Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 2 | |
197e01b6 | 3 | Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, |
281b533b | 4 | 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 |
c906108c SS |
5 | Free Software Foundation, Inc. |
6 | ||
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b JM |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
21 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
22 | Boston, MA 02110-1301, USA. */ | |
c906108c SS |
23 | |
24 | #include "defs.h" | |
25 | #include <signal.h> | |
26 | #include "gdb_string.h" | |
27 | #include "symtab.h" | |
28 | #include "gdbtypes.h" | |
29 | #include "frame.h" | |
30 | #include "inferior.h" | |
31 | #include "environ.h" | |
32 | #include "value.h" | |
33 | #include "gdbcmd.h" | |
1adeb98a | 34 | #include "symfile.h" |
c906108c SS |
35 | #include "gdbcore.h" |
36 | #include "target.h" | |
37 | #include "language.h" | |
38 | #include "symfile.h" | |
39 | #include "objfiles.h" | |
c94fdfd0 | 40 | #include "completer.h" |
8b93c638 | 41 | #include "ui-out.h" |
6426a772 | 42 | #include "event-top.h" |
96baa820 | 43 | #include "parser-defs.h" |
36160dc4 | 44 | #include "regcache.h" |
f9418c0f | 45 | #include "reggroups.h" |
fe898f56 | 46 | #include "block.h" |
a77053c2 | 47 | #include "solib.h" |
f9418c0f | 48 | #include <ctype.h> |
92ad9cd9 | 49 | #include "gdb_assert.h" |
281b533b | 50 | #include "observer.h" |
72cec141 | 51 | |
a58dd373 | 52 | /* Functions exported for general use, in inferior.h: */ |
c906108c | 53 | |
a14ed312 | 54 | void all_registers_info (char *, int); |
c906108c | 55 | |
a14ed312 | 56 | void registers_info (char *, int); |
c906108c | 57 | |
a58dd373 EZ |
58 | void nexti_command (char *, int); |
59 | ||
60 | void stepi_command (char *, int); | |
c906108c | 61 | |
a14ed312 | 62 | void continue_command (char *, int); |
c906108c | 63 | |
a58dd373 EZ |
64 | void interrupt_target_command (char *args, int from_tty); |
65 | ||
66 | /* Local functions: */ | |
67 | ||
68 | static void nofp_registers_info (char *, int); | |
69 | ||
11cf8741 JM |
70 | static void print_return_value (int struct_return, struct type *value_type); |
71 | ||
a14ed312 | 72 | static void finish_command_continuation (struct continuation_arg *); |
43ff13b4 | 73 | |
a14ed312 | 74 | static void until_next_command (int); |
c906108c | 75 | |
a14ed312 | 76 | static void until_command (char *, int); |
c906108c | 77 | |
a14ed312 | 78 | static void path_info (char *, int); |
c906108c | 79 | |
a14ed312 | 80 | static void path_command (char *, int); |
c906108c | 81 | |
a14ed312 | 82 | static void unset_command (char *, int); |
c906108c | 83 | |
a14ed312 | 84 | static void float_info (char *, int); |
c906108c | 85 | |
a14ed312 | 86 | static void detach_command (char *, int); |
c906108c | 87 | |
6ad8ae5c DJ |
88 | static void disconnect_command (char *, int); |
89 | ||
a14ed312 | 90 | static void unset_environment_command (char *, int); |
c906108c | 91 | |
a14ed312 | 92 | static void set_environment_command (char *, int); |
c906108c | 93 | |
a14ed312 | 94 | static void environment_info (char *, int); |
c906108c | 95 | |
a14ed312 | 96 | static void program_info (char *, int); |
c906108c | 97 | |
a14ed312 | 98 | static void finish_command (char *, int); |
c906108c | 99 | |
a14ed312 | 100 | static void signal_command (char *, int); |
c906108c | 101 | |
a14ed312 | 102 | static void jump_command (char *, int); |
c906108c | 103 | |
a14ed312 | 104 | static void step_1 (int, int, char *); |
c2d11a7d JM |
105 | static void step_once (int skip_subroutines, int single_inst, int count); |
106 | static void step_1_continuation (struct continuation_arg *arg); | |
c906108c | 107 | |
a14ed312 | 108 | static void next_command (char *, int); |
c906108c | 109 | |
a14ed312 | 110 | static void step_command (char *, int); |
c906108c | 111 | |
a14ed312 | 112 | static void run_command (char *, int); |
c906108c | 113 | |
a14ed312 | 114 | static void run_no_args_command (char *args, int from_tty); |
392a587b | 115 | |
a14ed312 | 116 | static void go_command (char *line_no, int from_tty); |
392a587b | 117 | |
a14ed312 | 118 | static int strip_bg_char (char **); |
43ff13b4 | 119 | |
a14ed312 | 120 | void _initialize_infcmd (void); |
c906108c SS |
121 | |
122 | #define GO_USAGE "Usage: go <location>\n" | |
123 | ||
c906108c | 124 | #define ERROR_NO_INFERIOR \ |
8a3fe4f8 | 125 | if (!target_has_execution) error (_("The program is not being run.")); |
c906108c SS |
126 | |
127 | /* String containing arguments to give to the program, separated by spaces. | |
128 | Empty string (pointer to '\0') means no args. */ | |
129 | ||
130 | static char *inferior_args; | |
131 | ||
552c04a7 TT |
132 | /* The inferior arguments as a vector. If INFERIOR_ARGC is nonzero, |
133 | then we must compute INFERIOR_ARGS from this (via the target). */ | |
134 | ||
135 | static int inferior_argc; | |
136 | static char **inferior_argv; | |
137 | ||
c906108c SS |
138 | /* File name for default use for standard in/out in the inferior. */ |
139 | ||
3cb3b8df | 140 | static char *inferior_io_terminal; |
c906108c SS |
141 | |
142 | /* Pid of our debugged inferior, or 0 if no inferior now. | |
143 | Since various parts of infrun.c test this to see whether there is a program | |
144 | being debugged it should be nonzero (currently 3 is used) for remote | |
145 | debugging. */ | |
146 | ||
39f77062 | 147 | ptid_t inferior_ptid; |
c906108c SS |
148 | |
149 | /* Last signal that the inferior received (why it stopped). */ | |
150 | ||
151 | enum target_signal stop_signal; | |
152 | ||
153 | /* Address at which inferior stopped. */ | |
154 | ||
155 | CORE_ADDR stop_pc; | |
156 | ||
157 | /* Chain containing status of breakpoint(s) that we have stopped at. */ | |
158 | ||
159 | bpstat stop_bpstat; | |
160 | ||
161 | /* Flag indicating that a command has proceeded the inferior past the | |
162 | current breakpoint. */ | |
163 | ||
164 | int breakpoint_proceeded; | |
165 | ||
166 | /* Nonzero if stopped due to a step command. */ | |
167 | ||
168 | int stop_step; | |
169 | ||
170 | /* Nonzero if stopped due to completion of a stack dummy routine. */ | |
171 | ||
172 | int stop_stack_dummy; | |
173 | ||
174 | /* Nonzero if stopped due to a random (unexpected) signal in inferior | |
175 | process. */ | |
176 | ||
177 | int stopped_by_random_signal; | |
178 | ||
179 | /* Range to single step within. | |
180 | If this is nonzero, respond to a single-step signal | |
181 | by continuing to step if the pc is in this range. */ | |
182 | ||
c5aa993b JM |
183 | CORE_ADDR step_range_start; /* Inclusive */ |
184 | CORE_ADDR step_range_end; /* Exclusive */ | |
c906108c SS |
185 | |
186 | /* Stack frame address as of when stepping command was issued. | |
187 | This is how we know when we step into a subroutine call, | |
188 | and how to set the frame for the breakpoint used to step out. */ | |
189 | ||
aa0cd9c1 | 190 | struct frame_id step_frame_id; |
c906108c | 191 | |
5fbbeb29 | 192 | enum step_over_calls_kind step_over_calls; |
c906108c SS |
193 | |
194 | /* If stepping, nonzero means step count is > 1 | |
195 | so don't print frame next time inferior stops | |
196 | if it stops due to stepping. */ | |
197 | ||
198 | int step_multi; | |
199 | ||
200 | /* Environment to use for running inferior, | |
201 | in format described in environ.h. */ | |
202 | ||
1bf1958d | 203 | struct gdb_environ *inferior_environ; |
c906108c | 204 | \f |
07091751 FN |
205 | /* Accessor routines. */ |
206 | ||
3cb3b8df BR |
207 | void |
208 | set_inferior_io_terminal (const char *terminal_name) | |
209 | { | |
210 | if (inferior_io_terminal) | |
211 | xfree (inferior_io_terminal); | |
212 | ||
213 | if (!terminal_name) | |
214 | inferior_io_terminal = NULL; | |
215 | else | |
216 | inferior_io_terminal = savestring (terminal_name, strlen (terminal_name)); | |
217 | } | |
218 | ||
219 | const char * | |
220 | get_inferior_io_terminal (void) | |
221 | { | |
222 | return inferior_io_terminal; | |
223 | } | |
224 | ||
07091751 FN |
225 | char * |
226 | get_inferior_args (void) | |
227 | { | |
552c04a7 TT |
228 | if (inferior_argc != 0) |
229 | { | |
230 | char *n, *old; | |
231 | ||
232 | n = gdbarch_construct_inferior_arguments (current_gdbarch, | |
233 | inferior_argc, inferior_argv); | |
234 | old = set_inferior_args (n); | |
235 | xfree (old); | |
236 | } | |
237 | ||
238 | if (inferior_args == NULL) | |
239 | inferior_args = xstrdup (""); | |
240 | ||
07091751 FN |
241 | return inferior_args; |
242 | } | |
243 | ||
244 | char * | |
245 | set_inferior_args (char *newargs) | |
246 | { | |
247 | char *saved_args = inferior_args; | |
248 | ||
249 | inferior_args = newargs; | |
552c04a7 TT |
250 | inferior_argc = 0; |
251 | inferior_argv = 0; | |
07091751 FN |
252 | |
253 | return saved_args; | |
254 | } | |
c5aa993b | 255 | |
552c04a7 TT |
256 | void |
257 | set_inferior_args_vector (int argc, char **argv) | |
258 | { | |
259 | inferior_argc = argc; | |
260 | inferior_argv = argv; | |
261 | } | |
262 | ||
263 | /* Notice when `set args' is run. */ | |
264 | static void | |
265 | notice_args_set (char *args, int from_tty, struct cmd_list_element *c) | |
266 | { | |
267 | inferior_argc = 0; | |
268 | inferior_argv = 0; | |
269 | } | |
270 | ||
271 | /* Notice when `show args' is run. */ | |
272 | static void | |
b4b4ac0b AC |
273 | notice_args_read (struct ui_file *file, int from_tty, |
274 | struct cmd_list_element *c, const char *value) | |
552c04a7 | 275 | { |
b4b4ac0b | 276 | deprecated_show_value_hack (file, from_tty, c, value); |
552c04a7 TT |
277 | /* Might compute the value. */ |
278 | get_inferior_args (); | |
279 | } | |
280 | ||
c2a727fa TT |
281 | \f |
282 | /* Compute command-line string given argument vector. This does the | |
283 | same shell processing as fork_inferior. */ | |
c2a727fa TT |
284 | char * |
285 | construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv) | |
286 | { | |
287 | char *result; | |
288 | ||
289 | if (STARTUP_WITH_SHELL) | |
290 | { | |
291 | /* This holds all the characters considered special to the | |
292 | typical Unix shells. We include `^' because the SunOS | |
293 | /bin/sh treats it as a synonym for `|'. */ | |
294 | char *special = "\"!#$&*()\\|[]{}<>?'\"`~^; \t\n"; | |
295 | int i; | |
296 | int length = 0; | |
297 | char *out, *cp; | |
298 | ||
299 | /* We over-compute the size. It shouldn't matter. */ | |
300 | for (i = 0; i < argc; ++i) | |
03c6228e | 301 | length += 2 * strlen (argv[i]) + 1 + 2 * (argv[i][0] == '\0'); |
c2a727fa TT |
302 | |
303 | result = (char *) xmalloc (length); | |
304 | out = result; | |
305 | ||
306 | for (i = 0; i < argc; ++i) | |
307 | { | |
308 | if (i > 0) | |
309 | *out++ = ' '; | |
310 | ||
03c6228e AS |
311 | /* Need to handle empty arguments specially. */ |
312 | if (argv[i][0] == '\0') | |
c2a727fa | 313 | { |
03c6228e AS |
314 | *out++ = '\''; |
315 | *out++ = '\''; | |
316 | } | |
317 | else | |
318 | { | |
319 | for (cp = argv[i]; *cp; ++cp) | |
320 | { | |
321 | if (strchr (special, *cp) != NULL) | |
322 | *out++ = '\\'; | |
323 | *out++ = *cp; | |
324 | } | |
c2a727fa TT |
325 | } |
326 | } | |
327 | *out = '\0'; | |
328 | } | |
329 | else | |
330 | { | |
331 | /* In this case we can't handle arguments that contain spaces, | |
332 | tabs, or newlines -- see breakup_args(). */ | |
333 | int i; | |
334 | int length = 0; | |
335 | ||
336 | for (i = 0; i < argc; ++i) | |
337 | { | |
338 | char *cp = strchr (argv[i], ' '); | |
339 | if (cp == NULL) | |
340 | cp = strchr (argv[i], '\t'); | |
341 | if (cp == NULL) | |
342 | cp = strchr (argv[i], '\n'); | |
343 | if (cp != NULL) | |
8a3fe4f8 | 344 | error (_("can't handle command-line argument containing whitespace")); |
c2a727fa TT |
345 | length += strlen (argv[i]) + 1; |
346 | } | |
347 | ||
348 | result = (char *) xmalloc (length); | |
349 | result[0] = '\0'; | |
350 | for (i = 0; i < argc; ++i) | |
351 | { | |
352 | if (i > 0) | |
353 | strcat (result, " "); | |
354 | strcat (result, argv[i]); | |
355 | } | |
356 | } | |
357 | ||
358 | return result; | |
359 | } | |
552c04a7 TT |
360 | \f |
361 | ||
43ff13b4 JM |
362 | /* This function detects whether or not a '&' character (indicating |
363 | background execution) has been added as *the last* of the arguments ARGS | |
364 | of a command. If it has, it removes it and returns 1. Otherwise it | |
365 | does nothing and returns 0. */ | |
c5aa993b | 366 | static int |
fba45db2 | 367 | strip_bg_char (char **args) |
43ff13b4 JM |
368 | { |
369 | char *p = NULL; | |
c5aa993b | 370 | |
9846de1b | 371 | p = strchr (*args, '&'); |
c5aa993b | 372 | |
9846de1b | 373 | if (p) |
43ff13b4 JM |
374 | { |
375 | if (p == (*args + strlen (*args) - 1)) | |
376 | { | |
c5aa993b | 377 | if (strlen (*args) > 1) |
43ff13b4 JM |
378 | { |
379 | do | |
380 | p--; | |
381 | while (*p == ' ' || *p == '\t'); | |
382 | *(p + 1) = '\0'; | |
383 | } | |
384 | else | |
385 | *args = 0; | |
386 | return 1; | |
387 | } | |
388 | } | |
389 | return 0; | |
390 | } | |
391 | ||
c906108c | 392 | void |
fba45db2 | 393 | tty_command (char *file, int from_tty) |
c906108c SS |
394 | { |
395 | if (file == 0) | |
e2e0b3e5 | 396 | error_no_arg (_("terminal name for running target process")); |
c906108c | 397 | |
3cb3b8df | 398 | set_inferior_io_terminal (file); |
c906108c SS |
399 | } |
400 | ||
281b533b DJ |
401 | /* Common actions to take after creating any sort of inferior, by any |
402 | means (running, attaching, connecting, et cetera). The target | |
403 | should be stopped. */ | |
404 | ||
405 | void | |
406 | post_create_inferior (struct target_ops *target, int from_tty) | |
407 | { | |
408 | observer_notify_inferior_created (target, from_tty); | |
409 | } | |
410 | ||
a4d5f2e0 JB |
411 | /* Kill the inferior if already running. This function is designed |
412 | to be called when we are about to start the execution of the program | |
413 | from the beginning. Ask the user to confirm that he wants to restart | |
414 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 415 | |
a4d5f2e0 JB |
416 | void |
417 | kill_if_already_running (int from_tty) | |
418 | { | |
39f77062 | 419 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 420 | { |
adf40b2e JM |
421 | if (from_tty |
422 | && !query ("The program being debugged has been started already.\n\ | |
c906108c | 423 | Start it from the beginning? ")) |
8a3fe4f8 | 424 | error (_("Program not restarted.")); |
c906108c SS |
425 | target_kill (); |
426 | #if defined(SOLIB_RESTART) | |
427 | SOLIB_RESTART (); | |
428 | #endif | |
429 | init_wait_for_inferior (); | |
430 | } | |
a4d5f2e0 JB |
431 | } |
432 | ||
f67a969f JB |
433 | /* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert |
434 | a temporary breakpoint at the begining of the main program before | |
435 | running the program. */ | |
436 | ||
a4d5f2e0 | 437 | static void |
f67a969f | 438 | run_command_1 (char *args, int from_tty, int tbreak_at_main) |
a4d5f2e0 JB |
439 | { |
440 | char *exec_file; | |
c906108c | 441 | |
a4d5f2e0 JB |
442 | dont_repeat (); |
443 | ||
444 | kill_if_already_running (from_tty); | |
c906108c SS |
445 | clear_breakpoint_hit_counts (); |
446 | ||
c906108c SS |
447 | /* Purge old solib objfiles. */ |
448 | objfile_purge_solibs (); | |
449 | ||
450 | do_run_cleanups (NULL); | |
451 | ||
39ad761d JB |
452 | /* The comment here used to read, "The exec file is re-read every |
453 | time we do a generic_mourn_inferior, so we just have to worry | |
454 | about the symbol file." The `generic_mourn_inferior' function | |
455 | gets called whenever the program exits. However, suppose the | |
456 | program exits, and *then* the executable file changes? We need | |
457 | to check again here. Since reopen_exec_file doesn't do anything | |
458 | if the timestamp hasn't changed, I don't see the harm. */ | |
459 | reopen_exec_file (); | |
c906108c SS |
460 | reread_symbols (); |
461 | ||
f67a969f JB |
462 | /* Insert the temporary breakpoint if a location was specified. */ |
463 | if (tbreak_at_main) | |
464 | tbreak_command (main_name (), 0); | |
465 | ||
39ad761d JB |
466 | exec_file = (char *) get_exec_file (0); |
467 | ||
c906108c SS |
468 | /* We keep symbols from add-symbol-file, on the grounds that the |
469 | user might want to add some symbols before running the program | |
470 | (right?). But sometimes (dynamic loading where the user manually | |
471 | introduces the new symbols with add-symbol-file), the code which | |
472 | the symbols describe does not persist between runs. Currently | |
473 | the user has to manually nuke all symbols between runs if they | |
474 | want them to go away (PR 2207). This is probably reasonable. */ | |
475 | ||
43ff13b4 | 476 | if (!args) |
6426a772 | 477 | { |
362646f5 | 478 | if (target_can_async_p ()) |
6426a772 JM |
479 | async_disable_stdin (); |
480 | } | |
43ff13b4 | 481 | else |
c906108c | 482 | { |
43ff13b4 JM |
483 | int async_exec = strip_bg_char (&args); |
484 | ||
485 | /* If we get a request for running in the bg but the target | |
486 | doesn't support it, error out. */ | |
362646f5 | 487 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 488 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
489 | |
490 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 491 | to simulate synchronous (fg) execution. */ |
362646f5 | 492 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
493 | { |
494 | /* Simulate synchronous execution */ | |
6426a772 | 495 | async_disable_stdin (); |
43ff13b4 JM |
496 | } |
497 | ||
498 | /* If there were other args, beside '&', process them. */ | |
499 | if (args) | |
500 | { | |
07091751 FN |
501 | char *old_args = set_inferior_args (xstrdup (args)); |
502 | xfree (old_args); | |
43ff13b4 | 503 | } |
c906108c SS |
504 | } |
505 | ||
506 | if (from_tty) | |
507 | { | |
8b93c638 JM |
508 | ui_out_field_string (uiout, NULL, "Starting program"); |
509 | ui_out_text (uiout, ": "); | |
510 | if (exec_file) | |
511 | ui_out_field_string (uiout, "execfile", exec_file); | |
512 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
513 | /* We call get_inferior_args() because we might need to compute |
514 | the value now. */ | |
515 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
516 | ui_out_text (uiout, "\n"); |
517 | ui_out_flush (uiout); | |
c906108c SS |
518 | } |
519 | ||
552c04a7 TT |
520 | /* We call get_inferior_args() because we might need to compute |
521 | the value now. */ | |
522 | target_create_inferior (exec_file, get_inferior_args (), | |
c27cda74 | 523 | environ_vector (inferior_environ), from_tty); |
281b533b DJ |
524 | |
525 | post_create_inferior (¤t_target, from_tty); | |
526 | ||
527 | /* Start the target running. */ | |
528 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0); | |
c906108c SS |
529 | } |
530 | ||
531 | ||
f67a969f JB |
532 | static void |
533 | run_command (char *args, int from_tty) | |
534 | { | |
535 | run_command_1 (args, from_tty, 0); | |
536 | } | |
537 | ||
c906108c | 538 | static void |
fba45db2 | 539 | run_no_args_command (char *args, int from_tty) |
c906108c | 540 | { |
07091751 FN |
541 | char *old_args = set_inferior_args (xstrdup ("")); |
542 | xfree (old_args); | |
c906108c | 543 | } |
c906108c | 544 | \f |
c5aa993b | 545 | |
a4d5f2e0 JB |
546 | /* Start the execution of the program up until the beginning of the main |
547 | program. */ | |
548 | ||
549 | static void | |
550 | start_command (char *args, int from_tty) | |
551 | { | |
552 | /* Some languages such as Ada need to search inside the program | |
553 | minimal symbols for the location where to put the temporary | |
554 | breakpoint before starting. */ | |
555 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 556 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 557 | |
f67a969f JB |
558 | /* Run the program until reaching the main procedure... */ |
559 | run_command_1 (args, from_tty, 1); | |
a4d5f2e0 JB |
560 | } |
561 | ||
c906108c | 562 | void |
fba45db2 | 563 | continue_command (char *proc_count_exp, int from_tty) |
c906108c | 564 | { |
c5aa993b | 565 | int async_exec = 0; |
c906108c SS |
566 | ERROR_NO_INFERIOR; |
567 | ||
43ff13b4 JM |
568 | /* Find out whether we must run in the background. */ |
569 | if (proc_count_exp != NULL) | |
570 | async_exec = strip_bg_char (&proc_count_exp); | |
571 | ||
572 | /* If we must run in the background, but the target can't do it, | |
573 | error out. */ | |
362646f5 | 574 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 575 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
576 | |
577 | /* If we are not asked to run in the bg, then prepare to run in the | |
578 | foreground, synchronously. */ | |
362646f5 | 579 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 580 | { |
43ff13b4 | 581 | /* Simulate synchronous execution */ |
6426a772 | 582 | async_disable_stdin (); |
43ff13b4 | 583 | } |
c906108c | 584 | |
43ff13b4 JM |
585 | /* If have argument (besides '&'), set proceed count of breakpoint |
586 | we stopped at. */ | |
c906108c SS |
587 | if (proc_count_exp != NULL) |
588 | { | |
589 | bpstat bs = stop_bpstat; | |
590 | int num = bpstat_num (&bs); | |
591 | if (num == 0 && from_tty) | |
592 | { | |
593 | printf_filtered | |
594 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
595 | } | |
596 | while (num != 0) | |
597 | { | |
598 | set_ignore_count (num, | |
bb518678 | 599 | parse_and_eval_long (proc_count_exp) - 1, |
c906108c SS |
600 | from_tty); |
601 | /* set_ignore_count prints a message ending with a period. | |
602 | So print two spaces before "Continuing.". */ | |
603 | if (from_tty) | |
604 | printf_filtered (" "); | |
605 | num = bpstat_num (&bs); | |
606 | } | |
607 | } | |
608 | ||
609 | if (from_tty) | |
a3f17187 | 610 | printf_filtered (_("Continuing.\n")); |
c906108c SS |
611 | |
612 | clear_proceed_status (); | |
613 | ||
2acceee2 | 614 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c SS |
615 | } |
616 | \f | |
617 | /* Step until outside of current statement. */ | |
618 | ||
c906108c | 619 | static void |
fba45db2 | 620 | step_command (char *count_string, int from_tty) |
c906108c SS |
621 | { |
622 | step_1 (0, 0, count_string); | |
623 | } | |
624 | ||
625 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
626 | ||
c906108c | 627 | static void |
fba45db2 | 628 | next_command (char *count_string, int from_tty) |
c906108c SS |
629 | { |
630 | step_1 (1, 0, count_string); | |
631 | } | |
632 | ||
633 | /* Likewise, but step only one instruction. */ | |
634 | ||
c906108c | 635 | void |
fba45db2 | 636 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
637 | { |
638 | step_1 (0, 1, count_string); | |
639 | } | |
640 | ||
c906108c | 641 | void |
fba45db2 | 642 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
643 | { |
644 | step_1 (1, 1, count_string); | |
645 | } | |
646 | ||
74b7792f AC |
647 | static void |
648 | disable_longjmp_breakpoint_cleanup (void *ignore) | |
649 | { | |
650 | disable_longjmp_breakpoint (); | |
651 | } | |
652 | ||
c906108c | 653 | static void |
fba45db2 | 654 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 655 | { |
52f0bd74 | 656 | int count = 1; |
c906108c SS |
657 | struct frame_info *frame; |
658 | struct cleanup *cleanups = 0; | |
43ff13b4 | 659 | int async_exec = 0; |
c5aa993b | 660 | |
c906108c | 661 | ERROR_NO_INFERIOR; |
43ff13b4 JM |
662 | |
663 | if (count_string) | |
664 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 665 | |
43ff13b4 JM |
666 | /* If we get a request for running in the bg but the target |
667 | doesn't support it, error out. */ | |
362646f5 | 668 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 669 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
670 | |
671 | /* If we don't get a request of running in the bg, then we need | |
672 | to simulate synchronous (fg) execution. */ | |
362646f5 | 673 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
674 | { |
675 | /* Simulate synchronous execution */ | |
6426a772 | 676 | async_disable_stdin (); |
43ff13b4 JM |
677 | } |
678 | ||
bb518678 | 679 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 680 | |
c5aa993b | 681 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 682 | { |
c5aa993b | 683 | enable_longjmp_breakpoint (); |
362646f5 | 684 | if (!target_can_async_p ()) |
74b7792f | 685 | cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d | 686 | else |
74b7792f | 687 | make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d JM |
688 | } |
689 | ||
690 | /* In synchronous case, all is well, just use the regular for loop. */ | |
362646f5 | 691 | if (!target_can_async_p ()) |
c2d11a7d JM |
692 | { |
693 | for (; count > 0; count--) | |
694 | { | |
695 | clear_proceed_status (); | |
696 | ||
697 | frame = get_current_frame (); | |
698 | if (!frame) /* Avoid coredump here. Why tho? */ | |
8a3fe4f8 | 699 | error (_("No current frame")); |
aa0cd9c1 | 700 | step_frame_id = get_frame_id (frame); |
c2d11a7d JM |
701 | |
702 | if (!single_inst) | |
703 | { | |
704 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
705 | if (step_range_end == 0) | |
706 | { | |
707 | char *name; | |
708 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
709 | &step_range_end) == 0) | |
8a3fe4f8 | 710 | error (_("Cannot find bounds of current function")); |
c2d11a7d JM |
711 | |
712 | target_terminal_ours (); | |
a3f17187 | 713 | printf_filtered (_("\ |
c2d11a7d | 714 | Single stepping until exit from function %s, \n\ |
a3f17187 | 715 | which has no line number information.\n"), name); |
c2d11a7d JM |
716 | } |
717 | } | |
718 | else | |
719 | { | |
720 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
721 | step_range_start = step_range_end = 1; | |
722 | if (!skip_subroutines) | |
723 | /* It is stepi. | |
724 | Don't step over function calls, not even to functions lacking | |
725 | line numbers. */ | |
5fbbeb29 | 726 | step_over_calls = STEP_OVER_NONE; |
c2d11a7d JM |
727 | } |
728 | ||
729 | if (skip_subroutines) | |
5fbbeb29 | 730 | step_over_calls = STEP_OVER_ALL; |
c2d11a7d JM |
731 | |
732 | step_multi = (count > 1); | |
733 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
734 | ||
735 | if (!stop_step) | |
736 | break; | |
c2d11a7d JM |
737 | } |
738 | ||
739 | if (!single_inst || skip_subroutines) | |
740 | do_cleanups (cleanups); | |
741 | return; | |
742 | } | |
743 | /* In case of asynchronous target things get complicated, do only | |
744 | one step for now, before returning control to the event loop. Let | |
745 | the continuation figure out how many other steps we need to do, | |
746 | and handle them one at the time, through step_once(). */ | |
747 | else | |
748 | { | |
362646f5 | 749 | if (target_can_async_p ()) |
c2d11a7d | 750 | step_once (skip_subroutines, single_inst, count); |
c906108c | 751 | } |
c2d11a7d | 752 | } |
c906108c | 753 | |
c2d11a7d JM |
754 | /* Called after we are done with one step operation, to check whether |
755 | we need to step again, before we print the prompt and return control | |
756 | to the user. If count is > 1, we will need to do one more call to | |
757 | proceed(), via step_once(). Basically it is like step_once and | |
758 | step_1_continuation are co-recursive. */ | |
759 | static void | |
fba45db2 | 760 | step_1_continuation (struct continuation_arg *arg) |
c2d11a7d | 761 | { |
57e687d9 MS |
762 | int count; |
763 | int skip_subroutines; | |
764 | int single_inst; | |
765 | ||
766 | skip_subroutines = arg->data.integer; | |
767 | single_inst = arg->next->data.integer; | |
768 | count = arg->next->next->data.integer; | |
769 | ||
770 | if (stop_step) | |
e74f0f02 | 771 | step_once (skip_subroutines, single_inst, count - 1); |
57e687d9 MS |
772 | else |
773 | if (!single_inst || skip_subroutines) | |
774 | do_exec_cleanups (ALL_CLEANUPS); | |
c2d11a7d JM |
775 | } |
776 | ||
777 | /* Do just one step operation. If count >1 we will have to set up a | |
778 | continuation to be done after the target stops (after this one | |
779 | step). This is useful to implement the 'step n' kind of commands, in | |
780 | case of asynchronous targets. We had to split step_1 into two parts, | |
781 | one to be done before proceed() and one afterwards. This function is | |
782 | called in case of step n with n>1, after the first step operation has | |
783 | been completed.*/ | |
784 | static void | |
0d06e24b | 785 | step_once (int skip_subroutines, int single_inst, int count) |
c2d11a7d | 786 | { |
0d06e24b JM |
787 | struct continuation_arg *arg1; |
788 | struct continuation_arg *arg2; | |
789 | struct continuation_arg *arg3; | |
790 | struct frame_info *frame; | |
c2d11a7d JM |
791 | |
792 | if (count > 0) | |
c906108c SS |
793 | { |
794 | clear_proceed_status (); | |
795 | ||
796 | frame = get_current_frame (); | |
c5aa993b | 797 | if (!frame) /* Avoid coredump here. Why tho? */ |
8a3fe4f8 | 798 | error (_("No current frame")); |
aa0cd9c1 | 799 | step_frame_id = get_frame_id (frame); |
c906108c | 800 | |
c5aa993b | 801 | if (!single_inst) |
c906108c SS |
802 | { |
803 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
5fbbeb29 CF |
804 | |
805 | /* If we have no line info, switch to stepi mode. */ | |
806 | if (step_range_end == 0 && step_stop_if_no_debug) | |
807 | { | |
808 | step_range_start = step_range_end = 1; | |
809 | } | |
810 | else if (step_range_end == 0) | |
c906108c SS |
811 | { |
812 | char *name; | |
813 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
814 | &step_range_end) == 0) | |
8a3fe4f8 | 815 | error (_("Cannot find bounds of current function")); |
c906108c SS |
816 | |
817 | target_terminal_ours (); | |
a3f17187 | 818 | printf_filtered (_("\ |
c906108c | 819 | Single stepping until exit from function %s, \n\ |
a3f17187 | 820 | which has no line number information.\n"), name); |
c906108c SS |
821 | } |
822 | } | |
823 | else | |
824 | { | |
825 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
826 | step_range_start = step_range_end = 1; | |
827 | if (!skip_subroutines) | |
828 | /* It is stepi. | |
829 | Don't step over function calls, not even to functions lacking | |
830 | line numbers. */ | |
5fbbeb29 | 831 | step_over_calls = STEP_OVER_NONE; |
c906108c SS |
832 | } |
833 | ||
834 | if (skip_subroutines) | |
5fbbeb29 | 835 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
836 | |
837 | step_multi = (count > 1); | |
c2d11a7d JM |
838 | arg1 = |
839 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
840 | arg2 = | |
841 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
842 | arg3 = | |
843 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
844 | arg1->next = arg2; | |
57e687d9 | 845 | arg1->data.integer = skip_subroutines; |
c2d11a7d | 846 | arg2->next = arg3; |
57e687d9 | 847 | arg2->data.integer = single_inst; |
c2d11a7d | 848 | arg3->next = NULL; |
57e687d9 | 849 | arg3->data.integer = count; |
c2d11a7d | 850 | add_intermediate_continuation (step_1_continuation, arg1); |
2acceee2 | 851 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c | 852 | } |
c906108c | 853 | } |
c2d11a7d | 854 | |
c906108c SS |
855 | \f |
856 | /* Continue program at specified address. */ | |
857 | ||
858 | static void | |
fba45db2 | 859 | jump_command (char *arg, int from_tty) |
c906108c | 860 | { |
52f0bd74 | 861 | CORE_ADDR addr; |
c906108c SS |
862 | struct symtabs_and_lines sals; |
863 | struct symtab_and_line sal; | |
864 | struct symbol *fn; | |
865 | struct symbol *sfn; | |
43ff13b4 | 866 | int async_exec = 0; |
c5aa993b | 867 | |
c906108c SS |
868 | ERROR_NO_INFERIOR; |
869 | ||
43ff13b4 JM |
870 | /* Find out whether we must run in the background. */ |
871 | if (arg != NULL) | |
872 | async_exec = strip_bg_char (&arg); | |
873 | ||
874 | /* If we must run in the background, but the target can't do it, | |
875 | error out. */ | |
362646f5 | 876 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 877 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
878 | |
879 | /* If we are not asked to run in the bg, then prepare to run in the | |
880 | foreground, synchronously. */ | |
362646f5 | 881 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 882 | { |
43ff13b4 | 883 | /* Simulate synchronous execution */ |
6426a772 | 884 | async_disable_stdin (); |
43ff13b4 JM |
885 | } |
886 | ||
c906108c | 887 | if (!arg) |
e2e0b3e5 | 888 | error_no_arg (_("starting address")); |
c906108c SS |
889 | |
890 | sals = decode_line_spec_1 (arg, 1); | |
891 | if (sals.nelts != 1) | |
892 | { | |
8a3fe4f8 | 893 | error (_("Unreasonable jump request")); |
c906108c SS |
894 | } |
895 | ||
896 | sal = sals.sals[0]; | |
b8c9b27d | 897 | xfree (sals.sals); |
c906108c SS |
898 | |
899 | if (sal.symtab == 0 && sal.pc == 0) | |
8a3fe4f8 | 900 | error (_("No source file has been specified.")); |
c906108c | 901 | |
c5aa993b | 902 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
903 | |
904 | /* See if we are trying to jump to another function. */ | |
905 | fn = get_frame_function (get_current_frame ()); | |
906 | sfn = find_pc_function (sal.pc); | |
907 | if (fn != NULL && sfn != fn) | |
908 | { | |
909 | if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line, | |
de5ad195 | 910 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 911 | { |
8a3fe4f8 | 912 | error (_("Not confirmed.")); |
c906108c SS |
913 | /* NOTREACHED */ |
914 | } | |
915 | } | |
916 | ||
c5aa993b | 917 | if (sfn != NULL) |
c906108c SS |
918 | { |
919 | fixup_symbol_section (sfn, 0); | |
c5aa993b | 920 | if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) && |
c906108c SS |
921 | !section_is_mapped (SYMBOL_BFD_SECTION (sfn))) |
922 | { | |
923 | if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? ")) | |
924 | { | |
8a3fe4f8 | 925 | error (_("Not confirmed.")); |
c906108c SS |
926 | /* NOTREACHED */ |
927 | } | |
928 | } | |
929 | } | |
930 | ||
c906108c SS |
931 | addr = sal.pc; |
932 | ||
933 | if (from_tty) | |
934 | { | |
a3f17187 | 935 | printf_filtered (_("Continuing at ")); |
66bf4b3a | 936 | deprecated_print_address_numeric (addr, 1, gdb_stdout); |
c906108c SS |
937 | printf_filtered (".\n"); |
938 | } | |
939 | ||
940 | clear_proceed_status (); | |
941 | proceed (addr, TARGET_SIGNAL_0, 0); | |
942 | } | |
c906108c | 943 | \f |
c5aa993b | 944 | |
c906108c SS |
945 | /* Go to line or address in current procedure */ |
946 | static void | |
fba45db2 | 947 | go_command (char *line_no, int from_tty) |
c906108c | 948 | { |
c5aa993b | 949 | if (line_no == (char *) NULL || !*line_no) |
b83266a0 | 950 | printf_filtered (GO_USAGE); |
c906108c SS |
951 | else |
952 | { | |
b83266a0 SS |
953 | tbreak_command (line_no, from_tty); |
954 | jump_command (line_no, from_tty); | |
c906108c SS |
955 | } |
956 | } | |
c906108c | 957 | \f |
c5aa993b | 958 | |
c906108c SS |
959 | /* Continue program giving it specified signal. */ |
960 | ||
961 | static void | |
fba45db2 | 962 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
963 | { |
964 | enum target_signal oursig; | |
965 | ||
966 | dont_repeat (); /* Too dangerous. */ | |
967 | ERROR_NO_INFERIOR; | |
968 | ||
969 | if (!signum_exp) | |
e2e0b3e5 | 970 | error_no_arg (_("signal number")); |
c906108c SS |
971 | |
972 | /* It would be even slicker to make signal names be valid expressions, | |
973 | (the type could be "enum $signal" or some such), then the user could | |
974 | assign them to convenience variables. */ | |
975 | oursig = target_signal_from_name (signum_exp); | |
976 | ||
977 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
978 | { | |
979 | /* No, try numeric. */ | |
bb518678 | 980 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
981 | |
982 | if (num == 0) | |
983 | oursig = TARGET_SIGNAL_0; | |
984 | else | |
985 | oursig = target_signal_from_command (num); | |
986 | } | |
987 | ||
988 | if (from_tty) | |
989 | { | |
990 | if (oursig == TARGET_SIGNAL_0) | |
a3f17187 | 991 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 992 | else |
a3f17187 | 993 | printf_filtered (_("Continuing with signal %s.\n"), |
c906108c SS |
994 | target_signal_to_name (oursig)); |
995 | } | |
996 | ||
997 | clear_proceed_status (); | |
998 | /* "signal 0" should not get stuck if we are stopped at a breakpoint. | |
999 | FIXME: Neither should "signal foo" but when I tried passing | |
1000 | (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't | |
1001 | tried to track down yet. */ | |
2acceee2 | 1002 | proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0); |
c906108c SS |
1003 | } |
1004 | ||
c906108c SS |
1005 | /* Proceed until we reach a different source line with pc greater than |
1006 | our current one or exit the function. We skip calls in both cases. | |
1007 | ||
1008 | Note that eventually this command should probably be changed so | |
1009 | that only source lines are printed out when we hit the breakpoint | |
1010 | we set. This may involve changes to wait_for_inferior and the | |
1011 | proceed status code. */ | |
1012 | ||
c906108c | 1013 | static void |
fba45db2 | 1014 | until_next_command (int from_tty) |
c906108c SS |
1015 | { |
1016 | struct frame_info *frame; | |
1017 | CORE_ADDR pc; | |
1018 | struct symbol *func; | |
1019 | struct symtab_and_line sal; | |
c5aa993b | 1020 | |
c906108c SS |
1021 | clear_proceed_status (); |
1022 | ||
1023 | frame = get_current_frame (); | |
1024 | ||
1025 | /* Step until either exited from this function or greater | |
1026 | than the current line (if in symbolic section) or pc (if | |
1027 | not). */ | |
1028 | ||
1029 | pc = read_pc (); | |
1030 | func = find_pc_function (pc); | |
c5aa993b | 1031 | |
c906108c SS |
1032 | if (!func) |
1033 | { | |
1034 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 1035 | |
c906108c | 1036 | if (msymbol == NULL) |
8a3fe4f8 | 1037 | error (_("Execution is not within a known function.")); |
c5aa993b | 1038 | |
c906108c SS |
1039 | step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
1040 | step_range_end = pc; | |
1041 | } | |
1042 | else | |
1043 | { | |
1044 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1045 | |
c906108c SS |
1046 | step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1047 | step_range_end = sal.end; | |
1048 | } | |
c5aa993b | 1049 | |
5fbbeb29 | 1050 | step_over_calls = STEP_OVER_ALL; |
aa0cd9c1 | 1051 | step_frame_id = get_frame_id (frame); |
c906108c SS |
1052 | |
1053 | step_multi = 0; /* Only one call to proceed */ | |
c5aa993b | 1054 | |
2acceee2 | 1055 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
1056 | } |
1057 | ||
c5aa993b | 1058 | static void |
fba45db2 | 1059 | until_command (char *arg, int from_tty) |
c906108c | 1060 | { |
43ff13b4 JM |
1061 | int async_exec = 0; |
1062 | ||
c906108c | 1063 | if (!target_has_execution) |
8a3fe4f8 | 1064 | error (_("The program is not running.")); |
43ff13b4 JM |
1065 | |
1066 | /* Find out whether we must run in the background. */ | |
1067 | if (arg != NULL) | |
1068 | async_exec = strip_bg_char (&arg); | |
1069 | ||
1070 | /* If we must run in the background, but the target can't do it, | |
1071 | error out. */ | |
362646f5 | 1072 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1073 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1074 | |
1075 | /* If we are not asked to run in the bg, then prepare to run in the | |
1076 | foreground, synchronously. */ | |
362646f5 | 1077 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1078 | { |
43ff13b4 | 1079 | /* Simulate synchronous execution */ |
6426a772 | 1080 | async_disable_stdin (); |
43ff13b4 JM |
1081 | } |
1082 | ||
c906108c | 1083 | if (arg) |
ae66c1fc | 1084 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1085 | else |
1086 | until_next_command (from_tty); | |
1087 | } | |
ae66c1fc EZ |
1088 | |
1089 | static void | |
1090 | advance_command (char *arg, int from_tty) | |
1091 | { | |
1092 | int async_exec = 0; | |
1093 | ||
1094 | if (!target_has_execution) | |
8a3fe4f8 | 1095 | error (_("The program is not running.")); |
ae66c1fc EZ |
1096 | |
1097 | if (arg == NULL) | |
e2e0b3e5 | 1098 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1099 | |
1100 | /* Find out whether we must run in the background. */ | |
1101 | if (arg != NULL) | |
1102 | async_exec = strip_bg_char (&arg); | |
1103 | ||
1104 | /* If we must run in the background, but the target can't do it, | |
1105 | error out. */ | |
362646f5 | 1106 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1107 | error (_("Asynchronous execution not supported on this target.")); |
ae66c1fc EZ |
1108 | |
1109 | /* If we are not asked to run in the bg, then prepare to run in the | |
1110 | foreground, synchronously. */ | |
362646f5 | 1111 | if (!async_exec && target_can_async_p ()) |
ae66c1fc EZ |
1112 | { |
1113 | /* Simulate synchronous execution. */ | |
1114 | async_disable_stdin (); | |
1115 | } | |
1116 | ||
1117 | until_break_command (arg, from_tty, 1); | |
1118 | } | |
c906108c | 1119 | \f |
f941662f MK |
1120 | /* Print the result of a function at the end of a 'finish' command. */ |
1121 | ||
11cf8741 | 1122 | static void |
bb472c1e | 1123 | print_return_value (int struct_return, struct type *value_type) |
11cf8741 | 1124 | { |
31db7b6c | 1125 | struct gdbarch *gdbarch = current_gdbarch; |
bb472c1e MK |
1126 | struct cleanup *old_chain; |
1127 | struct ui_stream *stb; | |
44e5158b AC |
1128 | struct value *value; |
1129 | ||
181fc57c | 1130 | CHECK_TYPEDEF (value_type); |
44e5158b | 1131 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1132 | |
92ad9cd9 AC |
1133 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1134 | call, it's possible (with no help from the architecture vector) | |
1135 | to locate and return/print a "struct return" value. This is just | |
1136 | a more complicated case of what is already being done in in the | |
1137 | inferior function call code. In fact, when inferior function | |
1138 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1139 | |
750eb019 | 1140 | switch (gdbarch_return_value (gdbarch, value_type, NULL, NULL, NULL)) |
44e5158b | 1141 | { |
750eb019 AC |
1142 | case RETURN_VALUE_REGISTER_CONVENTION: |
1143 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1144 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1145 | value = allocate_value (value_type); |
750eb019 | 1146 | gdbarch_return_value (current_gdbarch, value_type, stop_registers, |
990a07ab | 1147 | value_contents_raw (value), NULL); |
750eb019 AC |
1148 | break; |
1149 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1150 | value = NULL; | |
1151 | break; | |
1152 | default: | |
e2e0b3e5 | 1153 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1154 | } |
bb472c1e | 1155 | |
31db7b6c MK |
1156 | if (value) |
1157 | { | |
1158 | /* Print it. */ | |
1159 | stb = ui_out_stream_new (uiout); | |
1160 | old_chain = make_cleanup_ui_out_stream_delete (stb); | |
1161 | ui_out_text (uiout, "Value returned is "); | |
1162 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", | |
1163 | record_latest_value (value)); | |
1164 | ui_out_text (uiout, " = "); | |
1165 | value_print (value, stb->stream, 0, Val_no_prettyprint); | |
1166 | ui_out_field_stream (uiout, "return-value", stb); | |
1167 | ui_out_text (uiout, "\n"); | |
1168 | do_cleanups (old_chain); | |
1169 | } | |
1170 | else | |
1171 | { | |
1172 | ui_out_text (uiout, "Value returned has type: "); | |
1173 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); | |
1174 | ui_out_text (uiout, "."); | |
1175 | ui_out_text (uiout, " Cannot determine contents\n"); | |
1176 | } | |
11cf8741 JM |
1177 | } |
1178 | ||
43ff13b4 | 1179 | /* Stuff that needs to be done by the finish command after the target |
f941662f MK |
1180 | has stopped. In asynchronous mode, we wait for the target to stop |
1181 | in the call to poll or select in the event loop, so it is | |
1182 | impossible to do all the stuff as part of the finish_command | |
1183 | function itself. The only chance we have to complete this command | |
1184 | is in fetch_inferior_event, which is called by the event loop as | |
1185 | soon as it detects that the target has stopped. This function is | |
1186 | called via the cmd_continuation pointer. */ | |
1187 | ||
1188 | static void | |
fba45db2 | 1189 | finish_command_continuation (struct continuation_arg *arg) |
43ff13b4 | 1190 | { |
52f0bd74 | 1191 | struct symbol *function; |
43ff13b4 | 1192 | struct breakpoint *breakpoint; |
0d06e24b | 1193 | struct cleanup *cleanups; |
c5aa993b | 1194 | |
57e687d9 | 1195 | breakpoint = (struct breakpoint *) arg->data.pointer; |
f941662f MK |
1196 | function = (struct symbol *) arg->next->data.pointer; |
1197 | cleanups = (struct cleanup *) arg->next->next->data.pointer; | |
43ff13b4 | 1198 | |
c5aa993b | 1199 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
f941662f | 1200 | && function != NULL) |
43ff13b4 JM |
1201 | { |
1202 | struct type *value_type; | |
43ff13b4 | 1203 | int struct_return; |
f941662f | 1204 | int gcc_compiled; |
43ff13b4 JM |
1205 | |
1206 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1207 | if (!value_type) | |
8e65ff28 | 1208 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 1209 | _("finish_command: function has no target type")); |
c5aa993b | 1210 | |
43ff13b4 JM |
1211 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1212 | { | |
0d06e24b | 1213 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1214 | return; |
1215 | } | |
1216 | ||
f941662f MK |
1217 | CHECK_TYPEDEF (value_type); |
1218 | gcc_compiled = BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)); | |
1219 | struct_return = using_struct_return (value_type, gcc_compiled); | |
43ff13b4 | 1220 | |
11cf8741 | 1221 | print_return_value (struct_return, value_type); |
43ff13b4 | 1222 | } |
f941662f | 1223 | |
0d06e24b | 1224 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1225 | } |
1226 | ||
f941662f MK |
1227 | /* "finish": Set a temporary breakpoint at the place the selected |
1228 | frame will return to, then continue. */ | |
c906108c SS |
1229 | |
1230 | static void | |
fba45db2 | 1231 | finish_command (char *arg, int from_tty) |
c906108c SS |
1232 | { |
1233 | struct symtab_and_line sal; | |
52f0bd74 AC |
1234 | struct frame_info *frame; |
1235 | struct symbol *function; | |
c906108c SS |
1236 | struct breakpoint *breakpoint; |
1237 | struct cleanup *old_chain; | |
0d06e24b | 1238 | struct continuation_arg *arg1, *arg2, *arg3; |
43ff13b4 JM |
1239 | |
1240 | int async_exec = 0; | |
1241 | ||
f941662f | 1242 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1243 | if (arg != NULL) |
1244 | async_exec = strip_bg_char (&arg); | |
1245 | ||
1246 | /* If we must run in the background, but the target can't do it, | |
f941662f | 1247 | error out. */ |
362646f5 | 1248 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1249 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1250 | |
1251 | /* If we are not asked to run in the bg, then prepare to run in the | |
f941662f | 1252 | foreground, synchronously. */ |
362646f5 | 1253 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1254 | { |
f941662f | 1255 | /* Simulate synchronous execution. */ |
6426a772 | 1256 | async_disable_stdin (); |
43ff13b4 | 1257 | } |
c906108c SS |
1258 | |
1259 | if (arg) | |
8a3fe4f8 | 1260 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1261 | if (!target_has_execution) |
8a3fe4f8 | 1262 | error (_("The program is not running.")); |
6e7f8b9c | 1263 | if (deprecated_selected_frame == NULL) |
8a3fe4f8 | 1264 | error (_("No selected frame.")); |
c906108c | 1265 | |
6e7f8b9c | 1266 | frame = get_prev_frame (deprecated_selected_frame); |
c906108c | 1267 | if (frame == 0) |
8a3fe4f8 | 1268 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c SS |
1269 | |
1270 | clear_proceed_status (); | |
1271 | ||
bdd78e62 AC |
1272 | sal = find_pc_line (get_frame_pc (frame), 0); |
1273 | sal.pc = get_frame_pc (frame); | |
c906108c | 1274 | |
818dd999 | 1275 | breakpoint = set_momentary_breakpoint (sal, get_frame_id (frame), bp_finish); |
c906108c | 1276 | |
362646f5 | 1277 | if (!target_can_async_p ()) |
4d6140d9 | 1278 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
43ff13b4 | 1279 | else |
4d6140d9 | 1280 | old_chain = make_exec_cleanup_delete_breakpoint (breakpoint); |
c906108c SS |
1281 | |
1282 | /* Find the function we will return from. */ | |
1283 | ||
bdd78e62 | 1284 | function = find_pc_function (get_frame_pc (deprecated_selected_frame)); |
c906108c | 1285 | |
f941662f MK |
1286 | /* Print info on the selected frame, including level number but not |
1287 | source. */ | |
c906108c SS |
1288 | if (from_tty) |
1289 | { | |
a3f17187 | 1290 | printf_filtered (_("Run till exit from ")); |
b04f3ab4 | 1291 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION); |
c906108c SS |
1292 | } |
1293 | ||
43ff13b4 JM |
1294 | /* If running asynchronously and the target support asynchronous |
1295 | execution, set things up for the rest of the finish command to be | |
1296 | completed later on, when gdb has detected that the target has | |
f941662f | 1297 | stopped, in fetch_inferior_event. */ |
362646f5 | 1298 | if (target_can_async_p ()) |
43ff13b4 | 1299 | { |
c5aa993b | 1300 | arg1 = |
43ff13b4 | 1301 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
c5aa993b | 1302 | arg2 = |
43ff13b4 | 1303 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
0d06e24b JM |
1304 | arg3 = |
1305 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
43ff13b4 | 1306 | arg1->next = arg2; |
0d06e24b JM |
1307 | arg2->next = arg3; |
1308 | arg3->next = NULL; | |
57e687d9 MS |
1309 | arg1->data.pointer = breakpoint; |
1310 | arg2->data.pointer = function; | |
1311 | arg3->data.pointer = old_chain; | |
43ff13b4 JM |
1312 | add_continuation (finish_command_continuation, arg1); |
1313 | } | |
1314 | ||
f941662f | 1315 | proceed_to_finish = 1; /* We want stop_registers, please... */ |
2acceee2 | 1316 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c | 1317 | |
43ff13b4 | 1318 | /* Do this only if not running asynchronously or if the target |
f941662f MK |
1319 | cannot do async execution. Otherwise, complete this command when |
1320 | the target actually stops, in fetch_inferior_event. */ | |
362646f5 | 1321 | if (!target_can_async_p ()) |
c5aa993b | 1322 | { |
f941662f | 1323 | /* Did we stop at our breakpoint? */ |
c5aa993b | 1324 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
f941662f | 1325 | && function != NULL) |
c5aa993b JM |
1326 | { |
1327 | struct type *value_type; | |
c5aa993b | 1328 | int struct_return; |
f941662f | 1329 | int gcc_compiled; |
c5aa993b JM |
1330 | |
1331 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1332 | if (!value_type) | |
8e65ff28 | 1333 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 1334 | _("finish_command: function has no target type")); |
c5aa993b | 1335 | |
f941662f | 1336 | /* FIXME: Shouldn't we do the cleanups before returning? */ |
c5aa993b JM |
1337 | if (TYPE_CODE (value_type) == TYPE_CODE_VOID) |
1338 | return; | |
1339 | ||
f941662f MK |
1340 | CHECK_TYPEDEF (value_type); |
1341 | gcc_compiled = BLOCK_GCC_COMPILED (SYMBOL_BLOCK_VALUE (function)); | |
1342 | struct_return = using_struct_return (value_type, gcc_compiled); | |
c5aa993b | 1343 | |
11cf8741 | 1344 | print_return_value (struct_return, value_type); |
c5aa993b | 1345 | } |
f941662f | 1346 | |
c5aa993b JM |
1347 | do_cleanups (old_chain); |
1348 | } | |
c906108c SS |
1349 | } |
1350 | \f | |
f941662f | 1351 | |
c906108c | 1352 | static void |
fba45db2 | 1353 | program_info (char *args, int from_tty) |
c906108c SS |
1354 | { |
1355 | bpstat bs = stop_bpstat; | |
1356 | int num = bpstat_num (&bs); | |
c5aa993b | 1357 | |
c906108c SS |
1358 | if (!target_has_execution) |
1359 | { | |
a3f17187 | 1360 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
1361 | return; |
1362 | } | |
1363 | ||
1364 | target_files_info (); | |
a3f17187 | 1365 | printf_filtered (_("Program stopped at %s.\n"), |
bb599908 | 1366 | hex_string ((unsigned long) stop_pc)); |
c906108c | 1367 | if (stop_step) |
a3f17187 | 1368 | printf_filtered (_("It stopped after being stepped.\n")); |
c906108c SS |
1369 | else if (num != 0) |
1370 | { | |
1371 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1372 | isn't as strange as it seems. */ |
c906108c SS |
1373 | while (num != 0) |
1374 | { | |
1375 | if (num < 0) | |
1376 | { | |
a3f17187 AC |
1377 | printf_filtered (_("\ |
1378 | It stopped at a breakpoint that has since been deleted.\n")); | |
c906108c SS |
1379 | } |
1380 | else | |
a3f17187 | 1381 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
c906108c SS |
1382 | num = bpstat_num (&bs); |
1383 | } | |
1384 | } | |
1385 | else if (stop_signal != TARGET_SIGNAL_0) | |
1386 | { | |
a3f17187 | 1387 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
c906108c SS |
1388 | target_signal_to_name (stop_signal), |
1389 | target_signal_to_string (stop_signal)); | |
1390 | } | |
1391 | ||
1392 | if (!from_tty) | |
1393 | { | |
a3f17187 AC |
1394 | printf_filtered (_("\ |
1395 | Type \"info stack\" or \"info registers\" for more information.\n")); | |
c906108c SS |
1396 | } |
1397 | } | |
1398 | \f | |
1399 | static void | |
fba45db2 | 1400 | environment_info (char *var, int from_tty) |
c906108c SS |
1401 | { |
1402 | if (var) | |
1403 | { | |
aa1ee363 | 1404 | char *val = get_in_environ (inferior_environ, var); |
c906108c SS |
1405 | if (val) |
1406 | { | |
1407 | puts_filtered (var); | |
1408 | puts_filtered (" = "); | |
1409 | puts_filtered (val); | |
1410 | puts_filtered ("\n"); | |
1411 | } | |
1412 | else | |
1413 | { | |
1414 | puts_filtered ("Environment variable \""); | |
1415 | puts_filtered (var); | |
1416 | puts_filtered ("\" not defined.\n"); | |
1417 | } | |
1418 | } | |
1419 | else | |
1420 | { | |
aa1ee363 | 1421 | char **vector = environ_vector (inferior_environ); |
c906108c SS |
1422 | while (*vector) |
1423 | { | |
1424 | puts_filtered (*vector++); | |
1425 | puts_filtered ("\n"); | |
1426 | } | |
1427 | } | |
1428 | } | |
1429 | ||
1430 | static void | |
fba45db2 | 1431 | set_environment_command (char *arg, int from_tty) |
c906108c | 1432 | { |
52f0bd74 | 1433 | char *p, *val, *var; |
c906108c SS |
1434 | int nullset = 0; |
1435 | ||
1436 | if (arg == 0) | |
e2e0b3e5 | 1437 | error_no_arg (_("environment variable and value")); |
c906108c SS |
1438 | |
1439 | /* Find seperation between variable name and value */ | |
1440 | p = (char *) strchr (arg, '='); | |
1441 | val = (char *) strchr (arg, ' '); | |
1442 | ||
1443 | if (p != 0 && val != 0) | |
1444 | { | |
1445 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1446 | equals, walk forward over the spaces til we see a nonspace |
1447 | (possibly the equals). */ | |
c906108c SS |
1448 | if (p > val) |
1449 | while (*val == ' ') | |
1450 | val++; | |
1451 | ||
1452 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1453 | take the char following the spaces. */ |
c906108c SS |
1454 | if (p > val) |
1455 | p = val - 1; | |
1456 | } | |
1457 | else if (val != 0 && p == 0) | |
1458 | p = val; | |
1459 | ||
1460 | if (p == arg) | |
e2e0b3e5 | 1461 | error_no_arg (_("environment variable to set")); |
c906108c SS |
1462 | |
1463 | if (p == 0 || p[1] == 0) | |
1464 | { | |
1465 | nullset = 1; | |
1466 | if (p == 0) | |
1467 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1468 | } | |
1469 | else | |
1470 | { | |
1471 | /* Not setting variable value to null */ | |
1472 | val = p + 1; | |
1473 | while (*val == ' ' || *val == '\t') | |
1474 | val++; | |
1475 | } | |
1476 | ||
c5aa993b JM |
1477 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1478 | p--; | |
c906108c SS |
1479 | |
1480 | var = savestring (arg, p - arg); | |
1481 | if (nullset) | |
1482 | { | |
a3f17187 AC |
1483 | printf_filtered (_("\ |
1484 | Setting environment variable \"%s\" to null value.\n"), | |
1485 | var); | |
c906108c SS |
1486 | set_in_environ (inferior_environ, var, ""); |
1487 | } | |
1488 | else | |
1489 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1490 | xfree (var); |
c906108c SS |
1491 | } |
1492 | ||
1493 | static void | |
fba45db2 | 1494 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1495 | { |
1496 | if (var == 0) | |
1497 | { | |
1498 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1499 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 1500 | if (!from_tty || query (_("Delete all environment variables? "))) |
c906108c SS |
1501 | { |
1502 | free_environ (inferior_environ); | |
1503 | inferior_environ = make_environ (); | |
1504 | } | |
1505 | } | |
1506 | else | |
1507 | unset_in_environ (inferior_environ, var); | |
1508 | } | |
1509 | ||
1510 | /* Handle the execution path (PATH variable) */ | |
1511 | ||
1512 | static const char path_var_name[] = "PATH"; | |
1513 | ||
c906108c | 1514 | static void |
fba45db2 | 1515 | path_info (char *args, int from_tty) |
c906108c SS |
1516 | { |
1517 | puts_filtered ("Executable and object file path: "); | |
1518 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1519 | puts_filtered ("\n"); | |
1520 | } | |
1521 | ||
1522 | /* Add zero or more directories to the front of the execution path. */ | |
1523 | ||
1524 | static void | |
fba45db2 | 1525 | path_command (char *dirname, int from_tty) |
c906108c SS |
1526 | { |
1527 | char *exec_path; | |
1528 | char *env; | |
1529 | dont_repeat (); | |
1530 | env = get_in_environ (inferior_environ, path_var_name); | |
1531 | /* Can be null if path is not set */ | |
1532 | if (!env) | |
1533 | env = ""; | |
4fcf66da | 1534 | exec_path = xstrdup (env); |
c906108c SS |
1535 | mod_path (dirname, &exec_path); |
1536 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1537 | xfree (exec_path); |
c906108c | 1538 | if (from_tty) |
c5aa993b | 1539 | path_info ((char *) NULL, from_tty); |
c906108c | 1540 | } |
c906108c | 1541 | \f |
c5aa993b | 1542 | |
4782dc19 | 1543 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1544 | registers (print_all == 1) or all non-float and non-vector |
1545 | registers (print_all == 0). | |
c906108c SS |
1546 | |
1547 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1548 | register(s) one per line is good enough. If a different format is |
1549 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1550 | regs), or there is an existing convention for showing all the | |
1551 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1552 | provide that format. */ | |
c906108c | 1553 | |
666e11c5 | 1554 | void |
0ab7a791 AC |
1555 | default_print_registers_info (struct gdbarch *gdbarch, |
1556 | struct ui_file *file, | |
1557 | struct frame_info *frame, | |
1558 | int regnum, int print_all) | |
c906108c | 1559 | { |
0ab7a791 AC |
1560 | int i; |
1561 | const int numregs = NUM_REGS + NUM_PSEUDO_REGS; | |
10c42a71 | 1562 | gdb_byte buffer[MAX_REGISTER_SIZE]; |
0ab7a791 | 1563 | |
c906108c SS |
1564 | for (i = 0; i < numregs; i++) |
1565 | { | |
4782dc19 AC |
1566 | /* Decide between printing all regs, non-float / vector regs, or |
1567 | specific reg. */ | |
c5aa993b JM |
1568 | if (regnum == -1) |
1569 | { | |
f9418c0f | 1570 | if (print_all) |
4782dc19 | 1571 | { |
f9418c0f | 1572 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1573 | continue; |
f9418c0f AC |
1574 | } |
1575 | else | |
1576 | { | |
1577 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1578 | continue; |
1579 | } | |
c5aa993b JM |
1580 | } |
1581 | else | |
1582 | { | |
1583 | if (i != regnum) | |
1584 | continue; | |
1585 | } | |
c906108c SS |
1586 | |
1587 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1588 | processor, so don't display anything. */ |
c906108c SS |
1589 | if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0') |
1590 | continue; | |
1591 | ||
0ab7a791 AC |
1592 | fputs_filtered (REGISTER_NAME (i), file); |
1593 | print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file); | |
c906108c SS |
1594 | |
1595 | /* Get the data in raw format. */ | |
9730f241 | 1596 | if (! frame_register_read (frame, i, buffer)) |
c906108c | 1597 | { |
0ab7a791 | 1598 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1599 | continue; |
1600 | } | |
1601 | ||
0ab7a791 AC |
1602 | /* If virtual format is floating, print it that way, and in raw |
1603 | hex. */ | |
7b83296f | 1604 | if (TYPE_CODE (register_type (current_gdbarch, i)) == TYPE_CODE_FLT) |
c906108c | 1605 | { |
0ab7a791 | 1606 | int j; |
c906108c | 1607 | |
9730f241 | 1608 | val_print (register_type (current_gdbarch, i), buffer, 0, 0, |
0ab7a791 | 1609 | file, 0, 1, 0, Val_pretty_default); |
c906108c | 1610 | |
0ab7a791 | 1611 | fprintf_filtered (file, "\t(raw 0x"); |
3acba339 | 1612 | for (j = 0; j < register_size (current_gdbarch, i); j++) |
c906108c | 1613 | { |
0ab7a791 AC |
1614 | int idx; |
1615 | if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) | |
1616 | idx = j; | |
1617 | else | |
3acba339 | 1618 | idx = register_size (current_gdbarch, i) - 1 - j; |
9730f241 | 1619 | fprintf_filtered (file, "%02x", (unsigned char) buffer[idx]); |
c906108c | 1620 | } |
0ab7a791 | 1621 | fprintf_filtered (file, ")"); |
c906108c | 1622 | } |
c906108c SS |
1623 | else |
1624 | { | |
ab4327e0 | 1625 | /* Print the register in hex. */ |
9730f241 | 1626 | val_print (register_type (current_gdbarch, i), buffer, 0, 0, |
9d84ac84 | 1627 | file, 'x', 1, 0, Val_pretty_default); |
ab4327e0 EZ |
1628 | /* If not a vector register, print it also according to its |
1629 | natural format. */ | |
7b83296f | 1630 | if (TYPE_VECTOR (register_type (current_gdbarch, i)) == 0) |
ab4327e0 | 1631 | { |
9d84ac84 | 1632 | fprintf_filtered (file, "\t"); |
9730f241 | 1633 | val_print (register_type (current_gdbarch, i), buffer, 0, 0, |
9d84ac84 | 1634 | file, 0, 1, 0, Val_pretty_default); |
ab4327e0 | 1635 | } |
c906108c SS |
1636 | } |
1637 | ||
0ab7a791 | 1638 | fprintf_filtered (file, "\n"); |
c906108c SS |
1639 | } |
1640 | } | |
c906108c | 1641 | |
c906108c | 1642 | void |
fba45db2 | 1643 | registers_info (char *addr_exp, int fpregs) |
c906108c SS |
1644 | { |
1645 | int regnum, numregs; | |
52f0bd74 | 1646 | char *end; |
c906108c SS |
1647 | |
1648 | if (!target_has_registers) | |
8a3fe4f8 | 1649 | error (_("The program has no registers now.")); |
6e7f8b9c | 1650 | if (deprecated_selected_frame == NULL) |
8a3fe4f8 | 1651 | error (_("No selected frame.")); |
c906108c SS |
1652 | |
1653 | if (!addr_exp) | |
1654 | { | |
0ab7a791 | 1655 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, |
6e7f8b9c | 1656 | deprecated_selected_frame, -1, fpregs); |
c906108c SS |
1657 | return; |
1658 | } | |
1659 | ||
f9418c0f | 1660 | while (*addr_exp != '\0') |
c5aa993b | 1661 | { |
f9418c0f AC |
1662 | char *start; |
1663 | const char *end; | |
c906108c | 1664 | |
f9418c0f AC |
1665 | /* Keep skipping leading white space. */ |
1666 | if (isspace ((*addr_exp))) | |
1667 | { | |
1668 | addr_exp++; | |
1669 | continue; | |
1670 | } | |
c906108c | 1671 | |
f9418c0f AC |
1672 | /* Discard any leading ``$''. Check that there is something |
1673 | resembling a register following it. */ | |
1674 | if (addr_exp[0] == '$') | |
1675 | addr_exp++; | |
1676 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 1677 | error (_("Missing register name")); |
c906108c | 1678 | |
f9418c0f AC |
1679 | /* Find the start/end of this register name/num/group. */ |
1680 | start = addr_exp; | |
1681 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1682 | addr_exp++; | |
1683 | end = addr_exp; | |
1684 | ||
1685 | /* Figure out what we've found and display it. */ | |
1686 | ||
1687 | /* A register name? */ | |
1688 | { | |
eb8bc282 AC |
1689 | int regnum = frame_map_name_to_regnum (deprecated_selected_frame, |
1690 | start, end - start); | |
f9418c0f AC |
1691 | if (regnum >= 0) |
1692 | { | |
1693 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1694 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1695 | continue; |
1696 | } | |
1697 | } | |
1698 | ||
1699 | /* A register number? (how portable is this one?). */ | |
1700 | { | |
1701 | char *endptr; | |
1702 | int regnum = strtol (start, &endptr, 0); | |
1703 | if (endptr == end | |
1704 | && regnum >= 0 | |
1705 | && regnum < NUM_REGS + NUM_PSEUDO_REGS) | |
1706 | { | |
1707 | gdbarch_print_registers_info (current_gdbarch, gdb_stdout, | |
6e7f8b9c | 1708 | deprecated_selected_frame, regnum, fpregs); |
f9418c0f AC |
1709 | continue; |
1710 | } | |
1711 | } | |
1712 | ||
1713 | /* A register group? */ | |
1714 | { | |
6c7d17ba AC |
1715 | struct reggroup *group; |
1716 | for (group = reggroup_next (current_gdbarch, NULL); | |
1717 | group != NULL; | |
1718 | group = reggroup_next (current_gdbarch, group)) | |
f9418c0f AC |
1719 | { |
1720 | /* Don't bother with a length check. Should the user | |
1721 | enter a short register group name, go with the first | |
1722 | group that matches. */ | |
6c7d17ba | 1723 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
1724 | break; |
1725 | } | |
6c7d17ba | 1726 | if (group != NULL) |
f9418c0f AC |
1727 | { |
1728 | int regnum; | |
1729 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) | |
1730 | { | |
1731 | if (gdbarch_register_reggroup_p (current_gdbarch, regnum, | |
6c7d17ba | 1732 | group)) |
f9418c0f | 1733 | gdbarch_print_registers_info (current_gdbarch, |
6e7f8b9c | 1734 | gdb_stdout, deprecated_selected_frame, |
f9418c0f AC |
1735 | regnum, fpregs); |
1736 | } | |
1737 | continue; | |
1738 | } | |
1739 | } | |
c906108c | 1740 | |
f9418c0f | 1741 | /* Nothing matched. */ |
8a3fe4f8 | 1742 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 1743 | } |
c906108c SS |
1744 | } |
1745 | ||
1746 | void | |
fba45db2 | 1747 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1748 | { |
1749 | registers_info (addr_exp, 1); | |
1750 | } | |
1751 | ||
a58dd373 | 1752 | static void |
fba45db2 | 1753 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1754 | { |
1755 | registers_info (addr_exp, 0); | |
1756 | } | |
e76f1f2e AC |
1757 | |
1758 | static void | |
1759 | print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, | |
1760 | struct frame_info *frame, const char *args) | |
1761 | { | |
e71ecd70 | 1762 | if (!target_has_registers) |
8a3fe4f8 | 1763 | error (_("The program has no registers now.")); |
6e7f8b9c | 1764 | if (deprecated_selected_frame == NULL) |
8a3fe4f8 | 1765 | error (_("No selected frame.")); |
e71ecd70 | 1766 | |
e76f1f2e AC |
1767 | if (gdbarch_print_vector_info_p (gdbarch)) |
1768 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
1769 | else | |
1770 | { | |
1771 | int regnum; | |
1772 | int printed_something = 0; | |
ab4327e0 | 1773 | |
e76f1f2e AC |
1774 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1775 | { | |
f9418c0f | 1776 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
1777 | { |
1778 | printed_something = 1; | |
e76f1f2e | 1779 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
1780 | } |
1781 | } | |
1782 | if (!printed_something) | |
1783 | fprintf_filtered (file, "No vector information\n"); | |
1784 | } | |
1785 | } | |
1786 | ||
1787 | static void | |
1788 | vector_info (char *args, int from_tty) | |
1789 | { | |
6e7f8b9c | 1790 | print_vector_info (current_gdbarch, gdb_stdout, deprecated_selected_frame, args); |
e76f1f2e | 1791 | } |
c906108c | 1792 | \f |
c5aa993b | 1793 | |
c906108c SS |
1794 | /* |
1795 | * TODO: | |
1796 | * Should save/restore the tty state since it might be that the | |
1797 | * program to be debugged was started on this tty and it wants | |
1798 | * the tty in some state other than what we want. If it's running | |
1799 | * on another terminal or without a terminal, then saving and | |
1800 | * restoring the tty state is a harmless no-op. | |
1801 | * This only needs to be done if we are attaching to a process. | |
1802 | */ | |
1803 | ||
1804 | /* | |
1805 | attach_command -- | |
1806 | takes a program started up outside of gdb and ``attaches'' to it. | |
1807 | This stops it cold in its tracks and allows us to start debugging it. | |
1808 | and wait for the trace-trap that results from attaching. */ | |
1809 | ||
1810 | void | |
fba45db2 | 1811 | attach_command (char *args, int from_tty) |
c906108c | 1812 | { |
c5aa993b JM |
1813 | char *exec_file; |
1814 | char *full_exec_path = NULL; | |
c906108c | 1815 | |
c5aa993b | 1816 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1817 | |
1818 | if (target_has_execution) | |
1819 | { | |
1820 | if (query ("A program is being debugged already. Kill it? ")) | |
1821 | target_kill (); | |
1822 | else | |
8a3fe4f8 | 1823 | error (_("Not killed.")); |
c906108c SS |
1824 | } |
1825 | ||
4bcff7eb CV |
1826 | /* Clear out solib state. Otherwise the solib state of the previous |
1827 | inferior might have survived and is entirely wrong for the new | |
1828 | target. This has been observed on Linux using glibc 2.3. How to | |
1829 | reproduce: | |
1830 | ||
1831 | bash$ ./foo& | |
1832 | [1] 4711 | |
1833 | bash$ ./foo& | |
1834 | [1] 4712 | |
1835 | bash$ gdb ./foo | |
1836 | [...] | |
1837 | (gdb) attach 4711 | |
1838 | (gdb) detach | |
1839 | (gdb) attach 4712 | |
1840 | Cannot access memory at address 0xdeadbeef | |
1841 | */ | |
1842 | #ifdef CLEAR_SOLIB | |
1843 | CLEAR_SOLIB (); | |
a77053c2 MK |
1844 | #else |
1845 | clear_solib (); | |
4bcff7eb CV |
1846 | #endif |
1847 | ||
c906108c SS |
1848 | target_attach (args, from_tty); |
1849 | ||
1850 | /* Set up the "saved terminal modes" of the inferior | |
1851 | based on what modes we are starting it with. */ | |
1852 | target_terminal_init (); | |
1853 | ||
c906108c SS |
1854 | /* Set up execution context to know that we should return from |
1855 | wait_for_inferior as soon as the target reports a stop. */ | |
1856 | init_wait_for_inferior (); | |
1857 | clear_proceed_status (); | |
c906108c SS |
1858 | |
1859 | /* No traps are generated when attaching to inferior under Mach 3 | |
1860 | or GNU hurd. */ | |
1861 | #ifndef ATTACH_NO_WAIT | |
c54cfec8 EZ |
1862 | /* Careful here. See comments in inferior.h. Basically some OSes |
1863 | don't ignore SIGSTOPs on continue requests anymore. We need a | |
1864 | way for handle_inferior_event to reset the stop_signal variable | |
1865 | after an attach, and this is what STOP_QUIETLY_NO_SIGSTOP is for. */ | |
c0236d92 | 1866 | stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c906108c | 1867 | wait_for_inferior (); |
c0236d92 | 1868 | stop_soon = NO_STOP_QUIETLY; |
c906108c SS |
1869 | #endif |
1870 | ||
1871 | /* | |
1872 | * If no exec file is yet known, try to determine it from the | |
1873 | * process itself. | |
1874 | */ | |
1875 | exec_file = (char *) get_exec_file (0); | |
c5aa993b JM |
1876 | if (!exec_file) |
1877 | { | |
39f77062 | 1878 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); |
c5aa993b JM |
1879 | if (exec_file) |
1880 | { | |
1881 | /* It's possible we don't have a full path, but rather just a | |
1882 | filename. Some targets, such as HP-UX, don't provide the | |
1883 | full path, sigh. | |
1884 | ||
1885 | Attempt to qualify the filename against the source path. | |
1886 | (If that fails, we'll just fall back on the original | |
1887 | filename. Not much more we can do...) | |
1888 | */ | |
1889 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1890 | full_exec_path = savestring (exec_file, strlen (exec_file)); | |
1891 | ||
1892 | exec_file_attach (full_exec_path, from_tty); | |
1adeb98a | 1893 | symbol_file_add_main (full_exec_path, from_tty); |
c5aa993b | 1894 | } |
c906108c | 1895 | } |
63ed89b4 DJ |
1896 | else |
1897 | { | |
1898 | reopen_exec_file (); | |
1899 | reread_symbols (); | |
1900 | } | |
c906108c SS |
1901 | |
1902 | #ifdef SOLIB_ADD | |
990f9fe3 FF |
1903 | /* Add shared library symbols from the newly attached process, if any. */ |
1904 | SOLIB_ADD ((char *) 0, from_tty, ¤t_target, auto_solib_add); | |
a77053c2 MK |
1905 | #else |
1906 | solib_add (NULL, from_tty, ¤t_target, auto_solib_add); | |
c906108c | 1907 | #endif |
a77053c2 | 1908 | re_enable_breakpoints_in_shlibs (); |
c906108c SS |
1909 | |
1910 | /* Take any necessary post-attaching actions for this platform. | |
c5aa993b | 1911 | */ |
39f77062 | 1912 | target_post_attach (PIDGET (inferior_ptid)); |
c906108c | 1913 | |
79acc9b3 CV |
1914 | /* Install inferior's terminal modes. */ |
1915 | target_terminal_inferior (); | |
1916 | ||
c906108c | 1917 | normal_stop (); |
6426a772 | 1918 | |
9a4105ab AC |
1919 | if (deprecated_attach_hook) |
1920 | deprecated_attach_hook (); | |
c906108c SS |
1921 | } |
1922 | ||
1923 | /* | |
1924 | * detach_command -- | |
1925 | * takes a program previously attached to and detaches it. | |
1926 | * The program resumes execution and will no longer stop | |
1927 | * on signals, etc. We better not have left any breakpoints | |
1928 | * in the program or it'll die when it hits one. For this | |
1929 | * to work, it may be necessary for the process to have been | |
1930 | * previously attached. It *might* work if the program was | |
1931 | * started via the normal ptrace (PTRACE_TRACEME). | |
1932 | */ | |
1933 | ||
1934 | static void | |
fba45db2 | 1935 | detach_command (char *args, int from_tty) |
c906108c | 1936 | { |
1f5d0fc9 | 1937 | dont_repeat (); /* Not for the faint of heart. */ |
c906108c SS |
1938 | target_detach (args, from_tty); |
1939 | #if defined(SOLIB_RESTART) | |
1940 | SOLIB_RESTART (); | |
1941 | #endif | |
9a4105ab AC |
1942 | if (deprecated_detach_hook) |
1943 | deprecated_detach_hook (); | |
c906108c SS |
1944 | } |
1945 | ||
6ad8ae5c DJ |
1946 | /* Disconnect from the current target without resuming it (leaving it |
1947 | waiting for a debugger). | |
1948 | ||
1949 | We'd better not have left any breakpoints in the program or the | |
1950 | next debugger will get confused. Currently only supported for some | |
1951 | remote targets, since the normal attach mechanisms don't work on | |
1952 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
1953 | ||
1954 | static void | |
1955 | disconnect_command (char *args, int from_tty) | |
1956 | { | |
1957 | dont_repeat (); /* Not for the faint of heart */ | |
1958 | target_disconnect (args, from_tty); | |
1959 | #if defined(SOLIB_RESTART) | |
1960 | SOLIB_RESTART (); | |
1961 | #endif | |
9a4105ab AC |
1962 | if (deprecated_detach_hook) |
1963 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
1964 | } |
1965 | ||
43ff13b4 JM |
1966 | /* Stop the execution of the target while running in async mode, in |
1967 | the backgound. */ | |
8b93c638 | 1968 | void |
fba45db2 | 1969 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 1970 | { |
362646f5 | 1971 | if (target_can_async_p ()) |
43ff13b4 | 1972 | { |
c5aa993b | 1973 | dont_repeat (); /* Not for the faint of heart */ |
43ff13b4 JM |
1974 | target_stop (); |
1975 | } | |
1976 | } | |
1977 | ||
c906108c | 1978 | static void |
23e3a7ac AC |
1979 | print_float_info (struct gdbarch *gdbarch, struct ui_file *file, |
1980 | struct frame_info *frame, const char *args) | |
c906108c | 1981 | { |
e71ecd70 | 1982 | if (!target_has_registers) |
8a3fe4f8 | 1983 | error (_("The program has no registers now.")); |
6e7f8b9c | 1984 | if (deprecated_selected_frame == NULL) |
8a3fe4f8 | 1985 | error (_("No selected frame.")); |
e71ecd70 | 1986 | |
23e3a7ac AC |
1987 | if (gdbarch_print_float_info_p (gdbarch)) |
1988 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
1989 | else | |
1990 | { | |
23e3a7ac AC |
1991 | int regnum; |
1992 | int printed_something = 0; | |
ab4327e0 | 1993 | |
23e3a7ac AC |
1994 | for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) |
1995 | { | |
f9418c0f | 1996 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
1997 | { |
1998 | printed_something = 1; | |
23e3a7ac | 1999 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
2000 | } |
2001 | } | |
2002 | if (!printed_something) | |
2003 | fprintf_filtered (file, "\ | |
2004 | No floating-point info available for this processor.\n"); | |
23e3a7ac AC |
2005 | } |
2006 | } | |
2007 | ||
2008 | static void | |
2009 | float_info (char *args, int from_tty) | |
2010 | { | |
1f5d0fc9 MS |
2011 | print_float_info (current_gdbarch, gdb_stdout, |
2012 | deprecated_selected_frame, args); | |
c906108c SS |
2013 | } |
2014 | \f | |
c906108c | 2015 | static void |
fba45db2 | 2016 | unset_command (char *args, int from_tty) |
c906108c | 2017 | { |
a3f17187 AC |
2018 | printf_filtered (_("\ |
2019 | \"unset\" must be followed by the name of an unset subcommand.\n")); | |
c906108c SS |
2020 | help_list (unsetlist, "unset ", -1, gdb_stdout); |
2021 | } | |
2022 | ||
2023 | void | |
fba45db2 | 2024 | _initialize_infcmd (void) |
c906108c | 2025 | { |
3cb3b8df BR |
2026 | struct cmd_list_element *c = NULL; |
2027 | ||
2028 | /* add the filename of the terminal connected to inferior I/O */ | |
2029 | add_setshow_filename_cmd ("inferior-tty", class_run, | |
2030 | &inferior_io_terminal, _("\ | |
2031 | Set terminal for future runs of program being debugged."), _("\ | |
2032 | Show terminal for future runs of program being debugged."), _("\ | |
2033 | Usage: set inferior-tty /dev/pts/1"), NULL, NULL, &setlist, &showlist); | |
2034 | add_com_alias ("tty", "set inferior-tty", class_alias, 0); | |
c906108c | 2035 | |
b4b4ac0b AC |
2036 | add_setshow_optional_filename_cmd ("args", class_run, |
2037 | &inferior_args, _("\ | |
2038 | Set argument list to give program being debugged when it is started."), _("\ | |
2039 | Show argument list to give program being debugged when it is started."), _("\ | |
2040 | Follow this command with any number of args, to be passed to the program."), | |
2041 | notice_args_set, | |
2042 | notice_args_read, | |
2043 | &setlist, &showlist); | |
c906108c | 2044 | |
1a966eab AC |
2045 | c = add_cmd ("environment", no_class, environment_info, _("\ |
2046 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
2047 | With an argument VAR, prints the value of environment variable VAR to\n\ |
2048 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 2049 | environment to be given to the program."), &showlist); |
5ba2abeb | 2050 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2051 | |
2052 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 2053 | _("Complement to certain \"set\" commands."), |
c906108c | 2054 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2055 | |
1a966eab AC |
2056 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
2057 | Cancel environment variable VAR for the program.\n\ | |
2058 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 2059 | &unsetlist); |
5ba2abeb | 2060 | set_cmd_completer (c, noop_completer); |
c906108c | 2061 | |
1a966eab AC |
2062 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
2063 | Set environment variable value to give the program.\n\ | |
c906108c SS |
2064 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
2065 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 2066 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 2067 | &setlist); |
5ba2abeb | 2068 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2069 | |
1bedd215 AC |
2070 | c = add_com ("path", class_files, path_command, _("\ |
2071 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2072 | $cwd in the path means the current working directory.\n\ |
2073 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2074 | directories, separated by colons. These directories are searched to find\n\ | |
1bedd215 | 2075 | fully linked executable files and separately compiled object files as needed.")); |
5ba2abeb | 2076 | set_cmd_completer (c, filename_completer); |
c906108c | 2077 | |
1a966eab AC |
2078 | c = add_cmd ("paths", no_class, path_info, _("\ |
2079 | Current search path for finding object files.\n\ | |
c906108c SS |
2080 | $cwd in the path means the current working directory.\n\ |
2081 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2082 | directories, separated by colons. These directories are searched to find\n\ | |
1a966eab | 2083 | fully linked executable files and separately compiled object files as needed."), |
c906108c | 2084 | &showlist); |
5ba2abeb | 2085 | set_cmd_completer (c, noop_completer); |
c906108c | 2086 | |
1bedd215 AC |
2087 | add_com ("attach", class_run, attach_command, _("\ |
2088 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2089 | This command attaches to another target, of the same type as your last\n\ |
2090 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2091 | The command may take as argument a process id or a device file.\n\ | |
2092 | For a process id, you must have permission to send the process a signal,\n\ | |
2093 | and it must have the same effective uid as the debugger.\n\ | |
2094 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2095 | program running in the process, looking first in the current working\n\ | |
2096 | directory, or (if not found there) using the source file search path\n\ | |
2097 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 2098 | to specify the program, and to load its symbol table.")); |
c906108c | 2099 | |
1bedd215 AC |
2100 | add_com ("detach", class_run, detach_command, _("\ |
2101 | Detach a process or file previously attached.\n\ | |
c906108c | 2102 | If a process, it is no longer traced, and it continues its execution. If\n\ |
1bedd215 | 2103 | you were debugging a file, the file is closed and gdb no longer accesses it.")); |
c906108c | 2104 | |
1bedd215 AC |
2105 | add_com ("disconnect", class_run, disconnect_command, _("\ |
2106 | Disconnect from a target.\n\ | |
6ad8ae5c | 2107 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 2108 | all targets.")); |
6ad8ae5c | 2109 | |
1bedd215 AC |
2110 | add_com ("signal", class_run, signal_command, _("\ |
2111 | Continue program giving it signal specified by the argument.\n\ | |
2112 | An argument of \"0\" means continue program without giving it a signal.")); | |
c906108c | 2113 | |
1bedd215 AC |
2114 | add_com ("stepi", class_run, stepi_command, _("\ |
2115 | Step one instruction exactly.\n\ | |
2116 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2117 | add_com_alias ("si", "stepi", class_alias, 0); |
2118 | ||
1bedd215 AC |
2119 | add_com ("nexti", class_run, nexti_command, _("\ |
2120 | Step one instruction, but proceed through subroutine calls.\n\ | |
2121 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2122 | add_com_alias ("ni", "nexti", class_alias, 0); |
2123 | ||
1bedd215 AC |
2124 | add_com ("finish", class_run, finish_command, _("\ |
2125 | Execute until selected stack frame returns.\n\ | |
2126 | Upon return, the value returned is printed and put in the value history.")); | |
c906108c | 2127 | |
1bedd215 AC |
2128 | add_com ("next", class_run, next_command, _("\ |
2129 | Step program, proceeding through subroutine calls.\n\ | |
c906108c SS |
2130 | Like the \"step\" command as long as subroutine calls do not happen;\n\ |
2131 | when they do, the call is treated as one instruction.\n\ | |
1bedd215 | 2132 | Argument N means do this N times (or till program stops for another reason).")); |
c906108c SS |
2133 | add_com_alias ("n", "next", class_run, 1); |
2134 | if (xdb_commands) | |
c5aa993b | 2135 | add_com_alias ("S", "next", class_run, 1); |
c906108c | 2136 | |
1bedd215 AC |
2137 | add_com ("step", class_run, step_command, _("\ |
2138 | Step program until it reaches a different source line.\n\ | |
2139 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2140 | add_com_alias ("s", "step", class_run, 1); |
2141 | ||
1bedd215 AC |
2142 | c = add_com ("until", class_run, until_command, _("\ |
2143 | Execute until the program reaches a source line greater than the current\n\ | |
2144 | or a specified location (same args as break command) within the current frame.")); | |
5ba2abeb | 2145 | set_cmd_completer (c, location_completer); |
c906108c | 2146 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2147 | |
1bedd215 AC |
2148 | c = add_com ("advance", class_run, advance_command, _("\ |
2149 | Continue the program up to the given location (same form as args for break command).\n\ | |
2150 | Execution will also stop upon exit from the current stack frame.")); | |
ae66c1fc EZ |
2151 | set_cmd_completer (c, location_completer); |
2152 | ||
1bedd215 AC |
2153 | c = add_com ("jump", class_run, jump_command, _("\ |
2154 | Continue program being debugged at specified line or address.\n\ | |
c906108c | 2155 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 2156 | for an address to start at.")); |
5ba2abeb | 2157 | set_cmd_completer (c, location_completer); |
c906108c | 2158 | |
b83266a0 | 2159 | if (xdb_commands) |
c94fdfd0 | 2160 | { |
1bedd215 AC |
2161 | c = add_com ("go", class_run, go_command, _("\ |
2162 | Usage: go <location>\n\ | |
c906108c SS |
2163 | Continue program being debugged, stopping at specified line or \n\ |
2164 | address.\n\ | |
2165 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2166 | expression for an address to start at.\n\ | |
1bedd215 | 2167 | This command is a combination of tbreak and jump.")); |
5ba2abeb | 2168 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2169 | } |
b83266a0 | 2170 | |
c906108c | 2171 | if (xdb_commands) |
c5aa993b | 2172 | add_com_alias ("g", "go", class_run, 1); |
c906108c | 2173 | |
1bedd215 AC |
2174 | add_com ("continue", class_run, continue_command, _("\ |
2175 | Continue program being debugged, after signal or breakpoint.\n\ | |
c906108c SS |
2176 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
2177 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
1bedd215 | 2178 | the breakpoint won't break until the Nth time it is reached).")); |
c906108c SS |
2179 | add_com_alias ("c", "cont", class_run, 1); |
2180 | add_com_alias ("fg", "cont", class_run, 1); | |
2181 | ||
1bedd215 AC |
2182 | c = add_com ("run", class_run, run_command, _("\ |
2183 | Start debugged program. You may specify arguments to give it.\n\ | |
c906108c SS |
2184 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ |
2185 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2186 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2187 | To cancel previous arguments and run with no arguments,\n\ | |
1bedd215 | 2188 | use \"set args\" without arguments.")); |
5ba2abeb | 2189 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2190 | add_com_alias ("r", "run", class_run, 1); |
2191 | if (xdb_commands) | |
2192 | add_com ("R", class_run, run_no_args_command, | |
1bedd215 | 2193 | _("Start debugged program with no arguments.")); |
c906108c | 2194 | |
1bedd215 | 2195 | c = add_com ("start", class_run, start_command, _("\ |
a4d5f2e0 JB |
2196 | Run the debugged program until the beginning of the main procedure.\n\ |
2197 | You may specify arguments to give to your program, just as with the\n\ | |
1bedd215 | 2198 | \"run\" command.")); |
a4d5f2e0 JB |
2199 | set_cmd_completer (c, filename_completer); |
2200 | ||
43ff13b4 | 2201 | add_com ("interrupt", class_run, interrupt_target_command, |
1bedd215 | 2202 | _("Interrupt the execution of the debugged program.")); |
43ff13b4 | 2203 | |
1bedd215 AC |
2204 | add_info ("registers", nofp_registers_info, _("\ |
2205 | List of integer registers and their contents, for selected stack frame.\n\ | |
2206 | Register name as argument means describe only that register.")); | |
7194c49b | 2207 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2208 | |
2209 | if (xdb_commands) | |
1bedd215 AC |
2210 | add_com ("lr", class_info, nofp_registers_info, _("\ |
2211 | List of integer registers and their contents, for selected stack frame.\n\ | |
2212 | Register name as argument means describe only that register.")); | |
2213 | add_info ("all-registers", all_registers_info, _("\ | |
2214 | List of all registers and their contents, for selected stack frame.\n\ | |
2215 | Register name as argument means describe only that register.")); | |
c906108c SS |
2216 | |
2217 | add_info ("program", program_info, | |
1bedd215 | 2218 | _("Execution status of the program.")); |
c906108c SS |
2219 | |
2220 | add_info ("float", float_info, | |
1bedd215 | 2221 | _("Print the status of the floating point unit\n")); |
c906108c | 2222 | |
e76f1f2e | 2223 | add_info ("vector", vector_info, |
1bedd215 | 2224 | _("Print the status of the vector unit\n")); |
e76f1f2e | 2225 | |
c906108c SS |
2226 | inferior_environ = make_environ (); |
2227 | init_environ (inferior_environ); | |
2228 | } |