Commit | Line | Data |
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c906108c | 1 | /* Memory-access and commands for "inferior" process, for GDB. |
990a07ab | 2 | |
6aba47ca | 3 | Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
9b254dd1 DJ |
4 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, |
5 | 2008 Free Software Foundation, Inc. | |
c906108c | 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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 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 | 19 | You should have received a copy of the GNU General Public License |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include <signal.h> | |
24 | #include "gdb_string.h" | |
25 | #include "symtab.h" | |
26 | #include "gdbtypes.h" | |
27 | #include "frame.h" | |
28 | #include "inferior.h" | |
29 | #include "environ.h" | |
30 | #include "value.h" | |
31 | #include "gdbcmd.h" | |
1adeb98a | 32 | #include "symfile.h" |
c906108c SS |
33 | #include "gdbcore.h" |
34 | #include "target.h" | |
35 | #include "language.h" | |
36 | #include "symfile.h" | |
37 | #include "objfiles.h" | |
c94fdfd0 | 38 | #include "completer.h" |
8b93c638 | 39 | #include "ui-out.h" |
6426a772 | 40 | #include "event-top.h" |
96baa820 | 41 | #include "parser-defs.h" |
36160dc4 | 42 | #include "regcache.h" |
f9418c0f | 43 | #include "reggroups.h" |
fe898f56 | 44 | #include "block.h" |
a77053c2 | 45 | #include "solib.h" |
f9418c0f | 46 | #include <ctype.h> |
92ad9cd9 | 47 | #include "gdb_assert.h" |
281b533b | 48 | #include "observer.h" |
424163ea | 49 | #include "target-descriptions.h" |
ad842144 | 50 | #include "user-regs.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 | ||
8f536afe | 70 | static void print_return_value (struct type *value_type); |
11cf8741 | 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 | { | |
b79599ff DP |
408 | /* Be sure we own the terminal in case write operations are performed. */ |
409 | target_terminal_ours (); | |
410 | ||
424163ea DJ |
411 | /* If the target hasn't taken care of this already, do it now. |
412 | Targets which need to access registers during to_open, | |
413 | to_create_inferior, or to_attach should do it earlier; but many | |
414 | don't need to. */ | |
415 | target_find_description (); | |
416 | ||
9353355f DJ |
417 | if (exec_bfd) |
418 | { | |
419 | /* Sometimes the platform-specific hook loads initial shared | |
420 | libraries, and sometimes it doesn't. Try to do so first, so | |
de1b3c3d PA |
421 | that we can add them with the correct value for FROM_TTY. |
422 | If we made all the inferior hook methods consistent, | |
423 | this call could be removed. */ | |
9353355f DJ |
424 | #ifdef SOLIB_ADD |
425 | SOLIB_ADD (NULL, from_tty, target, auto_solib_add); | |
426 | #else | |
427 | solib_add (NULL, from_tty, target, auto_solib_add); | |
428 | #endif | |
429 | ||
430 | /* Create the hooks to handle shared library load and unload | |
431 | events. */ | |
432 | #ifdef SOLIB_CREATE_INFERIOR_HOOK | |
37706b70 | 433 | SOLIB_CREATE_INFERIOR_HOOK (PIDGET (inferior_ptid)); |
9353355f DJ |
434 | #else |
435 | solib_create_inferior_hook (); | |
436 | #endif | |
9353355f DJ |
437 | } |
438 | ||
281b533b DJ |
439 | observer_notify_inferior_created (target, from_tty); |
440 | } | |
441 | ||
a4d5f2e0 JB |
442 | /* Kill the inferior if already running. This function is designed |
443 | to be called when we are about to start the execution of the program | |
444 | from the beginning. Ask the user to confirm that he wants to restart | |
445 | the program being debugged when FROM_TTY is non-null. */ | |
c906108c | 446 | |
a4d5f2e0 JB |
447 | void |
448 | kill_if_already_running (int from_tty) | |
449 | { | |
39f77062 | 450 | if (! ptid_equal (inferior_ptid, null_ptid) && target_has_execution) |
c906108c | 451 | { |
adf40b2e JM |
452 | if (from_tty |
453 | && !query ("The program being debugged has been started already.\n\ | |
c906108c | 454 | Start it from the beginning? ")) |
8a3fe4f8 | 455 | error (_("Program not restarted.")); |
c906108c SS |
456 | target_kill (); |
457 | #if defined(SOLIB_RESTART) | |
458 | SOLIB_RESTART (); | |
459 | #endif | |
460 | init_wait_for_inferior (); | |
461 | } | |
a4d5f2e0 JB |
462 | } |
463 | ||
f67a969f JB |
464 | /* Implement the "run" command. If TBREAK_AT_MAIN is set, then insert |
465 | a temporary breakpoint at the begining of the main program before | |
466 | running the program. */ | |
467 | ||
a4d5f2e0 | 468 | static void |
f67a969f | 469 | run_command_1 (char *args, int from_tty, int tbreak_at_main) |
a4d5f2e0 JB |
470 | { |
471 | char *exec_file; | |
c906108c | 472 | |
a4d5f2e0 JB |
473 | dont_repeat (); |
474 | ||
475 | kill_if_already_running (from_tty); | |
c906108c SS |
476 | clear_breakpoint_hit_counts (); |
477 | ||
fd79ecee DJ |
478 | /* Clean up any leftovers from other runs. Some other things from |
479 | this function should probably be moved into target_pre_inferior. */ | |
480 | target_pre_inferior (from_tty); | |
481 | ||
c906108c SS |
482 | /* Purge old solib objfiles. */ |
483 | objfile_purge_solibs (); | |
484 | ||
615b9dba | 485 | clear_solib (); |
c906108c | 486 | |
39ad761d JB |
487 | /* The comment here used to read, "The exec file is re-read every |
488 | time we do a generic_mourn_inferior, so we just have to worry | |
489 | about the symbol file." The `generic_mourn_inferior' function | |
490 | gets called whenever the program exits. However, suppose the | |
491 | program exits, and *then* the executable file changes? We need | |
492 | to check again here. Since reopen_exec_file doesn't do anything | |
493 | if the timestamp hasn't changed, I don't see the harm. */ | |
494 | reopen_exec_file (); | |
c906108c SS |
495 | reread_symbols (); |
496 | ||
f67a969f JB |
497 | /* Insert the temporary breakpoint if a location was specified. */ |
498 | if (tbreak_at_main) | |
499 | tbreak_command (main_name (), 0); | |
500 | ||
39ad761d JB |
501 | exec_file = (char *) get_exec_file (0); |
502 | ||
c906108c SS |
503 | /* We keep symbols from add-symbol-file, on the grounds that the |
504 | user might want to add some symbols before running the program | |
505 | (right?). But sometimes (dynamic loading where the user manually | |
506 | introduces the new symbols with add-symbol-file), the code which | |
507 | the symbols describe does not persist between runs. Currently | |
508 | the user has to manually nuke all symbols between runs if they | |
509 | want them to go away (PR 2207). This is probably reasonable. */ | |
510 | ||
43ff13b4 | 511 | if (!args) |
6426a772 | 512 | { |
362646f5 | 513 | if (target_can_async_p ()) |
6426a772 JM |
514 | async_disable_stdin (); |
515 | } | |
43ff13b4 | 516 | else |
c906108c | 517 | { |
43ff13b4 JM |
518 | int async_exec = strip_bg_char (&args); |
519 | ||
520 | /* If we get a request for running in the bg but the target | |
521 | doesn't support it, error out. */ | |
362646f5 | 522 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 523 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
524 | |
525 | /* If we don't get a request of running in the bg, then we need | |
c5aa993b | 526 | to simulate synchronous (fg) execution. */ |
362646f5 | 527 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
528 | { |
529 | /* Simulate synchronous execution */ | |
6426a772 | 530 | async_disable_stdin (); |
43ff13b4 JM |
531 | } |
532 | ||
533 | /* If there were other args, beside '&', process them. */ | |
534 | if (args) | |
535 | { | |
07091751 FN |
536 | char *old_args = set_inferior_args (xstrdup (args)); |
537 | xfree (old_args); | |
43ff13b4 | 538 | } |
c906108c SS |
539 | } |
540 | ||
541 | if (from_tty) | |
542 | { | |
8b93c638 JM |
543 | ui_out_field_string (uiout, NULL, "Starting program"); |
544 | ui_out_text (uiout, ": "); | |
545 | if (exec_file) | |
546 | ui_out_field_string (uiout, "execfile", exec_file); | |
547 | ui_out_spaces (uiout, 1); | |
552c04a7 TT |
548 | /* We call get_inferior_args() because we might need to compute |
549 | the value now. */ | |
550 | ui_out_field_string (uiout, "infargs", get_inferior_args ()); | |
8b93c638 JM |
551 | ui_out_text (uiout, "\n"); |
552 | ui_out_flush (uiout); | |
c906108c SS |
553 | } |
554 | ||
552c04a7 TT |
555 | /* We call get_inferior_args() because we might need to compute |
556 | the value now. */ | |
557 | target_create_inferior (exec_file, get_inferior_args (), | |
c27cda74 | 558 | environ_vector (inferior_environ), from_tty); |
281b533b | 559 | |
de1b3c3d PA |
560 | /* Pass zero for FROM_TTY, because at this point the "run" command |
561 | has done its thing; now we are setting up the running program. */ | |
562 | post_create_inferior (¤t_target, 0); | |
281b533b DJ |
563 | |
564 | /* Start the target running. */ | |
565 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0); | |
c906108c SS |
566 | } |
567 | ||
568 | ||
f67a969f JB |
569 | static void |
570 | run_command (char *args, int from_tty) | |
571 | { | |
572 | run_command_1 (args, from_tty, 0); | |
573 | } | |
574 | ||
c906108c | 575 | static void |
fba45db2 | 576 | run_no_args_command (char *args, int from_tty) |
c906108c | 577 | { |
07091751 FN |
578 | char *old_args = set_inferior_args (xstrdup ("")); |
579 | xfree (old_args); | |
c906108c | 580 | } |
c906108c | 581 | \f |
c5aa993b | 582 | |
a4d5f2e0 JB |
583 | /* Start the execution of the program up until the beginning of the main |
584 | program. */ | |
585 | ||
586 | static void | |
587 | start_command (char *args, int from_tty) | |
588 | { | |
589 | /* Some languages such as Ada need to search inside the program | |
590 | minimal symbols for the location where to put the temporary | |
591 | breakpoint before starting. */ | |
592 | if (!have_minimal_symbols ()) | |
8a3fe4f8 | 593 | error (_("No symbol table loaded. Use the \"file\" command.")); |
a4d5f2e0 | 594 | |
f67a969f JB |
595 | /* Run the program until reaching the main procedure... */ |
596 | run_command_1 (args, from_tty, 1); | |
a4d5f2e0 JB |
597 | } |
598 | ||
c906108c | 599 | void |
fba45db2 | 600 | continue_command (char *proc_count_exp, int from_tty) |
c906108c | 601 | { |
c5aa993b | 602 | int async_exec = 0; |
c906108c SS |
603 | ERROR_NO_INFERIOR; |
604 | ||
43ff13b4 JM |
605 | /* Find out whether we must run in the background. */ |
606 | if (proc_count_exp != NULL) | |
607 | async_exec = strip_bg_char (&proc_count_exp); | |
608 | ||
609 | /* If we must run in the background, but the target can't do it, | |
610 | error out. */ | |
362646f5 | 611 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 612 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
613 | |
614 | /* If we are not asked to run in the bg, then prepare to run in the | |
615 | foreground, synchronously. */ | |
362646f5 | 616 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 617 | { |
43ff13b4 | 618 | /* Simulate synchronous execution */ |
6426a772 | 619 | async_disable_stdin (); |
43ff13b4 | 620 | } |
c906108c | 621 | |
43ff13b4 JM |
622 | /* If have argument (besides '&'), set proceed count of breakpoint |
623 | we stopped at. */ | |
c906108c SS |
624 | if (proc_count_exp != NULL) |
625 | { | |
626 | bpstat bs = stop_bpstat; | |
8671a17b PA |
627 | int num, stat; |
628 | int stopped = 0; | |
629 | ||
630 | while ((stat = bpstat_num (&bs, &num)) != 0) | |
631 | if (stat > 0) | |
632 | { | |
633 | set_ignore_count (num, | |
634 | parse_and_eval_long (proc_count_exp) - 1, | |
635 | from_tty); | |
636 | /* set_ignore_count prints a message ending with a period. | |
637 | So print two spaces before "Continuing.". */ | |
638 | if (from_tty) | |
639 | printf_filtered (" "); | |
640 | stopped = 1; | |
641 | } | |
642 | ||
643 | if (!stopped && from_tty) | |
c906108c SS |
644 | { |
645 | printf_filtered | |
646 | ("Not stopped at any breakpoint; argument ignored.\n"); | |
647 | } | |
c906108c SS |
648 | } |
649 | ||
650 | if (from_tty) | |
a3f17187 | 651 | printf_filtered (_("Continuing.\n")); |
c906108c SS |
652 | |
653 | clear_proceed_status (); | |
654 | ||
2acceee2 | 655 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c SS |
656 | } |
657 | \f | |
658 | /* Step until outside of current statement. */ | |
659 | ||
c906108c | 660 | static void |
fba45db2 | 661 | step_command (char *count_string, int from_tty) |
c906108c SS |
662 | { |
663 | step_1 (0, 0, count_string); | |
664 | } | |
665 | ||
666 | /* Likewise, but skip over subroutine calls as if single instructions. */ | |
667 | ||
c906108c | 668 | static void |
fba45db2 | 669 | next_command (char *count_string, int from_tty) |
c906108c SS |
670 | { |
671 | step_1 (1, 0, count_string); | |
672 | } | |
673 | ||
674 | /* Likewise, but step only one instruction. */ | |
675 | ||
c906108c | 676 | void |
fba45db2 | 677 | stepi_command (char *count_string, int from_tty) |
c906108c SS |
678 | { |
679 | step_1 (0, 1, count_string); | |
680 | } | |
681 | ||
c906108c | 682 | void |
fba45db2 | 683 | nexti_command (char *count_string, int from_tty) |
c906108c SS |
684 | { |
685 | step_1 (1, 1, count_string); | |
686 | } | |
687 | ||
74b7792f AC |
688 | static void |
689 | disable_longjmp_breakpoint_cleanup (void *ignore) | |
690 | { | |
691 | disable_longjmp_breakpoint (); | |
692 | } | |
693 | ||
c906108c | 694 | static void |
fba45db2 | 695 | step_1 (int skip_subroutines, int single_inst, char *count_string) |
c906108c | 696 | { |
52f0bd74 | 697 | int count = 1; |
c906108c SS |
698 | struct frame_info *frame; |
699 | struct cleanup *cleanups = 0; | |
43ff13b4 | 700 | int async_exec = 0; |
c5aa993b | 701 | |
c906108c | 702 | ERROR_NO_INFERIOR; |
43ff13b4 JM |
703 | |
704 | if (count_string) | |
705 | async_exec = strip_bg_char (&count_string); | |
c5aa993b | 706 | |
43ff13b4 JM |
707 | /* If we get a request for running in the bg but the target |
708 | doesn't support it, error out. */ | |
362646f5 | 709 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 710 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
711 | |
712 | /* If we don't get a request of running in the bg, then we need | |
713 | to simulate synchronous (fg) execution. */ | |
362646f5 | 714 | if (!async_exec && target_can_async_p ()) |
43ff13b4 JM |
715 | { |
716 | /* Simulate synchronous execution */ | |
6426a772 | 717 | async_disable_stdin (); |
43ff13b4 JM |
718 | } |
719 | ||
bb518678 | 720 | count = count_string ? parse_and_eval_long (count_string) : 1; |
c906108c | 721 | |
c5aa993b | 722 | if (!single_inst || skip_subroutines) /* leave si command alone */ |
c906108c | 723 | { |
c5aa993b | 724 | enable_longjmp_breakpoint (); |
362646f5 | 725 | if (!target_can_async_p ()) |
74b7792f | 726 | cleanups = make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d | 727 | else |
74b7792f | 728 | make_exec_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/); |
c2d11a7d JM |
729 | } |
730 | ||
731 | /* In synchronous case, all is well, just use the regular for loop. */ | |
362646f5 | 732 | if (!target_can_async_p ()) |
c2d11a7d JM |
733 | { |
734 | for (; count > 0; count--) | |
735 | { | |
736 | clear_proceed_status (); | |
737 | ||
738 | frame = get_current_frame (); | |
739 | if (!frame) /* Avoid coredump here. Why tho? */ | |
8a3fe4f8 | 740 | error (_("No current frame")); |
aa0cd9c1 | 741 | step_frame_id = get_frame_id (frame); |
c2d11a7d JM |
742 | |
743 | if (!single_inst) | |
744 | { | |
745 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
746 | if (step_range_end == 0) | |
747 | { | |
748 | char *name; | |
749 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
750 | &step_range_end) == 0) | |
8a3fe4f8 | 751 | error (_("Cannot find bounds of current function")); |
c2d11a7d JM |
752 | |
753 | target_terminal_ours (); | |
a3f17187 | 754 | printf_filtered (_("\ |
c2d11a7d | 755 | Single stepping until exit from function %s, \n\ |
a3f17187 | 756 | which has no line number information.\n"), name); |
c2d11a7d JM |
757 | } |
758 | } | |
759 | else | |
760 | { | |
761 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
762 | step_range_start = step_range_end = 1; | |
763 | if (!skip_subroutines) | |
764 | /* It is stepi. | |
765 | Don't step over function calls, not even to functions lacking | |
766 | line numbers. */ | |
5fbbeb29 | 767 | step_over_calls = STEP_OVER_NONE; |
c2d11a7d JM |
768 | } |
769 | ||
770 | if (skip_subroutines) | |
5fbbeb29 | 771 | step_over_calls = STEP_OVER_ALL; |
c2d11a7d JM |
772 | |
773 | step_multi = (count > 1); | |
774 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); | |
775 | ||
776 | if (!stop_step) | |
777 | break; | |
c2d11a7d JM |
778 | } |
779 | ||
780 | if (!single_inst || skip_subroutines) | |
781 | do_cleanups (cleanups); | |
782 | return; | |
783 | } | |
784 | /* In case of asynchronous target things get complicated, do only | |
785 | one step for now, before returning control to the event loop. Let | |
786 | the continuation figure out how many other steps we need to do, | |
787 | and handle them one at the time, through step_once(). */ | |
788 | else | |
789 | { | |
362646f5 | 790 | if (target_can_async_p ()) |
c2d11a7d | 791 | step_once (skip_subroutines, single_inst, count); |
c906108c | 792 | } |
c2d11a7d | 793 | } |
c906108c | 794 | |
c2d11a7d JM |
795 | /* Called after we are done with one step operation, to check whether |
796 | we need to step again, before we print the prompt and return control | |
797 | to the user. If count is > 1, we will need to do one more call to | |
798 | proceed(), via step_once(). Basically it is like step_once and | |
799 | step_1_continuation are co-recursive. */ | |
800 | static void | |
fba45db2 | 801 | step_1_continuation (struct continuation_arg *arg) |
c2d11a7d | 802 | { |
57e687d9 MS |
803 | int count; |
804 | int skip_subroutines; | |
805 | int single_inst; | |
806 | ||
807 | skip_subroutines = arg->data.integer; | |
808 | single_inst = arg->next->data.integer; | |
809 | count = arg->next->next->data.integer; | |
810 | ||
811 | if (stop_step) | |
e74f0f02 | 812 | step_once (skip_subroutines, single_inst, count - 1); |
57e687d9 MS |
813 | else |
814 | if (!single_inst || skip_subroutines) | |
815 | do_exec_cleanups (ALL_CLEANUPS); | |
c2d11a7d JM |
816 | } |
817 | ||
818 | /* Do just one step operation. If count >1 we will have to set up a | |
819 | continuation to be done after the target stops (after this one | |
820 | step). This is useful to implement the 'step n' kind of commands, in | |
821 | case of asynchronous targets. We had to split step_1 into two parts, | |
822 | one to be done before proceed() and one afterwards. This function is | |
823 | called in case of step n with n>1, after the first step operation has | |
824 | been completed.*/ | |
825 | static void | |
0d06e24b | 826 | step_once (int skip_subroutines, int single_inst, int count) |
c2d11a7d | 827 | { |
0d06e24b JM |
828 | struct continuation_arg *arg1; |
829 | struct continuation_arg *arg2; | |
830 | struct continuation_arg *arg3; | |
831 | struct frame_info *frame; | |
c2d11a7d JM |
832 | |
833 | if (count > 0) | |
c906108c SS |
834 | { |
835 | clear_proceed_status (); | |
836 | ||
837 | frame = get_current_frame (); | |
c5aa993b | 838 | if (!frame) /* Avoid coredump here. Why tho? */ |
8a3fe4f8 | 839 | error (_("No current frame")); |
aa0cd9c1 | 840 | step_frame_id = get_frame_id (frame); |
c906108c | 841 | |
c5aa993b | 842 | if (!single_inst) |
c906108c SS |
843 | { |
844 | find_pc_line_pc_range (stop_pc, &step_range_start, &step_range_end); | |
5fbbeb29 CF |
845 | |
846 | /* If we have no line info, switch to stepi mode. */ | |
847 | if (step_range_end == 0 && step_stop_if_no_debug) | |
848 | { | |
849 | step_range_start = step_range_end = 1; | |
850 | } | |
851 | else if (step_range_end == 0) | |
c906108c SS |
852 | { |
853 | char *name; | |
854 | if (find_pc_partial_function (stop_pc, &name, &step_range_start, | |
855 | &step_range_end) == 0) | |
8a3fe4f8 | 856 | error (_("Cannot find bounds of current function")); |
c906108c SS |
857 | |
858 | target_terminal_ours (); | |
a3f17187 | 859 | printf_filtered (_("\ |
c906108c | 860 | Single stepping until exit from function %s, \n\ |
a3f17187 | 861 | which has no line number information.\n"), name); |
c906108c SS |
862 | } |
863 | } | |
864 | else | |
865 | { | |
866 | /* Say we are stepping, but stop after one insn whatever it does. */ | |
867 | step_range_start = step_range_end = 1; | |
868 | if (!skip_subroutines) | |
869 | /* It is stepi. | |
870 | Don't step over function calls, not even to functions lacking | |
871 | line numbers. */ | |
5fbbeb29 | 872 | step_over_calls = STEP_OVER_NONE; |
c906108c SS |
873 | } |
874 | ||
875 | if (skip_subroutines) | |
5fbbeb29 | 876 | step_over_calls = STEP_OVER_ALL; |
c906108c SS |
877 | |
878 | step_multi = (count > 1); | |
c2d11a7d JM |
879 | arg1 = |
880 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
881 | arg2 = | |
882 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
883 | arg3 = | |
884 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
885 | arg1->next = arg2; | |
57e687d9 | 886 | arg1->data.integer = skip_subroutines; |
c2d11a7d | 887 | arg2->next = arg3; |
57e687d9 | 888 | arg2->data.integer = single_inst; |
c2d11a7d | 889 | arg3->next = NULL; |
57e687d9 | 890 | arg3->data.integer = count; |
c2d11a7d | 891 | add_intermediate_continuation (step_1_continuation, arg1); |
2acceee2 | 892 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c | 893 | } |
c906108c | 894 | } |
c2d11a7d | 895 | |
c906108c SS |
896 | \f |
897 | /* Continue program at specified address. */ | |
898 | ||
899 | static void | |
fba45db2 | 900 | jump_command (char *arg, int from_tty) |
c906108c | 901 | { |
52f0bd74 | 902 | CORE_ADDR addr; |
c906108c SS |
903 | struct symtabs_and_lines sals; |
904 | struct symtab_and_line sal; | |
905 | struct symbol *fn; | |
906 | struct symbol *sfn; | |
43ff13b4 | 907 | int async_exec = 0; |
c5aa993b | 908 | |
c906108c SS |
909 | ERROR_NO_INFERIOR; |
910 | ||
43ff13b4 JM |
911 | /* Find out whether we must run in the background. */ |
912 | if (arg != NULL) | |
913 | async_exec = strip_bg_char (&arg); | |
914 | ||
915 | /* If we must run in the background, but the target can't do it, | |
916 | error out. */ | |
362646f5 | 917 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 918 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
919 | |
920 | /* If we are not asked to run in the bg, then prepare to run in the | |
921 | foreground, synchronously. */ | |
362646f5 | 922 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 923 | { |
43ff13b4 | 924 | /* Simulate synchronous execution */ |
6426a772 | 925 | async_disable_stdin (); |
43ff13b4 JM |
926 | } |
927 | ||
c906108c | 928 | if (!arg) |
e2e0b3e5 | 929 | error_no_arg (_("starting address")); |
c906108c SS |
930 | |
931 | sals = decode_line_spec_1 (arg, 1); | |
932 | if (sals.nelts != 1) | |
933 | { | |
8a3fe4f8 | 934 | error (_("Unreasonable jump request")); |
c906108c SS |
935 | } |
936 | ||
937 | sal = sals.sals[0]; | |
b8c9b27d | 938 | xfree (sals.sals); |
c906108c SS |
939 | |
940 | if (sal.symtab == 0 && sal.pc == 0) | |
8a3fe4f8 | 941 | error (_("No source file has been specified.")); |
c906108c | 942 | |
c5aa993b | 943 | resolve_sal_pc (&sal); /* May error out */ |
c906108c SS |
944 | |
945 | /* See if we are trying to jump to another function. */ | |
946 | fn = get_frame_function (get_current_frame ()); | |
947 | sfn = find_pc_function (sal.pc); | |
948 | if (fn != NULL && sfn != fn) | |
949 | { | |
950 | if (!query ("Line %d is not in `%s'. Jump anyway? ", sal.line, | |
de5ad195 | 951 | SYMBOL_PRINT_NAME (fn))) |
c906108c | 952 | { |
8a3fe4f8 | 953 | error (_("Not confirmed.")); |
c906108c SS |
954 | /* NOTREACHED */ |
955 | } | |
956 | } | |
957 | ||
c5aa993b | 958 | if (sfn != NULL) |
c906108c SS |
959 | { |
960 | fixup_symbol_section (sfn, 0); | |
c5aa993b | 961 | if (section_is_overlay (SYMBOL_BFD_SECTION (sfn)) && |
c906108c SS |
962 | !section_is_mapped (SYMBOL_BFD_SECTION (sfn))) |
963 | { | |
964 | if (!query ("WARNING!!! Destination is in unmapped overlay! Jump anyway? ")) | |
965 | { | |
8a3fe4f8 | 966 | error (_("Not confirmed.")); |
c906108c SS |
967 | /* NOTREACHED */ |
968 | } | |
969 | } | |
970 | } | |
971 | ||
c906108c SS |
972 | addr = sal.pc; |
973 | ||
974 | if (from_tty) | |
975 | { | |
a3f17187 | 976 | printf_filtered (_("Continuing at ")); |
66bf4b3a | 977 | deprecated_print_address_numeric (addr, 1, gdb_stdout); |
c906108c SS |
978 | printf_filtered (".\n"); |
979 | } | |
980 | ||
981 | clear_proceed_status (); | |
982 | proceed (addr, TARGET_SIGNAL_0, 0); | |
983 | } | |
c906108c | 984 | \f |
c5aa993b | 985 | |
c906108c SS |
986 | /* Go to line or address in current procedure */ |
987 | static void | |
fba45db2 | 988 | go_command (char *line_no, int from_tty) |
c906108c | 989 | { |
c5aa993b | 990 | if (line_no == (char *) NULL || !*line_no) |
b83266a0 | 991 | printf_filtered (GO_USAGE); |
c906108c SS |
992 | else |
993 | { | |
b83266a0 SS |
994 | tbreak_command (line_no, from_tty); |
995 | jump_command (line_no, from_tty); | |
c906108c SS |
996 | } |
997 | } | |
c906108c | 998 | \f |
c5aa993b | 999 | |
c906108c SS |
1000 | /* Continue program giving it specified signal. */ |
1001 | ||
1002 | static void | |
fba45db2 | 1003 | signal_command (char *signum_exp, int from_tty) |
c906108c SS |
1004 | { |
1005 | enum target_signal oursig; | |
1006 | ||
1007 | dont_repeat (); /* Too dangerous. */ | |
1008 | ERROR_NO_INFERIOR; | |
1009 | ||
1010 | if (!signum_exp) | |
e2e0b3e5 | 1011 | error_no_arg (_("signal number")); |
c906108c SS |
1012 | |
1013 | /* It would be even slicker to make signal names be valid expressions, | |
1014 | (the type could be "enum $signal" or some such), then the user could | |
1015 | assign them to convenience variables. */ | |
1016 | oursig = target_signal_from_name (signum_exp); | |
1017 | ||
1018 | if (oursig == TARGET_SIGNAL_UNKNOWN) | |
1019 | { | |
1020 | /* No, try numeric. */ | |
bb518678 | 1021 | int num = parse_and_eval_long (signum_exp); |
c906108c SS |
1022 | |
1023 | if (num == 0) | |
1024 | oursig = TARGET_SIGNAL_0; | |
1025 | else | |
1026 | oursig = target_signal_from_command (num); | |
1027 | } | |
1028 | ||
1029 | if (from_tty) | |
1030 | { | |
1031 | if (oursig == TARGET_SIGNAL_0) | |
a3f17187 | 1032 | printf_filtered (_("Continuing with no signal.\n")); |
c906108c | 1033 | else |
a3f17187 | 1034 | printf_filtered (_("Continuing with signal %s.\n"), |
c906108c SS |
1035 | target_signal_to_name (oursig)); |
1036 | } | |
1037 | ||
1038 | clear_proceed_status (); | |
1039 | /* "signal 0" should not get stuck if we are stopped at a breakpoint. | |
1040 | FIXME: Neither should "signal foo" but when I tried passing | |
1041 | (CORE_ADDR)-1 unconditionally I got a testsuite failure which I haven't | |
1042 | tried to track down yet. */ | |
2acceee2 | 1043 | proceed (oursig == TARGET_SIGNAL_0 ? (CORE_ADDR) -1 : stop_pc, oursig, 0); |
c906108c SS |
1044 | } |
1045 | ||
c906108c SS |
1046 | /* Proceed until we reach a different source line with pc greater than |
1047 | our current one or exit the function. We skip calls in both cases. | |
1048 | ||
1049 | Note that eventually this command should probably be changed so | |
1050 | that only source lines are printed out when we hit the breakpoint | |
1051 | we set. This may involve changes to wait_for_inferior and the | |
1052 | proceed status code. */ | |
1053 | ||
c906108c | 1054 | static void |
fba45db2 | 1055 | until_next_command (int from_tty) |
c906108c SS |
1056 | { |
1057 | struct frame_info *frame; | |
1058 | CORE_ADDR pc; | |
1059 | struct symbol *func; | |
1060 | struct symtab_and_line sal; | |
c5aa993b | 1061 | |
c906108c SS |
1062 | clear_proceed_status (); |
1063 | ||
1064 | frame = get_current_frame (); | |
1065 | ||
1066 | /* Step until either exited from this function or greater | |
1067 | than the current line (if in symbolic section) or pc (if | |
1068 | not). */ | |
1069 | ||
1070 | pc = read_pc (); | |
1071 | func = find_pc_function (pc); | |
c5aa993b | 1072 | |
c906108c SS |
1073 | if (!func) |
1074 | { | |
1075 | struct minimal_symbol *msymbol = lookup_minimal_symbol_by_pc (pc); | |
c5aa993b | 1076 | |
c906108c | 1077 | if (msymbol == NULL) |
8a3fe4f8 | 1078 | error (_("Execution is not within a known function.")); |
c5aa993b | 1079 | |
c906108c SS |
1080 | step_range_start = SYMBOL_VALUE_ADDRESS (msymbol); |
1081 | step_range_end = pc; | |
1082 | } | |
1083 | else | |
1084 | { | |
1085 | sal = find_pc_line (pc, 0); | |
c5aa993b | 1086 | |
c906108c SS |
1087 | step_range_start = BLOCK_START (SYMBOL_BLOCK_VALUE (func)); |
1088 | step_range_end = sal.end; | |
1089 | } | |
c5aa993b | 1090 | |
5fbbeb29 | 1091 | step_over_calls = STEP_OVER_ALL; |
aa0cd9c1 | 1092 | step_frame_id = get_frame_id (frame); |
c906108c SS |
1093 | |
1094 | step_multi = 0; /* Only one call to proceed */ | |
c5aa993b | 1095 | |
2acceee2 | 1096 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 1); |
c906108c SS |
1097 | } |
1098 | ||
c5aa993b | 1099 | static void |
fba45db2 | 1100 | until_command (char *arg, int from_tty) |
c906108c | 1101 | { |
43ff13b4 JM |
1102 | int async_exec = 0; |
1103 | ||
c906108c | 1104 | if (!target_has_execution) |
8a3fe4f8 | 1105 | error (_("The program is not running.")); |
43ff13b4 JM |
1106 | |
1107 | /* Find out whether we must run in the background. */ | |
1108 | if (arg != NULL) | |
1109 | async_exec = strip_bg_char (&arg); | |
1110 | ||
1111 | /* If we must run in the background, but the target can't do it, | |
1112 | error out. */ | |
362646f5 | 1113 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1114 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1115 | |
1116 | /* If we are not asked to run in the bg, then prepare to run in the | |
1117 | foreground, synchronously. */ | |
362646f5 | 1118 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1119 | { |
43ff13b4 | 1120 | /* Simulate synchronous execution */ |
6426a772 | 1121 | async_disable_stdin (); |
43ff13b4 JM |
1122 | } |
1123 | ||
c906108c | 1124 | if (arg) |
ae66c1fc | 1125 | until_break_command (arg, from_tty, 0); |
c906108c SS |
1126 | else |
1127 | until_next_command (from_tty); | |
1128 | } | |
ae66c1fc EZ |
1129 | |
1130 | static void | |
1131 | advance_command (char *arg, int from_tty) | |
1132 | { | |
1133 | int async_exec = 0; | |
1134 | ||
1135 | if (!target_has_execution) | |
8a3fe4f8 | 1136 | error (_("The program is not running.")); |
ae66c1fc EZ |
1137 | |
1138 | if (arg == NULL) | |
e2e0b3e5 | 1139 | error_no_arg (_("a location")); |
ae66c1fc EZ |
1140 | |
1141 | /* Find out whether we must run in the background. */ | |
1142 | if (arg != NULL) | |
1143 | async_exec = strip_bg_char (&arg); | |
1144 | ||
1145 | /* If we must run in the background, but the target can't do it, | |
1146 | error out. */ | |
362646f5 | 1147 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1148 | error (_("Asynchronous execution not supported on this target.")); |
ae66c1fc EZ |
1149 | |
1150 | /* If we are not asked to run in the bg, then prepare to run in the | |
1151 | foreground, synchronously. */ | |
362646f5 | 1152 | if (!async_exec && target_can_async_p ()) |
ae66c1fc EZ |
1153 | { |
1154 | /* Simulate synchronous execution. */ | |
1155 | async_disable_stdin (); | |
1156 | } | |
1157 | ||
1158 | until_break_command (arg, from_tty, 1); | |
1159 | } | |
c906108c | 1160 | \f |
f941662f MK |
1161 | /* Print the result of a function at the end of a 'finish' command. */ |
1162 | ||
11cf8741 | 1163 | static void |
8f536afe | 1164 | print_return_value (struct type *value_type) |
11cf8741 | 1165 | { |
31db7b6c | 1166 | struct gdbarch *gdbarch = current_gdbarch; |
bb472c1e MK |
1167 | struct cleanup *old_chain; |
1168 | struct ui_stream *stb; | |
44e5158b AC |
1169 | struct value *value; |
1170 | ||
181fc57c | 1171 | CHECK_TYPEDEF (value_type); |
44e5158b | 1172 | gdb_assert (TYPE_CODE (value_type) != TYPE_CODE_VOID); |
11cf8741 | 1173 | |
92ad9cd9 AC |
1174 | /* FIXME: 2003-09-27: When returning from a nested inferior function |
1175 | call, it's possible (with no help from the architecture vector) | |
1176 | to locate and return/print a "struct return" value. This is just | |
1177 | a more complicated case of what is already being done in in the | |
1178 | inferior function call code. In fact, when inferior function | |
1179 | calls are made async, this will likely be made the norm. */ | |
31db7b6c | 1180 | |
750eb019 | 1181 | switch (gdbarch_return_value (gdbarch, value_type, NULL, NULL, NULL)) |
44e5158b | 1182 | { |
750eb019 AC |
1183 | case RETURN_VALUE_REGISTER_CONVENTION: |
1184 | case RETURN_VALUE_ABI_RETURNS_ADDRESS: | |
181fc57c | 1185 | case RETURN_VALUE_ABI_PRESERVES_ADDRESS: |
44e5158b | 1186 | value = allocate_value (value_type); |
a4bd449d | 1187 | gdbarch_return_value (gdbarch, value_type, stop_registers, |
990a07ab | 1188 | value_contents_raw (value), NULL); |
750eb019 AC |
1189 | break; |
1190 | case RETURN_VALUE_STRUCT_CONVENTION: | |
1191 | value = NULL; | |
1192 | break; | |
1193 | default: | |
e2e0b3e5 | 1194 | internal_error (__FILE__, __LINE__, _("bad switch")); |
44e5158b | 1195 | } |
bb472c1e | 1196 | |
31db7b6c MK |
1197 | if (value) |
1198 | { | |
1199 | /* Print it. */ | |
1d751abe PA |
1200 | stb = ui_out_stream_new (uiout); |
1201 | old_chain = make_cleanup_ui_out_stream_delete (stb); | |
31db7b6c MK |
1202 | ui_out_text (uiout, "Value returned is "); |
1203 | ui_out_field_fmt (uiout, "gdb-result-var", "$%d", | |
1204 | record_latest_value (value)); | |
1205 | ui_out_text (uiout, " = "); | |
1206 | value_print (value, stb->stream, 0, Val_no_prettyprint); | |
1207 | ui_out_field_stream (uiout, "return-value", stb); | |
1208 | ui_out_text (uiout, "\n"); | |
1d751abe | 1209 | do_cleanups (old_chain); |
31db7b6c MK |
1210 | } |
1211 | else | |
1212 | { | |
1213 | ui_out_text (uiout, "Value returned has type: "); | |
1d751abe PA |
1214 | ui_out_field_string (uiout, "return-type", TYPE_NAME (value_type)); |
1215 | ui_out_text (uiout, "."); | |
1216 | ui_out_text (uiout, " Cannot determine contents\n"); | |
31db7b6c | 1217 | } |
11cf8741 JM |
1218 | } |
1219 | ||
43ff13b4 | 1220 | /* Stuff that needs to be done by the finish command after the target |
f941662f MK |
1221 | has stopped. In asynchronous mode, we wait for the target to stop |
1222 | in the call to poll or select in the event loop, so it is | |
1223 | impossible to do all the stuff as part of the finish_command | |
1224 | function itself. The only chance we have to complete this command | |
1225 | is in fetch_inferior_event, which is called by the event loop as | |
1226 | soon as it detects that the target has stopped. This function is | |
1227 | called via the cmd_continuation pointer. */ | |
1228 | ||
1229 | static void | |
fba45db2 | 1230 | finish_command_continuation (struct continuation_arg *arg) |
43ff13b4 | 1231 | { |
52f0bd74 | 1232 | struct symbol *function; |
43ff13b4 | 1233 | struct breakpoint *breakpoint; |
0d06e24b | 1234 | struct cleanup *cleanups; |
c5aa993b | 1235 | |
57e687d9 | 1236 | breakpoint = (struct breakpoint *) arg->data.pointer; |
f941662f MK |
1237 | function = (struct symbol *) arg->next->data.pointer; |
1238 | cleanups = (struct cleanup *) arg->next->next->data.pointer; | |
43ff13b4 | 1239 | |
c5aa993b | 1240 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
f941662f | 1241 | && function != NULL) |
43ff13b4 JM |
1242 | { |
1243 | struct type *value_type; | |
43ff13b4 JM |
1244 | |
1245 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1246 | if (!value_type) | |
8e65ff28 | 1247 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 1248 | _("finish_command: function has no target type")); |
c5aa993b | 1249 | |
8f536afe UW |
1250 | if (TYPE_CODE (value_type) != TYPE_CODE_VOID) |
1251 | print_return_value (value_type); | |
43ff13b4 | 1252 | } |
f941662f | 1253 | |
0d06e24b | 1254 | do_exec_cleanups (cleanups); |
43ff13b4 JM |
1255 | } |
1256 | ||
f941662f MK |
1257 | /* "finish": Set a temporary breakpoint at the place the selected |
1258 | frame will return to, then continue. */ | |
c906108c SS |
1259 | |
1260 | static void | |
fba45db2 | 1261 | finish_command (char *arg, int from_tty) |
c906108c SS |
1262 | { |
1263 | struct symtab_and_line sal; | |
52f0bd74 AC |
1264 | struct frame_info *frame; |
1265 | struct symbol *function; | |
c906108c SS |
1266 | struct breakpoint *breakpoint; |
1267 | struct cleanup *old_chain; | |
0d06e24b | 1268 | struct continuation_arg *arg1, *arg2, *arg3; |
43ff13b4 JM |
1269 | |
1270 | int async_exec = 0; | |
1271 | ||
f941662f | 1272 | /* Find out whether we must run in the background. */ |
43ff13b4 JM |
1273 | if (arg != NULL) |
1274 | async_exec = strip_bg_char (&arg); | |
1275 | ||
1276 | /* If we must run in the background, but the target can't do it, | |
f941662f | 1277 | error out. */ |
362646f5 | 1278 | if (async_exec && !target_can_async_p ()) |
8a3fe4f8 | 1279 | error (_("Asynchronous execution not supported on this target.")); |
43ff13b4 JM |
1280 | |
1281 | /* If we are not asked to run in the bg, then prepare to run in the | |
f941662f | 1282 | foreground, synchronously. */ |
362646f5 | 1283 | if (!async_exec && target_can_async_p ()) |
c5aa993b | 1284 | { |
f941662f | 1285 | /* Simulate synchronous execution. */ |
6426a772 | 1286 | async_disable_stdin (); |
43ff13b4 | 1287 | } |
c906108c SS |
1288 | |
1289 | if (arg) | |
8a3fe4f8 | 1290 | error (_("The \"finish\" command does not take any arguments.")); |
c906108c | 1291 | if (!target_has_execution) |
8a3fe4f8 | 1292 | error (_("The program is not running.")); |
c906108c | 1293 | |
206415a3 | 1294 | frame = get_prev_frame (get_selected_frame (_("No selected frame."))); |
c906108c | 1295 | if (frame == 0) |
8a3fe4f8 | 1296 | error (_("\"finish\" not meaningful in the outermost frame.")); |
c906108c SS |
1297 | |
1298 | clear_proceed_status (); | |
1299 | ||
bdd78e62 AC |
1300 | sal = find_pc_line (get_frame_pc (frame), 0); |
1301 | sal.pc = get_frame_pc (frame); | |
c906108c | 1302 | |
818dd999 | 1303 | breakpoint = set_momentary_breakpoint (sal, get_frame_id (frame), bp_finish); |
c906108c | 1304 | |
362646f5 | 1305 | if (!target_can_async_p ()) |
4d6140d9 | 1306 | old_chain = make_cleanup_delete_breakpoint (breakpoint); |
43ff13b4 | 1307 | else |
4d6140d9 | 1308 | old_chain = make_exec_cleanup_delete_breakpoint (breakpoint); |
c906108c SS |
1309 | |
1310 | /* Find the function we will return from. */ | |
1311 | ||
206415a3 | 1312 | function = find_pc_function (get_frame_pc (get_selected_frame (NULL))); |
c906108c | 1313 | |
f941662f MK |
1314 | /* Print info on the selected frame, including level number but not |
1315 | source. */ | |
c906108c SS |
1316 | if (from_tty) |
1317 | { | |
a3f17187 | 1318 | printf_filtered (_("Run till exit from ")); |
b04f3ab4 | 1319 | print_stack_frame (get_selected_frame (NULL), 1, LOCATION); |
c906108c SS |
1320 | } |
1321 | ||
43ff13b4 JM |
1322 | /* If running asynchronously and the target support asynchronous |
1323 | execution, set things up for the rest of the finish command to be | |
1324 | completed later on, when gdb has detected that the target has | |
f941662f | 1325 | stopped, in fetch_inferior_event. */ |
362646f5 | 1326 | if (target_can_async_p ()) |
43ff13b4 | 1327 | { |
c5aa993b | 1328 | arg1 = |
43ff13b4 | 1329 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
c5aa993b | 1330 | arg2 = |
43ff13b4 | 1331 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); |
0d06e24b JM |
1332 | arg3 = |
1333 | (struct continuation_arg *) xmalloc (sizeof (struct continuation_arg)); | |
43ff13b4 | 1334 | arg1->next = arg2; |
0d06e24b JM |
1335 | arg2->next = arg3; |
1336 | arg3->next = NULL; | |
57e687d9 MS |
1337 | arg1->data.pointer = breakpoint; |
1338 | arg2->data.pointer = function; | |
1339 | arg3->data.pointer = old_chain; | |
43ff13b4 JM |
1340 | add_continuation (finish_command_continuation, arg1); |
1341 | } | |
1342 | ||
f941662f | 1343 | proceed_to_finish = 1; /* We want stop_registers, please... */ |
2acceee2 | 1344 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
c906108c | 1345 | |
43ff13b4 | 1346 | /* Do this only if not running asynchronously or if the target |
f941662f MK |
1347 | cannot do async execution. Otherwise, complete this command when |
1348 | the target actually stops, in fetch_inferior_event. */ | |
362646f5 | 1349 | if (!target_can_async_p ()) |
c5aa993b | 1350 | { |
f941662f | 1351 | /* Did we stop at our breakpoint? */ |
c5aa993b | 1352 | if (bpstat_find_breakpoint (stop_bpstat, breakpoint) != NULL |
f941662f | 1353 | && function != NULL) |
c5aa993b JM |
1354 | { |
1355 | struct type *value_type; | |
c5aa993b JM |
1356 | |
1357 | value_type = TYPE_TARGET_TYPE (SYMBOL_TYPE (function)); | |
1358 | if (!value_type) | |
8e65ff28 | 1359 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 1360 | _("finish_command: function has no target type")); |
c5aa993b | 1361 | |
8f536afe UW |
1362 | if (TYPE_CODE (value_type) != TYPE_CODE_VOID) |
1363 | print_return_value (value_type); | |
c5aa993b | 1364 | } |
f941662f | 1365 | |
c5aa993b JM |
1366 | do_cleanups (old_chain); |
1367 | } | |
c906108c SS |
1368 | } |
1369 | \f | |
f941662f | 1370 | |
c906108c | 1371 | static void |
fba45db2 | 1372 | program_info (char *args, int from_tty) |
c906108c SS |
1373 | { |
1374 | bpstat bs = stop_bpstat; | |
8671a17b PA |
1375 | int num; |
1376 | int stat = bpstat_num (&bs, &num); | |
c5aa993b | 1377 | |
c906108c SS |
1378 | if (!target_has_execution) |
1379 | { | |
a3f17187 | 1380 | printf_filtered (_("The program being debugged is not being run.\n")); |
c906108c SS |
1381 | return; |
1382 | } | |
1383 | ||
1384 | target_files_info (); | |
a3f17187 | 1385 | printf_filtered (_("Program stopped at %s.\n"), |
bb599908 | 1386 | hex_string ((unsigned long) stop_pc)); |
c906108c | 1387 | if (stop_step) |
a3f17187 | 1388 | printf_filtered (_("It stopped after being stepped.\n")); |
8671a17b | 1389 | else if (stat != 0) |
c906108c SS |
1390 | { |
1391 | /* There may be several breakpoints in the same place, so this | |
c5aa993b | 1392 | isn't as strange as it seems. */ |
8671a17b | 1393 | while (stat != 0) |
c906108c | 1394 | { |
8671a17b | 1395 | if (stat < 0) |
c906108c | 1396 | { |
a3f17187 AC |
1397 | printf_filtered (_("\ |
1398 | It stopped at a breakpoint that has since been deleted.\n")); | |
c906108c SS |
1399 | } |
1400 | else | |
a3f17187 | 1401 | printf_filtered (_("It stopped at breakpoint %d.\n"), num); |
8671a17b | 1402 | stat = bpstat_num (&bs, &num); |
c906108c SS |
1403 | } |
1404 | } | |
1405 | else if (stop_signal != TARGET_SIGNAL_0) | |
1406 | { | |
a3f17187 | 1407 | printf_filtered (_("It stopped with signal %s, %s.\n"), |
c906108c SS |
1408 | target_signal_to_name (stop_signal), |
1409 | target_signal_to_string (stop_signal)); | |
1410 | } | |
1411 | ||
1412 | if (!from_tty) | |
1413 | { | |
a3f17187 AC |
1414 | printf_filtered (_("\ |
1415 | Type \"info stack\" or \"info registers\" for more information.\n")); | |
c906108c SS |
1416 | } |
1417 | } | |
1418 | \f | |
1419 | static void | |
fba45db2 | 1420 | environment_info (char *var, int from_tty) |
c906108c SS |
1421 | { |
1422 | if (var) | |
1423 | { | |
aa1ee363 | 1424 | char *val = get_in_environ (inferior_environ, var); |
c906108c SS |
1425 | if (val) |
1426 | { | |
1427 | puts_filtered (var); | |
1428 | puts_filtered (" = "); | |
1429 | puts_filtered (val); | |
1430 | puts_filtered ("\n"); | |
1431 | } | |
1432 | else | |
1433 | { | |
1434 | puts_filtered ("Environment variable \""); | |
1435 | puts_filtered (var); | |
1436 | puts_filtered ("\" not defined.\n"); | |
1437 | } | |
1438 | } | |
1439 | else | |
1440 | { | |
aa1ee363 | 1441 | char **vector = environ_vector (inferior_environ); |
c906108c SS |
1442 | while (*vector) |
1443 | { | |
1444 | puts_filtered (*vector++); | |
1445 | puts_filtered ("\n"); | |
1446 | } | |
1447 | } | |
1448 | } | |
1449 | ||
1450 | static void | |
fba45db2 | 1451 | set_environment_command (char *arg, int from_tty) |
c906108c | 1452 | { |
52f0bd74 | 1453 | char *p, *val, *var; |
c906108c SS |
1454 | int nullset = 0; |
1455 | ||
1456 | if (arg == 0) | |
e2e0b3e5 | 1457 | error_no_arg (_("environment variable and value")); |
c906108c SS |
1458 | |
1459 | /* Find seperation between variable name and value */ | |
1460 | p = (char *) strchr (arg, '='); | |
1461 | val = (char *) strchr (arg, ' '); | |
1462 | ||
1463 | if (p != 0 && val != 0) | |
1464 | { | |
1465 | /* We have both a space and an equals. If the space is before the | |
c5aa993b JM |
1466 | equals, walk forward over the spaces til we see a nonspace |
1467 | (possibly the equals). */ | |
c906108c SS |
1468 | if (p > val) |
1469 | while (*val == ' ') | |
1470 | val++; | |
1471 | ||
1472 | /* Now if the = is after the char following the spaces, | |
c5aa993b | 1473 | take the char following the spaces. */ |
c906108c SS |
1474 | if (p > val) |
1475 | p = val - 1; | |
1476 | } | |
1477 | else if (val != 0 && p == 0) | |
1478 | p = val; | |
1479 | ||
1480 | if (p == arg) | |
e2e0b3e5 | 1481 | error_no_arg (_("environment variable to set")); |
c906108c SS |
1482 | |
1483 | if (p == 0 || p[1] == 0) | |
1484 | { | |
1485 | nullset = 1; | |
1486 | if (p == 0) | |
1487 | p = arg + strlen (arg); /* So that savestring below will work */ | |
1488 | } | |
1489 | else | |
1490 | { | |
1491 | /* Not setting variable value to null */ | |
1492 | val = p + 1; | |
1493 | while (*val == ' ' || *val == '\t') | |
1494 | val++; | |
1495 | } | |
1496 | ||
c5aa993b JM |
1497 | while (p != arg && (p[-1] == ' ' || p[-1] == '\t')) |
1498 | p--; | |
c906108c SS |
1499 | |
1500 | var = savestring (arg, p - arg); | |
1501 | if (nullset) | |
1502 | { | |
a3f17187 AC |
1503 | printf_filtered (_("\ |
1504 | Setting environment variable \"%s\" to null value.\n"), | |
1505 | var); | |
c906108c SS |
1506 | set_in_environ (inferior_environ, var, ""); |
1507 | } | |
1508 | else | |
1509 | set_in_environ (inferior_environ, var, val); | |
b8c9b27d | 1510 | xfree (var); |
c906108c SS |
1511 | } |
1512 | ||
1513 | static void | |
fba45db2 | 1514 | unset_environment_command (char *var, int from_tty) |
c906108c SS |
1515 | { |
1516 | if (var == 0) | |
1517 | { | |
1518 | /* If there is no argument, delete all environment variables. | |
c5aa993b | 1519 | Ask for confirmation if reading from the terminal. */ |
e2e0b3e5 | 1520 | if (!from_tty || query (_("Delete all environment variables? "))) |
c906108c SS |
1521 | { |
1522 | free_environ (inferior_environ); | |
1523 | inferior_environ = make_environ (); | |
1524 | } | |
1525 | } | |
1526 | else | |
1527 | unset_in_environ (inferior_environ, var); | |
1528 | } | |
1529 | ||
1530 | /* Handle the execution path (PATH variable) */ | |
1531 | ||
1532 | static const char path_var_name[] = "PATH"; | |
1533 | ||
c906108c | 1534 | static void |
fba45db2 | 1535 | path_info (char *args, int from_tty) |
c906108c SS |
1536 | { |
1537 | puts_filtered ("Executable and object file path: "); | |
1538 | puts_filtered (get_in_environ (inferior_environ, path_var_name)); | |
1539 | puts_filtered ("\n"); | |
1540 | } | |
1541 | ||
1542 | /* Add zero or more directories to the front of the execution path. */ | |
1543 | ||
1544 | static void | |
fba45db2 | 1545 | path_command (char *dirname, int from_tty) |
c906108c SS |
1546 | { |
1547 | char *exec_path; | |
1548 | char *env; | |
1549 | dont_repeat (); | |
1550 | env = get_in_environ (inferior_environ, path_var_name); | |
1551 | /* Can be null if path is not set */ | |
1552 | if (!env) | |
1553 | env = ""; | |
4fcf66da | 1554 | exec_path = xstrdup (env); |
c906108c SS |
1555 | mod_path (dirname, &exec_path); |
1556 | set_in_environ (inferior_environ, path_var_name, exec_path); | |
b8c9b27d | 1557 | xfree (exec_path); |
c906108c | 1558 | if (from_tty) |
c5aa993b | 1559 | path_info ((char *) NULL, from_tty); |
c906108c | 1560 | } |
c906108c | 1561 | \f |
c5aa993b | 1562 | |
4782dc19 | 1563 | /* Print out the machine register regnum. If regnum is -1, print all |
0ab7a791 AC |
1564 | registers (print_all == 1) or all non-float and non-vector |
1565 | registers (print_all == 0). | |
c906108c SS |
1566 | |
1567 | For most machines, having all_registers_info() print the | |
0ab7a791 AC |
1568 | register(s) one per line is good enough. If a different format is |
1569 | required, (eg, for MIPS or Pyramid 90x, which both have lots of | |
1570 | regs), or there is an existing convention for showing all the | |
1571 | registers, define the architecture method PRINT_REGISTERS_INFO to | |
1572 | provide that format. */ | |
c906108c | 1573 | |
666e11c5 | 1574 | void |
0ab7a791 AC |
1575 | default_print_registers_info (struct gdbarch *gdbarch, |
1576 | struct ui_file *file, | |
1577 | struct frame_info *frame, | |
1578 | int regnum, int print_all) | |
c906108c | 1579 | { |
0ab7a791 | 1580 | int i; |
a4bd449d UW |
1581 | const int numregs = gdbarch_num_regs (gdbarch) |
1582 | + gdbarch_num_pseudo_regs (gdbarch); | |
10c42a71 | 1583 | gdb_byte buffer[MAX_REGISTER_SIZE]; |
0ab7a791 | 1584 | |
c906108c SS |
1585 | for (i = 0; i < numregs; i++) |
1586 | { | |
4782dc19 AC |
1587 | /* Decide between printing all regs, non-float / vector regs, or |
1588 | specific reg. */ | |
c5aa993b JM |
1589 | if (regnum == -1) |
1590 | { | |
f9418c0f | 1591 | if (print_all) |
4782dc19 | 1592 | { |
f9418c0f | 1593 | if (!gdbarch_register_reggroup_p (gdbarch, i, all_reggroup)) |
4782dc19 | 1594 | continue; |
f9418c0f AC |
1595 | } |
1596 | else | |
1597 | { | |
1598 | if (!gdbarch_register_reggroup_p (gdbarch, i, general_reggroup)) | |
4782dc19 AC |
1599 | continue; |
1600 | } | |
c5aa993b JM |
1601 | } |
1602 | else | |
1603 | { | |
1604 | if (i != regnum) | |
1605 | continue; | |
1606 | } | |
c906108c SS |
1607 | |
1608 | /* If the register name is empty, it is undefined for this | |
c5aa993b | 1609 | processor, so don't display anything. */ |
a4bd449d UW |
1610 | if (gdbarch_register_name (gdbarch, i) == NULL |
1611 | || *(gdbarch_register_name (gdbarch, i)) == '\0') | |
c906108c SS |
1612 | continue; |
1613 | ||
a4bd449d | 1614 | fputs_filtered (gdbarch_register_name (gdbarch, i), file); |
c9f4d572 | 1615 | print_spaces_filtered (15 - strlen (gdbarch_register_name |
a4bd449d | 1616 | (gdbarch, i)), file); |
c906108c SS |
1617 | |
1618 | /* Get the data in raw format. */ | |
9730f241 | 1619 | if (! frame_register_read (frame, i, buffer)) |
c906108c | 1620 | { |
0ab7a791 | 1621 | fprintf_filtered (file, "*value not available*\n"); |
c906108c SS |
1622 | continue; |
1623 | } | |
1624 | ||
0ab7a791 AC |
1625 | /* If virtual format is floating, print it that way, and in raw |
1626 | hex. */ | |
a4bd449d | 1627 | if (TYPE_CODE (register_type (gdbarch, i)) == TYPE_CODE_FLT) |
c906108c | 1628 | { |
0ab7a791 | 1629 | int j; |
c906108c | 1630 | |
a4bd449d | 1631 | val_print (register_type (gdbarch, i), buffer, 0, 0, |
0ab7a791 | 1632 | file, 0, 1, 0, Val_pretty_default); |
c906108c | 1633 | |
0ab7a791 | 1634 | fprintf_filtered (file, "\t(raw 0x"); |
a4bd449d | 1635 | for (j = 0; j < register_size (gdbarch, i); j++) |
c906108c | 1636 | { |
0ab7a791 | 1637 | int idx; |
a4bd449d | 1638 | if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) |
0ab7a791 AC |
1639 | idx = j; |
1640 | else | |
a4bd449d | 1641 | idx = register_size (gdbarch, i) - 1 - j; |
9730f241 | 1642 | fprintf_filtered (file, "%02x", (unsigned char) buffer[idx]); |
c906108c | 1643 | } |
0ab7a791 | 1644 | fprintf_filtered (file, ")"); |
c906108c | 1645 | } |
c906108c SS |
1646 | else |
1647 | { | |
ab4327e0 | 1648 | /* Print the register in hex. */ |
a4bd449d | 1649 | val_print (register_type (gdbarch, i), buffer, 0, 0, |
9d84ac84 | 1650 | file, 'x', 1, 0, Val_pretty_default); |
ab4327e0 EZ |
1651 | /* If not a vector register, print it also according to its |
1652 | natural format. */ | |
a4bd449d | 1653 | if (TYPE_VECTOR (register_type (gdbarch, i)) == 0) |
ab4327e0 | 1654 | { |
9d84ac84 | 1655 | fprintf_filtered (file, "\t"); |
a4bd449d | 1656 | val_print (register_type (gdbarch, i), buffer, 0, 0, |
9d84ac84 | 1657 | file, 0, 1, 0, Val_pretty_default); |
ab4327e0 | 1658 | } |
c906108c SS |
1659 | } |
1660 | ||
0ab7a791 | 1661 | fprintf_filtered (file, "\n"); |
c906108c SS |
1662 | } |
1663 | } | |
c906108c | 1664 | |
c906108c | 1665 | void |
fba45db2 | 1666 | registers_info (char *addr_exp, int fpregs) |
c906108c | 1667 | { |
206415a3 | 1668 | struct frame_info *frame; |
a4bd449d | 1669 | struct gdbarch *gdbarch; |
c906108c | 1670 | int regnum, numregs; |
52f0bd74 | 1671 | char *end; |
c906108c SS |
1672 | |
1673 | if (!target_has_registers) | |
8a3fe4f8 | 1674 | error (_("The program has no registers now.")); |
206415a3 | 1675 | frame = get_selected_frame (NULL); |
a4bd449d | 1676 | gdbarch = get_frame_arch (frame); |
c906108c SS |
1677 | |
1678 | if (!addr_exp) | |
1679 | { | |
a4bd449d | 1680 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 1681 | frame, -1, fpregs); |
c906108c SS |
1682 | return; |
1683 | } | |
1684 | ||
f9418c0f | 1685 | while (*addr_exp != '\0') |
c5aa993b | 1686 | { |
f9418c0f AC |
1687 | char *start; |
1688 | const char *end; | |
c906108c | 1689 | |
f9418c0f AC |
1690 | /* Keep skipping leading white space. */ |
1691 | if (isspace ((*addr_exp))) | |
1692 | { | |
1693 | addr_exp++; | |
1694 | continue; | |
1695 | } | |
c906108c | 1696 | |
f9418c0f AC |
1697 | /* Discard any leading ``$''. Check that there is something |
1698 | resembling a register following it. */ | |
1699 | if (addr_exp[0] == '$') | |
1700 | addr_exp++; | |
1701 | if (isspace ((*addr_exp)) || (*addr_exp) == '\0') | |
8a3fe4f8 | 1702 | error (_("Missing register name")); |
c906108c | 1703 | |
f9418c0f AC |
1704 | /* Find the start/end of this register name/num/group. */ |
1705 | start = addr_exp; | |
1706 | while ((*addr_exp) != '\0' && !isspace ((*addr_exp))) | |
1707 | addr_exp++; | |
1708 | end = addr_exp; | |
ad842144 | 1709 | |
f9418c0f AC |
1710 | /* Figure out what we've found and display it. */ |
1711 | ||
1712 | /* A register name? */ | |
1713 | { | |
ad842144 | 1714 | int regnum = frame_map_name_to_regnum (frame, start, end - start); |
f9418c0f AC |
1715 | if (regnum >= 0) |
1716 | { | |
ad842144 MR |
1717 | /* User registers lie completely outside of the range of |
1718 | normal registers. Catch them early so that the target | |
1719 | never sees them. */ | |
1720 | if (regnum >= gdbarch_num_regs (gdbarch) | |
1721 | + gdbarch_num_pseudo_regs (gdbarch)) | |
1722 | { | |
1723 | struct value *val = value_of_user_reg (regnum, frame); | |
1724 | ||
1725 | printf_filtered ("%s: ", start); | |
1726 | print_scalar_formatted (value_contents (val), | |
1727 | check_typedef (value_type (val)), | |
1728 | 'x', 0, gdb_stdout); | |
1729 | printf_filtered ("\n"); | |
1730 | } | |
1731 | else | |
1732 | gdbarch_print_registers_info (gdbarch, gdb_stdout, | |
1733 | frame, regnum, fpregs); | |
f9418c0f AC |
1734 | continue; |
1735 | } | |
1736 | } | |
ad842144 | 1737 | |
f9418c0f AC |
1738 | /* A register number? (how portable is this one?). */ |
1739 | { | |
1740 | char *endptr; | |
1741 | int regnum = strtol (start, &endptr, 0); | |
1742 | if (endptr == end | |
1743 | && regnum >= 0 | |
a4bd449d UW |
1744 | && regnum < gdbarch_num_regs (gdbarch) |
1745 | + gdbarch_num_pseudo_regs (gdbarch)) | |
f9418c0f | 1746 | { |
a4bd449d | 1747 | gdbarch_print_registers_info (gdbarch, gdb_stdout, |
206415a3 | 1748 | frame, regnum, fpregs); |
f9418c0f AC |
1749 | continue; |
1750 | } | |
1751 | } | |
1752 | ||
1753 | /* A register group? */ | |
1754 | { | |
6c7d17ba | 1755 | struct reggroup *group; |
a4bd449d | 1756 | for (group = reggroup_next (gdbarch, NULL); |
6c7d17ba | 1757 | group != NULL; |
a4bd449d | 1758 | group = reggroup_next (gdbarch, group)) |
f9418c0f AC |
1759 | { |
1760 | /* Don't bother with a length check. Should the user | |
1761 | enter a short register group name, go with the first | |
1762 | group that matches. */ | |
6c7d17ba | 1763 | if (strncmp (start, reggroup_name (group), end - start) == 0) |
f9418c0f AC |
1764 | break; |
1765 | } | |
6c7d17ba | 1766 | if (group != NULL) |
f9418c0f AC |
1767 | { |
1768 | int regnum; | |
f57d151a | 1769 | for (regnum = 0; |
a4bd449d UW |
1770 | regnum < gdbarch_num_regs (gdbarch) |
1771 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 1772 | regnum++) |
f9418c0f | 1773 | { |
a4bd449d UW |
1774 | if (gdbarch_register_reggroup_p (gdbarch, regnum, group)) |
1775 | gdbarch_print_registers_info (gdbarch, | |
206415a3 | 1776 | gdb_stdout, frame, |
f9418c0f AC |
1777 | regnum, fpregs); |
1778 | } | |
1779 | continue; | |
1780 | } | |
1781 | } | |
c906108c | 1782 | |
f9418c0f | 1783 | /* Nothing matched. */ |
8a3fe4f8 | 1784 | error (_("Invalid register `%.*s'"), (int) (end - start), start); |
c5aa993b | 1785 | } |
c906108c SS |
1786 | } |
1787 | ||
1788 | void | |
fba45db2 | 1789 | all_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1790 | { |
1791 | registers_info (addr_exp, 1); | |
1792 | } | |
1793 | ||
a58dd373 | 1794 | static void |
fba45db2 | 1795 | nofp_registers_info (char *addr_exp, int from_tty) |
c906108c SS |
1796 | { |
1797 | registers_info (addr_exp, 0); | |
1798 | } | |
e76f1f2e AC |
1799 | |
1800 | static void | |
1801 | print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, | |
1802 | struct frame_info *frame, const char *args) | |
1803 | { | |
1804 | if (gdbarch_print_vector_info_p (gdbarch)) | |
1805 | gdbarch_print_vector_info (gdbarch, file, frame, args); | |
1806 | else | |
1807 | { | |
1808 | int regnum; | |
1809 | int printed_something = 0; | |
ab4327e0 | 1810 | |
f57d151a | 1811 | for (regnum = 0; |
a4bd449d UW |
1812 | regnum < gdbarch_num_regs (gdbarch) |
1813 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 1814 | regnum++) |
e76f1f2e | 1815 | { |
f9418c0f | 1816 | if (gdbarch_register_reggroup_p (gdbarch, regnum, vector_reggroup)) |
e76f1f2e AC |
1817 | { |
1818 | printed_something = 1; | |
e76f1f2e | 1819 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
e76f1f2e AC |
1820 | } |
1821 | } | |
1822 | if (!printed_something) | |
1823 | fprintf_filtered (file, "No vector information\n"); | |
1824 | } | |
1825 | } | |
1826 | ||
1827 | static void | |
1828 | vector_info (char *args, int from_tty) | |
1829 | { | |
206415a3 DJ |
1830 | if (!target_has_registers) |
1831 | error (_("The program has no registers now.")); | |
1832 | ||
1833 | print_vector_info (current_gdbarch, gdb_stdout, | |
1834 | get_selected_frame (NULL), args); | |
e76f1f2e | 1835 | } |
c906108c | 1836 | \f |
c5aa993b | 1837 | |
c906108c SS |
1838 | /* |
1839 | * TODO: | |
1840 | * Should save/restore the tty state since it might be that the | |
1841 | * program to be debugged was started on this tty and it wants | |
1842 | * the tty in some state other than what we want. If it's running | |
1843 | * on another terminal or without a terminal, then saving and | |
1844 | * restoring the tty state is a harmless no-op. | |
1845 | * This only needs to be done if we are attaching to a process. | |
1846 | */ | |
1847 | ||
1848 | /* | |
1849 | attach_command -- | |
1850 | takes a program started up outside of gdb and ``attaches'' to it. | |
1851 | This stops it cold in its tracks and allows us to start debugging it. | |
1852 | and wait for the trace-trap that results from attaching. */ | |
1853 | ||
1854 | void | |
fba45db2 | 1855 | attach_command (char *args, int from_tty) |
c906108c | 1856 | { |
c5aa993b JM |
1857 | char *exec_file; |
1858 | char *full_exec_path = NULL; | |
c906108c | 1859 | |
c5aa993b | 1860 | dont_repeat (); /* Not for the faint of heart */ |
c906108c SS |
1861 | |
1862 | if (target_has_execution) | |
1863 | { | |
1864 | if (query ("A program is being debugged already. Kill it? ")) | |
1865 | target_kill (); | |
1866 | else | |
8a3fe4f8 | 1867 | error (_("Not killed.")); |
c906108c SS |
1868 | } |
1869 | ||
fd79ecee DJ |
1870 | /* Clean up any leftovers from other runs. Some other things from |
1871 | this function should probably be moved into target_pre_inferior. */ | |
1872 | target_pre_inferior (from_tty); | |
1873 | ||
4bcff7eb CV |
1874 | /* Clear out solib state. Otherwise the solib state of the previous |
1875 | inferior might have survived and is entirely wrong for the new | |
155bd5d1 AC |
1876 | target. This has been observed on GNU/Linux using glibc 2.3. How |
1877 | to reproduce: | |
4bcff7eb CV |
1878 | |
1879 | bash$ ./foo& | |
1880 | [1] 4711 | |
1881 | bash$ ./foo& | |
1882 | [1] 4712 | |
1883 | bash$ gdb ./foo | |
1884 | [...] | |
1885 | (gdb) attach 4711 | |
1886 | (gdb) detach | |
1887 | (gdb) attach 4712 | |
1888 | Cannot access memory at address 0xdeadbeef | |
1889 | */ | |
7a72d44c | 1890 | clear_solib (); |
4bcff7eb | 1891 | |
c906108c SS |
1892 | target_attach (args, from_tty); |
1893 | ||
1894 | /* Set up the "saved terminal modes" of the inferior | |
1895 | based on what modes we are starting it with. */ | |
1896 | target_terminal_init (); | |
1897 | ||
c906108c SS |
1898 | /* Set up execution context to know that we should return from |
1899 | wait_for_inferior as soon as the target reports a stop. */ | |
1900 | init_wait_for_inferior (); | |
1901 | clear_proceed_status (); | |
c906108c SS |
1902 | |
1903 | /* No traps are generated when attaching to inferior under Mach 3 | |
1904 | or GNU hurd. */ | |
1905 | #ifndef ATTACH_NO_WAIT | |
c54cfec8 EZ |
1906 | /* Careful here. See comments in inferior.h. Basically some OSes |
1907 | don't ignore SIGSTOPs on continue requests anymore. We need a | |
1908 | way for handle_inferior_event to reset the stop_signal variable | |
1909 | after an attach, and this is what STOP_QUIETLY_NO_SIGSTOP is for. */ | |
c0236d92 | 1910 | stop_soon = STOP_QUIETLY_NO_SIGSTOP; |
c906108c | 1911 | wait_for_inferior (); |
c0236d92 | 1912 | stop_soon = NO_STOP_QUIETLY; |
c906108c SS |
1913 | #endif |
1914 | ||
1915 | /* | |
1916 | * If no exec file is yet known, try to determine it from the | |
1917 | * process itself. | |
1918 | */ | |
1919 | exec_file = (char *) get_exec_file (0); | |
c5aa993b JM |
1920 | if (!exec_file) |
1921 | { | |
39f77062 | 1922 | exec_file = target_pid_to_exec_file (PIDGET (inferior_ptid)); |
c5aa993b JM |
1923 | if (exec_file) |
1924 | { | |
1925 | /* It's possible we don't have a full path, but rather just a | |
1926 | filename. Some targets, such as HP-UX, don't provide the | |
1927 | full path, sigh. | |
1928 | ||
1929 | Attempt to qualify the filename against the source path. | |
1930 | (If that fails, we'll just fall back on the original | |
1931 | filename. Not much more we can do...) | |
1932 | */ | |
1933 | if (!source_full_path_of (exec_file, &full_exec_path)) | |
1934 | full_exec_path = savestring (exec_file, strlen (exec_file)); | |
1935 | ||
1936 | exec_file_attach (full_exec_path, from_tty); | |
1adeb98a | 1937 | symbol_file_add_main (full_exec_path, from_tty); |
c5aa993b | 1938 | } |
c906108c | 1939 | } |
63ed89b4 DJ |
1940 | else |
1941 | { | |
1942 | reopen_exec_file (); | |
1943 | reread_symbols (); | |
1944 | } | |
c906108c | 1945 | |
c906108c | 1946 | /* Take any necessary post-attaching actions for this platform. |
c5aa993b | 1947 | */ |
39f77062 | 1948 | target_post_attach (PIDGET (inferior_ptid)); |
c906108c | 1949 | |
9353355f DJ |
1950 | post_create_inferior (¤t_target, from_tty); |
1951 | ||
79acc9b3 CV |
1952 | /* Install inferior's terminal modes. */ |
1953 | target_terminal_inferior (); | |
1954 | ||
c906108c | 1955 | normal_stop (); |
6426a772 | 1956 | |
9a4105ab AC |
1957 | if (deprecated_attach_hook) |
1958 | deprecated_attach_hook (); | |
c906108c SS |
1959 | } |
1960 | ||
1961 | /* | |
1962 | * detach_command -- | |
1963 | * takes a program previously attached to and detaches it. | |
1964 | * The program resumes execution and will no longer stop | |
1965 | * on signals, etc. We better not have left any breakpoints | |
1966 | * in the program or it'll die when it hits one. For this | |
1967 | * to work, it may be necessary for the process to have been | |
1968 | * previously attached. It *might* work if the program was | |
1969 | * started via the normal ptrace (PTRACE_TRACEME). | |
1970 | */ | |
1971 | ||
1972 | static void | |
fba45db2 | 1973 | detach_command (char *args, int from_tty) |
c906108c | 1974 | { |
1f5d0fc9 | 1975 | dont_repeat (); /* Not for the faint of heart. */ |
c906108c SS |
1976 | target_detach (args, from_tty); |
1977 | #if defined(SOLIB_RESTART) | |
1978 | SOLIB_RESTART (); | |
1979 | #endif | |
9a4105ab AC |
1980 | if (deprecated_detach_hook) |
1981 | deprecated_detach_hook (); | |
c906108c SS |
1982 | } |
1983 | ||
6ad8ae5c DJ |
1984 | /* Disconnect from the current target without resuming it (leaving it |
1985 | waiting for a debugger). | |
1986 | ||
1987 | We'd better not have left any breakpoints in the program or the | |
1988 | next debugger will get confused. Currently only supported for some | |
1989 | remote targets, since the normal attach mechanisms don't work on | |
1990 | stopped processes on some native platforms (e.g. GNU/Linux). */ | |
1991 | ||
1992 | static void | |
1993 | disconnect_command (char *args, int from_tty) | |
1994 | { | |
1995 | dont_repeat (); /* Not for the faint of heart */ | |
1996 | target_disconnect (args, from_tty); | |
1997 | #if defined(SOLIB_RESTART) | |
1998 | SOLIB_RESTART (); | |
1999 | #endif | |
9a4105ab AC |
2000 | if (deprecated_detach_hook) |
2001 | deprecated_detach_hook (); | |
6ad8ae5c DJ |
2002 | } |
2003 | ||
43ff13b4 JM |
2004 | /* Stop the execution of the target while running in async mode, in |
2005 | the backgound. */ | |
8b93c638 | 2006 | void |
fba45db2 | 2007 | interrupt_target_command (char *args, int from_tty) |
43ff13b4 | 2008 | { |
362646f5 | 2009 | if (target_can_async_p ()) |
43ff13b4 | 2010 | { |
c5aa993b | 2011 | dont_repeat (); /* Not for the faint of heart */ |
43ff13b4 JM |
2012 | target_stop (); |
2013 | } | |
2014 | } | |
2015 | ||
c906108c | 2016 | static void |
23e3a7ac AC |
2017 | print_float_info (struct gdbarch *gdbarch, struct ui_file *file, |
2018 | struct frame_info *frame, const char *args) | |
c906108c | 2019 | { |
23e3a7ac AC |
2020 | if (gdbarch_print_float_info_p (gdbarch)) |
2021 | gdbarch_print_float_info (gdbarch, file, frame, args); | |
2022 | else | |
2023 | { | |
23e3a7ac AC |
2024 | int regnum; |
2025 | int printed_something = 0; | |
ab4327e0 | 2026 | |
f57d151a | 2027 | for (regnum = 0; |
a4bd449d UW |
2028 | regnum < gdbarch_num_regs (gdbarch) |
2029 | + gdbarch_num_pseudo_regs (gdbarch); | |
f57d151a | 2030 | regnum++) |
23e3a7ac | 2031 | { |
f9418c0f | 2032 | if (gdbarch_register_reggroup_p (gdbarch, regnum, float_reggroup)) |
23e3a7ac AC |
2033 | { |
2034 | printed_something = 1; | |
23e3a7ac | 2035 | gdbarch_print_registers_info (gdbarch, file, frame, regnum, 1); |
23e3a7ac AC |
2036 | } |
2037 | } | |
2038 | if (!printed_something) | |
2039 | fprintf_filtered (file, "\ | |
2040 | No floating-point info available for this processor.\n"); | |
23e3a7ac AC |
2041 | } |
2042 | } | |
2043 | ||
2044 | static void | |
2045 | float_info (char *args, int from_tty) | |
2046 | { | |
206415a3 DJ |
2047 | if (!target_has_registers) |
2048 | error (_("The program has no registers now.")); | |
2049 | ||
1f5d0fc9 | 2050 | print_float_info (current_gdbarch, gdb_stdout, |
206415a3 | 2051 | get_selected_frame (NULL), args); |
c906108c SS |
2052 | } |
2053 | \f | |
c906108c | 2054 | static void |
fba45db2 | 2055 | unset_command (char *args, int from_tty) |
c906108c | 2056 | { |
a3f17187 AC |
2057 | printf_filtered (_("\ |
2058 | \"unset\" must be followed by the name of an unset subcommand.\n")); | |
c906108c SS |
2059 | help_list (unsetlist, "unset ", -1, gdb_stdout); |
2060 | } | |
2061 | ||
2062 | void | |
fba45db2 | 2063 | _initialize_infcmd (void) |
c906108c | 2064 | { |
3cb3b8df BR |
2065 | struct cmd_list_element *c = NULL; |
2066 | ||
2067 | /* add the filename of the terminal connected to inferior I/O */ | |
2068 | add_setshow_filename_cmd ("inferior-tty", class_run, | |
2069 | &inferior_io_terminal, _("\ | |
2070 | Set terminal for future runs of program being debugged."), _("\ | |
2071 | Show terminal for future runs of program being debugged."), _("\ | |
2072 | Usage: set inferior-tty /dev/pts/1"), NULL, NULL, &setlist, &showlist); | |
2073 | add_com_alias ("tty", "set inferior-tty", class_alias, 0); | |
c906108c | 2074 | |
b4b4ac0b AC |
2075 | add_setshow_optional_filename_cmd ("args", class_run, |
2076 | &inferior_args, _("\ | |
2077 | Set argument list to give program being debugged when it is started."), _("\ | |
2078 | Show argument list to give program being debugged when it is started."), _("\ | |
2079 | Follow this command with any number of args, to be passed to the program."), | |
2080 | notice_args_set, | |
2081 | notice_args_read, | |
2082 | &setlist, &showlist); | |
c906108c | 2083 | |
1a966eab AC |
2084 | c = add_cmd ("environment", no_class, environment_info, _("\ |
2085 | The environment to give the program, or one variable's value.\n\ | |
c906108c SS |
2086 | With an argument VAR, prints the value of environment variable VAR to\n\ |
2087 | give the program being debugged. With no arguments, prints the entire\n\ | |
1a966eab | 2088 | environment to be given to the program."), &showlist); |
5ba2abeb | 2089 | set_cmd_completer (c, noop_completer); |
c906108c SS |
2090 | |
2091 | add_prefix_cmd ("unset", no_class, unset_command, | |
1bedd215 | 2092 | _("Complement to certain \"set\" commands."), |
c906108c | 2093 | &unsetlist, "unset ", 0, &cmdlist); |
c5aa993b | 2094 | |
1a966eab AC |
2095 | c = add_cmd ("environment", class_run, unset_environment_command, _("\ |
2096 | Cancel environment variable VAR for the program.\n\ | |
2097 | This does not affect the program until the next \"run\" command."), | |
c5aa993b | 2098 | &unsetlist); |
5ba2abeb | 2099 | set_cmd_completer (c, noop_completer); |
c906108c | 2100 | |
1a966eab AC |
2101 | c = add_cmd ("environment", class_run, set_environment_command, _("\ |
2102 | Set environment variable value to give the program.\n\ | |
c906108c SS |
2103 | Arguments are VAR VALUE where VAR is variable name and VALUE is value.\n\ |
2104 | VALUES of environment variables are uninterpreted strings.\n\ | |
1a966eab | 2105 | This does not affect the program until the next \"run\" command."), |
c5aa993b | 2106 | &setlist); |
5ba2abeb | 2107 | set_cmd_completer (c, noop_completer); |
c5aa993b | 2108 | |
1bedd215 AC |
2109 | c = add_com ("path", class_files, path_command, _("\ |
2110 | Add directory DIR(s) to beginning of search path for object files.\n\ | |
c906108c SS |
2111 | $cwd in the path means the current working directory.\n\ |
2112 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2113 | directories, separated by colons. These directories are searched to find\n\ | |
1bedd215 | 2114 | fully linked executable files and separately compiled object files as needed.")); |
5ba2abeb | 2115 | set_cmd_completer (c, filename_completer); |
c906108c | 2116 | |
1a966eab AC |
2117 | c = add_cmd ("paths", no_class, path_info, _("\ |
2118 | Current search path for finding object files.\n\ | |
c906108c SS |
2119 | $cwd in the path means the current working directory.\n\ |
2120 | This path is equivalent to the $PATH shell variable. It is a list of\n\ | |
2121 | directories, separated by colons. These directories are searched to find\n\ | |
1a966eab | 2122 | fully linked executable files and separately compiled object files as needed."), |
c906108c | 2123 | &showlist); |
5ba2abeb | 2124 | set_cmd_completer (c, noop_completer); |
c906108c | 2125 | |
1bedd215 AC |
2126 | add_com ("attach", class_run, attach_command, _("\ |
2127 | Attach to a process or file outside of GDB.\n\ | |
c906108c SS |
2128 | This command attaches to another target, of the same type as your last\n\ |
2129 | \"target\" command (\"info files\" will show your target stack).\n\ | |
2130 | The command may take as argument a process id or a device file.\n\ | |
2131 | For a process id, you must have permission to send the process a signal,\n\ | |
2132 | and it must have the same effective uid as the debugger.\n\ | |
2133 | When using \"attach\" with a process id, the debugger finds the\n\ | |
2134 | program running in the process, looking first in the current working\n\ | |
2135 | directory, or (if not found there) using the source file search path\n\ | |
2136 | (see the \"directory\" command). You can also use the \"file\" command\n\ | |
1bedd215 | 2137 | to specify the program, and to load its symbol table.")); |
c906108c | 2138 | |
f73adfeb | 2139 | add_prefix_cmd ("detach", class_run, detach_command, _("\ |
1bedd215 | 2140 | Detach a process or file previously attached.\n\ |
c906108c | 2141 | If a process, it is no longer traced, and it continues its execution. If\n\ |
f73adfeb AS |
2142 | you were debugging a file, the file is closed and gdb no longer accesses it."), |
2143 | &detachlist, "detach ", 0, &cmdlist); | |
c906108c | 2144 | |
1bedd215 AC |
2145 | add_com ("disconnect", class_run, disconnect_command, _("\ |
2146 | Disconnect from a target.\n\ | |
6ad8ae5c | 2147 | The target will wait for another debugger to connect. Not available for\n\ |
1bedd215 | 2148 | all targets.")); |
6ad8ae5c | 2149 | |
1bedd215 AC |
2150 | add_com ("signal", class_run, signal_command, _("\ |
2151 | Continue program giving it signal specified by the argument.\n\ | |
2152 | An argument of \"0\" means continue program without giving it a signal.")); | |
c906108c | 2153 | |
1bedd215 AC |
2154 | add_com ("stepi", class_run, stepi_command, _("\ |
2155 | Step one instruction exactly.\n\ | |
2156 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2157 | add_com_alias ("si", "stepi", class_alias, 0); |
2158 | ||
1bedd215 AC |
2159 | add_com ("nexti", class_run, nexti_command, _("\ |
2160 | Step one instruction, but proceed through subroutine calls.\n\ | |
2161 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2162 | add_com_alias ("ni", "nexti", class_alias, 0); |
2163 | ||
1bedd215 AC |
2164 | add_com ("finish", class_run, finish_command, _("\ |
2165 | Execute until selected stack frame returns.\n\ | |
2166 | Upon return, the value returned is printed and put in the value history.")); | |
c906108c | 2167 | |
1bedd215 AC |
2168 | add_com ("next", class_run, next_command, _("\ |
2169 | Step program, proceeding through subroutine calls.\n\ | |
c906108c SS |
2170 | Like the \"step\" command as long as subroutine calls do not happen;\n\ |
2171 | when they do, the call is treated as one instruction.\n\ | |
1bedd215 | 2172 | Argument N means do this N times (or till program stops for another reason).")); |
c906108c SS |
2173 | add_com_alias ("n", "next", class_run, 1); |
2174 | if (xdb_commands) | |
c5aa993b | 2175 | add_com_alias ("S", "next", class_run, 1); |
c906108c | 2176 | |
1bedd215 AC |
2177 | add_com ("step", class_run, step_command, _("\ |
2178 | Step program until it reaches a different source line.\n\ | |
2179 | Argument N means do this N times (or till program stops for another reason).")); | |
c906108c SS |
2180 | add_com_alias ("s", "step", class_run, 1); |
2181 | ||
1bedd215 AC |
2182 | c = add_com ("until", class_run, until_command, _("\ |
2183 | Execute until the program reaches a source line greater than the current\n\ | |
2184 | or a specified location (same args as break command) within the current frame.")); | |
5ba2abeb | 2185 | set_cmd_completer (c, location_completer); |
c906108c | 2186 | add_com_alias ("u", "until", class_run, 1); |
c5aa993b | 2187 | |
1bedd215 AC |
2188 | c = add_com ("advance", class_run, advance_command, _("\ |
2189 | Continue the program up to the given location (same form as args for break command).\n\ | |
2190 | Execution will also stop upon exit from the current stack frame.")); | |
ae66c1fc EZ |
2191 | set_cmd_completer (c, location_completer); |
2192 | ||
1bedd215 AC |
2193 | c = add_com ("jump", class_run, jump_command, _("\ |
2194 | Continue program being debugged at specified line or address.\n\ | |
c906108c | 2195 | Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\ |
1bedd215 | 2196 | for an address to start at.")); |
5ba2abeb | 2197 | set_cmd_completer (c, location_completer); |
c906108c | 2198 | |
b83266a0 | 2199 | if (xdb_commands) |
c94fdfd0 | 2200 | { |
1bedd215 AC |
2201 | c = add_com ("go", class_run, go_command, _("\ |
2202 | Usage: go <location>\n\ | |
c906108c SS |
2203 | Continue program being debugged, stopping at specified line or \n\ |
2204 | address.\n\ | |
2205 | Give as argument either LINENUM or *ADDR, where ADDR is an \n\ | |
2206 | expression for an address to start at.\n\ | |
1bedd215 | 2207 | This command is a combination of tbreak and jump.")); |
5ba2abeb | 2208 | set_cmd_completer (c, location_completer); |
c94fdfd0 | 2209 | } |
b83266a0 | 2210 | |
c906108c | 2211 | if (xdb_commands) |
c5aa993b | 2212 | add_com_alias ("g", "go", class_run, 1); |
c906108c | 2213 | |
1bedd215 AC |
2214 | add_com ("continue", class_run, continue_command, _("\ |
2215 | Continue program being debugged, after signal or breakpoint.\n\ | |
c906108c SS |
2216 | If proceeding from breakpoint, a number N may be used as an argument,\n\ |
2217 | which means to set the ignore count of that breakpoint to N - 1 (so that\n\ | |
1bedd215 | 2218 | the breakpoint won't break until the Nth time it is reached).")); |
c906108c SS |
2219 | add_com_alias ("c", "cont", class_run, 1); |
2220 | add_com_alias ("fg", "cont", class_run, 1); | |
2221 | ||
1bedd215 AC |
2222 | c = add_com ("run", class_run, run_command, _("\ |
2223 | Start debugged program. You may specify arguments to give it.\n\ | |
c906108c SS |
2224 | Args may include \"*\", or \"[...]\"; they are expanded using \"sh\".\n\ |
2225 | Input and output redirection with \">\", \"<\", or \">>\" are also allowed.\n\n\ | |
2226 | With no arguments, uses arguments last specified (with \"run\" or \"set args\").\n\ | |
2227 | To cancel previous arguments and run with no arguments,\n\ | |
1bedd215 | 2228 | use \"set args\" without arguments.")); |
5ba2abeb | 2229 | set_cmd_completer (c, filename_completer); |
c906108c SS |
2230 | add_com_alias ("r", "run", class_run, 1); |
2231 | if (xdb_commands) | |
2232 | add_com ("R", class_run, run_no_args_command, | |
1bedd215 | 2233 | _("Start debugged program with no arguments.")); |
c906108c | 2234 | |
1bedd215 | 2235 | c = add_com ("start", class_run, start_command, _("\ |
a4d5f2e0 JB |
2236 | Run the debugged program until the beginning of the main procedure.\n\ |
2237 | You may specify arguments to give to your program, just as with the\n\ | |
1bedd215 | 2238 | \"run\" command.")); |
a4d5f2e0 JB |
2239 | set_cmd_completer (c, filename_completer); |
2240 | ||
43ff13b4 | 2241 | add_com ("interrupt", class_run, interrupt_target_command, |
1bedd215 | 2242 | _("Interrupt the execution of the debugged program.")); |
43ff13b4 | 2243 | |
1bedd215 AC |
2244 | add_info ("registers", nofp_registers_info, _("\ |
2245 | List of integer registers and their contents, for selected stack frame.\n\ | |
2246 | Register name as argument means describe only that register.")); | |
7194c49b | 2247 | add_info_alias ("r", "registers", 1); |
c906108c SS |
2248 | |
2249 | if (xdb_commands) | |
1bedd215 AC |
2250 | add_com ("lr", class_info, nofp_registers_info, _("\ |
2251 | List of integer registers and their contents, for selected stack frame.\n\ | |
2252 | Register name as argument means describe only that register.")); | |
2253 | add_info ("all-registers", all_registers_info, _("\ | |
2254 | List of all registers and their contents, for selected stack frame.\n\ | |
2255 | Register name as argument means describe only that register.")); | |
c906108c SS |
2256 | |
2257 | add_info ("program", program_info, | |
1bedd215 | 2258 | _("Execution status of the program.")); |
c906108c SS |
2259 | |
2260 | add_info ("float", float_info, | |
1bedd215 | 2261 | _("Print the status of the floating point unit\n")); |
c906108c | 2262 | |
e76f1f2e | 2263 | add_info ("vector", vector_info, |
1bedd215 | 2264 | _("Print the status of the vector unit\n")); |
e76f1f2e | 2265 | |
c906108c SS |
2266 | inferior_environ = make_environ (); |
2267 | init_environ (inferior_environ); | |
2268 | } |