Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
b6ba6518 | 2 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
e74f0f02 | 3 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 |
c906108c SS |
4 | Free Software Foundation, Inc. |
5 | ||
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include <signal.h> | |
25 | #include "gdb_string.h" | |
26 | #include "symtab.h" | |
27 | #include "gdbtypes.h" | |
28 | #include "frame.h" | |
29 | #include "inferior.h" | |
30 | #include "environ.h" | |
31 | #include "value.h" | |
32 | #include "gdbcmd.h" | |
1adeb98a | 33 | #include "symfile.h" |
c906108c SS |
34 | #include "gdbcore.h" |
35 | #include "target.h" | |
36 | #include "language.h" | |
37 | #include "symfile.h" | |
38 | #include "objfiles.h" | |
c94fdfd0 | 39 | #include "completer.h" |
8b93c638 | 40 | #include "ui-out.h" |
6426a772 | 41 | #include "event-top.h" |
96baa820 | 42 | #include "parser-defs.h" |
36160dc4 | 43 | #include "regcache.h" |
f9418c0f | 44 | #include "reggroups.h" |
fe898f56 | 45 | #include "block.h" |
f9418c0f | 46 | #include <ctype.h> |
92ad9cd9 | 47 | #include "gdb_assert.h" |
72cec141 | 48 | |
a58dd373 | 49 | /* Functions exported for general use, in inferior.h: */ |
c906108c | 50 | |
a14ed312 | 51 | void all_registers_info (char *, int); |
c906108c | 52 | |
a14ed312 | 53 | void registers_info (char *, int); |
c906108c | 54 | |
a58dd373 EZ |
55 | void nexti_command (char *, int); |
56 | ||
57 | void stepi_command (char *, int); | |
c906108c | 58 | |
a14ed312 | 59 | void continue_command (char *, int); |
c906108c | 60 | |
a58dd373 EZ |
61 | void interrupt_target_command (char *args, int from_tty); |
62 | ||
63 | /* Local functions: */ | |
64 | ||
65 | static void nofp_registers_info (char *, int); | |
66 | ||
11cf8741 JM |
67 | static void print_return_value (int struct_return, struct type *value_type); |
68 | ||
a14ed312 | 69 | static void finish_command_continuation (struct continuation_arg *); |
43ff13b4 | 70 | |
a14ed312 | 71 | static void until_next_command (int); |
c906108c | 72 | |
a14ed312 | 73 | static void until_command (char *, int); |
c906108c | 74 | |
a14ed312 | 75 | static void path_info (char *, int); |
c906108c | 76 | |
a14ed312 | 77 | static void path_command (char *, int); |
c906108c | 78 | |
a14ed312 | 79 | static void unset_command (char *, int); |
c906108c | 80 | |
a14ed312 | 81 | static void float_info (char *, int); |
c906108c | 82 | |
a14ed312 | 83 | static void detach_command (char *, int); |
c906108c | 84 | |
6ad8ae5c DJ |
85 | static void disconnect_command (char *, int); |
86 | ||
a14ed312 | 87 | static void unset_environment_command (char *, int); |
c906108c | 88 | |
a14ed312 | 89 | static void set_environment_command (char *, int); |
c906108c | 90 | |
a14ed312 | 91 | static void environment_info (char *, int); |
c906108c | 92 | |
a14ed312 | 93 | static void program_info (char *, int); |
c906108c | 94 | |
a14ed312 | 95 | static void finish_command (char *, int); |
c906108c | 96 | |
a14ed312 | 97 | static void signal_command (char *, int); |
c906108c | 98 | |
a14ed312 | 99 | static void jump_command (char *, int); |
c906108c | 100 | |
a14ed312 | 101 | static void step_1 (int, int, char *); |
c2d11a7d JM |
102 | static void step_once (int skip_subroutines, int single_inst, int count); |
103 | static void step_1_continuation (struct continuation_arg *arg); | |
c906108c | 104 | |
a14ed312 | 105 | static void next_command (char *, int); |
c906108c | 106 | |
a14ed312 | 107 | static void step_command (char *, int); |
c906108c | 108 | |
a14ed312 | 109 | static void run_command (char *, int); |
c906108c | 110 | |
a14ed312 | 111 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 112 | |
a14ed312 | 113 | static void go_command (char *line_no, int from_tty); |
392a587b | 114 | |
a14ed312 | 115 | static int strip_bg_char (char **); |
43ff13b4 | 116 | |
a14ed312 | 117 | void _initialize_infcmd (void); |
c906108c SS |
118 | |
119 | #define GO_USAGE "Usage: go <location>\n" | |
120 | ||
c906108c SS |
121 | #define ERROR_NO_INFERIOR \ |
122 | if (!target_has_execution) error ("The program is not being run."); | |
123 | ||
124 | /* String containing arguments to give to the program, separated by spaces. | |
125 | Empty string (pointer to '\0') means no args. */ | |
126 | ||
127 | static char *inferior_args; | |
128 | ||
552c04a7 TT |
129 | /* The inferior arguments as a vector. If INFERIOR_ARGC is nonzero, |
130 | then we must compute INFERIOR_ARGS from this (via the target). */ | |
131 | ||
132 | static int inferior_argc; | |
133 | static char **inferior_argv; | |
134 | ||
c906108c SS |
135 | /* File name for default use for standard in/out in the inferior. */ |
136 | ||
137 | char *inferior_io_terminal; | |
138 | ||
139 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
140 | Since various parts of infrun.c test this to see whether there is a program | |
141 | being debugged it should be nonzero (currently 3 is used) for remote | |
142 | debugging. */ | |
143 | ||
39f77062 | 144 | ptid_t inferior_ptid; |
c906108c SS |
145 | |
146 | /* Last signal that the inferior received (why it stopped). */ | |
147 | ||
148 | enum target_signal stop_signal; | |
149 | ||
150 | /* Address at which inferior stopped. */ | |
151 | ||
152 | CORE_ADDR stop_pc; | |
153 | ||
154 | /* Chain containing status of breakpoint(s) that we have stopped at. */ | |
155 | ||
156 | bpstat stop_bpstat; | |
157 | ||
158 | /* Flag indicating that a command has proceeded the inferior past the | |
159 | current breakpoint. */ | |
160 | ||
161 | int breakpoint_proceeded; | |
162 | ||
163 | /* Nonzero if stopped due to a step command. */ | |
164 | ||
165 | int stop_step; | |
166 | ||
167 | /* Nonzero if stopped due to completion of a stack dummy routine. */ | |
168 | ||
169 | int stop_stack_dummy; | |
170 | ||
171 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
172 | process. */ | |
173 | ||
174 | int stopped_by_random_signal; | |
175 | ||
176 | /* Range to single step within. | |
177 | If this is nonzero, respond to a single-step signal | |
178 | by continuing to step if the pc is in this range. */ | |
179 | ||
c5aa993b JM |
180 | CORE_ADDR step_range_start; /* Inclusive */ |
181 | CORE_ADDR step_range_end; /* Exclusive */ | |
c906108c SS |
182 | |
183 | /* Stack frame address as of when stepping command was issued. | |
184 | This is how we know when we step into a subroutine call, | |
185 | and how to set the frame for the breakpoint used to step out. */ | |
186 | ||
aa0cd9c1 | 187 | struct frame_id step_frame_id; |
c906108c | 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. */ | |
c2a727fa TT |
261 | char * |
262 | construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv) | |
263 | { | |
264 | char *result; | |
265 | ||
266 | if (STARTUP_WITH_SHELL) | |
267 | { | |
268 | /* This holds all the characters considered special to the | |
269 | typical Unix shells. We include `^' because the SunOS | |
270 | /bin/sh treats it as a synonym for `|'. */ | |
271 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
272 | int i; | |
273 | int length = 0; | |
274 | char *out, *cp; | |
275 | ||
276 | /* We over-compute the size. It shouldn't matter. */ | |
277 | for (i = 0; i < argc; ++i) | |
03c6228e | 278 | length += 2 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
279 | |
280 | result = (char *) xmalloc (length); | |
281 | out = result; | |
282 | ||
283 | for (i = 0; i < argc; ++i) | |
284 | { | |
285 | if (i > 0) | |
286 | *out++ = ' '; | |
287 | ||
03c6228e AS |
288 | /* Need to handle empty arguments specially. */ |
289 | if (argv[i][0] == '\0') | |
c2a727fa | 290 | { |
03c6228e AS |
291 | *out++ = '\''; |
292 | *out++ = '\''; | |
293 | } | |
294 | else | |
295 | { | |
296 | for (cp = argv[i]; *cp; ++cp) | |
297 | { | |
298 | if (strchr (special, *cp) != NULL) | |
299 | *out++ = '\\'; | |
300 | *out++ = *cp; | |
301 | } | |
c2a727fa TT |
302 | } |
303 | } | |
304 | *out = '\0'; | |
305 | } | |
306 | else | |
307 | { | |
308 | /* In this case we can't handle arguments that contain spaces, | |
309 | tabs, or newlines -- see breakup_args(). */ | |
310 | int i; | |
311 | int length = 0; | |
312 | ||
313 | for (i = 0; i < argc; ++i) | |
314 | { | |
315 | char *cp = strchr (argv[i], ' '); | |
316 | if (cp == NULL) | |
317 | cp = strchr (argv[i], '\t'); | |
318 | if (cp == NULL) | |
319 | cp = strchr (argv[i], '\n'); | |
320 | if (cp != NULL) | |
321 | error ("can't handle command-line argument containing whitespace"); | |
322 | length += strlen (argv[i]) + 1; | |
323 | } | |
324 | ||
325 | result = (char *) xmalloc (length); | |
326 | result[0] = '\0'; | |
327 | for (i = 0; i < argc; ++i) | |
328 | { | |
329 | if (i > 0) | |
330 | strcat (result, " "); | |
331 | strcat (result, argv[i]); | |
332 | } | |
333 | } | |
334 | ||
335 | return result; | |
336 | } | |
552c04a7 TT |
337 | \f |
338 | ||
43ff13b4 JM |
339 | /* This function detects whether or not a '&' character (indicating |
340 | background execution) has been added as *the last* of the arguments ARGS | |
341 | of a command. If it has, it removes it and returns 1. Otherwise it | |
342 | does nothing and returns 0. */ | |
c5aa993b | 343 | static int |
fba45db2 | 344 | strip_bg_char (char **args) |
43ff13b4 JM |
345 | { |
346 | char *p = NULL; | |
c5aa993b | 347 | |
9846de1b | 348 | p = strchr (*args, '&'); |
c5aa993b | 349 | |
9846de1b | 350 | if (p) |
43ff13b4 JM |
351 | { |
352 | if (p == (*args + strlen (*args) - 1)) | |
353 | { | |
c5aa993b | 354 | if (strlen (*args) > 1) |
43ff13b4 JM |
355 | { |
356 | do | |
357 | p--; | |
358 | while (*p == ' ' || *p == '\t'); | |
359 | *(p + 1) = '\0'; | |
360 | } | |
361 | else | |
362 | *args = 0; | |
363 | return 1; | |
364 | } | |
365 | } | |
366 | return 0; | |
367 | } | |
368 | ||
c906108c | 369 | void |
fba45db2 | 370 | tty_command (char *file, int from_tty) |
c906108c SS |
371 | { |
372 | if (file == 0) | |
373 | error_no_arg ("terminal name for running target process"); | |
374 | ||
375 | inferior_io_terminal = savestring (file, strlen (file)); | |
376 | } | |
377 | ||
378 | static void | |
fba45db2 | 379 | run_command (char *args, int from_tty) |
c906108c SS |
380 | { |
381 | char *exec_file; | |
382 | ||
383 | dont_repeat (); | |
384 | ||
39f77062 | 385 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 386 | { |
adf40b2e JM |
387 | if (from_tty |
388 | && !query ("The program being debugged has been started already.\n\ | |
c906108c SS |
389 | Start it from the beginning? ")) |
390 | error ("Program not restarted."); | |
391 | target_kill (); | |
392 | #if defined(SOLIB_RESTART) | |
393 | SOLIB_RESTART (); | |
394 | #endif | |
395 | init_wait_for_inferior (); | |
396 | } | |
397 | ||
398 | clear_breakpoint_hit_counts (); | |
399 | ||
c906108c SS |
400 | /* Purge old solib objfiles. */ |
401 | objfile_purge_solibs (); | |
402 | ||
403 | do_run_cleanups (NULL); | |
404 | ||
39ad761d JB |
405 | /* The comment here used to read, "The exec file is re-read every |
406 | time we do a generic_mourn_inferior, so we just have to worry | |
407 | about the symbol file." The `generic_mourn_inferior' function | |
408 | gets called whenever the program exits. However, suppose the | |
409 | program exits, and *then* the executable file changes? We need | |
410 | to check again here. Since reopen_exec_file doesn't do anything | |
411 | if the timestamp hasn't changed, I don't see the harm. */ | |
412 | reopen_exec_file (); | |
c906108c SS |
413 | reread_symbols (); |
414 | ||
39ad761d JB |
415 | exec_file = (char *) get_exec_file (0); |
416 | ||
c906108c SS |
417 | /* We keep symbols from add-symbol-file, on the grounds that the |
418 | user might want to add some symbols before running the program | |
419 | (right?). But sometimes (dynamic loading where the user manually | |
420 | introduces the new symbols with add-symbol-file), the code which | |
421 | the symbols describe does not persist between runs. Currently | |
422 | the user has to manually nuke all symbols between runs if they | |
423 | want them to go away (PR 2207). This is probably reasonable. */ | |
424 | ||
43ff13b4 | 425 | if (!args) |
6426a772 JM |
426 | { |
427 | if (event_loop_p && target_can_async_p ()) | |
428 | async_disable_stdin (); | |
429 | } | |
43ff13b4 | 430 | else |
c906108c | 431 | { |
43ff13b4 JM |
432 | int async_exec = strip_bg_char (&args); |
433 | ||
434 | /* If we get a request for running in the bg but the target | |
435 | doesn't support it, error out. */ | |
6426a772 | 436 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
437 | error ("Asynchronous execution not supported on this target."); |
438 | ||
439 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 440 | to simulate synchronous (fg) execution. */ |
6426a772 | 441 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
442 | { |
443 | /* Simulate synchronous execution */ | |
6426a772 | 444 | async_disable_stdin (); |
43ff13b4 JM |
445 | } |
446 | ||
447 | /* If there were other args, beside '&', process them. */ | |
448 | if (args) | |
449 | { | |
07091751 FN |
450 | char *old_args = set_inferior_args (xstrdup (args)); |
451 | xfree (old_args); | |
43ff13b4 | 452 | } |
c906108c SS |
453 | } |
454 | ||
455 | if (from_tty) | |
456 | { | |
8b93c638 JM |
457 | ui_out_field_string (uiout, NULL, "Starting program"); |
458 | ui_out_text (uiout, ": "); | |
459 | if (exec_file) | |
460 | ui_out_field_string (uiout, "execfile", exec_file); | |
461 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
462 | /* We call get_inferior_args() because we might need to compute |
463 | the value now. */ | |
464 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
465 | ui_out_text (uiout, "\n"); |
466 | ui_out_flush (uiout); | |
c906108c SS |
467 | } |
468 | ||
552c04a7 TT |
469 | /* We call get_inferior_args() because we might need to compute |
470 | the value now. */ | |
471 | target_create_inferior (exec_file, get_inferior_args (), | |
c906108c SS |
472 | environ_vector (inferior_environ)); |
473 | } | |
474 | ||
475 | ||
476 | static void | |
fba45db2 | 477 | run_no_args_command (char *args, int from_tty) |
c906108c | 478 | { |
07091751 FN |
479 | char *old_args = set_inferior_args (xstrdup ("")); |
480 | xfree (old_args); | |
c906108c | 481 | } |
c906108c | 482 | \f |
c5aa993b | 483 | |
c906108c | 484 | void |
fba45db2 | 485 | continue_command (char *proc_count_exp, int from_tty) |
c906108c | 486 | { |
c5aa993b | 487 | int async_exec = 0; |
c906108c SS |
488 | ERROR_NO_INFERIOR; |
489 | ||
43ff13b4 JM |
490 | /* Find out whether we must run in the background. */ |
491 | if (proc_count_exp != NULL) | |
492 | async_exec = strip_bg_char (&proc_count_exp); | |
493 | ||
494 | /* If we must run in the background, but the target can't do it, | |
495 | error out. */ | |
6426a772 | 496 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
497 | error ("Asynchronous execution not supported on this target."); |
498 | ||
499 | /* If we are not asked to run in the bg, then prepare to run in the | |
500 | foreground, synchronously. */ | |
6426a772 | 501 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 502 | { |
43ff13b4 | 503 | /* Simulate synchronous execution */ |
6426a772 | 504 | async_disable_stdin (); |
43ff13b4 | 505 | } |
c906108c | 506 | |
43ff13b4 JM |
507 | /* If have argument (besides '&'), set proceed count of breakpoint |
508 | we stopped at. */ | |
c906108c SS |
509 | if (proc_count_exp != NULL) |
510 | { | |
511 | bpstat bs = stop_bpstat; | |
512 | int num = bpstat_num (&bs); | |
513 | if (num == 0 && from_tty) | |
514 | { | |
515 | printf_filtered | |
516 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
517 | } | |
518 | while (num != 0) | |
519 | { | |
520 | set_ignore_count (num, | |
bb518678 | 521 | parse_and_eval_long (proc_count_exp) - 1, |
c906108c SS |
522 | from_tty); |
523 | /* set_ignore_count prints a message ending with a period. | |
524 | So print two spaces before "Continuing.". */ | |
525 | if (from_tty) | |
526 | printf_filtered (" "); | |
527 | num = bpstat_num (&bs); | |
528 | } | |
529 | } | |
530 | ||
531 | if (from_tty) | |
532 | printf_filtered ("Continuing.\n"); | |
533 | ||
534 | clear_proceed_status (); | |
535 | ||
2acceee2 | 536 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c SS |
537 | } |
538 | \f | |
539 | /* Step until outside of current statement. */ | |
540 | ||
c906108c | 541 | static void |
fba45db2 | 542 | step_command (char *count_string, int from_tty) |
c906108c SS |
543 | { |
544 | step_1 (0, 0, count_string); | |
545 | } | |
546 | ||
547 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
548 | ||
c906108c | 549 | static void |
fba45db2 | 550 | next_command (char *count_string, int from_tty) |
c906108c SS |
551 | { |
552 | step_1 (1, 0, count_string); | |
553 | } | |
554 | ||
555 | /* Likewise, but step only one instruction. */ | |
556 | ||
c906108c | 557 | void |
fba45db2 | 558 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
559 | { |
560 | step_1 (0, 1, count_string); | |
561 | } | |
562 | ||
c906108c | 563 | void |
fba45db2 | 564 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
565 | { |
566 | step_1 (1, 1, count_string); | |
567 | } | |
568 | ||
74b7792f AC |
569 | static void |
570 | disable_longjmp_breakpoint_cleanup (void *ignore) | |
571 | { | |
572 | disable_longjmp_breakpoint (); | |
573 | } | |
574 | ||
c906108c | 575 | static void |
fba45db2 | 576 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 577 | { |
52f0bd74 | 578 | int count = 1; |
c906108c SS |
579 | struct frame_info *frame; |
580 | struct cleanup *cleanups = 0; | |
43ff13b4 | 581 | int async_exec = 0; |
c5aa993b | 582 | |
c906108c | 583 | ERROR_NO_INFERIOR; |
43ff13b4 JM |
584 | |
585 | if (count_string) | |
586 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 587 | |
43ff13b4 JM |
588 | /* If we get a request for running in the bg but the target |
589 | doesn't support it, error out. */ | |
6426a772 | 590 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
591 | error ("Asynchronous execution not supported on this target."); |
592 | ||
593 | /* If we don't get a request of running in the bg, then we need | |
594 | to simulate synchronous (fg) execution. */ | |
6426a772 | 595 | if (event_loop_p && !async_exec && target_can_async_p ()) |
43ff13b4 JM |
596 | { |
597 | /* Simulate synchronous execution */ | |
6426a772 | 598 | async_disable_stdin (); |
43ff13b4 JM |
599 | } |
600 | ||
bb518678 | 601 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 602 | |
c5aa993b | 603 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 604 | { |
c5aa993b | 605 | enable_longjmp_breakpoint (); |
c2d11a7d | 606 | if (!event_loop_p || !target_can_async_p ()) |
74b7792f | 607 | cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d | 608 | else |
74b7792f | 609 | make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d JM |
610 | } |
611 | ||
612 | /* In synchronous case, all is well, just use the regular for loop. */ | |
613 | if (!event_loop_p || !target_can_async_p ()) | |
614 | { | |
615 | for (; count > 0; count--) | |
616 | { | |
617 | clear_proceed_status (); | |
618 | ||
619 | frame = get_current_frame (); | |
620 | if (!frame) /* Avoid coredump here. Why tho? */ | |
621 | error ("No current frame"); | |
aa0cd9c1 | 622 | step_frame_id = get_frame_id (frame); |
c2d11a7d JM |
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; | |
c2d11a7d JM |
659 | } |
660 | ||
661 | if (!single_inst || skip_subroutines) | |
662 | do_cleanups (cleanups); | |
663 | return; | |
664 | } | |
665 | /* In case of asynchronous target things get complicated, do only | |
666 | one step for now, before returning control to the event loop. Let | |
667 | the continuation figure out how many other steps we need to do, | |
668 | and handle them one at the time, through step_once(). */ | |
669 | else | |
670 | { | |
671 | if (event_loop_p && target_can_async_p ()) | |
672 | step_once (skip_subroutines, single_inst, count); | |
c906108c | 673 | } |
c2d11a7d | 674 | } |
c906108c | 675 | |
c2d11a7d JM |
676 | /* Called after we are done with one step operation, to check whether |
677 | we need to step again, before we print the prompt and return control | |
678 | to the user. If count is > 1, we will need to do one more call to | |
679 | proceed(), via step_once(). Basically it is like step_once and | |
680 | step_1_continuation are co-recursive. */ | |
681 | static void | |
fba45db2 | 682 | step_1_continuation (struct continuation_arg *arg) |
c2d11a7d | 683 | { |
57e687d9 MS |
684 | int count; |
685 | int skip_subroutines; | |
686 | int single_inst; | |
687 | ||
688 | skip_subroutines = arg->data.integer; | |
689 | single_inst = arg->next->data.integer; | |
690 | count = arg->next->next->data.integer; | |
691 | ||
692 | if (stop_step) | |
e74f0f02 | 693 | step_once (skip_subroutines, single_inst, count - 1); |
57e687d9 MS |
694 | else |
695 | if (!single_inst || skip_subroutines) | |
696 | do_exec_cleanups (ALL_CLEANUPS); | |
c2d11a7d JM |
697 | } |
698 | ||
699 | /* Do just one step operation. If count >1 we will have to set up a | |
700 | continuation to be done after the target stops (after this one | |
701 | step). This is useful to implement the 'step n' kind of commands, in | |
702 | case of asynchronous targets. We had to split step_1 into two parts, | |
703 | one to be done before proceed() and one afterwards. This function is | |
704 | called in case of step n with n>1, after the first step operation has | |
705 | been completed.*/ | |
706 | static void | |
0d06e24b | 707 | step_once (int skip_subroutines, int single_inst, int count) |
c2d11a7d | 708 | { |
0d06e24b JM |
709 | struct continuation_arg *arg1; |
710 | struct continuation_arg *arg2; | |
711 | struct continuation_arg *arg3; | |
712 | struct frame_info *frame; | |
c2d11a7d JM |
713 | |
714 | if (count > 0) | |
c906108c SS |
715 | { |
716 | clear_proceed_status (); | |
717 | ||
718 | frame = get_current_frame (); | |
c5aa993b | 719 | if (!frame) /* Avoid coredump here. Why tho? */ |
c906108c | 720 | error ("No current frame"); |
aa0cd9c1 | 721 | step_frame_id = get_frame_id (frame); |
c906108c | 722 | |
c5aa993b | 723 | if (!single_inst) |
c906108c SS |
724 | { |
725 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
5fbbeb29 CF |
726 | |
727 | /* If we have no line info, switch to stepi mode. */ | |
728 | if (step_range_end == 0 && step_stop_if_no_debug) | |
729 | { | |
730 | step_range_start = step_range_end = 1; | |
731 | } | |
732 | else if (step_range_end == 0) | |
c906108c SS |
733 | { |
734 | char *name; | |
735 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
736 | &step_range_end) == 0) | |
737 | error ("Cannot find bounds of current function"); | |
738 | ||
739 | target_terminal_ours (); | |
740 | printf_filtered ("\ | |
741 | Single stepping until exit from function %s, \n\ | |
742 | which has no line number information.\n", name); | |
743 | } | |
744 | } | |
745 | else | |
746 | { | |
747 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
748 | step_range_start = step_range_end = 1; | |
749 | if (!skip_subroutines) | |
750 | /* It is stepi. | |
751 | Don't step over function calls, not even to functions lacking | |
752 | line numbers. */ | |
5fbbeb29 | 753 | step_over_calls = STEP_OVER_NONE; |
c906108c SS |
754 | } |
755 | ||
756 | if (skip_subroutines) | |
5fbbeb29 | 757 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
758 | |
759 | step_multi = (count > 1); | |
c2d11a7d JM |
760 | arg1 = |
761 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
762 | arg2 = | |
763 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
764 | arg3 = | |
765 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
766 | arg1->next = arg2; | |
57e687d9 | 767 | arg1->data.integer = skip_subroutines; |
c2d11a7d | 768 | arg2->next = arg3; |
57e687d9 | 769 | arg2->data.integer = single_inst; |
c2d11a7d | 770 | arg3->next = NULL; |
57e687d9 | 771 | arg3->data.integer = count; |
c2d11a7d | 772 | add_intermediate_continuation (step_1_continuation, arg1); |
2acceee2 | 773 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c | 774 | } |
c906108c | 775 | } |
c2d11a7d | 776 | |
c906108c SS |
777 | \f |
778 | /* Continue program at specified address. */ | |
779 | ||
780 | static void | |
fba45db2 | 781 | jump_command (char *arg, int from_tty) |
c906108c | 782 | { |
52f0bd74 | 783 | CORE_ADDR addr; |
c906108c SS |
784 | struct symtabs_and_lines sals; |
785 | struct symtab_and_line sal; | |
786 | struct symbol *fn; | |
787 | struct symbol *sfn; | |
43ff13b4 | 788 | int async_exec = 0; |
c5aa993b | 789 | |
c906108c SS |
790 | ERROR_NO_INFERIOR; |
791 | ||
43ff13b4 JM |
792 | /* Find out whether we must run in the background. */ |
793 | if (arg != NULL) | |
794 | async_exec = strip_bg_char (&arg); | |
795 | ||
796 | /* If we must run in the background, but the target can't do it, | |
797 | error out. */ | |
6426a772 | 798 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
799 | error ("Asynchronous execution not supported on this target."); |
800 | ||
801 | /* If we are not asked to run in the bg, then prepare to run in the | |
802 | foreground, synchronously. */ | |
6426a772 | 803 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 804 | { |
43ff13b4 | 805 | /* Simulate synchronous execution */ |
6426a772 | 806 | async_disable_stdin (); |
43ff13b4 JM |
807 | } |
808 | ||
c906108c SS |
809 | if (!arg) |
810 | error_no_arg ("starting address"); | |
811 | ||
812 | sals = decode_line_spec_1 (arg, 1); | |
813 | if (sals.nelts != 1) | |
814 | { | |
815 | error ("Unreasonable jump request"); | |
816 | } | |
817 | ||
818 | sal = sals.sals[0]; | |
b8c9b27d | 819 | xfree (sals.sals); |
c906108c SS |
820 | |
821 | if (sal.symtab == 0 && sal.pc == 0) | |
822 | error ("No source file has been specified."); | |
823 | ||
c5aa993b | 824 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
825 | |
826 | /* See if we are trying to jump to another function. */ | |
827 | fn = get_frame_function (get_current_frame ()); | |
828 | sfn = find_pc_function (sal.pc); | |
829 | if (fn != NULL && sfn != fn) | |
830 | { | |
831 | if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line, | |
de5ad195 | 832 | SYMBOL_PRINT_NAME (fn))) |
c906108c SS |
833 | { |
834 | error ("Not confirmed."); | |
835 | /* NOTREACHED */ | |
836 | } | |
837 | } | |
838 | ||
c5aa993b | 839 | if (sfn != NULL) |
c906108c SS |
840 | { |
841 | fixup_symbol_section (sfn, 0); | |
c5aa993b | 842 | if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) && |
c906108c SS |
843 | !section_is_mapped (SYMBOL_BFD_SECTION (sfn))) |
844 | { | |
845 | if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? ")) | |
846 | { | |
847 | error ("Not confirmed."); | |
848 | /* NOTREACHED */ | |
849 | } | |
850 | } | |
851 | } | |
852 | ||
c906108c SS |
853 | addr = sal.pc; |
854 | ||
855 | if (from_tty) | |
856 | { | |
857 | printf_filtered ("Continuing at "); | |
858 | print_address_numeric (addr, 1, gdb_stdout); | |
859 | printf_filtered (".\n"); | |
860 | } | |
861 | ||
862 | clear_proceed_status (); | |
863 | proceed (addr, TARGET_SIGNAL_0, 0); | |
864 | } | |
c906108c | 865 | \f |
c5aa993b | 866 | |
c906108c SS |
867 | /* Go to line or address in current procedure */ |
868 | static void | |
fba45db2 | 869 | go_command (char *line_no, int from_tty) |
c906108c | 870 | { |
c5aa993b | 871 | if (line_no == (char *) NULL || !*line_no) |
b83266a0 | 872 | printf_filtered (GO_USAGE); |
c906108c SS |
873 | else |
874 | { | |
b83266a0 SS |
875 | tbreak_command (line_no, from_tty); |
876 | jump_command (line_no, from_tty); | |
c906108c SS |
877 | } |
878 | } | |
c906108c | 879 | \f |
c5aa993b | 880 | |
c906108c SS |
881 | /* Continue program giving it specified signal. */ |
882 | ||
883 | static void | |
fba45db2 | 884 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
885 | { |
886 | enum target_signal oursig; | |
887 | ||
888 | dont_repeat (); /* Too dangerous. */ | |
889 | ERROR_NO_INFERIOR; | |
890 | ||
891 | if (!signum_exp) | |
892 | error_no_arg ("signal number"); | |
893 | ||
894 | /* It would be even slicker to make signal names be valid expressions, | |
895 | (the type could be "enum $signal" or some such), then the user could | |
896 | assign them to convenience variables. */ | |
897 | oursig = target_signal_from_name (signum_exp); | |
898 | ||
899 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
900 | { | |
901 | /* No, try numeric. */ | |
bb518678 | 902 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
903 | |
904 | if (num == 0) | |
905 | oursig = TARGET_SIGNAL_0; | |
906 | else | |
907 | oursig = target_signal_from_command (num); | |
908 | } | |
909 | ||
910 | if (from_tty) | |
911 | { | |
912 | if (oursig == TARGET_SIGNAL_0) | |
913 | printf_filtered ("Continuing with no signal.\n"); | |
914 | else | |
915 | printf_filtered ("Continuing with signal %s.\n", | |
916 | target_signal_to_name (oursig)); | |
917 | } | |
918 | ||
919 | clear_proceed_status (); | |
920 | /* "signal 0" should not get stuck if we are stopped at a breakpoint. | |
921 | FIXME: Neither should "signal foo" but when I tried passing | |
922 | (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't | |
923 | tried to track down yet. */ | |
2acceee2 | 924 | proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0); |
c906108c SS |
925 | } |
926 | ||
c906108c SS |
927 | /* Proceed until we reach a different source line with pc greater than |
928 | our current one or exit the function. We skip calls in both cases. | |
929 | ||
930 | Note that eventually this command should probably be changed so | |
931 | that only source lines are printed out when we hit the breakpoint | |
932 | we set. This may involve changes to wait_for_inferior and the | |
933 | proceed status code. */ | |
934 | ||
c906108c | 935 | static void |
fba45db2 | 936 | until_next_command (int from_tty) |
c906108c SS |
937 | { |
938 | struct frame_info *frame; | |
939 | CORE_ADDR pc; | |
940 | struct symbol *func; | |
941 | struct symtab_and_line sal; | |
c5aa993b | 942 | |
c906108c SS |
943 | clear_proceed_status (); |
944 | ||
945 | frame = get_current_frame (); | |
946 | ||
947 | /* Step until either exited from this function or greater | |
948 | than the current line (if in symbolic section) or pc (if | |
949 | not). */ | |
950 | ||
951 | pc = read_pc (); | |
952 | func = find_pc_function (pc); | |
c5aa993b | 953 | |
c906108c SS |
954 | if (!func) |
955 | { | |
956 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 957 | |
c906108c SS |
958 | if (msymbol == NULL) |
959 | error ("Execution is not within a known function."); | |
c5aa993b | 960 | |
c906108c SS |
961 | step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
962 | step_range_end = pc; | |
963 | } | |
964 | else | |
965 | { | |
966 | sal = find_pc_line (pc, 0); | |
c5aa993b | 967 | |
c906108c SS |
968 | step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
969 | step_range_end = sal.end; | |
970 | } | |
c5aa993b | 971 | |
5fbbeb29 | 972 | step_over_calls = STEP_OVER_ALL; |
aa0cd9c1 | 973 | step_frame_id = get_frame_id (frame); |
c906108c SS |
974 | |
975 | step_multi = 0; /* Only one call to proceed */ | |
c5aa993b | 976 | |
2acceee2 | 977 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
978 | } |
979 | ||
c5aa993b | 980 | static void |
fba45db2 | 981 | until_command (char *arg, int from_tty) |
c906108c | 982 | { |
43ff13b4 JM |
983 | int async_exec = 0; |
984 | ||
c906108c SS |
985 | if (!target_has_execution) |
986 | error ("The program is not running."); | |
43ff13b4 JM |
987 | |
988 | /* Find out whether we must run in the background. */ | |
989 | if (arg != NULL) | |
990 | async_exec = strip_bg_char (&arg); | |
991 | ||
992 | /* If we must run in the background, but the target can't do it, | |
993 | error out. */ | |
6426a772 | 994 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
995 | error ("Asynchronous execution not supported on this target."); |
996 | ||
997 | /* If we are not asked to run in the bg, then prepare to run in the | |
998 | foreground, synchronously. */ | |
6426a772 | 999 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1000 | { |
43ff13b4 | 1001 | /* Simulate synchronous execution */ |
6426a772 | 1002 | async_disable_stdin (); |
43ff13b4 JM |
1003 | } |
1004 | ||
c906108c | 1005 | if (arg) |
ae66c1fc | 1006 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1007 | else |
1008 | until_next_command (from_tty); | |
1009 | } | |
ae66c1fc EZ |
1010 | |
1011 | static void | |
1012 | advance_command (char *arg, int from_tty) | |
1013 | { | |
1014 | int async_exec = 0; | |
1015 | ||
1016 | if (!target_has_execution) | |
1017 | error ("The program is not running."); | |
1018 | ||
1019 | if (arg == NULL) | |
1020 | error_no_arg ("a location"); | |
1021 | ||
1022 | /* Find out whether we must run in the background. */ | |
1023 | if (arg != NULL) | |
1024 | async_exec = strip_bg_char (&arg); | |
1025 | ||
1026 | /* If we must run in the background, but the target can't do it, | |
1027 | error out. */ | |
1028 | if (event_loop_p && async_exec && !target_can_async_p ()) | |
1029 | error ("Asynchronous execution not supported on this target."); | |
1030 | ||
1031 | /* If we are not asked to run in the bg, then prepare to run in the | |
1032 | foreground, synchronously. */ | |
1033 | if (event_loop_p && !async_exec && target_can_async_p ()) | |
1034 | { | |
1035 | /* Simulate synchronous execution. */ | |
1036 | async_disable_stdin (); | |
1037 | } | |
1038 | ||
1039 | until_break_command (arg, from_tty, 1); | |
1040 | } | |
c906108c | 1041 | \f |
43ff13b4 | 1042 | |
31db7b6c MK |
1043 | static struct value * |
1044 | legacy_return_value (int struct_return, struct type *value_type) | |
1045 | { | |
1046 | struct value *value; | |
1047 | ||
1048 | if (!struct_return) | |
1049 | { | |
1050 | /* The return value can be found in the inferior's registers. */ | |
1051 | return register_value_being_returned (value_type, stop_registers); | |
1052 | } | |
1053 | ||
1054 | if (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P ()) | |
1055 | { | |
1056 | CORE_ADDR addr; | |
1057 | ||
1058 | addr = DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS (stop_registers); | |
1059 | if (!addr) | |
1060 | error ("Function return value unknown."); | |
1061 | return value_at (value_type, addr, NULL); | |
1062 | } | |
1063 | ||
1064 | /* It is "struct return" yet the value is being extracted, | |
1065 | presumably from registers, using EXTRACT_RETURN_VALUE. This | |
1066 | doesn't make sense. Unfortunately, the legacy interfaces allowed | |
1067 | this behavior. Sigh! */ | |
1068 | value = allocate_value (value_type); | |
1069 | CHECK_TYPEDEF (value_type); | |
1070 | /* If the function returns void, don't bother fetching the return | |
1071 | value. */ | |
1072 | EXTRACT_RETURN_VALUE (value_type, stop_registers, | |
1073 | VALUE_CONTENTS_RAW (value)); | |
1074 | return value; | |
1075 | } | |
1076 | ||
f941662f MK |
1077 | /* Print the result of a function at the end of a 'finish' command. */ |
1078 | ||
11cf8741 | 1079 | static void |
bb472c1e | 1080 | print_return_value (int struct_return, struct type *value_type) |
11cf8741 | 1081 | { |
31db7b6c | 1082 | struct gdbarch *gdbarch = current_gdbarch; |
bb472c1e MK |
1083 | struct cleanup *old_chain; |
1084 | struct ui_stream *stb; | |
31db7b6c | 1085 | struct value *value = NULL; |
11cf8741 | 1086 | |
92ad9cd9 AC |
1087 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1088 | call, it's possible (with no help from the architecture vector) | |
1089 | to locate and return/print a "struct return" value. This is just | |
1090 | a more complicated case of what is already being done in in the | |
1091 | inferior function call code. In fact, when inferior function | |
1092 | calls are made async, this will likely be made the norm. */ | |
31db7b6c MK |
1093 | |
1094 | if (gdbarch_return_value_p (gdbarch)) | |
92ad9cd9 | 1095 | { |
31db7b6c | 1096 | switch (gdbarch_return_value (gdbarch, value_type, NULL, NULL, NULL)) |
5fe830e4 | 1097 | { |
31db7b6c MK |
1098 | case RETURN_VALUE_REGISTER_CONVENTION: |
1099 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
5fe830e4 AC |
1100 | value = allocate_value (value_type); |
1101 | CHECK_TYPEDEF (value_type); | |
31db7b6c MK |
1102 | gdbarch_return_value (current_gdbarch, value_type, stop_registers, |
1103 | VALUE_CONTENTS_RAW (value), NULL); | |
1104 | break; | |
1105 | ||
1106 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1107 | break; | |
5fe830e4 | 1108 | } |
11cf8741 | 1109 | } |
31db7b6c MK |
1110 | else |
1111 | value = legacy_return_value (struct_return, value_type); | |
bb472c1e | 1112 | |
31db7b6c MK |
1113 | if (value) |
1114 | { | |
1115 | /* Print it. */ | |
1116 | stb = ui_out_stream_new (uiout); | |
1117 | old_chain = make_cleanup_ui_out_stream_delete (stb); | |
1118 | ui_out_text (uiout, "Value returned is "); | |
1119 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", | |
1120 | record_latest_value (value)); | |
1121 | ui_out_text (uiout, " = "); | |
1122 | value_print (value, stb->stream, 0, Val_no_prettyprint); | |
1123 | ui_out_field_stream (uiout, "return-value", stb); | |
1124 | ui_out_text (uiout, "\n"); | |
1125 | do_cleanups (old_chain); | |
1126 | } | |
1127 | else | |
1128 | { | |
1129 | ui_out_text (uiout, "Value returned has type: "); | |
1130 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); | |
1131 | ui_out_text (uiout, "."); | |
1132 | ui_out_text (uiout, " Cannot determine contents\n"); | |
1133 | } | |
11cf8741 JM |
1134 | } |
1135 | ||
43ff13b4 | 1136 | /* Stuff that needs to be done by the finish command after the target |
f941662f MK |
1137 | has stopped. In asynchronous mode, we wait for the target to stop |
1138 | in the call to poll or select in the event loop, so it is | |
1139 | impossible to do all the stuff as part of the finish_command | |
1140 | function itself. The only chance we have to complete this command | |
1141 | is in fetch_inferior_event, which is called by the event loop as | |
1142 | soon as it detects that the target has stopped. This function is | |
1143 | called via the cmd_continuation pointer. */ | |
1144 | ||
1145 | static void | |
fba45db2 | 1146 | finish_command_continuation (struct continuation_arg *arg) |
43ff13b4 | 1147 | { |
52f0bd74 | 1148 | struct symbol *function; |
43ff13b4 | 1149 | struct breakpoint *breakpoint; |
0d06e24b | 1150 | struct cleanup *cleanups; |
c5aa993b | 1151 | |
57e687d9 | 1152 | breakpoint = (struct breakpoint *) arg->data.pointer; |
f941662f MK |
1153 | function = (struct symbol *) arg->next->data.pointer; |
1154 | cleanups = (struct cleanup *) arg->next->next->data.pointer; | |
43ff13b4 | 1155 | |
c5aa993b | 1156 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
f941662f | 1157 | && function != NULL) |
43ff13b4 JM |
1158 | { |
1159 | struct type *value_type; | |
43ff13b4 | 1160 | int struct_return; |
f941662f | 1161 | int gcc_compiled; |
43ff13b4 JM |
1162 | |
1163 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1164 | if (!value_type) | |
8e65ff28 AC |
1165 | internal_error (__FILE__, __LINE__, |
1166 | "finish_command: function has no target type"); | |
c5aa993b | 1167 | |
43ff13b4 JM |
1168 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1169 | { | |
0d06e24b | 1170 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1171 | return; |
1172 | } | |
1173 | ||
f941662f MK |
1174 | CHECK_TYPEDEF (value_type); |
1175 | gcc_compiled = BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)); | |
1176 | struct_return = using_struct_return (value_type, gcc_compiled); | |
43ff13b4 | 1177 | |
11cf8741 | 1178 | print_return_value (struct_return, value_type); |
43ff13b4 | 1179 | } |
f941662f | 1180 | |
0d06e24b | 1181 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1182 | } |
1183 | ||
f941662f MK |
1184 | /* "finish": Set a temporary breakpoint at the place the selected |
1185 | frame will return to, then continue. */ | |
c906108c SS |
1186 | |
1187 | static void | |
fba45db2 | 1188 | finish_command (char *arg, int from_tty) |
c906108c SS |
1189 | { |
1190 | struct symtab_and_line sal; | |
52f0bd74 AC |
1191 | struct frame_info *frame; |
1192 | struct symbol *function; | |
c906108c SS |
1193 | struct breakpoint *breakpoint; |
1194 | struct cleanup *old_chain; | |
0d06e24b | 1195 | struct continuation_arg *arg1, *arg2, *arg3; |
43ff13b4 JM |
1196 | |
1197 | int async_exec = 0; | |
1198 | ||
f941662f | 1199 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1200 | if (arg != NULL) |
1201 | async_exec = strip_bg_char (&arg); | |
1202 | ||
1203 | /* If we must run in the background, but the target can't do it, | |
f941662f | 1204 | error out. */ |
6426a772 | 1205 | if (event_loop_p && async_exec && !target_can_async_p ()) |
43ff13b4 JM |
1206 | error ("Asynchronous execution not supported on this target."); |
1207 | ||
1208 | /* If we are not asked to run in the bg, then prepare to run in the | |
f941662f | 1209 | foreground, synchronously. */ |
6426a772 | 1210 | if (event_loop_p && !async_exec && target_can_async_p ()) |
c5aa993b | 1211 | { |
f941662f | 1212 | /* Simulate synchronous execution. */ |
6426a772 | 1213 | async_disable_stdin (); |
43ff13b4 | 1214 | } |
c906108c SS |
1215 | |
1216 | if (arg) | |
1217 | error ("The \"finish\" command does not take any arguments."); | |
1218 | if (!target_has_execution) | |
1219 | error ("The program is not running."); | |
6e7f8b9c | 1220 | if (deprecated_selected_frame == NULL) |
c906108c SS |
1221 | error ("No selected frame."); |
1222 | ||
6e7f8b9c | 1223 | frame = get_prev_frame (deprecated_selected_frame); |
c906108c SS |
1224 | if (frame == 0) |
1225 | error ("\"finish\" not meaningful in the outermost frame."); | |
1226 | ||
1227 | clear_proceed_status (); | |
1228 | ||
bdd78e62 AC |
1229 | sal = find_pc_line (get_frame_pc (frame), 0); |
1230 | sal.pc = get_frame_pc (frame); | |
c906108c | 1231 | |
818dd999 | 1232 | breakpoint = set_momentary_breakpoint (sal, get_frame_id (frame), bp_finish); |
c906108c | 1233 | |
6426a772 | 1234 | if (!event_loop_p || !target_can_async_p ()) |
4d6140d9 | 1235 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
43ff13b4 | 1236 | else |
4d6140d9 | 1237 | old_chain = make_exec_cleanup_delete_breakpoint (breakpoint); |
c906108c SS |
1238 | |
1239 | /* Find the function we will return from. */ | |
1240 | ||
bdd78e62 | 1241 | function = find_pc_function (get_frame_pc (deprecated_selected_frame)); |
c906108c | 1242 | |
f941662f MK |
1243 | /* Print info on the selected frame, including level number but not |
1244 | source. */ | |
c906108c SS |
1245 | if (from_tty) |
1246 | { | |
1247 | printf_filtered ("Run till exit from "); | |
0faf0076 | 1248 | print_stack_frame (get_selected_frame (), 1, LOCATION); |
c906108c SS |
1249 | } |
1250 | ||
43ff13b4 JM |
1251 | /* If running asynchronously and the target support asynchronous |
1252 | execution, set things up for the rest of the finish command to be | |
1253 | completed later on, when gdb has detected that the target has | |
f941662f | 1254 | stopped, in fetch_inferior_event. */ |
6426a772 | 1255 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1256 | { |
c5aa993b | 1257 | arg1 = |
43ff13b4 | 1258 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
c5aa993b | 1259 | arg2 = |
43ff13b4 | 1260 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
0d06e24b JM |
1261 | arg3 = |
1262 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
43ff13b4 | 1263 | arg1->next = arg2; |
0d06e24b JM |
1264 | arg2->next = arg3; |
1265 | arg3->next = NULL; | |
57e687d9 MS |
1266 | arg1->data.pointer = breakpoint; |
1267 | arg2->data.pointer = function; | |
1268 | arg3->data.pointer = old_chain; | |
43ff13b4 JM |
1269 | add_continuation (finish_command_continuation, arg1); |
1270 | } | |
1271 | ||
f941662f | 1272 | proceed_to_finish = 1; /* We want stop_registers, please... */ |
2acceee2 | 1273 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c | 1274 | |
43ff13b4 | 1275 | /* Do this only if not running asynchronously or if the target |
f941662f MK |
1276 | cannot do async execution. Otherwise, complete this command when |
1277 | the target actually stops, in fetch_inferior_event. */ | |
6426a772 | 1278 | if (!event_loop_p || !target_can_async_p ()) |
c5aa993b | 1279 | { |
f941662f | 1280 | /* Did we stop at our breakpoint? */ |
c5aa993b | 1281 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
f941662f | 1282 | && function != NULL) |
c5aa993b JM |
1283 | { |
1284 | struct type *value_type; | |
c5aa993b | 1285 | int struct_return; |
f941662f | 1286 | int gcc_compiled; |
c5aa993b JM |
1287 | |
1288 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1289 | if (!value_type) | |
8e65ff28 AC |
1290 | internal_error (__FILE__, __LINE__, |
1291 | "finish_command: function has no target type"); | |
c5aa993b | 1292 | |
f941662f | 1293 | /* FIXME: Shouldn't we do the cleanups before returning? */ |
c5aa993b JM |
1294 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1295 | return; | |
1296 | ||
f941662f MK |
1297 | CHECK_TYPEDEF (value_type); |
1298 | gcc_compiled = BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)); | |
1299 | struct_return = using_struct_return (value_type, gcc_compiled); | |
c5aa993b | 1300 | |
11cf8741 | 1301 | print_return_value (struct_return, value_type); |
c5aa993b | 1302 | } |
f941662f | 1303 | |
c5aa993b JM |
1304 | do_cleanups (old_chain); |
1305 | } | |
c906108c SS |
1306 | } |
1307 | \f | |
f941662f | 1308 | |
c906108c | 1309 | static void |
fba45db2 | 1310 | program_info (char *args, int from_tty) |
c906108c SS |
1311 | { |
1312 | bpstat bs = stop_bpstat; | |
1313 | int num = bpstat_num (&bs); | |
c5aa993b | 1314 | |
c906108c SS |
1315 | if (!target_has_execution) |
1316 | { | |
1317 | printf_filtered ("The program being debugged is not being run.\n"); | |
1318 | return; | |
1319 | } | |
1320 | ||
1321 | target_files_info (); | |
1322 | printf_filtered ("Program stopped at %s.\n", | |
c5aa993b | 1323 | local_hex_string ((unsigned long) stop_pc)); |
c906108c SS |
1324 | if (stop_step) |
1325 | printf_filtered ("It stopped after being stepped.\n"); | |
1326 | else if (num != 0) | |
1327 | { | |
1328 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1329 | isn't as strange as it seems. */ |
c906108c SS |
1330 | while (num != 0) |
1331 | { | |
1332 | if (num < 0) | |
1333 | { | |
1334 | printf_filtered ("It stopped at a breakpoint that has "); | |
1335 | printf_filtered ("since been deleted.\n"); | |
1336 | } | |
1337 | else | |
1338 | printf_filtered ("It stopped at breakpoint %d.\n", num); | |
1339 | num = bpstat_num (&bs); | |
1340 | } | |
1341 | } | |
1342 | else if (stop_signal != TARGET_SIGNAL_0) | |
1343 | { | |
1344 | printf_filtered ("It stopped with signal %s, %s.\n", | |
1345 | target_signal_to_name (stop_signal), | |
1346 | target_signal_to_string (stop_signal)); | |
1347 | } | |
1348 | ||
1349 | if (!from_tty) | |
1350 | { | |
1351 | printf_filtered ("Type \"info stack\" or \"info registers\" "); | |
1352 | printf_filtered ("for more information.\n"); | |
1353 | } | |
1354 | } | |
1355 | \f | |
1356 | static void | |
fba45db2 | 1357 | environment_info (char *var, int from_tty) |
c906108c SS |
1358 | { |
1359 | if (var) | |
1360 | { | |
aa1ee363 | 1361 | char *val = get_in_environ (inferior_environ, var); |
c906108c SS |
1362 | if (val) |
1363 | { | |
1364 | puts_filtered (var); | |
1365 | puts_filtered (" = "); | |
1366 | puts_filtered (val); | |
1367 | puts_filtered ("\n"); | |
1368 | } | |
1369 | else | |
1370 | { | |
1371 | puts_filtered ("Environment variable \""); | |
1372 | puts_filtered (var); | |
1373 | puts_filtered ("\" not defined.\n"); | |
1374 | } | |
1375 | } | |
1376 | else | |
1377 | { | |
aa1ee363 | 1378 | char **vector = environ_vector (inferior_environ); |
c906108c SS |
1379 | while (*vector) |
1380 | { | |
1381 | puts_filtered (*vector++); | |
1382 | puts_filtered ("\n"); | |
1383 | } | |
1384 | } | |
1385 | } | |
1386 | ||
1387 | static void | |
fba45db2 | 1388 | set_environment_command (char *arg, int from_tty) |
c906108c | 1389 | { |
52f0bd74 | 1390 | char *p, *val, *var; |
c906108c SS |
1391 | int nullset = 0; |
1392 | ||
1393 | if (arg == 0) | |
1394 | error_no_arg ("environment variable and value"); | |
1395 | ||
1396 | /* Find seperation between variable name and value */ | |
1397 | p = (char *) strchr (arg, '='); | |
1398 | val = (char *) strchr (arg, ' '); | |
1399 | ||
1400 | if (p != 0 && val != 0) | |
1401 | { | |
1402 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1403 | equals, walk forward over the spaces til we see a nonspace |
1404 | (possibly the equals). */ | |
c906108c SS |
1405 | if (p > val) |
1406 | while (*val == ' ') | |
1407 | val++; | |
1408 | ||
1409 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1410 | take the char following the spaces. */ |
c906108c SS |
1411 | if (p > val) |
1412 | p = val - 1; | |
1413 | } | |
1414 | else if (val != 0 && p == 0) | |
1415 | p = val; | |
1416 | ||
1417 | if (p == arg) | |
1418 | error_no_arg ("environment variable to set"); | |
1419 | ||
1420 | if (p == 0 || p[1] == 0) | |
1421 | { | |
1422 | nullset = 1; | |
1423 | if (p == 0) | |
1424 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1425 | } | |
1426 | else | |
1427 | { | |
1428 | /* Not setting variable value to null */ | |
1429 | val = p + 1; | |
1430 | while (*val == ' ' || *val == '\t') | |
1431 | val++; | |
1432 | } | |
1433 | ||
c5aa993b JM |
1434 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1435 | p--; | |
c906108c SS |
1436 | |
1437 | var = savestring (arg, p - arg); | |
1438 | if (nullset) | |
1439 | { | |
1440 | printf_filtered ("Setting environment variable "); | |
1441 | printf_filtered ("\"%s\" to null value.\n", var); | |
1442 | set_in_environ (inferior_environ, var, ""); | |
1443 | } | |
1444 | else | |
1445 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1446 | xfree (var); |
c906108c SS |
1447 | } |
1448 | ||
1449 | static void | |
fba45db2 | 1450 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1451 | { |
1452 | if (var == 0) | |
1453 | { | |
1454 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1455 | Ask for confirmation if reading from the terminal. */ |
c906108c SS |
1456 | if (!from_tty || query ("Delete all environment variables? ")) |
1457 | { | |
1458 | free_environ (inferior_environ); | |
1459 | inferior_environ = make_environ (); | |
1460 | } | |
1461 | } | |
1462 | else | |
1463 | unset_in_environ (inferior_environ, var); | |
1464 | } | |
1465 | ||
1466 | /* Handle the execution path (PATH variable) */ | |
1467 | ||
1468 | static const char path_var_name[] = "PATH"; | |
1469 | ||
c906108c | 1470 | static void |
fba45db2 | 1471 | path_info (char *args, int from_tty) |
c906108c SS |
1472 | { |
1473 | puts_filtered ("Executable and object file path: "); | |
1474 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1475 | puts_filtered ("\n"); | |
1476 | } | |
1477 | ||
1478 | /* Add zero or more directories to the front of the execution path. */ | |
1479 | ||
1480 | static void | |
fba45db2 | 1481 | path_command (char *dirname, int from_tty) |
c906108c SS |
1482 | { |
1483 | char *exec_path; | |
1484 | char *env; | |
1485 | dont_repeat (); | |
1486 | env = get_in_environ (inferior_environ, path_var_name); | |
1487 | /* Can be null if path is not set */ | |
1488 | if (!env) | |
1489 | env = ""; | |
4fcf66da | 1490 | exec_path = xstrdup (env); |
c906108c SS |
1491 | mod_path (dirname, &exec_path); |
1492 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1493 | xfree (exec_path); |
c906108c | 1494 | if (from_tty) |
c5aa993b | 1495 | path_info ((char *) NULL, from_tty); |
c906108c | 1496 | } |
c906108c | 1497 | \f |
c5aa993b | 1498 | |
4782dc19 | 1499 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1500 | registers (print_all == 1) or all non-float and non-vector |
1501 | registers (print_all == 0). | |
c906108c SS |
1502 | |
1503 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1504 | register(s) one per line is good enough. If a different format is |
1505 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1506 | regs), or there is an existing convention for showing all the | |
1507 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1508 | provide that format. */ | |
c906108c | 1509 | |
666e11c5 | 1510 | void |
0ab7a791 AC |
1511 | default_print_registers_info (struct gdbarch *gdbarch, |
1512 | struct ui_file *file, | |
1513 | struct frame_info *frame, | |
1514 | int regnum, int print_all) | |
c906108c | 1515 | { |
0ab7a791 AC |
1516 | int i; |
1517 | const int numregs = NUM_REGS + NUM_PSEUDO_REGS; | |
0c92afe8 AC |
1518 | char raw_buffer[MAX_REGISTER_SIZE]; |
1519 | char virtual_buffer[MAX_REGISTER_SIZE]; | |
0ab7a791 | 1520 | |
903ad3a6 | 1521 | if (DEPRECATED_DO_REGISTERS_INFO_P ()) |
0ab7a791 | 1522 | { |
903ad3a6 | 1523 | DEPRECATED_DO_REGISTERS_INFO (regnum, print_all); |
0ab7a791 AC |
1524 | return; |
1525 | } | |
c906108c SS |
1526 | |
1527 | for (i = 0; i < numregs; i++) | |
1528 | { | |
4782dc19 AC |
1529 | /* Decide between printing all regs, non-float / vector regs, or |
1530 | specific reg. */ | |
c5aa993b JM |
1531 | if (regnum == -1) |
1532 | { | |
f9418c0f | 1533 | if (print_all) |
4782dc19 | 1534 | { |
f9418c0f | 1535 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1536 | continue; |
f9418c0f AC |
1537 | } |
1538 | else | |
1539 | { | |
1540 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1541 | continue; |
1542 | } | |
c5aa993b JM |
1543 | } |
1544 | else | |
1545 | { | |
1546 | if (i != regnum) | |
1547 | continue; | |
1548 | } | |
c906108c SS |
1549 | |
1550 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1551 | processor, so don't display anything. */ |
c906108c SS |
1552 | if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0') |
1553 | continue; | |
1554 | ||
0ab7a791 AC |
1555 | fputs_filtered (REGISTER_NAME (i), file); |
1556 | print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file); | |
c906108c SS |
1557 | |
1558 | /* Get the data in raw format. */ | |
0ab7a791 | 1559 | if (! frame_register_read (frame, i, raw_buffer)) |
c906108c | 1560 | { |
0ab7a791 | 1561 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1562 | continue; |
1563 | } | |
1564 | ||
0ab7a791 AC |
1565 | /* FIXME: cagney/2002-08-03: This code shouldn't be necessary. |
1566 | The function frame_register_read() should have returned the | |
1567 | pre-cooked register so no conversion is necessary. */ | |
c906108c | 1568 | /* Convert raw data to virtual format if necessary. */ |
cd0bfa36 AC |
1569 | if (DEPRECATED_REGISTER_CONVERTIBLE_P () |
1570 | && DEPRECATED_REGISTER_CONVERTIBLE (i)) | |
c906108c | 1571 | { |
781a750d | 1572 | DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL (i, register_type (current_gdbarch, i), |
c906108c SS |
1573 | raw_buffer, virtual_buffer); |
1574 | } | |
1575 | else | |
392a587b JM |
1576 | { |
1577 | memcpy (virtual_buffer, raw_buffer, | |
f30992d4 | 1578 | DEPRECATED_REGISTER_VIRTUAL_SIZE (i)); |
392a587b | 1579 | } |
c906108c | 1580 | |
0ab7a791 AC |
1581 | /* If virtual format is floating, print it that way, and in raw |
1582 | hex. */ | |
7b83296f | 1583 | if (TYPE_CODE (register_type (current_gdbarch, i)) == TYPE_CODE_FLT) |
c906108c | 1584 | { |
0ab7a791 | 1585 | int j; |
c906108c | 1586 | |
7b83296f | 1587 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
0ab7a791 | 1588 | file, 0, 1, 0, Val_pretty_default); |
c906108c | 1589 | |
0ab7a791 | 1590 | fprintf_filtered (file, "\t(raw 0x"); |
12c266ea | 1591 | for (j = 0; j < DEPRECATED_REGISTER_RAW_SIZE (i); j++) |
c906108c | 1592 | { |
0ab7a791 AC |
1593 | int idx; |
1594 | if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) | |
1595 | idx = j; | |
1596 | else | |
12c266ea | 1597 | idx = DEPRECATED_REGISTER_RAW_SIZE (i) - 1 - j; |
0ab7a791 | 1598 | fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]); |
c906108c | 1599 | } |
0ab7a791 | 1600 | fprintf_filtered (file, ")"); |
c906108c | 1601 | } |
c906108c SS |
1602 | else |
1603 | { | |
ab4327e0 | 1604 | /* Print the register in hex. */ |
7b83296f | 1605 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
9d84ac84 | 1606 | file, 'x', 1, 0, Val_pretty_default); |
ab4327e0 EZ |
1607 | /* If not a vector register, print it also according to its |
1608 | natural format. */ | |
7b83296f | 1609 | if (TYPE_VECTOR (register_type (current_gdbarch, i)) == 0) |
ab4327e0 | 1610 | { |
9d84ac84 | 1611 | fprintf_filtered (file, "\t"); |
7b83296f | 1612 | val_print (register_type (current_gdbarch, i), virtual_buffer, 0, 0, |
9d84ac84 | 1613 | file, 0, 1, 0, Val_pretty_default); |
ab4327e0 | 1614 | } |
c906108c SS |
1615 | } |
1616 | ||
0ab7a791 | 1617 | fprintf_filtered (file, "\n"); |
c906108c SS |
1618 | } |
1619 | } | |
c906108c | 1620 | |
c906108c | 1621 | void |
fba45db2 | 1622 | registers_info (char *addr_exp, int fpregs) |
c906108c SS |
1623 | { |
1624 | int regnum, numregs; | |
52f0bd74 | 1625 | char *end; |
c906108c SS |
1626 | |
1627 | if (!target_has_registers) | |
1628 | error ("The program has no registers now."); | |
6e7f8b9c | 1629 | if (deprecated_selected_frame == NULL) |
c906108c SS |
1630 | error ("No selected frame."); |
1631 | ||
1632 | if (!addr_exp) | |
1633 | { | |
0ab7a791 | 1634 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, |
6e7f8b9c | 1635 | deprecated_selected_frame, -1, fpregs); |
c906108c SS |
1636 | return; |
1637 | } | |
1638 | ||
f9418c0f | 1639 | while (*addr_exp != '\0') |
c5aa993b | 1640 | { |
f9418c0f AC |
1641 | char *start; |
1642 | const char *end; | |
c906108c | 1643 | |
f9418c0f AC |
1644 | /* Keep skipping leading white space. */ |
1645 | if (isspace ((*addr_exp))) | |
1646 | { | |
1647 | addr_exp++; | |
1648 | continue; | |
1649 | } | |
c906108c | 1650 | |
f9418c0f AC |
1651 | /* Discard any leading ``$''. Check that there is something |
1652 | resembling a register following it. */ | |
1653 | if (addr_exp[0] == '$') | |
1654 | addr_exp++; | |
1655 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
1656 | error ("Missing register name"); | |
c906108c | 1657 | |
f9418c0f AC |
1658 | /* Find the start/end of this register name/num/group. */ |
1659 | start = addr_exp; | |
1660 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1661 | addr_exp++; | |
1662 | end = addr_exp; | |
1663 | ||
1664 | /* Figure out what we've found and display it. */ | |
1665 | ||
1666 | /* A register name? */ | |
1667 | { | |
eb8bc282 AC |
1668 | int regnum = frame_map_name_to_regnum (deprecated_selected_frame, |
1669 | start, end - start); | |
f9418c0f AC |
1670 | if (regnum >= 0) |
1671 | { | |
1672 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1673 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1674 | continue; |
1675 | } | |
1676 | } | |
1677 | ||
1678 | /* A register number? (how portable is this one?). */ | |
1679 | { | |
1680 | char *endptr; | |
1681 | int regnum = strtol (start, &endptr, 0); | |
1682 | if (endptr == end | |
1683 | && regnum >= 0 | |
1684 | && regnum < NUM_REGS + NUM_PSEUDO_REGS) | |
1685 | { | |
1686 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1687 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1688 | continue; |
1689 | } | |
1690 | } | |
1691 | ||
1692 | /* A register group? */ | |
1693 | { | |
6c7d17ba AC |
1694 | struct reggroup *group; |
1695 | for (group = reggroup_next (current_gdbarch, NULL); | |
1696 | group != NULL; | |
1697 | group = reggroup_next (current_gdbarch, group)) | |
f9418c0f AC |
1698 | { |
1699 | /* Don't bother with a length check. Should the user | |
1700 | enter a short register group name, go with the first | |
1701 | group that matches. */ | |
6c7d17ba | 1702 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
1703 | break; |
1704 | } | |
6c7d17ba | 1705 | if (group != NULL) |
f9418c0f AC |
1706 | { |
1707 | int regnum; | |
1708 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) | |
1709 | { | |
1710 | if (gdbarch_register_reggroup_p (current_gdbarch, regnum, | |
6c7d17ba | 1711 | group)) |
f9418c0f | 1712 | gdbarch_print_registers_info (current_gdbarch, |
6e7f8b9c | 1713 | gdb_stdout, deprecated_selected_frame, |
f9418c0f AC |
1714 | regnum, fpregs); |
1715 | } | |
1716 | continue; | |
1717 | } | |
1718 | } | |
c906108c | 1719 | |
f9418c0f AC |
1720 | /* Nothing matched. */ |
1721 | error ("Invalid register `%.*s'", (int) (end - start), start); | |
c5aa993b | 1722 | } |
c906108c SS |
1723 | } |
1724 | ||
1725 | void | |
fba45db2 | 1726 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1727 | { |
1728 | registers_info (addr_exp, 1); | |
1729 | } | |
1730 | ||
a58dd373 | 1731 | static void |
fba45db2 | 1732 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1733 | { |
1734 | registers_info (addr_exp, 0); | |
1735 | } | |
e76f1f2e AC |
1736 | |
1737 | static void | |
1738 | print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, | |
1739 | struct frame_info *frame, const char *args) | |
1740 | { | |
e71ecd70 MK |
1741 | if (!target_has_registers) |
1742 | error ("The program has no registers now."); | |
6e7f8b9c | 1743 | if (deprecated_selected_frame == NULL) |
e71ecd70 MK |
1744 | error ("No selected frame."); |
1745 | ||
e76f1f2e AC |
1746 | if (gdbarch_print_vector_info_p (gdbarch)) |
1747 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
1748 | else | |
1749 | { | |
1750 | int regnum; | |
1751 | int printed_something = 0; | |
ab4327e0 | 1752 | |
e76f1f2e AC |
1753 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1754 | { | |
f9418c0f | 1755 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
1756 | { |
1757 | printed_something = 1; | |
e76f1f2e | 1758 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
1759 | } |
1760 | } | |
1761 | if (!printed_something) | |
1762 | fprintf_filtered (file, "No vector information\n"); | |
1763 | } | |
1764 | } | |
1765 | ||
1766 | static void | |
1767 | vector_info (char *args, int from_tty) | |
1768 | { | |
6e7f8b9c | 1769 | print_vector_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args); |
e76f1f2e | 1770 | } |
c906108c | 1771 | \f |
c5aa993b | 1772 | |
c906108c SS |
1773 | /* |
1774 | * TODO: | |
1775 | * Should save/restore the tty state since it might be that the | |
1776 | * program to be debugged was started on this tty and it wants | |
1777 | * the tty in some state other than what we want. If it's running | |
1778 | * on another terminal or without a terminal, then saving and | |
1779 | * restoring the tty state is a harmless no-op. | |
1780 | * This only needs to be done if we are attaching to a process. | |
1781 | */ | |
1782 | ||
1783 | /* | |
1784 | attach_command -- | |
1785 | takes a program started up outside of gdb and ``attaches'' to it. | |
1786 | This stops it cold in its tracks and allows us to start debugging it. | |
1787 | and wait for the trace-trap that results from attaching. */ | |
1788 | ||
1789 | void | |
fba45db2 | 1790 | attach_command (char *args, int from_tty) |
c906108c | 1791 | { |
c5aa993b JM |
1792 | char *exec_file; |
1793 | char *full_exec_path = NULL; | |
c906108c | 1794 | |
c5aa993b | 1795 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1796 | |
1797 | if (target_has_execution) | |
1798 | { | |
1799 | if (query ("A program is being debugged already. Kill it? ")) | |
1800 | target_kill (); | |
1801 | else | |
1802 | error ("Not killed."); | |
1803 | } | |
1804 | ||
1805 | target_attach (args, from_tty); | |
1806 | ||
1807 | /* Set up the "saved terminal modes" of the inferior | |
1808 | based on what modes we are starting it with. */ | |
1809 | target_terminal_init (); | |
1810 | ||
1811 | /* Install inferior's terminal modes. */ | |
1812 | target_terminal_inferior (); | |
1813 | ||
1814 | /* Set up execution context to know that we should return from | |
1815 | wait_for_inferior as soon as the target reports a stop. */ | |
1816 | init_wait_for_inferior (); | |
1817 | clear_proceed_status (); | |
c906108c SS |
1818 | |
1819 | /* No traps are generated when attaching to inferior under Mach 3 | |
1820 | or GNU hurd. */ | |
1821 | #ifndef ATTACH_NO_WAIT | |
c54cfec8 EZ |
1822 | /* Careful here. See comments in inferior.h. Basically some OSes |
1823 | don't ignore SIGSTOPs on continue requests anymore. We need a | |
1824 | way for handle_inferior_event to reset the stop_signal variable | |
1825 | after an attach, and this is what STOP_QUIETLY_NO_SIGSTOP is for. */ | |
c0236d92 | 1826 | stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c906108c | 1827 | wait_for_inferior (); |
c0236d92 | 1828 | stop_soon = NO_STOP_QUIETLY; |
c906108c SS |
1829 | #endif |
1830 | ||
1831 | /* | |
1832 | * If no exec file is yet known, try to determine it from the | |
1833 | * process itself. | |
1834 | */ | |
1835 | exec_file = (char *) get_exec_file (0); | |
c5aa993b JM |
1836 | if (!exec_file) |
1837 | { | |
39f77062 | 1838 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); |
c5aa993b JM |
1839 | if (exec_file) |
1840 | { | |
1841 | /* It's possible we don't have a full path, but rather just a | |
1842 | filename. Some targets, such as HP-UX, don't provide the | |
1843 | full path, sigh. | |
1844 | ||
1845 | Attempt to qualify the filename against the source path. | |
1846 | (If that fails, we'll just fall back on the original | |
1847 | filename. Not much more we can do...) | |
1848 | */ | |
1849 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1850 | full_exec_path = savestring (exec_file, strlen (exec_file)); | |
1851 | ||
1852 | exec_file_attach (full_exec_path, from_tty); | |
1adeb98a | 1853 | symbol_file_add_main (full_exec_path, from_tty); |
c5aa993b | 1854 | } |
c906108c | 1855 | } |
63ed89b4 DJ |
1856 | else |
1857 | { | |
1858 | reopen_exec_file (); | |
1859 | reread_symbols (); | |
1860 | } | |
c906108c SS |
1861 | |
1862 | #ifdef SOLIB_ADD | |
990f9fe3 FF |
1863 | /* Add shared library symbols from the newly attached process, if any. */ |
1864 | SOLIB_ADD ((char *) 0, from_tty, ¤t_target, auto_solib_add); | |
1865 | re_enable_breakpoints_in_shlibs (); | |
c906108c SS |
1866 | #endif |
1867 | ||
1868 | /* Take any necessary post-attaching actions for this platform. | |
c5aa993b | 1869 | */ |
39f77062 | 1870 | target_post_attach (PIDGET (inferior_ptid)); |
c906108c SS |
1871 | |
1872 | normal_stop (); | |
6426a772 | 1873 | |
9a4105ab AC |
1874 | if (deprecated_attach_hook) |
1875 | deprecated_attach_hook (); | |
c906108c SS |
1876 | } |
1877 | ||
1878 | /* | |
1879 | * detach_command -- | |
1880 | * takes a program previously attached to and detaches it. | |
1881 | * The program resumes execution and will no longer stop | |
1882 | * on signals, etc. We better not have left any breakpoints | |
1883 | * in the program or it'll die when it hits one. For this | |
1884 | * to work, it may be necessary for the process to have been | |
1885 | * previously attached. It *might* work if the program was | |
1886 | * started via the normal ptrace (PTRACE_TRACEME). | |
1887 | */ | |
1888 | ||
1889 | static void | |
fba45db2 | 1890 | detach_command (char *args, int from_tty) |
c906108c | 1891 | { |
c5aa993b | 1892 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1893 | target_detach (args, from_tty); |
1894 | #if defined(SOLIB_RESTART) | |
1895 | SOLIB_RESTART (); | |
1896 | #endif | |
9a4105ab AC |
1897 | if (deprecated_detach_hook) |
1898 | deprecated_detach_hook (); | |
c906108c SS |
1899 | } |
1900 | ||
6ad8ae5c DJ |
1901 | /* Disconnect from the current target without resuming it (leaving it |
1902 | waiting for a debugger). | |
1903 | ||
1904 | We'd better not have left any breakpoints in the program or the | |
1905 | next debugger will get confused. Currently only supported for some | |
1906 | remote targets, since the normal attach mechanisms don't work on | |
1907 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
1908 | ||
1909 | static void | |
1910 | disconnect_command (char *args, int from_tty) | |
1911 | { | |
1912 | dont_repeat (); /* Not for the faint of heart */ | |
1913 | target_disconnect (args, from_tty); | |
1914 | #if defined(SOLIB_RESTART) | |
1915 | SOLIB_RESTART (); | |
1916 | #endif | |
9a4105ab AC |
1917 | if (deprecated_detach_hook) |
1918 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
1919 | } |
1920 | ||
43ff13b4 JM |
1921 | /* Stop the execution of the target while running in async mode, in |
1922 | the backgound. */ | |
8b93c638 | 1923 | void |
fba45db2 | 1924 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 1925 | { |
6426a772 | 1926 | if (event_loop_p && target_can_async_p ()) |
43ff13b4 | 1927 | { |
c5aa993b | 1928 | dont_repeat (); /* Not for the faint of heart */ |
43ff13b4 JM |
1929 | target_stop (); |
1930 | } | |
1931 | } | |
1932 | ||
c906108c | 1933 | static void |
23e3a7ac AC |
1934 | print_float_info (struct gdbarch *gdbarch, struct ui_file *file, |
1935 | struct frame_info *frame, const char *args) | |
c906108c | 1936 | { |
e71ecd70 MK |
1937 | if (!target_has_registers) |
1938 | error ("The program has no registers now."); | |
6e7f8b9c | 1939 | if (deprecated_selected_frame == NULL) |
e71ecd70 MK |
1940 | error ("No selected frame."); |
1941 | ||
23e3a7ac AC |
1942 | if (gdbarch_print_float_info_p (gdbarch)) |
1943 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
1944 | else | |
1945 | { | |
23e3a7ac AC |
1946 | int regnum; |
1947 | int printed_something = 0; | |
ab4327e0 | 1948 | |
23e3a7ac AC |
1949 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1950 | { | |
f9418c0f | 1951 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
1952 | { |
1953 | printed_something = 1; | |
23e3a7ac | 1954 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
1955 | } |
1956 | } | |
1957 | if (!printed_something) | |
1958 | fprintf_filtered (file, "\ | |
1959 | No floating-point info available for this processor.\n"); | |
23e3a7ac AC |
1960 | } |
1961 | } | |
1962 | ||
1963 | static void | |
1964 | float_info (char *args, int from_tty) | |
1965 | { | |
6e7f8b9c | 1966 | print_float_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args); |
c906108c SS |
1967 | } |
1968 | \f | |
c906108c | 1969 | static void |
fba45db2 | 1970 | unset_command (char *args, int from_tty) |
c906108c SS |
1971 | { |
1972 | printf_filtered ("\"unset\" must be followed by the name of "); | |
1973 | printf_filtered ("an unset subcommand.\n"); | |
1974 | help_list (unsetlist, "unset ", -1, gdb_stdout); | |
1975 | } | |
1976 | ||
1977 | void | |
fba45db2 | 1978 | _initialize_infcmd (void) |
c906108c SS |
1979 | { |
1980 | struct cmd_list_element *c; | |
c5aa993b | 1981 | |
c94fdfd0 EZ |
1982 | c = add_com ("tty", class_run, tty_command, |
1983 | "Set terminal for future runs of program being debugged."); | |
5ba2abeb | 1984 | set_cmd_completer (c, filename_completer); |
c906108c | 1985 | |
fa58ee11 EZ |
1986 | c = add_set_cmd ("args", class_run, var_string_noescape, |
1987 | (char *) &inferior_args, | |
1988 | "Set argument list to give program being debugged when it is started.\n\ | |
c906108c | 1989 | Follow this command with any number of args, to be passed to the program.", |
fa58ee11 | 1990 | &setlist); |
5ba2abeb | 1991 | set_cmd_completer (c, filename_completer); |
9f60d481 | 1992 | set_cmd_sfunc (c, notice_args_set); |
552c04a7 | 1993 | c = add_show_from_set (c, &showlist); |
9f60d481 | 1994 | set_cmd_sfunc (c, notice_args_read); |
c906108c SS |
1995 | |
1996 | c = add_cmd | |
1997 | ("environment", no_class, environment_info, | |
1998 | "The environment to give the program, or one variable's value.\n\ | |
1999 | With an argument VAR, prints the value of environment variable VAR to\n\ | |
2000 | give the program being debugged. With no arguments, prints the entire\n\ | |
2001 | environment to be given to the program.", &showlist); | |
5ba2abeb | 2002 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2003 | |
2004 | add_prefix_cmd ("unset", no_class, unset_command, | |
d4654627 | 2005 | "Complement to certain \"set\" commands.", |
c906108c | 2006 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2007 | |
c906108c | 2008 | c = add_cmd ("environment", class_run, unset_environment_command, |
c5aa993b | 2009 | "Cancel environment variable VAR for the program.\n\ |
c906108c | 2010 | This does not affect the program until the next \"run\" command.", |
c5aa993b | 2011 | &unsetlist); |
5ba2abeb | 2012 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2013 | |
2014 | c = add_cmd ("environment", class_run, set_environment_command, | |
2015 | "Set environment variable value to give the program.\n\ | |
2016 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ | |
2017 | VALUES of environment variables are uninterpreted strings.\n\ | |
2018 | This does not affect the program until the next \"run\" command.", | |
c5aa993b | 2019 | &setlist); |
5ba2abeb | 2020 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2021 | |
fa58ee11 EZ |
2022 | c = add_com ("path", class_files, path_command, |
2023 | "Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2024 | $cwd in the path means the current working directory.\n\ |
2025 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2026 | directories, separated by colons. These directories are searched to find\n\ | |
2027 | fully linked executable files and separately compiled object files as needed."); | |
5ba2abeb | 2028 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2029 | |
2030 | c = add_cmd ("paths", no_class, path_info, | |
c5aa993b | 2031 | "Current search path for finding object files.\n\ |
c906108c SS |
2032 | $cwd in the path means the current working directory.\n\ |
2033 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2034 | directories, separated by colons. These directories are searched to find\n\ | |
2035 | fully linked executable files and separately compiled object files as needed.", | |
2036 | &showlist); | |
5ba2abeb | 2037 | set_cmd_completer (c, noop_completer); |
c906108c | 2038 | |
c5aa993b JM |
2039 | add_com ("attach", class_run, attach_command, |
2040 | "Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2041 | This command attaches to another target, of the same type as your last\n\ |
2042 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2043 | The command may take as argument a process id or a device file.\n\ | |
2044 | For a process id, you must have permission to send the process a signal,\n\ | |
2045 | and it must have the same effective uid as the debugger.\n\ | |
2046 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2047 | program running in the process, looking first in the current working\n\ | |
2048 | directory, or (if not found there) using the source file search path\n\ | |
2049 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
2050 | to specify the program, and to load its symbol table."); | |
2051 | ||
2052 | add_com ("detach", class_run, detach_command, | |
2053 | "Detach a process or file previously attached.\n\ | |
2054 | If a process, it is no longer traced, and it continues its execution. If\n\ | |
2055 | you were debugging a file, the file is closed and gdb no longer accesses it."); | |
2056 | ||
6ad8ae5c DJ |
2057 | add_com ("disconnect", class_run, disconnect_command, |
2058 | "Disconnect from a target.\n\ | |
2059 | The target will wait for another debugger to connect. Not available for\n\ | |
2060 | all targets."); | |
2061 | ||
c906108c SS |
2062 | add_com ("signal", class_run, signal_command, |
2063 | "Continue program giving it signal specified by the argument.\n\ | |
2064 | An argument of \"0\" means continue program without giving it a signal."); | |
2065 | ||
2066 | add_com ("stepi", class_run, stepi_command, | |
2067 | "Step one instruction exactly.\n\ | |
2068 | Argument N means do this N times (or till program stops for another reason)."); | |
2069 | add_com_alias ("si", "stepi", class_alias, 0); | |
2070 | ||
2071 | add_com ("nexti", class_run, nexti_command, | |
2072 | "Step one instruction, but proceed through subroutine calls.\n\ | |
2073 | Argument N means do this N times (or till program stops for another reason)."); | |
2074 | add_com_alias ("ni", "nexti", class_alias, 0); | |
2075 | ||
2076 | add_com ("finish", class_run, finish_command, | |
2077 | "Execute until selected stack frame returns.\n\ | |
2078 | Upon return, the value returned is printed and put in the value history."); | |
2079 | ||
2080 | add_com ("next", class_run, next_command, | |
2081 | "Step program, proceeding through subroutine calls.\n\ | |
2082 | Like the \"step\" command as long as subroutine calls do not happen;\n\ | |
2083 | when they do, the call is treated as one instruction.\n\ | |
2084 | Argument N means do this N times (or till program stops for another reason)."); | |
2085 | add_com_alias ("n", "next", class_run, 1); | |
2086 | if (xdb_commands) | |
c5aa993b | 2087 | add_com_alias ("S", "next", class_run, 1); |
c906108c SS |
2088 | |
2089 | add_com ("step", class_run, step_command, | |
2090 | "Step program until it reaches a different source line.\n\ | |
2091 | Argument N means do this N times (or till program stops for another reason)."); | |
2092 | add_com_alias ("s", "step", class_run, 1); | |
2093 | ||
c94fdfd0 EZ |
2094 | c = add_com ("until", class_run, until_command, |
2095 | "Execute until the program reaches a source line greater than the current\n\ | |
ae66c1fc | 2096 | or a specified location (same args as break command) within the current frame."); |
5ba2abeb | 2097 | set_cmd_completer (c, location_completer); |
c906108c | 2098 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2099 | |
ae66c1fc EZ |
2100 | c = add_com ("advance", class_run, advance_command, |
2101 | "Continue the program up to the given location (same form as args for break command).\n\ | |
2102 | Execution will also stop upon exit from the current stack frame."); | |
2103 | set_cmd_completer (c, location_completer); | |
2104 | ||
c94fdfd0 EZ |
2105 | c = add_com ("jump", class_run, jump_command, |
2106 | "Continue program being debugged at specified line or address.\n\ | |
c906108c SS |
2107 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
2108 | for an address to start at."); | |
5ba2abeb | 2109 | set_cmd_completer (c, location_completer); |
c906108c | 2110 | |
b83266a0 | 2111 | if (xdb_commands) |
c94fdfd0 EZ |
2112 | { |
2113 | c = add_com ("go", class_run, go_command, | |
2114 | "Usage: go <location>\n\ | |
c906108c SS |
2115 | Continue program being debugged, stopping at specified line or \n\ |
2116 | address.\n\ | |
2117 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2118 | expression for an address to start at.\n\ | |
2119 | This command is a combination of tbreak and jump."); | |
5ba2abeb | 2120 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2121 | } |
b83266a0 | 2122 | |
c906108c | 2123 | if (xdb_commands) |
c5aa993b | 2124 | add_com_alias ("g", "go", class_run, 1); |
c906108c SS |
2125 | |
2126 | add_com ("continue", class_run, continue_command, | |
2127 | "Continue program being debugged, after signal or breakpoint.\n\ | |
2128 | If proceeding from breakpoint, a number N may be used as an argument,\n\ | |
2129 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
2130 | the breakpoint won't break until the Nth time it is reached)."); | |
2131 | add_com_alias ("c", "cont", class_run, 1); | |
2132 | add_com_alias ("fg", "cont", class_run, 1); | |
2133 | ||
fa58ee11 | 2134 | c = add_com ("run", class_run, run_command, |
c906108c SS |
2135 | "Start debugged program. You may specify arguments to give it.\n\ |
2136 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ | |
2137 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2138 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2139 | To cancel previous arguments and run with no arguments,\n\ | |
2140 | use \"set args\" without arguments."); | |
5ba2abeb | 2141 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2142 | add_com_alias ("r", "run", class_run, 1); |
2143 | if (xdb_commands) | |
2144 | add_com ("R", class_run, run_no_args_command, | |
c5aa993b | 2145 | "Start debugged program with no arguments."); |
c906108c | 2146 | |
43ff13b4 JM |
2147 | add_com ("interrupt", class_run, interrupt_target_command, |
2148 | "Interrupt the execution of the debugged program."); | |
2149 | ||
c906108c | 2150 | add_info ("registers", nofp_registers_info, |
c5aa993b | 2151 | "List of integer registers and their contents, for selected stack frame.\n\ |
c906108c | 2152 | Register name as argument means describe only that register."); |
7194c49b | 2153 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2154 | |
2155 | if (xdb_commands) | |
c5aa993b JM |
2156 | add_com ("lr", class_info, nofp_registers_info, |
2157 | "List of integer registers and their contents, for selected stack frame.\n\ | |
c906108c SS |
2158 | Register name as argument means describe only that register."); |
2159 | add_info ("all-registers", all_registers_info, | |
c5aa993b | 2160 | "List of all registers and their contents, for selected stack frame.\n\ |
c906108c SS |
2161 | Register name as argument means describe only that register."); |
2162 | ||
2163 | add_info ("program", program_info, | |
2164 | "Execution status of the program."); | |
2165 | ||
2166 | add_info ("float", float_info, | |
2167 | "Print the status of the floating point unit\n"); | |
2168 | ||
e76f1f2e AC |
2169 | add_info ("vector", vector_info, |
2170 | "Print the status of the vector unit\n"); | |
2171 | ||
c906108c SS |
2172 | inferior_environ = make_environ (); |
2173 | init_environ (inferior_environ); | |
2174 | } |