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" |
72cec141 | 44 | |
c906108c SS |
45 | /* Functions exported for general use: */ |
46 | ||
a14ed312 | 47 | void nofp_registers_info (char *, int); |
c906108c | 48 | |
a14ed312 | 49 | void all_registers_info (char *, int); |
c906108c | 50 | |
a14ed312 | 51 | void registers_info (char *, int); |
c906108c SS |
52 | |
53 | /* Local functions: */ | |
54 | ||
a14ed312 | 55 | void continue_command (char *, int); |
c906108c | 56 | |
11cf8741 JM |
57 | static void print_return_value (int struct_return, struct type *value_type); |
58 | ||
a14ed312 | 59 | static void finish_command_continuation (struct continuation_arg *); |
43ff13b4 | 60 | |
a14ed312 | 61 | static void until_next_command (int); |
c906108c | 62 | |
a14ed312 | 63 | static void until_command (char *, int); |
c906108c | 64 | |
a14ed312 | 65 | static void path_info (char *, int); |
c906108c | 66 | |
a14ed312 | 67 | static void path_command (char *, int); |
c906108c | 68 | |
a14ed312 | 69 | static void unset_command (char *, int); |
c906108c | 70 | |
a14ed312 | 71 | static void float_info (char *, int); |
c906108c | 72 | |
a14ed312 | 73 | static void detach_command (char *, int); |
c906108c | 74 | |
96baa820 JM |
75 | static void interrupt_target_command (char *args, int from_tty); |
76 | ||
a14ed312 | 77 | static void unset_environment_command (char *, int); |
c906108c | 78 | |
a14ed312 | 79 | static void set_environment_command (char *, int); |
c906108c | 80 | |
a14ed312 | 81 | static void environment_info (char *, int); |
c906108c | 82 | |
a14ed312 | 83 | static void program_info (char *, int); |
c906108c | 84 | |
a14ed312 | 85 | static void finish_command (char *, int); |
c906108c | 86 | |
a14ed312 | 87 | static void signal_command (char *, int); |
c906108c | 88 | |
a14ed312 | 89 | static void jump_command (char *, int); |
c906108c | 90 | |
a14ed312 | 91 | static void step_1 (int, int, char *); |
c2d11a7d JM |
92 | static void step_once (int skip_subroutines, int single_inst, int count); |
93 | static void step_1_continuation (struct continuation_arg *arg); | |
c906108c | 94 | |
a14ed312 | 95 | void nexti_command (char *, int); |
c906108c | 96 | |
a14ed312 | 97 | void stepi_command (char *, int); |
c906108c | 98 | |
a14ed312 | 99 | static void next_command (char *, int); |
c906108c | 100 | |
a14ed312 | 101 | static void step_command (char *, int); |
c906108c | 102 | |
a14ed312 | 103 | static void run_command (char *, int); |
c906108c | 104 | |
a14ed312 | 105 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 106 | |
a14ed312 | 107 | static void go_command (char *line_no, int from_tty); |
392a587b | 108 | |
a14ed312 | 109 | static int strip_bg_char (char **); |
43ff13b4 | 110 | |
a14ed312 | 111 | void _initialize_infcmd (void); |
c906108c SS |
112 | |
113 | #define GO_USAGE "Usage: go <location>\n" | |
114 | ||
a14ed312 | 115 | static void breakpoint_auto_delete_contents (PTR); |
c906108c SS |
116 | |
117 | #define ERROR_NO_INFERIOR \ | |
118 | if (!target_has_execution) error ("The program is not being run."); | |
119 | ||
120 | /* String containing arguments to give to the program, separated by spaces. | |
121 | Empty string (pointer to '\0') means no args. */ | |
122 | ||
123 | static char *inferior_args; | |
124 | ||
552c04a7 TT |
125 | /* The inferior arguments as a vector. If INFERIOR_ARGC is nonzero, |
126 | then we must compute INFERIOR_ARGS from this (via the target). */ | |
127 | ||
128 | static int inferior_argc; | |
129 | static char **inferior_argv; | |
130 | ||
c906108c SS |
131 | /* File name for default use for standard in/out in the inferior. */ |
132 | ||
133 | char *inferior_io_terminal; | |
134 | ||
135 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
136 | Since various parts of infrun.c test this to see whether there is a program | |
137 | being debugged it should be nonzero (currently 3 is used) for remote | |
138 | debugging. */ | |
139 | ||
39f77062 | 140 | ptid_t inferior_ptid; |
c906108c SS |
141 | |
142 | /* Last signal that the inferior received (why it stopped). */ | |
143 | ||
144 | enum target_signal stop_signal; | |
145 | ||
146 | /* Address at which inferior stopped. */ | |
147 | ||
148 | CORE_ADDR stop_pc; | |
149 | ||
150 | /* Chain containing status of breakpoint(s) that we have stopped at. */ | |
151 | ||
152 | bpstat stop_bpstat; | |
153 | ||
154 | /* Flag indicating that a command has proceeded the inferior past the | |
155 | current breakpoint. */ | |
156 | ||
157 | int breakpoint_proceeded; | |
158 | ||
159 | /* Nonzero if stopped due to a step command. */ | |
160 | ||
161 | int stop_step; | |
162 | ||
163 | /* Nonzero if stopped due to completion of a stack dummy routine. */ | |
164 | ||
165 | int stop_stack_dummy; | |
166 | ||
167 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
168 | process. */ | |
169 | ||
170 | int stopped_by_random_signal; | |
171 | ||
172 | /* Range to single step within. | |
173 | If this is nonzero, respond to a single-step signal | |
174 | by continuing to step if the pc is in this range. */ | |
175 | ||
c5aa993b JM |
176 | CORE_ADDR step_range_start; /* Inclusive */ |
177 | CORE_ADDR step_range_end; /* Exclusive */ | |
c906108c SS |
178 | |
179 | /* Stack frame address as of when stepping command was issued. | |
180 | This is how we know when we step into a subroutine call, | |
181 | and how to set the frame for the breakpoint used to step out. */ | |
182 | ||
183 | CORE_ADDR step_frame_address; | |
184 | ||
185 | /* Our notion of the current stack pointer. */ | |
186 | ||
187 | CORE_ADDR step_sp; | |
188 | ||
5fbbeb29 | 189 | enum step_over_calls_kind step_over_calls; |
c906108c SS |
190 | |
191 | /* If stepping, nonzero means step count is > 1 | |
192 | so don't print frame next time inferior stops | |
193 | if it stops due to stepping. */ | |
194 | ||
195 | int step_multi; | |
196 | ||
197 | /* Environment to use for running inferior, | |
198 | in format described in environ.h. */ | |
199 | ||
200 | struct environ *inferior_environ; | |
c906108c | 201 | \f |
07091751 FN |
202 | /* Accessor routines. */ |
203 | ||
204 | char * | |
205 | get_inferior_args (void) | |
206 | { | |
552c04a7 TT |
207 | if (inferior_argc != 0) |
208 | { | |
209 | char *n, *old; | |
210 | ||
211 | n = gdbarch_construct_inferior_arguments (current_gdbarch, | |
212 | inferior_argc, inferior_argv); | |
213 | old = set_inferior_args (n); | |
214 | xfree (old); | |
215 | } | |
216 | ||
217 | if (inferior_args == NULL) | |
218 | inferior_args = xstrdup (""); | |
219 | ||
07091751 FN |
220 | return inferior_args; |
221 | } | |
222 | ||
223 | char * | |
224 | set_inferior_args (char *newargs) | |
225 | { | |
226 | char *saved_args = inferior_args; | |
227 | ||
228 | inferior_args = newargs; | |
552c04a7 TT |
229 | inferior_argc = 0; |
230 | inferior_argv = 0; | |
07091751 FN |
231 | |
232 | return saved_args; | |
233 | } | |
c5aa993b | 234 | |
552c04a7 TT |
235 | void |
236 | set_inferior_args_vector (int argc, char **argv) | |
237 | { | |
238 | inferior_argc = argc; | |
239 | inferior_argv = argv; | |
240 | } | |
241 | ||
242 | /* Notice when `set args' is run. */ | |
243 | static void | |
244 | notice_args_set (char *args, int from_tty, struct cmd_list_element *c) | |
245 | { | |
246 | inferior_argc = 0; | |
247 | inferior_argv = 0; | |
248 | } | |
249 | ||
250 | /* Notice when `show args' is run. */ | |
251 | static void | |
9f60d481 | 252 | notice_args_read (char *args, int from_tty, struct cmd_list_element *c) |
552c04a7 TT |
253 | { |
254 | /* Might compute the value. */ | |
255 | get_inferior_args (); | |
256 | } | |
257 | ||
c2a727fa TT |
258 | \f |
259 | /* Compute command-line string given argument vector. This does the | |
260 | same shell processing as fork_inferior. */ | |
261 | /* ARGSUSED */ | |
262 | char * | |
263 | construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv) | |
264 | { | |
265 | char *result; | |
266 | ||
267 | if (STARTUP_WITH_SHELL) | |
268 | { | |
269 | /* This holds all the characters considered special to the | |
270 | typical Unix shells. We include `^' because the SunOS | |
271 | /bin/sh treats it as a synonym for `|'. */ | |
272 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
273 | int i; | |
274 | int length = 0; | |
275 | char *out, *cp; | |
276 | ||
277 | /* We over-compute the size. It shouldn't matter. */ | |
278 | for (i = 0; i < argc; ++i) | |
279 | length += 2 * strlen (argv[i]) + 1; | |
280 | ||
281 | result = (char *) xmalloc (length); | |
282 | out = result; | |
283 | ||
284 | for (i = 0; i < argc; ++i) | |
285 | { | |
286 | if (i > 0) | |
287 | *out++ = ' '; | |
288 | ||
289 | for (cp = argv[i]; *cp; ++cp) | |
290 | { | |
291 | if (strchr (special, *cp) != NULL) | |
292 | *out++ = '\\'; | |
293 | *out++ = *cp; | |
294 | } | |
295 | } | |
296 | *out = '\0'; | |
297 | } | |
298 | else | |
299 | { | |
300 | /* In this case we can't handle arguments that contain spaces, | |
301 | tabs, or newlines -- see breakup_args(). */ | |
302 | int i; | |
303 | int length = 0; | |
304 | ||
305 | for (i = 0; i < argc; ++i) | |
306 | { | |
307 | char *cp = strchr (argv[i], ' '); | |
308 | if (cp == NULL) | |
309 | cp = strchr (argv[i], '\t'); | |
310 | if (cp == NULL) | |
311 | cp = strchr (argv[i], '\n'); | |
312 | if (cp != NULL) | |
313 | error ("can't handle command-line argument containing whitespace"); | |
314 | length += strlen (argv[i]) + 1; | |
315 | } | |
316 | ||
317 | result = (char *) xmalloc (length); | |
318 | result[0] = '\0'; | |
319 | for (i = 0; i < argc; ++i) | |
320 | { | |
321 | if (i > 0) | |
322 | strcat (result, " "); | |
323 | strcat (result, argv[i]); | |
324 | } | |
325 | } | |
326 | ||
327 | return result; | |
328 | } | |
552c04a7 TT |
329 | \f |
330 | ||
43ff13b4 JM |
331 | /* This function detects whether or not a '&' character (indicating |
332 | background execution) has been added as *the last* of the arguments ARGS | |
333 | of a command. If it has, it removes it and returns 1. Otherwise it | |
334 | does nothing and returns 0. */ | |
c5aa993b | 335 | static int |
fba45db2 | 336 | strip_bg_char (char **args) |
43ff13b4 JM |
337 | { |
338 | char *p = NULL; | |
c5aa993b | 339 | |
9846de1b | 340 | p = strchr (*args, '&'); |
c5aa993b | 341 | |
9846de1b | 342 | if (p) |
43ff13b4 JM |
343 | { |
344 | if (p == (*args + strlen (*args) - 1)) | |
345 | { | |
c5aa993b | 346 | if (strlen (*args) > 1) |
43ff13b4 JM |
347 | { |
348 | do | |
349 | p--; | |
350 | while (*p == ' ' || *p == '\t'); | |
351 | *(p + 1) = '\0'; | |
352 | } | |
353 | else | |
354 | *args = 0; | |
355 | return 1; | |
356 | } | |
357 | } | |
358 | return 0; | |
359 | } | |
360 | ||
c906108c SS |
361 | /* ARGSUSED */ |
362 | void | |
fba45db2 | 363 | tty_command (char *file, int from_tty) |
c906108c SS |
364 | { |
365 | if (file == 0) | |
366 | error_no_arg ("terminal name for running target process"); | |
367 | ||
368 | inferior_io_terminal = savestring (file, strlen (file)); | |
369 | } | |
370 | ||
371 | static void | |
fba45db2 | 372 | run_command (char *args, int from_tty) |
c906108c SS |
373 | { |
374 | char *exec_file; | |
375 | ||
376 | dont_repeat (); | |
377 | ||
39f77062 | 378 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 379 | { |
adf40b2e JM |
380 | if (from_tty |
381 | && !query ("The program being debugged has been started already.\n\ | |
c906108c SS |
382 | Start it from the beginning? ")) |
383 | error ("Program not restarted."); | |
384 | target_kill (); | |
385 | #if defined(SOLIB_RESTART) | |
386 | SOLIB_RESTART (); | |
387 | #endif | |
388 | init_wait_for_inferior (); | |
389 | } | |
390 | ||
391 | clear_breakpoint_hit_counts (); | |
392 | ||
c906108c SS |
393 | /* Purge old solib objfiles. */ |
394 | objfile_purge_solibs (); | |
395 | ||
396 | do_run_cleanups (NULL); | |
397 | ||
39ad761d JB |
398 | /* The comment here used to read, "The exec file is re-read every |
399 | time we do a generic_mourn_inferior, so we just have to worry | |
400 | about the symbol file." The `generic_mourn_inferior' function | |
401 | gets called whenever the program exits. However, suppose the | |
402 | program exits, and *then* the executable file changes? We need | |
403 | to check again here. Since reopen_exec_file doesn't do anything | |
404 | if the timestamp hasn't changed, I don't see the harm. */ | |
405 | reopen_exec_file (); | |
c906108c SS |
406 | reread_symbols (); |
407 | ||
39ad761d JB |
408 | exec_file = (char *) get_exec_file (0); |
409 | ||
c906108c SS |
410 | /* We keep symbols from add-symbol-file, on the grounds that the |
411 | user might want to add some symbols before running the program | |
412 | (right?). But sometimes (dynamic loading where the user manually | |
413 | introduces the new symbols with add-symbol-file), the code which | |
414 | the symbols describe does not persist between runs. Currently | |
415 | the user has to manually nuke all symbols between runs if they | |
416 | want them to go away (PR 2207). This is probably reasonable. */ | |
417 | ||
43ff13b4 | 418 | if (!args) |
6426a772 JM |
419 | { |
420 | if (event_loop_p && target_can_async_p ()) | |
421 | async_disable_stdin (); | |
422 | } | |
43ff13b4 | 423 | else |
c906108c | 424 | { |
43ff13b4 JM |
425 | int async_exec = strip_bg_char (&args); |
426 | ||
427 | /* If we get a request for running in the bg but the target | |
428 | doesn't support it, error out. */ | |
6426a772 | 429 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
430 | error ("Asynchronous execution not supported on this target."); |
431 | ||
432 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 433 | to simulate synchronous (fg) execution. */ |
6426a772 | 434 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
435 | { |
436 | /* Simulate synchronous execution */ | |
6426a772 | 437 | async_disable_stdin (); |
43ff13b4 JM |
438 | } |
439 | ||
440 | /* If there were other args, beside '&', process them. */ | |
441 | if (args) | |
442 | { | |
07091751 FN |
443 | char *old_args = set_inferior_args (xstrdup (args)); |
444 | xfree (old_args); | |
43ff13b4 | 445 | } |
c906108c SS |
446 | } |
447 | ||
448 | if (from_tty) | |
449 | { | |
8b93c638 JM |
450 | ui_out_field_string (uiout, NULL, "Starting program"); |
451 | ui_out_text (uiout, ": "); | |
452 | if (exec_file) | |
453 | ui_out_field_string (uiout, "execfile", exec_file); | |
454 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
455 | /* We call get_inferior_args() because we might need to compute |
456 | the value now. */ | |
457 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
458 | ui_out_text (uiout, "\n"); |
459 | ui_out_flush (uiout); | |
c906108c SS |
460 | } |
461 | ||
552c04a7 TT |
462 | /* We call get_inferior_args() because we might need to compute |
463 | the value now. */ | |
464 | target_create_inferior (exec_file, get_inferior_args (), | |
c906108c SS |
465 | environ_vector (inferior_environ)); |
466 | } | |
467 | ||
468 | ||
469 | static void | |
fba45db2 | 470 | run_no_args_command (char *args, int from_tty) |
c906108c | 471 | { |
07091751 FN |
472 | char *old_args = set_inferior_args (xstrdup ("")); |
473 | xfree (old_args); | |
c906108c | 474 | } |
c906108c | 475 | \f |
c5aa993b | 476 | |
c906108c | 477 | void |
fba45db2 | 478 | continue_command (char *proc_count_exp, int from_tty) |
c906108c | 479 | { |
c5aa993b | 480 | int async_exec = 0; |
c906108c SS |
481 | ERROR_NO_INFERIOR; |
482 | ||
43ff13b4 JM |
483 | /* Find out whether we must run in the background. */ |
484 | if (proc_count_exp != NULL) | |
485 | async_exec = strip_bg_char (&proc_count_exp); | |
486 | ||
487 | /* If we must run in the background, but the target can't do it, | |
488 | error out. */ | |
6426a772 | 489 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
490 | error ("Asynchronous execution not supported on this target."); |
491 | ||
492 | /* If we are not asked to run in the bg, then prepare to run in the | |
493 | foreground, synchronously. */ | |
6426a772 | 494 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 495 | { |
43ff13b4 | 496 | /* Simulate synchronous execution */ |
6426a772 | 497 | async_disable_stdin (); |
43ff13b4 | 498 | } |
c906108c | 499 | |
43ff13b4 JM |
500 | /* If have argument (besides '&'), set proceed count of breakpoint |
501 | we stopped at. */ | |
c906108c SS |
502 | if (proc_count_exp != NULL) |
503 | { | |
504 | bpstat bs = stop_bpstat; | |
505 | int num = bpstat_num (&bs); | |
506 | if (num == 0 && from_tty) | |
507 | { | |
508 | printf_filtered | |
509 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
510 | } | |
511 | while (num != 0) | |
512 | { | |
513 | set_ignore_count (num, | |
bb518678 | 514 | parse_and_eval_long (proc_count_exp) - 1, |
c906108c SS |
515 | from_tty); |
516 | /* set_ignore_count prints a message ending with a period. | |
517 | So print two spaces before "Continuing.". */ | |
518 | if (from_tty) | |
519 | printf_filtered (" "); | |
520 | num = bpstat_num (&bs); | |
521 | } | |
522 | } | |
523 | ||
524 | if (from_tty) | |
525 | printf_filtered ("Continuing.\n"); | |
526 | ||
527 | clear_proceed_status (); | |
528 | ||
2acceee2 | 529 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c SS |
530 | } |
531 | \f | |
532 | /* Step until outside of current statement. */ | |
533 | ||
534 | /* ARGSUSED */ | |
535 | static void | |
fba45db2 | 536 | step_command (char *count_string, int from_tty) |
c906108c SS |
537 | { |
538 | step_1 (0, 0, count_string); | |
539 | } | |
540 | ||
541 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
542 | ||
543 | /* ARGSUSED */ | |
544 | static void | |
fba45db2 | 545 | next_command (char *count_string, int from_tty) |
c906108c SS |
546 | { |
547 | step_1 (1, 0, count_string); | |
548 | } | |
549 | ||
550 | /* Likewise, but step only one instruction. */ | |
551 | ||
552 | /* ARGSUSED */ | |
553 | void | |
fba45db2 | 554 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
555 | { |
556 | step_1 (0, 1, count_string); | |
557 | } | |
558 | ||
559 | /* ARGSUSED */ | |
560 | void | |
fba45db2 | 561 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
562 | { |
563 | step_1 (1, 1, count_string); | |
564 | } | |
565 | ||
74b7792f AC |
566 | static void |
567 | disable_longjmp_breakpoint_cleanup (void *ignore) | |
568 | { | |
569 | disable_longjmp_breakpoint (); | |
570 | } | |
571 | ||
c906108c | 572 | static void |
fba45db2 | 573 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c SS |
574 | { |
575 | register int count = 1; | |
576 | struct frame_info *frame; | |
577 | struct cleanup *cleanups = 0; | |
43ff13b4 | 578 | int async_exec = 0; |
c5aa993b | 579 | |
c906108c | 580 | ERROR_NO_INFERIOR; |
43ff13b4 JM |
581 | |
582 | if (count_string) | |
583 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 584 | |
43ff13b4 JM |
585 | /* If we get a request for running in the bg but the target |
586 | doesn't support it, error out. */ | |
6426a772 | 587 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
588 | error ("Asynchronous execution not supported on this target."); |
589 | ||
590 | /* If we don't get a request of running in the bg, then we need | |
591 | to simulate synchronous (fg) execution. */ | |
6426a772 | 592 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
593 | { |
594 | /* Simulate synchronous execution */ | |
6426a772 | 595 | async_disable_stdin (); |
43ff13b4 JM |
596 | } |
597 | ||
bb518678 | 598 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 599 | |
c5aa993b | 600 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 601 | { |
c5aa993b | 602 | enable_longjmp_breakpoint (); |
c2d11a7d | 603 | if (!event_loop_p || !target_can_async_p ()) |
74b7792f | 604 | cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d | 605 | else |
74b7792f | 606 | make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d JM |
607 | } |
608 | ||
609 | /* In synchronous case, all is well, just use the regular for loop. */ | |
610 | if (!event_loop_p || !target_can_async_p ()) | |
611 | { | |
612 | for (; count > 0; count--) | |
613 | { | |
614 | clear_proceed_status (); | |
615 | ||
616 | frame = get_current_frame (); | |
617 | if (!frame) /* Avoid coredump here. Why tho? */ | |
618 | error ("No current frame"); | |
619 | step_frame_address = FRAME_FP (frame); | |
620 | step_sp = read_sp (); | |
621 | ||
622 | if (!single_inst) | |
623 | { | |
624 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
625 | if (step_range_end == 0) | |
626 | { | |
627 | char *name; | |
628 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
629 | &step_range_end) == 0) | |
630 | error ("Cannot find bounds of current function"); | |
631 | ||
632 | target_terminal_ours (); | |
633 | printf_filtered ("\ | |
634 | Single stepping until exit from function %s, \n\ | |
635 | which has no line number information.\n", name); | |
636 | } | |
637 | } | |
638 | else | |
639 | { | |
640 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
641 | step_range_start = step_range_end = 1; | |
642 | if (!skip_subroutines) | |
643 | /* It is stepi. | |
644 | Don't step over function calls, not even to functions lacking | |
645 | line numbers. */ | |
5fbbeb29 | 646 | step_over_calls = STEP_OVER_NONE; |
c2d11a7d JM |
647 | } |
648 | ||
649 | if (skip_subroutines) | |
5fbbeb29 | 650 | step_over_calls = STEP_OVER_ALL; |
c2d11a7d JM |
651 | |
652 | step_multi = (count > 1); | |
653 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
654 | ||
655 | if (!stop_step) | |
656 | break; | |
657 | ||
658 | /* FIXME: On nexti, this may have already been done (when we hit the | |
659 | step resume break, I think). Probably this should be moved to | |
660 | wait_for_inferior (near the top). */ | |
661 | #if defined (SHIFT_INST_REGS) | |
662 | SHIFT_INST_REGS (); | |
663 | #endif | |
664 | } | |
665 | ||
666 | if (!single_inst || skip_subroutines) | |
667 | do_cleanups (cleanups); | |
668 | return; | |
669 | } | |
670 | /* In case of asynchronous target things get complicated, do only | |
671 | one step for now, before returning control to the event loop. Let | |
672 | the continuation figure out how many other steps we need to do, | |
673 | and handle them one at the time, through step_once(). */ | |
674 | else | |
675 | { | |
676 | if (event_loop_p && target_can_async_p ()) | |
677 | step_once (skip_subroutines, single_inst, count); | |
c906108c | 678 | } |
c2d11a7d | 679 | } |
c906108c | 680 | |
c2d11a7d JM |
681 | /* Called after we are done with one step operation, to check whether |
682 | we need to step again, before we print the prompt and return control | |
683 | to the user. If count is > 1, we will need to do one more call to | |
684 | proceed(), via step_once(). Basically it is like step_once and | |
685 | step_1_continuation are co-recursive. */ | |
686 | static void | |
fba45db2 | 687 | step_1_continuation (struct continuation_arg *arg) |
c2d11a7d | 688 | { |
57e687d9 MS |
689 | int count; |
690 | int skip_subroutines; | |
691 | int single_inst; | |
692 | ||
693 | skip_subroutines = arg->data.integer; | |
694 | single_inst = arg->next->data.integer; | |
695 | count = arg->next->next->data.integer; | |
696 | ||
697 | if (stop_step) | |
698 | { | |
699 | /* FIXME: On nexti, this may have already been done (when we hit the | |
700 | step resume break, I think). Probably this should be moved to | |
701 | wait_for_inferior (near the top). */ | |
c2d11a7d | 702 | #if defined (SHIFT_INST_REGS) |
57e687d9 | 703 | SHIFT_INST_REGS (); |
c2d11a7d | 704 | #endif |
57e687d9 MS |
705 | step_once (skip_subroutines, single_inst, count - 1); |
706 | } | |
707 | else | |
708 | if (!single_inst || skip_subroutines) | |
709 | do_exec_cleanups (ALL_CLEANUPS); | |
c2d11a7d JM |
710 | } |
711 | ||
712 | /* Do just one step operation. If count >1 we will have to set up a | |
713 | continuation to be done after the target stops (after this one | |
714 | step). This is useful to implement the 'step n' kind of commands, in | |
715 | case of asynchronous targets. We had to split step_1 into two parts, | |
716 | one to be done before proceed() and one afterwards. This function is | |
717 | called in case of step n with n>1, after the first step operation has | |
718 | been completed.*/ | |
719 | static void | |
0d06e24b | 720 | step_once (int skip_subroutines, int single_inst, int count) |
c2d11a7d | 721 | { |
0d06e24b JM |
722 | struct continuation_arg *arg1; |
723 | struct continuation_arg *arg2; | |
724 | struct continuation_arg *arg3; | |
725 | struct frame_info *frame; | |
c2d11a7d JM |
726 | |
727 | if (count > 0) | |
c906108c SS |
728 | { |
729 | clear_proceed_status (); | |
730 | ||
731 | frame = get_current_frame (); | |
c5aa993b | 732 | if (!frame) /* Avoid coredump here. Why tho? */ |
c906108c SS |
733 | error ("No current frame"); |
734 | step_frame_address = FRAME_FP (frame); | |
735 | step_sp = read_sp (); | |
736 | ||
c5aa993b | 737 | if (!single_inst) |
c906108c SS |
738 | { |
739 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
5fbbeb29 CF |
740 | |
741 | /* If we have no line info, switch to stepi mode. */ | |
742 | if (step_range_end == 0 && step_stop_if_no_debug) | |
743 | { | |
744 | step_range_start = step_range_end = 1; | |
745 | } | |
746 | else if (step_range_end == 0) | |
c906108c SS |
747 | { |
748 | char *name; | |
749 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
750 | &step_range_end) == 0) | |
751 | error ("Cannot find bounds of current function"); | |
752 | ||
753 | target_terminal_ours (); | |
754 | printf_filtered ("\ | |
755 | Single stepping until exit from function %s, \n\ | |
756 | which has no line number information.\n", name); | |
757 | } | |
758 | } | |
759 | else | |
760 | { | |
761 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
762 | step_range_start = step_range_end = 1; | |
763 | if (!skip_subroutines) | |
764 | /* It is stepi. | |
765 | Don't step over function calls, not even to functions lacking | |
766 | line numbers. */ | |
5fbbeb29 | 767 | step_over_calls = STEP_OVER_NONE; |
c906108c SS |
768 | } |
769 | ||
770 | if (skip_subroutines) | |
5fbbeb29 | 771 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
772 | |
773 | step_multi = (count > 1); | |
c2d11a7d JM |
774 | arg1 = |
775 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
776 | arg2 = | |
777 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
778 | arg3 = | |
779 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
780 | arg1->next = arg2; | |
57e687d9 | 781 | arg1->data.integer = skip_subroutines; |
c2d11a7d | 782 | arg2->next = arg3; |
57e687d9 | 783 | arg2->data.integer = single_inst; |
c2d11a7d | 784 | arg3->next = NULL; |
57e687d9 | 785 | arg3->data.integer = count; |
c2d11a7d | 786 | add_intermediate_continuation (step_1_continuation, arg1); |
2acceee2 | 787 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c | 788 | } |
c906108c | 789 | } |
c2d11a7d | 790 | |
c906108c SS |
791 | \f |
792 | /* Continue program at specified address. */ | |
793 | ||
794 | static void | |
fba45db2 | 795 | jump_command (char *arg, int from_tty) |
c906108c SS |
796 | { |
797 | register CORE_ADDR addr; | |
798 | struct symtabs_and_lines sals; | |
799 | struct symtab_and_line sal; | |
800 | struct symbol *fn; | |
801 | struct symbol *sfn; | |
43ff13b4 | 802 | int async_exec = 0; |
c5aa993b | 803 | |
c906108c SS |
804 | ERROR_NO_INFERIOR; |
805 | ||
43ff13b4 JM |
806 | /* Find out whether we must run in the background. */ |
807 | if (arg != NULL) | |
808 | async_exec = strip_bg_char (&arg); | |
809 | ||
810 | /* If we must run in the background, but the target can't do it, | |
811 | error out. */ | |
6426a772 | 812 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
813 | error ("Asynchronous execution not supported on this target."); |
814 | ||
815 | /* If we are not asked to run in the bg, then prepare to run in the | |
816 | foreground, synchronously. */ | |
6426a772 | 817 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 818 | { |
43ff13b4 | 819 | /* Simulate synchronous execution */ |
6426a772 | 820 | async_disable_stdin (); |
43ff13b4 JM |
821 | } |
822 | ||
c906108c SS |
823 | if (!arg) |
824 | error_no_arg ("starting address"); | |
825 | ||
826 | sals = decode_line_spec_1 (arg, 1); | |
827 | if (sals.nelts != 1) | |
828 | { | |
829 | error ("Unreasonable jump request"); | |
830 | } | |
831 | ||
832 | sal = sals.sals[0]; | |
b8c9b27d | 833 | xfree (sals.sals); |
c906108c SS |
834 | |
835 | if (sal.symtab == 0 && sal.pc == 0) | |
836 | error ("No source file has been specified."); | |
837 | ||
c5aa993b | 838 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
839 | |
840 | /* See if we are trying to jump to another function. */ | |
841 | fn = get_frame_function (get_current_frame ()); | |
842 | sfn = find_pc_function (sal.pc); | |
843 | if (fn != NULL && sfn != fn) | |
844 | { | |
845 | if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line, | |
846 | SYMBOL_SOURCE_NAME (fn))) | |
847 | { | |
848 | error ("Not confirmed."); | |
849 | /* NOTREACHED */ | |
850 | } | |
851 | } | |
852 | ||
c5aa993b | 853 | if (sfn != NULL) |
c906108c SS |
854 | { |
855 | fixup_symbol_section (sfn, 0); | |
c5aa993b | 856 | if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) && |
c906108c SS |
857 | !section_is_mapped (SYMBOL_BFD_SECTION (sfn))) |
858 | { | |
859 | if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? ")) | |
860 | { | |
861 | error ("Not confirmed."); | |
862 | /* NOTREACHED */ | |
863 | } | |
864 | } | |
865 | } | |
866 | ||
c906108c SS |
867 | addr = sal.pc; |
868 | ||
869 | if (from_tty) | |
870 | { | |
871 | printf_filtered ("Continuing at "); | |
872 | print_address_numeric (addr, 1, gdb_stdout); | |
873 | printf_filtered (".\n"); | |
874 | } | |
875 | ||
876 | clear_proceed_status (); | |
877 | proceed (addr, TARGET_SIGNAL_0, 0); | |
878 | } | |
c906108c | 879 | \f |
c5aa993b | 880 | |
c906108c SS |
881 | /* Go to line or address in current procedure */ |
882 | static void | |
fba45db2 | 883 | go_command (char *line_no, int from_tty) |
c906108c | 884 | { |
c5aa993b | 885 | if (line_no == (char *) NULL || !*line_no) |
b83266a0 | 886 | printf_filtered (GO_USAGE); |
c906108c SS |
887 | else |
888 | { | |
b83266a0 SS |
889 | tbreak_command (line_no, from_tty); |
890 | jump_command (line_no, from_tty); | |
c906108c SS |
891 | } |
892 | } | |
c906108c | 893 | \f |
c5aa993b | 894 | |
c906108c SS |
895 | /* Continue program giving it specified signal. */ |
896 | ||
897 | static void | |
fba45db2 | 898 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
899 | { |
900 | enum target_signal oursig; | |
901 | ||
902 | dont_repeat (); /* Too dangerous. */ | |
903 | ERROR_NO_INFERIOR; | |
904 | ||
905 | if (!signum_exp) | |
906 | error_no_arg ("signal number"); | |
907 | ||
908 | /* It would be even slicker to make signal names be valid expressions, | |
909 | (the type could be "enum $signal" or some such), then the user could | |
910 | assign them to convenience variables. */ | |
911 | oursig = target_signal_from_name (signum_exp); | |
912 | ||
913 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
914 | { | |
915 | /* No, try numeric. */ | |
bb518678 | 916 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
917 | |
918 | if (num == 0) | |
919 | oursig = TARGET_SIGNAL_0; | |
920 | else | |
921 | oursig = target_signal_from_command (num); | |
922 | } | |
923 | ||
924 | if (from_tty) | |
925 | { | |
926 | if (oursig == TARGET_SIGNAL_0) | |
927 | printf_filtered ("Continuing with no signal.\n"); | |
928 | else | |
929 | printf_filtered ("Continuing with signal %s.\n", | |
930 | target_signal_to_name (oursig)); | |
931 | } | |
932 | ||
933 | clear_proceed_status (); | |
934 | /* "signal 0" should not get stuck if we are stopped at a breakpoint. | |
935 | FIXME: Neither should "signal foo" but when I tried passing | |
936 | (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't | |
937 | tried to track down yet. */ | |
2acceee2 | 938 | proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0); |
c906108c SS |
939 | } |
940 | ||
941 | /* Call breakpoint_auto_delete on the current contents of the bpstat | |
942 | pointed to by arg (which is really a bpstat *). */ | |
943 | ||
c906108c | 944 | static void |
fba45db2 | 945 | breakpoint_auto_delete_contents (PTR arg) |
c906108c | 946 | { |
c5aa993b | 947 | breakpoint_auto_delete (*(bpstat *) arg); |
c906108c SS |
948 | } |
949 | ||
c906108c SS |
950 | |
951 | /* Execute a "stack dummy", a piece of code stored in the stack | |
952 | by the debugger to be executed in the inferior. | |
953 | ||
954 | To call: first, do PUSH_DUMMY_FRAME. | |
955 | Then push the contents of the dummy. It should end with a breakpoint insn. | |
956 | Then call here, passing address at which to start the dummy. | |
957 | ||
958 | The contents of all registers are saved before the dummy frame is popped | |
959 | and copied into the buffer BUFFER. | |
960 | ||
961 | The dummy's frame is automatically popped whenever that break is hit. | |
962 | If that is the first time the program stops, run_stack_dummy | |
963 | returns to its caller with that frame already gone and returns 0. | |
da59e081 JM |
964 | |
965 | Otherwise, run_stack-dummy returns a non-zero value. | |
966 | If the called function receives a random signal, we do not allow the user | |
967 | to continue executing it as this may not work. The dummy frame is poped | |
968 | and we return 1. | |
969 | If we hit a breakpoint, we leave the frame in place and return 2 (the frame | |
970 | will eventually be popped when we do hit the dummy end breakpoint). */ | |
c906108c | 971 | |
c906108c | 972 | int |
36160dc4 | 973 | run_stack_dummy (CORE_ADDR addr, struct regcache *buffer) |
c906108c SS |
974 | { |
975 | struct cleanup *old_cleanups = make_cleanup (null_cleanup, 0); | |
ed9a39eb | 976 | int saved_async = 0; |
c906108c SS |
977 | |
978 | /* Now proceed, having reached the desired place. */ | |
979 | clear_proceed_status (); | |
96baa820 | 980 | |
7a292a7a SS |
981 | if (CALL_DUMMY_BREAKPOINT_OFFSET_P) |
982 | { | |
983 | struct breakpoint *bpt; | |
984 | struct symtab_and_line sal; | |
c5aa993b JM |
985 | |
986 | INIT_SAL (&sal); /* initialize to zeroes */ | |
7a292a7a SS |
987 | if (CALL_DUMMY_LOCATION == AT_ENTRY_POINT) |
988 | { | |
989 | sal.pc = CALL_DUMMY_ADDRESS (); | |
990 | } | |
991 | else | |
992 | { | |
993 | sal.pc = addr - CALL_DUMMY_START_OFFSET + CALL_DUMMY_BREAKPOINT_OFFSET; | |
994 | } | |
995 | sal.section = find_pc_overlay (sal.pc); | |
c5aa993b | 996 | |
7a292a7a | 997 | /* Set up a FRAME for the dummy frame so we can pass it to |
c5aa993b JM |
998 | set_momentary_breakpoint. We need to give the breakpoint a |
999 | frame in case there is only one copy of the dummy (e.g. | |
1000 | CALL_DUMMY_LOCATION == AFTER_TEXT_END). */ | |
7a292a7a SS |
1001 | flush_cached_frames (); |
1002 | set_current_frame (create_new_frame (read_fp (), sal.pc)); | |
c5aa993b | 1003 | |
7a292a7a | 1004 | /* If defined, CALL_DUMMY_BREAKPOINT_OFFSET is where we need to put |
c5aa993b JM |
1005 | a breakpoint instruction. If not, the call dummy already has the |
1006 | breakpoint instruction in it. | |
1007 | ||
1008 | addr is the address of the call dummy plus the CALL_DUMMY_START_OFFSET, | |
1009 | so we need to subtract the CALL_DUMMY_START_OFFSET. */ | |
7a292a7a SS |
1010 | bpt = set_momentary_breakpoint (sal, |
1011 | get_current_frame (), | |
1012 | bp_call_dummy); | |
b5de0fa7 | 1013 | bpt->disposition = disp_del; |
c5aa993b | 1014 | |
7a292a7a | 1015 | /* If all error()s out of proceed ended up calling normal_stop (and |
c5aa993b JM |
1016 | perhaps they should; it already does in the special case of error |
1017 | out of resume()), then we wouldn't need this. */ | |
7a292a7a SS |
1018 | make_cleanup (breakpoint_auto_delete_contents, &stop_bpstat); |
1019 | } | |
c906108c SS |
1020 | |
1021 | disable_watchpoints_before_interactive_call_start (); | |
1022 | proceed_to_finish = 1; /* We want stop_registers, please... */ | |
ed9a39eb JM |
1023 | |
1024 | if (target_can_async_p ()) | |
1025 | saved_async = target_async_mask (0); | |
1026 | ||
c906108c | 1027 | proceed (addr, TARGET_SIGNAL_0, 0); |
ed9a39eb JM |
1028 | |
1029 | if (saved_async) | |
1030 | target_async_mask (saved_async); | |
1031 | ||
c906108c SS |
1032 | enable_watchpoints_after_interactive_call_stop (); |
1033 | ||
1034 | discard_cleanups (old_cleanups); | |
1035 | ||
242bfc55 | 1036 | /* We can stop during an inferior call because a signal is received. */ |
da59e081 | 1037 | if (stopped_by_random_signal) |
242bfc55 | 1038 | return 1; |
da59e081 JM |
1039 | |
1040 | /* We may also stop prematurely because we hit a breakpoint in the | |
242bfc55 | 1041 | called routine. */ |
c906108c | 1042 | if (!stop_stack_dummy) |
da59e081 | 1043 | return 2; |
c906108c | 1044 | |
da59e081 | 1045 | /* On normal return, the stack dummy has been popped already. */ |
36160dc4 | 1046 | regcache_cpy_no_passthrough (buffer, stop_registers); |
c906108c SS |
1047 | return 0; |
1048 | } | |
1049 | \f | |
1050 | /* Proceed until we reach a different source line with pc greater than | |
1051 | our current one or exit the function. We skip calls in both cases. | |
1052 | ||
1053 | Note that eventually this command should probably be changed so | |
1054 | that only source lines are printed out when we hit the breakpoint | |
1055 | we set. This may involve changes to wait_for_inferior and the | |
1056 | proceed status code. */ | |
1057 | ||
1058 | /* ARGSUSED */ | |
1059 | static void | |
fba45db2 | 1060 | until_next_command (int from_tty) |
c906108c SS |
1061 | { |
1062 | struct frame_info *frame; | |
1063 | CORE_ADDR pc; | |
1064 | struct symbol *func; | |
1065 | struct symtab_and_line sal; | |
c5aa993b | 1066 | |
c906108c SS |
1067 | clear_proceed_status (); |
1068 | ||
1069 | frame = get_current_frame (); | |
1070 | ||
1071 | /* Step until either exited from this function or greater | |
1072 | than the current line (if in symbolic section) or pc (if | |
1073 | not). */ | |
1074 | ||
1075 | pc = read_pc (); | |
1076 | func = find_pc_function (pc); | |
c5aa993b | 1077 | |
c906108c SS |
1078 | if (!func) |
1079 | { | |
1080 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 1081 | |
c906108c SS |
1082 | if (msymbol == NULL) |
1083 | error ("Execution is not within a known function."); | |
c5aa993b | 1084 | |
c906108c SS |
1085 | step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
1086 | step_range_end = pc; | |
1087 | } | |
1088 | else | |
1089 | { | |
1090 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1091 | |
c906108c SS |
1092 | step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1093 | step_range_end = sal.end; | |
1094 | } | |
c5aa993b | 1095 | |
5fbbeb29 | 1096 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
1097 | step_frame_address = FRAME_FP (frame); |
1098 | step_sp = read_sp (); | |
1099 | ||
1100 | step_multi = 0; /* Only one call to proceed */ | |
c5aa993b | 1101 | |
2acceee2 | 1102 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
1103 | } |
1104 | ||
c5aa993b | 1105 | static void |
fba45db2 | 1106 | until_command (char *arg, int from_tty) |
c906108c | 1107 | { |
43ff13b4 JM |
1108 | int async_exec = 0; |
1109 | ||
c906108c SS |
1110 | if (!target_has_execution) |
1111 | error ("The program is not running."); | |
43ff13b4 JM |
1112 | |
1113 | /* Find out whether we must run in the background. */ | |
1114 | if (arg != NULL) | |
1115 | async_exec = strip_bg_char (&arg); | |
1116 | ||
1117 | /* If we must run in the background, but the target can't do it, | |
1118 | error out. */ | |
6426a772 | 1119 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1120 | error ("Asynchronous execution not supported on this target."); |
1121 | ||
1122 | /* If we are not asked to run in the bg, then prepare to run in the | |
1123 | foreground, synchronously. */ | |
6426a772 | 1124 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1125 | { |
43ff13b4 | 1126 | /* Simulate synchronous execution */ |
6426a772 | 1127 | async_disable_stdin (); |
43ff13b4 JM |
1128 | } |
1129 | ||
c906108c SS |
1130 | if (arg) |
1131 | until_break_command (arg, from_tty); | |
1132 | else | |
1133 | until_next_command (from_tty); | |
1134 | } | |
1135 | \f | |
43ff13b4 | 1136 | |
11cf8741 JM |
1137 | /* Print the result of a function at the end of a 'finish' command. */ |
1138 | static void | |
1139 | print_return_value (int structure_return, struct type *value_type) | |
1140 | { | |
3d6d86c6 | 1141 | struct value *value; |
8b93c638 | 1142 | static struct ui_stream *stb = NULL; |
11cf8741 JM |
1143 | |
1144 | if (!structure_return) | |
1145 | { | |
1146 | value = value_being_returned (value_type, stop_registers, structure_return); | |
8b93c638 JM |
1147 | stb = ui_out_stream_new (uiout); |
1148 | ui_out_text (uiout, "Value returned is "); | |
1149 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value)); | |
9549d9c1 | 1150 | ui_out_text (uiout, " = "); |
8b93c638 JM |
1151 | value_print (value, stb->stream, 0, Val_no_prettyprint); |
1152 | ui_out_field_stream (uiout, "return-value", stb); | |
1153 | ui_out_text (uiout, "\n"); | |
11cf8741 JM |
1154 | } |
1155 | else | |
1156 | { | |
1157 | /* We cannot determine the contents of the structure because | |
1158 | it is on the stack, and we don't know where, since we did not | |
1159 | initiate the call, as opposed to the call_function_by_hand case */ | |
1160 | #ifdef VALUE_RETURNED_FROM_STACK | |
1161 | value = 0; | |
8b93c638 JM |
1162 | ui_out_text (uiout, "Value returned has type: "); |
1163 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); | |
1164 | ui_out_text (uiout, "."); | |
1165 | ui_out_text (uiout, " Cannot determine contents\n"); | |
11cf8741 JM |
1166 | #else |
1167 | value = value_being_returned (value_type, stop_registers, structure_return); | |
8b93c638 JM |
1168 | stb = ui_out_stream_new (uiout); |
1169 | ui_out_text (uiout, "Value returned is "); | |
1170 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", record_latest_value (value)); | |
28ae27b1 | 1171 | ui_out_text (uiout, " = "); |
8b93c638 JM |
1172 | value_print (value, stb->stream, 0, Val_no_prettyprint); |
1173 | ui_out_field_stream (uiout, "return-value", stb); | |
1174 | ui_out_text (uiout, "\n"); | |
11cf8741 JM |
1175 | #endif |
1176 | } | |
1177 | } | |
1178 | ||
43ff13b4 JM |
1179 | /* Stuff that needs to be done by the finish command after the target |
1180 | has stopped. In asynchronous mode, we wait for the target to stop in | |
1181 | the call to poll or select in the event loop, so it is impossible to | |
1182 | do all the stuff as part of the finish_command function itself. The | |
1183 | only chance we have to complete this command is in | |
1184 | fetch_inferior_event, which is called by the event loop as soon as it | |
1185 | detects that the target has stopped. This function is called via the | |
6953f3ba | 1186 | cmd_continuation pointer. */ |
43ff13b4 | 1187 | void |
fba45db2 | 1188 | finish_command_continuation (struct continuation_arg *arg) |
43ff13b4 JM |
1189 | { |
1190 | register struct symbol *function; | |
1191 | struct breakpoint *breakpoint; | |
0d06e24b | 1192 | struct cleanup *cleanups; |
c5aa993b | 1193 | |
57e687d9 MS |
1194 | breakpoint = (struct breakpoint *) arg->data.pointer; |
1195 | function = (struct symbol *) arg->next->data.pointer; | |
1196 | cleanups = (struct cleanup *) arg->next->next->data.pointer; | |
43ff13b4 | 1197 | |
c5aa993b | 1198 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
43ff13b4 JM |
1199 | && function != 0) |
1200 | { | |
1201 | struct type *value_type; | |
43ff13b4 JM |
1202 | CORE_ADDR funcaddr; |
1203 | int struct_return; | |
1204 | ||
1205 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1206 | if (!value_type) | |
8e65ff28 AC |
1207 | internal_error (__FILE__, __LINE__, |
1208 | "finish_command: function has no target type"); | |
c5aa993b | 1209 | |
43ff13b4 JM |
1210 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1211 | { | |
0d06e24b | 1212 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1213 | return; |
1214 | } | |
1215 | ||
1216 | funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); | |
1217 | ||
1218 | struct_return = using_struct_return (value_of_variable (function, NULL), | |
c5aa993b JM |
1219 | funcaddr, |
1220 | check_typedef (value_type), | |
11cf8741 | 1221 | BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))); |
43ff13b4 | 1222 | |
11cf8741 | 1223 | print_return_value (struct_return, value_type); |
43ff13b4 | 1224 | } |
0d06e24b | 1225 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1226 | } |
1227 | ||
c906108c SS |
1228 | /* "finish": Set a temporary breakpoint at the place |
1229 | the selected frame will return to, then continue. */ | |
1230 | ||
1231 | static void | |
fba45db2 | 1232 | finish_command (char *arg, int from_tty) |
c906108c SS |
1233 | { |
1234 | struct symtab_and_line sal; | |
1235 | register struct frame_info *frame; | |
1236 | register struct symbol *function; | |
1237 | struct breakpoint *breakpoint; | |
1238 | struct cleanup *old_chain; | |
0d06e24b | 1239 | struct continuation_arg *arg1, *arg2, *arg3; |
43ff13b4 JM |
1240 | |
1241 | int async_exec = 0; | |
1242 | ||
1243 | /* Find out whether we must run in the background. */ | |
1244 | if (arg != NULL) | |
1245 | async_exec = strip_bg_char (&arg); | |
1246 | ||
1247 | /* If we must run in the background, but the target can't do it, | |
1248 | error out. */ | |
6426a772 | 1249 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1250 | error ("Asynchronous execution not supported on this target."); |
1251 | ||
1252 | /* If we are not asked to run in the bg, then prepare to run in the | |
1253 | foreground, synchronously. */ | |
6426a772 | 1254 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1255 | { |
43ff13b4 | 1256 | /* Simulate synchronous execution */ |
6426a772 | 1257 | async_disable_stdin (); |
43ff13b4 | 1258 | } |
c906108c SS |
1259 | |
1260 | if (arg) | |
1261 | error ("The \"finish\" command does not take any arguments."); | |
1262 | if (!target_has_execution) | |
1263 | error ("The program is not running."); | |
1264 | if (selected_frame == NULL) | |
1265 | error ("No selected frame."); | |
1266 | ||
1267 | frame = get_prev_frame (selected_frame); | |
1268 | if (frame == 0) | |
1269 | error ("\"finish\" not meaningful in the outermost frame."); | |
1270 | ||
1271 | clear_proceed_status (); | |
1272 | ||
1273 | sal = find_pc_line (frame->pc, 0); | |
1274 | sal.pc = frame->pc; | |
1275 | ||
1276 | breakpoint = set_momentary_breakpoint (sal, frame, bp_finish); | |
1277 | ||
6426a772 | 1278 | if (!event_loop_p || !target_can_async_p ()) |
4d6140d9 | 1279 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
43ff13b4 | 1280 | else |
4d6140d9 | 1281 | old_chain = make_exec_cleanup_delete_breakpoint (breakpoint); |
c906108c SS |
1282 | |
1283 | /* Find the function we will return from. */ | |
1284 | ||
1285 | function = find_pc_function (selected_frame->pc); | |
1286 | ||
1287 | /* Print info on the selected frame, including level number | |
1288 | but not source. */ | |
1289 | if (from_tty) | |
1290 | { | |
1291 | printf_filtered ("Run till exit from "); | |
b31da25e AC |
1292 | print_stack_frame (selected_frame, |
1293 | frame_relative_level (selected_frame), 0); | |
c906108c SS |
1294 | } |
1295 | ||
43ff13b4 JM |
1296 | /* If running asynchronously and the target support asynchronous |
1297 | execution, set things up for the rest of the finish command to be | |
1298 | completed later on, when gdb has detected that the target has | |
1299 | stopped, in fetch_inferior_event. */ | |
6426a772 | 1300 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1301 | { |
c5aa993b | 1302 | arg1 = |
43ff13b4 | 1303 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
c5aa993b | 1304 | arg2 = |
43ff13b4 | 1305 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
0d06e24b JM |
1306 | arg3 = |
1307 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
43ff13b4 | 1308 | arg1->next = arg2; |
0d06e24b JM |
1309 | arg2->next = arg3; |
1310 | arg3->next = NULL; | |
57e687d9 MS |
1311 | arg1->data.pointer = breakpoint; |
1312 | arg2->data.pointer = function; | |
1313 | arg3->data.pointer = old_chain; | |
43ff13b4 JM |
1314 | add_continuation (finish_command_continuation, arg1); |
1315 | } | |
1316 | ||
c5aa993b | 1317 | proceed_to_finish = 1; /* We want stop_registers, please... */ |
2acceee2 | 1318 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c | 1319 | |
43ff13b4 JM |
1320 | /* Do this only if not running asynchronously or if the target |
1321 | cannot do async execution. Otherwise, complete this command when | |
c5aa993b | 1322 | the target actually stops, in fetch_inferior_event. */ |
6426a772 | 1323 | if (!event_loop_p || !target_can_async_p ()) |
c5aa993b JM |
1324 | { |
1325 | ||
1326 | /* Did we stop at our breakpoint? */ | |
1327 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL | |
1328 | && function != 0) | |
1329 | { | |
1330 | struct type *value_type; | |
c5aa993b JM |
1331 | CORE_ADDR funcaddr; |
1332 | int struct_return; | |
1333 | ||
1334 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1335 | if (!value_type) | |
8e65ff28 AC |
1336 | internal_error (__FILE__, __LINE__, |
1337 | "finish_command: function has no target type"); | |
c5aa993b JM |
1338 | |
1339 | /* FIXME: Shouldn't we do the cleanups before returning? */ | |
1340 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) | |
1341 | return; | |
1342 | ||
1343 | funcaddr = BLOCK_START (SYMBOL_BLOCK_VALUE (function)); | |
1344 | ||
1345 | struct_return = | |
1346 | using_struct_return (value_of_variable (function, NULL), | |
1347 | funcaddr, | |
1348 | check_typedef (value_type), | |
1349 | BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function))); | |
1350 | ||
11cf8741 | 1351 | print_return_value (struct_return, value_type); |
c5aa993b JM |
1352 | } |
1353 | do_cleanups (old_chain); | |
1354 | } | |
c906108c SS |
1355 | } |
1356 | \f | |
1357 | /* ARGSUSED */ | |
1358 | static void | |
fba45db2 | 1359 | program_info (char *args, int from_tty) |
c906108c SS |
1360 | { |
1361 | bpstat bs = stop_bpstat; | |
1362 | int num = bpstat_num (&bs); | |
c5aa993b | 1363 | |
c906108c SS |
1364 | if (!target_has_execution) |
1365 | { | |
1366 | printf_filtered ("The program being debugged is not being run.\n"); | |
1367 | return; | |
1368 | } | |
1369 | ||
1370 | target_files_info (); | |
1371 | printf_filtered ("Program stopped at %s.\n", | |
c5aa993b | 1372 | local_hex_string ((unsigned long) stop_pc)); |
c906108c SS |
1373 | if (stop_step) |
1374 | printf_filtered ("It stopped after being stepped.\n"); | |
1375 | else if (num != 0) | |
1376 | { | |
1377 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1378 | isn't as strange as it seems. */ |
c906108c SS |
1379 | while (num != 0) |
1380 | { | |
1381 | if (num < 0) | |
1382 | { | |
1383 | printf_filtered ("It stopped at a breakpoint that has "); | |
1384 | printf_filtered ("since been deleted.\n"); | |
1385 | } | |
1386 | else | |
1387 | printf_filtered ("It stopped at breakpoint %d.\n", num); | |
1388 | num = bpstat_num (&bs); | |
1389 | } | |
1390 | } | |
1391 | else if (stop_signal != TARGET_SIGNAL_0) | |
1392 | { | |
1393 | printf_filtered ("It stopped with signal %s, %s.\n", | |
1394 | target_signal_to_name (stop_signal), | |
1395 | target_signal_to_string (stop_signal)); | |
1396 | } | |
1397 | ||
1398 | if (!from_tty) | |
1399 | { | |
1400 | printf_filtered ("Type \"info stack\" or \"info registers\" "); | |
1401 | printf_filtered ("for more information.\n"); | |
1402 | } | |
1403 | } | |
1404 | \f | |
1405 | static void | |
fba45db2 | 1406 | environment_info (char *var, int from_tty) |
c906108c SS |
1407 | { |
1408 | if (var) | |
1409 | { | |
1410 | register char *val = get_in_environ (inferior_environ, var); | |
1411 | if (val) | |
1412 | { | |
1413 | puts_filtered (var); | |
1414 | puts_filtered (" = "); | |
1415 | puts_filtered (val); | |
1416 | puts_filtered ("\n"); | |
1417 | } | |
1418 | else | |
1419 | { | |
1420 | puts_filtered ("Environment variable \""); | |
1421 | puts_filtered (var); | |
1422 | puts_filtered ("\" not defined.\n"); | |
1423 | } | |
1424 | } | |
1425 | else | |
1426 | { | |
1427 | register char **vector = environ_vector (inferior_environ); | |
1428 | while (*vector) | |
1429 | { | |
1430 | puts_filtered (*vector++); | |
1431 | puts_filtered ("\n"); | |
1432 | } | |
1433 | } | |
1434 | } | |
1435 | ||
1436 | static void | |
fba45db2 | 1437 | set_environment_command (char *arg, int from_tty) |
c906108c SS |
1438 | { |
1439 | register char *p, *val, *var; | |
1440 | int nullset = 0; | |
1441 | ||
1442 | if (arg == 0) | |
1443 | error_no_arg ("environment variable and value"); | |
1444 | ||
1445 | /* Find seperation between variable name and value */ | |
1446 | p = (char *) strchr (arg, '='); | |
1447 | val = (char *) strchr (arg, ' '); | |
1448 | ||
1449 | if (p != 0 && val != 0) | |
1450 | { | |
1451 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1452 | equals, walk forward over the spaces til we see a nonspace |
1453 | (possibly the equals). */ | |
c906108c SS |
1454 | if (p > val) |
1455 | while (*val == ' ') | |
1456 | val++; | |
1457 | ||
1458 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1459 | take the char following the spaces. */ |
c906108c SS |
1460 | if (p > val) |
1461 | p = val - 1; | |
1462 | } | |
1463 | else if (val != 0 && p == 0) | |
1464 | p = val; | |
1465 | ||
1466 | if (p == arg) | |
1467 | error_no_arg ("environment variable to set"); | |
1468 | ||
1469 | if (p == 0 || p[1] == 0) | |
1470 | { | |
1471 | nullset = 1; | |
1472 | if (p == 0) | |
1473 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1474 | } | |
1475 | else | |
1476 | { | |
1477 | /* Not setting variable value to null */ | |
1478 | val = p + 1; | |
1479 | while (*val == ' ' || *val == '\t') | |
1480 | val++; | |
1481 | } | |
1482 | ||
c5aa993b JM |
1483 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1484 | p--; | |
c906108c SS |
1485 | |
1486 | var = savestring (arg, p - arg); | |
1487 | if (nullset) | |
1488 | { | |
1489 | printf_filtered ("Setting environment variable "); | |
1490 | printf_filtered ("\"%s\" to null value.\n", var); | |
1491 | set_in_environ (inferior_environ, var, ""); | |
1492 | } | |
1493 | else | |
1494 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1495 | xfree (var); |
c906108c SS |
1496 | } |
1497 | ||
1498 | static void | |
fba45db2 | 1499 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1500 | { |
1501 | if (var == 0) | |
1502 | { | |
1503 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1504 | Ask for confirmation if reading from the terminal. */ |
c906108c SS |
1505 | if (!from_tty || query ("Delete all environment variables? ")) |
1506 | { | |
1507 | free_environ (inferior_environ); | |
1508 | inferior_environ = make_environ (); | |
1509 | } | |
1510 | } | |
1511 | else | |
1512 | unset_in_environ (inferior_environ, var); | |
1513 | } | |
1514 | ||
1515 | /* Handle the execution path (PATH variable) */ | |
1516 | ||
1517 | static const char path_var_name[] = "PATH"; | |
1518 | ||
1519 | /* ARGSUSED */ | |
1520 | static void | |
fba45db2 | 1521 | path_info (char *args, int from_tty) |
c906108c SS |
1522 | { |
1523 | puts_filtered ("Executable and object file path: "); | |
1524 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1525 | puts_filtered ("\n"); | |
1526 | } | |
1527 | ||
1528 | /* Add zero or more directories to the front of the execution path. */ | |
1529 | ||
1530 | static void | |
fba45db2 | 1531 | path_command (char *dirname, int from_tty) |
c906108c SS |
1532 | { |
1533 | char *exec_path; | |
1534 | char *env; | |
1535 | dont_repeat (); | |
1536 | env = get_in_environ (inferior_environ, path_var_name); | |
1537 | /* Can be null if path is not set */ | |
1538 | if (!env) | |
1539 | env = ""; | |
4fcf66da | 1540 | exec_path = xstrdup (env); |
c906108c SS |
1541 | mod_path (dirname, &exec_path); |
1542 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1543 | xfree (exec_path); |
c906108c | 1544 | if (from_tty) |
c5aa993b | 1545 | path_info ((char *) NULL, from_tty); |
c906108c | 1546 | } |
c906108c | 1547 | \f |
c5aa993b | 1548 | |
c906108c SS |
1549 | #ifdef REGISTER_NAMES |
1550 | char *gdb_register_names[] = REGISTER_NAMES; | |
1551 | #endif | |
4782dc19 | 1552 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1553 | registers (print_all == 1) or all non-float and non-vector |
1554 | registers (print_all == 0). | |
c906108c SS |
1555 | |
1556 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1557 | register(s) one per line is good enough. If a different format is |
1558 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1559 | regs), or there is an existing convention for showing all the | |
1560 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1561 | provide that format. */ | |
c906108c | 1562 | |
666e11c5 | 1563 | void |
0ab7a791 AC |
1564 | default_print_registers_info (struct gdbarch *gdbarch, |
1565 | struct ui_file *file, | |
1566 | struct frame_info *frame, | |
1567 | int regnum, int print_all) | |
c906108c | 1568 | { |
0ab7a791 AC |
1569 | int i; |
1570 | const int numregs = NUM_REGS + NUM_PSEUDO_REGS; | |
1571 | char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE); | |
1572 | char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE); | |
1573 | ||
1574 | /* FIXME: cagney/2002-03-08: This should be deprecated. */ | |
1575 | if (DO_REGISTERS_INFO_P ()) | |
1576 | { | |
1577 | DO_REGISTERS_INFO (regnum, print_all); | |
1578 | return; | |
1579 | } | |
c906108c SS |
1580 | |
1581 | for (i = 0; i < numregs; i++) | |
1582 | { | |
4782dc19 AC |
1583 | /* Decide between printing all regs, non-float / vector regs, or |
1584 | specific reg. */ | |
c5aa993b JM |
1585 | if (regnum == -1) |
1586 | { | |
4782dc19 AC |
1587 | if (!print_all) |
1588 | { | |
1589 | if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT) | |
1590 | continue; | |
1591 | if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i))) | |
1592 | continue; | |
1593 | } | |
c5aa993b JM |
1594 | } |
1595 | else | |
1596 | { | |
1597 | if (i != regnum) | |
1598 | continue; | |
1599 | } | |
c906108c SS |
1600 | |
1601 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1602 | processor, so don't display anything. */ |
c906108c SS |
1603 | if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0') |
1604 | continue; | |
1605 | ||
0ab7a791 AC |
1606 | fputs_filtered (REGISTER_NAME (i), file); |
1607 | print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file); | |
c906108c SS |
1608 | |
1609 | /* Get the data in raw format. */ | |
0ab7a791 | 1610 | if (! frame_register_read (frame, i, raw_buffer)) |
c906108c | 1611 | { |
0ab7a791 | 1612 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1613 | continue; |
1614 | } | |
1615 | ||
0ab7a791 AC |
1616 | /* FIXME: cagney/2002-08-03: This code shouldn't be necessary. |
1617 | The function frame_register_read() should have returned the | |
1618 | pre-cooked register so no conversion is necessary. */ | |
c906108c | 1619 | /* Convert raw data to virtual format if necessary. */ |
c906108c SS |
1620 | if (REGISTER_CONVERTIBLE (i)) |
1621 | { | |
1622 | REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i), | |
1623 | raw_buffer, virtual_buffer); | |
1624 | } | |
1625 | else | |
392a587b JM |
1626 | { |
1627 | memcpy (virtual_buffer, raw_buffer, | |
1628 | REGISTER_VIRTUAL_SIZE (i)); | |
1629 | } | |
c906108c | 1630 | |
0ab7a791 AC |
1631 | /* If virtual format is floating, print it that way, and in raw |
1632 | hex. */ | |
c906108c SS |
1633 | if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT) |
1634 | { | |
0ab7a791 | 1635 | int j; |
c906108c | 1636 | |
75bc7ddf | 1637 | val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0, |
0ab7a791 | 1638 | file, 0, 1, 0, Val_pretty_default); |
c906108c | 1639 | |
0ab7a791 | 1640 | fprintf_filtered (file, "\t(raw 0x"); |
c906108c SS |
1641 | for (j = 0; j < REGISTER_RAW_SIZE (i); j++) |
1642 | { | |
0ab7a791 AC |
1643 | int idx; |
1644 | if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) | |
1645 | idx = j; | |
1646 | else | |
1647 | idx = REGISTER_RAW_SIZE (i) - 1 - j; | |
1648 | fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]); | |
c906108c | 1649 | } |
0ab7a791 | 1650 | fprintf_filtered (file, ")"); |
c906108c | 1651 | } |
c906108c SS |
1652 | else |
1653 | { | |
ab4327e0 | 1654 | /* Print the register in hex. */ |
c906108c | 1655 | val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0, |
9d84ac84 | 1656 | file, 'x', 1, 0, Val_pretty_default); |
ab4327e0 EZ |
1657 | /* If not a vector register, print it also according to its |
1658 | natural format. */ | |
1659 | if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0) | |
1660 | { | |
9d84ac84 | 1661 | fprintf_filtered (file, "\t"); |
ab4327e0 | 1662 | val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0, |
9d84ac84 | 1663 | file, 0, 1, 0, Val_pretty_default); |
ab4327e0 | 1664 | } |
c906108c SS |
1665 | } |
1666 | ||
1667 | /* The SPARC wants to print even-numbered float regs as doubles | |
c5aa993b | 1668 | in addition to printing them as floats. */ |
c906108c SS |
1669 | #ifdef PRINT_REGISTER_HOOK |
1670 | PRINT_REGISTER_HOOK (i); | |
1671 | #endif | |
1672 | ||
0ab7a791 | 1673 | fprintf_filtered (file, "\n"); |
c906108c SS |
1674 | } |
1675 | } | |
c906108c | 1676 | |
c906108c | 1677 | void |
fba45db2 | 1678 | registers_info (char *addr_exp, int fpregs) |
c906108c SS |
1679 | { |
1680 | int regnum, numregs; | |
1681 | register char *end; | |
1682 | ||
1683 | if (!target_has_registers) | |
1684 | error ("The program has no registers now."); | |
1685 | if (selected_frame == NULL) | |
1686 | error ("No selected frame."); | |
1687 | ||
1688 | if (!addr_exp) | |
1689 | { | |
0ab7a791 AC |
1690 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, |
1691 | selected_frame, -1, fpregs); | |
c906108c SS |
1692 | return; |
1693 | } | |
1694 | ||
1695 | do | |
c5aa993b | 1696 | { |
c906108c SS |
1697 | if (addr_exp[0] == '$') |
1698 | addr_exp++; | |
1699 | end = addr_exp; | |
1700 | while (*end != '\0' && *end != ' ' && *end != '\t') | |
1701 | ++end; | |
64485362 | 1702 | numregs = NUM_REGS + NUM_PSEUDO_REGS; |
c906108c | 1703 | |
e36180d7 | 1704 | regnum = frame_map_name_to_regnum (addr_exp, end - addr_exp); |
c5aa993b | 1705 | if (regnum >= 0) |
c906108c SS |
1706 | goto found; |
1707 | ||
1708 | regnum = numregs; | |
1709 | ||
1710 | if (*addr_exp >= '0' && *addr_exp <= '9') | |
c5aa993b JM |
1711 | regnum = atoi (addr_exp); /* Take a number */ |
1712 | if (regnum >= numregs) /* Bad name, or bad number */ | |
baa6f10b | 1713 | error ("%.*s: invalid register", (int) (end - addr_exp), addr_exp); |
c906108c | 1714 | |
c5aa993b | 1715 | found: |
0ab7a791 AC |
1716 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, |
1717 | selected_frame, regnum, fpregs); | |
c906108c SS |
1718 | |
1719 | addr_exp = end; | |
1720 | while (*addr_exp == ' ' || *addr_exp == '\t') | |
1721 | ++addr_exp; | |
c5aa993b JM |
1722 | } |
1723 | while (*addr_exp != '\0'); | |
c906108c SS |
1724 | } |
1725 | ||
1726 | void | |
fba45db2 | 1727 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1728 | { |
1729 | registers_info (addr_exp, 1); | |
1730 | } | |
1731 | ||
1732 | void | |
fba45db2 | 1733 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1734 | { |
1735 | registers_info (addr_exp, 0); | |
1736 | } | |
e76f1f2e AC |
1737 | |
1738 | static void | |
1739 | print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, | |
1740 | struct frame_info *frame, const char *args) | |
1741 | { | |
1742 | if (gdbarch_print_vector_info_p (gdbarch)) | |
1743 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
1744 | else | |
1745 | { | |
1746 | int regnum; | |
1747 | int printed_something = 0; | |
ab4327e0 EZ |
1748 | |
1749 | if (!target_has_registers) | |
1750 | error ("The program has no registers now."); | |
1751 | if (selected_frame == NULL) | |
1752 | error ("No selected frame."); | |
1753 | ||
e76f1f2e AC |
1754 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1755 | { | |
1756 | if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (regnum))) | |
1757 | { | |
1758 | printed_something = 1; | |
e76f1f2e | 1759 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
1760 | } |
1761 | } | |
1762 | if (!printed_something) | |
1763 | fprintf_filtered (file, "No vector information\n"); | |
1764 | } | |
1765 | } | |
1766 | ||
1767 | static void | |
1768 | vector_info (char *args, int from_tty) | |
1769 | { | |
1770 | print_vector_info (current_gdbarch, gdb_stdout, selected_frame, args); | |
1771 | } | |
c906108c | 1772 | \f |
c5aa993b | 1773 | |
c906108c SS |
1774 | /* |
1775 | * TODO: | |
1776 | * Should save/restore the tty state since it might be that the | |
1777 | * program to be debugged was started on this tty and it wants | |
1778 | * the tty in some state other than what we want. If it's running | |
1779 | * on another terminal or without a terminal, then saving and | |
1780 | * restoring the tty state is a harmless no-op. | |
1781 | * This only needs to be done if we are attaching to a process. | |
1782 | */ | |
1783 | ||
1784 | /* | |
1785 | attach_command -- | |
1786 | takes a program started up outside of gdb and ``attaches'' to it. | |
1787 | This stops it cold in its tracks and allows us to start debugging it. | |
1788 | and wait for the trace-trap that results from attaching. */ | |
1789 | ||
1790 | void | |
fba45db2 | 1791 | attach_command (char *args, int from_tty) |
c906108c | 1792 | { |
c5aa993b JM |
1793 | char *exec_file; |
1794 | char *full_exec_path = NULL; | |
c906108c | 1795 | |
c5aa993b | 1796 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1797 | |
1798 | if (target_has_execution) | |
1799 | { | |
1800 | if (query ("A program is being debugged already. Kill it? ")) | |
1801 | target_kill (); | |
1802 | else | |
1803 | error ("Not killed."); | |
1804 | } | |
1805 | ||
1806 | target_attach (args, from_tty); | |
1807 | ||
1808 | /* Set up the "saved terminal modes" of the inferior | |
1809 | based on what modes we are starting it with. */ | |
1810 | target_terminal_init (); | |
1811 | ||
1812 | /* Install inferior's terminal modes. */ | |
1813 | target_terminal_inferior (); | |
1814 | ||
1815 | /* Set up execution context to know that we should return from | |
1816 | wait_for_inferior as soon as the target reports a stop. */ | |
1817 | init_wait_for_inferior (); | |
1818 | clear_proceed_status (); | |
c906108c SS |
1819 | |
1820 | /* No traps are generated when attaching to inferior under Mach 3 | |
1821 | or GNU hurd. */ | |
1822 | #ifndef ATTACH_NO_WAIT | |
00373e55 | 1823 | stop_soon_quietly = 1; |
c906108c SS |
1824 | wait_for_inferior (); |
1825 | #endif | |
1826 | ||
1827 | /* | |
1828 | * If no exec file is yet known, try to determine it from the | |
1829 | * process itself. | |
1830 | */ | |
1831 | exec_file = (char *) get_exec_file (0); | |
c5aa993b JM |
1832 | if (!exec_file) |
1833 | { | |
39f77062 | 1834 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); |
c5aa993b JM |
1835 | if (exec_file) |
1836 | { | |
1837 | /* It's possible we don't have a full path, but rather just a | |
1838 | filename. Some targets, such as HP-UX, don't provide the | |
1839 | full path, sigh. | |
1840 | ||
1841 | Attempt to qualify the filename against the source path. | |
1842 | (If that fails, we'll just fall back on the original | |
1843 | filename. Not much more we can do...) | |
1844 | */ | |
1845 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1846 | full_exec_path = savestring (exec_file, strlen (exec_file)); | |
1847 | ||
1848 | exec_file_attach (full_exec_path, from_tty); | |
1adeb98a | 1849 | symbol_file_add_main (full_exec_path, from_tty); |
c5aa993b | 1850 | } |
c906108c | 1851 | } |
c906108c SS |
1852 | |
1853 | #ifdef SOLIB_ADD | |
990f9fe3 FF |
1854 | /* Add shared library symbols from the newly attached process, if any. */ |
1855 | SOLIB_ADD ((char *) 0, from_tty, ¤t_target, auto_solib_add); | |
1856 | re_enable_breakpoints_in_shlibs (); | |
c906108c SS |
1857 | #endif |
1858 | ||
1859 | /* Take any necessary post-attaching actions for this platform. | |
c5aa993b | 1860 | */ |
39f77062 | 1861 | target_post_attach (PIDGET (inferior_ptid)); |
c906108c SS |
1862 | |
1863 | normal_stop (); | |
6426a772 JM |
1864 | |
1865 | if (attach_hook) | |
1866 | attach_hook (); | |
c906108c SS |
1867 | } |
1868 | ||
1869 | /* | |
1870 | * detach_command -- | |
1871 | * takes a program previously attached to and detaches it. | |
1872 | * The program resumes execution and will no longer stop | |
1873 | * on signals, etc. We better not have left any breakpoints | |
1874 | * in the program or it'll die when it hits one. For this | |
1875 | * to work, it may be necessary for the process to have been | |
1876 | * previously attached. It *might* work if the program was | |
1877 | * started via the normal ptrace (PTRACE_TRACEME). | |
1878 | */ | |
1879 | ||
1880 | static void | |
fba45db2 | 1881 | detach_command (char *args, int from_tty) |
c906108c | 1882 | { |
c5aa993b | 1883 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1884 | target_detach (args, from_tty); |
1885 | #if defined(SOLIB_RESTART) | |
1886 | SOLIB_RESTART (); | |
1887 | #endif | |
6426a772 JM |
1888 | if (detach_hook) |
1889 | detach_hook (); | |
c906108c SS |
1890 | } |
1891 | ||
43ff13b4 JM |
1892 | /* Stop the execution of the target while running in async mode, in |
1893 | the backgound. */ | |
8926118c | 1894 | |
8b93c638 | 1895 | void |
fba45db2 | 1896 | interrupt_target_command_wrapper (char *args, int from_tty) |
8b93c638 JM |
1897 | { |
1898 | interrupt_target_command (args, from_tty); | |
1899 | } | |
8926118c | 1900 | |
43ff13b4 | 1901 | static void |
fba45db2 | 1902 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 1903 | { |
6426a772 | 1904 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1905 | { |
c5aa993b | 1906 | dont_repeat (); /* Not for the faint of heart */ |
43ff13b4 JM |
1907 | target_stop (); |
1908 | } | |
1909 | } | |
1910 | ||
c906108c SS |
1911 | /* ARGSUSED */ |
1912 | static void | |
23e3a7ac AC |
1913 | print_float_info (struct gdbarch *gdbarch, struct ui_file *file, |
1914 | struct frame_info *frame, const char *args) | |
c906108c | 1915 | { |
23e3a7ac AC |
1916 | if (gdbarch_print_float_info_p (gdbarch)) |
1917 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
1918 | else | |
1919 | { | |
1920 | #ifdef FLOAT_INFO | |
1921 | #if GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL | |
1922 | #error "FLOAT_INFO defined in multi-arch" | |
1923 | #endif | |
1924 | FLOAT_INFO; | |
1925 | #else | |
1926 | int regnum; | |
1927 | int printed_something = 0; | |
ab4327e0 EZ |
1928 | |
1929 | if (!target_has_registers) | |
1930 | error ("The program has no registers now."); | |
1931 | if (selected_frame == NULL) | |
1932 | error ("No selected frame."); | |
1933 | ||
23e3a7ac AC |
1934 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1935 | { | |
1936 | if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (regnum)) == TYPE_CODE_FLT) | |
1937 | { | |
1938 | printed_something = 1; | |
23e3a7ac | 1939 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
1940 | } |
1941 | } | |
1942 | if (!printed_something) | |
1943 | fprintf_filtered (file, "\ | |
1944 | No floating-point info available for this processor.\n"); | |
1945 | #endif | |
1946 | } | |
1947 | } | |
1948 | ||
1949 | static void | |
1950 | float_info (char *args, int from_tty) | |
1951 | { | |
1952 | print_float_info (current_gdbarch, gdb_stdout, 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 | ||
2044 | add_com ("signal", class_run, signal_command, | |
2045 | "Continue program giving it signal specified by the argument.\n\ | |
2046 | An argument of \"0\" means continue program without giving it a signal."); | |
2047 | ||
2048 | add_com ("stepi", class_run, stepi_command, | |
2049 | "Step one instruction exactly.\n\ | |
2050 | Argument N means do this N times (or till program stops for another reason)."); | |
2051 | add_com_alias ("si", "stepi", class_alias, 0); | |
2052 | ||
2053 | add_com ("nexti", class_run, nexti_command, | |
2054 | "Step one instruction, but proceed through subroutine calls.\n\ | |
2055 | Argument N means do this N times (or till program stops for another reason)."); | |
2056 | add_com_alias ("ni", "nexti", class_alias, 0); | |
2057 | ||
2058 | add_com ("finish", class_run, finish_command, | |
2059 | "Execute until selected stack frame returns.\n\ | |
2060 | Upon return, the value returned is printed and put in the value history."); | |
2061 | ||
2062 | add_com ("next", class_run, next_command, | |
2063 | "Step program, proceeding through subroutine calls.\n\ | |
2064 | Like the \"step\" command as long as subroutine calls do not happen;\n\ | |
2065 | when they do, the call is treated as one instruction.\n\ | |
2066 | Argument N means do this N times (or till program stops for another reason)."); | |
2067 | add_com_alias ("n", "next", class_run, 1); | |
2068 | if (xdb_commands) | |
c5aa993b | 2069 | add_com_alias ("S", "next", class_run, 1); |
c906108c SS |
2070 | |
2071 | add_com ("step", class_run, step_command, | |
2072 | "Step program until it reaches a different source line.\n\ | |
2073 | Argument N means do this N times (or till program stops for another reason)."); | |
2074 | add_com_alias ("s", "step", class_run, 1); | |
2075 | ||
c94fdfd0 EZ |
2076 | c = add_com ("until", class_run, until_command, |
2077 | "Execute until the program reaches a source line greater than the current\n\ | |
c906108c SS |
2078 | or a specified line or address or function (same args as break command).\n\ |
2079 | Execution will also stop upon exit from the current stack frame."); | |
5ba2abeb | 2080 | set_cmd_completer (c, location_completer); |
c906108c | 2081 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2082 | |
c94fdfd0 EZ |
2083 | c = add_com ("jump", class_run, jump_command, |
2084 | "Continue program being debugged at specified line or address.\n\ | |
c906108c SS |
2085 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
2086 | for an address to start at."); | |
5ba2abeb | 2087 | set_cmd_completer (c, location_completer); |
c906108c | 2088 | |
b83266a0 | 2089 | if (xdb_commands) |
c94fdfd0 EZ |
2090 | { |
2091 | c = add_com ("go", class_run, go_command, | |
2092 | "Usage: go <location>\n\ | |
c906108c SS |
2093 | Continue program being debugged, stopping at specified line or \n\ |
2094 | address.\n\ | |
2095 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2096 | expression for an address to start at.\n\ | |
2097 | This command is a combination of tbreak and jump."); | |
5ba2abeb | 2098 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2099 | } |
b83266a0 | 2100 | |
c906108c | 2101 | if (xdb_commands) |
c5aa993b | 2102 | add_com_alias ("g", "go", class_run, 1); |
c906108c SS |
2103 | |
2104 | add_com ("continue", class_run, continue_command, | |
2105 | "Continue program being debugged, after signal or breakpoint.\n\ | |
2106 | If proceeding from breakpoint, a number N may be used as an argument,\n\ | |
2107 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
2108 | the breakpoint won't break until the Nth time it is reached)."); | |
2109 | add_com_alias ("c", "cont", class_run, 1); | |
2110 | add_com_alias ("fg", "cont", class_run, 1); | |
2111 | ||
fa58ee11 | 2112 | c = add_com ("run", class_run, run_command, |
c906108c SS |
2113 | "Start debugged program. You may specify arguments to give it.\n\ |
2114 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ | |
2115 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2116 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2117 | To cancel previous arguments and run with no arguments,\n\ | |
2118 | use \"set args\" without arguments."); | |
5ba2abeb | 2119 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2120 | add_com_alias ("r", "run", class_run, 1); |
2121 | if (xdb_commands) | |
2122 | add_com ("R", class_run, run_no_args_command, | |
c5aa993b | 2123 | "Start debugged program with no arguments."); |
c906108c | 2124 | |
43ff13b4 JM |
2125 | add_com ("interrupt", class_run, interrupt_target_command, |
2126 | "Interrupt the execution of the debugged program."); | |
2127 | ||
c906108c | 2128 | add_info ("registers", nofp_registers_info, |
c5aa993b | 2129 | "List of integer registers and their contents, for selected stack frame.\n\ |
c906108c | 2130 | Register name as argument means describe only that register."); |
7194c49b | 2131 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2132 | |
2133 | if (xdb_commands) | |
c5aa993b JM |
2134 | add_com ("lr", class_info, nofp_registers_info, |
2135 | "List of integer registers and their contents, for selected stack frame.\n\ | |
c906108c SS |
2136 | Register name as argument means describe only that register."); |
2137 | add_info ("all-registers", all_registers_info, | |
c5aa993b | 2138 | "List of all registers and their contents, for selected stack frame.\n\ |
c906108c SS |
2139 | Register name as argument means describe only that register."); |
2140 | ||
2141 | add_info ("program", program_info, | |
2142 | "Execution status of the program."); | |
2143 | ||
2144 | add_info ("float", float_info, | |
2145 | "Print the status of the floating point unit\n"); | |
2146 | ||
e76f1f2e AC |
2147 | add_info ("vector", vector_info, |
2148 | "Print the status of the vector unit\n"); | |
2149 | ||
c906108c SS |
2150 | inferior_environ = make_environ (); |
2151 | init_environ (inferior_environ); | |
2152 | } |