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, |
8926118c | 3 | 1996, 1997, 1998, 1999, 2000, 2001, 2002 |
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 AC |
44 | #include "reggroups.h" |
45 | #include <ctype.h> | |
72cec141 | 46 | |
a58dd373 | 47 | /* Functions exported for general use, in inferior.h: */ |
c906108c | 48 | |
a14ed312 | 49 | void all_registers_info (char *, int); |
c906108c | 50 | |
a14ed312 | 51 | void registers_info (char *, int); |
c906108c | 52 | |
a58dd373 EZ |
53 | void nexti_command (char *, int); |
54 | ||
55 | void stepi_command (char *, int); | |
c906108c | 56 | |
a14ed312 | 57 | void continue_command (char *, int); |
c906108c | 58 | |
a58dd373 EZ |
59 | void interrupt_target_command (char *args, int from_tty); |
60 | ||
61 | /* Local functions: */ | |
62 | ||
63 | static void nofp_registers_info (char *, int); | |
64 | ||
11cf8741 JM |
65 | static void print_return_value (int struct_return, struct type *value_type); |
66 | ||
a14ed312 | 67 | static void finish_command_continuation (struct continuation_arg *); |
43ff13b4 | 68 | |
a14ed312 | 69 | static void until_next_command (int); |
c906108c | 70 | |
a14ed312 | 71 | static void until_command (char *, int); |
c906108c | 72 | |
a14ed312 | 73 | static void path_info (char *, int); |
c906108c | 74 | |
a14ed312 | 75 | static void path_command (char *, int); |
c906108c | 76 | |
a14ed312 | 77 | static void unset_command (char *, int); |
c906108c | 78 | |
a14ed312 | 79 | static void float_info (char *, int); |
c906108c | 80 | |
a14ed312 | 81 | static void detach_command (char *, int); |
c906108c | 82 | |
a14ed312 | 83 | static void unset_environment_command (char *, int); |
c906108c | 84 | |
a14ed312 | 85 | static void set_environment_command (char *, int); |
c906108c | 86 | |
a14ed312 | 87 | static void environment_info (char *, int); |
c906108c | 88 | |
a14ed312 | 89 | static void program_info (char *, int); |
c906108c | 90 | |
a14ed312 | 91 | static void finish_command (char *, int); |
c906108c | 92 | |
a14ed312 | 93 | static void signal_command (char *, int); |
c906108c | 94 | |
a14ed312 | 95 | static void jump_command (char *, int); |
c906108c | 96 | |
a14ed312 | 97 | static void step_1 (int, int, char *); |
c2d11a7d JM |
98 | static void step_once (int skip_subroutines, int single_inst, int count); |
99 | static void step_1_continuation (struct continuation_arg *arg); | |
c906108c | 100 | |
a14ed312 | 101 | static void next_command (char *, int); |
c906108c | 102 | |
a14ed312 | 103 | static void step_command (char *, int); |
c906108c | 104 | |
a14ed312 | 105 | static void run_command (char *, int); |
c906108c | 106 | |
a14ed312 | 107 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 108 | |
a14ed312 | 109 | static void go_command (char *line_no, int from_tty); |
392a587b | 110 | |
a14ed312 | 111 | static int strip_bg_char (char **); |
43ff13b4 | 112 | |
a14ed312 | 113 | void _initialize_infcmd (void); |
c906108c SS |
114 | |
115 | #define GO_USAGE "Usage: go <location>\n" | |
116 | ||
a14ed312 | 117 | static void breakpoint_auto_delete_contents (PTR); |
c906108c SS |
118 | |
119 | #define ERROR_NO_INFERIOR \ | |
120 | if (!target_has_execution) error ("The program is not being run."); | |
121 | ||
122 | /* String containing arguments to give to the program, separated by spaces. | |
123 | Empty string (pointer to '\0') means no args. */ | |
124 | ||
125 | static char *inferior_args; | |
126 | ||
552c04a7 TT |
127 | /* The inferior arguments as a vector. If INFERIOR_ARGC is nonzero, |
128 | then we must compute INFERIOR_ARGS from this (via the target). */ | |
129 | ||
130 | static int inferior_argc; | |
131 | static char **inferior_argv; | |
132 | ||
c906108c SS |
133 | /* File name for default use for standard in/out in the inferior. */ |
134 | ||
135 | char *inferior_io_terminal; | |
136 | ||
137 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
138 | Since various parts of infrun.c test this to see whether there is a program | |
139 | being debugged it should be nonzero (currently 3 is used) for remote | |
140 | debugging. */ | |
141 | ||
39f77062 | 142 | ptid_t inferior_ptid; |
c906108c SS |
143 | |
144 | /* Last signal that the inferior received (why it stopped). */ | |
145 | ||
146 | enum target_signal stop_signal; | |
147 | ||
148 | /* Address at which inferior stopped. */ | |
149 | ||
150 | CORE_ADDR stop_pc; | |
151 | ||
152 | /* Chain containing status of breakpoint(s) that we have stopped at. */ | |
153 | ||
154 | bpstat stop_bpstat; | |
155 | ||
156 | /* Flag indicating that a command has proceeded the inferior past the | |
157 | current breakpoint. */ | |
158 | ||
159 | int breakpoint_proceeded; | |
160 | ||
161 | /* Nonzero if stopped due to a step command. */ | |
162 | ||
163 | int stop_step; | |
164 | ||
165 | /* Nonzero if stopped due to completion of a stack dummy routine. */ | |
166 | ||
167 | int stop_stack_dummy; | |
168 | ||
169 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
170 | process. */ | |
171 | ||
172 | int stopped_by_random_signal; | |
173 | ||
174 | /* Range to single step within. | |
175 | If this is nonzero, respond to a single-step signal | |
176 | by continuing to step if the pc is in this range. */ | |
177 | ||
c5aa993b JM |
178 | CORE_ADDR step_range_start; /* Inclusive */ |
179 | CORE_ADDR step_range_end; /* Exclusive */ | |
c906108c SS |
180 | |
181 | /* Stack frame address as of when stepping command was issued. | |
182 | This is how we know when we step into a subroutine call, | |
183 | and how to set the frame for the breakpoint used to step out. */ | |
184 | ||
185 | CORE_ADDR step_frame_address; | |
186 | ||
187 | /* Our notion of the current stack pointer. */ | |
188 | ||
189 | CORE_ADDR step_sp; | |
190 | ||
5fbbeb29 | 191 | enum step_over_calls_kind step_over_calls; |
c906108c SS |
192 | |
193 | /* If stepping, nonzero means step count is > 1 | |
194 | so don't print frame next time inferior stops | |
195 | if it stops due to stepping. */ | |
196 | ||
197 | int step_multi; | |
198 | ||
199 | /* Environment to use for running inferior, | |
200 | in format described in environ.h. */ | |
201 | ||
202 | struct environ *inferior_environ; | |
c906108c | 203 | \f |
07091751 FN |
204 | /* Accessor routines. */ |
205 | ||
206 | char * | |
207 | get_inferior_args (void) | |
208 | { | |
552c04a7 TT |
209 | if (inferior_argc != 0) |
210 | { | |
211 | char *n, *old; | |
212 | ||
213 | n = gdbarch_construct_inferior_arguments (current_gdbarch, | |
214 | inferior_argc, inferior_argv); | |
215 | old = set_inferior_args (n); | |
216 | xfree (old); | |
217 | } | |
218 | ||
219 | if (inferior_args == NULL) | |
220 | inferior_args = xstrdup (""); | |
221 | ||
07091751 FN |
222 | return inferior_args; |
223 | } | |
224 | ||
225 | char * | |
226 | set_inferior_args (char *newargs) | |
227 | { | |
228 | char *saved_args = inferior_args; | |
229 | ||
230 | inferior_args = newargs; | |
552c04a7 TT |
231 | inferior_argc = 0; |
232 | inferior_argv = 0; | |
07091751 FN |
233 | |
234 | return saved_args; | |
235 | } | |
c5aa993b | 236 | |
552c04a7 TT |
237 | void |
238 | set_inferior_args_vector (int argc, char **argv) | |
239 | { | |
240 | inferior_argc = argc; | |
241 | inferior_argv = argv; | |
242 | } | |
243 | ||
244 | /* Notice when `set args' is run. */ | |
245 | static void | |
246 | notice_args_set (char *args, int from_tty, struct cmd_list_element *c) | |
247 | { | |
248 | inferior_argc = 0; | |
249 | inferior_argv = 0; | |
250 | } | |
251 | ||
252 | /* Notice when `show args' is run. */ | |
253 | static void | |
9f60d481 | 254 | notice_args_read (char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 TT |
255 | { |
256 | /* Might compute the value. */ | |
257 | get_inferior_args (); | |
258 | } | |
259 | ||
c2a727fa TT |
260 | \f |
261 | /* Compute command-line string given argument vector. This does the | |
262 | same shell processing as fork_inferior. */ | |
263 | /* ARGSUSED */ | |
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) | |
281 | length += 2 * strlen (argv[i]) + 1; | |
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 | ||
291 | for (cp = argv[i]; *cp; ++cp) | |
292 | { | |
293 | if (strchr (special, *cp) != NULL) | |
294 | *out++ = '\\'; | |
295 | *out++ = *cp; | |
296 | } | |
297 | } | |
298 | *out = '\0'; | |
299 | } | |
300 | else | |
301 | { | |
302 | /* In this case we can't handle arguments that contain spaces, | |
303 | tabs, or newlines -- see breakup_args(). */ | |
304 | int i; | |
305 | int length = 0; | |
306 | ||
307 | for (i = 0; i < argc; ++i) | |
308 | { | |
309 | char *cp = strchr (argv[i], ' '); | |
310 | if (cp == NULL) | |
311 | cp = strchr (argv[i], '\t'); | |
312 | if (cp == NULL) | |
313 | cp = strchr (argv[i], '\n'); | |
314 | if (cp != NULL) | |
315 | error ("can't handle command-line argument containing whitespace"); | |
316 | length += strlen (argv[i]) + 1; | |
317 | } | |
318 | ||
319 | result = (char *) xmalloc (length); | |
320 | result[0] = '\0'; | |
321 | for (i = 0; i < argc; ++i) | |
322 | { | |
323 | if (i > 0) | |
324 | strcat (result, " "); | |
325 | strcat (result, argv[i]); | |
326 | } | |
327 | } | |
328 | ||
329 | return result; | |
330 | } | |
552c04a7 TT |
331 | \f |
332 | ||
43ff13b4 JM |
333 | /* This function detects whether or not a '&' character (indicating |
334 | background execution) has been added as *the last* of the arguments ARGS | |
335 | of a command. If it has, it removes it and returns 1. Otherwise it | |
336 | does nothing and returns 0. */ | |
c5aa993b | 337 | static int |
fba45db2 | 338 | strip_bg_char (char **args) |
43ff13b4 JM |
339 | { |
340 | char *p = NULL; | |
c5aa993b | 341 | |
9846de1b | 342 | p = strchr (*args, '&'); |
c5aa993b | 343 | |
9846de1b | 344 | if (p) |
43ff13b4 JM |
345 | { |
346 | if (p == (*args + strlen (*args) - 1)) | |
347 | { | |
c5aa993b | 348 | if (strlen (*args) > 1) |
43ff13b4 JM |
349 | { |
350 | do | |
351 | p--; | |
352 | while (*p == ' ' || *p == '\t'); | |
353 | *(p + 1) = '\0'; | |
354 | } | |
355 | else | |
356 | *args = 0; | |
357 | return 1; | |
358 | } | |
359 | } | |
360 | return 0; | |
361 | } | |
362 | ||
c906108c SS |
363 | /* ARGSUSED */ |
364 | void | |
fba45db2 | 365 | tty_command (char *file, int from_tty) |
c906108c SS |
366 | { |
367 | if (file == 0) | |
368 | error_no_arg ("terminal name for running target process"); | |
369 | ||
370 | inferior_io_terminal = savestring (file, strlen (file)); | |
371 | } | |
372 | ||
373 | static void | |
fba45db2 | 374 | run_command (char *args, int from_tty) |
c906108c SS |
375 | { |
376 | char *exec_file; | |
377 | ||
378 | dont_repeat (); | |
379 | ||
39f77062 | 380 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 381 | { |
adf40b2e JM |
382 | if (from_tty |
383 | && !query ("The program being debugged has been started already.\n\ | |
c906108c SS |
384 | Start it from the beginning? ")) |
385 | error ("Program not restarted."); | |
386 | target_kill (); | |
387 | #if defined(SOLIB_RESTART) | |
388 | SOLIB_RESTART (); | |
389 | #endif | |
390 | init_wait_for_inferior (); | |
391 | } | |
392 | ||
393 | clear_breakpoint_hit_counts (); | |
394 | ||
c906108c SS |
395 | /* Purge old solib objfiles. */ |
396 | objfile_purge_solibs (); | |
397 | ||
398 | do_run_cleanups (NULL); | |
399 | ||
39ad761d JB |
400 | /* The comment here used to read, "The exec file is re-read every |
401 | time we do a generic_mourn_inferior, so we just have to worry | |
402 | about the symbol file." The `generic_mourn_inferior' function | |
403 | gets called whenever the program exits. However, suppose the | |
404 | program exits, and *then* the executable file changes? We need | |
405 | to check again here. Since reopen_exec_file doesn't do anything | |
406 | if the timestamp hasn't changed, I don't see the harm. */ | |
407 | reopen_exec_file (); | |
c906108c SS |
408 | reread_symbols (); |
409 | ||
39ad761d JB |
410 | exec_file = (char *) get_exec_file (0); |
411 | ||
c906108c SS |
412 | /* We keep symbols from add-symbol-file, on the grounds that the |
413 | user might want to add some symbols before running the program | |
414 | (right?). But sometimes (dynamic loading where the user manually | |
415 | introduces the new symbols with add-symbol-file), the code which | |
416 | the symbols describe does not persist between runs. Currently | |
417 | the user has to manually nuke all symbols between runs if they | |
418 | want them to go away (PR 2207). This is probably reasonable. */ | |
419 | ||
43ff13b4 | 420 | if (!args) |
6426a772 JM |
421 | { |
422 | if (event_loop_p && target_can_async_p ()) | |
423 | async_disable_stdin (); | |
424 | } | |
43ff13b4 | 425 | else |
c906108c | 426 | { |
43ff13b4 JM |
427 | int async_exec = strip_bg_char (&args); |
428 | ||
429 | /* If we get a request for running in the bg but the target | |
430 | doesn't support it, error out. */ | |
6426a772 | 431 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
432 | error ("Asynchronous execution not supported on this target."); |
433 | ||
434 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 435 | to simulate synchronous (fg) execution. */ |
6426a772 | 436 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
437 | { |
438 | /* Simulate synchronous execution */ | |
6426a772 | 439 | async_disable_stdin (); |
43ff13b4 JM |
440 | } |
441 | ||
442 | /* If there were other args, beside '&', process them. */ | |
443 | if (args) | |
444 | { | |
07091751 FN |
445 | char *old_args = set_inferior_args (xstrdup (args)); |
446 | xfree (old_args); | |
43ff13b4 | 447 | } |
c906108c SS |
448 | } |
449 | ||
450 | if (from_tty) | |
451 | { | |
8b93c638 JM |
452 | ui_out_field_string (uiout, NULL, "Starting program"); |
453 | ui_out_text (uiout, ": "); | |
454 | if (exec_file) | |
455 | ui_out_field_string (uiout, "execfile", exec_file); | |
456 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
457 | /* We call get_inferior_args() because we might need to compute |
458 | the value now. */ | |
459 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
460 | ui_out_text (uiout, "\n"); |
461 | ui_out_flush (uiout); | |
c906108c SS |
462 | } |
463 | ||
552c04a7 TT |
464 | /* We call get_inferior_args() because we might need to compute |
465 | the value now. */ | |
466 | target_create_inferior (exec_file, get_inferior_args (), | |
c906108c SS |
467 | environ_vector (inferior_environ)); |
468 | } | |
469 | ||
470 | ||
471 | static void | |
fba45db2 | 472 | run_no_args_command (char *args, int from_tty) |
c906108c | 473 | { |
07091751 FN |
474 | char *old_args = set_inferior_args (xstrdup ("")); |
475 | xfree (old_args); | |
c906108c | 476 | } |
c906108c | 477 | \f |
c5aa993b | 478 | |
c906108c | 479 | void |
fba45db2 | 480 | continue_command (char *proc_count_exp, int from_tty) |
c906108c | 481 | { |
c5aa993b | 482 | int async_exec = 0; |
c906108c SS |
483 | ERROR_NO_INFERIOR; |
484 | ||
43ff13b4 JM |
485 | /* Find out whether we must run in the background. */ |
486 | if (proc_count_exp != NULL) | |
487 | async_exec = strip_bg_char (&proc_count_exp); | |
488 | ||
489 | /* If we must run in the background, but the target can't do it, | |
490 | error out. */ | |
6426a772 | 491 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
492 | error ("Asynchronous execution not supported on this target."); |
493 | ||
494 | /* If we are not asked to run in the bg, then prepare to run in the | |
495 | foreground, synchronously. */ | |
6426a772 | 496 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 497 | { |
43ff13b4 | 498 | /* Simulate synchronous execution */ |
6426a772 | 499 | async_disable_stdin (); |
43ff13b4 | 500 | } |
c906108c | 501 | |
43ff13b4 JM |
502 | /* If have argument (besides '&'), set proceed count of breakpoint |
503 | we stopped at. */ | |
c906108c SS |
504 | if (proc_count_exp != NULL) |
505 | { | |
506 | bpstat bs = stop_bpstat; | |
507 | int num = bpstat_num (&bs); | |
508 | if (num == 0 && from_tty) | |
509 | { | |
510 | printf_filtered | |
511 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
512 | } | |
513 | while (num != 0) | |
514 | { | |
515 | set_ignore_count (num, | |
bb518678 | 516 | parse_and_eval_long (proc_count_exp) - 1, |
c906108c SS |
517 | from_tty); |
518 | /* set_ignore_count prints a message ending with a period. | |
519 | So print two spaces before "Continuing.". */ | |
520 | if (from_tty) | |
521 | printf_filtered (" "); | |
522 | num = bpstat_num (&bs); | |
523 | } | |
524 | } | |
525 | ||
526 | if (from_tty) | |
527 | printf_filtered ("Continuing.\n"); | |
528 | ||
529 | clear_proceed_status (); | |
530 | ||
2acceee2 | 531 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c SS |
532 | } |
533 | \f | |
534 | /* Step until outside of current statement. */ | |
535 | ||
536 | /* ARGSUSED */ | |
537 | static void | |
fba45db2 | 538 | step_command (char *count_string, int from_tty) |
c906108c SS |
539 | { |
540 | step_1 (0, 0, count_string); | |
541 | } | |
542 | ||
543 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
544 | ||
545 | /* ARGSUSED */ | |
546 | static void | |
fba45db2 | 547 | next_command (char *count_string, int from_tty) |
c906108c SS |
548 | { |
549 | step_1 (1, 0, count_string); | |
550 | } | |
551 | ||
552 | /* Likewise, but step only one instruction. */ | |
553 | ||
554 | /* ARGSUSED */ | |
555 | void | |
fba45db2 | 556 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
557 | { |
558 | step_1 (0, 1, count_string); | |
559 | } | |
560 | ||
561 | /* ARGSUSED */ | |
562 | void | |
fba45db2 | 563 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
564 | { |
565 | step_1 (1, 1, count_string); | |
566 | } | |
567 | ||
74b7792f AC |
568 | static void |
569 | disable_longjmp_breakpoint_cleanup (void *ignore) | |
570 | { | |
571 | disable_longjmp_breakpoint (); | |
572 | } | |
573 | ||
c906108c | 574 | static void |
fba45db2 | 575 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c SS |
576 | { |
577 | register int count = 1; | |
578 | struct frame_info *frame; | |
579 | struct cleanup *cleanups = 0; | |
43ff13b4 | 580 | int async_exec = 0; |
c5aa993b | 581 | |
c906108c | 582 | ERROR_NO_INFERIOR; |
43ff13b4 JM |
583 | |
584 | if (count_string) | |
585 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 586 | |
43ff13b4 JM |
587 | /* If we get a request for running in the bg but the target |
588 | doesn't support it, error out. */ | |
6426a772 | 589 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
590 | error ("Asynchronous execution not supported on this target."); |
591 | ||
592 | /* If we don't get a request of running in the bg, then we need | |
593 | to simulate synchronous (fg) execution. */ | |
6426a772 | 594 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
595 | { |
596 | /* Simulate synchronous execution */ | |
6426a772 | 597 | async_disable_stdin (); |
43ff13b4 JM |
598 | } |
599 | ||
bb518678 | 600 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 601 | |
c5aa993b | 602 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 603 | { |
c5aa993b | 604 | enable_longjmp_breakpoint (); |
c2d11a7d | 605 | if (!event_loop_p || !target_can_async_p ()) |
74b7792f | 606 | cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d | 607 | else |
74b7792f | 608 | make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d JM |
609 | } |
610 | ||
611 | /* In synchronous case, all is well, just use the regular for loop. */ | |
612 | if (!event_loop_p || !target_can_async_p ()) | |
613 | { | |
614 | for (; count > 0; count--) | |
615 | { | |
616 | clear_proceed_status (); | |
617 | ||
618 | frame = get_current_frame (); | |
619 | if (!frame) /* Avoid coredump here. Why tho? */ | |
620 | error ("No current frame"); | |
621 | step_frame_address = FRAME_FP (frame); | |
622 | step_sp = read_sp (); | |
623 | ||
624 | if (!single_inst) | |
625 | { | |
626 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
627 | if (step_range_end == 0) | |
628 | { | |
629 | char *name; | |
630 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
631 | &step_range_end) == 0) | |
632 | error ("Cannot find bounds of current function"); | |
633 | ||
634 | target_terminal_ours (); | |
635 | printf_filtered ("\ | |
636 | Single stepping until exit from function %s, \n\ | |
637 | which has no line number information.\n", name); | |
638 | } | |
639 | } | |
640 | else | |
641 | { | |
642 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
643 | step_range_start = step_range_end = 1; | |
644 | if (!skip_subroutines) | |
645 | /* It is stepi. | |
646 | Don't step over function calls, not even to functions lacking | |
647 | line numbers. */ | |
5fbbeb29 | 648 | step_over_calls = STEP_OVER_NONE; |
c2d11a7d JM |
649 | } |
650 | ||
651 | if (skip_subroutines) | |
5fbbeb29 | 652 | step_over_calls = STEP_OVER_ALL; |
c2d11a7d JM |
653 | |
654 | step_multi = (count > 1); | |
655 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
656 | ||
657 | if (!stop_step) | |
658 | break; | |
659 | ||
660 | /* FIXME: On nexti, this may have already been done (when we hit the | |
661 | step resume break, I think). Probably this should be moved to | |
662 | wait_for_inferior (near the top). */ | |
663 | #if defined (SHIFT_INST_REGS) | |
664 | SHIFT_INST_REGS (); | |
665 | #endif | |
666 | } | |
667 | ||
668 | if (!single_inst || skip_subroutines) | |
669 | do_cleanups (cleanups); | |
670 | return; | |
671 | } | |
672 | /* In case of asynchronous target things get complicated, do only | |
673 | one step for now, before returning control to the event loop. Let | |
674 | the continuation figure out how many other steps we need to do, | |
675 | and handle them one at the time, through step_once(). */ | |
676 | else | |
677 | { | |
678 | if (event_loop_p && target_can_async_p ()) | |
679 | step_once (skip_subroutines, single_inst, count); | |
c906108c | 680 | } |
c2d11a7d | 681 | } |
c906108c | 682 | |
c2d11a7d JM |
683 | /* Called after we are done with one step operation, to check whether |
684 | we need to step again, before we print the prompt and return control | |
685 | to the user. If count is > 1, we will need to do one more call to | |
686 | proceed(), via step_once(). Basically it is like step_once and | |
687 | step_1_continuation are co-recursive. */ | |
688 | static void | |
fba45db2 | 689 | step_1_continuation (struct continuation_arg *arg) |
c2d11a7d | 690 | { |
57e687d9 MS |
691 | int count; |
692 | int skip_subroutines; | |
693 | int single_inst; | |
694 | ||
695 | skip_subroutines = arg->data.integer; | |
696 | single_inst = arg->next->data.integer; | |
697 | count = arg->next->next->data.integer; | |
698 | ||
699 | if (stop_step) | |
700 | { | |
701 | /* FIXME: On nexti, this may have already been done (when we hit the | |
702 | step resume break, I think). Probably this should be moved to | |
703 | wait_for_inferior (near the top). */ | |
c2d11a7d | 704 | #if defined (SHIFT_INST_REGS) |
57e687d9 | 705 | SHIFT_INST_REGS (); |
c2d11a7d | 706 | #endif |
57e687d9 MS |
707 | step_once (skip_subroutines, single_inst, count - 1); |
708 | } | |
709 | else | |
710 | if (!single_inst || skip_subroutines) | |
711 | do_exec_cleanups (ALL_CLEANUPS); | |
c2d11a7d JM |
712 | } |
713 | ||
714 | /* Do just one step operation. If count >1 we will have to set up a | |
715 | continuation to be done after the target stops (after this one | |
716 | step). This is useful to implement the 'step n' kind of commands, in | |
717 | case of asynchronous targets. We had to split step_1 into two parts, | |
718 | one to be done before proceed() and one afterwards. This function is | |
719 | called in case of step n with n>1, after the first step operation has | |
720 | been completed.*/ | |
721 | static void | |
0d06e24b | 722 | step_once (int skip_subroutines, int single_inst, int count) |
c2d11a7d | 723 | { |
0d06e24b JM |
724 | struct continuation_arg *arg1; |
725 | struct continuation_arg *arg2; | |
726 | struct continuation_arg *arg3; | |
727 | struct frame_info *frame; | |
c2d11a7d JM |
728 | |
729 | if (count > 0) | |
c906108c SS |
730 | { |
731 | clear_proceed_status (); | |
732 | ||
733 | frame = get_current_frame (); | |
c5aa993b | 734 | if (!frame) /* Avoid coredump here. Why tho? */ |
c906108c SS |
735 | error ("No current frame"); |
736 | step_frame_address = FRAME_FP (frame); | |
737 | step_sp = read_sp (); | |
738 | ||
c5aa993b | 739 | if (!single_inst) |
c906108c SS |
740 | { |
741 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
5fbbeb29 CF |
742 | |
743 | /* If we have no line info, switch to stepi mode. */ | |
744 | if (step_range_end == 0 && step_stop_if_no_debug) | |
745 | { | |
746 | step_range_start = step_range_end = 1; | |
747 | } | |
748 | else if (step_range_end == 0) | |
c906108c SS |
749 | { |
750 | char *name; | |
751 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
752 | &step_range_end) == 0) | |
753 | error ("Cannot find bounds of current function"); | |
754 | ||
755 | target_terminal_ours (); | |
756 | printf_filtered ("\ | |
757 | Single stepping until exit from function %s, \n\ | |
758 | which has no line number information.\n", name); | |
759 | } | |
760 | } | |
761 | else | |
762 | { | |
763 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
764 | step_range_start = step_range_end = 1; | |
765 | if (!skip_subroutines) | |
766 | /* It is stepi. | |
767 | Don't step over function calls, not even to functions lacking | |
768 | line numbers. */ | |
5fbbeb29 | 769 | step_over_calls = STEP_OVER_NONE; |
c906108c SS |
770 | } |
771 | ||
772 | if (skip_subroutines) | |
5fbbeb29 | 773 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
774 | |
775 | step_multi = (count > 1); | |
c2d11a7d JM |
776 | arg1 = |
777 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
778 | arg2 = | |
779 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
780 | arg3 = | |
781 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
782 | arg1->next = arg2; | |
57e687d9 | 783 | arg1->data.integer = skip_subroutines; |
c2d11a7d | 784 | arg2->next = arg3; |
57e687d9 | 785 | arg2->data.integer = single_inst; |
c2d11a7d | 786 | arg3->next = NULL; |
57e687d9 | 787 | arg3->data.integer = count; |
c2d11a7d | 788 | add_intermediate_continuation (step_1_continuation, arg1); |
2acceee2 | 789 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c | 790 | } |
c906108c | 791 | } |
c2d11a7d | 792 | |
c906108c SS |
793 | \f |
794 | /* Continue program at specified address. */ | |
795 | ||
796 | static void | |
fba45db2 | 797 | jump_command (char *arg, int from_tty) |
c906108c SS |
798 | { |
799 | register CORE_ADDR addr; | |
800 | struct symtabs_and_lines sals; | |
801 | struct symtab_and_line sal; | |
802 | struct symbol *fn; | |
803 | struct symbol *sfn; | |
43ff13b4 | 804 | int async_exec = 0; |
c5aa993b | 805 | |
c906108c SS |
806 | ERROR_NO_INFERIOR; |
807 | ||
43ff13b4 JM |
808 | /* Find out whether we must run in the background. */ |
809 | if (arg != NULL) | |
810 | async_exec = strip_bg_char (&arg); | |
811 | ||
812 | /* If we must run in the background, but the target can't do it, | |
813 | error out. */ | |
6426a772 | 814 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
815 | error ("Asynchronous execution not supported on this target."); |
816 | ||
817 | /* If we are not asked to run in the bg, then prepare to run in the | |
818 | foreground, synchronously. */ | |
6426a772 | 819 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 820 | { |
43ff13b4 | 821 | /* Simulate synchronous execution */ |
6426a772 | 822 | async_disable_stdin (); |
43ff13b4 JM |
823 | } |
824 | ||
c906108c SS |
825 | if (!arg) |
826 | error_no_arg ("starting address"); | |
827 | ||
828 | sals = decode_line_spec_1 (arg, 1); | |
829 | if (sals.nelts != 1) | |
830 | { | |
831 | error ("Unreasonable jump request"); | |
832 | } | |
833 | ||
834 | sal = sals.sals[0]; | |
b8c9b27d | 835 | xfree (sals.sals); |
c906108c SS |
836 | |
837 | if (sal.symtab == 0 && sal.pc == 0) | |
838 | error ("No source file has been specified."); | |
839 | ||
c5aa993b | 840 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
841 | |
842 | /* See if we are trying to jump to another function. */ | |
843 | fn = get_frame_function (get_current_frame ()); | |
844 | sfn = find_pc_function (sal.pc); | |
845 | if (fn != NULL && sfn != fn) | |
846 | { | |
847 | if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line, | |
848 | SYMBOL_SOURCE_NAME (fn))) | |
849 | { | |
850 | error ("Not confirmed."); | |
851 | /* NOTREACHED */ | |
852 | } | |
853 | } | |
854 | ||
c5aa993b | 855 | if (sfn != NULL) |
c906108c SS |
856 | { |
857 | fixup_symbol_section (sfn, 0); | |
c5aa993b | 858 | if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) && |
c906108c SS |
859 | !section_is_mapped (SYMBOL_BFD_SECTION (sfn))) |
860 | { | |
861 | if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? ")) | |
862 | { | |
863 | error ("Not confirmed."); | |
864 | /* NOTREACHED */ | |
865 | } | |
866 | } | |
867 | } | |
868 | ||
c906108c SS |
869 | addr = sal.pc; |
870 | ||
871 | if (from_tty) | |
872 | { | |
873 | printf_filtered ("Continuing at "); | |
874 | print_address_numeric (addr, 1, gdb_stdout); | |
875 | printf_filtered (".\n"); | |
876 | } | |
877 | ||
878 | clear_proceed_status (); | |
879 | proceed (addr, TARGET_SIGNAL_0, 0); | |
880 | } | |
c906108c | 881 | \f |
c5aa993b | 882 | |
c906108c SS |
883 | /* Go to line or address in current procedure */ |
884 | static void | |
fba45db2 | 885 | go_command (char *line_no, int from_tty) |
c906108c | 886 | { |
c5aa993b | 887 | if (line_no == (char *) NULL || !*line_no) |
b83266a0 | 888 | printf_filtered (GO_USAGE); |
c906108c SS |
889 | else |
890 | { | |
b83266a0 SS |
891 | tbreak_command (line_no, from_tty); |
892 | jump_command (line_no, from_tty); | |
c906108c SS |
893 | } |
894 | } | |
c906108c | 895 | \f |
c5aa993b | 896 | |
c906108c SS |
897 | /* Continue program giving it specified signal. */ |
898 | ||
899 | static void | |
fba45db2 | 900 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
901 | { |
902 | enum target_signal oursig; | |
903 | ||
904 | dont_repeat (); /* Too dangerous. */ | |
905 | ERROR_NO_INFERIOR; | |
906 | ||
907 | if (!signum_exp) | |
908 | error_no_arg ("signal number"); | |
909 | ||
910 | /* It would be even slicker to make signal names be valid expressions, | |
911 | (the type could be "enum $signal" or some such), then the user could | |
912 | assign them to convenience variables. */ | |
913 | oursig = target_signal_from_name (signum_exp); | |
914 | ||
915 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
916 | { | |
917 | /* No, try numeric. */ | |
bb518678 | 918 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
919 | |
920 | if (num == 0) | |
921 | oursig = TARGET_SIGNAL_0; | |
922 | else | |
923 | oursig = target_signal_from_command (num); | |
924 | } | |
925 | ||
926 | if (from_tty) | |
927 | { | |
928 | if (oursig == TARGET_SIGNAL_0) | |
929 | printf_filtered ("Continuing with no signal.\n"); | |
930 | else | |
931 | printf_filtered ("Continuing with signal %s.\n", | |
932 | target_signal_to_name (oursig)); | |
933 | } | |
934 | ||
935 | clear_proceed_status (); | |
936 | /* "signal 0" should not get stuck if we are stopped at a breakpoint. | |
937 | FIXME: Neither should "signal foo" but when I tried passing | |
938 | (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't | |
939 | tried to track down yet. */ | |
2acceee2 | 940 | proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0); |
c906108c SS |
941 | } |
942 | ||
943 | /* Call breakpoint_auto_delete on the current contents of the bpstat | |
944 | pointed to by arg (which is really a bpstat *). */ | |
945 | ||
c906108c | 946 | static void |
fba45db2 | 947 | breakpoint_auto_delete_contents (PTR arg) |
c906108c | 948 | { |
c5aa993b | 949 | breakpoint_auto_delete (*(bpstat *) arg); |
c906108c SS |
950 | } |
951 | ||
c906108c SS |
952 | |
953 | /* Execute a "stack dummy", a piece of code stored in the stack | |
954 | by the debugger to be executed in the inferior. | |
955 | ||
956 | To call: first, do PUSH_DUMMY_FRAME. | |
957 | Then push the contents of the dummy. It should end with a breakpoint insn. | |
958 | Then call here, passing address at which to start the dummy. | |
959 | ||
960 | The contents of all registers are saved before the dummy frame is popped | |
961 | and copied into the buffer BUFFER. | |
962 | ||
963 | The dummy's frame is automatically popped whenever that break is hit. | |
964 | If that is the first time the program stops, run_stack_dummy | |
965 | returns to its caller with that frame already gone and returns 0. | |
da59e081 JM |
966 | |
967 | Otherwise, run_stack-dummy returns a non-zero value. | |
968 | If the called function receives a random signal, we do not allow the user | |
969 | to continue executing it as this may not work. The dummy frame is poped | |
970 | and we return 1. | |
971 | If we hit a breakpoint, we leave the frame in place and return 2 (the frame | |
972 | will eventually be popped when we do hit the dummy end breakpoint). */ | |
c906108c | 973 | |
c906108c | 974 | int |
36160dc4 | 975 | run_stack_dummy (CORE_ADDR addr, struct regcache *buffer) |
c906108c SS |
976 | { |
977 | struct cleanup *old_cleanups = make_cleanup (null_cleanup, 0); | |
ed9a39eb | 978 | int saved_async = 0; |
c906108c SS |
979 | |
980 | /* Now proceed, having reached the desired place. */ | |
981 | clear_proceed_status (); | |
96baa820 | 982 | |
7a292a7a SS |
983 | if (CALL_DUMMY_BREAKPOINT_OFFSET_P) |
984 | { | |
985 | struct breakpoint *bpt; | |
986 | struct symtab_and_line sal; | |
c5aa993b | 987 | |
fe39c653 | 988 | init_sal (&sal); /* initialize to zeroes */ |
7a292a7a SS |
989 | if (CALL_DUMMY_LOCATION == AT_ENTRY_POINT) |
990 | { | |
991 | sal.pc = CALL_DUMMY_ADDRESS (); | |
992 | } | |
993 | else | |
994 | { | |
995 | sal.pc = addr - CALL_DUMMY_START_OFFSET + CALL_DUMMY_BREAKPOINT_OFFSET; | |
996 | } | |
997 | sal.section = find_pc_overlay (sal.pc); | |
c5aa993b | 998 | |
7a292a7a | 999 | /* Set up a FRAME for the dummy frame so we can pass it to |
c5aa993b JM |
1000 | set_momentary_breakpoint. We need to give the breakpoint a |
1001 | frame in case there is only one copy of the dummy (e.g. | |
1002 | CALL_DUMMY_LOCATION == AFTER_TEXT_END). */ | |
7a292a7a SS |
1003 | flush_cached_frames (); |
1004 | set_current_frame (create_new_frame (read_fp (), sal.pc)); | |
c5aa993b | 1005 | |
7a292a7a | 1006 | /* If defined, CALL_DUMMY_BREAKPOINT_OFFSET is where we need to put |
c5aa993b JM |
1007 | a breakpoint instruction. If not, the call dummy already has the |
1008 | breakpoint instruction in it. | |
1009 | ||
1010 | addr is the address of the call dummy plus the CALL_DUMMY_START_OFFSET, | |
1011 | so we need to subtract the CALL_DUMMY_START_OFFSET. */ | |
7a292a7a SS |
1012 | bpt = set_momentary_breakpoint (sal, |
1013 | get_current_frame (), | |
1014 | bp_call_dummy); | |
b5de0fa7 | 1015 | bpt->disposition = disp_del; |
c5aa993b | 1016 | |
7a292a7a | 1017 | /* If all error()s out of proceed ended up calling normal_stop (and |
c5aa993b JM |
1018 | perhaps they should; it already does in the special case of error |
1019 | out of resume()), then we wouldn't need this. */ | |
7a292a7a SS |
1020 | make_cleanup (breakpoint_auto_delete_contents, &stop_bpstat); |
1021 | } | |
c906108c SS |
1022 | |
1023 | disable_watchpoints_before_interactive_call_start (); | |
1024 | proceed_to_finish = 1; /* We want stop_registers, please... */ | |
ed9a39eb JM |
1025 | |
1026 | if (target_can_async_p ()) | |
1027 | saved_async = target_async_mask (0); | |
1028 | ||
c906108c | 1029 | proceed (addr, TARGET_SIGNAL_0, 0); |
ed9a39eb JM |
1030 | |
1031 | if (saved_async) | |
1032 | target_async_mask (saved_async); | |
1033 | ||
c906108c SS |
1034 | enable_watchpoints_after_interactive_call_stop (); |
1035 | ||
1036 | discard_cleanups (old_cleanups); | |
1037 | ||
242bfc55 | 1038 | /* We can stop during an inferior call because a signal is received. */ |
da59e081 | 1039 | if (stopped_by_random_signal) |
242bfc55 | 1040 | return 1; |
da59e081 JM |
1041 | |
1042 | /* We may also stop prematurely because we hit a breakpoint in the | |
242bfc55 | 1043 | called routine. */ |
c906108c | 1044 | if (!stop_stack_dummy) |
da59e081 | 1045 | return 2; |
c906108c | 1046 | |
da59e081 | 1047 | /* On normal return, the stack dummy has been popped already. */ |
36160dc4 | 1048 | regcache_cpy_no_passthrough (buffer, stop_registers); |
c906108c SS |
1049 | return 0; |
1050 | } | |
1051 | \f | |
1052 | /* Proceed until we reach a different source line with pc greater than | |
1053 | our current one or exit the function. We skip calls in both cases. | |
1054 | ||
1055 | Note that eventually this command should probably be changed so | |
1056 | that only source lines are printed out when we hit the breakpoint | |
1057 | we set. This may involve changes to wait_for_inferior and the | |
1058 | proceed status code. */ | |
1059 | ||
1060 | /* ARGSUSED */ | |
1061 | static void | |
fba45db2 | 1062 | until_next_command (int from_tty) |
c906108c SS |
1063 | { |
1064 | struct frame_info *frame; | |
1065 | CORE_ADDR pc; | |
1066 | struct symbol *func; | |
1067 | struct symtab_and_line sal; | |
c5aa993b | 1068 | |
c906108c SS |
1069 | clear_proceed_status (); |
1070 | ||
1071 | frame = get_current_frame (); | |
1072 | ||
1073 | /* Step until either exited from this function or greater | |
1074 | than the current line (if in symbolic section) or pc (if | |
1075 | not). */ | |
1076 | ||
1077 | pc = read_pc (); | |
1078 | func = find_pc_function (pc); | |
c5aa993b | 1079 | |
c906108c SS |
1080 | if (!func) |
1081 | { | |
1082 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 1083 | |
c906108c SS |
1084 | if (msymbol == NULL) |
1085 | error ("Execution is not within a known function."); | |
c5aa993b | 1086 | |
c906108c SS |
1087 | step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
1088 | step_range_end = pc; | |
1089 | } | |
1090 | else | |
1091 | { | |
1092 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1093 | |
c906108c SS |
1094 | step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1095 | step_range_end = sal.end; | |
1096 | } | |
c5aa993b | 1097 | |
5fbbeb29 | 1098 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
1099 | step_frame_address = FRAME_FP (frame); |
1100 | step_sp = read_sp (); | |
1101 | ||
1102 | step_multi = 0; /* Only one call to proceed */ | |
c5aa993b | 1103 | |
2acceee2 | 1104 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
1105 | } |
1106 | ||
c5aa993b | 1107 | static void |
fba45db2 | 1108 | until_command (char *arg, int from_tty) |
c906108c | 1109 | { |
43ff13b4 JM |
1110 | int async_exec = 0; |
1111 | ||
c906108c SS |
1112 | if (!target_has_execution) |
1113 | error ("The program is not running."); | |
43ff13b4 JM |
1114 | |
1115 | /* Find out whether we must run in the background. */ | |
1116 | if (arg != NULL) | |
1117 | async_exec = strip_bg_char (&arg); | |
1118 | ||
1119 | /* If we must run in the background, but the target can't do it, | |
1120 | error out. */ | |
6426a772 | 1121 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1122 | error ("Asynchronous execution not supported on this target."); |
1123 | ||
1124 | /* If we are not asked to run in the bg, then prepare to run in the | |
1125 | foreground, synchronously. */ | |
6426a772 | 1126 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1127 | { |
43ff13b4 | 1128 | /* Simulate synchronous execution */ |
6426a772 | 1129 | async_disable_stdin (); |
43ff13b4 JM |
1130 | } |
1131 | ||
c906108c SS |
1132 | if (arg) |
1133 | until_break_command (arg, from_tty); | |
1134 | else | |
1135 | until_next_command (from_tty); | |
1136 | } | |
1137 | \f | |
43ff13b4 | 1138 | |
11cf8741 JM |
1139 | /* Print the result of a function at the end of a 'finish' command. */ |
1140 | static void | |
1141 | print_return_value (int structure_return, struct type *value_type) | |
1142 | { | |
3d6d86c6 | 1143 | struct value *value; |
8b93c638 | 1144 | static struct ui_stream *stb = NULL; |
11cf8741 JM |
1145 | |
1146 | if (!structure_return) | |
1147 | { | |
1148 | value = value_being_returned (value_type, stop_registers, structure_return); | |
8b93c638 JM |
1149 | stb = ui_out_stream_new (uiout); |
1150 | ui_out_text (uiout, "Value returned is "); | |
1151 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value)); | |
9549d9c1 | 1152 | ui_out_text (uiout, " = "); |
8b93c638 JM |
1153 | value_print (value, stb->stream, 0, Val_no_prettyprint); |
1154 | ui_out_field_stream (uiout, "return-value", stb); | |
1155 | ui_out_text (uiout, "\n"); | |
11cf8741 JM |
1156 | } |
1157 | else | |
1158 | { | |
1159 | /* We cannot determine the contents of the structure because | |
1160 | it is on the stack, and we don't know where, since we did not | |
1161 | initiate the call, as opposed to the call_function_by_hand case */ | |
1162 | #ifdef VALUE_RETURNED_FROM_STACK | |
1163 | value = 0; | |
8b93c638 JM |
1164 | ui_out_text (uiout, "Value returned has type: "); |
1165 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); | |
1166 | ui_out_text (uiout, "."); | |
1167 | ui_out_text (uiout, " Cannot determine contents\n"); | |
11cf8741 JM |
1168 | #else |
1169 | value = value_being_returned (value_type, stop_registers, structure_return); | |
8b93c638 JM |
1170 | stb = ui_out_stream_new (uiout); |
1171 | ui_out_text (uiout, "Value returned is "); | |
1172 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value)); | |
28ae27b1 | 1173 | ui_out_text (uiout, " = "); |
8b93c638 JM |
1174 | value_print (value, stb->stream, 0, Val_no_prettyprint); |
1175 | ui_out_field_stream (uiout, "return-value", stb); | |
1176 | ui_out_text (uiout, "\n"); | |
11cf8741 JM |
1177 | #endif |
1178 | } | |
1179 | } | |
1180 | ||
43ff13b4 JM |
1181 | /* Stuff that needs to be done by the finish command after the target |
1182 | has stopped. In asynchronous mode, we wait for the target to stop in | |
1183 | the call to poll or select in the event loop, so it is impossible to | |
1184 | do all the stuff as part of the finish_command function itself. The | |
1185 | only chance we have to complete this command is in | |
1186 | fetch_inferior_event, which is called by the event loop as soon as it | |
1187 | detects that the target has stopped. This function is called via the | |
6953f3ba | 1188 | cmd_continuation pointer. */ |
43ff13b4 | 1189 | void |
fba45db2 | 1190 | finish_command_continuation (struct continuation_arg *arg) |
43ff13b4 JM |
1191 | { |
1192 | register struct symbol *function; | |
1193 | struct breakpoint *breakpoint; | |
0d06e24b | 1194 | struct cleanup *cleanups; |
c5aa993b | 1195 | |
57e687d9 MS |
1196 | breakpoint = (struct breakpoint *) arg->data.pointer; |
1197 | function = (struct symbol *) arg->next->data.pointer; | |
1198 | cleanups = (struct cleanup *) arg->next->next->data.pointer; | |
43ff13b4 | 1199 | |
c5aa993b | 1200 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
43ff13b4 JM |
1201 | && function != 0) |
1202 | { | |
1203 | struct type *value_type; | |
43ff13b4 JM |
1204 | CORE_ADDR funcaddr; |
1205 | int struct_return; | |
1206 | ||
1207 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1208 | if (!value_type) | |
8e65ff28 AC |
1209 | internal_error (__FILE__, __LINE__, |
1210 | "finish_command: function has no target type"); | |
c5aa993b | 1211 | |
43ff13b4 JM |
1212 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1213 | { | |
0d06e24b | 1214 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1215 | return; |
1216 | } | |
1217 | ||
1218 | funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); | |
1219 | ||
1220 | struct_return = using_struct_return (value_of_variable (function, NULL), | |
c5aa993b JM |
1221 | funcaddr, |
1222 | check_typedef (value_type), | |
11cf8741 | 1223 | BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))); |
43ff13b4 | 1224 | |
11cf8741 | 1225 | print_return_value (struct_return, value_type); |
43ff13b4 | 1226 | } |
0d06e24b | 1227 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1228 | } |
1229 | ||
c906108c SS |
1230 | /* "finish": Set a temporary breakpoint at the place |
1231 | the selected frame will return to, then continue. */ | |
1232 | ||
1233 | static void | |
fba45db2 | 1234 | finish_command (char *arg, int from_tty) |
c906108c SS |
1235 | { |
1236 | struct symtab_and_line sal; | |
1237 | register struct frame_info *frame; | |
1238 | register struct symbol *function; | |
1239 | struct breakpoint *breakpoint; | |
1240 | struct cleanup *old_chain; | |
0d06e24b | 1241 | struct continuation_arg *arg1, *arg2, *arg3; |
43ff13b4 JM |
1242 | |
1243 | int async_exec = 0; | |
1244 | ||
1245 | /* Find out whether we must run in the background. */ | |
1246 | if (arg != NULL) | |
1247 | async_exec = strip_bg_char (&arg); | |
1248 | ||
1249 | /* If we must run in the background, but the target can't do it, | |
1250 | error out. */ | |
6426a772 | 1251 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1252 | error ("Asynchronous execution not supported on this target."); |
1253 | ||
1254 | /* If we are not asked to run in the bg, then prepare to run in the | |
1255 | foreground, synchronously. */ | |
6426a772 | 1256 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1257 | { |
43ff13b4 | 1258 | /* Simulate synchronous execution */ |
6426a772 | 1259 | async_disable_stdin (); |
43ff13b4 | 1260 | } |
c906108c SS |
1261 | |
1262 | if (arg) | |
1263 | error ("The \"finish\" command does not take any arguments."); | |
1264 | if (!target_has_execution) | |
1265 | error ("The program is not running."); | |
1266 | if (selected_frame == NULL) | |
1267 | error ("No selected frame."); | |
1268 | ||
1269 | frame = get_prev_frame (selected_frame); | |
1270 | if (frame == 0) | |
1271 | error ("\"finish\" not meaningful in the outermost frame."); | |
1272 | ||
1273 | clear_proceed_status (); | |
1274 | ||
1275 | sal = find_pc_line (frame->pc, 0); | |
1276 | sal.pc = frame->pc; | |
1277 | ||
1278 | breakpoint = set_momentary_breakpoint (sal, frame, bp_finish); | |
1279 | ||
6426a772 | 1280 | if (!event_loop_p || !target_can_async_p ()) |
4d6140d9 | 1281 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
43ff13b4 | 1282 | else |
4d6140d9 | 1283 | old_chain = make_exec_cleanup_delete_breakpoint (breakpoint); |
c906108c SS |
1284 | |
1285 | /* Find the function we will return from. */ | |
1286 | ||
1287 | function = find_pc_function (selected_frame->pc); | |
1288 | ||
1289 | /* Print info on the selected frame, including level number | |
1290 | but not source. */ | |
1291 | if (from_tty) | |
1292 | { | |
1293 | printf_filtered ("Run till exit from "); | |
b31da25e AC |
1294 | print_stack_frame (selected_frame, |
1295 | frame_relative_level (selected_frame), 0); | |
c906108c SS |
1296 | } |
1297 | ||
43ff13b4 JM |
1298 | /* If running asynchronously and the target support asynchronous |
1299 | execution, set things up for the rest of the finish command to be | |
1300 | completed later on, when gdb has detected that the target has | |
1301 | stopped, in fetch_inferior_event. */ | |
6426a772 | 1302 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1303 | { |
c5aa993b | 1304 | arg1 = |
43ff13b4 | 1305 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
c5aa993b | 1306 | arg2 = |
43ff13b4 | 1307 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
0d06e24b JM |
1308 | arg3 = |
1309 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
43ff13b4 | 1310 | arg1->next = arg2; |
0d06e24b JM |
1311 | arg2->next = arg3; |
1312 | arg3->next = NULL; | |
57e687d9 MS |
1313 | arg1->data.pointer = breakpoint; |
1314 | arg2->data.pointer = function; | |
1315 | arg3->data.pointer = old_chain; | |
43ff13b4 JM |
1316 | add_continuation (finish_command_continuation, arg1); |
1317 | } | |
1318 | ||
c5aa993b | 1319 | proceed_to_finish = 1; /* We want stop_registers, please... */ |
2acceee2 | 1320 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c | 1321 | |
43ff13b4 JM |
1322 | /* Do this only if not running asynchronously or if the target |
1323 | cannot do async execution. Otherwise, complete this command when | |
c5aa993b | 1324 | the target actually stops, in fetch_inferior_event. */ |
6426a772 | 1325 | if (!event_loop_p || !target_can_async_p ()) |
c5aa993b JM |
1326 | { |
1327 | ||
1328 | /* Did we stop at our breakpoint? */ | |
1329 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL | |
1330 | && function != 0) | |
1331 | { | |
1332 | struct type *value_type; | |
c5aa993b JM |
1333 | CORE_ADDR funcaddr; |
1334 | int struct_return; | |
1335 | ||
1336 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1337 | if (!value_type) | |
8e65ff28 AC |
1338 | internal_error (__FILE__, __LINE__, |
1339 | "finish_command: function has no target type"); | |
c5aa993b JM |
1340 | |
1341 | /* FIXME: Shouldn't we do the cleanups before returning? */ | |
1342 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) | |
1343 | return; | |
1344 | ||
1345 | funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); | |
1346 | ||
1347 | struct_return = | |
1348 | using_struct_return (value_of_variable (function, NULL), | |
1349 | funcaddr, | |
1350 | check_typedef (value_type), | |
1351 | BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))); | |
1352 | ||
11cf8741 | 1353 | print_return_value (struct_return, value_type); |
c5aa993b JM |
1354 | } |
1355 | do_cleanups (old_chain); | |
1356 | } | |
c906108c SS |
1357 | } |
1358 | \f | |
1359 | /* ARGSUSED */ | |
1360 | static void | |
fba45db2 | 1361 | program_info (char *args, int from_tty) |
c906108c SS |
1362 | { |
1363 | bpstat bs = stop_bpstat; | |
1364 | int num = bpstat_num (&bs); | |
c5aa993b | 1365 | |
c906108c SS |
1366 | if (!target_has_execution) |
1367 | { | |
1368 | printf_filtered ("The program being debugged is not being run.\n"); | |
1369 | return; | |
1370 | } | |
1371 | ||
1372 | target_files_info (); | |
1373 | printf_filtered ("Program stopped at %s.\n", | |
c5aa993b | 1374 | local_hex_string ((unsigned long) stop_pc)); |
c906108c SS |
1375 | if (stop_step) |
1376 | printf_filtered ("It stopped after being stepped.\n"); | |
1377 | else if (num != 0) | |
1378 | { | |
1379 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1380 | isn't as strange as it seems. */ |
c906108c SS |
1381 | while (num != 0) |
1382 | { | |
1383 | if (num < 0) | |
1384 | { | |
1385 | printf_filtered ("It stopped at a breakpoint that has "); | |
1386 | printf_filtered ("since been deleted.\n"); | |
1387 | } | |
1388 | else | |
1389 | printf_filtered ("It stopped at breakpoint %d.\n", num); | |
1390 | num = bpstat_num (&bs); | |
1391 | } | |
1392 | } | |
1393 | else if (stop_signal != TARGET_SIGNAL_0) | |
1394 | { | |
1395 | printf_filtered ("It stopped with signal %s, %s.\n", | |
1396 | target_signal_to_name (stop_signal), | |
1397 | target_signal_to_string (stop_signal)); | |
1398 | } | |
1399 | ||
1400 | if (!from_tty) | |
1401 | { | |
1402 | printf_filtered ("Type \"info stack\" or \"info registers\" "); | |
1403 | printf_filtered ("for more information.\n"); | |
1404 | } | |
1405 | } | |
1406 | \f | |
1407 | static void | |
fba45db2 | 1408 | environment_info (char *var, int from_tty) |
c906108c SS |
1409 | { |
1410 | if (var) | |
1411 | { | |
1412 | register char *val = get_in_environ (inferior_environ, var); | |
1413 | if (val) | |
1414 | { | |
1415 | puts_filtered (var); | |
1416 | puts_filtered (" = "); | |
1417 | puts_filtered (val); | |
1418 | puts_filtered ("\n"); | |
1419 | } | |
1420 | else | |
1421 | { | |
1422 | puts_filtered ("Environment variable \""); | |
1423 | puts_filtered (var); | |
1424 | puts_filtered ("\" not defined.\n"); | |
1425 | } | |
1426 | } | |
1427 | else | |
1428 | { | |
1429 | register char **vector = environ_vector (inferior_environ); | |
1430 | while (*vector) | |
1431 | { | |
1432 | puts_filtered (*vector++); | |
1433 | puts_filtered ("\n"); | |
1434 | } | |
1435 | } | |
1436 | } | |
1437 | ||
1438 | static void | |
fba45db2 | 1439 | set_environment_command (char *arg, int from_tty) |
c906108c SS |
1440 | { |
1441 | register char *p, *val, *var; | |
1442 | int nullset = 0; | |
1443 | ||
1444 | if (arg == 0) | |
1445 | error_no_arg ("environment variable and value"); | |
1446 | ||
1447 | /* Find seperation between variable name and value */ | |
1448 | p = (char *) strchr (arg, '='); | |
1449 | val = (char *) strchr (arg, ' '); | |
1450 | ||
1451 | if (p != 0 && val != 0) | |
1452 | { | |
1453 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1454 | equals, walk forward over the spaces til we see a nonspace |
1455 | (possibly the equals). */ | |
c906108c SS |
1456 | if (p > val) |
1457 | while (*val == ' ') | |
1458 | val++; | |
1459 | ||
1460 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1461 | take the char following the spaces. */ |
c906108c SS |
1462 | if (p > val) |
1463 | p = val - 1; | |
1464 | } | |
1465 | else if (val != 0 && p == 0) | |
1466 | p = val; | |
1467 | ||
1468 | if (p == arg) | |
1469 | error_no_arg ("environment variable to set"); | |
1470 | ||
1471 | if (p == 0 || p[1] == 0) | |
1472 | { | |
1473 | nullset = 1; | |
1474 | if (p == 0) | |
1475 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1476 | } | |
1477 | else | |
1478 | { | |
1479 | /* Not setting variable value to null */ | |
1480 | val = p + 1; | |
1481 | while (*val == ' ' || *val == '\t') | |
1482 | val++; | |
1483 | } | |
1484 | ||
c5aa993b JM |
1485 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1486 | p--; | |
c906108c SS |
1487 | |
1488 | var = savestring (arg, p - arg); | |
1489 | if (nullset) | |
1490 | { | |
1491 | printf_filtered ("Setting environment variable "); | |
1492 | printf_filtered ("\"%s\" to null value.\n", var); | |
1493 | set_in_environ (inferior_environ, var, ""); | |
1494 | } | |
1495 | else | |
1496 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1497 | xfree (var); |
c906108c SS |
1498 | } |
1499 | ||
1500 | static void | |
fba45db2 | 1501 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1502 | { |
1503 | if (var == 0) | |
1504 | { | |
1505 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1506 | Ask for confirmation if reading from the terminal. */ |
c906108c SS |
1507 | if (!from_tty || query ("Delete all environment variables? ")) |
1508 | { | |
1509 | free_environ (inferior_environ); | |
1510 | inferior_environ = make_environ (); | |
1511 | } | |
1512 | } | |
1513 | else | |
1514 | unset_in_environ (inferior_environ, var); | |
1515 | } | |
1516 | ||
1517 | /* Handle the execution path (PATH variable) */ | |
1518 | ||
1519 | static const char path_var_name[] = "PATH"; | |
1520 | ||
1521 | /* ARGSUSED */ | |
1522 | static void | |
fba45db2 | 1523 | path_info (char *args, int from_tty) |
c906108c SS |
1524 | { |
1525 | puts_filtered ("Executable and object file path: "); | |
1526 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1527 | puts_filtered ("\n"); | |
1528 | } | |
1529 | ||
1530 | /* Add zero or more directories to the front of the execution path. */ | |
1531 | ||
1532 | static void | |
fba45db2 | 1533 | path_command (char *dirname, int from_tty) |
c906108c SS |
1534 | { |
1535 | char *exec_path; | |
1536 | char *env; | |
1537 | dont_repeat (); | |
1538 | env = get_in_environ (inferior_environ, path_var_name); | |
1539 | /* Can be null if path is not set */ | |
1540 | if (!env) | |
1541 | env = ""; | |
4fcf66da | 1542 | exec_path = xstrdup (env); |
c906108c SS |
1543 | mod_path (dirname, &exec_path); |
1544 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1545 | xfree (exec_path); |
c906108c | 1546 | if (from_tty) |
c5aa993b | 1547 | path_info ((char *) NULL, from_tty); |
c906108c | 1548 | } |
c906108c | 1549 | \f |
c5aa993b | 1550 | |
c906108c SS |
1551 | #ifdef REGISTER_NAMES |
1552 | char *gdb_register_names[] = REGISTER_NAMES; | |
1553 | #endif | |
4782dc19 | 1554 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1555 | registers (print_all == 1) or all non-float and non-vector |
1556 | registers (print_all == 0). | |
c906108c SS |
1557 | |
1558 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1559 | register(s) one per line is good enough. If a different format is |
1560 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1561 | regs), or there is an existing convention for showing all the | |
1562 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1563 | provide that format. */ | |
c906108c | 1564 | |
666e11c5 | 1565 | void |
0ab7a791 AC |
1566 | default_print_registers_info (struct gdbarch *gdbarch, |
1567 | struct ui_file *file, | |
1568 | struct frame_info *frame, | |
1569 | int regnum, int print_all) | |
c906108c | 1570 | { |
0ab7a791 AC |
1571 | int i; |
1572 | const int numregs = NUM_REGS + NUM_PSEUDO_REGS; | |
1573 | char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE); | |
1574 | char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE); | |
1575 | ||
903ad3a6 | 1576 | if (DEPRECATED_DO_REGISTERS_INFO_P ()) |
0ab7a791 | 1577 | { |
903ad3a6 | 1578 | DEPRECATED_DO_REGISTERS_INFO (regnum, print_all); |
0ab7a791 AC |
1579 | return; |
1580 | } | |
c906108c SS |
1581 | |
1582 | for (i = 0; i < numregs; i++) | |
1583 | { | |
4782dc19 AC |
1584 | /* Decide between printing all regs, non-float / vector regs, or |
1585 | specific reg. */ | |
c5aa993b JM |
1586 | if (regnum == -1) |
1587 | { | |
f9418c0f | 1588 | if (print_all) |
4782dc19 | 1589 | { |
f9418c0f | 1590 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1591 | continue; |
f9418c0f AC |
1592 | } |
1593 | else | |
1594 | { | |
1595 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1596 | continue; |
1597 | } | |
c5aa993b JM |
1598 | } |
1599 | else | |
1600 | { | |
1601 | if (i != regnum) | |
1602 | continue; | |
1603 | } | |
c906108c SS |
1604 | |
1605 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1606 | processor, so don't display anything. */ |
c906108c SS |
1607 | if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0') |
1608 | continue; | |
1609 | ||
0ab7a791 AC |
1610 | fputs_filtered (REGISTER_NAME (i), file); |
1611 | print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file); | |
c906108c SS |
1612 | |
1613 | /* Get the data in raw format. */ | |
0ab7a791 | 1614 | if (! frame_register_read (frame, i, raw_buffer)) |
c906108c | 1615 | { |
0ab7a791 | 1616 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1617 | continue; |
1618 | } | |
1619 | ||
0ab7a791 AC |
1620 | /* FIXME: cagney/2002-08-03: This code shouldn't be necessary. |
1621 | The function frame_register_read() should have returned the | |
1622 | pre-cooked register so no conversion is necessary. */ | |
c906108c | 1623 | /* Convert raw data to virtual format if necessary. */ |
c906108c SS |
1624 | if (REGISTER_CONVERTIBLE (i)) |
1625 | { | |
1626 | REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i), | |
1627 | raw_buffer, virtual_buffer); | |
1628 | } | |
1629 | else | |
392a587b JM |
1630 | { |
1631 | memcpy (virtual_buffer, raw_buffer, | |
1632 | REGISTER_VIRTUAL_SIZE (i)); | |
1633 | } | |
c906108c | 1634 | |
0ab7a791 AC |
1635 | /* If virtual format is floating, print it that way, and in raw |
1636 | hex. */ | |
c906108c SS |
1637 | if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT) |
1638 | { | |
0ab7a791 | 1639 | int j; |
c906108c | 1640 | |
75bc7ddf | 1641 | val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0, |
0ab7a791 | 1642 | file, 0, 1, 0, Val_pretty_default); |
c906108c | 1643 | |
0ab7a791 | 1644 | fprintf_filtered (file, "\t(raw 0x"); |
c906108c SS |
1645 | for (j = 0; j < REGISTER_RAW_SIZE (i); j++) |
1646 | { | |
0ab7a791 AC |
1647 | int idx; |
1648 | if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) | |
1649 | idx = j; | |
1650 | else | |
1651 | idx = REGISTER_RAW_SIZE (i) - 1 - j; | |
1652 | fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]); | |
c906108c | 1653 | } |
0ab7a791 | 1654 | fprintf_filtered (file, ")"); |
c906108c | 1655 | } |
c906108c SS |
1656 | else |
1657 | { | |
ab4327e0 | 1658 | /* Print the register in hex. */ |
c906108c | 1659 | val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0, |
9d84ac84 | 1660 | file, 'x', 1, 0, Val_pretty_default); |
ab4327e0 EZ |
1661 | /* If not a vector register, print it also according to its |
1662 | natural format. */ | |
1663 | if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0) | |
1664 | { | |
9d84ac84 | 1665 | fprintf_filtered (file, "\t"); |
ab4327e0 | 1666 | val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0, |
9d84ac84 | 1667 | file, 0, 1, 0, Val_pretty_default); |
ab4327e0 | 1668 | } |
c906108c SS |
1669 | } |
1670 | ||
0ab7a791 | 1671 | fprintf_filtered (file, "\n"); |
c906108c SS |
1672 | } |
1673 | } | |
c906108c | 1674 | |
c906108c | 1675 | void |
fba45db2 | 1676 | registers_info (char *addr_exp, int fpregs) |
c906108c SS |
1677 | { |
1678 | int regnum, numregs; | |
1679 | register char *end; | |
1680 | ||
1681 | if (!target_has_registers) | |
1682 | error ("The program has no registers now."); | |
1683 | if (selected_frame == NULL) | |
1684 | error ("No selected frame."); | |
1685 | ||
1686 | if (!addr_exp) | |
1687 | { | |
0ab7a791 AC |
1688 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, |
1689 | selected_frame, -1, fpregs); | |
c906108c SS |
1690 | return; |
1691 | } | |
1692 | ||
f9418c0f | 1693 | while (*addr_exp != '\0') |
c5aa993b | 1694 | { |
f9418c0f AC |
1695 | char *start; |
1696 | const char *end; | |
c906108c | 1697 | |
f9418c0f AC |
1698 | /* Keep skipping leading white space. */ |
1699 | if (isspace ((*addr_exp))) | |
1700 | { | |
1701 | addr_exp++; | |
1702 | continue; | |
1703 | } | |
c906108c | 1704 | |
f9418c0f AC |
1705 | /* Discard any leading ``$''. Check that there is something |
1706 | resembling a register following it. */ | |
1707 | if (addr_exp[0] == '$') | |
1708 | addr_exp++; | |
1709 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
1710 | error ("Missing register name"); | |
c906108c | 1711 | |
f9418c0f AC |
1712 | /* Find the start/end of this register name/num/group. */ |
1713 | start = addr_exp; | |
1714 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1715 | addr_exp++; | |
1716 | end = addr_exp; | |
1717 | ||
1718 | /* Figure out what we've found and display it. */ | |
1719 | ||
1720 | /* A register name? */ | |
1721 | { | |
1722 | int regnum = frame_map_name_to_regnum (start, end - start); | |
1723 | if (regnum >= 0) | |
1724 | { | |
1725 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
1726 | selected_frame, regnum, fpregs); | |
1727 | continue; | |
1728 | } | |
1729 | } | |
1730 | ||
1731 | /* A register number? (how portable is this one?). */ | |
1732 | { | |
1733 | char *endptr; | |
1734 | int regnum = strtol (start, &endptr, 0); | |
1735 | if (endptr == end | |
1736 | && regnum >= 0 | |
1737 | && regnum < NUM_REGS + NUM_PSEUDO_REGS) | |
1738 | { | |
1739 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
1740 | selected_frame, regnum, fpregs); | |
1741 | continue; | |
1742 | } | |
1743 | } | |
1744 | ||
1745 | /* A register group? */ | |
1746 | { | |
1747 | struct reggroup *const *group; | |
1748 | for (group = reggroups (current_gdbarch); | |
1749 | (*group) != NULL; | |
1750 | group++) | |
1751 | { | |
1752 | /* Don't bother with a length check. Should the user | |
1753 | enter a short register group name, go with the first | |
1754 | group that matches. */ | |
1755 | if (strncmp (start, reggroup_name ((*group)), end - start) == 0) | |
1756 | break; | |
1757 | } | |
1758 | if ((*group) != NULL) | |
1759 | { | |
1760 | int regnum; | |
1761 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) | |
1762 | { | |
1763 | if (gdbarch_register_reggroup_p (current_gdbarch, regnum, | |
1764 | (*group))) | |
1765 | gdbarch_print_registers_info (current_gdbarch, | |
1766 | gdb_stdout, selected_frame, | |
1767 | regnum, fpregs); | |
1768 | } | |
1769 | continue; | |
1770 | } | |
1771 | } | |
c906108c | 1772 | |
f9418c0f AC |
1773 | /* Nothing matched. */ |
1774 | error ("Invalid register `%.*s'", (int) (end - start), start); | |
c5aa993b | 1775 | } |
c906108c SS |
1776 | } |
1777 | ||
1778 | void | |
fba45db2 | 1779 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1780 | { |
1781 | registers_info (addr_exp, 1); | |
1782 | } | |
1783 | ||
a58dd373 | 1784 | static void |
fba45db2 | 1785 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1786 | { |
1787 | registers_info (addr_exp, 0); | |
1788 | } | |
e76f1f2e AC |
1789 | |
1790 | static void | |
1791 | print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, | |
1792 | struct frame_info *frame, const char *args) | |
1793 | { | |
1794 | if (gdbarch_print_vector_info_p (gdbarch)) | |
1795 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
1796 | else | |
1797 | { | |
1798 | int regnum; | |
1799 | int printed_something = 0; | |
ab4327e0 EZ |
1800 | |
1801 | if (!target_has_registers) | |
1802 | error ("The program has no registers now."); | |
1803 | if (selected_frame == NULL) | |
1804 | error ("No selected frame."); | |
1805 | ||
e76f1f2e AC |
1806 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1807 | { | |
f9418c0f | 1808 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
1809 | { |
1810 | printed_something = 1; | |
e76f1f2e | 1811 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
1812 | } |
1813 | } | |
1814 | if (!printed_something) | |
1815 | fprintf_filtered (file, "No vector information\n"); | |
1816 | } | |
1817 | } | |
1818 | ||
1819 | static void | |
1820 | vector_info (char *args, int from_tty) | |
1821 | { | |
1822 | print_vector_info (current_gdbarch, gdb_stdout, selected_frame, args); | |
1823 | } | |
c906108c | 1824 | \f |
c5aa993b | 1825 | |
c906108c SS |
1826 | /* |
1827 | * TODO: | |
1828 | * Should save/restore the tty state since it might be that the | |
1829 | * program to be debugged was started on this tty and it wants | |
1830 | * the tty in some state other than what we want. If it's running | |
1831 | * on another terminal or without a terminal, then saving and | |
1832 | * restoring the tty state is a harmless no-op. | |
1833 | * This only needs to be done if we are attaching to a process. | |
1834 | */ | |
1835 | ||
1836 | /* | |
1837 | attach_command -- | |
1838 | takes a program started up outside of gdb and ``attaches'' to it. | |
1839 | This stops it cold in its tracks and allows us to start debugging it. | |
1840 | and wait for the trace-trap that results from attaching. */ | |
1841 | ||
1842 | void | |
fba45db2 | 1843 | attach_command (char *args, int from_tty) |
c906108c | 1844 | { |
c5aa993b JM |
1845 | char *exec_file; |
1846 | char *full_exec_path = NULL; | |
c906108c | 1847 | |
c5aa993b | 1848 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1849 | |
1850 | if (target_has_execution) | |
1851 | { | |
1852 | if (query ("A program is being debugged already. Kill it? ")) | |
1853 | target_kill (); | |
1854 | else | |
1855 | error ("Not killed."); | |
1856 | } | |
1857 | ||
1858 | target_attach (args, from_tty); | |
1859 | ||
1860 | /* Set up the "saved terminal modes" of the inferior | |
1861 | based on what modes we are starting it with. */ | |
1862 | target_terminal_init (); | |
1863 | ||
1864 | /* Install inferior's terminal modes. */ | |
1865 | target_terminal_inferior (); | |
1866 | ||
1867 | /* Set up execution context to know that we should return from | |
1868 | wait_for_inferior as soon as the target reports a stop. */ | |
1869 | init_wait_for_inferior (); | |
1870 | clear_proceed_status (); | |
c906108c SS |
1871 | |
1872 | /* No traps are generated when attaching to inferior under Mach 3 | |
1873 | or GNU hurd. */ | |
1874 | #ifndef ATTACH_NO_WAIT | |
00373e55 | 1875 | stop_soon_quietly = 1; |
c906108c SS |
1876 | wait_for_inferior (); |
1877 | #endif | |
1878 | ||
1879 | /* | |
1880 | * If no exec file is yet known, try to determine it from the | |
1881 | * process itself. | |
1882 | */ | |
1883 | exec_file = (char *) get_exec_file (0); | |
c5aa993b JM |
1884 | if (!exec_file) |
1885 | { | |
39f77062 | 1886 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); |
c5aa993b JM |
1887 | if (exec_file) |
1888 | { | |
1889 | /* It's possible we don't have a full path, but rather just a | |
1890 | filename. Some targets, such as HP-UX, don't provide the | |
1891 | full path, sigh. | |
1892 | ||
1893 | Attempt to qualify the filename against the source path. | |
1894 | (If that fails, we'll just fall back on the original | |
1895 | filename. Not much more we can do...) | |
1896 | */ | |
1897 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1898 | full_exec_path = savestring (exec_file, strlen (exec_file)); | |
1899 | ||
1900 | exec_file_attach (full_exec_path, from_tty); | |
1adeb98a | 1901 | symbol_file_add_main (full_exec_path, from_tty); |
c5aa993b | 1902 | } |
c906108c | 1903 | } |
c906108c SS |
1904 | |
1905 | #ifdef SOLIB_ADD | |
990f9fe3 FF |
1906 | /* Add shared library symbols from the newly attached process, if any. */ |
1907 | SOLIB_ADD ((char *) 0, from_tty, ¤t_target, auto_solib_add); | |
1908 | re_enable_breakpoints_in_shlibs (); | |
c906108c SS |
1909 | #endif |
1910 | ||
1911 | /* Take any necessary post-attaching actions for this platform. | |
c5aa993b | 1912 | */ |
39f77062 | 1913 | target_post_attach (PIDGET (inferior_ptid)); |
c906108c SS |
1914 | |
1915 | normal_stop (); | |
6426a772 JM |
1916 | |
1917 | if (attach_hook) | |
1918 | attach_hook (); | |
c906108c SS |
1919 | } |
1920 | ||
1921 | /* | |
1922 | * detach_command -- | |
1923 | * takes a program previously attached to and detaches it. | |
1924 | * The program resumes execution and will no longer stop | |
1925 | * on signals, etc. We better not have left any breakpoints | |
1926 | * in the program or it'll die when it hits one. For this | |
1927 | * to work, it may be necessary for the process to have been | |
1928 | * previously attached. It *might* work if the program was | |
1929 | * started via the normal ptrace (PTRACE_TRACEME). | |
1930 | */ | |
1931 | ||
1932 | static void | |
fba45db2 | 1933 | detach_command (char *args, int from_tty) |
c906108c | 1934 | { |
c5aa993b | 1935 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1936 | target_detach (args, from_tty); |
1937 | #if defined(SOLIB_RESTART) | |
1938 | SOLIB_RESTART (); | |
1939 | #endif | |
6426a772 JM |
1940 | if (detach_hook) |
1941 | detach_hook (); | |
c906108c SS |
1942 | } |
1943 | ||
43ff13b4 JM |
1944 | /* Stop the execution of the target while running in async mode, in |
1945 | the backgound. */ | |
8b93c638 | 1946 | void |
fba45db2 | 1947 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 1948 | { |
6426a772 | 1949 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1950 | { |
c5aa993b | 1951 | dont_repeat (); /* Not for the faint of heart */ |
43ff13b4 JM |
1952 | target_stop (); |
1953 | } | |
1954 | } | |
1955 | ||
c906108c SS |
1956 | /* ARGSUSED */ |
1957 | static void | |
23e3a7ac AC |
1958 | print_float_info (struct gdbarch *gdbarch, struct ui_file *file, |
1959 | struct frame_info *frame, const char *args) | |
c906108c | 1960 | { |
23e3a7ac AC |
1961 | if (gdbarch_print_float_info_p (gdbarch)) |
1962 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
1963 | else | |
1964 | { | |
1965 | #ifdef FLOAT_INFO | |
1966 | #if GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL | |
1967 | #error "FLOAT_INFO defined in multi-arch" | |
1968 | #endif | |
1969 | FLOAT_INFO; | |
1970 | #else | |
1971 | int regnum; | |
1972 | int printed_something = 0; | |
ab4327e0 EZ |
1973 | |
1974 | if (!target_has_registers) | |
1975 | error ("The program has no registers now."); | |
1976 | if (selected_frame == NULL) | |
1977 | error ("No selected frame."); | |
1978 | ||
23e3a7ac AC |
1979 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1980 | { | |
f9418c0f | 1981 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
1982 | { |
1983 | printed_something = 1; | |
23e3a7ac | 1984 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
1985 | } |
1986 | } | |
1987 | if (!printed_something) | |
1988 | fprintf_filtered (file, "\ | |
1989 | No floating-point info available for this processor.\n"); | |
1990 | #endif | |
1991 | } | |
1992 | } | |
1993 | ||
1994 | static void | |
1995 | float_info (char *args, int from_tty) | |
1996 | { | |
1997 | print_float_info (current_gdbarch, gdb_stdout, selected_frame, args); | |
c906108c SS |
1998 | } |
1999 | \f | |
2000 | /* ARGSUSED */ | |
2001 | static void | |
fba45db2 | 2002 | unset_command (char *args, int from_tty) |
c906108c SS |
2003 | { |
2004 | printf_filtered ("\"unset\" must be followed by the name of "); | |
2005 | printf_filtered ("an unset subcommand.\n"); | |
2006 | help_list (unsetlist, "unset ", -1, gdb_stdout); | |
2007 | } | |
2008 | ||
2009 | void | |
fba45db2 | 2010 | _initialize_infcmd (void) |
c906108c SS |
2011 | { |
2012 | struct cmd_list_element *c; | |
c5aa993b | 2013 | |
c94fdfd0 EZ |
2014 | c = add_com ("tty", class_run, tty_command, |
2015 | "Set terminal for future runs of program being debugged."); | |
5ba2abeb | 2016 | set_cmd_completer (c, filename_completer); |
c906108c | 2017 | |
fa58ee11 EZ |
2018 | c = add_set_cmd ("args", class_run, var_string_noescape, |
2019 | (char *) &inferior_args, | |
2020 | "Set argument list to give program being debugged when it is started.\n\ | |
c906108c | 2021 | Follow this command with any number of args, to be passed to the program.", |
fa58ee11 | 2022 | &setlist); |
5ba2abeb | 2023 | set_cmd_completer (c, filename_completer); |
9f60d481 | 2024 | set_cmd_sfunc (c, notice_args_set); |
552c04a7 | 2025 | c = add_show_from_set (c, &showlist); |
9f60d481 | 2026 | set_cmd_sfunc (c, notice_args_read); |
c906108c SS |
2027 | |
2028 | c = add_cmd | |
2029 | ("environment", no_class, environment_info, | |
2030 | "The environment to give the program, or one variable's value.\n\ | |
2031 | With an argument VAR, prints the value of environment variable VAR to\n\ | |
2032 | give the program being debugged. With no arguments, prints the entire\n\ | |
2033 | environment to be given to the program.", &showlist); | |
5ba2abeb | 2034 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2035 | |
2036 | add_prefix_cmd ("unset", no_class, unset_command, | |
d4654627 | 2037 | "Complement to certain \"set\" commands.", |
c906108c | 2038 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2039 | |
c906108c | 2040 | c = add_cmd ("environment", class_run, unset_environment_command, |
c5aa993b | 2041 | "Cancel environment variable VAR for the program.\n\ |
c906108c | 2042 | This does not affect the program until the next \"run\" command.", |
c5aa993b | 2043 | &unsetlist); |
5ba2abeb | 2044 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2045 | |
2046 | c = add_cmd ("environment", class_run, set_environment_command, | |
2047 | "Set environment variable value to give the program.\n\ | |
2048 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ | |
2049 | VALUES of environment variables are uninterpreted strings.\n\ | |
2050 | This does not affect the program until the next \"run\" command.", | |
c5aa993b | 2051 | &setlist); |
5ba2abeb | 2052 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2053 | |
fa58ee11 EZ |
2054 | c = add_com ("path", class_files, path_command, |
2055 | "Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2056 | $cwd in the path means the current working directory.\n\ |
2057 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2058 | directories, separated by colons. These directories are searched to find\n\ | |
2059 | fully linked executable files and separately compiled object files as needed."); | |
5ba2abeb | 2060 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2061 | |
2062 | c = add_cmd ("paths", no_class, path_info, | |
c5aa993b | 2063 | "Current search path for finding object files.\n\ |
c906108c SS |
2064 | $cwd in the path means the current working directory.\n\ |
2065 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2066 | directories, separated by colons. These directories are searched to find\n\ | |
2067 | fully linked executable files and separately compiled object files as needed.", | |
2068 | &showlist); | |
5ba2abeb | 2069 | set_cmd_completer (c, noop_completer); |
c906108c | 2070 | |
c5aa993b JM |
2071 | add_com ("attach", class_run, attach_command, |
2072 | "Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2073 | This command attaches to another target, of the same type as your last\n\ |
2074 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2075 | The command may take as argument a process id or a device file.\n\ | |
2076 | For a process id, you must have permission to send the process a signal,\n\ | |
2077 | and it must have the same effective uid as the debugger.\n\ | |
2078 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2079 | program running in the process, looking first in the current working\n\ | |
2080 | directory, or (if not found there) using the source file search path\n\ | |
2081 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
2082 | to specify the program, and to load its symbol table."); | |
2083 | ||
2084 | add_com ("detach", class_run, detach_command, | |
2085 | "Detach a process or file previously attached.\n\ | |
2086 | If a process, it is no longer traced, and it continues its execution. If\n\ | |
2087 | you were debugging a file, the file is closed and gdb no longer accesses it."); | |
2088 | ||
2089 | add_com ("signal", class_run, signal_command, | |
2090 | "Continue program giving it signal specified by the argument.\n\ | |
2091 | An argument of \"0\" means continue program without giving it a signal."); | |
2092 | ||
2093 | add_com ("stepi", class_run, stepi_command, | |
2094 | "Step one instruction exactly.\n\ | |
2095 | Argument N means do this N times (or till program stops for another reason)."); | |
2096 | add_com_alias ("si", "stepi", class_alias, 0); | |
2097 | ||
2098 | add_com ("nexti", class_run, nexti_command, | |
2099 | "Step one instruction, but proceed through subroutine calls.\n\ | |
2100 | Argument N means do this N times (or till program stops for another reason)."); | |
2101 | add_com_alias ("ni", "nexti", class_alias, 0); | |
2102 | ||
2103 | add_com ("finish", class_run, finish_command, | |
2104 | "Execute until selected stack frame returns.\n\ | |
2105 | Upon return, the value returned is printed and put in the value history."); | |
2106 | ||
2107 | add_com ("next", class_run, next_command, | |
2108 | "Step program, proceeding through subroutine calls.\n\ | |
2109 | Like the \"step\" command as long as subroutine calls do not happen;\n\ | |
2110 | when they do, the call is treated as one instruction.\n\ | |
2111 | Argument N means do this N times (or till program stops for another reason)."); | |
2112 | add_com_alias ("n", "next", class_run, 1); | |
2113 | if (xdb_commands) | |
c5aa993b | 2114 | add_com_alias ("S", "next", class_run, 1); |
c906108c SS |
2115 | |
2116 | add_com ("step", class_run, step_command, | |
2117 | "Step program until it reaches a different source line.\n\ | |
2118 | Argument N means do this N times (or till program stops for another reason)."); | |
2119 | add_com_alias ("s", "step", class_run, 1); | |
2120 | ||
c94fdfd0 EZ |
2121 | c = add_com ("until", class_run, until_command, |
2122 | "Execute until the program reaches a source line greater than the current\n\ | |
c906108c SS |
2123 | or a specified line or address or function (same args as break command).\n\ |
2124 | Execution will also stop upon exit from the current stack frame."); | |
5ba2abeb | 2125 | set_cmd_completer (c, location_completer); |
c906108c | 2126 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2127 | |
c94fdfd0 EZ |
2128 | c = add_com ("jump", class_run, jump_command, |
2129 | "Continue program being debugged at specified line or address.\n\ | |
c906108c SS |
2130 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
2131 | for an address to start at."); | |
5ba2abeb | 2132 | set_cmd_completer (c, location_completer); |
c906108c | 2133 | |
b83266a0 | 2134 | if (xdb_commands) |
c94fdfd0 EZ |
2135 | { |
2136 | c = add_com ("go", class_run, go_command, | |
2137 | "Usage: go <location>\n\ | |
c906108c SS |
2138 | Continue program being debugged, stopping at specified line or \n\ |
2139 | address.\n\ | |
2140 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2141 | expression for an address to start at.\n\ | |
2142 | This command is a combination of tbreak and jump."); | |
5ba2abeb | 2143 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2144 | } |
b83266a0 | 2145 | |
c906108c | 2146 | if (xdb_commands) |
c5aa993b | 2147 | add_com_alias ("g", "go", class_run, 1); |
c906108c SS |
2148 | |
2149 | add_com ("continue", class_run, continue_command, | |
2150 | "Continue program being debugged, after signal or breakpoint.\n\ | |
2151 | If proceeding from breakpoint, a number N may be used as an argument,\n\ | |
2152 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
2153 | the breakpoint won't break until the Nth time it is reached)."); | |
2154 | add_com_alias ("c", "cont", class_run, 1); | |
2155 | add_com_alias ("fg", "cont", class_run, 1); | |
2156 | ||
fa58ee11 | 2157 | c = add_com ("run", class_run, run_command, |
c906108c SS |
2158 | "Start debugged program. You may specify arguments to give it.\n\ |
2159 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ | |
2160 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2161 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2162 | To cancel previous arguments and run with no arguments,\n\ | |
2163 | use \"set args\" without arguments."); | |
5ba2abeb | 2164 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2165 | add_com_alias ("r", "run", class_run, 1); |
2166 | if (xdb_commands) | |
2167 | add_com ("R", class_run, run_no_args_command, | |
c5aa993b | 2168 | "Start debugged program with no arguments."); |
c906108c | 2169 | |
43ff13b4 JM |
2170 | add_com ("interrupt", class_run, interrupt_target_command, |
2171 | "Interrupt the execution of the debugged program."); | |
2172 | ||
c906108c | 2173 | add_info ("registers", nofp_registers_info, |
c5aa993b | 2174 | "List of integer registers and their contents, for selected stack frame.\n\ |
c906108c | 2175 | Register name as argument means describe only that register."); |
7194c49b | 2176 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2177 | |
2178 | if (xdb_commands) | |
c5aa993b JM |
2179 | add_com ("lr", class_info, nofp_registers_info, |
2180 | "List of integer registers and their contents, for selected stack frame.\n\ | |
c906108c SS |
2181 | Register name as argument means describe only that register."); |
2182 | add_info ("all-registers", all_registers_info, | |
c5aa993b | 2183 | "List of all registers and their contents, for selected stack frame.\n\ |
c906108c SS |
2184 | Register name as argument means describe only that register."); |
2185 | ||
2186 | add_info ("program", program_info, | |
2187 | "Execution status of the program."); | |
2188 | ||
2189 | add_info ("float", float_info, | |
2190 | "Print the status of the floating point unit\n"); | |
2191 | ||
e76f1f2e AC |
2192 | add_info ("vector", vector_info, |
2193 | "Print the status of the vector unit\n"); | |
2194 | ||
c906108c SS |
2195 | inferior_environ = make_environ (); |
2196 | init_environ (inferior_environ); | |
2197 | } |