the current target without resuming it (leaving it |
1867 | waiting for a debugger). | |
1868 | ||
1869 | We'd better not have left any breakpoints in the program or the | |
1870 | next debugger will get confused. Currently only supported for some | |
1871 | remote targets, since the normal attach mechanisms don't work on | |
1872 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
1873 | ||
1874 | static void | |
1875 | disconnect_command (char *args, int from_tty) | |
1876 | { | |
1877 | dont_repeat (); /* Not for the faint of heart */ | |
1878 | target_disconnect (args, from_tty); | |
1879 | #if defined(SOLIB_RESTART) | |
1880 | SOLIB_RESTART (); | |
1881 | #endif | |
1882 | if (detach_hook) | |
1883 | detach_hook (); | |
1884 | } | |
1885 | ||
43ff13b4 JM |
1886 | /* Stop the execution of the target while running in async mode, in |
1887 | the backgound. */ | |
8b93c638 | 1888 | void |
fba45db2 | 1889 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 1890 | { |
6426a772 | 1891 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1892 | { |
c5aa993b | 1893 | dont_repeat (); /* Not for the faint of heart */ |
43ff13b4 JM |
1894 | target_stop (); |
1895 | } | |
1896 | } | |
1897 | ||
c906108c | 1898 | static void |
23e3a7ac AC |
1899 | print_float_info (struct gdbarch *gdbarch, struct ui_file *file, |
1900 | struct frame_info *frame, const char *args) | |
c906108c | 1901 | { |
e71ecd70 MK |
1902 | if (!target_has_registers) |
1903 | error ("The program has no registers now."); | |
6e7f8b9c | 1904 | if (deprecated_selected_frame == NULL) |
e71ecd70 MK |
1905 | error ("No selected frame."); |
1906 | ||
23e3a7ac AC |
1907 | if (gdbarch_print_float_info_p (gdbarch)) |
1908 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
1909 | else | |
1910 | { | |
23e3a7ac AC |
1911 | int regnum; |
1912 | int printed_something = 0; | |
ab4327e0 | 1913 | |
23e3a7ac AC |
1914 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1915 | { | |
f9418c0f | 1916 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
1917 | { |
1918 | printed_something = 1; | |
23e3a7ac | 1919 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
1920 | } |
1921 | } | |
1922 | if (!printed_something) | |
1923 | fprintf_filtered (file, "\ | |
1924 | No floating-point info available for this processor.\n"); | |
23e3a7ac AC |
1925 | } |
1926 | } | |
1927 | ||
1928 | static void | |
1929 | float_info (char *args, int from_tty) | |
1930 | { | |
6e7f8b9c | 1931 | print_float_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args); |
c906108c SS |
1932 | } |
1933 | \f | |
c906108c | 1934 | static void |
fba45db2 | 1935 | unset_command (char *args, int from_tty) |
c906108c SS |
1936 | { |
1937 | printf_filtered ("\"unset\" must be followed by the name of "); | |
1938 | printf_filtered ("an unset subcommand.\n"); | |
1939 | help_list (unsetlist, "unset ", -1, gdb_stdout); | |
1940 | } | |
1941 | ||
1942 | void | |
fba45db2 | 1943 | _initialize_infcmd (void) |
c906108c SS |
1944 | { |
1945 | struct cmd_list_element *c; | |
c5aa993b | 1946 | |
c94fdfd0 EZ |
1947 | c = add_com ("tty", class_run, tty_command, |
1948 | "Set terminal for future runs of program being debugged."); | |
5ba2abeb | 1949 | set_cmd_completer (c, filename_completer); |
c906108c | 1950 | |
fa58ee11 EZ |
1951 | c = add_set_cmd ("args", class_run, var_string_noescape, |
1952 | (char *) &inferior_args, | |
1953 | "Set argument list to give program being debugged when it is started.\n\ | |
c906108c | 1954 | Follow this command with any number of args, to be passed to the program.", |
fa58ee11 | 1955 | &setlist); |
5ba2abeb | 1956 | set_cmd_completer (c, filename_completer); |
9f60d481 | 1957 | set_cmd_sfunc (c, notice_args_set); |
552c04a7 | 1958 | c = add_show_from_set (c, &showlist); |
9f60d481 | 1959 | set_cmd_sfunc (c, notice_args_read); |
c906108c SS |
1960 | |
1961 | c = add_cmd | |
1962 | ("environment", no_class, environment_info, | |
1963 | "The environment to give the program, or one variable's value.\n\ | |
1964 | With an argument VAR, prints the value of environment variable VAR to\n\ | |
1965 | give the program being debugged. With no arguments, prints the entire\n\ | |
1966 | environment to be given to the program.", &showlist); | |
5ba2abeb | 1967 | set_cmd_completer (c, noop_completer); |
c906108c SS |
1968 | |
1969 | add_prefix_cmd ("unset", no_class, unset_command, | |
d4654627 | 1970 | "Complement to certain \"set\" commands.", |
c906108c | 1971 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 1972 | |
c906108c | 1973 | c = add_cmd ("environment", class_run, unset_environment_command, |
c5aa993b | 1974 | "Cancel environment variable VAR for the program.\n\ |
c906108c | 1975 | This does not affect the program until the next \"run\" command.", |
c5aa993b | 1976 | &unsetlist); |
5ba2abeb | 1977 | set_cmd_completer (c, noop_completer); |
c906108c SS |
1978 | |
1979 | c = add_cmd ("environment", class_run, set_environment_command, | |
1980 | "Set environment variable value to give the program.\n\ | |
1981 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ | |
1982 | VALUES of environment variables are uninterpreted strings.\n\ | |
1983 | This does not affect the program until the next \"run\" command.", | |
c5aa993b | 1984 | &setlist); |
5ba2abeb | 1985 | set_cmd_completer (c, noop_completer); |
c5aa993b | 1986 | |
fa58ee11 EZ |
1987 | c = add_com ("path", class_files, path_command, |
1988 | "Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
1989 | $cwd in the path means the current working directory.\n\ |
1990 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
1991 | directories, separated by colons. These directories are searched to find\n\ | |
1992 | fully linked executable files and separately compiled object files as needed."); | |
5ba2abeb | 1993 | set_cmd_completer (c, filename_completer); |
c906108c SS |
1994 | |
1995 | c = add_cmd ("paths", no_class, path_info, | |
c5aa993b | 1996 | "Current search path for finding object files.\n\ |
c906108c SS |
1997 | $cwd in the path means the current working directory.\n\ |
1998 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
1999 | directories, separated by colons. These directories are searched to find\n\ | |
2000 | fully linked executable files and separately compiled object files as needed.", | |
2001 | &showlist); | |
5ba2abeb | 2002 | set_cmd_completer (c, noop_completer); |
c906108c | 2003 | |
c5aa993b JM |
2004 | add_com ("attach", class_run, attach_command, |
2005 | "Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2006 | This command attaches to another target, of the same type as your last\n\ |
2007 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2008 | The command may take as argument a process id or a device file.\n\ | |
2009 | For a process id, you must have permission to send the process a signal,\n\ | |
2010 | and it must have the same effective uid as the debugger.\n\ | |
2011 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2012 | program running in the process, looking first in the current working\n\ | |
2013 | directory, or (if not found there) using the source file search path\n\ | |
2014 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
2015 | to specify the program, and to load its symbol table."); | |
2016 | ||
2017 | add_com ("detach", class_run, detach_command, | |
2018 | "Detach a process or file previously attached.\n\ | |
2019 | If a process, it is no longer traced, and it continues its execution. If\n\ | |
2020 | you were debugging a file, the file is closed and gdb no longer accesses it."); | |
2021 | ||
6ad8ae5c DJ |
2022 | add_com ("disconnect", class_run, disconnect_command, |
2023 | "Disconnect from a target.\n\ | |
2024 | The target will wait for another debugger to connect. Not available for\n\ | |
2025 | all targets."); | |
2026 | ||
c906108c SS |
2027 | add_com ("signal", class_run, signal_command, |
2028 | "Continue program giving it signal specified by the argument.\n\ | |
2029 | An argument of \"0\" means continue program without giving it a signal."); | |
2030 | ||
2031 | add_com ("stepi", class_run, stepi_command, | |
2032 | "Step one instruction exactly.\n\ | |
2033 | Argument N means do this N times (or till program stops for another reason)."); | |
2034 | add_com_alias ("si", "stepi", class_alias, 0); | |
2035 | ||
2036 | add_com ("nexti", class_run, nexti_command, | |
2037 | "Step one instruction, but proceed through subroutine calls.\n\ | |
2038 | Argument N means do this N times (or till program stops for another reason)."); | |
2039 | add_com_alias ("ni", "nexti", class_alias, 0); | |
2040 | ||
2041 | add_com ("finish", class_run, finish_command, | |
2042 | "Execute until selected stack frame returns.\n\ | |
2043 | Upon return, the value returned is printed and put in the value history."); | |
2044 | ||
2045 | add_com ("next", class_run, next_command, | |
2046 | "Step program, proceeding through subroutine calls.\n\ | |
2047 | Like the \"step\" command as long as subroutine calls do not happen;\n\ | |
2048 | when they do, the call is treated as one instruction.\n\ | |
2049 | Argument N means do this N times (or till program stops for another reason)."); | |
2050 | add_com_alias ("n", "next", class_run, 1); | |
2051 | if (xdb_commands) | |
c5aa993b | 2052 | add_com_alias ("S", "next", class_run, 1); |
c906108c SS |
2053 | |
2054 | add_com ("step", class_run, step_command, | |
2055 | "Step program until it reaches a different source line.\n\ | |
2056 | Argument N means do this N times (or till program stops for another reason)."); | |
2057 | add_com_alias ("s", "step", class_run, 1); | |
2058 | ||
c94fdfd0 EZ |
2059 | c = add_com ("until", class_run, until_command, |
2060 | "Execute until the program reaches a source line greater than the current\n\ | |
ae66c1fc | 2061 | or a specified location (same args as break command) within the current frame."); |
5ba2abeb | 2062 | set_cmd_completer (c, location_completer); |
c906108c | 2063 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2064 | |
ae66c1fc EZ |
2065 | c = add_com ("advance", class_run, advance_command, |
2066 | "Continue the program up to the given location (same form as args for break command).\n\ | |
2067 | Execution will also stop upon exit from the current stack frame."); | |
2068 | set_cmd_completer (c, location_completer); | |
2069 | ||
c94fdfd0 EZ |
2070 | c = add_com ("jump", class_run, jump_command, |
2071 | "Continue program being debugged at specified line or address.\n\ | |
c906108c SS |
2072 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
2073 | for an address to start at."); | |
5ba2abeb | 2074 | set_cmd_completer (c, location_completer); |
c906108c | 2075 | |
b83266a0 | 2076 | if (xdb_commands) |
c94fdfd0 EZ |
2077 | { |
2078 | c = add_com ("go", class_run, go_command, | |
2079 | "Usage: go <location>\n\ | |
c906108c SS |
2080 | Continue program being debugged, stopping at specified line or \n\ |
2081 | address.\n\ | |
2082 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2083 | expression for an address to start at.\n\ | |
2084 | This command is a combination of tbreak and jump."); | |
5ba2abeb | 2085 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2086 | } |
b83266a0 | 2087 | |
c906108c | 2088 | if (xdb_commands) |
c5aa993b | 2089 | add_com_alias ("g", "go", class_run, 1); |
c906108c SS |
2090 | |
2091 | add_com ("continue", class_run, continue_command, | |
2092 | "Continue program being debugged, after signal or breakpoint.\n\ | |
2093 | If proceeding from breakpoint, a number N may be used as an argument,\n\ | |
2094 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
2095 | the breakpoint won't break until the Nth time it is reached)."); | |
2096 | add_com_alias ("c", "cont", class_run, 1); | |
2097 | add_com_alias ("fg", "cont", class_run, 1); | |
2098 | ||
fa58ee11 | 2099 | c = add_com ("run", class_run, run_command, |
c906108c SS |
2100 | "Start debugged program. You may specify arguments to give it.\n\ |
2101 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ | |
2102 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2103 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2104 | To cancel previous arguments and run with no arguments,\n\ | |
2105 | use \"set args\" without arguments."); | |
5ba2abeb | 2106 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2107 | add_com_alias ("r", "run", class_run, 1); |
2108 | if (xdb_commands) | |
2109 | add_com ("R", class_run, run_no_args_command, | |
c5aa993b | 2110 | "Start debugged program with no arguments."); |
c906108c | 2111 | |
43ff13b4 JM |
2112 | add_com ("interrupt", class_run, interrupt_target_command, |
2113 | "Interrupt the execution of the debugged program."); | |
2114 | ||
c906108c | 2115 | add_info ("registers", nofp_registers_info, |
c5aa993b | 2116 | "List of integer registers and their contents, for selected stack frame.\n\ |
c906108c | 2117 | Register name as argument means describe only that register."); |
7194c49b | 2118 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2119 | |
2120 | if (xdb_commands) | |
c5aa993b JM |
2121 | add_com ("lr", class_info, nofp_registers_info, |
2122 | "List of integer registers and their contents, for selected stack frame.\n\ | |
c906108c SS |
2123 | Register name as argument means describe only that register."); |
2124 | add_info ("all-registers", all_registers_info, | |
c5aa993b | 2125 | "List of all registers and their contents, for selected stack frame.\n\ |
c906108c SS |
2126 | Register name as argument means describe only that register."); |
2127 | ||
2128 | add_info ("program", program_info, | |
2129 | "Execution status of the program."); | |
2130 | ||
2131 | add_info ("float", float_info, | |
2132 | "Print the status of the floating point unit\n"); | |
2133 | ||
e76f1f2e AC |
2134 | add_info ("vector", vector_info, |
2135 | "Print the status of the vector unit\n"); | |
2136 | ||
c906108c SS |
2137 | inferior_environ = make_environ (); |
2138 | init_environ (inferior_environ); | |
2139 | } |