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. */ | |
264 | /* ARGSUSED */ | |
265 | char * | |
266 | construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv) | |
267 | { | |
268 | char *result; | |
269 | ||
270 | if (STARTUP_WITH_SHELL) | |
271 | { | |
272 | /* This holds all the characters considered special to the | |
273 | typical Unix shells. We include `^' because the SunOS | |
274 | /bin/sh treats it as a synonym for `|'. */ | |
275 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
276 | int i; | |
277 | int length = 0; | |
278 | char *out, *cp; | |
279 | ||
280 | /* We over-compute the size. It shouldn't matter. */ | |
281 | for (i = 0; i < argc; ++i) | |
03c6228e | 282 | length += 2 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
283 | |
284 | result = (char *) xmalloc (length); | |
285 | out = result; | |
286 | ||
287 | for (i = 0; i < argc; ++i) | |
288 | { | |
289 | if (i > 0) | |
290 | *out++ = ' '; | |
291 | ||
03c6228e AS |
292 | /* Need to handle empty arguments specially. */ |
293 | if (argv[i][0] == '\0') | |
c2a727fa | 294 | { |
03c6228e AS |
295 | *out++ = '\''; |
296 | *out++ = '\''; | |
297 | } | |
298 | else | |
299 | { | |
300 | for (cp = argv[i]; *cp; ++cp) | |
301 | { | |
302 | if (strchr (special, *cp) != NULL) | |
303 | *out++ = '\\'; | |
304 | *out++ = *cp; | |
305 | } | |
c2a727fa TT |
306 | } |
307 | } | |
308 | *out = '\0'; | |
309 | } | |
310 | else | |
311 | { | |
312 | /* In this case we can't handle arguments that contain spaces, | |
313 | tabs, or newlines -- see breakup_args(). */ | |
314 | int i; | |
315 | int length = 0; | |
316 | ||
317 | for (i = 0; i < argc; ++i) | |
318 | { | |
319 | char *cp = strchr (argv[i], ' '); | |
320 | if (cp == NULL) | |
321 | cp = strchr (argv[i], '\t'); | |
322 | if (cp == NULL) | |
323 | cp = strchr (argv[i], '\n'); | |
324 | if (cp != NULL) | |
325 | error ("can't handle command-line argument containing whitespace"); | |
326 | length += strlen (argv[i]) + 1; | |
327 | } | |
328 | ||
329 | result = (char *) xmalloc (length); | |
330 | result[0] = '\0'; | |
331 | for (i = 0; i < argc; ++i) | |
332 | { | |
333 | if (i > 0) | |
334 | strcat (result, " "); | |
335 | strcat (result, argv[i]); | |
336 | } | |
337 | } | |
338 | ||
339 | return result; | |
340 | } | |
552c04a7 TT |
341 | \f |
342 | ||
43ff13b4 JM |
343 | /* This function detects whether or not a '&' character (indicating |
344 | background execution) has been added as *the last* of the arguments ARGS | |
345 | of a command. If it has, it removes it and returns 1. Otherwise it | |
346 | does nothing and returns 0. */ | |
c5aa993b | 347 | static int |
fba45db2 | 348 | strip_bg_char (char **args) |
43ff13b4 JM |
349 | { |
350 | char *p = NULL; | |
c5aa993b | 351 | |
9846de1b | 352 | p = strchr (*args, '&'); |
c5aa993b | 353 | |
9846de1b | 354 | if (p) |
43ff13b4 JM |
355 | { |
356 | if (p == (*args + strlen (*args) - 1)) | |
357 | { | |
c5aa993b | 358 | if (strlen (*args) > 1) |
43ff13b4 JM |
359 | { |
360 | do | |
361 | p--; | |
362 | while (*p == ' ' || *p == '\t'); | |
363 | *(p + 1) = '\0'; | |
364 | } | |
365 | else | |
366 | *args = 0; | |
367 | return 1; | |
368 | } | |
369 | } | |
370 | return 0; | |
371 | } | |
372 | ||
c906108c SS |
373 | /* ARGSUSED */ |
374 | void | |
fba45db2 | 375 | tty_command (char *file, int from_tty) |
c906108c SS |
376 | { |
377 | if (file == 0) | |
378 | error_no_arg ("terminal name for running target process"); | |
379 | ||
380 | inferior_io_terminal = savestring (file, strlen (file)); | |
381 | } | |
382 | ||
383 | static void | |
fba45db2 | 384 | run_command (char *args, int from_tty) |
c906108c SS |
385 | { |
386 | char *exec_file; | |
387 | ||
388 | dont_repeat (); | |
389 | ||
39f77062 | 390 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 391 | { |
adf40b2e JM |
392 | if (from_tty |
393 | && !query ("The program being debugged has been started already.\n\ | |
c906108c SS |
394 | Start it from the beginning? ")) |
395 | error ("Program not restarted."); | |
396 | target_kill (); | |
397 | #if defined(SOLIB_RESTART) | |
398 | SOLIB_RESTART (); | |
399 | #endif | |
400 | init_wait_for_inferior (); | |
401 | } | |
402 | ||
403 | clear_breakpoint_hit_counts (); | |
404 | ||
c906108c SS |
405 | /* Purge old solib objfiles. */ |
406 | objfile_purge_solibs (); | |
407 | ||
408 | do_run_cleanups (NULL); | |
409 | ||
39ad761d JB |
410 | /* The comment here used to read, "The exec file is re-read every |
411 | time we do a generic_mourn_inferior, so we just have to worry | |
412 | about the symbol file." The `generic_mourn_inferior' function | |
413 | gets called whenever the program exits. However, suppose the | |
414 | program exits, and *then* the executable file changes? We need | |
415 | to check again here. Since reopen_exec_file doesn't do anything | |
416 | if the timestamp hasn't changed, I don't see the harm. */ | |
417 | reopen_exec_file (); | |
c906108c SS |
418 | reread_symbols (); |
419 | ||
39ad761d JB |
420 | exec_file = (char *) get_exec_file (0); |
421 | ||
c906108c SS |
422 | /* We keep symbols from add-symbol-file, on the grounds that the |
423 | user might want to add some symbols before running the program | |
424 | (right?). But sometimes (dynamic loading where the user manually | |
425 | introduces the new symbols with add-symbol-file), the code which | |
426 | the symbols describe does not persist between runs. Currently | |
427 | the user has to manually nuke all symbols between runs if they | |
428 | want them to go away (PR 2207). This is probably reasonable. */ | |
429 | ||
43ff13b4 | 430 | if (!args) |
6426a772 JM |
431 | { |
432 | if (event_loop_p && target_can_async_p ()) | |
433 | async_disable_stdin (); | |
434 | } | |
43ff13b4 | 435 | else |
c906108c | 436 | { |
43ff13b4 JM |
437 | int async_exec = strip_bg_char (&args); |
438 | ||
439 | /* If we get a request for running in the bg but the target | |
440 | doesn't support it, error out. */ | |
6426a772 | 441 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
442 | error ("Asynchronous execution not supported on this target."); |
443 | ||
444 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 445 | to simulate synchronous (fg) execution. */ |
6426a772 | 446 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
447 | { |
448 | /* Simulate synchronous execution */ | |
6426a772 | 449 | async_disable_stdin (); |
43ff13b4 JM |
450 | } |
451 | ||
452 | /* If there were other args, beside '&', process them. */ | |
453 | if (args) | |
454 | { | |
07091751 FN |
455 | char *old_args = set_inferior_args (xstrdup (args)); |
456 | xfree (old_args); | |
43ff13b4 | 457 | } |
c906108c SS |
458 | } |
459 | ||
460 | if (from_tty) | |
461 | { | |
8b93c638 JM |
462 | ui_out_field_string (uiout, NULL, "Starting program"); |
463 | ui_out_text (uiout, ": "); | |
464 | if (exec_file) | |
465 | ui_out_field_string (uiout, "execfile", exec_file); | |
466 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
467 | /* We call get_inferior_args() because we might need to compute |
468 | the value now. */ | |
469 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
470 | ui_out_text (uiout, "\n"); |
471 | ui_out_flush (uiout); | |
c906108c SS |
472 | } |
473 | ||
552c04a7 TT |
474 | /* We call get_inferior_args() because we might need to compute |
475 | the value now. */ | |
476 | target_create_inferior (exec_file, get_inferior_args (), | |
c906108c SS |
477 | environ_vector (inferior_environ)); |
478 | } | |
479 | ||
480 | ||
481 | static void | |
fba45db2 | 482 | run_no_args_command (char *args, int from_tty) |
c906108c | 483 | { |
07091751 FN |
484 | char *old_args = set_inferior_args (xstrdup ("")); |
485 | xfree (old_args); | |
c906108c | 486 | } |
c906108c | 487 | \f |
c5aa993b | 488 | |
c906108c | 489 | void |
fba45db2 | 490 | continue_command (char *proc_count_exp, int from_tty) |
c906108c | 491 | { |
c5aa993b | 492 | int async_exec = 0; |
c906108c SS |
493 | ERROR_NO_INFERIOR; |
494 | ||
43ff13b4 JM |
495 | /* Find out whether we must run in the background. */ |
496 | if (proc_count_exp != NULL) | |
497 | async_exec = strip_bg_char (&proc_count_exp); | |
498 | ||
499 | /* If we must run in the background, but the target can't do it, | |
500 | error out. */ | |
6426a772 | 501 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
502 | error ("Asynchronous execution not supported on this target."); |
503 | ||
504 | /* If we are not asked to run in the bg, then prepare to run in the | |
505 | foreground, synchronously. */ | |
6426a772 | 506 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 507 | { |
43ff13b4 | 508 | /* Simulate synchronous execution */ |
6426a772 | 509 | async_disable_stdin (); |
43ff13b4 | 510 | } |
c906108c | 511 | |
43ff13b4 JM |
512 | /* If have argument (besides '&'), set proceed count of breakpoint |
513 | we stopped at. */ | |
c906108c SS |
514 | if (proc_count_exp != NULL) |
515 | { | |
516 | bpstat bs = stop_bpstat; | |
517 | int num = bpstat_num (&bs); | |
518 | if (num == 0 && from_tty) | |
519 | { | |
520 | printf_filtered | |
521 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
522 | } | |
523 | while (num != 0) | |
524 | { | |
525 | set_ignore_count (num, | |
bb518678 | 526 | parse_and_eval_long (proc_count_exp) - 1, |
c906108c SS |
527 | from_tty); |
528 | /* set_ignore_count prints a message ending with a period. | |
529 | So print two spaces before "Continuing.". */ | |
530 | if (from_tty) | |
531 | printf_filtered (" "); | |
532 | num = bpstat_num (&bs); | |
533 | } | |
534 | } | |
535 | ||
536 | if (from_tty) | |
537 | printf_filtered ("Continuing.\n"); | |
538 | ||
539 | clear_proceed_status (); | |
540 | ||
2acceee2 | 541 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c SS |
542 | } |
543 | \f | |
544 | /* Step until outside of current statement. */ | |
545 | ||
546 | /* ARGSUSED */ | |
547 | static void | |
fba45db2 | 548 | step_command (char *count_string, int from_tty) |
c906108c SS |
549 | { |
550 | step_1 (0, 0, count_string); | |
551 | } | |
552 | ||
553 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
554 | ||
555 | /* ARGSUSED */ | |
556 | static void | |
fba45db2 | 557 | next_command (char *count_string, int from_tty) |
c906108c SS |
558 | { |
559 | step_1 (1, 0, count_string); | |
560 | } | |
561 | ||
562 | /* Likewise, but step only one instruction. */ | |
563 | ||
564 | /* ARGSUSED */ | |
565 | void | |
fba45db2 | 566 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
567 | { |
568 | step_1 (0, 1, count_string); | |
569 | } | |
570 | ||
571 | /* ARGSUSED */ | |
572 | void | |
fba45db2 | 573 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
574 | { |
575 | step_1 (1, 1, count_string); | |
576 | } | |
577 | ||
74b7792f AC |
578 | static void |
579 | disable_longjmp_breakpoint_cleanup (void *ignore) | |
580 | { | |
581 | disable_longjmp_breakpoint (); | |
582 | } | |
583 | ||
c906108c | 584 | static void |
fba45db2 | 585 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c SS |
586 | { |
587 | register int count = 1; | |
588 | struct frame_info *frame; | |
589 | struct cleanup *cleanups = 0; | |
43ff13b4 | 590 | int async_exec = 0; |
c5aa993b | 591 | |
c906108c | 592 | ERROR_NO_INFERIOR; |
43ff13b4 JM |
593 | |
594 | if (count_string) | |
595 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 596 | |
43ff13b4 JM |
597 | /* If we get a request for running in the bg but the target |
598 | doesn't support it, error out. */ | |
6426a772 | 599 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
600 | error ("Asynchronous execution not supported on this target."); |
601 | ||
602 | /* If we don't get a request of running in the bg, then we need | |
603 | to simulate synchronous (fg) execution. */ | |
6426a772 | 604 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
605 | { |
606 | /* Simulate synchronous execution */ | |
6426a772 | 607 | async_disable_stdin (); |
43ff13b4 JM |
608 | } |
609 | ||
bb518678 | 610 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 611 | |
c5aa993b | 612 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 613 | { |
c5aa993b | 614 | enable_longjmp_breakpoint (); |
c2d11a7d | 615 | if (!event_loop_p || !target_can_async_p ()) |
74b7792f | 616 | cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d | 617 | else |
74b7792f | 618 | make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d JM |
619 | } |
620 | ||
621 | /* In synchronous case, all is well, just use the regular for loop. */ | |
622 | if (!event_loop_p || !target_can_async_p ()) | |
623 | { | |
624 | for (; count > 0; count--) | |
625 | { | |
626 | clear_proceed_status (); | |
627 | ||
628 | frame = get_current_frame (); | |
629 | if (!frame) /* Avoid coredump here. Why tho? */ | |
630 | error ("No current frame"); | |
aa0cd9c1 | 631 | step_frame_id = get_frame_id (frame); |
c2d11a7d JM |
632 | step_sp = read_sp (); |
633 | ||
634 | if (!single_inst) | |
635 | { | |
636 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
637 | if (step_range_end == 0) | |
638 | { | |
639 | char *name; | |
640 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
641 | &step_range_end) == 0) | |
642 | error ("Cannot find bounds of current function"); | |
643 | ||
644 | target_terminal_ours (); | |
645 | printf_filtered ("\ | |
646 | Single stepping until exit from function %s, \n\ | |
647 | which has no line number information.\n", name); | |
648 | } | |
649 | } | |
650 | else | |
651 | { | |
652 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
653 | step_range_start = step_range_end = 1; | |
654 | if (!skip_subroutines) | |
655 | /* It is stepi. | |
656 | Don't step over function calls, not even to functions lacking | |
657 | line numbers. */ | |
5fbbeb29 | 658 | step_over_calls = STEP_OVER_NONE; |
c2d11a7d JM |
659 | } |
660 | ||
661 | if (skip_subroutines) | |
5fbbeb29 | 662 | step_over_calls = STEP_OVER_ALL; |
c2d11a7d JM |
663 | |
664 | step_multi = (count > 1); | |
665 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
666 | ||
667 | if (!stop_step) | |
668 | break; | |
669 | ||
670 | /* FIXME: On nexti, this may have already been done (when we hit the | |
671 | step resume break, I think). Probably this should be moved to | |
672 | wait_for_inferior (near the top). */ | |
673 | #if defined (SHIFT_INST_REGS) | |
674 | SHIFT_INST_REGS (); | |
675 | #endif | |
676 | } | |
677 | ||
678 | if (!single_inst || skip_subroutines) | |
679 | do_cleanups (cleanups); | |
680 | return; | |
681 | } | |
682 | /* In case of asynchronous target things get complicated, do only | |
683 | one step for now, before returning control to the event loop. Let | |
684 | the continuation figure out how many other steps we need to do, | |
685 | and handle them one at the time, through step_once(). */ | |
686 | else | |
687 | { | |
688 | if (event_loop_p && target_can_async_p ()) | |
689 | step_once (skip_subroutines, single_inst, count); | |
c906108c | 690 | } |
c2d11a7d | 691 | } |
c906108c | 692 | |
c2d11a7d JM |
693 | /* Called after we are done with one step operation, to check whether |
694 | we need to step again, before we print the prompt and return control | |
695 | to the user. If count is > 1, we will need to do one more call to | |
696 | proceed(), via step_once(). Basically it is like step_once and | |
697 | step_1_continuation are co-recursive. */ | |
698 | static void | |
fba45db2 | 699 | step_1_continuation (struct continuation_arg *arg) |
c2d11a7d | 700 | { |
57e687d9 MS |
701 | int count; |
702 | int skip_subroutines; | |
703 | int single_inst; | |
704 | ||
705 | skip_subroutines = arg->data.integer; | |
706 | single_inst = arg->next->data.integer; | |
707 | count = arg->next->next->data.integer; | |
708 | ||
709 | if (stop_step) | |
710 | { | |
711 | /* FIXME: On nexti, this may have already been done (when we hit the | |
712 | step resume break, I think). Probably this should be moved to | |
713 | wait_for_inferior (near the top). */ | |
c2d11a7d | 714 | #if defined (SHIFT_INST_REGS) |
57e687d9 | 715 | SHIFT_INST_REGS (); |
c2d11a7d | 716 | #endif |
57e687d9 MS |
717 | step_once (skip_subroutines, single_inst, count - 1); |
718 | } | |
719 | else | |
720 | if (!single_inst || skip_subroutines) | |
721 | do_exec_cleanups (ALL_CLEANUPS); | |
c2d11a7d JM |
722 | } |
723 | ||
724 | /* Do just one step operation. If count >1 we will have to set up a | |
725 | continuation to be done after the target stops (after this one | |
726 | step). This is useful to implement the 'step n' kind of commands, in | |
727 | case of asynchronous targets. We had to split step_1 into two parts, | |
728 | one to be done before proceed() and one afterwards. This function is | |
729 | called in case of step n with n>1, after the first step operation has | |
730 | been completed.*/ | |
731 | static void | |
0d06e24b | 732 | step_once (int skip_subroutines, int single_inst, int count) |
c2d11a7d | 733 | { |
0d06e24b JM |
734 | struct continuation_arg *arg1; |
735 | struct continuation_arg *arg2; | |
736 | struct continuation_arg *arg3; | |
737 | struct frame_info *frame; | |
c2d11a7d JM |
738 | |
739 | if (count > 0) | |
c906108c SS |
740 | { |
741 | clear_proceed_status (); | |
742 | ||
743 | frame = get_current_frame (); | |
c5aa993b | 744 | if (!frame) /* Avoid coredump here. Why tho? */ |
c906108c | 745 | error ("No current frame"); |
aa0cd9c1 | 746 | step_frame_id = get_frame_id (frame); |
c906108c SS |
747 | step_sp = read_sp (); |
748 | ||
c5aa993b | 749 | if (!single_inst) |
c906108c SS |
750 | { |
751 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
5fbbeb29 CF |
752 | |
753 | /* If we have no line info, switch to stepi mode. */ | |
754 | if (step_range_end == 0 && step_stop_if_no_debug) | |
755 | { | |
756 | step_range_start = step_range_end = 1; | |
757 | } | |
758 | else if (step_range_end == 0) | |
c906108c SS |
759 | { |
760 | char *name; | |
761 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
762 | &step_range_end) == 0) | |
763 | error ("Cannot find bounds of current function"); | |
764 | ||
765 | target_terminal_ours (); | |
766 | printf_filtered ("\ | |
767 | Single stepping until exit from function %s, \n\ | |
768 | which has no line number information.\n", name); | |
769 | } | |
770 | } | |
771 | else | |
772 | { | |
773 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
774 | step_range_start = step_range_end = 1; | |
775 | if (!skip_subroutines) | |
776 | /* It is stepi. | |
777 | Don't step over function calls, not even to functions lacking | |
778 | line numbers. */ | |
5fbbeb29 | 779 | step_over_calls = STEP_OVER_NONE; |
c906108c SS |
780 | } |
781 | ||
782 | if (skip_subroutines) | |
5fbbeb29 | 783 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
784 | |
785 | step_multi = (count > 1); | |
c2d11a7d JM |
786 | arg1 = |
787 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
788 | arg2 = | |
789 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
790 | arg3 = | |
791 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
792 | arg1->next = arg2; | |
57e687d9 | 793 | arg1->data.integer = skip_subroutines; |
c2d11a7d | 794 | arg2->next = arg3; |
57e687d9 | 795 | arg2->data.integer = single_inst; |
c2d11a7d | 796 | arg3->next = NULL; |
57e687d9 | 797 | arg3->data.integer = count; |
c2d11a7d | 798 | add_intermediate_continuation (step_1_continuation, arg1); |
2acceee2 | 799 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c | 800 | } |
c906108c | 801 | } |
c2d11a7d | 802 | |
c906108c SS |
803 | \f |
804 | /* Continue program at specified address. */ | |
805 | ||
806 | static void | |
fba45db2 | 807 | jump_command (char *arg, int from_tty) |
c906108c SS |
808 | { |
809 | register CORE_ADDR addr; | |
810 | struct symtabs_and_lines sals; | |
811 | struct symtab_and_line sal; | |
812 | struct symbol *fn; | |
813 | struct symbol *sfn; | |
43ff13b4 | 814 | int async_exec = 0; |
c5aa993b | 815 | |
c906108c SS |
816 | ERROR_NO_INFERIOR; |
817 | ||
43ff13b4 JM |
818 | /* Find out whether we must run in the background. */ |
819 | if (arg != NULL) | |
820 | async_exec = strip_bg_char (&arg); | |
821 | ||
822 | /* If we must run in the background, but the target can't do it, | |
823 | error out. */ | |
6426a772 | 824 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
825 | error ("Asynchronous execution not supported on this target."); |
826 | ||
827 | /* If we are not asked to run in the bg, then prepare to run in the | |
828 | foreground, synchronously. */ | |
6426a772 | 829 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 830 | { |
43ff13b4 | 831 | /* Simulate synchronous execution */ |
6426a772 | 832 | async_disable_stdin (); |
43ff13b4 JM |
833 | } |
834 | ||
c906108c SS |
835 | if (!arg) |
836 | error_no_arg ("starting address"); | |
837 | ||
838 | sals = decode_line_spec_1 (arg, 1); | |
839 | if (sals.nelts != 1) | |
840 | { | |
841 | error ("Unreasonable jump request"); | |
842 | } | |
843 | ||
844 | sal = sals.sals[0]; | |
b8c9b27d | 845 | xfree (sals.sals); |
c906108c SS |
846 | |
847 | if (sal.symtab == 0 && sal.pc == 0) | |
848 | error ("No source file has been specified."); | |
849 | ||
c5aa993b | 850 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
851 | |
852 | /* See if we are trying to jump to another function. */ | |
853 | fn = get_frame_function (get_current_frame ()); | |
854 | sfn = find_pc_function (sal.pc); | |
855 | if (fn != NULL && sfn != fn) | |
856 | { | |
857 | if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line, | |
de5ad195 | 858 | SYMBOL_PRINT_NAME (fn))) |
c906108c SS |
859 | { |
860 | error ("Not confirmed."); | |
861 | /* NOTREACHED */ | |
862 | } | |
863 | } | |
864 | ||
c5aa993b | 865 | if (sfn != NULL) |
c906108c SS |
866 | { |
867 | fixup_symbol_section (sfn, 0); | |
c5aa993b | 868 | if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) && |
c906108c SS |
869 | !section_is_mapped (SYMBOL_BFD_SECTION (sfn))) |
870 | { | |
871 | if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? ")) | |
872 | { | |
873 | error ("Not confirmed."); | |
874 | /* NOTREACHED */ | |
875 | } | |
876 | } | |
877 | } | |
878 | ||
c906108c SS |
879 | addr = sal.pc; |
880 | ||
881 | if (from_tty) | |
882 | { | |
883 | printf_filtered ("Continuing at "); | |
884 | print_address_numeric (addr, 1, gdb_stdout); | |
885 | printf_filtered (".\n"); | |
886 | } | |
887 | ||
888 | clear_proceed_status (); | |
889 | proceed (addr, TARGET_SIGNAL_0, 0); | |
890 | } | |
c906108c | 891 | \f |
c5aa993b | 892 | |
c906108c SS |
893 | /* Go to line or address in current procedure */ |
894 | static void | |
fba45db2 | 895 | go_command (char *line_no, int from_tty) |
c906108c | 896 | { |
c5aa993b | 897 | if (line_no == (char *) NULL || !*line_no) |
b83266a0 | 898 | printf_filtered (GO_USAGE); |
c906108c SS |
899 | else |
900 | { | |
b83266a0 SS |
901 | tbreak_command (line_no, from_tty); |
902 | jump_command (line_no, from_tty); | |
c906108c SS |
903 | } |
904 | } | |
c906108c | 905 | \f |
c5aa993b | 906 | |
c906108c SS |
907 | /* Continue program giving it specified signal. */ |
908 | ||
909 | static void | |
fba45db2 | 910 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
911 | { |
912 | enum target_signal oursig; | |
913 | ||
914 | dont_repeat (); /* Too dangerous. */ | |
915 | ERROR_NO_INFERIOR; | |
916 | ||
917 | if (!signum_exp) | |
918 | error_no_arg ("signal number"); | |
919 | ||
920 | /* It would be even slicker to make signal names be valid expressions, | |
921 | (the type could be "enum $signal" or some such), then the user could | |
922 | assign them to convenience variables. */ | |
923 | oursig = target_signal_from_name (signum_exp); | |
924 | ||
925 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
926 | { | |
927 | /* No, try numeric. */ | |
bb518678 | 928 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
929 | |
930 | if (num == 0) | |
931 | oursig = TARGET_SIGNAL_0; | |
932 | else | |
933 | oursig = target_signal_from_command (num); | |
934 | } | |
935 | ||
936 | if (from_tty) | |
937 | { | |
938 | if (oursig == TARGET_SIGNAL_0) | |
939 | printf_filtered ("Continuing with no signal.\n"); | |
940 | else | |
941 | printf_filtered ("Continuing with signal %s.\n", | |
942 | target_signal_to_name (oursig)); | |
943 | } | |
944 | ||
945 | clear_proceed_status (); | |
946 | /* "signal 0" should not get stuck if we are stopped at a breakpoint. | |
947 | FIXME: Neither should "signal foo" but when I tried passing | |
948 | (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't | |
949 | tried to track down yet. */ | |
2acceee2 | 950 | proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0); |
c906108c SS |
951 | } |
952 | ||
c906108c SS |
953 | /* Proceed until we reach a different source line with pc greater than |
954 | our current one or exit the function. We skip calls in both cases. | |
955 | ||
956 | Note that eventually this command should probably be changed so | |
957 | that only source lines are printed out when we hit the breakpoint | |
958 | we set. This may involve changes to wait_for_inferior and the | |
959 | proceed status code. */ | |
960 | ||
961 | /* ARGSUSED */ | |
962 | static void | |
fba45db2 | 963 | until_next_command (int from_tty) |
c906108c SS |
964 | { |
965 | struct frame_info *frame; | |
966 | CORE_ADDR pc; | |
967 | struct symbol *func; | |
968 | struct symtab_and_line sal; | |
c5aa993b | 969 | |
c906108c SS |
970 | clear_proceed_status (); |
971 | ||
972 | frame = get_current_frame (); | |
973 | ||
974 | /* Step until either exited from this function or greater | |
975 | than the current line (if in symbolic section) or pc (if | |
976 | not). */ | |
977 | ||
978 | pc = read_pc (); | |
979 | func = find_pc_function (pc); | |
c5aa993b | 980 | |
c906108c SS |
981 | if (!func) |
982 | { | |
983 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 984 | |
c906108c SS |
985 | if (msymbol == NULL) |
986 | error ("Execution is not within a known function."); | |
c5aa993b | 987 | |
c906108c SS |
988 | step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
989 | step_range_end = pc; | |
990 | } | |
991 | else | |
992 | { | |
993 | sal = find_pc_line (pc, 0); | |
c5aa993b | 994 | |
c906108c SS |
995 | step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
996 | step_range_end = sal.end; | |
997 | } | |
c5aa993b | 998 | |
5fbbeb29 | 999 | step_over_calls = STEP_OVER_ALL; |
aa0cd9c1 | 1000 | step_frame_id = get_frame_id (frame); |
c906108c SS |
1001 | step_sp = read_sp (); |
1002 | ||
1003 | step_multi = 0; /* Only one call to proceed */ | |
c5aa993b | 1004 | |
2acceee2 | 1005 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
1006 | } |
1007 | ||
c5aa993b | 1008 | static void |
fba45db2 | 1009 | until_command (char *arg, int from_tty) |
c906108c | 1010 | { |
43ff13b4 JM |
1011 | int async_exec = 0; |
1012 | ||
c906108c SS |
1013 | if (!target_has_execution) |
1014 | error ("The program is not running."); | |
43ff13b4 JM |
1015 | |
1016 | /* Find out whether we must run in the background. */ | |
1017 | if (arg != NULL) | |
1018 | async_exec = strip_bg_char (&arg); | |
1019 | ||
1020 | /* If we must run in the background, but the target can't do it, | |
1021 | error out. */ | |
6426a772 | 1022 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1023 | error ("Asynchronous execution not supported on this target."); |
1024 | ||
1025 | /* If we are not asked to run in the bg, then prepare to run in the | |
1026 | foreground, synchronously. */ | |
6426a772 | 1027 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1028 | { |
43ff13b4 | 1029 | /* Simulate synchronous execution */ |
6426a772 | 1030 | async_disable_stdin (); |
43ff13b4 JM |
1031 | } |
1032 | ||
c906108c | 1033 | if (arg) |
ae66c1fc | 1034 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1035 | else |
1036 | until_next_command (from_tty); | |
1037 | } | |
ae66c1fc EZ |
1038 | |
1039 | static void | |
1040 | advance_command (char *arg, int from_tty) | |
1041 | { | |
1042 | int async_exec = 0; | |
1043 | ||
1044 | if (!target_has_execution) | |
1045 | error ("The program is not running."); | |
1046 | ||
1047 | if (arg == NULL) | |
1048 | error_no_arg ("a location"); | |
1049 | ||
1050 | /* Find out whether we must run in the background. */ | |
1051 | if (arg != NULL) | |
1052 | async_exec = strip_bg_char (&arg); | |
1053 | ||
1054 | /* If we must run in the background, but the target can't do it, | |
1055 | error out. */ | |
1056 | if (event_loop_p && async_exec && !target_can_async_p ()) | |
1057 | error ("Asynchronous execution not supported on this target."); | |
1058 | ||
1059 | /* If we are not asked to run in the bg, then prepare to run in the | |
1060 | foreground, synchronously. */ | |
1061 | if (event_loop_p && !async_exec && target_can_async_p ()) | |
1062 | { | |
1063 | /* Simulate synchronous execution. */ | |
1064 | async_disable_stdin (); | |
1065 | } | |
1066 | ||
1067 | until_break_command (arg, from_tty, 1); | |
1068 | } | |
c906108c | 1069 | \f |
43ff13b4 | 1070 | |
11cf8741 JM |
1071 | /* Print the result of a function at the end of a 'finish' command. */ |
1072 | static void | |
1073 | print_return_value (int structure_return, struct type *value_type) | |
1074 | { | |
3d6d86c6 | 1075 | struct value *value; |
8b93c638 | 1076 | static struct ui_stream *stb = NULL; |
11cf8741 JM |
1077 | |
1078 | if (!structure_return) | |
1079 | { | |
c48a845b | 1080 | value = value_being_returned (value_type, stop_registers, 0, 0); |
8b93c638 JM |
1081 | stb = ui_out_stream_new (uiout); |
1082 | ui_out_text (uiout, "Value returned is "); | |
c48a845b MS |
1083 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", |
1084 | record_latest_value (value)); | |
9549d9c1 | 1085 | ui_out_text (uiout, " = "); |
8b93c638 JM |
1086 | value_print (value, stb->stream, 0, Val_no_prettyprint); |
1087 | ui_out_field_stream (uiout, "return-value", stb); | |
1088 | ui_out_text (uiout, "\n"); | |
11cf8741 JM |
1089 | } |
1090 | else | |
1091 | { | |
11cf8741 | 1092 | #ifdef VALUE_RETURNED_FROM_STACK |
c48a845b MS |
1093 | /* We cannot determine the contents of the structure because it |
1094 | is on the stack, and we don't know where, since we did not | |
1095 | initiate the call, as opposed to the call_function_by_hand | |
1096 | case. */ | |
11cf8741 | 1097 | value = 0; |
8b93c638 JM |
1098 | ui_out_text (uiout, "Value returned has type: "); |
1099 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); | |
1100 | ui_out_text (uiout, "."); | |
1101 | ui_out_text (uiout, " Cannot determine contents\n"); | |
11cf8741 | 1102 | #else |
c48a845b MS |
1103 | value = value_being_returned (value_type, stop_registers, |
1104 | structure_return, 0); | |
8b93c638 JM |
1105 | stb = ui_out_stream_new (uiout); |
1106 | ui_out_text (uiout, "Value returned is "); | |
c48a845b MS |
1107 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", |
1108 | record_latest_value (value)); | |
28ae27b1 | 1109 | ui_out_text (uiout, " = "); |
8b93c638 JM |
1110 | value_print (value, stb->stream, 0, Val_no_prettyprint); |
1111 | ui_out_field_stream (uiout, "return-value", stb); | |
1112 | ui_out_text (uiout, "\n"); | |
11cf8741 JM |
1113 | #endif |
1114 | } | |
1115 | } | |
1116 | ||
43ff13b4 JM |
1117 | /* Stuff that needs to be done by the finish command after the target |
1118 | has stopped. In asynchronous mode, we wait for the target to stop in | |
1119 | the call to poll or select in the event loop, so it is impossible to | |
1120 | do all the stuff as part of the finish_command function itself. The | |
1121 | only chance we have to complete this command is in | |
1122 | fetch_inferior_event, which is called by the event loop as soon as it | |
1123 | detects that the target has stopped. This function is called via the | |
6953f3ba | 1124 | cmd_continuation pointer. */ |
43ff13b4 | 1125 | void |
fba45db2 | 1126 | finish_command_continuation (struct continuation_arg *arg) |
43ff13b4 JM |
1127 | { |
1128 | register struct symbol *function; | |
1129 | struct breakpoint *breakpoint; | |
0d06e24b | 1130 | struct cleanup *cleanups; |
c5aa993b | 1131 | |
57e687d9 MS |
1132 | breakpoint = (struct breakpoint *) arg->data.pointer; |
1133 | function = (struct symbol *) arg->next->data.pointer; | |
1134 | cleanups = (struct cleanup *) arg->next->next->data.pointer; | |
43ff13b4 | 1135 | |
c5aa993b | 1136 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
43ff13b4 JM |
1137 | && function != 0) |
1138 | { | |
1139 | struct type *value_type; | |
43ff13b4 JM |
1140 | CORE_ADDR funcaddr; |
1141 | int struct_return; | |
1142 | ||
1143 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1144 | if (!value_type) | |
8e65ff28 AC |
1145 | internal_error (__FILE__, __LINE__, |
1146 | "finish_command: function has no target type"); | |
c5aa993b | 1147 | |
43ff13b4 JM |
1148 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1149 | { | |
0d06e24b | 1150 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1151 | return; |
1152 | } | |
1153 | ||
1154 | funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); | |
1155 | ||
1156 | struct_return = using_struct_return (value_of_variable (function, NULL), | |
c5aa993b JM |
1157 | funcaddr, |
1158 | check_typedef (value_type), | |
11cf8741 | 1159 | BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))); |
43ff13b4 | 1160 | |
11cf8741 | 1161 | print_return_value (struct_return, value_type); |
43ff13b4 | 1162 | } |
0d06e24b | 1163 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1164 | } |
1165 | ||
c906108c SS |
1166 | /* "finish": Set a temporary breakpoint at the place |
1167 | the selected frame will return to, then continue. */ | |
1168 | ||
1169 | static void | |
fba45db2 | 1170 | finish_command (char *arg, int from_tty) |
c906108c SS |
1171 | { |
1172 | struct symtab_and_line sal; | |
1173 | register struct frame_info *frame; | |
1174 | register struct symbol *function; | |
1175 | struct breakpoint *breakpoint; | |
1176 | struct cleanup *old_chain; | |
0d06e24b | 1177 | struct continuation_arg *arg1, *arg2, *arg3; |
43ff13b4 JM |
1178 | |
1179 | int async_exec = 0; | |
1180 | ||
1181 | /* Find out whether we must run in the background. */ | |
1182 | if (arg != NULL) | |
1183 | async_exec = strip_bg_char (&arg); | |
1184 | ||
1185 | /* If we must run in the background, but the target can't do it, | |
1186 | error out. */ | |
6426a772 | 1187 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1188 | error ("Asynchronous execution not supported on this target."); |
1189 | ||
1190 | /* If we are not asked to run in the bg, then prepare to run in the | |
1191 | foreground, synchronously. */ | |
6426a772 | 1192 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1193 | { |
43ff13b4 | 1194 | /* Simulate synchronous execution */ |
6426a772 | 1195 | async_disable_stdin (); |
43ff13b4 | 1196 | } |
c906108c SS |
1197 | |
1198 | if (arg) | |
1199 | error ("The \"finish\" command does not take any arguments."); | |
1200 | if (!target_has_execution) | |
1201 | error ("The program is not running."); | |
6e7f8b9c | 1202 | if (deprecated_selected_frame == NULL) |
c906108c SS |
1203 | error ("No selected frame."); |
1204 | ||
6e7f8b9c | 1205 | frame = get_prev_frame (deprecated_selected_frame); |
c906108c SS |
1206 | if (frame == 0) |
1207 | error ("\"finish\" not meaningful in the outermost frame."); | |
1208 | ||
1209 | clear_proceed_status (); | |
1210 | ||
bdd78e62 AC |
1211 | sal = find_pc_line (get_frame_pc (frame), 0); |
1212 | sal.pc = get_frame_pc (frame); | |
c906108c | 1213 | |
818dd999 | 1214 | breakpoint = set_momentary_breakpoint (sal, get_frame_id (frame), bp_finish); |
c906108c | 1215 | |
6426a772 | 1216 | if (!event_loop_p || !target_can_async_p ()) |
4d6140d9 | 1217 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
43ff13b4 | 1218 | else |
4d6140d9 | 1219 | old_chain = make_exec_cleanup_delete_breakpoint (breakpoint); |
c906108c SS |
1220 | |
1221 | /* Find the function we will return from. */ | |
1222 | ||
bdd78e62 | 1223 | function = find_pc_function (get_frame_pc (deprecated_selected_frame)); |
c906108c SS |
1224 | |
1225 | /* Print info on the selected frame, including level number | |
1226 | but not source. */ | |
1227 | if (from_tty) | |
1228 | { | |
1229 | printf_filtered ("Run till exit from "); | |
6e7f8b9c AC |
1230 | print_stack_frame (deprecated_selected_frame, |
1231 | frame_relative_level (deprecated_selected_frame), 0); | |
c906108c SS |
1232 | } |
1233 | ||
43ff13b4 JM |
1234 | /* If running asynchronously and the target support asynchronous |
1235 | execution, set things up for the rest of the finish command to be | |
1236 | completed later on, when gdb has detected that the target has | |
1237 | stopped, in fetch_inferior_event. */ | |
6426a772 | 1238 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1239 | { |
c5aa993b | 1240 | arg1 = |
43ff13b4 | 1241 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
c5aa993b | 1242 | arg2 = |
43ff13b4 | 1243 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
0d06e24b JM |
1244 | arg3 = |
1245 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
43ff13b4 | 1246 | arg1->next = arg2; |
0d06e24b JM |
1247 | arg2->next = arg3; |
1248 | arg3->next = NULL; | |
57e687d9 MS |
1249 | arg1->data.pointer = breakpoint; |
1250 | arg2->data.pointer = function; | |
1251 | arg3->data.pointer = old_chain; | |
43ff13b4 JM |
1252 | add_continuation (finish_command_continuation, arg1); |
1253 | } | |
1254 | ||
c5aa993b | 1255 | proceed_to_finish = 1; /* We want stop_registers, please... */ |
2acceee2 | 1256 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c | 1257 | |
43ff13b4 JM |
1258 | /* Do this only if not running asynchronously or if the target |
1259 | cannot do async execution. Otherwise, complete this command when | |
c5aa993b | 1260 | the target actually stops, in fetch_inferior_event. */ |
6426a772 | 1261 | if (!event_loop_p || !target_can_async_p ()) |
c5aa993b JM |
1262 | { |
1263 | ||
1264 | /* Did we stop at our breakpoint? */ | |
1265 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL | |
1266 | && function != 0) | |
1267 | { | |
1268 | struct type *value_type; | |
c5aa993b JM |
1269 | CORE_ADDR funcaddr; |
1270 | int struct_return; | |
1271 | ||
1272 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1273 | if (!value_type) | |
8e65ff28 AC |
1274 | internal_error (__FILE__, __LINE__, |
1275 | "finish_command: function has no target type"); | |
c5aa993b JM |
1276 | |
1277 | /* FIXME: Shouldn't we do the cleanups before returning? */ | |
1278 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) | |
1279 | return; | |
1280 | ||
1281 | funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); | |
1282 | ||
1283 | struct_return = | |
1284 | using_struct_return (value_of_variable (function, NULL), | |
1285 | funcaddr, | |
1286 | check_typedef (value_type), | |
1287 | BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))); | |
1288 | ||
11cf8741 | 1289 | print_return_value (struct_return, value_type); |
c5aa993b JM |
1290 | } |
1291 | do_cleanups (old_chain); | |
1292 | } | |
c906108c SS |
1293 | } |
1294 | \f | |
1295 | /* ARGSUSED */ | |
1296 | static void | |
fba45db2 | 1297 | program_info (char *args, int from_tty) |
c906108c SS |
1298 | { |
1299 | bpstat bs = stop_bpstat; | |
1300 | int num = bpstat_num (&bs); | |
c5aa993b | 1301 | |
c906108c SS |
1302 | if (!target_has_execution) |
1303 | { | |
1304 | printf_filtered ("The program being debugged is not being run.\n"); | |
1305 | return; | |
1306 | } | |
1307 | ||
1308 | target_files_info (); | |
1309 | printf_filtered ("Program stopped at %s.\n", | |
c5aa993b | 1310 | local_hex_string ((unsigned long) stop_pc)); |
c906108c SS |
1311 | if (stop_step) |
1312 | printf_filtered ("It stopped after being stepped.\n"); | |
1313 | else if (num != 0) | |
1314 | { | |
1315 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1316 | isn't as strange as it seems. */ |
c906108c SS |
1317 | while (num != 0) |
1318 | { | |
1319 | if (num < 0) | |
1320 | { | |
1321 | printf_filtered ("It stopped at a breakpoint that has "); | |
1322 | printf_filtered ("since been deleted.\n"); | |
1323 | } | |
1324 | else | |
1325 | printf_filtered ("It stopped at breakpoint %d.\n", num); | |
1326 | num = bpstat_num (&bs); | |
1327 | } | |
1328 | } | |
1329 | else if (stop_signal != TARGET_SIGNAL_0) | |
1330 | { | |
1331 | printf_filtered ("It stopped with signal %s, %s.\n", | |
1332 | target_signal_to_name (stop_signal), | |
1333 | target_signal_to_string (stop_signal)); | |
1334 | } | |
1335 | ||
1336 | if (!from_tty) | |
1337 | { | |
1338 | printf_filtered ("Type \"info stack\" or \"info registers\" "); | |
1339 | printf_filtered ("for more information.\n"); | |
1340 | } | |
1341 | } | |
1342 | \f | |
1343 | static void | |
fba45db2 | 1344 | environment_info (char *var, int from_tty) |
c906108c SS |
1345 | { |
1346 | if (var) | |
1347 | { | |
1348 | register char *val = get_in_environ (inferior_environ, var); | |
1349 | if (val) | |
1350 | { | |
1351 | puts_filtered (var); | |
1352 | puts_filtered (" = "); | |
1353 | puts_filtered (val); | |
1354 | puts_filtered ("\n"); | |
1355 | } | |
1356 | else | |
1357 | { | |
1358 | puts_filtered ("Environment variable \""); | |
1359 | puts_filtered (var); | |
1360 | puts_filtered ("\" not defined.\n"); | |
1361 | } | |
1362 | } | |
1363 | else | |
1364 | { | |
1365 | register char **vector = environ_vector (inferior_environ); | |
1366 | while (*vector) | |
1367 | { | |
1368 | puts_filtered (*vector++); | |
1369 | puts_filtered ("\n"); | |
1370 | } | |
1371 | } | |
1372 | } | |
1373 | ||
1374 | static void | |
fba45db2 | 1375 | set_environment_command (char *arg, int from_tty) |
c906108c SS |
1376 | { |
1377 | register char *p, *val, *var; | |
1378 | int nullset = 0; | |
1379 | ||
1380 | if (arg == 0) | |
1381 | error_no_arg ("environment variable and value"); | |
1382 | ||
1383 | /* Find seperation between variable name and value */ | |
1384 | p = (char *) strchr (arg, '='); | |
1385 | val = (char *) strchr (arg, ' '); | |
1386 | ||
1387 | if (p != 0 && val != 0) | |
1388 | { | |
1389 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1390 | equals, walk forward over the spaces til we see a nonspace |
1391 | (possibly the equals). */ | |
c906108c SS |
1392 | if (p > val) |
1393 | while (*val == ' ') | |
1394 | val++; | |
1395 | ||
1396 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1397 | take the char following the spaces. */ |
c906108c SS |
1398 | if (p > val) |
1399 | p = val - 1; | |
1400 | } | |
1401 | else if (val != 0 && p == 0) | |
1402 | p = val; | |
1403 | ||
1404 | if (p == arg) | |
1405 | error_no_arg ("environment variable to set"); | |
1406 | ||
1407 | if (p == 0 || p[1] == 0) | |
1408 | { | |
1409 | nullset = 1; | |
1410 | if (p == 0) | |
1411 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1412 | } | |
1413 | else | |
1414 | { | |
1415 | /* Not setting variable value to null */ | |
1416 | val = p + 1; | |
1417 | while (*val == ' ' || *val == '\t') | |
1418 | val++; | |
1419 | } | |
1420 | ||
c5aa993b JM |
1421 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1422 | p--; | |
c906108c SS |
1423 | |
1424 | var = savestring (arg, p - arg); | |
1425 | if (nullset) | |
1426 | { | |
1427 | printf_filtered ("Setting environment variable "); | |
1428 | printf_filtered ("\"%s\" to null value.\n", var); | |
1429 | set_in_environ (inferior_environ, var, ""); | |
1430 | } | |
1431 | else | |
1432 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1433 | xfree (var); |
c906108c SS |
1434 | } |
1435 | ||
1436 | static void | |
fba45db2 | 1437 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1438 | { |
1439 | if (var == 0) | |
1440 | { | |
1441 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1442 | Ask for confirmation if reading from the terminal. */ |
c906108c SS |
1443 | if (!from_tty || query ("Delete all environment variables? ")) |
1444 | { | |
1445 | free_environ (inferior_environ); | |
1446 | inferior_environ = make_environ (); | |
1447 | } | |
1448 | } | |
1449 | else | |
1450 | unset_in_environ (inferior_environ, var); | |
1451 | } | |
1452 | ||
1453 | /* Handle the execution path (PATH variable) */ | |
1454 | ||
1455 | static const char path_var_name[] = "PATH"; | |
1456 | ||
1457 | /* ARGSUSED */ | |
1458 | static void | |
fba45db2 | 1459 | path_info (char *args, int from_tty) |
c906108c SS |
1460 | { |
1461 | puts_filtered ("Executable and object file path: "); | |
1462 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1463 | puts_filtered ("\n"); | |
1464 | } | |
1465 | ||
1466 | /* Add zero or more directories to the front of the execution path. */ | |
1467 | ||
1468 | static void | |
fba45db2 | 1469 | path_command (char *dirname, int from_tty) |
c906108c SS |
1470 | { |
1471 | char *exec_path; | |
1472 | char *env; | |
1473 | dont_repeat (); | |
1474 | env = get_in_environ (inferior_environ, path_var_name); | |
1475 | /* Can be null if path is not set */ | |
1476 | if (!env) | |
1477 | env = ""; | |
4fcf66da | 1478 | exec_path = xstrdup (env); |
c906108c SS |
1479 | mod_path (dirname, &exec_path); |
1480 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1481 | xfree (exec_path); |
c906108c | 1482 | if (from_tty) |
c5aa993b | 1483 | path_info ((char *) NULL, from_tty); |
c906108c | 1484 | } |
c906108c | 1485 | \f |
c5aa993b | 1486 | |
c906108c SS |
1487 | #ifdef REGISTER_NAMES |
1488 | char *gdb_register_names[] = REGISTER_NAMES; | |
1489 | #endif | |
4782dc19 | 1490 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1491 | registers (print_all == 1) or all non-float and non-vector |
1492 | registers (print_all == 0). | |
c906108c SS |
1493 | |
1494 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1495 | register(s) one per line is good enough. If a different format is |
1496 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1497 | regs), or there is an existing convention for showing all the | |
1498 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1499 | provide that format. */ | |
c906108c | 1500 | |
666e11c5 | 1501 | void |
0ab7a791 AC |
1502 | default_print_registers_info (struct gdbarch *gdbarch, |
1503 | struct ui_file *file, | |
1504 | struct frame_info *frame, | |
1505 | int regnum, int print_all) | |
c906108c | 1506 | { |
0ab7a791 AC |
1507 | int i; |
1508 | const int numregs = NUM_REGS + NUM_PSEUDO_REGS; | |
0c92afe8 AC |
1509 | char raw_buffer[MAX_REGISTER_SIZE]; |
1510 | char virtual_buffer[MAX_REGISTER_SIZE]; | |
0ab7a791 | 1511 | |
903ad3a6 | 1512 | if (DEPRECATED_DO_REGISTERS_INFO_P ()) |
0ab7a791 | 1513 | { |
903ad3a6 | 1514 | DEPRECATED_DO_REGISTERS_INFO (regnum, print_all); |
0ab7a791 AC |
1515 | return; |
1516 | } | |
c906108c SS |
1517 | |
1518 | for (i = 0; i < numregs; i++) | |
1519 | { | |
4782dc19 AC |
1520 | /* Decide between printing all regs, non-float / vector regs, or |
1521 | specific reg. */ | |
c5aa993b JM |
1522 | if (regnum == -1) |
1523 | { | |
f9418c0f | 1524 | if (print_all) |
4782dc19 | 1525 | { |
f9418c0f | 1526 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1527 | continue; |
f9418c0f AC |
1528 | } |
1529 | else | |
1530 | { | |
1531 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1532 | continue; |
1533 | } | |
c5aa993b JM |
1534 | } |
1535 | else | |
1536 | { | |
1537 | if (i != regnum) | |
1538 | continue; | |
1539 | } | |
c906108c SS |
1540 | |
1541 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1542 | processor, so don't display anything. */ |
c906108c SS |
1543 | if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0') |
1544 | continue; | |
1545 | ||
0ab7a791 AC |
1546 | fputs_filtered (REGISTER_NAME (i), file); |
1547 | print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file); | |
c906108c SS |
1548 | |
1549 | /* Get the data in raw format. */ | |
0ab7a791 | 1550 | if (! frame_register_read (frame, i, raw_buffer)) |
c906108c | 1551 | { |
0ab7a791 | 1552 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1553 | continue; |
1554 | } | |
1555 | ||
0ab7a791 AC |
1556 | /* FIXME: cagney/2002-08-03: This code shouldn't be necessary. |
1557 | The function frame_register_read() should have returned the | |
1558 | pre-cooked register so no conversion is necessary. */ | |
c906108c | 1559 | /* Convert raw data to virtual format if necessary. */ |
781a750d | 1560 | if (DEPRECATED_REGISTER_CONVERTIBLE (i)) |
c906108c | 1561 | { |
781a750d | 1562 | DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL (i, register_type (current_gdbarch, i), |
c906108c SS |
1563 | raw_buffer, virtual_buffer); |
1564 | } | |
1565 | else | |
392a587b JM |
1566 | { |
1567 | memcpy (virtual_buffer, raw_buffer, | |
1568 | REGISTER_VIRTUAL_SIZE (i)); | |
1569 | } | |
c906108c | 1570 | |
0ab7a791 AC |
1571 | /* If virtual format is floating, print it that way, and in raw |
1572 | hex. */ | |
7b83296f | 1573 | if (TYPE_CODE (register_type (current_gdbarch, i)) == TYPE_CODE_FLT) |
c906108c | 1574 | { |
0ab7a791 | 1575 | int j; |
c906108c | 1576 | |
7b83296f | 1577 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
0ab7a791 | 1578 | file, 0, 1, 0, Val_pretty_default); |
c906108c | 1579 | |
0ab7a791 | 1580 | fprintf_filtered (file, "\t(raw 0x"); |
c906108c SS |
1581 | for (j = 0; j < REGISTER_RAW_SIZE (i); j++) |
1582 | { | |
0ab7a791 AC |
1583 | int idx; |
1584 | if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) | |
1585 | idx = j; | |
1586 | else | |
1587 | idx = REGISTER_RAW_SIZE (i) - 1 - j; | |
1588 | fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]); | |
c906108c | 1589 | } |
0ab7a791 | 1590 | fprintf_filtered (file, ")"); |
c906108c | 1591 | } |
c906108c SS |
1592 | else |
1593 | { | |
ab4327e0 | 1594 | /* Print the register in hex. */ |
7b83296f | 1595 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
9d84ac84 | 1596 | file, 'x', 1, 0, Val_pretty_default); |
ab4327e0 EZ |
1597 | /* If not a vector register, print it also according to its |
1598 | natural format. */ | |
7b83296f | 1599 | if (TYPE_VECTOR (register_type (current_gdbarch, i)) == 0) |
ab4327e0 | 1600 | { |
9d84ac84 | 1601 | fprintf_filtered (file, "\t"); |
7b83296f | 1602 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
9d84ac84 | 1603 | file, 0, 1, 0, Val_pretty_default); |
ab4327e0 | 1604 | } |
c906108c SS |
1605 | } |
1606 | ||
0ab7a791 | 1607 | fprintf_filtered (file, "\n"); |
c906108c SS |
1608 | } |
1609 | } | |
c906108c | 1610 | |
c906108c | 1611 | void |
fba45db2 | 1612 | registers_info (char *addr_exp, int fpregs) |
c906108c SS |
1613 | { |
1614 | int regnum, numregs; | |
1615 | register char *end; | |
1616 | ||
1617 | if (!target_has_registers) | |
1618 | error ("The program has no registers now."); | |
6e7f8b9c | 1619 | if (deprecated_selected_frame == NULL) |
c906108c SS |
1620 | error ("No selected frame."); |
1621 | ||
1622 | if (!addr_exp) | |
1623 | { | |
0ab7a791 | 1624 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, |
6e7f8b9c | 1625 | deprecated_selected_frame, -1, fpregs); |
c906108c SS |
1626 | return; |
1627 | } | |
1628 | ||
f9418c0f | 1629 | while (*addr_exp != '\0') |
c5aa993b | 1630 | { |
f9418c0f AC |
1631 | char *start; |
1632 | const char *end; | |
c906108c | 1633 | |
f9418c0f AC |
1634 | /* Keep skipping leading white space. */ |
1635 | if (isspace ((*addr_exp))) | |
1636 | { | |
1637 | addr_exp++; | |
1638 | continue; | |
1639 | } | |
c906108c | 1640 | |
f9418c0f AC |
1641 | /* Discard any leading ``$''. Check that there is something |
1642 | resembling a register following it. */ | |
1643 | if (addr_exp[0] == '$') | |
1644 | addr_exp++; | |
1645 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
1646 | error ("Missing register name"); | |
c906108c | 1647 | |
f9418c0f AC |
1648 | /* Find the start/end of this register name/num/group. */ |
1649 | start = addr_exp; | |
1650 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1651 | addr_exp++; | |
1652 | end = addr_exp; | |
1653 | ||
1654 | /* Figure out what we've found and display it. */ | |
1655 | ||
1656 | /* A register name? */ | |
1657 | { | |
eb8bc282 AC |
1658 | int regnum = frame_map_name_to_regnum (deprecated_selected_frame, |
1659 | start, end - start); | |
f9418c0f AC |
1660 | if (regnum >= 0) |
1661 | { | |
1662 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1663 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1664 | continue; |
1665 | } | |
1666 | } | |
1667 | ||
1668 | /* A register number? (how portable is this one?). */ | |
1669 | { | |
1670 | char *endptr; | |
1671 | int regnum = strtol (start, &endptr, 0); | |
1672 | if (endptr == end | |
1673 | && regnum >= 0 | |
1674 | && regnum < NUM_REGS + NUM_PSEUDO_REGS) | |
1675 | { | |
1676 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1677 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1678 | continue; |
1679 | } | |
1680 | } | |
1681 | ||
1682 | /* A register group? */ | |
1683 | { | |
1684 | struct reggroup *const *group; | |
1685 | for (group = reggroups (current_gdbarch); | |
1686 | (*group) != NULL; | |
1687 | group++) | |
1688 | { | |
1689 | /* Don't bother with a length check. Should the user | |
1690 | enter a short register group name, go with the first | |
1691 | group that matches. */ | |
1692 | if (strncmp (start, reggroup_name ((*group)), end - start) == 0) | |
1693 | break; | |
1694 | } | |
1695 | if ((*group) != NULL) | |
1696 | { | |
1697 | int regnum; | |
1698 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) | |
1699 | { | |
1700 | if (gdbarch_register_reggroup_p (current_gdbarch, regnum, | |
1701 | (*group))) | |
1702 | gdbarch_print_registers_info (current_gdbarch, | |
6e7f8b9c | 1703 | gdb_stdout, deprecated_selected_frame, |
f9418c0f AC |
1704 | regnum, fpregs); |
1705 | } | |
1706 | continue; | |
1707 | } | |
1708 | } | |
c906108c | 1709 | |
f9418c0f AC |
1710 | /* Nothing matched. */ |
1711 | error ("Invalid register `%.*s'", (int) (end - start), start); | |
c5aa993b | 1712 | } |
c906108c SS |
1713 | } |
1714 | ||
1715 | void | |
fba45db2 | 1716 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1717 | { |
1718 | registers_info (addr_exp, 1); | |
1719 | } | |
1720 | ||
a58dd373 | 1721 | static void |
fba45db2 | 1722 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1723 | { |
1724 | registers_info (addr_exp, 0); | |
1725 | } | |
e76f1f2e AC |
1726 | |
1727 | static void | |
1728 | print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, | |
1729 | struct frame_info *frame, const char *args) | |
1730 | { | |
e71ecd70 MK |
1731 | if (!target_has_registers) |
1732 | error ("The program has no registers now."); | |
6e7f8b9c | 1733 | if (deprecated_selected_frame == NULL) |
e71ecd70 MK |
1734 | error ("No selected frame."); |
1735 | ||
e76f1f2e AC |
1736 | if (gdbarch_print_vector_info_p (gdbarch)) |
1737 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
1738 | else | |
1739 | { | |
1740 | int regnum; | |
1741 | int printed_something = 0; | |
ab4327e0 | 1742 | |
e76f1f2e AC |
1743 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1744 | { | |
f9418c0f | 1745 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
1746 | { |
1747 | printed_something = 1; | |
e76f1f2e | 1748 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
1749 | } |
1750 | } | |
1751 | if (!printed_something) | |
1752 | fprintf_filtered (file, "No vector information\n"); | |
1753 | } | |
1754 | } | |
1755 | ||
1756 | static void | |
1757 | vector_info (char *args, int from_tty) | |
1758 | { | |
6e7f8b9c | 1759 | print_vector_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args); |
e76f1f2e | 1760 | } |
c906108c | 1761 | \f |
c5aa993b | 1762 | |
c906108c SS |
1763 | /* |
1764 | * TODO: | |
1765 | * Should save/restore the tty state since it might be that the | |
1766 | * program to be debugged was started on this tty and it wants | |
1767 | * the tty in some state other than what we want. If it's running | |
1768 | * on another terminal or without a terminal, then saving and | |
1769 | * restoring the tty state is a harmless no-op. | |
1770 | * This only needs to be done if we are attaching to a process. | |
1771 | */ | |
1772 | ||
1773 | /* | |
1774 | attach_command -- | |
1775 | takes a program started up outside of gdb and ``attaches'' to it. | |
1776 | This stops it cold in its tracks and allows us to start debugging it. | |
1777 | and wait for the trace-trap that results from attaching. */ | |
1778 | ||
1779 | void | |
fba45db2 | 1780 | attach_command (char *args, int from_tty) |
c906108c | 1781 | { |
c5aa993b JM |
1782 | char *exec_file; |
1783 | char *full_exec_path = NULL; | |
c906108c | 1784 | |
c5aa993b | 1785 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1786 | |
1787 | if (target_has_execution) | |
1788 | { | |
1789 | if (query ("A program is being debugged already. Kill it? ")) | |
1790 | target_kill (); | |
1791 | else | |
1792 | error ("Not killed."); | |
1793 | } | |
1794 | ||
1795 | target_attach (args, from_tty); | |
1796 | ||
1797 | /* Set up the "saved terminal modes" of the inferior | |
1798 | based on what modes we are starting it with. */ | |
1799 | target_terminal_init (); | |
1800 | ||
1801 | /* Install inferior's terminal modes. */ | |
1802 | target_terminal_inferior (); | |
1803 | ||
1804 | /* Set up execution context to know that we should return from | |
1805 | wait_for_inferior as soon as the target reports a stop. */ | |
1806 | init_wait_for_inferior (); | |
1807 | clear_proceed_status (); | |
c906108c SS |
1808 | |
1809 | /* No traps are generated when attaching to inferior under Mach 3 | |
1810 | or GNU hurd. */ | |
1811 | #ifndef ATTACH_NO_WAIT | |
c54cfec8 EZ |
1812 | /* Careful here. See comments in inferior.h. Basically some OSes |
1813 | don't ignore SIGSTOPs on continue requests anymore. We need a | |
1814 | way for handle_inferior_event to reset the stop_signal variable | |
1815 | after an attach, and this is what STOP_QUIETLY_NO_SIGSTOP is for. */ | |
c0236d92 | 1816 | stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c906108c | 1817 | wait_for_inferior (); |
c0236d92 | 1818 | stop_soon = NO_STOP_QUIETLY; |
c906108c SS |
1819 | #endif |
1820 | ||
1821 | /* | |
1822 | * If no exec file is yet known, try to determine it from the | |
1823 | * process itself. | |
1824 | */ | |
1825 | exec_file = (char *) get_exec_file (0); | |
c5aa993b JM |
1826 | if (!exec_file) |
1827 | { | |
39f77062 | 1828 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); |
c5aa993b JM |
1829 | if (exec_file) |
1830 | { | |
1831 | /* It's possible we don't have a full path, but rather just a | |
1832 | filename. Some targets, such as HP-UX, don't provide the | |
1833 | full path, sigh. | |
1834 | ||
1835 | Attempt to qualify the filename against the source path. | |
1836 | (If that fails, we'll just fall back on the original | |
1837 | filename. Not much more we can do...) | |
1838 | */ | |
1839 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1840 | full_exec_path = savestring (exec_file, strlen (exec_file)); | |
1841 | ||
1842 | exec_file_attach (full_exec_path, from_tty); | |
1adeb98a | 1843 | symbol_file_add_main (full_exec_path, from_tty); |
c5aa993b | 1844 | } |
c906108c | 1845 | } |
c906108c SS |
1846 | |
1847 | #ifdef SOLIB_ADD | |
990f9fe3 FF |
1848 | /* Add shared library symbols from the newly attached process, if any. */ |
1849 | SOLIB_ADD ((char *) 0, from_tty, ¤t_target, auto_solib_add); | |
1850 | re_enable_breakpoints_in_shlibs (); | |
c906108c SS |
1851 | #endif |
1852 | ||
1853 | /* Take any necessary post-attaching actions for this platform. | |
c5aa993b | 1854 | */ |
39f77062 | 1855 | target_post_attach (PIDGET (inferior_ptid)); |
c906108c SS |
1856 | |
1857 | normal_stop (); | |
6426a772 JM |
1858 | |
1859 | if (attach_hook) | |
1860 | attach_hook (); | |
c906108c SS |
1861 | } |
1862 | ||
1863 | /* | |
1864 | * detach_command -- | |
1865 | * takes a program previously attached to and detaches it. | |
1866 | * The program resumes execution and will no longer stop | |
1867 | * on signals, etc. We better not have left any breakpoints | |
1868 | * in the program or it'll die when it hits one. For this | |
1869 | * to work, it may be necessary for the process to have been | |
1870 | * previously attached. It *might* work if the program was | |
1871 | * started via the normal ptrace (PTRACE_TRACEME). | |
1872 | */ | |
1873 | ||
1874 | static void | |
fba45db2 | 1875 | detach_command (char *args, int from_tty) |
c906108c | 1876 | { |
c5aa993b | 1877 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1878 | target_detach (args, from_tty); |
1879 | #if defined(SOLIB_RESTART) | |
1880 | SOLIB_RESTART (); | |
1881 | #endif | |
6426a772 JM |
1882 | if (detach_hook) |
1883 | detach_hook (); | |
c906108c SS |
1884 | } |
1885 | ||
6ad8ae5c DJ |
1886 | /* Disconnect from the current target without resuming it (leaving it |
1887 | waiting for a debugger). | |
1888 | ||
1889 | We'd better not have left any breakpoints in the program or the | |
1890 | next debugger will get confused. Currently only supported for some | |
1891 | remote targets, since the normal attach mechanisms don't work on | |
1892 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
1893 | ||
1894 | static void | |
1895 | disconnect_command (char *args, int from_tty) | |
1896 | { | |
1897 | dont_repeat (); /* Not for the faint of heart */ | |
1898 | target_disconnect (args, from_tty); | |
1899 | #if defined(SOLIB_RESTART) | |
1900 | SOLIB_RESTART (); | |
1901 | #endif | |
1902 | if (detach_hook) | |
1903 | detach_hook (); | |
1904 | } | |
1905 | ||
43ff13b4 JM |
1906 | /* Stop the execution of the target while running in async mode, in |
1907 | the backgound. */ | |
8b93c638 | 1908 | void |
fba45db2 | 1909 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 1910 | { |
6426a772 | 1911 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1912 | { |
c5aa993b | 1913 | dont_repeat (); /* Not for the faint of heart */ |
43ff13b4 JM |
1914 | target_stop (); |
1915 | } | |
1916 | } | |
1917 | ||
c906108c SS |
1918 | /* ARGSUSED */ |
1919 | static void | |
23e3a7ac AC |
1920 | print_float_info (struct gdbarch *gdbarch, struct ui_file *file, |
1921 | struct frame_info *frame, const char *args) | |
c906108c | 1922 | { |
e71ecd70 MK |
1923 | if (!target_has_registers) |
1924 | error ("The program has no registers now."); | |
6e7f8b9c | 1925 | if (deprecated_selected_frame == NULL) |
e71ecd70 MK |
1926 | error ("No selected frame."); |
1927 | ||
23e3a7ac AC |
1928 | if (gdbarch_print_float_info_p (gdbarch)) |
1929 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
1930 | else | |
1931 | { | |
23e3a7ac AC |
1932 | int regnum; |
1933 | int printed_something = 0; | |
ab4327e0 | 1934 | |
23e3a7ac AC |
1935 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1936 | { | |
f9418c0f | 1937 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
1938 | { |
1939 | printed_something = 1; | |
23e3a7ac | 1940 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
1941 | } |
1942 | } | |
1943 | if (!printed_something) | |
1944 | fprintf_filtered (file, "\ | |
1945 | No floating-point info available for this processor.\n"); | |
23e3a7ac AC |
1946 | } |
1947 | } | |
1948 | ||
1949 | static void | |
1950 | float_info (char *args, int from_tty) | |
1951 | { | |
6e7f8b9c | 1952 | print_float_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args); |
c906108c SS |
1953 | } |
1954 | \f | |
1955 | /* ARGSUSED */ | |
1956 | static void | |
fba45db2 | 1957 | unset_command (char *args, int from_tty) |
c906108c SS |
1958 | { |
1959 | printf_filtered ("\"unset\" must be followed by the name of "); | |
1960 | printf_filtered ("an unset subcommand.\n"); | |
1961 | help_list (unsetlist, "unset ", -1, gdb_stdout); | |
1962 | } | |
1963 | ||
1964 | void | |
fba45db2 | 1965 | _initialize_infcmd (void) |
c906108c SS |
1966 | { |
1967 | struct cmd_list_element *c; | |
c5aa993b | 1968 | |
c94fdfd0 EZ |
1969 | c = add_com ("tty", class_run, tty_command, |
1970 | "Set terminal for future runs of program being debugged."); | |
5ba2abeb | 1971 | set_cmd_completer (c, filename_completer); |
c906108c | 1972 | |
fa58ee11 EZ |
1973 | c = add_set_cmd ("args", class_run, var_string_noescape, |
1974 | (char *) &inferior_args, | |
1975 | "Set argument list to give program being debugged when it is started.\n\ | |
c906108c | 1976 | Follow this command with any number of args, to be passed to the program.", |
fa58ee11 | 1977 | &setlist); |
5ba2abeb | 1978 | set_cmd_completer (c, filename_completer); |
9f60d481 | 1979 | set_cmd_sfunc (c, notice_args_set); |
552c04a7 | 1980 | c = add_show_from_set (c, &showlist); |
9f60d481 | 1981 | set_cmd_sfunc (c, notice_args_read); |
c906108c SS |
1982 | |
1983 | c = add_cmd | |
1984 | ("environment", no_class, environment_info, | |
1985 | "The environment to give the program, or one variable's value.\n\ | |
1986 | With an argument VAR, prints the value of environment variable VAR to\n\ | |
1987 | give the program being debugged. With no arguments, prints the entire\n\ | |
1988 | environment to be given to the program.", &showlist); | |
5ba2abeb | 1989 | set_cmd_completer (c, noop_completer); |
c906108c SS |
1990 | |
1991 | add_prefix_cmd ("unset", no_class, unset_command, | |
d4654627 | 1992 | "Complement to certain \"set\" commands.", |
c906108c | 1993 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 1994 | |
c906108c | 1995 | c = add_cmd ("environment", class_run, unset_environment_command, |
c5aa993b | 1996 | "Cancel environment variable VAR for the program.\n\ |
c906108c | 1997 | This does not affect the program until the next \"run\" command.", |
c5aa993b | 1998 | &unsetlist); |
5ba2abeb | 1999 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2000 | |
2001 | c = add_cmd ("environment", class_run, set_environment_command, | |
2002 | "Set environment variable value to give the program.\n\ | |
2003 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ | |
2004 | VALUES of environment variables are uninterpreted strings.\n\ | |
2005 | This does not affect the program until the next \"run\" command.", | |
c5aa993b | 2006 | &setlist); |
5ba2abeb | 2007 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2008 | |
fa58ee11 EZ |
2009 | c = add_com ("path", class_files, path_command, |
2010 | "Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2011 | $cwd in the path means the current working directory.\n\ |
2012 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2013 | directories, separated by colons. These directories are searched to find\n\ | |
2014 | fully linked executable files and separately compiled object files as needed."); | |
5ba2abeb | 2015 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2016 | |
2017 | c = add_cmd ("paths", no_class, path_info, | |
c5aa993b | 2018 | "Current search path for finding object files.\n\ |
c906108c SS |
2019 | $cwd in the path means the current working directory.\n\ |
2020 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2021 | directories, separated by colons. These directories are searched to find\n\ | |
2022 | fully linked executable files and separately compiled object files as needed.", | |
2023 | &showlist); | |
5ba2abeb | 2024 | set_cmd_completer (c, noop_completer); |
c906108c | 2025 | |
c5aa993b JM |
2026 | add_com ("attach", class_run, attach_command, |
2027 | "Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2028 | This command attaches to another target, of the same type as your last\n\ |
2029 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2030 | The command may take as argument a process id or a device file.\n\ | |
2031 | For a process id, you must have permission to send the process a signal,\n\ | |
2032 | and it must have the same effective uid as the debugger.\n\ | |
2033 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2034 | program running in the process, looking first in the current working\n\ | |
2035 | directory, or (if not found there) using the source file search path\n\ | |
2036 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
2037 | to specify the program, and to load its symbol table."); | |
2038 | ||
2039 | add_com ("detach", class_run, detach_command, | |
2040 | "Detach a process or file previously attached.\n\ | |
2041 | If a process, it is no longer traced, and it continues its execution. If\n\ | |
2042 | you were debugging a file, the file is closed and gdb no longer accesses it."); | |
2043 | ||
6ad8ae5c DJ |
2044 | add_com ("disconnect", class_run, disconnect_command, |
2045 | "Disconnect from a target.\n\ | |
2046 | The target will wait for another debugger to connect. Not available for\n\ | |
2047 | all targets."); | |
2048 | ||
c906108c SS |
2049 | add_com ("signal", class_run, signal_command, |
2050 | "Continue program giving it signal specified by the argument.\n\ | |
2051 | An argument of \"0\" means continue program without giving it a signal."); | |
2052 | ||
2053 | add_com ("stepi", class_run, stepi_command, | |
2054 | "Step one instruction exactly.\n\ | |
2055 | Argument N means do this N times (or till program stops for another reason)."); | |
2056 | add_com_alias ("si", "stepi", class_alias, 0); | |
2057 | ||
2058 | add_com ("nexti", class_run, nexti_command, | |
2059 | "Step one instruction, but proceed through subroutine calls.\n\ | |
2060 | Argument N means do this N times (or till program stops for another reason)."); | |
2061 | add_com_alias ("ni", "nexti", class_alias, 0); | |
2062 | ||
2063 | add_com ("finish", class_run, finish_command, | |
2064 | "Execute until selected stack frame returns.\n\ | |
2065 | Upon return, the value returned is printed and put in the value history."); | |
2066 | ||
2067 | add_com ("next", class_run, next_command, | |
2068 | "Step program, proceeding through subroutine calls.\n\ | |
2069 | Like the \"step\" command as long as subroutine calls do not happen;\n\ | |
2070 | when they do, the call is treated as one instruction.\n\ | |
2071 | Argument N means do this N times (or till program stops for another reason)."); | |
2072 | add_com_alias ("n", "next", class_run, 1); | |
2073 | if (xdb_commands) | |
c5aa993b | 2074 | add_com_alias ("S", "next", class_run, 1); |
c906108c SS |
2075 | |
2076 | add_com ("step", class_run, step_command, | |
2077 | "Step program until it reaches a different source line.\n\ | |
2078 | Argument N means do this N times (or till program stops for another reason)."); | |
2079 | add_com_alias ("s", "step", class_run, 1); | |
2080 | ||
c94fdfd0 EZ |
2081 | c = add_com ("until", class_run, until_command, |
2082 | "Execute until the program reaches a source line greater than the current\n\ | |
ae66c1fc | 2083 | or a specified location (same args as break command) within the current frame."); |
5ba2abeb | 2084 | set_cmd_completer (c, location_completer); |
c906108c | 2085 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2086 | |
ae66c1fc EZ |
2087 | c = add_com ("advance", class_run, advance_command, |
2088 | "Continue the program up to the given location (same form as args for break command).\n\ | |
2089 | Execution will also stop upon exit from the current stack frame."); | |
2090 | set_cmd_completer (c, location_completer); | |
2091 | ||
c94fdfd0 EZ |
2092 | c = add_com ("jump", class_run, jump_command, |
2093 | "Continue program being debugged at specified line or address.\n\ | |
c906108c SS |
2094 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
2095 | for an address to start at."); | |
5ba2abeb | 2096 | set_cmd_completer (c, location_completer); |
c906108c | 2097 | |
b83266a0 | 2098 | if (xdb_commands) |
c94fdfd0 EZ |
2099 | { |
2100 | c = add_com ("go", class_run, go_command, | |
2101 | "Usage: go <location>\n\ | |
c906108c SS |
2102 | Continue program being debugged, stopping at specified line or \n\ |
2103 | address.\n\ | |
2104 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2105 | expression for an address to start at.\n\ | |
2106 | This command is a combination of tbreak and jump."); | |
5ba2abeb | 2107 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2108 | } |
b83266a0 | 2109 | |
c906108c | 2110 | if (xdb_commands) |
c5aa993b | 2111 | add_com_alias ("g", "go", class_run, 1); |
c906108c SS |
2112 | |
2113 | add_com ("continue", class_run, continue_command, | |
2114 | "Continue program being debugged, after signal or breakpoint.\n\ | |
2115 | If proceeding from breakpoint, a number N may be used as an argument,\n\ | |
2116 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
2117 | the breakpoint won't break until the Nth time it is reached)."); | |
2118 | add_com_alias ("c", "cont", class_run, 1); | |
2119 | add_com_alias ("fg", "cont", class_run, 1); | |
2120 | ||
fa58ee11 | 2121 | c = add_com ("run", class_run, run_command, |
c906108c SS |
2122 | "Start debugged program. You may specify arguments to give it.\n\ |
2123 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ | |
2124 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2125 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2126 | To cancel previous arguments and run with no arguments,\n\ | |
2127 | use \"set args\" without arguments."); | |
5ba2abeb | 2128 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2129 | add_com_alias ("r", "run", class_run, 1); |
2130 | if (xdb_commands) | |
2131 | add_com ("R", class_run, run_no_args_command, | |
c5aa993b | 2132 | "Start debugged program with no arguments."); |
c906108c | 2133 | |
43ff13b4 JM |
2134 | add_com ("interrupt", class_run, interrupt_target_command, |
2135 | "Interrupt the execution of the debugged program."); | |
2136 | ||
c906108c | 2137 | add_info ("registers", nofp_registers_info, |
c5aa993b | 2138 | "List of integer registers and their contents, for selected stack frame.\n\ |
c906108c | 2139 | Register name as argument means describe only that register."); |
7194c49b | 2140 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2141 | |
2142 | if (xdb_commands) | |
c5aa993b JM |
2143 | add_com ("lr", class_info, nofp_registers_info, |
2144 | "List of integer registers and their contents, for selected stack frame.\n\ | |
c906108c SS |
2145 | Register name as argument means describe only that register."); |
2146 | add_info ("all-registers", all_registers_info, | |
c5aa993b | 2147 | "List of all registers and their contents, for selected stack frame.\n\ |
c906108c SS |
2148 | Register name as argument means describe only that register."); |
2149 | ||
2150 | add_info ("program", program_info, | |
2151 | "Execution status of the program."); | |
2152 | ||
2153 | add_info ("float", float_info, | |
2154 | "Print the status of the floating point unit\n"); | |
2155 | ||
e76f1f2e AC |
2156 | add_info ("vector", vector_info, |
2157 | "Print the status of the vector unit\n"); | |
2158 | ||
c906108c SS |
2159 | inferior_environ = make_environ (); |
2160 | init_environ (inferior_environ); | |
2161 | } |